1 /* 2 * hostapd / main() 3 * Copyright (c) 2002-2018, 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 "ap/dpp_hostapd.h" 28 #include "fst/fst.h" 29 #include "config_file.h" 30 #include "eap_register.h" 31 #include "ctrl_iface.h" 32 33 34 struct hapd_global { 35 void **drv_priv; 36 size_t drv_count; 37 }; 38 39 static struct hapd_global global; 40 41 42 #ifndef CONFIG_NO_HOSTAPD_LOGGER 43 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, 44 int level, const char *txt, size_t len) 45 { 46 struct hostapd_data *hapd = ctx; 47 char *format, *module_str; 48 int maxlen; 49 int conf_syslog_level, conf_stdout_level; 50 unsigned int conf_syslog, conf_stdout; 51 52 maxlen = len + 100; 53 format = os_malloc(maxlen); 54 if (!format) 55 return; 56 57 if (hapd && hapd->conf) { 58 conf_syslog_level = hapd->conf->logger_syslog_level; 59 conf_stdout_level = hapd->conf->logger_stdout_level; 60 conf_syslog = hapd->conf->logger_syslog; 61 conf_stdout = hapd->conf->logger_stdout; 62 } else { 63 conf_syslog_level = conf_stdout_level = 0; 64 conf_syslog = conf_stdout = (unsigned int) -1; 65 } 66 67 switch (module) { 68 case HOSTAPD_MODULE_IEEE80211: 69 module_str = "IEEE 802.11"; 70 break; 71 case HOSTAPD_MODULE_IEEE8021X: 72 module_str = "IEEE 802.1X"; 73 break; 74 case HOSTAPD_MODULE_RADIUS: 75 module_str = "RADIUS"; 76 break; 77 case HOSTAPD_MODULE_WPA: 78 module_str = "WPA"; 79 break; 80 case HOSTAPD_MODULE_DRIVER: 81 module_str = "DRIVER"; 82 break; 83 case HOSTAPD_MODULE_IAPP: 84 module_str = "IAPP"; 85 break; 86 case HOSTAPD_MODULE_MLME: 87 module_str = "MLME"; 88 break; 89 default: 90 module_str = NULL; 91 break; 92 } 93 94 if (hapd && hapd->conf && addr) 95 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", 96 hapd->conf->iface, MAC2STR(addr), 97 module_str ? " " : "", module_str ? module_str : "", 98 txt); 99 else if (hapd && hapd->conf) 100 os_snprintf(format, maxlen, "%s:%s%s %s", 101 hapd->conf->iface, module_str ? " " : "", 102 module_str ? module_str : "", txt); 103 else if (addr) 104 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", 105 MAC2STR(addr), module_str ? " " : "", 106 module_str ? module_str : "", txt); 107 else 108 os_snprintf(format, maxlen, "%s%s%s", 109 module_str ? module_str : "", 110 module_str ? ": " : "", txt); 111 112 #ifdef CONFIG_DEBUG_SYSLOG 113 if (wpa_debug_syslog) 114 conf_stdout = 0; 115 #endif /* CONFIG_DEBUG_SYSLOG */ 116 if ((conf_stdout & module) && level >= conf_stdout_level) { 117 wpa_debug_print_timestamp(); 118 wpa_printf(MSG_INFO, "%s", format); 119 } 120 121 #ifndef CONFIG_NATIVE_WINDOWS 122 if ((conf_syslog & module) && level >= conf_syslog_level) { 123 int priority; 124 switch (level) { 125 case HOSTAPD_LEVEL_DEBUG_VERBOSE: 126 case HOSTAPD_LEVEL_DEBUG: 127 priority = LOG_DEBUG; 128 break; 129 case HOSTAPD_LEVEL_INFO: 130 priority = LOG_INFO; 131 break; 132 case HOSTAPD_LEVEL_NOTICE: 133 priority = LOG_NOTICE; 134 break; 135 case HOSTAPD_LEVEL_WARNING: 136 priority = LOG_WARNING; 137 break; 138 default: 139 priority = LOG_INFO; 140 break; 141 } 142 syslog(priority, "%s", format); 143 } 144 #endif /* CONFIG_NATIVE_WINDOWS */ 145 146 os_free(format); 147 } 148 #endif /* CONFIG_NO_HOSTAPD_LOGGER */ 149 150 151 /** 152 * hostapd_driver_init - Preparate driver interface 153 */ 154 static int hostapd_driver_init(struct hostapd_iface *iface) 155 { 156 struct wpa_init_params