commit:     1565ff5da7b321093f3b6e72597bee214c7c08f2
Author:     Andrew Savchenko <bircoph <AT> gentoo <DOT> org>
AuthorDate: Tue Jan 17 22:35:23 2017 +0000
Commit:     Andrew Savchenko <bircoph <AT> gentoo <DOT> org>
CommitDate: Tue Jan 17 22:35:23 2017 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1565ff5d

media-libs/libafterimage: fix invalid casts, see bug 571654

Fix invalid pointer usage as pointed out by Oliver Freyermuth
<o.freyermuth <AT> googlemail.com>, bug 571654, comment 23 which may
lead to ROOT crash (comment 22).
Patch by  Oliver Freyermuth, comment 24.

Also fix pointer signedness issue in import.c:2227.

Package-Manager: Portage-2.3.3, Repoman-2.3.1
Signed-off-by: Andrew Savchenko <bircoph <AT> gentoo.org>

 .../files/libafterimage-giflib5-v2.patch           | 391 +++++++++++++++++++++
 .../libafterimage/libafterimage-1.20-r2.ebuild     | 108 ++++++
 2 files changed, 499 insertions(+)

diff --git a/media-libs/libafterimage/files/libafterimage-giflib5-v2.patch 
b/media-libs/libafterimage/files/libafterimage-giflib5-v2.patch
new file mode 100644
index 00000000..85afd53
--- /dev/null
+++ b/media-libs/libafterimage/files/libafterimage-giflib5-v2.patch
@@ -0,0 +1,391 @@
+diff -Naurd libAfterImage-1.20.orig/export.c libAfterImage-1.20/export.c
+--- libAfterImage-1.20.orig/export.c   2016-05-01 11:44:19.000000000 +0300
++++ libAfterImage-1.20/export.c        2016-05-02 10:57:59.688984491 +0300
+@@ -1048,6 +1048,9 @@
+       Bool new_image = True ;
+       START_TIME(started);
+       int cmap_size = 1;
++#if (GIFLIB_MAJOR>=5)
++      int errcode;
++#endif
+ #define GIF_NETSCAPE_EXT_BYTES 3
+       unsigned char netscape_ext_bytes[GIF_NETSCAPE_EXT_BYTES] = { 0x1, 0x0, 
0x0};
+ #define GIF_GCE_BYTES 4       
+@@ -1086,10 +1089,18 @@
+ 
+       while( cmap_size < 256 && cmap_size < 
(int)cmap.count+(gce_bytes[0]&0x01) )
+               cmap_size = cmap_size<<1 ;
++#if (GIFLIB_MAJOR>=5)
++      if( (gif_cmap = GifMakeMapObject(cmap_size, NULL )) == NULL )
++#else
+       if( (gif_cmap = MakeMapObject(cmap_size, NULL )) == NULL )
++#endif
+       {
+               free( mapped_im );
++#if (GIFLIB_MAJOR>=5)
++              ASIM_PrintGifError(E_GIF_ERR_NOT_ENOUGH_MEM);
++#else
+               ASIM_PrintGifError();
++#endif
+               return False;
+       }
+       memcpy( &(gif_cmap->Colors[0]), &(cmap.entries[0]), 
MIN(cmap.count,(unsigned int)cmap_size)*3 );
+@@ -1101,13 +1112,25 @@
+               SavedImage *images = NULL ;
+               int count = 0 ;
+               /* TODO: do something about multiimage files !!! */
++#if (GIFLIB_MAJOR>=5)
++              gif = open_gif_read(infile, &errcode);
++#else
+               gif = open_gif_read(infile);
++#endif
+               if( gif == NULL || get_gif_saved_images(gif, -1, &images, 
&count) == GIF_ERROR)
+               {
++#if (GIFLIB_MAJOR>=5)
++                      ASIM_PrintGifError(errcode);
++#else
+                       ASIM_PrintGifError();
++#endif
+                       if( gif )
+                       {
++#if (GIFLIB_MAJOR>=5)
++                              DGifCloseFile(gif, &errcode);
++#else
+                               DGifCloseFile(gif);
++#endif
+                               gif = NULL ;
+                       }
+                       if (infile)
+@@ -1123,14 +1146,22 @@
+                       gif_src = *gif ;
+                       gif->SColorMap = NULL ;
