1 /* 2 * hostapd / main() 3 * Copyright (c) 2002-2019, Jouni Malinen <j (at) 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 #ifdef CONFIG_CTRL_IFACE_HIDL 34 #include "hidl.h" 35 #endif /* CONFIG_CTRL_IFACE_HIDL */ 36 37 struct hapd_global { 38 void **drv_priv; 39 size_t drv_count; 40 }; 41 42 static struct hapd_global global; 43 44 45 #ifndef CONFIG_NO_HOSTAPD_LOGGER 46 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, 47 int level, const char *txt, size_t len) 48 { 49 struct hostapd_data *hapd = ctx; 50 char *format, *module_str; 51 int maxlen; 52 int conf_syslog_level, conf_stdout_level; 53 unsigned int conf_syslog, conf_stdout; 54 55 maxlen = len + 100; 56 format = os_malloc(maxlen); 57 if (!format) 58 return; 59 60 if (hapd && hapd->conf) { 61 conf_syslog_level = hapd->conf->logger_syslog_level; 62 conf_stdout_level = hapd->conf->logger_stdout_level; 63 conf_syslog = hapd->conf->logger_syslog; 64 conf_stdout = hapd->conf->logger_stdout; 65 } else { 66 conf_syslog_level = conf_stdout_level = 0; 67 conf_syslog = conf_stdout = (unsigned int) -1; 68 } 69 70 switch (module) { 71 case HOSTAPD_MODULE_IEEE80211: 72 module_str = "IEEE 802.11"; 73 break; 74 case HOSTAPD_MODULE_IEEE8021X: 75 module_str = "IEEE 802.1X"; 76 break; 77 case HOSTAPD_MODULE_RADIUS: 78 module_str = "RADIUS"; 79 break; 80 case HOSTAPD_MODULE_WPA: 81 module_str = "WPA"; 82 break; 83 case HOSTAPD_MODULE_DRIVER: 84 module_str = "DRIVER"; 85 break; 86 case HOSTAPD_MODULE_IAPP: 87 module_str = "IAPP"; 88 break; 89 case HOSTAPD_MODULE_MLME: 90 module_str = "MLME"; 91 break; 92 default: 93 module_str = NULL; 94 break; 95 } 96 97 if (hapd && hapd->conf && addr) 98 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", 99 hapd->conf->iface, MAC2STR(addr), 100 module_str ? " " : "", module_str ? module_str : "", 101 txt); 102 else if (hapd && hapd->conf) 103 os_snprintf(format, maxlen, "%s:%s%s %s", 104 hapd->conf->iface, module_str ? " " : "", 105 module_str ? module_str : "", txt); 106 else if (addr) 107 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", 108 MAC2STR(addr), module_str ? " " : "", 109 module_str ? module_str : "", txt); 110 else 111 os_snprintf(format, maxlen, "%s%s%s", 112 module_str ? module_str : "", 113 module_str ? ": " : "", txt); 114 115 #ifdef CONFIG_DEBUG_SYSLOG 116 if (wpa_debug_syslog) 117 conf_stdout = 0; 118 #endif /* CONFIG_DEBUG_SYSLOG */ 119 if ((conf_stdout & module) && level >= conf_stdout_level) { 120 wpa_debug_print_timestamp(); 121 wpa_printf(MSG_INFO, "%s", format); 122 } 123 124 #ifndef CONFIG_NATIVE_WINDOWS 125 if ((conf_syslog & module) && level >= conf_syslog_level) { 126 int priority; 127 switch (level) { 128 case HOSTAPD_LEVEL_DEBUG_VERBOSE: 129 case HOSTAPD_LEVEL_DEBUG: 130 priority = LOG_DEBUG; 131 break; 132 case HOSTAPD_LEVEL_INFO: 133 priority = LOG_INFO; 134 break; 135 case HOSTAPD_LEVEL_NOTICE: 136 priority = LOG_NOTICE; 137 break; 138 case HOSTAPD_LEVEL_WARNING: 139 priority = LOG_WARNING; 140 break; 141 default: 142 priority = LOG_INFO; 143 break; 144 } 145 syslog(priority, "%s", format); 146 } 147 #endif /* CONFIG_NATIVE_WINDOWS */ 148 149 os_free(format); 150 } 151 #endif /* CONFIG_NO_HOSTAPD_LOGGER */ 152 153 154 /** 155 * hostapd_driver_init - Preparate driver interface 156 */ 157 static int hostapd_driver_init(struct hostapd_iface *iface) 158 { 159 struct wpa_init_params params; 160 size_t i; 161 struct hostapd_data *hapd = iface->bss[0]; 