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 1.76 2015/02/28 00:18:02 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_TOLE(x)     (/*CONSTCOND*/sizeof(x) == 2 ? \
  77                             CDF_TOLE2(CAST(uint16_t, x)) : \
  78                         (/*CONSTCOND*/sizeof(x) == 4 ? \
  79                             CDF_TOLE4(CAST(uint32_t, x)) : \
  80                             CDF_TOLE8(CAST(uint64_t, x))))
  81 #define CDF_GETUINT32(x, y)     cdf_getuint32(x, y)
  82
  83
  84 /*
  85  * swap a short
  86  */
  87 static uint16_t
  88 _cdf_tole2(uint16_t sv)
  89 {
  90         uint16_t rv;
  91         uint8_t *s = (uint8_t *)(void *)&sv;
  92         uint8_t *d = (uint8_t *)(void *)&rv;
  93         d[0] = s[1];
  94         d[1] = s[0];
  95         return rv;
  96 }
  97
  98 /*
  99  * swap an int
 100  */
 101 static uint32_t
 102 _cdf_tole4(uint32_t sv)
 103 {
 104         uint32_t rv;
 105         uint8_t *s = (uint8_t *)(void *)&sv;
 106         uint8_t *d = (uint8_t *)(void *)&rv;
 107         d[0] = s[3];
 108         d[1] = s[2];
 109         d[2] = s[1];
 110         d[3] = s[0];
 111         return rv;
 112 }
 113
 114 /*
 115  * swap a quad
 116  */
 117 static uint64_t
 118 _cdf_tole8(uint64_t sv)
 119 {
 120         uint64_t rv;
 121         uint8_t *s = (uint8_t *)(void *)&sv;
 122         uint8_t *d = (uint8_t *)(void *)&rv;
 123         d[0] = s[7];
 124         d[1] = s[6];
 125         d[2] = s[5];
 126         d[3] = s[4];
 127         d[4] = s[3];
 128         d[5] = s[2];
 129         d[6] = s[1];
 130         d[7] = s[0];
 131         return rv;
 132 }
 133
 134 /*
 135  * grab a uint32_t from a possibly unaligned address, and return it in
 136  * the native host order.
 137  */
 138 static uint32_t
 139 cdf_getuint32(const uint8_t *p, size_t offs)
 140 {
 141         uint32_t rv;
 142         (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
 143         return CDF_TOLE4(rv);
 144 }
 145
 146 #define CDF_UNPACK(a)   \
 147     (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a)
 148 #define CDF_UNPACKA(a)  \
 149     (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a)
 150
 151 uint16_t
 152 cdf_tole2(uint16_t sv)
 153 {
 154         return CDF_TOLE2(sv);
 155 }
 156
 157 uint32_t
 158 cdf_tole4(uint32_t sv)
 159 {
 160         return CDF_TOLE4(sv);
 161 }
 162
 163 uint64_t
 164 cdf_tole8(uint64_t sv)
 165 {
 166         return CDF_TOLE8(sv);
 167 }
 168
 169 void
 170 cdf_swap_header(cdf_header_t *h)
 171 {
 172         size_t i;
 173
 174         h->h_magic = CDF_TOLE8(h->h_magic);
 175         h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]);
 176         h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]);
 177         h->h_revision = CDF_TOLE2(h->h_revision);
 178         h->h_version = CDF_TOLE2(h->h_version);
 179         h->h_byte_order = CDF_TOLE2(h->h_byte_order);
 180         h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2);
 181         h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2);
 182         h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat);
 183         h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory);
 184         h->h_min_size_standard_stream =
 185             CDF_TOLE4(h->h_min_size_standard_stream);
 186         h->h_secid_first_sector_in_short_sat =
 187             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_short_sat);
 188         h->h_num_sectors_in_short_sat =
 189             CDF_TOLE4(h->h_num_sectors_in_short_sat);
 190         h->h_secid_first_sector_in_master_sat =
 191             CDF_TOLE4((uint32_t)h->h_secid_first_sector_in_master_sat);
 192         h->h_num_sectors_in_master_sat =
 193             CDF_TOLE4(h->h_num_sectors_in_master_sat);
 194         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 195                 h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
 196 }
 197
 198 void
 199 cdf_unpack_header(cdf_header_t *h, char *buf)
 200 {
 201         size_t i;
 202         size_t len = 0;
 203
 204         CDF_UNPACK(h->h_magic);
 205         CDF_UNPACKA(h->h_uuid);
 206         CDF_UNPACK(h->h_revision);
 207         CDF_UNPACK(h->h_version);
 208         CDF_UNPACK(h->h_byte_order);
 209         CDF_UNPACK(h->h_sec_size_p2);
 210         CDF_UNPACK(h->h_short_sec_size_p2);
 211         CDF_UNPACKA(h->h_unused0);
 212         CDF_UNPACK(h->h_num_sectors_in_sat);
 213         CDF_UNPACK(h->h_secid_first_directory);
 214         CDF_UNPACKA(h->h_unused1);
 215         CDF_UNPACK(h->h_min_size_standard_stream);
 216         CDF_UNPACK(h->h_secid_first_sector_in_short_sat);
 217         CDF_UNPACK(h->h_num_sectors_in_short_sat);
 218         CDF_UNPACK(h->h_secid_first_sector_in_master_sat);
 219         CDF_UNPACK(h->h_num_sectors_in_master_sat);
 220         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 221                 CDF_UNPACK(h->h_master_sat[i]);
 222 }
 223
 224 void
 225 cdf_swap_dir(cdf_directory_t *d)
 226 {
 227         d->d_namelen = CDF_TOLE2(d->d_namelen);
 228         d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
 229         d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
 230         d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
 231         d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
 232         d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]);
 233         d->d_flags = CDF_TOLE4(d->d_flags);
 234         d->d_created = CDF_TOLE8((uint64_t)d->d_created);
 235         d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
 236         d->d_stream_first_sector = CDF_TOLE4((uint32_t)d->d_stream_first_sector);
 237         d->d_size = CDF_TOLE4(d->d_size);
 238 }
 239
 240 void
 241 cdf_swap_class(cdf_classid_t *d)
 242 {
 243         d->cl_dword = CDF_TOLE4(d->cl_dword);
 244         d->cl_word[0] = CDF_TOLE2(d->cl_word[0]);
 245         d->cl_word[1] = CDF_TOLE2(d->cl_word[1]);
 246 }
 247
 248 void
 249 cdf_unpack_dir(cdf_directory_t *d, char *buf)
 250 {
 251         size_t len = 0;
 252
 253         CDF_UNPACKA(d->d_name);
 254         CDF_UNPACK(d->d_namelen);
 255         CDF_UNPACK(d->d_type);
 256         CDF_UNPACK(d->d_color);
 257         CDF_UNPACK(d->d_left_child);
 258         CDF_UNPACK(d->d_right_child);
 259         CDF_UNPACK(d->d_storage);
 260         CDF_UNPACKA(d->d_storage_uuid);
 261         CDF_UNPACK(d->d_flags);
 262         CDF_UNPACK(d->d_created);
 263         CDF_UNPACK(d->d_modified);
 264         CDF_UNPACK(d->d_stream_first_sector);
 265         CDF_UNPACK(d->d_size);
 266         CDF_UNPACK(d->d_unused0);
 267 }
 268
 269 static int
 270 cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h,
 271     const void *p, size_t tail, int line)
 272 {
 273         const char *b = (const char *)sst->sst_tab;
 274         const char *e = ((const char *)p) + tail;
 275         size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
 276             CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
 277         /*LINTED*/(void)&line;
 278         if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
