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
  32 #include "file.h"
  33
  34 #ifndef lint
  35 FILE_RCSID("@(#)$File: cdf.c,v 1.36 2010/01/22 20:56:26 christos Exp $")
  36 #endif
  37
  38 #include <assert.h>
  39 #ifdef CDF_DEBUG
  40 #include <err.h>
  41 #endif
  42 #include <stdlib.h>
  43 #include <unistd.h>
  44 #include <string.h>
  45 #include <time.h>
  46 #include <ctype.h>
  47 #ifdef HAVE_LIMITS_H
  48 #include <limits.h>
  49 #endif
  50
  51 #ifndef EFTYPE
  52 #define EFTYPE EINVAL
  53 #endif
  54
  55 #include "cdf.h"
  56
  57 #ifndef __arraycount
  58 #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
  59 #endif
  60
  61 #ifdef CDF_DEBUG
  62 #define DPRINTF(a) printf a, fflush(stdout)
  63 #else
  64 #define DPRINTF(a)
  65 #endif
  66
  67 static union {
  68         char s[4];
  69         uint32_t u;
  70 } cdf_bo;
  71
  72 #define NEED_SWAP       (cdf_bo.u == (uint32_t)0x01020304)
  73
  74 #define CDF_TOLE8(x)    ((uint64_t)(NEED_SWAP ? cdf_tole8(x) : (uint64_t)(x)))
  75 #define CDF_TOLE4(x)    ((uint32_t)(NEED_SWAP ? cdf_tole4(x) : (uint32_t)(x)))
  76 #define CDF_TOLE2(x)    ((uint16_t)(NEED_SWAP ? cdf_tole2(x) : (uint16_t)(x)))
  77
  78 /*
  79  * swap a short
  80  */
  81 uint16_t
  82 cdf_tole2(uint16_t sv)
  83 {
  84         uint16_t rv;
  85         uint8_t *s = (uint8_t *)(void *)&sv;
  86         uint8_t *d = (uint8_t *)(void *)&rv;
  87         d[0] = s[1];
  88         d[1] = s[0];
  89         return rv;
  90 }
  91
  92 /*
  93  * swap an int
  94  */
  95 uint32_t
  96 cdf_tole4(uint32_t sv)
  97 {
  98         uint32_t rv;
  99         uint8_t *s = (uint8_t *)(void *)&sv;
 100         uint8_t *d = (uint8_t *)(void *)&rv;
 101         d[0] = s[3];
 102         d[1] = s[2];
 103         d[2] = s[1];
 104         d[3] = s[0];
 105         return rv;
 106 }
 107
 108 /*
 109  * swap a quad
 110  */
 111 uint64_t
 112 cdf_tole8(uint64_t sv)
 113 {
 114         uint64_t rv;
 115         uint8_t *s = (uint8_t *)(void *)&sv;
 116         uint8_t *d = (uint8_t *)(void *)&rv;
 117         d[0] = s[7];
 118         d[1] = s[6];
 119         d[2] = s[5];
 120         d[3] = s[4];
 121         d[4] = s[3];
 122         d[5] = s[2];
 123         d[6] = s[1];
 124         d[7] = s[0];
 125         return rv;
 126 }
 127
 128 #define CDF_UNPACK(a)   \
 129     (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
 130 #define CDF_UNPACKA(a)  \
 131     (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
 132
 133 void
 134 cdf_swap_header(cdf_header_t *h)
 135 {
 136         size_t i;
 137
 138         h->h_magic = CDF_TOLE8(h->h_magic);
 139         h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
 140         h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
 141         h->h_revision = CDF_TOLE2(h->h_revision);
 142         h->h_version = CDF_TOLE2(h->h_version);
 143         h->h_byte_order = CDF_TOLE2(h->h_byte_order);
 144         h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
 145         h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
 146         h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
 147         h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
 148         h->h_min_size_standard_stream =
 149             CDF_TOLE4(h->h_min_size_standard_stream);
 150         h->h_secid_first_sector_in_short_sat =
 151             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
 152         h->h_num_sectors_in_short_sat =
 153             CDF_TOLE4(h->h_num_sectors_in_short_sat);
 154         h->h_secid_first_sector_in_master_sat =
 155             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
 156         h->h_num_sectors_in_master_sat =
 157             CDF_TOLE4(h->h_num_sectors_in_master_sat);
 158         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 159                 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
 160 }
 161
 162 void
 163 cdf_unpack_header(cdf_header_t *h, char *buf)
 164 {
 165         size_t i;
 166         size_t len = 0;
 167
 168         CDF_UNPACK(h->h_magic);
 169         CDF_UNPACKA(h->h_uuid);
 170         CDF_UNPACK(h->h_revision);
 171         CDF_UNPACK(h->h_version);
 172         CDF_UNPACK(h->h_byte_order);
 173         CDF_UNPACK(h->h_sec_size_p2);
 174         CDF_UNPACK(h->h_short_sec_size_p2);
 175         CDF_UNPACKA(h->h_unused0);
 176         CDF_UNPACK(h->h_num_sectors_in_sat);
 177         CDF_UNPACK(h->h_secid_first_directory);
 178         CDF_UNPACKA(h->h_unused1);
 179         CDF_UNPACK(h->h_min_size_standard_stream);
 180         CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
 181         CDF_UNPACK(h->h_num_sectors_in_short_sat);
 182         CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
 183         CDF_UNPACK(h->h_num_sectors_in_master_sat);
 184         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 185                 CDF_UNPACK(h->h_master_sat[i]);