162 struct hostapd_bss_config *conf = hapd->conf; 163 u8 *b = conf->bssid; 164 struct wpa_driver_capa capa; 165 166 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { 167 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); 168 return -1; 169 } 170 171 /* Initialize the driver interface */ 172 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) 173 b = NULL; 174 175 os_memset(¶ms, 0, sizeof(params)); 176 for (i = 0; wpa_drivers[i]; i++) { 177 if (wpa_drivers[i] != hapd->driver) 178 continue; 179 180 if (global.drv_priv[i] == NULL && 181 wpa_drivers[i]->global_init) { 182 global.drv_priv[i] = 183 wpa_drivers[i]->global_init(iface->interfaces); 184 if (global.drv_priv[i] == NULL) { 185 wpa_printf(MSG_ERROR, "Failed to initialize " 186 "driver '%s'", 187 wpa_drivers[i]->name); 188 return -1; 189 } 190 } 191 192 params.global_priv = global.drv_priv[i]; 193 break; 194 } 195 params.bssid = b; 196 params.ifname = hapd->conf->iface; 197 params.driver_params = hapd->iconf->driver_params; 198 params.use_pae_group_addr = hapd->conf->use_pae_group_addr; 199 200 params.num_bridge = hapd->iface->num_bss; 201 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); 202 if (params.bridge == NULL) 203 return -1; 204 for (i = 0; i < hapd->iface->num_bss; i++) { 205 struct hostapd_data *bss = hapd->iface->bss[i]; 206 if (bss->conf->bridge[0]) 207 params.bridge[i] = bss->conf->bridge; 208 } 209 210 params.own_addr = hapd->own_addr; 211 212 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); 213 os_free(params.bridge); 214 if (hapd->drv_priv == NULL) { 215 wpa_printf(MSG_ERROR, "%s driver initialization failed.", 216 hapd->driver->name); 217 hapd->driver = NULL; 218 return -1; 219 } 220 221 if (hapd->driver->get_capa && 222 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { 223 struct wowlan_triggers *triggs; 224 225 iface->drv_flags = capa.flags; 226 iface->smps_modes = capa.smps_modes; 227 iface->probe_resp_offloads = capa.probe_resp_offloads; 228 /* 229 * Use default extended capa values from per-radio information 230 */ 231 iface->extended_capa = capa.extended_capa; 232 iface->extended_capa_mask = capa.extended_capa_mask; 233 iface->extended_capa_len = capa.extended_capa_len; 234 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 235 236 /* 237 * Override extended capa with per-interface type (AP), if 238 * available from the driver. 239 */ 240 hostapd_get_ext_capa(iface); 241 242 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 243 if (triggs && hapd->driver->set_wowlan) { 244 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 245 wpa_printf(MSG_ERROR, "set_wowlan failed"); 246 } 247 os_free(triggs); 248 } 249 250 return 0; 251 } 252 253 254 /** 255 * hostapd_interface_init - Read configuration file and init BSS data 256 * 257 * This function is used to parse configuration file for a full interface (one 258 * or more BSSes sharing the same radio) and allocate memory for the BSS 259 * interfaces. No actual driver operations are started. 