Harald Welte | 936f672 | 2016-05-03 18:51:18 +0200 | [diff] [blame] | 1 | /* (C) 2016 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU Affero General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 20 | #include <signal.h> |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 21 | #include <errno.h> |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 22 | #include <stdbool.h> |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 23 | #include <getopt.h> |
| 24 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 25 | #include <osmocom/core/msgb.h> |
| 26 | #include <osmocom/core/logging.h> |
| 27 | #include <osmocom/core/application.h> |
| 28 | #include <osmocom/gsm/gsup.h> |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 29 | #include <osmocom/vty/vty.h> |
| 30 | #include <osmocom/vty/command.h> |
| 31 | #include <osmocom/vty/telnet_interface.h> |
| 32 | #include <osmocom/vty/ports.h> |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 33 | #include <osmocom/ctrl/control_vty.h> |
Neels Hofmeyr | 5aeb438 | 2018-05-04 16:02:44 +0200 | [diff] [blame] | 34 | #include <osmocom/gsm/apn.h> |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 35 | |
| 36 | #include "db.h" |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 37 | #include "hlr.h" |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 38 | #include "ctrl.h" |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 39 | #include "logging.h" |
| 40 | #include "gsup_server.h" |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 41 | #include "gsup_router.h" |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 42 | #include "rand.h" |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 43 | #include "luop.h" |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 44 | #include "hlr_vty.h" |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 45 | |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 46 | static struct hlr *g_hlr; |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 47 | |
Stefan Sperling | f162252 | 2018-04-09 11:39:16 +0200 | [diff] [blame] | 48 | /* Trigger 'Insert Subscriber Data' messages to all connected GSUP clients. |
| 49 | * |
| 50 | * FIXME: In order to support large-scale networks this function should skip |
| 51 | * VLRs/SGSNs which do not currently serve the subscriber. |
| 52 | * |
| 53 | * \param[in] subscr A subscriber we have new data to send for. |
| 54 | */ |
| 55 | void |
| 56 | osmo_hlr_subscriber_update_notify(struct hlr_subscriber *subscr) |
| 57 | { |
| 58 | struct osmo_gsup_conn *co; |
| 59 | |
| 60 | if (g_hlr->gs == NULL) |
| 61 | return; |
| 62 | |
| 63 | llist_for_each_entry(co, &g_hlr->gs->clients, list) { |
Stefan Sperling | f83432c | 2018-05-03 14:26:59 +0200 | [diff] [blame^] | 64 | struct osmo_gsup_message gsup = { }; |
| 65 | uint8_t msisdn_enc[OSMO_GSUP_MAX_CALLED_PARTY_BCD_LEN]; |
| 66 | uint8_t apn[APN_MAXLEN]; |
| 67 | struct msgb *msg_out; |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 68 | uint8_t *peer; |
| 69 | int peer_len; |
Stefan Sperling | f83432c | 2018-05-03 14:26:59 +0200 | [diff] [blame^] | 70 | enum osmo_gsup_cn_domain cn_domain; |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 71 | |
Stefan Sperling | f83432c | 2018-05-03 14:26:59 +0200 | [diff] [blame^] | 72 | if (co->supports_ps) |
| 73 | cn_domain = OSMO_GSUP_CN_DOMAIN_PS; |
| 74 | else if (co->supports_cs) |
| 75 | cn_domain = OSMO_GSUP_CN_DOMAIN_CS; |
| 76 | else { |
| 77 | /* We have not yet received a location update from this subscriber .*/ |
| 78 | continue; |
| 79 | } |
| 80 | |
| 81 | if (osmo_gsup_create_insert_subscriber_data_msg(&gsup, subscr->imsi, subscr->msisdn, msisdn_enc, |
| 82 | sizeof(msisdn_enc), apn, sizeof(apn), cn_domain) != 0) { |
Stefan Sperling | f162252 | 2018-04-09 11:39:16 +0200 | [diff] [blame] | 83 | LOGP(DMAIN, LOGL_ERROR, |
