diff --git a/cmd/update.go b/cmd/update.go new file mode 100644 index 0000000..97675e6 --- /dev/null +++ b/cmd/update.go @@ -0,0 +1,60 @@ +// Copyright 2025 Sencillo +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package cmd + +import ( + "runtime" + "time" + + "github.com/SencilloDev/gupdate" + "github.com/briandowns/spinner" + "github.com/spf13/cobra" +) + +// updateCmd represents the update command +var updateCmd = &cobra.Command{ + Use: "update", + Short: "Updates regoround", + RunE: update, +} + +func init() { + rootCmd.AddCommand(updateCmd) +} + +func update(cmd *cobra.Command, args []string) error { + gh := gupdate.GitHubProject{ + Name: "regoround", + Owner: "SencilloDev", + Platform: runtime.GOOS, + Arch: runtime.GOARCH, + ChecksumFunc: gupdate.GoReleaserChecksum, + } + + s := spinner.New(spinner.CharSets[33], 100*time.Millisecond) + s.Suffix = " updating regoroundctl..." + s.Start() + release, err := gupdate.GetLatestRelease(gh) + if err != nil { + return err + } + + if err := release.Update(); err != nil { + return err + } + s.Stop() + + return nil +} diff --git a/go.mod b/go.mod index 7a97a58..39169b3 100644 --- a/go.mod +++ b/go.mod @@ -3,7 +3,9 @@ module github.com/SencilloDev/regoround go 1.24.1 require ( + github.com/SencilloDev/gupdate v0.0.0-20250416015622-a1ca4089901b github.com/SencilloDev/sencillo-go v1.1.0 + github.com/briandowns/spinner v1.23.0 github.com/nats-io/jsm.go v0.2.2 github.com/nats-io/nats.go v1.41.2 github.com/open-policy-agent/opa v1.4.2 @@ -12,6 +14,7 @@ require ( ) require ( + aead.dev/minisign v0.3.0 // indirect github.com/agnivade/levenshtein v1.2.1 // indirect github.com/beorn7/perks v1.0.1 // indirect github.com/cenkalti/backoff/v4 v4.3.0 // indirect @@ -19,6 +22,7 @@ require ( github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect github.com/dustin/go-humanize v1.0.1 // indirect github.com/expr-lang/expr v1.17.2 // indirect + github.com/fatih/color v1.17.0 // indirect github.com/felixge/httpsnoop v1.0.4 // indirect github.com/fsnotify/fsnotify v1.8.0 // indirect github.com/go-ini/ini v1.67.0 // indirect @@ -32,7 +36,10 @@ require ( github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect github.com/inconshreveable/mousetrap v1.1.0 // indirect github.com/klauspost/compress v1.18.0 // indirect + github.com/mattn/go-colorable v0.1.13 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect github.com/minio/highwayhash v1.0.3 // indirect + github.com/minio/selfupdate v0.6.0 // indirect github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect github.com/nats-io/jwt/v2 v2.7.3 // indirect github.com/nats-io/nats-server/v2 v2.11.1 // indirect @@ -72,6 +79,7 @@ require ( golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect golang.org/x/net v0.39.0 // indirect golang.org/x/sys v0.32.0 // indirect + golang.org/x/term v0.31.0 // indirect golang.org/x/text v0.24.0 // indirect golang.org/x/time v0.11.0 // indirect google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect diff --git a/go.sum b/go.sum index 81e1b0f..bbeb5a5 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,8 @@ +aead.dev/minisign v0.2.0/go.mod h1:zdq6LdSd9TbuSxchxwhpA9zEb9YXcVGoE8JakuiGaIQ= +aead.dev/minisign v0.3.0 h1:8Xafzy5PEVZqYDNP60yJHARlW1eOQtsKNp/Ph2c0vRA= +aead.dev/minisign v0.3.0/go.mod h1:NLvG3Uoq3skkRMDuc3YHpWUTMTrSExqm+Ij73W13F6Y= +github.com/SencilloDev/gupdate v0.0.0-20250416015622-a1ca4089901b h1:oawjufGcXpTlK8qoDXGVh1UG9jsNMDkRugS89dGA6tc= +github.com/SencilloDev/gupdate v0.0.0-20250416015622-a1ca4089901b/go.mod h1:dtkkwvjbLOIpc5HwE71ewy+AH5R5bDB9+ceube37f/Y= github.com/SencilloDev/sencillo-go v1.1.0 h1:nB7xBtNiCF5/jf+Qa/tbjM+pKdCsYW7vj06AEGC6lIg= github.com/SencilloDev/sencillo-go v1.1.0/go.mod h1:HtayJGRomeUE4Uc8Trycbt7l7dXwTPTpXIWlto9wN8c= github.com/agnivade/levenshtein v1.2.1 h1:EHBY3UOn1gwdy/VbFwgo4cxecRznFk7fKWN1KOX7eoM= @@ -8,6 +13,8 @@ github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/briandowns/spinner v1.23.0 h1:alDF2guRWqa/FOZZYWjlMIx2L6H0wyewPxo/CH4Pt2A= +github.com/briandowns/spinner v1.23.0/go.mod h1:rPG4gmXeN3wQV/TsAY4w8lPdIM6RX3yqeBQJSrbXjuE= github.com/bytecodealliance/wasmtime-go/v3 v3.0.2 h1:3uZCA/BLTIu+DqCfguByNMJa2HVHpXvjfy0Dy7g6fuA= github.com/bytecodealliance/wasmtime-go/v3 v3.0.2/go.mod h1:RnUjnIXxEJcL6BgCvNyzCCRzZcxCgsZCi+RNlvYor5Q= github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= @@ -29,6 +36,8 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto= github.com/expr-lang/expr v1.17.2 h1:o0A99O/Px+/DTjEnQiodAgOIK9PPxL8DtXhBRKC+Iso= github.com/expr-lang/expr v1.17.2/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4= +github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4= +github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI= github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw= @@ -75,10 +84,17 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc= github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw= +github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA= +github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg= +github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= +github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= +github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM= github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk= github.com/minio/highwayhash v1.0.3 h1:kbnuUMoHYyVl7szWjSxJnxw11k2U709jqFPPmIUyD6Q= github.com/minio/highwayhash v1.0.3/go.mod h1:GGYsuwP/fPD6Y9hMiXuapVvlIUEhFhMTh0rxU3ik1LQ= +github.com/minio/selfupdate v0.6.0 h1:i76PgT0K5xO9+hjzKcacQtO7+MjJ4JKA8Ak8XQ9DDwU= +github.com/minio/selfupdate v0.6.0/go.mod h1:bO02GTIPCMQFTEvE5h4DjYB58bCoZ35XLeBf0buTDdM= github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA= github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ= github.com/nats-io/jsm.go v0.2.2 h1:mjbAH1AbXFVd1JJqKnC8j7hc4BQw+Tjfayc0+q9nFFc= @@ -173,24 +189,44 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0= go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= +golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE= golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc= golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 h1:R84qjqJb5nVJMxqWYb3np9L5ZsaDtB+a39EqjV0JSUM= golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0/go.mod h1:S9Xr4PYopiDyqSyp5NjCrhFrqg6A5zA2E/iPHPhqnS8= golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU= golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww= +golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY= golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E= golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610= golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210228012217-479acdf4ea46/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20= golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k= +golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o= +golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0= golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU= golang.org/x/time v0.11.0 h1:/bpjEDfN9tkoN/ryeYHnv5hcMlc8ncjMcM4XBk5NWV0= golang.org/x/time v0.11.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.32.0 h1:Q7N1vhpkQv7ybVzLFtTjvQya2ewbwNDZzUgfXGqtMWU= golang.org/x/tools v0.32.0/go.mod h1:ZxrU41P/wAbZD8EDa6dDCa6XfpkhJ7HFMjHJXfBDu8s= google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a h1:nwKuGPlUAt+aR+pcrkfFRrTU1BVrSmYyYMxYbUIVHr0= diff --git a/vendor/aead.dev/minisign/.gitignore b/vendor/aead.dev/minisign/.gitignore new file mode 100644 index 0000000..66fd13c --- /dev/null +++ b/vendor/aead.dev/minisign/.gitignore @@ -0,0 +1,15 @@ +# Binaries for programs and plugins +*.exe +*.exe~ +*.dll +*.so +*.dylib + +# Test binary, built with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out + +# Dependency directories (remove the comment below to include it) +# vendor/ diff --git a/vendor/aead.dev/minisign/.golangci.yml b/vendor/aead.dev/minisign/.golangci.yml new file mode 100644 index 0000000..eb84221 --- /dev/null +++ b/vendor/aead.dev/minisign/.golangci.yml @@ -0,0 +1,34 @@ +linters-settings: + misspell: + locale: US + + staticcheck: + checks: ["all", "-SA1019"] + +linters: + disable-all: true + enable: + - durationcheck + - gocritic + - gofmt + - goimports + - gomodguard + - govet + - ineffassign + - misspell + - revive + - staticcheck + - tenv + - typecheck + - unconvert + - unused + +issues: + exclude-use-default: false + exclude: + - "package-comments: should have a package comment" + - "exitAfterDefer:" + - "captLocal:" + +service: + golangci-lint-version: 1.57.2 # use the fixed version to not introduce new linters unexpectedly diff --git a/vendor/aead.dev/minisign/LICENSE b/vendor/aead.dev/minisign/LICENSE new file mode 100644 index 0000000..694902a --- /dev/null +++ b/vendor/aead.dev/minisign/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2021 Andreas Auernhammer + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/aead.dev/minisign/Makefile b/vendor/aead.dev/minisign/Makefile new file mode 100644 index 0000000..c1cae93 --- /dev/null +++ b/vendor/aead.dev/minisign/Makefile @@ -0,0 +1,53 @@ +ifneq ($(shell go env GOBIN),) + GOBIN := $(shell go env GOBIN) +else + GOBIN := $(shell $(go env GOPATH)/bin) +endif + +.PHONY: build check release test lint update-tools + +build: + @mkdir -m 0755 -p ${GOBIN} + @CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -o ${GOBIN}/minisign ./cmd/minisign + +check: + @gofmt -d . && echo No formatting issue found. + @govulncheck ./... + +release: +ifneq ($(shell git status -s) , ) + @(echo "Repository contains modified files." && exit 1) +else + @echo -n Building minisign ${VERSION} for linux/amd64... + @GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -o ./minisign ./cmd/minisign + @tar -czf minisign-linux-amd64.tar.gz ./minisign ./LICENSE ./README.md + @echo " DONE." + + @echo -n Building minisign ${VERSION} for linux/arm64... + @GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -o ./minisign ./cmd/minisign + @tar -czf minisign-linux-arm64.tar.gz ./minisign ./LICENSE ./README.md + @echo " DONE." + + @echo -n Building minisign ${VERSION} for darwin/arm64... + @GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -o ./minisign ./cmd/minisign + @tar -czf minisign-darwin-arm64.tar.gz ./minisign ./LICENSE ./README.md + @echo " DONE." + + @echo -n Building minisign ${VERSION} for windows/amd64... + @GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "-s -w" -o ./minisign ./cmd/minisign + @zip -q minisign-windows-amd64.zip ./minisign ./LICENSE ./README.md + @echo " DONE." + + @rm ./minisign +endif + +test: + @CGO_ENABLED=0 go test -ldflags "-s -w" ./... + +lint: + @go vet ./... + @golangci-lint run --config ./.golangci.yml + +update-tools: + @CGO_ENABLED=0 go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest + @CGO_ENABLED=0 go install golang.org/x/vuln/cmd/govulncheck@latest diff --git a/vendor/aead.dev/minisign/README.md b/vendor/aead.dev/minisign/README.md new file mode 100644 index 0000000..ade9f31 --- /dev/null +++ b/vendor/aead.dev/minisign/README.md @@ -0,0 +1,128 @@ +[![Go Reference](https://pkg.go.dev/badge/aead.dev/minisign.svg)](https://pkg.go.dev/aead.dev/minisign) +![Github CI](https://github.com/aead/minisign/actions/workflows/go.yml/badge.svg?branch=main) +[![latest](https://badgen.net/github/tag/aead/minisign)](https://github.com/aead/minisign/releases/latest) + +# minisign + +minisign is a dead simple tool to sign files and verify signatures. + +``` +$ minisign -G +Please enter a password to protect the secret key. + +Enter Password: +Enter Password (one more time): +Deriving a key from the password in order to encrypt the secret key... done + +The secret key was saved as ~/.minisign/minisign.key - Keep it secret! +The public key was saved as minisign.pub - That one can be public. + +Files signed using this key pair can be verified with the following command: + +minisign -Vm -P RWSYKA736yqh+JrZ7cRDdWgck/WKtwW9ATBFmk8pQ1lHeUKXtV6uJ7Fu +``` +``` +$ minisign -Sm message.txt +Enter password: +Deriving a key from the password in order to decrypt the secret key... done +``` +``` +$ minisign -Vm message.txt +Signature and comment signature verified +Trusted comment: timestamp:1614718943 filename:message.txt +``` + +This is a Go implementation of the [original C implementation](https://github.com/jedisct1/minisign) by [Frank Denis](https://github.com/jedisct1). + +## Usage + +``` +Usage: + minisign -G [-p ] [-s ] [-W] + minisign -R [-s ] [-p ] + minisign -C [-s ] [-W] + minisign -S [-x ] [-s ] [-c ] [-t ] -m ... + minisign -V [-H] [-x ] [-p | -P ] [-o] [-q | -Q ] -m + +Options: + -G Generate a new public/secret key pair. + -R Re-create a public key file from a secret key. + -C Change or remove the password of the secret key. + -S Sign files with a secret key. + -V Verify files with a public key. + -m The file to sign or verify. + -o Combined with -V, output the file after verification. + -H Combined with -V, require a signature over a pre-hashed file. + -p Public key file (default: ./minisign.pub) + -P Public key as base64 string + -s Secret key file (default: $HOME/.minisign/minisign.key) + -W Do not encrypt/decrypt the secret key with a password. + -x Signature file (default: .minisig) + -c Add a one-line untrusted comment. + -t Add a one-line trusted comment. + -q Quiet mode. Suppress output. + -Q Pretty quiet mode. Combined with -V, only print the trusted comment. + -f Combined with -G or -R, overwrite any existing public/secret key pair. + -v Print version information. +``` + +## Installation + +With an up-to-date Go toolchain: +``` +go install aead.dev/minisign/cmd/minisign@latest +``` + +On windows, linux and macOS, you can also use the pre-built binaries: +| OS | ARCH | Latest Release | +|:---------:|:-------:|:-----------------------------------------------------------------------------------------------------------------------| +| Linux | amd64 | [minisign-linux-amd64.tar.gz](https://github.com/aead/minisign/releases/download/v0.3.0/minisign-linux-amd64.tar.gz) | +| Linux | arm64 | [minisign-linux-arm64.tar.gz](https://github.com/aead/minisign/releases/download/v0.3.0/minisign-linux-arm64.tar.gz) | +| MacOS | arm64 | [minisign-darwin-arm64.tar.gz](https://github.com/aead/minisign/releases/download/v0.3.0/minisign-darwin-arm64.tar.gz) | +| Windows | amd64 | [minisign-windows-amd64.zip](https://github.com/aead/minisign/releases/download/v0.3.0/minisign-windows-amd64.zip) | + +From source: +1. Clone the repository + ``` + git clone https://aead.dev/minisign && cd minisign + ``` +2. Build the binary + ``` + make build + ``` + +## Library + +```Go +import "aead.dev/minisign" +``` + +The following example generates a minisign public/private key pair, signs a message and verifies the message signature. + +```Go +package main + +import ( + "crypto/rand" + "log" + + "aead.dev/minisign" +) + +func main() { + var message = []byte("Hello World!") + + publicKey, privateKey, err := minisign.GenerateKey(rand.Reader) + if err != nil { + log.Fatalln(err) + } + + signature := minisign.Sign(privateKey, message) + + if !minisign.Verify(publicKey, message, signature) { + log.Fatalln("signature verification failed") + } + log.Println(string(message)) +} +``` +For more examples visit the package [documentation](https://pkg.go.dev/aead.dev/minisign). diff --git a/vendor/aead.dev/minisign/minisign.go b/vendor/aead.dev/minisign/minisign.go new file mode 100644 index 0000000..dd68ea5 --- /dev/null +++ b/vendor/aead.dev/minisign/minisign.go @@ -0,0 +1,218 @@ +// Copyright (c) 2021 Andreas Auernhammer. All rights reserved. +// Use of this source code is governed by a license that can be +// found in the LICENSE file. + +// Package minisign implements the minisign signature scheme. +package minisign + +import ( + "bytes" + "crypto/ed25519" + "encoding/binary" + "hash" + "io" + "strconv" + "strings" + "time" + + "golang.org/x/crypto/blake2b" +) + +const ( + // EdDSA refers to the Ed25519 signature scheme. + // + // Minisign uses this signature scheme to sign and + // verify (non-hashed) messages. + EdDSA uint16 = 0x6445 + + // HashEdDSA refers to a Ed25519 signature scheme + // with pre-hashed messages. + // + // Minisign uses this signature scheme to sign and + // verify message that don't fit into memory. + HashEdDSA uint16 = 0x4445 +) + +// GenerateKey generates a public/private key pair using entropy +// from random. If random is nil, crypto/rand.Reader will be used. +func GenerateKey(random io.Reader) (PublicKey, PrivateKey, error) { + pub, priv, err := ed25519.GenerateKey(random) + if err != nil { + return PublicKey{}, PrivateKey{}, err + } + + id := blake2b.Sum256(pub[:]) + publicKey := PublicKey{ + id: binary.LittleEndian.Uint64(id[:8]), + } + copy(publicKey.bytes[:], pub) + + privateKey := PrivateKey{ + id: publicKey.ID(), + } + copy(privateKey.bytes[:], priv) + + return publicKey, privateKey, nil +} + +// Reader is an io.Reader that reads a message +// while, at the same time, computes its digest. +// +// At any point, typically at the end of the message, +// Reader can sign the message digest with a private +// key or try to verify the message with a public key +// and signature. +type Reader struct { + message io.Reader + hash hash.Hash +} + +// NewReader returns a new Reader that reads from r +// and computes a digest of the read data. +func NewReader(r io.Reader) *Reader { + h, err := blake2b.New512(nil) + if err != nil { + panic(err) + } + return &Reader{ + message: r, + hash: h, + } +} + +// Read reads from the underlying io.Reader as specified +// by the io.Reader interface. +func (r *Reader) Read(p []byte) (int, error) { + n, err := r.message.Read(p) + r.hash.Write(p[:n]) + return n, err +} + +// Sign signs whatever has been read from the underlying +// io.Reader up to this point in time with the given private +// key. +// +// It behaves like SignWithComments but uses some generic comments. +func (r *Reader) Sign(privateKey PrivateKey) []byte { + var ( + trustedComment = "timestamp:" + strconv.FormatInt(time.Now().Unix(), 10) + untrustedComment = "signature from private key: " + strings.ToUpper(strconv.FormatUint(privateKey.ID(), 16)) + ) + return r.SignWithComments(privateKey, trustedComment, untrustedComment) +} + +// SignWithComments signs whatever has been read from the underlying +// io.Reader up to this point in time with the given private key. +// +// The trustedComment as well as the untrustedComment are embedded into the +// returned signature. The trustedComment is signed and will be checked +// when the signature is verified. The untrustedComment is not signed and +// must not be trusted. +// +// SignWithComments computes the digest as a snapshot. So, it is possible +// to create multiple signatures of different message prefixes by reading +// up to a certain byte, signing this message prefix, and then continue +// reading. +func (r *Reader) SignWithComments(privateKey PrivateKey, trustedComment, untrustedComment string) []byte { + const isHashed = true + return sign(privateKey, r.hash.Sum(nil), trustedComment, untrustedComment, isHashed) +} + +// Verify checks whether whatever has been read from the underlying +// io.Reader up to this point in time is authentic by verifying it +// with the given public key and signature. +// +// Verify computes the digest as a snapshot. Therefore, Verify can +// verify any signature produced by Sign or SignWithComments, +// including signatures of partial messages, given the correct +// public key and signature. +func (r *Reader) Verify(publicKey PublicKey, signature []byte) bool { + const isHashed = true + return verify(publicKey, r.hash.Sum(nil), signature, isHashed) +} + +// Sign signs the given message with the private key. +// +// It behaves like SignWithComments with some generic comments. +func Sign(privateKey PrivateKey, message []byte) []byte { + var ( + trustedComment = "timestamp:" + strconv.FormatInt(time.Now().Unix(), 10) + untrustedComment = "signature from private key: " + strings.ToUpper(strconv.FormatUint(privateKey.ID(), 16)) + ) + return SignWithComments(privateKey, message, trustedComment, untrustedComment) +} + +// SignWithComments signs the given message with the private key. +// +// The trustedComment as well as the untrustedComment are embedded +// into the returned signature. The trustedComment is signed and +// will be checked when the signature is verified. +// The untrustedComment is not signed and must not be trusted. +func SignWithComments(privateKey PrivateKey, message []byte, trustedComment, untrustedComment string) []byte { + const isHashed = false + return sign(privateKey, message, trustedComment, untrustedComment, isHashed) +} + +// Verify checks whether message is authentic by verifying +// it with the given public key and signature. It returns +// true if and only if the signature verification is successful. +func Verify(publicKey PublicKey, message, signature []byte) bool { + const isHashed = false + return verify(publicKey, message, signature, isHashed) +} + +func sign(privateKey PrivateKey, message []byte, trustedComment, untrustedComment string, isHashed bool) []byte { + algorithm := EdDSA + if isHashed { + algorithm = HashEdDSA + } + + var ( + msgSignature = ed25519.Sign(ed25519.PrivateKey(privateKey.bytes[:]), message) + commentSignature = ed25519.Sign(ed25519.PrivateKey(privateKey.bytes[:]), append(msgSignature, []byte(trustedComment)...)) + ) + signature := Signature{ + Algorithm: algorithm, + KeyID: privateKey.ID(), + + TrustedComment: trustedComment, + UntrustedComment: untrustedComment, + } + copy(signature.Signature[:], msgSignature) + copy(signature.CommentSignature[:], commentSignature) + + text, err := signature.MarshalText() + if err != nil { + panic(err) + } + return text +} + +func verify(publicKey PublicKey, message, signature []byte, isHashed bool) bool { + var s Signature + if err := s.UnmarshalText(signature); err != nil { + return false + } + if s.KeyID != publicKey.ID() { + return false + } + if s.Algorithm == HashEdDSA && !isHashed { + h := blake2b.Sum512(message) + message = h[:] + } + if !ed25519.Verify(ed25519.PublicKey(publicKey.bytes[:]), message, s.Signature[:]) { + return false + } + globalMessage := append(s.Signature[:], []byte(s.TrustedComment)...) + return ed25519.Verify(ed25519.PublicKey(publicKey.bytes[:]), globalMessage, s.CommentSignature[:]) +} + +// trimUntrustedComment returns text with a potential +// untrusted comment line. +func trimUntrustedComment(text []byte) []byte { + s := bytes.SplitN(text, []byte{'\n'}, 2) + if len(s) == 2 && strings.HasPrefix(string(s[0]), "untrusted comment: ") { + return s[1] + } + return s[0] +} diff --git a/vendor/aead.dev/minisign/minisign.pub b/vendor/aead.dev/minisign/minisign.pub new file mode 100644 index 0000000..e719291 --- /dev/null +++ b/vendor/aead.dev/minisign/minisign.pub @@ -0,0 +1,2 @@ +untrusted comment: minisign public key D7E531EE76B2FC6F +RWRv/LJ27jHl10fMd7ozqYIs8zOaPqWf6EjnWSqkOpOQiD1UJpOgCFm0 diff --git a/vendor/aead.dev/minisign/private.go b/vendor/aead.dev/minisign/private.go new file mode 100644 index 0000000..fd77f4d --- /dev/null +++ b/vendor/aead.dev/minisign/private.go @@ -0,0 +1,397 @@ +// Copyright (c) 2021 Andreas Auernhammer. All rights reserved. +// Use of this source code is governed by a license that can be +// found in the LICENSE file. + +package minisign + +import ( + "crypto" + "crypto/ed25519" + "crypto/rand" + "crypto/subtle" + "encoding/base64" + "encoding/binary" + "errors" + "fmt" + "io" + "os" + "strconv" + "strings" + "time" + + "golang.org/x/crypto/blake2b" + "golang.org/x/crypto/scrypt" +) + +// PrivateKeyFromFile reads and decrypts the private key +// file with the given password. +func PrivateKeyFromFile(password, path string) (PrivateKey, error) { + bytes, err := os.ReadFile(path) + if err != nil { + return PrivateKey{}, err + } + return DecryptKey(password, bytes) +} + +// PrivateKey is a minisign private key. +// +// A private key can sign messages to prove their origin and authenticity. +// +// PrivateKey implements the crypto.Signer interface. +type PrivateKey struct { + _ [0]func() // prevent direct comparison: p1 == p2. + + id uint64 + bytes [ed25519.PrivateKeySize]byte +} + +var _ crypto.Signer = (*PrivateKey)(nil) // compiler check + +// ID returns the 64 bit key ID. +func (p PrivateKey) ID() uint64 { return p.id } + +// Public returns the corresponding public key. +func (p PrivateKey) Public() crypto.PublicKey { + var bytes [ed25519.PublicKeySize]byte + copy(bytes[:], p.bytes[32:]) + + return PublicKey{ + id: p.ID(), + bytes: bytes, + } +} + +// Sign signs the given message. +// +// The minisign signature scheme relies on Ed25519 and supports +// plain as well as pre-hashed messages. Therefore, opts can be +// either crypto.Hash(0) to signal that the message has not been +// hashed or crypto.BLAKE2b_512 to signal that the message is a +// BLAKE2b-512 digest. If opts is crypto.BLAKE2b_512 then message +// must be a 64 bytes long. +// +// Minisign signatures are deterministic such that no randomness +// is necessary. +func (p PrivateKey) Sign(_ io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) { + var ( + trustedComment = "timestamp:" + strconv.FormatInt(time.Now().Unix(), 10) + untrustedComment = "signature from private key: " + strings.ToUpper(strconv.FormatUint(p.ID(), 16)) + ) + switch h := opts.HashFunc(); h { + case crypto.Hash(0): + const isHashed = false + return sign(p, message, trustedComment, untrustedComment, isHashed), nil + case crypto.BLAKE2b_512: + const isHashed = true + if n := len(message); n != blake2b.Size { + return nil, errors.New("minisign: invalid message length " + strconv.Itoa(n)) + } + return sign(p, message, trustedComment, untrustedComment, isHashed), nil + default: + return nil, errors.New("minisign: cannot sign messages hashed with " + strconv.Itoa(int(h))) + } +} + +// Equal returns true if and only if p and x have equivalent values. +func (p PrivateKey) Equal(x crypto.PrivateKey) bool { + xx, ok := x.(PrivateKey) + if !ok { + return false + } + return p.id == xx.id && subtle.ConstantTimeCompare(p.bytes[:], xx.bytes[:]) == 1 +} + +// MarshalText returns a textual representation of the private key. +// +// For password-protected private keys refer to [EncryptKey]. +func (p PrivateKey) MarshalText() ([]byte, error) { + // A non-encrypted private key has the same format as an encrypted one. + // However, the salt, and auth. tag are set to all zero. + var b [privateKeySize]byte + + binary.LittleEndian.PutUint16(b[:], EdDSA) + binary.LittleEndian.PutUint16(b[2:], algorithmNone) + binary.LittleEndian.PutUint16(b[4:], algorithmBlake2b) + + binary.LittleEndian.PutUint64(b[54:], p.id) + copy(b[62:], p.bytes[:]) + + // It seems odd that the comment says: "encrypted secret key". + // However, the original C implementation behaves like this. + const comment = "untrusted comment: minisign encrypted secret key\n" + encodedBytes := make([]byte, len(comment)+base64.StdEncoding.EncodedLen(len(b))) + copy(encodedBytes, []byte(comment)) + base64.StdEncoding.Encode(encodedBytes[len(comment):], b[:]) + return encodedBytes, nil +} + +// UnmarshalText decodes a textual representation of the private key into p. +// +// It returns an error if the private key is encrypted. For decrypting +// password-protected private keys refer to [DecryptKey]. +func (p *PrivateKey) UnmarshalText(text []byte) error { + text = trimUntrustedComment(text) + b := make([]byte, base64.StdEncoding.DecodedLen(len(text))) + n, err := base64.StdEncoding.Decode(b, text) + if err != nil { + return fmt.Errorf("minisign: invalid private key: %v", err) + } + b = b[:n] + + if len(b) != privateKeySize { + return errors.New("minisign: invalid private key") + } + + var ( + kType = binary.LittleEndian.Uint16(b) + kdf = binary.LittleEndian.Uint16(b[2:]) + hType = binary.LittleEndian.Uint16(b[4:]) + key = b[54:126] + ) + if kType != EdDSA { + return fmt.Errorf("minisign: invalid private key: invalid key type '%d'", kType) + } + if kdf == algorithmScrypt { + return errors.New("minisign: private key is encrypted") + } + if kdf != algorithmNone { + return fmt.Errorf("minisign: invalid private key: invalid KDF '%d'", kdf) + } + if hType != algorithmBlake2b { + return fmt.Errorf("minisign: invalid private key: invalid hash type '%d'", hType) + } + + p.id = binary.LittleEndian.Uint64(key) + copy(p.bytes[:], key[8:]) + return nil +} + +const ( + algorithmNone = 0x0000 // hex value for KDF when key is not encrypted + algorithmScrypt = 0x6353 // hex value for "Sc" + algorithmBlake2b = 0x3242 // hex value for "B2" + + scryptOpsLimit = 0x2000000 // max. Scrypt ops limit based on libsodium + scryptMemLimit = 0x40000000 // max. Scrypt mem limit based on libsodium + + privateKeySize = 158 // 2 + 2 + 2 + 32 + 8 + 8 + 104 +) + +// EncryptKey encrypts the private key with the given password +// using some entropy from the RNG of the OS. +func EncryptKey(password string, privateKey PrivateKey) ([]byte, error) { + var privateKeyBytes [72]byte + binary.LittleEndian.PutUint64(privateKeyBytes[:], privateKey.ID()) + copy(privateKeyBytes[8:], privateKey.bytes[:]) + + var salt [32]byte + if _, err := io.ReadFull(rand.Reader, salt[:]); err != nil { + return nil, err + } + + var bytes [privateKeySize]byte + binary.LittleEndian.PutUint16(bytes[0:], EdDSA) + binary.LittleEndian.PutUint16(bytes[2:], algorithmScrypt) + binary.LittleEndian.PutUint16(bytes[4:], algorithmBlake2b) + + const ( // TODO(aead): Callers may want to customize the cost parameters + defaultOps = 33554432 // libsodium OPS_LIMIT_SENSITIVE + defaultMem = 1073741824 // libsodium MEM_LIMIT_SENSITIVE + ) + copy(bytes[6:38], salt[:]) + binary.LittleEndian.PutUint64(bytes[38:], defaultOps) + binary.LittleEndian.PutUint64(bytes[46:], defaultMem) + copy(bytes[54:], encryptKey(password, salt[:], defaultOps, defaultMem, privateKeyBytes[:])) + + const comment = "untrusted comment: minisign encrypted secret key\n" + encodedBytes := make([]byte, len(comment)+base64.StdEncoding.EncodedLen(len(bytes))) + copy(encodedBytes, []byte(comment)) + base64.StdEncoding.Encode(encodedBytes[len(comment):], bytes[:]) + return encodedBytes, nil +} + +// IsEncrypted reports whether the private key is encrypted. +func IsEncrypted(privateKey []byte) bool { + privateKey = trimUntrustedComment(privateKey) + bytes := make([]byte, base64.StdEncoding.DecodedLen(len(privateKey))) + n, err := base64.StdEncoding.Decode(bytes, privateKey) + if err != nil { + return false + } + bytes = bytes[:n] + + return len(bytes) >= 4 && binary.LittleEndian.Uint16(bytes[2:]) == algorithmScrypt +} + +var errDecrypt = errors.New("minisign: decryption failed") + +// DecryptKey tries to decrypt the encrypted private key with +// the given password. +func DecryptKey(password string, privateKey []byte) (PrivateKey, error) { + privateKey = trimUntrustedComment(privateKey) + b := make([]byte, base64.StdEncoding.DecodedLen(len(privateKey))) + n, err := base64.StdEncoding.Decode(b, privateKey) + if err != nil { + return PrivateKey{}, err + } + b = b[:n] + + if len(b) != privateKeySize { + return PrivateKey{}, errDecrypt + } + var ( + kType = binary.LittleEndian.Uint16(b) + kdf = binary.LittleEndian.Uint16(b[2:]) + hType = binary.LittleEndian.Uint16(b[4:]) + salt = b[6:38] + scryptOps = binary.LittleEndian.Uint64(b[38:]) + scryptMem = binary.LittleEndian.Uint64(b[46:]) + ciphertext = b[54:] + ) + if kType != EdDSA { + return PrivateKey{}, errDecrypt + } + if kdf != algorithmScrypt { + return PrivateKey{}, errDecrypt + } + if hType != algorithmBlake2b { + return PrivateKey{}, errDecrypt + } + if scryptOps > scryptOpsLimit { + return PrivateKey{}, errDecrypt + } + if scryptMem > scryptMemLimit { + return PrivateKey{}, errDecrypt + } + + plaintext, err := decryptKey(password, salt, scryptOps, scryptMem, ciphertext) + if err != nil { + return PrivateKey{}, err + } + + key := PrivateKey{ + id: binary.LittleEndian.Uint64(plaintext), + } + copy(key.bytes[:], plaintext[8:]) + return key, nil +} + +// encryptKey encrypts the plaintext and returns a ciphertext by: +// 1. tag = BLAKE2b-256(EdDSA-const || plaintext) +// 2. keystream = Scrypt(password, salt, convert(ops, mem)) +// 3. ciphertext = (plaintext || tag) ⊕ keystream +// +// Therefore, decryptKey converts the ops and mem cost parameters +// to the (N, r, p)-tuple expected by Scrypt. +// +// The plaintext must be a private key ID concatenated with a raw +// Ed25519 private key, and therefore, 72 bytes long. +func encryptKey(password string, salt []byte, ops, mem uint64, plaintext []byte) []byte { + const ( + plaintextLen = 72 + messageLen = 74 + ciphertextLen = 104 + ) + + N, r, p := convertScryptParameters(ops, mem) + keystream, err := scrypt.Key([]byte(password), salt, N, r, p, ciphertextLen) + if err != nil { + panic(err) + } + + var message [messageLen]byte + binary.LittleEndian.PutUint16(message[:2], EdDSA) + copy(message[2:], plaintext) + checksum := blake2b.Sum256(message[:]) + + var ciphertext [ciphertextLen]byte + copy(ciphertext[:plaintextLen], plaintext) + copy(ciphertext[plaintextLen:], checksum[:]) + + for i, k := range keystream { + ciphertext[i] ^= k + } + return ciphertext[:] +} + +// decryptKey decrypts the ciphertext and returns a plaintext by: +// 1. keystream = Scrypt(password, salt, convert(ops, mem)) +// 2. plaintext || tag = ciphertext ⊕ keystream +// 3. Check that: tag == BLAKE2b-256(EdDSA-const || plaintext) +// +// Therefore, decryptKey converts the ops and mem cost parameters to +// the (N, r, p)-tuple expected by Scrypt. +// +// It returns an error if the ciphertext is not valid - i.e. if the +// tag does not match the BLAKE2b-256 hash value. +func decryptKey(password string, salt []byte, ops, mem uint64, ciphertext []byte) ([]byte, error) { + const ( + plaintextLen = 72 + messageLen = 74 + ciphertextLen = 104 + ) + if len(ciphertext) != ciphertextLen { + return nil, errDecrypt + } + + N, r, p := convertScryptParameters(ops, mem) + keystream, err := scrypt.Key([]byte(password), salt, N, r, p, ciphertextLen) + if err != nil { + return nil, err + } + + var plaintext [ciphertextLen]byte + for i, k := range keystream { + plaintext[i] = ciphertext[i] ^ k + } + var ( + privateKeyBytes = plaintext[:plaintextLen] + checksum = plaintext[plaintextLen:] + ) + + var message [messageLen]byte + binary.LittleEndian.PutUint16(message[:2], EdDSA) + copy(message[2:], privateKeyBytes) + + if sum := blake2b.Sum256(message[:]); subtle.ConstantTimeCompare(sum[:], checksum) != 1 { + return nil, errDecrypt + } + return privateKeyBytes, nil +} + +// convertScryptParameters converts the operational and memory cost +// to the Scrypt parameters N, r and p. +// +// N is the overall memory / CPU cost and r * p has to be lower then +// 2³⁰. Refer to the scrypt.Key docs for more information. +func convertScryptParameters(ops, mem uint64) (N, r, p int) { + const ( + minOps = 1 << 15 + maxRP = 0x3fffffff + ) + if ops < minOps { + ops = minOps + } + + if ops < mem/32 { + r, p = 8, 1 + for n := 1; n < 63; n++ { + if N = 1 << n; uint64(N) > (ops / (8 * uint64(r))) { + break + } + } + } else { + r = 8 + for n := 1; n < 63; n++ { + if N = 1 << n; uint64(N) > (mem / (256 * uint64(r))) { + break + } + } + if rp := (ops / 4) / uint64(N); rp < maxRP { + p = int(rp) / r + } else { + p = maxRP / r + } + } + return N, r, p +} diff --git a/vendor/aead.dev/minisign/public.go b/vendor/aead.dev/minisign/public.go new file mode 100644 index 0000000..0d86e0f --- /dev/null +++ b/vendor/aead.dev/minisign/public.go @@ -0,0 +1,103 @@ +// Copyright (c) 2021 Andreas Auernhammer. All rights reserved. +// Use of this source code is governed by a license that can be +// found in the LICENSE file. + +package minisign + +import ( + "crypto" + "crypto/ed25519" + "encoding/base64" + "encoding/binary" + "errors" + "fmt" + "os" + "strconv" + "strings" +) + +const publicKeySize = 2 + 8 + ed25519.PublicKeySize + +// PublicKeyFromFile reads a PublicKey from the given file. +func PublicKeyFromFile(filename string) (PublicKey, error) { + bytes, err := os.ReadFile(filename) + if err != nil { + return PublicKey{}, err + } + + var key PublicKey + if err = key.UnmarshalText(bytes); err != nil { + return PublicKey{}, err + } + return key, nil +} + +// PublicKey is a minisign public key. +// +// A public key is used to verify whether messages +// have been signed with the corresponding private +// key. +type PublicKey struct { + _ [0]func() // prevent direct comparison: p1 == p2. + + id uint64 + bytes [ed25519.PublicKeySize]byte +} + +// ID returns the 64 bit key ID. +func (p PublicKey) ID() uint64 { return p.id } + +// Equal returns true if and only if p and x have equivalent values. +func (p PublicKey) Equal(x crypto.PublicKey) bool { + xx, ok := x.