1/* 2 * hostapd / main() 3 * Copyright (c) 2002-2016, 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 33struct hapd_global { 34 void **drv_priv; 35 size_t drv_count; 36}; 37 38static struct hapd_global global; 39 40 41#ifndef CONFIG_NO_HOSTAPD_LOGGER 42static 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 */ 149static 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] = 175 wpa_drivers[i]->global_init(iface->interfaces); 176 if (global.drv_priv[i] == NULL) { 177 wpa_printf(MSG_ERROR, "Failed to initialize " 178 "driver '%s'", 179 wpa_drivers[i]->name); 180 return -1; 181 } 182 } 183 184 params.global_priv = global.drv_priv[i]; 185 break; 186 } 187 params.bssid = b; 188 params.ifname = hapd->conf->iface; 189 params.driver_params = hapd->iconf->driver_params; 190 params.use_pae_group_addr = hapd->conf->use_pae_group_addr; 191 192 params.num_bridge = hapd->iface->num_bss; 193 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); 194 if (params.bridge == NULL) 195 return -1; 196 for (i = 0; i < hapd->iface->num_bss; i++) { 197 struct hostapd_data *bss = hapd->iface->bss[i]; 198 if (bss->conf->bridge[0]) 199 params.bridge[i] = bss->conf->bridge; 200 } 201 202 params.own_addr = hapd->own_addr; 203 204 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); 205 os_free(params.bridge); 206 if (hapd->drv_priv == NULL) { 207 wpa_printf(MSG_ERROR, "%s driver initialization failed.", 208 hapd->driver->name); 209 hapd->driver = NULL; 210 return -1; 211 } 212 213 if (hapd->driver->get_capa && 214 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { 215 struct wowlan_triggers *triggs; 216 217 iface->drv_flags = capa.flags; 218 iface->smps_modes = capa.smps_modes; 219 iface->probe_resp_offloads = capa.probe_resp_offloads; 220 iface->extended_capa = capa.extended_capa; 221 iface->extended_capa_mask = capa.extended_capa_mask; 222 iface->extended_capa_len = capa.extended_capa_len; 223 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 224 225 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 226 if (triggs && hapd->driver->set_wowlan) { 227 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 228 wpa_printf(MSG_ERROR, "set_wowlan failed"); 229 } 230 os_free(triggs); 231 } 232 233 return 0; 234} 235 236 237/** 238 * hostapd_interface_init - Read configuration file and init BSS data 239 * 240 * This function is used to parse configuration file for a full interface (one 241 * or more BSSes sharing the same radio) and allocate memory for the BSS 242 * interfaces. No actiual driver operations are started. 243 */ 244static struct hostapd_iface * 245hostapd_interface_init(struct hapd_interfaces *interfaces, 246 const char *config_fname, int debug) 247{ 248 struct hostapd_iface *iface; 249 int k; 250 251 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 252 iface = hostapd_init(interfaces, config_fname); 253 if (!iface) 254 return NULL; 255 iface->interfaces = interfaces; 256 257 for (k = 0; k < debug; k++) { 258 if (iface->bss[0]->conf->logger_stdout_level > 0) 259 iface->bss[0]->conf->logger_stdout_level--; 260 } 261 262 if (iface->conf->bss[0]->iface[0] == '\0' && 263 !hostapd_drv_none(iface->bss[0])) { 264 wpa_printf(MSG_ERROR, "Interface name not specified in %s", 265 config_fname); 266 hostapd_interface_deinit_free(iface); 267 return NULL; 268 } 269 270 return iface; 271} 272 273 274/** 275 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 276 */ 277static void handle_term(int sig, void *signal_ctx) 278{ 279 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 280 eloop_terminate(); 281} 282 283 284#ifndef CONFIG_NATIVE_WINDOWS 285 286static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 287{ 288 if (hostapd_reload_config(iface) < 0) { 289 wpa_printf(MSG_WARNING, "Failed to read new configuration " 290 "file - continuing with old."); 291 } 292 return 0; 293} 294 295 296/** 297 * handle_reload - SIGHUP handler to reload configuration 298 */ 299static void handle_reload(int sig, void *signal_ctx) 300{ 301 struct hapd_interfaces *interfaces = signal_ctx; 302 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 303 sig); 304 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 305} 306 307 308static void handle_dump_state(int sig, void *signal_ctx) 309{ 310 /* Not used anymore - ignore signal */ 311} 312#endif /* CONFIG_NATIVE_WINDOWS */ 313 314 315static int