Stefan Sperling | f83432c | 2018-05-03 14:26:59 +0200 | [diff] [blame^] | 84 | "IMSI='%s': Cannot notify GSUP client; could not create gsup message " |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 85 | "for %s:%u\n", subscr->imsi, |
Stefan Sperling | f162252 | 2018-04-09 11:39:16 +0200 | [diff] [blame] | 86 | co && co->conn && co->conn->server? co->conn->server->addr : "unset", |
| 87 | co && co->conn && co->conn->server? co->conn->server->port : 0); |
| 88 | continue; |
| 89 | } |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 90 | |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 91 | /* Send ISD to MSC/SGSN */ |
| 92 | msg_out = msgb_alloc_headroom(1024+16, 16, "GSUP ISD UPDATE"); |
| 93 | if (msg_out == NULL) { |
| 94 | LOGP(DMAIN, LOGL_ERROR, |
| 95 | "IMSI='%s': Cannot notify GSUP client; could not allocate msg buffer " |
| 96 | "for %s:%u\n", subscr->imsi, |
| 97 | co && co->conn && co->conn->server? co->conn->server->addr : "unset", |
| 98 | co && co->conn && co->conn->server? co->conn->server->port : 0); |
| 99 | continue; |
| 100 | } |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 101 | osmo_gsup_encode(msg_out, &gsup); |
Stefan Sperling | f83432c | 2018-05-03 14:26:59 +0200 | [diff] [blame^] | 102 | |
| 103 | peer_len = osmo_gsup_conn_ccm_get(co, &peer, IPAC_IDTAG_SERNR); |
| 104 | if (peer_len < 0) { |
| 105 | LOGP(DMAIN, LOGL_ERROR, |
| 106 | "IMSI='%s': cannot get peer name for connection %s:%u\n", subscr->imsi, |
| 107 | co && co->conn && co->conn->server? co->conn->server->addr : "unset", |
| 108 | co && co->conn && co->conn->server? co->conn->server->port : 0); |
| 109 | continue; |
| 110 | } |
| 111 | |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 112 | if (osmo_gsup_addr_send(g_hlr->gs, peer, peer_len, msg_out) < 0) { |
| 113 | LOGP(DMAIN, LOGL_ERROR, |
| 114 | "IMSI='%s': Cannot notify GSUP client; send operation failed " |
| 115 | "for %s:%u\n", subscr->imsi, |
| 116 | co && co->conn && co->conn->server? co->conn->server->addr : "unset", |
| 117 | co && co->conn && co->conn->server? co->conn->server->port : 0); |
| 118 | continue; |
| 119 | } |
Stefan Sperling | f162252 | 2018-04-09 11:39:16 +0200 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 123 | /*********************************************************************** |
| 124 | * Send Auth Info handling |
| 125 | ***********************************************************************/ |
| 126 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 127 | /* process an incoming SAI request */ |
| 128 | static int rx_send_auth_info(struct osmo_gsup_conn *conn, |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 129 | const struct osmo_gsup_message *gsup, |
| 130 | struct db_context *dbc) |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 131 | { |
| 132 | struct osmo_gsup_message gsup_out; |
| 133 | struct msgb *msg_out; |
| 134 | int rc; |
| 135 | |
| 136 | /* initialize return message structure */ |
| 137 | memset(&gsup_out, 0, sizeof(gsup_out)); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 138 | memcpy(&gsup_out.imsi, &gsup->imsi, sizeof(gsup_out.imsi)); |
| 139 | |
Neels Hofmeyr | cab2fcd | 2017-03-15 00:07:43 +0100 | [diff] [blame] | 140 | rc = db_get_auc(dbc, gsup->imsi, conn->auc_3g_ind, |
| 141 | gsup_out.auth_vectors, |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 142 | ARRAY_SIZE(gsup_out.auth_vectors), |
Harald Welte | 9be0d2f | 2016-06-10 17:34:02 +0200 | [diff] [blame] | 143 | gsup->rand, gsup->auts); |
Neels Hofmeyr | 671db90 | 2017-11-22 20:38:19 +0100 | [diff] [blame] | 144 | if (rc <= 0) { |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 145 | gsup_out.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR; |
Neels Hofmeyr | 671db90 | 2017-11-22 20:38:19 +0100 | [diff] [blame] | 146 | switch (rc) { |
| 147 | case 0: |
Neels Hofmeyr | bd1dca0 | 2017-11-23 15:25:30 +0100 | [diff] [blame] | 148 | /* 0 means "0 tuples generated", which shouldn't happen. |