 186 }
 187
 188 void
 189 cdf_swap_dir(cdf_directory_t *d)
 190 {
 191         d->d_namelen = CDF_TOLE2(d->d_namelen);
 192         d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
 193         d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
 194         d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
 195         d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
 196         d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
 197         d->d_flags = CDF_TOLE4(d->d_flags);
 198         d->d_created = CDF_TOLE8((uint64_t)d->d_created);
 199         d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
 200         d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
 201         d->d_size = CDF_TOLE4(d->d_size);
 202 }
 203
 204 void
 205 cdf_swap_class(cdf_classid_t *d)
 206 {
 207         d->cl_dword = CDF_TOLE4(d->cl_dword);
 208         d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
 209         d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
 210 }
 211
 212 void
 213 cdf_unpack_dir(cdf_directory_t *d, char *buf)
 214 {
 215         size_t len = 0;
 216
 217         CDF_UNPACKA(d->d_name);
 218         CDF_UNPACK(d->d_namelen);
 219         CDF_UNPACK(d->d_type);
 220         CDF_UNPACK(d->d_color);
 221         CDF_UNPACK(d->d_left_child);
 222         CDF_UNPACK(d->d_right_child);
 223         CDF_UNPACK(d->d_storage);
 224         CDF_UNPACKA(d->d_storage_uuid);
 225         CDF_UNPACK(d->d_flags);
 226         CDF_UNPACK(d->d_created);
 227         CDF_UNPACK(d->d_modified);
 228         CDF_UNPACK(d->d_stream_first_sector);
 229         CDF_UNPACK(d->d_size);
 230         CDF_UNPACK(d->d_unused0);
 231 }
 232
 233 static int
 234 cdf_check_stream_offset(const cdf_stream_t *sst, const void *p, size_t tail,
 235     int line)
 236 {
 237         const char *b = (const char *)sst->sst_tab;
 238         const char *e = ((const char *)p) + tail;
 239         (void)&line;
 240         if (e >= b && (size_t)(e - b) < sst->sst_dirlen * sst->sst_len)
 241                 return 0;
 242         DPRINTF(("%d: offset begin %p end %p %zu >= %zu [%zu %zu]\n",
 243             line, b, e, (size_t)(e - b), sst->sst_dirlen * sst->sst_len,
 244             sst->sst_dirlen, sst->sst_len));
 245         errno = EFTYPE;
 246         return -1;
 247 }
 248
 249 static ssize_t
 250 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
 251 {
 252         size_t siz = (size_t)off + len;
 253
 254         if ((off_t)(off + len) != (off_t)siz) {
 255                 errno = EINVAL;
 256                 return -1;
 257         }
 258
 259         if (info->i_buf != NULL && info->i_len >= siz) {
 260                 (void)memcpy(buf, &info->i_buf[off], len);
 261                 return (ssize_t)len;
 262         }
 263
 264         if (info->i_fd == -1)
 265                 return -1;
 266
 267         if (lseek(info->i_fd, off, SEEK_SET) == (off_t)-1)
 268                 return -1;
 269
 270         if (read(info->i_fd, buf, len) != (ssize_t)len)
 271                 return -1;
 272
 273         return (ssize_t)len;
 274 }
 275
 276 int
 277 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
 278 {
 279         char buf[512];
 280
 281         (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
 282         if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
 283                 return -1;
 284         cdf_unpack_header(h, buf);
 285         cdf_swap_header(h);
 286         if (h->h_magic != CDF_MAGIC) {
 287                 DPRINTF(("Bad magic 0x%llx != 0x%llx\n",
 288                     (unsigned long long)h->h_magic,
 289                     (unsigned long long)CDF_MAGIC));
 290                 goto out;
 291         }
 292         if (h->h_sec_size_p2 > 20) {
 293                 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
 294                 goto out;
 295         }
 296         if (h->h_short_sec_size_p2 > 20) {
 297                 DPRINTF(("Bad short sector size 0x%u\n",
 298                     h->h_short_sec_size_p2));
 299                 goto out;
 300         }
 301         return 0;
 302 out:
 303         errno = EFTYPE;
 304         return -1;
 305 }
 306
 307
 308 ssize_t
 309 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
 310     const cdf_header_t *h, cdf_secid_t id)
 311 {
 312         assert((size_t)CDF_SEC_SIZE(h) == len);
 313         return cdf_read(info, (off_t)CDF_SEC_POS(h, id),
 314             ((char *)buf) + offs, len);
 315 }
 316
 317 ssize_t
 318 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
 319     size_t len, const cdf_header_t *h, cdf_secid_t id)
 320 {
 321         assert((size_t)CDF_SHORT_SEC_SIZE(h) == len);
 322         (void)memcpy(((char *)buf) + offs,
 323             ((const char *)sst->sst_tab) + CDF_SHORT_SEC_POS(h, id), len);
 324         return len;
 325 }
 326
 327 /*
 328  * Read the sector allocation table.
