From 99a5775da918d1975fd8a92893a1c6652baa8ba7 Mon Sep 17 00:00:00 2001 From: Masahide NAKAMURA Date: Mon, 5 Feb 2007 00:23:25 +0900 Subject: [BUGFIX] CN: Omit to send BE to non-unicast destination. RFC3775 9.3.3 says that "If the Source Address field does not contain a unicast address, the Binding Error message MUST NOT be sent." This patch makes the daemon not to send BE on such case. --- src/mh.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/src/mh.c b/src/mh.c index 0e946fb..06882d4 100644 --- a/src/mh.c +++ b/src/mh.c @@ -874,6 +874,14 @@ void mh_send_be(struct in6_addr *dst, struct in6_addr *hoa, struct iovec iov; struct in6_addr_bundle out; + if (IN6_IS_ADDR_UNSPECIFIED(dst) || + IN6_IS_ADDR_LOOPBACK(dst) || + IN6_IS_ADDR_MULTICAST(dst)) { + MDBG("Omit BE for non-unicast " + "%x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(dst)); + return; + } + out.remote_coa = NULL; out.local_coa = NULL; be = mh_create(&iov, IP6_MH_TYPE_BERROR); -- 1.5.0.3