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 1.76 2022/01/17 16:59:01 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 private const char * 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 private const char * 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 private int 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 } 224 } 225 break; 226 case CDF_FILETIME: 227 tp = info[i].pi_tp; 228 if (tp != 0) { 229 char tbuf[64]; 230 if (tp < 1000000000000000LL) { 231 cdf_print_elapsed_time(tbuf, 232 sizeof(tbuf), tp); 233 if (NOTMIME(ms) && file_printf(ms, 234 ", %s: %s", buf, tbuf) == -1) 235 return -1; 236 } else { 237 char *c, *ec; 238 cdf_timestamp_to_timespec(&ts, tp); 239 c = cdf_ctime(&ts.tv_sec, tbuf); 240 if (c != NULL && 241 (ec = strchr(c, '\n')) != NULL) 242 *ec = '\0'; 243 244 if (NOTMIME(ms) && file_printf(ms, 245 ", %s: %s", buf, c) == -1) 246 return -1; 247 } 248 } 249 break; 250 case CDF_CLIPBOARD: 251 break; 252 default: 253 return -1; 254 } 255 } 256 if (ms->flags & MAGIC_MIME_TYPE) { 257 if (str == NULL) 258 return 0; 259 if (file_printf(ms, "application/%s", str) == -1) 260 return -1; 261 } 262 return 1; 263 } 264 265 private int 266 cdf_file_catalog(struct magic_set *ms, const cdf_header_t *h, 267 const cdf_stream_t *sst) 268 { 269 cdf_catalog_t *cat; 270 size_t i; 271 char buf[256]; 272 cdf_catalog_entry_t *ce; 273 274 if (NOTMIME(ms)) { 275 if (file_printf(ms, "Microsoft Thumbs.db [") == -1) 276 return -1; 277 if (cdf_unpack_catalog(h, sst, &cat) == -1) 278 return -1; 279 ce = cat->cat_e; 280 /* skip first entry since it has a , or paren */ 281 for (i = 1; i < cat->cat_num; i++) 282 if (file_printf(ms, "%s%s", 283 cdf_u16tos8(buf, ce[i].ce_namlen, ce[i].ce_name), 284 i == cat->cat_num - 1 ? "]" : ", ") == -1) { 285 free(cat); 286 return -1; 287 } 288 free(cat); 289 } else if (ms->flags & MAGIC_MIME_TYPE) { 290 if (file_printf(ms, "application/CDFV2") == -1) 291 return -1; 292 } 293 return 1; 294 } 295 296 private int 297 cdf_file_summary_info(struct magic_set *ms, const cdf_header_t *h, 298 const cdf_stream_t *sst, const cdf_directory_t *root_storage) 299 { 300 cdf_summary_info_header_t si; 301 cdf_property_info_t *info; 302 size_t count; 303 int m; 304 305 if (cdf_unpack_summary_info(sst, h, &si, &info, &count) == -1) 306 return -1; 307 308 if (NOTMIME(ms)) { 309 const char *str; 310 311 if (file_printf(ms, "Composite Document File V2 Document") 312 == -1) 313 return -1; 314 315 if (file_printf(ms, ", %s Endian", 316 si.si_byte_order == 0xfffe ? "Little" : "Big") == -1) 317 return -2; 318 switch (si.si_os) { 319 case 2: 320 if (file_printf(ms, ", Os: Windows, Version %d.%d", 321 si.si_os_version & 0xff, 322 CAST(uint32_t, si.si_os_version) >> 8) == -1) 323 return -2; 324 break; 325 case 1: 326 if (file_printf(ms, ", Os: MacOS, Version %d.%d", 327 CAST(uint32_t, si.si_os_version) >> 8, 328 si.si_os_version & 0xff) == -1) 329 return -2; 330 break; 331 default: 332 if (file_printf(ms, ", Os %d, Version: %d.