1 /* $NetBSD: cdf.c,v 1.8 2013/03/23 16:15:58 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 Christos Zoulas 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /* 29 * Parse Composite Document Files, the format used in Microsoft Office 30 * document files before they switched to zipped XML. 31 * Info from: http://sc.openoffice.org/compdocfileformat.pdf 32 * 33 * N.B. This is the "Composite Document File" format, and not the 34 * "Compound Document Format", nor the "Channel Definition Format". 35 */ 36 37 #include "file.h" 38 39 #ifndef lint 40 #if 0 41 FILE_RCSID("@(#)$File: cdf.c,v 1.53 2013/02/26 16:20:42 christos Exp $") 42 #else 43 __RCSID("$NetBSD: cdf.c,v 1.8 2013/03/23 16:15:58 christos Exp $"); 44 #endif 45 #endif 46 47 #include <assert.h> 48 #ifdef CDF_DEBUG 49 #include <err.h> 50 #endif 51 #include <stdlib.h> 52 #include <unistd.h> 53 #include <string.h> 54 #include <time.h> 55 #include <ctype.h> 56 #ifdef HAVE_LIMITS_H 57 #include <limits.h> 58 #endif 59 60 #ifndef EFTYPE 61 #define EFTYPE EINVAL 62 #endif 63 64 #include "cdf.h" 65 66 #ifdef CDF_DEBUG 67 #define DPRINTF(a) printf a, fflush(stdout) 68 #else 69 #define DPRINTF(a) 70 #endif 71 72 static union { 73 char s[4]; 74 uint32_t u; 75 } cdf_bo; 76 77 #define NEED_SWAP (cdf_bo.u == (uint32_t)0x01020304) 78 79 #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? _cdf_tole8(x) : (uint64_t)(x))) 80 #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? _cdf_tole4(x) : (uint32_t)(x))) 81 #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (uint16_t)(x))) 82 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 83 84 85 /* 86 * swap a short 87 */ 88 static uint16_t 89 _cdf_tole2(uint16_t sv) 90 { 91 uint16_t rv; 92 uint8_t *s = (uint8_t *)(void *)&sv; 93 uint8_t *d = (uint8_t *)(void *)&rv; 94 d[0] = s[1]; 95 d[1] = s[0]; 96 return rv; 97 } 98 99 /* 100 * swap an int 101 */ 102 static uint32_t 103 _cdf_tole4(uint32_t sv) 104 { 105 uint32_t rv; 106 uint8_t *s = (uint8_t *)(void *)&sv; 107 uint8_t *d = (uint8_t *)(void *)&rv; 108 d[0] = s[3]; 109 d[1] = s[2]; 110 d[2] = s[1]; 111 d[3] = s[0]; 112 return rv; 113 } 114 115 /* 116 * swap a quad 117 */ 118 static uint64_t 119 _cdf_tole8(uint64_t sv) 120 { 121 uint64_t rv; 122 uint8_t *s = (uint8_t *)(void *)&sv; 123 uint8_t *d = (uint8_t *)(void *)&rv; 124 d[0] = s[7]; 125 d[1] = s[6]; 126 d[2] = s[5]; 127 d[3] = s[4]; 128 d[4] = s[3]; 129 d[5] = s[2]; 130 d[6] = s[1]; 131 d[7] = s[0]; 132 return rv; 133 } 134 135 /* 136 * grab a uint32_t from a possibly unaligned address, and return it in 137 * the native host order. 138 */ 139 static uint32_t 140 cdf_getuint32(const uint8_t *p, size_t offs) 141 { 142 uint32_t rv; 143 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 144 return CDF_TOLE4(rv); 145 } 146 147 #define CDF_UNPACK(a) \ 148 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 149 #define CDF_UNPACKA(a) \ 150 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 151 152 uint16_t 153 cdf_tole2(uint16_t sv) 154 { 155 return CDF_TOLE2(sv); 156 } 157 158 uint32_t 159 cdf_tole4(uint32_t sv) 160 { 161 return CDF_TOLE4(sv); 162 } 163 164 uint64_t 165 cdf_tole8(uint64_t sv) 166 { 167 return CDF_TOLE8(sv); 168 } 169 170 void 171 cdf_swap_header(cdf_header_t *h) 172 { 173 size_t i; 174 175 h->h_magic = CDF_TOLE8(h->h_magic); 176 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 177 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 178 h->h_revision = CDF_TOLE2(h->h_revision); 179 h->h_version = CDF_TOLE2(h->h_version); 180 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 181 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 182 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 183 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 184 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 185 h->h_min_size_standard_stream = 186 CDF_TOLE4(h->h_min_size_standard_stream); 187 h->h_secid_first_sector_in_short_sat = 188 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 189 h->h_num_sectors_in_short_sat = 190 CDF_TOLE4(h->h_num_sectors_in_short_sat); 191 h->h_secid_first_sector_in_master_sat = 192 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 193 h->h_num_sectors_in_master_sat = 194 CDF_TOLE4(h->h_num_sectors_in_master_sat); 195 for (i = 0; i < __arraycount(h->h_master_sat); i++) 196 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 197 } 198 199 void 200 cdf_unpack_header(cdf_header_t *h, char *buf) 201 { 202 size_t i; 203 size_t len = 0; 204 205 CDF_UNPACK(h->h_magic); 206 CDF_UNPACKA(h->h_uuid); 207 CDF_UNPACK(h->h_revision); 208 CDF_UNPACK(h->h_version); 209 CDF_UNPACK(h->h_byte_order); 210 CDF_UNPACK(h->h_sec_size_p2); 211 CDF_UNPACK(h->h_short_sec_size_p2); 212 CDF_UNPACKA(h->h_unused0); 213 CDF_UNPACK(h->h_num_sectors_in_sat); 214 CDF_UNPACK(h->h_secid_first_directory); 215 CDF_UNPACKA(h->h_unused1); 216 CDF_UNPACK(h->h_min_size_standard_stream); 217 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 218 CDF_UNPACK(h->h_num_sectors_in_short_sat); 219 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 220 CDF_UNPACK(h->h_num_sectors_in_master_sat); 221 for (i = 0; i < __arraycount(h->h_master_sat); i++) 222 CDF_UNPACK(h->h_master_sat[i]); 223 } 224 225 void 226 cdf_swap_dir(cdf_directory_t *d) 227 { 228 d->d_namelen = CDF_TOLE2(d->d_namelen); 229 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 230 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 231 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 232 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 233 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 234 d->d_flags = CDF_TOLE4(d->d_flags); 235 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 236 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 237 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 238 d->d_size = CDF_TOLE4(d->d_size); 239 } 240 241 void 242 cdf_swap_class(cdf_classid_t *d) 243 { 244 d->cl_dword = CDF_TOLE4(d->cl_dword); 245 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 246 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 247 } 248 249 void 250 cdf_unpack_dir(cdf_directory_t *d, char *buf) 251 { 252 size_t len = 0; 253 254 CDF_UNPACKA(d->d_name); 255 CDF_UNPACK(d->d_namelen); 256 CDF_UNPACK(d->d_type); 257 CDF_UNPACK(d->d_color); 258 CDF_UNPACK(d->d_left_child); 259 CDF_UNPACK(d->d_right_child); 260 CDF_UNPACK(d->d_storage); 261 CDF_UNPACKA(d->d_storage_uuid); 262 CDF_UNPACK(d->d_flags); 263 CDF_UNPACK(d->d_created); 264 CDF_UNPACK(d->d_modified); 265 CDF_UNPACK(d->d_stream_first_sector); 266 CDF_UNPACK(d->d_size); 267 CDF_UNPACK(d->d_unused0); 268 } 269 270 static int 271 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 272 const void *p, size_t tail, int line) 273 { 274 const char *b = (const char *)sst->sst_tab; 275 const char *e = ((const char *)p) + tail; 276 (void)&line; 277 if (e >= b && (size_t)(e - b) <= CDF_SEC_SIZE(h) * sst->sst_len) 278 return 0; 279 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 280 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 281 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 282 CDF_SEC_SIZE(h) * sst->sst_len, CDF_SEC_SIZE(h), sst->sst_len)); 283 errno = EFTYPE; 284 return -1; 285 } 286 287 static ssize_t 288 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 289 { 290 size_t siz = (size_t)off + len; 291 292 if ((off_t)(off + len) != (off_t)siz) { 293 errno = EINVAL; 294 return -1; 295 } 296 297 if (info->i_buf != NULL && info->i_len >= siz) { 298 (void)memcpy(buf, &info->i_buf[off], len); 299 return (ssize_t)len; 300 } 301 302 if (info->i_fd == -1) 303 return -1; 304 305 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 306 return -1; 307 308 return (ssize_t)len; 309 } 310 311 int 312 cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 313 { 314 char buf[512]; 315 316 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 317 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 318 return -1; 319 cdf_unpack_header(h, buf); 320 cdf_swap_header(h); 321 if (h->h_magic != CDF_MAGIC) { 322 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 323 INT64_T_FORMAT "x\n", 324 (unsigned long long)h->h_magic, 325 (unsigned long long)CDF_MAGIC)); 326 