Harald Welte | 3dcdd20 | 2019-03-09 13:06:46 +0100 | [diff] [blame] | 1 | /* (C) 2018-2019 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 22 | |
| 23 | #include <errno.h> |
| 24 | #include <string.h> |
Harald Welte | ce638d8 | 2019-03-17 09:36:04 +0100 | [diff] [blame] | 25 | #include <signal.h> |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 26 | |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 27 | #define _GNU_SOURCE |
| 28 | #include <getopt.h> |
| 29 | |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 30 | #include <talloc.h> |
| 31 | |
| 32 | #include <osmocom/core/msgb.h> |
| 33 | #include <osmocom/core/fsm.h> |
| 34 | #include <osmocom/core/utils.h> |
| 35 | #include <osmocom/core/logging.h> |
| 36 | #include <osmocom/core/application.h> |
| 37 | |
| 38 | #include <osmocom/abis/ipa.h> |
| 39 | #include <osmocom/gsm/protocol/ipaccess.h> |
| 40 | |
| 41 | #include "rspro_util.h" |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 42 | #include "client.h" |
Harald Welte | 61d98e9 | 2019-03-03 15:43:07 +0100 | [diff] [blame] | 43 | #include "debug.h" |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 44 | |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 45 | static int bankd_handle_rx(struct rspro_server_conn *bankdc, const RsproPDU_t *pdu) |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 46 | { |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 47 | switch (pdu->msg.present) { |
| 48 | case RsproPDUchoice_PR_connectClientRes: |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 49 | /* Store 'identity' of bankd to in peer_comp_id */ |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 50 | rspro_comp_id_retrieve(&bankdc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity); |
| 51 | osmo_fsm_inst_dispatch(bankdc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 52 | break; |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 53 | case RsproPDUchoice_PR_tpduCardToModem: |
| 54 | case RsproPDUchoice_PR_setAtrReq: |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 55 | return client_user_bankd_handle_rx(bankdc, pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 56 | default: |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 57 | LOGPFSML(bankdc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU %s\n", |
| 58 | rspro_msgt_name(pdu)); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 59 | return -1; |
| 60 | } |
| 61 | |
| 62 | return 0; |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 63 | } |
| 64 | |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 65 | static struct bankd_client *g_client; |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 66 | static void *g_tall_ctx; |
| 67 | void __thread *talloc_asn1_ctx; |
Harald Welte | 43ab79f | 2018-10-03 23:34:21 +0200 | [diff] [blame] | 68 | int asn_debug; |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 69 | |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 70 | /* handle incoming messages from server */ |
| 71 | static int srvc_handle_rx(struct rspro_server_conn *srvc, const RsproPDU_t *pdu) |
| 72 | { |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 73 | struct bankd_client *bc = srvc2bankd_client(srvc); |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 74 | RsproPDU_t *resp; |
| 75 | |
| 76 | switch (pdu->msg.present) { |
| 77 | case RsproPDUchoice_PR_connectClientRes: |
| 78 | /* Store 'identity' of server in srvc->peer_comp_id */ |
| 79 | rspro_comp_id_retrieve(&srvc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity); |
| 80 | osmo_fsm_inst_dispatch(srvc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu); |
| 81 | break; |
Harald Welte | d571a3e | 2019-03-11 22:09:50 +0100 | [diff] [blame] | 82 | case RsproPDUchoice_PR_configClientIdReq: |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 83 | /* store/set the clientID as instructed by the server */ |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 84 | if (!srvc->clslot) |
| 85 | srvc->clslot = talloc_zero(srvc, ClientSlot_t); |
| 86 | *srvc->clslot = pdu->msg.choice.configClientIdReq.clientSlot; |
| 87 | if (!bc->bankd_conn.clslot) |
