2 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
4 * This tool was based on:
5 * TP-Link WR941 V2 firmware checksum fixing tool.
6 * Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
18 #include <unistd.h> /* for unlink() */
20 #include <getopt.h> /* for getopt() */
25 #include <arpa/inet.h>
26 #include <netinet/in.h>
30 #define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
32 #define HEADER_VERSION_V1 0x01000000
33 #define HEADER_VERSION_V2 0x02000000
34 #define HWID_ANTMINER_S1 0x04440101
35 #define HWID_ANTMINER_S3 0x04440301
36 #define HWID_GL_INET_V1 0x08000001
37 #define HWID_GS_OOLITE_V1 0x3C000101
38 #define HWID_OMY_X1 0x06660201
39 #define HWID_ONION_OMEGA 0x04700001
40 #define HWID_TL_MR10U_V1 0x00100101
41 #define HWID_TL_MR13U_V1 0x00130101
42 #define HWID_TL_MR3020_V1 0x30200001
43 #define HWID_TL_MR3220_V1 0x32200001
44 #define HWID_TL_MR3220_V2 0x32200002
45 #define HWID_TL_MR3420_V1 0x34200001
46 #define HWID_TL_MR3420_V2 0x34200002
47 #define HWID_TL_WA701N_V1 0x07010001
48 #define HWID_TL_WA701N_V2 0x07010002
49 #define HWID_TL_WA7210N_V2 0x72100002
50 #define HWID_TL_WA7510N_V1 0x75100001
51 #define HWID_TL_WA801ND_V1 0x08010001
52 #define HWID_TL_WA830RE_V1 0x08300010
53 #define HWID_TL_WA830RE_V2 0x08300002
54 #define HWID_TL_WA801ND_V2 0x08010002
55 #define HWID_TL_WA801ND_V3 0x08010003
56 #define HWID_TL_WA901ND_V1 0x09010001
57 #define HWID_TL_WA901ND_V2 0x09010002
58 #define HWID_TL_WDR4300_V1_IL 0x43008001
59 #define HWID_TL_WDR4900_V1 0x49000001
60 #define HWID_TL_WR703N_V1 0x07030101
61 #define HWID_TL_WR720N_V3 0x07200103
62 #define HWID_TL_WR720N_V4 0x07200104
63 #define HWID_TL_WR741ND_V1 0x07410001
64 #define HWID_TL_WR741ND_V4 0x07410004
65 #define HWID_TL_WR740N_V1 0x07400001
66 #define HWID_TL_WR740N_V3 0x07400003
67 #define HWID_TL_WR743ND_V1 0x07430001
68 #define HWID_TL_WR743ND_V2 0x07430002
69 #define HWID_TL_WR841N_V1_5 0x08410002
70 #define HWID_TL_WR841ND_V3 0x08410003
71 #define HWID_TL_WR841ND_V5 0x08410005
72 #define HWID_TL_WR841ND_V7 0x08410007
73 #define HWID_TL_WR941ND_V2 0x09410002
74 #define HWID_TL_WR941ND_V4 0x09410004
75 #define HWID_TL_WR1043ND_V1 0x10430001
76 #define HWID_TL_WR1043ND_V2 0x10430002
77 #define HWID_TL_WR1041N_V2 0x10410002
78 #define HWID_TL_WR2543N_V1 0x25430001
83 char *file_name; /* name of the file */
84 uint32_t file_size; /* length of the file */
88 uint32_t version; /* header version */
91 uint32_t hw_id; /* hardware id */
92 uint32_t hw_rev; /* hardware revision */
94 uint8_t md5sum1[MD5SUM_LEN];
96 uint8_t md5sum2[MD5SUM_LEN];
98 uint32_t kernel_la; /* kernel load address */
99 uint32_t kernel_ep; /* kernel entry point */
100 uint32_t fw_length; /* total length of the firmware */
101 uint32_t kernel_ofs; /* kernel data offset */
102 uint32_t kernel_len; /* kernel data length */
103 uint32_t rootfs_ofs; /* rootfs data offset */
104 uint32_t rootfs_len; /* rootfs data length */
105 uint32_t boot_ofs; /* bootloader data offset */
106 uint32_t boot_len; /* bootloader data length */
111 } __attribute__ ((packed));
113 struct flash_layout {
132 static char *progname;
133 static char *vendor = "TP-LINK Technologies";
