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/* 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);
*/
}
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