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 "fst/fst.h" 28 #include "config_file.h" 29 #include "eap_register.h" 30 #include "ctrl_iface.h" 31 32 33 struct hapd_global { 34 void **drv_priv; 35 size_t drv_count; 36 }; 37 38 static struct hapd_global global; 39 40 41 #ifndef CONFIG_NO_HOSTAPD_LOGGER 42 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, 43 int level, const char *txt, size_t len) 44 { 45 struct hostapd_data *hapd = ctx; 46 char *format, *module_str; 47 int maxlen; 48 int conf_syslog_level, conf_stdout_level; 49 unsigned int conf_syslog, conf_stdout; 50 51 maxlen = len + 100; 52 format = os_malloc(maxlen); 53 if (!format) 54 return; 55 56 if (hapd && hapd->conf) { 57 conf_syslog_level = hapd->conf->logger_syslog_level; 58 conf_stdout_level = hapd->conf->logger_stdout_level; 59 conf_syslog = hapd->conf->logger_syslog; 60 conf_stdout = hapd->conf->logger_stdout; 61 } else { 62 conf_syslog_level = conf_stdout_level = 0; 63 conf_syslog = conf_stdout = (unsigned int) -1; 64 } 65 66 switch (module) { 67 case HOSTAPD_MODULE_IEEE80211: 68 module_str = "IEEE 802.11"; 69 break; 70 case HOSTAPD_MODULE_IEEE8021X: 71 module_str = "IEEE 802.1X"; 72 break; 73 case HOSTAPD_MODULE_RADIUS: 74 module_str = "RADIUS"; 75 break; 76 case HOSTAPD_MODULE_WPA: 77 module_str = "WPA"; 78 break; 79 case HOSTAPD_MODULE_DRIVER: 80 module_str = "DRIVER"; 81 break; 82 case HOSTAPD_MODULE_IAPP: 83 module_str = "IAPP"; 84 break; 85 case HOSTAPD_MODULE_MLME: 86 module_str = "MLME"; 87 break; 88 default: 89 module_str = NULL; 90 break; 91 } 92 93 if (hapd && hapd->conf && addr) 94 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", 95 hapd->conf->iface, MAC2STR(addr), 96 module_str ? " " : "", module_str ? module_str : "", 97 txt); 98 else if (hapd && hapd->conf) 99 os_snprintf(format, maxlen, "%s:%s%s %s", 100 hapd->conf->iface, module_str ? " " : "", 101 module_str ? module_str : "", txt); 102 else if (addr) 103 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", 104 MAC2STR(addr), module_str ? " " : "", 105 module_str ? module_str : "", txt); 106 else 107 os_snprintf(format, maxlen, "%s%s%s", 108 module_str ? module_str : "", 109 module_str ? ": " : "", txt); 110 111 if ((conf_stdout & module) && level >= conf_stdout_level) { 112 wpa_debug_print_timestamp(); 113 wpa_printf(MSG_INFO, "%s", format); 114 } 115 116 #ifndef CONFIG_NATIVE_WINDOWS 117 if ((conf_syslog & module) && level >= conf_syslog_level) { 118 int priority; 119 switch (level) { 120 case HOSTAPD_LEVEL_DEBUG_VERBOSE: 121 case HOSTAPD_LEVEL_DEBUG: 122 priority = LOG_DEBUG; 123 break; 124 case HOSTAPD_LEVEL_INFO: 125 priority = LOG_INFO; 126 break; 127 case HOSTAPD_LEVEL_NOTICE: 128 priority = LOG_NOTICE; 129 break; 130 case HOSTAPD_LEVEL_WARNING: 131 priority = LOG_WARNING; 132 break; 133 default: 134 priority = LOG_INFO; 135 break; 136 } 137 syslog(priority, "%s", format); 138 } 139 #endif /* CONFIG_NATIVE_WINDOWS */ 140 141 os_free(format); 142 } 143 #endif /* CONFIG_NO_HOSTAPD_LOGGER */ 144 145 146 /** 147 * hostapd_driver_init - Preparate driver interface 148 */ 149 static int hostapd_driver_init(struct hostapd_iface *iface) 150 { 151 struct wpa_init_params params; 152 size_t i; 153 struct hostapd_data *hapd = iface->bss[0]; 154 struct hostapd_bss_config *conf = hapd->conf; 155 u8 *b = conf->bssid; 156 struct wpa_driver_capa capa; 157 158 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { 159 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); 160 return -1; 161 } 162 163 /* Initialize the driver interface */ 164 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) 165 b = NULL; 166 167 os_memset(¶ms, 0, sizeof(params)); 168 for (i = 0; wpa_drivers[i]; i++) { 169 if (wpa_drivers[i] != hapd->driver) 170 continue; 171 172 if (global.drv_priv[i] == NULL && 173 wpa_drivers[i]->global_init) { 174 global.drv_priv[i] = wpa_drivers[i]->global_init(); 175 if (global.drv_priv[i] == NULL) { 176 wpa_printf(MSG_ERROR, "Failed to initialize " 177 "driver '%s'", 178 wpa_drivers[i]->name); 179 return -1; 180 } 181 } 182 183 params.global_priv = global.drv_priv[i]; 184 break; 185 } 186 params.bssid = b; 187 params.ifname = hapd->conf->iface; 188 params.driver_params = hapd->iconf->driver_params; 189 params.use_pae_group_addr = hapd->conf->use_pae_group_addr; 190 191 params.num_bridge = hapd->iface->num_bss; 192 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); 193 if (params.bridge == NULL) 194 return -1; 195 for (i = 0; i < hapd->iface->num_bss; i++) { 196 struct hostapd_data *bss = hapd->iface->bss[i]; 197 if (bss->conf->bridge[0]) 198 params.bridge[i] = bss->conf->bridge; 199 } 200 201 params.own_addr = hapd->own_addr; 202 203 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); 204 os_free(params.bridge); 205 if (hapd->drv_priv == NULL) { 206 wpa_printf(MSG_ERROR, "%s driver initialization failed.", 207 hapd->driver->name); 208 hapd->driver = NULL; 209 return -1; 210 } 211 212 if (hapd->driver->get_capa && 213 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { 214 struct wowlan_triggers *triggs; 215 216 iface->drv_flags = capa.flags; 217 iface->smps_modes = capa.smps_modes; 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 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 225 if (triggs && hapd->driver->set_wowlan) { 226 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 227 wpa_printf(MSG_ERROR, "set_wowlan failed"); 228 } 229 os_free(triggs); 230 } 231 232 return 0; 233 } 234 235 236 /** 237 * hostapd_interface_init - Read configuration file and init BSS data 238 * 239 * This function is used to parse configuration file for a full interface (one 240 * or more BSSes sharing the same radio) and allocate memory for the BSS 241 * interfaces. No actiual driver operations are started. 242 */ 243 static struct hostapd_iface * 244 hostapd_interface_init(struct hapd_interfaces *interfaces, 245 const char *config_fname, int debug) 246 { 247 struct hostapd_iface *iface; 248 int k; 249 250 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 251 iface = hostapd_init(interfaces, config_fname); 252 if (!iface) 253 return NULL; 254 iface->interfaces = interfaces; 255 256 for (k = 0; k < debug; k++) { 257 if (iface->bss[0]->conf->logger_stdout_level > 0) 258 iface->bss[0]->conf->logger_stdout_level--; 259 } 260 261 if (iface->conf->bss[0]->iface[0] == '\0' && 262 !hostapd_drv_none(iface->bss[0])) { 263 wpa_printf(MSG_ERROR, "Interface name not specified in %s", 264 config_fname); 265 hostapd_interface_deinit_free(iface); 266 return NULL; 267 } 268 269 return iface; 270 } 271 272 273 /** 274 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 275 */ 276 static void handle_term(int sig, void *signal_ctx) 277 { 278 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 279 eloop_terminate(); 280 } 281 282 283 #ifndef CONFIG_NATIVE_WINDOWS 284 285 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 286 { 287 if (hostapd_reload_config(iface) < 0) { 288 wpa_printf(MSG_WARNING, "Failed to read new configuration " 289 "file - continuing with old."); 290 } 291 return 0; 292 } 293 294 295 /** 296 * handle_reload - SIGHUP handler to reload configuration 297 */ 298 static void handle_reload(int sig, void *signal_ctx) 299 { 300 struct hapd_interfaces *interfaces = signal_ctx; 301 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 302 sig); 303 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 304 } 305 306 307 static void handle_dump_state(int sig, void *signal_ctx) 308 { 309 /* Not used anymore - ignore signal */ 310 } 311 #endif /* CONFIG_NATIVE_WINDOWS */ 312 313 314 static int hostapd_global_init(struct hapd_interfaces *interfaces, 315 const char *entropy_file) 316 { 317 int i; 318 319 os_memset(&global, 0, sizeof(global)); 320 321 hostapd_logger_register_cb(hostapd_logger_cb); 322 323 if (eap_server_register_methods()) { 324 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 325 return -1; 326 } 327 328 if (eloop_init()) { 329 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 330 return -1; 331 } 332 333 random_init(entropy_file); 334 335 #ifndef CONFIG_NATIVE_WINDOWS 336 eloop_register_signal(SIGHUP, handle_reload, interfaces); 