1 /* $NetBSD: cdf.c,v 1.8 2013/03/23 16:15:58 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 Christos Zoulas 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /* 29 * Parse Composite Document Files, the format used in Microsoft Office 30 * document files before they switched to zipped XML. 31 * Info from: http://sc.openoffice.org/compdocfileformat.pdf 32 * 33 * N.B. This is the "Composite Document File" format, and not the 34 * "Compound Document Format", nor the "Channel Definition Format". 35 */ 36 37 #include "file.h" 38 39 #ifndef lint 40 #if 0 41 FILE_RCSID("@(#)$File: cdf.c,v 1.53 2013/02/26 16:20:42 christos Exp $") 42 #else 43 __RCSID("$NetBSD: cdf.c,v 1.8 2013/03/23 16:15:58 christos Exp $"); 44 #endif 45 #endif 46 47 #include <assert.h> 48 #ifdef CDF_DEBUG 49 #include <err.h> 50 #endif 51 #include <stdlib.h> 52 #include <unistd.h> 53 #include <string.h> 54 #include <time.h> 55 #include <ctype.h> 56 #ifdef HAVE_LIMITS_H 57 #include <limits.h> 58 #endif 59 60 #ifndef EFTYPE 61 #define EFTYPE EINVAL 62 #endif 63 64 #include "cdf.h" 65 66 #ifdef CDF_DEBUG 67 #define DPRINTF(a) printf a, fflush(stdout) 68 #else 69 #define DPRINTF(a) 70 #endif 71 72 static union { 73 char s[4]; 74 uint32_t u; 75 } cdf_bo; 76 77 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304) 78 79 #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? _cdf_tole8(x) : (uint64_t)(x))) 80 #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? _cdf_tole4(x) : (uint32_t)(x))) 81 #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (uint16_t)(x))) 82 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 83 84 85 /* 86 * swap a short 87 */ 88 static uint16_t 89 _cdf_tole2(uint16_t sv) 90 { 91 uint16_t rv; 92 uint8_t *s = (uint8_t *)(void *)&sv; 93 uint8_t *d = (uint8_t *)(void *)&rv; 94 d[0] = s[1]; 95 d[1] = s[0]; 96 return rv; 97 } 98 99 /* 100 * swap an int 101 */ 102 static uint32_t 103 _cdf_tole4(uint32_t sv) 104 { 105 uint32_t rv; 106 uint8_t *s = (uint8_t *)(void *)&sv; 107 uint8_t *d = (uint8_t *)(void *)&rv; 108 d[0] = s[3]; 109 d[1] = s[2]; 110 d[2] = s[1]; 111 d[3] = s[0]; 112 return rv; 113 } 114 115 /* 116 * swap a quad 117 */ 118 static uint64_t 119 _cdf_tole8(uint64_t sv) 120 { 121 uint64_t rv; 122 uint8_t *s = (uint8_t *)(void *)&sv; 123 uint8_t *d = (uint8_t *)(void *)&rv; 124 d[0] = s[7]; 125 d[1] = s[6]; 126 d[2] = s[5]; 127 d[3] = s[4]; 128 d[4] = s[3]; 129 d[5] = s[2]; 130 d[6] = s[1]; 131 d[7] = s[0]; 132 return rv; 133 } 134 135 /* 136 * grab a uint32_t from a possibly unaligned address, and return it in 137 * the native host order. 138 */ 139 static uint32_t 140 cdf_getuint32(const uint8_t *p, size_t offs) 141 { 142 uint32_t rv; 143 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 144 return CDF_TOLE4(rv); 145 } 146 147 #define CDF_UNPACK(a) \ 148 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 149 #define CDF_UNPACKA(a) \ 150 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 151 152 uint16_t 153 cdf_tole2(uint16_t sv) 154 { 155 return CDF_TOLE2(sv); 156 } 157 158 uint32_t 159 cdf_tole4(uint32_t sv) 160 { 161 return CDF_TOLE4(sv); 162 } 163 164 uint64_t 165 cdf_tole8(uint64_t sv) 166 { 167 return CDF_TOLE8(sv); 168 } 169 170 void 171 cdf_swap_header(cdf_header_t *h) 172 { 173 size_t i; 174 175 h->h_magic = CDF_TOLE8(h->h_magic); 176 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 177 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 178 h->h_revision = CDF_TOLE2(h->h_revision); 179 h->h_version = CDF_TOLE2(h->h_version); 180 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 181 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 182 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 183 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 184 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 185 h->h_min_size_standard_stream = 186 CDF_TOLE4(h->h_min_size_standard_stream); 187 h->h_secid_first_sector_in_short_sat = 188 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 189 h->h_num_sectors_in_short_sat = 190 CDF_TOLE4(h->h_num_sectors_in_short_sat); 191 h->h_secid_first_sector_in_master_sat = 192 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 193 h->h_num_sectors_in_master_sat = 194 CDF_TOLE4(h->h_num_sectors_in_master_sat); 195 for (i = 0; i < __arraycount(h->h_master_sat); i++) 196 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 197 } 198 199 void 200 cdf_unpack_header(cdf_header_t *h, char *buf) 201 { 202 size_t i; 203 size_t len = 0; 204 205 CDF_UNPACK(h->h_magic); 206 CDF_UNPACKA(h->h_uuid); 207 CDF_UNPACK(h->h_revision); 208 CDF_UNPACK(h->h_version); 209 