1 /* 2 * hostapd / main() 3 * Copyright (c) 2002-2019, 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 "common/dpp.h" 22 #include "drivers/driver.h" 23 #include "eap_server/eap.h" 24 #include "eap_server/tncs.h" 25 #include "ap/hostapd.h" 26 #include "ap/ap_config.h" 27 #include "ap/ap_drv_ops.h" 28 #include "ap/dpp_hostapd.h" 29 #include "fst/fst.h" 30 #include "config_file.h" 31 #include "eap_register.h" 32 #include "ctrl_iface.h" 33 34 35 struct hapd_global { 36 void **drv_priv; 37 size_t drv_count; 38 }; 39 40 static struct hapd_global global; 41 42 43 #ifndef CONFIG_NO_HOSTAPD_LOGGER 44 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, 45 int level, const char *txt, size_t len) 46 { 47 struct hostapd_data *hapd = ctx; 48 char *format, *module_str; 49 int maxlen; 50 int conf_syslog_level, conf_stdout_level; 51 unsigned int conf_syslog, conf_stdout; 52 53 maxlen = len + 100; 54 format = os_malloc(maxlen); 55 if (!format) 56 return; 57 58 if (hapd && hapd->conf) { 59 conf_syslog_level = hapd->conf->logger_syslog_level; 60 conf_stdout_level = hapd->conf->logger_stdout_level; 61 conf_syslog = hapd->conf->logger_syslog; 62 conf_stdout = hapd->conf->logger_stdout; 63 } else { 64 conf_syslog_level = conf_stdout_level = 0; 65 conf_syslog = conf_stdout = (unsigned int) -1; 66 } 67 68 switch (module) { 69 case HOSTAPD_MODULE_IEEE80211: 70 module_str = "IEEE 802.11"; 71 break; 72 case HOSTAPD_MODULE_IEEE8021X: 73 module_str = "IEEE 802.1X"; 74 break; 75 case HOSTAPD_MODULE_RADIUS: 76 module_str = "RADIUS"; 77 break; 78 case HOSTAPD_MODULE_WPA: 79 module_str = "WPA"; 80 break; 81 case HOSTAPD_MODULE_DRIVER: 82 module_str = "DRIVER"; 83 break; 84 case HOSTAPD_MODULE_IAPP: 85 module_str = "IAPP"; 86 break; 87 case HOSTAPD_MODULE_MLME: 88 module_str = "MLME"; 89 break; 90 default: 91 module_str = NULL; 92 break; 93 } 94 95 if (hapd && hapd->conf && addr) 96 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", 97 hapd->conf->iface, MAC2STR(addr), 98 module_str ? " " : "", module_str ? module_str : "", 99 txt); 100 else if (hapd && hapd->conf) 101 os_snprintf(format, maxlen, "%s:%s%s %s", 102 hapd->conf->iface, module_str ? " " : "", 103 module_str ? module_str : "", txt); 104 else if (addr) 105 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", 106 MAC2STR(addr), module_str ? " " : "", 107 module_str ? module_str : "", txt); 108 else 109 os_snprintf(format, maxlen, "%s%s%s", 110 module_str ? module_str : "", 111 module_str ? ": " : "", txt); 112 113 #ifdef CONFIG_DEBUG_SYSLOG 114 if (wpa_debug_syslog) 115 conf_stdout = 0; 116 #endif /* CONFIG_DEBUG_SYSLOG */ 117 if ((conf_stdout & module) && level >= conf_stdout_level) { 118 wpa_debug_print_timestamp(); 119 wpa_printf(MSG_INFO, "%s", format); 120 } 121 122 #ifndef CONFIG_NATIVE_WINDOWS 123 if ((conf_syslog & module) && level >= conf_syslog_level) { 124 int priority; 125 switch (level) { 126 case HOSTAPD_LEVEL_DEBUG_VERBOSE: 127 case HOSTAPD_LEVEL_DEBUG: 128 priority = LOG_DEBUG; 129 break; 130 case HOSTAPD_LEVEL_INFO: 131 priority = LOG_INFO; 132 break; 133 case HOSTAPD_LEVEL_NOTICE: 134 priority = LOG_NOTICE; 135 break; 136 case HOSTAPD_LEVEL_WARNING: 137 priority = LOG_WARNING; 138 break; 139 default: 140 priority = LOG_INFO; 141 break; 142 } 143 syslog(priority, "%s", format); 144 } 145 #endif /* CONFIG_NATIVE_WINDOWS */ 146 147 os_free(format); 148 } 149 #endif /* CONFIG_NO_HOSTAPD_LOGGER */ 150 