 279                 return 0;
 280         DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
 281             " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
 282             SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
 283             ss * sst->sst_len, ss, sst->sst_len));
 284         errno = EFTYPE;
 285         return -1;
 286 }
 287
 288 static ssize_t
 289 cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
 290 {
 291         size_t siz = (size_t)off + len;
 292
 293         if ((off_t)(off + len) != (off_t)siz) {
 294                 errno = EINVAL;
 295                 return -1;
 296         }
 297
 298         if (info->i_buf != NULL && info->i_len >= siz) {
 299                 (void)memcpy(buf, &info->i_buf[off], len);
 300                 return (ssize_t)len;
 301         }
 302
 303         if (info->i_fd == -1)
 304                 return -1;
 305
 306         if (pread(info->i_fd, buf, len, off) != (ssize_t)len)
 307                 return -1;
 308
 309         return (ssize_t)len;
 310 }
 311
 312 int
 313 cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
 314 {
 315         char buf[512];
 316
 317         (void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
 318         if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
 319                 return -1;
 320         cdf_unpack_header(h, buf);
 321         cdf_swap_header(h);
 322         if (h->h_magic != CDF_MAGIC) {
 323                 DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
 324                     INT64_T_FORMAT "x\n",
 325                     (unsigned long long)h->h_magic,
 326                     (unsigned long long)CDF_MAGIC));
 327                 goto out;
 328         }
 329         if (h->h_sec_size_p2 > 20) {
 330                 DPRINTF(("Bad sector size 0x%u\n", h->h_sec_size_p2));
 331                 goto out;
 332         }
 333         if (h->h_short_sec_size_p2 > 20) {
 334                 DPRINTF(("Bad short sector size 0x%u\n",
 335                     h->h_short_sec_size_p2));
 336                 goto out;
 337         }
 338         return 0;
 339 out:
 340         errno = EFTYPE;
 341         return -1;
 342 }
 343
 344
 345 ssize_t
 346 cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
 347     const cdf_header_t *h, cdf_secid_t id)
 348 {
 349         size_t ss = CDF_SEC_SIZE(h);
 350         size_t pos = CDF_SEC_POS(h, id);
 351         assert(ss == len);
 352         return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
 353 }
 354
 355 ssize_t
 356 cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs,
 357     size_t len, const cdf_header_t *h, cdf_secid_t id)
 358 {
 359         size_t ss = CDF_SHORT_SEC_SIZE(h);
 360         size_t pos = CDF_SHORT_SEC_POS(h, id);
 361         assert(ss == len);
 362         if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
 363                 DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
 364                     SIZE_T_FORMAT "u\n",
 365                     pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
 366                 return -1;
 367         }
 368         (void)memcpy(((char *)buf) + offs,
 369             ((const char *)sst->sst_tab) + pos, len);
 370         return len;
 371 }
 372
 373 /*
 374  * Read the sector allocation table.
 375  */
 376 int
 377 cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat)
 378 {
 379         size_t i, j, k;
 380         size_t ss = CDF_SEC_SIZE(h);
 381         cdf_secid_t *msa, mid, sec;
 382         size_t nsatpersec = (ss / sizeof(mid)) - 1;
 383
 384         for (i = 0; i < __arraycount(h->h_master_sat); i++)
 385                 if (h->h_master_sat[i] == CDF_SECID_FREE)
 386                         break;
 387
 388 #define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
 389         if ((nsatpersec > 0 &&
 390             h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) ||
 391             i > CDF_SEC_LIMIT) {
 392                 DPRINTF(("Number of sectors in master SAT too big %u %"
 393                     SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i));
 394                 errno = EFTYPE;
 395                 return -1;
 396         }
 397
 398         sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i;
 399         DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n",
 400             sat->sat_len, ss));
 401         if ((sat->sat_tab = CAST(cdf_secid_t *, calloc(sat->sat_len, ss)))
 402             == NULL)
 403                 return -1;
 404
 405         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
 406                 if (h->h_master_sat[i] < 0)
 407                         break;
 408                 if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 409                     h->h_master_sat[i]) != (ssize_t)ss) {
 410                         DPRINTF(("Reading sector %d", h->h_master_sat[i]));
 411                         goto out1;
 412                 }
 413         }
 414
 415         if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
 416                 goto out1;
 417
 418         mid = h->h_secid_first_sector_in_master_sat;
 419         for (j = 0; j < h->h_num_sectors_in_master_sat; j++) {
 420                 if (mid < 0)
 421                         goto out;
 422                 if (j >= CDF_LOOP_LIMIT) {
 423                         DPRINTF(("Reading master sector loop limit"));
 424                         errno = EFTYPE;
 425                         goto out2;
 426                 }
 427                 if (cdf_read_sector(info, msa, 0, ss, h, mid) != (ssize_t)ss) {
 428                         DPRINTF(("Reading master sector %d", mid));
 429                         goto out2;
 430                 }
 431                 for (k = 0; k < nsatpersec; k++, i++) {
 432                         sec = CDF_TOLE4((uint32_t)msa[k]);
 433                         if (sec < 0)
 434                                 goto out;
 435                         if (i >= sat->sat_len) {
 436                             DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
 437                                 "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
 438                             errno = EFTYPE;
 439                             goto out2;
 440                         }
 441                         if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
 442                             sec) != (ssize_t)ss) {
 443                                 DPRINTF(("Reading sector %d",
 444                                     CDF_TOLE4(msa[k])));
 445                                 goto out2;
 446                         }
 447                 }
 448                 mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
 449         }
 450 out:
 451         sat->sat_len = i;
 452         free(msa);
 453         return 0;
 454 out2:
 455         free(msa);
 456 out1:
 457         free(sat->sat_tab);
 458         return -1;
 459 }
 460
 461 size_t
 462 cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
 463 {
 464         size_t i, j;