%d", si.si_os, 333 si.si_os_version & 0xff, 334 CAST(uint32_t, si.si_os_version) >> 8) == -1) 335 return -2; 336 break; 337 } 338 if (root_storage) { 339 str = cdf_clsid_to_mime(root_storage->d_storage_uuid, 340 clsid2desc); 341 if (str) { 342 if (file_printf(ms, ", %s", str) == -1) 343 return -2; 344 } 345 } 346 } 347 348 m = cdf_file_property_info(ms, info, count, root_storage); 349 free(info); 350 351 return m == -1 ? -2 : m; 352 } 353 354 #ifdef notdef 355 private char * 356 format_clsid(char *buf, size_t len, const uint64_t uuid[2]) { 357 snprintf(buf, len, "%.8" PRIx64 "-%.4" PRIx64 "-%.4" PRIx64 "-%.4" 358 PRIx64 "-%.12" PRIx64, 359 (uuid[0] >> 32) & (uint64_t)0x000000000ffffffffULL, 360 (uuid[0] >> 16) & (uint64_t)0x0000000000000ffffULL, 361 (uuid[0] >> 0) & (uint64_t)0x0000000000000ffffULL, 362 (uuid[1] >> 48) & (uint64_t)0x0000000000000ffffULL, 363 (uuid[1] >> 0) & (uint64_t)0x0000fffffffffffffULL); 364 return buf; 365 } 366 #endif 367 368 private int 369 cdf_file_catalog_info(struct magic_set *ms, const cdf_info_t *info, 370 const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, 371 const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn) 372 { 373 int i; 374 375 if ((i = cdf_read_user_stream(info, h, sat, ssat, sst, 376 dir, "Catalog", scn)) == -1) 377 return i; 378 #ifdef CDF_DEBUG 379 cdf_dump_catalog(h, scn); 380 #endif 381 if ((i = cdf_file_catalog(ms, h, scn)) == -1) 382 return -1; 383 return i; 384 } 385 386 private int 387 cdf_check_summary_info(struct magic_set *ms, const cdf_info_t *info, 388 const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, 389 const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn, 390 const cdf_directory_t *root_storage, const char **expn) 391 { 392 int i; 393 const char *str = NULL; 394 cdf_directory_t *d; 395 char name[__arraycount(d->d_name)]; 396 size_t j, k; 397 398 #ifdef CDF_DEBUG 399 cdf_dump_summary_info(h, scn); 400 #endif 401 if ((i = cdf_file_summary_info(ms, h, scn, root_storage)) < 0) { 402 *expn = "Can't expand summary_info"; 403 return i; 404 } 405 if (i == 1) 406 return i; 407 for (j = 0; str == NULL && j < dir->dir_len; j++) { 408 d = &dir->dir_tab[j]; 409 for (k = 0; k < sizeof(name); k++) 410 name[k] = CAST(char, cdf_tole2(d->d_name[k])); 411 str = cdf_app_to_mime(name, 412 NOTMIME(ms) ? name2desc : name2mime); 413 } 414 if (NOTMIME(ms)) { 415 if (str != NULL) { 416 if (file_printf(ms, "%s", str) == -1) 417 return -1; 418 i = 1; 419 } 420 } else if (ms->flags & MAGIC_MIME_TYPE) { 421 if (str == NULL) 422 str = "vnd.ms-office"; 423 if (file_printf(ms, "application/%s", str) == -1) 424 return -1; 425 i = 1; 426 } 427 if (i <= 0) { 428 i = cdf_file_catalog_info(ms, info, h, sat, ssat, sst, 429 dir, scn); 430 } 431 return i; 432 } 433 434 private struct sinfo { 435 const char *name; 436 const char *mime; 437 const