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 1.53 2013/02/26 16:20:42 christos Exp $")
39 #endif
40
41 #include <assert.h>
42 #ifdef CDF_DEBUG
43 #include <err.h>
44 #endif
45 #include <stdlib.h>
46
47 #ifdef PHP_WIN32
48 #include "win32/unistd.h"
49 #else
50 #include <unistd.h>
51 #endif
52
53 #ifndef UINT32_MAX
54 # define UINT32_MAX (0xffffffff)
55 #endif
56
57 #include <string.h>
58 #include <time.h>
59 #include <ctype.h>
60 #ifdef HAVE_LIMITS_H
61 #include <limits.h>
62 #endif
63
64 #ifndef EFTYPE
65 #define EFTYPE EINVAL
66 #endif
67
68 #include "cdf.h"
69
70 #ifdef CDF_DEBUG
71 #define DPRINTF(a) printf a, fflush(stdout)
72 #else
73 #define DPRINTF(a)
74 #endif
75
76 static union {
77 char s[4];
78 uint32_t u;
79 } cdf_bo;
80
81 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304)
82
83 #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? _cdf_tole8(x) : (uint64_t)(x)))
84 #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? _cdf_tole4(x) : (uint32_t)(x)))
85 #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (uint16_t)(x)))
86 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y)
87
88
89 /*
90 * swap a short
91 */
92 static uint16_t
_cdf_tole2(uint16_t sv)93 _cdf_tole2(uint16_t sv)
94 {
95 uint16_t rv;
96 uint8_t *s = (uint8_t *)(void *)&sv;
97 uint8_t *d = (uint8_t *)(void *)&rv;
98 d[0] = s[1];
99 d[1] = s[0];
100 return rv;
101 }
102
103 /*
104 * swap an int
105 */
106 static uint32_t
_cdf_tole4(uint32_t sv)107 _cdf_tole4(uint32_t sv)
108 {
109 uint32_t rv;
110 uint8_t *s = (uint8_t *)(void *)&sv;
111 uint8_t *d = (uint8_t *)(void *)&rv;
112 d[0] = s[3];
113 d[1] = s[2];
114 d[2] = s[1];
115 d[3] = s[0];
116 return rv;
117 }
118
119 /*
120 * swap a quad
121 */
122 static uint64_t
_cdf_tole8(uint64_t sv)123 _cdf_tole8(uint64_t sv)
124 {
125 uint64_t rv;
126 uint8_t *s = (uint8_t *)(void *)&sv;
127 uint8_t *d = (uint8_t *)(void *)&rv;
128 d[0] = s[7];
129 d[1] = s[6];
130 d[2] = s[5];
131 d[3] = s[4];
132 d[4] = s[3];
133 d[5] = s[2];
134 d[6] = s[1];
135 d[7] = s[0];
136 return rv;
137 }
138
139 /*
140 * grab a uint32_t from a possibly unaligned address, and return it in
141 * the native host order.
142 */
143 static uint32_t
cdf_getuint32(const uint8_t * p,size_t offs)144 cdf_getuint32(const uint8_t *p, size_t offs)
145 {
146 uint32_t rv;
147 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
148 return CDF_TOLE4(rv);
149 }
150
151 #define CDF_UNPACK(a) \
152 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
153 #define CDF_UNPACKA(a) \
154 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
155
156 uint16_t
cdf_tole2(uint16_t sv)157 cdf_tole2(uint16_t sv)
158 {
159 return CDF_TOLE2(sv);
160 }
161
162 uint32_t
cdf_tole4(uint32_t sv)163 cdf_tole4(uint32_t sv)
164 {
165 return CDF_TOLE4(sv);
166 }
167
168 uint64_t
cdf_tole8(uint64_t sv)169 cdf_tole8(uint64_t sv)
170 {
171 return CDF_TOLE8(sv);
172 }
173
174 void
cdf_swap_header(cdf_header_t * h)175 cdf_swap_header(cdf_header_t *h)
176 {
177 size_t i;
178
179 h->h_magic = CDF_TOLE8(h->h_magic);
180 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
181 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
182 h->h_revision = CDF_TOLE2(h->h_revision);
183 h->h_version = CDF_TOLE2(h->h_version);
184 h->h_byte_order = CDF_TOLE2(h->h_byte_order);
185 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
186 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
187 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
188 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
189 h->h_min_size_standard_stream =
190 CDF_TOLE4(h->h_min_size_standard_stream);
191 h->h_secid_first_sector_in_short_sat =
192 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
193 h->h_num_sectors_in_short_sat =
194 CDF_TOLE4(h->h_num_sectors_in_short_sat);
195 h->h_secid_first_sector_in_master_sat =
196 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
197 h->h_num_sectors_in_master_sat =
198 CDF_TOLE4(h->h_num_sectors_in_master_sat);
199 for (i = 0; i < __arraycount(h->h_master_sat); i++)
200 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
201 }
202
203 void
cdf_unpack_header(cdf_header_t * h,char * buf)204 cdf_unpack_header(cdf_header_t *h, char *buf)
205 {
206 size_t i;
207 size_t len = 0;
208
209 CDF_UNPACK(h->h_magic);
210 CDF_UNPACKA(h->h_uuid);
211 CDF_UNPACK(h->h_revision);
212 CDF_UNPACK(h->h_version);
213 CDF_UNPACK(h->h_byte_order);
214 CDF_UNPACK(h->h_sec_size_p2);
215 CDF_UNPACK(h->h_short_sec_size_p2);
216 CDF_UNPACKA(h->h_unused0);
217 CDF_UNPACK(h->h_num_sectors_in_sat);
218 CDF_UNPACK(h->h_secid_first_directory);
219 CDF_UNPACKA(h->h_unused1);
220 CDF_UNPACK(h->h_min_size_standard_stream);
221 CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
222 CDF_UNPACK(h->h_num_sectors_in_short_sat);
223 CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
224 CDF_UNPACK(h->h_num_sectors_in_master_sat);
225 for (i = 0; i < __arraycount(h->h_master_sat); i++)
226 CDF_UNPACK(h->h_master_sat[i]);
