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 HWID_ANTMINER_S1 0x04440001
34 #define HWID_GL_INET_V1 0x08000001
35 #define HWID_GS_OOLITE_V1 0x3C000101
36 #define HWID_TL_MR10U_V1 0x00100101
37 #define HWID_TL_MR13U_V1 0x00130101
38 #define HWID_TL_MR3020_V1 0x30200001
39 #define HWID_TL_MR3220_V1 0x32200001
40 #define HWID_TL_MR3220_V2 0x32200002
41 #define HWID_TL_MR3420_V1 0x34200001
42 #define HWID_TL_MR3420_V2 0x34200002
43 #define HWID_TL_WA701N_V1 0x07010001
44 #define HWID_TL_WA701N_V2 0x07010002
45 #define HWID_TL_WA7210N_V2 0x72100002
46 #define HWID_TL_WA7510N_V1 0x75100001
47 #define HWID_TL_WA801ND_V1 0x08010001
48 #define HWID_TL_WA830RE_V1 0x08300010
49 #define HWID_TL_WA830RE_V2 0x08300002
50 #define HWID_TL_WA801ND_V2 0x08010002
51 #define HWID_TL_WA901ND_V1 0x09010001
52 #define HWID_TL_WA901ND_V2 0x09010002
53 #define HWID_TL_WDR4300_V1_IL 0x43008001
54 #define HWID_TL_WDR4900_V1 0x49000001
55 #define HWID_TL_WR703N_V1 0x07030101
56 #define HWID_TL_WR720N_V3 0x07200103
57 #define HWID_TL_WR741ND_V1 0x07410001
58 #define HWID_TL_WR741ND_V4 0x07410004
59 #define HWID_TL_WR740N_V1 0x07400001
60 #define HWID_TL_WR740N_V3 0x07400003
61 #define HWID_TL_WR743ND_V1 0x07430001
62 #define HWID_TL_WR743ND_V2 0x07430002
63 #define HWID_TL_WR841N_V1_5 0x08410002
64 #define HWID_TL_WR841ND_V3 0x08410003
65 #define HWID_TL_WR841ND_V5 0x08410005
66 #define HWID_TL_WR841ND_V7 0x08410007
67 #define HWID_TL_WR941ND_V2 0x09410002
68 #define HWID_TL_WR941ND_V4 0x09410004
69 #define HWID_TL_WR1043ND_V1 0x10430001
70 #define HWID_TL_WR1043ND_V2 0x10430002
71 #define HWID_TL_WR1041N_V2 0x10410002
72 #define HWID_TL_WR2543N_V1 0x25430001
77 char *file_name
; /* name of the file */
78 uint32_t file_size
; /* length of the file */
82 uint32_t version
; /* header version */
85 uint32_t hw_id
; /* hardware id */
86 uint32_t hw_rev
; /* hardware revision */
88 uint8_t md5sum1
[MD5SUM_LEN
];
90 uint8_t md5sum2
[MD5SUM_LEN
];
92 uint32_t kernel_la
; /* kernel load address */
93 uint32_t kernel_ep
; /* kernel entry point */
94 uint32_t fw_length
; /* total length of the firmware */
95 uint32_t kernel_ofs
; /* kernel data offset */
96 uint32_t kernel_len
; /* kernel data length */
97 uint32_t rootfs_ofs
; /* rootfs data offset */
98 uint32_t rootfs_len
; /* rootfs data length */
99 uint32_t boot_ofs
; /* bootloader data offset */
100 uint32_t boot_len
; /* bootloader data length */
105 } __attribute__ ((packed
));
107 struct flash_layout
{
126 static char *progname
;
127 static char *vendor
= "TP-LINK Technologies";
128 static char *version
= "ver. 1.0";
129 static char *fw_ver
= "0.0.0";
131 static char *board_id
;
132 static struct board_info
*board
;
133 static char *layout_id
;
134 static struct flash_layout
*layout
;
135 static char *opt_hw_id
;
136 static uint32_t hw_id
;
137 static char *opt_hw_rev
;
138 static uint32_t hw_rev
;
139 static int fw_ver_lo
;
140 static int fw_ver_mid
;
141 static int fw_ver_hi
;
142 static struct file_info kernel_info
;
143 static uint32_t kernel_la
= 0;
144 static uint32_t kernel_ep
= 0;
145 static uint32_t kernel_len
= 0;
146 static struct file_info rootfs_info
;
147 static uint32_t rootfs_ofs
= 0;
148 static uint32_t rootfs_align
;
149 static struct file_info boot_info
;
151 static int strip_padding
;
152 static int ignore_size
;
153 static int add_jffs2_eof
;
154 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
155 static uint32_t fw_max_len
;
156 static uint32_t reserved_space
;
