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ramips: add support for TP-Link RE305 v3
[project/firmware-utils.git] / src / mkcasfw.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 *
4 * Copyright (C) 2007 OpenWrt.org
5 * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
6 */
7
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <stdint.h>
11 #include <string.h>
12 #include <unistd.h> /* for unlink() */
13 #include <libgen.h>
14 #include <getopt.h> /* for getopt() */
15 #include <stdarg.h>
16 #include <errno.h>
17 #include <sys/stat.h>
18 #include <endian.h> /* for __BYTE_ORDER */
19 #include <byteswap.h>
20
21 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
22 # define HOST_TO_LE16(x) (x)
23 # define HOST_TO_LE32(x) (x)
24 # define LE16_TO_HOST(x) (x)
25 # define LE32_TO_HOST(x) (x)
26 #else
27 # define HOST_TO_LE16(x) bswap_16(x)
28 # define HOST_TO_LE32(x) bswap_32(x)
29 # define LE16_TO_HOST(x) bswap_16(x)
30 # define LE32_TO_HOST(x) bswap_32(x)
31 #endif
32
33 #define MAX_NUM_BLOCKS 2
34 #define MAX_ARG_COUNT 32
35 #define MAX_ARG_LEN 1024
36 #define FILE_BUF_LEN (16*1024)
37 #define DEFAULT_PADC 0xFF
38
39 #define DEFAULT_BLOCK_ALIGN 0x10000U
40
41 #define CSUM_TYPE_NONE 0
42 #define CSUM_TYPE_8 1
43 #define CSUM_TYPE_16 2
44 #define CSUM_TYPE_32 3
45
46 struct csum_state{
47 int size;
48 uint32_t val;
49 uint32_t tmp;
50 int odd;
51 };
52
53 struct image_desc {
54 int need_file;
55 char *file_name; /* name of the file */
56 uint32_t file_size; /* length of the file */
57
58 uint32_t csum;
59 uint32_t out_size;
60 uint8_t padc;
61 };
62
63 struct fwhdr_nfs {
64 uint32_t type;
65 uint32_t kernel_offs;
66 uint32_t kernel_size;
67 uint32_t fs_offs;
68 uint32_t fs_size;
69 uint32_t kernel_csum;
70 uint32_t fs_csum;
71 uint32_t id;
72 } __attribute__ ((packed));
73
74 struct fwhdr_cas {
75 uint32_t type;
76 uint32_t kernel_offs;
77 uint32_t kernel_size;
78 uint32_t id;
79 uint32_t kernel_csum;
80 uint32_t magic1;
81 uint32_t magic2;
82 uint32_t magic3;
83 } __attribute__ ((packed));
84
85 union file_hdr {
86 struct fwhdr_cas cas;
87 struct fwhdr_nfs nfs;
88 };
89
90 struct board_info {
91 char *model;
92 char *name;
93 int header_type;
94 uint32_t id;
95 uint32_t max_kernel_size;
96 uint32_t max_fs_size;
97 };
98
99 #define HEADER_TYPE_NFS 0
100 #define HEADER_TYPE_CAS 1
101
102 #define KERNEL_SIZE_CAS (61*64*1024)
103 #define KERNEL_SIZE_NFS (52*64*1024)
104 #define FS_SIZE_NFS (9*64*1024)
105
106 #define CAS_MAGIC1 0x5241AA55
107 #define CAS_MAGIC2 0x524F4741
108 #define CAS_MAGIC3 0xD3F22D4E
109
110 /* Cellvision/SparkLAN products */
111 #define MODEL_CAS_630 0x01000000
112 #define MODEL_CAS_630W 0x01000000
113 #define MODEL_CAS_670 0x01000000
114 #define MODEL_CAS_670W 0x01000000
115 #define MODEL_NFS_101U 0x01000000
116 #define MODEL_NFS_101WU 0x01000003
117 #define MODEL_NFS_202U 0x01000001
118 #define MODEL_NFS_202WU 0x01000002
119
120 /* Corega products */
121 #define MODEL_CG_NSADP 0x01000020 /* NFS-101U */
122 #define MODEL_CG_NSADPCR 0x01000021 /* NFS-202U */
123
124 /* D-Link products */
125 #define MODEL_DCS_950 0x01010102 /* CAS-630 */
126 #define MODEL_DCS_950G 0x01020102 /* CAS-630W */
127 #define MODEL_DNS_120 0x01000030 /* NFS-101U */