(PublicKey) + if !ok { + return false + } + return p.id == xx.id && p.bytes == xx.bytes +} + +// String returns a base64 string representation of the PublicKey p. +func (p PublicKey) String() string { + var bytes [publicKeySize]byte + binary.LittleEndian.PutUint16(bytes[:2], EdDSA) + binary.LittleEndian.PutUint64(bytes[2:10], p.ID()) + copy(bytes[10:], p.bytes[:]) + + return base64.StdEncoding.EncodeToString(bytes[:]) +} + +// MarshalText returns a textual representation of the PublicKey p. +// +// It never returns an error. +func (p PublicKey) MarshalText() ([]byte, error) { + s := make([]byte, 0, 113) // Size of a public key in text format + s = append(s, "untrusted comment: minisign public key: "...) + s = append(s, strings.ToUpper(strconv.FormatUint(p.ID(), 16))...) + s = append(s, '\n') + s = append(s, p.String()...) + return s, nil +} + +// UnmarshalText decodes a textual representation of a public key into p. +// +// It returns an error in case of a malformed key. +func (p *PublicKey) UnmarshalText(text []byte) error { + text = trimUntrustedComment(text) + bytes := make([]byte, base64.StdEncoding.DecodedLen(len(text))) + n, err := base64.StdEncoding.Decode(bytes, text) + if err != nil { + return fmt.Errorf("minisign: invalid public key: %v", err) + } + bytes = bytes[:n] // Adjust since text may contain '\r' or '\n' which would have been ignored during decoding. + + if n = len(bytes); n != publicKeySize { + return errors.New("minisign: invalid public key length " + strconv.Itoa(n)) + } + if a := binary.LittleEndian.Uint16(bytes[:2]); a != EdDSA { + return errors.New("minisign: invalid public key algorithm " + strconv.Itoa(int(a))) + } + + p.id = binary.LittleEndian.Uint64(bytes[2:10]) + copy(p.bytes[:], bytes[10:]) + return nil +} diff --git a/vendor/aead.dev/minisign/signature.go b/vendor/aead.dev/minisign/signature.go new file mode 100644 index 0000000..112f116 --- /dev/null +++ b/vendor/aead.dev/minisign/signature.go @@ -0,0 +1,196 @@ +// Copyright (c) 2021 Andreas Auernhammer. All rights reserved. +// Use of this source code is governed by a license that can be +// found in the LICENSE file. + +package minisign + +import ( + "crypto/ed25519" + "encoding/base64" + "encoding/binary" + "errors" + "fmt" + "os" + "strconv" + "strings" +) + +// SignatureFromFile reads a Signature from the given file. +func SignatureFromFile(filename string) (Signature, error) { + bytes, err := os.ReadFile(filename) + if err != nil { + return Signature{}, err + } + + var signature Signature + if err = signature.UnmarshalText(bytes); err != nil { + return Signature{}, err + } + return signature, nil +} + +// Signature is a structured representation of a minisign +// signature. +// +// A signature is generated when signing a message with +// a private key: +// +// signature = Sign(privateKey, message) +// +// The signature of a message can then be verified with the +// corresponding public key: +// +// if Verify(publicKey, message, signature) { +// // => signature is valid +// // => message has been signed with correspoding private key +// } +type Signature struct { + _ [0]func() // enforce named assignment and prevent direct comparison + + // Algorithm is the signature algorithm. It is either EdDSA or HashEdDSA. + Algorithm uint16 + + // KeyID may be the 64 bit ID of the private key that was used + // to produce this signature. It can be used to identify the + // corresponding public key that can verify the signature. + // + // However, key IDs are random identifiers and not protected at all. + // A key ID is just a hint to quickly identify a public key candidate. + KeyID uint64 + + // TrustedComment is a comment that has been signed and is + // verified during signature verification. + TrustedComment string + + // UntrustedComment is a comment that has not been signed + // and is not verified during signature verification. + // + // It must not be considered authentic - in contrast to the + // TrustedComment. + UntrustedComment string + + // Signature is the Ed25519 signature of the message that + // has been signed. + Signature [ed25519.SignatureSize]byte + + // CommentSignature is the Ed25519 signature of Signature + // concatenated with the TrustedComment: + // + // CommentSignature = ed25519.Sign(PrivateKey, Signature || TrustedComment) + // + // It is used to verify that the TrustedComment is authentic. + CommentSignature [ed25519.SignatureSize]byte +} + +// String returns a string representation of the Signature s. +// +// In contrast to MarshalText, String does not fail if s is +// not a valid minisign signature. +func (s Signature) String() string { + return string(encodeSignature(&s)) +} + +// Equal reports whether s and x have equivalent values. +// +// The untrusted comments of two equivalent signatures may differ. +func (s Signature) Equal(x Signature) bool { + return s.Algorithm == x.Algorithm && + s.KeyID == x.KeyID && + s.Signature == x.Signature && + s.CommentSignature == x.CommentSignature && + s.TrustedComment == x.TrustedComment +} + +// MarshalText returns a textual representation of the Signature s. +// +// It returns an error if s cannot be a valid signature, for example. +// when s.Algorithm is neither EdDSA nor HashEdDSA. +func (s Signature) MarshalText() ([]byte, error) { + if s.Algorithm != EdDSA && s.Algorithm != HashEdDSA { + return nil, errors.New("minisign: invalid signature algorithm " + strconv.Itoa(int(s.Algorithm))) + } + return encodeSignature(&s), nil +} + +// UnmarshalText decodes a textual representation of a signature into s. +// +// It returns an error in case of a malformed signature. +func (s *Signature) UnmarshalText(text []byte) error { + segments := strings.SplitN(string(text), "\n", 4) + if len(segments) != 4 { + return errors.New("minisign: invalid signature") + } + + var ( + untrustedComment = strings.TrimRight(segments[0], "\r") + encodedSignature = segments[1] + trustedComment = strings.TrimRight(segments[2], "\r") + encodedCommentSignature = segments[3] + ) + if !strings.HasPrefix(untrustedComment, "untrusted comment: ") { + return errors.New("minisign: invalid signature: invalid untrusted comment") + } + if !strings.HasPrefix(trustedComment, "trusted comment: ") { + return errors.New("minisign: invalid signature: invalid trusted comment") + } + + rawSignature, err := base64.StdEncoding.DecodeString(encodedSignature) + if err != nil { + return fmt.Errorf("minisign: invalid signature: %v", err) + } + if n := len(rawSignature); n != 2+8+ed25519.SignatureSize { + return errors.New("minisign: invalid signature length " + strconv.Itoa(n)) + } + commentSignature, err := base64.StdEncoding.DecodeString(encodedCommentSignature) + if err != nil { + return fmt.Errorf("minisign: invalid signature: %v", err) + } + if n := len(commentSignature); n != ed25519.SignatureSize { + return errors.New("minisign: invalid comment signature length " + strconv.Itoa(n)) + } + + var ( + algorithm = binary.LittleEndian.Uint16(rawSignature[:2]) + keyID = binary.LittleEndian.Uint64(rawSignature[2:10]) + ) + if algorithm != EdDSA && algorithm != HashEdDSA { + return errors.New("minisign: invalid signature: invalid algorithm " + strconv.Itoa(int(algorithm))) + } + + s.Algorithm = algorithm + s.KeyID = keyID + s.TrustedComment = strings.TrimPrefix(trustedComment, "trusted comment: ") + s.UntrustedComment = strings.TrimPrefix(untrustedComment, "untrusted comment: ") + copy(s.Signature[:], rawSignature[10:]) + copy(s.CommentSignature[:], commentSignature) + return nil +} + +// encodeSignature encodes s into its textual representation. +func encodeSignature(s *Signature) []byte { + var signature [2 + 8 + ed25519.SignatureSize]byte + binary.LittleEndian.PutUint16(signature[:], s.Algorithm) + binary.LittleEndian.PutUint64(signature[2:], s.KeyID) + copy(signature[10:], s.Signature[:]) + + b := make([]byte, 0, 228+len(s.TrustedComment)+len(s.UntrustedComment)) // Size of a signature in text format + b = append(b, "untrusted comment: "...) + b = append(b, s.UntrustedComment...) + b = append(b, '\n') + + // TODO(aead): use base64.StdEncoding.EncodeAppend once Go1.21 is dropped + n := len(b) + b = b[:n+base64.StdEncoding.EncodedLen(len(signature))] + base64.StdEncoding.Encode(b[n:], signature[:]) + b = append(b, '\n') + + b = append(b, "trusted comment: "...) + b = append(b, s.TrustedComment...) + b = append(b, '\n') + + // TODO(aead): use base64.StdEncoding.EncodeAppend once Go1.21 is dropped + n = len(b) + b = b[:n+base64.StdEncoding.EncodedLen(len(s.CommentSignature))] + base64.StdEncoding.Encode(b[n:], s.CommentSignature[:]) + return append(b, '\n') +} diff --git a/vendor/github.com/SencilloDev/gupdate/LICENSE b/vendor/github.com/SencilloDev/gupdate/LICENSE new file mode 100644 index 0000000..e11d42c --- /dev/null +++ b/vendor/github.com/SencilloDev/gupdate/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2025 Sencillo + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + diff --git a/vendor/github.com/SencilloDev/gupdate/README.md b/vendor/github.com/SencilloDev/gupdate/README.md new file mode 100644 index 0000000..3ee93de --- /dev/null +++ b/vendor/github.com/SencilloDev/gupdate/README.md @@ -0,0 +1,36 @@ +# gupdate + +Create self updating binaries + +## Background + +This package wraps Minio's self updater package and allows for automatic downloading of Go binaries. + +## Usage + +Create a project and then use gupdate to get the latest release and update the binary. + +``` +gh := gupdate.GitHubProject{ + Name: "sencillo-go", + Owner: "SencilloDev", + Platform: runtime.GOOS, + Arch: runtime.GOARCH, + ChecksumFunc: gupdate.GoReleaserChecksum, +} + +release, err := gupdate.GetLatestRelease(gh) +if err != nil { + log.Fatal(err) +} + +if err := release.Update(); err != nil { + log.Fatal(err) +} +``` + +## Private Repos + +For GitHub projects there is a Token field on the `GitHubProject` struct. This will automatically add the token to the request and use the correct headers. + +It sets a `RequestFunc` under the hood which sets the token and accept types. This can be overridden if needed on both the GitHubProject and the Release. diff --git a/vendor/github.com/SencilloDev/gupdate/github.go b/vendor/github.com/SencilloDev/gupdate/github.go new file mode 100644 index 0000000..5bfef2b --- /dev/null +++ b/vendor/github.com/SencilloDev/gupdate/github.go @@ -0,0 +1,261 @@ +// Copyright 2025 Sencillo +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package gupdate + +import ( + "bytes" + "encoding/json" + "fmt" + "io" + "net/http" + "strings" + "time" +) + +var githubReleaseURL = "https://api.github.com/repos" + +type requestOpts struct { + url string + accept string +} + +type GitHubProject struct { + Owner string `json:"owner"` + Name string `json:"name,omitempty"` + Platform string `json:"platform"` + Arch string `json:"arch"` + ChecksumFunc ChecksumFunc + Token string + ReqFunc RequestFunc +} + +type GitHubReleases []GitHubRelease + +type GitHubRelease struct { + URL string `json:"url,omitempty"` + AssetsURL string `json:"assets_url,omitempty"` + UploadURL string `json:"upload_url,omitempty"` + HTMLURL string `json:"html_url,omitempty"` + ID int `json:"id,omitempty"` + Author GitHubAuthor `json:"author,omitempty"` + NodeID string `json:"node_id,omitempty"` + TagName string `json:"tag_name,omitempty"` + TargetCommitish string `json:"target_commitish,omitempty"` + Name string `json:"name,omitempty"` + Draft bool `json:"draft,omitempty"` + Prerelease bool `json:"prerelease,omitempty"` + CreatedAt time.Time `json:"created_at,omitempty"` + PublishedAt time.Time `json:"published_at,omitempty"` + Assets []GitHubAssets `json:"assets,omitempty"` + TarballURL string `json:"tarball_url,omitempty"` + ZipballURL string `json:"zipball_url,omitempty"` + Body string `json:"body,omitempty"` +} +type GitHubAuthor struct { + Login string `json:"login,omitempty"` + ID int `json:"id,omitempty"` + NodeID string `json:"node_id,omitempty"` + AvatarURL string `json:"avatar_url,omitempty"` + GravatarID string `json:"gravatar_id,omitempty"` + URL string `json:"url,omitempty"` + HTMLURL string `json:"html_url,omitempty"` + FollowersURL string `json:"followers_url,omitempty"` + FollowingURL string `json:"following_url,omitempty"` + GistsURL string `json:"gists_url,omitempty"` + StarredURL string `json:"starred_url,omitempty"` + SubscriptionsURL string `json:"subscriptions_url,omitempty"` + OrganizationsURL string `json:"organizations_url,omitempty"` + ReposURL string `json:"repos_url,omitempty"` + EventsURL string `json:"events_url,omitempty"` + ReceivedEventsURL string `json:"received_events_url,omitempty"` + Type string `json:"type,omitempty"` + SiteAdmin bool `json:"site_admin,omitempty"` +} +type GitHubUploader struct { + Login string `json:"login,omitempty"` + ID int `json:"id,omitempty"` + NodeID string `json:"node_id,omitempty"` + AvatarURL string `json:"avatar_url,omitempty"` + GravatarID string `json:"gravatar_id,omitempty"` + URL string `json:"url,omitempty"` + HTMLURL string `json:"html_url,omitempty"` + FollowersURL string `json:"followers_url,omitempty"` + FollowingURL string `json:"following_url,omitempty"` + GistsURL string `json:"gists_url,omitempty"` + StarredURL string `json:"starred_url,omitempty"` + SubscriptionsURL string `json:"subscriptions_url,omitempty"` + OrganizationsURL string `json:"organizations_url,omitempty"` + ReposURL string `json:"repos_url,omitempty"` + EventsURL string `json:"events_url,omitempty"` + ReceivedEventsURL string `json:"received_events_url,omitempty"` + Type string `json:"type,omitempty"` + SiteAdmin bool `json:"site_admin,omitempty"` +} +type GitHubAssets struct { + URL string `json:"url,omitempty"` + ID int `json:"id,omitempty"` + NodeID string `json:"node_id,omitempty"` + Name string `json:"name,omitempty"` + Label string `json:"label,omitempty"` + Uploader GitHubUploader `json:"uploader,omitempty"` + ContentType string `json:"content_type,omitempty"` + State string `json:"state,omitempty"` + Size int `json:"size,omitempty"` + DownloadCount int `json:"download_count,omitempty"` + CreatedAt time.Time `json:"created_at,omitempty"` + UpdatedAt time.Time `json:"updated_at,omitempty"` + BrowserDownloadURL string `json:"browser_download_url,omitempty"` +} + +func (g GitHubProject) getAllReleases() ([]Release, error) { + var releases []Release + var ghr []GitHubRelease + + if g.ChecksumFunc == nil { + return releases, fmt.Errorf("checksum function must be defined") + } + + url := fmt.Sprintf("%s/%s/%s/releases/latest", githubReleaseURL, g.Owner, g.Name) + + data, err := g.sendRequest(requestOpts{url: url, accept: "applicatioin/vhd.github+json"}) + if err != nil { + return releases, err + } + + if err := json.Unmarshal(data, &ghr); err != nil { + return releases, err + } + + for _, release := range ghr { + if len(release.Assets) == 0 { + return releases, fmt.Errorf("no releases found") + } + for _, v := range release.Assets { + if strings.Contains(v.Name, strings.ToLower(g.Platform)) && strings.Contains(v.Name, strings.ToLower(g.Arch)) { + releases = append(releases, Release{URL: v.URL}) + } + } + } + return nil, nil +} + +func (g GitHubProject) getLatestRelease() (Release, error) { + var release Release + var ghr GitHubRelease + + if g.ChecksumFunc == nil { + return release, fmt.Errorf("checksum function must be defined") + } + + url := fmt.Sprintf("%s/%s/%s/releases/latest", githubReleaseURL, g.Owner, g.Name) + + data, err := g.sendRequest(requestOpts{url: url, accept: "application/vnd.github+json"}) + if err != nil { + return release, err + } + + if err := json.Unmarshal(data, &ghr); err != nil { + return release, err + } + + if len(ghr.Assets) == 0 { + return release, fmt.Errorf("no releases found") + } + + for _, v := range ghr.Assets { + if strings.Contains(v.Name, strings.ToLower(g.Platform)) && strings.Contains(v.Name, strings.ToLower(g.Arch)) { + release.URL = v.URL + } + } + + for _, v := range ghr.Assets { + if strings.Contains(v.Name, "checksum") { + checksum, err := g.getChecksums(v.URL) + if err != nil { + return release, err + } + + release.Checksum = checksum + } + } + + if release.URL == "" { + return release, fmt.Errorf("no results") + } + + // set default release request function + release.ReqFunc = GitHubReqFunc(g.Token, "application/octet-stream") + + return release, nil +} + +func (g GitHubProject) getChecksums(url string) (string, error) { + resp, err := g.sendRequest(requestOpts{url: url, accept: "application/octet-stream"}) + if err != nil { + return "", err + } + + return g.ChecksumFunc(bytes.NewReader(resp)) +} + +func (g GitHubProject) sendRequest(opts requestOpts) ([]byte, error) { + client := http.Client{ + Timeout: 10 * time.Second, + } + + req, err := http.NewRequest(http.MethodGet, opts.url, nil) + if err != nil { + return nil, err + } + + if g.ReqFunc == nil && g.Token != "" { + g.ReqFunc = GitHubReqFunc(g.Token, opts.accept) + } + + if g.ReqFunc != nil { + g.ReqFunc(req) + } + + if g.ReqFunc == nil { + req.Header.Add("Accept", opts.accept) + } + + resp, err := client.Do(req) + if err != nil { + return nil, err + } + defer resp.Body.Close() + + data, err := io.ReadAll(resp.Body) + if err != nil { + return nil, err + } + + if resp.StatusCode < 200 || resp.StatusCode > 299 { + return nil, fmt.Errorf("%d %s", resp.StatusCode, string(data)) + } + + return data, nil +} + +func GitHubReqFunc(token, accept string) RequestFunc { + return func(req *http.Request) { + if token != "" { + bearer := fmt.Sprintf("Bearer %s", token) + req.Header.Add("Authorization", bearer) + } + req.Header.Add("Accept", accept) + } +} diff --git a/vendor/github.com/SencilloDev/gupdate/goreleaser.go b/vendor/github.com/SencilloDev/gupdate/goreleaser.go new file mode 100644 index 0000000..d3b7586 --- /dev/null +++ b/vendor/github.com/SencilloDev/gupdate/goreleaser.go @@ -0,0 +1,37 @@ +// Copyright 2025 Sencillo +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package gupdate + +import ( + "bufio" + "fmt" + "io" + "runtime" + "strings" +) + +func GoReleaserChecksum(r io.Reader) (string, error) { + scanner := bufio.NewScanner(r) + + for scanner.Scan() { + line := scanner.Text() + + if strings.Contains(line, strings.ToLower(runtime.GOOS)) && strings.Contains(line, strings.ToLower(runtime.GOARCH)) { + return strings.Split(line, " ")[0], nil + } + } + + return "", fmt.Errorf("valid checksum not found") +} diff --git a/vendor/github.com/SencilloDev/gupdate/gupdate.go b/vendor/github.com/SencilloDev/gupdate/gupdate.go new file mode 100644 index 0000000..5f2e75b --- /dev/null +++ b/vendor/github.com/SencilloDev/gupdate/gupdate.go @@ -0,0 +1,92 @@ +// Copyright 2025 Sencillo +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package gupdate + +import ( + "encoding/hex" + "fmt" + "io" + "net/http" + "time" + + "github.com/minio/selfupdate" +) + +type LatestReleaseGetter interface { + getLatestRelease() (Release, error) +} + +type AllReleasesGetter interface { + getAllReleases() ([]Release, error) +} + +type CheckSumGetter interface { + GetChecksum(io.Reader) (string, error) +} + +type ChecksumFunc func(io.Reader) (string, error) + +type RequestFunc func(r *http.Request) + +type Release struct { + Checksum string `json:"checksum,omitempty"` + URL string `json:"url"` + ReqFunc RequestFunc +} + +func GetAllReleases(r AllReleasesGetter) ([]Release, error) { + return r.getAllReleases() +} + +func GetLatestRelease(r LatestReleaseGetter) (Release, error) { + return r.getLatestRelease() +} + +func (r Release) Update() error { + client := http.Client{ + Timeout: 10 * time.Second, + } + req, err := http.NewRequest(http.MethodGet, r.URL, nil) + if err != nil { + return err + } + + if r.ReqFunc != nil { + r.ReqFunc(req) + } + + resp, err := client.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + + cs, err := hex.DecodeString(r.Checksum) + if err != nil { + return err + } + + if err := selfupdate.Apply(resp.Body, selfupdate.Options{ + Checksum: cs, + }); err != nil { + if updateErr := selfupdate.RollbackError(err); updateErr != nil { + return fmt.Errorf("failed to rollback from bad update: %v", err) + } + + return err + } + + return nil +} diff --git a/vendor/github.com/briandowns/spinner/.gitignore b/vendor/github.com/briandowns/spinner/.gitignore new file mode 100644 index 0000000..21ec6b7 --- /dev/null +++ b/vendor/github.com/briandowns/spinner/.gitignore @@ -0,0 +1,29 @@ +# Created by .gitignore support plugin (hsz.mobi) +### Go template +# Compiled Object files, Static and Dynamic libs (Shared Objects) +*.o +*.a +*.so + +# Folders +_obj +_test + +# Architecture specific extensions/prefixes +*.[568vq] +[568vq].out + +*.cgo1.go +*.cgo2.c +_cgo_defun.c +_cgo_gotypes.go +_cgo_export.* + +_testmain.go + +*.exe +*.test +*.prof + +.idea +*.iml diff --git a/vendor/github.com/briandowns/spinner/.travis.yml b/vendor/github.com/briandowns/spinner/.travis.yml new file mode 100644 index 0000000..74d205a --- /dev/null +++ b/vendor/github.com/briandowns/spinner/.travis.yml @@ -0,0 +1,18 @@ +arch: + - amd64 + - ppc64le +language: go +go: + - 1.16 + - 1.17.5 +env: + - GOARCH: amd64 + - GOARCH: 386 +script: + - go test -v +notifications: + email: + recipients: + - brian.downs@gmail.com + on_success: change + on_failure: always diff --git a/vendor/github.com/briandowns/spinner/LICENSE b/vendor/github.com/briandowns/spinner/LICENSE new file mode 100644 index 0000000..dd5b3a5 --- /dev/null +++ b/vendor/github.com/briandowns/spinner/LICENSE @@ -0,0 +1,174 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. diff --git a/vendor/github.com/briandowns/spinner/Makefile b/vendor/github.com/briandowns/spinner/Makefile new file mode 100644 index 0000000..3cfdeb2 --- /dev/null +++ b/vendor/github.com/briandowns/spinner/Makefile @@ -0,0 +1,20 @@ +GO = go + +.PHONY: deps +deps: go.mod + +go.mod: + go mod init + go mod tidy + +.PHONY: test +test: + $(GO) test -v -cover ./... + +.PHONY: check +check: + if [ -d vendor ]; then cp -r vendor/* ${GOPATH}/src/; fi + +.PHONY: clean +clean: + $(GO) clean diff --git a/vendor/github.com/briandowns/spinner/NOTICE.txt b/vendor/github.com/briandowns/spinner/NOTICE.txt new file mode 100644 index 0000000..95e2a24 --- /dev/null +++ b/vendor/github.com/briandowns/spinner/NOTICE.txt @@ -0,0 +1,4 @@ +Spinner +Copyright (c) 2022 Brian J. Downs +This product is licensed to you under the Apache 2.0 license (the "License"). You may not use this product except in compliance with the Apache 2.0 License. +This product may include a number of subcomponents with separate copyright notices and license terms. Your use of these subcomponents is subject to the terms and conditions of the subcomponent's license, as noted in the LICENSE file. diff --git a/vendor/github.com/briandowns/spinner/README.md b/vendor/github.com/briandowns/spinner/README.md new file mode 100644 index 0000000..28b024d --- /dev/null +++ b/vendor/github.com/briandowns/spinner/README.md @@ -0,0 +1,285 @@ +# Spinner + +[![GoDoc](https://godoc.org/github.com/briandowns/spinner?status.svg)](https://godoc.org/github.com/briandowns/spinner) [![CircleCI](https://circleci.com/gh/briandowns/spinner.svg?style=svg)](https://circleci.com/gh/briandowns/spinner) + +spinner is a simple package to add a spinner / progress indicator to any terminal application. Examples can be found below as well as full examples in the examples directory. + +For more detail about the library and its features, reference your local godoc once installed. + +Contributions welcome! + +## Installation + +```bash +go get github.com/briandowns/spinner +``` + +## Available Character Sets + +90 Character Sets. Some examples below: + +(Numbered by their slice index) + +| index | character set | sample gif | +| ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------- | +| 0 | ```←↖↑↗→↘↓↙``` | ![Sample Gif](gifs/0.gif) | +| 1 | ```▁▃▄▅▆▇█▇▆▅▄▃▁``` | ![Sample Gif](gifs/1.gif) | +| 2 | ```▖▘▝▗``` | ![Sample Gif](gifs/2.gif) | +| 3 | ```┤┘┴└├┌┬┐``` | ![Sample Gif](gifs/3.gif) | +| 4 | ```◢◣◤◥``` | ![Sample Gif](gifs/4.gif) | +| 5 | ```◰◳◲◱``` | ![Sample Gif](gifs/5.gif) | +| 6 | ```◴◷◶◵``` | ![Sample Gif](gifs/6.gif) | +| 7 | ```◐◓◑◒``` | ![Sample Gif](gifs/7.gif) | +| 8 | ```.oO@*``` | ![Sample Gif](gifs/8.gif) | +| 9 | ```\|/-\``` | ![Sample Gif](gifs/9.gif) | +| 10 | ```◡◡⊙⊙◠◠``` | ![Sample Gif](gifs/10.gif) | +| 11 | ```⣾⣽⣻⢿⡿⣟⣯⣷``` | ![Sample Gif](gifs/11.gif) | +| 12 | ```>))'> >))'> >))'> >))'> >))'> <'((< <'((< <'((<``` | ![Sample Gif](gifs/12.gif) | +| 13 | ```⠁⠂⠄⡀⢀⠠⠐⠈``` | ![Sample Gif](gifs/13.gif) | +| 14 | ```⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏``` | ![Sample Gif](gifs/14.gif) | +| 15 | ```abcdefghijklmnopqrstuvwxyz``` | ![Sample Gif](gifs/15.gif) | +| 16 | ```▉▊▋▌▍▎▏▎▍▌▋▊▉``` | ![Sample Gif](gifs/16.gif) | +| 17 | ```■□▪▫``` | ![Sample Gif](gifs/17.gif) | +| 18 | ```←↑→↓``` | ![Sample Gif](gifs/18.gif) | +| 19 | ```╫╪``` | ![Sample Gif](gifs/19.gif) | +| 20 | ```⇐⇖⇑⇗⇒⇘⇓⇙``` | ![Sample Gif](gifs/20.gif) | +| 21 | ```⠁⠁⠉⠙⠚⠒⠂⠂⠒⠲⠴⠤⠄⠄⠤⠠⠠⠤⠦⠖⠒⠐⠐⠒⠓⠋⠉⠈⠈``` | ![Sample Gif](gifs/21.gif) | +| 22 | ```⠈⠉⠋⠓⠒⠐⠐⠒⠖⠦⠤⠠⠠⠤⠦⠖⠒⠐⠐⠒⠓⠋⠉⠈``` | ![Sample Gif](gifs/22.gif) | +| 23 | ```⠁⠉⠙⠚⠒⠂⠂⠒⠲⠴⠤⠄⠄⠤⠴⠲⠒⠂⠂⠒⠚⠙⠉⠁``` | ![Sample Gif](gifs/23.gif) | +| 24 | ```⠋⠙⠚⠒⠂⠂⠒⠲⠴⠦⠖⠒⠐⠐⠒⠓⠋``` | ![Sample Gif](gifs/24.gif) | +| 25 | ```ｦｧｨｩｪｫｬｭｮｯｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝ``` | ![Sample Gif](gifs/25.gif) | +| 26 | ```. .. ...``` | ![Sample Gif](gifs/26.gif) | +| 27 | ```▁▂▃▄▅▆▇█▉▊▋▌▍▎▏▏▎▍▌▋▊▉█▇▆▅▄▃▂▁``` | ![Sample Gif](gifs/27.gif) | +| 28 | ```.oO°Oo.``` | ![Sample Gif](gifs/28.gif) | +| 29 | ```+x``` | ![Sample Gif](gifs/29.gif) | +| 30 | ```v<^>``` | ![Sample Gif](gifs/30.gif) | +| 31 | ```>>---> >>---> >>---> >>---> >>---> <---<< <---<< <---<< <---<< <---<<``` | ![Sample Gif](gifs/31.gif) | +| 32 | ```\| \|\| \|\|\| \|\|\|\| \|\|\|\|\| \|\|\|\|\|\| \|\|\|\|\| \|\|\|\| \|\|\| \|\| \|``` | ![Sample Gif](gifs/32.gif) | +| 33 | ```[] [=] [==] [===] [====] [=====] [======] [=======] [========] [=========] [==========]``` | ![Sample Gif](gifs/33.gif) | +| 34 | ```(*---------) (-*--------) (--*-------) (---*------) (----*-----) (-----*----) (------*---) (-------*--) (--------*-) (---------*)``` | ![Sample Gif](gifs/34.gif) | +| 35 | ```█▒▒▒▒▒▒▒▒▒ ███▒▒▒▒▒▒▒ █████▒▒▒▒▒ ███████▒▒▒ ██████████``` | ![Sample Gif](gifs/35.gif) | +| 36 | ```[ ] [=> ] [===> ] [=====> ] [======> ] [========> ] [==========> ] [============> ] [==============> ] [================> ] [==================> ] [===================>]``` | ![Sample Gif](gifs/36.gif) | +| 37 | ```🕐 🕑 🕒 🕓 🕔 🕕 🕖 🕗 🕘 🕙 🕚 🕛``` | ![Sample Gif](gifs/37.gif) | +| 38 | ```🕐 🕜 🕑 🕝 🕒 🕞 🕓 🕟 🕔 🕠 🕕 🕡 🕖 🕢 🕗 🕣 🕘 🕤 🕙 🕥 🕚 🕦 🕛 🕧``` | ![Sample Gif](gifs/38.gif) | +| 39 | ```🌍 🌎 🌏``` | ![Sample Gif](gifs/39.gif) | +| 40 | ```◜ ◝ ◞ ◟``` | ![Sample Gif](gifs/40.gif) | +| 41 | ```⬒ ⬔ ⬓ ⬕``` | ![Sample Gif](gifs/41.gif) | +| 42 | ```⬖ ⬘ ⬗ ⬙``` | ![Sample Gif](gifs/42.gif) | +| 43 | ```[>>> >] []>>>> [] [] >>>> [] [] >>>> [] [] >>>> [] [] >>>>[] [>> >>]``` | ![Sample Gif](gifs/43.gif) | + +## Features + +* Start +* Stop +* Restart +* Reverse direction +* Update the spinner character set +* Update the spinner speed +* Prefix or append text +* Change spinner color, background, and text attributes such as bold / italics +* Get spinner status +* Chain, pipe, redirect output +* Output final string on spinner/indicator completion + +## Examples + +```Go +package main + +import ( + "github.com/briandowns/spinner" + "time" +) + +func main() { + s := spinner.New(spinner.CharSets[9], 100*time.Millisecond) // Build our new spinner + s.Start() // Start the spinner + time.Sleep(4 * time.Second) // Run for some time to simulate work + s.Stop() +} +``` + +## Update the character set and restart the spinner + +```Go +s.UpdateCharSet(spinner.CharSets[1]) // Update spinner to use a different character set +s.Restart() // Restart the spinner +time.Sleep(4 * time.Second) +s.Stop() +``` + +## Update spin speed and restart the spinner + +```Go +s.UpdateSpeed(200 * time.Millisecond) // Update the speed the spinner spins at +s.Restart() +time.Sleep(4 * time.Second) +s.Stop() +``` + +## Reverse the direction of the spinner + +```Go +s.Reverse() // Reverse the direction the spinner is spinning +s.Restart() +time.Sleep(4 * time.Second) +s.Stop() +``` + +## Provide your own spinner + +(or send me an issue or pull request to add to the project) + +```Go +someSet := []string{"+", "-"} +s := spinner.New(someSet, 100*time.Millisecond) +``` + +## Prefix or append text to the spinner + +```Go +s.Prefix = "prefixed text: " // Prefix text before the spinner +s.Suffix = " :appended text" // Append text after the spinner +``` + +## Set or change the color of the spinner. Default color is white. The spinner will need to be restarted to pick up the change. + +```Go +s.Color("red") // Set the spinner color to red +``` + +You can specify both the background and foreground color, as well as additional attributes such as `bold` or `underline`. + +```Go +s.Color("red", "bold") // Set the spinner color to a bold red +``` + +To set the background to black, the foreground to a bold red: + +```Go +s.Color("bgBlack", "bold", "fgRed") +``` + +Below is the full color and attribute list: + +```Go +// default colors +red +black +green +yellow +blue +magenta +cyan +white + +// attributes +reset +bold +faint +italic +underline +blinkslow +blinkrapid +reversevideo +concealed +crossedout + +// foreground text +fgBlack +fgRed +fgGreen +fgYellow +fgBlue +fgMagenta +fgCyan +fgWhite + +// foreground Hi-Intensity text +fgHiBlack +fgHiRed +fgHiGreen +fgHiYellow +fgHiBlue +fgHiMagenta +fgHiCyan +fgHiWhite + +// background text +bgBlack +bgRed +bgGreen +bgYellow +bgBlue +bgMagenta +bgCyan +bgWhite + +// background Hi-Intensity text +bgHiBlack +bgHiRed +bgHiGreen +bgHiYellow +bgHiBlue +bgHiMagenta +bgHiCyan +bgHiWhite +``` + +## Generate a sequence of numbers + +```Go +setOfDigits := spinner.GenerateNumberSequence(25) // Generate a 25 digit string of numbers +s := spinner.New(setOfDigits, 100*time.Millisecond) +``` + +## Get spinner status + +```Go +fmt.Println(s.Active()) +``` + +## Unix pipe and redirect + +Feature suggested and write up by [dekz](https://github.com/dekz) + +Setting the Spinner Writer to Stderr helps show progress to the user, with the enhancement to chain, pipe or redirect the output. + +This is the preferred method of setting a Writer at this time. + +```go +s := spinner.New(spinner.CharSets[11], 100*time.Millisecond, spinner.WithWriter(os.Stderr)) +s.Suffix = " Encrypting data..." +s.Start() +// Encrypt the data into ciphertext +fmt.Println(os.Stdout, ciphertext) +``` + +```sh +> myprog encrypt "Secret text" > encrypted.txt +⣯ Encrypting data... +``` + +```sh +> cat encrypted.txt +1243hjkbas23i9ah27sj39jghv237n2oa93hg83 +``` + +## Final String Output + +Add additional output when the spinner/indicator has completed. The "final" output string can be multi-lined and will be written to wherever the `io.Writer` has been configured for. + +```Go +s := spinner.New(spinner.CharSets[9], 100*time.Millisecond) +s.FinalMSG = "Complete!\nNew line!\nAnother one!\n" +s.Start() +time.Sleep(4 * time.Second) +s.Stop() +``` + +Output +```sh +Complete! +New line! +Another one! +``` diff --git a/vendor/github.com/briandowns/spinner/character_sets.go b/vendor/github.com/briandowns/spinner/character_sets.go new file mode 100644 index 0000000..df41a0f --- /dev/null +++ b/vendor/github.com/briandowns/spinner/character_sets.go @@ -0,0 +1,121 @@ +// Copyright (c) 2022 Brian J. Downs +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package spinner + +const ( + clockOneOClock = '\U0001F550' + clockOneThirty = '\U0001F55C' +) + +// CharSets contains the available character sets +var CharSets = map[int][]string{ + 0: {"←", "↖", "↑", "↗", "→", "↘", "↓", "↙"}, + 1: {"▁", "▃", "▄", "▅", "▆", "▇", "█", "▇", "▆", "▅", "▄", "▃", "▁"}, + 2: {"▖", "▘", "▝", "▗"}, + 3: {"┤", "┘", "┴", "└", "├", "┌", "┬", "┐"}, + 4: {"◢", "◣", "◤", "◥"}, + 5: {"◰", "◳", "◲", "◱"}, + 6: {"◴", "◷", "◶", "◵"}, + 7: {"◐", "◓", "◑", "◒"}, + 8: {".", "o", "O", "@", "*"}, + 9: {"|", "/", "-", "\\"}, + 10: {"◡◡", "⊙⊙", "◠◠"}, + 11: {"⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷"}, + 12: {">))'>", " >))'>", " >))'>", " >))'>", " >))'>", " <'((<", " <'((<", " <'((<"}, + 13: {"⠁", "⠂", "⠄", "⡀", "⢀", "⠠", "⠐", "⠈"}, + 14: {"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}, + 15: {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"}, + 16: {"▉", "▊", "▋", "▌", "▍", "▎", "▏", "▎", "▍", "▌", "▋", "▊", "▉"}, + 17: {"■", "□", "▪", "▫"}, + + 18: {"←", "↑", "→", "↓"}, + 19: {"╫", "╪"}, + 20: {"⇐", "⇖", "⇑", "⇗", "⇒", "⇘", "⇓", "⇙"}, + 21: {"⠁", "⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈", "⠈"}, + 22: {"⠈", "⠉", "⠋", "⠓", "⠒", "⠐", "⠐", "⠒", "⠖", "⠦", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈"}, + 23: {"⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠴", "⠲", "⠒", "⠂", "⠂", "⠒", "⠚", "⠙", "⠉", "⠁"}, + 24: {"⠋", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋"}, + 25: {"ｦ", "ｧ", "ｨ", "ｩ", "ｪ", "ｫ", "ｬ", "ｭ", "ｮ", "ｯ", "ｱ", "ｲ", "ｳ", "ｴ", "ｵ", "ｶ", "ｷ", "ｸ", "ｹ", "ｺ", "ｻ", "ｼ", "ｽ", "ｾ", "ｿ", "ﾀ", "ﾁ", "ﾂ", "ﾃ", "ﾄ", "ﾅ", "ﾆ", "ﾇ", "ﾈ", "ﾉ", "ﾊ", "ﾋ", "ﾌ", "ﾍ", "ﾎ", "ﾏ", "ﾐ", "ﾑ", "ﾒ", "ﾓ", "ﾔ", "ﾕ", "ﾖ", "ﾗ", "ﾘ", "ﾙ", "ﾚ", "ﾛ", "ﾜ", "ﾝ"}, + 26: {".", "..", "..."}, + 27: {"▁", "▂", "▃", "▄", "▅", "▆", "▇", "█", "▉", "▊", "▋", "▌", "▍", "▎", "▏", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█", "▇", "▆", "▅", "▄", "▃", "▂", "▁"}, + 28: {".", "o", "O", "°", "O", "o", "."}, + 29: {"+", "x"}, + 30: {"v", "<", "^", ">"}, + 31: {">>--->", " >>--->", " >>--->", " >>--->", " >>--->", " <---<<", " <---<<", " <---<<", " <---<<", "<---<<"}, + 32: {"|", "||", "|||", "||||", "|||||", "|||||||", "||||||||", "|||||||", "||||||", "|||||", "||||", "|||", "||", "|"}, + 33: {"[ ]", "[= ]", "[== ]", "[=== ]", "[==== ]", "[===== ]", "[====== ]", "[======= ]", "[======== ]", "[========= ]", "[==========]"}, + 34: {"(*---------)", "(-*--------)", "(--*-------)", "(---*------)", "(----*-----)", "(-----*----)", "(------*---)", "(-------*--)", "(--------*-)", "(---------*)"}, + 35: {"█▒▒▒▒▒▒▒▒▒", "███▒▒▒▒▒▒▒", "█████▒▒▒▒▒", "███████▒▒▒", "██████████"}, + 36: {"[ ]", "[=> ]", "[===> ]", "[=====> ]", "[======> ]", "[========> ]", "[==========> ]", "[============> ]", "[==============> ]", "[================> ]", "[==================> ]", "[===================>]"}, + 39: {"🌍", "🌎", "🌏"}, + 40: {"◜", "◝", "◞", "◟"}, + 41: {"⬒", "⬔", "⬓", "⬕"}, + 42: {"⬖", "⬘", "⬗", "⬙"}, + 43: {"[>>> >]", "[]>>>> []", "[] >>>> []", "[] >>>> []", "[] >>>> []", "[] >>>>[]", "[>> >>]"}, + 44: {"♠", "♣", "♥", "♦"}, + 45: {"➞", "➟", "➠", "➡", "➠", "➟"}, + 46: {" | ", ` \ `, "_ ", ` \ `, " | ", " / ", " _", " / "}, + 47: {" . . . .", ". . . .", ". . . .", ". . . .", ". . . . ", ". . . . ."}, + 48: {" | ", " / ", " _ ", ` \ `, " | ", ` \ `, " _ ", " / "}, + 49: {"⎺", "⎻", "⎼", "⎽", "⎼", "⎻"}, + 50: {"▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"}, + 51: {"[ ]", "[ =]", "[ ==]", "[ ===]", "[====]", "[=== ]", "[== ]", "[= ]"}, + 52: {"( ● )", "( ● )", "( ● )", "( ● )", "( ●)", "( ● )", "( ● )", "( ● )", "( ● )"}, + 53: {"✶", "✸", "✹", "✺", "✹", "✷"}, + 54: {"▐|\\____________▌", "▐_|\\___________▌", "▐__|\\__________▌", "▐___|\\_________▌", "▐____|\\________▌", "▐_____|\\_______▌", "▐______|\\______▌", "▐_______|\\_____▌", "▐________|\\____▌", "▐_________|\\___▌", "▐__________|\\__▌", "▐___________|\\_▌", "▐____________|\\▌", "▐____________/|▌", "▐___________/|_▌", "▐__________/|__▌", "▐_________/|___▌", "▐________/|____▌", "▐_______/|_____▌", "▐______/|______▌", "▐_____/|_______▌", "▐____/|________▌", "▐___/|_________▌", "▐__/|__________▌", "▐_/|___________▌", "▐/|____________▌"}, + 55: {"▐⠂ ▌", "▐⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂▌", "▐ ⠠▌", "▐ ⡀▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐⠠ ▌"}, + 56: {"¿", "?"}, + 57: {"⢹", "⢺", "⢼", "⣸", "⣇", "⡧", "⡗", "⡏"}, + 58: {"⢄", "⢂", "⢁", "⡁", "⡈", "⡐", "⡠"}, + 59: {". ", ".. ", "...", " ..", " .", " "}, + 60: {".", "o", "O", "°", "O", "o", "."