summaryrefslogtreecommitdiff
path: root/src/binary.c
blob: 73960ac668b5852b4c7997f90542a629f063f4ae (plain)
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232

/* OpenIDA - Outil d'analyse de fichiers binaires
 * binary.c - traitement des flots de code binaire
 *
 * Copyright (C) 2008 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "binary.h"


#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>



#include "arch/processor.h"


#include "format/elf/format_elf.h"




/* Charge en mémoire le contenu d'un fichier. */
uint8_t *map_binary_file(const char *, size_t *);





/******************************************************************************
*                                                                             *
*  Paramètres  : filename = nom du fichier à charger.                         *
*                length   = taille des données mises en mémoire. [OUT]        *
*                                                                             *
*  Description : Charge en mémoire le contenu d'un fichier.                   *
*                                                                             *
*  Retour      : Adresse du contenu binaire ou NULL en cas d'échec.           *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

uint8_t *map_binary_file(const char *filename, size_t *length)
{
    uint8_t *result;                        /* Données à retourner         */
    int fd;                                 /* Fichier ouvert en lecture   */
    struct stat info;                       /* Informations sur le fichier */
    int ret;                                /* Bilan d'un appel            */

    fd = open(filename, 0, O_RDONLY);
    if (fd == -1)
    {
        perror("open()");
        return NULL;
    }

    ret = fstat(fd, &info);
    if (ret == -1)
    {
        perror("fstat()");
        close(fd);
        return NULL;
    }

    *length = info.st_size;

    result = (uint8_t *)mmap(NULL, *length, PROT_READ, MAP_PRIVATE, fd, 0);
    if (result == MAP_FAILED)
    {
        perror("mmap()");
        result = NULL;
    }

    ret = close(fd);
    if (ret == -1)
        perror("close()");

    return result;

}







void fill_snippet(GtkSnippet *snippet)
{
    size_t length;
    uint8_t *bin_data;
    int ret;


    asm_processor *proc;
    asm_instr *instr;

    uint8_t *data = "\x66\xba\x0c\x00\x00\x00\x66\xb9\x28\x00\xee\x00\x66\xbb\x01\x00\x00\x00\x66\xb8\x04\x00\x00\x00\xcd\x80\x66\xbb\x00\x00\x00\x00\x66\xb8\x01\x00\x00\x00\xcd\x80\x48\x65\x6c\x6c\x6f\x20\x57\x6f\x72\x6c\x64\x0a";

    //uint8_t *data = "\x66\xbb\x00\x00\x00\x00\x66\xb8\x01\x00\x00\x00\xcd\x80\x90";

    off_t start;
    off_t pos;
    off_t len;

    char buffer[64];

    uint64_t base = 0;
    uint64_t offset = 0;

    proc = create_x86_processor();

    pos = 0;
    len = 0x28;



    bin_data = map_binary_file("/tmp/hello", &length);

    printf(" ~~ bin_data ~~ :: %p (%d)\n", bin_data, length);


    if (bin_data != NULL)
        find_text_data(bin_data, &pos, &len, &base);



    offset = base;


    gtk_snippet_set_processor(snippet, proc);


    gtk_snippet_add_line(snippet, offset, NULL, "Simple HelloWorld !");


#if 1

    start = pos;
    pos = 0;

    while (pos < len)
    {
        offset = base + pos;

        instr = decode_instruction(proc, &bin_data[start], &pos, len, offset);

        gtk_snippet_add_line(snippet, offset, instr, NULL);


    }


    ret = munmap(bin_data, length);


#else

    pos = 0;
    len = 0x28;


    while (pos < len)
    {
        offset = base + pos;

        instr = decode_instruction(proc, data, &pos, len, offset);

        gtk_snippet_add_line(snippet, offset, instr, NULL);


    }


    gtk_snippet_add_line(snippet, offset, NULL, "Simple HelloWorld !");

    pos = 0;
    while (pos < len)
    {
        offset = base + pos;

        instr = decode_instruction(proc, data, &pos, len, offset);

        gtk_snippet_add_line(snippet, offset, instr, NULL);


    }


    gtk_snippet_add_line(snippet, offset, NULL, "Simple HelloWorld !");

    pos = 0;
    while (pos < len)
    {
        offset = base + pos;

        instr = decode_instruction(proc, data, &pos, len, offset);

        gtk_snippet_add_line(snippet, offset, instr, NULL);


    }

#endif

    /*
    gtk_snippet_build_content(snippet);
    */


}