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_TL_MR10U_V1 0x00100101
34 #define HWID_TL_MR13U_V1 0x00130101
35 #define HWID_TL_MR3020_V1 0x30200001
36 #define HWID_TL_MR3220_V1 0x32200001
37 #define HWID_TL_MR3220_V2 0x32200002
38 #define HWID_TL_MR3420_V1 0x34200001
39 #define HWID_TL_MR3420_V2 0x34200002
40 #define HWID_TL_WA701N_V1 0x07010001
41 #define HWID_TL_WA7510N_V1 0x75100001
42 #define HWID_TL_WA801ND_V1 0x08010001
43 #define HWID_TL_WA830RE_V1 0x08300010
44 #define HWID_TL_WA830RE_V2 0x08300002
45 #define HWID_TL_WA901ND_V1 0x09010001
46 #define HWID_TL_WA901ND_V2 0x09010002
47 #define HWID_TL_WDR4900_V1 0x49000001
48 #define HWID_TL_WR703N_V1 0x07030101
49 #define HWID_TL_WR720N_V3 0x07200103
50 #define HWID_TL_WR741ND_V1 0x07410001
51 #define HWID_TL_WR741ND_V4 0x07410004
52 #define HWID_TL_WR740N_V1 0x07400001
53 #define HWID_TL_WR740N_V3 0x07400003
54 #define HWID_TL_WR743ND_V1 0x07430001
55 #define HWID_TL_WR743ND_V2 0x07430002
56 #define HWID_TL_WR841N_V1_5 0x08410002
57 #define HWID_TL_WR841ND_V3 0x08410003
58 #define HWID_TL_WR841ND_V5 0x08410005
59 #define HWID_TL_WR841ND_V7 0x08410007
60 #define HWID_TL_WR941ND_V2 0x09410002
61 #define HWID_TL_WR941ND_V4 0x09410004
62 #define HWID_TL_WR1043ND_V1 0x10430001
63 #define HWID_TL_WR1041N_V2 0x10410002
64 #define HWID_TL_WR2543N_V1 0x25430001
69 char *file_name
; /* name of the file */
70 uint32_t file_size
; /* length of the file */
74 uint32_t version
; /* header version */
77 uint32_t hw_id
; /* hardware id */
78 uint32_t hw_rev
; /* hardware revision */
80 uint8_t md5sum1
[MD5SUM_LEN
];
82 uint8_t md5sum2
[MD5SUM_LEN
];
84 uint32_t kernel_la
; /* kernel load address */
85 uint32_t kernel_ep
; /* kernel entry point */
86 uint32_t fw_length
; /* total length of the firmware */
87 uint32_t kernel_ofs
; /* kernel data offset */
88 uint32_t kernel_len
; /* kernel data length */
89 uint32_t rootfs_ofs
; /* rootfs data offset */
90 uint32_t rootfs_len
; /* rootfs data length */
91 uint32_t boot_ofs
; /* bootloader data offset */
92 uint32_t boot_len
; /* bootloader data length */
97 } __attribute__ ((packed
));
118 static char *progname
;
119 static char *vendor
= "TP-LINK Technologies";
120 static char *version
= "ver. 1.0";
121 static char *fw_ver
= "0.0.0";
123 static char *board_id
;
124 static struct board_info
*board
;
125 static char *layout_id
;
126 static struct flash_layout
*layout
;
127 static char *opt_hw_id
;
128 static uint32_t hw_id
;
129 static char *opt_hw_rev
;
130 static uint32_t hw_rev
;
131 static int fw_ver_lo
;
132 static int fw_ver_mid
;
133 static int fw_ver_hi
;
134 static struct file_info kernel_info
;
135 static uint32_t kernel_la
= 0;
136 static uint32_t kernel_ep
= 0;
137 static uint32_t kernel_len
= 0;
138 static struct file_info rootfs_info
;
139 static uint32_t rootfs_ofs
= 0;
140 static uint32_t rootfs_align
;
141 static struct file_info boot_info
;
143 static int strip_padding
;
144 static int add_jffs2_eof
;
145 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
147 static struct file_info inspect_info
;
148 static int extract
= 0;
150 char md5salt_normal
[MD5SUM_LEN
] = {
151 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
