ported parts of two-sim branch

eap_identity parameter to exchange in eap_identity
	some auth_info/peer_cfg refactorings
	fixed some bugs, introduced new ones

src/charon/sa/tasks/ike_cert_post.c

@@ -97,6 +97,11 @@ static cert_payload_t *build_cert_payload(private_ike_cert_post_t *this, certifi
 	return payload;
 }
 
+/**
+ * from ike_auth.c
+ */
+auth_class_t get_auth_class(peer_cfg_t *config);
+
 /**
  * add certificates to message
  */
@@ -105,7 +110,7 @@ static void build_certs(private_ike_cert_post_t *this, message_t *message)
 	peer_cfg_t *peer_cfg;
 	
 	peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa);
-	if (peer_cfg && peer_cfg->get_auth_method(peer_cfg) == CONF_AUTH_PUBKEY)
+	if (peer_cfg && get_auth_class(peer_cfg) == AUTH_CLASS_PUBKEY)
 	{
 		switch (peer_cfg->get_cert_policy(peer_cfg))
 		{