hostapd_global_init(struct hapd_interfaces *interfaces, 316 const char *entropy_file) 317{ 318 int i; 319 320 os_memset(&global, 0, sizeof(global)); 321 322 hostapd_logger_register_cb(hostapd_logger_cb); 323 324 if (eap_server_register_methods()) { 325 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 326 return -1; 327 } 328 329 if (eloop_init()) { 330 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 331 return -1; 332 } 333 334 random_init(entropy_file); 335 336#ifndef CONFIG_NATIVE_WINDOWS 337 eloop_register_signal(SIGHUP, handle_reload, interfaces); 338 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 339#endif /* CONFIG_NATIVE_WINDOWS */ 340 eloop_register_signal_terminate(handle_term, interfaces); 341 342#ifndef CONFIG_NATIVE_WINDOWS 343 openlog("hostapd", 0, LOG_DAEMON); 344#endif /* CONFIG_NATIVE_WINDOWS */ 345 346 for (i = 0; wpa_drivers[i]; i++) 347 global.drv_count++; 348 if (global.drv_count == 0) { 349 wpa_printf(MSG_ERROR, "No drivers enabled"); 350 return -1; 351 } 352 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 353 if (global.drv_priv == NULL) 354 return -1; 355 356 return 0; 357} 358 359 360static void hostapd_global_deinit(const char *pid_file) 361{ 362 int i; 363 364 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 365 if (!global.drv_priv[i]) 366 continue; 367 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 368 } 369 os_free(global.drv_priv); 370 global.drv_priv = NULL; 371 372#ifdef EAP_SERVER_TNC 373 tncs_global_deinit(); 374#endif /* EAP_SERVER_TNC */ 375 376 random_deinit(); 377 378 eloop_destroy(); 379 380#ifndef CONFIG_NATIVE_WINDOWS 381 closelog(); 382#endif /* CONFIG_NATIVE_WINDOWS */ 383 384 eap_server_unregister_methods(); 385 386 os_daemonize_terminate(pid_file); 387} 388 389 390static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 391 const char *pid_file) 392{ 393#ifdef EAP_SERVER_TNC 394 int tnc = 0; 395 size_t i, k; 396 397 for (i = 0; !tnc && i < ifaces->count; i++) { 398 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 399 if (ifaces->iface[i]->bss[0]->conf->tnc) { 400 tnc++; 401 break; 402 } 403 } 404 } 405 406 if (tnc && tncs_global_init() < 0) { 407 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 408 return -1; 409 } 410#endif /* EAP_SERVER_TNC */ 411 412 if (daemonize) { 413 if (os_daemonize(pid_file)) { 414 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 415 return -1; 416 } 417 if (eloop_sock_requeue()) { 418 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", 419 strerror(errno)); 420 return -1; 421 } 422 } 423 424 eloop_run(); 425 426 return 0; 427} 428 429 430static void show_version(void) 431{ 432 fprintf(stderr, 433 "hostapd v" VERSION_STR "\n" 434 "User space daemon for IEEE 802.11 AP management,\n" 435 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 436 "Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> " 437 "and contributors\n"); 438} 439 440 441static void usage(void) 442{ 443 show_version(); 444 fprintf(stderr, 445 "\n" 446 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 447 "\\\n" 448 " [-g <global ctrl_iface>] [-G <group>] \\\n" 449 " <configuration file(s)>\n" 450 "\n" 451 "options:\n" 452 " -h show this usage\n" 453 " -d show more debug messages (-dd for even more)\n" 454 " -B run daemon in the background\n" 455 " -e entropy file\n" 456 " -g global control interface path\n" 457 " -G group for control interfaces\n" 458 " -P PID file\n" 459 " -K include key data in debug messages\n" 460#ifdef CONFIG_DEBUG_FILE 461 " -f log output to debug file instead of stdout\n" 462#endif /* CONFIG_DEBUG_FILE */ 463#ifdef CONFIG_DEBUG_LINUX_TRACING 464 " -T = record to Linux tracing in addition to logging\n" 465 " (records all messages regardless of debug verbosity)\n" 466#endif /* CONFIG_DEBUG_LINUX_TRACING */ 467 " -S start all the interfaces synchronously\n" 468 " -t include timestamps in some debug messages\n" 469 " -v show hostapd version\n"); 470 471 exit(1); 472} 473 474 475static const char * hostapd_msg_ifname_cb(void *ctx) 476{ 477 struct hostapd_data *hapd = ctx; 478 if (hapd && hapd->conf) 479 return hapd->conf->iface; 480 return NULL; 481} 482 483 484static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 485 const char *path) 486{ 487#ifndef CONFIG_CTRL_IFACE_UDP 488 char *pos; 489#endif /* !CONFIG_CTRL_IFACE_UDP */ 490 491 os_free(interfaces->global_iface_path); 