cdf.c revision 284778
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 1.76 2015/02/28 00:18:02 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) (/*CONSTCOND*/sizeof(x) == 2 ? \ 77 CDF_TOLE2(CAST(uint16_t, x)) : \ 78 (/*CONSTCOND*/sizeof(x) == 4 ? \ 79 CDF_TOLE4(CAST(uint32_t, x)) : \ 80 CDF_TOLE8(CAST(uint64_t, x)))) 81#define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 82 83 84/* 85 * swap a short 86 */ 87static uint16_t 88_cdf_tole2(uint16_t sv) 89{ 90 uint16_t rv; 91 uint8_t *s = (uint8_t *)(void *)&sv; 92 uint8_t *d = (uint8_t *)(void *)&rv; 93 d[0] = s[1]; 94 d[1] = s[0]; 95 return rv; 96} 97 98/* 99 * swap an int 100 */ 101static uint32_t 102_cdf_tole4(uint32_t sv) 103{ 104 uint32_t rv; 105 uint8_t *s = (uint8_t *)(void *)&sv; 106 uint8_t *d = (uint8_t *)(void *)&rv; 107 d[0] = s[3]; 108 d[1] = s[2]; 109 d[2] = s[1]; 110 d[3] = s[0]; 111 return rv; 112} 113 114/* 115 * swap a quad 116 */ 117static uint64_t 118_cdf_tole8(uint64_t sv) 119{ 120 uint64_t rv; 121 uint8_t *s = (uint8_t *)(void *)&sv; 122 uint8_t *d = (uint8_t *)(void *)&rv; 123 d[0] = s[7]; 124 d[1] = s[6]; 125 d[2] = s[5]; 126 d[3] = s[4]; 127 d[4] = s[3]; 128 d[5] = s[2]; 129 d[6] = s[1]; 130 d[7] = s[0]; 131 return rv; 132} 133 134/* 135 * grab a uint32_t from a possibly unaligned address, and return it in 136 * the native host order. 137 */ 138static uint32_t 139cdf_getuint32(const uint8_t *p, size_t offs) 140{ 141 uint32_t rv; 142 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 143 return CDF_TOLE4(rv); 144} 145 146#define CDF_UNPACK(a) \ 147 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 148#define CDF_UNPACKA(a) \ 149 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 150 151uint16_t 152cdf_tole2(uint16_t sv) 153{ 154 return CDF_TOLE2(sv); 155} 156 157uint32_t 158cdf_tole4(uint32_t sv) 159{ 160 return CDF_TOLE4(sv); 161} 162 163uint64_t 164cdf_tole8(uint64_t sv) 165{ 166 return CDF_TOLE8(sv); 167} 168 169void 170cdf_swap_header(cdf_header_t *h) 171{ 172 size_t i; 173 174 h->h_magic = CDF_TOLE8(h->h_magic); 175 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 176 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 177 h->h_revision = CDF_TOLE2(h->h_revision); 178 h->h_version = CDF_TOLE2(h->h_version); 179 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 180 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 181 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 182 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 183 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 184 h->h_min_size_standard_stream = 185 CDF_TOLE4(h->h_min_size_standard_stream); 186 h->h_secid_first_sector_in_short_sat = 187 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 188 h->h_num_sectors_in_short_sat = 189 CDF_TOLE4(h->h_num_sectors_in_short_sat); 190 h->h_secid_first_sector_in_master_sat = 191 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 192 h->h_num_sectors_in_master_sat = 193 CDF_TOLE4(h->h_num_sectors_in_master_sat); 194 for (i = 0; i < __arraycount(h->h_master_sat); i++) 195 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 196} 197 198void 199cdf_unpack_header(cdf_header_t *h, char *buf) 200{ 201 size_t i; 202 size_t len = 0; 203 204 CDF_UNPACK(h->h_magic); 205 CDF_UNPACKA(h->h_uuid); 206 CDF_UNPACK(h->h_revision); 207 CDF_UNPACK(h->h_version); 208 CDF_UNPACK(h->h_byte_order); 209 CDF_UNPACK(h->h_sec_size_p2); 210 CDF_UNPACK(h->h_short_sec_size_p2); 211 CDF_UNPACKA(h->h_unused0); 212 CDF_UNPACK(h->h_num_sectors_in_sat); 213 CDF_UNPACK(h->h_secid_first_directory); 214 CDF_UNPACKA(h->h_unused1); 215 CDF_UNPACK(h->h_min_size_standard_stream); 216 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 217 CDF_UNPACK(h->h_num_sectors_in_short_sat); 218 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 219 CDF_UNPACK(h->h_num_sectors_in_master_sat); 220 for (i = 0; i < __arraycount(h->h_master_sat); i++) 221 CDF_UNPACK(h->h_master_sat[i]); 222} 223 224void 225cdf_swap_dir(cdf_directory_t *d) 226{ 227 d->d_namelen = CDF_TOLE2(d->d_namelen); 228 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 229 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 230 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 231 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 232 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 233 d->d_flags = CDF_TOLE4(d->d_flags); 234 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 235 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 236 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 237 d->d_size = CDF_TOLE4(d->d_size); 238} 239 240void 241cdf_swap_class(cdf_classid_t *d) 242{ 243 d->cl_dword = CDF_TOLE4(d->cl_dword); 244 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 245 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 246} 247 248void 249cdf_unpack_dir(cdf_directory_t *d, char *buf) 250{ 251 size_t len = 0; 252 253 CDF_UNPACKA(d->d_name); 254 CDF_UNPACK(d->d_namelen); 255 