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file: update vendor branch to v5.04
[dragonfly.git] / contrib / file / src / cdf.c
blob92791ea8e6af329b4d40e1649ad797471144fe15
1 /*-
2 * Copyright (c) 2008 Christos Zoulas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26 /*
27 * Parse composite document files, the format used in Microsoft Office
28 * document files before they switched to zipped xml.
29 * Info from: http://sc.openoffice.org/compdocfileformat.pdf
30 */
31
32 #include "file.h"
33
34 #ifndef lint
35 FILE_RCSID("@(#)$File: cdf.c,v 1.36 2010/01/22 20:56:26 christos Exp $")
36 #endif
37
38 #include <assert.h>
39 #ifdef CDF_DEBUG
40 #include <err.h>
41 #endif
42 #include <stdlib.h>
43 #include <unistd.h>
44 #include <string.h>
45 #include <time.h>
46 #include <ctype.h>
47 #ifdef HAVE_LIMITS_H
48 #include <limits.h>
49 #endif
50
51 #ifndef EFTYPE
52 #define EFTYPE EINVAL
53 #endif
54
55 #include "cdf.h"
56
57 #ifndef __arraycount
58 #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
59 #endif
60
61 #ifdef CDF_DEBUG
62 #define DPRINTF(a) printf a, fflush(stdout)
63 #else
64 #define DPRINTF(a)
65 #endif
66
67 static union {
68 char s[4];
69 uint32_t u;
70 } cdf_bo;
71
72 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304)
73
74 #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? cdf_tole8(x) : (uint64_t)(x)))
75 #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? cdf_tole4(x) : (uint32_t)(x)))
76 #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? cdf_tole2(x) : (uint16_t)(x)))
77
78 /*
79 * swap a short
80 */
81 uint16_t
82 cdf_tole2(uint16_t sv)
83 {
84 uint16_t rv;
85 uint8_t *s = (uint8_t *)(void *)&sv;
86 uint8_t *d = (uint8_t *)(void *)&rv;
87 d[0] = s[1];
88 d[1] = s[0];
89 return rv;
90 }
91
92 /*
93 * swap an int
94 */
95 uint32_t
96 cdf_tole4(uint32_t sv)
97 {
98 uint32_t rv;
99 uint8_t *s = (uint8_t *)(void *)&sv;
100 uint8_t *d = (uint8_t *)(void *)&rv;
101 d[0] = s[3];
102 d[1] = s[2];
103 d[2] = s[1];
104 d[3] = s[0];
105 return rv;
106 }
107
108 /*
109 * swap a quad
110 */
111 uint64_t
112 cdf_tole8(uint64_t sv)
113 {
114 uint64_t rv;
115 uint8_t *s = (uint8_t *)(void *)&sv;
116 uint8_t *d = (uint8_t *)(void *)&rv;
117 d[0] = s[7];
118 d[1] = s[6];
119 d[2] = s[5];
120 d[3] = s[4];
121 d[4] = s[3];
122 d[5] = s[2];
123 d[6] = s[1];
124 d[7] = s[0];
125 return rv;
126 }
127
128 #define CDF_UNPACK(a) \
129 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
130 #define CDF_UNPACKA(a) \
131 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
132
133 void
134 cdf_swap_header(cdf_header_t *h)
135 {
136 size_t i;
137
138 h->h_magic = CDF_TOLE8(h->h_magic);
139 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
140 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
141 h->h_revision = CDF_TOLE2(h->h_revision);
142 h->h_version = CDF_TOLE2(h->h_version);
143 h->h_byte_order = CDF_TOLE2(h->h_byte_order);
144 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
145 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
146 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
147 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
148 h->h_min_size_standard_stream =
149 CDF_TOLE4(h->h_min_size_standard_stream);
150 h->h_secid_first_sector_in_short_sat =
151 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
152 h->h_num_sectors_in_short_sat =
153 CDF_TOLE4(h->h_num_sectors_in_short_sat);
154 h->h_secid_first_sector_in_master_sat =
155 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
156 h->h_num_sectors_in_master_sat =
157 CDF_TOLE4(h->h_num_sectors_in_master_sat);
158 for (i = 0; i < __arraycount(h->h_master_sat); i++)
159 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
160 }
161
162 void
163 cdf_unpack_header(cdf_header_t *h, char *buf)
164 {
165 size_t i;
166 size_t len = 0;
167
168 CDF_UNPACK(h->h_magic);
169 CDF_UNPACKA(h->h_uuid);
170 CDF_UNPACK(h->h_revision);
171 CDF_UNPACK(h->h_version);
172 CDF_UNPACK(h->h_byte_order);
173 CDF_UNPACK(h->h_sec_size_p2);
174 CDF_UNPACK(h->h_short_sec_size_p2);
175 CDF_UNPACKA(h->h_unused0);
176 CDF_UNPACK(h->h_num_sectors_in_sat);
177 CDF_UNPACK(h->h_secid_first_directory);
178 CDF_UNPACKA(h->h_unused1);
179 CDF_UNPACK(h->h_min_size_standard_stream);
