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-rw-r--r--contrib/extractor/libmpq/mpq.cpp627
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diff --git a/contrib/extractor/libmpq/mpq.cpp b/contrib/extractor/libmpq/mpq.cpp
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--- a/contrib/extractor/libmpq/mpq.cpp
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-/*
- * mpq.c -- functions for developers using libmpq.
- *
- * Copyright (C) 2003 Maik Broemme <mbroemme@plusserver.de>
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Id: mpq.c,v 1.6 2004/02/12 00:49:00 mbroemme Exp $
- */
-#define _CRT_SECURE_NO_DEPRECATE
-
-#include <stdlib.h>
-#include <sys/stat.h>
-//#include <unistd.h>
-//#include <io.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include "mpq.h"
-#include "common.h"
-
-/*
- * This function returns version information.
- * format: MAJOR.MINOR.PATCH
- */
-char *libmpq_version() {
- static char version[10];
- sprintf(version, "%i.%i.%i", LIBMPQ_MAJOR_VERSION, LIBMPQ_MINOR_VERSION, LIBMPQ_PATCH_VERSION);
- return version;
-}
-
-/*
- * This function reads a file and verify if it is a legit MPQ archive
- * or not. Then it fills the mpq_header structure and reads the hash
- * table.
- */
-int libmpq_archive_open(mpq_archive *mpq_a, unsigned char *mpq_filename) {
- int fd = 0;
- int rb = 0;
- int ncnt = FALSE;
- struct stat fileinfo;
-
- /* allocate memory */
- mpq_a->mpq_l = (mpq_list *)malloc(sizeof(mpq_list));
- memset(mpq_a->mpq_l, 0, sizeof(mpq_list));
- mpq_a->header = (mpq_header *)malloc(sizeof(mpq_header));
- memset(mpq_a->header, 0, sizeof(mpq_header));
-
- /* Check if file exists and is readable */
- fd = _open((char *)mpq_filename, MPQ_FILE_OPEN_FLAGS);
- if (fd == LIBMPQ_EFILE) {
- return LIBMPQ_EFILE;
- }
-
- /* fill the structures with informations */
- strcpy((char *)mpq_a->filename, (char *)mpq_filename);
- libmpq_init_buffer(mpq_a);
- mpq_a->fd = fd;
- mpq_a->header->id = 0;
- mpq_a->maxblockindex = 0;
- mpq_a->mpq_l->mpq_files = NULL;
-
- mpq_a->mpqpos = 0; //k
-
- while (!ncnt) {
- mpq_a->header->id = 0;
- #ifdef WIN32
- _lseeki64(mpq_a->fd, mpq_a->mpqpos, SEEK_SET);
- #else
- lseek64(mpq_a->fd, mpq_a->mpqpos, SEEK_SET);
- #endif
- rb = _read(mpq_a->fd, mpq_a->header, sizeof(mpq_header));
-
- /* if different number of bytes read, break the loop */
- if (rb != sizeof(mpq_header)) {
- return LIBMPQ_EFILE_FORMAT;
- }
-
- /* special offset for protected MPQs */
- if (mpq_a->header->offset == LIBMPQ_HEADER_W3M) {
- mpq_a->flags |= LIBMPQ_FLAG_PROTECTED;
- mpq_a->header->offset = sizeof(mpq_header);
- }
-
- /* if valid signature has been found, break the loop */
- if (mpq_a->header->id == LIBMPQ_ID_MPQ) {
- ncnt = true;
- }
- /*if (mpq_a->header->id == LIBMPQ_ID_MPQ &&