CDF_UNPACK(d->d_type); 256 CDF_UNPACK(d->d_color); 257 CDF_UNPACK(d->d_left_child); 258 CDF_UNPACK(d->d_right_child); 259 CDF_UNPACK(d->d_storage); 260 CDF_UNPACKA(d->d_storage_uuid); 261 CDF_UNPACK(d->d_flags); 262 CDF_UNPACK(d->d_created); 263 CDF_UNPACK(d->d_modified); 264 CDF_UNPACK(d->d_stream_first_sector); 265 CDF_UNPACK(d->d_size); 266 CDF_UNPACK(d->d_unused0); 267} 268 269static int 270cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 271 const void *p, size_t tail, int line) 272{ 273 const char *b = (const char *)sst->sst_tab; 274 const char *e = ((const char *)p) + tail; 275 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 276 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 277 /*LINTED*/(void)&line; 278 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len) 279 return 0; 280 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 281 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 282 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 283 ss * sst->sst_len, ss, sst->sst_len)); 284 errno = EFTYPE; 285 return -1; 286} 287 288static ssize_t 289cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 290{ 291 size_t siz = (size_t)off + len; 292 293 if ((off_t)(off + len) != (off_t)siz) { 294 errno = EINVAL; 295 return -1; 296 } 297 298 if (info->i_buf != NULL && info->i_len >= siz) { 299 (void)memcpy(buf, &info->i_buf[off], len); 300 return (ssize_t)len; 301 } 302 303 if (info->i_fd == -1) 304 return -1; 305 306 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 307 return -1; 308 309 return (ssize_t)len; 310} 311 312int 313cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 314{ 315 char buf[512]; 316 317 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 318 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 319 return -1; 320 cdf_unpack_header(h, buf); 321 cdf_swap_header(h); 322 if (h->h_magic != CDF_MAGIC) { 323 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 324 INT64_T_FORMAT "x\n", 325 (unsigned long long)h->h_magic, 326 (unsigned long long)CDF_MAGIC)); 327 goto out; 328 } 329 if (h->h_sec_size_p2 > 20) { 330 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 331 goto out; 332 } 333 if (h->h_short_sec_size_p2 > 20) { 334 DPRINTF(("Bad short sector size 0x%u\n", 335 h->h_short_sec_size_p2)); 336 goto out; 337 } 338 return 0; 339out: 340 errno = EFTYPE; 341 return -1; 342} 343 344 345ssize_t 346cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 347 const cdf_header_t *h, cdf_secid_t id) 348{ 349 size_t ss = CDF_SEC_SIZE(h); 350 size_t pos = CDF_SEC_POS(h, id); 351 assert(ss == len); 352 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 353} 354 355ssize_t 356cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 357 size_t len, const cdf_header_t *h, cdf_secid_t id) 358{ 359 size_t ss = CDF_SHORT_SEC_SIZE(h); 360 size_t pos = CDF_SHORT_SEC_POS(h, id); 361 assert(ss == len); 362 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 363 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 364 SIZE_T_FORMAT "u\n", 365 pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 366 return -1; 367 } 368 (void)memcpy(((char *)buf) + offs, 369 ((const char *)sst->sst_tab) + pos, len); 370 return len; 371} 372 373/* 374 * Read the sector allocation table. 375 */ 376int 377cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 378{ 379 size_t i, j, k; 380 size_t ss = CDF_SEC_SIZE(h); 381 cdf_secid_t *msa, mid, sec; 382 size_t nsatpersec = (ss / sizeof(mid)) - 1; 383 384 for (i = 0; i < __arraycount(h->h_master_sat); i++) 385 if (h->h_master_sat[i] == CDF_SECID_FREE) 386 break; 387 388#define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 389 if ((nsatpersec > 0 && 390 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 391 i > CDF_SEC_LIMIT) { 392 DPRINTF(("Number of sectors in master SAT too big %u %" 393 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 394 errno = EFTYPE; 395 return -1; 396 } 397 398 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 399 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 400 sat->sat_len, ss)); 401 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 402 == NULL) 403 return -1; 404 405 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 406 if (h->h_master_sat[i] < 0) 407 break; 408 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 409 h->h_master_sat[i]) != (ssize_t)ss) { 410 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 411 goto out1; 412 } 413 } 414 415 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 416 goto out1; 417 418 mid = h->h_secid_first_sector_in_master_sat; 419 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 420 if (mid < 0) 421 goto out; 422 if (j >= CDF_LOOP_LIMIT) { 423 DPRINTF(("Reading master sector loop limit")); 424 errno = EFTYPE; 425 goto out2; 426 } 427 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 428 DPRINTF(("Reading master sector %d", mid)); 429 goto out2; 430 } 431 for (k = 0; k < nsatpersec; k++, i++) { 432 sec = CDF_TOLE4((uint32_t)msa[k]); 433 if (sec < 0) 434 goto out; 435 if (i >= sat->sat_len) { 436 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 437 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 438 errno = EFTYPE; 439 goto out2; 440 } 441 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 442 sec) != (ssize_t)ss) { 443 DPRINTF(("Reading sector %d", 444 CDF_TOLE4(msa[k]))); 445 goto out2; 446 } 447 } 448 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 449 } 450out: 451 sat->sat_len = i; 452 free(msa); 453 return 0; 454out2: 455 free(msa); 456out1: 457 free(sat->sat_tab); 458 return -1; 459} 460 461size_t 462cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 463{ 464 size_t i, j; 465 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size) 466 / sizeof(maxsector)); 467 468 DPRINTF(("Chain:")); 469 if (sid == CDF_SECID_END_OF_CHAIN) { 470 /* 0-length chain. */ 471 DPRINTF((" empty\n")); 472 return 0; 473 } 474 475 for (j = i = 0; sid >= 0; i++, j++) { 476 DPRINTF((" %d", sid)); 477 if (j >= CDF_LOOP_LIMIT) { 478 DPRINTF(("Counting chain loop limit")); 479 errno = EFTYPE; 480 return (size_t)-1; 481 } 482 if (sid >= maxsector) { 483 DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 484 errno = EFTYPE; 485 return (size_t)-1; 486 } 487 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 488 } 489 if (i == 0) { 490 DPRINTF((" none, sid: %d\n", sid)); 491 return (size_t)-1; 492 493 } 494 DPRINTF(("\n")); 495 return i; 496} 497 498int 499cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 500 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 501{ 502 size_t ss = CDF_SEC_SIZE(h), i, j; 503 ssize_t nr; 504 scn->sst_len = cdf_count_chain(sat, sid, ss); 505 scn->sst_dirlen = len; 506 507 if (scn->sst_len == (size_t)-1) 508 return -1; 509 510 scn->sst_tab = calloc(scn->sst_len, ss); 511 if (scn->sst_tab == NULL) 512 return -1; 513 514 for (j = i = 0; sid >= 0; i++, j++) { 515 if (j >= CDF_LOOP_LIMIT) { 516 DPRINTF(("Read long sector chain loop limit")); 517 errno = EFTYPE; 518 goto out; 519 } 520 if (i >= scn->sst_len) { 521 DPRINTF(("Out of bounds reading long sector chain " 522 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 523 scn->sst_len)); 524 errno = EFTYPE; 525 goto out; 526 } 527 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 528 sid)) != (ssize_t)ss) { 529 if (i == scn->sst_len - 1 && nr > 0) { 530 /* Last sector might be truncated */ 531 return 0; 532 } 533 DPRINTF(("Reading long sector chain %d", sid)); 534 goto out; 535 } 536 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 537 } 538 return 0; 539out: 540 free(scn->sst_tab); 541 return -1; 542} 543 544int 545cdf_read_short_sector_chain(const cdf_header_t *h, 546 const cdf_sat_t *ssat, const cdf_stream_t *sst, 547 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 548{ 549 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 550 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 551 scn->sst_dirlen = len; 552 553 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1) 554 return -1; 555 556 scn->sst_tab = calloc(scn->sst_len, ss); 557 if (scn->sst_tab == NULL) 558 return -1; 559 560 for (j = i = 0; sid >= 0; i++, j++) { 561 if (j >= CDF_LOOP_LIMIT) { 562 DPRINTF(("Read short sector chain loop limit")); 563 errno = EFTYPE; 564 goto out; 565 } 566 if (i >= scn->sst_len) { 567 DPRINTF(("Out of bounds reading short sector chain " 568 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 569 i, scn->sst_len)); 570 errno = EFTYPE; 571 goto out; 572 } 573 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 574 sid) != (ssize_t)ss) { 575 DPRINTF(("Reading short sector chain %d", sid)); 576 goto out; 577 } 578 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 579 } 580 return 0; 581out: 582 free(scn->sst_tab); 583 return -1; 584} 585 586int 587cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 588 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 589 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 590{ 591 592 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 593 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 594 scn); 595 else 596 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 597} 598 599int 600cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 601 const cdf_sat_t *sat, cdf_dir_t *dir) 602{ 603 size_t i, j; 604 size_t ss = CDF_SEC_SIZE(h), ns, nd; 605 char *buf; 606 cdf_secid_t sid = h->h_secid_first_directory; 607 608 ns = cdf_count_chain(sat, sid, ss); 609 if (ns == (size_t)-1) 610 return -1; 611 612 nd = ss / CDF_DIRECTORY_SIZE; 613 614 dir->dir_len = ns * nd; 615 dir->dir_tab = CAST(cdf_directory_t *, 616 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 617 if (dir->dir_tab == NULL) 618 return -1; 619 620 if ((buf = CAST(char *, malloc(ss))) == NULL) { 621 free(dir->dir_tab); 622 return -1; 623 } 624 625 for (j = i = 0; i < ns; i++, j++) { 626 if (j >= CDF_LOOP_LIMIT) { 627 DPRINTF(("Read dir loop limit")); 628 errno = EFTYPE; 629 goto out; 630 } 631 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 632 DPRINTF(("Reading directory sector %d", sid)); 633 goto out; 634 } 635 for (j = 0; j < nd; j++) { 636 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 637 &buf[j * CDF_DIRECTORY_SIZE]); 638 } 639 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 640 } 641 if (NEED_SWAP) 642 for (i = 0; i < dir->dir_len; i++) 643 cdf_swap_dir(&dir->dir_tab[i]); 644 free(buf); 645 return 0; 646out: 647 free(dir->dir_tab); 648 free(buf); 649 return -1; 650} 651 652 653int 654cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 655 const cdf_sat_t *sat, cdf_sat_t *ssat) 656{ 657 size_t i, j; 658 size_t ss = CDF_SEC_SIZE(h); 659 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 660 661 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h)); 662 if (ssat->sat_len == (size_t)-1) 663 return -1; 664 665 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 666 if (ssat->sat_tab == NULL) 667 return -1; 668 669 for (j = i = 0; sid >= 0; i++, j++) { 670 if (j >= CDF_LOOP_LIMIT) { 671 DPRINTF(("Read short sat sector loop limit")); 672 errno = EFTYPE; 673 goto out; 674 } 675 if (i >= ssat->sat_len) { 676 DPRINTF(("Out of bounds reading short sector chain " 677 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 678 ssat->sat_len)); 679 errno = EFTYPE; 680 goto out; 681 } 682 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 683 (ssize_t)ss) { 684 DPRINTF(("Reading short sat sector %d", sid)); 685 goto out; 686 } 687 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 688 } 689 return 0; 690out: 691 free(ssat->sat_tab); 692 return -1; 693} 694 695int 696cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 697 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 698 const cdf_directory_t **root) 699{ 700 size_t i; 701 const cdf_directory_t *d; 702 703 *root = NULL; 704 for (i = 0; i < dir->dir_len; i++) 705 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 706 break; 707 708 /* If the it is not there, just fake it; some docs don't have it */ 709 if (i == dir->dir_len) 710 goto out; 711 d = &dir->dir_tab[i]; 712 *root = d; 713 714 /* If the it is not there, just fake it; some docs don't have it */ 715 if (d->d_stream_first_sector < 0) 716 goto out; 717 718 return cdf_read_long_sector_chain(info, h, sat, 719 d->d_stream_first_sector, d->d_size, scn); 720out: 721 scn->sst_tab = NULL; 722 scn->sst_len = 0; 723 scn->sst_dirlen = 0; 724 return 0; 725} 726 727static int 728cdf_namecmp(const char *d, const uint16_t *s, size_t l) 729{ 730 for (; l--; d++, s++) 731 if (*d != CDF_TOLE2(*s)) 732 return (unsigned char)*d - CDF_TOLE2(*s); 733 return 0; 734} 735 736int 737cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 738 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 739 const cdf_dir_t *dir, cdf_stream_t *scn) 740{ 741 return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 742 "\05SummaryInformation", scn); 743} 744 745int 746cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 747 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 748 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 749{ 750 const cdf_directory_t *d; 751 int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM); 752 753 if (i <= 0) 754 return -1; 755 756 d = &dir->dir_tab[i - 1]; 757 return cdf_read_sector_chain(info, h, sat, ssat, sst, 758 d->d_stream_first_sector, d->d_size, scn); 759} 760 761int 762cdf_find_stream(const cdf_dir_t *dir, const char *name, int type) 763{ 764 size_t i, name_len = strlen(name) + 1; 765 766 for (i = dir->dir_len; i > 0; i--) 767 if (dir->dir_tab[i - 1].d_type == type && 768 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 769 == 0) 770 break; 771 if (i > 0) 772 return i; 773 774 DPRINTF(("Cannot find type %d `%s'\n", type, name)); 775 errno = ESRCH; 776 return 0; 777} 778 779int 780cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 781 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 782{ 783 const cdf_section_header_t *shp; 784 cdf_section_header_t sh; 785 const uint8_t *p, *q, *e; 786 int16_t s16; 787 int32_t s32; 788 uint32_t u32; 789 int64_t s64; 790 uint64_t u64; 791 cdf_timestamp_t tp; 792 size_t i, o, o4, nelements, j; 793 cdf_property_info_t *inp; 794 795 if (offs > UINT32_MAX / 4) { 796 errno = EFTYPE; 797 goto out; 798 } 799 shp = CAST(const cdf_section_header_t *, (const void *) 800 ((const char *)sst->sst_tab + offs)); 801 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 802 goto out; 803 sh.sh_len = CDF_TOLE4(shp->sh_len); 804#define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 805 if (sh.sh_len > CDF_SHLEN_LIMIT) { 806 errno = EFTYPE; 807 goto out; 808 } 809 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 810#define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 811 if (sh.sh_properties > CDF_PROP_LIMIT) 812 goto out; 813 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 814 sh.sh_properties)); 815 if (*maxcount) { 