 465         cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
 466             / sizeof(maxsector));
 467
 468         DPRINTF(("Chain:"));
 469         if (sid == CDF_SECID_END_OF_CHAIN) {
 470                 /* 0-length chain. */
 471                 DPRINTF((" empty\n"));
 472                 return 0;
 473         }
 474
 475         for (j = i = 0; sid >= 0; i++, j++) {
 476                 DPRINTF((" %d", sid));
 477                 if (j >= CDF_LOOP_LIMIT) {
 478                         DPRINTF(("Counting chain loop limit"));
 479                         errno = EFTYPE;
 480                         return (size_t)-1;
 481                 }
 482                 if (sid >= maxsector) {
 483                         DPRINTF(("Sector %d >= %d\n", sid, maxsector));
 484                         errno = EFTYPE;
 485                         return (size_t)-1;
 486                 }
 487                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 488         }
 489         if (i == 0) {
 490                 DPRINTF((" none, sid: %d\n", sid));
 491                 return (size_t)-1;
 492
 493         }
 494         DPRINTF(("\n"));
 495         return i;
 496 }
 497
 498 int
 499 cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 500     const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 501 {
 502         size_t ss = CDF_SEC_SIZE(h), i, j;
 503         ssize_t nr;
 504         scn->sst_len = cdf_count_chain(sat, sid, ss);
 505         scn->sst_dirlen = len;
 506
 507         if (scn->sst_len == (size_t)-1)
 508                 return -1;
 509
 510         scn->sst_tab = calloc(scn->sst_len, ss);
 511         if (scn->sst_tab == NULL)
 512                 return -1;
 513
 514         for (j = i = 0; sid >= 0; i++, j++) {
 515                 if (j >= CDF_LOOP_LIMIT) {
 516                         DPRINTF(("Read long sector chain loop limit"));
 517                         errno = EFTYPE;
 518                         goto out;
 519                 }
 520                 if (i >= scn->sst_len) {
 521                         DPRINTF(("Out of bounds reading long sector chain "
 522                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
 523                             scn->sst_len));
 524                         errno = EFTYPE;
 525                         goto out;
 526                 }
 527                 if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h,
 528                     sid)) != (ssize_t)ss) {
 529                         if (i == scn->sst_len - 1 && nr > 0) {
 530                                 /* Last sector might be truncated */
 531                                 return 0;
 532                         }
 533                         DPRINTF(("Reading long sector chain %d", sid));
 534                         goto out;
 535                 }
 536                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 537         }
 538         return 0;
 539 out:
 540         free(scn->sst_tab);
 541         return -1;
 542 }
 543
 544 int
 545 cdf_read_short_sector_chain(const cdf_header_t *h,
 546     const cdf_sat_t *ssat, const cdf_stream_t *sst,
 547     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 548 {
 549         size_t ss = CDF_SHORT_SEC_SIZE(h), i, j;
 550         scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
 551         scn->sst_dirlen = len;
 552
 553         if (sst->sst_tab == NULL || scn->sst_len == (size_t)-1)
 554                 return -1;
 555
 556         scn->sst_tab = calloc(scn->sst_len, ss);
 557         if (scn->sst_tab == NULL)
 558                 return -1;
 559
 560         for (j = i = 0; sid >= 0; i++, j++) {
 561                 if (j >= CDF_LOOP_LIMIT) {
 562                         DPRINTF(("Read short sector chain loop limit"));
 563                         errno = EFTYPE;
 564                         goto out;
 565                 }
 566                 if (i >= scn->sst_len) {
 567                         DPRINTF(("Out of bounds reading short sector chain "
 568                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
 569                             i, scn->sst_len));
 570                         errno = EFTYPE;
 571                         goto out;
 572                 }
 573                 if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h,
 574                     sid) != (ssize_t)ss) {
 575                         DPRINTF(("Reading short sector chain %d", sid));
 576                         goto out;
 577                 }
 578                 sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
 579         }
 580         return 0;
 581 out:
 582         free(scn->sst_tab);
 583         return -1;
 584 }
 585
 586 int
 587 cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 588     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 589     cdf_secid_t sid, size_t len, cdf_stream_t *scn)
 590 {
 591
 592         if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
 593                 return cdf_read_short_sector_chain(h, ssat, sst, sid, len,
 594                     scn);
 595         else
 596                 return cdf_read_long_sector_chain(info, h, sat, sid, len, scn);
 597 }
 598
 599 int
 600 cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
 601     const cdf_sat_t *sat, cdf_dir_t *dir)
 602 {
 603         size_t i, j;
 604         size_t ss = CDF_SEC_SIZE(h), ns, nd;
 605         char *buf;
 606         cdf_secid_t sid = h->h_secid_first_directory;
 607
 608         ns = cdf_count_chain(sat, sid, ss);
 609         if (ns == (size_t)-1)
 610                 return -1;
 611
 612         nd = ss / CDF_DIRECTORY_SIZE;
 613
 614         dir->dir_len = ns * nd;
 615         dir->dir_tab = CAST(cdf_directory_t *,
 616             calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
 617         if (dir->dir_tab == NULL)
 618                 return -1;
 619
 620         if ((buf = CAST(char *, malloc(ss))) == NULL) {
 621                 free(dir->dir_tab);
 622                 return -1;
 623         }
 624
 625         for (j = i = 0; i < ns; i++, j++) {
 626                 if (j >= CDF_LOOP_LIMIT) {
 627                         DPRINTF(("Read dir loop limit"));
 628                         errno = EFTYPE;
 629                         goto out;
 630                 }
 631                 if (cdf_read_sector(info, buf, 0, ss, h, sid) != (ssize_t)ss) {
 632                         DPRINTF(("Reading directory sector %d", sid));
 633                         goto out;
 634                 }
 635                 for (j = 0; j < nd; j++) {
 636                         cdf_unpack_dir(&dir->dir_tab[i * nd + j],
 637                             &buf[j * CDF_DIRECTORY_SIZE]);
 638                 }
 639                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 640         }
 641         if (NEED_SWAP)
 642                 for (i = 0; i < dir->dir_len; i++)
 643                         cdf_swap_dir(&dir->dir_tab[i]);
 644         free(buf);
 645         return 0;
 646 out:
 647         free(dir->dir_tab);
