contrib/file/src/cdf.c

   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
  38 FILE_RCSID("@(#)$File: cdf.c,v 1.50 2012/02/20 22:35:29 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
  66 static 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_GETUINT32(x, y)     cdf_getuint32(x, y)
  77
  78
  79 /*
  80  * swap a short
  81  */
  82 static uint16_t
  83 _cdf_tole2(uint16_t sv)
  84 {
  85         uint16_t rv;
  86         uint8_t *s = (uint8_t *)(void *)&sv;
  87         uint8_t *d = (uint8_t *)(void *)&rv;
  88         d[0] = s[1];
  89         d[1] = s[0];
  90         return rv;
  91 }
  92
  93 /*
  94  * swap an int
  95  */
  96 static uint32_t
  97 _cdf_tole4(uint32_t sv)
  98 {
  99         uint32_t rv;
 100         uint8_t *s = (uint8_t *)(void *)&sv;
 101         uint8_t *d = (uint8_t *)(void *)&rv;
 102         d[0] = s[3];
 103         d[1] = s[2];
 104         d[2] = s[1];
 105         d[3] = s[0];
 106         return rv;
 107 }
 108
 109 /*
 110  * swap a quad
 111  */
 112 static uint64_t
 113 _cdf_tole8(uint64_t sv)
 114 {
 115         uint64_t rv;
 116         uint8_t *s = (uint8_t *)(void *)&sv;
 117         uint8_t *d = (uint8_t *)(void *)&rv;
 118         d[0] = s[7];
 119         d[1] = s[6];
 120         d[2] = s[5];
 121         d[3] = s[4];
 122         d[4] = s[3];
 123         d[5] = s[2];
 124         d[6] = s[1];
 125         d[7] = s[0];
 126         return rv;
 127 }
 128
 129 /*
 130  * grab a uint32_t from a possibly unaligned address, and return it in
 131  * the native host order.
 132  */
 133 static uint32_t
 134 cdf_getuint32(const uint8_t *p, size_t offs)
 135 {
 136         uint32_t rv;
 137         (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
 138         return CDF_TOLE4(rv);
 139 }
 140
 141 #define CDF_UNPACK(a)   \
 142     (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
 143 #define CDF_UNPACKA(a)  \
 144     (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
 145
 146 uint16_t
 147 cdf_tole2(uint16_t sv)
 148 {
 149         return CDF_TOLE2(sv);
 150 }
 151
 152 uint32_t
 153 cdf_tole4(uint32_t sv)
 154 {
 155         return CDF_TOLE4(sv);
 156 }
 157
 158 uint64_t
 159 cdf_tole8(uint64_t sv)
 160 {
 161         return CDF_TOLE8(sv);
 162 }
 163
 164 void
 165 cdf_swap_header(cdf_header_t *h)
 166 {
 167         size_t i;
 168
 169         h->h_magic = CDF_TOLE8(h->h_magic);
 170         h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
 171         h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
 172         h->h_revision = CDF_TOLE2(h->h_revision);
 173         h->h_version = CDF_TOLE2(h->h_version);
 174         h->h_byte_order = CDF_TOLE2(h->h_byte_order);
 175         h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
 176         h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
 177         h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
 178         h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
 179         h->h_min_size_standard_stream =
 180             CDF_TOLE4(h->h_min_size_standard_stream);
 181         h->h_secid_first_sector_in_short_sat =
 182             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
 183         h->h_num_sectors_in_short_sat =
 184             CDF_TOLE4(h->h_num_sectors_in_short_sat);
 185         h->h_secid_first_sector_in_master_sat =
 186             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
 187         h->h_num_sectors_in_master_sat =
 188             CDF_TOLE4(h->h_num_sectors_in_master_sat);
 189         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 190                 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
 191 }
 192
 193 void
 194 cdf_unpack_header(cdf_header_t *h, char *buf)
 195 {
 196         size_t i;
 197         size_t len = 0;
 198
 199         CDF_UNPACK(h->h_magic);
 200         CDF_UNPACKA(h->h_uuid);
 201         CDF_UNPACK(h->h_revision);
 202         CDF_UNPACK(h->h_version);
 203         CDF_UNPACK(h->h_byte_order);
 204         CDF_UNPACK(h->h_sec_size_p2);
 205         CDF_UNPACK(h->h_short_sec_size_p2);
 206         CDF_UNPACKA(h->h_unused0);
 207         CDF_UNPACK(h->h_num_sectors_in_sat);
 208         CDF_UNPACK(h->h_secid_first_directory);
 209         CDF_UNPACKA(h->h_unused1);
 210         CDF_UNPACK(h->h_min_size_standard_stream);
 211         CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
 212         CDF_UNPACK(h->h_num_sectors_in_short_sat);
 213         CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
 214         CDF_UNPACK(h->h_num_sectors_in_master_sat);
 215         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 216                 CDF_UNPACK(h->h_master_sat[i]);
 217 }
 218
 219 void
 220 cdf_swap_dir(cdf_directory_t *d)
 221 {
 222         d->d_namelen = CDF_TOLE2(d->d_namelen);
 223         d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
 224         d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
 225         d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
 226         d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
