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_GS_OOLITE_V1 0x3C000101
34 #define HWID_TL_MR10U_V1 0x00100101
35 #define HWID_TL_MR13U_V1 0x00130101
36 #define HWID_TL_MR3020_V1 0x30200001
37 #define HWID_TL_MR3220_V1 0x32200001
38 #define HWID_TL_MR3220_V2 0x32200002
39 #define HWID_TL_MR3420_V1 0x34200001
40 #define HWID_TL_MR3420_V2 0x34200002
41 #define HWID_TL_WA701N_V1 0x07010001
42 #define HWID_TL_WA7510N_V1 0x75100001
43 #define HWID_TL_WA801ND_V1 0x08010001
44 #define HWID_TL_WA830RE_V1 0x08300010
45 #define HWID_TL_WA830RE_V2 0x08300002
46 #define HWID_TL_WA801ND_V2 0x08010002
47 #define HWID_TL_WA901ND_V1 0x09010001
48 #define HWID_TL_WA901ND_V2 0x09010002
49 #define HWID_TL_WDR4900_V1 0x49000001
50 #define HWID_TL_WR703N_V1 0x07030101
51 #define HWID_TL_WR720N_V3 0x07200103
52 #define HWID_TL_WR741ND_V1 0x07410001
53 #define HWID_TL_WR741ND_V4 0x07410004
54 #define HWID_TL_WR740N_V1 0x07400001
55 #define HWID_TL_WR740N_V3 0x07400003
56 #define HWID_TL_WR743ND_V1 0x07430001
57 #define HWID_TL_WR743ND_V2 0x07430002
58 #define HWID_TL_WR841N_V1_5 0x08410002
59 #define HWID_TL_WR841ND_V3 0x08410003
60 #define HWID_TL_WR841ND_V5 0x08410005
61 #define HWID_TL_WR841ND_V7 0x08410007
62 #define HWID_TL_WR941ND_V2 0x09410002
63 #define HWID_TL_WR941ND_V4 0x09410004
64 #define HWID_TL_WR1043ND_V1 0x10430001
65 #define HWID_TL_WR1043ND_V2 0x10430002
66 #define HWID_TL_WR1041N_V2 0x10410002
67 #define HWID_TL_WR2543N_V1 0x25430001
72 char *file_name
; /* name of the file */
73 uint32_t file_size
; /* length of the file */
77 uint32_t version
; /* header version */
80 uint32_t hw_id
; /* hardware id */
81 uint32_t hw_rev
; /* hardware revision */
83 uint8_t md5sum1
[MD5SUM_LEN
];
85 uint8_t md5sum2
[MD5SUM_LEN
];
87 uint32_t kernel_la
; /* kernel load address */
88 uint32_t kernel_ep
; /* kernel entry point */
89 uint32_t fw_length
; /* total length of the firmware */
90 uint32_t kernel_ofs
; /* kernel data offset */
91 uint32_t kernel_len
; /* kernel data length */
92 uint32_t rootfs_ofs
; /* rootfs data offset */
93 uint32_t rootfs_len
; /* rootfs data length */
94 uint32_t boot_ofs
; /* bootloader data offset */
95 uint32_t boot_len
; /* bootloader data length */
100 } __attribute__ ((packed
));
102 struct flash_layout
{
121 static char *progname
;
122 static char *vendor
= "TP-LINK Technologies";
123 static char *version
= "ver. 1.0";
124 static char *fw_ver
= "0.0.0";
126 static char *board_id
;
127 static struct board_info
*board
;
128 static char *layout_id
;
129 static struct flash_layout
*layout
;
130 static char *opt_hw_id
;
131 static uint32_t hw_id
;
132 static char *opt_hw_rev
;
133 static uint32_t hw_rev
;
134 static int fw_ver_lo
;
135 static int fw_ver_mid
;
136 static int fw_ver_hi
;
137 static struct file_info kernel_info
;
138 static uint32_t kernel_la
= 0;
139 static uint32_t kernel_ep
= 0;
140 static uint32_t kernel_len
= 0;
141 static struct file_info rootfs_info
;
142 static uint32_t rootfs_ofs
= 0;
143 static uint32_t rootfs_align
;
144 static struct file_info boot_info
;
146 static int strip_padding
;
147 static int add_jffs2_eof
;
148 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
149 static uint32_t fw_max_len
;
150 static uint32_t reserved_space
;
152 static struct file_info inspect_info
;
153 static int extract
= 0;
155 char md5salt_normal
[MD5SUM_LEN
] = {