- mpq_a->header->offset == sizeof(mpq_header) &&
- mpq_a->header->hashtablepos < mpq_a->header->archivesize &&
- mpq_a->header->blocktablepos < mpq_a->header->archivesize) {
- ncnt = TRUE;
- }*/
-
- /* move to the next possible offset */
- if (!ncnt) {
- mpq_a->mpqpos += 0x200;
- }
- }
-
- /* get the right positions of the hash table and the block table. */
- mpq_a->blocksize = (0x200 << mpq_a->header->blocksize);
- fstat(mpq_a->fd, &fileinfo);
-
- /* Normal MPQs must have position of */
- /*if (mpq_a->header->hashtablepos + mpq_a->mpqpos < fileinfo.st_size &&
- mpq_a->header->blocktablepos + mpq_a->mpqpos < fileinfo.st_size) {
- mpq_a->header->hashtablepos += mpq_a->mpqpos;
- mpq_a->header->blocktablepos += mpq_a->mpqpos;
- } else {
- return LIBMPQ_EFILE_FORMAT;
- }*/
-
- /* Try to read and decrypt the hashtable */
- if (libmpq_read_hashtable(mpq_a) != 0) {
- return LIBMPQ_EHASHTABLE;
- }
-
- /* Try to read and decrypt the blocktable */
- if (libmpq_read_blocktable(mpq_a) != 0) {
- return LIBMPQ_EBLOCKTABLE;
- }
-
- return LIBMPQ_TOOLS_SUCCESS;
-}
-
-/*
- * This function closes the file descriptor opened by
- * mpq_open_archive(); and frees the decryption buffer.
- */
-int libmpq_archive_close(mpq_archive *mpq_a) {
- memset(mpq_a->buf, 0, sizeof(mpq_a->buf));
-
- /* free the allocated memory. */
- free(mpq_a->header);
- free(mpq_a->mpq_l);
-
- /* Check if file descriptor is valid. */
- if ((_close(mpq_a->fd)) == LIBMPQ_EFILE) {
- return LIBMPQ_EFILE;
- }
-
- return LIBMPQ_TOOLS_SUCCESS;
-}
-
-/*
- * This function returns the value for the given infotype.
- * If an error occurs something < 0 is returned.
- */
-int libmpq_archive_info(mpq_archive *mpq_a, unsigned int infotype) {
- unsigned int filecount = 0;
- unsigned int fsize = 0;
- unsigned int csize = 0;
- mpq_block *mpq_b_end = mpq_a->blocktable + mpq_a->header->blocktablesize;
- mpq_block *mpq_b = NULL;
-
- switch (infotype) {
- case LIBMPQ_MPQ_ARCHIVE_SIZE:
- return mpq_a->header->archivesize;
- case LIBMPQ_MPQ_HASHTABLE_SIZE:
- return mpq_a->header->hashtablesize;
- case LIBMPQ_MPQ_BLOCKTABLE_SIZE:
- return mpq_a->header->blocktablesize;
- case LIBMPQ_MPQ_BLOCKSIZE:
- return mpq_a->blocksize;
- case LIBMPQ_MPQ_NUMFILES:
- for (mpq_b = mpq_a->blocktable; mpq_b < mpq_b_end; mpq_b++) {
- filecount++;
- }
- return filecount;
- case LIBMPQ_MPQ_COMPRESSED_SIZE:
- for (mpq_b = mpq_a->blocktable; mpq_b < mpq_b_end; mpq_b++) {
- csize += mpq_b->csize;
- }
- return csize;
- case LIBMPQ_MPQ_UNCOMPRESSED_SIZE:
- for (mpq_b = mpq_a->blocktable; mpq_b < mpq_b_end; mpq_b++) {
- fsize += mpq_b->fsize;
- }
- return fsize;
- default:
- return LIBMPQ_TOOLS_SUCCESS;
- }
-}
-
-/*
- * This function returns some useful file information.