816 if (*maxcount > CDF_PROP_LIMIT) 817 goto out; 818 *maxcount += sh.sh_properties; 819 inp = CAST(cdf_property_info_t *, 820 realloc(*info, *maxcount * sizeof(*inp))); 821 } else { 822 *maxcount = sh.sh_properties; 823 inp = CAST(cdf_property_info_t *, 824 malloc(*maxcount * sizeof(*inp))); 825 } 826 if (inp == NULL) 827 goto out; 828 *info = inp; 829 inp += *count; 830 *count += sh.sh_properties; 831 p = CAST(const uint8_t *, (const void *) 832 ((const char *)(const void *)sst->sst_tab + 833 offs + sizeof(sh))); 834 e = CAST(const uint8_t *, (const void *) 835 (((const char *)(const void *)shp) + sh.sh_len)); 836 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 837 goto out; 838 for (i = 0; i < sh.sh_properties; i++) { 839 size_t tail = (i << 1) + 1; 840 size_t ofs; 841 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), 842 __LINE__) == -1) 843 goto out; 844 ofs = CDF_GETUINT32(p, tail); 845 q = (const uint8_t *)(const void *) 846 ((const char *)(const void *)p + ofs 847 - 2 * sizeof(uint32_t)); 848 if (q < p) { 849 DPRINTF(("Wrapped around %p < %p\n", q, p)); 850 goto out; 851 } 852 if (q > e) { 853 DPRINTF(("Ran of the end %p > %p\n", q, e)); 854 goto out; 855 } 856 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 857 inp[i].pi_type = CDF_GETUINT32(q, 0); 858 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 859 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 860 if (inp[i].pi_type & CDF_VECTOR) { 861 nelements = CDF_GETUINT32(q, 1); 862 if (nelements == 0) { 863 DPRINTF(("CDF_VECTOR with nelements == 0\n")); 864 goto out; 865 } 866 o = 2; 867 } else { 868 nelements = 1; 869 o = 1; 870 } 871 o4 = o * sizeof(uint32_t); 872 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 873 goto unknown; 874 switch (inp[i].pi_type & CDF_TYPEMASK) { 875 case CDF_NULL: 876 case CDF_EMPTY: 877 break; 878 case CDF_SIGNED16: 879 if (inp[i].pi_type & CDF_VECTOR) 880 goto unknown; 881 (void)memcpy(&s16, &q[o4], sizeof(s16)); 882 inp[i].pi_s16 = CDF_TOLE2(s16); 883 break; 884 case CDF_SIGNED32: 885 if (inp[i].pi_type & CDF_VECTOR) 886 goto unknown; 887 (void)memcpy(&s32, &q[o4], sizeof(s32)); 888 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 889 break; 890 case CDF_BOOL: 891 case CDF_UNSIGNED32: 892 if (inp[i].pi_type & CDF_VECTOR) 893 goto unknown; 894 (void)memcpy(&u32, &q[o4], sizeof(u32)); 895 inp[i].pi_u32 = CDF_TOLE4(u32); 896 break; 897 case CDF_SIGNED64: 898 if (inp[i].pi_type & CDF_VECTOR) 899 goto unknown; 900 (void)memcpy(&s64, &q[o4], sizeof(s64)); 901 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 902 break; 903 case CDF_UNSIGNED64: 904 if (inp[i].pi_type & CDF_VECTOR) 905 goto unknown; 906 (void)memcpy(&u64, &q[o4], sizeof(u64)); 907 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 908 break; 909 case CDF_FLOAT: 910 if (inp[i].pi_type & CDF_VECTOR) 911 goto unknown; 912 (void)memcpy(&u32, &q[o4], sizeof(u32)); 913 u32 = CDF_TOLE4(u32); 914 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 915 break; 916 case CDF_DOUBLE: 917 if (inp[i].pi_type & CDF_VECTOR) 918 goto unknown; 919 (void)memcpy(&u64, &q[o4], sizeof(u64)); 920 u64 = CDF_TOLE8((uint64_t)u64); 921 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 922 break; 923 case CDF_LENGTH32_STRING: 924 case CDF_LENGTH32_WSTRING: 925 if (nelements > 1) { 926 size_t nelem = inp - *info; 927 if (*maxcount > CDF_PROP_LIMIT 928 || nelements > CDF_PROP_LIMIT) 929 goto out; 930 *maxcount += nelements; 931 inp = CAST(cdf_property_info_t *, 932 realloc(*info, *maxcount * sizeof(*inp))); 933 if (inp == NULL) 934 goto out; 935 *info = inp; 936 inp = *info + nelem; 937 } 938 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 939 nelements)); 940 for (j = 0; j < nelements && i < sh.sh_properties; 941 j++, i++) 942 { 943 uint32_t l = CDF_GETUINT32(q, o); 944 inp[i].pi_str.s_len = l; 945 inp[i].pi_str.s_buf = (const char *) 946 (const void *)(&q[o4 + sizeof(l)]); 947 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 948 "u, s = %s\n", l, 949 CDF_ROUND(l, sizeof(l)), 950 inp[i].pi_str.s_buf)); 951 if (l & 1) 952 l++; 953 o += l >> 1; 954 if (q + o >= e) 955 goto out; 956 o4 = o * sizeof(uint32_t); 957 } 958 i--; 959 break; 960 case CDF_FILETIME: 961 if (inp[i].pi_type & CDF_VECTOR) 962 goto unknown; 963 (void)memcpy(&tp, &q[o4], sizeof(tp)); 964 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 965 break; 966 case CDF_CLIPBOARD: 967 if (inp[i].pi_type & CDF_VECTOR) 968 goto unknown; 969 break; 970 default: 971 unknown: 972 DPRINTF(("Don't know how to deal with %x\n", 973 inp[i].pi_type)); 974 break; 975 } 976 } 977 return 0; 978out: 979 free(*info); 980 return -1; 981} 982 983int 984cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 985 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 986{ 987 size_t maxcount; 988 const cdf_summary_info_header_t *si = 989 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 990 const cdf_section_declaration_t *sd = 991 CAST(const