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_GL_INET_V1 0x08000001
34 #define HWID_GS_OOLITE_V1 0x3C000101
35 #define HWID_TL_MR10U_V1 0x00100101
36 #define HWID_TL_MR13U_V1 0x00130101
37 #define HWID_TL_MR3020_V1 0x30200001
38 #define HWID_TL_MR3220_V1 0x32200001
39 #define HWID_TL_MR3220_V2 0x32200002
40 #define HWID_TL_MR3420_V1 0x34200001
41 #define HWID_TL_MR3420_V2 0x34200002
42 #define HWID_TL_WA701N_V1 0x07010001
43 #define HWID_TL_WA701N_V2 0x07010002
44 #define HWID_TL_WA7510N_V1 0x75100001
45 #define HWID_TL_WA801ND_V1 0x08010001
46 #define HWID_TL_WA830RE_V1 0x08300010
47 #define HWID_TL_WA830RE_V2 0x08300002
48 #define HWID_TL_WA801ND_V2 0x08010002
49 #define HWID_TL_WA901ND_V1 0x09010001
50 #define HWID_TL_WA901ND_V2 0x09010002
51 #define HWID_TL_WDR4300_V1_IL 0x43008001
52 #define HWID_TL_WDR4900_V1 0x49000001
53 #define HWID_TL_WR703N_V1 0x07030101
54 #define HWID_TL_WR720N_V3 0x07200103
55 #define HWID_TL_WR741ND_V1 0x07410001
56 #define HWID_TL_WR741ND_V4 0x07410004
57 #define HWID_TL_WR740N_V1 0x07400001
58 #define HWID_TL_WR740N_V3 0x07400003
59 #define HWID_TL_WR743ND_V1 0x07430001
60 #define HWID_TL_WR743ND_V2 0x07430002
61 #define HWID_TL_WR841N_V1_5 0x08410002
62 #define HWID_TL_WR841ND_V3 0x08410003
63 #define HWID_TL_WR841ND_V5 0x08410005
64 #define HWID_TL_WR841ND_V7 0x08410007
65 #define HWID_TL_WR941ND_V2 0x09410002
66 #define HWID_TL_WR941ND_V4 0x09410004
67 #define HWID_TL_WR1043ND_V1 0x10430001
68 #define HWID_TL_WR1043ND_V2 0x10430002
69 #define HWID_TL_WR1041N_V2 0x10410002
70 #define HWID_TL_WR2543N_V1 0x25430001
75 char *file_name; /* name of the file */
76 uint32_t file_size; /* length of the file */
80 uint32_t version; /* header version */
83 uint32_t hw_id; /* hardware id */
84 uint32_t hw_rev; /* hardware revision */
86 uint8_t md5sum1[MD5SUM_LEN];
88 uint8_t md5sum2[MD5SUM_LEN];
90 uint32_t kernel_la; /* kernel load address */
91 uint32_t kernel_ep; /* kernel entry point */
92 uint32_t fw_length; /* total length of the firmware */
93 uint32_t kernel_ofs; /* kernel data offset */
94 uint32_t kernel_len; /* kernel data length */
95 uint32_t rootfs_ofs; /* rootfs data offset */
96 uint32_t rootfs_len; /* rootfs data length */
97 uint32_t boot_ofs; /* bootloader data offset */
98 uint32_t boot_len; /* bootloader data length */
103 } __attribute__ ((packed));
105 struct flash_layout {
124 static char *progname;
125 static char *vendor = "TP-LINK Technologies";
126 static char *version = "ver. 1.0";
127 static char *fw_ver = "0.0.0";
129 static char *board_id;
130 static struct board_info *board;
131 static char *layout_id;
132 static struct flash_layout *layout;
133 static char *opt_hw_id;
134 static uint32_t hw_id;
135 static char *opt_hw_rev;
136 static uint32_t hw_rev;
137 static int fw_ver_lo;
138 static int fw_ver_mid;
139 static int fw_ver_hi;
140 static struct file_info kernel_info;
141 static uint32_t kernel_la = 0;
142 static uint32_t kernel_ep = 0;
143 static uint32_t kernel_len = 0;
144 static struct file_info rootfs_info;
145 static uint32_t rootfs_ofs = 0;
146 static uint32_t rootfs_align;
147 static struct file_info boot_info;
149 static int strip_padding;
150 static int add_jffs2_eof;
151 static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
152 static uint32_t fw_max_len;
153 static uint32_t reserved_space;