134 static char *version = "ver. 1.0";
135 static char *fw_ver = "0.0.0";
136 static uint32_t hdr_ver = HEADER_VERSION_V1;
138 static char *board_id;
139 static struct board_info *board;
140 static char *layout_id;
141 static struct flash_layout *layout;
142 static char *opt_hw_id;
143 static uint32_t hw_id;
144 static char *opt_hw_rev;
145 static uint32_t hw_rev;
146 static uint32_t opt_hdr_ver = 1;
147 static int fw_ver_lo;
148 static int fw_ver_mid;
149 static int fw_ver_hi;
150 static struct file_info kernel_info;
151 static uint32_t kernel_la = 0;
152 static uint32_t kernel_ep = 0;
153 static uint32_t kernel_len = 0;
154 static struct file_info rootfs_info;
155 static uint32_t rootfs_ofs = 0;
156 static uint32_t rootfs_align;
157 static struct file_info boot_info;
159 static int strip_padding;
160 static int ignore_size;
161 static int add_jffs2_eof;
162 static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
163 static uint32_t fw_max_len;
164 static uint32_t reserved_space;
166 static struct file_info inspect_info;
167 static int extract = 0;
169 char md5salt_normal[MD5SUM_LEN] = {
170 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
171 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
174 char md5salt_boot[MD5SUM_LEN] = {
175 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
176 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
179 static struct flash_layout layouts[] = {
182 .fw_max_len = 0x3c0000,
183 .kernel_la = 0x80060000,
184 .kernel_ep = 0x80060000,
185 .rootfs_ofs = 0x140000,
188 .fw_max_len = 0x3c0000,
189 .kernel_la = 0x80060000,
190 .kernel_ep = 0x80060000,
191 .rootfs_ofs = 0x100000,
194 .fw_max_len = 0x7c0000,
195 .kernel_la = 0x80060000,
196 .kernel_ep = 0x80060000,
197 .rootfs_ofs = 0x140000,
200 .fw_max_len = 0x7c0000,
201 .kernel_la = 0x80060000,
202 .kernel_ep = 0x80060000,
203 .rootfs_ofs = 0x100000,
206 .fw_max_len = 0xf80000,
207 .kernel_la = 0x80060000,
208 .kernel_ep = 0x80060000,
209 .rootfs_ofs = 0x140000,
212 .fw_max_len = 0xf80000,
213 .kernel_la = 0x80060000,
214 .kernel_ep = 0x80060000,
215 .rootfs_ofs = 0x100000,
218 .fw_max_len = 0xf80000,
219 .kernel_la = 0x00000000,
220 .kernel_ep = 0xc0000000,
221 .rootfs_ofs = 0x2a0000,
223 /* terminating entry */
227 static struct board_info boards[] = {
230 .hw_id = HWID_TL_MR10U_V1,
232 .layout_id = "4Mlzma",
235 .hw_id = HWID_TL_MR13U_V1,
237 .layout_id = "4Mlzma",
240 .hw_id = HWID_TL_MR3020_V1,
242 .layout_id = "4Mlzma",
245 .hw_id = HWID_TL_MR3220_V1,
250 .hw_id = HWID_TL_MR3220_V2,
252 .layout_id = "4Mlzma",
255 .hw_id = HWID_TL_MR3420_V1,
260 .hw_id = HWID_TL_MR3420_V2,
262 .layout_id = "4Mlzma",
265 .hw_id = HWID_TL_WA701N_V1,
270 .hw_id = HWID_TL_WA701N_V2,
272 .layout_id = "4Mlzma",
275 .hw_id = HWID_TL_WA7210N_V2,
277 .layout_id = "4Mlzma",
280 .hw_id = HWID_TL_WA7510N_V1,
284 .id = "TL-WA801NDv1",
285 .hw_id = HWID_TL_WA801ND_V1,
289 .id = "TL-WA830REv1",
290 .hw_id = HWID_TL_WA830RE_V1,
294 .id = "TL-WA830REv2",
295 .hw_id = HWID_TL_WA830RE_V2,
299 .id = "TL-WA801NDv2",
300 .hw_id = HWID_TL_WA801ND_V2,
302 .layout_id = "4Mlzma",
304 .id = "TL-WA801NDv3",
305 .hw_id = HWID_TL_WA801ND_V3,
