Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 1 | /* (C) 2020 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 | */ |
| 22 | |
| 23 | /* This is a remsim-client that provides an IFD_Handler (reader driver) |
| 24 | * towards the PC/SC services. This effectively allows any local PC/SC client |
| 25 | * application to use a remote smartcard via osmo-remsim. |
| 26 | * |
| 27 | * In order to use this, you will need an /etc/reader.conf.d/osmo-remsim-client |
| 28 | * file with the following content: |
| 29 | * |
| 30 | * FRIENDLYNAME "osmo-remsim-client" |
| 31 | * DEVICENAME 0:0:192.168.11.10:9998 |
| 32 | * LIBPATH /usr/lib/pcsc/drivers/serial/libifd_remsim_client.so |
| 33 | * |
| 34 | * Where DEVICENAME has the following format: |
| 35 | * [ClientID:[SlotNr:[ServerIp:[ServerPort]]]] |
| 36 | * |
| 37 | */ |
| 38 | |
| 39 | #include <errno.h> |
| 40 | #include <unistd.h> |
| 41 | #include <pthread.h> |
| 42 | |
| 43 | #include <osmocom/core/select.h> |
| 44 | #include <osmocom/core/application.h> |
| 45 | extern int osmo_ctx_init(const char *id); |
| 46 | |
| 47 | #include "client.h" |
| 48 | |
| 49 | /* ensure this current thread has an osmo_ctx and hence can use OTC_GLOBAL and friends */ |
| 50 | static void ensure_osmo_ctx(void) |
| 51 | { |
| 52 | if (!osmo_ctx) |
| 53 | osmo_ctx_init(""); |
| 54 | } |
| 55 | |
| 56 | /* inter-thread messages between IFD thread and remsim-client thread */ |
| 57 | enum itmsg_type { |
| 58 | ITMSG_TYPE_NONE, |
| 59 | |
| 60 | /* card present? */ |
| 61 | ITMSG_TYPE_CARD_PRES_REQ, |
| 62 | ITMSG_TYPE_CARD_PRES_RESP, |
| 63 | |
| 64 | /* obtain ATR */ |
| 65 | ITMSG_TYPE_ATR_REQ, |
| 66 | ITMSG_TYPE_ATR_RESP, |
| 67 | |
| 68 | /* transceive APDU: Send C-APDU, receive R-APDU */ |
| 69 | ITMSG_TYPE_C_APDU_REQ, |
| 70 | ITMSG_TYPE_R_APDU_IND, |
| 71 | |
| 72 | /* power off the card */ |
| 73 | ITMSG_TYPE_POWER_OFF_REQ, |
| 74 | ITMSG_TYPE_POWER_OFF_RESP, |
| 75 | |
| 76 | /* power on the card */ |
| 77 | ITMSG_TYPE_POWER_ON_REQ, |
| 78 | ITMSG_TYPE_POWER_ON_RESP, |
| 79 | |
| 80 | /* reset the card */ |
| 81 | ITMSG_TYPE_RESET_REQ, |
| 82 | ITMSG_TYPE_RESET_RESP, |
| 83 | }; |
| 84 | |
| 85 | struct itmsg { |
| 86 | enum itmsg_type type; |
| 87 | uint16_t status; /* 0 == success */ |
| 88 | uint16_t len; /* length of 'data' */ |
| 89 | uint8_t data[0]; |
| 90 | }; |
| 91 | |
| 92 | /* allocate + initialize msgb-wrapped inter-thread message (struct itmsg) */ |
| 93 | struct msgb *itmsg_alloc(enum itmsg_type type, uint16_t status, const uint8_t *data, uint16_t len) |
| 94 | { |
| 95 | struct msgb *msg = msgb_alloc_c(OTC_GLOBAL, sizeof(struct itmsg)+len, "Tx itmsg"); |
| 96 | struct itmsg *im; |
| 97 | |
| 98 | if (!msg) |
| 99 | return NULL; |
| 100 | |
| 101 | im = (struct itmsg *) msgb_put(msg, sizeof(struct itmsg) + len); |
| 102 | im->type = type; |
| 103 | im->status = status; |
| 104 | im->len = len; |
| 105 | if (len) |
| 106 | memcpy(im->data, data, len); |
| 107 | |
| 108 | return msg; |
| 109 | } |
| 110 | |
| 111 | /*********************************************************************** |
| 112 | * remsim_client thread |
| 113 | ***********************************************************************/ |
| 114 | |
| 115 | void __thread *talloc_asn1_ctx; |
| 116 | |
| 117 | struct client_thread { |
| 118 | /* bankd client runningi inside this thread */ |
| 119 | struct bankd_client *bc; |
| 120 | |
| 121 | /* inter-thread osmo-fd; communication with IFD/PCSC thread */ |
| 122 | struct osmo_fd it_ofd; |
| 123 | struct llist_head it_msgq; |
| 124 | |
| 125 | /* ATR as received from remsim-bankd */ |
| 126 | uint8_t atr[ATR_SIZE_MAX]; |
| 127 | uint8_t atr_len; |
| 128 | }; |
| 129 | |
| 130 | /* configuration of client thread; passed in from IFD thread */ |
| 131 | struct client_thread_cfg { |
| 132 | const char *name; |
| 133 | const char *server_host; |
| 134 | int server_port; |
| 135 | int client_id; |
| 136 | int client_slot; |
| 137 | int it_sock_fd; |
| 138 | }; |
| 139 | |
| 140 | /* enqueue a msgb (containg 'struct itmsg') towards the IFD-handler thread */ |
