aboutsummaryrefslogtreecommitdiffstats
path: root/src/gprs/gb_proxy_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gprs/gb_proxy_main.c')
-rw-r--r--src/gprs/gb_proxy_main.c315
1 files changed, 0 insertions, 315 deletions
diff --git a/src/gprs/gb_proxy_main.c b/src/gprs/gb_proxy_main.c
deleted file mode 100644
index 69a93b6f7..000000000
--- a/src/gprs/gb_proxy_main.c
+++ /dev/null
@@ -1,315 +0,0 @@
-/* NS-over-IP proxy */
-
-/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
- * (C) 2010 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 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
-#include <errno.h>
-#include <signal.h>
-#include <sys/fcntl.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <osmocom/core/application.h>
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/select.h>
-#include <osmocom/core/rate_ctr.h>
-#include <osmocom/core/stats.h>
-
-#include <osmocom/gprs/gprs_ns.h>
-#include <osmocom/gprs/gprs_bssgp.h>
-
-#include <openbsc/signal.h>
-#include <openbsc/debug.h>
-#include <openbsc/vty.h>
-#include <openbsc/gb_proxy.h>
-
-#include <osmocom/vty/command.h>
-#include <osmocom/vty/telnet_interface.h>
-#include <osmocom/vty/logging.h>
-#include <osmocom/vty/stats.h>
-#include <osmocom/vty/ports.h>
-
-#include "../../bscconfig.h"
-
-#define _GNU_SOURCE
-#include <getopt.h>
-
-void *tall_bsc_ctx;
-
-const char *openbsc_copyright =
- "Copyright (C) 2010 Harald Welte and On-Waves\r\n"
- "License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
- "This is free software: you are free to change and redistribute it.\r\n"
- "There is NO WARRANTY, to the extent permitted by law.\r\n";
-
-static char *config_file = "osmo_gbproxy.cfg";
-struct gbproxy_config gbcfg = {0};
-static int daemonize = 0;
-
-/* Pointer to the SGSN peer */
-extern struct gbprox_peer *gbprox_peer_sgsn;
-
-/* call-back function for the NS protocol */
-static int proxy_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
- struct msgb *msg, uint16_t bvci)
-{
- int rc = 0;
-
- switch (event) {
- case GPRS_NS_EVT_UNIT_DATA:
- rc = gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci);
- break;
- default:
- LOGP(DGPRS, LOGL_ERROR, "SGSN: Unknown event %u from NS\n", event);
- if (msg)
- msgb_free(msg);
- rc = -EIO;
- break;
- }
- return rc;
-}
-
-static void signal_handler(int signal)
-{
- fprintf(stdout, "signal %u received\n", signal);
-
- switch (signal) {
- case SIGINT:
- osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL);
- sleep(1);
- 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;
- }
-}
-
-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=DNS:DGPRS,0:0 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(" -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");
-}
-
-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' },
- { "timestamp", 0, 0, 'T' },
- { "version", 0, 0, 'V' },
- { "log-level", 1, 0, 'e' },
- { 0, 0, 0, 0 }
- };
-
- c = getopt_long(argc, argv, "hd:Dc:sTVe:",
- 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 'c':
- config_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 'V':