 227         d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
 228         d->d_flags = CDF_TOLE4(d->d_flags);
 229         d->d_created = CDF_TOLE8((uint64_t)d->d_created);
 230         d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
 231         d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
 232         d->d_size = CDF_TOLE4(d->d_size);
 233 }
 234
 235 void
 236 cdf_swap_class(cdf_classid_t *d)
 237 {
 238         d->cl_dword = CDF_TOLE4(d->cl_dword);
 239         d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
 240         d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
 241 }
 242
 243 void
 244 cdf_unpack_dir(cdf_directory_t *d, char *buf)
 245 {
 246         size_t len = 0;
 247
 248         CDF_UNPACKA(d->d_name);
 249         CDF_UNPACK(d->d_namelen);
 250         CDF_UNPACK(d->d_type);
 251         CDF_UNPACK(d->d_color);
 252         CDF_UNPACK(d->d_left_child);
 253         CDF_UNPACK(d->d_right_child);
 254         CDF_UNPACK(d->d_storage);
 255         CDF_UNPACKA(d->d_storage_uuid);
 256         CDF_UNPACK(d->d_flags);
 257         CDF_UNPACK(d->d_created);
 258         CDF_UNPACK(d->d_modified);
 259         CDF_UNPACK(d->d_stream_first_sector);
 260         CDF_UNPACK(d->d_size);
 261         CDF_UNPACK(d->d_unused0);
 262 }
 263
 264 static int
 265 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
 266     const void *p, size_t tail, int line)
 267 {
 268         const char *b = (const char *)sst->sst_tab;
 269         const char *e = ((const char *)p) + tail;
 270         (void)&line;
 271         if (e >= b && (size_t)(e - b) < CDF_SEC_SIZE(h) * sst->sst_len)
 272                 return 0;
 273         DPRINTF(("%d: offset begin %p end %p %" SIZE_T_FORMAT "u"
 274             " >= %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
 275             SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
 276             CDF_SEC_SIZE(h) * sst->sst_len, CDF_SEC_SIZE(h), sst->sst_len));
 277         errno = EFTYPE;
 278         return -1;
 279 }
 280
 281 static ssize_t
 282 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
 283 {
 284         size_t siz = (size_t)off + len;
 285
 286         if ((off_t)(off + len) != (off_t)siz) {
 287                 errno = EINVAL;
 288                 return -1;
 289         }
 290
 291         if (info->i_buf != NULL && info->i_len >= siz) {
 292                 (void)memcpy(buf, &info->i_buf[off], len);
 293                 return (ssize_t)len;
 294         }
 295
 296         if (info->i_fd == -1)
 297                 return -1;
 298
 299         if (lseek(info->i_fd, off, SEEK_SET) == (off_t)-1)
 300                 return -1;
 301
 302         if (read(info->i_fd, buf, len) != (ssize_t)len)
 303                 return -1;
 304
 305         return (ssize_t)len;
 306 }
 307
 308 int
 309 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
 310 {
 311         char buf[512];
 312
 313         (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
 314         if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
 315                 return -1;
 316         cdf_unpack_header(h, buf);
 317         cdf_swap_header(h);
 318         if (h->h_magic != CDF_MAGIC) {
 319                 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
 320                     INT64_T_FORMAT "x\n",
 321                     (unsigned long long)h->h_magic,
 322                     (unsigned long long)CDF_MAGIC));
 323                 goto out;
 324         }
 325         if (h->h_sec_size_p2 > 20) {
 326                 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
 327                 goto out;
 328         }
 329         if (h->h_short_sec_size_p2 > 20) {
 330                 DPRINTF(("Bad short sector size 0x%u\n",
 331                     h->h_short_sec_size_p2));
 332                 goto out;
 333         }
 334         return 0;
 335 out:
 336         errno = EFTYPE;
 337         return -1;
 338 }
 339
 340
 341 ssize_t
 342 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
 343     const cdf_header_t *h, cdf_secid_t id)
 344 {
 345         size_t ss = CDF_SEC_SIZE(h);
 346         size_t pos = CDF_SEC_POS(h, id);
 347         assert(ss == len);
 348         return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
 349 }
 350
 351 ssize_t
 352 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
 353     size_t len, const cdf_header_t *h, cdf_secid_t id)
 354 {
 355         size_t ss = CDF_SHORT_SEC_SIZE(h);
 356         size_t pos = CDF_SHORT_SEC_POS(h, id);
 357         assert(ss == len);
 358         if (pos > CDF_SEC_SIZE(h) * sst->sst_len) {
 359                 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
 360                     SIZE_T_FORMAT "u\n",
 361                     pos, CDF_SEC_SIZE(h) * sst->sst_len));
 362                 return -1;
 363         }
 364         (void)memcpy(((char *)buf) + offs,
 365             ((const char *)sst->sst_tab) + pos, len);
 366         return len;
 367 }
 368
 369 /*
 370  * Read the sector allocation table.
