1191739Sobrien/*- 2191739Sobrien * Copyright (c) 2008 Christos Zoulas 3191739Sobrien * All rights reserved. 4191739Sobrien * 5191739Sobrien * Redistribution and use in source and binary forms, with or without 6191739Sobrien * modification, are permitted provided that the following conditions 7191739Sobrien * are met: 8191739Sobrien * 1. Redistributions of source code must retain the above copyright 9191739Sobrien * notice, this list of conditions and the following disclaimer. 10191739Sobrien * 2. Redistributions in binary form must reproduce the above copyright 11191739Sobrien * notice, this list of conditions and the following disclaimer in the 12191739Sobrien * documentation and/or other materials provided with the distribution. 13191739Sobrien * 14191739Sobrien * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15191739Sobrien * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16191739Sobrien * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17191739Sobrien * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18191739Sobrien * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19191739Sobrien * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20191739Sobrien * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21191739Sobrien * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22191739Sobrien * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23191739Sobrien * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24191739Sobrien * POSSIBILITY OF SUCH DAMAGE. 25191739Sobrien */ 26191739Sobrien/* 27226048Sobrien * Parse Composite Document Files, the format used in Microsoft Office 28226048Sobrien * document files before they switched to zipped XML. 29191739Sobrien * Info from: http://sc.openoffice.org/compdocfileformat.pdf 30226048Sobrien * 31226048Sobrien * N.B. This is the "Composite Document File" format, and not the 32226048Sobrien * "Compound Document Format", nor the "Channel Definition Format". 33191739Sobrien */ 34191739Sobrien 35191739Sobrien#include "file.h" 36191739Sobrien 37191739Sobrien#ifndef lint 38354939SdelphijFILE_RCSID("@(#)$File: cdf.c,v 1.116 2019/08/26 14:31:39 christos Exp $") 39191739Sobrien#endif 40191739Sobrien 41191739Sobrien#include <assert.h> 42191739Sobrien#ifdef CDF_DEBUG 43191739Sobrien#include <err.h> 44191739Sobrien#endif 45191739Sobrien#include <stdlib.h> 46191739Sobrien#include <unistd.h> 47191739Sobrien#include <string.h> 48191739Sobrien#include <time.h> 49191739Sobrien#include <ctype.h> 50226048Sobrien#include <limits.h> 51191739Sobrien 52191739Sobrien#ifndef EFTYPE 53191739Sobrien#define EFTYPE EINVAL 54191739Sobrien#endif 55191739Sobrien 56354939Sdelphij#ifndef SIZE_T_MAX 57354939Sdelphij#define SIZE_T_MAX CAST(size_t, ~0ULL) 58354939Sdelphij#endif 59354939Sdelphij 60191739Sobrien#include "cdf.h" 61191739Sobrien 62191739Sobrien#ifdef CDF_DEBUG 63192348Sdelphij#define DPRINTF(a) printf a, fflush(stdout) 64191739Sobrien#else 65191739Sobrien#define DPRINTF(a) 66191739Sobrien#endif 67191739Sobrien 68191739Sobrienstatic union { 69191739Sobrien char s[4]; 70191739Sobrien uint32_t u; 71191739Sobrien} cdf_bo; 72191739Sobrien 73354939Sdelphij#define NEED_SWAP (cdf_bo.u == CAST(uint32_t, 0x01020304)) 74191739Sobrien 75354939Sdelphij#define CDF_TOLE8(x) \ 76354939Sdelphij (CAST(uint64_t, NEED_SWAP ? _cdf_tole8(x) : CAST(uint64_t, x))) 77354939Sdelphij#define CDF_TOLE4(x) \ 78354939Sdelphij (CAST(uint32_t, NEED_SWAP ? _cdf_tole4(x) : CAST(uint32_t, x))) 79354939Sdelphij#define CDF_TOLE2(x) \ 80354939Sdelphij (CAST(uint16_t, NEED_SWAP ? _cdf_tole2(x) : CAST(uint16_t, x))) 81284237Sdelphij#define CDF_TOLE(x) (/*CONSTCOND*/sizeof(x) == 2 ? \ 82284237Sdelphij CDF_TOLE2(CAST(uint16_t, x)) : \ 83284237Sdelphij (/*CONSTCOND*/sizeof(x) == 4 ? \ 84284237Sdelphij CDF_TOLE4(CAST(uint32_t, x)) : \ 85284237Sdelphij CDF_TOLE8(CAST(uint64_t, x)))) 86226048Sobrien#define CDF_GETUINT32(x, y) cdf_getuint32(x, y) 87191739Sobrien 88328874Seadler#define CDF_MALLOC(n) cdf_malloc(__FILE__, __LINE__, (n)) 89328874Seadler#define CDF_REALLOC(p, n) cdf_realloc(__FILE__, __LINE__, (p), (n)) 90328874Seadler#define CDF_CALLOC(n, u) cdf_calloc(__FILE__, __LINE__, (n), (u)) 91234250Sobrien 92328874Seadler 93337827Seadler/*ARGSUSED*/ 94328874Seadlerstatic void * 95328874Seadlercdf_malloc(const char *file __attribute__((__unused__)), 96328874Seadler size_t line __attribute__((__unused__)), size_t n) 97328874Seadler{ 98354939Sdelphij DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n", 99354939Sdelphij file, line, __func__, n)); 100328874Seadler return malloc(n); 101328874Seadler} 102328874Seadler 103337827Seadler/*ARGSUSED*/ 104328874Seadlerstatic void * 105328874Seadlercdf_realloc(const char *file __attribute__((__unused__)), 106328874Seadler size_t line __attribute__((__unused__)), void *p, size_t n) 107328874Seadler{ 108354939Sdelphij DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n", 109354939Sdelphij file, line, __func__, n)); 110328874Seadler return realloc(p, n); 111328874Seadler} 112328874Seadler 113337827Seadler/*ARGSUSED*/ 114328874Seadlerstatic void * 115328874Seadlercdf_calloc(const char *file __attribute__((__unused__)), 116328874Seadler size_t line __attribute__((__unused__)), size_t n, size_t u) 117328874Seadler{ 118354939Sdelphij DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u %" 119354939Sdelphij SIZE_T_FORMAT "u\n", file, line, __func__, n, u)); 120328874Seadler return calloc(n, u); 121328874Seadler} 122328874Seadler 123191739Sobrien/* 124191739Sobrien * swap a short 125191739Sobrien */ 126226048Sobrienstatic uint16_t 127226048Sobrien_cdf_tole2(uint16_t sv) 128191739Sobrien{ 129191739Sobrien uint16_t rv; 130354939Sdelphij uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); 131354939Sdelphij uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); 132191739Sobrien d[0] = s[1]; 133191739Sobrien d[1] = s[0]; 134191739Sobrien return rv; 135191739Sobrien} 136191739Sobrien 137191739Sobrien/* 138191739Sobrien * swap an int 139191739Sobrien */ 140226048Sobrienstatic uint32_t 141226048Sobrien_cdf_tole4(uint32_t sv) 142191739Sobrien{ 143191739Sobrien uint32_t rv; 144354939Sdelphij uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); 145354939Sdelphij uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); 146191739Sobrien d[0] = s[3]; 147191739Sobrien d[1] = s[2]; 148191739Sobrien d[2] = s[1]; 149191739Sobrien d[3] = s[0]; 150191739Sobrien return rv; 151191739Sobrien} 152191739Sobrien 153191739Sobrien/* 154191739Sobrien * swap a quad 155191739Sobrien */ 156226048Sobrienstatic uint64_t 157226048Sobrien_cdf_tole8(uint64_t sv) 158191739Sobrien{ 159191739Sobrien uint64_t rv; 160354939Sdelphij uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); 161354939Sdelphij uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); 162191739Sobrien d[0] = s[7]; 163191739Sobrien d[1] = s[6]; 164191739Sobrien d[2] = s[5]; 165191739Sobrien d[3] = s[4]; 166191739Sobrien d[4] = s[3]; 167191739Sobrien d[5] = s[2]; 168191739Sobrien d[6] = s[1]; 169191739Sobrien d[7] = s[0]; 170191739Sobrien return rv; 171191739Sobrien} 172191739Sobrien 173226048Sobrien/* 174226048Sobrien * grab a uint32_t from a possibly unaligned address, and return it in 175226048Sobrien * the native host order. 