180 CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
181 CDF_UNPACK(h->h_num_sectors_in_short_sat);
182 CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
183 CDF_UNPACK(h->h_num_sectors_in_master_sat);
184 for (i = 0; i < __arraycount(h->h_master_sat); i++)
185 CDF_UNPACK(h->h_master_sat[i]);
186 }
187
188 void
189 cdf_swap_dir(cdf_directory_t *d)
190 {
191 d->d_namelen = CDF_TOLE2(d->d_namelen);
192 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
193 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
194 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
195 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
196 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
197 d->d_flags = CDF_TOLE4(d->d_flags);
198 d->d_created = CDF_TOLE8((uint64_t)d->d_created);
199 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
200 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
201 d->d_size = CDF_TOLE4(d->d_size);
202 }
203
204 void
205 cdf_swap_class(cdf_classid_t *d)
206 {
207 d->cl_dword = CDF_TOLE4(d->cl_dword);
208 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
209 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
210 }
211
212 void
213 cdf_unpack_dir(cdf_directory_t *d, char *buf)
214 {
215 size_t len = 0;
216
217 CDF_UNPACKA(d->d_name);
218 CDF_UNPACK(d->d_namelen);
219 CDF_UNPACK(d->d_type);
220 CDF_UNPACK(d->d_color);
221 CDF_UNPACK(d->d_left_child);
222 CDF_UNPACK(d->d_right_child);
223 CDF_UNPACK(d->d_storage);
224 CDF_UNPACKA(d->d_storage_uuid);
225 CDF_UNPACK(d->d_flags);
226 CDF_UNPACK(d->d_created);
227 CDF_UNPACK(d->d_modified);
228 CDF_UNPACK(d->d_stream_first_sector);
229 CDF_UNPACK(d->d_size);
230 CDF_UNPACK(d->d_unused0);
231 }
232
233 static int
234 cdf_check_stream_offset(const cdf_stream_t *sst, const void *p, size_t tail,
235 int line)
236 {
237 const char *b = (const char *)sst->sst_tab;
238 const char *e = ((const char *)p) + tail;
239 (void)&line;
240 if (e >= b && (size_t)(e - b) < sst->sst_dirlen * sst->sst_len)
241 return 0;
242 DPRINTF(("%d: offset begin %p end %p %zu >= %zu [%zu %zu]\n",
243 line, b, e, (size_t)(e - b), sst->sst_dirlen * sst->sst_len,
244 sst->sst_dirlen, sst->sst_len));
245 errno = EFTYPE;
246 return -1;
247 }
248
249 static ssize_t
250 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
251 {
252 size_t siz = (size_t)off + len;
253
254 if ((off_t)(off + len) != (off_t)siz) {
255 errno = EINVAL;
256 return -1;
257 }
258
259 if (info->i_buf != NULL && info->i_len >= siz) {
260 (void)memcpy(buf, &info->i_buf[off], len);
261 return (ssize_t)len;
262 }
263
264 if (info->i_fd == -1)
265 return -1;
266
267 if (lseek(info->i_fd, off, SEEK_SET) == (off_t)-1)
268 return -1;
269
270 if (read(info->i_fd, buf, len) != (ssize_t)len)
271 return -1;
272
273 return (ssize_t)len;
274 }
275
276 int
277 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
278 {
279 char buf[512];
280
281 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
282 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
283 return -1;
284 cdf_unpack_header(h, buf);
285 cdf_swap_header(h);
286 if (h->h_magic != CDF_MAGIC) {
287 DPRINTF(("Bad magic 0x%llx != 0x%llx\n",
288 (unsigned long long)h->h_magic,
289 (unsigned long long)CDF_MAGIC));
290 goto out;
291 }
292 if (h->h_sec_size_p2 > 20) {
293 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
294 goto out;
295 }
296 if (h->h_short_sec_size_p2 > 20) {
297 DPRINTF(("Bad short sector size 0x%u\n",
298 h->h_short_sec_size_p2));
299 goto out;
300 }
301 return 0;
302 out:
303 errno = EFTYPE;
304 return -1;
305 }
306
307
308 ssize_t
309 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
310 const cdf_header_t *h, cdf_secid_t id)
311 {
312 assert((size_t)CDF_SEC_SIZE(h) == len);
313 return cdf_read(info, (off_t)CDF_SEC_POS(h, id),
314 ((char *)buf) + offs, len);
315 }
316
317 ssize_t
318 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
319 size_t len, const cdf_header_t *h, cdf_secid_t id)
320 {
321 assert((size_t)CDF_SHORT_SEC_SIZE(h) == len);
322 (void)memcpy(((char *)buf) + offs,
323 ((const char *)sst->sst_tab) + CDF_SHORT_SEC_POS(h, id), len);
324 return len;
325 }
326
327 /*
328 * Read the sector allocation table.
