From f956d661add890acb41592482a8a0c3fd90afd76 Mon Sep 17 00:00:00 2001
From: Mark H Weaver <mhw@netris.org>
Date: Thu, 8 Oct 2015 10:43:40 -0400
Subject: gnu: libwmf: Add fixes for several security flaws.

* gnu/packages/patches/libwmf-CAN-2004-0941.patch,
  gnu/packages/patches/libwmf-CVE-2007-0455.patch,
  gnu/packages/patches/libwmf-CVE-2007-2756.patch,
  gnu/packages/patches/libwmf-CVE-2007-3472.patch,
  gnu/packages/patches/libwmf-CVE-2007-3473.patch,
  gnu/packages/patches/libwmf-CVE-2007-3477.patch,
  gnu/packages/patches/libwmf-CVE-2009-3546.patch: New files.
* gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch: Delete
  file.  Replace with ...
* gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch,
  gnu/packages/patches/libwmf-CVE-2015-4695.patch,
  gnu/packages/patches/libwmf-CVE-2015-4696.patch: ... these new files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/image.scm (libwmf)[source]: Adjust set of patches.
---
 gnu/packages/patches/libwmf-CVE-2007-3477.patch | 42 +++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 gnu/packages/patches/libwmf-CVE-2007-3477.patch

(limited to 'gnu/packages/patches/libwmf-CVE-2007-3477.patch')

diff --git a/gnu/packages/patches/libwmf-CVE-2007-3477.patch b/gnu/packages/patches/libwmf-CVE-2007-3477.patch
new file mode 100644
index 0000000000..e9f6f4278b
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-3477.patch
@@ -0,0 +1,42 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3477.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd.c
++++ libwmf-0.2.8.4/src/extra/gd/gd.c
+@@ -1335,10 +1335,31 @@
+   int w2, h2;
+   w2 = w / 2;
+   h2 = h / 2;
+-  while (e < s)
+-    {
+-      e += 360;
+-    }
++
++  if ((s % 360)  == (e % 360)) {
++         s = 0; e = 360;
++  } else {
++         if (s > 360) {
++                 s = s % 360;
++         }
++
++         if (e > 360) {
++                 e = e % 360;
++         }
++
++         while (s < 0) {
++                 s += 360;
++         }
++
++         while (e < s) {
++                 e += 360;
++         }
++
++         if (s == e) {
++                 s = 0; e = 360;
++         }
++  }
++
+   for (i = s; (i <= e); i++)
+     {
+       int x, y;
-- 
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