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