From: Martin Willi <martin@revosec.ch>
Date: Tue, 6 Nov 2012 10:01:49 +0000 (+0100)
Subject: Raise an alert if IKE proposals mismatch
X-Git-Tag: 5.0.2dr4~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bab949bb260fe5d863cf1614e77cd6cbd5c000d8;p=thirdparty%2Fstrongswan.git

Raise an alert if IKE proposals mismatch
---

diff --git a/src/libcharon/bus/bus.h b/src/libcharon/bus/bus.h
index 4f2412707e..433658ab76 100644
--- a/src/libcharon/bus/bus.h
+++ b/src/libcharon/bus/bus.h
@@ -107,6 +107,8 @@ enum alert_t {
 	ALERT_RETRANSMIT_SEND_TIMEOUT,
 	/** received a retransmit for a message, argument is message_t */
 	ALERT_RETRANSMIT_RECEIVE,
+	/** IKE proposals do not match, argument is linked_list_t of proposal_t */
+	ALERT_PROPOSAL_MISMATCH_IKE,
 };
 
 /**
diff --git a/src/libcharon/sa/ikev2/tasks/ike_init.c b/src/libcharon/sa/ikev2/tasks/ike_init.c
index f2a06735e7..e2960273ca 100644
--- a/src/libcharon/sa/ikev2/tasks/ike_init.c
+++ b/src/libcharon/sa/ikev2/tasks/ike_init.c
@@ -187,6 +187,11 @@ static void process_payloads(private_ike_init_t *this, message_t *message)
 														   EXT_STRONGSWAN);
 				this->proposal = this->config->select_proposal(this->config,
 														proposal_list, private);
+				if (!this->proposal)
+				{
+					charon->bus->alert(charon->bus, ALERT_PROPOSAL_MISMATCH_IKE,
+									   proposal_list);
+				}
 				proposal_list->destroy_offset(proposal_list,
 											  offsetof(proposal_t, destroy));
 				break;