aboutsummaryrefslogtreecommitdiffstats
path: root/package/utils/rbextract/src/rbextract.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/utils/rbextract/src/rbextract.c')
-rw-r--r--package/utils/rbextract/src/rbextract.c497
1 files changed, 0 insertions, 497 deletions
diff --git a/package/utils/rbextract/src/rbextract.c b/package/utils/rbextract/src/rbextract.c
deleted file mode 100644
index e75d74957a..0000000000
--- a/package/utils/rbextract/src/rbextract.c
+++ /dev/null
@@ -1,497 +0,0 @@
-/*
- * RouterBoot helper routines
- *
- * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2018 Chris Schimp <silverchris@gmail.com>
- * Copyright (C) 2019 Robert Marko <robimarko@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- */
-
-#include <stdio.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#include <string.h>
-#include <endian.h>
-#include <arpa/inet.h>
-
-#include <lzo/lzo1x.h>
-
-#include "rle.h"
-#include "routerboot.h"
-
-inline uint32_t
-get_u32(const void *buf)
-{
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- return *(uint32_t *)buf;
-#elif __BYTE_ORDER == __BIG_ENDIAN
- const uint8_t *p = buf;
- return ((uint32_t) p[3] + ((uint32_t) p[2] << 8) +
- ((uint32_t) p[1] << 16) + ((uint32_t) p[0] << 24));
-#else
-#error "Unknown byte order!"
-#endif
-}
-
-int
-routerboot_find_tag(uint8_t *buf, unsigned int buflen, uint16_t tag_id,
- uint8_t **tag_data, uint16_t *tag_len)
-{
- uint16_t id;
- uint16_t len;
- uint32_t magic;
- bool align = false;
- int ret;
-
- if (buflen < 4)
- return 1;
-
- magic = get_u32(buf);
-
- switch (magic) {
- case RB_MAGIC_LZOR:
- buf += 4;
- buflen -= 4;
- break;
- case RB_MAGIC_ERD:
- align = true;
- /* fall trough */
- case RB_MAGIC_HARD:
- /* skip magic value */
- buf += 4;
- buflen -= 4;
- break;
-
- case RB_MAGIC_SOFT:
- if (buflen < 8)
- return 1;
-
- /* skip magic and CRC value */
- buf += 8;
- buflen -= 8;
-
- break;
-
- default:
- return 1;
- }
-
- ret = 1;
- while (buflen > 4){
- uint32_t id_and_len = get_u32(buf);
- buf += 4;
- buflen -= 4;
- id = id_and_len & 0xFFFF;
- len = id_and_len >> 16;
-
- if (align)
- len += (4 - len % 4) % 4;
-
- if (id == RB_ID_TERMINATOR) {
- break;
- }
-
- if (buflen < len)
- break;
-
- if (id == tag_id) {
- *tag_len = len;
- *tag_data = buf;
- ret = 0;
- break;
- }
-
- buf += len;
- buflen -= len;
- }
-
- return ret;
-}
-
-inline int
-rb_find_hard_cfg_tag(uint16_t tag_id, uint8_t **tag_data, uint16_t *tag_len)
-{
- if (!rb_hardconfig ||
- !rb_hardconfig_len)
- return 1;
-
- return routerboot_find_tag(rb_hardconfig,
- rb_hardconfig_len,
- tag_id, tag_data, tag_len);
-}
-
-const uint8_t *
-rb_get_board_product_code(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_BOARD_PRODUCT_CODE, &tag, &tag_len);
- if (err)
- return NULL;
-
- return tag;
-}
-
-uint32_t
-rb_get_board_mac(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_MAC_ADDRESS_PACK, &tag, &tag_len);
- if (err)
- return 0;
-
- return htonl(get_u32(tag));
-}
-
-const uint8_t *
-rb_get_board_serial(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_SERIAL_NUMBER, &tag, &tag_len);
- if (err)
- return NULL;
-
- return tag;
-}
-
-const uint8_t *
-rb_get_board_identifier(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_BOARD_IDENTIFIER, &tag, &tag_len);
- if (err)
- return NULL;
-
- return tag;
-}
-
-const uint8_t *
-rb_get_board_name(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_BOARD_NAME, &tag, &tag_len);
- if (err)
- return NULL;
-
- return tag;
-}
-
-const uint8_t *
-rb_get_factory_booter_version(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_BIOS_VERSION, &tag, &tag_len);
- if (err)
- return NULL;
-
- return tag;
-}
-
-uint32_t
-rb_get_flash_info(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_FLASH_INFO, &tag, &tag_len);