- */
-int libmpq_file_info(mpq_archive *mpq_a, unsigned int infotype, const unsigned int number) {
- int blockindex = number; //-1;
- int i = 0;
- mpq_block *mpq_b = NULL;
- mpq_hash *mpq_h = NULL;
-
- /* check if given number is not out of range */
- if (number < 1 || number > mpq_a->header->blocktablesize) {
- return LIBMPQ_EINV_RANGE;
- }
-
- /* search for correct hashtable */
- /*for (i = 0; i < mpq_a->header->hashtablesize; i++) {
- if ((number - 1) == (mpq_a->hashtable[i]).blockindex) {
- blockindex = (mpq_a->hashtable[i]).blockindex;
- mpq_h = &(mpq_a->hashtable[i]);
- break;
- }
- }*/
-
- /* check if file was found */
- /*if (blockindex == -1 || blockindex > mpq_a->header->blocktablesize) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }*/
-
- /* check if sizes are correct */
- mpq_b = mpq_a->blocktable + blockindex;
- if (mpq_b->filepos > (mpq_a->header->archivesize + mpq_a->mpqpos) || mpq_b->csize > mpq_a->header->archivesize) {
- return LIBMPQ_EFILE_CORRUPT;
- }
-
- /* check if file exists */
- if ((mpq_b->flags & LIBMPQ_FILE_EXISTS) == 0) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
-
- switch (infotype) {
- case LIBMPQ_FILE_COMPRESSED_SIZE:
- return mpq_b->csize;
- case LIBMPQ_FILE_UNCOMPRESSED_SIZE:
- return mpq_b->fsize;
- case LIBMPQ_FILE_COMPRESSION_TYPE:
- if (mpq_b->flags & LIBMPQ_FILE_COMPRESS_PKWARE) {
- return LIBMPQ_FILE_COMPRESS_PKWARE;
- }
- if (mpq_b->flags & LIBMPQ_FILE_COMPRESS_MULTI) {
- return LIBMPQ_FILE_COMPRESS_MULTI;
- }
- default:
- return LIBMPQ_TOOLS_SUCCESS;
- }
-}
-
-/*
- * This function searches the listfile for the filename.
- * On success it returns the filename, otherwiese a name
- * like file000001.xxx and if number is out of range it
- * returns NULL.
- */
-char *libmpq_file_name(mpq_archive *mpq_a, const int number) {
- static char tempfile[PATH_MAX];
-
- /* check if we are in the range of available files. */
- if (number > libmpq_archive_info(mpq_a, LIBMPQ_MPQ_NUMFILES) || number < 1) {
- return NULL;
- }
-
- /* this is safe because we built a fallback filelist, if something was wrong. */
- sprintf(tempfile, (char *)mpq_a->mpq_l->mpq_files[number - 1], number);
-
- return tempfile;
-}
-
-/*
- * This function returns the number to the given
- * filename.
- */
-int libmpq_file_number(mpq_archive *mpq_a, const char *name) {
- int i;
- char tempfile[PATH_MAX];
-
- for (i = 0; mpq_a->mpq_l->mpq_files[i]; i++) {
- sprintf(tempfile, (char *)mpq_a->mpq_l->mpq_files[i], i + 1);
- if (strncmp(tempfile, name, strlen(name)) == 0) {
-
- /* if file found return the number */
- return i + 1;
- }
- }
-
- /* if no matching entry found return LIBMPQ_EFILE_NOT_FOUND */
- return LIBMPQ_EFILE_NOT_FOUND;
-}
-
-/*
- * This function verifies if a given file (by number
- * or name) is in the opened mpq archive. On success
- * it returns 0, otherwise LIBMPQ_EFILE_NOT_FOUND.