params; 157 size_t i; 158 struct hostapd_data *hapd = iface->bss[0]; 159 struct hostapd_bss_config *conf = hapd->conf; 160 u8 *b = conf->bssid; 161 struct wpa_driver_capa capa; 162 163 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { 164 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); 165 return -1; 166 } 167 168 /* Initialize the driver interface */ 169 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) 170 b = NULL; 171 172 os_memset(¶ms, 0, sizeof(params)); 173 for (i = 0; wpa_drivers[i]; i++) { 174 if (wpa_drivers[i] != hapd->driver) 175 continue; 176 177 if (global.drv_priv[i] == NULL && 178 wpa_drivers[i]->global_init) { 179 global.drv_priv[i] = 180 wpa_drivers[i]->global_init(iface->interfaces); 181 if (global.drv_priv[i] == NULL) { 182 wpa_printf(MSG_ERROR, "Failed to initialize " 183 "driver '%s'", 184 wpa_drivers[i]->name); 185 return -1; 186 } 187 } 188 189 params.global_priv = global.drv_priv[i]; 190 break; 191 } 192 params.bssid = b; 193 params.ifname = hapd->conf->iface; 194 params.driver_params = hapd->iconf->driver_params; 195 params.use_pae_group_addr = hapd->conf->use_pae_group_addr; 196 197 params.num_bridge = hapd->iface->num_bss; 198 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); 199 if (params.bridge == NULL) 200 return -1; 201 for (i = 0; i < hapd->iface->num_bss; i++) { 202 struct hostapd_data *bss = hapd->iface->bss[i]; 203 if (bss->conf->bridge[0]) 204 params.bridge[i] = bss->conf->bridge; 205 } 206 207 params.own_addr = hapd->own_addr; 208 209 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); 210 os_free(params.bridge); 211 if (hapd->drv_priv == NULL) { 212 wpa_printf(MSG_ERROR, "%s driver initialization failed.", 213 hapd->driver->name); 214 hapd->driver = NULL; 215 return -1; 216 } 217 218 if (hapd->driver->get_capa && 219 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { 220 struct wowlan_triggers *triggs; 221 222 iface->drv_flags = capa.flags; 223 iface->smps_modes = capa.smps_modes; 224 iface->probe_resp_offloads = capa.probe_resp_offloads; 225 /* 226 * Use default extended capa values from per-radio information 227 */ 228 iface->extended_capa = capa.extended_capa; 229 iface->extended_capa_mask = capa.extended_capa_mask; 230 iface->extended_capa_len = capa.extended_capa_len; 231 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 232 233 /* 234 * Override extended capa with per-interface type (AP), if 235 * available from the driver. 236 */ 237 hostapd_get_ext_capa(iface); 238 239 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 240 if (triggs && hapd->driver->set_wowlan) { 241 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 242 wpa_printf(MSG_ERROR, "set_wowlan failed"); 243 } 244 os_free(triggs); 245 } 246 247 return 0; 248 } 249 250 251 /** 252 * hostapd_interface_init - Read configuration file and init BSS data 253 * 254 * This function is used to parse configuration file for a full interface (one 255 * or more BSSes sharing the same radio) and allocate memory for the BSS 256 * interfaces. No actual driver operations are started. 