307 .layout_id = "4Mlzma",
309 .id = "TL-WA901NDv1",
310 .hw_id = HWID_TL_WA901ND_V1,
314 .id = "TL-WA901NDv2",
315 .hw_id = HWID_TL_WA901ND_V2,
319 .id = "TL-WDR4300v1",
320 .hw_id = HWID_TL_WDR4300_V1_IL,
322 .layout_id = "8Mlzma",
324 .id = "TL-WDR4900v1",
325 .hw_id = HWID_TL_WDR4900_V1,
327 .layout_id = "16Mppc",
329 .id = "TL-WR741NDv1",
330 .hw_id = HWID_TL_WR741ND_V1,
334 .id = "TL-WR741NDv4",
335 .hw_id = HWID_TL_WR741ND_V4,
337 .layout_id = "4Mlzma",
340 .hw_id = HWID_TL_WR740N_V1,
345 .hw_id = HWID_TL_WR740N_V3,
349 .id = "TL-WR743NDv1",
350 .hw_id = HWID_TL_WR743ND_V1,
354 .id = "TL-WR743NDv2",
355 .hw_id = HWID_TL_WR743ND_V2,
357 .layout_id = "4Mlzma",
359 .id = "TL-WR841Nv1.5",
360 .hw_id = HWID_TL_WR841N_V1_5,
364 .id = "TL-WR841NDv3",
365 .hw_id = HWID_TL_WR841ND_V3,
369 .id = "TL-WR841NDv5",
370 .hw_id = HWID_TL_WR841ND_V5,
374 .id = "TL-WR841NDv7",
375 .hw_id = HWID_TL_WR841ND_V7,
379 .id = "TL-WR941NDv2",
380 .hw_id = HWID_TL_WR941ND_V2,
384 .id = "TL-WR941NDv4",
385 .hw_id = HWID_TL_WR941ND_V4,
389 .id = "TL-WR1041Nv2",
390 .hw_id = HWID_TL_WR1041N_V2,
392 .layout_id = "4Mlzma",
394 .id = "TL-WR1043NDv1",
395 .hw_id = HWID_TL_WR1043ND_V1,
399 .id = "TL-WR1043NDv2",
400 .hw_id = HWID_TL_WR1043ND_V2,
402 .layout_id = "8Mlzma",
404 .id = "TL-WR2543Nv1",
405 .hw_id = HWID_TL_WR2543N_V1,
407 .layout_id = "8Mlzma",
410 .hw_id = HWID_TL_WR703N_V1,
412 .layout_id = "4Mlzma",
415 .hw_id = HWID_TL_WR720N_V3,
417 .layout_id = "4Mlzma",
420 .hw_id = HWID_TL_WR720N_V4,
422 .layout_id = "4Mlzma",
425 .hw_id = HWID_GL_INET_V1,
427 .layout_id = "8Mlzma",
430 .hw_id = HWID_GS_OOLITE_V1,
432 .layout_id = "16Mlzma",
435 .hw_id = HWID_OMY_X1,
437 .layout_id = "8Mlzma",
440 .hw_id = HWID_ONION_OMEGA,
442 .layout_id = "16Mlzma",
445 .hw_id = HWID_ANTMINER_S1,
447 .layout_id = "8Mlzma",
450 .hw_id = HWID_ANTMINER_S3,
452 .layout_id = "8Mlzma",
454 /* terminating entry */
461 #define ERR(fmt, ...) do { \
463 fprintf(stderr, "[%s] *** error: " fmt "\n", \
464 progname, ## __VA_ARGS__ ); \
467 #define ERRS(fmt, ...) do { \
470 fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
471 progname, ## __VA_ARGS__, strerror(save)); \
474 #define DBG(fmt, ...) do { \
475 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
478 static struct board_info *find_board(char *id)
480 struct board_info *ret;
481 struct board_info *board;
484 for (board = boards; board->id != NULL; board++){
485 if (strcasecmp(id, board->id) == 0) {
494 static struct board_info *find_board_by_hwid(uint32_t hw_id)
496 struct board_info *board;
498 for (board = boards; board->id != NULL; board++) {
499 if (hw_id == board->hw_id)
506 static struct flash_layout *find_layout(char *id)
508 struct flash_layout *ret;
509 struct flash_layout *l;
512 for (l = layouts; l->id != NULL; l++){
513 if (strcasecmp(id, l->id) == 0) {
522 static void usage(int status)
524 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
525 struct board_info *board;
527 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
531 " -B <board> create image for the board specified with <board>\n"
532 " -c use combined kernel image\n"
533 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
