diff --git a/packages/meta/src/node-es-module-loader/loader.mts b/packages/meta/src/node-es-module-loader/loader.mts index f9dfe864f12..51b9f59c924 100644 --- a/packages/meta/src/node-es-module-loader/loader.mts +++ b/packages/meta/src/node-es-module-loader/loader.mts @@ -149,6 +149,14 @@ export async function load( }; } + if (urlObj.searchParams.has('url')) { + return { + format: 'module', + shortCircuit: true, + source: `export default ${JSON.stringify(urlObj.pathname)};`, + }; + } + if (urlObj.pathname.endsWith('.json')) { const source = readFileSync(urlObj.pathname, 'utf8'); return { diff --git a/packages/php-wasm/compile/php-post-message-to-js/config.m4 b/packages/php-wasm/compile/php-post-message-to-js/config.m4 new file mode 100644 index 00000000000..9e73b39eaef --- /dev/null +++ b/packages/php-wasm/compile/php-post-message-to-js/config.m4 @@ -0,0 +1,8 @@ +dnl config.m4 for extension post_message_to_js + +PHP_ARG_ENABLE(post_message_to_js, whether to enable post_message_to_js support, +[ --enable-post_message_to_js Enable post_message_to_js support]) + +if test "$PHP_POST_MESSAGE_TO_JS" != "no"; then + PHP_NEW_EXTENSION(post_message_to_js, post_message_to_js.c, $ext_shared) +fi \ No newline at end of file diff --git a/packages/php-wasm/compile/php-post-message-to-js/config.w32 b/packages/php-wasm/compile/php-post-message-to-js/config.w32 new file mode 100644 index 00000000000..66186fd930f --- /dev/null +++ b/packages/php-wasm/compile/php-post-message-to-js/config.w32 @@ -0,0 +1,5 @@ +ARG_ENABLE("post_message_to_js", "Enable post_message_to_js support", "no"); + +if (PHP_POST_MESSAGE_TO_JS == "yes") { + EXTENSION("post_message_to_js", "post_message_to_js.c"); +} \ No newline at end of file diff --git a/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.c b/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.c new file mode 100644 index 00000000000..539d60cc27b --- /dev/null +++ b/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.c @@ -0,0 +1,69 @@ +#include "php.h" +#include "post_message_to_js.h" +#include "ext/standard/info.h" +#include + +/** + * Provided by php_wasm.c: + */ +extern size_t js_module_onMessage(const char *data, char **response_buffer); + +/* {{{ PHP_FUNCTION */ +PHP_FUNCTION(post_message_to_js) +{ + char *data; + int data_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &data, &data_len) == FAILURE) { + return; + } + + char *response; + size_t response_len = js_module_onMessage(data, &response); + if (response_len != -1) { + zend_string *return_string = zend_string_init(response, response_len, 0); + free(response); + RETURN_NEW_STR(return_string); + } else { + RETURN_NULL(); + } +} +/* }}} */ + +/* {{{ PHP_MINFO_FUNCTION */ +PHP_MINFO_FUNCTION(post_message_to_js) +{ + php_info_print_table_start(); + php_info_print_table_row(2, "post_message_to_js support", "enabled"); + php_info_print_table_end(); +} +/* }}} */ + +/* {{{ post_message_to_js_functions[] */ +const zend_function_entry post_message_to_js_functions[] = { + PHP_FE(post_message_to_js, arginfo_post_message_to_js) + PHP_FE_END +}; +/* }}} */ + +/* {{{ post_message_to_js_module_entry */ +zend_module_entry post_message_to_js_module_entry = { + STANDARD_MODULE_HEADER, + "post_message_to_js", /* Extension name */ + post_message_to_js_functions, /* zend_function_entry */ + NULL, /* PHP_MINIT - Module initialization */ + NULL, /* PHP_MSHUTDOWN - Module shutdown */ + NULL, /* PHP_RINIT - Request initialization */ + NULL, /* PHP_RSHUTDOWN - Request shutdown */ + PHP_MINFO(post_message_to_js), /* PHP_MINFO - Module info */ + PHP_POST_MESSAGE_TO_JS_VERSION, /* Version */ + STANDARD_MODULE_PROPERTIES +}; +/* }}} */ + +#ifdef COMPILE_DL_POST_MESSAGE_TO_JS +#ifdef ZTS +ZEND_TSRMLS_CACHE_DEFINE() +#endif +ZEND_GET_MODULE(post_message_to_js) +#endif \ No newline at end of file diff --git a/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.h b/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.h new file mode 100644 index 00000000000..67fddb9f39e --- /dev/null +++ b/packages/php-wasm/compile/php-post-message-to-js/post_message_to_js.h @@ -0,0 +1,15 @@ +#ifndef PHP_POST_MESSAGE_TO_JS_H +#define PHP_POST_MESSAGE_TO_JS_H + +extern zend_module_entry post_message_to_js_module_entry; +#define phpext_post_message_to_js_ptr &post_message_to_js_module_entry + +ZEND_BEGIN_ARG_INFO_EX(arginfo_post_message_to_js, 0, 1, 1) +ZEND_ARG_INFO(0, data) +ZEND_END_ARG_INFO() + +PHP_FUNCTION(post_message_to_js); + +#define PHP_POST_MESSAGE_TO_JS_VERSION "1.0.0" + +#endif // PHP_POST_MESSAGE_TO_JS_H \ No newline at end of file diff --git a/packages/php-wasm/compile/php/Dockerfile b/packages/php-wasm/compile/php/Dockerfile index 4583683e62e..043d1983c54 100644 --- a/packages/php-wasm/compile/php/Dockerfile +++ b/packages/php-wasm/compile/php/Dockerfile @@ -22,6 +22,9 @@ COPY ./php-wasm-memory-storage /root/php-src/ext/wasm_memory_storage # Polyfill for dns functions COPY ./php-wasm-dns-polyfill/ /root/php-src/ext/dns_polyfill +# Polyfill for post_message_to_js functions +COPY ./php-post-message-to-js/ /root/php-src/ext/post_message_to_js + # Work around to add ICU FLAGS to intl below 7.3 to inject -fPIC. RUN if [[ "${PHP_VERSION:0:1}" -eq "7" && "${PHP_VERSION:2:1}" -eq "2" ]]; then \ sed -i "s/\$ICU_INCS/\$ICU_INCS \$ICU_CFLAGS/" /root/php-src/ext/intl/config.m4; \ @@ -369,6 +372,7 @@ CURL_LIBS="-I/root/lib/lib -L/root/lib/lib" \ --enable-tokenizer \ --enable-wasm_memory_storage \ --enable-dns_polyfill \ + --enable-post_message_to_js \ $(cat /root/.php-configure-flags) # Silence the errors "munmap() failed: [28] Invalid argument" diff --git a/packages/php-wasm/compile/php/php_wasm.c b/packages/php-wasm/compile/php/php_wasm.c index 6081b013d36..220222d0a86 100644 --- a/packages/php-wasm/compile/php/php_wasm.c +++ b/packages/php-wasm/compile/php/php_wasm.c @@ -726,33 +726,6 @@ ZEND_BEGIN_ARG_INFO(arginfo_dl, 0) ZEND_ARG_INFO(0, extension_filename) ZEND_END_ARG_INFO() - - -/* Enable PHP to exchange messages with JavaScript */ -PHP_FUNCTION(post_message_to_js) -{ - char *data; - int data_len; - - if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &data, &data_len) == FAILURE) - { - return; - } - - char *response; - size_t response_len = js_module_onMessage(data, &response); - if (response_len != -1) - { - zend_string *return_string = zend_string_init(response, response_len, 0); - free(response); - RETURN_NEW_STR(return_string); - } - else - { - RETURN_NULL(); - } -} - /** * select(2). */ diff --git a/packages/php-wasm/node/asyncify/php_7_2.js b/packages/php-wasm/node/asyncify/php_7_2.js index 85d9bba1d46..fc3610def79 100644 --- a/packages/php-wasm/node/asyncify/php_7_2.js +++ b/packages/php-wasm/node/asyncify/php_7_2.js @@ -7058,7 +7058,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7361,14 +7383,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_7_3.js b/packages/php-wasm/node/asyncify/php_7_3.js index 85d8feebbd6..a4ae1700ab7 100644 --- a/packages/php-wasm/node/asyncify/php_7_3.js +++ b/packages/php-wasm/node/asyncify/php_7_3.js @@ -7058,7 +7058,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7361,14 +7383,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_7_4.js b/packages/php-wasm/node/asyncify/php_7_4.js index 30f42333bad..8d230694d99 100644 --- a/packages/php-wasm/node/asyncify/php_7_4.js +++ b/packages/php-wasm/node/asyncify/php_7_4.js @@ -7058,7 +7058,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7361,14 +7383,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_8_0.js b/packages/php-wasm/node/asyncify/php_8_0.js index 5f09dd08f1a..1f6e5c4a691 100644 --- a/packages/php-wasm/node/asyncify/php_8_0.js +++ b/packages/php-wasm/node/asyncify/php_8_0.js @@ -22,7 +22,7 @@ if (typeof __dirname === 'undefined') { const dependencyFilename = path.join(__dirname, '8_0_30', 'php_8_0.wasm'); export { dependencyFilename }; -export const dependenciesTotalSize = 17379367; +export const dependenciesTotalSize = 17379366; export function init(RuntimeName, PHPLoader) { // The rest of the code comes from the built php.js file and esm-suffix.js // include: shell.js @@ -7058,7 +7058,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7363,12 +7385,52 @@ export function init(RuntimeName, PHPLoader) { * listen to the 'exit' event. */ try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5e3); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_8_1.js b/packages/php-wasm/node/asyncify/php_8_1.js index 31da9487940..b5a18b9d46c 100644 --- a/packages/php-wasm/node/asyncify/php_8_1.js +++ b/packages/php-wasm/node/asyncify/php_8_1.js @@ -7086,7 +7086,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7389,14 +7411,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_8_2.js b/packages/php-wasm/node/asyncify/php_8_2.js index 73e0d3b114c..9cee894628e 100644 --- a/packages/php-wasm/node/asyncify/php_8_2.js +++ b/packages/php-wasm/node/asyncify/php_8_2.js @@ -7088,7 +7088,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7391,14 +7413,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/asyncify/php_8_3.js b/packages/php-wasm/node/asyncify/php_8_3.js index e8fbaf99638..4c3128bda66 100644 --- a/packages/php-wasm/node/asyncify/php_8_3.js +++ b/packages/php-wasm/node/asyncify/php_8_3.js @@ -20,7788 +20,7196 @@ if (typeof __dirname === 'undefined') { var __dirname = path.dirname(__filename); } -const dependencyFilename = path.join(__dirname, '8_3_0', 'php_8_3.wasm'); -export { dependencyFilename }; -export const dependenciesTotalSize = 18098720; +import { logger } from '@php-wasm/logger'; + import * as nodeUtil from 'util'; + const dependencyFilename = __dirname + '/8_3_0/php_8_3.wasm'; + export { dependencyFilename }; +export const dependenciesTotalSize = 18436727; +import { logger } from '@php-wasm/logger'; +import * as nodeUtil from 'util'; +const dependencyFilename = __dirname + '/8_3_0/php_8_3.wasm'; +export { dependencyFilename }; +export const dependenciesTotalSize = 18436760; export function init(RuntimeName, PHPLoader) { - // The rest of the code comes from the built php.js file and esm-suffix.js - // include: shell.js - // The Module object: Our interface to the outside world. We import - // and export values on it. There are various ways Module can be used: - // 1. Not defined. We create it here - // 2. A function parameter, function(moduleArg) => Promise - // 3. pre-run appended it, var Module = {}; ..generated code.. - // 4. External script tag defines var Module. - // We need to check if Module already exists (e.g. case 3 above). - // Substitution will be replaced with actual code on later stage of the build, - // this way Closure Compiler will not mangle it (e.g. case 4. above). - // Note that if you want to run closure, and also to use Module - // after the generated code, you will need to define var Module = {}; - // before the code. Then that object will be used in the code, and you - // can continue to use Module afterwards as well. - var Module = typeof PHPLoader != 'undefined' ? PHPLoader : {}; - - var ENVIRONMENT_IS_WORKER = RuntimeName === 'WORKER'; - - var ENVIRONMENT_IS_NODE = RuntimeName === 'NODE'; - - if (ENVIRONMENT_IS_NODE) { - } + // The rest of the code comes from the built php.js file and esm-suffix.js +// include: shell.js +// The Module object: Our interface to the outside world. We import +// and export values on it. There are various ways Module can be used: +// 1. Not defined. We create it here +// 2. A function parameter, function(moduleArg) => Promise +// 3. pre-run appended it, var Module = {}; ..generated code.. +// 4. External script tag defines var Module. +// We need to check if Module already exists (e.g. case 3 above). +// Substitution will be replaced with actual code on later stage of the build, +// this way Closure Compiler will not mangle it (e.g. case 4. above). +// Note that if you want to run closure, and also to use Module +// after the generated code, you will need to define var Module = {}; +// before the code. Then that object will be used in the code, and you +// can continue to use Module afterwards as well. +var Module = typeof PHPLoader != "undefined" ? PHPLoader : {}; + +var ENVIRONMENT_IS_WORKER=RuntimeName==="WORKER"; + +var ENVIRONMENT_IS_NODE=RuntimeName==="NODE"; + +if (ENVIRONMENT_IS_NODE) {} + +// --pre-jses are emitted after the Module integration code, so that they can +// refer to Module (if they choose; they can also define Module) +// Sometimes an existing Module object exists with properties +// meant to overwrite the default module functionality. Here +// we collect those properties and reapply _after_ we configure +// the current environment's defaults to avoid having to be so +// defensive during initialization. +var moduleOverrides = { + ...Module +}; + +var arguments_ = []; + +var thisProgram = "./this.program"; + +var quit_ = (status, toThrow) => { + throw toThrow; +}; + +// `/` should be present at the end if `scriptDirectory` is not empty +var scriptDirectory = ""; + +function locateFile(path) { + if (Module["locateFile"]) { + return Module["locateFile"](path, scriptDirectory); + } + return scriptDirectory + path; +} - // --pre-jses are emitted after the Module integration code, so that they can - // refer to Module (if they choose; they can also define Module) - // Sometimes an existing Module object exists with properties - // meant to overwrite the default module functionality. Here - // we collect those properties and reapply _after_ we configure - // the current environment's defaults to avoid having to be so - // defensive during initialization. - var moduleOverrides = { - ...Module, - }; - - var arguments_ = []; - - var thisProgram = './this.program'; - - var quit_ = (status, toThrow) => { - throw toThrow; - }; - - // `/` should be present at the end if `scriptDirectory` is not empty - var scriptDirectory = ''; - - function locateFile(path) { - if (Module['locateFile']) { - return Module['locateFile'](path, scriptDirectory); - } - return scriptDirectory + path; - } +// Hooks that are implemented differently in different runtime environments. +var readAsync, readBinary; + +if (ENVIRONMENT_IS_NODE) { + // These modules will usually be used on Node.js. Load them eagerly to avoid + // the complexity of lazy-loading. + var fs = require("fs"); + var nodePath = require("path"); + scriptDirectory = __dirname + "/"; + // include: node_shell_read.js + readBinary = filename => { + // We need to re-wrap `file://` strings to URLs. + filename = isFileURI(filename) ? new URL(filename) : filename; + var ret = fs.readFileSync(filename); + return ret; + }; + readAsync = async (filename, binary = true) => { + // See the comment in the `readBinary` function. + filename = isFileURI(filename) ? new URL(filename) : filename; + var ret = fs.readFileSync(filename, binary ? undefined : "utf8"); + return ret; + }; + // end include: node_shell_read.js + if (!Module["thisProgram"] && process.argv.length > 1) { + thisProgram = process.argv[1].replace(/\\/g, "/"); + } + arguments_ = process.argv.slice(2); + if (typeof module != "undefined") { + module["exports"] = Module; + } + quit_ = (status, toThrow) => { + process.exitCode = status; + throw toThrow; + }; +} else // Note that this includes Node.js workers when relevant (pthreads is enabled). +// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and +// ENVIRONMENT_IS_NODE. +{} + +var out = Module["print"] || console.log.bind(console); + +var err = Module["printErr"] || console.error.bind(console); + +// Merge back in the overrides +Object.assign(Module, moduleOverrides); + +// Free the object hierarchy contained in the overrides, this lets the GC +// reclaim data used. +moduleOverrides = null; + +// Emit code to handle expected values on the Module object. This applies Module.x +// to the proper local x. This has two benefits: first, we only emit it if it is +// expected to arrive, and second, by using a local everywhere else that can be +// minified. +if (Module["arguments"]) arguments_ = Module["arguments"]; + +if (Module["thisProgram"]) thisProgram = Module["thisProgram"]; +if (Module["quit"]) quit_=Module["quit"]; + +// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message +// end include: shell.js +// include: preamble.js +// === Preamble library stuff === +// Documentation for the public APIs defined in this file must be updated in: +// site/source/docs/api_reference/preamble.js.rst +// A prebuilt local version of the documentation is available at: +// site/build/text/docs/api_reference/preamble.js.txt +// You can also build docs locally as HTML or other formats in site/ +// An online HTML version (which may be of a different version of Emscripten) +// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html +var wasmBinary = Module["wasmBinary"]; + +// Wasm globals +var wasmMemory; + +//======================================== +// Runtime essentials +//======================================== +// whether we are quitting the application. no code should run after this. +// set in exit() and abort() +var ABORT = false; + +// set by exit() and abort(). Passed to 'onExit' handler. +// NOTE: This is also used as the process return code code in shell environments +// but only when noExitRuntime is false. +var EXITSTATUS; + +// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we +// don't define it at all in release modes. This matches the behaviour of +// MINIMAL_RUNTIME. +// TODO(sbc): Make this the default even without STRICT enabled. +/** @type {function(*, string=)} */ function assert(condition, text) { + if (!condition) { + // This build was created without ASSERTIONS defined. `assert()` should not + // ever be called in this configuration but in case there are callers in + // the wild leave this simple abort() implementation here for now. + abort(text); + } +} - // Hooks that are implemented differently in different runtime environments. - var readAsync, readBinary; - - if (ENVIRONMENT_IS_NODE) { - // These modules will usually be used on Node.js. Load them eagerly to avoid - // the complexity of lazy-loading. - var fs = require('fs'); - var nodePath = require('path'); - scriptDirectory = __dirname + '/'; - // include: node_shell_read.js - readBinary = (filename) => { - // We need to re-wrap `file://` strings to URLs. - filename = isFileURI(filename) ? new URL(filename) : filename; - var ret = fs.readFileSync(filename); - return ret; - }; - readAsync = async (filename, binary = true) => { - // See the comment in the `readBinary` function. - filename = isFileURI(filename) ? new URL(filename) : filename; - var ret = fs.readFileSync(filename, binary ? undefined : 'utf8'); - return ret; - }; - // end include: node_shell_read.js - if (!Module['thisProgram'] && process.argv.length > 1) { - thisProgram = process.argv[1].replace(/\\/g, '/'); - } - arguments_ = process.argv.slice(2); - if (typeof module != 'undefined') { - module['exports'] = Module; - } - quit_ = (status, toThrow) => { - process.exitCode = status; - throw toThrow; - }; - } // Note that this includes Node.js workers when relevant (pthreads is enabled). - // Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and - // ENVIRONMENT_IS_NODE. - else { - } +// Memory management +var /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /* BigInt64Array type is not correctly defined in closure +/** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure +/** not-t@type {!BigUint64Array} */ HEAPU64, /** @type {!Float64Array} */ HEAPF64; - var out = Module['print'] || console.log.bind(console); - - var err = Module['printErr'] || console.error.bind(console); - - // Merge back in the overrides - Object.assign(Module, moduleOverrides); - - // Free the object hierarchy contained in the overrides, this lets the GC - // reclaim data used. - moduleOverrides = null; - - // Emit code to handle expected values on the Module object. This applies Module.x - // to the proper local x. This has two benefits: first, we only emit it if it is - // expected to arrive, and second, by using a local everywhere else that can be - // minified. - if (Module['arguments']) arguments_ = Module['arguments']; - - if (Module['thisProgram']) thisProgram = Module['thisProgram']; - if (Module['quit']) quit_ = Module['quit']; - - // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message - // end include: shell.js - // include: preamble.js - // === Preamble library stuff === - // Documentation for the public APIs defined in this file must be updated in: - // site/source/docs/api_reference/preamble.js.rst - // A prebuilt local version of the documentation is available at: - // site/build/text/docs/api_reference/preamble.js.txt - // You can also build docs locally as HTML or other formats in site/ - // An online HTML version (which may be of a different version of Emscripten) - // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html - var wasmBinary = Module['wasmBinary']; - - // Wasm globals - var wasmMemory; - - //======================================== - // Runtime essentials - //======================================== - // whether we are quitting the application. no code should run after this. - // set in exit() and abort() - var ABORT = false; - - // set by exit() and abort(). Passed to 'onExit' handler. - // NOTE: This is also used as the process return code code in shell environments - // but only when noExitRuntime is false. - var EXITSTATUS; - - // In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we - // don't define it at all in release modes. This matches the behaviour of - // MINIMAL_RUNTIME. - // TODO(sbc): Make this the default even without STRICT enabled. - /** @type {function(*, string=)} */ function assert(condition, text) { - if (!condition) { - // This build was created without ASSERTIONS defined. `assert()` should not - // ever be called in this configuration but in case there are callers in - // the wild leave this simple abort() implementation here for now. - abort(text); - } - } +var runtimeInitialized = false; - // Memory management - var /** @type {!Int8Array} */ HEAP8, - /** @type {!Uint8Array} */ HEAPU8, - /** @type {!Int16Array} */ HEAP16, - /** @type {!Uint16Array} */ HEAPU16, - /** @type {!Int32Array} */ HEAP32, - /** @type {!Uint32Array} */ HEAPU32, - /** @type {!Float32Array} */ HEAPF32, - /* BigInt64Array type is not correctly defined in closure -/** not-@type {!BigInt64Array} */ HEAP64, - /* BigUint64Array type is not correctly defined in closure -/** not-t@type {!BigUint64Array} */ HEAPU64, - /** @type {!Float64Array} */ HEAPF64; - - var runtimeInitialized = false; - - var runtimeExited = false; - - /** - * Indicates whether filename is delivered via file protocol (as opposed to http/https) - * @noinline - */ var isFileURI = (filename) => filename.startsWith('file://'); - - // include: runtime_shared.js - // include: runtime_stack_check.js - // end include: runtime_stack_check.js - // include: runtime_exceptions.js - // end include: runtime_exceptions.js - // include: runtime_debug.js - // end include: runtime_debug.js - // include: memoryprofiler.js - // end include: memoryprofiler.js - function updateMemoryViews() { - var b = wasmMemory.buffer; - Module['HEAP8'] = HEAP8 = new Int8Array(b); - Module['HEAP16'] = HEAP16 = new Int16Array(b); - Module['HEAPU8'] = HEAPU8 = new Uint8Array(b); - Module['HEAPU16'] = HEAPU16 = new Uint16Array(b); - Module['HEAP32'] = HEAP32 = new Int32Array(b); - Module['HEAPU32'] = HEAPU32 = new Uint32Array(b); - Module['HEAPF32'] = HEAPF32 = new Float32Array(b); - Module['HEAPF64'] = HEAPF64 = new Float64Array(b); - Module['HEAP64'] = HEAP64 = new BigInt64Array(b); - Module['HEAPU64'] = HEAPU64 = new BigUint64Array(b); - } +var runtimeExited = false; - // end include: runtime_shared.js - function preRun() { - if (Module['preRun']) { - if (typeof Module['preRun'] == 'function') - Module['preRun'] = [Module['preRun']]; - while (Module['preRun'].length) { - addOnPreRun(Module['preRun'].shift()); - } - } - callRuntimeCallbacks(onPreRuns); - } +/** + * Indicates whether filename is delivered via file protocol (as opposed to http/https) + * @noinline + */ var isFileURI = filename => filename.startsWith("file://"); + +// include: runtime_shared.js +// include: runtime_stack_check.js +// end include: runtime_stack_check.js +// include: runtime_exceptions.js +// end include: runtime_exceptions.js +// include: runtime_debug.js +// end include: runtime_debug.js +// include: memoryprofiler.js +// end include: memoryprofiler.js +function updateMemoryViews() { + var b = wasmMemory.buffer; + Module["HEAP8"] = HEAP8 = new Int8Array(b); + Module["HEAP16"] = HEAP16 = new Int16Array(b); + Module["HEAPU8"] = HEAPU8 = new Uint8Array(b); + Module["HEAPU16"] = HEAPU16 = new Uint16Array(b); + Module["HEAP32"] = HEAP32 = new Int32Array(b); + Module["HEAPU32"] = HEAPU32 = new Uint32Array(b); + Module["HEAPF32"] = HEAPF32 = new Float32Array(b); + Module["HEAPF64"] = HEAPF64 = new Float64Array(b); + Module["HEAP64"] = HEAP64 = new BigInt64Array(b); + Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b); +} - function initRuntime() { - runtimeInitialized = true; - SOCKFS.root = FS.mount(SOCKFS, {}, null); - if (!Module['noFSInit'] && !FS.initialized) FS.init(); - TTY.init(); - PIPEFS.root = FS.mount(PIPEFS, {}, null); - wasmExports['kb'](); - FS.ignorePermissions = false; - } +// end include: runtime_shared.js +function preRun() { + if (Module["preRun"]) { + if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ]; + while (Module["preRun"].length) { + addOnPreRun(Module["preRun"].shift()); + } + } + callRuntimeCallbacks(onPreRuns); +} - function exitRuntime() { - ___funcs_on_exit(); - // Native atexit() functions - FS.quit(); - TTY.shutdown(); - runtimeExited = true; - } +function initRuntime() { + runtimeInitialized = true; + SOCKFS.root = FS.mount(SOCKFS, {}, null); + if (!Module["noFSInit"] && !FS.initialized) FS.init(); + TTY.init(); + PIPEFS.root = FS.mount(PIPEFS, {}, null); + wasmExports["kb"](); + FS.ignorePermissions = false; +} - function postRun() { - if (Module['postRun']) { - if (typeof Module['postRun'] == 'function') - Module['postRun'] = [Module['postRun']]; - while (Module['postRun'].length) { - addOnPostRun(Module['postRun'].shift()); - } - } - callRuntimeCallbacks(onPostRuns); - } +function exitRuntime() { + ___funcs_on_exit(); + // Native atexit() functions + FS.quit(); + TTY.shutdown(); + runtimeExited = true; +} - // A counter of dependencies for calling run(). If we need to - // do asynchronous work before running, increment this and - // decrement it. Incrementing must happen in a place like - // Module.preRun (used by emcc to add file preloading). - // Note that you can add dependencies in preRun, even though - // it happens right before run - run will be postponed until - // the dependencies are met. - var runDependencies = 0; +function postRun() { + if (Module["postRun"]) { + if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ]; + while (Module["postRun"].length) { + addOnPostRun(Module["postRun"].shift()); + } + } + callRuntimeCallbacks(onPostRuns); +} - var dependenciesFulfilled = null; +// A counter of dependencies for calling run(). If we need to +// do asynchronous work before running, increment this and +// decrement it. Incrementing must happen in a place like +// Module.preRun (used by emcc to add file preloading). +// Note that you can add dependencies in preRun, even though +// it happens right before run - run will be postponed until +// the dependencies are met. +var runDependencies = 0; - // overridden to take different actions when all run dependencies are fulfilled - function getUniqueRunDependency(id) { - return id; - } +var dependenciesFulfilled = null; - function addRunDependency(id) { - runDependencies++; - Module['monitorRunDependencies']?.(runDependencies); - } +// overridden to take different actions when all run dependencies are fulfilled +function getUniqueRunDependency(id) { + return id; +} - function removeRunDependency(id) { - runDependencies--; - Module['monitorRunDependencies']?.(runDependencies); - if (runDependencies == 0) { - if (dependenciesFulfilled) { - var callback = dependenciesFulfilled; - dependenciesFulfilled = null; - callback(); - } - } - } +function addRunDependency(id) { + runDependencies++; + Module["monitorRunDependencies"]?.(runDependencies); +} - /** @param {string|number=} what */ function abort(what) { - Module['onAbort']?.(what); - what = 'Aborted(' + what + ')'; - // TODO(sbc): Should we remove printing and leave it up to whoever - // catches the exception? - err(what); - ABORT = true; - what += '. Build with -sASSERTIONS for more info.'; - // Use a wasm runtime error, because a JS error might be seen as a foreign - // exception, which means we'd run destructors on it. We need the error to - // simply make the program stop. - // FIXME This approach does not work in Wasm EH because it currently does not assume - // all RuntimeErrors are from traps; it decides whether a RuntimeError is from - // a trap or not based on a hidden field within the object. So at the moment - // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that - // allows this in the wasm spec. - // Suppress closure compiler warning here. Closure compiler's builtin extern - // definition for WebAssembly.RuntimeError claims it takes no arguments even - // though it can. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. - /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError( - what - ); - // Throw the error whether or not MODULARIZE is set because abort is used - // in code paths apart from instantiation where an exception is expected - // to be thrown when abort is called. - throw e; - } +function removeRunDependency(id) { + runDependencies--; + Module["monitorRunDependencies"]?.(runDependencies); + if (runDependencies == 0) { + if (dependenciesFulfilled) { + var callback = dependenciesFulfilled; + dependenciesFulfilled = null; + callback(); + } + } +} - var wasmBinaryFile; +/** @param {string|number=} what */ function abort(what) { + Module["onAbort"]?.(what); + what = "Aborted(" + what + ")"; + // TODO(sbc): Should we remove printing and leave it up to whoever + // catches the exception? + err(what); + ABORT = true; + what += ". Build with -sASSERTIONS for more info."; + // Use a wasm runtime error, because a JS error might be seen as a foreign + // exception, which means we'd run destructors on it. We need the error to + // simply make the program stop. + // FIXME This approach does not work in Wasm EH because it currently does not assume + // all RuntimeErrors are from traps; it decides whether a RuntimeError is from + // a trap or not based on a hidden field within the object. So at the moment + // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that + // allows this in the wasm spec. + // Suppress closure compiler warning here. Closure compiler's builtin extern + // definition for WebAssembly.RuntimeError claims it takes no arguments even + // though it can. + // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. + /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); + // Throw the error whether or not MODULARIZE is set because abort is used + // in code paths apart from instantiation where an exception is expected + // to be thrown when abort is called. + throw e; +} - function findWasmBinary() { - return locateFile(dependencyFilename); - } +var wasmBinaryFile; - function getBinarySync(file) { - if (file == wasmBinaryFile && wasmBinary) { - return new Uint8Array(wasmBinary); - } - if (readBinary) { - return readBinary(file); - } - throw 'both async and sync fetching of the wasm failed'; - } +function findWasmBinary() { + return locateFile(dependencyFilename); +} - async function getWasmBinary(binaryFile) { - // If we don't have the binary yet, load it asynchronously using readAsync. - if (!wasmBinary) { - // Fetch the binary using readAsync - try { - var response = await readAsync(binaryFile); - return new Uint8Array(response); - } catch {} - } - // Otherwise, getBinarySync should be able to get it synchronously - return getBinarySync(binaryFile); - } +function getBinarySync(file) { + if (file == wasmBinaryFile && wasmBinary) { + return new Uint8Array(wasmBinary); + } + if (readBinary) { + return readBinary(file); + } + throw "both async and sync fetching of the wasm failed"; +} - async function instantiateArrayBuffer(binaryFile, imports) { - try { - var binary = await getWasmBinary(binaryFile); - var instance = await WebAssembly.instantiate(binary, imports); - return instance; - } catch (reason) { - err(`failed to asynchronously prepare wasm: ${reason}`); - abort(reason); - } - } +async function getWasmBinary(binaryFile) { + // If we don't have the binary yet, load it asynchronously using readAsync. + if (!wasmBinary) { + // Fetch the binary using readAsync + try { + var response = await readAsync(binaryFile); + return new Uint8Array(response); + } catch {} + } + // Otherwise, getBinarySync should be able to get it synchronously + return getBinarySync(binaryFile); +} - async function instantiateAsync(binary, binaryFile, imports) { - if ( - !binary && - typeof WebAssembly.instantiateStreaming == 'function' && - !ENVIRONMENT_IS_NODE - ) { - try { - var response = fetch(binaryFile, { - credentials: 'same-origin', - }); - var instantiationResult = - await WebAssembly.instantiateStreaming(response, imports); - return instantiationResult; - } catch (reason) { - // We expect the most common failure cause to be a bad MIME type for the binary, - // in which case falling back to ArrayBuffer instantiation should work. - err(`wasm streaming compile failed: ${reason}`); - err('falling back to ArrayBuffer instantiation'); - } - } - return instantiateArrayBuffer(binaryFile, imports); - } +async function instantiateArrayBuffer(binaryFile, imports) { + try { + var binary = await getWasmBinary(binaryFile); + var instance = await WebAssembly.instantiate(binary, imports); + return instance; + } catch (reason) { + err(`failed to asynchronously prepare wasm: ${reason}`); + abort(reason); + } +} - function getWasmImports() { - // prepare imports - return { - a: wasmImports, - }; - } +async function instantiateAsync(binary, binaryFile, imports) { + if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !ENVIRONMENT_IS_NODE) { + try { + var response = fetch(binaryFile, { + credentials: "same-origin" + }); + var instantiationResult = await WebAssembly.instantiateStreaming(response, imports); + return instantiationResult; + } catch (reason) { + // We expect the most common failure cause to be a bad MIME type for the binary, + // in which case falling back to ArrayBuffer instantiation should work. + err(`wasm streaming compile failed: ${reason}`); + err("falling back to ArrayBuffer instantiation"); + } + } + return instantiateArrayBuffer(binaryFile, imports); +} - // Create the wasm instance. - // Receives the wasm imports, returns the exports. - async function createWasm() { - // Load the wasm module and create an instance of using native support in the JS engine. - // handle a generated wasm instance, receiving its exports and - // performing other necessary setup - /** @param {WebAssembly.Module=} module*/ function receiveInstance( - instance, - module - ) { - wasmExports = instance.exports; - wasmExports = Asyncify.instrumentWasmExports(wasmExports); - Module['wasmExports'] = wasmExports; - wasmMemory = wasmExports['jb']; - updateMemoryViews(); - wasmTable = wasmExports['lb']; - removeRunDependency('wasm-instantiate'); - return wasmExports; - } - // wait for the pthread pool (if any) - addRunDependency('wasm-instantiate'); - // Prefer streaming instantiation if available. - function receiveInstantiationResult(result) { - // 'result' is a ResultObject object which has both the module and instance. - // receiveInstance() will swap in the exports (to Module.asm) so they can be called - // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. - // When the regression is fixed, can restore the above PTHREADS-enabled path. - return receiveInstance(result['instance']); - } - var info = getWasmImports(); - // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback - // to manually instantiate the Wasm module themselves. This allows pages to - // run the instantiation parallel to any other async startup actions they are - // performing. - // Also pthreads and wasm workers initialize the wasm instance through this - // path. - if (Module['instantiateWasm']) { - return new Promise((resolve, reject) => { - Module['instantiateWasm'](info, (mod, inst) => { - receiveInstance(mod, inst); - resolve(mod.exports); - }); - }); - } - wasmBinaryFile ??= findWasmBinary(); - var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); - var exports = receiveInstantiationResult(result); - return exports; - } +function getWasmImports() { + // prepare imports + return { + "a": wasmImports + }; +} - // end include: preamble.js - // Begin JS library code - class ExitStatus { - name = 'ExitStatus'; - constructor(status) { - this.message = `Program terminated with exit(${status})`; - this.status = status; - } - } - ExitStatus = class PHPExitStatus extends Error { - constructor(status) { - super(status); - this.name = 'ExitStatus'; - this.message = 'Program terminated with exit(' + status + ')'; - this.status = status; - } - }; - - var callRuntimeCallbacks = (callbacks) => { - while (callbacks.length > 0) { - // Pass the module as the first argument. - callbacks.shift()(Module); - } - }; - - var onPostRuns = []; - - var addOnPostRun = (cb) => onPostRuns.unshift(cb); - - var onPreRuns = []; - - var addOnPreRun = (cb) => onPreRuns.unshift(cb); - - var noExitRuntime = Module['noExitRuntime'] || false; - - var stackRestore = (val) => __emscripten_stack_restore(val); - - var stackSave = () => _emscripten_stack_get_current(); - - var UTF8Decoder = - typeof TextDecoder != 'undefined' ? new TextDecoder() : undefined; - - /** - * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given - * array that contains uint8 values, returns a copy of that string as a - * Javascript String object. - * heapOrArray is either a regular array, or a JavaScript typed array view. - * @param {number=} idx - * @param {number=} maxBytesToRead - * @return {string} - */ var UTF8ArrayToString = ( - heapOrArray, - idx = 0, - maxBytesToRead = NaN - ) => { - var endIdx = idx + maxBytesToRead; - var endPtr = idx; - // TextDecoder needs to know the byte length in advance, it doesn't stop on - // null terminator by itself. Also, use the length info to avoid running tiny - // strings through TextDecoder, since .subarray() allocates garbage. - // (As a tiny code save trick, compare endPtr against endIdx using a negation, - // so that undefined/NaN means Infinity) - while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; - if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { - return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); - } - var str = ''; - // If building with TextDecoder, we have already computed the string length - // above, so test loop end condition against that - while (idx < endPtr) { - // For UTF8 byte structure, see: - // http://en.wikipedia.org/wiki/UTF-8#Description - // https://www.ietf.org/rfc/rfc2279.txt - // https://tools.ietf.org/html/rfc3629 - var u0 = heapOrArray[idx++]; - if (!(u0 & 128)) { - str += String.fromCharCode(u0); - continue; - } - var u1 = heapOrArray[idx++] & 63; - if ((u0 & 224) == 192) { - str += String.fromCharCode(((u0 & 31) << 6) | u1); - continue; - } - var u2 = heapOrArray[idx++] & 63; - if ((u0 & 240) == 224) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - u0 = - ((u0 & 7) << 18) | - (u1 << 12) | - (u2 << 6) | - (heapOrArray[idx++] & 63); - } - if (u0 < 65536) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 65536; - str += String.fromCharCode( - 55296 | (ch >> 10), - 56320 | (ch & 1023) - ); - } - } - return str; - }; - - /** - * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the - * emscripten HEAP, returns a copy of that string as a Javascript String object. - * - * @param {number} ptr - * @param {number=} maxBytesToRead - An optional length that specifies the - * maximum number of bytes to read. You can omit this parameter to scan the - * string until the first 0 byte. If maxBytesToRead is passed, and the string - * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the - * string will cut short at that byte index (i.e. maxBytesToRead will not - * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing - * frequent uses of UTF8ToString() with and without maxBytesToRead may throw - * JS JIT optimizations off, so it is worth to consider consistently using one - * @return {string} - */ var UTF8ToString = (ptr, maxBytesToRead) => - ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; - - Module['UTF8ToString'] = UTF8ToString; - - var ___assert_fail = (condition, filename, line, func) => - abort( - `Assertion failed: ${UTF8ToString(condition)}, at: ` + - [ - filename ? UTF8ToString(filename) : 'unknown filename', - line, - func ? UTF8ToString(func) : 'unknown function', - ] - ); - - var ___call_sighandler = (fp, sig) => ((a1) => dynCall_vi(fp, a1))(sig); - - class ExceptionInfo { - // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it. - constructor(excPtr) { - this.excPtr = excPtr; - this.ptr = excPtr - 24; - } - set_type(type) { - HEAPU32[(this.ptr + 4) >> 2] = type; - } - get_type() { - return HEAPU32[(this.ptr + 4) >> 2]; - } - set_destructor(destructor) { - HEAPU32[(this.ptr + 8) >> 2] = destructor; - } - get_destructor() { - return HEAPU32[(this.ptr + 8) >> 2]; - } - set_caught(caught) { - caught = caught ? 1 : 0; - HEAP8[this.ptr + 12] = caught; - } - get_caught() { - return HEAP8[this.ptr + 12] != 0; - } - set_rethrown(rethrown) { - rethrown = rethrown ? 1 : 0; - HEAP8[this.ptr + 13] = rethrown; - } - get_rethrown() { - return HEAP8[this.ptr + 13] != 0; - } - // Initialize native structure fields. Should be called once after allocated. - init(type, destructor) { - this.set_adjusted_ptr(0); - this.set_type(type); - this.set_destructor(destructor); - } - set_adjusted_ptr(adjustedPtr) { - HEAPU32[(this.ptr + 16) >> 2] = adjustedPtr; - } - get_adjusted_ptr() { - return HEAPU32[(this.ptr + 16) >> 2]; - } - } +// Create the wasm instance. +// Receives the wasm imports, returns the exports. +async function createWasm() { + // Load the wasm module and create an instance of using native support in the JS engine. + // handle a generated wasm instance, receiving its exports and + // performing other necessary setup + /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { + wasmExports = instance.exports; + wasmExports = Asyncify.instrumentWasmExports(wasmExports); + Module["wasmExports"] = wasmExports; + wasmMemory = wasmExports["jb"]; + updateMemoryViews(); + wasmTable = wasmExports["lb"]; + removeRunDependency("wasm-instantiate"); + return wasmExports; + } + // wait for the pthread pool (if any) + addRunDependency("wasm-instantiate"); + // Prefer streaming instantiation if available. + function receiveInstantiationResult(result) { + // 'result' is a ResultObject object which has both the module and instance. + // receiveInstance() will swap in the exports (to Module.asm) so they can be called + // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. + // When the regression is fixed, can restore the above PTHREADS-enabled path. + return receiveInstance(result["instance"]); + } + var info = getWasmImports(); + // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback + // to manually instantiate the Wasm module themselves. This allows pages to + // run the instantiation parallel to any other async startup actions they are + // performing. + // Also pthreads and wasm workers initialize the wasm instance through this + // path. + if (Module["instantiateWasm"]) { + return new Promise((resolve, reject) => { + Module["instantiateWasm"](info, (mod, inst) => { + receiveInstance(mod, inst); + resolve(mod.exports); + }); + }); + } + wasmBinaryFile ??= findWasmBinary(); + var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); + var exports = receiveInstantiationResult(result); + return exports; +} - var exceptionLast = 0; - - var uncaughtExceptionCount = 0; - - var ___cxa_throw = (ptr, type, destructor) => { - var info = new ExceptionInfo(ptr); - // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. - info.init(type, destructor); - exceptionLast = ptr; - uncaughtExceptionCount++; - throw exceptionLast; - }; - - var initRandomFill = () => (view) => crypto.getRandomValues(view); - - var randomFill = (view) => { - // Lazily init on the first invocation. - (randomFill = initRandomFill())(view); - }; - - var PATH = { - isAbs: (path) => path.charAt(0) === '/', - splitPath: (filename) => { - var splitPathRe = - /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; - return splitPathRe.exec(filename).slice(1); - }, - normalizeArray: (parts, allowAboveRoot) => { - // if the path tries to go above the root, `up` ends up > 0 - var up = 0; - for (var i = parts.length - 1; i >= 0; i--) { - var last = parts[i]; - if (last === '.') { - parts.splice(i, 1); - } else if (last === '..') { - parts.splice(i, 1); - up++; - } else if (up) { - parts.splice(i, 1); - up--; - } - } - // if the path is allowed to go above the root, restore leading ..s - if (allowAboveRoot) { - for (; up; up--) { - parts.unshift('..'); - } - } - return parts; - }, - normalize: (path) => { - var isAbsolute = PATH.isAbs(path), - trailingSlash = path.slice(-1) === '/'; - // Normalize the path - path = PATH.normalizeArray( - path.split('/').filter((p) => !!p), - !isAbsolute - ).join('/'); - if (!path && !isAbsolute) { - path = '.'; - } - if (path && trailingSlash) { - path += '/'; - } - return (isAbsolute ? '/' : '') + path; - }, - dirname: (path) => { - var result = PATH.splitPath(path), - root = result[0], - dir = result[1]; - if (!root && !dir) { - // No dirname whatsoever - return '.'; - } - if (dir) { - // It has a dirname, strip trailing slash - dir = dir.slice(0, -1); - } - return root + dir; - }, - basename: (path) => path && path.match(/([^\/]+|\/)\/*$/)[1], - join: (...paths) => PATH.normalize(paths.join('/')), - join2: (l, r) => PATH.normalize(l + '/' + r), - }; - - var PATH_FS = { - resolve: (...args) => { - var resolvedPath = '', - resolvedAbsolute = false; - for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path = i >= 0 ? args[i] : FS.cwd(); - // Skip empty and invalid entries - if (typeof path != 'string') { - throw new TypeError( - 'Arguments to path.resolve must be strings' - ); - } else if (!path) { - return ''; - } - resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = PATH.isAbs(path); - } - // At this point the path should be resolved to a full absolute path, but - // handle relative paths to be safe (might happen when process.cwd() fails) - resolvedPath = PATH.normalizeArray( - resolvedPath.split('/').filter((p) => !!p), - !resolvedAbsolute - ).join('/'); - return (resolvedAbsolute ? '/' : '') + resolvedPath || '.'; - }, - relative: (from, to) => { - from = PATH_FS.resolve(from).slice(1); - to = PATH_FS.resolve(to).slice(1); - function trim(arr) { - var start = 0; - for (; start < arr.length; start++) { - if (arr[start] !== '') break; - } - var end = arr.length - 1; - for (; end >= 0; end--) { - if (arr[end] !== '') break; - } - if (start > end) return []; - return arr.slice(start, end - start + 1); - } - var fromParts = trim(from.split('/')); - var toParts = trim(to.split('/')); - var length = Math.min(fromParts.length, toParts.length); - var samePartsLength = length; - for (var i = 0; i < length; i++) { - if (fromParts[i] !== toParts[i]) { - samePartsLength = i; - break; - } - } - var outputParts = []; - for (var i = samePartsLength; i < fromParts.length; i++) { - outputParts.push('..'); - } - outputParts = outputParts.concat(toParts.slice(samePartsLength)); - return outputParts.join('/'); - }, - }; - - var FS_stdin_getChar_buffer = []; - - var lengthBytesUTF8 = (str) => { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code - // unit, not a Unicode code point of the character! So decode - // UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var c = str.charCodeAt(i); - // possibly a lead surrogate - if (c <= 127) { - len++; - } else if (c <= 2047) { - len += 2; - } else if (c >= 55296 && c <= 57343) { - len += 4; - ++i; - } else { - len += 3; - } - } - return len; - }; - - Module['lengthBytesUTF8'] = lengthBytesUTF8; - - var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => { - // Parameter maxBytesToWrite is not optional. Negative values, 0, null, - // undefined and false each don't write out any bytes. - if (!(maxBytesToWrite > 0)) return 0; - var startIdx = outIdx; - var endIdx = outIdx + maxBytesToWrite - 1; - // -1 for string null terminator. - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code - // unit, not a Unicode code point of the character! So decode - // UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description - // and https://www.ietf.org/rfc/rfc2279.txt - // and https://tools.ietf.org/html/rfc3629 - var u = str.charCodeAt(i); - // possibly a lead surrogate - if (u >= 55296 && u <= 57343) { - var u1 = str.charCodeAt(++i); - u = (65536 + ((u & 1023) << 10)) | (u1 & 1023); - } - if (u <= 127) { - if (outIdx >= endIdx) break; - heap[outIdx++] = u; - } else if (u <= 2047) { - if (outIdx + 1 >= endIdx) break; - heap[outIdx++] = 192 | (u >> 6); - heap[outIdx++] = 128 | (u & 63); - } else if (u <= 65535) { - if (outIdx + 2 >= endIdx) break; - heap[outIdx++] = 224 | (u >> 12); - heap[outIdx++] = 128 | ((u >> 6) & 63); - heap[outIdx++] = 128 | (u & 63); - } else { - if (outIdx + 3 >= endIdx) break; - heap[outIdx++] = 240 | (u >> 18); - heap[outIdx++] = 128 | ((u >> 12) & 63); - heap[outIdx++] = 128 | ((u >> 6) & 63); - heap[outIdx++] = 128 | (u & 63); - } - } - // Null-terminate the pointer to the buffer. - heap[outIdx] = 0; - return outIdx - startIdx; - }; - - /** @type {function(string, boolean=, number=)} */ var intArrayFromString = - (stringy, dontAddNull, length) => { - var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1; - var u8array = new Array(len); - var numBytesWritten = stringToUTF8Array( - stringy, - u8array, - 0, - u8array.length - ); - if (dontAddNull) u8array.length = numBytesWritten; - return u8array; - }; - - var FS_stdin_getChar = () => { - if (!FS_stdin_getChar_buffer.length) { - var result = null; - if (ENVIRONMENT_IS_NODE) { - // we will read data by chunks of BUFSIZE - var BUFSIZE = 256; - var buf = Buffer.alloc(BUFSIZE); - var bytesRead = 0; - // For some reason we must suppress a closure warning here, even though - // fd definitely exists on process.stdin, and is even the proper way to - // get the fd of stdin, - // https://github.com/nodejs/help/issues/2136#issuecomment-523649904 - // This started to happen after moving this logic out of library_tty.js, - // so it is related to the surrounding code in some unclear manner. - /** @suppress {missingProperties} */ var fd = process.stdin.fd; - try { - bytesRead = fs.readSync(fd, buf, 0, BUFSIZE); - } catch (e) { - // Cross-platform differences: on Windows, reading EOF throws an - // exception, but on other OSes, reading EOF returns 0. Uniformize - // behavior by treating the EOF exception to return 0. - if (e.toString().includes('EOF')) bytesRead = 0; - else throw e; - } - if (bytesRead > 0) { - result = buf.slice(0, bytesRead).toString('utf-8'); - } - } else { - } - if (!result) { - return null; - } - FS_stdin_getChar_buffer = intArrayFromString(result, true); - } - return FS_stdin_getChar_buffer.shift(); - }; - - var TTY = { - ttys: [], - init() {}, - shutdown() {}, - register(dev, ops) { - TTY.ttys[dev] = { - input: [], - output: [], - ops, - }; - FS.registerDevice(dev, TTY.stream_ops); - }, - stream_ops: { - open(stream) { - var tty = TTY.ttys[stream.node.rdev]; - if (!tty) { - throw new FS.ErrnoError(43); - } - stream.tty = tty; - stream.seekable = false; - }, - close(stream) { - // flush any pending line data - stream.tty.ops.fsync(stream.tty); - }, - fsync(stream) { - stream.tty.ops.fsync(stream.tty); - }, - read(stream, buffer, offset, length, pos) { - if (!stream.tty || !stream.tty.ops.get_char) { - throw new FS.ErrnoError(60); - } - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = stream.tty.ops.get_char(stream.tty); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset + i] = result; - } - if (bytesRead) { - stream.node.atime = Date.now(); - } - return bytesRead; - }, - write(stream, buffer, offset, length, pos) { - if (!stream.tty || !stream.tty.ops.put_char) { - throw new FS.ErrnoError(60); - } - try { - for (var i = 0; i < length; i++) { - stream.tty.ops.put_char(stream.tty, buffer[offset + i]); - } - } catch (e) { - throw new FS.ErrnoError(29); - } - if (length) { - stream.node.mtime = stream.node.ctime = Date.now(); - } - return i; - }, - }, - default_tty_ops: { - get_char(tty) { - return FS_stdin_getChar(); - }, - put_char(tty, val) { - if (val === null || val === 10) { - out(UTF8ArrayToString(tty.output)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); - } - }, - fsync(tty) { - if (tty.output?.length > 0) { - out(UTF8ArrayToString(tty.output)); - tty.output = []; - } - }, - ioctl_tcgets(tty) { - // typical setting - return { - c_iflag: 25856, - c_oflag: 5, - c_cflag: 191, - c_lflag: 35387, - c_cc: [ - 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, - 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - ], - }; - }, - ioctl_tcsets(tty, optional_actions, data) { - // currently just ignore - return 0; - }, - ioctl_tiocgwinsz(tty) { - return [24, 80]; - }, - }, - default_tty1_ops: { - put_char(tty, val) { - if (val === null || val === 10) { - err(UTF8ArrayToString(tty.output)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); - } - }, - fsync(tty) { - if (tty.output?.length > 0) { - err(UTF8ArrayToString(tty.output)); - tty.output = []; - } - }, - }, - }; - - var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size); - - var alignMemory = (size, alignment) => - Math.ceil(size / alignment) * alignment; - - var mmapAlloc = (size) => { - size = alignMemory(size, 65536); - var ptr = _emscripten_builtin_memalign(65536, size); - if (ptr) zeroMemory(ptr, size); - return ptr; - }; - - var MEMFS = { - ops_table: null, - mount(mount) { - return MEMFS.createNode(null, '/', 16895, 0); - }, - createNode(parent, name, mode, dev) { - if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { - // no supported - throw new FS.ErrnoError(63); - } - MEMFS.ops_table ||= { - dir: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - lookup: MEMFS.node_ops.lookup, - mknod: MEMFS.node_ops.mknod, - rename: MEMFS.node_ops.rename, - unlink: MEMFS.node_ops.unlink, - rmdir: MEMFS.node_ops.rmdir, - readdir: MEMFS.node_ops.readdir, - symlink: MEMFS.node_ops.symlink, - }, - stream: { - llseek: MEMFS.stream_ops.llseek, - }, - }, - file: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - }, - stream: { - llseek: MEMFS.stream_ops.llseek, - read: MEMFS.stream_ops.read, - write: MEMFS.stream_ops.write, - mmap: MEMFS.stream_ops.mmap, - msync: MEMFS.stream_ops.msync, - }, - }, - link: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - readlink: MEMFS.node_ops.readlink, - }, - stream: {}, - }, - chrdev: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - }, - stream: FS.chrdev_stream_ops, - }, - }; - var node = FS.createNode(parent, name, mode, dev); - if (FS.isDir(node.mode)) { - node.node_ops = MEMFS.ops_table.dir.node; - node.stream_ops = MEMFS.ops_table.dir.stream; - node.contents = {}; - } else if (FS.isFile(node.mode)) { - node.node_ops = MEMFS.ops_table.file.node; - node.stream_ops = MEMFS.ops_table.file.stream; - node.usedBytes = 0; - // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. - // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred - // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size - // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. - node.contents = null; - } else if (FS.isLink(node.mode)) { - node.node_ops = MEMFS.ops_table.link.node; - node.stream_ops = MEMFS.ops_table.link.stream; - } else if (FS.isChrdev(node.mode)) { - node.node_ops = MEMFS.ops_table.chrdev.node; - node.stream_ops = MEMFS.ops_table.chrdev.stream; - } - node.atime = node.mtime = node.ctime = Date.now(); - // add the new node to the parent - if (parent) { - parent.contents[name] = node; - parent.atime = parent.mtime = parent.ctime = node.atime; - } - return node; - }, - getFileDataAsTypedArray(node) { - if (!node.contents) return new Uint8Array(0); - if (node.contents.subarray) - return node.contents.subarray(0, node.usedBytes); - // Make sure to not return excess unused bytes. - return new Uint8Array(node.contents); - }, - expandFileStorage(node, newCapacity) { - var prevCapacity = node.contents ? node.contents.length : 0; - if (prevCapacity >= newCapacity) return; - // No need to expand, the storage was already large enough. - // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. - // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to - // avoid overshooting the allocation cap by a very large margin. - var CAPACITY_DOUBLING_MAX = 1024 * 1024; - newCapacity = Math.max( - newCapacity, - (prevCapacity * - (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> - 0 - ); - if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); - // At minimum allocate 256b for each file when expanding. - var oldContents = node.contents; - node.contents = new Uint8Array(newCapacity); - // Allocate new storage. - if (node.usedBytes > 0) - node.contents.set(oldContents.subarray(0, node.usedBytes), 0); - }, - resizeFileStorage(node, newSize) { - if (node.usedBytes == newSize) return; - if (newSize == 0) { - node.contents = null; - // Fully decommit when requesting a resize to zero. - node.usedBytes = 0; - } else { - var oldContents = node.contents; - node.contents = new Uint8Array(newSize); - // Allocate new storage. - if (oldContents) { - node.contents.set( - oldContents.subarray( - 0, - Math.min(newSize, node.usedBytes) - ) - ); - } - node.usedBytes = newSize; - } - }, - node_ops: { - getattr(node) { - var attr = {}; - // device numbers reuse inode numbers. - attr.dev = FS.isChrdev(node.mode) ? node.id : 1; - attr.ino = node.id; - attr.mode = node.mode; - attr.nlink = 1; - attr.uid = 0; - attr.gid = 0; - attr.rdev = node.rdev; - if (FS.isDir(node.mode)) { - attr.size = 4096; - } else if (FS.isFile(node.mode)) { - attr.size = node.usedBytes; - } else if (FS.isLink(node.mode)) { - attr.size = node.link.length; - } else { - attr.size = 0; - } - attr.atime = new Date(node.atime); - attr.mtime = new Date(node.mtime); - attr.ctime = new Date(node.ctime); - // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), - // but this is not required by the standard. - attr.blksize = 4096; - attr.blocks = Math.ceil(attr.size / attr.blksize); - return attr; - }, - setattr(node, attr) { - for (const key of ['mode', 'atime', 'mtime', 'ctime']) { - if (attr[key] != null) { - node[key] = attr[key]; - } - } - if (attr.size !== undefined) { - MEMFS.resizeFileStorage(node, attr.size); - } - }, - lookup(parent, name) { - throw MEMFS.doesNotExistError; - }, - mknod(parent, name, mode, dev) { - return MEMFS.createNode(parent, name, mode, dev); - }, - rename(old_node, new_dir, new_name) { - var new_node; - try { - new_node = FS.lookupNode(new_dir, new_name); - } catch (e) {} - if (new_node) { - if (FS.isDir(old_node.mode)) { - // if we're overwriting a directory at new_name, make sure it's empty. - for (var i in new_node.contents) { - throw new FS.ErrnoError(55); - } - } - FS.hashRemoveNode(new_node); - } - // do the internal rewiring - delete old_node.parent.contents[old_node.name]; - new_dir.contents[new_name] = old_node; - old_node.name = new_name; - new_dir.ctime = - new_dir.mtime = - old_node.parent.ctime = - old_node.parent.mtime = - Date.now(); - }, - unlink(parent, name) { - delete parent.contents[name]; - parent.ctime = parent.mtime = Date.now(); - }, - rmdir(parent, name) { - var node = FS.lookupNode(parent, name); - for (var i in node.contents) { - throw new FS.ErrnoError(55); - } - delete parent.contents[name]; - parent.ctime = parent.mtime = Date.now(); - }, - readdir(node) { - return ['.', '..', ...Object.keys(node.contents)]; - }, - symlink(parent, newname, oldpath) { - var node = MEMFS.createNode(parent, newname, 511 | 40960, 0); - node.link = oldpath; - return node; - }, - readlink(node) { - if (!FS.isLink(node.mode)) { - throw new FS.ErrnoError(28); - } - return node.link; - }, - }, - stream_ops: { - read(stream, buffer, offset, length, position) { - var contents = stream.node.contents; - if (position >= stream.node.usedBytes) return 0; - var size = Math.min(stream.node.usedBytes - position, length); - if (size > 8 && contents.subarray) { - // non-trivial, and typed array - buffer.set( - contents.subarray(position, position + size), - offset - ); - } else { - for (var i = 0; i < size; i++) - buffer[offset + i] = contents[position + i]; - } - return size; - }, - write(stream, buffer, offset, length, position, canOwn) { - // If the buffer is located in main memory (HEAP), and if - // memory can grow, we can't hold on to references of the - // memory buffer, as they may get invalidated. That means we - // need to do copy its contents. - if (buffer.buffer === HEAP8.buffer) { - canOwn = false; - } - if (!length) return 0; - var node = stream.node; - node.mtime = node.ctime = Date.now(); - if ( - buffer.subarray && - (!node.contents || node.contents.subarray) - ) { - // This write is from a typed array to a typed array? - if (canOwn) { - node.contents = buffer.subarray( - offset, - offset + length - ); - node.usedBytes = length; - return length; - } else if (node.usedBytes === 0 && position === 0) { - // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. - node.contents = buffer.slice(offset, offset + length); - node.usedBytes = length; - return length; - } else if (position + length <= node.usedBytes) { - // Writing to an already allocated and used subrange of the file? - node.contents.set( - buffer.subarray(offset, offset + length), - position - ); - return length; - } - } - // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. - MEMFS.expandFileStorage(node, position + length); - if (node.contents.subarray && buffer.subarray) { - // Use typed array write which is available. - node.contents.set( - buffer.subarray(offset, offset + length), - position - ); - } else { - for (var i = 0; i < length; i++) { - node.contents[position + i] = buffer[offset + i]; - } - } - node.usedBytes = Math.max(node.usedBytes, position + length); - return length; - }, - llseek(stream, offset, whence) { - var position = offset; - if (whence === 1) { - position += stream.position; - } else if (whence === 2) { - if (FS.isFile(stream.node.mode)) { - position += stream.node.usedBytes; - } - } - if (position < 0) { - throw new FS.ErrnoError(28); - } - return position; - }, - mmap(stream, length, position, prot, flags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - var ptr; - var allocated; - var contents = stream.node.contents; - // Only make a new copy when MAP_PRIVATE is specified. - if ( - !