1 /*-
2 * Copyright (c) 2008, 2016 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 #include "file.h"
27
28 #ifndef lint
29 FILE_RCSID("@(#)$File: readcdf.c,v 1.81 2026/02/04 14:56:28 christos Exp $")
30 #endif
31
32 #include <assert.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <time.h>
37 #include <ctype.h>
38
39 #include "cdf.h"
40 #include "magic.h"
41
42 #define NOTMIME(ms) (((ms)->flags & MAGIC_MIME) == 0)
43
44 static const struct nv {
45 const char *pattern;
46 const char *mime;
47 } app2mime[] = {
48 { "Word", "msword", },
49 { "Excel", "vnd.ms-excel", },
50 { "Powerpoint", "vnd.ms-powerpoint", },
51 { "Crystal Reports", "x-rpt", },
52 { "Advanced Installer", "vnd.ms-msi", },
53 { "InstallShield", "vnd.ms-msi", },
54 { "Microsoft Patch Compiler", "vnd.ms-msi", },
55 { "NAnt", "vnd.ms-msi", },
56 { "Windows Installer", "vnd.ms-msi", },
57 { NULL, NULL, },
58 }, name2mime[] = {
59 { "Book", "vnd.ms-excel", },
60 { "Workbook", "vnd.ms-excel", },
61 { "WordDocument", "msword", },
62 { "PowerPoint", "vnd.ms-powerpoint", },
63 { "DigitalSignature", "vnd.ms-msi", },
64 { NULL, NULL, },
65 }, name2desc[] = {
66 { "Book", "Microsoft Excel", },
67 { "Workbook", "Microsoft Excel", },
68 { "WordDocument", "Microsoft Word", },
69 { "PowerPoint", "Microsoft PowerPoint", },
70 { "DigitalSignature", "Microsoft Installer", },
71 { NULL, NULL, },
72 };
73
74 static const struct cv {
75 uint64_t clsid[2];
76 const char *mime;
77 } clsid2mime[] = {
78 {
79 { 0x00000000000c1084ULL, 0x46000000000000c0ULL },
80 "x-msi",
81 },
82 { { 0, 0 },
83 NULL,
84 },
85 }, clsid2desc[] = {
86 {
87 { 0x00000000000c1084ULL, 0x46000000000000c0ULL },
88 "MSI Installer",
89 },
90 { { 0, 0 },
91 NULL,
92 },
93 };
94
95 file_private const char *
cdf_clsid_to_mime(const uint64_t clsid[2],const struct cv * cv)96 cdf_clsid_to_mime(const uint64_t clsid[2], const struct cv *cv)
97 {
98 size_t i;
99 for (i = 0; cv[i].mime != NULL; i++) {
100 if (clsid[0] == cv[i].clsid[0] && clsid[1] == cv[i].clsid[1])
101 return cv[i].mime;
102 }
103 #ifdef CDF_DEBUG
104 fprintf(stderr, "unknown mime %" PRIx64 ", %" PRIx64 "\n", clsid[0],
105 clsid[1]);
106 #endif
107 return NULL;
108 }
109
110 file_private const char *
cdf_app_to_mime(const char * vbuf,const struct nv * nv)111 cdf_app_to_mime(const char *vbuf, const struct nv *nv)
112 {
113 size_t i;
114 const char *rv = NULL;
115 #ifdef USE_C_LOCALE
116 locale_t old_lc_ctype, c_lc_ctype;
117
118 c_lc_ctype = newlocale(LC_CTYPE_MASK, "C", 0);
119 assert(c_lc_ctype != NULL);
120 old_lc_ctype = uselocale(c_lc_ctype);
121 assert(old_lc_ctype != NULL);
122 #else
123 char *old_lc_ctype = setlocale(LC_CTYPE, NULL);
124 assert(old_lc_ctype != NULL);
125 old_lc_ctype = strdup(old_lc_ctype);
126 assert(old_lc_ctype != NULL);
127 (void)setlocale(LC_CTYPE, "C");
128 #endif
129 for (i = 0; nv[i].pattern != NULL; i++)
130 if (strcasestr(vbuf, nv[i].pattern) != NULL) {
131 rv = nv[i].mime;
132 break;
133 }
134 #ifdef CDF_DEBUG