+                       gif->Image.ColorMap = NULL ;
++#if (GIFLIB_MAJOR>=5)
++            DGifCloseFile(gif, &errcode);
++#else
+                       DGifCloseFile(gif);
++#endif
+                       gif = NULL;
+                       fclose (infile);
+                       infile = NULL;
+                       outfile = open_writeable_image_file( path );
+ 
+                       if (outfile)
++#if (GIFLIB_MAJOR>=5)
++                              gif = EGifOpenFileHandle(fileno(outfile), 
&errcode);
++#else
+                               gif = EGifOpenFileHandle(fileno(outfile));
++#endif
+                               
+                       if (gif)
+                       {
+@@ -1141,26 +1172,46 @@
+                                                                          
gif_src.SColorMap )) == GIF_OK )
+                                       status = write_gif_saved_images( gif, 
images, count );
+                               if( status != GIF_OK )
++#if (GIFLIB_MAJOR>=5)
++                                      ASIM_PrintGifError(status);
++#else
+                                       ASIM_PrintGifError();
++#endif
+                       }
+                       if (gif_src.SColorMap)
+                       {  /* we only want to save private colormap if it is 
any different from
+                           * screen colormap ( saves us  768 bytes per image ) 
*/
+                               if( gif_cmap->ColorCount == 
gif_src.SColorMap->ColorCount )
+                                       dont_save_cmap = ( memcmp( 
gif_cmap->Colors, gif_src.SColorMap->Colors, 
gif_cmap->ColorCount*sizeof(GifColorType)) == 0 );
++#if (GIFLIB_MAJOR>=5)
++                              GifFreeMapObject(gif_src.SColorMap);
++#else
+                               FreeMapObject(gif_src.SColorMap);
++#endif
+                       }
+                       if (gif)
+                       {
+                               EGifPutExtension(gif, GRAPHICS_EXT_FUNC_CODE, 
GIF_GCE_BYTES, &(gce_bytes[0]));
+                               if( get_flags( params->gif.flags, 
EXPORT_ANIMATION_REPEATS ) )
+                               {
++#if (GIFLIB_MAJOR>=5)
++                                      EGifPutExtensionLeader(gif, 
APPLICATION_EXT_FUNC_CODE);
++                                      EGifPutExtensionBlock(gif, 11, 
"NETSCAPE2.0");
++                                      EGifPutExtensionBlock(gif, 
GIF_NETSCAPE_EXT_BYTES, &(netscape_ext_bytes[0]));
++                                      EGifPutExtensionTrailer(gif);
++#else
+                                       EGifPutExtensionFirst(gif, 
APPLICATION_EXT_FUNC_CODE, 11, "NETSCAPE2.0");
+                                       EGifPutExtensionLast(gif, 0, 
GIF_NETSCAPE_EXT_BYTES, &(netscape_ext_bytes[0]));
++#endif
+                               }
+                               
++#if (GIFLIB_MAJOR>=5)
++                              if( (errcode = EGifPutImageDesc(gif, 0, 0, 
im->width, im->height, false, (dont_save_cmap)?NULL:gif_cmap )) == GIF_ERROR )
++                                      ASIM_PrintGifError(errcode);
++#else
+                               if( EGifPutImageDesc(gif, 0, 0, im->width, 
im->height, FALSE, (dont_save_cmap)?NULL:gif_cmap ) == GIF_ERROR )
+                                       ASIM_PrintGifError();
++#endif
+                       }
+               }
+               free_gif_saved_images( images, count );
