diff options
Diffstat (limited to 'source/l/libtiff')
| -rwxr-xr-x | source/l/libtiff/libtiff.SlackBuild | 41 | ||||
| -rw-r--r-- | source/l/libtiff/tiff-3.8.2.goo-sec.diff | 661 | ||||
| -rw-r--r-- | source/l/libtiff/tiff-3.8.2.tiffsplit.commandline.overflow.diff | 22 |
3 files changed, 31 insertions, 693 deletions
diff --git a/source/l/libtiff/libtiff.SlackBuild b/source/l/libtiff/libtiff.SlackBuild index 9eb3e5a4..d2e2556e 100755 --- a/source/l/libtiff/libtiff.SlackBuild +++ b/source/l/libtiff/libtiff.SlackBuild @@ -1,6 +1,6 @@ #!/bin/sh -# Copyright 2005-2009 Patrick J. Volkerding, Sebeka, Minnesota, USA +# Copyright 2005-2010 Patrick J. Volkerding, Sebeka, Minnesota, USA # All rights reserved. # # Redistribution and use of this script, with or without modification, is @@ -20,9 +20,20 @@ # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -VERSION=3.8.2 -ARCH=${ARCH:-x86_64} -BUILD=3 +VERSION=${VERSION:-$(echo tiff-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)} +BUILD=1 + +# Automatically determine the architecture we're building on: +if [ -z "$ARCH" ]; then + case "$( uname -m )" in + i?86) export ARCH=i486 ;; + arm*) export ARCH=arm ;; + # Unless $ARCH is already set, use uname -m for all other archs: + *) export ARCH=$( uname -m ) ;; + esac +fi + +NUMJOBS=${NUMJOBS:-" -j7 "} if [ "$ARCH" = "i386" ]; then SLKCFLAGS="-O2 -march=i386 -mcpu=i686" @@ -36,6 +47,9 @@ elif [ "$ARCH" = "s390" ]; then elif [ "$ARCH" = "x86_64" ]; then SLKCFLAGS="-O2 -fPIC" LIBDIRSUFFIX="64" +else + SLKCFLAGS="-O2" + LIBDIRSUFFIX="" fi CWD=$(pwd) @@ -46,7 +60,7 @@ rm -rf $PKG mkdir -p $PKG cd $TMP rm -rf tiff-$VERSION -tar xjvf $CWD/tiff-$VERSION.tar.bz2 +tar xvf $CWD/tiff-$VERSION.tar.?z* || exit 1 cd tiff-$VERSION chown -R root:root . @@ -56,19 +70,18 @@ find . \ \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \ -exec chmod 644 {} \; -zcat $CWD/tiff-3.8.2.goo-sec.diff.gz | patch -p1 --verbose || exit 1 -zcat $CWD/tiff-3.8.2.tiffsplit.commandline.overflow.diff.gz | patch -p1 --verbose || exit 1 - CFLAGS="$SLKCFLAGS" \ ./configure \ --prefix=/usr \ --libdir=/usr/lib${LIBDIRSUFFIX} \ + --mandir=/usr/man \ --program-prefix="" \ --program-suffix="" \ - $ARCH-slackware-linux + --build=$ARCH-slackware-linux -make -j3 || exit 1 +make $NUMJOBS || make || exit 1 make install DESTDIR=$PKG || exit 1 +( cd man ; make install-man DESTDIR=$PKG || exit 1 ) || exit 1 rm -r $PKG/usr/share ( cd $PKG find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null @@ -81,6 +94,14 @@ cp -a \ COPYRIGHT README RELEASE-DATE TODO VERSION \ $PKG/usr/doc/libtiff-$VERSION +# If there's a ChangeLog, installing at least part of the recent history +# is useful, but don't let it get totally out of control: +if [ -r ChangeLog ]; then + DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION) + cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog + touch -r ChangeLog $DOCSDIR/ChangeLog +fi + mv $PKG/usr/local/man $PKG/usr rmdir $PKG/usr/local diff --git a/source/l/libtiff/tiff-3.8.2.goo-sec.diff b/source/l/libtiff/tiff-3.8.2.goo-sec.diff deleted file mode 100644 index a5f9e6d5..00000000 --- a/source/l/libtiff/tiff-3.8.2.goo-sec.diff +++ /dev/null @@ -1,661 +0,0 @@ ---- ./libtiff/tif_read.c.orig 2005-12-21 06:33:56.000000000 -0600 -+++ ./libtiff/tif_read.c 2006-08-17 22:02:40.000000000 -0500 -@@ -31,6 +31,8 @@ - #include "tiffiop.h" - #include <stdio.h> - -+#include <limits.h> -+ - int TIFFFillStrip(TIFF*, tstrip_t); - int TIFFFillTile(TIFF*, ttile_t); - static int