| /* Test Osmocom Authentication Protocol */ |
| /* |
| * (C) 2016 by sysmocom - s.f.m.c. GmbH |
| * Author: Neels Hofmeyr |
| * All Rights Reserved |
| * |
| * |
| * 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. |
| * |
| * 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 <osmocom/core/application.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/gsm/oap.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdbool.h> |
| |
| static struct msgb *oap_encoded(const struct osmo_oap_message *oap_msg) |
| { |
| struct msgb *msgb = msgb_alloc_headroom(1000, 64, __func__); |
| OSMO_ASSERT(msgb); |
| osmo_oap_encode(msgb, oap_msg); |
| return msgb; |
| } |
| |
| static bool encode_decode_makes_same_msg(struct osmo_oap_message *oap_msg) |
| { |
| struct osmo_oap_message oap_msg_decoded; |
| struct msgb *msgb; |
| int rc; |
| bool result; |
| memset(&oap_msg_decoded, 0, sizeof(oap_msg_decoded)); |
| |
| msgb = oap_encoded(oap_msg); |
| printf("encoded message:\n%s\n", |
| osmo_hexdump((void*)msgb_l2(msgb), msgb_l2len(msgb))); |
| rc = osmo_oap_decode(&oap_msg_decoded, msgb_l2(msgb), msgb_l2len(msgb)); |
| |
| if (rc) { |
| printf("osmo_oap_decode() returned error: %d\n", rc); |
| result = false; |
| goto free_msgb; |
| } |
| |
| rc = memcmp(oap_msg, &oap_msg_decoded, sizeof(oap_msg_decoded)); |
| if (rc) { |
| printf("decoded message mismatches encoded message\n"); |
| printf("original:\n%s\n", |
| osmo_hexdump((void*)oap_msg, sizeof(*oap_msg))); |
| printf("en- and decoded:\n%s\n", |
| osmo_hexdump((void*)&oap_msg_decoded, sizeof(oap_msg_decoded))); |
| result = false; |
| goto free_msgb; |
| } |
| |
| printf("ok\n"); |
| result = true; |
| |
| free_msgb: |
| talloc_free(msgb); |
| return result; |
| } |
| |
| static void test_oap_messages_dec_enc(void) |
| { |
| printf("Testing OAP messages\n"); |
| |
| struct osmo_oap_message oap_msg; |
| |
| #define CLEAR() memset(&oap_msg, 0, sizeof(oap_msg)) |
| #define CHECK() OSMO_ASSERT(encode_decode_makes_same_msg(&oap_msg)) |
| |
| printf("- Register Request\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_REGISTER_REQUEST; |
| oap_msg.client_id = 0x2342; |
| CHECK(); |
| |
| printf("- Register Error\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_REGISTER_ERROR; |
| oap_msg.cause = GMM_CAUSE_PROTO_ERR_UNSPEC; |
| CHECK(); |
| |
| printf("- Register Result\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_REGISTER_RESULT; |
| CHECK(); |
| |
| printf("- Challenge Request, no rand, no autn\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_REQUEST; |
| oap_msg.rand_present = 0; |
| oap_msg.autn_present = 0; |
| CHECK(); |
| |
| printf("- Challenge Request, with rand, no autn\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_REQUEST; |
| osmo_hexparse("0102030405060708090a0b0c0d0e0f10", |
| oap_msg.rand, 16); |
| oap_msg.rand_present = 1; |
| oap_msg.autn_present = 0; |
| CHECK(); |
| |
| printf("- Challenge Request, no rand, with autn\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_REQUEST; |
| oap_msg.rand_present = 0; |
| osmo_hexparse("cec4e3848a33000086781158ca40f136", |
| oap_msg.autn, 16); |
| oap_msg.autn_present = 1; |
| CHECK(); |
| |
| printf("- Challenge Request, with rand, with autn\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_REQUEST; |
| osmo_hexparse("0102030405060708090a0b0c0d0e0f10", |
| oap_msg.rand, 16); |
| oap_msg.rand_present = 1; |
| osmo_hexparse("cec4e3848a33000086781158ca40f136", |
| oap_msg.autn, 16); |
| oap_msg.autn_present = 1; |
| CHECK(); |
| |
| printf("- Challenge Error\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_ERROR; |
| oap_msg.cause = GMM_CAUSE_GSM_AUTH_UNACCEPT; |
| CHECK(); |
| |
| printf("- Challenge Result\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_CHALLENGE_RESULT; |
| osmo_hexparse("0102030405060708", |
| oap_msg.xres, 8); |
| oap_msg.xres_present = 1; |
| CHECK(); |
| |
| printf("- Sync Request\n"); |
| CLEAR(); |
| oap_msg.message_type = OAP_MSGT_SYNC_REQUEST; |
| osmo_hexparse("102030405060708090a0b0c0d0e0", |
| oap_msg.auts, 14); |
| oap_msg.auts_present = 1; |
| CHECK(); |
| |
| /* Sync Error and Sync Result are not used in OAP */ |
| } |
| |
| const struct log_info_cat default_categories[] = { |
| }; |
| |
| static struct log_info info = { |
| .cat = default_categories, |
| .num_cat = ARRAY_SIZE(default_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| void *ctx = talloc_named_const(NULL, 0, "oap_test"); |
| osmo_init_logging2(ctx, &info); |
| msgb_talloc_ctx_init(ctx, 0); |
| |
| test_oap_messages_dec_enc(); |
| |
| printf("Done.\n"); |
| return EXIT_SUCCESS; |
| } |