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 0x04440001
35 #define HWID_ANTMINER_S3 0x04440003
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_WA901ND_V1 0x09010001
55 #define HWID_TL_WA901ND_V2 0x09010002
56 #define HWID_TL_WDR4300_V1_IL 0x43008001
57 #define HWID_TL_WDR4900_V1 0x49000001
58 #define HWID_TL_WR703N_V1 0x07030101
59 #define HWID_TL_WR720N_V3 0x07200103
60 #define HWID_TL_WR720N_V4 0x07200104
61 #define HWID_TL_WR741ND_V1 0x07410001
62 #define HWID_TL_WR741ND_V4 0x07410004
63 #define HWID_TL_WR740N_V1 0x07400001
64 #define HWID_TL_WR740N_V3 0x07400003
65 #define HWID_TL_WR743ND_V1 0x07430001
66 #define HWID_TL_WR743ND_V2 0x07430002
67 #define HWID_TL_WR841N_V1_5 0x08410002
68 #define HWID_TL_WR841ND_V3 0x08410003
69 #define HWID_TL_WR841ND_V5 0x08410005
70 #define HWID_TL_WR841ND_V7 0x08410007
71 #define HWID_TL_WR941ND_V2 0x09410002
72 #define HWID_TL_WR941ND_V4 0x09410004
73 #define HWID_TL_WR1043ND_V1 0x10430001
74 #define HWID_TL_WR1043ND_V2 0x10430002
75 #define HWID_TL_WR1041N_V2 0x10410002
76 #define HWID_TL_WR2543N_V1 0x25430001
81 char *file_name
; /* name of the file */
82 uint32_t file_size
; /* length of the file */
86 uint32_t version
; /* header version */
89 uint32_t hw_id
; /* hardware id */
90 uint32_t hw_rev
; /* hardware revision */
92 uint8_t md5sum1
[MD5SUM_LEN
];
94 uint8_t md5sum2
[MD5SUM_LEN
];
96 uint32_t kernel_la
; /* kernel load address */
97 uint32_t kernel_ep
; /* kernel entry point */
98 uint32_t fw_length
; /* total length of the firmware */
99 uint32_t kernel_ofs
; /* kernel data offset */
100 uint32_t kernel_len
; /* kernel data length */
101 uint32_t rootfs_ofs
; /* rootfs data offset */
102 uint32_t rootfs_len
; /* rootfs data length */
103 uint32_t boot_ofs
; /* bootloader data offset */
104 uint32_t boot_len
; /* bootloader data length */
109 } __attribute__ ((packed
));
111 struct flash_layout
{
130 static char *progname
;
131 static char *vendor
= "TP-LINK Technologies";
132 static char *version
= "ver. 1.0";
133 static char *fw_ver
= "0.0.0";
134 static uint32_t hdr_ver
= HEADER_VERSION_V1
;
136 static char *board_id
;
137 static struct board_info
*board
;
138 static char *layout_id
;
139 static struct flash_layout
*layout
;
140 static char *opt_hw_id
;
141 static uint32_t hw_id
;
142 static char *opt_hw_rev
;
143 static uint32_t hw_rev
;
144 static uint32_t opt_hdr_ver
= 1;
145 static int fw_ver_lo
;
146 static int fw_ver_mid
;
147 static int fw_ver_hi
;
148 static struct file_info kernel_info
;
149 static uint32_t kernel_la
= 0;
150 static uint32_t kernel_ep
= 0;
151 static uint32_t kernel_len
= 0;
152 static struct file_info rootfs_info
;
153 static uint32_t rootfs_ofs
= 0;
154 static uint32_t rootfs_align
;
155 static struct file_info boot_info
;
157 static int strip_padding
;
158 static int ignore_size
;
159 static int add_jffs2_eof
;
160 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
161 static uint32_t fw_max_len
;
162 static uint32_t reserved_space
;
164 static struct file_info inspect_info
;
165 static int extract
= 0;
167 char md5salt_normal
[MD5SUM_LEN
] = {
168 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
169 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
172 char md5salt_boot
[MD5SUM_LEN
] = {
173 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
174 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
177 static struct flash_layout layouts
[] = {
180 .fw_max_len
= 0x3c0000,
181 .kernel_la
= 0x80060000,
182 .kernel_ep
= 0x80060000,
183 .rootfs_ofs