(flags & 2) && - contents && - contents.buffer === HEAP8.buffer - ) { - // We can't emulate MAP_SHARED when the file is not backed by the - // buffer we're mapping to (e.g. the HEAP buffer). - allocated = false; - ptr = contents.byteOffset; - } else { - allocated = true; - ptr = mmapAlloc(length); - if (!ptr) { - throw new FS.ErrnoError(48); - } - if (contents) { - // Try to avoid unnecessary slices. - if ( - position > 0 || - position + length < contents.length - ) { - if (contents.subarray) { - contents = contents.subarray( - position, - position + length - ); - } else { - contents = Array.prototype.slice.call( - contents, - position, - position + length - ); - } - } - HEAP8.set(contents, ptr); - } - } - return { - ptr, - allocated, - }; - }, - msync(stream, buffer, offset, length, mmapFlags) { - MEMFS.stream_ops.write( - stream, - buffer, - 0, - length, - offset, - false - ); - // should we check if bytesWritten and length are the same? - return 0; - }, - }, - }; - - var asyncLoad = async (url) => { - var arrayBuffer = await readAsync(url); - return new Uint8Array(arrayBuffer); - }; - - asyncLoad.isAsync = true; - - var FS_createDataFile = ( - parent, - name, - fileData, - canRead, - canWrite, - canOwn - ) => { - FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn); - }; - - var preloadPlugins = Module['preloadPlugins'] || []; - - var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => { - // Ensure plugins are ready. - if (typeof Browser != 'undefined') Browser.init(); - var handled = false; - preloadPlugins.forEach((plugin) => { - if (handled) return; - if (plugin['canHandle'](fullname)) { - plugin['handle'](byteArray, fullname, finish, onerror); - handled = true; - } - }); - return handled; - }; - - var FS_createPreloadedFile = ( - parent, - name, - url, - canRead, - canWrite, - onload, - onerror, - dontCreateFile, - canOwn, - preFinish - ) => { - // TODO we should allow people to just pass in a complete filename instead - // of parent and name being that we just join them anyways - var fullname = name - ? PATH_FS.resolve(PATH.join2(parent, name)) - : parent; - var dep = getUniqueRunDependency(`cp ${fullname}`); - // might have several active requests for the same fullname - function processData(byteArray) { - function finish(byteArray) { - preFinish?.(); - if (!dontCreateFile) { - FS_createDataFile( - parent, - name, - byteArray, - canRead, - canWrite, - canOwn - ); - } - onload?.(); - removeRunDependency(dep); - } - if ( - FS_handledByPreloadPlugin(byteArray, fullname, finish, () => { - onerror?.(); - removeRunDependency(dep); - }) - ) { - return; - } - finish(byteArray); - } - addRunDependency(dep); - if (typeof url == 'string') { - asyncLoad(url).then(processData, onerror); - } else { - processData(url); - } - }; - - var FS_modeStringToFlags = (str) => { - var flagModes = { - r: 0, - 'r+': 2, - w: 512 | 64 | 1, - 'w+': 512 | 64 | 2, - a: 1024 | 64 | 1, - 'a+': 1024 | 64 | 2, - }; - var flags = flagModes[str]; - if (typeof flags == 'undefined') { - throw new Error(`Unknown file open mode: ${str}`); - } - return flags; - }; - - var FS_getMode = (canRead, canWrite) => { - var mode = 0; - if (canRead) mode |= 292 | 73; - if (canWrite) mode |= 146; - return mode; - }; - - var ERRNO_CODES = { - EPERM: 63, - ENOENT: 44, - ESRCH: 71, - EINTR: 27, - EIO: 29, - ENXIO: 60, - E2BIG: 1, - ENOEXEC: 45, - EBADF: 8, - ECHILD: 12, - EAGAIN: 6, - EWOULDBLOCK: 6, - ENOMEM: 48, - EACCES: 2, - EFAULT: 21, - ENOTBLK: 105, - EBUSY: 10, - EEXIST: 20, - EXDEV: 75, - ENODEV: 43, - ENOTDIR: 54, - EISDIR: 31, - EINVAL: 28, - ENFILE: 41, - EMFILE: 33, - ENOTTY: 59, - ETXTBSY: 74, - EFBIG: 22, - ENOSPC: 51, - ESPIPE: 70, - EROFS: 69, - EMLINK: 34, - EPIPE: 64, - EDOM: 18, - ERANGE: 68, - ENOMSG: 49, - EIDRM: 24, - ECHRNG: 106, - EL2NSYNC: 156, - EL3HLT: 107, - EL3RST: 108, - ELNRNG: 109, - EUNATCH: 110, - ENOCSI: 111, - EL2HLT: 112, - EDEADLK: 16, - ENOLCK: 46, - EBADE: 113, - EBADR: 114, - EXFULL: 115, - ENOANO: 104, - EBADRQC: 103, - EBADSLT: 102, - EDEADLOCK: 16, - EBFONT: 101, - ENOSTR: 100, - ENODATA: 116, - ETIME: 117, - ENOSR: 118, - ENONET: 119, - ENOPKG: 120, - EREMOTE: 121, - ENOLINK: 47, - EADV: 122, - ESRMNT: 123, - ECOMM: 124, - EPROTO: 65, - EMULTIHOP: 36, - EDOTDOT: 125, - EBADMSG: 9, - ENOTUNIQ: 126, - EBADFD: 127, - EREMCHG: 128, - ELIBACC: 129, - ELIBBAD: 130, - ELIBSCN: 131, - ELIBMAX: 132, - ELIBEXEC: 133, - ENOSYS: 52, - ENOTEMPTY: 55, - ENAMETOOLONG: 37, - ELOOP: 32, - EOPNOTSUPP: 138, - EPFNOSUPPORT: 139, - ECONNRESET: 15, - ENOBUFS: 42, - EAFNOSUPPORT: 5, - EPROTOTYPE: 67, - ENOTSOCK: 57, - ENOPROTOOPT: 50, - ESHUTDOWN: 140, - ECONNREFUSED: 14, - EADDRINUSE: 3, - ECONNABORTED: 13, - ENETUNREACH: 40, - ENETDOWN: 38, - ETIMEDOUT: 73, - EHOSTDOWN: 142, - EHOSTUNREACH: 23, - EINPROGRESS: 26, - EALREADY: 7, - EDESTADDRREQ: 17, - EMSGSIZE: 35, - EPROTONOSUPPORT: 66, - ESOCKTNOSUPPORT: 137, - EADDRNOTAVAIL: 4, - ENETRESET: 39, - EISCONN: 30, - ENOTCONN: 53, - ETOOMANYREFS: 141, - EUSERS: 136, - EDQUOT: 19, - ESTALE: 72, - ENOTSUP: 138, - ENOMEDIUM: 148, - EILSEQ: 25, - EOVERFLOW: 61, - ECANCELED: 11, - ENOTRECOVERABLE: 56, - EOWNERDEAD: 62, - ESTRPIPE: 135, - }; - - var NODEFS = { - isWindows: false, - staticInit() { - NODEFS.isWindows = !!process.platform.match(/^win/); - var flags = process.binding('constants')['fs']; - NODEFS.flagsForNodeMap = { - 1024: flags['O_APPEND'], - 64: flags['O_CREAT'], - 128: flags['O_EXCL'], - 256: flags['O_NOCTTY'], - 0: flags['O_RDONLY'], - 2: flags['O_RDWR'], - 4096: flags['O_SYNC'], - 512: flags['O_TRUNC'], - 1: flags['O_WRONLY'], - 131072: flags['O_NOFOLLOW'], - }; - }, - convertNodeCode(e) { - var code = e.code; - return ERRNO_CODES[code]; - }, - tryFSOperation(f) { - try { - return f(); - } catch (e) { - if (!e.code) throw e; - // node under windows can return code 'UNKNOWN' here: - // https://github.com/emscripten-core/emscripten/issues/15468 - if (e.code === 'UNKNOWN') throw new FS.ErrnoError(28); - throw new FS.ErrnoError(NODEFS.convertNodeCode(e)); - } - }, - mount(mount) { - return NODEFS.createNode( - null, - '/', - NODEFS.getMode(mount.opts.root), - 0 - ); - }, - createNode(parent, name, mode, dev) { - if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { - throw new FS.ErrnoError(28); - } - var node = FS.createNode(parent, name, mode); - node.node_ops = NODEFS.node_ops; - node.stream_ops = NODEFS.stream_ops; - return node; - }, - getMode(path) { - return NODEFS.tryFSOperation(() => { - var mode = fs.lstatSync(path).mode; - if (NODEFS.isWindows) { - // Windows does not report the 'x' permission bit, so propagate read - // bits to execute bits. - mode |= (mode & 292) >> 2; - } - return mode; - }); - }, - realPath(node) { - var parts = []; - while (node.parent !== node) { - parts.push(node.name); - node = node.parent; - } - parts.push(node.mount.opts.root); - parts.reverse(); - return PATH.join(...parts); - }, - flagsForNode(flags) { - flags &= ~2097152; - // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~2048; - // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~32768; - // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~524288; - // Some applications may pass it; it makes no sense for a single process. - flags &= ~65536; - // Node.js doesn't need this passed in, it errors. - var newFlags = 0; - for (var k in NODEFS.flagsForNodeMap) { - if (flags & k) { - newFlags |= NODEFS.flagsForNodeMap[k]; - flags ^= k; - } - } - if (flags) { - throw new FS.ErrnoError(28); - } - return newFlags; - }, - getattr(func, node) { - var stat = NODEFS.tryFSOperation(func); - if (NODEFS.isWindows) { - // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake - // them with default blksize of 4096. - // See http://support.microsoft.com/kb/140365 - if (!stat.blksize) { - stat.blksize = 4096; - } - if (!stat.blocks) { - stat.blocks = - ((stat.size + stat.blksize - 1) / stat.blksize) | 0; - } - // Windows does not report the 'x' permission bit, so propagate read - // bits to execute bits. - stat.mode |= (stat.mode & 292) >> 2; - } - return { - dev: stat.dev, - ino: node.id, - mode: stat.mode, - nlink: stat.nlink, - uid: stat.uid, - gid: stat.gid, - rdev: stat.rdev, - size: stat.size, - atime: stat.atime, - mtime: stat.mtime, - ctime: stat.ctime, - blksize: stat.blksize, - blocks: stat.blocks, - }; - }, - setattr(arg, node, attr, chmod, utimes, truncate, stat) { - NODEFS.tryFSOperation(() => { - if (attr.mode !== undefined) { - var mode = attr.mode; - if (NODEFS.isWindows) { - // Windows only supports S_IREAD / S_IWRITE (S_IRUSR / S_IWUSR) - // https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/chmod-wchmod - mode &= 384; - } - chmod(arg, mode); - // update the common node structure mode as well - node.mode = attr.mode; - } - if (typeof (attr.atime ?? attr.mtime) === 'number') { - // Unfortunately, we have to stat the current value if we don't want - // to change it. On top of that, since the times don't round trip - // this will only keep the value nearly unchanged not exactly - // unchanged. See: - // https://github.com/nodejs/node/issues/56492 - var atime = new Date(attr.atime ?? stat(arg).atime); - var mtime = new Date(attr.mtime ?? stat(arg).mtime); - utimes(arg, atime, mtime); - } - if (attr.size !== undefined) { - truncate(arg, attr.size); - } - }); - }, - node_ops: { - getattr(node) { - var path = NODEFS.realPath(node); - return NODEFS.getattr(() => fs.lstatSync(path), node); - }, - setattr(node, attr) { - var path = NODEFS.realPath(node); - if (attr.mode != null && attr.dontFollow) { - throw new FS.ErrnoError(52); - } - NODEFS.setattr( - path, - node, - attr, - fs.chmodSync, - fs.utimesSync, - fs.truncateSync, - fs.lstatSync - ); - }, - lookup(parent, name) { - var path = PATH.join2(NODEFS.realPath(parent), name); - var mode = NODEFS.getMode(path); - return NODEFS.createNode(parent, name, mode); - }, - mknod(parent, name, mode, dev) { - var node = NODEFS.createNode(parent, name, mode, dev); - // create the backing node for this in the fs root as well - var path = NODEFS.realPath(node); - NODEFS.tryFSOperation(() => { - if (FS.isDir(node.mode)) { - fs.mkdirSync(path, node.mode); - } else { - fs.writeFileSync(path, '', { - mode: node.mode, - }); - } - }); - return node; - }, - rename(oldNode, newDir, newName) { - var oldPath = NODEFS.realPath(oldNode); - var newPath = PATH.join2(NODEFS.realPath(newDir), newName); - try { - FS.unlink(newPath); - } catch (e) {} - NODEFS.tryFSOperation(() => fs.renameSync(oldPath, newPath)); - oldNode.name = newName; - }, - unlink(parent, name) { - var path = PATH.join2(NODEFS.realPath(parent), name); - NODEFS.tryFSOperation(() => fs.unlinkSync(path)); - }, - rmdir(parent, name) { - var path = PATH.join2(NODEFS.realPath(parent), name); - NODEFS.tryFSOperation(() => fs.rmdirSync(path)); - }, - readdir(node) { - var path = NODEFS.realPath(node); - return NODEFS.tryFSOperation(() => fs.readdirSync(path)); - }, - symlink(parent, newName, oldPath) { - var newPath = PATH.join2(NODEFS.realPath(parent), newName); - NODEFS.tryFSOperation(() => fs.symlinkSync(oldPath, newPath)); - }, - readlink(node) { - var path = NODEFS.realPath(node); - return NODEFS.tryFSOperation(() => fs.readlinkSync(path)); - }, - statfs(path) { - var stats = NODEFS.tryFSOperation(() => fs.statfsSync(path)); - // Node.js doesn't provide frsize (fragment size). Set it to bsize (block size) - // as they're often the same in many file systems. May not be accurate for all. - stats.frsize = stats.bsize; - return stats; - }, - }, - stream_ops: { - getattr(stream) { - return NODEFS.getattr( - () => fs.fstatSync(stream.nfd), - stream.node - ); - }, - setattr(stream, attr) { - NODEFS.setattr( - stream.nfd, - stream.node, - attr, - fs.fchmodSync, - fs.futimesSync, - fs.ftruncateSync, - fs.fstatSync - ); - }, - open(stream) { - var path = NODEFS.realPath(stream.node); - NODEFS.tryFSOperation(() => { - stream.shared.refcount = 1; - stream.nfd = fs.openSync( - path, - NODEFS.flagsForNode(stream.flags) - ); - }); - }, - close(stream) { - NODEFS.tryFSOperation(() => { - if (stream.nfd && --stream.shared.refcount === 0) { - fs.closeSync(stream.nfd); - } - }); - }, - dup(stream) { - stream.shared.refcount++; - }, - read(stream, buffer, offset, length, position) { - return NODEFS.tryFSOperation(() => - fs.readSync( - stream.nfd, - new Int8Array(buffer.buffer, offset, length), - 0, - length, - position - ) - ); - }, - write(stream, buffer, offset, length, position) { - return NODEFS.tryFSOperation(() => - fs.writeSync( - stream.nfd, - new Int8Array(buffer.buffer, offset, length), - 0, - length, - position - ) - ); - }, - llseek(stream, offset, whence) { - var position = offset; - if (whence === 1) { - position += stream.position; - } else if (whence === 2) { - if (FS.isFile(stream.node.mode)) { - NODEFS.tryFSOperation(() => { - var stat = fs.fstatSync(stream.nfd); - position += stat.size; - }); - } - } - if (position < 0) { - throw new FS.ErrnoError(28); - } - return position; - }, - mmap(stream, length, position, prot, flags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - var ptr = mmapAlloc(length); - NODEFS.stream_ops.read(stream, HEAP8, ptr, length, position); - return { - ptr, - allocated: true, - }; - }, - msync(stream, buffer, offset, length, mmapFlags) { - NODEFS.stream_ops.write( - stream, - buffer, - 0, - length, - offset, - false - ); - // should we check if bytesWritten and length are the same? - return 0; - }, - }, - }; - - var PROXYFS = { - mount(mount) { - return PROXYFS.createNode( - null, - '/', - mount.opts.fs.lstat(mount.opts.root).mode, - 0 - ); - }, - createNode(parent, name, mode, dev) { - if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - var node = FS.createNode(parent, name, mode); - node.node_ops = PROXYFS.node_ops; - node.stream_ops = PROXYFS.stream_ops; - return node; - }, - realPath(node) { - var parts = []; - while (node.parent !== node) { - parts.push(node.name); - node = node.parent; - } - parts.push(node.mount.opts.root); - parts.reverse(); - return PATH.join(...parts); - }, - node_ops: { - getattr(node) { - var path = PROXYFS.realPath(node); - var stat; - try { - stat = node.mount.opts.fs.lstat(path); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - return { - dev: stat.dev, - ino: stat.ino, - mode: stat.mode, - nlink: stat.nlink, - uid: stat.uid, - gid: stat.gid, - rdev: stat.rdev, - size: stat.size, - atime: stat.atime, - mtime: stat.mtime, - ctime: stat.ctime, - blksize: stat.blksize, - blocks: stat.blocks, - }; - }, - setattr(node, attr) { - var path = PROXYFS.realPath(node); - try { - if (attr.mode !== undefined) { - node.mount.opts.fs.chmod(path, attr.mode); - // update the common node structure mode as well - node.mode = attr.mode; - } - if (attr.atime || attr.mtime) { - var atime = new Date(attr.atime || attr.mtime); - var mtime = new Date(attr.mtime || attr.atime); - node.mount.opts.fs.utime(path, atime, mtime); - } - if (attr.size !== undefined) { - node.mount.opts.fs.truncate(path, attr.size); - } - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - lookup(parent, name) { - try { - var path = PATH.join2(PROXYFS.realPath(parent), name); - var mode = parent.mount.opts.fs.lstat(path).mode; - var node = PROXYFS.createNode(parent, name, mode); - return node; - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - mknod(parent, name, mode, dev) { - var node = PROXYFS.createNode(parent, name, mode, dev); - // create the backing node for this in the fs root as well - var path = PROXYFS.realPath(node); - try { - if (FS.isDir(node.mode)) { - node.mount.opts.fs.mkdir(path, node.mode); - } else { - node.mount.opts.fs.writeFile(path, '', { - mode: node.mode, - }); - } - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - return node; - }, - rename(oldNode, newDir, newName) { - var oldPath = PROXYFS.realPath(oldNode); - var newPath = PATH.join2(PROXYFS.realPath(newDir), newName); - try { - oldNode.mount.opts.fs.rename(oldPath, newPath); - oldNode.name = newName; - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - unlink(parent, name) { - var path = PATH.join2(PROXYFS.realPath(parent), name); - try { - parent.mount.opts.fs.unlink(path); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - rmdir(parent, name) { - var path = PATH.join2(PROXYFS.realPath(parent), name); - try { - parent.mount.opts.fs.rmdir(path); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - readdir(node) { - var path = PROXYFS.realPath(node); - try { - return node.mount.opts.fs.readdir(path); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - symlink(parent, newName, oldPath) { - var newPath = PATH.join2(PROXYFS.realPath(parent), newName); - try { - parent.mount.opts.fs.symlink(oldPath, newPath); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - readlink(node) { - var path = PROXYFS.realPath(node); - try { - return node.mount.opts.fs.readlink(path); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - }, - stream_ops: { - open(stream) { - var path = PROXYFS.realPath(stream.node); - try { - stream.nfd = stream.node.mount.opts.fs.open( - path, - stream.flags - ); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - close(stream) { - try { - stream.node.mount.opts.fs.close(stream.nfd); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - read(stream, buffer, offset, length, position) { - try { - return stream.node.mount.opts.fs.read( - stream.nfd, - buffer, - offset, - length, - position - ); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - write(stream, buffer, offset, length, position) { - try { - return stream.node.mount.opts.fs.write( - stream.nfd, - buffer, - offset, - length, - position - ); - } catch (e) { - if (!e.code) throw e; - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - }, - llseek(stream, offset, whence) { - var position = offset; - if (whence === 1) { - position += stream.position; - } else if (whence === 2) { - if (FS.isFile(stream.node.mode)) { - try { - var stat = stream.node.node_ops.getattr( - stream.node - ); - position += stat.size; - } catch (e) { - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - } - } - if (position < 0) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - return position; - }, - }, - }; - - var FS = { - root: null, - mounts: [], - devices: {}, - streams: [], - nextInode: 1, - nameTable: null, - currentPath: '/', - initialized: false, - ignorePermissions: true, - filesystems: null, - syncFSRequests: 0, - readFiles: {}, - ErrnoError: class { - name = 'ErrnoError'; - // We set the `name` property to be able to identify `FS.ErrnoError` - // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway. - // - when using PROXYFS, an error can come from an underlying FS - // as different FS objects have their own FS.ErrnoError each, - // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs. - // we'll use the reliable test `err.name == "ErrnoError"` instead - constructor(errno) { - this.errno = errno; - } - }, - FSStream: class { - shared = {}; - get object() { - return this.node; - } - set object(val) { - this.node = val; - } - get isRead() { - return (this.flags & 2097155) !== 1; - } - get isWrite() { - return (this.flags & 2097155) !== 0; - } - get isAppend() { - return this.flags & 1024; - } - get flags() { - return this.shared.flags; - } - set flags(val) { - this.shared.flags = val; - } - get position() { - return this.shared.position; - } - set position(val) { - this.shared.position = val; - } - }, - FSNode: class { - node_ops = {}; - stream_ops = {}; - readMode = 292 | 73; - writeMode = 146; - mounted = null; - constructor(parent, name, mode, rdev) { - if (!parent) { - parent = this; - } - this.parent = parent; - this.mount = parent.mount; - this.id = FS.nextInode++; - this.name = name; - this.mode = mode; - this.rdev = rdev; - this.atime = this.mtime = this.ctime = Date.now(); - } - get read() { - return (this.mode & this.readMode) === this.readMode; - } - set read(val) { - val - ? (this.mode |= this.readMode) - : (this.mode &= ~this.readMode); - } - get write() { - return (this.mode & this.writeMode) === this.writeMode; - } - set write(val) { - val - ? (this.mode |= this.writeMode) - : (this.mode &= ~this.writeMode); - } - get isFolder() { - return FS.isDir(this.mode); - } - get isDevice() { - return FS.isChrdev(this.mode); - } - }, - lookupPath(path, opts = {}) { - if (!path) { - throw new FS.ErrnoError(44); - } - opts.follow_mount ??= true; - if (!PATH.isAbs(path)) { - path = FS.cwd() + '/' + path; - } - // limit max consecutive symlinks to 40 (SYMLOOP_MAX). - linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) { - // split the absolute path - var parts = path.split('/').filter((p) => !!p); - // start at the root - var current = FS.root; - var current_path = '/'; - for (var i = 0; i < parts.length; i++) { - var islast = i === parts.length - 1; - if (islast && opts.parent) { - // stop resolving - break; - } - if (parts[i] === '.') { - continue; - } - if (parts[i] === '..') { - current_path = PATH.dirname(current_path); - current = current.parent; - continue; - } - current_path = PATH.join2(current_path, parts[i]); - try { - current = FS.lookupNode(current, parts[i]); - } catch (e) { - // if noent_okay is true, suppress a ENOENT in the last component - // and return an object with an undefined node. This is needed for - // resolving symlinks in the path when creating a file. - if (e?.errno === 44 && islast && opts.noent_okay) { - return { - path: current_path, - }; - } - throw e; - } - // jump to the mount's root node if this is a mountpoint - if ( - FS.isMountpoint(current) && - (!islast || opts.follow_mount) - ) { - current = current.mounted.root; - } - // by default, lookupPath will not follow a symlink if it is the final path component. - // setting opts.follow = true will override this behavior. - if (FS.isLink(current.mode) && (!islast || opts.follow)) { - if (!current.node_ops.readlink) { - throw new FS.ErrnoError(52); - } - var link = current.node_ops.readlink(current); - if (!PATH.isAbs(link)) { - link = PATH.dirname(current_path) + '/' + link; - } - path = link + '/' + parts.slice(i + 1).join('/'); - continue linkloop; - } - } - return { - path: current_path, - node: current, - }; - } - throw new FS.ErrnoError(32); - }, - getPath(node) { - var path; - while (true) { - if (FS.isRoot(node)) { - var mount = node.mount.mountpoint; - if (!path) return mount; - return mount[mount.length - 1] !== '/' - ? `${mount}/${path}` - : mount + path; - } - path = path ? `${node.name}/${path}` : node.name; - node = node.parent; - } - }, - hashName(parentid, name) { - var hash = 0; - for (var i = 0; i < name.length; i++) { - hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; - } - return ((parentid + hash) >>> 0) % FS.nameTable.length; - }, - hashAddNode(node) { - var hash = FS.hashName(node.parent.id, node.name); - node.name_next = FS.nameTable[hash]; - FS.nameTable[hash] = node; - }, - hashRemoveNode(node) { - var hash = FS.hashName(node.parent.id, node.name); - if (FS.nameTable[hash] === node) { - FS.nameTable[hash] = node.name_next; - } else { - var current = FS.nameTable[hash]; - while (current) { - if (current.name_next === node) { - current.name_next = node.name_next; - break; - } - current = current.name_next; - } - } - }, - lookupNode(parent, name) { - var errCode = FS.mayLookup(parent); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - var hash = FS.hashName(parent.id, name); - for (var node = FS.nameTable[hash]; node; node = node.name_next) { - var nodeName = node.name; - if (node.parent.id === parent.id && nodeName === name) { - return node; - } - } - // if we failed to find it in the cache, call into the VFS - return FS.lookup(parent, name); - }, - createNode(parent, name, mode, rdev) { - var node = new FS.FSNode(parent, name, mode, rdev); - FS.hashAddNode(node); - return node; - }, - destroyNode(node) { - FS.hashRemoveNode(node); - }, - isRoot(node) { - return node === node.parent; - }, - isMountpoint(node) { - return !!node.mounted; - }, - isFile(mode) { - return (mode & 61440) === 32768; - }, - isDir(mode) { - return (mode & 61440) === 16384; - }, - isLink(mode) { - return (mode & 61440) === 40960; - }, - isChrdev(mode) { - return (mode & 61440) === 8192; - }, - isBlkdev(mode) { - return (mode & 61440) === 24576; - }, - isFIFO(mode) { - return (mode & 61440) === 4096; - }, - isSocket(mode) { - return (mode & 49152) === 49152; - }, - flagsToPermissionString(flag) { - var perms = ['r', 'w', 'rw'][flag & 3]; - if (flag & 512) { - perms += 'w'; - } - return perms; - }, - nodePermissions(node, perms) { - if (FS.ignorePermissions) { - return 0; - } - // return 0 if any user, group or owner bits are set. - if (perms.includes('r') && !(node.mode & 292)) { - return 2; - } else if (perms.includes('w') && !(node.mode & 146)) { - return 2; - } else if (perms.includes('x') && !(node.mode & 73)) { - return 2; - } - return 0; - }, - mayLookup(dir) { - if (!FS.isDir(dir.mode)) return 54; - var errCode = FS.nodePermissions(dir, 'x'); - if (errCode) return errCode; - if (!dir.node_ops.lookup) return 2; - return 0; - }, - mayCreate(dir, name) { - if (!FS.isDir(dir.mode)) { - return 54; - } - try { - var node = FS.lookupNode(dir, name); - return 20; - } catch (e) {} - return FS.nodePermissions(dir, 'wx'); - }, - mayDelete(dir, name, isdir) { - var node; - try { - node = FS.lookupNode(dir, name); - } catch (e) { - return e.errno; - } - var errCode = FS.nodePermissions(dir, 'wx'); - if (errCode) { - return errCode; - } - if (isdir) { - if (!FS.isDir(node.mode)) { - return 54; - } - if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { - return 10; - } - } else { - if (FS.isDir(node.mode)) { - return 31; - } - } - return 0; - }, - mayOpen(node, flags) { - if (!node) { - return 44; - } - if (FS.isLink(node.mode)) { - return 32; - } else if (FS.isDir(node.mode)) { - if ( - FS.flagsToPermissionString(flags) !== 'r' || - flags & (512 | 64) - ) { - // TODO: check for O_SEARCH? (== search for dir only) - return 31; - } - } - return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); - }, - checkOpExists(op, err) { - if (!op) { - throw new FS.ErrnoError(err); - } - return op; - }, - MAX_OPEN_FDS: 4096, - nextfd() { - for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) { - if (!FS.streams[fd]) { - return fd; - } - } - throw new FS.ErrnoError(33); - }, - getStreamChecked(fd) { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } - return stream; - }, - getStream: (fd) => FS.streams[fd], - createStream(stream, fd = -1) { - // clone it, so we can return an instance of FSStream - stream = Object.assign(new FS.FSStream(), stream); - if (fd == -1) { - fd = FS.nextfd(); - } - stream.fd = fd; - FS.streams[fd] = stream; - return stream; - }, - closeStream(fd) { - FS.streams[fd] = null; - }, - dupStream(origStream, fd = -1) { - var stream = FS.createStream(origStream, fd); - stream.stream_ops?.dup?.(stream); - return stream; - }, - doSetAttr(stream, node, attr) { - var setattr = stream?.stream_ops.setattr; - var arg = setattr ? stream : node; - setattr ??= node.node_ops.setattr; - FS.checkOpExists(setattr, 63); - setattr(arg, attr); - }, - chrdev_stream_ops: { - open(stream) { - var device = FS.getDevice(stream.node.rdev); - // override node's stream ops with the device's - stream.stream_ops = device.stream_ops; - // forward the open call - stream.stream_ops.open?.(stream); - }, - llseek() { - throw new FS.ErrnoError(70); - }, - }, - major: (dev) => dev >> 8, - minor: (dev) => dev & 255, - makedev: (ma, mi) => (ma << 8) | mi, - registerDevice(dev, ops) { - FS.devices[dev] = { - stream_ops: ops, - }; - }, - getDevice: (dev) => FS.devices[dev], - getMounts(mount) { - var mounts = []; - var check = [mount]; - while (check.length) { - var m = check.pop(); - mounts.push(m); - check.push(...m.mounts); - } - return mounts; - }, - syncfs(populate, callback) { - if (typeof populate == 'function') { - callback = populate; - populate = false; - } - FS.syncFSRequests++; - if (FS.syncFSRequests > 1) { - err( - `warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work` - ); - } - var mounts = FS.getMounts(FS.root.mount); - var completed = 0; - function doCallback(errCode) { - FS.syncFSRequests--; - return callback(errCode); - } - function done(errCode) { - if (errCode) { - if (!done.errored) { - done.errored = true; - return doCallback(errCode); - } - return; - } - if (++completed >= mounts.length) { - doCallback(null); - } - } - // sync all mounts - mounts.forEach((mount) => { - if (!mount.type.syncfs) { - return done(null); - } - mount.type.syncfs(mount, populate, done); - }); - }, - mount(type, opts, mountpoint) { - var root = mountpoint === '/'; - var pseudo = !mountpoint; - var node; - if (root && FS.root) { - throw new FS.ErrnoError(10); - } else if (!root && !pseudo) { - var lookup = FS.lookupPath(mountpoint, { - follow_mount: false, - }); - mountpoint = lookup.path; - // use the absolute path - node = lookup.node; - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - if (!FS.isDir(node.mode)) { - throw new FS.ErrnoError(54); - } - } - var mount = { - type, - opts, - mountpoint, - mounts: [], - }; - // create a root node for the fs - var mountRoot = type.mount(mount); - mountRoot.mount = mount; - mount.root = mountRoot; - if (root) { - FS.root = mountRoot; - } else if (node) { - // set as a mountpoint - node.mounted = mount; - // add the new mount to the current mount's children - if (node.mount) { - node.mount.mounts.push(mount); - } - } - return mountRoot; - }, - unmount(mountpoint) { - var lookup = FS.lookupPath(mountpoint, { - follow_mount: false, - }); - if (!FS.isMountpoint(lookup.node)) { - throw new FS.ErrnoError(28); - } - // destroy the nodes for this mount, and all its child mounts - var node = lookup.node; - var mount = node.mounted; - var mounts = FS.getMounts(mount); - Object.keys(FS.nameTable).forEach((hash) => { - var current = FS.nameTable[hash]; - while (current) { - var next = current.name_next; - if (mounts.includes(current.mount)) { - FS.destroyNode(current); - } - current = next; - } - }); - // no longer a mountpoint - node.mounted = null; - // remove this mount from the child mounts - var idx = node.mount.mounts.indexOf(mount); - node.mount.mounts.splice(idx, 1); - }, - lookup(parent, name) { - return parent.node_ops.lookup(parent, name); - }, - mknod(path, mode, dev) { - var lookup = FS.lookupPath(path, { - parent: true, - }); - var parent = lookup.node; - var name = PATH.basename(path); - if (!name) { - throw new FS.ErrnoError(28); - } - if (name === '.' || name === '..') { - throw new FS.ErrnoError(20); - } - var errCode = FS.mayCreate(parent, name); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.mknod) { - throw new FS.ErrnoError(63); - } - return parent.node_ops.mknod(parent, name, mode, dev); - }, - statfs(path) { - return FS.statfsNode( - FS.lookupPath(path, { - follow: true, - }).node - ); - }, - statfsStream(stream) { - // We keep a separate statfsStream function because noderawfs overrides - // it. In noderawfs, stream.node is sometimes null. Instead, we need to - // look at stream.path. - return FS.statfsNode(stream.node); - }, - statfsNode(node) { - // NOTE: None of the defaults here are true. We're just returning safe and - // sane values. Currently nodefs and rawfs replace these defaults, - // other file systems leave them alone. - var rtn = { - bsize: 4096, - frsize: 4096, - blocks: 1e6, - bfree: 5e5, - bavail: 5e5, - files: FS.nextInode, - ffree: FS.nextInode - 1, - fsid: 42, - flags: 2, - namelen: 255, - }; - if (node.node_ops.statfs) { - Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root)); - } - return rtn; - }, - create(path, mode = 438) { - mode &= 4095; - mode |= 32768; - return FS.mknod(path, mode, 0); - }, - mkdir(path, mode = 511) { - mode &= 511 | 512; - mode |= 16384; - return FS.mknod(path, mode, 0); - }, - mkdirTree(path, mode) { - var dirs = path.split('/'); - var d = ''; - for (var dir of dirs) { - if (!dir) continue; - d += '/' + dir; - try { - FS.mkdir(d, mode); - } catch (e) { - if (e.errno != 20) throw e; - } - } - }, - mkdev(path, mode, dev) { - if (typeof dev == 'undefined') { - dev = mode; - mode = 438; - } - mode |= 8192; - return FS.mknod(path, mode, dev); - }, - symlink(oldpath, newpath) { - if (!PATH_FS.resolve(oldpath)) { - throw new FS.ErrnoError(44); - } - var lookup = FS.lookupPath(newpath, { - parent: true, - }); - var parent = lookup.node; - if (!parent) { - throw new FS.ErrnoError(44); - } - var newname = PATH.basename(newpath); - var errCode = FS.mayCreate(parent, newname); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.symlink) { - throw new FS.ErrnoError(63); - } - return parent.node_ops.symlink(parent, newname, oldpath); - }, - rename(old_path, new_path) { - var old_dirname = PATH.dirname(old_path); - var new_dirname = PATH.dirname(new_path); - var old_name = PATH.basename(old_path); - var new_name = PATH.basename(new_path); - // parents must exist - var lookup, old_dir, new_dir; - // let the errors from non existent directories percolate up - lookup = FS.lookupPath(old_path, { - parent: true, - }); - old_dir = lookup.node; - lookup = FS.lookupPath(new_path, { - parent: true, - }); - new_dir = lookup.node; - if (!old_dir || !new_dir) throw new FS.ErrnoError(44); - // need to be part of the same mount - if (old_dir.mount !== new_dir.mount) { - throw new FS.ErrnoError(75); - } - // source must exist - var old_node = FS.lookupNode(old_dir, old_name); - // old path should not be an ancestor of the new path - var relative = PATH_FS.relative(old_path, new_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(28); - } - // new path should not be an ancestor of the old path - relative = PATH_FS.relative(new_path, old_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(55); - } - // see if the new path already exists - var new_node; - try { - new_node = FS.lookupNode(new_dir, new_name); - } catch (e) {} - // early out if nothing needs to change - if (old_node === new_node) { - return; - } - // we'll need to delete the old entry - var isdir = FS.isDir(old_node.mode); - var errCode = FS.mayDelete(old_dir, old_name, isdir); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - // need delete permissions if we'll be overwriting. - // need create permissions if new doesn't already exist. - errCode = new_node - ? FS.mayDelete(new_dir, new_name, isdir) - : FS.mayCreate(new_dir, new_name); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!old_dir.node_ops.rename) { - throw new FS.ErrnoError(63); - } - if ( - FS.isMountpoint(old_node) || - (new_node && FS.isMountpoint(new_node)) - ) { - throw new FS.ErrnoError(10); - } - // if we are going to change the parent, check write permissions - if (new_dir !== old_dir) { - errCode = FS.nodePermissions(old_dir, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // remove the node from the lookup hash - FS.hashRemoveNode(old_node); - // do the underlying fs rename - try { - old_dir.node_ops.rename(old_node, new_dir, new_name); - // update old node (we do this here to avoid each backend - // needing to) - old_node.parent = new_dir; - } catch (e) { - throw e; - } finally { - // add the node back to the hash (in case node_ops.rename - // changed its name) - FS.hashAddNode(old_node); - } - }, - rmdir(path) { - var lookup = FS.lookupPath(path, { - parent: true, - }); - var parent = lookup.node; - var name = PATH.basename(path); - var node = FS.lookupNode(parent, name); - var errCode = FS.mayDelete(parent, name, true); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.rmdir) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - parent.node_ops.rmdir(parent, name); - FS.destroyNode(node); - }, - readdir(path) { - var lookup = FS.lookupPath(path, { - follow: true, - }); - var node = lookup.node; - var readdir = FS.checkOpExists(node.node_ops.readdir, 54); - return readdir(node); - }, - unlink(path) { - var lookup = FS.lookupPath(path, { - parent: true, - }); - var parent = lookup.node; - if (!parent) { - throw new FS.ErrnoError(44); - } - var name = PATH.basename(path); - var node = FS.lookupNode(parent, name); - var errCode = FS.mayDelete(parent, name, false); - if (errCode) { - // According to POSIX, we should map EISDIR to EPERM, but - // we instead do what Linux does (and we must, as we use - // the musl linux libc). - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.unlink) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - parent.node_ops.unlink(parent, name); - FS.destroyNode(node); - }, - readlink(path) { - var lookup = FS.lookupPath(path); - var link = lookup.node; - if (!link) { - throw new FS.ErrnoError(44); - } - if (!link.node_ops.readlink) { - throw new FS.ErrnoError(28); - } - return link.node_ops.readlink(link); - }, - stat(path, dontFollow) { - var lookup = FS.lookupPath(path, { - follow: !dontFollow, - }); - var node = lookup.node; - var getattr = FS.checkOpExists(node.node_ops.getattr, 63); - return getattr(node); - }, - fstat(fd) { - var stream = FS.getStreamChecked(fd); - var node = stream.node; - var getattr = stream.stream_ops.getattr; - var arg = getattr ? stream : node; - getattr ??= node.node_ops.getattr; - FS.checkOpExists(getattr, 63); - return getattr(arg); - }, - lstat(path) { - return FS.stat(path, true); - }, - doChmod(stream, node, mode, dontFollow) { - FS.doSetAttr(stream, node, { - mode: (mode & 4095) | (node.mode & ~4095), - ctime: Date.now(), - dontFollow, - }); - }, - chmod(path, mode, dontFollow) { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { - follow: !dontFollow, - }); - node = lookup.node; - } else { - node = path; - } - FS.doChmod(null, node, mode, dontFollow); - }, - lchmod(path, mode) { - FS.chmod(path, mode, true); - }, - fchmod(fd, mode) { - var stream = FS.getStreamChecked(fd); - FS.doChmod(stream, stream.node, mode, false); - }, - doChown(stream, node, dontFollow) { - FS.doSetAttr(stream, node, { - timestamp: Date.now(), - dontFollow, - }); - }, - chown(path, uid, gid, dontFollow) { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { - follow: !dontFollow, - }); - node = lookup.node; - } else { - node = path; - } - FS.doChown(null, node, dontFollow); - }, - lchown(path, uid, gid) { - FS.chown(path, uid, gid, true); - }, - fchown(fd, uid, gid) { - var stream = FS.getStreamChecked(fd); - FS.doChown(stream, stream.node, false); - }, - doTruncate(stream, node, len) { - if (FS.isDir(node.mode)) { - throw new FS.ErrnoError(31); - } - if (!FS.isFile(node.mode)) { - throw new FS.ErrnoError(28); - } - var errCode = FS.nodePermissions(node, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - FS.doSetAttr(stream, node, { - size: len, - timestamp: Date.now(), - }); - }, - truncate(path, len) { - if (len < 0) { - throw new FS.ErrnoError(28); - } - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { - follow: true, - }); - node = lookup.node; - } else { - node = path; - } - FS.doTruncate(null, node, len); - }, - ftruncate(fd, len) { - var stream = FS.getStreamChecked(fd); - if (len < 0 || (stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(28); - } - FS.doTruncate(stream, stream.node, len); - }, - utime(path, atime, mtime) { - var lookup = FS.lookupPath(path, { - follow: true, - }); - var node = lookup.node; - var setattr = FS.checkOpExists(node.node_ops.setattr, 63); - setattr(node, { - atime, - mtime, - }); - }, - open(path, flags, mode = 438) { - if (path === '') { - throw new FS.ErrnoError(44); - } - flags = - typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags; - if (flags & 64) { - mode = (mode & 4095) | 32768; - } else { - mode = 0; - } - var node; - var isDirPath; - if (typeof path == 'object') { - node = path; - } else { - isDirPath = path.endsWith('/'); - // noent_okay makes it so that if the final component of the path - // doesn't exist, lookupPath returns `node: undefined`. `path` will be - // updated to point to the target of all symlinks. - var lookup = FS.lookupPath(path, { - follow: !(flags & 131072), - noent_okay: true, - }); - node = lookup.node; - path = lookup.path; - } - // perhaps we need to create the node - var created = false; - if (flags & 64) { - if (node) { - // if O_CREAT and O_EXCL are set, error out if the node already exists - if (flags & 128) { - throw new FS.ErrnoError(20); - } - } else if (isDirPath) { - throw new FS.ErrnoError(31); - } else { - // node doesn't exist, try to create it - // Ignore the permission bits here to ensure we can `open` this new - // file below. We use chmod below the apply the permissions once the - // file is open. - node = FS.mknod(path, mode | 511, 0); - created = true; - } - } - if (!node) { - throw new FS.ErrnoError(44); - } - // can't truncate a device - if (FS.isChrdev(node.mode)) { - flags &= ~512; - } - // if asked only for a directory, then this must be one - if (flags & 65536 && !FS.isDir(node.mode)) { - throw new FS.ErrnoError(54); - } - // check permissions, if this is not a file we just created now (it is ok to - // create and write to a file with read-only permissions; it is read-only - // for later use) - if (!created) { - var errCode = FS.mayOpen(node, flags); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // do truncation if necessary - if (flags & 512 && !created) { - FS.truncate(node, 0); - } - // we've already handled these, don't pass down to the underlying vfs - flags &= ~(128 | 512 | 131072); - // register the stream with the filesystem - var stream = FS.createStream({ - node, - path: FS.getPath(node), - // we want the absolute path to the node - flags, - seekable: true, - position: 0, - stream_ops: node.stream_ops, - // used by the file family libc calls (fopen, fwrite, ferror, etc.) - ungotten: [], - error: false, - }); - // call the new stream's open function - if (stream.stream_ops.open) { - stream.stream_ops.open(stream); - } - if (created) { - FS.chmod(node, mode & 511); - } - if (Module['logReadFiles'] && !(flags & 1)) { - if (!(path in FS.readFiles)) { - FS.readFiles[path] = 1; - } - } - return stream; - }, - close(stream) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (stream.getdents) stream.getdents = null; - // free readdir state - try { - if (stream.stream_ops.close) { - stream.stream_ops.close(stream); - } - } catch (e) { - throw e; - } finally { - FS.closeStream(stream.fd); - } - stream.fd = null; - }, - isClosed(stream) { - return stream.fd === null; - }, - llseek(stream, offset, whence) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (!stream.seekable || !stream.stream_ops.llseek) { - throw new FS.ErrnoError(70); - } - if (whence != 0 && whence != 1 && whence != 2) { - throw new FS.ErrnoError(28); - } - stream.position = stream.stream_ops.llseek(stream, offset, whence); - stream.ungotten = []; - return stream.position; - }, - read(stream, buffer, offset, length, position) { - if (length < 0 || position < 0) { - throw new FS.ErrnoError(28); - } - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if ((stream.flags & 2097155) === 1) { - throw new FS.ErrnoError(8); - } - if (FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(31); - } - if (!stream.stream_ops.read) { - throw new FS.ErrnoError(28); - } - var seeking = typeof position != 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(70); - } - var bytesRead = stream.stream_ops.read( - stream, - buffer, - offset, - length, - position - ); - if (!seeking) stream.position += bytesRead; - return bytesRead; - }, - write(stream, buffer, offset, length, position, canOwn) { - if (length < 0 || position < 0) { - throw new FS.ErrnoError(28); - } - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(8); - } - if (FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(31); - } - if (!stream.stream_ops.write) { - throw new FS.ErrnoError(28); - } - if (stream.seekable && stream.flags & 1024) { - // seek to the end before writing in append mode - FS.llseek(stream, 0, 2); - } - var seeking = typeof position != 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(70); - } - var bytesWritten = stream.stream_ops.write( - stream, - buffer, - offset, - length, - position, - canOwn - ); - if (!seeking) stream.position += bytesWritten; - return bytesWritten; - }, - mmap(stream, length, position, prot, flags) { - // User requests writing to file (prot & PROT_WRITE != 0). - // Checking if we have permissions to write to the file unless - // MAP_PRIVATE flag is set. According to POSIX spec it is possible - // to write to file opened in read-only mode with MAP_PRIVATE flag, - // as all modifications will be visible only in the memory of - // the current process. - if ( - (prot & 2) !== 0 && - (flags & 2) === 0 && - (stream.flags & 2097155) !== 2 - ) { - throw new FS.ErrnoError(2); - } - if ((stream.flags & 2097155) === 1) { - throw new FS.ErrnoError(2); - } - if (!stream.stream_ops.mmap) { - throw new FS.ErrnoError(43); - } - if (!length) { - throw new FS.ErrnoError(28); - } - return stream.stream_ops.mmap( - stream, - length, - position, - prot, - flags - ); - }, - msync(stream, buffer, offset, length, mmapFlags) { - if (!stream.stream_ops.msync) { - return 0; - } - return stream.stream_ops.msync( - stream, - buffer, - offset, - length, - mmapFlags - ); - }, - ioctl(stream, cmd, arg) { - if (!stream.stream_ops.ioctl) { - throw new FS.ErrnoError(59); - } - return stream.stream_ops.ioctl(stream, cmd, arg); - }, - readFile(path, opts = {}) { - opts.flags = opts.flags || 0; - opts.encoding = opts.encoding || 'binary'; - if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { - throw new Error(`Invalid encoding type "${opts.encoding}"`); - } - var ret; - var stream = FS.open(path, opts.flags); - var stat = FS.stat(path); - var length = stat.size; - var buf = new Uint8Array(length); - FS.read(stream, buf, 0, length, 0); - if (opts.encoding === 'utf8') { - ret = UTF8ArrayToString(buf); - } else if (opts.encoding === 'binary') { - ret = buf; - } - FS.close(stream); - return ret; - }, - writeFile(path, data, opts = {}) { - opts.flags = opts.flags || 577; - var stream = FS.open(path, opts.flags, opts.mode); - if (typeof data == 'string') { - var buf = new Uint8Array(lengthBytesUTF8(data) + 1); - var actualNumBytes = stringToUTF8Array( - data, - buf, - 0, - buf.length - ); - FS.write( - stream, - buf, - 0, - actualNumBytes, - undefined, - opts.canOwn - ); - } else if (ArrayBuffer.isView(data)) { - FS.write( - stream, - data, - 0, - data.byteLength, - undefined, - opts.canOwn - ); - } else { - throw new Error('Unsupported data type'); - } - FS.close(stream); - }, - cwd: () => FS.currentPath, - chdir(path) { - var lookup = FS.lookupPath(path, { - follow: true, - }); - if (lookup.node === null) { - throw new FS.ErrnoError(44); - } - if (!FS.isDir(lookup.node.mode)) { - throw new FS.ErrnoError(54); - } - var errCode = FS.nodePermissions(lookup.node, 'x'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - FS.currentPath = lookup.path; - }, - createDefaultDirectories() { - FS.mkdir('/tmp'); - FS.mkdir('/home'); - FS.mkdir('/home/web_user'); - }, - createDefaultDevices() { - // create /dev - FS.mkdir('/dev'); - // setup /dev/null - FS.registerDevice(FS.makedev(1, 3), { - read: () => 0, - write: (stream, buffer, offset, length, pos) => length, - llseek: () => 0, - }); - FS.mkdev('/dev/null', FS.makedev(1, 3)); - // setup /dev/tty and /dev/tty1 - // stderr needs to print output using err() rather than out() - // so we register a second tty just for it. - TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); - TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); - FS.mkdev('/dev/tty', FS.makedev(5, 0)); - FS.mkdev('/dev/tty1', FS.makedev(6, 0)); - // setup /dev/[u]random - // use a buffer to avoid overhead of individual crypto calls per byte - var randomBuffer = new Uint8Array(1024), - randomLeft = 0; - var randomByte = () => { - if (randomLeft === 0) { - randomFill(randomBuffer); - randomLeft = randomBuffer.byteLength; - } - return randomBuffer[--randomLeft]; - }; - FS.createDevice('/dev', 'random', randomByte); - FS.createDevice('/dev', 'urandom', randomByte); - // we're not going to emulate the actual shm device, - // just create the tmp dirs that reside in it commonly - FS.mkdir('/dev/shm'); - FS.mkdir('/dev/shm/tmp'); - }, - createSpecialDirectories() { - // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the - // name of the stream for fd 6 (see test_unistd_ttyname) - FS.mkdir('/proc'); - var proc_self = FS.mkdir('/proc/self'); - FS.mkdir('/proc/self/fd'); - FS.mount( - { - mount() { - var node = FS.createNode(proc_self, 'fd', 16895, 73); - node.stream_ops = { - llseek: MEMFS.stream_ops.llseek, - }; - node.node_ops = { - lookup(parent, name) { - var fd = +name; - var stream = FS.getStreamChecked(fd); - var ret = { - parent: null, - mount: { - mountpoint: 'fake', - }, - node_ops: { - readlink: () => stream.path, - }, - id: fd + 1, - }; - ret.parent = ret; - // make it look like a simple root node - return ret; - }, - readdir() { - return Array.from(FS.streams.entries()) - .filter(([k, v]) => v) - .map(([k, v]) => k.toString()); - }, - }; - return node; - }, - }, - {}, - '/proc/self/fd' - ); - }, - createStandardStreams(input, output, error) { - // TODO deprecate the old functionality of a single - // input / output callback and that utilizes FS.createDevice - // and instead require a unique set of stream ops - // by default, we symlink the standard streams to the - // default tty devices. however, if the standard streams - // have been overwritten we create a unique device for - // them instead. - if (input) { - FS.createDevice('/dev', 'stdin', input); - } else { - FS.symlink('/dev/tty', '/dev/stdin'); - } - if (output) { - FS.createDevice('/dev', 'stdout', null, output); - } else { - FS.symlink('/dev/tty', '/dev/stdout'); - } - if (error) { - FS.createDevice('/dev', 'stderr', null, error); - } else { - FS.symlink('/dev/tty1', '/dev/stderr'); - } - // open default streams for the stdin, stdout and stderr devices - var stdin = FS.open('/dev/stdin', 0); - var stdout = FS.open('/dev/stdout', 1); - var stderr = FS.open('/dev/stderr', 1); - }, - staticInit() { - FS.nameTable = new Array(4096); - FS.mount(MEMFS, {}, '/'); - FS.createDefaultDirectories(); - FS.createDefaultDevices(); - FS.createSpecialDirectories(); - FS.filesystems = { - MEMFS: MEMFS, - NODEFS: NODEFS, - PROXYFS: PROXYFS, - }; - }, - init(input, output, error) { - FS.initialized = true; - // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here - input ??= Module['stdin']; - output ??= Module['stdout']; - error ??= Module['stderr']; - FS.createStandardStreams(input, output, error); - }, - quit() { - FS.initialized = false; - // force-flush all streams, so we get musl std streams printed out - _fflush(0); - // close all of our streams - for (var stream of FS.streams) { - if (stream) { - FS.close(stream); - } - } - }, - findObject(path, dontResolveLastLink) { - var ret = FS.analyzePath(path, dontResolveLastLink); - if (!ret.exists) { - return null; - } - return ret.object; - }, - analyzePath(path, dontResolveLastLink) { - // operate from within the context of the symlink's target - try { - var lookup = FS.lookupPath(path, { - follow: !dontResolveLastLink, - }); - path = lookup.path; - } catch (e) {} - var ret = { - isRoot: false, - exists: false, - error: 0, - name: null, - path: null, - object: null, - parentExists: false, - parentPath: null, - parentObject: null, - }; - try { - var lookup = FS.lookupPath(path, { - parent: true, - }); - ret.parentExists = true; - ret.parentPath = lookup.path; - ret.parentObject = lookup.node; - ret.name = PATH.basename(path); - lookup = FS.lookupPath(path, { - follow: !dontResolveLastLink, - }); - ret.exists = true; - ret.path = lookup.path; - ret.object = lookup.node; - ret.name = lookup.node.name; - ret.isRoot = lookup.path === '/'; - } catch (e) { - ret.error = e.errno; - } - return ret; - }, - createPath(parent, path, canRead, canWrite) { - parent = typeof parent == 'string' ? parent : FS.getPath(parent); - var parts = path.split('/').reverse(); - while (parts.length) { - var part = parts.pop(); - if (!part) continue; - var current = PATH.join2(parent, part); - try { - FS.mkdir(current); - } catch (e) { - if (e.errno != 20) throw e; - } - parent = current; - } - return current; - }, - createFile(parent, name, properties, canRead, canWrite) { - var path = PATH.join2( - typeof parent == 'string' ? parent : FS.getPath(parent), - name - ); - var mode = FS_getMode(canRead, canWrite); - return FS.create(path, mode); - }, - createDataFile(parent, name, data, canRead, canWrite, canOwn) { - var path = name; - if (parent) { - parent = - typeof parent == 'string' ? parent : FS.getPath(parent); - path = name ? PATH.join2(parent, name) : parent; - } - var mode = FS_getMode(canRead, canWrite); - var node = FS.create(path, mode); - if (data) { - if (typeof data == 'string') { - var arr = new Array(data.length); - for (var i = 0, len = data.length; i < len; ++i) - arr[i] = data.charCodeAt(i); - data = arr; - } - // make sure we can write to the file - FS.chmod(node, mode | 146); - var stream = FS.open(node, 577); - FS.write(stream, data, 0, data.length, 0, canOwn); - FS.close(stream); - FS.chmod(node, mode); - } - }, - createDevice(parent, name, input, output) { - var path = PATH.join2( - typeof parent == 'string' ? parent : FS.getPath(parent), - name - ); - var mode = FS_getMode(!!input, !!output); - FS.createDevice.major ??= 64; - var dev = FS.makedev(FS.createDevice.major++, 0); - // Create a fake device that a set of stream ops to emulate - // the old behavior. - FS.registerDevice(dev, { - open(stream) { - stream.seekable = false; - }, - close(stream) { - // flush any pending line data - if (output?.buffer?.length) { - output(10); - } - }, - read(stream, buffer, offset, length, pos) { - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = input(); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset + i] = result; - } - if (bytesRead) { - stream.node.atime = Date.now(); - } - return bytesRead; - }, - write(stream, buffer, offset, length, pos) { - for (var i = 0; i < length; i++) { - try { - output(buffer[offset + i]); - } catch (e) { - throw new FS.ErrnoError(29); - } - } - if (length) { - stream.node.mtime = stream.node.ctime = Date.now(); - } - return i; - }, - }); - return FS.mkdev(path, mode, dev); - }, - forceLoadFile(obj) { - if (obj.isDevice || obj.isFolder || obj.link || obj.contents) - return true; - if (typeof XMLHttpRequest != 'undefined') { - throw new Error( - 'Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.' - ); - } else { - // Command-line. - try { - obj.contents = readBinary(obj.url); - obj.usedBytes = obj.contents.length; - } catch (e) { - throw new FS.ErrnoError(29); - } - } - }, - createLazyFile(parent, name, url, canRead, canWrite) { - // Lazy chunked Uint8Array (implements get and length from Uint8Array). - // Actual getting is abstracted away for eventual reuse. - class LazyUint8Array { - lengthKnown = false; - chunks = []; - // Loaded chunks. Index is the chunk number - get(idx) { - if (idx > this.length - 1 || idx < 0) { - return undefined; - } - var chunkOffset = idx % this.chunkSize; - var chunkNum = (idx / this.chunkSize) | 0; - return this.getter(chunkNum)[chunkOffset]; - } - setDataGetter(getter) { - this.getter = getter; - } - cacheLength() { - // Find length - var xhr = new XMLHttpRequest(); - xhr.open('HEAD', url, false); - xhr.send(null); - if ( - !( - (xhr.status >= 200 && xhr.status < 300) || - xhr.status === 304 - ) - ) - throw new Error( - "Couldn't load " + url + '. Status: ' + xhr.status - ); - var datalength = Number( - xhr.getResponseHeader('Content-length') - ); - var header; - var hasByteServing = - (header = xhr.getResponseHeader('Accept-Ranges')) && - header === 'bytes'; - var usesGzip = - (header = xhr.getResponseHeader('Content-Encoding')) && - header === 'gzip'; - var chunkSize = 1024 * 1024; - // Chunk size in bytes - if (!hasByteServing) chunkSize = datalength; - // Function to get a range from the remote URL. - var doXHR = (from, to) => { - if (from > to) - throw new Error( - 'invalid range (' + - from + - ', ' + - to + - ') or no bytes requested!' - ); - if (to > datalength - 1) - throw new Error( - 'only ' + - datalength + - ' bytes available! programmer error!' - ); - // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - if (datalength !== chunkSize) - xhr.setRequestHeader( - 'Range', - 'bytes=' + from + '-' + to - ); - // Some hints to the browser that we want binary data. - xhr.responseType = 'arraybuffer'; - if (xhr.overrideMimeType) { - xhr.overrideMimeType( - 'text/plain; charset=x-user-defined' - ); - } - xhr.send(null); - if ( - !( - (xhr.status >= 200 && xhr.status < 300) || - xhr.status === 304 - ) - ) - throw new Error( - "Couldn't load " + - url + - '. Status: ' + - xhr.status - ); - if (xhr.response !== undefined) { - return new Uint8Array( - /** @type{Array} */ (xhr.response || []) - ); - } - return intArrayFromString(xhr.responseText || '', true); - }; - var lazyArray = this; - lazyArray.setDataGetter((chunkNum) => { - var start = chunkNum * chunkSize; - var end = (chunkNum + 1) * chunkSize - 1; - // including this byte - end = Math.min(end, datalength - 1); - // if datalength-1 is selected, this is the last block - if (typeof lazyArray.chunks[chunkNum] == 'undefined') { - lazyArray.chunks[chunkNum] = doXHR(start, end); - } - if (typeof lazyArray.chunks[chunkNum] == 'undefined') - throw new Error('doXHR failed!'); - return lazyArray.chunks[chunkNum]; - }); - if (usesGzip || !datalength) { - // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length - chunkSize = datalength = 1; - // this will force getter(0)/doXHR do download the whole file - datalength = this.getter(0).length; - chunkSize = datalength; - out( - 'LazyFiles on gzip forces download of the whole file when length is accessed' - ); - } - this._length = datalength; - this._chunkSize = chunkSize; - this.lengthKnown = true; - } - get length() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._length; - } - get chunkSize() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._chunkSize; - } - } - if (typeof XMLHttpRequest != 'undefined') { - if (!ENVIRONMENT_IS_WORKER) - throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; - var lazyArray = new LazyUint8Array(); - var properties = { - isDevice: false, - contents: lazyArray, - }; - } else { - var properties = { - isDevice: false, - url, - }; - } - var node = FS.createFile( - parent, - name, - properties, - canRead, - canWrite - ); - // This is a total hack, but I want to get this lazy file code out of the - // core of MEMFS. If we want to keep this lazy file concept I feel it should - // be its own thin LAZYFS proxying calls to MEMFS. - if (properties.contents) { - node.contents = properties.contents; - } else if (properties.url) { - node.contents = null; - node.url = properties.url; - } - // Add a function that defers querying the file size until it is asked the first time. - Object.defineProperties(node, { - usedBytes: { - get: function () { - return this.contents.length; - }, - }, - }); - // override each stream op with one that tries to force load the lazy file first - var stream_ops = {}; - var keys = Object.keys(node.stream_ops); - keys.forEach((key) => { - var fn = node.stream_ops[key]; - stream_ops[key] = (...args) => { - FS.forceLoadFile(node); - return fn(...args); - }; - }); - function writeChunks(stream, buffer, offset, length, position) { - var contents = stream.node.contents; - if (position >= contents.length) return 0; - var size = Math.min(contents.length - position, length); - if (contents.slice) { - // normal array - for (var i = 0; i < size; i++) { - buffer[offset + i] = contents[position + i]; - } - } else { - for (var i = 0; i < size; i++) { - // LazyUint8Array from sync binary XHR - buffer[offset + i] = contents.get(position + i); - } - } - return size; - } - // use a custom read function - stream_ops.read = (stream, buffer, offset, length, position) => { - FS.forceLoadFile(node); - return writeChunks(stream, buffer, offset, length, position); - }; - // use a custom mmap function - stream_ops.mmap = (stream, length, position, prot, flags) => { - FS.forceLoadFile(node); - var ptr = mmapAlloc(length); - if (!ptr) { - throw new FS.ErrnoError(48); - } - writeChunks(stream, HEAP8, ptr, length, position); - return { - ptr, - allocated: true, - }; - }; - node.stream_ops = stream_ops; - return node; - }, - }; - - Module['FS'] = FS; - - var SOCKFS = { - websocketArgs: {}, - callbacks: {}, - on(event, callback) { - SOCKFS.callbacks[event] = callback; - }, - emit(event, param) { - SOCKFS.callbacks[event]?.