cdf_section_declaration_t *, (const void *) 992 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 993 994 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 995 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 996 return -1; 997 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 998 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 999 ssi->si_os = CDF_TOLE2(si->si_os); 1000 ssi->si_class = si->si_class; 1001 cdf_swap_class(&ssi->si_class); 1002 ssi->si_count = CDF_TOLE4(si->si_count); 1003 *count = 0; 1004 maxcount = 0; 1005 *info = NULL; 1006 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 1007 count, &maxcount) == -1) 1008 return -1; 1009 return 0; 1010} 1011 1012 1013#define extract_catalog_field(t, f, l) \ 1014 if (b + l + sizeof(cep->f) > eb) { \ 1015 cep->ce_namlen = 0; \ 1016 break; \ 1017 } \ 1018 memcpy(&cep->f, b + (l), sizeof(cep->f)); \ 1019 ce[i].f = CAST(t, CDF_TOLE(cep->f)) 1020 1021int 1022cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, 1023 cdf_catalog_t **cat) 1024{ 1025 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1026 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1027 const char *b = CAST(const char *, sst->sst_tab); 1028 const char *eb = b + ss * sst->sst_len; 1029 size_t nr, i, j, k; 1030 cdf_catalog_entry_t *ce; 1031 uint16_t reclen; 1032 const uint16_t *np; 1033 1034 for (nr = 0;; nr++) { 1035 memcpy(&reclen, b, sizeof(reclen)); 1036 reclen = CDF_TOLE2(reclen); 1037 if (reclen == 0) 1038 break; 1039 b += reclen; 1040 if (b > eb) 1041 break; 1042 } 1043 nr--; 1044 *cat = CAST(cdf_catalog_t *, 1045 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); 1046 ce = (*cat)->cat_e; 1047 memset(ce, 0, nr * sizeof(*ce)); 1048 b = CAST(const char *, sst->sst_tab); 1049 for (j = i = 0; i < nr; b += reclen) { 1050 cdf_catalog_entry_t *cep = &ce[j]; 1051 uint16_t rlen; 1052 1053 extract_catalog_field(uint16_t, ce_namlen, 0); 1054 extract_catalog_field(uint16_t, ce_num, 4); 1055 extract_catalog_field(uint64_t, ce_timestamp, 8); 1056 reclen = cep->ce_namlen; 1057 1058 if (reclen < 14) { 1059 cep->ce_namlen = 0; 1060 continue; 1061 } 1062 1063 cep->ce_namlen = __arraycount(cep->ce_name) - 1; 1064 rlen = reclen - 14; 1065 if (cep->ce_namlen > rlen) 1066 cep->ce_namlen = rlen; 1067 1068 np = CAST(const uint16_t *, CAST(const void *, (b + 16))); 1069 if (CAST(const char *, np + cep->ce_namlen) > eb) { 1070 cep->ce_namlen = 0; 1071 break; 1072 } 1073 1074 for (k = 0; k < cep->ce_namlen; k++) 1075 cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */ 1076 cep->ce_name[cep->ce_namlen] = 0; 1077 j = i; 1078 i++; 1079 } 1080 (*cat)->cat_num = j; 1081 return 0; 1082} 1083 1084int 1085cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 1086{ 1087 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 1088 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 1089 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 1090 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 1091 id->cl_six[5]); 1092} 1093 1094static const struct { 1095 uint32_t v; 1096 const char *n; 1097} vn[] = { 1098 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1099 { CDF_PROPERTY_TITLE, "Title" }, 1100 { CDF_PROPERTY_SUBJECT, "Subject" }, 1101 { CDF_PROPERTY_AUTHOR, "Author" }, 1102 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1103 { CDF_PROPERTY_COMMENTS, "Comments" }, 1104 { CDF_PROPERTY_TEMPLATE, "Template" }, 1105 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1106 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1107 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1108 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1109 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1110 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1111 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1112 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1113 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1114 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1115 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1116 { CDF_PROPERTY_SECURITY, "Security" }, 1117 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1118}; 1119 1120int 1121cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1122{ 1123 size_t i; 1124 1125 for (i = 0; i < __arraycount(vn); i++) 1126 if (vn[i].v == p) 1127 return snprintf(buf, bufsiz, "%s", vn[i].n); 1128 return snprintf(buf, bufsiz, "0x%x", p); 1129} 1130 1131int 1132cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1133{ 1134 int len = 0; 1135 int days, hours, mins, secs; 1136 1137 ts /= CDF_TIME_PREC; 1138 secs = (int)(ts % 60); 1139 ts /= 60; 1140 mins = (int)(ts % 60); 1141 ts /= 60; 1142 hours = (int)(ts % 24); 1143 ts /= 24; 1144 days = (int)ts; 1145 1146 if (days) { 1147 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1148 if ((size_t)len >= bufsiz) 1149 return len; 1150 } 1151 1152 if (days || hours) { 1153 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1154 if ((size_t)len >= bufsiz) 1155 return len; 1156 } 1157 1158 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1159 if ((size_t)len >= bufsiz) 1160 return len; 1161 1162 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1163 return len; 1164} 1165 1166char * 1167cdf_u16tos8(char *buf, size_t len, const uint16_t *p) 1168{ 1169 size_t i; 1170 for (i = 0; i < len && p[i]; i++) 1171 buf[i] = (char)p[i]; 1172 buf[i] = '\0'; 1173 return buf; 1174} 1175 1176#ifdef CDF_DEBUG 1177void 1178cdf_dump_header(const cdf_header_t *h) 1179{ 1180 size_t i; 1181 1182#define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1183#define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1184 h->h_ ## b, 1 << h->h_ ## b) 1185 DUMP("%d", revision); 1186 DUMP("%d", version); 1187 DUMP("0x%x", byte_order); 1188 DUMP2("%d", sec_size_p2); 1189 DUMP2("%d", short_sec_size_p2); 1190 DUMP("%d", num_sectors_in_sat); 1191 DUMP("%d", secid_first_directory); 1192 DUMP("%d", min_size_standard_stream); 1193 DUMP("%d", secid_first_sector_in_short_sat); 1194 DUMP("%d", num_sectors_in_short_sat); 1195 DUMP("%d", secid_first_sector_in_master_sat); 1196 DUMP("%d", num_sectors_in_master_sat); 1197 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1198 if (h->h_master_sat[i] == CDF_SECID_FREE) 1199 break; 1200 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", 1201 "master_sat", i, h->h_master_sat[i]); 1202 } 1203} 1204 1205void 1206cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1207{ 1208 size_t i, j, s = size / sizeof(cdf_secid_t); 1209 1210 for (i = 0; i < sat->sat_len; i++) { 1211 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1212 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1213 for (j = 0; j < s; j++) { 1214 (void)fprintf(stderr, "%5d, ", 1215 CDF_TOLE4(sat->sat_tab[s * i + j])); 1216 if ((j + 1) % 10 == 0) 1217 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1218 "u: ", i * s + j + 1); 1219 } 1220 (void)fprintf(stderr, "\n"); 1221 } 1222} 1223 1224void 1225cdf_dump(const void *v, size_t len) 1226{ 1227 size_t i, j; 1228 const unsigned char *p = v; 1229 char abuf[16]; 1230 1231 (void)fprintf(stderr, "%.4x: ", 0); 1232 for (i = 0, j = 0; i < len; i++, p++) { 1233 (void)fprintf(stderr, "%.2x ", *p); 1234 abuf[j++] = isprint(*p) ? *p : '.'; 1235 if (j == 16) { 1236 j = 0; 1237 abuf[15] = '\0'; 1238 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1239 abuf, i + 1); 1240 } 1241 } 1242 (void)fprintf(stderr, "\n"); 1243} 1244 1245void 1246cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1247{ 1248 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1249 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1250 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1251} 1252 1253void 1254cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1255 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1256 const cdf_dir_t *dir) 1257{ 1258 size_t i, j; 1259 cdf_directory_t *d; 1260 char name[__arraycount(d->d_name)]; 1261 cdf_stream_t scn; 1262 struct timespec ts; 1263 1264 static const char *types[] = { "empty", "user storage", 1265 "user stream", "lockbytes", "property", "root storage" }; 1266 1267 for (i = 0; i < dir->dir_len; i++) { 1268 char buf[26]; 1269 d = &dir->dir_tab[i]; 1270 for (j = 0; j < sizeof(name); j++) 1271 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1272 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1273 i, name); 1274 if (d->d_type < __arraycount(types)) 1275 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1276 else 1277 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1278 (void)fprintf(stderr, "Color: %s\n", 1279 d->d_color ? "black" : "red"); 1280 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1281 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1282 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1283 cdf_timestamp_to_timespec(&ts, d->d_created); 1284 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1285 cdf_timestamp_to_timespec(&ts, d->d_modified); 1286 (void)fprintf(stderr, "Modified %s", 1287 cdf_ctime(&ts.tv_sec, buf)); 1288 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1289 (void)fprintf(stderr, "Size %d\n", d->d_size); 1290 switch (d->d_type) { 1291 case CDF_DIR_TYPE_USER_STORAGE: 1292 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1293 break; 1294 case CDF_DIR_TYPE_USER_STREAM: 1295 if (sst == NULL) 1296 break; 1297 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1298 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1299 warn("Can't read stream for %s at %d len %d", 1300 name, d->d_stream_first_sector, d->d_size); 1301 break; 1302 } 1303 cdf_dump_stream(h, &scn); 1304 free(scn.sst_tab); 1305 break; 1306 default: 1307 break; 1308 } 1309 1310 } 1311} 1312 1313void 1314cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1315{ 1316 cdf_timestamp_t tp; 1317 struct timespec ts; 1318 char buf[64]; 1319 size_t i, j; 1320 1321 for (i = 0; i < count; i++) { 1322 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1323 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1324 switch (info[i].pi_type) { 1325 case CDF_NULL: 1326 break; 1327 case CDF_SIGNED16: 1328 (void)fprintf(stderr, "signed 16 [%hd]\n", 1329 info[i].pi_s16); 1330 break; 1331 case CDF_SIGNED32: 1332 (void)fprintf(stderr, "signed 32 [%d]\n", 1333 info[i].pi_s32); 1334 break; 1335 case CDF_UNSIGNED32: 1336 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1337 info[i].pi_u32); 1338 break; 1339 case CDF_FLOAT: 1340 (void)fprintf(stderr, "float [%g]\n", 1341 info[i].pi_f); 1342 break; 1343 case CDF_DOUBLE: 1344 (void)fprintf(stderr, "double [%g]\n", 1345 info[i].pi_d); 1346 break; 1347 case CDF_LENGTH32_STRING: 1348 (void)fprintf(stderr, "string %u [%.