227 }
228
229 void
cdf_swap_dir(cdf_directory_t * d)230 cdf_swap_dir(cdf_directory_t *d)
231 {
232 d->d_namelen = CDF_TOLE2(d->d_namelen);
233 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
234 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
235 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
236 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
237 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
238 d->d_flags = CDF_TOLE4(d->d_flags);
239 d->d_created = CDF_TOLE8((uint64_t)d->d_created);
240 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
241 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
242 d->d_size = CDF_TOLE4(d->d_size);
243 }
244
245 void
cdf_swap_class(cdf_classid_t * d)246 cdf_swap_class(cdf_classid_t *d)
247 {
248 d->cl_dword = CDF_TOLE4(d->cl_dword);
249 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
250 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
251 }
252
253 void
cdf_unpack_dir(cdf_directory_t * d,char * buf)254 cdf_unpack_dir(cdf_directory_t *d, char *buf)
255 {
256 size_t len = 0;
257
258 CDF_UNPACKA(d->d_name);
259 CDF_UNPACK(d->d_namelen);
260 CDF_UNPACK(d->d_type);
261 CDF_UNPACK(d->d_color);
262 CDF_UNPACK(d->d_left_child);
263 CDF_UNPACK(d->d_right_child);
264 CDF_UNPACK(d->d_storage);
265 CDF_UNPACKA(d->d_storage_uuid);
266 CDF_UNPACK(d->d_flags);
267 CDF_UNPACK(d->d_created);
268 CDF_UNPACK(d->d_modified);
269 CDF_UNPACK(d->d_stream_first_sector);
270 CDF_UNPACK(d->d_size);
271 CDF_UNPACK(d->d_unused0);
272 }
273
274 static int
cdf_check_stream_offset(const cdf_stream_t * sst,const cdf_header_t * h,const void * p,size_t tail,int line)275 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
276 const void *p, size_t tail, int line)
277 {
278 const char *b = (const char *)sst->sst_tab;
279 const char *e = ((const char *)p) + tail;
280 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
281 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
282 (void)&line;
283 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
284 return 0;
285 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
286 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
287 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
288 ss * sst->sst_len, ss, sst->sst_len));
289 errno = EFTYPE;
290 return -1;
291 }
292
293 static ssize_t
cdf_read(const cdf_info_t * info,off_t off,void * buf,size_t len)294 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
295 {
296 size_t siz = (size_t)off + len;
297
298 if ((off_t)(off + len) != (off_t)siz) {
299 errno = EINVAL;
300 return -1;
301 }
302
303 if (info->i_buf != NULL && info->i_len >= siz) {
304 (void)memcpy(buf, &info->i_buf[off], len);
305 return (ssize_t)len;
306 }
307
308 if (info->i_fd == -1)
309 return -1;
310
311 if (FINFO_LSEEK_FUNC(info->i_fd, off, SEEK_SET) == (off_t)-1)
312 return -1;
313
314 if (FINFO_READ_FUNC(info->i_fd, buf, len) != (ssize_t)len)
315 return -1;
316
317 return (ssize_t)len;
318 }
319
320 int
cdf_read_header(const cdf_info_t * info,cdf_header_t * h)321 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
322 {
323 char buf[512];
324
325 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
326 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
327 return -1;
328 cdf_unpack_header(h, buf);
329 cdf_swap_header(h);
330 if (h->h_magic != CDF_MAGIC) {
331 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
332 INT64_T_FORMAT "x\n",
333 (unsigned long long)h->h_magic,
334 (unsigned long long)CDF_MAGIC));
335 goto out;
336 }
337 if (h->h_sec_size_p2 > 20) {
338 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
339 goto out;
340 }
341 if (h->h_short_sec_size_p2 > 20) {
342 DPRINTF(("Bad short sector size 0x%u\n",
343 h->h_short_sec_size_p2));
344 goto out;
345 }
346 return 0;
347 out:
348 errno = EFTYPE;
349 return -1;
350 }
351
352
353 ssize_t
cdf_read_sector(const cdf_info_t * info,void * buf,size_t offs,size_t len,const cdf_header_t * h,cdf_secid_t id)354 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
355 const cdf_header_t *h, cdf_secid_t id)
356 {
357 size_t ss = CDF_SEC_SIZE(h);
358 size_t pos = CDF_SEC_POS(h, id);
359 assert(ss == len);
360 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
361 }
362
363 ssize_t
cdf_read_short_sector(const cdf_stream_t * sst,void * buf,size_t offs,size_t len,const cdf_header_t * h,cdf_secid_t id)364 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
365 size_t len, const cdf_header_t *h, cdf_secid_t id)
366 {
367 size_t ss = CDF_SHORT_SEC_SIZE(h);
368 size_t pos = CDF_SHORT_SEC_POS(h, id);
369 assert(ss == len);
370 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
371 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
372 SIZE_T_FORMAT "u\n",
373 pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
374 return -1;
375 }
376 (void)memcpy(((char *)buf) + offs,
377 ((const char *)sst->sst_tab) + pos, len);
378 return len;
379 }
380
381 /*
382 * Read the sector allocation table.
