Accepting request 21235 from graphics
Copy from graphics/tiff based on submit request 21235 from user msmeissn OBS-URL: https://build.opensuse.org/request/show/21235 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/tiff?expand=0&rev=12
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0dc7942c47
170
tiff-3.8.2-CVE-2009-2347.patch
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170
tiff-3.8.2-CVE-2009-2347.patch
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@ -0,0 +1,170 @@
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Fix several places in tiff2rgba and rgb2ycbcr that were being careless about
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possible integer overflow in calculation of buffer sizes.
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CVE-2009-2347
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diff -Naur tiff-3.8.2.orig/tools/rgb2ycbcr.c tiff-3.8.2/tools/rgb2ycbcr.c
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--- tiff-3.8.2.orig/tools/rgb2ycbcr.c 2004-09-03 03:57:13.000000000 -0400
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+++ tiff-3.8.2/tools/rgb2ycbcr.c 2009-07-10 17:12:32.000000000 -0400
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@@ -202,6 +202,17 @@
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#undef LumaBlue
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#undef V2Code
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+static tsize_t
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+multiply(tsize_t m1, tsize_t m2)
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+{
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+ tsize_t prod = m1 * m2;
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+
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+ if (m1 && prod / m1 != m2)
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+ prod = 0; /* overflow */
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+
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+ return prod;
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+}
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+
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/*
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* Convert a strip of RGB data to YCbCr and
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* sample to generate the output data.
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@@ -278,10 +289,19 @@
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float floatv;
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char *stringv;
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uint32 longv;
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+ tsize_t raster_size;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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- raster = (uint32*)_TIFFmalloc(width * height * sizeof (uint32));
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+
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+ raster_size = multiply(multiply(width, height), sizeof (uint32));
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+ if (!raster_size) {
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+ TIFFError(TIFFFileName(in),
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+ "Can't allocate buffer for raster of size %lux%lu",
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+ (unsigned long) width, (unsigned long) height);
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+ return (0);
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+ }
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+ raster = (uint32*)_TIFFmalloc(raster_size);
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if (raster == 0) {
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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diff -Naur tiff-3.8.2.orig/tools/tiff2rgba.c tiff-3.8.2/tools/tiff2rgba.c
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--- tiff-3.8.2.orig/tools/tiff2rgba.c 2004-11-07 06:08:37.000000000 -0500
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+++ tiff-3.8.2/tools/tiff2rgba.c 2009-07-10 17:06:42.000000000 -0400
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@@ -124,6 +124,17 @@
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return (0);
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}
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+static tsize_t
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+multiply(tsize_t m1, tsize_t m2)
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+{
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+ tsize_t prod = m1 * m2;
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+
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+ if (m1 && prod / m1 != m2)
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+ prod = 0; /* overflow */
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+
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+ return prod;
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+}
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+
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static int
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cvt_by_tile( TIFF *in, TIFF *out )
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@@ -133,6 +144,7 @@
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uint32 tile_width, tile_height;
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uint32 row, col;
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uint32 *wrk_line;
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+ tsize_t raster_size;
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int ok = 1;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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@@ -150,7 +162,14 @@
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/*
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* Allocate tile buffer
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*/
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- raster = (uint32*)_TIFFmalloc(tile_width * tile_height * sizeof (uint32));
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+ raster_size = multiply(multiply(tile_width, tile_height), sizeof (uint32));
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+ if (!raster_size) {
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+ TIFFError(TIFFFileName(in),
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+ "Can't allocate buffer for raster of size %lux%lu",
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+ (unsigned long) tile_width, (unsigned long) tile_height);
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+ return (0);
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+ }
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+ raster = (uint32*)_TIFFmalloc(raster_size);
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if (raster == 0) {
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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@@ -158,7 +177,7 @@
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/*
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* Allocate a scanline buffer for swapping during the vertical
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- * mirroring pass.
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+ * mirroring pass. (Request can't overflow given prior checks.)
