Edit File: cdf.c
/*- * Copyright (c) 2008 Christos Zoulas * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Parse Composite Document Files, the format used in Microsoft Office * document files before they switched to zipped XML. * Info from: http://sc.openoffice.org/compdocfileformat.pdf * * N.B. This is the "Composite Document File" format, and not the * "Compound Document Format", nor the "Channel Definition Format". */ #include "file.h" #ifndef lint FILE_RCSID("@(#)$File: cdf.c,v 1.116 2019/08/26 14:31:39 christos Exp $") #endif #include <assert.h> #ifdef CDF_DEBUG #include <err.h> #endif #include <stdlib.h> #ifdef PHP_WIN32 #include "win32/unistd.h" #else #include <unistd.h> #endif #ifndef UINT32_MAX # define UINT32_MAX (0xffffffff) #endif #include <string.h> #include <time.h> #include <ctype.h> #include <limits.h> #ifndef EFTYPE #define EFTYPE EINVAL #endif #ifndef SIZE_T_MAX #define SIZE_T_MAX CAST(size_t, ~0ULL) #endif #include "cdf.h" #ifdef CDF_DEBUG #define DPRINTF(a) printf a, fflush(stdout) #else #define DPRINTF(a) #endif static union { char s[4]; uint32_t u; } cdf_bo; #define NEED_SWAP (cdf_bo.u == CAST(uint32_t, 0x01020304)) #define CDF_TOLE8(x) \ (CAST(uint64_t, NEED_SWAP ? _cdf_tole8(x) : CAST(uint64_t, x))) #define CDF_TOLE4(x) \ (CAST(uint32_t, NEED_SWAP ? _cdf_tole4(x) : CAST(uint32_t, x))) #define CDF_TOLE2(x) \ (CAST(uint16_t, NEED_SWAP ? _cdf_tole2(x) : CAST(uint16_t, x))) #define CDF_TOLE(x) (/*CONSTCOND*/sizeof(x) == 2 ? \ CDF_TOLE2(CAST(uint16_t, x)) : \ (/*CONSTCOND*/sizeof(x) == 4 ? \ CDF_TOLE4(CAST(uint32_t, x)) : \ CDF_TOLE8(CAST(uint64_t, x)))) #define CDF_GETUINT32(x, y) cdf_getuint32(x, y) #define CDF_MALLOC(n) emalloc(n) #define CDF_REALLOC(p, n) erealloc(p, n) #define CDF_CALLOC(n, u) ecalloc(n, u) /* * swap a short */ static uint16_t _cdf_tole2(uint16_t sv) { uint16_t rv; uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); d[0] = s[1]; d[1] = s[0]; return rv; } /* * swap an int */ static uint32_t _cdf_tole4(uint32_t sv) { uint32_t rv; uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); d[0] = s[3]; d[1] = s[2]; d[2] = s[1]; d[3] = s[0]; return rv; } /* * swap a quad */ static uint64_t _cdf_tole8(uint64_t sv) { uint64_t rv; uint8_t *s = RCAST(uint8_t *, RCAST(void *, &sv)); uint8_t *d = RCAST(uint8_t *, RCAST(void *, &rv)); d[0] = s[7]; d[1] = s[6]; d[2] = s[5]; d[3] = s[4]; d[4] = s[3]; d[5] = s[2]; d[6] = s[1]; d[7] = s[0]; return rv; } /* * grab a uint32_t from a possibly unaligned address, and return it in * the native host order. */ static uint32_t cdf_getuint32(const uint8_t *p, size_t offs) { uint32_t rv; (void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv)); return CDF_TOLE4(rv); } #define CDF_UNPACK(a) \ (void)memcpy(&(a), &buf[len], sizeof(a)), len += sizeof(a) #define CDF_UNPACKA(a) \ (void)memcpy((a), &buf[len], sizeof(a)), len += sizeof(a) uint16_t cdf_tole2(uint16_t sv) { return CDF_TOLE2(sv); } uint32_t cdf_tole4(uint32_t sv) { return CDF_TOLE4(sv); } uint64_t cdf_tole8(uint64_t sv) { return CDF_TOLE8(sv); } void cdf_swap_header(cdf_header_t *h) { size_t i; h->h_magic = CDF_TOLE8(h->h_magic); h->h_uuid[0] = CDF_TOLE8(h->h_uuid[0]); h->h_uuid[1] = CDF_TOLE8(h->h_uuid[1]); h->h_revision = CDF_TOLE2(h->h_revision); h->h_version = CDF_TOLE2(h->h_version); h->h_byte_order = CDF_TOLE2(h->h_byte_order); h->h_sec_size_p2 = CDF_TOLE2(h->h_sec_size_p2); h->h_short_sec_size_p2 = CDF_TOLE2(h->h_short_sec_size_p2); h->h_num_sectors_in_sat = CDF_TOLE4(h->h_num_sectors_in_sat); h->h_secid_first_directory = CDF_TOLE4(h->h_secid_first_directory); h->h_min_size_standard_stream = CDF_TOLE4(h->h_min_size_standard_stream); h->h_secid_first_sector_in_short_sat = CDF_TOLE4(CAST(uint32_t, h->h_secid_first_sector_in_short_sat)); h->h_num_sectors_in_short_sat = CDF_TOLE4(h->h_num_sectors_in_short_sat); h->h_secid_first_sector_in_master_sat = CDF_TOLE4(CAST(uint32_t, h->h_secid_first_sector_in_master_sat)); h->h_num_sectors_in_master_sat = CDF_TOLE4(h->h_num_sectors_in_master_sat); for (i = 0; i < __arraycount(h->h_master_sat); i++) { h->h_master_sat[i] = CDF_TOLE4(CAST(uint32_t, h->h_master_sat[i])); } } void cdf_unpack_header(cdf_header_t *h, char *buf) { size_t i; size_t len = 0; CDF_UNPACK(h->h_magic); CDF_UNPACKA(h->h_uuid); CDF_UNPACK(h->h_revision); CDF_UNPACK(h->h_version); CDF_UNPACK(h->h_byte_order); CDF_UNPACK(h->h_sec_size_p2); CDF_UNPACK(h->h_short_sec_size_p2); CDF_UNPACKA(h->h_unused0); CDF_UNPACK(h->h_num_sectors_in_sat); CDF_UNPACK(h->h_secid_first_directory); CDF_UNPACKA(h->h_unused1); CDF_UNPACK(h->h_min_size_standard_stream); CDF_UNPACK(h->h_secid_first_sector_in_short_sat); CDF_UNPACK(h->h_num_sectors_in_short_sat); CDF_UNPACK(h->h_secid_first_sector_in_master_sat); CDF_UNPACK(h->h_num_sectors_in_master_sat); for (i = 0; i < __arraycount(h->h_master_sat); i++) CDF_UNPACK(h->h_master_sat[i]); } void cdf_swap_dir(cdf_directory_t *d) { d->d_namelen = CDF_TOLE2(d->d_namelen); d->d_left_child = CDF_TOLE4(CAST(uint32_t, d->d_left_child)); d->d_right_child = CDF_TOLE4(CAST(uint32_t, d->d_right_child)); d->d_storage = CDF_TOLE4(CAST(uint32_t, d->d_storage)); d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]); d->d_storage_uuid[1] = CDF_TOLE8(d->d_storage_uuid[1]); d->d_flags = CDF_TOLE4(d->d_flags); d->d_created = CDF_TOLE8(CAST(uint64_t, d->d_created)); d->d_modified = CDF_TOLE8(CAST(uint64_t, d->d_modified)); d->d_stream_first_sector = CDF_TOLE4( CAST(uint32_t, d->d_stream_first_sector)); d->d_size = CDF_TOLE4(d->d_size); } void cdf_swap_class(cdf_classid_t *d) { d->cl_dword = CDF_TOLE4(d->cl_dword); d->cl_word[0] = CDF_TOLE2(d->cl_word[0]); d->cl_word[1] = CDF_TOLE2(d->cl_word[1]); } void cdf_unpack_dir(cdf_directory_t *d, char *buf) { size_t len = 0; CDF_UNPACKA(d->d_name); CDF_UNPACK(d->d_namelen); CDF_UNPACK(d->d_type); CDF_UNPACK(d->d_color); CDF_UNPACK(d->d_left_child); CDF_UNPACK(d->d_right_child); CDF_UNPACK(d->d_storage); CDF_UNPACKA(d->d_storage_uuid); CDF_UNPACK(d->d_flags); CDF_UNPACK(d->d_created); CDF_UNPACK(d->d_modified); CDF_UNPACK(d->d_stream_first_sector); CDF_UNPACK(d->d_size); CDF_UNPACK(d->d_unused0); } int cdf_zero_stream(cdf_stream_t *scn) { scn->sst_len = 0; scn->sst_dirlen = 0; scn->sst_ss = 0; efree(scn->sst_tab); scn->sst_tab = NULL; return -1; } static size_t cdf_check_stream(const cdf_stream_t *sst, const cdf_header_t *h) { #ifndef NDEBUG size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ? CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h); assert(ss == sst->sst_ss); #endif return sst->sst_ss; } static int cdf_check_stream_offset(const cdf_stream_t *sst, const cdf_header_t *h, const void *p, size_t tail, int line) { const char *b = RCAST(const char *, sst->sst_tab); const char *e = RCAST(const char *, p) + tail; size_t ss = cdf_check_stream(sst, h); /*LINTED*/(void)&line; if (e >= b && CAST(size_t, e - b) <= ss * sst->sst_len) return 0; DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u" " > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %" SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b), ss * sst->sst_len, ss, sst->sst_len)); errno = EFTYPE; return -1; } static ssize_t cdf_read(const cdf_info_t *info, zend_off_t off, void *buf, size_t len) { size_t siz = CAST(size_t, off + len); if (CAST(zend_off_t, off + len) != CAST(zend_off_t, siz)) goto out; if (info->i_buf != NULL && info->i_len >= siz) { (void)memcpy(buf, &info->i_buf[off], len); return CAST(ssize_t, len); } if (info->i_fd == -1) goto out; if (FINFO_LSEEK_FUNC(info->i_fd, off, SEEK_SET) == (zend_off_t)-1) return -1; if (FINFO_READ_FUNC(info->i_fd, buf, len) != (ssize_t)len) return -1; return CAST(ssize_t, len); out: errno = EINVAL; return -1; } int cdf_read_header(const cdf_info_t *info, cdf_header_t *h) { char buf[512]; (void)memcpy(cdf_bo.s, "\01\02\03\04", 4); if (cdf_read(info, CAST(zend_off_t, 0), buf, sizeof(buf)) == -1) return -1; cdf_unpack_header(h, buf); cdf_swap_header(h); if (h->h_magic != CDF_MAGIC) { DPRINTF(("Bad magic %#" INT64_T_FORMAT "x != %#" INT64_T_FORMAT "x\n", (unsigned long long)h->h_magic, (unsigned long long)CDF_MAGIC)); goto out; } if (h->h_sec_size_p2 > 20) { DPRINTF(("Bad sector size %hu\n", h->h_sec_size_p2)); goto out; } if (h->h_short_sec_size_p2 > 20) { DPRINTF(("Bad short sector size %hu\n", h->h_short_sec_size_p2)); goto out; } return 0; out: errno = EFTYPE; return -1; } ssize_t cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len, const cdf_header_t *h, cdf_secid_t id) { size_t ss = CDF_SEC_SIZE(h); size_t pos; if (SIZE_T_MAX / ss < CAST(size_t, id)) return -1; pos = CDF_SEC_POS(h, id); assert(ss == len); return cdf_read(info, CAST(off_t, pos), RCAST(char *, buf) + offs, len); } ssize_t cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, size_t len, const cdf_header_t *h, cdf_secid_t id) { size_t ss = CDF_SHORT_SEC_SIZE(h); size_t pos; if (SIZE_T_MAX / ss < CAST(size_t, id)) return -1; pos = CDF_SHORT_SEC_POS(h, id); assert(ss == len); if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); goto out; } (void)memcpy(RCAST(char *, buf) + offs, RCAST(const char *, sst->sst_tab) + pos, len); return len; out: errno = EFTYPE; return -1; } /* * Read the sector allocation table. */ int cdf_read_sat(const cdf_info_t *info, cdf_header_t *h, cdf_sat_t *sat) { size_t i, j, k; size_t