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-rw-r--r--src/cdf.c1676
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