176226048Sobrien */ 177226048Sobrienstatic uint32_t 178226048Sobriencdf_getuint32(const uint8_t *p, size_t offs) 179226048Sobrien{ 180226048Sobrien uint32_t rv; 181226048Sobrien (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); 182226048Sobrien return CDF_TOLE4(rv); 183226048Sobrien} 184226048Sobrien 185191739Sobrien#define CDF_UNPACK(a) \ 186191739Sobrien (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) 187191739Sobrien#define CDF_UNPACKA(a) \ 188191739Sobrien (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) 189191739Sobrien 190226048Sobrienuint16_t 191226048Sobriencdf_tole2(uint16_t sv) 192226048Sobrien{ 193226048Sobrien return CDF_TOLE2(sv); 194226048Sobrien} 195226048Sobrien 196226048Sobrienuint32_t 197226048Sobriencdf_tole4(uint32_t sv) 198226048Sobrien{ 199226048Sobrien return CDF_TOLE4(sv); 200226048Sobrien} 201226048Sobrien 202226048Sobrienuint64_t 203226048Sobriencdf_tole8(uint64_t sv) 204226048Sobrien{ 205226048Sobrien return CDF_TOLE8(sv); 206226048Sobrien} 207226048Sobrien 208191739Sobrienvoid 209191739Sobriencdf_swap_header(cdf_header_t *h) 210191739Sobrien{ 211191739Sobrien size_t i; 212191739Sobrien 213191739Sobrien h->h_magic = CDF_TOLE8(h->h_magic); 214191739Sobrien h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); 215191739Sobrien h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); 216191739Sobrien h->h_revision = CDF_TOLE2(h->h_revision); 217191739Sobrien h->h_version = CDF_TOLE2(h->h_version); 218191739Sobrien h->h_byte_order = CDF_TOLE2(h->h_byte_order); 219191739Sobrien h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); 220191739Sobrien h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); 221191739Sobrien h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); 222191739Sobrien h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); 223191739Sobrien h->h_min_size_standard_stream = 224191739Sobrien CDF_TOLE4(h->h_min_size_standard_stream); 225191739Sobrien h->h_secid_first_sector_in_short_sat = 226354939Sdelphij CDF_TOLE4(CAST(uint32_t, h->h_secid_first_sector_in_short_sat)); 227191739Sobrien h->h_num_sectors_in_short_sat = 228191739Sobrien CDF_TOLE4(h->h_num_sectors_in_short_sat); 229191739Sobrien h->h_secid_first_sector_in_master_sat = 230354939Sdelphij CDF_TOLE4(CAST(uint32_t, h->h_secid_first_sector_in_master_sat)); 231191739Sobrien h->h_num_sectors_in_master_sat = 232191739Sobrien CDF_TOLE4(h->h_num_sectors_in_master_sat); 233354939Sdelphij for (i = 0; i < __arraycount(h->h_master_sat); i++) { 234354939Sdelphij h->h_master_sat[i] = 235354939Sdelphij CDF_TOLE4(CAST(uint32_t, h->h_master_sat[i])); 236354939Sdelphij } 237191739Sobrien} 238191739Sobrien 239191739Sobrienvoid 240191739Sobriencdf_unpack_header(cdf_header_t *h, char *buf) 241191739Sobrien{ 242191739Sobrien size_t i; 243191739Sobrien size_t len = 0; 244191739Sobrien 245191739Sobrien CDF_UNPACK(h->h_magic); 246191739Sobrien CDF_UNPACKA(h->h_uuid); 247191739Sobrien CDF_UNPACK(h->h_revision); 248191739Sobrien CDF_UNPACK(h->h_version); 249191739Sobrien CDF_UNPACK(h->h_byte_order); 250191739Sobrien CDF_UNPACK(h->h_sec_size_p2); 251191739Sobrien CDF_UNPACK(h->h_short_sec_size_p2); 252191739Sobrien CDF_UNPACKA(h->h_unused0); 253191739Sobrien CDF_UNPACK(h->h_num_sectors_in_sat); 254191739Sobrien CDF_UNPACK(h->h_secid_first_directory); 255191739Sobrien CDF_UNPACKA(h->h_unused1); 256191739Sobrien CDF_UNPACK(h->h_min_size_standard_stream); 257191739Sobrien CDF_UNPACK(h->h_secid_first_sector_in_short_sat); 258191739Sobrien CDF_UNPACK(h->h_num_sectors_in_short_sat); 259191739Sobrien CDF_UNPACK(h->h_secid_first_sector_in_master_sat); 260191739Sobrien CDF_UNPACK(h->h_num_sectors_in_master_sat); 261191739Sobrien for (i = 0; i < __arraycount(h->h_master_sat); i++) 262191739Sobrien CDF_UNPACK(h->h_master_sat[i]); 263191739Sobrien} 264191739Sobrien 265191739Sobrienvoid 266191739Sobriencdf_swap_dir(cdf_directory_t *d) 267191739Sobrien{ 268191739Sobrien d->d_namelen = CDF_TOLE2(d->d_namelen); 269354939Sdelphij d->d_left_child = CDF_TOLE4(CAST(uint32_t, d->d_left_child)); 270354939Sdelphij d->d_right_child = CDF_TOLE4(CAST(uint32_t, d->d_right_child)); 271354939Sdelphij d->d_storage = CDF_TOLE4(CAST(uint32_t, d->d_storage)); 272191739Sobrien d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); 273191739Sobrien d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); 274191739Sobrien d->d_flags = CDF_TOLE4(d->d_flags); 275354939Sdelphij d->d_created = CDF_TOLE8(CAST(uint64_t, d->d_created)); 276354939Sdelphij d->d_modified = CDF_TOLE8(CAST(uint64_t, d->d_modified)); 277354939Sdelphij d->d_stream_first_sector = CDF_TOLE4( 278354939Sdelphij CAST(uint32_t, d->d_stream_first_sector)); 279191739Sobrien d->d_size = CDF_TOLE4(d->d_size); 280191739Sobrien} 281191739Sobrien 282191739Sobrienvoid 283191739Sobriencdf_swap_class(cdf_classid_t *d) 284191739Sobrien{ 285191739Sobrien d->cl_dword = CDF_TOLE4(d->cl_dword); 286191739Sobrien d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); 287191739Sobrien d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); 288191739Sobrien} 289191739Sobrien 290191739Sobrienvoid 291191739Sobriencdf_unpack_dir(cdf_directory_t *d, char *buf) 292191739Sobrien{ 293191739Sobrien size_t len = 0; 294191739Sobrien 295191739Sobrien CDF_UNPACKA(d->d_name); 296191739Sobrien CDF_UNPACK(d->d_namelen); 297191739Sobrien CDF_UNPACK(d->d_type); 298191739Sobrien CDF_UNPACK(d->d_color); 299191739Sobrien CDF_UNPACK(d->d_left_child); 300191739Sobrien CDF_UNPACK(d->d_right_child); 301191739Sobrien CDF_UNPACK(d->d_storage); 302191739Sobrien CDF_UNPACKA(d->d_storage_uuid); 303191739Sobrien CDF_UNPACK(d->d_flags); 304191739Sobrien CDF_UNPACK(d->d_created); 305191739Sobrien CDF_UNPACK(d->d_modified); 306191739Sobrien CDF_UNPACK(d->d_stream_first_sector); 307191739Sobrien CDF_UNPACK(d->d_size); 308191739Sobrien CDF_UNPACK(d->d_unused0); 309191739Sobrien} 310191739Sobrien 311309847Sdelphijint 312299736Sdelphijcdf_zero_stream(cdf_stream_t *scn) 313299736Sdelphij{ 314299736Sdelphij scn->sst_len = 0; 315299736Sdelphij scn->sst_dirlen = 0; 316299736Sdelphij scn->sst_ss = 0; 317299736Sdelphij free(scn->sst_tab); 318299736Sdelphij scn->sst_tab = NULL; 319299736Sdelphij return -1; 320299736Sdelphij} 321299736Sdelphij 322299736Sdelphijstatic size_t 323299736Sdelphijcdf_check_stream(const cdf_stream_t *sst, const cdf_header_t *h) 324299736Sdelphij{ 325299736Sdelphij size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? 326299736Sdelphij CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); 327299736Sdelphij assert(ss == sst->sst_ss); 328299736Sdelphij return sst->sst_ss; 329299736Sdelphij} 330299736Sdelphij 331299736Sdelphijstatic int 332226048Sobriencdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, 333226048Sobrien const void *p, size_t tail, int line) 334192348Sdelphij{ 335354939Sdelphij const char *b = RCAST(const char *, sst->sst_tab); 336354939Sdelphij const char *e = RCAST(const char *, p) + tail; 337299736Sdelphij size_t ss = cdf_check_stream(sst, h); 338284237Sdelphij /*LINTED*/(void)&line; 339354939Sdelphij if (e >= b && CAST(size_t, e - b) <= ss * sst->sst_len) 340192348Sdelphij return 0; 341267843Sdelphij DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" 342267843Sdelphij " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" 343226048Sobrien SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), 344267843Sdelphij ss * sst->sst_len, ss, sst->sst_len)); 345192348Sdelphij errno = EFTYPE; 346192348Sdelphij return -1; 347192348Sdelphij} 348192348Sdelphij 349192348Sdelphijstatic ssize_t 350192348Sdelphijcdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len) 351192348Sdelphij{ 352354939Sdelphij size_t siz = CAST(size_t, off + len); 353192348Sdelphij 354354939Sdelphij if (CAST(off_t, off + len) != CAST(off_t, siz)) 355299736Sdelphij goto out; 356192348Sdelphij 357192348Sdelphij if (info->i_buf != NULL && info->i_len >= siz) { 358192348Sdelphij (void)memcpy(buf, &info->i_buf[off], len); 359354939Sdelphij return CAST(ssize_t, len); 360192348Sdelphij } 361192348Sdelphij 362192348Sdelphij if (info->i_fd == -1) 363299736Sdelphij goto out; 364192348Sdelphij 365354939Sdelphij if (pread(info->i_fd, buf, len, off) != CAST(ssize_t, len)) 366192348Sdelphij return -1; 367192348Sdelphij 368354939Sdelphij return CAST(ssize_t, len); 369299736Sdelphijout: 370299736Sdelphij errno = EINVAL; 371299736Sdelphij return -1; 372192348Sdelphij} 373192348Sdelphij 374191739Sobrienint 375192348Sdelphijcdf_read_header(const cdf_info_t *info, cdf_header_t *h) 376191739Sobrien{ 377192348Sdelphij char buf[512]; 378192348Sdelphij 379191739Sobrien (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); 380354939Sdelphij if (cdf_read(info, CAST(off_t, 0), buf, sizeof(buf)) == -1) 381191739Sobrien return -1; 382191739Sobrien cdf_unpack_header(h, buf); 383191739Sobrien cdf_swap_header(h); 384191739Sobrien if (h->h_magic != CDF_MAGIC) { 385328874Seadler DPRINTF(("Bad magic %#" INT64_T_FORMAT "x != %#" 386226048Sobrien INT64_T_FORMAT "x\n", 387192348Sdelphij (unsigned long long)h->h_magic, 388192348Sdelphij (unsigned long long)CDF_MAGIC)); 389192348Sdelphij goto out; 390191739Sobrien } 391192348Sdelphij if (h->h_sec_size_p2 > 20) { 392328874Seadler DPRINTF(("Bad sector size %hu\n", h->h_sec_size_p2)); 393192348Sdelphij goto out; 394192348Sdelphij } 395192348Sdelphij if (h->h_short_sec_size_p2 > 20) { 396328874Seadler DPRINTF(("Bad short sector size %hu\n", 397192348Sdelphij h->h_short_sec_size_p2)); 398192348Sdelphij goto out; 399192348Sdelphij } 400191739Sobrien return 0; 401192348Sdelphijout: 402192348Sdelphij errno = EFTYPE; 403192348Sdelphij return -1; 404191739Sobrien} 405191739Sobrien 406191739Sobrien 407191739Sobrienssize_t 408192348Sdelphijcdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, 