534 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
535 " -H <hwid> use hardware id specified with <hwid>\n"
536 " -W <hwrev> use hardware revision specified with <hwrev>\n"
537 " -F <id> use flash layout specified with <id>\n"
538 " -k <file> read kernel image from the file <file>\n"
539 " -r <file> read rootfs image from the file <file>\n"
540 " -a <align> align the rootfs start on an <align> bytes boundary\n"
541 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
542 " -o <file> write output to the file <file>\n"
543 " -s strip padding from the end of the image\n"
544 " -S ignore firmware size limit (only for combined images)\n"
545 " -j add jffs2 end-of-filesystem markers\n"
546 " -N <vendor> set image vendor to <vendor>\n"
547 " -V <version> set image version to <version>\n"
548 " -v <version> set firmware version to <version>\n"
549 " -m <version> set header version to <version>\n"
550 " -i <file> inspect given firmware file <file>\n"
551 " -x extract kernel and rootfs while inspecting (requires -i)\n"
552 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
553 " -h show this screen\n"
559 static int get_md5(char *data, int size, char *md5)
564 MD5_Update(&ctx, data, size);
565 MD5_Final(md5, &ctx);
568 static int get_file_stat(struct file_info *fdata)
573 if (fdata->file_name == NULL)
576 res = stat(fdata->file_name, &st);
578 ERRS("stat failed on %s", fdata->file_name);
582 fdata->file_size = st.st_size;
586 static int read_to_buf(struct file_info *fdata, char *buf)
589 int ret = EXIT_FAILURE;
591 f = fopen(fdata->file_name, "r");
593 ERRS("could not open \"%s\" for reading", fdata->file_name);
598 fread(buf, fdata->file_size, 1, f);
600 ERRS("unable to read from file \"%s\"", fdata->file_name);
612 static int check_options(void)
617 if (inspect_info.file_name) {
618 ret = get_file_stat(&inspect_info);
623 } else if (extract) {
624 ERR("no firmware for inspection specified");
628 if (board_id == NULL && opt_hw_id == NULL) {
629 ERR("either board or hardware id must be specified");
634 board = find_board(board_id);
636 ERR("unknown/unsupported board id \"%s\"", board_id);
639 if (layout_id == NULL)
640 layout_id = board->layout_id;
642 hw_id = board->hw_id;
643 hw_rev = board->hw_rev;
645 if (layout_id == NULL) {
646 ERR("flash layout is not specified");
649 hw_id = strtoul(opt_hw_id, NULL, 0);
652 hw_rev = strtoul(opt_hw_rev, NULL, 0);
657 layout = find_layout(layout_id);
658 if (layout == NULL) {
659 ERR("unknown flash layout \"%s\"", layout_id);
664 kernel_la = layout->kernel_la;
666 kernel_ep = layout->kernel_ep;
668 rootfs_ofs = layout->rootfs_ofs;
670 if (reserved_space > layout->fw_max_len) {
671 ERR("reserved space is not valid");
675 fw_max_len = layout->fw_max_len - reserved_space;
677 if (kernel_info.file_name == NULL) {
678 ERR("no kernel image specified");
682 ret = get_file_stat(&kernel_info);
686 kernel_len = kernel_info.file_size;
689 exceed_bytes = kernel_info.file_size - (fw_max_len - sizeof(struct fw_header));
690 if (exceed_bytes > 0) {
692 ERR("kernel image is too big by %i bytes", exceed_bytes);
695 layout->fw_max_len = sizeof(struct fw_header) +
