853 lines
22 KiB
C
853 lines
22 KiB
C
/*
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* (C) 2010 by Harald Welte <laforge@gnumonks.org>
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* (C) 2010 by On-Waves
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <time.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/rate_ctr.h>
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#include <openbsc/gsm_04_08.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <openbsc/debug.h>
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#include <openbsc/gb_proxy.h>
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#include <openbsc/gprs_utils.h>
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#include <openbsc/vty.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/misc.h>
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static struct gbproxy_config *g_cfg = NULL;
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/*
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* vty code for mgcp below
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*/
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static struct cmd_node gbproxy_node = {
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GBPROXY_NODE,
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"%s(config-gbproxy)# ",
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1,
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};
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static const struct value_string keep_modes[] = {
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{GBPROX_KEEP_NEVER, "never"},
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{GBPROX_KEEP_REATTACH, "re-attach"},
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{GBPROX_KEEP_IDENTIFIED, "identified"},
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{GBPROX_KEEP_ALWAYS, "always"},
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{0, NULL}
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};
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static const struct value_string match_ids[] = {
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{GBPROX_MATCH_PATCHING, "patching"},
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{GBPROX_MATCH_ROUTING, "routing"},
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{0, NULL}
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};
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static void gbprox_vty_print_peer(struct vty *vty, struct gbproxy_peer *peer)
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{
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struct gprs_ra_id raid;
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gsm48_parse_ra(&raid, peer->ra);
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vty_out(vty, "NSEI %5u, PTP-BVCI %5u, "
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"RAI %u-%u-%u-%u",
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peer->nsei, peer->bvci,
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raid.mcc, raid.mnc, raid.lac, raid.rac);
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if (peer->blocked)
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vty_out(vty, " [BVC-BLOCKED]");
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vty_out(vty, "%s", VTY_NEWLINE);
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}
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static int config_write_gbproxy(struct vty *vty)
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{
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enum gbproxy_match_id match_id;
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vty_out(vty, "gbproxy%s", VTY_NEWLINE);
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vty_out(vty, " sgsn nsei %u%s", g_cfg->nsip_sgsn_nsei,
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VTY_NEWLINE);
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if (g_cfg->core_mcc > 0)
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vty_out(vty, " core-mobile-country-code %d%s",
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g_cfg->core_mcc, VTY_NEWLINE);
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if (g_cfg->core_mnc > 0)
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vty_out(vty, " core-mobile-network-code %d%s",
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g_cfg->core_mnc, VTY_NEWLINE);
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for (match_id = 0; match_id < ARRAY_SIZE(g_cfg->matches); ++match_id) {
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struct gbproxy_match *match = &g_cfg->matches[match_id];
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if (match->re_str)
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vty_out(vty, " match-imsi %s %s%s",
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get_value_string(match_ids, match_id),
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match->re_str, VTY_NEWLINE);
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}
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if (g_cfg->core_apn != NULL) {
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if (g_cfg->core_apn_size > 0) {
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char str[500] = {0};
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vty_out(vty, " core-access-point-name %s%s",
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gprs_apn_to_str(str, g_cfg->core_apn,
