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ldconfig(8): clean up manual page
[dragonfly.git] / contrib / file / src / cdf.c
blobaccfb325b999ce058554ba788c3821621f5a9b9c
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 * N.B. This is the "Composite Document File" format, and not the
32 * "Compound Document Format", nor the "Channel Definition Format".
33 */
34
35 #include "file.h"
36
37 #ifndef lint
38 FILE_RCSID("@(#)$File: cdf.c,v 1.106 2017/04/30 17:05:02 christos Exp $")
39 #endif
40
41 #include <assert.h>
42 #ifdef CDF_DEBUG
43 #include <err.h>
44 #endif
45 #include <stdlib.h>
46 #include <unistd.h>
47 #include <string.h>
48 #include <time.h>
49 #include <ctype.h>
50 #ifdef HAVE_LIMITS_H
51 #include <limits.h>
52 #endif
53
54 #ifndef EFTYPE
55 #define EFTYPE EINVAL
56 #endif
57
58 #include "cdf.h"
59
60 #ifdef CDF_DEBUG
61 #define DPRINTF(a) printf a, fflush(stdout)
62 #else
63 #define DPRINTF(a)
64 #endif
65
66 static union {
67 char s[4];
68 uint32_t u;
69 } cdf_bo;
70
71 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304)
72
73 #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? _cdf_tole8(x) : (uint64_t)(x)))
74 #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? _cdf_tole4(x) : (uint32_t)(x)))
75 #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (uint16_t)(x)))
76 #define CDF_TOLE(x) (/*CONSTCOND*/sizeof(x) == 2 ? \
77 CDF_TOLE2(CAST(uint16_t, x)) : \
78 (/*CONSTCOND*/sizeof(x) == 4 ? \
79 CDF_TOLE4(CAST(uint32_t, x)) : \
80 CDF_TOLE8(CAST(uint64_t, x))))
81 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y)
82
83 #define CDF_MALLOC(n) cdf_malloc(__FILE__, __LINE__, (n))
84 #define CDF_REALLOC(p, n) cdf_realloc(__FILE__, __LINE__, (p), (n))
85 #define CDF_CALLOC(n, u) cdf_calloc(__FILE__, __LINE__, (n), (u))
86
87
88 static void *
89 cdf_malloc(const char *file __attribute__((__unused__)),
90 size_t line __attribute__((__unused__)), size_t n)
91 {
92 DPRINTF(("%s,%zu: %s %zu\n", file, line, __func__, n));
93 return malloc(n);
94 }
95
96 static void *
97 cdf_realloc(const char *file __attribute__((__unused__)),
98 size_t line __attribute__((__unused__)), void *p, size_t n)
99 {
100 DPRINTF(("%s,%zu: %s %zu\n", file, line, __func__, n));
101 return realloc(p, n);
102 }
103
104 static void *
105 cdf_calloc(const char *file __attribute__((__unused__)),
106 size_t line __attribute__((__unused__)), size_t n, size_t u)
107 {
108 DPRINTF(("%s,%zu: %s %zu %zu\n", file, line, __func__, n, u));
109 return calloc(n, u);
110 }
111
112 /*
113 * swap a short
114 */
115 static uint16_t
116 _cdf_tole2(uint16_t sv)
117 {
118 uint16_t rv;
119 uint8_t *s = (uint8_t *)(void *)&sv;
120 uint8_t *d = (uint8_t *)(void *)&rv;
121 d[0] = s[1];
122 d[1] = s[0];
123 return rv;
124 }
125
126 /*
127 * swap an int
128 */
129 static uint32_t
130 _cdf_tole4(uint32_t sv)
131 {
132 uint32_t rv;
133 uint8_t *s = (uint8_t *)(void *)&sv;
134 uint8_t *d = (uint8_t *)(void *)&rv;
135 d[0] = s[3];
136 d[1] = s[2];
137 d[2] = s[1];
138 d[3] = s[0];
139 return rv;
140 }
141
142 /*
143 * swap a quad
144 */
145 static uint64_t
146 _cdf_tole8(uint64_t sv)
147 {
148 uint64_t rv;
149 uint8_t *s = (uint8_t *)(void *)&sv;
150 uint8_t *d = (uint8_t *)(void *)&rv;
151 d[0] = s[7];
152 d[1] = s[6];
153 d[2] = s[5];
154 d[3] = s[4];
155 d[4] = s[3];
156 d[5] = s[2];
157 d[6] = s[1];
158 d[7] = s[0];
159 return rv;
160 }
161
162 /*
163 * grab a uint32_t from a possibly unaligned address, and return it in
164 * the native host order.