ss = CDF_SEC_SIZE(h); cdf_secid_t *msa, mid, sec; size_t nsatpersec = (ss / sizeof(mid)) - 1; for (i = 0; i < __arraycount(h->h_master_sat); i++) if (h->h_master_sat[i] == CDF_SECID_FREE) break; #define CDF_SEC_LIMIT (UINT32_MAX / (64 * ss)) if ((nsatpersec > 0 && h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec) || i > CDF_SEC_LIMIT) { DPRINTF(("Number of sectors in master SAT too big %u %" SIZE_T_FORMAT "u\n", h->h_num_sectors_in_master_sat, i)); errno = EFTYPE; return -1; } sat->sat_len = h->h_num_sectors_in_master_sat * nsatpersec + i; DPRINTF(("sat_len = %" SIZE_T_FORMAT "u ss = %" SIZE_T_FORMAT "u\n", sat->sat_len, ss)); if ((sat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(sat->sat_len, ss))) == NULL) return -1; for (i = 0; i < __arraycount(h->h_master_sat); i++) { if (h->h_master_sat[i] < 0) break; if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, h->h_master_sat[i]) != CAST(ssize_t, ss)) { DPRINTF(("Reading sector %d", h->h_master_sat[i])); goto out1; } } if ((msa = CAST(cdf_secid_t *, CDF_CALLOC(1, ss))) == NULL) goto out1; mid = h->h_secid_first_sector_in_master_sat; for (j = 0; j < h->h_num_sectors_in_master_sat; j++) { if (mid < 0) goto out; if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Reading master sector loop limit")); goto out3; } if (cdf_read_sector(info, msa, 0, ss, h, mid) != CAST(ssize_t, ss)) { DPRINTF(("Reading master sector %d", mid)); goto out2; } for (k = 0; k < nsatpersec; k++, i++) { sec = CDF_TOLE4(CAST(uint32_t, msa[k])); if (sec < 0) goto out; if (i >= sat->sat_len) { DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len)); goto out3; } if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h, sec) != CAST(ssize_t, ss)) { DPRINTF(("Reading sector %d", CDF_TOLE4(msa[k]))); goto out2; } } mid = CDF_TOLE4(CAST(uint32_t, msa[nsatpersec])); } out: sat->sat_len = i; efree(msa); return 0; out3: errno = EFTYPE; out2: efree(msa); out1: efree(sat->sat_tab); return -1; } size_t cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size) { size_t i, j; cdf_secid_t maxsector = CAST(cdf_secid_t, (sat->sat_len * size) / sizeof(maxsector)); DPRINTF(("Chain:")); if (sid == CDF_SECID_END_OF_CHAIN) { /* 0-length chain. */ DPRINTF((" empty\n")); return 0; } for (j = i = 0; sid >= 0; i++, j++) { DPRINTF((" %d", sid)); if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Counting chain loop limit")); goto out; } if (sid >= maxsector) { DPRINTF(("Sector %d >= %d\n", sid, maxsector)); goto out; } sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); } if (i == 0) { DPRINTF((" none, sid: %d\n", sid)); goto out; } DPRINTF(("\n")); return i; out: errno = EFTYPE; return CAST(size_t, -1); } int cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, cdf_secid_t sid, size_t len, cdf_stream_t *scn) { size_t ss = CDF_SEC_SIZE(h), i, j; ssize_t nr; scn->sst_tab = NULL; scn->sst_len = cdf_count_chain(sat, sid, ss); scn->sst_dirlen = MAX(h->h_min_size_standard_stream, len); scn->sst_ss = ss; if (sid == CDF_SECID_END_OF_CHAIN || len == 0) return cdf_zero_stream(scn); if (scn->sst_len == CAST(size_t, -1)) goto out; scn->sst_tab = CDF_CALLOC(scn->sst_len, ss); if (scn->sst_tab == NULL) return cdf_zero_stream(scn); for (j = i = 0; sid >= 0; i++, j++) { if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Read long sector chain loop limit")); goto out; } if (i >= scn->sst_len) { DPRINTF(("Out of bounds reading long sector chain " "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, scn->sst_len)); goto out; } if ((nr = cdf_read_sector(info, scn->sst_tab, i * ss, ss, h, sid)) != CAST(ssize_t, ss)) { if (i == scn->sst_len - 1 && nr > 0) { /* Last sector might be truncated */ return 0; } DPRINTF(("Reading long sector chain %d", sid)); goto out; } sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); } return 0; out: errno = EFTYPE; return cdf_zero_stream(scn); } int cdf_read_short_sector_chain(const cdf_header_t *h, const cdf_sat_t *ssat, const cdf_stream_t *sst, cdf_secid_t sid, size_t len, cdf_stream_t *scn) { size_t ss = CDF_SHORT_SEC_SIZE(h), i, j; scn->sst_tab = NULL; scn->sst_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h)); scn->sst_dirlen = len; scn->sst_ss = ss; if (scn->sst_len == CAST(size_t, -1)) goto out; scn->sst_tab = CDF_CALLOC(scn->sst_len, ss); if (scn->sst_tab == NULL) return cdf_zero_stream(scn); for (j = i = 0; sid >= 0; i++, j++) { if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Read short sector chain loop limit")); goto out; } if (i >= scn->sst_len) { DPRINTF(("Out of bounds reading short sector chain " "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, scn->sst_len)); goto