+++ /dev/null
-/*
- * 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; version 2 of the License
- *
- * 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.
- *
- * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#include "LzmaWrapper.h"
-
-#define FW_NAME "/tmp/Firmware_Speedport_W921V_1.21.000.bin"
-
-#define MAGIC 0x50
-#define MAGIC_SZ 0x3FFC00
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define MAGIC_PART 0x12345678
-#define MAGIC_LZMA 0x8000005D
-#define MAGIC_ANNEX_B 0x3C
-#define MAGIC_TAPI 0x5A
-#else
-#define MAGIC_PART 0x78563412
-#define MAGIC_LZMA 0x5D000080
-#define MAGIC_ANNEX_B 0x3C000000
-#define MAGIC_TAPI 0x5A000000
-#endif
-
-
-const char* part_type(unsigned int id)
-{
- switch(id) {
- case MAGIC_ANNEX_B:
- return "/tmp/vr9_dsl_fw_annex_b.bin";
- case MAGIC_TAPI:
- return "/tmp/vr9_tapi_fw.bin";
- }
- printf("\tUnknown lzma type 0x%02X\n", id);
- return "/tmp/unknown.lzma";
-}
-
-int main(int argc, char **argv)
-{
- struct stat s;
- unsigned char *buf_orig;
- unsigned int *buf;
- int buflen;
- int fd;
- int i;
- int err;
- int start = 0, end = 0;
-
- printf("Arcadyan Firmware cutter v0.1\n");
- printf("-----------------------------\n");
- printf("This tool extracts the different parts of an arcadyan firmware update file\n");
- printf("This tool is for private use only. The Firmware that gets extracted has a license that forbids redistribution\n");
- printf("Please only run this if you understand the risks\n\n");
- printf("I understand the risks ? (y/N)\n");
-
- if (getchar() != 'y')
- return -1;
-
- if (stat(FW_NAME, &s) != 0) {
- printf("Failed to find %s\n", FW_NAME);
- printf("Ask Google or try http://hilfe.telekom.de/dlp/eki/downloads/Speedport/Speedport%20W%20921V/Firmware_Speedport_W921V_1.21.000.bin\n");
- return -1;
- }
-
- buf_orig = malloc(s.st_size);
- buf = malloc(s.st_size);
- if (!buf_orig || !buf) {
- printf("Failed to alloc %d bytes\n", s.st_size);
- return -1;
- }
-
- fd = open(FW_NAME, O_RDONLY);
- if (fd < 0) {
- printf("Unable to open %s\n", FW_NAME);
- return -1;
- }
-
-
- buflen = read(fd, buf_orig, s.st_size);
- close(fd);
- if (buflen != s.st_size) {
- printf("Loaded %d instead of %d bytes inside %s\n", buflen, s.st_size, FW_NAME);
- return -1;
- }
-
- /* <magic> */
- buf_orig++;
- buflen -= 1;
- for (i = 0; i < MAGIC_SZ; i++) {
- if ((i % 16) < 3)
- buf_orig[i] = buf_orig[i + 16] ^ MAGIC;
- else
- buf_orig[i] = buf_orig[i] ^ MAGIC;
- }
- buflen -= 3;
- memmove(&buf_orig[MAGIC_SZ], &buf_orig[MAGIC_SZ + 3], buflen - MAGIC_SZ);
- memcpy(buf, buf_orig, s.st_size);
-
- /* </magic> */
- do {
- if (buf[end] == MAGIC_PART) {
- end += 2;
- printf("Found partition at 0x%08X with size %d\n",
- start * sizeof(unsigned int),
- (end - start) * sizeof(unsigned int));
- if (buf[start] == MAGIC_LZMA) {
- int dest_len = 1024 * 1024;
- int len = buf[end - 3];
- unsigned int id = buf[end - 6];
- const char *type = part_type(id);
- unsigned char *dest;
-
- dest = malloc(dest_len);
- if (!dest) {
- printf("Failed to alloc dest buffer\n");
- return -1;
- }
-
- if (lzma_inflate((unsigned char*)&buf[start], len, dest, &dest_len)) {
- printf("Failed to decompress data\n");
- return -1;
- }
-
- fd = creat(type, S_IRUSR | S_IWUSR);
- if (fd != -1) {
- if (write(fd, dest, dest_len) != dest_len)
- printf("\tFailed to write %d bytes\n", dest_len);
- else
- printf("\tWrote %d bytes to %s\n", dest_len, type);
- close(fd);
- } else {
- printf("\tFailed to open %s\n", type);
- }
- free(dest);
- } else {
- printf("\tThis is not lzma\n");
- }
- start = end;
- } else {
- end++;
- }
- } while(end < buflen / sizeof(unsigned int));
-
- return 0;
-}
projects / openwrt / svn-archive / archive.git / blobdiff