cdf.c revision 276415
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 38FILE_RCSID("@(#)$File: cdf.c,v 1.69 2014/12/04 15:56:46 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 66static 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_TOLE(x) (sizeof(x) == 2 ? CDF_TOLE2(x) : (sizeof(x) == 4 ? \ 77 CDF_TOLE4(x) : CDF_TOLE8(x))) 78#define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 79 80 81/* 82 * swap a short 83 */ 84static uint16_t 85_cdf_tole2(uint16_t sv) 86{ 87 uint16_t rv; 88 uint8_t *s = (uint8_t *)(void *)&sv; 89 uint8_t *d = (uint8_t *)(void *)&rv; 90 d[0] = s[1]; 91 d[1] = s[0]; 92 return rv; 93} 94 95/* 96 * swap an int 97 */ 98static uint32_t 99_cdf_tole4(uint32_t sv) 100{ 101 uint32_t rv; 102 uint8_t *s = (uint8_t *)(void *)&sv; 103 uint8_t *d = (uint8_t *)(void *)&rv; 104 d[0] = s[3]; 105 d[1] = s[2]; 106 d[2] = s[1]; 107 d[3] = s[0]; 108 return rv; 109} 110 111/* 112 * swap a quad 113 */ 114static uint64_t 115_cdf_tole8(uint64_t sv) 116{ 117 uint64_t rv; 118 uint8_t *s = (uint8_t *)(void *)&sv; 119 uint8_t *d = (uint8_t *)(void *)&rv; 120 d[0] = s[7]; 121 d[1] = s[6]; 122 d[2] = s[5]; 123 d[3] = s[4]; 124 d[4] = s[3]; 125 d[5] = s[2]; 126 d[6] = s[1]; 127 d[7] = s[0]; 128 return rv; 129} 130 131/* 132 * grab a uint32_t from a possibly unaligned address, and return it in 133 * the native host order. 134 */ 135static uint32_t 136cdf_getuint32(const uint8_t *p, size_t offs) 137{ 138 uint32_t rv; 139 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 140 return CDF_TOLE4(rv); 141} 142 143#define CDF_UNPACK(a) \ 144 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 145#define CDF_UNPACKA(a) \ 146 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 147 148uint16_t 149cdf_tole2(uint16_t sv) 150{ 151 return CDF_TOLE2(sv); 152} 153 154uint32_t 155cdf_tole4(uint32_t sv) 156{ 157 return CDF_TOLE4(sv); 158} 159 160uint64_t 161cdf_tole8(uint64_t sv) 162{ 163 return CDF_TOLE8(sv); 164} 165 166void 167cdf_swap_header(cdf_header_t *h) 168{ 169 size_t i; 170 171 h->h_magic = CDF_TOLE8(h->h_magic); 172 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 173 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 174 h->h_revision = CDF_TOLE2(h->h_revision); 175 h->h_version = CDF_TOLE2(h->h_version); 176 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 177 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 178 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 179 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 180 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 181 h->h_min_size_standard_stream = 182 CDF_TOLE4(h->h_min_size_standard_stream); 183 h->h_secid_first_sector_in_short_sat = 184 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 185 h->h_num_sectors_in_short_sat = 186 CDF_TOLE4(h->h_num_sectors_in_short_sat); 187 h->h_secid_first_sector_in_master_sat = 188 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 189 h->h_num_sectors_in_master_sat = 190 CDF_TOLE4(h->h_num_sectors_in_master_sat); 191 for (i = 0; i < __arraycount(h->h_master_sat); i++) 192 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 193} 194 195void 196cdf_unpack_header(cdf_header_t *h, char *buf) 197{ 198 size_t i; 199 size_t len = 0; 200 201 CDF_UNPACK(h->h_magic); 202 CDF_UNPACKA(h->h_uuid); 203 CDF_UNPACK(h->h_revision); 204 CDF_UNPACK(h->h_version); 205 CDF_UNPACK(h->h_byte_order); 206 CDF_UNPACK(h->h_sec_size_p2); 207 CDF_UNPACK(h->h_short_sec_size_p2); 208 CDF_UNPACKA(h->h_unused0); 209 CDF_UNPACK(h->h_num_sectors_in_sat); 210 CDF_UNPACK(h->h_secid_first_directory); 211 CDF_UNPACKA(h->h_unused1); 212 CDF_UNPACK(h->h_min_size_standard_stream); 213 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 214 CDF_UNPACK(h->h_num_sectors_in_short_sat); 215 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 216 CDF_UNPACK(h->h_num_sectors_in_master_sat); 217 for (i = 0; i < __arraycount(h->h_master_sat); i++) 218 CDF_UNPACK(h->h_master_sat[i]); 219} 220 221void 222cdf_swap_dir(cdf_directory_t *d) 223{ 224 d->d_namelen = CDF_TOLE2(d->d_namelen); 225 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 226 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 227 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 228 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 229 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 230 d->d_flags = CDF_TOLE4(d->d_flags); 231 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 232 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 233 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 234 d->d_size = CDF_TOLE4(d->d_size); 235} 236 237void 238cdf_swap_class(cdf_classid_t *d) 239{ 240 d->cl_dword = CDF_TOLE4(d->cl_dword); 241 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 242 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 243} 244 245void 246cdf_unpack_dir(cdf_directory_t *d, char *buf) 247{ 248 size_t len = 0; 249 250 CDF_UNPACKA(d->d_name); 251 CDF_UNPACK(d->d_namelen); 252 CDF_UNPACK(d->d_type); 253 CDF_UNPACK(d->d_color); 254 CDF_UNPACK(d->d_left_child); 255 CDF_UNPACK(d->d_right_child); 256 CDF_UNPACK(d->d_storage); 257 CDF_UNPACKA(d->d_storage_uuid); 258 CDF_UNPACK(d->d_flags); 259 CDF_UNPACK(d->d_created); 260 CDF_UNPACK(d->d_modified); 261 CDF_UNPACK(d->d_stream_first_sector); 262 CDF_UNPACK(d->d_size); 263 CDF_UNPACK(d->d_unused0); 264} 265 266static int 267cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 268 const void *p, size_t tail, int line) 269{ 270 const char *b = (const char *)sst->sst_tab; 271 const char *e = ((const char *)p) + tail; 272 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 273 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 274 (void)&line; 275 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len) 276 return 0; 277 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 278 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 279 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 280 ss * sst->sst_len, ss, sst->sst_len)); 281 errno = EFTYPE; 282 return -1; 283} 284 285static ssize_t 286cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 287{ 288 size_t siz = (size_t)off + len; 289 290 if ((off_t)(off + len) != (off_t)siz) { 291 errno = EINVAL; 292 return -1; 293 } 294 295 if (info->i_buf != NULL && info->i_len >= siz) { 296 (void)memcpy(buf, &info->i_buf[off], len); 297 return (ssize_t)len; 298 } 299 300 if (info->i_fd == -1) 301 return -1; 302 303 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 304 return -1; 305 306 return (ssize_t)len; 307} 308 309int 310cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 311{ 312 char buf[512]; 313 314 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 315 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 316 return -1; 317 cdf_unpack_header(h, buf); 318 cdf_swap_header(h); 319 if (h->h_magic != CDF_MAGIC) { 320 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 321 INT64_T_FORMAT "x\n", 322 (unsigned long long)h->h_magic, 323 (unsigned long long)CDF_MAGIC)); 324 goto out; 325 } 326 if (h->h_sec_size_p2 > 20) { 327 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 328 goto out; 329 } 330 if (h->h_short_sec_size_p2 > 20) { 331 DPRINTF(("Bad short sector size 0x%u\n", 332 h->h_short_sec_size_p2)); 333 goto out; 334 } 335 return 0; 336out: 337 errno = EFTYPE; 338 return -1; 339} 340 341 342ssize_t 343cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 344 const cdf_header_t *h, cdf_secid_t id) 345{ 346 size_t ss = CDF_SEC_SIZE(h); 347 size_t pos = CDF_SEC_POS(h, id); 348 assert(ss == len); 349 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 350} 351 352ssize_t 353cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 354 size_t len, const cdf_header_t *h, cdf_secid_t id) 355{ 356 size_t ss = CDF_SHORT_SEC_SIZE(h); 357 size_t pos = CDF_SHORT_SEC_POS(h, id); 358 assert(ss == len); 359 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 360 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 361 SIZE_T_FORMAT "u\n", 362 pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 363 return -1; 364 } 365 (void)memcpy(((char *)buf) + offs, 366 ((const char *)sst->sst_tab) + pos, len); 367 return len; 368} 369 370/* 371 * Read the sector allocation table. 372 */ 373int 374cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 375{ 376 size_t i, j, k; 377 size_t ss = CDF_SEC_SIZE(h); 378 cdf_secid_t *msa, mid, sec; 379 size_t nsatpersec = (ss / sizeof(mid)) - 1; 380 381 for (i = 0; i < __arraycount(h->h_master_sat); i++) 382 if (h->h_master_sat[i] == CDF_SECID_FREE) 383 break; 384 385#define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 386 if ((nsatpersec > 0 && 387 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 388 i > CDF_SEC_LIMIT) { 389 DPRINTF(("Number of sectors in master SAT too big %u %" 390 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 391 errno = EFTYPE; 392 return -1; 393 } 394 395 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 396 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 397 sat->sat_len, ss)); 398 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 399 == NULL) 400 return -1; 401 402 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 403 if (h->h_master_sat[i] < 0) 404 break; 405 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 406 h->h_master_sat[i]) != (ssize_t)ss) { 407 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 408 goto out1; 409 } 410 } 411 412 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 413 goto out1; 414 415 mid = h->h_secid_first_sector_in_master_sat; 416 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 417 if (mid < 0) 418 goto out; 419 if (j >= CDF_LOOP_LIMIT) { 420 DPRINTF(("Reading master sector loop limit")); 421 errno = EFTYPE; 422 goto