383 */
384 int
cdf_read_sat(const cdf_info_t * info,cdf_header_t * h,cdf_sat_t * sat)385 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
386 {
387 size_t i, j, k;
388 size_t ss = CDF_SEC_SIZE(h);
389 cdf_secid_t *msa, mid, sec;
390 size_t nsatpersec = (ss / sizeof(mid)) - 1;
391
392 for (i = 0; i < __arraycount(h->h_master_sat); i++)
393 if (h->h_master_sat[i] == CDF_SECID_FREE)
394 break;
395
396 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
397 if ((nsatpersec > 0 &&
398 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
399 i > CDF_SEC_LIMIT) {
400 DPRINTF(("Number of sectors in master SAT too big %u %"
401 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
402 errno = EFTYPE;
403 return -1;
404 }
405
406 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
407 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
408 sat->sat_len, ss));
409 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
410 == NULL)
411 return -1;
412
413 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
414 if (h->h_master_sat[i] < 0)
415 break;
416 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
417 h->h_master_sat[i]) != (ssize_t)ss) {
418 DPRINTF(("Reading sector %d", h->h_master_sat[i]));
419 goto out1;
420 }
421 }
422
423 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
424 goto out1;
425
426 mid = h->h_secid_first_sector_in_master_sat;
427 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
428 if (mid < 0)
429 goto out;
430 if (j >= CDF_LOOP_LIMIT) {
431 DPRINTF(("Reading master sector loop limit"));
432 errno = EFTYPE;
433 goto out2;
434 }
435 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
436 DPRINTF(("Reading master sector %d", mid));
437 goto out2;
438 }
439 for (k = 0; k < nsatpersec; k++, i++) {
440 sec = CDF_TOLE4((uint32_t)msa[k]);
441 if (sec < 0)
442 goto out;
443 if (i >= sat->sat_len) {
444 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
445 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
446 errno = EFTYPE;
447 goto out2;
448 }
449 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
450 sec) != (ssize_t)ss) {
451 DPRINTF(("Reading sector %d",
452 CDF_TOLE4(msa[k])));
453 goto out2;
454 }
455 }
456 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
457 }
458 out:
459 sat->sat_len = i;
460 free(msa);
461 return 0;
462 out2:
463 free(msa);
464 out1:
465 free(sat->sat_tab);
466 return -1;
467 }
468
469 size_t
cdf_count_chain(const cdf_sat_t * sat,cdf_secid_t sid,size_t size)470 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
471 {
472 size_t i, j;
473 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
474 / sizeof(maxsector));
475
476 DPRINTF(("Chain:"));
477 for (j = i = 0; sid >= 0; i++, j++) {
478 DPRINTF((" %d", sid));
479 if (j >= CDF_LOOP_LIMIT) {
480 DPRINTF(("Counting chain loop limit"));
481 errno = EFTYPE;
482 return (size_t)-1;
483 }
484 if (sid >= maxsector) {
485 DPRINTF(("Sector %d >= %d\n", sid, maxsector));
486 errno = EFTYPE;
487 return (size_t)-1;
488 }
489 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
490 }
491 DPRINTF(("\n"));
492 return i;
493 }
494
495 int
cdf_read_long_sector_chain(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,cdf_secid_t sid,size_t len,cdf_stream_t * scn)496 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
497 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
498 {
499 size_t ss = CDF_SEC_SIZE(h), i, j;
500 ssize_t nr;
501 scn->sst_len = cdf_count_chain(sat, sid, ss);
502 scn->sst_dirlen = len;
503
504 if (scn->sst_len == (size_t)-1)
505 return -1;
506
507 scn->sst_tab = calloc(scn->sst_len, ss);
508 if (scn->sst_tab == NULL)
509 return -1;
510
511 for (j = i = 0; sid >= 0; i++, j++) {
512 if (j >= CDF_LOOP_LIMIT) {
513 DPRINTF(("Read long sector chain loop limit"));
514 errno = EFTYPE;
515 goto out;
516 }
517 if (i >= scn->sst_len) {
518 DPRINTF(("Out of bounds reading long sector chain "
519 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
520 scn->sst_len));
521 errno = EFTYPE;
522 goto out;
523 }
524 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
525 sid)) != (ssize_t)ss) {
526 if (i == scn->sst_len - 1 && nr > 0) {
527 /* Last sector might be truncated */
528 return 0;
529 }
530 DPRINTF(("Reading long sector chain %d", sid));
531 goto out;
532 }
533 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
534 }
535 return 0;
536 out:
537 free(scn->sst_tab);
538 return -1;
539 }
540
541 int
cdf_read_short_sector_chain(const cdf_header_t * h,const cdf_sat_t * ssat,const cdf_stream_t * sst,cdf_secid_t sid,size_t len,cdf_stream_t * scn)542 cdf_read_short_sector_chain(const cdf_header_t *h,
543 const cdf_sat_t *ssat, const cdf_stream_t *sst,
544 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
545 {
546 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
547 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
548 scn->sst_dirlen = len;
549
550 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
