svn commit: r267828 - in stable: 10/contrib/file 10/contrib/file/Magdir 8/contrib/file 9/contrib/file 9/contrib/file/Magdir
Xin LI
delphij at FreeBSD.org
Tue Jun 24 19:04:58 UTC 2014
Author: delphij
Date: Tue Jun 24 19:04:55 2014
New Revision: 267828
URL: http://svnweb.freebsd.org/changeset/base/267828
Log:
Fix multiple vulnerabilities in file(1) and libmagic(3).
Security: FreeBSD-SA-14:16.file
Approved by: so
Modified:
stable/8/contrib/file/ascmagic.c
stable/8/contrib/file/cdf.c
stable/8/contrib/file/cdf.h
stable/8/contrib/file/cdf_time.c
stable/8/contrib/file/file.h
stable/8/contrib/file/funcs.c
stable/8/contrib/file/readcdf.c
stable/8/contrib/file/softmagic.c
Changes in other areas also in this revision:
Modified:
stable/10/contrib/file/Magdir/commands
stable/10/contrib/file/ascmagic.c
stable/10/contrib/file/file.h
stable/10/contrib/file/funcs.c
stable/10/contrib/file/softmagic.c
stable/9/contrib/file/Magdir/commands
stable/9/contrib/file/ascmagic.c
stable/9/contrib/file/file.h
stable/9/contrib/file/funcs.c
stable/9/contrib/file/softmagic.c
Modified: stable/8/contrib/file/ascmagic.c
==============================================================================
--- stable/8/contrib/file/ascmagic.c Tue Jun 24 19:04:32 2014 (r267827)
+++ stable/8/contrib/file/ascmagic.c Tue Jun 24 19:04:55 2014 (r267828)
@@ -151,7 +151,7 @@ file_ascmagic_with_encoding(struct magic
if ((utf8_end = encode_utf8(utf8_buf, mlen, ubuf, ulen)) == NULL)
goto done;
if ((rv = file_softmagic(ms, utf8_buf, (size_t)(utf8_end - utf8_buf),
- TEXTTEST)) != 0)
+ 0, TEXTTEST)) != 0)
goto done;
else
rv = -1;
Modified: stable/8/contrib/file/cdf.c
==============================================================================
--- stable/8/contrib/file/cdf.c Tue Jun 24 19:04:32 2014 (r267827)
+++ stable/8/contrib/file/cdf.c Tue Jun 24 19:04:55 2014 (r267828)
@@ -24,15 +24,18 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Parse composite document files, the format used in Microsoft Office
- * document files before they switched to zipped xml.
+ * 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 1.30 2009/05/06 14:29:47 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -44,6 +47,9 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.30 2009
#include <string.h>
#include <time.h>
#include <ctype.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
#ifndef EFTYPE
#define EFTYPE EINVAL
@@ -51,10 +57,6 @@ FILE_RCSID("@(#)$File: cdf.c,v 1.30 2009
#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
@@ -68,19 +70,21 @@ static union {
#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))
+#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_GETUINT32(x, y) cdf_getuint32(x, y)
+
/*
* swap a short
*/
-uint16_t
-cdf_tole2(uint16_t sv)
+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;
+ uint8_t *s = (uint8_t *)(void *)&sv;
+ uint8_t *d = (uint8_t *)(void *)&rv;
d[0] = s[1];
d[1] = s[0];
return rv;
@@ -89,12 +93,12 @@ cdf_tole2(uint16_t sv)
/*
* swap an int
*/
-uint32_t
-cdf_tole4(uint32_t sv)
+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;
+ 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];
@@ -105,12 +109,12 @@ cdf_tole4(uint32_t sv)
/*
* swap a quad
*/
-uint64_t
-cdf_tole8(uint64_t sv)
+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;