| 141 | static void enqueue_to_ifd(struct client_thread *ct, struct msgb *msg) |
| 142 | { |
| 143 | if (!msg) |
| 144 | return; |
| 145 | |
| 146 | msgb_enqueue(&ct->it_msgq, msg); |
| 147 | ct->it_ofd.when |= OSMO_FD_WRITE; |
| 148 | } |
| 149 | |
| 150 | /*********************************************************************** |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 151 | * frontend to remsim-client main FSM code |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 152 | ***********************************************************************/ |
| 153 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 154 | int frontend_request_card_insert(struct bankd_client *bc) |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 155 | { |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 156 | return 0; |
| 157 | } |
| 158 | |
Harald Welte | 7b87ba1 | 2021-09-08 21:38:35 +0200 | [diff] [blame] | 159 | int frontend_request_card_remove(struct bankd_client *bc) |
| 160 | { |
| 161 | return 0; |
| 162 | } |
| 163 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 164 | int frontend_request_sim_remote(struct bankd_client *bc) |
| 165 | { |
| 166 | return 0; |
| 167 | } |
| 168 | |
Harald Welte | 7b87ba1 | 2021-09-08 21:38:35 +0200 | [diff] [blame] | 169 | int frontend_request_sim_local(struct bankd_client *bc) |
| 170 | { |
| 171 | return 0; |
| 172 | } |
| 173 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 174 | int frontend_request_modem_reset(struct bankd_client *bc) |
| 175 | { |
| 176 | return 0; |
| 177 | } |
| 178 | |
| 179 | int frontend_handle_card2modem(struct bankd_client *bc, const uint8_t *data, size_t len) |
| 180 | { |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 181 | struct client_thread *ct = bc->data; |
| 182 | struct msgb *msg; |
| 183 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 184 | OSMO_ASSERT(data); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 185 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 186 | DEBUGP(DMAIN, "R-APDU: %s\n", osmo_hexdump(data, len)); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 187 | /* enqueue towards IFD thread */ |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 188 | msg = itmsg_alloc(ITMSG_TYPE_R_APDU_IND, 0, data, len); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 189 | OSMO_ASSERT(msg); |
| 190 | enqueue_to_ifd(ct, msg); |
| 191 | |
| 192 | return 0; |
| 193 | } |
| 194 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 195 | int frontend_handle_set_atr(struct bankd_client *bc, const uint8_t *data, size_t len) |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 196 | { |
| 197 | struct client_thread *ct = bc->data; |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 198 | unsigned int atr_len; |
| 199 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 200 | OSMO_ASSERT(data); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 201 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 202 | DEBUGP(DMAIN, "SET_ATR: %s\n", osmo_hexdump(data, len)); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 203 | |
| 204 | /* store ATR in local data structure until somebody needs it */ |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 205 | atr_len = len; |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 206 | if (atr_len > sizeof(ct->atr)) |
| 207 | atr_len = sizeof(ct->atr); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 208 | memcpy(ct->atr, data, atr_len); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 209 | ct->atr_len = atr_len; |
| 210 | |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 211 | return 0; |
| 212 | } |
| 213 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 214 | int frontend_handle_slot_status(struct bankd_client *bc, const SlotPhysStatus_t *sts) |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 215 | { |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 216 | return 0; |
| 217 | } |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 218 | |