128 #define MODEL_DNS_G120 0x01000032 /* NFS-101WU */
129
130 /* Digitus products */
131 #define MODEL_DN_16021 MODEL_CAS_630
132 #define MODEL_DN_16022 MODEL_CAS_630W
133 #define MODEL_DN_16030 MODEL_CAS_670
134 #define MODEL_DN_16031 MODEL_CAS_670W
135 #define MODEL_DN_7013 MODEL_NFS_101U
136
137 /* Lobos products */
138 #define MODEL_LB_SS01TXU 0x00000000
139
140 /* Neu-Fusion products */
141
142 /* Ovislink products */
143 #define MODEL_MU_5000FS 0x01000040 /* NFS-101U */
144 #define MODEL_WL_5420CAM 0x020B0101 /* CAS-630W? */
145 #define MODEL_WL_5460CAM 0x020B0001 /* CAS-670W */
146
147 /* Repotec products */
148
149 /* Sitecom products */
150 #define MODEL_LN_350 /* unknown */
151 #define MODEL_LN_403 0x01020402
152 #define MODEL_WL_401 0x01010402
153
154 /* Surecom products */
155 #define MODEL_EP_4001_MM 0x01030A02 /* CAS-630 */
156 #define MODEL_EP_4002_MM 0x01020A02 /* CAS-630W */
157 #define MODEL_EP_4011_MM 0x01010A02 /* CAS-670 */
158 #define MODEL_EP_4012_MM 0x01000A02 /* CAS-670W */
159 #define MODEL_EP_9812_U /* unknown */
160
161 /* Trendnet products */
162 #define MODEL_TN_U100 0x01000081 /* NFS-101U */
163 #define MODEL_TN_U200 0x01000082 /* NFS-202U */
164
165 /*
166 * Globals
167 */
168 char *progname;
169 char *ofname;
170 int verblevel;
171 int keep_invalid_images;
172 int invalid_causes_error = 1;
173 union file_hdr header;
174
175 struct image_desc kernel_image;
176 struct image_desc fs_image;
177
178 struct board_info *board = NULL;
179
180 #define BOARD(m, n, i, ks, fs, h) { \
181 .model = (m), \
182 .name = (n), \
183 .id = (i), \
184 .max_kernel_size = (ks), \
185 .max_fs_size = (fs), \
186 .header_type = (h) \
187 }
188
189 #define BOARD_CAS(m,n,i) \
190 BOARD(m, n, i, KERNEL_SIZE_CAS, 0, HEADER_TYPE_CAS)
191 #define BOARD_NFS(m,n,i) \
192 BOARD(m, n, i, KERNEL_SIZE_NFS, FS_SIZE_NFS, HEADER_TYPE_NFS)
193
194 static struct board_info boards[] = {
195 /* Cellvision/Sparklan products */
196 BOARD_CAS("CAS-630", "Cellvision CAS-630", MODEL_CAS_630),
197 BOARD_CAS("CAS-630W", "Cellvision CAS-630W", MODEL_CAS_630W),
198 BOARD_CAS("CAS-670", "Cellvision CAS-670", MODEL_CAS_670),
199 BOARD_CAS("CAS-670W", "Cellvision CAS-670W", MODEL_CAS_670W),
200 BOARD_NFS("NFS-101U", "Cellvision NFS-101U", MODEL_NFS_101U),
201 BOARD_NFS("NFS-101WU", "Cellvision NFS-101WU", MODEL_NFS_101WU),
202 BOARD_NFS("NFS-202U", "Cellvision NFS-202U", MODEL_NFS_202U),
203 BOARD_NFS("NFS-202WU", "Cellvision NFS-202WU", MODEL_NFS_202WU),
204
205 /* Corega products */
206 BOARD_NFS("CG-NSADP", "Corega CG-NSADP", MODEL_CG_NSADP),
207 BOARD_NFS("CG-NSADPCR", "Corega CG-NSADPCR", MODEL_CG_NSADPCR),
208
209 /* D-Link products */
210 BOARD_CAS("DCS-950", "D-Link DCS-950", MODEL_DCS_950),
211 BOARD_CAS("DCS-950G", "D-Link DCS-950G", MODEL_DCS_950G),
212 BOARD_NFS("DNS-120", "D-Link DNS-120", MODEL_DNS_120),
213 BOARD_NFS("DNS-G120", "D-Link DNS-G120", MODEL_DNS_G120),
214
215 /* Digitus products */
216 BOARD_NFS("DN-7013", "Digitus DN-7013", MODEL_DN_7013),
217
218 /* Lobos products */
219 BOARD_NFS("LB-SS01TXU", "Lobos LB-SS01TXU", MODEL_LB_SS01TXU),
220
221 /* Ovislink products */
222 BOARD_NFS("MU-5000FS", "Ovislink MU-5000FS", MODEL_MU_5000FS),