+ 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];
@@ -122,11 +126,41 @@ cdf_tole8(uint64_t sv)
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)
{
@@ -145,15 +179,15 @@ cdf_swap_header(cdf_header_t *h)
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);
+ 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(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(h->h_master_sat[i]);
+ h->h_master_sat[i] = CDF_TOLE4((uint32_t)h->h_master_sat[i]);
}
void
@@ -186,15 +220,15 @@ 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_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(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_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);
}
@@ -228,14 +262,18 @@ cdf_unpack_dir(cdf_directory_t *d, char
}
static int
-cdf_check_stream_offset(const cdf_stream_t *sst, const void *p, size_t tail)
+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;
- if (e >= b && (size_t)(e - b) < sst->sst_dirlen * sst->sst_len)
+ (void)&line;
+ if (e >= b && (size_t)(e - b) < CDF_SEC_SIZE(h) * sst->sst_len)
return 0;
- DPRINTF((stderr, "offset begin %p end %p %zu >= %zu\n", b, e,
- (size_t)(e - b), sst->sst_dirlen * sst->sst_len));
+ 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),
+ CDF_SEC_SIZE(h) * sst->sst_len, CDF_SEC_SIZE(h), sst->sst_len));
errno = EFTYPE;
return -1;
}
@@ -278,7 +316,8 @@ cdf_read_header(const cdf_info_t *info,
cdf_unpack_header(h, buf);
cdf_swap_header(h);
if (h->h_magic != CDF_MAGIC) {
- DPRINTF(("Bad magic 0x%llx != 0x%llx\n",
+ DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%"
+ INT64_T_FORMAT "x\n",
(unsigned long long)h->h_magic,
(unsigned long long)CDF_MAGIC));
goto out;
@@ -303,18 +342,27 @@ 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);
+ 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)
{
- assert((size_t)CDF_SHORT_SEC_SIZE(h) == len);
+ size_t ss = CDF_SHORT_SEC_SIZE(h);
+ size_t pos = CDF_SHORT_SEC_POS(h, id);
+ assert(ss == len);
+ if (pos > CDF_SEC_SIZE(h) * sst->sst_len) {
+ DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
+ SIZE_T_FORMAT "u\n",
+ pos, CDF_SEC_SIZE(h) * sst->sst_len));
+ return -1;
+ }
(void)memcpy(((char *)buf) + offs,
- ((const char *)sst->sst_tab) + CDF_SHORT_SEC_POS(h, id), len);
+ ((const char *)sst->sst_tab) + pos, len);
return len;
}
@@ -334,17 +382,20 @@ cdf_read_sat(const cdf_info_t *info, cdf
break;
#define CDF_SEC_LIMIT (UINT32_MAX / (4 * ss))
- if (h->h_num_sectors_in_master_sat > CDF_SEC_LIMIT / nsatpersec ||
+ 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 %zu\n",
- h->h_num_sectors_in_master_sat, i));
+ 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 = %zu ss = %zu\n", sat->sat_len, ss));
- if ((sat->sat_tab = calloc(sat->sat_len, ss)) == NULL)
+ 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 *, calloc(sat->sat_len, ss)))
+ == NULL)
return -1;
for (i = 0; i < __arraycount(h->h_master_sat); i++) {
@@ -357,7 +408,7 @@ cdf_read_sat(const cdf_info_t *info, cdf
}
}
- if ((msa = calloc(1, ss)) == NULL)
+ if ((msa = CAST(cdf_secid_t *, calloc(1, ss))) == NULL)
goto out1;
mid = h->h_secid_first_sector_in_master_sat;
@@ -374,12 +425,12 @@ cdf_read_sat(const cdf_info_t *info, cdf
goto out2;
}
for (k = 0; k < nsatpersec; k++, i++) {
- sec = CDF_TOLE4(msa[k]);
