libraries/libglpng: Rearrange patches.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

4 files changed, 21 insertions, 179 deletions

diff --git a/libraries/libglpng/patches/libglpng-1.45-extra_cflags.patch b/libraries/libglpng/libglpng-1.45-extra_cflags.patch
index 16dd4db3fb67c..16dd4db3fb67c 100644
--- a/libraries/libglpng/patches/libglpng-1.45-extra_cflags.patch
+++ b/libraries/libglpng/libglpng-1.45-extra_cflags.patch
diff --git a/libraries/libglpng/patches/libglpng-1.45-libpng15.patch b/libraries/libglpng/libglpng-1.45-libpng15.patch
index dcafea8fe319c..9308633536e9f 100644
--- a/libraries/libglpng/patches/libglpng-1.45-libpng15.patch
+++ b/libraries/libglpng/libglpng-1.45-libpng15.patch
@@ -2,9 +2,9 @@ diff -up libglpng-1.45.orig/include/GL/glpng.h~ libglpng-1.45.orig/include/GL/gl
 --- libglpng-1.45.orig/include/GL/glpng.h~	2011-12-06 22:14:59.000000000 +0100
 +++ libglpng-1.45.orig/include/GL/glpng.h	2011-12-06 22:15:48.900673919 +0100
 @@ -57,7 +57,7 @@ extern "C" {
- #define PNG_SIMPLEMIPMAP PNG_SIMPLEMIPMAPS
+ #define PNG_SIMPLEMIPMAP PNG_SIMPLEMIPMAPS

  
- /* Transparency parameters */
+ /* Transparency parameters */

 -#define PNG_CALLBACK  -3 /* Call the callback function to generate alpha   */
 +#define PNG_CALLBACK_FUNC -3 /* Call the callback function to generate alpha   */
  #define PNG_ALPHA     -2 /* Use alpha channel in PNG file, if there is one */
@@ -16,27 +16,27 @@ diff -up libglpng-1.45.orig/src/glpng.c~ libglpng-1.45.orig/src/glpng.c
 @@ -282,7 +282,11 @@ int APIENTRY pngLoadRawF(FILE *fp, pngRa
  	if (!endinfo) return 0;
  
- 	// DH: added following lines
-+#if PNG_LIBPNG_VER >= 10400
-+	if (setjmp(png_jmpbuf(png)))
-+#else
- 	if (setjmp(png->jmpbuf))
-+#endif
- 	{
+ 	// DH: added following lines

++#if PNG_LIBPNG_VER >= 10400

++	if (setjmp(png_jmpbuf(png)))

++#else

+ 	if (setjmp(png->jmpbuf))

++#endif

+ 	{

  error:
- 		png_destroy_read_struct(&png, &info, &endinfo);
+ 		png_destroy_read_struct(&png, &info, &endinfo);

 @@ -402,7 +406,11 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
  	if (!endinfo) return 0;
  
- 	// DH: added following lines
-+#if PNG_LIBPNG_VER >= 10400
-+	if (setjmp(png_jmpbuf(png)))
-+#else
- 	if (setjmp(png->jmpbuf))
-+#endif
- 	{
+ 	// DH: added following lines

++#if PNG_LIBPNG_VER >= 10400

++	if (setjmp(png_jmpbuf(png)))

++#else

+ 	if (setjmp(png->jmpbuf))

++#endif

+ 	{

  error:
- 		png_destroy_read_struct(&png, &info, &endinfo);
+ 		png_destroy_read_struct(&png, &info, &endinfo);

 @@ -603,7 +611,7 @@ error:
  			#define ALPHA *q
  
diff --git a/libraries/libglpng/libglpng.SlackBuild b/libraries/libglpng/libglpng.SlackBuild
index 7fbc0afac0028..56225553a277b 100644
--- a/libraries/libglpng/libglpng.SlackBuild
+++ b/libraries/libglpng/libglpng.SlackBuild
@@ -24,7 +24,7 @@
 
 PRGNAM=libglpng
 VERSION=1.45
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -69,7 +69,8 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-for i in $CWD/patches/* ; do patch -p1 < $i ; done
+patch -p1 < $CWD/libglpng-1.45-extra_cflags.patch
+patch -p1 < $CWD/libglpng-1.45-libpng15.patch
 