- */
-int libmpq_file_check(mpq_archive *mpq_a, void *file, int type) {
- int found = 0;
- int i;
- char tempfile[PATH_MAX];
-
- switch (type) {
- case LIBMPQ_FILE_TYPE_INT:
-
- /* check if we are in the range of available files. */
- if (*(int *)file > libmpq_archive_info(mpq_a, LIBMPQ_MPQ_NUMFILES) || *(int *)file < 1) {
- return LIBMPQ_EFILE_NOT_FOUND;
- } else {
- return LIBMPQ_TOOLS_SUCCESS;
- }
- case LIBMPQ_FILE_TYPE_CHAR:
- for (i = 0; mpq_a->mpq_l->mpq_files[i]; i++) {
- sprintf(tempfile, (char *)mpq_a->mpq_l->mpq_files[i], i);
- if (strncmp(tempfile, (char *)file, strlen((char *)file)) == 0) {
-
- /* if file found break */
- found = 1;
- break;
- }
- }
-
- /* if a file was found return 0 */
- if (found == 1) {
- return LIBMPQ_TOOLS_SUCCESS;
- } else {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
- default:
- return LIBMPQ_TOOLS_SUCCESS;
- }
-}
-
-/*
- * This function extracts a file from a MPQ archive
- * by the given number.
- */
-int libmpq_file_extract(mpq_archive *mpq_a, const int number, const char *filename) {
- int blockindex = number; //-1;
- int fd = 0;
- int i = 0;
- char buffer[0x1000];
- //char tempfile[PATH_MAX];
- unsigned int transferred = 1;
- mpq_file *mpq_f = NULL;
- mpq_block *mpq_b = NULL;
- mpq_hash *mpq_h = NULL;
-
-/* if (number < 1 || number > mpq_a->header->blocktablesize) {
- return LIBMPQ_EINV_RANGE;
- }*/
-/*
- sprintf(tempfile, libmpq_file_name(mpq_a, number));
-*/
- /* check if mpq_f->filename could be written here. */
- fd = _open(filename, O_RDWR|O_CREAT|O_TRUNC, 0644);
- if (fd == LIBMPQ_EFILE) {
- return LIBMPQ_EFILE;
- }
-
- /* search for correct hashtable */
- /*for (i = 0; i < mpq_a->header->hashtablesize; i++) {
- if ((number - 1) == (mpq_a->hashtable[i]).blockindex) {
- blockindex = (mpq_a->hashtable[i]).blockindex;
- mpq_h = &(mpq_a->hashtable[i]);
- break;
- }
- }*/
-
- /* check if file was found */
- if (blockindex == -1 || blockindex > mpq_a->header->blocktablesize) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
-
- /* check if sizes are correct */
- mpq_b = mpq_a->blocktable + blockindex;
- if (mpq_b->filepos > (mpq_a->header->archivesize + mpq_a->mpqpos) || mpq_b->csize > mpq_a->header->archivesize) {
- return LIBMPQ_EFILE_CORRUPT;
- }
-
- /* check if file exists */
- if ((mpq_b->flags & LIBMPQ_FILE_EXISTS) == 0) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
-
- /* allocate memory for file structure */
- mpq_f = (mpq_file *)malloc(sizeof(mpq_file));
- if (!mpq_f) {
- return LIBMPQ_EALLOCMEM;
- }
-
- /* initialize file structure */
- memset(mpq_f, 0, sizeof(mpq_file));
- mpq_f->fd = fd;
- mpq_f->mpq_b = mpq_b;
- mpq_f->nblocks = (mpq_f->mpq_b->fsize + mpq_a->blocksize - 1) / mpq_a->blocksize;
- mpq_f->mpq_h = mpq_h;
- mpq_f->accessed = FALSE;
- mpq_f->blockposloaded = FALSE;
- sprintf((char *)mpq_f->filename, filename);
-
- /* allocate buffers for decompression. */
- if (mpq_f->mpq_b->flags & LIBMPQ_FILE_COMPRESSED) {
-
- /*
- * Allocate buffer for block positions. At the begin of file are stored
- * unsigned ints holding positions of each block relative from begin of
- * file in the archive.
