9fd5e3830a4b1ec059d492d22c5877edd8ffdbdc
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_ONION_OMEGA 0x04700001
39 #define HWID_TL_MR10U_V1 0x00100101
40 #define HWID_TL_MR13U_V1 0x00130101
41 #define HWID_TL_MR3020_V1 0x30200001
42 #define HWID_TL_MR3220_V1 0x32200001
43 #define HWID_TL_MR3220_V2 0x32200002
44 #define HWID_TL_MR3420_V1 0x34200001
45 #define HWID_TL_MR3420_V2 0x34200002
46 #define HWID_TL_WA701N_V1 0x07010001
47 #define HWID_TL_WA701N_V2 0x07010002
48 #define HWID_TL_WA7210N_V2 0x72100002
49 #define HWID_TL_WA7510N_V1 0x75100001
50 #define HWID_TL_WA801ND_V1 0x08010001
51 #define HWID_TL_WA830RE_V1 0x08300010
52 #define HWID_TL_WA830RE_V2 0x08300002
53 #define HWID_TL_WA801ND_V2 0x08010002
54 #define HWID_TL_WA801ND_V3 0x08010003
55 #define HWID_TL_WA901ND_V1 0x09010001
56 #define HWID_TL_WA901ND_V2 0x09010002
57 #define HWID_TL_WDR4300_V1_IL 0x43008001
58 #define HWID_TL_WDR4900_V1 0x49000001
59 #define HWID_TL_WR703N_V1 0x07030101
60 #define HWID_TL_WR720N_V3 0x07200103
61 #define HWID_TL_WR720N_V4 0x07200104
62 #define HWID_TL_WR741ND_V1 0x07410001
63 #define HWID_TL_WR741ND_V4 0x07410004
64 #define HWID_TL_WR740N_V1 0x07400001
65 #define HWID_TL_WR740N_V3 0x07400003
66 #define HWID_TL_WR743ND_V1 0x07430001
67 #define HWID_TL_WR743ND_V2 0x07430002
68 #define HWID_TL_WR841N_V1_5 0x08410002
69 #define HWID_TL_WR841ND_V3 0x08410003
70 #define HWID_TL_WR841ND_V5 0x08410005
71 #define HWID_TL_WR841ND_V7 0x08410007
72 #define HWID_TL_WR941ND_V2 0x09410002
73 #define HWID_TL_WR941ND_V4 0x09410004
74 #define HWID_TL_WR1043ND_V1 0x10430001
75 #define HWID_TL_WR1043ND_V2 0x10430002
76 #define HWID_TL_WR1041N_V2 0x10410002
77 #define HWID_TL_WR2543N_V1 0x25430001
82 char *file_name
; /* name of the file */
83 uint32_t file_size
; /* length of the file */
87 uint32_t version
; /* header version */
90 uint32_t hw_id
; /* hardware id */
91 uint32_t hw_rev
; /* hardware revision */
93 uint8_t md5sum1
[MD5SUM_LEN
];
95 uint8_t md5sum2
[MD5SUM_LEN
];
97 uint32_t kernel_la
; /* kernel load address */
98 uint32_t kernel_ep
; /* kernel entry point */
99 uint32_t fw_length
; /* total length of the firmware */
100 uint32_t kernel_ofs
; /* kernel data offset */
101 uint32_t kernel_len
; /* kernel data length */
102 uint32_t rootfs_ofs
; /* rootfs data offset */
103 uint32_t rootfs_len
; /* rootfs data length */
104 uint32_t boot_ofs
; /* bootloader data offset */
105 uint32_t boot_len
; /* bootloader data length */
110 } __attribute__ ((packed
));
112 struct flash_layout
{
131 static char *progname
;
132 static char *vendor
= "TP-LINK Technologies";
133 static char *version
= "ver. 1.0";
134 static char *fw_ver
= "0.0.0";
135 static uint32_t hdr_ver
= HEADER_VERSION_V1
;
137 static char *board_id
;
138 static struct board_info
*board
;
139 static char *layout_id
;
140 static struct flash_layout
*layout
;
141 static char *opt_hw_id
;
142 static uint32_t hw_id
;
143 static char *opt_hw_rev
;
144 static uint32_t hw_rev
;
145 static uint32_t opt_hdr_ver
= 1;
146 static int fw_ver_lo
;
147 static int fw_ver_mid
;
148 static int fw_ver_hi
;
149 static struct file_info kernel_info
;
