hostapd/main.c

   1 /*
   2  * hostapd / main()
   3  * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #ifndef CONFIG_NATIVE_WINDOWS
  11 #include <syslog.h>
  12 #include <grp.h>
  13 #endif /* CONFIG_NATIVE_WINDOWS */
  14
  15 #include "utils/common.h"
  16 #include "utils/eloop.h"
  17 #include "crypto/random.h"
  18 #include "crypto/tls.h"
  19 #include "common/version.h"
  20 #include "drivers/driver.h"
  21 #include "eap_server/eap.h"
  22 #include "eap_server/tncs.h"
  23 #include "ap/hostapd.h"
  24 #include "ap/ap_config.h"
  25 #include "ap/ap_drv_ops.h"
  26 #include "config_file.h"
  27 #include "eap_register.h"
  28 #include "dump_state.h"
  29 #include "ctrl_iface.h"
  30
  31
  32 extern int wpa_debug_level;
  33 extern int wpa_debug_show_keys;
  34 extern int wpa_debug_timestamp;
  35
  36 extern struct wpa_driver_ops *wpa_drivers[];
  37
  38
  39 struct hapd_global {
  40         void **drv_priv;
  41         size_t drv_count;
  42 };
  43
  44 static struct hapd_global global;
  45
  46
  47 #ifndef CONFIG_NO_HOSTAPD_LOGGER
  48 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
  49                               int level, const char *txt, size_t len)
  50 {
  51         struct hostapd_data *hapd = ctx;
  52         char *format, *module_str;
  53         int maxlen;
  54         int conf_syslog_level, conf_stdout_level;
  55         unsigned int conf_syslog, conf_stdout;
  56
  57         maxlen = len + 100;
  58         format = os_malloc(maxlen);
  59         if (!format)
  60                 return;
  61
  62         if (hapd && hapd->conf) {
  63                 conf_syslog_level = hapd->conf->logger_syslog_level;
  64                 conf_stdout_level = hapd->conf->logger_stdout_level;
  65                 conf_syslog = hapd->conf->logger_syslog;
  66                 conf_stdout = hapd->conf->logger_stdout;
  67         } else {
  68                 conf_syslog_level = conf_stdout_level = 0;
  69                 conf_syslog = conf_stdout = (unsigned int) -1;
  70         }
  71
  72         switch (module) {
  73         case HOSTAPD_MODULE_IEEE80211:
  74                 module_str = "IEEE 802.11";
  75                 break;
  76         case HOSTAPD_MODULE_IEEE8021X:
  77                 module_str = "IEEE 802.1X";
  78                 break;
  79         case HOSTAPD_MODULE_RADIUS:
  80                 module_str = "RADIUS";
  81                 break;
  82         case HOSTAPD_MODULE_WPA:
  83                 module_str = "WPA";
  84                 break;
  85         case HOSTAPD_MODULE_DRIVER:
  86                 module_str = "DRIVER";
  87                 break;
  88         case HOSTAPD_MODULE_IAPP:
  89                 module_str = "IAPP";
  90                 break;
  91         case HOSTAPD_MODULE_MLME:
  92                 module_str = "MLME";
  93                 break;
  94         default:
  95                 module_str = NULL;
  96                 break;
  97         }
  98
  99         if (hapd && hapd->conf && addr)
 100                 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
 101                             hapd->conf->iface, MAC2STR(addr),
 102                             module_str ? " " : "", module_str, txt);
 103         else if (hapd && hapd->conf)
 104                 os_snprintf(format, maxlen, "%s:%s%s %s",
 105                             hapd->conf->iface, module_str ? " " : "",
 106                             module_str, txt);
 107         else if (addr)
 108                 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
 109                             MAC2STR(addr), module_str ? " " : "",
 110                             module_str, txt);
 111         else
 112                 os_snprintf(format, maxlen, "%s%s%s",
 113                             module_str, module_str ? ": " : "", txt);
 114
 115         if ((conf_stdout & module) && level >= conf_stdout_level) {
 116                 wpa_debug_print_timestamp();
 117                 printf("%s\n", format);
 118         }
 119
 120 #ifndef CONFIG_NATIVE_WINDOWS
 121         if ((conf_syslog & module) && level >= conf_syslog_level) {
 122                 int priority;
 123                 switch (level) {
 124                 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
 125                 case HOSTAPD_LEVEL_DEBUG:
 126                         priority = LOG_DEBUG;
 127                         break;
 128                 case HOSTAPD_LEVEL_INFO:
 129                         priority = LOG_INFO;
 130                         break;
 131                 case HOSTAPD_LEVEL_NOTICE:
 132                         priority = LOG_NOTICE;
 133                         break;
 134                 case HOSTAPD_LEVEL_WARNING:
 135                         priority = LOG_WARNING;
 136                         break;
 137                 default:
 138                         priority = LOG_INFO;
 139                         break;
 140                 }
 141                 syslog(priority, "%s", format);
 142         }
 143 #endif /* CONFIG_NATIVE_WINDOWS */
 144
 145         os_free(format);
 146 }
 147 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
 148
 149
 150 static int hostapd_driver_init(struct hostapd_iface *iface)
 151 {
 152         struct wpa_init_params params;
 153         size_t i;
 154         struct hostapd_data *hapd = iface->bss[0];
 155         struct hostapd_bss_config *conf = hapd->conf;
 156         u8 *b = conf->bssid;
 157         struct wpa_driver_capa capa;
 158
 159         if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
 160                 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
 161                 return -1;
 162         }
 163
 164         /* Initialize the driver interface */
 165         if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
 166                 b = NULL;
 167
 168         os_memset(&params, 0, sizeof(params));
 169         for (i = 0; wpa_drivers[i]; i++) {
 170                 if (wpa_drivers[i] != hapd->driver)
 171                         continue;
 172
 173                 if (global.drv_priv[i] == NULL &&
 174                     wpa_drivers[i]->global_init) {
 175                         global.drv_priv[i] = wpa_drivers[i]->global_init();
 176                         if (global.drv_priv[i] == NULL) {
 177                                 wpa_printf(MSG_ERROR, "Failed to initialize "
 178                                            "driver '%s'",
 179                                            wpa_drivers[i]->name);
 180                                 return -1;
 181                         }
 182                 }
 183
 184                 params.global_priv = global.drv_priv[i];
 185                 break;
 186         }
 187         params.bssid = b;
 188         params.ifname = hapd->conf->iface;
 189         params.ssid = hapd->conf->ssid.ssid;
 190         params.ssid_len = hapd->conf->ssid.ssid_len;
 191         params.test_socket = hapd->conf->test_socket;
 192         params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
 193
 194         params.num_bridge = hapd->iface->num_bss;
 195         params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
 196         if (params.bridge == NULL)
 197                 return -1;
 198         for (i = 0; i < hapd->iface->num_bss; i++) {
 199                 struct hostapd_data *bss = hapd->iface->bss[i];
 200                 if (bss->conf->bridge[0])
 201                         params.bridge[i] = bss->conf->bridge;
 202         }
 203
 204         params.own_addr = hapd->own_addr;
 205
 206         hapd->drv_priv = hapd->driver->hapd_init(hapd, &params);
 207         os_free(params.bridge);
 208         if (hapd->drv_priv == NULL) {
 209                 wpa_printf(MSG_ERROR, "%s driver initialization failed.",
 210                            hapd->driver->name);
 211                 hapd->driver = NULL;
 212                 return -1;
 213         }
 214
 215         if (hapd->driver->get_capa &&
 216             hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
 217                 iface->drv_flags = capa.flags;
 218                 iface->probe_resp_offloads = capa.probe_resp_offloads;
 219                 iface->extended_capa = capa.extended_capa;
 220                 iface->extended_capa_mask = capa.extended_capa_mask;
 221                 iface->extended_capa_len = capa.extended_capa_len;
 222                 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
 223         }
 224
 225 #ifdef CONFIG_INTERWORKING
 226         if (hapd->driver->set_qos_map && conf->qos_map_set_len &&
 227             hapd->driver->set_qos_map(hapd->drv_priv, conf->qos_map_set,
 228                                       conf->qos_map_set_len)) {
 229                 wpa_printf(MSG_ERROR, "Failed to initialize QoS Map.");
 230                 return -1;
 231         }
 232 #endif /* CONFIG_INTERWORKING */
 233
 234         return 0;
 235 }
 236
 237
 238 static struct hostapd_iface *
 239 hostapd_interface_init(struct hapd_interfaces *interfaces,
 240                        const char *config_fname, int debug)
 241 {
 242         struct hostapd_iface *iface;
