--- /dev/null
+/*
+ * Copyright (C) 2019 Tobias Brunner
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "test_suite.h"
+
+#include <daemon.h>
+#include <tests/utils/exchange_test_helper.h>
+#include <tests/utils/exchange_test_asserts.h>
+#include <tests/utils/sa_asserts.h>
+
+/**
+ * Childless initiation of the IKE_SA. The first CHILD_SA is automatically
+ * initiated in a separate CREATE_CHILD_SA exchange including DH.
+ */
+START_TEST(test_regular)
+{
+ exchange_test_sa_conf_t conf = {
+ .initiator = {
+ .childless = CHILDLESS_FORCE,
+ .esp = "aes128-sha256-modp3072",
+ },
+ .responder = {
+ .esp = "aes128-sha256-modp3072",
+ },
+ };
+ ike_sa_t *a, *b;
+ ike_sa_id_t *id_a, *id_b;
+ child_cfg_t *child_cfg;
+
+ child_cfg = exchange_test_helper->create_sa(exchange_test_helper, &a, &b,
+ &conf);
+ id_a = a->get_id(a);
+ id_b = b->get_id(b);
+
+ call_ikesa(a, initiate, child_cfg, 0, NULL, NULL);
+
+ /* IKE_SA_INIT --> */
+ id_b->set_initiator_spi(id_b, id_a->get_initiator_spi(id_a));
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ /* <-- IKE_SA_INIT */
+ assert_notify(IN, CHILDLESS_IKEV2_SUPPORTED);
+ id_a->set_responder_spi(id_a, id_b->get_responder_spi(id_b));
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+
+ /* IKE_AUTH --> */
+ assert_hook_not_called(child_updown);
+ assert_no_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_no_payload(IN, PLV2_TS_INITIATOR);
+ assert_no_payload(IN, PLV2_TS_RESPONDER);
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+
+ /* <-- IKE_AUTH */
+ assert_no_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_no_payload(IN, PLV2_TS_INITIATOR);
+ assert_no_payload(IN, PLV2_TS_RESPONDER);
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+ assert_child_sa_count(a, 0);
+ assert_child_sa_count(b, 0);
+ assert_hook();
+
+ /* CREATE_CHILD_SA { SA, Ni, KEi, TSi, TSr } --> */
+ assert_hook_called(child_updown);
+ assert_payload(IN, PLV2_KEY_EXCHANGE);
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ assert_child_sa_count(b, 1);
+ assert_hook();
+
+ /* <-- CREATE_CHILD_SA { SA, Ni, KEi } */
+ assert_hook_called(child_updown);
+ assert_payload(IN, PLV2_KEY_EXCHANGE);
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+ assert_child_sa_count(a, 1);
+ assert_hook();
+
+ assert_sa_idle(a);
+ assert_sa_idle(b);
+
+ call_ikesa(a, destroy);
+ call_ikesa(b, destroy);
+}
+END_TEST
+
+/**
+ * Childless initiation of the IKE_SA, no CHILD_SA created automatically.
+ * It's created with a separate initiation and exchange afterwards.
+ */
+START_TEST(test_regular_manual)
+{
+ exchange_test_sa_conf_t conf = {
+ .initiator = {
+ .esp = "aes128-sha256-modp3072",
+ },
+ .responder = {
+ .esp = "aes128-sha256-modp3072",
+ },
+ };
+ ike_sa_t *a, *b;
+ ike_sa_id_t *id_a, *id_b;
+ child_cfg_t *child_cfg;
+
+ child_cfg = exchange_test_helper->create_sa(exchange_test_helper, &a, &b,
+ &conf);
+ id_a = a->get_id(a);
+ id_b = b->get_id(b);
+
+ call_ikesa(a, initiate, NULL, 0, NULL, NULL);
+
+ /* IKE_SA_INIT --> */
+ id_b->set_initiator_spi(id_b, id_a->get_initiator_spi(id_a));
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ /* <-- IKE_SA_INIT */
+ assert_notify(IN, CHILDLESS_IKEV2_SUPPORTED);
+ id_a->set_responder_spi(id_a, id_b->get_responder_spi(id_b));
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+
+ /* IKE_AUTH --> */
+ assert_hook_not_called(child_updown);
+ assert_no_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_no_payload(IN, PLV2_TS_INITIATOR);
+ assert_no_payload(IN, PLV2_TS_RESPONDER);
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+
+ /* <-- IKE_AUTH */
+ assert_no_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_no_payload(IN, PLV2_TS_INITIATOR);
+ assert_no_payload(IN, PLV2_TS_RESPONDER);
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+ assert_child_sa_count(a, 0);
+ assert_child_sa_count(b, 0);
+ assert_hook();
+
+ assert_sa_idle(a);
+ assert_sa_idle(b);
+
+ call_ikesa(a, initiate, child_cfg, 0, NULL, NULL);
+
+ /* CREATE_CHILD_SA { SA, Ni, KEi, TSi, TSr } --> */
+ assert_hook_called(child_updown);
+ assert_payload(IN, PLV2_KEY_EXCHANGE);
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ assert_child_sa_count(b, 1);
+ assert_hook();
+
+ /* <-- CREATE_CHILD_SA { SA, Ni, KEi } */
+ assert_hook_called(child_updown);
+ assert_payload(IN, PLV2_KEY_EXCHANGE);
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+ assert_child_sa_count(a, 1);
+ assert_hook();
+
+ assert_sa_idle(a);
+ assert_sa_idle(b);
+
+ call_ikesa(a, destroy);
+ call_ikesa(b, destroy);
+}
+END_TEST
+
+/**
+ * The initiator aborts the initiation once it notices the responder does not
+ * support childless IKE_SAs.