Harald Welte | e580c93 | 2020-05-24 16:03:56 +0200 | [diff] [blame] | 219 | int frontend_append_script_env(struct bankd_client *bc, char **env, int idx, size_t max_env) |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 220 | { |
Harald Welte | e580c93 | 2020-05-24 16:03:56 +0200 | [diff] [blame] | 221 | return idx; |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | /*********************************************************************** |
| 225 | * Incoming command from the user application |
| 226 | ***********************************************************************/ |
| 227 | |
| 228 | /* handle a single msgb-wrapped 'struct itmsg' from the IFD-handler thread */ |
| 229 | static void handle_it_msg(struct client_thread *ct, struct itmsg *itmsg) |
| 230 | { |
| 231 | struct bankd_client *bc = ct->bc; |
| 232 | struct msgb *tx = NULL; |
| 233 | RsproPDU_t *pdu; |
| 234 | BankSlot_t bslot; |
| 235 | |
| 236 | bank_slot2rspro(&bslot, &ct->bc->bankd_slot); |
| 237 | |
| 238 | switch (itmsg->type) { |
| 239 | case ITMSG_TYPE_CARD_PRES_REQ: |
| 240 | if (bc->bankd_conn.fi->state == 2 /*SRVC_ST_CONNECTED*/) |
| 241 | tx = itmsg_alloc(ITMSG_TYPE_CARD_PRES_RESP, 0, NULL, 0); |
| 242 | else |
| 243 | tx = itmsg_alloc(ITMSG_TYPE_CARD_PRES_RESP, 0xffff, NULL, 0); |
| 244 | OSMO_ASSERT(tx); |
| 245 | break; |
| 246 | |
| 247 | case ITMSG_TYPE_ATR_REQ: |
| 248 | /* respond to IFD */ |
| 249 | tx = itmsg_alloc(ITMSG_TYPE_ATR_RESP, 0, ct->atr, ct->atr_len); |
| 250 | OSMO_ASSERT(tx); |
| 251 | break; |
| 252 | |
| 253 | case ITMSG_TYPE_POWER_OFF_REQ: |
| 254 | pdu = rspro_gen_ClientSlotStatusInd(bc->srv_conn.clslot, &bslot, |
| 255 | true, false, false, true); |
| 256 | server_conn_send_rspro(&bc->bankd_conn, pdu); |
| 257 | /* respond to IFD */ |
| 258 | tx = itmsg_alloc(ITMSG_TYPE_POWER_OFF_RESP, 0, NULL, 0); |
| 259 | OSMO_ASSERT(tx); |
| 260 | break; |
| 261 | |
| 262 | case ITMSG_TYPE_POWER_ON_REQ: |
| 263 | pdu = rspro_gen_ClientSlotStatusInd(bc->srv_conn.clslot, &bslot, |
| 264 | false, true, true, true); |
| 265 | server_conn_send_rspro(&bc->bankd_conn, pdu); |
| 266 | /* respond to IFD */ |
| 267 | tx = itmsg_alloc(ITMSG_TYPE_POWER_ON_RESP, 0, NULL, 0); |
| 268 | OSMO_ASSERT(tx); |
| 269 | break; |
| 270 | |
| 271 | case ITMSG_TYPE_RESET_REQ: |
| 272 | /* reset the [remote] card */ |
| 273 | pdu = rspro_gen_ClientSlotStatusInd(bc->srv_conn.clslot, &bslot, |
| 274 | true, true, true, true); |
| 275 | server_conn_send_rspro(&bc->bankd_conn, pdu); |
| 276 | /* and take it out of reset again */ |
| 277 | pdu = rspro_gen_ClientSlotStatusInd(bc->srv_conn.clslot, &bslot, |
| 278 | false, true, true, true); |
| 279 | server_conn_send_rspro(&bc->bankd_conn, pdu); |
| 280 | /* respond to IFD */ |
| 281 | tx = itmsg_alloc(ITMSG_TYPE_RESET_RESP, 0, NULL, 0); |
| 282 | OSMO_ASSERT(tx); |
| 283 | break; |
| 284 | case ITMSG_TYPE_C_APDU_REQ: |
| 285 | if (!bc->srv_conn.clslot) { |
| 286 | LOGP(DMAIN, LOGL_ERROR, "Cannot send command; no client slot\n"); |
| 287 | /* FIXME: Response? */ |
| 288 | return; |
| 289 | } |
| 290 | |
| 291 | /* Send CMD APDU to [remote] card */ |
| 292 | pdu = rspro_gen_TpduModem2Card(bc->srv_conn.clslot, &bslot, itmsg->data, itmsg->len); |
| 293 | server_conn_send_rspro(&bc->bankd_conn, pdu); |
| 294 | /* response will come in asynchronously */ |
| 295 | break; |
| 296 | default: |
| 297 | LOGP(DMAIN, LOGL_ERROR, "Unknown inter-thread msg type %u\n", itmsg->type); |
| 298 | break; |
| 299 | } |
| 300 | |
| 301 | if (tx) |
| 302 | enqueue_to_ifd(ct, tx); |
| 303 | |
| 304 | } |
| 305 | |
| 306 | /* call-back function for inter-thread socket */ |
| 307 | static int it_sock_fd_cb(struct osmo_fd *ofd, unsigned int what) |
| 308 | { |
| 309 | struct client_thread *ct = ofd->data; |
| 310 | int rc; |
| 311 | |
| 312 | if (what & OSMO_FD_READ) { |
| 313 | struct msgb *msg = msgb_alloc_c(OTC_GLOBAL, 1024, "Rx it_fd"); |
| 314 | struct itmsg *itmsg; |
| 315 | |
| 316 | OSMO_ASSERT(msg); |
| 317 | rc = read(ofd->fd, msg->tail, msgb_tailroom(msg)); |
| 318 | if (rc <= 0) { |
| 319 | LOGP(DMAIN, LOGL_ERROR, "Error reading from inter-thread fd: %d\n", rc); |
