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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
- */
- #include "file.h"
- #ifndef lint
- FILE_RCSID("@(#)$File: cdf.c,v 1.22 2009/04/30 21:03:26 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>
- #ifndef EFTYPE
- #define EFTYPE EINVAL
- #endif
- #include "cdf.h"
- #ifndef __arraycount
- #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
- #endif
- #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) (NEED_SWAP ? cdf_tole8(x) : (uint64_t)(x))
- #define CDF_TOLE4(x) (NEED_SWAP ? cdf_tole4(x) : (uint32_t)(x))
- #define CDF_TOLE2(x) (NEED_SWAP ? cdf_tole2(x) : (uint16_t)(x))
- /*
- * swap a short
- */
- 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
- */
- 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
- */
- 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;
- }
- #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)
- 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(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(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(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(d->d_left_child);
- d->d_right_child = CDF_TOLE4(d->d_right_child);
- d->d_storage = CDF_TOLE4(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(d->d_created);
- d->d_modified = CDF_TOLE8(d->d_modified);
- d->d_stream_first_sector = CDF_TOLE4(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);
- }
- 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) {
- errno = EINVAL;
- return -1;
- }
- 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)
- return -1;
- if (lseek(info->i_fd, off, SEEK_SET) == (off_t)-1)
- return -1;
- if (read(info->i_fd, buf, len) != (ssize_t)len)
- return -1;
- return (ssize_t)len;
- }
- 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 0x%llx != 0x%llx\n",
- (unsigned long long)h->h_magic,
- (unsigned long long)CDF_MAGIC));
- errno = EFTYPE;
- return -1;
- }
- return 0;
- }
- 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)
- {
- assert((size_t)CDF_SEC_SIZE(h) == len);
- return cdf_read(info, (off_t)CDF_SEC_POS(h, id),
- ((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)
- {
- assert((size_t)CDF_SHORT_SEC_SIZE(h) == len);
- (void)memcpy(((char *)buf) + offs,
- ((const char *)sst->sst_tab) + CDF_SHORT_SEC_POS(h, id), len);
- return len;
- }
- /*
- * 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;
- 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;
- sat->sat_len = h->h_num_sectors_in_master_sat + i;
- DPRINTF(("sat_len = %zu ss = %zu\n", sat->sat_len, ss));
- if ((sat->sat_tab = 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 = 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 (j >= CDF_LOOP_LIMIT) {
- DPRINTF(("Reading master sector loop limit"));
- errno = EFTYPE;
- goto out2;
- }
- 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++) {
- if (cdf_read_sector(info, sat->sat_tab, ss * i, ss, h,
- CDF_TOLE4(msa[k])) != (ssize_t)ss) {
- DPRINTF(("Reading sector %d",
- CDF_TOLE4(msa[k])));
- goto out2;
- }
- }
- mid = CDF_TOLE4(msa[nsatpersec]);
- }
- free(msa);
- return 0;
- 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);
- DPRINTF(("Chain:"));
- for (j = i = 0; sid >= 0; i++, j++) {
- DPRINTF((" %d", sid));
- if (j >= CDF_LOOP_LIMIT) {
- DPRINTF(("Counting chain loop limit"));
- errno = EFTYPE;
- return (size_t)-1;
- }
- if (sid > maxsector) {
- DPRINTF(("Sector %d > %d\n", sid, maxsector));
- errno = EFTYPE;
- return (size_t)-1;
- }
- sid = CDF_TOLE4(sat->sat_tab[sid]);
- }
- DPRINTF(("\n"));
- return i;
- }
- 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_len = cdf_count_chain(sat, sid, ss);
- scn->sst_dirlen = len;
- if (scn->sst_len == (size_t)-1)
- return -1;
- scn->sst_tab = calloc(scn->sst_len, ss);
- if (scn->sst_tab == NULL)
- return -1;
- for (j = i = 0; sid >= 0; i++, j++) {
- 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(sat->sat_tab[sid]);
- if (j >= CDF_LOOP_LIMIT) {
- DPRINTF(("Read long sector chain loop limit"));
- errno = EFTYPE;
- goto out;
- }
- }
- return 0;
- out:
- free(scn->sst_tab);
- return -1;
- }
- 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_len = cdf_count_chain(ssat, sid, CDF_SEC_SIZE(h));
- scn->sst_dirlen = len;
- if (scn->sst_len == (size_t)-1)
- return -1;
- scn->sst_tab = calloc(scn->sst_len, ss);
- if (scn->sst_tab == NULL)
- return -1;
- for (j = i = 0; sid >= 0; i++, j++) {
- if (j >= CDF_LOOP_LIMIT) {
- DPRINTF(("Read short sector chain loop limit"));
- errno = EFTYPE;
- 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(ssat->sat_tab[sid]);
- }
- return 0;
- out:
- free(scn->sst_tab);
- return -1;
- }
- 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)
- 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 = calloc(dir->dir_len, sizeof(dir->dir_tab[0]));
