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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <stdbool.h>
#include <dirent.h>
#define VERSION "0.2"
static unsigned char* int2le(unsigned int val)
{
static unsigned char addr[4];
addr[0] = val & 0xff;
addr[1] = (val >> 8) & 0xff;
addr[2] = (val >> 16) & 0xff;
addr[3] = (val >> 24) & 0xff;
return addr;
}
static unsigned int le2int(unsigned char* buf)
{
unsigned int res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
return res;
}
#ifdef _WIN32
#define PATH_SEPARATOR "\\"
#else
#define PATH_SEPARATOR "/"
#endif
#ifndef _WIN32
#define MIN(a, b) (a > b ? b : a)
static char* replace(char* str)
{
static char tmp[255];
memcpy(tmp, str, MIN(strlen(str), 255));
char *ptr = tmp;
while(*ptr != 0)
{
if(*ptr == 0x2F) /* /*/
*ptr = 0x5C; /* \ */
ptr++;
}
return tmp;
}
#endif
static bool is_dir(const char* name1, const char* name2)
{
char *name;
DIR *directory;
name = (char*)malloc(strlen(name1)+strlen(name2)+1);
strcpy(name, name1);
strcat(name, name2);
directory = opendir(name);
free(name);
if(directory)
{
closedir(directory);
return true;
}
else
return false;
}
unsigned int _filesize(FILE* fd)
{
unsigned int tmp, oldpos;
oldpos = ftell(fd);
fseek(fd, 0, SEEK_END);
tmp = ftell(fd);
fseek(fd, oldpos, SEEK_SET);
return tmp;
}
#define WRITE(x, len) if(fwrite(x, len, 1, outfile) != 1) \
{ \
closedir(indir_handle); \
if(filesize > 0) \
free(buffer); \
fprintf(stderr, "[ERR] Error writing to file\n"); \
return; \
}
static void merge_hxf(const char* indir, FILE* outfile, const char* add)
{
DIR *indir_handle;
struct dirent *dirs;
char dir[255];
strcpy(dir, indir);
strcat(dir, add);
if((indir_handle = opendir(dir)) == NULL)
{
fprintf(stderr, "[ERR] Error opening dir %s\n", indir);
return;
}
while((dirs = readdir(indir_handle)) != NULL)
{
if(strcmp(dirs->d_name, "..") != 0 &&
strcmp(dirs->d_name, ".") != 0)
{
fprintf(stderr, "[INFO] %s\%s\n", add, dirs->d_name);
if(is_dir(dir, dirs->d_name))
{
char dir2[255];
strcpy(dir2, add);
strcat(dir2, dirs->d_name);
strcat(dir2, PATH_SEPARATOR);
merge_hxf(indir, outfile, dir2);
}
else
{
FILE *filehandle;
unsigned char *buffer;
char file[255];
unsigned int filesize;
strcpy(file, dir);
strcat(file, dirs->d_name);
if((filehandle = fopen(file, "rb")) == NULL)
{
fprintf(stderr, "[ERR] Cannot open %s\n", file);
closedir(indir_handle);
return;
}
filesize = _filesize(filehandle);
if(filesize > 0)
{
buffer = (unsigned char*)malloc(filesize);
if(buffer == NULL)
{
fclose(filehandle);
closedir(indir_handle);
fprintf(stderr, "[ERR] Cannot allocate memory\n");
return;
}
if(fread(buffer, filesize, 1, filehandle) != 1)
{
fclose(filehandle);
closedir(indir_handle);
free(buffer);
fprintf(stderr, "[ERR] Cannot read from %s%s%s\n", add, PATH_SEPARATOR, dirs->d_name);
return;
}
}
fclose(filehandle);
if(strlen(add)>0)
{
#ifdef _DIRENT_HAVE_D_NAMLEN
WRITE(int2le(dirs->d_namlen+strlen(add)), 4);
#else
WRITE(int2le(strlen(dirs->d_name)+strlen(add)), 4);