165 */
166 static uint32_t
167 cdf_getuint32(const uint8_t *p, size_t offs)
168 {
169 uint32_t rv;
170 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
171 return CDF_TOLE4(rv);
172 }
173
174 #define CDF_UNPACK(a) \
175 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
176 #define CDF_UNPACKA(a) \
177 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
178
179 uint16_t
180 cdf_tole2(uint16_t sv)
181 {
182 return CDF_TOLE2(sv);
183 }
184
185 uint32_t
186 cdf_tole4(uint32_t sv)
187 {
188 return CDF_TOLE4(sv);
189 }
190
191 uint64_t
192 cdf_tole8(uint64_t sv)
193 {
194 return CDF_TOLE8(sv);
195 }
196
197 void
198 cdf_swap_header(cdf_header_t *h)
199 {
200 size_t i;
201
202 h->h_magic = CDF_TOLE8(h->h_magic);
203 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
204 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
205 h->h_revision = CDF_TOLE2(h->h_revision);
206 h->h_version = CDF_TOLE2(h->h_version);
207 h->h_byte_order = CDF_TOLE2(h->h_byte_order);
208 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
209 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
210 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
211 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
212 h->h_min_size_standard_stream =
213 CDF_TOLE4(h->h_min_size_standard_stream);
214 h->h_secid_first_sector_in_short_sat =
215 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
216 h->h_num_sectors_in_short_sat =
217 CDF_TOLE4(h->h_num_sectors_in_short_sat);
218 h->h_secid_first_sector_in_master_sat =
219 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
220 h->h_num_sectors_in_master_sat =
221 CDF_TOLE4(h->h_num_sectors_in_master_sat);
222 for (i = 0; i < __arraycount(h->h_master_sat); i++)
223 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
224 }
225
226 void
227 cdf_unpack_header(cdf_header_t *h, char *buf)
228 {
229 size_t i;
230 size_t len = 0;
231
232 CDF_UNPACK(h->h_magic);
233 CDF_UNPACKA(h->h_uuid);
234 CDF_UNPACK(h->h_revision);
235 CDF_UNPACK(h->h_version);
236 CDF_UNPACK(h->h_byte_order);
237 CDF_UNPACK(h->h_sec_size_p2);
238 CDF_UNPACK(h->h_short_sec_size_p2);
239 CDF_UNPACKA(h->h_unused0);
240 CDF_UNPACK(h->h_num_sectors_in_sat);
241 CDF_UNPACK(h->h_secid_first_directory);
242 CDF_UNPACKA(h->h_unused1);
243 CDF_UNPACK(h->h_min_size_standard_stream);
244 CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
245 CDF_UNPACK(h->h_num_sectors_in_short_sat);
246 CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
247 CDF_UNPACK(h->h_num_sectors_in_master_sat);
248 for (i = 0; i < __arraycount(h->h_master_sat); i++)
249 CDF_UNPACK(h->h_master_sat[i]);
250 }
251
252 void
253 cdf_swap_dir(cdf_directory_t *d)
254 {
255 d->d_namelen = CDF_TOLE2(d->d_namelen);
256 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
257 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
258 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
259 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
260 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
261 d->d_flags = CDF_TOLE4(d->d_flags);
262 d->d_created = CDF_TOLE8((uint64_t)d->d_created);
263 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
264 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
265 d->d_size = CDF_TOLE4(d->d_size);
266 }
267
268 void
269 cdf_swap_class(cdf_classid_t *d)
270 {
271 d->cl_dword = CDF_TOLE4(d->cl_dword);
272 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
273 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
274 }
275
276 void
277 cdf_unpack_dir(cdf_directory_t *d, char *buf)
278 {
279 size_t len = 0;
280
281 CDF_UNPACKA(d->d_name);
282 CDF_UNPACK(d->d_namelen);
283 CDF_UNPACK(d->d_type);
284 CDF_UNPACK(d->d_color);
285 CDF_UNPACK(d->d_left_child);
286 CDF_UNPACK(d->d_right_child);
287 CDF_UNPACK(d->d_storage);
288 CDF_UNPACKA(d->d_storage_uuid);
289 CDF_UNPACK(d->d_flags);
290 CDF_UNPACK(d->d_created);
291 CDF_UNPACK(d->d_modified);
292 CDF_UNPACK(d->d_stream_first_sector);
293 CDF_UNPACK(d->d_size);
294 CDF_UNPACK(d->d_unused0);
295 }
296
297 int
298 cdf_zero_stream(cdf_stream_t *scn)
299 {
300 scn->sst_len = 0;
301 scn->sst_dirlen = 0;
302 scn->sst_ss = 0;
303 free(scn->sst_tab);
304 scn->sst_tab = NULL;
305 return -1;
306 }
307
308 static size_t
309 cdf_check_stream(const cdf_stream_t *sst, const cdf_header_t *h)
310 {
311 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
312 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
313 assert(ss == sst->sst_ss);
314 return sst->sst_ss;
315 }
316
317 static int
318 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
319 const void *p, size_t tail, int line)
320 {
321 const char *b = (const char *)sst->sst_tab;
322 const char *e = ((const char *)p) + tail;
323 size_t ss = cdf_check_stream(sst, h);
324 /*LINTED*/(void)&line;
325 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
326 return 0;
327 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
328 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
329 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
330 ss * sst->sst_len, ss, sst->sst_len));
331 errno = EFTYPE;
332 return -1;
333 }
334
335 static ssize_t
336 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
337 {
338 size_t siz = (size_t)off + len;
339
340 if ((off_t)(off + len) != (off_t)siz)
341 goto out;
342
343 if (info->i_buf != NULL && info->i_len >= siz) {
344 (void)memcpy(buf, &info->i_buf[off], len);
345 return (ssize_t)len;
346 }
347
348 if (info->i_fd == -1)
349 goto out;
350
351 if (pread(info->i_fd, buf, len, off) != (ssize_t)len)
352 return -1;
353
354 return (ssize_t)len;
355 out:
356 errno = EINVAL;
357 return -1;
358 }
359
360 int
361 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
362 {
363 char buf[512];
364
365 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
366 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
367 return -1;
368 cdf_unpack_header(h, buf);
369 cdf_swap_header(h);
370 if (h->h_magic != CDF_MAGIC) {
371 DPRINTF(("Bad magic %#" INT64_T_FORMAT "x != %#"
372 INT64_T_FORMAT "x\n",
373 (unsigned long long)h->h_magic,
374 (unsigned long long)CDF_MAGIC));
375 goto out;
376 }
377 if (h->h_sec_size_p2 > 20) {
378 DPRINTF(("Bad sector size %hu\n", h->h_sec_size_p2));
379 goto out;
380 }
381 if (h->h_short_sec_size_p2 > 20) {
382 DPRINTF(("Bad short sector size %hu\n",
383 h->h_short_sec_size_p2));
384 goto out;
385 }
386 return 0;
387 out:
388 errno = EFTYPE;
389 return -1;
390 }
391
392
393 ssize_t
394 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
395 const cdf_header_t *h, cdf_secid_t id)
396 {
397 size_t ss = CDF_SEC_SIZE(h);
398 size_t pos = CDF_SEC_POS(h, id);
399 assert(ss == len);
400 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
401 }
402
403 ssize_t
404 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
405 size_t len, const cdf_header_t *h, cdf_secid_t id)
406 {
407 size_t ss = CDF_SHORT_SEC_SIZE(h);
408 size_t pos = CDF_SHORT_SEC_POS(h, id);
409 assert(ss == len);
410 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
411 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
412 SIZE_T_FORMAT "u\n",
413 pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
414 goto out;
415 }
416 (void)memcpy(((char *)buf) + offs,
417 ((const char *)sst->sst_tab) + pos, len);
418 return len;
419 out:
420 errno = EFTYPE;
421 return -1;
422 }
423
424 /*
425 * Read the sector allocation table.