409191739Sobrien const cdf_header_t *h, cdf_secid_t id) 410191739Sobrien{ 411234250Sobrien size_t ss = CDF_SEC_SIZE(h); 412354939Sdelphij size_t pos; 413354939Sdelphij 414354939Sdelphij if (SIZE_T_MAX / ss < CAST(size_t, id)) 415354939Sdelphij return -1; 416354939Sdelphij 417354939Sdelphij pos = CDF_SEC_POS(h, id); 418234250Sobrien assert(ss == len); 419354939Sdelphij return cdf_read(info, CAST(off_t, pos), RCAST(char *, buf) + offs, len); 420191739Sobrien} 421191739Sobrien 422191739Sobrienssize_t 423191739Sobriencdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, 424191739Sobrien size_t len, const cdf_header_t *h, cdf_secid_t id) 425191739Sobrien{ 426234250Sobrien size_t ss = CDF_SHORT_SEC_SIZE(h); 427354939Sdelphij size_t pos; 428354939Sdelphij 429354939Sdelphij if (SIZE_T_MAX / ss < CAST(size_t, id)) 430354939Sdelphij return -1; 431354939Sdelphij 432354939Sdelphij pos = CDF_SHORT_SEC_POS(h, id); 433234250Sobrien assert(ss == len); 434267843Sdelphij if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { 435234250Sobrien DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" 436234250Sobrien SIZE_T_FORMAT "u\n", 437267843Sdelphij pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); 438299736Sdelphij goto out; 439234250Sobrien } 440354939Sdelphij (void)memcpy(RCAST(char *, buf) + offs, 441354939Sdelphij RCAST(const char *, sst->sst_tab) + pos, len); 442191739Sobrien return len; 443299736Sdelphijout: 444299736Sdelphij errno = EFTYPE; 445299736Sdelphij return -1; 446191739Sobrien} 447191739Sobrien 448191739Sobrien/* 449191739Sobrien * Read the sector allocation table. 450191739Sobrien */ 451191739Sobrienint 452192348Sdelphijcdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) 453191739Sobrien{ 454191739Sobrien size_t i, j, k; 455191739Sobrien size_t ss = CDF_SEC_SIZE(h); 456192348Sdelphij cdf_secid_t *msa, mid, sec; 457192348Sdelphij size_t nsatpersec = (ss / sizeof(mid)) - 1; 458191739Sobrien 459191739Sobrien for (i = 0; i < __arraycount(h->h_master_sat); i++) 460191739Sobrien if (h->h_master_sat[i] == CDF_SECID_FREE) 461191739Sobrien break; 462191739Sobrien 463337827Seadler#define CDF_SEC_LIMIT (UINT32_MAX / (64 * ss)) 464226048Sobrien if ((nsatpersec > 0 && 465226048Sobrien h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || 466192348Sdelphij i > CDF_SEC_LIMIT) { 467226048Sobrien DPRINTF(("Number of sectors in master SAT too big %u %" 468226048Sobrien SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); 469192348Sdelphij errno = EFTYPE; 470192348Sdelphij return -1; 471192348Sdelphij } 472192348Sdelphij 473192348Sdelphij sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; 474226048Sobrien DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", 475226048Sobrien sat->sat_len, ss)); 476328874Seadler if ((sat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(sat->sat_len, ss))) 477226048Sobrien == NULL) 478191739Sobrien return -1; 479191739Sobrien 480191739Sobrien for (i = 0; i < __arraycount(h->h_master_sat); i++) { 481191739Sobrien if (h->h_master_sat[i] < 0) 482191739Sobrien break; 483192348Sdelphij if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 484354939Sdelphij h->h_master_sat[i]) != CAST(ssize_t, ss)) { 485191739Sobrien DPRINTF(("Reading sector %d", h->h_master_sat[i])); 486191739Sobrien goto out1; 487191739Sobrien } 488191739Sobrien } 489191739Sobrien 490328874Seadler if ((msa = CAST(cdf_secid_t *, CDF_CALLOC(1, ss))) == NULL) 491191739Sobrien goto out1; 492191739Sobrien 493191739Sobrien mid = h->h_secid_first_sector_in_master_sat; 494191739Sobrien for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { 495192348Sdelphij if (mid < 0) 496192348Sdelphij goto out; 497191739Sobrien if (j >= CDF_LOOP_LIMIT) { 498191739Sobrien DPRINTF(("Reading master sector loop limit")); 499299736Sdelphij goto out3; 500191739Sobrien } 501354939Sdelphij if (cdf_read_sector(info, msa, 0, ss, h, mid) != 502354939Sdelphij CAST(ssize_t, ss)) { 503191739Sobrien DPRINTF(("Reading master sector %d", mid)); 504191739Sobrien goto out2; 505191739Sobrien } 506192348Sdelphij for (k = 0; k < nsatpersec; k++, i++) { 507354939Sdelphij sec = CDF_TOLE4(CAST(uint32_t, msa[k])); 508192348Sdelphij if (sec < 0) 509192348Sdelphij goto out; 510192348Sdelphij if (i >= sat->sat_len) { 511354939Sdelphij DPRINTF(("Out of bounds reading MSA %" 512354939Sdelphij SIZE_T_FORMAT "u >= %" SIZE_T_FORMAT "u", 513354939Sdelphij i, sat->sat_len)); 514299736Sdelphij goto out3; 515192348Sdelphij } 516192348Sdelphij if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, 517354939Sdelphij sec) != CAST(ssize_t, ss)) { 518191739Sobrien DPRINTF(("Reading sector %d", 519191739Sobrien CDF_TOLE4(msa[k]))); 520191739Sobrien goto out2; 521191739Sobrien } 522192348Sdelphij } 523354939Sdelphij mid = CDF_TOLE4(CAST(uint32_t, msa[nsatpersec])); 524191739Sobrien } 525192348Sdelphijout: 526192348Sdelphij sat->sat_len = i; 527191739Sobrien free(msa); 528191739Sobrien return 0; 529299736Sdelphijout3: 530299736Sdelphij errno = EFTYPE; 531191739Sobrienout2: 532191739Sobrien free(msa); 533191739Sobrienout1: 534191739Sobrien free(sat->sat_tab); 535191739Sobrien return -1; 536191739Sobrien} 537191739Sobrien 538191739Sobriensize_t 539192348Sdelphijcdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) 540191739Sobrien{ 541192348Sdelphij size_t i, j; 542354939Sdelphij cdf_secid_t maxsector = CAST(cdf_secid_t, (sat->sat_len * size) 543267843Sdelphij / sizeof(maxsector)); 544191739Sobrien 545191739Sobrien DPRINTF(("Chain:")); 546275698Sdelphij if (sid == CDF_SECID_END_OF_CHAIN) { 547275698Sdelphij /* 0-length chain. */ 548275698Sdelphij DPRINTF((" empty\n")); 549275698Sdelphij return 0; 550275698Sdelphij } 551275698Sdelphij 552191739Sobrien for (j = i = 0; sid >= 0; i++, j++) { 553191739Sobrien DPRINTF((" %d", sid)); 554191739Sobrien if (j >= CDF_LOOP_LIMIT) { 555191739Sobrien DPRINTF(("Counting chain loop limit")); 556299736Sdelphij goto out; 557191739Sobrien } 558267843Sdelphij if (sid >= maxsector) { 559267843Sdelphij DPRINTF(("Sector %d >= %d\n", sid, maxsector)); 560299736Sdelphij goto out; 561191739Sobrien } 562354939Sdelphij sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); 563191739Sobrien } 564267843Sdelphij if (i == 0) { 565267843Sdelphij DPRINTF((" none, sid: %d\n", sid)); 566299736Sdelphij goto out; 567267843Sdelphij 568267843Sdelphij } 569191739Sobrien DPRINTF(("\n")); 570191739Sobrien return i; 571299736Sdelphijout: 572299736Sdelphij errno = EFTYPE; 573354939Sdelphij return CAST(size_t, -1); 574191739Sobrien} 575191739Sobrien 576191739Sobrienint 577192348Sdelphijcdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 578192348Sdelphij const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) 579191739Sobrien{ 580191739Sobrien size_t ss = CDF_SEC_SIZE(h), i, j; 581191739Sobrien ssize_t nr; 582299736Sdelphij scn->sst_tab = NULL; 583192348Sdelphij scn->sst_len = cdf_count_chain(sat, sid, ss); 584328874Seadler scn->sst_dirlen = MAX(h->h_min_size_standard_stream, len); 585299736Sdelphij scn->sst_ss = ss; 586191739Sobrien 587328874Seadler if (sid == CDF_SECID_END_OF_CHAIN || len == 0) 588328874Seadler return cdf_zero_stream(scn); 589328874Seadler 590354939Sdelphij if (scn->sst_len == CAST(size_t, -1)) 591299736Sdelphij goto out; 592191739Sobrien 593328874Seadler scn->sst_tab = CDF_CALLOC(scn->sst_len, ss); 594191739Sobrien if (scn->sst_tab == NULL) 595299736Sdelphij return cdf_zero_stream(scn); 596191739Sobrien 597191739Sobrien for (j = i = 0; sid >= 0; i++, j++) { 598192348Sdelphij if (j >= CDF_LOOP_LIMIT) { 599192348Sdelphij DPRINTF(("Read long sector chain loop limit")); 600192348Sdelphij goto out; 601192348Sdelphij } 602192348Sdelphij if (i >= scn->sst_len) { 603192348Sdelphij DPRINTF(("Out of bounds reading long sector chain " 604234250Sobrien "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 605234250Sobrien scn->sst_len)); 606192348Sdelphij goto out; 607192348Sdelphij } 608192348Sdelphij if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, 609354939Sdelphij sid)) != CAST(ssize_t, ss)) { 610191739Sobrien if (i == scn->sst_len - 1 && nr > 0) { 611191739Sobrien /* Last sector might be truncated */ 612191739Sobrien return 0; 613191739Sobrien } 614191739Sobrien DPRINTF(("Reading long sector chain %d", sid)); 615191739Sobrien goto out; 616191739Sobrien } 617354939Sdelphij sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); 618191739Sobrien } 619191739Sobrien return 0; 620191739Sobrienout: 621299736Sdelphij errno = EFTYPE; 622299736Sdelphij return