223 BOARD_CAS("WL-5420CAM", "Ovislink WL-5420 CAM", MODEL_WL_5420CAM),
224 BOARD_CAS("WL-5460CAM", "Ovislink WL-5460 CAM", MODEL_WL_5460CAM),
225
226 /* Sitecom products */
227 BOARD_CAS("LN-403", "Sitecom LN-403", MODEL_LN_403),
228 BOARD_CAS("WL-401", "Sitecom WL-401", MODEL_WL_401),
229
230 /* Surecom products */
231 BOARD_CAS("EP-4001-MM", "Surecom EP-4001-MM", MODEL_EP_4001_MM),
232 BOARD_CAS("EP-4002-MM", "Surecom EP-4002-MM", MODEL_EP_4002_MM),
233 BOARD_CAS("EP-4011-MM", "Surecom EP-4011-MM", MODEL_EP_4011_MM),
234 BOARD_CAS("EP-4012-MM", "Surecom EP-4012-MM", MODEL_EP_4012_MM),
235
236 /* TrendNET products */
237 BOARD_NFS("TN-U100", "TrendNET TN-U100", MODEL_TN_U100),
238 BOARD_NFS("TN-U200", "TrendNET TN-U200", MODEL_TN_U200),
239
240 {.model = NULL}
241 };
242
243 /*
244 * Message macros
245 */
246 #define ERR(fmt, ...) do { \
247 fflush(0); \
248 fprintf(stderr, "[%s] *** error: " fmt "\n", \
249 progname, ## __VA_ARGS__ ); \
250 } while (0)
251
252 #define ERRS(fmt, ...) do { \
253 int save = errno; \
254 fflush(0); \
255 fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
256 progname, ## __VA_ARGS__, strerror(save)); \
257 } while (0)
258
259 #define WARN(fmt, ...) do { \
260 fprintf(stderr, "[%s] *** warning: " fmt "\n", \
261 progname, ## __VA_ARGS__ ); \
262 } while (0)
263
264 #define DBG(lev, fmt, ...) do { \
265 if (verblevel < lev) \
266 break;\
267 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
268 } while (0)
269
270 #define ERR_FATAL -1
271 #define ERR_INVALID_IMAGE -2
272
273 void
274 usage(int status)
275 {
276 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
277 struct board_info *board;
278
279 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname);
280 fprintf(stream,
281 "\n"
282 "Options:\n"
283 " -B <board> create image for the board specified with <board>.\n"
284 " valid <board> values:\n"
285 );
286 for (board = boards; board->model != NULL; board++){
287 fprintf(stream,
288 " %-12s: %s\n",
289 board->model, board->name);
290 };
291 fprintf(stream,
292 " -d don't throw error on invalid images\n"
293 " -k keep invalid images\n"
294 " -K <file> add kernel to the image\n"
295 " -C <file> add custom filesystem to the image\n"
296 " -h show this screen\n"
297 "Parameters:\n"
298 " <file> write output to the file <file>\n"
299 );
300
301 exit(status);
302 }
303
304 static inline uint32_t align(uint32_t base, uint32_t alignment)
305 {
306 uint32_t ret;
307
308 if (alignment) {
309 ret = (base + alignment - 1);
310 ret &= ~(alignment-1);
311 } else {
312 ret = base;
313 }
314
315 return ret;
316 }
317
318 /*
319 * argument parsing
320 */
321 int
322 str2u32(char *arg, uint32_t *val)
323 {
324 char *err = NULL;
325 uint32_t t;
326
327 errno=0;
328 t = strtoul(arg, &err, 0);
329 if (errno || (err==arg) || ((err != NULL) && *err)) {
330 return -1;
331 }
332
333 *val = t;
334 return 0;
335 }
336
337
338 int
339 str2u16(char *arg, uint16_t *val)
340 {
341 char *err = NULL;
342 uint32_t t;
343
344 errno=0;
345 t = strtoul(arg, &err, 0);
346 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
347 return -1;
348 }
349
350 *val = t & 0xFFFF;
351 return 0;
352 }
353
354 int
355 str2u8(char *arg, uint8_t *val)
356 {
357 char *err = NULL;