CDF_UNPACK(h->h_byte_order); 210 CDF_UNPACK(h->h_sec_size_p2); 211 CDF_UNPACK(h->h_short_sec_size_p2); 212 CDF_UNPACKA(h->h_unused0); 213 CDF_UNPACK(h->h_num_sectors_in_sat); 214 CDF_UNPACK(h->h_secid_first_directory); 215 CDF_UNPACKA(h->h_unused1); 216 CDF_UNPACK(h->h_min_size_standard_stream); 217 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 218 CDF_UNPACK(h->h_num_sectors_in_short_sat); 219 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 220 CDF_UNPACK(h->h_num_sectors_in_master_sat); 221 for (i = 0; i < __arraycount(h->h_master_sat); i++) 222 CDF_UNPACK(h->h_master_sat[i]); 223 } 224 225 void 226 cdf_swap_dir(cdf_directory_t *d) 227 { 228 d->d_namelen = CDF_TOLE2(d->d_namelen); 229 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 230 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 231 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 232 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 233 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 234 d->d_flags = CDF_TOLE4(d->d_flags); 235 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 236 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 237 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 238 d->d_size = CDF_TOLE4(d->d_size); 239 } 240 241 void 242 cdf_swap_class(cdf_classid_t *d) 243 { 244 d->cl_dword = CDF_TOLE4(d->cl_dword); 245 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 246 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 247 } 248 249 void 250 cdf_unpack_dir(cdf_directory_t *d, char *buf) 251 { 252 size_t len = 0; 253 254 CDF_UNPACKA(d->d_name); 255 CDF_UNPACK(d->d_namelen); 256 CDF_UNPACK(d->d_type); 257 CDF_UNPACK(d->d_color); 258 CDF_UNPACK(d->d_left_child); 259 CDF_UNPACK(d->d_right_child); 260 CDF_UNPACK(d->d_storage); 261 CDF_UNPACKA(d->d_storage_uuid); 262 CDF_UNPACK(d->d_flags); 263 CDF_UNPACK(d->d_created); 264 CDF_UNPACK(d->d_modified); 265 CDF_UNPACK(d->d_stream_first_sector); 266 CDF_UNPACK(d->d_size); 267 CDF_UNPACK(d->d_unused0); 268 } 269 270 static int 271 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 272 const void *p, size_t tail, int line) 273 { 274 const char *b = (const char *)sst->sst_tab; 275 const char *e = ((const char *)p) + tail; 276 (void)&line; 277 if (e >= b && (size_t)(e - b) <= CDF_SEC_SIZE(h) * sst->sst_len) 278 return 0; 279 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 280 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 281 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 282 CDF_SEC_SIZE(h) * sst->sst_len, CDF_SEC_SIZE(h), sst->sst_len)); 283 errno = EFTYPE; 284 return -1; 285 } 286 287 static ssize_t 288 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 289 { 290 size_t siz = (size_t)off + len; 291 292 if ((off_t)(off + len) != (off_t)siz) { 293 errno = EINVAL; 294 return -1; 295 } 296 297 if (info->i_buf != NULL && info->i_len >= siz) { 298 (void)memcpy(buf, &info->i_buf[off], len); 299 return (ssize_t)len; 300 } 301 302 if (info->i_fd == -1) 303 return -1; 304 305 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 306 return -1; 307 308 return (ssize_t)len; 309 } 310 311 int 312 cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 313 { 314 char buf[512]; 315 316 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 317 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 318 return -1; 319 cdf_unpack_header(h, buf); 320 cdf_swap_header(h); 321 if (h->h_magic != CDF_MAGIC) { 322 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 323 INT64_T_FORMAT "x\n", 324 (unsigned long long)h->h_magic, 325 (unsigned long long)CDF_MAGIC)); 326 goto out; 327 } 328 if (h->h_sec_size_p2 > 20) { 329 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 330 goto out; 331 } 332 if (h->h_short_sec_size_p2 > 20) { 333 DPRINTF(("Bad short sector size 0x%u\n", 334 h->h_short_sec_size_p2)); 335 goto out; 336 } 337 return 0; 338 out: 339 errno = EFTYPE; 340 return -1; 341 } 342 343 344 ssize_t 345 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 346 const cdf_header_t *h, cdf_secid_t id) 347 { 348 size_t ss = CDF_SEC_SIZE(h); 349 size_t pos = CDF_SEC_POS(h, id); 350 assert(ss == len); 351 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 352 } 353 354 ssize_t 355 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 356 size_t len, const cdf_header_t *h, cdf_secid_t id) 357 { 358 size_t ss = CDF_SHORT_SEC_SIZE(h); 359 size_t pos = CDF_SHORT_SEC_POS(h, id); 360 assert(ss == len); 361 if (pos > CDF_SEC_SIZE(h) * sst->sst_len) { 362 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 363 SIZE_T_FORMAT "u\n", 364 pos, CDF_SEC_SIZE(h) * sst->sst_len)); 365 return -1; 366 } 367 (void)memcpy(((char *)buf) + offs, 368 ((const char *)sst->sst_tab) + pos, len); 369 return len; 370 } 371 372 /* 373 * Read the sector allocation table. 