337 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 338 #endif /* CONFIG_NATIVE_WINDOWS */ 339 eloop_register_signal_terminate(handle_term, interfaces); 340 341 #ifndef CONFIG_NATIVE_WINDOWS 342 openlog("hostapd", 0, LOG_DAEMON); 343 #endif /* CONFIG_NATIVE_WINDOWS */ 344 345 for (i = 0; wpa_drivers[i]; i++) 346 global.drv_count++; 347 if (global.drv_count == 0) { 348 wpa_printf(MSG_ERROR, "No drivers enabled"); 349 return -1; 350 } 351 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 352 if (global.drv_priv == NULL) 353 return -1; 354 355 return 0; 356 } 357 358 359 static void hostapd_global_deinit(const char *pid_file) 360 { 361 int i; 362 363 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 364 if (!global.drv_priv[i]) 365 continue; 366 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 367 } 368 os_free(global.drv_priv); 369 global.drv_priv = NULL; 370 371 #ifdef EAP_SERVER_TNC 372 tncs_global_deinit(); 373 #endif /* EAP_SERVER_TNC */ 374 375 random_deinit(); 376 377 eloop_destroy(); 378 379 #ifndef CONFIG_NATIVE_WINDOWS 380 closelog(); 381 #endif /* CONFIG_NATIVE_WINDOWS */ 382 383 eap_server_unregister_methods(); 384 385 os_daemonize_terminate(pid_file); 386 } 387 388 389 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 390 const char *pid_file) 391 { 392 #ifdef EAP_SERVER_TNC 393 int tnc = 0; 394 size_t i, k; 395 396 for (i = 0; !tnc && i < ifaces->count; i++) { 397 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 398 if (ifaces->iface[i]->bss[0]->conf->tnc) { 399 tnc++; 400 break; 401 } 402 } 403 } 404 405 if (tnc && tncs_global_init() < 0) { 406 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 407 return -1; 408 } 409 #endif /* EAP_SERVER_TNC */ 410 411 if (daemonize && os_daemonize(pid_file)) { 412 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 413 return -1; 414 } 415 416 eloop_run(); 417 418 return 0; 419 } 420 421 422 static void show_version(void) 423 { 424 fprintf(stderr, 425 "hostapd v" VERSION_STR "\n" 426 "User space daemon for IEEE 802.11 AP management,\n" 427 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 428 "Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> " 429 "and contributors\n"); 430 } 431 432 433 static void usage(void) 434 { 435 show_version(); 436 fprintf(stderr, 437 "\n" 438 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 439 "\\\n" 440 " [-g <global ctrl_iface>] [-G <group>] \\\n" 441 " <configuration file(s)>\n" 442 "\n" 443 "options:\n" 444 " -h show this usage\n" 445 " -d show more debug messages (-dd for even more)\n" 446 " -B run daemon in the background\n" 447 " -e entropy file\n" 448 " -g global control interface path\n" 449 " -G group for control interfaces\n" 450 " -P PID file\n" 451 " -K include key data in debug messages\n" 452 #ifdef CONFIG_DEBUG_FILE 453 " -f log output to debug file instead of stdout\n" 454 #endif /* CONFIG_DEBUG_FILE */ 455 #ifdef CONFIG_DEBUG_LINUX_TRACING 456 " -T = record to Linux tracing in addition to logging\n" 457 " (records all messages regardless of debug verbosity)\n" 458 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 459 " -t include timestamps in some debug messages\n" 460 " -v show hostapd version\n"); 461 462 exit(1); 463 } 464 465 466 static const char * hostapd_msg_ifname_cb(void *ctx) 467 { 468 struct hostapd_data *hapd = ctx; 469 if (hapd && hapd->iconf && hapd->iconf->bss && 470 hapd->iconf->num_bss > 0 && hapd->iconf->bss[0]) 471 return hapd->iconf->bss[0]->iface; 472 return NULL; 473 } 474 475 476 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 477 const char *path) 478 { 479 char *pos; 480 os_free(interfaces->global_iface_path); 481 interfaces->global_iface_path = os_strdup(path); 482 if (interfaces->global_iface_path == NULL) 483 return -1; 484 pos = os_strrchr(interfaces->global_iface_path, '/'); 485 if (pos == NULL) { 486 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 487 "file"); 488 os_free(interfaces->global_iface_path); 489 interfaces->global_iface_path = NULL; 490 return -1; 491 } 492 493 *pos = '\0'; 494 interfaces->global_iface_name = pos + 1; 495 496 return 0; 497 } 498 499 500 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 501 const char *group) 502 { 503 #ifndef CONFIG_NATIVE_WINDOWS 504 struct group *grp; 505 grp = getgrnam(group); 506 if (grp == NULL) { 507 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 508 return -1; 509 } 510 interfaces->ctrl_iface_group = grp->gr_gid; 511 #endif /* CONFIG_NATIVE_WINDOWS */ 512 return 0; 513 } 514 515 516 #ifdef CONFIG_WPS 517 static int gen_uuid(const char *txt_addr) 518 { 519 u8 addr[ETH_ALEN]; 520 u8 uuid[UUID_LEN]; 521 char buf[100]; 522 523 if (hwaddr_aton(txt_addr, addr) < 0) 524 return -1; 525 526 uuid_gen_mac_addr(addr, uuid); 527 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 528 return -1; 529 530 printf("%s\n", buf); 531 532 return 0; 533 } 534 #endif /* CONFIG_WPS */ 535 536 537 #ifndef HOSTAPD_CLEANUP_INTERVAL 538 #define HOSTAPD_CLEANUP_INTERVAL 10 539 #endif /* HOSTAPD_CLEANUP_INTERVAL */ 540 541 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 542 { 543 hostapd_periodic_iface(iface); 544 return 0; 545 } 546 547 548 /* Periodic cleanup tasks */ 549 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 550 { 551 struct hapd_interfaces *interfaces = eloop_ctx; 552 553 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 554 hostapd_periodic, interfaces, NULL); 555 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 556 } 557 558 559 int main(int argc, char *argv[]) 560 { 561 struct hapd_interfaces interfaces; 562 int ret = 1; 563 size_t i, j; 564 int c, debug = 0, daemonize = 0; 565 char *pid_file = NULL; 566 const char *log_file = NULL; 567 const char *entropy_file = NULL; 568 char **bss_config = NULL, **tmp_bss; 569 size_t num_bss_configs = 0; 570 #ifdef CONFIG_DEBUG_LINUX_TRACING 571 int enable_trace_dbg = 0; 572 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 573 574 if (os_program_init()) 575 return -1; 576 577 os_memset(&interfaces, 0, sizeof(interfaces)); 578 interfaces.reload_config = hostapd_reload_config; 579 interfaces.config_read_cb = hostapd_config_read; 580 interfaces.for_each_interface = hostapd_for_each_interface; 581 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 582 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 583 interfaces.driver_init = hostapd_driver_init; 584 interfaces.global_iface_path = NULL; 585 interfaces.global_iface_name = NULL; 586 interfaces.global_ctrl_sock = -1; 587 interfaces.global_ctrl_dst = NULL; 588 589 for (;;) { 590 c = getopt(argc, argv, "b:Bde:f:hKP:Ttu:vg:G:"); 591 if (c < 0) 592 break; 593 switch (c) { 594 case 'h': 595 usage(); 596 break; 597 case 'd': 598 debug++; 599 if (wpa_debug_level > 0) 600 wpa_debug_level--; 601 break; 602 case 'B': 603 daemonize++; 604 break; 605 case 'e': 606 entropy_file = optarg; 607 break; 608 case 'f': 609 log_file = optarg; 610 break; 611 case 'K': 612 wpa_debug_show_keys++; 613 break; 614 case 'P': 615 os_free(pid_file); 616 pid_file = os_rel2abs_path(optarg); 617 break; 618 case 't': 619 wpa_debug_timestamp++; 620 break; 621 #ifdef CONFIG_DEBUG_LINUX_TRACING 622 case 'T': 623 enable_trace_dbg = 1; 624 break; 625 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 626 case 'v': 627 show_version(); 628 exit(1); 629 break; 630 case 'g': 631 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 632 return -1; 633 break; 634 case 'G': 635 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 636 return -1; 637 break; 638 case 'b': 639 tmp_bss = os_realloc_array(bss_config, 640 num_bss_configs + 1, 641 sizeof(char *)); 642 if (tmp_bss == NULL) 643 goto out; 644 bss_config = tmp_bss; 645 bss_config[num_bss_configs++] = optarg; 646 break; 647 #ifdef CONFIG_WPS 648 case 'u': 649 return gen_uuid(optarg); 650 #endif /* CONFIG_WPS */ 651 default: 652 usage(); 653 break; 654 } 655 } 656 657 if (optind == argc && interfaces.global_iface_path == NULL && 658 num_bss_configs == 0) 659 usage(); 660 661 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 662 663 if (log_file) 664 wpa_debug_open_file(log_file); 665 else 