257 */ 258 static struct hostapd_iface * 259 hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, 260 const char *config_fname, int debug) 261 { 262 struct hostapd_iface *iface; 263 int k; 264 265 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 266 iface = hostapd_init(interfaces, config_fname); 267 if (!iface) 268 return NULL; 269 270 if (if_name) { 271 os_strlcpy(iface->conf->bss[0]->iface, if_name, 272 sizeof(iface->conf->bss[0]->iface)); 273 } 274 275 iface->interfaces = interfaces; 276 277 for (k = 0; k < debug; k++) { 278 if (iface->bss[0]->conf->logger_stdout_level > 0) 279 iface->bss[0]->conf->logger_stdout_level--; 280 } 281 282 if (iface->conf->bss[0]->iface[0] == '\0' && 283 !hostapd_drv_none(iface->bss[0])) { 284 wpa_printf(MSG_ERROR, 285 "Interface name not specified in %s, nor by '-i' parameter", 286 config_fname); 287 hostapd_interface_deinit_free(iface); 288 return NULL; 289 } 290 291 return iface; 292 } 293 294 295 /** 296 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 297 */ 298 static void handle_term(int sig, void *signal_ctx) 299 { 300 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 301 eloop_terminate(); 302 } 303 304 305 #ifndef CONFIG_NATIVE_WINDOWS 306 307 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 308 { 309 if (hostapd_reload_config(iface) < 0) { 310 wpa_printf(MSG_WARNING, "Failed to read new configuration " 311 "file - continuing with old."); 312 } 313 return 0; 314 } 315 316 317 /** 318 * handle_reload - SIGHUP handler to reload configuration 319 */ 320 static void handle_reload(int sig, void *signal_ctx) 321 { 322 struct hapd_interfaces *interfaces = signal_ctx; 323 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 324 sig); 325 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 326 } 327 328 329 static void handle_dump_state(int sig, void *signal_ctx) 330 { 331 /* Not used anymore - ignore signal */ 332 } 333 #endif /* CONFIG_NATIVE_WINDOWS */ 334 335 336 static int hostapd_global_init(struct hapd_interfaces *interfaces, 337 const char *entropy_file) 338 { 339 int i; 340 341 os_memset(&global, 0, sizeof(global)); 342 343 hostapd_logger_register_cb(hostapd_logger_cb); 344 345 if (eap_server_register_methods()) { 346 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 347 return -1; 348 } 349 350 if (eloop_init()) { 351 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 352 return -1; 353 } 354 interfaces->eloop_initialized = 1; 355 356 random_init(entropy_file); 357 358 #ifndef CONFIG_NATIVE_WINDOWS 359 eloop_register_signal(SIGHUP, handle_reload, interfaces); 360 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 361 #endif /* CONFIG_NATIVE_WINDOWS */ 362 eloop_register_signal_terminate(handle_term, interfaces); 363 364 #ifndef CONFIG_NATIVE_WINDOWS 365 openlog("hostapd", 0, LOG_DAEMON); 366 #endif /* CONFIG_NATIVE_WINDOWS */ 367 368 for (i = 0; wpa_drivers[i]; i++) 369 global.drv_count++; 370 if (global.drv_count == 0) { 371 wpa_printf(MSG_ERROR, "No drivers enabled"); 372 return -1; 373 } 374 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 375 if (global.drv_priv == NULL) 376 return -1; 377 378 return 0; 379 } 380 381 382 static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) 383 { 384 int i; 385 386 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 387 if (!global.drv_priv[i]) 388 continue; 389 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 390 } 391 os_free(global.drv_priv); 392 global.drv_priv = NULL; 393 394 #ifdef EAP_SERVER_TNC 395 tncs_global_deinit(); 396 #endif /* EAP_SERVER_TNC */ 397 398 random_deinit(); 399 400 if (eloop_initialized) 401 eloop_destroy(); 402 403 #ifndef CONFIG_NATIVE_WINDOWS 404 closelog(); 405 #endif /* CONFIG_NATIVE_WINDOWS */ 406 407 eap_server_unregister_methods(); 408 409 os_daemonize_terminate(pid_file); 410 } 411 412 413 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 414 const char *pid_file) 415 { 416 #ifdef EAP_SERVER_TNC 417 int tnc = 0; 418 size_t i, k; 419 420 for (i = 0; !tnc && i < ifaces->count; i++) { 421 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 422 if (ifaces->iface[i]->bss[0]->conf->tnc) { 423 tnc++; 424 break; 425 } 426 } 427 } 428 429 if (tnc && tncs_global_init() < 0) { 430 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 431 return -1; 432 } 433 #endif /* EAP_SERVER_TNC */ 434 435 if (daemonize) { 436 if (os_daemonize(pid_file)) { 437 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 438 return -1; 439 } 440 if (eloop_sock_requeue()) { 441 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", 442 strerror(errno)); 443 return -1; 444 } 445 } 446 447 eloop_run(); 448 449 return 0; 450 } 451 452 453 static void show_version(void) 454 { 455 fprintf(stderr, 456 "hostapd v" VERSION_STR "\n" 457 "User space daemon for IEEE 802.11 AP management,\n" 458 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 459 "Copyright (c) 2002-2018, Jouni Malinen <j@w1.fi> " 460 "and contributors\n"); 461 } 462 463 464 static void usage(void) 465 { 466 show_version(); 467 fprintf(stderr, 468 "\n" 469 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 470 "\\\n" 471 " [-g <global ctrl_iface>] [-G <group>]\\\n" 472 " [-i <comma-separated list of interface names>]\\\n" 473 " <configuration file(s)>\n" 474 "\n" 475 "options:\n" 476 " -h show this usage\n" 477 " -d show more debug messages (-dd for even more)\n" 478 " -B run daemon in the background\n" 479 " -e entropy file\n" 480 " -g global control interface path\n" 481 " -G group for control interfaces\n" 482 " -P PID file\n" 483 " -K include key data in debug messages\n" 484 #ifdef CONFIG_DEBUG_FILE 485 " -f log output to debug file instead of stdout\n" 486 #endif /* CONFIG_DEBUG_FILE */ 487 #ifdef CONFIG_DEBUG_LINUX_TRACING 488 " -T record to Linux tracing in addition to logging\n" 489 " (records all messages regardless of debug verbosity)\n" 490 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 491 " -i list of interface names to use\n" 492 #ifdef CONFIG_DEBUG_SYSLOG 493 " -s log output to syslog instead of stdout\n" 494 #endif /* CONFIG_DEBUG_SYSLOG */ 495 " -S start all the interfaces synchronously\n" 496 " -t include timestamps in some debug messages\n" 497 " -v show hostapd version\n"); 498 499 exit(1); 500 } 501 502 503 static const char * hostapd_msg_ifname_cb(void *ctx) 504 { 505 struct hostapd_data *hapd = ctx; 506 if (hapd && hapd->conf) 507 return hapd->conf->iface; 508 return NULL; 509 } 510 511 512 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 513 const char *path) 514 { 515 #ifndef CONFIG_CTRL_IFACE_UDP 516 char *pos; 517 #endif /* !CONFIG_CTRL_IFACE_UDP */ 518 519 os_free(interfaces->global_iface_path); 520 interfaces->global_iface_path = os_strdup(path); 521 if (interfaces->global_iface_path == NULL) 522 return -1; 523 524 #ifndef CONFIG_CTRL_IFACE_UDP 525 pos = os_strrchr(interfaces->global_iface_path, '/'); 526 if (pos == NULL) { 527 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 528 "file"); 529 os_free(interfaces->global_iface_path); 530 interfaces->global_iface_path = NULL; 531 return -1; 532 } 533 