158 static struct file_info inspect_info
;
159 static int extract
= 0;
161 char md5salt_normal
[MD5SUM_LEN
] = {
162 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
163 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
166 char md5salt_boot
[MD5SUM_LEN
] = {
167 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
168 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
171 static struct flash_layout layouts
[] = {
174 .fw_max_len
= 0x3c0000,
175 .kernel_la
= 0x80060000,
176 .kernel_ep
= 0x80060000,
177 .rootfs_ofs
= 0x140000,
180 .fw_max_len
= 0x3c0000,
181 .kernel_la
= 0x80060000,
182 .kernel_ep
= 0x80060000,
183 .rootfs_ofs
= 0x100000,
186 .fw_max_len
= 0x7c0000,
187 .kernel_la
= 0x80060000,
188 .kernel_ep
= 0x80060000,
189 .rootfs_ofs
= 0x140000,
192 .fw_max_len
= 0x7c0000,
193 .kernel_la
= 0x80060000,
194 .kernel_ep
= 0x80060000,
195 .rootfs_ofs
= 0x100000,
198 .fw_max_len
= 0xf80000,
199 .kernel_la
= 0x80060000,
200 .kernel_ep
= 0x80060000,
201 .rootfs_ofs
= 0x140000,
204 .fw_max_len
= 0xf80000,
205 .kernel_la
= 0x80060000,
206 .kernel_ep
= 0x80060000,
207 .rootfs_ofs
= 0x100000,
210 .fw_max_len
= 0xf80000,
211 .kernel_la
= 0x00000000,
212 .kernel_ep
= 0xc0000000,
213 .rootfs_ofs
= 0x2a0000,
215 /* terminating entry */
219 static struct board_info boards
[] = {
222 .hw_id
= HWID_TL_MR10U_V1
,
224 .layout_id
= "4Mlzma",
227 .hw_id
= HWID_TL_MR13U_V1
,
229 .layout_id
= "4Mlzma",
232 .hw_id
= HWID_TL_MR3020_V1
,
234 .layout_id
= "4Mlzma",
237 .hw_id
= HWID_TL_MR3220_V1
,
242 .hw_id
= HWID_TL_MR3220_V2
,
244 .layout_id
= "4Mlzma",
247 .hw_id
= HWID_TL_MR3420_V1
,
252 .hw_id
= HWID_TL_MR3420_V2
,
254 .layout_id
= "4Mlzma",
257 .hw_id
= HWID_TL_WA701N_V1
,
262 .hw_id
= HWID_TL_WA701N_V2
,
264 .layout_id
= "4Mlzma",
267 .hw_id
= HWID_TL_WA7210N_V2
,
269 .layout_id
= "4Mlzma",
272 .hw_id
= HWID_TL_WA7510N_V1
,
276 .id
= "TL-WA801NDv1",
277 .hw_id
= HWID_TL_WA801ND_V1
,
281 .id
= "TL-WA830REv1",
282 .hw_id
= HWID_TL_WA830RE_V1
,
286 .id
= "TL-WA830REv2",
287 .hw_id
= HWID_TL_WA830RE_V2
,
291 .id
= "TL-WA801NDv2",
292 .hw_id
= HWID_TL_WA801ND_V2
,
294 .layout_id
= "4Mlzma",
296 .id
= "TL-WA901NDv1",
297 .hw_id
= HWID_TL_WA901ND_V1
,
301 .id
= "TL-WA901NDv2",
302 .hw_id
= HWID_TL_WA901ND_V2
,
306 .id
= "TL-WDR4300v1",
307 .hw_id
= HWID_TL_WDR4300_V1_IL
,
309 .layout_id
= "8Mlzma",
311 .id
= "TL-WDR4900v1",
312 .hw_id
= HWID_TL_WDR4900_V1
,
314 .layout_id
= "16Mppc",
316 .id
= "TL-WR741NDv1",
317 .hw_id
= HWID_TL_WR741ND_V1
,
321 .id
= "TL-WR741NDv4",
322 .hw_id
= HWID_TL_WR741ND_V4
,
324 .layout_id
= "4Mlzma",
327 .hw_id
= HWID_TL_WR740N_V1
,
332 .hw_id
= HWID_TL_WR740N_V3
,
336 .id
= "TL-WR743NDv1",
337 .hw_id
= HWID_TL_WR743ND_V1
,
341 .id
= "TL-WR743NDv2",
342 .hw_id
= HWID_TL_WR743ND_V2
,
344 .layout_id
= "4Mlzma",
346 .id
= "TL-WR841Nv1.5",
347 .hw_id
= HWID_TL_WR841N_V1_5
,
351 .id
= "TL-WR841NDv3",
352 .hw_id
= HWID_TL_WR841ND_V3
,
356 .id
= "TL-WR841NDv5",
357 .hw_id
= HWID_TL_WR841ND_V5
,
361 .id
= "TL-WR841NDv7",
362 .hw_id
= HWID_TL_WR841ND_V7
,
366 .id
= "TL-WR941NDv2",
367 .hw_id
= HWID_TL_WR941ND_V2
,
371 .id
= "TL-WR941NDv4",
372 .hw_id
= HWID_TL_WR941ND_V4
,
376 .id
= "TL-WR1041Nv2",
377 .hw_id
= HWID_TL_WR1041N_V2
,
379 .layout_id
= "4Mlzma",
381 .id
= "TL-WR1043NDv1",
382 .hw_id
= HWID_TL_WR1043ND_V1
,
386 .id
= "TL-WR1043NDv2",
387 .hw_id
= HWID_TL_WR1043ND_V2
,
389 .layout_id
= "8Mlzma",
391 .id
= "TL-WR2543Nv1",
392 .hw_id
= HWID_TL_WR2543N_V1
,
394 .layout_id
= "8Mlzma",
397 .hw_id
= HWID_TL_WR703N_V1
,
399 .layout_id
