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Editing: ChangeLog

2012-09-22  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff 4.0.3 released.

2012-09-20  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* Makefile.am: Update to Automake 1.12.4

2012-08-19  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* Makefile.in: Update to Automake 1.12.3

* libtiff{tiff.h, tif_print.c, tif_dirinfo.c, tif_dirread.c}: Add
	some TIFF/FX support in libtiff.  Add the tag definitions to
	tiff.h.  Add the related TIFF field definitions to tif_dirinfo.c,
	and also fixes an error in a comment.  Adds the photometric values
	to tif_print.c, and fixes a bug.  These changes are by Steve
	Underwood.

2012-08-13  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_write.c: Fix bug rewriting image tiles in a
	compressed file: http://trac.osgeo.org/gdal/ticket/4771

2012-08-02  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_dirread.c: report error in case of mismatch value 
	counts for tags (ie. DotRange).

2012-07-26  Tom Lane  <tgl@sss.pgh.pa.us>

* libtiff/{tiffio.h, tif_dirinfo.c, libtiff.def}: Add six new
 	functions TIFFFieldTag(), TIFFFieldName(), TIFFFieldDataType(),
	TIFFFieldPassCount(), TIFFFieldReadCount(), TIFFFieldWriteCount()
	as external accessors for the opaque type TIFFField.

* tools/tiffset.c: Make tiffset use the above functions instead of
	relying on library private headers.

2012-07-19  Tom Lane  <tgl@sss.pgh.pa.us>

* tools/tiff2pdf.c: Fix two places where t2p_error didn't get set
	after a malloc failure.  No crash risk AFAICS, but the program
	might not report exit code 1 as desired.  h/t mancha@mac.hush.com

2012-07-18  Tom Lane  <tgl@sss.pgh.pa.us>

* tools/tiff2pdf.c: Fail when TIFFSetDirectory() fails.  This
	prevents core dumps or perhaps even arbitrary code execution when
	processing a corrupt input file (CVE-2012-3401).

2012-07-06  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* test/raw_decode.c (main): Test fixes to work with IJG JPEG 7+.
	IJG JPEG 7+ uses a different upsampling algorithm which produces
	different numeric results.

* libtiff/tif_jpeg.c (JPEGPreDecode): Patch from Even Rouault to
	work with IJG JPEG 7+.

2012-07-04  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* test/raw_decode.c: Add changes so that test can run with build
	directory outside of source directory.

2012-07-02  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_jpeg.c: Fix handling when writing RGBA jpeg compressed
	imagery (http://trac.osgeo.org/gdal/ticket/4732)

2012-06-20  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_fax3.c: fix memory initialization of runs, only
	partly done.

* libtiff/tif_pixarlog.c: Make sure tbuf is large enough for one
	full "stride" past the end.

2012-06-19  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_packbits.c: fix read past end of data buffer.

2012-06-15  Frank Warmerdam  <warmerdam@google.com>

*  libtiff 4.0.2 released.

* tools/tif2pdf.c, tools/tifdump.c: avoid unitialized variable
	warnings with clang.

2012-06-15  Tom Lane  <tgl@sss.pgh.pa.us>

* tools/tiff2pdf.c: Defend against integer overflows while
	calculating required buffer sizes (CVE-2012-2113).

2012-06-12  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_print.c: Be careful about printing corrupt inknames.

* libtiff/tif_fax3.c: Ensure runs array is initialized to zeros.

2012-06-07  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_print.c: avoid pretty printing other fields when
	we don't have the proper amount and type of data or if the field
	is actually autodefined.

2012-06-05  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_tile.c, libtiff/tif_strip.c: Ensure that illegal
	ycbcrsubsampling values result in a runtime error, not just an
	assertion.

* tests/custom_dir.c: Add testing of EXIF and custom directory
	reading and writing.

* libtiff/tif_dir.c, libtiff/tiffio.h: Add TIFFCreateCustomDirectory()
	and TIFFCreateEXIFDirectory() functions.