329 */
330 int
331 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
332 {
333 size_t i, j, k;
334 size_t ss = CDF_SEC_SIZE(h);
335 cdf_secid_t *msa, mid, sec;
336 size_t nsatpersec = (ss / sizeof(mid)) - 1;
337
338 for (i = 0; i < __arraycount(h->h_master_sat); i++)
339 if (h->h_master_sat[i] == CDF_SECID_FREE)
340 break;
341
342 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
343 if (h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec ||
344 i > CDF_SEC_LIMIT) {
345 DPRINTF(("Number of sectors in master SAT too big %u %zu\n",
346 h->h_num_sectors_in_master_sat, i));
347 errno = EFTYPE;
348 return -1;
349 }
350
351 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
352 DPRINTF(("sat_len = %zu ss = %zu\n", sat->sat_len, ss));
353 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
354 == NULL)
355 return -1;
356
357 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
358 if (h->h_master_sat[i] < 0)
359 break;
360 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
361 h->h_master_sat[i]) != (ssize_t)ss) {
362 DPRINTF(("Reading sector %d", h->h_master_sat[i]));
363 goto out1;
364 }
365 }
366
367 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
368 goto out1;
369
370 mid = h->h_secid_first_sector_in_master_sat;
371 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
372 if (mid < 0)
373 goto out;
374 if (j >= CDF_LOOP_LIMIT) {
375 DPRINTF(("Reading master sector loop limit"));
376 errno = EFTYPE;
377 goto out2;
378 }
379 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
380 DPRINTF(("Reading master sector %d", mid));
381 goto out2;
382 }
383 for (k = 0; k < nsatpersec; k++, i++) {
384 sec = CDF_TOLE4((uint32_t)msa[k]);
385 if (sec < 0)
386 goto out;
387 if (i >= sat->sat_len) {
388 DPRINTF(("Out of bounds reading MSA %u >= %u",
389 i, sat->sat_len));
390 errno = EFTYPE;
391 goto out2;
392 }
393 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
394 sec) != (ssize_t)ss) {
395 DPRINTF(("Reading sector %d",
396 CDF_TOLE4(msa[k])));
397 goto out2;
398 }
399 }
400 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
401 }
402 out:
403 sat->sat_len = i;
404 free(msa);
405 return 0;
406 out2:
407 free(msa);
408 out1:
409 free(sat->sat_tab);
410 return -1;
411 }
412
413 size_t
414 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
415 {
416 size_t i, j;
417 cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size);
418
419 DPRINTF(("Chain:"));
420 for (j = i = 0; sid >= 0; i++, j++) {
421 DPRINTF((" %d", sid));
422 if (j >= CDF_LOOP_LIMIT) {
423 DPRINTF(("Counting chain loop limit"));
424 errno = EFTYPE;
425 return (size_t)-1;
426 }
427 if (sid > maxsector) {
428 DPRINTF(("Sector %d > %d\n", sid, maxsector));
429 errno = EFTYPE;
430 return (size_t)-1;
431 }
432 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
433 }
434 DPRINTF(("\n"));
435 return i;
436 }
437
438 int
439 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
440 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
441 {
442 size_t ss = CDF_SEC_SIZE(h), i, j;
443 ssize_t nr;
444 scn->sst_len = cdf_count_chain(sat, sid, ss);
445 scn->sst_dirlen = len;
446
447 if (scn->sst_len == (size_t)-1)
448 return -1;
449
450 scn->sst_tab = calloc(scn->sst_len, ss);
451 if (scn->sst_tab == NULL)
452 return -1;
453
454 for (j = i = 0; sid >= 0; i++, j++) {
455 if (j >= CDF_LOOP_LIMIT) {
456 DPRINTF(("Read long sector chain loop limit"));
457 errno = EFTYPE;
458 goto out;
459 }
460 if (i >= scn->sst_len) {
461 DPRINTF(("Out of bounds reading long sector chain "
462 "%u > %u\n", i, scn->sst_len));
463 errno = EFTYPE;
464 goto out;
465 }
466 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
467 sid)) != (ssize_t)ss) {
468 if (i == scn->sst_len - 1 && nr > 0) {
469 /* Last sector might be truncated */
470 return 0;
471 }
472 DPRINTF(("Reading long sector chain %d", sid));
473 goto out;
474 }
475 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
476 }
477 return 0;
478 out:
479 free(scn->sst_tab);
480 return -1;
481 }
482
483 int
484 cdf_read_short_sector_chain(const cdf_header_t *h,
485 const cdf_sat_t *ssat, const cdf_stream_t *sst,
486 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
487 {
488 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
489 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
490 scn->sst_dirlen = len;
491
492 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