151 152 /** 153 * hostapd_driver_init - Preparate driver interface 154 */ 155 static int hostapd_driver_init(struct hostapd_iface *iface) 156 { 157 struct wpa_init_params params; 158 size_t i; 159 struct hostapd_data *hapd = iface->bss[0]; 160 struct hostapd_bss_config *conf = hapd->conf; 161 u8 *b = conf->bssid; 162 struct wpa_driver_capa capa; 163 164 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { 165 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); 166 return -1; 167 } 168 169 /* Initialize the driver interface */ 170 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) 171 b = NULL; 172 173 os_memset(¶ms, 0, sizeof(params)); 174 for (i = 0; wpa_drivers[i]; i++) { 175 if (wpa_drivers[i] != hapd->driver) 176 continue; 177 178 if (global.drv_priv[i] == NULL && 179 wpa_drivers[i]->global_init) { 180 global.drv_priv[i] = 181 wpa_drivers[i]->global_init(iface->interfaces); 182 if (global.drv_priv[i] == NULL) { 183 wpa_printf(MSG_ERROR, "Failed to initialize " 184 "driver '%s'", 185 wpa_drivers[i]->name); 186 return -1; 187 } 188 } 189 190 params.global_priv = global.drv_priv[i]; 191 break; 192 } 193 params.bssid = b; 194 params.ifname = hapd->conf->iface; 195 params.driver_params = hapd->iconf->driver_params; 196 params.use_pae_group_addr = hapd->conf->use_pae_group_addr; 197 198 params.num_bridge = hapd->iface->num_bss; 199 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); 200 if (params.bridge == NULL) 201 return -1; 202 for (i = 0; i < hapd->iface->num_bss; i++) { 203 struct hostapd_data *bss = hapd->iface->bss[i]; 204 if (bss->conf->bridge[0]) 205 params.bridge[i] = bss->conf->bridge; 206 } 207 208 params.own_addr = hapd->own_addr; 209 210 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); 211 os_free(params.bridge); 212 if (hapd->drv_priv == NULL) { 213 wpa_printf(MSG_ERROR, "%s driver initialization failed.", 214 hapd->driver->name); 215 hapd->driver = NULL; 216 return -1; 217 } 218 219 if (hapd->driver->get_capa && 220 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { 221 struct wowlan_triggers *triggs; 222 223 iface->drv_flags = capa.flags; 224 iface->smps_modes = capa.smps_modes; 225 iface->probe_resp_offloads = capa.probe_resp_offloads; 226 /* 227 * Use default extended capa values from per-radio information 228 */ 229 iface->extended_capa = capa.extended_capa; 230 iface->extended_capa_mask = capa.extended_capa_mask; 231 iface->extended_capa_len = capa.extended_capa_len; 232 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 233 234 /* 235 * Override extended capa with per-interface type (AP), if 236 * available from the driver. 237 */ 238 hostapd_get_ext_capa(iface); 239 240 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 241 if (triggs && hapd->driver->set_wowlan) { 242 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 243 wpa_printf(MSG_ERROR, "set_wowlan failed"); 244 } 245 os_free(triggs); 246 } 247 248 return 0; 249 } 250 251 252 /** 253 * hostapd_interface_init - Read configuration file and init BSS data 254 * 255 * This function is used to parse configuration file for a full interface (one 256 * or more BSSes sharing the same radio) and allocate memory for the BSS 257 * interfaces. No actual driver operations are started. 