diff options
Diffstat (limited to 'src/cdf.c')
| -rw-r--r-- | src/cdf.c | 1676 |
1 files changed, 1676 insertions, 0 deletions
diff --git a/src/cdf.c b/src/cdf.c new file mode 100644 index 0000000..36a6031 --- /dev/null +++ b/src/cdf.c @@ -0,0 +1,1676 @@ +/*- + * 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 1.123 2022/09/24 20:30:13 christos Exp $") +#endif + +#include <assert.h> +#ifdef CDF_DEBUG +#include <err.h> +#endif +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <time.h> +#include <ctype.h> +#include <limits.h> +#ifdef HAVE_BYTESWAP_H +#include <byteswap.h> +#endif +#ifdef HAVE_SYS_BSWAP_H +#include <sys/bswap.h> +#endif + +#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) cdf_malloc(__FILE__, __LINE__, (n)) +#define CDF_REALLOC(p, n) cdf_realloc(__FILE__, __LINE__, (p), (n)) +#define CDF_CALLOC(n, u) cdf_calloc(__FILE__, __LINE__, (n), (u)) + + +/*ARGSUSED*/ +static void * +cdf_malloc(const char *file __attribute__((__unused__)), + size_t line __attribute__((__unused__)), size_t n) +{ + DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n", + file, line, __func__, n)); + if (n == 0) + n++; + return malloc(n); +} + +/*ARGSUSED*/ +static void * +cdf_realloc(const char *file __attribute__((__unused__)), + size_t line __attribute__((__unused__)), void *p, size_t n) +{ + DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n", + file, line, __func__, n)); + return realloc(p, n); +} + +/*ARGSUSED*/ +static void * +cdf_calloc(const char *file __attribute__((__unused__)), + size_t line __attribute__((__unused__)), size_t n, size_t u) +{ + DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u %" + SIZE_T_FORMAT "u\n", file, line, __func__, n, u)); + if (n == 0) + n++; + return calloc(n, u); +} + +#if defined(HAVE_BYTESWAP_H) +# define _cdf_tole2(x) bswap_16(x) +# define _cdf_tole4(x) bswap_32(x) +# define _cdf_tole8(x) bswap_64(x) +#elif defined(HAVE_SYS_BSWAP_H) +# define _cdf_tole2(x) bswap16(x) +# define _cdf_tole4(x) bswap32(x) +# define _cdf_tole8(x) bswap64(x) +#else +/* + * 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; +} +#endif + +/* + * 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; + free(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) +{ + 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); + 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, off_t off, void *buf, size_t len) +{ + size_t siz = CAST(size_t, off + len); + + if (CAST(off_t, off + len) != CAST(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 (pread(info->i_fd, buf, len, off) != CAST(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(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; + free(msa); + return 0; +out3: + errno = EFTYPE; +out2: + free(msa); +out1: + free(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) { + free(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]); + free(buf); + return 0; +out: + free(dir->dir_tab); + free(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: + free(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; + + 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); + if (ofs < 2 * sizeof(uint32_t)) { + DPRINTF(("Offset too small %zu\n", ofs)); + return NULL; + } + + ofs -= 2 * sizeof(uint32_t); + if (ofs > CAST(size_t, e - p)) { + DPRINTF(("Offset too big %zu %td\n", ofs, e - p)); + return NULL; + } + + return CAST(const uint8_t *, cdf_offset(CAST(const void *, p), ofs)); +} + +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: + free(*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, (int)l, 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: + free(*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 timespec 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); + free(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 timespec 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); + free(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)); + } + free(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 |