- if (err)
- return 0;
-
- return htonl(get_u32(tag));
-}
-
-uint32_t
-rb_get_hw_options(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- int err;
-
- err = rb_find_hard_cfg_tag(RB_ID_HW_OPTIONS, &tag, &tag_len);
- if (err)
- return 0;
-
- return htonl(get_u32(tag));
-}
-
-uint8_t *
-__rb_get_wlan_data(void)
-{
- uint16_t tag_len;
- uint8_t *tag;
- uint16_t erd_tag_len;
- uint8_t *erd_tag;
- uint8_t *buf_lzo_in;
- uint8_t *buf_lzo_out;
- uint8_t *buf_rle_out;
- int err;
- uint32_t magic;
- uint32_t erd_magic;
- uint32_t erd_offset;
- size_t lzo_out_len;
-
- err = rb_find_hard_cfg_tag(RB_ID_WLAN_DATA, &tag, &tag_len);
- if (err) {
- printf("no calibration data found\n");
- goto err;
- }
-
- buf_lzo_in = malloc(RB_ART_SIZE);
- if (buf_lzo_in == NULL) {
- printf("no memory for calibration data\n");
- goto err;
- }
-
- buf_rle_out = malloc(RB_ART_SIZE);
- if (buf_rle_out == NULL) {
- printf("no memory for calibration data\n");
- goto err_free_lzo_out;
- }
-
- buf_lzo_out = malloc(RB_ART_SIZE);
- if (buf_lzo_out == NULL) {
- printf("no memory for calibration data\n");
- goto err_free_lzo_in;
- }
-
- magic = get_u32(tag);
- if (magic == RB_MAGIC_LZOR) {
- tag += 4;
- tag_len -= 4;
- if (tag_len + sizeof(lzo_prefix) > RB_ART_SIZE) {
- printf("Calibration data too large\n");
- goto err_free_lzo_in;
- }
- printf("Copying fixed LZO prefix (size: %d)\n", sizeof(lzo_prefix));
- memcpy(buf_lzo_in, lzo_prefix, sizeof(lzo_prefix));
-
- printf("Copying input data (size: %d)\n", tag_len);
- memcpy(buf_lzo_in + sizeof(lzo_prefix), tag, tag_len);
-
- printf("Decompressing with LZO\n");
- lzo_out_len = RB_ART_SIZE;
- err = lzo1x_decompress_safe(buf_lzo_in, tag_len + sizeof(lzo_prefix),
- buf_lzo_out, &lzo_out_len, NULL);
- /* For some reason, I get this "input not consumed" error
- * even though the output is correct, so ignore it. */
- if (err && err != LZO_E_INPUT_NOT_CONSUMED) {
- printf("unable to decompress calibration data: %d\n",
- err);
- goto err_free_lzo_out;
- }
-
- printf("Looking for ERD data in decompressed output\n");
- erd_magic = 0;
- for (erd_offset = 0; erd_offset < lzo_out_len; erd_offset++) {
- erd_magic = get_u32(buf_lzo_out + erd_offset);
- if (erd_magic == RB_MAGIC_ERD)
- break;
- }
- if (erd_magic != RB_MAGIC_ERD) {
- printf("no ERD data found\n");
- goto err_free_lzo_out;
- }
- printf("Found ERD magic at offset %d\n", erd_offset);
-
- err = routerboot_find_tag(buf_lzo_out + erd_offset,
- lzo_out_len - erd_offset,
- 0x1, &erd_tag, &erd_tag_len);
- if (err) {
- printf("No ERD chunk found\n");
- goto err_free_lzo_out;
- }
-
- printf("Decompress ERD data with RLE\n");
- err = rle_decode(erd_tag, erd_tag_len, buf_rle_out, RB_ART_SIZE,
- NULL, NULL);
- if (err) {
- printf("unable to decode ERD data\n");
- goto err_free_rle_out;
- }
- }
- /* Older ath79-based boards directly show the RB_MAGIC_ERD bytes followed by
- the LZO-compressed calibration data with no RLE */
- else if (magic == RB_MAGIC_ERD) {
- if (tag_len > RB_ART_SIZE) {
- printf("Calibration data too large\n");
- goto err_free_lzo_in;
- }
-
- err = routerboot_find_tag(tag, tag_len,
- 0x1, &buf_lzo_in, &erd_tag_len);
- if (err) {
- printf("No ERD chunk found\n");
- goto err_free_lzo_out;
- }
-
- printf("Decompressing with LZO\n");
- lzo_out_len = RB_ART_SIZE;
- err = lzo1x_decompress_safe(buf_lzo_in, tag_len,
- buf_lzo_out, &lzo_out_len, NULL);
- /* For some reason, I get this "input not consumed" error
- * even though the output is correct, so ignore it. */
- if (err && err != LZO_E_INPUT_NOT_CONSUMED) {
- printf("unable to decompress calibration data: %d\n",
- err);
- goto err_free_lzo_out;
- }
-
- buf_rle_out = buf_lzo_out;
- }
- /* Even older ath79-base boards directly have RLE-encoded calibration data,
- without any LZO compresion nor showing RB_MAGIC_ERD bytes */