426 */
427 int
428 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
429 {
430 size_t i, j, k;
431 size_t ss = CDF_SEC_SIZE(h);
432 cdf_secid_t *msa, mid, sec;
433 size_t nsatpersec = (ss / sizeof(mid)) - 1;
434
435 for (i = 0; i < __arraycount(h->h_master_sat); i++)
436 if (h->h_master_sat[i] == CDF_SECID_FREE)
437 break;
438
439 #define CDF_SEC_LIMIT (UINT32_MAX / (8 * ss))
440 if ((nsatpersec > 0 &&
441 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
442 i > CDF_SEC_LIMIT) {
443 DPRINTF(("Number of sectors in master SAT too big %u %"
444 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
445 errno = EFTYPE;
446 return -1;
447 }
448
449 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
450 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
451 sat->sat_len, ss));
452 if ((sat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(sat->sat_len, ss)))
453 == NULL)
454 return -1;
455
456 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
457 if (h->h_master_sat[i] < 0)
458 break;
459 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
460 h->h_master_sat[i]) != (ssize_t)ss) {
461 DPRINTF(("Reading sector %d", h->h_master_sat[i]));
462 goto out1;
463 }
464 }
465
466 if ((msa = CAST(cdf_secid_t *, CDF_CALLOC(1, ss))) == NULL)
467 goto out1;
468
469 mid = h->h_secid_first_sector_in_master_sat;
470 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
471 if (mid < 0)
472 goto out;
473 if (j >= CDF_LOOP_LIMIT) {
474 DPRINTF(("Reading master sector loop limit"));
475 goto out3;
476 }
477 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
478 DPRINTF(("Reading master sector %d", mid));
479 goto out2;
480 }
481 for (k = 0; k < nsatpersec; k++, i++) {
482 sec = CDF_TOLE4((uint32_t)msa[k]);
483 if (sec < 0)
484 goto out;
485 if (i >= sat->sat_len) {
486 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
487 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
488 goto out3;
489 }
490 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
491 sec) != (ssize_t)ss) {
492 DPRINTF(("Reading sector %d",
493 CDF_TOLE4(msa[k])));
494 goto out2;
495 }
496 }
497 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
498 }
499 out:
500 sat->sat_len = i;
501 free(msa);
502 return 0;
503 out3:
504 errno = EFTYPE;
505 out2:
506 free(msa);
507 out1:
508 free(sat->sat_tab);
509 return -1;
510 }
511
512 size_t
513 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
514 {
515 size_t i, j;
516 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
517 / sizeof(maxsector));
518
519 DPRINTF(("Chain:"));
520 if (sid == CDF_SECID_END_OF_CHAIN) {
521 /* 0-length chain. */
522 DPRINTF((" empty\n"));
523 return 0;
524 }
525
526 for (j = i = 0; sid >= 0; i++, j++) {
527 DPRINTF((" %d", sid));
528 if (j >= CDF_LOOP_LIMIT) {
529 DPRINTF(("Counting chain loop limit"));
530 goto out;
531 }
532 if (sid >= maxsector) {
533 DPRINTF(("Sector %d >= %d\n", sid, maxsector));
534 goto out;
535 }
536 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
537 }
538 if (i == 0) {
539 DPRINTF((" none, sid: %d\n", sid));
540 goto out;
541
542 }
543 DPRINTF(("\n"));
544 return i;
545 out:
546 errno = EFTYPE;
547 return (size_t)-1;
548 }
549
550 int
551 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
552 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
553 {
554 size_t ss = CDF_SEC_SIZE(h), i, j;
555 ssize_t nr;
556 scn->sst_tab = NULL;
557 scn->sst_len = cdf_count_chain(sat, sid, ss);
558 scn->sst_dirlen = MAX(h->h_min_size_standard_stream, len);
559 scn->sst_ss = ss;
560
561 if (sid == CDF_SECID_END_OF_CHAIN || len == 0)
562 return cdf_zero_stream(scn);
563
564 if (scn->sst_len == (size_t)-1)
565 goto out;
566
567 scn->sst_tab = CDF_CALLOC(scn->sst_len, ss);
568 if (scn->sst_tab == NULL)
569 return cdf_zero_stream(scn);
570
571 for (j = i = 0; sid >= 0; i++, j++) {
572 if (j >= CDF_LOOP_LIMIT) {
573 DPRINTF(("Read long sector chain loop limit"));
574 goto out;
575 }
576 if (i >= scn->sst_len) {
577 DPRINTF(("Out of bounds reading long sector chain "
578 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
579 scn->sst_len));
580 goto out;
581 }
582 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
583 sid)) != (ssize_t)ss) {
584 if (i == scn->sst_len - 1 && nr > 0) {
585 /* Last sector might be truncated */
586 return 0;
587 }
588 DPRINTF(("Reading long sector chain %d", sid));
589 goto out;
590 }
591 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
592 }
593 return 0;
594 out:
595 errno = EFTYPE;
596 return cdf_zero_stream(scn);
597 }
598
599 int
600 cdf_read_short_sector_chain(const cdf_header_t *h,
601 const cdf_sat_t *ssat, const cdf_stream_t *sst,
602 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
603 {
604 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
605 scn->sst_tab = NULL;
606 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
607 scn->sst_dirlen = len;
608 scn->sst_ss = ss;
609
610 if (scn->sst_len == (size_t)-1)
611 goto out;
612
613 scn->sst_tab = CDF_CALLOC(scn->sst_len, ss);
614 if (scn->sst_tab == NULL)
615 return cdf_zero_stream(scn);
616
617 for (j = i = 0; sid >= 0; i++, j++) {
618 if (j >= CDF_LOOP_LIMIT) {
619 DPRINTF(("Read short sector chain loop limit"));
620 goto out;
621 }
622 if (i >= scn->sst_len) {
623 DPRINTF(("Out of bounds reading short sector chain "
624 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
625 i, scn->sst_len));
626 goto out;
627 }
628 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
629 sid) != (ssize_t)ss) {