 329  */
 330 int
 331 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
 332 {
 333         size_t i, j, k;
 334         size_t ss = CDF_SEC_SIZE(h);
 335         cdf_secid_t *msa, mid, sec;
 336         size_t nsatpersec = (ss / sizeof(mid)) - 1;
 337
 338         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 339                 if (h->h_master_sat[i] == CDF_SECID_FREE)
 340                         break;
 341
 342 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
 343         if (h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec ||
 344             i > CDF_SEC_LIMIT) {
 345                 DPRINTF(("Number of sectors in master SAT too big %u %zu\n",
 346                     h->h_num_sectors_in_master_sat, i));
 347                 errno = EFTYPE;
 348                 return -1;
 349         }
 350
 351         sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
 352         DPRINTF(("sat_len = %zu ss = %zu\n", sat->sat_len, ss));
 353         if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
 354             == NULL)
 355                 return -1;
 356
 357         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
 358                 if (h->h_master_sat[i] < 0)
 359                         break;
 360                 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 361                     h->h_master_sat[i]) != (ssize_t)ss) {
 362                         DPRINTF(("Reading sector %d", h->h_master_sat[i]));
 363                         goto out1;
 364                 }
 365         }
 366
 367         if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
 368                 goto out1;
 369
 370         mid = h->h_secid_first_sector_in_master_sat;
 371         for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
 372                 if (mid < 0)
 373                         goto out;
 374                 if (j >= CDF_LOOP_LIMIT) {
 375                         DPRINTF(("Reading master sector loop limit"));
 376                         errno = EFTYPE;
 377                         goto out2;
 378                 }
 379                 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
 380                         DPRINTF(("Reading master sector %d", mid));
 381                         goto out2;
 382                 }
 383                 for (k = 0; k < nsatpersec; k++, i++) {
 384                         sec = CDF_TOLE4((uint32_t)msa[k]);
 385                         if (sec < 0)
 386                                 goto out;
 387                         if (i >= sat->sat_len) {
 388                             DPRINTF(("Out of bounds reading MSA %u >= %u",
 389                                 i, sat->sat_len));
 390                             errno = EFTYPE;
 391                             goto out2;
 392                         }
 393                         if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 394                             sec) != (ssize_t)ss) {
 395                                 DPRINTF(("Reading sector %d",
 396                                     CDF_TOLE4(msa[k])));
 397                                 goto out2;
 398                         }
 399                 }
 400                 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
 401         }
 402 out:
 403         sat->sat_len = i;
 404         free(msa);
 405         return 0;
 406 out2:
 407         free(msa);
 408 out1:
 409         free(sat->sat_tab);
 410         return -1;
 411 }
 412
 413 size_t
 414 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
 415 {
 416         size_t i, j;
 417         cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size);
 418
 419         DPRINTF(("Chain:"));
 420         for (j = i = 0; sid >= 0; i++, j++) {
 421                 DPRINTF((" %d", sid));
 422                 if (j >= CDF_LOOP_LIMIT) {
 423                         DPRINTF(("Counting chain loop limit"));
 424                         errno = EFTYPE;
 425                         return (size_t)-1;
 426                 }
 427                 if (sid > maxsector) {
 428                         DPRINTF(("Sector %d > %d\n", sid, maxsector));
 429                         errno = EFTYPE;
 430                         return (size_t)-1;
 431                 }
 432                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 433         }
 434         DPRINTF(("\n"));
 435         return i;
 436 }
 437
 438 int
 439 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 440     const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 441 {
 442         size_t ss = CDF_SEC_SIZE(h), i, j;
 443         ssize_t nr;
 444         scn->sst_len = cdf_count_chain(sat, sid, ss);
 445         scn->sst_dirlen = len;
 446
 447         if (scn->sst_len == (size_t)-1)
 448                 return -1;
 449
 450         scn->sst_tab = calloc(scn->sst_len, ss);
 451         if (scn->sst_tab == NULL)
 452                 return -1;
 453
 454         for (j = i = 0; sid >= 0; i++, j++) {
 455                 if (j >= CDF_LOOP_LIMIT) {
 456                         DPRINTF(("Read long sector chain loop limit"));
 457                         errno = EFTYPE;
 458                         goto out;
 459                 }
 460                 if (i >= scn->sst_len) {
 461                         DPRINTF(("Out of bounds reading long sector chain "
 462                             "%u > %u\n", i, scn->sst_len));
 463                         errno = EFTYPE;
 464                         goto out;
 465                 }
 466                 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
 467                     sid)) != (ssize_t)ss) {
 468                         if (i == scn->sst_len - 1 && nr > 0) {
 469                                 /* Last sector might be truncated */
 470                                 return 0;
 471                         }
 472                         DPRINTF(("Reading long sector chain %d", sid));
 473                         goto out;
 474                 }
 475                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 476         }
 477         return 0;
 478 out:
 479         free(scn->sst_tab);
 480         return -1;
 481 }
 482
 483 int
 484 cdf_read_short_sector_chain(const cdf_header_t *h,
 485     const cdf_sat_t *ssat, const cdf_stream_t *sst,
 486     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 487 {
