diff options
Diffstat (limited to 'openbsc/src/osmo-mss')
| -rw-r--r-- | openbsc/src/osmo-mss/Makefile.am | 15 | ||||
| -rw-r--r-- | openbsc/src/osmo-mss/mss_hack.c | 307 | ||||
| -rw-r--r-- | openbsc/src/osmo-mss/stubs.c | 104 |
3 files changed, 426 insertions, 0 deletions
diff --git a/openbsc/src/osmo-mss/Makefile.am b/openbsc/src/osmo-mss/Makefile.am new file mode 100644 index 000000000..450741d70 --- /dev/null +++ b/openbsc/src/osmo-mss/Makefile.am @@ -0,0 +1,15 @@ +INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir) +AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(COVERAGE_CFLAGS) +AM_LDFLAGS = $(COVERAGE_LDFLAGS) + +bin_PROGRAMS = osmo-mss + +osmo_mss_SOURCES = mss_hack.c stubs.c +osmo_mss_LDADD = \ + $(top_builddir)/src/libbsc/gsm_subscriber_base.o \ + $(top_builddir)/src/libmsc/libmsc.a \ + $(top_builddir)/src/libtrau/libtrau.a \ + $(top_builddir)/src/libctrl/libctrl.a \ + $(top_builddir)/src/libcommon/libcommon.a \ + -ldbi -ldl $(LIBCRYPT) $(LIBOSMOGSM_LIBS) \ + $(LIBOSMOVTY_LIBS) $(LIBOSMOABIS_LIBS) $(LIBOSMOCORE_LIBS) diff --git a/openbsc/src/osmo-mss/mss_hack.c b/openbsc/src/osmo-mss/mss_hack.c new file mode 100644 index 000000000..e26e89b0d --- /dev/null +++ b/openbsc/src/osmo-mss/mss_hack.c @@ -0,0 +1,307 @@ +/* A hackish minimal MSC+HLR implementation */ + +/* (C) 2008-2012 by Harald Welte <laforge@gnumonks.org> + * (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org> + * 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 <unistd.h> +#include <time.h> +#include <errno.h> +#include <signal.h> +#include <fcntl.h> +#include <sys/stat.h> + +#define _GNU_SOURCE +#include <getopt.h> + +#include <openbsc/db.h> +#include <osmocom/core/application.h> +#include <osmocom/core/select.h> +#include <openbsc/debug.h> +#include <osmocom/abis/abis.h> +#include <osmocom/abis/e1_input.h> +#include <osmocom/core/talloc.h> +#include <openbsc/signal.h> +#include <openbsc/osmo_msc.h> +#include <openbsc/sms_queue.h> +#include <openbsc/vty.h> +#include <openbsc/bss.h> +#include <openbsc/mncc.h> +#include <openbsc/token_auth.h> +#include <openbsc/handover_decision.h> +#include <openbsc/rrlp.h> +#include <openbsc/control_if.h> +#include <openbsc/osmo_bsc_rf.h> + +#include "../../bscconfig.h" + +/* MCC and MNC for the Location Area Identifier */ +struct gsm_network *bsc_gsmnet = 0; +static struct osmo_bsc_rf *rf_ctrl; +static const char *database_name = "hlr.sqlite3"; +static const char *config_file = "openbsc.cfg"; +static const char *rf_ctrl_name = NULL; +extern const char *openbsc_copyright; +static int daemonize = 0; +static int use_mncc_sock = 0; +static int use_db_counter = 1; + +/* timer to store statistics */ +#define DB_SYNC_INTERVAL 60, 0 +static struct osmo_timer_list db_sync_timer; + +static void create_pcap_file(char *file) +{ + mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; + int fd = open(file, O_WRONLY|O_TRUNC|O_CREAT, mode); + + if (fd < 0) { + perror("Failed to open file for pcap"); + return; + } + + e1_set_pcap_fd(fd); +} + +static void print_usage() +{ + printf("Usage: bsc_hack\n"); +} + +static void print_help() +{ + printf(" Some useful help...\n"); + printf(" -h --help this text\n"); + printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n"); + printf(" -D --daemonize Fork the process into a background daemon\n"); + printf(" -c --config-file filename The config file to use.\n"); + printf(" -s --disable-color\n"); + printf(" -l --database db-name The database to use\n"); + printf(" -a --authorize-everyone. Authorize every new subscriber. Dangerous!.\n"); + printf(" -p --pcap file The filename of the pcap file\n"); + printf(" -T --timestamp Prefix every log line with a timestamp\n"); + printf(" -V --version. Print the version of OpenBSC.