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-rw-r--r--tests/oap/oap_client_test.c270
1 files changed, 270 insertions, 0 deletions
diff --git a/tests/oap/oap_client_test.c b/tests/oap/oap_client_test.c
new file mode 100644
index 00000000..e6501cb6
--- /dev/null
+++ b/tests/oap/oap_client_test.c
@@ -0,0 +1,270 @@
+/* Test Osmocom Authentication Protocol */
+/*
+ * (C) 2015 by sysmocom s.f.m.c. GmbH
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/core/application.h>
+#include <osmocom/gsm/oap.h>
+
+#include <openbsc/debug.h>
+#include <openbsc/oap_client.h>
+
+#include <stdio.h>
+#include <string.h>
+
+static void test_oap_api(void)
+{
+ printf("Testing OAP API\n");
+
+ struct oap_client_config _config;
+ struct oap_client_config *config = &_config;
+
+ struct oap_client_state _state;
+ struct oap_client_state *state = &_state;
+
+ struct osmo_oap_message oap_rx;
+ struct msgb *msg_rx;
+
+ struct osmo_oap_message oap_tx;
+ struct msgb *msg_tx;
+
+ memset(config, 0, sizeof(*config));
+ memset(state, 0, sizeof(*state));
+
+ OSMO_ASSERT(osmo_hexparse("0102030405060708090a0b0c0d0e0f10", config->secret_k, 16) == 16);
+ OSMO_ASSERT(osmo_hexparse("1112131415161718191a1b1c1d1e1f20", config->secret_opc, 16) == 16);
+
+ fprintf(stderr, "- make sure filling with zeros means uninitialized\n");
+ OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
+
+ fprintf(stderr, "- reject messages in uninitialized state\n");
+ memset(&oap_rx, 0, sizeof(oap_rx));
+ state->client_id = 1;
+ oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+ OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- NULL config should disable\n");
+ OSMO_ASSERT( oap_client_init(NULL, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+
+ fprintf(stderr, "- reject messages in disabled state\n");
+ memset(state, 0, sizeof(*state));
+ memset(&oap_rx, 0, sizeof(oap_rx));
+ state->state = OAP_DISABLED;
+ state->client_id = 1;
+ oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- invalid client_id and shared secret\n");
+ memset(state, 0, sizeof(*state));
+ config->client_id = 0;
+ config->secret_k_present = 0;
+ config->secret_opc_present = 0;
+ OSMO_ASSERT( oap_client_init(config, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+
+ fprintf(stderr, "- reset state\n");
+ memset(state, 0, sizeof(*state));
+
+ fprintf(stderr, "- only client_id is invalid\n");
+ config->client_id = 0;
+ config->secret_k_present = 1;
+ config->secret_opc_present = 1;
+ OSMO_ASSERT( oap_client_init(config, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+
+ memset(state, 0, sizeof(*state));
+
+ fprintf(stderr, "- valid id, but omitted shared_secret (1/2)\n");
+ config->client_id = 12345;
+ config->secret_k_present = 0;
+ config->secret_opc_present = 1;
+ OSMO_ASSERT( oap_client_init(config, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+
+ memset(state, 0, sizeof(*state));
+
+ fprintf(stderr, "- valid id, but omitted shared_secret (2/2)\n");
+ config->client_id = 12345;
+ config->secret_k_present = 1;
+ config->secret_opc_present = 0;
+ OSMO_ASSERT( oap_client_init(config, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_DISABLED);
+
+ memset(state, 0, sizeof(*state));
+
+
+ fprintf(stderr, "- mint configuration\n");
+ config->client_id = 12345;
+ config->secret_k_present = 1;
+ config->secret_opc_present = 1;
+ /*config->secret_* buffers are still set from the top */
+ OSMO_ASSERT( oap_client_init(config, state) == 0 );
+ OSMO_ASSERT(state->state == OAP_INITIALIZED);
+
+
+ fprintf(stderr, "- Missing challenge data\n");
+ memset(&oap_rx, 0, sizeof(oap_rx));
+ oap_rx.message_type = OAP_MSGT_CHALLENGE_REQUEST;
+ oap_rx.rand_present = 0;
+ oap_rx.autn_present = 0;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- AUTN missing\n");
+ osmo_hexparse("0102030405060708090a0b0c0d0e0f10",