 371  */
 372 int
 373 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
 374 {
 375         size_t i, j, k;
 376         size_t ss = CDF_SEC_SIZE(h);
 377         cdf_secid_t *msa, mid, sec;
 378         size_t nsatpersec = (ss / sizeof(mid)) - 1;
 379
 380         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 381                 if (h->h_master_sat[i] == CDF_SECID_FREE)
 382                         break;
 383
 384 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
 385         if ((nsatpersec > 0 &&
 386             h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
 387             i > CDF_SEC_LIMIT) {
 388                 DPRINTF(("Number of sectors in master SAT too big %u %"
 389                     SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
 390                 errno = EFTYPE;
 391                 return -1;
 392         }
 393
 394         sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
 395         DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
 396             sat->sat_len, ss));
 397         if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
 398             == NULL)
 399                 return -1;
 400
 401         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
 402                 if (h->h_master_sat[i] < 0)
 403                         break;
 404                 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 405                     h->h_master_sat[i]) != (ssize_t)ss) {
 406                         DPRINTF(("Reading sector %d", h->h_master_sat[i]));
 407                         goto out1;
 408                 }
 409         }
 410
 411         if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
 412                 goto out1;
 413
 414         mid = h->h_secid_first_sector_in_master_sat;
 415         for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
 416                 if (mid < 0)
 417                         goto out;
 418                 if (j >= CDF_LOOP_LIMIT) {
 419                         DPRINTF(("Reading master sector loop limit"));
 420                         errno = EFTYPE;
 421                         goto out2;
 422                 }
 423                 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
 424                         DPRINTF(("Reading master sector %d", mid));
 425                         goto out2;
 426                 }
 427                 for (k = 0; k < nsatpersec; k++, i++) {
 428                         sec = CDF_TOLE4((uint32_t)msa[k]);
 429                         if (sec < 0)
 430                                 goto out;
 431                         if (i >= sat->sat_len) {
 432                             DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
 433                                 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
 434                             errno = EFTYPE;
 435                             goto out2;
 436                         }
 437                         if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 438                             sec) != (ssize_t)ss) {
 439                                 DPRINTF(("Reading sector %d",
 440                                     CDF_TOLE4(msa[k])));
 441                                 goto out2;
 442                         }
 443                 }
 444                 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
 445         }
 446 out:
 447         sat->sat_len = i;
 448         free(msa);
 449         return 0;
 450 out2:
 451         free(msa);
 452 out1:
 453         free(sat->sat_tab);
 454         return -1;
 455 }
 456
 457 size_t
 458 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
 459 {
 460         size_t i, j;
 461         cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size);
 462
 463         DPRINTF(("Chain:"));
 464         for (j = i = 0; sid >= 0; i++, j++) {
 465                 DPRINTF((" %d", sid));
 466                 if (j >= CDF_LOOP_LIMIT) {
 467                         DPRINTF(("Counting chain loop limit"));
 468                         errno = EFTYPE;
 469                         return (size_t)-1;
 470                 }
 471                 if (sid > maxsector) {
 472                         DPRINTF(("Sector %d > %d\n", sid, maxsector));
 473                         errno = EFTYPE;
 474                         return (size_t)-1;
 475                 }
 476                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 477         }
 478         DPRINTF(("\n"));
 479         return i;
 480 }
 481
 482 int
 483 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 484     const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 485 {
 486         size_t ss = CDF_SEC_SIZE(h), i, j;
 487         ssize_t nr;
 488         scn->sst_len = cdf_count_chain(sat, sid, ss);
 489         scn->sst_dirlen = len;
 490
 491         if (scn->sst_len == (size_t)-1)
 492                 return -1;
 493
 494         scn->sst_tab = calloc(scn->sst_len, ss);
 495         if (scn->sst_tab == NULL)
 496                 return -1;
 497
 498         for (j = i = 0; sid >= 0; i++, j++) {
 499                 if (j >= CDF_LOOP_LIMIT) {
 500                         DPRINTF(("Read long sector chain loop limit"));
 501                         errno = EFTYPE;
 502                         goto out;
 503                 }
 504                 if (i >= scn->sst_len) {
 505                         DPRINTF(("Out of bounds reading long sector chain "
 506                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
 507                             scn->sst_len));
 508                         errno = EFTYPE;
 509                         goto out;
 510                 }
 511                 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
 512                     sid)) != (ssize_t)ss) {
 513                         if (i == scn->sst_len - 1 && nr > 0) {
 514                                 /* Last sector might be truncated */
 515                                 return 0;
 516                         }
 517                         DPRINTF(("Reading long sector chain %d", sid));
 518                         goto out;
 519                 }
 520                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 521         }
 522         return 0;
 523 out:
 524         free(scn->sst_tab);
 525         return -1;
 526 }
 527
 528 int
 529 cdf_read_short_sector_chain(const cdf_header_t *h,
 530     const cdf_sat_t *ssat, const cdf_stream_t *sst,
 531     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 532 {
 533         size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
 534         scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
 535         scn->sst_dirlen = len;