534 *pos = '\0'; 535 interfaces->global_iface_name = pos + 1; 536 #endif /* !CONFIG_CTRL_IFACE_UDP */ 537 538 return 0; 539 } 540 541 542 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 543 const char *group) 544 { 545 #ifndef CONFIG_NATIVE_WINDOWS 546 struct group *grp; 547 grp = getgrnam(group); 548 if (grp == NULL) { 549 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 550 return -1; 551 } 552 interfaces->ctrl_iface_group = grp->gr_gid; 553 #endif /* CONFIG_NATIVE_WINDOWS */ 554 return 0; 555 } 556 557 558 static int hostapd_get_interface_names(char ***if_names, 559 size_t *if_names_size, 560 char *arg) 561 { 562 char *if_name, *tmp, **nnames; 563 size_t i; 564 565 if (!arg) 566 return -1; 567 if_name = strtok_r(arg, ",", &tmp); 568 569 while (if_name) { 570 nnames = os_realloc_array(*if_names, 1 + *if_names_size, 571 sizeof(char *)); 572 if (!nnames) 573 goto fail; 574 *if_names = nnames; 575 576 (*if_names)[*if_names_size] = os_strdup(if_name); 577 if (!(*if_names)[*if_names_size]) 578 goto fail; 579 (*if_names_size)++; 580 if_name = strtok_r(NULL, ",", &tmp); 581 } 582 583 return 0; 584 585 fail: 586 for (i = 0; i < *if_names_size; i++) 587 os_free((*if_names)[i]); 588 os_free(*if_names); 589 *if_names = NULL; 590 *if_names_size = 0; 591 return -1; 592 } 593 594 595 #ifdef CONFIG_WPS 596 static int gen_uuid(const char *txt_addr) 597 { 598 u8 addr[ETH_ALEN]; 599 u8 uuid[UUID_LEN]; 600 char buf[100]; 601 602 if (hwaddr_aton(txt_addr, addr) < 0) 603 return -1; 604 605 uuid_gen_mac_addr(addr, uuid); 606 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 607 return -1; 608 609 printf("%s\n", buf); 610 611 return 0; 612 } 613 #endif /* CONFIG_WPS */ 614 615 616 #ifndef HOSTAPD_CLEANUP_INTERVAL 617 #define HOSTAPD_CLEANUP_INTERVAL 10 618 #endif /* HOSTAPD_CLEANUP_INTERVAL */ 619 620 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 621 { 622 hostapd_periodic_iface(iface); 623 return 0; 624 } 625 626 627 /* Periodic cleanup tasks */ 628 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 629 { 630 struct hapd_interfaces *interfaces = eloop_ctx; 631 632 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 633 hostapd_periodic, interfaces, NULL); 634 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 635 } 636 637 638 int main(int argc, char *argv[]) 639 { 640 struct hapd_interfaces interfaces; 641 int ret = 1; 642 size_t i, j; 643 int c, debug = 0, daemonize = 0; 644 char *pid_file = NULL; 645 const char *log_file = NULL; 646 const char *entropy_file = NULL; 647 char **bss_config = NULL, **tmp_bss; 648 size_t num_bss_configs = 0; 649 #ifdef CONFIG_DEBUG_LINUX_TRACING 650 int enable_trace_dbg = 0; 651 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 652 int start_ifaces_in_sync = 0; 653 char **if_names = NULL; 654 size_t if_names_size = 0; 655 656 if (os_program_init()) 657 return -1; 658 659 os_memset(&interfaces, 0, sizeof(interfaces)); 660 interfaces.reload_config = hostapd_reload_config; 661 interfaces.config_read_cb = hostapd_config_read; 662 interfaces.for_each_interface = hostapd_for_each_interface; 663 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 664 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 665 interfaces.driver_init = hostapd_driver_init; 666 interfaces.global_iface_path = NULL; 667 interfaces.global_iface_name = NULL; 668 interfaces.global_ctrl_sock = -1; 669 