PacketSniffer/http.cpp at master · sugarbliss/PacketSniffer · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
#include "http.h"

#include <stdint.h>
#include <stdio.h>

#include "colors.h"
#include "shared.h"
#include "tags.h"

void handle_http(QList<QStandardItem*>* row, const char* data, uint16_t size)
{
    int n; // 读取的字符数
    int i = 0; // 数据索引

    printf(CYAN "	HTTP:\n" RESET);
    row->append(new QStandardItem("HTTP"));

    if (size == 0) {
        printf("		This packet contains no more data\n");
        row->append(new QStandardItem("Acknowledgement, No more data"));
        return;
    }
    if (strncmp(data, "GET", 3) == 0 || strncmp(data, "HTTP", 4) == 0) {
        bool firstLineRead = false;
        do {
            n = 0;
            printf("\t\t");
            if (firstLineRead == false) {
                QString infoString;
                while (data[i] != '\r') {
                    putchar(data[i]);
                    infoString.append(data[i]);
                    i++;
                    n++;
                }
                row->append(new QStandardItem(infoString));
                firstLineRead = true;
            } else {
                while (data[i] != '\r') {
                    putchar(data[i]);
                    i++;
                    n++;
                }
            }
            printf("\n");
            i += 2;
        } while (n > 0);
    } else {
        row->append(new QStandardItem("HTTP Data"));
        i = 0;
        n = 1;
        printf("\t\t");
        while (i < size) {
            if (data[i] >= 32 && data[i] <= 126) {
                putchar(data[i]);
            } else {
                putchar('.');
            }

            if ((n & 0x3F) == 0) {
                printf("\n\t\t");
            }
            n++;
            i++;
        }
        putchar('\n');
    }
}

void handle_http_fill(QString* infoStr, const char* data, uint16_t size)
{
    int n; // 读取的字符数
    int i = 0; // 数据索引

    infoStr->append(HEADER_TAG_START "HTTP:" HEADER_TAG_END NEWLINE);

    if (size == 0) {
        infoStr->append(TAB "This packet contains no more data" NEWLINE);
        return;
    }
    if (strncmp(data, "GET", 3) == 0 || strncmp(data, "HTTP", 4) == 0) {
        do {
            n = 0;
            infoStr->append(TAB);
            while (data[i] != '\r') {
                infoStr->append(IS_PRINTABLE(data[i]) ? data[i] : '.');
                i++;
                n++;
            }

            infoStr->append(NEWLINE);
            i += 2;
        } while (n > 0);
    } else {
        QHash<char, QString> htmlEntities;
        htmlEntities.insert('<', "&lt;");
        htmlEntities.insert('>', "&gt;");

        i = 0;
        n = 1;
        infoStr->append(TAB);
        while (i < size) {
            char c = data[i];
            if (IS_PRINTABLE(c)) {
                if (htmlEntities.contains(c)) {
                    infoStr->append(htmlEntities.value(c));
                } else {
                    infoStr->append(c);
                }
            } else {
                infoStr->append('.');
            }
            if (n == 32) {
                infoStr->append(NEWLINE TAB);
                n = 0;
            }
            n++;
            i++;
        }
    }
}