* libtiff/tif_dir.c, tif_print.c : Remove FIELD_CUSTOM handling for
	PAGENUMBER, HALFTONEHINTS, and YCBCRSUBSAMPLING.  Implement DOTRANGE
	differently.  This is to avoid using special TIFFGetField/TIFFSetField 
	rules for these fields in non-image directories (like EXIF).

2012-06-04  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_jpeg.c: Remove code for fixing up h_sampling and v_sampling
	in JPEGPreDecode().  If a fixup will be done it needs to be done sooner
	in JPEGFixupTagsSubsampling() or else buffer sized may be wrong.

2012-06-01  Frank Warmerdam  <warmerdam@google.com>

* tools/tiffinfo.c: Do not try to read image data in EXIF directories.

* libtiff/tif_getimage.c: added support for _SEPARATED CMYK images.
	http://bugzilla.maptools.org/show_bug.cgi?id=2379

* libtiff/tif_unix.c: use strerror() to return a more specific error message
	on failed open.
	http://bugzilla.maptools.org/show_bug.cgi?id=2341

* libtiff/tif_jpeg.c: Fix JPEGDecodeRaw() bugs.
	http://bugzilla.maptools.org/show_bug.cgi?id=2386

* tests/decode_raw.c, tests/images/quad-tile.jpg.tiff: add limited support
	for testing jpeg in tiff image decoding including the "raw" decode interface.

2012-05-31  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_jpeg.c: avoid overrunning the end of the output buffer in
	JPEGDecodeRaw() - mostly likely to occur when there is confusion about
	sampling values.

* libtiff/tif_read.c: Make sure tif_rawdatasize is cleared when tif_rawdata is freed.

* libtiff/tif_getimage.c: Add support for greyscale+alpha c/o Jérémie Laval.
	http://bugzilla.maptools.org/show_bug.cgi?id=2398

2012-05-29  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_dir.c: avoid using specific set/get logic to process fields in custom directories,
	like EXIF directories.  This fixes problems like a tag "320" existing in a custom directory getting
	processed as if it were a colormap when it isn't really.  Damn the wide variety of argument formulations
	to get/set functions for different tags!

* libtiff/tif_dir.c: Ensure that we keep track of when tif_rawdata
	is a pointer into an mmap()ed file via TIFF_BUFFERMMAP flag.

2012-05-24  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_pixarlog.c: Allocate working buffer one word larger since we "forward
	accumulate" and overwrite the end by one word in at least some cases.

2012-05-23  Frank Warmerdam  <warmerdam@google.com>

* libtiff/tif_pixarlog.c: avoid accessing out of the lookup arrays for out of range inputs.

* tools/tiffinfo.c: initialize h=0 to avoid undefined variable for degenerate files.

* libtiff/tif_ojpeg.c: if OJPEGWriteHeader() fails once do not bother trying again on
	the same image.

* libtiff/tif_ojpeg.c: make things more resilient in the face of files without
	stripbytecounts or stripoffsets or where loading these fails.

* libtiff/tif_print.c: be careful about whether min/max values are singular
	or one per sample.

* libtiff/tif_print.c: Avoid confusion about count size when printing custom fields.
	May affect things like ISOSpeedRatings.

* libtiff/tif_dir.c: avoid one byte past end of ink names reading
	in some cases.

2012-05-19  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* man/TIFFGetField.3tiff: Correct the 'count' field type in the
	example for how to retreive the value of unsupported tags.

2012-03-30  Frank Warmerdam  <warmerdam@google.com>

* tif_getimage.c: Fix size overflow (zdi-can-1221,CVE-2012-1173)
	care of Tom Lane @ Red Hat.

2012-02-18  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff 4.0.1 released.

* Update automake used to 1.11.3.

* libtiff/tiffio.h: Use double-underbar syntax in GCC printf
	attribute specification to lessen the risk of accidental macro
	substitution.  Patch from Vincent Torri.

2012-01-31  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dir.c, libtiff/tif_dirread.c: Extra caution around
	assumption tag fetching is always successful.

* libtiff/tif_jpeg.c: Extra caution for case where sp is NULL.

