/* (C) 2016 by Harald Welte * * 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 . * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct hlr *g_hlr; static void *hlr_ctx = NULL; static int quit = 0; struct osmo_tdef g_hlr_tdefs[] = { /* 4222 is also the OSMO_GSUP_PORT */ { .T = -4222, .default_val = 30, .desc = "GSUP Update Location timeout" }, {} }; /* Trigger 'Insert Subscriber Data' messages to all connected GSUP clients. * * \param[in] subscr A subscriber we have new data to send for. */ void osmo_hlr_subscriber_update_notify(struct hlr_subscriber *subscr) { struct osmo_gsup_conn *co; if (g_hlr->gs == NULL) { LOGP(DLGSUP, LOGL_DEBUG, "IMSI %s: NOT Notifying peers of subscriber data change," " there is no GSUP server\n", subscr->imsi); return; } /* FIXME: send only to current vlr_number and sgsn_number */ llist_for_each_entry(co, &g_hlr->gs->clients, list) { struct osmo_gsup_message gsup = { }; struct msgb *msg_out; uint8_t *peer; int peer_len; size_t peer_strlen; const char *peer_compare; enum osmo_gsup_cn_domain cn_domain; if (co->supports_ps) { cn_domain = OSMO_GSUP_CN_DOMAIN_PS; peer_compare = subscr->sgsn_number; } else if (co->supports_cs) { cn_domain = OSMO_GSUP_CN_DOMAIN_CS; peer_compare = subscr->vlr_number; } else { /* We have not yet received a location update from this GSUP client.*/ continue; } peer_len = osmo_gsup_conn_ccm_get(co, &peer, IPAC_IDTAG_SERNR); if (peer_len < 0) { LOGP(DLGSUP, LOGL_ERROR, "IMSI='%s': cannot get peer name for connection %s:%u\n", subscr->imsi, co && co->conn && co->conn->server? co->conn->server->addr : "unset", co && co->conn && co->conn->server? co->conn->server->port : 0); continue; } peer_strlen = strnlen((const char*)peer, peer_len); if (strlen(peer_compare) != peer_strlen || strncmp(peer_compare, (const char *)peer, peer_len)) { /* Mismatch. The subscriber is not subscribed with this GSUP client. */ /* I hope peer is always nul terminated... */ if (peer_strlen < peer_len) LOGP(DLGSUP, LOGL_DEBUG, "IMSI %s: subscriber change: skipping %s peer %s\n", subscr->imsi, cn_domain == OSMO_GSUP_CN_DOMAIN_PS ? "PS" : "CS", osmo_quote_str((char*)peer, -1)); continue; } LOGP(DLGSUP, LOGL_DEBUG, "IMSI %s: subscriber change: notifying %s peer %s\n", subscr->imsi, cn_domain == OSMO_GSUP_CN_DOMAIN_PS ? "PS" : "CS", osmo_quote_str(peer_compare, -1)); if (osmo_gsup_create_insert_subscriber_data_msg(&gsup, subscr->imsi, subscr->msisdn, cn_domain, OTC_SELECT) != 0) { LOGP(DLGSUP, LOGL_ERROR, "IMSI='%s': Cannot notify GSUP client; could not create gsup message " "for %s:%u\n", subscr->imsi, co && co->conn && co->conn->server? co->conn->server->addr : "unset", co && co->conn && co->conn->server? co->conn->server->port : 0); continue; } /* Send ISD to MSC/SGSN */ msg_out = osmo_gsup_msgb_alloc("GSUP ISD UPDATE"); if (msg_out == NULL) { LOGP(DLGSUP, LOGL_ERROR, "IMSI='%s': Cannot notify GSUP client; could not allocate msg buffer " "for %s:%u\n", subscr->imsi, co && co->conn && co->conn->server? co->conn->server->addr : "unset", co && co->conn && co->conn->server? co->conn->server->port : 0); continue; } osmo_gsup_encode(msg_out, &gsup); if (osmo_gsup_addr_send(g_hlr->gs, peer, peer_len, msg_out) < 0) { LOGP(DMAIN, LOGL_ERROR, "IMSI='%s': Cannot notify GSUP client; send operation failed " "for %s:%u\n", subscr->imsi, co && co->conn && co->conn->server? co->conn->server->addr : "unset", co && co->conn && co->conn->server? co->conn->server->port : 0); continue; } } } static int generate_new_msisdn(char *msisdn, const char *imsi, unsigned int len) { int i, j, rc; uint8_t rand_buf[GSM23003_MSISDN_MAX_DIGITS]; OSMO_ASSERT(len <= sizeof(rand_buf)); /* Generate a random unique MSISDN (with retry) */ for (i = 0; i < 10; i++) { /* Get a random number (with retry) */ for (j = 0; j < 10; j++) { rc = osmo_get_rand_id(rand_buf, len); if (!rc) break; } if (rc) { LOGP(DMAIN, LOGL_ERROR, "IMSI='%s': Failed to generate new MSISDN, random number generator" " failed (rc=%d)\n", imsi, rc); return rc; } /* Shift 0x00 ... 0xff range to 30 ... 39 (ASCII numbers) */ for (j = 0; j < len; j++) msisdn[j] = 48 + (rand_buf[j] % 10); msisdn[j] = '\0'; /* Ensure there is no subscriber with such MSISDN */ if (db_subscr_exists_by_msisdn(g_hlr->dbc, msisdn) == -ENOENT) return 0; } /* Failure */ LOGP(DMAIN, LOGL_ERROR, "IMSI='%s': Failed to generate a new MSISDN, consider increasing " "the length for the automatically assigned MSISDNs " "(see 'subscriber-create-on-demand' command)\n", imsi); return -1; } static int subscr_create_on_demand(const char *imsi) { char msisdn[GSM23003_MSISDN_MAX_DIGITS + 1]; int rc; if (db_subscr_exists_by_imsi(g_hlr->dbc, imsi) == 0) return -1; switch (g_hlr->subscr_create_on_demand.mode) { case SUBSCR_COD_MODE_MSISDN_FROM_IMSI: OSMO_STRLCPY_ARRAY(msisdn, imsi); break; case SUBSCR_COD_MODE_RAND_MSISDN: if (generate_new_msisdn(msisdn, imsi, g_hlr->subscr_create_on_demand.rand_msisdn_len) != 0) return -1; break; case SUBSCR_COD_MODE_NO_MSISDN: msisdn[0] = '\0'; break; case SUBSCR_COD_MODE_DISABLED: default: return -1; } LOGP(DMAIN, LOGL_INFO, "IMSI='%s': Creating subscriber on demand\n", imsi); rc = db_subscr_create(g_hlr->dbc, imsi, g_hlr->subscr_create_on_demand.flags); if (rc) { LOGP(DMAIN, LOGL_ERROR, "Failed to create subscriber on demand (rc=%d): IMSI='%s'\n", rc, imsi); return rc; } if (msisdn[0] == '\0') return 0; /* Update MSISDN of the new (just allocated) subscriber */ rc = db_subscr_update_msisdn_by_imsi(g_hlr->dbc, imsi, msisdn); if (rc) { LOGP(DMAIN, LOGL_ERROR, "IMSI='%s': Failed to assign MSISDN='%s' (rc=%d)\n", imsi, msisdn, rc); return rc; } LOGP(DMAIN, LOGL_INFO, "IMSI='%s': Successfully assigned MSISDN='%s'\n", imsi, msisdn); return 0; } /*! Update nam_cs/nam_ps in the db and trigger notifications to GSUP clients. * \param[in,out] hlr Global hlr context. * \param[in] subscr Subscriber from a fresh db_subscr_get_by_*() call. * \param[in] nam_val True to enable CS/PS, false to disable. * \param[in] is_ps True to enable/disable PS, false for CS. * \returns 0 on success, ENOEXEC if there is no need to change, a negative * value