1 /* $NetBSD: cdf.c,v 1.11 2015/01/02 21:15:32 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 1.69 2014/12/04 15:56:46 christos Exp $") 42 #else 43 __RCSID("$NetBSD: cdf.c,v 1.11 2015/01/02 21:15:32 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_TOLE(x) (/*CONSTCOND*/sizeof(x) == 2 ? \ 83 CDF_TOLE2(CAST(uint16_t, x)) : \ 84 (/*CONSTCOND*/sizeof(x) == 4 ? \ 85 CDF_TOLE4(CAST(uint32_t, x)) : \ 86 CDF_TOLE8(CAST(uint64_t, x)))) 87 #define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 88 89 90 /* 91 * swap a short 92 */ 93 static uint16_t 94 _cdf_tole2(uint16_t sv) 95 { 96 uint16_t rv; 97 uint8_t *s = (uint8_t *)(void *)&sv; 98 uint8_t *d = (uint8_t *)(void *)&rv; 99 d[0] = s[1]; 100 d[1] = s[0]; 101 return rv; 102 } 103 104 /* 105 * swap an int 106 */ 107 static uint32_t 108 _cdf_tole4(uint32_t sv) 109 { 110 uint32_t rv; 111 uint8_t *s = (uint8_t *)(void *)&sv; 112 uint8_t *d = (uint8_t *)(void *)&rv; 113 d[0] = s[3]; 114 d[1] = s[2]; 115 d[2] = s[1]; 116 d[3] = s[0]; 117 return rv; 118 } 119 120 /* 121 * swap a quad 122 */ 123 static uint64_t 124 _cdf_tole8(uint64_t sv) 125 { 126 uint64_t rv; 127 uint8_t *s = (uint8_t *)(void *)&sv; 128 uint8_t *d = (uint8_t *)(void *)&rv; 129 d[0] = s[7]; 130 d[1] = s[6]; 131 d[2] = s[5]; 132 d[3] = s[4]; 133 d[4] = s[3]; 134 d[5] = s[2]; 135 d[6] = s[1]; 136 d[7] = s[0]; 137 return rv; 138 } 139 140 /* 141 * grab a uint32_t from a possibly unaligned address, and return it in 142 * the native host order. 143 */ 144 static uint32_t 145 cdf_getuint32(const uint8_t *p, size_t offs) 146 { 147 uint32_t rv; 148 (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 149 return CDF_TOLE4(rv); 150 } 151 152 #define CDF_UNPACK(a) \ 153 (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 154 #define CDF_UNPACKA(a) \ 155 (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 156 157 uint16_t 158 cdf_tole2(uint16_t sv) 159 { 160 return CDF_TOLE2(sv); 161 } 162 163 uint32_t 164 cdf_tole4(uint32_t sv) 165 { 166 return CDF_TOLE4(sv); 167 } 168 169 uint64_t 170 cdf_tole8(uint64_t sv) 171 { 172 return CDF_TOLE8(sv); 173 } 174 175 void 176 cdf_swap_header(cdf_header_t *h) 177 { 178 size_t i; 179 180 h->h_magic = CDF_TOLE8(h->h_magic); 181 h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 182 h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 183 h->h_revision = CDF_TOLE2(h->h_revision); 184 h->h_version = CDF_TOLE2(h->h_version); 185 h->h_byte_order = CDF_TOLE2(h->h_byte_order); 186 h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 187 h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 188 h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 189 h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 190 h->h_min_size_standard_stream = 191 CDF_TOLE4(h->h_min_size_standard_stream); 192 h->h_secid_first_sector_in_short_sat = 193 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat); 194 h->h_num_sectors_in_short_sat = 195 CDF_TOLE4(h->h_num_sectors_in_short_sat); 196 h->h_secid_first_sector_in_master_sat = 197 CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat); 198 h->h_num_sectors_in_master_sat = 199 CDF_TOLE4(h->h_num_sectors_in_master_sat); 200 for (i = 0; i < __arraycount(h->h_master_sat); i++) 201 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]); 202 } 203 204 void 205 cdf_unpack_header(cdf_header_t *h, char *buf) 206 { 207 size_t i; 208 size_t len = 0; 209 210 CDF_UNPACK(h->h_magic); 211 CDF_UNPACKA(h->h_uuid); 212 CDF_UNPACK(h->h_revision); 213 CDF_UNPACK(h->h_version); 214 CDF_UNPACK(h->h_byte_order); 215 CDF_UNPACK(h->h_sec_size_p2); 216 CDF_UNPACK(h->h_short_sec_size_p2); 217 CDF_UNPACKA(h->h_unused0); 218 CDF_UNPACK(h->h_num_sectors_in_sat); 219 CDF_UNPACK(h->h_secid_first_directory); 220 CDF_UNPACKA(h->h_unused1); 221 CDF_UNPACK(h->h_min_size_standard_stream); 222 CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 223 CDF_UNPACK(h->h_num_sectors_in_short_sat); 224 CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 225 CDF_UNPACK(h->h_num_sectors_in_master_sat); 226 for (i = 0; i < __arraycount(h->h_master_sat); i++) 227 CDF_UNPACK(h->h_master_sat[i]); 228 } 229 230 void 231 cdf_swap_dir(cdf_directory_t *d) 232 { 233 d->d_namelen = CDF_TOLE2(d->d_namelen); 234 d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child); 235 d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child); 236 d->d_storage = CDF_TOLE4((uint32_t)d->d_storage); 237 d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 238 d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 239 d->d_flags = CDF_TOLE4(d->d_flags); 240 d->d_created = CDF_TOLE8((uint64_t)d->d_created); 241 d->d_modified = CDF_TOLE8((uint64_t)d->d_modified); 242 d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector); 243 d->d_size = CDF_TOLE4(d->d_size); 244 } 245 246 void 247 cdf_swap_class(cdf_classid_t *d) 248 { 249 d->cl_dword = CDF_TOLE4(d->cl_dword); 250 d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 