 536
 537         if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
 538                 return -1;
 539
 540         scn->sst_tab = calloc(scn->sst_len, ss);
 541         if (scn->sst_tab == NULL)
 542                 return -1;
 543
 544         for (j = i = 0; sid >= 0; i++, j++) {
 545                 if (j >= CDF_LOOP_LIMIT) {
 546                         DPRINTF(("Read short sector chain loop limit"));
 547                         errno = EFTYPE;
 548                         goto out;
 549                 }
 550                 if (i >= scn->sst_len) {
 551                         DPRINTF(("Out of bounds reading short sector chain "
 552                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
 553                             i, scn->sst_len));
 554                         errno = EFTYPE;
 555                         goto out;
 556                 }
 557                 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
 558                     sid) != (ssize_t)ss) {
 559                         DPRINTF(("Reading short sector chain %d", sid));
 560                         goto out;
 561                 }
 562                 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
 563         }
 564         return 0;
 565 out:
 566         free(scn->sst_tab);
 567         return -1;
 568 }
 569
 570 int
 571 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 572     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 573     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 574 {
 575
 576         if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
 577                 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
 578                     scn);
 579         else
 580                 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
 581 }
 582
 583 int
 584 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
 585     const cdf_sat_t *sat, cdf_dir_t *dir)
 586 {
 587         size_t i, j;
 588         size_t ss = CDF_SEC_SIZE(h), ns, nd;
 589         char *buf;
 590         cdf_secid_t sid = h->h_secid_first_directory;
 591
 592         ns = cdf_count_chain(sat, sid, ss);
 593         if (ns == (size_t)-1)
 594                 return -1;
 595
 596         nd = ss / CDF_DIRECTORY_SIZE;
 597
 598         dir->dir_len = ns * nd;
 599         dir->dir_tab = CAST(cdf_directory_t *,
 600             calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
 601         if (dir->dir_tab == NULL)
 602                 return -1;
 603
 604         if ((buf = CAST(char *, malloc(ss))) == NULL) {
 605                 free(dir->dir_tab);
 606                 return -1;
 607         }
 608
 609         for (j = i = 0; i < ns; i++, j++) {
 610                 if (j >= CDF_LOOP_LIMIT) {
 611                         DPRINTF(("Read dir loop limit"));
 612                         errno = EFTYPE;
 613                         goto out;
 614                 }
 615                 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
 616                         DPRINTF(("Reading directory sector %d", sid));
 617                         goto out;
 618                 }
 619                 for (j = 0; j < nd; j++) {
 620                         cdf_unpack_dir(&dir->dir_tab[i * nd + j],
 621                             &buf[j * CDF_DIRECTORY_SIZE]);
 622                 }
 623                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 624         }
 625         if (NEED_SWAP)
 626                 for (i = 0; i < dir->dir_len; i++)
 627                         cdf_swap_dir(&dir->dir_tab[i]);
 628         free(buf);
 629         return 0;
 630 out:
 631         free(dir->dir_tab);
 632         free(buf);
 633         return -1;
 634 }
 635
 636
 637 int
 638 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
 639     const cdf_sat_t *sat, cdf_sat_t *ssat)
 640 {
 641         size_t i, j;
 642         size_t ss = CDF_SEC_SIZE(h);
 643         cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
 644
 645         ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
 646         if (ssat->sat_len == (size_t)-1)
 647                 return -1;
 648
 649         ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
 650         if (ssat->sat_tab == NULL)
 651                 return -1;
 652
 653         for (j = i = 0; sid >= 0; i++, j++) {
 654                 if (j >= CDF_LOOP_LIMIT) {
 655                         DPRINTF(("Read short sat sector loop limit"));
 656                         errno = EFTYPE;
 657                         goto out;
 658                 }
 659                 if (i >= ssat->sat_len) {
 660                         DPRINTF(("Out of bounds reading short sector chain "
 661                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
 662                             ssat->sat_len));
 663                         errno = EFTYPE;
 664                         goto out;
 665                 }
 666                 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
 667                     (ssize_t)ss) {
 668                         DPRINTF(("Reading short sat sector %d", sid));
 669                         goto out;
 670                 }
 671                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 672         }
 673         return 0;
 674 out:
 675         free(ssat->sat_tab);
 676         return -1;
 677 }
 678
 679 int
 680 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
 681     const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
 682 {
 683         size_t i;
 684         const cdf_directory_t *d;
 685
 686         for (i = 0; i < dir->dir_len; i++)
 687                 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
 688                         break;
 689
 690         /* If the it is not there, just fake it; some docs don't have it */
 691         if (i == dir->dir_len)
 692                 goto out;
 693         d = &dir->dir_tab[i];
 694
 695         /* If the it is not there, just fake it; some docs don't have it */
 696         if (d->d_stream_first_sector < 0)
 697                 goto out;
 698
 699         return  cdf_read_long_sector_chain(info, h, sat,
 700             d->d_stream_first_sector, d->d_size, scn);
 701 out:
 702         scn->sst_tab = NULL;
 703         scn->sst_len = 0;
 704         scn->sst_dirlen = 0;
 705         return 0;
 706 }
 707
 708 static int
 709 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
 710 {
 711         for (; l--; d++, s++)
 712                 if (*d != CDF_TOLE2(*s))
 713                         return (unsigned char)*d - CDF_TOLE2(*s);
 714         return 0;
 715 }
 716
 717 int
 718 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