135 fprintf(stderr, "unknown app %s\n", vbuf);
136 #endif
137 #ifdef USE_C_LOCALE
138 (void)uselocale(old_lc_ctype);
139 freelocale(c_lc_ctype);
140 #else
141 (void)setlocale(LC_CTYPE, old_lc_ctype);
142 free(old_lc_ctype);
143 #endif
144 return rv;
145 }
146
147 file_private int
cdf_file_property_info(struct magic_set * ms,const cdf_property_info_t * info,size_t count,const cdf_directory_t * root_storage)148 cdf_file_property_info(struct magic_set *ms, const cdf_property_info_t *info,
149 size_t count, const cdf_directory_t *root_storage)
150 {
151 size_t i;
152 cdf_timestamp_t tp;
153 struct timespec ts;
154 char buf[64];
155 const char *str = NULL;
156 const char *s, *e;
157 int len;
158
159 if (!NOTMIME(ms) && root_storage)
160 str = cdf_clsid_to_mime(root_storage->d_storage_uuid,
161 clsid2mime);
162
163 for (i = 0; i < count; i++) {
164 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
165 switch (info[i].pi_type) {
166 case CDF_NULL:
167 break;
168 case CDF_SIGNED16:
169 if (NOTMIME(ms) && file_printf(ms, ", %s: %hd", buf,
170 info[i].pi_s16) == -1)
171 return -1;
172 break;
173 case CDF_SIGNED32:
174 if (NOTMIME(ms) && file_printf(ms, ", %s: %d", buf,
175 info[i].pi_s32) == -1)
176 return -1;
177 break;
178 case CDF_UNSIGNED32:
179 if (NOTMIME(ms) && file_printf(ms, ", %s: %u", buf,
180 info[i].pi_u32) == -1)
181 return -1;
182 break;
183 case CDF_FLOAT:
184 if (NOTMIME(ms) && file_printf(ms, ", %s: %g", buf,
185 info[i].pi_f) == -1)
186 return -1;
187 break;
188 case CDF_DOUBLE:
189 if (NOTMIME(ms) && file_printf(ms, ", %s: %g", buf,
190 info[i].pi_d) == -1)
191 return -1;
192 break;
193 case CDF_LENGTH32_STRING:
194 case CDF_LENGTH32_WSTRING:
195 len = info[i].pi_str.s_len;
196 if (len > 1) {
197 char vbuf[1024];
198 size_t j, k = 1;
199
200 if (info[i].pi_type == CDF_LENGTH32_WSTRING)
201 k++;
202 s = info[i].pi_str.s_buf;
203 e = info[i].pi_str.s_buf + len;
204 for (j = 0; s < e && j < sizeof(vbuf)
205 && len--; s += k) {
206 if (*s == '\0')
207 break;
208 if (isprint(CAST(unsigned char, *s)))
209 vbuf[j++] = *s;
210 }
211 if (j == sizeof(vbuf))
212 --j;
213 vbuf[j] = '\0';
214 if (NOTMIME(ms)) {
215 if (vbuf[0]) {
216 if (file_printf(ms, ", %s: %s",
217 buf, vbuf) == -1)
218 return -1;
219 }
220 } else if (str == NULL && info[i].pi_id ==
221 CDF_PROPERTY_NAME_OF_APPLICATION) {
222 str = cdf_app_to_mime(vbuf, app2mime);
223 #ifdef CDF_DEBUG
224 fprintf(stderr, "Found property "
225 "application name = \"%s\" "
226 "(mime=%s)\n", vbuf, str);
227 #endif
228 }
229 }
230 break;
231 case CDF_FILETIME:
232 tp = info[i].pi_tp;
233 if (tp != 0) {
234 char tbuf[64];
235 if (tp < 1000000000000000LL) {
236 cdf_print_elapsed_time(tbuf,
237 sizeof(tbuf), tp);
238 if (NOTMIME(ms) && file_printf(ms,
239 ", %s: %s", buf, tbuf) == -1)
240 return -1;
241 } else {
242 char *c, *ec;
243 cdf_timestamp_to_timespec(&ts, tp);
244 c = cdf_ctime(&ts.tv_sec, tbuf);
245 if (c != NULL &&
246 (ec = strchr(c, '\n')) != NULL)
247 *ec = '\0';
248
