2 * Copyright (c) 2008 Christos Zoulas
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
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
31 * N.B. This is the "Composite Document File" format, and not the
32 * "Compound Document Format", nor the "Channel Definition Format".
38 FILE_RCSID("@(#)$File: cdf.c,v 1.76 2015/02/28 00:18:02 christos Exp $")
61 #define DPRINTF(a) printf a, fflush(stdout)
71 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304)
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)
88 _cdf_tole2(uint16_t sv)
91 uint8_t *s = (uint8_t *)(void *)&sv;
92 uint8_t *d = (uint8_t *)(void *)&rv;
102 _cdf_tole4(uint32_t sv)
105 uint8_t *s = (uint8_t *)(void *)&sv;
106 uint8_t *d = (uint8_t *)(void *)&rv;
118 _cdf_tole8(uint64_t sv)
121 uint8_t *s = (uint8_t *)(void *)&sv;
122 uint8_t *d = (uint8_t *)(void *)&rv;
135 * grab a uint32_t from a possibly unaligned address, and return it in
136 * the native host order.
139 cdf_getuint32(const uint8_t *p, size_t offs)
142 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
143 return CDF_TOLE4(rv);
146 #define CDF_UNPACK(a) \
147 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
148 #define CDF_UNPACKA(a) \
149 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
152 cdf_tole2(uint16_t sv)
154 return CDF_TOLE2(sv);
158 cdf_tole4(uint32_t sv)
160 return CDF_TOLE4(sv);
164 cdf_tole8(uint64_t sv)
166 return CDF_TOLE8(sv);
170 cdf_swap_header(cdf_header_t *h)
174 h->h_magic = CDF_TOLE8(h->h_magic);
175 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
176 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
177 h->h_revision = CDF_TOLE2(h->h_revision);
178 h->h_version = CDF_TOLE2(h->h_version);
179 h->h_byte_order = CDF_TOLE2(h->h_byte_order);
180 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
181 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
182 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
183 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
184 h->h_min_size_standard_stream =
185 CDF_TOLE4(h->h_min_size_standard_stream);
186 h->h_secid_first_sector_in_short_sat =
187 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
188 h->h_num_sectors_in_short_sat =
189 CDF_TOLE4(h->h_num_sectors_in_short_sat);
190 h->h_secid_first_sector_in_master_sat =
191 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
192 h->h_num_sectors_in_master_sat =
193 CDF_TOLE4(h->h_num_sectors_in_master_sat);
194 for (i = 0; i < __arraycount(h->h_master_sat); i++)
195 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
199 cdf_unpack_header(cdf_header_t *h, char *buf)
204 CDF_UNPACK(h->h_magic);
205 CDF_UNPACKA(h->h_uuid);
206 CDF_UNPACK(h->h_revision);
207 CDF_UNPACK(h->h_version);
208 CDF_UNPACK(h->h_byte_order);
209 CDF_UNPACK(h->h_sec_size_p2);
210 CDF_UNPACK(h->h_short_sec_size_p2);
211 CDF_UNPACKA(h->h_unused0);
212 CDF_UNPACK(h->h_num_sectors_in_sat);
213 CDF_UNPACK(h->h_secid_first_directory);
214 CDF_UNPACKA(h->h_unused1);
215 CDF_UNPACK(h->h_min_size_standard_stream);
216 CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
217 CDF_UNPACK(h->h_num_sectors_in_short_sat);
218 CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
219 CDF_UNPACK(h->h_num_sectors_in_master_sat);
220 for (i = 0; i < __arraycount(h->h_master_sat); i++)
221 CDF_UNPACK(h->h_master_sat[i]);
225 cdf_swap_dir(cdf_directory_t *d)
227 d->d_namelen = CDF_TOLE2(d->d_namelen);
228 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
229 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
230 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
231 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
232 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
233 d->d_flags = CDF_TOLE4(d->d_flags);
234 d->d_created = CDF_TOLE8((uint64_t)d->d_created);
235 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
236 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
237 d->d_size = CDF_TOLE4(d->d_size);
241 cdf_swap_class(cdf_classid_t *d)
243 d->cl_dword = CDF_TOLE4(d->cl_dword);
244 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
245 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
249 cdf_unpack_dir(cdf_directory_t *d, char *buf)
253 CDF_UNPACKA(d->d_name);
254 CDF_UNPACK(d->d_namelen);
255 CDF_UNPACK(d->d_type);
256 CDF_UNPACK(d->d_color);
257 CDF_UNPACK(d->d_left_child);
258 CDF_UNPACK(d->d_right_child);
259 CDF_UNPACK(d->d_storage);
260 CDF_UNPACKA(d->d_storage_uuid);