 719     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 720     const cdf_dir_t *dir, cdf_stream_t *scn)
 721 {
 722         size_t i;
 723         const cdf_directory_t *d;
 724         static const char name[] = "\05SummaryInformation";
 725
 726         for (i = dir->dir_len; i > 0; i--)
 727                 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
 728                     cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name))
 729                     == 0)
 730                         break;
 731
 732         if (i == 0) {
 733                 DPRINTF(("Cannot find summary information section\n"));
 734                 errno = ESRCH;
 735                 return -1;
 736         }
 737         d = &dir->dir_tab[i - 1];
 738         return cdf_read_sector_chain(info, h, sat, ssat, sst,
 739             d->d_stream_first_sector, d->d_size, scn);
 740 }
 741
 742 int
 743 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
 744     uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
 745 {
 746         const cdf_section_header_t *shp;
 747         cdf_section_header_t sh;
 748         const uint8_t *p, *q, *e;
 749         int16_t s16;
 750         int32_t s32;
 751         uint32_t u32;
 752         int64_t s64;
 753         uint64_t u64;
 754         cdf_timestamp_t tp;
 755         size_t i, o, o4, nelements, j;
 756         cdf_property_info_t *inp;
 757
 758         if (offs > UINT32_MAX / 4) {
 759                 errno = EFTYPE;
 760                 goto out;
 761         }
 762         shp = CAST(const cdf_section_header_t *, (const void *)
 763             ((const char *)sst->sst_tab + offs));
 764         if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
 765                 goto out;
 766         sh.sh_len = CDF_TOLE4(shp->sh_len);
 767 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
 768         if (sh.sh_len > CDF_SHLEN_LIMIT) {
 769                 errno = EFTYPE;
 770                 goto out;
 771         }
 772         sh.sh_properties = CDF_TOLE4(shp->sh_properties);
 773 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
 774         if (sh.sh_properties > CDF_PROP_LIMIT)
 775                 goto out;
 776         DPRINTF(("section len: %u properties %u\n", sh.sh_len,
 777             sh.sh_properties));
 778         if (*maxcount) {
 779                 if (*maxcount > CDF_PROP_LIMIT)
 780                         goto out;
 781                 *maxcount += sh.sh_properties;
 782                 inp = CAST(cdf_property_info_t *,
 783                     realloc(*info, *maxcount * sizeof(*inp)));
 784         } else {
 785                 *maxcount = sh.sh_properties;
 786                 inp = CAST(cdf_property_info_t *,
 787                     malloc(*maxcount * sizeof(*inp)));
 788         }
 789         if (inp == NULL)
 790                 goto out;
 791         *info = inp;
 792         inp += *count;
 793         *count += sh.sh_properties;
 794         p = CAST(const uint8_t *, (const void *)
 795             ((const char *)(const void *)sst->sst_tab +
 796             offs + sizeof(sh)));
 797         e = CAST(const uint8_t *, (const void *)
 798             (((const char *)(const void *)shp) + sh.sh_len));
 799         if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
 800                 goto out;
 801         for (i = 0; i < sh.sh_properties; i++) {
 802                 size_t ofs = CDF_GETUINT32(p, (i << 1) + 1);
 803                 q = (const uint8_t *)(const void *)
 804                     ((const char *)(const void *)p + ofs
 805                     - 2 * sizeof(uint32_t));
 806                 if (q > e) {
 807                         DPRINTF(("Ran of the end %p > %p\n", q, e));
 808                         goto out;
 809                 }
 810                 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
 811                 inp[i].pi_type = CDF_GETUINT32(q, 0);
 812                 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
 813                     i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
 814                 if (inp[i].pi_type & CDF_VECTOR) {
 815                         nelements = CDF_GETUINT32(q, 1);
 816                         o = 2;
 817                 } else {
 818                         nelements = 1;
 819                         o = 1;
 820                 }
 821                 o4 = o * sizeof(uint32_t);
 822                 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
 823                         goto unknown;
 824                 switch (inp[i].pi_type & CDF_TYPEMASK) {
 825                 case CDF_NULL:
 826                 case CDF_EMPTY:
 827                         break;
 828                 case CDF_SIGNED16:
 829                         if (inp[i].pi_type & CDF_VECTOR)
 830                                 goto unknown;
 831                         (void)memcpy(&s16, &q[o4], sizeof(s16));
 832                         inp[i].pi_s16 = CDF_TOLE2(s16);
 833                         break;
 834                 case CDF_SIGNED32:
 835                         if (inp[i].pi_type & CDF_VECTOR)
 836                                 goto unknown;
 837                         (void)memcpy(&s32, &q[o4], sizeof(s32));
 838                         inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
 839                         break;
 840                 case CDF_BOOL:
 841                 case CDF_UNSIGNED32:
 842                         if (inp[i].pi_type & CDF_VECTOR)
 843                                 goto unknown;
 844                         (void)memcpy(&u32, &q[o4], sizeof(u32));
 845                         inp[i].pi_u32 = CDF_TOLE4(u32);
 846                         break;
 847                 case CDF_SIGNED64:
 848                         if (inp[i].pi_type & CDF_VECTOR)
 849                                 goto unknown;
 850                         (void)memcpy(&s64, &q[o4], sizeof(s64));
 851                         inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
 852                         break;
 853                 case CDF_UNSIGNED64:
 854                         if (inp[i].pi_type & CDF_VECTOR)
 855                                 goto unknown;
 856                         (void)memcpy(&u64, &q[o4], sizeof(u64));
 857                         inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
 858                         break;
 859                 case CDF_FLOAT:
 860                         if (inp[i].pi_type & CDF_VECTOR)
 861                                 goto unknown;
 862                         (void)memcpy(&u32, &q[o4], sizeof(u32));
 863                         u32 = CDF_TOLE4(u32);
 864                         memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