out2; 423 } 424 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 425 DPRINTF(("Reading master sector %d", mid)); 426 goto out2; 427 } 428 for (k = 0; k < nsatpersec; k++, i++) { 429 sec = CDF_TOLE4((uint32_t)msa[k]); 430 if (sec < 0) 431 goto out; 432 if (i >= sat->sat_len) { 433 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 434 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 435 errno = EFTYPE; 436 goto out2; 437 } 438 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 439 sec) != (ssize_t)ss) { 440 DPRINTF(("Reading sector %d", 441 CDF_TOLE4(msa[k]))); 442 goto out2; 443 } 444 } 445 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 446 } 447out: 448 sat->sat_len = i; 449 free(msa); 450 return 0; 451out2: 452 free(msa); 453out1: 454 free(sat->sat_tab); 455 return -1; 456} 457 458size_t 459cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 460{ 461 size_t i, j; 462 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size) 463 / sizeof(maxsector)); 464 465 DPRINTF(("Chain:")); 466 if (sid == CDF_SECID_END_OF_CHAIN) { 467 /* 0-length chain. */ 468 DPRINTF((" empty\n")); 469 return 0; 470 } 471 472 for (j = i = 0; sid >= 0; i++, j++) { 473 DPRINTF((" %d", sid)); 474 if (j >= CDF_LOOP_LIMIT) { 475 DPRINTF(("Counting chain loop limit")); 476 errno = EFTYPE; 477 return (size_t)-1; 478 } 479 if (sid >= maxsector) { 480 DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 481 errno = EFTYPE; 482 return (size_t)-1; 483 } 484 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 485 } 486 if (i == 0) { 487 DPRINTF((" none, sid: %d\n", sid)); 488 return (size_t)-1; 489 490 } 491 DPRINTF(("\n")); 492 return i; 493} 494 495int 496cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 497 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 498{ 499 size_t ss = CDF_SEC_SIZE(h), i, j; 500 ssize_t nr; 501 scn->sst_len = cdf_count_chain(sat, sid, ss); 502 scn->sst_dirlen = len; 503 504 if (scn->sst_len == (size_t)-1) 505 return -1; 506 507 scn->sst_tab = calloc(scn->sst_len, ss); 508 if (scn->sst_tab == NULL) 509 return -1; 510 511 for (j = i = 0; sid >= 0; i++, j++) { 512 if (j >= CDF_LOOP_LIMIT) { 513 DPRINTF(("Read long sector chain loop limit")); 514 errno = EFTYPE; 515 goto out; 516 } 517 if (i >= scn->sst_len) { 518 DPRINTF(("Out of bounds reading long sector chain " 519 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 520 scn->sst_len)); 521 errno = EFTYPE; 522 goto out; 523 } 524 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 525 sid)) != (ssize_t)ss) { 526 if (i == scn->sst_len - 1 && nr > 0) { 527 /* Last sector might be truncated */ 528 return 0; 529 } 530 DPRINTF(("Reading long sector chain %d", sid)); 531 goto out; 532 } 533 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 534 } 535 return 0; 536out: 537 free(scn->sst_tab); 538 return -1; 539} 540 541int 542cdf_read_short_sector_chain(const cdf_header_t *h, 543 const cdf_sat_t *ssat, const cdf_stream_t *sst, 544 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 545{ 546 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 547 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 548 scn->sst_dirlen = len; 549 550 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1) 551 return -1; 552 553 scn->sst_tab = calloc(scn->sst_len, ss); 554 if (scn->sst_tab == NULL) 555 return -1; 556 557 for (j = i = 0; sid >= 0; i++, j++) { 558 if (j >= CDF_LOOP_LIMIT) { 559 DPRINTF(("Read short sector chain loop limit")); 560 errno = EFTYPE; 561 goto out; 562 } 563 if (i >= scn->sst_len) { 564 DPRINTF(("Out of bounds reading short sector chain " 565 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 566 i, scn->sst_len)); 567 errno = EFTYPE; 568 goto out; 569 } 570 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 571 sid) != (ssize_t)ss) { 572 DPRINTF(("Reading short sector chain %d", sid)); 573 goto out; 574 } 575 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 576 } 577 return 0; 578out: 579 free(scn->sst_tab); 580 return -1; 581} 582 583int 584cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 585 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 586 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 587{ 588 589 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 590 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 591 scn); 592 else 593 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 594} 595 596int 597cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 598 const cdf_sat_t *sat, cdf_dir_t *dir) 599{ 600 size_t i, j; 601 size_t ss = CDF_SEC_SIZE(h), ns, nd; 602 char *buf; 603 cdf_secid_t sid = h->h_secid_first_directory; 604 605 ns = cdf_count_chain(sat, sid, ss); 606 if (ns == (size_t)-1) 607 return -1; 608 609 nd = ss / CDF_DIRECTORY_SIZE; 610 611 dir->dir_len = ns * nd; 612 dir->dir_tab = CAST(cdf_directory_t *, 613 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 