150 static uint32_t kernel_la
= 0;
151 static uint32_t kernel_ep
= 0;
152 static uint32_t kernel_len
= 0;
153 static struct file_info rootfs_info
;
154 static uint32_t rootfs_ofs
= 0;
155 static uint32_t rootfs_align
;
156 static struct file_info boot_info
;
158 static int strip_padding
;
159 static int ignore_size
;
160 static int add_jffs2_eof
;
161 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
162 static uint32_t fw_max_len
;
163 static uint32_t reserved_space
;
165 static struct file_info inspect_info
;
166 static int extract
= 0;
168 char md5salt_normal
[MD5SUM_LEN
] = {
169 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
170 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
173 char md5salt_boot
[MD5SUM_LEN
] = {
174 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
175 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
178 static struct flash_layout layouts
[] = {
181 .fw_max_len
= 0x3c0000,
182 .kernel_la
= 0x80060000,
183 .kernel_ep
= 0x80060000,
184 .rootfs_ofs
= 0x140000,
187 .fw_max_len
= 0x3c0000,
188 .kernel_la
= 0x80060000,
189 .kernel_ep
= 0x80060000,
190 .rootfs_ofs
= 0x100000,
193 .fw_max_len
= 0x7c0000,
194 .kernel_la
= 0x80060000,
195 .kernel_ep
= 0x80060000,
196 .rootfs_ofs
= 0x140000,
199 .fw_max_len
= 0x7c0000,
200 .kernel_la
= 0x80060000,
201 .kernel_ep
= 0x80060000,
202 .rootfs_ofs
= 0x100000,
205 .fw_max_len
= 0xf80000,
206 .kernel_la
= 0x80060000,
207 .kernel_ep
= 0x80060000,
208 .rootfs_ofs
= 0x140000,
211 .fw_max_len
= 0xf80000,
212 .kernel_la
= 0x80060000,
213 .kernel_ep
= 0x80060000,
214 .rootfs_ofs
= 0x100000,
217 .fw_max_len
= 0xf80000,
218 .kernel_la
= 0x00000000,
219 .kernel_ep
= 0xc0000000,
220 .rootfs_ofs
= 0x2a0000,
222 /* terminating entry */
226 static struct board_info boards
[] = {
229 .hw_id
= HWID_TL_MR10U_V1
,
231 .layout_id
= "4Mlzma",
234 .hw_id
= HWID_TL_MR13U_V1
,
236 .layout_id
= "4Mlzma",
239 .hw_id
= HWID_TL_MR3020_V1
,
241 .layout_id
= "4Mlzma",
244 .hw_id
= HWID_TL_MR3220_V1
,
249 .hw_id
= HWID_TL_MR3220_V2
,
251 .layout_id
= "4Mlzma",
254 .hw_id
= HWID_TL_MR3420_V1
,
259 .hw_id
= HWID_TL_MR3420_V2
,
261 .layout_id
= "4Mlzma",
264 .hw_id
= HWID_TL_WA701N_V1
,
269 .hw_id
= HWID_TL_WA701N_V2
,
271 .layout_id
= "4Mlzma",
274 .hw_id
= HWID_TL_WA7210N_V2
,
276 .layout_id
= "4Mlzma",
279 .hw_id
= HWID_TL_WA7510N_V1
,
283 .id
= "TL-WA801NDv1",
284 .hw_id
= HWID_TL_WA801ND_V1
,
288 .id
= "TL-WA830REv1",
289 .hw_id
= HWID_TL_WA830RE_V1
,
293 .id
= "TL-WA830REv2",
294 .hw_id
= HWID_TL_WA830RE_V2
,
298 .id
= "TL-WA801NDv2",
299 .hw_id
= HWID_TL_WA801ND_V2
,
301 .layout_id
= "4Mlzma",
303 .id
= "TL-WA801NDv3",
304 .hw_id
= HWID_TL_WA801ND_V3
,
306 .layout_id
= "4Mlzma",
308 .id
= "TL-WA901NDv1",
309 .hw_id
= HWID_TL_WA901ND_V1
,
313 .id
= "TL-WA901NDv2",
314 .hw_id
= HWID_TL_WA901ND_V2
,
318 .id
= "TL-WDR4300v1",
319 .hw_id
= HWID_TL_WDR4300_V1_IL
,
321 .layout_id
= "8Mlzma",
323 .id
= "TL-WDR4900v1",
324 .hw_id
= HWID_TL_WDR4900_V1
,
326 .layout_id
= "16Mppc",
328 .id
= "TL-WR741NDv1",
329 .hw_id
= HWID_TL_WR741ND_V1
,
333 .id
= "TL-WR741NDv4",
334 .hw_id
= HWID_TL_WR741ND_V4
,
336 .layout_id
= "4Mlzma",
339 .hw_id