 865                         break;
 866                 case CDF_DOUBLE:
 867                         if (inp[i].pi_type & CDF_VECTOR)
 868                                 goto unknown;
 869                         (void)memcpy(&u64, &q[o4], sizeof(u64));
 870                         u64 = CDF_TOLE8((uint64_t)u64);
 871                         memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
 872                         break;
 873                 case CDF_LENGTH32_STRING:
 874                 case CDF_LENGTH32_WSTRING:
 875                         if (nelements > 1) {
 876                                 size_t nelem = inp - *info;
 877                                 if (*maxcount > CDF_PROP_LIMIT
 878                                     || nelements > CDF_PROP_LIMIT)
 879                                         goto out;
 880                                 *maxcount += nelements;
 881                                 inp = CAST(cdf_property_info_t *,
 882                                     realloc(*info, *maxcount * sizeof(*inp)));
 883                                 if (inp == NULL)
 884                                         goto out;
 885                                 *info = inp;
 886                                 inp = *info + nelem;
 887                         }
 888                         DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
 889                             nelements));
 890                         for (j = 0; j < nelements; j++, i++) {
 891                                 uint32_t l = CDF_GETUINT32(q, o);
 892                                 inp[i].pi_str.s_len = l;
 893                                 inp[i].pi_str.s_buf = (const char *)
 894                                     (const void *)(&q[o4 + sizeof(l)]);
 895                                 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
 896                                     "u, s = %s\n", l,
 897                                     CDF_ROUND(l, sizeof(l)),
 898                                     inp[i].pi_str.s_buf));
 899                                 if (l & 1)
 900                                         l++;
 901                                 o += l >> 1;
 902                                 if (q + o >= e)
 903                                         goto out;
 904                                 o4 = o * sizeof(uint32_t);
 905                         }
 906                         i--;
 907                         break;
 908                 case CDF_FILETIME:
 909                         if (inp[i].pi_type & CDF_VECTOR)
 910                                 goto unknown;
 911                         (void)memcpy(&tp, &q[o4], sizeof(tp));
 912                         inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
 913                         break;
 914                 case CDF_CLIPBOARD:
 915                         if (inp[i].pi_type & CDF_VECTOR)
 916                                 goto unknown;
 917                         break;
 918                 default:
 919                 unknown:
 920                         DPRINTF(("Don't know how to deal with %x\n",
 921                             inp[i].pi_type));
 922                         break;
 923                 }
 924         }
 925         return 0;
 926 out:
 927         free(*info);
 928         return -1;
 929 }
 930
 931 int
 932 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
 933     cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
 934 {
 935         size_t i, maxcount;
 936         const cdf_summary_info_header_t *si =
 937             CAST(const cdf_summary_info_header_t *, sst->sst_tab);
 938         const cdf_section_declaration_t *sd =
 939             CAST(const cdf_section_declaration_t *, (const void *)
 940             ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
 941
 942         if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
 943             cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
 944                 return -1;
 945         ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
 946         ssi->si_os_version = CDF_TOLE2(si->si_os_version);
 947         ssi->si_os = CDF_TOLE2(si->si_os);
 948         ssi->si_class = si->si_class;
 949         cdf_swap_class(&ssi->si_class);
 950         ssi->si_count = CDF_TOLE2(si->si_count);
 951         *count = 0;
 952         maxcount = 0;
 953         *info = NULL;
 954         for (i = 0; i < CDF_TOLE4(si->si_count); i++) {
 955                 if (i >= CDF_LOOP_LIMIT) {
 956                         DPRINTF(("Unpack summary info loop limit"));
 957                         errno = EFTYPE;
 958                         return -1;
 959                 }
 960                 if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset),
 961                     info, count, &maxcount) == -1) {
 962                         return -1;
 963                 }
 964         }
 965         return 0;
 966 }
 967
 968
 969
 970 int
 971 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
 972 {
 973         return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
 974             "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
 975             id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
 976             id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
 977             id->cl_six[5]);
 978 }
 979
 980 static const struct {
 981         uint32_t v;
 982         const char *n;
 983 } vn[] = {
 984         { CDF_PROPERTY_CODE_PAGE, "Code page" },
 985         { CDF_PROPERTY_TITLE, "Title" },
 986         { CDF_PROPERTY_SUBJECT, "Subject" },
 987         { CDF_PROPERTY_AUTHOR, "Author" },
 988         { CDF_PROPERTY_KEYWORDS, "Keywords" },
 989         { CDF_PROPERTY_COMMENTS, "Comments" },
 990         { CDF_PROPERTY_TEMPLATE, "Template" },
 991         { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
 992         { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
 993         { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
 994         { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
 995         { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
 996         { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
 997         { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
 998         { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
 999         { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1000         { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1001         { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1002         { CDF_PROPERTY_SECURITY, "Security" },
1003         { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1004 };
1005
1006 int