\n"); + printf(" -e --log-level number. Set a global loglevel.\n"); + printf(" -m --mncc-sock Disable built-in MNCC handler and offer socket\n"); + printf(" -C --no-dbcounter Disable regular syncing of counters to database\n"); + printf(" -r --rf-ctl NAME. A unix domain socket to listen for cmds.\n"); +} + +static void handle_options(int argc, char **argv) +{ + while (1) { + int option_index = 0, c; + static struct option long_options[] = { + {"help", 0, 0, 'h'}, + {"debug", 1, 0, 'd'}, + {"daemonize", 0, 0, 'D'}, + {"config-file", 1, 0, 'c'}, + {"disable-color", 0, 0, 's'}, + {"database", 1, 0, 'l'}, + {"authorize-everyone", 0, 0, 'a'}, + {"pcap", 1, 0, 'p'}, + {"timestamp", 0, 0, 'T'}, + {"version", 0, 0, 'V' }, + {"rtp-proxy", 0, 0, 'P'}, + {"log-level", 1, 0, 'e'}, + {"mncc-sock", 0, 0, 'm'}, + {"no-dbcounter", 0, 0, 'C'}, + {"rf-ctl", 1, 0, 'r'}, + {0, 0, 0, 0} + }; + + c = getopt_long(argc, argv, "hd:Dsl:ar:p:TPVc:e:mCr:", + long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 'h': + print_usage(); + print_help(); + exit(0); + case 's': + log_set_use_color(osmo_stderr_target, 0); + break; + case 'd': + log_parse_category_mask(osmo_stderr_target, optarg); + break; + case 'D': + daemonize = 1; + break; + case 'l': + database_name = strdup(optarg); + break; + case 'c': + config_file = strdup(optarg); + break; + case 'p': + create_pcap_file(optarg); + break; + case 'T': + log_set_print_timestamp(osmo_stderr_target, 1); + break; + case 'e': + log_set_log_level(osmo_stderr_target, atoi(optarg)); + break; + case 'm': + use_mncc_sock = 1; + break; + case 'C': + use_db_counter = 0; + break; + case 'V': + print_version(1); + exit(0); + break; + case 'r': + rf_ctrl_name = optarg; + break; + default: + /* ignore */ + break; + } + } +} + +extern void *tall_vty_ctx; +static void signal_handler(int signal) +{ + fprintf(stdout, "signal %u received\n", signal); + + switch (signal) { + case SIGINT: + bsc_shutdown_net(bsc_gsmnet); + osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL); + sleep(3); + exit(0); + break; + case SIGABRT: + /* in case of abort, we want to obtain a talloc report + * and then return to the caller, who will abort the process */ + case SIGUSR1: + talloc_report(tall_vty_ctx, stderr); + talloc_report_full(tall_bsc_ctx, stderr); + break; + case SIGUSR2: + talloc_report_full(tall_vty_ctx, stderr); + break; + default: + break; + } +} + +/* timer handling */ +static int _db_store_counter(struct osmo_counter *counter, void *data) +{ + return db_store_counter(counter); +} + +static void db_sync_timer_cb(void *data) +{ + /* store counters to database and re-schedule */ + osmo_counters_for_each(_db_store_counter, NULL); + osmo_timer_schedule(&db_sync_timer, DB_SYNC_INTERVAL); +} + +void talloc_ctx_init(void); + +extern enum node_type bsc_vty_go_parent(struct vty *vty); + +static struct vty_app_info vty_info = { + .name = "OsmoMSC", + .version = PACKAGE_VERSION, + .go_parent_cb = bsc_vty_go_parent, + .is_config_node = bsc_vty_is_config_node, +}; + +int main(int argc, char **argv) +{ + int rc; + + vty_info.copyright = openbsc_copyright; + + tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc"); + talloc_ctx_init(); + on_dso_load_token(); + on_dso_load_rrlp(); + + osmo_init_logging(&log_info); + + /* This needs to precede handle_options() */ + vty_init(&vty_info); + + /* parse options */ + handle_options(argc, argv); + + /* internal MNCC handler or MNCC socket? */ + if (use_mncc_sock) { + //rc = bsc_bootstrap_network(mncc_sock_from_cc, config_file); + //if (rc >= 0) + mncc_sock_init(bsc_gsmnet); + } else + //rc = bsc_bootstrap_network(int_mncc_recv, config_file); + if (rc < 0) + exit(1); + bsc_api_init(bsc_gsmnet, msc_bsc_api()); + + controlif_setup(bsc_gsmnet, 4250); + /* seed the PRNG */ + srand(time(NULL)); + + if (db_init(database_name)) { + printf("DB: Failed to init database. Please check the option settings.