156 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
157 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
160 char md5salt_boot
[MD5SUM_LEN
] = {
161 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
162 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
165 static struct flash_layout layouts
[] = {
168 .fw_max_len
= 0x3c0000,
169 .kernel_la
= 0x80060000,
170 .kernel_ep
= 0x80060000,
171 .rootfs_ofs
= 0x140000,
174 .fw_max_len
= 0x3c0000,
175 .kernel_la
= 0x80060000,
176 .kernel_ep
= 0x80060000,
177 .rootfs_ofs
= 0x100000,
180 .fw_max_len
= 0x7c0000,
181 .kernel_la
= 0x80060000,
182 .kernel_ep
= 0x80060000,
183 .rootfs_ofs
= 0x140000,
186 .fw_max_len
= 0x7c0000,
187 .kernel_la
= 0x80060000,
188 .kernel_ep
= 0x80060000,
189 .rootfs_ofs
= 0x100000,
192 .fw_max_len
= 0xf80000,
193 .kernel_la
= 0x80060000,
194 .kernel_ep
= 0x80060000,
195 .rootfs_ofs
= 0x140000,
198 .fw_max_len
= 0xf80000,
199 .kernel_la
= 0x80060000,
200 .kernel_ep
= 0x80060000,
201 .rootfs_ofs
= 0x100000,
204 .fw_max_len
= 0xf80000,
205 .kernel_la
= 0x00000000,
206 .kernel_ep
= 0xc0000000,
207 .rootfs_ofs
= 0x2a0000,
209 /* terminating entry */
213 static struct board_info boards
[] = {
216 .hw_id
= HWID_TL_MR10U_V1
,
218 .layout_id
= "4Mlzma",
221 .hw_id
= HWID_TL_MR13U_V1
,
223 .layout_id
= "4Mlzma",
226 .hw_id
= HWID_TL_MR3020_V1
,
228 .layout_id
= "4Mlzma",
231 .hw_id
= HWID_TL_MR3220_V1
,
236 .hw_id
= HWID_TL_MR3220_V2
,
238 .layout_id
= "4Mlzma",
241 .hw_id
= HWID_TL_MR3420_V1
,
246 .hw_id
= HWID_TL_MR3420_V2
,
248 .layout_id
= "4Mlzma",
251 .hw_id
= HWID_TL_WA701N_V1
,
256 .hw_id
= HWID_TL_WA7510N_V1
,
260 .id
= "TL-WA801NDv1",
261 .hw_id
= HWID_TL_WA801ND_V1
,
265 .id
= "TL-WA830REv1",
266 .hw_id
= HWID_TL_WA830RE_V1
,
270 .id
= "TL-WA830REv2",
271 .hw_id
= HWID_TL_WA830RE_V2
,
275 .id
= "TL-WA801NDv2",
276 .hw_id
= HWID_TL_WA801ND_V2
,
278 .layout_id
= "4Mlzma",
280 .id
= "TL-WA901NDv1",
281 .hw_id
= HWID_TL_WA901ND_V1
,
285 .id
= "TL-WA901NDv2",
286 .hw_id
= HWID_TL_WA901ND_V2
,
290 .id
= "TL-WDR4900v1",
291 .hw_id
= HWID_TL_WDR4900_V1
,
293 .layout_id
= "16Mppc",
295 .id
= "TL-WR741NDv1",
296 .hw_id
= HWID_TL_WR741ND_V1
,
300 .id
= "TL-WR741NDv4",
301 .hw_id
= HWID_TL_WR741ND_V4
,
303 .layout_id
= "4Mlzma",
306 .hw_id
= HWID_TL_WR740N_V1
,
311 .hw_id
= HWID_TL_WR740N_V3
,
315 .id
= "TL-WR743NDv1",
316 .hw_id
= HWID_TL_WR743ND_V1
,
320 .id
= "TL-WR743NDv2",
321 .hw_id
= HWID_TL_WR743ND_V2
,
323 .layout_id
= "4Mlzma",
325 .id
= "TL-WR841Nv1.5",
326 .hw_id
= HWID_TL_WR841N_V1_5
,
330 .id
= "TL-WR841NDv3",
331 .hw_id
= HWID_TL_WR841ND_V3
,
335 .id
= "TL-WR841NDv5",
336 .hw_id
= HWID_TL_WR841ND_V5
,
340 .id
= "TL-WR841NDv7",
341 .hw_id
= HWID_TL_WR841ND_V7
,
345 .id
= "TL-WR941NDv2",
346 .hw_id
= HWID_TL_WR941ND_V2
,
350 .id
= "TL-WR941NDv4",
351 .hw_id
= HWID_TL_WR941ND_V4
,
355 .id
= "TL-WR1041Nv2",
356 .hw_id
= HWID_TL_WR1041N_V2
,
358 .layout_id
= "4Mlzma",
360 .id
= "TL-WR1043NDv1",
361 .hw_id
= HWID_TL_WR1043ND_V1
,
365 .id
= "TL-WR1043NDv2",
366 .hw_id
= HWID_TL_WR1043ND_V2
,
368 .layout_id
= "8Mlzma",
370 .id
= "TL-WR2543Nv1",
371 .hw_id
= HWID_TL_WR2543N_V1
,
373 .layout_id
= "8Mlzma",
376 .hw_id
= HWID_TL_WR703N_V1
,
378 .layout_id
= "4Mlzma",
381 .hw_id
= HWID_TL_WR720N_V3
,
383 .layout_id
= "4Mlzma",
386 .hw_id
= HWID_GS_OOLITE_V1
,
388 .layout_id
= "16Mlzma",
390 /* terminating entry */
397 #define ERR(fmt, ...) do { \