 243         int k;
 244
 245         wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
 246         iface = hostapd_init(interfaces, config_fname);
 247         if (!iface)
 248                 return NULL;
 249         iface->interfaces = interfaces;
 250
 251         for (k = 0; k < debug; k++) {
 252                 if (iface->bss[0]->conf->logger_stdout_level > 0)
 253                         iface->bss[0]->conf->logger_stdout_level--;
 254         }
 255
 256         if (iface->conf->bss[0]->iface[0] == '\0' &&
 257             !hostapd_drv_none(iface->bss[0])) {
 258                 wpa_printf(MSG_ERROR, "Interface name not specified in %s",
 259                            config_fname);
 260                 hostapd_interface_deinit_free(iface);
 261                 return NULL;
 262         }
 263
 264         if (hostapd_driver_init(iface) ||
 265             hostapd_setup_interface(iface)) {
 266                 hostapd_interface_deinit_free(iface);
 267                 return NULL;
 268         }
 269
 270         iface->init_done = 1;
 271
 272         return iface;
 273 }
 274
 275
 276 static int hostapd_interface_init2(struct hostapd_iface *iface)
 277 {
 278         if (iface->init_done)
 279                 return 0;
 280
 281         if (hostapd_driver_init(iface) ||
 282             hostapd_setup_interface(iface))
 283                 return -1;
 284         iface->init_done = 1;
 285
 286         return 0;
 287 }
 288
 289
 290 /**
 291  * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
 292  */
 293 static void handle_term(int sig, void *signal_ctx)
 294 {
 295         wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
 296         eloop_terminate();
 297 }
 298
 299
 300 #ifndef CONFIG_NATIVE_WINDOWS
 301
 302 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
 303 {
 304         if (hostapd_reload_config(iface) < 0) {
 305                 wpa_printf(MSG_WARNING, "Failed to read new configuration "
 306                            "file - continuing with old.");
 307         }
 308         return 0;
 309 }
 310
 311
 312 /**
 313  * handle_reload - SIGHUP handler to reload configuration
 314  */
 315 static void handle_reload(int sig, void *signal_ctx)
 316 {
 317         struct hapd_interfaces *interfaces = signal_ctx;
 318         wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
 319                    sig);
 320         hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
 321 }
 322
 323
 324 static void handle_dump_state(int sig, void *signal_ctx)
 325 {
 326 #ifdef HOSTAPD_DUMP_STATE
 327         struct hapd_interfaces *interfaces = signal_ctx;
 328         hostapd_for_each_interface(interfaces, handle_dump_state_iface, NULL);
 329 #endif /* HOSTAPD_DUMP_STATE */
 330 }
 331 #endif /* CONFIG_NATIVE_WINDOWS */
 332
 333
 334 static int hostapd_global_init(struct hapd_interfaces *interfaces,
 335                                const char *entropy_file)
 336 {
 337         int i;
 338
 339         os_memset(&global, 0, sizeof(global));
 340
 341         hostapd_logger_register_cb(hostapd_logger_cb);
 342
 343         if (eap_server_register_methods()) {
 344                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
 345                 return -1;
 346         }
 347
 348         if (eloop_init()) {
 349                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
 350                 return -1;
 351         }
 352
 353         random_init(entropy_file);
 354
 355 #ifndef CONFIG_NATIVE_WINDOWS
 356         eloop_register_signal(SIGHUP, handle_reload, interfaces);
 357         eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
 358 #endif /* CONFIG_NATIVE_WINDOWS */
 359         eloop_register_signal_terminate(handle_term, interfaces);
 360
 361 #ifndef CONFIG_NATIVE_WINDOWS
 362         openlog("hostapd", 0, LOG_DAEMON);
 363 #endif /* CONFIG_NATIVE_WINDOWS */
 364
 365         for (i = 0; wpa_drivers[i]; i++)
 366                 global.drv_count++;
 367         if (global.drv_count == 0) {
 368                 wpa_printf(MSG_ERROR, "No drivers enabled");
 369                 return -1;
 370         }
 371         global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
 372         if (global.drv_priv == NULL)
 373                 return -1;
 374
 375         return 0;
 376 }
 377
 378
 379 static void hostapd_global_deinit(const char *pid_file)
 380 {
 381         int i;
 382
 383         for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
 384                 if (!global.drv_priv[i])
 385                         continue;
