Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 1 | /* A hackish minimal BSC (+MSC +HLR) implementation */ |
| 2 | |
Harald Welte | 0677061 | 2010-01-12 10:46:27 +0100 | [diff] [blame] | 3 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
Holger Freyther | 219518d | 2009-01-02 22:04:43 +0000 | [diff] [blame] | 4 | * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
| 22 | |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 23 | #include <unistd.h> |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 24 | #include <time.h> |
Harald Welte | ad38464 | 2008-12-26 10:20:07 +0000 | [diff] [blame] | 25 | #include <errno.h> |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 26 | #include <signal.h> |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 27 | #include <fcntl.h> |
| 28 | #include <sys/stat.h> |
Harald Welte | 52b1f98 | 2008-12-23 20:25:15 +0000 | [diff] [blame] | 29 | |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 30 | #define _GNU_SOURCE |
| 31 | #include <getopt.h> |
| 32 | |
Harald Welte | 255539c | 2008-12-28 02:26:27 +0000 | [diff] [blame] | 33 | #include <openbsc/db.h> |
Harald Welte | dfe6c7d | 2010-02-20 16:24:02 +0100 | [diff] [blame] | 34 | #include <osmocore/select.h> |
Harald Welte | 702d870 | 2008-12-26 20:25:35 +0000 | [diff] [blame] | 35 | #include <openbsc/debug.h> |
Harald Welte | 1fa60c8 | 2009-02-09 18:13:26 +0000 | [diff] [blame] | 36 | #include <openbsc/e1_input.h> |
Harald Welte | dfe6c7d | 2010-02-20 16:24:02 +0100 | [diff] [blame] | 37 | #include <osmocore/talloc.h> |
Harald Welte | 3961fcc | 2009-11-30 19:37:18 +0100 | [diff] [blame] | 38 | #include <openbsc/signal.h> |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 39 | |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 40 | #include "../bscconfig.h" |
| 41 | |
Holger Freyther | efde7fb | 2008-12-28 14:14:56 +0000 | [diff] [blame] | 42 | /* MCC and MNC for the Location Area Identifier */ |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 43 | static struct debug_target *stderr_target; |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 44 | struct gsm_network *bsc_gsmnet = 0; |
Holger Freyther | bde3610 | 2008-12-28 22:51:39 +0000 | [diff] [blame] | 45 | static const char *database_name = "hlr.sqlite3"; |
Holger Hans Peter Freyther | d5d1cef | 2009-08-10 08:39:27 +0200 | [diff] [blame] | 46 | static const char *config_file = "openbsc.cfg"; |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 47 | const char *openbsc_version = "OpenBSC " PACKAGE_VERSION; |
| 48 | const char *openbsc_copyright = |
| 49 | "Copyright (C) 2008-2010 Harald Welte, Holger Freyther\n" |
| 50 | "Contributions by Daniel Willmann, Jan Lübbe,Stefan Schmidt\n" |
| 51 | "Dieter Spaar, Andreas Eversberg\n\n" |
| 52 | "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n" |
| 53 | "This is free software: you are free to change and redistribute it.\n" |
| 54 | "There is NO WARRANTY, to the extent permitted by law.\n"; |
Holger Hans Peter Freyther | 079353a | 2009-12-23 05:29:04 +0100 | [diff] [blame] | 55 | |
| 56 | /* timer to store statistics */ |
| 57 | #define DB_SYNC_INTERVAL 60, 0 |
| 58 | static struct timer_list db_sync_timer; |
| 59 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 60 | extern int bsc_bootstrap_network(int (*mmc_rev)(struct gsm_network *, int, void *), |
| 61 | const char *cfg_file); |
| 62 | extern int bsc_shutdown_net(struct gsm_network *net); |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 63 | |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 64 | static void create_pcap_file(char *file) |
| 65 | { |
| 66 | mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; |
| 67 | int fd = open(file, O_WRONLY|O_TRUNC|O_CREAT, mode); |
| 68 | |
| 69 | if (fd < 0) { |
| 70 | perror("Failed to open file for pcap"); |
| 71 | return; |
