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 1.69 2014/12/04 15:56:46 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) (sizeof(x) == 2 ? CDF_TOLE2(x) : (sizeof(x) == 4 ? \
77 CDF_TOLE4(x) : CDF_TOLE8(x)))
78 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y)
85 _cdf_tole2(uint16_t sv)
88 uint8_t *s = (uint8_t *)(void *)&sv;
89 uint8_t *d = (uint8_t *)(void *)&rv;
99 _cdf_tole4(uint32_t sv)
102 uint8_t *s = (uint8_t *)(void *)&sv;
103 uint8_t *d = (uint8_t *)(void *)&rv;
115 _cdf_tole8(uint64_t sv)
118 uint8_t *s = (uint8_t *)(void *)&sv;
119 uint8_t *d = (uint8_t *)(void *)&rv;
132 * grab a uint32_t from a possibly unaligned address, and return it in
133 * the native host order.
136 cdf_getuint32(const uint8_t *p, size_t offs)
139 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
140 return CDF_TOLE4(rv);
143 #define CDF_UNPACK(a) \
144 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
145 #define CDF_UNPACKA(a) \
146 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
149 cdf_tole2(uint16_t sv)
151 return CDF_TOLE2(sv);
155 cdf_tole4(uint32_t sv)
157 return CDF_TOLE4(sv);
161 cdf_tole8(uint64_t sv)
163 return CDF_TOLE8(sv);
167 cdf_swap_header(cdf_header_t *h)
171 h->h_magic = CDF_TOLE8(h->h_magic);
172 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
173 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
174 h->h_revision = CDF_TOLE2(h->h_revision);
175 h->h_version = CDF_TOLE2(h->h_version);
176 h->h_byte_order = CDF_TOLE2(h->h_byte_order);
177 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
178 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
179 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
180 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
181 h->h_min_size_standard_stream =
182 CDF_TOLE4(h->h_min_size_standard_stream);
183 h->h_secid_first_sector_in_short_sat =
184 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
185 h->h_num_sectors_in_short_sat =
186 CDF_TOLE4(h->h_num_sectors_in_short_sat);
187 h->h_secid_first_sector_in_master_sat =
188 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
189 h->h_num_sectors_in_master_sat =
190 CDF_TOLE4(h->h_num_sectors_in_master_sat);
191 for (i = 0; i < __arraycount(h->h_master_sat); i++)
192 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
196 cdf_unpack_header(cdf_header_t *h, char *buf)
201 CDF_UNPACK(h->h_magic);
202 CDF_UNPACKA(h->h_uuid);
203 CDF_UNPACK(h->h_revision);
204 CDF_UNPACK(h->h_version);
205 CDF_UNPACK(h->h_byte_order);
206 CDF_UNPACK(h->h_sec_size_p2);
207 CDF_UNPACK(h->h_short_sec_size_p2);
208 CDF_UNPACKA(h->h_unused0);
209 CDF_UNPACK(h->h_num_sectors_in_sat);
210 CDF_UNPACK(h->h_secid_first_directory);
211 CDF_UNPACKA(h->h_unused1);
212 CDF_UNPACK(h->h_min_size_standard_stream);
213 CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
214 CDF_UNPACK(h->h_num_sectors_in_short_sat);
215 CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
216 CDF_UNPACK(h->h_num_sectors_in_master_sat);
217 for (i = 0; i < __arraycount(h->h_master_sat); i++)
218 CDF_UNPACK(h->h_master_sat[i]);
222 cdf_swap_dir(cdf_directory_t *d)
224 d->d_namelen = CDF_TOLE2(d->d_namelen);
225 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
226 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
227 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
228 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
229 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
230 d->d_flags = CDF_TOLE4(d->d_flags);
231 d->d_created = CDF_TOLE8((uint64_t)d->d_created);
232 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
233 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
234 d->d_size = CDF_TOLE4(d->d_size);
238 cdf_swap_class(cdf_classid_t *d)
240 d->cl_dword = CDF_TOLE4(d->cl_dword);
241 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
242 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
246 cdf_unpack_dir(cdf_directory_t *d, char *buf)
250 CDF_UNPACKA(d->d_name);
251 CDF_UNPACK(d->d_namelen);
252 CDF_UNPACK(d->d_type);
253 CDF_UNPACK(d->d_color);
254 CDF_UNPACK(d->d_left_child);
255 CDF_UNPACK(d->d_right_child);
256 CDF_UNPACK(d->d_storage);