155 static struct file_info inspect_info;
156 static int extract = 0;
158 char md5salt_normal[MD5SUM_LEN] = {
159 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
160 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
163 char md5salt_boot[MD5SUM_LEN] = {
164 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
165 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
168 static struct flash_layout layouts[] = {
171 .fw_max_len = 0x3c0000,
172 .kernel_la = 0x80060000,
173 .kernel_ep = 0x80060000,
174 .rootfs_ofs = 0x140000,
177 .fw_max_len = 0x3c0000,
178 .kernel_la = 0x80060000,
179 .kernel_ep = 0x80060000,
180 .rootfs_ofs = 0x100000,
183 .fw_max_len = 0x7c0000,
184 .kernel_la = 0x80060000,
185 .kernel_ep = 0x80060000,
186 .rootfs_ofs = 0x140000,
189 .fw_max_len = 0x7c0000,
190 .kernel_la = 0x80060000,
191 .kernel_ep = 0x80060000,
192 .rootfs_ofs = 0x100000,
195 .fw_max_len = 0xf80000,
196 .kernel_la = 0x80060000,
197 .kernel_ep = 0x80060000,
198 .rootfs_ofs = 0x140000,
201 .fw_max_len = 0xf80000,
202 .kernel_la = 0x80060000,
203 .kernel_ep = 0x80060000,
204 .rootfs_ofs = 0x100000,
207 .fw_max_len = 0xf80000,
208 .kernel_la = 0x00000000,
209 .kernel_ep = 0xc0000000,
210 .rootfs_ofs = 0x2a0000,
212 /* terminating entry */
216 static struct board_info boards[] = {
219 .hw_id = HWID_TL_MR10U_V1,
221 .layout_id = "4Mlzma",
224 .hw_id = HWID_TL_MR13U_V1,
226 .layout_id = "4Mlzma",
229 .hw_id = HWID_TL_MR3020_V1,
231 .layout_id = "4Mlzma",
234 .hw_id = HWID_TL_MR3220_V1,
239 .hw_id = HWID_TL_MR3220_V2,
241 .layout_id = "4Mlzma",
244 .hw_id = HWID_TL_MR3420_V1,
249 .hw_id = HWID_TL_MR3420_V2,
251 .layout_id = "4Mlzma",
254 .hw_id = HWID_TL_WA701N_V1,
259 .hw_id = HWID_TL_WA701N_V2,
261 .layout_id = "4Mlzma",
264 .hw_id = HWID_TL_WA7510N_V1,
268 .id = "TL-WA801NDv1",
269 .hw_id = HWID_TL_WA801ND_V1,
273 .id = "TL-WA830REv1",
274 .hw_id = HWID_TL_WA830RE_V1,
278 .id = "TL-WA830REv2",
279 .hw_id = HWID_TL_WA830RE_V2,
283 .id = "TL-WA801NDv2",
284 .hw_id = HWID_TL_WA801ND_V2,
286 .layout_id = "4Mlzma",
288 .id = "TL-WA901NDv1",
289 .hw_id = HWID_TL_WA901ND_V1,
293 .id = "TL-WA901NDv2",
294 .hw_id = HWID_TL_WA901ND_V2,
298 .id = "TL-WDR4300v1",
299 .hw_id = HWID_TL_WDR4300_V1_IL,
301 .layout_id = "8Mlzma",
303 .id = "TL-WDR4900v1",
304 .hw_id = HWID_TL_WDR4900_V1,
306 .layout_id = "16Mppc",
308 .id = "TL-WR741NDv1",
309 .hw_id = HWID_TL_WR741ND_V1,
313 .id = "TL-WR741NDv4",
314 .hw_id = HWID_TL_WR741ND_V4,
316 .layout_id = "4Mlzma",
319 .hw_id = HWID_TL_WR740N_V1,
324 .hw_id = HWID_TL_WR740N_V3,
328 .id = "TL-WR743NDv1",
329 .hw_id = HWID_TL_WR743ND_V1,
333 .id = "TL-WR743NDv2",
334 .hw_id = HWID_TL_WR743ND_V2,
336 .layout_id = "4Mlzma",
338 .id = "TL-WR841Nv1.5",
339 .hw_id = HWID_TL_WR841N_V1_5,
343 .id = "TL-WR841NDv3",
344 .hw_id = HWID_TL_WR841ND_V3,
348 .id = "TL-WR841NDv5",
349 .hw_id = HWID_TL_WR841ND_V5,
353 .id = "TL-WR841NDv7",
354 .hw_id = HWID_TL_WR841ND_V7,
358 .id = "TL-WR941NDv2",
359 .hw_id = HWID_TL_WR941ND_V2,
363 .id = "TL-WR941NDv4",
364 .hw_id = HWID_TL_WR941ND_V4,
368 .id = "TL-WR1041Nv2",
369 .hw_id = HWID_TL_WR1041N_V2,
371 .layout_id = "4Mlzma",
373 .id = "TL-WR1043NDv1",
374 .hw_id = HWID_TL_WR1043ND_V1,
378 .id = "TL-WR1043NDv2",
379 .hw_id = HWID_TL_WR1043ND_V2,
381 .layout_id = "8Mlzma",
383 .id = "TL-WR2543Nv1",
384 .hw_id = HWID_TL_WR2543N_V1,
386 .layout_id = "8Mlzma",