258 */ 259 static struct hostapd_iface * 260 hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, 261 const char *config_fname, int debug) 262 { 263 struct hostapd_iface *iface; 264 int k; 265 266 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 267 iface = hostapd_init(interfaces, config_fname); 268 if (!iface) 269 return NULL; 270 271 if (if_name) { 272 os_strlcpy(iface->conf->bss[0]->iface, if_name, 273 sizeof(iface->conf->bss[0]->iface)); 274 } 275 276 iface->interfaces = interfaces; 277 278 for (k = 0; k < debug; k++) { 279 if (iface->bss[0]->conf->logger_stdout_level > 0) 280 iface->bss[0]->conf->logger_stdout_level--; 281 } 282 283 if (iface->conf->bss[0]->iface[0] == '\0' && 284 !hostapd_drv_none(iface->bss[0])) { 285 wpa_printf(MSG_ERROR, 286 "Interface name not specified in %s, nor by '-i' parameter", 287 config_fname); 288 hostapd_interface_deinit_free(iface); 289 return NULL; 290 } 291 292 return iface; 293 } 294 295 296 /** 297 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 298 */ 299 static void handle_term(int sig, void *signal_ctx) 300 { 301 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 302 eloop_terminate(); 303 } 304 305 306 #ifndef CONFIG_NATIVE_WINDOWS 307 308 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 309 { 310 if (hostapd_reload_config(iface) < 0) { 311 wpa_printf(MSG_WARNING, "Failed to read new configuration " 312 "file - continuing with old."); 313 } 314 return 0; 315 } 316 317 318 /** 319 * handle_reload - SIGHUP handler to reload configuration 320 */ 321 static void handle_reload(int sig, void *signal_ctx) 322 { 323 struct hapd_interfaces *interfaces = signal_ctx; 324 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 325 sig); 326 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 327 } 328 329 330 static void handle_dump_state(int sig, void *signal_ctx) 331 { 332 /* Not used anymore - ignore signal */ 333 } 334 #endif /* CONFIG_NATIVE_WINDOWS */ 335 336 337 static int hostapd_global_init(struct hapd_interfaces *interfaces, 338 const char *entropy_file) 339 { 340 int i; 341 342 os_memset(&global, 0, sizeof(global)); 343 344 hostapd_logger_register_cb(hostapd_logger_cb); 345 346 if (eap_server_register_methods()) { 347 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 348 return -1; 349 } 350 351 if (eloop_init()) { 352 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 353 return -1; 354 } 355 interfaces->eloop_initialized = 1; 356 357 random_init(entropy_file); 358 359 #ifndef CONFIG_NATIVE_WINDOWS 360 eloop_register_signal(SIGHUP, handle_reload, interfaces); 361 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 362 #endif /* CONFIG_NATIVE_WINDOWS */ 363 eloop_register_signal_terminate(handle_term, interfaces); 364 365 #ifndef CONFIG_NATIVE_WINDOWS 366 openlog("hostapd", 0, LOG_DAEMON); 367 #endif /* CONFIG_NATIVE_WINDOWS */ 368 369 for (i = 0; wpa_drivers[i]; i++) 370 global.drv_count++; 371 if (global.drv_count == 0) { 372 wpa_printf(MSG_ERROR, "No drivers enabled"); 373 return -1; 374 } 375 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 376 if (global.drv_priv == NULL) 377 return -1; 378 379 return 0; 380 } 381 382 383 static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) 384 { 385 int i; 386 387 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 388 if (!global.drv_priv[i]) 389 continue; 390 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 391 } 392 os_free(global.drv_priv); 393 global.drv_priv = NULL; 394 395 #ifdef EAP_SERVER_TNC 396 tncs_global_deinit(); 397 #endif /* EAP_SERVER_TNC */ 398 399 random_deinit(); 400 401 if (eloop_initialized) 402 eloop_destroy(); 403 404 #ifndef CONFIG_NATIVE_WINDOWS 405 closelog(); 406 #endif /* CONFIG_NATIVE_WINDOWS */ 407 408 eap_server_unregister_methods(); 409 410 os_daemonize_terminate(pid_file); 411 } 412 413 414 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 415 const char *pid_file) 416 { 417 #ifdef EAP_SERVER_TNC 418 int tnc = 0; 419 size_t i, k; 420 421 for (i = 0; !tnc && i < ifaces->count; i++) { 422 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 423 if (ifaces->iface[i]->bss[0]->conf->tnc) { 424 tnc++; 425 break; 426 } 427 } 428 } 429 430 if (tnc && tncs_global_init() < 0) { 431 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 432 return -1; 433 } 434 #endif /* EAP_SERVER_TNC */ 435 436 if (daemonize) { 437 if (os_daemonize(pid_file)) { 438 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 439 return -1; 440 } 441 if (eloop_sock_requeue()) { 442 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", 443 strerror(errno)); 444 return -1; 445 } 446 } 447 448 eloop_run(); 449 450 return 0; 451 } 452 453 454 static void show_version(void) 455 { 456 fprintf(stderr, 457 "hostapd v" VERSION_STR "\n" 458 "User space daemon for IEEE 802.11 AP management,\n" 459 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 460 "Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> " 461 "and contributors\n"); 462 } 463 464 465 static void usage(void) 466 { 467 show_version(); 468 fprintf(stderr, 469 "\n" 470 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 471 "\\\n" 472 " [-g <global ctrl_iface>] [-G <group>]\\\n" 473 " [-i <comma-separated list of interface names>]\\\n" 474 " <configuration file(s)>\n" 475 "\n" 476 "options:\n" 477 " -h show this usage\n" 478 " -d show more debug messages (-dd for even more)\n" 479 " -B run daemon in the background\n" 480 " -e entropy file\n" 481 " -g global control interface path\n" 482 " -G group for control interfaces\n" 483 " -P PID file\n" 484 " -K include key data in debug messages\n" 485 #ifdef CONFIG_DEBUG_FILE 486 " -f log output to debug file instead of stdout\n" 487 #endif /* CONFIG_DEBUG_FILE */ 488 #ifdef CONFIG_DEBUG_LINUX_TRACING 489 " -T record to Linux tracing in addition to logging\n" 490 " (records all messages regardless of debug verbosity)\n" 491 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 492 " -i list of interface names to use\n" 493 #ifdef CONFIG_DEBUG_SYSLOG 494 " -s log output to syslog instead of stdout\n" 495 #endif /* CONFIG_DEBUG_SYSLOG */ 496 " -S start all the interfaces synchronously\n" 497 " -t include timestamps in some debug messages\n" 498 " -v show hostapd version\n"); 499 500 exit(1); 501 } 502 503 504 static const char * hostapd_msg_ifname_cb(void *ctx) 505 { 506 struct hostapd_data *hapd = ctx; 507 if (hapd && hapd->conf) 508 return hapd->conf->iface; 509 return NULL; 510 } 511 512 513 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 514 const char *path) 515 { 516 #ifndef CONFIG_CTRL_IFACE_UDP 517 char *pos; 518 #endif /* !CONFIG_CTRL_IFACE_UDP */ 519 520 os_free(interfaces->global_iface_path); 521 interfaces->global_iface_path = os_strdup(path); 522 if (interfaces->global_iface_path == NULL) 523 return -1; 524 525 #ifndef CONFIG_CTRL_IFACE_UDP 526 pos = os_strrchr(interfaces->global_iface_path, '/'); 527 if (pos == NULL) { 528 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 529 "file"); 530 os_free(interfaces->global_iface_path); 