261 CDF_UNPACK(d->d_flags);
262 CDF_UNPACK(d->d_created);
263 CDF_UNPACK(d->d_modified);
264 CDF_UNPACK(d->d_stream_first_sector);
265 CDF_UNPACK(d->d_size);
266 CDF_UNPACK(d->d_unused0);
270 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
271 const void *p, size_t tail, int line)
273 const char *b = (const char *)sst->sst_tab;
274 const char *e = ((const char *)p) + tail;
275 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
276 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
277 /*LINTED*/(void)&line;
278 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
280 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
281 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
282 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
283 ss * sst->sst_len, ss, sst->sst_len));
289 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
291 size_t siz = (size_t)off + len;
293 if ((off_t)(off + len) != (off_t)siz) {
298 if (info->i_buf != NULL && info->i_len >= siz) {
299 (void)memcpy(buf, &info->i_buf[off], len);
303 if (info->i_fd == -1)
306 if (pread(info->i_fd, buf, len, off) != (ssize_t)len)
313 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
317 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
318 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
320 cdf_unpack_header(h, buf);
322 if (h->h_magic != CDF_MAGIC) {
323 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
324 INT64_T_FORMAT "x\n",
325 (unsigned long long)h->h_magic,
326 (unsigned long long)CDF_MAGIC));
329 if (h->h_sec_size_p2 > 20) {
330 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
333 if (h->h_short_sec_size_p2 > 20) {
334 DPRINTF(("Bad short sector size 0x%u\n",
335 h->h_short_sec_size_p2));
346 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
347 const cdf_header_t *h, cdf_secid_t id)
349 size_t ss = CDF_SEC_SIZE(h);
350 size_t pos = CDF_SEC_POS(h, id);
352 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
356 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
357 size_t len, const cdf_header_t *h, cdf_secid_t id)
359 size_t ss = CDF_SHORT_SEC_SIZE(h);
360 size_t pos = CDF_SHORT_SEC_POS(h, id);
362 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
363 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
365 pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
368 (void)memcpy(((char *)buf) + offs,
369 ((const char *)sst->sst_tab) + pos, len);
374 * Read the sector allocation table.
377 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
380 size_t ss = CDF_SEC_SIZE(h);
381 cdf_secid_t *msa, mid, sec;
382 size_t nsatpersec = (ss / sizeof(mid)) - 1;
384 for (i = 0; i < __arraycount(h->h_master_sat); i++)
385 if (h->h_master_sat[i] == CDF_SECID_FREE)
388 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
389 if ((nsatpersec > 0 &&
390 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
392 DPRINTF(("Number of sectors in master SAT too big %u %"
393 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
398 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
399 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
401 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
405 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
406 if (h->h_master_sat[i] < 0)
408 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
409 h->h_master_sat[i]) != (ssize_t)ss) {
410 DPRINTF(("Reading sector %d", h->h_master_sat[i]));
415 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
418 mid = h->h_secid_first_sector_in_master_sat;
419 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
422 if (j >= CDF_LOOP_LIMIT) {
423 DPRINTF(("Reading master sector loop limit"));
427 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
428 DPRINTF(("Reading master sector %d", mid));
431 for (k = 0; k < nsatpersec; k++, i++) {
432 sec = CDF_TOLE4((uint32_t)msa[k]);
435 if (i >= sat->sat_len) {
436 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
437 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
441 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
442 sec) != (ssize_t)ss) {
443 DPRINTF(("Reading sector %d",
448 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
462 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
465 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
466 / sizeof(maxsector));
469 if (sid == CDF_SECID_END_OF_CHAIN) {
470 /* 0-length chain. */
471 DPRINTF((" empty\n"));