614 if (dir->dir_tab == NULL) 615 return -1; 616 617 if ((buf = CAST(char *, malloc(ss))) == NULL) { 618 free(dir->dir_tab); 619 return -1; 620 } 621 622 for (j = i = 0; i < ns; i++, j++) { 623 if (j >= CDF_LOOP_LIMIT) { 624 DPRINTF(("Read dir loop limit")); 625 errno = EFTYPE; 626 goto out; 627 } 628 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 629 DPRINTF(("Reading directory sector %d", sid)); 630 goto out; 631 } 632 for (j = 0; j < nd; j++) { 633 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 634 &buf[j * CDF_DIRECTORY_SIZE]); 635 } 636 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 637 } 638 if (NEED_SWAP) 639 for (i = 0; i < dir->dir_len; i++) 640 cdf_swap_dir(&dir->dir_tab[i]); 641 free(buf); 642 return 0; 643out: 644 free(dir->dir_tab); 645 free(buf); 646 return -1; 647} 648 649 650int 651cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 652 const cdf_sat_t *sat, cdf_sat_t *ssat) 653{ 654 size_t i, j; 655 size_t ss = CDF_SEC_SIZE(h); 656 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 657 658 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h)); 659 if (ssat->sat_len == (size_t)-1) 660 return -1; 661 662 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 663 if (ssat->sat_tab == NULL) 664 return -1; 665 666 for (j = i = 0; sid >= 0; i++, j++) { 667 if (j >= CDF_LOOP_LIMIT) { 668 DPRINTF(("Read short sat sector loop limit")); 669 errno = EFTYPE; 670 goto out; 671 } 672 if (i >= ssat->sat_len) { 673 DPRINTF(("Out of bounds reading short sector chain " 674 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 675 ssat->sat_len)); 676 errno = EFTYPE; 677 goto out; 678 } 679 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 680 (ssize_t)ss) { 681 DPRINTF(("Reading short sat sector %d", sid)); 682 goto out; 683 } 684 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 685 } 686 return 0; 687out: 688 free(ssat->sat_tab); 689 return -1; 690} 691 692int 693cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 694 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 695 const cdf_directory_t **root) 696{ 697 size_t i; 698 const cdf_directory_t *d; 699 700 *root = NULL; 701 for (i = 0; i < dir->dir_len; i++) 702 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 703 break; 704 705 /* If the it is not there, just fake it; some docs don't have it */ 706 if (i == dir->dir_len) 707 goto out; 708 d = &dir->dir_tab[i]; 709 *root = d; 710 711 /* If the it is not there, just fake it; some docs don't have it */ 712 if (d->d_stream_first_sector < 0) 713 goto out; 714 715 return cdf_read_long_sector_chain(info, h, sat, 716 d->d_stream_first_sector, d->d_size, scn); 717out: 718 scn->sst_tab = NULL; 719 scn->sst_len = 0; 720 scn->sst_dirlen = 0; 721 return 0; 722} 723 724static int 725cdf_namecmp(const char *d, const uint16_t *s, size_t l) 726{ 727 for (; l--; d++, s++) 728 if (*d != CDF_TOLE2(*s)) 729 return (unsigned char)*d - CDF_TOLE2(*s); 730 return 0; 731} 732 733int 734cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 735 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 736 const cdf_dir_t *dir, cdf_stream_t *scn) 737{ 738 return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 739 "\05SummaryInformation", scn); 740} 741 742int 743cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 744 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 745 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 746{ 747 size_t i; 748 const cdf_directory_t *d; 749 size_t name_len = strlen(name) + 1; 750 751 for (i = dir->dir_len; i > 0; i--) 752 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM && 753 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 754 == 0) 755 break; 756 757 if (i == 0) { 758 DPRINTF(("Cannot find user stream `%s'\n", name)); 759 errno = ESRCH; 760 return -1; 761 } 762 d = &dir->dir_tab[i - 1]; 763 return cdf_read_sector_chain(info, h, sat, ssat, sst, 764 d->d_stream_first_sector, d->d_size, scn); 765} 766 767int 768cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 769 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 770{ 771 const cdf_section_header_t *shp; 772 cdf_section_header_t sh; 773 const uint8_t *p, *q, *e; 774 int16_t s16; 775 int32_t s32; 776 uint32_t u32; 777 int64_t s64; 778 uint64_t u64; 779 cdf_timestamp_t tp; 780 size_t i, o, o4, nelements, j; 781 cdf_property_info_t *inp; 782 783 if (offs > UINT32_MAX / 4) { 784 errno = EFTYPE; 785 goto out; 786 } 787 shp = CAST(const cdf_section_header_t *, (const void *) 788 ((const char *)sst->sst_tab + offs)); 789 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 790 goto out; 791 sh.sh_len = CDF_TOLE4(shp->sh_len); 792#define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 793 if (sh.sh_len > CDF_SHLEN_LIMIT) { 794 errno = EFTYPE; 795 goto out; 796 } 797 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 