1 /* 2 * hostapd / main() 3 * Copyright (c) 2002-2015, 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 ? module_str : "", 96 txt); 97 else if (hapd && hapd->conf) 98 os_snprintf(format, maxlen, "%s:%s%s %s", 99 hapd->conf->iface, module_str ? " " : "", 100 module_str ? module_str : "", txt); 101 else if (addr) 102 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", 103 MAC2STR(addr), module_str ? " " : "", 104 module_str ? module_str : "", txt); 105 else 106 os_snprintf(format, maxlen, "%s%s%s", 107 module_str ? module_str : "", 108 module_str ? ": " : "", txt); 109 110 if ((conf_stdout & module) && level >= conf_stdout_level) { 111 wpa_debug_print_timestamp(); 112 wpa_printf(MSG_INFO, "%s", format); 113 } 114 115 #ifndef CONFIG_NATIVE_WINDOWS 116 if ((conf_syslog & module) && level >= conf_syslog_level) { 117 int priority; 118 switch (level) { 119 case HOSTAPD_LEVEL_DEBUG_VERBOSE: 120 case HOSTAPD_LEVEL_DEBUG: 121 priority = LOG_DEBUG; 122 break; 123 case HOSTAPD_LEVEL_INFO: 124 priority = LOG_INFO; 125 break; 126 case HOSTAPD_LEVEL_NOTICE: 127 priority = LOG_NOTICE; 128 break; 129 case HOSTAPD_LEVEL_WARNING: 130 priority = LOG_WARNING; 131 break; 132 default: 133 priority = LOG_INFO; 134 break; 135 } 136 syslog(priority, "%s", format); 137 } 138 #endif /* CONFIG_NATIVE_WINDOWS */ 139 140 os_free(format); 141 } 142 #endif /* CONFIG_NO_HOSTAPD_LOGGER */ 143 144 145 /** 146 * hostapd_driver_init - Preparate driver interface 147 */ 148 static int hostapd_driver_init(struct hostapd_iface *iface) 149 { 150 struct wpa_init_params params; 151 size_t i; 152 struct hostapd_data *hapd = iface->bss[0]; 153 struct hostapd_bss_config *conf = hapd->conf; 154 u8 *b = conf->bssid; 155 struct wpa_driver_capa capa; 156 157 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { 158 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); 159 return -1; 160 } 161 162 /* Initialize the driver interface */ 163 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) 164 b = NULL; 165 166 os_memset(¶ms, 0, sizeof(params)); 167 for (i = 0; wpa_drivers[i]; i++) { 168 if (wpa_drivers[i] != hapd->driver) 169 continue; 170 171 if (global.drv_priv[i] == NULL && 172 wpa_drivers[i]->global_init) { 173 global.drv_priv[i] = wpa_drivers[i]->global_init(); 174 if (global.drv_priv[i] == NULL) { 175 wpa_printf(MSG_ERROR, "Failed to initialize " 176 "driver '%s'", 177 wpa_drivers[i]->name); 178 return -1; 179 } 180 } 181 182 params.global_priv = global.drv_priv[i]; 183 break; 184 } 185 params.bssid = b; 186 params.ifname = hapd->conf->iface; 187 params.driver_params = hapd->iconf->driver_params; 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, ¶ms); 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 struct wowlan_triggers *triggs; 214 215 iface->drv_flags = capa.flags; 216 iface->smps_modes = capa.smps_modes; 217 iface->probe_resp_offloads = capa.probe_resp_offloads; 218 iface->extended_capa = capa.extended_capa; 219 iface->extended_capa_mask = capa.extended_capa_mask; 220 iface->extended_capa_len = capa.extended_capa_len; 221 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 222 223 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 224 if (triggs && hapd->driver->set_wowlan) { 225 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 226 wpa_printf(MSG_ERROR, "set_wowlan failed"); 227 } 228 os_free(triggs); 229 } 230 231 return 0; 232 } 233 234 235 /** 236 * hostapd_interface_init - Read configuration file and init BSS data 237 * 238 * This function is used to parse configuration file for a full interface (one 239 * or more BSSes sharing the same radio) and allocate memory for the BSS 240 * interfaces. No actiual driver operations are started. 