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ath9k: issue a cold reset after failures or after bringing the chip out of full sleep...
[openwrt/staging/lynxis/omap.git] / tools / firmware-utils / src / mktplinkfw.c
1 /*
2 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
3 *
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>
7 *
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.
11 *
12 */
13
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <stdint.h>
17 #include <string.h>
18 #include <unistd.h> /* for unlink() */
19 #include <libgen.h>
20 #include <getopt.h> /* for getopt() */
21 #include <stdarg.h>
22 #include <errno.h>
23 #include <sys/stat.h>
24
25 #include <arpa/inet.h>
26 #include <netinet/in.h>
27
28 #include "md5.h"
29
30 #define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
31
32 #define HEADER_VERSION_V1 0x01000000
33 #define HWID_TL_MR3020_V1 0x30200001
34 #define HWID_TL_MR3220_V1 0x32200001
35 #define HWID_TL_MR3220_V2 0x32200002
36 #define HWID_TL_MR3420_V1 0x34200001
37 #define HWID_TL_WA701N_V1 0x07010001
38 #define HWID_TL_WA7510N_V1 0x75100001
39 #define HWID_TL_WA801ND_V1 0x08010001
40 #define HWID_TL_WA901ND_V1 0x09010001
41 #define HWID_TL_WA901ND_V2 0x09010002
42 #define HWID_TL_WDR4900_V1 0x49000001
43 #define HWID_TL_WR703N_V1 0x07030101
44 #define HWID_TL_WR741ND_V1 0x07410001
45 #define HWID_TL_WR741ND_V4 0x07410004
46 #define HWID_TL_WR740N_V1 0x07400001
47 #define HWID_TL_WR740N_V3 0x07400003
48 #define HWID_TL_WR743ND_V1 0x07430001
49 #define HWID_TL_WR743ND_V2 0x07430002
50 #define HWID_TL_WR841N_V1_5 0x08410002
51 #define HWID_TL_WR841ND_V3 0x08410003
52 #define HWID_TL_WR841ND_V5 0x08410005
53 #define HWID_TL_WR841ND_V7 0x08410007
54 #define HWID_TL_WR941ND_V2 0x09410002
55 #define HWID_TL_WR941ND_V4 0x09410004
56 #define HWID_TL_WR1043ND_V1 0x10430001
57 #define HWID_TL_WR1041N_V2 0x10410002
58 #define HWID_TL_WR2543N_V1 0x25430001
59
60 #define MD5SUM_LEN 16
61
62 struct file_info {
63 char *file_name; /* name of the file */
64 uint32_t file_size; /* length of the file */
65 };
66
67 struct fw_header {
68 uint32_t version; /* header version */
69 char vendor_name[24];
70 char fw_version[36];
71 uint32_t hw_id; /* hardware id */
72 uint32_t hw_rev; /* hardware revision */
73 uint32_t unk1;
74 uint8_t md5sum1[MD5SUM_LEN];
75 uint32_t unk2;
76 uint8_t md5sum2[MD5SUM_LEN];
77 uint32_t unk3;
78 uint32_t kernel_la; /* kernel load address */
79 uint32_t kernel_ep; /* kernel entry point */
80 uint32_t fw_length; /* total length of the firmware */
81 uint32_t kernel_ofs; /* kernel data offset */
82 uint32_t kernel_len; /* kernel data length */
83 uint32_t rootfs_ofs; /* rootfs data offset */
84 uint32_t rootfs_len; /* rootfs data length */
85 uint32_t boot_ofs; /* bootloader data offset */
86 uint32_t boot_len; /* bootloader data length */
87 uint16_t ver_hi;
88 uint16_t ver_mid;
89 uint16_t ver_lo;
90 uint8_t pad[354];
91 } __attribute__ ((packed));
92
93 struct flash_layout {
94 char *id;
95 uint32_t fw_max_len;
96 uint32_t kernel_la;
97 uint32_t kernel_ep;
98 uint32_t rootfs_ofs;
99 };
100
101 struct board_info {
102 char *id;
103 uint32_t hw_id;
104 uint32_t hw_rev;
105 char *layout_id;
106 };
107
108 /*
109 * Globals
110 */