249 if (NOTMIME(ms) && file_printf(ms,
250 ", %s: %s", buf, c) == -1)
251 return -1;
252 }
253 }
254 break;
255 case CDF_CLIPBOARD:
256 break;
257 default:
258 return -1;
259 }
260 }
261 if (ms->flags & MAGIC_MIME_TYPE) {
262 if (str == NULL)
263 return 0;
264 if (file_printf(ms, "application/%s", str) == -1)
265 return -1;
266 }
267 return 1;
268 }
269
270 file_private int
cdf_file_catalog(struct magic_set * ms,const cdf_header_t * h,const cdf_stream_t * sst)271 cdf_file_catalog(struct magic_set *ms, const cdf_header_t *h,
272 const cdf_stream_t *sst)
273 {
274 cdf_catalog_t *cat;
275 size_t i;
276 char buf[256];
277 cdf_catalog_entry_t *ce;
278
279 if (NOTMIME(ms)) {
280 if (file_printf(ms, "Microsoft Thumbs.db [") == -1)
281 return -1;
282 if (cdf_unpack_catalog(h, sst, &cat) == -1)
283 return -1;
284 ce = cat->cat_e;
285 /* skip first entry since it has a , or paren */
286 for (i = 1; i < cat->cat_num; i++)
287 if (file_printf(ms, "%s%s",
288 cdf_u16tos8(buf, ce[i].ce_namlen, ce[i].ce_name),
289 i == cat->cat_num - 1 ? "]" : ", ") == -1) {
290 free(cat);
291 return -1;
292 }
293 free(cat);
294 } else if (ms->flags & MAGIC_MIME_TYPE) {
295 if (file_printf(ms, "application/CDFV2") == -1)
296 return -1;
297 }
298 return 1;
299 }
300
301 file_private int
cdf_file_summary_info(struct magic_set * ms,const cdf_header_t * h,const cdf_stream_t * sst,const cdf_directory_t * root_storage)302 cdf_file_summary_info(struct magic_set *ms, const cdf_header_t *h,
303 const cdf_stream_t *sst, const cdf_directory_t *root_storage)
304 {
305 cdf_summary_info_header_t si;
306 cdf_property_info_t *info;
307 size_t count;
308 int m;
309
310 if (cdf_unpack_summary_info(sst, h, &si, &info, &count) == -1)
311 return -1;
312
313 if (NOTMIME(ms)) {
314 const char *str;
315
316 if (file_printf(ms, "Composite Document File V2 Document")
317 == -1)
318 return -1;
319
320 if (file_printf(ms, ", %s Endian",
321 si.si_byte_order == 0xfffe ? "Little" : "Big") == -1)
322 return -2;
323 switch (si.si_os) {
324 case 2:
325 if (file_printf(ms, ", Os: Windows, Version %d.%d",
326 si.si_os_version & 0xff,
327 CAST(uint32_t, si.si_os_version) >> 8) == -1)
328 return -2;
329 break;
330 case 1:
331 if (file_printf(ms, ", Os: MacOS, Version %d.%d",
332 CAST(uint32_t, si.si_os_version) >> 8,
333 si.si_os_version & 0xff) == -1)
334 return -2;
335 break;
336 default:
337 if (file_printf(ms, ", Os %d, Version: %d.%d", si.si_os,
338 si.si_os_version & 0xff,
339 CAST(uint32_t, si.si_os_version) >> 8) == -1)
340 return -2;
341 break;
342 }
343 if (root_storage) {
344 str = cdf_clsid_to_mime(root_storage->d_storage_uuid,
345 clsid2desc);
346 if (str) {
347 if (file_printf(ms, ", %s", str) == -1)
348 return -2;
349 }
350 }
351 }
352
353 m = cdf_file_property_info(ms, info, count, root_storage);
354 free(info);
355
356 return m == -1 ? -2 : m;
357 }
358
359 #ifdef notdef
360 file_private char *
format_clsid(char * buf,size_t len,const uint64_t uuid[2])361 format_clsid(char *buf, size_t len, const uint64_t uuid[2]) {