| 88 | bc->bankd_conn.clslot = talloc_zero(bc, ClientSlot_t); |
| 89 | *bc->bankd_conn.clslot = *bc->srv_conn.clslot; |
Harald Welte | d571a3e | 2019-03-11 22:09:50 +0100 | [diff] [blame] | 90 | /* send response to server */ |
| 91 | resp = rspro_gen_ConfigClientIdRes(ResultCode_ok); |
| 92 | server_conn_send_rspro(srvc, resp); |
| 93 | break; |
| 94 | case RsproPDUchoice_PR_configClientBankReq: |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 95 | /* store/set the bankd ip/port as instructed by the server */ |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 96 | osmo_talloc_replace_string(bc, &bc->bankd_conn.server_host, |
Harald Welte | d571a3e | 2019-03-11 22:09:50 +0100 | [diff] [blame] | 97 | rspro_IpAddr2str(&pdu->msg.choice.configClientBankReq.bankd.ip)); |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 98 | rspro2bank_slot(&bc->bankd_slot, &pdu->msg.choice.configClientBankReq.bankSlot); |
| 99 | bc->bankd_conn.server_port = pdu->msg.choice.configClientBankReq.bankd.port; |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 100 | /* instruct bankd FSM to connect */ |
Harald Welte | 8e46ab6 | 2020-02-14 12:55:43 +0100 | [diff] [blame^] | 101 | osmo_fsm_inst_dispatch(bc->bankd_conn.fi, SRVC_E_ESTABLISH, NULL); |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 102 | /* send response to server */ |
Harald Welte | d571a3e | 2019-03-11 22:09:50 +0100 | [diff] [blame] | 103 | resp = rspro_gen_ConfigClientBankRes(ResultCode_ok); |
Harald Welte | a844bb0 | 2019-03-09 13:38:50 +0100 | [diff] [blame] | 104 | server_conn_send_rspro(srvc, resp); |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 105 | break; |
| 106 | default: |
Harald Welte | 8d8d4f1 | 2019-03-27 22:50:39 +0100 | [diff] [blame] | 107 | LOGPFSML(srvc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU type: %s\n", |
| 108 | rspro_msgt_name(pdu)); |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 109 | return -1; |
| 110 | } |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | |
Harald Welte | ce638d8 | 2019-03-17 09:36:04 +0100 | [diff] [blame] | 115 | static void handle_sig_usr1(int signal) |
| 116 | { |
| 117 | OSMO_ASSERT(signal == SIGUSR1); |
Harald Welte | b54a51e | 2019-03-31 15:57:59 +0200 | [diff] [blame] | 118 | talloc_report_full(g_tall_ctx, stderr); |
Harald Welte | ce638d8 | 2019-03-17 09:36:04 +0100 | [diff] [blame] | 119 | } |
| 120 | |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 121 | static void printf_help() |
| 122 | { |
| 123 | printf( |
| 124 | " -h --help Print this help message\n" |
| 125 | " -i --server-ip A.B.C.D remsim-server IP address\n" |
| 126 | " -p --server-port 13245 remsim-server TCP port\n" |
| 127 | " -i --client-id <0-65535> RSPRO ClientId of this client\n" |
Harald Welte | 72cde10 | 2019-03-30 10:43:06 +0100 | [diff] [blame] | 128 | " -n --client-slot <0-65535> RSPRO SlotNr of this client\n" |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 129 | ); |
| 130 | } |
| 131 | |
| 132 | static void handle_options(int argc, char **argv) |
| 133 | { |
| 134 | while (1) { |
| 135 | int option_index = 0, c; |
| 136 | static const struct option long_options[] = { |
| 137 | { "help", 0, 0, 'h' }, |
| 138 | { "server-ip", 1, 0, 'i' }, |
| 139 | { "server-port", 1, 0, 'p' }, |
| 140 | { "client-id", 1, 0, 'c' }, |
Harald Welte | 72cde10 | 2019-03-30 10:43:06 +0100 | [diff] [blame] | 141 | { "client-slot", 1, 0, 'n' }, |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 142 | { 0, 0, 0, 0 } |
| 143 | }; |
| 144 | |
Harald Welte | 72cde10 | 2019-03-30 10:43:06 +0100 | [diff] [blame] | 145 | c = getopt_long(argc, argv, "hi:p:c:n:", |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 146 | long_options, &option_index); |
| 147 | if (c == -1) |
| 148 | break; |
| 149 | |
| 150 | switch (c) { |
| 151 | case 'h': |
| 152 | printf_help(); |
| 153 | exit(0); |
| 154 | break; |
| 155 | case 'i': |
| 156 | g_client->srv_conn.server_host = optarg; |
| 157 | break; |
| 158 | case 'p': |
| 159 | g_client->srv_conn.server_port = atoi(optarg); |
| 160 | break; |
| 161 | case 'c': |
| 162 | if (!g_client->srv_conn.clslot) |
| 163 | g_client->srv_conn.clslot = talloc_zero(g_client, ClientSlot_t); |