| 320 | pthread_exit(NULL); |
| 321 | } |
| 322 | msgb_put(msg, rc); |
| 323 | itmsg = (struct itmsg *) msgb_data(msg); |
| 324 | if (msgb_length(msg) < sizeof(*itmsg) || |
| 325 | msgb_length(msg) < sizeof(*itmsg) + itmsg->len) { |
| 326 | LOGP(DMAIN, LOGL_ERROR, "Dropping short inter-thread message\n"); |
| 327 | } else { |
| 328 | handle_it_msg(ct, itmsg); |
| 329 | } |
| 330 | msgb_free(msg); |
| 331 | } |
| 332 | |
| 333 | if (what & OSMO_FD_WRITE) { |
| 334 | struct msgb *msg = msgb_dequeue(&ct->it_msgq); |
| 335 | if (!msg) { |
| 336 | /* last message: disable write events */ |
| 337 | ofd->when &= ~OSMO_FD_WRITE; |
| 338 | } else { |
| 339 | unsigned int len = msgb_length(msg); |
| 340 | rc = write(ofd->fd, msgb_data(msg), len); |
| 341 | msgb_free(msg); |
| 342 | if (rc < len) { |
| 343 | LOGP(DMAIN, LOGL_ERROR, "Short write on inter-thread fd: %d < %d\n", |
| 344 | rc, len); |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | |
| 350 | return 0; |
| 351 | } |
| 352 | |
| 353 | /* release all resources allocated by thread */ |
| 354 | static void client_pthread_cleanup(void *arg) |
| 355 | { |
| 356 | struct client_thread *ct = arg; |
| 357 | |
| 358 | LOGP(DMAIN, LOGL_INFO, "Cleaning up remsim-client thread\n"); |
| 359 | //FIXME remsim_client_destroy(ct->bc); |
| 360 | ct->bc = NULL; |
| 361 | msgb_queue_free(&ct->it_msgq); |
| 362 | osmo_fd_unregister(&ct->it_ofd); |
| 363 | close(ct->it_ofd.fd); |
| 364 | ct->it_ofd.fd = -1; |
| 365 | talloc_free(ct); |
| 366 | } |
| 367 | |
| 368 | /* main function of remsim-client pthread */ |
| 369 | static void *client_pthread_main(void *arg) |
| 370 | { |
| 371 | struct client_thread_cfg *cfg = arg; |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 372 | struct client_config *ccfg; |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 373 | struct client_thread *ct; |
| 374 | int rc; |
| 375 | |
| 376 | osmo_select_init(); |
| 377 | rc = osmo_ctx_init("client"); |
| 378 | OSMO_ASSERT(rc == 0); |
| 379 | |
| 380 | ct = talloc_zero(OTC_GLOBAL, struct client_thread); |
| 381 | OSMO_ASSERT(ct); |
| 382 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 383 | ccfg = client_config_init(ct); |
| 384 | OSMO_ASSERT(ccfg); |
| 385 | osmo_talloc_replace_string(ccfg, &ccfg->server_host, cfg->server_host); |
| 386 | if (cfg->server_port >= 0) |
| 387 | ccfg->server_port = cfg->server_port; |
| 388 | ccfg->client_id = cfg->client_id; |
| 389 | ccfg->client_slot = cfg->client_slot; |
| 390 | |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 391 | if (!talloc_asn1_ctx) |
| 392 | talloc_asn1_ctx= talloc_named_const(ct, 0, "asn1"); |
| 393 | |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 394 | ct->bc = remsim_client_create(ct, cfg->name, "remsim_ifdhandler", ccfg); |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 395 | OSMO_ASSERT(ct->bc); |
| 396 | ct->bc->data = ct; |
Harald Welte | 9fac496 | 2020-02-14 21:01:23 +0100 | [diff] [blame] | 397 | |
| 398 | INIT_LLIST_HEAD(&ct->it_msgq); |
| 399 | osmo_fd_setup(&ct->it_ofd, cfg->it_sock_fd, OSMO_FD_READ, &it_sock_fd_cb, ct, 0); |
| 400 | osmo_fd_register(&ct->it_ofd); |
| 401 | |
| 402 | /* ensure we get properly cleaned up if cancelled */ |
| 403 | pthread_cleanup_push(client_pthread_cleanup, ct); |
| 404 | |
| 405 | osmo_fsm_inst_dispatch(ct->bc->srv_conn.fi, SRVC_E_ESTABLISH, NULL); |
| 406 | |
| 407 | while (1) { |
| 408 | osmo_select_main(0); |
| 409 | } |
| 410 | |
| 411 | pthread_cleanup_pop(1); |
| 412 | return NULL; |
| 413 | } |
| 414 | |
| 415 | /*********************************************************************** |
| 416 | * PC/SC ifd_handler API functions |
| 417 | ***********************************************************************/ |
| 418 | |
| 419 | #include <ifdhandler.h> |
| 420 | #include <debuglog.h> |
| 421 | |
| 422 | #include <sys/types.h> |
| 423 | #include <sys/socket.h> |
| 424 | |
| 425 | static const struct value_string ifd_status_names[] = { |
| 426 | OSMO_VALUE_STRING(IFD_SUCCESS), |
| 427 | OSMO_VALUE_STRING(IFD_ERROR_TAG), |