475 for (j = i = 0; sid >= 0; i++, j++) {
476 DPRINTF((" %d", sid));
477 if (j >= CDF_LOOP_LIMIT) {
478 DPRINTF(("Counting chain loop limit"));
482 if (sid >= maxsector) {
483 DPRINTF(("Sector %d >= %d\n", sid, maxsector));
487 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
490 DPRINTF((" none, sid: %d\n", sid));
499 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
500 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
502 size_t ss = CDF_SEC_SIZE(h), i, j;
504 scn->sst_len = cdf_count_chain(sat, sid, ss);
505 scn->sst_dirlen = len;
507 if (scn->sst_len == (size_t)-1)
510 scn->sst_tab = calloc(scn->sst_len, ss);
511 if (scn->sst_tab == NULL)
514 for (j = i = 0; sid >= 0; i++, j++) {
515 if (j >= CDF_LOOP_LIMIT) {
516 DPRINTF(("Read long sector chain loop limit"));
520 if (i >= scn->sst_len) {
521 DPRINTF(("Out of bounds reading long sector chain "
522 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
527 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
528 sid)) != (ssize_t)ss) {
529 if (i == scn->sst_len - 1 && nr > 0) {
530 /* Last sector might be truncated */
533 DPRINTF(("Reading long sector chain %d", sid));
536 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
545 cdf_read_short_sector_chain(const cdf_header_t *h,
546 const cdf_sat_t *ssat, const cdf_stream_t *sst,
547 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
549 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
550 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
551 scn->sst_dirlen = len;
553 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
556 scn->sst_tab = calloc(scn->sst_len, ss);
557 if (scn->sst_tab == NULL)
560 for (j = i = 0; sid >= 0; i++, j++) {
561 if (j >= CDF_LOOP_LIMIT) {
562 DPRINTF(("Read short sector chain loop limit"));
566 if (i >= scn->sst_len) {
567 DPRINTF(("Out of bounds reading short sector chain "
568 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
573 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
574 sid) != (ssize_t)ss) {
575 DPRINTF(("Reading short sector chain %d", sid));
578 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
587 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
588 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
589 cdf_secid_t sid, size_t len, cdf_stream_t *scn)
592 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
593 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
596 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
600 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
601 const cdf_sat_t *sat, cdf_dir_t *dir)
604 size_t ss = CDF_SEC_SIZE(h), ns, nd;
606 cdf_secid_t sid = h->h_secid_first_directory;
608 ns = cdf_count_chain(sat, sid, ss);
609 if (ns == (size_t)-1)
612 nd = ss / CDF_DIRECTORY_SIZE;
614 dir->dir_len = ns * nd;
615 dir->dir_tab = CAST(cdf_directory_t *,
616 calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
617 if (dir->dir_tab == NULL)
620 if ((buf = CAST(char *, malloc(ss))) == NULL) {
625 for (j = i = 0; i < ns; i++, j++) {
626 if (j >= CDF_LOOP_LIMIT) {
627 DPRINTF(("Read dir loop limit"));
631 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
632 DPRINTF(("Reading directory sector %d", sid));
635 for (j = 0; j < nd; j++) {
636 cdf_unpack_dir(&dir->dir_tab[i * nd + j],
637 &buf[j * CDF_DIRECTORY_SIZE]);
639 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
642 for (i = 0; i < dir->dir_len; i++)
643 cdf_swap_dir(&dir->dir_tab[i]);
654 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
655 const cdf_sat_t *sat, cdf_sat_t *ssat)
658 size_t ss = CDF_SEC_SIZE(h);
659 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
661 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
662 if (ssat->sat_len == (size_t)-1)
665 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
666 if (ssat->sat_tab == NULL)
669 for (j = i = 0; sid >= 0; i++, j++) {
670 if (j >= CDF_LOOP_LIMIT) {
671 DPRINTF(("Read short sat sector loop limit"));
675 if (i >= ssat->sat_len) {
676 DPRINTF(("Out of bounds reading short sector chain "
677 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
682 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
684 DPRINTF(("Reading short sat sector %d", sid));
687 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
696 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
697 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn,
698 const cdf_directory_t **root)
701 const cdf_directory_t *d;