2012-01-22  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* configure.ac: Add support for using library symbol versioning on
	ELF systems with the GNU linker.  Support is enabled via
	--enable-ld-version-script.  Disabled by default for now until
	there is a decision for how to deploy a libtiff with versioned
	symbols after libtiff 4.0.0 was already released.

2011-12-22  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff/tif_win32.c: Eliminate some minor 64-bit warnings in

tif_win32.c.  Patch by Edward Lam.

* configure.ac: Add libtiff private dependency on -llzma for
	pkg-config.  Patch by Mark Brand.
	Updated Automake to 1.11.2.

2011-12-21  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff 4.0.0 released.

2011-12-08  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dirread.c, libtiff/tif_read.c: more cautious checking
	of _TIFFFillStriles() results (#gdal 4372)

2011-12-07  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dirread.c: fixes to deal with invalid files where
	_TIFFFillStriles() fails, and we try to chop up strips (gdal #4372)

* libtiff/tif_dirread.c: fix error reporting when there is no 
	tag information struct and name (gdal #4373)

2011-10-22  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* Update GNU libtool to 2.4.2.

* tools/tiffsplit.c (tiffcp): TIFFGetField count field should be
	uint32 type for TIFFTAG_JPEGTABLES.  Patch by Christophe
	Deroulers.

2011-06-21  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/libtiff.def: Restore TIFFMergeFieldInfo.

2011-05-31  Jim Meyering  <meyering@redhat.com>

* libtiff/tif_dirread.c (TIFFFetchStripThing): Free "data" also
	upon failure to allocate "resizeddata".
	* tools/tiff2ps.c (PSDataBW): Zero buffer *after* checking for
	allocation failure, not before.
	* libtiff/tif_ojpeg.c: plug leaks on OJPEG read failure path
	* tools/rgb2ycbcr.c (cvtRaster): unchecked malloc
	* libtiff/tif_jpeg.c, tools/tiff2pdf.c, tools/tiff2ps.c: mark
	NULL-deref and possible overflow
	* tools/tiff2pdf.c: remove decl+set of set-but-not-used local, "written"
	* libtiff/tif_jpeg.c (JPEGInitializeLibJPEG): Remove declaration
	and set of otherwise unused local, data_is_empty.
	* libtiff/tif_jpeg.c (JPEGDecodeRaw) [JPEG_LIB_MK1_OR_12BIT]:
	Diagnose out-of-memory failure and return 0 rather than
	dereferencing NULL.

2011-05-24  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dirread.c: produce special error message for zero tag
	directories instead of error out on the malloc(0) failure.

2011-05-16  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dirinfo.c: Restore TIFFMergeFieldInfo() and
	related declarations as they are in active use by libraries
	such as libgeotiff, and work just fine.  (#2315)

2011-04-20  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_dirinfo.c,tiffio.h: Remove the obsolete 
	TIFFMergeFieldInfo/TIFFFindFieldInfo/TIFFFindFieldInfoByName API. 
	http://bugzilla.maptools.org/show_bug.cgi?id=2315

* libtiff/libtiff.def: add some missing (64bit) APIs.  
	http://bugzilla.maptools.org/show_bug.cgi?id=2316

2011-04-09  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff 4.0.0beta7 released.

2011-04-09  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* configure.ac: Should use AC_CANONICAL_HOST since host specifies
	the run-time target whereas target is used to specify the final
	output target if the package is a build tool (like a compiler),
	which libtiff is not.  Resolves libtiff bug 2307 "Use
	AC_CANONICAL_HOST macro".

2011-04-02  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* configure.ac: Support configuring TIFF_INT64_FORMAT and
	TIFF_UINT64_FORMAT appropriately for MinGW32.

* tools/tiffdump.c (ReadDirectory): MinGW32 needs to use WIN32
	printf conventions for 64-bit types because it uses the WIN32 CRT.

* libtiff/{tif_dumpmode.c,tif_luv.c,tif_lzw.c,tif_print.c,
	tif_read.c,tif_strip.c,tif_thunder.c}: MinGW32 needs to use WIN32
	printf conventions for 64-bit types because it uses the WIN32 CRT.

