From 4fb0f4b557ad7cc532e37875f8ba2141772a5e00 Mon Sep 17 00:00:00 2001
From: acinonyx <acinonyx@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 13 Jul 2012 16:35:41 +0000
Subject: [PATCH] [packages] quagga: Drop heuristics for IPv6 address
 recognition

git-svn-id: svn://svn.openwrt.org/openwrt/packages@32698 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../007-drop-heuristic-ipv6-recognition.patch | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 net/quagga/patches/007-drop-heuristic-ipv6-recognition.patch

diff --git a/net/quagga/patches/007-drop-heuristic-ipv6-recognition.patch b/net/quagga/patches/007-drop-heuristic-ipv6-recognition.patch
new file mode 100644
index 000000000..1a0e6f4c2
--- /dev/null
+++ b/net/quagga/patches/007-drop-heuristic-ipv6-recognition.patch
@@ -0,0 +1,92 @@
+Index: quagga-0.99.21/lib/command.c
+===================================================================
+--- quagga-0.99.21.orig/lib/command.c
++++ quagga-0.99.21/lib/command.c
+@@ -868,86 +868,7 @@ cmd_ipv6_match (const char *str)
+   if (ret == 1)
+     return exact_match;
+ 
+-  while (*str != '\0')
+-    {
+-      switch (state)
+-	{
+-	case STATE_START:
+-	  if (*str == ':')
+-	    {
+-	      if (*(str + 1) != ':' && *(str + 1) != '\0')
+-		return no_match;
+-     	      colons--;
+-	      state = STATE_COLON;
+-	    }
+-	  else
+-	    {
+-	      sp = str;
+-	      state = STATE_ADDR;
+-	    }
+-
+-	  continue;
+-	case STATE_COLON:
+-	  colons++;
+-	  if (*(str + 1) == ':')
+-	    state = STATE_DOUBLE;
+-	  else
+-	    {
+-	      sp = str + 1;
+-	      state = STATE_ADDR;
+-	    }
+-	  break;
+-	case STATE_DOUBLE:
+-	  if (double_colon)
+-	    return no_match;
+-
+-	  if (*(str + 1) == ':')
+-	    return no_match;
+-	  else
+-	    {
+-	      if (*(str + 1) != '\0')
+-		colons++;
+-	      sp = str + 1;
+-	      state = STATE_ADDR;
+-	    }
+-
+-	  double_colon++;
+-	  nums++;
+-	  break;
+-	case STATE_ADDR:
+-	  if (*(str + 1) == ':' || *(str + 1) == '\0')
+-	    {
+-	      if (str - sp > 3)
+-		return no_match;
+-
+-	      nums++;
+-	      state = STATE_COLON;
+-	    }
+-	  if (*(str + 1) == '.')
+-	    state = STATE_DOT;
+-	  break;
+-	case STATE_DOT:
+-	  state = STATE_ADDR;
+-	  break;
+-	default:
+-	  break;
+-	}
+-
+-      if (nums > 8)
+-	return no_match;
+-
+-      if (colons > 7)
+-	return no_match;
+-
+-      str++;
+-    }
+-
+-#if 0
+-  if (nums < 11)
+-    return partly_match;
+-#endif /* 0 */
+-
+-  return exact_match;
++  return no_match;
+ }
+ 
+ static enum match_type