 488         size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
 489         scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
 490         scn->sst_dirlen = len;
 491
 492         if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
 493                 return -1;
 494
 495         scn->sst_tab = calloc(scn->sst_len, ss);
 496         if (scn->sst_tab == NULL)
 497                 return -1;
 498
 499         for (j = i = 0; sid >= 0; i++, j++) {
 500                 if (j >= CDF_LOOP_LIMIT) {
 501                         DPRINTF(("Read short sector chain loop limit"));
 502                         errno = EFTYPE;
 503                         goto out;
 504                 }
 505                 if (i >= scn->sst_len) {
 506                         DPRINTF(("Out of bounds reading short sector chain "
 507                             "%u > %u\n", i, scn->sst_len));
 508                         errno = EFTYPE;
 509                         goto out;
 510                 }
 511                 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
 512                     sid) != (ssize_t)ss) {
 513                         DPRINTF(("Reading short sector chain %d", sid));
 514                         goto out;
 515                 }
 516                 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
 517         }
 518         return 0;
 519 out:
 520         free(scn->sst_tab);
 521         return -1;
 522 }
 523
 524 int
 525 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 526     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 527     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 528 {
 529
 530         if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
 531                 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
 532                     scn);
 533         else
 534                 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
 535 }
 536
 537 int
 538 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
 539     const cdf_sat_t *sat, cdf_dir_t *dir)
 540 {
 541         size_t i, j;
 542         size_t ss = CDF_SEC_SIZE(h), ns, nd;
 543         char *buf;
 544         cdf_secid_t sid = h->h_secid_first_directory;
 545
 546         ns = cdf_count_chain(sat, sid, ss);
 547         if (ns == (size_t)-1)
 548                 return -1;
 549
 550         nd = ss / CDF_DIRECTORY_SIZE;
 551
 552         dir->dir_len = ns * nd;
 553         dir->dir_tab = CAST(cdf_directory_t *,
 554             calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
 555         if (dir->dir_tab == NULL)
 556                 return -1;
 557
 558         if ((buf = CAST(char *, malloc(ss))) == NULL) {
 559                 free(dir->dir_tab);
 560                 return -1;
 561         }
 562
 563         for (j = i = 0; i < ns; i++, j++) {
 564                 if (j >= CDF_LOOP_LIMIT) {
 565                         DPRINTF(("Read dir loop limit"));
 566                         errno = EFTYPE;
 567                         goto out;
 568                 }
 569                 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
 570                         DPRINTF(("Reading directory sector %d", sid));
 571                         goto out;
 572                 }
 573                 for (j = 0; j < nd; j++) {
 574                         cdf_unpack_dir(&dir->dir_tab[i * nd + j],
 575                             &buf[j * CDF_DIRECTORY_SIZE]);
 576                 }
 577                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 578         }
 579         if (NEED_SWAP)
 580                 for (i = 0; i < dir->dir_len; i++)
 581                         cdf_swap_dir(&dir->dir_tab[i]);
 582         free(buf);
 583         return 0;
 584 out:
 585         free(dir->dir_tab);
 586         free(buf);
 587         return -1;
 588 }
 589
 590
 591 int
 592 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
 593     const cdf_sat_t *sat, cdf_sat_t *ssat)
 594 {
 595         size_t i, j;
 596         size_t ss = CDF_SEC_SIZE(h);
 597         cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
 598
 599         ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
 600         if (ssat->sat_len == (size_t)-1)
 601                 return -1;
 602
 603         ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
 604         if (ssat->sat_tab == NULL)
 605                 return -1;
 606
 607         for (j = i = 0; sid >= 0; i++, j++) {
 608                 if (j >= CDF_LOOP_LIMIT) {
 609                         DPRINTF(("Read short sat sector loop limit"));
 610                         errno = EFTYPE;
 611                         goto out;
 612                 }
 613                 if (i >= ssat->sat_len) {
 614                         DPRINTF(("Out of bounds reading short sector chain "
 615                             "%u > %u\n", i, ssat->sat_len));
 616                         errno = EFTYPE;
 617                         goto out;
 618                 }
 619                 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
 620                     (ssize_t)ss) {
 621                         DPRINTF(("Reading short sat sector %d", sid));
 622                         goto out;
 623                 }
 624                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 625         }
 626         return 0;
 627 out:
 628         free(ssat->sat_tab);
 629         return -1;
 630 }
 631
 632 int
 633 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
 634     const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
 635 {
 636         size_t i;
 637         const cdf_directory_t *d;
 638
 639         for (i = 0; i < dir->dir_len; i++)
 640                 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
 641                         break;
 642
 643         /* If the it is not there, just fake it; some docs don't have it */
 644         if (i == dir->dir_len)
 645                 goto out;
 646         d = &dir->dir_tab[i];
 647
 648         /* If the it is not there, just fake it; some docs don't have it */
 649         if (d->d_stream_first_sector < 0)
 650                 goto out;
 651
 652         return  cdf_read_long_sector_chain(info, h, sat,
 653             d->d_stream_first_sector, d->d_size, scn);
 654 out:
 655         scn->sst_tab = NULL;
 656         scn->sst_len = 0;
 657         scn->sst_dirlen = 0;