260 */ 261 static struct hostapd_iface * 262 hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, 263 const char *config_fname, int debug) 264 { 265 struct hostapd_iface *iface; 266 int k; 267 268 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 269 iface = hostapd_init(interfaces, config_fname); 270 if (!iface) 271 return NULL; 272 273 if (if_name) { 274 os_strlcpy(iface->conf->bss[0]->iface, if_name, 275 sizeof(iface->conf->bss[0]->iface)); 276 } 277 278 iface->interfaces = interfaces; 279 280 for (k = 0; k < debug; k++) { 281 if (iface->bss[0]->conf->logger_stdout_level > 0) 282 iface->bss[0]->conf->logger_stdout_level--; 283 } 284 285 if (iface->conf->bss[0]->iface[0] == '\0' && 286 !hostapd_drv_none(iface->bss[0])) { 287 wpa_printf(MSG_ERROR, 288 "Interface name not specified in %s, nor by '-i' parameter", 289 config_fname); 290 hostapd_interface_deinit_free(iface); 291 return NULL; 292 } 293 294 return iface; 295 } 296 297 298 /** 299 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 300 */ 301 static void handle_term(int sig, void *signal_ctx) 302 { 303 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 304 eloop_terminate(); 305 } 306 307 308 #ifndef CONFIG_NATIVE_WINDOWS 309 310 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 311 { 312 if (hostapd_reload_config(iface) < 0) { 313 wpa_printf(MSG_WARNING, "Failed to read new configuration " 314 "file - continuing with old."); 315 } 316 return 0; 317 } 318 319 320 /** 321 * handle_reload - SIGHUP handler to reload configuration 322 */ 323 static void handle_reload(int sig, void *signal_ctx) 324 { 325 struct hapd_interfaces *interfaces = signal_ctx; 326 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 327 sig); 328 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 329 } 330 331 332 static void handle_dump_state(int sig, void *signal_ctx) 333 { 334 /* Not used anymore - ignore signal */ 335 } 336 #endif /* CONFIG_NATIVE_WINDOWS */ 337 338 339 static int hostapd_global_init(struct hapd_interfaces *interfaces, 340 const char *entropy_file) 341 { 342 int i; 343 344 os_memset(&global, 0, sizeof(global)); 345 346 hostapd_logger_register_cb(hostapd_logger_cb); 347 348 if (eap_server_register_methods()) { 349 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 350 return -1; 351 } 352 353 if (eloop_init()) { 354 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 355 return -1; 356 } 357 interfaces->eloop_initialized = 1; 358 359 random_init(entropy_file); 360 361 #ifndef CONFIG_NATIVE_WINDOWS 362 eloop_register_signal(SIGHUP, handle_reload, interfaces); 363 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 364 #endif /* CONFIG_NATIVE_WINDOWS */ 365 eloop_register_signal_terminate(handle_term, interfaces); 366 367 #ifndef CONFIG_NATIVE_WINDOWS 368 openlog("hostapd", 0, LOG_DAEMON); 369 #endif /* CONFIG_NATIVE_WINDOWS */ 370 371 for (i = 0; wpa_drivers[i]; i++) 372 global.drv_count++; 373 if (global.drv_count == 0) { 374 wpa_printf(MSG_ERROR, "No drivers enabled"); 375 return -1; 376 } 377 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 378 if (global.drv_priv == NULL) 379 return -1; 380 381 return 0; 382 } 383 384 385 static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) 386 { 387 int i; 388 389 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 390 if (!global.drv_priv[i]) 391 continue; 392 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 393 } 394 os_free(global.drv_priv); 395 global.drv_priv = NULL; 396 397 #ifdef EAP_SERVER_TNC 398 tncs_global_deinit(); 399 #endif /* EAP_SERVER_TNC */ 400 401 random_deinit(); 402 403 if (eloop_initialized) 404 eloop_destroy(); 405 406 #ifndef CONFIG_NATIVE_WINDOWS 407 closelog(); 408 #endif /* CONFIG_NATIVE_WINDOWS */ 409 410 eap_server_unregister_methods(); 411 412 os_daemonize_terminate(pid_file); 413 } 414 415 416 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 