= "4Mlzma",
402 .hw_id
= HWID_TL_WR720N_V3
,
404 .layout_id
= "4Mlzma",
407 .hw_id
= HWID_GL_INET_V1
,
409 .layout_id
= "8Mlzma",
412 .hw_id
= HWID_GS_OOLITE_V1
,
414 .layout_id
= "16Mlzma",
417 .hw_id
= HWID_ANTMINER_S1
,
419 .layout_id
= "8Mlzma",
421 /* terminating entry */
428 #define ERR(fmt, ...) do { \
430 fprintf(stderr, "[%s] *** error: " fmt "\n", \
431 progname, ## __VA_ARGS__ ); \
434 #define ERRS(fmt, ...) do { \
437 fprintf(stderr, "[%s] *** error: " fmt "\n", \
438 progname, ## __VA_ARGS__, strerror(save)); \
441 #define DBG(fmt, ...) do { \
442 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
445 static struct board_info
*find_board(char *id
)
447 struct board_info
*ret
;
448 struct board_info
*board
;
451 for (board
= boards
; board
->id
!= NULL
; board
++){
452 if (strcasecmp(id
, board
->id
) == 0) {
461 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
463 struct board_info
*board
;
465 for (board
= boards
; board
->id
!= NULL
; board
++) {
466 if (hw_id
== board
->hw_id
)
473 static struct flash_layout
*find_layout(char *id
)
475 struct flash_layout
*ret
;
476 struct flash_layout
*l
;
479 for (l
= layouts
; l
->id
!= NULL
; l
++){
480 if (strcasecmp(id
, l
->id
) == 0) {
489 static void usage(int status
)
491 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
492 struct board_info
*board
;
494 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
498 " -B <board> create image for the board specified with <board>\n"
499 " -c use combined kernel image\n"
500 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
501 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
502 " -H <hwid> use hardware id specified with <hwid>\n"
503 " -W <hwrev> use hardware revision specified with <hwrev>\n"
504 " -F <id> use flash layout specified with <id>\n"
505 " -k <file> read kernel image from the file <file>\n"
506 " -r <file> read rootfs image from the file <file>\n"
507 " -a <align> align the rootfs start on an <align> bytes boundary\n"
508 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
509 " -o <file> write output to the file <file>\n"
510 " -s strip padding from the end of the image\n"
511 " -S ignore firmware size limit (only for combined images)\n"
512 " -j add jffs2 end-of-filesystem markers\n"
513 " -N <vendor> set image vendor to <vendor>\n"
514 " -V <version> set image version to <version>\n"
515 " -v <version> set firmware version to <version>\n"
516 " -i <file> inspect given firmware file <file>\n"
517 " -x extract kernel and rootfs while inspecting (requires -i)\n"
518 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
519 " -h show this screen\n"
525 static int get_md5(char *data
, int size
, char *md5
)
530 MD5_Update(&ctx
, data
, size
);
531 MD5_Final(md5
, &ctx
);
534 static int get_file_stat(struct file_info
*fdata
)
539 if (fdata
->file_name
== NULL
)
542 res
= stat(fdata
->file_name
, &st
);
544 ERRS("stat failed on %s", fdata
->file_name
);
548 fdata
->file_size
= st
.st_size
;
552 static int read_to_buf(struct file_info
*fdata
, char *buf
)
555 int ret
= EXIT_FAILURE
;
557 f
= fopen(fdata
->file_name
, "r");
559 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
564 fread(buf
, fdata
->file_size
, 1, f
);
566 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
578 static int check_options(void)
582 if (inspect_info
.file_name
) {
583 ret
= get_file_stat(&inspect_info
);
588 } else if (extract
) {
589 ERR("no firmware for inspection specified");