= 0x140000,
186 .fw_max_len
= 0x3c0000,
187 .kernel_la
= 0x80060000,
188 .kernel_ep
= 0x80060000,
189 .rootfs_ofs
= 0x100000,
192 .fw_max_len
= 0x7c0000,
193 .kernel_la
= 0x80060000,
194 .kernel_ep
= 0x80060000,
195 .rootfs_ofs
= 0x140000,
198 .fw_max_len
= 0x7c0000,
199 .kernel_la
= 0x80060000,
200 .kernel_ep
= 0x80060000,
201 .rootfs_ofs
= 0x100000,
204 .fw_max_len
= 0xf80000,
205 .kernel_la
= 0x80060000,
206 .kernel_ep
= 0x80060000,
207 .rootfs_ofs
= 0x140000,
210 .fw_max_len
= 0xf80000,
211 .kernel_la
= 0x80060000,
212 .kernel_ep
= 0x80060000,
213 .rootfs_ofs
= 0x100000,
216 .fw_max_len
= 0xf80000,
217 .kernel_la
= 0x00000000,
218 .kernel_ep
= 0xc0000000,
219 .rootfs_ofs
= 0x2a0000,
221 /* terminating entry */
225 static struct board_info boards
[] = {
228 .hw_id
= HWID_TL_MR10U_V1
,
230 .layout_id
= "4Mlzma",
233 .hw_id
= HWID_TL_MR13U_V1
,
235 .layout_id
= "4Mlzma",
238 .hw_id
= HWID_TL_MR3020_V1
,
240 .layout_id
= "4Mlzma",
243 .hw_id
= HWID_TL_MR3220_V1
,
248 .hw_id
= HWID_TL_MR3220_V2
,
250 .layout_id
= "4Mlzma",
253 .hw_id
= HWID_TL_MR3420_V1
,
258 .hw_id
= HWID_TL_MR3420_V2
,
260 .layout_id
= "4Mlzma",
263 .hw_id
= HWID_TL_WA701N_V1
,
268 .hw_id
= HWID_TL_WA701N_V2
,
270 .layout_id
= "4Mlzma",
273 .hw_id
= HWID_TL_WA7210N_V2
,
275 .layout_id
= "4Mlzma",
278 .hw_id
= HWID_TL_WA7510N_V1
,
282 .id
= "TL-WA801NDv1",
283 .hw_id
= HWID_TL_WA801ND_V1
,
287 .id
= "TL-WA830REv1",
288 .hw_id
= HWID_TL_WA830RE_V1
,
292 .id
= "TL-WA830REv2",
293 .hw_id
= HWID_TL_WA830RE_V2
,
297 .id
= "TL-WA801NDv2",
298 .hw_id
= HWID_TL_WA801ND_V2
,
300 .layout_id
= "4Mlzma",
302 .id
= "TL-WA901NDv1",
303 .hw_id
= HWID_TL_WA901ND_V1
,
307 .id
= "TL-WA901NDv2",
308 .hw_id
= HWID_TL_WA901ND_V2
,
312 .id
= "TL-WDR4300v1",
313 .hw_id
= HWID_TL_WDR4300_V1_IL
,
315 .layout_id
= "8Mlzma",
317 .id
= "TL-WDR4900v1",
318 .hw_id
= HWID_TL_WDR4900_V1
,
320 .layout_id
= "16Mppc",
322 .id
= "TL-WR741NDv1",
323 .hw_id
= HWID_TL_WR741ND_V1
,
327 .id
= "TL-WR741NDv4",
328 .hw_id
= HWID_TL_WR741ND_V4
,
330 .layout_id
= "4Mlzma",
333 .hw_id
= HWID_TL_WR740N_V1
,
338 .hw_id
= HWID_TL_WR740N_V3
,
342 .id
= "TL-WR743NDv1",
343 .hw_id
= HWID_TL_WR743ND_V1
,
347 .id
= "TL-WR743NDv2",
348 .hw_id
= HWID_TL_WR743ND_V2
,
350 .layout_id
= "4Mlzma",
352 .id
= "TL-WR841Nv1.5",
353 .hw_id
= HWID_TL_WR841N_V1_5
,
357 .id
= "TL-WR841NDv3",
358 .hw_id
= HWID_TL_WR841ND_V3
,
362 .id
= "TL-WR841NDv5",
363 .hw_id
= HWID_TL_WR841ND_V5
,
367 .id
= "TL-WR841NDv7",
368 .hw_id
= HWID_TL_WR841ND_V7
,
372 .id
= "TL-WR941NDv2",
373 .hw_id
= HWID_TL_WR941ND_V2
,
377 .id
= "TL-WR941NDv4",
378 .hw_id
= HWID_TL_WR941ND_V4
,
382 .id
= "TL-WR1041Nv2",
383 .hw_id
= HWID_TL_WR1041N_V2
,
385 .layout_id
= "4Mlzma",
387 .id
= "TL-WR1043NDv1",
388 .hw_id
= HWID_TL_WR1043ND_V1
,
392 .id
= "TL-WR1043NDv2",
393 .hw_id
= HWID_TL_WR1043ND_V2
,
395 .layout_id
= "8Mlzma",
397 .id
= "TL-WR2543Nv1",
398 .hw_id
= HWID_TL_WR2543N_V1
,
400 .layout_id
= "8Mlzma",
403 .hw_id
= HWID_TL_WR703N_V1
,
405 .layout_id
= "4Mlzma",
408 .hw_id
= HWID_TL_WR720N_V3
,
410 .layout_id
= "4Mlzma",
413 .hw_id
= HWID_TL_WR720N_V4
,
415 .layout_id
= "4Mlzma",
418 .hw_id
= HWID_GL_INET_V1
,
420 .layout_id
= "8Mlzma",
423 .hw_id
= HWID_GS_OOLITE_V1
,
425 .layout_id
= "16Mlzma",
428 .hw_id
= HWID_ONION_OMEGA
,
430 .layout_id
= "16Mlzma",
433 .hw_id
= HWID_ANTMINER_S1
,
435 .layout_id
= "8Mlzma",
437 /* terminating entry */
444 #define ERR(fmt, ...) do { \
446 fprintf(stderr, "[%s] *** error: " fmt "\n", \
447 progname, ## __VA_ARGS__ ); \
450 #define ERRS(fmt, ...) do { \