- if (dir->dir_tab == NULL)
- return -1;
- if ((buf = 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"));
- errno = EFTYPE;
- 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(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);
- 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_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
- if (ssat->sat_len == (size_t)-1)
- return -1;
- ssat->sat_tab = calloc(ssat->sat_len, ss);
- if (ssat->sat_tab == NULL)
- return -1;
- for (j = i = 0; sid >= 0; i++, j++) {
- if (j >= CDF_LOOP_LIMIT) {
- DPRINTF(("Read short sat sector loop limit"));
- errno = EFTYPE;
- 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 out;
- }
- sid = CDF_TOLE4(sat->sat_tab[sid]);
- }
- return 0;
- out:
- 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)
- {
- size_t i;
- const cdf_directory_t *d;
- 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) {
- scn->sst_tab = NULL;
- scn->sst_len = 0;
- return 0;
- }
- d = &dir->dir_tab[i];
- /* If the it is not there, just fake it; some docs don't have it */
- if (d->d_stream_first_sector < 0) {
- scn->sst_tab = NULL;
- scn->sst_len = 0;
- return 0;
- }
- return cdf_read_long_sector_chain(info, h, sat,
- d->d_stream_first_sector, d->d_size, scn);
- }
- 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_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)
- {
- size_t i;
- const cdf_directory_t *d;
- static const char name[] = "\05SummaryInformation";
- for (i = 0; i < dir->dir_len; i++)
- if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_USER_STREAM &&
- cdf_namecmp(name, dir->dir_tab[i].d_name, sizeof(name))
- == 0)
- break;
- if (i == dir->dir_len) {
- DPRINTF(("Cannot find summary information section\n"));
- errno = EFTYPE;
- return -1;
- }
- d = &dir->dir_tab[i];
- return cdf_read_sector_chain(info, h, sat, ssat, sst,
- d->d_stream_first_sector, d->d_size, scn);
- }
- int
- cdf_read_property_info(const cdf_stream_t *sst, 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 uint32_t *p, *q, *e;
- int16_t s16;
- int32_t s32;
- uint32_t u32;
- int64_t s64;
- uint64_t u64;
- cdf_timestamp_t tp;
- size_t i, o, nelements, j;
- cdf_property_info_t *inp;
- shp = (const void *)((const char *)sst->sst_tab + offs);
- sh.sh_len = CDF_TOLE4(shp->sh_len);
- sh.sh_properties = CDF_TOLE4(shp->sh_properties);
- DPRINTF(("section len: %d properties %d\n", sh.sh_len,
- sh.sh_properties));
- if (*maxcount) {
- *maxcount += sh.sh_properties;
- inp = realloc(*info, *maxcount * sizeof(*inp));
- } else {
- *maxcount = sh.sh_properties;
- inp = malloc(*maxcount * sizeof(*inp));
- }
- if (inp == NULL)
- goto out;
- *info = inp;
- inp += *count;
- *count += sh.sh_properties;
- p = (const void *)((const char *)sst->sst_tab + offs + sizeof(sh));
- e = (const void *)(((const char *)shp) + sh.sh_len);
- for (i = 0; i < sh.sh_properties; i++) {
- q = (const uint32_t *)((const char *)p +
- CDF_TOLE4(p[(i << 1) + 1])) - 2;
- if (q > e) {
- DPRINTF(("Ran of the end %p > %p\n", q, e));
- goto out;
- }
- inp[i].pi_id = CDF_TOLE4(p[i << 1]);
- inp[i].pi_type = CDF_TOLE4(q[0]);
- DPRINTF(("%d) id=%x type=%x offs=%x\n", i, inp[i].pi_id,
- inp[i].pi_type, (const char *)q - (const char *)p));
- if (inp[i].pi_type & CDF_VECTOR) {
- nelements = CDF_TOLE4(q[1]);
- o = 2;
- } else {
- nelements = 1;
- o = 1;
- }
- if (inp[i].pi_type & (CDF_ARRAY|CDF_BYREF|CDF_RESERVED))
- goto unknown;
- switch (inp[i].pi_type & CDF_TYPEMASK) {
- case CDF_EMPTY:
- break;
- case CDF_SIGNED16:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&s16, &q[o], sizeof(s16));
- inp[i].pi_s16 = CDF_TOLE2(s16);
- break;
- case CDF_SIGNED32:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&s32, &q[o], sizeof(s32));
- inp[i].pi_s32 = CDF_TOLE4(s32);
- break;
- case CDF_BOOL:
- case CDF_UNSIGNED32:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&u32, &q[o], sizeof(u32));
- inp[i].pi_u32 = CDF_TOLE4(u32);
- break;
- case CDF_SIGNED64:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&s64, &q[o], sizeof(s64));
- inp[i].pi_s64 = CDF_TOLE4(s64);
- break;
- case CDF_UNSIGNED64:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&u64, &q[o], sizeof(u64));
- inp[i].pi_u64 = CDF_TOLE4(u64);
- break;
- case CDF_LENGTH32_STRING:
- if (nelements > 1) {
- size_t nelem = inp - *info;
- *maxcount += nelements;
- inp = realloc(*info, *maxcount * sizeof(*inp));
- if (inp == NULL)
- goto out;
- *info = inp;
- inp = *info + nelem;
- }
- DPRINTF(("nelements = %d\n", nelements));
- for (j = 0; j < nelements; j++, i++) {
- uint32_t l = CDF_TOLE4(q[o]);
- inp[i].pi_str.s_len = l;
- inp[i].pi_str.s_buf = (const char *)(&q[o+1]);
- DPRINTF(("l = %d, r = %d, s = %s\n", l,
- CDF_ROUND(l, sizeof(l)),
- inp[i].pi_str.s_buf));