492 interfaces->global_iface_path = os_strdup(path); 493 if (interfaces->global_iface_path == NULL) 494 return -1; 495 496#ifndef CONFIG_CTRL_IFACE_UDP 497 pos = os_strrchr(interfaces->global_iface_path, '/'); 498 if (pos == NULL) { 499 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 500 "file"); 501 os_free(interfaces->global_iface_path); 502 interfaces->global_iface_path = NULL; 503 return -1; 504 } 505 506 *pos = '\0'; 507 interfaces->global_iface_name = pos + 1; 508#endif /* !CONFIG_CTRL_IFACE_UDP */ 509 510 return 0; 511} 512 513 514static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 515 const char *group) 516{ 517#ifndef CONFIG_NATIVE_WINDOWS 518 struct group *grp; 519 grp = getgrnam(group); 520 if (grp == NULL) { 521 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 522 return -1; 523 } 524 interfaces->ctrl_iface_group = grp->gr_gid; 525#endif /* CONFIG_NATIVE_WINDOWS */ 526 return 0; 527} 528 529 530#ifdef CONFIG_WPS 531static int gen_uuid(const char *txt_addr) 532{ 533 u8 addr[ETH_ALEN]; 534 u8 uuid[UUID_LEN]; 535 char buf[100]; 536 537 if (hwaddr_aton(txt_addr, addr) < 0) 538 return -1; 539 540 uuid_gen_mac_addr(addr, uuid); 541 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 542 return -1; 543 544 printf("%s\n", buf); 545 546 return 0; 547} 548#endif /* CONFIG_WPS */ 549 550 551#ifndef HOSTAPD_CLEANUP_INTERVAL 552#define HOSTAPD_CLEANUP_INTERVAL 10 553#endif /* HOSTAPD_CLEANUP_INTERVAL */ 554 555static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 556{ 557 hostapd_periodic_iface(iface); 558 return 0; 559} 560 561 562/* Periodic cleanup tasks */ 563static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 564{ 565 struct hapd_interfaces *interfaces = eloop_ctx; 566 567 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 568 hostapd_periodic, interfaces, NULL); 569 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 570} 571 572 573int main(int argc, char *argv[]) 574{ 575 struct hapd_interfaces interfaces; 576 int ret = 1; 577 size_t i, j; 578 int c, debug = 0, daemonize = 0; 579 char *pid_file = NULL; 580 const char *log_file = NULL; 581 const char *entropy_file = NULL; 582 char **bss_config = NULL, **tmp_bss; 583 size_t num_bss_configs = 0; 584#ifdef CONFIG_DEBUG_LINUX_TRACING 585 int enable_trace_dbg = 0; 586#endif /* CONFIG_DEBUG_LINUX_TRACING */ 587 int start_ifaces_in_sync = 0; 588 589 if (os_program_init()) 590 return -1; 591 592 os_memset(&interfaces, 0, sizeof(interfaces)); 593 interfaces.reload_config = hostapd_reload_config; 594 interfaces.config_read_cb = hostapd_config_read; 595 interfaces.for_each_interface = hostapd_for_each_interface; 596 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 597 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 598 interfaces.driver_init = hostapd_driver_init; 599 interfaces.global_iface_path = NULL; 600 interfaces.global_iface_name = NULL; 601 interfaces.global_ctrl_sock = -1; 602 dl_list_init(&interfaces.global_ctrl_dst); 603 604 for (;;) { 605 c = getopt(argc, argv, "b:Bde:f:hKP:STtu:vg:G:"); 606 if (c < 0) 607 break; 608 switch (c) { 609 case 'h': 610 usage(); 611 break; 612 case 'd': 613 debug++; 614 if (wpa_debug_level > 0) 615 wpa_debug_level--; 616 break; 617 case 'B': 618 daemonize++; 619 break; 620 case 'e': 621 entropy_file = optarg; 622 break; 623 case 'f': 624 log_file = optarg; 625 break; 626 case 'K': 627 wpa_debug_show_keys++; 628 break; 629 case 'P': 630 os_free(pid_file); 631 pid_file = os_rel2abs_path(optarg); 632 break; 633 case 't': 634 wpa_debug_timestamp++; 635 break; 636#ifdef CONFIG_DEBUG_LINUX_TRACING 637 case 'T': 638 enable_trace_dbg = 1; 639 break; 640#endif /* CONFIG_DEBUG_LINUX_TRACING */ 641 case 'v': 642 show_version(); 643 exit(1); 644 break; 645 case 'g': 646 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 647 return -1; 648 break; 649 case 'G': 650 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 651 return -1; 652 break; 653 case 'b': 654 tmp_bss = os_realloc_array(bss_config, 655 num_bss_configs + 1, 656 sizeof(char *)); 657 if (tmp_bss == NULL) 658 goto out; 659 bss_config = tmp_bss; 660 bss_config[num_bss_configs++] = optarg; 661 break; 662 case 'S': 663 start_ifaces_in_sync = 1; 664 break; 665#ifdef CONFIG_WPS 666 case 'u': 667 return gen_uuid(optarg); 668#endif /* CONFIG_WPS */ 669 default: 670 usage(); 671 break; 672 } 673 } 674 