704 for (i = 0; i < dir->dir_len; i++)
705 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
708 /* If the it is not there, just fake it; some docs don't have it */
709 if (i == dir->dir_len)
711 d = &dir->dir_tab[i];
714 /* If the it is not there, just fake it; some docs don't have it */
715 if (d->d_stream_first_sector < 0)
718 return cdf_read_long_sector_chain(info, h, sat,
719 d->d_stream_first_sector, d->d_size, scn);
728 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
730 for (; l--; d++, s++)
731 if (*d != CDF_TOLE2(*s))
732 return (unsigned char)*d - CDF_TOLE2(*s);
737 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
738 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
739 const cdf_dir_t *dir, cdf_stream_t *scn)
741 return cdf_read_user_stream(info, h, sat, ssat, sst, dir,
742 "\05SummaryInformation", scn);
746 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h,
747 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
748 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn)
750 const cdf_directory_t *d;
751 int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM);
756 d = &dir->dir_tab[i - 1];
757 return cdf_read_sector_chain(info, h, sat, ssat, sst,
758 d->d_stream_first_sector, d->d_size, scn);
762 cdf_find_stream(const cdf_dir_t *dir, const char *name, int type)
764 size_t i, name_len = strlen(name) + 1;
766 for (i = dir->dir_len; i > 0; i--)
767 if (dir->dir_tab[i - 1].d_type == type &&
768 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len)
774 DPRINTF(("Cannot find type %d `%s'\n", type, name));
780 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
781 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
783 const cdf_section_header_t *shp;
784 cdf_section_header_t sh;
785 const uint8_t *p, *q, *e;
792 size_t i, o, o4, nelements, j;
793 cdf_property_info_t *inp;
795 if (offs > UINT32_MAX / 4) {
799 shp = CAST(const cdf_section_header_t *, (const void *)
800 ((const char *)sst->sst_tab + offs));
801 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
803 sh.sh_len = CDF_TOLE4(shp->sh_len);
804 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
805 if (sh.sh_len > CDF_SHLEN_LIMIT) {
809 sh.sh_properties = CDF_TOLE4(shp->sh_properties);
810 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
811 if (sh.sh_properties > CDF_PROP_LIMIT)
813 DPRINTF(("section len: %u properties %u\n", sh.sh_len,
816 if (*maxcount > CDF_PROP_LIMIT)
818 *maxcount += sh.sh_properties;
819 inp = CAST(cdf_property_info_t *,
820 realloc(*info, *maxcount * sizeof(*inp)));
822 *maxcount = sh.sh_properties;
823 inp = CAST(cdf_property_info_t *,
824 malloc(*maxcount * sizeof(*inp)));
830 *count += sh.sh_properties;
831 p = CAST(const uint8_t *, (const void *)
832 ((const char *)(const void *)sst->sst_tab +
834 e = CAST(const uint8_t *, (const void *)
835 (((const char *)(const void *)shp) + sh.sh_len));
836 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
838 for (i = 0; i < sh.sh_properties; i++) {
839 size_t tail = (i << 1) + 1;
841 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t),
844 ofs = CDF_GETUINT32(p, tail);
845 q = (const uint8_t *)(const void *)
846 ((const char *)(const void *)p + ofs
847 - 2 * sizeof(uint32_t));
849 DPRINTF(("Wrapped around %p < %p\n", q, p));
853 DPRINTF(("Ran of the end %p > %p\n", q, e));
856 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
857 inp[i].pi_type = CDF_GETUINT32(q, 0);
858 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
859 i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
860 if (inp[i].pi_type & CDF_VECTOR) {
861 nelements = CDF_GETUINT32(q, 1);
862 if (nelements == 0) {
863 DPRINTF(("CDF_VECTOR with nelements == 0\n"));
871 o4 = o * sizeof(uint32_t);
872 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
874 switch (inp[i].pi_type & CDF_TYPEMASK) {
879 if (inp[i].pi_type & CDF_VECTOR)
881 (void)memcpy(&s16, &q[o4], sizeof(s16));
882 inp[i].pi_s16 = CDF_TOLE2(s16);
885 if (inp[i].pi_type & CDF_VECTOR)
887 (void)memcpy(&s32, &q[o4], sizeof(s32));
888 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
892 if (inp[i].pi_type & CDF_VECTOR)
894 (void)memcpy(&u32, &q[o4], sizeof(u32));
895 inp[i].pi_u32 = CDF_TOLE4(u32);
898 if (inp[i].pi_type & CDF_VECTOR)
900 (void)memcpy(&s64, &q[o4], sizeof(s64));
901 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
904 if (inp[i].pi_type & CDF_VECTOR)
906 (void)memcpy(&u64, &q[o4], sizeof(u64));