+ sec = CDF_TOLE4((uint32_t)msa[k]);
if (sec < 0)
goto out;
if (i >= sat->sat_len) {
- DPRINTF(("Out of bounds reading MSA %u >= %u",
- i, sat->sat_len));
+ DPRINTF(("Out of bounds reading MSA %" SIZE_T_FORMAT
+ "u >= %" SIZE_T_FORMAT "u", i, sat->sat_len));
errno = EFTYPE;
goto out2;
}
@@ -390,7 +441,7 @@ cdf_read_sat(const cdf_info_t *info, cdf
goto out2;
}
}
- mid = CDF_TOLE4(msa[nsatpersec]);
+ mid = CDF_TOLE4((uint32_t)msa[nsatpersec]);
}
out:
sat->sat_len = i;
@@ -422,7 +473,7 @@ cdf_count_chain(const cdf_sat_t *sat, cd
errno = EFTYPE;
return (size_t)-1;
}
- sid = CDF_TOLE4(sat->sat_tab[sid]);
+ sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
}
DPRINTF(("\n"));
return i;
@@ -452,7 +503,8 @@ cdf_read_long_sector_chain(const cdf_inf
}
if (i >= scn->sst_len) {
DPRINTF(("Out of bounds reading long sector chain "
- "%u > %u\n", i, scn->sst_len));
+ "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
+ scn->sst_len));
errno = EFTYPE;
goto out;
}
@@ -465,7 +517,7 @@ cdf_read_long_sector_chain(const cdf_inf
DPRINTF(("Reading long sector chain %d", sid));
goto out;
}
- sid = CDF_TOLE4(sat->sat_tab[sid]);
+ sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
}
return 0;
out:
@@ -497,7 +549,8 @@ cdf_read_short_sector_chain(const cdf_he
}
if (i >= scn->sst_len) {
DPRINTF(("Out of bounds reading short sector chain "
- "%u > %u\n", i, scn->sst_len));
+ "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n",
+ i, scn->sst_len));
errno = EFTYPE;
goto out;
}
@@ -506,7 +559,7 @@ cdf_read_short_sector_chain(const cdf_he
DPRINTF(("Reading short sector chain %d", sid));
goto out;
}
- sid = CDF_TOLE4(ssat->sat_tab[sid]);
+ sid = CDF_TOLE4((uint32_t)ssat->sat_tab[sid]);
}
return 0;
out:
@@ -520,7 +573,7 @@ cdf_read_sector_chain(const cdf_info_t *
cdf_secid_t sid, size_t len, cdf_stream_t *scn)
{
- if (len < h->h_min_size_standard_stream)
+ 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
@@ -543,11 +596,12 @@ cdf_read_dir(const cdf_info_t *info, con
nd = ss / CDF_DIRECTORY_SIZE;
dir->dir_len = ns * nd;
- dir->dir_tab = calloc(dir->dir_len, sizeof(dir->dir_tab[0]));
+ dir->dir_tab = CAST(cdf_directory_t *,
+ calloc(dir->dir_len, sizeof(dir->dir_tab[0])));
if (dir->dir_tab == NULL)
return -1;
- if ((buf = malloc(ss)) == NULL) {
+ if ((buf = CAST(char *, malloc(ss))) == NULL) {
free(dir->dir_tab);
return -1;
}
@@ -566,7 +620,7 @@ cdf_read_dir(const cdf_info_t *info, con
cdf_unpack_dir(&dir->dir_tab[i * nd + j],
&buf[j * CDF_DIRECTORY_SIZE]);
}
- sid = CDF_TOLE4(sat->sat_tab[sid]);
+ sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
}
if (NEED_SWAP)
for (i = 0; i < dir->dir_len; i++)
@@ -592,7 +646,7 @@ cdf_read_ssat(const cdf_info_t *info, co
if (ssat->sat_len == (size_t)-1)
return -1;
- ssat->sat_tab = calloc(ssat->sat_len, ss);
+ ssat->sat_tab = CAST(cdf_secid_t *, calloc(ssat->sat_len, ss));
if (ssat->sat_tab == NULL)
return -1;
@@ -604,7 +658,8 @@ cdf_read_ssat(const cdf_info_t *info, co
}
if (i >= ssat->sat_len) {
DPRINTF(("Out of bounds reading short sector chain "
- "%u > %u\n", i, ssat->sat_len));
+ "%" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", i,
+ ssat->sat_len));
errno = EFTYPE;
goto out;
}
@@ -613,7 +668,7 @@ cdf_read_ssat(const cdf_info_t *info, co
DPRINTF(("Reading short sat sector %d", sid));
goto out;
}