531 interfaces->global_iface_path = NULL; 532 return -1; 533 } 534 535 *pos = '\0'; 536 interfaces->global_iface_name = pos + 1; 537 #endif /* !CONFIG_CTRL_IFACE_UDP */ 538 539 return 0; 540 } 541 542 543 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 544 const char *group) 545 { 546 #ifndef CONFIG_NATIVE_WINDOWS 547 struct group *grp; 548 grp = getgrnam(group); 549 if (grp == NULL) { 550 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 551 return -1; 552 } 553 interfaces->ctrl_iface_group = grp->gr_gid; 554 #endif /* CONFIG_NATIVE_WINDOWS */ 555 return 0; 556 } 557 558 559 static int hostapd_get_interface_names(char ***if_names, 560 size_t *if_names_size, 561 char *arg) 562 { 563 char *if_name, *tmp, **nnames; 564 size_t i; 565 566 if (!arg) 567 return -1; 568 if_name = strtok_r(arg, ",", &tmp); 569 570 while (if_name) { 571 nnames = os_realloc_array(*if_names, 1 + *if_names_size, 572 sizeof(char *)); 573 if (!nnames) 574 goto fail; 575 *if_names = nnames; 576 577 (*if_names)[*if_names_size] = os_strdup(if_name); 578 if (!(*if_names)[*if_names_size]) 579 goto fail; 580 (*if_names_size)++; 581 if_name = strtok_r(NULL, ",", &tmp); 582 } 583 584 return 0; 585 586 fail: 587 for (i = 0; i < *if_names_size; i++) 588 os_free((*if_names)[i]); 589 os_free(*if_names); 590 *if_names = NULL; 591 *if_names_size = 0; 592 return -1; 593 } 594 595 596 #ifdef CONFIG_WPS 597 static int gen_uuid(const char *txt_addr) 598 { 599 u8 addr[ETH_ALEN]; 600 u8 uuid[UUID_LEN]; 601 char buf[100]; 602 603 if (hwaddr_aton(txt_addr, addr) < 0) 604 return -1; 605 606 uuid_gen_mac_addr(addr, uuid); 607 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 608 return -1; 609 610 printf("%s\n", buf); 611 612 return 0; 613 } 614 #endif /* CONFIG_WPS */ 615 616 617 #ifndef HOSTAPD_CLEANUP_INTERVAL 618 #define HOSTAPD_CLEANUP_INTERVAL 10 619 #endif /* HOSTAPD_CLEANUP_INTERVAL */ 620 621 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 622 { 623 hostapd_periodic_iface(iface); 624 return 0; 625 } 626 627 628 /* Periodic cleanup tasks */ 629 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 630 { 631 struct hapd_interfaces *interfaces = eloop_ctx; 632 633 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 634 hostapd_periodic, interfaces, NULL); 635 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 636 } 637 638 639 int main(int argc, char *argv[]) 640 { 641 struct hapd_interfaces interfaces; 642 int ret = 1; 643 size_t i, j; 644 int c, debug = 0, daemonize = 0; 645 char *pid_file = NULL; 646 const char *log_file = NULL; 647 const char *entropy_file = NULL; 648 char **bss_config = NULL, **tmp_bss; 649 size_t num_bss_configs = 0; 650 #ifdef CONFIG_DEBUG_LINUX_TRACING 651 int enable_trace_dbg = 0; 652 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 653 int start_ifaces_in_sync = 0; 654 char **if_names = NULL; 655 size_t if_names_size = 0; 656 657 if (os_program_init()) 658 return -1; 659 660 os_memset(&interfaces, 0, sizeof(interfaces)); 661 interfaces.reload_config = hostapd_reload_config; 662 interfaces.config_read_cb = hostapd_config_read; 663 interfaces.for_each_interface = hostapd_for_each_interface; 664 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 665 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 666 interfaces.driver_init = hostapd_driver_init; 667 interfaces.global_iface_path = NULL; 668 interfaces.global_iface_name = NULL; 669 