main.c revision 337817
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 /* 221 * Use default extended capa values from per-radio information 222 */ 223 iface->extended_capa = capa.extended_capa; 224 iface->extended_capa_mask = capa.extended_capa_mask; 225 iface->extended_capa_len = capa.extended_capa_len; 226 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; 227 228 /* 229 * Override extended capa with per-interface type (AP), if 230 * available from the driver. 231 */ 232 hostapd_get_ext_capa(iface); 233 234 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); 235 if (triggs && hapd->driver->set_wowlan) { 236 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) 237 wpa_printf(MSG_ERROR, "set_wowlan failed"); 238 } 239 os_free(triggs); 240 } 241 242 return 0; 243} 244 245 246/** 247 * hostapd_interface_init - Read configuration file and init BSS data 248 * 249 * This function is used to parse configuration file for a full interface (one 250 * or more BSSes sharing the same radio) and allocate memory for the BSS 251 * interfaces. No actiual driver operations are started. 252 */ 253static struct hostapd_iface * 254hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, 255 const char *config_fname, int debug) 256{ 257 struct hostapd_iface *iface; 258 int k; 259 260 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); 261 iface = hostapd_init(interfaces, config_fname); 262 if (!iface) 263 return NULL; 264 265 if (if_name) { 266 os_strlcpy(iface->conf->bss[0]->iface, if_name, 267 sizeof(iface->conf->bss[0]->iface)); 268 } 269 270 iface->interfaces = interfaces; 271 272 for (k = 0; k < debug; k++) { 273 if (iface->bss[0]->conf->logger_stdout_level > 0) 274 iface->bss[0]->conf->logger_stdout_level--; 275 } 276 277 if (iface->conf->bss[0]->iface[0] == '\0' && 278 !hostapd_drv_none(iface->bss[0])) { 279 wpa_printf(MSG_ERROR, 280 "Interface name not specified in %s, nor by '-i' parameter", 281 config_fname); 282 hostapd_interface_deinit_free(iface); 283 return NULL; 284 } 285 286 return iface; 287} 288 289 290/** 291 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process 292 */ 293static void handle_term(int sig, void *signal_ctx) 294{ 295 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); 296 eloop_terminate(); 297} 298 299 300#ifndef CONFIG_NATIVE_WINDOWS 301 302static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) 303{ 304 if (hostapd_reload_config(iface) < 0) { 305 wpa_printf(MSG_WARNING, "Failed to read new configuration " 306 "file - continuing with old."); 307 } 308 return 0; 309} 310 311 312/** 313 * handle_reload - SIGHUP handler to reload configuration 314 */ 315static void handle_reload(int sig, void *signal_ctx) 316{ 317 struct hapd_interfaces *interfaces = signal_ctx; 318 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", 319 sig); 320 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); 321} 322 323 324static void handle_dump_state(int sig, void *signal_ctx) 325{ 326 /* Not used anymore - ignore signal */ 327} 328#endif /* CONFIG_NATIVE_WINDOWS */ 329 330 331static int hostapd_global_init(struct hapd_interfaces *interfaces, 332 const char *entropy_file) 333{ 334 int i; 335 336 os_memset(&global, 0, sizeof(global)); 337 338 hostapd_logger_register_cb(hostapd_logger_cb); 339 340 if (eap_server_register_methods()) { 341 wpa_printf(MSG_ERROR, "Failed to register EAP methods"); 342 return -1; 343 } 344 345 if (eloop_init()) { 346 wpa_printf(MSG_ERROR, "Failed to initialize event loop"); 347 return -1; 348 } 349 