diff options
| author |   hshoexer <hshoexer@openbsd.org> | 2005-01-31 10:30:49 +0000 |
|---|---|---|
| committer | hshoexer <hshoexer@openbsd.org> | 2005-01-31 10:30:49 +0000 |
| commit | 4ab75681aa5799b843542222e4d82e3d13b2a639 (patch) | |
| tree | 2b3948fd011b59a9ad7b0a143072086561bd16d8 | |
| parent | Remove unused stuff. (diff) | |
| download | wireguard-openbsd-4ab75681aa5799b843542222e4d82e3d13b2a639.tar.xz wireguard-openbsd-4ab75681aa5799b843542222e4d82e3d13b2a639.zip | |
Avoid dereferencing a NULL pointer
ok msf
| -rw-r--r-- | sbin/isakmpd/exchange.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sbin/isakmpd/exchange.c b/sbin/isakmpd/exchange.c index d5b2f5333e3..8218e21b6a1 100644 --- a/sbin/isakmpd/exchange.c +++ b/sbin/isakmpd/exchange.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exchange.c,v 1.105 2004/12/06 12:28:21 ho Exp $ */ +/* $OpenBSD: exchange.c,v 1.106 2005/01/31 10:30:49 hshoexer Exp $ */ /* $EOM: exchange.c,v 1.143 2000/12/04 00:02:25 angelos Exp $ */ /* @@ -1141,9 +1141,9 @@ exchange_setup_p2(struct message *msg, u_int8_t doi) exchange->cookies + ISAKMP_HDR_ICOOKIE_LEN); GET_ISAKMP_HDR_MESSAGE_ID(buf, exchange->message_id); #if defined (USE_NAT_TRAVERSAL) - if (msg->isakmp_sa->flags & SA_FLAG_NAT_T_ENABLE) + if (msg->isakmp_sa && (msg->isakmp_sa->flags & SA_FLAG_NAT_T_ENABLE)) exchange->flags |= EXCHANGE_FLAG_NAT_T_ENABLE; - if (msg->isakmp_sa->flags & SA_FLAG_NAT_T_KEEPALIVE) + if (msg->isakmp_sa && (msg->isakmp_sa->flags & SA_FLAG_NAT_T_KEEPALIVE)) exchange->flags |= EXCHANGE_FLAG_NAT_T_KEEPALIVE; #endif exchange_enter(exchange); |