111 static char *ofname;
112 static char *progname;
113 static char *vendor = "TP-LINK Technologies";
114 static char *version = "ver. 1.0";
115 static char *fw_ver = "0.0.0";
116
117 static char *board_id;
118 static struct board_info *board;
119 static char *layout_id;
120 static struct flash_layout *layout;
121 static char *opt_hw_id;
122 static uint32_t hw_id;
123 static char *opt_hw_rev;
124 static uint32_t hw_rev;
125 static int fw_ver_lo;
126 static int fw_ver_mid;
127 static int fw_ver_hi;
128 static struct file_info kernel_info;
129 static uint32_t kernel_la = 0;
130 static uint32_t kernel_ep = 0;
131 static uint32_t kernel_len = 0;
132 static struct file_info rootfs_info;
133 static uint32_t rootfs_ofs = 0;
134 static uint32_t rootfs_align;
135 static struct file_info boot_info;
136 static int combined;
137 static int strip_padding;
138 static int add_jffs2_eof;
139 static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
140
141 static struct file_info inspect_info;
142 static int extract = 0;
143
144 char md5salt_normal[MD5SUM_LEN] = {
145 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
146 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
147 };
148
149 char md5salt_boot[MD5SUM_LEN] = {
150 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
151 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
152 };
153
154 static struct flash_layout layouts[] = {
155 {
156 .id = "4M",
157 .fw_max_len = 0x3c0000,
158 .kernel_la = 0x80060000,
159 .kernel_ep = 0x80060000,
160 .rootfs_ofs = 0x140000,
161 }, {
162 .id = "4Mlzma",
163 .fw_max_len = 0x3c0000,
164 .kernel_la = 0x80060000,
165 .kernel_ep = 0x80060000,
166 .rootfs_ofs = 0x100000,
167 }, {
168 .id = "8M",
169 .fw_max_len = 0x7c0000,
170 .kernel_la = 0x80060000,
171 .kernel_ep = 0x80060000,
172 .rootfs_ofs = 0x140000,
173 }, {
174 .id = "8Mlzma",
175 .fw_max_len = 0x7c0000,
176 .kernel_la = 0x80060000,
177 .kernel_ep = 0x80060000,
178 .rootfs_ofs = 0x100000,
179 }, {
180 .id = "16Mppc",
181 .fw_max_len = 0xf80000,
182 .kernel_la = 0x00000000,
183 .kernel_ep = 0xc0000000,
184 .rootfs_ofs = 0x2a0000,
185 }, {
186 /* terminating entry */
187 }
188 };
189
190 static struct board_info boards[] = {
191 {
192 .id = "TL-MR3020v1",
193 .hw_id = HWID_TL_MR3020_V1,
194 .hw_rev = 1,
195 .layout_id = "4Mlzma",
196 }, {
197 .id = "TL-MR3220v1",
198 .hw_id = HWID_TL_MR3220_V1,
199 .hw_rev = 1,
200 .layout_id = "4M",
201 }, {
202 .id = "TL-MR3220v2",
203 .hw_id = HWID_TL_MR3220_V2,
204 .hw_rev = 1,
205 .layout_id = "4Mlzma",
206 }, {
207 .id = "TL-MR3420v1",
208 .hw_id = HWID_TL_MR3420_V1,
209 .hw_rev = 1,
210 .layout_id = "4M",
211 }, {
212 .id = "TL-WA701Nv1",
213 .hw_id = HWID_TL_WA701N_V1,
214 .hw_rev = 1,
215 .layout_id = "4M",
216 }, {
217 .id = "TL-WA7510N",
218 .hw_id = HWID_TL_WA7510N_V1,
219 .hw_rev = 1,
220 .layout_id = "4M",
221 }, {
222 .id = "TL-WA801NDv1",
223 .hw_id = HWID_TL_WA801ND_V1,
224 .hw_rev = 1,
225 .layout_id = "4M",
226 }, {
227 .id = "TL-WA901NDv1",
228 .hw_id = HWID_TL_WA901ND_V1,
229 .hw_rev = 1,
230 .layout_id = "4M",
231 }, {
232 .id = "TL-WA901NDv2",
233 .hw_id = HWID_TL_WA901ND_V2,
234 .hw_rev = 1,
235 .layout_id = "4M",
236 }, {
237 .id = "TL-WDR4900v1",
238 .hw_id = HWID_TL_WDR4900_V1,
239 .hw_rev = 1,