| 428 | OSMO_VALUE_STRING(IFD_ERROR_SET_FAILURE), |
| 429 | OSMO_VALUE_STRING(IFD_ERROR_VALUE_READ_ONLY), |
| 430 | OSMO_VALUE_STRING(IFD_ERROR_PTS_FAILURE), |
| 431 | OSMO_VALUE_STRING(IFD_ERROR_NOT_SUPPORTED), |
| 432 | OSMO_VALUE_STRING(IFD_PROTOCOL_NOT_SUPPORTED), |
| 433 | OSMO_VALUE_STRING(IFD_ERROR_POWER_ACTION), |
| 434 | OSMO_VALUE_STRING(IFD_ERROR_SWALLOW), |
| 435 | OSMO_VALUE_STRING(IFD_ERROR_EJECT), |
| 436 | OSMO_VALUE_STRING(IFD_ERROR_CONFISCATE), |
| 437 | OSMO_VALUE_STRING(IFD_COMMUNICATION_ERROR), |
| 438 | OSMO_VALUE_STRING(IFD_RESPONSE_TIMEOUT), |
| 439 | OSMO_VALUE_STRING(IFD_NOT_SUPPORTED), |
| 440 | OSMO_VALUE_STRING(IFD_ICC_PRESENT), |
| 441 | OSMO_VALUE_STRING(IFD_ICC_NOT_PRESENT), |
| 442 | OSMO_VALUE_STRING(IFD_NO_SUCH_DEVICE), |
| 443 | OSMO_VALUE_STRING(IFD_ERROR_INSUFFICIENT_BUFFER), |
| 444 | { 0, NULL } |
| 445 | }; |
| 446 | |
| 447 | static const struct value_string ifd_tag_names[] = { |
| 448 | OSMO_VALUE_STRING(TAG_IFD_ATR), |
| 449 | OSMO_VALUE_STRING(TAG_IFD_SLOTNUM), |
| 450 | OSMO_VALUE_STRING(TAG_IFD_SLOT_THREAD_SAFE), |
| 451 | OSMO_VALUE_STRING(TAG_IFD_THREAD_SAFE), |
| 452 | OSMO_VALUE_STRING(TAG_IFD_SLOTS_NUMBER), |
| 453 | OSMO_VALUE_STRING(TAG_IFD_SIMULTANEOUS_ACCESS), |
| 454 | OSMO_VALUE_STRING(TAG_IFD_POLLING_THREAD), |
| 455 | OSMO_VALUE_STRING(TAG_IFD_POLLING_THREAD_KILLABLE), |
| 456 | OSMO_VALUE_STRING(TAG_IFD_STOP_POLLING_THREAD), |
| 457 | OSMO_VALUE_STRING(TAG_IFD_POLLING_THREAD_WITH_TIMEOUT), |
| 458 | { 0, NULL } |
| 459 | }; |
| 460 | |
| 461 | #define LOG_EXIT(Lun, r) \ |
| 462 | Log4(r == IFD_SUCCESS || r == IFD_ICC_NOT_PRESENT ? PCSC_LOG_DEBUG : PCSC_LOG_ERROR, \ |
| 463 | "%s(0x%08lx) => %s\n", __func__, Lun, get_value_string(ifd_status_names, r)) |
| 464 | |
| 465 | #define LOG_EXITF(Lun, r, fmt, args...) \ |
| 466 | Log5(r == IFD_SUCCESS ? PCSC_LOG_DEBUG : PCSC_LOG_ERROR, \ |
| 467 | "%s(0x%08lx) "fmt" => %s\n", __func__, Lun, ## args, get_value_string(ifd_status_names, r)) |
| 468 | |
| 469 | /* IFD side handle for a remsim-client [thread] */ |
| 470 | struct ifd_client { |
| 471 | /* the client pthread itself */ |
| 472 | pthread_t pthread; |
| 473 | /* socket to talk to thread */ |
| 474 | int it_fd; |
| 475 | /* configuration passed into the thread */ |
| 476 | struct client_thread_cfg cfg; |
| 477 | }; |
| 478 | |
| 479 | static struct msgb *ifd_xceive_client(struct ifd_client *ic, struct msgb *tx) |
| 480 | { |
| 481 | struct msgb *rx = msgb_alloc_c(OTC_GLOBAL, 1024, "ifd_rx itmsg"); |
| 482 | struct itmsg *rx_it; |
| 483 | int rc; |
| 484 | |
| 485 | rc = write(ic->it_fd, msgb_data(tx), msgb_length(tx)); |
| 486 | msgb_free(tx); |
| 487 | if (rc < msgb_length(tx)) { |
| 488 | Log2(PCSC_LOG_ERROR, "Short write IFD->client thread: %d\n", rc); |
| 489 | msgb_free(rx); |
| 490 | return NULL; |
| 491 | } |
| 492 | rc = read(ic->it_fd, rx->tail, msgb_tailroom(rx)); |
| 493 | if (rc <= 0) { |
| 494 | Log2(PCSC_LOG_ERROR, "Short read IFD<-client thread: %d\n", rc); |
| 495 | msgb_free(rx); |
| 496 | return NULL; |
| 497 | } |
| 498 | msgb_put(rx, rc); |
| 499 | rx_it = (struct itmsg *) msgb_data(rx); |
| 500 | if (msgb_length(rx) < sizeof(*rx_it) + rx_it->len) { |
| 501 | Log2(PCSC_LOG_ERROR, "Short itmsg IFD<-client thread: %d\n", msgb_length(rx)); |
| 502 | msgb_free(rx); |
| 503 | return NULL; |
| 504 | } |
| 505 | return rx; |
| 506 | } |
| 507 | |
| 508 | /* function called on IFD side to create socketpair + start remsim-client thread */ |
| 509 | static struct ifd_client *create_ifd_client(const struct client_thread_cfg *cfg) |
| 510 | { |
| 511 | struct ifd_client *ic = talloc_zero(OTC_GLOBAL, struct ifd_client); |
| 512 | int sp[2]; |
| 513 | int rc; |
| 514 | |
| 515 | /* copy over configuration */ |
| 516 | ic->cfg = *cfg; |
| 517 | |
| 518 | /* create socket pair for communication between threads */ |
| 519 | rc = socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sp); |
| 520 | if (rc != 0) { |
| 521 | talloc_free(ic); |
| 522 | return NULL; |
| 523 | } |
| 524 | |
| 525 | ic->it_fd = sp[0]; |
| 526 | ic->cfg.it_sock_fd = sp[1]; |