251 d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 252 } 253 254 void 255 cdf_unpack_dir(cdf_directory_t *d, char *buf) 256 { 257 size_t len = 0; 258 259 CDF_UNPACKA(d->d_name); 260 CDF_UNPACK(d->d_namelen); 261 CDF_UNPACK(d->d_type); 262 CDF_UNPACK(d->d_color); 263 CDF_UNPACK(d->d_left_child); 264 CDF_UNPACK(d->d_right_child); 265 CDF_UNPACK(d->d_storage); 266 CDF_UNPACKA(d->d_storage_uuid); 267 CDF_UNPACK(d->d_flags); 268 CDF_UNPACK(d->d_created); 269 CDF_UNPACK(d->d_modified); 270 CDF_UNPACK(d->d_stream_first_sector); 271 CDF_UNPACK(d->d_size); 272 CDF_UNPACK(d->d_unused0); 273 } 274 275 static int 276 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 277 const void *p, size_t tail, int line) 278 { 279 const char *b = (const char *)sst->sst_tab; 280 const char *e = ((const char *)p) + tail; 281 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 282 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 283 /*LINTED*/(void)&line; 284 if (e >= b && (size_t)(e - b) <= ss * sst->sst_len) 285 return 0; 286 DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 287 " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 288 SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 289 ss * sst->sst_len, ss, sst->sst_len)); 290 errno = EFTYPE; 291 return -1; 292 } 293 294 static ssize_t 295 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 296 { 297 size_t siz = (size_t)off + len; 298 299 if ((off_t)(off + len) != (off_t)siz) { 300 errno = EINVAL; 301 return -1; 302 } 303 304 if (info->i_buf != NULL && info->i_len >= siz) { 305 (void)memcpy(buf, &info->i_buf[off], len); 306 return (ssize_t)len; 307 } 308 309 if (info->i_fd == -1) 310 return -1; 311 312 if (pread(info->i_fd, buf, len, off) != (ssize_t)len) 313 return -1; 314 315 return (ssize_t)len; 316 } 317 318 int 319 cdf_read_header(const cdf_info_t *info, cdf_header_t *h) 320 { 321 char buf[512]; 322 323 (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 324 if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1) 325 return -1; 326 cdf_unpack_header(h, buf); 327 cdf_swap_header(h); 328 if (h->h_magic != CDF_MAGIC) { 329 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%" 330 INT64_T_FORMAT "x\n", 331 (unsigned long long)h->h_magic, 332 (unsigned long long)CDF_MAGIC)); 333 goto out; 334 } 335 if (h->h_sec_size_p2 > 20) { 336 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2)); 337 goto out; 338 } 339 if (h->h_short_sec_size_p2 > 20) { 340 DPRINTF(("Bad short sector size 0x%u\n", 341 h->h_short_sec_size_p2)); 342 goto out; 343 } 344 return 0; 345 out: 346 errno = EFTYPE; 347 return -1; 348 } 349 350 351 ssize_t 352 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 353 const cdf_header_t *h, cdf_secid_t id) 354 { 355 size_t ss = CDF_SEC_SIZE(h); 356 size_t pos = CDF_SEC_POS(h, id); 357 assert(ss == len); 358 return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len); 359 } 360 361 ssize_t 362 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 363 size_t len, const cdf_header_t *h, cdf_secid_t id) 364 { 365 size_t ss = CDF_SHORT_SEC_SIZE(h); 366 size_t pos = CDF_SHORT_SEC_POS(h, id); 367 assert(ss == len); 368 if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 369 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 370 SIZE_T_FORMAT "u\n", 371 pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 372 return -1; 373 } 374 (void)memcpy(((char *)buf) + offs, 375 ((const char *)sst->sst_tab) + pos, len); 376 return len; 377 } 378 379 /* 380 * Read the sector allocation table. 381 */ 382 int 383 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 384 { 385 size_t i, j, k; 386 size_t ss = CDF_SEC_SIZE(h); 387 cdf_secid_t *msa, mid, sec; 388 size_t nsatpersec = (ss / sizeof(mid)) - 1; 389 390 for (i = 0; i < __arraycount(h->h_master_sat); i++) 391 if (h->h_master_sat[i] == CDF_SECID_FREE) 392 break; 393 394 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss)) 395 if ((nsatpersec > 0 && 396 h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 397 i > CDF_SEC_LIMIT) { 398 DPRINTF(("Number of sectors in master SAT too big %u %" 399 SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 400 errno = EFTYPE; 401 return -1; 402 } 403 404 sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 405 DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 406 sat->sat_len, ss)); 407 if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss))) 408 == NULL) 409 return -1; 410 411 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 412 if (h->h_master_sat[i] < 0) 413 break; 414 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 415 h->h_master_sat[i]) != (ssize_t)ss) { 416 DPRINTF(("Reading sector %d", h->h_master_sat[i])); 417 goto out1; 418 } 419 } 420 421 if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL) 422 goto out1; 423 424 mid = h->h_secid_first_sector_in_master_sat; 425 for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 426 if (mid < 0) 427 goto out; 428 if (j >= CDF_LOOP_LIMIT) { 429 DPRINTF(("Reading master sector loop limit")); 430 errno = EFTYPE; 431 goto out2; 432 } 433 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) { 434 DPRINTF(("Reading master sector %d", mid)); 435 goto out2; 436 } 437 for (k = 0; k < nsatpersec; k++, i++) { 438 sec = CDF_TOLE4((uint32_t)msa[k]); 439 if (sec < 0) 440 goto out; 441 if (i >= sat->sat_len) { 442 DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT 443 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); 444 errno = EFTYPE; 445 goto out2; 446 } 447 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 448 sec) != (ssize_t)ss) { 449 DPRINTF(("Reading sector %d", 450 CDF_TOLE4(msa[k]))); 451 goto out2; 452 } 453 } 454 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]); 455 } 456 out: 457 sat->sat_len = i; 458 free(msa); 459 return 0; 460 out2: 461 free(msa); 462 out1: 463 free(sat->sat_tab); 464 return -1; 465 } 466 467 size_t 468 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 469 { 470 size_t i, j; 471 cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size) 472 / sizeof(maxsector)); 473 474 DPRINTF(("Chain:")); 475 if (sid == CDF_SECID_END_OF_CHAIN) { 476 /* 0-length chain. */ 477 DPRINTF((" empty\n")); 478 return 0; 479 } 480 481 for (j = i = 0; sid >= 0; i++, j++) { 482 DPRINTF((" %d", sid)); 483 if (j >= CDF_LOOP_LIMIT) { 484 DPRINTF(("Counting chain loop limit")); 485 errno = EFTYPE; 486 return (size_t)-1; 487 } 488 if (sid >= maxsector) { 489 DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 490 errno = EFTYPE; 491 return (size_t)-1; 492 } 493 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 494 } 495 if (i == 0) { 496 DPRINTF((" none, sid: %d\n", sid)); 497 return (size_t)-1; 498 499 } 500 DPRINTF(("\n")); 501 return i; 502 } 503 504 int 505 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 506 const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 507 { 508 size_t ss = CDF_SEC_SIZE(h), i, j; 509 ssize_t nr; 510 scn->sst_len = cdf_count_chain(sat, sid, ss); 511 scn->sst_dirlen = len; 512 513 if (scn->sst_len == (size_t)-1) 514 return -1; 515 516 scn->sst_tab = calloc(scn->sst_len, ss); 517 if (scn->sst_tab == NULL) 518 return -1; 519 520 for (j = i = 0; sid >= 0; i++, j++) { 521 if (j >= CDF_LOOP_LIMIT) { 522 DPRINTF(("Read long sector chain loop limit")); 523 errno = EFTYPE; 524 goto out; 525 } 526 if (i >= scn->sst_len) { 527 DPRINTF(("Out of bounds reading long sector chain " 528 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 529 scn->sst_len)); 530 errno = EFTYPE; 531 goto out; 532 } 533 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 534 sid)) != (ssize_t)ss) { 535 if (i == scn->sst_len - 1 && nr > 0) { 536 /* Last sector might be truncated */ 537 return 0; 538 } 539 DPRINTF(("Reading long sector chain %d", sid)); 540 goto out; 541 } 542 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 543 } 544 return 0; 545 out: 546 free(scn->sst_tab); 547 return -1; 548 } 549 550 int 551 cdf_read_short_sector_chain(const cdf_header_t *h, 552 const cdf_sat_t *ssat, const cdf_stream_t *sst, 553 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 554 { 555 size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 556 scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 557 scn->sst_dirlen = len; 558 559 if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1) 560 return -1; 561 562 scn->sst_tab = calloc(scn->sst_len, ss); 563 if (scn->sst_tab == NULL) 564 return -1; 565 566 for (j = i = 0; sid >= 0; i++, j++) { 567 if (j >= CDF_LOOP_LIMIT) { 568 DPRINTF(("Read short sector chain loop limit")); 569 errno = EFTYPE; 570 goto out; 571 } 572 if (i >= scn->sst_len) { 573 DPRINTF(("Out of bounds reading short sector chain " 574 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 575 i, scn->sst_len)); 576 errno = EFTYPE; 577 goto out; 578 } 579 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 580 sid) != (ssize_t)ss) { 581 DPRINTF(("Reading short sector chain %d", sid)); 582 goto out; 583 } 584 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]); 585 } 586 return 0; 587 out: 588 free(scn->sst_tab); 589 return -1; 590 } 591 592 int 593 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 594 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 595 cdf_secid_t sid, size_t len, cdf_stream_t *scn) 596 { 597 598 if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 599 return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 600 scn); 601 else 602 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 603 } 604 605 int 606 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 607 const cdf_sat_t *sat, cdf_dir_t *dir) 608 { 609 size_t i, j; 610 size_t ss = CDF_SEC_SIZE(h), ns, nd; 611 char *buf; 612 cdf_secid_t sid = h->h_secid_first_directory; 613 614 ns = cdf_count_chain(sat, sid, ss); 615 if (ns == (size_t)-1) 616 return -1; 617 618 nd = ss / CDF_DIRECTORY_SIZE; 