cdf.c revision 302555
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 1.82 2016/06/01 22:25:25 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_zero_stream(cdf_stream_t *scn) 271{ 272 scn->sst_len = 0; 273 scn->sst_dirlen = 0; 274 scn->sst_ss = 0; 275 free(scn->sst_tab); 276 scn->sst_tab = NULL; 277 return -1; 278} 279 280static size_t 281cdf_check_stream(const cdf_stream_t *sst, const cdf_header_t *h) 282{ 283 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 284 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 285 assert(ss == sst->sst_ss); 286 return sst->sst_ss; 287} 288 289static int 290cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 291 const void *p, size_t tail, int line) 292{ 293 const char *b = (const char *)sst->sst_tab; 294 const char *e = ((const char *)p) + tail; 295 size_t ss = cdf_check_stream(sst, h); 296 /*LINTED*/(void)&line; 297 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len) 298 return 0; 299 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 300 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 301 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 302 ss * sst->sst_len, ss, sst->sst_len)); 303 errno = EFTYPE; 304 return -1; 305} 306 307static ssize_t 308cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 309{ 310 size_t siz = (size_t)off + len; 311 312 if ((off_t)(off + len) != (off_t)siz) 313 goto out; 314 315 if (info->i_buf != NULL && info->i_len >= siz) { 316 (void)memcpy(buf, &info->i_buf[off], len); 317 return (ssize_t)len; 318 } 319 320 if (info->i_fd == -1) 321 goto out; 322 323 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 324 return -1; 325 326 return (ssize_t)len; 327out: 328 errno = EINVAL; 329 return -1; 330} 331 332int 333cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 334{ 335 char buf[512]; 336 337 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 338 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 339 return -1; 340 cdf_unpack_header(h, buf); 341 cdf_swap_header(h); 342 if (h->h_magic != CDF_MAGIC) { 343 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 344 INT64_T_FORMAT "x\n", 345 (unsigned long long)h->h_magic, 346 (unsigned long long)CDF_MAGIC)); 347 goto out; 348 } 349 if (h->h_sec_size_p2 > 20) { 350 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 351 goto out; 352 } 353 if (h->h_short_sec_size_p2 > 20) { 354 DPRINTF(("Bad short sector size 0x%u\n", 355 h->h_short_sec_size_p2)); 356 goto out; 357 } 358 return 0; 359out: 360 errno = EFTYPE; 361 return -1; 362} 363 364 365ssize_t 366cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 367 const cdf_header_t *h, cdf_secid_t id) 368{ 369 size_t ss = CDF_SEC_SIZE(h); 370 size_t pos = CDF_SEC_POS(h, id); 371 assert(ss == len); 372 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 373} 374 375ssize_t 376cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 377 size_t len, const cdf_header_t *h, cdf_secid_t id) 378{ 379 size_t ss = CDF_SHORT_SEC_SIZE(h); 380 size_t pos = CDF_SHORT_SEC_POS(h, id); 381 assert(ss == len); 382 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 383 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 384 SIZE_T_FORMAT "u\n", 385 pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 386 goto out; 387 } 388 (void)memcpy(((char *)buf) + offs, 389 ((const char *)sst->sst_tab) + pos, len); 390 return len; 391out: 392 errno = EFTYPE; 393 return -1; 394} 395 396/* 397 * Read the sector allocation table. 398 */ 399int 400cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 401{ 402 size_t i, j, k; 403 size_t ss = CDF_SEC_SIZE(h); 404 cdf_secid_t *msa, mid, sec; 405 size_t nsatpersec = (ss / sizeof(mid)) - 1; 406 407 for (i = 0; i < __arraycount(h->h_master_sat); i++) 408 if (h->h_master_sat[i] == CDF_SECID_FREE) 409 break; 410 411#define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 412 if ((nsatpersec > 0 && 413 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 414 i > CDF_SEC_LIMIT) { 415 DPRINTF(("Number of sectors in master SAT too big %u %" 416 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 417 errno = EFTYPE; 418 return -1; 419 } 420 421 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 422 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 423 sat->sat_len, ss)); 424 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 425 == NULL) 426 return -1; 427 428 