+@@ -1172,24 +1223,46 @@
+                       outfile = open_writeable_image_file(path);
+                       
+               if (outfile)
++        {
++#if (GIFLIB_MAJOR>=5)
++                      gif = EGifOpenFileHandle(fileno(outfile), &errcode);
++                      if (errcode != E_GIF_SUCCEEDED)
++                              ASIM_PrintGifError(errcode);
++#else
+                       if ((gif = EGifOpenFileHandle(fileno(outfile))) == NULL)
+                               ASIM_PrintGifError();
++#endif
++        }
+       }
+ 
+       if( new_image && gif )
+       {
++#if (GIFLIB_MAJOR>=5)
++              if( (errcode = EGifPutScreenDesc(gif, im->width, im->height, 
cmap_size, 0, gif_cmap )) == GIF_ERROR )
++                      ASIM_PrintGifError(errcode);
++#else
+               if( EGifPutScreenDesc(gif, im->width, im->height, cmap_size, 0, 
gif_cmap ) == GIF_ERROR )
+                       ASIM_PrintGifError();
++#endif
+       
+               EGifPutExtension(gif, 0xf9, GIF_GCE_BYTES, &(gce_bytes[0]));
+       
++#if (GIFLIB_MAJOR>=5)
++              if( (errcode = EGifPutImageDesc(gif, 0, 0, im->width, 
im->height, false, NULL )) == GIF_ERROR )
++                      ASIM_PrintGifError(errcode);
++#else
+               if( EGifPutImageDesc(gif, 0, 0, im->width, im->height, FALSE, 
NULL ) == GIF_ERROR )
+                       ASIM_PrintGifError();
++#endif
+       }
+ 
+       if( gif_cmap )
+       {
++#if (GIFLIB_MAJOR>=5)
++              GifFreeMapObject(gif_cmap);
++#else
+               FreeMapObject(gif_cmap);
++#endif
+               gif_cmap = NULL ;
+       }
+       if( gif )
+@@ -1203,12 +1276,23 @@
+                       register int *src = mapped_im + x*y;
+                   while( --x >= 0 )
+                               row_pointer[x] = src[x] ;
++#if (GIFLIB_MAJOR>=5)
++                      if( (errcode = EGifPutLine(gif, row_pointer, 
im->width))  == GIF_ERROR)
++                              ASIM_PrintGifError(errcode);
++#else
+                       if( EGifPutLine(gif, row_pointer, im->width)  == 
GIF_ERROR)
+                               ASIM_PrintGifError();
++#endif
+               }
+               free( row_pointer );
++#if (GIFLIB_MAJOR>=5)
++              EGifCloseFile(gif, &errcode);
++              if (errcode != E_GIF_SUCCEEDED)
++                      ASIM_PrintGifError(errcode);
++#else
+               if (EGifCloseFile(gif) == GIF_ERROR)
+                       ASIM_PrintGifError();
++#endif
+               gif = NULL;
+       }
+       free( mapped_im );
+diff -Naurd libAfterImage-1.20.orig/import.c libAfterImage-1.20/import.c
+--- libAfterImage-1.20.orig/import.c   2016-05-01 11:44:19.000000000 +0300
++++ libAfterImage-1.20/import.c        2016-05-02 11:01:58.979496755 +0300
+@@ -2178,6 +2178,9 @@
+       int             transparent = -1 ;
+       unsigned int            y;
+       unsigned int            width = 0, height = 0;
++#if (GIFLIB_MAJOR>=5)
++      int errcode;
++#endif
+       ColorMapObject     *cmap = NULL ;
+ 
+       START_TIME(started);
+@@ -2186,7 +2189,11 @@
+       
+       if ((fp = open_image_file(path)) == NULL)
+               return NULL;
++#if (GIFLIB_MAJOR>=5)
++      if( (gif = open_gif_read(fp, &errcode)) != NULL )
++#else
+       if( (gif = open_gif_read(fp)) != NULL )
++#endif
+       {
+               SavedImage      *sp = NULL ;
+               int count = 0 ;