619 620 dir->dir_len = ns * nd; 621 dir->dir_tab = CAST(cdf_directory_t *, 622 calloc(dir->dir_len, sizeof(dir->dir_tab[0]))); 623 if (dir->dir_tab == NULL) 624 return -1; 625 626 if ((buf = CAST(char *, malloc(ss))) == NULL) { 627 free(dir->dir_tab); 628 return -1; 629 } 630 631 for (j = i = 0; i < ns; i++, j++) { 632 if (j >= CDF_LOOP_LIMIT) { 633 DPRINTF(("Read dir loop limit")); 634 errno = EFTYPE; 635 goto out; 636 } 637 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) { 638 DPRINTF(("Reading directory sector %d", sid)); 639 goto out; 640 } 641 for (j = 0; j < nd; j++) { 642 cdf_unpack_dir(&dir->dir_tab[i * nd + j], 643 &buf[j * CDF_DIRECTORY_SIZE]); 644 } 645 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 646 } 647 if (NEED_SWAP) 648 for (i = 0; i < dir->dir_len; i++) 649 cdf_swap_dir(&dir->dir_tab[i]); 650 free(buf); 651 return 0; 652 out: 653 free(dir->dir_tab); 654 free(buf); 655 return -1; 656 } 657 658 659 int 660 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 661 const cdf_sat_t *sat, cdf_sat_t *ssat) 662 { 663 size_t i, j; 664 size_t ss = CDF_SEC_SIZE(h); 665 cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 666 667 ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h)); 668 if (ssat->sat_len == (size_t)-1) 669 return -1; 670 671 ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss)); 672 if (ssat->sat_tab == NULL) 673 return -1; 674 675 for (j = i = 0; sid >= 0; i++, j++) { 676 if (j >= CDF_LOOP_LIMIT) { 677 DPRINTF(("Read short sat sector loop limit")); 678 errno = EFTYPE; 679 goto out; 680 } 681 if (i >= ssat->sat_len) { 682 DPRINTF(("Out of bounds reading short sector chain " 683 "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 684 ssat->sat_len)); 685 errno = EFTYPE; 686 goto out; 687 } 688 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 689 (ssize_t)ss) { 690 DPRINTF(("Reading short sat sector %d", sid)); 691 goto out; 692 } 693 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]); 694 } 695 return 0; 696 out: 697 free(ssat->sat_tab); 698 return -1; 699 } 700 701 int 702 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 703 const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 704 const cdf_directory_t **root) 705 { 706 size_t i; 707 const cdf_directory_t *d; 708 709 *root = NULL; 710 for (i = 0; i < dir->dir_len; i++) 711 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 712 break; 713 714 /* If the it is not there, just fake it; some docs don't have it */ 715 if (i == dir->dir_len) 716 goto out; 717 d = &dir->dir_tab[i]; 718 *root = d; 719 720 /* If the it is not there, just fake it; some docs don't have it */ 721 if (d->d_stream_first_sector < 0) 722 goto out; 723 724 return cdf_read_long_sector_chain(info, h, sat, 725 d->d_stream_first_sector, d->d_size, scn); 726 out: 727 scn->sst_tab = NULL; 728 scn->sst_len = 0; 729 scn->sst_dirlen = 0; 730 return 0; 731 } 732 733 static int 734 cdf_namecmp(const char *d, const uint16_t *s, size_t l) 735 { 736 for (; l--; d++, s++) 737 if (*d != CDF_TOLE2(*s)) 738 return (unsigned char)*d - CDF_TOLE2(*s); 739 return 0; 740 } 741 742 int 743 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 744 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 745 const cdf_dir_t *dir, cdf_stream_t *scn) 746 { 747 return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 748 "\05SummaryInformation", scn); 749 } 750 751 int 752 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 753 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 754 const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 755 { 756 size_t i; 757 const cdf_directory_t *d; 758 size_t name_len = strlen(name) + 1; 759 760 for (i = dir->dir_len; i > 0; i--) 761 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM && 762 cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 763 == 0) 764 break; 765 766 if (i == 0) { 767 DPRINTF(("Cannot find user stream `%s'\n", name)); 768 errno = ESRCH; 769 return -1; 770 } 771 d = &dir->dir_tab[i - 1]; 772 return cdf_read_sector_chain(info, h, sat, ssat, sst, 773 d->d_stream_first_sector, d->d_size, scn); 774 } 775 776 int 777 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 778 uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 779 { 780 const cdf_section_header_t *shp; 781 cdf_section_header_t sh; 782 const uint8_t *p, *q, *e; 783 int16_t s16; 784 int32_t s32; 785 uint32_t u32; 786 int64_t s64; 787 uint64_t u64; 788 cdf_timestamp_t tp; 789 size_t i, o, o4, nelements, j; 790 cdf_property_info_t *inp; 791 792 if (offs > UINT32_MAX / 4) { 793 errno = EFTYPE; 794 goto out; 795 } 796 shp = CAST(const cdf_section_header_t *, (const void *) 797 ((const char *)sst->sst_tab + offs)); 798 if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 799 goto out; 800 sh.sh_len = CDF_TOLE4(shp->sh_len); 801 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8) 802 if (sh.sh_len > CDF_SHLEN_LIMIT) { 803 errno = EFTYPE; 804 goto