interfaces.global_ctrl_sock = -1; 670 dl_list_init(&interfaces.global_ctrl_dst); 671 #ifdef CONFIG_ETH_P_OUI 672 dl_list_init(&interfaces.eth_p_oui); 673 #endif /* CONFIG_ETH_P_OUI */ 674 #ifdef CONFIG_DPP 675 interfaces.dpp = dpp_global_init(); 676 if (!interfaces.dpp) 677 return -1; 678 #endif /* CONFIG_DPP */ 679 680 for (;;) { 681 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:"); 682 if (c < 0) 683 break; 684 switch (c) { 685 case 'h': 686 usage(); 687 break; 688 case 'd': 689 debug++; 690 if (wpa_debug_level > 0) 691 wpa_debug_level--; 692 break; 693 case 'B': 694 daemonize++; 695 break; 696 case 'e': 697 entropy_file = optarg; 698 break; 699 case 'f': 700 log_file = optarg; 701 break; 702 case 'K': 703 wpa_debug_show_keys++; 704 break; 705 case 'P': 706 os_free(pid_file); 707 pid_file = os_rel2abs_path(optarg); 708 break; 709 case 't': 710 wpa_debug_timestamp++; 711 break; 712 #ifdef CONFIG_DEBUG_LINUX_TRACING 713 case 'T': 714 enable_trace_dbg = 1; 715 break; 716 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 717 case 'v': 718 show_version(); 719 exit(1); 720 break; 721 case 'g': 722 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 723 return -1; 724 break; 725 case 'G': 726 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 727 return -1; 728 break; 729 case 'b': 730 tmp_bss = os_realloc_array(bss_config, 731 num_bss_configs + 1, 732 sizeof(char *)); 733 if (tmp_bss == NULL) 734 goto out; 735 bss_config = tmp_bss; 736 bss_config[num_bss_configs++] = optarg; 737 break; 738 #ifdef CONFIG_DEBUG_SYSLOG 739 case 's': 740 wpa_debug_syslog = 1; 741 break; 742 #endif /* CONFIG_DEBUG_SYSLOG */ 743 case 'S': 744 start_ifaces_in_sync = 1; 745 break; 746 #ifdef CONFIG_WPS 747 case 'u': 748 return gen_uuid(optarg); 749 #endif /* CONFIG_WPS */ 750 case 'i': 751 if (hostapd_get_interface_names(&if_names, 752 &if_names_size, optarg)) 753 goto out; 754 break; 755 default: 756 usage(); 757 break; 758 } 759 } 760 761 if (optind == argc && interfaces.global_iface_path == NULL && 762 num_bss_configs == 0) 763 usage(); 764 765 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 766 767 if (log_file) 768 wpa_debug_open_file(log_file); 769 else 770 wpa_debug_setup_stdout(); 771 #ifdef CONFIG_DEBUG_SYSLOG 772 if (wpa_debug_syslog) 773 wpa_debug_open_syslog(); 774 #endif /* CONFIG_DEBUG_SYSLOG */ 775 #ifdef CONFIG_DEBUG_LINUX_TRACING 776 if (enable_trace_dbg) { 777 int tret = wpa_debug_open_linux_tracing(); 778 if (tret) { 779 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 780 return -1; 781 } 782 } 783 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 784 785 interfaces.count = argc - optind; 786 if (interfaces.count || num_bss_configs) { 787 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 788 sizeof(struct hostapd_iface *)); 789 if (interfaces.iface == NULL) { 790 wpa_printf(MSG_ERROR, "malloc failed"); 791 return -1; 792 } 793 } 794 795 if (hostapd_global_init(&interfaces, entropy_file)) { 796 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 797 return -1; 798 } 799 800 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 801 hostapd_periodic, &interfaces, NULL); 802 803 if (fst_global_init()) { 804 wpa_printf(MSG_ERROR, 805 "Failed to initialize global FST context"); 806 goto out; 807 } 808 809 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 810 if (!fst_global_add_ctrl(fst_ctrl_cli)) 811 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 