| 149 | * Treat the same as "no auth data". */ |
| 150 | case -ENOKEY: |
Neels Hofmeyr | ab4d509 | 2017-11-23 15:31:12 +0100 | [diff] [blame] | 151 | LOGP(DAUC, LOGL_NOTICE, "%s: IMSI known, but has no auth data;" |
| 152 | " Returning slightly inaccurate cause 'IMSI Unknown' via GSUP\n", |
| 153 | gsup->imsi); |
| 154 | gsup_out.cause = GMM_CAUSE_IMSI_UNKNOWN; |
| 155 | break; |
Neels Hofmeyr | 33cbde9 | 2017-11-22 20:39:59 +0100 | [diff] [blame] | 156 | case -ENOENT: |
Neels Hofmeyr | ab4d509 | 2017-11-23 15:31:12 +0100 | [diff] [blame] | 157 | LOGP(DAUC, LOGL_NOTICE, "%s: IMSI not known\n", gsup->imsi); |
Neels Hofmeyr | 671db90 | 2017-11-22 20:38:19 +0100 | [diff] [blame] | 158 | gsup_out.cause = GMM_CAUSE_IMSI_UNKNOWN; |
| 159 | break; |
| 160 | default: |
Neels Hofmeyr | ab4d509 | 2017-11-23 15:31:12 +0100 | [diff] [blame] | 161 | LOGP(DAUC, LOGL_ERROR, "%s: failure to look up IMSI in db\n", gsup->imsi); |
Neels Hofmeyr | 671db90 | 2017-11-22 20:38:19 +0100 | [diff] [blame] | 162 | gsup_out.cause = GMM_CAUSE_NET_FAIL; |
| 163 | break; |
| 164 | } |
Harald Welte | 15db826 | 2016-05-05 16:50:39 +0200 | [diff] [blame] | 165 | } else { |
| 166 | gsup_out.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT; |
| 167 | gsup_out.num_auth_vectors = rc; |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 168 | } |
| 169 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 170 | msg_out = msgb_alloc_headroom(1024+16, 16, "GSUP AUC response"); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 171 | osmo_gsup_encode(msg_out, &gsup_out); |
| 172 | return osmo_gsup_conn_send(conn, msg_out); |
| 173 | } |
| 174 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 175 | /*********************************************************************** |
| 176 | * LU Operation State / Structure |
| 177 | ***********************************************************************/ |
| 178 | |
| 179 | static LLIST_HEAD(g_lu_ops); |
| 180 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 181 | /*! Receive Cancel Location Result from old VLR/SGSN */ |
| 182 | void lu_op_rx_cancel_old_ack(struct lu_operation *luop, |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 183 | const struct osmo_gsup_message *gsup) |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 184 | { |
| 185 | OSMO_ASSERT(luop->state == LU_S_CANCEL_SENT); |
| 186 | /* FIXME: Check for spoofing */ |
| 187 | |
| 188 | osmo_timer_del(&luop->timer); |
| 189 | |
| 190 | /* FIXME */ |
| 191 | |
| 192 | lu_op_tx_insert_subscr_data(luop); |
| 193 | } |
| 194 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 195 | /*! Receive Insert Subscriber Data Result from new VLR/SGSN */ |
| 196 | static void lu_op_rx_insert_subscr_data_ack(struct lu_operation *luop, |
| 197 | const struct osmo_gsup_message *gsup) |
| 198 | { |
| 199 | OSMO_ASSERT(luop->state == LU_S_ISD_SENT); |
| 200 | /* FIXME: Check for spoofing */ |
| 201 | |
| 202 | osmo_timer_del(&luop->timer); |
| 203 | |
| 204 | /* Subscriber_Present_HLR */ |
| 205 | /* CS only: Check_SS_required? -> MAP-FW-CHECK_SS_IND.req */ |
| 206 | |
| 207 | /* Send final ACK towards inquiring VLR/SGSN */ |
| 208 | lu_op_tx_ack(luop); |
| 209 | } |
| 210 | |
| 211 | /*! Receive GSUP message for given \ref lu_operation */ |
| 212 | void lu_op_rx_gsup(struct lu_operation *luop, |
| 213 | const struct osmo_gsup_message *gsup) |
| 214 | { |
| 215 | switch (gsup->message_type) { |
| 216 | case OSMO_GSUP_MSGT_INSERT_DATA_ERROR: |
| 217 | /* FIXME */ |
| 218 | break; |
| 219 | case OSMO_GSUP_MSGT_INSERT_DATA_RESULT: |
| 220 | lu_op_rx_insert_subscr_data_ack(luop, gsup); |
| 221 | break; |
| 222 | case OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR: |
| 223 | /* FIXME */ |
| 224 | break; |
| 225 | case OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT: |
| 226 | lu_op_rx_cancel_old_ack(luop, gsup); |