(param); - }, - mount(mount) { - // The incomming Module['websocket'] can be used for configuring - // configuring subprotocol/url, etc - SOCKFS.websocketArgs = Module['websocket'] || {}; - // Add the Event registration mechanism to the exported websocket configuration - // object so we can register network callbacks from native JavaScript too. - // For more documentation see system/include/emscripten/emscripten.h - (Module['websocket'] ??= {})['on'] = SOCKFS.on; - return FS.createNode(null, '/', 16895, 0); - }, - createSocket(family, type, protocol) { - type &= ~526336; - // Some applications may pass it; it makes no sense for a single process. - var streaming = type == 1; - if (streaming && protocol && protocol != 6) { - throw new FS.ErrnoError(66); - } - // create our internal socket structure - var sock = { - family, - type, - protocol, - server: null, - error: null, - // Used in getsockopt for SOL_SOCKET/SO_ERROR test - peers: {}, - pending: [], - recv_queue: [], - sock_ops: SOCKFS.websocket_sock_ops, - }; - // create the filesystem node to store the socket structure - var name = SOCKFS.nextname(); - var node = FS.createNode(SOCKFS.root, name, 49152, 0); - node.sock = sock; - // and the wrapping stream that enables library functions such - // as read and write to indirectly interact with the socket - var stream = FS.createStream({ - path: name, - node, - flags: 2, - seekable: false, - stream_ops: SOCKFS.stream_ops, - }); - // map the new stream to the socket structure (sockets have a 1:1 - // relationship with a stream) - sock.stream = stream; - return sock; - }, - getSocket(fd) { - var stream = FS.getStream(fd); - if (!stream || !FS.isSocket(stream.node.mode)) { - return null; - } - return stream.node.sock; - }, - stream_ops: { - poll(stream) { - var sock = stream.node.sock; - return sock.sock_ops.poll(sock); - }, - ioctl(stream, request, varargs) { - var sock = stream.node.sock; - return sock.sock_ops.ioctl(sock, request, varargs); - }, - read(stream, buffer, offset, length, position) { - var sock = stream.node.sock; - var msg = sock.sock_ops.recvmsg(sock, length); - if (!msg) { - // socket is closed - return 0; - } - buffer.set(msg.buffer, offset); - return msg.buffer.length; - }, - write(stream, buffer, offset, length, position) { - var sock = stream.node.sock; - return sock.sock_ops.sendmsg(sock, buffer, offset, length); - }, - close(stream) { - var sock = stream.node.sock; - sock.sock_ops.close(sock); - }, - }, - nextname() { - if (!SOCKFS.nextname.current) { - SOCKFS.nextname.current = 0; - } - return `socket[${SOCKFS.nextname.current++}]`; - }, - websocket_sock_ops: { - createPeer(sock, addr, port) { - var ws; - if (typeof addr == 'object') { - ws = addr; - addr = null; - port = null; - } - if (ws) { - // for sockets that've already connected (e.g. we're the server) - // we can inspect the _socket property for the address - if (ws._socket) { - addr = ws._socket.remoteAddress; - port = ws._socket.remotePort; - } else { - var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url); - if (!result) { - throw new Error( - 'WebSocket URL must be in the format ws(s)://address:port' - ); - } - addr = result[1]; - port = parseInt(result[2], 10); - } - } else { - // create the actual websocket object and connect - try { - // The default value is 'ws://' the replace is needed because the compiler replaces '//' comments with '#' - // comments without checking context, so we'd end up with ws:#, the replace swaps the '#' for '//' again. - var url = 'ws://'.replace('#', '//'); - // Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default to binary if no configuration is set. - var subProtocols = 'binary'; - // The default value is 'binary' - // The default WebSocket options - var opts = undefined; - // Fetch runtime WebSocket URL config. - if ('function' === typeof SOCKFS.websocketArgs['url']) { - url = SOCKFS.websocketArgs['url'](...arguments); - } else if ( - 'string' === typeof SOCKFS.websocketArgs['url'] - ) { - url = SOCKFS.websocketArgs['url']; - } - // Fetch runtime WebSocket subprotocol config. - if (SOCKFS.websocketArgs['subprotocol']) { - subProtocols = SOCKFS.websocketArgs['subprotocol']; - } else if ( - SOCKFS.websocketArgs['subprotocol'] === null - ) { - subProtocols = 'null'; - } - if (url === 'ws://' || url === 'wss://') { - // Is the supplied URL config just a prefix, if so complete it. - var parts = addr.split('/'); - url = - url + - parts[0] + - ':' + - port + - '/' + - parts.slice(1).join('/'); - } - if (subProtocols !== 'null') { - // The regex trims the string (removes spaces at the beginning and end, then splits the string by - // , into an Array. Whitespace removal is important for Websockify and ws. - subProtocols = subProtocols - .replace(/^ +| +$/g, '') - .split(/ *, */); - opts = subProtocols; - } - // If node we use the ws library. - var WebSocketConstructor; - if (ENVIRONMENT_IS_NODE) { - WebSocketConstructor = - /** @type{(typeof WebSocket)} */ ( - require('ws') - ); - } else { - WebSocketConstructor = WebSocket; - } - if (Module['websocket']['decorator']) { - WebSocketConstructor = - Module['websocket']['decorator']( - WebSocketConstructor - ); - } - ws = new WebSocketConstructor(url, opts); - ws.binaryType = 'arraybuffer'; - } catch (e) { - throw new FS.ErrnoError(23); - } - } - var peer = { - addr, - port, - socket: ws, - msg_send_queue: [], - }; - SOCKFS.websocket_sock_ops.addPeer(sock, peer); - SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer); - // if this is a bound dgram socket, send the port number first to allow - // us to override the ephemeral port reported to us by remotePort on the - // remote end. - if (sock.type === 2 && typeof sock.sport != 'undefined') { - peer.msg_send_queue.push( - new Uint8Array([ - 255, - 255, - 255, - 255, - 'p'.charCodeAt(0), - 'o'.charCodeAt(0), - 'r'.charCodeAt(0), - 't'.charCodeAt(0), - (sock.sport & 65280) >> 8, - sock.sport & 255, - ]) - ); - } - return peer; - }, - getPeer(sock, addr, port) { - return sock.peers[addr + ':' + port]; - }, - addPeer(sock, peer) { - sock.peers[peer.addr + ':' + peer.port] = peer; - }, - removePeer(sock, peer) { - delete sock.peers[peer.addr + ':' + peer.port]; - }, - handlePeerEvents(sock, peer) { - var first = true; - var handleOpen = function () { - sock.connecting = false; - SOCKFS.emit('open', sock.stream.fd); - try { - var queued = peer.msg_send_queue.shift(); - while (queued) { - peer.socket.send(queued); - queued = peer.msg_send_queue.shift(); - } - } catch (e) { - // not much we can do here in the way of proper error handling as we've already - // lied and said this data was sent. shut it down. - peer.socket.close(); - } - }; - function handleMessage(data) { - if (typeof data == 'string') { - var encoder = new TextEncoder(); - // should be utf-8 - data = encoder.encode(data); - } else { - assert(data.byteLength !== undefined); - // must receive an ArrayBuffer - if (data.byteLength == 0) { - // An empty ArrayBuffer will emit a pseudo disconnect event - // as recv/recvmsg will return zero which indicates that a socket - // has performed a shutdown although the connection has not been disconnected yet. - return; - } - data = new Uint8Array(data); - } - // if this is the port message, override the peer's port with it - var wasfirst = first; - first = false; - if ( - wasfirst && - data.length === 10 && - data[0] === 255 && - data[1] === 255 && - data[2] === 255 && - data[3] === 255 && - data[4] === 'p'.charCodeAt(0) && - data[5] === 'o'.charCodeAt(0) && - data[6] === 'r'.charCodeAt(0) && - data[7] === 't'.charCodeAt(0) - ) { - // update the peer's port and it's key in the peer map - var newport = (data[8] << 8) | data[9]; - SOCKFS.websocket_sock_ops.removePeer(sock, peer); - peer.port = newport; - SOCKFS.websocket_sock_ops.addPeer(sock, peer); - return; - } - sock.recv_queue.push({ - addr: peer.addr, - port: peer.port, - data, - }); - SOCKFS.emit('message', sock.stream.fd); - } - if (ENVIRONMENT_IS_NODE) { - peer.socket.on('open', handleOpen); - peer.socket.on('message', function (data, isBinary) { - if (!isBinary) { - return; - } - handleMessage(new Uint8Array(data).buffer); - }); - peer.socket.on('close', function () { - SOCKFS.emit('close', sock.stream.fd); - }); - peer.socket.on('error', function (error) { - // Although the ws library may pass errors that may be more descriptive than - // ECONNREFUSED they are not necessarily the expected error code e.g. - // ENOTFOUND on getaddrinfo seems to be node.js specific, so using ECONNREFUSED - // is still probably the most useful thing to do. - sock.error = 14; - // Used in getsockopt for SOL_SOCKET/SO_ERROR test. - SOCKFS.emit('error', [ - sock.stream.fd, - sock.error, - 'ECONNREFUSED: Connection refused', - ]); - }); - } else { - peer.socket.onopen = handleOpen; - peer.socket.onclose = function () { - SOCKFS.emit('close', sock.stream.fd); - }; - peer.socket.onmessage = function peer_socket_onmessage( - event - ) { - handleMessage(event.data); - }; - peer.socket.onerror = function (error) { - // The WebSocket spec only allows a 'simple event' to be thrown on error, - // so we only really know as much as ECONNREFUSED. - sock.error = 14; - // Used in getsockopt for SOL_SOCKET/SO_ERROR test. - SOCKFS.emit('error', [ - sock.stream.fd, - sock.error, - 'ECONNREFUSED: Connection refused', - ]); - }; - } - }, - poll(sock) { - if (sock.type === 1 && sock.server) { - // listen sockets should only say they're available for reading - // if there are pending clients. - return sock.pending.length ? 64 | 1 : 0; - } - var mask = 0; - var dest = - sock.type === 1 // we only care about the socket state for connection-based sockets - ? SOCKFS.websocket_sock_ops.getPeer( - sock, - sock.daddr, - sock.dport - ) - : null; - if ( - sock.recv_queue.length || - !dest || // connection-less sockets are always ready to read - (dest && dest.socket.readyState === dest.socket.CLOSING) || - (dest && dest.socket.readyState === dest.socket.CLOSED) - ) { - // let recv return 0 once closed - mask |= 64 | 1; - } - if ( - !dest || // connection-less sockets are always ready to write - (dest && dest.socket.readyState === dest.socket.OPEN) - ) { - mask |= 4; - } - if ( - (dest && dest.socket.readyState === dest.socket.CLOSING) || - (dest && dest.socket.readyState === dest.socket.CLOSED) - ) { - // When an non-blocking connect fails mark the socket as writable. - // Its up to the calling code to then use getsockopt with SO_ERROR to - // retrieve the error. - // See https://man7.org/linux/man-pages/man2/connect.2.html - if (sock.connecting) { - mask |= 4; - } else { - mask |= 16; - } - } - return mask; - }, - ioctl(sock, request, arg) { - switch (request) { - case 21531: - var bytes = 0; - if (sock.recv_queue.length) { - bytes = sock.recv_queue[0].data.length; - } - HEAP32[arg >> 2] = bytes; - return 0; - - default: - return 28; - } - }, - close(sock) { - // if we've spawned a listen server, close it - if (sock.server) { - try { - sock.server.close(); - } catch (e) {} - sock.server = null; - } - // close any peer connections - for (var peer of Object.values(sock.peers)) { - try { - peer.socket.close(); - } catch (e) {} - SOCKFS.websocket_sock_ops.removePeer(sock, peer); - } - return 0; - }, - bind(sock, addr, port) { - if ( - typeof sock.saddr != 'undefined' || - typeof sock.sport != 'undefined' - ) { - throw new FS.ErrnoError(28); - } - sock.saddr = addr; - sock.sport = port; - // in order to emulate dgram sockets, we need to launch a listen server when - // binding on a connection-less socket - // note: this is only required on the server side - if (sock.type === 2) { - // close the existing server if it exists - if (sock.server) { - sock.server.close(); - sock.server = null; - } - // swallow error operation not supported error that occurs when binding in the - // browser where this isn't supported - try { - sock.sock_ops.listen(sock, 0); - } catch (e) { - if (!(e.name === 'ErrnoError')) throw e; - if (e.errno !== 138) throw e; - } - } - }, - connect(sock, addr, port) { - if (sock.server) { - throw new FS.ErrnoError(138); - } - // TODO autobind - // if (!sock.addr && sock.type == 2) { - // } - // early out if we're already connected / in the middle of connecting - if ( - typeof sock.daddr != 'undefined' && - typeof sock.dport != 'undefined' - ) { - var dest = SOCKFS.websocket_sock_ops.getPeer( - sock, - sock.daddr, - sock.dport - ); - if (dest) { - if (dest.socket.readyState === dest.socket.CONNECTING) { - throw new FS.ErrnoError(7); - } else { - throw new FS.ErrnoError(30); - } - } - } - // add the socket to our peer list and set our - // destination address / port to match - var peer = SOCKFS.websocket_sock_ops.createPeer( - sock, - addr, - port - ); - sock.daddr = peer.addr; - sock.dport = peer.port; - // because we cannot synchronously block to wait for the WebSocket - // connection to complete, we return here pretending that the connection - // was a success. - sock.connecting = true; - }, - listen(sock, backlog) { - if (!ENVIRONMENT_IS_NODE) { - throw new FS.ErrnoError(138); - } - if (sock.server) { - throw new FS.ErrnoError(28); - } - var WebSocketServer = require('ws').Server; - var host = sock.saddr; - if (Module['websocket']['serverDecorator']) { - WebSocketServer = - Module['websocket']['serverDecorator'](WebSocketServer); - } - sock.server = new WebSocketServer({ - host, - port: sock.sport, - }); - SOCKFS.emit('listen', sock.stream.fd); - // Send Event with listen fd. - sock.server.on('connection', function (ws) { - if (sock.type === 1) { - var newsock = SOCKFS.createSocket( - sock.family, - sock.type, - sock.protocol - ); - // create a peer on the new socket - var peer = SOCKFS.websocket_sock_ops.createPeer( - newsock, - ws - ); - newsock.daddr = peer.addr; - newsock.dport = peer.port; - // push to queue for accept to pick up - sock.pending.push(newsock); - SOCKFS.emit('connection', newsock.stream.fd); - } else { - // create a peer on the listen socket so calling sendto - // with the listen socket and an address will resolve - // to the correct client - SOCKFS.websocket_sock_ops.createPeer(sock, ws); - SOCKFS.emit('connection', sock.stream.fd); - } - }); - sock.server.on('close', function () { - SOCKFS.emit('close', sock.stream.fd); - sock.server = null; - }); - sock.server.on('error', function (error) { - // Although the ws library may pass errors that may be more descriptive than - // ECONNREFUSED they are not necessarily the expected error code e.g. - // ENOTFOUND on getaddrinfo seems to be node.js specific, so using EHOSTUNREACH - // is still probably the most useful thing to do. This error shouldn't - // occur in a well written app as errors should get trapped in the compiled - // app's own getaddrinfo call. - sock.error = 23; - // Used in getsockopt for SOL_SOCKET/SO_ERROR test. - SOCKFS.emit('error', [ - sock.stream.fd, - sock.error, - 'EHOSTUNREACH: Host is unreachable', - ]); - }); - }, - accept(listensock) { - if (!listensock.server || !listensock.pending.length) { - throw new FS.ErrnoError(28); - } - var newsock = listensock.pending.shift(); - newsock.stream.flags = listensock.stream.flags; - return newsock; - }, - getname(sock, peer) { - var addr, port; - if (peer) { - if (sock.daddr === undefined || sock.dport === undefined) { - throw new FS.ErrnoError(53); - } - addr = sock.daddr; - port = sock.dport; - } else { - // TODO saddr and sport will be set for bind()'d UDP sockets, but what - // should we be returning for TCP sockets that've been connect()'d? - addr = sock.saddr || 0; - port = sock.sport || 0; - } - return { - addr, - port, - }; - }, - sendmsg(sock, buffer, offset, length, addr, port) { - if (sock.type === 2) { - // connection-less sockets will honor the message address, - // and otherwise fall back to the bound destination address - if (addr === undefined || port === undefined) { - addr = sock.daddr; - port = sock.dport; - } - // if there was no address to fall back to, error out - if (addr === undefined || port === undefined) { - throw new FS.ErrnoError(17); - } - } else { - // connection-based sockets will only use the bound - addr = sock.daddr; - port = sock.dport; - } - // find the peer for the destination address - var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port); - // early out if not connected with a connection-based socket - if (sock.type === 1) { - if ( - !dest || - dest.socket.readyState === dest.socket.CLOSING || - dest.socket.readyState === dest.socket.CLOSED - ) { - throw new FS.ErrnoError(53); - } - } - // create a copy of the incoming data to send, as the WebSocket API - // doesn't work entirely with an ArrayBufferView, it'll just send - // the entire underlying buffer - if (ArrayBuffer.isView(buffer)) { - offset += buffer.byteOffset; - buffer = buffer.buffer; - } - var data = buffer.slice(offset, offset + length); - // if we don't have a cached connectionless UDP datagram connection, or - // the TCP socket is still connecting, queue the message to be sent upon - // connect, and lie, saying the data was sent now. - if (!dest || dest.socket.readyState !== dest.socket.OPEN) { - // if we're not connected, open a new connection - if (sock.type === 2) { - if ( - !dest || - dest.socket.readyState === dest.socket.CLOSING || - dest.socket.readyState === dest.socket.CLOSED - ) { - dest = SOCKFS.websocket_sock_ops.createPeer( - sock, - addr, - port - ); - } - } - dest.msg_send_queue.push(data); - return length; - } - try { - // send the actual data - dest.socket.send(data); - return length; - } catch (e) { - throw new FS.ErrnoError(28); - } - }, - recvmsg(sock, length, flags) { - // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html - if (sock.type === 1 && sock.server) { - // tcp servers should not be recv()'ing on the listen socket - throw new FS.ErrnoError(53); - } - var queued = sock.recv_queue.shift(); - if (!queued) { - if (sock.type === 1) { - var dest = SOCKFS.websocket_sock_ops.getPeer( - sock, - sock.daddr, - sock.dport - ); - if (!dest) { - // if we have a destination address but are not connected, error out - throw new FS.ErrnoError(53); - } - if ( - dest.socket.readyState === dest.socket.CLOSING || - dest.socket.readyState === dest.socket.CLOSED - ) { - // return null if the socket has closed - return null; - } - // else, our socket is in a valid state but truly has nothing available - throw new FS.ErrnoError(6); - } - throw new FS.ErrnoError(6); - } - // queued.data will be an ArrayBuffer if it's unadulterated, but if it's - // requeued TCP data it'll be an ArrayBufferView - var queuedLength = queued.data.byteLength || queued.data.length; - var queuedOffset = queued.data.byteOffset || 0; - var queuedBuffer = queued.data.buffer || queued.data; - var bytesRead = Math.min(length, queuedLength); - var res = { - buffer: new Uint8Array( - queuedBuffer, - queuedOffset, - bytesRead - ), - addr: queued.addr, - port: queued.port, - }; - // push back any unread data for TCP connections - if (flags & 2) { - bytesRead = 0; - } - if (sock.type === 1 && bytesRead < queuedLength) { - var bytesRemaining = queuedLength - bytesRead; - queued.data = new Uint8Array( - queuedBuffer, - queuedOffset + bytesRead, - bytesRemaining - ); - sock.recv_queue.unshift(queued); - } - return res; - }, - }, - }; - - var getSocketFromFD = (fd) => { - var socket = SOCKFS.getSocket(fd); - if (!socket) throw new FS.ErrnoError(8); - return socket; - }; - - var inetPton4 = (str) => { - var b = str.split('.'); - for (var i = 0; i < 4; i++) { - var tmp = Number(b[i]); - if (isNaN(tmp)) return null; - b[i] = tmp; - } - return (b[0] | (b[1] << 8) | (b[2] << 16) | (b[3] << 24)) >>> 0; - }; - - var inetPton6 = (str) => { - var words; - var w, offset, z; - /* http://home.deds.nl/~aeron/regex/ */ var valid6regx = - /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i; - var parts = []; - if (!valid6regx.test(str)) { - return null; - } - if (str === '::') { - return [0, 0, 0, 0, 0, 0, 0, 0]; - } - // Z placeholder to keep track of zeros when splitting the string on ":" - if (str.startsWith('::')) { - str = str.replace('::', 'Z:'); - } else { - str = str.replace('::', ':Z:'); - } - if (str.indexOf('.') > 0) { - // parse IPv4 embedded stress - str = str.replace(new RegExp('[.]', 'g'), ':'); - words = str.split(':'); - words[words.length - 4] = - Number(words[words.length - 4]) + - Number(words[words.length - 3]) * 256; - words[words.length - 3] = - Number(words[words.length - 2]) + - Number(words[words.length - 1]) * 256; - words = words.slice(0, words.length - 2); - } else { - words = str.split(':'); - } - offset = 0; - z = 0; - for (w = 0; w < words.length; w++) { - if (typeof words[w] == 'string') { - if (words[w] === 'Z') { - // compressed zeros - write appropriate number of zero words - for (z = 0; z < 8 - words.length + 1; z++) { - parts[w + z] = 0; - } - offset = z - 1; - } else { - // parse hex to field to 16-bit value and write it in network byte-order - parts[w + offset] = _htons(parseInt(words[w], 16)); - } - } else { - // parsed IPv4 words - parts[w + offset] = words[w]; - } - } - return [ - (parts[1] << 16) | parts[0], - (parts[3] << 16) | parts[2], - (parts[5] << 16) | parts[4], - (parts[7] << 16) | parts[6], - ]; - }; - - /** @param {number=} addrlen */ var writeSockaddr = ( - sa, - family, - addr, - port, - addrlen - ) => { - switch (family) { - case 2: - addr = inetPton4(addr); - zeroMemory(sa, 16); - if (addrlen) { - HEAP32[addrlen >> 2] = 16; - } - HEAP16[sa >> 1] = family; - HEAP32[(sa + 4) >> 2] = addr; - HEAP16[(sa + 2) >> 1] = _htons(port); - break; - - case 10: - addr = inetPton6(addr); - zeroMemory(sa, 28); - if (addrlen) { - HEAP32[addrlen >> 2] = 28; - } - HEAP32[sa >> 2] = family; - HEAP32[(sa + 8) >> 2] = addr[0]; - HEAP32[(sa + 12) >> 2] = addr[1]; - HEAP32[(sa + 16) >> 2] = addr[2]; - HEAP32[(sa + 20) >> 2] = addr[3]; - HEAP16[(sa + 2) >> 1] = _htons(port); - break; - - default: - return 5; - } - return 0; - }; - - var DNS = { - address_map: { - id: 1, - addrs: {}, - names: {}, - }, - lookup_name(name) { - // If the name is already a valid ipv4 / ipv6 address, don't generate a fake one. - var res = inetPton4(name); - if (res !== null) { - return name; - } - res = inetPton6(name); - if (res !== null) { - return name; - } - // See if this name is already mapped. - var addr; - if (DNS.address_map.addrs[name]) { - addr = DNS.address_map.addrs[name]; - } else { - var id = DNS.address_map.id++; - assert(id < 65535, 'exceeded max address mappings of 65535'); - addr = '172.29.' + (id & 255) + '.' + (id & 65280); - DNS.address_map.names[addr] = name; - DNS.address_map.addrs[name] = addr; - } - return addr; - }, - lookup_addr(addr) { - if (DNS.address_map.names[addr]) { - return DNS.address_map.names[addr]; - } - return null; - }, - }; - - function ___syscall_accept4(fd, addr, addrlen, flags, d1, d2) { - try { - var sock = getSocketFromFD(fd); - var newsock = sock.sock_ops.accept(sock); - if (addr) { - var errno = writeSockaddr( - addr, - newsock.family, - DNS.lookup_name(newsock.daddr), - newsock.dport, - addrlen - ); - } - return newsock.stream.fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } +// end include: preamble.js +// Begin JS library code +class ExitStatus { + name="ExitStatus"; + constructor(status) { + this.message = `Program terminated with exit(${status})`; + this.status = status; + } +} +ExitStatus = class PHPExitStatus extends Error { + constructor(status) { + super(status); + this.name = 'ExitStatus'; + this.message = 'Program terminated with exit(' + status + ')'; + this.status = status; } +}; - var inetNtop4 = (addr) => - (addr & 255) + - '.' + - ((addr >> 8) & 255) + - '.' + - ((addr >> 16) & 255) + - '.' + - ((addr >> 24) & 255); - - var inetNtop6 = (ints) => { - // ref: http://www.ietf.org/rfc/rfc2373.txt - section 2.5.4 - // Format for IPv4 compatible and mapped 128-bit IPv6 Addresses - // 128-bits are split into eight 16-bit words - // stored in network byte order (big-endian) - // | 80 bits | 16 | 32 bits | - // +-----------------------------------------------------------------+ - // | 10 bytes | 2 | 4 bytes | - // +--------------------------------------+--------------------------+ - // + 5 words | 1 | 2 words | - // +--------------------------------------+--------------------------+ - // |0000..............................0000|0000| IPv4 ADDRESS | (compatible) - // +--------------------------------------+----+---------------------+ - // |0000..............................0000|FFFF| IPv4 ADDRESS | (mapped) - // +--------------------------------------+----+---------------------+ - var str = ''; - var word = 0; - var longest = 0; - var lastzero = 0; - var zstart = 0; - var len = 0; - var i = 0; - var parts = [ - ints[0] & 65535, - ints[0] >> 16, - ints[1] & 65535, - ints[1] >> 16, - ints[2] & 65535, - ints[2] >> 16, - ints[3] & 65535, - ints[3] >> 16, - ]; - // Handle IPv4-compatible, IPv4-mapped, loopback and any/unspecified addresses - var hasipv4 = true; - var v4part = ''; - // check if the 10 high-order bytes are all zeros (first 5 words) - for (i = 0; i < 5; i++) { - if (parts[i] !== 0) { - hasipv4 = false; - break; - } - } - if (hasipv4) { - // low-order 32-bits store an IPv4 address (bytes 13 to 16) (last 2 words) - v4part = inetNtop4(parts[6] | (parts[7] << 16)); - // IPv4-mapped IPv6 address if 16-bit value (bytes 11 and 12) == 0xFFFF (6th word) - if (parts[5] === -1) { - str = '::ffff:'; - str += v4part; - return str; - } - // IPv4-compatible IPv6 address if 16-bit value (bytes 11 and 12) == 0x0000 (6th word) - if (parts[5] === 0) { - str = '::'; - //special case IPv6 addresses - if (v4part === '0.0.0.0') v4part = ''; - // any/unspecified address - if (v4part === '0.0.0.1') v4part = '1'; - // loopback address - str += v4part; - return str; - } - } - // Handle all other IPv6 addresses - // first run to find the longest contiguous zero words - for (word = 0; word < 8; word++) { - if (parts[word] === 0) { - if (word - lastzero > 1) { - len = 0; - } - lastzero = word; - len++; - } - if (len > longest) { - longest = len; - zstart = word - longest + 1; - } - } - for (word = 0; word < 8; word++) { - if (longest > 1) { - // compress contiguous zeros - to produce "::" - if ( - parts[word] === 0 && - word >= zstart && - word < zstart + longest - ) { - if (word === zstart) { - str += ':'; - if (zstart === 0) str += ':'; - } - continue; - } - } - // converts 16-bit words from big-endian to little-endian before converting to hex string - str += Number(_ntohs(parts[word] & 65535)).toString(16); - str += word < 7 ? ':' : ''; - } - return str; - }; - - var readSockaddr = (sa, salen) => { - // family / port offsets are common to both sockaddr_in and sockaddr_in6 - var family = HEAP16[sa >> 1]; - var port = _ntohs(HEAPU16[(sa + 2) >> 1]); - var addr; - switch (family) { - case 2: - if (salen !== 16) { - return { - errno: 28, - }; - } - addr = HEAP32[(sa + 4) >> 2]; - addr = inetNtop4(addr); - break; - - case 10: - if (salen !== 28) { - return { - errno: 28, - }; - } - addr = [ - HEAP32[(sa + 8) >> 2], - HEAP32[(sa + 12) >> 2], - HEAP32[(sa + 16) >> 2], - HEAP32[(sa + 20) >> 2], - ]; - addr = inetNtop6(addr); - break; - - default: - return { - errno: 5, - }; - } - return { - family, - addr, - port, - }; - }; - - var getSocketAddress = (addrp, addrlen) => { - var info = readSockaddr(addrp, addrlen); - if (info.errno) throw new FS.ErrnoError(info.errno); - info.addr = DNS.lookup_addr(info.addr) || info.addr; - return info; - }; - - function ___syscall_bind(fd, addr, addrlen, d1, d2, d3) { - try { - var sock = getSocketFromFD(fd); - var info = getSocketAddress(addr, addrlen); - sock.sock_ops.bind(sock, info.addr, info.port); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var callRuntimeCallbacks = callbacks => { + while (callbacks.length > 0) { + // Pass the module as the first argument. + callbacks.shift()(Module); + } +}; - var SYSCALLS = { - DEFAULT_POLLMASK: 5, - calculateAt(dirfd, path, allowEmpty) { - if (PATH.isAbs(path)) { - return path; - } - // relative path - var dir; - if (dirfd === -100) { - dir = FS.cwd(); - } else { - var dirstream = SYSCALLS.getStreamFromFD(dirfd); - dir = dirstream.path; - } - if (path.length == 0) { - if (!allowEmpty) { - throw new FS.ErrnoError(44); - } - return dir; - } - return dir + '/' + path; - }, - writeStat(buf, stat) { - HEAP32[buf >> 2] = stat.dev; - HEAP32[(buf + 4) >> 2] = stat.mode; - HEAPU32[(buf + 8) >> 2] = stat.nlink; - HEAP32[(buf + 12) >> 2] = stat.uid; - HEAP32[(buf + 16) >> 2] = stat.gid; - HEAP32[(buf + 20) >> 2] = stat.rdev; - HEAP64[(buf + 24) >> 3] = BigInt(stat.size); - HEAP32[(buf + 32) >> 2] = 4096; - HEAP32[(buf + 36) >> 2] = stat.blocks; - var atime = stat.atime.getTime(); - var mtime = stat.mtime.getTime(); - var ctime = stat.ctime.getTime(); - HEAP64[(buf + 40) >> 3] = BigInt(Math.floor(atime / 1e3)); - HEAPU32[(buf + 48) >> 2] = (atime % 1e3) * 1e3 * 1e3; - HEAP64[(buf + 56) >> 3] = BigInt(Math.floor(mtime / 1e3)); - HEAPU32[(buf + 64) >> 2] = (mtime % 1e3) * 1e3 * 1e3; - HEAP64[(buf + 72) >> 3] = BigInt(Math.floor(ctime / 1e3)); - HEAPU32[(buf + 80) >> 2] = (ctime % 1e3) * 1e3 * 1e3; - HEAP64[(buf + 88) >> 3] = BigInt(stat.ino); - return 0; - }, - writeStatFs(buf, stats) { - HEAP32[(buf + 4) >> 2] = stats.bsize; - HEAP32[(buf + 40) >> 2] = stats.bsize; - HEAP32[(buf + 8) >> 2] = stats.blocks; - HEAP32[(buf + 12) >> 2] = stats.bfree; - HEAP32[(buf + 16) >> 2] = stats.bavail; - HEAP32[(buf + 20) >> 2] = stats.files; - HEAP32[(buf + 24) >> 2] = stats.ffree; - HEAP32[(buf + 28) >> 2] = stats.fsid; - HEAP32[(buf + 44) >> 2] = stats.flags; - // ST_NOSUID - HEAP32[(buf + 36) >> 2] = stats.namelen; - }, - doMsync(addr, stream, len, flags, offset) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (flags & 2) { - // MAP_PRIVATE calls need not to be synced back to underlying fs - return 0; - } - var buffer = HEAPU8.slice(addr, addr + len); - FS.msync(stream, buffer, offset, len, flags); - }, - getStreamFromFD(fd) { - var stream = FS.getStreamChecked(fd); - return stream; - }, - varargs: undefined, - getStr(ptr) { - var ret = UTF8ToString(ptr); - return ret; - }, - }; - - function ___syscall_chdir(path) { - try { - path = SYSCALLS.getStr(path); - FS.chdir(path); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var onPostRuns = []; - function ___syscall_chmod(path, mode) { - try { - path = SYSCALLS.getStr(path); - FS.chmod(path, mode); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var addOnPostRun = cb => onPostRuns.unshift(cb); - function ___syscall_connect(fd, addr, addrlen, d1, d2, d3) { - try { - var sock = getSocketFromFD(fd); - var info = getSocketAddress(addr, addrlen); - sock.sock_ops.connect(sock, info.addr, info.port); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var onPreRuns = []; - function ___syscall_dup(fd) { - try { - var old = SYSCALLS.getStreamFromFD(fd); - return FS.dupStream(old).fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var addOnPreRun = cb => onPreRuns.unshift(cb); - function ___syscall_dup3(fd, newfd, flags) { - try { - var old = SYSCALLS.getStreamFromFD(fd); - if (old.fd === newfd) return -28; - // Check newfd is within range of valid open file descriptors. - if (newfd < 0 || newfd >= FS.MAX_OPEN_FDS) return -8; - var existing = FS.getStream(newfd); - if (existing) FS.close(existing); - return FS.dupStream(old, newfd).fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var noExitRuntime = Module["noExitRuntime"] || false; - function ___syscall_faccessat(dirfd, path, amode, flags) { - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - if (amode & ~7) { - // need a valid mode - return -28; - } - var lookup = FS.lookupPath(path, { - follow: true, - }); - var node = lookup.node; - if (!node) { - return -44; - } - var perms = ''; - if (amode & 4) perms += 'r'; - if (amode & 2) perms += 'w'; - if (amode & 1) perms += 'x'; - if (perms && FS.nodePermissions(node, perms)) { - return -2; - } - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var stackRestore = val => __emscripten_stack_restore(val); - var INT53_MAX = 9007199254740992; - - var INT53_MIN = -9007199254740992; - - var bigintToI53Checked = (num) => - num < INT53_MIN || num > INT53_MAX ? NaN : Number(num); - - function ___syscall_fallocate(fd, mode, offset, len) { - offset = bigintToI53Checked(offset); - len = bigintToI53Checked(len); - try { - if (isNaN(offset)) return 61; - if (mode != 0) { - return -138; - } - if (offset < 0 || len < 0) { - return -28; - } - // We only support mode == 0, which means we can implement fallocate - // in terms of ftruncate. - var oldSize = FS.fstat(fd).size; - var newSize = offset + len; - if (newSize > oldSize) { - FS.ftruncate(fd, newSize); - } - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var stackSave = () => _emscripten_stack_get_current(); - function ___syscall_fchmod(fd, mode) { - try { - FS.fchmod(fd, mode); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder : undefined; - function ___syscall_fchown32(fd, owner, group) { - try { - FS.fchown(fd, owner, group); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +/** + * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given + * array that contains uint8 values, returns a copy of that string as a + * Javascript String object. + * heapOrArray is either a regular array, or a JavaScript typed array view. + * @param {number=} idx + * @param {number=} maxBytesToRead + * @return {string} + */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead = NaN) => { + var endIdx = idx + maxBytesToRead; + var endPtr = idx; + // TextDecoder needs to know the byte length in advance, it doesn't stop on + // null terminator by itself. Also, use the length info to avoid running tiny + // strings through TextDecoder, since .subarray() allocates garbage. + // (As a tiny code save trick, compare endPtr against endIdx using a negation, + // so that undefined/NaN means Infinity) + while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; + if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { + return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); + } + var str = ""; + // If building with TextDecoder, we have already computed the string length + // above, so test loop end condition against that + while (idx < endPtr) { + // For UTF8 byte structure, see: + // http://en.wikipedia.org/wiki/UTF-8#Description + // https://www.ietf.org/rfc/rfc2279.txt + // https://tools.ietf.org/html/rfc3629 + var u0 = heapOrArray[idx++]; + if (!(u0 & 128)) { + str += String.fromCharCode(u0); + continue; + } + var u1 = heapOrArray[idx++] & 63; + if ((u0 & 224) == 192) { + str += String.fromCharCode(((u0 & 31) << 6) | u1); + continue; + } + var u2 = heapOrArray[idx++] & 63; + if ((u0 & 240) == 224) { + u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; + } else { + u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); + } + if (u0 < 65536) { + str += String.fromCharCode(u0); + } else { + var ch = u0 - 65536; + str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023)); + } + } + return str; +}; - function ___syscall_fchownat(dirfd, path, owner, group, flags) { - try { - path = SYSCALLS.getStr(path); - var nofollow = flags & 256; - flags = flags & ~256; - path = SYSCALLS.calculateAt(dirfd, path); - (nofollow ? FS.lchown : FS.chown)(path, owner, group); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +/** + * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the + * emscripten HEAP, returns a copy of that string as a Javascript String object. + * + * @param {number} ptr + * @param {number=} maxBytesToRead - An optional length that specifies the + * maximum number of bytes to read. You can omit this parameter to scan the + * string until the first 0 byte. If maxBytesToRead is passed, and the string + * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the + * string will cut short at that byte index (i.e. maxBytesToRead will not + * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing + * frequent uses of UTF8ToString() with and without maxBytesToRead may throw + * JS JIT optimizations off, so it is worth to consider consistently using one + * @return {string} + */ var UTF8ToString = (ptr, maxBytesToRead) => ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ""; + +Module["UTF8ToString"] = UTF8ToString; + +var ___assert_fail = (condition, filename, line, func) => abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]); + +var ___call_sighandler = (fp, sig) => (a1 => dynCall_vi(fp, a1))(sig); + +class ExceptionInfo { + // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it. + constructor(excPtr) { + this.excPtr = excPtr; + this.ptr = excPtr - 24; + } + set_type(type) { + HEAPU32[(((this.ptr) + (4)) >> 2)] = type; + } + get_type() { + return HEAPU32[(((this.ptr) + (4)) >> 2)]; + } + set_destructor(destructor) { + HEAPU32[(((this.ptr) + (8)) >> 2)] = destructor; + } + get_destructor() { + return HEAPU32[(((this.ptr) + (8)) >> 2)]; + } + set_caught(caught) { + caught = caught ? 1 : 0; + HEAP8[(this.ptr) + (12)] = caught; + } + get_caught() { + return HEAP8[(this.ptr) + (12)] != 0; + } + set_rethrown(rethrown) { + rethrown = rethrown ? 1 : 0; + HEAP8[(this.ptr) + (13)] = rethrown; + } + get_rethrown() { + return HEAP8[(this.ptr) + (13)] != 0; + } + // Initialize native structure fields. Should be called once after allocated. + init(type, destructor) { + this.set_adjusted_ptr(0); + this.set_type(type); + this.set_destructor(destructor); + } + set_adjusted_ptr(adjustedPtr) { + HEAPU32[(((this.ptr) + (16)) >> 2)] = adjustedPtr; + } + get_adjusted_ptr() { + return HEAPU32[(((this.ptr) + (16)) >> 2)]; + } +} - /** @suppress {duplicate } */ var syscallGetVarargI = () => { - // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. - var ret = HEAP32[+SYSCALLS.varargs >> 2]; - SYSCALLS.varargs += 4; - return ret; - }; - - var syscallGetVarargP = syscallGetVarargI; - - function ___syscall_fcntl64(fd, cmd, varargs) { - SYSCALLS.varargs = varargs; - try { - var stream = SYSCALLS.getStreamFromFD(fd); - switch (cmd) { - case 0: { - var arg = syscallGetVarargI(); - if (arg < 0) { - return -28; - } - while (FS.streams[arg]) { - arg++; - } - var newStream; - newStream = FS.dupStream(stream, arg); - return newStream.fd; - } - - case 1: - case 2: - return 0; - - // FD_CLOEXEC makes no sense for a single process. - case 3: - return stream.flags; - - case 4: { - var arg = syscallGetVarargI(); - stream.flags |= arg; - return 0; - } - - case 12: { - var arg = syscallGetVarargP(); - var offset = 0; - // We're always unlocked. - HEAP16[(arg + offset) >> 1] = 2; - return 0; - } - - case 13: - case 14: - // Pretend that the locking is successful. These are process-level locks, - // and Emscripten programs are a single process. If we supported linking a - // filesystem between programs, we'd need to do more here. - // See https://github.com/emscripten-core/emscripten/issues/23697 - return 0; - } - return -28; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var exceptionLast = 0; + +var uncaughtExceptionCount = 0; + +var ___cxa_throw = (ptr, type, destructor) => { + var info = new ExceptionInfo(ptr); + // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. + info.init(type, destructor); + exceptionLast = ptr; + uncaughtExceptionCount++; + throw exceptionLast; +}; + +var initRandomFill = () => view => crypto.getRandomValues(view); + +var randomFill = view => { + // Lazily init on the first invocation. + (randomFill = initRandomFill())(view); +}; + +var PATH = { + isAbs: path => path.charAt(0) === "/", + splitPath: filename => { + var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + return splitPathRe.exec(filename).slice(1); + }, + normalizeArray: (parts, allowAboveRoot) => { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === ".") { + parts.splice(i, 1); + } else if (last === "..") { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (;up; up--) { + parts.unshift(".."); + } + } + return parts; + }, + normalize: path => { + var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/"; + // Normalize the path + path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/"); + if (!path && !isAbsolute) { + path = "."; + } + if (path && trailingSlash) { + path += "/"; + } + return (isAbsolute ? "/" : "") + path; + }, + dirname: path => { + var result = PATH.splitPath(path), root = result[0], dir = result[1]; + if (!root && !dir) { + // No dirname whatsoever + return "."; + } + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.slice(0, -1); + } + return root + dir; + }, + basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1], + join: (...paths) => PATH.normalize(paths.join("/")), + join2: (l, r) => PATH.normalize(l + "/" + r) +}; + +var PATH_FS = { + resolve: (...args) => { + var resolvedPath = "", resolvedAbsolute = false; + for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? args[i] : FS.cwd(); + // Skip empty and invalid entries + if (typeof path != "string") { + throw new TypeError("Arguments to path.resolve must be strings"); + } else if (!path) { + return ""; + } + resolvedPath = path + "/" + resolvedPath; + resolvedAbsolute = PATH.isAbs(path); + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/"); + return ((resolvedAbsolute ? "/" : "") + resolvedPath) || "."; + }, + relative: (from, to) => { + from = PATH_FS.resolve(from).slice(1); + to = PATH_FS.resolve(to).slice(1); + function trim(arr) { + var start = 0; + for (;start < arr.length; start++) { + if (arr[start] !== "") break; + } + var end = arr.length - 1; + for (;end >= 0; end--) { + if (arr[end] !== "") break; + } + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + var fromParts = trim(from.split("/")); + var toParts = trim(to.split("/")); + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push(".."); + } + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + return outputParts.join("/"); + } +}; + +var FS_stdin_getChar_buffer = []; + +var lengthBytesUTF8 = str => { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code + // unit, not a Unicode code point of the character! So decode + // UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var c = str.charCodeAt(i); + // possibly a lead surrogate + if (c <= 127) { + len++; + } else if (c <= 2047) { + len += 2; + } else if (c >= 55296 && c <= 57343) { + len += 4; + ++i; + } else { + len += 3; + } + } + return len; +}; + +Module["lengthBytesUTF8"] = lengthBytesUTF8; + +var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => { + // Parameter maxBytesToWrite is not optional. Negative values, 0, null, + // undefined and false each don't write out any bytes. + if (!(maxBytesToWrite > 0)) return 0; + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; + // -1 for string null terminator. + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code + // unit, not a Unicode code point of the character! So decode + // UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description + // and https://www.ietf.org/rfc/rfc2279.txt + // and https://tools.ietf.org/html/rfc3629 + var u = str.charCodeAt(i); + // possibly a lead surrogate + if (u >= 55296 && u <= 57343) { + var u1 = str.charCodeAt(++i); + u = 65536 + ((u & 1023) << 10) | (u1 & 1023); + } + if (u <= 127) { + if (outIdx >= endIdx) break; + heap[outIdx++] = u; + } else if (u <= 2047) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 192 | (u >> 6); + heap[outIdx++] = 128 | (u & 63); + } else if (u <= 65535) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 224 | (u >> 12); + heap[outIdx++] = 128 | ((u >> 6) & 63); + heap[outIdx++] = 128 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + heap[outIdx++] = 240 | (u >> 18); + heap[outIdx++] = 128 | ((u >> 12) & 63); + heap[outIdx++] = 128 | ((u >> 6) & 63); + heap[outIdx++] = 128 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[outIdx] = 0; + return outIdx - startIdx; +}; + +/** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => { + var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; +}; + +var FS_stdin_getChar = () => { + if (!FS_stdin_getChar_buffer.length) { + var result = null; + if (ENVIRONMENT_IS_NODE) { + // we will read data by chunks of BUFSIZE + var BUFSIZE = 256; + var buf = Buffer.alloc(BUFSIZE); + var bytesRead = 0; + // For some reason we must suppress a closure warning here, even though + // fd definitely exists on process.stdin, and is even the proper way to + // get the fd of stdin, + // https://github.com/nodejs/help/issues/2136#issuecomment-523649904 + // This started to happen after moving this logic out of library_tty.js, + // so it is related to the surrounding code in some unclear manner. + /** @suppress {missingProperties} */ var fd = process.stdin.fd; + try { + bytesRead = fs.readSync(fd, buf, 0, BUFSIZE); + } catch (e) { + // Cross-platform differences: on Windows, reading EOF throws an + // exception, but on other OSes, reading EOF returns 0. Uniformize + // behavior by treating the EOF exception to return 0. + if (e.toString().includes("EOF")) bytesRead = 0; else throw e; + } + if (bytesRead > 0) { + result = buf.slice(0, bytesRead).toString("utf-8"); + } + } else {} + if (!result) { + return null; + } + FS_stdin_getChar_buffer = intArrayFromString(result, true); + } + return FS_stdin_getChar_buffer.shift(); +}; + +var TTY = { + ttys: [], + init() {}, + shutdown() {}, + register(dev, ops) { + TTY.ttys[dev] = { + input: [], + output: [], + ops + }; + FS.registerDevice(dev, TTY.stream_ops); + }, + stream_ops: { + open(stream) { + var tty = TTY.ttys[stream.node.rdev]; + if (!tty) { + throw new FS.ErrnoError(43); + } + stream.tty = tty; + stream.seekable = false; + }, + close(stream) { + // flush any pending line data + stream.tty.ops.fsync(stream.tty); + }, + fsync(stream) { + stream.tty.ops.fsync(stream.tty); + }, + read(stream, buffer, offset, length, pos) { + if (!stream.tty || !stream.tty.ops.get_char) { + throw new FS.ErrnoError(60); + } + var bytesRead = 0; + for (var i = 0; i < length; i++) { + var result; + try { + result = stream.tty.ops.get_char(stream.tty); + } catch (e) { + throw new FS.ErrnoError(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + if (result === null || result === undefined) break; + bytesRead++; + buffer[offset + i] = result; + } + if (bytesRead) { + stream.node.atime = Date.now(); + } + return bytesRead; + }, + write(stream, buffer, offset, length, pos) { + if (!stream.tty || !stream.tty.ops.put_char) { + throw new FS.ErrnoError(60); + } + try { + for (var i = 0; i < length; i++) { + stream.tty.ops.put_char(stream.tty, buffer[offset + i]); + } + } catch (e) { + throw new FS.ErrnoError(29); + } + if (length) { + stream.node.mtime = stream.node.ctime = Date.now(); + } + return i; + } + }, + default_tty_ops: { + get_char(tty) { + return FS_stdin_getChar(); + }, + put_char(tty, val) { + if (val === null || val === 10) { + out(UTF8ArrayToString(tty.output)); + tty.output = []; + } else { + if (val != 0) tty.output.push(val); + } + }, + fsync(tty) { + if (tty.output?.length > 0) { + out(UTF8ArrayToString(tty.output)); + tty.output = []; + } + }, + ioctl_tcgets(tty) { + // typical setting + return { + c_iflag: 25856, + c_oflag: 5, + c_cflag: 191, + c_lflag: 35387, + c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] + }; + }, + ioctl_tcsets(tty, optional_actions, data) { + // currently just ignore + return 0; + }, + ioctl_tiocgwinsz(tty) { + return [ 24, 80 ]; + } + }, + default_tty1_ops: { + put_char(tty, val) { + if (val === null || val === 10) { + err(UTF8ArrayToString(tty.output)); + tty.output = []; + } else { + if (val != 0) tty.output.push(val); + } + }, + fsync(tty) { + if (tty.output?.length > 0) { + err(UTF8ArrayToString(tty.output)); + tty.output = []; + } + } + } +}; + +var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size); + +var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment; + +var mmapAlloc = size => { + size = alignMemory(size, 65536); + var ptr = _emscripten_builtin_memalign(65536, size); + if (ptr) zeroMemory(ptr, size); + return ptr; +}; + +var MEMFS = { + ops_table: null, + mount(mount) { + return MEMFS.createNode(null, "/", 16895, 0); + }, + createNode(parent, name, mode, dev) { + if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { + // no supported + throw new FS.ErrnoError(63); + } + MEMFS.ops_table ||= { + dir: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr, + lookup: MEMFS.node_ops.lookup, + mknod: MEMFS.node_ops.mknod, + rename: MEMFS.node_ops.rename, + unlink: MEMFS.node_ops.unlink, + rmdir: MEMFS.node_ops.rmdir, + readdir: MEMFS.node_ops.readdir, + symlink: MEMFS.node_ops.symlink + }, + stream: { + llseek: MEMFS.stream_ops.llseek + } + }, + file: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr + }, + stream: { + llseek: MEMFS.stream_ops.llseek, + read: MEMFS.stream_ops.read, + write: MEMFS.stream_ops.write, + mmap: MEMFS.stream_ops.mmap, + msync: MEMFS.stream_ops.msync + } + }, + link: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr, + readlink: MEMFS.node_ops.readlink + }, + stream: {} + }, + chrdev: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr + }, + stream: FS.chrdev_stream_ops + } + }; + var node = FS.createNode(parent, name, mode, dev); + if (FS.isDir(node.mode)) { + node.node_ops = MEMFS.ops_table.dir.node; + node.stream_ops = MEMFS.ops_table.dir.stream; + node.contents = {}; + } else if (FS.isFile(node.mode)) { + node.node_ops = MEMFS.ops_table.file.node; + node.stream_ops = MEMFS.ops_table.file.stream; + node.usedBytes = 0; + // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. + // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred + // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size + // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. + node.contents = null; + } else if (FS.isLink(node.mode)) { + node.node_ops = MEMFS.ops_table.link.node; + node.stream_ops = MEMFS.ops_table.link.stream; + } else if (FS.isChrdev(node.mode)) { + node.node_ops = MEMFS.ops_table.chrdev.node; + node.stream_ops = MEMFS.ops_table.chrdev.stream; + } + node.atime = node.mtime = node.ctime = Date.now(); + // add the new node to the parent + if (parent) { + parent.contents[name] = node; + parent.atime = parent.mtime = parent.ctime = node.atime; + } + return node; + }, + getFileDataAsTypedArray(node) { + if (!node.contents) return new Uint8Array(0); + if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); + // Make sure to not return excess unused bytes. + return new Uint8Array(node.contents); + }, + expandFileStorage(node, newCapacity) { + var prevCapacity = node.contents ? node.contents.length : 0; + if (prevCapacity >= newCapacity) return; + // No need to expand, the storage was already large enough. + // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. + // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to + // avoid overshooting the allocation cap by a very large margin. + var CAPACITY_DOUBLING_MAX = 1024 * 1024; + newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0); + if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); + // At minimum allocate 256b for each file when expanding. + var oldContents = node.contents; + node.contents = new Uint8Array(newCapacity); + // Allocate new storage. + if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); + }, + resizeFileStorage(node, newSize) { + if (node.usedBytes == newSize) return; + if (newSize == 0) { + node.contents = null; + // Fully decommit when requesting a resize to zero. + node.usedBytes = 0; + } else { + var oldContents = node.contents; + node.contents = new Uint8Array(newSize); + // Allocate new storage. + if (oldContents) { + node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); + } + node.usedBytes = newSize; + } + }, + node_ops: { + getattr(node) { + var attr = {}; + // device numbers reuse inode numbers. + attr.dev = FS.isChrdev(node.mode) ? node.id : 1; + attr.ino = node.id; + attr.mode = node.mode; + attr.nlink = 1; + attr.uid = 0; + attr.gid = 0; + attr.rdev = node.rdev; + if (FS.isDir(node.mode)) { + attr.size = 4096; + } else if (FS.isFile(node.mode)) { + attr.size = node.usedBytes; + } else if (FS.isLink(node.mode)) { + attr.size = node.link.length; + } else { + attr.size = 0; + } + attr.atime = new Date(node.atime); + attr.mtime = new Date(node.mtime); + attr.ctime = new Date(node.ctime); + // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), + // but this is not required by the standard. + attr.blksize = 4096; + attr.blocks = Math.ceil(attr.size / attr.blksize); + return attr; + }, + setattr(node, attr) { + for (const key of [ "mode", "atime", "mtime", "ctime" ]) { + if (attr[key] != null) { + node[key] = attr[key]; + } + } + if (attr.size !== undefined) { + MEMFS.resizeFileStorage(node, attr.size); + } + }, + lookup(parent, name) { + throw MEMFS.doesNotExistError; + }, + mknod(parent, name, mode, dev) { + return MEMFS.createNode(parent, name, mode, dev); + }, + rename(old_node, new_dir, new_name) { + var new_node; + try { + new_node = FS.lookupNode(new_dir, new_name); + } catch (e) {} + if (new_node) { + if (FS.isDir(old_node.mode)) { + // if we're overwriting a directory at new_name, make sure it's empty. + for (var i in new_node.contents) { + throw new FS.ErrnoError(55); + } + } + FS.hashRemoveNode(new_node); + } + // do the internal rewiring + delete old_node.parent.contents[old_node.name]; + new_dir.contents[new_name] = old_node; + old_node.name = new_name; + new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now(); + }, + unlink(parent, name) { + delete parent.contents[name]; + parent.ctime = parent.mtime = Date.now(); + }, + rmdir(parent, name) { + var node = FS.lookupNode(parent, name); + for (var i in node.contents) { + throw new FS.ErrnoError(55); + } + delete parent.contents[name]; + parent.ctime = parent.mtime = Date.now(); + }, + readdir(node) { + return [ ".", "..", ...Object.keys(node.contents) ]; + }, + symlink(parent, newname, oldpath) { + var node = MEMFS.createNode(parent, newname, 511 | 40960, 0); + node.link = oldpath; + return node; + }, + readlink(node) { + if (!FS.isLink(node.mode)) { + throw new FS.ErrnoError(28); + } + return node.link; + } + }, + stream_ops: { + read(stream, buffer, offset, length, position) { + var contents = stream.node.contents; + if (position >= stream.node.usedBytes) return 0; + var size = Math.min(stream.node.usedBytes - position, length); + if (size > 8 && contents.subarray) { + // non-trivial, and typed array + buffer.set(contents.subarray(position, position + size), offset); + } else { + for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; + } + return size; + }, + write(stream, buffer, offset, length, position, canOwn) { + // If the buffer is located in main memory (HEAP), and if + // memory can grow, we can't hold on to references of the + // memory buffer, as they may get invalidated. That means we + // need to do copy its contents. + if (buffer.buffer === HEAP8.buffer) { + canOwn = false; + } + if (!length) return 0; + var node = stream.node; + node.mtime = node.ctime = Date.now(); + if (buffer.subarray && (!node.contents || node.contents.subarray)) { + // This write is from a typed array to a typed array? + if (canOwn) { + node.contents = buffer.subarray(offset, offset + length); + node.usedBytes = length; + return length; + } else if (node.usedBytes === 0 && position === 0) { + // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. + node.contents = buffer.slice(offset, offset + length); + node.usedBytes = length; + return length; + } else if (position + length <= node.usedBytes) { + // Writing to an already allocated and used subrange of the file? + node.contents.set(buffer.subarray(offset, offset + length), position); + return length; + } + } + // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. + MEMFS.expandFileStorage(node, position + length); + if (node.contents.subarray && buffer.subarray) { + // Use typed array write which is available. + node.contents.set(buffer.subarray(offset, offset + length), position); + } else { + for (var i = 0; i < length; i++) { + node.contents[position + i] = buffer[offset + i]; + } + } + node.usedBytes = Math.max(node.usedBytes, position + length); + return length; + }, + llseek(stream, offset, whence) { + var position = offset; + if (whence === 1) { + position += stream.position; + } else if (whence === 2) { + if (FS.isFile(stream.node.mode)) { + position += stream.node.usedBytes; + } + } + if (position < 0) { + throw new FS.ErrnoError(28); + } + return position; + }, + mmap(stream, length, position, prot, flags) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + var ptr; + var allocated; + var contents = stream.node.contents; + // Only make a new copy when MAP_PRIVATE is specified. + if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) { + // We can't emulate MAP_SHARED when the file is not backed by the + // buffer we're mapping to (e.g. the HEAP buffer). + allocated = false; + ptr = contents.byteOffset; + } else { + allocated = true; + ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + if (contents) { + // Try to avoid unnecessary slices. + if (position > 0 || position + length < contents.length) { + if (contents.subarray) { + contents = contents.subarray(position, position + length); + } else { + contents = Array.prototype.slice.call(contents, position, position + length); + } + } + HEAP8.set(contents, ptr); + } + } + return { + ptr, + allocated + }; + }, + msync(stream, buffer, offset, length, mmapFlags) { + MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); + // should we check if bytesWritten and length are the same? + return 0; + } + } +}; + +var asyncLoad = async url => { + var arrayBuffer = await readAsync(url); + return new Uint8Array(arrayBuffer); +}; + +asyncLoad.isAsync = true; + +var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => { + FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn); +}; + +var preloadPlugins = Module["preloadPlugins"] || []; + +var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => { + // Ensure plugins are ready. + if (typeof Browser != "undefined") Browser.init(); + var handled = false; + preloadPlugins.forEach(plugin => { + if (handled) return; + if (plugin["canHandle"](fullname)) { + plugin["handle"](byteArray, fullname, finish, onerror); + handled = true; + } + }); + return handled; +}; + +var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { + // TODO we should allow people to just pass in a complete filename instead + // of parent and name being that we just join them anyways + var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; + var dep = getUniqueRunDependency(`cp ${fullname}`); + // might have several active requests for the same fullname + function processData(byteArray) { + function finish(byteArray) { + preFinish?.(); + if (!dontCreateFile) { + FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); + } + onload?.(); + removeRunDependency(dep); + } + if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => { + onerror?.