 386                 wpa_drivers[i]->global_deinit(global.drv_priv[i]);
 387         }
 388         os_free(global.drv_priv);
 389         global.drv_priv = NULL;
 390
 391 #ifdef EAP_SERVER_TNC
 392         tncs_global_deinit();
 393 #endif /* EAP_SERVER_TNC */
 394
 395         random_deinit();
 396
 397         eloop_destroy();
 398
 399 #ifndef CONFIG_NATIVE_WINDOWS
 400         closelog();
 401 #endif /* CONFIG_NATIVE_WINDOWS */
 402
 403         eap_server_unregister_methods();
 404
 405         os_daemonize_terminate(pid_file);
 406 }
 407
 408
 409 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
 410                               const char *pid_file)
 411 {
 412 #ifdef EAP_SERVER_TNC
 413         int tnc = 0;
 414         size_t i, k;
 415
 416         for (i = 0; !tnc && i < ifaces->count; i++) {
 417                 for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
 418                         if (ifaces->iface[i]->bss[0]->conf->tnc) {
 419                                 tnc++;
 420                                 break;
 421                         }
 422                 }
 423         }
 424
 425         if (tnc && tncs_global_init() < 0) {
 426                 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
 427                 return -1;
 428         }
 429 #endif /* EAP_SERVER_TNC */
 430
 431         if (daemonize && os_daemonize(pid_file)) {
 432                 perror("daemon");
 433                 return -1;
 434         }
 435
 436         eloop_run();
 437
 438         return 0;
 439 }
 440
 441
 442 static void show_version(void)
 443 {
 444         fprintf(stderr,
 445                 "hostapd v" VERSION_STR "\n"
 446                 "User space daemon for IEEE 802.11 AP management,\n"
 447                 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
 448                 "Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi> "
 449                 "and contributors\n");
 450 }
 451
 452
 453 static void usage(void)
 454 {
 455         show_version();
 456         fprintf(stderr,
 457                 "\n"
 458                 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
 459                 "\\\n"
 460                 "         [-g <global ctrl_iface>] [-G <group>] \\\n"
 461                 "         <configuration file(s)>\n"
 462                 "\n"
 463                 "options:\n"
 464                 "   -h   show this usage\n"
 465                 "   -d   show more debug messages (-dd for even more)\n"
 466                 "   -B   run daemon in the background\n"
 467                 "   -e   entropy file\n"
 468                 "   -g   global control interface path\n"
 469                 "   -G   group for control interfaces\n"
 470                 "   -P   PID file\n"
 471                 "   -K   include key data in debug messages\n"
 472 #ifdef CONFIG_DEBUG_FILE
 473                 "   -f   log output to debug file instead of stdout\n"
 474 #endif /* CONFIG_DEBUG_FILE */
 475 #ifdef CONFIG_DEBUG_LINUX_TRACING
 476                 "   -T = record to Linux tracing in addition to logging\n"
 477                 "        (records all messages regardless of debug verbosity)\n"
 478 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 479                 "   -t   include timestamps in some debug messages\n"
 480                 "   -v   show hostapd version\n");
 481
 482         exit(1);
 483 }
 484
 485
 486 static const char * hostapd_msg_ifname_cb(void *ctx)
 487 {
 488         struct hostapd_data *hapd = ctx;
 489         if (hapd && hapd->iconf && hapd->iconf->bss &&
 490             hapd->iconf->num_bss > 0 && hapd->iconf->bss[0])
 491                 return hapd->iconf->bss[0]->iface;
 492         return NULL;
 493 }
 494
 495
 496 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
 497                                          const char *path)
 498 {
 499         char *pos;
 500         os_free(interfaces->global_iface_path);
 501         interfaces->global_iface_path = os_strdup(path);
 502         if (interfaces->global_iface_path == NULL)
 503                 return -1;
 504         pos = os_strrchr(interfaces->global_iface_path, '/');
 505         if (pos == NULL) {
 506                 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
 507                            "file");
 508                 os_free(interfaces->global_iface_path);
 509                 interfaces->global_iface_path = NULL;
 510                 return -1;
 511         }
 512
 513         *pos = '\0';
 514         interfaces->global_iface_name = pos + 1;
 515