257 CDF_UNPACKA(d->d_storage_uuid);
258 CDF_UNPACK(d->d_flags);
259 CDF_UNPACK(d->d_created);
260 CDF_UNPACK(d->d_modified);
261 CDF_UNPACK(d->d_stream_first_sector);
262 CDF_UNPACK(d->d_size);
263 CDF_UNPACK(d->d_unused0);
267 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
268 const void *p, size_t tail, int line)
270 const char *b = (const char *)sst->sst_tab;
271 const char *e = ((const char *)p) + tail;
272 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
273 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
275 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
277 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
278 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
279 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
280 ss * sst->sst_len, ss, sst->sst_len));
286 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
288 size_t siz = (size_t)off + len;
290 if ((off_t)(off + len) != (off_t)siz) {
295 if (info->i_buf != NULL && info->i_len >= siz) {
296 (void)memcpy(buf, &info->i_buf[off], len);
300 if (info->i_fd == -1)
303 if (pread(info->i_fd, buf, len, off) != (ssize_t)len)
310 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
314 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
315 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
317 cdf_unpack_header(h, buf);
319 if (h->h_magic != CDF_MAGIC) {
320 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
321 INT64_T_FORMAT "x\n",
322 (unsigned long long)h->h_magic,
323 (unsigned long long)CDF_MAGIC));
326 if (h->h_sec_size_p2 > 20) {
327 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
330 if (h->h_short_sec_size_p2 > 20) {
331 DPRINTF(("Bad short sector size 0x%u\n",
332 h->h_short_sec_size_p2));
343 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
344 const cdf_header_t *h, cdf_secid_t id)
346 size_t ss = CDF_SEC_SIZE(h);
347 size_t pos = CDF_SEC_POS(h, id);
349 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
353 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
354 size_t len, const cdf_header_t *h, cdf_secid_t id)
356 size_t ss = CDF_SHORT_SEC_SIZE(h);
357 size_t pos = CDF_SHORT_SEC_POS(h, id);
359 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
360 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
362 pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
365 (void)memcpy(((char *)buf) + offs,
366 ((const char *)sst->sst_tab) + pos, len);
371 * Read the sector allocation table.
374 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
377 size_t ss = CDF_SEC_SIZE(h);
378 cdf_secid_t *msa, mid, sec;
379 size_t nsatpersec = (ss / sizeof(mid)) - 1;
381 for (i = 0; i < __arraycount(h->h_master_sat); i++)
382 if (h->h_master_sat[i] == CDF_SECID_FREE)
385 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
386 if ((nsatpersec > 0 &&
387 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
389 DPRINTF(("Number of sectors in master SAT too big %u %"
390 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
395 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
396 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
398 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
402 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
403 if (h->h_master_sat[i] < 0)
405 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
406 h->h_master_sat[i]) != (ssize_t)ss) {
407 DPRINTF(("Reading sector %d", h->h_master_sat[i]));
412 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
415 mid = h->h_secid_first_sector_in_master_sat;
416 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
419 if (j >= CDF_LOOP_LIMIT) {
420 DPRINTF(("Reading master sector loop limit"));
424 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
425 DPRINTF(("Reading master sector %d", mid));
428 for (k = 0; k < nsatpersec; k++, i++) {
429 sec = CDF_TOLE4((uint32_t)msa[k]);
432 if (i >= sat->sat_len) {
433 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
434 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
438 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
439 sec) != (ssize_t)ss) {
440 DPRINTF(("Reading sector %d",
445 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