240 .layout_id = "16Mppc",
241 }, {
242 .id = "TL-WR741NDv1",
243 .hw_id = HWID_TL_WR741ND_V1,
244 .hw_rev = 1,
245 .layout_id = "4M",
246 }, {
247 .id = "TL-WR741NDv4",
248 .hw_id = HWID_TL_WR741ND_V4,
249 .hw_rev = 1,
250 .layout_id = "4Mlzma",
251 }, {
252 .id = "TL-WR740Nv1",
253 .hw_id = HWID_TL_WR740N_V1,
254 .hw_rev = 1,
255 .layout_id = "4M",
256 }, {
257 .id = "TL-WR740Nv3",
258 .hw_id = HWID_TL_WR740N_V3,
259 .hw_rev = 1,
260 .layout_id = "4M",
261 }, {
262 .id = "TL-WR743NDv1",
263 .hw_id = HWID_TL_WR743ND_V1,
264 .hw_rev = 1,
265 .layout_id = "4M",
266 }, {
267 .id = "TL-WR743NDv2",
268 .hw_id = HWID_TL_WR743ND_V2,
269 .hw_rev = 1,
270 .layout_id = "4Mlzma",
271 }, {
272 .id = "TL-WR841Nv1.5",
273 .hw_id = HWID_TL_WR841N_V1_5,
274 .hw_rev = 2,
275 .layout_id = "4M",
276 }, {
277 .id = "TL-WR841NDv3",
278 .hw_id = HWID_TL_WR841ND_V3,
279 .hw_rev = 3,
280 .layout_id = "4M",
281 }, {
282 .id = "TL-WR841NDv5",
283 .hw_id = HWID_TL_WR841ND_V5,
284 .hw_rev = 1,
285 .layout_id = "4M",
286 }, {
287 .id = "TL-WR841NDv7",
288 .hw_id = HWID_TL_WR841ND_V7,
289 .hw_rev = 1,
290 .layout_id = "4M",
291 }, {
292 .id = "TL-WR941NDv2",
293 .hw_id = HWID_TL_WR941ND_V2,
294 .hw_rev = 2,
295 .layout_id = "4M",
296 }, {
297 .id = "TL-WR941NDv4",
298 .hw_id = HWID_TL_WR941ND_V4,
299 .hw_rev = 1,
300 .layout_id = "4M",
301 }, {
302 .id = "TL-WR1041Nv2",
303 .hw_id = HWID_TL_WR1041N_V2,
304 .hw_rev = 1,
305 .layout_id = "4Mlzma",
306 }, {
307 .id = "TL-WR1043NDv1",
308 .hw_id = HWID_TL_WR1043ND_V1,
309 .hw_rev = 1,
310 .layout_id = "8M",
311 }, {
312 .id = "TL-WR2543Nv1",
313 .hw_id = HWID_TL_WR2543N_V1,
314 .hw_rev = 1,
315 .layout_id = "8Mlzma",
316 }, {
317 .id = "TL-WR703Nv1",
318 .hw_id = HWID_TL_WR703N_V1,
319 .hw_rev = 1,
320 .layout_id = "4Mlzma",
321 }, {
322 /* terminating entry */
323 }
324 };
325
326 /*
327 * Message macros
328 */
329 #define ERR(fmt, ...) do { \
330 fflush(0); \
331 fprintf(stderr, "[%s] *** error: " fmt "\n", \
332 progname, ## __VA_ARGS__ ); \
333 } while (0)
334
335 #define ERRS(fmt, ...) do { \
336 int save = errno; \
337 fflush(0); \
338 fprintf(stderr, "[%s] *** error: " fmt "\n", \
339 progname, ## __VA_ARGS__, strerror(save)); \
340 } while (0)
341
342 #define DBG(fmt, ...) do { \
343 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
344 } while (0)
345
346 static struct board_info *find_board(char *id)
347 {
348 struct board_info *ret;
349 struct board_info *board;
350
351 ret = NULL;
352 for (board = boards; board->id != NULL; board++){
353 if (strcasecmp(id, board->id) == 0) {
354 ret = board;
355 break;
356 }
357 };
358
359 return ret;
360 }
361
362 static struct board_info *find_board_by_hwid(uint32_t hw_id)
363 {
364 struct board_info *board;
365
366 for (board = boards; board->id != NULL; board++) {
367 if (hw_id == board->hw_id)
368 return board;
369 };
370
371 return NULL;
372 }
373
374 static struct flash_layout *find_layout(char *id)
375 {
376 struct flash_layout *ret;
377 struct flash_layout *l;
378
379 ret = NULL;
380 for (l = layouts; l->id != NULL; l++){
381 if (strcasecmp(id, l->id) == 0) {
382 ret = l;
383 break;
384 }
385 };
386
387 return ret;
388 }
389
390 static void usage(int status)
391 {
392 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