241 */ 242 static struct hostapd_iface * 243 hostapd_interface_init(struct hapd_interfaces *interfaces, 244 const char *config_fname, int debug) 245 { 246 struct hostapd_iface *iface; 247 int k; 248 249 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 250 iface = hostapd_init(interfaces, config_fname); 251 if (!iface) 252 return NULL; 253 iface->interfaces = interfaces; 254 255 for (k = 0; k < debug; k++) { 256 if (iface->bss[0]->conf->logger_stdout_level > 0) 257 iface->bss[0]->conf->logger_stdout_level--; 258 } 259 260 if (iface->conf->bss[0]->iface[0] == '\0' && 261 !hostapd_drv_none(iface->bss[0])) { 262 wpa_printf(MSG_ERROR, "Interface name not specified in %s", 263 config_fname); 264 hostapd_interface_deinit_free(iface); 265 return NULL; 266 } 267 268 return iface; 269 } 270 271 272 /** 273 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 274 */ 275 static void handle_term(int sig, void *signal_ctx) 276 { 277 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 278 eloop_terminate(); 279 } 280 281 282 #ifndef CONFIG_NATIVE_WINDOWS 283 284 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 285 { 286 if (hostapd_reload_config(iface) < 0) { 287 wpa_printf(MSG_WARNING, "Failed to read new configuration " 288 "file - continuing with old."); 289 } 290 return 0; 291 } 292 293 294 /** 295 * handle_reload - SIGHUP handler to reload configuration 296 */ 297 static void handle_reload(int sig, void *signal_ctx) 298 { 299 struct hapd_interfaces *interfaces = signal_ctx; 300 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 301 sig); 302 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 303 } 304 305 306 static void handle_dump_state(int sig, void *signal_ctx) 307 { 308 /* Not used anymore - ignore signal */ 309 } 310 #endif /* CONFIG_NATIVE_WINDOWS */ 311 312 313 static int hostapd_global_init(struct hapd_interfaces *interfaces, 314 const char *entropy_file) 315 { 316 int i; 317 318 os_memset(&global, 0, sizeof(global)); 319 320 hostapd_logger_register_cb(hostapd_logger_cb); 321 322 if (eap_server_register_methods()) { 323 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 324 return -1; 325 } 326 327 if (eloop_init()) { 328 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 329 return -1; 330 } 331 332 random_init(entropy_file); 333 334 #ifndef CONFIG_NATIVE_WINDOWS 335 eloop_register_signal(SIGHUP, handle_reload, interfaces); 336 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 337 #endif /* CONFIG_NATIVE_WINDOWS */ 338 eloop_register_signal_terminate(handle_term, interfaces); 339 340 #ifndef CONFIG_NATIVE_WINDOWS 341 openlog("hostapd", 0, LOG_DAEMON); 342 #endif /* CONFIG_NATIVE_WINDOWS */ 343 344 for (i = 0; wpa_drivers[i]; i++) 345 global.drv_count++; 346 if (global.drv_count == 0) { 347 wpa_printf(MSG_ERROR, "No drivers enabled"); 348 return -1; 349 } 350 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 351 if (global.drv_priv == NULL) 352 return -1; 353 354 return 0; 355 } 356 357 358 static void hostapd_global_deinit(const char *pid_file) 359 { 360 int i; 361 362 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 363 if (!global.drv_priv[i]) 364 continue; 365 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 366 } 367 os_free(global.drv_priv); 368 global.drv_priv = NULL; 369 370 #ifdef EAP_SERVER_TNC 371 tncs_global_deinit(); 372 #endif /* EAP_SERVER_TNC */ 373 374 random_deinit(); 375 376 eloop_destroy(); 377 378 #ifndef CONFIG_NATIVE_WINDOWS 379 closelog(); 380 #endif /* CONFIG_NATIVE_WINDOWS */ 381 382 eap_server_unregister_methods(); 383 384 os_daemonize_terminate(pid_file); 385 } 386 387 388 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 389 const char *pid_file) 390 { 391 #ifdef EAP_SERVER_TNC 392 int tnc = 0; 393 size_t i, k; 394 395 for (i = 0; !tnc && i < ifaces->count; i++) { 396 