}, + 61: {"▓", "▒", "░"}, + 62: {"▌", "▀", "▐", "▄"}, + 63: {"⊶", "⊷"}, + 64: {"▪", "▫"}, + 65: {"□", "■"}, + 66: {"▮", "▯"}, + 67: {"-", "=", "≡"}, + 68: {"d", "q", "p", "b"}, + 69: {"∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"}, + 70: {"🌑 ", "🌒 ", "🌓 ", "🌔 ", "🌕 ", "🌖 ", "🌗 ", "🌘 "}, + 71: {"☗", "☖"}, + 72: {"⧇", "⧆"}, + 73: {"◉", "◎"}, + 74: {"㊂", "㊀", "㊁"}, + 75: {"⦾", "⦿"}, + 76: {"ဝ", "၀"}, + 77: {"▌", "▀", "▐▄"}, + 78: {"⠈⠁", "⠈⠑", "⠈⠱", "⠈⡱", "⢀⡱", "⢄⡱", "⢄⡱", "⢆⡱", "⢎⡱", "⢎⡰", "⢎⡠", "⢎⡀", "⢎⠁", "⠎⠁", "⠊⠁"}, + 79: {"________", "-_______", "_-______", "__-_____", "___-____", "____-___", "_____-__", "______-_", "_______-", "________", "_______-", "______-_", "_____-__", "____-___", "___-____", "__-_____", "_-______", "-_______", "________"}, + 80: {"|_______", "_/______", "__-_____", "___\\____", "____|___", "_____/__", "______-_", "_______\\", "_______|", "______\\_", "_____-__", "____/___", "___|____", "__\\_____", "_-______"}, + 81: {"□", "◱", "◧", "▣", "■"}, + 82: {"□", "◱", "▨", "▩", "■"}, + 83: {"░", "▒", "▓", "█"}, + 84: {"░", "█"}, + 85: {"⚪", "⚫"}, + 86: {"◯", "⬤"}, + 87: {"▱", "▰"}, + 88: {"➊", "➋", "➌", "➍", "➎", "➏", "➐", "➑", "➒", "➓"}, + 89: {"½", "⅓", "⅔", "¼", "¾", "⅛", "⅜", "⅝", "⅞"}, + 90: {"↞", "↟", "↠", "↡"}, +} + +func init() { + for i := rune(0); i < 12; i++ { + CharSets[37] = append(CharSets[37], string([]rune{clockOneOClock + i})) + CharSets[38] = append(CharSets[38], string([]rune{clockOneOClock + i}), string([]rune{clockOneThirty + i})) + } +} diff --git a/vendor/github.com/briandowns/spinner/spinner.go b/vendor/github.com/briandowns/spinner/spinner.go new file mode 100644 index 0000000..97b1a8f --- /dev/null +++ b/vendor/github.com/briandowns/spinner/spinner.go @@ -0,0 +1,557 @@ +// Copyright (c) 2021 Brian J. Downs +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package spinner is a simple package to add a spinner / progress indicator to any terminal application. +package spinner + +import ( + "errors" + "fmt" + "io" + "math" + "os" + "runtime" + "strconv" + "strings" + "sync" + "time" + "unicode/utf8" + + "github.com/fatih/color" + "github.com/mattn/go-isatty" + "golang.org/x/term" +) + +// errInvalidColor is returned when attempting to set an invalid color +var errInvalidColor = errors.New("invalid color") + +// validColors holds an array of the only colors allowed +var validColors = map[string]bool{ + // default colors for backwards compatibility + "black": true, + "red": true, + "green": true, + "yellow": true, + "blue": true, + "magenta": true, + "cyan": true, + "white": true, + + // attributes + "reset": true, + "bold": true, + "faint": true, + "italic": true, + "underline": true, + "blinkslow": true, + "blinkrapid": true, + "reversevideo": true, + "concealed": true, + "crossedout": true, + + // foreground text + "fgBlack": true, + "fgRed": true, + "fgGreen": true, + "fgYellow": true, + "fgBlue": true, + "fgMagenta": true, + "fgCyan": true, + "fgWhite": true, + + // foreground Hi-Intensity text + "fgHiBlack": true, + "fgHiRed": true, + "fgHiGreen": true, + "fgHiYellow": true, + "fgHiBlue": true, + "fgHiMagenta": true, + "fgHiCyan": true, + "fgHiWhite": true, + + // background text + "bgBlack": true, + "bgRed": true, + "bgGreen": true, + "bgYellow": true, + "bgBlue": true, + "bgMagenta": true, + "bgCyan": true, + "bgWhite": true, + + // background Hi-Intensity text + "bgHiBlack": true, + "bgHiRed": true, + "bgHiGreen": true, + "bgHiYellow": true, + "bgHiBlue": true, + "bgHiMagenta": true, + "bgHiCyan": true, + "bgHiWhite": true, +} + +// returns true if the OS is windows and the WT_SESSION env variable is set. +var isWindows = runtime.GOOS == "windows" +var isWindowsTerminalOnWindows = len(os.Getenv("WT_SESSION")) > 0 && isWindows + +// returns a valid color's foreground text color attribute +var colorAttributeMap = map[string]color.Attribute{ + // default colors for backwards compatibility + "black": color.FgBlack, + "red": color.FgRed, + "green": color.FgGreen, + "yellow": color.FgYellow, + "blue": color.FgBlue, + "magenta": color.FgMagenta, + "cyan": color.FgCyan, + "white": color.FgWhite, + + // attributes + "reset": color.Reset, + "bold": color.Bold, + "faint": color.Faint, + "italic": color.Italic, + "underline": color.Underline, + "blinkslow": color.BlinkSlow, + "blinkrapid": color.BlinkRapid, + "reversevideo": color.ReverseVideo, + "concealed": color.Concealed, + "crossedout": color.CrossedOut, + + // foreground text colors + "fgBlack": color.FgBlack, + "fgRed": color.FgRed, + "fgGreen": color.FgGreen, + "fgYellow": color.FgYellow, + "fgBlue": color.FgBlue, + "fgMagenta": color.FgMagenta, + "fgCyan": color.FgCyan, + "fgWhite": color.FgWhite, + + // foreground Hi-Intensity text colors + "fgHiBlack": color.FgHiBlack, + "fgHiRed": color.FgHiRed, + "fgHiGreen": color.FgHiGreen, + "fgHiYellow": color.FgHiYellow, + "fgHiBlue": color.FgHiBlue, + "fgHiMagenta": color.FgHiMagenta, + "fgHiCyan": color.FgHiCyan, + "fgHiWhite": color.FgHiWhite, + + // background text colors + "bgBlack": color.BgBlack, + "bgRed": color.BgRed, + "bgGreen": color.BgGreen, + "bgYellow": color.BgYellow, + "bgBlue": color.BgBlue, + "bgMagenta": color.BgMagenta, + "bgCyan": color.BgCyan, + "bgWhite": color.BgWhite, + + // background Hi-Intensity text colors + "bgHiBlack": color.BgHiBlack, + "bgHiRed": color.BgHiRed, + "bgHiGreen": color.BgHiGreen, + "bgHiYellow": color.BgHiYellow, + "bgHiBlue": color.BgHiBlue, + "bgHiMagenta": color.BgHiMagenta, + "bgHiCyan": color.BgHiCyan, + "bgHiWhite": color.BgHiWhite, +} + +// validColor will make sure the given color is actually allowed. +func validColor(c string) bool { + return validColors[c] +} + +// Spinner struct to hold the provided options. +type Spinner struct { + mu *sync.RWMutex + Delay time.Duration // Delay is the speed of the indicator + chars []string // chars holds the chosen character set + Prefix string // Prefix is the text preppended to the indicator + Suffix string // Suffix is the text appended to the indicator + FinalMSG string // string displayed after Stop() is called + lastOutputPlain string // last character(set) written + LastOutput string // last character(set) written with colors + color func(a ...interface{}) string // default color is white + Writer io.Writer // to make testing better, exported so users have access. Use `WithWriter` to update after initialization. + WriterFile *os.File // writer as file to allow terminal check + active bool // active holds the state of the spinner + enabled bool // indicates whether the spinner is enabled or not + stopChan chan struct{} // stopChan is a channel used to stop the indicator + HideCursor bool // hideCursor determines if the cursor is visible + PreUpdate func(s *Spinner) // will be triggered before every spinner update + PostUpdate func(s *Spinner) // will be triggered after every spinner update +} + +// New provides a pointer to an instance of Spinner with the supplied options. +func New(cs []string, d time.Duration, options ...Option) *Spinner { + s := &Spinner{ + Delay: d, + chars: cs, + color: color.New(color.FgWhite).SprintFunc(), + mu: &sync.RWMutex{}, + Writer: color.Output, + WriterFile: os.Stdout, // matches color.Output + stopChan: make(chan struct{}, 1), + active: false, + enabled: true, + HideCursor: true, + } + + for _, option := range options { + option(s) + } + + return s +} + +// Option is a function that takes a spinner and applies +// a given configuration. +type Option func(*Spinner) + +// Options contains fields to configure the spinner. +type Options struct { + Color string + Suffix string + FinalMSG string + HideCursor bool +} + +// WithColor adds the given color to the spinner. +func WithColor(color string) Option { + return func(s *Spinner) { + s.Color(color) + } +} + +// WithSuffix adds the given string to the spinner +// as the suffix. +func WithSuffix(suffix string) Option { + return func(s *Spinner) { + s.Suffix = suffix + } +} + +// WithFinalMSG adds the given string ot the spinner +// as the final message to be written. +func WithFinalMSG(finalMsg string) Option { + return func(s *Spinner) { + s.FinalMSG = finalMsg + } +} + +// WithHiddenCursor hides the cursor +// if hideCursor = true given. +func WithHiddenCursor(hideCursor bool) Option { + return func(s *Spinner) { + s.HideCursor = hideCursor + } +} + +// WithWriter adds the given writer to the spinner. This +// function should be favored over directly assigning to +// the struct value. Assumes it is not working on a terminal +// since it cannot determine from io.Writer. Use WithWriterFile +// to support terminal checks. +func WithWriter(w io.Writer) Option { + return func(s *Spinner) { + s.mu.Lock() + s.Writer = w + s.WriterFile = os.Stdout // emulate previous behavior for terminal check + s.mu.Unlock() + } +} + +// WithWriterFile adds the given writer to the spinner. This +// function should be favored over directly assigning to +// the struct value. Unlike WithWriter, this function allows +// us to check if displaying to a terminal (enable spinning) or +// not (disable spinning). Supersedes WithWriter() +func WithWriterFile(f *os.File) Option { + return func(s *Spinner) { + s.mu.Lock() + s.Writer = f // io.Writer for actual writing + s.WriterFile = f // file used only for terminal check + s.mu.Unlock() + } +} + +// Active will return whether or not the spinner is currently active. +func (s *Spinner) Active() bool { + return s.active +} + +// Enabled returns whether or not the spinner is enabled. +func (s *Spinner) Enabled() bool { + return s.enabled +} + +// Enable enables and restarts the spinner +func (s *Spinner) Enable() { + s.enabled = true + s.Restart() +} + +// Disable stops and disables the spinner +func (s *Spinner) Disable() { + s.enabled = false + s.Stop() +} + +// Start will start the indicator. +func (s *Spinner) Start() { + s.mu.Lock() + if s.active || !s.enabled || !isRunningInTerminal(s) { + s.mu.Unlock() + return + } + if s.HideCursor && !isWindowsTerminalOnWindows { + // hides the cursor + fmt.Fprint(s.Writer, "\033[?25l") + } + // Disable colors for simple Windows CMD or Powershell + // as they can not recognize them + if isWindows && !isWindowsTerminalOnWindows { + color.NoColor = true + } + + s.active = true + s.mu.Unlock() + + go func() { + for { + for i := 0; i < len(s.chars); i++ { + select { + case <-s.stopChan: + return + default: + s.mu.Lock() + if !s.active { + s.mu.Unlock() + return + } + if !isWindowsTerminalOnWindows { + s.erase() + } + + if s.PreUpdate != nil { + s.PreUpdate(s) + } + + var outColor string + if isWindows { + if s.Writer == os.Stderr { + outColor = fmt.Sprintf("\r%s%s%s", s.Prefix, s.chars[i], s.Suffix) + } else { + outColor = fmt.Sprintf("\r%s%s%s", s.Prefix, s.color(s.chars[i]), s.Suffix) + } + } else { + outColor = fmt.Sprintf("\r%s%s%s", s.Prefix, s.color(s.chars[i]), s.Suffix) + } + outPlain := fmt.Sprintf("\r%s%s%s", s.Prefix, s.chars[i], s.Suffix) + fmt.Fprint(s.Writer, outColor) + s.lastOutputPlain = outPlain + s.LastOutput = outColor + delay := s.Delay + + if s.PostUpdate != nil { + s.PostUpdate(s) + } + + s.mu.Unlock() + time.Sleep(delay) + } + } + } + }() +} + +// Stop stops the indicator. +func (s *Spinner) Stop() { + s.mu.Lock() + defer s.mu.Unlock() + if s.active { + s.active = false + if s.HideCursor && !isWindowsTerminalOnWindows { + // makes the cursor visible + fmt.Fprint(s.Writer, "\033[?25h") + } + s.erase() + if s.FinalMSG != "" { + if isWindowsTerminalOnWindows { + fmt.Fprint(s.Writer, "\r", s.FinalMSG) + } else { + fmt.Fprint(s.Writer, s.FinalMSG) + } + } + s.stopChan <- struct{}{} + } +} + +// Restart will stop and start the indicator. +func (s *Spinner) Restart() { + s.Stop() + s.Start() +} + +// Reverse will reverse the order of the slice assigned to the indicator. +func (s *Spinner) Reverse() { + s.mu.Lock() + for i, j := 0, len(s.chars)-1; i < j; i, j = i+1, j-1 { + s.chars[i], s.chars[j] = s.chars[j], s.chars[i] + } + s.mu.Unlock() +} + +// Color will set the struct field for the given color to be used. The spinner +// will need to be explicitly restarted. +func (s *Spinner) Color(colors ...string) error { + colorAttributes := make([]color.Attribute, len(colors)) + + // Verify colours are valid and place the appropriate attribute in the array + for index, c := range colors { + if !validColor(c) { + return errInvalidColor + } + colorAttributes[index] = colorAttributeMap[c] + } + + s.mu.Lock() + s.color = color.New(colorAttributes...).SprintFunc() + s.mu.Unlock() + return nil +} + +// UpdateSpeed will set the indicator delay to the given value. +func (s *Spinner) UpdateSpeed(d time.Duration) { + s.mu.Lock() + s.Delay = d + s.mu.Unlock() +} + +// UpdateCharSet will change the current character set to the given one. +func (s *Spinner) UpdateCharSet(cs []string) { + s.mu.Lock() + s.chars = cs + s.mu.Unlock() +} + +// erase deletes written characters on the current line. +// Caller must already hold s.lock. +func (s *Spinner) erase() { + n := utf8.RuneCountInString(s.lastOutputPlain) + if runtime.GOOS == "windows" && !isWindowsTerminalOnWindows { + clearString := "\r" + strings.Repeat(" ", n) + "\r" + fmt.Fprint(s.Writer, clearString) + s.lastOutputPlain = "" + return + } + + numberOfLinesToErase := computeNumberOfLinesNeededToPrintString(s.lastOutputPlain) + + // Taken from https://en.wikipedia.org/wiki/ANSI_escape_code: + // \r - Carriage return - Moves the cursor to column zero + // \033[K - Erases part of the line. If n is 0 (or missing), clear from + // cursor to the end of the line. If n is 1, clear from cursor to beginning + // of the line. If n is 2, clear entire line. Cursor position does not + // change. + // \033[F - Go to the beginning of previous line + eraseCodeString := strings.Builder{} + // current position is at the end of the last printed line. Start by erasing current line + eraseCodeString.WriteString("\r\033[K") // start by erasing current line + for i := 1; i < numberOfLinesToErase; i++ { + // For each additional lines, go up one line and erase it. + eraseCodeString.WriteString("\033[F\033[K") + } + fmt.Fprintf(s.Writer, eraseCodeString.String()) + s.lastOutputPlain = "" +} + +// Lock allows for manual control to lock the spinner. +func (s *Spinner) Lock() { + s.mu.Lock() +} + +// Unlock allows for manual control to unlock the spinner. +func (s *Spinner) Unlock() { + s.mu.Unlock() +} + +// GenerateNumberSequence will generate a slice of integers at the +// provided length and convert them each to a string. +func GenerateNumberSequence(length int) []string { + numSeq := make([]string, length) + for i := 0; i < length; i++ { + numSeq[i] = strconv.Itoa(i) + } + return numSeq +} + +// isRunningInTerminal check if the writer file descriptor is a terminal +func isRunningInTerminal(s *Spinner) bool { + return isatty.IsTerminal(s.WriterFile.Fd()) +} + +func computeNumberOfLinesNeededToPrintString(linePrinted string) int { + terminalWidth := math.MaxInt // assume infinity by default to keep behaviour consistent with what we had before + if term.IsTerminal(0) { + if width, _, err := term.GetSize(0); err == nil { + terminalWidth = width + } + } + return computeNumberOfLinesNeededToPrintStringInternal(linePrinted, terminalWidth) +} + +// isAnsiMarker returns if a rune denotes the start of an ANSI sequence +func isAnsiMarker(r rune) bool { + return r == '\x1b' +} + +// isAnsiTerminator returns if a rune denotes the end of an ANSI sequence +func isAnsiTerminator(r rune) bool { + return (r >= 0x40 && r <= 0x5a) || (r == 0x5e) || (r >= 0x60 && r <= 0x7e) +} + +// computeLineWidth returns the displayed width of a line +func computeLineWidth(line string) int { + width := 0 + ansi := false + + for _, r := range []rune(line) { + // increase width only when outside of ANSI escape sequences + if ansi || isAnsiMarker(r) { + ansi = !isAnsiTerminator(r) + } else { + width += utf8.RuneLen(r) + } + } + + return width +} + +func computeNumberOfLinesNeededToPrintStringInternal(linePrinted string, maxLineWidth int) int { + lineCount := 0 + for _, line := range strings.Split(linePrinted, "\n") { + lineCount += 1 + + lineWidth := computeLineWidth(line) + if lineWidth > maxLineWidth { + lineCount += int(float64(lineWidth) / float64(maxLineWidth)) + } + } + + return lineCount +} diff --git a/vendor/github.com/fatih/color/LICENSE.md b/vendor/github.com/fatih/color/LICENSE.md new file mode 100644 index 0000000..25fdaf6 --- /dev/null +++ b/vendor/github.com/fatih/color/LICENSE.md @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2013 Fatih Arslan + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/fatih/color/README.md b/vendor/github.com/fatih/color/README.md new file mode 100644 index 0000000..be82827 --- /dev/null +++ b/vendor/github.com/fatih/color/README.md @@ -0,0 +1,176 @@ +# color [![](https://github.com/fatih/color/workflows/build/badge.svg)](https://github.com/fatih/color/actions) [![PkgGoDev](https://pkg.go.dev/badge/github.com/fatih/color)](https://pkg.go.dev/github.com/fatih/color) + +Color lets you use colorized outputs in terms of [ANSI Escape +Codes](http://en.wikipedia.org/wiki/ANSI_escape_code#Colors) in Go (Golang). It +has support for Windows too! The API can be used in several ways, pick one that +suits you. + +![Color](https://user-images.githubusercontent.com/438920/96832689-03b3e000-13f4-11eb-9803-46f4c4de3406.jpg) + +## Install + +```bash +go get github.com/fatih/color +``` + +## Examples + +### Standard colors + +```go +// Print with default helper functions +color.Cyan("Prints text in cyan.") + +// A newline will be appended automatically +color.Blue("Prints %s in blue.", "text") + +// These are using the default foreground colors +color.Red("We have red") +color.Magenta("And many others ..") + +``` + +### Mix and reuse colors + +```go +// Create a new color object +c := color.New(color.FgCyan).Add(color.Underline) +c.Println("Prints cyan text with an underline.") + +// Or just add them to New() +d := color.New(color.FgCyan, color.Bold) +d.Printf("This prints bold cyan %s\n", "too!.") + +// Mix up foreground and background colors, create new mixes! +red := color.New(color.FgRed) + +boldRed := red.Add(color.Bold) +boldRed.Println("This will print text in bold red.") + +whiteBackground := red.Add(color.BgWhite) +whiteBackground.Println("Red text with white background.") +``` + +### Use your own output (io.Writer) + +```go +// Use your own io.Writer output +color.New(color.FgBlue).Fprintln(myWriter, "blue color!") + +blue := color.New(color.FgBlue) +blue.Fprint(writer, "This will print text in blue.") +``` + +### Custom print functions (PrintFunc) + +```go +// Create a custom print function for convenience +red := color.New(color.FgRed).PrintfFunc() +red("Warning") +red("Error: %s", err) + +// Mix up multiple attributes +notice := color.New(color.Bold, color.FgGreen).PrintlnFunc() +notice("Don't forget this...") +``` + +### Custom fprint functions (FprintFunc) + +```go +blue := color.New(color.FgBlue).FprintfFunc() +blue(myWriter, "important notice: %s", stars) + +// Mix up with multiple attributes +success := color.New(color.Bold, color.FgGreen).FprintlnFunc() +success(myWriter, "Don't forget this...") +``` + +### Insert into noncolor strings (SprintFunc) + +```go +// Create SprintXxx functions to mix strings with other non-colorized strings: +yellow := color.New(color.FgYellow).SprintFunc() +red := color.New(color.FgRed).SprintFunc() +fmt.Printf("This is a %s and this is %s.\n", yellow("warning"), red("error")) + +info := color.New(color.FgWhite, color.BgGreen).SprintFunc() +fmt.Printf("This %s rocks!\n", info("package")) + +// Use helper functions +fmt.Println("This", color.RedString("warning"), "should be not neglected.") +fmt.Printf("%v %v\n", color.GreenString("Info:"), "an important message.") + +// Windows supported too! Just don't forget to change the output to color.Output +fmt.Fprintf(color.Output, "Windows support: %s", color.GreenString("PASS")) +``` + +### Plug into existing code + +```go +// Use handy standard colors +color.Set(color.FgYellow) + +fmt.Println("Existing text will now be in yellow") +fmt.Printf("This one %s\n", "too") + +color.Unset() // Don't forget to unset + +// You can mix up parameters +color.Set(color.FgMagenta, color.Bold) +defer color.Unset() // Use it in your function + +fmt.Println("All text will now be bold magenta.") +``` + +### Disable/Enable color + +There might be a case where you want to explicitly disable/enable color output. the +`go-isatty` package will automatically disable color output for non-tty output streams +(for example if the output were piped directly to `less`). + +The `color` package also disables color output if the [`NO_COLOR`](https://no-color.org) environment +variable is set to a non-empty string. + +`Color` has support to disable/enable colors programmatically both globally and +for single color definitions. For example suppose you have a CLI app and a +`-no-color` bool flag. You can easily disable the color output with: + +```go +var flagNoColor = flag.Bool("no-color", false, "Disable color output") + +if *flagNoColor { + color.NoColor = true // disables colorized output +} +``` + +It also has support for single color definitions (local). You can +disable/enable color output on the fly: + +```go +c := color.New(color.FgCyan) +c.Println("Prints cyan text") + +c.DisableColor() +c.Println("This is printed without any color") + +c.EnableColor() +c.Println("This prints again cyan...") +``` + +## GitHub Actions + +To output color in GitHub Actions (or other CI systems that support ANSI colors), make sure to set `color.NoColor = false` so that it bypasses the check for non-tty output streams. + +## Todo + +* Save/Return previous values +* Evaluate fmt.Formatter interface + +## Credits + +* [Fatih Arslan](https://github.com/fatih) +* Windows support via @mattn: [colorable](https://github.com/mattn/go-colorable) + +## License + +The MIT License (MIT) - see [`LICENSE.md`](https://github.com/fatih/color/blob/master/LICENSE.md) for more details diff --git a/vendor/github.com/fatih/color/color.go b/vendor/github.com/fatih/color/color.go new file mode 100644 index 0000000..81094e8 --- /dev/null +++ b/vendor/github.com/fatih/color/color.go @@ -0,0 +1,655 @@ +package color + +import ( + "fmt" + "io" + "os" + "strconv" + "strings" + "sync" + + "github.com/mattn/go-colorable" + "github.com/mattn/go-isatty" +) + +var ( + // NoColor defines if the output is colorized or not. It's dynamically set to + // false or true based on the stdout's file descriptor referring to a terminal + // or not. It's also set to true if the NO_COLOR environment variable is + // set (regardless of its value). This is a global option and affects all + // colors. For more control over each color block use the methods + // DisableColor() individually. + NoColor = noColorIsSet() || os.Getenv("TERM") == "dumb" || + (!isatty.IsTerminal(os.Stdout.Fd()) && !isatty.IsCygwinTerminal(os.Stdout.Fd())) + + // Output defines the standard output of the print functions. By default, + // os.Stdout is used. + Output = colorable.NewColorableStdout() + + // Error defines a color supporting writer for os.Stderr. + Error = colorable.NewColorableStderr() + + // colorsCache is used to reduce the count of created Color objects and + // allows to reuse already created objects with required Attribute. + colorsCache = make(map[Attribute]*Color) + colorsCacheMu sync.Mutex // protects colorsCache +) + +// noColorIsSet returns true if the environment variable NO_COLOR is set to a non-empty string. +func noColorIsSet() bool { + return os.Getenv("NO_COLOR") != "" +} + +// Color defines a custom color object which is defined by SGR parameters. +type Color struct { + params []Attribute + noColor *bool +} + +// Attribute defines a single SGR Code +type Attribute int + +const escape = "\x1b" + +// Base attributes +const ( + Reset Attribute = iota + Bold + Faint + Italic + Underline + BlinkSlow + BlinkRapid + ReverseVideo + Concealed + CrossedOut +) + +const ( + ResetBold Attribute = iota + 22 + ResetItalic + ResetUnderline + ResetBlinking + _ + ResetReversed + ResetConcealed + ResetCrossedOut +) + +var mapResetAttributes map[Attribute]Attribute = map[Attribute]Attribute{ + Bold: ResetBold, + Faint: ResetBold, + Italic: ResetItalic, + Underline: ResetUnderline, + BlinkSlow: ResetBlinking, + BlinkRapid: ResetBlinking, + ReverseVideo: ResetReversed, + Concealed: ResetConcealed, + CrossedOut: ResetCrossedOut, +} + +// Foreground text colors +const ( + FgBlack Attribute = iota + 30 + FgRed + FgGreen + FgYellow + FgBlue + FgMagenta + FgCyan + FgWhite +) + +// Foreground Hi-Intensity text colors +const ( + FgHiBlack Attribute = iota + 90 + FgHiRed + FgHiGreen + FgHiYellow + FgHiBlue + FgHiMagenta + FgHiCyan + FgHiWhite +) + +// Background text colors +const ( + BgBlack Attribute = iota + 40 + BgRed + BgGreen + BgYellow + BgBlue + BgMagenta + BgCyan + BgWhite +) + +// Background Hi-Intensity text colors +const ( + BgHiBlack Attribute = iota + 100 + BgHiRed + BgHiGreen + BgHiYellow + BgHiBlue + BgHiMagenta + BgHiCyan + BgHiWhite +) + +// New returns a newly created color object. +func New(value ...Attribute) *Color { + c := &Color{ + params: make([]Attribute, 0), + } + + if noColorIsSet() { + c.noColor = boolPtr(true) + } + + c.Add(value...) + return c +} + +// Set sets the given parameters immediately. It will change the color of +// output with the given SGR parameters until color.Unset() is called. +func Set(p ...Attribute) *Color { + c := New(p...) + c.Set() + return c +} + +// Unset resets all escape attributes and clears the output. Usually should +// be called after Set(). +func Unset() { + if NoColor { + return + } + + fmt.Fprintf(Output, "%s[%dm", escape, Reset) +} + +// Set sets the SGR sequence. +func (c *Color) Set() *Color { + if c.isNoColorSet() { + return c + } + + fmt.Fprint(Output, c.format()) + return c +} + +func (c *Color) unset() { + if c.isNoColorSet() { + return + } + + Unset() +} + +// SetWriter is used to set the SGR sequence with the given io.Writer. This is +// a low-level function, and users should use the higher-level functions, such +// as color.Fprint, color.Print, etc. +func (c *Color) SetWriter(w io.Writer) *Color { + if c.isNoColorSet() { + return c + } + + fmt.Fprint(w, c.format()) + return c +} + +// UnsetWriter resets all escape attributes and clears the output with the give +// io.Writer. Usually should be called after SetWriter(). +func (c *Color) UnsetWriter(w io.Writer) { + if c.isNoColorSet() { + return + } + + if NoColor { + return + } + + fmt.Fprintf(w, "%s[%dm", escape, Reset) +} + +// Add is used to chain SGR parameters. Use as many as parameters to combine +// and create custom color objects. Example: Add(color.FgRed, color.Underline). +func (c *Color) Add(value ...Attribute) *Color { + c.params = append(c.params, value...) + return c +} + +// Fprint formats using the default formats for its operands and writes to w. +// Spaces are added between operands when neither is a string. +// It returns the number of bytes written and any write error encountered. +// On Windows, users should wrap w with colorable.NewColorable() if w is of +// type *os.File. +func (c *Color) Fprint(w io.Writer, a ...interface{}) (n int, err error) { + c.SetWriter(w) + defer c.UnsetWriter(w) + + return fmt.Fprint(w, a...) +} + +// Print formats using the default formats for its operands and writes to +// standard output. Spaces are added between operands when neither is a +// string. It returns the number of bytes written and any write error +// encountered. This is the standard fmt.Print() method wrapped with the given +// color. +func (c *Color) Print(a ...interface{}) (n int, err error) { + c.Set() + defer c.unset() + + return fmt.Fprint(Output, a...) +} + +// Fprintf formats according to a format specifier and writes to w. +// It returns the number of bytes written and any write error encountered. +// On Windows, users should wrap w with colorable.NewColorable() if w is of +// type *os.File. +func (c *Color) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) { + c.SetWriter(w) + defer c.UnsetWriter(w) + + return fmt.Fprintf(w, format, a...) +} + +// Printf formats according to a format specifier and writes to standard output. +// It returns the number of bytes written and any write error encountered. +// This is the standard fmt.Printf() method wrapped with the given color. +func (c *Color) Printf(format string, a ...interface{}) (n int, err error) { + c.Set() + defer c.unset() + + return fmt.Fprintf(Output, format, a...) +} + +// Fprintln formats using the default formats for its operands and writes to w. +// Spaces are always added between operands and a newline is appended. +// On Windows, users should wrap w with colorable.NewColorable() if w is of +// type *os.File. +func (c *Color) Fprintln(w io.Writer, a ...interface{}) (n int, err error) { + return fmt.Fprintln(w, c.wrap(sprintln(a...))) +} + +// Println formats using the default formats for its operands and writes to +// standard output. Spaces are always added between operands and a newline is +// appended. It returns the number of bytes written and any write error +// encountered. This is the standard fmt.Print() method wrapped with the given +// color. +func (c *Color) Println(a ...interface{}) (n int, err error) { + return fmt.Fprintln(Output, c.wrap(sprintln(a...))) +} + +// Sprint is just like Print, but returns a string instead of printing it. +func (c *Color) Sprint(a ...interface{}) string { + return c.wrap(fmt.Sprint(a...)) +} + +// Sprintln is just like Println, but returns a string instead of printing it. +func (c *Color) Sprintln(a ...interface{}) string { + return c.wrap(sprintln(a...)) + "\n" +} + +// Sprintf is just like Printf, but returns a string instead of printing it. +func (c *Color) Sprintf(format string, a ...interface{}) string { + return c.wrap(fmt.Sprintf(format, a...)) +} + +// FprintFunc returns a new function that prints the passed arguments as +// colorized with color.Fprint(). +func (c *Color) FprintFunc() func(w io.Writer, a ...interface{}) { + return func(w io.Writer, a ...interface{}) { + c.Fprint(w, a...) + } +} + +// PrintFunc returns a new function that prints the passed arguments as +// colorized with color.Print(). +func (c *Color) PrintFunc() func(a ...interface{}) { + return func(a ...interface{}) { + c.Print(a...) + } +} + +// FprintfFunc returns a new function that prints the passed arguments as +// colorized with color.Fprintf(). +func (c *Color) FprintfFunc() func(w io.Writer, format string, a ...interface{}) { + return func(w io.Writer, format string, a ...interface{}) { + c.Fprintf(w, format, a...) + } +} + +// PrintfFunc returns a new function that prints the passed arguments as +// colorized with color.Printf(). +func (c *Color) PrintfFunc() func(format string, a ...interface{}) { + return func(format string, a ...interface{}) { + c.Printf(format, a...) + } +} + +// FprintlnFunc returns a new function that prints the passed arguments as +// colorized with color.Fprintln(). +func (c *Color) FprintlnFunc() func(w io.Writer, a ...interface{}) { + return func(w io.Writer, a ...interface{}) { + c.Fprintln(w, a...) + } +} + +// PrintlnFunc returns a new function that prints the passed arguments as +// colorized with color.Println(). +func (c *Color) PrintlnFunc() func(a ...interface{}) { + return func(a ...interface{}) { + c.Println(a...) + } +} + +// SprintFunc returns a new function that returns colorized strings for the +// given arguments with fmt.Sprint(). Useful to put into or mix into other +// string. Windows users should use this in conjunction with color.Output, example: +// +// put := New(FgYellow).SprintFunc() +// fmt.Fprintf(color.Output, "This is a %s", put("warning")) +func (c *Color) SprintFunc() func(a ...interface{}) string { + return func(a ...interface{}) string { + return c.wrap(fmt.Sprint(a...)) + } +} + +// SprintfFunc returns a new function that returns colorized strings for the +// given arguments with fmt.Sprintf(). Useful to put into or mix into other +// string. Windows users should use this in conjunction with color.Output. +func (c *Color) SprintfFunc() func(format string, a ...interface{}) string { + return func(format string, a ...interface{}) string { + return c.wrap(fmt.Sprintf(format, a...)) + } +} + +// SprintlnFunc returns a new function that returns colorized strings for the +// given arguments with fmt.Sprintln(). Useful to put into or mix into other +// string. Windows users should use this in conjunction with color.Output. +func (c *Color) SprintlnFunc() func(a ...interface{}) string { + return func(a ...interface{}) string { + return c.wrap(sprintln(a...)) + "\n" + } +} + +// sequence returns a formatted SGR sequence to be plugged into a "\x1b[...m" +// an example output might be: "1;36" -> bold cyan +func (c *Color) sequence() string { + format := make([]string, len(c.params)) + for i, v := range c.params { + format[i] = strconv.Itoa(int(v)) + } + + return strings.Join(format, ";") +} + +// wrap wraps the s string with the colors attributes. The string is ready to +// be printed. +func (c *Color) wrap(s string) string { + if c.isNoColorSet() { + return s + } + + return c.format() + s + c.unformat() +} + +func (c *Color) format() string { + return fmt.Sprintf("%s[%sm", escape, c.sequence()) +} + +func (c *Color) unformat() string { + //return fmt.Sprintf("%s[%dm", escape, Reset) + //for each element in sequence let's use the speficic reset escape, ou the generic one if not found + format := make([]string, len(c.params)) + for i, v := range c.params { + format[i] = strconv.Itoa(int(Reset)) + ra, ok := mapResetAttributes[v] + if ok { + format[i] = strconv.Itoa(int(ra)) + } + } + + return fmt.Sprintf("%s[%sm", escape, strings.Join(format, ";")) +} + +// DisableColor disables the color output. Useful to not change any existing +// code and still being able to output. Can be used for flags like +// "--no-color". To enable back use EnableColor() method. +func (c *Color) DisableColor() { + c.noColor = boolPtr(true) +} + +// EnableColor enables the color output. Use it in conjunction with +// DisableColor(). Otherwise, this method has no side effects. +func (c *Color) EnableColor() { + c.noColor = boolPtr(false) +} + +func (c *Color) isNoColorSet() bool { + // check first if we have user set action + if c.noColor != nil { + return *c.noColor + } + + // if not return the global option, which is disabled by default + return NoColor +} + +// Equals returns a boolean value indicating whether two colors are equal. +func (c *Color) Equals(c2 *Color) bool { + if c == nil && c2 == nil { + return true + } + if c == nil || c2 == nil { + return false + } + if len(c.params) != len(c2.params) { + return false + } + + for _, attr := range c.params { + if !c2.attrExists(attr) { + return false + } + } + + return true +} + +func (c *Color) attrExists(a Attribute) bool { + for _, attr := range c.params { + if attr == a { + return true + } + } + + return false +} + +func boolPtr(v bool) *bool { + return &v +} + +func getCachedColor(p Attribute) *Color { + colorsCacheMu.Lock() + defer colorsCacheMu.Unlock() + + c, ok := colorsCache[p] + if !ok { + c = New(p) + colorsCache[p] = c + } + + return c +} + +func colorPrint(format string, p Attribute, a ...interface{}) { + c := getCachedColor(p) + + if !strings.HasSuffix(format, "\n") { + format += "\n" + } + + if len(a) == 0 { + c.Print(format) + } else { + c.Printf(format, a...) + } +} + +func colorString(format string, p Attribute, a ...interface{}) string { + c := getCachedColor(p) + + if len(a) == 0 { + return c.SprintFunc()(format) + } + + return c.SprintfFunc()(format, a...) +} + +// Black is a convenient helper function to print with black foreground. A +// newline is appended to format by default. +func Black(format string, a ...interface{}) { colorPrint(format, FgBlack, a...) } + +// Red is a convenient helper function to print with red foreground. A +// newline is appended to format by default. +func Red(format string, a ...interface{}) { colorPrint(format, FgRed, a...) } + +// Green is a convenient helper function to print with green foreground. A +// newline is appended to format by default. +func Green(format string, a ...interface{}) { colorPrint(format, FgGreen, a...) } + +// Yellow is a convenient helper function to print with yellow foreground. +// A newline is appended to format by default. +func Yellow(format string, a ...interface{}) { colorPrint(format, FgYellow, a...) } + +// Blue is a convenient helper function to print with blue foreground. A +// newline is appended to format by default. +func Blue(format string, a ...interface{}) { colorPrint(format, FgBlue, a...) } + +// Magenta is a convenient helper function to print with magenta foreground. +// A newline is appended to format by default. +func Magenta(format string, a ...interface{}) { colorPrint(format, FgMagenta, a...) } + +// Cyan is a convenient helper function to print with cyan foreground. A +// newline is appended to format by default. +func Cyan(format string, a ...interface{}) { colorPrint(format, FgCyan, a...) } + +// White is a convenient helper function to print with white foreground. A +// newline is appended to format by default. +func White(format string, a ...interface{}) { colorPrint(format, FgWhite, a...) } + +// BlackString is a convenient helper function to return a string with black +// foreground. +func BlackString(format string, a ...interface{}) string { return colorString(format, FgBlack, a...) } + +// RedString is a convenient helper function to return a string with red +// foreground. +func RedString(format string, a ...interface{}) string { return colorString(format, FgRed, a...) } + +// GreenString is a convenient helper function to return a string with green +// foreground. +func GreenString(format string, a ...interface{}) string { return colorString(format, FgGreen, a...) } + +// YellowString is a convenient helper function to return a string with yellow +// foreground. +func YellowString(format string, a ...interface{}) string { return colorString(format, FgYellow, a...) } + +// BlueString is a convenient helper function to return a string with blue +// foreground. +func BlueString(format string, a ...interface{}) string { return colorString(format, FgBlue, a...) } + +// MagentaString is a convenient helper function to return a string with magenta +// foreground. +func MagentaString(format string, a ...interface{}) string { + return colorString(format, FgMagenta, a...) +} + +// CyanString is a convenient helper function to return a string with cyan +// foreground. +func CyanString(format string, a ...interface{}) string { return colorString(format, FgCyan, a...) } + +// WhiteString is a convenient helper function to return a string with white +// foreground. +func WhiteString(format string, a ...interface{}) string { return colorString(format, FgWhite, a...) } + +// HiBlack is a convenient helper function to print with hi-intensity black foreground. A +// newline is appended to format by default. +func HiBlack(format string, a ...interface{}) { colorPrint(format, FgHiBlack, a...) } + +// HiRed is a convenient helper function to print with hi-intensity red foreground. A +// newline is appended to format by default. +func HiRed(format string, a ...interface{}) { colorPrint(format, FgHiRed, a...) } + +// HiGreen is a convenient helper function to print with hi-intensity green foreground. A +// newline is appended to format by default. +func HiGreen(format string, a ...interface{}) { colorPrint(format, FgHiGreen, a...) } + +// HiYellow is a convenient helper function to print with hi-intensity yellow foreground. +// A newline is appended to format by default. +func HiYellow(format string, a ...interface{}) { colorPrint(format, FgHiYellow, a...) } + +// HiBlue is a convenient helper function to print with hi-intensity blue foreground. A +// newline is appended to format by default. +func HiBlue(format string, a ...interface{}) { colorPrint(format, FgHiBlue, a...) } + +// HiMagenta is a convenient helper function to print with hi-intensity magenta foreground. +// A newline is appended to format by default. +func HiMagenta(format string, a ...interface{}) { colorPrint(format, FgHiMagenta, a...) } + +// HiCyan is a convenient helper function to print with hi-intensity cyan foreground. A +// newline is appended to format by default. +func HiCyan(format string, a ...interface{}) { colorPrint(format, FgHiCyan, a...) } + +// HiWhite is a convenient helper function to print with hi-intensity white foreground. A +// newline is appended to format by default. +func HiWhite(format string, a ...interface{}) { colorPrint(format, FgHiWhite, a...) } + +// HiBlackString is a convenient helper function to return a string with hi-intensity black +// foreground. +func HiBlackString(format string, a ...interface{}) string { + return colorString(format, FgHiBlack, a...) +} + +// HiRedString is a convenient helper function to return a string with hi-intensity red +// foreground. +func HiRedString(format string, a ...interface{}) string { return colorString(format, FgHiRed, a...) } + +// HiGreenString is a convenient helper function to return a string with hi-intensity green +// foreground. +func HiGreenString(format string, a ...interface{}) string { + return colorString(format, FgHiGreen, a...) +} + +// HiYellowString is a convenient helper function to return a string with hi-intensity yellow +// foreground. +func HiYellowString(format string, a ...interface{}) string { + return colorString(format, FgHiYellow, a...) +} + +// HiBlueString is a convenient helper function to return a string with hi-intensity blue +// foreground. +func HiBlueString(format string, a ...interface{}) string { return colorString(format, FgHiBlue, a...) } + +// HiMagentaString is a convenient helper function to return a string with hi-intensity magenta +// foreground. +func HiMagentaString(format string, a ...interface{}) string { + return colorString(format, FgHiMagenta, a...) +} + +// HiCyanString is a convenient helper function to return a string with hi-intensity cyan +// foreground. +func HiCyanString(format string, a ...interface{}) string { return colorString(format, FgHiCyan, a...) } + +// HiWhiteString is a convenient helper function to return a string with hi-intensity white +// foreground. +func HiWhiteString(format string, a ...interface{}) string { + return colorString(format, FgHiWhite, a...) +} + +// sprintln is a helper function to format a string with fmt.Sprintln and trim the trailing newline. +func sprintln(a ...interface{}) string { + return strings.TrimSuffix(fmt.Sprintln(a...), "\n") +} diff --git a/vendor/github.com/fatih/color/color_windows.go b/vendor/github.com/fatih/color/color_windows.go new file mode 100644 index 0000000..be01c55 --- /dev/null +++ b/vendor/github.com/fatih/color/color_windows.go @@ -0,0 +1,19 @@ +package color + +import ( + "os" + + "golang.org/x/sys/windows" +) + +func init() { + // Opt-in for ansi color support for current process. + // https://learn.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences#output-sequences + var outMode uint32 + out := windows.Handle(os.Stdout.Fd()) + if err := windows.GetConsoleMode(out, &outMode); err != nil { + return + } + outMode |= windows.ENABLE_PROCESSED_OUTPUT | windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING + _ = windows.SetConsoleMode(out, outMode) +} diff --git a/vendor/github.com/fatih/color/doc.go b/vendor/github.com/fatih/color/doc.go new file mode 100644 index 0000000..9491ad5 --- /dev/null +++ b/vendor/github.com/fatih/color/doc.go @@ -0,0 +1,134 @@ +/* +Package color is an ANSI color package to output colorized or SGR defined +output to the standard output. The API can be used in several way, pick one +that suits you. + +Use simple and default helper functions with predefined foreground colors: + + color.Cyan("Prints text in cyan.") + + // a newline will be appended automatically + color.Blue("Prints %s in blue.", "text") + + // More default foreground colors.. + color.Red("We have red") + color.Yellow("Yellow color too!") + color.Magenta("And many others ..") + + // Hi-intensity colors + color.HiGreen("Bright green color.") + color.HiBlack("Bright black means gray..") + color.HiWhite("Shiny white color!") + +However, there are times when custom color mixes are required. Below are some +examples to create custom color objects and use the print functions of each +separate color object. + + // Create a new color object + c := color.New(color.FgCyan).Add(color.Underline) + c.Println("Prints cyan text with an underline.") + + // Or just add them to New() + d := color.New(color.FgCyan, color.Bold) + d.Printf("This prints bold cyan %s\n", "too!.") + + + // Mix up foreground and background colors, create new mixes! + red := color.New(color.FgRed) + + boldRed := red.Add(color.Bold) + boldRed.Println("This will print text in bold red.") + + whiteBackground := red.Add(color.BgWhite) + whiteBackground.Println("Red text with White background.") + + // Use your own io.Writer output + color.New(color.FgBlue).Fprintln(myWriter, "blue color!") + + blue := color.New(color.FgBlue) + blue.Fprint(myWriter, "This will print text in blue.") + +You can create PrintXxx functions to simplify even more: + + // Create a custom print function for convenient + red := color.New(color.FgRed).PrintfFunc() + red("warning") + red("error: %s", err) + + // Mix up multiple attributes + notice := color.New(color.Bold, color.FgGreen).PrintlnFunc() + notice("don't forget this...") + +You can also FprintXxx functions to pass your own io.Writer: + + blue := color.New(FgBlue).FprintfFunc() + blue(myWriter, "important notice: %s", stars) + + // Mix up with multiple attributes + success := color.New(color.Bold, color.FgGreen).FprintlnFunc() + success(myWriter, don't forget this...") + +Or create SprintXxx functions to mix strings with other non-colorized strings: + + yellow := New(FgYellow).SprintFunc() + red := New(FgRed).SprintFunc() + + fmt.Printf("this is a %s and this is %s.\n", yellow("warning"), red("error")) + + info := New(FgWhite, BgGreen).SprintFunc() + fmt.Printf("this %s rocks!\n", info("package")) + +Windows support is enabled by default. All Print functions work as intended. +However, only for color.SprintXXX functions, user should use fmt.FprintXXX and +set the output to color.Output: + + fmt.Fprintf(color.Output, "Windows support: %s", color.GreenString("PASS")) + + info := New(FgWhite, BgGreen).SprintFunc() + fmt.Fprintf(color.Output, "this %s rocks!\n", info("package")) + +Using with existing code is possible. Just use the Set() method to set the +standard output to the given parameters. That way a rewrite of an existing +code is not required. + + // Use handy standard colors. + color.Set(color.FgYellow) + + fmt.Println("Existing text will be now in Yellow") + fmt.Printf("This one %s\n", "too") + + color.Unset() // don't forget to unset + + // You can mix up parameters + color.Set(color.FgMagenta, color.Bold) + defer color.Unset() // use it in your function + + fmt.Println("All text will be now bold magenta.") + +There might be a case where you want to disable color output (for example to +pipe the standard output of your app to somewhere else). `Color` has support to +disable colors both globally and for single color definition. For example +suppose you have a CLI app and a `--no-color` bool flag. You can easily disable +the color output with: + + var flagNoColor = flag.Bool("no-color", false, "Disable color output") + + if *flagNoColor { + color.NoColor = true // disables colorized output + } + +You can also disable the color by setting the NO_COLOR environment variable to any value. + +It also has support for single color definitions (local). You can +disable/enable color output on the fly: + + c := color.New(color.FgCyan) + c.Println("Prints cyan text") + + c.DisableColor() + c.Println("This is printed without any color") + + c.EnableColor() + c.Println("This prints again cyan...") +*/ +package color diff --git a/vendor/github.com/mattn/go-colorable/LICENSE b/vendor/github.com/mattn/go-colorable/LICENSE new file mode 100644 index 0000000..91b5cef --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 Yasuhiro Matsumoto + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/mattn/go-colorable/README.md b/vendor/github.com/mattn/go-colorable/README.md new file mode 100644 index 0000000..ca04837 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/README.md @@ -0,0 +1,48 @@ +# go-colorable + +[![Build Status](https://github.com/mattn/go-colorable/workflows/test/badge.svg)](https://github.com/mattn/go-colorable/actions?query=workflow%3Atest) +[![Codecov](https://codecov.io/gh/mattn/go-colorable/branch/master/graph/badge.svg)](https://codecov.io/gh/mattn/go-colorable) +[![GoDoc](https://godoc.org/github.com/mattn/go-colorable?status.svg)](http://godoc.org/github.com/mattn/go-colorable) +[![Go Report Card](https://goreportcard.com/badge/mattn/go-colorable)](https://goreportcard.com/report/mattn/go-colorable) + +Colorable writer for windows. + +For example, most of logger packages doesn't show colors on windows. (I know we can do it with ansicon. But I don't want.) +This package is possible to handle escape sequence for ansi color on windows. + +## Too Bad! + +![](https://raw.githubusercontent.com/mattn/go-colorable/gh-pages/bad.png) + + +## So Good! + +![](https://raw.githubusercontent.com/mattn/go-colorable/gh-pages/good.png) + +## Usage + +```go +logrus.SetFormatter(&logrus.TextFormatter{ForceColors: true}) +logrus.SetOutput(colorable.NewColorableStdout()) + +logrus.Info("succeeded") +logrus.Warn("not correct") +logrus.Error("something error") +logrus.Fatal("panic") +``` + +You can compile above code on non-windows OSs. + +## Installation + +``` +$ go get github.com/mattn/go-colorable +``` + +# License + +MIT + +# Author + +Yasuhiro Matsumoto (a.k.a mattn) diff --git a/vendor/github.com/mattn/go-colorable/colorable_appengine.go b/vendor/github.com/mattn/go-colorable/colorable_appengine.go new file mode 100644 index 0000000..416d1bb --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_appengine.go @@ -0,0 +1,38 @@ +//go:build appengine +// +build appengine + +package colorable + +import ( + "io" + "os" + + _ "github.com/mattn/go-isatty" +) + +// NewColorable returns new instance of Writer which handles escape sequence. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return os.Stdout +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return os.Stderr +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/colorable_others.go b/vendor/github.com/mattn/go-colorable/colorable_others.go new file mode 100644 index 0000000..766d946 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_others.go @@ -0,0 +1,38 @@ +//go:build !windows && !appengine +// +build !windows,!appengine + +package colorable + +import ( + "io" + "os" + + _ "github.com/mattn/go-isatty" +) + +// NewColorable returns new instance of Writer which handles escape sequence. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return os.Stdout +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return os.Stderr +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/colorable_windows.go b/vendor/github.com/mattn/go-colorable/colorable_windows.go new file mode 100644 index 0000000..1846ad5 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/colorable_windows.go @@ -0,0 +1,1047 @@ +//go:build windows && !appengine +// +build windows,!appengine + +package colorable + +import ( + "bytes" + "io" + "math" + "os" + "strconv" + "strings" + "sync" + "syscall" + "unsafe" + + "github.com/mattn/go-isatty" +) + +const ( + foregroundBlue = 0x1 + foregroundGreen = 0x2 + foregroundRed = 0x4 + foregroundIntensity = 0x8 + foregroundMask = (foregroundRed | foregroundBlue | foregroundGreen | foregroundIntensity) + backgroundBlue = 0x10 + backgroundGreen = 0x20 + backgroundRed = 0x40 + backgroundIntensity = 0x80 + backgroundMask = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity) + commonLvbUnderscore = 0x8000 + + cENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4 +) + +const ( + genericRead = 0x80000000 + genericWrite = 0x40000000 +) + +const ( + consoleTextmodeBuffer = 0x1 +) + +type wchar uint16 +type short int16 +type dword uint32 +type word uint16 + +type coord struct { + x short + y short +} + +type smallRect struct { + left short + top short + right short + bottom short +} + +type consoleScreenBufferInfo struct { + size coord + cursorPosition coord + attributes word + window smallRect + maximumWindowSize coord +} + +type consoleCursorInfo struct { + size dword + visible int32 +} + +var ( + kernel32 = syscall.NewLazyDLL("kernel32.dll") + procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo") + procSetConsoleTextAttribute = kernel32.NewProc("SetConsoleTextAttribute") + procSetConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition") + procFillConsoleOutputCharacter = kernel32.NewProc("FillConsoleOutputCharacterW") + procFillConsoleOutputAttribute = kernel32.NewProc("FillConsoleOutputAttribute") + procGetConsoleCursorInfo = kernel32.NewProc("GetConsoleCursorInfo") + procSetConsoleCursorInfo = kernel32.NewProc("SetConsoleCursorInfo") + procSetConsoleTitle = kernel32.NewProc("SetConsoleTitleW") + procGetConsoleMode = kernel32.NewProc("GetConsoleMode") + procSetConsoleMode = kernel32.NewProc("SetConsoleMode") + procCreateConsoleScreenBuffer = kernel32.NewProc("CreateConsoleScreenBuffer") +) + +// Writer provides colorable Writer to the console +type Writer struct { + out io.Writer + handle syscall.Handle + althandle syscall.Handle + oldattr word + oldpos coord + rest bytes.Buffer + mutex sync.Mutex +} + +// NewColorable returns new instance of Writer which handles escape sequence from File. +func NewColorable(file *os.File) io.Writer { + if file == nil { + panic("nil passed instead of *os.File to NewColorable()") + } + + if isatty.IsTerminal(file.Fd()) { + var mode uint32 + if r, _, _ := procGetConsoleMode.Call(file.Fd(), uintptr(unsafe.Pointer(&mode))); r != 0 && mode&cENABLE_VIRTUAL_TERMINAL_PROCESSING != 0 { + return file + } + var csbi consoleScreenBufferInfo + handle := syscall.Handle(file.Fd()) + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + return &Writer{out: file, handle: handle, oldattr: csbi.attributes, oldpos: coord{0, 0}} + } + return file +} + +// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout. +func NewColorableStdout() io.Writer { + return NewColorable(os.Stdout) +} + +// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr. +func NewColorableStderr() io.Writer { + return NewColorable(os.Stderr) +} + +var color256 = map[int]int{ + 0: 0x000000, + 1: 0x800000, + 2: 0x008000, + 3: 0x808000, + 4: 0x000080, + 5: 0x800080, + 6: 0x008080, + 7: 0xc0c0c0, + 8: 0x808080, + 9: 0xff0000, + 10: 0x00ff00, + 11: 0xffff00, + 12: 0x0000ff, + 13: 0xff00ff, + 14: 0x00ffff, + 15: 0xffffff, + 16: 0x000000, + 17: 0x00005f, + 18: 0x000087, + 19: 0x0000af, + 20: 0x0000d7, + 21: 0x0000ff, + 22: 0x005f00, + 23: 0x005f5f, + 24: 0x005f87, + 25: 0x005faf, + 26: 0x005fd7, + 27: 0x005fff, + 28: 0x008700, + 29: 0x00875f, + 30: 0x008787, + 31: 0x0087af, + 32: 0x0087d7, + 33: 0x0087ff, + 34: 0x00af00, + 35: 0x00af5f, + 36: 0x00af87, + 37: 0x00afaf, + 38: 0x00afd7, + 39: 0x00afff, + 40: 0x00d700, + 41: 0x00d75f, + 42: 0x00d787, + 43: 0x00d7af, + 44: 0x00d7d7, + 45: 0x00d7ff, + 46: 0x00ff00, + 47: 0x00ff5f, + 48: 0x00ff87, + 49: 0x00ffaf, + 50: 0x00ffd7, + 51: 0x00ffff, + 52: 0x5f0000, + 53: 0x5f005f, + 54: 0x5f0087, + 55: 0x5f00af, + 56: 0x5f00d7, + 57: 0x5f00ff, + 58: 0x5f5f00, + 59: 0x5f5f5f, + 60: 0x5f5f87, + 61: 0x5f5faf, + 62: 0x5f5fd7, + 63: 0x5f5fff, + 64: 0x5f8700, + 65: 0x5f875f, + 66: 0x5f8787, + 67: 0x5f87af, + 68: 0x5f87d7, + 69: 0x5f87ff, + 70: 0x5faf00, + 71: 0x5faf5f, + 72: 0x5faf87, + 73: 0x5fafaf, + 74: 0x5fafd7, + 75: 0x5fafff, + 76: 0x5fd700, + 77: 0x5fd75f, + 78: 0x5fd787, + 79: 0x5fd7af, + 80: 0x5fd7d7, + 81: 0x5fd7ff, + 82: 0x5fff00, + 83: 0x5fff5f, + 84: 0x5fff87, + 85: 0x5fffaf, + 86: 0x5fffd7, + 87: 0x5fffff, + 88: 0x870000, + 89: 0x87005f, + 90: 0x870087, + 91: 0x8700af, + 92: 0x8700d7, + 93: 0x8700ff, + 94: 0x875f00, + 95: 0x875f5f, + 96: 0x875f87, + 97: 0x875faf, + 98: 0x875fd7, + 99: 0x875fff, + 100: 0x878700, + 101: 0x87875f, + 102: 0x878787, + 103: 0x8787af, + 104: 0x8787d7, + 105: 0x8787ff, + 106: 0x87af00, + 107: 0x87af5f, + 108: 0x87af87, + 109: 0x87afaf, + 110: 0x87afd7, + 111: 0x87afff, + 112: 0x87d700, + 113: 0x87d75f, + 114: 0x87d787, + 115: 0x87d7af, + 116: 0x87d7d7, + 117: 0x87d7ff, + 118: 0x87ff00, + 119: 0x87ff5f, + 120: 0x87ff87, + 121: 0x87ffaf, + 122: 0x87ffd7, + 123: 0x87ffff, + 124: 0xaf0000, + 125: 0xaf005f, + 126: 0xaf0087, + 127: 0xaf00af, + 128: 0xaf00d7, + 129: 0xaf00ff, + 130: 0xaf5f00, + 131: 0xaf5f5f, + 132: 0xaf5f87, + 133: 0xaf5faf, + 134: 0xaf5fd7, + 135: 0xaf5fff, + 136: 0xaf8700, + 137: 0xaf875f, + 138: 0xaf8787, + 139: 0xaf87af, + 140: 0xaf87d7, + 141: 0xaf87ff, + 142: 0xafaf00, + 143: 0xafaf5f, + 144: 0xafaf87, + 145: 0xafafaf, + 146: 0xafafd7, + 147: 0xafafff, + 148: 0xafd700, + 149: 0xafd75f, + 150: 0xafd787, + 151: 0xafd7af, + 152: 0xafd7d7, + 153: 0xafd7ff, + 154: 0xafff00, + 155: 0xafff5f, + 156: 0xafff87, + 157: 0xafffaf, + 158: 0xafffd7, + 159: 0xafffff, + 160: 0xd70000, + 161: 0xd7005f, + 162: 0xd70087, + 163: 0xd700af, + 164: 0xd700d7, + 165: 0xd700ff, + 166: 0xd75f00, + 167: 0xd75f5f, + 168: 0xd75f87, + 169: 0xd75faf, + 170: 0xd75fd7, + 171: 0xd75fff, + 172: 0xd78700, + 173: 0xd7875f, + 174: 0xd78787, + 175: 0xd787af, + 176: 0xd787d7, + 177: 0xd787ff, + 178: 0xd7af00, + 179: 0xd7af5f, + 180: 0xd7af87, + 181: 0xd7afaf, + 182: 0xd7afd7, + 183: 0xd7afff, + 184: 0xd7d700, + 185: 0xd7d75f, + 186: 0xd7d787, + 187: 0xd7d7af, + 188: 0xd7d7d7, + 189: 0xd7d7ff, + 190: 0xd7ff00, + 191: 0xd7ff5f, + 192: 0xd7ff87, + 193: 0xd7ffaf, + 194: 0xd7ffd7, + 195: 0xd7ffff, + 196: 0xff0000, + 197: 0xff005f, + 198: 0xff0087, + 199: 0xff00af, + 200: 0xff00d7, + 201: 0xff00ff, + 202: 0xff5f00, + 203: 0xff5f5f, + 204: 0xff5f87, + 205: 0xff5faf, + 206: 0xff5fd7, + 207: 0xff5fff, + 208: 0xff8700, + 209: 0xff875f, + 210: 0xff8787, + 211: 0xff87af, + 212: 0xff87d7, + 213: 0xff87ff, + 214: 0xffaf00, + 215: 0xffaf5f, + 216: 0xffaf87, + 217: 0xffafaf, + 218: 0xffafd7, + 219: 0xffafff, + 220: 0xffd700, + 221: 0xffd75f, + 222: 0xffd787, + 223: 0xffd7af, + 224: 0xffd7d7, + 225: 0xffd7ff, + 226: 0xffff00, + 227: 0xffff5f, + 228: 0xffff87, + 229: 0xffffaf, + 230: 0xffffd7, + 231: 0xffffff, + 232: 0x080808, + 233: 0x121212, + 234: 0x1c1c1c, + 235: 0x262626, + 236: 0x303030, + 237: 0x3a3a3a, + 238: 0x444444, + 239: 0x4e4e4e, + 240: 0x585858, + 241: 0x626262, + 242: 0x6c6c6c, + 243: 0x767676, + 244: 0x808080, + 245: 0x8a8a8a, + 246: 0x949494, + 247: 0x9e9e9e, + 248: 0xa8a8a8, + 249: 0xb2b2b2, + 250: 0xbcbcbc, + 251: 0xc6c6c6, + 252: 0xd0d0d0, + 253: 0xdadada, + 254: 0xe4e4e4, + 255: 0xeeeeee, +} + +// `\033]0;TITLESTR\007` +func doTitleSequence(er *bytes.Reader) error { + var c byte + var err error + + c, err = er.ReadByte() + if err != nil { + return err + } + if c != '0' && c != '2' { + return nil + } + c, err = er.ReadByte() + if err != nil { + return err + } + if c != ';' { + return nil + } + title := make([]byte, 0, 80) + for { + c, err = er.ReadByte() + if err != nil { + return err + } + if c == 0x07 || c == '\n' { + break + } + title = append(title, c) + } + if len(title) > 0 { + title8, err := syscall.UTF16PtrFromString(string(title)) + if err == nil { + procSetConsoleTitle.Call(uintptr(unsafe.Pointer(title8))) + } + } + return nil +} + +// returns Atoi(s) unless s == "" in which case it returns def +func atoiWithDefault(s string, def int) (int, error) { + if s == "" { + return def, nil + } + return strconv.Atoi(s) +} + +// Write writes data on console +func (w *Writer) Write(data []byte) (n int, err error) { + w.mutex.Lock() + defer w.mutex.Unlock() + var csbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi))) + + handle := w.handle + + var er *bytes.Reader + if w.rest.Len() > 0 { + var rest bytes.Buffer + w.rest.WriteTo(&rest) + w.rest.Reset() + rest.Write(data) + er = bytes.NewReader(rest.Bytes()) + } else { + er = bytes.NewReader(data) + } + var plaintext bytes.Buffer +loop: + for { + c1, err := er.ReadByte() + if err != nil { + plaintext.WriteTo(w.out) + break loop + } + if c1 != 0x1b { + plaintext.WriteByte(c1) + continue + } + _, err = plaintext.WriteTo(w.out) + if err != nil { + break loop + } + c2, err := er.ReadByte() + if err != nil { + break loop + } + + switch c2 { + case '>': + continue + case ']': + w.rest.WriteByte(c1) + w.rest.WriteByte(c2) + er.WriteTo(&w.rest) + if bytes.IndexByte(w.rest.Bytes(), 0x07) == -1 { + break loop + } + er = bytes.NewReader(w.rest.Bytes()[2:]) + err := doTitleSequence(er) + if err != nil { + break loop + } + w.rest.Reset() + continue + // https://github.com/mattn/go-colorable/issues/27 + case '7': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + w.oldpos = csbi.cursorPosition + continue + case '8': + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) + continue + case 0x5b: + // execute part after switch + default: + continue + } + + w.rest.WriteByte(c1) + w.rest.WriteByte(c2) + er.WriteTo(&w.rest) + + var buf bytes.Buffer + var m byte + for i, c := range w.rest.Bytes()[2:] { + if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' { + m = c + er = bytes.NewReader(w.rest.Bytes()[2+i+1:]) + w.rest.Reset() + break + } + buf.Write([]byte(string(c))) + } + if m == 0 { + break loop + } + + switch m { + case 'A': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.y -= short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'B': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.y += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'C': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'D': + n, err = atoiWithDefault(buf.String(), 1) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x -= short(n) + if csbi.cursorPosition.x < 0 { + csbi.cursorPosition.x = 0 + } + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'E': + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = 0 + csbi.cursorPosition.y += short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'F': + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = 0 + csbi.cursorPosition.y -= short(n) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'G': + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + if n < 1 { + n = 1 + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + csbi.cursorPosition.x = short(n - 1) + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'H', 'f': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + if buf.Len() > 0 { + token := strings.Split(buf.String(), ";") + switch len(token) { + case 1: + n1, err := strconv.Atoi(token[0]) + if err != nil { + continue + } + csbi.cursorPosition.y = short(n1 - 1) + case 2: + n1, err := strconv.Atoi(token[0]) + if err != nil { + continue + } + n2, err := strconv.Atoi(token[1]) + if err != nil { + continue + } + csbi.cursorPosition.x = short(n2 - 1) + csbi.cursorPosition.y = short(n1 - 1) + } + } else { + csbi.cursorPosition.y = 0 + } + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition))) + case 'J': + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + var count, written dword + var cursor coord + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + switch n { + case 0: + cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x) + case 1: + cursor = coord{x: csbi.window.left, y: csbi.window.top} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.window.top-csbi.cursorPosition.y)*dword(csbi.size.x) + case 2: + cursor = coord{x: csbi.window.left, y: csbi.window.top} + count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x) + } + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + case 'K': + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + var cursor coord + var count, written dword + switch n { + case 0: + cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + count = dword(csbi.size.x - csbi.cursorPosition.x) + case 1: + cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y} + count = dword(csbi.size.x - csbi.cursorPosition.x) + case 2: + cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y} + count = dword(csbi.size.x) + } + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + case 'X': + n := 0 + if buf.Len() > 0 { + n, err = strconv.Atoi(buf.String()) + if err != nil { + continue + } + } + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + var cursor coord + var written dword + cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y} + procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written))) + case 'm': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + attr := csbi.attributes + cs := buf.String() + if cs == "" { + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(w.oldattr)) + continue + } + token := strings.Split(cs, ";") + for i := 0; i < len(token); i++ { + ns := token[i] + if n, err = strconv.Atoi(ns); err == nil { + switch { + case n == 0 || n == 100: + attr = w.oldattr + case n == 4: + attr |= commonLvbUnderscore + case (1 <= n && n <= 3) || n == 5: + attr |= foregroundIntensity + case n == 7 || n == 27: + attr = + (attr &^ (foregroundMask | backgroundMask)) | + ((attr & foregroundMask) << 4) | + ((attr & backgroundMask) >> 4) + case n == 22: + attr &^= foregroundIntensity + case n == 24: + attr &^= commonLvbUnderscore + case 30 <= n && n <= 37: + attr &= backgroundMask + if (n-30)&1 != 0 { + attr |= foregroundRed + } + if (n-30)&2 != 0 { + attr |= foregroundGreen + } + if (n-30)&4 != 0 { + attr |= foregroundBlue + } + case n == 38: // set foreground color. + if i < len(token)-2 && (token[i+1] == "5" || token[i+1] == "05") { + if n256, err := strconv.Atoi(token[i+2]); err == nil { + if n256foreAttr == nil { + n256setup() + } + attr &= backgroundMask + attr |= n256foreAttr[n256%len(n256foreAttr)] + i += 2 + } + } else if len(token) == 5 && token[i+1] == "2" { + var r, g, b int + r, _ = strconv.Atoi(token[i+2]) + g, _ = strconv.Atoi(token[i+3]) + b, _ = strconv.Atoi(token[i+4]) + i += 4 + if r > 127 { + attr |= foregroundRed + } + if g > 127 { + attr |= foregroundGreen + } + if b > 127 { + attr |= foregroundBlue + } + } else { + attr = attr & (w.oldattr & backgroundMask) + } + case n == 39: // reset foreground color. + attr &= backgroundMask + attr |= w.oldattr & foregroundMask + case 40 <= n && n <= 47: + attr &= foregroundMask + if (n-40)&1 != 0 { + attr |= backgroundRed + } + if (n-40)&2 != 0 { + attr |= backgroundGreen + } + if (n-40)&4 != 0 { + attr |= backgroundBlue + } + case n == 48: // set background color. + if i < len(token)-2 && token[i+1] == "5" { + if n256, err := strconv.Atoi(token[i+2]); err == nil { + if n256backAttr == nil { + n256setup() + } + attr &= foregroundMask + attr |= n256backAttr[n256%len(n256backAttr)] + i += 2 + } + } else if len(token) == 5 && token[i+1] == "2" { + var r, g, b int + r, _ = strconv.Atoi(token[i+2]) + g, _ = strconv.Atoi(token[i+3]) + b, _ = strconv.Atoi(token[i+4]) + i += 4 + if r > 127 { + attr |= backgroundRed + } + if g > 127 { + attr |= backgroundGreen + } + if b > 127 { + attr |= backgroundBlue + } + } else { + attr = attr & (w.oldattr & foregroundMask) + } + case n == 49: // reset foreground color. + attr &= foregroundMask + attr |= w.oldattr & backgroundMask + case 90 <= n && n <= 97: + attr = (attr & backgroundMask) + attr |= foregroundIntensity + if (n-90)&1 != 0 { + attr |= foregroundRed + } + if (n-90)&2 != 0 { + attr |= foregroundGreen + } + if (n-90)&4 != 0 { + attr |= foregroundBlue + } + case 100 <= n && n <= 107: + attr = (attr & foregroundMask) + attr |= backgroundIntensity + if (n-100)&1 != 0 { + attr |= backgroundRed + } + if (n-100)&2 != 0 { + attr |= backgroundGreen + } + if (n-100)&4 != 0 { + attr |= backgroundBlue + } + } + procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(attr)) + } + } + case 'h': + var ci consoleCursorInfo + cs := buf.String() + if cs == "5>" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 0 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?25" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 1 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?1049" { + if w.althandle == 0 { + h, _, _ := procCreateConsoleScreenBuffer.Call(uintptr(genericRead|genericWrite), 0, 0, uintptr(consoleTextmodeBuffer), 0, 0) + w.althandle = syscall.Handle(h) + if w.althandle != 0 { + handle = w.althandle + } + } + } + case 'l': + var ci consoleCursorInfo + cs := buf.String() + if cs == "5>" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 1 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?25" { + procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + ci.visible = 0 + procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci))) + } else if cs == "?1049" { + if w.althandle != 0 { + syscall.CloseHandle(w.althandle) + w.althandle = 0 + handle = w.handle + } + } + case 's': + procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi))) + w.oldpos = csbi.cursorPosition + case 'u': + procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos))) + } + } + + return len(data), nil +} + +type consoleColor struct { + rgb int + red bool + green bool + blue bool + intensity bool +} + +func (c consoleColor) foregroundAttr() (attr word) { + if c.red { + attr |= foregroundRed + } + if c.green { + attr |= foregroundGreen + } + if c.blue { + attr |= foregroundBlue + } + if c.intensity { + attr |= foregroundIntensity + } + return +} + +func (c consoleColor) backgroundAttr() (attr word) { + if c.red { + attr |= backgroundRed + } + if c.green { + attr |= backgroundGreen + } + if c.blue { + attr |= backgroundBlue + } + if c.intensity { + attr |= backgroundIntensity + } + return +} + +var color16 = []consoleColor{ + {0x000000, false, false, false, false}, + {0x000080, false, false, true, false}, + {0x008000, false, true, false, false}, + {0x008080, false, true, true, false}, + {0x800000, true, false, false, false}, + {0x800080, true, false, true, false}, + {0x808000, true, true, false, false}, + {0xc0c0c0, true, true, true, false}, + {0x808080, false, false, false, true}, + {0x0000ff, false, false, true, true}, + {0x00ff00, false, true, false, true}, + {0x00ffff, false, true, true, true}, + {0xff0000, true, false, false, true}, + {0xff00ff, true, false, true, true}, + {0xffff00, true, true, false, true}, + {0xffffff, true, true, true, true}, +} + +type hsv struct { + h, s, v float32 +} + +func (a hsv) dist(b hsv) float32 { + dh := a.h - b.h + switch { + case dh > 0.5: + dh = 1 - dh + case dh < -0.5: + dh = -1 - dh + } + ds := a.s - b.s + dv := a.v - b.v + return float32(math.Sqrt(float64(dh*dh + ds*ds + dv*dv))) +} + +func toHSV(rgb int) hsv { + r, g, b := float32((rgb&0xFF0000)>>16)/256.0, + float32((rgb&0x00FF00)>>8)/256.0, + float32(rgb&0x0000FF)/256.0 + min, max := minmax3f(r, g, b) + h := max - min + if h > 0 { + if max == r { + h = (g - b) / h + if h < 0 { + h += 6 + } + } else if max == g { + h = 2 + (b-r)/h + } else { + h = 4 + (r-g)/h + } + } + h /= 6.0 + s := max - min + if max != 0 { + s /= max + } + v := max + return hsv{h: h, s: s, v: v} +} + +type hsvTable []hsv + +func toHSVTable(rgbTable []consoleColor) hsvTable { + t := make(hsvTable, len(rgbTable)) + for i, c := range rgbTable { + t[i] = toHSV(c.rgb) + } + return t +} + +func (t hsvTable) find(rgb int) consoleColor { + hsv := toHSV(rgb) + n := 7 + l := float32(5.0) + for i, p := range t { + d := hsv.dist(p) + if d < l { + l, n = d, i + } + } + return color16[n] +} + +func minmax3f(a, b, c float32) (min, max float32) { + if a < b { + if b < c { + return a, c + } else if a < c { + return a, b + } else { + return c, b + } + } else { + if a < c { + return b, c + } else if b < c { + return b, a + } else { + return c, a + } + } +} + +var n256foreAttr []word +var n256backAttr []word + +func n256setup() { + n256foreAttr = make([]word, 256) + n256backAttr = make([]word, 256) + t := toHSVTable(color16) + for i, rgb := range color256 { + c := t.find(rgb) + n256foreAttr[i] = c.foregroundAttr() + n256backAttr[i] = c.backgroundAttr() + } +} + +// EnableColorsStdout enable colors if possible. +func EnableColorsStdout(enabled *bool) func() { + var mode uint32 + h := os.Stdout.Fd() + if r, _, _ := procGetConsoleMode.Call(h, uintptr(unsafe.Pointer(&mode))); r != 0 { + if r, _, _ = procSetConsoleMode.Call(h, uintptr(mode|cENABLE_VIRTUAL_TERMINAL_PROCESSING)); r != 0 { + if enabled != nil { + *enabled = true + } + return func() { + procSetConsoleMode.Call(h, uintptr(mode)) + } + } + } + if enabled != nil { + *enabled = true + } + return func() {} +} diff --git a/vendor/github.com/mattn/go-colorable/go.test.sh b/vendor/github.com/mattn/go-colorable/go.test.sh new file mode 100644 index 0000000..012162b --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/go.test.sh @@ -0,0 +1,12 @@ +#!