453 fprintf(stderr, "[%s] *** error: " fmt "\n", \
454 progname, ## __VA_ARGS__, strerror(save)); \
457 #define DBG(fmt, ...) do { \
458 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
461 static struct board_info
*find_board(char *id
)
463 struct board_info
*ret
;
464 struct board_info
*board
;
467 for (board
= boards
; board
->id
!= NULL
; board
++){
468 if (strcasecmp(id
, board
->id
) == 0) {
477 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
479 struct board_info
*board
;
481 for (board
= boards
; board
->id
!= NULL
; board
++) {
482 if (hw_id
== board
->hw_id
)
489 static struct flash_layout
*find_layout(char *id
)
491 struct flash_layout
*ret
;
492 struct flash_layout
*l
;
495 for (l
= layouts
; l
->id
!= NULL
; l
++){
496 if (strcasecmp(id
, l
->id
) == 0) {
505 static void usage(int status
)
507 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
508 struct board_info
*board
;
510 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
514 " -B <board> create image for the board specified with <board>\n"
515 " -c use combined kernel image\n"
516 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
517 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
518 " -H <hwid> use hardware id specified with <hwid>\n"
519 " -W <hwrev> use hardware revision specified with <hwrev>\n"
520 " -F <id> use flash layout specified with <id>\n"
521 " -k <file> read kernel image from the file <file>\n"
522 " -r <file> read rootfs image from the file <file>\n"
523 " -a <align> align the rootfs start on an <align> bytes boundary\n"
524 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
525 " -o <file> write output to the file <file>\n"
526 " -s strip padding from the end of the image\n"
527 " -S ignore firmware size limit (only for combined images)\n"
528 " -j add jffs2 end-of-filesystem markers\n"
529 " -N <vendor> set image vendor to <vendor>\n"
530 " -V <version> set image version to <version>\n"
531 " -v <version> set firmware version to <version>\n"
532 " -m <version> set header version to <version>\n"
533 " -i <file> inspect given firmware file <file>\n"
534 " -x extract kernel and rootfs while inspecting (requires -i)\n"
535 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
536 " -h show this screen\n"
542 static int get_md5(char *data
, int size
, char *md5
)
547 MD5_Update(&ctx
, data
, size
);
548 MD5_Final(md5
, &ctx
);
551 static int get_file_stat(struct file_info
*fdata
)
556 if (fdata
->file_name
== NULL
)
559 res
= stat(fdata
->file_name
, &st
);
561 ERRS("stat failed on %s", fdata
->file_name
);
565 fdata
->file_size
= st
.st_size
;
569 static int read_to_buf(struct file_info
*fdata
, char *buf
)
572 int ret
= EXIT_FAILURE
;
574 f
= fopen(fdata
->file_name
, "r");
576 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
581 fread(buf
, fdata
->file_size
, 1, f
);
583 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
595 static int check_options(void)
600 if (inspect_info
.file_name
) {
601 ret
= get_file_stat(&inspect_info
);
606 } else if (extract
) {
607 ERR("no firmware for inspection specified");
611 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
612 ERR("either board or hardware id must be specified");
617 board
= find_board(board_id
);
619 ERR("unknown/unsupported board id \"%s\"", board_id
);
622 if (layout_id
== NULL
)
623 layout_id
= board
->layout_id
;
625 hw_id
= board
->hw_id
;
626 hw_rev
= board
->hw_rev
;
628 if (layout_id
== NULL
) {
629 ERR("flash layout is not specified");
632 hw_id
