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 "utils/uuid.h"
  18 #include "crypto/random.h"
  19 #include "crypto/tls.h"
  20 #include "common/version.h"
  21 #include "drivers/driver.h"
  22 #include "eap_server/eap.h"
  23 #include "eap_server/tncs.h"
  24 #include "ap/hostapd.h"
  25 #include "ap/ap_config.h"
  26 #include "ap/ap_drv_ops.h"
  27 #include "config_file.h"
  28 #include "eap_register.h"
  29 #include "ctrl_iface.h"
  30
  31
  32 struct hapd_global {
  33         void **drv_priv;
  34         size_t drv_count;
  35 };
  36
  37 static struct hapd_global global;
  38
  39
  40 #ifndef CONFIG_NO_HOSTAPD_LOGGER
  41 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
  42                               int level, const char *txt, size_t len)
  43 {
  44         struct hostapd_data *hapd = ctx;
  45         char *format, *module_str;
  46         int maxlen;
  47         int conf_syslog_level, conf_stdout_level;
  48         unsigned int conf_syslog, conf_stdout;
  49
  50         maxlen = len + 100;
  51         format = os_malloc(maxlen);
  52         if (!format)
  53                 return;
  54
  55         if (hapd && hapd->conf) {
  56                 conf_syslog_level = hapd->conf->logger_syslog_level;
  57                 conf_stdout_level = hapd->conf->logger_stdout_level;
  58                 conf_syslog = hapd->conf->logger_syslog;
  59                 conf_stdout = hapd->conf->logger_stdout;
  60         } else {
  61                 conf_syslog_level = conf_stdout_level = 0;
  62                 conf_syslog = conf_stdout = (unsigned int) -1;
  63         }
  64
  65         switch (module) {
  66         case HOSTAPD_MODULE_IEEE80211:
  67                 module_str = "IEEE 802.11";
  68                 break;
  69         case HOSTAPD_MODULE_IEEE8021X:
  70                 module_str = "IEEE 802.1X";
  71                 break;
  72         case HOSTAPD_MODULE_RADIUS:
  73                 module_str = "RADIUS";
  74                 break;
  75         case HOSTAPD_MODULE_WPA:
  76                 module_str = "WPA";
  77                 break;
  78         case HOSTAPD_MODULE_DRIVER:
  79                 module_str = "DRIVER";
  80                 break;
  81         case HOSTAPD_MODULE_IAPP:
  82                 module_str = "IAPP";
  83                 break;
  84         case HOSTAPD_MODULE_MLME:
  85                 module_str = "MLME";
  86                 break;
  87         default:
  88                 module_str = NULL;
  89                 break;
  90         }
  91
  92         if (hapd && hapd->conf && addr)
  93                 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
  94                             hapd->conf->iface, MAC2STR(addr),
  95                             module_str ? " " : "", module_str, txt);
  96         else if (hapd && hapd->conf)
  97                 os_snprintf(format, maxlen, "%s:%s%s %s",
  98                             hapd->conf->iface, module_str ? " " : "",
  99                             module_str, txt);
 100         else if (addr)
 101                 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
 102                             MAC2STR(addr), module_str ? " " : "",
 103                             module_str, txt);
 104         else
 105                 os_snprintf(format, maxlen, "%s%s%s",
 106                             module_str, module_str ? ": " : "", txt);
 107
 108         if ((conf_stdout & module) && level >= conf_stdout_level) {
 109                 wpa_debug_print_timestamp();
 110                 wpa_printf(MSG_INFO, "%s", format);
 111         }
 112
 113 #ifndef CONFIG_NATIVE_WINDOWS
 114         if ((conf_syslog & module) && level >= conf_syslog_level) {
 115                 int priority;
 116                 switch (level) {
 117                 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
 118                 case HOSTAPD_LEVEL_DEBUG:
 119                         priority = LOG_DEBUG;
 120                         break;
 121                 case HOSTAPD_LEVEL_INFO:
 122                         priority = LOG_INFO;
 123                         break;
 124                 case HOSTAPD_LEVEL_NOTICE:
 125                         priority = LOG_NOTICE;
 126                         break;