358 uint32_t t;
359
360 errno=0;
361 t = strtoul(arg, &err, 0);
362 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
363 return -1;
364 }
365
366 *val = t & 0xFF;
367 return 0;
368 }
369
370 int
371 parse_arg(char *arg, char *buf, char *argv[])
372 {
373 int res = 0;
374 size_t argl;
375 char *tok;
376 char **ap = &buf;
377 int i;
378
379 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
380
381 if ((arg == NULL)) {
382 /* no arguments */
383 return 0;
384 }
385
386 argl = strlen(arg);
387 if (argl == 0) {
388 /* no arguments */
389 return 0;
390 }
391
392 if (argl >= MAX_ARG_LEN) {
393 /* argument is too long */
394 argl = MAX_ARG_LEN-1;
395 }
396
397 memcpy(buf, arg, argl);
398 buf[argl] = '\0';
399
400 for (i = 0; i < MAX_ARG_COUNT; i++) {
401 tok = strsep(ap, ":");
402 if (tok == NULL) {
403 break;
404 }
405 #if 0
406 else if (tok[0] == '\0') {
407 break;
408 }
409 #endif
410 argv[i] = tok;
411 res++;
412 }
413
414 return res;
415 }
416
417
418 int
419 required_arg(char c, char *arg)
420 {
421 if (arg == NULL || *arg != '-')
422 return 0;
423
424 ERR("option -%c requires an argument\n", c);
425 return ERR_FATAL;
426 }
427
428
429 int
430 is_empty_arg(char *arg)
431 {
432 int ret = 1;
433 if (arg != NULL) {
434 if (*arg) ret = 0;
435 };
436 return ret;
437 }
438
439
440 void
441 csum8_update(uint8_t *p, uint32_t len, struct csum_state *css)
442 {
443 for ( ; len > 0; len --) {
444 css->val += *p++;
445 }
446 }
447
448
449 uint16_t
450 csum8_get(struct csum_state *css)
451 {
452 uint8_t t;
453
454 t = css->val;
455 return ~t + 1;
456 }
457
458
459 void
460 csum16_update(void *data, uint32_t len, struct csum_state *css)
461 {
462 uint8_t *p = data;
463 uint16_t t;
464
465 if (css->odd) {
466 t = css->tmp + (p[0]<<8);
467 css->val += LE16_TO_HOST(t);
468 css->odd = 0;
469 len--;
470 p++;
471 }
472
473 for ( ; len > 1; len -= 2, p +=2 ) {
474 t = p[0] + (p[1] << 8);
475 css->val += LE16_TO_HOST(t);
476 }
477
478 if (len == 1) {
479 css->tmp = p[0];
480 css->odd = 1;
481 }
482 }
483
484
485 uint16_t
486 csum16_get(struct csum_state *css)
487 {
488 char pad = 0;
489
490 csum16_update(&pad, 1, css);
491 return ~css->val + 1;
492 }
493
494 void
495 csum32_update(uint8_t *p, uint32_t len, struct csum_state *css)
496 {
497 uint32_t t;
498
499 for ( ; len > 3; len -= 4, p += 4 ) {
500 t = p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24);
501 css->val ^= t;
502 }
503 }
504
505 uint32_t
506 csum32_get(struct csum_state *css)
507 {
508 return css->val;
509 }
510
511
512 void
513 csum_init(struct csum_state *css, int size)
514 {
515 css->val = 0;
516 css->tmp = 0;
517 css->odd = 0;
518 css->size = size;
519 }
520
521 void
522 csum_update(void *data, uint32_t len, struct csum_state *css)
523 {
524 uint8_t *p = data;
525
526 switch (css->size) {
527 case CSUM_TYPE_8:
528 csum8_update(p,len,css);
529 break;
530 case CSUM_TYPE_16:
531 csum16_update(p,len,css);
532 break;
533 case CSUM_TYPE_32:
534 csum32_update(p,len,css);
535 break;
536 }
537 }
538
539
540 uint32_t
541 csum_get(struct csum_state *css)
542 {
543 uint32_t ret;
544
545 switch (css->size) {
546 case CSUM_TYPE_8:
547 ret = csum8_get(css);
548 break;
549 case CSUM_TYPE_16:
550 ret = csum16_get(css);
551 break;