(); + removeRunDependency(dep); + })) { + return; + } + finish(byteArray); + } + addRunDependency(dep); + if (typeof url == "string") { + asyncLoad(url).then(processData, onerror); + } else { + processData(url); + } +}; + +var FS_modeStringToFlags = str => { + var flagModes = { + "r": 0, + "r+": 2, + "w": 512 | 64 | 1, + "w+": 512 | 64 | 2, + "a": 1024 | 64 | 1, + "a+": 1024 | 64 | 2 + }; + var flags = flagModes[str]; + if (typeof flags == "undefined") { + throw new Error(`Unknown file open mode: ${str}`); + } + return flags; +}; + +var FS_getMode = (canRead, canWrite) => { + var mode = 0; + if (canRead) mode |= 292 | 73; + if (canWrite) mode |= 146; + return mode; +}; + +var ERRNO_CODES = { + "EPERM": 63, + "ENOENT": 44, + "ESRCH": 71, + "EINTR": 27, + "EIO": 29, + "ENXIO": 60, + "E2BIG": 1, + "ENOEXEC": 45, + "EBADF": 8, + "ECHILD": 12, + "EAGAIN": 6, + "EWOULDBLOCK": 6, + "ENOMEM": 48, + "EACCES": 2, + "EFAULT": 21, + "ENOTBLK": 105, + "EBUSY": 10, + "EEXIST": 20, + "EXDEV": 75, + "ENODEV": 43, + "ENOTDIR": 54, + "EISDIR": 31, + "EINVAL": 28, + "ENFILE": 41, + "EMFILE": 33, + "ENOTTY": 59, + "ETXTBSY": 74, + "EFBIG": 22, + "ENOSPC": 51, + "ESPIPE": 70, + "EROFS": 69, + "EMLINK": 34, + "EPIPE": 64, + "EDOM": 18, + "ERANGE": 68, + "ENOMSG": 49, + "EIDRM": 24, + "ECHRNG": 106, + "EL2NSYNC": 156, + "EL3HLT": 107, + "EL3RST": 108, + "ELNRNG": 109, + "EUNATCH": 110, + "ENOCSI": 111, + "EL2HLT": 112, + "EDEADLK": 16, + "ENOLCK": 46, + "EBADE": 113, + "EBADR": 114, + "EXFULL": 115, + "ENOANO": 104, + "EBADRQC": 103, + "EBADSLT": 102, + "EDEADLOCK": 16, + "EBFONT": 101, + "ENOSTR": 100, + "ENODATA": 116, + "ETIME": 117, + "ENOSR": 118, + "ENONET": 119, + "ENOPKG": 120, + "EREMOTE": 121, + "ENOLINK": 47, + "EADV": 122, + "ESRMNT": 123, + "ECOMM": 124, + "EPROTO": 65, + "EMULTIHOP": 36, + "EDOTDOT": 125, + "EBADMSG": 9, + "ENOTUNIQ": 126, + "EBADFD": 127, + "EREMCHG": 128, + "ELIBACC": 129, + "ELIBBAD": 130, + "ELIBSCN": 131, + "ELIBMAX": 132, + "ELIBEXEC": 133, + "ENOSYS": 52, + "ENOTEMPTY": 55, + "ENAMETOOLONG": 37, + "ELOOP": 32, + "EOPNOTSUPP": 138, + "EPFNOSUPPORT": 139, + "ECONNRESET": 15, + "ENOBUFS": 42, + "EAFNOSUPPORT": 5, + "EPROTOTYPE": 67, + "ENOTSOCK": 57, + "ENOPROTOOPT": 50, + "ESHUTDOWN": 140, + "ECONNREFUSED": 14, + "EADDRINUSE": 3, + "ECONNABORTED": 13, + "ENETUNREACH": 40, + "ENETDOWN": 38, + "ETIMEDOUT": 73, + "EHOSTDOWN": 142, + "EHOSTUNREACH": 23, + "EINPROGRESS": 26, + "EALREADY": 7, + "EDESTADDRREQ": 17, + "EMSGSIZE": 35, + "EPROTONOSUPPORT": 66, + "ESOCKTNOSUPPORT": 137, + "EADDRNOTAVAIL": 4, + "ENETRESET": 39, + "EISCONN": 30, + "ENOTCONN": 53, + "ETOOMANYREFS": 141, + "EUSERS": 136, + "EDQUOT": 19, + "ESTALE": 72, + "ENOTSUP": 138, + "ENOMEDIUM": 148, + "EILSEQ": 25, + "EOVERFLOW": 61, + "ECANCELED": 11, + "ENOTRECOVERABLE": 56, + "EOWNERDEAD": 62, + "ESTRPIPE": 135 +}; + +var NODEFS = { + isWindows: false, + staticInit() { + NODEFS.isWindows = !!process.platform.match(/^win/); + var flags = process.binding("constants")["fs"]; + NODEFS.flagsForNodeMap = { + 1024: flags["O_APPEND"], + 64: flags["O_CREAT"], + 128: flags["O_EXCL"], + 256: flags["O_NOCTTY"], + 0: flags["O_RDONLY"], + 2: flags["O_RDWR"], + 4096: flags["O_SYNC"], + 512: flags["O_TRUNC"], + 1: flags["O_WRONLY"], + 131072: flags["O_NOFOLLOW"] + }; + }, + convertNodeCode(e) { + var code = e.code; + return ERRNO_CODES[code]; + }, + tryFSOperation(f) { + try { + return f(); + } catch (e) { + if (!e.code) throw e; + // node under windows can return code 'UNKNOWN' here: + // https://github.com/emscripten-core/emscripten/issues/15468 + if (e.code === "UNKNOWN") throw new FS.ErrnoError(28); + throw new FS.ErrnoError(NODEFS.convertNodeCode(e)); + } + }, + mount(mount) { + return NODEFS.createNode(null, "/", NODEFS.getMode(mount.opts.root), 0); + }, + createNode(parent, name, mode, dev) { + if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { + throw new FS.ErrnoError(28); + } + var node = FS.createNode(parent, name, mode); + node.node_ops = NODEFS.node_ops; + node.stream_ops = NODEFS.stream_ops; + return node; + }, + getMode(path) { + return NODEFS.tryFSOperation(() => { + var mode = fs.lstatSync(path).mode; + if (NODEFS.isWindows) { + // Windows does not report the 'x' permission bit, so propagate read + // bits to execute bits. + mode |= (mode & 292) >> 2; + } + return mode; + }); + }, + realPath(node) { + var parts = []; + while (node.parent !== node) { + parts.push(node.name); + node = node.parent; + } + parts.push(node.mount.opts.root); + parts.reverse(); + return PATH.join(...parts); + }, + flagsForNode(flags) { + flags &= ~2097152; + // Ignore this flag from musl, otherwise node.js fails to open the file. + flags &= ~2048; + // Ignore this flag from musl, otherwise node.js fails to open the file. + flags &= ~32768; + // Ignore this flag from musl, otherwise node.js fails to open the file. + flags &= ~524288; + // Some applications may pass it; it makes no sense for a single process. + flags &= ~65536; + // Node.js doesn't need this passed in, it errors. + var newFlags = 0; + for (var k in NODEFS.flagsForNodeMap) { + if (flags & k) { + newFlags |= NODEFS.flagsForNodeMap[k]; + flags ^= k; + } + } + if (flags) { + throw new FS.ErrnoError(28); + } + return newFlags; + }, + getattr(func, node) { + var stat = NODEFS.tryFSOperation(func); + if (NODEFS.isWindows) { + // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake + // them with default blksize of 4096. + // See http://support.microsoft.com/kb/140365 + if (!stat.blksize) { + stat.blksize = 4096; + } + if (!stat.blocks) { + stat.blocks = (stat.size + stat.blksize - 1) / stat.blksize | 0; + } + // Windows does not report the 'x' permission bit, so propagate read + // bits to execute bits. + stat.mode |= (stat.mode & 292) >> 2; + } + return { + dev: stat.dev, + ino: node.id, + mode: stat.mode, + nlink: stat.nlink, + uid: stat.uid, + gid: stat.gid, + rdev: stat.rdev, + size: stat.size, + atime: stat.atime, + mtime: stat.mtime, + ctime: stat.ctime, + blksize: stat.blksize, + blocks: stat.blocks + }; + }, + setattr(arg, node, attr, chmod, utimes, truncate, stat) { + NODEFS.tryFSOperation(() => { + if (attr.mode !== undefined) { + var mode = attr.mode; + if (NODEFS.isWindows) { + // Windows only supports S_IREAD / S_IWRITE (S_IRUSR / S_IWUSR) + // https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/chmod-wchmod + mode &= 384; + } + chmod(arg, mode); + // update the common node structure mode as well + node.mode = attr.mode; + } + if (typeof (attr.atime ?? attr.mtime) === "number") { + // Unfortunately, we have to stat the current value if we don't want + // to change it. On top of that, since the times don't round trip + // this will only keep the value nearly unchanged not exactly + // unchanged. See: + // https://github.com/nodejs/node/issues/56492 + var atime = new Date(attr.atime ?? stat(arg).atime); + var mtime = new Date(attr.mtime ?? stat(arg).mtime); + utimes(arg, atime, mtime); + } + if (attr.size !== undefined) { + truncate(arg, attr.size); + } + }); + }, + node_ops: { + getattr(node) { + var path = NODEFS.realPath(node); + return NODEFS.getattr(() => fs.lstatSync(path), node); + }, + setattr(node, attr) { + var path = NODEFS.realPath(node); + if (attr.mode != null && attr.dontFollow) { + throw new FS.ErrnoError(52); + } + NODEFS.setattr(path, node, attr, fs.chmodSync, fs.utimesSync, fs.truncateSync, fs.lstatSync); + }, + lookup(parent, name) { + var path = PATH.join2(NODEFS.realPath(parent), name); + var mode = NODEFS.getMode(path); + return NODEFS.createNode(parent, name, mode); + }, + mknod(parent, name, mode, dev) { + var node = NODEFS.createNode(parent, name, mode, dev); + // create the backing node for this in the fs root as well + var path = NODEFS.realPath(node); + NODEFS.tryFSOperation(() => { + if (FS.isDir(node.mode)) { + fs.mkdirSync(path, node.mode); + } else { + fs.writeFileSync(path, "", { + mode: node.mode + }); + } + }); + return node; + }, + rename(oldNode, newDir, newName) { + var oldPath = NODEFS.realPath(oldNode); + var newPath = PATH.join2(NODEFS.realPath(newDir), newName); + try { + FS.unlink(newPath); + } catch (e) {} + NODEFS.tryFSOperation(() => fs.renameSync(oldPath, newPath)); + oldNode.name = newName; + }, + unlink(parent, name) { + var path = PATH.join2(NODEFS.realPath(parent), name); + NODEFS.tryFSOperation(() => fs.unlinkSync(path)); + }, + rmdir(parent, name) { + var path = PATH.join2(NODEFS.realPath(parent), name); + NODEFS.tryFSOperation(() => fs.rmdirSync(path)); + }, + readdir(node) { + var path = NODEFS.realPath(node); + return NODEFS.tryFSOperation(() => fs.readdirSync(path)); + }, + symlink(parent, newName, oldPath) { + var newPath = PATH.join2(NODEFS.realPath(parent), newName); + NODEFS.tryFSOperation(() => fs.symlinkSync(oldPath, newPath)); + }, + readlink(node) { + var path = NODEFS.realPath(node); + return NODEFS.tryFSOperation(() => fs.readlinkSync(path)); + }, + statfs(path) { + var stats = NODEFS.tryFSOperation(() => fs.statfsSync(path)); + // Node.js doesn't provide frsize (fragment size). Set it to bsize (block size) + // as they're often the same in many file systems. May not be accurate for all. + stats.frsize = stats.bsize; + return stats; + } + }, + stream_ops: { + getattr(stream) { + return NODEFS.getattr(() => fs.fstatSync(stream.nfd), stream.node); + }, + setattr(stream, attr) { + NODEFS.setattr(stream.nfd, stream.node, attr, fs.fchmodSync, fs.futimesSync, fs.ftruncateSync, fs.fstatSync); + }, + open(stream) { + var path = NODEFS.realPath(stream.node); + NODEFS.tryFSOperation(() => { + stream.shared.refcount = 1; + stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags)); + }); + }, + close(stream) { + NODEFS.tryFSOperation(() => { + if (stream.nfd && --stream.shared.refcount === 0) { + fs.closeSync(stream.nfd); + } + }); + }, + dup(stream) { + stream.shared.refcount++; + }, + read(stream, buffer, offset, length, position) { + return NODEFS.tryFSOperation(() => fs.readSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position)); + }, + write(stream, buffer, offset, length, position) { + return NODEFS.tryFSOperation(() => fs.writeSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position)); + }, + llseek(stream, offset, whence) { + var position = offset; + if (whence === 1) { + position += stream.position; + } else if (whence === 2) { + if (FS.isFile(stream.node.mode)) { + NODEFS.tryFSOperation(() => { + var stat = fs.fstatSync(stream.nfd); + position += stat.size; + }); + } + } + if (position < 0) { + throw new FS.ErrnoError(28); + } + return position; + }, + mmap(stream, length, position, prot, flags) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + var ptr = mmapAlloc(length); + NODEFS.stream_ops.read(stream, HEAP8, ptr, length, position); + return { + ptr, + allocated: true + }; + }, + msync(stream, buffer, offset, length, mmapFlags) { + NODEFS.stream_ops.write(stream, buffer, 0, length, offset, false); + // should we check if bytesWritten and length are the same? + return 0; + } + } +}; + +var PROXYFS = { + mount(mount) { + return PROXYFS.createNode(null, "/", mount.opts.fs.lstat(mount.opts.root).mode, 0); + }, + createNode(parent, name, mode, dev) { + if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { + throw new FS.ErrnoError(ERRNO_CODES.EINVAL); + } + var node = FS.createNode(parent, name, mode); + node.node_ops = PROXYFS.node_ops; + node.stream_ops = PROXYFS.stream_ops; + return node; + }, + realPath(node) { + var parts = []; + while (node.parent !== node) { + parts.push(node.name); + node = node.parent; + } + parts.push(node.mount.opts.root); + parts.reverse(); + return PATH.join(...parts); + }, + node_ops: { + getattr(node) { + var path = PROXYFS.realPath(node); + var stat; + try { + stat = node.mount.opts.fs.lstat(path); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + return { + dev: stat.dev, + ino: stat.ino, + mode: stat.mode, + nlink: stat.nlink, + uid: stat.uid, + gid: stat.gid, + rdev: stat.rdev, + size: stat.size, + atime: stat.atime, + mtime: stat.mtime, + ctime: stat.ctime, + blksize: stat.blksize, + blocks: stat.blocks + }; + }, + setattr(node, attr) { + var path = PROXYFS.realPath(node); + try { + if (attr.mode !== undefined) { + node.mount.opts.fs.chmod(path, attr.mode); + // update the common node structure mode as well + node.mode = attr.mode; + } + if (attr.atime || attr.mtime) { + var atime = new Date(attr.atime || attr.mtime); + var mtime = new Date(attr.mtime || attr.atime); + node.mount.opts.fs.utime(path, atime, mtime); + } + if (attr.size !== undefined) { + node.mount.opts.fs.truncate(path, attr.size); + } + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + lookup(parent, name) { + try { + var path = PATH.join2(PROXYFS.realPath(parent), name); + var mode = parent.mount.opts.fs.lstat(path).mode; + var node = PROXYFS.createNode(parent, name, mode); + return node; + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + mknod(parent, name, mode, dev) { + var node = PROXYFS.createNode(parent, name, mode, dev); + // create the backing node for this in the fs root as well + var path = PROXYFS.realPath(node); + try { + if (FS.isDir(node.mode)) { + node.mount.opts.fs.mkdir(path, node.mode); + } else { + node.mount.opts.fs.writeFile(path, "", { + mode: node.mode + }); + } + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + return node; + }, + rename(oldNode, newDir, newName) { + var oldPath = PROXYFS.realPath(oldNode); + var newPath = PATH.join2(PROXYFS.realPath(newDir), newName); + try { + oldNode.mount.opts.fs.rename(oldPath, newPath); + oldNode.name = newName; + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + unlink(parent, name) { + var path = PATH.join2(PROXYFS.realPath(parent), name); + try { + parent.mount.opts.fs.unlink(path); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + rmdir(parent, name) { + var path = PATH.join2(PROXYFS.realPath(parent), name); + try { + parent.mount.opts.fs.rmdir(path); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + readdir(node) { + var path = PROXYFS.realPath(node); + try { + return node.mount.opts.fs.readdir(path); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + symlink(parent, newName, oldPath) { + var newPath = PATH.join2(PROXYFS.realPath(parent), newName); + try { + parent.mount.opts.fs.symlink(oldPath, newPath); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + readlink(node) { + var path = PROXYFS.realPath(node); + try { + return node.mount.opts.fs.readlink(path); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + } + }, + stream_ops: { + open(stream) { + var path = PROXYFS.realPath(stream.node); + try { + stream.nfd = stream.node.mount.opts.fs.open(path, stream.flags); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + close(stream) { + try { + stream.node.mount.opts.fs.close(stream.nfd); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + read(stream, buffer, offset, length, position) { + try { + return stream.node.mount.opts.fs.read(stream.nfd, buffer, offset, length, position); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + write(stream, buffer, offset, length, position) { + try { + return stream.node.mount.opts.fs.write(stream.nfd, buffer, offset, length, position); + } catch (e) { + if (!e.code) throw e; + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + }, + llseek(stream, offset, whence) { + var position = offset; + if (whence === 1) { + position += stream.position; + } else if (whence === 2) { + if (FS.isFile(stream.node.mode)) { + try { + var stat = stream.node.node_ops.getattr(stream.node); + position += stat.size; + } catch (e) { + throw new FS.ErrnoError(ERRNO_CODES[e.code]); + } + } + } + if (position < 0) { + throw new FS.ErrnoError(ERRNO_CODES.EINVAL); + } + return position; + } + } +}; + +var FS = { + root: null, + mounts: [], + devices: {}, + streams: [], + nextInode: 1, + nameTable: null, + currentPath: "/", + initialized: false, + ignorePermissions: true, + filesystems: null, + syncFSRequests: 0, + readFiles: {}, + ErrnoError: class { + name="ErrnoError"; + // We set the `name` property to be able to identify `FS.ErrnoError` + // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway. + // - when using PROXYFS, an error can come from an underlying FS + // as different FS objects have their own FS.ErrnoError each, + // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs. + // we'll use the reliable test `err.name == "ErrnoError"` instead + constructor(errno) { + this.errno = errno; + } + }, + FSStream: class { + shared={}; + get object() { + return this.node; + } + set object(val) { + this.node = val; + } + get isRead() { + return (this.flags & 2097155) !== 1; + } + get isWrite() { + return (this.flags & 2097155) !== 0; + } + get isAppend() { + return (this.flags & 1024); + } + get flags() { + return this.shared.flags; + } + set flags(val) { + this.shared.flags = val; + } + get position() { + return this.shared.position; + } + set position(val) { + this.shared.position = val; + } + }, + FSNode: class { + node_ops={}; + stream_ops={}; + readMode=292 | 73; + writeMode=146; + mounted=null; + constructor(parent, name, mode, rdev) { + if (!parent) { + parent = this; + } + this.parent = parent; + this.mount = parent.mount; + this.id = FS.nextInode++; + this.name = name; + this.mode = mode; + this.rdev = rdev; + this.atime = this.mtime = this.ctime = Date.now(); + } + get read() { + return (this.mode & this.readMode) === this.readMode; + } + set read(val) { + val ? this.mode |= this.readMode : this.mode &= ~this.readMode; + } + get write() { + return (this.mode & this.writeMode) === this.writeMode; + } + set write(val) { + val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode; + } + get isFolder() { + return FS.isDir(this.mode); + } + get isDevice() { + return FS.isChrdev(this.mode); + } + }, + lookupPath(path, opts = {}) { + if (!path) { + throw new FS.ErrnoError(44); + } + opts.follow_mount ??= true; + if (!PATH.isAbs(path)) { + path = FS.cwd() + "/" + path; + } + // limit max consecutive symlinks to 40 (SYMLOOP_MAX). + linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) { + // split the absolute path + var parts = path.split("/").filter(p => !!p); + // start at the root + var current = FS.root; + var current_path = "/"; + for (var i = 0; i < parts.length; i++) { + var islast = (i === parts.length - 1); + if (islast && opts.parent) { + // stop resolving + break; + } + if (parts[i] === ".") { + continue; + } + if (parts[i] === "..") { + current_path = PATH.dirname(current_path); + current = current.parent; + continue; + } + current_path = PATH.join2(current_path, parts[i]); + try { + current = FS.lookupNode(current, parts[i]); + } catch (e) { + // if noent_okay is true, suppress a ENOENT in the last component + // and return an object with an undefined node. This is needed for + // resolving symlinks in the path when creating a file. + if ((e?.errno === 44) && islast && opts.noent_okay) { + return { + path: current_path + }; + } + throw e; + } + // jump to the mount's root node if this is a mountpoint + if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) { + current = current.mounted.root; + } + // by default, lookupPath will not follow a symlink if it is the final path component. + // setting opts.follow = true will override this behavior. + if (FS.isLink(current.mode) && (!islast || opts.follow)) { + if (!current.node_ops.readlink) { + throw new FS.ErrnoError(52); + } + var link = current.node_ops.readlink(current); + if (!PATH.isAbs(link)) { + link = PATH.dirname(current_path) + "/" + link; + } + path = link + "/" + parts.slice(i + 1).join("/"); + continue linkloop; + } + } + return { + path: current_path, + node: current + }; + } + throw new FS.ErrnoError(32); + }, + getPath(node) { + var path; + while (true) { + if (FS.isRoot(node)) { + var mount = node.mount.mountpoint; + if (!path) return mount; + return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path; + } + path = path ? `${node.name}/${path}` : node.name; + node = node.parent; + } + }, + hashName(parentid, name) { + var hash = 0; + for (var i = 0; i < name.length; i++) { + hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; + } + return ((parentid + hash) >>> 0) % FS.nameTable.length; + }, + hashAddNode(node) { + var hash = FS.hashName(node.parent.id, node.name); + node.name_next = FS.nameTable[hash]; + FS.nameTable[hash] = node; + }, + hashRemoveNode(node) { + var hash = FS.hashName(node.parent.id, node.name); + if (FS.nameTable[hash] === node) { + FS.nameTable[hash] = node.name_next; + } else { + var current = FS.nameTable[hash]; + while (current) { + if (current.name_next === node) { + current.name_next = node.name_next; + break; + } + current = current.name_next; + } + } + }, + lookupNode(parent, name) { + var errCode = FS.mayLookup(parent); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + var hash = FS.hashName(parent.id, name); + for (var node = FS.nameTable[hash]; node; node = node.name_next) { + var nodeName = node.name; + if (node.parent.id === parent.id && nodeName === name) { + return node; + } + } + // if we failed to find it in the cache, call into the VFS + return FS.lookup(parent, name); + }, + createNode(parent, name, mode, rdev) { + var node = new FS.FSNode(parent, name, mode, rdev); + FS.hashAddNode(node); + return node; + }, + destroyNode(node) { + FS.hashRemoveNode(node); + }, + isRoot(node) { + return node === node.parent; + }, + isMountpoint(node) { + return !!node.mounted; + }, + isFile(mode) { + return (mode & 61440) === 32768; + }, + isDir(mode) { + return (mode & 61440) === 16384; + }, + isLink(mode) { + return (mode & 61440) === 40960; + }, + isChrdev(mode) { + return (mode & 61440) === 8192; + }, + isBlkdev(mode) { + return (mode & 61440) === 24576; + }, + isFIFO(mode) { + return (mode & 61440) === 4096; + }, + isSocket(mode) { + return (mode & 49152) === 49152; + }, + flagsToPermissionString(flag) { + var perms = [ "r", "w", "rw" ][flag & 3]; + if ((flag & 512)) { + perms += "w"; + } + return perms; + }, + nodePermissions(node, perms) { + if (FS.ignorePermissions) { + return 0; + } + // return 0 if any user, group or owner bits are set. + if (perms.includes("r") && !(node.mode & 292)) { + return 2; + } else if (perms.includes("w") && !(node.mode & 146)) { + return 2; + } else if (perms.includes("x") && !(node.mode & 73)) { + return 2; + } + return 0; + }, + mayLookup(dir) { + if (!FS.isDir(dir.mode)) return 54; + var errCode = FS.nodePermissions(dir, "x"); + if (errCode) return errCode; + if (!dir.node_ops.lookup) return 2; + return 0; + }, + mayCreate(dir, name) { + if (!FS.isDir(dir.mode)) { + return 54; + } + try { + var node = FS.lookupNode(dir, name); + return 20; + } catch (e) {} + return FS.nodePermissions(dir, "wx"); + }, + mayDelete(dir, name, isdir) { + var node; + try { + node = FS.lookupNode(dir, name); + } catch (e) { + return e.errno; + } + var errCode = FS.nodePermissions(dir, "wx"); + if (errCode) { + return errCode; + } + if (isdir) { + if (!FS.isDir(node.mode)) { + return 54; + } + if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { + return 10; + } + } else { + if (FS.isDir(node.mode)) { + return 31; + } + } + return 0; + }, + mayOpen(node, flags) { + if (!node) { + return 44; + } + if (FS.isLink(node.mode)) { + return 32; + } else if (FS.isDir(node.mode)) { + if (FS.flagsToPermissionString(flags) !== "r" || (flags & (512 | 64))) { + // TODO: check for O_SEARCH? (== search for dir only) + return 31; + } + } + return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); + }, + checkOpExists(op, err) { + if (!op) { + throw new FS.ErrnoError(err); + } + return op; + }, + MAX_OPEN_FDS: 4096, + nextfd() { + for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) { + if (!FS.streams[fd]) { + return fd; + } + } + throw new FS.ErrnoError(33); + }, + getStreamChecked(fd) { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + return stream; + }, + getStream: fd => FS.streams[fd], + createStream(stream, fd = -1) { + // clone it, so we can return an instance of FSStream + stream = Object.assign(new FS.FSStream, stream); + if (fd == -1) { + fd = FS.nextfd(); + } + stream.fd = fd; + FS.streams[fd] = stream; + return stream; + }, + closeStream(fd) { + FS.streams[fd] = null; + }, + dupStream(origStream, fd = -1) { + var stream = FS.createStream(origStream, fd); + stream.stream_ops?.dup?.(stream); + return stream; + }, + doSetAttr(stream, node, attr) { + var setattr = stream?.stream_ops.setattr; + var arg = setattr ? stream : node; + setattr ??= node.node_ops.setattr; + FS.checkOpExists(setattr, 63); + setattr(arg, attr); + }, + chrdev_stream_ops: { + open(stream) { + var device = FS.getDevice(stream.node.rdev); + // override node's stream ops with the device's + stream.stream_ops = device.stream_ops; + // forward the open call + stream.stream_ops.open?.(stream); + }, + llseek() { + throw new FS.ErrnoError(70); + } + }, + major: dev => ((dev) >> 8), + minor: dev => ((dev) & 255), + makedev: (ma, mi) => ((ma) << 8 | (mi)), + registerDevice(dev, ops) { + FS.devices[dev] = { + stream_ops: ops + }; + }, + getDevice: dev => FS.devices[dev], + getMounts(mount) { + var mounts = []; + var check = [ mount ]; + while (check.length) { + var m = check.pop(); + mounts.push(m); + check.push(...m.mounts); + } + return mounts; + }, + syncfs(populate, callback) { + if (typeof populate == "function") { + callback = populate; + populate = false; + } + FS.syncFSRequests++; + if (FS.syncFSRequests > 1) { + err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`); + } + var mounts = FS.getMounts(FS.root.mount); + var completed = 0; + function doCallback(errCode) { + FS.syncFSRequests--; + return callback(errCode); + } + function done(errCode) { + if (errCode) { + if (!done.errored) { + done.errored = true; + return doCallback(errCode); + } + return; + } + if (++completed >= mounts.length) { + doCallback(null); + } + } + // sync all mounts + mounts.forEach(mount => { + if (!mount.type.syncfs) { + return done(null); + } + mount.type.syncfs(mount, populate, done); + }); + }, + mount(type, opts, mountpoint) { + var root = mountpoint === "/"; + var pseudo = !mountpoint; + var node; + if (root && FS.root) { + throw new FS.ErrnoError(10); + } else if (!root && !pseudo) { + var lookup = FS.lookupPath(mountpoint, { + follow_mount: false + }); + mountpoint = lookup.path; + // use the absolute path + node = lookup.node; + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + if (!FS.isDir(node.mode)) { + throw new FS.ErrnoError(54); + } + } + var mount = { + type, + opts, + mountpoint, + mounts: [] + }; + // create a root node for the fs + var mountRoot = type.mount(mount); + mountRoot.mount = mount; + mount.root = mountRoot; + if (root) { + FS.root = mountRoot; + } else if (node) { + // set as a mountpoint + node.mounted = mount; + // add the new mount to the current mount's children + if (node.mount) { + node.mount.mounts.push(mount); + } + } + return mountRoot; + }, + unmount(mountpoint) { + var lookup = FS.lookupPath(mountpoint, { + follow_mount: false + }); + if (!FS.isMountpoint(lookup.node)) { + throw new FS.ErrnoError(28); + } + // destroy the nodes for this mount, and all its child mounts + var node = lookup.node; + var mount = node.mounted; + var mounts = FS.getMounts(mount); + Object.keys(FS.nameTable).forEach(hash => { + var current = FS.nameTable[hash]; + while (current) { + var next = current.name_next; + if (mounts.includes(current.mount)) { + FS.destroyNode(current); + } + current = next; + } + }); + // no longer a mountpoint + node.mounted = null; + // remove this mount from the child mounts + var idx = node.mount.mounts.indexOf(mount); + node.mount.mounts.splice(idx, 1); + }, + lookup(parent, name) { + return parent.node_ops.lookup(parent, name); + }, + mknod(path, mode, dev) { + var lookup = FS.lookupPath(path, { + parent: true + }); + var parent = lookup.node; + var name = PATH.basename(path); + if (!name) { + throw new FS.ErrnoError(28); + } + if (name === "." || name === "..") { + throw new FS.ErrnoError(20); + } + var errCode = FS.mayCreate(parent, name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.mknod) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.mknod(parent, name, mode, dev); + }, + statfs(path) { + return FS.statfsNode(FS.lookupPath(path, { + follow: true + }).node); + }, + statfsStream(stream) { + // We keep a separate statfsStream function because noderawfs overrides + // it. In noderawfs, stream.node is sometimes null. Instead, we need to + // look at stream.path. + return FS.statfsNode(stream.node); + }, + statfsNode(node) { + // NOTE: None of the defaults here are true. We're just returning safe and + // sane values. Currently nodefs and rawfs replace these defaults, + // other file systems leave them alone. + var rtn = { + bsize: 4096, + frsize: 4096, + blocks: 1e6, + bfree: 5e5, + bavail: 5e5, + files: FS.nextInode, + ffree: FS.nextInode - 1, + fsid: 42, + flags: 2, + namelen: 255 + }; + if (node.node_ops.statfs) { + Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root)); + } + return rtn; + }, + create(path, mode = 438) { + mode &= 4095; + mode |= 32768; + return FS.mknod(path, mode, 0); + }, + mkdir(path, mode = 511) { + mode &= 511 | 512; + mode |= 16384; + return FS.mknod(path, mode, 0); + }, + mkdirTree(path, mode) { + var dirs = path.split("/"); + var d = ""; + for (var dir of dirs) { + if (!dir) continue; + d += "/" + dir; + try { + FS.mkdir(d, mode); + } catch (e) { + if (e.errno != 20) throw e; + } + } + }, + mkdev(path, mode, dev) { + if (typeof dev == "undefined") { + dev = mode; + mode = 438; + } + mode |= 8192; + return FS.mknod(path, mode, dev); + }, + symlink(oldpath, newpath) { + if (!PATH_FS.resolve(oldpath)) { + throw new FS.ErrnoError(44); + } + var lookup = FS.lookupPath(newpath, { + parent: true + }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var newname = PATH.basename(newpath); + var errCode = FS.mayCreate(parent, newname); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.symlink) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.symlink(parent, newname, oldpath); + }, + rename(old_path, new_path) { + var old_dirname = PATH.dirname(old_path); + var new_dirname = PATH.dirname(new_path); + var old_name = PATH.basename(old_path); + var new_name = PATH.basename(new_path); + // parents must exist + var lookup, old_dir, new_dir; + // let the errors from non existent directories percolate up + lookup = FS.lookupPath(old_path, { + parent: true + }); + old_dir = lookup.node; + lookup = FS.lookupPath(new_path, { + parent: true + }); + new_dir = lookup.node; + if (!old_dir || !new_dir) throw new FS.ErrnoError(44); + // need to be part of the same mount + if (old_dir.mount !== new_dir.mount) { + throw new FS.ErrnoError(75); + } + // source must exist + var old_node = FS.lookupNode(old_dir, old_name); + // old path should not be an ancestor of the new path + var relative = PATH_FS.relative(old_path, new_dirname); + if (relative.charAt(0) !== ".") { + throw new FS.ErrnoError(28); + } + // new path should not be an ancestor of the old path + relative = PATH_FS.relative(new_path, old_dirname); + if (relative.charAt(0) !== ".") { + throw new FS.ErrnoError(55); + } + // see if the new path already exists + var new_node; + try { + new_node = FS.lookupNode(new_dir, new_name); + } catch (e) {} + // early out if nothing needs to change + if (old_node === new_node) { + return; + } + // we'll need to delete the old entry + var isdir = FS.isDir(old_node.mode); + var errCode = FS.mayDelete(old_dir, old_name, isdir); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + // need delete permissions if we'll be overwriting. + // need create permissions if new doesn't already exist. + errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!old_dir.node_ops.rename) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { + throw new FS.ErrnoError(10); + } + // if we are going to change the parent, check write permissions + if (new_dir !== old_dir) { + errCode = FS.nodePermissions(old_dir, "w"); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + // remove the node from the lookup hash + FS.hashRemoveNode(old_node); + // do the underlying fs rename + try { + old_dir.node_ops.rename(old_node, new_dir, new_name); + // update old node (we do this here to avoid each backend + // needing to) + old_node.parent = new_dir; + } catch (e) { + throw e; + } finally { + // add the node back to the hash (in case node_ops.rename + // changed its name) + FS.hashAddNode(old_node); + } + }, + rmdir(path) { + var lookup = FS.lookupPath(path, { + parent: true + }); + var parent = lookup.node; + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, true); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.rmdir) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.rmdir(parent, name); + FS.destroyNode(node); + }, + readdir(path) { + var lookup = FS.lookupPath(path, { + follow: true + }); + var node = lookup.node; + var readdir = FS.checkOpExists(node.node_ops.readdir, 54); + return readdir(node); + }, + unlink(path) { + var lookup = FS.lookupPath(path, { + parent: true + }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, false); + if (errCode) { + // According to POSIX, we should map EISDIR to EPERM, but + // we instead do what Linux does (and we must, as we use + // the musl linux libc). + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.unlink) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.unlink(parent, name); + FS.destroyNode(node); + }, + readlink(path) { + var lookup = FS.lookupPath(path); + var link = lookup.node; + if (!link) { + throw new FS.ErrnoError(44); + } + if (!link.node_ops.readlink) { + throw new FS.ErrnoError(28); + } + return link.node_ops.readlink(link); + }, + stat(path, dontFollow) { + var lookup = FS.lookupPath(path, { + follow: !dontFollow + }); + var node = lookup.node; + var getattr = FS.checkOpExists(node.node_ops.getattr, 63); + return getattr(node); + }, + fstat(fd) { + var stream = FS.getStreamChecked(fd); + var node = stream.node; + var getattr = stream.stream_ops.getattr; + var arg = getattr ? stream : node; + getattr ??= node.node_ops.getattr; + FS.checkOpExists(getattr, 63); + return getattr(arg); + }, + lstat(path) { + return FS.stat(path, true); + }, + doChmod(stream, node, mode, dontFollow) { + FS.doSetAttr(stream, node, { + mode: (mode & 4095) | (node.mode & ~4095), + ctime: Date.now(), + dontFollow + }); + }, + chmod(path, mode, dontFollow) { + var node; + if (typeof path == "string") { + var lookup = FS.lookupPath(path, { + follow: !dontFollow + }); + node = lookup.node; + } else { + node = path; + } + FS.doChmod(null, node, mode, dontFollow); + }, + lchmod(path, mode) { + FS.chmod(path, mode, true); + }, + fchmod(fd, mode) { + var stream = FS.getStreamChecked(fd); + FS.doChmod(stream, stream.node, mode, false); + }, + doChown(stream, node, dontFollow) { + FS.doSetAttr(stream, node, { + timestamp: Date.now(), + dontFollow + }); + }, + chown(path, uid, gid, dontFollow) { + var node; + if (typeof path == "string") { + var lookup = FS.lookupPath(path, { + follow: !dontFollow + }); + node = lookup.node; + } else { + node = path; + } + FS.doChown(null, node, dontFollow); + }, + lchown(path, uid, gid) { + FS.chown(path, uid, gid, true); + }, + fchown(fd, uid, gid) { + var stream = FS.getStreamChecked(fd); + FS.doChown(stream, stream.node, false); + }, + doTruncate(stream, node, len) { + if (FS.isDir(node.mode)) { + throw new FS.ErrnoError(31); + } + if (!FS.isFile(node.mode)) { + throw new FS.ErrnoError(28); + } + var errCode = FS.nodePermissions(node, "w"); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + FS.doSetAttr(stream, node, { + size: len, + timestamp: Date.now() + }); + }, + truncate(path, len) { + if (len < 0) { + throw new FS.ErrnoError(28); + } + var node; + if (typeof path == "string") { + var lookup = FS.lookupPath(path, { + follow: true + }); + node = lookup.node; + } else { + node = path; + } + FS.doTruncate(null, node, len); + }, + ftruncate(fd, len) { + var stream = FS.getStreamChecked(fd); + if (len < 0 || (stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(28); + } + FS.doTruncate(stream, stream.node, len); + }, + utime(path, atime, mtime) { + var lookup = FS.lookupPath(path, { + follow: true + }); + var node = lookup.node; + var setattr = FS.checkOpExists(node.node_ops.setattr, 63); + setattr(node, { + atime, + mtime + }); + }, + open(path, flags, mode = 438) { + if (path === "") { + throw new FS.ErrnoError(44); + } + flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags; + if ((flags & 64)) { + mode = (mode & 4095) | 32768; + } else { + mode = 0; + } + var node; + var isDirPath; + if (typeof path == "object") { + node = path; + } else { + isDirPath = path.endsWith("/"); + // noent_okay makes it so that if the final component of the path + // doesn't exist, lookupPath returns `node: undefined`. `path` will be + // updated to point to the target of all symlinks. + var lookup = FS.lookupPath(path, { + follow: !(flags & 131072), + noent_okay: true + }); + node = lookup.node; + path = lookup.path; + } + // perhaps we need to create the node + var created = false; + if ((flags & 64)) { + if (node) { + // if O_CREAT and O_EXCL are set, error out if the node already exists + if ((flags & 128)) { + throw new FS.ErrnoError(20); + } + } else if (isDirPath) { + throw new FS.ErrnoError(31); + } else { + // node doesn't exist, try to create it + // Ignore the permission bits here to ensure we can `open` this new + // file below. We use chmod below the apply the permissions once the + // file is open. + node = FS.mknod(path, mode | 511, 0); + created = true; + } + } + if (!node) { + throw new FS.ErrnoError(44); + } + // can't truncate a device + if (FS.isChrdev(node.mode)) { + flags &= ~512; + } + // if asked only for a directory, then this must be one + if ((flags & 65536) && !FS.isDir(node.mode)) { + throw new FS.ErrnoError(54); + } + // check permissions, if this is not a file we just created now (it is ok to + // create and write to a file with read-only permissions; it is read-only + // for later use) + if (!created) { + var errCode = FS.mayOpen(node, flags); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + // do truncation if necessary + if ((flags & 512) && !created) { + FS.truncate(node, 0); + } + // we've already handled these, don't pass down to the underlying vfs + flags &= ~(128 | 512 | 131072); + // register the stream with the filesystem + var stream = FS.createStream({ + node, + path: FS.getPath(node), + // we want the absolute path to the node + flags, + seekable: true, + position: 0, + stream_ops: node.stream_ops, + // used by the file family libc calls (fopen, fwrite, ferror, etc.) + ungotten: [], + error: false + }); + // call the new stream's open function + if (stream.stream_ops.open) { + stream.stream_ops.open(stream); + } + if (created) { + FS.chmod(node, mode & 511); + } + if (Module["logReadFiles"] && !(flags & 1)) { + if (!(path in FS.readFiles)) { + FS.readFiles[path] = 1; + } + } + return stream; + }, + close(stream) { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (stream.getdents) stream.getdents = null; + // free readdir state + try { + if (stream.stream_ops.close) { + stream.stream_ops.close(stream); + } + } catch (e) { + throw e; + } finally { + FS.closeStream(stream.fd); + } + stream.fd = null; + }, + isClosed(stream) { + return stream.fd === null; + }, + llseek(stream, offset, whence) { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (!stream.seekable || !stream.stream_ops.llseek) { + throw new FS.ErrnoError(70); + } + if (whence != 0 && whence != 1 && whence != 2) { + throw new FS.ErrnoError(28); + } + stream.position = stream.stream_ops.llseek(stream, offset, whence); + stream.ungotten = []; + return stream.position; + }, + read(stream, buffer, offset, length, position) { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.read) { + throw new FS.ErrnoError(28); + } + var seeking = typeof position != "undefined"; + if (!seeking) { + position = stream.position; + } else if (!stream.seekable) { + throw new FS.ErrnoError(70); + } + var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); + if (!seeking) stream.position += bytesRead; + return bytesRead; + }, + write(stream, buffer, offset, length, position, canOwn) { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.write) { + throw new FS.ErrnoError(28); + } + if (stream.seekable && stream.flags & 1024) { + // seek to the end before writing in append mode + FS.llseek(stream, 0, 2); + } + var seeking = typeof position != "undefined"; + if (!seeking) { + position = stream.position; + } else if (!stream.seekable) { + throw new FS.ErrnoError(70); + } + var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); + if (!seeking) stream.position += bytesWritten; + return bytesWritten; + }, + mmap(stream, length, position, prot, flags) { + // User requests writing to file (prot & PROT_WRITE != 0). + // Checking if we have permissions to write to the file unless + // MAP_PRIVATE flag is set. According to POSIX spec it is possible + // to write to file opened in read-only mode with MAP_PRIVATE flag, + // as all modifications will be visible only in the memory of + // the current process. + if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) { + throw new FS.ErrnoError(2); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(2); + } + if (!stream.stream_ops.mmap) { + throw new FS.ErrnoError(43); + } + if (!length) { + throw new FS.ErrnoError(28); + } + return stream.stream_ops.mmap(stream, length, position, prot, flags); + }, + msync(stream, buffer, offset, length, mmapFlags) { + if (!stream.stream_ops.msync) { + return 0; + } + return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); + }, + ioctl(stream, cmd, arg) { + if (!stream.stream_ops.ioctl) { + throw new FS.ErrnoError(59); + } + return stream.stream_ops.ioctl(stream, cmd, arg); + }, + readFile(path, opts = {}) { + opts.flags = opts.flags || 0; + opts.encoding = opts.encoding || "binary"; + if (opts.encoding !== "utf8" && opts.encoding !== "binary") { + throw new Error(`Invalid encoding type "${opts.encoding}"`); + } + var ret; + var stream = FS.open(path, opts.flags); + var stat = FS.stat(path); + var length = stat.size; + var buf = new Uint8Array(length); + FS.read(stream, buf, 0, length, 0); + if (opts.encoding === "utf8") { + ret = UTF8ArrayToString(buf); + } else if (opts.encoding === "binary") { + ret = buf; + } + FS.close(stream); + return ret; + }, + writeFile(path, data, opts = {}) { + opts.flags = opts.flags || 577; + var stream = FS.open(path, opts.flags, opts.mode); + if (typeof data == "string") { + var buf = new Uint8Array(lengthBytesUTF8(data) + 1); + var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); + FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); + } else if (ArrayBuffer.isView(data)) { + FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); + } else { + throw new Error("Unsupported data type"); + } + FS.close(stream); + }, + cwd: () => FS.currentPath, + chdir(path) { + var lookup = FS.lookupPath(path, { + follow: true + }); + if (lookup.node === null) { + throw new FS.ErrnoError(44); + } + if (!FS.isDir(lookup.node.mode)) { + throw new FS.ErrnoError(54); + } + var errCode = FS.nodePermissions(lookup.node, "x"); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + FS.currentPath = lookup.path; + }, + createDefaultDirectories() { + FS.mkdir("/tmp"); + FS.mkdir("/home"); + FS.mkdir("/home/web_user"); + }, + createDefaultDevices() { + // create /dev + FS.mkdir("/dev"); + // setup /dev/null + FS.registerDevice(FS.makedev(1, 3), { + read: () => 0, + write: (stream, buffer, offset, length, pos) => length, + llseek: () => 0 + }); + FS.mkdev("/dev/null", FS.makedev(1, 3)); + // setup /dev/tty and /dev/tty1 + // stderr needs to print output using err() rather than out() + // so we register a second tty just for it. + TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); + TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); + FS.mkdev("/dev/tty", FS.makedev(5, 0)); + FS.mkdev("/dev/tty1", FS.makedev(6, 0)); + // setup /dev/[u]random + // use a buffer to avoid overhead of individual crypto calls per byte + var randomBuffer = new Uint8Array(1024), randomLeft = 0; + var randomByte = () => { + if (randomLeft === 0) { + randomFill(randomBuffer); + randomLeft = randomBuffer.byteLength; + } + return randomBuffer[--randomLeft]; + }; + FS.createDevice("/dev", "random", randomByte); + FS.createDevice("/dev", "urandom", randomByte); + // we're not going to emulate the actual shm device, + // just create the tmp dirs that reside in it commonly + FS.mkdir("/dev/shm"); + FS.mkdir("/dev/shm/tmp"); + }, + createSpecialDirectories() { + // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the + // name of the stream for fd 6 (see test_unistd_ttyname) + FS.mkdir("/proc"); + var proc_self = FS.mkdir("/proc/self"); + FS.mkdir("/proc/self/fd"); + FS.mount({ + mount() { + var node = FS.createNode(proc_self, "fd", 16895, 73); + node.stream_ops = { + llseek: MEMFS.stream_ops.llseek + }; + node.node_ops = { + lookup(parent, name) { + var fd = +name; + var stream = FS.getStreamChecked(fd); + var ret = { + parent: null, + mount: { + mountpoint: "fake" + }, + node_ops: { + readlink: () => stream.path + }, + id: fd + 1 + }; + ret.parent = ret; + // make it look like a simple root node + return ret; + }, + readdir() { + return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString()); + } + }; + return node; + } + }, {}, "/proc/self/fd"); + }, + createStandardStreams(input, output, error) { + // TODO deprecate the old functionality of a single + // input / output callback and that utilizes FS.createDevice + // and instead require a unique set of stream ops + // by default, we symlink the standard streams to the + // default tty devices. however, if the standard streams + // have been overwritten we create a unique device for + // them instead. + if (input) { + FS.createDevice("/dev", "stdin", input); + } else { + FS.symlink("/dev/tty", "/dev/stdin"); + } + if (output) { + FS.createDevice("/dev", "stdout", null, output); + } else { + FS.symlink("/dev/tty", "/dev/stdout"); + } + if (error) { + FS.createDevice("/dev", "stderr", null, error); + } else { + FS.symlink("/dev/tty1", "/dev/stderr"); + } + // open default streams for the stdin, stdout and stderr devices + var stdin = FS.open("/dev/stdin", 0); + var stdout = FS.open("/dev/stdout", 1); + var stderr = FS.open("/dev/stderr", 1); + }, + staticInit() { + FS.nameTable = new Array(4096); + FS.mount(MEMFS, {}, "/"); + FS.createDefaultDirectories(); + FS.createDefaultDevices(); + FS.createSpecialDirectories(); + FS.filesystems = { + "MEMFS": MEMFS, + "NODEFS": NODEFS, + "PROXYFS": PROXYFS + }; + }, + init(input, output, error) { + FS.initialized = true; + // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here + input ??= Module["stdin"]; + output ??= Module["stdout"]; + error ??= Module["stderr"]; + FS.createStandardStreams(input, output, error); + }, + quit() { + FS.initialized = false; + // force-flush all streams, so we get musl std streams printed out + _fflush(0); + // close all of our streams + for (var stream of FS.streams) { + if (stream) { + FS.close(stream); + } + } + }, + findObject(path, dontResolveLastLink) { + var ret = FS.analyzePath(path, dontResolveLastLink); + if (!ret.exists) { + return null; + } + return ret.object; + }, + analyzePath(path, dontResolveLastLink) { + // operate from within the context of the symlink's target + try { + var lookup = FS.lookupPath(path, { + follow: !dontResolveLastLink + }); + path = lookup.path; + } catch (e) {} + var ret = { + isRoot: false, + exists: false, + error: 0, + name: null, + path: null, + object: null, + parentExists: false, + parentPath: null, + parentObject: null + }; + try { + var lookup = FS.lookupPath(path, { + parent: true + }); + ret.parentExists = true; + ret.parentPath = lookup.path; + ret.parentObject = lookup.node; + ret.name = PATH.basename(path); + lookup = FS.lookupPath(path, { + follow: !dontResolveLastLink + }); + ret.exists = true; + ret.path = lookup.path; + ret.object = lookup.node; + ret.name = lookup.node.name; + ret.isRoot = lookup.path === "/"; + } catch (e) { + ret.error = e.errno; + } + return ret; + }, + createPath(parent, path, canRead, canWrite) { + parent = typeof parent == "string" ? parent : FS.getPath(parent); + var parts = path.split("/").reverse(); + while (parts.length) { + var part = parts.pop(); + if (!part) continue; + var current = PATH.join2(parent, part); + try { + FS.mkdir(current); + } catch (e) { + if (e.errno != 20) throw e; + } + parent = current; + } + return current; + }, + createFile(parent, name, properties, canRead, canWrite) { + var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name); + var mode = FS_getMode(canRead, canWrite); + return FS.create(path, mode); + }, + createDataFile(parent, name, data, canRead, canWrite, canOwn) { + var path = name; + if (parent) { + parent = typeof parent == "string" ? parent : FS.getPath(parent); + path = name ? PATH.join2(parent, name) : parent; + } + var mode = FS_getMode(canRead, canWrite); + var node = FS.create(path, mode); + if (data) { + if (typeof data == "string") { + var arr = new Array(data.length); + for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); + data = arr; + } + // make sure we can write to the file + FS.chmod(node, mode | 146); + var stream = FS.open(node, 577); + FS.write(stream, data, 0, data.length, 0, canOwn); + FS.close(stream); + FS.chmod(node, mode); + } + }, + createDevice(parent, name, input, output) { + var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name); + var mode = FS_getMode(!!input, !!output); + FS.createDevice.major ??= 64; + var dev = FS.makedev(FS.createDevice.major++, 0); + // Create a fake device that a set of stream ops to emulate + // the old behavior. + FS.registerDevice(dev, { + open(stream) { + stream.seekable = false; + }, + close(stream) { + // flush any pending line data + if (output?.buffer?.length) { + output(10); + } + }, + read(stream, buffer, offset, length, pos) { + var bytesRead = 0; + for (var i = 0; i < length; i++) { + var result; + try { + result = input(); + } catch (e) { + throw new FS.ErrnoError(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + if (result === null || result === undefined) break; + bytesRead++; + buffer[offset + i] = result; + } + if (bytesRead) { + stream.node.atime = Date.now(); + } + return bytesRead; + }, + write(stream, buffer, offset, length, pos) { + for (var i = 0; i < length; i++) { + try { + output(buffer[offset + i]); + } catch (e) { + throw new FS.ErrnoError(29); + } + } + if (length) { + stream.node.mtime = stream.node.ctime = Date.now(); + } + return i; + } + }); + return FS.mkdev(path, mode, dev); + }, + forceLoadFile(obj) { + if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; + if (typeof XMLHttpRequest != "undefined") { + throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); + } else { + // Command-line. + try { + obj.contents = readBinary(obj.url); + obj.usedBytes = obj.contents.length; + } catch (e) { + throw new FS.ErrnoError(29); + } + } + }, + createLazyFile(parent, name, url, canRead, canWrite) { + // Lazy chunked Uint8Array (implements get and length from Uint8Array). + // Actual getting is abstracted away for eventual reuse. + class LazyUint8Array { + lengthKnown=false; + chunks=[]; + // Loaded chunks. Index is the chunk number + get(idx) { + if (idx > this.length - 1 || idx < 0) { + return undefined; + } + var chunkOffset = idx % this.chunkSize; + var chunkNum = (idx / this.chunkSize) | 0; + return this.getter(chunkNum)[chunkOffset]; + } + setDataGetter(getter) { + this.getter = getter; + } + cacheLength() { + // Find length + var xhr = new XMLHttpRequest; + xhr.open("HEAD", url, false); + xhr.send(null); + if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); + var datalength = Number(xhr.getResponseHeader("Content-length")); + var header; + var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; + var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; + var chunkSize = 1024 * 1024; + // Chunk size in bytes + if (!hasByteServing) chunkSize = datalength; + // Function to get a range from the remote URL. + var doXHR = (from, to) => { + if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); + if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!"); + // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. + var xhr = new XMLHttpRequest; + xhr.open("GET", url, false); + if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); + // Some hints to the browser that we want binary data. + xhr.responseType = "arraybuffer"; + if (xhr.overrideMimeType) { + xhr.overrideMimeType("text/plain; charset=x-user-defined"); + } + xhr.send(null); + if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); + if (xhr.response !== undefined) { + return new Uint8Array(/** @type{Array} */ (xhr.response || [])); + } + return intArrayFromString(xhr.responseText || "", true); + }; + var lazyArray = this; + lazyArray.setDataGetter(chunkNum => { + var start = chunkNum * chunkSize; + var end = (chunkNum + 1) * chunkSize - 1; + // including this byte + end = Math.min(end, datalength - 1); + // if datalength-1 is selected, this is the last block + if (typeof lazyArray.chunks[chunkNum] == "undefined") { + lazyArray.chunks[chunkNum] = doXHR(start, end); + } + if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!"); + return lazyArray.chunks[chunkNum]; + }); + if (usesGzip || !datalength) { + // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length + chunkSize = datalength = 1; + // this will force getter(0)/doXHR do download the whole file + datalength = this.getter(0).length; + chunkSize = datalength; + out("LazyFiles on gzip forces download of the whole file when length is accessed"); + } + this._length = datalength; + this._chunkSize = chunkSize; + this.lengthKnown = true; + } + get length() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._length; + } + get chunkSize() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._chunkSize; + } + } + if (typeof XMLHttpRequest != "undefined") { + if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc"; + var lazyArray = new LazyUint8Array; + var properties = { + isDevice: false, + contents: lazyArray + }; + } else { + var properties = { + isDevice: false, + url + }; + } + var node = FS.createFile(parent, name, properties, canRead, canWrite); + // This is a total hack, but I want to get this lazy file code out of the + // core of MEMFS. If we want to keep this lazy file concept I feel it should + // be its own thin LAZYFS proxying calls to MEMFS. + if (properties.contents) { + node.contents = properties.contents; + } else if (properties.url) { + node.contents = null; + node.url = properties.url; + } + // Add a function that defers querying the file size until it is asked the first time. + Object.defineProperties(node, { + usedBytes: { + get: function() { + return this.contents.length; + } + } + }); + // override each stream op with one that tries to force load the lazy file first + var stream_ops = {}; + var keys = Object.keys(node.stream_ops); + keys.forEach(key => { + var fn = node.stream_ops[key]; + stream_ops[key] = (...args) => { + FS.forceLoadFile(node); + return fn(...args); + }; + }); + function writeChunks(stream, buffer, offset, length, position) { + var contents = stream.node.contents; + if (position >= contents.length) return 0; + var size = Math.min(contents.length - position, length); + if (contents.slice) { + // normal array + for (var i = 0; i < size; i++) { + buffer[offset + i] = contents[position + i]; + } + } else { + for (var i = 0; i < size; i++) { + // LazyUint8Array from sync binary XHR + buffer[offset + i] = contents.get(position + i); + } + } + return size; + } + // use a custom read function + stream_ops.read = (stream, buffer, offset, length, position) => { + FS.forceLoadFile(node); + return writeChunks(stream, buffer, offset, length, position); + }; + // use a custom mmap function + stream_ops.mmap = (stream, length, position, prot, flags) => { + FS.forceLoadFile(node); + var ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + writeChunks(stream, HEAP8, ptr, length, position); + return { + ptr, + allocated: true + }; + }; + node.stream_ops = stream_ops; + return node; + } +}; + +Module["FS"] = FS; + +var SOCKFS = { + websocketArgs: {}, + callbacks: {}, + on(event, callback) { + SOCKFS.callbacks[event] = callback; + }, + emit(event, param) { + SOCKFS.callbacks[event]?.(param); + }, + mount(mount) { + // The incomming Module['websocket'] can be used for configuring + // configuring subprotocol/url, etc + SOCKFS.websocketArgs = Module["websocket"] || {}; + // Add the Event registration mechanism to the exported websocket configuration + // object so we can register network callbacks from native JavaScript too. + // For more documentation see system/include/emscripten/emscripten.h + (Module["websocket"] ??= {})["on"] = SOCKFS.on; + return FS.createNode(null, "/", 16895, 0); + }, + createSocket(family, type, protocol) { + type &= ~526336; + // Some applications may pass it; it makes no sense for a single process. + var streaming = type == 1; + if (streaming && protocol && protocol != 6) { + throw new FS.ErrnoError(66); + } + // create our internal socket structure + var sock = { + family, + type, + protocol, + server: null, + error: null, + // Used in getsockopt for SOL_SOCKET/SO_ERROR test + peers: {}, + pending: [], + recv_queue: [], + sock_ops: SOCKFS.websocket_sock_ops + }; + // create the filesystem node to store the socket structure + var name = SOCKFS.nextname(); + var node = FS.createNode(SOCKFS.root, name, 49152, 0); + node.sock = sock; + // and the wrapping stream that enables library functions such + // as read and write to indirectly interact with the socket + var stream = FS.createStream({ + path: name, + node, + flags: 2, + seekable: false, + stream_ops: SOCKFS.stream_ops + }); + // map the new stream to the socket structure (sockets have a 1:1 + // relationship with a stream) + sock.stream = stream; + return sock; + }, + getSocket(fd) { + var stream = FS.getStream(fd); + if (!stream || !FS.isSocket(stream.node.mode)) { + return null; + } + return stream.node.sock; + }, + stream_ops: { + poll(stream) { + var sock = stream.node.sock; + return sock.sock_ops.poll(sock); + }, + ioctl(stream, request, varargs) { + var sock = stream.node.sock; + return sock.sock_ops.ioctl(sock, request, varargs); + }, + read(stream, buffer, offset, length, position) { + var sock = stream.node.sock; + var msg = sock.sock_ops.recvmsg(sock, length); + if (!msg) { + // socket is closed + return 0; + } + buffer.set(msg.buffer, offset); + return msg.buffer.length; + }, + write(stream, buffer, offset, length, position) { + var sock = stream.node.sock; + return sock.sock_ops.sendmsg(sock, buffer, offset, length); + }, + close(stream) { + var sock = stream.node.sock; + sock.sock_ops.close(sock); + } + }, + nextname() { + if (!SOCKFS.nextname.current) { + SOCKFS.nextname.current = 0; + } + return `socket[${SOCKFS.nextname.current++}]`; + }, + websocket_sock_ops: { + createPeer(sock, addr, port) { + var ws; + if (typeof addr == "object") { + ws = addr; + addr = null; + port = null; + } + if (ws) { + // for sockets that've already connected (e.g. we're the server) + // we can inspect the _socket property for the address + if (ws._socket) { + addr = ws._socket.remoteAddress; + port = ws._socket.remotePort; + } else { + var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url); + if (!result) { + throw new Error("WebSocket URL must be in the format ws(s)://address:port"); + } + addr = result[1]; + port = parseInt(result[2], 10); + } + } else { + // create the actual websocket object and connect + try { + // The default value is 'ws://' the replace is needed because the compiler replaces '//' comments with '#' + // comments without checking context, so we'd end up with ws:#, the replace swaps the '#' for '//' again. + var url = "ws://".replace("#", "//"); + // Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default to binary if no configuration is set. + var subProtocols = "binary"; + // The default value is 'binary' + // The default WebSocket options + var opts = undefined; + // Fetch runtime WebSocket URL config. + if("function"===typeof SOCKFS.websocketArgs["url"]) { +url = SOCKFS.websocketArgs["url"](...arguments); +}else if ("string" === typeof SOCKFS.websocketArgs["url"]) { + url = SOCKFS.websocketArgs["url"]; + } + // Fetch runtime WebSocket subprotocol config. + if (SOCKFS.websocketArgs["subprotocol"]) { + subProtocols = SOCKFS.websocketArgs["subprotocol"]; + } else if (SOCKFS.websocketArgs["subprotocol"] === null) { + subProtocols = "null"; + } + if (url === "ws://" || url === "wss://") { + // Is the supplied URL config just a prefix, if so complete it. + var parts = addr.split("/"); + url = url + parts[0] + ":" + port + "/" + parts.slice(1).join("/"); + } + if (subProtocols !== "null") { + // The regex trims the string (removes spaces at the beginning and end, then splits the string by + // , into an Array. Whitespace removal is important for Websockify and ws. + subProtocols = subProtocols.replace(/^ +| +$/g, "").split(/ *, */); + opts = subProtocols; + } + // If node we use the ws library. + var WebSocketConstructor; + if (ENVIRONMENT_IS_NODE) { + WebSocketConstructor = /** @type{(typeof WebSocket)} */ (require("ws")); + } else { + WebSocketConstructor = WebSocket; + } + if (Module['websocket']['decorator']) {WebSocketConstructor = Module['websocket']['decorator'](WebSocketConstructor);}ws = new WebSocketConstructor(url, opts); + ws.binaryType = "arraybuffer"; + } catch (e) { + throw new FS.ErrnoError(23); + } + } + var peer = { + addr, + port, + socket: ws, + msg_send_queue: [] + }; + SOCKFS.websocket_sock_ops.addPeer(sock, peer); + SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer); + // if this is a bound dgram socket, send the port number first to allow + // us to override the ephemeral port reported to us by remotePort on the + // remote end. + if (sock.type === 2 && typeof sock.sport != "undefined") { + peer.msg_send_queue.push(new Uint8Array([ 255, 255, 255, 255, "p".charCodeAt(0), "o".charCodeAt(0), "r".charCodeAt(0), "t".charCodeAt(0), ((sock.sport & 65280) >> 8), (sock.sport & 255) ])); + } + return peer; + }, + getPeer(sock, addr, port) { + return sock.peers[addr + ":" + port]; + }, + addPeer(sock, peer) { + sock.peers[peer.addr + ":" + peer.port] = peer; + }, + removePeer(sock, peer) { + delete sock.peers[peer.addr + ":" + peer.port]; + }, + handlePeerEvents(sock, peer) { + var first = true; + var handleOpen = function() { + sock.connecting = false; + SOCKFS.emit("open", sock.stream.fd); + try { + var queued = peer.msg_send_queue.shift(); + while (queued) { + peer.socket.send(queued); + queued = peer.msg_send_queue.shift(); + } + } catch (e) { + // not much we can do here in the way of proper error handling as we've already + // lied and said this data was sent. shut it down. + peer.socket.close(); + } + }; + function handleMessage(data) { + if (typeof data == "string") { + var encoder = new TextEncoder; + // should be utf-8 + data = encoder.encode(data); + } else { + assert(data.byteLength !