on error. */ int hlr_subscr_nam(struct hlr *hlr, struct hlr_subscriber *subscr, bool nam_val, bool is_ps) { int rc; bool is_val = is_ps? subscr->nam_ps : subscr->nam_cs; struct osmo_ipa_name vlr_name; struct osmo_gsup_message gsup_del_data = { .message_type = OSMO_GSUP_MSGT_DELETE_DATA_REQUEST, }; OSMO_STRLCPY_ARRAY(gsup_del_data.imsi, subscr->imsi); if (is_val == nam_val) { LOGP(DAUC, LOGL_DEBUG, "IMSI-%s: Already has the requested value when asked to %s %s\n", subscr->imsi, nam_val ? "enable" : "disable", is_ps ? "PS" : "CS"); return ENOEXEC; } rc = db_subscr_nam(hlr->dbc, subscr->imsi, nam_val, is_ps); if (rc) return rc > 0? -rc : rc; /* If we're disabling, send a notice out to the GSUP client that is * responsible. Otherwise no need. */ if (nam_val) return 0; if (subscr->vlr_number[0] && !osmo_ipa_name_set_str(&vlr_name, subscr->vlr_number)) osmo_gsup_enc_send_to_ipa_name(g_hlr->gs, &vlr_name, &gsup_del_data); if (subscr->sgsn_number[0] && !osmo_ipa_name_set_str(&vlr_name, subscr->sgsn_number)) osmo_gsup_enc_send_to_ipa_name(g_hlr->gs, &vlr_name, &gsup_del_data); return 0; } /*********************************************************************** * Send Auth Info handling ***********************************************************************/ /* process an incoming SAI request */ static int rx_send_auth_info(struct osmo_gsup_req *req) { struct osmo_gsup_message gsup_out = { .message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT, }; bool separation_bit = false; int num_auth_vectors = OSMO_GSUP_MAX_NUM_AUTH_INFO; unsigned int auc_3g_ind; int rc; subscr_create_on_demand(req->gsup.imsi); if (req->gsup.current_rat_type == OSMO_RAT_EUTRAN_SGS) separation_bit = true; if (req->gsup.num_auth_vectors > 0 && req->gsup.num_auth_vectors <= OSMO_GSUP_MAX_NUM_AUTH_INFO) num_auth_vectors = req->gsup.num_auth_vectors; rc = db_ind(g_hlr->dbc, &req->source_name, &auc_3g_ind); if (rc) { LOG_GSUP_REQ(req, LOGL_ERROR, "Unable to determine 3G auth IND for source %s (rc=%d)," " generating tuples with IND = 0\n", osmo_cni_peer_id_to_str(&req->source_name), rc); auc_3g_ind = 0; } rc = db_get_auc(g_hlr->dbc, req->gsup.imsi, auc_3g_ind, gsup_out.auth_vectors, num_auth_vectors, req->gsup.rand, req->gsup.auts, separation_bit); if (rc <= 0) { switch (rc) { case 0: /* 0 means "0 tuples generated", which shouldn't happen. * Treat the same as "no auth data". */ case -ENOKEY: osmo_gsup_req_respond_err(req, GMM_CAUSE_IMSI_UNKNOWN, "IMSI known, but has no auth data;" " Returning slightly inaccurate cause 'IMSI Unknown' via GSUP"); return rc; case -ENOENT: osmo_gsup_req_respond_err(req, g_hlr->reject_cause, "IMSI unknown"); return rc; default: osmo_gsup_req_respond_err(req, GMM_CAUSE_NET_FAIL, "failure to look up IMSI in db"); return rc; } } gsup_out.num_auth_vectors = rc; osmo_gsup_req_respond(req, &gsup_out, false, true); return 0; } /*! Receive Update Location Request, creates new lu_operation */ static int rx_upd_loc_req(struct osmo_gsup_conn *conn, struct osmo_gsup_req *req) { switch (req->gsup.cn_domain) { case