From: Ondrej Zajicek (work) <santiago@crfreenet.org>
Date: Thu, 11 Jul 2019 13:31:15 +0000 (+0200)
Subject: OSPF: N-bit should not be set for DBDES packets
X-Git-Tag: v1.6.7~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b72ea4c14f87b2b738341e73c09e79eb138c477;p=thirdparty%2Fbird.git

OSPF: N-bit should not be set for DBDES packets
---

diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index d6904343c..d7d2a0570 100644
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -121,7 +121,7 @@ ospf_prepare_dbdes(struct ospf_proto *p, struct ospf_neighbor *n)
   {
     struct ospf_dbdes2_packet *ps = (void *) pkt;
     ps->iface_mtu = htons(iface_mtu);
-    ps->options = ifa->oa->options;
+    ps->options = ifa->oa->options & ~OPT_N;
     ps->imms = 0;	/* Will be set later */
     ps->ddseq = htonl(n->dds);
     length = sizeof(struct ospf_dbdes2_packet);
@@ -129,7 +129,7 @@ ospf_prepare_dbdes(struct ospf_proto *p, struct ospf_neighbor *n)
   else /* OSPFv3 */
   {
     struct ospf_dbdes3_packet *ps = (void *) pkt;
-    ps->options = htonl(ifa->oa->options);
+    ps->options = htonl(ifa->oa->options & ~OPT_N);
     ps->iface_mtu = htons(iface_mtu);
     ps->padding = 0;
     ps->imms = 0;	/* Will be set later */