== undefined); + // must receive an ArrayBuffer + if (data.byteLength == 0) { + // An empty ArrayBuffer will emit a pseudo disconnect event + // as recv/recvmsg will return zero which indicates that a socket + // has performed a shutdown although the connection has not been disconnected yet. + return; + } + data = new Uint8Array(data); + } + // if this is the port message, override the peer's port with it + var wasfirst = first; + first = false; + if (wasfirst && data.length === 10 && data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 && data[4] === "p".charCodeAt(0) && data[5] === "o".charCodeAt(0) && data[6] === "r".charCodeAt(0) && data[7] === "t".charCodeAt(0)) { + // update the peer's port and it's key in the peer map + var newport = ((data[8] << 8) | data[9]); + SOCKFS.websocket_sock_ops.removePeer(sock, peer); + peer.port = newport; + SOCKFS.websocket_sock_ops.addPeer(sock, peer); + return; + } + sock.recv_queue.push({ + addr: peer.addr, + port: peer.port, + data + }); + SOCKFS.emit("message", sock.stream.fd); + } + if (ENVIRONMENT_IS_NODE) { + peer.socket.on("open", handleOpen); + peer.socket.on("message", function(data, isBinary) { + if (!isBinary) { + return; + } + handleMessage((new Uint8Array(data)).buffer); + }); + peer.socket.on("close", function() { + SOCKFS.emit("close", sock.stream.fd); + }); + peer.socket.on("error", function(error) { + // Although the ws library may pass errors that may be more descriptive than + // ECONNREFUSED they are not necessarily the expected error code e.g. + // ENOTFOUND on getaddrinfo seems to be node.js specific, so using ECONNREFUSED + // is still probably the most useful thing to do. + sock.error = 14; + // Used in getsockopt for SOL_SOCKET/SO_ERROR test. + SOCKFS.emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]); + }); + } else { + peer.socket.onopen = handleOpen; + peer.socket.onclose = function() { + SOCKFS.emit("close", sock.stream.fd); + }; + peer.socket.onmessage = function peer_socket_onmessage(event) { + handleMessage(event.data); + }; + peer.socket.onerror = function(error) { + // The WebSocket spec only allows a 'simple event' to be thrown on error, + // so we only really know as much as ECONNREFUSED. + sock.error = 14; + // Used in getsockopt for SOL_SOCKET/SO_ERROR test. + SOCKFS.emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]); + }; + } + }, + poll(sock) { + if (sock.type === 1 && sock.server) { + // listen sockets should only say they're available for reading + // if there are pending clients. + return sock.pending.length ? (64 | 1) : 0; + } + var mask = 0; + var dest = sock.type === 1 ? // we only care about the socket state for connection-based sockets + SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : null; + if (sock.recv_queue.length || !dest || // connection-less sockets are always ready to read + (dest && dest.socket.readyState === dest.socket.CLOSING) || (dest && dest.socket.readyState === dest.socket.CLOSED)) { + // let recv return 0 once closed + mask |= (64 | 1); + } + if (!dest || // connection-less sockets are always ready to write + (dest && dest.socket.readyState === dest.socket.OPEN)) { + mask |= 4; + } + if ((dest && dest.socket.readyState === dest.socket.CLOSING) || (dest && dest.socket.readyState === dest.socket.CLOSED)) { + // When an non-blocking connect fails mark the socket as writable. + // Its up to the calling code to then use getsockopt with SO_ERROR to + // retrieve the error. + // See https://man7.org/linux/man-pages/man2/connect.2.html + if (sock.connecting) { + mask |= 4; + } else { + mask |= 16; + } + } + return mask; + }, + ioctl(sock, request, arg) { + switch (request) { + case 21531: + var bytes = 0; + if (sock.recv_queue.length) { + bytes = sock.recv_queue[0].data.length; + } + HEAP32[((arg) >> 2)] = bytes; + return 0; + + default: + return 28; + } + }, + close(sock) { + // if we've spawned a listen server, close it + if (sock.server) { + try { + sock.server.close(); + } catch (e) {} + sock.server = null; + } + // close any peer connections + for (var peer of Object.values(sock.peers)) { + try { + peer.socket.close(); + } catch (e) {} + SOCKFS.websocket_sock_ops.removePeer(sock, peer); + } + return 0; + }, + bind(sock, addr, port) { + if (typeof sock.saddr != "undefined" || typeof sock.sport != "undefined") { + throw new FS.ErrnoError(28); + } + sock.saddr = addr; + sock.sport = port; + // in order to emulate dgram sockets, we need to launch a listen server when + // binding on a connection-less socket + // note: this is only required on the server side + if (sock.type === 2) { + // close the existing server if it exists + if (sock.server) { + sock.server.close(); + sock.server = null; + } + // swallow error operation not supported error that occurs when binding in the + // browser where this isn't supported + try { + sock.sock_ops.listen(sock, 0); + } catch (e) { + if (!(e.name === "ErrnoError")) throw e; + if (e.errno !== 138) throw e; + } + } + }, + connect(sock, addr, port) { + if (sock.server) { + throw new FS.ErrnoError(138); + } + // TODO autobind + // if (!sock.addr && sock.type == 2) { + // } + // early out if we're already connected / in the middle of connecting + if (typeof sock.daddr != "undefined" && typeof sock.dport != "undefined") { + var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport); + if (dest) { + if (dest.socket.readyState === dest.socket.CONNECTING) { + throw new FS.ErrnoError(7); + } else { + throw new FS.ErrnoError(30); + } + } + } + // add the socket to our peer list and set our + // destination address / port to match + var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port); + sock.daddr = peer.addr; + sock.dport = peer.port; + // because we cannot synchronously block to wait for the WebSocket + // connection to complete, we return here pretending that the connection + // was a success. + sock.connecting = true; + }, + listen(sock, backlog) { + if (!ENVIRONMENT_IS_NODE) { + throw new FS.ErrnoError(138); + } + if (sock.server) { + throw new FS.ErrnoError(28); + } + var WebSocketServer = require("ws").Server; + var host = sock.saddr; + if (Module['websocket']['serverDecorator']) {WebSocketServer = Module['websocket']['serverDecorator'](WebSocketServer);}sock.server = new WebSocketServer({ + host, + port: sock.sport + }); + SOCKFS.emit("listen", sock.stream.fd); + // Send Event with listen fd. + sock.server.on("connection", function(ws) { + if (sock.type === 1) { + var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.protocol); + // create a peer on the new socket + var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws); + newsock.daddr = peer.addr; + newsock.dport = peer.port; + // push to queue for accept to pick up + sock.pending.push(newsock); + SOCKFS.emit("connection", newsock.stream.fd); + } else { + // create a peer on the listen socket so calling sendto + // with the listen socket and an address will resolve + // to the correct client + SOCKFS.websocket_sock_ops.createPeer(sock, ws); + SOCKFS.emit("connection", sock.stream.fd); + } + }); + sock.server.on("close", function() { + SOCKFS.emit("close", sock.stream.fd); + sock.server = null; + }); + sock.server.on("error", function(error) { + // Although the ws library may pass errors that may be more descriptive than + // ECONNREFUSED they are not necessarily the expected error code e.g. + // ENOTFOUND on getaddrinfo seems to be node.js specific, so using EHOSTUNREACH + // is still probably the most useful thing to do. This error shouldn't + // occur in a well written app as errors should get trapped in the compiled + // app's own getaddrinfo call. + sock.error = 23; + // Used in getsockopt for SOL_SOCKET/SO_ERROR test. + SOCKFS.emit("error", [ sock.stream.fd, sock.error, "EHOSTUNREACH: Host is unreachable" ]); + }); + }, + accept(listensock) { + if (!listensock.server || !listensock.pending.length) { + throw new FS.ErrnoError(28); + } + var newsock = listensock.pending.shift(); + newsock.stream.flags = listensock.stream.flags; + return newsock; + }, + getname(sock, peer) { + var addr, port; + if (peer) { + if (sock.daddr === undefined || sock.dport === undefined) { + throw new FS.ErrnoError(53); + } + addr = sock.daddr; + port = sock.dport; + } else { + // TODO saddr and sport will be set for bind()'d UDP sockets, but what + // should we be returning for TCP sockets that've been connect()'d? + addr = sock.saddr || 0; + port = sock.sport || 0; + } + return { + addr, + port + }; + }, + sendmsg(sock, buffer, offset, length, addr, port) { + if (sock.type === 2) { + // connection-less sockets will honor the message address, + // and otherwise fall back to the bound destination address + if (addr === undefined || port === undefined) { + addr = sock.daddr; + port = sock.dport; + } + // if there was no address to fall back to, error out + if (addr === undefined || port === undefined) { + throw new FS.ErrnoError(17); + } + } else { + // connection-based sockets will only use the bound + addr = sock.daddr; + port = sock.dport; + } + // find the peer for the destination address + var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port); + // early out if not connected with a connection-based socket + if (sock.type === 1) { + if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { + throw new FS.ErrnoError(53); + } + } + // create a copy of the incoming data to send, as the WebSocket API + // doesn't work entirely with an ArrayBufferView, it'll just send + // the entire underlying buffer + if (ArrayBuffer.isView(buffer)) { + offset += buffer.byteOffset; + buffer = buffer.buffer; + } + var data = buffer.slice(offset, offset + length); + // if we don't have a cached connectionless UDP datagram connection, or + // the TCP socket is still connecting, queue the message to be sent upon + // connect, and lie, saying the data was sent now. + if (!dest || dest.socket.readyState !== dest.socket.OPEN) { + // if we're not connected, open a new connection + if (sock.type === 2) { + if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { + dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port); + } + } + dest.msg_send_queue.push(data); + return length; + } + try { + // send the actual data + dest.socket.send(data); + return length; + } catch (e) { + throw new FS.ErrnoError(28); + } + }, + recvmsg(sock, length, flags) { + // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html + if (sock.type === 1 && sock.server) { + // tcp servers should not be recv()'ing on the listen socket + throw new FS.ErrnoError(53); + } + var queued = sock.recv_queue.shift(); + if (!queued) { + if (sock.type === 1) { + var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport); + if (!dest) { + // if we have a destination address but are not connected, error out + throw new FS.ErrnoError(53); + } + if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) { + // return null if the socket has closed + return null; + } + // else, our socket is in a valid state but truly has nothing available + throw new FS.ErrnoError(6); + } + throw new FS.ErrnoError(6); + } + // queued.data will be an ArrayBuffer if it's unadulterated, but if it's + // requeued TCP data it'll be an ArrayBufferView + var queuedLength = queued.data.byteLength || queued.data.length; + var queuedOffset = queued.data.byteOffset || 0; + var queuedBuffer = queued.data.buffer || queued.data; + var bytesRead = Math.min(length, queuedLength); + var res = { + buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead), + addr: queued.addr, + port: queued.port + }; + // push back any unread data for TCP connections + if (flags&2) {bytesRead = 0;} if (sock.type === 1 && bytesRead < queuedLength) { + var bytesRemaining = queuedLength - bytesRead; + queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining); + sock.recv_queue.unshift(queued); + } + return res; + } + } +}; + +var getSocketFromFD = fd => { + var socket = SOCKFS.getSocket(fd); + if (!socket) throw new FS.ErrnoError(8); + return socket; +}; + +var inetPton4 = str => { + var b = str.split("."); + for (var i = 0; i < 4; i++) { + var tmp = Number(b[i]); + if (isNaN(tmp)) return null; + b[i] = tmp; + } + return (b[0] | (b[1] << 8) | (b[2] << 16) | (b[3] << 24)) >>> 0; +}; + +var inetPton6 = str => { + var words; + var w, offset, z; + /* http://home.deds.nl/~aeron/regex/ */ var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i; + var parts = []; + if (!valid6regx.test(str)) { + return null; + } + if (str === "::") { + return [ 0, 0, 0, 0, 0, 0, 0, 0 ]; + } + // Z placeholder to keep track of zeros when splitting the string on ":" + if (str.startsWith("::")) { + str = str.replace("::", "Z:"); + } else { + str = str.replace("::", ":Z:"); + } + if (str.indexOf(".") > 0) { + // parse IPv4 embedded stress + str = str.replace(new RegExp("[.]", "g"), ":"); + words = str.split(":"); + words[words.length - 4] = Number(words[words.length - 4]) + Number(words[words.length - 3]) * 256; + words[words.length - 3] = Number(words[words.length - 2]) + Number(words[words.length - 1]) * 256; + words = words.slice(0, words.length - 2); + } else { + words = str.split(":"); + } + offset = 0; + z = 0; + for (w = 0; w < words.length; w++) { + if (typeof words[w] == "string") { + if (words[w] === "Z") { + // compressed zeros - write appropriate number of zero words + for (z = 0; z < (8 - words.length + 1); z++) { + parts[w + z] = 0; + } + offset = z - 1; + } else { + // parse hex to field to 16-bit value and write it in network byte-order + parts[w + offset] = _htons(parseInt(words[w], 16)); + } + } else { + // parsed IPv4 words + parts[w + offset] = words[w]; + } + } + return [ (parts[1] << 16) | parts[0], (parts[3] << 16) | parts[2], (parts[5] << 16) | parts[4], (parts[7] << 16) | parts[6] ]; +}; + +/** @param {number=} addrlen */ var writeSockaddr = (sa, family, addr, port, addrlen) => { + switch (family) { + case 2: + addr = inetPton4(addr); + zeroMemory(sa, 16); + if (addrlen) { + HEAP32[((addrlen) >> 2)] = 16; + } + HEAP16[((sa) >> 1)] = family; + HEAP32[(((sa) + (4)) >> 2)] = addr; + HEAP16[(((sa) + (2)) >> 1)] = _htons(port); + break; + + case 10: + addr = inetPton6(addr); + zeroMemory(sa, 28); + if (addrlen) { + HEAP32[((addrlen) >> 2)] = 28; + } + HEAP32[((sa) >> 2)] = family; + HEAP32[(((sa) + (8)) >> 2)] = addr[0]; + HEAP32[(((sa) + (12)) >> 2)] = addr[1]; + HEAP32[(((sa) + (16)) >> 2)] = addr[2]; + HEAP32[(((sa) + (20)) >> 2)] = addr[3]; + HEAP16[(((sa) + (2)) >> 1)] = _htons(port); + break; + + default: + return 5; + } + return 0; +}; + +var DNS = { + address_map: { + id: 1, + addrs: {}, + names: {} + }, + lookup_name(name) { + // If the name is already a valid ipv4 / ipv6 address, don't generate a fake one. + var res = inetPton4(name); + if (res !== null) { + return name; + } + res = inetPton6(name); + if (res !== null) { + return name; + } + // See if this name is already mapped. + var addr; + if (DNS.address_map.addrs[name]) { + addr = DNS.address_map.addrs[name]; + } else { + var id = DNS.address_map.id++; + assert(id < 65535, "exceeded max address mappings of 65535"); + addr = "172.29." + (id & 255) + "." + (id & 65280); + DNS.address_map.names[addr] = name; + DNS.address_map.addrs[name] = addr; + } + return addr; + }, + lookup_addr(addr) { + if (DNS.address_map.names[addr]) { + return DNS.address_map.names[addr]; + } + return null; + } +}; + +function ___syscall_accept4(fd, addr, addrlen, flags, d1, d2) { + try { + var sock = getSocketFromFD(fd); + var newsock = sock.sock_ops.accept(sock); + if (addr) { + var errno = writeSockaddr(addr, newsock.family, DNS.lookup_name(newsock.daddr), newsock.dport, addrlen); + } + return newsock.stream.fd; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_fdatasync(fd) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var inetNtop4 = addr => (addr & 255) + "." + ((addr >> 8) & 255) + "." + ((addr >> 16) & 255) + "." + ((addr >> 24) & 255); + +var inetNtop6 = ints => { + // ref: http://www.ietf.org/rfc/rfc2373.txt - section 2.5.4 + // Format for IPv4 compatible and mapped 128-bit IPv6 Addresses + // 128-bits are split into eight 16-bit words + // stored in network byte order (big-endian) + // | 80 bits | 16 | 32 bits | + // +-----------------------------------------------------------------+ + // | 10 bytes | 2 | 4 bytes | + // +--------------------------------------+--------------------------+ + // + 5 words | 1 | 2 words | + // +--------------------------------------+--------------------------+ + // |0000..............................0000|0000| IPv4 ADDRESS | (compatible) + // +--------------------------------------+----+---------------------+ + // |0000..............................0000|FFFF| IPv4 ADDRESS | (mapped) + // +--------------------------------------+----+---------------------+ + var str = ""; + var word = 0; + var longest = 0; + var lastzero = 0; + var zstart = 0; + var len = 0; + var i = 0; + var parts = [ ints[0] & 65535, (ints[0] >> 16), ints[1] & 65535, (ints[1] >> 16), ints[2] & 65535, (ints[2] >> 16), ints[3] & 65535, (ints[3] >> 16) ]; + // Handle IPv4-compatible, IPv4-mapped, loopback and any/unspecified addresses + var hasipv4 = true; + var v4part = ""; + // check if the 10 high-order bytes are all zeros (first 5 words) + for (i = 0; i < 5; i++) { + if (parts[i] !== 0) { + hasipv4 = false; + break; + } + } + if (hasipv4) { + // low-order 32-bits store an IPv4 address (bytes 13 to 16) (last 2 words) + v4part = inetNtop4(parts[6] | (parts[7] << 16)); + // IPv4-mapped IPv6 address if 16-bit value (bytes 11 and 12) == 0xFFFF (6th word) + if (parts[5] === -1) { + str = "::ffff:"; + str += v4part; + return str; + } + // IPv4-compatible IPv6 address if 16-bit value (bytes 11 and 12) == 0x0000 (6th word) + if (parts[5] === 0) { + str = "::"; + //special case IPv6 addresses + if (v4part === "0.0.0.0") v4part = ""; + // any/unspecified address + if (v4part === "0.0.0.1") v4part = "1"; + // loopback address + str += v4part; + return str; + } + } + // Handle all other IPv6 addresses + // first run to find the longest contiguous zero words + for (word = 0; word < 8; word++) { + if (parts[word] === 0) { + if (word - lastzero > 1) { + len = 0; + } + lastzero = word; + len++; + } + if (len > longest) { + longest = len; + zstart = word - longest + 1; + } + } + for (word = 0; word < 8; word++) { + if (longest > 1) { + // compress contiguous zeros - to produce "::" + if (parts[word] === 0 && word >= zstart && word < (zstart + longest)) { + if (word === zstart) { + str += ":"; + if (zstart === 0) str += ":"; + } + continue; + } + } + // converts 16-bit words from big-endian to little-endian before converting to hex string + str += Number(_ntohs(parts[word] & 65535)).toString(16); + str += word < 7 ? ":" : ""; + } + return str; +}; + +var readSockaddr = (sa, salen) => { + // family / port offsets are common to both sockaddr_in and sockaddr_in6 + var family = HEAP16[((sa) >> 1)]; + var port = _ntohs(HEAPU16[(((sa) + (2)) >> 1)]); + var addr; + switch (family) { + case 2: + if (salen !== 16) { + return { + errno: 28 + }; + } + addr = HEAP32[(((sa) + (4)) >> 2)]; + addr = inetNtop4(addr); + break; + + case 10: + if (salen !== 28) { + return { + errno: 28 + }; + } + addr = [ HEAP32[(((sa) + (8)) >> 2)], HEAP32[(((sa) + (12)) >> 2)], HEAP32[(((sa) + (16)) >> 2)], HEAP32[(((sa) + (20)) >> 2)] ]; + addr = inetNtop6(addr); + break; + + default: + return { + errno: 5 + }; + } + return { + family, + addr, + port + }; +}; + +var getSocketAddress = (addrp, addrlen) => { + var info = readSockaddr(addrp, addrlen); + if (info.errno) throw new FS.ErrnoError(info.errno); + info.addr = DNS.lookup_addr(info.addr) || info.addr; + return info; +}; + +function ___syscall_bind(fd, addr, addrlen, d1, d2, d3) { + try { + var sock = getSocketFromFD(fd); + var info = getSocketAddress(addr, addrlen); + sock.sock_ops.bind(sock, info.addr, info.port); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_fstat64(fd, buf) { - try { - return SYSCALLS.writeStat(buf, FS.fstat(fd)); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var SYSCALLS = { + DEFAULT_POLLMASK: 5, + calculateAt(dirfd, path, allowEmpty) { + if (PATH.isAbs(path)) { + return path; + } + // relative path + var dir; + if (dirfd === -100) { + dir = FS.cwd(); + } else { + var dirstream = SYSCALLS.getStreamFromFD(dirfd); + dir = dirstream.path; + } + if (path.length == 0) { + if (!allowEmpty) { + throw new FS.ErrnoError(44); + } + return dir; + } + return dir + "/" + path; + }, + writeStat(buf, stat) { + HEAP32[((buf) >> 2)] = stat.dev; + HEAP32[(((buf) + (4)) >> 2)] = stat.mode; + HEAPU32[(((buf) + (8)) >> 2)] = stat.nlink; + HEAP32[(((buf) + (12)) >> 2)] = stat.uid; + HEAP32[(((buf) + (16)) >> 2)] = stat.gid; + HEAP32[(((buf) + (20)) >> 2)] = stat.rdev; + HEAP64[(((buf) + (24)) >> 3)] = BigInt(stat.size); + HEAP32[(((buf) + (32)) >> 2)] = 4096; + HEAP32[(((buf) + (36)) >> 2)] = stat.blocks; + var atime = stat.atime.getTime(); + var mtime = stat.mtime.getTime(); + var ctime = stat.ctime.getTime(); + HEAP64[(((buf) + (40)) >> 3)] = BigInt(Math.floor(atime / 1e3)); + HEAPU32[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3; + HEAP64[(((buf) + (56)) >> 3)] = BigInt(Math.floor(mtime / 1e3)); + HEAPU32[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3; + HEAP64[(((buf) + (72)) >> 3)] = BigInt(Math.floor(ctime / 1e3)); + HEAPU32[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3; + HEAP64[(((buf) + (88)) >> 3)] = BigInt(stat.ino); + return 0; + }, + writeStatFs(buf, stats) { + HEAP32[(((buf) + (4)) >> 2)] = stats.bsize; + HEAP32[(((buf) + (40)) >> 2)] = stats.bsize; + HEAP32[(((buf) + (8)) >> 2)] = stats.blocks; + HEAP32[(((buf) + (12)) >> 2)] = stats.bfree; + HEAP32[(((buf) + (16)) >> 2)] = stats.bavail; + HEAP32[(((buf) + (20)) >> 2)] = stats.files; + HEAP32[(((buf) + (24)) >> 2)] = stats.ffree; + HEAP32[(((buf) + (28)) >> 2)] = stats.fsid; + HEAP32[(((buf) + (44)) >> 2)] = stats.flags; + // ST_NOSUID + HEAP32[(((buf) + (36)) >> 2)] = stats.namelen; + }, + doMsync(addr, stream, len, flags, offset) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + if (flags & 2) { + // MAP_PRIVATE calls need not to be synced back to underlying fs + return 0; + } + var buffer = HEAPU8.slice(addr, addr + len); + FS.msync(stream, buffer, offset, len, flags); + }, + getStreamFromFD(fd) { + var stream = FS.getStreamChecked(fd); + return stream; + }, + varargs: undefined, + getStr(ptr) { + var ret = UTF8ToString(ptr); + return ret; + } +}; + +function ___syscall_chdir(path) { + try { + path = SYSCALLS.getStr(path); + FS.chdir(path); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_ftruncate64(fd, length) { - length = bigintToI53Checked(length); - try { - if (isNaN(length)) return 61; - FS.ftruncate(fd, length); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_chmod(path, mode) { + try { + path = SYSCALLS.getStr(path); + FS.chmod(path, mode); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var stringToUTF8 = (str, outPtr, maxBytesToWrite) => - stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite); - - Module['stringToUTF8'] = stringToUTF8; - - function ___syscall_getcwd(buf, size) { - try { - if (size === 0) return -28; - var cwd = FS.cwd(); - var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1; - if (size < cwdLengthInBytes) return -68; - stringToUTF8(cwd, buf, size); - return cwdLengthInBytes; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_connect(fd, addr, addrlen, d1, d2, d3) { + try { + var sock = getSocketFromFD(fd); + var info = getSocketAddress(addr, addrlen); + sock.sock_ops.connect(sock, info.addr, info.port); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_getdents64(fd, dirp, count) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - stream.getdents ||= FS.readdir(stream.path); - var struct_size = 280; - var pos = 0; - var off = FS.llseek(stream, 0, 1); - var startIdx = Math.floor(off / struct_size); - var endIdx = Math.min( - stream.getdents.length, - startIdx + Math.floor(count / struct_size) - ); - for (var idx = startIdx; idx < endIdx; idx++) { - var id; - var type; - var name = stream.getdents[idx]; - if (name === '.') { - id = stream.node.id; - type = 4; - } else if (name === '..') { - var lookup = FS.lookupPath(stream.path, { - parent: true, - }); - id = lookup.node.id; - type = 4; - } else { - var child; - try { - child = FS.lookupNode(stream.node, name); - } catch (e) { - // If the entry is not a directory, file, or symlink, nodefs - // lookupNode will raise EINVAL. Skip these and continue. - if (e?.errno === 28) { - continue; - } - throw e; - } - id = child.id; - type = FS.isChrdev(child.mode) - ? 2 // DT_CHR, character device. - : FS.isDir(child.mode) - ? 4 // DT_DIR, directory. - : FS.isLink(child.mode) - ? 10 // DT_LNK, symbolic link. - : 8; - } - HEAP64[(dirp + pos) >> 3] = BigInt(id); - HEAP64[(dirp + pos + 8) >> 3] = BigInt((idx + 1) * struct_size); - HEAP16[(dirp + pos + 16) >> 1] = 280; - HEAP8[dirp + pos + 18] = type; - stringToUTF8(name, dirp + pos + 19, 256); - pos += struct_size; - } - FS.llseek(stream, idx * struct_size, 0); - return pos; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_dup(fd) { + try { + var old = SYSCALLS.getStreamFromFD(fd); + return FS.dupStream(old).fd; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_getpeername(fd, addr, addrlen, d1, d2, d3) { - try { - var sock = getSocketFromFD(fd); - if (!sock.daddr) { - return -53; - } - var errno = writeSockaddr( - addr, - sock.family, - DNS.lookup_name(sock.daddr), - sock.dport, - addrlen - ); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_dup3(fd, newfd, flags) { + try { + var old = SYSCALLS.getStreamFromFD(fd); + if (old.fd === newfd) return -28; + // Check newfd is within range of valid open file descriptors. + if (newfd < 0 || newfd >= FS.MAX_OPEN_FDS) return -8; + var existing = FS.getStream(newfd); + if (existing) FS.close(existing); + return FS.dupStream(old, newfd).fd; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_getsockname(fd, addr, addrlen, d1, d2, d3) { - try { - var sock = getSocketFromFD(fd); - // TODO: sock.saddr should never be undefined, see TODO in websocket_sock_ops.getname - var errno = writeSockaddr( - addr, - sock.family, - DNS.lookup_name(sock.saddr || '0.0.0.0'), - sock.sport, - addrlen - ); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_faccessat(dirfd, path, amode, flags) { + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (amode & ~7) { + // need a valid mode + return -28; + } + var lookup = FS.lookupPath(path, { + follow: true + }); + var node = lookup.node; + if (!node) { + return -44; + } + var perms = ""; + if (amode & 4) perms += "r"; + if (amode & 2) perms += "w"; + if (amode & 1) perms += "x"; + if (perms && FS.nodePermissions(node, perms)) { + return -2; + } + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_getsockopt(fd, level, optname, optval, optlen, d1) { - try { - var sock = getSocketFromFD(fd); - // Minimal getsockopt aimed at resolving https://github.com/emscripten-core/emscripten/issues/2211 - // so only supports SOL_SOCKET with SO_ERROR. - if (level === 1) { - if (optname === 4) { - HEAP32[optval >> 2] = sock.error; - HEAP32[optlen >> 2] = 4; - sock.error = null; - // Clear the error (The SO_ERROR option obtains and then clears this field). - return 0; - } - } - return -50; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var INT53_MAX = 9007199254740992; + +var INT53_MIN = -9007199254740992; + +var bigintToI53Checked = num => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num); + +function ___syscall_fallocate(fd, mode, offset, len) { + offset = bigintToI53Checked(offset); + len = bigintToI53Checked(len); + try { + if (isNaN(offset)) return 61; + if (mode != 0) { + return -138; + } + if (offset < 0 || len < 0) { + return -28; + } + // We only support mode == 0, which means we can implement fallocate + // in terms of ftruncate. + var oldSize = FS.fstat(fd).size; + var newSize = offset + len; + if (newSize > oldSize) { + FS.ftruncate(fd, newSize); + } + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_ioctl(fd, op, varargs) { - SYSCALLS.varargs = varargs; - try { - var stream = SYSCALLS.getStreamFromFD(fd); - switch (op) { - case 21509: { - if (!stream.tty) return -59; - return 0; - } - - case 21505: { - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tcgets) { - var termios = stream.tty.ops.ioctl_tcgets(stream); - var argp = syscallGetVarargP(); - HEAP32[argp >> 2] = termios.c_iflag || 0; - HEAP32[(argp + 4) >> 2] = termios.c_oflag || 0; - HEAP32[(argp + 8) >> 2] = termios.c_cflag || 0; - HEAP32[(argp + 12) >> 2] = termios.c_lflag || 0; - for (var i = 0; i < 32; i++) { - HEAP8[argp + i + 17] = termios.c_cc[i] || 0; - } - return 0; - } - return 0; - } - - case 21510: - case 21511: - case 21512: { - if (!stream.tty) return -59; - return 0; - } - - case 21506: - case 21507: - case 21508: { - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tcsets) { - var argp = syscallGetVarargP(); - var c_iflag = HEAP32[argp >> 2]; - var c_oflag = HEAP32[(argp + 4) >> 2]; - var c_cflag = HEAP32[(argp + 8) >> 2]; - var c_lflag = HEAP32[(argp + 12) >> 2]; - var c_cc = []; - for (var i = 0; i < 32; i++) { - c_cc.push(HEAP8[argp + i + 17]); - } - return stream.tty.ops.ioctl_tcsets(stream.tty, op, { - c_iflag, - c_oflag, - c_cflag, - c_lflag, - c_cc, - }); - } - return 0; - } - - case 21519: { - if (!stream.tty) return -59; - var argp = syscallGetVarargP(); - HEAP32[argp >> 2] = 0; - return 0; - } - - case 21520: { - if (!stream.tty) return -59; - return -28; - } - - case 21531: { - var argp = syscallGetVarargP(); - return FS.ioctl(stream, op, argp); - } - - case 21523: { - // TODO: in theory we should write to the winsize struct that gets - // passed in, but for now musl doesn't read anything on it - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tiocgwinsz) { - var winsize = stream.tty.ops.ioctl_tiocgwinsz( - stream.tty - ); - var argp = syscallGetVarargP(); - HEAP16[argp >> 1] = winsize[0]; - HEAP16[(argp + 2) >> 1] = winsize[1]; - } - return 0; - } - - case 21524: { - // TODO: technically, this ioctl call should change the window size. - // but, since emscripten doesn't have any concept of a terminal window - // yet, we'll just silently throw it away as we do TIOCGWINSZ - if (!stream.tty) return -59; - return 0; - } - - case 21515: { - if (!stream.tty) return -59; - return 0; - } - - default: - return -28; - } - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_fchmod(fd, mode) { + try { + FS.fchmod(fd, mode); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_listen(fd, backlog) { - try { - var sock = getSocketFromFD(fd); - sock.sock_ops.listen(sock, backlog); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_fchown32(fd, owner, group) { + try { + FS.fchown(fd, owner, group); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_lstat64(path, buf) { - try { - path = SYSCALLS.getStr(path); - return SYSCALLS.writeStat(buf, FS.lstat(path)); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_fchownat(dirfd, path, owner, group, flags) { + try { + path = SYSCALLS.getStr(path); + var nofollow = flags & 256; + flags = flags & (~256); + path = SYSCALLS.calculateAt(dirfd, path); + (nofollow ? FS.lchown : FS.chown)(path, owner, group); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_mkdirat(dirfd, path, mode) { - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - FS.mkdir(path, mode, 0); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +/** @suppress {duplicate } */ var syscallGetVarargI = () => { + // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. + var ret = HEAP32[((+SYSCALLS.varargs) >> 2)]; + SYSCALLS.varargs += 4; + return ret; +}; + +var syscallGetVarargP = syscallGetVarargI; + +function ___syscall_fcntl64(fd, cmd, varargs) { + SYSCALLS.varargs = varargs; + try { + var stream = SYSCALLS.getStreamFromFD(fd); + switch (cmd) { + case 0: + { + var arg = syscallGetVarargI(); + if (arg < 0) { + return -28; + } + while (FS.streams[arg]) { + arg++; + } + var newStream; + newStream = FS.dupStream(stream, arg); + return newStream.fd; + } + + case 1: + case 2: + return 0; + + // FD_CLOEXEC makes no sense for a single process. + case 3: + return stream.flags; + + case 4: + { + var arg = syscallGetVarargI(); + stream.flags |= arg; + return 0; + } + + case 12: + { + var arg = syscallGetVarargP(); + var offset = 0; + // We're always unlocked. + HEAP16[(((arg) + (offset)) >> 1)] = 2; + return 0; + } + + case 13: + case 14: + // Pretend that the locking is successful. These are process-level locks, + // and Emscripten programs are a single process. If we supported linking a + // filesystem between programs, we'd need to do more here. + // See https://github.com/emscripten-core/emscripten/issues/23697 + return 0; + } + return -28; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_newfstatat(dirfd, path, buf, flags) { - try { - path = SYSCALLS.getStr(path); - var nofollow = flags & 256; - var allowEmpty = flags & 4096; - flags = flags & ~6400; - path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); - return SYSCALLS.writeStat( - buf, - nofollow ? FS.lstat(path) : FS.stat(path) - ); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_fdatasync(fd) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_openat(dirfd, path, flags, varargs) { - SYSCALLS.varargs = varargs; - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - var mode = varargs ? syscallGetVarargI() : 0; - return FS.open(path, flags, mode).fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_fstat64(fd, buf) { + try { + return SYSCALLS.writeStat(buf, FS.fstat(fd)); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var PIPEFS = { - BUCKET_BUFFER_SIZE: 8192, - mount(mount) { - // Do not pollute the real root directory or its child nodes with pipes - // Looks like it is OK to create another pseudo-root node not linked to the FS.root hierarchy this way - return FS.createNode(null, '/', 16384 | 511, 0); - }, - createPipe() { - var pipe = { - buckets: [], - // refcnt 2 because pipe has a read end and a write end. We need to be - // able to read from the read end after write end is closed. - refcnt: 2, - timestamp: new Date(), - }; - pipe.buckets.push({ - buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), - offset: 0, - roffset: 0, - }); - var rName = PIPEFS.nextname(); - var wName = PIPEFS.nextname(); - var rNode = FS.createNode(PIPEFS.root, rName, 4096, 0); - var wNode = FS.createNode(PIPEFS.root, wName, 4096, 0); - rNode.pipe = pipe; - wNode.pipe = pipe; - var readableStream = FS.createStream({ - path: rName, - node: rNode, - flags: 0, - seekable: false, - stream_ops: PIPEFS.stream_ops, - }); - rNode.stream = readableStream; - var writableStream = FS.createStream({ - path: wName, - node: wNode, - flags: 1, - seekable: false, - stream_ops: PIPEFS.stream_ops, - }); - wNode.stream = writableStream; - return { - readable_fd: readableStream.fd, - writable_fd: writableStream.fd, - }; - }, - stream_ops: { - getattr(stream) { - var node = stream.node; - var timestamp = node.pipe.timestamp; - return { - dev: 14, - ino: node.id, - mode: 4480, - nlink: 1, - uid: 0, - gid: 0, - rdev: 0, - size: 0, - atime: timestamp, - mtime: timestamp, - ctime: timestamp, - blksize: 4096, - blocks: 0, - }; - }, - poll(stream) { - var pipe = stream.node.pipe; - if ((stream.flags & 2097155) === 1) { - return 256 | 4; - } - for (var bucket of pipe.buckets) { - if (bucket.offset - bucket.roffset > 0) { - return 64 | 1; - } - } - return 0; - }, - dup(stream) { - stream.node.pipe.refcnt++; - }, - ioctl(stream, request, varargs) { - return 28; - }, - fsync(stream) { - return 28; - }, - read(stream, buffer, offset, length, position) { - var pipe = stream.node.pipe; - var currentLength = 0; - for (var bucket of pipe.buckets) { - currentLength += bucket.offset - bucket.roffset; - } - var data = buffer.subarray(offset, offset + length); - if (length <= 0) { - return 0; - } - if (currentLength == 0) { - // Behave as if the read end is always non-blocking - throw new FS.ErrnoError(6); - } - var toRead = Math.min(currentLength, length); - var totalRead = toRead; - var toRemove = 0; - for (var bucket of pipe.buckets) { - var bucketSize = bucket.offset - bucket.roffset; - if (toRead <= bucketSize) { - var tmpSlice = bucket.buffer.subarray( - bucket.roffset, - bucket.offset - ); - if (toRead < bucketSize) { - tmpSlice = tmpSlice.subarray(0, toRead); - bucket.roffset += toRead; - } else { - toRemove++; - } - data.set(tmpSlice); - break; - } else { - var tmpSlice = bucket.buffer.subarray( - bucket.roffset, - bucket.offset - ); - data.set(tmpSlice); - data = data.subarray(tmpSlice.byteLength); - toRead -= tmpSlice.byteLength; - toRemove++; - } - } - if (toRemove && toRemove == pipe.buckets.length) { - // Do not generate excessive garbage in use cases such as - // write several bytes, read everything, write several bytes, read everything... - toRemove--; - pipe.buckets[toRemove].offset = 0; - pipe.buckets[toRemove].roffset = 0; - } - pipe.buckets.splice(0, toRemove); - return totalRead; - }, - write(stream, buffer, offset, length, position) { - var pipe = stream.node.pipe; - var data = buffer.subarray(offset, offset + length); - var dataLen = data.byteLength; - if (dataLen <= 0) { - return 0; - } - var currBucket = null; - if (pipe.buckets.length == 0) { - currBucket = { - buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), - offset: 0, - roffset: 0, - }; - pipe.buckets.push(currBucket); - } else { - currBucket = pipe.buckets[pipe.buckets.length - 1]; - } - assert(currBucket.offset <= PIPEFS.BUCKET_BUFFER_SIZE); - var freeBytesInCurrBuffer = - PIPEFS.BUCKET_BUFFER_SIZE - currBucket.offset; - if (freeBytesInCurrBuffer >= dataLen) { - currBucket.buffer.set(data, currBucket.offset); - currBucket.offset += dataLen; - return dataLen; - } else if (freeBytesInCurrBuffer > 0) { - currBucket.buffer.set( - data.subarray(0, freeBytesInCurrBuffer), - currBucket.offset - ); - currBucket.offset += freeBytesInCurrBuffer; - data = data.subarray( - freeBytesInCurrBuffer, - data.byteLength - ); - } - var numBuckets = - (data.byteLength / PIPEFS.BUCKET_BUFFER_SIZE) | 0; - var remElements = data.byteLength % PIPEFS.BUCKET_BUFFER_SIZE; - for (var i = 0; i < numBuckets; i++) { - var newBucket = { - buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), - offset: PIPEFS.BUCKET_BUFFER_SIZE, - roffset: 0, - }; - pipe.buckets.push(newBucket); - newBucket.buffer.set( - data.subarray(0, PIPEFS.BUCKET_BUFFER_SIZE) - ); - data = data.subarray( - PIPEFS.BUCKET_BUFFER_SIZE, - data.byteLength - ); - } - if (remElements > 0) { - var newBucket = { - buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), - offset: data.byteLength, - roffset: 0, - }; - pipe.buckets.push(newBucket); - newBucket.buffer.set(data); - } - return dataLen; - }, - close(stream) { - var pipe = stream.node.pipe; - pipe.refcnt--; - if (pipe.refcnt === 0) { - pipe.buckets = null; - } - }, - }, - nextname() { - if (!PIPEFS.nextname.current) { - PIPEFS.nextname.current = 0; - } - return 'pipe[' + PIPEFS.nextname.current++ + ']'; - }, - }; - - function ___syscall_pipe(fdPtr) { - try { - if (fdPtr == 0) { - throw new FS.ErrnoError(21); - } - var res = PIPEFS.createPipe(); - HEAP32[fdPtr >> 2] = res.readable_fd; - HEAP32[(fdPtr + 4) >> 2] = res.writable_fd; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_ftruncate64(fd, length) { + length = bigintToI53Checked(length); + try { + if (isNaN(length)) return 61; + FS.ftruncate(fd, length); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_poll(fds, nfds, timeout) { - try { - var nonzero = 0; - for (var i = 0; i < nfds; i++) { - var pollfd = fds + 8 * i; - var fd = HEAP32[pollfd >> 2]; - var events = HEAP16[(pollfd + 4) >> 1]; - var mask = 32; - var stream = FS.getStream(fd); - if (stream) { - mask = SYSCALLS.DEFAULT_POLLMASK; - if (stream.stream_ops?.poll) { - mask = stream.stream_ops.poll(stream, -1); - } - } - mask &= events | 8 | 16; - if (mask) nonzero++; - HEAP16[(pollfd + 6) >> 1] = mask; - } - return nonzero; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite); + +Module["stringToUTF8"] = stringToUTF8; + +function ___syscall_getcwd(buf, size) { + try { + if (size === 0) return -28; + var cwd = FS.cwd(); + var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1; + if (size < cwdLengthInBytes) return -68; + stringToUTF8(cwd, buf, size); + return cwdLengthInBytes; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_readlinkat(dirfd, path, buf, bufsize) { - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - if (bufsize <= 0) return -28; - var ret = FS.readlink(path); - var len = Math.min(bufsize, lengthBytesUTF8(ret)); - var endChar = HEAP8[buf + len]; - stringToUTF8(ret, buf, bufsize + 1); - // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!) - // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write. - HEAP8[buf + len] = endChar; - return len; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_getdents64(fd, dirp, count) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + stream.getdents ||= FS.readdir(stream.path); + var struct_size = 280; + var pos = 0; + var off = FS.llseek(stream, 0, 1); + var startIdx = Math.floor(off / struct_size); + var endIdx = Math.min(stream.getdents.length, startIdx + Math.floor(count / struct_size)); + for (var idx = startIdx; idx < endIdx; idx++) { + var id; + var type; + var name = stream.getdents[idx]; + if (name === ".") { + id = stream.node.id; + type = 4; + } else if (name === "..") { + var lookup = FS.lookupPath(stream.path, { + parent: true + }); + id = lookup.node.id; + type = 4; + } else { + var child; + try { + child = FS.lookupNode(stream.node, name); + } catch (e) { + // If the entry is not a directory, file, or symlink, nodefs + // lookupNode will raise EINVAL. Skip these and continue. + if (e?.errno === 28) { + continue; + } + throw e; + } + id = child.id; + type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device. + FS.isDir(child.mode) ? 4 : // DT_DIR, directory. + FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link. + 8; + } + HEAP64[((dirp + pos) >> 3)] = BigInt(id); + HEAP64[(((dirp + pos) + (8)) >> 3)] = BigInt((idx + 1) * struct_size); + HEAP16[(((dirp + pos) + (16)) >> 1)] = 280; + HEAP8[(dirp + pos) + (18)] = type; + stringToUTF8(name, dirp + pos + 19, 256); + pos += struct_size; + } + FS.llseek(stream, idx * struct_size, 0); + return pos; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_recvfrom(fd, buf, len, flags, addr, addrlen) { - try { - var sock = getSocketFromFD(fd); - var msg = sock.sock_ops.recvmsg( - sock, - len, - typeof flags !== 'undefined' ? flags : 0 - ); - if (!msg) return 0; - // socket is closed - if (addr) { - var errno = writeSockaddr( - addr, - sock.family, - DNS.lookup_name(msg.addr), - msg.port, - addrlen - ); - } - HEAPU8.set(msg.buffer, buf); - return msg.buffer.byteLength; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_getpeername(fd, addr, addrlen, d1, d2, d3) { + try { + var sock = getSocketFromFD(fd); + if (!sock.daddr) { + return -53; + } + var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(sock.daddr), sock.dport, addrlen); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) { - try { - oldpath = SYSCALLS.getStr(oldpath); - newpath = SYSCALLS.getStr(newpath); - oldpath = SYSCALLS.calculateAt(olddirfd, oldpath); - newpath = SYSCALLS.calculateAt(newdirfd, newpath); - FS.rename(oldpath, newpath); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_getsockname(fd, addr, addrlen, d1, d2, d3) { + try { + var sock = getSocketFromFD(fd); + // TODO: sock.saddr should never be undefined, see TODO in websocket_sock_ops.getname + var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(sock.saddr || "0.0.0.0"), sock.sport, addrlen); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_rmdir(path) { - try { - path = SYSCALLS.getStr(path); - FS.rmdir(path); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_getsockopt(fd, level, optname, optval, optlen, d1) { + try { + var sock = getSocketFromFD(fd); + // Minimal getsockopt aimed at resolving https://github.com/emscripten-core/emscripten/issues/2211 + // so only supports SOL_SOCKET with SO_ERROR. + if (level === 1) { + if (optname === 4) { + HEAP32[((optval) >> 2)] = sock.error; + HEAP32[((optlen) >> 2)] = 4; + sock.error = null; + // Clear the error (The SO_ERROR option obtains and then clears this field). + return 0; + } + } + return -50; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_sendto(fd, message, length, flags, addr, addr_len) { - try { - var sock = getSocketFromFD(fd); - if (!addr) { - // send, no address provided - return FS.write(sock.stream, HEAP8, message, length); - } - var dest = getSocketAddress(addr, addr_len); - // sendto an address - return sock.sock_ops.sendmsg( - sock, - HEAP8, - message, - length, - dest.addr, - dest.port - ); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_ioctl(fd, op, varargs) { + SYSCALLS.varargs = varargs; + try { + var stream = SYSCALLS.getStreamFromFD(fd); + switch (op) { + case 21509: + { + if (!stream.tty) return -59; + return 0; + } + + case 21505: + { + if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tcgets) { + var termios = stream.tty.ops.ioctl_tcgets(stream); + var argp = syscallGetVarargP(); + HEAP32[((argp) >> 2)] = termios.c_iflag || 0; + HEAP32[(((argp) + (4)) >> 2)] = termios.c_oflag || 0; + HEAP32[(((argp) + (8)) >> 2)] = termios.c_cflag || 0; + HEAP32[(((argp) + (12)) >> 2)] = termios.c_lflag || 0; + for (var i = 0; i < 32; i++) { + HEAP8[(argp + i) + (17)] = termios.c_cc[i] || 0; + } + return 0; + } + return 0; + } + + case 21510: + case 21511: + case 21512: + { + if (!stream.tty) return -59; + return 0; + } + + case 21506: + case 21507: + case 21508: + { + if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tcsets) { + var argp = syscallGetVarargP(); + var c_iflag = HEAP32[((argp) >> 2)]; + var c_oflag = HEAP32[(((argp) + (4)) >> 2)]; + var c_cflag = HEAP32[(((argp) + (8)) >> 2)]; + var c_lflag = HEAP32[(((argp) + (12)) >> 2)]; + var c_cc = []; + for (var i = 0; i < 32; i++) { + c_cc.push(HEAP8[(argp + i) + (17)]); + } + return stream.tty.ops.ioctl_tcsets(stream.tty, op, { + c_iflag, + c_oflag, + c_cflag, + c_lflag, + c_cc + }); + } + return 0; + } + + case 21519: + { + if (!stream.tty) return -59; + var argp = syscallGetVarargP(); + HEAP32[((argp) >> 2)] = 0; + return 0; + } + + case 21520: + { + if (!stream.tty) return -59; + return -28; + } + + case 21531: + { + var argp = syscallGetVarargP(); + return FS.ioctl(stream, op, argp); + } + + case 21523: + { + // TODO: in theory we should write to the winsize struct that gets + // passed in, but for now musl doesn't read anything on it + if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tiocgwinsz) { + var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty); + var argp = syscallGetVarargP(); + HEAP16[((argp) >> 1)] = winsize[0]; + HEAP16[(((argp) + (2)) >> 1)] = winsize[1]; + } + return 0; + } + + case 21524: + { + // TODO: technically, this ioctl call should change the window size. + // but, since emscripten doesn't have any concept of a terminal window + // yet, we'll just silently throw it away as we do TIOCGWINSZ + if (!stream.tty) return -59; + return 0; + } + + case 21515: + { + if (!stream.tty) return -59; + return 0; + } + + default: + return -28; + } + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_socket(domain, type, protocol) { - try { - var sock = SOCKFS.createSocket(domain, type, protocol); - return sock.stream.fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_listen(fd, backlog) { + try { + var sock = getSocketFromFD(fd); + sock.sock_ops.listen(sock, backlog); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_stat64(path, buf) { - try { - path = SYSCALLS.getStr(path); - return SYSCALLS.writeStat(buf, FS.stat(path)); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_lstat64(path, buf) { + try { + path = SYSCALLS.getStr(path); + return SYSCALLS.writeStat(buf, FS.lstat(path)); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_statfs64(path, size, buf) { - try { - SYSCALLS.writeStatFs(buf, FS.statfs(SYSCALLS.getStr(path))); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_mkdirat(dirfd, path, mode) { + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + FS.mkdir(path, mode, 0); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_symlinkat(target, dirfd, linkpath) { - try { - target = SYSCALLS.getStr(target); - linkpath = SYSCALLS.getStr(linkpath); - linkpath = SYSCALLS.calculateAt(dirfd, linkpath); - FS.symlink(target, linkpath); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_newfstatat(dirfd, path, buf, flags) { + try { + path = SYSCALLS.getStr(path); + var nofollow = flags & 256; + var allowEmpty = flags & 4096; + flags = flags & (~6400); + path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); + return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path)); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function ___syscall_unlinkat(dirfd, path, flags) { - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - if (flags === 0) { - FS.unlink(path); - } else if (flags === 512) { - FS.rmdir(path); - } else { - abort('Invalid flags passed to unlinkat'); - } - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_openat(dirfd, path, flags, varargs) { + SYSCALLS.varargs = varargs; + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + var mode = varargs ? syscallGetVarargI() : 0; + return FS.open(path, flags, mode).fd; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var readI53FromI64 = (ptr) => - HEAPU32[ptr >> 2] + HEAP32[(ptr + 4) >> 2] * 4294967296; - - function ___syscall_utimensat(dirfd, path, times, flags) { - try { - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path, true); - var now = Date.now(), - atime, - mtime; - if (!times) { - atime = now; - mtime = now; - } else { - var seconds = readI53FromI64(times); - var nanoseconds = HEAP32[(times + 8) >> 2]; - if (nanoseconds == 1073741823) { - atime = now; - } else if (nanoseconds == 1073741822) { - atime = null; - } else { - atime = seconds * 1e3 + nanoseconds / (1e3 * 1e3); - } - times += 16; - seconds = readI53FromI64(times); - nanoseconds = HEAP32[(times + 8) >> 2]; - if (nanoseconds == 1073741823) { - mtime = now; - } else if (nanoseconds == 1073741822) { - mtime = null; - } else { - mtime = seconds * 1e3 + nanoseconds / (1e3 * 1e3); - } - } - // null here means UTIME_OMIT was passed. If both were set to UTIME_OMIT then - // we can skip the call completely. - if ((mtime ?? atime) !== null) { - FS.utime(path, atime, mtime); - } - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +var PIPEFS = { + BUCKET_BUFFER_SIZE: 8192, + mount(mount) { + // Do not pollute the real root directory or its child nodes with pipes + // Looks like it is OK to create another pseudo-root node not linked to the FS.root hierarchy this way + return FS.createNode(null, "/", 16384 | 511, 0); + }, + createPipe() { + var pipe = { + buckets: [], + // refcnt 2 because pipe has a read end and a write end. We need to be + // able to read from the read end after write end is closed. + refcnt: 2, + timestamp: new Date + }; + pipe.buckets.push({ + buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), + offset: 0, + roffset: 0 + }); + var rName = PIPEFS.nextname(); + var wName = PIPEFS.nextname(); + var rNode = FS.createNode(PIPEFS.root, rName, 4096, 0); + var wNode = FS.createNode(PIPEFS.root, wName, 4096, 0); + rNode.pipe = pipe; + wNode.pipe = pipe; + var readableStream = FS.createStream({ + path: rName, + node: rNode, + flags: 0, + seekable: false, + stream_ops: PIPEFS.stream_ops + }); + rNode.stream = readableStream; + var writableStream = FS.createStream({ + path: wName, + node: wNode, + flags: 1, + seekable: false, + stream_ops: PIPEFS.stream_ops + }); + wNode.stream = writableStream; + return { + readable_fd: readableStream.fd, + writable_fd: writableStream.fd + }; + }, + stream_ops: { + getattr(stream) { + var node = stream.node; + var timestamp = node.pipe.timestamp; + return { + dev: 14, + ino: node.id, + mode: 4480, + nlink: 1, + uid: 0, + gid: 0, + rdev: 0, + size: 0, + atime: timestamp, + mtime: timestamp, + ctime: timestamp, + blksize: 4096, + blocks: 0 + }; + }, + poll(stream) { + var pipe = stream.node.pipe; + if ((stream.flags & 2097155) === 1) { + return (256 | 4); + } + for (var bucket of pipe.buckets) { + if (bucket.offset - bucket.roffset > 0) { + return (64 | 1); + } + } + return 0; + }, + dup(stream) { + stream.node.pipe.refcnt++; + }, + ioctl(stream, request, varargs) { + return 28; + }, + fsync(stream) { + return 28; + }, + read(stream, buffer, offset, length, position) { + var pipe = stream.node.pipe; + var currentLength = 0; + for (var bucket of pipe.buckets) { + currentLength += bucket.offset - bucket.roffset; + } + var data = buffer.subarray(offset, offset + length); + if (length <= 0) { + return 0; + } + if (currentLength == 0) { + // Behave as if the read end is always non-blocking + throw new FS.ErrnoError(6); + } + var toRead = Math.min(currentLength, length); + var totalRead = toRead; + var toRemove = 0; + for (var bucket of pipe.buckets) { + var bucketSize = bucket.offset - bucket.roffset; + if (toRead <= bucketSize) { + var tmpSlice = bucket.buffer.subarray(bucket.roffset, bucket.offset); + if (toRead < bucketSize) { + tmpSlice = tmpSlice.subarray(0, toRead); + bucket.roffset += toRead; + } else { + toRemove++; + } + data.set(tmpSlice); + break; + } else { + var tmpSlice = bucket.buffer.subarray(bucket.roffset, bucket.offset); + data.set(tmpSlice); + data = data.subarray(tmpSlice.byteLength); + toRead -= tmpSlice.byteLength; + toRemove++; + } + } + if (toRemove && toRemove == pipe.buckets.length) { + // Do not generate excessive garbage in use cases such as + // write several bytes, read everything, write several bytes, read everything... + toRemove--; + pipe.buckets[toRemove].offset = 0; + pipe.buckets[toRemove].roffset = 0; + } + pipe.buckets.splice(0, toRemove); + return totalRead; + }, + write(stream, buffer, offset, length, position) { + var pipe = stream.node.pipe; + var data = buffer.subarray(offset, offset + length); + var dataLen = data.byteLength; + if (dataLen <= 0) { + return 0; + } + var currBucket = null; + if (pipe.buckets.length == 0) { + currBucket = { + buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), + offset: 0, + roffset: 0 + }; + pipe.buckets.push(currBucket); + } else { + currBucket = pipe.buckets[pipe.buckets.length - 1]; + } + assert(currBucket.offset <= PIPEFS.BUCKET_BUFFER_SIZE); + var freeBytesInCurrBuffer = PIPEFS.BUCKET_BUFFER_SIZE - currBucket.offset; + if (freeBytesInCurrBuffer >= dataLen) { + currBucket.buffer.set(data, currBucket.offset); + currBucket.offset += dataLen; + return dataLen; + } else if (freeBytesInCurrBuffer > 0) { + currBucket.buffer.set(data.subarray(0, freeBytesInCurrBuffer), currBucket.offset); + currBucket.offset += freeBytesInCurrBuffer; + data = data.subarray(freeBytesInCurrBuffer, data.byteLength); + } + var numBuckets = (data.byteLength / PIPEFS.BUCKET_BUFFER_SIZE) | 0; + var remElements = data.byteLength % PIPEFS.BUCKET_BUFFER_SIZE; + for (var i = 0; i < numBuckets; i++) { + var newBucket = { + buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), + offset: PIPEFS.BUCKET_BUFFER_SIZE, + roffset: 0 + }; + pipe.buckets.push(newBucket); + newBucket.buffer.set(data.subarray(0, PIPEFS.BUCKET_BUFFER_SIZE)); + data = data.subarray(PIPEFS.BUCKET_BUFFER_SIZE, data.byteLength); + } + if (remElements > 0) { + var newBucket = { + buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE), + offset: data.byteLength, + roffset: 0 + }; + pipe.buckets.push(newBucket); + newBucket.buffer.set(data); + } + return dataLen; + }, + close(stream) { + var pipe = stream.node.pipe; + pipe.refcnt--; + if (pipe.refcnt === 0) { + pipe.buckets = null; + } + } + }, + nextname() { + if (!PIPEFS.nextname.current) { + PIPEFS.nextname.current = 0; + } + return "pipe[" + (PIPEFS.nextname.current++) + "]"; + } +}; + +function ___syscall_pipe(fdPtr) { + try { + if (fdPtr == 0) { + throw new FS.ErrnoError(21); + } + var res = PIPEFS.createPipe(); + HEAP32[((fdPtr) >> 2)] = res.readable_fd; + HEAP32[(((fdPtr) + (4)) >> 2)] = res.writable_fd; + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var __abort_js = () => abort(''); - - var __emscripten_lookup_name = (name) => { - // uint32_t _emscripten_lookup_name(const char *name); - var nameString = UTF8ToString(name); - return inetPton4(DNS.lookup_name(nameString)); - }; - - var runtimeKeepaliveCounter = 0; - - var __emscripten_runtime_keepalive_clear = () => { - noExitRuntime = false; - runtimeKeepaliveCounter = 0; - }; - - var __emscripten_throw_longjmp = () => { - throw Infinity; - }; - - function __gmtime_js(time, tmPtr) { - time = bigintToI53Checked(time); - var date = new Date(time * 1e3); - HEAP32[tmPtr >> 2] = date.getUTCSeconds(); - HEAP32[(tmPtr + 4) >> 2] = date.getUTCMinutes(); - HEAP32[(tmPtr + 8) >> 2] = date.getUTCHours(); - HEAP32[(tmPtr + 12) >> 2] = date.getUTCDate(); - HEAP32[(tmPtr + 16) >> 2] = date.getUTCMonth(); - HEAP32[(tmPtr + 20) >> 2] = date.getUTCFullYear() - 1900; - HEAP32[(tmPtr + 24) >> 2] = date.getUTCDay(); - var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0); - var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0; - HEAP32[(tmPtr + 28) >> 2] = yday; - } +function ___syscall_poll(fds, nfds, timeout) { + try { + var nonzero = 0; + for (var i = 0; i < nfds; i++) { + var pollfd = fds + 8 * i; + var fd = HEAP32[((pollfd) >> 2)]; + var events = HEAP16[(((pollfd) + (4)) >> 1)]; + var mask = 32; + var stream = FS.getStream(fd); + if (stream) { + mask = SYSCALLS.DEFAULT_POLLMASK; + if (stream.stream_ops?.poll) { + mask = stream.stream_ops.poll(stream, -1); + } + } + mask &= events | 8 | 16; + if (mask) nonzero++; + HEAP16[(((pollfd) + (6)) >> 1)] = mask; + } + return nonzero; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var isLeapYear = (year) => - year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0); - - var MONTH_DAYS_LEAP_CUMULATIVE = [ - 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, - ]; - - var MONTH_DAYS_REGULAR_CUMULATIVE = [ - 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, - ]; - - var ydayFromDate = (date) => { - var leap = isLeapYear(date.getFullYear()); - var monthDaysCumulative = leap - ? MONTH_DAYS_LEAP_CUMULATIVE - : MONTH_DAYS_REGULAR_CUMULATIVE; - var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1; - // -1 since it's days since Jan 1 - return yday; - }; - - function __localtime_js(time, tmPtr) { - time = bigintToI53Checked(time); - var date = new Date(time * 1e3); - HEAP32[tmPtr >> 2] = date.getSeconds(); - HEAP32[(tmPtr + 4) >> 2] = date.getMinutes(); - HEAP32[(tmPtr + 8) >> 2] = date.getHours(); - HEAP32[(tmPtr + 12) >> 2] = date.getDate(); - HEAP32[(tmPtr + 16) >> 2] = date.getMonth(); - HEAP32[(tmPtr + 20) >> 2] = date.getFullYear() - 1900; - HEAP32[(tmPtr + 24) >> 2] = date.getDay(); - var yday = ydayFromDate(date) | 0; - HEAP32[(tmPtr + 28) >> 2] = yday; - HEAP32[(tmPtr + 36) >> 2] = -(date.getTimezoneOffset() * 60); - // Attention: DST is in December in South, and some regions don't have DST at all. - var start = new Date(date.getFullYear(), 0, 1); - var summerOffset = new Date( - date.getFullYear(), - 6, - 1 - ).getTimezoneOffset(); - var winterOffset = start.getTimezoneOffset(); - var dst = - (summerOffset != winterOffset && - date.getTimezoneOffset() == - Math.min(winterOffset, summerOffset)) | 0; - HEAP32[(tmPtr + 32) >> 2] = dst; - } +function ___syscall_readlinkat(dirfd, path, buf, bufsize) { + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (bufsize <= 0) return -28; + var ret = FS.readlink(path); + var len = Math.min(bufsize, lengthBytesUTF8(ret)); + var endChar = HEAP8[buf + len]; + stringToUTF8(ret, buf, bufsize + 1); + // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!) + // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write. + HEAP8[buf + len] = endChar; + return len; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var __mktime_js = function (tmPtr) { - var ret = (() => { - var date = new Date( - HEAP32[(tmPtr + 20) >> 2] + 1900, - HEAP32[(tmPtr + 16) >> 2], - HEAP32[(tmPtr + 12) >> 2], - HEAP32[(tmPtr + 8) >> 2], - HEAP32[(tmPtr + 4) >> 2], - HEAP32[tmPtr >> 2], - 0 - ); - // There's an ambiguous hour when the time goes back; the tm_isdst field is - // used to disambiguate it. Date() basically guesses, so we fix it up if it - // guessed wrong, or fill in tm_isdst with the guess if it's -1. - var dst = HEAP32[(tmPtr + 32) >> 2]; - var guessedOffset = date.getTimezoneOffset(); - var start = new Date(date.getFullYear(), 0, 1); - var summerOffset = new Date( - date.getFullYear(), - 6, - 1 - ).getTimezoneOffset(); - var winterOffset = start.getTimezoneOffset(); - var dstOffset = Math.min(winterOffset, summerOffset); - // DST is in December in South - if (dst < 0) { - // Attention: some regions don't have DST at all. - HEAP32[(tmPtr + 32) >> 2] = Number( - summerOffset != winterOffset && dstOffset == guessedOffset - ); - } else if (dst > 0 != (dstOffset == guessedOffset)) { - var nonDstOffset = Math.max(winterOffset, summerOffset); - var trueOffset = dst > 0 ? dstOffset : nonDstOffset; - // Don't try setMinutes(date.getMinutes() + ...) -- it's messed up. - date.setTime( - date.getTime() + (trueOffset - guessedOffset) * 6e4 - ); - } - HEAP32[(tmPtr + 24) >> 2] = date.getDay(); - var yday = ydayFromDate(date) | 0; - HEAP32[(tmPtr + 28) >> 2] = yday; - // To match expected behavior, update fields from date - HEAP32[tmPtr >> 2] = date.getSeconds(); - HEAP32[(tmPtr + 4) >> 2] = date.getMinutes(); - HEAP32[(tmPtr + 8) >> 2] = date.getHours(); - HEAP32[(tmPtr + 12) >> 2] = date.getDate(); - HEAP32[(tmPtr + 16) >> 2] = date.getMonth(); - HEAP32[(tmPtr + 20) >> 2] = date.getYear(); - var timeMs = date.getTime(); - if (isNaN(timeMs)) { - return -1; - } - // Return time in microseconds - return timeMs / 1e3; - })(); - return BigInt(ret); - }; - - function __mmap_js(len, prot, flags, fd, offset, allocated, addr) { - offset = bigintToI53Checked(offset); - try { - if (isNaN(offset)) return 61; - var stream = SYSCALLS.getStreamFromFD(fd); - var res = FS.mmap(stream, len, offset, prot, flags); - var ptr = res.ptr; - HEAP32[allocated >> 2] = res.allocated; - HEAPU32[addr >> 2] = ptr; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_recvfrom(fd, buf, len, flags, addr, addrlen) { + try { + var sock = getSocketFromFD(fd); + var msg = sock.sock_ops.recvmsg(sock, len, typeof flags !