+ oap_rx.rand, 16);
+ oap_rx.rand_present = 1;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- RAND missing\n");
+ oap_rx.rand_present = 0;
+ osmo_hexparse("cec4e3848a33000086781158ca40f136",
+ oap_rx.autn, 16);
+ oap_rx.autn_present = 1;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- wrong autn (by one bit)\n");
+ osmo_hexparse("0102030405060708090a0b0c0d0e0f10",
+ oap_rx.rand, 16);
+ osmo_hexparse("dec4e3848a33000086781158ca40f136",
+ oap_rx.autn, 16);
+ oap_rx.rand_present = 1;
+ oap_rx.autn_present = 1;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+ msgb_free(msg_rx);
+ OSMO_ASSERT(!msg_tx);
+
+ fprintf(stderr, "- all data correct\n");
+ osmo_hexparse("cec4e3848a33000086781158ca40f136",
+ oap_rx.autn, 16);
+ msg_rx = oap_client_encoded(&oap_rx);
+
+ fprintf(stderr, "- but refuse to evaluate in uninitialized state\n");
+ OSMO_ASSERT(state->state == OAP_INITIALIZED);
+
+ state->state = OAP_UNINITIALIZED;
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+ OSMO_ASSERT(!msg_tx);
+
+ state->state = OAP_DISABLED;
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+ OSMO_ASSERT(!msg_tx);
+
+ state->state = OAP_INITIALIZED;
+
+ fprintf(stderr, "- now everything is correct\n");
+ /* a successful return value here indicates correct autn */
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+ msgb_free(msg_rx);
+
+ fprintf(stderr, "- Expect the challenge response in msg_tx\n");
+ OSMO_ASSERT(msg_tx);
+ OSMO_ASSERT(osmo_oap_decode(&oap_tx, msg_tx->data, msg_tx->len) == 0);
+ OSMO_ASSERT(oap_tx.message_type == OAP_MSGT_CHALLENGE_RESULT);
+ OSMO_ASSERT(strcmp("e2d05b598c61d9ba",
+ osmo_hexdump_nospc(oap_tx.xres, sizeof(oap_tx.xres)))
+ == 0);
+ OSMO_ASSERT(state->state == OAP_SENT_CHALLENGE_RESULT);
+ msgb_free(msg_tx);
+ msg_tx = 0;
+
+ struct oap_client_state saved_state = _state;
+
+ fprintf(stderr, "- Receive registration error for the first time.\n");
+
+ memset(&oap_rx, 0, sizeof(oap_rx));
+ oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+ oap_rx.cause = GMM_CAUSE_PROTO_ERR_UNSPEC;
+ msg_rx = oap_client_encoded(&oap_rx);
+
+ OSMO_ASSERT(state->registration_failures == 0);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+ OSMO_ASSERT(state->registration_failures == 1);
+ OSMO_ASSERT(msg_tx);
+ OSMO_ASSERT(osmo_oap_decode(&oap_tx, msg_tx->data, msg_tx->len) == 0);
+ OSMO_ASSERT(oap_tx.message_type == OAP_MSGT_REGISTER_REQUEST);
+ OSMO_ASSERT(state->state == OAP_REQUESTED_CHALLENGE);
+ msgb_free(msg_tx);
+ msg_tx = 0;
+
+ fprintf(stderr, "- Receive registration error for the Nth time.\n");
+ state->registration_failures = 999;
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -11);
+ OSMO_ASSERT(!msg_tx);
+ OSMO_ASSERT(state->state == OAP_INITIALIZED);
+ msgb_free(msg_tx);
+ msg_tx = 0;
+
+ msgb_free(msg_rx);
+
+ fprintf(stderr, "- Registration success\n");
+
+ _state = saved_state;
+ memset(&oap_rx, 0, sizeof(oap_rx));
+ oap_rx.message_type = OAP_MSGT_REGISTER_RESULT;
+ msg_rx = oap_client_encoded(&oap_rx);
+ OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+ OSMO_ASSERT(!msg_tx);
+ OSMO_ASSERT(state->state == OAP_REGISTERED);
+ msgb_free(msg_rx);
+}
+
+static struct log_info_cat oap_client_test_categories[] = {
+};
+
+static struct log_info info = {
+ .cat = oap_client_test_categories,
+ .num_cat = ARRAY_SIZE(oap_client_test_categories),
+};
+
+int main(int argc, char **argv)
+{
+ msgb_talloc_ctx_init(NULL, 0);
+ osmo_init_logging(&info);
+
+ OSMO_ASSERT(osmo_stderr_target);
+ log_set_use_color(osmo_stderr_target, 0);
+ log_set_print_timestamp(osmo_stderr_target, 0);
+ log_set_print_filename(osmo_stderr_target, 0);
+ log_set_print_category(osmo_stderr_target, 1);
+ log_parse_category_mask(osmo_stderr_target, "DLOAP,1");
+
+ test_oap_api();
+ printf("Done\n");
+
+ return 0;
+}
+