551 return -1;
552
553 scn->sst_tab = calloc(scn->sst_len, ss);
554 if (scn->sst_tab == NULL)
555 return -1;
556
557 for (j = i = 0; sid >= 0; i++, j++) {
558 if (j >= CDF_LOOP_LIMIT) {
559 DPRINTF(("Read short sector chain loop limit"));
560 errno = EFTYPE;
561 goto out;
562 }
563 if (i >= scn->sst_len) {
564 DPRINTF(("Out of bounds reading short sector chain "
565 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
566 i, scn->sst_len));
567 errno = EFTYPE;
568 goto out;
569 }
570 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
571 sid) != (ssize_t)ss) {
572 DPRINTF(("Reading short sector chain %d", sid));
573 goto out;
574 }
575 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
576 }
577 return 0;
578 out:
579 free(scn->sst_tab);
580 return -1;
581 }
582
583 int
cdf_read_sector_chain(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,const cdf_sat_t * ssat,const cdf_stream_t * sst,cdf_secid_t sid,size_t len,cdf_stream_t * scn)584 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
585 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
586 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
587 {
588
589 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
590 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
591 scn);
592 else
593 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
594 }
595
596 int
cdf_read_dir(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,cdf_dir_t * dir)597 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
598 const cdf_sat_t *sat, cdf_dir_t *dir)
599 {
600 size_t i, j;
601 size_t ss = CDF_SEC_SIZE(h), ns, nd;
602 char *buf;
603 cdf_secid_t sid = h->h_secid_first_directory;
604
605 ns = cdf_count_chain(sat, sid, ss);
606 if (ns == (size_t)-1)
607 return -1;
608
609 nd = ss / CDF_DIRECTORY_SIZE;
610
611 dir->dir_len = ns * nd;
612 dir->dir_tab = CAST(cdf_directory_t *,
613 calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
614 if (dir->dir_tab == NULL)
615 return -1;
616
617 if ((buf = CAST(char *, malloc(ss))) == NULL) {
618 free(dir->dir_tab);
619 return -1;
620 }
621
622 for (j = i = 0; i < ns; i++, j++) {
623 if (j >= CDF_LOOP_LIMIT) {
624 DPRINTF(("Read dir loop limit"));
625 errno = EFTYPE;
626 goto out;
627 }
628 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
629 DPRINTF(("Reading directory sector %d", sid));
630 goto out;
631 }
632 for (j = 0; j < nd; j++) {
633 cdf_unpack_dir(&dir->dir_tab[i * nd + j],
634 &buf[j * CDF_DIRECTORY_SIZE]);
635 }
636 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
637 }
638 if (NEED_SWAP)
639 for (i = 0; i < dir->dir_len; i++)
640 cdf_swap_dir(&dir->dir_tab[i]);
641 free(buf);
642 return 0;
643 out:
644 free(dir->dir_tab);
645 free(buf);
646 return -1;
647 }
648
649
650 int
cdf_read_ssat(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,cdf_sat_t * ssat)651 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
652 const cdf_sat_t *sat, cdf_sat_t *ssat)
653 {
654 size_t i, j;
655 size_t ss = CDF_SEC_SIZE(h);
656 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
657
658 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
659 if (ssat->sat_len == (size_t)-1)
660 return -1;
661
662 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
663 if (ssat->sat_tab == NULL)
664 return -1;
665
666 for (j = i = 0; sid >= 0; i++, j++) {
667 if (j >= CDF_LOOP_LIMIT) {
668 DPRINTF(("Read short sat sector loop limit"));
669 errno = EFTYPE;
670 goto out;
671 }
672 if (i >= ssat->sat_len) {
673 DPRINTF(("Out of bounds reading short sector chain "
674 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
675 ssat->sat_len));
676 errno = EFTYPE;
677 goto out;
678 }
679 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
680 (ssize_t)ss) {
681 DPRINTF(("Reading short sat sector %d", sid));
682 goto out;
683 }
684 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
685 }
686 return 0;
687 out:
688 free(ssat->sat_tab);
689 return -1;
690 }
691
692 int
cdf_read_short_stream(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,const cdf_dir_t * dir,cdf_stream_t * scn)693 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
694 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
695 {
696 size_t i;
697 const cdf_directory_t *d;
698
699 for (i = 0; i < dir->dir_len; i++)
700 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
701 break;
702
703 /* If the it is not there, just fake it; some docs don't have it */
704 if (i == dir->dir_len)
705 goto out;
706 d = &dir->dir_tab[i];
707
708 /* If the it is not there, just fake it; some docs don't have it */
709 if (d->d_stream_first_sector < 0)
710 goto out;
711
712 return cdf_read_long_sector_chain(info, h, sat,
713 d->d_stream_first_sector, d->d_size, scn);
714 out:
715 scn->sst_tab = NULL;
716 scn->sst_len = 0;
717 scn->sst_dirlen = 0;
718 return 0;
719 }
720
721 static int
cdf_namecmp(const char * d,const uint16_t * s,size_t l)722 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
