From 9d35f8c51f1062ddd8e2f41cf535d8a8d69ec6be Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 4 Nov 2010 10:55:48 +0100
Subject: OSPF, RIP: Only accept unicast routes

---
 proto/ospf/ospf.c | 3 +++
 proto/rip/rip.c   | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index a9dc1de..ed82a55 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -468,6 +468,9 @@ ospf_import_control(struct proto *p, rte ** new, ea_list ** attrs,
   if (p == e->attrs->proto)
     return -1;			/* Reject our own routes */
 
+  if (e->attrs->cast != RTC_UNICAST)
+    return -1;
+
   eattr *ea = ea_find(e->attrs->eattrs, EA_GEN_IGP_METRIC);
   u32 m1 = (ea && (ea->u.data < LSINFINITY)) ? ea->u.data : LSINFINITY;
 
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 4b3de2e..920af3a 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -841,6 +841,9 @@ rip_import_control(struct proto *p, struct rte **rt, struct ea_list **attrs, str
   if ((*rt)->attrs->proto == p)	/* My own must not be touched */
     return 1;
 
+  if ((*rt)->attrs->cast != RTC_UNICAST)
+    return -1;
+
   if ((*rt)->attrs->source != RTS_RIP) {
     struct ea_list *new = rip_gen_attrs(pool, 1, 0);
     new->next = *attrs;
-- 
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