389 .hw_id = HWID_TL_WR703N_V1,
391 .layout_id = "4Mlzma",
394 .hw_id = HWID_TL_WR720N_V3,
396 .layout_id = "4Mlzma",
399 .hw_id = HWID_GL_INET_V1,
401 .layout_id = "8Mlzma",
404 .hw_id = HWID_GS_OOLITE_V1,
406 .layout_id = "16Mlzma",
408 /* terminating entry */
415 #define ERR(fmt, ...) do { \
417 fprintf(stderr, "[%s] *** error: " fmt "\n", \
418 progname, ## __VA_ARGS__ ); \
421 #define ERRS(fmt, ...) do { \
424 fprintf(stderr, "[%s] *** error: " fmt "\n", \
425 progname, ## __VA_ARGS__, strerror(save)); \
428 #define DBG(fmt, ...) do { \
429 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
432 static struct board_info *find_board(char *id)
434 struct board_info *ret;
435 struct board_info *board;
438 for (board = boards; board->id != NULL; board++){
439 if (strcasecmp(id, board->id) == 0) {
448 static struct board_info *find_board_by_hwid(uint32_t hw_id)
450 struct board_info *board;
452 for (board = boards; board->id != NULL; board++) {
453 if (hw_id == board->hw_id)
460 static struct flash_layout *find_layout(char *id)
462 struct flash_layout *ret;
463 struct flash_layout *l;
466 for (l = layouts; l->id != NULL; l++){
467 if (strcasecmp(id, l->id) == 0) {
476 static void usage(int status)
478 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
479 struct board_info *board;
481 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
485 " -B <board> create image for the board specified with <board>\n"
486 " -c use combined kernel image\n"
487 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
488 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
489 " -H <hwid> use hardware id specified with <hwid>\n"
490 " -W <hwrev> use hardware revision specified with <hwrev>\n"
491 " -F <id> use flash layout specified with <id>\n"
492 " -k <file> read kernel image from the file <file>\n"
493 " -r <file> read rootfs image from the file <file>\n"
494 " -a <align> align the rootfs start on an <align> bytes boundary\n"
495 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
496 " -o <file> write output to the file <file>\n"
497 " -s strip padding from the end of the image\n"
498 " -j add jffs2 end-of-filesystem markers\n"
499 " -N <vendor> set image vendor to <vendor>\n"
500 " -V <version> set image version to <version>\n"
501 " -v <version> set firmware version to <version>\n"
502 " -i <file> inspect given firmware file <file>\n"
503 " -x extract kernel and rootfs while inspecting (requires -i)\n"
504 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
505 " -h show this screen\n"
511 static int get_md5(char *data, int size, char *md5)
516 MD5_Update(&ctx, data, size);
517 MD5_Final(md5, &ctx);
520 static int get_file_stat(struct file_info *fdata)
525 if (fdata->file_name == NULL)
528 res = stat(fdata->file_name, &st);
530 ERRS("stat failed on %s", fdata->file_name);
534 fdata->file_size = st.st_size;
538 static int read_to_buf(struct file_info *fdata, char *buf)
541 int ret = EXIT_FAILURE;
543 f = fopen(fdata->file_name, "r");
545 ERRS("could not open \"%s\" for reading", fdata->file_name);
550 fread(buf, fdata->file_size, 1, f);
552 ERRS("unable to read from file \"%s\"", fdata->file_name);
564 static int check_options(void)
568 if (inspect_info.file_name) {
569 ret = get_file_stat(&inspect_info);
574 } else if (extract) {
575 ERR("no firmware for inspection specified");