/usr/bin/env bash + +set -e +echo "" > coverage.txt + +for d in $(go list ./... | grep -v vendor); do + go test -race -coverprofile=profile.out -covermode=atomic "$d" + if [ -f profile.out ]; then + cat profile.out >> coverage.txt + rm profile.out + fi +done diff --git a/vendor/github.com/mattn/go-colorable/noncolorable.go b/vendor/github.com/mattn/go-colorable/noncolorable.go new file mode 100644 index 0000000..05d6f74 --- /dev/null +++ b/vendor/github.com/mattn/go-colorable/noncolorable.go @@ -0,0 +1,57 @@ +package colorable + +import ( + "bytes" + "io" +) + +// NonColorable holds writer but removes escape sequence. +type NonColorable struct { + out io.Writer +} + +// NewNonColorable returns new instance of Writer which removes escape sequence from Writer. +func NewNonColorable(w io.Writer) io.Writer { + return &NonColorable{out: w} +} + +// Write writes data on console +func (w *NonColorable) Write(data []byte) (n int, err error) { + er := bytes.NewReader(data) + var plaintext bytes.Buffer +loop: + for { + c1, err := er.ReadByte() + if err != nil { + plaintext.WriteTo(w.out) + break loop + } + if c1 != 0x1b { + plaintext.WriteByte(c1) + continue + } + _, err = plaintext.WriteTo(w.out) + if err != nil { + break loop + } + c2, err := er.ReadByte() + if err != nil { + break loop + } + if c2 != 0x5b { + continue + } + + for { + c, err := er.ReadByte() + if err != nil { + break loop + } + if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' { + break + } + } + } + + return len(data), nil +} diff --git a/vendor/github.com/mattn/go-isatty/LICENSE b/vendor/github.com/mattn/go-isatty/LICENSE new file mode 100644 index 0000000..65dc692 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/LICENSE @@ -0,0 +1,9 @@ +Copyright (c) Yasuhiro MATSUMOTO + +MIT License (Expat) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/mattn/go-isatty/README.md b/vendor/github.com/mattn/go-isatty/README.md new file mode 100644 index 0000000..3841835 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/README.md @@ -0,0 +1,50 @@ +# go-isatty + +[![Godoc Reference](https://godoc.org/github.com/mattn/go-isatty?status.svg)](http://godoc.org/github.com/mattn/go-isatty) +[![Codecov](https://codecov.io/gh/mattn/go-isatty/branch/master/graph/badge.svg)](https://codecov.io/gh/mattn/go-isatty) +[![Coverage Status](https://coveralls.io/repos/github/mattn/go-isatty/badge.svg?branch=master)](https://coveralls.io/github/mattn/go-isatty?branch=master) +[![Go Report Card](https://goreportcard.com/badge/mattn/go-isatty)](https://goreportcard.com/report/mattn/go-isatty) + +isatty for golang + +## Usage + +```go +package main + +import ( + "fmt" + "github.com/mattn/go-isatty" + "os" +) + +func main() { + if isatty.IsTerminal(os.Stdout.Fd()) { + fmt.Println("Is Terminal") + } else if isatty.IsCygwinTerminal(os.Stdout.Fd()) { + fmt.Println("Is Cygwin/MSYS2 Terminal") + } else { + fmt.Println("Is Not Terminal") + } +} +``` + +## Installation + +``` +$ go get github.com/mattn/go-isatty +``` + +## License + +MIT + +## Author + +Yasuhiro Matsumoto (a.k.a mattn) + +## Thanks + +* k-takata: base idea for IsCygwinTerminal + + https://github.com/k-takata/go-iscygpty diff --git a/vendor/github.com/mattn/go-isatty/doc.go b/vendor/github.com/mattn/go-isatty/doc.go new file mode 100644 index 0000000..17d4f90 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/doc.go @@ -0,0 +1,2 @@ +// Package isatty implements interface to isatty +package isatty diff --git a/vendor/github.com/mattn/go-isatty/go.test.sh b/vendor/github.com/mattn/go-isatty/go.test.sh new file mode 100644 index 0000000..012162b --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/go.test.sh @@ -0,0 +1,12 @@ +#!/usr/bin/env bash + +set -e +echo "" > coverage.txt + +for d in $(go list ./... | grep -v vendor); do + go test -race -coverprofile=profile.out -covermode=atomic "$d" + if [ -f profile.out ]; then + cat profile.out >> coverage.txt + rm profile.out + fi +done diff --git a/vendor/github.com/mattn/go-isatty/isatty_bsd.go b/vendor/github.com/mattn/go-isatty/isatty_bsd.go new file mode 100644 index 0000000..d0ea68f --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_bsd.go @@ -0,0 +1,20 @@ +//go:build (darwin || freebsd || openbsd || netbsd || dragonfly || hurd) && !appengine && !tinygo +// +build darwin freebsd openbsd netbsd dragonfly hurd +// +build !appengine +// +build !tinygo + +package isatty + +import "golang.org/x/sys/unix" + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermios(int(fd), unix.TIOCGETA) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_others.go b/vendor/github.com/mattn/go-isatty/isatty_others.go new file mode 100644 index 0000000..7402e06 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_others.go @@ -0,0 +1,17 @@ +//go:build (appengine || js || nacl || tinygo || wasm) && !windows +// +build appengine js nacl tinygo wasm +// +build !windows + +package isatty + +// IsTerminal returns true if the file descriptor is terminal which +// is always false on js and appengine classic which is a sandboxed PaaS. +func IsTerminal(fd uintptr) bool { + return false +} + +// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_plan9.go b/vendor/github.com/mattn/go-isatty/isatty_plan9.go new file mode 100644 index 0000000..bae7f9b --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_plan9.go @@ -0,0 +1,23 @@ +//go:build plan9 +// +build plan9 + +package isatty + +import ( + "syscall" +) + +// IsTerminal returns true if the given file descriptor is a terminal. +func IsTerminal(fd uintptr) bool { + path, err := syscall.Fd2path(int(fd)) + if err != nil { + return false + } + return path == "/dev/cons" || path == "/mnt/term/dev/cons" +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_solaris.go b/vendor/github.com/mattn/go-isatty/isatty_solaris.go new file mode 100644 index 0000000..0c3acf2 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_solaris.go @@ -0,0 +1,21 @@ +//go:build solaris && !appengine +// +build solaris,!appengine + +package isatty + +import ( + "golang.org/x/sys/unix" +) + +// IsTerminal returns true if the given file descriptor is a terminal. +// see: https://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libc/port/gen/isatty.c +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermio(int(fd), unix.TCGETA) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_tcgets.go b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go new file mode 100644 index 0000000..0337d8c --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go @@ -0,0 +1,20 @@ +//go:build (linux || aix || zos) && !appengine && !tinygo +// +build linux aix zos +// +build !appengine +// +build !tinygo + +package isatty + +import "golang.org/x/sys/unix" + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + _, err := unix.IoctlGetTermios(int(fd), unix.TCGETS) + return err == nil +} + +// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2 +// terminal. This is also always false on this environment. +func IsCygwinTerminal(fd uintptr) bool { + return false +} diff --git a/vendor/github.com/mattn/go-isatty/isatty_windows.go b/vendor/github.com/mattn/go-isatty/isatty_windows.go new file mode 100644 index 0000000..8e3c991 --- /dev/null +++ b/vendor/github.com/mattn/go-isatty/isatty_windows.go @@ -0,0 +1,125 @@ +//go:build windows && !appengine +// +build windows,!appengine + +package isatty + +import ( + "errors" + "strings" + "syscall" + "unicode/utf16" + "unsafe" +) + +const ( + objectNameInfo uintptr = 1 + fileNameInfo = 2 + fileTypePipe = 3 +) + +var ( + kernel32 = syscall.NewLazyDLL("kernel32.dll") + ntdll = syscall.NewLazyDLL("ntdll.dll") + procGetConsoleMode = kernel32.NewProc("GetConsoleMode") + procGetFileInformationByHandleEx = kernel32.NewProc("GetFileInformationByHandleEx") + procGetFileType = kernel32.NewProc("GetFileType") + procNtQueryObject = ntdll.NewProc("NtQueryObject") +) + +func init() { + // Check if GetFileInformationByHandleEx is available. + if procGetFileInformationByHandleEx.Find() != nil { + procGetFileInformationByHandleEx = nil + } +} + +// IsTerminal return true if the file descriptor is terminal. +func IsTerminal(fd uintptr) bool { + var st uint32 + r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, fd, uintptr(unsafe.Pointer(&st)), 0) + return r != 0 && e == 0 +} + +// Check pipe name is used for cygwin/msys2 pty. +// Cygwin/MSYS2 PTY has a name like: +// \{cygwin,msys}-XXXXXXXXXXXXXXXX-ptyN-{from,to}-master +func isCygwinPipeName(name string) bool { + token := strings.Split(name, "-") + if len(token) < 5 { + return false + } + + if token[0] != `\msys` && + token[0] != `\cygwin` && + token[0] != `\Device\NamedPipe\msys` && + token[0] != `\Device\NamedPipe\cygwin` { + return false + } + + if token[1] == "" { + return false + } + + if !strings.HasPrefix(token[2], "pty") { + return false + } + + if token[3] != `from` && token[3] != `to` { + return false + } + + if token[4] != "master" { + return false + } + + return true +} + +// getFileNameByHandle use the undocomented ntdll NtQueryObject to get file full name from file handler +// since GetFileInformationByHandleEx is not available under windows Vista and still some old fashion +// guys are using Windows XP, this is a workaround for those guys, it will also work on system from +// Windows vista to 10 +// see https://stackoverflow.com/a/18792477 for details +func getFileNameByHandle(fd uintptr) (string, error) { + if procNtQueryObject == nil { + return "", errors.New("ntdll.dll: NtQueryObject not supported") + } + + var buf [4 + syscall.MAX_PATH]uint16 + var result int + r, _, e := syscall.Syscall6(procNtQueryObject.Addr(), 5, + fd, objectNameInfo, uintptr(unsafe.Pointer(&buf)), uintptr(2*len(buf)), uintptr(unsafe.Pointer(&result)), 0) + if r != 0 { + return "", e + } + return string(utf16.Decode(buf[4 : 4+buf[0]/2])), nil +} + +// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2 +// terminal. +func IsCygwinTerminal(fd uintptr) bool { + if procGetFileInformationByHandleEx == nil { + name, err := getFileNameByHandle(fd) + if err != nil { + return false + } + return isCygwinPipeName(name) + } + + // Cygwin/msys's pty is a pipe. + ft, _, e := syscall.Syscall(procGetFileType.Addr(), 1, fd, 0, 0) + if ft != fileTypePipe || e != 0 { + return false + } + + var buf [2 + syscall.MAX_PATH]uint16 + r, _, e := syscall.Syscall6(procGetFileInformationByHandleEx.Addr(), + 4, fd, fileNameInfo, uintptr(unsafe.Pointer(&buf)), + uintptr(len(buf)*2), 0, 0) + if r == 0 || e != 0 { + return false + } + + l := *(*uint32)(unsafe.Pointer(&buf)) + return isCygwinPipeName(string(utf16.Decode(buf[2 : 2+l/2]))) +} diff --git a/vendor/github.com/minio/selfupdate/.gitignore b/vendor/github.com/minio/selfupdate/.gitignore new file mode 100644 index 0000000..9ed3b07 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/.gitignore @@ -0,0 +1 @@ +*.test diff --git a/vendor/github.com/minio/selfupdate/LICENSE b/vendor/github.com/minio/selfupdate/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. 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If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/minio/selfupdate/LICENSE.minisig b/vendor/github.com/minio/selfupdate/LICENSE.minisig new file mode 100644 index 0000000..395e546 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/LICENSE.minisig @@ -0,0 +1,4 @@ +untrusted comment: signature from minisign secret key +RUQhjNB8gjlNDZN66rN1aESIzZK6jG17OXx2wki+TYYuhwlW9cOq0qIHtTEt4b776mziUbtITtm1+UrwfODM32VR3jG2eqn/NwA= +trusted comment: timestamp:1639597543 file:LICENSE hashed +rbQFZEBnFNdFMLj+6bhp2ADasgXnPEkpDbpytMKcxbCa+wm0UFUB1nputqIANfpc6GTRq4JPa0N97y/uzrRuBQ== diff --git a/vendor/github.com/minio/selfupdate/NOTICE b/vendor/github.com/minio/selfupdate/NOTICE new file mode 100644 index 0000000..3338994 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/NOTICE @@ -0,0 +1,14 @@ +Copyright 2020 MinIO,Inc rewrites and modifications +Copyright 2015 Alan Shreve + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/vendor/github.com/minio/selfupdate/README.md b/vendor/github.com/minio/selfupdate/README.md new file mode 100644 index 0000000..6f9662f --- /dev/null +++ b/vendor/github.com/minio/selfupdate/README.md @@ -0,0 +1,47 @@ +[![API Reference](https://img.shields.io/badge/api-reference-blue.svg)](https://pkg.go.dev/github.com/minio/selfupdate?tab=doc) [![Apache V2 License](https://img.shields.io/badge/license-Apache%20V2-blue.svg)](https://github.com/minio/selfupdate/blob/master/LICENSE) + +# selfupdate: Build self-updating Go programs + +> NOTE: Original work at github.com/inconshreveable/go-update, modified for the needs within MinIO project + +Package update provides functionality to implement secure, self-updating Go programs (or other single-file targets) +A program can update itself by replacing its executable file with a new version. + +It provides the flexibility to implement different updating user experiences +like auto-updating, or manual user-initiated updates. It also boasts +advanced features like binary patching and code signing verification. + +Example of updating from a URL: + +```go +import ( + "fmt" + "net/http" + + "github.com/minio/selfupdate" +) + +func doUpdate(url string) error { + resp, err := http.Get(url) + if err != nil { + return err + } + defer resp.Body.Close() + err := selfupdate.Apply(resp.Body, update.Options{}) + if err != nil { + // error handling + } + return err +} +``` + +## Features + +- Cross platform support (Windows too!) +- Binary patch application +- Checksum verification +- Code signing verification +- Support for updating arbitrary files + +## License +This SDK is distributed under the [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0), see LICENSE for more information. Original work was also distributed under the same license. diff --git a/vendor/github.com/minio/selfupdate/apply.go b/vendor/github.com/minio/selfupdate/apply.go new file mode 100644 index 0000000..ec1b92a --- /dev/null +++ b/vendor/github.com/minio/selfupdate/apply.go @@ -0,0 +1,294 @@ +package selfupdate + +import ( + "bytes" + "crypto" + "errors" + "fmt" + "io" + "io/ioutil" + "os" + "path/filepath" + + "github.com/minio/selfupdate/internal/osext" +) + +// Apply performs an update of the current executable or opts.TargetFile, with +// the contents of the given io.Reader. When the update fails, it is unlikely +// that old executable is corrupted, but still, applications need to check the +// returned error with RollbackError() and notify the user of the bad news and +// ask them to recover manually. +func Apply(update io.Reader, opts Options) error { + err := PrepareAndCheckBinary(update, opts) + if err != nil { + return err + } + return CommitBinary(opts) +} + +// PrepareAndCheckBinary reads the new binary content from io.Reader and performs the following actions: +// 1. If configured, applies the contents of the update io.Reader as a binary patch. +// 2. If configured, computes the checksum of the executable and verifies it matches. +// 3. If configured, verifies the signature with a public key. +// 4. Creates a new file, /path/to/.target.new with the TargetMode with the contents of the updated file +func PrepareAndCheckBinary(update io.Reader, opts Options) error { + // get target path + targetPath, err := opts.getPath() + if err != nil { + return err + } + + var newBytes []byte + if opts.Patcher != nil { + if newBytes, err = opts.applyPatch(update, targetPath); err != nil { + return err + } + } else { + // no patch to apply, go on through + if newBytes, err = ioutil.ReadAll(update); err != nil { + return err + } + } + + // verify checksum if requested + if opts.Checksum != nil { + if err = opts.verifyChecksum(newBytes); err != nil { + return err + } + } + + if opts.Verifier != nil { + if err = opts.Verifier.Verify(newBytes); err != nil { + return err + } + } + + // get the directory the executable exists in + updateDir := filepath.Dir(targetPath) + filename := filepath.Base(targetPath) + + // Copy the contents of newbinary to a new executable file + newPath := filepath.Join(updateDir, fmt.Sprintf(".%s.new", filename)) + fp, err := os.OpenFile(newPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, opts.getMode()) + if err != nil { + return err + } + defer fp.Close() + + _, err = io.Copy(fp, bytes.NewReader(newBytes)) + if err != nil { + return err + } + + // if we don't call fp.Close(), windows won't let us move the new executable + // because the file will still be "in use" + fp.Close() + return nil +} + +// CommitBinary moves the new executable to the location of the current executable or opts.TargetPath +// if specified. It performs the following operations: +// 1. Renames /path/to/target to /path/to/.target.old +// 2. Renames /path/to/.target.new to /path/to/target +// 3. If the final rename is successful, deletes /path/to/.target.old, returns no error. On Windows, +// the removal of /path/to/target.old always fails, so instead Apply hides the old file instead. +// 4. If the final rename fails, attempts to roll back by renaming /path/to/.target.old +// back to /path/to/target. +// +// If the roll back operation fails, the file system is left in an inconsistent state where there is +// no new executable file and the old executable file could not be be moved to its original location. +// In this case you should notify the user of the bad news and ask them to recover manually. Applications +// can determine whether the rollback failed by calling RollbackError, see the documentation on that function +// for additional detail. +func CommitBinary(opts Options) error { + // get the directory the file exists in + targetPath, err := opts.getPath() + if err != nil { + return err + } + + updateDir := filepath.Dir(targetPath) + filename := filepath.Base(targetPath) + newPath := filepath.Join(updateDir, fmt.Sprintf(".%s.new", filename)) + + // this is where we'll move the executable to so that we can swap in the updated replacement + oldPath := opts.OldSavePath + removeOld := opts.OldSavePath == "" + if removeOld { + oldPath = filepath.Join(updateDir, fmt.Sprintf(".%s.old", filename)) + } + + // delete any existing old exec file - this is necessary on Windows for two reasons: + // 1. after a successful update, Windows can't remove the .old file because the process is still running + // 2. windows rename operations fail if the destination file already exists + _ = os.Remove(oldPath) + + // move the existing executable to a new file in the same directory + err = os.Rename(targetPath, oldPath) + if err != nil { + return err + } + + // move the new exectuable in to become the new program + err = os.Rename(newPath, targetPath) + + if err != nil { + // move unsuccessful + // + // The filesystem is now in a bad state. We have successfully + // moved the existing binary to a new location, but we couldn't move the new + // binary to take its place. That means there is no file where the current executable binary + // used to be! + // Try to rollback by restoring the old binary to its original path. + rerr := os.Rename(oldPath, targetPath) + if rerr != nil { + return &rollbackErr{err, rerr} + } + + return err + } + + // move successful, remove the old binary if needed + if removeOld { + errRemove := os.Remove(oldPath) + + // windows has trouble with removing old binaries, so hide it instead + if errRemove != nil { + _ = hideFile(oldPath) + } + } + + return nil +} + +// RollbackError takes an error value returned by Apply and returns the error, if any, +// that occurred when attempting to roll back from a failed update. Applications should +// always call this function on any non-nil errors returned by Apply. +// +// If no rollback was needed or if the rollback was successful, RollbackError returns nil, +// otherwise it returns the error encountered when trying to roll back. +func RollbackError(err error) error { + if err == nil { + return nil + } + if rerr, ok := err.(*rollbackErr); ok { + return rerr.rollbackErr + } + return nil +} + +type rollbackErr struct { + error // original error + rollbackErr error // error encountered while rolling back +} + +type Options struct { + // TargetPath defines the path to the file to update. + // The emptry string means 'the executable file of the running program'. + TargetPath string + + // Create TargetPath replacement with this file mode. If zero, defaults to 0755. + TargetMode os.FileMode + + // Checksum of the new binary to verify against. If nil, no checksum or signature verification is done. + Checksum []byte + + // Verifier for signature verification. If nil, no signature verification is done. + Verifier *Verifier + + // Use this hash function to generate the checksum. If not set, SHA256 is used. + Hash crypto.Hash + + // If nil, treat the update as a complete replacement for the contents of the file at TargetPath. + // If non-nil, treat the update contents as a patch and use this object to apply the patch. + Patcher Patcher + + // Store the old executable file at this path after a successful update. + // The empty string means the old executable file will be removed after the update. + OldSavePath string +} + +// CheckPermissions determines whether the process has the correct permissions to +// perform the requested update. If the update can proceed, it returns nil, otherwise +// it returns the error that would occur if an update were attempted. +func (o *Options) CheckPermissions() error { + // get the directory the file exists in + path, err := o.getPath() + if err != nil { + return err + } + + fileDir := filepath.Dir(path) + fileName := filepath.Base(path) + + // attempt to open a file in the file's directory + newPath := filepath.Join(fileDir, fmt.Sprintf(".%s.check-perm", fileName)) + fp, err := os.OpenFile(newPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, o.getMode()) + if err != nil { + return err + } + fp.Close() + + _ = os.Remove(newPath) + return nil +} + +func (o *Options) getPath() (string, error) { + if o.TargetPath == "" { + return osext.Executable() + } else { + return o.TargetPath, nil + } +} + +func (o *Options) getMode() os.FileMode { + if o.TargetMode == 0 { + return 0755 + } + return o.TargetMode +} + +func (o *Options) getHash() crypto.Hash { + if o.Hash == 0 { + o.Hash = crypto.SHA256 + } + return o.Hash +} + +func (o *Options) applyPatch(patch io.Reader, targetPath string) ([]byte, error) { + // open the file to patch + old, err := os.Open(targetPath) + if err != nil { + return nil, err + } + defer old.Close() + + // apply the patch + var applied bytes.Buffer + if err = o.Patcher.Patch(old, &applied, patch); err != nil { + return nil, err + } + + return applied.Bytes(), nil +} + +func (o *Options) verifyChecksum(updated []byte) error { + checksum, err := checksumFor(o.getHash(), updated) + if err != nil { + return err + } + + if !bytes.Equal(o.Checksum, checksum) { + return fmt.Errorf("Updated file has wrong checksum. Expected: %x, got: %x", o.Checksum, checksum) + } + return nil +} + +func checksumFor(h crypto.Hash, payload []byte) ([]byte, error) { + if !h.Available() { + return nil, errors.New("requested hash function not available") + } + hash := h.New() + hash.Write(payload) // guaranteed not to error + return hash.Sum([]byte{}), nil +} diff --git a/vendor/github.com/minio/selfupdate/doc.go b/vendor/github.com/minio/selfupdate/doc.go new file mode 100644 index 0000000..dde4451 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/doc.go @@ -0,0 +1,152 @@ +/* +Package update provides functionality to implement secure, self-updating Go programs (or other single-file targets). + +For complete updating solutions please see Equinox (https://equinox.io) and go-tuf (https://github.com/flynn/go-tuf). + +# Basic Example + +This example shows how to update a program remotely from a URL. + + import ( + "fmt" + "net/http" + + "github.com/minio/selfupdate" + ) + + func doUpdate(url string) error { + // request the new file + resp, err := http.Get(url) + if err != nil { + return err + } + defer resp.Body.Close() + err := selfupdate.Apply(resp.Body, selfupdate.Options{}) + if err != nil { + if rerr := selfupdate.RollbackError(err); rerr != nil { + fmt.Println("Failed to rollback from bad update: %v", rerr) + } + } + return err + } + +# Binary Patching + +Go binaries can often be large. It can be advantageous to only ship a binary patch to a client +instead of the complete program text of a new version. + +This example shows how to update a program with a bsdiff binary patch. Other patch formats +may be applied by implementing the Patcher interface. + + import ( + "encoding/hex" + "io" + + "github.com/minio/selfupdate" + ) + + func updateWithPatch(patch io.Reader) error { + err := selfupdate.Apply(patch, selfupdate.Options{ + Patcher: selfupdate.NewBSDiffPatcher() + }) + if err != nil { + // error handling + } + return err + } + +# Checksum Verification + +Updating executable code on a computer can be a dangerous operation unless you +take the appropriate steps to guarantee the authenticity of the new code. While +checksum verification is important, it should always be combined with signature +verification (next section) to guarantee that the code came from a trusted party. + +selfupdate validates SHA256 checksums by default, but this is pluggable via the Hash +property on the Options struct. + +This example shows how to guarantee that the newly-updated binary is verified to +have an appropriate checksum (that was otherwise retrieved via a secure channel) +specified as a hex string. + + import ( + "crypto" + _ "crypto/sha256" + "encoding/hex" + "io" + + "github.com/minio/selfupdate" + ) + + func updateWithChecksum(binary io.Reader, hexChecksum string) error { + checksum, err := hex.DecodeString(hexChecksum) + if err != nil { + return err + } + err = selfupdate.Apply(binary, selfupdate.Options{ + Hash: crypto.SHA256, // this is the default, you don't need to specify it + Checksum: checksum, + }) + if err != nil { + // error handling + } + return err + } + +# Cryptographic Signature Verification + +Cryptographic verification of new code from an update is an extremely important way to guarantee the +security and integrity of your updates. + +Verification is performed by validating the signature of a hash of the new file. This +means nothing changes if you apply your update with a patch. + +This example shows how to add signature verification to your updates. To make all of this work +an application distributor must first create a public/private key pair and embed the public key +into their application. When they issue a new release, the issuer must sign the new executable file +with the private key and distribute the signature along with the selfupdate. + + import ( + "crypto" + _ "crypto/sha256" + "encoding/hex" + "io" + + "github.com/minio/selfupdate" + ) + + func verifiedUpdate(binary io.Reader, hexChecksum string) { + checksum, err := hex.DecodeString(hexChecksum) + if err != nil { + return err + } + opts := selfupdate.Options{ + Checksum: checksum, + Hash: crypto.SHA256, // this is the default, you don't need to specify it + } + err = selfupdate.Apply(binary, opts) + if err != nil { + // error handling + } + return err + } + +# Building Single-File Go Binaries + +In order to update a Go application with selfupdate, you must distribute it as a single executable. +This is often easy, but some applications require static assets (like HTML and CSS asset files or TLS certificates). +In order to update applications like these, you'll want to make sure to embed those asset files into +the distributed binary with a tool like go-bindata (my favorite): https://github.com/jteeuwen/go-bindata + +# Non-Goals + +Mechanisms and protocols for determining whether an update should be applied and, if so, which one are +out of scope for this package. Please consult go-tuf (https://github.com/flynn/go-tuf) or Equinox (https://equinox.io) +for more complete solutions. + +selfupdate only works for self-updating applications that are distributed as a single binary, i.e. +applications that do not have additional assets or dependency files. +Updating application that are distributed as multiple on-disk files is out of scope, although this +may change in future versions of this library. +*/ +package selfupdate diff --git a/vendor/github.com/minio/selfupdate/hide_noop.go b/vendor/github.com/minio/selfupdate/hide_noop.go new file mode 100644 index 0000000..9d29be9 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/hide_noop.go @@ -0,0 +1,7 @@ +// +build !windows + +package selfupdate + +func hideFile(path string) error { + return nil +} diff --git a/vendor/github.com/minio/selfupdate/hide_windows.go b/vendor/github.com/minio/selfupdate/hide_windows.go new file mode 100644 index 0000000..67ebd0b --- /dev/null +++ b/vendor/github.com/minio/selfupdate/hide_windows.go @@ -0,0 +1,19 @@ +package selfupdate + +import ( + "syscall" + "unsafe" +) + +func hideFile(path string) error { + kernel32 := syscall.NewLazyDLL("kernel32.dll") + setFileAttributes := kernel32.NewProc("SetFileAttributesW") + + r1, _, err := setFileAttributes.Call(uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))), 2) + + if r1 == 0 { + return err + } else { + return nil + } +} diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/.gitignore b/vendor/github.com/minio/selfupdate/internal/binarydist/.gitignore new file mode 100644 index 0000000..5374fa7 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/.gitignore @@ -0,0 +1 @@ +test.* \ No newline at end of file diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/License b/vendor/github.com/minio/selfupdate/internal/binarydist/License new file mode 100644 index 0000000..183c389 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/License @@ -0,0 +1,22 @@ +Copyright 2012 Keith Rarick + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/Readme.md b/vendor/github.com/minio/selfupdate/internal/binarydist/Readme.md new file mode 100644 index 0000000..dadc368 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/Readme.md @@ -0,0 +1,7 @@ +# binarydist + +Package binarydist implements binary diff and patch as described on +. It reads and writes files +compatible with the tools there. + +Documentation at . diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/bzip2.go b/vendor/github.com/minio/selfupdate/internal/binarydist/bzip2.go new file mode 100644 index 0000000..a2516b8 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/bzip2.go @@ -0,0 +1,40 @@ +package binarydist + +import ( + "io" + "os/exec" +) + +type bzip2Writer struct { + c *exec.Cmd + w io.WriteCloser +} + +func (w bzip2Writer) Write(b []byte) (int, error) { + return w.w.Write(b) +} + +func (w bzip2Writer) Close() error { + if err := w.w.Close(); err != nil { + return err + } + return w.c.Wait() +} + +// Package compress/bzip2 implements only decompression, +// so we'll fake it by running bzip2 in another process. +func newBzip2Writer(w io.Writer) (wc io.WriteCloser, err error) { + var bw bzip2Writer + bw.c = exec.Command("bzip2", "-c") + bw.c.Stdout = w + + if bw.w, err = bw.c.StdinPipe(); err != nil { + return nil, err + } + + if err = bw.c.Start(); err != nil { + return nil, err + } + + return bw, nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/diff.go b/vendor/github.com/minio/selfupdate/internal/binarydist/diff.go new file mode 100644 index 0000000..1d2d951 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/diff.go @@ -0,0 +1,408 @@ +package binarydist + +import ( + "bytes" + "encoding/binary" + "io" + "io/ioutil" +) + +func swap(a []int, i, j int) { a[i], a[j] = a[j], a[i] } + +func split(I, V []int, start, length, h int) { + var i, j, k, x, jj, kk int + + if length < 16 { + for k = start; k < start+length; k += j { + j = 1 + x = V[I[k]+h] + for i = 1; k+i < start+length; i++ { + if V[I[k+i]+h] < x { + x = V[I[k+i]+h] + j = 0 + } + if V[I[k+i]+h] == x { + swap(I, k+i, k+j) + j++ + } + } + for i = 0; i < j; i++ { + V[I[k+i]] = k + j - 1 + } + if j == 1 { + I[k] = -1 + } + } + return + } + + x = V[I[start+length/2]+h] + jj = 0 + kk = 0 + for i = start; i < start+length; i++ { + if V[I[i]+h] < x { + jj++ + } + if V[I[i]+h] == x { + kk++ + } + } + jj += start + kk += jj + + i = start + j = 0 + k = 0 + for i < jj { + if V[I[i]+h] < x { + i++ + } else if V[I[i]+h] == x { + swap(I, i, jj+j) + j++ + } else { + swap(I, i, kk+k) + k++ + } + } + + for jj+j < kk { + if V[I[jj+j]+h] == x { + j++ + } else { + swap(I, jj+j, kk+k) + k++ + } + } + + if jj > start { + split(I, V, start, jj-start, h) + } + + for i = 0; i < kk-jj; i++ { + V[I[jj+i]] = kk - 1 + } + if jj == kk-1 { + I[jj] = -1 + } + + if start+length > kk { + split(I, V, kk, start+length-kk, h) + } +} + +func qsufsort(obuf []byte) []int { + var buckets [256]int + var i, h int + I := make([]int, len(obuf)+1) + V := make([]int, len(obuf)+1) + + for _, c := range obuf { + buckets[c]++ + } + for i = 1; i < 256; i++ { + buckets[i] += buckets[i-1] + } + copy(buckets[1:], buckets[:]) + buckets[0] = 0 + + for i, c := range obuf { + buckets[c]++ + I[buckets[c]] = i + } + + I[0] = len(obuf) + for i, c := range obuf { + V[i] = buckets[c] + } + + V[len(obuf)] = 0 + for i = 1; i < 256; i++ { + if buckets[i] == buckets[i-1]+1 { + I[buckets[i]] = -1 + } + } + I[0] = -1 + + for h = 1; I[0] != -(len(obuf) + 1); h += h { + var n int + for i = 0; i < len(obuf)+1; { + if I[i] < 0 { + n -= I[i] + i -= I[i] + } else { + if n != 0 { + I[i-n] = -n + } + n = V[I[i]] + 1 - i + split(I, V, i, n, h) + i += n + n = 0 + } + } + if n != 0 { + I[i-n] = -n + } + } + + for i = 0; i < len(obuf)+1; i++ { + I[V[i]] = i + } + return I +} + +func matchlen(a, b []byte) (i int) { + for i < len(a) && i < len(b) && a[i] == b[i] { + i++ + } + return i +} + +func search(I []int, obuf, nbuf []byte, st, en int) (pos, n int) { + if en-st < 2 { + x := matchlen(obuf[I[st]:], nbuf) + y := matchlen(obuf[I[en]:], nbuf) + + if x > y { + return I[st], x + } else { + return I[en], y + } + } + + x := st + (en-st)/2 + if bytes.Compare(obuf[I[x]:], nbuf) < 0 { + return search(I, obuf, nbuf, x, en) + } else { + return search(I, obuf, nbuf, st, x) + } + panic("unreached") +} + +// Diff computes the difference between old and new, according to the bsdiff +// algorithm, and writes the result to patch. +func Diff(old, new io.Reader, patch io.Writer) error { + obuf, err := ioutil.ReadAll(old) + if err != nil { + return err + } + + nbuf, err := ioutil.ReadAll(new) + if err != nil { + return err + } + + pbuf, err := diffBytes(obuf, nbuf) + if err != nil { + return err + } + + _, err = patch.Write(pbuf) + return err +} + +func diffBytes(obuf, nbuf []byte) ([]byte, error) { + var patch seekBuffer + err := diff(obuf, nbuf, &patch) + if err != nil { + return nil, err + } + return patch.buf, nil +} + +func diff(obuf, nbuf []byte, patch io.WriteSeeker) error { + var lenf int + I := qsufsort(obuf) + db := make([]byte, len(nbuf)) + eb := make([]byte, len(nbuf)) + var dblen, eblen int + + var hdr header + hdr.Magic = magic + hdr.NewSize = int64(len(nbuf)) + err := binary.Write(patch, signMagLittleEndian{}, &hdr) + if err != nil { + return err + } + + // Compute the differences, writing ctrl as we go + pfbz2, err := newBzip2Writer(patch) + if err != nil { + return err + } + var scan, pos, length int + var lastscan, lastpos, lastoffset int + for scan < len(nbuf) { + var oldscore int + scan += length + for scsc := scan; scan < len(nbuf); scan++ { + pos, length = search(I, obuf, nbuf[scan:], 0, len(obuf)) + + for ; scsc < scan+length; scsc++ { + if scsc+lastoffset < len(obuf) && + obuf[scsc+lastoffset] == nbuf[scsc] { + oldscore++ + } + } + + if (length == oldscore && length != 0) || length > oldscore+8 { + break + } + + if scan+lastoffset < len(obuf) && obuf[scan+lastoffset] == nbuf[scan] { + oldscore-- + } + } + + if length != oldscore || scan == len(nbuf) { + var s, Sf int + lenf = 0 + for i := 0; lastscan+i < scan && lastpos+i < len(obuf); { + if obuf[lastpos+i] == nbuf[lastscan+i] { + s++ + } + i++ + if s*2-i > Sf*2-lenf { + Sf = s + lenf = i + } + } + + lenb := 0 + if scan < len(nbuf) { + var s, Sb int + for i := 1; (scan >= lastscan+i) && (pos >= i); i++ { + if obuf[pos-i] == nbuf[scan-i] { + s++ + } + if s*2-i > Sb*2-lenb { + Sb = s + lenb = i + } + } + } + + if lastscan+lenf > scan-lenb { + overlap := (lastscan + lenf) - (scan - lenb) + s := 0 + Ss := 0 + lens := 0 + for i := 0; i < overlap; i++ { + if nbuf[lastscan+lenf-overlap+i] == obuf[lastpos+lenf-overlap+i] { + s++ + } + if nbuf[scan-lenb+i] == obuf[pos-lenb+i] { + s-- + } + if s > Ss { + Ss = s + lens = i + 1 + } + } + + lenf += lens - overlap + lenb -= lens + } + + for i := 0; i < lenf; i++ { + db[dblen+i] = nbuf[lastscan+i] - obuf[lastpos+i] + } + for i := 0; i < (scan-lenb)-(lastscan+lenf); i++ { + eb[eblen+i] = nbuf[lastscan+lenf+i] + } + + dblen += lenf + eblen += (scan - lenb) - (lastscan + lenf) + + err = binary.Write(pfbz2, signMagLittleEndian{}, int64(lenf)) + if err != nil { + pfbz2.Close() + return err + } + + val := (scan - lenb) - (lastscan + lenf) + err = binary.Write(pfbz2, signMagLittleEndian{}, int64(val)) + if err != nil { + pfbz2.Close() + return err + } + + val = (pos - lenb) - (lastpos + lenf) + err = binary.Write(pfbz2, signMagLittleEndian{}, int64(val)) + if err != nil { + pfbz2.Close() + return err + } + + lastscan = scan - lenb + lastpos = pos - lenb + lastoffset = pos - scan + } + } + err = pfbz2.Close() + if err != nil { + return err + } + + // Compute size of compressed ctrl data + l64, err := patch.Seek(0, 1) + if err != nil { + return err + } + hdr.CtrlLen = int64(l64 - 32) + + // Write compressed diff data + pfbz2, err = newBzip2Writer(patch) + if err != nil { + return err + } + n, err := pfbz2.Write(db[:dblen]) + if err != nil { + pfbz2.Close() + return err + } + if n != dblen { + pfbz2.Close() + return io.ErrShortWrite + } + err = pfbz2.Close() + if err != nil { + return err + } + + // Compute size of compressed diff data + n64, err := patch.Seek(0, 1) + if err != nil { + return err + } + hdr.DiffLen = n64 - l64 + + // Write compressed extra data + pfbz2, err = newBzip2Writer(patch) + if err != nil { + return err + } + n, err = pfbz2.Write(eb[:eblen]) + if err != nil { + pfbz2.Close() + return err + } + if n != eblen { + pfbz2.Close() + return io.ErrShortWrite + } + err = pfbz2.Close() + if err != nil { + return err + } + + // Seek to the beginning, write the header, and close the file + _, err = patch.Seek(0, 0) + if err != nil { + return err + } + err = binary.Write(patch, signMagLittleEndian{}, &hdr) + if err != nil { + return err + } + return nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/doc.go b/vendor/github.com/minio/selfupdate/internal/binarydist/doc.go new file mode 100644 index 0000000..3c92d87 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/doc.go @@ -0,0 +1,24 @@ +// Package binarydist implements binary diff and patch as described on +// http://www.daemonology.net/bsdiff/. It reads and writes files +// compatible with the tools there. +package binarydist + +var magic = [8]byte{'B', 'S', 'D', 'I', 'F', 'F', '4', '0'} + +// File format: +// 0 8 "BSDIFF40" +// 8 8 X +// 16 8 Y +// 24 8 sizeof(newfile) +// 32 X bzip2(control block) +// 32+X Y bzip2(diff block) +// 32+X+Y ??? bzip2(extra block) +// with control block a set of triples (x,y,z) meaning "add x bytes +// from oldfile to x bytes from the diff block; copy y bytes from the +// extra block; seek forwards in oldfile by z bytes". +type header struct { + Magic [8]byte + CtrlLen int64 + DiffLen int64 + NewSize int64 +} diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/encoding.go b/vendor/github.com/minio/selfupdate/internal/binarydist/encoding.go new file mode 100644 index 0000000..75ba585 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/encoding.go @@ -0,0 +1,53 @@ +package binarydist + +// SignMagLittleEndian is the numeric encoding used by the bsdiff tools. +// It implements binary.ByteOrder using a sign-magnitude format +// and little-endian byte order. Only methods Uint64 and String +// have been written; the rest panic. +type signMagLittleEndian struct{} + +func (signMagLittleEndian) Uint16(b []byte) uint16 { panic("unimplemented") } + +func (signMagLittleEndian) PutUint16(b []byte, v uint16) { panic("unimplemented") } + +func (signMagLittleEndian) Uint32(b []byte) uint32 { panic("unimplemented") } + +func (signMagLittleEndian) PutUint32(b []byte, v uint32) { panic("unimplemented") } + +func (signMagLittleEndian) Uint64(b []byte) uint64 { + y := int64(b[0]) | + int64(b[1])<<8 | + int64(b[2])<<16 | + int64(b[3])<<24 | + int64(b[4])<<32 | + int64(b[5])<<40 | + int64(b[6])<<48 | + int64(b[7]&0x7f)<<56 + + if b[7]&0x80 != 0 { + y = -y + } + return uint64(y) +} + +func (signMagLittleEndian) PutUint64(b []byte, v uint64) { + x := int64(v) + neg := x < 0 + if neg { + x = -x + } + + b[0] = byte(x) + b[1] = byte(x >> 8) + b[2] = byte(x >> 16) + b[3] = byte(x >> 24) + b[4] = byte(x >> 32) + b[5] = byte(x >> 40) + b[6] = byte(x >> 48) + b[7] = byte(x >> 56) + if neg { + b[7] |= 0x80 + } +} + +func (signMagLittleEndian) String() string { return "signMagLittleEndian" } diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/patch.go b/vendor/github.com/minio/selfupdate/internal/binarydist/patch.go new file mode 100644 index 0000000..eb03225 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/patch.go @@ -0,0 +1,109 @@ +package binarydist + +import ( + "bytes" + "compress/bzip2" + "encoding/binary" + "errors" + "io" + "io/ioutil" +) + +var ErrCorrupt = errors.New("corrupt patch") + +// Patch applies patch to old, according to the bspatch algorithm, +// and writes the result to new. +func Patch(old io.Reader, new io.Writer, patch io.Reader) error { + var hdr header + err := binary.Read(patch, signMagLittleEndian{}, &hdr) + if err != nil { + return err + } + if hdr.Magic != magic { + return ErrCorrupt + } + if hdr.CtrlLen < 0 || hdr.DiffLen < 0 || hdr.NewSize < 0 { + return ErrCorrupt + } + + ctrlbuf := make([]byte, hdr.CtrlLen) + _, err = io.ReadFull(patch, ctrlbuf) + if err != nil { + return err + } + cpfbz2 := bzip2.NewReader(bytes.NewReader(ctrlbuf)) + + diffbuf := make([]byte, hdr.DiffLen) + _, err = io.ReadFull(patch, diffbuf) + if err != nil { + return err + } + dpfbz2 := bzip2.NewReader(bytes.NewReader(diffbuf)) + + // The entire rest of the file is the extra block. + epfbz2 := bzip2.NewReader(patch) + + obuf, err := ioutil.ReadAll(old) + if err != nil { + return err + } + + nbuf := make([]byte, hdr.NewSize) + + var oldpos, newpos int64 + for newpos < hdr.NewSize { + var ctrl struct{ Add, Copy, Seek int64 } + err = binary.Read(cpfbz2, signMagLittleEndian{}, &ctrl) + if err != nil { + return err + } + + // Sanity-check + if newpos+ctrl.Add > hdr.NewSize { + return ErrCorrupt + } + + // Read diff string + _, err = io.ReadFull(dpfbz2, nbuf[newpos:newpos+ctrl.Add]) + if err != nil { + return ErrCorrupt + } + + // Add old data to diff string + for i := int64(0); i < ctrl.Add; i++ { + if oldpos+i >= 0 && oldpos+i < int64(len(obuf)) { + nbuf[newpos+i] += obuf[oldpos+i] + } + } + + // Adjust pointers + newpos += ctrl.Add + oldpos += ctrl.Add + + // Sanity-check + if newpos+ctrl.Copy > hdr.NewSize { + return ErrCorrupt + } + + // Read extra string + _, err = io.ReadFull(epfbz2, nbuf[newpos:newpos+ctrl.Copy]) + if err != nil { + return ErrCorrupt + } + + // Adjust pointers + newpos += ctrl.Copy + oldpos += ctrl.Seek + } + + // Write the new file + for len(nbuf) > 0 { + n, err := new.Write(nbuf) + if err != nil { + return err + } + nbuf = nbuf[n:] + } + + return nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/binarydist/seek.go b/vendor/github.com/minio/selfupdate/internal/binarydist/seek.go new file mode 100644 index 0000000..96c0346 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/binarydist/seek.go @@ -0,0 +1,43 @@ +package binarydist + +import ( + "errors" +) + +type seekBuffer struct { + buf []byte + pos int +} + +func (b *seekBuffer) Write(p []byte) (n int, err error) { + n = copy(b.buf[b.pos:], p) + if n == len(p) { + b.pos += n + return n, nil + } + b.buf = append(b.buf, p[n:]...) + b.pos += len(p) + return len(p), nil +} + +func (b *seekBuffer) Seek(offset int64, whence int) (ret int64, err error) { + var abs int64 + switch whence { + case 0: + abs = offset + case 1: + abs = int64(b.pos) + offset + case 2: + abs = int64(len(b.buf)) + offset + default: + return 0, errors.New("binarydist: invalid whence") + } + if abs < 0 { + return 0, errors.New("binarydist: negative position") + } + if abs >= 1<<31 { + return 0, errors.New("binarydist: position out of range") + } + b.pos = int(abs) + return abs, nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/osext/LICENSE b/vendor/github.com/minio/selfupdate/internal/osext/LICENSE new file mode 100644 index 0000000..7448756 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2012 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/minio/selfupdate/internal/osext/README.md b/vendor/github.com/minio/selfupdate/internal/osext/README.md new file mode 100644 index 0000000..61350ba --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/README.md @@ -0,0 +1,16 @@ +### Extensions to the "os" package. + +## Find the current Executable and ExecutableFolder. + +There is sometimes utility in finding the current executable file +that is running. This can be used for upgrading the current executable +or finding resources located relative to the executable file. Both +working directory and the os.Args[0] value are arbitrary and cannot +be relied on; os.Args[0] can be "faked". + +Multi-platform and supports: + * Linux + * OS X + * Windows + * Plan 9 + * BSDs. diff --git a/vendor/github.com/minio/selfupdate/internal/osext/osext.go b/vendor/github.com/minio/selfupdate/internal/osext/osext.go new file mode 100644 index 0000000..7bef46f --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/osext.go @@ -0,0 +1,27 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Extensions to the standard "os" package. +package osext + +import "path/filepath" + +// Executable returns an absolute path that can be used to +// re-invoke the current program. +// It may not be valid after the current program exits. +func Executable() (string, error) { + p, err := executable() + return filepath.Clean(p), err +} + +// Returns same path as Executable, returns just the folder +// path. Excludes the executable name and any trailing slash. +func ExecutableFolder() (string, error) { + p, err := Executable() + if err != nil { + return "", err + } + + return filepath.Dir(p), nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/osext/osext_plan9.go b/vendor/github.com/minio/selfupdate/internal/osext/osext_plan9.go new file mode 100644 index 0000000..655750c --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/osext_plan9.go @@ -0,0 +1,20 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package osext + +import ( + "os" + "strconv" + "syscall" +) + +func executable() (string, error) { + f, err := os.Open("/proc/" + strconv.Itoa(os.Getpid()) + "/text") + if err != nil { + return "", err + } + defer f.Close() + return syscall.Fd2path(int(f.Fd())) +} diff --git a/vendor/github.com/minio/selfupdate/internal/osext/osext_procfs.go b/vendor/github.com/minio/selfupdate/internal/osext/osext_procfs.go new file mode 100644 index 0000000..b2598bc --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/osext_procfs.go @@ -0,0 +1,36 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build linux netbsd openbsd solaris dragonfly + +package osext + +import ( + "errors" + "fmt" + "os" + "runtime" + "strings" +) + +func executable() (string, error) { + switch runtime.GOOS { + case "linux": + const deletedTag = " (deleted)" + execpath, err := os.Readlink("/proc/self/exe") + if err != nil { + return execpath, err + } + execpath = strings.TrimSuffix(execpath, deletedTag) + execpath = strings.TrimPrefix(execpath, deletedTag) + return execpath, nil + case "netbsd": + return os.Readlink("/proc/curproc/exe") + case "openbsd", "dragonfly": + return os.Readlink("/proc/curproc/file") + case "solaris": + return os.Readlink(fmt.Sprintf("/proc/%d/path/a.out", os.Getpid())) + } + return "", errors.New("ExecPath not implemented for " + runtime.GOOS) +} diff --git a/vendor/github.com/minio/selfupdate/internal/osext/osext_sysctl.go b/vendor/github.com/minio/selfupdate/internal/osext/osext_sysctl.go new file mode 100644 index 0000000..b66cac8 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/osext_sysctl.go @@ -0,0 +1,79 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build darwin freebsd + +package osext + +import ( + "os" + "path/filepath" + "runtime" + "syscall" + "unsafe" +) + +var initCwd, initCwdErr = os.Getwd() + +func executable() (string, error) { + var mib [4]int32 + switch runtime.GOOS { + case "freebsd": + mib = [4]int32{1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1} + case "darwin": + mib = [4]int32{1 /* CTL_KERN */, 38 /* KERN_PROCARGS */, int32(os.Getpid()), -1} + } + + n := uintptr(0) + // Get length. + _, _, errNum := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, 0, uintptr(unsafe.Pointer(&n)), 0, 0) + if errNum != 0 { + return "", errNum + } + if n == 0 { // This shouldn't happen. + return "", nil + } + buf := make([]byte, n) + _, _, errNum = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&n)), 0, 0) + if errNum != 0 { + return "", errNum + } + if n == 0 { // This shouldn't happen. + return "", nil + } + for i, v := range buf { + if v == 0 { + buf = buf[:i] + break + } + } + var err error + execPath := string(buf) + // execPath will not be empty due to above checks. + // Try to get the absolute path if the execPath is not rooted. + if execPath[0] != '/' { + execPath, err = getAbs(execPath) + if err != nil { + return execPath, err + } + } + // For darwin KERN_PROCARGS may return the path to a symlink rather than the + // actual executable. + if runtime.GOOS == "darwin" { + if execPath, err = filepath.EvalSymlinks(execPath); err != nil { + return execPath, err + } + } + return execPath, nil +} + +func getAbs(execPath string) (string, error) { + if initCwdErr != nil { + return execPath, initCwdErr + } + // The execPath may begin with a "../" or a "./" so clean it first. + // Join the two paths, trailing and starting slashes undetermined, so use + // the generic Join function. + return filepath.Join(initCwd, filepath.Clean(execPath)), nil +} diff --git a/vendor/github.com/minio/selfupdate/internal/osext/osext_windows.go b/vendor/github.com/minio/selfupdate/internal/osext/osext_windows.go new file mode 100644 index 0000000..72d282c --- /dev/null +++ b/vendor/github.com/minio/selfupdate/internal/osext/osext_windows.go @@ -0,0 +1,34 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package osext + +import ( + "syscall" + "unicode/utf16" + "unsafe" +) + +var ( + kernel = syscall.MustLoadDLL("kernel32.dll") + getModuleFileNameProc = kernel.MustFindProc("GetModuleFileNameW") +) + +// GetModuleFileName() with hModule = NULL +func executable() (exePath string, err error) { + return getModuleFileName() +} + +func getModuleFileName() (string, error) { + var n uint32 + b := make([]uint16, syscall.MAX_PATH) + size := uint32(len(b)) + + r0, _, e1 := getModuleFileNameProc.Call(0, uintptr(unsafe.Pointer(&b[0])), uintptr(size)) + n = uint32(r0) + if n == 0 { + return "", e1 + } + return string(utf16.Decode(b[0:n])), nil +} diff --git a/vendor/github.com/minio/selfupdate/minisign.go b/vendor/github.com/minio/selfupdate/minisign.go new file mode 100644 index 0000000..e488883 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/minisign.go @@ -0,0 +1,75 @@ +package selfupdate + +import ( + "errors" + "io" + "net/http" + + "aead.dev/minisign" +) + +type Verifier struct { + publicKey minisign.PublicKey + signature minisign.Signature +} + +func (v *Verifier) LoadFromURL(signatureURL string, passphrase string, transport http.RoundTripper) error { + var publicKey minisign.PublicKey + if err := publicKey.UnmarshalText([]byte(passphrase)); err != nil { + return err + } + + client := &http.Client{Transport: transport} + req, err := http.NewRequest(http.MethodGet, signatureURL, nil) + if err != nil { + return err + } + resp, err := client.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + if resp.StatusCode != http.StatusOK { + return errors.New(resp.Status) + } + + const MaxSize = 1 << 20 + b, err := io.ReadAll(io.LimitReader(resp.Body, MaxSize)) + if err != nil { + return err + } + var signature minisign.Signature + if err = signature.UnmarshalText(b); err != nil { + return err + } + v.publicKey, v.signature = publicKey, signature + return nil +} + +func (v *Verifier) LoadFromFile(signaturePath string, passphrase string) error { + var publicKey minisign.PublicKey + if err := publicKey.UnmarshalText([]byte(passphrase)); err != nil { + return err + } + signature, err := minisign.SignatureFromFile(signaturePath) + if err != nil { + return err + } + v.publicKey, v.signature = publicKey, signature + return nil +} + +func NewVerifier() *Verifier { + return &Verifier{} +} + +func (v *Verifier) Verify(bin []byte) error { + signature, err := v.signature.MarshalText() + if err != nil { + return err + } + if !minisign.Verify(v.publicKey, bin, signature) { + return errors.New("selfupdate: signature verification failed") + } + return nil +} diff --git a/vendor/github.com/minio/selfupdate/patcher.go b/vendor/github.com/minio/selfupdate/patcher.go new file mode 100644 index 0000000..1bff793 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/patcher.go @@ -0,0 +1,24 @@ +package selfupdate + +import ( + "io" + + "github.com/minio/selfupdate/internal/binarydist" +) + +// Patcher defines an interface for applying binary patches to an old item to get an updated item. +type Patcher interface { + Patch(old io.Reader, new io.Writer, patch io.Reader) error +} + +type patchFn func(io.Reader, io.Writer, io.Reader) error + +func (fn patchFn) Patch(old io.Reader, new io.Writer, patch io.Reader) error { + return fn(old, new, patch) +} + +// NewBSDifferPatcher returns a new Patcher that applies binary patches using +// the bsdiff algorithm. See http://www.daemonology.net/bsdiff/ +func NewBSDiffPatcher() Patcher { + return patchFn(binarydist.Patch) +} diff --git a/vendor/github.com/minio/selfupdate/test.key b/vendor/github.com/minio/selfupdate/test.key new file mode 100644 index 0000000..aaf45b7 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/test.key @@ -0,0 +1,2 @@ +untrusted comment: minisign encrypted secret key +RWRTY0IyG1x0dmDUEt6W4pVJdOc68t4Qw5WGYE2YvmQKDVOhYHEAAAACAAAAAAAAAEAAAAAAriScLG3bvMtySsBgoKpDAFZwjsEk7mftUovvG1i31XD8W+9a+lOBUPaC8CSUma9AmGuKFWCNsYRo1acAvvtW/zMXd9DamLaRhfvyJ+h7aUYpZsaVTBzczwATrvsIJkXclKmGe4eIXV0= diff --git a/vendor/github.com/minio/selfupdate/test.pub b/vendor/github.com/minio/selfupdate/test.pub new file mode 100644 index 0000000..4e3ac29 --- /dev/null +++ b/vendor/github.com/minio/selfupdate/test.pub @@ -0,0 +1,2 @@ +untrusted comment: minisign public key D4D39827CD08C21 +RWQhjNB8gjlNDQYRsRiGEzKTtGwzkcFLRMiSEy+texbTAVMvsgFLLfSr diff --git a/vendor/github.com/open-policy-agent/opa/cover/cover.go b/vendor/github.com/open-policy-agent/opa/cover/cover.go deleted file mode 100644 index 892a3a5..0000000 --- a/vendor/github.com/open-policy-agent/opa/cover/cover.go +++ /dev/null @@ -1,37 +0,0 @@ -// Copyright 2018 The OPA Authors. All rights reserved. -// Use of this source code is governed by an Apache2 -// license that can be found in the LICENSE file. - -// Package cover reports coverage on modules. -package cover - -import ( - v1 "github.com/open-policy-agent/opa/v1/cover" -) - -// Cover computes and reports on coverage. -type Cover = v1.Cover - -// New returns a new Cover object. -func New() *Cover { - return v1.New() -} - -// Position represents a file location. -type Position = v1.Position - -// PositionSlice is a collection of position that can be sorted. -type PositionSlice = v1.PositionSlice - -// Range represents a range of positions in a file. -type Range = v1.Range - -// FileReport represents a coverage report for a single file. -type FileReport = v1.FileReport - -// Report represents a coverage report for a set of files. -type Report = v1.Report - -// CoverageThresholdError represents an error raised when the global -// code coverage percentage is lower than the specified threshold. -type CoverageThresholdError = v1.CoverageThresholdError diff --git a/vendor/github.com/open-policy-agent/opa/cover/doc.go b/vendor/github.com/open-policy-agent/opa/cover/doc.go deleted file mode 100644 index 4dce6e5..0000000 --- a/vendor/github.com/open-policy-agent/opa/cover/doc.go +++ /dev/null @@ -1,8 +0,0 @@ -// Copyright 2024 The OPA Authors. All rights reserved. -// Use of this source code is governed by an Apache2 -// license that can be found in the LICENSE file. - -// Deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. -// For newer features and behaviours, such as defaulting to the Rego v1 syntax, use the corresponding components in the [github.com/open-policy-agent/opa/v1] package instead. -// See https://www.openpolicyagent.org/docs/latest/v0-compatibility/ for more information. -package cover diff --git a/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go b/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go new file mode 100644 index 0000000..28cd99c --- /dev/null +++ b/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go @@ -0,0 +1,77 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC +2898 / PKCS #5 v2.0. + +A key derivation function is useful when encrypting data based on a password +or any other not-fully-random data. It uses a pseudorandom function to derive +a secure encryption key based on the password. + +While v2.0 of the standard defines only one pseudorandom function to use, +HMAC-SHA1, the drafted v2.1 specification allows use of all five FIPS Approved +Hash Functions SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 for HMAC. To +choose, you can pass the `New` functions from the different SHA packages to +pbkdf2.Key. +*/ +package pbkdf2 + +import ( + "crypto/hmac" + "hash" +) + +// Key derives a key from the password, salt and iteration count, returning a +// []byte of length keylen that can be used as cryptographic key. The key is +// derived based on the method described as PBKDF2 with the HMAC variant using +// the supplied hash function. +// +// For example, to use a HMAC-SHA-1 based PBKDF2 key derivation function, you +// can get a derived key for e.g. AES-256 (which needs a 32-byte key) by +// doing: +// +// dk := pbkdf2.Key([]byte("some password"), salt, 4096, 32, sha1.New) +// +// Remember to get a good random salt. At least 8 bytes is recommended by the +// RFC. +// +// Using a higher iteration count will increase the cost of an exhaustive +// search but will also make derivation proportionally slower. +func Key(password, salt []byte, iter, keyLen int, h func() hash.Hash) []byte { + prf := hmac.New(h, password) + hashLen := prf.Size() + numBlocks := (keyLen + hashLen - 1) / hashLen + + var buf [4]byte + dk := make([]byte, 0, numBlocks*hashLen) + U := make([]byte, hashLen) + for block := 1; block <= numBlocks; block++ { + // N.B.: || means concatenation, ^ means XOR + // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter + // U_1 = PRF(password, salt || uint(i)) + prf.Reset() + prf.Write(salt) + buf[0] = byte(block >> 24) + buf[1] = byte(block >> 16) + buf[2] = byte(block >> 8) + buf[3] = byte(block) + prf.Write(buf[:4]) + dk = prf.Sum(dk) + T := dk[len(dk)-hashLen:] + copy(U, T) + + // U_n = PRF(password, U_(n-1)) + for n := 2; n <= iter; n++ { + prf.Reset() + prf.Write(U) + U = U[:0] + U = prf.Sum(U) + for x := range U { + T[x] ^= U[x] + } + } + } + return dk[:keyLen] +} diff --git a/vendor/golang.org/x/crypto/scrypt/scrypt.go b/vendor/golang.org/x/crypto/scrypt/scrypt.go new file mode 100644 index 0000000..76fa40f --- /dev/null +++ b/vendor/golang.org/x/crypto/scrypt/scrypt.go @@ -0,0 +1,212 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package scrypt implements the scrypt key derivation function as defined in +// Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard +// Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf). +package scrypt + +import ( + "crypto/sha256" + "encoding/binary" + "errors" + "math/bits" + + "golang.org/x/crypto/pbkdf2" +) + +const maxInt = int(^uint(0) >> 1) + +// blockCopy copies n numbers from src into dst. +func blockCopy(dst, src []uint32, n int) { + copy(dst, src[:n]) +} + +// blockXOR XORs numbers from dst with n numbers from src. +func blockXOR(dst, src []uint32, n int) { + for i, v := range src[:n] { + dst[i] ^= v + } +} + +// salsaXOR applies Salsa20/8 to the XOR of 16 numbers from tmp and in, +// and puts the result into both tmp and out. +func salsaXOR(tmp *[16]uint32, in, out []uint32) { + w0 := tmp[0] ^ in[0] + w1 := tmp[1] ^ in[1] + w2 := tmp[2] ^ in[2] + w3 := tmp[3] ^ in[3] + w4 := tmp[4] ^ in[4] + w5 := tmp[5] ^ in[5] + w6 := tmp[6] ^ in[6] + w7 := tmp[7] ^ in[7] + w8 := tmp[8] ^ in[8] + w9 := tmp[9] ^ in[9] + w10 := tmp[10] ^ in[10] + w11 := tmp[11] ^ in[11] + w12 := tmp[12] ^ in[12] + w13 := tmp[13] ^ in[13] + w14 := tmp[14] ^ in[14] + w15 := tmp[15] ^ in[15] + + x0, x1, x2, x3, x4, x5, x6, x7, x8 := w0, w1, w2, w3, w4, w5, w6, w7, w8 + x9, x10, x11, x12, x13, x14, x15 := w9, w10, w11, w12, w13, w14, w15 + + for i := 0; i < 8; i += 2 { + x4 ^= bits.RotateLeft32(x0+x12, 7) + x8 ^= bits.RotateLeft32(x4+x0, 9) + x12 ^= bits.RotateLeft32(x8+x4, 13) + x0 ^= bits.RotateLeft32(x12+x8, 18) + + x9 ^= bits.RotateLeft32(x5+x1, 7) + x13 ^= bits.RotateLeft32(x9+x5, 9) + x1 ^= bits.RotateLeft32(x13+x9, 13) + x5 ^= bits.RotateLeft32(x1+x13, 18) + + x14 ^= bits.RotateLeft32(x10+x6, 7) + x2 ^= bits.RotateLeft32(x14+x10, 9) + x6 ^= bits.RotateLeft32(x2+x14, 13) + x10 ^= bits.RotateLeft32(x6+x2, 18) + + x3 ^= bits.RotateLeft32(x15+x11, 7) + x7 ^= bits.RotateLeft32(x3+x15, 9) + x11 ^= bits.RotateLeft32(x7+x3, 13) + x15 ^= bits.RotateLeft32(x11+x7, 18) + + x1 ^= bits.RotateLeft32(x0+x3, 7) + x2 ^= bits.RotateLeft32(x1+x0, 9) + x3 ^= bits.RotateLeft32(x2+x1, 13) + x0 ^= bits.RotateLeft32(x3+x2, 18) + + x6 ^= bits.RotateLeft32(x5+x4, 7) + x7 ^= bits.RotateLeft32(x6+x5, 9) + x4 ^= bits.RotateLeft32(x7+x6, 13) + x5 ^= bits.RotateLeft32(x4+x7, 18) + + x11 ^= bits.RotateLeft32(x10+x9, 7) + x8 ^= bits.RotateLeft32(x11+x10, 9) + x9 ^= bits.RotateLeft32(x8+x11, 13) + x10 ^= bits.RotateLeft32(x9+x8, 18) + + x12 ^= bits.RotateLeft32(x15+x14, 7) + x13 ^= bits.RotateLeft32(x12+x15, 9) + x14 ^= bits.RotateLeft32(x13+x12, 13) + x15 ^= bits.RotateLeft32(x14+x13, 18) + } + x0 += w0 + x1 += w1 + x2 += w2 + x3 += w3 + x4 += w4 + x5 += w5 + x6 += w6 + x7 += w7 + x8 += w8 + x9 += w9 + x10 += w10 + x11 += w11 + x12 += w12 + x13 += w13 + x14 += w14 + x15 += w15 + + out[0], tmp[0] = x0, x0 + out[1], tmp[1] = x1, x1 + out[2], tmp[2] = x2, x2 + out[3], tmp[3] = x3, x3 + out[4], tmp[4] = x4, x4 + out[5], tmp[5] = x5, x5 + out[6], tmp[6] = x6, x6 + out[7], tmp[7] = x7, x7 + out[8], tmp[8] = x8, x8 + out[9], tmp[9] = x9, x9 + out[10], tmp[10] = x10, x10 + out[11], tmp[11] = x11, x11 + out[12], tmp[12] = x12, x12 + out[13], tmp[13] = x13, x13 + out[14], tmp[14] = x14, x14 + out[15], tmp[15] = x15, x15 +} + +func blockMix(tmp *[16]uint32, in, out []uint32, r int) { + blockCopy(tmp[:], in[(2*r-1)*16:], 16) + for i := 0; i < 2*r; i += 2 { + salsaXOR(tmp, in[i*16:], out[i*8:]) + salsaXOR(tmp, in[i*16+16:], out[i*8+r*16:]) + } +} + +func integer(b []uint32, r int) uint64 { + j := (2*r - 1) * 16 + return uint64(b[j]) | uint64(b[j+1])<<32 +} + +func smix(b []byte, r, N int, v, xy []uint32) { + var tmp [16]uint32 + R := 32 * r + x := xy + y := xy[R:] + + j := 0 + for i := 0; i < R; i++ { + x[i] = binary.LittleEndian.Uint32(b[j:]) + j += 4 + } + for i := 0; i < N; i += 2 { + blockCopy(v[i*R:], x, R) + blockMix(&tmp, x, y, r) + + blockCopy(v[(i+1)*R:], y, R) + blockMix(&tmp, y, x, r) + } + for i := 0; i < N; i += 2 { + j := int(integer(x, r) & uint64(N-1)) + blockXOR(x, v[j*R:], R) + blockMix(&tmp, x, y, r) + + j = int(integer(y, r) & uint64(N-1)) + blockXOR(y, v[j*R:], R) + blockMix(&tmp, y, x, r) + } + j = 0 + for _, v := range x[:R] { + binary.LittleEndian.PutUint32(b[j:], v) + j += 4 + } +} + +// Key derives a key from the password, salt, and cost parameters, returning +// a byte slice of length keyLen that can be used as cryptographic key. +// +// N is a CPU/memory cost parameter, which must be a power of two greater than 1. +// r and p must satisfy r * p < 2³⁰. If the parameters do not satisfy the +// limits, the function returns a nil byte slice and an error. +// +// For example, you can get a derived key for e.g. AES-256 (which needs a +// 32-byte key) by doing: +// +// dk, err := scrypt.Key([]byte("some password"), salt, 32768, 8, 1, 32) +// +// The recommended parameters for interactive logins as of 2017 are N=32768, r=8 +// and p=1. The parameters N, r, and p should be increased as memory latency and +// CPU parallelism increases; consider setting N to the highest power of 2 you +// can derive within 100 milliseconds. Remember to get a good random salt. +func Key(password, salt []byte, N, r, p, keyLen int) ([]byte, error) { + if N <= 1 || N&(N-1) != 0 { + return nil, errors.New("scrypt: N must be > 1 and a power of 2") + } + if uint64(r)*uint64(p) >= 1<<30 || r > maxInt/128/p || r > maxInt/256 || N > maxInt/128/r { + return nil, errors.New("scrypt: parameters are too large") + } + + xy := make([]uint32, 64*r) + v := make([]uint32, 32*N*r) + b := pbkdf2.Key(password, salt, 1, p*128*r, sha256.New) + + for i := 0; i < p; i++ { + smix(b[i*128*r:], r, N, v, xy) + } + + return pbkdf2.Key(password, b, 1, keyLen, sha256.New), nil +} diff --git a/vendor/golang.org/x/sys/plan9/asm.s b/vendor/golang.org/x/sys/plan9/asm.s new file mode 100644 index 0000000..06449eb --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/asm.s @@ -0,0 +1,8 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +TEXT ·use(SB),NOSPLIT,$0 + RET diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_386.s b/vendor/golang.org/x/sys/plan9/asm_plan9_386.s new file mode 100644 index 0000000..bc5cab1 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/asm_plan9_386.s @@ -0,0 +1,30 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// +// System call support for 386, Plan 9 +// + +// Just jump to package syscall's implementation for all these functions. +// The runtime may know about them. + +TEXT ·Syscall(SB),NOSPLIT,$0-32 + JMP syscall·Syscall(SB) + +TEXT ·Syscall6(SB),NOSPLIT,$0-44 + JMP syscall·Syscall6(SB) + +TEXT ·RawSyscall(SB),NOSPLIT,$0-28 + JMP syscall·RawSyscall(SB) + +TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 + JMP syscall·RawSyscall6(SB) + +TEXT ·seek(SB),NOSPLIT,$0-36 + JMP syscall·seek(SB) + +TEXT ·exit(SB),NOSPLIT,$4-4 + JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s b/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s new file mode 100644 index 0000000..d3448e6 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s @@ -0,0 +1,30 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// +// System call support for amd64, Plan 9 +// + +// Just jump to package syscall's implementation for all these functions. +// The runtime may know about them. + +TEXT ·Syscall(SB),NOSPLIT,$0-64 + JMP syscall·Syscall(SB) + +TEXT ·Syscall6(SB),NOSPLIT,$0-88 + JMP syscall·Syscall6(SB) + +TEXT ·RawSyscall(SB),NOSPLIT,$0-56 + JMP syscall·RawSyscall(SB) + +TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 + JMP syscall·RawSyscall6(SB) + +TEXT ·seek(SB),NOSPLIT,$0-56 + JMP syscall·seek(SB) + +TEXT ·exit(SB),NOSPLIT,$8-8 + JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s b/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s new file mode 100644 index 0000000..afb7c0a --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/asm_plan9_arm.s @@ -0,0 +1,25 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// System call support for plan9 on arm + +// Just jump to package syscall's implementation for all these functions. +// The runtime may know about them. + +TEXT ·Syscall(SB),NOSPLIT,$0-32 + JMP syscall·Syscall(SB) + +TEXT ·Syscall6(SB),NOSPLIT,$0-44 + JMP syscall·Syscall6(SB) + +TEXT ·RawSyscall(SB),NOSPLIT,$0-28 + JMP syscall·RawSyscall(SB) + +TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 + JMP syscall·RawSyscall6(SB) + +TEXT ·seek(SB),NOSPLIT,$0-36 + JMP syscall·exit(SB) diff --git a/vendor/golang.org/x/sys/plan9/const_plan9.go b/vendor/golang.org/x/sys/plan9/const_plan9.go new file mode 100644 index 0000000..b4e85a3 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/const_plan9.go @@ -0,0 +1,70 @@ +package plan9 + +// Plan 9 Constants + +// Open modes +const ( + O_RDONLY = 0 + O_WRONLY = 1 + O_RDWR = 2 + O_TRUNC = 16 + O_CLOEXEC = 32 + O_EXCL = 0x1000 +) + +// Rfork flags +const ( + RFNAMEG = 1 << 0 + RFENVG = 1 << 1 + RFFDG = 1 << 2 + RFNOTEG = 1 << 3 + RFPROC = 1 << 4 + RFMEM = 1 << 5 + RFNOWAIT = 1 << 6 + RFCNAMEG = 1 << 10 + RFCENVG = 1 << 11 + RFCFDG = 1 << 12 + RFREND = 1 << 13 + RFNOMNT = 1 << 14 +) + +// Qid.Type bits +const ( + QTDIR = 0x80 + QTAPPEND = 0x40 + QTEXCL = 0x20 + QTMOUNT = 0x10 + QTAUTH = 0x08 + QTTMP = 0x04 + QTFILE = 0x00 +) + +// Dir.Mode bits +const ( + DMDIR = 0x80000000 + DMAPPEND = 0x40000000 + DMEXCL = 0x20000000 + DMMOUNT = 0x10000000 + DMAUTH = 0x08000000 + DMTMP = 0x04000000 + DMREAD = 0x4 + DMWRITE = 0x2 + DMEXEC = 0x1 +) + +const ( + STATMAX = 65535 + ERRMAX = 128 + STATFIXLEN = 49 +) + +// Mount and bind flags +const ( + MREPL = 0x0000 + MBEFORE = 0x0001 + MAFTER = 0x0002 + MORDER = 0x0003 + MCREATE = 0x0004 + MCACHE = 0x0010 + MMASK = 0x0017 +) diff --git a/vendor/golang.org/x/sys/plan9/dir_plan9.go b/vendor/golang.org/x/sys/plan9/dir_plan9.go new file mode 100644 index 0000000..0955e0c --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/dir_plan9.go @@ -0,0 +1,212 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Plan 9 directory marshalling. See intro(5). + +package plan9 + +import "errors" + +var ( + ErrShortStat = errors.New("stat buffer too short") + ErrBadStat = errors.New("malformed stat buffer") + ErrBadName = errors.New("bad character in file name") +) + +// A Qid represents a 9P server's unique identification for a file. +type Qid struct { + Path uint64 // the file server's unique identification for the file + Vers uint32 // version number for given Path + Type uint8 // the type of the file (plan9.QTDIR for example) +} + +// A Dir contains the metadata for a file. +type Dir struct { + // system-modified data + Type uint16 // server type + Dev uint32 // server subtype + + // file data + Qid Qid // unique id from server + Mode uint32 // permissions + Atime uint32 // last read time + Mtime uint32 // last write time + Length int64 // file length + Name string // last element of path + Uid string // owner name + Gid string // group name + Muid string // last modifier name +} + +var nullDir = Dir{ + Type: ^uint16(0), + Dev: ^uint32(0), + Qid: Qid{ + Path: ^uint64(0), + Vers: ^uint32(0), + Type: ^uint8(0), + }, + Mode: ^uint32(0), + Atime: ^uint32(0), + Mtime: ^uint32(0), + Length: ^int64(0), +} + +// Null assigns special "don't touch" values to members of d to +// avoid modifying them during plan9.Wstat. +func (d *Dir) Null() { *d = nullDir } + +// Marshal encodes a 9P stat message corresponding to d into b +// +// If there isn't enough space in b for a stat message, ErrShortStat is returned. +func (d *Dir) Marshal(b []byte) (n int, err error) { + n = STATFIXLEN + len(d.Name) + len(d.Uid) + len(d.Gid) + len(d.Muid) + if n > len(b) { + return n, ErrShortStat + } + + for _, c := range d.Name { + if c == '/' { + return n, ErrBadName + } + } + + b = pbit16(b, uint16(n)-2) + b = pbit16(b, d.Type) + b = pbit32(b, d.Dev) + b = pbit8(b, d.Qid.Type) + b = pbit32(b, d.Qid.Vers) + b = pbit64(b, d.Qid.Path) + b = pbit32(b, d.Mode) + b = pbit32(b, d.Atime) + b = pbit32(b, d.Mtime) + b = pbit64(b, uint64(d.Length)) + b = pstring(b, d.Name) + b = pstring(b, d.Uid) + b = pstring(b, d.Gid) + b = pstring(b, d.Muid) + + return n, nil +} + +// UnmarshalDir decodes a single 9P stat message from b and returns the resulting Dir. +// +// If b is too small to hold a valid stat message, ErrShortStat is returned. +// +// If the stat message itself is invalid, ErrBadStat is returned. +func UnmarshalDir(b []byte) (*Dir, error) { + if len(b) < STATFIXLEN { + return nil, ErrShortStat + } + size, buf := gbit16(b) + if len(b) != int(size)+2 { + return nil, ErrBadStat + } + b = buf + + var d Dir + d.Type, b = gbit16(b) + d.Dev, b = gbit32(b) + d.Qid.Type, b = gbit8(b) + d.Qid.Vers, b = gbit32(b) + d.Qid.Path, b = gbit64(b) + d.Mode, b = gbit32(b) + d.Atime, b = gbit32(b) + d.Mtime, b = gbit32(b) + + n, b := gbit64(b) + d.Length = int64(n) + + var ok bool + if d.Name, b, ok = gstring(b); !ok { + return nil, ErrBadStat + } + if d.Uid, b, ok = gstring(b); !ok { + return nil, ErrBadStat + } + if d.Gid, b, ok = gstring(b); !ok { + return nil, ErrBadStat + } + if d.Muid, b, ok = gstring(b); !ok { + return nil, ErrBadStat + } + + return &d, nil +} + +// pbit8 copies the 8-bit number v to b and returns the remaining slice of b. +func pbit8(b []byte, v uint8) []byte { + b[0] = byte(v) + return b[1:] +} + +// pbit16 copies the 16-bit number v to b in little-endian order and returns the remaining slice of b. +func pbit16(b []byte, v uint16) []byte { + b[0] = byte(v) + b[1] = byte(v >> 8) + return b[2:] +} + +// pbit32 copies the 32-bit number v to b in little-endian order and returns the remaining slice of b. +func pbit32(b []byte, v uint32) []byte { + b[0] = byte(v) + b[1] = byte(v >> 8) + b[2] = byte(v >> 16) + b[3] = byte(v >> 24) + return b[4:] +} + +// pbit64 copies the 64-bit number v to b in little-endian order and returns the remaining slice of b. +func pbit64(b []byte, v uint64) []byte { + b[0] = byte(v) + b[1] = byte(v >> 8) + b[2] = byte(v >> 16) + b[3] = byte(v >> 24) + b[4] = byte(v >> 32) + b[5] = byte(v >> 40) + b[6] = byte(v >> 48) + b[7] = byte(v >> 56) + return b[8:] +} + +// pstring copies the string s to b, prepending it with a 16-bit length in little-endian order, and +// returning the remaining slice of b.. +func pstring(b []byte, s string) []byte { + b = pbit16(b, uint16(len(s))) + n := copy(b, s) + return b[n:] +} + +// gbit8 reads an 8-bit number from b and returns it with the remaining slice of b. +func gbit8(b []byte) (uint8, []byte) { + return uint8(b[0]), b[1:] +} + +// gbit16 reads a 16-bit number in little-endian order from b and returns it with the remaining slice of b. +func gbit16(b []byte) (uint16, []byte) { + return uint16(b[0]) | uint16(b[1])<<8, b[2:] +} + +// gbit32 reads a 32-bit number in little-endian order from b and returns it with the remaining slice of b. +func gbit32(b []byte) (uint32, []byte) { + return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24, b[4:] +} + +// gbit64 reads a 64-bit number in little-endian order from b and returns it with the remaining slice of b. +func gbit64(b []byte) (uint64, []byte) { + lo := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 + hi := uint32(b[4]) | uint32(b[5])<<8 | uint32(b[6])<<16 | uint32(b[7])<<24 + return uint64(lo) | uint64(hi)<<32, b[8:] +} + +// gstring reads a string from b, prefixed with a 16-bit length in little-endian order. +// It returns the string with the remaining slice of b and a boolean. If the length is +// greater than the number of bytes in b, the boolean will be false. +func gstring(b []byte) (string, []byte, bool) { + n, b := gbit16(b) + if int(n) > len(b) { + return "", b, false + } + return string(b[:n]), b[n:], true +} diff --git a/vendor/golang.org/x/sys/plan9/env_plan9.go b/vendor/golang.org/x/sys/plan9/env_plan9.go new file mode 100644 index 0000000..8f19180 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/env_plan9.go @@ -0,0 +1,31 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Plan 9 environment variables. + +package plan9 + +import ( + "syscall" +) + +func Getenv(key string) (value string, found bool) { + return syscall.Getenv(key) +} + +func Setenv(key, value string) error { + return syscall.Setenv(key, value) +} + +func Clearenv() { + syscall.Clearenv() +} + +func Environ() []string { + return syscall.Environ() +} + +func Unsetenv(key string) error { + return syscall.Unsetenv(key) +} diff --git a/vendor/golang.org/x/sys/plan9/errors_plan9.go b/vendor/golang.org/x/sys/plan9/errors_plan9.go new file mode 100644 index 0000000..65fe74d --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/errors_plan9.go @@ -0,0 +1,50 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package plan9 + +import "syscall" + +// Constants +const ( + // Invented values to support what package os expects. + O_CREAT = 0x02000 + O_APPEND = 0x00400 + O_NOCTTY = 0x00000 + O_NONBLOCK = 0x00000 + O_SYNC = 0x00000 + O_ASYNC = 0x00000 + + S_IFMT = 0x1f000 + S_IFIFO = 0x1000 + S_IFCHR = 0x2000 + S_IFDIR = 0x4000 + S_IFBLK = 0x6000 + S_IFREG = 0x8000 + S_IFLNK = 0xa000 + S_IFSOCK = 0xc000 +) + +// Errors +var ( + EINVAL = syscall.NewError("bad arg in system call") + ENOTDIR = syscall.NewError("not a directory") + EISDIR = syscall.NewError("file is a directory") + ENOENT = syscall.NewError("file does not exist") + EEXIST = syscall.NewError("file already exists") + EMFILE = syscall.NewError("no free file descriptors") + EIO = syscall.NewError("i/o error") + ENAMETOOLONG = syscall.NewError("file name too long") + EINTR = syscall.NewError("interrupted") + EPERM = syscall.NewError("permission denied") + EBUSY = syscall.NewError("no free devices") + ETIMEDOUT = syscall.NewError("connection timed out") + EPLAN9 = syscall.NewError("not supported by plan 9") + + // The following errors do not correspond to any + // Plan 9 system messages. Invented to support + // what package os and others expect. + EACCES = syscall.NewError("access permission denied") + EAFNOSUPPORT = syscall.NewError("address family not supported by protocol") +) diff --git a/vendor/golang.org/x/sys/plan9/mkall.sh b/vendor/golang.org/x/sys/plan9/mkall.sh new file mode 100644 index 0000000..1650fbc --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/mkall.sh @@ -0,0 +1,150 @@ +#!