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- /*-
- * 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 1.113 2018/10/15 16:29:16 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>
- #ifndef EFTYPE
- #define EFTYPE EINVAL
- #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 == (uint32_t)0x01020304)
- #define CDF_TOLE8(x) ((uint64_t)(NEED_SWAP ? _cdf_tole8(x) : (uint64_t)(x)))
- #define CDF_TOLE4(x) ((uint32_t)(NEED_SWAP ? _cdf_tole4(x) : (uint32_t)(x)))
- #define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole2(x) : (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));
- 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));
- return calloc(n, u);
- }
- /*
- * swap a short
- */
- static uint16_t
- _cdf_tole2(uint16_t sv)
- {
- uint16_t rv;
- uint8_t *s = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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 = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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 = (uint8_t *)(void *)&sv;
- uint8_t *d = (uint8_t *)(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((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((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((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((uint32_t)d->d_left_child);
- d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
- d->d_storage = CDF_TOLE4((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((uint64_t)d->d_created);
- d->d_modified = CDF_TOLE8((uint64_t)d->d_modified);
- d->d_stream_first_sector = CDF_TOLE4((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 = (const char *)sst->sst_tab;
- const char *e = ((const char *)p) + tail;
- size_t ss = cdf_check_stream(sst, h);
- /*LINTED*/(void)&line;
- if (e >= b && (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 = (size_t)off + len;
- if ((off_t)(off + len) != (off_t)siz)
- goto out;
- if (info->i_buf != NULL && info->i_len >= siz) {
- (void)memcpy(buf, &info->i_buf[off], len);
- return (ssize_t)len;
- }
- if (info->i_fd == -1)
- goto out;
- if (pread(info->i_fd, buf, len, off) != (ssize_t)len)
- return -1;
- return (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, (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 = CDF_SEC_POS(h, id);
- assert(ss == len);
- return cdf_read(info, (off_t)pos, ((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 = 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(((char *)buf) + offs,
- ((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]) != (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) != (ssize_t)ss) {
- DPRINTF(("Reading master sector %d", mid));
- goto out2;
- }
- for (k = 0; k < nsatpersec; k++, i++) {
- sec = CDF_TOLE4((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) != (ssize_t)ss) {
- DPRINTF(("Reading sector %d",
- CDF_TOLE4(msa[k])));
- goto out2;
- }
- }
- mid = CDF_TOLE4((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 = (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((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 (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 == (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)) != (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((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 == (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) != (ssize_t)ss) {
- DPRINTF(("Reading short sector chain %d", sid));
- goto out;
- }
- sid = CDF_TOLE4((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 == (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) != (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((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 == (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) !=
- (ssize_t)ss) {
- DPRINTF(("Reading short sat sector %d", sid));
- goto out1;
- }
- sid = CDF_TOLE4((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 (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:
- 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 ((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 == 0) {
- DPRINTF(("CDF_VECTOR with nelements == 0\n"));
- 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;
- }
- DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
- nelements));
- 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:
- 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 *, (const void *)
- ((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 = (int)(ts % 60);
- ts /= 60;
- mins = (int)(ts % 60);
- ts /= 60;
- hours = (int)(ts % 24);
- ts /= 24;
- days = (int)ts;
- if (days) {
- len += snprintf(buf + len, bufsiz - len, "%dd+", days);
- if ((size_t)len >= bufsiz)
- return len;
- }
- if (days || hours) {
- len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
- if ((size_t)len >= bufsiz)
- return len;
- }
- len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
- if ((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] = (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
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