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g_cfg->core_apn_size),
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VTY_NEWLINE);
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} else {
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vty_out(vty, " core-access-point-name none%s",
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VTY_NEWLINE);
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}
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}
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if (g_cfg->route_to_sgsn2)
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vty_out(vty, " secondary-sgsn nsei %u%s", g_cfg->nsip_sgsn2_nsei,
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VTY_NEWLINE);
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if (g_cfg->tlli_max_age > 0)
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vty_out(vty, " link-list max-age %d%s",
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g_cfg->tlli_max_age, VTY_NEWLINE);
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if (g_cfg->tlli_max_len > 0)
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vty_out(vty, " link-list max-length %d%s",
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g_cfg->tlli_max_len, VTY_NEWLINE);
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vty_out(vty, " link-list keep-mode %s%s",
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get_value_string(keep_modes, g_cfg->keep_link_infos),
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VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy,
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cfg_gbproxy_cmd,
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"gbproxy",
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"Configure the Gb proxy")
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{
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vty->node = GBPROXY_NODE;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_nsip_sgsn_nsei,
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cfg_nsip_sgsn_nsei_cmd,
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"sgsn nsei <0-65534>",
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"SGSN information\n"
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"NSEI to be used in the connection with the SGSN\n"
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"The NSEI\n")
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{
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unsigned int nsei = atoi(argv[0]);
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if (g_cfg->route_to_sgsn2 && g_cfg->nsip_sgsn2_nsei == nsei) {
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vty_out(vty, "SGSN NSEI %d conflicts with secondary SGSN NSEI%s",
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nsei, VTY_NEWLINE);
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return CMD_WARNING;
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}
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g_cfg->nsip_sgsn_nsei = nsei;
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return CMD_SUCCESS;
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}
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#define GBPROXY_CORE_MNC_STR "Use this network code for the core network\n"
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DEFUN(cfg_gbproxy_core_mnc,
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cfg_gbproxy_core_mnc_cmd,
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"core-mobile-network-code <1-999>",
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GBPROXY_CORE_MNC_STR "NCC value\n")
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{
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g_cfg->core_mnc = atoi(argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_core_mnc,
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cfg_gbproxy_no_core_mnc_cmd,
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"no core-mobile-network-code",
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NO_STR GBPROXY_CORE_MNC_STR)
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{
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g_cfg->core_mnc = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_CORE_MCC_STR "Use this country code for the core network\n"
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DEFUN(cfg_gbproxy_core_mcc,
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cfg_gbproxy_core_mcc_cmd,
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"core-mobile-country-code <1-999>",
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GBPROXY_CORE_MCC_STR "MCC value\n")
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{
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g_cfg->core_mcc = atoi(argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_core_mcc,
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cfg_gbproxy_no_core_mcc_cmd,
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"no core-mobile-country-code",
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NO_STR GBPROXY_CORE_MCC_STR)
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{
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g_cfg->core_mcc = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_MATCH_IMSI_STR "Restrict actions to certain IMSIs\n"
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DEFUN(cfg_gbproxy_match_imsi,