goto out; 327 } 328 if (h->h_sec_size_p2 > 20) { 329 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 330 goto out; 331 } 332 if (h->h_short_sec_size_p2 > 20) { 333 DPRINTF(("Bad short sector size 0x%u\n", 334 h->h_short_sec_size_p2)); 335 goto out; 336 } 337 return 0; 338 out: 339 errno = EFTYPE; 340 return -1; 341 } 342 343 344 ssize_t 345 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 346 const cdf_header_t *h, cdf_secid_t id) 347 { 348 #if defined(__minix) && !defined(NDEBUG) 349 size_t ss = CDF_SEC_SIZE(h); 350 #endif /* defined(__minix) && !defined(NDEBUG) */ 351 size_t pos = CDF_SEC_POS(h, id); 352 #if defined(__minix) && !defined(NDEBUG) 353 /* MINIX: It seems even with NDEBUG, when built as a tool assert is 354 * still defined on linux. */ 355 assert(ss == len); 356 #endif /* defined(__minix) && !defined(NDEBUG) */ 357 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 358 } 359 360 ssize_t 361 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 362 size_t len, const cdf_header_t *h, cdf_secid_t id) 363 { 364 #if defined(__minix) && !defined(NDEBUG) 365 size_t ss = CDF_SHORT_SEC_SIZE(h); 366 #endif /* defined(__minix) && !defined(NDEBUG) */ 367 size_t pos = CDF_SHORT_SEC_POS(h, id); 368 #if defined(__minix) && !defined(NDEBUG) 369 assert(ss == len); 370 #endif /* defined(__minix) && !defined(NDEBUG) */ 371 if (pos > CDF_SEC_SIZE(h) * sst->sst_len) { 372 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 373 SIZE_T_FORMAT "u\n", 374 pos, CDF_SEC_SIZE(h) * sst->sst_len)); 375 return -1; 376 } 377 (void)memcpy(((char *)buf) + offs, 378 ((const char *)sst->sst_tab) + pos, len); 379 return len; 380 } 381 382 /* 383 * Read the sector allocation table. 384 */ 385 int 386 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 387 { 388 size_t i, j, k; 389 size_t ss = CDF_SEC_SIZE(h); 390 cdf_secid_t *msa, mid, sec; 391 size_t nsatpersec = (ss / sizeof(mid)) - 1; 392 393 for (i = 0; i < __arraycount(h->h_master_sat); i++) 394 if (h->h_master_sat[i] == CDF_SECID_FREE) 395 break; 396 397 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 398 if ((nsatpersec > 0 && 399 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 400 i > CDF_SEC_LIMIT) { 401 DPRINTF(("Number of sectors in master SAT too big %u %" 402 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 403 errno = EFTYPE; 404 return -1; 405 } 406 407 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 408 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 409 sat->sat_len, ss)); 410 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 411 == NULL) 412 return -1; 413 414 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 415 if (h->h_master_sat[i] < 0) 416 break; 417 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 418 h->h_master_sat[i]) != (ssize_t)ss) { 419 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 420 goto out1; 421 } 422 } 423 424 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 425 goto out1; 426 427 mid = h->h_secid_first_sector_in_master_sat; 428 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 429 if (mid < 0) 430 goto out; 431 if (j >= CDF_LOOP_LIMIT) { 432 DPRINTF(("Reading master sector loop limit")); 433 errno = EFTYPE; 434 goto out2; 435 } 436 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 437 DPRINTF(("Reading master sector %d", mid)); 438 goto out2; 439 } 440 for (k = 0; k < nsatpersec; k++, i++) { 441 sec = CDF_TOLE4((uint32_t)msa[k]); 442 if (sec < 0) 443 goto out; 444 if (i >= sat->sat_len) { 445 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 446 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 447 errno = EFTYPE; 448 goto out2; 449 } 450 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 451 sec) != (ssize_t)ss) { 452 DPRINTF(("Reading sector %d", 453 CDF_TOLE4(msa[k]))); 454 goto out2; 455 } 456 } 457 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 458 } 459 out: 460 sat->sat_len = i; 461 free(msa); 462 return 0; 463 out2: 464 free(msa); 465 out1: 466 free(sat->sat_tab); 467 return -1; 468 } 469 470 size_t 471 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 472 { 473 size_t i, j; 474 cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size); 475 476 DPRINTF(("Chain:")); 477 for (j = i = 0; sid >= 0; i++, j++) { 478 DPRINTF((" %d", sid)); 479 if (j >= CDF_LOOP_LIMIT) { 480 DPRINTF(("Counting chain loop limit")); 481 errno = EFTYPE; 482 return (size_t)-1; 483 } 484 if (sid > maxsector) { 485 DPRINTF(("Sector %d > %d\n", sid, maxsector)); 486 errno = EFTYPE; 487 return (size_t)-1; 488 } 489 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 490 } 491 DPRINTF(("\n")); 492 return i; 493 } 494 495 int 496 cdf_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; 536 out: 537 free(scn->sst_tab); 538 return -1; 539 } 540 541 int 542 cdf_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; 578 out: 579 free(scn->sst_tab); 580 return -1; 581 } 582 583 int 584 cdf_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 } 595 596 int 597 cdf_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; 643 out: 644 free(dir->dir_tab); 645 free(buf); 646 return -1; 647 } 648 649 650 int 651 cdf_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; 687 out: 688 free(ssat->sat_tab); 689 return -1; 690 } 691 692 int 693 cdf_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 { 696 size_t i; 697 const cdf_directory_t *d; 698 699 for (i = 0; i < dir->dir_len; i++) 700 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 701 break; 702 703 /* If the it is not there, just fake it; some docs don't have it */ 704 if (i == dir->dir_len) 705 goto out; 706 d = &dir->dir_tab[i]; 707 708 /* If the it is not there, just fake it; some docs don't have it */ 709 if (d->d_stream_first_sector < 0) 710 goto out; 711 712 return cdf_read_long_sector_chain(info, h, sat, 713 d->d_stream_first_sector, d->d_size, scn); 714 out: 715 scn->sst_tab = NULL; 716 scn->sst_len = 0; 717 scn->sst_dirlen = 0; 718 return 0; 719 } 720 721 static int 722 cdf_namecmp(const char *d, const uint16_t *s, size_t l) 723 { 724 for (; l--; d++, s++) 725 if (*d != CDF_TOLE2(*s)) 726 return (unsigned char)*d - CDF_TOLE2(*s); 727 return 0; 728 } 729 730 int 731 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 732 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 733 const cdf_dir_t *dir, cdf_stream_t *scn) 734 { 735 size_t i; 736 const cdf_directory_t *d; 737 static const char name[] = "\05SummaryInformation"; 738 739 for (i = dir->dir_len; i > 0; i--) 740 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM && 741 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name)) 742 == 0) 743 break; 744 745 if (i == 0) { 746 DPRINTF(("Cannot find summary information section\n")); 747 errno = ESRCH; 748 return -1; 749 } 750 d = &dir->dir_tab[i - 1]; 751 return cdf_read_sector_chain(info, h, sat, ssat, sst, 752 d->d_stream_first_sector, d->d_size, scn); 753 } 754 755 int 756 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 757 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 758 { 759 const cdf_section_header_t *shp; 760 cdf_section_header_t sh; 761 const uint8_t *p, *q, *e; 762 int16_t s16; 763 int32_t s32; 764 uint32_t u32; 765 int64_t s64; 766 uint64_t u64; 767 cdf_timestamp_t tp; 768 size_t i, o, o4, nelements, j; 769 cdf_property_info_t *inp; 770 771 if (offs > UINT32_MAX / 4) { 772 errno = EFTYPE; 773 goto out; 774 } 775 shp = CAST(const cdf_section_header_t *, (const void *) 776 ((const char *)sst->sst_tab + offs)); 777 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 778 goto out; 779 sh.sh_len = CDF_TOLE4(shp->sh_len); 780 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 781 if (sh.sh_len > CDF_SHLEN_LIMIT) { 782 errno = EFTYPE; 783 goto out; 784 } 785 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 786 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 787 if (sh.sh_properties > CDF_PROP_LIMIT) 788 goto out; 789 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 790 sh.sh_properties)); 791 if (*maxcount) { 792 if (*maxcount > CDF_PROP_LIMIT) 793 goto out; 794 *maxcount += sh.sh_properties; 795 inp = CAST(cdf_property_info_t *, 796 realloc(*info, *maxcount * sizeof(*inp))); 797 } else { 798 *maxcount = sh.sh_properties; 799 inp = CAST(cdf_property_info_t *, 800 malloc(*maxcount * sizeof(*inp))); 801 } 802 if (inp == NULL) 803 goto out; 804 *info = inp; 805 inp += *count; 806 *count += sh.sh_properties; 807 p = CAST(const uint8_t *, (const void *) 808 ((const char *)(const void *)sst->sst_tab + 809 offs + sizeof(sh))); 810 e = CAST(const uint8_t *, (const void *) 811 (((const char *)(const void *)shp) + sh.sh_len)); 812 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 813 goto out; 814 for (i = 0; i < sh.sh_properties; i++) { 815 size_t ofs = CDF_GETUINT32(p, (i << 1) + 1); 816 q = (const uint8_t *)(const void *) 817 ((const char *)(const void *)p + ofs 818 - 2 * sizeof(uint32_t)); 819 if (q > e) { 820 DPRINTF(("Ran of the end %p > %p\n", q, e)); 821 goto out; 822 } 823 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 824 inp[i].pi_type = CDF_GETUINT32(q, 0); 825 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 826 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 827 if (inp[i].pi_type & CDF_VECTOR) { 828 nelements = CDF_GETUINT32(q, 1); 829 o = 2; 830 } else { 831 nelements = 1; 832 o = 1; 833 } 834 o4 = o * sizeof(uint32_t); 835 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 836 goto unknown; 837 switch (inp[i].pi_type & CDF_TYPEMASK) { 838 case CDF_NULL: 839 case CDF_EMPTY: 840 break; 841 case CDF_SIGNED16: 842 if (inp[i].pi_type & CDF_VECTOR) 843 goto unknown; 844 (void)memcpy(&s16, &q[o4], sizeof(s16)); 845 inp[i].pi_s16 = CDF_TOLE2(s16); 846 break; 847 case CDF_SIGNED32: 848 if (inp[i].pi_type & CDF_VECTOR) 849 goto unknown; 850 (void)memcpy(&s32, &q[o4], sizeof(s32)); 851 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 852 break; 853 case CDF_BOOL: 854 case CDF_UNSIGNED32: 855 if (inp[i].pi_type & CDF_VECTOR) 856 goto unknown; 857 (void)memcpy(&u32, &q[o4], sizeof(u32)); 858 inp[i].pi_u32 = CDF_TOLE4(u32); 859 break; 860 case CDF_SIGNED64: 861 if (inp[i].pi_type & CDF_VECTOR) 862 goto unknown; 863 (void)memcpy(&s64, &q[o4], sizeof(s64)); 864 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 865 break; 866 case CDF_UNSIGNED64: 867 if (inp[i].pi_type & CDF_VECTOR) 868 goto unknown; 869 (void)memcpy(&u64, &q[o4], sizeof(u64)); 870 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 871 break; 872 case CDF_FLOAT: 873 if (inp[i].pi_type & CDF_VECTOR) 874 goto unknown; 875 (void)memcpy(&u32, &q[o4], sizeof(u32)); 876 u32 = CDF_TOLE4(u32); 877 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 878 break; 879 case CDF_DOUBLE: 880 if (inp[i].pi_type & CDF_VECTOR) 881 goto unknown; 882 (void)memcpy(&u64, &q[o4], sizeof(u64)); 883 u64 = CDF_TOLE8((uint64_t)u64); 884 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 885 break; 886 case CDF_LENGTH32_STRING: 887 case CDF_LENGTH32_WSTRING: 888 if (nelements > 1) { 889 size_t nelem = inp - *info; 890 if (*maxcount > CDF_PROP_LIMIT 891 || nelements > CDF_PROP_LIMIT) 892 goto out; 893 *maxcount += nelements; 894 inp = CAST(cdf_property_info_t *, 895 realloc(*info, *maxcount * sizeof(*inp))); 896 if (inp == NULL) 897 goto out; 898 *info = inp; 899 inp = *info + nelem; 900 } 901 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 902 nelements)); 903 for (j = 0; j < nelements; j++, i++) { 904 uint32_t l = CDF_GETUINT32(q, o); 905 inp[i].pi_str.s_len = l; 906 inp[i].pi_str.s_buf = (const char *) 907 (const void *)(&q[o4 + sizeof(l)]); 908 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 909 "u, s = %s\n", l, 910 CDF_ROUND(l, sizeof(l)), 911 inp[i].pi_str.s_buf)); 912 if (l & 1) 913 l++; 914 o += l >> 1; 915 if (q + o >= e) 916 goto out; 917 o4 = o * sizeof(uint32_t); 918 } 919 i--; 920 break; 921 case CDF_FILETIME: 922 if (inp[i].pi_type & CDF_VECTOR) 923 goto unknown; 924 (void)memcpy(&tp, &q[o4], sizeof(tp)); 925 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 926 break; 927 case CDF_CLIPBOARD: 928 if (inp[i].pi_type & CDF_VECTOR) 929 goto unknown; 930 break; 931 default: 932 unknown: 933 DPRINTF(("Don't know how to deal with %x\n", 934 inp[i].pi_type)); 935 break; 936 } 937 } 938 return 0; 939 out: 940 free(*info); 941 return -1; 942 } 943 944 int 945 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 946 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 947 { 948 size_t i, maxcount; 949 const cdf_summary_info_header_t *si = 950 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 951 const cdf_section_declaration_t *sd = 952 CAST(const cdf_section_declaration_t *, (const void *) 953 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 954 955 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 956 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 957 return -1; 958 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 959 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 960 ssi->si_os = CDF_TOLE2(si->si_os); 961 ssi->si_class = si->si_class; 962 cdf_swap_class(&ssi->si_class); 963 ssi->si_count = CDF_TOLE2(si->si_count); 964 *count = 0; 965 maxcount = 0; 966 *info = NULL; 967 for (i = 0; i < CDF_TOLE4(si->si_count); i++) { 968 if (i >= CDF_LOOP_LIMIT) { 969 DPRINTF(("Unpack summary info loop limit")); 970 errno = EFTYPE; 971 return -1; 972 } 973 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), 974 info, count, &maxcount) == -1) { 975 return -1; 976 } 977 } 978 return 0; 979 } 980 981 982 983 int 984 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 985 { 986 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 987 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 988 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 989 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 990 id->cl_six[5]); 991 } 992 993 static const struct { 994 uint32_t v; 995 const char *n; 996 } vn[] = { 997 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 998 { CDF_PROPERTY_TITLE, "Title" }, 999 { CDF_PROPERTY_SUBJECT, "Subject" }, 1000 { CDF_PROPERTY_AUTHOR, "Author" }, 1001 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1002 { CDF_PROPERTY_COMMENTS, "Comments" }, 1003 { CDF_PROPERTY_TEMPLATE, "Template" }, 1004 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1005 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1006 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1007 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1008 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1009 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1010 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1011 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1012 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1013 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1014 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1015 { CDF_PROPERTY_SECURITY, "Security" }, 1016 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1017 }; 1018 1019 int 1020 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1021 { 1022 size_t i; 1023 1024 for (i = 0; i < __arraycount(vn); i++) 1025 if (vn[i].v == p) 1026 return snprintf(buf, bufsiz, "%s", vn[i].n); 1027 return snprintf(buf, bufsiz, "0x%x", p); 1028 } 1029 1030 int 1031 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1032 { 1033 int len = 0; 1034 int days, hours, mins, secs; 1035 1036 ts /= CDF_TIME_PREC; 1037 secs = (int)(ts % 60); 1038 ts /= 60; 1039 mins = (int)(ts % 60); 1040 ts /= 60; 1041 hours = (int)(ts % 24); 1042 ts /= 24; 1043 days = (int)ts; 1044 1045 if (days) { 1046 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1047 if ((size_t)len >= bufsiz) 1048 return len; 1049 } 1050 1051 if (days || hours) { 1052 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1053 if ((size_t)len >= bufsiz) 1054 return len; 1055 } 1056 1057 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1058 if ((size_t)len >= bufsiz) 1059 return len; 1060 1061 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1062 return len; 1063 } 1064 1065 1066 #ifdef CDF_DEBUG 1067 void 1068 cdf_dump_header(const cdf_header_t *h) 1069 { 1070 size_t i; 1071 1072 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1073 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1074 h->h_ ## b, 1 << h->h_ ## b) 1075 DUMP("%d", revision); 1076 DUMP("%d", version); 1077 DUMP("0x%x", byte_order); 