630 DPRINTF(("Reading short sector chain %d", sid));
631 goto out;
632 }
633 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
634 }
635 return 0;
636 out:
637 errno = EFTYPE;
638 return cdf_zero_stream(scn);
639 }
640
641 int
642 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
643 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
644 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
645 {
646
647 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
648 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
649 scn);
650 else
651 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
652 }
653
654 int
655 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
656 const cdf_sat_t *sat, cdf_dir_t *dir)
657 {
658 size_t i, j;
659 size_t ss = CDF_SEC_SIZE(h), ns, nd;
660 char *buf;
661 cdf_secid_t sid = h->h_secid_first_directory;
662
663 ns = cdf_count_chain(sat, sid, ss);
664 if (ns == (size_t)-1)
665 return -1;
666
667 nd = ss / CDF_DIRECTORY_SIZE;
668
669 dir->dir_len = ns * nd;
670 dir->dir_tab = CAST(cdf_directory_t *,
671 CDF_CALLOC(dir->dir_len, sizeof(dir->dir_tab[0])));
672 if (dir->dir_tab == NULL)
673 return -1;
674
675 if ((buf = CAST(char *, CDF_MALLOC(ss))) == NULL) {
676 free(dir->dir_tab);
677 return -1;
678 }
679
680 for (j = i = 0; i < ns; i++, j++) {
681 if (j >= CDF_LOOP_LIMIT) {
682 DPRINTF(("Read dir loop limit"));
683 goto out;
684 }
685 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
686 DPRINTF(("Reading directory sector %d", sid));
687 goto out;
688 }
689 for (j = 0; j < nd; j++) {
690 cdf_unpack_dir(&dir->dir_tab[i * nd + j],
691 &buf[j * CDF_DIRECTORY_SIZE]);
692 }
693 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
694 }
695 if (NEED_SWAP)
696 for (i = 0; i < dir->dir_len; i++)
697 cdf_swap_dir(&dir->dir_tab[i]);
698 free(buf);
699 return 0;
700 out:
701 free(dir->dir_tab);
702 free(buf);
703 errno = EFTYPE;
704 return -1;
705 }
706
707
708 int
709 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
710 const cdf_sat_t *sat, cdf_sat_t *ssat)
711 {
712 size_t i, j;
713 size_t ss = CDF_SEC_SIZE(h);
714 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
715
716 ssat->sat_tab = NULL;
717 ssat->sat_len = cdf_count_chain(sat, sid, ss);
718 if (ssat->sat_len == (size_t)-1)
719 goto out;
720
721 ssat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(ssat->sat_len, ss));
722 if (ssat->sat_tab == NULL)
723 goto out1;
724
725 for (j = i = 0; sid >= 0; i++, j++) {
726 if (j >= CDF_LOOP_LIMIT) {
727 DPRINTF(("Read short sat sector loop limit"));
728 goto out;
729 }
730 if (i >= ssat->sat_len) {
731 DPRINTF(("Out of bounds reading short sector chain "
732 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
733 ssat->sat_len));
734 goto out;
735 }
736 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
737 (ssize_t)ss) {
738 DPRINTF(("Reading short sat sector %d", sid));
739 goto out1;
740 }
741 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
742 }
743 return 0;
744 out:
745 errno = EFTYPE;
746 out1:
747 free(ssat->sat_tab);
748 return -1;
749 }
750
751 int
752 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
753 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn,
754 const cdf_directory_t **root)
755 {
756 size_t i;
757 const cdf_directory_t *d;
758
759 *root = NULL;
760 for (i = 0; i < dir->dir_len; i++)
761 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
762 break;
763
764 /* If the it is not there, just fake it; some docs don't have it */
765 if (i == dir->dir_len) {
766 DPRINTF(("Cannot find root storage dir\n"));
767 goto out;
768 }
769 d = &dir->dir_tab[i];
770 *root = d;
771
772 /* If the it is not there, just fake it; some docs don't have it */
773 if (d->d_stream_first_sector < 0) {
774 DPRINTF(("No first secror in dir\n"));
775 goto out;
776 }
777
778 return cdf_read_long_sector_chain(info, h, sat,
779 d->d_stream_first_sector, d->d_size, scn);
780 out:
781 scn->sst_tab = NULL;
782 (void)cdf_zero_stream(scn);
783 return 0;
784 }
785
786 static int
787 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
788 {
789 for (; l--; d++, s++)
790 if (*d != CDF_TOLE2(*s))
791 return (unsigned char)*d - CDF_TOLE2(*s);
792 return 0;
793 }
794
795 int
796 cdf_read_doc_summary_info(const cdf_info_t *info, const cdf_header_t *h,
797 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
798 const cdf_dir_t *dir, cdf_stream_t *scn)
799 {
800 return cdf_read_user_stream(info, h, sat, ssat, sst, dir,
801 "\05DocumentSummaryInformation", scn);
802 }
803
804 int
805 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
806 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
807 const cdf_dir_t *dir, cdf_stream_t *scn)
808 {
809 return cdf_read_user_stream(info, h, sat, ssat, sst, dir,
810 "\05SummaryInformation", scn);
811 }
812
813 int
814 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h,
815 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
816 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn)
817 {
818 const cdf_directory_t *d;
819 int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM);
820
821 if (i <= 0) {
822 memset(scn, 0, sizeof(*scn));
823 return -1;
824 }
825
826 d = &dir->dir_tab[i - 1];
827 return cdf_read_sector_chain(info, h, sat, ssat, sst,
828 d->d_stream_first_sector, d->d_size, scn);
829 }
830
831 int
832 cdf_find_stream(const cdf_dir_t *dir, const char *name, int type)
833 {
834 size_t i, name_len = strlen(name) + 1;
835
836 for (i = dir->dir_len; i > 0; i--)
837 if (dir->dir_tab[i - 1].d_type == type &&
