mirror of
https://github.com/araxiaonline/TrinityCore.git
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718c238524
Update libmpq to d59b4cf1d1 and add some custom change to fix additional build warnings, diff is included.
Extracting dbcs, maps, vmaps and mmaps is not required.
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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* crypt_buf_gen.c -- tool to re-create the static decryption buffer.
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*
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* Copyright (c) 2003-2011 Maik Broemme <mbroemme@libmpq.org>
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* Copyright (c) 2008-2011 Georg Lukas <georg@op-co.de>
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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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*
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* Usage:
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* $ make crypt_buf_gen
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* $ ./crypt_buf_gen > crypt_buf.h
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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static uint32_t *buffer;
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int32_t libmpq__buffer_init() {
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buffer = malloc(sizeof(uint32_t) * 0x500);
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if (!buffer)
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return -1;
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/* some common variables. */
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uint32_t seed = 0x00100001;
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uint32_t index1 = 0;
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uint32_t index2 = 0;
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uint32_t i;
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/* initialize the decryption buffer. */
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for (index1 = 0; index1 < 0x100; index1++) {
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for(index2 = index1, i = 0; i < 5; i++, index2 += 0x100) {
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/* some common variables. */
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uint32_t temp1, temp2;
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/* temporary copy. */
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seed = (seed * 125 + 3) % 0x2AAAAB;
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temp1 = (seed & 0xFFFF) << 0x10;
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/* temporary copy. */
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seed = (seed * 125 + 3) % 0x2AAAAB;
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temp2 = (seed & 0xFFFF);
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/* assign buffer. */
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buffer[index2] = (temp1 | temp2);
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}
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}
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/* if no error was found, return zero. */
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return 0;
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}
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int main() {
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if (libmpq__buffer_init() != 0)
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perror("libmpq__buffer_init()");
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int x;
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printf("/* DO NOT CHANGE! this file is auto-generated by crypt_buf_gen.c */\n");
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printf("static const uint32_t crypt_buf[0x500] = {\n\t");
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for (x = 0; x < 0x500; x++) {
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printf("0x%08x", buffer[x]);
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if (x < 0x500 - 1) {
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if (x % 6 == 5)
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printf(",\n\t");
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else
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printf(", ");
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}
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}
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printf("\n};\n");
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}
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