417 const char *pid_file) 418 { 419 #ifdef EAP_SERVER_TNC 420 int tnc = 0; 421 size_t i, k; 422 423 for (i = 0; !tnc && i < ifaces->count; i++) { 424 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 425 if (ifaces->iface[i]->bss[0]->conf->tnc) { 426 tnc++; 427 break; 428 } 429 } 430 } 431 432 if (tnc && tncs_global_init() < 0) { 433 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 434 return -1; 435 } 436 #endif /* EAP_SERVER_TNC */ 437 438 if (daemonize) { 439 if (os_daemonize(pid_file)) { 440 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 441 return -1; 442 } 443 if (eloop_sock_requeue()) { 444 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", 445 strerror(errno)); 446 return -1; 447 } 448 } 449 450 eloop_run(); 451 452 return 0; 453 } 454 455 456 static void show_version(void) 457 { 458 fprintf(stderr, 459 "hostapd v" VERSION_STR "\n" 460 "User space daemon for IEEE 802.11 AP management,\n" 461 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 462 "Copyright (c) 2002-2019, Jouni Malinen <j (at) w1.fi> " 463 "and contributors\n"); 464 } 465 466 467 static void usage(void) 468 { 469 show_version(); 470 fprintf(stderr, 471 "\n" 472 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 473 "\\\n" 474 " [-g <global ctrl_iface>] [-G <group>]\\\n" 475 " [-i <comma-separated list of interface names>]\\\n" 476 " <configuration file(s)>\n" 477 "\n" 478 "options:\n" 479 " -h show this usage\n" 480 " -d show more debug messages (-dd for even more)\n" 481 " -B run daemon in the background\n" 482 " -e entropy file\n" 483 " -g global control interface path\n" 484 " -G group for control interfaces\n" 485 " -P PID file\n" 486 " -K include key data in debug messages\n" 487 #ifdef CONFIG_DEBUG_FILE 488 " -f log output to debug file instead of stdout\n" 489 #endif /* CONFIG_DEBUG_FILE */ 490 #ifdef CONFIG_DEBUG_LINUX_TRACING 491 " -T record to Linux tracing in addition to logging\n" 492 " (records all messages regardless of debug verbosity)\n" 493 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 494 " -i list of interface names to use\n" 495 #ifdef CONFIG_DEBUG_SYSLOG 496 " -s log output to syslog instead of stdout\n" 497 #endif /* CONFIG_DEBUG_SYSLOG */ 498 " -S start all the interfaces synchronously\n" 499 " -t include timestamps in some debug messages\n" 500 " -v show hostapd version\n"); 501 502 exit(1); 503 } 504 505 506 static const char * hostapd_msg_ifname_cb(void *ctx) 507 { 508 struct hostapd_data *hapd = ctx; 509 if (hapd && hapd->conf) 510 return hapd->conf->iface; 511 return NULL; 512 } 513 514 515 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 516 const char *path) 517 { 518 #ifndef CONFIG_CTRL_IFACE_UDP 519 char *pos; 520 #endif /* !CONFIG_CTRL_IFACE_UDP */ 521 522 os_free(interfaces->global_iface_path); 523 interfaces->global_iface_path = os_strdup(path); 524 if (interfaces->global_iface_path == NULL) 525 return -1; 526 527 #ifndef CONFIG_CTRL_IFACE_UDP 528 pos = os_strrchr(interfaces->global_iface_path, '/'); 529 if (pos == NULL) { 530 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 531 "file"); 532 os_free(interfaces->global_iface_path); 533 interfaces->global_iface_path = NULL; 534 return -1; 535 } 536 537 *pos = '\0'; 538 interfaces->global_iface_name = pos + 1; 539 #endif /* !CONFIG_CTRL_IFACE_UDP */ 540 541 return 0; 542 } 543 544 545 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 546 const char *group) 547 { 548 #ifndef CONFIG_NATIVE_WINDOWS 549 struct group *grp; 550 grp = getgrnam(group); 551 if (grp == NULL) { 552 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 553 return -1; 554 } 555 interfaces->ctrl_iface_group = grp->gr_gid; 556 #endif /* CONFIG_NATIVE_WINDOWS */ 557 return 0; 558 } 559 560 561 static int hostapd_get_interface_names(char ***if_names, 562 size_t *if_names_size, 563 char *arg) 564 { 565 char *if_name, *tmp, **nnames; 566 size_t i; 567 568 if (!arg) 569 return -1; 570 if_name = strtok_r(arg, ",", &tmp); 571 572 while (if_name) { 573 nnames = os_realloc_array(*if_names, 1 + *if_names_size, 574 sizeof(char *)); 575 if (!nnames) 576 goto fail; 577 *if_names = nnames; 578 579 (*if_names)[*if_names_size] = os_strdup(if_name); 580 if (!(*if_names)[*if_names_size]) 581 goto fail; 582 (*if_names_size)++; 583 if_name = strtok_r(NULL, ",", &tmp); 584 } 585 586 return 0; 587 588 fail: 589 for (i = 0; i < *if_names_size; i++) 590 os_free((*if_names)[i]); 591 os_free(*if_names); 592 *if_names = NULL; 593 *if_names_size = 0; 594 return -1; 595 } 596 597 598 #ifdef CONFIG_WPS 599 static int gen_uuid(const char *txt_addr) 600 { 601 u8 addr[ETH_ALEN]; 602 u8 uuid[UUID_LEN]; 603 char buf[100]; 604 605 if (hwaddr_aton(txt_addr, addr) < 0) 606 return -1; 607 608 uuid_gen_mac_addr(addr, uuid); 609 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 610 return -1; 611 612 printf("%s\n", buf); 613 614 return 0; 615 } 616 #endif /* CONFIG_WPS */ 617 618 619 #ifndef HOSTAPD_CLEANUP_INTERVAL 620 #define HOSTAPD_CLEANUP_INTERVAL 10 621 #endif /* HOSTAPD_CLEANUP_INTERVAL */ 622 623 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 624 { 625 hostapd_periodic_iface(iface); 626 return 0; 627 } 628 629 630 /* Periodic cleanup tasks */ 631 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 632 { 633 struct hapd_interfaces *interfaces = eloop_ctx; 634 635 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 636 hostapd_periodic, interfaces, NULL); 637 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 638 } 639 640 641 int main(int argc, char *argv[]) 642 { 643 struct hapd_interfaces interfaces; 644 int ret = 1; 645 size_t i, j; 646 int c, debug = 0, daemonize = 0; 647 char *pid_file = NULL; 648 const char *log_file = NULL; 649 const char *entropy_file = NULL; 650 char **bss_config = NULL, **tmp_bss; 651 size_t num_bss_configs = 0; 652 #ifdef CONFIG_DEBUG_LINUX_TRACING 653 int enable_trace_dbg = 0; 654 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 655 int start_ifaces_in_sync = 0; 656 char **if_names = NULL; 657 size_t if_names_size = 0; 658 659 if (os_program_init()) 660 return -1; 661 662 os_memset(&interfaces, 0, sizeof(interfaces)); 663 interfaces.reload_config = hostapd_reload_config; 664 interfaces.config_read_cb = hostapd_config_read; 665 interfaces.for_each_interface = hostapd_for_each_interface; 666 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 667 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 668 interfaces.driver_init = hostapd_driver_init; 669 interfaces.global_iface_path = NULL; 670 interfaces.global_iface_name = NULL; 671 interfaces.global_ctrl_sock = -1; 672 dl_list_init(&interfaces.global_ctrl_dst); 673 #ifdef CONFIG_ETH_P_OUI 674 dl_list_init(&interfaces.eth_p_oui); 675 #endif /* CONFIG_ETH_P_OUI */ 676 #ifdef CONFIG_DPP 677 interfaces.dpp = dpp_global_init(); 678 if (!interfaces.dpp) 679 return -1; 680 #endif /* CONFIG_DPP */ 681 682 