out; } if (cdf_read_short_sector(sst, scn->sst_tab, i * ss, ss, h, sid) != CAST(ssize_t, ss)) { DPRINTF(("Reading short sector chain %d", sid)); goto out; } sid = CDF_TOLE4(CAST(uint32_t, ssat->sat_tab[sid])); } return 0; out: errno = EFTYPE; return cdf_zero_stream(scn); } int cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, cdf_secid_t sid, size_t len, cdf_stream_t *scn) { if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL) return cdf_read_short_sector_chain(h, ssat, sst, sid, len, scn); else return cdf_read_long_sector_chain(info, h, sat, sid, len, scn); } int cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, cdf_dir_t *dir) { size_t i, j; size_t ss = CDF_SEC_SIZE(h), ns, nd; char *buf; cdf_secid_t sid = h->h_secid_first_directory; ns = cdf_count_chain(sat, sid, ss); if (ns == CAST(size_t, -1)) return -1; nd = ss / CDF_DIRECTORY_SIZE; dir->dir_len = ns * nd; dir->dir_tab = CAST(cdf_directory_t *, CDF_CALLOC(dir->dir_len, sizeof(dir->dir_tab[0]))); if (dir->dir_tab == NULL) return -1; if ((buf = CAST(char *, CDF_MALLOC(ss))) == NULL) { efree(dir->dir_tab); return -1; } for (j = i = 0; i < ns; i++, j++) { if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Read dir loop limit")); goto out; } if (cdf_read_sector(info, buf, 0, ss, h, sid) != CAST(ssize_t, ss)) { DPRINTF(("Reading directory sector %d", sid)); goto out; } for (j = 0; j < nd; j++) { cdf_unpack_dir(&dir->dir_tab[i * nd + j], &buf[j * CDF_DIRECTORY_SIZE]); } sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); } if (NEED_SWAP) for (i = 0; i < dir->dir_len; i++) cdf_swap_dir(&dir->dir_tab[i]); efree(buf); return 0; out: efree(dir->dir_tab); efree(buf); errno = EFTYPE; return -1; } int cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, cdf_sat_t *ssat) { size_t i, j; size_t ss = CDF_SEC_SIZE(h); cdf_secid_t sid = h->h_secid_first_sector_in_short_sat; ssat->sat_tab = NULL; ssat->sat_len = cdf_count_chain(sat, sid, ss); if (ssat->sat_len == CAST(size_t, -1)) goto out; ssat->sat_tab = CAST(cdf_secid_t *, CDF_CALLOC(ssat->sat_len, ss)); if (ssat->sat_tab == NULL) goto out1; for (j = i = 0; sid >= 0; i++, j++) { if (j >= CDF_LOOP_LIMIT) { DPRINTF(("Read short sat sector loop limit")); goto out; } if (i >= ssat->sat_len) { DPRINTF(("Out of bounds reading short sector chain " "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i, ssat->sat_len)); goto out; } if (cdf_read_sector(info, ssat->sat_tab, i * ss, ss, h, sid) != CAST(ssize_t, ss)) { DPRINTF(("Reading short sat sector %d", sid)); goto out1; } sid = CDF_TOLE4(CAST(uint32_t, sat->sat_tab[sid])); } return 0; out: errno = EFTYPE; out1: efree(ssat->sat_tab); return -1; } int cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn, const cdf_directory_t **root) { size_t i; const cdf_directory_t *d; *root = NULL; for (i = 0; i < dir->dir_len; i++) if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE) break; /* If the it is not there, just fake it; some docs don't have it */ if (i == dir->dir_len) { DPRINTF(("Cannot find root storage dir\n")); goto out; } d = &dir->dir_tab[i]; *root = d; /* If the it is not there, just fake it; some docs don't have it */ if (d->d_stream_first_sector < 0) { DPRINTF(("No first secror in dir\n")); goto out; } return cdf_read_long_sector_chain(info, h, sat, d->d_stream_first_sector, d->d_size, scn); out: scn->sst_tab = NULL; (void)cdf_zero_stream(scn); return 0; } static int cdf_namecmp(const char *d, const uint16_t *s, size_t l) { for (; l--; d++, s++) if (*d != CDF_TOLE2(*s)) return CAST(unsigned char, *d) - CDF_TOLE2(*s); return 0; } int cdf_read_doc_summary_info(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn) { return cdf_read_user_stream(info, h, sat, ssat, sst, dir, "\05DocumentSummaryInformation", scn); } int cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, const cdf_dir_t *dir, cdf_stream_t *scn) { return cdf_read_user_stream(info, h, sat, ssat, sst, dir, "\05SummaryInformation", scn); } int cdf_read_user_stream(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, const cdf_dir_t *dir, const char *name, cdf_stream_t *scn) { const cdf_directory_t *d; int i = cdf_find_stream(dir, name, CDF_DIR_TYPE_USER_STREAM); if (i <= 0) { memset(scn, 0, sizeof(*scn)); return -1; } d = &dir->dir_tab[i - 1]; return cdf_read_sector_chain(info, h, sat, ssat, sst, d->d_stream_first_sector, d->d_size, scn); } int cdf_find_stream(const cdf_dir_t *dir, const char *name, int type) { size_t i, name_len = strlen(name) + 1; for (i = dir->dir_len; i > 0; i--) if (dir->dir_tab[i - 1].d_type == type && cdf_namecmp(name, dir->dir_tab[i - 1].d_name, name_len) == 0) break; if (i > 0) return CAST(int, i); DPRINTF(("Cannot find type %d `%s'\n", type, name)); errno = ESRCH; return 0; } #define CDF_SHLEN_LIMIT (UINT32_MAX / 64) #define CDF_PROP_LIMIT (UINT32_MAX / (64 * sizeof(cdf_property_info_t))) static const void * cdf_offset(const void *p, size_t l) { return CAST(const void *, CAST(const uint8_t *, p) + l); } static const uint8_t * cdf_get_property_info_pos(const cdf_stream_t *sst, const cdf_header_t *h, const uint8_t *p, const uint8_t *e, size_t i) { size_t tail = (i << 1) + 1; size_t ofs; const uint8_t *q; if (p >= e) { DPRINTF(("Past end %p < %p\n", e, p)); return NULL; } if (cdf_check_stream_offset(sst, h, p, (tail + 1) * sizeof(uint32_t), __LINE__) == -1) return NULL; ofs = CDF_GETUINT32(p, tail); q = CAST(const uint8_t *, cdf_offset(CAST(const void *, p), ofs - 2 * sizeof(uint32_t))); if (q < p) { DPRINTF(("Wrapped around %p < %p\n", q, p)); return NULL; } if (q >= e) { DPRINTF(("Ran off the end %p >= %p\n", q, e)); return NULL; } return q; } static cdf_property_info_t * cdf_grow_info(cdf_property_info_t **info, size_t *maxcount, size_t incr) { cdf_property_info_t *inp; size_t newcount = *maxcount + incr; if (newcount > CDF_PROP_LIMIT) { DPRINTF(("exceeded property limit %" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", newcount, CDF_PROP_LIMIT)); goto out; } inp = CAST(cdf_property_info_t *, CDF_REALLOC(*info, newcount * sizeof(*inp))); if (inp == NULL) goto out; *info = inp; *maxcount = newcount; return inp; out: efree(*info); *maxcount = 0; *info = NULL; return NULL; } static int cdf_copy_info(cdf_property_info_t *inp, const void *p, const void *e, size_t len) { if (inp->pi_type & CDF_VECTOR) return 0; if (CAST(size_t, CAST(const char *, e) - CAST(const char *, p)) < len) return 0; (void)memcpy(&inp->pi_val, p, len); switch (len) { case 2: inp->pi_u16 = CDF_TOLE2(inp->pi_u16); break; case 4: inp->pi_u32 = CDF_TOLE4(inp->pi_u32); break; case 8: inp->pi_u64 = CDF_TOLE8(inp->pi_u64); break; default: abort(); } return 1; } int cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, uint32_t offs, cdf_property_info_t **info, size_t *count, size_t *maxcount) { const cdf_section_header_t *shp; cdf_section_header_t sh; const uint8_t *p, *q, *e; size_t i, o4, nelements, j, slen, left; cdf_property_info_t *inp; if (offs > UINT32_MAX / 4) { errno = EFTYPE; goto out; } shp = CAST(const cdf_section_header_t *, cdf_offset(sst->sst_tab, offs)); if (cdf_check_stream_offset(sst, h, shp, sizeof(*shp), __LINE__) == -1) goto out; sh.sh_len = CDF_TOLE4(shp->sh_len); if (sh.sh_len > CDF_SHLEN_LIMIT) { errno = EFTYPE; goto out; } if (cdf_check_stream_offset(sst, h, shp, sh.sh_len, __LINE__) == -1) goto out; sh.sh_properties = CDF_TOLE4(shp->sh_properties); DPRINTF(("section len: %u properties %u\n", sh.sh_len, sh.sh_properties)); if (sh.sh_properties > CDF_PROP_LIMIT) goto out; inp = cdf_grow_info(info, maxcount, sh.sh_properties); if (inp == NULL) goto out; inp += *count; *count += sh.sh_properties; p = CAST(const uint8_t *, cdf_offset(sst->sst_tab, offs + sizeof(sh))); e = CAST(const uint8_t *, cdf_offset(shp, sh.sh_len)); if (p >= e || cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) goto out; for (i = 0; i < sh.sh_properties; i++) { if ((q = cdf_get_property_info_pos(sst, h, p, e, i)) == NULL) goto out; inp[i].pi_id = CDF_GETUINT32(p, i << 1); left = CAST(size_t, e - q); if (left < sizeof(uint32_t)) { DPRINTF(("short info (no type)_\n")); goto out; } inp[i].pi_type = CDF_GETUINT32(q, 0); DPRINTF(("%" SIZE_T_FORMAT "u) id=%#x type=%#x offs=%#tx,%#x\n", i, inp[i].pi_id, inp[i].pi_type, q - p, offs)); if (inp[i].pi_type & CDF_VECTOR) { if (left < sizeof(uint32_t) * 2) { DPRINTF(("missing CDF_VECTOR length\n")); goto out; } nelements = CDF_GETUINT32(q, 1); if (nelements > CDF_ELEMENT_LIMIT || nelements == 0) { DPRINTF(("CDF_VECTOR with nelements == %" SIZE_T_FORMAT "u\n", nelements)); goto out; } slen = 2; } else { nelements = 1; slen = 1; } o4 = slen * sizeof(uint32_t); if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED)) goto unknown; switch (inp[i].pi_type & CDF_TYPEMASK) { case CDF_NULL: case CDF_EMPTY: break; case CDF_SIGNED16: if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int16_t))) goto unknown; break; case CDF_SIGNED32: case CDF_BOOL: case CDF_UNSIGNED32: case CDF_FLOAT: if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int32_t))) goto unknown; break; case CDF_SIGNED64: case CDF_UNSIGNED64: case CDF_DOUBLE: case CDF_FILETIME: if (!cdf_copy_info(&inp[i], &q[o4], e, sizeof(int64_t))) goto unknown; break; case CDF_LENGTH32_STRING: case CDF_LENGTH32_WSTRING: if (nelements > 1) { size_t nelem = inp - *info; inp = cdf_grow_info(info, maxcount, nelements); if (inp == NULL) goto out; inp += nelem; } for (j = 0; j < nelements && i < sh.sh_properties; j++, i++) { uint32_t l; if (o4 + sizeof(uint32_t) > left) goto out; l = CDF_GETUINT32(q, slen); o4 += sizeof(uint32_t); if (o4 + l > left) goto out; inp[i].pi_str.s_len = l; inp[i].pi_str.s_buf = CAST(const char *, CAST(const void *, &q[o4])); DPRINTF(("o=%" SIZE_T_FORMAT "u l=%d(%" SIZE_T_FORMAT "u), t=%" SIZE_T_FORMAT "u s=%s\n", o4, l, CDF_ROUND(l, sizeof(l)), left, inp[i].pi_str.s_buf)); if (l & 1) l++; slen += l >> 1; o4 = slen * sizeof(uint32_t); } i--; break; case CDF_CLIPBOARD: if (inp[i].pi_type & CDF_VECTOR) goto unknown; break; default: unknown: memset(&inp[i].pi_val, 0, sizeof(inp[i].pi_val)); DPRINTF(("Don't know how to deal with %#x\n", inp[i].pi_type)); break; } } return 0; out: efree(*info); *info = NULL; *count = 0; *maxcount = 0; errno = EFTYPE; return -1; } int cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h, cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count) { size_t maxcount; const cdf_summary_info_header_t *si = CAST(const cdf_summary_info_header_t *, sst->sst_tab); const cdf_section_declaration_t *sd = CAST(const cdf_section_declaration_t *, RCAST(const void *, RCAST(const char *, sst->sst_tab) + CDF_SECTION_DECLARATION_OFFSET)); if (cdf_check_stream_offset(sst, h, si, sizeof(*si), __LINE__) == -1 || cdf_check_stream_offset(sst, h, sd, sizeof(*sd), __LINE__) == -1) return -1; ssi->si_byte_order = CDF_TOLE2(si->si_byte_order); ssi->si_os_version = CDF_TOLE2(si->si_os_version); ssi->si_os = CDF_TOLE2(si->si_os); ssi->si_class = si->si_class; cdf_swap_class(&ssi->si_class); ssi->si_count = CDF_TOLE4(si->si_count); *count = 0; maxcount = 0; *info = NULL; if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset), info, count, &maxcount) == -1) return -1; return 0; } #define extract_catalog_field(t, f, l) \ if (b + l + sizeof(cep->f) > eb) { \ cep->ce_namlen = 0; \ break; \ } \ memcpy(&cep->f, b + (l), sizeof(cep->f)); \ ce[i].f = CAST(t, CDF_TOLE(cep->f)) int cdf_unpack_catalog(const cdf_header_t *h, const cdf_stream_t *sst, cdf_catalog_t **cat) { size_t ss = cdf_check_stream(sst, h); const char *b = CAST(const char *, sst->sst_tab); const char *nb, *eb = b + ss * sst->sst_len; size_t nr, i, j, k; cdf_catalog_entry_t *ce; uint16_t reclen; const uint16_t *np; for (nr = 0;; nr++) { memcpy(&reclen, b, sizeof(reclen)); reclen = CDF_TOLE2(reclen); if (reclen == 0) break; b += reclen; if (b > eb) break; } if (nr == 0) return -1; nr--; *cat = CAST(cdf_catalog_t *, CDF_MALLOC(sizeof(cdf_catalog_t) + nr * sizeof(*ce))); if (*cat == NULL) return -1; ce = (*cat)->cat_e; memset(ce, 0, nr * sizeof(*ce)); b = CAST(const char *, sst->sst_tab); for (j = i = 0; i < nr; b += reclen) { cdf_catalog_entry_t *cep = &ce[j]; uint16_t rlen; extract_catalog_field(uint16_t, ce_namlen, 0); extract_catalog_field(uint16_t, ce_num, 4); extract_catalog_field(uint64_t, ce_timestamp, 8); reclen = cep->ce_namlen; if (reclen < 14) { cep->ce_namlen = 0; continue; } cep->ce_namlen = __arraycount(cep->ce_name) - 1; rlen = reclen - 14; if (cep->ce_namlen > rlen) cep->ce_namlen = rlen; np = CAST(const uint16_t *, CAST(const void *, (b + 16))); nb = CAST(const char *, CAST(const void *, (np + cep->ce_namlen))); if (nb > eb) { cep->ce_namlen = 0; break; } for (k = 0; k < cep->ce_namlen; k++) cep->ce_name[k] = np[k]; /* XXX: CDF_TOLE2? */ cep->ce_name[cep->ce_namlen] = 0; j = i; i++; } (*cat)->cat_num = j; return 0; } int cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id) { return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-" "%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0], id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0], id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4], id->cl_six[5]); } static const struct { uint32_t v; const char *n; } vn[] = { { CDF_PROPERTY_CODE_PAGE, "Code page" }, { CDF_PROPERTY_TITLE, "Title" }, { CDF_PROPERTY_SUBJECT, "Subject" }, { CDF_PROPERTY_AUTHOR, "Author" }, { CDF_PROPERTY_KEYWORDS, "Keywords" }, { CDF_PROPERTY_COMMENTS, "Comments" }, { CDF_PROPERTY_TEMPLATE, "Template" }, { CDF_PROPERTY_LAST_SAVED_BY, "Last Saved By" }, { CDF_PROPERTY_REVISION_NUMBER, "Revision Number" }, { CDF_PROPERTY_TOTAL_EDITING_TIME, "Total Editing Time" }, { CDF_PROPERTY_LAST_PRINTED, "Last Printed" }, { CDF_PROPERTY_CREATE_TIME, "Create Time/Date" }, { CDF_PROPERTY_LAST_SAVED_TIME, "Last Saved Time/Date" }, { CDF_PROPERTY_NUMBER_OF_PAGES, "Number of Pages" }, { CDF_PROPERTY_NUMBER_OF_WORDS, "Number of Words" }, { CDF_PROPERTY_NUMBER_OF_CHARACTERS, "Number