suche norunpkg

[c]/*
# ../norunpkg norflash.bin norflash
unpacking asecure_loader (size: 190xxx bytes)…
unpacking eEID (size: 65536 bytes)…
unpacking cISD (size: 2048 bytes)…
unpacking cCSD (size: 2048 bytes)…
unpacking trvk_prg0 (size: 131072 bytes)…
unpacking trvk_prg1 (size: 131072 bytes)…
unpacking trvk_pkg0 (size: 131072 bytes)…
unpacking trvk_pkg1 (size: 131072 bytes)…
unpacking ros0 (size: 7340032 bytes)…
unpacking ros1 (size: 7340032 bytes)…
unpacking cvtrm (size: 262144 bytes)…
*/


// Copyright 2010 Sven Peter
// Licensed under the terms of the GNU GPL, version 2
// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
// nor modifications by rms.


#include "tools.h"
#include "types.h"


#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>


#ifdef WIN32
#define MKDIR(x,y) mkdir(x)
#else
#define MKDIR(x,y) mkdir(x,y)
#endif


u8 *pkg = NULL;


static void unpack_file(u32 i)
{
u8 *ptr;
u8 name[33];
u64 offset;
u64 size;


ptr = pkg + 0×10 + 0×30 * i;


offset = be64(ptr + 0×00);
size = be64(ptr + 0×08);


memset(name, 0, sizeof name);
strncpy((char *)name, (char *)(ptr + 0×10), 0×20);


printf("unpacking %s (size: %d bytes)…\n", name, size);
memcpy_to_file((char *)name, pkg + offset, size);
}


static void unpack_pkg(void)
{
u32 n_files;
u64 size;
u32 i;


n_files = be32(pkg + 4);
size = be64(pkg + 8);


for (i = 0; i &lt; n_files; i++)
unpack_file(i);
}


int main(int argc, char *argv[])
{
if (argc != 3)
fail("usage: norunpkg filename.nor target");


pkg = mmap_file(argv[1]);


/* kludge for header, i do not do sanity checks at the moment */
pkg += 1024;


MKDIR(argv[2], 0777);


if (chdir(argv[2]) != 0)
fail("chdir");


unpack_pkg();


return 0;
}[/c]