char *sections[5]; 438 const int types[5]; 439 } sectioninfo[] = { 440 { "Encrypted", "encrypted", 441 { 442 "EncryptedPackage", "EncryptedSummary", 443 NULL, NULL, NULL, 444 }, 445 { 446 CDF_DIR_TYPE_USER_STREAM, 447 CDF_DIR_TYPE_USER_STREAM, 448 0, 0, 0, 449 450 }, 451 }, 452 { "QuickBooks", "quickbooks", 453 { 454 #if 0 455 "TaxForms", "PDFTaxForms", "modulesInBackup", 456 #endif 457 "mfbu_header", NULL, NULL, NULL, NULL, 458 }, 459 { 460 #if 0 461 CDF_DIR_TYPE_USER_STORAGE, 462 CDF_DIR_TYPE_USER_STORAGE, 463 CDF_DIR_TYPE_USER_STREAM, 464 #endif 465 CDF_DIR_TYPE_USER_STREAM, 466 0, 0, 0, 0 467 }, 468 }, 469 { "Microsoft Excel", "vnd.ms-excel", 470 { 471 "Book", "Workbook", NULL, NULL, NULL, 472 }, 473 { 474 CDF_DIR_TYPE_USER_STREAM, 475 CDF_DIR_TYPE_USER_STREAM, 476 0, 0, 0, 477 }, 478 }, 479 { "Microsoft Word", "msword", 480 { 481 "WordDocument", NULL, NULL, NULL, NULL, 482 }, 483 { 484 CDF_DIR_TYPE_USER_STREAM, 485 0, 0, 0, 0, 486 }, 487 }, 488 { "Microsoft PowerPoint", "vnd.ms-powerpoint", 489 { 490 "PowerPoint", NULL, NULL, NULL, NULL, 491 }, 492 { 493 CDF_DIR_TYPE_USER_STREAM, 494 0, 0, 0, 0, 495 }, 496 }, 497 { "Microsoft Outlook Message", "vnd.ms-outlook", 498 { 499 "__properties_version1.0", 500 "__recip_version1.0_#00000000", 501 NULL, NULL, NULL, 502 }, 503 { 504 CDF_DIR_TYPE_USER_STREAM, 505 CDF_DIR_TYPE_USER_STORAGE, 506 0, 0, 0, 507 }, 508 }, 509 }; 510 511 private int 512 cdf_file_dir_info(struct magic_set *ms, const cdf_dir_t *dir) 513 { 514 size_t sd, j; 515 516 for (sd = 0; sd < __arraycount(sectioninfo); sd++) { 517 const struct sinfo *si = §ioninfo[sd]; 518 for (j = 0; si->sections[j]; j++) { 519 if (cdf_find_stream(dir, si->sections[j], si->types[j]) 520 > 0) 521 break; 522 #ifdef CDF_DEBUG 523 fprintf(stderr, "Can't read %s\n", si->sections[j]); 524 #endif 525 } 526 if (si->sections[j] == NULL) 527 continue; 528 if (NOTMIME(ms)) { 529 if (file_printf(ms, "CDFV2 %s", si->name) == -1) 530 return -1; 531 } else if (ms->flags & MAGIC_MIME_TYPE) { 532 if (file_printf(ms, "application/%s", si->mime) == -1) 533 return -1; 534 } 535 return 1; 536 } 537 return -1; 538 } 539 540 protected int 541 file_trycdf(struct magic_set *ms, const struct buffer *b) 542 { 543 int fd = b->fd; 544 const unsigned char *buf = CAST(const unsigned char *, b->fbuf); 545 size_t nbytes = b->flen; 546 cdf_info_t info; 547 cdf_header_t h; 548 cdf_sat_t sat, ssat; 549 cdf_stream_t sst, scn; 550 cdf_dir_t dir; 551 int i; 552 const char *expn = ""; 553 const cdf_directory_t *root_storage; 554 555 scn.sst_tab = NULL; 556 info.i_fd = fd; 557 info.i_buf = buf; 558 info.i_len = nbytes; 559 if (ms->flags & (MAGIC_APPLE|MAGIC_EXTENSION)) 560 return 0; 561 if (cdf_read_header(&info, &h) == -1) 562 return 0; 563 #ifdef CDF_DEBUG 564 cdf_dump_header(&h); 565 #endif 566 567 if ((i = cdf_read_sat(&info, &h, &sat)) == -1) { 568 expn = "Can't read SAT"; 569 goto out0; 570 } 571 #ifdef CDF_DEBUG 