1 /*- 2 * Copyright (c) 2008 Christos Zoulas 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 */ 26 /* 27 * Parse Composite Document Files, the format used in Microsoft Office 28 * document files before they switched to zipped XML. 29 * Info from: http://sc.openoffice.org/compdocfileformat.pdf 30 * 31 * N.B. This is the "Composite Document File" format, and not the 32 * "Compound Document Format", nor the "Channel Definition Format". 33 */ 34 35 #include "file.h" 36 37 #ifndef lint 38 FILE_RCSID("@(#)$File: cdf.c,v 1.63 2014/06/09 13:04:37 christos Exp $") 39 #endif 40 41 #include <assert.h> 42 #ifdef CDF_DEBUG 43 #include <err.h> 44 #endif 45 #include <stdlib.h> 46 #include <unistd.h> 47 #include <string.h> 48 #include <time.h> 49 #include <ctype.h> 50 #ifdef HAVE_LIMITS_H 51 #include <limits.h> 52 #endif 53 54 #ifndef EFTYPE 55 #define EFTYPE EINVAL 56 #endif 57 58 #include "cdf.h" 59 60 #ifdef CDF_DEBUG 61 #define DPRINTF(a) printf a, fflush(stdout) 62 #else 63 #define DPRINTF(a) 64 #endif 65 66 static union { 67 char s[4]; 68 uint32_t u; 69 } cdf_bo; 70 71 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304) 72 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_GETUINT32(x, y) cdf_getuint32(x, y) 77 78 79 /* 80 * swap a short 81 */ 82 static uint16_t 83 _cdf_tole2(uint16_t sv) 84 { 85 uint16_t rv; 86 uint8_t *s = (uint8_t *)(void *)&sv; 87 uint8_t *d = (uint8_t *)(void *)&rv; 88 d[0] = s[1]; 89 d[1] = s[0]; 90 return rv; 91 } 92 93 /* 94 * swap an int 95 */ 96 static uint32_t 97 _cdf_tole4(uint32_t sv) 98 { 99 uint32_t rv; 100 uint8_t *s = (uint8_t *)(void *)&sv; 101 uint8_t *d = (uint8_t *)(void *)&rv; 102 d[0] = s[3]; 103 d[1] = s[2]; 104 d[2] = s[1]; 105 d[3] = s[0]; 106 return rv; 107 } 108 109 /* 110 * swap a quad 111 */ 112 static uint64_t 113 _cdf_tole8(uint64_t sv) 114 { 115 uint64_t rv; 116 uint8_t *s = (uint8_t *)(void *)&sv; 117 uint8_t *d = (uint8_t *)(void *)&rv; 118 d[0] = s[7]; 119 d[1] = s[6]; 120 d[2] = s[5]; 121 d[3] = s[4]; 122 d[4] = s[3]; 123 d[5] = s[2]; 124 d[6] = s[1]; 125 d[7] = s[0]; 126 return rv; 127 } 128 129 /* 130 * grab a uint32_t from a possibly unaligned address, and return it in 131 * the native host order. 132 */ 133 static uint32_t 134 cdf_getuint32(const uint8_t *p, size_t offs) 135 { 136 uint32_t rv; 137 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 138 return CDF_TOLE4(rv); 139 } 140 141 #define CDF_UNPACK(a) \ 142 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 143 #define CDF_UNPACKA(a) \ 144 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 145 146 uint16_t 147 cdf_tole2(uint16_t sv) 148 { 149 return CDF_TOLE2(sv); 150 } 151 152 uint32_t 153 cdf_tole4(uint32_t sv) 154 { 155 return CDF_TOLE4(sv); 156 } 157 158 uint64_t 159 cdf_tole8(uint64_t sv) 160 { 161 return CDF_TOLE8(sv); 162 } 163 164 void 165 cdf_swap_header(cdf_header_t *h) 166 { 167 size_t i; 168 169 h->h_magic = CDF_TOLE8(h->h_magic); 170 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 171 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 172 h->h_revision = CDF_TOLE2(h->h_revision); 173 h->h_version = CDF_TOLE2(h->h_version); 174 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 175 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 176 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 177 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 178 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 179 h->h_min_size_standard_stream = 180 CDF_TOLE4(h->h_min_size_standard_stream); 181 h->h_secid_first_sector_in_short_sat = 182 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 183 h->h_num_sectors_in_short_sat = 184 CDF_TOLE4(h->h_num_sectors_in_short_sat); 185 h->h_secid_first_sector_in_master_sat = 186 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 187 h->h_num_sectors_in_master_sat = 188 CDF_TOLE4(h->h_num_sectors_in_master_sat); 189 for (i = 0; i < __arraycount(h->h_master_sat); i++) 190 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 191 } 192 193 void 194 cdf_unpack_header(cdf_header_t *h, char *buf) 195 { 196 size_t i; 197 size_t len = 0; 198 199 CDF_UNPACK(h->h_magic); 200 CDF_UNPACKA(h->h_uuid); 201 CDF_UNPACK(h->h_revision); 202 CDF_UNPACK(h->h_version); 203 CDF_UNPACK(h->h_byte_order); 204 CDF_UNPACK(h->h_sec_size_p2); 205 CDF_UNPACK(h->h_short_sec_size_p2); 206 CDF_UNPACKA(h->h_unused0); 207 CDF_UNPACK(h->h_num_sectors_in_sat); 208 CDF_UNPACK(h->h_secid_first_directory); 209 CDF_UNPACKA(h->h_unused1); 210 CDF_UNPACK(h->h_min_size_standard_stream); 211 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 212 CDF_UNPACK(h->h_num_sectors_in_short_sat); 213 