374 */ 375 int 376 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 377 { 378 size_t i, j, k; 379 size_t ss = CDF_SEC_SIZE(h); 380 cdf_secid_t *msa, mid, sec; 381 size_t nsatpersec = (ss / sizeof(mid)) - 1; 382 383 for (i = 0; i < __arraycount(h->h_master_sat); i++) 384 if (h->h_master_sat[i] == CDF_SECID_FREE) 385 break; 386 387 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 388 if ((nsatpersec > 0 && 389 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 390 i > CDF_SEC_LIMIT) { 391 DPRINTF(("Number of sectors in master SAT too big %u %" 392 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 393 errno = EFTYPE; 394 return -1; 395 } 396 397 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 398 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 399 sat->sat_len, ss)); 400 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 401 == NULL) 402 return -1; 403 404 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 405 if (h->h_master_sat[i] < 0) 406 break; 407 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 408 h->h_master_sat[i]) != (ssize_t)ss) { 409 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 410 goto out1; 411 } 412 } 413 414 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 415 goto out1; 416 417 mid = h->h_secid_first_sector_in_master_sat; 418 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 419 if (mid < 0) 420 goto out; 421 if (j >= CDF_LOOP_LIMIT) { 422 DPRINTF(("Reading master sector loop limit")); 423 errno = EFTYPE; 424 goto out2; 425 } 426 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 427 DPRINTF(("Reading master sector %d", mid)); 428 goto out2; 429 } 430 for (k = 0; k < nsatpersec; k++, i++) { 431 sec = CDF_TOLE4((uint32_t)msa[k]); 432 if (sec < 0) 433 goto out; 434 if (i >= sat->sat_len) { 435 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 436 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 437 errno = EFTYPE; 438 goto out2; 439 } 440 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 441 sec) != (ssize_t)ss) { 442 DPRINTF(("Reading sector %d", 443 CDF_TOLE4(msa[k]))); 444 goto out2; 445 } 446 } 447 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 448 } 449 out: 450 sat->sat_len = i; 451 free(msa); 452 return 0; 453 out2: 454 free(msa); 455 out1: 456 free(sat->sat_tab); 457 return -1; 458 } 459 460 size_t 461 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 462 { 463 size_t i, j; 464 cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size); 465 466 DPRINTF(("Chain:")); 467 for (j = i = 0; sid >= 0; i++, j++) { 468 DPRINTF((" %d", sid)); 469 if (j >= CDF_LOOP_LIMIT) { 470 DPRINTF(("Counting chain loop limit")); 471 errno = EFTYPE; 472 return (size_t)-1; 473 } 474 if (sid > maxsector) { 475 DPRINTF(("Sector %d > %d\n", sid, maxsector)); 476 errno = EFTYPE; 477 return (size_t)-1; 478 } 479 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 480 } 481 DPRINTF(("\n")); 482 return i; 483 } 484 485 int 486 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 487 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 488 { 489 size_t ss = CDF_SEC_SIZE(h), i, j; 490 ssize_t nr; 491 scn->sst_len = cdf_count_chain(sat, sid, ss); 492 scn->sst_dirlen = len; 493 494 if (scn->sst_len == (size_t)-1) 495 return -1; 496 497 scn->sst_tab = calloc(scn->sst_len, ss); 498 if (scn->sst_tab == NULL) 499 return -1; 500 501 for (j = i = 0; sid >= 0; i++, j++) { 502 if (j >= CDF_LOOP_LIMIT) { 503 DPRINTF(("Read long sector chain loop limit")); 504 errno = EFTYPE; 505 goto out; 506 } 507 if (i >= scn->sst_len) { 508 DPRINTF(("Out of bounds reading long sector chain " 509 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 510 scn->sst_len)); 511 errno = EFTYPE; 512 goto out; 513 } 514 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 515 sid)) != (ssize_t)ss) { 516 if (i == scn->sst_len - 1 && nr > 0) { 517 /* Last sector might be truncated */ 518 return 0; 519 } 520 DPRINTF(("Reading long sector chain %d", sid)); 521 goto out; 522 } 523 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 524 } 525 return 0; 526 out: 527 free(scn->sst_tab); 528 return -1; 529 } 530 531 int 532 cdf_read_short_sector_chain(const cdf_header_t *h, 533 const cdf_sat_t *ssat, const cdf_stream_t *sst, 534 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 535 { 536 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 537 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 538 scn->sst_dirlen = len; 539 540 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1) 541 return -1; 542 543 scn->sst_tab = calloc(scn->sst_len, ss); 544 if (scn->sst_tab == NULL) 545 return -1; 546 547 for (j = i = 0; sid >= 0; i++, j++) { 548 if (j >= CDF_LOOP_LIMIT) { 549 DPRINTF(("Read short sector chain loop limit")); 550 errno = EFTYPE; 551 goto out; 552 } 553 if (i >= scn->sst_len) { 554 DPRINTF(("Out of bounds reading short sector chain " 555 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 556 i, scn->sst_len)); 557 errno = EFTYPE; 558 goto out; 559 } 560 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 561 sid) != (ssize_t)ss) { 562 DPRINTF(("Reading short sector chain %d", sid)); 563 goto out; 564 } 565 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 566 } 567 return 0; 568 out: 569 free(scn->sst_tab); 570 return -1; 571 } 572 573 int 574 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 575 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 576 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 577 { 578 579 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 580 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 581 scn); 582 else 583 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 584 } 585 586 int 587 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 588 const cdf_sat_t *sat, cdf_dir_t *dir) 589 { 590 size_t i, j; 591 size_t ss = CDF_SEC_SIZE(h), ns, nd; 592 char *buf; 593 cdf_secid_t sid = h->h_secid_first_directory; 594 595 ns = cdf_count_chain(sat, sid, ss); 596 if (ns == (size_t)-1) 597 return -1; 598 599 nd = ss / CDF_DIRECTORY_SIZE; 600 601 dir->dir_len = ns * nd; 602 dir->dir_tab = CAST(cdf_directory_t *, 603 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 604 if (dir->dir_tab == NULL) 605 return -1; 606 607 if ((buf = CAST(char *, malloc(ss))) == NULL) { 608 free(dir->dir_tab); 609 return -1; 610 } 611 612 for (j = i = 0; i < ns; i++, j++) { 613 if (j >= CDF_LOOP_LIMIT) { 614 DPRINTF(("Read dir loop limit")); 615 errno = EFTYPE; 616 goto out; 617 } 618 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 619 DPRINTF(("Reading directory sector %d", sid)); 620 goto out; 621 } 622 for (j = 0; j < nd; j++) { 623 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 624 &buf[j * CDF_DIRECTORY_SIZE]); 625 } 626 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 627 } 628 if (NEED_SWAP) 629 for (i = 0; i < dir->dir_len; i++) 630 cdf_swap_dir(&dir->dir_tab[i]); 631 free(buf); 632 return 0; 633 out: 634 free(dir->dir_tab); 635 free(buf); 636 return -1; 637 } 638 639 640 int 641 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 642 const cdf_sat_t *sat, cdf_sat_t *ssat) 643 { 644 size_t i, j; 645 size_t ss = CDF_SEC_SIZE(h); 646 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 647 648 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h)); 649 if (ssat->sat_len == (size_t)-1) 650 return -1; 651 652 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 653 if (ssat->sat_tab == NULL) 654 return -1; 655 656 for (j = i = 0; sid >= 0; i++, j++) { 657 if (j >= CDF_LOOP_LIMIT) { 658 DPRINTF(("Read short sat sector loop limit")); 659 errno = EFTYPE; 660 goto out; 661 } 662 if (i >= ssat->sat_len) { 663 DPRINTF(("Out of bounds reading short sector chain " 664 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 665 ssat->sat_len)); 666 errno = EFTYPE; 667 goto out; 668 } 669 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 670 (ssize_t)ss) { 671 DPRINTF(("Reading short sat sector %d", sid)); 672 goto out; 673 } 674 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 675 } 676 return 0; 677 out: 678 free(ssat->sat_tab); 679 return -1; 680 } 681 682 int 683 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 684 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn) 685 { 686 size_t i; 687 const cdf_directory_t *d; 688 689 for (i = 0; i < dir->dir_len; i++) 690 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 691 break; 692 693 /* If the it is not there, just fake it; some docs don't have it */ 694 if (i == dir->dir_len) 695 goto out; 696 d = &dir->dir_tab[i]; 697 698 /* If the it is not there, just fake it; some docs don't have it */ 699 if (d->d_stream_first_sector < 0) 700 goto out; 701 702 return cdf_read_long_sector_chain(info, h, sat, 703 d->d_stream_first_sector, d->d_size, scn); 704 out: 705 scn->sst_tab = NULL; 706 scn->sst_len = 0; 707 scn->sst_dirlen = 0; 708 return 0; 709 } 710 711 static int 712 cdf_namecmp(const char *d, const uint16_t *s, size_t l) 713 { 714 for (; l--; d++, s++) 715 if (*d != CDF_TOLE2(*s)) 716 return (unsigned char)*d - CDF_TOLE2(*s); 