 127                 case HOSTAPD_LEVEL_WARNING:
 128                         priority = LOG_WARNING;
 129                         break;
 130                 default:
 131                         priority = LOG_INFO;
 132                         break;
 133                 }
 134                 syslog(priority, "%s", format);
 135         }
 136 #endif /* CONFIG_NATIVE_WINDOWS */
 137
 138         os_free(format);
 139 }
 140 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
 141
 142
 143 /**
 144  * hostapd_driver_init - Preparate driver interface
 145  */
 146 static int hostapd_driver_init(struct hostapd_iface *iface)
 147 {
 148         struct wpa_init_params params;
 149         size_t i;
 150         struct hostapd_data *hapd = iface->bss[0];
 151         struct hostapd_bss_config *conf = hapd->conf;
 152         u8 *b = conf->bssid;
 153         struct wpa_driver_capa capa;
 154
 155         if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
 156                 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
 157                 return -1;
 158         }
 159
 160         /* Initialize the driver interface */
 161         if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
 162                 b = NULL;
 163
 164         os_memset(&params, 0, sizeof(params));
 165         for (i = 0; wpa_drivers[i]; i++) {
 166                 if (wpa_drivers[i] != hapd->driver)
 167                         continue;
 168
 169                 if (global.drv_priv[i] == NULL &&
 170                     wpa_drivers[i]->global_init) {
 171                         global.drv_priv[i] = wpa_drivers[i]->global_init();
 172                         if (global.drv_priv[i] == NULL) {
 173                                 wpa_printf(MSG_ERROR, "Failed to initialize "
 174                                            "driver '%s'",
 175                                            wpa_drivers[i]->name);
 176                                 return -1;
 177                         }
 178                 }
 179
 180                 params.global_priv = global.drv_priv[i];
 181                 break;
 182         }
 183         params.bssid = b;
 184         params.ifname = hapd->conf->iface;
 185         params.ssid = hapd->conf->ssid.ssid;
 186         params.ssid_len = hapd->conf->ssid.ssid_len;
 187         params.test_socket = hapd->conf->test_socket;
 188         params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
 189
 190         params.num_bridge = hapd->iface->num_bss;
 191         params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
 192         if (params.bridge == NULL)
 193                 return -1;
 194         for (i = 0; i < hapd->iface->num_bss; i++) {
 195                 struct hostapd_data *bss = hapd->iface->bss[i];
 196                 if (bss->conf->bridge[0])
 197                         params.bridge[i] = bss->conf->bridge;
 198         }
 199
 200         params.own_addr = hapd->own_addr;
 201
 202         hapd->drv_priv = hapd->driver->hapd_init(hapd, &params);
 203         os_free(params.bridge);
 204         if (hapd->drv_priv == NULL) {
 205                 wpa_printf(MSG_ERROR, "%s driver initialization failed.",
 206                            hapd->driver->name);
 207                 hapd->driver = NULL;
 208                 return -1;
 209         }
 210
 211         if (hapd->driver->get_capa &&
 212             hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
 213                 iface->drv_flags = capa.flags;
 214                 iface->probe_resp_offloads = capa.probe_resp_offloads;
 215                 iface->extended_capa = capa.extended_capa;
 216                 iface->extended_capa_mask = capa.extended_capa_mask;
 217                 iface->extended_capa_len = capa.extended_capa_len;
 218                 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
 219         }
 220
 221         return 0;
 222 }
 223
 224
 225 /**
 226  * hostapd_interface_init - Read configuration file and init BSS data
 227  *
 228  * This function is used to parse configuration file for a full interface (one
 229  * or more BSSes sharing the same radio) and allocate memory for the BSS
 230  * interfaces. No actiual driver operations are started.