= HWID_TL_WR740N_V1
,
344 .hw_id
= HWID_TL_WR740N_V3
,
348 .id
= "TL-WR743NDv1",
349 .hw_id
= HWID_TL_WR743ND_V1
,
353 .id
= "TL-WR743NDv2",
354 .hw_id
= HWID_TL_WR743ND_V2
,
356 .layout_id
= "4Mlzma",
358 .id
= "TL-WR841Nv1.5",
359 .hw_id
= HWID_TL_WR841N_V1_5
,
363 .id
= "TL-WR841NDv3",
364 .hw_id
= HWID_TL_WR841ND_V3
,
368 .id
= "TL-WR841NDv5",
369 .hw_id
= HWID_TL_WR841ND_V5
,
373 .id
= "TL-WR841NDv7",
374 .hw_id
= HWID_TL_WR841ND_V7
,
378 .id
= "TL-WR941NDv2",
379 .hw_id
= HWID_TL_WR941ND_V2
,
383 .id
= "TL-WR941NDv4",
384 .hw_id
= HWID_TL_WR941ND_V4
,
388 .id
= "TL-WR1041Nv2",
389 .hw_id
= HWID_TL_WR1041N_V2
,
391 .layout_id
= "4Mlzma",
393 .id
= "TL-WR1043NDv1",
394 .hw_id
= HWID_TL_WR1043ND_V1
,
398 .id
= "TL-WR1043NDv2",
399 .hw_id
= HWID_TL_WR1043ND_V2
,
401 .layout_id
= "8Mlzma",
403 .id
= "TL-WR2543Nv1",
404 .hw_id
= HWID_TL_WR2543N_V1
,
406 .layout_id
= "8Mlzma",
409 .hw_id
= HWID_TL_WR703N_V1
,
411 .layout_id
= "4Mlzma",
414 .hw_id
= HWID_TL_WR720N_V3
,
416 .layout_id
= "4Mlzma",
419 .hw_id
= HWID_TL_WR720N_V4
,
421 .layout_id
= "4Mlzma",
424 .hw_id
= HWID_GL_INET_V1
,
426 .layout_id
= "8Mlzma",
429 .hw_id
= HWID_GS_OOLITE_V1
,
431 .layout_id
= "16Mlzma",
434 .hw_id
= HWID_ONION_OMEGA
,
436 .layout_id
= "16Mlzma",
439 .hw_id
= HWID_ANTMINER_S1
,
441 .layout_id
= "8Mlzma",
444 .hw_id
= HWID_ANTMINER_S3
,
446 .layout_id
= "8Mlzma",
448 /* terminating entry */
455 #define ERR(fmt, ...) do { \
457 fprintf(stderr, "[%s] *** error: " fmt "\n", \
458 progname, ## __VA_ARGS__ ); \
461 #define ERRS(fmt, ...) do { \
464 fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
465 progname, ## __VA_ARGS__, strerror(save)); \
468 #define DBG(fmt, ...) do { \
469 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
472 static struct board_info
*find_board(char *id
)
474 struct board_info
*ret
;
475 struct board_info
*board
;
478 for (board
= boards
; board
->id
!= NULL
; board
++){
479 if (strcasecmp(id
, board
->id
) == 0) {
488 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
490 struct board_info
*board
;
492 for (board
= boards
; board
->id
!= NULL
; board
++) {
493 if (hw_id
== board
->hw_id
)
500 static struct flash_layout
*find_layout(char *id
)
502 struct flash_layout
*ret
;
503 struct flash_layout
*l
;
506 for (l
= layouts
; l
->id
!= NULL
; l
++){
507 if (strcasecmp(id
, l
->id
) == 0) {
516 static void usage(int status
)
518 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
519 struct board_info
*board
;
521 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
525 " -B <board> create image for the board specified with <board>\n"
526 " -c use combined kernel image\n"
527 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
528 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
529 " -H <hwid> use hardware id specified with <hwid>\n"
530 " -W <hwrev> use hardware revision specified with <hwrev>\n"
531 " -F <id> use flash layout specified with <id>\n"
532 " -k <file> read kernel image from the file <file>\n"
533 " -r <file> read rootfs image from the file <file>\n"
534 " -a <align> align the rootfs start on an <align> bytes boundary\n"
