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authorOndrej Zajicek <santiago@crfreenet.org>2013-04-16 17:40:44 +0200
committerOndrej Zajicek <santiago@crfreenet.org>2013-04-16 17:40:44 +0200
commit8bd9b930c320f09d3b3792b5f991cf702e9d55be (patch)
tree87f6e66b1a9d302d703bc2fb7af804658681c927 /proto/bgp/packets.c
parent48bc232f08141d26691237c3d79db587ce16932b (diff)
Fixes a bug in IPv6 BGP next hop processing.
BGP next hop attributes with empty link-local IPv6 addresses were not handled properly. Thanks to Sergey Popovich for the bugfix.
Diffstat (limited to 'proto/bgp/packets.c')
-rw-r--r--proto/bgp/packets.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c
index cfa37fb5..f2e03f87 100644
--- a/proto/bgp/packets.c
+++ b/proto/bgp/packets.c
@@ -820,7 +820,7 @@ bgp_set_next_hop(struct bgp_proto *p, rta *a)
ip_addr *nexthop = (ip_addr *) nh->u.ptr->data;
#ifdef IPV6
- int second = (nh->u.ptr->length == NEXT_HOP_LENGTH);
+ int second = (nh->u.ptr->length == NEXT_HOP_LENGTH) && ipa_nonzero(nexthop[1]);
/* First address should not be link-local, but may be zero in direct mode */
if (ipa_has_link_scope(*nexthop))