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 429 if (h->h_master_sat[i] < 0) 430 break; 431 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 432 h->h_master_sat[i]) != (ssize_t)ss) { 433 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 434 goto out1; 435 } 436 } 437 438 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 439 goto out1; 440 441 mid = h->h_secid_first_sector_in_master_sat; 442 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 443 if (mid < 0) 444 goto out; 445 if (j >= CDF_LOOP_LIMIT) { 446 DPRINTF(("Reading master sector loop limit")); 447 goto out3; 448 } 449 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 450 DPRINTF(("Reading master sector %d", mid)); 451 goto out2; 452 } 453 for (k = 0; k < nsatpersec; k++, i++) { 454 sec = CDF_TOLE4((uint32_t)msa[k]); 455 if (sec < 0) 456 goto out; 457 if (i >= sat->sat_len) { 458 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 459 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 460 goto out3; 461 } 462 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 463 sec) != (ssize_t)ss) { 464 DPRINTF(("Reading sector %d", 465 CDF_TOLE4(msa[k]))); 466 goto out2; 467 } 468 } 469 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 470 } 471out: 472 sat->sat_len = i; 473 free(msa); 474 return 0; 475out3: 476 errno = EFTYPE; 477out2: 478 free(msa); 479out1: 480 free(sat->sat_tab); 481 return -1; 482} 483 484size_t 485cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 486{ 487 size_t i, j; 488 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size) 489 / sizeof(maxsector)); 490 491 DPRINTF(("Chain:")); 492 if (sid == CDF_SECID_END_OF_CHAIN) { 493 /* 0-length chain. */ 494 DPRINTF((" empty\n")); 495 return 0; 496 } 497 498 for (j = i = 0; sid >= 0; i++, j++) { 499 DPRINTF((" %d", sid)); 500 if (j >= CDF_LOOP_LIMIT) { 501 DPRINTF(("Counting chain loop limit")); 502 goto out; 503 } 504 if (sid >= maxsector) { 505 DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 506 goto out; 507 } 508 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 509 } 510 if (i == 0) { 511 DPRINTF((" none, sid: %d\n", sid)); 512 goto out; 513 514 } 515 DPRINTF(("\n")); 516 return i; 517out: 518 errno = EFTYPE; 519 return (size_t)-1; 520} 521 522int 523cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 524 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 525{ 526 size_t ss = CDF_SEC_SIZE(h), i, j; 527 ssize_t nr; 528 scn->sst_tab = NULL; 529 scn->sst_len = cdf_count_chain(sat, sid, ss); 530 scn->sst_dirlen = len; 531 scn->sst_ss = ss; 532 533 if (scn->sst_len == (size_t)-1) 534 goto out; 535 536 scn->sst_tab = calloc(scn->sst_len, ss); 537 if (scn->sst_tab == NULL) 538 return cdf_zero_stream(scn); 539 540 for (j = i = 0; sid >= 0; i++, j++) { 541 if (j >= CDF_LOOP_LIMIT) { 542 DPRINTF(("Read long sector chain loop limit")); 543 goto out; 544 } 545 if (i >= scn->sst_len) { 546 DPRINTF(("Out of bounds reading long sector chain " 547 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 548 scn->sst_len)); 549 goto out; 550 } 551 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 552 sid)) != (ssize_t)ss) { 553 if (i == scn->sst_len - 1 && nr > 0) { 554 /* Last sector might be truncated */ 555 return 0; 556 } 557 DPRINTF(("Reading long sector chain %d", sid)); 558 goto out; 559 } 560 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 561 } 562 return 0; 563out: 564 errno = EFTYPE; 565 return cdf_zero_stream(scn); 566} 567 568int 569cdf_read_short_sector_chain(const cdf_header_t *h, 570 const cdf_sat_t *ssat, const cdf_stream_t *sst, 571 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 572{ 573 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 574 scn->sst_tab = NULL; 575 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 576 scn->sst_dirlen = len; 577 scn->sst_ss = ss; 578 579 if (scn->sst_len == (size_t)-1) 580 goto out; 581 582 scn->sst_tab = calloc(scn->sst_len, ss); 583 if (scn->sst_tab == NULL) 584 return cdf_zero_stream(scn); 585 586 for (j = i = 0; sid >= 0; i++, j++) { 587 if (j >= CDF_LOOP_LIMIT) { 588 DPRINTF(("Read short sector chain loop limit")); 589 goto out; 590 } 591 if (i >= scn->sst_len) { 592 DPRINTF(("Out of bounds reading short sector chain " 593 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 594 i, scn->sst_len)); 595 goto out; 596 } 597 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 