1007 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1008 {
1009         size_t i;
1010
1011         for (i = 0; i < __arraycount(vn); i++)
1012                 if (vn[i].v == p)
1013                         return snprintf(buf, bufsiz, "%s", vn[i].n);
1014         return snprintf(buf, bufsiz, "0x%x", p);
1015 }
1016
1017 int
1018 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1019 {
1020         int len = 0;
1021         int days, hours, mins, secs;
1022
1023         ts /= CDF_TIME_PREC;
1024         secs = (int)(ts % 60);
1025         ts /= 60;
1026         mins = (int)(ts % 60);
1027         ts /= 60;
1028         hours = (int)(ts % 24);
1029         ts /= 24;
1030         days = (int)ts;
1031
1032         if (days) {
1033                 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1034                 if ((size_t)len >= bufsiz)
1035                         return len;
1036         }
1037
1038         if (days || hours) {
1039                 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1040                 if ((size_t)len >= bufsiz)
1041                         return len;
1042         }
1043
1044         len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1045         if ((size_t)len >= bufsiz)
1046                 return len;
1047
1048         len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1049         return len;
1050 }
1051
1052
1053 #ifdef CDF_DEBUG
1054 void
1055 cdf_dump_header(const cdf_header_t *h)
1056 {
1057         size_t i;
1058
1059 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1060 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1061     h->h_ ## b, 1 << h->h_ ## b)
1062         DUMP("%d", revision);
1063         DUMP("%d", version);
1064         DUMP("0x%x", byte_order);
1065         DUMP2("%d", sec_size_p2);
1066         DUMP2("%d", short_sec_size_p2);
1067         DUMP("%d", num_sectors_in_sat);
1068         DUMP("%d", secid_first_directory);
1069         DUMP("%d", min_size_standard_stream);
1070         DUMP("%d", secid_first_sector_in_short_sat);
1071         DUMP("%d", num_sectors_in_short_sat);
1072         DUMP("%d", secid_first_sector_in_master_sat);
1073         DUMP("%d", num_sectors_in_master_sat);
1074         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1075                 if (h->h_master_sat[i] == CDF_SECID_FREE)
1076                         break;
1077                 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n",
1078                     "master_sat", i, h->h_master_sat[i]);
1079         }
1080 }
1081
1082 void
1083 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1084 {
1085         size_t i, j, s = size / sizeof(cdf_secid_t);
1086
1087         for (i = 0; i < sat->sat_len; i++) {
1088                 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1089                     SIZE_T_FORMAT "u: ", prefix, i, i * s);
1090                 for (j = 0; j < s; j++) {
1091                         (void)fprintf(stderr, "%5d, ",
1092                             CDF_TOLE4(sat->sat_tab[s * i + j]));
1093                         if ((j + 1) % 10 == 0)
1094                                 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1095                                     "u: ", i * s + j + 1);
1096                 }
1097                 (void)fprintf(stderr, "\n");
1098         }
1099 }
1100
1101 void
1102 cdf_dump(void *v, size_t len)
1103 {
1104         size_t i, j;
1105         unsigned char *p = v;
1106         char abuf[16];
1107         (void)fprintf(stderr, "%.4x: ", 0);
1108         for (i = 0, j = 0; i < len; i++, p++) {
1109                 (void)fprintf(stderr, "%.2x ", *p);
1110                 abuf[j++] = isprint(*p) ? *p : '.';
1111                 if (j == 16) {
1112                         j = 0;
1113                         abuf[15] = '\0';
1114                         (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1115                             abuf, i + 1);
1116                 }
1117         }
1118         (void)fprintf(stderr, "\n");
1119 }
1120
1121 void
1122 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1123 {
1124         size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1125             CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1126         cdf_dump(sst->sst_tab, ss * sst->sst_len);
1127 }
1128
1129 void
1130 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1131     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1132     const cdf_dir_t *dir)
1133 {
1134         size_t i, j;
1135         cdf_directory_t *d;
1136         char name[__arraycount(d->d_name)];
1137         cdf_stream_t scn;
1138         struct timespec ts;
1139
1140         static const char *types[] = { "empty", "user storage",
1141             "user stream", "lockbytes", "property", "root storage" };
1142
1143         for (i = 0; i < dir->dir_len; i++) {
1144                 d = &dir->dir_tab[i];
1145                 for (j = 0; j < sizeof(name); j++)
1146                         name[j] = (char)CDF_TOLE2(d->d_name[j]);
1147                 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1148                     i, name);
1149                 if (d->d_type < __arraycount(types))
1150                         (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1151                 else
1152                         (void)fprintf(stderr, "Type: %d\n", d->d_type);
1153                 (void)fprintf(stderr, "Color: %s\n",
1154                     d->d_color ? "black" : "red");
1155                 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1156                 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1157                 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1158                 cdf_timestamp_to_timespec(&ts, d->d_created);
1159                 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec));
1160                 cdf_timestamp_to_timespec(&ts, d->d_modified);
1161                 (void)fprintf(stderr, "Modified %s", cdf_ctime(&ts.tv_sec));
1162                 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1163                 (void)fprintf(stderr, "Size %d\n", d->d_size);
1164                 switch (d->d_type) {
1165                 case CDF_DIR_TYPE_USER_STORAGE:
1166                         (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1167                         break;
1168                 case CDF_DIR_TYPE_USER_STREAM:
1169                         if (sst == NULL)
1170                                 break;
1171                         if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1172                             d->d_stream_first_sector, d->d_size, &scn) == -1) {
1173                                 warn("Can't read stream for %s at %d len %d",