+@@ -2224,7 +2224,7 @@
+                                                                               
                                ((((unsigned int) 
sp->ExtensionBlocks[y].Bytes[GIF_GCE_DELAY_BYTE_HIGH])<<8)&0x00FF00);
+                                       }else if(  
sp->ExtensionBlocks[y].Function == APPLICATION_EXT_FUNC_CODE && 
sp->ExtensionBlocks[y].ByteCount == 11 ) /* application extension */
+                                       {
+-                                              if( 
strncmp(&(sp->ExtensionBlocks[y].Bytes[0]), "NETSCAPE2.0", 11 ) == 0 ) 
++                                              if( strncmp((const 
char*)(&sp->ExtensionBlocks[y].Bytes[0]), "NETSCAPE2.0", 11 ) == 0 ) 
+                                               {
+                                                       ++y ;
+                                                       if( y < (unsigned 
int)sp->ExtensionBlockCount && sp->ExtensionBlocks[y].ByteCount == 3 )
+@@ -2289,13 +2296,21 @@
+                       }
+                       free_gif_saved_images( sp, count );
+               }else if( status != GIF_OK ) 
++#if (GIFLIB_MAJOR>=5)
++                      ASIM_PrintGifError(status);
++#else
+                       ASIM_PrintGifError();
++#endif
+               else if( params->subimage == -1 )
+                       show_error( "Image file \"%s\" does not have any valid 
image information.", path );
+               else
+                       show_error( "Image file \"%s\" does not have subimage 
%d.", path, params->subimage );
+ 
++#if (GIFLIB_MAJOR>=5)
++              DGifCloseFile(gif, &errcode);
++#else
+               DGifCloseFile(gif);
++#endif
+               fclose( fp );
+       }
+       SHOW_TIME("image loading",started);
+diff -Naurd libAfterImage-1.20.orig/ungif.c libAfterImage-1.20/ungif.c
+--- libAfterImage-1.20.orig/ungif.c    2011-01-15 08:52:22.000000000 +0300
++++ libAfterImage-1.20/ungif.c 2016-05-02 16:03:57.590148737 +0300
+@@ -75,13 +75,21 @@
+       if( sp )
+       {
+               if (sp->ImageDesc.ColorMap)
++#if (GIFLIB_MAJOR>=5)
++              GifFreeMapObject(sp->ImageDesc.ColorMap);
++#else
+               FreeMapObject(sp->ImageDesc.ColorMap);
++#endif
+ 
+               if (sp->RasterBits)
+                   free((char *)sp->RasterBits);
+ 
+               if (sp->ExtensionBlocks)
++#if (GIFLIB_MAJOR>=5)
++                  GifFreeExtensions(&sp->ExtensionBlockCount, 
&sp->ExtensionBlocks);
++#else
+                   FreeExtension(sp);
++#endif
+ 
+               if( !reusable )
+                       free( sp );
+@@ -119,11 +127,19 @@
+       return ret;
+ }
+ 
++#if (GIFLIB_MAJOR>=5)
++GifFileType*
++open_gif_read( FILE *in_stream, int *errcode )
++{
++      return DGifOpen(in_stream, fread_gif, errcode);
++}
++#else
+ GifFileType*
+ open_gif_read( FILE *in_stream )
+ {
+       return DGifOpen(in_stream, fread_gif);
+ }
++#endif
+ 
+ int
+ get_gif_image_desc( GifFileType *gif, SavedImage *im )
+@@ -151,7 +167,11 @@
+               memcpy( &(im->ImageDesc), &(gif->Image), sizeof(GifImageDesc));
+               if( gif->Image.ColorMap )
+               {
++#if (GIFLIB_MAJOR>=5)
++                      im->ImageDesc.ColorMap = 
GifMakeMapObject(gif->Image.ColorMap->ColorCount, NULL);
++#else
+                       im->ImageDesc.ColorMap = 
MakeMapObject(gif->Image.ColorMap->ColorCount, NULL);
++#endif