907 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
910 if (inp[i].pi_type & CDF_VECTOR)
912 (void)memcpy(&u32, &q[o4], sizeof(u32));
913 u32 = CDF_TOLE4(u32);
914 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
917 if (inp[i].pi_type & CDF_VECTOR)
919 (void)memcpy(&u64, &q[o4], sizeof(u64));
920 u64 = CDF_TOLE8((uint64_t)u64);
921 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
923 case CDF_LENGTH32_STRING:
924 case CDF_LENGTH32_WSTRING:
926 size_t nelem = inp - *info;
927 if (*maxcount > CDF_PROP_LIMIT
928 || nelements > CDF_PROP_LIMIT)
930 *maxcount += nelements;
931 inp = CAST(cdf_property_info_t *,
932 realloc(*info, *maxcount * sizeof(*inp)));
938 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
940 for (j = 0; j < nelements && i < sh.sh_properties;
943 uint32_t l = CDF_GETUINT32(q, o);
944 inp[i].pi_str.s_len = l;
945 inp[i].pi_str.s_buf = (const char *)
946 (const void *)(&q[o4 + sizeof(l)]);
947 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
949 CDF_ROUND(l, sizeof(l)),
950 inp[i].pi_str.s_buf));
956 o4 = o * sizeof(uint32_t);
961 if (inp[i].pi_type & CDF_VECTOR)
963 (void)memcpy(&tp, &q[o4], sizeof(tp));
964 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
967 if (inp[i].pi_type & CDF_VECTOR)
972 DPRINTF(("Don't know how to deal with %x\n",
984 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
985 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
988 const cdf_summary_info_header_t *si =
989 CAST(const cdf_summary_info_header_t *, sst->sst_tab);
990 const cdf_section_declaration_t *sd =
991 CAST(const cdf_section_declaration_t *, (const void *)
992 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
994 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
995 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
997 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
998 ssi->si_os_version = CDF_TOLE2(si->si_os_version);
999 ssi->si_os = CDF_TOLE2(si->si_os);
1000 ssi->si_class = si->si_class;
1001 cdf_swap_class(&ssi->si_class);
1002 ssi->si_count = CDF_TOLE4(si->si_count);
1006 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info,
1007 count, &maxcount) == -1)
1013 #define extract_catalog_field(t, f, l) \
1014 if (b + l + sizeof(cep->f) > eb) { \
1015 cep->ce_namlen = 0; \
1018 memcpy(&cep->f, b + (l), sizeof(cep->f)); \
1019 ce[i].f = CAST(t, CDF_TOLE(cep->f))
1022 cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst,
1023 cdf_catalog_t **cat)
1025 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1026 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1027 const char *b = CAST(const char *, sst->sst_tab);
1028 const char *eb = b + ss * sst->sst_len;
1030 cdf_catalog_entry_t *ce;
1034 for (nr = 0;; nr++) {
1035 memcpy(&reclen, b, sizeof(reclen));
1036 reclen = CDF_TOLE2(reclen);
1044 *cat = CAST(cdf_catalog_t *,
1045 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce)));
1047 memset(ce, 0, nr * sizeof(*ce));
1048 b = CAST(const char *, sst->sst_tab);
1049 for (j = i = 0; i < nr; b += reclen) {
1050 cdf_catalog_entry_t *cep = &ce[j];
1053 extract_catalog_field(uint16_t, ce_namlen, 0);
1054 extract_catalog_field(uint16_t, ce_num, 4);
1055 extract_catalog_field(uint64_t, ce_timestamp, 8);
1056 reclen = cep->ce_namlen;
1063 cep->ce_namlen = __arraycount(cep->ce_name) - 1;
1065 if (cep->ce_namlen > rlen)
1066 cep->ce_namlen = rlen;
1068 np = CAST(const uint16_t *, CAST(const void *, (b + 16)));
1069 if (CAST(const char *, np + cep->ce_namlen) > eb) {
1074 for (k = 0; k < cep->ce_namlen; k++)
1075 cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */
1076 cep->ce_name[cep->ce_namlen] = 0;
1080 (*cat)->cat_num = j;
1085 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
1087 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
1088 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
1089 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
1090 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
1094 static const struct {
1098 { CDF_PROPERTY_CODE_PAGE, "Code page" },
1099 { CDF_PROPERTY_TITLE, "Title" },
1100 { CDF_PROPERTY_SUBJECT, "Subject" },
1101 { CDF_PROPERTY_AUTHOR, "Author" },
1102 { CDF_PROPERTY_KEYWORDS, "Keywords" },
1103 { CDF_PROPERTY_COMMENTS, "Comments" },
1104 { CDF_PROPERTY_TEMPLATE, "Template" },
1105 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
1106 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