717 return 0; 718 } 719 720 int 721 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 722 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 723 const cdf_dir_t *dir, cdf_stream_t *scn) 724 { 725 size_t i; 726 const cdf_directory_t *d; 727 static const char name[] = "\05SummaryInformation"; 728 729 for (i = dir->dir_len; i > 0; i--) 730 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM && 731 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name)) 732 == 0) 733 break; 734 735 if (i == 0) { 736 DPRINTF(("Cannot find summary information section\n")); 737 errno = ESRCH; 738 return -1; 739 } 740 d = &dir->dir_tab[i - 1]; 741 return cdf_read_sector_chain(info, h, sat, ssat, sst, 742 d->d_stream_first_sector, d->d_size, scn); 743 } 744 745 int 746 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 747 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 748 { 749 const cdf_section_header_t *shp; 750 cdf_section_header_t sh; 751 const uint8_t *p, *q, *e; 752 int16_t s16; 753 int32_t s32; 754 uint32_t u32; 755 int64_t s64; 756 uint64_t u64; 757 cdf_timestamp_t tp; 758 size_t i, o, o4, nelements, j; 759 cdf_property_info_t *inp; 760 761 if (offs > UINT32_MAX / 4) { 762 errno = EFTYPE; 763 goto out; 764 } 765 shp = CAST(const cdf_section_header_t *, (const void *) 766 ((const char *)sst->sst_tab + offs)); 767 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 768 goto out; 769 sh.sh_len = CDF_TOLE4(shp->sh_len); 770 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 771 if (sh.sh_len > CDF_SHLEN_LIMIT) { 772 errno = EFTYPE; 773 goto out; 774 } 775 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 776 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 777 if (sh.sh_properties > CDF_PROP_LIMIT) 778 goto out; 779 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 780 sh.sh_properties)); 781 if (*maxcount) { 782 if (*maxcount > CDF_PROP_LIMIT) 783 goto out; 784 *maxcount += sh.sh_properties; 785 inp = CAST(cdf_property_info_t *, 786 realloc(*info, *maxcount * sizeof(*inp))); 787 } else { 788 *maxcount = sh.sh_properties; 789 inp = CAST(cdf_property_info_t *, 790 malloc(*maxcount * sizeof(*inp))); 791 } 792 if (inp == NULL) 793 goto out; 794 *info = inp; 795 inp += *count; 796 *count += sh.sh_properties; 797 p = CAST(const uint8_t *, (const void *) 798 ((const char *)(const void *)sst->sst_tab + 799 offs + sizeof(sh))); 800 e = CAST(const uint8_t *, (const void *) 801 (((const char *)(const void *)shp) + sh.sh_len)); 802 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 803 goto out; 804 for (i = 0; i < sh.sh_properties; i++) { 805 size_t ofs = CDF_GETUINT32(p, (i << 1) + 1); 806 q = (const uint8_t *)(const void *) 807 ((const char *)(const void *)p + ofs 808 - 2 * sizeof(uint32_t)); 809 if (q > e) { 810 DPRINTF(("Ran of the end %p > %p\n", q, e)); 811 goto out; 812 } 813 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 814 inp[i].pi_type = CDF_GETUINT32(q, 0); 815 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 816 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 817 if (inp[i].pi_type & CDF_VECTOR) { 818 nelements = CDF_GETUINT32(q, 1); 819 o = 2; 820 } else { 821 nelements = 1; 822 o = 1; 823 } 824 o4 = o * sizeof(uint32_t); 825 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 826 goto unknown; 827 switch (inp[i].pi_type & CDF_TYPEMASK) { 828 case CDF_NULL: 829 case CDF_EMPTY: 830 break; 831 case CDF_SIGNED16: 832 if (inp[i].pi_type & CDF_VECTOR) 833 goto unknown; 834 (void)memcpy(&s16, &q[o4], sizeof(s16)); 835 inp[i].pi_s16 = CDF_TOLE2(s16); 836 break; 837 case CDF_SIGNED32: 838 if (inp[i].pi_type & CDF_VECTOR) 839 goto unknown; 840 (void)memcpy(&s32, &q[o4], sizeof(s32)); 841 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 842 break; 843 case CDF_BOOL: 844 case CDF_UNSIGNED32: 845 if (inp[i].pi_type & CDF_VECTOR) 846 goto unknown; 847 (void)memcpy(&u32, &q[o4], sizeof(u32)); 848 inp[i].pi_u32 = CDF_TOLE4(u32); 849 break; 850 case CDF_SIGNED64: 851 if (inp[i].pi_type & CDF_VECTOR) 852 goto unknown; 853 (void)memcpy(&s64, &q[o4], sizeof(s64)); 854 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 855 break; 856 case CDF_UNSIGNED64: 857 if (inp[i].pi_type & CDF_VECTOR) 858 goto unknown; 859 (void)memcpy(&u64, &q[o4], sizeof(u64)); 860 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 861 break; 862 case CDF_FLOAT: 863 if (inp[i].pi_type & CDF_VECTOR) 864 goto unknown; 865 (void)memcpy(&u32, &q[o4], sizeof(u32)); 866 u32 = CDF_TOLE4(u32); 867 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 868 break; 869 case CDF_DOUBLE: 870 if (inp[i].pi_type & CDF_VECTOR) 871 