- print_version(1);
- exit(0);
- break;
- default:
- break;
- }
- }
-}
-
-extern int bsc_vty_go_parent(struct vty *vty);
-
-static struct vty_app_info vty_info = {
- .name = "OsmoGbProxy",
- .version = PACKAGE_VERSION,
- .go_parent_cb = bsc_vty_go_parent,
- .is_config_node = bsc_vty_is_config_node,
-};
-
-/* default categories */
-static struct log_info_cat gprs_categories[] = {
- [DGPRS] = {
- .name = "DGPRS",
- .description = "GPRS Packet Service",
- .enabled = 1, .loglevel = LOGL_DEBUG,
- },
- [DNS] = {
- .name = "DNS",
- .description = "GPRS Network Service (NS)",
- .enabled = 1, .loglevel = LOGL_INFO,
- },
- [DBSSGP] = {
- .name = "DBSSGP",
- .description = "GPRS BSS Gateway Protocol (BSSGP)",
- .enabled = 1, .loglevel = LOGL_DEBUG,
- },
-};
-
-static const struct log_info gprs_log_info = {
- .filter_fn = gprs_log_filter_fn,
- .cat = gprs_categories,
- .num_cat = ARRAY_SIZE(gprs_categories),
-};
-
-int main(int argc, char **argv)
-{
- struct gsm_network dummy_network;
- int rc;
-
- tall_bsc_ctx = talloc_named_const(NULL, 0, "nsip_proxy");
- msgb_talloc_ctx_init(tall_bsc_ctx, 0);
-
- signal(SIGINT, &signal_handler);
- signal(SIGABRT, &signal_handler);
- signal(SIGUSR1, &signal_handler);
- signal(SIGUSR2, &signal_handler);
- osmo_init_ignore_signals();
-
- osmo_init_logging(&gprs_log_info);
-
- vty_info.copyright = openbsc_copyright;
- vty_init(&vty_info);
- logging_vty_add_cmds(NULL);
- osmo_stats_vty_add_cmds(&gprs_log_info);
- gbproxy_vty_init();
-
- handle_options(argc, argv);
-
- rate_ctr_init(tall_bsc_ctx);
- osmo_stats_init(tall_bsc_ctx);
-
- bssgp_nsi = gprs_ns_instantiate(&proxy_ns_cb, tall_bsc_ctx);
- if (!bssgp_nsi) {
- LOGP(DGPRS, LOGL_ERROR, "Unable to instantiate NS\n");
- exit(1);
- }
- gbproxy_init_config(&gbcfg);
- gbcfg.nsi = bssgp_nsi;
- gprs_ns_vty_init(bssgp_nsi);
- gprs_ns_set_log_ss(DNS);
- bssgp_set_log_ss(DBSSGP);
- osmo_signal_register_handler(SS_L_NS, &gbprox_signal, &gbcfg);
-
- rc = gbproxy_parse_config(config_file, &gbcfg);
- if (rc < 0) {
- LOGP(DGPRS, LOGL_FATAL, "Cannot parse config file\n");
- exit(2);
- }
-
- /* start telnet after reading config for vty_get_bind_addr() */
- rc = telnet_init_dynif(tall_bsc_ctx, &dummy_network,
- vty_get_bind_addr(), OSMO_VTY_PORT_GBPROXY);
- if (rc < 0)
- exit(1);
-
- if (!gprs_nsvc_by_nsei(gbcfg.nsi, gbcfg.nsip_sgsn_nsei)) {
- LOGP(DGPRS, LOGL_FATAL, "You cannot proxy to NSEI %u "
- "without creating that NSEI before\n",
- gbcfg.nsip_sgsn_nsei);
- exit(2);
- }
-
- rc = gprs_ns_nsip_listen(bssgp_nsi);
- if (rc < 0) {
- LOGP(DGPRS, LOGL_FATAL, "Cannot bind/listen on NSIP socket\n");
- exit(2);
- }
-
- rc = gprs_ns_frgre_listen(bssgp_nsi);
- if (rc < 0) {
- LOGP(DGPRS, LOGL_FATAL, "Cannot bind/listen GRE "
- "socket. Do you have CAP_NET_RAW?\n");
- exit(2);
- }
-
- if (daemonize) {
- rc = osmo_daemonize();
- if (rc < 0) {
- perror("Error during daemonize");
- exit(1);
- }
- }
-
- /* Reset all the persistent NS-VCs that we've read from the config */
- gbprox_reset_persistent_nsvcs(bssgp_nsi);
-
- while (1) {
- rc = osmo_select_main(0);
- if (rc < 0)
- exit(3);
- }
-
- exit(0);
-}