152 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
155 char md5salt_boot
[MD5SUM_LEN
] = {
156 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
157 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
160 static struct flash_layout layouts
[] = {
163 .fw_max_len
= 0x3c0000,
164 .kernel_la
= 0x80060000,
165 .kernel_ep
= 0x80060000,
166 .rootfs_ofs
= 0x140000,
169 .fw_max_len
= 0x3c0000,
170 .kernel_la
= 0x80060000,
171 .kernel_ep
= 0x80060000,
172 .rootfs_ofs
= 0x100000,
175 .fw_max_len
= 0x7c0000,
176 .kernel_la
= 0x80060000,
177 .kernel_ep
= 0x80060000,
178 .rootfs_ofs
= 0x140000,
181 .fw_max_len
= 0x7c0000,
182 .kernel_la
= 0x80060000,
183 .kernel_ep
= 0x80060000,
184 .rootfs_ofs
= 0x100000,
187 .fw_max_len
= 0xf80000,
188 .kernel_la
= 0x00000000,
189 .kernel_ep
= 0xc0000000,
190 .rootfs_ofs
= 0x2a0000,
192 /* terminating entry */
196 static struct board_info boards
[] = {
199 .hw_id
= HWID_TL_MR10U_V1
,
201 .layout_id
= "4Mlzma",
204 .hw_id
= HWID_TL_MR13U_V1
,
206 .layout_id
= "4Mlzma",
209 .hw_id
= HWID_TL_MR3020_V1
,
211 .layout_id
= "4Mlzma",
214 .hw_id
= HWID_TL_MR3220_V1
,
219 .hw_id
= HWID_TL_MR3220_V2
,
221 .layout_id
= "4Mlzma",
224 .hw_id
= HWID_TL_MR3420_V1
,
229 .hw_id
= HWID_TL_MR3420_V2
,
231 .layout_id
= "4Mlzma",
234 .hw_id
= HWID_TL_WA701N_V1
,
239 .hw_id
= HWID_TL_WA7510N_V1
,
243 .id
= "TL-WA801NDv1",
244 .hw_id
= HWID_TL_WA801ND_V1
,
248 .id
= "TL-WA830REv1",
249 .hw_id
= HWID_TL_WA830RE_V1
,
253 .id
= "TL-WA830REv2",
254 .hw_id
= HWID_TL_WA830RE_V2
,
258 .id
= "TL-WA901NDv1",
259 .hw_id
= HWID_TL_WA901ND_V1
,
263 .id
= "TL-WA901NDv2",
264 .hw_id
= HWID_TL_WA901ND_V2
,
268 .id
= "TL-WDR4900v1",
269 .hw_id
= HWID_TL_WDR4900_V1
,
271 .layout_id
= "16Mppc",
273 .id
= "TL-WR741NDv1",
274 .hw_id
= HWID_TL_WR741ND_V1
,
278 .id
= "TL-WR741NDv4",
279 .hw_id
= HWID_TL_WR741ND_V4
,
281 .layout_id
= "4Mlzma",
284 .hw_id
= HWID_TL_WR740N_V1
,
289 .hw_id
= HWID_TL_WR740N_V3
,
293 .id
= "TL-WR743NDv1",
294 .hw_id
= HWID_TL_WR743ND_V1
,
298 .id
= "TL-WR743NDv2",
299 .hw_id
= HWID_TL_WR743ND_V2
,
301 .layout_id
= "4Mlzma",
303 .id
= "TL-WR841Nv1.5",
304 .hw_id
= HWID_TL_WR841N_V1_5
,
308 .id
= "TL-WR841NDv3",
309 .hw_id
= HWID_TL_WR841ND_V3
,
313 .id
= "TL-WR841NDv5",
314 .hw_id
= HWID_TL_WR841ND_V5
,
318 .id
= "TL-WR841NDv7",
319 .hw_id
= HWID_TL_WR841ND_V7
,
323 .id
= "TL-WR941NDv2",
324 .hw_id
= HWID_TL_WR941ND_V2
,
328 .id
= "TL-WR941NDv4",
329 .hw_id
= HWID_TL_WR941ND_V4
,
333 .id
= "TL-WR1041Nv2",
334 .hw_id
= HWID_TL_WR1041N_V2
,
336 .layout_id
= "4Mlzma",
338 .id
= "TL-WR1043NDv1",
339 .hw_id
= HWID_TL_WR1043ND_V1
,
343 .id
= "TL-WR2543Nv1",
344 .hw_id
= HWID_TL_WR2543N_V1
,
346 .layout_id
= "8Mlzma",
349 .hw_id
= HWID_TL_WR703N_V1
,
351 .layout_id
= "4Mlzma",
354 .hw_id
= HWID_TL_WR720N_V3
,
356 .layout_id
= "4Mlzma",
358 /* terminating entry */
365 #define ERR(fmt, ...) do { \
367 fprintf(stderr, "[%s] *** error: " fmt "\n", \
368 progname, ## __VA_ARGS__ ); \
371 #define ERRS(fmt, ...) do { \
374 fprintf(stderr, "[%s] *** error: " fmt "\n", \
375 progname, ## __VA_ARGS__, strerror(save)); \
378 #define DBG(fmt, ...) do { \
379 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
382 static struct board_info
*find_board(char *id
)