579 if (board_id == NULL && opt_hw_id == NULL) {
580 ERR("either board or hardware id must be specified");
585 board = find_board(board_id);
587 ERR("unknown/unsupported board id \"%s\"", board_id);
590 if (layout_id == NULL)
591 layout_id = board->layout_id;
593 hw_id = board->hw_id;
594 hw_rev = board->hw_rev;
596 if (layout_id == NULL) {
597 ERR("flash layout is not specified");
600 hw_id = strtoul(opt_hw_id, NULL, 0);
603 hw_rev = strtoul(opt_hw_rev, NULL, 0);
608 layout = find_layout(layout_id);
609 if (layout == NULL) {
610 ERR("unknown flash layout \"%s\"", layout_id);
615 kernel_la = layout->kernel_la;
617 kernel_ep = layout->kernel_ep;
619 rootfs_ofs = layout->rootfs_ofs;
621 if (reserved_space > layout->fw_max_len) {
622 ERR("reserved space is not valid");
626 fw_max_len = layout->fw_max_len - reserved_space;
628 if (kernel_info.file_name == NULL) {
629 ERR("no kernel image specified");
633 ret = get_file_stat(&kernel_info);
637 kernel_len = kernel_info.file_size;
640 if (kernel_info.file_size >
641 fw_max_len - sizeof(struct fw_header)) {
642 ERR("kernel image is too big");
646 if (rootfs_info.file_name == NULL) {
647 ERR("no rootfs image specified");
651 ret = get_file_stat(&rootfs_info);
656 kernel_len += sizeof(struct fw_header);
657 kernel_len = ALIGN(kernel_len, rootfs_align);
658 kernel_len -= sizeof(struct fw_header);
660 DBG("kernel length aligned to %u", kernel_len);
662 if (kernel_len + rootfs_info.file_size >
663 fw_max_len - sizeof(struct fw_header)) {
664 ERR("images are too big");
668 if (kernel_info.file_size >
669 rootfs_ofs - sizeof(struct fw_header)) {
670 ERR("kernel image is too big");
674 if (rootfs_info.file_size >
675 (fw_max_len - rootfs_ofs)) {
676 ERR("rootfs image is too big");
682 if (ofname == NULL) {
683 ERR("no output file specified");
687 ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
689 ERR("invalid firmware version '%s'", fw_ver);
696 static void fill_header(char *buf, int len)
698 struct fw_header *hdr = (struct fw_header *)buf;
700 memset(hdr, 0, sizeof(struct fw_header));
702 hdr->version = htonl(HEADER_VERSION_V1);
703 strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
704 strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
705 hdr->hw_id = htonl(hw_id);
706 hdr->hw_rev = htonl(hw_rev);
708 if (boot_info.file_size == 0)
709 memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
711 memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
713 hdr->kernel_la = htonl(kernel_la);
714 hdr->kernel_ep = htonl(kernel_ep);
715 hdr->fw_length = htonl(layout->fw_max_len);
716 hdr->kernel_ofs = htonl(sizeof(struct fw_header));
717 hdr->kernel_len = htonl(kernel_len);
719 hdr->rootfs_ofs = htonl(rootfs_ofs);
720 hdr->rootfs_len = htonl(rootfs_info.file_size);
723 hdr->ver_hi = htons(fw_ver_hi);
724 hdr->ver_mid = htons(fw_ver_mid);
725 hdr->ver_lo = htons(fw_ver_lo);
727 get_md5(buf, len, hdr->md5sum1);
730 static int pad_jffs2(char *buf, int currlen)
736 pad_mask = (64 * 1024);
737 while ((len < layout->fw_max_len) && (pad_mask != 0)) {
741 for (i = 10; i < 32; i++) {
747 len = ALIGN(len, mask);
749 for (i = 10; i < 32; i++) {
751 if ((len & (mask - 1)) == 0)
755 for (i = 0; i < sizeof(jffs2_eof_mark); i++)
756 buf[len + i] = jffs2_eof_mark[i];
758 len += sizeof(jffs2_eof_mark);
764 static int write_fw(char *data, int len)