1078 DUMP2("%d", sec_size_p2); 1079 DUMP2("%d", short_sec_size_p2); 1080 DUMP("%d", num_sectors_in_sat); 1081 DUMP("%d", secid_first_directory); 1082 DUMP("%d", min_size_standard_stream); 1083 DUMP("%d", secid_first_sector_in_short_sat); 1084 DUMP("%d", num_sectors_in_short_sat); 1085 DUMP("%d", secid_first_sector_in_master_sat); 1086 DUMP("%d", num_sectors_in_master_sat); 1087 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1088 if (h->h_master_sat[i] == CDF_SECID_FREE) 1089 break; 1090 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n", 1091 "master_sat", i, h->h_master_sat[i]); 1092 } 1093 } 1094 1095 void 1096 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1097 { 1098 size_t i, j, s = size / sizeof(cdf_secid_t); 1099 1100 for (i = 0; i < sat->sat_len; i++) { 1101 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1102 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1103 for (j = 0; j < s; j++) { 1104 (void)fprintf(stderr, "%5d, ", 1105 CDF_TOLE4(sat->sat_tab[s * i + j])); 1106 if ((j + 1) % 10 == 0) 1107 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1108 "u: ", i * s + j + 1); 1109 } 1110 (void)fprintf(stderr, "\n"); 1111 } 1112 } 1113 1114 void 1115 cdf_dump(void *v, size_t len) 1116 { 1117 size_t i, j; 1118 unsigned char *p = v; 1119 char abuf[16]; 1120 (void)fprintf(stderr, "%.4x: ", 0); 1121 for (i = 0, j = 0; i < len; i++, p++) { 1122 (void)fprintf(stderr, "%.2x ", *p); 1123 abuf[j++] = isprint(*p) ? *p : '.'; 1124 if (j == 16) { 1125 j = 0; 1126 abuf[15] = '\0'; 1127 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1128 abuf, i + 1); 1129 } 1130 } 1131 (void)fprintf(stderr, "\n"); 1132 } 1133 1134 void 1135 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1136 { 1137 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1138 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1139 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1140 } 1141 1142 void 1143 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1144 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1145 const cdf_dir_t *dir) 1146 { 1147 size_t i, j; 1148 cdf_directory_t *d; 1149 char name[__arraycount(d->d_name)]; 1150 cdf_stream_t scn; 1151 struct timespec ts; 1152 1153 static const char *types[] = { "empty", "user storage", 1154 "user stream", "lockbytes", "property", "root storage" }; 1155 1156 for (i = 0; i < dir->dir_len; i++) { 1157 d = &dir->dir_tab[i]; 1158 for (j = 0; j < sizeof(name); j++) 1159 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1160 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1161 i, name); 1162 if (d->d_type < __arraycount(types)) 1163 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1164 else 1165 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1166 (void)fprintf(stderr, "Color: %s\n", 1167 d->d_color ? "black" : "red"); 1168 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1169 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1170 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1171 cdf_timestamp_to_timespec(&ts, d->d_created); 1172 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec)); 1173 cdf_timestamp_to_timespec(&ts, d->d_modified); 1174 (void)fprintf(stderr, "Modified %s", cdf_ctime(&ts.tv_sec)); 1175 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1176 (void)fprintf(stderr, "Size %d\n", d->d_size); 1177 switch (d->d_type) { 1178 case CDF_DIR_TYPE_USER_STORAGE: 1179 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1180 break; 1181 case CDF_DIR_TYPE_USER_STREAM: 1182 if (sst == NULL) 1183 break; 1184 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1185 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1186 warn("Can't read stream for %s at %d len %d", 1187 name, d->d_stream_first_sector, d->d_size); 1188 break; 1189 } 1190 cdf_dump_stream(h, &scn); 1191 free(scn.sst_tab); 1192 break; 1193 default: 1194 break; 1195 } 1196 1197 } 1198 } 1199 1200 void 1201 cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1202 { 1203 cdf_timestamp_t tp; 1204 struct timespec ts; 1205 char buf[64]; 1206 size_t i, j; 1207 1208 for (i = 