out; 805 } 806 sh.sh_properties = CDF_TOLE4(shp->sh_properties); 807 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp))) 808 if (sh.sh_properties > CDF_PROP_LIMIT) 809 goto out; 810 DPRINTF(("section len: %u properties %u\n", sh.sh_len, 811 sh.sh_properties)); 812 if (*maxcount) { 813 if (*maxcount > CDF_PROP_LIMIT) 814 goto out; 815 *maxcount += sh.sh_properties; 816 inp = CAST(cdf_property_info_t *, 817 realloc(*info, *maxcount * sizeof(*inp))); 818 } else { 819 *maxcount = sh.sh_properties; 820 inp = CAST(cdf_property_info_t *, 821 malloc(*maxcount * sizeof(*inp))); 822 } 823 if (inp == NULL) 824 goto out; 825 *info = inp; 826 inp += *count; 827 *count += sh.sh_properties; 828 p = CAST(const uint8_t *, (const void *) 829 ((const char *)(const void *)sst->sst_tab + 830 offs + sizeof(sh))); 831 e = CAST(const uint8_t *, (const void *) 832 (((const char *)(const void *)shp) + sh.sh_len)); 833 if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 834 goto out; 835 for (i = 0; i < sh.sh_properties; i++) { 836 size_t tail = (i << 1) + 1; 837 size_t ofs; 838 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), 839 __LINE__) == -1) 840 goto out; 841 ofs = CDF_GETUINT32(p, tail); 842 q = (const uint8_t *)(const void *) 843 ((const char *)(const void *)p + ofs 844 - 2 * sizeof(uint32_t)); 845 if (q < p) { 846 DPRINTF(("Wrapped around %p < %p\n", q, p)); 847 goto out; 848 } 849 if (q > e) { 850 DPRINTF(("Ran of the end %p > %p\n", q, e)); 851 goto out; 852 } 853 inp[i].pi_id = CDF_GETUINT32(p, i << 1); 854 inp[i].pi_type = CDF_GETUINT32(q, 0); 855 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n", 856 i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 857 if (inp[i].pi_type & CDF_VECTOR) { 858 nelements = CDF_GETUINT32(q, 1); 859 if (nelements == 0) { 860 DPRINTF(("CDF_VECTOR with nelements == 0\n")); 861 goto out; 862 } 863 o = 2; 864 } else { 865 nelements = 1; 866 o = 1; 867 } 868 o4 = o * sizeof(uint32_t); 869 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 870 goto unknown; 871 switch (inp[i].pi_type & CDF_TYPEMASK) { 872 case CDF_NULL: 873 case CDF_EMPTY: 874 break; 875 case CDF_SIGNED16: 876 if (inp[i].pi_type & CDF_VECTOR) 877 goto unknown; 878 (void)memcpy(&s16, &q[o4], sizeof(s16)); 879 inp[i].pi_s16 = CDF_TOLE2(s16); 880 break; 881 case CDF_SIGNED32: 882 if (inp[i].pi_type & CDF_VECTOR) 883 goto unknown; 884 (void)memcpy(&s32, &q[o4], sizeof(s32)); 885 inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32); 886 break; 887 case CDF_BOOL: 888 case CDF_UNSIGNED32: 889 if (inp[i].pi_type & CDF_VECTOR) 890 goto unknown; 891 (void)memcpy(&u32, &q[o4], sizeof(u32)); 892 inp[i].pi_u32 = CDF_TOLE4(u32); 893 break; 894 case CDF_SIGNED64: 895 if (inp[i].pi_type & CDF_VECTOR) 896 goto unknown; 897 (void)memcpy(&s64, &q[o4], sizeof(s64)); 898 inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64); 899 break; 900 case CDF_UNSIGNED64: 901 if (inp[i].pi_type & CDF_VECTOR) 902 goto unknown; 903 (void)memcpy(&u64, &q[o4], sizeof(u64)); 904 inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64); 905 break; 906 case CDF_FLOAT: 907 if (inp[i].pi_type & CDF_VECTOR) 908 goto unknown; 909 (void)memcpy(&u32, &q[o4], sizeof(u32)); 910 u32 = CDF_TOLE4(u32); 911 memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f)); 912 break; 913 case CDF_DOUBLE: 914 if (inp[i].pi_type & CDF_VECTOR) 915 goto unknown; 916 (void)memcpy(&u64, &q[o4], sizeof(u64)); 917 u64 = CDF_TOLE8((uint64_t)u64); 918 memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d)); 919 break; 920 case CDF_LENGTH32_STRING: 921 case CDF_LENGTH32_WSTRING: 922 if (nelements > 1) { 923 size_t nelem = inp - *info; 924 if (*maxcount > CDF_PROP_LIMIT 925 || nelements > CDF_PROP_LIMIT) 926 goto out; 927 *maxcount += nelements; 928 inp = CAST(cdf_property_info_t *, 929 realloc(*info, *maxcount * sizeof(*inp))); 930 if (inp == NULL) 931 goto out; 932 *info = inp; 933 inp = *info + nelem; 934 } 935 DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n", 936 nelements)); 937 for (j = 0; j < nelements && i < sh.sh_properties; 938 j++, i++) 939 { 940 uint32_t l = CDF_GETUINT32(q, o); 941 inp[i].pi_str.s_len = l; 942 inp[i].pi_str.s_buf = (const char *) 943 (const void *)(&q[o4 + sizeof(l)]); 944 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT 945 "u, s = %s\n", l, 946 CDF_ROUND(l, sizeof(l)), 947 inp[i].pi_str.s_buf)); 948 if (l & 1) 949 l++; 950 o += l >> 1; 951 if (q + o >= e) 952 goto out; 953 o4 = o * sizeof(uint32_t); 954 } 955 i--; 956 break; 957 case CDF_FILETIME: 958 if (inp[i].pi_type & CDF_VECTOR) 959 goto unknown; 960 (void)memcpy(&tp, &q[o4], sizeof(tp)); 961 inp[i].pi_tp = CDF_TOLE8((uint64_t)tp); 962 break; 963 case CDF_CLIPBOARD: 964 if (inp[i].pi_type & CDF_VECTOR) 965 goto unknown; 966 break; 967 default: 968 unknown: 969 DPRINTF(("Don't know how to deal with %x\n", 970 inp[i].pi_type)); 971 break; 972 } 973 } 974 return 0; 975 out: 976 free(*info); 