| 227 | break; |
| 228 | default: |
| 229 | LOGP(DMAIN, LOGL_ERROR, "Unhandled GSUP msg_type 0x%02x\n", |
| 230 | gsup->message_type); |
| 231 | break; |
| 232 | } |
| 233 | } |
| 234 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 235 | /*! Receive Update Location Request, creates new \ref lu_operation */ |
| 236 | static int rx_upd_loc_req(struct osmo_gsup_conn *conn, |
| 237 | const struct osmo_gsup_message *gsup) |
| 238 | { |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 239 | struct lu_operation *luop = lu_op_alloc_conn(conn); |
| 240 | if (!luop) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 241 | LOGP(DMAIN, LOGL_ERROR, "LU REQ from conn without addr?\n"); |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 242 | return -EINVAL; |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 243 | } |
| 244 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 245 | lu_op_statechg(luop, LU_S_LU_RECEIVED); |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 246 | |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 247 | if (gsup->cn_domain == OSMO_GSUP_CN_DOMAIN_CS) |
| 248 | conn->supports_cs = true; |
| 249 | if (gsup->cn_domain == OSMO_GSUP_CN_DOMAIN_PS) { |
| 250 | conn->supports_ps = true; |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 251 | luop->is_ps = true; |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 252 | } else { |
| 253 | /* The client didn't send a CN_DOMAIN IE; assume packet-switched in |
| 254 | * accordance with the GSUP spec in osmo-hlr's user manual (section |
| 255 | * 11.6.15 "CN Domain" says "if no CN Domain IE is present within |
| 256 | * a request, the PS Domain is assumed." */ |
| 257 | conn->supports_ps = true; |
Stefan Sperling | 1cb4892 | 2018-05-03 14:05:56 +0200 | [diff] [blame] | 258 | luop->is_ps = true; |
Stefan Sperling | 93c5b10 | 2018-04-10 19:26:14 +0200 | [diff] [blame] | 259 | } |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 260 | llist_add(&luop->list, &g_lu_ops); |
| 261 | |
| 262 | /* Roughly follwing "Process Update_Location_HLR" of TS 09.02 */ |
| 263 | |
| 264 | /* check if subscriber is known at all */ |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 265 | if (!lu_op_fill_subscr(luop, g_hlr->dbc, gsup->imsi)) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 266 | /* Send Error back: Subscriber Unknown in HLR */ |
Harald Welte | bd0d5bf | 2017-11-06 03:55:02 +0900 | [diff] [blame] | 267 | osmo_strlcpy(luop->subscr.imsi, gsup->imsi, sizeof(luop->subscr.imsi)); |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 268 | lu_op_tx_error(luop, GMM_CAUSE_IMSI_UNKNOWN); |
| 269 | return 0; |
| 270 | } |
| 271 | |
Harald Welte | 9990927 | 2016-05-05 18:24:15 +0200 | [diff] [blame] | 272 | /* Check if subscriber is generally permitted on CS or PS |
| 273 | * service (as requested) */ |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 274 | if (!luop->is_ps && !luop->subscr.nam_cs) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 275 | lu_op_tx_error(luop, GMM_CAUSE_PLMN_NOTALLOWED); |
| 276 | return 0; |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 277 | } else if (luop->is_ps && !luop->subscr.nam_ps) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 278 | lu_op_tx_error(luop, GMM_CAUSE_GPRS_NOTALLOWED); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | /* TODO: Set subscriber tracing = deactive in VLR/SGSN */ |
| 283 | |
| 284 | #if 0 |
| 285 | /* Cancel in old VLR/SGSN, if new VLR/SGSN differs from old */ |
| 286 | if (luop->is_ps == false && |
| 287 | strcmp(subscr->vlr_number, vlr_number)) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 288 | lu_op_tx_cancel_old(luop); |
| 289 | } else if (luop->is_ps == true && |
| 290 | strcmp(subscr->sgsn_number, sgsn_number)) { |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 291 | lu_op_tx_cancel_old(luop); |
| 292 | } else |
| 293 | #endif |