/usr/bin/env bash +# Copyright 2009 The Go Authors. All rights reserved. +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +# The plan9 package provides access to the raw system call +# interface of the underlying operating system. Porting Go to +# a new architecture/operating system combination requires +# some manual effort, though there are tools that automate +# much of the process. The auto-generated files have names +# beginning with z. +# +# This script runs or (given -n) prints suggested commands to generate z files +# for the current system. Running those commands is not automatic. +# This script is documentation more than anything else. +# +# * asm_${GOOS}_${GOARCH}.s +# +# This hand-written assembly file implements system call dispatch. +# There are three entry points: +# +# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); +# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); +# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr); +# +# The first and second are the standard ones; they differ only in +# how many arguments can be passed to the kernel. +# The third is for low-level use by the ForkExec wrapper; +# unlike the first two, it does not call into the scheduler to +# let it know that a system call is running. +# +# * syscall_${GOOS}.go +# +# This hand-written Go file implements system calls that need +# special handling and lists "//sys" comments giving prototypes +# for ones that can be auto-generated. Mksyscall reads those +# comments to generate the stubs. +# +# * syscall_${GOOS}_${GOARCH}.go +# +# Same as syscall_${GOOS}.go except that it contains code specific +# to ${GOOS} on one particular architecture. +# +# * types_${GOOS}.c +# +# This hand-written C file includes standard C headers and then +# creates typedef or enum names beginning with a dollar sign +# (use of $ in variable names is a gcc extension). The hardest +# part about preparing this file is figuring out which headers to +# include and which symbols need to be #defined to get the +# actual data structures that pass through to the kernel system calls. +# Some C libraries present alternate versions for binary compatibility +# and translate them on the way in and out of system calls, but +# there is almost always a #define that can get the real ones. +# See types_darwin.c and types_linux.c for examples. +# +# * zerror_${GOOS}_${GOARCH}.go +# +# This machine-generated file defines the system's error numbers, +# error strings, and signal numbers. The generator is "mkerrors.sh". +# Usually no arguments are needed, but mkerrors.sh will pass its +# arguments on to godefs. +# +# * zsyscall_${GOOS}_${GOARCH}.go +# +# Generated by mksyscall.pl; see syscall_${GOOS}.go above. +# +# * zsysnum_${GOOS}_${GOARCH}.go +# +# Generated by mksysnum_${GOOS}. +# +# * ztypes_${GOOS}_${GOARCH}.go +# +# Generated by godefs; see types_${GOOS}.c above. + +GOOSARCH="${GOOS}_${GOARCH}" + +# defaults +mksyscall="go run mksyscall.go" +mkerrors="./mkerrors.sh" +zerrors="zerrors_$GOOSARCH.go" +mksysctl="" +zsysctl="zsysctl_$GOOSARCH.go" +mksysnum= +mktypes= +run="sh" + +case "$1" in +-syscalls) + for i in zsyscall*go + do + sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i + rm _$i + done + exit 0 + ;; +-n) + run="cat" + shift +esac + +case "$#" in +0) + ;; +*) + echo 'usage: mkall.sh [-n]' 1>&2 + exit 2 +esac + +case "$GOOSARCH" in +_* | *_ | _) + echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2 + exit 1 + ;; +plan9_386) + mkerrors= + mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,386" + mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" + mktypes="XXX" + ;; +plan9_amd64) + mkerrors= + mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,amd64" + mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" + mktypes="XXX" + ;; +plan9_arm) + mkerrors= + mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,arm" + mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h" + mktypes="XXX" + ;; +*) + echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2 + exit 1 + ;; +esac + +( + if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi + case "$GOOS" in + plan9) + syscall_goos="syscall_$GOOS.go" + if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos |gofmt >zsyscall_$GOOSARCH.go"; fi + ;; + esac + if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi + if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi + if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go |gofmt >ztypes_$GOOSARCH.go"; fi +) | $run diff --git a/vendor/golang.org/x/sys/plan9/mkerrors.sh b/vendor/golang.org/x/sys/plan9/mkerrors.sh new file mode 100644 index 0000000..526d04a --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/mkerrors.sh @@ -0,0 +1,246 @@ +#!/usr/bin/env bash +# Copyright 2009 The Go Authors. All rights reserved. +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +# Generate Go code listing errors and other #defined constant +# values (ENAMETOOLONG etc.), by asking the preprocessor +# about the definitions. + +unset LANG +export LC_ALL=C +export LC_CTYPE=C + +CC=${CC:-gcc} + +uname=$(uname) + +includes=' +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +' + +ccflags="$@" + +# Write go tool cgo -godefs input. +( + echo package plan9 + echo + echo '/*' + indirect="includes_$(uname)" + echo "${!indirect} $includes" + echo '*/' + echo 'import "C"' + echo + echo 'const (' + + # The gcc command line prints all the #defines + # it encounters while processing the input + echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags | + awk ' + $1 != "#define" || $2 ~ /\(/ || $3 == "" {next} + + $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers + $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next} + $2 ~ /^(SCM_SRCRT)$/ {next} + $2 ~ /^(MAP_FAILED)$/ {next} + + $2 !~ /^ETH_/ && + $2 !~ /^EPROC_/ && + $2 !~ /^EQUIV_/ && + $2 !~ /^EXPR_/ && + $2 ~ /^E[A-Z0-9_]+$/ || + $2 ~ /^B[0-9_]+$/ || + $2 ~ /^V[A-Z0-9]+$/ || + $2 ~ /^CS[A-Z0-9]/ || + $2 ~ /^I(SIG|CANON|CRNL|EXTEN|MAXBEL|STRIP|UTF8)$/ || + $2 ~ /^IGN/ || + $2 ~ /^IX(ON|ANY|OFF)$/ || + $2 ~ /^IN(LCR|PCK)$/ || + $2 ~ /(^FLU?SH)|(FLU?SH$)/ || + $2 ~ /^C(LOCAL|READ)$/ || + $2 == "BRKINT" || + $2 == "HUPCL" || + $2 == "PENDIN" || + $2 == "TOSTOP" || + $2 ~ /^PAR/ || + $2 ~ /^SIG[^_]/ || + $2 ~ /^O[CNPFP][A-Z]+[^_][A-Z]+$/ || + $2 ~ /^IN_/ || + $2 ~ /^LOCK_(SH|EX|NB|UN)$/ || + $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ || + $2 == "ICMPV6_FILTER" || + $2 == "SOMAXCONN" || + $2 == "NAME_MAX" || + $2 == "IFNAMSIZ" || + $2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ || + $2 ~ /^SYSCTL_VERS/ || + $2 ~ /^(MS|MNT)_/ || + $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ || + $2 ~ /^(O|F|FD|NAME|S|PTRACE|PT)_/ || + $2 ~ /^LINUX_REBOOT_CMD_/ || + $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ || + $2 !~ "NLA_TYPE_MASK" && + $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P)_/ || + $2 ~ /^SIOC/ || + $2 ~ /^TIOC/ || + $2 !~ "RTF_BITS" && + $2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ || + $2 ~ /^BIOC/ || + $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ || + $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|NOFILE|STACK)|RLIM_INFINITY/ || + $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ || + $2 ~ /^CLONE_[A-Z_]+/ || + $2 !~ /^(BPF_TIMEVAL)$/ && + $2 ~ /^(BPF|DLT)_/ || + $2 !~ "WMESGLEN" && + $2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)} + $2 ~ /^__WCOREFLAG$/ {next} + $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)} + + {next} + ' | sort + + echo ')' +) >_const.go + +# Pull out the error names for later. +errors=$( + echo '#include ' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' | + sort +) + +# Pull out the signal names for later. +signals=$( + echo '#include ' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' | + grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' | + sort +) + +# Again, writing regexps to a file. +echo '#include ' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' | + sort >_error.grep +echo '#include ' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' | + grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' | + sort >_signal.grep + +echo '// mkerrors.sh' "$@" +echo '// Code generated by the command above; DO NOT EDIT.' +echo +go tool cgo -godefs -- "$@" _const.go >_error.out +cat _error.out | grep -vf _error.grep | grep -vf _signal.grep +echo +echo '// Errors' +echo 'const (' +cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= Errno(\1)/' +echo ')' + +echo +echo '// Signals' +echo 'const (' +cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= Signal(\1)/' +echo ')' + +# Run C program to print error and syscall strings. +( + echo -E " +#include +#include +#include +#include +#include +#include + +#define nelem(x) (sizeof(x)/sizeof((x)[0])) + +enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below + +int errors[] = { +" + for i in $errors + do + echo -E ' '$i, + done + + echo -E " +}; + +int signals[] = { +" + for i in $signals + do + echo -E ' '$i, + done + + # Use -E because on some systems bash builtin interprets \n itself. + echo -E ' +}; + +static int +intcmp(const void *a, const void *b) +{ + return *(int*)a - *(int*)b; +} + +int +main(void) +{ + int i, j, e; + char buf[1024], *p; + + printf("\n\n// Error table\n"); + printf("var errors = [...]string {\n"); + qsort(errors, nelem(errors), sizeof errors[0], intcmp); + for(i=0; i 0 && errors[i-1] == e) + continue; + strcpy(buf, strerror(e)); + // lowercase first letter: Bad -> bad, but STREAM -> STREAM. + if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) + buf[0] += a - A; + printf("\t%d: \"%s\",\n", e, buf); + } + printf("}\n\n"); + + printf("\n\n// Signal table\n"); + printf("var signals = [...]string {\n"); + qsort(signals, nelem(signals), sizeof signals[0], intcmp); + for(i=0; i 0 && signals[i-1] == e) + continue; + strcpy(buf, strsignal(e)); + // lowercase first letter: Bad -> bad, but STREAM -> STREAM. + if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) + buf[0] += a - A; + // cut trailing : number. + p = strrchr(buf, ":"[0]); + if(p) + *p = '\0'; + printf("\t%d: \"%s\",\n", e, buf); + } + printf("}\n\n"); + + return 0; +} + +' +) >_errors.c + +$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out diff --git a/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh b/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh new file mode 100644 index 0000000..3c3ab05 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh @@ -0,0 +1,23 @@ +#!/bin/sh +# Copyright 2009 The Go Authors. All rights reserved. +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +COMMAND="mksysnum_plan9.sh $@" + +cat <= 10 { + buf[i] = byte(val%10 + '0') + i-- + val /= 10 + } + buf[i] = byte(val + '0') + return string(buf[i:]) +} diff --git a/vendor/golang.org/x/sys/plan9/syscall.go b/vendor/golang.org/x/sys/plan9/syscall.go new file mode 100644 index 0000000..d631fd6 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/syscall.go @@ -0,0 +1,109 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build plan9 + +// Package plan9 contains an interface to the low-level operating system +// primitives. OS details vary depending on the underlying system, and +// by default, godoc will display the OS-specific documentation for the current +// system. If you want godoc to display documentation for another +// system, set $GOOS and $GOARCH to the desired system. For example, if +// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS +// to freebsd and $GOARCH to arm. +// +// The primary use of this package is inside other packages that provide a more +// portable interface to the system, such as "os", "time" and "net". Use +// those packages rather than this one if you can. +// +// For details of the functions and data types in this package consult +// the manuals for the appropriate operating system. +// +// These calls return err == nil to indicate success; otherwise +// err represents an operating system error describing the failure and +// holds a value of type syscall.ErrorString. +package plan9 // import "golang.org/x/sys/plan9" + +import ( + "bytes" + "strings" + "unsafe" +) + +// ByteSliceFromString returns a NUL-terminated slice of bytes +// containing the text of s. If s contains a NUL byte at any +// location, it returns (nil, EINVAL). +func ByteSliceFromString(s string) ([]byte, error) { + if strings.IndexByte(s, 0) != -1 { + return nil, EINVAL + } + a := make([]byte, len(s)+1) + copy(a, s) + return a, nil +} + +// BytePtrFromString returns a pointer to a NUL-terminated array of +// bytes containing the text of s. If s contains a NUL byte at any +// location, it returns (nil, EINVAL). +func BytePtrFromString(s string) (*byte, error) { + a, err := ByteSliceFromString(s) + if err != nil { + return nil, err + } + return &a[0], nil +} + +// ByteSliceToString returns a string form of the text represented by the slice s, with a terminating NUL and any +// bytes after the NUL removed. +func ByteSliceToString(s []byte) string { + if i := bytes.IndexByte(s, 0); i != -1 { + s = s[:i] + } + return string(s) +} + +// BytePtrToString takes a pointer to a sequence of text and returns the corresponding string. +// If the pointer is nil, it returns the empty string. It assumes that the text sequence is terminated +// at a zero byte; if the zero byte is not present, the program may crash. +func BytePtrToString(p *byte) string { + if p == nil { + return "" + } + if *p == 0 { + return "" + } + + // Find NUL terminator. + n := 0 + for ptr := unsafe.Pointer(p); *(*byte)(ptr) != 0; n++ { + ptr = unsafe.Pointer(uintptr(ptr) + 1) + } + + return string(unsafe.Slice(p, n)) +} + +// Single-word zero for use when we need a valid pointer to 0 bytes. +// See mksyscall.pl. +var _zero uintptr + +func (ts *Timespec) Unix() (sec int64, nsec int64) { + return int64(ts.Sec), int64(ts.Nsec) +} + +func (tv *Timeval) Unix() (sec int64, nsec int64) { + return int64(tv.Sec), int64(tv.Usec) * 1000 +} + +func (ts *Timespec) Nano() int64 { + return int64(ts.Sec)*1e9 + int64(ts.Nsec) +} + +func (tv *Timeval) Nano() int64 { + return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000 +} + +// use is a no-op, but the compiler cannot see that it is. +// Calling use(p) ensures that p is kept live until that point. +// +//go:noescape +func use(p unsafe.Pointer) diff --git a/vendor/golang.org/x/sys/plan9/syscall_plan9.go b/vendor/golang.org/x/sys/plan9/syscall_plan9.go new file mode 100644 index 0000000..d079d81 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/syscall_plan9.go @@ -0,0 +1,361 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Plan 9 system calls. +// This file is compiled as ordinary Go code, +// but it is also input to mksyscall, +// which parses the //sys lines and generates system call stubs. +// Note that sometimes we use a lowercase //sys name and +// wrap it in our own nicer implementation. + +package plan9 + +import ( + "bytes" + "syscall" + "unsafe" +) + +// A Note is a string describing a process note. +// It implements the os.Signal interface. +type Note string + +func (n Note) Signal() {} + +func (n Note) String() string { + return string(n) +} + +var ( + Stdin = 0 + Stdout = 1 + Stderr = 2 +) + +// For testing: clients can set this flag to force +// creation of IPv6 sockets to return EAFNOSUPPORT. +var SocketDisableIPv6 bool + +func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.ErrorString) +func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.ErrorString) +func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) +func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) + +func atoi(b []byte) (n uint) { + n = 0 + for i := 0; i < len(b); i++ { + n = n*10 + uint(b[i]-'0') + } + return +} + +func cstring(s []byte) string { + i := bytes.IndexByte(s, 0) + if i == -1 { + i = len(s) + } + return string(s[:i]) +} + +func errstr() string { + var buf [ERRMAX]byte + + RawSyscall(SYS_ERRSTR, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0) + + buf[len(buf)-1] = 0 + return cstring(buf[:]) +} + +// Implemented in assembly to import from runtime. +func exit(code int) + +func Exit(code int) { exit(code) } + +func readnum(path string) (uint, error) { + var b [12]byte + + fd, e := Open(path, O_RDONLY) + if e != nil { + return 0, e + } + defer Close(fd) + + n, e := Pread(fd, b[:], 0) + + if e != nil { + return 0, e + } + + m := 0 + for ; m < n && b[m] == ' '; m++ { + } + + return atoi(b[m : n-1]), nil +} + +func Getpid() (pid int) { + n, _ := readnum("#c/pid") + return int(n) +} + +func Getppid() (ppid int) { + n, _ := readnum("#c/ppid") + return int(n) +} + +func Read(fd int, p []byte) (n int, err error) { + return Pread(fd, p, -1) +} + +func Write(fd int, p []byte) (n int, err error) { + return Pwrite(fd, p, -1) +} + +var ioSync int64 + +//sys fd2path(fd int, buf []byte) (err error) + +func Fd2path(fd int) (path string, err error) { + var buf [512]byte + + e := fd2path(fd, buf[:]) + if e != nil { + return "", e + } + return cstring(buf[:]), nil +} + +//sys pipe(p *[2]int32) (err error) + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return syscall.ErrorString("bad arg in system call") + } + var pp [2]int32 + err = pipe(&pp) + if err == nil { + p[0] = int(pp[0]) + p[1] = int(pp[1]) + } + return +} + +// Underlying system call writes to newoffset via pointer. +// Implemented in assembly to avoid allocation. +func seek(placeholder uintptr, fd int, offset int64, whence int) (newoffset int64, err string) + +func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + newoffset, e := seek(0, fd, offset, whence) + + if newoffset == -1 { + err = syscall.ErrorString(e) + } + return +} + +func Mkdir(path string, mode uint32) (err error) { + fd, err := Create(path, O_RDONLY, DMDIR|mode) + + if fd != -1 { + Close(fd) + } + + return +} + +type Waitmsg struct { + Pid int + Time [3]uint32 + Msg string +} + +func (w Waitmsg) Exited() bool { return true } +func (w Waitmsg) Signaled() bool { return false } + +func (w Waitmsg) ExitStatus() int { + if len(w.Msg) == 0 { + // a normal exit returns no message + return 0 + } + return 1 +} + +//sys await(s []byte) (n int, err error) + +func Await(w *Waitmsg) (err error) { + var buf [512]byte + var f [5][]byte + + n, err := await(buf[:]) + + if err != nil || w == nil { + return + } + + nf := 0 + p := 0 + for i := 0; i < n && nf < len(f)-1; i++ { + if buf[i] == ' ' { + f[nf] = buf[p:i] + p = i + 1 + nf++ + } + } + f[nf] = buf[p:] + nf++ + + if nf != len(f) { + return syscall.ErrorString("invalid wait message") + } + w.Pid = int(atoi(f[0])) + w.Time[0] = uint32(atoi(f[1])) + w.Time[1] = uint32(atoi(f[2])) + w.Time[2] = uint32(atoi(f[3])) + w.Msg = cstring(f[4]) + if w.Msg == "''" { + // await() returns '' for no error + w.Msg = "" + } + return +} + +func Unmount(name, old string) (err error) { + fixwd() + oldp, err := BytePtrFromString(old) + if err != nil { + return err + } + oldptr := uintptr(unsafe.Pointer(oldp)) + + var r0 uintptr + var e syscall.ErrorString + + // bind(2) man page: If name is zero, everything bound or mounted upon old is unbound or unmounted. + if name == "" { + r0, _, e = Syscall(SYS_UNMOUNT, _zero, oldptr, 0) + } else { + namep, err := BytePtrFromString(name) + if err != nil { + return err + } + r0, _, e = Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(namep)), oldptr, 0) + } + + if int32(r0) == -1 { + err = e + } + return +} + +func Fchdir(fd int) (err error) { + path, err := Fd2path(fd) + + if err != nil { + return + } + + return Chdir(path) +} + +type Timespec struct { + Sec int32 + Nsec int32 +} + +type Timeval struct { + Sec int32 + Usec int32 +} + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = int32(nsec % 1e9 / 1e3) + tv.Sec = int32(nsec / 1e9) + return +} + +func nsec() int64 { + var scratch int64 + + r0, _, _ := Syscall(SYS_NSEC, uintptr(unsafe.Pointer(&scratch)), 0, 0) + // TODO(aram): remove hack after I fix _nsec in the pc64 kernel. + if r0 == 0 { + return scratch + } + return int64(r0) +} + +func Gettimeofday(tv *Timeval) error { + nsec := nsec() + *tv = NsecToTimeval(nsec) + return nil +} + +func Getpagesize() int { return 0x1000 } + +func Getegid() (egid int) { return -1 } +func Geteuid() (euid int) { return -1 } +func Getgid() (gid int) { return -1 } +func Getuid() (uid int) { return -1 } + +func Getgroups() (gids []int, err error) { + return make([]int, 0), nil +} + +//sys open(path string, mode int) (fd int, err error) + +func Open(path string, mode int) (fd int, err error) { + fixwd() + return open(path, mode) +} + +//sys create(path string, mode int, perm uint32) (fd int, err error) + +func Create(path string, mode int, perm uint32) (fd int, err error) { + fixwd() + return create(path, mode, perm) +} + +//sys remove(path string) (err error) + +func Remove(path string) error { + fixwd() + return remove(path) +} + +//sys stat(path string, edir []byte) (n int, err error) + +func Stat(path string, edir []byte) (n int, err error) { + fixwd() + return stat(path, edir) +} + +//sys bind(name string, old string, flag int) (err error) + +func Bind(name string, old string, flag int) (err error) { + fixwd() + return bind(name, old, flag) +} + +//sys mount(fd int, afd int, old string, flag int, aname string) (err error) + +func Mount(fd int, afd int, old string, flag int, aname string) (err error) { + fixwd() + return mount(fd, afd, old, flag, aname) +} + +//sys wstat(path string, edir []byte) (err error) + +func Wstat(path string, edir []byte) (err error) { + fixwd() + return wstat(path, edir) +} + +//sys chdir(path string) (err error) +//sys Dup(oldfd int, newfd int) (fd int, err error) +//sys Pread(fd int, p []byte, offset int64) (n int, err error) +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) +//sys Close(fd int) (err error) +//sys Fstat(fd int, edir []byte) (n int, err error) +//sys Fwstat(fd int, edir []byte) (err error) diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go new file mode 100644 index 0000000..f780d5c --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go @@ -0,0 +1,284 @@ +// go run mksyscall.go -l32 -plan9 -tags plan9,386 syscall_plan9.go +// Code generated by the command above; see README.md. DO NOT EDIT. + +//go:build plan9 && 386 + +package plan9 + +import "unsafe" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fd2path(fd int, buf []byte) (err error) { + var _p0 unsafe.Pointer + if len(buf) > 0 { + _p0 = unsafe.Pointer(&buf[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func pipe(p *[2]int32) (err error) { + r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func await(s []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(s) > 0 { + _p0 = unsafe.Pointer(&s[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func open(path string, mode int) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func create(path string, mode int, perm uint32) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func remove(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func stat(path string, edir []byte) (n int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func bind(name string, old string, flag int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(name) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(old) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func mount(fd int, afd int, old string, flag int, aname string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(old) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(aname) + if err != nil { + return + } + r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func wstat(path string, edir []byte) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func chdir(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Dup(oldfd int, newfd int) (fd int, err error) { + r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pread(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pwrite(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Close(fd int) (err error) { + r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fstat(fd int, edir []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fwstat(fd int, edir []byte) (err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go new file mode 100644 index 0000000..7de6106 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go @@ -0,0 +1,284 @@ +// go run mksyscall.go -l32 -plan9 -tags plan9,amd64 syscall_plan9.go +// Code generated by the command above; see README.md. DO NOT EDIT. + +//go:build plan9 && amd64 + +package plan9 + +import "unsafe" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fd2path(fd int, buf []byte) (err error) { + var _p0 unsafe.Pointer + if len(buf) > 0 { + _p0 = unsafe.Pointer(&buf[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func pipe(p *[2]int32) (err error) { + r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func await(s []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(s) > 0 { + _p0 = unsafe.Pointer(&s[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func open(path string, mode int) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func create(path string, mode int, perm uint32) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func remove(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func stat(path string, edir []byte) (n int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func bind(name string, old string, flag int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(name) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(old) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func mount(fd int, afd int, old string, flag int, aname string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(old) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(aname) + if err != nil { + return + } + r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func wstat(path string, edir []byte) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func chdir(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Dup(oldfd int, newfd int) (fd int, err error) { + r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pread(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pwrite(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Close(fd int) (err error) { + r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fstat(fd int, edir []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fwstat(fd int, edir []byte) (err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} diff --git a/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go new file mode 100644 index 0000000..ea85780 --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go @@ -0,0 +1,284 @@ +// go run mksyscall.go -l32 -plan9 -tags plan9,arm syscall_plan9.go +// Code generated by the command above; see README.md. DO NOT EDIT. + +//go:build plan9 && arm + +package plan9 + +import "unsafe" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fd2path(fd int, buf []byte) (err error) { + var _p0 unsafe.Pointer + if len(buf) > 0 { + _p0 = unsafe.Pointer(&buf[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func pipe(p *[2]int32) (err error) { + r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func await(s []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(s) > 0 { + _p0 = unsafe.Pointer(&s[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func open(path string, mode int) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func create(path string, mode int, perm uint32) (fd int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func remove(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func stat(path string, edir []byte) (n int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func bind(name string, old string, flag int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(name) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(old) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag)) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func mount(fd int, afd int, old string, flag int, aname string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(old) + if err != nil { + return + } + var _p1 *byte + _p1, err = BytePtrFromString(aname) + if err != nil { + return + } + r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func wstat(path string, edir []byte) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + var _p1 unsafe.Pointer + if len(edir) > 0 { + _p1 = unsafe.Pointer(&edir[0]) + } else { + _p1 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func chdir(path string) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Dup(oldfd int, newfd int) (fd int, err error) { + r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0) + fd = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pread(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Pwrite(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Close(fd int) (err error) { + r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fstat(fd int, edir []byte) (n int, err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + n = int(r0) + if int32(r0) == -1 { + err = e1 + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Fwstat(fd int, edir []byte) (err error) { + var _p0 unsafe.Pointer + if len(edir) > 0 { + _p0 = unsafe.Pointer(&edir[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir))) + if int32(r0) == -1 { + err = e1 + } + return +} diff --git a/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go b/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go new file mode 100644 index 0000000..22e8abd --- /dev/null +++ b/vendor/golang.org/x/sys/plan9/zsysnum_plan9.go @@ -0,0 +1,49 @@ +// mksysnum_plan9.sh /opt/plan9/sys/src/libc/9syscall/sys.h +// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT + +package plan9 + +const ( + SYS_SYSR1 = 0 + SYS_BIND = 2 + SYS_CHDIR = 3 + SYS_CLOSE = 4 + SYS_DUP = 5 + SYS_ALARM = 6 + SYS_EXEC = 7 + SYS_EXITS = 8 + SYS_FAUTH = 10 + SYS_SEGBRK = 12 + SYS_OPEN = 14 + SYS_OSEEK = 16 + SYS_SLEEP = 17 + SYS_RFORK = 19 + SYS_PIPE = 21 + SYS_CREATE = 22 + SYS_FD2PATH = 23 + SYS_BRK_ = 24 + SYS_REMOVE = 25 + SYS_NOTIFY = 28 + SYS_NOTED = 29 + SYS_SEGATTACH = 30 + SYS_SEGDETACH = 31 + SYS_SEGFREE = 32 + SYS_SEGFLUSH = 33 + SYS_RENDEZVOUS = 34 + SYS_UNMOUNT = 35 + SYS_SEMACQUIRE = 37 + SYS_SEMRELEASE = 38 + SYS_SEEK = 39 + SYS_FVERSION = 40 + SYS_ERRSTR = 41 + SYS_STAT = 42 + SYS_FSTAT = 43 + SYS_WSTAT = 44 + SYS_FWSTAT = 45 + SYS_MOUNT = 46 + SYS_AWAIT = 47 + SYS_PREAD = 50 + SYS_PWRITE = 51 + SYS_TSEMACQUIRE = 52 + SYS_NSEC = 53 +) diff --git a/vendor/golang.org/x/term/CONTRIBUTING.md b/vendor/golang.org/x/term/CONTRIBUTING.md new file mode 100644 index 0000000..d0485e8 --- /dev/null +++ b/vendor/golang.org/x/term/CONTRIBUTING.md @@ -0,0 +1,26 @@ +# Contributing to Go + +Go is an open source project. + +It is the work of hundreds of contributors. We appreciate your help! + +## Filing issues + +When [filing an issue](https://golang.org/issue/new), make sure to answer these five questions: + +1. What version of Go are you using (`go version`)? +2. What operating system and processor architecture are you using? +3. What did you do? +4. What did you expect to see? +5. What did you see instead? + +General questions should go to the [golang-nuts mailing list](https://groups.google.com/group/golang-nuts) instead of the issue tracker. +The gophers there will answer or ask you to file an issue if you've tripped over a bug. + +## Contributing code + +Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html) +before sending patches. + +Unless otherwise noted, the Go source files are distributed under +the BSD-style license found in the LICENSE file. diff --git a/vendor/golang.org/x/term/LICENSE b/vendor/golang.org/x/term/LICENSE new file mode 100644 index 0000000..2a7cf70 --- /dev/null +++ b/vendor/golang.org/x/term/LICENSE @@ -0,0 +1,27 @@ +Copyright 2009 The Go Authors. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google LLC nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/golang.org/x/term/PATENTS b/vendor/golang.org/x/term/PATENTS new file mode 100644 index 0000000..7330990 --- /dev/null +++ b/vendor/golang.org/x/term/PATENTS @@ -0,0 +1,22 @@ +Additional IP Rights Grant (Patents) + +"This implementation" means the copyrightable works distributed by +Google as part of the Go project. + +Google hereby grants to You a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable (except as stated in this section) +patent license to make, have made, use, offer to sell, sell, import, +transfer and otherwise run, modify and propagate the contents of this +implementation of Go, where such license applies only to those patent +claims, both currently owned or controlled by Google and acquired in +the future, licensable by Google that are necessarily infringed by this +implementation of Go. This grant does not include claims that would be +infringed only as a consequence of further modification of this +implementation. If you or your agent or exclusive licensee institute or +order or agree to the institution of patent litigation against any +entity (including a cross-claim or counterclaim in a lawsuit) alleging +that this implementation of Go or any code incorporated within this +implementation of Go constitutes direct or contributory patent +infringement, or inducement of patent infringement, then any patent +rights granted to you under this License for this implementation of Go +shall terminate as of the date such litigation is filed. diff --git a/vendor/golang.org/x/term/README.md b/vendor/golang.org/x/term/README.md new file mode 100644 index 0000000..05ff623 --- /dev/null +++ b/vendor/golang.org/x/term/README.md @@ -0,0 +1,16 @@ +# Go terminal/console support + +[![Go Reference](https://pkg.go.dev/badge/golang.org/x/term.svg)](https://pkg.go.dev/golang.org/x/term) + +This repository provides Go terminal and console support packages. + +## Report Issues / Send Patches + +This repository uses Gerrit for code changes. To learn how to submit changes to +this repository, see https://go.dev/doc/contribute. + +The git repository is https://go.googlesource.com/term. + +The main issue tracker for the term repository is located at +https://go.dev/issues. Prefix your issue with "x/term:" in the +subject line, so it is easy to find. diff --git a/vendor/golang.org/x/term/codereview.cfg b/vendor/golang.org/x/term/codereview.cfg new file mode 100644 index 0000000..3f8b14b --- /dev/null +++ b/vendor/golang.org/x/term/codereview.cfg @@ -0,0 +1 @@ +issuerepo: golang/go diff --git a/vendor/golang.org/x/term/term.go b/vendor/golang.org/x/term/term.go new file mode 100644 index 0000000..1a40d10 --- /dev/null +++ b/vendor/golang.org/x/term/term.go @@ -0,0 +1,60 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package term provides support functions for dealing with terminals, as +// commonly found on UNIX systems. +// +// Putting a terminal into raw mode is the most common requirement: +// +// oldState, err := term.MakeRaw(int(os.Stdin.Fd())) +// if err != nil { +// panic(err) +// } +// defer term.Restore(int(os.Stdin.Fd()), oldState) +// +// Note that on non-Unix systems os.Stdin.Fd() may not be 0. +package term + +// State contains the state of a terminal. +type State struct { + state +} + +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + return isTerminal(fd) +} + +// MakeRaw puts the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +func MakeRaw(fd int) (*State, error) { + return makeRaw(fd) +} + +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +func GetState(fd int) (*State, error) { + return getState(fd) +} + +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, oldState *State) error { + return restore(fd, oldState) +} + +// GetSize returns the visible dimensions of the given terminal. +// +// These dimensions don't include any scrollback buffer height. +func GetSize(fd int) (width, height int, err error) { + return getSize(fd) +} + +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +func ReadPassword(fd int) ([]byte, error) { + return readPassword(fd) +} diff --git a/vendor/golang.org/x/term/term_plan9.go b/vendor/golang.org/x/term/term_plan9.go new file mode 100644 index 0000000..21afa55 --- /dev/null +++ b/vendor/golang.org/x/term/term_plan9.go @@ -0,0 +1,42 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package term + +import ( + "fmt" + "runtime" + + "golang.org/x/sys/plan9" +) + +type state struct{} + +func isTerminal(fd int) bool { + path, err := plan9.Fd2path(fd) + if err != nil { + return false + } + return path == "/dev/cons" || path == "/mnt/term/dev/cons" +} + +func makeRaw(fd int) (*State, error) { + return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func getState(fd int) (*State, error) { + return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func restore(fd int, state *State) error { + return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func getSize(fd int) (width, height int, err error) { + return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func readPassword(fd int) ([]byte, error) { + return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} diff --git a/vendor/golang.org/x/term/term_unix.go b/vendor/golang.org/x/term/term_unix.go new file mode 100644 index 0000000..1ad0ddf --- /dev/null +++ b/vendor/golang.org/x/term/term_unix.go @@ -0,0 +1,91 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos + +package term + +import ( + "golang.org/x/sys/unix" +) + +type state struct { + termios unix.Termios +} + +func isTerminal(fd int) bool { + _, err := unix.IoctlGetTermios(fd, ioctlReadTermios) + return err == nil +} + +func makeRaw(fd int) (*State, error) { + termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) + if err != nil { + return nil, err + } + + oldState := State{state{termios: *termios}} + + // This attempts to replicate the behaviour documented for cfmakeraw in + // the termios(3) manpage. + termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON + termios.Oflag &^= unix.OPOST + termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN + termios.Cflag &^= unix.CSIZE | unix.PARENB + termios.Cflag |= unix.CS8 + termios.Cc[unix.VMIN] = 1 + termios.Cc[unix.VTIME] = 0 + if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, termios); err != nil { + return nil, err + } + + return &oldState, nil +} + +func getState(fd int) (*State, error) { + termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) + if err != nil { + return nil, err + } + + return &State{state{termios: *termios}}, nil +} + +func restore(fd int, state *State) error { + return unix.IoctlSetTermios(fd, ioctlWriteTermios, &state.termios) +} + +func getSize(fd int) (width, height int, err error) { + ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) + if err != nil { + return 0, 0, err + } + return int(ws.Col), int(ws.Row), nil +} + +// passwordReader is an io.Reader that reads from a specific file descriptor. +type passwordReader int + +func (r passwordReader) Read(buf []byte) (int, error) { + return unix.Read(int(r), buf) +} + +func readPassword(fd int) ([]byte, error) { + termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) + if err != nil { + return nil, err + } + + newState := *termios + newState.Lflag &^= unix.ECHO + newState.Lflag |= unix.ICANON | unix.ISIG + newState.Iflag |= unix.ICRNL + if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, &newState); err != nil { + return nil, err + } + + defer unix.IoctlSetTermios(fd, ioctlWriteTermios, termios) + + return readPasswordLine(passwordReader(fd)) +} diff --git a/vendor/golang.org/x/term/term_unix_bsd.go b/vendor/golang.org/x/term/term_unix_bsd.go new file mode 100644 index 0000000..9dbf546 --- /dev/null +++ b/vendor/golang.org/x/term/term_unix_bsd.go @@ -0,0 +1,12 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || dragonfly || freebsd || netbsd || openbsd + +package term + +import "golang.org/x/sys/unix" + +const ioctlReadTermios = unix.TIOCGETA +const ioctlWriteTermios = unix.TIOCSETA diff --git a/vendor/golang.org/x/term/term_unix_other.go b/vendor/golang.org/x/term/term_unix_other.go new file mode 100644 index 0000000..1b36de7 --- /dev/null +++ b/vendor/golang.org/x/term/term_unix_other.go @@ -0,0 +1,12 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || linux || solaris || zos + +package term + +import "golang.org/x/sys/unix" + +const ioctlReadTermios = unix.TCGETS +const ioctlWriteTermios = unix.TCSETS diff --git a/vendor/golang.org/x/term/term_unsupported.go b/vendor/golang.org/x/term/term_unsupported.go new file mode 100644 index 0000000..3c409e5 --- /dev/null +++ b/vendor/golang.org/x/term/term_unsupported.go @@ -0,0 +1,38 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !zos && !windows && !solaris && !plan9 + +package term + +import ( + "fmt" + "runtime" +) + +type state struct{} + +func isTerminal(fd int) bool { + return false +} + +func makeRaw(fd int) (*State, error) { + return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func getState(fd int) (*State, error) { + return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func restore(fd int, state *State) error { + return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func getSize(fd int) (width, height int, err error) { + return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} + +func readPassword(fd int) ([]byte, error) { + return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} diff --git a/vendor/golang.org/x/term/term_windows.go b/vendor/golang.org/x/term/term_windows.go new file mode 100644 index 0000000..df6bf94 --- /dev/null +++ b/vendor/golang.org/x/term/term_windows.go @@ -0,0 +1,80 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package term + +import ( + "os" + + "golang.org/x/sys/windows" +) + +type state struct { + mode uint32 +} + +func isTerminal(fd int) bool { + var st uint32 + err := windows.GetConsoleMode(windows.Handle(fd), &st) + return err == nil +} + +func makeRaw(fd int) (*State, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) + raw |= windows.ENABLE_VIRTUAL_TERMINAL_INPUT + if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil { + return nil, err + } + return &State{state{st}}, nil +} + +func getState(fd int) (*State, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + return &State{state{st}}, nil +} + +func restore(fd int, state *State) error { + return windows.SetConsoleMode(windows.Handle(fd), state.mode) +} + +func getSize(fd int) (width, height int, err error) { + var info windows.ConsoleScreenBufferInfo + if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { + return 0, 0, err + } + return int(info.Window.Right - info.Window.Left + 1), int(info.Window.Bottom - info.Window.Top + 1), nil +} + +func readPassword(fd int) ([]byte, error) { + var st uint32 + if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { + return nil, err + } + old := st + + st &^= (windows.ENABLE_ECHO_INPUT | windows.ENABLE_LINE_INPUT) + st |= (windows.ENABLE_PROCESSED_OUTPUT | windows.ENABLE_PROCESSED_INPUT) + if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil { + return nil, err + } + + defer windows.SetConsoleMode(windows.Handle(fd), old) + + var h windows.Handle + p, _ := windows.GetCurrentProcess() + if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil { + return nil, err + } + + f := os.NewFile(uintptr(h), "stdin") + defer f.Close() + return readPasswordLine(f) +} diff --git a/vendor/golang.org/x/term/terminal.go b/vendor/golang.org/x/term/terminal.go new file mode 100644 index 0000000..14f8947 --- /dev/null +++ b/vendor/golang.org/x/term/terminal.go @@ -0,0 +1,995 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package term + +import ( + "bytes" + "io" + "runtime" + "strconv" + "sync" + "unicode/utf8" +) + +// EscapeCodes contains escape sequences that can be written to the terminal in +// order to achieve different styles of text. +type EscapeCodes struct { + // Foreground colors + Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte + + // Reset all attributes + Reset []byte +} + +var vt100EscapeCodes = EscapeCodes{ + Black: []byte{keyEscape, '[', '3', '0', 'm'}, + Red: []byte{keyEscape, '[', '3', '1', 'm'}, + Green: []byte{keyEscape, '[', '3', '2', 'm'}, + Yellow: []byte{keyEscape, '[', '3', '3', 'm'}, + Blue: []byte{keyEscape, '[', '3', '4', 'm'}, + Magenta: []byte{keyEscape, '[', '3', '5', 'm'}, + Cyan: []byte{keyEscape, '[', '3', '6', 'm'}, + White: []byte{keyEscape, '[', '3', '7', 'm'}, + + Reset: []byte{keyEscape, '[', '0', 'm'}, +} + +// Terminal contains the state for running a VT100 terminal that is capable of +// reading lines of input. +type Terminal struct { + // AutoCompleteCallback, if non-null, is called for each keypress with + // the full input line and the current position of the cursor (in + // bytes, as an index into |line|). If it returns ok=false, the key + // press is processed normally. Otherwise it returns a replacement line + // and the new cursor position. + // + // This will be disabled during ReadPassword. + AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) + + // Escape contains a pointer to the escape codes for this terminal. + // It's always a valid pointer, although the escape codes themselves + // may be empty if the terminal doesn't support them. + Escape *EscapeCodes + + // lock protects the terminal and the state in this object from + // concurrent processing of a key press and a Write() call. + lock sync.Mutex + + c io.ReadWriter + prompt []rune + + // line is the current line being entered. + line []rune + // pos is the logical position of the cursor in line + pos int + // echo is true if local echo is enabled + echo bool + // pasteActive is true iff there is a bracketed paste operation in + // progress. + pasteActive bool + + // cursorX contains the current X value of the cursor where the left + // edge is 0. cursorY contains the row number where the first row of + // the current line is 0. + cursorX, cursorY int + // maxLine is the greatest value of cursorY so far. + maxLine int + + termWidth, termHeight int + + // outBuf contains the terminal data to be sent. + outBuf []byte + // remainder contains the remainder of any partial key sequences after + // a read. It aliases into inBuf. + remainder []byte + inBuf [256]byte + + // history contains previously entered commands so that they can be + // accessed with the up and down keys. + history stRingBuffer + // historyIndex stores the currently accessed history entry, where zero + // means the immediately previous entry. + historyIndex int + // When navigating up and down the history it's possible to return to + // the incomplete, initial line. That value is stored in + // historyPending. + historyPending string +} + +// NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is +// a local terminal, that terminal must first have been put into raw mode. +// prompt is a string that is written at the start of each input line (i.e. +// "> "). +func NewTerminal(c io.ReadWriter, prompt string) *Terminal { + return &Terminal{ + Escape: &vt100EscapeCodes, + c: c, + prompt: []rune(prompt), + termWidth: 80, + termHeight: 24, + echo: true, + historyIndex: -1, + } +} + +const ( + keyCtrlC = 3 + keyCtrlD = 4 + keyCtrlU = 21 + keyEnter = '\r' + keyEscape = 27 + keyBackspace = 127 + keyUnknown = 0xd800 /* UTF-16 surrogate area */ + iota + keyUp + keyDown + keyLeft + keyRight + keyAltLeft + keyAltRight + keyHome + keyEnd + keyDeleteWord + keyDeleteLine + keyClearScreen + keyPasteStart + keyPasteEnd +) + +var ( + crlf = []byte{'\r', '\n'} + pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'} + pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'} +) + +// bytesToKey tries to parse a key sequence from b. If successful, it returns +// the key and the remainder of the input. Otherwise it returns utf8.RuneError. +func bytesToKey(b []byte, pasteActive bool) (rune, []byte) { + if len(b) == 0 { + return utf8.RuneError, nil + } + + if !pasteActive { + switch b[0] { + case 1: // ^A + return keyHome, b[1:] + case 2: // ^B + return keyLeft, b[1:] + case 5: // ^E + return keyEnd, b[1:] + case 6: // ^F + return keyRight, b[1:] + case 8: // ^H + return keyBackspace, b[1:] + case 11: // ^K + return keyDeleteLine, b[1:] + case 12: // ^L + return keyClearScreen, b[1:] + case 23: // ^W + return keyDeleteWord, b[1:] + case 14: // ^N + return keyDown, b[1:] + case 16: // ^P + return keyUp, b[1:] + } + } + + if b[0] != keyEscape { + if !utf8.FullRune(b) { + return utf8.RuneError, b + } + r, l := utf8.DecodeRune(b) + return r, b[l:] + } + + if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' { + switch b[2] { + case 'A': + return keyUp, b[3:] + case 'B': + return keyDown, b[3:] + case 'C': + return keyRight, b[3:] + case 'D': + return keyLeft, b[3:] + case 'H': + return keyHome, b[3:] + case 'F': + return keyEnd, b[3:] + } + } + + if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' { + switch b[5] { + case 'C': + return keyAltRight, b[6:] + case 'D': + return keyAltLeft, b[6:] + } + } + + if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) { + return keyPasteStart, b[6:] + } + + if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) { + return keyPasteEnd, b[6:] + } + + // If we get here then we have a key that we don't recognise, or a + // partial sequence. It's not clear how one should find the end of a + // sequence without knowing them all, but it seems that [a-zA-Z~] only + // appears at the end of a sequence. + for i, c := range b[0:] { + if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' { + return keyUnknown, b[i+1:] + } + } + + return utf8.RuneError, b +} + +// queue appends data to the end of t.outBuf +func (t *Terminal) queue(data []rune) { + t.outBuf = append(t.outBuf, []byte(string(data))...) +} + +var space = []rune{' '} + +func isPrintable(key rune) bool { + isInSurrogateArea := key >= 0xd800 && key <= 0xdbff + return key >= 32 && !isInSurrogateArea +} + +// moveCursorToPos appends data to t.outBuf which will move the cursor to the +// given, logical position in the text. +func (t *Terminal) moveCursorToPos(pos int) { + if !t.echo { + return + } + + x := visualLength(t.prompt) + pos + y := x / t.termWidth + x = x % t.termWidth + + up := 0 + if y < t.cursorY { + up = t.cursorY - y + } + + down := 0 + if y > t.cursorY { + down = y - t.cursorY + } + + left := 0 + if x < t.cursorX { + left = t.cursorX - x + } + + right := 0 + if x > t.cursorX { + right = x - t.cursorX + } + + t.cursorX = x + t.cursorY = y + t.move(up, down, left, right) +} + +func (t *Terminal) move(up, down, left, right int) { + m := []rune{} + + // 1 unit up can be expressed as ^[[A or ^[A + // 5 units up can be expressed as ^[[5A + + if up == 1 { + m = append(m, keyEscape, '[', 'A') + } else if up > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(up))...) + m = append(m, 'A') + } + + if down == 1 { + m = append(m, keyEscape, '[', 'B') + } else if down > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(down))...) + m = append(m, 'B') + } + + if right == 1 { + m = append(m, keyEscape, '[', 'C') + } else if right > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(right))...) + m = append(m, 'C') + } + + if left == 1 { + m = append(m, keyEscape, '[', 'D') + } else if left > 1 { + m = append(m, keyEscape, '[') + m = append(m, []rune(strconv.Itoa(left))...) + m = append(m, 'D') + } + + t.queue(m) +} + +func (t *Terminal) clearLineToRight() { + op := []rune{keyEscape, '[', 'K'} + t.queue(op) +} + +const maxLineLength = 4096 + +func (t *Terminal) setLine(newLine []rune, newPos int) { + if t.echo { + t.moveCursorToPos(0) + t.writeLine(newLine) + for i := len(newLine); i < len(t.line); i++ { + t.writeLine(space) + } + t.moveCursorToPos(newPos) + } + t.line = newLine + t.pos = newPos +} + +func (t *Terminal) advanceCursor(places int) { + t.cursorX += places + t.cursorY += t.cursorX / t.termWidth + if t.cursorY > t.maxLine { + t.maxLine = t.cursorY + } + t.cursorX = t.cursorX % t.termWidth + + if places > 0 && t.cursorX == 0 { + // Normally terminals will advance the current position + // when writing a character. But that doesn't happen + // for the last character in a line. However, when + // writing a character (except a new line) that causes + // a line wrap, the position will be advanced two + // places. + // + // So, if we are stopping at the end of a line, we + // need to write a newline so that our cursor can be + // advanced to the next line. + t.outBuf = append(t.outBuf, '\r', '\n') + } +} + +func (t *Terminal) eraseNPreviousChars(n int) { + if n == 0 { + return + } + + if t.pos < n { + n = t.pos + } + t.pos -= n + t.moveCursorToPos(t.pos) + + copy(t.line[t.pos:], t.line[n+t.pos:]) + t.line = t.line[:len(t.line)-n] + if t.echo { + t.writeLine(t.line[t.pos:]) + for i := 0; i < n; i++ { + t.queue(space) + } + t.advanceCursor(n) + t.moveCursorToPos(t.pos) + } +} + +// countToLeftWord returns then number of characters from the cursor to the +// start of the previous word. +func (t *Terminal) countToLeftWord() int { + if t.pos == 0 { + return 0 + } + + pos := t.pos - 1 + for pos > 0 { + if t.line[pos] != ' ' { + break + } + pos-- + } + for pos > 0 { + if t.line[pos] == ' ' { + pos++ + break + } + pos-- + } + + return t.pos - pos +} + +// countToRightWord returns then number of characters from the cursor to the +// start of the next word. +func (t *Terminal) countToRightWord() int { + pos := t.pos + for pos < len(t.line) { + if t.line[pos] == ' ' { + break + } + pos++ + } + for pos < len(t.line) { + if t.line[pos] != ' ' { + break + } + pos++ + } + return pos - t.pos +} + +// visualLength returns the number of visible glyphs in s. +func visualLength(runes []rune) int { + inEscapeSeq := false + length := 0 + + for _, r := range runes { + switch { + case inEscapeSeq: + if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') { + inEscapeSeq = false + } + case r == '\x1b': + inEscapeSeq = true + default: + length++ + } + } + + return length +} + +// handleKey processes the given key and, optionally, returns a line of text +// that the user has entered. +func (t *Terminal) handleKey(key rune) (line string, ok bool) { + if t.pasteActive && key != keyEnter { + t.addKeyToLine(key) + return + } + + switch key { + case keyBackspace: + if t.pos == 0 { + return + } + t.eraseNPreviousChars(1) + case keyAltLeft: + // move left by a word. + t.pos -= t.countToLeftWord() + t.moveCursorToPos(t.pos) + case keyAltRight: + // move right by a word. + t.pos += t.countToRightWord() + t.moveCursorToPos(t.pos) + case keyLeft: + if t.pos == 0 { + return + } + t.pos-- + t.moveCursorToPos(t.pos) + case keyRight: + if t.pos == len(t.line) { + return + } + t.pos++ + t.moveCursorToPos(t.pos) + case keyHome: + if t.pos == 0 { + return + } + t.pos = 0 + t.moveCursorToPos(t.pos) + case keyEnd: + if t.pos == len(t.line) { + return + } + t.pos = len(t.line) + t.moveCursorToPos(t.pos) + case keyUp: + entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1) + if !ok { + return "", false + } + if t.historyIndex == -1 { + t.historyPending = string(t.line) + } + t.historyIndex++ + runes := []rune(entry) + t.setLine(runes, len(runes)) + case keyDown: + switch t.historyIndex { + case -1: + return + case 0: + runes := []rune(t.historyPending) + t.setLine(runes, len(runes)) + t.historyIndex-- + default: + entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1) + if ok { + t.historyIndex-- + runes := []rune(entry) + t.setLine(runes, len(runes)) + } + } + case keyEnter: + t.moveCursorToPos(len(t.line)) + t.queue([]rune("\r\n")) + line = string(t.line) + ok = true + t.line = t.line[:0] + t.pos = 0 + t.cursorX = 0 + t.cursorY = 0 + t.maxLine = 0 + case keyDeleteWord: + // Delete zero or more spaces and then one or more characters. + t.eraseNPreviousChars(t.countToLeftWord()) + case keyDeleteLine: + // Delete everything from the current cursor position to the + // end of line. + for i := t.pos; i < len(t.line); i++ { + t.queue(space) + t.advanceCursor(1) + } + t.line = t.line[:t.pos] + t.moveCursorToPos(t.pos) + case keyCtrlD: + // Erase the character under the current position. + // The EOF case when the line is empty is handled in + // readLine(). + if t.pos < len(t.line) { + t.pos++ + t.eraseNPreviousChars(1) + } + case keyCtrlU: + t.eraseNPreviousChars(t.pos) + case keyClearScreen: + // Erases the screen and moves the cursor to the home position. + t.queue([]rune("\x1b[2J\x1b[H")) + t.queue(t.prompt) + t.cursorX, t.cursorY = 0, 0 + t.advanceCursor(visualLength(t.prompt)) + t.setLine(t.line, t.pos) + default: + if t.AutoCompleteCallback != nil { + prefix := string(t.line[:t.pos]) + suffix := string(t.line[t.pos:]) + + t.lock.Unlock() + newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key) + t.lock.Lock() + + if completeOk { + t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos])) + return + } + } + if !isPrintable(key) { + return + } + if len(t.line) == maxLineLength { + return + } + t.addKeyToLine(key) + } + return +} + +// addKeyToLine inserts the given key at the current position in the current +// line. +func (t *Terminal) addKeyToLine(key rune) { + if len(t.line) == cap(t.line) { + newLine := make([]rune, len(t.line), 2*(1+len(t.line))) + copy(newLine, t.line) + t.line = newLine + } + t.line = t.line[:len(t.line)+1] + copy(t.line[t.pos+1:], t.line[t.pos:]) + t.line[t.pos] = key + if t.echo { + t.writeLine(t.line[t.pos:]) + } + t.pos++ + t.moveCursorToPos(t.pos) +} + +func (t *Terminal) writeLine(line []rune) { + for len(line) != 0 { + remainingOnLine := t.termWidth - t.cursorX + todo := len(line) + if todo > remainingOnLine { + todo = remainingOnLine + } + t.queue(line[:todo]) + t.advanceCursor(visualLength(line[:todo])) + line = line[todo:] + } +} + +// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n. +func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) { + for len(buf) > 0 { + i := bytes.IndexByte(buf, '\n') + todo := len(buf) + if i >= 0 { + todo = i + } + + var nn int + nn, err = w.Write(buf[:todo]) + n += nn + if err != nil { + return n, err + } + buf = buf[todo:] + + if i >= 0 { + if _, err = w.Write(crlf); err != nil { + return n, err + } + n++ + buf = buf[1:] + } + } + + return n, nil +} + +func (t *Terminal) Write(buf []byte) (n int, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + if t.cursorX == 0 && t.cursorY == 0 { + // This is the easy case: there's nothing on the screen that we + // have to move out of the way. + return writeWithCRLF(t.c, buf) + } + + // We have a prompt and possibly user input on the screen. We + // have to clear it first. + t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */) + t.cursorX = 0 + t.clearLineToRight() + + for t.cursorY > 0 { + t.move(1 /* up */, 0, 0, 0) + t.cursorY-- + t.clearLineToRight() + } + + if _, err = t.c.Write(t.outBuf); err != nil { + return + } + t.outBuf = t.outBuf[:0] + + if n, err = writeWithCRLF(t.c, buf); err != nil { + return + } + + t.writeLine(t.prompt) + if t.echo { + t.writeLine(t.line) + } + + t.moveCursorToPos(t.pos) + + if _, err = t.c.Write(t.outBuf); err != nil { + return + } + t.outBuf = t.outBuf[:0] + return +} + +// ReadPassword temporarily changes the prompt and reads a password, without +// echo, from the terminal. +// +// The AutoCompleteCallback is disabled during this call. +func (t *Terminal) ReadPassword(prompt string) (line string, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + oldPrompt := t.prompt + t.prompt = []rune(prompt) + t.echo = false + oldAutoCompleteCallback := t.AutoCompleteCallback + t.AutoCompleteCallback = nil + defer func() { + t.AutoCompleteCallback = oldAutoCompleteCallback + }() + + line, err = t.readLine() + + t.prompt = oldPrompt + t.echo = true + + return +} + +// ReadLine returns a line of input from the terminal. +func (t *Terminal) ReadLine() (line string, err error) { + t.lock.Lock() + defer t.lock.Unlock() + + return t.readLine() +} + +func (t *Terminal) readLine() (line string, err error) { + // t.lock must be held at this point + + if t.cursorX == 0 && t.cursorY == 0 { + t.writeLine(t.prompt) + t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + } + + lineIsPasted := t.pasteActive + + for { + rest := t.remainder + lineOk := false + for !lineOk { + var key rune + key, rest = bytesToKey(rest, t.pasteActive) + if key == utf8.RuneError { + break + } + if !t.pasteActive { + if key == keyCtrlD { + if len(t.line) == 0 { + return "", io.EOF + } + } + if key == keyCtrlC { + return "", io.EOF + } + if key == keyPasteStart { + t.pasteActive = true + if len(t.line) == 0 { + lineIsPasted = true + } + continue + } + } else if key == keyPasteEnd { + t.pasteActive = false + continue + } + if !t.pasteActive { + lineIsPasted = false + } + line, lineOk = t.handleKey(key) + } + if len(rest) > 0 { + n := copy(t.inBuf[:], rest) + t.remainder = t.inBuf[:n] + } else { + t.remainder = nil + } + t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + if lineOk { + if t.echo { + t.historyIndex = -1 + t.history.Add(line) + } + if lineIsPasted { + err = ErrPasteIndicator + } + return + } + + // t.remainder is a slice at the beginning of t.inBuf + // containing a partial key sequence + readBuf := t.inBuf[len(t.remainder):] + var n int + + t.lock.Unlock() + n, err = t.c.Read(readBuf) + t.lock.Lock() + + if err != nil { + return + } + + t.remainder = t.inBuf[:n+len(t.remainder)] + } +} + +// SetPrompt sets the prompt to be used when reading subsequent lines. +func (t *Terminal) SetPrompt(prompt string) { + t.lock.Lock() + defer t.lock.Unlock() + + t.prompt = []rune(prompt) +} + +func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) { + // Move cursor to column zero at the start of the line. + t.move(t.cursorY, 0, t.cursorX, 0) + t.cursorX, t.cursorY = 0, 0 + t.clearLineToRight() + for t.cursorY < numPrevLines { + // Move down a line + t.move(0, 1, 0, 0) + t.cursorY++ + t.clearLineToRight() + } + // Move back to beginning. + t.move(t.cursorY, 0, 0, 0) + t.cursorX, t.cursorY = 0, 0 + + t.queue(t.prompt) + t.advanceCursor(visualLength(t.prompt)) + t.writeLine(t.line) + t.moveCursorToPos(t.pos) +} + +func (t *Terminal) SetSize(width, height int) error { + t.lock.Lock() + defer t.lock.Unlock() + + if width == 0 { + width = 1 + } + + oldWidth := t.termWidth + t.termWidth, t.termHeight = width, height + + switch { + case width == oldWidth: + // If the width didn't change then nothing else needs to be + // done. + return nil + case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0: + // If there is nothing on current line and no prompt printed, + // just do nothing + return nil + case width < oldWidth: + // Some terminals (e.g. xterm) will truncate lines that were + // too long when shinking. Others, (e.g. gnome-terminal) will + // attempt to wrap them. For the former, repainting t.maxLine + // works great, but that behaviour goes badly wrong in the case + // of the latter because they have doubled every full line. + + // We assume that we are working on a terminal that wraps lines + // and adjust the cursor position based on every previous line + // wrapping and turning into two. This causes the prompt on + // xterms to move upwards, which isn't great, but it avoids a + // huge mess with gnome-terminal. + if t.cursorX >= t.termWidth { + t.cursorX = t.termWidth - 1 + } + t.cursorY *= 2 + t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2) + case width > oldWidth: + // If the terminal expands then our position calculations will + // be wrong in the future because we think the cursor is + // |t.pos| chars into the string, but there will be a gap at + // the end of any wrapped line. + // + // But the position will actually be correct until we move, so + // we can move back to the beginning and repaint everything. + t.clearAndRepaintLinePlusNPrevious(t.maxLine) + } + + _, err := t.c.Write(t.outBuf) + t.outBuf = t.outBuf[:0] + return err +} + +type pasteIndicatorError struct{} + +func (pasteIndicatorError) Error() string { + return "terminal: ErrPasteIndicator not correctly handled" +} + +// ErrPasteIndicator may be returned from ReadLine as the error, in addition +// to valid line data. It indicates that bracketed paste mode is enabled and +// that the returned line consists only of pasted data. Programs may wish to +// interpret pasted data more literally than typed data. +var ErrPasteIndicator = pasteIndicatorError{} + +// SetBracketedPasteMode requests that the terminal bracket paste operations +// with markers. Not all terminals support this but, if it is supported, then +// enabling this mode will stop any autocomplete callback from running due to +// pastes. Additionally, any lines that are completely pasted will be returned +// from ReadLine with the error set to ErrPasteIndicator. +func (t *Terminal) SetBracketedPasteMode(on bool) { + if on { + io.WriteString(t.c, "\x1b[?2004h") + } else { + io.WriteString(t.c, "\x1b[?2004l") + } +} + +// stRingBuffer is a ring buffer of strings. +type stRingBuffer struct { + // entries contains max elements. + entries []string + max int + // head contains the index of the element most recently added to the ring. + head int + // size contains the number of elements in the ring. + size int +} + +func (s *stRingBuffer) Add(a string) { + if s.entries == nil { + const defaultNumEntries = 100 + s.entries = make([]string, defaultNumEntries) + s.max = defaultNumEntries + } + + s.head = (s.head + 1) % s.max + s.entries[s.head] = a + if s.size < s.max { + s.size++ + } +} + +// NthPreviousEntry returns the value passed to the nth previous call to Add. +// If n is zero then the immediately prior value is returned, if one, then the +// next most recent, and so on. If such an element doesn't exist then ok is +// false. +func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) { + if n < 0 || n >= s.size { + return "", false + } + index := s.head - n + if index < 0 { + index += s.max + } + return s.entries[index], true +} + +// readPasswordLine reads from reader until it finds \n or io.EOF. +// The slice returned does not include the \n. +// readPasswordLine also ignores any \r it finds. +// Windows uses \r as end of line. So, on Windows, readPasswordLine +// reads until it finds \r and ignores any \n it finds during processing. +func readPasswordLine(reader io.Reader) ([]byte, error) { + var buf [1]byte + var ret []byte + + for { + n, err := reader.Read(buf[:]) + if n > 0 { + switch buf[0] { + case '\b': + if len(ret) > 0 { + ret = ret[:len(ret)-1] + } + case '\n': + if runtime.GOOS != "windows" { + return ret, nil + } + // otherwise ignore \n + case '\r': + if runtime.GOOS == "windows" { + return ret, nil + } + // otherwise ignore \r + default: + ret = append(ret, buf[0]) + } + continue + } + if err != nil { + if err == io.EOF && len(ret) > 0 { + return ret, nil + } + return ret, err + } + } +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 1972e16..2bd386b 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -1,3 +1,9 @@ +# aead.dev/minisign v0.3.0 +## explicit; go 1.21 +aead.dev/minisign +# github.com/SencilloDev/gupdate v0.0.0-20250416015622-a1ca4089901b +## explicit; go 1.22.2 +github.com/SencilloDev/gupdate # github.com/SencilloDev/sencillo-go v1.1.0 ## explicit; go 1.22.2 github.com/SencilloDev/sencillo-go/errors @@ -10,6 +16,9 @@ github.com/agnivade/levenshtein # github.com/beorn7/perks v1.0.1 ## explicit; go 1.11 github.com/beorn7/perks/quantile +# github.com/briandowns/spinner v1.23.0 +## explicit; go 1.17 +github.com/briandowns/spinner # github.com/cenkalti/backoff/v4 v4.3.0 ## explicit; go 1.18 github.com/cenkalti/backoff/v4 @@ -42,6 +51,9 @@ github.com/expr-lang/expr/patcher github.com/expr-lang/expr/types github.com/expr-lang/expr/vm github.com/expr-lang/expr/vm/runtime +# github.com/fatih/color v1.17.0 +## explicit; go 1.17 +github.com/fatih/color # github.com/felixge/httpsnoop v1.0.4 ## explicit; go 1.13 github.com/felixge/httpsnoop @@ -98,9 +110,20 @@ github.com/klauspost/compress/flate github.com/klauspost/compress/internal/le github.com/klauspost/compress/internal/race github.com/klauspost/compress/s2 +# github.com/mattn/go-colorable v0.1.13 +## explicit; go 1.15 +github.com/mattn/go-colorable +# github.com/mattn/go-isatty v0.0.20 +## explicit; go 1.15 +github.com/mattn/go-isatty # github.com/minio/highwayhash v1.0.3 ## explicit; go 1.15 github.com/minio/highwayhash +# github.com/minio/selfupdate v0.6.0 +## explicit; go 1.14 +github.com/minio/selfupdate +github.com/minio/selfupdate/internal/binarydist +github.com/minio/selfupdate/internal/osext # github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 ## explicit github.com/munnerz/goautoneg @@ -153,7 +176,6 @@ github.com/open-policy-agent/opa/ast github.com/open-policy-agent/opa/ast/json github.com/open-policy-agent/opa/bundle github.com/open-policy-agent/opa/capabilities -github.com/open-policy-agent/opa/cover github.com/open-policy-agent/opa/internal/bundle github.com/open-policy-agent/opa/internal/cidr/merge github.com/open-policy-agent/opa/internal/compiler @@ -416,7 +438,9 @@ golang.org/x/crypto/internal/poly1305 golang.org/x/crypto/nacl/box golang.org/x/crypto/nacl/secretbox golang.org/x/crypto/ocsp +golang.org/x/crypto/pbkdf2 golang.org/x/crypto/salsa20/salsa +golang.org/x/crypto/scrypt # golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 ## explicit; go 1.23.0 golang.org/x/exp/slices @@ -437,12 +461,16 @@ golang.org/x/net/trace # golang.org/x/sys v0.32.0 ## explicit; go 1.23.0 golang.org/x/sys/cpu +golang.org/x/sys/plan9 golang.org/x/sys/unix golang.org/x/sys/windows golang.org/x/sys/windows/registry golang.org/x/sys/windows/svc golang.org/x/sys/windows/svc/eventlog golang.org/x/sys/windows/svc/mgr +# golang.org/x/term v0.31.0 +## explicit; go 1.23.0 +golang.org/x/term # golang.org/x/text v0.24.0 ## explicit; go 1.23.0 golang.org/x/text/cases