593 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
594 ERR("either board or hardware id must be specified");
599 board
= find_board(board_id
);
601 ERR("unknown/unsupported board id \"%s\"", board_id
);
604 if (layout_id
== NULL
)
605 layout_id
= board
->layout_id
;
607 hw_id
= board
->hw_id
;
608 hw_rev
= board
->hw_rev
;
610 if (layout_id
== NULL
) {
611 ERR("flash layout is not specified");
614 hw_id
= strtoul(opt_hw_id
, NULL
, 0);
617 hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
622 layout
= find_layout(layout_id
);
623 if (layout
== NULL
) {
624 ERR("unknown flash layout \"%s\"", layout_id
);
629 kernel_la
= layout
->kernel_la
;
631 kernel_ep
= layout
->kernel_ep
;
633 rootfs_ofs
= layout
->rootfs_ofs
;
635 if (reserved_space
> layout
->fw_max_len
) {
636 ERR("reserved space is not valid");
640 fw_max_len
= layout
->fw_max_len
- reserved_space
;
642 if (kernel_info
.file_name
== NULL
) {
643 ERR("no kernel image specified");
647 ret
= get_file_stat(&kernel_info
);
651 kernel_len
= kernel_info
.file_size
;
654 if (kernel_info
.file_size
>
655 fw_max_len
- sizeof(struct fw_header
)) {
657 ERR("kernel image is too big");
660 layout
->fw_max_len
= sizeof(struct fw_header
) +
661 kernel_info
.file_size
+
665 if (rootfs_info
.file_name
== NULL
) {
666 ERR("no rootfs image specified");
670 ret
= get_file_stat(&rootfs_info
);
675 kernel_len
+= sizeof(struct fw_header
);
676 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
677 kernel_len
-= sizeof(struct fw_header
);
679 DBG("kernel length aligned to %u", kernel_len
);
681 if (kernel_len
+ rootfs_info
.file_size
>
682 fw_max_len
- sizeof(struct fw_header
)) {
683 ERR("images are too big");
687 if (kernel_info
.file_size
>
688 rootfs_ofs
- sizeof(struct fw_header
)) {
689 ERR("kernel image is too big");
693 if (rootfs_info
.file_size
>
694 (fw_max_len
- rootfs_ofs
)) {
695 ERR("rootfs image is too big");
701 if (ofname
== NULL
) {
702 ERR("no output file specified");
706 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
708 ERR("invalid firmware version '%s'", fw_ver
);
715 static void fill_header(char *buf
, int len
)
717 struct fw_header
*hdr
= (struct fw_header
*)buf
;
719 memset(hdr
, 0, sizeof(struct fw_header
));
721 hdr
->version
= htonl(HEADER_VERSION_V1
);
722 strncpy(hdr
->vendor_name
, vendor
, sizeof(hdr
->vendor_name
));
723 strncpy(hdr
->fw_version
, version
, sizeof(hdr
->fw_version
));
724 hdr
->hw_id
= htonl(hw_id
);
725 hdr
->hw_rev
= htonl(hw_rev
);
727 if (boot_info
.file_size
== 0)
728 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
730 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
732 hdr
->kernel_la
= htonl(kernel_la
);
733 hdr
->kernel_ep
= htonl(kernel_ep
);
734 hdr
->fw_length
= htonl(layout
->fw_max_len
);
735 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
736 hdr
->kernel_len
= htonl(kernel_len
);
738 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
739 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
742 hdr
->ver_hi
= htons(fw_ver_hi
);
743 hdr
->ver_mid
= htons(fw_ver_mid
);
744 hdr
->ver_lo
= htons(fw_ver_lo
);
746 get_md5(buf
, len
, hdr
->md5sum1
);
749 static int pad_jffs2(char *buf
, int currlen
)
755 pad_mask
= (64 * 1024);
756 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
760 for (i
= 10; i
< 32; i
++) {
766 len
= ALIGN(len
, mask
);
768 for (i
= 10; i
< 32; i
++) {
770 if ((len
& (mask
- 1)) == 0)
774 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
775 buf
[len
+ i
] = jffs2_eof_mark
[i
];
777 len