535 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
536 " -o <file> write output to the file <file>\n"
537 " -s strip padding from the end of the image\n"
538 " -S ignore firmware size limit (only for combined images)\n"
539 " -j add jffs2 end-of-filesystem markers\n"
540 " -N <vendor> set image vendor to <vendor>\n"
541 " -V <version> set image version to <version>\n"
542 " -v <version> set firmware version to <version>\n"
543 " -m <version> set header version to <version>\n"
544 " -i <file> inspect given firmware file <file>\n"
545 " -x extract kernel and rootfs while inspecting (requires -i)\n"
546 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
547 " -h show this screen\n"
553 static int get_md5(char *data
, int size
, char *md5
)
558 MD5_Update(&ctx
, data
, size
);
559 MD5_Final(md5
, &ctx
);
562 static int get_file_stat(struct file_info
*fdata
)
567 if (fdata
->file_name
== NULL
)
570 res
= stat(fdata
->file_name
, &st
);
572 ERRS("stat failed on %s", fdata
->file_name
);
576 fdata
->file_size
= st
.st_size
;
580 static int read_to_buf(struct file_info
*fdata
, char *buf
)
583 int ret
= EXIT_FAILURE
;
585 f
= fopen(fdata
->file_name
, "r");
587 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
592 fread(buf
, fdata
->file_size
, 1, f
);
594 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
606 static int check_options(void)
611 if (inspect_info
.file_name
) {
612 ret
= get_file_stat(&inspect_info
);
617 } else if (extract
) {
618 ERR("no firmware for inspection specified");
622 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
623 ERR("either board or hardware id must be specified");
628 board
= find_board(board_id
);
630 ERR("unknown/unsupported board id \"%s\"", board_id
);
633 if (layout_id
== NULL
)
634 layout_id
= board
->layout_id
;
636 hw_id
= board
->hw_id
;
637 hw_rev
= board
->hw_rev
;
639 if (layout_id
== NULL
) {
640 ERR("flash layout is not specified");
643 hw_id
= strtoul(opt_hw_id
, NULL
, 0);
646 hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
651 layout
= find_layout(layout_id
);
652 if (layout
== NULL
) {
653 ERR("unknown flash layout \"%s\"", layout_id
);
658 kernel_la
= layout
->kernel_la
;
660 kernel_ep
= layout
->kernel_ep
;
662 rootfs_ofs
= layout
->rootfs_ofs
;
664 if (reserved_space
> layout
->fw_max_len
) {
665 ERR("reserved space is not valid");
669 fw_max_len
= layout
->fw_max_len
- reserved_space
;
671 if (kernel_info
.file_name
== NULL
) {
672 ERR("no kernel image specified");
676 ret
= get_file_stat(&kernel_info
);
680 kernel_len
= kernel_info
.file_size
;
683 exceed_bytes
= kernel_info
.file_size
- (fw_max_len
- sizeof(struct fw_header
));
684 if (exceed_bytes
> 0) {
686 ERR("kernel image is too big by %i bytes", exceed_bytes
);
689 layout
->fw_max_len
= sizeof(struct fw_header
) +
690 kernel_info
.file_size
+
694 if (rootfs_info
.file_name
== NULL
) {
695 ERR("no rootfs image specified");
699 ret
= get_file_stat(&rootfs_info
);
704 kernel_len
+= sizeof(struct fw_header
);
705 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
706 kernel_len
-= sizeof(struct fw_header
);
708 DBG("kernel length aligned to %u", kernel_len
);