798#define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 799 if (sh.sh_properties > CDF_PROP_LIMIT) 800 goto out; 801 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 802 sh.sh_properties)); 803 if (*maxcount) { 804 if (*maxcount > CDF_PROP_LIMIT) 805 goto out; 806 *maxcount += sh.sh_properties; 807 inp = CAST(cdf_property_info_t *, 808 realloc(*info, *maxcount * sizeof(*inp))); 809 } else { 810 *maxcount = sh.sh_properties; 811 inp = CAST(cdf_property_info_t *, 812 malloc(*maxcount * sizeof(*inp))); 813 } 814 if (inp == NULL) 815 goto out; 816 *info = inp; 817 inp += *count; 818 *count += sh.sh_properties; 819 p = CAST(const uint8_t *, (const void *) 820 ((const char *)(const void *)sst->sst_tab + 821 offs + sizeof(sh))); 822 e = CAST(const uint8_t *, (const void *) 823 (((const char *)(const void *)shp) + sh.sh_len)); 824 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 825 goto out; 826 for (i = 0; i < sh.sh_properties; i++) { 827 size_t tail = (i << 1) + 1; 828 size_t ofs; 829 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), 830 __LINE__) == -1) 831 goto out; 832 ofs = CDF_GETUINT32(p, tail); 833 q = (const uint8_t *)(const void *) 834 ((const char *)(const void *)p + ofs 835 - 2 * sizeof(uint32_t)); 836 if (q < p) { 837 DPRINTF(("Wrapped around %p < %p\n", q, p)); 838 goto out; 839 } 840 if (q > e) { 841 DPRINTF(("Ran of the end %p > %p\n", q, e)); 842 goto out; 843 } 844 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 845 inp[i].pi_type = CDF_GETUINT32(q, 0); 846 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 847 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 848 if (inp[i].pi_type & CDF_VECTOR) { 849 nelements = CDF_GETUINT32(q, 1); 850 if (nelements == 0) { 851 DPRINTF(("CDF_VECTOR with nelements == 0\n")); 852 goto out; 853 } 854 o = 2; 855 } else { 856 nelements = 1; 857 o = 1; 858 } 859 o4 = o * sizeof(uint32_t); 860 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 861 goto unknown; 862 switch (inp[i].pi_type & CDF_TYPEMASK) { 863 case CDF_NULL: 864 case CDF_EMPTY: 865 break; 866 case CDF_SIGNED16: 867 if (inp[i].pi_type & CDF_VECTOR) 868 goto unknown; 869 (void)memcpy(&s16, &q[o4], sizeof(s16)); 870 inp[i].pi_s16 = CDF_TOLE2(s16); 871 break; 872 case CDF_SIGNED32: 873 if (inp[i].pi_type & CDF_VECTOR) 874 goto unknown; 875 (void)memcpy(&s32, &q[o4], sizeof(s32)); 876 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 877 break; 878 case CDF_BOOL: 879 case CDF_UNSIGNED32: 880 if (inp[i].pi_type & CDF_VECTOR) 881 goto unknown; 882 (void)memcpy(&u32, &q[o4], sizeof(u32)); 883 inp[i].pi_u32 = CDF_TOLE4(u32); 884 break; 885 case CDF_SIGNED64: 886 if (inp[i].pi_type & CDF_VECTOR) 887 goto unknown; 888 (void)memcpy(&s64, &q[o4], sizeof(s64)); 889 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 890 break; 891 case CDF_UNSIGNED64: 892 if (inp[i].pi_type & CDF_VECTOR) 893 goto unknown; 894 (void)memcpy(&u64, &q[o4], sizeof(u64)); 895 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 896 break; 897 case CDF_FLOAT: 898 if (inp[i].pi_type & CDF_VECTOR) 899 goto unknown; 900 (void)memcpy(&u32, &q[o4], sizeof(u32)); 901 u32 = CDF_TOLE4(u32); 902 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 903 break; 904 case CDF_DOUBLE: 905 if (inp[i].pi_type & CDF_VECTOR) 906 goto unknown; 907 (void)memcpy(&u64, &q[o4], sizeof(u64)); 908 u64 = CDF_TOLE8((uint64_t)u64); 909 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 910 break; 911 case CDF_LENGTH32_STRING: 912 case CDF_LENGTH32_WSTRING: 913 if (nelements > 1) { 914 size_t nelem = inp - *info; 915 if (*maxcount > CDF_PROP_LIMIT 916 || nelements > CDF_PROP_LIMIT) 917 goto out; 918 *maxcount += nelements; 919 inp = CAST(cdf_property_info_t *, 920 realloc(*info, *maxcount * sizeof(*inp))); 921 if (inp == NULL) 922 goto out; 923 *info = inp; 924 inp = *info + nelem; 925 } 926 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 927 nelements)); 928 for (j = 0; j < nelements && i < sh.sh_properties; 929 j++, i++) 930 { 931 uint32_t l = CDF_GETUINT32(q, o); 932 inp[i].pi_str.s_len = l; 933 inp[i].pi_str.s_buf = (const char *) 934 (const void *)(&q[o4 + sizeof(l)]); 935 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 936 "u, s = %s\n", l, 937 CDF_ROUND(l, sizeof(l)), 938 inp[i].pi_str.s_buf)); 939 if (l & 1) 940 l++; 941 o += l >> 1; 942 if (q + o >= e) 943 goto out; 944 o4 = o * sizeof(uint32_t); 945 } 946 i--; 947 break; 948 case CDF_FILETIME: 949 if (inp[i].pi_type & CDF_VECTOR) 950 goto unknown; 951 (void)memcpy(&tp, &q[o4], sizeof(tp)); 952 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 953 break; 954 case CDF_CLIPBOARD: 955 if (inp[i].pi_type & CDF_VECTOR) 956 goto unknown; 957 break; 958 default: 959 unknown: 960 DPRINTF(("Don't know how to deal with %x\n", 961 inp[i].pi_type)); 962 break; 963 } 964 } 965 return 0; 966out: 967 free(*info); 968 return -1; 969} 970 971int 972cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 973 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 974{ 975 size_t maxcount; 976 const cdf_summary_info_header_t *si = 977 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 978 const cdf_section_declaration_t *sd = 979 CAST(const cdf_section_declaration_t *, (const void *) 980 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 981 982 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 983 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 984 return -1; 985 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 986 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 987 ssi->si_os = CDF_TOLE2(si->si_os); 988 ssi->si_class = si->si_class; 989 cdf_swap_class(&ssi->si_class); 990 ssi->si_count = CDF_TOLE4(si->si_count); 991 *count = 0; 992 maxcount = 0; 993 *info = NULL; 994 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 995 count, &maxcount) == -1) 996 return -1; 997 return 0; 998} 999 1000 1001#define extract_catalog_field(f, l) \ 1002 memcpy(&ce[i].f, b + (l), sizeof(ce[i].f)); \ 1003 ce[i].f = CDF_TOLE(ce[i].f) 1004 1005int 1006cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, 1007 cdf_catalog_t **cat) 1008{ 1009 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1010 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1011 const char *b = CAST(const char *, sst->sst_tab); 1012 const char *eb = b + ss * sst->sst_len; 1013 size_t nr, i, k; 1014 cdf_catalog_entry_t *ce; 1015 uint16_t reclen; 1016 const uint16_t *np; 1017 1018 for (nr = 0; b < eb; nr++) { 1019 memcpy(&reclen, b, sizeof(reclen)); 1020 reclen = CDF_TOLE2(reclen); 1021 if (reclen == 0) 1022 break; 1023 b += reclen; 1024 } 1025 *cat = CAST(cdf_catalog_t *, 1026 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); 1027 (*cat)->cat_num = nr; 1028 ce = (*cat)->cat_e; 1029 b = CAST(const char *, sst->sst_tab); 1030 for (i = 0; i < nr; i++) { 1031 extract_catalog_field(ce_namlen, 0); 1032 extract_catalog_field(ce_num, 2); 1033 extract_catalog_field(ce_timestamp, 6); 1034 reclen = ce[i].ce_namlen; 1035 ce[i].ce_namlen = 1036 sizeof(ce[i].ce_name) / sizeof(ce[i].ce_name[0]) - 1; 1037 if (ce[i].ce_namlen > reclen - 14) 1038 ce[i].ce_namlen = reclen - 14; 1039 np = CAST(const uint16_t *, (b + 16)); 1040 for (k = 0; k < ce[i].ce_namlen; k++) { 1041 ce[i].ce_name[k] = np[k]; 1042 CDF_TOLE2(ce[i].ce_name[k]); 1043 } 1044 ce[i].ce_name[ce[i].ce_namlen] = 0; 1045 b += reclen; 1046 } 1047 return 0; 1048} 1049 1050int 1051cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 1052{ 1053 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 1054 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 1055 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 1056 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 1057 id->cl_six[5]); 1058} 1059 1060static const struct { 1061 uint32_t v; 1062 const char *n; 1063} vn[] = { 1064 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1065 { CDF_PROPERTY_TITLE, "Title" }, 1066 { CDF_PROPERTY_SUBJECT, "Subject" }, 1067 { CDF_PROPERTY_AUTHOR, "Author" }, 1068 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1069 { CDF_PROPERTY_COMMENTS, "Comments" }, 1070 { CDF_PROPERTY_TEMPLATE, "Template" }, 1071 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1072 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1073 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1074 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1075 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1076 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1077 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1078 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1079 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1080 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1081 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1082 { CDF_PROPERTY_SECURITY, "Security" }, 1083 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1084}; 1085 1086int 1087cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1088{ 1089 size_t i; 1090 1091 for (i = 0; i < __arraycount(vn); i++) 1092 if (vn[i].v == p) 1093 return snprintf(buf, bufsiz, "%s", vn[i].n); 1094 return snprintf(buf, bufsiz, "0x%x", p); 1095} 1096 1097int 1098cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1099{ 1100 int len = 0; 1101 int days, hours, mins, secs; 1102 1103 ts /= CDF_TIME_PREC; 1104 secs = (int)(ts % 60); 1105 ts /= 60; 1106 mins = (int)(ts % 60); 1107 ts /= 60; 1108 hours = (int)(ts % 24); 1109 ts /= 24; 1110 days = (int)ts; 1111 1112 if (days) { 1113 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1114 if ((size_t)len >= bufsiz) 1115 return len; 1116 } 1117 1118 if (days || hours) { 1119 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1120 if ((size_t)len >= bufsiz) 1121 return len; 1122 } 1123 1124 