TIFFStartStrip(TIFF*, tstrip_t); -@@ -272,7 +274,13 @@ - if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) - _TIFFfree(tif->tif_rawdata); - tif->tif_flags &= ~TIFF_MYBUFFER; -- if ( td->td_stripoffset[strip] + bytecount > tif->tif_size) { -+ /* -+ * This sanity check could potentially overflow, causing an OOB read. -+ * verify that offset + bytecount is > offset. -+ * -- taviso@google.com 14 Jun 2006 -+ */ -+ if ( td->td_stripoffset[strip] + bytecount > tif->tif_size || -+ bytecount > (UINT_MAX - td->td_stripoffset[strip])) { - /* - * This error message might seem strange, but it's - * what would happen if a read were done instead. -@@ -470,7 +478,13 @@ - if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) - _TIFFfree(tif->tif_rawdata); - tif->tif_flags &= ~TIFF_MYBUFFER; -- if ( td->td_stripoffset[tile] + bytecount > tif->tif_size) { -+ /* -+ * We must check this calculation doesnt overflow, potentially -+ * causing an OOB read. -+ * -- taviso@google.com 15 Jun 2006 -+ */ -+ if (td->td_stripoffset[tile] + bytecount > tif->tif_size || -+ bytecount > (UINT_MAX - td->td_stripoffset[tile])) { - tif->tif_curtile = NOTILE; - return (0); - } ---- ./libtiff/tif_next.c.orig 2005-12-21 06:33:56.000000000 -0600 -+++ ./libtiff/tif_next.c 2006-08-17 22:02:40.000000000 -0500 -@@ -105,11 +105,16 @@ - * as codes of the form <color><npixels> - * until we've filled the scanline. - */ -+ /* -+ * Ensure the run does not exceed the scanline -+ * bounds, potentially resulting in a security issue. -+ * -- taviso@google.com 14 Jun 2006. -+ */ - op = row; - for (;;) { - grey = (n>>6) & 0x3; - n &= 0x3f; -- while (n-- > 0) -+ while (n-- > 0 && npixels < imagewidth) - SETPIXEL(op, grey); - if (npixels >= (int) imagewidth) - break; ---- ./libtiff/tif_jpeg.c.orig 2006-03-21 10:42:50.000000000 -0600 -+++ ./libtiff/tif_jpeg.c 2006-08-17 22:02:40.000000000 -0500 -@@ -722,15 +722,31 @@ - segment_width = TIFFhowmany(segment_width, sp->h_sampling); - segment_height = TIFFhowmany(segment_height, sp->v_sampling); - } -- if (sp->cinfo.d.image_width != segment_width || -- sp->cinfo.d.image_height != segment_height) { -+ if (sp->cinfo.d.image_width < segment_width || -+ sp->cinfo.d.image_height < segment_height) { - TIFFWarningExt(tif->tif_clientdata, module, - "Improper JPEG strip/tile size, expected %dx%d, got %dx%d", - segment_width, - segment_height, - sp->cinfo.d.image_width, - sp->cinfo.d.image_height); -+ } -+ -+ if (sp->cinfo.d.image_width > segment_width || -+ sp->cinfo.d.image_height > segment_height) { -+ /* -+ * This case could be dangerous, if the strip or tile size has been -+ * reported as less than the amount of data jpeg will return, some -+ * potential security issues arise. Catch this case and error out. -+ * -- taviso@google.com 14 Jun 2006 -+ */ -+ TIFFErrorExt(tif->tif_clientdata, module, -+ "JPEG strip/tile size exceeds expected dimensions," -+ "expected %dx%d, got %dx%d", segment_width, segment_height, -+ sp->cinfo.d.image_width, sp->cinfo.d.image_height); -+ return (0); - } -+ - if (sp->cinfo.d.num_components != - (td->td_planarconfig == PLANARCONFIG_CONTIG ? - td->td_samplesperpixel : 1)) { -@@ -761,6 +777,22 @@ - sp->cinfo.d.comp_info[0].v_samp_factor, - sp->h_sampling, sp->v_sampling); - -+ /* -+ * There are potential security issues here for decoders that -+ * have already allocated buffers based on the expected sampling -+ * factors. Lets check the sampling factors dont exceed what -+ * we were expecting. -+ * -- taviso@google.com 14 June 2006 -+ */ -+ if (sp->cinfo.d.comp_info[0].h_samp_factor > sp->h_sampling || -+ sp->cinfo.d.comp_info[0].v_samp_factor > sp->v_sampling) { -+ TIFFErrorExt(tif->tif_clientdata, module, -+ "Cannot honour JPEG sampling factors that" -+ " exceed those specified."); -+ return (0); -+ } -+ -+ - /* - * XXX: Files written by the Intergraph software - * has different sampling factors stored in the -@@ -1521,15 +1553,18 @@ - { - JPEGState *sp = JState(tif); - -- assert(sp != 0); -+ /* assert(sp != 0); */ - - tif->tif_tagmethods.vgetfield = sp->vgetparent; - tif->tif_tagmethods.vsetfield = sp->vsetparent; - -- if( sp->cinfo_initialized ) -- TIFFjpeg_destroy(sp); /* release libjpeg resources */ -- if (sp->jpegtables) /* tag value */ -- _TIFFfree(sp->jpegtables); -+ if (sp != NULL) { -+ if( sp->cinfo_initialized ) -+ TIFFjpeg_destroy(sp); /* release libjpeg resources */ -+ if (sp->jpegtables) /* tag value */ -+ _TIFFfree(sp->jpegtables); -+ } -+ - _TIFFfree(tif->tif_data); /* release local state */ - tif->tif_data = NULL; - -@@ -1541,6 +1576,7 @@ - { - JPEGState* sp = JState(tif); - TIFFDirectory* td = &tif->tif_dir; -+ const TIFFFieldInfo* fip; - uint32 v32; - - assert(sp != NULL); -@@ -1606,7 +1642,13 @@ - default: - return (*sp->vsetparent)(tif, tag, ap); - } -- TIFFSetFieldBit(tif, _TIFFFieldWithTag(tif, tag)->field_bit); -+ -+ if ((fip = _TIFFFieldWithTag(tif, tag))) { -+ TIFFSetFieldBit(tif, fip->field_bit); -+ } else { -+ return (0); -+ } -+ - tif->tif_flags |= TIFF_DIRTYDIRECT; - return (1); - } -@@ -1726,7 +1768,11 @@ - { - JPEGState* sp = JState(tif); - -- assert(sp != NULL); -+ /* assert(sp != NULL); */ -+ if (sp == NULL) { -+ TIFFWarningExt(tif->tif_clientdata, "JPEGPrintDir", "Unknown JPEGState"); -+ return; -+ } - - (void) flags; - if (TIFFFieldSet(tif,FIELD_JPEGTABLES)) ---- ./libtiff/tif_dir.c.orig 2006-03-21 10:42:50.000000000 -0600 -+++ ./libtiff/tif_dir.c 2006-08-17 22:02:40.000000000 -0500 -@@ -122,6 +122,7 @@ - { - static const char module[] = "_TIFFVSetField"; - -+ const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); - TIFFDirectory* td = &tif->tif_dir; - int status = 1; - uint32 v32, i, v; -@@ -195,10 +196,12 @@ - break; - case TIFFTAG_ORIENTATION: - v = va_arg(ap, uint32); -+ const TIFFFieldInfo* fip; - if (v < ORIENTATION_TOPLEFT || ORIENTATION_LEFTBOT < v) { -+ fip = _TIFFFieldWithTag(tif, tag); - TIFFWarningExt(tif->tif_clientdata, tif->tif_name, - "Bad value %lu for \"%s\" tag ignored", -- v, _TIFFFieldWithTag(tif, tag)->field_name); -+ v, fip ? fip->field_name : "Unknown"); - } else - td->td_orientation = (uint16) v; - break; -@@ -387,11 +390,15 @@ - * happens, for example, when tiffcp is used to convert between - * compression schemes and codec-specific tags are blindly copied. - */ -+ /* -+ * better not dereference fip if it is NULL. -+ * -- taviso@google.com 15 Jun 2006 -+ */ - if(fip == NULL || fip->field_bit != FIELD_CUSTOM) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Invalid %stag \"%s\" (not supported by codec)", - tif->tif_name, isPseudoTag(tag) ? "pseudo-" : "", -- _TIFFFieldWithTag(tif, tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - status = 0; - break; - } -@@ -468,7 +475,7 @@ - if (fip->field_type == TIFF_ASCII) - _TIFFsetString((char **)&tv->value, va_arg(ap, char *)); - else { -- tv->value = _TIFFmalloc(tv_size * tv->count); -+ tv->value = _TIFFCheckMalloc(tif, tv_size, tv->count, "Tag Value"); - if (!tv->value) { - status = 0; - goto end; -@@ -563,7 +570,7 @@ - } - } - if (status) { -- TIFFSetFieldBit(tif, _TIFFFieldWithTag(tif, tag)->field_bit); -+ TIFFSetFieldBit(tif, fip->field_bit); - tif->tif_flags |= TIFF_DIRTYDIRECT; - } - -@@ -572,12 +579,12 @@ - return (status); - badvalue: - TIFFErrorExt(tif->tif_clientdata, module, "%s: Bad value %d for \"%s\"", -- tif->tif_name, v, _TIFFFieldWithTag(tif, tag)->field_name); -+ tif->tif_name, v, fip ? fip->field_name : "Unknown"); - va_end(ap); - return (0); - badvalue32: - TIFFErrorExt(tif->tif_clientdata, module, "%s: Bad value %ld for \"%s\"", -- tif->tif_name, v32, _TIFFFieldWithTag(tif, tag)->field_name); -+ tif->tif_name, v32, fip ? fip->field_name : "Unknown"); - va_end(ap); - return (0); - } -@@ -813,12 +820,16 @@ - * If the client tries to get a tag that is not valid - * for the image's codec then we'll arrive here. - */ -+ /* -+ * dont dereference fip if it's NULL. -+ * -- taviso@google.com 15 Jun 2006 -+ */ - if( fip == NULL || fip->field_bit != FIELD_CUSTOM ) - { - TIFFErrorExt(tif->tif_clientdata, "_TIFFVGetField", - "%s: Invalid %stag \"%s\" (not supported by codec)", - tif->tif_name, isPseudoTag(tag) ? "pseudo-" : "", -- _TIFFFieldWithTag(tif, tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - ret_val = 0; - break; - } ---- ./libtiff/tif_pixarlog.c.orig 2006-03-21 10:42:50.000000000 -0600 -+++ ./libtiff/tif_pixarlog.c 2006-08-17 22:02:40.000000000 -0500 -@@ -768,7 +768,19 @@ - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabArrayOfShort(up, nsamples); - -- for (i = 0; i < nsamples; i += llen, up += llen) { -+ /* -+ * if llen is not an exact multiple of nsamples, the decode operation -+ * may overflow the output buffer, so truncate it enough to prevent that -+ * but still salvage as much data as possible. -+ * -- taviso@google.com 14th June 2006 -+ */ -+ if (nsamples % llen) -+ TIFFWarningExt(tif->tif_clientdata, module, -+ "%s: stride %lu is not a multiple of sample count, " -+ "%lu, data truncated.", tif->tif_name, llen, nsamples); -+ -+ -+ for (i = 0; i < nsamples - (nsamples % llen); i += llen, up += llen) { - switch (sp->user_datafmt) { - case PIXARLOGDATAFMT_FLOAT: - horizontalAccumulateF(up, llen, sp->stride, ---- ./libtiff/tif_dirread.c.orig 2006-03-21 10:42:50.000000000 -0600 -+++ ./libtiff/tif_dirread.c 2006-08-17 22:02:40.000000000 -0500 -@@ -29,6 +29,9 @@ - * - * Directory Read Support Routines. - */ -+ -+#include <limits.h> -+ - #include "tiffiop.h" - - #define IGNORE 0 /* tag placeholder used below */ -@@ -81,6 +84,7 @@ - uint16 dircount; - toff_t nextdiroff; - int diroutoforderwarning = 0; -+ int compressionknown = 0; - toff_t* new_dirlist; - - tif->tif_diroff = tif->tif_nextdiroff; -@@ -147,13 +151,20 @@ - } else { - toff_t off = tif->tif_diroff; - -- if (off + sizeof (uint16) > tif->tif_size) { -- TIFFErrorExt(tif->tif_clientdata, module, -- "%s: Can not read TIFF directory count", -- tif->tif_name); -- return (0); -+ /* -+ * Check for integer overflow when validating the dir_off, otherwise -+ * a very high offset may cause an OOB read and crash the client. -+ * -- taviso@google.com, 14 Jun 2006. -+ */ -+ if (off + sizeof (uint16) > tif->tif_size || -+ off > (UINT_MAX - sizeof(uint16))) { -+ TIFFErrorExt(tif->tif_clientdata, module, -+ "%s: Can not read TIFF directory count", -+ tif->tif_name); -+ return (0); - } else -- _TIFFmemcpy(&dircount, tif->tif_base + off, sizeof (uint16)); -+ _TIFFmemcpy(&dircount, tif->tif_base + off, -+ sizeof (uint16)); - off += sizeof (uint16); - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabShort(&dircount); -@@ -254,6 +265,7 @@ - while (fix < tif->tif_nfields && - tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag) - fix++; -+ - if (fix >= tif->tif_nfields || - tif->tif_fieldinfo[fix]->field_tag != dp->tdir_tag) { - -@@ -264,17 +276,23 @@ - dp->tdir_tag, - dp->tdir_tag, - dp->tdir_type); -- -- TIFFMergeFieldInfo(tif, -- _TIFFCreateAnonFieldInfo(tif, -- dp->tdir_tag, -- (TIFFDataType) dp->tdir_type), -- 1 ); -+ /* -+ * creating anonymous fields prior to knowing the compression -+ * algorithm (ie, when the field info has been merged) could cause -+ * crashes with pathological directories. -+ * -- taviso@google.com 15 Jun 2006 -+ */ -+ if (compressionknown) -+ TIFFMergeFieldInfo(tif, _TIFFCreateAnonFieldInfo(tif, dp->tdir_tag, -+ (TIFFDataType) dp->tdir_type), 1 ); -+ else goto ignore; -+ - fix = 0; - while (fix < tif->tif_nfields && - tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag) - fix++; - } -+ - /* - * Null out old tags that we ignore. - */ -@@ -326,6 +344,7 @@ - dp->tdir_type, dp->tdir_offset); - if (!TIFFSetField(tif, dp->tdir_tag, (uint16)v)) - goto bad; -+ else compressionknown++; - break; - /* XXX: workaround for broken TIFFs */ - } else if (dp->tdir_type == TIFF_LONG) { -@@ -540,6 +559,7 @@ - * Attempt to deal with a missing StripByteCounts tag. - */ - if (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) { -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, TIFFTAG_STRIPBYTECOUNTS); - /* - * Some manufacturers violate the spec by not giving - * the size of the strips. In this case, assume there -@@ -556,7 +576,7 @@ - "%s: TIFF directory is missing required " - "\"%s\" field, calculating from imagelength", - tif->tif_name, -- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name); -+ fip ? fip->field_name : "Unknown"); - if (EstimateStripByteCounts(tif, dir, dircount) < 0) - goto bad; - /* -@@ -580,6 +600,7 @@ - } else if (td->td_nstrips == 1 - && td->td_stripoffset[0] != 0 - && BYTECOUNTLOOKSBAD) { -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, TIFFTAG_STRIPBYTECOUNTS); - /* - * XXX: Plexus (and others) sometimes give a value of zero for - * a tag when they don't know what the correct value is! Try -@@ -589,13 +610,14 @@ - TIFFWarningExt(tif->tif_clientdata, module, - "%s: Bogus \"%s\" field, ignoring and calculating from imagelength", - tif->tif_name, -- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name); -+ fip ? fip->field_name : "Unknown"); - if(EstimateStripByteCounts(tif, dir, dircount) < 0) - goto bad; - } else if (td->td_planarconfig == PLANARCONFIG_CONTIG - && td->td_nstrips > 2 - && td->td_compression == COMPRESSION_NONE - && td->td_stripbytecount[0] != td->td_stripbytecount[1]) { -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, TIFFTAG_STRIPBYTECOUNTS); - /* - * XXX: Some vendors fill StripByteCount array with absolutely - * wrong values (it can be equal to StripOffset array, for -@@ -604,7 +626,7 @@ - TIFFWarningExt(tif->tif_clientdata, module, - "%s: Wrong \"%s\" field, ignoring and calculating from imagelength", - tif->tif_name, -- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name); -+ fip ? fip->field_name : "Unknown"); - if (EstimateStripByteCounts(tif, dir, dircount) < 0) - goto bad; - } -@@ -870,7 +892,13 @@ - - register TIFFDirEntry *dp; - register TIFFDirectory *td = &tif->tif_dir; -- uint16 i; -+ -+ /* i is used to iterate over td->td_nstrips, so must be -+ * at least the same width. -+ * -- taviso@google.com 15 Jun 2006 -+ */ -+ -+ uint32 i; - - if (td->td_stripbytecount) - _TIFFfree(td->td_stripbytecount); -@@ -947,16 +975,18 @@ - static int - CheckDirCount(TIFF* tif, TIFFDirEntry* dir, uint32 count) - { -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dir->tdir_tag); -+ - if (count > dir->tdir_count) { - TIFFWarningExt(tif->tif_clientdata, tif->tif_name, - "incorrect count for field \"%s\" (%lu, expecting %lu); tag ignored", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name, -+ fip ? fip->field_name : "Unknown", - dir->tdir_count, count); - return (0); - } else if (count < dir->tdir_count) { - TIFFWarningExt(tif->tif_clientdata, tif->tif_name, - "incorrect count for field \"%s\" (%lu, expecting %lu); tag trimmed", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name, -+ fip ? fip->field_name : "Unknown", - dir->tdir_count, count); - return (1); - } -@@ -970,6 +1000,7 @@ - TIFFFetchData(TIFF* tif, TIFFDirEntry* dir, char* cp) - { - int w = TIFFDataWidth((TIFFDataType) dir->tdir_type); -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - tsize_t cc = dir->tdir_count * w; - - /* Check for overflow. */ -@@ -1013,7 +1044,7 @@ - bad: - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Error fetching data for field \"%s\"", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - return (tsize_t) 0; - } - -@@ -1039,10 +1070,12 @@ - static int - cvtRational(TIFF* tif, TIFFDirEntry* dir, uint32 num, uint32 denom, float* rv) - { -+ const TIFFFieldInfo* fip; - if (denom == 0) { -+ fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%s: Rational with zero denominator (num = %lu)", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name, num); -+ fip ? fip->field_name : "Unknown", num); - return (0); - } else { - if (dir->tdir_type == TIFF_RATIONAL) -@@ -1159,6 +1192,20 @@ - static int - TIFFFetchShortPair(TIFF* tif, TIFFDirEntry* dir) - { -+ /* -+ * Prevent overflowing the v stack arrays below by performing a sanity -+ * check on tdir_count, this should never be greater than two. -+ * -- taviso@google.com 14 Jun 2006. -+ */ -+ if (dir->tdir_count > 2) { -+ const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dir->tdir_tag); -+ TIFFWarningExt(tif->tif_clientdata, tif->tif_name, -+ "unexpected count for field \"%s\", %lu, expected 2; ignored.", -+ fip ? fip->field_name : "Unknown", -+ dir->tdir_count); -+ return 0; -+ } -+ - switch (dir->tdir_type) { - case TIFF_BYTE: - case TIFF_SBYTE: -@@ -1329,14 +1376,15 @@ - case TIFF_DOUBLE: - return (TIFFFetchDoubleArray(tif, dir, (double*) v)); - default: -+ { const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - /* TIFF_NOTYPE */ - /* TIFF_ASCII */ - /* TIFF_UNDEFINED */ - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "cannot read TIFF_ANY type %d for field \"%s\"", - dir->tdir_type, -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name); -- return (0); -+ fip ? fip->field_name : "Unknown"); -+ return (0); } - } - return (1); - } -@@ -1351,6 +1399,9 @@ - int ok = 0; - const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dp->tdir_tag); - -+ if (fip == NULL) { -+ return (0); -+ } - if (dp->tdir_count > 1) { /* array of values */ - char* cp = NULL; - -@@ -1493,6 +1544,7 @@ - TIFFFetchPerSampleShorts(TIFF* tif, TIFFDirEntry* dir, uint16* pl) - { - uint16 samples = tif->tif_dir.td_samplesperpixel; -+ const TIFFFieldInfo* fip; - int status = 0; - - if (CheckDirCount(tif, dir, (uint32) samples)) { -@@ -1510,9 +1562,10 @@ - - for (i = 1; i < check_count; i++) - if (v[i] != v[0]) { -+ fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Cannot