| 72 | } |
| 73 | |
Holger Freyther | 0469cf6 | 2009-03-31 12:14:16 +0000 | [diff] [blame] | 74 | e1_set_pcap_fd(fd); |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 75 | } |
| 76 | |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 77 | static void print_usage() |
| 78 | { |
| 79 | printf("Usage: bsc_hack\n"); |
| 80 | } |
| 81 | |
| 82 | static void print_help() |
| 83 | { |
| 84 | printf(" Some useful help...\n"); |
Harald Welte | 4258182 | 2009-08-08 16:12:58 +0200 | [diff] [blame] | 85 | printf(" -h --help this text\n"); |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 86 | printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n"); |
Holger Freyther | efde7fb | 2008-12-28 14:14:56 +0000 | [diff] [blame] | 87 | printf(" -s --disable-color\n"); |
Holger Hans Peter Freyther | d5d1cef | 2009-08-10 08:39:27 +0200 | [diff] [blame] | 88 | printf(" -c --config-file filename The config file to use.\n"); |
Holger Freyther | bde3610 | 2008-12-28 22:51:39 +0000 | [diff] [blame] | 89 | printf(" -l --database db-name The database to use\n"); |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 90 | printf(" -p --pcap file The filename of the pcap file\n"); |
Harald Welte | c70979a | 2009-08-12 21:52:11 +0200 | [diff] [blame] | 91 | printf(" -T --timestamp Prefix every log line with a timestamp\n"); |
Harald Welte | f314f68 | 2009-12-18 15:05:02 +0100 | [diff] [blame] | 92 | printf(" -P --rtp-proxy Enable the RTP Proxy code inside OpenBSC\n"); |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 93 | } |
| 94 | |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 95 | static void print_version() |
| 96 | { |
| 97 | printf("%s\n", openbsc_version); |
| 98 | } |
| 99 | |
| 100 | static void print_copyright() |
| 101 | { |
| 102 | printf(openbsc_copyright); |
| 103 | } |
| 104 | |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 105 | static void handle_options(int argc, char** argv) |
| 106 | { |
| 107 | while (1) { |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 108 | int option_index = 0, c; |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 109 | static struct option long_options[] = { |
| 110 | {"help", 0, 0, 'h'}, |
| 111 | {"debug", 1, 0, 'd'}, |
Holger Hans Peter Freyther | d5d1cef | 2009-08-10 08:39:27 +0200 | [diff] [blame] | 112 | {"config-file", 1, 0, 'c'}, |
Holger Freyther | efde7fb | 2008-12-28 14:14:56 +0000 | [diff] [blame] | 113 | {"disable-color", 0, 0, 's'}, |
Holger Freyther | bde3610 | 2008-12-28 22:51:39 +0000 | [diff] [blame] | 114 | {"database", 1, 0, 'l'}, |
Holger Freyther | 89824fc | 2008-12-30 16:18:18 +0000 | [diff] [blame] | 115 | {"authorize-everyone", 0, 0, 'a'}, |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 116 | {"pcap", 1, 0, 'p'}, |
Harald Welte | d3ff51d | 2009-06-09 20:21:57 +0000 | [diff] [blame] | 117 | {"timestamp", 0, 0, 'T'}, |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 118 | {"version", 0, 0, 'V' }, |
Harald Welte | 805f644 | 2009-07-28 18:25:29 +0200 | [diff] [blame] | 119 | {"rtp-proxy", 0, 0, 'P'}, |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 120 | {0, 0, 0, 0} |
| 121 | }; |
| 122 | |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 123 | c = getopt_long(argc, argv, "hd:sl:ar:p:TPVc:", |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 124 | long_options, &option_index); |
| 125 | if (c == -1) |
| 126 | break; |
| 127 | |
| 128 | switch (c) { |
| 129 | case 'h': |
| 130 | print_usage(); |
| 131 | print_help(); |
| 132 | exit(0); |
Holger Freyther | efde7fb | 2008-12-28 14:14:56 +0000 | [diff] [blame] | 133 | case 's': |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 134 | debug_set_use_color(stderr_target, 0); |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 135 | break; |
