| /* |
| * BSC Message filtering |
| * |
| * (C) 2013 by sysmocom s.f.m.c. GmbH |
| * Written by Jacob Erlbeck <jerlbeck@sysmocom.de> |
| * (C) 2010-2013 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010-2013 by On-Waves |
| * |
| * 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 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/bsc/debug.h> |
| #include <osmocom/bsc/gsm_data.h> |
| |
| #include <osmocom/bsc/osmo_bsc.h> |
| #include <osmocom/bsc/bsc_msc_data.h> |
| #include <osmocom/bsc/gsm_04_80.h> |
| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/backtrace.h> |
| #include <osmocom/core/talloc.h> |
| |
| #include <stdio.h> |
| #include <search.h> |
| |
| void *ctx = NULL; |
| |
| enum test { |
| TEST_SCAN_TO_BTS, |
| }; |
| |
| /* GSM 04.08 MM INFORMATION test message */ |
| static uint8_t gsm48_mm_info_nn_tzt[] = { |
| 0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb, |
| 0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61, |
| 0x11, 0x02, 0x73, 0x00, |
| }; |
| |
| static uint8_t gsm48_mm_info_nn_tzt_out[] = { |
| 0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb, |
| 0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61, |
| 0x11, 0x02, 0x73, 0x1a, |
| }; |
| |
| static uint8_t gsm48_mm_info_nn_tzt_dst[] = { |
| 0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb, |
| 0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61, |
| 0x11, 0x02, 0x73, 0x00, 0x49, 0x01, 0x00, |
| }; |
| |
| static uint8_t gsm48_mm_info_nn_tzt_dst_out[] = { |
| 0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb, |
| 0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61, |
| 0x11, 0x02, 0x73, 0x1a, 0x49, 0x01, 0x02, |
| }; |
| |
| struct test_definition { |
| const uint8_t *data; |
| const uint16_t length; |
| const int dir; |
| const int result; |
| const uint8_t *out_data; |
| const uint16_t out_length; |
| const char* params; |
| const int n_params; |
| }; |
| |
| static int get_int(const char *params, size_t nmemb, const char *key, int def, int *is_set) |
| { |
| const char *kv = NULL; |
| |
| kv = strstr(params, key); |
| if (kv) { |
| kv += strlen(key) + 1; |
| fprintf(stderr, "get_int(%s) -> %d\n", key, atoi(kv)); |
| if (is_set) |
| *is_set = 1; |
| } |
| |
| return kv ? atoi(kv) : def; |
| } |
| |
| static const struct test_definition test_scan_defs[] = { |
| { |
| .data = gsm48_mm_info_nn_tzt_dst, |
| .length = ARRAY_SIZE(gsm48_mm_info_nn_tzt), |
| .dir = TEST_SCAN_TO_BTS, |
| .result = 0, |
| .out_data = gsm48_mm_info_nn_tzt_dst_out, |
| .out_length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_out), |
| .params = "tz_hr=-5 tz_mn=15 tz_dst=2", |
| .n_params = 3, |
| }, |
| { |
| .data = gsm48_mm_info_nn_tzt_dst, |
| .length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_dst), |
| .dir = TEST_SCAN_TO_BTS, |
| .result = 0, |
| .out_data = gsm48_mm_info_nn_tzt_dst_out, |
| .out_length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_dst_out), |
| .params = "tz_hr=-5 tz_mn=15 tz_dst=2", |
| .n_params = 3, |
| }, |
| }; |
| |
| static void test_scan(void) |
| { |
| int i; |
| |
| struct gsm_network *net = gsm_network_init(ctx); |
| struct gsm_bts *bts = gsm_bts_alloc(net, 0); |
| struct bsc_msc_data *msc; |
| struct gsm_subscriber_connection *conn; |
| |
| msc = talloc_zero(net, struct bsc_msc_data); |
| conn = talloc_zero(net, struct gsm_subscriber_connection); |
| |
| bts->network = net; |
| conn->sccp.msc = msc; |
| conn->lchan = &bts->c0->ts[1].lchan[0]; |
| |
| /* start testing with proper messages */ |
| printf("Testing BTS<->MSC message scan.\n"); |
| for (i = 0; i < ARRAY_SIZE(test_scan_defs); ++i) { |
| const struct test_definition *test_def = &test_scan_defs[i]; |