399 fprintf(stderr, "[%s] *** error: " fmt "\n", \
400 progname, ## __VA_ARGS__ ); \
403 #define ERRS(fmt, ...) do { \
406 fprintf(stderr, "[%s] *** error: " fmt "\n", \
407 progname, ## __VA_ARGS__, strerror(save)); \
410 #define DBG(fmt, ...) do { \
411 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
414 static struct board_info
*find_board(char *id
)
416 struct board_info
*ret
;
417 struct board_info
*board
;
420 for (board
= boards
; board
->id
!= NULL
; board
++){
421 if (strcasecmp(id
, board
->id
) == 0) {
430 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
432 struct board_info
*board
;
434 for (board
= boards
; board
->id
!= NULL
; board
++) {
435 if (hw_id
== board
->hw_id
)
442 static struct flash_layout
*find_layout(char *id
)
444 struct flash_layout
*ret
;
445 struct flash_layout
*l
;
448 for (l
= layouts
; l
->id
!= NULL
; l
++){
449 if (strcasecmp(id
, l
->id
) == 0) {
458 static void usage(int status
)
460 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
461 struct board_info
*board
;
463 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
467 " -B <board> create image for the board specified with <board>\n"
468 " -c use combined kernel image\n"
469 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
470 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
471 " -H <hwid> use hardware id specified with <hwid>\n"
472 " -W <hwrev> use hardware revision specified with <hwrev>\n"
473 " -F <id> use flash layout specified with <id>\n"
474 " -k <file> read kernel image from the file <file>\n"
475 " -r <file> read rootfs image from the file <file>\n"
476 " -a <align> align the rootfs start on an <align> bytes boundary\n"
477 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
478 " -o <file> write output to the file <file>\n"
479 " -s strip padding from the end of the image\n"
480 " -j add jffs2 end-of-filesystem markers\n"
481 " -N <vendor> set image vendor to <vendor>\n"
482 " -V <version> set image version to <version>\n"
483 " -v <version> set firmware version to <version>\n"
484 " -i <file> inspect given firmware file <file>\n"
485 " -x extract kernel and rootfs while inspecting (requires -i)\n"
486 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
487 " -h show this screen\n"
493 static int get_md5(char *data
, int size
, char *md5
)
498 MD5_Update(&ctx
, data
, size
);
499 MD5_Final(md5
, &ctx
);
502 static int get_file_stat(struct file_info
*fdata
)
507 if (fdata
->file_name
== NULL
)
510 res
= stat(fdata
->file_name
, &st
);
512 ERRS("stat failed on %s", fdata
->file_name
);
516 fdata
->file_size
= st
.st_size
;
520 static int read_to_buf(struct file_info
*fdata
, char *buf
)
523 int ret
= EXIT_FAILURE
;
525 f
= fopen(fdata
->file_name
, "r");
527 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
532 fread(buf
, fdata
->file_size
, 1, f
);
534 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
546 static int check_options(void)
550 if (inspect_info
.file_name
) {
551 ret
= get_file_stat(&inspect_info
);
556 } else if (extract
) {
557 ERR("no firmware for inspection specified");
561 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
562 ERR("either board or hardware id must be specified");
567 board
= find_board(board_id
);
569 ERR("unknown/unsupported board id \"%s\"", board_id
);
572 if (layout_id
== NULL
)
573 layout_id
= board
->layout_id