459 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
462 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
463 / sizeof(maxsector));
466 if (sid == CDF_SECID_END_OF_CHAIN) {
467 /* 0-length chain. */
468 DPRINTF((" empty\n"));
472 for (j = i = 0; sid >= 0; i++, j++) {
473 DPRINTF((" %d", sid));
474 if (j >= CDF_LOOP_LIMIT) {
475 DPRINTF(("Counting chain loop limit"));
479 if (sid >= maxsector) {
480 DPRINTF(("Sector %d >= %d\n", sid, maxsector));
484 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
487 DPRINTF((" none, sid: %d\n", sid));
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)
499 size_t ss = CDF_SEC_SIZE(h), i, j;
501 scn->sst_len = cdf_count_chain(sat, sid, ss);
502 scn->sst_dirlen = len;
504 if (scn->sst_len == (size_t)-1)
507 scn->sst_tab = calloc(scn->sst_len, ss);
508 if (scn->sst_tab == NULL)
511 for (j = i = 0; sid >= 0; i++, j++) {
512 if (j >= CDF_LOOP_LIMIT) {
513 DPRINTF(("Read long sector chain loop limit"));
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,
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 */
530 DPRINTF(("Reading long sector chain %d", sid));
533 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
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)
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;
550 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
553 scn->sst_tab = calloc(scn->sst_len, ss);
554 if (scn->sst_tab == NULL)
557 for (j = i = 0; sid >= 0; i++, j++) {
558 if (j >= CDF_LOOP_LIMIT) {
559 DPRINTF(("Read short sector chain loop limit"));
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",
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));
575 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
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)
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,
593 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
597 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
598 const cdf_sat_t *sat, cdf_dir_t *dir)
601 size_t ss = CDF_SEC_SIZE(h), ns, nd;
603 cdf_secid_t sid = h->h_secid_first_directory;
605 ns = cdf_count_chain(sat, sid, ss);
606 if (ns == (size_t)-1)
609 nd = ss / CDF_DIRECTORY_SIZE;
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)
617 if ((buf = CAST(char *, malloc(ss))) == NULL) {
622 for (j = i = 0; i < ns; i++, j++) {
623 if (j >= CDF_LOOP_LIMIT) {
624 DPRINTF(("Read dir loop limit"));
628 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
629 DPRINTF(("Reading directory sector %d", sid));
632 for (j = 0; j < nd; j++) {
633 cdf_unpack_dir(&dir->dir_tab[i * nd + j],
634 &buf[j * CDF_DIRECTORY_SIZE]);
636 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
639 for (i = 0; i < dir->dir_len; i++)
640 cdf_swap_dir(&dir->dir_tab[i]);
651 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
652 const cdf_sat_t *sat, cdf_sat_t *ssat)
655 size_t ss = CDF_SEC_SIZE(h);
656 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
658 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
659 if (ssat->sat_len == (size_t)-1)
662 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
663 if (ssat->sat_tab == NULL)
666 for (j = i = 0; sid >= 0; i++, j++) {
667 if (j >= CDF_LOOP_LIMIT) {
668 DPRINTF(("Read short sat sector loop limit"));
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,
679 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
681 DPRINTF(("Reading short sat sector %d", sid));
684 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
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 const cdf_directory_t **root)
698 const cdf_directory_t *d;
701 for (i = 0; i < dir->dir_len; i++)
702 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
705 /* If the it is not there, just fake it; some docs don't have it */
706 if (i == dir->dir_len)
708 d = &dir->dir_tab[i];
711 /* If the it is not there, just fake it; some docs don't have it */
712 if (d->d_stream_first_sector < 0)
715 return cdf_read_long_sector_chain(info, h, sat,
716 d->d_stream_first_sector, d->d_size, scn);
725 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
727 for (; l--; d++, s++)
728 if (*d != CDF_TOLE2(*s))