812 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 813 814 /* Allocate and parse configuration for full interface files */ 815 for (i = 0; i < interfaces.count; i++) { 816 char *if_name = NULL; 817 818 if (i < if_names_size) 819 if_name = if_names[i]; 820 821 interfaces.iface[i] = hostapd_interface_init(&interfaces, 822 if_name, 823 argv[optind + i], 824 debug); 825 if (!interfaces.iface[i]) { 826 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 827 goto out; 828 } 829 if (start_ifaces_in_sync) 830 interfaces.iface[i]->need_to_start_in_sync = 1; 831 } 832 833 /* Allocate and parse configuration for per-BSS files */ 834 for (i = 0; i < num_bss_configs; i++) { 835 struct hostapd_iface *iface; 836 char *fname; 837 838 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 839 fname = os_strchr(bss_config[i], ':'); 840 if (fname == NULL) { 841 wpa_printf(MSG_ERROR, 842 "Invalid BSS config identifier '%s'", 843 bss_config[i]); 844 goto out; 845 } 846 *fname++ = '\0'; 847 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 848 fname, debug); 849 if (iface == NULL) 850 goto out; 851 for (j = 0; j < interfaces.count; j++) { 852 if (interfaces.iface[j] == iface) 853 break; 854 } 855 if (j == interfaces.count) { 856 struct hostapd_iface **tmp; 857 tmp = os_realloc_array(interfaces.iface, 858 interfaces.count + 1, 859 sizeof(struct hostapd_iface *)); 860 if (tmp == NULL) { 861 hostapd_interface_deinit_free(iface); 862 goto out; 863 } 864 interfaces.iface = tmp; 865 interfaces.iface[interfaces.count++] = iface; 866 } 867 } 868 869 /* 870 * Enable configured interfaces. Depending on channel configuration, 871 * this may complete full initialization before returning or use a 872 * callback mechanism to complete setup in case of operations like HT 873 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 874 * In such case, the interface will be enabled from eloop context within 875 * hostapd_global_run(). 876 */ 877 interfaces.terminate_on_error = interfaces.count; 878 for (i = 0; i < interfaces.count; i++) { 879 if (hostapd_driver_init(interfaces.iface[i]) || 880 hostapd_setup_interface(interfaces.iface[i])) 881 goto out; 882 } 883 884 hostapd_global_ctrl_iface_init(&interfaces); 885 886 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 887 wpa_printf(MSG_ERROR, "Failed to start eloop"); 888 goto out; 889 } 890 891 ret = 0; 892 893 out: 894 hostapd_global_ctrl_iface_deinit(&interfaces); 895 /* Deinitialize all interfaces */ 896 for (i = 0; i < interfaces.count; i++) { 897 if (!interfaces.iface[i]) 898 continue; 899 interfaces.iface[i]->driver_ap_teardown = 900 !!(interfaces.iface[i]->drv_flags & 901 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 902 hostapd_interface_deinit_free(interfaces.iface[i]); 903 } 904 os_free(interfaces.iface); 905 906 #ifdef CONFIG_DPP 907 dpp_global_deinit(interfaces.dpp); 908 #endif /* CONFIG_DPP */ 909 910 if (interfaces.eloop_initialized) 911 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 912 hostapd_global_deinit(pid_file, interfaces.eloop_initialized); 913 os_free(pid_file); 914 915 wpa_debug_close_syslog(); 916 if (log_file) 917 wpa_debug_close_file(); 918 wpa_debug_close_linux_tracing(); 919 920 os_free(bss_config); 921 922 for (i = 0; i < if_names_size; i++) 923 os_free(if_names[i]); 924 os_free(if_names); 925 926 fst_global_deinit(); 927 928 os_program_deinit(); 929 930 return ret; 931 } 932