- sid = CDF_TOLE4(sat->sat_tab[sid]);
+ sid = CDF_TOLE4((uint32_t)sat->sat_tab[sid]);
}
return 0;
out:
@@ -641,7 +696,7 @@ cdf_read_short_stream(const cdf_info_t *
if (d->d_stream_first_sector < 0)
goto out;
- return cdf_read_long_sector_chain(info, h, sat,
+ return cdf_read_long_sector_chain(info, h, sat,
d->d_stream_first_sector, d->d_size, scn);
out:
scn->sst_tab = NULL;
@@ -668,44 +723,45 @@ cdf_read_summary_info(const cdf_info_t *
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))
+ for (i = dir->dir_len; i > 0; i--)
+ if (dir->dir_tab[i - 1].d_type == CDF_DIR_TYPE_USER_STREAM &&
+ cdf_namecmp(name, dir->dir_tab[i - 1].d_name, sizeof(name))
== 0)
break;
- if (i == dir->dir_len) {
+ if (i == 0) {
DPRINTF(("Cannot find summary information section\n"));
- errno = EFTYPE;
+ errno = ESRCH;
return -1;
}
- d = &dir->dir_tab[i];
+ 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_read_property_info(const cdf_stream_t *sst, uint32_t offs,
- cdf_property_info_t **info, size_t *count, size_t *maxcount)
+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 uint32_t *p, *q, *e;
+ const uint8_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;
+ size_t i, o, o4, nelements, j;
cdf_property_info_t *inp;
if (offs > UINT32_MAX / 4) {
errno = EFTYPE;
goto out;
}
- shp = (const void *)((const char *)sst->sst_tab + offs);
- if (cdf_check_stream_offset(sst, shp, sizeof(*shp)) == -1)
+ shp = CAST(const cdf_section_header_t *, (const void *)
+ ((const char *)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);
#define CDF_SHLEN_LIMIT (UINT32_MAX / 8)
@@ -723,105 +779,137 @@ cdf_read_property_info(const cdf_stream_
if (*maxcount > CDF_PROP_LIMIT)
goto out;
*maxcount += sh.sh_properties;
- inp = realloc(*info, *maxcount * sizeof(*inp));
+ inp = CAST(cdf_property_info_t *,
+ realloc(*info, *maxcount * sizeof(*inp)));
} else {
*maxcount = sh.sh_properties;
- inp = malloc(*maxcount * sizeof(*inp));
+ inp = CAST(cdf_property_info_t *,
+ 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);
- if (cdf_check_stream_offset(sst, e, 0) == -1)
+ p = CAST(const uint8_t *, (const void *)
+ ((const char *)(const void *)sst->sst_tab +
+ offs + sizeof(sh)));
+ e = CAST(const uint8_t *, (const void *)
+ (((const char *)(const void *)shp) + sh.sh_len));
+ if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
goto out;
for (i = 0; i < sh.sh_properties; i++) {
- q = (const uint32_t *)((const char *)p +
- CDF_TOLE4(p[(i << 1) + 1])) - 2;
+ size_t ofs = CDF_GETUINT32(p, (i << 1) + 1);
+ q = (const uint8_t *)(const void *)
+ ((const char *)(const void *)p + ofs
+ - 2 * sizeof(uint32_t));
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));
+ inp[i].pi_id = CDF_GETUINT32(p, i << 1);
+ inp[i].pi_type = CDF_GETUINT32(q, 0);
+ DPRINTF(("%" SIZE_T_FORMAT "u) id=%x type=%x offs=0x%tx,0x%x\n",
+ i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
if (inp[i].pi_type & CDF_VECTOR) {
- nelements = CDF_TOLE4(q[1]);
+ nelements = CDF_GETUINT32(q, 1);
o = 2;
} else {
nelements = 1;
o = 1;
}
+ o4 = o * 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 (inp[i].pi_type & CDF_VECTOR)
goto unknown;
- (void)memcpy(&s16, &q[o], sizeof(s16));
+ (void)memcpy(&s16, &q[o4], 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);
+ (void)memcpy(&s32, &q[o4], sizeof(s32));
