From 4ac7c8341c660db654821ed2dc0273645dc19645 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 9 Nov 2009 23:22:53 +0100
Subject: Use IPv6 checksums in OSPFv3.

---
 proto/ospf/iface.c  | 6 ++++++
 proto/ospf/packet.c | 1 -
 2 files changed, 6 insertions(+), 1 deletion(-)

(limited to 'proto')

diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 9b65961d..e98414f2 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -89,6 +89,12 @@ ospf_open_socket(struct ospf_iface *ifa, int mc)
   if (sk_open(ipsk) != 0)
     goto err;
 
+#ifdef OSPFv3
+  /* 12 is an offset of the checksum in an OSPF packet */
+  if (sk_set_ipv6_checksum(ipsk, 12) < 0)
+    goto err;
+#endif
+
   if (mc)
   {
     if (sk_setup_multicast(ipsk) < 0)
diff --git a/proto/ospf/packet.c b/proto/ospf/packet.c
index 9422a9f3..94ec0109 100644
--- a/proto/ospf/packet.c
+++ b/proto/ospf/packet.c
@@ -320,7 +320,6 @@ ospf_rx_hook(sock * sk, int size)
     return 1;
   }
 
-  /* FIXME - handle checksums in OSPFv3  */ 
 #ifdef OSPFv2
   if ((ps->autype != htons(OSPF_AUTH_CRYPT)) &&
       (!ipsum_verify(ps, 16, (void *) ps + sizeof(struct ospf_packet),
-- 
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