710 exceed_bytes
= kernel_len
+ rootfs_info
.file_size
- (fw_max_len
- sizeof(struct fw_header
));
711 if (exceed_bytes
> 0) {
712 ERR("images are too big by %i bytes", exceed_bytes
);
716 exceed_bytes
= kernel_info
.file_size
- (rootfs_ofs
- sizeof(struct fw_header
));
717 if (exceed_bytes
> 0) {
718 ERR("kernel image is too big by %i bytes", exceed_bytes
);
722 exceed_bytes
= rootfs_info
.file_size
- (fw_max_len
- rootfs_ofs
);
723 if (exceed_bytes
> 0) {
724 ERR("rootfs image is too big by %i bytes", exceed_bytes
);
730 if (ofname
== NULL
) {
731 ERR("no output file specified");
735 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
737 ERR("invalid firmware version '%s'", fw_ver
);
741 if (opt_hdr_ver
== 1) {
742 hdr_ver
= HEADER_VERSION_V1
;
743 } else if (opt_hdr_ver
== 2) {
744 hdr_ver
= HEADER_VERSION_V2
;
746 ERR("invalid header version '%u'", opt_hdr_ver
);
753 static void fill_header(char *buf
, int len
)
755 struct fw_header
*hdr
= (struct fw_header
*)buf
;
757 memset(hdr
, 0, sizeof(struct fw_header
));
759 hdr
->version
= htonl(hdr_ver
);
760 strncpy(hdr
->vendor_name
, vendor
, sizeof(hdr
->vendor_name
));
761 strncpy(hdr
->fw_version
, version
, sizeof(hdr
->fw_version
));
762 hdr
->hw_id
= htonl(hw_id
);
763 hdr
->hw_rev
= htonl(hw_rev
);
765 if (boot_info
.file_size
== 0)
766 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
768 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
770 hdr
->kernel_la
= htonl(kernel_la
);
771 hdr
->kernel_ep
= htonl(kernel_ep
);
772 hdr
->fw_length
= htonl(layout
->fw_max_len
);
773 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
774 hdr
->kernel_len
= htonl(kernel_len
);
776 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
777 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
780 hdr
->ver_hi
= htons(fw_ver_hi
);
781 hdr
->ver_mid
= htons(fw_ver_mid
);
782 hdr
->ver_lo
= htons(fw_ver_lo
);
784 get_md5(buf
, len
, hdr
->md5sum1
);
787 static int pad_jffs2(char *buf
, int currlen
)
793 pad_mask
= (64 * 1024);
794 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
798 for (i
= 10; i
< 32; i
++) {
804 len
= ALIGN(len
, mask
);
806 for (i
= 10; i
< 32; i
++) {
808 if ((len
& (mask
- 1)) == 0)
812 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
813 buf
[len
+ i
] = jffs2_eof_mark
[i
];
815 len
+= sizeof(jffs2_eof_mark
);
821 static int write_fw(char *data
, int len
)
824 int ret
= EXIT_FAILURE
;
826 f
= fopen(ofname
, "w");
828 ERRS("could not open \"%s\" for writing", ofname
);
833 fwrite(data
, len
, 1, f
);
835 ERRS("unable to write output file");
839 DBG("firmware file \"%s\" completed", ofname
);
846 if (ret
!= EXIT_SUCCESS
) {
853 static int build_fw(void)
858 int ret
= EXIT_FAILURE
;
861 buflen
= layout
->fw_max_len
;
863 buf
= malloc(buflen
);
865 ERR("no memory for buffer\n");
869 memset(buf
, 0xff, buflen
);
870 p
= buf
+ sizeof(struct fw_header
);
871 ret
= read_to_buf(&kernel_info
, p
);
875 writelen
= sizeof(struct fw_header
) + kernel_len
;
881 p
= buf
+ rootfs_ofs
;
883 ret
= read_to_buf(&rootfs_info
, p
);
888 writelen
+= rootfs_info
.file_size
;
890 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
