mirror of
https://github.com/JonathanSalwan/ROPgadget
synced 2026-06-08 11:25:23 +00:00
Allan Wirth
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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** RopGadget - Release v3.4.2
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** Jonathan Salwan - http://twitter.com/JonathanSalwan
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** http://shell-storm.org
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** 2012-11-11
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "ropgadget.h"
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void make_opcode(char *str, t_opcode *op)
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{
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int i;
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unsigned char *ptr;
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int size;
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size = strlen(str);
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ptr = xmalloc(size * sizeof(char));
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memset(ptr, 0x00, size * sizeof(char));
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for (i = 0; *str; i++, str += 2)
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{
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if (str[0] != '\\' || str[1] != 'x')
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{
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fprintf(stderr, "%sSyntax error%s: Bad separator\n", RED, ENDC);
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fprintf(stderr, " Please respect this syntax: \\xcd\\x80\n");
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exit(EXIT_FAILURE);
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}
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str += 2;
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if (!isxdigit(str[0]) || !isxdigit(str[1]))
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{
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fprintf(stderr, "%sOpcode error%s: No hexa byte\n", RED, ENDC);;
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exit(EXIT_FAILURE);
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}
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ptr[i] = strtol(str, NULL, 16);
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}
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op->size = i;
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op->opcode = ptr;
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}
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void print_opcode(void)
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{
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size_t i;
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for (i = 0; i != opcode_mode.size; i++)
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fprintf(stdout, "\\x%.2x", opcode_mode.opcode[i]);
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if (asm_mode.flag == 1)
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fprintf(stdout, "%s %s<==>%s %s%s", ENDC, YELLOW, ENDC, BLUE, asm_mode.argument);
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}
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int search_opcode(const char *s1, const char *s2, size_t n)
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{
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size_t i;
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for (i = 0; i < n; i++)
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if (s1[i] != s2[i] && !(s2[i] == '?' || s2[i] == '_'))
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return 1;
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return 0;
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}
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