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 214 CDF_UNPACK(h->h_num_sectors_in_master_sat); 215 for (i = 0; i < __arraycount(h->h_master_sat); i++) 216 CDF_UNPACK(h->h_master_sat[i]); 217 } 218 219 void 220 cdf_swap_dir(cdf_directory_t *d) 221 { 222 d->d_namelen = CDF_TOLE2(d->d_namelen); 223 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 224 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 225 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 226 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 227 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 228 d->d_flags = CDF_TOLE4(d->d_flags); 229 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 230 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 231 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 232 d->d_size = CDF_TOLE4(d->d_size); 233 } 234 235 void 236 cdf_swap_class(cdf_classid_t *d) 237 { 238 d->cl_dword = CDF_TOLE4(d->cl_dword); 239 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 240 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 241 } 242 243 void 244 cdf_unpack_dir(cdf_directory_t *d, char *buf) 245 { 246 size_t len = 0; 247 248 CDF_UNPACKA(d->d_name); 249 CDF_UNPACK(d->d_namelen); 250 CDF_UNPACK(d->d_type); 251 CDF_UNPACK(d->d_color); 252 CDF_UNPACK(d->d_left_child); 253 CDF_UNPACK(d->d_right_child); 254 CDF_UNPACK(d->d_storage); 255 CDF_UNPACKA(d->d_storage_uuid); 256 CDF_UNPACK(d->d_flags); 257 CDF_UNPACK(d->d_created); 258 CDF_UNPACK(d->d_modified); 259 CDF_UNPACK(d->d_stream_first_sector); 260 CDF_UNPACK(d->d_size); 261 CDF_UNPACK(d->d_unused0); 262 } 263 264 static int 265 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 266 const void *p, size_t tail, int line) 267 { 268 const char *b = (const char *)sst->sst_tab; 269 const char *e = ((const char *)p) + tail; 270 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 271 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 272 (void)&line; 273 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len) 274 return 0; 275 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 276 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 277 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 278 ss * sst->sst_len, ss, sst->sst_len)); 279 errno = EFTYPE; 280 return -1; 281 } 282 283 static ssize_t 284 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 285 { 286 size_t siz = (size_t)off + len; 287 288 if ((off_t)(off + len) != (off_t)siz) { 289 errno = EINVAL; 290 return -1; 291 } 292 293 if (info->i_buf != NULL && info->i_len >= siz) { 294 (void)memcpy(buf, &info->i_buf[off], len); 295 return (ssize_t)len; 296 } 297 298 if (info->i_fd == -1) 299 return -1; 300 301 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 302 return -1; 303 304 return (ssize_t)len; 305 } 306 307 int 308 cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 309 { 310 char buf[512]; 311 312 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 313 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 314 return -1; 315 cdf_unpack_header(h, buf); 316 cdf_swap_header(h); 317 if (h->h_magic != CDF_MAGIC) { 318 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 319 INT64_T_FORMAT "x\n", 320 (unsigned long long)h->h_magic, 321 (unsigned long long)CDF_MAGIC)); 322 goto out; 323 } 324 if (h->h_sec_size_p2 > 20) { 325 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 326 goto out; 327 } 328 if (h->h_short_sec_size_p2 > 20) { 329 DPRINTF(("Bad short sector size 0x%u\n", 330 h->h_short_sec_size_p2)); 331 goto out; 332 } 333 return 0; 334 out: 335 errno = EFTYPE; 336 return -1; 337 } 338 339 340 ssize_t 341 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 342 const cdf_header_t *h, cdf_secid_t id) 343 { 344 size_t ss = CDF_SEC_SIZE(h); 345 size_t pos = CDF_SEC_POS(h, id); 346 assert(ss == len); 347 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 348 } 349 350 ssize_t 351 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 352 size_t len, const cdf_header_t *h, cdf_secid_t id) 353 { 354 size_t ss = CDF_SHORT_SEC_SIZE(h); 355 size_t pos = CDF_SHORT_SEC_POS(h, id); 356 assert(ss == len); 357 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 358 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 359 SIZE_T_FORMAT "u\n", 360 pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 361 return -1; 362 } 363 (void)memcpy(((char *)buf) + offs, 364 ((const char *)sst->sst_tab) + pos, len); 365 return len; 366 } 367 368 /* 369 * Read the sector allocation table. 