| 294 | { |
| 295 | /* TODO: Subscriber allowed to roam in PLMN? */ |
| 296 | /* TODO: Update RoutingInfo */ |
| 297 | /* TODO: Reset Flag MS Purged (cs/ps) */ |
| 298 | /* TODO: Control_Tracing_HLR / Control_Tracing_HLR_with_SGSN */ |
| 299 | lu_op_tx_insert_subscr_data(luop); |
| 300 | } |
| 301 | return 0; |
| 302 | } |
| 303 | |
Harald Welte | b18f0e0 | 2016-05-05 21:03:03 +0200 | [diff] [blame] | 304 | static int rx_purge_ms_req(struct osmo_gsup_conn *conn, |
| 305 | const struct osmo_gsup_message *gsup) |
| 306 | { |
| 307 | struct osmo_gsup_message gsup_reply = {0}; |
| 308 | struct msgb *msg_out; |
| 309 | bool is_ps = false; |
| 310 | int rc; |
| 311 | |
| 312 | LOGP(DAUC, LOGL_INFO, "%s: Purge MS (%s)\n", gsup->imsi, |
| 313 | is_ps ? "PS" : "CS"); |
| 314 | |
| 315 | memcpy(gsup_reply.imsi, gsup->imsi, sizeof(gsup_reply.imsi)); |
| 316 | |
| 317 | if (gsup->cn_domain == OSMO_GSUP_CN_DOMAIN_PS) |
| 318 | is_ps = true; |
| 319 | |
| 320 | /* FIXME: check if the VLR that sends the purge is the same that |
| 321 | * we have on record. Only update if yes */ |
| 322 | |
| 323 | /* Perform the actual update of the DB */ |
Neels Hofmeyr | e50121e | 2017-10-09 17:48:51 +0200 | [diff] [blame] | 324 | rc = db_subscr_purge(g_hlr->dbc, gsup->imsi, true, is_ps); |
Harald Welte | b18f0e0 | 2016-05-05 21:03:03 +0200 | [diff] [blame] | 325 | |
Harald Welte | 3f2a9a2 | 2018-03-01 23:35:35 +0100 | [diff] [blame] | 326 | if (rc == 0) |
Harald Welte | b18f0e0 | 2016-05-05 21:03:03 +0200 | [diff] [blame] | 327 | gsup_reply.message_type = OSMO_GSUP_MSGT_PURGE_MS_RESULT; |
Harald Welte | 3f2a9a2 | 2018-03-01 23:35:35 +0100 | [diff] [blame] | 328 | else if (rc == -ENOENT) { |
Harald Welte | b18f0e0 | 2016-05-05 21:03:03 +0200 | [diff] [blame] | 329 | gsup_reply.message_type = OSMO_GSUP_MSGT_PURGE_MS_ERROR; |
| 330 | gsup_reply.cause = GMM_CAUSE_IMSI_UNKNOWN; |
| 331 | } else { |
| 332 | gsup_reply.message_type = OSMO_GSUP_MSGT_PURGE_MS_ERROR; |
| 333 | gsup_reply.cause = GMM_CAUSE_NET_FAIL; |
| 334 | } |
| 335 | |
| 336 | msg_out = msgb_alloc_headroom(1024+16, 16, "GSUP AUC response"); |
| 337 | osmo_gsup_encode(msg_out, &gsup_reply); |
| 338 | return osmo_gsup_conn_send(conn, msg_out); |
| 339 | } |
| 340 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 341 | static int read_cb(struct osmo_gsup_conn *conn, struct msgb *msg) |
| 342 | { |
| 343 | static struct osmo_gsup_message gsup; |
| 344 | int rc; |
| 345 | |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 346 | rc = osmo_gsup_decode(msgb_l2(msg), msgb_l2len(msg), &gsup); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 347 | if (rc < 0) { |
| 348 | LOGP(DMAIN, LOGL_ERROR, "error in GSUP decode: %d\n", rc); |
| 349 | return rc; |
| 350 | } |
| 351 | |
| 352 | switch (gsup.message_type) { |
| 353 | /* requests sent to us */ |
| 354 | case OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 355 | rx_send_auth_info(conn, &gsup, g_hlr->dbc); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 356 | break; |
| 357 | case OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 358 | rx_upd_loc_req(conn, &gsup); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 359 | break; |
Harald Welte | b18f0e0 | 2016-05-05 21:03:03 +0200 | [diff] [blame] | 360 | case OSMO_GSUP_MSGT_PURGE_MS_REQUEST: |
| 361 | rx_purge_ms_req(conn, &gsup); |
| 362 | break; |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 363 | /* responses to requests sent by us */ |
Max | 9cacb6f | 2017-02-20 17:22:56 +0100 | [diff] [blame] | 364 | case OSMO_GSUP_MSGT_DELETE_DATA_ERROR: |
| 365 | LOGP(DMAIN, LOGL_ERROR, "Error while deleting subscriber data " |
| 366 | "for IMSI %s\n", gsup.imsi); |
| 367 | break; |
| 368 | case OSMO_GSUP_MSGT_DELETE_DATA_RESULT: |
| 369 | LOGP(DMAIN, LOGL_ERROR, "Deleting subscriber data for IMSI %s\n", |
| 370 | gsup.imsi); |