* tools/tiff2pdf.c (t2p_write_pdf_string): Fix printf syntax not
	understood by WIN32 CRT.

* libtiff/tif_ojpeg.c: Fixes to compile with MinGW32 GCC.

* tools/fax2ps.c (main): Use tmpfile() rather than mkstemp() since
	it is much more portable.  Tmpfile is included in ISO/IEC
	9899:1990 and the WIN32 CRT.

2011-03-26  Frank Warmerdam  <warmerdam@pobox.com>

* tools/tiffset.c: add -d and -sd switches to allow operation on
	a particular directory, not just the first (jef).

2011-03-21  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_thunder.c: Correct potential buffer overflow with 
	thunder encoded files with wrong bitspersample set.  The libtiff 
	development team would like to thank Marin Barbella and TippingPoint's
	Zero Day Initiative for reporting this vulnerability (ZDI-CAN-1004,
	CVE-2011-1167).
	http://bugzilla.maptools.org/show_bug.cgi?id=2300

2011-03-10  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_fax3.h: Fix to last change allowing zero length 
	runs at the start of a scanline - needed for legal cases.

2011-03-02  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_fax3.h: Protect against a fax VL(n) codeword commanding 
	a move left.  Without this, a malicious input file can generate an 
	indefinitely large series of runs without a0 ever reaching the right 
	margin, thus overrunning our buffer of run lengths.  Per CVE-2011-0192.
	This is a modified version of a patch proposed by Drew Yao of Apple 
	Product Security.  It adds an unexpected() report, and disallows the 
	equality case, since emitting a run without increasing a0 still allows 
	buffer overrun.

2011-02-23  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_jpeg.c: avoid divide by zero in degenerate case (#2296)

* tools/tiff2rgba.c: close source file on error to make leak 
	detection easier.

* libtiff/tif_getimage.c: avoid leaks if TIFFRGBAImageBegin() fails.

http://bugzilla.maptools.org/show_bug.cgi?id=2295

2011-02-22  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_lzma.c: Maintain tif_rawcc/tif_rawcp (CHUNKY_STRING_READ
	_SUPPORT)

2011-02-18  Frank Warmerdam  <warmerdam@pobox.com>

* configure.ac, configure: Added support for --enable-chunky-strip-read
	configure option to enable the experimental feature from a couple 
	months ago for reading big strips in chunks.

* configure.ac, tif_read.c, tif_readdir.c, tif_dir.h, tiffiop.h, 
	tif_write.c, tif_print.c, tif_jpeg.c, tif_dirwrite.c, tif_write.c:
	Implement optional support for deferring the load of strip/tile 
	offset and size tags for optimized scanning of directories.  Enabled
	with the --enable-defer-strile-load configure option (DEFER_STRILE_LOAD
	#define in tif_config.h).

2011-02-11  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_print.c: remove unused variable.

2011-02-09  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_win32.c: avoid error/warning buffer overrun problem
	with non-console (popup message) builds on win32.

http://bugzilla.maptools.org/show_bug.cgi?id=2293

2011-01-24  Olivier Paquet  <olivier.paquet@gmail.com>

* libtiff/{tif_dir.{h,c}, tif_dirinfo.c, tif_dirread.c, tif_dirwrite.c,
	tif_print.c, tiff.h, tiffiop.h} : Added support for
	TIFFTAG_SMINSAMPLEVALUE and TIFFTAG_SMAXSAMPLEVALUE to have different
	values for each sample. Presents the min/max of all samples by default for
	compatibility. TIFFSetField/TIFFGetField can be made to handle those tags
	as arrays by changing the new TIFFTAG_PERSAMPLE pseudo tag.
	http://www.asmail.be/msg0055458208.html

2011-01-06  Frank Warmerdam  <warmerdam@pobox.com>

* libtiff/tif_pixarlog.c: Note that tif_rawcc/tif_rawcp are not 
	maintained.