== "undefined" ? flags : 0); + if (!msg) return 0; + // socket is closed + if (addr) { + var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(msg.addr), msg.port, addrlen); + } + HEAPU8.set(msg.buffer, buf); + return msg.buffer.byteLength; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function __munmap_js(addr, len, prot, flags, fd, offset) { - offset = bigintToI53Checked(offset); - try { - var stream = SYSCALLS.getStreamFromFD(fd); - if (prot & 2) { - SYSCALLS.doMsync(addr, stream, len, flags, offset); - } - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } +function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) { + try { + oldpath = SYSCALLS.getStr(oldpath); + newpath = SYSCALLS.getStr(newpath); + oldpath = SYSCALLS.calculateAt(olddirfd, oldpath); + newpath = SYSCALLS.calculateAt(newdirfd, newpath); + FS.rename(oldpath, newpath); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var timers = {}; - - var handleException = (e) => { - // Certain exception types we do not treat as errors since they are used for - // internal control flow. - // 1. ExitStatus, which is thrown by exit() - // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others - // that wish to return to JS event loop. - if (e instanceof ExitStatus || e == 'unwind') { - return EXITSTATUS; - } - quit_(1, e); - }; - - var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; - - var _proc_exit = (code) => { - EXITSTATUS = code; - if (!keepRuntimeAlive()) { - Module['onExit']?.(code); - ABORT = true; - } - quit_(code, new ExitStatus(code)); - }; - - /** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = - (status, implicit) => { - EXITSTATUS = status; - if (!keepRuntimeAlive()) { - exitRuntime(); - } - _proc_exit(status); - }; - - var _exit = exitJS; - - Module['_exit'] = _exit; - - var maybeExit = () => { - if (runtimeExited) { - return; - } - if (!keepRuntimeAlive()) { - try { - _exit(EXITSTATUS); - } catch (e) { - handleException(e); - } - } - }; - - var callUserCallback = (func) => { - if (runtimeExited || ABORT) { - return; - } - try { - func(); - maybeExit(); - } catch (e) { - handleException(e); - } - }; - - var _emscripten_get_now = () => performance.now(); - - var __setitimer_js = (which, timeout_ms) => { - // First, clear any existing timer. - if (timers[which]) { - clearTimeout(timers[which].id); - delete timers[which]; - } - // A timeout of zero simply cancels the current timeout so we have nothing - // more to do. - if (!timeout_ms) return 0; - var id = setTimeout(() => { - delete timers[which]; - callUserCallback(() => - __emscripten_timeout(which, _emscripten_get_now()) - ); - }, timeout_ms); - timers[which] = { - id, - timeout_ms, - }; - return 0; - }; - - var __tzset_js = (timezone, daylight, std_name, dst_name) => { - // TODO: Use (malleable) environment variables instead of system settings. - var currentYear = new Date().getFullYear(); - var winter = new Date(currentYear, 0, 1); - var summer = new Date(currentYear, 6, 1); - var winterOffset = winter.getTimezoneOffset(); - var summerOffset = summer.getTimezoneOffset(); - // Local standard timezone offset. Local standard time is not adjusted for - // daylight savings. This code uses the fact that getTimezoneOffset returns - // a greater value during Standard Time versus Daylight Saving Time (DST). - // Thus it determines the expected output during Standard Time, and it - // compares whether the output of the given date the same (Standard) or less - // (DST). - var stdTimezoneOffset = Math.max(winterOffset, summerOffset); - // timezone is specified as seconds west of UTC ("The external variable - // `timezone` shall be set to the difference, in seconds, between - // Coordinated Universal Time (UTC) and local standard time."), the same - // as returned by stdTimezoneOffset. - // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html - HEAPU32[timezone >> 2] = stdTimezoneOffset * 60; - HEAP32[daylight >> 2] = Number(winterOffset != summerOffset); - var extractZone = (timezoneOffset) => { - // Why inverse sign? - // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset - var sign = timezoneOffset >= 0 ? '-' : '+'; - var absOffset = Math.abs(timezoneOffset); - var hours = String(Math.floor(absOffset / 60)).padStart(2, '0'); - var minutes = String(absOffset % 60).padStart(2, '0'); - return `UTC${sign}${hours}${minutes}`; - }; - var winterName = extractZone(winterOffset); - var summerName = extractZone(summerOffset); - if (summerOffset < winterOffset) { - // Northern hemisphere - stringToUTF8(winterName, std_name, 17); - stringToUTF8(summerName, dst_name, 17); - } else { - stringToUTF8(winterName, dst_name, 17); - stringToUTF8(summerName, std_name, 17); - } - }; - - var _emscripten_date_now = () => Date.now(); - - var nowIsMonotonic = 1; - - var checkWasiClock = (clock_id) => clock_id >= 0 && clock_id <= 3; - - function _clock_time_get(clk_id, ignored_precision, ptime) { - ignored_precision = bigintToI53Checked(ignored_precision); - if (!checkWasiClock(clk_id)) { - return 28; - } - var now; - // all wasi clocks but realtime are monotonic - if (clk_id === 0) { - now = _emscripten_date_now(); - } else if (nowIsMonotonic) { - now = _emscripten_get_now(); - } else { - return 52; - } - // "now" is in ms, and wasi times are in ns. - var nsec = Math.round(now * 1e3 * 1e3); - HEAP64[ptime >> 3] = BigInt(nsec); - return 0; - } +function ___syscall_rmdir(path) { + try { + path = SYSCALLS.getStr(path); + FS.rmdir(path); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var getHeapMax = () => - // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate - // full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side - // for any code that deals with heap sizes, which would require special - // casing all heap size related code to treat 0 specially. - 2147483648; - - var _emscripten_get_heap_max = () => getHeapMax(); - - var growMemory = (size) => { - var b = wasmMemory.buffer; - var pages = ((size - b.byteLength + 65535) / 65536) | 0; - try { - // round size grow request up to wasm page size (fixed 64KB per spec) - wasmMemory.grow(pages); - // .grow() takes a delta compared to the previous size - updateMemoryViews(); - return 1; - } catch (e) {} - }; - - var _emscripten_resize_heap = (requestedSize) => { - var oldSize = HEAPU8.length; - // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. - requestedSize >>>= 0; - // With multithreaded builds, races can happen (another thread might increase the size - // in between), so return a failure, and let the caller retry. - // Memory resize rules: - // 1. Always increase heap size to at least the requested size, rounded up - // to next page multiple. - // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap - // geometrically: increase the heap size according to - // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most - // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB). - // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap - // linearly: increase the heap size by at least - // MEMORY_GROWTH_LINEAR_STEP bytes. - // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by - // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest - // 4. If we were unable to allocate as much memory, it may be due to - // over-eager decision to excessively reserve due to (3) above. - // Hence if an allocation fails, cut down on the amount of excess - // growth, in an attempt to succeed to perform a smaller allocation. - // A limit is set for how much we can grow. We should not exceed that - // (the wasm binary specifies it, so if we tried, we'd fail anyhow). - var maxHeapSize = getHeapMax(); - if (requestedSize > maxHeapSize) { - return false; - } - // Loop through potential heap size increases. If we attempt a too eager - // reservation that fails, cut down on the attempted size and reserve a - // smaller bump instead. (max 3 times, chosen somewhat arbitrarily) - for (var cutDown = 1; cutDown <= 4; cutDown *= 2) { - var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); - // ensure geometric growth - // but limit overreserving (default to capping at +96MB overgrowth at most) - overGrownHeapSize = Math.min( - overGrownHeapSize, - requestedSize + 100663296 - ); - var newSize = Math.min( - maxHeapSize, - alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536) - ); - var replacement = growMemory(newSize); - if (replacement) { - return true; - } - } - return false; - }; - - var runtimeKeepalivePush = () => { - runtimeKeepaliveCounter += 1; - }; - - var runtimeKeepalivePop = () => { - runtimeKeepaliveCounter -= 1; - }; - - /** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => { - runtimeKeepalivePush(); - return setTimeout(() => { - runtimeKeepalivePop(); - callUserCallback(func); - }, timeout); - }; - - var _emscripten_sleep = (ms) => - Asyncify.handleSleep((wakeUp) => safeSetTimeout(wakeUp, ms)); - - Module['_emscripten_sleep'] = _emscripten_sleep; - - _emscripten_sleep.isAsync = true; - - var ENV = PHPLoader.ENV || {}; - - var getExecutableName = () => thisProgram || './this.program'; - - var getEnvStrings = () => { - if (!getEnvStrings.strings) { - // Default values. - // Browser language detection #8751 - var lang = - ( - (typeof navigator == 'object' && - navigator.languages && - navigator.languages[0]) || - 'C' - ).replace('-', '_') + '.UTF-8'; - var env = { - USER: 'web_user', - LOGNAME: 'web_user', - PATH: '/', - PWD: '/', - HOME: '/home/web_user', - LANG: lang, - _: getExecutableName(), - }; - // Apply the user-provided values, if any. - for (var x in ENV) { - // x is a key in ENV; if ENV[x] is undefined, that means it was - // explicitly set to be so. We allow user code to do that to - // force variables with default values to remain unset. - if (ENV[x] === undefined) delete env[x]; - else env[x] = ENV[x]; - } - var strings = []; - for (var x in env) { - strings.push(`${x}=${env[x]}`); - } - getEnvStrings.strings = strings; - } - return getEnvStrings.strings; - }; - - var stringToAscii = (str, buffer) => { - for (var i = 0; i < str.length; ++i) { - HEAP8[buffer++] = str.charCodeAt(i); - } - // Null-terminate the string - HEAP8[buffer] = 0; - }; - - var _environ_get = (__environ, environ_buf) => { - var bufSize = 0; - getEnvStrings().forEach((string, i) => { - var ptr = environ_buf + bufSize; - HEAPU32[(__environ + i * 4) >> 2] = ptr; - stringToAscii(string, ptr); - bufSize += string.length + 1; - }); - return 0; - }; - - var _environ_sizes_get = (penviron_count, penviron_buf_size) => { - var strings = getEnvStrings(); - HEAPU32[penviron_count >> 2] = strings.length; - var bufSize = 0; - strings.forEach((string) => (bufSize += string.length + 1)); - HEAPU32[penviron_buf_size >> 2] = bufSize; - return 0; - }; - - function _fd_close(fd) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - FS.close(stream); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } +function ___syscall_sendto(fd, message, length, flags, addr, addr_len) { + try { + var sock = getSocketFromFD(fd); + if (!addr) { + // send, no address provided + return FS.write(sock.stream, HEAP8, message, length); + } + var dest = getSocketAddress(addr, addr_len); + // sendto an address + return sock.sock_ops.sendmsg(sock, HEAP8, message, length, dest.addr, dest.port); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function _fd_fdstat_get(fd, pbuf) { - try { - var rightsBase = 0; - var rightsInheriting = 0; - var flags = 0; - { - var stream = SYSCALLS.getStreamFromFD(fd); - // All character devices are terminals (other things a Linux system would - // assume is a character device, like the mouse, we have special APIs for). - var type = stream.tty - ? 2 - : FS.isDir(stream.mode) - ? 3 - : FS.isLink(stream.mode) - ? 7 - : 4; - } - HEAP8[pbuf] = type; - HEAP16[(pbuf + 2) >> 1] = flags; - HEAP64[(pbuf + 8) >> 3] = BigInt(rightsBase); - HEAP64[(pbuf + 16) >> 3] = BigInt(rightsInheriting); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } +function ___syscall_socket(domain, type, protocol) { + try { + var sock = SOCKFS.createSocket(domain, type, protocol); + return sock.stream.fd; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - /** @param {number=} offset */ var doReadv = ( - stream, - iov, - iovcnt, - offset - ) => { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAPU32[iov >> 2]; - var len = HEAPU32[(iov + 4) >> 2]; - iov += 8; - var curr = FS.read(stream, HEAP8, ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (curr < len) break; - // nothing more to read - if (typeof offset != 'undefined') { - offset += curr; - } - } - return ret; - }; - - function _fd_read(fd, iov, iovcnt, pnum) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - var num = doReadv(stream, iov, iovcnt); - HEAPU32[pnum >> 2] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } +function ___syscall_stat64(path, buf) { + try { + path = SYSCALLS.getStr(path); + return SYSCALLS.writeStat(buf, FS.stat(path)); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function _fd_seek(fd, offset, whence, newOffset) { - offset = bigintToI53Checked(offset); - try { - if (isNaN(offset)) return 61; - var stream = SYSCALLS.getStreamFromFD(fd); - FS.llseek(stream, offset, whence); - HEAP64[newOffset >> 3] = BigInt(stream.position); - if (stream.getdents && offset === 0 && whence === 0) - stream.getdents = null; - // reset readdir state - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } +function ___syscall_statfs64(path, size, buf) { + try { + SYSCALLS.writeStatFs(buf, FS.statfs(SYSCALLS.getStr(path))); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var _fd_sync = function (fd) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - return Asyncify.handleSleep((wakeUp) => { - var mount = stream.node.mount; - if (!mount.type.syncfs) { - // We write directly to the file system, so there's nothing to do here. - wakeUp(0); - return; - } - mount.type.syncfs(mount, false, (err) => { - if (err) { - wakeUp(29); - return; - } - wakeUp(0); - }); - }); - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - }; - - _fd_sync.isAsync = true; - - /** @param {number=} offset */ var doWritev = ( - stream, - iov, - iovcnt, - offset - ) => { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAPU32[iov >> 2]; - var len = HEAPU32[(iov + 4) >> 2]; - iov += 8; - var curr = FS.write(stream, HEAP8, ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (curr < len) { - // No more space to write. - break; - } - if (typeof offset != 'undefined') { - offset += curr; - } - } - return ret; - }; - - function _fd_write(fd, iov, iovcnt, pnum) { - try { - var stream = SYSCALLS.getStreamFromFD(fd); - var num = doWritev(stream, iov, iovcnt); - HEAPU32[pnum >> 2] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } +function ___syscall_symlinkat(target, dirfd, linkpath) { + try { + target = SYSCALLS.getStr(target); + linkpath = SYSCALLS.getStr(linkpath); + linkpath = SYSCALLS.calculateAt(dirfd, linkpath); + FS.symlink(target, linkpath); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - var _getaddrinfo = (node, service, hint, out) => { - var addr = 0; - var port = 0; - var flags = 0; - var family = 0; - var type = 0; - var proto = 0; - var ai; - function allocaddrinfo(family, type, proto, canon, addr, port) { - var sa, salen, ai; - var errno; - salen = family === 10 ? 28 : 16; - addr = family === 10 ? inetNtop6(addr) : inetNtop4(addr); - sa = _malloc(salen); - errno = writeSockaddr(sa, family, addr, port); - assert(!errno); - ai = _malloc(32); - HEAP32[(ai + 4) >> 2] = family; - HEAP32[(ai + 8) >> 2] = type; - HEAP32[(ai + 12) >> 2] = proto; - HEAPU32[(ai + 24) >> 2] = canon; - HEAPU32[(ai + 20) >> 2] = sa; - if (family === 10) { - HEAP32[(ai + 16) >> 2] = 28; - } else { - HEAP32[(ai + 16) >> 2] = 16; - } - HEAP32[(ai + 28) >> 2] = 0; - return ai; - } - if (hint) { - flags = HEAP32[hint >> 2]; - family = HEAP32[(hint + 4) >> 2]; - type = HEAP32[(hint + 8) >> 2]; - proto = HEAP32[(hint + 12) >> 2]; - } - if (type && !proto) { - proto = type === 2 ? 17 : 6; - } - if (!type && proto) { - type = proto === 17 ? 2 : 1; - } - // If type or proto are set to zero in hints we should really be returning multiple addrinfo values, but for - // now default to a TCP STREAM socket so we can at least return a sensible addrinfo given NULL hints. - if (proto === 0) { - proto = 6; - } - if (type === 0) { - type = 1; - } - if (!node && !service) { - return -2; - } - if (flags & ~(1 | 2 | 4 | 1024 | 8 | 16 | 32)) { - return -1; - } - if (hint !== 0 && HEAP32[hint >> 2] & 2 && !node) { - return -1; - } - if (flags & 32) { - // TODO - return -2; - } - if (type !== 0 && type !== 1 && type !== 2) { - return -7; - } - if (family !== 0 && family !== 2 && family !== 10) { - return -6; - } - if (service) { - service = UTF8ToString(service); - port = parseInt(service, 10); - if (isNaN(port)) { - if (flags & 1024) { - return -2; - } - // TODO support resolving well-known service names from: - // http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt - return -8; - } - } - if (!node) { - if (family === 0) { - family = 2; - } - if ((flags & 1) === 0) { - if (family === 2) { - addr = _htonl(2130706433); - } else { - addr = [0, 0, 0, _htonl(1)]; - } - } - ai = allocaddrinfo(family, type, proto, null, addr, port); - HEAPU32[out >> 2] = ai; - return 0; - } - // try as a numeric address - node = UTF8ToString(node); - addr = inetPton4(node); - if (addr !== null) { - // incoming node is a valid ipv4 address - if (family === 0 || family === 2) { - family = 2; - } else if (family === 10 && flags & 8) { - addr = [0, 0, _htonl(65535), addr]; - family = 10; - } else { - return -2; - } - } else { - addr = inetPton6(node); - if (addr !== null) { - // incoming node is a valid ipv6 address - if (family === 0 || family === 10) { - family = 10; - } else { - return -2; - } - } - } - if (addr != null) { - ai = allocaddrinfo(family, type, proto, node, addr, port); - HEAPU32[out >> 2] = ai; - return 0; - } - if (flags & 4) { - return -2; - } - // try as a hostname - // resolve the hostname to a temporary fake address - node = DNS.lookup_name(node); - addr = inetPton4(node); - if (family === 0) { - family = 2; - } else if (family === 10) { - addr = [0, 0, _htonl(65535), addr]; - } - ai = allocaddrinfo(family, type, proto, null, addr, port); - HEAPU32[out >> 2] = ai; - return 0; - }; - - var _getcontext = () => abort('missing function: ${name}'); - - var _getdtablesize = () => abort('missing function: ${name}'); - - var _getnameinfo = (sa, salen, node, nodelen, serv, servlen, flags) => { - var info = readSockaddr(sa, salen); - if (info.errno) { - return -6; - } - var port = info.port; - var addr = info.addr; - var overflowed = false; - if (node && nodelen) { - var lookup; - if (flags & 1 || !(lookup = DNS.lookup_addr(addr))) { - if (flags & 8) { - return -2; - } - } else { - addr = lookup; - } - var numBytesWrittenExclNull = stringToUTF8(addr, node, nodelen); - if (numBytesWrittenExclNull + 1 >= nodelen) { - overflowed = true; - } - } - if (serv && servlen) { - port = '' + port; - var numBytesWrittenExclNull = stringToUTF8(port, serv, servlen); - if (numBytesWrittenExclNull + 1 >= servlen) { - overflowed = true; - } - } - if (overflowed) { - // Note: even when we overflow, getnameinfo() is specced to write out the truncated results. - return -12; - } - return 0; - }; - - var Protocols = { - list: [], - map: {}, - }; - - var _setprotoent = (stayopen) => { - // void setprotoent(int stayopen); - // Allocate and populate a protoent structure given a name, protocol number and array of aliases - function allocprotoent(name, proto, aliases) { - // write name into buffer - var nameBuf = _malloc(name.length + 1); - stringToAscii(name, nameBuf); - // write aliases into buffer - var j = 0; - var length = aliases.length; - var aliasListBuf = _malloc((length + 1) * 4); - // Use length + 1 so we have space for the terminating NULL ptr. - for (var i = 0; i < length; i++, j += 4) { - var alias = aliases[i]; - var aliasBuf = _malloc(alias.length + 1); - stringToAscii(alias, aliasBuf); - HEAPU32[(aliasListBuf + j) >> 2] = aliasBuf; - } - HEAPU32[(aliasListBuf + j) >> 2] = 0; - // Terminating NULL pointer. - // generate protoent - var pe = _malloc(12); - HEAPU32[pe >> 2] = nameBuf; - HEAPU32[(pe + 4) >> 2] = aliasListBuf; - HEAP32[(pe + 8) >> 2] = proto; - return pe; - } - // Populate the protocol 'database'. The entries are limited to tcp and udp, though it is fairly trivial - // to add extra entries from /etc/protocols if desired - though not sure if that'd actually be useful. - var list = Protocols.list; - var map = Protocols.map; - if (list.length === 0) { - var entry = allocprotoent('tcp', 6, ['TCP']); - list.push(entry); - map['tcp'] = map['6'] = entry; - entry = allocprotoent('udp', 17, ['UDP']); - list.push(entry); - map['udp'] = map['17'] = entry; - } - _setprotoent.index = 0; - }; - - var _getprotobyname = (name) => { - // struct protoent *getprotobyname(const char *); - name = UTF8ToString(name); - _setprotoent(true); - var result = Protocols.map[name]; - return result; - }; - - var _getprotobynumber = (number) => { - // struct protoent *getprotobynumber(int proto); - _setprotoent(true); - var result = Protocols.map[number]; - return result; - }; - - var stackAlloc = (sz) => __emscripten_stack_alloc(sz); - - /** @suppress {duplicate } */ var stringToUTF8OnStack = (str) => { - var size = lengthBytesUTF8(str) + 1; - var ret = stackAlloc(size); - stringToUTF8(str, ret, size); - return ret; - }; - - var allocateUTF8OnStack = stringToUTF8OnStack; - - var PHPWASM = { - init: function () { - // The /internal directory is required by the C module. It's where the - // stdout, stderr, and headers information are written for the JavaScript - // code to read later on. - FS.mkdir('/internal'); - // The files from the shared directory are shared between all the - // PHP processes managed by PHPProcessManager. - FS.mkdir('/internal/shared'); - // The files from the preload directory are preloaded using the - // auto_prepend_file php.ini directive. - FS.mkdir('/internal/shared/preload'); - PHPWASM.EventEmitter = ENVIRONMENT_IS_NODE - ? require('events').EventEmitter - : class EventEmitter { - constructor() { - this.listeners = {}; - } - emit(eventName, data) { - if (this.listeners[eventName]) { - this.listeners[eventName].forEach( - (callback) => { - callback(data); - } - ); - } - } - once(eventName, callback) { - const self = this; - function removedCallback() { - callback(...arguments); - self.removeListener(eventName, removedCallback); - } - this.on(eventName, removedCallback); - } - removeAllListeners(eventName) { - if (eventName) { - delete this.listeners[eventName]; - } else { - this.listeners = {}; - } - } - removeListener(eventName, callback) { - if (this.listeners[eventName]) { - const idx = - this.listeners[eventName].indexOf(callback); - if (idx !== -1) { - this.listeners[eventName].splice(idx, 1); - } - } - } - }; - PHPWASM.child_proc_by_fd = {}; - PHPWASM.child_proc_by_pid = {}; - PHPWASM.input_devices = {}; - }, - getAllWebSockets: function (sock) { - const webSockets = new Set(); - if (sock.server) { - sock.server.clients.forEach((ws) => { - webSockets.add(ws); - }); - } - for (const peer of PHPWASM.getAllPeers(sock)) { - webSockets.add(peer.socket); - } - return Array.from(webSockets); - }, - getAllPeers: function (sock) { - const peers = new Set(); - if (sock.server) { - sock.pending - .filter((pending) => pending.peers) - .forEach((pending) => { - for (const peer of Object.values(pending.peers)) { - peers.add(peer); - } - }); - } - if (sock.peers) { - for (const peer of Object.values(sock.peers)) { - peers.add(peer); - } - } - return Array.from(peers); - }, - awaitData: function (ws) { - return PHPWASM.awaitEvent(ws, 'message'); - }, - awaitConnection: function (ws) { - if (ws.OPEN === ws.readyState) { - return [Promise.resolve(), PHPWASM.noop]; - } - return PHPWASM.awaitEvent(ws, 'open'); - }, - awaitClose: function (ws) { - if ([ws.CLOSING, ws.CLOSED].includes(ws.readyState)) { - return [Promise.resolve(), PHPWASM.noop]; - } - return PHPWASM.awaitEvent(ws, 'close'); - }, - awaitError: function (ws) { - if ([ws.CLOSING, ws.CLOSED].includes(ws.readyState)) { - return [Promise.resolve(), PHPWASM.noop]; - } - return PHPWASM.awaitEvent(ws, 'error'); - }, - awaitEvent: function (ws, event) { - let resolve; - const listener = () => { - resolve(); - }; - const promise = new Promise(function (_resolve) { - resolve = _resolve; - ws.once(event, listener); - }); - const cancel = () => { - ws.removeListener(event, listener); - // Rejecting the promises bubbles up and kills the entire - // node process. Let's resolve them on the next tick instead - // to give the caller some space to unbind any handlers. - setTimeout(resolve); - }; - return [promise, cancel]; - }, - noop: function () {}, - spawnProcess: function (command, args, options) { - if (Module['spawnProcess']) { - const spawnedPromise = Module['spawnProcess']( - command, - args, - options - ); - return Promise.resolve(spawnedPromise).then(function (spawned) { - if (!spawned || !spawned.on) { - throw new Error( - 'spawnProcess() must return an EventEmitter but returned a different type.' - ); - } - return spawned; - }); - } - if (ENVIRONMENT_IS_NODE) { - return require('child_process').spawn(command, args, { - ...options, - shell: true, - stdio: ['pipe', 'pipe', 'pipe'], - timeout: 100, - }); - } - const e = new Error( - 'popen(), proc_open() etc. are unsupported in the browser. Call php.setSpawnHandler() ' + - 'and provide a callback to handle spawning processes, or disable a popen(), proc_open() ' + - 'and similar functions via php.ini.' - ); - e.code = 'SPAWN_UNSUPPORTED'; - throw e; - }, - shutdownSocket: function (socketd, how) { - // This implementation only supports websockets at the moment - const sock = getSocketFromFD(socketd); - const peer = Object.values(sock.peers)[0]; - if (!peer) { - return -1; - } - try { - peer.socket.close(); - SOCKFS.websocket_sock_ops.removePeer(sock, peer); - return 0; - } catch (e) { - console.log('Socket shutdown error', e); - return -1; - } - }, - }; - - function _js_create_input_device(deviceId) { - let dataBuffer = []; - let dataCallback; - const filename = 'proc_id_' + deviceId; - const device = FS.createDevice( - '/dev', - filename, - function () {}, - function (byte) { - try { - dataBuffer.push(byte); - if (dataCallback) { - dataCallback(new Uint8Array(dataBuffer)); - dataBuffer = []; - } - } catch (e) { - console.error(e); - throw e; - } - } - ); - const devicePath = '/dev/' + filename; - PHPWASM.input_devices[deviceId] = { - devicePath, - onData: function (cb) { - dataCallback = cb; - dataBuffer.forEach(function (data) { - cb(data); - }); - dataBuffer.length = 0; - }, - }; - return allocateUTF8OnStack(devicePath); - } +function ___syscall_unlinkat(dirfd, path, flags) { + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (flags === 0) { + FS.unlink(path); + } else if (flags === 512) { + FS.rmdir(path); + } else { + abort("Invalid flags passed to unlinkat"); + } + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function _js_open_process( - command, - argsPtr, - argsLength, - descriptorsPtr, - descriptorsLength, - cwdPtr, - cwdLength, - envPtr, - envLength - ) { - if (!command) { - return 1; - } - const cmdstr = UTF8ToString(command); - if (!cmdstr.length) { - return 0; - } - let argsArray = []; - if (argsLength) { - for (var i = 0; i < argsLength; i++) { - const charPointer = argsPtr + i * 4; - argsArray.push(UTF8ToString(HEAPU32[charPointer >> 2])); - } - } - const cwdstr = cwdPtr ? UTF8ToString(cwdPtr) : null; - let envObject = null; - if (envLength) { - envObject = {}; - for (var i = 0; i < envLength; i++) { - const envPointer = envPtr + i * 4; - const envEntry = UTF8ToString(HEAPU32[envPointer >> 2]); - const splitAt = envEntry.indexOf('='); - if (splitAt === -1) { - continue; - } - const key = envEntry.substring(0, splitAt); - const value = envEntry.substring(splitAt + 1); - envObject[key] = value; - } - } - var std = {}; - // Extracts an array of available descriptors that should be dispatched to streams. - // On the C side, the descriptors are expressed as `**int` so we must go read - // each of the `descriptorsLength` `*int` pointers and convert the associated data into - // a JavaScript object { descriptor : { child : fd, parent : fd } }. - for (var i = 0; i < descriptorsLength; i++) { - const descriptorPtr = HEAPU32[(descriptorsPtr + i * 4) >> 2]; - std[HEAPU32[descriptorPtr >> 2]] = { - child: HEAPU32[(descriptorPtr + 4) >> 2], - parent: HEAPU32[(descriptorPtr + 8) >> 2], - }; - } - return Asyncify.handleSleep(async (wakeUp) => { - let cp; - try { - const options = {}; - if (cwdstr !== null) { - options.cwd = cwdstr; - } - if (envObject !== null) { - options.env = envObject; - } - cp = PHPWASM.spawnProcess(cmdstr, argsArray, options); - if (cp instanceof Promise) { - cp = await cp; - } - } catch (e) { - if (e.code === 'SPAWN_UNSUPPORTED') { - wakeUp(1); - return; - } - console.error(e); - wakeUp(1); - throw e; - } - const ProcInfo = { - pid: cp.pid, - exited: false, - stdinFd: std[0]?.child, - stdinIsDevice: std[0]?.child in PHPWASM.input_devices, - stdoutChildFd: std[1]?.child, - stdoutParentFd: std[1]?.parent, - stderrChildFd: std[2]?.child, - stderrParentFd: std[2]?.parent, - stdout: new PHPWASM.EventEmitter(), - stderr: new PHPWASM.EventEmitter(), - }; - if (ProcInfo.stdoutChildFd) - PHPWASM.child_proc_by_fd[ProcInfo.stdoutChildFd] = ProcInfo; - if (ProcInfo.stderrChildFd) - PHPWASM.child_proc_by_fd[ProcInfo.stderrChildFd] = ProcInfo; - if (ProcInfo.stdoutParentFd) - PHPWASM.child_proc_by_fd[ProcInfo.stdoutParentFd] = ProcInfo; - if (ProcInfo.stderrParentFd) - PHPWASM.child_proc_by_fd[ProcInfo.stderrParentFd] = ProcInfo; - PHPWASM.child_proc_by_pid[ProcInfo.pid] = ProcInfo; - cp.on('exit', function (code) { - ProcInfo.exitCode = code; - ProcInfo.exited = true; - // Emit events for the wasm_poll_socket function. - ProcInfo.stdout.emit('data'); - ProcInfo.stderr.emit('data'); - }); - // Pass data from child process's stdout to PHP's end of the stdout pipe. - if (ProcInfo.stdoutChildFd) { - const stdoutStream = SYSCALLS.getStreamFromFD( - ProcInfo.stdoutChildFd - ); - let stdoutAt = 0; - cp.stdout.on('data', function (data) { - ProcInfo.stdout.emit('data', data); - stdoutStream.stream_ops.write( - stdoutStream, - data, - 0, - data.length, - stdoutAt - ); - stdoutAt += data.length; - }); - } - // Pass data from child process's stderr to PHP's end of the stdout pipe. - if (ProcInfo.stderrChildFd) { - const stderrStream = SYSCALLS.getStreamFromFD( - ProcInfo.stderrChildFd - ); - let stderrAt = 0; - cp.stderr.on('data', function (data) { - ProcInfo.stderr.emit('data', data); - stderrStream.stream_ops.write( - stderrStream, - data, - 0, - data.length, - stderrAt - ); - stderrAt += data.length; - }); - } - /** - * Wait until the child process has been spawned. - * Unfortunately there is no Node.js API to check whether - * the process has already been spawned. We can only listen - * to the 'spawn' event and if it has already been spawned, - * listen to the 'exit' event. - */ try { - await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); - }); - } catch (e) { - console.error(e); - wakeUp(1); - return; - } - // Now we want to pass data from the STDIN source supplied by PHP - // to the child process. - // PHP will write STDIN data to a device. - if (ProcInfo.stdinIsDevice) { - // We use Emscripten devices as pipes. This is a bit of a hack - // but it works as we get a callback when the device is written to. - // Let's listen to anything it outputs and pass it to the child process. - PHPWASM.input_devices[ProcInfo.stdinFd].onData(function (data) { - if (!data) return; - if (typeof data === 'number') { - data = new Uint8Array([data]); - } - const dataStr = new TextDecoder('utf-8').decode(data); - cp.stdin.write(dataStr); - }); - wakeUp(ProcInfo.pid); - return; - } - if (ProcInfo.stdinFd) { - // PHP will write STDIN data to a file descriptor. - const stdinStream = SYSCALLS.getStreamFromFD(ProcInfo.stdinFd); - if (stdinStream.node) { - // Pipe the entire stdinStream to cp.stdin - const CHUNK_SIZE = 1024; - const buffer = new Uint8Array(CHUNK_SIZE); - let offset = 0; - while (true) { - const bytesRead = stdinStream.stream_ops.read( - stdinStream, - buffer, - 0, - CHUNK_SIZE, - offset - ); - if (bytesRead === null || bytesRead === 0) { - break; - } - try { - cp.stdin.write(buffer.subarray(0, bytesRead)); - } catch (e) { - console.error(e); - return 1; - } - if (bytesRead < CHUNK_SIZE) { - break; - } - offset += bytesRead; - } - wakeUp(ProcInfo.pid); - return; - } - } - wakeUp(ProcInfo.pid); - }); - } +var readI53FromI64 = ptr => HEAPU32[((ptr) >> 2)] + HEAP32[(((ptr) + (4)) >> 2)] * 4294967296; + +function ___syscall_utimensat(dirfd, path, times, flags) { + try { + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path, true); + var now = Date.now(), atime, mtime; + if (!times) { + atime = now; + mtime = now; + } else { + var seconds = readI53FromI64(times); + var nanoseconds = HEAP32[(((times) + (8)) >> 2)]; + if (nanoseconds == 1073741823) { + atime = now; + } else if (nanoseconds == 1073741822) { + atime = null; + } else { + atime = (seconds * 1e3) + (nanoseconds / (1e3 * 1e3)); + } + times += 16; + seconds = readI53FromI64(times); + nanoseconds = HEAP32[(((times) + (8)) >> 2)]; + if (nanoseconds == 1073741823) { + mtime = now; + } else if (nanoseconds == 1073741822) { + mtime = null; + } else { + mtime = (seconds * 1e3) + (nanoseconds / (1e3 * 1e3)); + } + } + // null here means UTIME_OMIT was passed. If both were set to UTIME_OMIT then + // we can skip the call completely. + if ((mtime ?? atime) !== null) { + FS.utime(path, atime, mtime); + } + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} - function _js_process_status(pid, exitCodePtr) { - if (!PHPWASM.child_proc_by_pid[pid]) { - return -1; - } - if (PHPWASM.child_proc_by_pid[pid].exited) { - HEAPU32[exitCodePtr >> 2] = PHPWASM.child_proc_by_pid[pid].exitCode; - return 1; - } - return 0; - } +var __abort_js = () => abort(""); + +var __emscripten_lookup_name = name => { + // uint32_t _emscripten_lookup_name(const char *name); + var nameString = UTF8ToString(name); + return inetPton4(DNS.lookup_name(nameString)); +}; + +var runtimeKeepaliveCounter = 0; + +var __emscripten_runtime_keepalive_clear = () => { + noExitRuntime = false; + runtimeKeepaliveCounter = 0; +}; + +var __emscripten_throw_longjmp = () => { + throw Infinity; +}; + +function __gmtime_js(time, tmPtr) { + time = bigintToI53Checked(time); + var date = new Date(time * 1e3); + HEAP32[((tmPtr) >> 2)] = date.getUTCSeconds(); + HEAP32[(((tmPtr) + (4)) >> 2)] = date.getUTCMinutes(); + HEAP32[(((tmPtr) + (8)) >> 2)] = date.getUTCHours(); + HEAP32[(((tmPtr) + (12)) >> 2)] = date.getUTCDate(); + HEAP32[(((tmPtr) + (16)) >> 2)] = date.getUTCMonth(); + HEAP32[(((tmPtr) + (20)) >> 2)] = date.getUTCFullYear() - 1900; + HEAP32[(((tmPtr) + (24)) >> 2)] = date.getUTCDay(); + var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0); + var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0; + HEAP32[(((tmPtr) + (28)) >> 2)] = yday; +} - function _js_waitpid(pid, exitCodePtr) { - if (!PHPWASM.child_proc_by_pid[pid]) { - return -1; - } - return Asyncify.handleSleep((wakeUp) => { - const poll = function () { - if (PHPWASM.child_proc_by_pid[pid]?.exited) { - HEAPU32[exitCodePtr >> 2] = - PHPWASM.child_proc_by_pid[pid].exitCode; - wakeUp(pid); - } else { - setTimeout(poll, 50); - } - }; - poll(); - }); - } +var isLeapYear = year => year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0); + +var MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ]; + +var MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ]; + +var ydayFromDate = date => { + var leap = isLeapYear(date.getFullYear()); + var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE); + var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1; + // -1 since it's days since Jan 1 + return yday; +}; + +function __localtime_js(time, tmPtr) { + time = bigintToI53Checked(time); + var date = new Date(time * 1e3); + HEAP32[((tmPtr) >> 2)] = date.getSeconds(); + HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes(); + HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours(); + HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate(); + HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth(); + HEAP32[(((tmPtr) + (20)) >> 2)] = date.getFullYear() - 1900; + HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay(); + var yday = ydayFromDate(date) | 0; + HEAP32[(((tmPtr) + (28)) >> 2)] = yday; + HEAP32[(((tmPtr) + (36)) >> 2)] = -(date.getTimezoneOffset() * 60); + // Attention: DST is in December in South, and some regions don't have DST at all. + var start = new Date(date.getFullYear(), 0, 1); + var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset(); + var winterOffset = start.getTimezoneOffset(); + var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0; + HEAP32[(((tmPtr) + (32)) >> 2)] = dst; +} + +var __mktime_js = function(tmPtr) { + var ret = (() => { + var date = new Date(HEAP32[(((tmPtr) + (20)) >> 2)] + 1900, HEAP32[(((tmPtr) + (16)) >> 2)], HEAP32[(((tmPtr) + (12)) >> 2)], HEAP32[(((tmPtr) + (8)) >> 2)], HEAP32[(((tmPtr) + (4)) >> 2)], HEAP32[((tmPtr) >> 2)], 0); + // There's an ambiguous hour when the time goes back; the tm_isdst field is + // used to disambiguate it. Date() basically guesses, so we fix it up if it + // guessed wrong, or fill in tm_isdst with the guess if it's -1. + var dst = HEAP32[(((tmPtr) + (32)) >> 2)]; + var guessedOffset = date.getTimezoneOffset(); + var start = new Date(date.getFullYear(), 0, 1); + var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset(); + var winterOffset = start.getTimezoneOffset(); + var dstOffset = Math.min(winterOffset, summerOffset); + // DST is in December in South + if (dst < 0) { + // Attention: some regions don't have DST at all. + HEAP32[(((tmPtr) + (32)) >> 2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset); + } else if ((dst > 0) != (dstOffset == guessedOffset)) { + var nonDstOffset = Math.max(winterOffset, summerOffset); + var trueOffset = dst > 0 ? dstOffset : nonDstOffset; + // Don't try setMinutes(date.getMinutes() + ...) -- it's messed up. + date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4); + } + HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay(); + var yday = ydayFromDate(date) | 0; + HEAP32[(((tmPtr) + (28)) >> 2)] = yday; + // To match expected behavior, update fields from date + HEAP32[((tmPtr) >> 2)] = date.getSeconds(); + HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes(); + HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours(); + HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate(); + HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth(); + HEAP32[(((tmPtr) + (20)) >> 2)] = date.getYear(); + var timeMs = date.getTime(); + if (isNaN(timeMs)) { + return -1; + } + // Return time in microseconds + return timeMs / 1e3; + })(); + return BigInt(ret); +}; + +function __mmap_js(len, prot, flags, fd, offset, allocated, addr) { + offset = bigintToI53Checked(offset); + try { + if (isNaN(offset)) return 61; + var stream = SYSCALLS.getStreamFromFD(fd); + var res = FS.mmap(stream, len, offset, prot, flags); + var ptr = res.ptr; + HEAP32[((allocated) >> 2)] = res.allocated; + HEAPU32[((addr) >> 2)] = ptr; + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} + +function __munmap_js(addr, len, prot, flags, fd, offset) { + offset = bigintToI53Checked(offset); + try { + var stream = SYSCALLS.getStreamFromFD(fd); + if (prot & 2) { + SYSCALLS.doMsync(addr, stream, len, flags, offset); + } + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return -e.errno; + } +} + +var timers = {}; + +var handleException = e => { + // Certain exception types we do not treat as errors since they are used for + // internal control flow. + // 1. ExitStatus, which is thrown by exit() + // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others + // that wish to return to JS event loop. + if (e instanceof ExitStatus || e == "unwind") { + return EXITSTATUS; + } + quit_(1, e); +}; + +var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; + +var _proc_exit = code => { + EXITSTATUS = code; + if (!keepRuntimeAlive()) { + Module["onExit"]?.(code); + ABORT = true; + } + quit_(code, new ExitStatus(code)); +}; + +/** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => { + EXITSTATUS = status; + if (!keepRuntimeAlive()) { + exitRuntime(); + } + _proc_exit(status); +}; + +var _exit = exitJS; + +Module["_exit"] = _exit; + +var maybeExit = () => { + if (runtimeExited) { + return; + } + if (!keepRuntimeAlive()) { + try { + _exit(EXITSTATUS); + } catch (e) { + handleException(e); + } + } +}; + +var callUserCallback = func => { + if (runtimeExited || ABORT) { + return; + } + try { + func(); + maybeExit(); + } catch (e) { + handleException(e); + } +}; + +var _emscripten_get_now = () => performance.now(); + +var __setitimer_js = (which, timeout_ms) => { + // First, clear any existing timer. + if (timers[which]) { + clearTimeout(timers[which].id); + delete timers[which]; + } + // A timeout of zero simply cancels the current timeout so we have nothing + // more to do. + if (!timeout_ms) return 0; + var id = setTimeout(() => { + delete timers[which]; + callUserCallback(() => __emscripten_timeout(which, _emscripten_get_now())); + }, timeout_ms); + timers[which] = { + id, + timeout_ms + }; + return 0; +}; + +var __tzset_js = (timezone, daylight, std_name, dst_name) => { + // TODO: Use (malleable) environment variables instead of system settings. + var currentYear = (new Date).getFullYear(); + var winter = new Date(currentYear, 0, 1); + var summer = new Date(currentYear, 6, 1); + var winterOffset = winter.getTimezoneOffset(); + var summerOffset = summer.getTimezoneOffset(); + // Local standard timezone offset. Local standard time is not adjusted for + // daylight savings. This code uses the fact that getTimezoneOffset returns + // a greater value during Standard Time versus Daylight Saving Time (DST). + // Thus it determines the expected output during Standard Time, and it + // compares whether the output of the given date the same (Standard) or less + // (DST). + var stdTimezoneOffset = Math.max(winterOffset, summerOffset); + // timezone is specified as seconds west of UTC ("The external variable + // `timezone` shall be set to the difference, in seconds, between + // Coordinated Universal Time (UTC) and local standard time."), the same + // as returned by stdTimezoneOffset. + // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html + HEAPU32[((timezone) >> 2)] = stdTimezoneOffset * 60; + HEAP32[((daylight) >> 2)] = Number(winterOffset != summerOffset); + var extractZone = timezoneOffset => { + // Why inverse sign? + // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset + var sign = timezoneOffset >= 0 ? "-" : "+"; + var absOffset = Math.abs(timezoneOffset); + var hours = String(Math.floor(absOffset / 60)).padStart(2, "0"); + var minutes = String(absOffset % 60).padStart(2, "0"); + return `UTC${sign}${hours}${minutes}`; + }; + var winterName = extractZone(winterOffset); + var summerName = extractZone(summerOffset); + if (summerOffset < winterOffset) { + // Northern hemisphere + stringToUTF8(winterName, std_name, 17); + stringToUTF8(summerName, dst_name, 17); + } else { + stringToUTF8(winterName, dst_name, 17); + stringToUTF8(summerName, std_name, 17); + } +}; + +var _emscripten_date_now = () => Date.now(); + +var nowIsMonotonic = 1; + +var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3; + +function _clock_time_get(clk_id, ignored_precision, ptime) { + ignored_precision = bigintToI53Checked(ignored_precision); + if (!checkWasiClock(clk_id)) { + return 28; + } + var now; + // all wasi clocks but realtime are monotonic + if (clk_id === 0) { + now = _emscripten_date_now(); + } else if (nowIsMonotonic) { + now = _emscripten_get_now(); + } else { + return 52; + } + // "now" is in ms, and wasi times are in ns. + var nsec = Math.round(now * 1e3 * 1e3); + HEAP64[((ptime) >> 3)] = BigInt(nsec); + return 0; +} + +var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate +// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side +// for any code that deals with heap sizes, which would require special +// casing all heap size related code to treat 0 specially. +2147483648; + +var _emscripten_get_heap_max = () => getHeapMax(); + +var growMemory = size => { + var b = wasmMemory.buffer; + var pages = ((size - b.byteLength + 65535) / 65536) | 0; + try { + // round size grow request up to wasm page size (fixed 64KB per spec) + wasmMemory.grow(pages); + // .grow() takes a delta compared to the previous size + updateMemoryViews(); + return 1; + } catch (e) {} +}; + +var _emscripten_resize_heap = requestedSize => { + var oldSize = HEAPU8.length; + // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. + requestedSize >>>= 0; + // With multithreaded builds, races can happen (another thread might increase the size + // in between), so return a failure, and let the caller retry. + // Memory resize rules: + // 1. Always increase heap size to at least the requested size, rounded up + // to next page multiple. + // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap + // geometrically: increase the heap size according to + // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most + // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB). + // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap + // linearly: increase the heap size by at least + // MEMORY_GROWTH_LINEAR_STEP bytes. + // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by + // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest + // 4. If we were unable to allocate as much memory, it may be due to + // over-eager decision to excessively reserve due to (3) above. + // Hence if an allocation fails, cut down on the amount of excess + // growth, in an attempt to succeed to perform a smaller allocation. + // A limit is set for how much we can grow. We should not exceed that + // (the wasm binary specifies it, so if we tried, we'd fail anyhow). + var maxHeapSize = getHeapMax(); + if (requestedSize > maxHeapSize) { + return false; + } + // Loop through potential heap size increases. If we attempt a too eager + // reservation that fails, cut down on the attempted size and reserve a + // smaller bump instead. (max 3 times, chosen somewhat arbitrarily) + for (var cutDown = 1; cutDown <= 4; cutDown *= 2) { + var overGrownHeapSize = oldSize * (1 + .2 / cutDown); + // ensure geometric growth + // but limit overreserving (default to capping at +96MB overgrowth at most) + overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296); + var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536)); + var replacement = growMemory(newSize); + if (replacement) { + return true; + } + } + return false; +}; + +var runtimeKeepalivePush = () => { + runtimeKeepaliveCounter += 1; +}; + +var runtimeKeepalivePop = () => { + runtimeKeepaliveCounter -= 1; +}; + +/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => { + runtimeKeepalivePush(); + return setTimeout(() => { + runtimeKeepalivePop(); + callUserCallback(func); + }, timeout); +}; + +var _emscripten_sleep = ms => Asyncify.handleSleep(wakeUp => safeSetTimeout(wakeUp, ms)); + +Module["_emscripten_sleep"] = _emscripten_sleep; + +_emscripten_sleep.isAsync = true; + +var ENV = PHPLoader.ENV || {}; + +var getExecutableName = () => thisProgram || "./this.program"; + +var getEnvStrings = () => { + if (!getEnvStrings.strings) { + // Default values. + // Browser language detection #8751 + var lang = ((typeof navigator == "object" && navigator.languages && navigator.languages[0]) || "C").replace("-", "_") + ".UTF-8"; + var env = { + "USER": "web_user", + "LOGNAME": "web_user", + "PATH": "/", + "PWD": "/", + "HOME": "/home/web_user", + "LANG": lang, + "_": getExecutableName() + }; + // Apply the user-provided values, if any. + for (var x in ENV) { + // x is a key in ENV; if ENV[x] is undefined, that means it was + // explicitly set to be so. We allow user code to do that to + // force variables with default values to remain unset. + if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x]; + } + var strings = []; + for (var x in env) { + strings.push(`${x}=${env[x]}`); + } + getEnvStrings.strings = strings; + } + return getEnvStrings.strings; +}; + +var stringToAscii = (str, buffer) => { + for (var i = 0; i < str.length; ++i) { + HEAP8[buffer++] = str.charCodeAt(i); + } + // Null-terminate the string + HEAP8[buffer] = 0; +}; + +var _environ_get = (__environ, environ_buf) => { + var bufSize = 0; + getEnvStrings().forEach((string, i) => { + var ptr = environ_buf + bufSize; + HEAPU32[(((__environ) + (i * 4)) >> 2)] = ptr; + stringToAscii(string, ptr); + bufSize += string.length + 1; + }); + return 0; +}; + +var _environ_sizes_get = (penviron_count, penviron_buf_size) => { + var strings = getEnvStrings(); + HEAPU32[((penviron_count) >> 2)] = strings.length; + var bufSize = 0; + strings.forEach(string => bufSize += string.length + 1); + HEAPU32[((penviron_buf_size) >> 2)] = bufSize; + return 0; +}; + +function _fd_close(fd) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + FS.close(stream); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +} + +function _fd_fdstat_get(fd, pbuf) { + try { + var rightsBase = 0; + var rightsInheriting = 0; + var flags = 0; + { + var stream = SYSCALLS.getStreamFromFD(fd); + // All character devices are terminals (other things a Linux system would + // assume is a character device, like the mouse, we have special APIs for). + var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4; + } + HEAP8[pbuf] = type; + HEAP16[(((pbuf) + (2)) >> 1)] = flags; + HEAP64[(((pbuf) + (8)) >> 3)] = BigInt(rightsBase); + HEAP64[(((pbuf) + (16)) >> 3)] = BigInt(rightsInheriting); + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +} + +/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov) >> 2)]; + var len = HEAPU32[(((iov) + (4)) >> 2)]; + iov += 8; + var curr = FS.read(stream, HEAP8, ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + if (curr < len) break; + // nothing more to read + if (typeof offset != "undefined") { + offset += curr; + } + } + return ret; +}; + +function _fd_read(fd, iov, iovcnt, pnum) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doReadv(stream, iov, iovcnt); + HEAPU32[((pnum) >> 2)] = num; + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +} + +function _fd_seek(fd, offset, whence, newOffset) { + offset = bigintToI53Checked(offset); + try { + if (isNaN(offset)) return 61; + var stream = SYSCALLS.getStreamFromFD(fd); + FS.llseek(stream, offset, whence); + HEAP64[((newOffset) >> 3)] = BigInt(stream.position); + if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; + // reset readdir state + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +} + +var _fd_sync = function(fd) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + return Asyncify.handleSleep(wakeUp => { + var mount = stream.node.mount; + if (!mount.type.syncfs) { + // We write directly to the file system, so there's nothing to do here. + wakeUp(0); + return; + } + mount.type.syncfs(mount, false, err => { + if (err) { + wakeUp(29); + return; + } + wakeUp(0); + }); + }); + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +}; + +_fd_sync.isAsync = true; + +/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov) >> 2)]; + var len = HEAPU32[(((iov) + (4)) >> 2)]; + iov += 8; + var curr = FS.write(stream, HEAP8, ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + if (curr < len) { + // No more space to write. + break; + } + if (typeof offset != "undefined") { + offset += curr; + } + } + return ret; +}; + +function _fd_write(fd, iov, iovcnt, pnum) { + try { + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doWritev(stream, iov, iovcnt); + HEAPU32[((pnum) >> 2)] = num; + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; + return e.errno; + } +} + +var _getaddrinfo = (node, service, hint, out) => { + var addr = 0; + var port = 0; + var flags = 0; + var family = 0; + var type = 0; + var proto = 0; + var ai; + function allocaddrinfo(family, type, proto, canon, addr, port) { + var sa, salen, ai; + var errno; + salen = family === 10 ? 28 : 16; + addr = family === 10 ? inetNtop6(addr) : inetNtop4(addr); + sa = _malloc(salen); + errno = writeSockaddr(sa, family, addr, port); + assert(!errno); + ai = _malloc(32); + HEAP32[(((ai) + (4)) >> 2)] = family; + HEAP32[(((ai) + (8)) >> 2)] = type; + HEAP32[(((ai) + (12)) >> 2)] = proto; + HEAPU32[(((ai) + (24)) >> 2)] = canon; + HEAPU32[(((ai) + (20)) >> 2)] = sa; + if (family === 10) { + HEAP32[(((ai) + (16)) >> 2)] = 28; + } else { + HEAP32[(((ai) + (16)) >> 2)] = 16; + } + HEAP32[(((ai) + (28)) >> 2)] = 0; + return ai; + } + if (hint) { + flags = HEAP32[((hint) >> 2)]; + family = HEAP32[(((hint) + (4)) >> 2)]; + type = HEAP32[(((hint) + (8)) >> 2)]; + proto = HEAP32[(((hint) + (12)) >> 2)]; + } + if (type && !proto) { + proto = type === 2 ? 17 : 6; + } + if (!type && proto) { + type = proto === 17 ? 2 : 1; + } + // If type or proto are set to zero in hints we should really be returning multiple addrinfo values, but for + // now default to a TCP STREAM socket so we can at least return a sensible addrinfo given NULL hints. + if (proto === 0) { + proto = 6; + } + if (type === 0) { + type = 1; + } + if (!node && !service) { + return -2; + } + if (flags & ~(1 | 2 | 4 | 1024 | 8 | 16 | 32)) { + return -1; + } + if (hint !== 0 && (HEAP32[((hint) >> 2)] & 2) && !node) { + return -1; + } + if (flags & 32) { + // TODO + return -2; + } + if (type !== 0 && type !== 1 && type !== 2) { + return -7; + } + if (family !== 0 && family !== 2 && family !== 10) { + return -6; + } + if (service) { + service = UTF8ToString(service); + port = parseInt(service, 10); + if (isNaN(port)) { + if (flags & 1024) { + return -2; + } + // TODO support resolving well-known service names from: + // http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt + return -8; + } + } + if (!node) { + if (family === 0) { + family = 2; + } + if ((flags & 1) === 0) { + if (family === 2) { + addr = _htonl(2130706433); + } else { + addr = [ 0, 0, 0, _htonl(1) ]; + } + } + ai = allocaddrinfo(family, type, proto, null, addr, port); + HEAPU32[((out) >> 2)] = ai; + return 0; + } + // try as a numeric address + node = UTF8ToString(node); + addr = inetPton4(node); + if (addr !== null) { + // incoming node is a valid ipv4 address + if (family === 0 || family === 2) { + family = 2; + } else if (family === 10 && (flags & 8)) { + addr = [ 0, 0, _htonl(65535), addr ]; + family = 10; + } else { + return -2; + } + } else { + addr = inetPton6(node); + if (addr !== null) { + // incoming node is a valid ipv6 address + if (family === 0 || family === 10) { + family = 10; + } else { + return -2; + } + } + } + if (addr != null) { + ai = allocaddrinfo(family, type, proto, node, addr, port); + HEAPU32[((out) >> 2)] = ai; + return 0; + } + if (flags & 4) { + return -2; + } + // try as a hostname + // resolve the hostname to a temporary fake address + node = DNS.lookup_name(node); + addr = inetPton4(node); + if (family === 0) { + family = 2; + } else if (family === 10) { + addr = [ 0, 0, _htonl(65535), addr ]; + } + ai = allocaddrinfo(family, type, proto, null, addr, port); + HEAPU32[((out) >> 2)] = ai; + return 0; +}; + +var _getcontext = () => abort("missing function: ${name}"); + +var _getdtablesize = () => abort("missing function: ${name}"); + +var _getnameinfo = (sa, salen, node, nodelen, serv, servlen, flags) => { + var info = readSockaddr(sa, salen); + if (info.errno) { + return -6; + } + var port = info.port; + var addr = info.addr; + var overflowed = false; + if (node && nodelen) { + var lookup; + if ((flags & 1) || !(lookup = DNS.lookup_addr(addr))) { + if (flags & 8) { + return -2; + } + } else { + addr = lookup; + } + var numBytesWrittenExclNull = stringToUTF8(addr, node, nodelen); + if (numBytesWrittenExclNull + 1 >= nodelen) { + overflowed = true; + } + } + if (serv && servlen) { + port = "" + port; + var numBytesWrittenExclNull = stringToUTF8(port, serv, servlen); + if (numBytesWrittenExclNull + 1 >= servlen) { + overflowed = true; + } + } + if (overflowed) { + // Note: even when we overflow, getnameinfo() is specced to write out the truncated results. + return -12; + } + return 0; +}; + +var Protocols = { + list: [], + map: {} +}; + +var _setprotoent = stayopen => { + // void setprotoent(int stayopen); + // Allocate and populate a protoent structure given a name, protocol number and array of aliases + function allocprotoent(name, proto, aliases) { + // write name into buffer + var nameBuf = _malloc(name.length + 1); + stringToAscii(name, nameBuf); + // write aliases into buffer + var j = 0; + var length = aliases.length; + var aliasListBuf = _malloc((length + 1) * 4); + // Use length + 1 so we have space for the terminating NULL ptr. + for (var i = 0; i < length; i++, j += 4) { + var alias = aliases[i]; + var aliasBuf = _malloc(alias.length + 1); + stringToAscii(alias, aliasBuf); + HEAPU32[(((aliasListBuf) + (j)) >> 2)] = aliasBuf; + } + HEAPU32[(((aliasListBuf) + (j)) >> 2)] = 0; + // Terminating NULL pointer. + // generate protoent + var pe = _malloc(12); + HEAPU32[((pe) >> 2)] = nameBuf; + HEAPU32[(((pe) + (4)) >> 2)] = aliasListBuf; + HEAP32[(((pe) + (8)) >> 2)] = proto; + return pe; + } + // Populate the protocol 'database'. The entries are limited to tcp and udp, though it is fairly trivial + // to add extra entries from /etc/protocols if desired - though not sure if that'd actually be useful. + var list = Protocols.list; + var map = Protocols.map; + if (list.length === 0) { + var entry = allocprotoent("tcp", 6, [ "TCP" ]); + list.push(entry); + map["tcp"] = map["6"] = entry; + entry = allocprotoent("udp", 17, [ "UDP" ]); + list.push(entry); + map["udp"] = map["17"] = entry; + } + _setprotoent.index = 0; +}; + +var _getprotobyname = name => { + // struct protoent *getprotobyname(const char *); + name = UTF8ToString(name); + _setprotoent(true); + var result = Protocols.map[name]; + return result; +}; + +var _getprotobynumber = number => { + // struct protoent *getprotobynumber(int proto); + _setprotoent(true); + var result = Protocols.map[number]; + return result; +}; + +var stackAlloc = sz => __emscripten_stack_alloc(sz); + +/** @suppress {duplicate } */ var stringToUTF8OnStack = str => { + var size = lengthBytesUTF8(str) + 1; + var ret = stackAlloc(size); + stringToUTF8(str, ret, size); + return ret; +}; + +var allocateUTF8OnStack = stringToUTF8OnStack; + +var PHPWASM = { + init: function() { + // The /internal directory is required by the C module. It's where the + // stdout, stderr, and headers information are written for the JavaScript + // code to read later on. + FS.mkdir("/internal"); + // The files from the shared directory are shared between all the + // PHP processes managed by PHPProcessManager. + FS.mkdir("/internal/shared"); + // The files from the preload directory are preloaded using the + // auto_prepend_file php.ini directive. + FS.mkdir("/internal/shared/preload"); + // Create stdout and stderr devices. We can't just use Emscripten's + // default stdout and stderr devices because they stop processing data + // on the first null byte. However, when dealing with binary data, + // null bytes are valid and common. + FS.registerDevice(FS.makedev(64, 0), { + open: () => {}, + close: () => {}, + read: () => 0, + write: (stream, buffer, offset, length, pos) => { + const chunk = buffer.subarray(offset, offset + length); + PHPWASM.onStdout(chunk); + return length; + } + }); + FS.mkdev("/internal/stdout", FS.makedev(64, 0)); + FS.registerDevice(FS.makedev(63, 0), { + open: () => {}, + close: () => {}, + read: () => 0, + write: (stream, buffer, offset, length, pos) => { + const chunk = buffer.subarray(offset, offset + length); + PHPWASM.onStderr(chunk); + return length; + } + }); + FS.mkdev("/internal/stderr", FS.makedev(63, 0)); + FS.registerDevice(FS.makedev(62, 0), { + open: () => {}, + close: () => {}, + read: () => 0, + write: (stream, buffer, offset, length, pos) => { + const chunk = buffer.subarray(offset, offset + length); + PHPWASM.onHeaders(chunk); + return length; + } + }); + FS.mkdev("/internal/headers", FS.makedev(62, 0)); + // Handle events. + PHPWASM.EventEmitter = ENVIRONMENT_IS_NODE ? require("events").EventEmitter : class EventEmitter { + constructor() { + this.listeners = {}; + } + emit(eventName, data) { + if (this.listeners[eventName]) { + this.listeners[eventName].forEach(callback => { + callback(data); + }); + } + } + once(eventName, callback) { + const self = this; + function removedCallback() { + callback(...arguments); + self.removeListener(eventName, removedCallback); + } + this.on(eventName, removedCallback); + } + removeAllListeners(eventName) { + if (eventName) { + delete this.listeners[eventName]; + } else { + this.listeners = {}; + } + } + removeListener(eventName, callback) { + if (this.listeners[eventName]) { + const idx = this.listeners[eventName].indexOf(callback); + if (idx !