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cfg_gbproxy_match_imsi_cmd,
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"match-imsi (patching|routing) .REGEXP",
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GBPROXY_MATCH_IMSI_STR
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"Patch MS related information elements on match only\n"
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"Route to the secondary SGSN on match only\n"
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"Regular expression for the IMSI match\n")
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{
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const char *filter = argv[1];
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const char *err_msg = NULL;
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struct gbproxy_match *match;
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enum gbproxy_match_id match_id = get_string_value(match_ids, argv[0]);
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OSMO_ASSERT(match_id >= GBPROX_MATCH_PATCHING &&
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match_id < GBPROX_MATCH_LAST);
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match = &g_cfg->matches[match_id];
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if (gbproxy_set_patch_filter(match, filter, &err_msg) != 0) {
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vty_out(vty, "Match expression invalid: %s%s",
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err_msg, VTY_NEWLINE);
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return CMD_WARNING;
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}
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g_cfg->acquire_imsi = 1;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_match_imsi,
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cfg_gbproxy_no_match_imsi_cmd,
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"no match-imsi",
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NO_STR GBPROXY_MATCH_IMSI_STR)
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{
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enum gbproxy_match_id match_id;
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for (match_id = 0; match_id < ARRAY_SIZE(g_cfg->matches); ++match_id)
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gbproxy_clear_patch_filter(&g_cfg->matches[match_id]);
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g_cfg->acquire_imsi = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_CORE_APN_STR "Use this access point name (APN) for the backbone\n"
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#define GBPROXY_CORE_APN_ARG_STR "Replace APN by this string\n" "Remove APN\n"
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static int set_core_apn(struct vty *vty, const char *apn)
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{
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int apn_len;
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if (!apn) {
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talloc_free(g_cfg->core_apn);
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g_cfg->core_apn = NULL;
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g_cfg->core_apn_size = 0;
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return CMD_SUCCESS;
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}
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apn_len = strlen(apn);
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if (apn_len >= 100) {
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vty_out(vty, "APN string too long (max 99 chars)%s",
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VTY_NEWLINE);
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return CMD_WARNING;
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}
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if (apn_len == 0) {
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talloc_free(g_cfg->core_apn);
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/* TODO: replace NULL */
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g_cfg->core_apn = talloc_zero_size(NULL, 2);
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g_cfg->core_apn_size = 0;
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} else {
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/* TODO: replace NULL */
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g_cfg->core_apn =
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talloc_realloc_size(NULL, g_cfg->core_apn, apn_len + 1);
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g_cfg->core_apn_size =
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gprs_str_to_apn(g_cfg->core_apn, apn_len + 1, apn);
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}
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_core_apn,
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cfg_gbproxy_core_apn_cmd,
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"core-access-point-name (APN|none)",
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GBPROXY_CORE_APN_STR GBPROXY_CORE_APN_ARG_STR)
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{
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if (strcmp(argv[0], "none") == 0)
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return set_core_apn(vty, "");
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else
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return set_core_apn(vty, argv[0]);