552 case CSUM_TYPE_32:
553 ret = csum32_get(css);
554 break;
555 default:
556 ERR("invalid checksum size\n");
557 return 0;
558 }
559
560 return ret;
561 }
562
563
564 /*
565 * routines to write data to the output file
566 */
567 int
568 write_out_data(FILE *outfile, void *data, size_t len,
569 struct csum_state *css)
570 {
571 uint8_t *ptr = data;
572
573 errno = 0;
574
575 fwrite(ptr, len, 1, outfile);
576 if (errno) {
577 ERRS("unable to write output file");
578 return ERR_FATAL;
579 }
580
581 if (css) {
582 csum_update(ptr, len, css);
583 }
584
585 return 0;
586 }
587
588
589 int
590 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
591 struct csum_state *css)
592 {
593 uint8_t buf[512];
594 size_t buflen = sizeof(buf);
595 int err;
596
597 memset(buf, padc, buflen);
598 while (len > 0) {
599 if (len < buflen)
600 buflen = len;
601
602 err = write_out_data(outfile, buf, buflen, css);
603 if (err)
604 return err;
605
606 len -= buflen;
607 }
608
609 return 0;
610 }
611
612
613 int
614 image_stat_file(struct image_desc *desc)
615 {
616 struct stat st;
617 int err;
618
619 if (desc->file_name == NULL)
620 return 0;
621
622 err = stat(desc->file_name, &st);
623 if (err){
624 ERRS("stat failed on %s", desc->file_name);
625 return ERR_FATAL;
626 }
627
628 if (st.st_size > desc->out_size) {
629 WARN("file %s is too big, will be truncated to %d bytes\n",
630 desc->file_name, desc->out_size);
631 desc->file_size = desc->out_size;
632 return ERR_INVALID_IMAGE;
633 }
634
635
636 desc->file_size = st.st_size;
637 desc->out_size = align(desc->file_size,1);
638 return 0;
639 }
640
641
642 int
643 image_writeout_file(FILE *outfile, struct image_desc *desc,
644 struct csum_state *css)
645 {
646 char buf[FILE_BUF_LEN];
647 size_t buflen = sizeof(buf);
648 FILE *f;
649 size_t len;
650 int res;
651
652 if (desc->file_name == NULL)
653 return 0;
654
655 if (desc->file_size == 0)
656 return 0;
657
658 errno = 0;
659 f = fopen(desc->file_name,"r");
660 if (errno) {
661 ERRS("unable to open file: %s", desc->file_name);
662 return ERR_FATAL;
663 }
664
665 len = desc->file_size;
666 while (len > 0) {
667 if (len < buflen)
668 buflen = len;
669
670 /* read data from source file */
671 errno = 0;
672 fread(buf, buflen, 1, f);
673 if (errno != 0) {
674 ERRS("unable to read from file: %s", desc->file_name);
675 res = ERR_FATAL;
676 break;
677 }
678
679 res = write_out_data(outfile, buf, buflen, css);
680 if (res)
681 break;
682
683 len -= buflen;
684 }
685
686 fclose(f);
687 return res;
688 }
689
690
691 int
692 image_writeout(FILE *outfile, struct image_desc *desc)
693 {
694 int res;
695 struct csum_state css;
696 size_t padlen;
697
698 res = 0;
699
700 if (!desc->file_size)
701 return 0;
702
703 DBG(2, "writing image, file=%s, file_size=%d\n",
704 desc->file_name, desc->file_size);
705
706 csum_init(&css, CSUM_TYPE_32);
707
708 res = image_writeout_file(outfile, desc, &css);
709 if (res)
710 return res;
711
712 /* write padding data if neccesary */
713 padlen = desc->out_size - desc->file_size;
714 DBG(1,"padding desc, length=%zu", padlen);
715 res = write_out_padding(outfile, padlen, desc->padc, &css);
716
717 desc->csum = csum_get(&css);
718
719 return res;
720 }
721
722
723 int