370 */ 371 int 372 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 373 { 374 size_t i, j, k; 375 size_t ss = CDF_SEC_SIZE(h); 376 cdf_secid_t *msa, mid, sec; 377 size_t nsatpersec = (ss / sizeof(mid)) - 1; 378 379 for (i = 0; i < __arraycount(h->h_master_sat); i++) 380 if (h->h_master_sat[i] == CDF_SECID_FREE) 381 break; 382 383 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 384 if ((nsatpersec > 0 && 385 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 386 i > CDF_SEC_LIMIT) { 387 DPRINTF(("Number of sectors in master SAT too big %u %" 388 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 389 errno = EFTYPE; 390 return -1; 391 } 392 393 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 394 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 395 sat->sat_len, ss)); 396 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 397 == NULL) 398 return -1; 399 400 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 401 if (h->h_master_sat[i] < 0) 402 break; 403 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 404 h->h_master_sat[i]) != (ssize_t)ss) { 405 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 406 goto out1; 407 } 408 } 409 410 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 411 goto out1; 412 413 mid = h->h_secid_first_sector_in_master_sat; 414 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 415 if (mid < 0) 416 goto out; 417 if (j >= CDF_LOOP_LIMIT) { 418 DPRINTF(("Reading master sector loop limit")); 419 errno = EFTYPE; 420 goto out2; 421 } 422 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 423 DPRINTF(("Reading master sector %d", mid)); 424 goto out2; 425 } 426 for (k = 0; k < nsatpersec; k++, i++) { 427 sec = CDF_TOLE4((uint32_t)msa[k]); 428 if (sec < 0) 429 goto out; 430 if (i >= sat->sat_len) { 431 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 432 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 433 errno = EFTYPE; 434 goto out2; 435 } 436 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 437 sec) != (ssize_t)ss) { 438 DPRINTF(("Reading sector %d", 439 CDF_TOLE4(msa[k]))); 440 goto out2; 441 } 442 } 443 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 444 } 445 out: 446 sat->sat_len = i; 447 free(msa); 448 return 0; 449 out2: 450 free(msa); 451 out1: 452 free(sat->sat_tab); 453 return -1; 454 } 455 456 size_t 457 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 458 { 459 size_t i, j; 460 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size) 461 / sizeof(maxsector)); 462 463 DPRINTF(("Chain:")); 464 for (j = i = 0; sid >= 0; i++, j++) { 465 DPRINTF((" %d", sid)); 466 if (j >= CDF_LOOP_LIMIT) { 467 DPRINTF(("Counting chain loop limit")); 468 errno = EFTYPE; 469 return (size_t)-1; 470 } 471 if (sid >= maxsector) { 472 DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 473 errno = EFTYPE; 474 return (size_t)-1; 475 } 476 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 477 } 478 if (i == 0) { 479 DPRINTF((" none, sid: %d\n", sid)); 480 return (size_t)-1; 481 482 } 483 DPRINTF(("\n")); 484 return i; 485 } 486 487 int 488 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 489 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 490 { 491 size_t ss = CDF_SEC_SIZE(h), i, j; 492 ssize_t nr; 493 scn->sst_len = cdf_count_chain(sat, sid, ss); 494 scn->sst_dirlen = len; 495 496 if (scn->sst_len == (size_t)-1) 497 return -1; 498 499 scn->sst_tab = calloc(scn->sst_len, ss); 500 if (scn->sst_tab == NULL) 501 return -1; 502 503 for (j = i = 0; sid >= 0; i++, j++) { 504 if (j >= CDF_LOOP_LIMIT) { 505 DPRINTF(("Read long sector chain loop limit")); 506 errno = EFTYPE; 507 goto out; 508 } 509 if (i >= scn->sst_len) { 510 DPRINTF(("Out of bounds reading long sector chain " 511 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 512 scn->sst_len)); 513 errno = EFTYPE; 514 goto out; 515 } 516 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 517 sid)) != (ssize_t)ss) { 518 if (i == scn->sst_len - 1 && nr > 0) { 519 /* Last sector might be truncated */ 520 return 0; 521 } 522 DPRINTF(("Reading long sector chain %d", sid)); 523 goto out; 524 } 525 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 526 } 527 return 0; 528 out: 529 free(scn->sst_tab); 530 return -1; 531 } 532 533 int 534 cdf_read_short_sector_chain(const cdf_header_t *h, 535 const cdf_sat_t *ssat, const cdf_stream_t *sst, 536 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 537 { 538 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 539 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 540 scn->sst_dirlen = len; 541 542 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1) 543 return -1; 544 545 scn->sst_tab = calloc(scn->sst_len, ss); 546 if (scn->sst_tab == NULL) 547 return -1; 548 549 for (j = i = 0; sid >= 0; i++, j++) { 550 if (j >= CDF_LOOP_LIMIT) { 551 