767 int ret = EXIT_FAILURE;
769 f = fopen(ofname, "w");
771 ERRS("could not open \"%s\" for writing", ofname);
776 fwrite(data, len, 1, f);
778 ERRS("unable to write output file");
782 DBG("firmware file \"%s\" completed", ofname);
789 if (ret != EXIT_SUCCESS) {
796 static int build_fw(void)
801 int ret = EXIT_FAILURE;
804 buflen = layout->fw_max_len;
806 buf = malloc(buflen);
808 ERR("no memory for buffer\n");
812 memset(buf, 0xff, buflen);
813 p = buf + sizeof(struct fw_header);
814 ret = read_to_buf(&kernel_info, p);
818 writelen = sizeof(struct fw_header) + kernel_len;
824 p = buf + rootfs_ofs;
826 ret = read_to_buf(&rootfs_info, p);
831 writelen += rootfs_info.file_size;
833 writelen = rootfs_ofs + rootfs_info.file_size;
836 writelen = pad_jffs2(buf, writelen);
842 fill_header(buf, writelen);
843 ret = write_fw(buf, writelen);
855 /* Helper functions to inspect_fw() representing different output formats */
856 static inline void inspect_fw_pstr(char *label, char *str)
858 printf("%-23s: %s\n", label, str);
861 static inline void inspect_fw_phex(char *label, uint32_t val)
863 printf("%-23s: 0x%08x\n", label, val);
866 static inline void inspect_fw_phexpost(char *label,
867 uint32_t val, char *post)
869 printf("%-23s: 0x%08x (%s)\n", label, val, post);
872 static inline void inspect_fw_phexdef(char *label,
873 uint32_t val, uint32_t defval)
875 printf("%-23s: 0x%08x ", label, val);
878 printf("(== OpenWrt default)\n");
880 printf("(OpenWrt default: 0x%08x)\n", defval);
883 static inline void inspect_fw_phexexp(char *label,
884 uint32_t val, uint32_t expval)
886 printf("%-23s: 0x%08x ", label, val);
891 printf("(expected: 0x%08x)\n", expval);
894 static inline void inspect_fw_phexdec(char *label, uint32_t val)
896 printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
899 static inline void inspect_fw_phexdecdef(char *label,
900 uint32_t val, uint32_t defval)
902 printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
905 printf("(== OpenWrt default)\n");
907 printf("(OpenWrt default: 0x%08x)\n", defval);
910 static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
914 printf("%-23s:", label);
915 for (i=0; i<MD5SUM_LEN; i++)
916 printf(" %02x", val[i]);
917 printf(" %s\n", text);
920 static int inspect_fw(void)
923 struct fw_header *hdr;
924 uint8_t md5sum[MD5SUM_LEN];
925 struct board_info *board;
926 int ret = EXIT_FAILURE;
928 buf = malloc(inspect_info.file_size);
930 ERR("no memory for buffer!\n");
934 ret = read_to_buf(&inspect_info, buf);
937 hdr = (struct fw_header *)buf;
939 inspect_fw_pstr("File name", inspect_info.file_name);
940 inspect_fw_phexdec("File size", inspect_info.file_size);
942 if (ntohl(hdr->version) != HEADER_VERSION_V1) {
943 ERR("file does not seem to have V1 header!\n");
947 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header));
949 if (ntohl(hdr->unk1) != 0)
950 inspect_fw_phexdec("Unknown value 1", hdr->unk1);
952 memcpy(md5sum, hdr->md5sum1, sizeof(md5sum));
953 if (ntohl(hdr->boot_len) == 0)
954 memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum));
956 memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum));
957 get_md5(buf, inspect_info.file_size, hdr->md5sum1);
959 if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) {
960 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)");
961 inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, "");