598 sid) != (ssize_t)ss) { 599 DPRINTF(("Reading short sector chain %d", sid)); 600 goto out; 601 } 602 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 603 } 604 return 0; 605out: 606 errno = EFTYPE; 607 return cdf_zero_stream(scn); 608} 609 610int 611cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 612 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 613 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 614{ 615 616 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 617 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 618 scn); 619 else 620 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 621} 622 623int 624cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 625 const cdf_sat_t *sat, cdf_dir_t *dir) 626{ 627 size_t i, j; 628 size_t ss = CDF_SEC_SIZE(h), ns, nd; 629 char *buf; 630 cdf_secid_t sid = h->h_secid_first_directory; 631 632 ns = cdf_count_chain(sat, sid, ss); 633 if (ns == (size_t)-1) 634 return -1; 635 636 nd = ss / CDF_DIRECTORY_SIZE; 637 638 dir->dir_len = ns * nd; 639 dir->dir_tab = CAST(cdf_directory_t *, 640 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 641 if (dir->dir_tab == NULL) 642 return -1; 643 644 if ((buf = CAST(char *, malloc(ss))) == NULL) { 645 free(dir->dir_tab); 646 return -1; 647 } 648 649 for (j = i = 0; i < ns; i++, j++) { 650 if (j >= CDF_LOOP_LIMIT) { 651 DPRINTF(("Read dir loop limit")); 652 goto out; 653 } 654 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 655 DPRINTF(("Reading directory sector %d", sid)); 656 goto out; 657 } 658 for (j = 0; j < nd; j++) { 659 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 660 &buf[j * CDF_DIRECTORY_SIZE]); 661 } 662 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 663 } 664 if (NEED_SWAP) 665 for (i = 0; i < dir->dir_len; i++) 666 cdf_swap_dir(&dir->dir_tab[i]); 667 free(buf); 668 return 0; 669out: 670 free(dir->dir_tab); 671 free(buf); 672 errno = EFTYPE; 673 return -1; 674} 675 676 677int 678cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 679 const cdf_sat_t *sat, cdf_sat_t *ssat) 680{ 681 size_t i, j; 682 size_t ss = CDF_SEC_SIZE(h); 683 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 684 685 ssat->sat_tab = NULL; 686 ssat->sat_len = cdf_count_chain(sat, sid, ss); 687 if (ssat->sat_len == (size_t)-1) 688 goto out; 689 690 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 691 if (ssat->sat_tab == NULL) 692 goto out1; 693 694 for (j = i = 0; sid >= 0; i++, j++) { 695 if (j >= CDF_LOOP_LIMIT) { 696 DPRINTF(("Read short sat sector loop limit")); 697 goto out; 698 } 699 if (i >= ssat->sat_len) { 700 DPRINTF(("Out of bounds reading short sector chain " 701 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 702 ssat->sat_len)); 703 goto out; 704 } 705 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 706 (ssize_t)ss) { 707 DPRINTF(("Reading short sat sector %d", sid)); 708 goto out1; 709 } 710 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 711 } 712 return 0; 713out: 714 errno = EFTYPE; 715out1: 716 free(ssat->sat_tab); 717 return -1; 718} 719 720int 721cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 722 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 723 const cdf_directory_t **root) 724{ 725 size_t i; 726 const cdf_directory_t *d; 727 728 *root = NULL; 729 for (i = 0; i < dir->dir_len; i++) 730 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 731 break; 732 733 /* If the it is not there, just fake it; some docs don't have it */ 734 if (i == dir->dir_len) 735 goto out; 736 d = &dir->dir_tab[i]; 737 *root = d; 738 739 /* If the it is not there, just fake it; some docs don't have it */ 740 if (d->d_stream_first_sector < 0) 741 goto out; 742 743 return cdf_read_long_sector_chain(info, h, sat, 744 d->d_stream_first_sector, d->d_size, scn); 745out: 746 scn->sst_tab = NULL; 747 (void)cdf_zero_stream(scn); 748 errno = EFTYPE; 749 return -1; 750} 751 752static int 753cdf_namecmp(const char *d, const uint16_t *s, size_t l) 754{ 755 for (; l--; d++, s++) 756 if (*d != CDF_TOLE2(*s)) 757 return (unsigned char)*d - CDF_TOLE2(*s); 758 return 0; 759} 760 761int 762cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 763 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 764 const cdf_dir_t *dir, cdf_stream_t *scn) 765{ 766 return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 767 "\05SummaryInformation", scn); 768} 