729 return (unsigned char)*d - CDF_TOLE2(*s);
734 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
735 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
736 const cdf_dir_t *dir, cdf_stream_t *scn)
738 return cdf_read_user_stream(info, h, sat, ssat, sst, dir,
739 "\05SummaryInformation", scn);
743 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h,
744 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
745 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn)
748 const cdf_directory_t *d;
749 size_t name_len = strlen(name) + 1;
751 for (i = dir->dir_len; i > 0; i--)
752 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
753 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len)
758 DPRINTF(("Cannot find user stream `%s'\n", name));
762 d = &dir->dir_tab[i - 1];
763 return cdf_read_sector_chain(info, h, sat, ssat, sst,
764 d->d_stream_first_sector, d->d_size, scn);
768 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
769 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
771 const cdf_section_header_t *shp;
772 cdf_section_header_t sh;
773 const uint8_t *p, *q, *e;
780 size_t i, o, o4, nelements, j;
781 cdf_property_info_t *inp;
783 if (offs > UINT32_MAX / 4) {
787 shp = CAST(const cdf_section_header_t *, (const void *)
788 ((const char *)sst->sst_tab + offs));
789 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
791 sh.sh_len = CDF_TOLE4(shp->sh_len);
792 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
793 if (sh.sh_len > CDF_SHLEN_LIMIT) {
797 sh.sh_properties = CDF_TOLE4(shp->sh_properties);
798 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
799 if (sh.sh_properties > CDF_PROP_LIMIT)
801 DPRINTF(("section len: %u properties %u\n", sh.sh_len,
804 if (*maxcount > CDF_PROP_LIMIT)
806 *maxcount += sh.sh_properties;
807 inp = CAST(cdf_property_info_t *,
808 realloc(*info, *maxcount * sizeof(*inp)));
810 *maxcount = sh.sh_properties;
811 inp = CAST(cdf_property_info_t *,
812 malloc(*maxcount * sizeof(*inp)));
818 *count += sh.sh_properties;
819 p = CAST(const uint8_t *, (const void *)
820 ((const char *)(const void *)sst->sst_tab +
822 e = CAST(const uint8_t *, (const void *)
823 (((const char *)(const void *)shp) + sh.sh_len));
824 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
826 for (i = 0; i < sh.sh_properties; i++) {
827 size_t tail = (i << 1) + 1;
829 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t),
832 ofs = CDF_GETUINT32(p, tail);
833 q = (const uint8_t *)(const void *)
834 ((const char *)(const void *)p + ofs
835 - 2 * sizeof(uint32_t));
837 DPRINTF(("Wrapped around %p < %p\n", q, p));
841 DPRINTF(("Ran of the end %p > %p\n", q, e));
844 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
845 inp[i].pi_type = CDF_GETUINT32(q, 0);
846 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
847 i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
848 if (inp[i].pi_type & CDF_VECTOR) {
849 nelements = CDF_GETUINT32(q, 1);
850 if (nelements == 0) {
851 DPRINTF(("CDF_VECTOR with nelements == 0\n"));
859 o4 = o * sizeof(uint32_t);
860 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
862 switch (inp[i].pi_type & CDF_TYPEMASK) {
867 if (inp[i].pi_type & CDF_VECTOR)
869 (void)memcpy(&s16, &q[o4], sizeof(s16));
870 inp[i].pi_s16 = CDF_TOLE2(s16);
873 if (inp[i].pi_type & CDF_VECTOR)
875 (void)memcpy(&s32, &q[o4], sizeof(s32));
876 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
880 if (inp[i].pi_type & CDF_VECTOR)
882 (void)memcpy(&u32, &q[o4], sizeof(u32));
883 inp[i].pi_u32 = CDF_TOLE4(u32);
886 if (inp[i].pi_type & CDF_VECTOR)
888 (void)memcpy(&s64, &q[o4], sizeof(s64));
889 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
892 if (inp[i].pi_type & CDF_VECTOR)
894 (void)memcpy(&u64, &q[o4], sizeof(u64));
895 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
898 if (inp[i].pi_type & CDF_VECTOR)
900 (void)memcpy(&u32, &q[o4], sizeof(u32));
901 u32 = CDF_TOLE4(u32);
902 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
905 if (inp[i].pi_type & CDF_VECTOR)
907 (void)memcpy(&u64, &q[o4], sizeof(u64));
908 u64 = CDF_TOLE8((uint64_t)u64);
909 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