 231  */
 232 static struct hostapd_iface *
 233 hostapd_interface_init(struct hapd_interfaces *interfaces,
 234                        const char *config_fname, int debug)
 235 {
 236         struct hostapd_iface *iface;
 237         int k;
 238
 239         wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
 240         iface = hostapd_init(interfaces, config_fname);
 241         if (!iface)
 242                 return NULL;
 243         iface->interfaces = interfaces;
 244
 245         for (k = 0; k < debug; k++) {
 246                 if (iface->bss[0]->conf->logger_stdout_level > 0)
 247                         iface->bss[0]->conf->logger_stdout_level--;
 248         }
 249
 250         if (iface->conf->bss[0]->iface[0] == '\0' &&
 251             !hostapd_drv_none(iface->bss[0])) {
 252                 wpa_printf(MSG_ERROR, "Interface name not specified in %s",
 253                            config_fname);
 254                 hostapd_interface_deinit_free(iface);
 255                 return NULL;
 256         }
 257
 258         return iface;
 259 }
 260
 261
 262 /**
 263  * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
 264  */
 265 static void handle_term(int sig, void *signal_ctx)
 266 {
 267         wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
 268         eloop_terminate();
 269 }
 270
 271
 272 #ifndef CONFIG_NATIVE_WINDOWS
 273
 274 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
 275 {
 276         if (hostapd_reload_config(iface) < 0) {
 277                 wpa_printf(MSG_WARNING, "Failed to read new configuration "
 278                            "file - continuing with old.");
 279         }
 280         return 0;
 281 }
 282
 283
 284 /**
 285  * handle_reload - SIGHUP handler to reload configuration
 286  */
 287 static void handle_reload(int sig, void *signal_ctx)
 288 {
 289         struct hapd_interfaces *interfaces = signal_ctx;
 290         wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
 291                    sig);
 292         hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
 293 }
 294
 295
 296 static void handle_dump_state(int sig, void *signal_ctx)
 297 {
 298         /* Not used anymore - ignore signal */
 299 }
 300 #endif /* CONFIG_NATIVE_WINDOWS */
 301
 302
 303 static int hostapd_global_init(struct hapd_interfaces *interfaces,
 304                                const char *entropy_file)
 305 {
 306         int i;
 307
 308         os_memset(&global, 0, sizeof(global));
 309
 310         hostapd_logger_register_cb(hostapd_logger_cb);
 311
 312         if (eap_server_register_methods()) {
 313                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
 314                 return -1;
 315         }
 316
 317         if (eloop_init()) {
 318                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
 319                 return -1;
 320         }
 321
 322         random_init(entropy_file);
 323
 324 #ifndef CONFIG_NATIVE_WINDOWS
 325         eloop_register_signal(SIGHUP, handle_reload, interfaces);
 326         eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
 327 #endif /* CONFIG_NATIVE_WINDOWS */
 328         eloop_register_signal_terminate(handle_term, interfaces);
 329
 330 #ifndef CONFIG_NATIVE_WINDOWS
 331         openlog("hostapd", 0, LOG_DAEMON);
 332 #endif /* CONFIG_NATIVE_WINDOWS */
 333
 334         for (i = 0; wpa_drivers[i]; i++)
 335                 global.drv_count++;
 336         if (global.drv_count == 0) {
 337                 wpa_printf(MSG_ERROR, "No drivers enabled");
 338                 return -1;
 339         }
 340         global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
 341         if (global.drv_priv == NULL)
 342                 return -1;
 343
 344         return 0;
 345 }
 346
 347
 348 static void hostapd_global_deinit(const char *pid_file)
 349 {
 350         int i;
 351
 352         for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
 353                 if (!global.drv_priv[i])
 354                         continue;
 355                 wpa_drivers[i]->global_deinit(global.drv_priv[i]);
 356         }
 357         os_free(global.drv_priv);
 358         global.drv_priv = NULL;
 359
 360 #ifdef EAP_SERVER_TNC
 361         tncs_global_deinit();
 362 #endif /* EAP_SERVER_TNC */
 363
 364         random_deinit();
 365
 366         eloop_destroy();
 367
 368 #ifndef CONFIG_NATIVE_WINDOWS
 369         closelog();
 370 #endif /* CONFIG_NATIVE_WINDOWS */
 371
 372         eap_server_unregister_methods();
 373
 374         os_daemonize_terminate(pid_file);
 375 }
 376
 377
 378 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
 379                               const char *pid_file)
 380 {
 381 #ifdef EAP_SERVER_TNC
 382         int tnc = 0;
 383         size_t i, k;