| 527 | |
| 528 | /* start the thread */ |
| 529 | rc = pthread_create(&ic->pthread, NULL, client_pthread_main, &ic->cfg); |
| 530 | if (rc != 0) { |
| 531 | Log1(PCSC_LOG_ERROR, "Error creating remsim-client pthread\n"); |
| 532 | close(sp[0]); |
| 533 | close(sp[1]); |
| 534 | talloc_free(ic); |
| 535 | return NULL; |
| 536 | } |
| 537 | |
| 538 | return ic; |
| 539 | } |
| 540 | |
| 541 | /* function called on IFD side to destroy (terminate) remsim-client thread */ |
| 542 | static void destroy_ifd_client(struct ifd_client *ic) |
| 543 | { |
| 544 | if (!ic) |
| 545 | return; |
| 546 | |
| 547 | pthread_cancel(ic->pthread); |
| 548 | pthread_join(ic->pthread, NULL); |
| 549 | } |
| 550 | |
| 551 | #define MAX_SLOTS 256 |
| 552 | static struct ifd_client *ifd_client[MAX_SLOTS]; |
| 553 | |
| 554 | #define LUN2SLOT(lun) ((lun) & 0xffff) |
| 555 | #define LUN2RDR(lun) ((lun) >> 16) |
| 556 | |
| 557 | |
| 558 | RESPONSECODE IFDHCreateChannel(DWORD Lun, DWORD Channel) |
| 559 | { |
| 560 | return IFD_COMMUNICATION_ERROR; |
| 561 | } |
| 562 | |
| 563 | RESPONSECODE IFDHCreateChannelByName(DWORD Lun, LPSTR DeviceName) |
| 564 | { |
| 565 | struct ifd_client *ic; |
| 566 | struct client_thread_cfg cfg = { |
| 567 | .name = "fixme-name", |
| 568 | .server_host = "127.0.0.1", |
| 569 | .server_port = -1, |
| 570 | .client_id = 0, |
| 571 | .client_slot = 0, |
| 572 | }; |
| 573 | char *r, *client_id, *slot_nr, *host, *port; |
| 574 | |
| 575 | if (LUN2RDR(Lun) != 0) |
| 576 | return IFD_NO_SUCH_DEVICE; |
| 577 | |
| 578 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) |
| 579 | return IFD_NO_SUCH_DEVICE; |
| 580 | |
| 581 | ensure_osmo_ctx(); |
| 582 | |
| 583 | client_id = strtok_r(DeviceName, ":", &r); |
| 584 | if (!client_id) |
| 585 | goto end_parse; |
| 586 | cfg.client_id = atoi(client_id); |
| 587 | |
| 588 | slot_nr = strtok_r(NULL, ":", &r); |
| 589 | if (!slot_nr) |
| 590 | goto end_parse; |
| 591 | cfg.client_slot = atoi(slot_nr); |
| 592 | |
| 593 | host = strtok_r(NULL, ":", &r); |
| 594 | if (!host) |
| 595 | goto end_parse; |
| 596 | cfg.server_host = strdup(host); |
| 597 | |
| 598 | port = strtok_r(NULL, ":", &r); |
| 599 | cfg.server_port = atoi(port); |
| 600 | |
| 601 | |
| 602 | end_parse: |
| 603 | LOGP(DMAIN, LOGL_NOTICE, "remsim-client C%d:%d bankd=%s:%d\n", |
| 604 | cfg.client_id, cfg.client_slot, cfg.server_host, cfg.server_port); |
| 605 | |
| 606 | ic = create_ifd_client(&cfg); |
| 607 | if (ic) { |
| 608 | ifd_client[LUN2SLOT(Lun)] = ic; |
| 609 | return IFD_SUCCESS; |
| 610 | } else |
| 611 | return IFD_COMMUNICATION_ERROR; |
| 612 | } |
| 613 | |
| 614 | RESPONSECODE IFDHControl(DWORD Lun, DWORD dwControlCode, PUCHAR TxBuffer, DWORD TxLength, |
| 615 | PUCHAR RxBuffer, DWORD RxLength, LPDWORD pdwBytesReturned) |
| 616 | { |
| 617 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 618 | |
| 619 | ensure_osmo_ctx(); |
| 620 | |
| 621 | if (LUN2RDR(Lun) != 0) { |
| 622 | r = IFD_NO_SUCH_DEVICE; |
| 623 | goto err; |
| 624 | } |
| 625 | |
| 626 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 627 | r = IFD_NO_SUCH_DEVICE; |
| 628 | goto err; |
| 629 | } |
| 630 | |
| 631 | if (pdwBytesReturned) |
| 632 | *pdwBytesReturned = 0; |
| 633 | |
| 634 | r = IFD_ERROR_NOT_SUPPORTED; |
| 635 | err: |
| 636 | LOG_EXIT(Lun, r); |
| 637 | return r; |
| 638 | } |
| 639 | |
| 640 | RESPONSECODE IFDHCloseChannel(DWORD Lun) |
| 641 | { |
| 642 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 643 | |
| 644 | ensure_osmo_ctx(); |
| 645 | |
| 646 | if (LUN2RDR(Lun) != 0) { |
| 647 | r = IFD_NO_SUCH_DEVICE; |
| 648 | goto err; |
| 649 | } |
| 650 | |
| 651 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 652 | r = IFD_NO_SUCH_DEVICE; |
| 653 | goto err; |
| 654 | } |
| 655 | |
| 656 | destroy_ifd_client(ifd_client[LUN2SLOT(Lun)]); |
| 657 | ifd_client[LUN2SLOT(Lun)] = NULL; |
| 658 | |
| 659 | r = IFD_SUCCESS; |
| 660 | err: |
| 661 | LOG_EXIT(Lun, r); |
| 662 | return r; |
| 663 | } |
| 664 | |
| 665 | RESPONSECODE IFDHGetCapabilities(DWORD Lun, DWORD Tag, PDWORD Length, PUCHAR Value) |