696 kernel_info.file_size +
700 if (rootfs_info.file_name == NULL) {
701 ERR("no rootfs image specified");
705 ret = get_file_stat(&rootfs_info);
710 kernel_len += sizeof(struct fw_header);
711 kernel_len = ALIGN(kernel_len, rootfs_align);
712 kernel_len -= sizeof(struct fw_header);
714 DBG("kernel length aligned to %u", kernel_len);
716 exceed_bytes = kernel_len + rootfs_info.file_size - (fw_max_len - sizeof(struct fw_header));
717 if (exceed_bytes > 0) {
718 ERR("images are too big by %i bytes", exceed_bytes);
722 exceed_bytes = kernel_info.file_size - (rootfs_ofs - sizeof(struct fw_header));
723 if (exceed_bytes > 0) {
724 ERR("kernel image is too big by %i bytes", exceed_bytes);
728 exceed_bytes = rootfs_info.file_size - (fw_max_len - rootfs_ofs);
729 if (exceed_bytes > 0) {
730 ERR("rootfs image is too big by %i bytes", exceed_bytes);
736 if (ofname == NULL) {
737 ERR("no output file specified");
741 ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
743 ERR("invalid firmware version '%s'", fw_ver);
747 if (opt_hdr_ver == 1) {
748 hdr_ver = HEADER_VERSION_V1;
749 } else if (opt_hdr_ver == 2) {
750 hdr_ver = HEADER_VERSION_V2;
752 ERR("invalid header version '%u'", opt_hdr_ver);
759 static void fill_header(char *buf, int len)
761 struct fw_header *hdr = (struct fw_header *)buf;
763 memset(hdr, 0, sizeof(struct fw_header));
765 hdr->version = htonl(hdr_ver);
766 strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
767 strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
768 hdr->hw_id = htonl(hw_id);
769 hdr->hw_rev = htonl(hw_rev);
771 if (boot_info.file_size == 0)
772 memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
774 memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
776 hdr->kernel_la = htonl(kernel_la);
777 hdr->kernel_ep = htonl(kernel_ep);
778 hdr->fw_length = htonl(layout->fw_max_len);
779 hdr->kernel_ofs = htonl(sizeof(struct fw_header));
780 hdr->kernel_len = htonl(kernel_len);
782 hdr->rootfs_ofs = htonl(rootfs_ofs);
783 hdr->rootfs_len = htonl(rootfs_info.file_size);
786 hdr->ver_hi = htons(fw_ver_hi);
787 hdr->ver_mid = htons(fw_ver_mid);
788 hdr->ver_lo = htons(fw_ver_lo);
790 get_md5(buf, len, hdr->md5sum1);
793 static int pad_jffs2(char *buf, int currlen)
799 pad_mask = (64 * 1024);
800 while ((len < layout->fw_max_len) && (pad_mask != 0)) {
804 for (i = 10; i < 32; i++) {
810 len = ALIGN(len, mask);
812 for (i = 10; i < 32; i++) {
814 if ((len & (mask - 1)) == 0)
818 for (i = 0; i < sizeof(jffs2_eof_mark); i++)
819 buf[len + i] = jffs2_eof_mark[i];
821 len += sizeof(jffs2_eof_mark);
827 static int write_fw(char *data, int len)
830 int ret = EXIT_FAILURE;
832 f = fopen(ofname, "w");
834 ERRS("could not open \"%s\" for writing", ofname);
839 fwrite(data, len, 1, f);
841 ERRS("unable to write output file");
845 DBG("firmware file \"%s\" completed", ofname);
852 if (ret != EXIT_SUCCESS) {
859 static int build_fw(void)
864 int ret = EXIT_FAILURE;
867 buflen = layout->fw_max_len;
869 buf = malloc(buflen);
871 ERR("no memory for buffer\n");
875 memset(buf, 0xff, buflen);
876 p = buf + sizeof(struct fw_header);
877 ret = read_to_buf(&kernel_info, p);