- l = 4 + CDF_ROUND(l, sizeof(l));
- o += l >> 2;
- }
- i--;
- break;
- case CDF_FILETIME:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- (void)memcpy(&tp, &q[o], sizeof(tp));
- inp[i].pi_tp = CDF_TOLE8(tp);
- break;
- case CDF_CLIPBOARD:
- if (inp[i].pi_type & CDF_VECTOR)
- goto unknown;
- break;
- default:
- unknown:
- DPRINTF(("Don't know how to deal with %x\n",
- inp[i].pi_type));
- goto out;
- }
- }
- return 0;
- out:
- free(*info);
- return -1;
- }
- int
- cdf_unpack_summary_info(const cdf_stream_t *sst, cdf_summary_info_header_t *ssi,
- cdf_property_info_t **info, size_t *count)
- {
- size_t i, maxcount;
- const cdf_summary_info_header_t *si = sst->sst_tab;
- const cdf_section_declaration_t *sd = (const void *)
- ((const char *)sst->sst_tab + CDF_SECTION_DECLARATION_OFFSET);
- 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_TOLE2(si->si_count);
- *count = 0;
- maxcount = 0;
- *info = NULL;
- for (i = 0; i < CDF_TOLE4(si->si_count); i++) {
- if (i >= CDF_LOOP_LIMIT) {
- DPRINTF(("Unpack summary info loop limit"));
- errno = EFTYPE;
- return -1;
- }
- if (cdf_read_property_info(sst, CDF_TOLE4(sd->sd_offset),
- info, count, &maxcount) == -1)
- return -1;
- }
- 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, "0x%x", p);
- }
- int
- cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
- {
- size_t len = 0;
- int days, hours, mins, secs;
- ts /= CDF_TIME_PREC;
- secs = ts % 60;
- ts /= 60;
- mins = ts % 60;
- ts /= 60;
- hours = ts % 24;
- ts /= 24;
- days = ts;
- if (days) {
- len += snprintf(buf + len, bufsiz - len, "%dd+", days);
- if (len >= bufsiz)
- return len;
- }
- if (days || hours) {
- len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
- if (len >= bufsiz)
- return len;
- }
- len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
- if (len >= bufsiz)
- return len;
- len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
- return len;
- }
- #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)
- DUMP("%d", revision);
- DUMP("%d", version);
- DUMP("0x%x", byte_order);
- DUMP("%d", sec_size_p2);
- DUMP("%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[%.3zu] = %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[%zu]:\n%.6d: ", 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%.6d: ",
- i * s + j + 1);
- }
- (void)fprintf(stderr, "\n");
- }
- }
- void
- cdf_dump(void *v, size_t len)
- {
- size_t i, j;
- 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%.4x: ", abuf, i + 1);
- }
- }
- (void)fprintf(stderr, "\n");
- }
- void
- cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
- {
- size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
- CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
- 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++) {
- 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 %zu: %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: 0x%x\n", d->d_flags);
- cdf_timestamp_to_timespec(&ts, d->d_created);
- (void)fprintf(stderr, "Created %s", ctime(&ts.tv_sec));
- cdf_timestamp_to_timespec(&ts, d->d_modified);
- (void)fprintf(stderr, "Modified %s", ctime(&ts.tv_sec));
- (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(h, &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;
- for (i = 0; i < count; i++) {
- cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
- (void)fprintf(stderr, "%zu) %s: ", i, buf);
- switch (info[i].pi_type) {
- 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_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_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 {
- cdf_timestamp_to_timespec(&ts, tp);
- (void)fprintf(stderr, "timestamp %s",
- ctime(&ts.tv_sec));
- }
- 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, &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);
- }
- #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;
- 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(1, "Cannot open `%s'", argv[1]);
- if (cdf_read_header(&info, &h) == -1)
- err(1, "Cannot read header");
- #ifdef CDF_DEBUG
- cdf_dump_header(&h);
- #endif
- if (cdf_read_sat(&info, &h, &sat) == -1)
- err(1, "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(1, "Cannot read ssat");
- #ifdef CDF_DEBUG
- cdf_dump_sat("SSAT", &h, &ssat, CDF_SHORT_SEC_SIZE(&h));
- #endif
- if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
- err(1, "Cannot read dir");
- if (cdf_read_short_stream(&info, &h, &sat, &dir, &sst) == -1)
- err(1, "Cannot read short stream");
- #ifdef CDF_DEBUG
- cdf_dump_stream(&h, &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)
- err(1, "Cannot read summary info");
- #ifdef CDF_DEBUG
- cdf_dump_summary_info(&h, &scn);
- #endif
- (void)close(info.i_fd);
- }
- return 0;
- }
- #endif
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