724 write_out_header(FILE *outfile)
725 {
726 union file_hdr tmp;
727 int res;
728
729 errno = 0;
730 if (fseek(outfile, 0, SEEK_SET) != 0) {
731 ERRS("fseek failed on output file");
732 return ERR_FATAL;
733 }
734
735 switch (board->header_type) {
736 case HEADER_TYPE_CAS:
737 tmp.cas.type = HOST_TO_LE32(header.cas.type);
738 tmp.cas.id = HOST_TO_LE32(header.cas.id);
739 tmp.cas.kernel_offs = HOST_TO_LE32(sizeof(tmp.cas));
740 tmp.cas.kernel_size = HOST_TO_LE32(kernel_image.out_size);
741 tmp.cas.kernel_csum = HOST_TO_LE32(kernel_image.csum);
742 tmp.cas.magic1 = HOST_TO_LE32(CAS_MAGIC1);
743 tmp.cas.magic2 = HOST_TO_LE32(CAS_MAGIC2);
744 tmp.cas.magic3 = HOST_TO_LE32(CAS_MAGIC3);
745 res = write_out_data(outfile, (uint8_t *)&tmp.cas,
746 sizeof(tmp.cas), NULL);
747 break;
748 case HEADER_TYPE_NFS:
749 tmp.nfs.type = HOST_TO_LE32(header.nfs.type);
750 tmp.nfs.id = HOST_TO_LE32(header.nfs.id);
751 tmp.nfs.kernel_offs = HOST_TO_LE32(sizeof(tmp.nfs));
752 tmp.nfs.kernel_size = HOST_TO_LE32(kernel_image.out_size);
753 tmp.nfs.kernel_csum = HOST_TO_LE32(kernel_image.csum);
754 tmp.nfs.fs_offs = HOST_TO_LE32(sizeof(tmp.nfs)
755 + kernel_image.out_size);
756 tmp.nfs.fs_size = HOST_TO_LE32(fs_image.out_size);
757 tmp.nfs.fs_csum = HOST_TO_LE32(fs_image.csum);
758 res = write_out_data(outfile, (uint8_t *)&tmp.nfs,
759 sizeof(tmp.nfs), NULL);
760 break;
761 default:
762 ERR("invalid header type\n");
763 return -EINVAL;
764 }
765
766 return res;
767 }
768
769 int
770 write_out_images(FILE *outfile)
771 {
772 int res;
773
774 res = image_writeout(outfile, &kernel_image);
775 if (res)
776 return res;
777
778 res = image_writeout(outfile, &fs_image);
779 if (res)
780 return res;
781
782 return 0;
783 }
784
785
786 struct board_info *
787 find_board(char *model)
788 {
789 struct board_info *ret;
790 struct board_info *board;
791
792 ret = NULL;
793 for (board = boards; board->model != NULL; board++){
794 if (strcasecmp(model, board->model) == 0) {
795 ret = board;
796 break;
797 }
798 };
799
800 return ret;
801 }
802
803
804 int
805 parse_opt_board(char ch, char *arg)
806 {
807
808 DBG(1,"parsing board option: -%c %s", ch, arg);
809
810 if (board != NULL) {
811 ERR("only one board option allowed");
812 return ERR_FATAL;
813 }
814
815 if (required_arg(ch, arg))
816 return ERR_FATAL;
817
818 board = find_board(arg);
819 if (board == NULL){
820 ERR("invalid/unknown board specified: %s", arg);
821 return ERR_FATAL;
822 }
823
824 switch (board->header_type) {
825 case HEADER_TYPE_CAS:
826 header.cas.type = HEADER_TYPE_CAS;
827 header.cas.id = board->id;
828 break;
829 case HEADER_TYPE_NFS:
830 header.nfs.type = HEADER_TYPE_NFS;
831 header.nfs.id = board->id;
832 break;
833 default:
834 ERR("internal error, unknown header type\n");
835 return ERR_FATAL;
836 }
837
838 return 0;
839 }
840
841
842 int
843 parse_opt_image(char ch, char *arg)
844 {
845 char buf[MAX_ARG_LEN];
846 char *argv[MAX_ARG_COUNT];
847 char *p;
848 struct image_desc *desc = NULL;
849 int i;
850
851 switch (ch) {
852 case 'K':
853 if (kernel_image.file_name) {
854 WARN("only one kernel option allowed");
855 break;
856 }
857 desc = &kernel_image;
858 break;
859 case 'F':
860 if (fs_image.file_name) {