goto unknown; 872 (void)memcpy(&u64, &q[o4], sizeof(u64)); 873 u64 = CDF_TOLE8((uint64_t)u64); 874 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 875 break; 876 case CDF_LENGTH32_STRING: 877 case CDF_LENGTH32_WSTRING: 878 if (nelements > 1) { 879 size_t nelem = inp - *info; 880 if (*maxcount > CDF_PROP_LIMIT 881 || nelements > CDF_PROP_LIMIT) 882 goto out; 883 *maxcount += nelements; 884 inp = CAST(cdf_property_info_t *, 885 realloc(*info, *maxcount * sizeof(*inp))); 886 if (inp == NULL) 887 goto out; 888 *info = inp; 889 inp = *info + nelem; 890 } 891 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 892 nelements)); 893 for (j = 0; j < nelements; j++, i++) { 894 uint32_t l = CDF_GETUINT32(q, o); 895 inp[i].pi_str.s_len = l; 896 inp[i].pi_str.s_buf = (const char *) 897 (const void *)(&q[o4 + sizeof(l)]); 898 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 899 "u, s = %s\n", l, 900 CDF_ROUND(l, sizeof(l)), 901 inp[i].pi_str.s_buf)); 902 if (l & 1) 903 l++; 904 o += l >> 1; 905 if (q + o >= e) 906 goto out; 907 o4 = o * sizeof(uint32_t); 908 } 909 i--; 910 break; 911 case CDF_FILETIME: 912 if (inp[i].pi_type & CDF_VECTOR) 913 goto unknown; 914 (void)memcpy(&tp, &q[o4], sizeof(tp)); 915 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 916 break; 917 case CDF_CLIPBOARD: 918 if (inp[i].pi_type & CDF_VECTOR) 919 goto unknown; 920 break; 921 default: 922 unknown: 923 DPRINTF(("Don't know how to deal with %x\n", 924 inp[i].pi_type)); 925 break; 926 } 927 } 928 return 0; 929 out: 930 free(*info); 931 return -1; 932 } 933 934 int 935 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 936 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 937 { 938 size_t i, maxcount; 939 const cdf_summary_info_header_t *si = 940 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 941 const cdf_section_declaration_t *sd = 942 CAST(const cdf_section_declaration_t *, (const void *) 943 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 944 945 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 946 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 947 return -1; 948 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 949 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 950 ssi->si_os = CDF_TOLE2(si->si_os); 951 ssi->si_class = si->si_class; 952 cdf_swap_class(&ssi->si_class); 953 ssi->si_count = CDF_TOLE2(si->si_count); 954 *count = 0; 955 maxcount = 0; 956 *info = NULL; 957 for (i = 0; i < CDF_TOLE4(si->si_count); i++) { 958 if (i >= CDF_LOOP_LIMIT) { 959 DPRINTF(("Unpack summary info loop limit")); 960 errno = EFTYPE; 961 return -1; 962 } 963 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), 964 info, count, &maxcount) == -1) { 965 return -1; 966 } 967 } 968 return 0; 969 } 970 971 972 973 int 974 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 975 { 976 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 977 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 978 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 979 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 980 id->cl_six[5]); 981 } 982 983 static const struct { 984 uint32_t v; 985 const char *n; 986 } vn[] = { 987 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 988 { CDF_PROPERTY_TITLE, "Title" }, 989 { CDF_PROPERTY_SUBJECT, "Subject" }, 990 { CDF_PROPERTY_AUTHOR, "Author" }, 991 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 992 { CDF_PROPERTY_COMMENTS, "Comments" }, 993 { CDF_PROPERTY_TEMPLATE, "Template" }, 994 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 995 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 996 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 997 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 998 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 999 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1000 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1001 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1002 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1003 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1004 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1005 { CDF_PROPERTY_SECURITY, "Security" }, 1006 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1007 }; 1008 1009 int 1010 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1011 { 1012 size_t i; 1013 1014 for (i = 0; i < __arraycount(vn); i++) 1015 if (vn[i].v == p) 1016 return snprintf(buf, bufsiz, "%s", vn[i].n); 1017 return snprintf(buf, bufsiz, "0x%x", p); 1018 } 1019 1020 int 1021 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1022 { 1023 int len = 0; 1024 int