 648         free(buf);
 649         return -1;
 650 }
 651
 652
 653 int
 654 cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
 655     const cdf_sat_t *sat, cdf_sat_t *ssat)
 656 {
 657         size_t i, j;
 658         size_t ss = CDF_SEC_SIZE(h);
 659         cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
 660
 661         ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
 662         if (ssat->sat_len == (size_t)-1)
 663                 return -1;
 664
 665         ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
 666         if (ssat->sat_tab == NULL)
 667                 return -1;
 668
 669         for (j = i = 0; sid >= 0; i++, j++) {
 670                 if (j >= CDF_LOOP_LIMIT) {
 671                         DPRINTF(("Read short sat sector loop limit"));
 672                         errno = EFTYPE;
 673                         goto out;
 674                 }
 675                 if (i >= ssat->sat_len) {
 676                         DPRINTF(("Out of bounds reading short sector chain "
 677                             "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
 678                             ssat->sat_len));
 679                         errno = EFTYPE;
 680                         goto out;
 681                 }
 682                 if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) !=
 683                     (ssize_t)ss) {
 684                         DPRINTF(("Reading short sat sector %d", sid));
 685                         goto out;
 686                 }
 687                 sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
 688         }
 689         return 0;
 690 out:
 691         free(ssat->sat_tab);
 692         return -1;
 693 }
 694
 695 int
 696 cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
 697     const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn,
 698     const cdf_directory_t **root)
 699 {
 700         size_t i;
 701         const cdf_directory_t *d;
 702
 703         *root = NULL;
 704         for (i = 0; i < dir->dir_len; i++)
 705                 if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
 706                         break;
 707
 708         /* If the it is not there, just fake it; some docs don't have it */
 709         if (i == dir->dir_len)
 710                 goto out;
 711         d = &dir->dir_tab[i];
 712         *root = d;
 713
 714         /* If the it is not there, just fake it; some docs don't have it */
 715         if (d->d_stream_first_sector < 0)
 716                 goto out;
 717
 718         return  cdf_read_long_sector_chain(info, h, sat,
 719             d->d_stream_first_sector, d->d_size, scn);
 720 out:
 721         scn->sst_tab = NULL;
 722         scn->sst_len = 0;
 723         scn->sst_dirlen = 0;
 724         return 0;
 725 }
 726
 727 static int
 728 cdf_namecmp(const char *d, const uint16_t *s, size_t l)
 729 {
 730         for (; l--; d++, s++)
 731                 if (*d != CDF_TOLE2(*s))
 732                         return (unsigned char)*d - CDF_TOLE2(*s);
 733         return 0;
 734 }
 735
 736 int
 737 cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
 738     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 739     const cdf_dir_t *dir, cdf_stream_t *scn)
 740 {
 741         return cdf_read_user_stream(info, h, sat, ssat, sst, dir,
 742             "\05SummaryInformation", scn);
 743 }
 744
 745 int
 746 cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h,
 747     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
 748     const cdf_dir_t *dir, const char *name, cdf_stream_t *scn)
 749 {
 750         const cdf_directory_t *d;
 751         int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM);
 752
 753         if (i <= 0)
 754                 return -1;
 755
 756         d = &dir->dir_tab[i - 1];
 757         return cdf_read_sector_chain(info, h, sat, ssat, sst,
 758             d->d_stream_first_sector, d->d_size, scn);
 759 }
 760
 761 int
 762 cdf_find_stream(const cdf_dir_t *dir, const char *name, int type)
 763 {
 764         size_t i, name_len = strlen(name) + 1;
 765
 766         for (i = dir->dir_len; i > 0; i--)
 767                 if (dir->dir_tab[i - 1].d_type == type &&
 768                     cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len)
 769                     == 0)
 770                         break;
 771         if (i > 0)
 772                 return i;
 773
 774         DPRINTF(("Cannot find type %d `%s'\n", type, name));
 775         errno = ESRCH;
 776         return 0;
 777 }
 778
 779 int
 780 cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,
 781     uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount)
 782 {
 783         const cdf_section_header_t *shp;
 784         cdf_section_header_t sh;
 785         const uint8_t *p, *q, *e;
 786         int16_t s16;
 787         int32_t s32;
 788         uint32_t u32;
 789         int64_t s64;
 790         uint64_t u64;
 791         cdf_timestamp_t tp;
 792         size_t i, o, o4, nelements, j;
 793         cdf_property_info_t *inp;
 794
 795         if (offs > UINT32_MAX / 4) {
 796                 errno = EFTYPE;
 797                 goto out;
 798         }
 799         shp = CAST(const cdf_section_header_t *, (const void *)
 800             ((const char *)sst->sst_tab + offs));
 801         if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1)
 802                 goto out;
 803         sh.sh_len = CDF_TOLE4(shp->sh_len);
 804 #define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
 805         if (sh.sh_len > CDF_SHLEN_LIMIT) {
 806                 errno = EFTYPE;
 807                 goto out;
 808         }
 809         sh.sh_properties = CDF_TOLE4(shp->sh_properties);
 810 #define CDF_PROP_LIMIT (UINT32_MAX / (4 * sizeof(*inp)))
 811         if (sh.sh_properties > CDF_PROP_LIMIT)
 812                 goto out;
 813         DPRINTF(("section len: %u properties %u\n", sh.sh_len,
 814             sh.sh_properties));
 815         if (*maxcount) {
 816                 if (*maxcount > CDF_PROP_LIMIT)
 817                         goto out;
 818                 *maxcount += sh.sh_properties;
 819                 inp = CAST(cdf_property_info_t *,
 820                     realloc(*info, *maxcount * sizeof(*inp)));
 821         } else {
 822                 *maxcount = sh.sh_properties;
 823                 inp = CAST(cdf_property_info_t *,
 824                     malloc(*maxcount * sizeof(*inp)));
 825         }
 826         if (inp == NULL)
 827                 goto out;
 828         *info = inp;
 829         inp += *count;
 830         *count += sh.sh_properties;
 831         p = CAST(const uint8_t *, (const void *)
 832             ((const char *)(const void *)sst->sst_tab +
 833             offs + sizeof(sh)));
 834         e = CAST(const uint8_t *, (const void *)
 835             (((const char *)(const void *)shp) + sh.sh_len));
 836         if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
 837                 goto out;
 838         for (i = 0; i < sh.sh_properties; i++) {
 839                 size_t tail = (i << 1) + 1;