== -1) { + this.listeners[eventName].splice(idx, 1); + } + } + } + }; + PHPWASM.child_proc_by_fd = {}; + PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function(stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function(tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; + }, + onHeaders: function(chunk) { + if (Module["onHeaders"]) { + Module["onHeaders"](chunk); + return; + } + console.log("headers", { + chunk + }); + }, + onStdout: function(chunk) { + if (Module["onStdout"]) { + Module["onStdout"](chunk); + return; + } + if (ENVIRONMENT_IS_NODE) { + process.stdout.write(chunk); + } else { + console.log("stdout", { + chunk + }); + } + }, + onStderr: function(chunk) { + if (Module["onStderr"]) { + Module["onStderr"](chunk); + return; + } + if (ENVIRONMENT_IS_NODE) { + process.stderr.write(chunk); + } else { + console.warn("stderr", { + chunk + }); + } + }, + getAllWebSockets: function(sock) { + const webSockets = new Set; + if (sock.server) { + sock.server.clients.forEach(ws => { + webSockets.add(ws); + }); + } + for (const peer of PHPWASM.getAllPeers(sock)) { + webSockets.add(peer.socket); + } + return Array.from(webSockets); + }, + getAllPeers: function(sock) { + const peers = new Set; + if (sock.server) { + sock.pending.filter(pending => pending.peers).forEach(pending => { + for (const peer of Object.values(pending.peers)) { + peers.add(peer); + } + }); + } + if (sock.peers) { + for (const peer of Object.values(sock.peers)) { + peers.add(peer); + } + } + return Array.from(peers); + }, + awaitData: function(ws) { + return PHPWASM.awaitEvent(ws, "message"); + }, + awaitConnection: function(ws) { + if (ws.OPEN === ws.readyState) { + return [ Promise.resolve(), PHPWASM.noop ]; + } + return PHPWASM.awaitEvent(ws, "open"); + }, + awaitClose: function(ws) { + if ([ ws.CLOSING, ws.CLOSED ].includes(ws.readyState)) { + return [ Promise.resolve(), PHPWASM.noop ]; + } + return PHPWASM.awaitEvent(ws, "close"); + }, + awaitError: function(ws) { + if ([ ws.CLOSING, ws.CLOSED ].includes(ws.readyState)) { + return [ Promise.resolve(), PHPWASM.noop ]; + } + return PHPWASM.awaitEvent(ws, "error"); + }, + awaitEvent: function(ws, event) { + let resolve; + const listener = () => { + resolve(); + }; + const promise = new Promise(function(_resolve) { + resolve = _resolve; + ws.once(event, listener); + }); + const cancel = () => { + ws.removeListener(event, listener); + // Rejecting the promises bubbles up and kills the entire + // node process. Let's resolve them on the next tick instead + // to give the caller some space to unbind any handlers. + setTimeout(resolve); + }; + return [ promise, cancel ]; + }, + noop: function() {}, + spawnProcess: function(command, args, options) { + if (Module["spawnProcess"]) { + const spawnedPromise = Module["spawnProcess"](command, args, options); + return Promise.resolve(spawnedPromise).then(function(spawned) { + if (!spawned || !spawned.on) { + throw new Error("spawnProcess() must return an EventEmitter but returned a different type."); + } + return spawned; + }); + } + if (ENVIRONMENT_IS_NODE) { + return require("child_process").spawn(command, args, { + ...options, + shell: true, + stdio: [ "pipe", "pipe", "pipe" ], + timeout: 100 + }); + } + const e = new Error("popen(), proc_open() etc. are unsupported in the browser. Call php.setSpawnHandler() " + "and provide a callback to handle spawning processes, or disable a popen(), proc_open() " + "and similar functions via php.ini."); + e.code = "SPAWN_UNSUPPORTED"; + throw e; + }, + shutdownSocket: function(socketd, how) { + // This implementation only supports websockets at the moment + const sock = getSocketFromFD(socketd); + const peer = Object.values(sock.peers)[0]; + if (!peer) { + return -1; + } + try { + peer.socket.close(); + SOCKFS.websocket_sock_ops.removePeer(sock, peer); + return 0; + } catch (e) { + console.log("Socket shutdown error", e); + return -1; + } + } +}; + +function _js_create_input_device(deviceId) { + let dataBuffer = []; + let dataCallback; + const filename = "proc_id_" + deviceId; + const device = FS.createDevice("/dev", filename, function() {}, function(byte) { + try { + dataBuffer.push(byte); + if (dataCallback) { + dataCallback(new Uint8Array(dataBuffer)); + dataBuffer = []; + } + } catch (e) { + console.error(e); + throw e; + } + }); + const devicePath = "/dev/" + filename; + PHPWASM.input_devices[deviceId] = { + devicePath, + onData: function(cb) { + dataCallback = cb; + dataBuffer.forEach(function(data) { + cb(data); + }); + dataBuffer.length = 0; + } + }; + return allocateUTF8OnStack(devicePath); +} + + function _js_open_process( + command, + argsPtr, + argsLength, + descriptorsPtr, + descriptorsLength, + cwdPtr, + cwdLength, + envPtr, + envLength + ) { + if (!command) { + return 1; + } + const cmdstr = UTF8ToString(command); + if (!cmdstr.length) { + return 0; + } + let argsArray = []; + if (argsLength) { + for (var i = 0; i < argsLength; i++) { + const charPointer = argsPtr + i * 4; + argsArray.push(UTF8ToString(HEAPU32[charPointer >> 2])); + } + } + const cwdstr = cwdPtr ? UTF8ToString(cwdPtr) : FS.cwd(); + let envObject = null; + if (envLength) { + envObject = {}; + for (var i = 0; i < envLength; i++) { + const envPointer = envPtr + i * 4; + const envEntry = UTF8ToString(HEAPU32[envPointer >> 2]); + const splitAt = envEntry.indexOf('='); + if (splitAt === -1) { + continue; + } + const key = envEntry.substring(0, splitAt); + const value = envEntry.substring(splitAt + 1); + envObject[key] = value; + } + } + var std = {}; + // Extracts an array of available descriptors that should be dispatched to streams. + // On the C side, the descriptors are expressed as `**int` so we must go read + // each of the `descriptorsLength` `*int` pointers and convert the associated data into + // a JavaScript object { descriptor : { child : fd, parent : fd } }. + for (var i = 0; i < descriptorsLength; i++) { + const descriptorPtr = HEAPU32[(descriptorsPtr + i * 4) >> 2]; + std[HEAPU32[descriptorPtr >> 2]] = { + child: HEAPU32[(descriptorPtr + 4) >> 2], + parent: HEAPU32[(descriptorPtr + 8) >> 2], + }; + } + return Asyncify.handleSleep(async (wakeUp) => { + let cp; + try { + const options = {}; + if (cwdstr !== null) { + options.cwd = cwdstr; + } + if (envObject !== null) { + options.env = envObject; + } + cp = PHPWASM.spawnProcess(cmdstr, argsArray, options); + if (cp instanceof Promise) { + cp = await cp; + } + } catch (e) { + if (e.code === 'SPAWN_UNSUPPORTED') { + wakeUp(1); + return; + } + console.error(e); + wakeUp(1); + throw e; + } + const ProcInfo = { + pid: cp.pid, + exited: false, + stdinFd: std[0]?.child, + stdinIsDevice: std[0]?.child in PHPWASM.input_devices, + stdoutChildFd: std[1]?.child, + stdoutParentFd: std[1]?.parent, + stderrChildFd: std[2]?.child, + stderrParentFd: std[2]?.parent, + stdout: new PHPWASM.EventEmitter(), + stderr: new PHPWASM.EventEmitter(), + }; + if (ProcInfo.stdoutChildFd) + PHPWASM.child_proc_by_fd[ProcInfo.stdoutChildFd] = ProcInfo; + if (ProcInfo.stderrChildFd) + PHPWASM.child_proc_by_fd[ProcInfo.stderrChildFd] = ProcInfo; + if (ProcInfo.stdoutParentFd) + PHPWASM.child_proc_by_fd[ProcInfo.stdoutParentFd] = ProcInfo; + if (ProcInfo.stderrParentFd) + PHPWASM.child_proc_by_fd[ProcInfo.stderrParentFd] = ProcInfo; + PHPWASM.child_proc_by_pid[ProcInfo.pid] = ProcInfo; + cp.on('exit', function (code) { + ProcInfo.exitCode = code; + ProcInfo.exited = true; + // Emit events for the wasm_poll_socket function. + ProcInfo.stdout.emit('data'); + ProcInfo.stderr.emit('data'); + }); + // Pass data from child process's stdout to PHP's end of the stdout pipe. + if (ProcInfo.stdoutChildFd) { + const stdoutStream = SYSCALLS.getStreamFromFD( + ProcInfo.stdoutChildFd + ); + let stdoutAt = 0; + cp.stdout.on('data', function (data) { + ProcInfo.stdout.emit('data', data); + stdoutStream.stream_ops.write( + stdoutStream, + data, + 0, + data.length, + stdoutAt + ); + stdoutAt += data.length; + }); + } + // Pass data from child process's stderr to PHP's end of the stdout pipe. + if (ProcInfo.stderrChildFd) { + const stderrStream = SYSCALLS.getStreamFromFD( + ProcInfo.stderrChildFd + ); + let stderrAt = 0; + cp.stderr.on('data', function (data) { + ProcInfo.stderr.emit('data', data); + stderrStream.stream_ops.write( + stderrStream, + data, + 0, + data.length, + stderrAt + ); + stderrAt += data.length; + }); + } + /** + * Wait until the child process has been spawned. + * Unfortunately there is no Node.js API to check whether + * the process has already been spawned. We can only listen + * to the 'spawn' event and if it has already been spawned, + * listen to the 'exit' event. + */ try { + await new Promise((resolve, reject) => { + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5e3); + }); + } catch (e) { + console.error(e); + wakeUp(ProcInfo.pid); + return; + } + // Now we want to pass data from the STDIN source supplied by PHP + // to the child process. + // PHP will write STDIN data to a device. + if (ProcInfo.stdinIsDevice) { + // We use Emscripten devices as pipes. This is a bit of a hack + // but it works as we get a callback when the device is written to. + // Let's listen to anything it outputs and pass it to the child process. + PHPWASM.input_devices[ProcInfo.stdinFd].onData(function (data) { + if (!data) return; + if (typeof data === 'number') { + data = new Uint8Array([data]); + } + const dataStr = new TextDecoder('utf-8').decode(data); + cp.stdin.write(dataStr); + }); + wakeUp(ProcInfo.pid); + return; + } + if (ProcInfo.stdinFd) { + // PHP will write STDIN data to a file descriptor. + const stdinStream = SYSCALLS.getStreamFromFD(ProcInfo.stdinFd); + if (stdinStream.node) { + // Pipe the entire stdinStream to cp.stdin + const CHUNK_SIZE = 1024; + const buffer = new Uint8Array(CHUNK_SIZE); + let offset = 0; + while (true) { + const bytesRead = stdinStream.stream_ops.read( + stdinStream, + buffer, + 0, + CHUNK_SIZE, + offset + ); + if (bytesRead === null || bytesRead === 0) { + break; + } + try { + cp.stdin.write(buffer.subarray(0, bytesRead)); + } catch (e) { + console.error(e); + return 1; + } + if (bytesRead < CHUNK_SIZE) { + break; + } + offset += bytesRead; + } + wakeUp(ProcInfo.pid); + return; + } + } + wakeUp(ProcInfo.pid); + }); + } + +function _js_process_status(pid, exitCodePtr) { + if (!PHPWASM.child_proc_by_pid[pid]) { + return -1; + } + if (PHPWASM.child_proc_by_pid[pid].exited) { + HEAPU32[exitCodePtr >> 2] = PHPWASM.child_proc_by_pid[pid].exitCode; + return 1; + } + return 0; +} + +function _js_waitpid(pid, exitCodePtr) { + if (!PHPWASM.child_proc_by_pid[pid]) { + return -1; + } + return Asyncify.handleSleep(wakeUp => { + const poll = function() { + if (PHPWASM.child_proc_by_pid[pid]?.exited) { + HEAPU32[exitCodePtr >> 2] = PHPWASM.child_proc_by_pid[pid].exitCode; + wakeUp(pid); + } else { + setTimeout(poll, 50); + } + }; + poll(); + }); +} - var _makecontext = () => abort('missing function: ${name}'); - - var arraySum = (array, index) => { - var sum = 0; - for (var i = 0; i <= index; sum += array[i++]) {} - return sum; - }; - - var MONTH_DAYS_LEAP = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; - - var MONTH_DAYS_REGULAR = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; - - var addDays = (date, days) => { - var newDate = new Date(date.getTime()); - while (days > 0) { - var leap = isLeapYear(newDate.getFullYear()); - var currentMonth = newDate.getMonth(); - var daysInCurrentMonth = ( - leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR - )[currentMonth]; - if (days > daysInCurrentMonth - newDate.getDate()) { - // we spill over to next month - days -= daysInCurrentMonth - newDate.getDate() + 1; - newDate.setDate(1); - if (currentMonth < 11) { - newDate.setMonth(currentMonth + 1); - } else { - newDate.setMonth(0); - newDate.setFullYear(newDate.getFullYear() + 1); - } - } else { - // we stay in current month - newDate.setDate(newDate.getDate() + days); - return newDate; - } - } - return newDate; - }; - - var _strptime = (buf, format, tm) => { - // char *strptime(const char *restrict buf, const char *restrict format, struct tm *restrict tm); - // http://pubs.opengroup.org/onlinepubs/009695399/functions/strptime.html - var pattern = UTF8ToString(format); - // escape special characters - // TODO: not sure we really need to escape all of these in JS regexps - var SPECIAL_CHARS = '\\!@#$^&*()+=-[]/{}|:<>?,.'; - for (var i = 0, ii = SPECIAL_CHARS.length; i < ii; ++i) { - pattern = pattern.replace( - new RegExp('\\' + SPECIAL_CHARS[i], 'g'), - '\\' + SPECIAL_CHARS[i] - ); - } - // reduce number of matchers - var EQUIVALENT_MATCHERS = { - A: '%a', - B: '%b', - c: '%a %b %d %H:%M:%S %Y', - D: '%m\\/%d\\/%y', - e: '%d', - F: '%Y-%m-%d', - h: '%b', - R: '%H\\:%M', - r: '%I\\:%M\\:%S\\s%p', - T: '%H\\:%M\\:%S', - x: '%m\\/%d\\/(?:%y|%Y)', - X: '%H\\:%M\\:%S', - }; - // TODO: take care of locale - var DATE_PATTERNS = { - /* weekday name */ a: '(?:Sun(?:day)?)|(?:Mon(?:day)?)|(?:Tue(?:sday)?)|(?:Wed(?:nesday)?)|(?:Thu(?:rsday)?)|(?:Fri(?:day)?)|(?:Sat(?:urday)?)', - /* month name */ b: '(?:Jan(?:uary)?)|(?:Feb(?:ruary)?)|(?:Mar(?:ch)?)|(?:Apr(?:il)?)|May|(?:Jun(?:e)?)|(?:Jul(?:y)?)|(?:Aug(?:ust)?)|(?:Sep(?:tember)?)|(?:Oct(?:ober)?)|(?:Nov(?:ember)?)|(?:Dec(?:ember)?)', - /* century */ C: '\\d\\d', - /* day of month */ d: '0[1-9]|[1-9](?!\\d)|1\\d|2\\d|30|31', - /* hour (24hr) */ H: '\\d(?!\\d)|[0,1]\\d|20|21|22|23', - /* hour (12hr) */ I: '\\d(?!\\d)|0\\d|10|11|12', - /* day of year */ j: '00[1-9]|0?[1-9](?!\\d)|0?[1-9]\\d(?!\\d)|[1,2]\\d\\d|3[0-6]\\d', - /* month */ m: '0[1-9]|[1-9](?!\\d)|10|11|12', - /* minutes */ M: '0\\d|\\d(?!\\d)|[1-5]\\d', - /* whitespace */ n: ' ', - /* AM/PM */ p: 'AM|am|PM|pm|A\\.M\\.|a\\.m\\.|P\\.M\\.|p\\.m\\.', - /* seconds */ S: '0\\d|\\d(?!\\d)|[1-5]\\d|60', - /* week number */ U: '0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53', - /* week number */ W: '0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53', - /* weekday number */ w: '[0-6]', - /* 2-digit year */ y: '\\d\\d', - /* 4-digit year */ Y: '\\d\\d\\d\\d', - /* whitespace */ t: ' ', - /* time zone */ z: 'Z|(?:[\\+\\-]\\d\\d:?(?:\\d\\d)?)', - }; - var MONTH_NUMBERS = { - JAN: 0, - FEB: 1, - MAR: 2, - APR: 3, - MAY: 4, - JUN: 5, - JUL: 6, - AUG: 7, - SEP: 8, - OCT: 9, - NOV: 10, - DEC: 11, - }; - var DAY_NUMBERS_SUN_FIRST = { - SUN: 0, - MON: 1, - TUE: 2, - WED: 3, - THU: 4, - FRI: 5, - SAT: 6, - }; - var DAY_NUMBERS_MON_FIRST = { - MON: 0, - TUE: 1, - WED: 2, - THU: 3, - FRI: 4, - SAT: 5, - SUN: 6, - }; - var capture = []; - var pattern_out = pattern - .replace(/%(.)/g, (m, c) => EQUIVALENT_MATCHERS[c] || m) - .replace(/%(.)/g, (_, c) => { - let pat = DATE_PATTERNS[c]; - if (pat) { - capture.push(c); - return `(${pat})`; - } else { - return c; - } - }) - .replace( - // any number of space or tab characters match zero or more spaces - /\s+/g, - '\\s*' - ); - var matches = new RegExp('^' + pattern_out, 'i').exec( - UTF8ToString(buf) - ); - function initDate() { - function fixup(value, min, max) { - return typeof value != 'number' || isNaN(value) - ? min - : value >= min - ? value <= max - ? value - : max - : min; - } - return { - year: fixup(HEAP32[(tm + 20) >> 2] + 1900, 1970, 9999), - month: fixup(HEAP32[(tm + 16) >> 2], 0, 11), - day: fixup(HEAP32[(tm + 12) >> 2], 1, 31), - hour: fixup(HEAP32[(tm + 8) >> 2], 0, 23), - min: fixup(HEAP32[(tm + 4) >> 2], 0, 59), - sec: fixup(HEAP32[tm >> 2], 0, 59), - gmtoff: 0, - }; - } - if (matches) { - var date = initDate(); - var value; - var getMatch = (symbol) => { - var pos = capture.indexOf(symbol); - // check if symbol appears in regexp - if (pos >= 0) { - // return matched value or null (falsy!) for non-matches - return matches[pos + 1]; - } - return; - }; - // seconds - if ((value = getMatch('S'))) { - date.sec = Number(value); - } - // minutes - if ((value = getMatch('M'))) { - date.min = Number(value); - } - // hours - if ((value = getMatch('H'))) { - // 24h clock - date.hour = Number(value); - } else if ((value = getMatch('I'))) { - // AM/PM clock - var hour = Number(value); - if ((value = getMatch('p'))) { - hour += value.toUpperCase()[0] === 'P' ? 12 : 0; - } - date.hour = hour; - } - // year - if ((value = getMatch('Y'))) { - // parse from four-digit year - date.year = Number(value); - } else if ((value = getMatch('y'))) { - // parse from two-digit year... - var year = Number(value); - if ((value = getMatch('C'))) { - // ...and century - year += Number(value) * 100; - } else { - // ...and rule-of-thumb - year += year < 69 ? 2e3 : 1900; - } - date.year = year; - } - // month - if ((value = getMatch('m'))) { - // parse from month number - date.month = Number(value) - 1; - } else if ((value = getMatch('b'))) { - // parse from month name - date.month = - MONTH_NUMBERS[value.substring(0, 3).toUpperCase()] || 0; - } - // day - if ((value = getMatch('d'))) { - // get day of month directly - date.day = Number(value); - } else if ((value = getMatch('j'))) { - // get day of month from day of year ... - var day = Number(value); - var leapYear = isLeapYear(date.year); - for (var month = 0; month < 12; ++month) { - var daysUntilMonth = arraySum( - leapYear ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, - month - 1 - ); - if ( - day <= - daysUntilMonth + - (leapYear ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[ - month - ] - ) { - date.day = day - daysUntilMonth; - } - } - } else if ((value = getMatch('a'))) { - // get day of month from weekday ... - var weekDay = value.substring(0, 3).toUpperCase(); - if ((value = getMatch('U'))) { - // ... and week number (Sunday being first day of week) - // Week number of the year (Sunday as the first day of the week) as a decimal number [00,53]. - // All days in a new year preceding the first Sunday are considered to be in week 0. - var weekDayNumber = DAY_NUMBERS_SUN_FIRST[weekDay]; - var weekNumber = Number(value); - // January 1st - var janFirst = new Date(date.year, 0, 1); - var endDate; - if (janFirst.getDay() === 0) { - // Jan 1st is a Sunday, and, hence in the 1st CW - endDate = addDays( - janFirst, - weekDayNumber + 7 * (weekNumber - 1) - ); - } else { - // Jan 1st is not a Sunday, and, hence still in the 0th CW - endDate = addDays( - janFirst, - 7 - - janFirst.getDay() + - weekDayNumber + - 7 * (weekNumber - 1) - ); - } - date.day = endDate.getDate(); - date.month = endDate.getMonth(); - } else if ((value = getMatch('W'))) { - // ... and week number (Monday being first day of week) - // Week number of the year (Monday as the first day of the week) as a decimal number [00,53]. - // All days in a new year preceding the first Monday are considered to be in week 0. - var weekDayNumber = DAY_NUMBERS_MON_FIRST[weekDay]; - var weekNumber = Number(value); - // January 1st - var janFirst = new Date(date.year, 0, 1); - var endDate; - if (janFirst.getDay() === 1) { - // Jan 1st is a Monday, and, hence in the 1st CW - endDate = addDays( - janFirst, - weekDayNumber + 7 * (weekNumber - 1) - ); - } else { - // Jan 1st is not a Monday, and, hence still in the 0th CW - endDate = addDays( - janFirst, - 7 - - janFirst.getDay() + - 1 + - weekDayNumber + - 7 * (weekNumber - 1) - ); - } - date.day = endDate.getDate(); - date.month = endDate.getMonth(); - } - } - // time zone - if ((value = getMatch('z'))) { - // GMT offset as either 'Z' or +-HH:MM or +-HH or +-HHMM - if (value.toLowerCase() === 'z') { - date.gmtoff = 0; - } else { - var match = value.match(/^((?:\-|\+)\d\d):?(\d\d)?/); - date.gmtoff = match[1] * 3600; - if (match[2]) { - date.gmtoff += - date.gmtoff > 0 ? match[2] * 60 : -match[2] * 60; - } - } - } - /* +var _makecontext = () => abort("missing function: ${name}"); + +var arraySum = (array, index) => { + var sum = 0; + for (var i = 0; i <= index; sum += array[i++]) {} + return sum; +}; + +var MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ]; + +var MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ]; + +var addDays = (date, days) => { + var newDate = new Date(date.getTime()); + while (days > 0) { + var leap = isLeapYear(newDate.getFullYear()); + var currentMonth = newDate.getMonth(); + var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth]; + if (days > daysInCurrentMonth - newDate.getDate()) { + // we spill over to next month + days -= (daysInCurrentMonth - newDate.getDate() + 1); + newDate.setDate(1); + if (currentMonth < 11) { + newDate.setMonth(currentMonth + 1); + } else { + newDate.setMonth(0); + newDate.setFullYear(newDate.getFullYear() + 1); + } + } else { + // we stay in current month + newDate.setDate(newDate.getDate() + days); + return newDate; + } + } + return newDate; +}; + +var _strptime = (buf, format, tm) => { + // char *strptime(const char *restrict buf, const char *restrict format, struct tm *restrict tm); + // http://pubs.opengroup.org/onlinepubs/009695399/functions/strptime.html + var pattern = UTF8ToString(format); + // escape special characters + // TODO: not sure we really need to escape all of these in JS regexps + var SPECIAL_CHARS = "\\!@#$^&*()+=-[]/{}|:<>?,."; + for (var i = 0, ii = SPECIAL_CHARS.length; i < ii; ++i) { + pattern = pattern.replace(new RegExp("\\" + SPECIAL_CHARS[i], "g"), "\\" + SPECIAL_CHARS[i]); + } + // reduce number of matchers + var EQUIVALENT_MATCHERS = { + "A": "%a", + "B": "%b", + "c": "%a %b %d %H:%M:%S %Y", + "D": "%m\\/%d\\/%y", + "e": "%d", + "F": "%Y-%m-%d", + "h": "%b", + "R": "%H\\:%M", + "r": "%I\\:%M\\:%S\\s%p", + "T": "%H\\:%M\\:%S", + "x": "%m\\/%d\\/(?:%y|%Y)", + "X": "%H\\:%M\\:%S" + }; + // TODO: take care of locale + var DATE_PATTERNS = { + /* weekday name */ "a": "(?:Sun(?:day)?)|(?:Mon(?:day)?)|(?:Tue(?:sday)?)|(?:Wed(?:nesday)?)|(?:Thu(?:rsday)?)|(?:Fri(?:day)?)|(?:Sat(?:urday)?)", + /* month name */ "b": "(?:Jan(?:uary)?)|(?:Feb(?:ruary)?)|(?:Mar(?:ch)?)|(?:Apr(?:il)?)|May|(?:Jun(?:e)?)|(?:Jul(?:y)?)|(?:Aug(?:ust)?)|(?:Sep(?:tember)?)|(?:Oct(?:ober)?)|(?:Nov(?:ember)?)|(?:Dec(?:ember)?)", + /* century */ "C": "\\d\\d", + /* day of month */ "d": "0[1-9]|[1-9](?!\\d)|1\\d|2\\d|30|31", + /* hour (24hr) */ "H": "\\d(?!\\d)|[0,1]\\d|20|21|22|23", + /* hour (12hr) */ "I": "\\d(?!\\d)|0\\d|10|11|12", + /* day of year */ "j": "00[1-9]|0?[1-9](?!\\d)|0?[1-9]\\d(?!\\d)|[1,2]\\d\\d|3[0-6]\\d", + /* month */ "m": "0[1-9]|[1-9](?!\\d)|10|11|12", + /* minutes */ "M": "0\\d|\\d(?!\\d)|[1-5]\\d", + /* whitespace */ "n": " ", + /* AM/PM */ "p": "AM|am|PM|pm|A\\.M\\.|a\\.m\\.|P\\.M\\.|p\\.m\\.", + /* seconds */ "S": "0\\d|\\d(?!\\d)|[1-5]\\d|60", + /* week number */ "U": "0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53", + /* week number */ "W": "0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53", + /* weekday number */ "w": "[0-6]", + /* 2-digit year */ "y": "\\d\\d", + /* 4-digit year */ "Y": "\\d\\d\\d\\d", + /* whitespace */ "t": " ", + /* time zone */ "z": "Z|(?:[\\+\\-]\\d\\d:?(?:\\d\\d)?)" + }; + var MONTH_NUMBERS = { + JAN: 0, + FEB: 1, + MAR: 2, + APR: 3, + MAY: 4, + JUN: 5, + JUL: 6, + AUG: 7, + SEP: 8, + OCT: 9, + NOV: 10, + DEC: 11 + }; + var DAY_NUMBERS_SUN_FIRST = { + SUN: 0, + MON: 1, + TUE: 2, + WED: 3, + THU: 4, + FRI: 5, + SAT: 6 + }; + var DAY_NUMBERS_MON_FIRST = { + MON: 0, + TUE: 1, + WED: 2, + THU: 3, + FRI: 4, + SAT: 5, + SUN: 6 + }; + var capture = []; + var pattern_out = pattern.replace(/%(.)/g, (m, c) => EQUIVALENT_MATCHERS[c] || m).replace(/%(.)/g, (_, c) => { + let pat = DATE_PATTERNS[c]; + if (pat) { + capture.push(c); + return `(${pat})`; + } else { + return c; + } + }).replace(// any number of space or tab characters match zero or more spaces + /\s+/g, "\\s*"); + var matches = new RegExp("^" + pattern_out, "i").exec(UTF8ToString(buf)); + function initDate() { + function fixup(value, min, max) { + return (typeof value != "number" || isNaN(value)) ? min : (value >= min ? (value <= max ? value : max) : min); + } + return { + year: fixup(HEAP32[(((tm) + (20)) >> 2)] + 1900, 1970, 9999), + month: fixup(HEAP32[(((tm) + (16)) >> 2)], 0, 11), + day: fixup(HEAP32[(((tm) + (12)) >> 2)], 1, 31), + hour: fixup(HEAP32[(((tm) + (8)) >> 2)], 0, 23), + min: fixup(HEAP32[(((tm) + (4)) >> 2)], 0, 59), + sec: fixup(HEAP32[((tm) >> 2)], 0, 59), + gmtoff: 0 + }; + } + if (matches) { + var date = initDate(); + var value; + var getMatch = symbol => { + var pos = capture.indexOf(symbol); + // check if symbol appears in regexp + if (pos >= 0) { + // return matched value or null (falsy!) for non-matches + return matches[pos + 1]; + } + return; + }; + // seconds + if ((value = getMatch("S"))) { + date.sec = Number(value); + } + // minutes + if ((value = getMatch("M"))) { + date.min = Number(value); + } + // hours + if ((value = getMatch("H"))) { + // 24h clock + date.hour = Number(value); + } else if ((value = getMatch("I"))) { + // AM/PM clock + var hour = Number(value); + if ((value = getMatch("p"))) { + hour += value.toUpperCase()[0] === "P" ? 12 : 0; + } + date.hour = hour; + } + // year + if ((value = getMatch("Y"))) { + // parse from four-digit year + date.year = Number(value); + } else if ((value = getMatch("y"))) { + // parse from two-digit year... + var year = Number(value); + if ((value = getMatch("C"))) { + // ...and century + year += Number(value) * 100; + } else { + // ...and rule-of-thumb + year += year < 69 ? 2e3 : 1900; + } + date.year = year; + } + // month + if ((value = getMatch("m"))) { + // parse from month number + date.month = Number(value) - 1; + } else if ((value = getMatch("b"))) { + // parse from month name + date.month = MONTH_NUMBERS[value.substring(0, 3).toUpperCase()] || 0; + } + // day + if ((value = getMatch("d"))) { + // get day of month directly + date.day = Number(value); + } else if ((value = getMatch("j"))) { + // get day of month from day of year ... + var day = Number(value); + var leapYear = isLeapYear(date.year); + for (var month = 0; month < 12; ++month) { + var daysUntilMonth = arraySum(leapYear ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, month - 1); + if (day <= daysUntilMonth + (leapYear ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[month]) { + date.day = day - daysUntilMonth; + } + } + } else if ((value = getMatch("a"))) { + // get day of month from weekday ... + var weekDay = value.substring(0, 3).toUpperCase(); + if ((value = getMatch("U"))) { + // ... and week number (Sunday being first day of week) + // Week number of the year (Sunday as the first day of the week) as a decimal number [00,53]. + // All days in a new year preceding the first Sunday are considered to be in week 0. + var weekDayNumber = DAY_NUMBERS_SUN_FIRST[weekDay]; + var weekNumber = Number(value); + // January 1st + var janFirst = new Date(date.year, 0, 1); + var endDate; + if (janFirst.getDay() === 0) { + // Jan 1st is a Sunday, and, hence in the 1st CW + endDate = addDays(janFirst, weekDayNumber + 7 * (weekNumber - 1)); + } else { + // Jan 1st is not a Sunday, and, hence still in the 0th CW + endDate = addDays(janFirst, 7 - janFirst.getDay() + weekDayNumber + 7 * (weekNumber - 1)); + } + date.day = endDate.getDate(); + date.month = endDate.getMonth(); + } else if ((value = getMatch("W"))) { + // ... and week number (Monday being first day of week) + // Week number of the year (Monday as the first day of the week) as a decimal number [00,53]. + // All days in a new year preceding the first Monday are considered to be in week 0. + var weekDayNumber = DAY_NUMBERS_MON_FIRST[weekDay]; + var weekNumber = Number(value); + // January 1st + var janFirst = new Date(date.year, 0, 1); + var endDate; + if (janFirst.getDay() === 1) { + // Jan 1st is a Monday, and, hence in the 1st CW + endDate = addDays(janFirst, weekDayNumber + 7 * (weekNumber - 1)); + } else { + // Jan 1st is not a Monday, and, hence still in the 0th CW + endDate = addDays(janFirst, 7 - janFirst.getDay() + 1 + weekDayNumber + 7 * (weekNumber - 1)); + } + date.day = endDate.getDate(); + date.month = endDate.getMonth(); + } + } + // time zone + if ((value = getMatch("z"))) { + // GMT offset as either 'Z' or +-HH:MM or +-HH or +-HHMM + if (value.toLowerCase() === "z") { + date.gmtoff = 0; + } else { + var match = value.match(/^((?:\-|\+)\d\d):?(\d\d)?/); + date.gmtoff = match[1] * 3600; + if (match[2]) { + date.gmtoff += date.gmtoff > 0 ? match[2] * 60 : -match[2] * 60; + } + } + } + /* tm_sec int seconds after the minute 0-61* tm_min int minutes after the hour 0-59 tm_hour int hours since midnight 0-23 @@ -7812,1666 +7220,1307 @@ export function init(RuntimeName, PHPLoader) { tm_yday int days since January 1 0-365 tm_isdst int Daylight Saving Time flag tm_gmtoff long offset from GMT (seconds) - */ var fullDate = new Date( - date.year, - date.month, - date.day, - date.hour, - date.min, - date.sec, - 0 - ); - HEAP32[tm >> 2] = fullDate.getSeconds(); - HEAP32[(tm + 4) >> 2] = fullDate.getMinutes(); - HEAP32[(tm + 8) >> 2] = fullDate.getHours(); - HEAP32[(tm + 12) >> 2] = fullDate.getDate(); - HEAP32[(tm + 16) >> 2] = fullDate.getMonth(); - HEAP32[(tm + 20) >> 2] = fullDate.getFullYear() - 1900; - HEAP32[(tm + 24) >> 2] = fullDate.getDay(); - HEAP32[(tm + 28) >> 2] = - arraySum( - isLeapYear(fullDate.getFullYear()) - ? MONTH_DAYS_LEAP - : MONTH_DAYS_REGULAR, - fullDate.getMonth() - 1 - ) + - fullDate.getDate() - - 1; - HEAP32[(tm + 32) >> 2] = 0; - HEAP32[(tm + 36) >> 2] = date.gmtoff; - // we need to convert the matched sequence into an integer array to take care of UTF-8 characters > 0x7F - // TODO: not sure that intArrayFromString handles all unicode characters correctly - return buf + intArrayFromString(matches[0]).length - 1; - } - return 0; - }; - - var _swapcontext = () => abort('missing function: ${name}'); - - function _wasm_close(socketd) { - return PHPWASM.shutdownSocket(socketd, 2); - } + */ var fullDate = new Date(date.year, date.month, date.day, date.hour, date.min, date.sec, 0); + HEAP32[((tm) >> 2)] = fullDate.getSeconds(); + HEAP32[(((tm) + (4)) >> 2)] = fullDate.getMinutes(); + HEAP32[(((tm) + (8)) >> 2)] = fullDate.getHours(); + HEAP32[(((tm) + (12)) >> 2)] = fullDate.getDate(); + HEAP32[(((tm) + (16)) >> 2)] = fullDate.getMonth(); + HEAP32[(((tm) + (20)) >> 2)] = fullDate.getFullYear() - 1900; + HEAP32[(((tm) + (24)) >> 2)] = fullDate.getDay(); + HEAP32[(((tm) + (28)) >> 2)] = arraySum(isLeapYear(fullDate.getFullYear()) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, fullDate.getMonth() - 1) + fullDate.getDate() - 1; + HEAP32[(((tm) + (32)) >> 2)] = 0; + HEAP32[(((tm) + (36)) >> 2)] = date.gmtoff; + // we need to convert the matched sequence into an integer array to take care of UTF-8 characters > 0x7F + // TODO: not sure that intArrayFromString handles all unicode characters correctly + return buf + intArrayFromString(matches[0]).length - 1; + } + return 0; +}; + +var _swapcontext = () => abort("missing function: ${name}"); + +function _wasm_close(socketd) { + return PHPWASM.shutdownSocket(socketd, 2); +} - function _wasm_setsockopt( - socketd, - level, - optionName, - optionValuePtr, - optionLen - ) { - const optionValue = HEAPU8[optionValuePtr]; - const SOL_SOCKET = 1; - const SO_KEEPALIVE = 9; - const IPPROTO_TCP = 6; - const TCP_NODELAY = 1; - const isSupported = - (level === SOL_SOCKET && optionName === SO_KEEPALIVE) || - (level === IPPROTO_TCP && optionName === TCP_NODELAY); - if (!isSupported) { - console.warn( - `Unsupported socket option: ${level}, ${optionName}, ${optionValue}` - ); - return -1; - } - const ws = PHPWASM.getAllWebSockets(socketd)[0]; - if (!ws) { - return -1; - } - ws.setSocketOpt(level, optionName, optionValuePtr); - return 0; - } +function _wasm_setsockopt(socketd, level, optionName, optionValuePtr, optionLen) { + const optionValue = HEAPU8[optionValuePtr]; + const SOL_SOCKET = 1; + const SO_KEEPALIVE = 9; + const IPPROTO_TCP = 6; + const TCP_NODELAY = 1; + const isSupported = (level === SOL_SOCKET && optionName === SO_KEEPALIVE) || (level === IPPROTO_TCP && optionName === TCP_NODELAY); + if (!isSupported) { + console.warn(`Unsupported socket option: ${level}, ${optionName}, ${optionValue}`); + return -1; + } + const ws = PHPWASM.getAllWebSockets(socketd)[0]; + if (!ws) { + return -1; + } + ws.setSocketOpt(level, optionName, optionValuePtr); + return 0; +} - function _wasm_shutdown(socketd, how) { - return PHPWASM.shutdownSocket(socketd, how); - } +function _wasm_shutdown(socketd, how) { + return PHPWASM.shutdownSocket(socketd, how); +} - /** @type {WebAssembly.Table} */ var wasmTable; - - var runAndAbortIfError = (func) => { - try { - return func(); - } catch (e) { - abort(e); - } - }; - - var Asyncify = { - instrumentWasmImports(imports) { - var importPattern = - /^(_dlopen_js|invoke_i|invoke_ii|invoke_iii|invoke_iiii|invoke_iiiii|invoke_iiiiii|invoke_iiiiiii|invoke_iiiiiiii|invoke_iiiiiiiiii|invoke_v|invoke_vi|invoke_vii|invoke_viidii|invoke_viii|invoke_viiii|invoke_viiiii|invoke_viiiiii|invoke_viiiiiii|invoke_viiiiiiiii|js_open_process|_js_open_process|_asyncjs__js_open_process|js_popen_to_file|_js_popen_to_file|_asyncjs__js_popen_to_file|js_fd_read|_js_fd_read|js_module_onMessage|_js_module_onMessage|_asyncjs__js_module_onMessage|js_waitpid|_js_waitpid|_asyncjs__js_waitpid|wasm_poll_socket|_wasm_poll_socket|_asyncjs__wasm_poll_socket|wasm_shutdown|_wasm_shutdown|_asyncjs__wasm_shutdown|__asyncjs__.*)$/; - for (let [x, original] of Object.entries(imports)) { - if (typeof original == 'function') { - let isAsyncifyImport = - original.isAsync || importPattern.test(x); - } - } - }, - instrumentWasmExports(exports) { - var ret = {}; - for (let [x, original] of Object.entries(exports)) { - if (typeof original == 'function') { - ret[x] = (...args) => { - Asyncify.exportCallStack.push(x); - try { - return original(...args); - } finally { - if (!ABORT) { - var y = Asyncify.exportCallStack.pop(); - Asyncify.maybeStopUnwind(); - } - } - }; - } else { - ret[x] = original; - } - } - return ret; - }, - State: { - Normal: 0, - Unwinding: 1, - Rewinding: 2, - Disabled: 3, - }, - state: 0, - StackSize: 4096, - currData: null, - handleSleepReturnValue: 0, - exportCallStack: [], - callStackNameToId: {}, - callStackIdToName: {}, - callStackId: 0, - asyncPromiseHandlers: null, - sleepCallbacks: [], - getCallStackId(funcName) { - var id = Asyncify.callStackNameToId[funcName]; - if (id === undefined) { - id = Asyncify.callStackId++; - Asyncify.callStackNameToId[funcName] = id; - Asyncify.callStackIdToName[id] = funcName; - } - return id; - }, - maybeStopUnwind() { - if ( - Asyncify.currData && - Asyncify.state === Asyncify.State.Unwinding && - Asyncify.exportCallStack.length === 0 - ) { - // We just finished unwinding. - // Be sure to set the state before calling any other functions to avoid - // possible infinite recursion here (For example in debug pthread builds - // the dbg() function itself can call back into WebAssembly to get the - // current pthread_self() pointer). - Asyncify.state = Asyncify.State.Normal; - runtimeKeepalivePush(); - // Keep the runtime alive so that a re-wind can be done later. - runAndAbortIfError(_asyncify_stop_unwind); - if (typeof Fibers != 'undefined') { - Fibers.trampoline(); - } - } - }, - whenDone() { - return new Promise((resolve, reject) => { - Asyncify.asyncPromiseHandlers = { - resolve, - reject, - }; - }); - }, - allocateData() { - // An asyncify data structure has three fields: - // 0 current stack pos - // 4 max stack pos - // 8 id of function at bottom of the call stack (callStackIdToName[id] == name of js function) - // The Asyncify ABI only interprets the first two fields, the rest is for the runtime. - // We also embed a stack in the same memory region here, right next to the structure. - // This struct is also defined as asyncify_data_t in emscripten/fiber.h - var ptr = _malloc(12 + Asyncify.StackSize); - Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize); - Asyncify.setDataRewindFunc(ptr); - return ptr; - }, - setDataHeader(ptr, stack, stackSize) { - HEAPU32[ptr >> 2] = stack; - HEAPU32[(ptr + 4) >> 2] = stack + stackSize; - }, - setDataRewindFunc(ptr) { - var bottomOfCallStack = Asyncify.exportCallStack[0]; - var rewindId = Asyncify.getCallStackId(bottomOfCallStack); - HEAP32[(ptr + 8) >> 2] = rewindId; - }, - getDataRewindFuncName(ptr) { - var id = HEAP32[(ptr + 8) >> 2]; - var name = Asyncify.callStackIdToName[id]; - return name; - }, - getDataRewindFunc(name) { - var func = wasmExports[name]; - return func; - }, - doRewind(ptr) { - var name = Asyncify.getDataRewindFuncName(ptr); - var func = Asyncify.getDataRewindFunc(name); - // Once we have rewound and the stack we no longer need to artificially - // keep the runtime alive. - runtimeKeepalivePop(); - return func(); - }, - handleSleep(startAsync) { - if (ABORT) return; - if (Asyncify.state === Asyncify.State.Normal) { - // Prepare to sleep. Call startAsync, and see what happens: - // if the code decided to call our callback synchronously, - // then no async operation was in fact begun, and we don't - // need to do anything. - var reachedCallback = false; - var reachedAfterCallback = false; - startAsync((handleSleepReturnValue = 0) => { - if (ABORT) return; - Asyncify.handleSleepReturnValue = handleSleepReturnValue; - reachedCallback = true; - if (!reachedAfterCallback) { - // We are happening synchronously, so no need for async. - return; - } - Asyncify.state = Asyncify.State.Rewinding; - runAndAbortIfError(() => - _asyncify_start_rewind(Asyncify.currData) - ); - if (typeof MainLoop != 'undefined' && MainLoop.func) { - MainLoop.resume(); - } - var asyncWasmReturnValue, - isError = false; - try { - asyncWasmReturnValue = Asyncify.doRewind( - Asyncify.currData - ); - } catch (err) { - asyncWasmReturnValue = err; - isError = true; - } - // Track whether the return value was handled by any promise handlers. - var handled = false; - if (!Asyncify.currData) { - // All asynchronous execution has finished. - // `asyncWasmReturnValue` now contains the final - // return value of the exported async WASM function. - // Note: `asyncWasmReturnValue` is distinct from - // `Asyncify.handleSleepReturnValue`. - // `Asyncify.handleSleepReturnValue` contains the return - // value of the last C function to have executed - // `Asyncify.handleSleep()`, where as `asyncWasmReturnValue` - // contains the return value of the exported WASM function - // that may have called C functions that - // call `Asyncify.handleSleep()`. - var asyncPromiseHandlers = - Asyncify.asyncPromiseHandlers; - if (asyncPromiseHandlers) { - Asyncify.asyncPromiseHandlers = null; - (isError - ? asyncPromiseHandlers.reject - : asyncPromiseHandlers.resolve)( - asyncWasmReturnValue - ); - handled = true; - } - } - if (isError && !handled) { - // If there was an error and it was not handled by now, we have no choice but to - // rethrow that error into the global scope where it can be caught only by - // `onerror` or `onunhandledpromiserejection`. - throw asyncWasmReturnValue; - } - }); - reachedAfterCallback = true; - if (!reachedCallback) { - // A true async operation was begun; start a sleep. - Asyncify.state = Asyncify.State.Unwinding; - // TODO: reuse, don't alloc/free every sleep - Asyncify.currData = Asyncify.allocateData(); - if (typeof MainLoop != 'undefined' && MainLoop.func) { - MainLoop.pause(); - } - runAndAbortIfError(() => - _asyncify_start_unwind(Asyncify.currData) - ); - } - } else if (Asyncify.state === Asyncify.State.Rewinding) { - // Stop a resume. - Asyncify.state = Asyncify.State.Normal; - runAndAbortIfError(_asyncify_stop_rewind); - _free(Asyncify.currData); - Asyncify.currData = null; - // Call all sleep callbacks now that the sleep-resume is all done. - Asyncify.sleepCallbacks.forEach(callUserCallback); - } else { - abort(`invalid state: ${Asyncify.state}`); - } - return Asyncify.handleSleepReturnValue; - }, - handleAsync(startAsync) { - return Asyncify.handleSleep((wakeUp) => { - // TODO: add error handling as a second param when handleSleep implements it. - startAsync().then(wakeUp); - }); - }, - }; - - var getCFunc = (ident) => { - var func = Module['_' + ident]; - // closure exported function - return func; - }; - - var writeArrayToMemory = (array, buffer) => { - HEAP8.set(array, buffer); - }; - - /** - * @param {string|null=} returnType - * @param {Array=} argTypes - * @param {Arguments|Array=} args - * @param {Object=} opts - */ var ccall = (ident, returnType, argTypes, args, opts) => { - // For fast lookup of conversion functions - var toC = { - string: (str) => { - var ret = 0; - if (str !== null && str !== undefined && str !== 0) { - // null string - ret = stringToUTF8OnStack(str); - } - return ret; - }, - array: (arr) => { - var ret = stackAlloc(arr.length); - writeArrayToMemory(arr, ret); - return ret; - }, - }; - function convertReturnValue(ret) { - if (returnType === 'string') { - return UTF8ToString(ret); - } - if (returnType === 'boolean') return Boolean(ret); - return ret; - } - var func = getCFunc(ident); - var cArgs = []; - var stack = 0; - if (args) { - for (var i = 0; i < args.length; i++) { - var converter = toC[argTypes[i]]; - if (converter) { - if (stack === 0) stack = stackSave(); - cArgs[i] = converter(args[i]); - } else { - cArgs[i] = args[i]; - } - } - } - // Data for a previous async operation that was in flight before us. - var previousAsync = Asyncify.currData; - var ret = func(...cArgs); - function onDone(ret) { - runtimeKeepalivePop(); - if (stack !== 0) stackRestore(stack); - return convertReturnValue(ret); - } - var asyncMode = opts?.async; - // Keep the runtime alive through all calls. Note that this call might not be - // async, but for simplicity we push and pop in all calls. - runtimeKeepalivePush(); - if (Asyncify.currData != previousAsync) { - // This is a new async operation. The wasm is paused and has unwound its stack. - // We need to return a Promise that resolves the return value - // once the stack is rewound and execution finishes. - return Asyncify.whenDone().then(onDone); - } - ret = onDone(ret); - // If this is an async ccall, ensure we return a promise - if (asyncMode) return Promise.resolve(ret); - return ret; - }; - - var FS_createPath = FS.createPath; - - var FS_unlink = (path) => FS.unlink(path); - - var FS_createLazyFile = FS.createLazyFile; - - var FS_createDevice = FS.createDevice; - - FS.createPreloadedFile = FS_createPreloadedFile; - - FS.staticInit(); - - // Set module methods based on EXPORTED_RUNTIME_METHODS - Module['FS_createPath'] = FS.createPath; - - Module['FS_createDataFile'] = FS.createDataFile; - - Module['FS_createPreloadedFile'] = FS.createPreloadedFile; - - Module['FS_unlink'] = FS.unlink; - - Module['FS_createLazyFile'] = FS.createLazyFile; - - Module['FS_createDevice'] = FS.createDevice; - - // This error may happen quite a bit. To avoid overhead we reuse it (and - // suffer a lack of stack info). - MEMFS.doesNotExistError = new FS.ErrnoError(44); - - /** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = - ''; - - if (ENVIRONMENT_IS_NODE) { - NODEFS.staticInit(); - } +/** @type {WebAssembly.Table} */ var wasmTable; + +var runAndAbortIfError = func => { + try { + return func(); + } catch (e) { + abort(e); + } +}; + +var Asyncify = { + instrumentWasmImports(imports) { + var importPattern = /^(_dlopen_js|invoke_i|invoke_ii|invoke_iii|invoke_iiii|invoke_iiiii|invoke_iiiiii|invoke_iiiiiii|invoke_iiiiiiii|invoke_iiiiiiiiii|invoke_v|invoke_vi|invoke_vii|invoke_viidii|invoke_viii|invoke_viiii|invoke_viiiii|invoke_viiiiii|invoke_viiiiiii|invoke_viiiiiiiii|invoke_i|invoke_ii|invoke_iii|invoke_iiii|invoke_iiiii|invoke_iiiiii|invoke_iiiiiii|invoke_iiiiiiii|invoke_iiiiiiiiii|invoke_iij|invoke_iiji|invoke_iijii|invoke_iijiji|invoke_jii|invoke_jiii|invoke_viijii|invoke_vji|js_open_process|_js_open_process|_asyncjs__js_open_process|js_popen_to_file|_js_popen_to_file|_asyncjs__js_popen_to_file|__syscall_fcntl64|js__syscall_fcntl64|_js__syscall_fcntl64|_asyncjs__js__syscall_fcntl64|js_release_file_locks|js_flock|js_fd_read|_js_fd_read|_fd_close|js_module_onMessage|_js_module_onMessage|_asyncjs__js_module_onMessage|js_waitpid|_js_waitpid|_asyncjs__js_waitpid|wasm_poll_socket|_wasm_poll_socket|_asyncjs__wasm_poll_socket|_wasm_shutdown|_asyncjs__wasm_shutdown|__asyncjs__.*)$/; + for (let [x, original] of Object.entries(imports)) { + if (typeof original == "function") { + let isAsyncifyImport = original.isAsync || importPattern.test(x); + } + } + }, + instrumentWasmExports(exports) { + var ret = {}; + for (let [x, original] of Object.entries(exports)) { + if (typeof original == "function") { + ret[x] = (...args) => { + Asyncify.exportCallStack.push(x); + try { + return original(...args); + } finally { + if (!ABORT) { + var y = Asyncify.exportCallStack.pop(); + Asyncify.maybeStopUnwind(); + } + } + }; + } else { + ret[x] = original; + } + } + return ret; + }, + State: { + Normal: 0, + Unwinding: 1, + Rewinding: 2, + Disabled: 3 + }, + state: 0, + StackSize: 4096, + currData: null, + handleSleepReturnValue: 0, + exportCallStack: [], + callStackNameToId: {}, + callStackIdToName: {}, + callStackId: 0, + asyncPromiseHandlers: null, + sleepCallbacks: [], + getCallStackId(funcName) { + var id = Asyncify.callStackNameToId[funcName]; + if (id === undefined) { + id = Asyncify.callStackId++; + Asyncify.callStackNameToId[funcName] = id; + Asyncify.callStackIdToName[id] = funcName; + } + return id; + }, + maybeStopUnwind() { + if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) { + // We just finished unwinding. + // Be sure to set the state before calling any other functions to avoid + // possible infinite recursion here (For example in debug pthread builds + // the dbg() function itself can call back into WebAssembly to get the + // current pthread_self() pointer). + Asyncify.state = Asyncify.State.Normal; + runtimeKeepalivePush(); + // Keep the runtime alive so that a re-wind can be done later. + runAndAbortIfError(_asyncify_stop_unwind); + if (typeof Fibers != "undefined") { + Fibers.trampoline(); + } + } + }, + whenDone() { + return new Promise((resolve, reject) => { + Asyncify.asyncPromiseHandlers = { + resolve, + reject + }; + }); + }, + allocateData() { + // An asyncify data structure has three fields: + // 0 current stack pos + // 4 max stack pos + // 8 id of function at bottom of the call stack (callStackIdToName[id] == name of js function) + // The Asyncify ABI only interprets the first two fields, the rest is for the runtime. + // We also embed a stack in the same memory region here, right next to the structure. + // This struct is also defined as asyncify_data_t in emscripten/fiber.h + var ptr = _malloc(12 + Asyncify.StackSize); + Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize); + Asyncify.setDataRewindFunc(ptr); + return ptr; + }, + setDataHeader(ptr, stack, stackSize) { + HEAPU32[((ptr) >> 2)] = stack; + HEAPU32[(((ptr) + (4)) >> 2)] = stack + stackSize; + }, + setDataRewindFunc(ptr) { + var bottomOfCallStack = Asyncify.exportCallStack[0]; + var rewindId = Asyncify.getCallStackId(bottomOfCallStack); + HEAP32[(((ptr) + (8)) >> 2)] = rewindId; + }, + getDataRewindFuncName(ptr) { + var id = HEAP32[(((ptr) + (8)) >> 2)]; + var name = Asyncify.callStackIdToName[id]; + return name; + }, + getDataRewindFunc(name) { + var func = wasmExports[name]; + return func; + }, + doRewind(ptr) { + var name = Asyncify.getDataRewindFuncName(ptr); + var func = Asyncify.getDataRewindFunc(name); + // Once we have rewound and the stack we no longer need to artificially + // keep the runtime alive. + runtimeKeepalivePop(); + return func(); + }, + handleSleep(startAsync) { + if (ABORT) return; + if (Asyncify.state === Asyncify.State.Normal) { + // Prepare to sleep. Call startAsync, and see what happens: + // if the code decided to call our callback synchronously, + // then no async operation was in fact begun, and we don't + // need to do anything. + var reachedCallback = false; + var reachedAfterCallback = false; + startAsync((handleSleepReturnValue = 0) => { + if (ABORT) return; + Asyncify.handleSleepReturnValue = handleSleepReturnValue; + reachedCallback = true; + if (!reachedAfterCallback) { + // We are happening synchronously, so no need for async. + return; + } + Asyncify.state = Asyncify.State.Rewinding; + runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData)); + if (typeof MainLoop != "undefined" && MainLoop.func) { + MainLoop.resume(); + } + var asyncWasmReturnValue, isError = false; + try { + asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData); + } catch (err) { + asyncWasmReturnValue = err; + isError = true; + } + // Track whether the return value was handled by any promise handlers. + var handled = false; + if (!Asyncify.currData) { + // All asynchronous execution has finished. + // `asyncWasmReturnValue` now contains the final + // return value of the exported async WASM function. + // Note: `asyncWasmReturnValue` is distinct from + // `Asyncify.handleSleepReturnValue`. + // `Asyncify.handleSleepReturnValue` contains the return + // value of the last C function to have executed + // `Asyncify.handleSleep()`, where as `asyncWasmReturnValue` + // contains the return value of the exported WASM function + // that may have called C functions that + // call `Asyncify.handleSleep()`. + var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers; + if (asyncPromiseHandlers) { + Asyncify.asyncPromiseHandlers = null; + (isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue); + handled = true; + } + } + if (isError && !handled) { + // If there was an error and it was not handled by now, we have no choice but to + // rethrow that error into the global scope where it can be caught only by + // `onerror` or `onunhandledpromiserejection`. + throw asyncWasmReturnValue; + } + }); + reachedAfterCallback = true; + if (!reachedCallback) { + // A true async operation was begun; start a sleep. + Asyncify.state = Asyncify.State.Unwinding; + // TODO: reuse, don't alloc/free every sleep + Asyncify.currData = Asyncify.allocateData(); + if (typeof MainLoop != "undefined" && MainLoop.func) { + MainLoop.pause(); + } + runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData)); + } + } else if (Asyncify.state === Asyncify.State.Rewinding) { + // Stop a resume. + Asyncify.state = Asyncify.State.Normal; + runAndAbortIfError(_asyncify_stop_rewind); + _free(Asyncify.currData); + Asyncify.currData = null; + // Call all sleep callbacks now that the sleep-resume is all done. + Asyncify.sleepCallbacks.forEach(callUserCallback); + } else { + abort(`invalid state: ${Asyncify.state}`); + } + return Asyncify.handleSleepReturnValue; + }, + handleAsync(startAsync) { + return Asyncify.handleSleep(wakeUp => { + // TODO: add error handling as a second param when handleSleep implements it. + startAsync().then(wakeUp); + }); + } +}; + +var getCFunc = ident => { + var func = Module["_" + ident]; + // closure exported function + return func; +}; + +var writeArrayToMemory = (array, buffer) => { + HEAP8.set(array, buffer); +}; - PHPWASM.init(); - - // End JS library code - function js_popen_to_file(command, mode, exitCodePtr) { - const returnCallback = (resolver) => Asyncify.handleSleep(resolver); - if (!command) return 1; - const cmdstr = UTF8ToString(command); - if (!cmdstr.length) return 0; - const modestr = UTF8ToString(mode); - if (!modestr.length) return 0; - if (modestr === 'w') { - console.error('popen($cmd, "w") is not implemented yet'); - } - return returnCallback(async (wakeUp) => { - let cp; - try { - cp = PHPWASM.spawnProcess(cmdstr, []); - if (cp instanceof Promise) { - cp = await cp; - } - } catch (e) { - console.error(e); - if (e.code === 'SPAWN_UNSUPPORTED') { - return 1; - } - throw e; - } - const outByteArrays = []; - cp.stdout.on('data', function (data) { - outByteArrays.push(data); - }); - const outputPath = '/tmp/popen_output'; - cp.on('exit', function (exitCode) { - const outBytes = new Uint8Array( - outByteArrays.reduce((acc, curr) => acc + curr.length, 0) - ); - let offset = 0; - for (const byteArray of outByteArrays) { - outBytes.set(byteArray, offset); - offset += byteArray.length; - } - FS.writeFile(outputPath, outBytes); - HEAPU8[exitCodePtr] = exitCode; - wakeUp(allocateUTF8OnStack(outputPath)); - }); - }); - } +/** + * @param {string|null=} returnType + * @param {Array=} argTypes + * @param {Arguments|Array=} args + * @param {Object=} opts + */ var ccall = (ident, returnType, argTypes, args, opts) => { + // For fast lookup of conversion functions + var toC = { + "string": str => { + var ret = 0; + if (str !== null && str !== undefined && str !== 0) { + // null string + ret = stringToUTF8OnStack(str); + } + return ret; + }, + "array": arr => { + var ret = stackAlloc(arr.length); + writeArrayToMemory(arr, ret); + return ret; + } + }; + function convertReturnValue(ret) { + if (returnType === "string") { + return UTF8ToString(ret); + } + if (returnType === "boolean") return Boolean(ret); + return ret; + } + var func = getCFunc(ident); + var cArgs = []; + var stack = 0; + if (args) { + for (var i = 0; i < args.length; i++) { + var converter = toC[argTypes[i]]; + if (converter) { + if (stack === 0) stack = stackSave(); + cArgs[i] = converter(args[i]); + } else { + cArgs[i] = args[i]; + } + } + } + // Data for a previous async operation that was in flight before us. + var previousAsync = Asyncify.currData; + var ret = func(...cArgs); + function onDone(ret) { + runtimeKeepalivePop(); + if (stack !== 0) stackRestore(stack); + return convertReturnValue(ret); + } + var asyncMode = opts?.async; + // Keep the runtime alive through all calls. Note that this call might not be + // async, but for simplicity we push and pop in all calls. + runtimeKeepalivePush(); + if (Asyncify.currData != previousAsync) { + // This is a new async operation. The wasm is paused and has unwound its stack. + // We need to return a Promise that resolves the return value + // once the stack is rewound and execution finishes. + return Asyncify.whenDone().then(onDone); + } + ret = onDone(ret); + // If this is an async ccall, ensure we return a promise + if (asyncMode) return Promise.resolve(ret); + return ret; +}; + +var FS_createPath = FS.createPath; + +var FS_unlink = path => FS.unlink(path); + +var FS_createLazyFile = FS.createLazyFile; + +var FS_createDevice = FS.createDevice; + +FS.createPreloadedFile = FS_createPreloadedFile; + +FS.staticInit(); + +// Set module methods based on EXPORTED_RUNTIME_METHODS +Module["FS_createPath"] = FS.createPath; + +Module["FS_createDataFile"] = FS.createDataFile; + +Module["FS_createPreloadedFile"] = FS.createPreloadedFile; + +Module["FS_unlink"] = FS.unlink; + +Module["FS_createLazyFile"] = FS.createLazyFile; + +Module["FS_createDevice"] = FS.createDevice; + +// This error may happen quite a bit. To avoid overhead we reuse it (and +// suffer a lack of stack info). +MEMFS.doesNotExistError = new FS.ErrnoError(44); + +/** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = ""; + +if (ENVIRONMENT_IS_NODE) { + NODEFS.staticInit(); +} - function wasm_poll_socket(socketd, events, timeout) { - const returnCallback = (resolver) => Asyncify.handleSleep(resolver); - const POLLIN = 1; - const POLLPRI = 2; - const POLLOUT = 4; - const POLLERR = 8; - const POLLHUP = 16; - const POLLNVAL = 32; - return returnCallback((wakeUp) => { - const polls = []; - if (socketd in PHPWASM.child_proc_by_fd) { - const procInfo = PHPWASM.child_proc_by_fd[socketd]; - if (procInfo.exited) { - wakeUp(0); - return; - } - polls.push(PHPWASM.awaitEvent(procInfo.stdout, 'data')); - } else if (FS.isSocket(FS.getStream(socketd)?.node.mode)) { - const sock = getSocketFromFD(socketd); - if (!sock) { - wakeUp(0); - return; - } - const lookingFor = new Set(); - if (events & POLLIN || events & POLLPRI) { - if (sock.server) { - for (const client of sock.pending) { - if ((client.recv_queue || []).length > 0) { - wakeUp(1); - return; - } - } - } else if ((sock.recv_queue || []).length > 0) { - wakeUp(1); - return; - } - } - const webSockets = PHPWASM.getAllWebSockets(sock); - if (!webSockets.length) { - wakeUp(0); - return; - } - for (const ws of webSockets) { - if (events & POLLIN || events & POLLPRI) { - polls.push(PHPWASM.awaitData(ws)); - lookingFor.add('POLLIN'); - } - if (events & POLLOUT) { - polls.push(PHPWASM.awaitConnection(ws)); - lookingFor.add('POLLOUT'); - } - if (events & POLLHUP) { - polls.push(PHPWASM.awaitClose(ws)); - lookingFor.add('POLLHUP'); - } - if (events & POLLERR || events & POLLNVAL) { - polls.push(PHPWASM.awaitError(ws)); - lookingFor.add('POLLERR'); - } - } - } else { - setTimeout(function () { - wakeUp(1); - }, timeout); - return; - } - if (polls.length === 0) { - console.warn( - 'Unsupported poll event ' + - events + - ', defaulting to setTimeout().' - ); - setTimeout(function () { - wakeUp(0); - }, timeout); - return; - } - const promises = polls.map(([promise]) => promise); - const clearPolling = () => polls.forEach(([, clear]) => clear()); - let awaken = false; - let timeoutId; - Promise.race(promises).then(function (results) { - if (!awaken) { - awaken = true; - wakeUp(1); - if (timeoutId) { - clearTimeout(timeoutId); - } - clearPolling(); - } - }); - if (timeout !== -1) { - timeoutId = setTimeout(function () { - if (!awaken) { - awaken = true; - wakeUp(0); - clearPolling(); - } - }, timeout); - } - }); - } +PHPWASM.init(); + +// End JS library code +function js_popen_to_file(command, mode, exitCodePtr) { + const returnCallback = resolver => Asyncify.handleSleep(resolver); + if (!command) return 1; + const cmdstr = UTF8ToString(command); + if (!cmdstr.length) return 0; + const modestr = UTF8ToString(mode); + if (!modestr.length) return 0; + if (modestr === "w") { + console.error('popen($cmd, "w") is not implemented yet'); + } + return returnCallback(async wakeUp => { + let cp; + try { + cp = PHPWASM.spawnProcess(cmdstr, []); + if (cp instanceof Promise) { + cp = await cp; + } + } catch (e) { + console.error(e); + if (e.code === "SPAWN_UNSUPPORTED") { + return 1; + } + throw e; + } + const outByteArrays = []; + cp.stdout.on("data", function(data) { + outByteArrays.push(data); + }); + const outputPath = "/tmp/popen_output"; + cp.on("exit", function(exitCode) { + const outBytes = new Uint8Array(outByteArrays.reduce((acc, curr) => acc + curr.length, 0)); + let offset = 0; + for (const byteArray of outByteArrays) { + outBytes.set(byteArray, offset); + offset += byteArray.length; + } + FS.writeFile(outputPath, outBytes); + HEAPU8[exitCodePtr] = exitCode; + wakeUp(allocateUTF8OnStack(outputPath)); + }); + }); +} - function js_fd_read(fd, iov, iovcnt, pnum) { - const returnCallback = (resolver) => Asyncify.handleSleep(resolver); - if ( - Asyncify?.State?.Normal === undefined || - Asyncify?.state === Asyncify?.State?.Normal - ) { - var returnCode; - var stream; - let num = 0; - try { - stream = SYSCALLS.getStreamFromFD(fd); - const num = doReadv(stream, iov, iovcnt); - HEAPU32[pnum >> 2] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) { - throw e; - } - if ( - e.errno !== 6 || - !(stream?.fd in PHPWASM.child_proc_by_fd) - ) { - HEAPU32[pnum >> 2] = 0; - return returnCode; - } - } - } - return returnCallback((wakeUp) => { - var retries = 0; - var interval = 50; - var timeout = 5e3; - var maxRetries = timeout / interval; - function poll() { - var returnCode; - var stream; - let num; - try { - stream = SYSCALLS.getStreamFromFD(fd); - num = doReadv(stream, iov, iovcnt); - returnCode = 0; - } catch (e) { - if ( - typeof FS == 'undefined' || - !(e.name === 'ErrnoError') - ) { - console.error(e); - throw e; - } - returnCode = e.errno; - } - const success = returnCode === 0; - const failure = - ++retries > maxRetries || - !(fd in PHPWASM.child_proc_by_fd) || - PHPWASM.child_proc_by_fd[fd]?.exited || - FS.isClosed(stream); - if (success) { - HEAPU32[pnum >> 2] = num; - wakeUp(0); - } else if (failure) { - HEAPU32[pnum >> 2] = 0; - wakeUp(returnCode === 6 ? 0 : returnCode); - } else { - setTimeout(poll, interval); - } - } - poll(); - }); - } + function wasm_poll_socket(socketd, events, timeout) { + const returnCallback = (resolver) => Asyncify.handleSleep(resolver); + const POLLIN = 1; + const POLLPRI = 2; + const POLLOUT = 4; + const POLLERR = 8; + const POLLHUP = 16; + const POLLNVAL = 32; + return returnCallback((wakeUp) => { + const polls = []; + if (FS.isSocket(FS.getStream(socketd)?.node.mode)) { + const sock = getSocketFromFD(socketd); + if (!sock) { + wakeUp(0); + return; + } + const lookingFor = new Set(); + if (events & POLLIN || events & POLLPRI) { + if (sock.server) { + for (const client of sock.pending) { + if ((client.recv_queue || []).length > 0) { + wakeUp(1); + return; + } + } + } else if ((sock.recv_queue || []).length > 0) { + wakeUp(1); + return; + } + } + const webSockets = PHPWASM.getAllWebSockets(sock); + if (!webSockets.length) { + wakeUp(0); + return; + } + for (const ws of webSockets) { + if (events & POLLIN || events & POLLPRI) { + polls.push(PHPWASM.awaitData(ws)); + lookingFor.add('POLLIN'); + } + if (events & POLLOUT) { + polls.push(PHPWASM.awaitConnection(ws)); + lookingFor.add('POLLOUT'); + } + // Notify the user the socket is now closed even if the only requested + // in or out events. + if ( + events & POLLHUP || + events & POLLIN || + events & POLLOUT || + events & POLLERR + ) { + polls.push(PHPWASM.awaitClose(ws)); + lookingFor.add('POLLHUP'); + } + if (events & POLLERR || events & POLLNVAL) { + polls.push(PHPWASM.awaitError(ws)); + lookingFor.add('POLLERR'); + } + } + } else if (socketd in PHPWASM.child_proc_by_fd) { + const procInfo = PHPWASM.child_proc_by_fd[socketd]; + if (procInfo.exited) { + wakeUp(0); + return; + } + polls.push(PHPWASM.awaitEvent(procInfo.stdout, 'data')); + } else { + setTimeout(function () { + wakeUp(1); + }, timeout); + return; + } + if (polls.length === 0) { + console.warn( + 'Unsupported poll event ' + + events + + ', defaulting to setTimeout().' + ); + setTimeout(function () { + wakeUp(0); + }, timeout); + return; + } + const promises = polls.map(([promise]) => promise); + const clearPolling = () => polls.forEach(([, clear]) => clear()); + let awaken = false; + let timeoutId; + Promise.race(promises).then(function (results) { + if (!awaken) { + awaken = true; + wakeUp(1); + if (timeoutId) { + clearTimeout(timeoutId); + } + clearPolling(); + } + }); + if (timeout !