* libtiff/tif_zip.c: Maintain tif_rawcc/tif_rawcp when decoding 
	for CHUNKY_STRIP_READ_SUPPORT.

* libtiff/tif_jpeg.c: ensure that rawcc and rawcp are maintained
	during JPEGPreDecode and JPEGDecode calls.  
	* libtiff/tif_read.c: larger read ahead for CHUNKY_STRIP_READ_SUPPORT, 
	as compression formats like JPEG keep 16 lines interleaved in a sense 
	and might need to touch	quite a bit of data. 
	
	http://trac.osgeo.org/gdal/ticket/3894

2011-01-03  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_jpeg.c: Fix regressions with 2 and 3 band images
	caused by commit on 2010-12-14.  Submitted by e-mail from
	Even Rouault <even.rouault@mines-paris.org>

2010-12-31  Olivier Paquet  <olivier.paquet@gmail.com>

* libtiff/tif_dirwrite.c: Fixed writing of TIFFTAG_REFERENCEBLACKWHITE.
	http://bugzilla.maptools.org/show_bug.cgi?id=2266

2010-12-23  Andrey Kiselev  <dron@ak4719.spb.edu>

* tools/tiffcp.c, man/tiffcp.1: Added support for specifying the
	compression level parameter (preset) for Deflate and LZMA encoders,
	e.g "-c lzma:p1" or "-c zip:p9".

* libtiff/tif_lzma.c: Properly set the LZMA2 compression level
	(preset) in LZMAVSetField().

2010-12-18  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

* libtiff/Makefile.am (libtiff_la_SOURCES): Added tif_lzma.c to
	Makefile.

2010-12-14  Andrey Kiselev  <dron@ak4719.spb.edu>

* configure.ac, libtiff/{tif_codec.c, tif_config.h.in, tiff.h,
	tiffiop.h, tif_lzma.c}, tools/tiffcp.c, man/tiffcp.1: Implement a new
	TIFF compression scheme LZMA reserving a new value 34925 for
	Compression tag. As per
	bug http://bugzilla.maptools.org/show_bug.cgi?id=2221

2010-12-14  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_dirread.c: tolerate some cases where
	FIELD_COLORMAP is missing
	http://bugzilla.maptools.org/show_bug.cgi?id=2189

2010-12-14  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_read.c: change read_ahead to tmsize_t
	http://bugzilla.maptools.org/show_bug.cgi?id=2222

2010-12-14  Lee Howard <faxguy@howardsilvan.com>

* configure.ac, libtiff/Makefile.am: Build tif_win32.c on
	Windows except on Cygwin
	http://bugzilla.maptools.org/show_bug.cgi?id=2224

2010-12-14  Lee Howard <faxguy@howardsilvan.com>

* tools/gif2tiff.c: fix buffer overrun
	http://bugzilla.maptools.org/show_bug.cgi?id=2270

2010-12-14  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_jpeg.c: reduce usage of JCS_UNKNOWN in order
	to improve compatibility with various viewers
	submitted by e-mail from Dwight Kelly <dkelly@apago.com>

2010-12-13  Lee Howard <faxguy@howardsilvan.com>

* tools/fax2ps.c: be consistent with page-numbering
	http://bugzilla.maptools.org/show_bug.cgi?id=2225

2010-12-13  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_color.c: prevent crash in handling bad TIFFs
	resolves CVE-2010-2595
	http://bugzilla.maptools.org/show_bug.cgi?id=2208

2010-12-13  Lee Howard <faxguy@howardsilvan.com>

* tools/tiffcrop.c: new release by Richard Nolde
	http://bugzilla.maptools.org/show_bug.cgi?id=2004

2010-12-12  Lee Howard <faxguy@howardsilvan.com>

* tools/tiff2pdf.c: fix colors for images with RGBA 
	interleaved data
	http://bugzilla.maptools.org/show_bug.cgi?id=2250

2010-12-12  Lee Howard <faxguy@howardsilvan.com>

* libtiff/tif_dirread.c: fix for Zeiss LSM and Canon CR2 files
	http://bugzilla.maptools.org/show_bug.cgi?id=2164