\n"); + return -1; + } + printf("DB: Database initialized.\n"); + + if (db_prepare()) { + printf("DB: Failed to prepare database.\n"); + return -1; + } + printf("DB: Database prepared.\n"); + + /* setup the timer */ + db_sync_timer.cb = db_sync_timer_cb; + db_sync_timer.data = NULL; + if (use_db_counter) + osmo_timer_schedule(&db_sync_timer, DB_SYNC_INTERVAL); + + signal(SIGINT, &signal_handler); + signal(SIGABRT, &signal_handler); + signal(SIGUSR1, &signal_handler); + signal(SIGUSR2, &signal_handler); + osmo_init_ignore_signals(); + + /* start the SMS queue */ + if (sms_queue_start(bsc_gsmnet, 20) != 0) + return -1; + + if (daemonize) { + rc = osmo_daemonize(); + if (rc < 0) { + perror("Error during daemonize"); + exit(1); + } + } + + while (1) { + log_reset_context(); + osmo_select_main(0); + } +} diff --git a/openbsc/src/osmo-mss/stubs.c b/openbsc/src/osmo-mss/stubs.c new file mode 100644 index 000000000..42d5094f1 --- /dev/null +++ b/openbsc/src/osmo-mss/stubs.c @@ -0,0 +1,104 @@ +#include <errno.h> + +#include <openbsc/debug.h> +#include <openbsc/gsm_subscriber.h> + +struct gsm_subscriber_connection *connection_for_subscr(struct gsm_subscriber *subscr) +{ + struct gsm_bts *bts; + struct gsm_network *net = subscr->net; + struct gsm_lchan *lchan; + + /* FIXME: iterate over all existing GAN associations and see if we have + * any for subscr */ + + return NULL; +} + +/*! \brief process incoming 08.08 DTAP from MSC (send via GANC + * association to MS) */ +int gsm0808_submit_dtap(struct gsm_subscriber_connection *conn, + struct msgb *msg, int link_id, int allow_sacch) +{ + /* FIXME */ + + return -EINVAL; +} + +/* Release all occupied RF Channels but stay around for more. */ +int gsm0808_clear(struct gsm_subscriber_connection *conn) +{ + /* FIXME */ + conn->lchan = NULL; + conn->secondary_lchan = NULL; + conn->ho_lchan = NULL; + conn->bts = NULL; + + osmo_timer_del(&conn->T10); + + return 0; +} +/*! \brief We received a GSM 08.08 CIPHER MODE from the MSC */ +int gsm0808_cipher_mode(struct gsm_subscriber_connection *conn, int cipher, + const uint8_t *key, int len, int include_imeisv) +{ + if (cipher > 0 && key == NULL) { + LOGP(DRSL, LOGL_ERROR, "Need to have an encrytpion key.\n"); + return -1; + } + + if (len > MAX_A5_KEY_LEN) { + LOGP(DRSL, LOGL_ERROR, "The key is too long: %d\n", len); + return -1; + } +} + +/* MSC has requested that we page the given subscriber */ +int paging_request(struct gsm_network *network, struct gsm_subscriber *subscr, + int type, gsm_cbfn *cbfn, void *data) +{ + /* FIXME */ + return -EINVAL; +} + +/* Stop paging on all other bts' */ +void paging_request_stop(struct gsm_bts *_bts, struct gsm_subscriber *subscr, + struct gsm_subscriber_connection *conn, + struct msgb *msg) +{ + /* FIXME */ +} + +/* cleanup at release subscriber_connection */ +void subscr_con_free(struct gsm_subscriber_connection *conn) +{ + /* FIXME: merge with libbsc/bsc_api.c implementation */ + if (!conn) + return; + + if (conn->subscr) { + subscr_put(conn->subscr); + conn->subscr = NULL; + } + + if (conn->lchan) { + LOGP(DNM, LOGL_ERROR, "The lchan should have been cleared.\n"); + conn->lchan->conn = NULL; + } + + if (conn->secondary_lchan) { + LOGP(DNM, LOGL_ERROR, "The secondary_lchan should have been cleared.\n"); + conn->secondary_lchan->conn = NULL; + } + + llist_del(&conn->entry); + talloc_free(conn); +} + +void gsm_net_update_ctype(struct gsm_network *network) +{ + /* a MSC doesn't really need this, does it? */ + return; +} + + |