769 770int 771cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 772 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 773 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 774{ 775 const cdf_directory_t *d; 776 int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM); 777 778 if (i <= 0) { 779 memset(scn, 0, sizeof(*scn)); 780 return -1; 781 } 782 783 d = &dir->dir_tab[i - 1]; 784 return cdf_read_sector_chain(info, h, sat, ssat, sst, 785 d->d_stream_first_sector, d->d_size, scn); 786} 787 788int 789cdf_find_stream(const cdf_dir_t *dir, const char *name, int type) 790{ 791 size_t i, name_len = strlen(name) + 1; 792 793 for (i = dir->dir_len; i > 0; i--) 794 if (dir->dir_tab[i - 1].d_type == type && 795 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 796 == 0) 797 break; 798 if (i > 0) 799 return i; 800 801 DPRINTF(("Cannot find type %d `%s'\n", type, name)); 802 errno = ESRCH; 803 return 0; 804} 805 806int 807cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 808 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 809{ 810 const cdf_section_header_t *shp; 811 cdf_section_header_t sh; 812 const uint8_t *p, *q, *e; 813 int16_t s16; 814 int32_t s32; 815 uint32_t u32; 816 int64_t s64; 817 uint64_t u64; 818 cdf_timestamp_t tp; 819 size_t i, o, o4, nelements, j; 820 cdf_property_info_t *inp; 821 822 if (offs > UINT32_MAX / 4) { 823 errno = EFTYPE; 824 goto out; 825 } 826 shp = CAST(const cdf_section_header_t *, (const void *) 827 ((const char *)sst->sst_tab + offs)); 828 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 829 goto out; 830 sh.sh_len = CDF_TOLE4(shp->sh_len); 831#define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 832 if (sh.sh_len > CDF_SHLEN_LIMIT) { 833 errno = EFTYPE; 834 goto out; 835 } 836 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 837#define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 838 if (sh.sh_properties > CDF_PROP_LIMIT) 839 goto out; 840 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 841 sh.sh_properties)); 842 if (*maxcount) { 843 if (*maxcount > CDF_PROP_LIMIT) 844 goto out; 845 *maxcount += sh.sh_properties; 846 inp = CAST(cdf_property_info_t *, 847 realloc(*info, *maxcount * sizeof(*inp))); 848 } else { 849 *maxcount = sh.sh_properties; 850 inp = CAST(cdf_property_info_t *, 851 malloc(*maxcount * sizeof(*inp))); 852 } 853 if (inp == NULL) 854 goto out1; 855 *info = inp; 856 inp += *count; 857 *count += sh.sh_properties; 858 p = CAST(const uint8_t *, (const void *) 859 ((const char *)(const void *)sst->sst_tab + 860 offs + sizeof(sh))); 861 e = CAST(const uint8_t *, (const void *) 862 (((const char *)(const void *)shp) + sh.sh_len)); 863 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 864 goto out; 865 for (i = 0; i < sh.sh_properties; i++) { 866 size_t tail = (i << 1) + 1; 867 size_t ofs; 868 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), 869 __LINE__) == -1) 870 goto out; 871 ofs = CDF_GETUINT32(p, tail); 872 q = (const uint8_t *)(const void *) 873 ((const char *)(const void *)p + ofs 874 - 2 * sizeof(uint32_t)); 875 if (q < p) { 876 DPRINTF(("Wrapped around %p < %p\n", q, p)); 877 goto out; 878 } 879 if (q > e) { 880 DPRINTF(("Ran of the end %p > %p\n", q, e)); 881 goto out; 882 } 883 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 884 inp[i].pi_type = CDF_GETUINT32(q, 0); 885 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 886 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 887 if (inp[i].pi_type & CDF_VECTOR) { 888 nelements = CDF_GETUINT32(q, 1); 889 if (nelements == 0) { 890 DPRINTF(("CDF_VECTOR with nelements == 0\n")); 891 goto out; 892 } 893 o = 2; 894 } else { 895 nelements = 1; 896 o = 1; 897 } 898 o4 = o * sizeof(uint32_t); 899 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 900 goto unknown; 901 switch (inp[i].pi_type & CDF_TYPEMASK) { 902 case CDF_NULL: 903 case CDF_EMPTY: 904 break; 905 case CDF_SIGNED16: 906 if (inp[i].pi_type & CDF_VECTOR) 907 goto unknown; 908 (void)memcpy(&s16, &q[o4], sizeof(s16)); 909 inp[i].pi_s16 = CDF_TOLE2(s16); 910 break; 911 case CDF_SIGNED32: 912 if (inp[i].pi_type & CDF_VECTOR) 913 goto unknown; 914 (void)memcpy(&s32, &q[o4], sizeof(s32)); 915 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 916 break; 917 case CDF_BOOL: 918 case CDF_UNSIGNED32: 919 if (inp[i].pi_type & CDF_VECTOR) 920 goto unknown; 921 (void)memcpy(&u32, &q[o4], sizeof(u32)); 922 inp[i].pi_u32 = CDF_TOLE4(u32); 923 break; 924 case CDF_SIGNED64: 925 if (inp[i].pi_type & CDF_VECTOR) 926 goto unknown; 927 (void)memcpy(&s64, &q[o4], sizeof(s64)); 928 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 929 break; 930 case CDF_UNSIGNED64: 931 if (inp[i].pi_type & CDF_VECTOR) 932 goto unknown; 933 (void)memcpy(&u64, &q[o4], sizeof(u64)); 934 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 935 break; 936 case CDF_FLOAT: 937 if (inp[i].pi_type & CDF_VECTOR) 938 goto unknown; 939 (void)memcpy(&u32, &q[o4], sizeof(u32)); 940 u32 = CDF_TOLE4(u32); 941 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 942 break; 943 case CDF_DOUBLE: 944 if (inp[i].pi_type & CDF_VECTOR) 945 goto unknown; 946 (void)memcpy(&u64, &q[o4], sizeof(u64)); 947 u64 = CDF_TOLE8((uint64_t)u64); 948 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 949 break; 950 case CDF_LENGTH32_STRING: 951 case CDF_LENGTH32_WSTRING: 952 if (nelements > 1) { 953 size_t nelem = inp - *info; 954 if (*maxcount > CDF_PROP_LIMIT 955 || nelements > CDF_PROP_LIMIT) 956 goto out; 957 *maxcount += nelements; 958 inp = CAST(cdf_property_info_t *, 959 realloc(*info, *maxcount * sizeof(*inp))); 960 if (inp == NULL) 961 goto out1; 962 *info = inp; 963 inp = *info + nelem; 964 } 965 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 966 nelements)); 967 for (j = 0; j < nelements && i < sh.sh_properties; 968 j++, i++) 969 { 970 uint32_t l = CDF_GETUINT32(q, o); 971 inp[i].pi_str.s_len = l; 972 inp[i].pi_str.s_buf = (const char *) 973 (const void *)(&q[o4 + sizeof(l)]); 974 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 975 "u, s = %s\n", l, 976 CDF_ROUND(l, sizeof(l)), 977 inp[i].pi_str.s_buf)); 978 if (l & 1) 979 l++; 980 o += l >> 1; 981 if (q + o >= e) 982 goto out; 983 o4 = o * sizeof(uint32_t); 984 } 985 i--; 986 break; 987 case CDF_FILETIME: 988 if (inp[i].pi_type & CDF_VECTOR) 989 goto unknown; 990 (void)memcpy(&tp, &q[o4], sizeof(tp)); 991 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 992 break; 993 case CDF_CLIPBOARD: 994 if (inp[i].pi_type & CDF_VECTOR) 995 goto unknown; 996 break; 997 default: 998 unknown: 999 DPRINTF(("Don't know how to deal with %x\n", 1000 inp[i].pi_type)); 1001 break; 1002 } 1003 } 1004 return 0; 1005out: 1006 errno = EFTYPE; 1007out1: 1008 free(*info); 1009 return -1; 1010} 1011 1012int 1013cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 1014 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 1015{ 1016 size_t maxcount; 1017 const cdf_summary_info_header_t *si = 1018 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 1019 const cdf_section_declaration_t *sd = 1020 CAST(const cdf_section_declaration_t *, (const void *) 1021 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 1022 1023 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 1024 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 1025 return -1; 1026 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 1027 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 1028 ssi->si_os = CDF_TOLE2(si->si_os); 1029 ssi->si_class = si->si_class; 1030 cdf_swap_class(&ssi->si_class); 1031 ssi->si_count = CDF_TOLE4(si->si_count); 1032 *count = 0; 1033 maxcount = 0; 1034 *info = NULL; 1035 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 1036 count, &maxcount) == -1) 1037 return -1; 1038 return 0; 1039} 1040 1041 1042#define extract_catalog_field(t, f, l) \ 1043 if (b + l + sizeof(cep->f) > eb) { \ 1044 cep->ce_namlen = 0; \ 1045 break; \ 1046 } \ 1047 memcpy(&cep->f, b + (l), sizeof(cep->f)); \ 1048 ce[i].f = CAST(t, CDF_TOLE(cep->f)) 1049 1050int 1051cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, 1052 cdf_catalog_t **cat) 1053{ 1054 size_t ss = cdf_check_stream(sst, h); 1055 const char *b = CAST(const char *, sst->sst_tab); 1056 const char *eb = b + ss * sst->sst_len; 1057 size_t nr, i, j, k; 1058 cdf_catalog_entry_t *ce; 1059 uint16_t reclen; 1060 const uint16_t *np; 1061 1062 for (nr = 0;; nr++) { 1063 memcpy(&reclen, b, sizeof(reclen)); 1064 reclen = CDF_TOLE2(reclen); 1065 if (reclen == 0) 1066 break; 1067 b += reclen; 1068 if (b > eb) 1069 break; 1070 } 1071 if (nr == 0) 1072 return -1; 1073 nr--; 1074 *cat = CAST(cdf_catalog_t *, 1075 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); 1076 if (*cat == NULL) 1077 return -1; 1078 ce = (*cat)->cat_e; 1079 memset(ce, 