1107 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
1108 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
1109 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
1110 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
1111 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
1112 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
1113 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1114 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1115 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1116 { CDF_PROPERTY_SECURITY, "Security" },
1117 { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1121 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1125 for (i = 0; i < __arraycount(vn); i++)
1127 return snprintf(buf, bufsiz, "%s", vn[i].n);
1128 return snprintf(buf, bufsiz, "0x%x", p);
1132 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1135 int days, hours, mins, secs;
1137 ts /= CDF_TIME_PREC;
1138 secs = (int)(ts % 60);
1140 mins = (int)(ts % 60);
1142 hours = (int)(ts % 24);
1147 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1148 if ((size_t)len >= bufsiz)
1152 if (days || hours) {
1153 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1154 if ((size_t)len >= bufsiz)
1158 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1159 if ((size_t)len >= bufsiz)
1162 len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1167 cdf_u16tos8(char *buf, size_t len, const uint16_t *p)
1170 for (i = 0; i < len && p[i]; i++)
1171 buf[i] = (char)p[i];
1178 cdf_dump_header(const cdf_header_t *h)
1182 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1183 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1184 h->h_ ## b, 1 << h->h_ ## b)
1185 DUMP("%d", revision);
1186 DUMP("%d", version);
1187 DUMP("0x%x", byte_order);
1188 DUMP2("%d", sec_size_p2);
1189 DUMP2("%d", short_sec_size_p2);
1190 DUMP("%d", num_sectors_in_sat);
1191 DUMP("%d", secid_first_directory);
1192 DUMP("%d", min_size_standard_stream);
1193 DUMP("%d", secid_first_sector_in_short_sat);
1194 DUMP("%d", num_sectors_in_short_sat);
1195 DUMP("%d", secid_first_sector_in_master_sat);
1196 DUMP("%d", num_sectors_in_master_sat);
1197 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1198 if (h->h_master_sat[i] == CDF_SECID_FREE)
1200 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n",
1201 "master_sat", i, h->h_master_sat[i]);
1206 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1208 size_t i, j, s = size / sizeof(cdf_secid_t);
1210 for (i = 0; i < sat->sat_len; i++) {
1211 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1212 SIZE_T_FORMAT "u: ", prefix, i, i * s);
1213 for (j = 0; j < s; j++) {
1214 (void)fprintf(stderr, "%5d, ",
1215 CDF_TOLE4(sat->sat_tab[s * i + j]));
1216 if ((j + 1) % 10 == 0)
1217 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1218 "u: ", i * s + j + 1);
1220 (void)fprintf(stderr, "\n");
1225 cdf_dump(const void *v, size_t len)
1228 const unsigned char *p = v;
1231 (void)fprintf(stderr, "%.4x: ", 0);
1232 for (i = 0, j = 0; i < len; i++, p++) {
1233 (void)fprintf(stderr, "%.2x ", *p);
1234 abuf[j++] = isprint(*p) ? *p : '.';
1238 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1242 (void)fprintf(stderr, "\n");
1246 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1248 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1249 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1250 cdf_dump(sst->sst_tab, ss * sst->sst_len);
1254 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1255 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1256 const cdf_dir_t *dir)
1260 char name[__arraycount(d->d_name)];
1264 static const char *types[] = { "empty", "user storage",
1265 "user stream", "lockbytes", "property", "root storage" };
1267 for (i = 0; i < dir->dir_len; i++) {
1269 d = &dir->dir_tab[i];
1270 for (j = 0; j < sizeof(name); j++)
1271 name[j] = (char)CDF_TOLE2(d->d_name[j]);
1272 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1274 if (d->d_type < __arraycount(types))
1275 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1277 (void)fprintf(stderr, "Type: %d\n", d->d_type);
1278 (void)fprintf(stderr, "Color: %s\n",
1279 d->d_color ? "black" : "red");
1280 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1281 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1282 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1283 cdf_timestamp_to_timespec(&ts, d->d_created);