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}
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DEFUN(cfg_gbproxy_no_core_apn,
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cfg_gbproxy_no_core_apn_cmd,
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"no core-access-point-name",
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NO_STR GBPROXY_CORE_APN_STR)
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{
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return set_core_apn(vty, NULL);
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}
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/* TODO: Remove the patch-ptmsi command, since P-TMSI patching is enabled
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* automatically when needed. This command is only left for manual testing
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* (e.g. doing P-TMSI patching without using a secondary SGSN)
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*/
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#define GBPROXY_PATCH_PTMSI_STR "Patch P-TMSI/TLLI\n"
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DEFUN(cfg_gbproxy_patch_ptmsi,
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cfg_gbproxy_patch_ptmsi_cmd,
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"patch-ptmsi",
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GBPROXY_PATCH_PTMSI_STR)
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{
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g_cfg->patch_ptmsi = 1;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_patch_ptmsi,
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cfg_gbproxy_no_patch_ptmsi_cmd,
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"no patch-ptmsi",
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NO_STR GBPROXY_PATCH_PTMSI_STR)
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{
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g_cfg->patch_ptmsi = 0;
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return CMD_SUCCESS;
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}
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/* TODO: Remove the acquire-imsi command, since that feature is enabled
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* automatically when IMSI matching is enabled. This command is only left for
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* manual testing (e.g. doing IMSI acquisition without IMSI based patching)
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*/
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#define GBPROXY_ACQUIRE_IMSI_STR "Acquire the IMSI before establishing a LLC connection (Experimental)\n"
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DEFUN(cfg_gbproxy_acquire_imsi,
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cfg_gbproxy_acquire_imsi_cmd,
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"acquire-imsi",
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GBPROXY_ACQUIRE_IMSI_STR)
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{
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g_cfg->acquire_imsi = 1;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_acquire_imsi,
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cfg_gbproxy_no_acquire_imsi_cmd,
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"no acquire-imsi",
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NO_STR GBPROXY_ACQUIRE_IMSI_STR)
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{
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g_cfg->acquire_imsi = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_SECOND_SGSN_STR "Route matching LLC connections to a second SGSN (Experimental)\n"
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DEFUN(cfg_gbproxy_secondary_sgsn,
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cfg_gbproxy_secondary_sgsn_cmd,
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"secondary-sgsn nsei <0-65534>",
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GBPROXY_SECOND_SGSN_STR
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"NSEI to be used in the connection with the SGSN\n"
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"The NSEI\n")
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{
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unsigned int nsei = atoi(argv[0]);
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if (g_cfg->nsip_sgsn_nsei == nsei) {
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vty_out(vty, "Secondary SGSN NSEI %d conflicts with primary SGSN NSEI%s",
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nsei, VTY_NEWLINE);
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return CMD_WARNING;
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}
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g_cfg->route_to_sgsn2 = 1;
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g_cfg->nsip_sgsn2_nsei = nsei;
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g_cfg->patch_ptmsi = 1;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_no_secondary_sgsn,
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cfg_gbproxy_no_secondary_sgsn_cmd,
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"no secondary-sgsn",
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NO_STR GBPROXY_SECOND_SGSN_STR)
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{