+ inp[i].pi_s32 = CDF_TOLE4((uint32_t)s32);
break;
case CDF_BOOL:
case CDF_UNSIGNED32:
if (inp[i].pi_type & CDF_VECTOR)
goto unknown;
- (void)memcpy(&u32, &q[o], sizeof(u32));
+ (void)memcpy(&u32, &q[o4], 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);
+ (void)memcpy(&s64, &q[o4], sizeof(s64));
+ inp[i].pi_s64 = CDF_TOLE8((uint64_t)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);
+ (void)memcpy(&u64, &q[o4], sizeof(u64));
+ inp[i].pi_u64 = CDF_TOLE8((uint64_t)u64);
+ break;
+ case CDF_FLOAT:
+ if (inp[i].pi_type & CDF_VECTOR)
+ goto unknown;
+ (void)memcpy(&u32, &q[o4], sizeof(u32));
+ u32 = CDF_TOLE4(u32);
+ memcpy(&inp[i].pi_f, &u32, sizeof(inp[i].pi_f));
+ break;
+ case CDF_DOUBLE:
+ if (inp[i].pi_type & CDF_VECTOR)
+ goto unknown;
+ (void)memcpy(&u64, &q[o4], sizeof(u64));
+ u64 = CDF_TOLE8((uint64_t)u64);
+ memcpy(&inp[i].pi_d, &u64, sizeof(inp[i].pi_d));
break;
case CDF_LENGTH32_STRING:
+ case CDF_LENGTH32_WSTRING:
if (nelements > 1) {
size_t nelem = inp - *info;
if (*maxcount > CDF_PROP_LIMIT
|| nelements > CDF_PROP_LIMIT)
goto out;
*maxcount += nelements;
- inp = realloc(*info, *maxcount * sizeof(*inp));
+ inp = CAST(cdf_property_info_t *,
+ realloc(*info, *maxcount * sizeof(*inp)));
if (inp == NULL)
goto out;
*info = inp;
inp = *info + nelem;
}
- DPRINTF(("nelements = %d\n", nelements));
+ DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
+ nelements));
for (j = 0; j < nelements; j++, i++) {
- uint32_t l = CDF_TOLE4(q[o]);
+ uint32_t l = CDF_GETUINT32(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,
+ inp[i].pi_str.s_buf = (const char *)
+ (const void *)(&q[o4 + sizeof(l)]);
+ DPRINTF(("l = %d, r = %" SIZE_T_FORMAT
+ "u, 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;
+ if (l & 1)
+ l++;
+ o += l >> 1;
+ if (q + o >= e)
+ goto out;
+ o4 = o * sizeof(uint32_t);
}
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);
+ (void)memcpy(&tp, &q[o4], sizeof(tp));
+ inp[i].pi_tp = CDF_TOLE8((uint64_t)tp);
break;
case CDF_CLIPBOARD:
if (inp[i].pi_type & CDF_VECTOR)
@@ -831,7 +919,7 @@ cdf_read_property_info(const cdf_stream_
unknown:
DPRINTF(("Don't know how to deal with %x\n",
inp[i].pi_type));
- goto out;
+ break;
}
}
return 0;
@@ -841,16 +929,18 @@ out:
}
int
-cdf_unpack_summary_info(const cdf_stream_t *sst, cdf_summary_info_header_t *ssi,
- cdf_property_info_t **info, size_t *count)
+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 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);
+ 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, si, sizeof(*si)) == -1 ||
- cdf_check_stream_offset(sst, sd, sizeof(*sd)) == -1)
+ 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);
@@ -867,9 +957,10 @@ cdf_unpack_summary_info(const cdf_stream
errno = EFTYPE;
return -1;
}
- if (cdf_read_property_info(sst, CDF_TOLE4(sd->sd_offset),
- info, count, &maxcount) == -1)
+ if (cdf_read_property_info(sst, h, CDF_TOLE4(sd->sd_offset),
+ info, count, &maxcount) == -1) {
return -1;
+ }
}
return 0;
}
@@ -926,32 +1017,32 @@ cdf_print_property_name(char *buf, size_
int
cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
{
- size_t len = 0;
+ int len = 0;
int days, hours, mins, secs;
ts /= CDF_TIME_PREC;
- secs = ts % 60;
+ secs = (int)(ts % 60);
ts /= 60;
- mins = ts % 60;
+ mins = (int)(ts % 60);
ts /= 60;