 384
 385         for (i = 0; !tnc && i < ifaces->count; i++) {
 386                 for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
 387                         if (ifaces->iface[i]->bss[0]->conf->tnc) {
 388                                 tnc++;
 389                                 break;
 390                         }
 391                 }
 392         }
 393
 394         if (tnc && tncs_global_init() < 0) {
 395                 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
 396                 return -1;
 397         }
 398 #endif /* EAP_SERVER_TNC */
 399
 400         if (daemonize && os_daemonize(pid_file)) {
 401                 perror("daemon");
 402                 return -1;
 403         }
 404
 405         eloop_run();
 406
 407         return 0;
 408 }
 409
 410
 411 static void show_version(void)
 412 {
 413         fprintf(stderr,
 414                 "hostapd v" VERSION_STR "\n"
 415                 "User space daemon for IEEE 802.11 AP management,\n"
 416                 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
 417                 "Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> "
 418                 "and contributors\n");
 419 }
 420
 421
 422 static void usage(void)
 423 {
 424         show_version();
 425         fprintf(stderr,
 426                 "\n"
 427                 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
 428                 "\\\n"
 429                 "         [-g <global ctrl_iface>] [-G <group>] \\\n"
 430                 "         <configuration file(s)>\n"
 431                 "\n"
 432                 "options:\n"
 433                 "   -h   show this usage\n"
 434                 "   -d   show more debug messages (-dd for even more)\n"
 435                 "   -B   run daemon in the background\n"
 436                 "   -e   entropy file\n"
 437                 "   -g   global control interface path\n"
 438                 "   -G   group for control interfaces\n"
 439                 "   -P   PID file\n"
 440                 "   -K   include key data in debug messages\n"
 441 #ifdef CONFIG_DEBUG_FILE
 442                 "   -f   log output to debug file instead of stdout\n"
 443 #endif /* CONFIG_DEBUG_FILE */
 444 #ifdef CONFIG_DEBUG_LINUX_TRACING
 445                 "   -T = record to Linux tracing in addition to logging\n"
 446                 "        (records all messages regardless of debug verbosity)\n"
 447 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 448                 "   -t   include timestamps in some debug messages\n"
 449                 "   -v   show hostapd version\n");
 450
 451         exit(1);
 452 }
 453
 454
 455 static const char * hostapd_msg_ifname_cb(void *ctx)
 456 {
 457         struct hostapd_data *hapd = ctx;
 458         if (hapd && hapd->iconf && hapd->iconf->bss &&
 459             hapd->iconf->num_bss > 0 && hapd->iconf->bss[0])
 460                 return hapd->iconf->bss[0]->iface;
 461         return NULL;
 462 }
 463
 464
 465 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
 466                                          const char *path)
 467 {
 468         char *pos;
 469         os_free(interfaces->global_iface_path);
 470         interfaces->global_iface_path = os_strdup(path);
 471         if (interfaces->global_iface_path == NULL)
 472                 return -1;
 473         pos = os_strrchr(interfaces->global_iface_path, '/');
 474         if (pos == NULL) {
 475                 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
 476                            "file");
 477                 os_free(interfaces->global_iface_path);
 478                 interfaces->global_iface_path = NULL;
 479                 return -1;
 480         }
 481
 482         *pos = '\0';
 483         interfaces->global_iface_name = pos + 1;
 484
 485         return 0;
 486 }
 487
 488
 489 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
 490                                         const char *group)
 491 {
 492 #ifndef CONFIG_NATIVE_WINDOWS
 493         struct group *grp;
 494         grp = getgrnam(group);
 495         if (grp == NULL) {
 496                 wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
 497                 return -1;
 498         }
 499         interfaces->ctrl_iface_group = grp->gr_gid;
 500 #endif /* CONFIG_NATIVE_WINDOWS */
 501         return 0;
 502 }
 503
 504
 505 #ifdef CONFIG_WPS
 506 static int gen_uuid(const char *txt_addr)
 507 {
 508         u8 addr[ETH_ALEN];
 509         u8 uuid[UUID_LEN];
 510         char buf[100];
 511
 512         if (hwaddr_aton(txt_addr, addr) < 0)
 513                 return -1;
 514
 515         uuid_gen_mac_addr(addr, uuid);
 516         if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
 517                 return -1;
