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/* GdkPixbuf library - test compositing
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Benjamin Otte
*/
#include <gdk-pixbuf.h>
#include "test-common.h"
static void
test_original (void)
{
GdkPixbuf* buf;
int size = 32;
GError* err = NULL;
buf = gdk_pixbuf_new_from_resource_at_scale ("/test/resource/cve-2015-4491.bmp", size, size, FALSE, &err);
/* Image is corrupt because the rowstride * height mul overflows */
g_assert_error (err, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE);
g_assert_null (buf);
}
static void
test_scale_overflow (void)
{
GdkPixbuf *src, *dest;
src = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1 << 12, 1 << 12);
dest = gdk_pixbuf_scale_simple (src, 1, 1, GDK_INTERP_BILINEAR);
g_object_unref (dest);
g_object_unref (src);
}
static void
test_scalex_overflow (void)
{
GdkPixbuf *src, *dest;
src = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, (((guint) G_MAXINT) + 1) >> 7, 1);
dest = gdk_pixbuf_scale_simple (src, 1, 1, GDK_INTERP_BILINEAR);
g_object_unref (dest);
g_object_unref (src);
}
static void
test_scaley_overflow (void)
{
GdkPixbuf *src, *dest;
src = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, (((guint) G_MAXINT) + 1) >> 7);
dest = gdk_pixbuf_scale_simple (src, 1, 1, GDK_INTERP_BILINEAR);
g_object_unref (dest);
g_object_unref (src);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/pixbuf/cve-2015-4491/original", test_original);
g_test_add_func ("/pixbuf/cve-2015-4491/scale-overflow", test_scale_overflow);
g_test_add_func ("/pixbuf/cve-2015-4491/scale-x-overflow", test_scalex_overflow);
g_test_add_func ("/pixbuf/cve-2015-4491/scale-y-overflow", test_scaley_overflow);
return g_test_run ();
}
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