911 case CDF_LENGTH32_STRING:
912 case CDF_LENGTH32_WSTRING:
914 size_t nelem = inp - *info;
915 if (*maxcount > CDF_PROP_LIMIT
916 || nelements > CDF_PROP_LIMIT)
918 *maxcount += nelements;
919 inp = CAST(cdf_property_info_t *,
920 realloc(*info, *maxcount * sizeof(*inp)));
926 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
928 for (j = 0; j < nelements && i < sh.sh_properties;
931 uint32_t l = CDF_GETUINT32(q, o);
932 inp[i].pi_str.s_len = l;
933 inp[i].pi_str.s_buf = (const char *)
934 (const void *)(&q[o4 + sizeof(l)]);
935 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
937 CDF_ROUND(l, sizeof(l)),
938 inp[i].pi_str.s_buf));
944 o4 = o * sizeof(uint32_t);
949 if (inp[i].pi_type & CDF_VECTOR)
951 (void)memcpy(&tp, &q[o4], sizeof(tp));
952 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
955 if (inp[i].pi_type & CDF_VECTOR)
960 DPRINTF(("Don't know how to deal with %x\n",
972 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
973 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
976 const cdf_summary_info_header_t *si =
977 CAST(const cdf_summary_info_header_t *, sst->sst_tab);
978 const cdf_section_declaration_t *sd =
979 CAST(const cdf_section_declaration_t *, (const void *)
980 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
982 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
983 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
985 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
986 ssi->si_os_version = CDF_TOLE2(si->si_os_version);
987 ssi->si_os = CDF_TOLE2(si->si_os);
988 ssi->si_class = si->si_class;
989 cdf_swap_class(&ssi->si_class);
990 ssi->si_count = CDF_TOLE4(si->si_count);
994 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info,
995 count, &maxcount) == -1)
1001 #define extract_catalog_field(f, l) \
1002 memcpy(&ce[i].f, b + (l), sizeof(ce[i].f)); \
1003 ce[i].f = CDF_TOLE(ce[i].f)
1006 cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst,
1007 cdf_catalog_t **cat)
1009 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1010 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1011 const char *b = CAST(const char *, sst->sst_tab);
1012 const char *eb = b + ss * sst->sst_len;
1014 cdf_catalog_entry_t *ce;
1018 for (nr = 0; b < eb; nr++) {
1019 memcpy(&reclen, b, sizeof(reclen));
1020 reclen = CDF_TOLE2(reclen);
1025 *cat = CAST(cdf_catalog_t *,
1026 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce)));
1027 (*cat)->cat_num = nr;
1029 b = CAST(const char *, sst->sst_tab);
1030 for (i = 0; i < nr; i++) {
1031 extract_catalog_field(ce_namlen, 0);
1032 extract_catalog_field(ce_num, 2);
1033 extract_catalog_field(ce_timestamp, 6);
1034 reclen = ce[i].ce_namlen;
1036 sizeof(ce[i].ce_name) / sizeof(ce[i].ce_name[0]) - 1;
1037 if (ce[i].ce_namlen > reclen - 14)
1038 ce[i].ce_namlen = reclen - 14;
1039 np = CAST(const uint16_t *, (b + 16));
1040 for (k = 0; k < ce[i].ce_namlen; k++) {
1041 ce[i].ce_name[k] = np[k];
1042 CDF_TOLE2(ce[i].ce_name[k]);
1044 ce[i].ce_name[ce[i].ce_namlen] = 0;
1051 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
1053 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
1054 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
1055 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
1056 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
1060 static const struct {
1064 { CDF_PROPERTY_CODE_PAGE, "Code page" },
1065 { CDF_PROPERTY_TITLE, "Title" },
1066 { CDF_PROPERTY_SUBJECT, "Subject" },
1067 { CDF_PROPERTY_AUTHOR, "Author" },
1068 { CDF_PROPERTY_KEYWORDS, "Keywords" },
1069 { CDF_PROPERTY_COMMENTS, "Comments" },
1070 { CDF_PROPERTY_TEMPLATE, "Template" },
1071 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
1072 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
1073 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
1074 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
1075 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
1076 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
1077 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
1078 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
