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84 lines
3.3 KiB
84 lines
3.3 KiB
From 6173a57d39e04d68b139f8c1aa499a24dbe74ba1 Mon Sep 17 00:00:00 2001
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From: Even Rouault <even.rouault@spatialys.com>
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Date: Fri, 30 Jun 2017 17:29:44 +0000
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Subject: [PATCH] * libtiff/tif_dirwrite.c: in
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TIFFWriteDirectoryTagCheckedXXXX() functions associated with LONG8/SLONG8
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data type, replace assertion that the file is BigTIFF, by a non-fatal error.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2712 Reported by team
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OWL337
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---
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ChangeLog | 8 ++++++++
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libtiff/tif_dirwrite.c | 20 ++++++++++++++++----
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2 files changed, 24 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 6f085e09..77a64385 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,13 @@
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2017-06-30 Even Rouault <even.rouault at spatialys.com>
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+ * libtiff/tif_dirwrite.c: in TIFFWriteDirectoryTagCheckedXXXX()
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+ functions associated with LONG8/SLONG8 data type, replace assertion that
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+ the file is BigTIFF, by a non-fatal error.
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+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2712
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+ Reported by team OWL337
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+
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+2017-06-30 Even Rouault <even.rouault at spatialys.com>
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+
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* libtiff/tif_read.c, tiffiop.h: add a _TIFFReadEncodedStripAndAllocBuffer()
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function, variant of TIFFReadEncodedStrip() that allocates the
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decoded buffer only after a first successful TIFFFillStrip(). This avoids
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diff --git a/libtiff/tif_dirwrite.c b/libtiff/tif_dirwrite.c
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index 2967da58..8d6686ba 100644
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--- a/libtiff/tif_dirwrite.c
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+++ b/libtiff/tif_dirwrite.c
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@@ -2111,7 +2111,10 @@ TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, ui
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{
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uint64 m;
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assert(sizeof(uint64)==8);
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- assert(tif->tif_flags&TIFF_BIGTIFF);
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+ if( !(tif->tif_flags&TIFF_BIGTIFF) ) {
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+ TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8","LONG8 not allowed for ClassicTIFF");
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+ return(0);
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+ }
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m=value;
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if (tif->tif_flags&TIFF_SWAB)
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TIFFSwabLong8(&m);
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@@ -2124,7 +2127,10 @@ TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* di
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{
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assert(count<0x20000000);
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assert(sizeof(uint64)==8);
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- assert(tif->tif_flags&TIFF_BIGTIFF);
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+ if( !(tif->tif_flags&TIFF_BIGTIFF) ) {
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+ TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8","LONG8 not allowed for ClassicTIFF");
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+ return(0);
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+ }
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if (tif->tif_flags&TIFF_SWAB)
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TIFFSwabArrayOfLong8(value,count);
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return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG8,count,count*8,value));
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@@ -2136,7 +2142,10 @@ TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, u
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{
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int64 m;
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assert(sizeof(int64)==8);
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- assert(tif->tif_flags&TIFF_BIGTIFF);
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+ if( !(tif->tif_flags&TIFF_BIGTIFF) ) {
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+ TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8","SLONG8 not allowed for ClassicTIFF");
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+ return(0);
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+ }
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m=value;
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if (tif->tif_flags&TIFF_SWAB)
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TIFFSwabLong8((uint64*)(&m));
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@@ -2149,7 +2158,10 @@ TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* d
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{
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assert(count<0x20000000);
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assert(sizeof(int64)==8);
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- assert(tif->tif_flags&TIFF_BIGTIFF);
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+ if( !(tif->tif_flags&TIFF_BIGTIFF) ) {
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+ TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8","SLONG8 not allowed for ClassicTIFF");
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+ return(0);
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+ }
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if (tif->tif_flags&TIFF_SWAB)
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TIFFSwabArrayOfLong8((uint64*)value,count);
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return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG8,count,count*8,value));
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