cdf_zero_stream(scn); 623191739Sobrien} 624191739Sobrien 625191739Sobrienint 626191739Sobriencdf_read_short_sector_chain(const cdf_header_t *h, 627191739Sobrien const cdf_sat_t *ssat, const cdf_stream_t *sst, 628191739Sobrien cdf_secid_t sid, size_t len, cdf_stream_t *scn) 629191739Sobrien{ 630191739Sobrien size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; 631299736Sdelphij scn->sst_tab = NULL; 632302221Sdelphij scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); 633191739Sobrien scn->sst_dirlen = len; 634299736Sdelphij scn->sst_ss = ss; 635191739Sobrien 636354939Sdelphij if (scn->sst_len == CAST(size_t, -1)) 637299736Sdelphij goto out; 638191739Sobrien 639328874Seadler scn->sst_tab = CDF_CALLOC(scn->sst_len, ss); 640191739Sobrien if (scn->sst_tab == NULL) 641299736Sdelphij return cdf_zero_stream(scn); 642191739Sobrien 643191739Sobrien for (j = i = 0; sid >= 0; i++, j++) { 644191739Sobrien if (j >= CDF_LOOP_LIMIT) { 645191739Sobrien DPRINTF(("Read short sector chain loop limit")); 646191739Sobrien goto out; 647191739Sobrien } 648192348Sdelphij if (i >= scn->sst_len) { 649192348Sdelphij DPRINTF(("Out of bounds reading short sector chain " 650234250Sobrien "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", 651234250Sobrien i, scn->sst_len)); 652192348Sdelphij goto out; 653192348Sdelphij } 654191739Sobrien if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, 655354939Sdelphij sid) != CAST(ssize_t, ss)) { 656191739Sobrien DPRINTF(("Reading short sector chain %d", sid)); 657191739Sobrien goto out; 658191739Sobrien } 659354939Sdelphij sid = CDF_TOLE4(CAST(uint32_t, ssat->sat_tab[sid])); 660191739Sobrien } 661191739Sobrien return 0; 662191739Sobrienout: 663299736Sdelphij errno = EFTYPE; 664299736Sdelphij return cdf_zero_stream(scn); 665191739Sobrien} 666191739Sobrien 667191739Sobrienint 668192348Sdelphijcdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, 669192348Sdelphij const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 670191739Sobrien cdf_secid_t sid, size_t len, cdf_stream_t *scn) 671191739Sobrien{ 672191739Sobrien 673226048Sobrien if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) 674191739Sobrien return cdf_read_short_sector_chain(h, ssat, sst, sid, len, 675191739Sobrien scn); 676191739Sobrien else 677192348Sdelphij return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); 678191739Sobrien} 679191739Sobrien 680191739Sobrienint 681192348Sdelphijcdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, 682192348Sdelphij const cdf_sat_t *sat, cdf_dir_t *dir) 683191739Sobrien{ 684191739Sobrien size_t i, j; 685191739Sobrien size_t ss = CDF_SEC_SIZE(h), ns, nd; 686191739Sobrien char *buf; 687191739Sobrien cdf_secid_t sid = h->h_secid_first_directory; 688191739Sobrien 689192348Sdelphij ns = cdf_count_chain(sat, sid, ss); 690354939Sdelphij if (ns == CAST(size_t, -1)) 691191739Sobrien return -1; 692191739Sobrien 693191739Sobrien nd = ss / CDF_DIRECTORY_SIZE; 694191739Sobrien 695191739Sobrien dir->dir_len = ns * nd; 696226048Sobrien dir->dir_tab = CAST(cdf_directory_t *, 697328874Seadler CDF_CALLOC(dir->dir_len, sizeof(dir->dir_tab[0]))); 698191739Sobrien if (dir->dir_tab == NULL) 699191739Sobrien return -1; 700191739Sobrien 701328874Seadler if ((buf = CAST(char *, CDF_MALLOC(ss))) == NULL) { 702191739Sobrien free(dir->dir_tab); 703191739Sobrien return -1; 704191739Sobrien } 705191739Sobrien 706191739Sobrien for (j = i = 0; i < ns; i++, j++) { 707191739Sobrien if (j >= CDF_LOOP_LIMIT) { 708191739Sobrien DPRINTF(("Read dir loop limit")); 709191739Sobrien goto out; 710191739Sobrien } 711354939Sdelphij if (cdf_read_sector(info, buf, 0, ss, h, sid) != 712354939Sdelphij CAST(ssize_t, ss)) { 713191739Sobrien DPRINTF(("Reading directory sector %d", sid)); 714191739Sobrien goto out; 715191739Sobrien } 716191739Sobrien for (j = 0; j < nd; j++) { 717191739Sobrien cdf_unpack_dir(&dir->dir_tab[i * nd + j], 718191739Sobrien &buf[j * CDF_DIRECTORY_SIZE]); 719191739Sobrien } 720354939Sdelphij sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); 721191739Sobrien } 722191739Sobrien if (NEED_SWAP) 723191739Sobrien for (i = 0; i < dir->dir_len; i++) 724191739Sobrien cdf_swap_dir(&dir->dir_tab[i]); 725191739Sobrien free(buf); 726191739Sobrien return 0; 727191739Sobrienout: 728191739Sobrien free(dir->dir_tab); 729191739Sobrien free(buf); 730299736Sdelphij errno = EFTYPE; 731191739Sobrien return -1; 732191739Sobrien} 733191739Sobrien 734191739Sobrien 735191739Sobrienint 736192348Sdelphijcdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, 737192348Sdelphij const cdf_sat_t *sat, cdf_sat_t *ssat) 738191739Sobrien{ 739191739Sobrien size_t i, j; 740191739Sobrien size_t ss = CDF_SEC_SIZE(h); 741191739Sobrien cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; 742191739Sobrien 743299736Sdelphij ssat->sat_tab = NULL; 744302221Sdelphij ssat->sat_len = cdf_count_chain(sat, sid, ss); 745354939Sdelphij if (ssat->sat_len == CAST(size_t, -1)) 746299736Sdelphij goto out; 747191739Sobrien 748328874Seadler ssat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(ssat->sat_len, ss)); 749191739Sobrien if (ssat->sat_tab == NULL) 750299736Sdelphij goto out1; 751191739Sobrien 752191739Sobrien for (j = i = 0; sid >= 0; i++, j++) { 753191739Sobrien if (j >= CDF_LOOP_LIMIT) { 754191739Sobrien DPRINTF(("Read short sat sector loop limit")); 755191739Sobrien goto out; 756191739Sobrien } 757192348Sdelphij if (i >= ssat->sat_len) { 758192348Sdelphij DPRINTF(("Out of bounds reading short sector chain " 759234250Sobrien "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, 760234250Sobrien ssat->sat_len)); 761192348Sdelphij goto out; 762192348Sdelphij } 763192348Sdelphij if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != 764354939Sdelphij CAST(ssize_t, ss)) { 765191739Sobrien DPRINTF(("Reading short sat sector %d", sid)); 766299736Sdelphij goto out1; 767191739Sobrien } 768354939Sdelphij sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); 769191739Sobrien } 770191739Sobrien return 0; 771191739Sobrienout: 772299736Sdelphij errno = EFTYPE; 773299736Sdelphijout1: 774191739Sobrien free(ssat->sat_tab); 775191739Sobrien return -1; 776191739Sobrien} 777191739Sobrien 778191739Sobrienint 779192348Sdelphijcdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, 780267843Sdelphij const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, 781267843Sdelphij const cdf_directory_t **root) 782191739Sobrien{ 783191739Sobrien size_t i; 784191739Sobrien const cdf_directory_t *d; 785191739Sobrien 786267843Sdelphij *root = NULL; 787191739Sobrien for (i = 0; i < dir->dir_len; i++) 788191739Sobrien if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) 789191739Sobrien break; 790191739Sobrien 791192348Sdelphij /* If the it is not there, just fake it; some docs don't have it */ 792309847Sdelphij if (i == dir->dir_len) { 793309847Sdelphij DPRINTF(("Cannot find root storage dir\n")); 794192348Sdelphij goto out; 795309847Sdelphij } 796191739Sobrien d = &dir->dir_tab[i]; 797267843Sdelphij *root = d; 798191739Sobrien 799191739Sobrien /* If the it is not there, just fake it; some docs don't have it */ 800309847Sdelphij if (d->d_stream_first_sector < 0) { 801309847Sdelphij DPRINTF(("No first secror in dir\n")); 802192348Sdelphij goto out; 803309847Sdelphij } 804191739Sobrien 805299736Sdelphij return cdf_read_long_sector_chain(info, h, sat, 806191739Sobrien d->d_stream_first_sector, d->d_size, scn); 807192348Sdelphijout: 808192348Sdelphij scn->sst_tab = NULL; 809299736Sdelphij (void)cdf_zero_stream(scn); 810309847Sdelphij return 0; 811191739Sobrien} 812191739Sobrien 813191739Sobrienstatic int 814191739Sobriencdf_namecmp(const char *d, const uint16_t *s, size_t l) 815191739Sobrien{ 816191739Sobrien for (; l--; d++, s++) 817191739Sobrien if (*d != CDF_TOLE2(*s)) 818354939Sdelphij return CAST(unsigned char, *d) - CDF_TOLE2(*s); 819191739Sobrien return 0; 820191739Sobrien} 821191739Sobrien 822191739Sobrienint 823309847Sdelphijcdf_read_doc_summary_info(const cdf_info_t *info, const cdf_header_t *h, 824309847Sdelphij const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 825309847Sdelphij const cdf_dir_t *dir, cdf_stream_t *scn) 826309847Sdelphij{ 827309847Sdelphij return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 828309847Sdelphij "\05DocumentSummaryInformation", scn); 829309847Sdelphij} 830309847Sdelphij 831309847Sdelphijint 832192348Sdelphijcdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, 833191739Sobrien const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 