From c1824c4d4c7753246ba26d27c7a3b7be3006d46b Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@network.cz>
Date: Tue, 6 Jun 2000 01:23:03 +0000
Subject: Simple autentication added.

---
 proto/ospf/packet.c | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

(limited to 'proto/ospf/packet.c')

diff --git a/proto/ospf/packet.c b/proto/ospf/packet.c
index 88234da..4b2e772 100644
--- a/proto/ospf/packet.c
+++ b/proto/ospf/packet.c
@@ -31,10 +31,29 @@ fill_ospf_pkt_hdr(struct ospf_iface *ifa, void *buf, u8 h_type)
 void
 ospf_tx_authenticate(struct ospf_iface *ifa, struct ospf_packet *pkt)
 {
-  /* FIXME */
+  int i;
+  pkt->autype=ifa->autype;
+  memcpy(pkt->authetication, ifa->aukey, 8);
   return;
 }
 
+int
+ospf_rx_authenticate(struct ospf_iface *ifa, struct ospf_packet *pkt)
+{
+  int i;
+  if(pkt->autype!=ifa->autype) return 0;
+  if(ifa->autype==AU_NONE) return 1;
+  if(ifa->autype==AU_SIMPLE)
+  {
+    for(i=0;i<8;i++)
+    {
+      if(pkt->authetication[i]!=ifa->aukey[i]) return 0;
+    }
+    return 1;
+  }
+  return 0;
+}
+
 void
 ospf_pkt_finalize(struct ospf_iface *ifa, struct ospf_packet *pkt)
 {
@@ -95,7 +114,12 @@ ospf_rx_hook(sock *sk, int size)
     return(1);
   }
 
-  /* FIXME: Do authetification */
+  if(!ospf_rx_authenticate(ifa,ps))
+  {
+    log("%s: Bad OSPF packet received: bad password", p->name);
+    return(1);
+  }
+
 
   if(ps->areaid!=ifa->an)
   {
-- 
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