393 struct board_info *board;
394
395 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
396 fprintf(stream,
397 "\n"
398 "Options:\n"
399 " -B <board> create image for the board specified with <board>\n"
400 " -c use combined kernel image\n"
401 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
402 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
403 " -H <hwid> use hardware id specified with <hwid>\n"
404 " -F <id> use flash layout specified with <id>\n"
405 " -k <file> read kernel image from the file <file>\n"
406 " -r <file> read rootfs image from the file <file>\n"
407 " -a <align> align the rootfs start on an <align> bytes boundary\n"
408 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
409 " -o <file> write output to the file <file>\n"
410 " -s strip padding from the end of the image\n"
411 " -j add jffs2 end-of-filesystem markers\n"
412 " -N <vendor> set image vendor to <vendor>\n"
413 " -V <version> set image version to <version>\n"
414 " -v <version> set firmware version to <version>\n"
415 " -i <file> inspect given firmware file <file>\n"
416 " -x extract kernel and rootfs while inspecting (requires -i)\n"
417 " -h show this screen\n"
418 );
419
420 exit(status);
421 }
422
423 static int get_md5(char *data, int size, char *md5)
424 {
425 MD5_CTX ctx;
426
427 MD5_Init(&ctx);
428 MD5_Update(&ctx, data, size);
429 MD5_Final(md5, &ctx);
430 }
431
432 static int get_file_stat(struct file_info *fdata)
433 {
434 struct stat st;
435 int res;
436
437 if (fdata->file_name == NULL)
438 return 0;
439
440 res = stat(fdata->file_name, &st);
441 if (res){
442 ERRS("stat failed on %s", fdata->file_name);
443 return res;
444 }
445
446 fdata->file_size = st.st_size;
447 return 0;
448 }
449
450 static int read_to_buf(struct file_info *fdata, char *buf)
451 {
452 FILE *f;
453 int ret = EXIT_FAILURE;
454
455 f = fopen(fdata->file_name, "r");
456 if (f == NULL) {
457 ERRS("could not open \"%s\" for reading", fdata->file_name);
458 goto out;
459 }
460
461 errno = 0;
462 fread(buf, fdata->file_size, 1, f);
463 if (errno != 0) {
464 ERRS("unable to read from file \"%s\"", fdata->file_name);
465 goto out_close;
466 }
467
468 ret = EXIT_SUCCESS;
469
470 out_close:
471 fclose(f);
472 out:
473 return ret;
474 }
475
476 static int check_options(void)
477 {
478 int ret;
479
480 if (inspect_info.file_name) {
481 ret = get_file_stat(&inspect_info);
482 if (ret)
483 return ret;
484
485 return 0;
486 } else if (extract) {
487 ERR("no firmware for inspection specified");
488 return -1;
489 }
490
491 if (board_id == NULL && opt_hw_id == NULL) {
492 ERR("either board or hardware id must be specified");
493 return -1;
494 }
495
496 if (board_id) {
497 board = find_board(board_id);
498 if (board == NULL) {
499 ERR("unknown/unsupported board id \"%s\"", board_id);
500 return -1;
501 }
502 if (layout_id == NULL)
503 layout_id = board->layout_id;
504
505 hw_id = board->hw_id;
506 hw_rev = board->hw_rev;
507 } else {
508 if (layout_id == NULL) {
509 ERR("flash layout is not specified");
510 return -1;
511 }
512 hw_id = strtoul(opt_hw_id, NULL, 0);
513
514 if (opt_hw_rev)
515 hw_rev = strtoul(opt_hw_rev, NULL, 0);
516 else
517 hw_rev = 1;
518 }
519
520 layout = find_layout(layout_id);