| 666 | { |
| 667 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 668 | struct ifd_client *ic; |
| 669 | struct msgb *rx, *tx; |
| 670 | struct itmsg *rx_it; |
| 671 | |
| 672 | ensure_osmo_ctx(); |
| 673 | |
| 674 | if (LUN2RDR(Lun) != 0) { |
| 675 | r = IFD_NO_SUCH_DEVICE; |
| 676 | goto err; |
| 677 | } |
| 678 | |
| 679 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 680 | r = IFD_NO_SUCH_DEVICE; |
| 681 | goto err; |
| 682 | } |
| 683 | |
| 684 | ic = ifd_client[LUN2SLOT(Lun)]; |
| 685 | if (!ic) { |
| 686 | r = IFD_NO_SUCH_DEVICE; |
| 687 | goto err; |
| 688 | } |
| 689 | |
| 690 | if (!Length || !Value) |
| 691 | goto err; |
| 692 | |
| 693 | switch (Tag) { |
| 694 | case TAG_IFD_ATR: |
| 695 | /* Return the ATR and its size */ |
| 696 | tx = itmsg_alloc(ITMSG_TYPE_ATR_REQ, 0, NULL, 0); |
| 697 | OSMO_ASSERT(tx); |
| 698 | rx = ifd_xceive_client(ic, tx); |
| 699 | if (!rx) { |
| 700 | r = IFD_NO_SUCH_DEVICE; |
| 701 | goto err; |
| 702 | } |
| 703 | rx_it = (struct itmsg *)msgb_data(rx); |
| 704 | if (*Length > rx_it->len) |
| 705 | *Length = rx_it->len; |
| 706 | memcpy(Value, rx_it->data, *Length); |
| 707 | msgb_free(rx); |
| 708 | break; |
| 709 | case TAG_IFD_SIMULTANEOUS_ACCESS: |
| 710 | /* Return the number of sessions (readers) the driver |
| 711 | * can handle in Value[0]. This is used for multiple |
| 712 | * readers sharing the same driver. */ |
| 713 | if (*Length < 1) |
| 714 | goto err; |
| 715 | *Value = 1; |
| 716 | *Length = 1; |
| 717 | break; |
| 718 | case TAG_IFD_SLOTS_NUMBER: |
| 719 | /* Return the number of slots in this reader in Value[0] */ |
| 720 | if (*Length < 1) |
| 721 | goto err; |
| 722 | *Value = 1; |
| 723 | *Length = 1; |
| 724 | break; |
| 725 | case TAG_IFD_THREAD_SAFE: |
| 726 | /* If the driver supports more than one reader (see |
| 727 | * TAG_IFD_SIMULTANEOUS_ACCESS above) this tag indicates |
| 728 | * if the driver supports access to multiple readers at |
| 729 | * the same time. */ |
| 730 | if (*Length < 1) |
| 731 | goto err; |
| 732 | *Value = 0; |
| 733 | *Length = 1; |
| 734 | break; |
| 735 | case TAG_IFD_SLOT_THREAD_SAFE: |
| 736 | /* If the reader has more than one slot (see |
| 737 | * TAG_IFD_SLOTS_NUMBER above) this tag indicates if the |
| 738 | * driver supports access to multiple slots of the same |
| 739 | * reader at the same time. */ |
| 740 | if (*Length < 1) |
| 741 | goto err; |
| 742 | *Value = 0; |
| 743 | *Length = 1; |
| 744 | break; |
| 745 | default: |
| 746 | r = IFD_ERROR_TAG; |
| 747 | goto err; |
| 748 | } |
| 749 | |
| 750 | r = IFD_SUCCESS; |
| 751 | |
| 752 | err: |
| 753 | if (r != IFD_SUCCESS && Length) |
| 754 | *Length = 0; |
| 755 | |
| 756 | LOG_EXITF(Lun, r, "%s", get_value_string(ifd_tag_names, Tag)); |
| 757 | return r; |
| 758 | } |
| 759 | |
| 760 | RESPONSECODE IFDHSetCapabilities(DWORD Lun, DWORD Tag, DWORD Length, PUCHAR Value) |
| 761 | { |
| 762 | ensure_osmo_ctx(); |
| 763 | |
| 764 | if (LUN2RDR(Lun) != 0) |
| 765 | return IFD_NO_SUCH_DEVICE; |
| 766 | |
| 767 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) |
| 768 | return IFD_NO_SUCH_DEVICE; |
| 769 | |
| 770 | |
| 771 | LOG_EXIT(Lun, IFD_NOT_SUPPORTED); |
| 772 | return IFD_NOT_SUPPORTED; |
| 773 | } |
| 774 | |
| 775 | RESPONSECODE IFDHSetProtocolParameters(DWORD Lun, DWORD Protocol, UCHAR Flags, UCHAR PTS1, |
| 776 | UCHAR PTS2, UCHAR PTS3) |
| 777 | { |
| 778 | ensure_osmo_ctx(); |
| 779 | |
| 780 | if (LUN2RDR(Lun) != 0) |
| 781 | return IFD_NO_SUCH_DEVICE; |
| 782 | |
| 783 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) |
| 784 | return IFD_NO_SUCH_DEVICE; |
| 785 | |
| 786 | LOG_EXIT(Lun, IFD_SUCCESS); |
| 787 | return IFD_SUCCESS; |
| 788 | } |
| 789 | |
| 790 | RESPONSECODE IFDHPowerICC(DWORD Lun, DWORD Action, PUCHAR Atr, PDWORD AtrLength) |
| 791 | { |
| 792 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 793 | struct ifd_client *ic; |
| 794 | struct msgb *rx, *tx; |
| 795 | |
| 796 | ensure_osmo_ctx(); |
| 797 | |
| 798 | if (LUN2RDR(Lun) != 0) { |
| 799 | r = IFD_NO_SUCH_DEVICE; |