723 {
724 for (; l--; d++, s++)
725 if (*d != CDF_TOLE2(*s))
726 return (unsigned char)*d - CDF_TOLE2(*s);
727 return 0;
728 }
729
730 int
cdf_read_summary_info(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,const cdf_sat_t * ssat,const cdf_stream_t * sst,const cdf_dir_t * dir,cdf_stream_t * scn)731 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
732 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
733 const cdf_dir_t *dir, cdf_stream_t *scn)
734 {
735 size_t i;
736 const cdf_directory_t *d;
737 static const char name[] = "\05SummaryInformation";
738
739 for (i = dir->dir_len; i > 0; i--)
740 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
741 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name))
742 == 0)
743 break;
744
745 if (i == 0) {
746 DPRINTF(("Cannot find summary information section\n"));
747 errno = ESRCH;
748 return -1;
749 }
750 d = &dir->dir_tab[i - 1];
751 return cdf_read_sector_chain(info, h, sat, ssat, sst,
752 d->d_stream_first_sector, d->d_size, scn);
753 }
754
755 int
cdf_read_property_info(const cdf_stream_t * sst,const cdf_header_t * h,uint32_t offs,cdf_property_info_t ** info,size_t * count,size_t * maxcount)756 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
757 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
758 {
759 const cdf_section_header_t *shp;
760 cdf_section_header_t sh;
761 const uint8_t *p, *q, *e;
762 int16_t s16;
763 int32_t s32;
764 uint32_t u32;
765 int64_t s64;
766 uint64_t u64;
767 cdf_timestamp_t tp;
768 size_t i, o, o4, nelements, j;
769 cdf_property_info_t *inp;
770
771 if (offs > UINT32_MAX / 4) {
772 errno = EFTYPE;
773 goto out;
774 }
775 shp = CAST(const cdf_section_header_t *, (const void *)
776 ((const char *)sst->sst_tab + offs));
777 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
778 goto out;
779 sh.sh_len = CDF_TOLE4(shp->sh_len);
780 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
781 if (sh.sh_len > CDF_SHLEN_LIMIT) {
782 errno = EFTYPE;
783 goto out;
784 }
785 sh.sh_properties = CDF_TOLE4(shp->sh_properties);
786 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
787 if (sh.sh_properties > CDF_PROP_LIMIT)
788 goto out;
789 DPRINTF(("section len: %u properties %u\n", sh.sh_len,
790 sh.sh_properties));
791 if (*maxcount) {
792 if (*maxcount > CDF_PROP_LIMIT)
793 goto out;
794 *maxcount += sh.sh_properties;
795 inp = CAST(cdf_property_info_t *,
796 realloc(*info, *maxcount * sizeof(*inp)));
797 } else {
798 *maxcount = sh.sh_properties;
799 inp = CAST(cdf_property_info_t *,
800 malloc(*maxcount * sizeof(*inp)));
801 }
802 if (inp == NULL)
803 goto out;
804 *info = inp;
805 inp += *count;
806 *count += sh.sh_properties;
807 p = CAST(const uint8_t *, (const void *)
808 ((const char *)(const void *)sst->sst_tab +
809 offs + sizeof(sh)));
810 e = CAST(const uint8_t *, (const void *)
811 (((const char *)(const void *)shp) + sh.sh_len));
812 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
813 goto out;
814 for (i = 0; i < sh.sh_properties; i++) {
815 size_t ofs, tail = (i << 1) + 1;
816 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t),
817 __LINE__) == -1)
818 goto out;
819 ofs = CDF_GETUINT32(p, tail);
820 q = (const uint8_t *)(const void *)
821 ((const char *)(const void *)p + ofs
822 - 2 * sizeof(uint32_t));
823 if (q < p || q > e) {
824 DPRINTF(("Ran of the end %p > %p\n", q, e));
825 goto out;
826 }
827 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
828 inp[i].pi_type = CDF_GETUINT32(q, 0);
829 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
830 i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
831 if (inp[i].pi_type & CDF_VECTOR) {
832 nelements = CDF_GETUINT32(q, 1);
833 if (nelements == 0) {
834 DPRINTF(("CDF_VECTOR with nelements == 0\n"));
835 goto out;
836 }
837 o = 2;
838 } else {
839 nelements = 1;
840 o = 1;
841 }
842 o4 = o * sizeof(uint32_t);
843 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
844 goto unknown;
845 switch (inp[i].pi_type & CDF_TYPEMASK) {
846 case CDF_NULL:
847 case CDF_EMPTY:
848 break;
849 case CDF_SIGNED16:
850 if (inp[i].pi_type & CDF_VECTOR)
851 goto unknown;
852 (void)memcpy(&s16, &q[o4], sizeof(s16));
853 inp[i].pi_s16 = CDF_TOLE2(s16);
854 break;
855 case CDF_SIGNED32:
856 if (inp[i].pi_type & CDF_VECTOR)
857 goto unknown;
858 (void)memcpy(&s32, &q[o4], sizeof(s32));
859 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
860 break;
861 case CDF_BOOL:
862 case CDF_UNSIGNED32:
863 if (inp[i].pi_type & CDF_VECTOR)
864 goto unknown;
865 (void)memcpy(&u32, &q[o4], sizeof(u32));
866 inp[i].pi_u32 = CDF_TOLE4(u32);
867 break;
868 case CDF_SIGNED64:
869 if (inp[i].pi_type & CDF_VECTOR)
870 goto unknown;
871 (void)memcpy(&s64, &q[o4], sizeof(s64));
872 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
873 break;
874 case CDF_UNSIGNED64:
875 if (inp[i].pi_type & CDF_VECTOR)
876 goto unknown;
877 (void)memcpy(&u64, &q[o4], sizeof(u64));
878 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