== -1) { + timeoutId = setTimeout(function () { + if (!awaken) { + awaken = true; + wakeUp(0); + clearPolling(); + } + }, timeout); + } + }); + } + +function js_fd_read(fd, iov, iovcnt, pnum) { + const returnCallback = resolver => Asyncify.handleSleep(resolver); + if (Asyncify?.State?.Normal === undefined || Asyncify?.state === Asyncify?.State?.Normal) { + var returnCode; + var stream; + let num = 0; + try { + stream = SYSCALLS.getStreamFromFD(fd); + const num = doReadv(stream, iov, iovcnt); + HEAPU32[pnum >> 2] = num; + return 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) { + throw e; + } + if (e.errno !== 6 || !(stream?.fd in PHPWASM.child_proc_by_fd)) { + HEAPU32[pnum >> 2] = 0; + return returnCode; + } + } + } + return returnCallback(wakeUp => { + var retries = 0; + var interval = 50; + var timeout = 5e3; + var maxRetries = timeout / interval; + function poll() { + var returnCode; + var stream; + let num; + try { + stream = SYSCALLS.getStreamFromFD(fd); + num = doReadv(stream, iov, iovcnt); + returnCode = 0; + } catch (e) { + if (typeof FS == "undefined" || !(e.name === "ErrnoError")) { + console.error(e); + throw e; + } + returnCode = e.errno; + } + const success = returnCode === 0; + const failure = (++retries > maxRetries || !(fd in PHPWASM.child_proc_by_fd) || PHPWASM.child_proc_by_fd[fd]?.exited || FS.isClosed(stream)); + if (success) { + HEAPU32[pnum >> 2] = num; + wakeUp(0); + } else if (failure) { + HEAPU32[pnum >> 2] = 0; + wakeUp(returnCode === 6 ? 0 : returnCode); + } else { + setTimeout(poll, interval); + } + } + poll(); + }); +} - function __asyncjs__js_module_onMessage(data, response_buffer) { - return Asyncify.handleAsync(async () => { - if (Module['onMessage']) { - const dataStr = UTF8ToString(data); - return Module['onMessage'](dataStr) - .then((response) => { - const responseBytes = - typeof response === 'string' - ? new TextEncoder().encode(response) - : response; - const responseSize = responseBytes.byteLength; - const responsePtr = _malloc(responseSize + 1); - HEAPU8.set(responseBytes, responsePtr); - HEAPU8[responsePtr + responseSize] = 0; - HEAPU8[response_buffer] = responsePtr; - HEAPU8[response_buffer + 1] = responsePtr >> 8; - HEAPU8[response_buffer + 2] = responsePtr >> 16; - HEAPU8[response_buffer + 3] = responsePtr >> 24; - return responseSize; - }) - .catch((e) => { - console.error(e); - return -1; - }); - } - }); - } +function __asyncjs__js_module_onMessage(data, response_buffer) { + return Asyncify.handleAsync(async () => { + if (Module["onMessage"]) { + const dataStr = UTF8ToString(data); + return Module["onMessage"](dataStr).then(response => { + const responseBytes = typeof response === "string" ? (new TextEncoder).encode(response) : response; + const responseSize = responseBytes.byteLength; + const responsePtr = _malloc(responseSize + 1); + HEAPU8.set(responseBytes, responsePtr); + HEAPU8[responsePtr + responseSize] = 0; + HEAPU8[response_buffer] = responsePtr; + HEAPU8[response_buffer + 1] = responsePtr >> 8; + HEAPU8[response_buffer + 2] = responsePtr >> 16; + HEAPU8[response_buffer + 3] = responsePtr >> 24; + return responseSize; + }).catch(e => { + console.error(e); + return -1; + }); + } + }); +} - var wasmImports = { - /** @export */ m: ___assert_fail, - /** @export */ da: __asyncjs__js_module_onMessage, - /** @export */ ib: ___call_sighandler, - /** @export */ X: ___cxa_throw, - /** @export */ hb: ___syscall_accept4, - /** @export */ gb: ___syscall_bind, - /** @export */ fb: ___syscall_chdir, - /** @export */ W: ___syscall_chmod, - /** @export */ eb: ___syscall_connect, - /** @export */ db: ___syscall_dup, - /** @export */ cb: ___syscall_dup3, - /** @export */ bb: ___syscall_faccessat, - /** @export */ ab: ___syscall_fallocate, - /** @export */ $a: ___syscall_fchmod, - /** @export */ _a: ___syscall_fchown32, - /** @export */ V: ___syscall_fchownat, - /** @export */ n: ___syscall_fcntl64, - /** @export */ Za: ___syscall_fdatasync, - /** @export */ Ya: ___syscall_fstat64, - /** @export */ Xa: ___syscall_ftruncate64, - /** @export */ Wa: ___syscall_getcwd, - /** @export */ Va: ___syscall_getdents64, - /** @export */ Ua: ___syscall_getpeername, - /** @export */ Ta: ___syscall_getsockname, - /** @export */ Sa: ___syscall_getsockopt, - /** @export */ F: ___syscall_ioctl, - /** @export */ Ra: ___syscall_listen, - /** @export */ Qa: ___syscall_lstat64, - /** @export */ Pa: ___syscall_mkdirat, - /** @export */ Oa: ___syscall_newfstatat, - /** @export */ y: ___syscall_openat, - /** @export */ Na: ___syscall_pipe, - /** @export */ Ma: ___syscall_poll, - /** @export */ La: ___syscall_readlinkat, - /** @export */ Ka: ___syscall_recvfrom, - /** @export */ Ja: ___syscall_renameat, - /** @export */ U: ___syscall_rmdir, - /** @export */ Ia: ___syscall_sendto, - /** @export */ T: ___syscall_socket, - /** @export */ Ha: ___syscall_stat64, - /** @export */ Ga: ___syscall_statfs64, - /** @export */ Fa: ___syscall_symlinkat, - /** @export */ E: ___syscall_unlinkat, - /** @export */ Ea: ___syscall_utimensat, - /** @export */ xa: __abort_js, - /** @export */ wa: __emscripten_lookup_name, - /** @export */ va: __emscripten_runtime_keepalive_clear, - /** @export */ ua: __emscripten_throw_longjmp, - /** @export */ ta: __gmtime_js, - /** @export */ sa: __localtime_js, - /** @export */ ra: __mktime_js, - /** @export */ qa: __mmap_js, - /** @export */ pa: __munmap_js, - /** @export */ Q: __setitimer_js, - /** @export */ oa: __tzset_js, - /** @export */ Da: _clock_time_get, - /** @export */ P: _emscripten_date_now, - /** @export */ na: _emscripten_get_heap_max, - /** @export */ x: _emscripten_get_now, - /** @export */ ma: _emscripten_resize_heap, - /** @export */ O: _emscripten_sleep, - /** @export */ Ca: _environ_get, - /** @export */ Ba: _environ_sizes_get, - /** @export */ q: _exit, - /** @export */ r: _fd_close, - /** @export */ S: _fd_fdstat_get, - /** @export */ R: _fd_read, - /** @export */ Aa: _fd_seek, - /** @export */ za: _fd_sync, - /** @export */ D: _fd_write, - /** @export */ N: _getaddrinfo, - /** @export */ la: _getcontext, - /** @export */ ka: _getdtablesize, - /** @export */ w: _getnameinfo, - /** @export */ ja: _getprotobyname, - /** @export */ ia: _getprotobynumber, - /** @export */ k: invoke_i, - /** @export */ c: invoke_ii, - /** @export */ b: invoke_iii, - /** @export */ g: invoke_iiii, - /** @export */ h: invoke_iiiii, - /** @export */ o: invoke_iiiiii, - /** @export */ u: invoke_iiiiiii, - /** @export */ v: invoke_iiiiiiii, - /** @export */ M: invoke_iiiiiiiiii, - /** @export */ C: invoke_iij, - /** @export */ L: invoke_iiji, - /** @export */ ha: invoke_iijii, - /** @export */ ga: invoke_iijiji, - /** @export */ K: invoke_jii, - /** @export */ J: invoke_jiii, - /** @export */ e: invoke_v, - /** @export */ a: invoke_vi, - /** @export */ d: invoke_vii, - /** @export */ B: invoke_viidii, - /** @export */ f: invoke_viii, - /** @export */ l: invoke_viiii, - /** @export */ j: invoke_viiiii, - /** @export */ A: invoke_viiiiii, - /** @export */ fa: invoke_viiiiiii, - /** @export */ z: invoke_viiiiiiiii, - /** @export */ i: invoke_viijii, - /** @export */ I: invoke_vji, - /** @export */ H: _js_create_input_device, - /** @export */ ea: js_fd_read, - /** @export */ G: _js_open_process, - /** @export */ ca: js_popen_to_file, - /** @export */ ba: _js_process_status, - /** @export */ aa: _js_waitpid, - /** @export */ $: _makecontext, - /** @export */ ya: _proc_exit, - /** @export */ _: _strptime, - /** @export */ Z: _swapcontext, - /** @export */ s: _wasm_close, - /** @export */ t: wasm_poll_socket, - /** @export */ p: _wasm_setsockopt, - /** @export */ Y: _wasm_shutdown, - }; - - var wasmExports; - - createWasm(); - - var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports['kb'])(); - - var _free = (a0) => (_free = wasmExports['mb'])(a0); - - var _malloc = (a0) => (_malloc = wasmExports['nb'])(a0); - - var _wasm_popen = (Module['_wasm_popen'] = (a0, a1) => - (_wasm_popen = Module['_wasm_popen'] = wasmExports['ob'])(a0, a1)); - - var _wasm_php_exec = (Module['_wasm_php_exec'] = (a0, a1, a2, a3) => - (_wasm_php_exec = Module['_wasm_php_exec'] = wasmExports['pb'])( - a0, - a1, - a2, - a3 - )); - - var _php_pollfd_for = (Module['_php_pollfd_for'] = (a0, a1, a2) => - (_php_pollfd_for = Module['_php_pollfd_for'] = wasmExports['qb'])( - a0, - a1, - a2 - )); - - var _htons = (a0) => (_htons = wasmExports['rb'])(a0); - - var _ntohs = (a0) => (_ntohs = wasmExports['sb'])(a0); - - var _htonl = (a0) => (_htonl = wasmExports['tb'])(a0); - - var _wasm_sleep = (Module['_wasm_sleep'] = (a0) => - (_wasm_sleep = Module['_wasm_sleep'] = wasmExports['ub'])(a0)); - - var _fflush = (a0) => (_fflush = wasmExports['vb'])(a0); - - var _wasm_read = (Module['_wasm_read'] = (a0, a1, a2) => - (_wasm_read = Module['_wasm_read'] = wasmExports['wb'])(a0, a1, a2)); - - var ___wrap_select = (Module['___wrap_select'] = (a0, a1, a2, a3, a4) => - (___wrap_select = Module['___wrap_select'] = wasmExports['xb'])( - a0, - a1, - a2, - a3, - a4 - )); - - var _wasm_add_cli_arg = (Module['_wasm_add_cli_arg'] = (a0) => - (_wasm_add_cli_arg = Module['_wasm_add_cli_arg'] = wasmExports['yb'])( - a0 - )); - - var _run_cli = (Module['_run_cli'] = () => - (_run_cli = Module['_run_cli'] = wasmExports['zb'])()); - - var _wasm_set_sapi_name = (Module['_wasm_set_sapi_name'] = (a0) => - (_wasm_set_sapi_name = Module['_wasm_set_sapi_name'] = - wasmExports['Ab'])(a0)); - - var _wasm_set_phpini_path = (Module['_wasm_set_phpini_path'] = (a0) => - (_wasm_set_phpini_path = Module['_wasm_set_phpini_path'] = - wasmExports['Bb'])(a0)); - - var _wasm_add_SERVER_entry = (Module['_wasm_add_SERVER_entry'] = (a0, a1) => - (_wasm_add_SERVER_entry = Module['_wasm_add_SERVER_entry'] = - wasmExports['Cb'])(a0, a1)); - - var _wasm_add_ENV_entry = (Module['_wasm_add_ENV_entry'] = (a0, a1) => - (_wasm_add_ENV_entry = Module['_wasm_add_ENV_entry'] = - wasmExports['Db'])(a0, a1)); - - var _wasm_set_query_string = (Module['_wasm_set_query_string'] = (a0) => - (_wasm_set_query_string = Module['_wasm_set_query_string'] = - wasmExports['Eb'])(a0)); - - var _wasm_set_path_translated = (Module['_wasm_set_path_translated'] = ( - a0 - ) => - (_wasm_set_path_translated = Module['_wasm_set_path_translated'] = - wasmExports['Fb'])(a0)); - - var _wasm_set_skip_shebang = (Module['_wasm_set_skip_shebang'] = (a0) => - (_wasm_set_skip_shebang = Module['_wasm_set_skip_shebang'] = - wasmExports['Gb'])(a0)); +var wasmImports = { + /** @export */ m: ___assert_fail, + /** @export */ da: __asyncjs__js_module_onMessage, + /** @export */ ib: ___call_sighandler, + /** @export */ X: ___cxa_throw, + /** @export */ hb: ___syscall_accept4, + /** @export */ gb: ___syscall_bind, + /** @export */ fb: ___syscall_chdir, + /** @export */ W: ___syscall_chmod, + /** @export */ eb: ___syscall_connect, + /** @export */ db: ___syscall_dup, + /** @export */ cb: ___syscall_dup3, + /** @export */ bb: ___syscall_faccessat, + /** @export */ ab: ___syscall_fallocate, + /** @export */ $a: ___syscall_fchmod, + /** @export */ _a: ___syscall_fchown32, + /** @export */ V: ___syscall_fchownat, + /** @export */ n: ___syscall_fcntl64, + /** @export */ Za: ___syscall_fdatasync, + /** @export */ Ya: ___syscall_fstat64, + /** @export */ Xa: ___syscall_ftruncate64, + /** @export */ Wa: ___syscall_getcwd, + /** @export */ Va: ___syscall_getdents64, + /** @export */ Ua: ___syscall_getpeername, + /** @export */ Ta: ___syscall_getsockname, + /** @export */ Sa: ___syscall_getsockopt, + /** @export */ F: ___syscall_ioctl, + /** @export */ Ra: ___syscall_listen, + /** @export */ Qa: ___syscall_lstat64, + /** @export */ Pa: ___syscall_mkdirat, + /** @export */ Oa: ___syscall_newfstatat, + /** @export */ y: ___syscall_openat, + /** @export */ Na: ___syscall_pipe, + /** @export */ Ma: ___syscall_poll, + /** @export */ La: ___syscall_readlinkat, + /** @export */ Ka: ___syscall_recvfrom, + /** @export */ Ja: ___syscall_renameat, + /** @export */ U: ___syscall_rmdir, + /** @export */ Ia: ___syscall_sendto, + /** @export */ T: ___syscall_socket, + /** @export */ Ha: ___syscall_stat64, + /** @export */ Ga: ___syscall_statfs64, + /** @export */ Fa: ___syscall_symlinkat, + /** @export */ E: ___syscall_unlinkat, + /** @export */ Ea: ___syscall_utimensat, + /** @export */ xa: __abort_js, + /** @export */ wa: __emscripten_lookup_name, + /** @export */ va: __emscripten_runtime_keepalive_clear, + /** @export */ ua: __emscripten_throw_longjmp, + /** @export */ ta: __gmtime_js, + /** @export */ sa: __localtime_js, + /** @export */ ra: __mktime_js, + /** @export */ qa: __mmap_js, + /** @export */ pa: __munmap_js, + /** @export */ Q: __setitimer_js, + /** @export */ oa: __tzset_js, + /** @export */ Da: _clock_time_get, + /** @export */ P: _emscripten_date_now, + /** @export */ na: _emscripten_get_heap_max, + /** @export */ x: _emscripten_get_now, + /** @export */ ma: _emscripten_resize_heap, + /** @export */ O: _emscripten_sleep, + /** @export */ Ca: _environ_get, + /** @export */ Ba: _environ_sizes_get, + /** @export */ q: _exit, + /** @export */ r: _fd_close, + /** @export */ S: _fd_fdstat_get, + /** @export */ R: _fd_read, + /** @export */ Aa: _fd_seek, + /** @export */ za: _fd_sync, + /** @export */ D: _fd_write, + /** @export */ N: _getaddrinfo, + /** @export */ la: _getcontext, + /** @export */ ka: _getdtablesize, + /** @export */ w: _getnameinfo, + /** @export */ ja: _getprotobyname, + /** @export */ ia: _getprotobynumber, + /** @export */ k: invoke_i, + /** @export */ c: invoke_ii, + /** @export */ b: invoke_iii, + /** @export */ g: invoke_iiii, + /** @export */ h: invoke_iiiii, + /** @export */ o: invoke_iiiiii, + /** @export */ u: invoke_iiiiiii, + /** @export */ v: invoke_iiiiiiii, + /** @export */ M: invoke_iiiiiiiiii, + /** @export */ C: invoke_iij, + /** @export */ L: invoke_iiji, + /** @export */ ha: invoke_iijii, + /** @export */ ga: invoke_iijiji, + /** @export */ K: invoke_jii, + /** @export */ J: invoke_jiii, + /** @export */ e: invoke_v, + /** @export */ a: invoke_vi, + /** @export */ d: invoke_vii, + /** @export */ B: invoke_viidii, + /** @export */ f: invoke_viii, + /** @export */ l: invoke_viiii, + /** @export */ j: invoke_viiiii, + /** @export */ A: invoke_viiiiii, + /** @export */ fa: invoke_viiiiiii, + /** @export */ z: invoke_viiiiiiiii, + /** @export */ i: invoke_viijii, + /** @export */ I: invoke_vji, + /** @export */ H: _js_create_input_device, + /** @export */ ea: js_fd_read, + /** @export */ G: _js_open_process, + /** @export */ ca: js_popen_to_file, + /** @export */ ba: _js_process_status, + /** @export */ aa: _js_waitpid, + /** @export */ $: _makecontext, + /** @export */ ya: _proc_exit, + /** @export */ _: _strptime, + /** @export */ Z: _swapcontext, + /** @export */ s: _wasm_close, + /** @export */ t: wasm_poll_socket, + /** @export */ p: _wasm_setsockopt, + /** @export */ Y: _wasm_shutdown +}; - var _wasm_set_request_uri = (Module['_wasm_set_request_uri'] = (a0) => - (_wasm_set_request_uri = Module['_wasm_set_request_uri'] = - wasmExports['Hb'])(a0)); +var wasmExports; - var _wasm_set_request_method = (Module['_wasm_set_request_method'] = (a0) => - (_wasm_set_request_method = Module['_wasm_set_request_method'] = - wasmExports['Ib'])(a0)); +createWasm(); - var _wasm_set_request_host = (Module['_wasm_set_request_host'] = (a0) => - (_wasm_set_request_host = Module['_wasm_set_request_host'] = - wasmExports['Jb'])(a0)); +var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports["kb"])(); - var _wasm_set_content_type = (Module['_wasm_set_content_type'] = (a0) => - (_wasm_set_content_type = Module['_wasm_set_content_type'] = - wasmExports['Kb'])(a0)); - - var _wasm_set_request_body = (Module['_wasm_set_request_body'] = (a0) => - (_wasm_set_request_body = Module['_wasm_set_request_body'] = - wasmExports['Lb'])(a0)); - - var _wasm_set_content_length = (Module['_wasm_set_content_length'] = (a0) => - (_wasm_set_content_length = Module['_wasm_set_content_length'] = - wasmExports['Mb'])(a0)); - - var _wasm_set_cookies = (Module['_wasm_set_cookies'] = (a0) => - (_wasm_set_cookies = Module['_wasm_set_cookies'] = wasmExports['Nb'])( - a0 - )); - - var _wasm_set_request_port = (Module['_wasm_set_request_port'] = (a0) => - (_wasm_set_request_port = Module['_wasm_set_request_port'] = - wasmExports['Ob'])(a0)); - - var _wasm_sapi_request_shutdown = (Module['_wasm_sapi_request_shutdown'] = - () => - (_wasm_sapi_request_shutdown = Module[ - '_wasm_sapi_request_shutdown' - ] = - wasmExports['Pb'])()); - - var _wasm_sapi_handle_request = (Module['_wasm_sapi_handle_request'] = () => - (_wasm_sapi_handle_request = Module['_wasm_sapi_handle_request'] = - wasmExports['Qb'])()); - - var _php_wasm_init = (Module['_php_wasm_init'] = () => - (_php_wasm_init = Module['_php_wasm_init'] = wasmExports['Rb'])()); - - var _wasm_free = (Module['_wasm_free'] = (a0) => - (_wasm_free = Module['_wasm_free'] = wasmExports['Sb'])(a0)); - - var ___funcs_on_exit = () => (___funcs_on_exit = wasmExports['Tb'])(); - - var _emscripten_builtin_memalign = (a0, a1) => - (_emscripten_builtin_memalign = wasmExports['Ub'])(a0, a1); - - var __emscripten_timeout = (a0, a1) => - (__emscripten_timeout = wasmExports['Vb'])(a0, a1); - - var _setThrew = (a0, a1) => (_setThrew = wasmExports['Wb'])(a0, a1); - - var __emscripten_stack_restore = (a0) => - (__emscripten_stack_restore = wasmExports['Xb'])(a0); - - var __emscripten_stack_alloc = (a0) => - (__emscripten_stack_alloc = wasmExports['Yb'])(a0); - - var _emscripten_stack_get_current = () => - (_emscripten_stack_get_current = wasmExports['Zb'])(); - - var dynCall_iiii = (Module['dynCall_iiii'] = (a0, a1, a2, a3) => - (dynCall_iiii = Module['dynCall_iiii'] = wasmExports['_b'])( - a0, - a1, - a2, - a3 - )); - - var dynCall_ii = (Module['dynCall_ii'] = (a0, a1) => - (dynCall_ii = Module['dynCall_ii'] = wasmExports['$b'])(a0, a1)); - - var dynCall_vi = (Module['dynCall_vi'] = (a0, a1) => - (dynCall_vi = Module['dynCall_vi'] = wasmExports['ac'])(a0, a1)); - - var dynCall_vii = (Module['dynCall_vii'] = (a0, a1, a2) => - (dynCall_vii = Module['dynCall_vii'] = wasmExports['bc'])(a0, a1, a2)); - - var dynCall_viiiii = (Module['dynCall_viiiii'] = (a0, a1, a2, a3, a4, a5) => - (dynCall_viiiii = Module['dynCall_viiiii'] = wasmExports['cc'])( - a0, - a1, - a2, - a3, - a4, - a5 - )); - - var dynCall_iii = (Module['dynCall_iii'] = (a0, a1, a2) => - (dynCall_iii = Module['dynCall_iii'] = wasmExports['dc'])(a0, a1, a2)); - - var dynCall_iiiii = (Module['dynCall_iiiii'] = (a0, a1, a2, a3, a4) => - (dynCall_iiiii = Module['dynCall_iiiii'] = wasmExports['ec'])( - a0, - a1, - a2, - a3, - a4 - )); - - var dynCall_iiiiii = (Module['dynCall_iiiiii'] = (a0, a1, a2, a3, a4, a5) => - (dynCall_iiiiii = Module['dynCall_iiiiii'] = wasmExports['fc'])( - a0, - a1, - a2, - a3, - a4, - a5 - )); - - var dynCall_viii = (Module['dynCall_viii'] = (a0, a1, a2, a3) => - (dynCall_viii = Module['dynCall_viii'] = wasmExports['gc'])( - a0, - a1, - a2, - a3 - )); - - var dynCall_iij = (Module['dynCall_iij'] = (a0, a1, a2) => - (dynCall_iij = Module['dynCall_iij'] = wasmExports['hc'])(a0, a1, a2)); - - var dynCall_v = (Module['dynCall_v'] = (a0) => - (dynCall_v = Module['dynCall_v'] = wasmExports['ic'])(a0)); - - var dynCall_i = (Module['dynCall_i'] = (a0) => - (dynCall_i = Module['dynCall_i'] = wasmExports['jc'])(a0)); - - var dynCall_viiii = (Module['dynCall_viiii'] = (a0, a1, a2, a3, a4) => - (dynCall_viiii = Module['dynCall_viiii'] = wasmExports['kc'])( - a0, - a1, - a2, - a3, - a4 - )); - - var dynCall_iiiiiii = (Module['dynCall_iiiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6 - ) => - (dynCall_iiiiiii = Module['dynCall_iiiiiii'] = wasmExports['lc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6 - )); - - var dynCall_iijii = (Module['dynCall_iijii'] = (a0, a1, a2, a3, a4) => - (dynCall_iijii = Module['dynCall_iijii'] = wasmExports['mc'])( - a0, - a1, - a2, - a3, - a4 - )); - - var dynCall_jii = (Module['dynCall_jii'] = (a0, a1, a2) => - (dynCall_jii = Module['dynCall_jii'] = wasmExports['nc'])(a0, a1, a2)); - - var dynCall_jiii = (Module['dynCall_jiii'] = (a0, a1, a2, a3) => - (dynCall_jiii = Module['dynCall_jiii'] = wasmExports['oc'])( - a0, - a1, - a2, - a3 - )); - - var dynCall_viiiiiiiii = (Module['dynCall_viiiiiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7, - a8, - a9 - ) => - (dynCall_viiiiiiiii = Module['dynCall_viiiiiiiii'] = wasmExports['pc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7, - a8, - a9 - )); - - var dynCall_viiiiiii = (Module['dynCall_viiiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7 - ) => - (dynCall_viiiiiii = Module['dynCall_viiiiiii'] = wasmExports['qc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7 - )); - - var dynCall_viiiiii = (Module['dynCall_viiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6 - ) => - (dynCall_viiiiii = Module['dynCall_viiiiii'] = wasmExports['rc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6 - )); - - var dynCall_iiiiiiii = (Module['dynCall_iiiiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7 - ) => - (dynCall_iiiiiiii = Module['dynCall_iiiiiiii'] = wasmExports['sc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7 - )); - - var dynCall_iiiiiiiiii = (Module['dynCall_iiiiiiiiii'] = ( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7, - a8, - a9 - ) => - (dynCall_iiiiiiiiii = Module['dynCall_iiiiiiiiii'] = wasmExports['tc'])( - a0, - a1, - a2, - a3, - a4, - a5, - a6, - a7, - a8, - a9 - )); - - var dynCall_iiji = (Module['dynCall_iiji'] = (a0, a1, a2, a3) => - (dynCall_iiji = Module['dynCall_iiji'] = wasmExports['uc'])( - a0, - a1, - a2, - a3 - )); - - var dynCall_viijii = (Module['dynCall_viijii'] = (a0, a1, a2, a3, a4, a5) => - (dynCall_viijii = Module['dynCall_viijii'] = wasmExports['vc'])( - a0, - a1, - a2, - a3, - a4, - a5 - )); - - var dynCall_iijiji = (Module['dynCall_iijiji'] = (a0, a1, a2, a3, a4, a5) => - (dynCall_iijiji = Module['dynCall_iijiji'] = wasmExports['wc'])( - a0, - a1, - a2, - a3, - a4, - a5 - )); - - var dynCall_vji = (Module['dynCall_vji'] = (a0, a1, a2) => - (dynCall_vji = Module['dynCall_vji'] = wasmExports['xc'])(a0, a1, a2)); - - var dynCall_viidii = (Module['dynCall_viidii'] = (a0, a1, a2, a3, a4, a5) => - (dynCall_viidii = Module['dynCall_viidii'] = wasmExports['yc'])( - a0, - a1, - a2, - a3, - a4, - a5 - )); - - var _asyncify_start_unwind = (a0) => - (_asyncify_start_unwind = wasmExports['zc'])(a0); - - var _asyncify_stop_unwind = () => - (_asyncify_stop_unwind = wasmExports['Ac'])(); - - var _asyncify_start_rewind = (a0) => - (_asyncify_start_rewind = wasmExports['Bc'])(a0); - - var _asyncify_stop_rewind = () => - (_asyncify_stop_rewind = wasmExports['Cc'])(); - - function invoke_iiiiiii(index, a1, a2, a3, a4, a5, a6) { - var sp = stackSave(); - try { - return dynCall_iiiiiii(index, a1, a2, a3, a4, a5, a6); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _free = a0 => (_free = wasmExports["mb"])(a0); - function invoke_vi(index, a1) { - var sp = stackSave(); - try { - dynCall_vi(index, a1); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _malloc = a0 => (_malloc = wasmExports["nb"])(a0); - function invoke_iiii(index, a1, a2, a3) { - var sp = stackSave(); - try { - return dynCall_iiii(index, a1, a2, a3); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_popen = Module["_wasm_popen"] = (a0, a1) => (_wasm_popen = Module["_wasm_popen"] = wasmExports["ob"])(a0, a1); - function invoke_iij(index, a1, a2) { - var sp = stackSave(); - try { - return dynCall_iij(index, a1, a2); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_php_exec = Module["_wasm_php_exec"] = (a0, a1, a2, a3) => (_wasm_php_exec = Module["_wasm_php_exec"] = wasmExports["pb"])(a0, a1, a2, a3); - function invoke_vii(index, a1, a2) { - var sp = stackSave(); - try { - dynCall_vii(index, a1, a2); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _php_pollfd_for = Module["_php_pollfd_for"] = (a0, a1, a2) => (_php_pollfd_for = Module["_php_pollfd_for"] = wasmExports["qb"])(a0, a1, a2); - function invoke_ii(index, a1) { - var sp = stackSave(); - try { - return dynCall_ii(index, a1); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _htons = a0 => (_htons = wasmExports["rb"])(a0); - function invoke_viii(index, a1, a2, a3) { - var sp = stackSave(); - try { - dynCall_viii(index, a1, a2, a3); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _ntohs = a0 => (_ntohs = wasmExports["sb"])(a0); - function invoke_v(index) { - var sp = stackSave(); - try { - dynCall_v(index); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _htonl = a0 => (_htonl = wasmExports["tb"])(a0); - function invoke_iii(index, a1, a2) { - var sp = stackSave(); - try { - return dynCall_iii(index, a1, a2); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_sleep = Module["_wasm_sleep"] = a0 => (_wasm_sleep = Module["_wasm_sleep"] = wasmExports["ub"])(a0); - function invoke_i(index) { - var sp = stackSave(); - try { - return dynCall_i(index); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _fflush = a0 => (_fflush = wasmExports["vb"])(a0); - function invoke_viiii(index, a1, a2, a3, a4) { - var sp = stackSave(); - try { - dynCall_viiii(index, a1, a2, a3, a4); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_read = Module["_wasm_read"] = (a0, a1, a2) => (_wasm_read = Module["_wasm_read"] = wasmExports["wb"])(a0, a1, a2); - function invoke_viiiii(index, a1, a2, a3, a4, a5) { - var sp = stackSave(); - try { - dynCall_viiiii(index, a1, a2, a3, a4, a5); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var ___wrap_select = Module["___wrap_select"] = (a0, a1, a2, a3, a4) => (___wrap_select = Module["___wrap_select"] = wasmExports["xb"])(a0, a1, a2, a3, a4); - function invoke_iiiiii(index, a1, a2, a3, a4, a5) { - var sp = stackSave(); - try { - return dynCall_iiiiii(index, a1, a2, a3, a4, a5); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_sapi_name = Module["_wasm_set_sapi_name"] = a0 => (_wasm_set_sapi_name = Module["_wasm_set_sapi_name"] = wasmExports["yb"])(a0); - function invoke_iiiii(index, a1, a2, a3, a4) { - var sp = stackSave(); - try { - return dynCall_iiiii(index, a1, a2, a3, a4); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_phpini_path = Module["_wasm_set_phpini_path"] = a0 => (_wasm_set_phpini_path = Module["_wasm_set_phpini_path"] = wasmExports["zb"])(a0); - function invoke_iiiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9) { - var sp = stackSave(); - try { - return dynCall_iiiiiiiiii( - index, - a1, - a2, - a3, - a4, - a5, - a6, - a7, - a8, - a9 - ); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_add_cli_arg = Module["_wasm_add_cli_arg"] = a0 => (_wasm_add_cli_arg = Module["_wasm_add_cli_arg"] = wasmExports["Ab"])(a0); - function invoke_jii(index, a1, a2) { - var sp = stackSave(); - try { - return dynCall_jii(index, a1, a2); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - return 0n; - } - } +var _run_cli = Module["_run_cli"] = () => (_run_cli = Module["_run_cli"] = wasmExports["Bb"])(); - function invoke_vji(index, a1, a2) { - var sp = stackSave(); - try { - dynCall_vji(index, a1, a2); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_add_SERVER_entry = Module["_wasm_add_SERVER_entry"] = (a0, a1) => (_wasm_add_SERVER_entry = Module["_wasm_add_SERVER_entry"] = wasmExports["Cb"])(a0, a1); - function invoke_viijii(index, a1, a2, a3, a4, a5) { - var sp = stackSave(); - try { - dynCall_viijii(index, a1, a2, a3, a4, a5); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_add_ENV_entry = Module["_wasm_add_ENV_entry"] = (a0, a1) => (_wasm_add_ENV_entry = Module["_wasm_add_ENV_entry"] = wasmExports["Db"])(a0, a1); - function invoke_viidii(index, a1, a2, a3, a4, a5) { - var sp = stackSave(); - try { - dynCall_viidii(index, a1, a2, a3, a4, a5); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_query_string = Module["_wasm_set_query_string"] = a0 => (_wasm_set_query_string = Module["_wasm_set_query_string"] = wasmExports["Eb"])(a0); - function invoke_viiiiii(index, a1, a2, a3, a4, a5, a6) { - var sp = stackSave(); - try { - dynCall_viiiiii(index, a1, a2, a3, a4, a5, a6); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_path_translated = Module["_wasm_set_path_translated"] = a0 => (_wasm_set_path_translated = Module["_wasm_set_path_translated"] = wasmExports["Fb"])(a0); - function invoke_jiii(index, a1, a2, a3) { - var sp = stackSave(); - try { - return dynCall_jiii(index, a1, a2, a3); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - return 0n; - } - } +var _wasm_set_skip_shebang = Module["_wasm_set_skip_shebang"] = a0 => (_wasm_set_skip_shebang = Module["_wasm_set_skip_shebang"] = wasmExports["Gb"])(a0); - function invoke_viiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9) { - var sp = stackSave(); - try { - dynCall_viiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_request_uri = Module["_wasm_set_request_uri"] = a0 => (_wasm_set_request_uri = Module["_wasm_set_request_uri"] = wasmExports["Hb"])(a0); - function invoke_iijii(index, a1, a2, a3, a4) { - var sp = stackSave(); - try { - return dynCall_iijii(index, a1, a2, a3, a4); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_request_method = Module["_wasm_set_request_method"] = a0 => (_wasm_set_request_method = Module["_wasm_set_request_method"] = wasmExports["Ib"])(a0); - function invoke_iijiji(index, a1, a2, a3, a4, a5) { - var sp = stackSave(); - try { - return dynCall_iijiji(index, a1, a2, a3, a4, a5); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_request_host = Module["_wasm_set_request_host"] = a0 => (_wasm_set_request_host = Module["_wasm_set_request_host"] = wasmExports["Jb"])(a0); - function invoke_iiiiiiii(index, a1, a2, a3, a4, a5, a6, a7) { - var sp = stackSave(); - try { - return dynCall_iiiiiiii(index, a1, a2, a3, a4, a5, a6, a7); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_content_type = Module["_wasm_set_content_type"] = a0 => (_wasm_set_content_type = Module["_wasm_set_content_type"] = wasmExports["Kb"])(a0); - function invoke_iiji(index, a1, a2, a3) { - var sp = stackSave(); - try { - return dynCall_iiji(index, a1, a2, a3); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_request_body = Module["_wasm_set_request_body"] = a0 => (_wasm_set_request_body = Module["_wasm_set_request_body"] = wasmExports["Lb"])(a0); - function invoke_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7) { - var sp = stackSave(); - try { - dynCall_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7); - } catch (e) { - stackRestore(sp); - if (e !== e + 0) throw e; - _setThrew(1, 0); - } - } +var _wasm_set_content_length = Module["_wasm_set_content_length"] = a0 => (_wasm_set_content_length = Module["_wasm_set_content_length"] = wasmExports["Mb"])(a0); - // include: postamble.js - // === Auto-generated postamble setup entry stuff === - Module['addRunDependency'] = addRunDependency; - - Module['removeRunDependency'] = removeRunDependency; - - Module['wasmExports'] = wasmExports; - - Module['ccall'] = ccall; - - Module['FS_createPreloadedFile'] = FS_createPreloadedFile; - - Module['FS_unlink'] = FS_unlink; - - Module['FS_createPath'] = FS_createPath; - - Module['FS_createDevice'] = FS_createDevice; - - Module['FS_createDataFile'] = FS_createDataFile; - - Module['FS_createLazyFile'] = FS_createLazyFile; - - Module['PROXYFS'] = PROXYFS; - - function run() { - if (runDependencies > 0) { - dependenciesFulfilled = run; - return; - } - preRun(); - // a preRun added a dependency, run will be called later - if (runDependencies > 0) { - dependenciesFulfilled = run; - return; - } - function doRun() { - // run may have just been called through dependencies being fulfilled just in this very frame, - // or while the async setStatus time below was happening - Module['calledRun'] = true; - if (ABORT) return; - initRuntime(); - Module['onRuntimeInitialized']?.(); - postRun(); - } - if (Module['setStatus']) { - Module['setStatus']('Running...'); - setTimeout(() => { - setTimeout(() => Module['setStatus'](''), 1); - doRun(); - }, 1); - } else { - doRun(); - } - } +var _wasm_set_cookies = Module["_wasm_set_cookies"] = a0 => (_wasm_set_cookies = Module["_wasm_set_cookies"] = wasmExports["Nb"])(a0); - if (Module['preInit']) { - if (typeof Module['preInit'] == 'function') - Module['preInit'] = [Module['preInit']]; - while (Module['preInit'].length > 0) { - Module['preInit'].pop()(); - } - } +var _wasm_set_request_port = Module["_wasm_set_request_port"] = a0 => (_wasm_set_request_port = Module["_wasm_set_request_port"] = wasmExports["Ob"])(a0); - run(); - /** - * Emscripten resolves `localhost` to a random IP address. Let's - * make it always resolve to 127.0.0.1. - */ - DNS.address_map.addrs.localhost = '127.0.0.1'; - - /** - * Debugging Asyncify errors is tricky because the stack trace is lost when the - * error is thrown. This code saves the stack trace in a global variable - * so that it can be inspected later. - */ - PHPLoader.debug = 'debug' in PHPLoader ? PHPLoader.debug : true; - if (PHPLoader.debug && typeof Asyncify !== 'undefined') { - const originalHandleSleep = Asyncify.handleSleep; - Asyncify.handleSleep = function (startAsync) { - if (!ABORT) { - Module['lastAsyncifyStackSource'] = new Error(); - } - return originalHandleSleep(startAsync); - }; - } +var _wasm_sapi_request_shutdown = Module["_wasm_sapi_request_shutdown"] = () => (_wasm_sapi_request_shutdown = Module["_wasm_sapi_request_shutdown"] = wasmExports["Pb"])(); + +var _wasm_sapi_handle_request = Module["_wasm_sapi_handle_request"] = () => (_wasm_sapi_handle_request = Module["_wasm_sapi_handle_request"] = wasmExports["Qb"])(); + +var _php_wasm_init = Module["_php_wasm_init"] = () => (_php_wasm_init = Module["_php_wasm_init"] = wasmExports["Rb"])(); + +var _wasm_free = Module["_wasm_free"] = a0 => (_wasm_free = Module["_wasm_free"] = wasmExports["Sb"])(a0); + +var ___funcs_on_exit = () => (___funcs_on_exit = wasmExports["Tb"])(); + +var _emscripten_builtin_memalign = (a0, a1) => (_emscripten_builtin_memalign = wasmExports["Ub"])(a0, a1); + +var __emscripten_timeout = (a0, a1) => (__emscripten_timeout = wasmExports["Vb"])(a0, a1); + +var _setThrew = (a0, a1) => (_setThrew = wasmExports["Wb"])(a0, a1); + +var __emscripten_stack_restore = a0 => (__emscripten_stack_restore = wasmExports["Xb"])(a0); + +var __emscripten_stack_alloc = a0 => (__emscripten_stack_alloc = wasmExports["Yb"])(a0); + +var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports["Zb"])(); + +var dynCall_iiii = Module["dynCall_iiii"] = (a0, a1, a2, a3) => (dynCall_iiii = Module["dynCall_iiii"] = wasmExports["_b"])(a0, a1, a2, a3); + +var dynCall_ii = Module["dynCall_ii"] = (a0, a1) => (dynCall_ii = Module["dynCall_ii"] = wasmExports["$b"])(a0, a1); + +var dynCall_vi = Module["dynCall_vi"] = (a0, a1) => (dynCall_vi = Module["dynCall_vi"] = wasmExports["ac"])(a0, a1); + +var dynCall_vii = Module["dynCall_vii"] = (a0, a1, a2) => (dynCall_vii = Module["dynCall_vii"] = wasmExports["bc"])(a0, a1, a2); + +var dynCall_viiiii = Module["dynCall_viiiii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_viiiii = Module["dynCall_viiiii"] = wasmExports["cc"])(a0, a1, a2, a3, a4, a5); + +var dynCall_iii = Module["dynCall_iii"] = (a0, a1, a2) => (dynCall_iii = Module["dynCall_iii"] = wasmExports["dc"])(a0, a1, a2); + +var dynCall_iiiii = Module["dynCall_iiiii"] = (a0, a1, a2, a3, a4) => (dynCall_iiiii = Module["dynCall_iiiii"] = wasmExports["ec"])(a0, a1, a2, a3, a4); + +var dynCall_iiiiii = Module["dynCall_iiiiii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_iiiiii = Module["dynCall_iiiiii"] = wasmExports["fc"])(a0, a1, a2, a3, a4, a5); + +var dynCall_viii = Module["dynCall_viii"] = (a0, a1, a2, a3) => (dynCall_viii = Module["dynCall_viii"] = wasmExports["gc"])(a0, a1, a2, a3); + +var dynCall_iij = Module["dynCall_iij"] = (a0, a1, a2) => (dynCall_iij = Module["dynCall_iij"] = wasmExports["hc"])(a0, a1, a2); + +var dynCall_v = Module["dynCall_v"] = a0 => (dynCall_v = Module["dynCall_v"] = wasmExports["ic"])(a0); + +var dynCall_i = Module["dynCall_i"] = a0 => (dynCall_i = Module["dynCall_i"] = wasmExports["jc"])(a0); + +var dynCall_viiii = Module["dynCall_viiii"] = (a0, a1, a2, a3, a4) => (dynCall_viiii = Module["dynCall_viiii"] = wasmExports["kc"])(a0, a1, a2, a3, a4); + +var dynCall_iiiiiii = Module["dynCall_iiiiiii"] = (a0, a1, a2, a3, a4, a5, a6) => (dynCall_iiiiiii = Module["dynCall_iiiiiii"] = wasmExports["lc"])(a0, a1, a2, a3, a4, a5, a6); + +var dynCall_iijii = Module["dynCall_iijii"] = (a0, a1, a2, a3, a4) => (dynCall_iijii = Module["dynCall_iijii"] = wasmExports["mc"])(a0, a1, a2, a3, a4); + +var dynCall_jii = Module["dynCall_jii"] = (a0, a1, a2) => (dynCall_jii = Module["dynCall_jii"] = wasmExports["nc"])(a0, a1, a2); + +var dynCall_jiii = Module["dynCall_jiii"] = (a0, a1, a2, a3) => (dynCall_jiii = Module["dynCall_jiii"] = wasmExports["oc"])(a0, a1, a2, a3); + +var dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) => (dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = wasmExports["pc"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); + +var dynCall_viiiiiii = Module["dynCall_viiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7) => (dynCall_viiiiiii = Module["dynCall_viiiiiii"] = wasmExports["qc"])(a0, a1, a2, a3, a4, a5, a6, a7); + +var dynCall_viiiiii = Module["dynCall_viiiiii"] = (a0, a1, a2, a3, a4, a5, a6) => (dynCall_viiiiii = Module["dynCall_viiiiii"] = wasmExports["rc"])(a0, a1, a2, a3, a4, a5, a6); + +var dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7) => (dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = wasmExports["sc"])(a0, a1, a2, a3, a4, a5, a6, a7); + +var dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) => (dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = wasmExports["tc"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); + +var dynCall_iiji = Module["dynCall_iiji"] = (a0, a1, a2, a3) => (dynCall_iiji = Module["dynCall_iiji"] = wasmExports["uc"])(a0, a1, a2, a3); + +var dynCall_viijii = Module["dynCall_viijii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_viijii = Module["dynCall_viijii"] = wasmExports["vc"])(a0, a1, a2, a3, a4, a5); + +var dynCall_iijiji = Module["dynCall_iijiji"] = (a0, a1, a2, a3, a4, a5) => (dynCall_iijiji = Module["dynCall_iijiji"] = wasmExports["wc"])(a0, a1, a2, a3, a4, a5); + +var dynCall_vji = Module["dynCall_vji"] = (a0, a1, a2) => (dynCall_vji = Module["dynCall_vji"] = wasmExports["xc"])(a0, a1, a2); + +var dynCall_viidii = Module["dynCall_viidii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_viidii = Module["dynCall_viidii"] = wasmExports["yc"])(a0, a1, a2, a3, a4, a5); + +var _asyncify_start_unwind = a0 => (_asyncify_start_unwind = wasmExports["zc"])(a0); + +var _asyncify_stop_unwind = () => (_asyncify_stop_unwind = wasmExports["Ac"])(); + +var _asyncify_start_rewind = a0 => (_asyncify_start_rewind = wasmExports["Bc"])(a0); + +var _asyncify_stop_rewind = () => (_asyncify_stop_rewind = wasmExports["Cc"])(); + +function invoke_iiiiiii(index, a1, a2, a3, a4, a5, a6) { + var sp = stackSave(); + try { + return dynCall_iiiiiii(index, a1, a2, a3, a4, a5, a6); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vi(index, a1) { + var sp = stackSave(); + try { + dynCall_vi(index, a1); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiii(index, a1, a2, a3) { + var sp = stackSave(); + try { + return dynCall_iiii(index, a1, a2, a3); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iij(index, a1, a2) { + var sp = stackSave(); + try { + return dynCall_iij(index, a1, a2); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vii(index, a1, a2) { + var sp = stackSave(); + try { + dynCall_vii(index, a1, a2); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_ii(index, a1) { + var sp = stackSave(); + try { + return dynCall_ii(index, a1); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viii(index, a1, a2, a3) { + var sp = stackSave(); + try { + dynCall_viii(index, a1, a2, a3); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_v(index) { + var sp = stackSave(); + try { + dynCall_v(index); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iii(index, a1, a2) { + var sp = stackSave(); + try { + return dynCall_iii(index, a1, a2); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_i(index) { + var sp = stackSave(); + try { + return dynCall_i(index); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiii(index, a1, a2, a3, a4) { + var sp = stackSave(); + try { + dynCall_viiii(index, a1, a2, a3, a4); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiii(index, a1, a2, a3, a4, a5) { + var sp = stackSave(); + try { + dynCall_viiiii(index, a1, a2, a3, a4, a5); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiii(index, a1, a2, a3, a4, a5) { + var sp = stackSave(); + try { + return dynCall_iiiiii(index, a1, a2, a3, a4, a5); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiii(index, a1, a2, a3, a4) { + var sp = stackSave(); + try { + return dynCall_iiiii(index, a1, a2, a3, a4); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9) { + var sp = stackSave(); + try { + return dynCall_iiiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_jii(index, a1, a2) { + var sp = stackSave(); + try { + return dynCall_jii(index, a1, a2); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + return 0n; + } +} + +function invoke_vji(index, a1, a2) { + var sp = stackSave(); + try { + dynCall_vji(index, a1, a2); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viijii(index, a1, a2, a3, a4, a5) { + var sp = stackSave(); + try { + dynCall_viijii(index, a1, a2, a3, a4, a5); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viidii(index, a1, a2, a3, a4, a5) { + var sp = stackSave(); + try { + dynCall_viidii(index, a1, a2, a3, a4, a5); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiii(index, a1, a2, a3, a4, a5, a6) { + var sp = stackSave(); + try { + dynCall_viiiiii(index, a1, a2, a3, a4, a5, a6); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_jiii(index, a1, a2, a3) { + var sp = stackSave(); + try { + return dynCall_jiii(index, a1, a2, a3); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + return 0n; + } +} + +function invoke_viiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9) { + var sp = stackSave(); + try { + dynCall_viiiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8, a9); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iijii(index, a1, a2, a3, a4) { + var sp = stackSave(); + try { + return dynCall_iijii(index, a1, a2, a3, a4); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iijiji(index, a1, a2, a3, a4, a5) { + var sp = stackSave(); + try { + return dynCall_iijiji(index, a1, a2, a3, a4, a5); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiii(index, a1, a2, a3, a4, a5, a6, a7) { + var sp = stackSave(); + try { + return dynCall_iiiiiiii(index, a1, a2, a3, a4, a5, a6, a7); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiji(index, a1, a2, a3) { + var sp = stackSave(); + try { + return dynCall_iiji(index, a1, a2, a3); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7) { + var sp = stackSave(); + try { + dynCall_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7); + } catch (e) { + stackRestore(sp); + if (e !== e + 0) throw e; + _setThrew(1, 0); + } +} + +// include: postamble.js +// === Auto-generated postamble setup entry stuff === +Module["addRunDependency"] = addRunDependency; + +Module["removeRunDependency"] = removeRunDependency; + +Module["wasmExports"] = wasmExports; + +Module["ccall"] = ccall; + +Module["FS_createPreloadedFile"] = FS_createPreloadedFile; + +Module["FS_unlink"] = FS_unlink; + +Module["FS_createPath"] = FS_createPath; + +Module["FS_createDevice"] = FS_createDevice; + +Module["FS_createDataFile"] = FS_createDataFile; + +Module["FS_createLazyFile"] = FS_createLazyFile; + +Module["PROXYFS"] = PROXYFS; + +function run() { + if (runDependencies > 0) { + dependenciesFulfilled = run; + return; + } + preRun(); + // a preRun added a dependency, run will be called later + if (runDependencies > 0) { + dependenciesFulfilled = run; + return; + } + function doRun() { + // run may have just been called through dependencies being fulfilled just in this very frame, + // or while the async setStatus time below was happening + Module["calledRun"] = true; + if (ABORT) return; + initRuntime(); + Module["onRuntimeInitialized"]?.(); + postRun(); + } + if (Module["setStatus"]) { + Module["setStatus"]("Running..."); + setTimeout(() => { + setTimeout(() => Module["setStatus"](""), 1); + doRun(); + }, 1); + } else { + doRun(); + } +} + +if (Module["preInit"]) { + if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ]; + while (Module["preInit"].length > 0) { + Module["preInit"].pop()(); + } +} + +run(); +/** + * Emscripten resolves `localhost` to a random IP address. Let's + * make it always resolve to 127.0.0.1. + */ +DNS.address_map.addrs.localhost = '127.0.0.1'; + +/** + * Debugging Asyncify errors is tricky because the stack trace is lost when the + * error is thrown. This code saves the stack trace in a global variable + * so that it can be inspected later. + */ +PHPLoader.debug = 'debug' in PHPLoader ? PHPLoader.debug : true; +if (PHPLoader.debug && typeof Asyncify !== "undefined") { + const originalHandleSleep = Asyncify.handleSleep; + Asyncify.handleSleep = function (startAsync) { + if (!ABORT) { + Module["lastAsyncifyStackSource"] = new Error(); + } + return originalHandleSleep(startAsync); + } +} + +/** + * Data dependencies call removeRunDependency() when they are loaded. + * The synchronous call stack then continues to run. If an error occurs + * in PHP initialization, e.g. Out Of Memory error, it will not be + * caught by any try/catch. This override propagates the failure to + * PHPLoader.onAbort() so that it can be handled. + */ +const originalRemoveRunDependency = PHPLoader['removeRunDependency']; +PHPLoader['removeRunDependency'] = function (...args) { + try { + originalRemoveRunDependency(...args); + } catch (e) { + PHPLoader['onAbort'](e); + } +} + +/** + * Other exports live in the Dockerfile in: + * + * * EXPORTED_RUNTIME_METHODS + * * EXPORTED_FUNCTIONS + * + * These exports, however, live in here because: + * + * * Listing them in EXPORTED_RUNTIME_METHODS doesn't actually + * export them. This could be a bug in Emscripten or a consequence of + * that option being deprecated. + * * Listing them in EXPORTED_FUNCTIONS works, but they are overridden + * on every `BasePHP.run()` call. This is a problem because we want to + * spy on these calls in some unit tests. + * + * Therefore, we export them here. + */ +PHPLoader['malloc'] = _malloc; +PHPLoader['free'] = typeof _free === 'function' ? _free : PHPLoader['_wasm_free']; + +return PHPLoader; - /** - * Data dependencies call removeRunDependency() when they are loaded. - * The synchronous call stack then continues to run. If an error occurs - * in PHP initialization, e.g. Out Of Memory error, it will not be - * caught by any try/catch. This override propagates the failure to - * PHPLoader.onAbort() so that it can be handled. - */ - const originalRemoveRunDependency = PHPLoader['removeRunDependency']; - PHPLoader['removeRunDependency'] = function (...args) { - try { - originalRemoveRunDependency(...args); - } catch (e) { - PHPLoader['onAbort'](e); - } - }; - - /** - * Other exports live in the Dockerfile in: - * - * * EXPORTED_RUNTIME_METHODS - * * EXPORTED_FUNCTIONS - * - * These exports, however, live in here because: - * - * * Listing them in EXPORTED_RUNTIME_METHODS doesn't actually - * export them. This could be a bug in Emscripten or a consequence of - * that option being deprecated. - * * Listing them in EXPORTED_FUNCTIONS works, but they are overridden - * on every `BasePHP.run()` call. This is a problem because we want to - * spy on these calls in some unit tests. - * - * Therefore, we export them here. - */ - PHPLoader['malloc'] = _malloc; - PHPLoader['free'] = - typeof _free === 'function' ? _free : PHPLoader['_wasm_free']; - - return PHPLoader; - - // Close the opening bracket from esm-prefix.js: +// Close the opening bracket from esm-prefix.js: } diff --git a/packages/php-wasm/node/asyncify/php_8_4.js b/packages/php-wasm/node/asyncify/php_8_4.js index 73a3e620899..18d038074f7 100644 --- a/packages/php-wasm/node/asyncify/php_8_4.js +++ b/packages/php-wasm/node/asyncify/php_8_4.js @@ -7088,7 +7088,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7391,14 +7413,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_7_2.js b/packages/php-wasm/node/jspi/php_7_2.js index 59cc6728e63..b979e4aa8ff 100644 --- a/packages/php-wasm/node/jspi/php_7_2.js +++ b/packages/php-wasm/node/jspi/php_7_2.js @@ -7006,7 +7006,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7309,14 +7331,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_7_3.js b/packages/php-wasm/node/jspi/php_7_3.js index 162833768c7..04618f83772 100644 --- a/packages/php-wasm/node/jspi/php_7_3.js +++ b/packages/php-wasm/node/jspi/php_7_3.js @@ -7006,7 +7006,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7309,14 +7331,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_7_4.js b/packages/php-wasm/node/jspi/php_7_4.js index 4f1f5b40cea..501a7503c23 100644 --- a/packages/php-wasm/node/jspi/php_7_4.js +++ b/packages/php-wasm/node/jspi/php_7_4.js @@ -7006,7 +7006,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7309,14 +7331,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_8_0.js b/packages/php-wasm/node/jspi/php_8_0.js index c3238250a9b..84eddcdb9ac 100644 --- a/packages/php-wasm/node/jspi/php_8_0.js +++ b/packages/php-wasm/node/jspi/php_8_0.js @@ -7024,7 +7024,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7327,14 +7349,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_8_1.js b/packages/php-wasm/node/jspi/php_8_1.js index 6627c30005a..f4222a9e2e0 100644 --- a/packages/php-wasm/node/jspi/php_8_1.js +++ b/packages/php-wasm/node/jspi/php_8_1.js @@ -7052,7 +7052,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7355,14 +7377,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_8_2.js b/packages/php-wasm/node/jspi/php_8_2.js index 203bbfe333f..f9a80e50ec7 100644 --- a/packages/php-wasm/node/jspi/php_8_2.js +++ b/packages/php-wasm/node/jspi/php_8_2.js @@ -7054,7 +7054,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7357,14 +7379,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_8_3.js b/packages/php-wasm/node/jspi/php_8_3.js index 7141f2047d7..c58c80bd0a6 100644 --- a/packages/php-wasm/node/jspi/php_8_3.js +++ b/packages/php-wasm/node/jspi/php_8_3.js @@ -7054,7 +7054,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7357,14 +7379,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/jspi/php_8_4.js b/packages/php-wasm/node/jspi/php_8_4.js index 098fc8201c3..056b5a841d6 100644 --- a/packages/php-wasm/node/jspi/php_8_4.js +++ b/packages/php-wasm/node/jspi/php_8_4.js @@ -7054,7 +7054,29 @@ export function init(RuntimeName, PHPLoader) { }; PHPWASM.child_proc_by_fd = {}; PHPWASM.child_proc_by_pid = {}; + PHPWASM.input_devices = {}; + const originalWrite = TTY.stream_ops.write; + TTY.stream_ops.write = function (stream, ...rest) { + const retval = originalWrite(stream, ...rest); + // Implicit flush since PHP's fflush() doesn't seem to trigger the fsync event + // @TODO: Fix this at the wasm level + stream.tty.ops.fsync(stream.tty); + return retval; + }; + const originalPutChar = TTY.stream_ops.put_char; + TTY.stream_ops.put_char = function (tty, val) { + /** + * Buffer newlines that Emscripten normally ignores. + * + * Emscripten doesn't do it by default because its default + * print function is console.log that implicitly adds a newline. We are overwriting + * it with an environment-specific function that outputs exaclty what it was given, + * e.g. in Node.js it's process.stdout.write(). Therefore, we need to mak sure + * all the newlines make it to the output buffer. + */ if (val === 10) tty.output.push(val); + return originalPutChar(tty, val); + }; }, getAllWebSockets: function (sock) { const webSockets = new Set(); @@ -7357,14 +7379,57 @@ export function init(RuntimeName, PHPLoader) { * the process has already been spawned. We can only listen * to the 'spawn' event and if it has already been spawned, * listen to the 'exit' event. - */ try { + */ + try { await new Promise((resolve, reject) => { - cp.on('spawn', resolve); - cp.on('error', reject); + /** + * There was no `await` between the `spawnProcess` call + * and the `await` below so the process haven't had a chance + * to run any of the exit-related callbacks yet. + * + * Good. + * + * Let's listen to all the lifecycle events and resolve + * the promise when the process starts or immediately crashes. + */ + let resolved = false; + cp.on('spawn', () => { + if (resolved) return; + resolved = true; + resolve(); + }); + cp.on('error', (e) => { + if (resolved) return; + resolved = true; + reject(e); + }); + cp.on('exit', function (code) { + if (resolved) return; + resolved = true; + if (code === 0) { + resolve(); + } else { + reject( + new Error(`Process exited with code ${code}`) + ); + } + }); + /** + * If the process haven't even started after 5 seconds, something + * is wrong. Perhaps we're missing an event listener, or perhaps + * the `spawnProcess` implementation failed to dispatch the relevant + * event. Either way, let's crash to avoid blocking the proc_open() + * call indefinitely. + */ + setTimeout(() => { + if (resolved) return; + resolved = true; + reject(new Error('Process timed out')); + }, 5000); }); } catch (e) { console.error(e); - wakeUp(1); + wakeUp(ProcInfo.pid); return; } // Now we want to pass data from the STDIN source supplied by PHP diff --git a/packages/php-wasm/node/src/lib/use-host-filesystem.ts b/packages/php-wasm/node/src/lib/use-host-filesystem.ts index 33f02429d4b..a38c859e0de 100644 --- a/packages/php-wasm/node/src/lib/use-host-filesystem.ts +++ b/packages/php-wasm/node/src/lib/use-host-filesystem.ts @@ -1,4 +1,5 @@ import type { PHP } from '@php-wasm/universal'; +import type { Stats } from 'node:fs'; import { lstatSync, readdirSync } from 'node:fs'; import { createNodeFsMountHandler } from './node-fs-mount'; @@ -16,7 +17,26 @@ export function useHostFilesystem(php: PHP) { */ .filter((file) => file !== 'dev') .map((file) => `/${file}`) - .filter((file) => lstatSync(file).isDirectory()); + .filter((file) => { + try { + /** + * We need to follow the symlink before deciding whether a + * path is a directory. + * + * For example, on Mac, the top level /var directory is a symlink + * to /private/var. If we don't follow the symlink, we won't mount + * it and PHP will use a separate, VFS-scoped /var directory. This, + * in turn, will break the following use-case: + * + * * PHP.wasm writes a PHP script to a temporary directory in + * /private/var/folders/.../T/ in the host filesystem. + * * PHP.wasm calls proc_open() to execute the script in the host filesystem. + */ + return statPathFollowSymlinks(file).isDirectory(); + } catch { + return false; + } + }); for (const dir of dirs) { if (!php.fileExists(dir)) { php.mkdirTree(dir); @@ -25,3 +45,32 @@ export function useHostFilesystem(php: PHP) { } php.chdir(process.cwd()); } + +/** + * @param path The path to the file or symlink to stat. + * @returns The stats of the file or symlink target. + */ +function statPathFollowSymlinks(path: string): Stats { + let stat = lstatSync(path); + if (stat.isSymbolicLink()) { + // Follow symlinks recursively to check if the target is a directory + const fs = require('fs'); + let target = path; + const seen = new Set(); + while (true) { + if (seen.has(target)) { + // Detected a symlink loop + throw new Error(`Symlink loop detected: ${path}`); + } + seen.add(target); + const linkStat = lstatSync(target); + if (linkStat.isSymbolicLink()) { + target = fs.realpathSync(target); + continue; + } + stat = linkStat; + break; + } + } + return stat; +} diff --git a/packages/php-wasm/util/src/lib/index.ts b/packages/php-wasm/util/src/lib/index.ts index 961d5ac5410..642548a5d63 100644 --- a/packages/php-wasm/util/src/lib/index.ts +++ b/packages/php-wasm/util/src/lib/index.ts @@ -14,3 +14,19 @@ export { randomString } from './random-string'; export { randomFilename } from './random-filename'; export * from './php-vars'; + +export function concatUint8Arrays(arrays: Uint8Array[]): Uint8Array { + let totalLength = 0; + arrays.forEach((a) => (totalLength += a.length)); + const result = new Uint8Array(totalLength); + let offset = 0; + arrays.forEach((a) => { + result.set(a, offset); + offset += a.length; + }); + return result; +} + +export function concatArrayBuffers(buffers: ArrayBuffer[]): ArrayBuffer { + return concatUint8Arrays(buffers.map((b) => new Uint8Array(b))).buffer; +} diff --git a/packages/php-wasm/web/src/lib/chunked-decoder.ts b/packages/php-wasm/web/src/lib/chunked-decoder.ts index 72342479aee..314449f5d10 100644 --- a/packages/php-wasm/web/src/lib/chunked-decoder.ts +++ b/packages/php-wasm/web/src/lib/chunked-decoder.ts @@ -1,4 +1,4 @@ -import { concatUint8Arrays } from './tls/utils'; +import { concatUint8Arrays } from '@php-wasm/util'; /** * A TransformStream that decodes HTTP chunked transfer encoding. diff --git a/packages/php-wasm/web/src/lib/tcp-over-fetch-websocket.ts b/packages/php-wasm/web/src/lib/tcp-over-fetch-websocket.ts index 2bd36fbd716..97f53bf1241 100644 --- a/packages/php-wasm/web/src/lib/tcp-over-fetch-websocket.ts +++ b/packages/php-wasm/web/src/lib/tcp-over-fetch-websocket.ts @@ -41,11 +41,11 @@ import { TLS_1_2_Connection } from './tls/1_2/connection'; import type { GeneratedCertificate } from './tls/certificates'; import { generateCertificate } from './tls/certificates'; -import { concatUint8Arrays } from './tls/utils'; import { ContentTypes } from './tls/1_2/types'; import { fetchWithCorsProxy } from './fetch-with-cors-proxy'; import { ChunkedDecoderStream } from './chunked-decoder'; import type { EmscriptenOptions } from '@php-wasm/universal'; +import { concatUint8Arrays } from '@php-wasm/util'; export type TCPOverFetchOptions = { CAroot: GeneratedCertificate; diff --git a/packages/php-wasm/web/src/lib/tls/1_2/connection.ts b/packages/php-wasm/web/src/lib/tls/1_2/connection.ts index ff814d3faeb..7855c8dfb41 100644 --- a/packages/php-wasm/web/src/lib/tls/1_2/connection.ts +++ b/packages/php-wasm/web/src/lib/tls/1_2/connection.ts @@ -1,14 +1,10 @@ +import { concatUint8Arrays } from '@php-wasm/util'; + import { ServerNameExtension } from '../extensions/0_server_name'; import { CipherSuitesNames } from '../cipher-suites'; import { CipherSuites } from '../cipher-suites'; import { parseClientHelloExtensions } from '../extensions/parse-extensions'; -import { - ArrayBufferReader, - as2Bytes, - as3Bytes, - as8Bytes, - concatUint8Arrays, -} from '../utils'; +import { ArrayBufferReader, as2Bytes, as3Bytes, as8Bytes } from '../utils'; import { HashAlgorithms, SignatureAlgorithms, diff --git a/packages/php-wasm/web/src/lib/tls/1_2/prf.ts b/packages/php-wasm/web/src/lib/tls/1_2/prf.ts index 1ab672d571a..5a357679052 100644 --- a/packages/php-wasm/web/src/lib/tls/1_2/prf.ts +++ b/packages/php-wasm/web/src/lib/tls/1_2/prf.ts @@ -1,4 +1,4 @@ -import { concatArrayBuffers } from '../utils'; +import { concatArrayBuffers } from '@php-wasm/util'; /** * Implements the TLS 1.2 PRF using HMAC-SHA256. diff --git a/packages/php-wasm/web/src/lib/tls/certificates.ts b/packages/php-wasm/web/src/lib/tls/certificates.ts index 573f50a356e..a5e65811eba 100644 --- a/packages/php-wasm/web/src/lib/tls/certificates.ts +++ b/packages/php-wasm/web/src/lib/tls/certificates.ts @@ -1,4 +1,4 @@ -import { concatUint8Arrays } from './utils'; +import { concatUint8Arrays } from '@php-wasm/util'; /** * Generates an X.509 certificate from the given description. diff --git a/packages/php-wasm/web/src/lib/tls/utils.ts b/packages/php-wasm/web/src/lib/tls/utils.ts index bbd93bf1e54..971c1f49114 100644 --- a/packages/php-wasm/web/src/lib/tls/utils.ts +++ b/packages/php-wasm/web/src/lib/tls/utils.ts @@ -2,22 +2,6 @@ export function flipObject(obj: Record) { return Object.fromEntries(Object.entries(obj).map(([k, v]) => [v, k])); } -export function concatUint8Arrays(arrays: Uint8Array[]): Uint8Array { - let totalLength = 0; - arrays.forEach((a) => (totalLength += a.length)); - const result = new Uint8Array(totalLength); - let offset = 0; - arrays.forEach((a) => { - result.set(a, offset); - offset += a.length; - }); - return result; -} - -export function concatArrayBuffers(buffers: ArrayBuffer[]): ArrayBuffer { - return concatUint8Arrays(buffers.map((b) => new Uint8Array(b))).buffer; -} - export function as2Bytes(value: number): Uint8Array { return new Uint8Array([(value >> 8) & 0xff, value & 0xff]); }