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g_cfg->route_to_sgsn2 = 0;
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g_cfg->nsip_sgsn2_nsei = 0xFFFF;
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g_cfg->patch_ptmsi = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_LINK_LIST_STR "Set TLLI list parameters\n"
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#define GBPROXY_MAX_AGE_STR "Limit maximum age\n"
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DEFUN(cfg_gbproxy_link_list_max_age,
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cfg_gbproxy_link_list_max_age_cmd,
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"link-list max-age <1-999999>",
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GBPROXY_LINK_LIST_STR GBPROXY_MAX_AGE_STR
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"Maximum age in seconds\n")
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{
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g_cfg->tlli_max_age = atoi(argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_link_list_no_max_age,
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cfg_gbproxy_link_list_no_max_age_cmd,
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"no link-list max-age",
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NO_STR GBPROXY_LINK_LIST_STR GBPROXY_MAX_AGE_STR)
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{
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g_cfg->tlli_max_age = 0;
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return CMD_SUCCESS;
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}
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#define GBPROXY_MAX_LEN_STR "Limit list length\n"
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DEFUN(cfg_gbproxy_link_list_max_len,
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cfg_gbproxy_link_list_max_len_cmd,
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"link-list max-length <1-99999>",
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GBPROXY_LINK_LIST_STR GBPROXY_MAX_LEN_STR
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"Maximum number of logical links in the list\n")
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{
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g_cfg->tlli_max_len = atoi(argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_link_list_no_max_len,
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cfg_gbproxy_link_list_no_max_len_cmd,
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"no link-list max-length",
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NO_STR GBPROXY_LINK_LIST_STR GBPROXY_MAX_LEN_STR)
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{
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g_cfg->tlli_max_len = 0;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_gbproxy_link_list_keep_mode,
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cfg_gbproxy_link_list_keep_mode_cmd,
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"link-list keep-mode (never|re-attach|identified|always)",
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GBPROXY_LINK_LIST_STR "How to keep entries for detached logical links\n"
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"Discard entry immediately after detachment\n"
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"Keep entry if a re-attachment has be requested\n"
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"Keep entry if it associated with an IMSI\n"
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"Don't discard entries after detachment\n")
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{
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int val = get_string_value(keep_modes, argv[0]);
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OSMO_ASSERT(val >= GBPROX_KEEP_NEVER && val <= GBPROX_KEEP_ALWAYS);
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g_cfg->keep_link_infos = val;
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return CMD_SUCCESS;
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}
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DEFUN(show_gbproxy, show_gbproxy_cmd, "show gbproxy [stats]",
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SHOW_STR "Display information about the Gb proxy\n" "Show statistics\n")
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{
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struct gbproxy_peer *peer;
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int show_stats = argc >= 1;
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if (show_stats)
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vty_out_rate_ctr_group(vty, "", g_cfg->ctrg);
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llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
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gbprox_vty_print_peer(vty, peer);
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if (show_stats)
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vty_out_rate_ctr_group(vty, " ", peer->ctrg);
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}
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return CMD_SUCCESS;
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}
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DEFUN(show_gbproxy_links, show_gbproxy_links_cmd, "show gbproxy links",
|
|
SHOW_STR "Display information about the Gb proxy\n" "Show logical links\n")
|
|
{
|
|