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1125 if ((size_t)len >= bufsiz) 1126 return len; 1127 1128 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1129 return len; 1130} 1131 1132char * 1133cdf_u16tos8(char *buf, size_t len, const uint16_t *p) 1134{ 1135 size_t i; 1136 for (i = 0; i < len && p[i]; i++) 1137 buf[i] = (char)p[i]; 1138 buf[i] = '\0'; 1139 return buf; 1140} 1141 1142#ifdef CDF_DEBUG 1143void 1144cdf_dump_header(const cdf_header_t *h) 1145{ 1146 size_t i; 1147 1148#define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1149#define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1150 h->h_ ## b, 1 << h->h_ ## b) 1151 DUMP("%d", revision); 1152 DUMP("%d", version); 1153 DUMP("0x%x", byte_order); 1154 DUMP2("%d", sec_size_p2); 1155 DUMP2("%d", short_sec_size_p2); 1156 DUMP("%d", num_sectors_in_sat); 1157 DUMP("%d", secid_first_directory); 1158 DUMP("%d", min_size_standard_stream); 1159 DUMP("%d", secid_first_sector_in_short_sat); 1160 DUMP("%d", num_sectors_in_short_sat); 1161 DUMP("%d", secid_first_sector_in_master_sat); 1162 DUMP("%d", num_sectors_in_master_sat); 1163 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1164 if (h->h_master_sat[i] == CDF_SECID_FREE) 1165 break; 1166 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", 1167 "master_sat", i, h->h_master_sat[i]); 1168 } 1169} 1170 1171void 1172cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1173{ 1174 size_t i, j, s = size / sizeof(cdf_secid_t); 1175 1176 for (i = 0; i < sat->sat_len; i++) { 1177 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1178 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1179 for (j = 0; j < s; j++) { 1180 (void)fprintf(stderr, "%5d, ", 1181 CDF_TOLE4(sat->sat_tab[s * i + j])); 1182 if ((j + 1) % 10 == 0) 1183 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1184 "u: ", i * s + j + 1); 1185 } 1186 (void)fprintf(stderr, "\n"); 1187 } 1188} 1189 1190void 1191cdf_dump(void *v, size_t len) 1192{ 1193 size_t i, j; 1194 unsigned char *p = v; 1195 char abuf[16]; 1196 (void)fprintf(stderr, "%.4x: ", 0); 1197 for (i = 0, j = 0; i < len; i++, p++) { 1198 (void)fprintf(stderr, "%.2x ", *p); 1199 abuf[j++] = isprint(*p) ? *p : '.'; 1200 if (j == 16) { 1201 j = 0; 1202 abuf[15] = '\0'; 1203 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1204 abuf, i + 1); 1205 } 1206 } 1207 (void)fprintf(stderr, "\n"); 1208} 1209 1210void 1211cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1212{ 1213 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1214 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1215 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1216} 1217 1218void 1219cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1220 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1221 const cdf_dir_t *dir) 1222{ 1223 size_t i, j; 1224 cdf_directory_t *d; 1225 char name[__arraycount(d->d_name)]; 1226 cdf_stream_t scn; 1227 struct timespec ts; 1228 1229 static const char *types[] = { "empty", "user storage", 1230 "user stream", "lockbytes", "property", "root storage" }; 1231 1232 for (i = 0; i < dir->dir_len; i++) { 1233 char buf[26]; 1234 d = &dir->dir_tab[i]; 1235 for (j = 0; j < sizeof(name); j++) 1236 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1237 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1238 i, name); 1239 if (d->d_type < __arraycount(types)) 1240 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1241 else 1242 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1243 (void)fprintf(stderr, "Color: %s\n", 1244 d->d_color ? "black" : "red"); 1245 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1246 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1247 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1248 cdf_timestamp_to_timespec(&ts, d->d_created); 1249 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1250 cdf_timestamp_to_timespec(&ts, d->d_modified); 1251 (void)fprintf(stderr, "Modified %s", 1252 cdf_ctime(&ts.tv_sec, buf)); 1253 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1254 (void)fprintf(stderr, "Size %d\n", d->d_size); 1255 switch (d->d_type) { 1256 case CDF_DIR_TYPE_USER_STORAGE: 1257 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1258 break; 1259 case CDF_DIR_TYPE_USER_STREAM: 1260 if (sst == NULL) 1261 break; 1262 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1263 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1264 warn("Can't read stream for %s at %d len %d", 1265 name, d->d_stream_first_sector, d->d_size); 1266 break; 1267 } 1268 cdf_dump_stream(h, &scn); 1269 free(scn.sst_tab); 1270 break; 1271 default: 1272 break; 1273 } 1274 1275 } 1276} 1277 1278void 1279cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1280{ 1281 cdf_timestamp_t tp; 1282 struct timespec ts; 1283 char buf[64]; 1284 size_t i, j; 1285 1286 for (i = 0; i < count; i++) { 1287 