+ */
+START_TEST(test_failure_init)
+{
+ exchange_test_sa_conf_t conf = {
+ .initiator = {
+ .childless = CHILDLESS_FORCE,
+ },
+ .responder = {
+ .childless = CHILDLESS_NEVER,
+ },
+ };
+ ike_sa_t *a, *b;
+ ike_sa_id_t *id_a, *id_b;
+ child_cfg_t *child_cfg;
+ status_t status;
+
+ child_cfg = exchange_test_helper->create_sa(exchange_test_helper, &a, &b,
+ &conf);
+ id_a = a->get_id(a);
+ id_b = b->get_id(b);
+
+ call_ikesa(a, initiate, child_cfg, 0, NULL, NULL);
+
+ /* IKE_SA_INIT --> */
+ id_b->set_initiator_spi(id_b, id_a->get_initiator_spi(id_a));
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ /* <-- IKE_SA_INIT */
+ assert_no_notify(IN, CHILDLESS_IKEV2_SUPPORTED);
+ id_a->set_responder_spi(id_a, id_b->get_responder_spi(id_b));
+ status = exchange_test_helper->process_message(exchange_test_helper, a,
+ NULL);
+ ck_assert_int_eq(DESTROY_ME, status);
+
+ call_ikesa(a, destroy);
+ call_ikesa(b, destroy);
+}
+END_TEST
+
+/**
+ * The responder aborts the initiation once it notices the initiator does not
+ * create a childless IKE_SA.
+ */
+START_TEST(test_failure_resp)
+{
+ exchange_test_sa_conf_t conf = {
+ .initiator = {
+ .childless = CHILDLESS_NEVER,
+ },
+ .responder = {
+ .childless = CHILDLESS_FORCE,
+ },
+ };
+ ike_sa_t *a, *b;
+ ike_sa_id_t *id_a, *id_b;
+ child_cfg_t *child_cfg;
+ status_t status;
+
+ child_cfg = exchange_test_helper->create_sa(exchange_test_helper, &a, &b,
+ &conf);
+ id_a = a->get_id(a);
+ id_b = b->get_id(b);
+
+ call_ikesa(a, initiate, child_cfg, 0, NULL, NULL);
+
+ /* IKE_SA_INIT --> */
+ id_b->set_initiator_spi(id_b, id_a->get_initiator_spi(id_a));
+ exchange_test_helper->process_message(exchange_test_helper, b, NULL);
+ /* <-- IKE_SA_INIT */
+ assert_notify(IN, CHILDLESS_IKEV2_SUPPORTED);
+ id_a->set_responder_spi(id_a, id_b->get_responder_spi(id_b));
+ exchange_test_helper->process_message(exchange_test_helper, a, NULL);
+
+ /* IKE_AUTH --> */
+ assert_hook_not_called(child_updown);
+ assert_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_payload(IN, PLV2_TS_INITIATOR);
+ assert_payload(IN, PLV2_TS_RESPONDER);
+ status = exchange_test_helper->process_message(exchange_test_helper, b,
+ NULL);
+ ck_assert_int_eq(DESTROY_ME, status);
+ assert_hook();
+
+ /* <-- IKE_AUTH */
+ assert_hook_not_called(child_updown);
+ assert_no_payload(IN, PLV2_SECURITY_ASSOCIATION);
+ assert_no_payload(IN, PLV2_TS_INITIATOR);
+ assert_no_payload(IN, PLV2_TS_RESPONDER);
+ assert_notify(IN, INVALID_SYNTAX);
+ status = exchange_test_helper->process_message(exchange_test_helper, a,
+ NULL);
+ ck_assert_int_eq(DESTROY_ME, status);
+ assert_hook();
+
+ assert_sa_idle(a);
+ assert_sa_idle(b);
+
+ call_ikesa(a, destroy);
+ call_ikesa(b, destroy);
+}
+END_TEST
+
+Suite *childless_suite_create()
+{
+ Suite *s;
+ TCase *tc;
+
+ s = suite_create("childless");
+
+ tc = tcase_create("initiation");
+ tcase_add_test(tc, test_regular);
+ tcase_add_test(tc, test_regular_manual);
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("failure");
+ tcase_add_test(tc, test_failure_init);
+ tcase_add_test(tc, test_failure_resp);
+ suite_add_tcase(s, tc);
+
+ return s;
+}