384 struct board_info
*ret
;
385 struct board_info
*board
;
388 for (board
= boards
; board
->id
!= NULL
; board
++){
389 if (strcasecmp(id
, board
->id
) == 0) {
398 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
400 struct board_info
*board
;
402 for (board
= boards
; board
->id
!= NULL
; board
++) {
403 if (hw_id
== board
->hw_id
)
410 static struct flash_layout
*find_layout(char *id
)
412 struct flash_layout
*ret
;
413 struct flash_layout
*l
;
416 for (l
= layouts
; l
->id
!= NULL
; l
++){
417 if (strcasecmp(id
, l
->id
) == 0) {
426 static void usage(int status
)
428 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
429 struct board_info
*board
;
431 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
435 " -B <board> create image for the board specified with <board>\n"
436 " -c use combined kernel image\n"
437 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
438 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
439 " -H <hwid> use hardware id specified with <hwid>\n"
440 " -W <hwrev> use hardware revision specified with <hwrev>\n"
441 " -F <id> use flash layout specified with <id>\n"
442 " -k <file> read kernel image from the file <file>\n"
443 " -r <file> read rootfs image from the file <file>\n"
444 " -a <align> align the rootfs start on an <align> bytes boundary\n"
445 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
446 " -o <file> write output to the file <file>\n"
447 " -s strip padding from the end of the image\n"
448 " -j add jffs2 end-of-filesystem markers\n"
449 " -N <vendor> set image vendor to <vendor>\n"
450 " -V <version> set image version to <version>\n"
451 " -v <version> set firmware version to <version>\n"
452 " -i <file> inspect given firmware file <file>\n"
453 " -x extract kernel and rootfs while inspecting (requires -i)\n"
454 " -h show this screen\n"
460 static int get_md5(char *data
, int size
, char *md5
)
465 MD5_Update(&ctx
, data
, size
);
466 MD5_Final(md5
, &ctx
);
469 static int get_file_stat(struct file_info
*fdata
)
474 if (fdata
->file_name
== NULL
)
477 res
= stat(fdata
->file_name
, &st
);
479 ERRS("stat failed on %s", fdata
->file_name
);
483 fdata
->file_size
= st
.st_size
;
487 static int read_to_buf(struct file_info
*fdata
, char *buf
)
490 int ret
= EXIT_FAILURE
;
492 f
= fopen(fdata
->file_name
, "r");
494 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
499 fread(buf
, fdata
->file_size
, 1, f
);
501 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
513 static int check_options(void)
517 if (inspect_info
.file_name
) {
518 ret
= get_file_stat(&inspect_info
);
523 } else if (extract
) {
524 ERR("no firmware for inspection specified");
528 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
529 ERR("either board or hardware id must be specified");
534 board
= find_board(board_id
);
536 ERR("unknown/unsupported board id \"%s\"", board_id
);
539 if (layout_id
== NULL
)
540 layout_id
= board
->layout_id
;
542 hw_id
= board
->hw_id
;
543 hw_rev
= board
->hw_rev
;
545 if (layout_id
== NULL
) {
546 ERR("flash layout is not specified");
549 hw_id
= strtoul(opt_hw_id
, NULL
, 0);
552 hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
557 layout
= find_layout(layout_id
);
