diff options
author | Claudio Jeker <claudio@cvs.openbsd.org> | 2010-01-11 05:47:52 +0000 |
---|---|---|
committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2010-01-11 05:47:52 +0000 |
commit | 0ba010ae1ef3e0246ed01cbad16714780b943605 (patch) | |
tree | d13522ff5d1129e83cc28260216fb9bb44a1aeb3 /usr.sbin/bgpd/bgpd.c | |
parent | 70ede44dcc23137f8f48af5527c183dc1f9276a7 (diff) |
Do not crash when starting up with a bad config file. Check that
conf.listen_addr is actually valid before deref.
Diffstat (limited to 'usr.sbin/bgpd/bgpd.c')
-rw-r--r-- | usr.sbin/bgpd/bgpd.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/usr.sbin/bgpd/bgpd.c b/usr.sbin/bgpd/bgpd.c index 3d02f5a9210..59ace434811 100644 --- a/usr.sbin/bgpd/bgpd.c +++ b/usr.sbin/bgpd/bgpd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bgpd.c,v 1.152 2009/12/31 15:34:02 claudio Exp $ */ +/* $OpenBSD: bgpd.c,v 1.153 2010/01/11 05:47:51 claudio Exp $ */ /* * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> @@ -365,11 +365,12 @@ main(int argc, char *argv[]) LIST_REMOVE(m, entry); free(m); } - while ((la = TAILQ_FIRST(conf.listen_addrs)) != NULL) { - TAILQ_REMOVE(conf.listen_addrs, la, entry); - close(la->fd); - free(la); - } + if (conf.listen_addrs) + while ((la = TAILQ_FIRST(conf.listen_addrs)) != NULL) { + TAILQ_REMOVE(conf.listen_addrs, la, entry); + close(la->fd); + free(la); + } free(rules_l); control_cleanup(conf.csock); |