1174                                     name, d->d_stream_first_sector, d->d_size);
1175                                 break;
1176                         }
1177                         cdf_dump_stream(h, &scn);
1178                         free(scn.sst_tab);
1179                         break;
1180                 default:
1181                         break;
1182                 }
1183
1184         }
1185 }
1186
1187 void
1188 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1189 {
1190         cdf_timestamp_t tp;
1191         struct timespec ts;
1192         char buf[64];
1193         size_t i, j;
1194
1195         for (i = 0; i < count; i++) {
1196                 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1197                 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1198                 switch (info[i].pi_type) {
1199                 case CDF_NULL:
1200                         break;
1201                 case CDF_SIGNED16:
1202                         (void)fprintf(stderr, "signed 16 [%hd]\n",
1203                             info[i].pi_s16);
1204                         break;
1205                 case CDF_SIGNED32:
1206                         (void)fprintf(stderr, "signed 32 [%d]\n",
1207                             info[i].pi_s32);
1208                         break;
1209                 case CDF_UNSIGNED32:
1210                         (void)fprintf(stderr, "unsigned 32 [%u]\n",
1211                             info[i].pi_u32);
1212                         break;
1213                 case CDF_FLOAT:
1214                         (void)fprintf(stderr, "float [%g]\n",
1215                             info[i].pi_f);
1216                         break;
1217                 case CDF_DOUBLE:
1218                         (void)fprintf(stderr, "double [%g]\n",
1219                             info[i].pi_d);
1220                         break;
1221                 case CDF_LENGTH32_STRING:
1222                         (void)fprintf(stderr, "string %u [%.*s]\n",
1223                             info[i].pi_str.s_len,
1224                             info[i].pi_str.s_len, info[i].pi_str.s_buf);
1225                         break;
1226                 case CDF_LENGTH32_WSTRING:
1227                         (void)fprintf(stderr, "string %u [",
1228                             info[i].pi_str.s_len);
1229                         for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1230                             (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1231                         (void)fprintf(stderr, "]\n");
1232                         break;
1233                 case CDF_FILETIME:
1234                         tp = info[i].pi_tp;
1235                         if (tp < 1000000000000000LL) {
1236                                 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1237                                 (void)fprintf(stderr, "timestamp %s\n", buf);
1238                         } else {
1239                                 cdf_timestamp_to_timespec(&ts, tp);
1240                                 (void)fprintf(stderr, "timestamp %s",
1241                                     cdf_ctime(&ts.tv_sec));
1242                         }
1243                         break;
1244                 case CDF_CLIPBOARD:
1245                         (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1246                         break;
1247                 default:
1248                         DPRINTF(("Don't know how to deal with %x\n",
1249                             info[i].pi_type));
1250                         break;
1251                 }
1252         }
1253 }
1254
1255
1256 void
1257 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1258 {
1259         char buf[128];
1260         cdf_summary_info_header_t ssi;
1261         cdf_property_info_t *info;
1262         size_t count;
1263
1264         (void)&h;
1265         if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1266                 return;
1267         (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1268         (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1269                 ssi.si_os_version >> 8);
1270         (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1271         cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1272         (void)fprintf(stderr, "Class %s\n", buf);
1273         (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1274         cdf_dump_property_info(info, count);
1275         free(info);
1276 }
1277
1278 #endif
1279
1280 #ifdef TEST
1281 int
1282 main(int argc, char *argv[])
1283 {
1284         int i;
1285         cdf_header_t h;
1286         cdf_sat_t sat, ssat;
1287         cdf_stream_t sst, scn;
1288         cdf_dir_t dir;
1289         cdf_info_t info;
1290
1291         if (argc < 2) {
1292                 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1293                 return -1;
1294         }
1295
1296         info.i_buf = NULL;
1297         info.i_len = 0;
1298         for (i = 1; i < argc; i++) {
1299                 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1300                         err(1, "Cannot open `%s'", argv[1]);
1301
1302                 if (cdf_read_header(&info, &h) == -1)
1303                         err(1, "Cannot read header");
1304 #ifdef CDF_DEBUG
1305                 cdf_dump_header(&h);
1306 #endif
1307
1308                 if (cdf_read_sat(&info, &h, &sat) == -1)
1309                         err(1, "Cannot read sat");
1310 #ifdef CDF_DEBUG
1311                 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1312 #endif
1313
1314                 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1315                         err(1, "Cannot read ssat");
1316 #ifdef CDF_DEBUG
1317                 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1318 #endif
1319
1320                 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1321                         err(1, "Cannot read dir");
1322
1323                 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
1324                         err(1, "Cannot read short stream");
1325 #ifdef CDF_DEBUG
1326                 cdf_dump_stream(&h, &sst);
1327 #endif
1328
1329 #ifdef CDF_DEBUG
1330                 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1331 #endif
1332
1333
1334                 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1335                     &scn) == -1)
1336                         err(1, "Cannot read summary info");
1337 #ifdef CDF_DEBUG
1338                 cdf_dump_summary_info(&h, &scn);
1339 #endif
1340
1341                 (void)close(info.i_fd);
1342         }
1343
1344         return 0;
1345 }
1346 #endif