struct gbproxy_peer *peer;
|
|
char mi_buf[200];
|
|
time_t now;
|
|
struct timespec ts = {0,};
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
now = ts.tv_sec;
|
|
|
|
llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
|
|
struct gbproxy_link_info *link_info;
|
|
struct gbproxy_patch_state *state = &peer->patch_state;
|
|
|
|
gbprox_vty_print_peer(vty, peer);
|
|
|
|
llist_for_each_entry(link_info, &state->logical_links, list) {
|
|
time_t age = now - link_info->timestamp;
|
|
int stored_msgs = 0;
|
|
struct llist_head *iter;
|
|
llist_for_each(iter, &link_info->stored_msgs)
|
|
stored_msgs++;
|
|
|
|
if (link_info->imsi > 0) {
|
|
snprintf(mi_buf, sizeof(mi_buf), "(invalid)");
|
|
gsm48_mi_to_string(mi_buf, sizeof(mi_buf),
|
|
link_info->imsi,
|
|
link_info->imsi_len);
|
|
} else {
|
|
snprintf(mi_buf, sizeof(mi_buf), "(none)");
|
|
}
|
|
vty_out(vty, " TLLI %08x, IMSI %s, AGE %d",
|
|
link_info->tlli.current, mi_buf, (int)age);
|
|
|
|
if (stored_msgs)
|
|
vty_out(vty, ", STORED %d", stored_msgs);
|
|
|
|
if (g_cfg->route_to_sgsn2)
|
|
vty_out(vty, ", SGSN NSEI %d",
|
|
link_info->sgsn_nsei);
|
|
|
|
if (link_info->is_deregistered)
|
|
vty_out(vty, ", DE-REGISTERED");
|
|
|
|
vty_out(vty, "%s", VTY_NEWLINE);
|
|
}
|
|
}
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(delete_gb_bvci, delete_gb_bvci_cmd,
|
|
"delete-gbproxy-peer <0-65534> bvci <2-65534>",
|
|
"Delete a GBProxy peer by NSEI and optionally BVCI\n"
|
|
"NSEI number\n"
|
|
"Only delete peer with a matching BVCI\n"
|
|
"BVCI number\n")
|
|
{
|
|
const uint16_t nsei = atoi(argv[0]);
|
|
const uint16_t bvci = atoi(argv[1]);
|
|
int counter;
|
|
|
|
counter = gbproxy_cleanup_peers(g_cfg, nsei, bvci);
|
|
|
|
if (counter == 0) {
|
|
vty_out(vty, "BVC not found%s", VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(delete_gb_nsei, delete_gb_nsei_cmd,
|
|
"delete-gbproxy-peer <0-65534> (only-bvc|only-nsvc|all) [dry-run]",
|
|
"Delete a GBProxy peer by NSEI and optionally BVCI\n"
|
|
"NSEI number\n"
|
|
"Only delete BSSGP connections (BVC)\n"
|
|
"Only delete dynamic NS connections (NS-VC)\n"
|
|
"Delete BVC and dynamic NS connections\n"
|
|
"Show what would be deleted instead of actually deleting\n"
|
|
)
|
|
{
|
|
const uint16_t nsei = atoi(argv[0]);
|
|
const char *mode = argv[1];
|
|
int dry_run = argc > 2;
|
|
int delete_bvc = 0;
|
|
int delete_nsvc = 0;
|
|
int counter;
|
|
|
|
if (strcmp(mode, "only-bvc") == 0)
|
|
delete_bvc = 1;
|
|
else if (strcmp(mode, "only-nsvc") == 0)
|
|
delete_nsvc = 1;
|
|
else
|
|
delete_bvc = delete_nsvc = 1;
|
|
|
|
if (delete_bvc) {
|
|
if (!dry_run)
|
|
counter = gbproxy_cleanup_peers(g_cfg, nsei, 0);
|
|
else {
|
|
struct gbproxy_peer *peer;
|
|
counter = 0;
|
|
llist_for_each_entry(peer, &g_cfg->bts_peers, list) {
|
|
if (peer->nsei != nsei)
|
|
continue;
|
|
|
|
vty_out(vty, "BVC: ");
|
|
gbprox_vty_print_peer(vty, peer);
|
|
counter += 1;
|
|
}
|
|
}
|
|
vty_out(vty, "%sDeleted %d BVC%s",
|
|
dry_run ? "Not " : "", counter, VTY_NEWLINE);
|
|
}
|
|
|
|
if (delete_nsvc) {
|
|
struct gprs_ns_inst *nsi = g_cfg->nsi;
|
|
struct gprs_nsvc *nsvc, *nsvc2;
|
|
|
|
counter = 0;
|
|
llist_for_each_entry_safe(nsvc, nsvc2, &nsi->gprs_nsvcs, list) {
|
|
if (nsvc->nsei != nsei)
|
|
continue;
|
|
if (nsvc->persistent)
|
|
continue;
|
|
|
|
if (!dry_run)
|
|
gprs_nsvc_delete(nsvc);
|
|
else
|
|
vty_out(vty, "NS-VC: NSEI %5u, NS-VCI %5u, "
|
|
"remote %s%s",
|
|
nsvc->nsei, nsvc->nsvci,
|
|
gprs_ns_ll_str(nsvc), VTY_NEWLINE);
|
|
counter += 1;
|
|
}
|
|
vty_out(vty, "%sDeleted %d NS-VC%s",
|
|
dry_run ? "Not " : "", counter, VTY_NEWLINE);
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
#define GBPROXY_DELETE_LINK_STR \
|
|
"Delete a GBProxy logical link entry by NSEI and identification\nNSEI number\n"
|
|
|
|
DEFUN(delete_gb_link_by_id, delete_gb_link_by_id_cmd,
|
|
"delete-gbproxy-link <0-65534> (tlli|imsi|sgsn-nsei) IDENT",
|
|
GBPROXY_DELETE_LINK_STR
|
|
"Delete entries with a matching TLLI (hex)\n"
|
|
"Delete entries with a matching IMSI\n"
|
|
"Delete entries with a matching SGSN NSEI\n"
|
|
"Identification to match\n")
|
|
{
|
|
const uint16_t nsei = atoi(argv[0]);
|
|
enum {MATCH_TLLI = 't', MATCH_IMSI = 'i', MATCH_SGSN = 's'} match;
|
|
uint32_t ident = 0;
|
|
const char *imsi = NULL;
|
|
struct gbproxy_peer *peer = 0;
|
|
struct gbproxy_link_info *link_info, *nxt;
|
|
struct gbproxy_patch_state *state;
|
|
char mi_buf[200];
|
|
int found = 0;
|
|
|
|
match = argv[1][0];
|
|
|
|
switch (match) {
|
|
case MATCH_TLLI: ident = strtoll(argv[2], NULL, 16); break;
|
|
case MATCH_IMSI: imsi = argv[2]; break;
|
|
case MATCH_SGSN: ident = strtoll(argv[2], NULL, 0); break;
|
|
};
|
|
|
|
peer = gbproxy_peer_by_nsei(g_cfg, nsei);
|
|
if (!peer) {
|
|
vty_out(vty, "Didn't find peer with NSEI %d%s",
|
|
nsei, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
state = &peer->patch_state;
|
|
|
|
llist_for_each_entry_safe(link_info, nxt, &state->logical_links, list) {
|
|
switch (match) {
|
|
case MATCH_TLLI:
|
|
if (link_info->tlli.current != ident)
|
|
continue;
|
|
break;
|
|
case MATCH_SGSN:
|
|
if (link_info->sgsn_nsei != ident)
|
|
continue;
|
|
break;
|
|
case MATCH_IMSI:
|
|
if (!link_info->imsi)
|
|
continue;
|
|
mi_buf[0] = '\0';
|
|
gsm48_mi_to_string(mi_buf, sizeof(mi_buf),
|
|
link_info->imsi,
|
|
link_info->imsi_len);
|
|
|
|
if (strcmp(mi_buf, imsi) != 0)
|
|
continue;
|
|
break;
|
|
}
|
|
|
|
vty_out(vty, "Deleting link with TLLI %08x%s", link_info->tlli.current,
|
|