558 if (layout
== NULL
) {
559 ERR("unknown flash layout \"%s\"", layout_id
);
564 kernel_la
= layout
->kernel_la
;
566 kernel_ep
= layout
->kernel_ep
;
568 rootfs_ofs
= layout
->rootfs_ofs
;
570 if (kernel_info
.file_name
== NULL
) {
571 ERR("no kernel image specified");
575 ret
= get_file_stat(&kernel_info
);
579 kernel_len
= kernel_info
.file_size
;
582 if (kernel_info
.file_size
>
583 layout
->fw_max_len
- sizeof(struct fw_header
)) {
584 ERR("kernel image is too big");
588 if (rootfs_info
.file_name
== NULL
) {
589 ERR("no rootfs image specified");
593 ret
= get_file_stat(&rootfs_info
);
598 kernel_len
+= sizeof(struct fw_header
);
599 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
600 kernel_len
-= sizeof(struct fw_header
);
602 DBG("kernel length aligned to %u", kernel_len
);
604 if (kernel_len
+ rootfs_info
.file_size
>
605 layout
->fw_max_len
- sizeof(struct fw_header
)) {
606 ERR("images are too big");
610 if (kernel_info
.file_size
>
611 rootfs_ofs
- sizeof(struct fw_header
)) {
612 ERR("kernel image is too big");
616 if (rootfs_info
.file_size
>
617 (layout
->fw_max_len
- rootfs_ofs
)) {
618 ERR("rootfs image is too big");
624 if (ofname
== NULL
) {
625 ERR("no output file specified");
629 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
631 ERR("invalid firmware version '%s'", fw_ver
);
638 static void fill_header(char *buf
, int len
)
640 struct fw_header
*hdr
= (struct fw_header
*)buf
;
642 memset(hdr
, 0, sizeof(struct fw_header
));
644 hdr
->version
= htonl(HEADER_VERSION_V1
);
645 strncpy(hdr
->vendor_name
, vendor
, sizeof(hdr
->vendor_name
));
646 strncpy(hdr
->fw_version
, version
, sizeof(hdr
->fw_version
));
647 hdr
->hw_id
= htonl(hw_id
);
648 hdr
->hw_rev
= htonl(hw_rev
);
650 if (boot_info
.file_size
== 0)
651 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
653 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
655 hdr
->kernel_la
= htonl(kernel_la
);
656 hdr
->kernel_ep
= htonl(kernel_ep
);
657 hdr
->fw_length
= htonl(layout
->fw_max_len
);
658 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
659 hdr
->kernel_len
= htonl(kernel_len
);
661 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
662 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
665 hdr
->ver_hi
= htons(fw_ver_hi
);
666 hdr
->ver_mid
= htons(fw_ver_mid
);
667 hdr
->ver_lo
= htons(fw_ver_lo
);
669 get_md5(buf
, len
, hdr
->md5sum1
);
672 static int pad_jffs2(char *buf
, int currlen
)
678 pad_mask
= (64 * 1024);
679 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
683 for (i
= 10; i
< 32; i
++) {
689 len
= ALIGN(len
, mask
);
691 for (i
= 10; i
< 32; i
++) {
693 if ((len
& (mask
- 1)) == 0)
697 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
698 buf
[len
+ i
] = jffs2_eof_mark
[i
];
700 len
+= sizeof(jffs2_eof_mark
);
706 static int write_fw(char *data
, int len
)
709 int ret
= EXIT_FAILURE
;
711 f
= fopen(ofname
, "w");
713 ERRS("could not open \"%s\" for writing", ofname
);
718 fwrite(data
, len
, 1, f
);
720 ERRS("unable to write output file");
724 DBG("firmware file \"%s\" completed", ofname
);
731 if (ret
!= EXIT_SUCCESS
) {
738 static int build_fw(void)
743 int ret
= EXIT_FAILURE
;
746 buflen
= layout
->fw_max_len
;
748 buf