= strtoul(opt_hw_id
, NULL
, 0);
635 hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
640 layout
= find_layout(layout_id
);
641 if (layout
== NULL
) {
642 ERR("unknown flash layout \"%s\"", layout_id
);
647 kernel_la
= layout
->kernel_la
;
649 kernel_ep
= layout
->kernel_ep
;
651 rootfs_ofs
= layout
->rootfs_ofs
;
653 if (reserved_space
> layout
->fw_max_len
) {
654 ERR("reserved space is not valid");
658 fw_max_len
= layout
->fw_max_len
- reserved_space
;
660 if (kernel_info
.file_name
== NULL
) {
661 ERR("no kernel image specified");
665 ret
= get_file_stat(&kernel_info
);
669 kernel_len
= kernel_info
.file_size
;
672 exceed_bytes
= kernel_info
.file_size
- (fw_max_len
- sizeof(struct fw_header
));
673 if (exceed_bytes
> 0) {
675 ERR("kernel image is too big by %i bytes", exceed_bytes
);
678 layout
->fw_max_len
= sizeof(struct fw_header
) +
679 kernel_info
.file_size
+
683 if (rootfs_info
.file_name
== NULL
) {
684 ERR("no rootfs image specified");
688 ret
= get_file_stat(&rootfs_info
);
693 kernel_len
+= sizeof(struct fw_header
);
694 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
695 kernel_len
-= sizeof(struct fw_header
);
697 DBG("kernel length aligned to %u", kernel_len
);
699 exceed_bytes
= kernel_len
+ rootfs_info
.file_size
- (fw_max_len
- sizeof(struct fw_header
));
700 if (exceed_bytes
> 0) {
701 ERR("images are too big by %i bytes", exceed_bytes
);
705 exceed_bytes
= kernel_info
.file_size
- (rootfs_ofs
- sizeof(struct fw_header
));
706 if (exceed_bytes
> 0) {
707 ERR("kernel image is too big");
711 exceed_bytes
= rootfs_info
.file_size
- (fw_max_len
- rootfs_ofs
);
712 if (exceed_bytes
> 0) {
713 ERR("rootfs image is too big");
719 if (ofname
== NULL
) {
720 ERR("no output file specified");
724 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
726 ERR("invalid firmware version '%s'", fw_ver
);
730 if (opt_hdr_ver
== 1) {
731 hdr_ver
= HEADER_VERSION_V1
;
732 } else if (opt_hdr_ver
== 2) {
733 hdr_ver
= HEADER_VERSION_V2
;
735 ERR("invalid header version '%u'", opt_hdr_ver
);
742 static void fill_header(char *buf
, int len
)
744 struct fw_header
*hdr
= (struct fw_header
*)buf
;
746 memset(hdr
, 0, sizeof(struct fw_header
));
748 hdr
->version
= htonl(hdr_ver
);
749 strncpy(hdr
->vendor_name
, vendor
, sizeof(hdr
->vendor_name
));
750 strncpy(hdr
->fw_version
, version
, sizeof(hdr
->fw_version
));
751 hdr
->hw_id
= htonl(hw_id
);
752 hdr
->hw_rev
= htonl(hw_rev
);
754 if (boot_info
.file_size
== 0)
755 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
757 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
759 hdr
->kernel_la
= htonl(kernel_la
);
760 hdr
->kernel_ep
= htonl(kernel_ep
);
761 hdr
->fw_length
= htonl(layout
->fw_max_len
);
762 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
763 hdr
->kernel_len
= htonl(kernel_len
);
765 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
766 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
769 hdr
->ver_hi
= htons(fw_ver_hi
);
770 hdr
->ver_mid
= htons(fw_ver_mid
);
771 hdr
->ver_lo
= htons(fw_ver_lo
);
773 get_md5(buf
, len
, hdr
->md5sum1
);
776 static int pad_jffs2(char *buf
, int currlen
)
782 pad_mask
= (64 * 1024);
783 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
787 for (i
= 10; i
< 32; i
++) {
793 len
= ALIGN(len
, mask
);
795 for (i
= 10; i
< 32; i
++) {
797 if ((len
& (mask
- 1)) == 0)
801 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
802 buf
[len
+ i
] = jffs2_eof_mark
[i
];
804 len
+= sizeof(jffs2_eof_mark
);
810 static int write_fw(char *data
