restructure code a bit to move closer to initiator mode:

- split responder/initiator- specific code into different functions and use
shared functions for common stuff.
- first parse the received message and store information in the temporary
message struct instead of modifying the ike sa in the parsing code directly.

1 files changed, 3 insertions, 1 deletions

diff --git a/sbin/iked/util.c b/sbin/iked/util.c
index cd54fea4abc..b5bf82ab79b 100644
--- a/sbin/iked/util.c
+++ b/sbin/iked/util.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.c,v 1.3 2010/06/14 08:55:59 reyk Exp $	*/
+/*	$OpenBSD: util.c,v 1.4 2010/06/14 11:33:55 reyk Exp $	*/
 /*	$vantronix: util.c,v 1.39 2010/06/02 12:22:58 reyk Exp $	*/
 
 /*
@@ -891,6 +891,8 @@ ibuf_copy(struct ibuf *buf, size_t len)
 struct ibuf *
 ibuf_dup(struct ibuf *buf)
 {
+	if (buf == NULL)
+		return (NULL);
 	return (ibuf_new(ibuf_data(buf), ibuf_size(buf)));
 }