days, hours, mins, secs; 1025 1026 ts /= CDF_TIME_PREC; 1027 secs = (int)(ts % 60); 1028 ts /= 60; 1029 mins = (int)(ts % 60); 1030 ts /= 60; 1031 hours = (int)(ts % 24); 1032 ts /= 24; 1033 days = (int)ts; 1034 1035 if (days) { 1036 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1037 if ((size_t)len >= bufsiz) 1038 return len; 1039 } 1040 1041 if (days || hours) { 1042 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1043 if ((size_t)len >= bufsiz) 1044 return len; 1045 } 1046 1047 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1048 if ((size_t)len >= bufsiz) 1049 return len; 1050 1051 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1052 return len; 1053 } 1054 1055 1056 #ifdef CDF_DEBUG 1057 void 1058 cdf_dump_header(const cdf_header_t *h) 1059 { 1060 size_t i; 1061 1062 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1063 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1064 h->h_ ## b, 1 << h->h_ ## b) 1065 DUMP("%d", revision); 1066 DUMP("%d", version); 1067 DUMP("0x%x", byte_order); 1068 DUMP2("%d", sec_size_p2); 1069 DUMP2("%d", short_sec_size_p2); 1070 DUMP("%d", num_sectors_in_sat); 1071 DUMP("%d", secid_first_directory); 1072 DUMP("%d", min_size_standard_stream); 1073 DUMP("%d", secid_first_sector_in_short_sat); 1074 DUMP("%d", num_sectors_in_short_sat); 1075 DUMP("%d", secid_first_sector_in_master_sat); 1076 DUMP("%d", num_sectors_in_master_sat); 1077 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1078 if (h->h_master_sat[i] == CDF_SECID_FREE) 1079 break; 1080 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n", 1081 "master_sat", i, h->h_master_sat[i]); 1082 } 1083 } 1084 1085 void 1086 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1087 { 1088 size_t i, j, s = size / sizeof(cdf_secid_t); 1089 1090 for (i = 0; i < sat->sat_len; i++) { 1091 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1092 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1093 for (j = 0; j < s; j++) { 1094 (void)fprintf(stderr, "%5d, ", 1095 CDF_TOLE4(sat->sat_tab[s * i + j])); 1096 if ((j + 1) % 10 == 0) 1097 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1098 "u: ", i * s + j + 1); 1099 } 1100 (void)fprintf(stderr, "\n"); 1101 } 1102 } 1103 1104 void 1105 cdf_dump(void *v, size_t len) 1106 { 1107 size_t i, j; 1108 unsigned char *p = v; 1109 char abuf[16]; 1110 (void)fprintf(stderr, "%.4x: ", 0); 1111 for (i = 0, j = 0; i < len; i++, p++) { 1112 (void)fprintf(stderr, "%.2x ", *p); 1113 abuf[j++] = isprint(*p) ? *p : '.'; 1114 if (j == 16) { 1115 j = 0; 1116 abuf[15] = '\0'; 1117 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1118 abuf, i + 1); 1119 } 1120 } 1121 (void)fprintf(stderr, "\n"); 1122 } 1123 1124 void 1125 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1126 { 1127 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1128 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1129 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1130 } 1131 1132 void 1133 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1134 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1135 const cdf_dir_t *dir) 1136 { 1137 size_t i, j; 1138 cdf_directory_t *d; 1139 char name[__arraycount(d->d_name)]; 1140 cdf_stream_t scn; 1141 struct timespec ts; 1142 1143 static const char *types[] = { "empty", "user storage", 1144 "user stream", "lockbytes", "property", "root storage" }; 1145 1146 for (i = 0; i < dir->dir_len; i++) { 1147 d = &dir->dir_tab[i]; 1148 for (j = 0; j < sizeof(name); j++) 1149 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1150 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1151 i, name); 1152 if (d->d_type < __arraycount(types)) 1153 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1154 else 1155 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1156 (void)fprintf(stderr, "Color: %s\n", 1157 d->d_color ? "black" : "red"); 1158 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1159 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1160 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1161 cdf_timestamp_to_timespec(&ts, d->d_created); 1162 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec)); 1163 cdf_timestamp_to_timespec(&ts, d->d_modified); 1164 (void)fprintf(stderr, "Modified %s", cdf_ctime(&ts.tv_sec)); 1165 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1166 (void)fprintf(stderr, "Size %d\n", d->d_size); 1167 switch (d->d_type) { 1168 case CDF_DIR_TYPE_USER_STORAGE: 1169 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1170 break; 1171 case CDF_DIR_TYPE_USER_STREAM: 1172 if (sst == NULL) 1173 break; 1174 