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1288 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1289 switch (info[i].pi_type) { 1290 case CDF_NULL: 1291 break; 1292 case CDF_SIGNED16: 1293 (void)fprintf(stderr, "signed 16 [%hd]\n", 1294 info[i].pi_s16); 1295 break; 1296 case CDF_SIGNED32: 1297 (void)fprintf(stderr, "signed 32 [%d]\n", 1298 info[i].pi_s32); 1299 break; 1300 case CDF_UNSIGNED32: 1301 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1302 info[i].pi_u32); 1303 break; 1304 case CDF_FLOAT: 1305 (void)fprintf(stderr, "float [%g]\n", 1306 info[i].pi_f); 1307 break; 1308 case CDF_DOUBLE: 1309 (void)fprintf(stderr, "double [%g]\n", 1310 info[i].pi_d); 1311 break; 1312 case CDF_LENGTH32_STRING: 1313 (void)fprintf(stderr, "string %u [%.*s]\n", 1314 info[i].pi_str.s_len, 1315 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1316 break; 1317 case CDF_LENGTH32_WSTRING: 1318 (void)fprintf(stderr, "string %u [", 1319 info[i].pi_str.s_len); 1320 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1321 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1322 (void)fprintf(stderr, "]\n"); 1323 break; 1324 case CDF_FILETIME: 1325 tp = info[i].pi_tp; 1326 if (tp < 1000000000000000LL) { 1327 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1328 (void)fprintf(stderr, "timestamp %s\n", buf); 1329 } else { 1330 char buf[26]; 1331 cdf_timestamp_to_timespec(&ts, tp); 1332 (void)fprintf(stderr, "timestamp %s", 1333 cdf_ctime(&ts.tv_sec, buf)); 1334 } 1335 break; 1336 case CDF_CLIPBOARD: 1337 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1338 break; 1339 default: 1340 DPRINTF(("Don't know how to deal with %x\n", 1341 info[i].pi_type)); 1342 break; 1343 } 1344 } 1345} 1346 1347 1348void 1349cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1350{ 1351 char buf[128]; 1352 cdf_summary_info_header_t ssi; 1353 cdf_property_info_t *info; 1354 size_t count; 1355 1356 (void)&h; 1357 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1358 return; 1359 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1360 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1361 ssi.si_os_version >> 8); 1362 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1363 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1364 (void)fprintf(stderr, "Class %s\n", buf); 1365 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1366 cdf_dump_property_info(info, count); 1367 free(info); 1368} 1369 1370 1371void 1372cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) 1373{ 1374 cdf_catalog_t *cat; 1375 cdf_unpack_catalog(h, sst, &cat); 1376 const cdf_catalog_entry_t *ce = cat->cat_e; 1377 struct timespec ts; 1378 char tbuf[64], sbuf[256]; 1379 size_t i; 1380 1381 printf("Catalog:\n"); 1382 for (i = 0; i < cat->cat_num; i++) { 1383 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); 1384 printf("\t%d %s %s", ce[i].ce_num, 1385 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), 1386 cdf_ctime(&ts.tv_sec, tbuf)); 1387 } 1388 free(cat); 1389} 1390 1391#endif 1392 1393#ifdef TEST 1394int 1395main(int argc, char *argv[]) 1396{ 1397 int i; 1398 cdf_header_t h; 1399 cdf_sat_t sat, ssat; 1400 cdf_stream_t sst, scn; 1401 cdf_dir_t dir; 1402 cdf_info_t info; 1403 const cdf_directory_t *root; 1404 1405 if (argc < 2) { 1406 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1407 return -1; 1408 } 1409 1410 info.i_buf = NULL; 1411 info.i_len = 0; 1412 for (i = 1; i < argc; i++) { 1413 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1414 err(1, "Cannot open `%s'", argv[1]); 1415 1416 if (cdf_read_header(&info, &h) == -1) 1417 err(1, "Cannot read header"); 1418#ifdef CDF_DEBUG 1419 cdf_dump_header(&h); 1420#endif 1421 1422 if (cdf_read_sat(&info, &h, &sat) == -1) 1423 err(1, "Cannot read sat"); 1424#ifdef CDF_DEBUG 1425 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1426#endif 1427 1428 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1429 err(1, "Cannot read ssat"); 1430#ifdef CDF_DEBUG 1431 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1432#endif 1433 1434 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1435 err(1, "Cannot read dir"); 1436 1437 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) 1438 == -1) 1439 err(1, "Cannot read short stream"); 1440#ifdef CDF_DEBUG 1441 cdf_dump_stream(&h, &sst); 1442#endif 1443 1444#ifdef CDF_DEBUG 1445 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1446#endif 1447 1448 1449 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1450 &scn) == -1) 1451 warn("Cannot read summary info"); 1452#ifdef CDF_DEBUG 1453 else 1454 cdf_dump_summary_info(&h, &scn); 1455#endif 1456 if (cdf_read_catalog(&info, &h, &sat, &ssat, &sst, &dir, 1457 &scn) == -1) 1458 warn("Cannot read catalog"); 1459#ifdef CDF_DEBUG 1460 else 1461 cdf_dump_catalog(&h, &scn); 1462#endif 1463 1464 (void)close(info.i_fd); 1465 } 1466 1467 return 0; 1468} 1469#endif 1470