= malloc(buflen
);
750 ERR("no memory for buffer\n");
754 memset(buf
, 0xff, buflen
);
755 p
= buf
+ sizeof(struct fw_header
);
756 ret
= read_to_buf(&kernel_info
, p
);
760 writelen
= sizeof(struct fw_header
) + kernel_len
;
766 p
= buf
+ rootfs_ofs
;
768 ret
= read_to_buf(&rootfs_info
, p
);
773 writelen
+= rootfs_info
.file_size
;
775 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
778 writelen
= pad_jffs2(buf
, writelen
);
784 fill_header(buf
, writelen
);
785 ret
= write_fw(buf
, writelen
);
797 /* Helper functions to inspect_fw() representing different output formats */
798 static inline void inspect_fw_pstr(char *label
, char *str
)
800 printf("%-23s: %s\n", label
, str
);
803 static inline void inspect_fw_phex(char *label
, uint32_t val
)
805 printf("%-23s: 0x%08x\n", label
, val
);
808 static inline void inspect_fw_phexpost(char *label
,
809 uint32_t val
, char *post
)
811 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
814 static inline void inspect_fw_phexdef(char *label
,
815 uint32_t val
, uint32_t defval
)
817 printf("%-23s: 0x%08x ", label
, val
);
820 printf("(== OpenWrt default)\n");
822 printf("(OpenWrt default: 0x%08x)\n", defval
);
825 static inline void inspect_fw_phexexp(char *label
,
826 uint32_t val
, uint32_t expval
)
828 printf("%-23s: 0x%08x ", label
, val
);
833 printf("(expected: 0x%08x)\n", expval
);
836 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
838 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
841 static inline void inspect_fw_phexdecdef(char *label
,
842 uint32_t val
, uint32_t defval
)
844 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
847 printf("(== OpenWrt default)\n");
849 printf("(OpenWrt default: 0x%08x)\n", defval
);
852 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
856 printf("%-23s:", label
);
857 for (i
=0; i
<MD5SUM_LEN
; i
++)
858 printf(" %02x", val
[i
]);
859 printf(" %s\n", text
);
862 static int inspect_fw(void)
865 struct fw_header
*hdr
;
866 uint8_t md5sum
[MD5SUM_LEN
];
867 struct board_info
*board
;
868 int ret
= EXIT_FAILURE
;
870 buf
= malloc(inspect_info
.file_size
);
872 ERR("no memory for buffer!\n");
876 ret
= read_to_buf(&inspect_info
, buf
);
879 hdr
= (struct fw_header
*)buf
;
881 inspect_fw_pstr("File name", inspect_info
.file_name
);
882 inspect_fw_phexdec("File size", inspect_info
.file_size
);
884 if (ntohl(hdr
->version
) != HEADER_VERSION_V1
) {
885 ERR("file does not seem to have V1 header!\n");
889 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header
));
891 if (ntohl(hdr
->unk1
) != 0)
892 inspect_fw_phexdec("Unknown value 1", hdr
->unk1
);
894 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
895 if (ntohl(hdr
->boot_len
) == 0)
896 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
898 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
899 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
901 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
902 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
903 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
905 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
907 if (ntohl(hdr
->unk2
) != 0)
908 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
