unit-tests: Add unit tests for childless IKE_SA initiation
authorTobias Brunner <tobias@strongswan.org>
Tue, 2 Apr 2019 14:44:44 +0000 (16:44 +0200)
committerTobias Brunner <tobias@strongswan.org>
Thu, 25 Apr 2019 13:23:19 +0000 (15:23 +0200)
src/libcharon/tests/Makefile.am
src/libcharon/tests/exchange_tests.h
src/libcharon/tests/suites/test_childless.c [new file with mode: 0644]

index 101b534..1d92501 100644 (file)
@@ -31,6 +31,7 @@ exchange_tests_SOURCES = \
   suites/test_ike_delete.c \
   suites/test_ike_mid_sync.c \
   suites/test_ike_rekey.c \
+  suites/test_childless.c \
   utils/exchange_test_asserts.h utils/exchange_test_asserts.c \
   utils/exchange_test_helper.h utils/exchange_test_helper.c \
   utils/job_asserts.h \
index 6b35ea5..491c25c 100644 (file)
@@ -19,3 +19,4 @@ TEST_SUITE(ike_rekey_suite_create)
 TEST_SUITE(child_create_suite_create)
 TEST_SUITE(child_delete_suite_create)
 TEST_SUITE(child_rekey_suite_create)
+TEST_SUITE(childless_suite_create)
diff --git a/src/libcharon/tests/suites/test_childless.c b/src/libcharon/tests/suites/test_childless.c
new file mode 100644 (file)
index 0000000..6ac02aa
--- /dev/null
@@ -0,0 +1,293 @@
+/*
+ * 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;
+}