 658         return 0;
 659 }
 660
 661 static int
 662 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
 663 {
 664         for (; l--; d++, s++)
 665                 if (*d != CDF_TOLE2(*s))
 666                         return (unsigned char)*d - CDF_TOLE2(*s);
 667         return 0;
 668 }
 669
 670 int
 671 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
 672     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 673     const cdf_dir_t *dir, cdf_stream_t *scn)
 674 {
 675         size_t i;
 676         const cdf_directory_t *d;
 677         static const char name[] = "\05SummaryInformation";
 678
 679         for (i = dir->dir_len; i > 0; i--)
 680                 if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
 681                     cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name))
 682                     == 0)
 683                         break;
 684
 685         if (i == 0) {
 686                 DPRINTF(("Cannot find summary information section\n"));
 687                 errno = ESRCH;
 688                 return -1;
 689         }
 690         d = &dir->dir_tab[i - 1];
 691         return cdf_read_sector_chain(info, h, sat, ssat, sst,
 692             d->d_stream_first_sector, d->d_size, scn);
 693 }
 694
 695 int
 696 cdf_read_property_info(const cdf_stream_t *sst, uint32_t offs,
 697     cdf_property_info_t **info, size_t *count, size_t *maxcount)
 698 {
 699         const cdf_section_header_t *shp;
 700         cdf_section_header_t sh;
 701         const uint32_t *p, *q, *e;
 702         int16_t s16;
 703         int32_t s32;
 704         uint32_t u32;
 705         int64_t s64;
 706         uint64_t u64;
 707         cdf_timestamp_t tp;
 708         size_t i, o, nelements, j;
 709         cdf_property_info_t *inp;
 710
 711         if (offs > UINT32_MAX / 4) {
 712                 errno = EFTYPE;
 713                 goto out;
 714         }
 715         shp = CAST(const cdf_section_header_t *, (const void *)
 716             ((const char *)sst->sst_tab + offs));
 717         if (cdf_check_stream_offset(sst, shp, sizeof(*shp), __LINE__) == -1)
 718                 goto out;
 719         sh.sh_len = CDF_TOLE4(shp->sh_len);
 720 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
 721         if (sh.sh_len > CDF_SHLEN_LIMIT) {
 722                 errno = EFTYPE;
 723                 goto out;
 724         }
 725         sh.sh_properties = CDF_TOLE4(shp->sh_properties);
 726 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
 727         if (sh.sh_properties > CDF_PROP_LIMIT)
 728                 goto out;
 729         DPRINTF(("section len: %u properties %u\n", sh.sh_len,
 730             sh.sh_properties));
 731         if (*maxcount) {
 732                 if (*maxcount > CDF_PROP_LIMIT)
 733                         goto out;
 734                 *maxcount += sh.sh_properties;
 735                 inp = CAST(cdf_property_info_t *,
 736                     realloc(*info, *maxcount * sizeof(*inp)));
 737         } else {
 738                 *maxcount = sh.sh_properties;
 739                 inp = CAST(cdf_property_info_t *,
 740                     malloc(*maxcount * sizeof(*inp)));
 741         }
 742         if (inp == NULL)
 743                 goto out;
 744         *info = inp;
 745         inp += *count;
 746         *count += sh.sh_properties;
 747         p = CAST(const uint32_t *, (const void *)
 748             ((const char *)(const void *)sst->sst_tab +
 749             offs + sizeof(sh)));
 750         e = CAST(const uint32_t *, (const void *)
 751             (((const char *)(const void *)shp) + sh.sh_len));
 752         if (cdf_check_stream_offset(sst, e, 0, __LINE__) == -1)
 753                 goto out;
 754         for (i = 0; i < sh.sh_properties; i++) {
 755                 q = (const uint32_t *)(const void *)
 756                     ((const char *)(const void *)p +
 757                     CDF_TOLE4(p[(i << 1) + 1])) - 2;
 758                 if (q > e) {
 759                         DPRINTF(("Ran of the end %p > %p\n", q, e));
 760                         goto out;
 761                 }
 762                 inp[i].pi_id = CDF_TOLE4(p[i << 1]);
 763                 inp[i].pi_type = CDF_TOLE4(q[0]);
 764                 DPRINTF(("%d) id=%x type=%x offs=%x\n", i, inp[i].pi_id,
 765                     inp[i].pi_type, (const char *)q - (const char *)p));
 766                 if (inp[i].pi_type & CDF_VECTOR) {
 767                         nelements = CDF_TOLE4(q[1]);
 768                         o = 2;
 769                 } else {
 770                         nelements = 1;
 771                         o = 1;
 772                 }
 773                 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
 774                         goto unknown;
 775                 switch (inp[i].pi_type & CDF_TYPEMASK) {
 776                 case CDF_NULL:
 777                 case CDF_EMPTY:
 778                         break;
 779                 case CDF_SIGNED16:
 780                         if (inp[i].pi_type & CDF_VECTOR)
 781                                 goto unknown;
 782                         (void)memcpy(&s16, &q[o], sizeof(s16));
 783                         inp[i].pi_s16 = CDF_TOLE2(s16);
 784                         break;
 785                 case CDF_SIGNED32:
 786                         if (inp[i].pi_type & CDF_VECTOR)
 787                                 goto unknown;
 788                         (void)memcpy(&s32, &q[o], sizeof(s32));
 789                         inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
 790                         break;
 791                 case CDF_BOOL:
 792                 case CDF_UNSIGNED32:
 793                         if (inp[i].pi_type & CDF_VECTOR)
 794                                 goto unknown;
 795                         (void)memcpy(&u32, &q[o], sizeof(u32));
 796                         inp[i].pi_u32 = CDF_TOLE4(u32);
 797                         break;
 798                 case CDF_SIGNED64:
 799                         if (inp[i].pi_type & CDF_VECTOR)
 800                                 goto unknown;
 801                         (void)memcpy(&s64, &q[o], sizeof(s64));
 802                         inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
 803                         break;
 804                 case CDF_UNSIGNED64:
 805                         if (inp[i].pi_type & CDF_VECTOR)
 806                                 goto unknown;
 807                         (void)memcpy(&u64, &q[o], sizeof(u64));
 808                         inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
 809                         break;
 810                 case CDF_LENGTH32_STRING:
 811                 case CDF_LENGTH32_WSTRING:
 812                         if (nelements > 1) {
 813                                 size_t nelem = inp - *info;
 814                                 if (*maxcount > CDF_PROP_LIMIT
 815                                     || nelements > CDF_PROP_LIMIT)
 816                                         goto out;
 817                                 *maxcount += nelements;
 818                                 inp = CAST(cdf_property_info_t *,
 819                                     realloc(*info, *maxcount * sizeof(*inp)));
 820                                 if (inp == NULL)
 821                                         goto out;
 822                                 *info = inp;
 823                                 inp = *info + nelem;
 824                         }
 825                         DPRINTF(("nelements = %d\n", nelements));
 826                         for (j = 0; j < nelements; j++, i++) {
 827                                 uint32_t l = CDF_TOLE4(q[o]);
 828                                 inp[i].pi_str.s_len = l;
 829                                 inp[i].pi_str.s_buf =
 830                                     (const char *)(const void *)(&q[o+1]);
 831                                 DPRINTF(("l = %d, r = %d, s = %s\n", l,
 832                                     CDF_ROUND(l, sizeof(l)),
 833                                     inp[i].pi_str.s_buf));
 834                                 l = 4 + (uint32_t)CDF_ROUND(l, sizeof(l));
 835                                 o += l >> 2;
 836                         }
 837                         i--;
 838                         break;
 839                 case CDF_FILETIME:
 840                         if (inp[i].pi_type & CDF_VECTOR)
 841                                 goto unknown;
 842                         (void)memcpy(&tp, &q[o], sizeof(tp));
 843                         inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
 844                         break;
 845                 case CDF_CLIPBOARD:
 846                         if (inp[i].pi_type & CDF_VECTOR)
 847                                 goto unknown;
 848                         break;
 849                 default:
 850                 unknown:
 851                         DPRINTF(("Don't know how to deal with %x\n",
 852                             inp[i].pi_type));
 853                         goto out;
 854                 }
 855         }
 856         return 0;
 857 out:
 858         free(*info);
 859         return -1;
 860 }
 861
 862 int
 863 cdf_unpack_summary_info(const cdf_stream_t *sst, cdf_summary_info_header_t *ssi,
 864     cdf_property_info_t **info, size_t *count)
 865 {
 866         size_t i, maxcount;
 867         const cdf_summary_info_header_t *si =
 868             CAST(const cdf_summary_info_header_t *, sst->sst_tab);
 869         const cdf_section_declaration_t *sd =
 870             CAST(const cdf_section_declaration_t *, (const void *)
 871             ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
 872
 873         if (cdf_check_stream_offset(sst, si, sizeof(*si), __LINE__) == -1 ||
 874             cdf_check_stream_offset(sst, sd, sizeof(*sd), __LINE__) == -1)
 875                 return -1;
 876         ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
 877         ssi->si_os_version = CDF_TOLE2(si->si_os_version);
 878         ssi->si_os = CDF_TOLE2(si->si_os);
 879         ssi->si_class = si->si_class;
 880         cdf_swap_class(&ssi->si_class);
 881         ssi->si_count = CDF_TOLE2(si->si_count);
 882         *count = 0;
 883         maxcount = 0;
 884         *info = NULL;
 885         for (i = 0; i < CDF_TOLE4(si->si_count); i++) {
 886                 if (i >= CDF_LOOP_LIMIT) {
 887                         DPRINTF(("Unpack summary info loop limit"));
 888                         errno = EFTYPE;
 889                         return -1;
 890                 }
 891                 if (cdf_read_property_info(sst, CDF_TOLE4(sd->sd_offset),
 892                     info, count, &maxcount) == -1)
 893                         return -1;
 894         }
 895         return 0;
 896 }
 897
 898
 899
 900 int
 901 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
 902 {
 903         return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
 904             "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
 905             id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
 906             id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
 907             id->cl_six[5]);
 908 }
 909
 910 static const struct {
 911         uint32_t v;
 912         const char *n;
 913 } vn[] = {
 914         { CDF_PROPERTY_CODE_PAGE, "Code page" },
 915         { CDF_PROPERTY_TITLE, "Title" },
 916         { CDF_PROPERTY_SUBJECT, "Subject" },
 917         { CDF_PROPERTY_AUTHOR, "Author" },
 918         { CDF_PROPERTY_KEYWORDS, "Keywords" },
 919         { CDF_PROPERTY_COMMENTS, "Comments" },
 920         { CDF_PROPERTY_TEMPLATE, "Template" },
 921         { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
 922         { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
 923         { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
 924         { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
 925         { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
 926         { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
 927         { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
 928         { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
 929         { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
 930         { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
 931         { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
 932         { CDF_PROPERTY_SECURITY, "Security" },
 933         { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
 934 };
 935
 936 int
 937 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
 938 {
 939         size_t i;
 940
 941         for (i = 0; i < __arraycount(vn); i++)