- hours = ts % 24;
+ hours = (int)(ts % 24);
ts /= 24;
- days = ts;
+ days = (int)ts;
if (days) {
len += snprintf(buf + len, bufsiz - len, "%dd+", days);
- if (len >= bufsiz)
+ if ((size_t)len >= bufsiz)
return len;
}
if (days || hours) {
len += snprintf(buf + len, bufsiz - len, "%.2d:", hours);
- if (len >= bufsiz)
+ if ((size_t)len >= bufsiz)
return len;
}
len += snprintf(buf + len, bufsiz - len, "%.2d:", mins);
- if (len >= bufsiz)
+ if ((size_t)len >= bufsiz)
return len;
len += snprintf(buf + len, bufsiz - len, "%.2d", secs);
@@ -994,13 +1085,14 @@ cdf_dump_sat(const char *prefix, const c
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);
+ (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%.6d: ",
- i * s + j + 1);
+ (void)fprintf(stderr, "\n%.6" SIZE_T_FORMAT
+ "u: ", i * s + j + 1);
}
(void)fprintf(stderr, "\n");
}
@@ -1019,7 +1111,8 @@ cdf_dump(void *v, size_t len)
if (j == 16) {
j = 0;
abuf[15] = '\0';
- (void)fprintf(stderr, "%s\n%.4x: ", abuf, i + 1);
+ (void)fprintf(stderr, "%s\n%.4" SIZE_T_FORMAT "x: ",
+ abuf, i + 1);
}
}
(void)fprintf(stderr, "\n");
@@ -1051,7 +1144,8 @@ cdf_dump_dir(const cdf_info_t *info, con
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);
+ (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
@@ -1062,9 +1156,9 @@ cdf_dump_dir(const cdf_info_t *info, con
(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));
+ (void)fprintf(stderr, "Created %s", cdf_ctime(&ts.tv_sec));
cdf_timestamp_to_timespec(&ts, d->d_modified);
- (void)fprintf(stderr, "Modified %s", ctime(&ts.tv_sec));
+ (void)fprintf(stderr, "Modified %s", cdf_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) {
@@ -1086,7 +1180,7 @@ cdf_dump_dir(const cdf_info_t *info, con
default:
break;
}
-
+
}
}
@@ -1096,12 +1190,14 @@ cdf_dump_property_info(const cdf_propert
cdf_timestamp_t tp;
struct timespec ts;
char buf[64];
- size_t i;
+ size_t i, j;
for (i = 0; i < count; i++) {
cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
- (void)fprintf(stderr, "%zu) %s: ", i, buf);
+ (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);
@@ -1114,11 +1210,26 @@ cdf_dump_property_info(const cdf_propert
(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) {
@@ -1127,7 +1238,7 @@ cdf_dump_property_info(const cdf_propert
} else {
cdf_timestamp_to_timespec(&ts, tp);
(void)fprintf(stderr, "timestamp %s",
- ctime(&ts.tv_sec));
+ cdf_ctime(&ts.tv_sec));
}
break;
case CDF_CLIPBOARD:
@@ -1151,7 +1262,7 @@ cdf_dump_summary_info(const cdf_header_t
size_t count;
(void)&h;
- if (cdf_unpack_summary_info(sst, &ssi, &info, &count) == -1)
+ 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,
@@ -1203,7 +1314,7 @@ main(int argc, char *argv[])
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));
+ cdf_dump_sat("SSAT", &ssat, CDF_SHORT_SEC_SIZE(&h));
#endif
if (cdf_read_dir(&info, &h, &sat, &dir) == -1)
Modified: stable/8/contrib/file/cdf.h
==============================================================================
--- stable/8/contrib/file/cdf.h Tue Jun 24 19:04:32 2014 (r267827)
+++ stable/8/contrib/file/cdf.h Tue Jun 24 19:04:55 2014 (r267828)
@@ -24,20 +24,35 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Info from: http://sc.openoffice.org/compdocfileformat.pdf
+ * 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".