OSMO_GSUP_CN_DOMAIN_CS: conn->supports_cs = true; break; default: /* The client didn't send a CN_DOMAIN IE; assume packet-switched in * accordance with the GSUP spec in osmo-hlr's user manual (section * 11.6.15 "CN Domain" says "if no CN Domain IE is present within * a request, the PS Domain is assumed." */ case OSMO_GSUP_CN_DOMAIN_PS: conn->supports_ps = true; break; } subscr_create_on_demand(req->gsup.imsi); lu_rx_gsup(req); return 0; } static int rx_purge_ms_req(struct osmo_gsup_req *req) { bool is_ps = (req->gsup.cn_domain != OSMO_GSUP_CN_DOMAIN_CS); int rc; LOG_GSUP_REQ_CAT(req, DAUC, LOGL_INFO, "Purge MS (%s)\n", is_ps ? "PS" : "CS"); /* FIXME: check if the VLR that sends the purge is the same that * we have on record. Only update if yes */ /* Perform the actual update of the DB */ rc = db_subscr_purge(g_hlr->dbc, req->gsup.imsi, true, is_ps); if (rc == 0) osmo_gsup_req_respond_msgt(req, OSMO_GSUP_MSGT_PURGE_MS_RESULT, true); else if (rc == -ENOENT) osmo_gsup_req_respond_err(req, GMM_CAUSE_IMSI_UNKNOWN, "IMSI unknown"); else osmo_gsup_req_respond_err(req, GMM_CAUSE_NET_FAIL, "db error"); return rc; } static int rx_check_imei_req(struct osmo_gsup_req *req) { struct osmo_gsup_message gsup_reply; char imei[GSM23003_IMEI_NUM_DIGITS_NO_CHK+1] = {0}; const struct osmo_gsup_message *gsup = &req->gsup; int rc; /* Require IMEI */ if (!gsup->imei_enc) { osmo_gsup_req_respond_err(req, GMM_CAUSE_INV_MAND_INFO, "missing IMEI"); return -1; } /* Decode IMEI (fails if IMEI is too long) */ rc = gsm48_decode_bcd_number2(imei, sizeof(imei), gsup->imei_enc, gsup->imei_enc_len, 0); if (rc < 0) { osmo_gsup_req_respond_err(req, GMM_CAUSE_INV_MAND_INFO, "failed to decode IMEI %s (rc: %d)", osmo_hexdump_c(OTC_SELECT, gsup->imei_enc, gsup->imei_enc_len), rc); return -1; } /* Check if IMEI is too short */ if (!osmo_imei_str_valid(imei, false)) { osmo_gsup_req_respond_err(req, GMM_CAUSE_INV_MAND_INFO, "invalid IMEI: %s", osmo_quote_str_c(OTC_SELECT, imei, -1)); return -1; } subscr_create_on_demand(gsup->imsi); /* Save in DB if desired */ if (g_hlr->store_imei) { LOGP(DAUC, LOGL_DEBUG, "IMSI='%s': storing IMEI = %s\n", gsup->imsi, imei); if (db_subscr_update_imei_by_imsi(g_hlr->dbc, gsup->imsi, imei) < 0) { osmo_gsup_req_respond_err(req, GMM_CAUSE_INV_MAND_INFO, "Failed to store IMEI in HLR db"); return -1; } } else { /* Check if subscriber exists and print IMEI */ LOGP(DMAIN, LOGL_INFO, "IMSI='%s': has IMEI = %s (consider setting 'store-imei')\n", gsup->imsi, imei); struct hlr_subscriber subscr; if (db_subscr_get_by_imsi(g_hlr->dbc, gsup->imsi, &subscr) < 0) { osmo_gsup_req_respond_err(req, GMM_CAUSE_INV_MAND_INFO, "IMSI unknown"); return -1; } } /* Accept all IMEIs */ gsup_reply = (struct osmo_gsup_message){ .message_type = OSMO_GSUP_MSGT_CHECK_IMEI_RESULT, .imei_result = OSMO_GSUP_IMEI_RESULT_ACK, }; return osmo_gsup_req_respond(req, &gsup_reply, false, true); } static char namebuf[255]; #define LOGP_GSUP_FWD(gsup, level, fmt, args ...) \ LOGP(DMAIN, level, "Forward %s (class=%s, IMSI=%s, %s->%s): " fmt, \ osmo_gsup_message_type_name((gsup)->message_type), \ osmo_gsup_message_class_name((gsup)->message_class), \ (gsup)->imsi, \ osmo_quote_str((const char *)(gsup)->source_name, (gsup)->source_name_len), \ osmo_quote_str_buf2(namebuf, sizeof(namebuf), (const char *)(gsup)->destination_name, (gsup)->destination_name_len), \ ## args) static int read_cb_forward(struct osmo_gsup_req *req) { int ret = -EINVAL; const struct osmo_gsup_message *gsup = &req->gsup; struct osmo_gsup_message gsup_err; struct msgb *forward_msg; struct osmo_ipa_name destination_name; /* Check for routing IEs */ if (!req->gsup.source_name || !req->gsup.source_name_len || !req->gsup.destination_name || !req->gsup.destination_name_len) { LOGP_GSUP_FWD(&req->gsup, LOGL_ERROR, "missing routing IEs\n"); goto routing_error; } if (osmo_ipa_name_set(&destination_name, req->gsup.destination_name, req->gsup.destination_name_len)) { LOGP_GSUP_FWD(&req->gsup, LOGL_ERROR, "invalid destination name\n"); goto routing_error; } LOG_GSUP_REQ(req, LOGL_INFO, "Forwarding to %s\n", osmo_ipa_name_to_str(&destination_name)); /* Forward message without re-encoding (so we don't remove unknown IEs). * Copy GSUP part to forward, removing incoming IPA header to be able to prepend an outgoing IPA header */ forward_msg = osmo_gsup_msgb_alloc("GSUP forward"); forward_msg->l2h = msgb_put(forward_msg, msgb_l2len(req->msg)); memcpy(forward_msg->l2h, msgb_l2(req->msg), msgb_l2len(req->msg)); ret = osmo_gsup_send_to_ipa_name(g_hlr->gs, &destination_name, forward_msg); if (ret) { LOGP_GSUP_FWD(gsup, LOGL_ERROR, "%s (rc=%d)\n", ret == -ENODEV ? "destination not connected" : "unknown error", ret); goto routing_error; } osmo_gsup_req_free(req); return 0; routing_error: gsup_err = (struct osmo_gsup_message){ .message_type = OSMO_GSUP_MSGT_ROUTING_ERROR, .source_name = gsup->destination_name, .source_name_len = gsup->destination_name_len, }; osmo_gsup_req_respond(req, &gsup_err, true, true); return -1; } static int read_cb(struct osmo_gsup_conn *conn, struct msgb *msg) { struct osmo_gsup_req *req = osmo_gsup_conn_rx(conn, msg); if (!req) return -EINVAL; /* If the GSUP recipient is other than this HLR, forward. */ if (req->gsup.destination_name_len) { struct osmo_ipa_name destination_name; struct osmo_ipa_name my_name; osmo_ipa_name_set_str(&my_name, g_hlr->gsup_unit_name.serno); if (!osmo_ipa_name_set(&destination_name, req->gsup.destination_name, req->gsup.destination_name_len) && osmo_ipa_name_cmp(&destination_name, &my_name)) { return read_cb_forward(req); } } /* Distributed GSM: check whether to proxy for / lookup a remote HLR. * It would require less database hits to do this only if a local-only operation fails with "unknown IMSI", but * it becomes semantically easier if we do this once-off ahead of time. */ if (osmo_mslookup_client_active(g_hlr->mslookup.client.client) || osmo_sockaddr_str_is_nonzero(&g_hlr->mslookup.client.gsup_gateway_proxy)) { if (dgsm_check_forward_gsup_msg(req)) return 0; } /* HLR related messages that are handled at this HLR