+= sizeof(jffs2_eof_mark
);
783 static int write_fw(char *data
, int len
)
786 int ret
= EXIT_FAILURE
;
788 f
= fopen(ofname
, "w");
790 ERRS("could not open \"%s\" for writing", ofname
);
795 fwrite(data
, len
, 1, f
);
797 ERRS("unable to write output file");
801 DBG("firmware file \"%s\" completed", ofname
);
808 if (ret
!= EXIT_SUCCESS
) {
815 static int build_fw(void)
820 int ret
= EXIT_FAILURE
;
823 buflen
= layout
->fw_max_len
;
825 buf
= malloc(buflen
);
827 ERR("no memory for buffer\n");
831 memset(buf
, 0xff, buflen
);
832 p
= buf
+ sizeof(struct fw_header
);
833 ret
= read_to_buf(&kernel_info
, p
);
837 writelen
= sizeof(struct fw_header
) + kernel_len
;
843 p
= buf
+ rootfs_ofs
;
845 ret
= read_to_buf(&rootfs_info
, p
);
850 writelen
+= rootfs_info
.file_size
;
852 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
855 writelen
= pad_jffs2(buf
, writelen
);
861 fill_header(buf
, writelen
);
862 ret
= write_fw(buf
, writelen
);
874 /* Helper functions to inspect_fw() representing different output formats */
875 static inline void inspect_fw_pstr(char *label
, char *str
)
877 printf("%-23s: %s\n", label
, str
);
880 static inline void inspect_fw_phex(char *label
, uint32_t val
)
882 printf("%-23s: 0x%08x\n", label
, val
);
885 static inline void inspect_fw_phexpost(char *label
,
886 uint32_t val
, char *post
)
888 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
891 static inline void inspect_fw_phexdef(char *label
,
892 uint32_t val
, uint32_t defval
)
894 printf("%-23s: 0x%08x ", label
, val
);
897 printf("(== OpenWrt default)\n");
899 printf("(OpenWrt default: 0x%08x)\n", defval
);
902 static inline void inspect_fw_phexexp(char *label
,
903 uint32_t val
, uint32_t expval
)
905 printf("%-23s: 0x%08x ", label
, val
);
910 printf("(expected: 0x%08x)\n", expval
);
913 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
915 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
918 static inline void inspect_fw_phexdecdef(char *label
,
919 uint32_t val
, uint32_t defval
)
921 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
924 printf("(== OpenWrt default)\n");
926 printf("(OpenWrt default: 0x%08x)\n", defval
);
929 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
933 printf("%-23s:", label
);
934 for (i
=0; i
<MD5SUM_LEN
; i
++)
935 printf(" %02x", val
[i
]);
936 printf(" %s\n", text
);
939 static int inspect_fw(void)
942 struct fw_header
*hdr
;
943 uint8_t md5sum
[MD5SUM_LEN
];
944 struct board_info
*board
;
945 int ret
= EXIT_FAILURE
;
947 buf
= malloc(inspect_info
.file_size
);
949 ERR("no memory for buffer!\n");
953 ret
= read_to_buf(&inspect_info
, buf
);
956 hdr
= (struct fw_header
*)buf
;
958 inspect_fw_pstr("File name", inspect_info
.file_name
);
959 inspect_fw_phexdec("File size", inspect_info
.file_size
);
961 if (ntohl(hdr
->version
) != HEADER_VERSION_V1
) {
962 ERR("file does not seem to have V1 header!\n");
966 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header
));
968 if (ntohl(hdr
->unk1
) != 0)
969 inspect_fw_phexdec("Unknown value 1", hdr
->unk1
);
971 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
972 if (ntohl(hdr
->boot_len
) == 0)
973 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
975 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
976 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
978 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
979 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
980 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