 516         return 0;
 517 }
 518
 519
 520 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
 521                                         const char *group)
 522 {
 523 #ifndef CONFIG_NATIVE_WINDOWS
 524         struct group *grp;
 525         grp = getgrnam(group);
 526         if (grp == NULL) {
 527                 wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
 528                 return -1;
 529         }
 530         interfaces->ctrl_iface_group = grp->gr_gid;
 531 #endif /* CONFIG_NATIVE_WINDOWS */
 532         return 0;
 533 }
 534
 535
 536 int main(int argc, char *argv[])
 537 {
 538         struct hapd_interfaces interfaces;
 539         int ret = 1;
 540         size_t i, j;
 541         int c, debug = 0, daemonize = 0;
 542         char *pid_file = NULL;
 543         const char *log_file = NULL;
 544         const char *entropy_file = NULL;
 545         char **bss_config = NULL, **tmp_bss;
 546         size_t num_bss_configs = 0;
 547 #ifdef CONFIG_DEBUG_LINUX_TRACING
 548         int enable_trace_dbg = 0;
 549 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 550
 551         if (os_program_init())
 552                 return -1;
 553
 554         os_memset(&interfaces, 0, sizeof(interfaces));
 555         interfaces.reload_config = hostapd_reload_config;
 556         interfaces.config_read_cb = hostapd_config_read;
 557         interfaces.for_each_interface = hostapd_for_each_interface;
 558         interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
 559         interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
 560         interfaces.driver_init = hostapd_driver_init;
 561         interfaces.global_iface_path = NULL;
 562         interfaces.global_iface_name = NULL;
 563         interfaces.global_ctrl_sock = -1;
 564
 565         for (;;) {
 566                 c = getopt(argc, argv, "b:Bde:f:hKP:Ttvg:G:");
 567                 if (c < 0)
 568                         break;
 569                 switch (c) {
 570                 case 'h':
 571                         usage();
 572                         break;
 573                 case 'd':
 574                         debug++;
 575                         if (wpa_debug_level > 0)
 576                                 wpa_debug_level--;
 577                         break;
 578                 case 'B':
 579                         daemonize++;
 580                         break;
 581                 case 'e':
 582                         entropy_file = optarg;
 583                         break;
 584                 case 'f':
 585                         log_file = optarg;
 586                         break;
 587                 case 'K':
 588                         wpa_debug_show_keys++;
 589                         break;
 590                 case 'P':
 591                         os_free(pid_file);
 592                         pid_file = os_rel2abs_path(optarg);
 593                         break;
 594                 case 't':
 595                         wpa_debug_timestamp++;
 596                         break;
 597 #ifdef CONFIG_DEBUG_LINUX_TRACING
 598                 case 'T':
 599                         enable_trace_dbg = 1;
 600                         break;
 601 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 602                 case 'v':
 603                         show_version();
 604                         exit(1);
 605                         break;
 606                 case 'g':
 607                         if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
 608                                 return -1;
 609                         break;
 610                 case 'G':
 611                         if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
 612                                 return -1;
 613                         break;
 614                 case 'b':
 615                         tmp_bss = os_realloc_array(bss_config,
 616                                                    num_bss_configs + 1,
 617                                                    sizeof(char *));
 618                         if (tmp_bss == NULL)
 619                                 goto out;
 620                         bss_config = tmp_bss;
 621                         bss_config[num_bss_configs++] = optarg;
 622                         break;
 623                 default:
 624                         usage();
 625                         break;
 626                 }
 627         }
 628
 629         if (optind == argc && interfaces.global_iface_path == NULL &&
 630             num_bss_configs == 0)