1284 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf));
1285 cdf_timestamp_to_timespec(&ts, d->d_modified);
1286 (void)fprintf(stderr, "Modified %s",
1287 cdf_ctime(&ts.tv_sec, buf));
1288 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1289 (void)fprintf(stderr, "Size %d\n", d->d_size);
1290 switch (d->d_type) {
1291 case CDF_DIR_TYPE_USER_STORAGE:
1292 (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1294 case CDF_DIR_TYPE_USER_STREAM:
1297 if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1298 d->d_stream_first_sector, d->d_size, &scn) == -1) {
1299 warn("Can't read stream for %s at %d len %d",
1300 name, d->d_stream_first_sector, d->d_size);
1303 cdf_dump_stream(h, &scn);
1314 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1321 for (i = 0; i < count; i++) {
1322 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1323 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1324 switch (info[i].pi_type) {
1328 (void)fprintf(stderr, "signed 16 [%hd]\n",
1332 (void)fprintf(stderr, "signed 32 [%d]\n",
1335 case CDF_UNSIGNED32:
1336 (void)fprintf(stderr, "unsigned 32 [%u]\n",
1340 (void)fprintf(stderr, "float [%g]\n",
1344 (void)fprintf(stderr, "double [%g]\n",
1347 case CDF_LENGTH32_STRING:
1348 (void)fprintf(stderr, "string %u [%.*s]\n",
1349 info[i].pi_str.s_len,
1350 info[i].pi_str.s_len, info[i].pi_str.s_buf);
1352 case CDF_LENGTH32_WSTRING:
1353 (void)fprintf(stderr, "string %u [",
1354 info[i].pi_str.s_len);
1355 for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1356 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1357 (void)fprintf(stderr, "]\n");
1361 if (tp < 1000000000000000LL) {
1362 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1363 (void)fprintf(stderr, "timestamp %s\n", buf);
1366 cdf_timestamp_to_timespec(&ts, tp);
1367 (void)fprintf(stderr, "timestamp %s",
1368 cdf_ctime(&ts.tv_sec, tbuf));
1372 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1375 DPRINTF(("Don't know how to deal with %x\n",
1384 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1387 cdf_summary_info_header_t ssi;
1388 cdf_property_info_t *info;
1392 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1394 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1395 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1396 ssi.si_os_version >> 8);
1397 (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1398 cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1399 (void)fprintf(stderr, "Class %s\n", buf);
1400 (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1401 cdf_dump_property_info(info, count);
1407 cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst)
1410 cdf_unpack_catalog(h, sst, &cat);
1411 const cdf_catalog_entry_t *ce = cat->cat_e;
1413 char tbuf[64], sbuf[256];
1416 printf("Catalog:\n");
1417 for (i = 0; i < cat->cat_num; i++) {
1418 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp);
1419 printf("\t%d %s %s", ce[i].ce_num,
1420 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name),
1421 cdf_ctime(&ts.tv_sec, tbuf));
1430 main(int argc, char *argv[])
1434 cdf_sat_t sat, ssat;
1435 cdf_stream_t sst, scn;
1438 const cdf_directory_t *root;
1440 #define getprogname() __progname
1441 extern char *__progname;
1444 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1450 for (i = 1; i < argc; i++) {
1451 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1452 err(1, "Cannot open `%s'", argv[1]);
1454 if (cdf_read_header(&info, &h) == -1)
1455 err(1, "Cannot read header");
1457 cdf_dump_header(&h);
1460 if (cdf_read_sat(&info, &h, &sat) == -1)
1461 err(1, "Cannot read sat");
1463 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1466 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1467 err(1, "Cannot read ssat");
1469 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1472 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1473 err(1, "Cannot read dir");
1475 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root)
1477 err(1, "Cannot read short stream");
1479 cdf_dump_stream(&h, &sst);
1483 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1487 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1489 warn("Cannot read summary info");
1492 cdf_dump_summary_info(&h, &scn);
1494 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst,
1495 &dir, "Catalog", &scn) == -1)
1496 warn("Cannot read catalog");
1499 cdf_dump_catalog(&h, &scn);
1502 (void)close(info.i_fd);