interfaces->eloop_initialized = 1; 350 351 random_init(entropy_file); 352 353#ifndef CONFIG_NATIVE_WINDOWS 354 eloop_register_signal(SIGHUP, handle_reload, interfaces); 355 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); 356#endif /* CONFIG_NATIVE_WINDOWS */ 357 eloop_register_signal_terminate(handle_term, interfaces); 358 359#ifndef CONFIG_NATIVE_WINDOWS 360 openlog("hostapd", 0, LOG_DAEMON); 361#endif /* CONFIG_NATIVE_WINDOWS */ 362 363 for (i = 0; wpa_drivers[i]; i++) 364 global.drv_count++; 365 if (global.drv_count == 0) { 366 wpa_printf(MSG_ERROR, "No drivers enabled"); 367 return -1; 368 } 369 global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); 370 if (global.drv_priv == NULL) 371 return -1; 372 373 return 0; 374} 375 376 377static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) 378{ 379 int i; 380 381 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { 382 if (!global.drv_priv[i]) 383 continue; 384 wpa_drivers[i]->global_deinit(global.drv_priv[i]); 385 } 386 os_free(global.drv_priv); 387 global.drv_priv = NULL; 388 389#ifdef EAP_SERVER_TNC 390 tncs_global_deinit(); 391#endif /* EAP_SERVER_TNC */ 392 393 random_deinit(); 394 395 if (eloop_initialized) 396 eloop_destroy(); 397 398#ifndef CONFIG_NATIVE_WINDOWS 399 closelog(); 400#endif /* CONFIG_NATIVE_WINDOWS */ 401 402 eap_server_unregister_methods(); 403 404 os_daemonize_terminate(pid_file); 405} 406 407 408static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, 409 const char *pid_file) 410{ 411#ifdef EAP_SERVER_TNC 412 int tnc = 0; 413 size_t i, k; 414 415 for (i = 0; !tnc && i < ifaces->count; i++) { 416 for (k = 0; k < ifaces->iface[i]->num_bss; k++) { 417 if (ifaces->iface[i]->bss[0]->conf->tnc) { 418 tnc++; 419 break; 420 } 421 } 422 } 423 424 if (tnc && tncs_global_init() < 0) { 425 wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); 426 return -1; 427 } 428#endif /* EAP_SERVER_TNC */ 429 430 if (daemonize) { 431 if (os_daemonize(pid_file)) { 432 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); 433 return -1; 434 } 435 if (eloop_sock_requeue()) { 436 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", 437 strerror(errno)); 438 return -1; 439 } 440 } 441 442 eloop_run(); 443 444 return 0; 445} 446 447 448static void show_version(void) 449{ 450 fprintf(stderr, 451 "hostapd v" VERSION_STR "\n" 452 "User space daemon for IEEE 802.11 AP management,\n" 453 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" 454 "Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> " 455 "and contributors\n"); 456} 457 458 459static void usage(void) 460{ 461 show_version(); 462 fprintf(stderr, 463 "\n" 464 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " 465 "\\\n" 466 " [-g <global ctrl_iface>] [-G <group>]\\\n" 467 " [-i <comma-separated list of interface names>]\\\n" 468 " <configuration file(s)>\n" 469 "\n" 470 "options:\n" 471 " -h show this usage\n" 472 " -d show more debug messages (-dd for even more)\n" 473 " -B run daemon in the background\n" 474 " -e entropy file\n" 475 " -g global control interface path\n" 476 " -G group for control interfaces\n" 477 " -P PID file\n" 478 " -K include key data in debug messages\n" 479#ifdef CONFIG_DEBUG_FILE 480 " -f log output to debug file instead of stdout\n" 481#endif /* CONFIG_DEBUG_FILE */ 482#ifdef CONFIG_DEBUG_LINUX_TRACING 483 " -T = record to Linux tracing in addition to logging\n" 484 " (records all messages regardless of debug verbosity)\n" 485#endif /* CONFIG_DEBUG_LINUX_TRACING */ 486 " -i list of interface names to use\n" 