 make EXTRA_CFLAGS="$SLKCFLAGS"
 make install DOCDIR=$PKG/usr/doc/$PRGNAM-$VERSION DESTDIR=$PKG/usr
diff --git a/libraries/libglpng/patches/libglpng-1.45-CVE-2010-1519.patch b/libraries/libglpng/patches/libglpng-1.45-CVE-2010-1519.patch
deleted file mode 100644
index bc45ffe48ff0f..0000000000000
--- a/libraries/libglpng/patches/libglpng-1.45-CVE-2010-1519.patch
+++ /dev/null
@@ -1,159 +0,0 @@
-diff -up libglpng-1.45.orig/src/glpng.c.cve libglpng-1.45.orig/src/glpng.c
---- libglpng-1.45.orig/src/glpng.c.cve	2010-09-10 14:13:37.105046660 +0200
-+++ libglpng-1.45.orig/src/glpng.c	2010-09-10 14:14:46.158045715 +0200
-@@ -28,6 +28,7 @@
- #include <GL/glpng.h>
- #include <GL/gl.h>
- #include <stdlib.h>
-+#include <stdint.h>
- #include <math.h>
- #include <png.h>
- 
-@@ -259,9 +260,9 @@ int APIENTRY pngLoadRawF(FILE *fp, pngRa
- 	png_structp png;
- 	png_infop   info;
- 	png_infop   endinfo;
--	png_bytep   data;
--   png_bytep  *row_p;
--   double	fileGamma;
-+	png_bytep   data = NULL;
-+	png_bytep  *row_p = NULL;
-+	double      fileGamma;
- 
- 	png_uint_32 width, height;
- 	int depth, color;
-@@ -274,13 +275,19 @@ int APIENTRY pngLoadRawF(FILE *fp, pngRa
- 	if (!png_check_sig(header, 8)) return 0;
- 
- 	png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-+	if (!png) return 0;
- 	info = png_create_info_struct(png);
-+	if (!info) return 0;
- 	endinfo = png_create_info_struct(png);
-+	if (!endinfo) return 0;
- 
- 	// DH: added following lines
- 	if (setjmp(png->jmpbuf))
- 	{
-+error:
- 		png_destroy_read_struct(&png, &info, &endinfo);
-+		free(data);
-+		free(row_p);
- 		return 0;
- 	}
- 	// ~DH
-@@ -303,8 +310,16 @@ int APIENTRY pngLoadRawF(FILE *fp, pngRa
- 
- 	png_read_update_info(png, info);
- 
-+	/* HDG: We allocate all the png data in one linear array, thus
-+	   height * png_get_rowbytes() may not be > PNG_UINT_32_MAX !
-+	   This check fixes CVE-2010-1519. */
-+	if ((uint64_t)height * png_get_rowbytes(png, info) > PNG_UINT_32_MAX)
-+		goto error;
-+
- 	data = (png_bytep) malloc(png_get_rowbytes(png, info)*height);
- 	row_p = (png_bytep *) malloc(sizeof(png_bytep)*height);
-+	if (!data || !row_p)
-+		goto error;
- 
- 	for (i = 0; i < height; i++) {
- 		if (StandardOrientation)
-@@ -315,6 +330,7 @@ int APIENTRY pngLoadRawF(FILE *fp, pngRa
- 
- 	png_read_image(png, row_p);
- 	free(row_p);
-+	row_p = NULL;
- 
- 	if (color == PNG_COLOR_TYPE_PALETTE) {
- 		int cols;
-@@ -365,9 +381,10 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 	png_structp png;
- 	png_infop   info;
- 	png_infop   endinfo;
--	png_bytep   data, data2;
--   png_bytep  *row_p;
--   double	fileGamma;
-+	png_bytep   data = NULL;
-+	png_bytep   data2 = NULL;
-+	png_bytep  *row_p = NULL;
-+	double      fileGamma;
- 
- 	png_uint_32 width, height, rw, rh;
- 	int depth, color;
-@@ -378,13 +395,20 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 	if (!png_check_sig(header, 8)) return 0;
- 
- 	png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-+	if (!png) return 0;
- 	info = png_create_info_struct(png);
-+	if (!info) return 0;
- 	endinfo = png_create_info_struct(png);
-+	if (!endinfo) return 0;
- 
- 	// DH: added following lines
- 	if (setjmp(png->jmpbuf))
- 	{
-+error:
- 		png_destroy_read_struct(&png, &info, &endinfo);
-+		free(data);
-+		free(data2);
-+		free(row_p);
- 		return 0;
- 	}
- 	// ~DH
-@@ -442,8 +466,16 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 
- 	png_read_update_info(png, info);
- 
-+	/* HDG: We allocate all the png data in one linear array, thus
-+	   height * png_get_rowbytes() may not be > PNG_UINT_32_MAX !
-+	   This check fixes CVE-2010-1519. */
-+	if ((uint64_t)height * png_get_rowbytes(png, info) > PNG_UINT_32_MAX)
-+		goto error;
-+
- 	data = (png_bytep) malloc(png_get_rowbytes(png, info)*height);
- 	row_p = (png_bytep *) malloc(sizeof(png_bytep)*height);
-+	if (!data || !row_p)
-+		goto error;
- 
- 	for (i = 0; i < height; i++) {
- 		if (StandardOrientation)
-@@ -454,6 +486,7 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 
- 	png_read_image(png, row_p);
- 	free(row_p);
-+	row_p = NULL;
- 
- 	rw = SafeSize(width), rh = SafeSize(height);
- 
-@@ -461,6 +494,8 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 		const int channels = png_get_rowbytes(png, info)/width;
- 
- 		data2 = (png_bytep) malloc(rw*rh*channels);
-+		if (!data2)
-+			goto error;
- 
-  		/* Doesn't work on certain sizes */
- /* 		if (gluScaleImage(glformat, width, height, GL_UNSIGNED_BYTE, data, rw, rh, GL_UNSIGNED_BYTE, data2) != 0)
-@@ -471,6 +506,7 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 		width = rw, height = rh;
- 		free(data);
- 		data = data2;
-+		data2 = NULL;
- 	}
- 
- 	{ /* OpenGL stuff */
-@@ -540,6 +576,12 @@ int APIENTRY pngLoadF(FILE *fp, int mipm
- 			png_bytep p, endp, q;
- 			int r, g, b, a;
- 
-+			/* HDG another potential 32 bit address overflow, the
-+			   original png had 3 channels and we are going to
-+			   4 channels now! */
-+			if ((uint64_t)width * height > (PNG_UINT_32_MAX >> 2))
-+				goto error;
-+
- 			p = data, endp = p+width*height*3;
- 			q = data2 = (png_bytep) malloc(sizeof(png_byte)*width*height*4);
-