879 break;
880 case CDF_FLOAT:
881 if (inp[i].pi_type & CDF_VECTOR)
882 goto unknown;
883 (void)memcpy(&u32, &q[o4], sizeof(u32));
884 u32 = CDF_TOLE4(u32);
885 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
886 break;
887 case CDF_DOUBLE:
888 if (inp[i].pi_type & CDF_VECTOR)
889 goto unknown;
890 (void)memcpy(&u64, &q[o4], sizeof(u64));
891 u64 = CDF_TOLE8((uint64_t)u64);
892 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
893 break;
894 case CDF_LENGTH32_STRING:
895 case CDF_LENGTH32_WSTRING:
896 if (nelements > 1) {
897 size_t nelem = inp - *info;
898 if (*maxcount > CDF_PROP_LIMIT
899 || nelements > CDF_PROP_LIMIT)
900 goto out;
901 *maxcount += nelements;
902 inp = CAST(cdf_property_info_t *,
903 realloc(*info, *maxcount * sizeof(*inp)));
904 if (inp == NULL)
905 goto out;
906 *info = inp;
907 inp = *info + nelem;
908 }
909 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
910 nelements));
911 for (j = 0; j < nelements && i < sh.sh_properties;
912 j++, i++)
913 {
914 uint32_t l = CDF_GETUINT32(q, o);
915 inp[i].pi_str.s_len = l;
916 inp[i].pi_str.s_buf = (const char *)
917 (const void *)(&q[o4 + sizeof(l)]);
918 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
919 "u, s = %s\n", l,
920 CDF_ROUND(l, sizeof(l)),
921 inp[i].pi_str.s_buf));
922 if (l & 1)
923 l++;
924 o += l >> 1;
925 if (q + o >= e)
926 goto out;
927 o4 = o * sizeof(uint32_t);
928 }
929 i--;
930 break;
931 case CDF_FILETIME:
932 if (inp[i].pi_type & CDF_VECTOR)
933 goto unknown;
934 (void)memcpy(&tp, &q[o4], sizeof(tp));
935 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
936 break;
937 case CDF_CLIPBOARD:
938 if (inp[i].pi_type & CDF_VECTOR)
939 goto unknown;
940 break;
941 default:
942 unknown:
943 DPRINTF(("Don't know how to deal with %x\n",
944 inp[i].pi_type));
945 break;
946 }
947 }
948 return 0;
949 out:
950 free(*info);
951 return -1;
952 }
953
954 int
cdf_unpack_summary_info(const cdf_stream_t * sst,const cdf_header_t * h,cdf_summary_info_header_t * ssi,cdf_property_info_t ** info,size_t * count)955 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
956 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
957 {
958 size_t maxcount;
959 const cdf_summary_info_header_t *si =
960 CAST(const cdf_summary_info_header_t *, sst->sst_tab);
961 const cdf_section_declaration_t *sd =
962 CAST(const cdf_section_declaration_t *, (const void *)
963 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
964
965 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
966 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
967 return -1;
968 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
969 ssi->si_os_version = CDF_TOLE2(si->si_os_version);
970 ssi->si_os = CDF_TOLE2(si->si_os);
971 ssi->si_class = si->si_class;
972 cdf_swap_class(&ssi->si_class);
973 ssi->si_count = CDF_TOLE4(si->si_count);
974 *count = 0;
975 maxcount = 0;
976 *info = NULL;
977 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info,
978 count, &maxcount) == -1)
979 return -1;
980 return 0;
981 }
982
983
984
985 int
cdf_print_classid(char * buf,size_t buflen,const cdf_classid_t * id)986 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
987 {
988 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
989 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
990 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
991 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
992 id->cl_six[5]);
993 }
994
995 static const struct {
996 uint32_t v;
997 const char *n;
998 } vn[] = {
999 { CDF_PROPERTY_CODE_PAGE, "Code page" },
1000 { CDF_PROPERTY_TITLE, "Title" },
1001 { CDF_PROPERTY_SUBJECT, "Subject" },
1002 { CDF_PROPERTY_AUTHOR, "Author" },
1003 { CDF_PROPERTY_KEYWORDS, "Keywords" },
1004 { CDF_PROPERTY_COMMENTS, "Comments" },
1005 { CDF_PROPERTY_TEMPLATE, "Template" },
1006 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
1007 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
1008 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
1009 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
1010 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
1011 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
1012 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
1013 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
1014 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1015 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1016 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1017 { CDF_PROPERTY_SECURITY, "Security" },
1018 { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1019 };
1020
1021 int
cdf_print_property_name(char * buf,size_t bufsiz,uint32_t p)1022 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1023 {
1024 size_t i;
1025
1026 for (i = 0; i < __arraycount(vn); i++)
1027 if (vn[i].v == p)
1028 return snprintf(buf, bufsiz, "%s", vn[i].n);
1029 return snprintf(buf, bufsiz, "0x%x", p);
1030 }
1031
1032 int