963 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)");
965 if (ntohl(hdr->unk2) != 0)
966 inspect_fw_phexdec("Unknown value 2", hdr->unk2);
967 inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2,
968 "(purpose yet unknown, unchecked here)");
969 if (ntohl(hdr->unk3) != 0)
970 inspect_fw_phexdec("Unknown value 3", hdr->unk3);
974 inspect_fw_pstr("Vendor name", hdr->vendor_name);
975 inspect_fw_pstr("Firmware version", hdr->fw_version);
976 board = find_board_by_hwid(ntohl(hdr->hw_id));
978 layout = find_layout(board->layout_id);
979 inspect_fw_phexpost("Hardware ID",
980 ntohl(hdr->hw_id), board->id);
981 inspect_fw_phexexp("Hardware Revision",
982 ntohl(hdr->hw_rev), board->hw_rev);
984 inspect_fw_phexpost("Hardware ID",
985 ntohl(hdr->hw_id), "unknown");
986 inspect_fw_phex("Hardware Revision",
992 inspect_fw_phexdec("Kernel data offset",
993 ntohl(hdr->kernel_ofs));
994 inspect_fw_phexdec("Kernel data length",
995 ntohl(hdr->kernel_len));
997 inspect_fw_phexdef("Kernel load address",
998 ntohl(hdr->kernel_la),
999 layout ? layout->kernel_la : 0xffffffff);
1000 inspect_fw_phexdef("Kernel entry point",
1001 ntohl(hdr->kernel_ep),
1002 layout ? layout->kernel_ep : 0xffffffff);
1003 inspect_fw_phexdecdef("Rootfs data offset",
1004 ntohl(hdr->rootfs_ofs),
1005 layout ? layout->rootfs_ofs : 0xffffffff);
1007 inspect_fw_phex("Kernel load address",
1008 ntohl(hdr->kernel_la));
1009 inspect_fw_phex("Kernel entry point",
1010 ntohl(hdr->kernel_ep));
1011 inspect_fw_phexdec("Rootfs data offset",
1012 ntohl(hdr->rootfs_ofs));
1014 inspect_fw_phexdec("Rootfs data length",
1015 ntohl(hdr->rootfs_len));
1016 inspect_fw_phexdec("Boot loader data offset",
1017 ntohl(hdr->boot_ofs));
1018 inspect_fw_phexdec("Boot loader data length",
1019 ntohl(hdr->boot_len));
1020 inspect_fw_phexdec("Total firmware length",
1021 ntohl(hdr->fw_length));
1029 filename = malloc(strlen(inspect_info.file_name) + 8);
1030 sprintf(filename, "%s-kernel", inspect_info.file_name);
1031 printf("Extracting kernel to \"%s\"...\n", filename);
1032 fp = fopen(filename, "w");
1034 if (!fwrite(buf + ntohl(hdr->kernel_ofs),
1035 ntohl(hdr->kernel_len), 1, fp)) {
1036 ERR("error in fwrite(): %s", strerror(errno));
1040 ERR("error in fopen(): %s", strerror(errno));
1044 filename = malloc(strlen(inspect_info.file_name) + 8);
1045 sprintf(filename, "%s-rootfs", inspect_info.file_name);
1046 printf("Extracting rootfs to \"%s\"...\n", filename);
1047 fp = fopen(filename, "w");
1049 if (!fwrite(buf + ntohl(hdr->rootfs_ofs),
1050 ntohl(hdr->rootfs_len), 1, fp)) {
1051 ERR("error in fwrite(): %s", strerror(errno));
1055 ERR("error in fopen(): %s", strerror(errno));
1066 int main(int argc, char *argv[])
1068 int ret = EXIT_FAILURE;
1073 progname = basename(argv[0]);
1078 c = getopt(argc, argv, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xX:hsjv:");
1084 sscanf(optarg, "0x%x", &rootfs_align);
1093 sscanf(optarg, "0x%x", &kernel_ep);
1099 opt_hw_rev = optarg;
1102 sscanf(optarg, "0x%x", &kernel_la);
1117 kernel_info.file_name = optarg;
1120 rootfs_info.file_name = optarg;
1123 sscanf(optarg, "0x%x", &rootfs_ofs);
1132 inspect_info.file_name = optarg;
1141 usage(EXIT_SUCCESS);
1144 sscanf(optarg, "0x%x", &reserved_space);
1147 usage(EXIT_FAILURE);
1152 ret = check_options();
1156 if (!inspect_info.file_name)