977 return -1; 978 } 979 980 int 981 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 982 cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 983 { 984 size_t maxcount; 985 const cdf_summary_info_header_t *si = 986 CAST(const cdf_summary_info_header_t *, sst->sst_tab); 987 const cdf_section_declaration_t *sd = 988 CAST(const cdf_section_declaration_t *, (const void *) 989 ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET)); 990 991 if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 992 cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 993 return -1; 994 ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 995 ssi->si_os_version = CDF_TOLE2(si->si_os_version); 996 ssi->si_os = CDF_TOLE2(si->si_os); 997 ssi->si_class = si->si_class; 998 cdf_swap_class(&ssi->si_class); 999 ssi->si_count = CDF_TOLE4(si->si_count); 1000 *count = 0; 1001 maxcount = 0; 1002 *info = NULL; 1003 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 1004 count, &maxcount) == -1) 1005 return -1; 1006 return 0; 1007 } 1008 1009 1010 #define extract_catalog_field(t, f, l) \ 1011 memcpy(&ce[i].f, b + (l), sizeof(ce[i].f)); \ 1012 ce[i].f = CAST(t, CDF_TOLE(ce[i].f)) 1013 1014 int 1015 cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, 1016 cdf_catalog_t **cat) 1017 { 1018 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1019 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1020 const char *b = CAST(const char *, sst->sst_tab); 1021 const char *eb = b + ss * sst->sst_len; 1022 size_t nr, i, k; 1023 cdf_catalog_entry_t *ce; 1024 uint16_t reclen; 1025 const uint16_t *np; 1026 1027 for (nr = 0; b < eb; nr++) { 1028 memcpy(&reclen, b, sizeof(reclen)); 1029 reclen = CDF_TOLE2(reclen); 1030 if (reclen == 0) 1031 break; 1032 b += reclen; 1033 } 1034 *cat = CAST(cdf_catalog_t *, 1035 malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); 1036 (*cat)->cat_num = nr; 1037 ce = (*cat)->cat_e; 1038 b = CAST(const char *, sst->sst_tab); 1039 for (i = 0; i < nr; i++) { 1040 extract_catalog_field(uint16_t, ce_namlen, 0); 1041 extract_catalog_field(uint16_t, ce_num, 2); 1042 extract_catalog_field(uint64_t, ce_timestamp, 6); 1043 reclen = ce[i].ce_namlen; 1044 ce[i].ce_namlen = 1045 sizeof(ce[i].ce_name) / sizeof(ce[i].ce_name[0]) - 1; 1046 if (ce[i].ce_namlen > reclen - 14) 1047 ce[i].ce_namlen = reclen - 14; 1048 np = CAST(const uint16_t *, CAST(const void *, (b + 16))); 1049 for (k = 0; k < ce[i].ce_namlen; k++) { 1050 ce[i].ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */ 1051 } 1052 ce[i].ce_name[ce[i].ce_namlen] = 0; 1053 b += reclen; 1054 } 1055 return 0; 1056 } 1057 1058 int 1059 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 1060 { 1061 return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 1062 "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 1063 id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 1064 id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 1065 id->cl_six[5]); 1066 } 1067 1068 static const struct { 1069 uint32_t v; 1070 const char *n; 1071 } vn[] = { 1072 { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1073 { CDF_PROPERTY_TITLE, "Title" }, 1074 { CDF_PROPERTY_SUBJECT, "Subject" }, 1075 { CDF_PROPERTY_AUTHOR, "Author" }, 1076 { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1077 { CDF_PROPERTY_COMMENTS, "Comments" }, 1078 { CDF_PROPERTY_TEMPLATE, "Template" }, 1079 { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1080 { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1081 { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1082 { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1083 { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1084 { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1085 { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1086 { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1087 { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1088 { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1089 { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1090 { CDF_PROPERTY_SECURITY, "Security" }, 1091 { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1092 }; 1093 1094 int 1095 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1096 { 1097 size_t i; 1098 1099 for (i = 0; i < __arraycount(vn); i++) 1100 if (vn[i].v == p) 1101 return snprintf(buf, bufsiz, "%s", vn[i].n); 1102 return snprintf(buf, bufsiz, "0x%x", p); 1103 } 1104 1105 int 1106 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1107 { 1108 int len = 0; 1109 int days, hours, mins, secs; 1110 1111 ts /= CDF_TIME_PREC; 1112 secs = (int)(ts % 60); 1113 ts /= 60; 1114 mins = (int)(ts % 60); 1115 ts /= 60; 1116 hours = (int)(ts % 24); 1117 ts /= 24; 1118 days = (int)ts; 1119 1120 if (days) { 1121 len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1122 if ((size_t)len >= bufsiz) 1123 return len; 1124 } 1125 1126 if (days || hours) { 1127 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1128 