From 3e40f3e795e39f0b92445fd5295382220077c77f Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Tue, 27 Nov 2012 01:25:47 +0100
Subject: [PATCH] Fixes setting of route attributes of type router id.

---
 filter/filter.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/filter/filter.c b/filter/filter.c
index 49b67391..fb2034ee 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -956,11 +956,25 @@ interpret(struct f_inst *what)
       l->attrs[0].type = what->aux | EAF_ORIGINATED;
       switch (what->aux & EAF_TYPE_MASK) {
       case EAF_TYPE_INT:
-      case EAF_TYPE_ROUTER_ID:
 	if (v1.type != T_INT)
 	  runtime( "Setting int attribute to non-int value" );
 	l->attrs[0].u.data = v1.val.i;
 	break;
+
+      case EAF_TYPE_ROUTER_ID:
+#ifndef IPV6
+	/* IP->Quad implicit conversion */
+	if (v1.type == T_IP) {
+	  l->attrs[0].u.data = ipa_to_u32(v1.val.px.ip);
+	  break;
+	}
+#endif
+	/* T_INT for backward compatibility */
+	if ((v1.type != T_QUAD) && (v1.type != T_INT))
+	  runtime( "Setting quad attribute to non-quad value" );
+	l->attrs[0].u.data = v1.val.i;
+	break;
+
       case EAF_TYPE_OPAQUE:
 	runtime( "Setting opaque attribute is not allowed" );
 	break;