1079 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1080 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1081 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1082 { CDF_PROPERTY_SECURITY, "Security" },
1083 { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1087 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1091 for (i = 0; i < __arraycount(vn); i++)
1093 return snprintf(buf, bufsiz, "%s", vn[i].n);
1094 return snprintf(buf, bufsiz, "0x%x", p);
1098 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1101 int days, hours, mins, secs;
1103 ts /= CDF_TIME_PREC;
1104 secs = (int)(ts % 60);
1106 mins = (int)(ts % 60);
1108 hours = (int)(ts % 24);
1113 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1114 if ((size_t)len >= bufsiz)
1118 if (days || hours) {
1119 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1120 if ((size_t)len >= bufsiz)
1124 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1125 if ((size_t)len >= bufsiz)
1128 len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1133 cdf_u16tos8(char *buf, size_t len, const uint16_t *p)
1136 for (i = 0; i < len && p[i]; i++)
1137 buf[i] = (char)p[i];
1144 cdf_dump_header(const cdf_header_t *h)
1148 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1149 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1150 h->h_ ## b, 1 << h->h_ ## b)
1151 DUMP("%d", revision);
1152 DUMP("%d", version);
1153 DUMP("0x%x", byte_order);
1154 DUMP2("%d", sec_size_p2);
1155 DUMP2("%d", short_sec_size_p2);
1156 DUMP("%d", num_sectors_in_sat);
1157 DUMP("%d", secid_first_directory);
1158 DUMP("%d", min_size_standard_stream);
1159 DUMP("%d", secid_first_sector_in_short_sat);
1160 DUMP("%d", num_sectors_in_short_sat);
1161 DUMP("%d", secid_first_sector_in_master_sat);
1162 DUMP("%d", num_sectors_in_master_sat);
1163 for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1164 if (h->h_master_sat[i] == CDF_SECID_FREE)
1166 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n",
1167 "master_sat", i, h->h_master_sat[i]);
1172 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1174 size_t i, j, s = size / sizeof(cdf_secid_t);
1176 for (i = 0; i < sat->sat_len; i++) {
1177 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1178 SIZE_T_FORMAT "u: ", prefix, i, i * s);
1179 for (j = 0; j < s; j++) {
1180 (void)fprintf(stderr, "%5d, ",
1181 CDF_TOLE4(sat->sat_tab[s * i + j]));
1182 if ((j + 1) % 10 == 0)
1183 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1184 "u: ", i * s + j + 1);
1186 (void)fprintf(stderr, "\n");
1191 cdf_dump(void *v, size_t len)
1194 unsigned char *p = v;
1196 (void)fprintf(stderr, "%.4x: ", 0);
1197 for (i = 0, j = 0; i < len; i++, p++) {
1198 (void)fprintf(stderr, "%.2x ", *p);
1199 abuf[j++] = isprint(*p) ? *p : '.';
1203 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1207 (void)fprintf(stderr, "\n");
1211 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1213 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1214 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1215 cdf_dump(sst->sst_tab, ss * sst->sst_len);
1219 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1220 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1221 const cdf_dir_t *dir)
1225 char name[__arraycount(d->d_name)];
1229 static const char *types[] = { "empty", "user storage",
1230 "user stream", "lockbytes", "property", "root storage" };
1232 for (i = 0; i < dir->dir_len; i++) {
1234 d = &dir->dir_tab[i];
1235 for (j = 0; j < sizeof(name); j++)
1236 name[j] = (char)CDF_TOLE2(d->d_name[j]);
1237 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1239 if (d->d_type < __arraycount(types))
1240 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1242 (void)fprintf(stderr, "Type: %d\n", d->d_type);
1243 (void)fprintf(stderr, "Color: %s\n",
1244 d->d_color ? "black" : "red");
1245 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1246 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1247 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1248 cdf_timestamp_to_timespec(&ts, d->d_created);
1249 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf));
1250 cdf_timestamp_to_timespec(&ts, d->d_modified);
1251 (void)fprintf(stderr, "Modified %s",