DPRINTF(("Read short sector chain loop limit")); 552 errno = EFTYPE; 553 goto out; 554 } 555 if (i >= scn->sst_len) { 556 DPRINTF(("Out of bounds reading short sector chain " 557 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 558 i, scn->sst_len)); 559 errno = EFTYPE; 560 goto out; 561 } 562 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 563 sid) != (ssize_t)ss) { 564 DPRINTF(("Reading short sector chain %d", sid)); 565 goto out; 566 } 567 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 568 } 569 return 0; 570 out: 571 free(scn->sst_tab); 572 return -1; 573 } 574 575 int 576 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 577 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 578 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 579 { 580 581 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 582 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 583 scn); 584 else 585 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 586 } 587 588 int 589 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 590 const cdf_sat_t *sat, cdf_dir_t *dir) 591 { 592 size_t i, j; 593 size_t ss = CDF_SEC_SIZE(h), ns, nd; 594 char *buf; 595 cdf_secid_t sid = h->h_secid_first_directory; 596 597 ns = cdf_count_chain(sat, sid, ss); 598 if (ns == (size_t)-1) 599 return -1; 600 601 nd = ss / CDF_DIRECTORY_SIZE; 602 603 dir->dir_len = ns * nd; 604 dir->dir_tab = CAST(cdf_directory_t *, 605 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 606 if (dir->dir_tab == NULL) 607 return -1; 608 609 if ((buf = CAST(char *, malloc(ss))) == NULL) { 610 free(dir->dir_tab); 611 return -1; 612 } 613 614 for (j = i = 0; i < ns; i++, j++) { 615 if (j >= CDF_LOOP_LIMIT) { 616 DPRINTF(("Read dir loop limit")); 617 errno = EFTYPE; 618 goto out; 619 } 620 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 621 DPRINTF(("Reading directory sector %d", sid)); 622 goto out; 623 } 624 for (j = 0; j < nd; j++) { 625 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 626 &buf[j * CDF_DIRECTORY_SIZE]); 627 } 628 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 629 } 630 if (NEED_SWAP) 631 for (i = 0; i < dir->dir_len; i++) 632 cdf_swap_dir(&dir->dir_tab[i]); 633 free(buf); 634 return 0; 635 out: 636 free(dir->dir_tab); 637 free(buf); 638 return -1; 639 } 640 641 642 int 643 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 644 const cdf_sat_t *sat, cdf_sat_t *ssat) 645 { 646 size_t i, j; 647 size_t ss = CDF_SEC_SIZE(h); 648 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 649 650 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h)); 651 if (ssat->sat_len == (size_t)-1) 652 return -1; 653 654 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 655 if (ssat->sat_tab == NULL) 656 return -1; 657 658 for (j = i = 0; sid >= 0; i++, j++) { 659 if (j >= CDF_LOOP_LIMIT) { 660 DPRINTF(("Read short sat sector loop limit")); 661 errno = EFTYPE; 662 goto out; 663 } 664 if (i >= ssat->sat_len) { 665 DPRINTF(("Out of bounds reading short sector chain " 666 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 667 ssat->sat_len)); 668 errno = EFTYPE; 669 goto out; 670 } 671 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 672 (ssize_t)ss) { 673 DPRINTF(("Reading short sat sector %d", sid)); 674 goto out; 675 } 676 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 677 } 678 return 0; 679 out: 680 free(ssat->sat_tab); 681 return -1; 682 } 683 684 int 685 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 686 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 687 const cdf_directory_t **root) 688 { 689 size_t i; 690 const cdf_directory_t *d; 691 692 *root = NULL; 693 for (i = 0; i < dir->dir_len; i++) 694 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 695 break; 696 697 /* If the it is not there, just fake it; some docs don't have it */ 698 if (i == dir->dir_len) 699 goto out; 700 d = &dir->dir_tab[i]; 701 *root = d; 702 703 /* If the it is not there, just fake it; some docs don't have it */ 704 if (d->d_stream_first_sector < 0) 705 goto out; 706 707 return cdf_read_long_sector_chain(info, h, sat, 708 d->d_stream_first_sector, d->d_size, scn); 709 out: 710 scn->sst_tab = NULL; 711 scn->sst_len = 0; 712 scn->sst_dirlen = 0; 713 return 0; 714 } 715 716 static int 717 cdf_namecmp(const char *d, const uint16_t *s, size_t l) 718 { 719 for (; l--; d++, s++) 720 if (*d != CDF_TOLE2(*s)) 721 return (unsigned char)*d - CDF_TOLE2(*s); 722 return 0; 723 } 724 725 int 726 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 727 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 728 const cdf_dir_t *dir, cdf_stream_t *scn) 729 { 730 