| 371 | break; |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 372 | case OSMO_GSUP_MSGT_INSERT_DATA_ERROR: |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 373 | case OSMO_GSUP_MSGT_INSERT_DATA_RESULT: |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 374 | case OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR: |
| 375 | case OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT: |
| 376 | { |
Max | ea8b0d4 | 2017-02-14 16:53:04 +0100 | [diff] [blame] | 377 | struct lu_operation *luop = lu_op_by_imsi(gsup.imsi, |
| 378 | &g_lu_ops); |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 379 | if (!luop) { |
Max | aa0fefd | 2017-02-16 12:25:22 +0100 | [diff] [blame] | 380 | LOGP(DMAIN, LOGL_ERROR, "GSUP message %s for " |
| 381 | "unknown IMSI %s\n", |
| 382 | osmo_gsup_message_type_name(gsup.message_type), |
Harald Welte | e687be5 | 2016-05-03 18:49:27 +0200 | [diff] [blame] | 383 | gsup.imsi); |
| 384 | break; |
| 385 | } |
| 386 | lu_op_rx_gsup(luop, &gsup); |
| 387 | } |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 388 | break; |
| 389 | default: |
Max | aa0fefd | 2017-02-16 12:25:22 +0100 | [diff] [blame] | 390 | LOGP(DMAIN, LOGL_DEBUG, "Unhandled GSUP message type %s\n", |
| 391 | osmo_gsup_message_type_name(gsup.message_type)); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 392 | break; |
| 393 | } |
Harald Welte | 5341b5d | 2016-04-28 12:48:39 +0200 | [diff] [blame] | 394 | msgb_free(msg); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 395 | return 0; |
| 396 | } |
| 397 | |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 398 | static void print_usage() |
| 399 | { |
| 400 | printf("Usage: osmo-hlr\n"); |
| 401 | } |
| 402 | |
| 403 | static void print_help() |
| 404 | { |
| 405 | printf(" -h --help This text.\n"); |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 406 | printf(" -c --config-file filename The config file to use.\n"); |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 407 | printf(" -l --database db-name The database to use.\n"); |
| 408 | printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM Enable debugging.\n"); |
| 409 | printf(" -D --daemonize Fork the process into a background daemon.\n"); |
| 410 | printf(" -s --disable-color Do not print ANSI colors in the log\n"); |
| 411 | printf(" -T --timestamp Prefix every log line with a timestamp.\n"); |
| 412 | printf(" -e --log-level number Set a global loglevel.\n"); |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 413 | printf(" -V --version Print the version of OsmoHLR.\n"); |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | static struct { |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 417 | const char *config_file; |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 418 | const char *db_file; |
| 419 | bool daemonize; |
| 420 | } cmdline_opts = { |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 421 | .config_file = "osmo-hlr.cfg", |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 422 | .db_file = "hlr.db", |
| 423 | .daemonize = false, |
| 424 | }; |
| 425 | |
| 426 | static void handle_options(int argc, char **argv) |
| 427 | { |
| 428 | while (1) { |
| 429 | int option_index = 0, c; |
| 430 | static struct option long_options[] = { |
| 431 | {"help", 0, 0, 'h'}, |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 432 | {"config-file", 1, 0, 'c'}, |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 433 | {"database", 1, 0, 'l'}, |
| 434 | {"debug", 1, 0, 'd'}, |
| 435 | {"daemonize", 0, 0, 'D'}, |
| 436 | {"disable-color", 0, 0, 's'}, |
| 437 | {"log-level", 1, 0, 'e'}, |
| 438 | {"timestamp", 0, 0, 'T'}, |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 439 | {"version", 0, 0, 'V' }, |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 440 | {0, 0, 0, 0} |
| 441 | }; |
| 442 | |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 443 | c = getopt_long(argc, argv, "hc:l:d:Dse:TV", |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 444 | long_options, &option_index); |
