rockbox/utils/jz4740_tools/HXFsplit.c
Maurus Cuelenaere 6fd40a57b8 Jz4740 Tools:
* update Makefile
 * add README
 * update svn properties
 * fix small mistakes


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17926 a1c6a512-1295-4272-9138-f99709370657
2008-07-03 12:17:56 +00:00

321 lines
8.3 KiB
C

/***************************************************************************
* __________ __ ___.
* 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>
#define VERSION "0.2"
struct header{
char main_header[20];
unsigned int size;
unsigned int checksum;
unsigned int unknown;
char other_header[32];
};
static char* basepath(char* path)
{
static char tmp[255];
char *ptr, *ptr2, *ptr3;
ptr = path;
ptr2 = (char*)tmp;
#ifdef _WIN32
ptr3 = strrchr(path, 0x5C);
#else
ptr3 = strrchr(path, 0x2F);
#endif
while((int)ptr < (int)ptr3)
{
*ptr2 = *ptr;
ptr++;
ptr2++;
}
#ifdef _WIN32
*ptr2 = 0x5C;
#else
*ptr2 = 0x2F;
#endif
ptr2++;
*ptr2 = 0;
return (char*)tmp;
}
#ifndef _WIN32
static void replace(char* str)
{
char *ptr = str;
while(*ptr != 0)
{
if(*ptr == 0x5C) /* \ */
*ptr = 0x2F; /* / */
ptr++;
}
}
#endif
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
static unsigned int __mkdir(const char *path)
{
char opath[256];
char *p;
size_t len;
strncpy(opath, path, sizeof(opath));
len = strlen(opath);
if(opath[len - 1] == PATH_SEPARATOR)
opath[len - 1] = '\0';
for(p = opath; *p; p++)
if(*p == PATH_SEPARATOR)
{
*p = '\0';
if(access(opath, F_OK))
#ifdef _WIN32
mkdir(opath);
#else
mkdir(opath, S_IRWXU);
#endif
*p = PATH_SEPARATOR;
}
if(access(opath, F_OK))
#ifdef _WIN32
return mkdir(opath);
#else
return mkdir(opath, S_IRWXU);
#endif
else
return -1;
}
#if 0
static bool dir_exists(const char *dir)
{
struct stat buf;
memset(&buf, 0, sizeof(struct stat));
printf("start: %s\n", dir);
char *dir_cpy = (char*)malloc(strlen(dir));
strcpy(dir_cpy, dir);
printf("%s\n", dir_cpy);
int tmp = (int)dir_cpy;
while(*dir_cpy != 0)
{
dir_cpy++;
if(*dir_cpy == PATH_SEPARATOR && *(dir_cpy+1) == 0)
*dir_cpy = 0;
}
printf("while_done\n");
dir_cpy = (char*)tmp;
printf("statting %s...\n", dir_cpy);
tmp = stat(dir_cpy, &buf);
printf("chk_dir(%s) = %d\n", dir_cpy, tmp);
free(dir_cpy);
return tmp == 0;
}
#endif
static bool file_exists(const char *file)
{
struct stat buf;
return stat(file, &buf) == 0;
}
static int split_hxf(const unsigned char* infile, unsigned int size, const char* outpath)
{
FILE *outfile;
char *filename;
unsigned int filenamesize, filesize;
while(size > 0)
{
filenamesize = le2int((unsigned char*)infile);
infile += 4;
size -= 4;
if(size > 0)
{
filename = (char*)calloc(1, filenamesize+1+strlen(outpath));
memcpy(filename, outpath, strlen(outpath));
memcpy(&filename[strlen(outpath)], infile, filenamesize);
#ifndef _WIN32
replace(filename);
#endif
infile += filenamesize + 1; /* + padding */
size -= filenamesize + 1;
filesize = le2int((unsigned char*)infile);
infile += 4;
size -= 4;
#if 0
if(!dir_exists(basepath(filename)))
#endif
{
printf("[INFO] %s\n", basepath(filename));
if(__mkdir(basepath(filename)) != 0)
{
#if 0
fprintf(stderr, "[ERR] Error creating directory %s\n", basepath(filename));
return -3;
#endif
}
}
if(!file_exists(filename))
{
printf("[INFO] %s: %d bytes\n", filename, filesize);
if((outfile = fopen(filename, "wb")) == NULL)
{
fprintf(stderr, "[ERR] Error opening file %s\n", filename);
return -1;
}
if(filesize>0)
{
if(fwrite(infile, filesize, 1, outfile) != 1)
{
fclose(outfile);
fprintf(stderr, "[ERR] Error writing to file %s\n", filename);
return -2;
}
}
fclose(outfile);
}
infile += filesize;
size -= filesize;
}
}
return 0;
}
static void print_usage(void)
{
#ifdef _WIN32
fprintf(stderr, "Usage: hxfsplit.exe [FW] [OUTPUT_DIR]\n\n");
fprintf(stderr, "Example: hxfsplit.exe VX747.HXF VX747_extracted\\\n\n");
#else
fprintf(stderr, "Usage: HXFsplit [FW] [OUTPUT_DIR]\n\n");
fprintf(stderr, "Example: HXFsplit VX747.HXF VX747_extracted/\n\n");
#endif
}
int main(int argc, char *argv[])
{
FILE *infile;
struct header hdr;
unsigned char *inbuffer;
fprintf(stderr, "HXFsplit 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[2]+strlen(argv[2])-1), "\\") != 0)
{
fprintf(stderr, "[ERR] Output path must end with a \\\n");
#else
if(strcmp((char*)(argv[2]+strlen(argv[2])-1), "/") != 0)
{
fprintf(stderr, "[ERR] Output path must end with a /\n");
#endif
return 2;
}
if((infile = fopen(argv[1], "rb")) == NULL)
{
fprintf(stderr, "[ERR] Cannot open %s\n", argv[1]);
return 3;
}
if((inbuffer = (unsigned char*)malloc(sizeof(struct header))) == NULL)
{
fclose(infile);
fprintf(stderr, "[ERR] Error allocating %d bytes buffer\n", sizeof(struct header));
return 4;
}
if(fread(inbuffer, sizeof(struct header), 1, infile) != 1)
{
fclose(infile);
fprintf(stderr, "Cannot read header of %s\n", argv[1]);
return 5;
}
memcpy(hdr.main_header, inbuffer, 20);
hdr.size = le2int(&inbuffer[20]);
hdr.checksum = le2int(&inbuffer[24]);
hdr.unknown = le2int(&inbuffer[28]);
memcpy(hdr.other_header, &inbuffer[32], 32);
free(inbuffer);
if(strcmp(hdr.other_header, "Chinachip PMP firmware V1.0") != 0)
{
fclose(infile);
fprintf(stderr, "[ERR] Header doesn't match\n");
return 6;
}
if((inbuffer = (unsigned char*)malloc(hdr.size)) == NULL)
{
fclose(infile);
fprintf(stderr, "[ERR] Error allocating %d bytes buffer\n", hdr.size);
return 7;
}
fseek(infile, sizeof(struct header), SEEK_SET);
if(fread(inbuffer, hdr.size-sizeof(struct header), 1, infile) != 1)
{
fclose(infile);
free(inbuffer);
fprintf(stderr, "[ERR] Cannot read file in buffer\n");
return 8;
}
fclose(infile);
split_hxf(inbuffer, hdr.size-sizeof(struct header), argv[2]);
free(inbuffer);
return 0;
}