;
575 hw_id
= board
->hw_id
;
576 hw_rev
= board
->hw_rev
;
578 if (layout_id
== NULL
) {
579 ERR("flash layout is not specified");
582 hw_id
= strtoul(opt_hw_id
, NULL
, 0);
585 hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
590 layout
= find_layout(layout_id
);
591 if (layout
== NULL
) {
592 ERR("unknown flash layout \"%s\"", layout_id
);
597 kernel_la
= layout
->kernel_la
;
599 kernel_ep
= layout
->kernel_ep
;
601 rootfs_ofs
= layout
->rootfs_ofs
;
603 if (reserved_space
> layout
->fw_max_len
) {
604 ERR("reserved space is not valid");
608 fw_max_len
= layout
->fw_max_len
- reserved_space
;
610 if (kernel_info
.file_name
== NULL
) {
611 ERR("no kernel image specified");
615 ret
= get_file_stat(&kernel_info
);
619 kernel_len
= kernel_info
.file_size
;
622 if (kernel_info
.file_size
>
623 fw_max_len
- sizeof(struct fw_header
)) {
624 ERR("kernel image is too big");
628 if (rootfs_info
.file_name
== NULL
) {
629 ERR("no rootfs image specified");
633 ret
= get_file_stat(&rootfs_info
);
638 kernel_len
+= sizeof(struct fw_header
);
639 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
640 kernel_len
-= sizeof(struct fw_header
);
642 DBG("kernel length aligned to %u", kernel_len
);
644 if (kernel_len
+ rootfs_info
.file_size
>
645 fw_max_len
- sizeof(struct fw_header
)) {
646 ERR("images are too big");
650 if (kernel_info
.file_size
>
651 rootfs_ofs
- sizeof(struct fw_header
)) {
652 ERR("kernel image is too big");
656 if (rootfs_info
.file_size
>
657 (fw_max_len
- rootfs_ofs
)) {
658 ERR("rootfs image is too big");
664 if (ofname
== NULL
) {
665 ERR("no output file specified");
669 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
671 ERR("invalid firmware version '%s'", fw_ver
);
678 static void fill_header(char *buf
, int len
)
680 struct fw_header
*hdr
= (struct fw_header
*)buf
;
682 memset(hdr
, 0, sizeof(struct fw_header
));
684 hdr
->version
= htonl(HEADER_VERSION_V1
);
685 strncpy(hdr
->vendor_name
, vendor
, sizeof(hdr
->vendor_name
));
686 strncpy(hdr
->fw_version
, version
, sizeof(hdr
->fw_version
));
687 hdr
->hw_id
= htonl(hw_id
);
688 hdr
->hw_rev
= htonl(hw_rev
);
690 if (boot_info
.file_size
== 0)
691 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
693 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
695 hdr
->kernel_la
= htonl(kernel_la
);
696 hdr
->kernel_ep
= htonl(kernel_ep
);
697 hdr
->fw_length
= htonl(layout
->fw_max_len
);
698 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
699 hdr
->kernel_len
= htonl(kernel_len
);
701 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
702 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
705 hdr
->ver_hi
= htons(fw_ver_hi
);
706 hdr
->ver_mid
= htons(fw_ver_mid
);
707 hdr
->ver_lo
= htons(fw_ver_lo
);
709 get_md5(buf
, len
, hdr
->md5sum1
);
712 static int pad_jffs2(char *buf
, int currlen
)
718 pad_mask
= (64 * 1024);
719 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
723 for (i
= 10; i
< 32; i
++) {
729 len
= ALIGN(len
, mask
);
731 for (i
= 10; i
< 32; i
++) {
733 if ((len
& (mask
- 1)) == 0)
737 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
738 buf
[len
+ i
] = jffs2_eof_mark
[i
];
740 len
+= sizeof(jffs2_eof_mark
);
746 static int write_fw(char *data
, int len
)
749 int ret
= EXIT_FAILURE
;
751 f
= fopen(ofname
, "w");
753 ERRS("could not open \"%s\" for writing", ofname
);
758 fwrite(data