362 snprintf(buf, len, "%.8" PRIx64 "-%.4" PRIx64 "-%.4" PRIx64 "-%.4"
363 PRIx64 "-%.12" PRIx64,
364 (uuid[0] >> 32) & (uint64_t)0x000000000ffffffffULL,
365 (uuid[0] >> 16) & (uint64_t)0x0000000000000ffffULL,
366 (uuid[0] >> 0) & (uint64_t)0x0000000000000ffffULL,
367 (uuid[1] >> 48) & (uint64_t)0x0000000000000ffffULL,
368 (uuid[1] >> 0) & (uint64_t)0x0000fffffffffffffULL);
369 return buf;
370 }
371 #endif
372
373 file_private int
cdf_file_catalog_info(struct magic_set * ms,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)374 cdf_file_catalog_info(struct magic_set *ms, const cdf_info_t *info,
375 const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat,
376 const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn)
377 {
378 int i;
379
380 if ((i = cdf_read_user_stream(info, h, sat, ssat, sst,
381 dir, "Catalog", scn)) == -1)
382 return i;
383 #ifdef CDF_DEBUG
384 cdf_dump_catalog(h, scn);
385 #endif
386 if ((i = cdf_file_catalog(ms, h, scn)) == -1)
387 return -1;
388 return i;
389 }
390
391 file_private int
cdf_check_summary_info(struct magic_set * ms,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,const cdf_directory_t * root_storage,const char ** expn)392 cdf_check_summary_info(struct magic_set *ms, const cdf_info_t *info,
393 const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat,
394 const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn,
395 const cdf_directory_t *root_storage, const char **expn)
396 {
397 int i;
398 const char *str = NULL;
399 cdf_directory_t *d;
400 char name[__arraycount(d->d_name)];
401 size_t j, k;
402
403 #ifdef CDF_DEBUG
404 cdf_dump_summary_info(h, scn);
405 #endif
406 if ((i = cdf_file_summary_info(ms, h, scn, root_storage)) < 0) {
407 *expn = "Can't expand summary_info";
408 return i;
409 }
410 if (i == 1)
411 return i;
412 for (j = 0; str == NULL && j < dir->dir_len; j++) {
413 d = &dir->dir_tab[j];
414 for (k = 0; k < sizeof(name); k++)
415 name[k] = CAST(char, cdf_tole2(d->d_name[k]));
416 str = cdf_app_to_mime(name,
417 NOTMIME(ms) ? name2desc : name2mime);
418 }
419 if (NOTMIME(ms)) {
420 if (str != NULL) {
421 if (file_printf(ms, "%s", str) == -1)
422 return -1;
423 i = 1;
424 }
425 } else if (ms->flags & MAGIC_MIME_TYPE) {
426 if (str == NULL)
427 str = "vnd.ms-office";
428 if (file_printf(ms, "application/%s", str) == -1)
429 return -1;
430 i = 1;
431 }
432 if (i <= 0) {
433 i = cdf_file_catalog_info(ms, info, h, sat, ssat, sst,
434 dir, scn);
435 }
436 return i;
437 }
438
439 file_private struct sinfo {
440 const char *name;
441 const char *mime;
442 const char *sections[5];
443 const int types[5];
444 } sectioninfo[] = {
445 { "Encrypted", "encrypted",
446 {
447 "EncryptedPackage", "EncryptedSummary",
448 NULL, NULL, NULL,
449 },
450 {
451 CDF_DIR_TYPE_USER_STREAM,
452 CDF_DIR_TYPE_USER_STREAM,
453 0, 0, 0,
454
455 },
456 },
457 { "QuickBooks", "quickbooks",
458 {
459 #if 0
460 "TaxForms", "PDFTaxForms", "modulesInBackup",
461 #endif