if ((size_t)len >= bufsiz) 1129 return len; 1130 } 1131 1132 len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1133 if ((size_t)len >= bufsiz) 1134 return len; 1135 1136 len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1137 return len; 1138 } 1139 1140 char * 1141 cdf_u16tos8(char *buf, size_t len, const uint16_t *p) 1142 { 1143 size_t i; 1144 for (i = 0; i < len && p[i]; i++) 1145 buf[i] = (char)p[i]; 1146 buf[i] = '\0'; 1147 return buf; 1148 } 1149 1150 #ifdef CDF_DEBUG 1151 void 1152 cdf_dump_header(const cdf_header_t *h) 1153 { 1154 size_t i; 1155 1156 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1157 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1158 h->h_ ## b, 1 << h->h_ ## b) 1159 DUMP("%d", revision); 1160 DUMP("%d", version); 1161 DUMP("0x%x", byte_order); 1162 DUMP2("%d", sec_size_p2); 1163 DUMP2("%d", short_sec_size_p2); 1164 DUMP("%d", num_sectors_in_sat); 1165 DUMP("%d", secid_first_directory); 1166 DUMP("%d", min_size_standard_stream); 1167 DUMP("%d", secid_first_sector_in_short_sat); 1168 DUMP("%d", num_sectors_in_short_sat); 1169 DUMP("%d", secid_first_sector_in_master_sat); 1170 DUMP("%d", num_sectors_in_master_sat); 1171 for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1172 if (h->h_master_sat[i] == CDF_SECID_FREE) 1173 break; 1174 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", 1175 "master_sat", i, h->h_master_sat[i]); 1176 } 1177 } 1178 1179 void 1180 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1181 { 1182 size_t i, j, s = size / sizeof(cdf_secid_t); 1183 1184 for (i = 0; i < sat->sat_len; i++) { 1185 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1186 SIZE_T_FORMAT "u: ", prefix, i, i * s); 1187 for (j = 0; j < s; j++) { 1188 (void)fprintf(stderr, "%5d, ", 1189 CDF_TOLE4(sat->sat_tab[s * i + j])); 1190 if ((j + 1) % 10 == 0) 1191 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1192 "u: ", i * s + j + 1); 1193 } 1194 (void)fprintf(stderr, "\n"); 1195 } 1196 } 1197 1198 void 1199 cdf_dump(void *v, size_t len) 1200 { 1201 size_t i, j; 1202 unsigned char *p = v; 1203 char abuf[16]; 1204 (void)fprintf(stderr, "%.4x: ", 0); 1205 for (i = 0, j = 0; i < len; i++, p++) { 1206 (void)fprintf(stderr, "%.2x ", *p); 1207 abuf[j++] = isprint(*p) ? *p : '.'; 1208 if (j == 16) { 1209 j = 0; 1210 abuf[15] = '\0'; 1211 (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1212 abuf, i + 1); 1213 } 1214 } 1215 (void)fprintf(stderr, "\n"); 1216 } 1217 1218 void 1219 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst) 1220 { 1221 size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 1222 CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 1223 cdf_dump(sst->sst_tab, ss * sst->sst_len); 1224 } 1225 1226 void 1227 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1228 const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1229 const cdf_dir_t *dir) 1230 { 1231 size_t i, j; 1232 cdf_directory_t *d; 1233 char name[__arraycount(d->d_name)]; 1234 cdf_stream_t scn; 1235 struct timespec ts; 1236 1237 static const char *types[] = { "empty", "user storage", 1238 "user stream", "lockbytes", "property", "root storage" }; 1239 1240 for (i = 0; i < dir->dir_len; i++) { 1241 char buf[26]; 1242 d = &dir->dir_tab[i]; 1243 for (j = 0; j < sizeof(name); j++) 1244 name[j] = (char)CDF_TOLE2(d->d_name[j]); 1245 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1246 i, name); 1247 if (d->d_type < __arraycount(types)) 1248 (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1249 else 1250 (void)fprintf(stderr, "Type: %d\n", d->d_type); 1251 (void)fprintf(stderr, "Color: %s\n", 1252 d->d_color ? "black" : "red"); 1253 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1254 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1255 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags); 1256 cdf_timestamp_to_timespec(&ts, d->d_created); 1257 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1258 cdf_timestamp_to_timespec(&ts, d->d_modified); 1259 (void)fprintf(stderr, "Modified %s", 1260 cdf_ctime(&ts.tv_sec, buf)); 1261 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1262 (void)fprintf(stderr, "Size %d\n", d->d_size); 1263 switch (d->d_type) { 1264 case CDF_DIR_TYPE_USER_STORAGE: 1265 (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1266 break; 1267 case CDF_DIR_TYPE_USER_STREAM: 1268 if (sst == NULL) 1269 break; 1270 if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1271 d->d_stream_first_sector, d->d_size, &scn) == -1) { 1272 warn("Can't read stream for %s at %d len %d", 1273 name, d->d_stream_first_sector, d->d_size); 1274 break; 1275 } 1276 cdf_dump_stream(h, &scn); 1277 free(scn.sst_tab); 1278 break; 1279 default: 1280 break; 1281 } 1282 1283 } 1284 } 1285 1286 void 1287 cdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1288 { 1289 cdf_timestamp_t tp; 1290 struct timespec ts; 1291 char buf[64]; 1292 size_t i, j; 1293 1294 for (i = 0; i < count; i++) { 1295 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1296 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1297 switch (info[i].pi_type) { 1298 case CDF_NULL: 1299 break; 1300 case CDF_SIGNED16: 1301 (void)fprintf(stderr, "signed 16 [%hd]\n", 1302 info[i].pi_s16); 1303 break; 1304 case CDF_SIGNED32: 1305 (void)fprintf(stderr, "signed 32 [%d]\n", 1306 info[i].pi_s32); 1307 break; 1308 case CDF_UNSIGNED32: 1309 (void)fprintf(stderr, "unsigned 32 [%u]\n", 1310 info[i].pi_u32); 1311 break; 1312 case CDF_FLOAT: 1313 (void)fprintf(stderr, "float [%g]\n", 1314 info[i].pi_f); 1315 break; 1316 case CDF_DOUBLE: 1317 (void)fprintf(stderr, "double [%g]\n", 1318 info[i].pi_d); 1319 break; 1320 case CDF_LENGTH32_STRING: 1321 (void)fprintf(stderr, "string %u [%.*s]\n", 1322 info[i].pi_str.s_len, 1323 info[i].pi_str.s_len, info[i].pi_str.s_buf); 1324 break; 1325 case CDF_LENGTH32_WSTRING: 1326 (void)fprintf(stderr, "string %u [", 1327 info[i].pi_str.s_len); 1328 for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1329 (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1330 (void)fprintf(stderr, "]\n"); 1331 break; 1332 case CDF_FILETIME: 1333 tp = info[i].pi_tp; 1334 if (tp < 1000000000000000LL) { 1335 cdf_print_elapsed_time(buf, sizeof(buf), tp); 1336 (void)fprintf(stderr, "timestamp %s\n", buf); 1337 } else { 1338 char buf[26]; 1339 cdf_timestamp_to_timespec(&ts, tp); 1340 (void)fprintf(stderr, "timestamp %s", 1341 cdf_ctime(&ts.tv_sec, buf)); 1342 } 1343 break; 1344 case CDF_CLIPBOARD: 1345 (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1346 break; 1347 default: 1348 DPRINTF(("Don't know how to deal with %x\n", 1349 info[i].pi_type)); 1350 break; 1351 } 1352 } 1353 } 1354 1355 1356 void 1357 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1358 { 1359 char buf[128]; 1360 cdf_summary_info_header_t ssi; 1361 cdf_property_info_t *info; 1362 size_t count; 1363 1364 (void)&h; 1365 if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1366 return; 1367 (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order); 1368 (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1369 ssi.si_os_version >> 8); 1370 (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1371 cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1372 (void)fprintf(stderr, "Class %s\n", buf); 1373 (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1374 cdf_dump_property_info(info, count); 1375 free(info); 1376 } 1377 1378 1379 void 1380 cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) 1381 { 1382 cdf_catalog_t *cat; 1383 cdf_unpack_catalog(h, sst, &cat); 1384 const cdf_catalog_entry_t *ce = cat->cat_e; 1385 struct timespec ts; 1386 char tbuf[64], sbuf[256]; 1387 size_t i; 1388 1389 printf("Catalog:\n"); 1390 for (i = 0; i < cat->cat_num; i++) { 1391 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); 1392 printf("\t%d %s %s", ce[i].ce_num, 1393 cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), 1394 cdf_ctime(&ts.tv_sec, tbuf)); 1395 } 1396 free(cat); 1397 } 1398 1399 #endif 1400 1401 #ifdef TEST 1402 int 1403 main(int argc, char *argv[]) 1404 { 1405 int i; 1406 cdf_header_t h; 1407 cdf_sat_t sat, ssat; 1408 cdf_stream_t sst, scn; 1409 cdf_dir_t dir; 1410 cdf_info_t info; 1411 const cdf_directory_t *root; 1412 1413 if (argc < 2) { 1414 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1415 return -1; 1416 } 1417 1418 info.i_buf = NULL; 1419 info.i_len = 0; 1420 for (i = 1; i < argc; i++) { 1421 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1422 err(1, "Cannot open `%s'", argv[1]); 1423 1424 if (cdf_read_header(&info, &h) == -1) 1425 err(1, "Cannot read header"); 1426 #ifdef CDF_DEBUG 1427 cdf_dump_header(&h); 1428 #endif 1429 1430 if (cdf_read_sat(&info, &h, &sat) == -1) 1431 err(1, "Cannot read sat"); 1432 #ifdef CDF_DEBUG 1433 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1434 #endif 1435 1436 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1437 err(1, "Cannot read ssat"); 1438 #ifdef CDF_DEBUG 1439 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1440 #endif 1441 1442 if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1443 err(1, "Cannot read dir"); 1444 1445 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) 1446 == -1) 1447 err(1, "Cannot read short stream"); 1448 #ifdef CDF_DEBUG 1449 cdf_dump_stream(&h, &sst); 1450 #endif 1451 1452 #ifdef CDF_DEBUG 1453 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1454 #endif 1455 1456 1457 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1458 &scn) == -1) 1459 warn("Cannot read summary info"); 1460 #ifdef CDF_DEBUG 1461 else 1462 cdf_dump_summary_info(&h, &scn); 1463 #endif 1464 if (cdf_read_catalog(&info, &h, &sat, &ssat, &sst, &dir, 1465 &scn) == -1) 1466 warn("Cannot read catalog"); 1467 #ifdef CDF_DEBUG 1468 else 1469 cdf_dump_catalog(&h, &scn); 1470 #endif 1471 1472 (void)close(info.i_fd); 1473 } 1474 1475 return 0; 1476 } 1477 #endif 1478