0, nr * sizeof(*ce)); 1080 b = CAST(const char *, sst->sst_tab); 1081 for (j = i = 0; i < nr; b += reclen) { 1082 cdf_catalog_entry_t *cep = &ce[j]; 1083 uint16_t rlen; 1084 1085 extract_catalog_field(uint16_t, ce_namlen, 0); 1086 extract_catalog_field(uint16_t, ce_num, 4); 1087 extract_catalog_field(uint64_t, ce_timestamp, 8); 1088 reclen = cep->ce_namlen; 1089 1090 if (reclen < 14) { 1091 cep->ce_namlen = 0; 1092 continue; 1093 } 1094 1095 cep->ce_namlen = __arraycount(cep->ce_name) - 1; 1096 rlen = reclen - 14; 1097 if (cep->ce_namlen > rlen) 1098 cep->ce_namlen = rlen; 1099 1100 np = CAST(const uint16_t *, CAST(const void *, (b + 16))); 1101 if (CAST(const char *, np + cep->ce_namlen) > eb) { 1102 cep->ce_namlen = 0; 1103 break; 1104 } 1105 1106 for (k = 0; k < cep->ce_namlen; k++) 1107 cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */ 1108 cep->ce_name[cep->ce_namlen] = 0; 1109 j = i; 1110 i++; 1111 } 1112 (*cat)->cat_num = j; 1113 return 0; 1114} 1115 1116int 1117cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 1118{ 1119 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 1120 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 1121 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 1122 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 1123 id->cl_six[5]); 1124} 1125 1126static const struct { 1127 uint32_t v; 1128 const char *n; 1129} vn[] = { 1130 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1131 { CDF_PROPERTY_TITLE, "Title" }, 1132 { CDF_PROPERTY_SUBJECT, "Subject" }, 1133 { CDF_PROPERTY_AUTHOR, "Author" }, 1134 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1135 { CDF_PROPERTY_COMMENTS, "Comments" }, 1136 { CDF_PROPERTY_TEMPLATE, "Template" }, 1137 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1138 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1139 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1140 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1141 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1142 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1143 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1144 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1145 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1146 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1147 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1148 { CDF_PROPERTY_SECURITY, "Security" }, 1149 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1150}; 1151 1152int 1153cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1154{ 1155 size_t i; 1156 1157 for (i = 0; i < __arraycount(vn); i++) 1158 if (vn[i].v == p) 1159 return snprintf(buf, bufsiz, "%s", vn[i].n); 1160 return snprintf(buf, bufsiz, "0x%x", p); 1161} 1162 1163int 1164cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1165{ 1166 int len = 0; 1167 int days, hours, mins, secs; 1168 1169 ts /= CDF_TIME_PREC; 1170 secs = (int)(ts % 60); 1171 ts /= 60; 1172 mins = (int)(ts % 60); 1173 ts /= 60; 1174 hours = (int)(ts % 24); 1175 ts /= 24; 1176 days = (int)ts; 1177 1178 if (days) { 1179 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1180 if ((size_t)len >= bufsiz) 1181 return len; 1182 } 1183 1184 if (days || hours) { 1185 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1186 if ((size_t)len >= bufsiz) 1187 return len; 1188 } 1189 1190 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1191 if ((size_t)len >= bufsiz) 1192 return len; 1193 1194 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1195 return len; 1196} 1197 1198char * 1199cdf_u16tos8(char *buf, size_t len, const uint16_t *p) 1200{ 1201 size_t i; 1202 for (i = 0; i < len && p[i]; i++) 1203 buf[i] = (char)p[i]; 1204 buf[i] = '\0'; 1205 return buf; 1206} 1207 1208#ifdef CDF_DEBUG 1209void 1210cdf_dump_header(const cdf_header_t *h) 1211{ 1212 size_t i; 1213 1214#define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1215#define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1216 h->h_ ## b, 1 << h->h_ ## b) 1217 DUMP("%d", revision); 1218 DUMP("%d", version); 1219 DUMP("0x%x", byte_order); 1220 DUMP2("%d", sec_size_p2); 1221 DUMP2("%d", short_sec_size_p2); 1222 DUMP("%d", num_sectors_in_sat); 1223 DUMP("%d", secid_first_directory); 1224 DUMP("%d", min_size_standard_stream); 1225 DUMP("%d", secid_first_sector_in_short_sat); 1226 DUMP("%d", num_sectors_in_short_sat); 1227 