245 lines
6.9 KiB
C
245 lines
6.9 KiB
C
/* 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.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
static void test_oap_api(void)
|
|
{
|
|
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 osmo_oap_message oap_rx;
|
|
struct osmo_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(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_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(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;
|
|
|
|
/* 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[] = {
|
|
[DGPRS] = {
|
|
.name = "DGPRS",
|
|
.description = "GPRS Packet Service",
|
|
.enabled = 1, .loglevel = LOGL_DEBUG,
|
|
},
|
|
};
|
|
|
|
static struct log_info info = {
|
|
.cat = gprs_categories,
|
|
.num_cat = ARRAY_SIZE(gprs_categories),
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
msgb_talloc_ctx_init(NULL, 0);
|
|
osmo_init_logging(&info);
|
|
|
|
test_oap_api();
|
|
printf("Done\n");
|
|
|
|
return 0;
|
|
}
|
|
|