 840                 size_t ofs;
 841                 if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t),
 842                     __LINE__) == -1)
 843                         goto out;
 844                 ofs = CDF_GETUINT32(p, tail);
 845                 q = (const uint8_t *)(const void *)
 846                     ((const char *)(const void *)p + ofs
 847                     - 2 * sizeof(uint32_t));
 848                 if (q < p) {
 849                         DPRINTF(("Wrapped around %p < %p\n", q, p));
 850                         goto out;
 851                 }
 852                 if (q > e) {
 853                         DPRINTF(("Ran of the end %p > %p\n", q, e));
 854                         goto out;
 855                 }
 856                 inp[i].pi_id = CDF_GETUINT32(p, i << 1);
 857                 inp[i].pi_type = CDF_GETUINT32(q, 0);
 858                 DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
 859                     i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
 860                 if (inp[i].pi_type & CDF_VECTOR) {
 861                         nelements = CDF_GETUINT32(q, 1);
 862                         if (nelements == 0) {
 863                                 DPRINTF(("CDF_VECTOR with nelements == 0\n"));
 864                                 goto out;
 865                         }
 866                         o = 2;
 867                 } else {
 868                         nelements = 1;
 869                         o = 1;
 870                 }
 871                 o4 = o * sizeof(uint32_t);
 872                 if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
 873                         goto unknown;
 874                 switch (inp[i].pi_type & CDF_TYPEMASK) {
 875                 case CDF_NULL:
 876                 case CDF_EMPTY:
 877                         break;
 878                 case CDF_SIGNED16:
 879                         if (inp[i].pi_type & CDF_VECTOR)
 880                                 goto unknown;
 881                         (void)memcpy(&s16, &q[o4], sizeof(s16));
 882                         inp[i].pi_s16 = CDF_TOLE2(s16);
 883                         break;
 884                 case CDF_SIGNED32:
 885                         if (inp[i].pi_type & CDF_VECTOR)
 886                                 goto unknown;
 887                         (void)memcpy(&s32, &q[o4], sizeof(s32));
 888                         inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
 889                         break;
 890                 case CDF_BOOL:
 891                 case CDF_UNSIGNED32:
 892                         if (inp[i].pi_type & CDF_VECTOR)
 893                                 goto unknown;
 894                         (void)memcpy(&u32, &q[o4], sizeof(u32));
 895                         inp[i].pi_u32 = CDF_TOLE4(u32);
 896                         break;
 897                 case CDF_SIGNED64:
 898                         if (inp[i].pi_type & CDF_VECTOR)
 899                                 goto unknown;
 900                         (void)memcpy(&s64, &q[o4], sizeof(s64));
 901                         inp[i].pi_s64 = CDF_TOLE8((uint64_t)s64);
 902                         break;
 903                 case CDF_UNSIGNED64:
 904                         if (inp[i].pi_type & CDF_VECTOR)
 905                                 goto unknown;
 906                         (void)memcpy(&u64, &q[o4], sizeof(u64));
 907                         inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
 908                         break;
 909                 case CDF_FLOAT:
 910                         if (inp[i].pi_type & CDF_VECTOR)
 911                                 goto unknown;
 912                         (void)memcpy(&u32, &q[o4], sizeof(u32));
 913                         u32 = CDF_TOLE4(u32);
 914                         memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
 915                         break;
 916                 case CDF_DOUBLE:
 917                         if (inp[i].pi_type & CDF_VECTOR)
 918                                 goto unknown;
 919                         (void)memcpy(&u64, &q[o4], sizeof(u64));
 920                         u64 = CDF_TOLE8((uint64_t)u64);
 921                         memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
 922                         break;
 923                 case CDF_LENGTH32_STRING:
 924                 case CDF_LENGTH32_WSTRING:
 925                         if (nelements > 1) {
 926                                 size_t nelem = inp - *info;
 927                                 if (*maxcount > CDF_PROP_LIMIT
 928                                     || nelements > CDF_PROP_LIMIT)
 929                                         goto out;
 930                                 *maxcount += nelements;
 931                                 inp = CAST(cdf_property_info_t *,
 932                                     realloc(*info, *maxcount * sizeof(*inp)));
 933                                 if (inp == NULL)
 934                                         goto out;
 935                                 *info = inp;
 936                                 inp = *info + nelem;
 937                         }
 938                         DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
 939                             nelements));
 940                         for (j = 0; j < nelements && i < sh.sh_properties;
 941                             j++, i++)
 942                         {
 943                                 uint32_t l = CDF_GETUINT32(q, o);
 944                                 inp[i].pi_str.s_len = l;
 945                                 inp[i].pi_str.s_buf = (const char *)
 946                                     (const void *)(&q[o4 + sizeof(l)]);
 947                                 DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
 948                                     "u, s = %s\n", l,
 949                                     CDF_ROUND(l, sizeof(l)),
 950                                     inp[i].pi_str.s_buf));
 951                                 if (l & 1)
 952                                         l++;
 953                                 o += l >> 1;
 954                                 if (q + o >= e)
 955                                         goto out;
 956                                 o4 = o * sizeof(uint32_t);
 957                         }
 958                         i--;
 959                         break;
 960                 case CDF_FILETIME:
 961                         if (inp[i].pi_type & CDF_VECTOR)
 962                                 goto unknown;
 963                         (void)memcpy(&tp, &q[o4], sizeof(tp));
 964                         inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
 965                         break;
 966                 case CDF_CLIPBOARD:
 967                         if (inp[i].pi_type & CDF_VECTOR)
 968                                 goto unknown;
 969                         break;
 970                 default:
 971                 unknown:
 972                         DPRINTF(("Don't know how to deal with %x\n",
 973                             inp[i].pi_type));
 974                         break;
 975                 }
 976         }
 977         return 0;
 978 out:
 979         free(*info);
 980         return -1;
 981 }
 982
 983 int
 984 cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
 985     cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
 986 {
 987         size_t maxcount;
 988         const cdf_summary_info_header_t *si =
 989             CAST(const cdf_summary_info_header_t *, sst->sst_tab);
 990         const cdf_section_declaration_t *sd =
 991             CAST(const cdf_section_declaration_t *, (const void *)
 992             ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET));
 993
 994         if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 ||
 995             cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1)
 996                 return -1;
 997         ssi->si_byte_order = CDF_TOLE2(si->si_byte_order);
 998         ssi->si_os_version = CDF_TOLE2(si->si_os_version);
 999         ssi->si_os = CDF_TOLE2(si->si_os);
1000         ssi->si_class = si->si_class;
1001         cdf_swap_class(&ssi->si_class);
1002         ssi->si_count = CDF_TOLE4(si->si_count);
1003         *count = 0;
1004         maxcount = 0;
1005         *info = NULL;
1006         if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info,
1007             count, &maxcount) == -1)
1008                 return -1;
1009         return 0;
1010 }
1011
1012
1013 #define extract_catalog_field(t, f, l) \
1014     if (b + l + sizeof(cep->f) > eb) { \
1015             cep->ce_namlen = 0; \
1016             break; \
1017     } \
1018     memcpy(&cep->f, b + (l), sizeof(cep->f)); \
1019     ce[i].f = CAST(t, CDF_TOLE(cep->f))
1020
1021 int
1022 cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst,
1023     cdf_catalog_t **cat)
1024 {
1025         size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1026             CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1027         const char *b = CAST(const char *, sst->sst_tab);
1028         const char *eb = b + ss * sst->sst_len;
1029         size_t nr, i, j, k;
1030         cdf_catalog_entry_t *ce;
1031         uint16_t reclen;
1032         const uint16_t *np;
1033
1034         for (nr = 0;; nr++) {
1035                 memcpy(&reclen, b, sizeof(reclen));
1036                 reclen = CDF_TOLE2(reclen);
1037                 if (reclen == 0)
1038                         break;
1039                 b += reclen;
1040                 if (b > eb)
1041                     break;
1042         }
1043         nr--;
1044         *cat = CAST(cdf_catalog_t *,
1045             malloc(sizeof(cdf_catalog_t) + nr * sizeof(*ce)));
1046         ce = (*cat)->cat_e;
1047         memset(ce, 0, nr * sizeof(*ce));
1048         b = CAST(const char *, sst->sst_tab);
1049         for (j = i = 0; i < nr; b += reclen) {
1050                 cdf_catalog_entry_t *cep = &ce[j];
1051                 uint16_t rlen;
1052
1053                 extract_catalog_field(uint16_t, ce_namlen, 0);
1054                 extract_catalog_field(uint16_t, ce_num, 4);
1055                 extract_catalog_field(uint64_t, ce_timestamp, 8);
1056                 reclen = cep->ce_namlen;
1057
1058                 if (reclen < 14) {
1059                         cep->ce_namlen = 0;
1060                         continue;
1061                 }
1062
1063                 cep->ce_namlen = __arraycount(cep->ce_name) - 1;
1064                 rlen = reclen - 14;
1065                 if (cep->ce_namlen > rlen)
1066                         cep->ce_namlen = rlen;
1067
1068                 np = CAST(const uint16_t *, CAST(const void *, (b + 16)));
1069                 if (CAST(const char *, np + cep->ce_namlen) > eb) {
1070                         cep->ce_namlen = 0;
1071                         break;
1072                 }
1073
1074                 for (k = 0; k < cep->ce_namlen; k++)
1075                         cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */
1076                 cep->ce_name[cep->ce_namlen] = 0;
1077                 j = i;
1078                 i++;
1079         }
1080         (*cat)->cat_num = j;
1081         return 0;
1082 }
1083
1084 int
1085 cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
1086 {
1087         return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
1088             "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
1089             id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
1090             id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4],
1091             id->cl_six[5]);
1092 }
1093
1094 static const struct {
1095         uint32_t v;
1096         const char *n;
1097 } vn[] = {
1098         { CDF_PROPERTY_CODE_PAGE, "Code page" },
1099         { CDF_PROPERTY_TITLE, "Title" },
1100         { CDF_PROPERTY_SUBJECT, "Subject" },
1101         { CDF_PROPERTY_AUTHOR, "Author" },
1102         { CDF_PROPERTY_KEYWORDS, "Keywords" },
1103         { CDF_PROPERTY_COMMENTS, "Comments" },
1104         { CDF_PROPERTY_TEMPLATE, "Template" },
1105         { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" },
1106         { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" },
1107         { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" },
1108         { CDF_PROPERTY_LAST_PRINTED, "Last Printed" },
1109         { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" },
1110         { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" },
1111         { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" },
1112         { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" },
1113         { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" },
1114         { CDF_PROPERTY_THUMBNAIL, "Thumbnail" },
1115         { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" },
1116         { CDF_PROPERTY_SECURITY, "Security" },
1117         { CDF_PROPERTY_LOCALE_ID, "Locale ID" },
1118 };
1119
1120 int
1121 cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p)
1122 {
1123         size_t i;
1124
1125         for (i = 0; i < __arraycount(vn); i++)
1126                 if (vn[i].v == p)
1127                         return snprintf(buf, bufsiz, "%s", vn[i].n);
1128         return snprintf(buf, bufsiz, "0x%x", p);
1129 }
1130
1131 int
1132 cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
1133 {
1134         int len = 0;
1135         int days, hours, mins, secs;
1136
1137         ts /= CDF_TIME_PREC;
1138         secs = (int)(ts % 60);
1139         ts /= 60;
1140         mins = (int)(ts % 60);
1141         ts /= 60;
1142         hours = (int)(ts % 24);
1143         ts /= 24;
1144         days = (int)ts;
1145
1146         if (days) {
1147                 len += snprintf(buf + len, bufsiz - len, "%dd+", days);
1148                 if ((size_t)len >= bufsiz)
1149                         return len;
1150         }
1151
1152         if (days || hours) {
1153                 len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