instance */ switch (req->gsup.message_type) { /* requests sent to us */ case OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: rx_send_auth_info(req); break; case OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: rx_upd_loc_req(conn, req); break; case OSMO_GSUP_MSGT_PURGE_MS_REQUEST: rx_purge_ms_req(req); break; /* responses to requests sent by us */ case OSMO_GSUP_MSGT_DELETE_DATA_ERROR: LOG_GSUP_REQ(req, LOGL_ERROR, "Peer responds with: Error while deleting subscriber data\n"); osmo_gsup_req_free(req); break; case OSMO_GSUP_MSGT_DELETE_DATA_RESULT: LOG_GSUP_REQ(req, LOGL_DEBUG, "Peer responds with: Subscriber data deleted\n"); osmo_gsup_req_free(req); break; case OSMO_GSUP_MSGT_PROC_SS_REQUEST: case OSMO_GSUP_MSGT_PROC_SS_RESULT: rx_proc_ss_req(req); break; case OSMO_GSUP_MSGT_PROC_SS_ERROR: rx_proc_ss_error(req); break; case OSMO_GSUP_MSGT_INSERT_DATA_ERROR: case OSMO_GSUP_MSGT_INSERT_DATA_RESULT: case OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR: case OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT: lu_rx_gsup(req); break; case OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST: rx_check_imei_req(req); break; case OSMO_GSUP_MSGT_MO_FORWARD_SM_REQUEST: forward_mo_sms(req); break; case OSMO_GSUP_MSGT_MT_FORWARD_SM_REQUEST: forward_mt_sms(req); break; case OSMO_GSUP_MSGT_READY_FOR_SM_REQUEST: rx_ready_for_sm_req(req); break; default: LOGP(DMAIN, LOGL_DEBUG, "Unhandled GSUP message type %s\n", osmo_gsup_message_type_name(req->gsup.message_type)); osmo_gsup_req_free(req); break; } return 0; } static void print_usage(void) { printf("Usage: osmo-hlr\n"); } static void print_help(void) { printf(" -h --help This text.\n"); printf(" -c --config-file filename The config file to use.\n"); printf(" -l --database db-name The database to use.\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(" -s --disable-color Do not print ANSI colors in the log\n"); printf(" -T --timestamp Prefix every log line with a timestamp.\n"); printf(" -e --log-level number Set a global loglevel.\n"); printf(" -U --db-upgrade Allow HLR database schema upgrades.\n"); printf(" -C --db-check Quit after opening (and upgrading) the database.\n"); printf(" -V --version Print the version of OsmoHLR.\n"); printf("\nVTY reference generation:\n"); printf(" --vty-ref-mode MODE VTY reference generation mode (e.g. 'expert').\n"); printf(" --vty-ref-xml Generate the VTY reference XML output and exit.\n"); } static struct { const char *config_file; const char *db_file; bool daemonize; bool db_upgrade; bool db_check; } cmdline_opts = { .config_file = "osmo-hlr.cfg", .db_file = NULL, .daemonize = false, .db_upgrade = false, }; static void handle_long_options(const char *prog_name, const int long_option) { static int vty_ref_mode = VTY_REF_GEN_MODE_DEFAULT; switch (long_option) { case 1: vty_ref_mode = get_string_value(vty_ref_gen_mode_names, optarg); if (vty_ref_mode < 0) { fprintf(stderr, "%s: Unknown VTY reference generation " "mode '%s'\n", prog_name, optarg); exit(2); } break; case 2: fprintf(stderr, "Generating the VTY reference in mode '%s' (%s)\n", get_value_string(vty_ref_gen_mode_names, vty_ref_mode), get_value_string(vty_ref_gen_mode_desc, vty_ref_mode)); vty_dump_xml_ref_mode(stdout, (enum vty_ref_gen_mode) vty_ref_mode); exit(0); default: fprintf(stderr, "%s: error parsing cmdline options\n", prog_name); exit(2); } } static void handle_options(int argc, char **argv) { while (1) { int option_index = 0, c; static int long_option = 0; static struct option long_options[] = { {"help", 0, 0, 'h'}, {"config-file", 1, 0, 'c'}, {"database", 1, 0, 'l'}, {"debug", 1, 0, 'd'}, {"daemonize", 0, 0, 'D'}, {"disable-color", 0, 0, 's'}, {"log-level", 1, 0, 'e'}, {"timestamp", 0, 0, 'T'}, {"db-upgrade", 0, 0, 'U' }, {"db-check", 0, 0, 'C' }, {"version", 0, 0, 'V' }, {"vty-ref-mode", 1, &long_option, 1}, {"vty-ref-xml", 0, &long_option, 2}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "hc:l:d:Dse:TUV", long_options, &option_index); if (c == -1) break; switch (c) { case 0: handle_long_options(argv[0], long_option); break; case 'h': print_usage(); print_help(); exit(0); case 'c': cmdline_opts.config_file = optarg; break; case 'l': cmdline_opts.db_file = optarg; break; case 'd': log_parse_category_mask(osmo_stderr_target, optarg); break; case 'D': cmdline_opts.daemonize = 1; break; case 's': log_set_use_color(osmo_stderr_target, 0); break; case 'e': log_set_log_level(osmo_stderr_target, atoi(optarg)); break; case 'T': log_set_print_timestamp(osmo_stderr_target, 1); break; case 'U': cmdline_opts.db_upgrade = true; break; case 'C': cmdline_opts.db_check = true; break; case 'V': print_version(1); exit(0); break; default: /* catch unknown options *as well as* missing arguments. */ fprintf(stderr, "Error in command line options. Exiting.\n"); exit(-1); break; } } if (argc > optind) { fprintf(stderr, "Unsupported positional arguments on command line\n"); exit(2); } } static void signal_hdlr(int signal) { switch (signal) { case SIGTERM: case SIGINT: LOGP(DMAIN, LOGL_NOTICE, "Terminating due to signal=%d\n", signal); quit++; break; case SIGUSR1: LOGP(DMAIN, LOGL_DEBUG, "Talloc Report due to SIGUSR1\n"); talloc_report_full(hlr_ctx, stderr); break; } } static const char vlr_copyright[] = "Copyright (C) 2016-2023 by Harald Welte, sysmocom s.f.m.c. GmbH\r\n" "License AGPLv3+: GNU AGPL version 3 or later \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 struct vty_app_info vty_info = { .name = "OsmoHLR", .version = PACKAGE_VERSION, .copyright = vlr_copyright, .is_config_node = hlr_vty_is_config_node, .go_parent_cb = hlr_vty_go_parent, }; int main(int argc, char **argv) { int rc; /* Track the use of talloc NULL memory contexts */ talloc_enable_null_tracking(); hlr_ctx = talloc_named_const(NULL, 1, "OsmoHLR"); msgb_talloc_ctx_init(hlr_ctx, 0); vty_info.tall_ctx = hlr_ctx; g_hlr = talloc_zero(hlr_ctx, struct hlr); INIT_LLIST_HEAD(&g_hlr->euse_list); INIT_LLIST_HEAD(&g_hlr->smsc_list); INIT_LLIST_HEAD(&g_hlr->ss_sessions); INIT_LLIST_HEAD(&g_hlr->ussd_routes); INIT_LLIST_HEAD(&g_hlr->smsc_routes); INIT_LLIST_HEAD(&g_hlr->mslookup.server.local_site_services); g_hlr->db_file_path = talloc_strdup(g_hlr, HLR_DEFAULT_DB_FILE_PATH); g_hlr->mslookup.server.mdns.domain_suffix = talloc_strdup(g_hlr, OSMO_MDNS_DOMAIN_SUFFIX_DEFAULT); g_hlr->mslookup.client.mdns.domain_suffix = talloc_strdup(g_hlr, OSMO_MDNS_DOMAIN_SUFFIX_DEFAULT); g_hlr->reject_cause = GMM_CAUSE_PLMN_NOTALLOWED; g_hlr->no_proxy_reject_cause = GMM_CAUSE_IMSI_UNKNOWN; /* Init default (call independent) SS session guard timeout value */ g_hlr->ncss_guard_timeout = NCSS_GUARD_TIMEOUT_DEFAULT; rc = osmo_init_logging2(hlr_ctx, &hlr_log_info); if (rc < 0) { fprintf(stderr, "Error initializing logging\n"); exit(1); } /* Set up llists and objects, startup is happening from VTY commands. */ dgsm_init(hlr_ctx); osmo_stats_init(hlr_ctx); vty_init(&vty_info); ctrl_vty_init(hlr_ctx); hlr_vty_init(hlr_ctx); dgsm_vty_init(); osmo_cpu_sched_vty_init(hlr_ctx); handle_options(argc, argv); rc = vty_read_config_file(cmdline_opts.config_file, NULL); if (rc < 0) { LOGP(DMAIN, LOGL_FATAL, "Failed to parse the config file: '%s'\n", cmdline_opts.config_file); return rc; } LOGP(DMAIN, LOGL_NOTICE, "hlr starting\n"); rc = rand_init(); if (rc < 0) { LOGP(DMAIN, LOGL_FATAL, "Error initializing random source\n"); exit(1); } if (cmdline_opts.db_file) osmo_talloc_replace_string(g_hlr, &g_hlr->db_file_path, cmdline_opts.db_file); g_hlr->dbc = db_open(hlr_ctx, g_hlr->db_file_path, true, cmdline_opts.db_upgrade); if (!g_hlr->dbc) { LOGP(DMAIN, LOGL_FATAL, "Error opening database %s\n", osmo_quote_str(g_hlr->db_file_path, -1)); exit(1); } if (cmdline_opts.db_check) { LOGP(DMAIN, LOGL_NOTICE, "Cmdline option --db-check: Database was opened successfully, quitting.\n"); db_close(g_hlr->dbc); log_fini(); talloc_free(hlr_ctx); talloc_free(tall_vty_ctx); talloc_disable_null_tracking(); exit(0); } /* start telnet after reading config for vty_get_bind_addr() */ rc = telnet_init_default(hlr_ctx, NULL, OSMO_VTY_PORT_HLR); if (rc < 0) return rc; g_hlr->gs = osmo_gsup_server_create(hlr_ctx, g_hlr->gsup_bind_addr, OSMO_GSUP_PORT, read_cb, g_hlr); if (!g_hlr->gs) { LOGP(DMAIN, LOGL_FATAL, "Error starting GSUP server\n"); exit(1); } proxy_init(g_hlr->gs); g_hlr->ctrl = hlr_controlif_setup(g_hlr); dgsm_start(hlr_ctx); osmo_init_ignore_signals(); signal(SIGINT, &signal_hdlr); signal(SIGTERM, &signal_hdlr); signal(SIGUSR1, &signal_hdlr); if (cmdline_opts.daemonize) { rc = osmo_daemonize(); if (rc < 0) { perror("Error during daemonize"); exit(1); } } while (!quit) osmo_select_main_ctx(0); dgsm_stop(); osmo_gsup_server_destroy(g_hlr->gs); db_close(g_hlr->dbc); log_fini(); /** * Report the heap state of root context, then free, * so both ASAN and Valgrind are happy... */ talloc_report_full(hlr_ctx, stderr); talloc_free(hlr_ctx); /* FIXME: VTY code still uses NULL-context */ talloc_free(tall_vty_ctx); /** * Report the heap state of NULL context, then free, * so both ASAN and Valgrind are happy... */ talloc_report_full(NULL, stderr); talloc_disable_null_tracking(); return 0; }