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*/
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wrk_line = (uint32*)_TIFFmalloc(tile_width * sizeof (uint32));
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if (!wrk_line) {
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@@ -226,6 +245,7 @@
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uint32 width, height; /* image width & height */
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uint32 row;
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uint32 *wrk_line;
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+ tsize_t raster_size;
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int ok = 1;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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@@ -241,7 +261,14 @@
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/*
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* Allocate strip buffer
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*/
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- raster = (uint32*)_TIFFmalloc(width * rowsperstrip * sizeof (uint32));
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+ raster_size = multiply(multiply(width, rowsperstrip), sizeof (uint32));
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+ if (!raster_size) {
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+ TIFFError(TIFFFileName(in),
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+ "Can't allocate buffer for raster of size %lux%lu",
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+ (unsigned long) width, (unsigned long) rowsperstrip);
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+ return (0);
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+ }
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+ raster = (uint32*)_TIFFmalloc(raster_size);
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if (raster == 0) {
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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@@ -249,7 +276,7 @@
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/*
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* Allocate a scanline buffer for swapping during the vertical
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- * mirroring pass.
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+ * mirroring pass. (Request can't overflow given prior checks.)
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*/
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wrk_line = (uint32*)_TIFFmalloc(width * sizeof (uint32));
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if (!wrk_line) {
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@@ -328,14 +355,22 @@
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uint32* raster; /* retrieve RGBA image */
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uint32 width, height; /* image width & height */
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uint32 row;
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-
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+ tsize_t raster_size;
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+
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip);
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TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
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- raster = (uint32*)_TIFFmalloc(width * height * sizeof (uint32));
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+ raster_size = multiply(multiply(width, height), sizeof (uint32));
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+ if (!raster_size) {
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+ TIFFError(TIFFFileName(in),
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+ "Can't allocate buffer for raster of size %lux%lu",
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+ (unsigned long) width, (unsigned long) height);
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+ return (0);
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+ }
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+ raster = (uint32*)_TIFFmalloc(raster_size);
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if (raster == 0) {
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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@@ -353,7 +388,7 @@
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*/
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if( no_alpha )
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{
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- int pixel_count = width * height;
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+ tsize_t pixel_count = (tsize_t) width * (tsize_t) height;
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unsigned char *src, *dst;
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src = (unsigned char *) raster;
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Thu Aug 6 14:02:07 CEST 2009 - pgajdos@suse.cz
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- fixed integer overflows [bnc#519796]
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* CVE-2009-2347.patch
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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Thu Jul 2 16:33:02 CEST 2009 - nadvornik@suse.cz
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Thu Jul 2 16:33:02 CEST 2009 - nadvornik@suse.cz
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@ -29,7 +29,7 @@ Obsoletes: tiff-64bit
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#
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#
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Url: http://www.remotesensing.org/libtiff/
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Url: http://www.remotesensing.org/libtiff/
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Version: 3.8.2
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Version: 3.8.2
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Release: 143
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Release: 144
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Summary: Tools for Converting from and to the Tiff Format
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Summary: Tools for Converting from and to the Tiff Format
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Source: tiff-%{version}.tar.bz2
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Source: tiff-%{version}.tar.bz2
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Source1: jpegint.h
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Source1: jpegint.h
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@ -42,6 +42,7 @@ Patch6: tiff-%{version}-tif_lzw.c-CVE-2008-2327-2.patch
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Patch7: tiff-am.patch
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Patch7: tiff-am.patch
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Patch8: tiff-3.8.2-bnc444079.patch
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Patch8: tiff-3.8.2-bnc444079.patch
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Patch9: tiff-3.8.2-lzw-CVE-2009-2285.patch
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Patch9: tiff-3.8.2-lzw-CVE-2009-2285.patch
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Patch10: tiff-%{version}-CVE-2009-2347.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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%description
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%description
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@ -106,6 +107,7 @@ the libtiff library.
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%patch7
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%patch7
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%patch8
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%patch8
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%patch9
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%patch9
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%patch10 -p1
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cp %{S:1} libtiff
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cp %{S:1} libtiff
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find -type d -name "CVS" | xargs rm -rfv
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find -type d -name "CVS" | xargs rm -rfv
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find -type d | xargs chmod 755
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find -type d | xargs chmod 755
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@ -129,6 +131,7 @@ done
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cp %{S:2} .
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cp %{S:2} .
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rm -rf $RPM_BUILD_ROOT/usr/share/doc/tiff*
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rm -rf $RPM_BUILD_ROOT/usr/share/doc/tiff*
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rm -f $RPM_BUILD_ROOT/%{_libdir}/*.la
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rm -f $RPM_BUILD_ROOT/%{_libdir}/*.la
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find html -name "Makefile*" | xargs rm
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%post -n libtiff3 -p /sbin/ldconfig
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%post -n libtiff3 -p /sbin/ldconfig
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