1154                 if ((size_t)len >= bufsiz)
1155                         return len;
1156         }
1157
1158         len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
1159         if ((size_t)len >= bufsiz)
1160                 return len;
1161
1162         len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
1163         return len;
1164 }
1165
1166 char *
1167 cdf_u16tos8(char *buf, size_t len, const uint16_t *p)
1168 {
1169         size_t i;
1170         for (i = 0; i < len && p[i]; i++)
1171                 buf[i] = (char)p[i];
1172         buf[i] = '\0';
1173         return buf;
1174 }
1175
1176 #ifdef CDF_DEBUG
1177 void
1178 cdf_dump_header(const cdf_header_t *h)
1179 {
1180         size_t i;
1181
1182 #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b)
1183 #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \
1184     h->h_ ## b, 1 << h->h_ ## b)
1185         DUMP("%d", revision);
1186         DUMP("%d", version);
1187         DUMP("0x%x", byte_order);
1188         DUMP2("%d", sec_size_p2);
1189         DUMP2("%d", short_sec_size_p2);
1190         DUMP("%d", num_sectors_in_sat);
1191         DUMP("%d", secid_first_directory);
1192         DUMP("%d", min_size_standard_stream);
1193         DUMP("%d", secid_first_sector_in_short_sat);
1194         DUMP("%d", num_sectors_in_short_sat);
1195         DUMP("%d", secid_first_sector_in_master_sat);
1196         DUMP("%d", num_sectors_in_master_sat);
1197         for (i = 0; i < __arraycount(h->h_master_sat); i++) {
1198                 if (h->h_master_sat[i] == CDF_SECID_FREE)
1199                         break;
1200                 (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n",
1201                     "master_sat", i, h->h_master_sat[i]);
1202         }
1203 }
1204
1205 void
1206 cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
1207 {
1208         size_t i, j, s = size / sizeof(cdf_secid_t);
1209
1210         for (i = 0; i < sat->sat_len; i++) {
1211                 (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
1212                     SIZE_T_FORMAT "u: ", prefix, i, i * s);
1213                 for (j = 0; j < s; j++) {
1214                         (void)fprintf(stderr, "%5d, ",
1215                             CDF_TOLE4(sat->sat_tab[s * i + j]));
1216                         if ((j + 1) % 10 == 0)
1217                                 (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
1218                                     "u: ", i * s + j + 1);
1219                 }
1220                 (void)fprintf(stderr, "\n");
1221         }
1222 }
1223
1224 void
1225 cdf_dump(const void *v, size_t len)
1226 {
1227         size_t i, j;
1228         const unsigned char *p = v;
1229         char abuf[16];
1230
1231         (void)fprintf(stderr, "%.4x: ", 0);
1232         for (i = 0, j = 0; i < len; i++, p++) {
1233                 (void)fprintf(stderr, "%.2x ", *p);
1234                 abuf[j++] = isprint(*p) ? *p : '.';
1235                 if (j == 16) {
1236                         j = 0;
1237                         abuf[15] = '\0';
1238                         (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
1239                             abuf, i + 1);
1240                 }
1241         }
1242         (void)fprintf(stderr, "\n");
1243 }
1244
1245 void
1246 cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
1247 {
1248         size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
1249             CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
1250         cdf_dump(sst->sst_tab, ss * sst->sst_len);
1251 }
1252
1253 void
1254 cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h,
1255     const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
1256     const cdf_dir_t *dir)
1257 {
1258         size_t i, j;
1259         cdf_directory_t *d;
1260         char name[__arraycount(d->d_name)];
1261         cdf_stream_t scn;
1262         struct timespec ts;
1263
1264         static const char *types[] = { "empty", "user storage",
1265             "user stream", "lockbytes", "property", "root storage" };
1266
1267         for (i = 0; i < dir->dir_len; i++) {
1268                 char buf[26];
1269                 d = &dir->dir_tab[i];
1270                 for (j = 0; j < sizeof(name); j++)
1271                         name[j] = (char)CDF_TOLE2(d->d_name[j]);
1272                 (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n",
1273                     i, name);
1274                 if (d->d_type < __arraycount(types))
1275                         (void)fprintf(stderr, "Type: %s\n", types[d->d_type]);
1276                 else
1277                         (void)fprintf(stderr, "Type: %d\n", d->d_type);
1278                 (void)fprintf(stderr, "Color: %s\n",
1279                     d->d_color ? "black" : "red");
1280                 (void)fprintf(stderr, "Left child: %d\n", d->d_left_child);
1281                 (void)fprintf(stderr, "Right child: %d\n", d->d_right_child);
1282                 (void)fprintf(stderr, "Flags: 0x%x\n", d->d_flags);
1283                 cdf_timestamp_to_timespec(&ts, d->d_created);
1284                 (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf));
1285                 cdf_timestamp_to_timespec(&ts, d->d_modified);
1286                 (void)fprintf(stderr, "Modified %s",
1287                     cdf_ctime(&ts.tv_sec, buf));
1288                 (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector);
1289                 (void)fprintf(stderr, "Size %d\n", d->d_size);
1290                 switch (d->d_type) {
1291                 case CDF_DIR_TYPE_USER_STORAGE:
1292                         (void)fprintf(stderr, "Storage: %d\n", d->d_storage);
1293                         break;
1294                 case CDF_DIR_TYPE_USER_STREAM:
1295                         if (sst == NULL)
1296                                 break;
1297                         if (cdf_read_sector_chain(info, h, sat, ssat, sst,
1298                             d->d_stream_first_sector, d->d_size, &scn) == -1) {
1299                                 warn("Can't read stream for %s at %d len %d",
1300                                     name, d->d_stream_first_sector, d->d_size);
1301                                 break;
1302                         }
1303                         cdf_dump_stream(h, &scn);
1304                         free(scn.sst_tab);
1305                         break;
1306                 default:
1307                         break;
1308                 }
1309
1310         }
1311 }
1312
1313 void
1314 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
1315 {
1316         cdf_timestamp_t tp;
1317         struct timespec ts;
1318         char buf[64];
1319         size_t i, j;
1320
1321         for (i = 0; i < count; i++) {
1322                 cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
1323                 (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
1324                 switch (info[i].pi_type) {
1325                 case CDF_NULL:
1326                         break;
1327                 case CDF_SIGNED16:
1328                         (void)fprintf(stderr, "signed 16 [%hd]\n",
1329                             info[i].pi_s16);
1330                         break;
1331                 case CDF_SIGNED32:
1332                         (void)fprintf(stderr, "signed 32 [%d]\n",
1333                             info[i].pi_s32);
1334                         break;
1335                 case CDF_UNSIGNED32:
1336                         (void)fprintf(stderr, "unsigned 32 [%u]\n",
1337                             info[i].pi_u32);
1338                         break;
1339                 case CDF_FLOAT:
1340                         (void)fprintf(stderr, "float [%g]\n",
1341                             info[i].pi_f);
1342                         break;
1343                 case CDF_DOUBLE:
1344                         (void)fprintf(stderr, "double [%g]\n",
1345                             info[i].pi_d);
1346                         break;
1347                 case CDF_LENGTH32_STRING:
1348                         (void)fprintf(stderr, "string %u [%.*s]\n",
1349                             info[i].pi_str.s_len,
1350                             info[i].pi_str.s_len, info[i].pi_str.s_buf);
1351                         break;
1352                 case CDF_LENGTH32_WSTRING:
1353                         (void)fprintf(stderr, "string %u [",
1354                             info[i].pi_str.s_len);
1355                         for (j = 0; j < info[i].pi_str.s_len - 1; j++)
1356                             (void)fputc(info[i].pi_str.s_buf[j << 1], stderr);
1357                         (void)fprintf(stderr, "]\n");
1358                         break;
1359                 case CDF_FILETIME:
1360                         tp = info[i].pi_tp;
1361                         if (tp < 1000000000000000LL) {
1362                                 cdf_print_elapsed_time(buf, sizeof(buf), tp);
1363                                 (void)fprintf(stderr, "timestamp %s\n", buf);
1364                         } else {
1365                                 char tbuf[26];
1366                                 cdf_timestamp_to_timespec(&ts, tp);
1367                                 (void)fprintf(stderr, "timestamp %s",
1368                                     cdf_ctime(&ts.tv_sec, tbuf));
1369                         }
1370                         break;
1371                 case CDF_CLIPBOARD:
1372                         (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32);
1373                         break;
1374                 default:
1375                         DPRINTF(("Don't know how to deal with %x\n",
1376                             info[i].pi_type));
1377                         break;
1378                 }
1379         }
1380 }
1381
1382
1383 void
1384 cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst)
1385 {
1386         char buf[128];
1387         cdf_summary_info_header_t ssi;
1388         cdf_property_info_t *info;
1389         size_t count;
1390
1391         (void)&h;
1392         if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1)
1393                 return;
1394         (void)fprintf(stderr, "Endian: %x\n", ssi.si_byte_order);
1395         (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff,
1396             ssi.si_os_version >> 8);
1397         (void)fprintf(stderr, "Os %d\n", ssi.si_os);
1398         cdf_print_classid(buf, sizeof(buf), &ssi.si_class);
1399         (void)fprintf(stderr, "Class %s\n", buf);
1400         (void)fprintf(stderr, "Count %d\n", ssi.si_count);
1401         cdf_dump_property_info(info, count);
1402         free(info);
1403 }
1404
1405
1406 void
1407 cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst)
1408 {
1409         cdf_catalog_t *cat;
1410         cdf_unpack_catalog(h, sst, &cat);
1411         const cdf_catalog_entry_t *ce = cat->cat_e;
1412         struct timespec ts;
1413         char tbuf[64], sbuf[256];
1414         size_t i;
1415
1416         printf("Catalog:\n");
1417         for (i = 0; i < cat->cat_num; i++) {
1418                 cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp);
1419                 printf("\t%d %s %s", ce[i].ce_num,
1420                     cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name),
1421                     cdf_ctime(&ts.tv_sec, tbuf));
1422         }
1423         free(cat);
1424 }
1425
1426 #endif
1427
1428 #ifdef TEST
1429 int
1430 main(int argc, char *argv[])
1431 {
1432         int i;
1433         cdf_header_t h;
1434         cdf_sat_t sat, ssat;
1435         cdf_stream_t sst, scn;
1436         cdf_dir_t dir;
1437         cdf_info_t info;
1438         const cdf_directory_t *root;
1439 #ifdef __linux__
1440 #define getprogname() __progname
1441         extern char *__progname;
1442 #endif
1443         if (argc < 2) {
1444                 (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname());
1445                 return -1;
1446         }
1447
1448         info.i_buf = NULL;
1449         info.i_len = 0;
1450         for (i = 1; i < argc; i++) {
1451                 if ((info.i_fd = open(argv[1], O_RDONLY)) == -1)
1452                         err(1, "Cannot open `%s'", argv[1]);
1453
1454                 if (cdf_read_header(&info, &h) == -1)
1455                         err(1, "Cannot read header");
1456 #ifdef CDF_DEBUG
1457                 cdf_dump_header(&h);
1458 #endif
1459
1460                 if (cdf_read_sat(&info, &h, &sat) == -1)
1461                         err(1, "Cannot read sat");
1462 #ifdef CDF_DEBUG
1463                 cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h));
1464 #endif
1465
1466                 if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1)
1467                         err(1, "Cannot read ssat");
1468 #ifdef CDF_DEBUG
1469                 cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
1470 #endif
1471
1472                 if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
1473                         err(1, "Cannot read dir");
1474
1475                 if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root)
1476                     == -1)
1477                         err(1, "Cannot read short stream");
1478 #ifdef CDF_DEBUG
1479                 cdf_dump_stream(&h, &sst);
1480 #endif
1481
1482 #ifdef CDF_DEBUG
1483                 cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir);
1484 #endif
1485
1486
1487                 if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir,
1488                     &scn) == -1)
1489                         warn("Cannot read summary info");
1490 #ifdef CDF_DEBUG
1491                 else
1492                         cdf_dump_summary_info(&h, &scn);
1493 #endif
1494                 if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst,
1495                     &dir, "Catalog", &scn) == -1)
1496                         warn("Cannot read catalog");
1497 #ifdef CDF_DEBUG
1498                 else
1499                         cdf_dump_catalog(&h, &scn);
1500 #endif
1501
1502                 (void)close(info.i_fd);
1503         }
1504
1505         return 0;
1506 }
1507 #endif