909 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
910 "(purpose yet unknown, unchecked here)");
911 if (ntohl(hdr
->unk3
) != 0)
912 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
916 inspect_fw_pstr("Vendor name", hdr
->vendor_name
);
917 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
918 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
920 layout
= find_layout(board
->layout_id
);
921 inspect_fw_phexpost("Hardware ID",
922 ntohl(hdr
->hw_id
), board
->id
);
923 inspect_fw_phexexp("Hardware Revision",
924 ntohl(hdr
->hw_rev
), board
->hw_rev
);
926 inspect_fw_phexpost("Hardware ID",
927 ntohl(hdr
->hw_id
), "unknown");
928 inspect_fw_phex("Hardware Revision",
934 inspect_fw_phexdec("Kernel data offset",
935 ntohl(hdr
->kernel_ofs
));
936 inspect_fw_phexdec("Kernel data length",
937 ntohl(hdr
->kernel_len
));
939 inspect_fw_phexdef("Kernel load address",
940 ntohl(hdr
->kernel_la
),
941 layout
? layout
->kernel_la
: 0xffffffff);
942 inspect_fw_phexdef("Kernel entry point",
943 ntohl(hdr
->kernel_ep
),
944 layout
? layout
->kernel_ep
: 0xffffffff);
945 inspect_fw_phexdecdef("Rootfs data offset",
946 ntohl(hdr
->rootfs_ofs
),
947 layout
? layout
->rootfs_ofs
: 0xffffffff);
949 inspect_fw_phex("Kernel load address",
950 ntohl(hdr
->kernel_la
));
951 inspect_fw_phex("Kernel entry point",
952 ntohl(hdr
->kernel_ep
));
953 inspect_fw_phexdec("Rootfs data offset",
954 ntohl(hdr
->rootfs_ofs
));
956 inspect_fw_phexdec("Rootfs data length",
957 ntohl(hdr
->rootfs_len
));
958 inspect_fw_phexdec("Boot loader data offset",
959 ntohl(hdr
->boot_ofs
));
960 inspect_fw_phexdec("Boot loader data length",
961 ntohl(hdr
->boot_len
));
962 inspect_fw_phexdec("Total firmware length",
963 ntohl(hdr
->fw_length
));
971 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
972 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
973 printf("Extracting kernel to \"%s\"...\n", filename
);
974 fp
= fopen(filename
, "w");
976 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
977 ntohl(hdr
->kernel_len
), 1, fp
)) {
978 ERR("error in fwrite(): %s", strerror(errno
));
982 ERR("error in fopen(): %s", strerror(errno
));
986 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
987 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
988 printf("Extracting rootfs to \"%s\"...\n", filename
);
989 fp
= fopen(filename
, "w");
991 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
992 ntohl(hdr
->rootfs_len
), 1, fp
)) {
993 ERR("error in fwrite(): %s", strerror(errno
));
997 ERR("error in fopen(): %s", strerror(errno
));
1008 int main(int argc
, char *argv
[])
1010 int ret
= EXIT_FAILURE
;
1015 progname
= basename(argv
[0]);
1020 c
= getopt(argc
, argv
, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xhsjv:");
1026 sscanf(optarg
, "0x%x", &rootfs_align
);
1035 sscanf(optarg
, "0x%x", &kernel_ep
);
1041 opt_hw_rev
= optarg
;
1044 sscanf(optarg
, "0x%x", &kernel_la
);
1059 kernel_info
.file_name
= optarg
;
1062 rootfs_info
.file_name
= optarg
;
1065 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1074 inspect_info
.file_name
= optarg
;
1083 usage(EXIT_SUCCESS
);
1086 usage(EXIT_FAILURE
);
1091 ret
= check_options();
1095 if (!inspect_info
.file_name
)