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1175 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1176 warn("Can't read stream for %s at %d len %d", 1177 name, d->d_stream_first_sector, d->d_size); 1178 break; 1179 } 1180 cdf_dump_stream(h, &scn); 1181 free(scn.sst_tab); 1182 break; 1183 default: 1184 break; 1185 } 1186 1187 } 1188 } 1189 1190 void 1191 cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1192 { 1193 cdf_timestamp_t tp; 1194 struct timespec ts; 1195 char buf[64]; 1196 size_t i, j; 1197 1198 for (i = 0; i < count; i++) { 1199 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1200 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1201 switch (info[i].pi_type) { 1202 case CDF_NULL: 1203 break; 1204 case CDF_SIGNED16: 1205 (void)fprintf(stderr, "signed 16 [%hd]\n", 1206 info[i].pi_s16); 1207 break; 1208 case CDF_SIGNED32: 1209 (void)fprintf(stderr, "signed 32 [%d]\n", 1210 info[i].pi_s32); 1211 break; 1212 case CDF_UNSIGNED32: 1213 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1214 info[i].pi_u32); 1215 break; 1216 case CDF_FLOAT: 1217 (void)fprintf(stderr, "float [%g]\n", 1218 info[i].pi_f); 1219 break; 1220 case CDF_DOUBLE: 1221 (void)fprintf(stderr, "double [%g]\n", 1222 info[i].pi_d); 1223 break; 1224 case CDF_LENGTH32_STRING: 1225 (void)fprintf(stderr, "string %u [%.*s]\n", 1226 info[i].pi_str.s_len, 1227 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1228 break; 1229 case CDF_LENGTH32_WSTRING: 1230 (void)fprintf(stderr, "string %u [", 1231 info[i].pi_str.s_len); 1232 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1233 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1234 (void)fprintf(stderr, "]\n"); 1235 break; 1236 case CDF_FILETIME: 1237 tp = info[i].pi_tp; 1238 if (tp < 1000000000000000LL) { 1239 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1240 (void)fprintf(stderr, "timestamp %s\n", buf); 1241 } else { 1242 cdf_timestamp_to_timespec(&ts, tp); 1243 (void)fprintf(stderr, "timestamp %s", 1244 cdf_ctime(&ts.tv_sec)); 1245 } 1246 break; 1247 case CDF_CLIPBOARD: 1248 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1249 break; 1250 default: 1251 DPRINTF(("Don't know how to deal with %x\n", 1252 info[i].pi_type)); 1253 break; 1254 } 1255 } 1256 } 1257 1258 1259 void 1260 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1261 { 1262 char buf[128]; 1263 cdf_summary_info_header_t ssi; 1264 cdf_property_info_t *info; 1265 size_t count; 1266 1267 (void)&h; 1268 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1269 return; 1270 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1271 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1272 ssi.si_os_version >> 8); 1273 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1274 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1275 (void)fprintf(stderr, "Class %s\n", buf); 1276 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1277 cdf_dump_property_info(info, count); 1278 free(info); 1279 } 1280 1281 #endif 1282 1283 #ifdef TEST 1284 int 1285 main(int argc, char *argv[]) 1286 { 1287 int i; 1288 cdf_header_t h; 1289 cdf_sat_t sat, ssat; 1290 cdf_stream_t sst, scn; 1291 cdf_dir_t dir; 1292 cdf_info_t info; 1293 1294 if (argc < 2) { 1295 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1296 return -1; 1297 } 1298 1299 info.i_buf = NULL; 1300 info.i_len = 0; 1301 for (i = 1; i < argc; i++) { 1302 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1303 err(1, "Cannot open `%s'", argv[1]); 1304 1305 if (cdf_read_header(&info, &h) == -1) 1306 err(1, "Cannot read header"); 1307 #ifdef CDF_DEBUG 1308 cdf_dump_header(&h); 1309 #endif 1310 1311 if (cdf_read_sat(&info, &h, &sat) == -1) 1312 err(1, "Cannot read sat"); 1313 #ifdef CDF_DEBUG 1314 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1315 #endif 1316 1317 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1318 err(1, "Cannot read ssat"); 1319 #ifdef CDF_DEBUG 1320 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1321 #endif 1322 1323 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1324 err(1, "Cannot read dir"); 1325 1326 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1) 1327 err(1, "Cannot read short stream"); 1328 #ifdef CDF_DEBUG 1329 cdf_dump_stream(&h, &sst); 1330 #endif 1331 1332 #ifdef CDF_DEBUG 1333 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1334 #endif 1335 1336 1337 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1338 &scn) == -1) 1339 err(1, "Cannot read summary info"); 1340 #ifdef CDF_DEBUG 1341 cdf_dump_summary_info(&h, &scn); 1342 #endif 1343 1344 (void)close(info.i_fd); 1345 } 1346 1347 return 0; 1348 } 1349 #endif 1350