, len
, 1, f
);
760 ERRS("unable to write output file");
764 DBG("firmware file \"%s\" completed", ofname
);
771 if (ret
!= EXIT_SUCCESS
) {
778 static int build_fw(void)
783 int ret
= EXIT_FAILURE
;
786 buflen
= layout
->fw_max_len
;
788 buf
= malloc(buflen
);
790 ERR("no memory for buffer\n");
794 memset(buf
, 0xff, buflen
);
795 p
= buf
+ sizeof(struct fw_header
);
796 ret
= read_to_buf(&kernel_info
, p
);
800 writelen
= sizeof(struct fw_header
) + kernel_len
;
806 p
= buf
+ rootfs_ofs
;
808 ret
= read_to_buf(&rootfs_info
, p
);
813 writelen
+= rootfs_info
.file_size
;
815 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
818 writelen
= pad_jffs2(buf
, writelen
);
824 fill_header(buf
, writelen
);
825 ret
= write_fw(buf
, writelen
);
837 /* Helper functions to inspect_fw() representing different output formats */
838 static inline void inspect_fw_pstr(char *label
, char *str
)
840 printf("%-23s: %s\n", label
, str
);
843 static inline void inspect_fw_phex(char *label
, uint32_t val
)
845 printf("%-23s: 0x%08x\n", label
, val
);
848 static inline void inspect_fw_phexpost(char *label
,
849 uint32_t val
, char *post
)
851 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
854 static inline void inspect_fw_phexdef(char *label
,
855 uint32_t val
, uint32_t defval
)
857 printf("%-23s: 0x%08x ", label
, val
);
860 printf("(== OpenWrt default)\n");
862 printf("(OpenWrt default: 0x%08x)\n", defval
);
865 static inline void inspect_fw_phexexp(char *label
,
866 uint32_t val
, uint32_t expval
)
868 printf("%-23s: 0x%08x ", label
, val
);
873 printf("(expected: 0x%08x)\n", expval
);
876 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
878 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
881 static inline void inspect_fw_phexdecdef(char *label
,
882 uint32_t val
, uint32_t defval
)
884 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
887 printf("(== OpenWrt default)\n");
889 printf("(OpenWrt default: 0x%08x)\n", defval
);
892 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
896 printf("%-23s:", label
);
897 for (i
=0; i
<MD5SUM_LEN
; i
++)
898 printf(" %02x", val
[i
]);
899 printf(" %s\n", text
);
902 static int inspect_fw(void)
905 struct fw_header
*hdr
;
906 uint8_t md5sum
[MD5SUM_LEN
];
907 struct board_info
*board
;
908 int ret
= EXIT_FAILURE
;
910 buf
= malloc(inspect_info
.file_size
);
912 ERR("no memory for buffer!\n");
916 ret
= read_to_buf(&inspect_info
, buf
);
919 hdr
= (struct fw_header
*)buf
;
921 inspect_fw_pstr("File name", inspect_info
.file_name
);
922 inspect_fw_phexdec("File size", inspect_info
.file_size
);
924 if (ntohl(hdr
->version
) != HEADER_VERSION_V1
) {
925 ERR("file does not seem to have V1 header!\n");
929 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header
));
931 if (ntohl(hdr
->unk1
) != 0)
932 inspect_fw_phexdec("Unknown value 1", hdr
->unk1
);
934 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
935 if (ntohl(hdr
->boot_len
) == 0)
936 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
938 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
939 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
941 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
942 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
943 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
945 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
947 if (ntohl(hdr