- else {
- printf("Decode calibration data with RLE\n");
- err = rle_decode(tag, tag_len, buf_rle_out, RB_ART_SIZE,
- NULL, NULL);
- if (err) {
- printf("unable to decode ERD data\n");
- goto err_free_rle_out;
- }
- }
-
- return buf_rle_out;
-
-err_free_rle_out:
- free(buf_rle_out);
-err_free_lzo_out:
- free(buf_lzo_out);
-err_free_lzo_in:
- free(buf_lzo_in);
-err:
- return NULL;
-}
-
-int
-main(int argc, char **argv)
-{
- FILE *infile;
- FILE *outfile;
- uint8_t *buf;
- uint32_t magic;
- uint32_t i;
-
- if(argc < 2){
- printf("Not enough arguments\n");
- printf("Use -h for help\n");
- exit(1);
- }
-
- if(strcmp(argv[1], "-h") == 0){
- printf("This program can extract various data from MikroTik devices hard_config partition\n");
- printf("Usage: rbextract <options> <hard_config_location> <output_file> (Optional)\n");
- printf("Options:\n");
- printf("-a Prints all possible info\n");
- printf("-n Prints board name\n");
- printf("-p Prints board product code\n");
- printf("-i Prints board identifier\n");
- printf("-s Prints board serial number\n");
- printf("-m Prints board MAC\n");
- printf("-o Prints board HW options\n");
- printf("-r Prints board RouterBoot factory version\n");
- printf("-f Prints board flash identifier\n");
- printf("-e Extract board radio calibration\n");
- printf("hard_config_location: Path to hard_config partiton\n");
- printf("output_file: Path to where caldata will be output\n");
- } else {
- infile = fopen(argv[2], "r");
-
- if(infile == NULL){
- printf("Cant open given path\n");
- return 1;
- }
-
- fseek(infile, 0L, SEEK_END);
- rb_hardconfig_len = ftell(infile);
-
- fseek(infile, 0L, SEEK_SET);
-
- rb_hardconfig = (uint8_t*)calloc(rb_hardconfig_len, sizeof(uint8_t));
- if(rb_hardconfig == NULL)
- return 1;
-
- fread(rb_hardconfig, sizeof(uint8_t), rb_hardconfig_len, infile);
- fclose(infile);
-
- magic = get_u32(rb_hardconfig);
- if(magic != RB_MAGIC_HARD){
- printf("Routerboot Hard Config not found\n");
- exit(1);
- }
-
- if(strcmp(argv[1], "-a") == 0){
- printf("Board name: %s\n", rb_get_board_name());
- printf("Board product code: %s\n", rb_get_board_product_code());
- printf("Board identifier: %s\n", rb_get_board_identifier());
- printf("Board serial: %s\n", rb_get_board_serial());
- printf("Board MAC: %X\n", rb_get_board_mac());
- printf("HW Options %x\n", rb_get_hw_options());
- printf("Factory RouterBoot version: %s\n", rb_get_factory_booter_version());
- printf("Flash identifier: %x\n", rb_get_flash_info());
- } else if(strcmp(argv[1], "-n") == 0){
- printf("%s\n", rb_get_board_name());
- } else if(strcmp(argv[1], "-p") == 0){
- printf("%s\n", rb_get_board_product_code());
- } else if(strcmp(argv[1], "-i") == 0){
- printf("%s\n", rb_get_board_identifier());
- } else if(strcmp(argv[1], "-s") == 0){
- printf("%s\n", rb_get_board_serial());
- } else if(strcmp(argv[1], "-m") == 0){
- printf("%x\n", rb_get_board_mac());
- } else if(strcmp(argv[1], "-o") == 0){
- printf("%x\n", rb_get_hw_options());
- } else if(strcmp(argv[1], "-r") == 0){
- printf("%s\n", rb_get_factory_booter_version());
- } else if(strcmp(argv[1], "-f") == 0){
- printf("%x\n", rb_get_flash_info());
- } else if(strcmp(argv[1], "-e") == 0){
- buf = __rb_get_wlan_data();
- if (buf == NULL) {
- printf("Could not extract calibration data\n");
- return 1;
- }
-
- if(argv[3] == NULL){
- printf("Missing output file argument\n");
- return 1;
- }
-
- outfile = fopen(argv[3], "wb");
- if(outfile == NULL){
- printf("Cant open given path\n");
- return 1;
- }
-
- /* Write 65536 bytes of caldata */
- for(i = 0; i<RB_ART_SIZE; i++){
- fwrite(&buf[i], sizeof(uint8_t), sizeof(uint8_t), outfile);
- }
- fclose(outfile);
- }
- }
- exit(0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 15:06:07 +0000