DUMP("%d", secid_first_sector_in_master_sat); 1228 DUMP("%d", num_sectors_in_master_sat); 1229 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1230 if (h->h_master_sat[i] == CDF_SECID_FREE) 1231 break; 1232 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", 1233 "master_sat", i, h->h_master_sat[i]); 1234 } 1235} 1236 1237void 1238cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1239{ 1240 size_t i, j, s = size / sizeof(cdf_secid_t); 1241 1242 for (i = 0; i < sat->sat_len; i++) { 1243 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1244 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1245 for (j = 0; j < s; j++) { 1246 (void)fprintf(stderr, "%5d, ", 1247 CDF_TOLE4(sat->sat_tab[s * i + j])); 1248 if ((j + 1) % 10 == 0) 1249 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1250 "u: ", i * s + j + 1); 1251 } 1252 (void)fprintf(stderr, "\n"); 1253 } 1254} 1255 1256void 1257cdf_dump(const void *v, size_t len) 1258{ 1259 size_t i, j; 1260 const unsigned char *p = v; 1261 char abuf[16]; 1262 1263 (void)fprintf(stderr, "%.4x: ", 0); 1264 for (i = 0, j = 0; i < len; i++, p++) { 1265 (void)fprintf(stderr, "%.2x ", *p); 1266 abuf[j++] = isprint(*p) ? *p : '.'; 1267 if (j == 16) { 1268 j = 0; 1269 abuf[15] = '\0'; 1270 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1271 abuf, i + 1); 1272 } 1273 } 1274 (void)fprintf(stderr, "\n"); 1275} 1276 1277void 1278cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1279{ 1280 size_t ss = sst->sst_ss; 1281 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1282} 1283 1284void 1285cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1286 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1287 const cdf_dir_t *dir) 1288{ 1289 size_t i, j; 1290 cdf_directory_t *d; 1291 char name[__arraycount(d->d_name)]; 1292 cdf_stream_t scn; 1293 struct timespec ts; 1294 1295 static const char *types[] = { "empty", "user storage", 1296 "user stream", "lockbytes", "property", "root storage" }; 1297 1298 for (i = 0; i < dir->dir_len; i++) { 1299 char buf[26]; 1300 d = &dir->dir_tab[i]; 1301 for (j = 0; j < sizeof(name); j++) 1302 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1303 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1304 i, name); 1305 if (d->d_type < __arraycount(types)) 1306 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1307 else 1308 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1309 (void)fprintf(stderr, "Color: %s\n", 1310 d->d_color ? "black" : "red"); 1311 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1312 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1313 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1314 cdf_timestamp_to_timespec(&ts, d->d_created); 1315 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1316 cdf_timestamp_to_timespec(&ts, d->d_modified); 1317 (void)fprintf(stderr, "Modified %s", 1318 cdf_ctime(&ts.tv_sec, buf)); 1319 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1320 (void)fprintf(stderr, "Size %d\n", d->d_size); 1321 switch (d->d_type) { 1322 case CDF_DIR_TYPE_USER_STORAGE: 1323 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1324 break; 1325 case CDF_DIR_TYPE_USER_STREAM: 1326 if (sst == NULL) 1327 break; 1328 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1329 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1330 warn("Can't read stream for %s at %d len %d", 1331 name, d->d_stream_first_sector, d->d_size); 1332 break; 1333 } 1334 cdf_dump_stream(h, &scn); 1335 free(scn.sst_tab); 1336 break; 1337 default: 1338 break; 1339 } 1340 1341 } 1342} 1343 1344void 1345cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1346{ 1347 cdf_timestamp_t tp; 1348 struct timespec ts; 1349 char buf[64]; 1350 size_t i, j; 1351 1352 for (i = 0; i < count; i++) { 1353 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1354 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1355 switch (info[i].pi_type) { 1356 case CDF_NULL: 1357 break; 1358 case CDF_SIGNED16: 1359 (void)fprintf(stderr, "signed 16 [%hd]\n", 1360 info[i].pi_s16); 1361 break; 1362 case CDF_SIGNED32: 1363 (void)fprintf(stderr, "signed 32 [%d]\n", 1364 info[i].pi_s32); 1365 break; 1366 case CDF_UNSIGNED32: 1367 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1368 info[i].pi_u32); 1369 break; 1370 case CDF_FLOAT: 1371 (void)fprintf(stderr, "float [%g]\n", 1372 info[i].pi_f); 1373 break; 1374 case CDF_DOUBLE: 1375 (void)fprintf(stderr, "double [%g]\n", 1376 info[i].pi_d); 1377 break; 1378 case CDF_LENGTH32_STRING: 1379 (void)fprintf(stderr, "string %u [%.