521 if (layout == NULL) {
522 ERR("unknown flash layout \"%s\"", layout_id);
523 return -1;
524 }
525
526 if (!kernel_la)
527 kernel_la = layout->kernel_la;
528 if (!kernel_ep)
529 kernel_ep = layout->kernel_ep;
530 if (!rootfs_ofs)
531 rootfs_ofs = layout->rootfs_ofs;
532
533 if (kernel_info.file_name == NULL) {
534 ERR("no kernel image specified");
535 return -1;
536 }
537
538 ret = get_file_stat(&kernel_info);
539 if (ret)
540 return ret;
541
542 kernel_len = kernel_info.file_size;
543
544 if (combined) {
545 if (kernel_info.file_size >
546 layout->fw_max_len - sizeof(struct fw_header)) {
547 ERR("kernel image is too big");
548 return -1;
549 }
550 } else {
551 if (rootfs_info.file_name == NULL) {
552 ERR("no rootfs image specified");
553 return -1;
554 }
555
556 ret = get_file_stat(&rootfs_info);
557 if (ret)
558 return ret;
559
560 if (rootfs_align) {
561 kernel_len += sizeof(struct fw_header);
562 kernel_len = ALIGN(kernel_len, rootfs_align);
563 kernel_len -= sizeof(struct fw_header);
564
565 DBG("kernel length aligned to %u", kernel_len);
566
567 if (kernel_len + rootfs_info.file_size >
568 layout->fw_max_len - sizeof(struct fw_header)) {
569 ERR("images are too big");
570 return -1;
571 }
572 } else {
573 if (kernel_info.file_size >
574 rootfs_ofs - sizeof(struct fw_header)) {
575 ERR("kernel image is too big");
576 return -1;
577 }
578
579 if (rootfs_info.file_size >
580 (layout->fw_max_len - rootfs_ofs)) {
581 ERR("rootfs image is too big");
582 return -1;
583 }
584 }
585 }
586
587 if (ofname == NULL) {
588 ERR("no output file specified");
589 return -1;
590 }
591
592 ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
593 if (ret != 3) {
594 ERR("invalid firmware version '%s'", fw_ver);
595 return -1;
596 }
597
598 return 0;
599 }
600
601 static void fill_header(char *buf, int len)
602 {
603 struct fw_header *hdr = (struct fw_header *)buf;
604
605 memset(hdr, 0, sizeof(struct fw_header));
606
607 hdr->version = htonl(HEADER_VERSION_V1);
608 strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
609 strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
610 hdr->hw_id = htonl(hw_id);
611 hdr->hw_rev = htonl(hw_rev);
612
613 if (boot_info.file_size == 0)
614 memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
615 else
616 memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
617
618 hdr->kernel_la = htonl(kernel_la);
619 hdr->kernel_ep = htonl(kernel_ep);
620 hdr->fw_length = htonl(layout->fw_max_len);
621 hdr->kernel_ofs = htonl(sizeof(struct fw_header));
622 hdr->kernel_len = htonl(kernel_len);
623 if (!combined) {
624 hdr->rootfs_ofs = htonl(rootfs_ofs);
625 hdr->rootfs_len = htonl(rootfs_info.file_size);
626 }
627
628 hdr->ver_hi = htons(fw_ver_hi);
629 hdr->ver_mid = htons(fw_ver_mid);
630 hdr->ver_lo = htons(fw_ver_lo);
631
632 get_md5(buf, len, hdr->md5sum1);
633 }
634
635 static int pad_jffs2(char *buf, int currlen)
636 {
637 int len;
638 uint32_t pad_mask;
639
640 len = currlen;
641 pad_mask = (64 * 1024);
642 while ((len < layout->fw_max_len) && (pad_mask != 0)) {
643 uint32_t mask;
644 int i;
645
646 for (i = 10; i < 32; i++) {
647 mask = 1 << i;
648 if (pad_mask & mask)
649 break;
650 }
651
652 len = ALIGN(len, mask);
653
654 for (i = 10; i < 32; i++) {