982 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
984 if (ntohl(hdr
->unk2
) != 0)
985 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
986 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
987 "(purpose yet unknown, unchecked here)");
988 if (ntohl(hdr
->unk3
) != 0)
989 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
993 inspect_fw_pstr("Vendor name", hdr
->vendor_name
);
994 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
995 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
997 layout
= find_layout(board
->layout_id
);
998 inspect_fw_phexpost("Hardware ID",
999 ntohl(hdr
->hw_id
), board
->id
);
1000 inspect_fw_phexexp("Hardware Revision",
1001 ntohl(hdr
->hw_rev
), board
->hw_rev
);
1003 inspect_fw_phexpost("Hardware ID",
1004 ntohl(hdr
->hw_id
), "unknown");
1005 inspect_fw_phex("Hardware Revision",
1006 ntohl(hdr
->hw_rev
));
1011 inspect_fw_phexdec("Kernel data offset",
1012 ntohl(hdr
->kernel_ofs
));
1013 inspect_fw_phexdec("Kernel data length",
1014 ntohl(hdr
->kernel_len
));
1016 inspect_fw_phexdef("Kernel load address",
1017 ntohl(hdr
->kernel_la
),
1018 layout
? layout
->kernel_la
: 0xffffffff);
1019 inspect_fw_phexdef("Kernel entry point",
1020 ntohl(hdr
->kernel_ep
),
1021 layout
? layout
->kernel_ep
: 0xffffffff);
1022 inspect_fw_phexdecdef("Rootfs data offset",
1023 ntohl(hdr
->rootfs_ofs
),
1024 layout
? layout
->rootfs_ofs
: 0xffffffff);
1026 inspect_fw_phex("Kernel load address",
1027 ntohl(hdr
->kernel_la
));
1028 inspect_fw_phex("Kernel entry point",
1029 ntohl(hdr
->kernel_ep
));
1030 inspect_fw_phexdec("Rootfs data offset",
1031 ntohl(hdr
->rootfs_ofs
));
1033 inspect_fw_phexdec("Rootfs data length",
1034 ntohl(hdr
->rootfs_len
));
1035 inspect_fw_phexdec("Boot loader data offset",
1036 ntohl(hdr
->boot_ofs
));
1037 inspect_fw_phexdec("Boot loader data length",
1038 ntohl(hdr
->boot_len
));
1039 inspect_fw_phexdec("Total firmware length",
1040 ntohl(hdr
->fw_length
));
1048 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1049 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
1050 printf("Extracting kernel to \"%s\"...\n", filename
);
1051 fp
= fopen(filename
, "w");
1053 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
1054 ntohl(hdr
->kernel_len
), 1, fp
)) {
1055 ERR("error in fwrite(): %s", strerror(errno
));
1059 ERR("error in fopen(): %s", strerror(errno
));
1063 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1064 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
1065 printf("Extracting rootfs to \"%s\"...\n", filename
);
1066 fp
= fopen(filename
, "w");
1068 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
1069 ntohl(hdr
->rootfs_len
), 1, fp
)) {
1070 ERR("error in fwrite(): %s", strerror(errno
));
1074 ERR("error in fopen(): %s", strerror(errno
));
1085 int main(int argc
, char *argv
[])
1087 int ret
= EXIT_FAILURE
;
1092 progname
= basename(argv
[0]);
1097 c
= getopt(argc
, argv
, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xX:hsSjv:");
1103 sscanf(optarg
, "0x%x", &rootfs_align
);
1112 sscanf(optarg
, "0x%x", &kernel_ep
);
1118 opt_hw_rev
= optarg
;
1121 sscanf(optarg
, "0x%x", &kernel_la
);
1136 kernel_info
.file_name
= optarg
;
1139 rootfs_info
.file_name
= optarg
;
1142 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1154 inspect_info
.file_name
= optarg
;
1163 usage(EXIT_SUCCESS
);
1166 sscanf(optarg
, "0x%x", &reserved_space
);
1169 usage(EXIT_FAILURE
);
1174 ret
= check_options();
1178 if (!inspect_info
.file_name
)