return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 731 "\05SummaryInformation", scn); 732 } 733 734 int 735 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 736 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 737 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 738 { 739 size_t i; 740 const cdf_directory_t *d; 741 size_t name_len = strlen(name) + 1; 742 743 for (i = dir->dir_len; i > 0; i--) 744 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM && 745 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 746 == 0) 747 break; 748 749 if (i == 0) { 750 DPRINTF(("Cannot find user stream `%s'\n", name)); 751 errno = ESRCH; 752 return -1; 753 } 754 d = &dir->dir_tab[i - 1]; 755 return cdf_read_sector_chain(info, h, sat, ssat, sst, 756 d->d_stream_first_sector, d->d_size, scn); 757 } 758 759 int 760 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 761 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 762 { 763 const cdf_section_header_t *shp; 764 cdf_section_header_t sh; 765 const uint8_t *p, *q, *e; 766 int16_t s16; 767 int32_t s32; 768 uint32_t u32; 769 int64_t s64; 770 uint64_t u64; 771 cdf_timestamp_t tp; 772 size_t i, o, o4, nelements, j; 773 cdf_property_info_t *inp; 774 775 if (offs > UINT32_MAX / 4) { 776 errno = EFTYPE; 777 goto out; 778 } 779 shp = CAST(const cdf_section_header_t *, (const void *) 780 ((const char *)sst->sst_tab + offs)); 781 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 782 goto out; 783 sh.sh_len = CDF_TOLE4(shp->sh_len); 784 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 785 if (sh.sh_len > CDF_SHLEN_LIMIT) { 786 errno = EFTYPE; 787 goto out; 788 } 789 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 790 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 791 if (sh.sh_properties > CDF_PROP_LIMIT) 792 goto out; 793 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 794 sh.sh_properties)); 795 if (*maxcount) { 796 if (*maxcount > CDF_PROP_LIMIT) 797 goto out; 798 *maxcount += sh.sh_properties; 799 inp = CAST(cdf_property_info_t *, 800 realloc(*info, *maxcount * sizeof(*inp))); 801 } else { 802 *maxcount = sh.sh_properties; 803 inp = CAST(cdf_property_info_t *, 804 malloc(*maxcount * sizeof(*inp))); 805 } 806 if (inp == NULL) 807 goto out; 808 *info = inp; 809 inp += *count; 810 *count += sh.sh_properties; 811 p = CAST(const uint8_t *, (const void *) 812 ((const char *)(const void *)sst->sst_tab + 813 offs + sizeof(sh))); 814 e = CAST(const uint8_t *, (const void *) 815 (((const char *)(const void *)shp) + sh.sh_len)); 816 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 817 goto out; 818 for (i = 0; i < sh.sh_properties; i++) { 819 size_t tail = (i << 1) + 1; 820 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), 821 __LINE__) == -1) 822 goto out; 823 size_t ofs = CDF_GETUINT32(p, tail); 824 q = (const uint8_t *)(const void *) 825 ((const char *)(const void *)p + ofs 826 - 2 * sizeof(uint32_t)); 827 if (q > e) { 828 DPRINTF(("Ran of the end %p > %p\n", q, e)); 829 goto out; 830 } 831 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 832 inp[i].pi_type = CDF_GETUINT32(q, 0); 833 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 834 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 835 if (inp[i].pi_type & CDF_VECTOR) { 836 nelements = CDF_GETUINT32(q, 1); 837 if (nelements == 0) { 838 DPRINTF(("CDF_VECTOR with nelements == 0\n")); 839 goto out; 840 } 841 o = 2; 842 } else { 843 nelements = 1; 844 o = 1; 845 } 846 o4 = o * sizeof(uint32_t); 847 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 848 goto unknown; 849 switch (inp[i].pi_type & CDF_TYPEMASK) { 850 case CDF_NULL: 851 case CDF_EMPTY: 852 break; 853 case CDF_SIGNED16: 854 if (inp[i].pi_type & CDF_VECTOR) 855 goto unknown; 856 (void)memcpy(&s16, &q[o4], sizeof(s16)); 857 inp[i].pi_s16 = CDF_TOLE2(s16); 858 break; 859 case CDF_SIGNED32: 860 if (inp[i].pi_type & CDF_VECTOR) 861 goto unknown; 862 (void)memcpy(&s32, &q[o4], sizeof(s32)); 863 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 864 break; 865 case CDF_BOOL: 866 case CDF_UNSIGNED32: 867 if (inp[i].pi_type & CDF_VECTOR) 868 goto unknown; 869 (void)memcpy(&u32, &q[o4], sizeof(u32)); 870 inp[i].pi_u32 = CDF_TOLE4(u32); 871 break; 872 case CDF_SIGNED64: 873 if (inp[i].pi_type & CDF_VECTOR) 874 goto unknown; 875 (void)memcpy(&s64, &q[o4], sizeof(s64)); 876 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 877 break; 878 case CDF_UNSIGNED64: 879 if (inp[i].pi_type & CDF_VECTOR) 880 goto unknown; 881 (void)memcpy(&u64, &q[o4], sizeof(u64)); 882 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 883 break; 884 case CDF_FLOAT: 885 if (inp[i].pi_type & CDF_VECTOR) 886 