| 445 | if (c == -1) |
| 446 | break; |
| 447 | |
| 448 | switch (c) { |
| 449 | case 'h': |
| 450 | print_usage(); |
| 451 | print_help(); |
| 452 | exit(0); |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 453 | case 'c': |
| 454 | cmdline_opts.config_file = optarg; |
| 455 | break; |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 456 | case 'l': |
| 457 | cmdline_opts.db_file = optarg; |
| 458 | break; |
| 459 | case 'd': |
| 460 | log_parse_category_mask(osmo_stderr_target, optarg); |
| 461 | break; |
| 462 | case 'D': |
| 463 | cmdline_opts.daemonize = 1; |
| 464 | break; |
| 465 | case 's': |
| 466 | log_set_use_color(osmo_stderr_target, 0); |
| 467 | break; |
| 468 | case 'e': |
| 469 | log_set_log_level(osmo_stderr_target, atoi(optarg)); |
| 470 | break; |
| 471 | case 'T': |
| 472 | log_set_print_timestamp(osmo_stderr_target, 1); |
| 473 | break; |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 474 | case 'V': |
| 475 | print_version(1); |
| 476 | exit(0); |
| 477 | break; |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 478 | default: |
| 479 | /* catch unknown options *as well as* missing arguments. */ |
| 480 | fprintf(stderr, "Error in command line options. Exiting.\n"); |
| 481 | exit(-1); |
| 482 | break; |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | |
Neels Hofmeyr | ca43e30 | 2017-01-30 13:18:23 +0100 | [diff] [blame] | 487 | static void *hlr_ctx = NULL; |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 488 | |
| 489 | static void signal_hdlr(int signal) |
| 490 | { |
| 491 | switch (signal) { |
| 492 | case SIGINT: |
| 493 | LOGP(DMAIN, LOGL_NOTICE, "Terminating due to SIGINT\n"); |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 494 | osmo_gsup_server_destroy(g_hlr->gs); |
| 495 | db_close(g_hlr->dbc); |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 496 | log_fini(); |
Neels Hofmeyr | ca43e30 | 2017-01-30 13:18:23 +0100 | [diff] [blame] | 497 | talloc_report_full(hlr_ctx, stderr); |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 498 | exit(0); |
| 499 | break; |
| 500 | case SIGUSR1: |
| 501 | LOGP(DMAIN, LOGL_DEBUG, "Talloc Report due to SIGUSR1\n"); |
Neels Hofmeyr | ca43e30 | 2017-01-30 13:18:23 +0100 | [diff] [blame] | 502 | talloc_report_full(hlr_ctx, stderr); |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 503 | break; |
| 504 | } |
| 505 | } |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 506 | |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 507 | static const char vlr_copyright[] = |
| 508 | "Copyright (C) 2016, 2017 by Harald Welte, sysmocom s.f.m.c. GmbH\r\n" |
| 509 | "License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n" |
| 510 | "This is free software: you are free to change and redistribute it.\r\n" |
| 511 | "There is NO WARRANTY, to the extent permitted by law.\r\n"; |
| 512 | |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 513 | static struct vty_app_info vty_info = { |
| 514 | .name = "OsmoHLR", |
| 515 | .version = PACKAGE_VERSION, |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 516 | .copyright = vlr_copyright, |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 517 | .is_config_node = hlr_vty_is_config_node, |
Pau Espin Pedrol | ce9bc40 | 2017-05-31 13:19:22 +0200 | [diff] [blame] | 518 | .go_parent_cb = hlr_vty_go_parent, |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 519 | }; |
| 520 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 521 | int main(int argc, char **argv) |
| 522 | { |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 523 | int rc; |
| 524 | |
Neels Hofmeyr | ca43e30 | 2017-01-30 13:18:23 +0100 | [diff] [blame] | 525 | hlr_ctx = talloc_named_const(NULL, 1, "OsmoHLR"); |
| 526 | msgb_talloc_ctx_init(hlr_ctx, 0); |