 518
 519         printf("%s\n", buf);
 520
 521         return 0;
 522 }
 523 #endif /* CONFIG_WPS */
 524
 525
 526 int main(int argc, char *argv[])
 527 {
 528         struct hapd_interfaces interfaces;
 529         int ret = 1;
 530         size_t i, j;
 531         int c, debug = 0, daemonize = 0;
 532         char *pid_file = NULL;
 533         const char *log_file = NULL;
 534         const char *entropy_file = NULL;
 535         char **bss_config = NULL, **tmp_bss;
 536         size_t num_bss_configs = 0;
 537 #ifdef CONFIG_DEBUG_LINUX_TRACING
 538         int enable_trace_dbg = 0;
 539 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 540
 541         if (os_program_init())
 542                 return -1;
 543
 544         os_memset(&interfaces, 0, sizeof(interfaces));
 545         interfaces.reload_config = hostapd_reload_config;
 546         interfaces.config_read_cb = hostapd_config_read;
 547         interfaces.for_each_interface = hostapd_for_each_interface;
 548         interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
 549         interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
 550         interfaces.driver_init = hostapd_driver_init;
 551         interfaces.global_iface_path = NULL;
 552         interfaces.global_iface_name = NULL;
 553         interfaces.global_ctrl_sock = -1;
 554
 555         for (;;) {
 556                 c = getopt(argc, argv, "b:Bde:f:hKP:Ttu:vg:G:");
 557                 if (c < 0)
 558                         break;
 559                 switch (c) {
 560                 case 'h':
 561                         usage();
 562                         break;
 563                 case 'd':
 564                         debug++;
 565                         if (wpa_debug_level > 0)
 566                                 wpa_debug_level--;
 567                         break;
 568                 case 'B':
 569                         daemonize++;
 570                         break;
 571                 case 'e':
 572                         entropy_file = optarg;
 573                         break;
 574                 case 'f':
 575                         log_file = optarg;
 576                         break;
 577                 case 'K':
 578                         wpa_debug_show_keys++;
 579                         break;
 580                 case 'P':
 581                         os_free(pid_file);
 582                         pid_file = os_rel2abs_path(optarg);
 583                         break;
 584                 case 't':
 585                         wpa_debug_timestamp++;
 586                         break;
 587 #ifdef CONFIG_DEBUG_LINUX_TRACING
 588                 case 'T':
 589                         enable_trace_dbg = 1;
 590                         break;
 591 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 592                 case 'v':
 593                         show_version();
 594                         exit(1);
 595                         break;
 596                 case 'g':
 597                         if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
 598                                 return -1;
 599                         break;
 600                 case 'G':
 601                         if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
 602                                 return -1;
 603                         break;
 604                 case 'b':
 605                         tmp_bss = os_realloc_array(bss_config,
 606                                                    num_bss_configs + 1,
 607                                                    sizeof(char *));
 608                         if (tmp_bss == NULL)
 609                                 goto out;
 610                         bss_config = tmp_bss;
 611                         bss_config[num_bss_configs++] = optarg;
 612                         break;
 613 #ifdef CONFIG_WPS
 614                 case 'u':
 615                         return gen_uuid(optarg);
 616 #endif /* CONFIG_WPS */
 617                 default:
 618                         usage();
 619                         break;
 620                 }
 621         }
 622
 623         if (optind == argc && interfaces.global_iface_path == NULL &&
 624             num_bss_configs == 0)
 625                 usage();
 626
 627         wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
 628
 629         if (log_file)
 630                 wpa_debug_open_file(log_file);
 631 #ifdef CONFIG_DEBUG_LINUX_TRACING
 632         if (enable_trace_dbg) {
 633                 int tret = wpa_debug_open_linux_tracing();
 634                 if (tret) {
 635                         wpa_printf(MSG_ERROR, "Failed to enable trace logging");
 636                         return -1;
 637                 }