655 mask = 1 << i;
656 if ((len & (mask - 1)) == 0)
657 pad_mask &= ~mask;
658 }
659
660 for (i = 0; i < sizeof(jffs2_eof_mark); i++)
661 buf[len + i] = jffs2_eof_mark[i];
662
663 len += sizeof(jffs2_eof_mark);
664 }
665
666 return len;
667 }
668
669 static int write_fw(char *data, int len)
670 {
671 FILE *f;
672 int ret = EXIT_FAILURE;
673
674 f = fopen(ofname, "w");
675 if (f == NULL) {
676 ERRS("could not open \"%s\" for writing", ofname);
677 goto out;
678 }
679
680 errno = 0;
681 fwrite(data, len, 1, f);
682 if (errno) {
683 ERRS("unable to write output file");
684 goto out_flush;
685 }
686
687 DBG("firmware file \"%s\" completed", ofname);
688
689 ret = EXIT_SUCCESS;
690
691 out_flush:
692 fflush(f);
693 fclose(f);
694 if (ret != EXIT_SUCCESS) {
695 unlink(ofname);
696 }
697 out:
698 return ret;
699 }
700
701 static int build_fw(void)
702 {
703 int buflen;
704 char *buf;
705 char *p;
706 int ret = EXIT_FAILURE;
707 int writelen = 0;
708
709 buflen = layout->fw_max_len;
710
711 buf = malloc(buflen);
712 if (!buf) {
713 ERR("no memory for buffer\n");
714 goto out;
715 }
716
717 memset(buf, 0xff, buflen);
718 p = buf + sizeof(struct fw_header);
719 ret = read_to_buf(&kernel_info, p);
720 if (ret)
721 goto out_free_buf;
722
723 writelen = sizeof(struct fw_header) + kernel_len;
724
725 if (!combined) {
726 if (rootfs_align)
727 p = buf + writelen;
728 else
729 p = buf + rootfs_ofs;
730
731 ret = read_to_buf(&rootfs_info, p);
732 if (ret)
733 goto out_free_buf;
734
735 if (rootfs_align)
736 writelen += rootfs_info.file_size;
737 else
738 writelen = rootfs_ofs + rootfs_info.file_size;
739
740 if (add_jffs2_eof)
741 writelen = pad_jffs2(buf, writelen);
742 }
743
744 if (!strip_padding)
745 writelen = buflen;
746
747 fill_header(buf, writelen);
748 ret = write_fw(buf, writelen);
749 if (ret)
750 goto out_free_buf;
751
752 ret = EXIT_SUCCESS;
753
754 out_free_buf:
755 free(buf);
756 out:
757 return ret;
758 }
759
760 /* Helper functions to inspect_fw() representing different output formats */
761 static inline void inspect_fw_pstr(char *label, char *str)
762 {
763 printf("%-23s: %s\n", label, str);
764 }
765
766 static inline void inspect_fw_phex(char *label, uint32_t val)
767 {
768 printf("%-23s: 0x%08x\n", label, val);
769 }
770
771 static inline void inspect_fw_phexpost(char *label,
772 uint32_t val, char *post)
773 {
774 printf("%-23s: 0x%08x (%s)\n", label, val, post);
775 }
776
777 static inline void inspect_fw_phexdef(char *label,
778 uint32_t val, uint32_t defval)
779 {
780 printf("%-23s: 0x%08x ", label, val);
781
782 if (val == defval)
783 printf("(== OpenWrt default)\n");
784 else
785 printf("(OpenWrt default: 0x%08x)\n", defval);
786 }
787
788 static inline void inspect_fw_phexexp(char *label,
789 uint32_t val, uint32_t expval)
790 {
791 printf("%-23s: 0x%08x ", label, val);
792
793 if (val == expval)
794 printf("(ok)\n");
795 else
796 printf("(expected: 0x%08x)\n", expval);
797 }
798
799 static inline void inspect_fw_phexdec(char *label, uint32_t val)
800 {
801 printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
802 }
803
804 static inline void inspect_fw_phexdecdef(char *label,
805 uint32_t val, uint32_t defval)
806 {
807 printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