881 writelen = sizeof(struct fw_header) + kernel_len;
887 p = buf + rootfs_ofs;
889 ret = read_to_buf(&rootfs_info, p);
894 writelen += rootfs_info.file_size;
896 writelen = rootfs_ofs + rootfs_info.file_size;
899 writelen = pad_jffs2(buf, writelen);
905 fill_header(buf, writelen);
906 ret = write_fw(buf, writelen);
918 /* Helper functions to inspect_fw() representing different output formats */
919 static inline void inspect_fw_pstr(char *label, char *str)
921 printf("%-23s: %s\n", label, str);
924 static inline void inspect_fw_phex(char *label, uint32_t val)
926 printf("%-23s: 0x%08x\n", label, val);
929 static inline void inspect_fw_phexpost(char *label,
930 uint32_t val, char *post)
932 printf("%-23s: 0x%08x (%s)\n", label, val, post);
935 static inline void inspect_fw_phexdef(char *label,
936 uint32_t val, uint32_t defval)
938 printf("%-23s: 0x%08x ", label, val);
941 printf("(== OpenWrt default)\n");
943 printf("(OpenWrt default: 0x%08x)\n", defval);
946 static inline void inspect_fw_phexexp(char *label,
947 uint32_t val, uint32_t expval)
949 printf("%-23s: 0x%08x ", label, val);
954 printf("(expected: 0x%08x)\n", expval);
957 static inline void inspect_fw_phexdec(char *label, uint32_t val)
959 printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
962 static inline void inspect_fw_phexdecdef(char *label,
963 uint32_t val, uint32_t defval)
965 printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
968 printf("(== OpenWrt default)\n");
970 printf("(OpenWrt default: 0x%08x)\n", defval);
973 static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
977 printf("%-23s:", label);
978 for (i=0; i<MD5SUM_LEN; i++)
979 printf(" %02x", val[i]);
980 printf(" %s\n", text);
983 static int inspect_fw(void)
986 struct fw_header *hdr;
987 uint8_t md5sum[MD5SUM_LEN];
988 struct board_info *board;
989 int ret = EXIT_FAILURE;
991 buf = malloc(inspect_info.file_size);
993 ERR("no memory for buffer!\n");
997 ret = read_to_buf(&inspect_info, buf);
1000 hdr = (struct fw_header *)buf;
1002 inspect_fw_pstr("File name", inspect_info.file_name);
1003 inspect_fw_phexdec("File size", inspect_info.file_size);
1005 if ((ntohl(hdr->version) != HEADER_VERSION_V1) &&
1006 (ntohl(hdr->version) != HEADER_VERSION_V2)) {
1007 ERR("file does not seem to have V1/V2 header!\n");
1011 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header));
1013 if (ntohl(hdr->unk1) != 0)
1014 inspect_fw_phexdec("Unknown value 1", hdr->unk1);
1016 memcpy(md5sum, hdr->md5sum1, sizeof(md5sum));
1017 if (ntohl(hdr->boot_len) == 0)
1018 memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum));
1020 memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum));
1021 get_md5(buf, inspect_info.file_size, hdr->md5sum1);
1023 if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) {
1024 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)");
1025 inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, "");
1027 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)");
1029 if (ntohl(hdr->unk2) != 0)
1030 inspect_fw_phexdec("Unknown value 2", hdr->unk2);
1031 inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2,
1032 "(purpose yet unknown, unchecked here)");