dl_list_init(&interfaces.global_ctrl_dst); 670 #ifdef CONFIG_ETH_P_OUI 671 dl_list_init(&interfaces.eth_p_oui); 672 #endif /* CONFIG_ETH_P_OUI */ 673 #ifdef CONFIG_DPP 674 hostapd_dpp_init_global(&interfaces); 675 #endif /* CONFIG_DPP */ 676 677 for (;;) { 678 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:"); 679 if (c < 0) 680 break; 681 switch (c) { 682 case 'h': 683 usage(); 684 break; 685 case 'd': 686 debug++; 687 if (wpa_debug_level > 0) 688 wpa_debug_level--; 689 break; 690 case 'B': 691 daemonize++; 692 break; 693 case 'e': 694 entropy_file = optarg; 695 break; 696 case 'f': 697 log_file = optarg; 698 break; 699 case 'K': 700 wpa_debug_show_keys++; 701 break; 702 case 'P': 703 os_free(pid_file); 704 pid_file = os_rel2abs_path(optarg); 705 break; 706 case 't': 707 wpa_debug_timestamp++; 708 break; 709 #ifdef CONFIG_DEBUG_LINUX_TRACING 710 case 'T': 711 enable_trace_dbg = 1; 712 break; 713 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 714 case 'v': 715 show_version(); 716 exit(1); 717 break; 718 case 'g': 719 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 720 return -1; 721 break; 722 case 'G': 723 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 724 return -1; 725 break; 726 case 'b': 727 tmp_bss = os_realloc_array(bss_config, 728 num_bss_configs + 1, 729 sizeof(char *)); 730 if (tmp_bss == NULL) 731 goto out; 732 bss_config = tmp_bss; 733 bss_config[num_bss_configs++] = optarg; 734 break; 735 #ifdef CONFIG_DEBUG_SYSLOG 736 case 's': 737 wpa_debug_syslog = 1; 738 break; 739 #endif /* CONFIG_DEBUG_SYSLOG */ 740 case 'S': 741 start_ifaces_in_sync = 1; 742 break; 743 #ifdef CONFIG_WPS 744 case 'u': 745 return gen_uuid(optarg); 746 #endif /* CONFIG_WPS */ 747 case 'i': 748 if (hostapd_get_interface_names(&if_names, 749 &if_names_size, optarg)) 750 goto out; 751 break; 752 default: 753 usage(); 754 break; 755 } 756 } 757 758 if (optind == argc && interfaces.global_iface_path == NULL && 759 num_bss_configs == 0) 760 usage(); 761 762 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 763 764 if (log_file) 765 wpa_debug_open_file(log_file); 766 else 767 wpa_debug_setup_stdout(); 768 #ifdef CONFIG_DEBUG_SYSLOG 769 if (wpa_debug_syslog) 770 wpa_debug_open_syslog(); 771 #endif /* CONFIG_DEBUG_SYSLOG */ 772 #ifdef CONFIG_DEBUG_LINUX_TRACING 773 if (enable_trace_dbg) { 774 int tret = wpa_debug_open_linux_tracing(); 775 if (tret) { 776 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 777 return -1; 778 } 779 } 780 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 781 782 interfaces.count = argc - optind; 783 if (interfaces.count || num_bss_configs) { 784 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 785 sizeof(struct hostapd_iface *)); 786 if (interfaces.iface == NULL) { 787 wpa_printf(MSG_ERROR, "malloc failed"); 788 return -1; 789 } 790 } 791 792 if (hostapd_global_init(&interfaces, entropy_file)) { 793 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 794 return -1; 795 } 796 797 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 798 hostapd_periodic, &interfaces, NULL); 799 800 if (fst_global_init()) { 801 wpa_printf(MSG_ERROR, 802 "Failed to initialize global FST context"); 803 goto out; 804 } 805 806 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 807 if (!fst_global_add_ctrl(fst_ctrl_cli)) 808 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 809 