Harald Welte | 7ee6e55 | 2018-02-14 00:52:05 +0100 | [diff] [blame] | 527 | vty_info.tall_ctx = hlr_ctx; |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 528 | |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 529 | g_hlr = talloc_zero(hlr_ctx, struct hlr); |
| 530 | |
Pau Espin Pedrol | 5153031 | 2018-04-17 15:07:06 +0200 | [diff] [blame] | 531 | rc = osmo_init_logging2(hlr_ctx, &hlr_log_info); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 532 | if (rc < 0) { |
| 533 | fprintf(stderr, "Error initializing logging\n"); |
| 534 | exit(1); |
| 535 | } |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 536 | |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 537 | vty_init(&vty_info); |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 538 | ctrl_vty_init(hlr_ctx); |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 539 | handle_options(argc, argv); |
Pau Espin Pedrol | ce9bc40 | 2017-05-31 13:19:22 +0200 | [diff] [blame] | 540 | hlr_vty_init(g_hlr, &hlr_log_info); |
Neels Hofmeyr | 7685a78 | 2017-01-30 23:30:26 +0100 | [diff] [blame] | 541 | |
| 542 | rc = vty_read_config_file(cmdline_opts.config_file, NULL); |
| 543 | if (rc < 0) { |
| 544 | LOGP(DMAIN, LOGL_FATAL, |
| 545 | "Failed to parse the config file: '%s'\n", |
| 546 | cmdline_opts.config_file); |
| 547 | return rc; |
| 548 | } |
| 549 | |
| 550 | /* start telnet after reading config for vty_get_bind_addr() */ |
| 551 | rc = telnet_init_dynif(hlr_ctx, NULL, vty_get_bind_addr(), |
| 552 | OSMO_VTY_PORT_HLR); |
| 553 | if (rc < 0) |
| 554 | return rc; |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 555 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 556 | LOGP(DMAIN, LOGL_NOTICE, "hlr starting\n"); |
| 557 | |
| 558 | rc = rand_init(); |
| 559 | if (rc < 0) { |
| 560 | LOGP(DMAIN, LOGL_FATAL, "Error initializing random source\n"); |
| 561 | exit(1); |
| 562 | } |
| 563 | |
Neels Hofmeyr | d3814b9 | 2017-11-21 12:28:07 +0100 | [diff] [blame] | 564 | g_hlr->dbc = db_open(hlr_ctx, cmdline_opts.db_file, true); |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 565 | if (!g_hlr->dbc) { |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 566 | LOGP(DMAIN, LOGL_FATAL, "Error opening database\n"); |
| 567 | exit(1); |
| 568 | } |
| 569 | |
Neels Hofmeyr | 84201d3 | 2017-07-21 16:00:32 +0200 | [diff] [blame] | 570 | g_hlr->gs = osmo_gsup_server_create(hlr_ctx, g_hlr->gsup_bind_addr, OSMO_GSUP_PORT, |
Pau Espin Pedrol | ce9bc40 | 2017-05-31 13:19:22 +0200 | [diff] [blame] | 571 | read_cb, &g_lu_ops); |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 572 | if (!g_hlr->gs) { |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 573 | LOGP(DMAIN, LOGL_FATAL, "Error starting GSUP server\n"); |
| 574 | exit(1); |
| 575 | } |
| 576 | |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 577 | g_hlr->ctrl_bind_addr = ctrl_vty_get_bind_addr(); |
Neels Hofmeyr | 234f9cb | 2017-10-24 17:23:04 +0200 | [diff] [blame] | 578 | g_hlr->ctrl = hlr_controlif_setup(g_hlr); |
Max | 372868b | 2017-03-02 12:12:00 +0100 | [diff] [blame] | 579 | |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 580 | osmo_init_ignore_signals(); |
| 581 | signal(SIGINT, &signal_hdlr); |
| 582 | signal(SIGUSR1, &signal_hdlr); |
| 583 | |
Neels Hofmeyr | 7f9491f | 2017-01-30 13:30:47 +0100 | [diff] [blame] | 584 | if (cmdline_opts.daemonize) { |
| 585 | rc = osmo_daemonize(); |
| 586 | if (rc < 0) { |
| 587 | perror("Error during daemonize"); |
| 588 | exit(1); |
| 589 | } |
| 590 | } |
Harald Welte | aabae9e | 2016-04-28 12:48:14 +0200 | [diff] [blame] | 591 | |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 592 | while (1) { |
| 593 | osmo_select_main(0); |
| 594 | } |
| 595 | |
Max | d4bebbd | 2017-03-02 12:00:19 +0100 | [diff] [blame] | 596 | db_close(g_hlr->dbc); |
Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 597 | |
| 598 | log_fini(); |
| 599 | |
| 600 | exit(0); |
| 601 | } |