838 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len)
839 == 0)
840 break;
841 if (i > 0)
842 return CAST(int, i);
843
844 DPRINTF(("Cannot find type %d `%s'\n", type, name));
845 errno = ESRCH;
846 return 0;
847 }
848
849 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
850 #define CDF_PROP_LIMIT (UINT32_MAX / (8 * sizeof(cdf_property_info_t)))
851
852 static const void *
853 cdf_offset(const void *p, size_t l)
854 {
855 return CAST(const void *, CAST(const uint8_t *, p) + l);
856 }
857
858 static const uint8_t *
859 cdf_get_property_info_pos(const cdf_stream_t *sst, const cdf_header_t *h,
860 const uint8_t *p, const uint8_t *e, size_t i)
861 {
862 size_t tail = (i << 1) + 1;
863 size_t ofs;
864 const uint8_t *q;
865
866 if (p >= e) {
867 DPRINTF(("Past end %p < %p\n", e, p));
868 return NULL;
869 }
870 if (cdf_check_stream_offset(sst, h, p, (tail + 1) * sizeof(uint32_t),
871 __LINE__) == -1)
872 return NULL;
873 ofs = CDF_GETUINT32(p, tail);
874 q = CAST(const uint8_t *, cdf_offset(CAST(const void *, p),
875 ofs - 2 * sizeof(uint32_t)));
876
877 if (q < p) {
878 DPRINTF(("Wrapped around %p < %p\n", q, p));
879 return NULL;
880 }
881
882 if (q >= e) {
883 DPRINTF(("Ran off the end %p >= %p\n", q, e));
884 return NULL;
885 }
886 return q;
887 }
888
889 static cdf_property_info_t *
890 cdf_grow_info(cdf_property_info_t **info, size_t *maxcount, size_t incr)
891 {
892 cdf_property_info_t *inp;
893 size_t newcount = *maxcount + incr;
894
895 if (newcount > CDF_PROP_LIMIT) {
896 DPRINTF(("exceeded property limit %zu > %zu\n",
897 newcount, CDF_PROP_LIMIT));
898 goto out;
899 }
900 inp = CAST(cdf_property_info_t *,
901 CDF_REALLOC(*info, newcount * sizeof(*inp)));
902 if (inp == NULL)
903 goto out;
904
905 *info = inp;
906 *maxcount = newcount;
907 return inp;
908 out:
909 free(*info);
910 *maxcount = 0;
911 *info = NULL;
912 return NULL;
913 }
914
915 static int
916 cdf_copy_info(cdf_property_info_t *inp, const void *p, const void *e,
917 size_t len)
918 {
919 if (inp->pi_type & CDF_VECTOR)
920 return 0;
921
922 if ((size_t)(CAST(const char *, e) - CAST(const char *, p)) < len)
923 return 0;
924
925 (void)memcpy(&inp->pi_val, p, len);
926
927 switch (len) {
928 case 2:
929 inp->pi_u16 = CDF_TOLE2(inp->pi_u16);
930 break;
931 case 4:
932 inp->pi_u32 = CDF_TOLE4(inp->pi_u32);
933 break;
934 case 8:
935 inp->pi_u64 = CDF_TOLE8(inp->pi_u64);
936 break;
937 default:
938 abort();
939 }
940 return 1;
941 }
942
943 int
944 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
945 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
946 {
947 const cdf_section_header_t *shp;
948 cdf_section_header_t sh;
949 const uint8_t *p, *q, *e;
950 size_t i, o4, nelements, j, slen, left;
951 cdf_property_info_t *inp;
952
953 if (offs > UINT32_MAX / 4) {
954 errno = EFTYPE;
955 goto out;
956 }
957 shp = CAST(const cdf_section_header_t *,
958 cdf_offset(sst->sst_tab, offs));
959 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
960 goto out;
961 sh.sh_len = CDF_TOLE4(shp->sh_len);
962 if (sh.sh_len > CDF_SHLEN_LIMIT) {
963 errno = EFTYPE;
964 goto out;
965 }
966
967 if (cdf_check_stream_offset(sst, h, shp, sh.sh_len, __LINE__) == -1)
968 goto out;
969
970 sh.sh_properties = CDF_TOLE4(shp->sh_properties);
971 DPRINTF(("section len: %u properties %u\n", sh.sh_len,
972 sh.sh_properties));
973 if (sh.sh_properties > CDF_PROP_LIMIT)
974 goto out;
975 inp = cdf_grow_info(info, maxcount, sh.sh_properties);
976 if (inp == NULL)
977 goto out;
978 inp += *count;
979 *count += sh.sh_properties;
980 p = CAST(const uint8_t *, cdf_offset(sst->sst_tab, offs + sizeof(sh)));
981 e = CAST(const uint8_t *, cdf_offset(shp, sh.sh_len));
982 if (p >= e || cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
983 goto out;
984
985 for (i = 0; i < sh.sh_properties; i++) {
986 if ((q = cdf_get_property_info_pos(sst, h, p, e, i)) == NULL)
987 goto out;
988 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
989 left = CAST(size_t, e - q);
990 if (left < sizeof(uint32_t)) {
991 DPRINTF(("short info (no type)_\n"));
992 goto out;
993 }
994 inp[i].pi_type = CDF_GETUINT32(q, 0);
995 DPRINTF(("%" SIZE_T_FORMAT "u) id=%#x type=%#x offs=%#tx,%#x\n",
996 i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
997 if (inp[i].pi_type & CDF_VECTOR) {
998 if (left < sizeof(uint32_t) * 2) {
999 DPRINTF(("missing CDF_VECTOR length\n"));
1000 goto out;
1001 }
1002 nelements = CDF_GETUINT32(q, 1);
1003 if (nelements == 0) {
1004 DPRINTF(("CDF_VECTOR with nelements == 0\n"));
1005 goto out;
1006 }
1007 slen = 2;
1008 } else {
1009 nelements = 1;
1010 slen = 1;
1011 }
1012 o4 = slen * sizeof(uint32_t);
1013 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
1014 goto unknown;
1015 switch (inp[i].pi_type & CDF_TYPEMASK) {
1016 case CDF_NULL:
1017 case CDF_EMPTY:
1018 break;
1019 case CDF_SIGNED16:
1020 if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int16_t)))
1021 goto unknown;
1022 break;
1023 case CDF_SIGNED32:
1024 case CDF_BOOL:
1025 case CDF_UNSIGNED32:
1026 case CDF_FLOAT:
1027 if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int32_t)))
1028 goto unknown;
1029 break;
1030 case CDF_SIGNED64:
1031 case CDF_UNSIGNED64:
1032 case CDF_DOUBLE:
1033 case CDF_FILETIME:
1034 if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int64_t)))
1035 goto unknown;
1036 break;
1037 case CDF_LENGTH32_STRING:
1038 case CDF_LENGTH32_WSTRING:
1039 if (nelements > 1) {
1040 size_t nelem = inp - *info;