*s]\n", 1349 info[i].pi_str.s_len, 1350 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1351 break; 1352 case CDF_LENGTH32_WSTRING: 1353 (void)fprintf(stderr, "string %u [", 1354 info[i].pi_str.s_len); 1355 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1356 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1357 (void)fprintf(stderr, "]\n"); 1358 break; 1359 case CDF_FILETIME: 1360 tp = info[i].pi_tp; 1361 if (tp < 1000000000000000LL) { 1362 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1363 (void)fprintf(stderr, "timestamp %s\n", buf); 1364 } else { 1365 char tbuf[26]; 1366 cdf_timestamp_to_timespec(&ts, tp); 1367 (void)fprintf(stderr, "timestamp %s", 1368 cdf_ctime(&ts.tv_sec, tbuf)); 1369 } 1370 break; 1371 case CDF_CLIPBOARD: 1372 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1373 break; 1374 default: 1375 DPRINTF(("Don't know how to deal with %x\n", 1376 info[i].pi_type)); 1377 break; 1378 } 1379 } 1380} 1381 1382 1383void 1384cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1385{ 1386 char buf[128]; 1387 cdf_summary_info_header_t ssi; 1388 cdf_property_info_t *info; 1389 size_t count; 1390 1391 (void)&h; 1392 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1393 return; 1394 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1395 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1396 ssi.si_os_version >> 8); 1397 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1398 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1399 (void)fprintf(stderr, "Class %s\n", buf); 1400 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1401 cdf_dump_property_info(info, count); 1402 free(info); 1403} 1404 1405 1406void 1407cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) 1408{ 1409 cdf_catalog_t *cat; 1410 cdf_unpack_catalog(h, sst, &cat); 1411 const cdf_catalog_entry_t *ce = cat->cat_e; 1412 struct timespec ts; 1413 char tbuf[64], sbuf[256]; 1414 size_t i; 1415 1416 printf("Catalog:\n"); 1417 for (i = 0; i < cat->cat_num; i++) { 1418 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); 1419 printf("\t%d %s %s", ce[i].ce_num, 1420 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), 1421 cdf_ctime(&ts.tv_sec, tbuf)); 1422 } 1423 free(cat); 1424} 1425 1426#endif 1427 1428#ifdef TEST 1429int 1430main(int argc, char *argv[]) 1431{ 1432 int i; 1433 cdf_header_t h; 1434 cdf_sat_t sat, ssat; 1435 cdf_stream_t sst, scn; 1436 cdf_dir_t dir; 1437 cdf_info_t info; 1438 const cdf_directory_t *root; 1439#ifdef __linux__ 1440#define getprogname() __progname 1441 extern char *__progname; 1442#endif 1443 if (argc < 2) { 1444 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1445 return -1; 1446 } 1447 1448 info.i_buf = NULL; 1449 info.i_len = 0; 1450 for (i = 1; i < argc; i++) { 1451 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1452 err(1, "Cannot open `%s'", argv[1]); 1453 1454 if (cdf_read_header(&info, &h) == -1) 1455 err(1, "Cannot read header"); 1456#ifdef CDF_DEBUG 1457 cdf_dump_header(&h); 1458#endif 1459 1460 if (cdf_read_sat(&info, &h, &sat) == -1) 1461 err(1, "Cannot read sat"); 1462#ifdef CDF_DEBUG 1463 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1464#endif 1465 1466 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1467 err(1, "Cannot read ssat"); 1468#ifdef CDF_DEBUG 1469 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1470#endif 1471 1472 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1473 err(1, "Cannot read dir"); 1474 1475 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) 1476 == -1) 1477 err(1, "Cannot read short stream"); 1478#ifdef CDF_DEBUG 1479 cdf_dump_stream(&h, &sst); 1480#endif 1481 1482#ifdef CDF_DEBUG 1483 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1484#endif 1485 1486 1487 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1488 &scn) == -1) 1489 warn("Cannot read summary info"); 1490#ifdef CDF_DEBUG 1491 else 1492 cdf_dump_summary_info(&h, &scn); 1493#endif 1494 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, 1495 &dir, "Catalog", &scn) == -1) 1496 warn("Cannot read catalog"); 1497#ifdef CDF_DEBUG 1498 else 1499 cdf_dump_catalog(&h, &scn); 1500#endif 1501 1502 (void)close(info.i_fd); 1503 } 1504 1505 return 0; 1506} 1507#endif 1508