for (;;) { 683 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:"); 684 if (c < 0) 685 break; 686 switch (c) { 687 case 'h': 688 usage(); 689 break; 690 case 'd': 691 debug++; 692 if (wpa_debug_level > 0) 693 wpa_debug_level--; 694 break; 695 case 'B': 696 daemonize++; 697 break; 698 case 'e': 699 entropy_file = optarg; 700 break; 701 case 'f': 702 log_file = optarg; 703 break; 704 case 'K': 705 wpa_debug_show_keys++; 706 break; 707 case 'P': 708 os_free(pid_file); 709 pid_file = os_rel2abs_path(optarg); 710 break; 711 case 't': 712 wpa_debug_timestamp++; 713 break; 714 #ifdef CONFIG_DEBUG_LINUX_TRACING 715 case 'T': 716 enable_trace_dbg = 1; 717 break; 718 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 719 case 'v': 720 show_version(); 721 exit(1); 722 break; 723 case 'g': 724 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 725 return -1; 726 break; 727 case 'G': 728 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 729 return -1; 730 break; 731 case 'b': 732 tmp_bss = os_realloc_array(bss_config, 733 num_bss_configs + 1, 734 sizeof(char *)); 735 if (tmp_bss == NULL) 736 goto out; 737 bss_config = tmp_bss; 738 bss_config[num_bss_configs++] = optarg; 739 break; 740 #ifdef CONFIG_DEBUG_SYSLOG 741 case 's': 742 wpa_debug_syslog = 1; 743 break; 744 #endif /* CONFIG_DEBUG_SYSLOG */ 745 case 'S': 746 start_ifaces_in_sync = 1; 747 break; 748 #ifdef CONFIG_WPS 749 case 'u': 750 return gen_uuid(optarg); 751 #endif /* CONFIG_WPS */ 752 case 'i': 753 if (hostapd_get_interface_names(&if_names, 754 &if_names_size, optarg)) 755 goto out; 756 break; 757 default: 758 usage(); 759 break; 760 } 761 } 762 763 #ifndef CONFIG_CTRL_IFACE_HIDL 764 if (optind == argc && interfaces.global_iface_path == NULL && 765 num_bss_configs == 0) 766 usage(); 767 #endif 768 769 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 770 771 if (log_file) 772 wpa_debug_open_file(log_file); 773 else 774 wpa_debug_setup_stdout(); 775 #ifdef CONFIG_DEBUG_SYSLOG 776 if (wpa_debug_syslog) 777 wpa_debug_open_syslog(); 778 #endif /* CONFIG_DEBUG_SYSLOG */ 779 #ifdef CONFIG_DEBUG_LINUX_TRACING 780 if (enable_trace_dbg) { 781 int tret = wpa_debug_open_linux_tracing(); 782 if (tret) { 783 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 784 return -1; 785 } 786 } 787 #endif /* CONFIG_DEBUG_LINUX_TRACING */ 788 789 interfaces.count = argc - optind; 790 if (interfaces.count || num_bss_configs) { 791 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 792 sizeof(struct hostapd_iface *)); 793 if (interfaces.iface == NULL) { 794 wpa_printf(MSG_ERROR, "malloc failed"); 795 return -1; 796 } 797 } 798 799 if (hostapd_global_init(&interfaces, entropy_file)) { 800 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 801 return -1; 802 } 803 804 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 805 hostapd_periodic, &interfaces, NULL); 806 807 if (fst_global_init()) { 808 wpa_printf(MSG_ERROR, 809 "Failed to initialize global FST context"); 810 goto out; 811 } 812 813 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 814 if (!fst_global_add_ctrl(fst_ctrl_cli)) 815 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 816 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 817 818 /* Allocate and parse configuration for full interface files */ 819 for (i = 0; i < interfaces.count; i++) { 820 char *if_name = NULL; 821 822 if (i < if_names_size) 823 if_name = if_names[i]; 824 825 