893 writelen
= pad_jffs2(buf
, writelen
);
899 fill_header(buf
, writelen
);
900 ret
= write_fw(buf
, writelen
);
912 /* Helper functions to inspect_fw() representing different output formats */
913 static inline void inspect_fw_pstr(char *label
, char *str
)
915 printf("%-23s: %s\n", label
, str
);
918 static inline void inspect_fw_phex(char *label
, uint32_t val
)
920 printf("%-23s: 0x%08x\n", label
, val
);
923 static inline void inspect_fw_phexpost(char *label
,
924 uint32_t val
, char *post
)
926 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
929 static inline void inspect_fw_phexdef(char *label
,
930 uint32_t val
, uint32_t defval
)
932 printf("%-23s: 0x%08x ", label
, val
);
935 printf("(== OpenWrt default)\n");
937 printf("(OpenWrt default: 0x%08x)\n", defval
);
940 static inline void inspect_fw_phexexp(char *label
,
941 uint32_t val
, uint32_t expval
)
943 printf("%-23s: 0x%08x ", label
, val
);
948 printf("(expected: 0x%08x)\n", expval
);
951 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
953 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
956 static inline void inspect_fw_phexdecdef(char *label
,
957 uint32_t val
, uint32_t defval
)
959 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
962 printf("(== OpenWrt default)\n");
964 printf("(OpenWrt default: 0x%08x)\n", defval
);
967 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
971 printf("%-23s:", label
);
972 for (i
=0; i
<MD5SUM_LEN
; i
++)
973 printf(" %02x", val
[i
]);
974 printf(" %s\n", text
);
977 static int inspect_fw(void)
980 struct fw_header
*hdr
;
981 uint8_t md5sum
[MD5SUM_LEN
];
982 struct board_info
*board
;
983 int ret
= EXIT_FAILURE
;
985 buf
= malloc(inspect_info
.file_size
);
987 ERR("no memory for buffer!\n");
991 ret
= read_to_buf(&inspect_info
, buf
);
994 hdr
= (struct fw_header
*)buf
;
996 inspect_fw_pstr("File name", inspect_info
.file_name
);
997 inspect_fw_phexdec("File size", inspect_info
.file_size
);
999 if ((ntohl(hdr
->version
) != HEADER_VERSION_V1
) &&
1000 (ntohl(hdr
->version
) != HEADER_VERSION_V2
)) {
1001 ERR("file does not seem to have V1/V2 header!\n");
1005 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header
));
1007 if (ntohl(hdr
->unk1
) != 0)
1008 inspect_fw_phexdec("Unknown value 1", hdr
->unk1
);
1010 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
1011 if (ntohl(hdr
->boot_len
) == 0)
1012 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
1014 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
1015 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
1017 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
1018 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
1019 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
1021 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
1023 if (ntohl(hdr
->unk2
) != 0)
1024 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
1025 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
1026 "(purpose yet unknown, unchecked here)");
1027 if (ntohl(hdr
->unk3
) != 0)
1028 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
1032 inspect_fw_pstr("Vendor name", hdr