| 800 | goto err; |
| 801 | } |
| 802 | |
| 803 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 804 | r = IFD_NO_SUCH_DEVICE; |
| 805 | goto err; |
| 806 | } |
| 807 | |
| 808 | ic = ifd_client[LUN2SLOT(Lun)]; |
| 809 | if (!ic) { |
| 810 | r = IFD_NO_SUCH_DEVICE; |
| 811 | goto err; |
| 812 | } |
| 813 | |
| 814 | switch (Action) { |
| 815 | case IFD_POWER_DOWN: |
| 816 | tx = itmsg_alloc(ITMSG_TYPE_POWER_OFF_REQ, 0, NULL, 0); |
| 817 | break; |
| 818 | case IFD_POWER_UP: |
| 819 | tx = itmsg_alloc(ITMSG_TYPE_POWER_ON_REQ, 0, NULL, 0); |
| 820 | break; |
| 821 | case IFD_RESET: |
| 822 | tx = itmsg_alloc(ITMSG_TYPE_RESET_REQ, 0, NULL, 0); |
| 823 | break; |
| 824 | default: |
| 825 | r = IFD_NOT_SUPPORTED; |
| 826 | goto err; |
| 827 | } |
| 828 | |
| 829 | rx = ifd_xceive_client(ic, tx); |
| 830 | if (!rx) { |
| 831 | r = IFD_NO_SUCH_DEVICE; |
| 832 | goto err; |
| 833 | } |
| 834 | |
| 835 | r = IFD_SUCCESS; |
| 836 | msgb_free(rx); |
| 837 | |
| 838 | err: |
| 839 | if (r != IFD_SUCCESS && AtrLength) |
| 840 | *AtrLength = 0; |
| 841 | else |
| 842 | r = IFDHGetCapabilities(Lun, TAG_IFD_ATR, AtrLength, Atr); |
| 843 | |
| 844 | LOG_EXIT(Lun, r); |
| 845 | return r; |
| 846 | } |
| 847 | |
| 848 | RESPONSECODE IFDHTransmitToICC(DWORD Lun, SCARD_IO_HEADER SendPci, PUCHAR TxBuffer, |
| 849 | DWORD TxLength, PUCHAR RxBuffer, PDWORD RxLength, |
| 850 | PSCARD_IO_HEADER RecvPci) |
| 851 | { |
| 852 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 853 | struct ifd_client *ic; |
| 854 | struct msgb *rx, *tx; |
| 855 | struct itmsg *rx_it; |
| 856 | |
| 857 | ensure_osmo_ctx(); |
| 858 | |
| 859 | if (LUN2RDR(Lun) != 0) { |
| 860 | r = IFD_NO_SUCH_DEVICE; |
| 861 | goto err; |
| 862 | } |
| 863 | |
| 864 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 865 | r = IFD_NO_SUCH_DEVICE; |
| 866 | goto err; |
| 867 | } |
| 868 | |
| 869 | ic = ifd_client[LUN2SLOT(Lun)]; |
| 870 | if (!ic) { |
| 871 | r = IFD_NO_SUCH_DEVICE; |
| 872 | goto err; |
| 873 | } |
| 874 | |
| 875 | tx = itmsg_alloc(ITMSG_TYPE_C_APDU_REQ, 0, TxBuffer, TxLength); |
| 876 | OSMO_ASSERT(tx); |
| 877 | /* transmit C-APDU to remote reader + blocking wait for response from peer */ |
| 878 | rx = ifd_xceive_client(ic, tx); |
| 879 | if (!rx) { |
| 880 | r = IFD_NO_SUCH_DEVICE; |
| 881 | goto err; |
| 882 | } |
| 883 | rx_it = (struct itmsg *) msgb_data(rx); |
| 884 | if (*RxLength > rx_it->len) |
| 885 | *RxLength = rx_it->len; |
| 886 | memcpy(RxBuffer, rx_it->data, *RxLength); |
| 887 | msgb_free(rx); |
| 888 | |
| 889 | r = IFD_SUCCESS; |
| 890 | err: |
| 891 | if (r != IFD_SUCCESS && RxLength) |
| 892 | *RxLength = 0; |
| 893 | |
| 894 | LOG_EXIT(Lun, r); |
| 895 | return r; |
| 896 | } |
| 897 | |
| 898 | RESPONSECODE IFDHICCPresence(DWORD Lun) |
| 899 | { |
| 900 | RESPONSECODE r = IFD_COMMUNICATION_ERROR; |
| 901 | struct ifd_client *ic; |
| 902 | struct msgb *rx, *tx; |
| 903 | struct itmsg *rx_it; |
| 904 | |
| 905 | ensure_osmo_ctx(); |
| 906 | |
| 907 | if (LUN2RDR(Lun) != 0) { |
| 908 | r = IFD_NO_SUCH_DEVICE; |
| 909 | goto err; |
| 910 | } |
| 911 | |
| 912 | if (LUN2SLOT(Lun) >= ARRAY_SIZE(ifd_client)) { |
| 913 | r = IFD_NO_SUCH_DEVICE; |
| 914 | goto err; |
| 915 | } |
| 916 | |
| 917 | ic = ifd_client[LUN2SLOT(Lun)]; |
| 918 | if (!ic) { |
| 919 | r = IFD_NO_SUCH_DEVICE; |
| 920 | goto err; |
| 921 | } |
| 922 | |
| 923 | tx = itmsg_alloc(ITMSG_TYPE_CARD_PRES_REQ, 0, NULL, 0); |
| 924 | OSMO_ASSERT(tx); |
| 925 | rx = ifd_xceive_client(ic, tx); |
| 926 | if (!rx) { |
| 927 | r = IFD_NO_SUCH_DEVICE; |
| 928 | goto err; |
| 929 | } |
| 930 | rx_it = (struct itmsg *) msgb_data(rx); |
| 931 | if (rx_it->status == 0) |
| 932 | r = IFD_SUCCESS; |
| 933 | else |
| 934 | r = IFD_ICC_NOT_PRESENT; |
| 935 | |
| 936 | err: |
| 937 | LOG_EXIT(Lun, r); |
| 938 | return r; |
| 939 | } |
| 940 | |
| 941 | static __attribute__((constructor)) void on_dso_load_ifd(void) |
| 942 | { |
| 943 | void *g_tall_ctx = NULL; |
| 944 | ensure_osmo_ctx(); |
| 945 | osmo_init_logging2(g_tall_ctx, &log_info); |
| 946 | } |