interfaces.iface[i] = hostapd_interface_init(&interfaces, 826 if_name, 827 argv[optind + i], 828 debug); 829 if (!interfaces.iface[i]) { 830 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 831 goto out; 832 } 833 if (start_ifaces_in_sync) 834 interfaces.iface[i]->need_to_start_in_sync = 1; 835 } 836 837 /* Allocate and parse configuration for per-BSS files */ 838 for (i = 0; i < num_bss_configs; i++) { 839 struct hostapd_iface *iface; 840 char *fname; 841 842 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 843 fname = os_strchr(bss_config[i], ':'); 844 if (fname == NULL) { 845 wpa_printf(MSG_ERROR, 846 "Invalid BSS config identifier '%s'", 847 bss_config[i]); 848 goto out; 849 } 850 *fname++ = '\0'; 851 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 852 fname, debug); 853 if (iface == NULL) 854 goto out; 855 for (j = 0; j < interfaces.count; j++) { 856 if (interfaces.iface[j] == iface) 857 break; 858 } 859 if (j == interfaces.count) { 860 struct hostapd_iface **tmp; 861 tmp = os_realloc_array(interfaces.iface, 862 interfaces.count + 1, 863 sizeof(struct hostapd_iface *)); 864 if (tmp == NULL) { 865 hostapd_interface_deinit_free(iface); 866 goto out; 867 } 868 interfaces.iface = tmp; 869 interfaces.iface[interfaces.count++] = iface; 870 } 871 } 872 873 /* 874 * Enable configured interfaces. Depending on channel configuration, 875 * this may complete full initialization before returning or use a 876 * callback mechanism to complete setup in case of operations like HT 877 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 878 * In such case, the interface will be enabled from eloop context within 879 * hostapd_global_run(). 880 */ 881 interfaces.terminate_on_error = interfaces.count; 882 for (i = 0; i < interfaces.count; i++) { 883 if (hostapd_driver_init(interfaces.iface[i]) || 884 hostapd_setup_interface(interfaces.iface[i])) 885 goto out; 886 } 887 888 #ifdef CONFIG_CTRL_IFACE_HIDL 889 if (hostapd_hidl_init(&interfaces)) { 890 wpa_printf(MSG_ERROR, "Failed to initialize HIDL interface"); 891 goto out; 892 } 893 #endif /* CONFIG_CTRL_IFACE_HIDL */ 894 hostapd_global_ctrl_iface_init(&interfaces); 895 896 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 897 wpa_printf(MSG_ERROR, "Failed to start eloop"); 898 goto out; 899 } 900 901 ret = 0; 902 903 out: 904 #ifdef CONFIG_CTRL_IFACE_HIDL 905 hostapd_hidl_deinit(&interfaces); 906 #endif /* CONFIG_CTRL_IFACE_HIDL */ 907 hostapd_global_ctrl_iface_deinit(&interfaces); 908 /* Deinitialize all interfaces */ 909 for (i = 0; i < interfaces.count; i++) { 910 if (!interfaces.iface[i]) 911 continue; 912 interfaces.iface[i]->driver_ap_teardown = 913 !!(interfaces.iface[i]->drv_flags & 914 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 915 hostapd_interface_deinit_free(interfaces.iface[i]); 916 } 917 os_free(interfaces.iface); 918 919 #ifdef CONFIG_DPP 920 dpp_global_deinit(interfaces.dpp); 921 #endif /* CONFIG_DPP */ 922 923 if (interfaces.eloop_initialized) 924 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 925 hostapd_global_deinit(pid_file, interfaces.eloop_initialized); 926 os_free(pid_file); 927 928 wpa_debug_close_syslog(); 929 if (log_file) 930 wpa_debug_close_file(); 931 wpa_debug_close_linux_tracing(); 932 933 os_free(bss_config); 934 935 for (i = 0; i < if_names_size; i++) 936 os_free(if_names[i]); 937 os_free(if_names); 938 939 fst_global_deinit(); 940 941 os_program_deinit(); 942 943 return ret; 944 } 945