462 "mfbu_header", NULL, NULL, NULL, NULL,
463 },
464 {
465 #if 0
466 CDF_DIR_TYPE_USER_STORAGE,
467 CDF_DIR_TYPE_USER_STORAGE,
468 CDF_DIR_TYPE_USER_STREAM,
469 #endif
470 CDF_DIR_TYPE_USER_STREAM,
471 0, 0, 0, 0
472 },
473 },
474 { "Microsoft Excel", "vnd.ms-excel",
475 {
476 "Book", "Workbook", NULL, NULL, NULL,
477 },
478 {
479 CDF_DIR_TYPE_USER_STREAM,
480 CDF_DIR_TYPE_USER_STREAM,
481 0, 0, 0,
482 },
483 },
484 { "Microsoft Word", "msword",
485 {
486 "WordDocument", NULL, NULL, NULL, NULL,
487 },
488 {
489 CDF_DIR_TYPE_USER_STREAM,
490 0, 0, 0, 0,
491 },
492 },
493 { "Microsoft PowerPoint", "vnd.ms-powerpoint",
494 {
495 "PowerPoint Document", NULL, NULL, NULL, NULL,
496 },
497 {
498 CDF_DIR_TYPE_USER_STREAM,
499 0, 0, 0, 0,
500 },
501 },
502 { "Microsoft Outlook Message", "vnd.ms-outlook",
503 {
504 "__properties_version1.0",
505 "__recip_version1.0_#00000000",
506 NULL, NULL, NULL,
507 },
508 {
509 CDF_DIR_TYPE_USER_STREAM,
510 CDF_DIR_TYPE_USER_STORAGE,
511 0, 0, 0,
512 },
513 },
514 };
515
516 file_private int
cdf_file_dir_info(struct magic_set * ms,const cdf_dir_t * dir)517 cdf_file_dir_info(struct magic_set *ms, const cdf_dir_t *dir)
518 {
519 size_t sd, i, j;
520 uint16_t *dir_name;
521 int dir_type;
522 const char* section_name;
523
524 for (i = 0; i < dir->dir_len; i++) {
525 dir_name = dir->dir_tab[i].d_name;
526 dir_type = dir->dir_tab[i].d_type;
527
528 for (sd = 0; sd < __arraycount(sectioninfo); sd++) {
529 const struct sinfo *si = §ioninfo[sd];
530 for (j = 0; si->sections[j]; j++) {
531 if (si->sections[j] == NULL)
532 continue;
533 section_name = si->sections[j];
534 if (si->types[j] != dir_type ||
535 cdf_namecmp(section_name, dir_name,
536 strlen(section_name) + 1) != 0)
537 continue;
538 #ifdef CDF_DEBUG
539 fprintf(stderr, "Matching directory %"
540 SIZE_T_FORMAT
541 "u with expected name \"%s\"\n",
542 i, section_name);
543 #endif
544 if (NOTMIME(ms)) {
545 if (file_printf(ms, "CDFV2 %s",
546 si->name) == -1)
547 return -1;
548 } else if (ms->flags & MAGIC_MIME_TYPE) {
549 if (file_printf(ms, "application/%s",
550 si->mime) == -1)
551 return -1;
552 }
553 return 1;
554 }
555 }
556 }
557 return -1;
558 }
559
560 file_protected int
file_trycdf(struct magic_set * ms,const struct buffer * b)561 file_trycdf(struct magic_set *ms, const struct buffer *b)
562 {
563 int fd = b->fd;
564 const unsigned char *buf = CAST(const unsigned char *, b->fbuf);
565 size_t nbytes = b->flen;
566 cdf_info_t info;
567 cdf_header_t h;
568 cdf_sat_t sat, ssat;
569 cdf_stream_t sst, scn;
570 cdf_dir_t dir;
571 int i;
572 const char *expn = "";
573 const cdf_directory_t *root_storage;
574
575 scn.sst_tab = NULL;
576 info.i_fd = fd;
577 info.i_buf = buf;
578 info.i_len = nbytes;
579 if (ms->flags & (MAGIC_APPLE|MAGIC_EXTENSION))
580 return 0;
581 if (cdf_read_header(&info, &h) == -1)
582 return 0;
583 #ifdef CDF_DEBUG
584 cdf_dump_header(&h);
585 #endif
586
587 if ((i = cdf_read_sat(&info, &h, &sat)) == -1) {
588 expn = "Can't read SAT";