| 136 | case 'd': |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 137 | debug_parse_category_mask(stderr_target, optarg); |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 138 | break; |
Harald Welte | 8965da4 | 2009-01-06 18:09:02 +0000 | [diff] [blame] | 139 | case 'l': |
Holger Freyther | bde3610 | 2008-12-28 22:51:39 +0000 | [diff] [blame] | 140 | database_name = strdup(optarg); |
| 141 | break; |
Holger Hans Peter Freyther | d5d1cef | 2009-08-10 08:39:27 +0200 | [diff] [blame] | 142 | case 'c': |
| 143 | config_file = strdup(optarg); |
| 144 | break; |
Holger Freyther | 9a3ee0f | 2009-01-02 00:40:15 +0000 | [diff] [blame] | 145 | case 'p': |
| 146 | create_pcap_file(optarg); |
| 147 | break; |
Harald Welte | d3ff51d | 2009-06-09 20:21:57 +0000 | [diff] [blame] | 148 | case 'T': |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 149 | debug_set_print_timestamp(stderr_target, 1); |
Harald Welte | d3ff51d | 2009-06-09 20:21:57 +0000 | [diff] [blame] | 150 | break; |
Harald Welte | 805f644 | 2009-07-28 18:25:29 +0200 | [diff] [blame] | 151 | case 'P': |
| 152 | ipacc_rtp_direct = 0; |
| 153 | break; |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 154 | case 'V': |
| 155 | print_version(); |
| 156 | printf("\n"); |
| 157 | print_copyright(); |
| 158 | exit(0); |
| 159 | break; |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 160 | default: |
| 161 | /* ignore */ |
| 162 | break; |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | |
Harald Welte | 3cefa9a | 2009-12-24 10:51:56 +0100 | [diff] [blame] | 167 | extern void *tall_vty_ctx; |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 168 | static void signal_handler(int signal) |
| 169 | { |
| 170 | fprintf(stdout, "signal %u received\n", signal); |
| 171 | |
| 172 | switch (signal) { |
Harald Welte | f294f45 | 2009-08-06 17:43:50 +0200 | [diff] [blame] | 173 | case SIGINT: |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 174 | bsc_shutdown_net(bsc_gsmnet); |
Harald Welte | 3961fcc | 2009-11-30 19:37:18 +0100 | [diff] [blame] | 175 | dispatch_signal(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL); |
Harald Welte | f294f45 | 2009-08-06 17:43:50 +0200 | [diff] [blame] | 176 | sleep(3); |
| 177 | exit(0); |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 178 | break; |
Harald Welte | 31c3d34 | 2009-08-07 00:29:44 +0200 | [diff] [blame] | 179 | case SIGABRT: |
| 180 | /* in case of abort, we want to obtain a talloc report |
| 181 | * and then return to the caller, who will abort the process */ |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 182 | case SIGUSR1: |
Harald Welte | 3cefa9a | 2009-12-24 10:51:56 +0100 | [diff] [blame] | 183 | talloc_report(tall_vty_ctx, stderr); |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 184 | talloc_report_full(tall_bsc_ctx, stderr); |
| 185 | break; |
Harald Welte | 3cefa9a | 2009-12-24 10:51:56 +0100 | [diff] [blame] | 186 | case SIGUSR2: |
| 187 | talloc_report_full(tall_vty_ctx, stderr); |
| 188 | break; |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 189 | default: |
| 190 | break; |
| 191 | } |
| 192 | } |
| 193 | |
Holger Hans Peter Freyther | 079353a | 2009-12-23 05:29:04 +0100 | [diff] [blame] | 194 | /* timer handling */ |
| 195 | static int _db_store_counter(struct counter *counter, void *data) |
| 196 | { |
| 197 | return db_store_counter(counter); |
| 198 | } |
| 199 | |
| 200 | static void db_sync_timer_cb(void *data) |
| 201 | { |
| 202 | /* store counters to database and re-schedule */ |
| 203 | counters_for_each(_db_store_counter, NULL); |
| 204 | bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL); |
| 205 | } |
| 206 | |
Daniel Willmann | 604d851 | 2010-01-11 13:50:44 +0100 | [diff] [blame] | 207 | extern int bts_model_unknown_init(void); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 208 | extern int bts_model_bs11_init(void); |