493 return -1;
494
495 scn->sst_tab = calloc(scn->sst_len, ss);
496 if (scn->sst_tab == NULL)
497 return -1;
498
499 for (j = i = 0; sid >= 0; i++, j++) {
500 if (j >= CDF_LOOP_LIMIT) {
501 DPRINTF(("Read short sector chain loop limit"));
502 errno = EFTYPE;
503 goto out;
504 }
505 if (i >= scn->sst_len) {
506 DPRINTF(("Out of bounds reading short sector chain "
507 "%u > %u\n", i, scn->sst_len));
508 errno = EFTYPE;
509 goto out;
510 }
511 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
512 sid) != (ssize_t)ss) {
513 DPRINTF(("Reading short sector chain %d", sid));
514 goto out;
515 }
516 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
517 }
518 return 0;
519 out:
520 free(scn->sst_tab);
521 return -1;
522 }
523
524 int
525 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
526 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
527 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
528 {
529
530 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
531 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
532 scn);
533 else
534 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
535 }
536
537 int
538 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
539 const cdf_sat_t *sat, cdf_dir_t *dir)
540 {
541 size_t i, j;
542 size_t ss = CDF_SEC_SIZE(h), ns, nd;
543 char *buf;
544 cdf_secid_t sid = h->h_secid_first_directory;
545
546 ns = cdf_count_chain(sat, sid, ss);
547 if (ns == (size_t)-1)
548 return -1;
549
550 nd = ss / CDF_DIRECTORY_SIZE;
551
552 dir->dir_len = ns * nd;
553 dir->dir_tab = CAST(cdf_directory_t *,
554 calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
555 if (dir->dir_tab == NULL)
556 return -1;
557
558 if ((buf = CAST(char *, malloc(ss))) == NULL) {
559 free(dir->dir_tab);
560 return -1;
561 }
562
563 for (j = i = 0; i < ns; i++, j++) {
564 if (j >= CDF_LOOP_LIMIT) {
565 DPRINTF(("Read dir loop limit"));
566 errno = EFTYPE;
567 goto out;
568 }
569 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
570 DPRINTF(("Reading directory sector %d", sid));
571 goto out;
572 }
573 for (j = 0; j < nd; j++) {
574 cdf_unpack_dir(&dir->dir_tab[i * nd + j],
575 &buf[j * CDF_DIRECTORY_SIZE]);
576 }
577 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
578 }
579 if (NEED_SWAP)
580 for (i = 0; i < dir->dir_len; i++)
581 cdf_swap_dir(&dir->dir_tab[i]);
582 free(buf);
583 return 0;
584 out:
585 free(dir->dir_tab);
586 free(buf);
587 return -1;
588 }
589
590
591 int
592 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
593 const cdf_sat_t *sat, cdf_sat_t *ssat)
594 {
595 size_t i, j;
596 size_t ss = CDF_SEC_SIZE(h);
597 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
598
599 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
600 if (ssat->sat_len == (size_t)-1)
601 return -1;
602
603 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
604 if (ssat->sat_tab == NULL)
605 return -1;
606
607 for (j = i = 0; sid >= 0; i++, j++) {
608 if (j >= CDF_LOOP_LIMIT) {
609 DPRINTF(("Read short sat sector loop limit"));
610 errno = EFTYPE;
611 goto out;
612 }
613 if (i >= ssat->sat_len) {
614 DPRINTF(("Out of bounds reading short sector chain "
615 "%u > %u\n", i, ssat->sat_len));
616 errno = EFTYPE;
617 goto out;
618 }
619 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
620 (ssize_t)ss) {
621 DPRINTF(("Reading short sat sector %d", sid));
622 goto out;
623 }
624 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
625 }
626 return 0;
627 out:
628 free(ssat->sat_tab);
629 return -1;
630 }
631
632 int
633 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
634 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
635 {
636 size_t i;
637 const cdf_directory_t *d;
638
639 for (i = 0; i < dir->dir_len; i++)
640 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
641 break;
642
643 /* If the it is not there, just fake it; some docs don't have it */
644 if (i == dir->dir_len)
645 goto out;
646 d = &dir->dir_tab[i];
647
648 /* If the it is not there, just fake it; some docs don't have it */
649 if (d->d_stream_first_sector < 0)
650 goto out;
651
652 return cdf_read_long_sector_chain(info, h, sat,
653 d->d_stream_first_sector, d->d_size, scn);
654 out:
655 scn->sst_tab = NULL;
656 scn->sst_len = 0;
657 scn->sst_dirlen = 0;
658 return 0;
659 }
660
661 static int
662 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
663 {
664 for (; l--; d++, s++)