cdf_print_elapsed_time(char * buf,size_t bufsiz,cdf_timestamp_t ts)1033 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1034 {
1035 int len = 0;
1036 int days, hours, mins, secs;
1037
1038 ts /= CDF_TIME_PREC;
1039 secs = (int)(ts % 60);
1040 ts /= 60;
1041 mins = (int)(ts % 60);
1042 ts /= 60;
1043 hours = (int)(ts % 24);
1044 ts /= 24;
1045 days = (int)ts;
1046
1047 if (days) {
1048 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1049 if ((size_t)len >= bufsiz)
1050 return len;
1051 }
1052
1053 if (days || hours) {
1054 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1055 if ((size_t)len >= bufsiz)
1056 return len;
1057 }
1058
1059 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1060 if ((size_t)len >= bufsiz)
1061 return len;
1062
1063 len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1064 return len;
1065 }
1066
1067
1068 #ifdef CDF_DEBUG
1069 void
cdf_dump_header(const cdf_header_t * h)1070 cdf_dump_header(const cdf_header_t *h)
1071 {
1072 size_t i;
1073
1074 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1075 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1076 h->h_ ## b, 1 << h->h_ ## b)
1077 DUMP("%d", revision);
1078 DUMP("%d", version);
1079 DUMP("0x%x", byte_order);
1080 DUMP2("%d", sec_size_p2);
1081 DUMP2("%d", short_sec_size_p2);
1082 DUMP("%d", num_sectors_in_sat);
1083 DUMP("%d", secid_first_directory);
1084 DUMP("%d", min_size_standard_stream);
1085 DUMP("%d", secid_first_sector_in_short_sat);
1086 DUMP("%d", num_sectors_in_short_sat);
1087 DUMP("%d", secid_first_sector_in_master_sat);
1088 DUMP("%d", num_sectors_in_master_sat);
1089 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1090 if (h->h_master_sat[i] == CDF_SECID_FREE)
1091 break;
1092 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n",
1093 "master_sat", i, h->h_master_sat[i]);
1094 }
1095 }
1096
1097 void
cdf_dump_sat(const char * prefix,const cdf_sat_t * sat,size_t size)1098 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1099 {
1100 size_t i, j, s = size / sizeof(cdf_secid_t);
1101
1102 for (i = 0; i < sat->sat_len; i++) {
1103 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1104 SIZE_T_FORMAT "u: ", prefix, i, i * s);
1105 for (j = 0; j < s; j++) {
1106 (void)fprintf(stderr, "%5d, ",
1107 CDF_TOLE4(sat->sat_tab[s * i + j]));
1108 if ((j + 1) % 10 == 0)
1109 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1110 "u: ", i * s + j + 1);
1111 }
1112 (void)fprintf(stderr, "\n");
1113 }
1114 }
1115
1116 void
cdf_dump(void * v,size_t len)1117 cdf_dump(void *v, size_t len)
1118 {
1119 size_t i, j;
1120 unsigned char *p = v;
1121 char abuf[16];
1122 (void)fprintf(stderr, "%.4x: ", 0);
1123 for (i = 0, j = 0; i < len; i++, p++) {
1124 (void)fprintf(stderr, "%.2x ", *p);
1125 abuf[j++] = isprint(*p) ? *p : '.';
1126 if (j == 16) {
1127 j = 0;
1128 abuf[15] = '\0';
1129 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1130 abuf, i + 1);
1131 }
1132 }
1133 (void)fprintf(stderr, "\n");
1134 }
1135
1136 void
cdf_dump_stream(const cdf_header_t * h,const cdf_stream_t * sst)1137 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1138 {
1139 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1140 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1141 cdf_dump(sst->sst_tab, ss * sst->sst_len);
1142 }
1143
1144 void
cdf_dump_dir(const cdf_info_t * info,const cdf_header_t * h,const cdf_sat_t * sat,const cdf_sat_t * ssat,const cdf_stream_t * sst,const cdf_dir_t * dir)1145 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1146 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1147 const cdf_dir_t *dir)
1148 {
1149 size_t i, j;
1150 cdf_directory_t *d;
1151 char name[__arraycount(d->d_name)];
1152 cdf_stream_t scn;
1153 struct timeval ts;
1154
1155 static const char *types[] = { "empty", "user storage",
1156 "user stream", "lockbytes", "property", "root storage" };
1157
1158 for (i = 0; i < dir->dir_len; i++) {
1159 d = &dir->dir_tab[i];
1160 for (j = 0; j < sizeof(name); j++)
1161 name[j] = (char)CDF_TOLE2(d->d_name[j]);
1162 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1163 i, name);
1164 if (d->d_type < __arraycount(types))
1165 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1166 else
1167 (void)fprintf(stderr, "Type: %d\n", d->d_type);
1168 (void)fprintf(stderr, "Color: %s\n",
1169 d->d_color ? "black" : "red");
1170 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1171 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1172 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1173 cdf_timestamp_to_timespec(&ts, d->d_created);
1174 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec));
1175 cdf_timestamp_to_timespec(&ts, d->d_modified);
1176 (void)fprintf(stderr, "Modified %s", cdf_ctime(&ts.tv_sec));
1177 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1178 (void)fprintf(stderr, "Size %d\n", d->d_size);
1179 switch (d->d_type) {
1180 case CDF_DIR_TYPE_USER_STORAGE:
1181 (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1182 break;
1183 case CDF_DIR_TYPE_USER_STREAM:
1184 if (sst == NULL)
1185 break;
1186 if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1187 d->d_stream_first_sector, d->d_size, &scn) == -1) {
1188 warn("Can't read stream for %s at %d len %d",
1189 name, d->d_stream_first_sector, d->d_size);
1190 break;
1191 }
1192 cdf_dump_stream(h, &scn);
1193 free(scn.sst_tab);
1194 break;
1195 default:
1196 break;
1197 }
1198
1199 }
1200 }
1201
1202 void
cdf_dump_property_info(const cdf_property_info_t * info,size_t count)1203 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1204 {
1205 cdf_timestamp_t tp;
1206 struct timeval ts;
1207 char buf[64];
1208 size_t i, j;
1209
1210 for (i = 0; i < count; i++) {
1211 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1212 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1213 switch (info[i].pi_type) {
1214 case CDF_NULL:
1215 break;
1216 case CDF_SIGNED16:
1217 (void)fprintf(stderr, "signed 16 [%hd]\n",
1218 info[i].pi_s16);
1219 break;
1220 case CDF_SIGNED32:
1221 (void)fprintf(stderr, "signed 32 [%d]\n",
1222 info[i].pi_s32);
1223 break;
1224 case CDF_UNSIGNED32:
1225 (void)fprintf(stderr, "unsigned 32 [%u]\n",
1226 info[i].pi_u32);
1227 break;
1228 case CDF_FLOAT:
1229 (void)fprintf(stderr, "float [%g]\n",
1230 info[i].pi_f);
1231 break;
1232 case CDF_DOUBLE:
1233 (void)fprintf(stderr, "double [%g]\n",
1234 info[i].pi_d);
1235 break;
1236 case CDF_LENGTH32_STRING:
1237 (void)fprintf(stderr, "string %u [%.*s]\n",
1238 info[i].pi_str.s_len,
1239 info[i].pi_str.s_len, info[i].pi_str.s_buf);
1240 break;
1241 case CDF_LENGTH32_WSTRING:
1242 (void)fprintf(stderr, "string %u [",
1243 info[i].pi_str.s_len);
1244 for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1245 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1246 (void)fprintf(stderr, "]\n");
1247 break;
1248 case CDF_FILETIME:
1249 tp = info[i].pi_tp;
1250 #if defined(PHP_WIN32) && _MSC_VER <= 1500
1251 if (tp < 1000000000000000i64) {
1252 #else
1253 if (tp < 1000000000000000LL) {
1254 #endif
1255 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1256 (void)fprintf(stderr, "timestamp %s\n", buf);
1257 } else {
1258 cdf_timestamp_to_timespec(&ts, tp);
1259 (void)fprintf(stderr, "timestamp %s",
1260 cdf_ctime(&ts.tv_sec));
1261 }
1262 break;
1263 case CDF_CLIPBOARD:
1264 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1265 break;
1266 default:
1267 DPRINTF(("Don't know how to deal with %x\n",
1268 info[i].pi_type));
1269 break;
1270 }
1271 }
1272 }
1273
1274
1275 void
1276 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1277 {
1278 char buf[128];
1279 cdf_summary_info_header_t ssi;
1280 cdf_property_info_t *info;
1281 size_t count;
1282
1283 (void)&h;
1284 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1285 return;
1286 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1287 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1288 ssi.si_os_version >> 8);
1289 (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1290 cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1291 (void)fprintf(stderr, "Class %s\n", buf);
1292 (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1293 cdf_dump_property_info(info, count);
1294 free(info);
1295 }
1296
1297 #endif
1298
1299 #ifdef TEST
1300 int
1301 main(int argc, char *argv[])
1302 {
1303 int i;
1304 cdf_header_t h;
1305 cdf_sat_t sat, ssat;
1306 cdf_stream_t sst, scn;
1307 cdf_dir_t dir;
1308 cdf_info_t info;
1309
1310 if (argc < 2) {
1311 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1312 return -1;
1313 }
1314
1315 info.i_buf = NULL;
1316 info.i_len = 0;
1317 for (i = 1; i < argc; i++) {
1318 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1319 err(1, "Cannot open `%s'", argv[1]);
1320
1321 if (cdf_read_header(&info, &h) == -1)
1322 err(1, "Cannot read header");
1323 #ifdef CDF_DEBUG
1324 cdf_dump_header(&h);
1325 #endif
1326
1327 if (cdf_read_sat(&info, &h, &sat) == -1)
1328 err(1, "Cannot read sat");
1329 #ifdef CDF_DEBUG
1330 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1331 #endif
1332
1333 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1334 err(1, "Cannot read ssat");
1335 #ifdef CDF_DEBUG
1336 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1337 #endif
1338
1339 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1340 err(1, "Cannot read dir");
1341
1342 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
1343 err(1, "Cannot read short stream");
1344 #ifdef CDF_DEBUG
1345 cdf_dump_stream(&h, &sst);
1346 #endif
1347
1348 #ifdef CDF_DEBUG
1349 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1350 #endif
1351
1352
1353 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1354 &scn) == -1)
1355 err(1, "Cannot read summary info");
1356 #ifdef CDF_DEBUG
1357 cdf_dump_summary_info(&h, &scn);
1358 #endif
1359
1360 (void)close(info.i_fd);
1361 }
1362
1363 return 0;
1364 }
1365 #endif
1366