808
809 if (val == defval)
810 printf("(== OpenWrt default)\n");
811 else
812 printf("(OpenWrt default: 0x%08x)\n", defval);
813 }
814
815 static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
816 {
817 int i;
818
819 printf("%-23s:", label);
820 for (i=0; i<MD5SUM_LEN; i++)
821 printf(" %02x", val[i]);
822 printf(" %s\n", text);
823 }
824
825 static int inspect_fw(void)
826 {
827 char *buf;
828 struct fw_header *hdr;
829 uint8_t md5sum[MD5SUM_LEN];
830 struct board_info *board;
831 int ret = EXIT_FAILURE;
832
833 buf = malloc(inspect_info.file_size);
834 if (!buf) {
835 ERR("no memory for buffer!\n");
836 goto out;
837 }
838
839 ret = read_to_buf(&inspect_info, buf);
840 if (ret)
841 goto out_free_buf;
842 hdr = (struct fw_header *)buf;
843
844 inspect_fw_pstr("File name", inspect_info.file_name);
845 inspect_fw_phexdec("File size", inspect_info.file_size);
846
847 if (ntohl(hdr->version) != HEADER_VERSION_V1) {
848 ERR("file does not seem to have V1 header!\n");
849 goto out_free_buf;
850 }
851
852 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header));
853
854 if (ntohl(hdr->unk1) != 0)
855 inspect_fw_phexdec("Unknown value 1", hdr->unk1);
856
857 memcpy(md5sum, hdr->md5sum1, sizeof(md5sum));
858 if (ntohl(hdr->boot_len) == 0)
859 memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum));
860 else
861 memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum));
862 get_md5(buf, inspect_info.file_size, hdr->md5sum1);
863
864 if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) {
865 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)");
866 inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, "");
867 } else {
868 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)");
869 }
870 if (ntohl(hdr->unk2) != 0)
871 inspect_fw_phexdec("Unknown value 2", hdr->unk2);
872 inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2,
873 "(purpose yet unknown, unchecked here)");
874 if (ntohl(hdr->unk3) != 0)
875 inspect_fw_phexdec("Unknown value 3", hdr->unk3);
876
877 printf("\n");
878
879 inspect_fw_pstr("Vendor name", hdr->vendor_name);
880 inspect_fw_pstr("Firmware version", hdr->fw_version);
881 board = find_board_by_hwid(ntohl(hdr->hw_id));
882 if (board) {
883 layout = find_layout(board->layout_id);
884 inspect_fw_phexpost("Hardware ID",
885 ntohl(hdr->hw_id), board->id);
886 inspect_fw_phexexp("Hardware Revision",
887 ntohl(hdr->hw_rev), board->hw_rev);
888 } else {
889 inspect_fw_phexpost("Hardware ID",
890 ntohl(hdr->hw_id), "unknown");
891 inspect_fw_phex("Hardware Revision",
892 ntohl(hdr->hw_rev));
893 }
894
895 printf("\n");
896
897 inspect_fw_phexdec("Kernel data offset",
898 ntohl(hdr->kernel_ofs));
899 inspect_fw_phexdec("Kernel data length",
900 ntohl(hdr->kernel_len));
901 if (board) {
902 inspect_fw_phexdef("Kernel load address",
903 ntohl(hdr->kernel_la),
904 layout ? layout->kernel_la : 0xffffffff);
905 inspect_fw_phexdef("Kernel entry point",
906 ntohl(hdr->kernel_ep),
907 layout ? layout->kernel_ep : 0xffffffff);
908 inspect_fw_phexdecdef("Rootfs data offset",
909 ntohl(hdr->rootfs_ofs),
910 layout ? layout->rootfs_ofs : 0xffffffff);
911 } else {
912 inspect_fw_phex("Kernel load address",
913 ntohl(hdr->kernel_la));
914 inspect_fw_phex("Kernel entry point",