of Characters" }, { CDF_PROPERTY_THUMBNAIL, "Thumbnail" }, { CDF_PROPERTY_NAME_OF_APPLICATION, "Name of Creating Application" }, { CDF_PROPERTY_SECURITY, "Security" }, { CDF_PROPERTY_LOCALE_ID, "Locale ID" }, }; int cdf_print_property_name(char *buf, size_t bufsiz, uint32_t p) { size_t i; for (i = 0; i < __arraycount(vn); i++) if (vn[i].v == p) return snprintf(buf, bufsiz, "%s", vn[i].n); return snprintf(buf, bufsiz, "%#x", p); } int cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts) { int len = 0; int days, hours, mins, secs; ts /= CDF_TIME_PREC; secs = CAST(int, ts % 60); ts /= 60; mins = CAST(int, ts % 60); ts /= 60; hours = CAST(int, ts % 24); ts /= 24; days = CAST(int, ts); if (days) { len += snprintf(buf + len, bufsiz - len, "%dd+", days); if (CAST(size_t, len) >= bufsiz) return len; } if (days || hours) { len += snprintf(buf + len, bufsiz - len, "%.2d:", hours); if (CAST(size_t, len) >= bufsiz) return len; } len += snprintf(buf + len, bufsiz - len, "%.2d:", mins); if (CAST(size_t, len) >= bufsiz) return len; len += snprintf(buf + len, bufsiz - len, "%.2d", secs); return len; } char * cdf_u16tos8(char *buf, size_t len, const uint16_t *p) { size_t i; for (i = 0; i < len && p[i]; i++) buf[i] = CAST(char, p[i]); buf[i] = '\0'; return buf; } #ifdef CDF_DEBUG void cdf_dump_header(const cdf_header_t *h) { size_t i; #define DUMP(a, b) (void)fprintf(stderr, "%40.40s = " a "\n", # b, h->h_ ## b) #define DUMP2(a, b) (void)fprintf(stderr, "%40.40s = " a " (" a ")\n", # b, \ h->h_ ## b, 1 << h->h_ ## b) DUMP("%d", revision); DUMP("%d", version); DUMP("%#x", byte_order); DUMP2("%d", sec_size_p2); DUMP2("%d", short_sec_size_p2); DUMP("%d", num_sectors_in_sat); DUMP("%d", secid_first_directory); DUMP("%d", min_size_standard_stream); DUMP("%d", secid_first_sector_in_short_sat); DUMP("%d", num_sectors_in_short_sat); DUMP("%d", secid_first_sector_in_master_sat); DUMP("%d", num_sectors_in_master_sat); for (i = 0; i < __arraycount(h->h_master_sat); i++) { if (h->h_master_sat[i] == CDF_SECID_FREE) break; (void)fprintf(stderr, "%35.35s[%.3" SIZE_T_FORMAT "u] = %d\n", "master_sat", i, h->h_master_sat[i]); } } void cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size) { size_t i, j, s = size / sizeof(cdf_secid_t); for (i = 0; i < sat->sat_len; i++) { (void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6" SIZE_T_FORMAT "u: ", prefix, i, i * s); for (j = 0; j < s; j++) { (void)fprintf(stderr, "%5d, ", CDF_TOLE4(sat->sat_tab[s * i + j])); if ((j + 1) % 10 == 0) (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT "u: ", i * s + j + 1); } (void)fprintf(stderr, "\n"); } } void cdf_dump(const void *v, size_t len) { size_t i, j; const unsigned char *p = v; char abuf[16]; (void)fprintf(stderr, "%.4x: ", 0); for (i = 0, j = 0; i < len; i++, p++) { (void)fprintf(stderr, "%.2x ", *p); abuf[j++] = isprint(*p) ? *p : '.'; if (j == 16) { j = 0; abuf[15] = '\0'; (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ", abuf, i + 1); } } (void)fprintf(stderr, "\n"); } void cdf_dump_stream(const cdf_stream_t *sst) { size_t ss = sst->sst_ss; cdf_dump(sst->sst_tab, ss * sst->sst_len); } void cdf_dump_dir(const cdf_info_t *info, const cdf_header_t *h, const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst, const cdf_dir_t *dir) { size_t i, j; cdf_directory_t *d; char name[__arraycount(d->d_name)]; cdf_stream_t scn; struct timeval ts; static const char *types[] = { "empty", "user storage", "user stream", "lockbytes", "property", "root storage" }; for (i = 0; i < dir->dir_len; i++) { char buf[26]; d = &dir->dir_tab[i]; for (j = 0; j < sizeof(name); j++) name[j] = (char)CDF_TOLE2(d->d_name[j]); (void)fprintf(stderr, "Directory %" SIZE_T_FORMAT "u: %s\n", i, name); if (d->d_type < __arraycount(types)) (void)fprintf(stderr, "Type: %s\n", types[d->d_type]); else (void)fprintf(stderr, "Type: %d\n", d->d_type); (void)fprintf(stderr, "Color: %s\n", d->d_color ? "black" : "red"); (void)fprintf(stderr, "Left child: %d\n", d->d_left_child); (void)fprintf(stderr, "Right child: %d\n", d->d_right_child); (void)fprintf(stderr, "Flags: %#x\n", d->d_flags); cdf_timestamp_to_timespec(&ts, d->d_created); (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec, buf)); cdf_timestamp_to_timespec(&ts, d->d_modified); (void)fprintf(stderr, "Modified %s", cdf_ctime(&ts.tv_sec, buf)); (void)fprintf(stderr, "Stream %d\n", d->d_stream_first_sector); (void)fprintf(stderr, "Size %d\n", d->d_size); switch (d->d_type) { case CDF_DIR_TYPE_USER_STORAGE: (void)fprintf(stderr, "Storage: %d\n", d->d_storage); break; case CDF_DIR_TYPE_USER_STREAM: if (sst == NULL) break; if (cdf_read_sector_chain(info, h, sat, ssat, sst, d->d_stream_first_sector, d->d_size, &scn) == -1) { warn("Can't read stream for %s at %d len %d", name, d->d_stream_first_sector, d->d_size); break; } cdf_dump_stream(&scn); efree(scn.sst_tab); break; default: break; } } } void cdf_dump_property_info(const cdf_property_info_t *info, size_t count) { cdf_timestamp_t tp; struct timeval ts; char buf[64]; size_t i, j; for (i = 0; i < count; i++) { cdf_print_property_name(buf, sizeof(buf), info[i].pi_id); (void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf); switch (info[i].pi_type) { case CDF_NULL: break; case CDF_SIGNED16: (void)fprintf(stderr, "signed 16 [%hd]\n", info[i].pi_s16); break; case CDF_SIGNED32: (void)fprintf(stderr, "signed 32 [%d]\n", info[i].pi_s32); break; case CDF_UNSIGNED32: (void)fprintf(stderr, "unsigned 32 [%u]\n", info[i].pi_u32); break; case CDF_FLOAT: (void)fprintf(stderr, "float [%g]\n", info[i].pi_f); break; case CDF_DOUBLE: (void)fprintf(stderr, "double [%g]\n", info[i].pi_d); break; case CDF_LENGTH32_STRING: (void)fprintf(stderr, "string %u [%.*s]\n", info[i].pi_str.s_len, info[i].pi_str.s_len, info[i].pi_str.s_buf); break; case CDF_LENGTH32_WSTRING: (void)fprintf(stderr, "string %u [", info[i].pi_str.s_len); for (j = 0; j < info[i].pi_str.s_len - 1; j++) (void)fputc(info[i].pi_str.s_buf[j << 1], stderr); (void)fprintf(stderr, "]\n"); break; case CDF_FILETIME: tp = info[i].pi_tp; if (tp < 1000000000000000LL) { cdf_print_elapsed_time(buf, sizeof(buf), tp); (void)fprintf(stderr, "timestamp %s\n", buf); } else { char tbuf[26]; cdf_timestamp_to_timespec(&ts, tp); (void)fprintf(stderr, "timestamp %s", cdf_ctime(&ts.tv_sec, tbuf)); } break; case CDF_CLIPBOARD: (void)fprintf(stderr, "CLIPBOARD %u\n", info[i].pi_u32); break; default: DPRINTF(("Don't know how to deal with %#x\n", info[i].pi_type)); break; } } } void cdf_dump_summary_info(const cdf_header_t *h, const cdf_stream_t *sst) { char buf[128]; cdf_summary_info_header_t ssi; cdf_property_info_t *info; size_t count; (void)&h; if (cdf_unpack_summary_info(sst, h, &ssi, &info, &count) == -1) return; (void)fprintf(stderr, "Endian: %#x\n", ssi.si_byte_order); (void)fprintf(stderr, "Os Version %d.%d\n", ssi.si_os_version & 0xff, ssi.si_os_version >> 8); (void)fprintf(stderr, "Os %d\n", ssi.si_os); cdf_print_classid(buf, sizeof(buf), &ssi.si_class); (void)fprintf(stderr, "Class %s\n", buf); (void)fprintf(stderr, "Count %d\n", ssi.si_count); cdf_dump_property_info(info, count); efree(info); } void cdf_dump_catalog(const cdf_header_t *h, const cdf_stream_t *sst) { cdf_catalog_t *cat; cdf_unpack_catalog(h, sst, &cat); const cdf_catalog_entry_t *ce = cat->cat_e; struct timespec ts; char tbuf[64], sbuf[256]; size_t i; printf("Catalog:\n"); for (i = 0; i < cat->cat_num; i++) { cdf_timestamp_to_timespec(&ts, ce[i].ce_timestamp); printf("\t%d %s %s", ce[i].ce_num, cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name), cdf_ctime(&ts.tv_sec, tbuf)); } efree(cat); } #endif #ifdef TEST int main(int argc, char *argv[]) { int i; cdf_header_t h; cdf_sat_t sat, ssat; cdf_stream_t sst, scn; cdf_dir_t dir; cdf_info_t info; const cdf_directory_t *root; #ifdef __linux__ #define getprogname() __progname extern char *__progname; #endif if (argc < 2) { (void)fprintf(stderr, "Usage: %s <filename>\n", getprogname()); return -1; } info.i_buf = NULL; info.i_len = 0; for (i = 1; i < argc; i++) { if ((info.i_fd = open(argv[1], O_RDONLY)) == -1) err(EXIT_FAILURE, "Cannot open `%s'", argv[1]); if (cdf_read_header(&info, &h) == -1) err(EXIT_FAILURE, "Cannot read header"); #ifdef CDF_DEBUG cdf_dump_header(&h); #endif if (cdf_read_sat(&info, &h, &sat) == -1) err(EXIT_FAILURE, "Cannot read sat"); #ifdef CDF_DEBUG cdf_dump_sat("SAT", &sat, CDF_SEC_SIZE(&h)); #endif if (cdf_read_ssat(&info, &h, &sat, &ssat) == -1) err(EXIT_FAILURE, "Cannot read ssat"); #ifdef CDF_DEBUG cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h)); #endif if (cdf_read_dir(&info, &h, &sat, &dir) == -1) err(EXIT_FAILURE, "Cannot read dir"); if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst, &root) == -1) err(EXIT_FAILURE, "Cannot read short stream"); #ifdef CDF_DEBUG cdf_dump_stream(&sst); #endif #ifdef CDF_DEBUG cdf_dump_dir(&info, &h, &sat, &ssat, &sst, &dir); #endif if (cdf_read_summary_info(&info, &h, &sat, &ssat, &sst, &dir, &scn) == -1) warn("Cannot read summary info"); #ifdef CDF_DEBUG else cdf_dump_summary_info(&h, &scn); #endif if (cdf_read_user_stream(&info, &h, &sat, &ssat, &sst, &dir, "Catalog", &scn) == -1) warn("Cannot read catalog"); #ifdef CDF_DEBUG else cdf_dump_catalog(&h, &scn); #endif (void)close(info.i_fd); } return 0; } #endif