VTY_NEWLINE);
|
|
gbproxy_delete_link_info(peer, link_info);
|
|
found += 1;
|
|
}
|
|
|
|
if (!found && argc >= 2) {
|
|
vty_out(vty, "Didn't find link entry with %s %s%s",
|
|
argv[1], argv[2], VTY_NEWLINE);
|
|
}
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
DEFUN(delete_gb_link, delete_gb_link_cmd,
|
|
"delete-gbproxy-link <0-65534> (stale|de-registered)",
|
|
GBPROXY_DELETE_LINK_STR
|
|
"Delete stale entries\n"
|
|
"Delete de-registered entries\n")
|
|
{
|
|
const uint16_t nsei = atoi(argv[0]);
|
|
enum {MATCH_STALE = 's', MATCH_DEREGISTERED = 'd'} match;
|
|
struct gbproxy_peer *peer = 0;
|
|
struct gbproxy_link_info *link_info, *nxt;
|
|
struct gbproxy_patch_state *state;
|
|
time_t now;
|
|
struct timespec ts = {0,};
|
|
|
|
int found = 0;
|
|
|
|
match = argv[1][0];
|
|
|
|
peer = gbproxy_peer_by_nsei(g_cfg, nsei);
|
|
if (!peer) {
|
|
vty_out(vty, "Didn't find peer with NSEI %d%s",
|
|
nsei, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
state = &peer->patch_state;
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
now = ts.tv_sec;
|
|
|
|
if (match == MATCH_STALE) {
|
|
found = gbproxy_remove_stale_link_infos(peer, now);
|
|
if (found)
|
|
vty_out(vty, "Deleted %d stale logical link%s%s",
|
|
found, found == 1 ? "" : "s", VTY_NEWLINE);
|
|
} else {
|
|
llist_for_each_entry_safe(link_info, nxt,
|
|
&state->logical_links, list) {
|
|
if (!link_info->is_deregistered)
|
|
continue;
|
|
|
|
gbproxy_delete_link_info(peer, link_info);
|
|
found += 1;
|
|
}
|
|
}
|
|
|
|
if (found)
|
|
vty_out(vty, "Deleted %d %s logical link%s%s",
|
|
found, argv[1], found == 1 ? "" : "s", VTY_NEWLINE);
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* legacy commands to provide an upgrade path from "broken" releases
|
|
* or pre-releases
|
|
*/
|
|
DEFUN_DEPRECATED(cfg_gbproxy_broken_apn_match,
|
|
cfg_gbproxy_broken_apn_match_cmd,
|
|
"core-access-point-name none match-imsi .REGEXP",
|
|
GBPROXY_CORE_APN_STR GBPROXY_MATCH_IMSI_STR "Remove APN\n"
|
|
"Patch MS related information elements on match only\n"
|
|
"Route to the secondary SGSN on match only\n"
|
|
"Regular expression for the IMSI match\n")
|
|
{
|
|
const char *filter = argv[0];
|
|
const char *err_msg = NULL;
|
|
struct gbproxy_match *match;
|
|
enum gbproxy_match_id match_id = get_string_value(match_ids, "patching");
|
|
|
|
/* apply APN none */
|
|
set_core_apn(vty, "");
|
|
|
|
/* do the matching... with copy and paste */
|
|
OSMO_ASSERT(match_id >= GBPROX_MATCH_PATCHING &&
|
|
match_id < GBPROX_MATCH_LAST);
|
|
match = &g_cfg->matches[match_id];
|
|
|
|
if (gbproxy_set_patch_filter(match, filter, &err_msg) != 0) {
|
|
vty_out(vty, "Match expression invalid: %s%s",
|
|
err_msg, VTY_NEWLINE);
|
|
return CMD_WARNING;
|
|
}
|
|
|
|
g_cfg->acquire_imsi = 1;
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
#define GBPROXY_TLLI_LIST_STR "Set TLLI list parameters\n"
|
|
#define GBPROXY_MAX_LEN_STR "Limit list length\n"
|
|
DEFUN_DEPRECATED(cfg_gbproxy_depr_tlli_list_max_len,
|
|
cfg_gbproxy_depr_tlli_list_max_len_cmd,
|
|
"tlli-list max-length <1-99999>",
|
|
GBPROXY_TLLI_LIST_STR GBPROXY_MAX_LEN_STR
|
|
"Maximum number of TLLIs in the list\n")
|
|
{
|
|
g_cfg->tlli_max_len = atoi(argv[0]);
|
|
|
|
return CMD_SUCCESS;
|
|
}
|
|
|
|
int gbproxy_vty_init(void)
|
|
{
|
|
install_element_ve(&show_gbproxy_cmd);
|
|
install_element_ve(&show_gbproxy_links_cmd);
|
|
|
|
install_element(ENABLE_NODE, &delete_gb_bvci_cmd);
|
|
install_element(ENABLE_NODE, &delete_gb_nsei_cmd);
|
|
install_element(ENABLE_NODE, &delete_gb_link_by_id_cmd);
|
|
install_element(ENABLE_NODE, &delete_gb_link_cmd);
|
|
|
|
install_element(CONFIG_NODE, &cfg_gbproxy_cmd);
|
|
install_node(&gbproxy_node, config_write_gbproxy);
|
|
vty_install_default(GBPROXY_NODE);
|
|
install_element(GBPROXY_NODE, &cfg_nsip_sgsn_nsei_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_core_mcc_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_core_mnc_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_match_imsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_core_apn_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_secondary_sgsn_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_patch_ptmsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_acquire_imsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_max_age_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_max_len_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_keep_mode_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_mcc_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_mnc_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_match_imsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_core_apn_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_secondary_sgsn_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_patch_ptmsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_no_acquire_imsi_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_no_max_age_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_link_list_no_max_len_cmd);
|
|
|
|
/* broken or deprecated to allow an upgrade path */
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_broken_apn_match_cmd);
|
|
install_element(GBPROXY_NODE, &cfg_gbproxy_depr_tlli_list_max_len_cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg)
|
|
{
|
|
int rc;
|
|
|
|
g_cfg = cfg;
|
|
rc = vty_read_config_file(config_file, NULL);
|
|
if (rc < 0) {
|
|
fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|