*s]\n", 1380 info[i].pi_str.s_len, 1381 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1382 break; 1383 case CDF_LENGTH32_WSTRING: 1384 (void)fprintf(stderr, "string %u [", 1385 info[i].pi_str.s_len); 1386 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1387 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1388 (void)fprintf(stderr, "]\n"); 1389 break; 1390 case CDF_FILETIME: 1391 tp = info[i].pi_tp; 1392 if (tp < 1000000000000000LL) { 1393 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1394 (void)fprintf(stderr, "timestamp %s\n", buf); 1395 } else { 1396 char tbuf[26]; 1397 cdf_timestamp_to_timespec(&ts, tp); 1398 (void)fprintf(stderr, "timestamp %s", 1399 cdf_ctime(&ts.tv_sec, tbuf)); 1400 } 1401 break; 1402 case CDF_CLIPBOARD: 1403 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1404 break; 1405 default: 1406 DPRINTF(("Don't know how to deal with %x\n", 1407 info[i].pi_type)); 1408 break; 1409 } 1410 } 1411} 1412 1413 1414void 1415cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1416{ 1417 char buf[128]; 1418 cdf_summary_info_header_t ssi; 1419 cdf_property_info_t *info; 1420 size_t count; 1421 1422 (void)&h; 1423 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1424 return; 1425 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1426 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1427 ssi.si_os_version >> 8); 1428 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1429 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1430 (void)fprintf(stderr, "Class %s\n", buf); 1431 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1432 cdf_dump_property_info(info, count); 1433 free(info); 1434} 1435 1436 1437void 1438cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) 1439{ 1440 cdf_catalog_t *cat; 1441 cdf_unpack_catalog(h, sst, &cat); 1442 const cdf_catalog_entry_t *ce = cat->cat_e; 1443 struct timespec ts; 1444 char tbuf[64], sbuf[256]; 1445 size_t i; 1446 1447 printf("Catalog:\n"); 1448 for (i = 0; i < cat->cat_num; i++) { 1449 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); 1450 printf("\t%d %s %s", ce[i].ce_num, 1451 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), 1452 cdf_ctime(&ts.tv_sec, tbuf)); 1453 } 1454 free(cat); 1455} 1456 1457#endif 1458 1459#ifdef TEST 1460int 1461main(int argc, char *argv[]) 1462{ 1463 int i; 1464 cdf_header_t h; 1465 cdf_sat_t sat, ssat; 1466 cdf_stream_t sst, scn; 1467 cdf_dir_t dir; 1468 cdf_info_t info; 1469 const cdf_directory_t *root; 1470#ifdef __linux__ 1471#define getprogname() __progname 1472 extern char *__progname; 1473#endif 1474 if (argc < 2) { 1475 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1476 return -1; 1477 } 1478 1479 info.i_buf = NULL; 1480 info.i_len = 0; 1481 for (i = 1; i < argc; i++) { 1482 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1483 err(1, "Cannot open `%s'", argv[1]); 1484 1485 if (cdf_read_header(&info, &h) == -1) 1486 err(1, "Cannot read header"); 1487#ifdef CDF_DEBUG 1488 cdf_dump_header(&h); 1489#endif 1490 1491 if (cdf_read_sat(&info, &h, &sat) == -1) 1492 err(1, "Cannot read sat"); 1493#ifdef CDF_DEBUG 1494 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1495#endif 1496 1497 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1498 err(1, "Cannot read ssat"); 1499#ifdef CDF_DEBUG 1500 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1501#endif 1502 1503 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1504 err(1, "Cannot read dir"); 1505 1506 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) 1507 == -1) 1508 err(1, "Cannot read short stream"); 1509#ifdef CDF_DEBUG 1510 cdf_dump_stream(&h, &sst); 1511#endif 1512 1513#ifdef CDF_DEBUG 1514 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1515#endif 1516 1517 1518 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1519 &scn) == -1) 1520 warn("Cannot read summary info"); 1521#ifdef CDF_DEBUG 1522 else 1523 cdf_dump_summary_info(&h, &scn); 1524#endif 1525 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, 1526 &dir, "Catalog", &scn) == -1) 1527 warn("Cannot read catalog"); 1528#ifdef CDF_DEBUG 1529 else 1530 cdf_dump_catalog(&h, &scn); 1531#endif 1532 1533 (void)close(info.i_fd); 1534 } 1535 1536 return 0; 1537} 1538#endif 1539