675 if (optind == argc && interfaces.global_iface_path == NULL && 676 num_bss_configs == 0) 677 usage(); 678 679 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 680 681 if (log_file) 682 wpa_debug_open_file(log_file); 683 else 684 wpa_debug_setup_stdout(); 685#ifdef CONFIG_DEBUG_LINUX_TRACING 686 if (enable_trace_dbg) { 687 int tret = wpa_debug_open_linux_tracing(); 688 if (tret) { 689 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 690 return -1; 691 } 692 } 693#endif /* CONFIG_DEBUG_LINUX_TRACING */ 694 695 interfaces.count = argc - optind; 696 if (interfaces.count || num_bss_configs) { 697 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 698 sizeof(struct hostapd_iface *)); 699 if (interfaces.iface == NULL) { 700 wpa_printf(MSG_ERROR, "malloc failed"); 701 return -1; 702 } 703 } 704 705 if (hostapd_global_init(&interfaces, entropy_file)) { 706 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 707 return -1; 708 } 709 710 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 711 hostapd_periodic, &interfaces, NULL); 712 713 if (fst_global_init()) { 714 wpa_printf(MSG_ERROR, 715 "Failed to initialize global FST context"); 716 goto out; 717 } 718 719#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 720 if (!fst_global_add_ctrl(fst_ctrl_cli)) 721 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 722#endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 723 724 /* Allocate and parse configuration for full interface files */ 725 for (i = 0; i < interfaces.count; i++) { 726 interfaces.iface[i] = hostapd_interface_init(&interfaces, 727 argv[optind + i], 728 debug); 729 if (!interfaces.iface[i]) { 730 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 731 goto out; 732 } 733 if (start_ifaces_in_sync) 734 interfaces.iface[i]->need_to_start_in_sync = 1; 735 } 736 737 /* Allocate and parse configuration for per-BSS files */ 738 for (i = 0; i < num_bss_configs; i++) { 739 struct hostapd_iface *iface; 740 char *fname; 741 742 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 743 fname = os_strchr(bss_config[i], ':'); 744 if (fname == NULL) { 745 wpa_printf(MSG_ERROR, 746 "Invalid BSS config identifier '%s'", 747 bss_config[i]); 748 goto out; 749 } 750 *fname++ = '\0'; 751 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 752 fname, debug); 753 if (iface == NULL) 754 goto out; 755 for (j = 0; j < interfaces.count; j++) { 756 if (interfaces.iface[j] == iface) 757 break; 758 } 759 if (j == interfaces.count) { 760 struct hostapd_iface **tmp; 761 tmp = os_realloc_array(interfaces.iface, 762 interfaces.count + 1, 763 sizeof(struct hostapd_iface *)); 764 if (tmp == NULL) { 765 hostapd_interface_deinit_free(iface); 766 goto out; 767 } 768 interfaces.iface = tmp; 769 interfaces.iface[interfaces.count++] = iface; 770 } 771 } 772 773 /* 774 * Enable configured interfaces. Depending on channel configuration, 775 * this may complete full initialization before returning or use a 776 * callback mechanism to complete setup in case of operations like HT 777 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 778 * In such case, the interface will be enabled from eloop context within 779 * hostapd_global_run(). 780 */ 781 interfaces.terminate_on_error = interfaces.count; 782 for (i = 0; i < interfaces.count; i++) { 783 if (hostapd_driver_init(interfaces.iface[i]) || 784 hostapd_setup_interface(interfaces.iface[i])) 785 goto out; 786 } 787 788 hostapd_global_ctrl_iface_init(&interfaces); 789 790 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 791 wpa_printf(MSG_ERROR, "Failed to start eloop"); 792 goto out; 793 } 794 795 ret = 0; 796 797 out: 798 hostapd_global_ctrl_iface_deinit(&interfaces); 799 /* Deinitialize all interfaces */ 800 for (i = 0; i < interfaces.count; i++) { 801 if (!interfaces.iface[i]) 802 continue; 803 interfaces.iface[i]->driver_ap_teardown = 804 !!(interfaces.iface[i]->drv_flags & 805 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 806 hostapd_interface_deinit_free(interfaces.iface[i]); 807 } 808 os_free(interfaces.iface); 809 810 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 811 hostapd_global_deinit(pid_file); 812 os_free(pid_file); 813 814 if (log_file) 815 wpa_debug_close_file(); 816 wpa_debug_close_linux_tracing(); 817 818 os_free(bss_config); 819 820 fst_global_deinit(); 821 822 os_program_deinit(); 823 824 return ret; 825} 826