goto unknown; 887 (void)memcpy(&u32, &q[o4], sizeof(u32)); 888 u32 = CDF_TOLE4(u32); 889 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 890 break; 891 case CDF_DOUBLE: 892 if (inp[i].pi_type & CDF_VECTOR) 893 goto unknown; 894 (void)memcpy(&u64, &q[o4], sizeof(u64)); 895 u64 = CDF_TOLE8((uint64_t)u64); 896 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 897 break; 898 case CDF_LENGTH32_STRING: 899 case CDF_LENGTH32_WSTRING: 900 if (nelements > 1) { 901 size_t nelem = inp - *info; 902 if (*maxcount > CDF_PROP_LIMIT 903 || nelements > CDF_PROP_LIMIT) 904 goto out; 905 *maxcount += nelements; 906 inp = CAST(cdf_property_info_t *, 907 realloc(*info, *maxcount * sizeof(*inp))); 908 if (inp == NULL) 909 goto out; 910 *info = inp; 911 inp = *info + nelem; 912 } 913 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 914 nelements)); 915 for (j = 0; j < nelements && i < sh.sh_properties; 916 j++, i++) 917 { 918 uint32_t l = CDF_GETUINT32(q, o); 919 inp[i].pi_str.s_len = l; 920 inp[i].pi_str.s_buf = (const char *) 921 (const void *)(&q[o4 + sizeof(l)]); 922 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 923 "u, s = %s\n", l, 924 CDF_ROUND(l, sizeof(l)), 925 inp[i].pi_str.s_buf)); 926 if (l & 1) 927 l++; 928 o += l >> 1; 929 if (q + o >= e) 930 goto out; 931 o4 = o * sizeof(uint32_t); 932 } 933 i--; 934 break; 935 case CDF_FILETIME: 936 if (inp[i].pi_type & CDF_VECTOR) 937 goto unknown; 938 (void)memcpy(&tp, &q[o4], sizeof(tp)); 939 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 940 break; 941 case CDF_CLIPBOARD: 942 if (inp[i].pi_type & CDF_VECTOR) 943 goto unknown; 944 break; 945 default: 946 unknown: 947 DPRINTF(("Don't know how to deal with %x\n", 948 inp[i].pi_type)); 949 break; 950 } 951 } 952 return 0; 953 out: 954 free(*info); 955 return -1; 956 } 957 958 int 959 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 960 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 961 { 962 size_t maxcount; 963 const cdf_summary_info_header_t *si = 964 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 965 const cdf_section_declaration_t *sd = 966 CAST(const cdf_section_declaration_t *, (const void *) 967 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 968 969 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 970 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 971 return -1; 972 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 973 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 974 ssi->si_os = CDF_TOLE2(si->si_os); 975 ssi->si_class = si->si_class; 976 cdf_swap_class(&ssi->si_class); 977 ssi->si_count = CDF_TOLE4(si->si_count); 978 *count = 0; 979 maxcount = 0; 980 *info = NULL; 981 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 982 count, &maxcount) == -1) 983 return -1; 984 return 0; 985 } 986 987 988 989 int 990 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 991 { 992 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 993 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 994 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 995 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 996 id->cl_six[5]); 997 } 998 999 static const struct { 1000 uint32_t v; 1001 const char *n; 1002 } vn[] = { 1003 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1004 { CDF_PROPERTY_TITLE, "Title" }, 1005 { CDF_PROPERTY_SUBJECT, "Subject" }, 1006 { CDF_PROPERTY_AUTHOR, "Author" }, 1007 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1008 { CDF_PROPERTY_COMMENTS, "Comments" }, 1009 { CDF_PROPERTY_TEMPLATE, "Template" }, 1010 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1011 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1012 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1013 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1014 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1015 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1016 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1017 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1018 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1019 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1020 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1021 { CDF_PROPERTY_SECURITY, "Security" }, 1022 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1023 }; 1024 1025 int 1026 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1027 { 1028 size_t i; 1029 1030 for (i = 0; i < __arraycount(vn); i++) 1031 if (vn[i].v == p) 1032 return snprintf(buf, bufsiz, "%s", vn[i].n); 1033 return snprintf(buf, bufsiz, "0x%x", p); 1034 } 1035 1036 int 1037 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1038 { 1039 