1041 inp = cdf_grow_info(info, maxcount, nelements);
1042 if (inp == NULL)
1043 goto out;
1044 inp += nelem;
1045 }
1046 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
1047 nelements));
1048 for (j = 0; j < nelements && i < sh.sh_properties;
1049 j++, i++)
1050 {
1051 uint32_t l;
1052
1053 if (o4 + sizeof(uint32_t) > left)
1054 goto out;
1055
1056 l = CDF_GETUINT32(q, slen);
1057 o4 += sizeof(uint32_t);
1058 if (o4 + l > left)
1059 goto out;
1060
1061 inp[i].pi_str.s_len = l;
1062 inp[i].pi_str.s_buf = CAST(const char *,
1063 CAST(const void *, &q[o4]));
1064
1065 DPRINTF(("o=%zu l=%d(%" SIZE_T_FORMAT
1066 "u), t=%zu s=%s\n", o4, l,
1067 CDF_ROUND(l, sizeof(l)), left,
1068 inp[i].pi_str.s_buf));
1069
1070 if (l & 1)
1071 l++;
1072
1073 slen += l >> 1;
1074 o4 = slen * sizeof(uint32_t);
1075 }
1076 i--;
1077 break;
1078 case CDF_CLIPBOARD:
1079 if (inp[i].pi_type & CDF_VECTOR)
1080 goto unknown;
1081 break;
1082 default:
1083 unknown:
1084 memset(&inp[i].pi_val, 0, sizeof(inp[i].pi_val));
1085 DPRINTF(("Don't know how to deal with %#x\n",
1086 inp[i].pi_type));
1087 break;
1088 }
1089 }
1090 return 0;
1091 out:
1092 free(*info);
1093 *info = NULL;
1094 *count = 0;
1095 *maxcount = 0;
1096 errno = EFTYPE;
1097 return -1;
1098 }
1099
1100 int
1101 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
1102 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
1103 {
1104 size_t maxcount;
1105 const cdf_summary_info_header_t *si =
1106 CAST(const cdf_summary_info_header_t *, sst->sst_tab);
1107 const cdf_section_declaration_t *sd =
1108 CAST(const cdf_section_declaration_t *, (const void *)
1109 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
1110
1111 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
1112 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
1113 return -1;
1114 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
1115 ssi->si_os_version = CDF_TOLE2(si->si_os_version);
1116 ssi->si_os = CDF_TOLE2(si->si_os);
1117 ssi->si_class = si->si_class;
1118 cdf_swap_class(&ssi->si_class);
1119 ssi->si_count = CDF_TOLE4(si->si_count);
1120 *count = 0;
1121 maxcount = 0;
1122 *info = NULL;
1123 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info,
1124 count, &maxcount) == -1)
1125 return -1;
1126 return 0;
1127 }
1128
1129
1130 #define extract_catalog_field(t, f, l) \
1131 if (b + l + sizeof(cep->f) > eb) { \
1132 cep->ce_namlen = 0; \
1133 break; \
1134 } \
1135 memcpy(&cep->f, b + (l), sizeof(cep->f)); \
1136 ce[i].f = CAST(t, CDF_TOLE(cep->f))
1137
1138 int
1139 cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst,
1140 cdf_catalog_t **cat)
1141 {
1142 size_t ss = cdf_check_stream(sst, h);
1143 const char *b = CAST(const char *, sst->sst_tab);
1144 const char *nb, *eb = b + ss * sst->sst_len;
1145 size_t nr, i, j, k;
1146 cdf_catalog_entry_t *ce;
1147 uint16_t reclen;
1148 const uint16_t *np;
1149
1150 for (nr = 0;; nr++) {
1151 memcpy(&reclen, b, sizeof(reclen));
1152 reclen = CDF_TOLE2(reclen);
1153 if (reclen == 0)
1154 break;
1155 b += reclen;
1156 if (b > eb)
1157 break;
1158 }
1159 if (nr == 0)
1160 return -1;
1161 nr--;
1162 *cat = CAST(cdf_catalog_t *,
1163 CDF_MALLOC(sizeof(cdf_catalog_t) + nr * sizeof(*ce)));
1164 if (*cat == NULL)
1165 return -1;
1166 ce = (*cat)->cat_e;
1167 memset(ce, 0, nr * sizeof(*ce));
1168 b = CAST(const char *, sst->sst_tab);
1169 for (j = i = 0; i < nr; b += reclen) {
1170 cdf_catalog_entry_t *cep = &ce[j];
1171 uint16_t rlen;
1172
1173 extract_catalog_field(uint16_t, ce_namlen, 0);
1174 extract_catalog_field(uint16_t, ce_num, 4);
1175 extract_catalog_field(uint64_t, ce_timestamp, 8);
1176 reclen = cep->ce_namlen;
1177
1178 if (reclen < 14) {
1179 cep->ce_namlen = 0;
1180 continue;
1181 }
1182
1183 cep->ce_namlen = __arraycount(cep->ce_name) - 1;
1184 rlen = reclen - 14;
1185 if (cep->ce_namlen > rlen)
1186 cep->ce_namlen = rlen;
1187
1188 np = CAST(const uint16_t *, CAST(const void *, (b + 16)));
1189 nb = CAST(const char *, CAST(const void *,
1190 (np + cep->ce_namlen)));
1191 if (nb > eb) {
1192 cep->ce_namlen = 0;
1193 break;
1194 }
1195
1196 for (k = 0; k < cep->ce_namlen; k++)
1197 cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */
1198 cep->ce_name[cep->ce_namlen] = 0;
1199 j = i;
1200 i++;
1201 }
1202 (*cat)->cat_num = j;
1203 return 0;
1204 }
1205
1206 int
1207 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
1208 {
1209 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
1210 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
1211 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
1212 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
1213 id->cl_six[5]);
1214 }
1215
1216 static const struct {
1217 uint32_t v;
1218 const char *n;
1219 } vn[] = {
1220 { CDF_PROPERTY_CODE_PAGE, "Code page" },
1221 { CDF_PROPERTY_TITLE, "Title" },
1222 { CDF_PROPERTY_SUBJECT, "Subject" },
1223 { CDF_PROPERTY_AUTHOR, "Author" },
1224 { CDF_PROPERTY_KEYWORDS, "Keywords" },
1225 { CDF_PROPERTY_COMMENTS, "Comments" },
1226 { CDF_PROPERTY_TEMPLATE, "Template" },
1227 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
1228 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
1229 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
1230 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
1231 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
1232 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
1233 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
1234 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