665 if (*d != CDF_TOLE2(*s))
666 return (unsigned char)*d - CDF_TOLE2(*s);
667 return 0;
668 }
669
670 int
671 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
672 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
673 const cdf_dir_t *dir, cdf_stream_t *scn)
674 {
675 size_t i;
676 const cdf_directory_t *d;
677 static const char name[] = "\05SummaryInformation";
678
679 for (i = dir->dir_len; i > 0; i--)
680 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
681 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name))
682 == 0)
683 break;
684
685 if (i == 0) {
686 DPRINTF(("Cannot find summary information section\n"));
687 errno = ESRCH;
688 return -1;
689 }
690 d = &dir->dir_tab[i - 1];
691 return cdf_read_sector_chain(info, h, sat, ssat, sst,
692 d->d_stream_first_sector, d->d_size, scn);
693 }
694
695 int
696 cdf_read_property_info(const cdf_stream_t *sst, uint32_t offs,
697 cdf_property_info_t **info, size_t *count, size_t *maxcount)
698 {
699 const cdf_section_header_t *shp;
700 cdf_section_header_t sh;
701 const uint32_t *p, *q, *e;
702 int16_t s16;
703 int32_t s32;
704 uint32_t u32;
705 int64_t s64;
706 uint64_t u64;
707 cdf_timestamp_t tp;
708 size_t i, o, nelements, j;
709 cdf_property_info_t *inp;
710
711 if (offs > UINT32_MAX / 4) {
712 errno = EFTYPE;
713 goto out;
714 }
715 shp = CAST(const cdf_section_header_t *, (const void *)
716 ((const char *)sst->sst_tab + offs));
717 if (cdf_check_stream_offset(sst, shp, sizeof(*shp), __LINE__) == -1)
718 goto out;
719 sh.sh_len = CDF_TOLE4(shp->sh_len);
720 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
721 if (sh.sh_len > CDF_SHLEN_LIMIT) {
722 errno = EFTYPE;
723 goto out;
724 }
725 sh.sh_properties = CDF_TOLE4(shp->sh_properties);
726 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
727 if (sh.sh_properties > CDF_PROP_LIMIT)
728 goto out;
729 DPRINTF(("section len: %u properties %u\n", sh.sh_len,
730 sh.sh_properties));
731 if (*maxcount) {
732 if (*maxcount > CDF_PROP_LIMIT)
733 goto out;
734 *maxcount += sh.sh_properties;
735 inp = CAST(cdf_property_info_t *,
736 realloc(*info, *maxcount * sizeof(*inp)));
737 } else {
738 *maxcount = sh.sh_properties;
739 inp = CAST(cdf_property_info_t *,
740 malloc(*maxcount * sizeof(*inp)));
741 }
742 if (inp == NULL)
743 goto out;
744 *info = inp;
745 inp += *count;
746 *count += sh.sh_properties;
747 p = CAST(const uint32_t *, (const void *)
748 ((const char *)(const void *)sst->sst_tab +
749 offs + sizeof(sh)));
750 e = CAST(const uint32_t *, (const void *)
751 (((const char *)(const void *)shp) + sh.sh_len));
752 if (cdf_check_stream_offset(sst, e, 0, __LINE__) == -1)
753 goto out;
754 for (i = 0; i < sh.sh_properties; i++) {
755 q = (const uint32_t *)(const void *)
756 ((const char *)(const void *)p +
757 CDF_TOLE4(p[(i << 1) + 1])) - 2;
758 if (q > e) {
759 DPRINTF(("Ran of the end %p > %p\n", q, e));
760 goto out;
761 }
762 inp[i].pi_id = CDF_TOLE4(p[i << 1]);
763 inp[i].pi_type = CDF_TOLE4(q[0]);
764 DPRINTF(("%d) id=%x type=%x offs=%x\n", i, inp[i].pi_id,
765 inp[i].pi_type, (const char *)q - (const char *)p));
766 if (inp[i].pi_type & CDF_VECTOR) {
767 nelements = CDF_TOLE4(q[1]);
768 o = 2;
769 } else {
770 nelements = 1;
771 o = 1;
772 }
773 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
774 goto unknown;
775 switch (inp[i].pi_type & CDF_TYPEMASK) {
776 case CDF_NULL:
777 case CDF_EMPTY:
778 break;
779 case CDF_SIGNED16:
780 if (inp[i].pi_type & CDF_VECTOR)
781 goto unknown;
782 (void)memcpy(&s16, &q[o], sizeof(s16));
783 inp[i].pi_s16 = CDF_TOLE2(s16);
784 break;
785 case CDF_SIGNED32:
786 if (inp[i].pi_type & CDF_VECTOR)
787 goto unknown;
788 (void)memcpy(&s32, &q[o], sizeof(s32));
789 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
790 break;
791 case CDF_BOOL:
792 case CDF_UNSIGNED32:
793 if (inp[i].pi_type & CDF_VECTOR)
794 goto unknown;
795 (void)memcpy(&u32, &q[o], sizeof(u32));
796 inp[i].pi_u32 = CDF_TOLE4(u32);
797 break;
798 case CDF_SIGNED64:
799 if (inp[i].pi_type & CDF_VECTOR)
800 goto unknown;
801 (void)memcpy(&s64, &q[o], sizeof(s64));
802 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
803 break;
804 case CDF_UNSIGNED64:
805 if (inp[i].pi_type & CDF_VECTOR)
806 goto unknown;
807 (void)memcpy(&u64, &q[o], sizeof(u64));
808 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
809 break;
810 case CDF_LENGTH32_STRING:
811 case CDF_LENGTH32_WSTRING:
812 if (nelements > 1) {
813 size_t nelem = inp - *info;
814 if (*maxcount > CDF_PROP_LIMIT
815 || nelements > CDF_PROP_LIMIT)
816 goto out;
817 *maxcount += nelements;
818 inp = CAST(cdf_property_info_t *,
819 realloc(*info, *maxcount * sizeof(*inp)));
820 if (inp == NULL)
821 goto out;
822 *info = inp;
823 inp = *info + nelem;
824 }
825 DPRINTF(("nelements = %d\n", nelements));
826 for (j = 0; j < nelements; j++, i++) {
827 uint32_t l = CDF_TOLE4(q[o]);
828 inp[i].pi_str.s_len = l;
829 inp[i].pi_str.s_buf =
830 (const char *)(const void *)(&q[o+1]);
831 DPRINTF(("l = %d, r = %d, s = %s\n", l,
832 CDF_ROUND(l, sizeof(l)),
833 inp[i].pi_str.s_buf));
834 l = 4 + (uint32_t)CDF_ROUND(l, sizeof(l));
835 o += l >> 2;
836 }
837 i--;
838 break;
839 case CDF_FILETIME:
840 if (inp[i].pi_type & CDF_VECTOR)
841 goto unknown;
842 (void)memcpy(&tp, &q[o], sizeof(tp));
843 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
844 break;
845 case CDF_CLIPBOARD:
846 if (inp[i].pi_type & CDF_VECTOR)
847 goto unknown;
848 break;
849 default:
850 unknown:
851 DPRINTF(("Don't know how to deal with %x\n",
852 inp[i].pi_type));
853 goto out;
854 }
855 }
856 return 0;
857 out:
858 free(*info);
859 return -1;
860 }
861
862 int
863 cdf_unpack_summary_info(const cdf_stream_t *sst, cdf_summary_info_header_t *ssi,
864 cdf_property_info_t **info, size_t *count)
865 {
866 size_t i, maxcount;
867 const cdf_summary_info_header_t *si =
868 CAST(const cdf_summary_info_header_t *, sst->sst_tab);
869 const cdf_section_declaration_t *sd =
870 CAST(const cdf_section_declaration_t *, (const void *)
871 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
872
873 if (cdf_check_stream_offset(sst, si, sizeof(*si), __LINE__) == -1 ||
874 cdf_check_stream_offset(sst, sd, sizeof(*sd), __LINE__) == -1)
875 return -1;
876 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
877 ssi->si_os_version = CDF_TOLE2(si->si_os_version);
878 ssi->si_os = CDF_TOLE2(si->si_os);
879 ssi->si_class = si->si_class;
880 cdf_swap_class(&ssi->si_class);
881 ssi->si_count = CDF_TOLE2(si->si_count);
882 *count = 0;
883 maxcount = 0;
884 *info = NULL;
885 for (i = 0; i < CDF_TOLE4(si->si_count); i++) {
886 if (i >= CDF_LOOP_LIMIT) {
887 DPRINTF(("Unpack summary info loop limit"));
888 errno = EFTYPE;
889 return -1;
890 }
891 if (cdf_read_property_info(sst, CDF_TOLE4(sd->sd_offset),
892 info, count, &maxcount) == -1)
893 return -1;
894 }
895 return 0;
896 }
897
898
899
900 int
901 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
902 {
903 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
904 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
905 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
906 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
907 id->cl_six[5]);
908 }
909
910 static const struct {
911 uint32_t v;
912 const char *n;
913 } vn[] = {
914 { CDF_PROPERTY_CODE_PAGE, "Code page" },
915 { CDF_PROPERTY_TITLE, "Title" },
916 { CDF_PROPERTY_SUBJECT, "Subject" },
917 { CDF_PROPERTY_AUTHOR, "Author" },
918 { CDF_PROPERTY_KEYWORDS, "Keywords" },
919 { CDF_PROPERTY_COMMENTS, "Comments" },
920 { CDF_PROPERTY_TEMPLATE, "Template" },
921 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
922 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
923 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
924 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
925 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
926 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
927 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
928 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
929 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
930 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
931 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
932 { CDF_PROPERTY_SECURITY, "Security" },
933 { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
934 };
935
936 int
937 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
938 {
939 size_t i;
940
941 for (i = 0; i < __arraycount(vn); i++)
942 if (vn[i].v == p)
943 return snprintf(buf, bufsiz, "%s", vn[i].n);
944 return snprintf(buf, bufsiz, "0x%x", p);
945 }
946
947 int
948 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
949 {
950 int len = 0;
951 int days, hours, mins, secs;
952
953 ts /= CDF_TIME_PREC;
954 secs = (int)(ts % 60);
955 ts /= 60;
