diff options
author | Markus Friedl <markus@cvs.openbsd.org> | 2013-11-28 20:23:29 +0000 |
---|---|---|
committer | Markus Friedl <markus@cvs.openbsd.org> | 2013-11-28 20:23:29 +0000 |
commit | 2adf2588b575a46151efa2cb3cfa804d58335932 (patch) | |
tree | 37fc4a06e61fa1aaf77682af7476fdc32073a1a6 /sbin/iked/policy.c | |
parent | 721a4229daeaffa6de69ca811e928df6594182e3 (diff) |
sa_new(): discard & free duplicate IKESAs; ok mibek@
Diffstat (limited to 'sbin/iked/policy.c')
-rw-r--r-- | sbin/iked/policy.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sbin/iked/policy.c b/sbin/iked/policy.c index b5ff7235c3a..9b64aeccd6c 100644 --- a/sbin/iked/policy.c +++ b/sbin/iked/policy.c @@ -1,4 +1,4 @@ -/* $OpenBSD: policy.c,v 1.24 2013/10/24 02:55:50 deraadt Exp $ */ +/* $OpenBSD: policy.c,v 1.25 2013/11/28 20:23:28 markus Exp $ */ /* * Copyright (c) 2010-2013 Reyk Floeter <reyk@openbsd.org> @@ -275,6 +275,7 @@ sa_new(struct iked *env, u_int64_t ispi, u_int64_t rspi, u_int initiator, struct iked_policy *pol) { struct iked_sa *sa; + struct iked_sa *old; struct iked_id *localid; u_int diff; @@ -321,7 +322,12 @@ sa_new(struct iked *env, u_int64_t ispi, u_int64_t rspi, sa->sa_hdr.sh_rspi = rspi; /* Re-insert node into the tree */ - RB_INSERT(iked_sas, &env->sc_sas, sa); + old = RB_INSERT(iked_sas, &env->sc_sas, sa); + if (old && old != sa) { + log_debug("%s: duplicate ikesa", __func__); + sa_free(env, sa); + return (NULL); + } return (sa); } |