#endif
#ifndef _WIN32
WRITE(replace((char*)add), strlen(add)-1);
#else
WRITE(add, strlen(add)-1);
#endif
WRITE(PATH_SEPARATOR, 1);
#ifdef _DIRENT_HAVE_D_NAMLEN
WRITE(dirs->d_name, dirs->d_namlen);
#else
WRITE(dirs->d_name, strlen(dirs->d_name));
#endif
}
else
{
#ifdef _DIRENT_HAVE_D_NAMLEN
WRITE(int2le(dirs->d_namlen), 4);
WRITE(dirs->d_name, dirs->d_namlen);
#else
WRITE(int2le(strlen(dirs->d_name)), 4);
WRITE(dirs->d_name, strlen(dirs->d_name));
#endif
}
WRITE(int2le(filesize), 4);
if(filesize>0)
{
WRITE(buffer, filesize);
free(buffer);
}
}
}
}
closedir(indir_handle);
}
static void print_usage(void)
{
#ifdef _WIN32
fprintf(stderr, "Usage: hxfmerge.exe [INPUT_DIR] [FW]\n\n");
fprintf(stderr, "Example: hxfmerge.exe VX747_extracted\\ VX747.HXF\n\n");
#else
fprintf(stderr, "Usage: HXFmerge [INPUT_DIR] [FW]\n\n");
fprintf(stderr, "Example: HXFmerge VX747_extracted/ VX747.HXF\n\n");
#endif
}
static int checksum(FILE *file)
{
int oldpos = ftell(file);
int ret=0, i, filesize = _filesize(file)-0x40;
unsigned char *buf;
buf = (unsigned char*)malloc(filesize);
if(buf == NULL)
{
fseek(file, oldpos, SEEK_SET);
fprintf(stderr, "[ERR] Error while allocating memory\n");
return 0;
}
fseek(file, 0x40, SEEK_SET);
if(fread(buf, filesize, 1, file) != 1)
{
free(buf);
fseek(file, oldpos, SEEK_SET);
fprintf(stderr, "[ERR] Error while reading from file\n");
return 0;
}
fprintf(stderr, "[INFO] Computing checksum...");
for(i = 0; i < filesize; i+=4)
ret += le2int(&buf[i]);
free(buf);
fseek(file, oldpos, SEEK_SET);
fprintf(stderr, " Done!\n");
return ret;
}
int main(int argc, char *argv[])
{
FILE *outfile;
fprintf(stderr, "HXFmerge v" VERSION " - (C) 2008 Maurus Cuelenaere\n");
fprintf(stderr, "This is free software; see the source for copying conditions. There is NO\n");
fprintf(stderr, "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
if(argc != 3)
{
print_usage();
return 1;
}
#ifdef _WIN32
if(strcmp((char*)(argv[1]+strlen(argv[1])-1), "\\") != 0)
{
fprintf(stderr, "[ERR] Input path must end with a \\\n");
#else
if(strcmp((char*)(argv[1]+strlen(argv[1])-1), "/") != 0)
{
fprintf(stderr, "[ERR] Input path must end with a /\n");
#endif
return 2;
}
if((outfile = fopen(argv[2], "wb+")) == NULL)
{
fprintf(stderr, "[ERR] Cannot open %s\n", argv[2]);
return 3;
}
fseek(outfile, 0x40, SEEK_SET);
merge_hxf(argv[1], outfile, "");
fflush(outfile);
fprintf(stderr, "[INFO] Filling header...\n");
#undef WRITE
#define WRITE(x, len) if(fwrite(x, len, 1, outfile) != 1) \
{ \
fprintf(stderr, "[ERR] Cannot write to %s\n", argv[1]); \
fclose(outfile); \
return 4; \
}
fflush(outfile);
fseek(outfile, 0, SEEK_SET);
WRITE("WADF0100200804111437", 20);
WRITE(int2le(_filesize(outfile)), 4);
WRITE(int2le(checksum(outfile)), 4);
WRITE(int2le(0), 4);
WRITE("Chinachip PMP firmware V1.0\0\0\0\0\0", 32);
fclose(outfile);
fprintf(stderr, "[INFO] Done!\n");
return 0;
}
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