, int len
)
813 int ret
= EXIT_FAILURE
;
815 f
= fopen(ofname
, "w");
817 ERRS("could not open \"%s\" for writing", ofname
);
822 fwrite(data
, len
, 1, f
);
824 ERRS("unable to write output file");
828 DBG("firmware file \"%s\" completed", ofname
);
835 if (ret
!= EXIT_SUCCESS
) {
842 static int build_fw(void)
847 int ret
= EXIT_FAILURE
;
850 buflen
= layout
->fw_max_len
;
852 buf
= malloc(buflen
);
854 ERR("no memory for buffer\n");
858 memset(buf
, 0xff, buflen
);
859 p
= buf
+ sizeof(struct fw_header
);
860 ret
= read_to_buf(&kernel_info
, p
);
864 writelen
= sizeof(struct fw_header
) + kernel_len
;
870 p
= buf
+ rootfs_ofs
;
872 ret
= read_to_buf(&rootfs_info
, p
);
877 writelen
+= rootfs_info
.file_size
;
879 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
882 writelen
= pad_jffs2(buf
, writelen
);
888 fill_header(buf
, writelen
);
889 ret
= write_fw(buf
, writelen
);
901 /* Helper functions to inspect_fw() representing different output formats */
902 static inline void inspect_fw_pstr(char *label
, char *str
)
904 printf("%-23s: %s\n", label
, str
);
907 static inline void inspect_fw_phex(char *label
, uint32_t val
)
909 printf("%-23s: 0x%08x\n", label
, val
);
912 static inline void inspect_fw_phexpost(char *label
,
913 uint32_t val
, char *post
)
915 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
918 static inline void inspect_fw_phexdef(char *label
,
919 uint32_t val
, uint32_t defval
)
921 printf("%-23s: 0x%08x ", label
, val
);
924 printf("(== OpenWrt default)\n");
926 printf("(OpenWrt default: 0x%08x)\n", defval
);
929 static inline void inspect_fw_phexexp(char *label
,
930 uint32_t val
, uint32_t expval
)
932 printf("%-23s: 0x%08x ", label
, val
);
937 printf("(expected: 0x%08x)\n", expval
);
940 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
942 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
945 static inline void inspect_fw_phexdecdef(char *label
,
946 uint32_t val
, uint32_t defval
)
948 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
951 printf("(== OpenWrt default)\n");
953 printf("(OpenWrt default: 0x%08x)\n", defval
);
956 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
960 printf("%-23s:", label
);
961 for (i
=0; i
<MD5SUM_LEN
; i
++)
962 printf(" %02x", val
[i
]);
963 printf(" %s\n", text
);
966 static int inspect_fw(void)
969 struct fw_header
*hdr
;
970 uint8_t md5sum
[MD5SUM_LEN
];
971 struct board_info
*board
;
972 int ret
= EXIT_FAILURE
;
974 buf
= malloc(inspect_info
.file_size
);
976 ERR("no memory for buffer!\n");
980 ret
= read_to_buf(&inspect_info
, buf
);
983 hdr
= (struct fw_header
*)buf
;
985 inspect_fw_pstr("File name", inspect_info
.file_name
);
986 inspect_fw_phexdec("File size", inspect_info
.file_size
);
988 if ((ntohl(hdr
->version
) != HEADER_VERSION_V1
) &&
989 (ntohl(hdr
->version
) != HEADER_VERSION_V2
)) {
990 ERR("file does not seem to have V1/V2 header!\n");
994 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header
));
996 if (ntohl(hdr
->unk1
) != 0)
997 inspect_fw_phexdec("Unknown value 1", hdr
->unk1
);
999 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
1000 if (ntohl(hdr
->boot_len
) == 0)
1001 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
1003 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
1004 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
1006 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
1007 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
1008 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