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 397 if (ifaces->iface[i]->bss[0]->conf->tnc) { 398 tnc++; 399 break; 400 } 401 } 402 } 403 404 if (tnc && tncs_global_init() < 0) { 405 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 406 return -1; 407 } 408 #endif /* EAP_SERVER_TNC */ 409 410 if (daemonize && os_daemonize(pid_file)) { 411 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 412 return -1; 413 } 414 415 eloop_run(); 416 417 return 0; 418 } 419 420 421 static void show_version(void) 422 { 423 fprintf(stderr, 424 "hostapd v" VERSION_STR "\n" 425 "User space daemon for IEEE 802.11 AP management,\n" 426 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 427 "Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> " 428 "and contributors\n"); 429 } 430 431 432 static void usage(void) 433 { 434 show_version(); 435 fprintf(stderr, 436 "\n" 437 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 438 "\\\n" 439 " [-g <global ctrl_iface>] [-G <group>] \\\n" 440 " <configuration file(s)>\n" 441 "\n" 442 "options:\n" 443 " -h show this usage\n" 444 " -d show more debug messages (-dd for even more)\n" 445 " -B run daemon in the background\n" 446 " -e entropy file\n" 447 " -g global control interface path\n" 448 " -G group for control interfaces\n" 449 " -P PID file\n" 450 " -K include key data in debug messages\n" 451 #ifdef CONFIG_DEBUG_FILE 452 " -f log output to debug file instead of stdout\n" 453 #endif /* CONFIG_DEBUG_FILE */ 454 #ifdef CONFIG_DEBUG_LINUX_TRACING 455 " -T = record to Linux tracing in addition to logging\n" 456 " (records all messages regardless of debug verbosity)\n" 457 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 458 " -t include timestamps in some debug messages\n" 459 " -v show hostapd version\n"); 460 461 exit(1); 462 } 463 464 465 static const char * hostapd_msg_ifname_cb(void *ctx) 466 { 467 struct hostapd_data *hapd = ctx; 468 if (hapd && hapd->iconf && hapd->iconf->bss && 469 hapd->iconf->num_bss > 0 && hapd->iconf->bss[0]) 470 return hapd->iconf->bss[0]->iface; 471 return NULL; 472 } 473 474 475 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 476 const char *path) 477 { 478 char *pos; 479 os_free(interfaces->global_iface_path); 480 interfaces->global_iface_path = os_strdup(path); 481 if (interfaces->global_iface_path == NULL) 482 return -1; 483 pos = os_strrchr(interfaces->global_iface_path, '/'); 484 if (pos == NULL) { 485 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 486 "file"); 487 os_free(interfaces->global_iface_path); 488 interfaces->global_iface_path = NULL; 489 return -1; 490 } 491 492 *pos = '\0'; 493 interfaces->global_iface_name = pos + 1; 494 495 return 0; 496 } 497 498 499 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 500 const char *group) 501 { 502 #ifndef CONFIG_NATIVE_WINDOWS 503 struct group *grp; 504 grp = getgrnam(group); 505 if (grp == NULL) { 506 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 507 return -1; 508 } 509 interfaces->ctrl_iface_group = grp->gr_gid; 510 #endif /* CONFIG_NATIVE_WINDOWS */ 511 return 0; 512 } 513 514 515 #ifdef CONFIG_WPS 516 static int gen_uuid(const char *txt_addr) 517 { 518 u8 addr[ETH_ALEN]; 519 u8 uuid[UUID_LEN]; 520 char buf[100]; 521 522 if (hwaddr_aton(txt_addr, addr) < 0) 523 return -1; 524 525 uuid_gen_mac_addr(addr, uuid); 526 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 527 return -1; 528 529 printf("%s\n", buf); 530 531 return 0; 532 } 533 #endif /* CONFIG_WPS */ 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:Ttu:vg: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 #ifdef CONFIG_WPS 624 case 'u': 625 return gen_uuid(optarg); 626 #endif /* CONFIG_WPS */ 627 default: 628 usage(); 629 break; 630 } 631 } 632 633 if (optind == argc && interfaces.global_iface_path == NULL && 634 num_bss_configs == 0) 635 usage(); 636 637 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 638 639 if (log_file) 640 wpa_debug_open_file(log_file); 641 else 642 wpa_debug_setup_stdout(); 643 #ifdef CONFIG_DEBUG_LINUX_TRACING 644 if (enable_trace_dbg) { 645 int tret = wpa_debug_open_linux_tracing(); 646 if (tret) { 647 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 648 return -1; 649 } 650 } 651 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 652 653 interfaces.count = argc - optind; 654 if (interfaces.count || num_bss_configs) { 655 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 656 sizeof(struct hostapd_iface *)); 657 if (interfaces.iface == NULL) { 658 wpa_printf(MSG_ERROR, "malloc failed"); 659 return -1; 660 } 661 } 662 663 if (hostapd_global_init(&interfaces, entropy_file)) { 664 wpa_printf(MSG_ERROR, "Failed to initilize global context"); 665 return -1; 666 } 667 668 /* Allocate and parse configuration for full interface files */ 669 for (i = 0; i < interfaces.count; i++) { 670 interfaces.iface[i] = hostapd_interface_init(&interfaces, 671 argv[optind + i], 672 debug); 673 if (!interfaces.iface[i]) { 674 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 675 goto out; 676 } 677 } 678 679 /* Allocate and parse configuration for per-BSS files */ 680 for (i = 0; i < num_bss_configs; i++) { 681 struct hostapd_iface *iface; 682 char *fname; 683 684 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 685 fname = os_strchr(bss_config[i], ':'); 686 if (fname == NULL) { 687 wpa_printf(MSG_ERROR, 688 "Invalid BSS config identifier '%s'", 689 bss_config[i]); 690 goto out; 691 } 692 *fname++ = '\0'; 693 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 694 fname, debug); 695 if (iface == NULL) 696 goto out; 697 for (j = 0; j < interfaces.count; j++) { 698 if (interfaces.iface[j] == iface) 699 break; 700 } 701 if (j == interfaces.count) { 702 struct hostapd_iface **tmp; 703 tmp = os_realloc_array(interfaces.iface, 704 interfaces.count + 1, 705 sizeof(struct hostapd_iface *)); 706 if (tmp == NULL) { 707 hostapd_interface_deinit_free(iface); 708 goto out; 709 } 710 interfaces.iface = tmp; 711 interfaces.iface[interfaces.count++] = iface; 712 } 713 } 714 715 /* 716 * Enable configured interfaces. Depending on channel configuration, 717 * this may complete full initialization before returning or use a 718 * callback mechanism to complete setup in case of operations like HT 719 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 720 * In such case, the interface will be enabled from eloop context within 721 * hostapd_global_run(). 722 */ 723 interfaces.terminate_on_error = interfaces.count; 724 for (i = 0; i < interfaces.count; i++) { 725 if (hostapd_driver_init(interfaces.iface[i]) || 726 hostapd_setup_interface(interfaces.iface[i])) 727 goto out; 728 } 729 730 hostapd_global_ctrl_iface_init(&interfaces); 731 732 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 733 wpa_printf(MSG_ERROR, "Failed to start eloop"); 734 goto out; 735 } 736 737 ret = 0; 738 739 out: 740 hostapd_global_ctrl_iface_deinit(&interfaces); 741 /* Deinitialize all interfaces */ 742 for (i = 0; i < interfaces.count; i++) { 743 if (!interfaces.iface[i]) 744 continue; 745 interfaces.iface[i]->driver_ap_teardown = 746 !!(interfaces.iface[i]->drv_flags & 747 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 748 hostapd_interface_deinit_free(interfaces.iface[i]); 749 } 750 os_free(interfaces.iface); 751 752 hostapd_global_deinit(pid_file); 753 os_free(pid_file); 754 755 if (log_file) 756 wpa_debug_close_file(); 757 wpa_debug_close_linux_tracing(); 758 759 os_free(bss_config); 760 761 os_program_deinit(); 762 763 return ret; 764 } 765