 638         }
 639 #endif /* CONFIG_DEBUG_LINUX_TRACING */
 640
 641         interfaces.count = argc - optind;
 642         if (interfaces.count || num_bss_configs) {
 643                 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
 644                                              sizeof(struct hostapd_iface *));
 645                 if (interfaces.iface == NULL) {
 646                         wpa_printf(MSG_ERROR, "malloc failed");
 647                         return -1;
 648                 }
 649         }
 650
 651         if (hostapd_global_init(&interfaces, entropy_file)) {
 652                 wpa_printf(MSG_ERROR, "Failed to initilize global context");
 653                 return -1;
 654         }
 655
 656         /* Allocate and parse configuration for full interface files */
 657         for (i = 0; i < interfaces.count; i++) {
 658                 interfaces.iface[i] = hostapd_interface_init(&interfaces,
 659                                                              argv[optind + i],
 660                                                              debug);
 661                 if (!interfaces.iface[i]) {
 662                         wpa_printf(MSG_ERROR, "Failed to initialize interface");
 663                         goto out;
 664                 }
 665         }
 666
 667         /* Allocate and parse configuration for per-BSS files */
 668         for (i = 0; i < num_bss_configs; i++) {
 669                 struct hostapd_iface *iface;
 670                 char *fname;
 671
 672                 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
 673                 fname = os_strchr(bss_config[i], ':');
 674                 if (fname == NULL) {
 675                         wpa_printf(MSG_ERROR,
 676                                    "Invalid BSS config identifier '%s'",
 677                                    bss_config[i]);
 678                         goto out;
 679                 }
 680                 *fname++ = '\0';
 681                 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
 682                                                    fname, debug);
 683                 if (iface == NULL)
 684                         goto out;
 685                 for (j = 0; j < interfaces.count; j++) {
 686                         if (interfaces.iface[j] == iface)
 687                                 break;
 688                 }
 689                 if (j == interfaces.count) {
 690                         struct hostapd_iface **tmp;
 691                         tmp = os_realloc_array(interfaces.iface,
 692                                                interfaces.count + 1,
 693                                                sizeof(struct hostapd_iface *));
 694                         if (tmp == NULL) {
 695                                 hostapd_interface_deinit_free(iface);
 696                                 goto out;
 697                         }
 698                         interfaces.iface = tmp;
 699                         interfaces.iface[interfaces.count++] = iface;
 700                 }
 701         }
 702
 703         /*
 704          * Enable configured interfaces. Depending on channel configuration,
 705          * this may complete full initialization before returning or use a
 706          * callback mechanism to complete setup in case of operations like HT
 707          * co-ex scans, ACS, or DFS are needed to determine channel parameters.
 708          * In such case, the interface will be enabled from eloop context within
 709          * hostapd_global_run().
 710          */
 711         interfaces.terminate_on_error = interfaces.count;
 712         for (i = 0; i < interfaces.count; i++) {
 713                 if (hostapd_driver_init(interfaces.iface[i]) ||
 714                     hostapd_setup_interface(interfaces.iface[i]))
 715                         goto out;
 716         }
 717
 718         hostapd_global_ctrl_iface_init(&interfaces);
 719
 720         if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
 721                 wpa_printf(MSG_ERROR, "Failed to start eloop");
 722                 goto out;
 723         }
 724
 725         ret = 0;
 726
 727  out:
 728         hostapd_global_ctrl_iface_deinit(&interfaces);
 729         /* Deinitialize all interfaces */
 730         for (i = 0; i < interfaces.count; i++)
 731                 hostapd_interface_deinit_free(interfaces.iface[i]);
 732         os_free(interfaces.iface);
 733
 734         hostapd_global_deinit(pid_file);
 735         os_free(pid_file);
 736
 737         if (log_file)
 738                 wpa_debug_close_file();
 739         wpa_debug_close_linux_tracing();
 740
 741         os_free(bss_config);
 742
 743         os_program_deinit();
 744
 745         return ret;
 746 }