- */
- if ((mpq_f->blockpos = (unsigned int *)malloc(sizeof(int) * mpq_f->nblocks + 1)) == NULL) {
- return LIBMPQ_EALLOCMEM;
- }
- }
-
- while (transferred > 0) {
- transferred = libmpq_file_read_file(mpq_a, mpq_f, mpq_f->filepos, buffer, sizeof(buffer));
- if (transferred == 0) {
- break;
- } else {
- mpq_f->accessed = TRUE;
- mpq_f->filepos += transferred;
- }
-
- transferred = _write(mpq_f->fd, buffer, transferred);
- if (transferred == 0) {
- break;
- }
- }
-
- _close(fd);
-
- /* freeing the file structure */
- free(mpq_f);
- return LIBMPQ_TOOLS_SUCCESS;
-}
-
-/*
- * This function tries to get the filenames for the hashes. It uses
- * an internal listfile database and gets the correct listfile from
- * some specific archive informations.
- */
-
-int libmpq_listfile_open(mpq_archive *mpq_a, char file[PATH_MAX]) {
- FILE *fp;
- //char **filelist;
- int i = 0;
- //int fl_count;
- //int fl_size;
- int fl_count_fb;
- int fl_size_fb;
- int result = LIBMPQ_TOOLS_SUCCESS;
- struct stat statbuf;
-
- /* get file status */
- if (stat(file, &statbuf) < 0) {
- result = LIBMPQ_CONF_EFILE_NOT_FOUND;
- }
-
- /* check if file is a filename or directory */
- /*if (S_ISDIR(statbuf.st_mode)) {
-
- // allocate memory for the file list
- filelist = (char **)malloc(LIBMPQ_CONF_FL_INCREMENT * sizeof(char *));
- fl_count = 0;
- fl_size = LIBMPQ_CONF_FL_INCREMENT;
-
- // check if it is a valid listfile
- if (libmpq_detect_listfile_rec(file, &filelist, &fl_count, &fl_size)) {
- filelist == NULL;
- }
-
- filelist[fl_count] = NULL;
-
- // return if no listfile was found
- if (filelist == NULL) {
- result = LIBMPQ_CONF_EFILE_NOT_FOUND;
- }
-
- for (i = 0; filelist[i]; i++) {
- if ((fp = fopen(filelist[i], "r")) != NULL ) {
- result = libmpq_read_listfile(mpq_a, fp);
- fclose(fp);
- }
- }
-
- // freeing the listfile struct
- libmpq_free_listfile(filelist);
- }*/
-
- /* if file is a regular file use it */
- //if (S_ISREG(statbuf.st_mode)) {
-
- /* if specific listfile was forced. */
- if ((fp = fopen(file, "r")) != NULL ) {
- result = libmpq_read_listfile(mpq_a, fp);
- fclose(fp);
- } else {
- result = LIBMPQ_CONF_EFILE_OPEN;
- }
- //}
-
- /* if error occured we need to create a fallback filelist. */
- if (mpq_a->mpq_l->mpq_files == NULL) {
-
- /* allocate memory for the file list */
- mpq_a->mpq_l->mpq_files = (unsigned char **)malloc(LIBMPQ_CONF_FL_INCREMENT * sizeof(char *));
- fl_count_fb = 0;
- fl_size_fb = LIBMPQ_CONF_FL_INCREMENT;
-
- for (i = 0; i < libmpq_archive_info(mpq_a, LIBMPQ_MPQ_NUMFILES); i++) {
-
- /* set the next filelist entry to a copy of the file */
- mpq_a->mpq_l->mpq_files[fl_count_fb++] = (unsigned char *)_strdup("file%06lu.xxx");
-
- /* increase the array size */
- if (fl_count_fb == fl_size_fb) {
- mpq_a->mpq_l->mpq_files = (unsigned char **)realloc(mpq_a->mpq_l->mpq_files, (fl_size_fb + LIBMPQ_CONF_FL_INCREMENT) * sizeof(char *));
- fl_size_fb += LIBMPQ_CONF_FL_INCREMENT;
- }
- }
- mpq_a->mpq_l->mpq_files[fl_count_fb] = NULL;
-
- /* if no error occurs and no listfile was assigned, we think there was no matching listfile. */
- if (result == 0) {
- result = LIBMPQ_CONF_EFILE_NOT_FOUND;
- }
- }
-
- return result;
-}
-
-/*
- * This function frees the allocated memory for the listfile.