+                       fseek( gif->UserData, start_pos+9, SEEK_SET ); 
+                       fread( im->ImageDesc.ColorMap->Colors, 1, 
gif->Image.ColorMap->ColorCount*3, gif->UserData);
+                       fseek( gif->UserData, end_pos, SEEK_SET );
+@@ -166,6 +186,9 @@
+ {
+     GifRecordType RecordType;
+     GifByteType *ExtData;
++#if (GIFLIB_MAJOR>=5)
++    int ExtCode;
++#endif
+     SavedImage temp_save;
+       int curr_image = 0, ret_count = *ret_images ;
+       int status = GIF_OK;
+@@ -197,13 +220,23 @@
+                               break;
+ 
+               case EXTENSION_RECORD_TYPE:
++#if (GIFLIB_MAJOR>=5)
++                              status = 
DGifGetExtension(gif,&ExtCode,&ExtData);
++#else
+                               status = 
DGifGetExtension(gif,&temp_save.Function,&ExtData);
++#endif
+                               while (ExtData != NULL && status == GIF_OK )
+                               {
+                       /* Create an extension block with our data */
++#if (GIFLIB_MAJOR>=5)
++                      if ((status = 
GifAddExtensionBlock(&temp_save.ExtensionBlockCount, &temp_save.ExtensionBlocks,
++                            ExtCode, sizeof(ExtData), ExtData)) == GIF_OK)
++                    status = DGifGetExtension(gif,&ExtCode,&ExtData);
++#else
+                       if ((status = AddExtensionBlock(&temp_save, ExtData[0], 
(char*)&(ExtData[1]))) == GIF_OK)
+                                       status = DGifGetExtensionNext(gif, 
&ExtData);
+                       temp_save.Function = 0;
++#endif
+                               }
+                               break;
+ 
+diff -Naurd libAfterImage-1.20.orig/ungif.h libAfterImage-1.20/ungif.h
+--- libAfterImage-1.20.orig/ungif.h    2011-01-15 08:52:22.000000000 +0300
++++ libAfterImage-1.20/ungif.h 2016-05-02 10:57:59.715983533 +0300
+@@ -7,11 +7,29 @@
+ extern "C" {
+ #endif
+ 
++#if ((GIFLIB_MAJOR==4) && (GIFLIB_MINOR>=2)) 
++static inline void PrintGifError(void) {
++    fprintf(stderr, "%s\n", GifErrorString());
++}
++#elif (GIFLIB_MAJOR>=5)
++static inline void PrintGifError(int code) {
++    fprintf(stderr, "%s\n", GifErrorString(code));
++}
++#endif
++
++#if (GIFLIB_MAJOR>=5)
++#ifdef __GNUC__
++#define ASIM_PrintGifError(code) do{ fprintf( stderr, "%s():%d:<%s> 
",__FUNCTION__, __LINE__, path?path:"null" ); PrintGifError(code); }while(0)
++#else
++#define ASIM_PrintGifError(code) do{ PrintGifError(code); }while(0)
++#endif
++#else // (GIFLIB_MAJOR>=5)
+ #ifdef __GNUC__
+ #define ASIM_PrintGifError() do{ fprintf( stderr, "%s():%d:<%s> 
",__FUNCTION__, __LINE__, path?path:"null" ); PrintGifError(); }while(0)
+ #else
+ #define ASIM_PrintGifError() do{ PrintGifError(); }while(0)
+ #endif
++#endif // (GIFLIB_MAJOR>=5)
+ 
+ #define GIF_GCE_DELAY_BYTE_LOW        1
+ #define GIF_GCE_DELAY_BYTE_HIGH       2
+@@ -24,7 +42,11 @@
+ 
+ 
+ int fread_gif( GifFileType *gif, GifByteType* buf, int len );
++#if (GIFLIB_MAJOR>=5)
++GifFileType* open_gif_read( FILE *in_stream, int *errcode );
++#else
+ GifFileType* open_gif_read( FILE *in_stream );
++#endif
+ 
+ int get_gif_image_desc( GifFileType *gif, SavedImage *im );
+ 

diff --git a/media-libs/libafterimage/libafterimage-1.20-r2.ebuild 
b/media-libs/libafterimage/libafterimage-1.20-r2.ebuild
new file mode 100644
index 00000000..3b73b63
--- /dev/null
+++ b/media-libs/libafterimage/libafterimage-1.20-r2.ebuild
@@ -0,0 +1,108 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+inherit autotools