| 209 | extern int bts_model_nanobts_init(void); |
| 210 | |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 211 | int main(int argc, char **argv) |
| 212 | { |
Harald Welte | 1fa60c8 | 2009-02-09 18:13:26 +0000 | [diff] [blame] | 213 | int rc; |
| 214 | |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 215 | debug_init(); |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 216 | tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc"); |
Harald Welte (local) | d19e58b | 2009-08-15 02:30:58 +0200 | [diff] [blame] | 217 | talloc_ctx_init(); |
Harald Welte (local) | 50d1271 | 2009-08-13 13:52:14 +0200 | [diff] [blame] | 218 | on_dso_load_token(); |
Harald Welte (local) | b8afe81 | 2009-08-16 13:18:51 +0200 | [diff] [blame] | 219 | on_dso_load_rrlp(); |
Harald Welte | 8d77b95 | 2009-12-17 00:31:10 +0100 | [diff] [blame] | 220 | on_dso_load_ho_dec(); |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 221 | stderr_target = debug_target_create_stderr(); |
| 222 | debug_add_target(stderr_target); |
| 223 | |
Daniel Willmann | 604d851 | 2010-01-11 13:50:44 +0100 | [diff] [blame] | 224 | bts_model_unknown_init(); |
Harald Welte | 39315c4 | 2010-01-10 18:01:52 +0100 | [diff] [blame] | 225 | bts_model_bs11_init(); |
| 226 | bts_model_nanobts_init(); |
| 227 | |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 228 | /* enable filters */ |
| 229 | debug_set_all_filter(stderr_target, 1); |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 230 | |
Holger Freyther | b332f61 | 2008-12-27 12:46:51 +0000 | [diff] [blame] | 231 | /* parse options */ |
| 232 | handle_options(argc, argv); |
| 233 | |
Harald Welte | 65ccf88 | 2009-02-24 22:36:20 +0000 | [diff] [blame] | 234 | /* seed the PRNG */ |
| 235 | srand(time(NULL)); |
| 236 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 237 | if (db_init(database_name)) { |
| 238 | printf("DB: Failed to init database. Please check the option settings.\n"); |
| 239 | return -1; |
| 240 | } |
| 241 | printf("DB: Database initialized.\n"); |
| 242 | |
| 243 | if (db_prepare()) { |
| 244 | printf("DB: Failed to prepare database.\n"); |
| 245 | return -1; |
| 246 | } |
| 247 | printf("DB: Database prepared.\n"); |
| 248 | |
Holger Hans Peter Freyther | 079353a | 2009-12-23 05:29:04 +0100 | [diff] [blame] | 249 | /* setup the timer */ |
| 250 | db_sync_timer.cb = db_sync_timer_cb; |
| 251 | db_sync_timer.data = NULL; |
| 252 | bsc_schedule_timer(&db_sync_timer, DB_SYNC_INTERVAL); |
| 253 | |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 254 | rc = bsc_bootstrap_network(mncc_recv, config_file); |
Harald Welte | 1fa60c8 | 2009-02-09 18:13:26 +0000 | [diff] [blame] | 255 | if (rc < 0) |
| 256 | exit(1); |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 257 | |
Harald Welte | f294f45 | 2009-08-06 17:43:50 +0200 | [diff] [blame] | 258 | signal(SIGINT, &signal_handler); |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 259 | signal(SIGABRT, &signal_handler); |
Harald Welte | 2cf161b | 2009-06-20 22:36:41 +0200 | [diff] [blame] | 260 | signal(SIGUSR1, &signal_handler); |
Harald Welte | 3cefa9a | 2009-12-24 10:51:56 +0100 | [diff] [blame] | 261 | signal(SIGUSR2, &signal_handler); |
Holger Hans Peter Freyther | f49fac2 | 2009-11-24 20:06:41 +0100 | [diff] [blame] | 262 | signal(SIGPIPE, SIG_IGN); |
Harald Welte | d125250 | 2009-01-01 01:50:32 +0000 | [diff] [blame] | 263 | |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 264 | while (1) { |
Holger Hans Peter Freyther | 8b457fb | 2009-08-17 06:55:10 +0200 | [diff] [blame] | 265 | bsc_upqueue(bsc_gsmnet); |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 266 | debug_reset_context(); |
Harald Welte | 04d3c92 | 2009-05-23 06:07:04 +0000 | [diff] [blame] | 267 | bsc_select_main(0); |
Harald Welte | f6b7a90 | 2008-12-26 00:05:11 +0000 | [diff] [blame] | 268 | } |
| 269 | } |