589 goto out0;
590 }
591 #ifdef CDF_DEBUG
592 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
593 #endif
594
595 if ((i = cdf_read_ssat(&info, &h, &sat, &ssat)) == -1) {
596 expn = "Can't read SSAT";
597 goto out1;
598 }
599 #ifdef CDF_DEBUG
600 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
601 #endif
602
603 if ((i = cdf_read_dir(&info, &h, &sat, &dir)) == -1) {
604 expn = "Can't read directory";
605 goto out2;
606 }
607
608 if ((i = cdf_read_short_stream(&info, &h, &sat, &dir, &sst,
609 &root_storage)) == -1) {
610 expn = "Cannot read short stream";
611 goto out3;
612 }
613 #ifdef CDF_DEBUG
614 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
615 #endif
616 #ifdef notdef
617 if (root_storage) {
618 if (NOTMIME(ms)) {
619 char clsbuf[128];
620 if (file_printf(ms, "CLSID %s, ",
621 format_clsid(clsbuf, sizeof(clsbuf),
622 root_storage->d_storage_uuid)) == -1)
623 return -1;
624 }
625 }
626 #endif
627
628 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, &dir,
629 "FileHeader", &scn) != -1) {
630 #define HWP5_SIGNATURE "HWP Document File"
631 if (scn.sst_len * scn.sst_ss >= sizeof(HWP5_SIGNATURE) - 1
632 && memcmp(scn.sst_tab, HWP5_SIGNATURE,
633 sizeof(HWP5_SIGNATURE) - 1) == 0) {
634 if (NOTMIME(ms)) {
635 if (file_printf(ms,
636 "Hancom HWP (Hangul Word Processor) file, version 5.0") == -1)
637 return -1;
638 } else if (ms->flags & MAGIC_MIME_TYPE) {
639 if (file_printf(ms, "application/x-hwp") == -1)
640 return -1;
641 }
642 i = 1;
643 goto out5;
644 } else {
645 cdf_zero_stream(&scn);
646 }
647 }
648
649 if ((i = cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
650 &scn)) == -1) {
651 if (errno != ESRCH) {
652 expn = "Cannot read summary info";
653 }
654 } else {
655 i = cdf_check_summary_info(ms, &info, &h,
656 &sat, &ssat, &sst, &dir, &scn, root_storage, &expn);
657 cdf_zero_stream(&scn);
658 }
659 if (i <= 0) {
660 if ((i = cdf_read_doc_summary_info(&info, &h, &sat, &ssat,
661 &sst, &dir, &scn)) == -1) {
662 if (errno != ESRCH) {
663 expn = "Cannot read summary info";
664 }
665 } else {
666 i = cdf_check_summary_info(ms, &info, &h, &sat, &ssat,
667 &sst, &dir, &scn, root_storage, &expn);
668 }
669 }
670 if (i <= 0) {
671 i = cdf_file_dir_info(ms, &dir);
672 if (i < 0)
673 expn = "Cannot read section info";
674 }
675 out5:
676 cdf_zero_stream(&scn);
677 cdf_zero_stream(&sst);
678 out3:
679 free(dir.dir_tab);
680 out2:
681 free(ssat.sat_tab);
682 out1:
683 free(sat.sat_tab);
684 out0:
685 /* If we handled it already, return */
686 if (i != -1)
687 return i;
688 /* Provide a default handler */
689 if (NOTMIME(ms)) {
690 if (file_printf(ms,
691 "Composite Document File V2 Document") == -1)
692 return -1;
693 if (*expn)
694 if (file_printf(ms, ", %s", expn) == -1)
695 return -1;
696 } else if (ms->flags & MAGIC_MIME_TYPE) {
697 /* https://reposcope.com/mimetype/application/x-ole-storage */
698 if (file_printf(ms, "application/x-ole-storage") == -1)
699 return -1;
700 }
701 return 1;
702 }
703