1252 cdf_ctime(&ts.tv_sec, buf));
1253 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1254 (void)fprintf(stderr, "Size %d\n", d->d_size);
1255 switch (d->d_type) {
1256 case CDF_DIR_TYPE_USER_STORAGE:
1257 (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1259 case CDF_DIR_TYPE_USER_STREAM:
1262 if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1263 d->d_stream_first_sector, d->d_size, &scn) == -1) {
1264 warn("Can't read stream for %s at %d len %d",
1265 name, d->d_stream_first_sector, d->d_size);
1268 cdf_dump_stream(h, &scn);
1279 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1286 for (i = 0; i < count; i++) {
1287 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1288 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1289 switch (info[i].pi_type) {
1293 (void)fprintf(stderr, "signed 16 [%hd]\n",
1297 (void)fprintf(stderr, "signed 32 [%d]\n",
1300 case CDF_UNSIGNED32:
1301 (void)fprintf(stderr, "unsigned 32 [%u]\n",
1305 (void)fprintf(stderr, "float [%g]\n",
1309 (void)fprintf(stderr, "double [%g]\n",
1312 case CDF_LENGTH32_STRING:
1313 (void)fprintf(stderr, "string %u [%.*s]\n",
1314 info[i].pi_str.s_len,
1315 info[i].pi_str.s_len, info[i].pi_str.s_buf);
1317 case CDF_LENGTH32_WSTRING:
1318 (void)fprintf(stderr, "string %u [",
1319 info[i].pi_str.s_len);
1320 for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1321 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1322 (void)fprintf(stderr, "]\n");
1326 if (tp < 1000000000000000LL) {
1327 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1328 (void)fprintf(stderr, "timestamp %s\n", buf);
1331 cdf_timestamp_to_timespec(&ts, tp);
1332 (void)fprintf(stderr, "timestamp %s",
1333 cdf_ctime(&ts.tv_sec, buf));
1337 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1340 DPRINTF(("Don't know how to deal with %x\n",
1349 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1352 cdf_summary_info_header_t ssi;
1353 cdf_property_info_t *info;
1357 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1359 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1360 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1361 ssi.si_os_version >> 8);
1362 (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1363 cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1364 (void)fprintf(stderr, "Class %s\n", buf);
1365 (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1366 cdf_dump_property_info(info, count);
1372 cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst)
1375 cdf_unpack_catalog(h, sst, &cat);
1376 const cdf_catalog_entry_t *ce = cat->cat_e;
1378 char tbuf[64], sbuf[256];
1381 printf("Catalog:\n");
1382 for (i = 0; i < cat->cat_num; i++) {
1383 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp);
1384 printf("\t%d %s %s", ce[i].ce_num,
1385 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name),
1386 cdf_ctime(&ts.tv_sec, tbuf));
1395 main(int argc, char *argv[])
1399 cdf_sat_t sat, ssat;
1400 cdf_stream_t sst, scn;
1403 const cdf_directory_t *root;
1406 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1412 for (i = 1; i < argc; i++) {
1413 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1414 err(1, "Cannot open `%s'", argv[1]);
1416 if (cdf_read_header(&info, &h) == -1)
1417 err(1, "Cannot read header");
1419 cdf_dump_header(&h);
1422 if (cdf_read_sat(&info, &h, &sat) == -1)
1423 err(1, "Cannot read sat");
1425 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1428 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1429 err(1, "Cannot read ssat");
1431 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1434 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1435 err(1, "Cannot read dir");
1437 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root)
1439 err(1, "Cannot read short stream");
1441 cdf_dump_stream(&h, &sst);
1445 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1449 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1451 warn("Cannot read summary info");
1454 cdf_dump_summary_info(&h, &scn);
1456 if (cdf_read_catalog(&info, &h, &sat, &ssat, &sst, &dir,
1458 warn("Cannot read catalog");
1461 cdf_dump_catalog(&h, &scn);
1464 (void)close(info.i_fd);