834191739Sobrien const cdf_dir_t *dir, cdf_stream_t *scn) 835191739Sobrien{ 836267843Sdelphij return cdf_read_user_stream(info, h, sat, ssat, sst, dir, 837267843Sdelphij "\05SummaryInformation", scn); 838267843Sdelphij} 839267843Sdelphij 840267843Sdelphijint 841267843Sdelphijcdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, 842267843Sdelphij const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 843267843Sdelphij const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) 844267843Sdelphij{ 845191739Sobrien const cdf_directory_t *d; 846284237Sdelphij int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM); 847191739Sobrien 848299736Sdelphij if (i <= 0) { 849299736Sdelphij memset(scn, 0, sizeof(*scn)); 850284237Sdelphij return -1; 851299736Sdelphij } 852284237Sdelphij 853284237Sdelphij d = &dir->dir_tab[i - 1]; 854284237Sdelphij return cdf_read_sector_chain(info, h, sat, ssat, sst, 855284237Sdelphij d->d_stream_first_sector, d->d_size, scn); 856284237Sdelphij} 857284237Sdelphij 858284237Sdelphijint 859284237Sdelphijcdf_find_stream(const cdf_dir_t *dir, const char *name, int type) 860284237Sdelphij{ 861284237Sdelphij size_t i, name_len = strlen(name) + 1; 862284237Sdelphij 863226048Sobrien for (i = dir->dir_len; i > 0; i--) 864284237Sdelphij if (dir->dir_tab[i - 1].d_type == type && 865267843Sdelphij cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) 866191739Sobrien == 0) 867191739Sobrien break; 868284237Sdelphij if (i > 0) 869328874Seadler return CAST(int, i); 870191739Sobrien 871284237Sdelphij DPRINTF(("Cannot find type %d `%s'\n", type, name)); 872284237Sdelphij errno = ESRCH; 873284237Sdelphij return 0; 874191739Sobrien} 875191739Sobrien 876337827Seadler#define CDF_SHLEN_LIMIT (UINT32_MAX / 64) 877337827Seadler#define CDF_PROP_LIMIT (UINT32_MAX / (64 * sizeof(cdf_property_info_t))) 878328874Seadler 879328874Seadlerstatic const void * 880328874Seadlercdf_offset(const void *p, size_t l) 881328874Seadler{ 882328874Seadler return CAST(const void *, CAST(const uint8_t *, p) + l); 883328874Seadler} 884328874Seadler 885328874Seadlerstatic const uint8_t * 886354939Sdelphijcdf_get_property_info_pos(const cdf_stream_t *sst, const cdf_header_t *h, 887328874Seadler const uint8_t *p, const uint8_t *e, size_t i) 888328874Seadler{ 889328874Seadler size_t tail = (i << 1) + 1; 890328874Seadler size_t ofs; 891328874Seadler const uint8_t *q; 892328874Seadler 893328874Seadler if (p >= e) { 894328874Seadler DPRINTF(("Past end %p < %p\n", e, p)); 895328874Seadler return NULL; 896328874Seadler } 897328874Seadler if (cdf_check_stream_offset(sst, h, p, (tail + 1) * sizeof(uint32_t), 898328874Seadler __LINE__) == -1) 899328874Seadler return NULL; 900328874Seadler ofs = CDF_GETUINT32(p, tail); 901354939Sdelphij q = CAST(const uint8_t *, cdf_offset(CAST(const void *, p), 902328874Seadler ofs - 2 * sizeof(uint32_t))); 903328874Seadler 904328874Seadler if (q < p) { 905328874Seadler DPRINTF(("Wrapped around %p < %p\n", q, p)); 906328874Seadler return NULL; 907328874Seadler } 908328874Seadler 909328874Seadler if (q >= e) { 910328874Seadler DPRINTF(("Ran off the end %p >= %p\n", q, e)); 911328874Seadler return NULL; 912328874Seadler } 913328874Seadler return q; 914328874Seadler} 915328874Seadler 916328874Seadlerstatic cdf_property_info_t * 917328874Seadlercdf_grow_info(cdf_property_info_t **info, size_t *maxcount, size_t incr) 918328874Seadler{ 919328874Seadler cdf_property_info_t *inp; 920328874Seadler size_t newcount = *maxcount + incr; 921328874Seadler 922328874Seadler if (newcount > CDF_PROP_LIMIT) { 923354939Sdelphij DPRINTF(("exceeded property limit %" SIZE_T_FORMAT "u > %" 924354939Sdelphij SIZE_T_FORMAT "u\n", newcount, CDF_PROP_LIMIT)); 925328874Seadler goto out; 926328874Seadler } 927328874Seadler inp = CAST(cdf_property_info_t *, 928328874Seadler CDF_REALLOC(*info, newcount * sizeof(*inp))); 929328874Seadler if (inp == NULL) 930328874Seadler goto out; 931328874Seadler 932328874Seadler *info = inp; 933328874Seadler *maxcount = newcount; 934328874Seadler return inp; 935328874Seadlerout: 936328874Seadler free(*info); 937328874Seadler *maxcount = 0; 938328874Seadler *info = NULL; 939328874Seadler return NULL; 940328874Seadler} 941328874Seadler 942328874Seadlerstatic int 943328874Seadlercdf_copy_info(cdf_property_info_t *inp, const void *p, const void *e, 944328874Seadler size_t len) 945328874Seadler{ 946328874Seadler if (inp->pi_type & CDF_VECTOR) 947328874Seadler return 0; 948328874Seadler 949354939Sdelphij if (CAST(size_t, CAST(const char *, e) - CAST(const char *, p)) < len) 950328874Seadler return 0; 951328874Seadler 952328874Seadler (void)memcpy(&inp->pi_val, p, len); 953328874Seadler 954328874Seadler switch (len) { 955328874Seadler case 2: 956328874Seadler inp->pi_u16 = CDF_TOLE2(inp->pi_u16); 957328874Seadler break; 958328874Seadler case 4: 959328874Seadler inp->pi_u32 = CDF_TOLE4(inp->pi_u32); 960328874Seadler break; 961328874Seadler case 8: 962328874Seadler inp->pi_u64 = CDF_TOLE8(inp->pi_u64); 963328874Seadler break; 964328874Seadler default: 965328874Seadler abort(); 966328874Seadler } 967328874Seadler return 1; 968328874Seadler} 969328874Seadler 970191739Sobrienint 971226048Sobriencdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, 972226048Sobrien uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) 973191739Sobrien{ 974191739Sobrien const cdf_section_header_t *shp; 975191739Sobrien cdf_section_header_t sh; 976226048Sobrien const uint8_t *p, *q, *e; 977328874Seadler size_t i, o4, nelements, j, slen, left; 978191739Sobrien cdf_property_info_t *inp; 979191739Sobrien 980192348Sdelphij if (offs > UINT32_MAX / 4) { 981192348Sdelphij errno = EFTYPE; 982192348Sdelphij goto out; 983192348Sdelphij } 984328874Seadler shp = CAST(const cdf_section_header_t *, 985328874Seadler cdf_offset(sst->sst_tab, offs)); 986226048Sobrien if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) 987192348Sdelphij goto out; 988191739Sobrien sh.sh_len = CDF_TOLE4(shp->sh_len); 989192348Sdelphij if (sh.sh_len > CDF_SHLEN_LIMIT) { 990192348Sdelphij errno = EFTYPE; 991192348Sdelphij goto out; 992192348Sdelphij } 993328874Seadler 994328874Seadler if (cdf_check_stream_offset(sst, h, shp, sh.sh_len, __LINE__) == -1) 995328874Seadler goto out; 996328874Seadler 997191739Sobrien sh.sh_properties = CDF_TOLE4(shp->sh_properties); 998328874Seadler DPRINTF(("section len: %u properties %u\n", sh.sh_len, 999328874Seadler sh.sh_properties)); 1000192348Sdelphij if (sh.sh_properties > CDF_PROP_LIMIT) 1001192348Sdelphij goto out; 1002328874Seadler inp = cdf_grow_info(info, maxcount, sh.sh_properties); 1003191739Sobrien if (inp == NULL) 1004328874Seadler goto out; 1005191739Sobrien inp += *count; 1006191739Sobrien *count += sh.sh_properties; 1007328874Seadler p = CAST(const uint8_t *, cdf_offset(sst->sst_tab, offs + sizeof(sh))); 1008328874Seadler e = CAST(const uint8_t *, cdf_offset(shp, sh.sh_len)); 1009328874Seadler if (p >= e || cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) 1010192348Sdelphij goto out; 1011328874Seadler 1012191739Sobrien for (i = 0; i < sh.sh_properties; i++) { 1013328874Seadler if ((q = cdf_get_property_info_pos(sst, h, p, e, i)) == NULL) 1014267843Sdelphij goto out; 1015328874Seadler inp[i].pi_id = CDF_GETUINT32(p, i << 1); 1016328874Seadler left = CAST(size_t, e - q); 1017328874Seadler if (left < sizeof(uint32_t)) { 1018328874Seadler DPRINTF(("short info (no type)_\n")); 1019275698Sdelphij goto out; 1020275698Sdelphij } 1021226048Sobrien inp[i].pi_type = CDF_GETUINT32(q, 0); 1022328874Seadler DPRINTF(("%" SIZE_T_FORMAT "u) id=%#x type=%#x offs=%#tx,%#x\n", 1023234250Sobrien i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); 1024191739Sobrien if (inp[i].pi_type & CDF_VECTOR) { 1025328874Seadler if (left < sizeof(uint32_t) * 2) { 1026328874Seadler DPRINTF(("missing CDF_VECTOR length\n")); 1027328874Seadler goto out; 1028328874Seadler } 1029226048Sobrien nelements = CDF_GETUINT32(q, 1); 1030354939Sdelphij if (nelements > CDF_ELEMENT_LIMIT || nelements == 0) { 1031354939Sdelphij DPRINTF(("CDF_VECTOR with nelements == %" 1032354939Sdelphij SIZE_T_FORMAT "u\n", nelements)); 1033267843Sdelphij goto out; 1034267843Sdelphij } 1035328874Seadler slen = 2; 1036191739Sobrien } else { 1037191739Sobrien nelements = 1; 1038328874Seadler slen = 1; 1039191739Sobrien } 1040328874Seadler o4 = slen * sizeof(uint32_t); 1041191739Sobrien if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) 1042191739Sobrien goto unknown; 1043191739Sobrien switch (inp[i].pi_type & CDF_TYPEMASK) { 1044226048Sobrien case CDF_NULL: 1045191739Sobrien case CDF_EMPTY: 1046191739Sobrien break; 1047191739Sobrien case CDF_SIGNED16: 1048328874Seadler if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int16_t))) 1049191739Sobrien goto unknown; 1050191739Sobrien break; 1051191739Sobrien case CDF_SIGNED32: 1052191739Sobrien case CDF_BOOL: 1053191739Sobrien case CDF_UNSIGNED32: 1054328874Seadler case CDF_FLOAT: 1055328874Seadler if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int32_t))) 1056191739Sobrien goto unknown; 1057191739Sobrien break; 1058191739Sobrien case CDF_SIGNED64: 1059191739Sobrien case CDF_UNSIGNED64: 1060234250Sobrien case CDF_DOUBLE: 1061328874Seadler case CDF_FILETIME: 1062328874Seadler if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int64_t))) 1063234250Sobrien goto unknown; 1064234250Sobrien break; 1065191739Sobrien case CDF_LENGTH32_STRING: 1066226048Sobrien case CDF_LENGTH32_WSTRING: 1067191739Sobrien if (nelements > 1) { 1068191739Sobrien size_t nelem = inp - *info; 1069328874Seadler inp = cdf_grow_info(info, maxcount, nelements); 1070328874Seadler if (inp == NULL) 1071192348Sdelphij goto out; 1072328874Seadler inp += nelem; 1073191739Sobrien } 1074267843Sdelphij for (j = 0; j < nelements && i < sh.sh_properties; 1075267843Sdelphij j++, i++) 1076267843Sdelphij { 1077328874Seadler uint32_t l; 1078328874Seadler 1079328874Seadler if (o4 + sizeof(uint32_t) > left) 1080328874Seadler goto out; 1081328874Seadler 1082328874Seadler l = CDF_GETUINT32(q, slen); 1083328874Seadler o4 += sizeof(uint32_t); 1084328874Seadler if (o4 + l > left) 1085328874Seadler goto out; 1086328874Seadler 1087191739Sobrien inp[i].pi_str.s_len = l; 1088328874Seadler inp[i].pi_str.s_buf = CAST(const char *, 1089328874Seadler CAST(const void *, &q[o4])); 1090328874Seadler 1091354939Sdelphij DPRINTF(("o=%" SIZE_T_FORMAT "u l=%d(%" 1092354939Sdelphij SIZE_T_FORMAT "u), t=%" SIZE_T_FORMAT 1093354939Sdelphij "u s=%s\n", o4, l, CDF_ROUND(l, sizeof(l)), 1094354939Sdelphij left, inp[i].pi_str.s_buf)); 1095328874Seadler 1096234250Sobrien if (l & 1) 1097234250Sobrien l++; 1098328874Seadler 1099328874Seadler slen += l >> 1; 1100328874Seadler o4 = slen * sizeof(uint32_t); 1101191739Sobrien } 1102191739Sobrien i--; 1103191739Sobrien break; 1104191739Sobrien case CDF_CLIPBOARD: 1105191739Sobrien if (inp[i].pi_type & CDF_VECTOR) 1106191739Sobrien goto unknown; 1107191739Sobrien break; 1108191739Sobrien default: 1109191739Sobrien unknown: 1110328874Seadler memset(&inp[i].pi_val, 0, sizeof(inp[i].pi_val)); 1111328874Seadler DPRINTF(("Don't know how to deal with %#x\n", 1112191739Sobrien inp[i].pi_type)); 1113234250Sobrien break; 1114191739Sobrien } 1115191739Sobrien } 1116191739Sobrien return 0; 1117191739Sobrienout: 1118328874Seadler free(*info); 1119328874Seadler *info = NULL; 1120328874Seadler *count = 0; 1121328874Seadler *maxcount = 0; 1122299736Sdelphij errno = EFTYPE; 1123191739Sobrien return -1; 1124191739Sobrien} 1125191739Sobrien 1126191739Sobrienint 1127226048Sobriencdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, 1128226048Sobrien cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) 1129191739Sobrien{ 1130267843Sdelphij size_t maxcount; 1131226048Sobrien const cdf_summary_info_header_t *si = 1132226048Sobrien CAST(const cdf_summary_info_header_t *, sst->sst_tab); 1133226048Sobrien const cdf_section_declaration_t *sd = 1134354939Sdelphij CAST(const cdf_section_declaration_t *, RCAST(const void *, 1135354939Sdelphij RCAST(const char *, sst->sst_tab) 1136354939Sdelphij + CDF_SECTION_DECLARATION_OFFSET)); 1137191739Sobrien 1138226048Sobrien if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || 1139226048Sobrien cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) 1140192348Sdelphij return -1; 1141191739Sobrien ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); 1142191739Sobrien ssi->si_os_version = CDF_TOLE2(si->si_os_version); 1143191739Sobrien ssi->si_os = CDF_TOLE2(si->si_os); 1144191739Sobrien ssi->si_class = si->si_class; 1145191739Sobrien cdf_swap_class(&ssi->si_class); 1146267843Sdelphij ssi->si_count = CDF_TOLE4(si->si_count); 1147191739Sobrien *count = 0; 1148191739Sobrien maxcount = 0; 1149191739Sobrien *info = NULL; 1150267843Sdelphij if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, 1151267843Sdelphij count, &maxcount) == -1) 1152267843Sdelphij return -1; 1153191739Sobrien return 0; 1154191739Sobrien} 1155191739Sobrien 1156191739Sobrien 1157284237Sdelphij#define extract_catalog_field(t, f, l) \ 1158284237Sdelphij if (b + l + sizeof(cep->f) > eb) { \ 1159284237Sdelphij cep->ce_namlen = 0; \ 1160284237Sdelphij break; \ 1161284237Sdelphij } \ 1162284237Sdelphij memcpy(&cep->f, b + (l), sizeof(cep->f)); \ 1163284237Sdelphij ce[i].f = CAST(t, CDF_TOLE(cep->f)) 1164191739Sobrien 1165191739Sobrienint 1166275698Sdelphijcdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, 1167275698Sdelphij cdf_catalog_t **cat) 1168275698Sdelphij{ 1169299736Sdelphij size_t ss = cdf_check_stream(sst, h); 1170275698Sdelphij const char *b = CAST(const char *, sst->sst_tab); 1171328874Seadler const char *nb, *eb = b + ss * sst->sst_len; 1172284237Sdelphij size_t nr, i, j, k; 1173275698Sdelphij cdf_catalog_entry_t *ce; 1174275698Sdelphij uint16_t reclen; 1175275698Sdelphij const uint16_t *np; 1176275698Sdelphij 1177284237Sdelphij for (nr = 0;; nr++) { 1178275698Sdelphij memcpy(&reclen, b, sizeof(reclen)); 1179275698Sdelphij reclen = CDF_TOLE2(reclen); 1180275698Sdelphij if (reclen == 0) 1181275698Sdelphij break; 1182275698Sdelphij b += reclen; 1183284237Sdelphij if (b > eb) 1184284237Sdelphij break; 1185275698Sdelphij } 1186302221Sdelphij if (nr == 0) 1187302221Sdelphij return -1; 1188284237Sdelphij nr--; 1189275698Sdelphij *cat = CAST(cdf_catalog_t *, 1190328874Seadler CDF_MALLOC(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); 1191299736Sdelphij if (*cat == NULL) 1192299736Sdelphij return -1; 1193275698Sdelphij ce = (*cat)->cat_e; 1194284237Sdelphij memset(ce, 0, nr * sizeof(*ce)); 1195275698Sdelphij b = CAST(const char *, sst->sst_tab); 1196284237Sdelphij for (j = i = 0; i < nr; b += reclen) { 1197284237Sdelphij cdf_catalog_entry_t *cep = &ce[j]; 1198284237Sdelphij uint16_t rlen; 1199284237Sdelphij 1200284237Sdelphij extract_catalog_field(uint16_t, ce_namlen, 0); 1201284237Sdelphij extract_catalog_field(uint16_t, ce_num, 4); 1202284237Sdelphij extract_catalog_field(uint64_t, ce_timestamp, 8); 1203284237Sdelphij reclen = cep->ce_namlen; 1204284237Sdelphij 1205284237Sdelphij if (reclen < 14) { 1206284237Sdelphij cep->ce_namlen = 0; 1207284237Sdelphij continue; 1208275698Sdelphij } 1209284237Sdelphij 1210284237Sdelphij cep->ce_namlen = __arraycount(cep->ce_name) - 1; 1211284237Sdelphij rlen = reclen - 14; 1212284237Sdelphij if (cep->ce_namlen > rlen) 1213284237Sdelphij cep->ce_namlen = rlen; 1214284237Sdelphij 1215284237Sdelphij np = CAST(const uint16_t *, CAST(const void *, (b + 16))); 1216328874Seadler nb = CAST(const char *, CAST(const void *, 1217328874Seadler (np + cep->ce_namlen))); 1218328874Seadler if (nb > eb) { 1219284237Sdelphij cep->ce_namlen = 0; 1220284237Sdelphij break; 1221284237Sdelphij } 1222284237Sdelphij 1223284237Sdelphij for (k = 0; k < cep->ce_namlen; k++) 1224284237Sdelphij cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */ 1225284237Sdelphij cep->ce_name[cep->ce_namlen] = 0; 1226284237Sdelphij j = i; 1227284237Sdelphij i++; 1228275698Sdelphij } 1229284237Sdelphij (*cat)->cat_num = j; 1230275698Sdelphij return 0; 1231275698Sdelphij} 1232275698Sdelphij 1233275698Sdelphijint 1234191739Sobriencdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) 1235191739Sobrien{ 1236191739Sobrien return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" 1237191739Sobrien "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], 1238191739Sobrien id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], 1239191739Sobrien id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], 1240191739Sobrien id->cl_six[5]); 1241191739Sobrien} 1242191739Sobrien 1243191739Sobrienstatic const struct { 1244191739Sobrien uint32_t v; 1245191739Sobrien const char *n; 1246191739Sobrien} vn[] = { 1247191739Sobrien { CDF_PROPERTY_CODE_PAGE, "Code page" }, 1248191739Sobrien { CDF_PROPERTY_TITLE, "Title" }, 1249191739Sobrien { CDF_PROPERTY_SUBJECT, "Subject" }, 1250191739Sobrien { CDF_PROPERTY_AUTHOR, "Author" }, 1251191739Sobrien { CDF_PROPERTY_KEYWORDS, "Keywords" }, 1252191739Sobrien { CDF_PROPERTY_COMMENTS, "Comments" }, 