diff options
Diffstat (limited to 'package/kernel/lantiq/ltq-vdsl-fw/src/w921v_fw_cutter.c')
| -rw-r--r-- | package/kernel/lantiq/ltq-vdsl-fw/src/w921v_fw_cutter.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/package/kernel/lantiq/ltq-vdsl-fw/src/w921v_fw_cutter.c b/package/kernel/lantiq/ltq-vdsl-fw/src/w921v_fw_cutter.c deleted file mode 100644 index fcd0106e45..0000000000 --- a/package/kernel/lantiq/ltq-vdsl-fw/src/w921v_fw_cutter.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * 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; -} |