| 164 | g_client->srv_conn.clslot->clientId = atoi(optarg); |
| 165 | break; |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 166 | case 'n': |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 167 | if (!g_client->srv_conn.clslot) |
| 168 | g_client->srv_conn.clslot = talloc_zero(g_client, ClientSlot_t); |
| 169 | g_client->srv_conn.clslot->slotNr = atoi(optarg); |
| 170 | break; |
| 171 | default: |
| 172 | break; |
| 173 | } |
| 174 | } |
| 175 | } |
| 176 | |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 177 | int main(int argc, char **argv) |
| 178 | { |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 179 | struct rspro_server_conn *srvc, *bankdc; |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 180 | int rc; |
| 181 | |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 182 | g_tall_ctx = talloc_named_const(NULL, 0, "global"); |
Harald Welte | b54a51e | 2019-03-31 15:57:59 +0200 | [diff] [blame] | 183 | talloc_asn1_ctx = talloc_named_const(g_tall_ctx, 0, "asn1"); |
Harald Welte | f7442b5 | 2019-07-18 18:54:05 +0200 | [diff] [blame] | 184 | msgb_talloc_ctx_init(g_tall_ctx, 0); |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 185 | |
Harald Welte | c7995e7 | 2019-03-08 20:45:03 +0100 | [diff] [blame] | 186 | osmo_init_logging2(g_tall_ctx, &log_info); |
| 187 | |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 188 | g_client = talloc_zero(g_tall_ctx, struct bankd_client); |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 189 | |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 190 | /* create and [attempt to] establish connection to remsim-server */ |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 191 | srvc = &g_client->srv_conn; |
| 192 | srvc->server_host = "localhost"; |
| 193 | srvc->server_port = 9998; |
| 194 | srvc->handle_rx = srvc_handle_rx; |
| 195 | srvc->own_comp_id.type = ComponentType_remsimClient; |
| 196 | OSMO_STRLCPY_ARRAY(srvc->own_comp_id.name, "fixme-name"); |
| 197 | OSMO_STRLCPY_ARRAY(srvc->own_comp_id.software, "remsim-client"); |
| 198 | OSMO_STRLCPY_ARRAY(srvc->own_comp_id.sw_version, PACKAGE_VERSION); |
Harald Welte | 228af8a | 2019-03-08 22:20:21 +0100 | [diff] [blame] | 199 | |
| 200 | handle_options(argc, argv); |
| 201 | |
Harald Welte | ce638d8 | 2019-03-17 09:36:04 +0100 | [diff] [blame] | 202 | signal(SIGUSR1, handle_sig_usr1); |
| 203 | |
Harald Welte | e56f2b9 | 2019-03-02 17:02:13 +0100 | [diff] [blame] | 204 | rc = server_conn_fsm_alloc(g_client, srvc); |
| 205 | if (rc < 0) { |
| 206 | fprintf(stderr, "Unable to create Server conn FSM: %s\n", strerror(errno)); |
| 207 | exit(1); |
| 208 | } |
Harald Welte | d2192e2 | 2019-11-07 18:10:57 +0100 | [diff] [blame] | 209 | osmo_fsm_inst_dispatch(srvc->fi, SRVC_E_ESTABLISH, NULL); |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 210 | |
Harald Welte | 43ab79f | 2018-10-03 23:34:21 +0200 | [diff] [blame] | 211 | asn_debug = 0; |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 212 | |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 213 | bankdc = &g_client->bankd_conn; |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 214 | if (srvc->clslot) { |
| 215 | bankdc->clslot = talloc_zero(g_client, ClientSlot_t); |
| 216 | *bankdc->clslot = *srvc->clslot; |
| 217 | } |
| 218 | |
Harald Welte | d5a8729 | 2020-02-13 16:44:56 +0100 | [diff] [blame] | 219 | /* server_host / server_port are configured from remsim-server */ |
| 220 | bankdc->handle_rx = bankd_handle_rx; |
| 221 | memcpy(&bankdc->own_comp_id, &srvc->own_comp_id, sizeof(bankdc->own_comp_id)); |
| 222 | rc = server_conn_fsm_alloc(g_client, bankdc); |
| 223 | if (rc < 0) { |
| 224 | fprintf(stderr, "Unable to connect bankd conn FSM: %s\n", strerror(errno)); |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 225 | exit(1); |
| 226 | } |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 227 | osmo_fsm_inst_update_id(bankdc->fi, "bankd"); |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 228 | |
Harald Welte | 1200c82 | 2020-02-13 20:43:27 +0100 | [diff] [blame] | 229 | client_user_main(g_client); |
Harald Welte | 2ff0ab9 | 2018-08-17 22:10:49 +0200 | [diff] [blame] | 230 | } |