861 WARN("only one fs option allowed");
862 break;
863 }
864 desc = &fs_image;
865 break;
866 }
867
868 if (!desc)
869 return ERR_FATAL;
870
871 parse_arg(arg, buf, argv);
872
873 i = 0;
874 p = argv[i++];
875 if (!is_empty_arg(p)) {
876 desc->file_name = strdup(p);
877 if (desc->file_name == NULL) {
878 ERR("not enough memory");
879 return ERR_FATAL;
880 }
881 } else {
882 ERR("no file specified for option %c", ch);
883 return ERR_FATAL;
884 }
885
886 return 0;
887 }
888
889
890 int
891 process_images(void)
892 {
893 int res;
894
895 kernel_image.out_size = board->max_kernel_size;
896 kernel_image.padc = DEFAULT_PADC;
897 res = image_stat_file(&kernel_image);
898 if (res)
899 return res;
900
901 if (!fs_image.file_name)
902 return 0;
903
904 fs_image.out_size = board->max_fs_size;
905 fs_image.padc = DEFAULT_PADC;
906 res = image_stat_file(&fs_image);
907 if (res)
908 return res;
909
910 return 0;
911 }
912
913
914 int
915 main(int argc, char *argv[])
916 {
917 int optinvalid = 0; /* flag for invalid option */
918 int c;
919 int res = ERR_FATAL;
920
921 FILE *outfile;
922
923 progname=basename(argv[0]);
924
925 opterr = 0; /* could not print standard getopt error messages */
926 while ( 1 ) {
927 optinvalid = 0;
928
929 c = getopt(argc, argv, "B:C:dhK:r:vw:x:");
930 if (c == -1)
931 break;
932
933 switch (c) {
934 case 'B':
935 optinvalid = parse_opt_board(c,optarg);
936 break;
937 case 'd':
938 invalid_causes_error = 0;
939 break;
940 case 'C':
941 case 'K':
942 optinvalid = parse_opt_image(c,optarg);
943 break;
944 case 'k':
945 keep_invalid_images = 1;
946 break;
947 case 'v':
948 verblevel++;
949 break;
950 case 'h':
951 usage(EXIT_SUCCESS);
952 break;
953 default:
954 optinvalid = 1;
955 break;
956 }
957 if (optinvalid != 0 ){
958 ERR("invalid option: -%c", optopt);
959 goto out;
960 }
961 }
962
963 if (board == NULL) {
964 ERR("no board specified");
965 goto out;
966 }
967
968 if (optind == argc) {
969 ERR("no output file specified");
970 goto out;
971 }
972
973 ofname = argv[optind++];
974
975 if (optind < argc) {
976 ERR("invalid option: %s", argv[optind]);
977 goto out;
978 }
979
980 res = process_images();
981 if (res == ERR_FATAL)
982 goto out;
983
984 if (res == ERR_INVALID_IMAGE) {
985 if (invalid_causes_error)
986 res = ERR_FATAL;
987
988 if (keep_invalid_images == 0) {
989 WARN("generation of invalid images \"%s\" disabled", ofname);
990 goto out;
991 }
992
993 WARN("generating invalid image: \"%s\"", ofname);
994 }
995
996 outfile = fopen(ofname, "w");
997 if (outfile == NULL) {
998 ERRS("could not open \"%s\" for writing", ofname);
999 res = ERR_FATAL;
1000 goto out;
1001 }
1002
1003 if (write_out_header(outfile) != 0) {
1004 res = ERR_FATAL;
1005 goto out_flush;
1006 }
1007
1008 if (write_out_images(outfile) != 0) {
1009 res = ERR_FATAL;
1010 goto out_flush;
1011 }
1012
1013 if (write_out_header(outfile) != 0) {
1014 res = ERR_FATAL;
1015 goto out_flush;
1016 }
1017
1018 DBG(1,"Image file %s completed.", ofname);
1019
1020 out_flush:
1021 fflush(outfile);
1022 fclose(outfile);
1023 if (res == ERR_FATAL) {
1024 unlink(ofname);
1025 }
1026 out:
1027 if (res == ERR_FATAL)
1028 return EXIT_FAILURE;
1029
1030 return EXIT_SUCCESS;
1031 }
OpenWrt firmware image utilities