 631                 usage();
 632
 633         wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
 634
 635         if (log_file)
 636                 wpa_debug_open_file(log_file);
 637 #ifdef CONFIG_DEBUG_LINUX_TRACING
 638         if (enable_trace_dbg) {
 639                 int tret = wpa_debug_open_linux_tracing();
 640                 if (tret) {
 641                         wpa_printf(MSG_ERROR, "Failed to enable trace logging");
 642                         return -1;
 643                 }
 644         }
 645 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 646
 647         interfaces.count = argc - optind;
 648         if (interfaces.count || num_bss_configs) {
 649                 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
 650                                              sizeof(struct hostapd_iface *));
 651                 if (interfaces.iface == NULL) {
 652                         wpa_printf(MSG_ERROR, "malloc failed");
 653                         return -1;
 654                 }
 655         }
 656
 657         if (hostapd_global_init(&interfaces, entropy_file)) {
 658                 wpa_printf(MSG_ERROR, "Failed to initilize global context");
 659                 return -1;
 660         }
 661
 662         /* Initialize interfaces */
 663         for (i = 0; i < interfaces.count; i++) {
 664                 interfaces.iface[i] = hostapd_interface_init(&interfaces,
 665                                                              argv[optind + i],
 666                                                              debug);
 667                 if (!interfaces.iface[i]) {
 668                         wpa_printf(MSG_ERROR, "Failed to initialize interface");
 669                         goto out;
 670                 }
 671         }
 672
 673         for (i = 0; i < num_bss_configs; i++) {
 674                 struct hostapd_iface *iface;
 675                 char *fname;
 676
 677                 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
 678                 fname = os_strchr(bss_config[i], ':');
 679                 if (fname == NULL) {
 680                         wpa_printf(MSG_ERROR,
 681                                    "Invalid BSS config identifier '%s'",
 682                                    bss_config[i]);
 683                         goto out;
 684                 }
 685                 *fname++ = '\0';
 686                 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
 687                                                    fname, debug);
 688                 if (iface == NULL)
 689                         goto out;
 690                 for (j = 0; j < interfaces.count; j++) {
 691                         if (interfaces.iface[j] == iface)
 692                                 break;
 693                 }
 694                 if (j == interfaces.count) {
 695                         struct hostapd_iface **tmp;
 696                         tmp = os_realloc_array(interfaces.iface,
 697                                                interfaces.count + 1,
 698                                                sizeof(struct hostapd_iface *));
 699                         if (tmp == NULL) {
 700                                 hostapd_interface_deinit_free(iface);
 701                                 goto out;
 702                         }
 703                         interfaces.iface = tmp;
 704                         interfaces.iface[interfaces.count++] = iface;
 705                 }
 706         }
 707
 708         for (i = 0; i < interfaces.count; i++) {
 709                 if (hostapd_interface_init2(interfaces.iface[i]) < 0)
 710                         goto out;
 711         }
 712
 713         hostapd_global_ctrl_iface_init(&interfaces);
 714
 715         if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
 716                 wpa_printf(MSG_ERROR, "Failed to start eloop");
 717                 goto out;
 718         }
 719
 720         ret = 0;
 721
 722  out:
 723         hostapd_global_ctrl_iface_deinit(&interfaces);
 724         /* Deinitialize all interfaces */
 725         for (i = 0; i < interfaces.count; i++)
 726                 hostapd_interface_deinit_free(interfaces.iface[i]);
 727         os_free(interfaces.iface);
 728
 729         hostapd_global_deinit(pid_file);
 730         os_free(pid_file);
 731
 732         if (log_file)
 733                 wpa_debug_close_file();
 734         wpa_debug_close_linux_tracing();
 735
 736         os_free(bss_config);
 737
 738         os_program_deinit();
 739
 740         return ret;
 741 }