->unk2
) != 0)
948 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
949 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
950 "(purpose yet unknown, unchecked here)");
951 if (ntohl(hdr
->unk3
) != 0)
952 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
956 inspect_fw_pstr("Vendor name", hdr
->vendor_name
);
957 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
958 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
960 layout
= find_layout(board
->layout_id
);
961 inspect_fw_phexpost("Hardware ID",
962 ntohl(hdr
->hw_id
), board
->id
);
963 inspect_fw_phexexp("Hardware Revision",
964 ntohl(hdr
->hw_rev
), board
->hw_rev
);
966 inspect_fw_phexpost("Hardware ID",
967 ntohl(hdr
->hw_id
), "unknown");
968 inspect_fw_phex("Hardware Revision",
974 inspect_fw_phexdec("Kernel data offset",
975 ntohl(hdr
->kernel_ofs
));
976 inspect_fw_phexdec("Kernel data length",
977 ntohl(hdr
->kernel_len
));
979 inspect_fw_phexdef("Kernel load address",
980 ntohl(hdr
->kernel_la
),
981 layout
? layout
->kernel_la
: 0xffffffff);
982 inspect_fw_phexdef("Kernel entry point",
983 ntohl(hdr
->kernel_ep
),
984 layout
? layout
->kernel_ep
: 0xffffffff);
985 inspect_fw_phexdecdef("Rootfs data offset",
986 ntohl(hdr
->rootfs_ofs
),
987 layout
? layout
->rootfs_ofs
: 0xffffffff);
989 inspect_fw_phex("Kernel load address",
990 ntohl(hdr
->kernel_la
));
991 inspect_fw_phex("Kernel entry point",
992 ntohl(hdr
->kernel_ep
));
993 inspect_fw_phexdec("Rootfs data offset",
994 ntohl(hdr
->rootfs_ofs
));
996 inspect_fw_phexdec("Rootfs data length",
997 ntohl(hdr
->rootfs_len
));
998 inspect_fw_phexdec("Boot loader data offset",
999 ntohl(hdr
->boot_ofs
));
1000 inspect_fw_phexdec("Boot loader data length",
1001 ntohl(hdr
->boot_len
));
1002 inspect_fw_phexdec("Total firmware length",
1003 ntohl(hdr
->fw_length
));
1011 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1012 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
1013 printf("Extracting kernel to \"%s\"...\n", filename
);
1014 fp
= fopen(filename
, "w");
1016 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
1017 ntohl(hdr
->kernel_len
), 1, fp
)) {
1018 ERR("error in fwrite(): %s", strerror(errno
));
1022 ERR("error in fopen(): %s", strerror(errno
));
1026 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
1027 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
1028 printf("Extracting rootfs to \"%s\"...\n", filename
);
1029 fp
= fopen(filename
, "w");
1031 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
1032 ntohl(hdr
->rootfs_len
), 1, fp
)) {
1033 ERR("error in fwrite(): %s", strerror(errno
));
1037 ERR("error in fopen(): %s", strerror(errno
));
1048 int main(int argc
, char *argv
[])
1050 int ret
= EXIT_FAILURE
;
1055 progname
= basename(argv
[0]);
1060 c
= getopt(argc
, argv
, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xX:hsjv:");
1066 sscanf(optarg
, "0x%x", &rootfs_align
);
1075 sscanf(optarg
, "0x%x", &kernel_ep
);
1081 opt_hw_rev
= optarg
;
1084 sscanf(optarg
, "0x%x", &kernel_la
);
1099 kernel_info
.file_name
= optarg
;
1102 rootfs_info
.file_name
= optarg
;
1105 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1114 inspect_info
.file_name
= optarg
;
1123 usage(EXIT_SUCCESS
);
1126 sscanf(optarg
, "0x%x", &reserved_space
);
1129 usage(EXIT_FAILURE
);
1134 ret
= check_options();
1138 if (!inspect_info
.file_name
)