| int result; |
| struct msgb *msg = msgb_alloc(4096, "test-message"); |
| int is_set = 0; |
| |
| net->tz.hr = get_int(test_def->params, test_def->n_params, "tz_hr", 0, &is_set); |
| net->tz.mn = get_int(test_def->params, test_def->n_params, "tz_mn", 0, &is_set); |
| net->tz.dst = get_int(test_def->params, test_def->n_params, "tz_dst", 0, &is_set); |
| net->tz.override = 1; |
| |
| printf("Going to test item: %d\n", i); |
| msg->l3h = msgb_put(msg, test_def->length); |
| memcpy(msg->l3h, test_def->data, test_def->length); |
| |
| switch (test_def->dir) { |
| case TEST_SCAN_TO_BTS: |
| /* override timezone of msg coming from the MSC */ |
| result = bsc_scan_msc_msg(conn, msg); |
| break; |
| default: |
| abort(); |
| break; |
| } |
| |
| if (result != test_def->result) { |
| printf("FAIL: Not the expected result, got: %d wanted: %d\n", |
| result, test_def->result); |
| goto out; |
| } |
| |
| if (msgb_l3len(msg) != test_def->out_length) { |
| printf("FAIL: Not the expected message size, got: %d wanted: %d\n", |
| msgb_l3len(msg), test_def->out_length); |
| goto out; |
| } |
| |
| if (memcmp(msgb_l3(msg), test_def->out_data, test_def->out_length) != 0) { |
| printf("FAIL: Not the expected message\n"); |
| goto out; |
| } |
| |
| out: |
| msgb_free(msg); |
| } |
| |
| talloc_free(net); |
| } |
| |
| static const struct log_info_cat log_categories[] = { |
| [DNM] = { |
| .name = "DNM", |
| .description = "A-bis Network Management / O&M (NM/OML)", |
| .color = "\033[1;36m", |
| .enabled = 1, .loglevel = LOGL_INFO, |
| }, |
| [DNAT] = { |
| .name = "DNAT", |
| .description = "GSM 08.08 NAT/Multiplexer", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DMSC] = { |
| .name = "DMSC", |
| .description = "Mobile Switching Center", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DCTRL] = { |
| .name = "DCTRL", |
| .description = "Control interface", |
| .enabled = 1, .loglevel = LOGL_NOTICE, |
| }, |
| [DFILTER] = { |
| .name = "DFILTER", |
| .description = "BSC/NAT IMSI based filtering", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| }; |
| |
| static const struct log_info log_info = { |
| .cat = log_categories, |
| .num_cat = ARRAY_SIZE(log_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| ctx = talloc_named_const(NULL, 0, "bsc-test"); |
| msgb_talloc_ctx_init(ctx, 0); |
| osmo_init_logging2(ctx, &log_info); |
| |
| test_scan(); |
| |
| printf("Testing execution completed.\n"); |
| talloc_free(ctx); |
| return 0; |
| } |
| |
| struct gsm_subscriber_connection *bsc_subscr_con_allocate(struct gsm_network *net) { |
| OSMO_ASSERT(0); |
| } |
| |
| void bsc_sapi_n_reject(struct gsm_subscriber_connection *conn, int dlci) {} |
| void bsc_cipher_mode_compl(struct gsm_subscriber_connection *conn, struct msgb *msg, uint8_t chosen_encr) {} |
| int bsc_compl_l3(struct gsm_subscriber_connection *conn, struct msgb *msg, uint16_t chosen_channel) |
| { return 0; } |
| void bsc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg) {} |
| void bsc_assign_compl(struct gsm_subscriber_connection *conn, uint8_t rr_cause) {} |
| void bsc_assign_fail(struct gsm_subscriber_connection *conn, uint8_t cause, uint8_t *rr_cause) {} |
| int bsc_clear_request(struct gsm_subscriber_connection *conn, uint32_t cause) |
| { return 0; } |
| void bsc_cm_update(struct gsm_subscriber_connection *conn, |
| const uint8_t *cm2, uint8_t cm2_len, |
| const uint8_t *cm3, uint8_t cm3_len) {} |
| void gscon_submit_rsl_dtap(struct gsm_subscriber_connection *conn, |
| struct msgb *msg, int link_id, int allow_sacch) {} |
| void ts_fsm_alloc(struct gsm_bts_trx_ts *ts) {} |
| void lchan_activate(struct gsm_lchan *lchan, void *info) {} |