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 810 811 /* Allocate and parse configuration for full interface files */ 812 for (i = 0; i < interfaces.count; i++) { 813 char *if_name = NULL; 814 815 if (i < if_names_size) 816 if_name = if_names[i]; 817 818 interfaces.iface[i] = hostapd_interface_init(&interfaces, 819 if_name, 820 argv[optind + i], 821 debug); 822 if (!interfaces.iface[i]) { 823 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 824 goto out; 825 } 826 if (start_ifaces_in_sync) 827 interfaces.iface[i]->need_to_start_in_sync = 1; 828 } 829 830 /* Allocate and parse configuration for per-BSS files */ 831 for (i = 0; i < num_bss_configs; i++) { 832 struct hostapd_iface *iface; 833 char *fname; 834 835 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 836 fname = os_strchr(bss_config[i], ':'); 837 if (fname == NULL) { 838 wpa_printf(MSG_ERROR, 839 "Invalid BSS config identifier '%s'", 840 bss_config[i]); 841 goto out; 842 } 843 *fname++ = '\0'; 844 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 845 fname, debug); 846 if (iface == NULL) 847 goto out; 848 for (j = 0; j < interfaces.count; j++) { 849 if (interfaces.iface[j] == iface) 850 break; 851 } 852 if (j == interfaces.count) { 853 struct hostapd_iface **tmp; 854 tmp = os_realloc_array(interfaces.iface, 855 interfaces.count + 1, 856 sizeof(struct hostapd_iface *)); 857 if (tmp == NULL) { 858 hostapd_interface_deinit_free(iface); 859 goto out; 860 } 861 interfaces.iface = tmp; 862 interfaces.iface[interfaces.count++] = iface; 863 } 864 } 865 866 /* 867 * Enable configured interfaces. Depending on channel configuration, 868 * this may complete full initialization before returning or use a 869 * callback mechanism to complete setup in case of operations like HT 870 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 871 * In such case, the interface will be enabled from eloop context within 872 * hostapd_global_run(). 873 */ 874 interfaces.terminate_on_error = interfaces.count; 875 for (i = 0; i < interfaces.count; i++) { 876 if (hostapd_driver_init(interfaces.iface[i]) || 877 hostapd_setup_interface(interfaces.iface[i])) 878 goto out; 879 } 880 881 hostapd_global_ctrl_iface_init(&interfaces); 882 883 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 884 wpa_printf(MSG_ERROR, "Failed to start eloop"); 885 goto out; 886 } 887 888 ret = 0; 889 890 out: 891 hostapd_global_ctrl_iface_deinit(&interfaces); 892 /* Deinitialize all interfaces */ 893 for (i = 0; i < interfaces.count; i++) { 894 if (!interfaces.iface[i]) 895 continue; 896 interfaces.iface[i]->driver_ap_teardown = 897 !!(interfaces.iface[i]->drv_flags & 898 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 899 hostapd_interface_deinit_free(interfaces.iface[i]); 900 } 901 os_free(interfaces.iface); 902 903 #ifdef CONFIG_DPP 904 hostapd_dpp_deinit_global(&interfaces); 905 #endif /* CONFIG_DPP */ 906 907 if (interfaces.eloop_initialized) 908 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 909 hostapd_global_deinit(pid_file, interfaces.eloop_initialized); 910 os_free(pid_file); 911 912 wpa_debug_close_syslog(); 913 if (log_file) 914 wpa_debug_close_file(); 915 wpa_debug_close_linux_tracing(); 916 917 os_free(bss_config); 918 919 for (i = 0; i < if_names_size; i++) 920 os_free(if_names[i]); 921 os_free(if_names); 922 923 fst_global_deinit(); 924 925 os_program_deinit(); 926 927 return ret; 928 } 929