int len = 0; 1040 int days, hours, mins, secs; 1041 1042 ts /= CDF_TIME_PREC; 1043 secs = (int)(ts % 60); 1044 ts /= 60; 1045 mins = (int)(ts % 60); 1046 ts /= 60; 1047 hours = (int)(ts % 24); 1048 ts /= 24; 1049 days = (int)ts; 1050 1051 if (days) { 1052 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1053 if ((size_t)len >= bufsiz) 1054 return len; 1055 } 1056 1057 if (days || hours) { 1058 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1059 if ((size_t)len >= bufsiz) 1060 return len; 1061 } 1062 1063 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1064 if ((size_t)len >= bufsiz) 1065 return len; 1066 1067 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1068 return len; 1069 } 1070 1071 1072 #ifdef CDF_DEBUG 1073 void 1074 cdf_dump_header(const cdf_header_t *h) 1075 { 1076 size_t i; 1077 1078 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1079 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1080 h->h_ ## b, 1 << h->h_ ## b) 1081 DUMP("%d", revision); 1082 DUMP("%d", version); 1083 DUMP("0x%x", byte_order); 1084 DUMP2("%d", sec_size_p2); 1085 DUMP2("%d", short_sec_size_p2); 1086 DUMP("%d", num_sectors_in_sat); 1087 DUMP("%d", secid_first_directory); 1088 DUMP("%d", min_size_standard_stream); 1089 DUMP("%d", secid_first_sector_in_short_sat); 1090 DUMP("%d", num_sectors_in_short_sat); 1091 DUMP("%d", secid_first_sector_in_master_sat); 1092 DUMP("%d", num_sectors_in_master_sat); 1093 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1094 if (h->h_master_sat[i] == CDF_SECID_FREE) 1095 break; 1096 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n", 1097 "master_sat", i, h->h_master_sat[i]); 1098 } 1099 } 1100 1101 void 1102 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1103 { 1104 size_t i, j, s = size / sizeof(cdf_secid_t); 1105 1106 for (i = 0; i < sat->sat_len; i++) { 1107 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1108 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1109 for (j = 0; j < s; j++) { 1110 (void)fprintf(stderr, "%5d, ", 1111 CDF_TOLE4(sat->sat_tab[s * i + j])); 1112 if ((j + 1) % 10 == 0) 1113 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1114 "u: ", i * s + j + 1); 1115 } 1116 (void)fprintf(stderr, "\n"); 1117 } 1118 } 1119 1120 void 1121 cdf_dump(void *v, size_t len) 1122 { 1123 size_t i, j; 1124 unsigned char *p = v; 1125 char abuf[16]; 1126 (void)fprintf(stderr, "%.4x: ", 0); 1127 for (i = 0, j = 0; i < len; i++, p++) { 1128 (void)fprintf(stderr, "%.2x ", *p); 1129 abuf[j++] = isprint(*p) ? *p : '.'; 1130 if (j == 16) { 1131 j = 0; 1132 abuf[15] = '\0'; 1133 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1134 abuf, i + 1); 1135 } 1136 } 1137 (void)fprintf(stderr, "\n"); 1138 } 1139 1140 void 1141 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1142 { 1143 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1144 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1145 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1146 } 1147 1148 void 1149 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1150 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1151 const cdf_dir_t *dir) 1152 { 1153 size_t i, j; 1154 cdf_directory_t *d; 1155 char name[__arraycount(d->d_name)]; 1156 cdf_stream_t scn; 1157 struct timespec ts; 1158 1159 static const char *types[] = { "empty", "user storage", 1160 "user stream", "lockbytes", "property", "root storage" }; 1161 1162 for (i = 0; i < dir->dir_len; i++) { 1163 char buf[26]; 1164 d = &dir->dir_tab[i]; 1165 for (j = 0; j < sizeof(name); j++) 1166 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1167 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1168 i, name); 1169 if (d->d_type < __arraycount(types)) 1170 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1171 else 1172 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1173 (void)fprintf(stderr, "Color: %s\n", 1174 d->d_color ? "black" : "red"); 1175 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1176 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1177 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1178 cdf_timestamp_to_timespec(&ts, d->d_created); 1179 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1180 cdf_timestamp_to_timespec(&ts, d->d_modified); 1181 (void)fprintf(stderr, "Modified %s", 1182 cdf_ctime(&ts.tv_sec, buf)); 1183 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1184 (void)fprintf(stderr, "Size %d\n", d->d_size); 1185 switch (d->d_type) { 1186 case CDF_DIR_TYPE_USER_STORAGE: 1187 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1188 break; 1189 case CDF_DIR_TYPE_USER_STREAM: 1190 if (sst == NULL) 1191 break; 1192 