Merge branch 'ikev1'

Conflicts:
	configure.in
	man/ipsec.conf.5.in
	src/libcharon/encoding/generator.c
	src/libcharon/encoding/payloads/notify_payload.c
	src/libcharon/encoding/payloads/notify_payload.h
	src/libcharon/encoding/payloads/payload.c
	src/libcharon/network/receiver.c
	src/libcharon/sa/authenticator.c
	src/libcharon/sa/authenticator.h
	src/libcharon/sa/ikev2/tasks/ike_init.c
	src/libcharon/sa/task_manager.c
	src/libstrongswan/credentials/auth_cfg.c

src/libstrongswan/credentials/auth_cfg.h

@@ -42,6 +42,8 @@ enum auth_class_t {
 	AUTH_CLASS_PSK = 2,
 	/** authentication using EAP */
 	AUTH_CLASS_EAP = 3,
+	/** authentication using IKEv1 XAUTH */
+	AUTH_CLASS_XAUTH = 4,
 };
 
 /**
@@ -75,6 +77,10 @@ enum auth_rule_t {
 	AUTH_RULE_EAP_TYPE,
 	/** EAP vendor for vendor specific type, u_int32_t */
 	AUTH_RULE_EAP_VENDOR,
+	/** XAUTH backend name to use, char* */
+	AUTH_RULE_XAUTH_BACKEND,
+	/** XAuth identity to use or require, identification_t* */
+	AUTH_RULE_XAUTH_IDENTITY,
 	/** certificate authority, certificate_t* */
 	AUTH_RULE_CA_CERT,
 	/** intermediate certificate in trustchain, certificate_t* */