gnu: libtiff: Fix several bugs related to improper codec usage [security fixes].
This commit applies the patch to the libtiff package, not the grafting replacement. * gnu/packages/patches/libtiff-tiffgetfield-bugs.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/image.scm (libtiff)[source]: Use it.
This commit is contained in:
Leo Famulari
parent
f61d39ac0b
commit
14c7790f1a
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@ -743,6 +743,7 @@ dist_patch_DATA = \
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%D%/packages/patches/libssh2-fix-build-failure-with-gcrypt.patch \
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%D%/packages/patches/libtar-CVE-2013-4420.patch \
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%D%/packages/patches/libtheora-config-guess.patch \
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%D%/packages/patches/libtiff-tiffgetfield-bugs.patch \
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%D%/packages/patches/libtirpc-CVE-2017-8779.patch \
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%D%/packages/patches/libtorrent-rasterbar-boost-compat.patch \
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%D%/packages/patches/libtool-skip-tests2.patch \
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@ -341,6 +341,7 @@ extracting icontainer icon files.")
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(method url-fetch)
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(uri (string-append "ftp://download.osgeo.org/libtiff/tiff-"
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version ".tar.gz"))
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(patches (search-patches "libtiff-tiffgetfield-bugs.patch"))
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(sha256
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(base32
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"0419mh6kkhz5fkyl77gv0in8x4d2jpdpfs147y8mj86rrjlabmsr"))))
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@ -0,0 +1,201 @@
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Fix several bugs in libtiff related to use of TIFFGetField():
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http://bugzilla.maptools.org/show_bug.cgi?id=2580
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8128
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7554
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5318
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10095
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Patch copied from upstream CVS. 3rd-party Git reference:
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https://github.com/vadz/libtiff/commit/4d4fa0b68ae9ae038959ee4f69ebe288ec892f06
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2017-06-01 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_dirinfo.c, tif_dirread.c: add _TIFFCheckFieldIsValidForCodec(),
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and use it in TIFFReadDirectory() so as to ignore fields whose tag is a
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codec-specified tag but this codec is not enabled. This avoids TIFFGetField()
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to behave differently depending on whether the codec is enabled or not, and
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thus can avoid stack based buffer overflows in a number of TIFF utilities
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such as tiffsplit, tiffcmp, thumbnail, etc.
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Patch derived from 0063-Handle-properly-CODEC-specific-tags.patch
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(http://bugzilla.maptools.org/show_bug.cgi?id=2580) by Raphaël Hertzog.
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Fixes:
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http://bugzilla.maptools.org/show_bug.cgi?id=2580
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http://bugzilla.maptools.org/show_bug.cgi?id=2693
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http://bugzilla.maptools.org/show_bug.cgi?id=2625 (CVE-2016-10095)
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http://bugzilla.maptools.org/show_bug.cgi?id=2564 (CVE-2015-7554)
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http://bugzilla.maptools.org/show_bug.cgi?id=2561 (CVE-2016-5318)
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http://bugzilla.maptools.org/show_bug.cgi?id=2499 (CVE-2014-8128)
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http://bugzilla.maptools.org/show_bug.cgi?id=2441
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http://bugzilla.maptools.org/show_bug.cgi?id=2433
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Index: libtiff/libtiff/tif_dirread.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
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retrieving revision 1.208
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retrieving revision 1.209
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diff -u -r1.208 -r1.209
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--- libtiff/libtiff/tif_dirread.c 27 Apr 2017 15:46:22 -0000 1.208
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+++ libtiff/libtiff/tif_dirread.c 1 Jun 2017 12:44:04 -0000 1.209
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@@ -1,4 +1,4 @@
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-/* $Id: tif_dirread.c,v 1.208 2017-04-27 15:46:22 erouault Exp $ */
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+/* $Id: tif_dirread.c,v 1.209 2017-06-01 12:44:04 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -3580,6 +3580,10 @@
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goto bad;
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dp->tdir_tag=IGNORE;
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break;
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+ default:
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+ if( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )
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+ dp->tdir_tag=IGNORE;
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+ break;
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}
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}
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}
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Index: libtiff/libtiff/tif_dirinfo.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirinfo.c,v
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retrieving revision 1.126
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retrieving revision 1.127
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diff -u -r1.126 -r1.127
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--- libtiff/libtiff/tif_dirinfo.c 18 Nov 2016 02:52:13 -0000 1.126
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+++ libtiff/libtiff/tif_dirinfo.c 1 Jun 2017 12:44:04 -0000 1.127
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@@ -1,4 +1,4 @@
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-/* $Id: tif_dirinfo.c,v 1.126 2016-11-18 02:52:13 bfriesen Exp $ */
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+/* $Id: tif_dirinfo.c,v 1.127 2017-06-01 12:44:04 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -956,6 +956,109 @@
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return 0;
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}
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+int
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+_TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
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+{
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+ /* Filter out non-codec specific tags */
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+ switch (tag) {
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+ /* Shared tags */
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+ case TIFFTAG_PREDICTOR:
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+ /* JPEG tags */
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+ case TIFFTAG_JPEGTABLES:
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+ /* OJPEG tags */
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+ case TIFFTAG_JPEGIFOFFSET:
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+ case TIFFTAG_JPEGIFBYTECOUNT:
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+ case TIFFTAG_JPEGQTABLES:
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+ case TIFFTAG_JPEGDCTABLES:
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+ case TIFFTAG_JPEGACTABLES:
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+ case TIFFTAG_JPEGPROC:
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+ case TIFFTAG_JPEGRESTARTINTERVAL:
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+ /* CCITT* */
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+ case TIFFTAG_BADFAXLINES:
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+ case TIFFTAG_CLEANFAXDATA:
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+ case TIFFTAG_CONSECUTIVEBADFAXLINES:
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+ case TIFFTAG_GROUP3OPTIONS:
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+ case TIFFTAG_GROUP4OPTIONS:
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+ break;
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+ default:
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+ return 1;
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+ }
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+ /* Check if codec specific tags are allowed for the current
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+ * compression scheme (codec) */
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+ switch (tif->tif_dir.td_compression) {
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+ case COMPRESSION_LZW:
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+ if (tag == TIFFTAG_PREDICTOR)
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+ return 1;
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+ break;
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+ case COMPRESSION_PACKBITS:
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+ /* No codec-specific tags */
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+ break;
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+ case COMPRESSION_THUNDERSCAN:
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+ /* No codec-specific tags */
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+ break;
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+ case COMPRESSION_NEXT:
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+ /* No codec-specific tags */
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+ break;
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+ case COMPRESSION_JPEG:
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+ if (tag == TIFFTAG_JPEGTABLES)
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+ return 1;
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+ break;
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+ case COMPRESSION_OJPEG:
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+ switch (tag) {
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+ case TIFFTAG_JPEGIFOFFSET:
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+ case TIFFTAG_JPEGIFBYTECOUNT:
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+ case TIFFTAG_JPEGQTABLES:
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+ case TIFFTAG_JPEGDCTABLES:
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+ case TIFFTAG_JPEGACTABLES:
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+ case TIFFTAG_JPEGPROC:
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+ case TIFFTAG_JPEGRESTARTINTERVAL:
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+ return 1;
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+ }
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+ break;
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+ case COMPRESSION_CCITTRLE:
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+ case COMPRESSION_CCITTRLEW:
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+ case COMPRESSION_CCITTFAX3:
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+ case COMPRESSION_CCITTFAX4:
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+ switch (tag) {
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+ case TIFFTAG_BADFAXLINES:
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+ case TIFFTAG_CLEANFAXDATA:
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+ case TIFFTAG_CONSECUTIVEBADFAXLINES:
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+ return 1;
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+ case TIFFTAG_GROUP3OPTIONS:
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+ if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX3)
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+ return 1;
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+ break;
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+ case TIFFTAG_GROUP4OPTIONS:
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+ if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX4)
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+ return 1;
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+ break;
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+ }
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+ break;
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+ case COMPRESSION_JBIG:
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+ /* No codec-specific tags */
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+ break;
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+ case COMPRESSION_DEFLATE:
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+ case COMPRESSION_ADOBE_DEFLATE:
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+ if (tag == TIFFTAG_PREDICTOR)
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+ return 1;
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+ break;
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+ case COMPRESSION_PIXARLOG:
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+ if (tag == TIFFTAG_PREDICTOR)
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+ return 1;
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+ break;
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+ case COMPRESSION_SGILOG:
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+ case COMPRESSION_SGILOG24:
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+ /* No codec-specific tags */
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+ break;
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+ case COMPRESSION_LZMA:
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+ if (tag == TIFFTAG_PREDICTOR)
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+ return 1;
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+ break;
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+
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+ }
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+ return 0;
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+}
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+
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/* vim: set ts=8 sts=8 sw=8 noet: */
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/*
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Index: libtiff/libtiff/tif_dir.h
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.h,v
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retrieving revision 1.54
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retrieving revision 1.55
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diff -u -r1.54 -r1.55
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--- libtiff/libtiff/tif_dir.h 18 Feb 2011 20:53:05 -0000 1.54
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+++ libtiff/libtiff/tif_dir.h 1 Jun 2017 12:44:04 -0000 1.55
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@@ -1,4 +1,4 @@
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-/* $Id: tif_dir.h,v 1.54 2011-02-18 20:53:05 fwarmerdam Exp $ */
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+/* $Id: tif_dir.h,v 1.55 2017-06-01 12:44:04 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -291,6 +291,7 @@
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extern int _TIFFMergeFields(TIFF*, const TIFFField[], uint32);
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extern const TIFFField* _TIFFFindOrRegisterField(TIFF *, uint32, TIFFDataType);
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extern TIFFField* _TIFFCreateAnonField(TIFF *, uint32, TIFFDataType);
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+extern int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag);
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#if defined(__cplusplus)
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}
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