666 wpa_debug_setup_stdout(); 667 #ifdef CONFIG_DEBUG_LINUX_TRACING 668 if (enable_trace_dbg) { 669 int tret = wpa_debug_open_linux_tracing(); 670 if (tret) { 671 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 672 return -1; 673 } 674 } 675 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 676 677 interfaces.count = argc - optind; 678 if (interfaces.count || num_bss_configs) { 679 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 680 sizeof(struct hostapd_iface *)); 681 if (interfaces.iface == NULL) { 682 wpa_printf(MSG_ERROR, "malloc failed"); 683 return -1; 684 } 685 } 686 687 if (hostapd_global_init(&interfaces, entropy_file)) { 688 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 689 return -1; 690 } 691 692 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 693 hostapd_periodic, &interfaces, NULL); 694 695 if (fst_global_init()) { 696 wpa_printf(MSG_ERROR, 697 "Failed to initialize global FST context"); 698 goto out; 699 } 700 701 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 702 if (!fst_global_add_ctrl(fst_ctrl_cli)) 703 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 704 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 705 706 /* Allocate and parse configuration for full interface files */ 707 for (i = 0; i < interfaces.count; i++) { 708 interfaces.iface[i] = hostapd_interface_init(&interfaces, 709 argv[optind + i], 710 debug); 711 if (!interfaces.iface[i]) { 712 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 713 goto out; 714 } 715 } 716 717 /* Allocate and parse configuration for per-BSS files */ 718 for (i = 0; i < num_bss_configs; i++) { 719 struct hostapd_iface *iface; 720 char *fname; 721 722 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 723 fname = os_strchr(bss_config[i], ':'); 724 if (fname == NULL) { 725 wpa_printf(MSG_ERROR, 726 "Invalid BSS config identifier '%s'", 727 bss_config[i]); 728 goto out; 729 } 730 *fname++ = '\0'; 731 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 732 fname, debug); 733 if (iface == NULL) 734 goto out; 735 for (j = 0; j < interfaces.count; j++) { 736 if (interfaces.iface[j] == iface) 737 break; 738 } 739 if (j == interfaces.count) { 740 struct hostapd_iface **tmp; 741 tmp = os_realloc_array(interfaces.iface, 742 interfaces.count + 1, 743 sizeof(struct hostapd_iface *)); 744 if (tmp == NULL) { 745 hostapd_interface_deinit_free(iface); 746 goto out; 747 } 748 interfaces.iface = tmp; 749 interfaces.iface[interfaces.count++] = iface; 750 } 751 } 752 753 /* 754 * Enable configured interfaces. Depending on channel configuration, 755 * this may complete full initialization before returning or use a 756 * callback mechanism to complete setup in case of operations like HT 757 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 758 * In such case, the interface will be enabled from eloop context within 759 * hostapd_global_run(). 760 */ 761 interfaces.terminate_on_error = interfaces.count; 762 for (i = 0; i < interfaces.count; i++) { 763 if (hostapd_driver_init(interfaces.iface[i]) || 764 hostapd_setup_interface(interfaces.iface[i])) 765 goto out; 766 } 767 768 hostapd_global_ctrl_iface_init(&interfaces); 769 770 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 771 wpa_printf(MSG_ERROR, "Failed to start eloop"); 772 goto out; 773 } 774 775 ret = 0; 776 777 out: 778 hostapd_global_ctrl_iface_deinit(&interfaces); 779 /* Deinitialize all interfaces */ 780 for (i = 0; i < interfaces.count; i++) { 781 if (!interfaces.iface[i]) 782 continue; 783 interfaces.iface[i]->driver_ap_teardown = 784 !!(interfaces.iface[i]->drv_flags & 785 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 786 hostapd_interface_deinit_free(interfaces.iface[i]); 787 } 788 os_free(interfaces.iface); 789 790 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 791 hostapd_global_deinit(pid_file); 792 os_free(pid_file); 793 794 if (log_file) 795 wpa_debug_close_file(); 796 wpa_debug_close_linux_tracing(); 797 798 os_free(bss_config); 799 800 fst_global_deinit(); 801 802 os_program_deinit(); 803 804 return ret; 805 } 806