915 ntohl(hdr->kernel_ep));
916 inspect_fw_phexdec("Rootfs data offset",
917 ntohl(hdr->rootfs_ofs));
918 }
919 inspect_fw_phexdec("Rootfs data length",
920 ntohl(hdr->rootfs_len));
921 inspect_fw_phexdec("Boot loader data offset",
922 ntohl(hdr->boot_ofs));
923 inspect_fw_phexdec("Boot loader data length",
924 ntohl(hdr->boot_len));
925 inspect_fw_phexdec("Total firmware length",
926 ntohl(hdr->fw_length));
927
928 if (extract) {
929 FILE *fp;
930 char *filename;
931
932 printf("\n");
933
934 filename = malloc(strlen(inspect_info.file_name) + 8);
935 sprintf(filename, "%s-kernel", inspect_info.file_name);
936 printf("Extracting kernel to \"%s\"...\n", filename);
937 fp = fopen(filename, "w");
938 if (fp) {
939 if (!fwrite(buf + ntohl(hdr->kernel_ofs),
940 ntohl(hdr->kernel_len), 1, fp)) {
941 ERR("error in fwrite(): %s", strerror(errno));
942 }
943 fclose(fp);
944 } else {
945 ERR("error in fopen(): %s", strerror(errno));
946 }
947 free(filename);
948
949 filename = malloc(strlen(inspect_info.file_name) + 8);
950 sprintf(filename, "%s-rootfs", inspect_info.file_name);
951 printf("Extracting rootfs to \"%s\"...\n", filename);
952 fp = fopen(filename, "w");
953 if (fp) {
954 if (!fwrite(buf + ntohl(hdr->rootfs_ofs),
955 ntohl(hdr->rootfs_len), 1, fp)) {
956 ERR("error in fwrite(): %s", strerror(errno));
957 }
958 fclose(fp);
959 } else {
960 ERR("error in fopen(): %s", strerror(errno));
961 }
962 free(filename);
963 }
964
965 out_free_buf:
966 free(buf);
967 out:
968 return ret;
969 }
970
971 int main(int argc, char *argv[])
972 {
973 int ret = EXIT_FAILURE;
974 int err;
975
976 FILE *outfile;
977
978 progname = basename(argv[0]);
979
980 while ( 1 ) {
981 int c;
982
983 c = getopt(argc, argv, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xhsjv:");
984 if (c == -1)
985 break;
986
987 switch (c) {
988 case 'a':
989 sscanf(optarg, "0x%x", &rootfs_align);
990 break;
991 case 'B':
992 board_id = optarg;
993 break;
994 case 'H':
995 opt_hw_id = optarg;
996 break;
997 case 'E':
998 sscanf(optarg, "0x%x", &kernel_ep);
999 break;
1000 case 'F':
1001 layout_id = optarg;
1002 break;
1003 case 'W':
1004 opt_hw_rev = optarg;
1005 break;
1006 case 'L':
1007 sscanf(optarg, "0x%x", &kernel_la);
1008 break;
1009 case 'V':
1010 version = optarg;
1011 break;
1012 case 'v':
1013 fw_ver = optarg;
1014 break;
1015 case 'N':
1016 vendor = optarg;
1017 break;
1018 case 'c':
1019 combined++;
1020 break;
1021 case 'k':
1022 kernel_info.file_name = optarg;
1023 break;
1024 case 'r':
1025 rootfs_info.file_name = optarg;
1026 break;
1027 case 'R':
1028 sscanf(optarg, "0x%x", &rootfs_ofs);
1029 break;
1030 case 'o':
1031 ofname = optarg;
1032 break;
1033 case 's':
1034 strip_padding = 1;
1035 break;
1036 case 'i':
1037 inspect_info.file_name = optarg;
1038 break;
1039 case 'j':
1040 add_jffs2_eof = 1;
1041 break;
1042 case 'x':
1043 extract = 1;
1044 break;
1045 case 'h':
1046 usage(EXIT_SUCCESS);
1047 break;
1048 default:
1049 usage(EXIT_FAILURE);
1050 break;
1051 }
1052 }
1053
1054 ret = check_options();
1055 if (ret)
1056 goto out;
1057
1058 if (!inspect_info.file_name)
1059 ret = build_fw();
1060 else
1061 ret = inspect_fw();
1062
1063 out:
1064 return ret;
1065 }
1066
lynxis staging tree for omap