[PATCH 4/6] oap: add OAP API test

Sponsored-by: On-Waves ehf --- openbsc/tests/oap/oap_test.c | 193 +++++++++++++++++++++++++++++++++++++++++- openbsc/tests/oap/oap_test.ok | 7 +- 2 files changed, 195 insertions(+), 5 deletions(-) diff --git a/openbsc/tests/oap/oap_test.c b/openbsc/tests/oap/oap_test.c index b03c8dc..9a2063b 100644 --- a/openbsc/tests/oap/oap_test.c +++ b/openbsc/tests/oap/oap_test.c @@ -27,10 +27,195 @@ #include <stdio.h> - -static void test_oap(void) +static void test_oap_api(void) { - printf("not implemented\n"); + printf("Testing OAP API\n - Config parsing\n"); + + struct oap_config _config; + struct oap_config *config = &_config; + + struct oap_state _state; + struct oap_state *state = &_state; + + 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); + + /* make sure filling with zeros means uninitialized */ + OSMO_ASSERT(state->state == OAP_UNINITIALIZED); + + /* invalid client_id and shared secret */ + config->client_id = 0; + config->secret_k_present = 0; + config->secret_opc_present = 0; + OSMO_ASSERT( oap_init(config, state) == 0 ); + OSMO_ASSERT(state->state == OAP_DISABLED); + + /* reset state */ + memset(state, 0, sizeof(*state)); + + /* only client_id is invalid */ + config->client_id = 0; + config->secret_k_present = 1; + config->secret_opc_present = 1; + OSMO_ASSERT( oap_init(config, state) == 0 ); + OSMO_ASSERT(state->state == OAP_DISABLED); + + memset(state, 0, sizeof(*state)); + + /* valid id, but omitted shared_secret (1/2) */ + config->client_id = 12345; + config->secret_k_present = 0; + config->secret_opc_present = 1; + OSMO_ASSERT( oap_init(config, state) == 0 ); + OSMO_ASSERT(state->state == OAP_DISABLED); + + memset(state, 0, sizeof(*state)); + + /* valid id, but omitted shared_secret (2/2) */ + config->client_id = 12345; + config->secret_k_present = 1; + config->secret_opc_present = 0; + OSMO_ASSERT( oap_init(config, state) == 0 ); + OSMO_ASSERT(state->state == OAP_DISABLED); + + memset(state, 0, sizeof(*state)); + + + /* mint configuration */ + 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_init(config, state) == 0 ); + OSMO_ASSERT(state->state == OAP_INITIALIZED); + + printf(" - AUTN failures\n"); + + struct oap_message oap_rx; + struct oap_message oap_tx; + struct msgb *msg_rx; + struct msgb *msg_tx; + + memset(&oap_rx, 0, sizeof(oap_rx)); + + /* Missing challenge data */ + oap_rx.message_type = OAP_MSGT_CHALLENGE_REQUEST; + oap_rx.rand_present = 0; + oap_rx.autn_present = 0; + msg_rx = oap_encoded(&oap_rx); + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -2); + msgb_free(msg_rx); + OSMO_ASSERT(!msg_tx); + + /* AUTN missing */ + osmo_hexparse("0102030405060708090a0b0c0d0e0f10", + oap_rx.rand, 16); + oap_rx.rand_present = 1; + msg_rx = oap_encoded(&oap_rx); + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -2); + msgb_free(msg_rx); + OSMO_ASSERT(!msg_tx); + + /* RAND missing */ + oap_rx.rand_present = 0; + osmo_hexparse("cec4e3848a33000086781158ca40f136", + oap_rx.autn, 16); + oap_rx.autn_present = 1; + msg_rx = oap_encoded(&oap_rx); + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -2); + msgb_free(msg_rx); + OSMO_ASSERT(!msg_tx); + + /* wrong autn (by one bit) */ + 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_encoded(&oap_rx); + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -2); + msgb_free(msg_rx); + OSMO_ASSERT(!msg_tx); + + /* all data correct */ + osmo_hexparse("cec4e3848a33000086781158ca40f136", + oap_rx.autn, 16); + msg_rx = oap_encoded(&oap_rx); + + /* but refuse to evaluate in uninitialized state */ + OSMO_ASSERT(state->state == OAP_INITIALIZED); + + state->state = OAP_UNINITIALIZED; + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -1); + OSMO_ASSERT(!msg_tx); + + state->state = OAP_DISABLED; + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == -1); + OSMO_ASSERT(!msg_tx); + + state->state = OAP_INITIALIZED; + + /* now everything is correct */ + printf(" - AUTN success\n"); + /* a successful return value here indicates correct autn */ + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == 0); + msgb_free(msg_rx); + + /* Expect the challenge response in msg_tx */ + OSMO_ASSERT(msg_tx); + OSMO_ASSERT(oap_decode(msg_tx->data, msg_tx->len, &oap_tx) == 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_state saved_state = _state; + + printf(" - Registration failure\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_encoded(&oap_rx); + + /* Receive registration error for the first time. */ + OSMO_ASSERT(state->registration_failures == 0); + OSMO_ASSERT(oap_handle(state, msg_rx, &msg_tx) == 0); + OSMO_ASSERT(state->registration_failures == 1); + OSMO_ASSERT(msg_tx); + OSMO_ASSERT(oap_decode(msg_tx->data, msg_tx->len, &oap_tx) == 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; + + /* Receive registration error for the Nth time. */ + state->registration_failures = 999; + OSMO_ASSERT(oap_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); + + printf(" - Registration success\n"); + + _state = saved_state; + memset(&oap_rx, 0, sizeof(oap_rx)); + oap_rx.message_type = OAP_MSGT_REGISTER_RESULT; + msg_rx = oap_encoded(&oap_rx); + OSMO_ASSERT(oap_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 gprs_categories[] = { @@ -50,7 +235,7 @@ int main(int argc, char **argv) { osmo_init_logging(&info); - test_oap(); + test_oap_api(); printf("Done\n"); return 0; diff --git a/openbsc/tests/oap/oap_test.ok b/openbsc/tests/oap/oap_test.ok index e411ad9..2e9ecf0 100644 --- a/openbsc/tests/oap/oap_test.ok +++ b/openbsc/tests/oap/oap_test.ok @@ -1,2 +1,7 @@ -not implemented +Testing OAP API + - Config parsing + - AUTN failures + - AUTN success + - Registration failure + - Registration success Done -- 2.1.4