*/
#ifndef _H_CDF_
#define _H_CDF_
+#ifdef WIN32
+#include <winsock2.h>
+#define timespec timeval
+#define tv_nsec tv_usec
+#endif
+#ifdef __DJGPP__
+#define timespec timeval
+#define tv_nsec tv_usec
+#endif
+
typedef int32_t cdf_secid_t;
#define CDF_LOOP_LIMIT 10000
#define CDF_SECID_NULL 0
#define CDF_SECID_FREE -1
-#define CDF_SECID_END_OF_CHAIN -2
-#define CDF_SECID_SECTOR_ALLOCATION_TABLE -3
+#define CDF_SECID_END_OF_CHAIN -2
+#define CDF_SECID_SECTOR_ALLOCATION_TABLE -3
#define CDF_SECID_MASTER_SECTOR_ALLOCATION_TABLE -4
typedef struct {
@@ -61,15 +76,15 @@ typedef struct {
cdf_secid_t h_master_sat[436/4];
} cdf_header_t;
-#define CDF_SEC_SIZE(h) (1 << (h)->h_sec_size_p2)
+#define CDF_SEC_SIZE(h) ((size_t)(1 << (h)->h_sec_size_p2))
#define CDF_SEC_POS(h, secid) (CDF_SEC_SIZE(h) + (secid) * CDF_SEC_SIZE(h))
-#define CDF_SHORT_SEC_SIZE(h) (1 << (h)->h_short_sec_size_p2)
+#define CDF_SHORT_SEC_SIZE(h) ((size_t)(1 << (h)->h_short_sec_size_p2))
#define CDF_SHORT_SEC_POS(h, secid) ((secid) * CDF_SHORT_SEC_SIZE(h))
-typedef int32_t cdf_dirid_t;
+typedef int32_t cdf_dirid_t;
#define CDF_DIRID_NULL -1
-typedef int64_t cdf_timestamp_t;
+typedef int64_t cdf_timestamp_t;
#define CDF_BASE_YEAR 1601
#define CDF_TIME_PREC 10000000
@@ -78,11 +93,11 @@ typedef struct {
uint16_t d_namelen;
uint8_t d_type;
#define CDF_DIR_TYPE_EMPTY 0
-#define CDF_DIR_TYPE_USER_STORAGE 1
-#define CDF_DIR_TYPE_USER_STREAM 2
-#define CDF_DIR_TYPE_LOCKBYTES 3
-#define CDF_DIR_TYPE_PROPERTY 4
-#define CDF_DIR_TYPE_ROOT_STORAGE 5
+#define CDF_DIR_TYPE_USER_STORAGE 1
+#define CDF_DIR_TYPE_USER_STREAM 2
+#define CDF_DIR_TYPE_LOCKBYTES 3
+#define CDF_DIR_TYPE_PROPERTY 4
+#define CDF_DIR_TYPE_ROOT_STORAGE 5
uint8_t d_color;
#define CDF_DIR_COLOR_READ 0
#define CDF_DIR_COLOR_BLACK 1
@@ -91,8 +106,8 @@ typedef struct {
cdf_dirid_t d_storage;
uint64_t d_storage_uuid[2];
uint32_t d_flags;
- cdf_timestamp_t d_created;
- cdf_timestamp_t d_modified;
+ cdf_timestamp_t d_created;
+ cdf_timestamp_t d_modified;
cdf_secid_t d_stream_first_sector;
uint32_t d_size;
uint32_t d_unused0;
@@ -154,7 +169,9 @@ typedef struct {
int32_t _pi_s32;
uint64_t _pi_u64;
int64_t _pi_s64;
- cdf_timestamp_t _pi_tp;
+ cdf_timestamp_t _pi_tp;
+ float _pi_f;
+ double _pi_d;
struct {
uint32_t s_len;
const char *s_buf;
@@ -166,6 +183,8 @@ typedef struct {
#define pi_s32 pi_val._pi_s32
#define pi_u16 pi_val._pi_u16
#define pi_s16 pi_val._pi_s16
+#define pi_f pi_val._pi_f
+#define pi_d pi_val._pi_d
#define pi_tp pi_val._pi_tp
#define pi_str pi_val._pi_str
} cdf_property_info_t;
@@ -174,13 +193,13 @@ typedef struct {
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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