1235 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1236 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1237 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1238 { CDF_PROPERTY_SECURITY, "Security" },
1239 { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1240 };
1241
1242 int
1243 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1244 {
1245 size_t i;
1246
1247 for (i = 0; i < __arraycount(vn); i++)
1248 if (vn[i].v == p)
1249 return snprintf(buf, bufsiz, "%s", vn[i].n);
1250 return snprintf(buf, bufsiz, "%#x", p);
1251 }
1252
1253 int
1254 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1255 {
1256 int len = 0;
1257 int days, hours, mins, secs;
1258
1259 ts /= CDF_TIME_PREC;
1260 secs = (int)(ts % 60);
1261 ts /= 60;
1262 mins = (int)(ts % 60);
1263 ts /= 60;
1264 hours = (int)(ts % 24);
1265 ts /= 24;
1266 days = (int)ts;
1267
1268 if (days) {
1269 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1270 if ((size_t)len >= bufsiz)
1271 return len;
1272 }
1273
1274 if (days || hours) {
1275 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1276 if ((size_t)len >= bufsiz)
1277 return len;
1278 }
1279
1280 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1281 if ((size_t)len >= bufsiz)
1282 return len;
1283
1284 len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1285 return len;
1286 }
1287
1288 char *
1289 cdf_u16tos8(char *buf, size_t len, const uint16_t *p)
1290 {
1291 size_t i;
1292 for (i = 0; i < len && p[i]; i++)
1293 buf[i] = (char)p[i];
1294 buf[i] = '\0';
1295 return buf;
1296 }
1297
1298 #ifdef CDF_DEBUG
1299 void
1300 cdf_dump_header(const cdf_header_t *h)
1301 {
1302 size_t i;
1303
1304 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1305 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1306 h->h_ ## b, 1 << h->h_ ## b)
1307 DUMP("%d", revision);
1308 DUMP("%d", version);
1309 DUMP("%#x", byte_order);
1310 DUMP2("%d", sec_size_p2);
1311 DUMP2("%d", short_sec_size_p2);
1312 DUMP("%d", num_sectors_in_sat);
1313 DUMP("%d", secid_first_directory);
1314 DUMP("%d", min_size_standard_stream);
1315 DUMP("%d", secid_first_sector_in_short_sat);
1316 DUMP("%d", num_sectors_in_short_sat);
1317 DUMP("%d", secid_first_sector_in_master_sat);
1318 DUMP("%d", num_sectors_in_master_sat);
1319 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1320 if (h->h_master_sat[i] == CDF_SECID_FREE)
1321 break;
1322 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n",
1323 "master_sat", i, h->h_master_sat[i]);
1324 }
1325 }
1326
1327 void
1328 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1329 {
1330 size_t i, j, s = size / sizeof(cdf_secid_t);
1331
1332 for (i = 0; i < sat->sat_len; i++) {
1333 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1334 SIZE_T_FORMAT "u: ", prefix, i, i * s);
1335 for (j = 0; j < s; j++) {
1336 (void)fprintf(stderr, "%5d, ",
1337 CDF_TOLE4(sat->sat_tab[s * i + j]));
1338 if ((j + 1) % 10 == 0)
1339 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1340 "u: ", i * s + j + 1);
1341 }
1342 (void)fprintf(stderr, "\n");
1343 }
1344 }
1345
1346 void
1347 cdf_dump(const void *v, size_t len)
1348 {
1349 size_t i, j;
1350 const unsigned char *p = v;
1351 char abuf[16];
1352
1353 (void)fprintf(stderr, "%.4x: ", 0);
1354 for (i = 0, j = 0; i < len; i++, p++) {
1355 (void)fprintf(stderr, "%.2x ", *p);
1356 abuf[j++] = isprint(*p) ? *p : '.';
1357 if (j == 16) {
1358 j = 0;
1359 abuf[15] = '\0';
1360 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1361 abuf, i + 1);
1362 }
1363 }
1364 (void)fprintf(stderr, "\n");
1365 }
1366
1367 void
1368 cdf_dump_stream(const cdf_stream_t *sst)
1369 {
1370 size_t ss = sst->sst_ss;
1371 cdf_dump(sst->sst_tab, ss * sst->sst_len);
1372 }
1373
1374 void
1375 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1376 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1377 const cdf_dir_t *dir)
1378 {
1379 size_t i, j;
1380 cdf_directory_t *d;
1381 char name[__arraycount(d->d_name)];
1382 cdf_stream_t scn;
1383 struct timespec ts;
1384
1385 static const char *types[] = { "empty", "user storage",
1386 "user stream", "lockbytes", "property", "root storage" };
1387
1388 for (i = 0; i < dir->dir_len; i++) {
1389 char buf[26];
1390 d = &dir->dir_tab[i];
1391 for (j = 0; j < sizeof(name); j++)
1392 name[j] = (char)CDF_TOLE2(d->d_name[j]);
1393 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1394 i, name);
1395 if (d->d_type < __arraycount(types))
1396 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1397 else
1398 (void)fprintf(stderr, "Type: %d\n", d->d_type);
1399 (void)fprintf(stderr, "Color: %s\n",
1400 d->d_color ? "black" : "red");
1401 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1402 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1403 (void)fprintf(stderr, "Flags: %#x\n", d->d_flags);
1404 cdf_timestamp_to_timespec(&ts, d->d_created);
1405 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf));
1406 cdf_timestamp_to_timespec(&ts, d->d_modified);
1407 (void)fprintf(stderr, "Modified %s",
1408 cdf_ctime(&ts.tv_sec, buf));
1409 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1410 (void)fprintf(stderr, "Size %d\n", d->d_size);
1411 switch (d->d_type) {
1412 case CDF_DIR_TYPE_USER_STORAGE:
1413 (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1414 break;
1415 case CDF_DIR_TYPE_USER_STREAM:
1416 if (sst == NULL)
1417 break;
1418 if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1419 d->d_stream_first_sector, d->d_size, &scn) == -1) {