 942                 if (vn[i].v == p)
 943                         return snprintf(buf, bufsiz, "%s", vn[i].n);
 944         return snprintf(buf, bufsiz, "0x%x", p);
 945 }
 946
 947 int
 948 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
 949 {
 950         int len = 0;
 951         int days, hours, mins, secs;
 952
 953         ts /= CDF_TIME_PREC;
 954         secs = (int)(ts % 60);
 955         ts /= 60;
 956         mins = (int)(ts % 60);
 957         ts /= 60;
 958         hours = (int)(ts % 24);
 959         ts /= 24;
 960         days = (int)ts;
 961
 962         if (days) {
 963                 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
 964                 if ((size_t)len >= bufsiz)
 965                         return len;
 966         }
 967
 968         if (days || hours) {
 969                 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
 970                 if ((size_t)len >= bufsiz)
 971                         return len;
 972         }
 973
 974         len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
 975         if ((size_t)len >= bufsiz)
 976                 return len;
 977
 978         len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
 979         return len;
 980 }
 981
 982
 983 #ifdef CDF_DEBUG
 984 void
 985 cdf_dump_header(const cdf_header_t *h)
 986 {
 987         size_t i;
 988
 989 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
 990 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
 991     h->h_ ## b, 1 << h->h_ ## b)
 992         DUMP("%d", revision);
 993         DUMP("%d", version);
 994         DUMP("0x%x", byte_order);
 995         DUMP2("%d", sec_size_p2);
 996         DUMP2("%d", short_sec_size_p2);
 997         DUMP("%d", num_sectors_in_sat);
 998         DUMP("%d", secid_first_directory);
 999         DUMP("%d", min_size_standard_stream);
1000         DUMP("%d", secid_first_sector_in_short_sat);
1001         DUMP("%d", num_sectors_in_short_sat);
1002         DUMP("%d", secid_first_sector_in_master_sat);
1003         DUMP("%d", num_sectors_in_master_sat);
1004         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1005                 if (h->h_master_sat[i] == CDF_SECID_FREE)
1006                         break;
1007                 (void)fprintf(stderr, "%35.35s[%.3zu] = %d\n",
1008                     "master_sat", i, h->h_master_sat[i]);
1009         }
1010 }
1011
1012 void
1013 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1014 {
1015         size_t i, j, s = size / sizeof(cdf_secid_t);
1016
1017         for (i = 0; i < sat->sat_len; i++) {
1018                 (void)fprintf(stderr, "%s[%zu]:\n%.6d: ", prefix, i, i * s);
1019                 for (j = 0; j < s; j++) {
1020                         (void)fprintf(stderr, "%5d, ",
1021                             CDF_TOLE4(sat->sat_tab[s * i + j]));
1022                         if ((j + 1) % 10 == 0)
1023                                 (void)fprintf(stderr, "\n%.6d: ",
1024                                     i * s + j + 1);
1025                 }
1026                 (void)fprintf(stderr, "\n");
1027         }
1028 }
1029
1030 void
1031 cdf_dump(void *v, size_t len)
1032 {
1033         size_t i, j;
1034         unsigned char *p = v;
1035         char abuf[16];
1036         (void)fprintf(stderr, "%.4x: ", 0);
1037         for (i = 0, j = 0; i < len; i++, p++) {
1038                 (void)fprintf(stderr, "%.2x ", *p);
1039                 abuf[j++] = isprint(*p) ? *p : '.';
1040                 if (j == 16) {
1041                         j = 0;
1042                         abuf[15] = '\0';
1043                         (void)fprintf(stderr, "%s\n%.4x: ", abuf, i + 1);
1044                 }
1045         }
1046         (void)fprintf(stderr, "\n");
1047 }
1048
1049 void
1050 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1051 {
1052         size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1053             CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1054         cdf_dump(sst->sst_tab, ss * sst->sst_len);
1055 }
1056
1057 void
1058 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1059     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1060     const cdf_dir_t *dir)
1061 {
1062         size_t i, j;
1063         cdf_directory_t *d;
1064         char name[__arraycount(d->d_name)];
1065         cdf_stream_t scn;
1066         struct timespec ts;
1067
1068         static const char *types[] = { "empty", "user storage",
1069             "user stream", "lockbytes", "property", "root storage" };
1070
1071         for (i = 0; i < dir->dir_len; i++) {
1072                 d = &dir->dir_tab[i];
1073                 for (j = 0; j < sizeof(name); j++)
1074                         name[j] = (char)CDF_TOLE2(d->d_name[j]);
1075                 (void)fprintf(stderr, "Directory %zu: %s\n", i, name);
1076                 if (d->d_type < __arraycount(types))
1077                         (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1078                 else
1079                         (void)fprintf(stderr, "Type: %d\n", d->d_type);
1080                 (void)fprintf(stderr, "Color: %s\n",
1081                     d->d_color ? "black" : "red");
1082                 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1083                 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1084                 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1085                 cdf_timestamp_to_timespec(&ts, d->d_created);
1086                 (void)fprintf(stderr, "Created %s", ctime(&ts.tv_sec));
1087                 cdf_timestamp_to_timespec(&ts, d->d_modified);
1088                 (void)fprintf(stderr, "Modified %s", ctime(&ts.tv_sec));
1089                 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1090                 (void)fprintf(stderr, "Size %d\n", d->d_size);
1091                 switch (d->d_type) {
1092                 case CDF_DIR_TYPE_USER_STORAGE:
1093                         (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1094                         break;
1095                 case CDF_DIR_TYPE_USER_STREAM:
1096                         if (sst == NULL)
1097                                 break;
1098                         if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1099                             d->d_stream_first_sector, d->d_size, &scn) == -1) {