1010 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
1012 if (ntohl(hdr
->unk2
) != 0)
1013 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
1014 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
1015 "(purpose yet unknown, unchecked here)");
1016 if (ntohl(hdr
->unk3
) != 0)
1017 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
1021 inspect_fw_pstr("Vendor name", hdr
->vendor_name
);
1022 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
1023 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
1025 layout
= find_layout(board
->layout_id
);
1026 inspect_fw_phexpost("Hardware ID",
1027 ntohl(hdr
->hw_id
), board
->id
);
1028 inspect_fw_phexexp("Hardware Revision",
1029 ntohl(hdr
->hw_rev
), board
->hw_rev
);
1031 inspect_fw_phexpost("Hardware ID",
1032 ntohl(hdr
->hw_id
), "unknown");
1033 inspect_fw_phex("Hardware Revision",
1034 ntohl(hdr
->hw_rev
));
1039 inspect_fw_phexdec("Kernel data offset",
1040 ntohl(hdr
->kernel_ofs
));
1041 inspect_fw_phexdec("Kernel data length",
1042 ntohl(hdr
->kernel_len
));
1044 inspect_fw_phexdef("Kernel load address",
1045 ntohl(hdr
->kernel_la
),
1046 layout
? layout
->kernel_la
: 0xffffffff);
1047 inspect_fw_phexdef("Kernel entry point",
1048 ntohl(hdr
->kernel_ep
),
1049 layout
? layout
->kernel_ep
: 0xffffffff);
1050 inspect_fw_phexdecdef("Rootfs data offset",
1051 ntohl(hdr
->rootfs_ofs
),
1052 layout
? layout
->rootfs_ofs
: 0xffffffff);
1054 inspect_fw_phex("Kernel load address",
1055 ntohl(hdr
->kernel_la
));
1056 inspect_fw_phex("Kernel entry point",
1057 ntohl(hdr
->kernel_ep
));
1058 inspect_fw_phexdec("Rootfs data offset",
1059 ntohl(hdr
->rootfs_ofs
));
1061 inspect_fw_phexdec("Rootfs data length",
1062 ntohl(hdr
->rootfs_len
));
1063 inspect_fw_phexdec("Boot loader data offset",
1064 ntohl(hdr
->boot_ofs
));
1065 inspect_fw_phexdec("Boot loader data length",
1066 ntohl(hdr
->boot_len
));
1067 inspect_fw_phexdec("Total firmware length",
1068 ntohl(hdr
->fw_length
));
1076 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1077 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
1078 printf("Extracting kernel to \"%s\"...\n", filename
);
1079 fp
= fopen(filename
, "w");
1081 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
1082 ntohl(hdr
->kernel_len
), 1, fp
)) {
1083 ERR("error in fwrite(): %s", strerror(errno
));
1087 ERR("error in fopen(): %s", strerror(errno
));
1091 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1092 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
1093 printf("Extracting rootfs to \"%s\"...\n", filename
);
1094 fp
= fopen(filename
, "w");
1096 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
1097 ntohl(hdr
->rootfs_len
), 1, fp
)) {
1098 ERR("error in fwrite(): %s", strerror(errno
));
1102 ERR("error in fopen(): %s", strerror(errno
));
1113 int main(int argc
, char *argv
[])
1115 int ret
= EXIT_FAILURE
;
1120 progname
= basename(argv
[0]);
1125 c
= getopt(argc
, argv
, "a:B:H:E:F:L:m:V:N:W:ci:k:r:R:o:xX:hsSjv:");
1131 sscanf(optarg
, "0x%x", &rootfs_align
);
1140 sscanf(optarg
, "0x%x", &kernel_ep
);
1146 opt_hw_rev
= optarg
;
1149 sscanf(optarg
, "0x%x", &kernel_la
);
1152 sscanf(optarg
, "%u", &opt_hdr_ver
);
1167 kernel_info
.file_name
= optarg
;
1170 rootfs_info
.file_name
= optarg
;
1173 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1185 inspect_info
.file_name
= optarg
;
1194 usage(EXIT_SUCCESS
);
1197 sscanf(optarg
, "0x%x", &reserved_space
);
1200 usage(EXIT_FAILURE
);
1205 ret
= check_options();
1209 if (!inspect_info
.file_name
)