1420 warn("Can't read stream for %s at %d len %d",
1421 name, d->d_stream_first_sector, d->d_size);
1422 break;
1423 }
1424 cdf_dump_stream(&scn);
1425 free(scn.sst_tab);
1426 break;
1427 default:
1428 break;
1429 }
1430
1431 }
1432 }
1433
1434 void
1435 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1436 {
1437 cdf_timestamp_t tp;
1438 struct timespec ts;
1439 char buf[64];
1440 size_t i, j;
1441
1442 for (i = 0; i < count; i++) {
1443 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1444 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1445 switch (info[i].pi_type) {
1446 case CDF_NULL:
1447 break;
1448 case CDF_SIGNED16:
1449 (void)fprintf(stderr, "signed 16 [%hd]\n",
1450 info[i].pi_s16);
1451 break;
1452 case CDF_SIGNED32:
1453 (void)fprintf(stderr, "signed 32 [%d]\n",
1454 info[i].pi_s32);
1455 break;
1456 case CDF_UNSIGNED32:
1457 (void)fprintf(stderr, "unsigned 32 [%u]\n",
1458 info[i].pi_u32);
1459 break;
1460 case CDF_FLOAT:
1461 (void)fprintf(stderr, "float [%g]\n",
1462 info[i].pi_f);
1463 break;
1464 case CDF_DOUBLE:
1465 (void)fprintf(stderr, "double [%g]\n",
1466 info[i].pi_d);
1467 break;
1468 case CDF_LENGTH32_STRING:
1469 (void)fprintf(stderr, "string %u [%.*s]\n",
1470 info[i].pi_str.s_len,
1471 info[i].pi_str.s_len, info[i].pi_str.s_buf);
1472 break;
1473 case CDF_LENGTH32_WSTRING:
1474 (void)fprintf(stderr, "string %u [",
1475 info[i].pi_str.s_len);
1476 for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1477 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1478 (void)fprintf(stderr, "]\n");
1479 break;
1480 case CDF_FILETIME:
1481 tp = info[i].pi_tp;
1482 if (tp < 1000000000000000LL) {
1483 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1484 (void)fprintf(stderr, "timestamp %s\n", buf);
1485 } else {
1486 char tbuf[26];
1487 cdf_timestamp_to_timespec(&ts, tp);
1488 (void)fprintf(stderr, "timestamp %s",
1489 cdf_ctime(&ts.tv_sec, tbuf));
1490 }
1491 break;
1492 case CDF_CLIPBOARD:
1493 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1494 break;
1495 default:
1496 DPRINTF(("Don't know how to deal with %#x\n",
1497 info[i].pi_type));
1498 break;
1499 }
1500 }
1501 }
1502
1503
1504 void
1505 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1506 {
1507 char buf[128];
1508 cdf_summary_info_header_t ssi;
1509 cdf_property_info_t *info;
1510 size_t count;
1511
1512 (void)&h;
1513 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1514 return;
1515 (void)fprintf(stderr, "Endian: %#x\n", ssi.si_byte_order);
1516 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1517 ssi.si_os_version >> 8);
1518 (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1519 cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1520 (void)fprintf(stderr, "Class %s\n", buf);
1521 (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1522 cdf_dump_property_info(info, count);
1523 free(info);
1524 }
1525
1526
1527 void
1528 cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst)
1529 {
1530 cdf_catalog_t *cat;
1531 cdf_unpack_catalog(h, sst, &cat);
1532 const cdf_catalog_entry_t *ce = cat->cat_e;
1533 struct timespec ts;
1534 char tbuf[64], sbuf[256];
1535 size_t i;
1536
1537 printf("Catalog:\n");
1538 for (i = 0; i < cat->cat_num; i++) {
1539 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp);
1540 printf("\t%d %s %s", ce[i].ce_num,
1541 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name),
1542 cdf_ctime(&ts.tv_sec, tbuf));
1543 }
1544 free(cat);
1545 }
1546
1547 #endif
1548
1549 #ifdef TEST
1550 int
1551 main(int argc, char *argv[])
1552 {
1553 int i;
1554 cdf_header_t h;
1555 cdf_sat_t sat, ssat;
1556 cdf_stream_t sst, scn;
1557 cdf_dir_t dir;
1558 cdf_info_t info;
1559 const cdf_directory_t *root;
1560 #ifdef __linux__
1561 #define getprogname() __progname
1562 extern char *__progname;
1563 #endif
1564 if (argc < 2) {
1565 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1566 return -1;
1567 }
1568
1569 info.i_buf = NULL;
1570 info.i_len = 0;
1571 for (i = 1; i < argc; i++) {
1572 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1573 err(1, "Cannot open `%s'", argv[1]);
1574
1575 if (cdf_read_header(&info, &h) == -1)
1576 err(1, "Cannot read header");
1577 #ifdef CDF_DEBUG
1578 cdf_dump_header(&h);
1579 #endif
1580
1581 if (cdf_read_sat(&info, &h, &sat) == -1)
1582 err(1, "Cannot read sat");
1583 #ifdef CDF_DEBUG
1584 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1585 #endif
1586
1587 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1588 err(1, "Cannot read ssat");
1589 #ifdef CDF_DEBUG
1590 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1591 #endif
1592
1593 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1594 err(1, "Cannot read dir");
1595
1596 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root)
1597 == -1)
1598 err(1, "Cannot read short stream");
1599 #ifdef CDF_DEBUG
1600 cdf_dump_stream(&sst);
1601 #endif
1602
1603 #ifdef CDF_DEBUG
1604 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1605 #endif
1606
1607
1608 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1609 &scn) == -1)
1610 warn("Cannot read summary info");
1611 #ifdef CDF_DEBUG
1612 else
1613 cdf_dump_summary_info(&h, &scn);
1614 #endif
1615 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst,
1616 &dir, "Catalog", &scn) == -1)
1617 warn("Cannot read catalog");
1618 #ifdef CDF_DEBUG
1619 else
1620 cdf_dump_catalog(&h, &scn);
1621 #endif
1622
1623 (void)close(info.i_fd);
1624 }
1625
1626 return 0;
1627 }
1628 #endif
DragonFly BSD