956 mins = (int)(ts % 60);
957 ts /= 60;
958 hours = (int)(ts % 24);
959 ts /= 24;
960 days = (int)ts;
961
962 if (days) {
963 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
964 if ((size_t)len >= bufsiz)
965 return len;
966 }
967
968 if (days || hours) {
969 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
970 if ((size_t)len >= bufsiz)
971 return len;
972 }
973
974 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
975 if ((size_t)len >= bufsiz)
976 return len;
977
978 len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
979 return len;
980 }
981
982
983 #ifdef CDF_DEBUG
984 void
985 cdf_dump_header(const cdf_header_t *h)
986 {
987 size_t i;
988
989 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
990 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
991 h->h_ ## b, 1 << h->h_ ## b)
992 DUMP("%d", revision);
993 DUMP("%d", version);
994 DUMP("0x%x", byte_order);
995 DUMP2("%d", sec_size_p2);
996 DUMP2("%d", short_sec_size_p2);
997 DUMP("%d", num_sectors_in_sat);
998 DUMP("%d", secid_first_directory);
999 DUMP("%d", min_size_standard_stream);
1000 DUMP("%d", secid_first_sector_in_short_sat);
1001 DUMP("%d", num_sectors_in_short_sat);
1002 DUMP("%d", secid_first_sector_in_master_sat);
1003 DUMP("%d", num_sectors_in_master_sat);
1004 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1005 if (h->h_master_sat[i] == CDF_SECID_FREE)
1006 break;
1007 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n",
1008 "master_sat", i, h->h_master_sat[i]);
1009 }
1010 }
1011
1012 void
1013 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1014 {
1015 size_t i, j, s = size / sizeof(cdf_secid_t);
1016
1017 for (i = 0; i < sat->sat_len; i++) {
1018 (void)fprintf(stderr, "%s[%zu]:\n%.6d: ", prefix, i, i * s);
1019 for (j = 0; j < s; j++) {
1020 (void)fprintf(stderr, "%5d, ",
1021 CDF_TOLE4(sat->sat_tab[s * i + j]));
1022 if ((j + 1) % 10 == 0)
1023 (void)fprintf(stderr, "\n%.6d: ",
1024 i * s + j + 1);
1025 }
1026 (void)fprintf(stderr, "\n");
1027 }
1028 }
1029
1030 void
1031 cdf_dump(void *v, size_t len)
1032 {
1033 size_t i, j;
1034 unsigned char *p = v;
1035 char abuf[16];
1036 (void)fprintf(stderr, "%.4x: ", 0);
1037 for (i = 0, j = 0; i < len; i++, p++) {
1038 (void)fprintf(stderr, "%.2x ", *p);
1039 abuf[j++] = isprint(*p) ? *p : '.';
1040 if (j == 16) {
1041 j = 0;
1042 abuf[15] = '\0';
1043 (void)fprintf(stderr, "%s\n%.4x: ", abuf, i + 1);
1044 }
1045 }
1046 (void)fprintf(stderr, "\n");
1047 }
1048
1049 void
1050 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1051 {
1052 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1053 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1054 cdf_dump(sst->sst_tab, ss * sst->sst_len);
1055 }
1056
1057 void
1058 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1059 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1060 const cdf_dir_t *dir)
1061 {
1062 size_t i, j;
1063 cdf_directory_t *d;
1064 char name[__arraycount(d->d_name)];
1065 cdf_stream_t scn;
1066 struct timespec ts;
1067
1068 static const char *types[] = { "empty", "user storage",
1069 "user stream", "lockbytes", "property", "root storage" };
1070
1071 for (i = 0; i < dir->dir_len; i++) {
1072 d = &dir->dir_tab[i];
1073 for (j = 0; j < sizeof(name); j++)
1074 name[j] = (char)CDF_TOLE2(d->d_name[j]);
1075 (void)fprintf(stderr, "Directory %zu: %s\n", i, name);
1076 if (d->d_type < __arraycount(types))
1077 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1078 else
1079 (void)fprintf(stderr, "Type: %d\n", d->d_type);
1080 (void)fprintf(stderr, "Color: %s\n",
1081 d->d_color ? "black" : "red");
1082 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1083 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1084 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1085 cdf_timestamp_to_timespec(&ts, d->d_created);
1086 (void)fprintf(stderr, "Created %s", ctime(&ts.tv_sec));
1087 cdf_timestamp_to_timespec(&ts, d->d_modified);
1088 (void)fprintf(stderr, "Modified %s", ctime(&ts.tv_sec));
1089 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1090 (void)fprintf(stderr, "Size %d\n", d->d_size);
1091 switch (d->d_type) {
1092 case CDF_DIR_TYPE_USER_STORAGE:
1093 (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1094 break;
1095 case CDF_DIR_TYPE_USER_STREAM:
1096 if (sst == NULL)
1097 break;
1098 if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1099 d->d_stream_first_sector, d->d_size, &scn) == -1) {