1253191739Sobrien { CDF_PROPERTY_TEMPLATE, "Template" }, 1254191739Sobrien { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, 1255191739Sobrien { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, 1256191739Sobrien { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, 1257191739Sobrien { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, 1258191739Sobrien { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, 1259191739Sobrien { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, 1260191739Sobrien { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, 1261191739Sobrien { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, 1262191739Sobrien { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, 1263191739Sobrien { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, 1264191739Sobrien { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, 1265191739Sobrien { CDF_PROPERTY_SECURITY, "Security" }, 1266191739Sobrien { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, 1267191739Sobrien}; 1268191739Sobrien 1269191739Sobrienint 1270191739Sobriencdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) 1271191739Sobrien{ 1272191739Sobrien size_t i; 1273191739Sobrien 1274191739Sobrien for (i = 0; i < __arraycount(vn); i++) 1275191739Sobrien if (vn[i].v == p) 1276191739Sobrien return snprintf(buf, bufsiz, "%s", vn[i].n); 1277328874Seadler return snprintf(buf, bufsiz, "%#x", p); 1278191739Sobrien} 1279191739Sobrien 1280191739Sobrienint 1281191739Sobriencdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) 1282191739Sobrien{ 1283226048Sobrien int len = 0; 1284191739Sobrien int days, hours, mins, secs; 1285191739Sobrien 1286191739Sobrien ts /= CDF_TIME_PREC; 1287354939Sdelphij secs = CAST(int, ts % 60); 1288191739Sobrien ts /= 60; 1289354939Sdelphij mins = CAST(int, ts % 60); 1290191739Sobrien ts /= 60; 1291354939Sdelphij hours = CAST(int, ts % 24); 1292191739Sobrien ts /= 24; 1293354939Sdelphij days = CAST(int, ts); 1294191739Sobrien 1295191739Sobrien if (days) { 1296191739Sobrien len += snprintf(buf + len, bufsiz - len, "%dd+", days); 1297354939Sdelphij if (CAST(size_t, len) >= bufsiz) 1298191739Sobrien return len; 1299191739Sobrien } 1300191739Sobrien 1301191739Sobrien if (days || hours) { 1302191739Sobrien len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); 1303354939Sdelphij if (CAST(size_t, len) >= bufsiz) 1304191739Sobrien return len; 1305191739Sobrien } 1306191739Sobrien 1307191739Sobrien len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); 1308354939Sdelphij if (CAST(size_t, len) >= bufsiz) 1309191739Sobrien return len; 1310191739Sobrien 1311191739Sobrien len += snprintf(buf + len, bufsiz - len, "%.2d", secs); 1312191739Sobrien return len; 1313191739Sobrien} 1314191739Sobrien 1315275698Sdelphijchar * 1316275698Sdelphijcdf_u16tos8(char *buf, size_t len, const uint16_t *p) 1317275698Sdelphij{ 1318275698Sdelphij size_t i; 1319275698Sdelphij for (i = 0; i < len && p[i]; i++) 1320354939Sdelphij buf[i] = CAST(char, p[i]); 1321275698Sdelphij buf[i] = '\0'; 1322275698Sdelphij return buf; 1323275698Sdelphij} 1324191739Sobrien 1325191739Sobrien#ifdef CDF_DEBUG 1326191739Sobrienvoid 1327191739Sobriencdf_dump_header(const cdf_header_t *h) 1328191739Sobrien{ 1329191739Sobrien size_t i; 1330191739Sobrien 1331192348Sdelphij#define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) 1332192348Sdelphij#define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ 1333192348Sdelphij h->h_ ## b, 1 << h->h_ ## b) 1334191739Sobrien DUMP("%d", revision); 1335191739Sobrien DUMP("%d", version); 1336328874Seadler DUMP("%#x", byte_order); 1337192348Sdelphij DUMP2("%d", sec_size_p2); 1338192348Sdelphij DUMP2("%d", short_sec_size_p2); 1339191739Sobrien DUMP("%d", num_sectors_in_sat); 1340191739Sobrien DUMP("%d", secid_first_directory); 1341191739Sobrien DUMP("%d", min_size_standard_stream); 1342191739Sobrien DUMP("%d", secid_first_sector_in_short_sat); 1343191739Sobrien DUMP("%d", num_sectors_in_short_sat); 1344191739Sobrien DUMP("%d", secid_first_sector_in_master_sat); 1345191739Sobrien DUMP("%d", num_sectors_in_master_sat); 1346191739Sobrien for (i = 0; i < __arraycount(h->h_master_sat); i++) { 1347191739Sobrien if (h->h_master_sat[i] == CDF_SECID_FREE) 1348191739Sobrien break; 1349275698Sdelphij (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", 1350191739Sobrien "master_sat", i, h->h_master_sat[i]); 1351191739Sobrien } 1352191739Sobrien} 1353191739Sobrien 1354191739Sobrienvoid 1355192348Sdelphijcdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) 1356191739Sobrien{ 1357192348Sdelphij size_t i, j, s = size / sizeof(cdf_secid_t); 1358191739Sobrien 1359191739Sobrien for (i = 0; i < sat->sat_len; i++) { 1360234250Sobrien (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" 1361234250Sobrien SIZE_T_FORMAT "u: ", prefix, i, i * s); 1362191739Sobrien for (j = 0; j < s; j++) { 1363192348Sdelphij (void)fprintf(stderr, "%5d, ", 1364192348Sdelphij CDF_TOLE4(sat->sat_tab[s * i + j])); 1365191739Sobrien if ((j + 1) % 10 == 0) 1366234250Sobrien (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT 1367234250Sobrien "u: ", i * s + j + 1); 1368191739Sobrien } 1369192348Sdelphij (void)fprintf(stderr, "\n"); 1370191739Sobrien } 1371191739Sobrien} 1372191739Sobrien 1373191739Sobrienvoid 1374284237Sdelphijcdf_dump(const void *v, size_t len) 1375191739Sobrien{ 1376191739Sobrien size_t i, j; 1377284237Sdelphij const unsigned char *p = v; 1378191739Sobrien char abuf[16]; 1379284237Sdelphij 1380192348Sdelphij (void)fprintf(stderr, "%.4x: ", 0); 1381191739Sobrien for (i = 0, j = 0; i < len; i++, p++) { 1382192348Sdelphij (void)fprintf(stderr, "%.2x ", *p); 1383191739Sobrien abuf[j++] = isprint(*p) ? *p : '.'; 1384191739Sobrien if (j == 16) { 1385191739Sobrien j = 0; 1386191739Sobrien abuf[15] = '\0'; 1387234250Sobrien (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", 1388234250Sobrien abuf, i + 1); 1389191739Sobrien } 1390191739Sobrien } 1391192348Sdelphij (void)fprintf(stderr, "\n"); 1392191739Sobrien} 1393191739Sobrien 1394191739Sobrienvoid 1395309847Sdelphijcdf_dump_stream(const cdf_stream_t *sst) 1396191739Sobrien{ 1397299736Sdelphij size_t ss = sst->sst_ss; 1398191739Sobrien cdf_dump(sst->sst_tab, ss * sst->sst_len); 1399191739Sobrien} 1400191739Sobrien 1401191739Sobrienvoid 1402192348Sdelphijcdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, 1403192348Sdelphij const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, 1404191739Sobrien const cdf_dir_t *dir) 1405191739Sobrien{ 1406191739Sobrien size_t i, j; 1407191739Sobrien cdf_directory_t *d; 1408191739Sobrien char name[__arraycount(d->d_name)]; 1409191739Sobrien cdf_stream_t scn; 1410191739Sobrien struct timespec ts; 1411191739Sobrien 1412191739Sobrien static const char *types[] = { "empty", "user storage", 1413191739Sobrien "user stream", "lockbytes", "property", "root storage" }; 1414191739Sobrien 1415191739Sobrien for (i = 0; i < dir->dir_len; i++) { 1416267843Sdelphij char buf[26]; 1417191739Sobrien d = &dir->dir_tab[i]; 1418191739Sobrien for (j = 0; j < sizeof(name); j++) 1419191739Sobrien name[j] = (char)CDF_TOLE2(d->d_name[j]); 1420226048Sobrien (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", 1421226048Sobrien i, name); 1422191739Sobrien if (d->d_type < __arraycount(types)) 1423192348Sdelphij (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); 1424191739Sobrien else 1425192348Sdelphij (void)fprintf(stderr, "Type: %d\n", d->d_type); 1426192348Sdelphij (void)fprintf(stderr, "Color: %s\n", 1427192348Sdelphij d->d_color ? "black" : "red"); 1428192348Sdelphij (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); 1429192348Sdelphij (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); 1430328874Seadler (void)fprintf(stderr, "Flags: %#x\n", d->d_flags); 1431191739Sobrien cdf_timestamp_to_timespec(&ts, d->d_created); 1432267843Sdelphij (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); 1433191739Sobrien cdf_timestamp_to_timespec(&ts, d->d_modified); 1434267843Sdelphij (void)fprintf(stderr, "Modified %s", 1435267843Sdelphij cdf_ctime(&ts.tv_sec, buf)); 1436192348Sdelphij (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); 1437192348Sdelphij (void)fprintf(stderr, "Size %d\n", d->d_size); 1438191739Sobrien switch (d->d_type) { 1439191739Sobrien case CDF_DIR_TYPE_USER_STORAGE: 1440192348Sdelphij (void)fprintf(stderr, "Storage: %d\n", d->d_storage); 1441191739Sobrien break; 1442191739Sobrien case CDF_DIR_TYPE_USER_STREAM: 1443191739Sobrien