->vendor_name
);
1033 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
1034 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
1036 layout
= find_layout(board
->layout_id
);
1037 inspect_fw_phexpost("Hardware ID",
1038 ntohl(hdr
->hw_id
), board
->id
);
1039 inspect_fw_phexexp("Hardware Revision",
1040 ntohl(hdr
->hw_rev
), board
->hw_rev
);
1042 inspect_fw_phexpost("Hardware ID",
1043 ntohl(hdr
->hw_id
), "unknown");
1044 inspect_fw_phex("Hardware Revision",
1045 ntohl(hdr
->hw_rev
));
1050 inspect_fw_phexdec("Kernel data offset",
1051 ntohl(hdr
->kernel_ofs
));
1052 inspect_fw_phexdec("Kernel data length",
1053 ntohl(hdr
->kernel_len
));
1055 inspect_fw_phexdef("Kernel load address",
1056 ntohl(hdr
->kernel_la
),
1057 layout
? layout
->kernel_la
: 0xffffffff);
1058 inspect_fw_phexdef("Kernel entry point",
1059 ntohl(hdr
->kernel_ep
),
1060 layout
? layout
->kernel_ep
: 0xffffffff);
1061 inspect_fw_phexdecdef("Rootfs data offset",
1062 ntohl(hdr
->rootfs_ofs
),
1063 layout
? layout
->rootfs_ofs
: 0xffffffff);
1065 inspect_fw_phex("Kernel load address",
1066 ntohl(hdr
->kernel_la
));
1067 inspect_fw_phex("Kernel entry point",
1068 ntohl(hdr
->kernel_ep
));
1069 inspect_fw_phexdec("Rootfs data offset",
1070 ntohl(hdr
->rootfs_ofs
));
1072 inspect_fw_phexdec("Rootfs data length",
1073 ntohl(hdr
->rootfs_len
));
1074 inspect_fw_phexdec("Boot loader data offset",
1075 ntohl(hdr
->boot_ofs
));
1076 inspect_fw_phexdec("Boot loader data length",
1077 ntohl(hdr
->boot_len
));
1078 inspect_fw_phexdec("Total firmware length",
1079 ntohl(hdr
->fw_length
));
1087 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1088 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
1089 printf("Extracting kernel to \"%s\"...\n", filename
);
1090 fp
= fopen(filename
, "w");
1092 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
1093 ntohl(hdr
->kernel_len
), 1, fp
)) {
1094 ERR("error in fwrite(): %s", strerror(errno
));
1098 ERR("error in fopen(): %s", strerror(errno
));
1102 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1103 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
1104 printf("Extracting rootfs to \"%s\"...\n", filename
);
1105 fp
= fopen(filename
, "w");
1107 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
1108 ntohl(hdr
->rootfs_len
), 1, fp
)) {
1109 ERR("error in fwrite(): %s", strerror(errno
));
1113 ERR("error in fopen(): %s", strerror(errno
));
1124 int main(int argc
, char *argv
[])
1126 int ret
= EXIT_FAILURE
;
1131 progname
= basename(argv
[0]);
1136 c
= getopt(argc
, argv
, "a:B:H:E:F:L:m:V:N:W:ci:k:r:R:o:xX:hsSjv:");
1142 sscanf(optarg
, "0x%x", &rootfs_align
);
1151 sscanf(optarg
, "0x%x", &kernel_ep
);
1157 opt_hw_rev
= optarg
;
1160 sscanf(optarg
, "0x%x", &kernel_la
);
1163 sscanf(optarg
, "%u", &opt_hdr_ver
);
1178 kernel_info
.file_name
= optarg
;
1181 rootfs_info
.file_name
= optarg
;
1184 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1196 inspect_info
.file_name
= optarg
;
1205 usage(EXIT_SUCCESS
);
1208 sscanf(optarg
, "0x%x", &reserved_space
);
1211 usage(EXIT_FAILURE
);
1216 ret
= check_options();
1220 if (!inspect_info
.file_name
)