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1193 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1194 warn("Can't read stream for %s at %d len %d", 1195 name, d->d_stream_first_sector, d->d_size); 1196 break; 1197 } 1198 cdf_dump_stream(h, &scn); 1199 free(scn.sst_tab); 1200 break; 1201 default: 1202 break; 1203 } 1204 1205 } 1206 } 1207 1208 void 1209 cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1210 { 1211 cdf_timestamp_t tp; 1212 struct timespec ts; 1213 char buf[64]; 1214 size_t i, j; 1215 1216 for (i = 0; i < count; i++) { 1217 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1218 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1219 switch (info[i].pi_type) { 1220 case CDF_NULL: 1221 break; 1222 case CDF_SIGNED16: 1223 (void)fprintf(stderr, "signed 16 [%hd]\n", 1224 info[i].pi_s16); 1225 break; 1226 case CDF_SIGNED32: 1227 (void)fprintf(stderr, "signed 32 [%d]\n", 1228 info[i].pi_s32); 1229 break; 1230 case CDF_UNSIGNED32: 1231 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1232 info[i].pi_u32); 1233 break; 1234 case CDF_FLOAT: 1235 (void)fprintf(stderr, "float [%g]\n", 1236 info[i].pi_f); 1237 break; 1238 case CDF_DOUBLE: 1239 (void)fprintf(stderr, "double [%g]\n", 1240 info[i].pi_d); 1241 break; 1242 case CDF_LENGTH32_STRING: 1243 (void)fprintf(stderr, "string %u [%.*s]\n", 1244 info[i].pi_str.s_len, 1245 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1246 break; 1247 case CDF_LENGTH32_WSTRING: 1248 (void)fprintf(stderr, "string %u [", 1249 info[i].pi_str.s_len); 1250 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1251 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1252 (void)fprintf(stderr, "]\n"); 1253 break; 1254 case CDF_FILETIME: 1255 tp = info[i].pi_tp; 1256 if (tp < 1000000000000000LL) { 1257 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1258 (void)fprintf(stderr, "timestamp %s\n", buf); 1259 } else { 1260 char buf[26]; 1261 cdf_timestamp_to_timespec(&ts, tp); 1262 (void)fprintf(stderr, "timestamp %s", 1263 cdf_ctime(&ts.tv_sec, buf)); 1264 } 1265 break; 1266 case CDF_CLIPBOARD: 1267 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1268 break; 1269 default: 1270 DPRINTF(("Don't know how to deal with %x\n", 1271 info[i].pi_type)); 1272 break; 1273 } 1274 } 1275 } 1276 1277 1278 void 1279 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1280 { 1281 char buf[128]; 1282 cdf_summary_info_header_t ssi; 1283 cdf_property_info_t *info; 1284 size_t count; 1285 1286 (void)&h; 1287 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1288 return; 1289 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1290 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1291 ssi.si_os_version >> 8); 1292 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1293 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1294 (void)fprintf(stderr, "Class %s\n", buf); 1295 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1296 cdf_dump_property_info(info, count); 1297 free(info); 1298 } 1299 1300 #endif 1301 1302 #ifdef TEST 1303 int 1304 main(int argc, char *argv[]) 1305 { 1306 int i; 1307 cdf_header_t h; 1308 cdf_sat_t sat, ssat; 1309 cdf_stream_t sst, scn; 1310 cdf_dir_t dir; 1311 cdf_info_t info; 1312 1313 if (argc < 2) { 1314 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1315 return -1; 1316 } 1317 1318 info.i_buf = NULL; 1319 info.i_len = 0; 1320 for (i = 1; i < argc; i++) { 1321 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1322 err(1, "Cannot open `%s'", argv[1]); 1323 1324 if (cdf_read_header(&info, &h) == -1) 1325 err(1, "Cannot read header"); 1326 #ifdef CDF_DEBUG 1327 cdf_dump_header(&h); 1328 #endif 1329 1330 if (cdf_read_sat(&info, &h, &sat) == -1) 1331 err(1, "Cannot read sat"); 1332 #ifdef CDF_DEBUG 1333 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1334 #endif 1335 1336 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1337 err(1, "Cannot read ssat"); 1338 #ifdef CDF_DEBUG 1339 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1340 #endif 1341 1342 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1343 err(1, "Cannot read dir"); 1344 1345 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1) 1346 err(1, "Cannot read short stream"); 1347 #ifdef CDF_DEBUG 1348 cdf_dump_stream(&h, &sst); 1349 #endif 1350 1351 #ifdef CDF_DEBUG 1352 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1353 #endif 1354 1355 1356 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1357 &scn) == -1) 1358 err(1, "Cannot read summary info"); 1359 #ifdef CDF_DEBUG 1360 cdf_dump_summary_info(&h, &scn); 1361 #endif 1362 1363 (void)close(info.i_fd); 1364 } 1365 1366 return 0; 1367 } 1368 #endif 1369