1100                                 warn("Can't read stream for %s at %d len %d",
1101                                     name, d->d_stream_first_sector, d->d_size);
1102                                 break;
1103                         }
1104                         cdf_dump_stream(h, &scn);
1105                         free(scn.sst_tab);
1106                         break;
1107                 default:
1108                         break;
1109                 }
1110
1111         }
1112 }
1113
1114 void
1115 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1116 {
1117         cdf_timestamp_t tp;
1118         struct timespec ts;
1119         char buf[64];
1120         size_t i, j;
1121
1122         for (i = 0; i < count; i++) {
1123                 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1124                 (void)fprintf(stderr, "%zu) %s: ", i, buf);
1125                 switch (info[i].pi_type) {
1126                 case CDF_NULL:
1127                         break;
1128                 case CDF_SIGNED16:
1129                         (void)fprintf(stderr, "signed 16 [%hd]\n",
1130                             info[i].pi_s16);
1131                         break;
1132                 case CDF_SIGNED32:
1133                         (void)fprintf(stderr, "signed 32 [%d]\n",
1134                             info[i].pi_s32);
1135                         break;
1136                 case CDF_UNSIGNED32:
1137                         (void)fprintf(stderr, "unsigned 32 [%u]\n",
1138                             info[i].pi_u32);
1139                         break;
1140                 case CDF_LENGTH32_STRING:
1141                         (void)fprintf(stderr, "string %u [%.*s]\n",
1142                             info[i].pi_str.s_len,
1143                             info[i].pi_str.s_len, info[i].pi_str.s_buf);
1144                         break;
1145                 case CDF_LENGTH32_WSTRING:
1146                         (void)fprintf(stderr, "string %u [",
1147                             info[i].pi_str.s_len);
1148                         for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1149                             (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1150                         (void)fprintf(stderr, "]\n");
1151                         break;
1152                 case CDF_FILETIME:
1153                         tp = info[i].pi_tp;
1154                         if (tp < 1000000000000000LL) {
1155                                 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1156                                 (void)fprintf(stderr, "timestamp %s\n", buf);
1157                         } else {
1158                                 cdf_timestamp_to_timespec(&ts, tp);
1159                                 (void)fprintf(stderr, "timestamp %s",
1160                                     ctime(&ts.tv_sec));
1161                         }
1162                         break;
1163                 case CDF_CLIPBOARD:
1164                         (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1165                         break;
1166                 default:
1167                         DPRINTF(("Don't know how to deal with %x\n",
1168                             info[i].pi_type));
1169                         break;
1170                 }
1171         }
1172 }
1173
1174
1175 void
1176 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1177 {
1178         char buf[128];
1179         cdf_summary_info_header_t ssi;
1180         cdf_property_info_t *info;
1181         size_t count;
1182
1183         (void)&h;
1184         if (cdf_unpack_summary_info(sst, &ssi, &info, &count) == -1)
1185                 return;
1186         (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1187         (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1188                 ssi.si_os_version >> 8);
1189         (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1190         cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1191         (void)fprintf(stderr, "Class %s\n", buf);
1192         (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1193         cdf_dump_property_info(info, count);
1194         free(info);
1195 }
1196
1197 #endif
1198
1199 #ifdef TEST
1200 int
1201 main(int argc, char *argv[])
1202 {
1203         int i;
1204         cdf_header_t h;
1205         cdf_sat_t sat, ssat;
1206         cdf_stream_t sst, scn;
1207         cdf_dir_t dir;
1208         cdf_info_t info;
1209
1210         if (argc < 2) {
1211                 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1212                 return -1;
1213         }
1214
1215         info.i_buf = NULL;
1216         info.i_len = 0;
1217         for (i = 1; i < argc; i++) {
1218                 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1219                         err(1, "Cannot open `%s'", argv[1]);
1220
1221                 if (cdf_read_header(&info, &h) == -1)
1222                         err(1, "Cannot read header");
1223 #ifdef CDF_DEBUG
1224                 cdf_dump_header(&h);
1225 #endif
1226
1227                 if (cdf_read_sat(&info, &h, &sat) == -1)
1228                         err(1, "Cannot read sat");
1229 #ifdef CDF_DEBUG
1230                 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1231 #endif
1232
1233                 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1234                         err(1, "Cannot read ssat");
1235 #ifdef CDF_DEBUG
1236                 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1237 #endif
1238
1239                 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1240                         err(1, "Cannot read dir");
1241
1242                 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
1243                         err(1, "Cannot read short stream");
1244 #ifdef CDF_DEBUG
1245                 cdf_dump_stream(&h, &sst);
1246 #endif
1247
1248 #ifdef CDF_DEBUG
1249                 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1250 #endif
1251
1252
1253                 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1254                     &scn) == -1)
1255                         err(1, "Cannot read summary info");
1256 #ifdef CDF_DEBUG
1257                 cdf_dump_summary_info(&h, &scn);
1258 #endif
1259
1260                 (void)close(info.i_fd);
1261         }
1262
1263         return 0;
1264 }
1265 #endif