- */
-int libmpq_listfile_close(mpq_archive *mpq_a) {
- int i = 0;
-
- /* safety check if we really have a filelist. */
- if (mpq_a->mpq_l->mpq_files != NULL) {
- /* freeing the filelist */
- while (mpq_a->mpq_l->mpq_files[i]) {
- free(mpq_a->mpq_l->mpq_files[i++]);
- }
- free(mpq_a->mpq_l->mpq_files);
- }
- return 0;
-}
-
-int libmpq_file_getdata(mpq_archive *mpq_a, mpq_hash mpq_h, const int number, unsigned char *dest) {
- int blockindex = number; //-1;
- int i = 0;
- mpq_file *mpq_f = NULL;
- mpq_block *mpq_b = NULL;
- int success = 0;
-
- /*if (number < 1 || number > mpq_a->header->blocktablesize) {
- return LIBMPQ_EINV_RANGE;
- }*/
-
- /* search for correct hashtable */
- /*for (i = 0; i < mpq_a->header->hashtablesize; i++) {
- if ((number - 1) == (mpq_a->hashtable[i]).blockindex) {
- blockindex = (mpq_a->hashtable[i]).blockindex;
- mpq_h = &(mpq_a->hashtable[i]);
- break;
- }
- }*/
-
- /* check if file was found */
- if (blockindex == -1 || blockindex > mpq_a->header->blocktablesize) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
-
- /* check if sizes are correct */
- mpq_b = mpq_a->blocktable + blockindex;
- if (mpq_b->filepos > (mpq_a->header->archivesize + mpq_a->mpqpos) || mpq_b->csize > mpq_a->header->archivesize) {
- return LIBMPQ_EFILE_CORRUPT;
- }
-
- /* check if file exists */
- if ((mpq_b->flags & LIBMPQ_FILE_EXISTS) == 0) {
- return LIBMPQ_EFILE_NOT_FOUND;
- }
-
- /* allocate memory for file structure */
- mpq_f = (mpq_file*)malloc(sizeof(mpq_file));
- if (!mpq_f) {
- return LIBMPQ_EALLOCMEM;
- }
-
- /* initialize file structure */
- memset(mpq_f, 0, sizeof(mpq_file));
- mpq_f->mpq_b = mpq_b;
- mpq_f->nblocks = (mpq_f->mpq_b->fsize + mpq_a->blocksize - 1) / mpq_a->blocksize;
- mpq_f->mpq_h = &mpq_h;
- mpq_f->accessed = FALSE;
- mpq_f->blockposloaded = FALSE;
-
- /* allocate buffers for decompression. */
- if (mpq_f->mpq_b->flags & LIBMPQ_FILE_COMPRESSED) {
-
- /*
- * Allocate buffer for block positions. At the begin of file are stored
- * unsigned ints holding positions of each block relative from begin of
- * file in the archive.
- */
- if ((mpq_f->blockpos = (unsigned int*)malloc(sizeof(int) * (mpq_f->nblocks + 1))) == NULL) {
- return LIBMPQ_EALLOCMEM;
- }
- }
-
- if(libmpq_file_read_file(mpq_a, mpq_f, 0, (char*)dest, mpq_b->fsize) == mpq_b->fsize)
- success = 1;
-
- if (mpq_f->mpq_b->flags & LIBMPQ_FILE_COMPRESSED) {
- // Free buffer for block positions
-
- free(mpq_f->blockpos);
- }
- /* freeing the file structure */
- free(mpq_f);
- return success?LIBMPQ_TOOLS_SUCCESS:LIBMPQ_EFILE_CORRUPT;
-}
-