1100 warn("Can't read stream for %s at %d len %d",
1101 name, d->d_stream_first_sector, d->d_size);
1102 break;
1103 }
1104 cdf_dump_stream(h, &scn);
1105 free(scn.sst_tab);
1106 break;
1107 default:
1108 break;
1109 }
1110
1111 }
1112 }
1113
1114 void
1115 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1116 {
1117 cdf_timestamp_t tp;
1118 struct timespec ts;
1119 char buf[64];
1120 size_t i, j;
1121
1122 for (i = 0; i < count; i++) {
1123 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1124 (void)fprintf(stderr, "%zu) %s: ", i, buf);
1125 switch (info[i].pi_type) {
1126 case CDF_NULL:
1127 break;
1128 case CDF_SIGNED16:
1129 (void)fprintf(stderr, "signed 16 [%hd]\n",
1130 info[i].pi_s16);
1131 break;
1132 case CDF_SIGNED32:
1133 (void)fprintf(stderr, "signed 32 [%d]\n",
1134 info[i].pi_s32);
1135 break;
1136 case CDF_UNSIGNED32:
1137 (void)fprintf(stderr, "unsigned 32 [%u]\n",
1138 info[i].pi_u32);
1139 break;
1140 case CDF_LENGTH32_STRING:
1141 (void)fprintf(stderr, "string %u [%.*s]\n",
1142 info[i].pi_str.s_len,
1143 info[i].pi_str.s_len, info[i].pi_str.s_buf);
1144 break;
1145 case CDF_LENGTH32_WSTRING:
1146 (void)fprintf(stderr, "string %u [",
1147 info[i].pi_str.s_len);
1148 for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1149 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1150 (void)fprintf(stderr, "]\n");
1151 break;
1152 case CDF_FILETIME:
1153 tp = info[i].pi_tp;
1154 if (tp < 1000000000000000LL) {
1155 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1156 (void)fprintf(stderr, "timestamp %s\n", buf);
1157 } else {
1158 cdf_timestamp_to_timespec(&ts, tp);
1159 (void)fprintf(stderr, "timestamp %s",
1160 ctime(&ts.tv_sec));
1161 }
1162 break;
1163 case CDF_CLIPBOARD:
1164 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1165 break;
1166 default:
1167 DPRINTF(("Don't know how to deal with %x\n",
1168 info[i].pi_type));
1169 break;
1170 }
1171 }
1172 }
1173
1174
1175 void
1176 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1177 {
1178 char buf[128];
1179 cdf_summary_info_header_t ssi;
1180 cdf_property_info_t *info;
1181 size_t count;
1182
1183 (void)&h;
1184 if (cdf_unpack_summary_info(sst, &ssi, &info, &count) == -1)
1185 return;
1186 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1187 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1188 ssi.si_os_version >> 8);
1189 (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1190 cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1191 (void)fprintf(stderr, "Class %s\n", buf);
1192 (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1193 cdf_dump_property_info(info, count);
1194 free(info);
1195 }
1196
1197 #endif
1198
1199 #ifdef TEST
1200 int
1201 main(int argc, char *argv[])
1202 {
1203 int i;
1204 cdf_header_t h;
1205 cdf_sat_t sat, ssat;
1206 cdf_stream_t sst, scn;
1207 cdf_dir_t dir;
1208 cdf_info_t info;
1209
1210 if (argc < 2) {
1211 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1212 return -1;
1213 }
1214
1215 info.i_buf = NULL;
1216 info.i_len = 0;
1217 for (i = 1; i < argc; i++) {
1218 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1219 err(1, "Cannot open `%s'", argv[1]);
1220
1221 if (cdf_read_header(&info, &h) == -1)
1222 err(1, "Cannot read header");
1223 #ifdef CDF_DEBUG
1224 cdf_dump_header(&h);
1225 #endif
1226
1227 if (cdf_read_sat(&info, &h, &sat) == -1)
1228 err(1, "Cannot read sat");
1229 #ifdef CDF_DEBUG
1230 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1231 #endif
1232
1233 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1234 err(1, "Cannot read ssat");
1235 #ifdef CDF_DEBUG
1236 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1237 #endif
1238
1239 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1240 err(1, "Cannot read dir");
1241
1242 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
1243 err(1, "Cannot read short stream");
1244 #ifdef CDF_DEBUG
1245 cdf_dump_stream(&h, &sst);
1246 #endif
1247
1248 #ifdef CDF_DEBUG
1249 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1250 #endif
1251
1252
1253 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1254 &scn) == -1)
1255 err(1, "Cannot read summary info");
1256 #ifdef CDF_DEBUG
1257 cdf_dump_summary_info(&h, &scn);
1258 #endif
1259
1260 (void)close(info.i_fd);
1261 }
1262
1263 return 0;
1264 }
1265 #endif
DragonFly BSD