if (sst == NULL) 1444191739Sobrien break; 1445192348Sdelphij if (cdf_read_sector_chain(info, h, sat, ssat, sst, 1446191739Sobrien d->d_stream_first_sector, d->d_size, &scn) == -1) { 1447191739Sobrien warn("Can't read stream for %s at %d len %d", 1448191739Sobrien name, d->d_stream_first_sector, d->d_size); 1449191739Sobrien break; 1450191739Sobrien } 1451309847Sdelphij cdf_dump_stream(&scn); 1452191739Sobrien free(scn.sst_tab); 1453191739Sobrien break; 1454191739Sobrien default: 1455191739Sobrien break; 1456191739Sobrien } 1457226048Sobrien 1458191739Sobrien } 1459191739Sobrien} 1460191739Sobrien 1461191739Sobrienvoid 1462191739Sobriencdf_dump_property_info(const cdf_property_info_t *info, size_t count) 1463191739Sobrien{ 1464191739Sobrien cdf_timestamp_t tp; 1465191739Sobrien struct timespec ts; 1466191739Sobrien char buf[64]; 1467226048Sobrien size_t i, j; 1468191739Sobrien 1469191739Sobrien for (i = 0; i < count; i++) { 1470191739Sobrien cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); 1471226048Sobrien (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); 1472191739Sobrien switch (info[i].pi_type) { 1473226048Sobrien case CDF_NULL: 1474226048Sobrien break; 1475191739Sobrien case CDF_SIGNED16: 1476192348Sdelphij (void)fprintf(stderr, "signed 16 [%hd]\n", 1477192348Sdelphij info[i].pi_s16); 1478191739Sobrien break; 1479191739Sobrien case CDF_SIGNED32: 1480192348Sdelphij (void)fprintf(stderr, "signed 32 [%d]\n", 1481192348Sdelphij info[i].pi_s32); 1482191739Sobrien break; 1483191739Sobrien case CDF_UNSIGNED32: 1484192348Sdelphij (void)fprintf(stderr, "unsigned 32 [%u]\n", 1485192348Sdelphij info[i].pi_u32); 1486191739Sobrien break; 1487234250Sobrien case CDF_FLOAT: 1488234250Sobrien (void)fprintf(stderr, "float [%g]\n", 1489234250Sobrien info[i].pi_f); 1490234250Sobrien break; 1491234250Sobrien case CDF_DOUBLE: 1492234250Sobrien (void)fprintf(stderr, "double [%g]\n", 1493234250Sobrien info[i].pi_d); 1494234250Sobrien break; 1495191739Sobrien case CDF_LENGTH32_STRING: 1496192348Sdelphij (void)fprintf(stderr, "string %u [%.*s]\n", 1497192348Sdelphij info[i].pi_str.s_len, 1498191739Sobrien info[i].pi_str.s_len, info[i].pi_str.s_buf); 1499191739Sobrien break; 1500226048Sobrien case CDF_LENGTH32_WSTRING: 1501226048Sobrien (void)fprintf(stderr, "string %u [", 1502226048Sobrien info[i].pi_str.s_len); 1503226048Sobrien for (j = 0; j < info[i].pi_str.s_len - 1; j++) 1504226048Sobrien (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); 1505226048Sobrien (void)fprintf(stderr, "]\n"); 1506226048Sobrien break; 1507191739Sobrien case CDF_FILETIME: 1508191739Sobrien tp = info[i].pi_tp; 1509191739Sobrien if (tp < 1000000000000000LL) { 1510191739Sobrien cdf_print_elapsed_time(buf, sizeof(buf), tp); 1511192348Sdelphij (void)fprintf(stderr, "timestamp %s\n", buf); 1512191739Sobrien } else { 1513284237Sdelphij char tbuf[26]; 1514191739Sobrien cdf_timestamp_to_timespec(&ts, tp); 1515192348Sdelphij (void)fprintf(stderr, "timestamp %s", 1516284237Sdelphij cdf_ctime(&ts.tv_sec, tbuf)); 1517191739Sobrien } 1518191739Sobrien break; 1519191739Sobrien case CDF_CLIPBOARD: 1520192348Sdelphij (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); 1521191739Sobrien break; 1522191739Sobrien default: 1523328874Seadler DPRINTF(("Don't know how to deal with %#x\n", 1524191739Sobrien info[i].pi_type)); 1525191739Sobrien break; 1526191739Sobrien } 1527191739Sobrien } 1528191739Sobrien} 1529191739Sobrien 1530191739Sobrien 1531191739Sobrienvoid 1532191739Sobriencdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) 1533191739Sobrien{ 1534191739Sobrien char buf[128]; 1535191739Sobrien cdf_summary_info_header_t ssi; 1536191739Sobrien cdf_property_info_t *info; 1537191739Sobrien size_t count; 1538191739Sobrien 1539191739Sobrien (void)&h; 1540226048Sobrien if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) 1541191739Sobrien return; 1542328874Seadler (void)fprintf(stderr, "Endian: %#x\n", ssi.si_byte_order); 1543192348Sdelphij (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, 1544275698Sdelphij ssi.si_os_version >> 8); 1545192348Sdelphij (void)fprintf(stderr, "Os %d\n", ssi.si_os); 1546191739Sobrien cdf_print_classid(buf, sizeof(buf), &ssi.si_class); 1547192348Sdelphij (void)fprintf(stderr, "Class %s\n", buf); 1548192348Sdelphij (void)fprintf(stderr, "Count %d\n", ssi.si_count); 1549191739Sobrien cdf_dump_property_info(info, count); 1550191739Sobrien free(info); 1551191739Sobrien} 1552191739Sobrien 1553275698Sdelphij 1554275698Sdelphijvoid 1555275698Sdelphijcdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) 1556275698Sdelphij{ 1557275698Sdelphij cdf_catalog_t *cat; 1558275698Sdelphij cdf_unpack_catalog(h, sst, &cat); 1559275698Sdelphij const cdf_catalog_entry_t *ce = cat->cat_e; 1560275698Sdelphij struct timespec ts; 1561275698Sdelphij char tbuf[64], sbuf[256]; 1562275698Sdelphij size_t i; 1563275698Sdelphij 1564275698Sdelphij printf("Catalog:\n"); 1565275698Sdelphij for (i = 0; i < cat->cat_num; i++) { 1566275698Sdelphij cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); 1567275698Sdelphij printf("\t%d %s %s", ce[i].ce_num, 1568275698Sdelphij cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), 1569275698Sdelphij cdf_ctime(&ts.tv_sec, tbuf)); 1570275698Sdelphij } 1571275698Sdelphij free(cat); 1572275698Sdelphij} 1573275698Sdelphij 1574191739Sobrien#endif 1575191739Sobrien 1576191739Sobrien#ifdef TEST 1577191739Sobrienint 1578191739Sobrienmain(int argc, char *argv[]) 1579191739Sobrien{ 1580192348Sdelphij int i; 1581191739Sobrien cdf_header_t h; 1582191739Sobrien cdf_sat_t sat, ssat; 1583191739Sobrien cdf_stream_t sst, scn; 1584191739Sobrien cdf_dir_t dir; 1585192348Sdelphij cdf_info_t info; 1586275698Sdelphij const cdf_directory_t *root; 1587284237Sdelphij#ifdef __linux__ 1588284237Sdelphij#define getprogname() __progname 1589284237Sdelphij extern char *__progname; 1590284237Sdelphij#endif 1591191739Sobrien if (argc < 2) { 1592191739Sobrien (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); 1593191739Sobrien return -1; 1594191739Sobrien } 1595191739Sobrien 1596192348Sdelphij info.i_buf = NULL; 1597192348Sdelphij info.i_len = 0; 1598191739Sobrien for (i = 1; i < argc; i++) { 1599192348Sdelphij if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) 1600337827Seadler err(EXIT_FAILURE, "Cannot open `%s'", argv[1]); 1601191739Sobrien 1602192348Sdelphij if (cdf_read_header(&info, &h) == -1) 1603337827Seadler err(EXIT_FAILURE, "Cannot read header"); 1604191739Sobrien#ifdef CDF_DEBUG 1605191739Sobrien cdf_dump_header(&h); 1606191739Sobrien#endif 1607191739Sobrien 1608192348Sdelphij if (cdf_read_sat(&info, &h, &sat) == -1) 1609337827Seadler err(EXIT_FAILURE, "Cannot read sat"); 1610191739Sobrien#ifdef CDF_DEBUG 1611192348Sdelphij cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); 1612191739Sobrien#endif 1613191739Sobrien 1614192348Sdelphij if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) 1615337827Seadler err(EXIT_FAILURE, "Cannot read ssat"); 1616191739Sobrien#ifdef CDF_DEBUG 1617226048Sobrien cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); 1618191739Sobrien#endif 1619191739Sobrien 1620192348Sdelphij if (cdf_read_dir(&info, &h, &sat, &dir) == -1) 1621337827Seadler err(EXIT_FAILURE, "Cannot read dir"); 1622191739Sobrien 1623275698Sdelphij if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) 1624275698Sdelphij == -1) 1625337827Seadler err(EXIT_FAILURE, "Cannot read short stream"); 1626191739Sobrien#ifdef CDF_DEBUG 1627309847Sdelphij cdf_dump_stream(&sst); 1628191739Sobrien#endif 1629191739Sobrien 1630191739Sobrien#ifdef CDF_DEBUG 1631192348Sdelphij cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); 1632191739Sobrien#endif 1633191739Sobrien 1634191739Sobrien 1635192348Sdelphij if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, 1636191739Sobrien &scn) == -1) 1637275698Sdelphij warn("Cannot read summary info"); 1638191739Sobrien#ifdef CDF_DEBUG 1639275698Sdelphij else 1640275698Sdelphij cdf_dump_summary_info(&h, &scn); 1641191739Sobrien#endif 1642284237Sdelphij if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, 1643284237Sdelphij &dir, "Catalog", &scn) == -1) 1644275698Sdelphij warn("Cannot read catalog"); 1645275698Sdelphij#ifdef CDF_DEBUG 1646275698Sdelphij else 1647275698Sdelphij cdf_dump_catalog(&h, &scn); 1648275698Sdelphij#endif 1649191739Sobrien 1650192348Sdelphij (void)close(info.i_fd); 1651191739Sobrien } 1652191739Sobrien 1653191739Sobrien return 0; 1654191739Sobrien} 1655191739Sobrien#endif 1656