0; i < count; i++) { 1209 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1210 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1211 switch (info[i].pi_type) { 1212 case CDF_NULL: 1213 break; 1214 case CDF_SIGNED16: 1215 (void)fprintf(stderr, "signed 16 [%hd]\n", 1216 info[i].pi_s16); 1217 break; 1218 case CDF_SIGNED32: 1219 (void)fprintf(stderr, "signed 32 [%d]\n", 1220 info[i].pi_s32); 1221 break; 1222 case CDF_UNSIGNED32: 1223 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1224 info[i].pi_u32); 1225 break; 1226 case CDF_FLOAT: 1227 (void)fprintf(stderr, "float [%g]\n", 1228 info[i].pi_f); 1229 break; 1230 case CDF_DOUBLE: 1231 (void)fprintf(stderr, "double [%g]\n", 1232 info[i].pi_d); 1233 break; 1234 case CDF_LENGTH32_STRING: 1235 (void)fprintf(stderr, "string %u [%.*s]\n", 1236 info[i].pi_str.s_len, 1237 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1238 break; 1239 case CDF_LENGTH32_WSTRING: 1240 (void)fprintf(stderr, "string %u [", 1241 info[i].pi_str.s_len); 1242 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1243 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1244 (void)fprintf(stderr, "]\n"); 1245 break; 1246 case CDF_FILETIME: 1247 tp = info[i].pi_tp; 1248 if (tp < 1000000000000000LL) { 1249 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1250 (void)fprintf(stderr, "timestamp %s\n", buf); 1251 } else { 1252 cdf_timestamp_to_timespec(&ts, tp); 1253 (void)fprintf(stderr, "timestamp %s", 1254 cdf_ctime(&ts.tv_sec)); 1255 } 1256 break; 1257 case CDF_CLIPBOARD: 1258 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1259 break; 1260 default: 1261 DPRINTF(("Don't know how to deal with %x\n", 1262 info[i].pi_type)); 1263 break; 1264 } 1265 } 1266 } 1267 1268 1269 void 1270 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1271 { 1272 char buf[128]; 1273 cdf_summary_info_header_t ssi; 1274 cdf_property_info_t *info; 1275 size_t count; 1276 1277 (void)&h; 1278 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1279 return; 1280 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1281 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1282 ssi.si_os_version >> 8); 1283 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1284 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1285 (void)fprintf(stderr, "Class %s\n", buf); 1286 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1287 cdf_dump_property_info(info, count); 1288 free(info); 1289 } 1290 1291 #endif 1292 1293 #ifdef TEST 1294 int 1295 main(int argc, char *argv[]) 1296 { 1297 int i; 1298 cdf_header_t h; 1299 cdf_sat_t sat, ssat; 1300 cdf_stream_t sst, scn; 1301 cdf_dir_t dir; 1302 cdf_info_t info; 1303 1304 if (argc < 2) { 1305 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1306 return -1; 1307 } 1308 1309 info.i_buf = NULL; 1310 info.i_len = 0; 1311 for (i = 1; i < argc; i++) { 1312 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1313 err(1, "Cannot open `%s'", argv[1]); 1314 1315 if (cdf_read_header(&info, &h) == -1) 1316 err(1, "Cannot read header"); 1317 #ifdef CDF_DEBUG 1318 cdf_dump_header(&h); 1319 #endif 1320 1321 if (cdf_read_sat(&info, &h, &sat) == -1) 1322 err(1, "Cannot read sat"); 1323 #ifdef CDF_DEBUG 1324 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1325 #endif 1326 1327 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1328 err(1, "Cannot read ssat"); 1329 #ifdef CDF_DEBUG 1330 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1331 #endif 1332 1333 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1334 err(1, "Cannot read dir"); 1335 1336 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1) 1337 err(1, "Cannot read short stream"); 1338 #ifdef CDF_DEBUG 1339 cdf_dump_stream(&h, &sst); 1340 #endif 1341 1342 #ifdef CDF_DEBUG 1343 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1344 #endif 1345 1346 1347 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1348 &scn) == -1) 1349 err(1, "Cannot read summary info"); 1350 #ifdef CDF_DEBUG 1351 cdf_dump_summary_info(&h, &scn); 1352 #endif 1353 1354 (void)close(info.i_fd); 1355 } 1356 1357 return 0; 1358 } 1359 #endif 1360