1033 if (ntohl(hdr->unk3) != 0)
1034 inspect_fw_phexdec("Unknown value 3", hdr->unk3);
1038 inspect_fw_pstr("Vendor name", hdr->vendor_name);
1039 inspect_fw_pstr("Firmware version", hdr->fw_version);
1040 board = find_board_by_hwid(ntohl(hdr->hw_id));
1042 layout = find_layout(board->layout_id);
1043 inspect_fw_phexpost("Hardware ID",
1044 ntohl(hdr->hw_id), board->id);
1045 inspect_fw_phexexp("Hardware Revision",
1046 ntohl(hdr->hw_rev), board->hw_rev);
1048 inspect_fw_phexpost("Hardware ID",
1049 ntohl(hdr->hw_id), "unknown");
1050 inspect_fw_phex("Hardware Revision",
1051 ntohl(hdr->hw_rev));
1056 inspect_fw_phexdec("Kernel data offset",
1057 ntohl(hdr->kernel_ofs));
1058 inspect_fw_phexdec("Kernel data length",
1059 ntohl(hdr->kernel_len));
1061 inspect_fw_phexdef("Kernel load address",
1062 ntohl(hdr->kernel_la),
1063 layout ? layout->kernel_la : 0xffffffff);
1064 inspect_fw_phexdef("Kernel entry point",
1065 ntohl(hdr->kernel_ep),
1066 layout ? layout->kernel_ep : 0xffffffff);
1067 inspect_fw_phexdecdef("Rootfs data offset",
1068 ntohl(hdr->rootfs_ofs),
1069 layout ? layout->rootfs_ofs : 0xffffffff);
1071 inspect_fw_phex("Kernel load address",
1072 ntohl(hdr->kernel_la));
1073 inspect_fw_phex("Kernel entry point",
1074 ntohl(hdr->kernel_ep));
1075 inspect_fw_phexdec("Rootfs data offset",
1076 ntohl(hdr->rootfs_ofs));
1078 inspect_fw_phexdec("Rootfs data length",
1079 ntohl(hdr->rootfs_len));
1080 inspect_fw_phexdec("Boot loader data offset",
1081 ntohl(hdr->boot_ofs));
1082 inspect_fw_phexdec("Boot loader data length",
1083 ntohl(hdr->boot_len));
1084 inspect_fw_phexdec("Total firmware length",
1085 ntohl(hdr->fw_length));
1093 filename = malloc(strlen(inspect_info.file_name) + 8);
1094 sprintf(filename, "%s-kernel", inspect_info.file_name);
1095 printf("Extracting kernel to \"%s\"...\n", filename);
1096 fp = fopen(filename, "w");
1098 if (!fwrite(buf + ntohl(hdr->kernel_ofs),
1099 ntohl(hdr->kernel_len), 1, fp)) {
1100 ERR("error in fwrite(): %s", strerror(errno));
1104 ERR("error in fopen(): %s", strerror(errno));
1108 filename = malloc(strlen(inspect_info.file_name) + 8);
1109 sprintf(filename, "%s-rootfs", inspect_info.file_name);
1110 printf("Extracting rootfs to \"%s\"...\n", filename);
1111 fp = fopen(filename, "w");
1113 if (!fwrite(buf + ntohl(hdr->rootfs_ofs),
1114 ntohl(hdr->rootfs_len), 1, fp)) {
1115 ERR("error in fwrite(): %s", strerror(errno));
1119 ERR("error in fopen(): %s", strerror(errno));
1130 int main(int argc, char *argv[])
1132 int ret = EXIT_FAILURE;
1137 progname = basename(argv[0]);
1142 c = getopt(argc, argv, "a:B:H:E:F:L:m:V:N:W:ci:k:r:R:o:xX:hsSjv:");
1148 sscanf(optarg, "0x%x", &rootfs_align);
1157 sscanf(optarg, "0x%x", &kernel_ep);
1163 opt_hw_rev = optarg;
1166 sscanf(optarg, "0x%x", &kernel_la);
1169 sscanf(optarg, "%u", &opt_hdr_ver);
1184 kernel_info.file_name = optarg;
1187 rootfs_info.file_name = optarg;
1190 sscanf(optarg, "0x%x", &rootfs_ofs);
1202 inspect_info.file_name = optarg;
1211 usage(EXIT_SUCCESS);
1214 sscanf(optarg, "0x%x", &reserved_space);
1217 usage(EXIT_FAILURE);
1222 ret = check_options();
1226 if (!inspect_info.file_name)