handle different per-sample values for field \"%s\"", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - goto bad; - } - *pl = v[0]; -@@ -1534,6 +1587,7 @@ - TIFFFetchPerSampleLongs(TIFF* tif, TIFFDirEntry* dir, uint32* pl) - { - uint16 samples = tif->tif_dir.td_samplesperpixel; -+ const TIFFFieldInfo* fip; - int status = 0; - - if (CheckDirCount(tif, dir, (uint32) samples)) { -@@ -1551,9 +1605,10 @@ - check_count = samples; - for (i = 1; i < check_count; i++) - if (v[i] != v[0]) { -+ fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Cannot handle different per-sample values for field \"%s\"", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - goto bad; - } - *pl = v[0]; -@@ -1574,6 +1629,7 @@ - TIFFFetchPerSampleAnys(TIFF* tif, TIFFDirEntry* dir, double* pl) - { - uint16 samples = tif->tif_dir.td_samplesperpixel; -+ const TIFFFieldInfo* fip; - int status = 0; - - if (CheckDirCount(tif, dir, (uint32) samples)) { -@@ -1591,9 +1647,10 @@ - - for (i = 1; i < check_count; i++) - if (v[i] != v[0]) { -+ fip = _TIFFFieldWithTag(tif, dir->tdir_tag); - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Cannot handle different per-sample values for field \"%s\"", -- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name); -+ fip ? fip->field_name : "Unknown"); - goto bad; - } - *pl = v[0]; ---- ./libtiff/tif_dirinfo.c.orig 2006-02-07 07:51:03.000000000 -0600 -+++ ./libtiff/tif_dirinfo.c 2006-08-17 22:02:40.000000000 -0500 -@@ -775,7 +775,8 @@ - TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag", - "Internal error, unknown tag 0x%x", - (unsigned int) tag); -- assert(fip != NULL); -+ /* assert(fip != NULL); */ -+ - /*NOTREACHED*/ - } - return (fip); -@@ -789,7 +790,8 @@ - if (!fip) { - TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName", - "Internal error, unknown tag %s", field_name); -- assert(fip != NULL); -+ /* assert(fip != NULL); */ -+ - /*NOTREACHED*/ - } - return (fip); ---- ./libtiff/tif_fax3.c.orig 2006-03-21 10:42:50.000000000 -0600 -+++ ./libtiff/tif_fax3.c 2006-08-17 22:02:40.000000000 -0500 -@@ -1136,6 +1136,7 @@ - Fax3VSetField(TIFF* tif, ttag_t tag, va_list ap) - { - Fax3BaseState* sp = Fax3State(tif); -+ const TIFFFieldInfo* fip; - - assert(sp != 0); - assert(sp->vsetparent != 0); -@@ -1181,7 +1182,13 @@ - default: - return (*sp->vsetparent)(tif, tag, ap); - } -- TIFFSetFieldBit(tif, _TIFFFieldWithTag(tif, tag)->field_bit); -+ -+ if ((fip = _TIFFFieldWithTag(tif, tag))) { -+ TIFFSetFieldBit(tif, fip->field_bit); -+ } else { -+ return (0); -+ } -+ - tif->tif_flags |= TIFF_DIRTYDIRECT; - return (1); - } diff --git a/source/l/libtiff/tiff-3.8.2.tiffsplit.commandline.overflow.diff b/source/l/libtiff/tiff-3.8.2.tiffsplit.commandline.overflow.diff deleted file mode 100644 index feb693fa..00000000 --- a/source/l/libtiff/tiff-3.8.2.tiffsplit.commandline.overflow.diff +++ /dev/null @@ -1,22 +0,0 @@ ---- ./tools/tiffsplit.c.orig 2005-12-07 03:48:33.000000000 -0600 -+++ ./tools/tiffsplit.c 2006-08-17 22:03:36.000000000 -0500 -@@ -60,14 +60,16 @@ - fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n"); - return (-3); - } -- if (argc > 2) -- strcpy(fname, argv[2]); -+ if (argc > 2) { -+ strncpy(fname, argv[2], 1024); -+ fname[1024] = '\0'; -+ } - in = TIFFOpen(argv[1], "r"); - if (in != NULL) { - do { - char path[1024+1]; - newfilename(); -- strcpy(path, fname); -+ strncpy(path, fname, 1020); - strcat(path, ".tif"); - out = TIFFOpen(path, TIFFIsBigEndian(in)?"wb":"wl"); - if (out == NULL) |