572 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 573 #endif 574 575 if ((i = cdf_read_ssat(&info, &h, &sat, &ssat)) == -1) { 576 expn = "Can't read SSAT"; 577 goto out1; 578 } 579 #ifdef CDF_DEBUG 580 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 581 #endif 582 583 if ((i = cdf_read_dir(&info, &h, &sat, &dir)) == -1) { 584 expn = "Can't read directory"; 585 goto out2; 586 } 587 588 if ((i = cdf_read_short_stream(&info, &h, &sat, &dir, &sst, 589 &root_storage)) == -1) { 590 expn = "Cannot read short stream"; 591 goto out3; 592 } 593 #ifdef CDF_DEBUG 594 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 595 #endif 596 #ifdef notdef 597 if (root_storage) { 598 if (NOTMIME(ms)) { 599 char clsbuf[128]; 600 if (file_printf(ms, "CLSID %s, ", 601 format_clsid(clsbuf, sizeof(clsbuf), 602 root_storage->d_storage_uuid)) == -1) 603 return -1; 604 } 605 } 606 #endif 607 608 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, &dir, 609 "FileHeader", &scn) != -1) { 610 #define HWP5_SIGNATURE "HWP Document File" 611 if (scn.sst_len * scn.sst_ss >= sizeof(HWP5_SIGNATURE) - 1 612 && memcmp(scn.sst_tab, HWP5_SIGNATURE, 613 sizeof(HWP5_SIGNATURE) - 1) == 0) { 614 if (NOTMIME(ms)) { 615 if (file_printf(ms, 616 "Hangul (Korean) Word Processor File 5.x") == -1) 617 return -1; 618 } else if (ms->flags & MAGIC_MIME_TYPE) { 619 if (file_printf(ms, "application/x-hwp") == -1) 620 return -1; 621 } 622 i = 1; 623 goto out5; 624 } else { 625 cdf_zero_stream(&scn); 626 } 627 } 628 629 if ((i = cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 630 &scn)) == -1) { 631 if (errno != ESRCH) { 632 expn = "Cannot read summary info"; 633 } 634 } else { 635 i = cdf_check_summary_info(ms, &info, &h, 636 &sat, &ssat, &sst, &dir, &scn, root_storage, &expn); 637 cdf_zero_stream(&scn); 638 } 639 if (i <= 0) { 640 if ((i = cdf_read_doc_summary_info(&info, &h, &sat, &ssat, 641 &sst, &dir, &scn)) == -1) { 642 if (errno != ESRCH) { 643 expn = "Cannot read summary info"; 644 } 645 } else { 646 i = cdf_check_summary_info(ms, &info, &h, &sat, &ssat, 647 &sst, &dir, &scn, root_storage, &expn); 648 } 649 } 650 if (i <= 0) { 651 i = cdf_file_dir_info(ms, &dir); 652 if (i < 0) 653 expn = "Cannot read section info"; 654 } 655 out5: 656 cdf_zero_stream(&scn); 657 cdf_zero_stream(&sst); 658 out3: 659 free(dir.dir_tab); 660 out2: 661 free(ssat.sat_tab); 662 out1: 663 free(sat.sat_tab); 664 out0: 665 /* If we handled it already, return */ 666 if (i != -1) 667 return i; 668 /* Provide a default handler */ 669 if (NOTMIME(ms)) { 670 if (file_printf(ms, 671 "Composite Document File V2 Document") == -1) 672 return -1; 673 if (*expn) 674 if (file_printf(ms, ", %s", expn) == -1) 675 return -1; 676 } else if (ms->flags & MAGIC_MIME_TYPE) { 677 /* https://reposcope.com/mimetype/application/x-ole-storage */ 678 if (file_printf(ms, "application/x-ole-storage") == -1) 679 return -1; 680 } 681 return 1; 682 } 683