+
+MY_PN=libAfterImage
+
+DESCRIPTION="Afterstep's standalone generic image manipulation library"
+HOMEPAGE="http://www.afterstep.org/afterimage/index.php";
+SRC_URI="ftp://ftp.afterstep.org/stable/${MY_PN}/${MY_PN}-${PV}.tar.bz2";
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd 
~amd64-linux ~x86-linux"
+IUSE="+X cpu_flags_x86_mmx examples gif jpeg nls opengl png static-libs shm 
+shaping svg tiff truetype"
+
+RDEPEND="
+       X?              ( x11-libs/libSM
+                         x11-libs/libXext
+                         x11-libs/libXrender )
+       gif?    ( media-libs/giflib:0= )
+       jpeg?   ( virtual/jpeg:0 )
+       opengl? ( virtual/opengl )
+       png?    ( >=media-libs/libpng-1.4:0= )
+       svg?    ( gnome-base/librsvg:2 )
+       tiff?   ( media-libs/tiff:0 )
+       truetype? ( media-libs/freetype )"
+DEPEND="${RDEPEND}
+       X?              ( x11-proto/xextproto )
+       virtual/pkgconfig
+       !!x11-wm/afterstep"
+REQUIRED_USE="
+       opengl?  ( X )
+       shaping? ( X )
+       shm?     ( X )"
+
+S="${WORKDIR}/${MY_PN}-${PV}"
+
+src_prepare() {
+       default
+
+       # fix some ldconfig problem in makefile.in
+       eapply -p0 "${FILESDIR}"/${PN}-makefile.in.patch
+       # fix lib paths in afterimage-config
+       eapply -p0 "${FILESDIR}"/${PN}-config.patch
+       # fix gif unbundle
+       eapply -p0 "${FILESDIR}"/${PN}-gif.patch
+       # fix for libpng15 compability
+       eapply -p0 "${FILESDIR}"/${PN}-libpng15.patch
+       # add giflib-5 API support, bug 571654
+       eapply "${FILESDIR}"/${PN}-giflib5-v2.patch
+       # do not build examples
+       use examples || sed -i \
+               -e '/^all:/s/apps//' \
+               -e '/^install:/s/install.apps//' \
+               Makefile.in || die "sed failed"
+       # remove forced flags
+       sed -i \
+               -e 's/CFLAGS="-O3"//' \
+               -e 's/ -rdynamic//' \
+               configure.in || die "sed failed"
+
+       mv configure.in configure.ac || die
+       eautoreconf
+}
+
+src_configure() {
+       econf \
+               $(use_enable cpu_flags_x86_mmx mmx-optimization) \
+               $(use_enable opengl glx) \
+               $(use_enable nls i18n) \
+               $(use_enable shaping) \
+               $(use_enable shm shmimage ) \
+               $(use_enable static-libs staticlibs) \
+               $(use_with X x) \
+               $(use_with gif) \
+               $(use_with jpeg) \
+               $(use_with png) \
+               $(use_with svg) \
+               $(use_with tiff) \
+               $(use_with truetype ttf) \
+               --enable-sharedlibs \
+               --with-xpm \
+               --without-builtin-gif \
+               --without-builtin-jpeg \
+               --without-builtin-png \
+               --without-builtin-zlib \
+               --without-afterbase
+}
+
+src_install() {
+       emake \
+               DESTDIR="${D}" \
+               AFTER_DOC_DIR="${ED}/usr/share/doc/${PF}" \
+               install
+       dodoc ChangeLog README
+       if use examples; then
+               cd apps || die
+               mv ascompose.man ascompose.1 || die
+               doman ascompose.1
+               emake clean
+               rm Makefile* ascompose.1 || die
+               insinto /usr/share/doc/${PF}/examples
+               doins *
+       fi
+}

Reply via email to