487 " -S start all the interfaces synchronously\n" 488 " -t include timestamps in some debug messages\n" 489 " -v show hostapd version\n"); 490 491 exit(1); 492} 493 494 495static const char * hostapd_msg_ifname_cb(void *ctx) 496{ 497 struct hostapd_data *hapd = ctx; 498 if (hapd && hapd->conf) 499 return hapd->conf->iface; 500 return NULL; 501} 502 503 504static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, 505 const char *path) 506{ 507#ifndef CONFIG_CTRL_IFACE_UDP 508 char *pos; 509#endif /* !CONFIG_CTRL_IFACE_UDP */ 510 511 os_free(interfaces->global_iface_path); 512 interfaces->global_iface_path = os_strdup(path); 513 if (interfaces->global_iface_path == NULL) 514 return -1; 515 516#ifndef CONFIG_CTRL_IFACE_UDP 517 pos = os_strrchr(interfaces->global_iface_path, '/'); 518 if (pos == NULL) { 519 wpa_printf(MSG_ERROR, "No '/' in the global control interface " 520 "file"); 521 os_free(interfaces->global_iface_path); 522 interfaces->global_iface_path = NULL; 523 return -1; 524 } 525 526 *pos = '\0'; 527 interfaces->global_iface_name = pos + 1; 528#endif /* !CONFIG_CTRL_IFACE_UDP */ 529 530 return 0; 531} 532 533 534static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, 535 const char *group) 536{ 537#ifndef CONFIG_NATIVE_WINDOWS 538 struct group *grp; 539 grp = getgrnam(group); 540 if (grp == NULL) { 541 wpa_printf(MSG_ERROR, "Unknown group '%s'", group); 542 return -1; 543 } 544 interfaces->ctrl_iface_group = grp->gr_gid; 545#endif /* CONFIG_NATIVE_WINDOWS */ 546 return 0; 547} 548 549 550static int hostapd_get_interface_names(char ***if_names, 551 size_t *if_names_size, 552 char *optarg) 553{ 554 char *if_name, *tmp, **nnames; 555 size_t i; 556 557 if (!optarg) 558 return -1; 559 if_name = strtok_r(optarg, ",", &tmp); 560 561 while (if_name) { 562 nnames = os_realloc_array(*if_names, 1 + *if_names_size, 563 sizeof(char *)); 564 if (!nnames) 565 goto fail; 566 *if_names = nnames; 567 568 (*if_names)[*if_names_size] = os_strdup(if_name); 569 if (!(*if_names)[*if_names_size]) 570 goto fail; 571 (*if_names_size)++; 572 if_name = strtok_r(NULL, ",", &tmp); 573 } 574 575 return 0; 576 577fail: 578 for (i = 0; i < *if_names_size; i++) 579 os_free((*if_names)[i]); 580 os_free(*if_names); 581 *if_names = NULL; 582 *if_names_size = 0; 583 return -1; 584} 585 586 587#ifdef CONFIG_WPS 588static int gen_uuid(const char *txt_addr) 589{ 590 u8 addr[ETH_ALEN]; 591 u8 uuid[UUID_LEN]; 592 char buf[100]; 593 594 if (hwaddr_aton(txt_addr, addr) < 0) 595 return -1; 596 597 uuid_gen_mac_addr(addr, uuid); 598 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) 599 return -1; 600 601 printf("%s\n", buf); 602 603 return 0; 604} 605#endif /* CONFIG_WPS */ 606 607 608#ifndef HOSTAPD_CLEANUP_INTERVAL 609#define HOSTAPD_CLEANUP_INTERVAL 10 610#endif /* HOSTAPD_CLEANUP_INTERVAL */ 611 612static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) 613{ 614 hostapd_periodic_iface(iface); 615 return 0; 616} 617 618 619/* Periodic cleanup tasks */ 620static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) 621{ 622 struct hapd_interfaces *interfaces = eloop_ctx; 623 624 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 625 hostapd_periodic, interfaces, NULL); 626 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); 627} 628 629 630int main(int argc, char *argv[]) 631{ 632 struct hapd_interfaces interfaces; 633 int ret = 1; 634 size_t i, j; 635 int c, debug = 0, daemonize = 0; 636 char *pid_file = NULL; 637 const char *log_file = NULL; 638 const char *entropy_file = NULL; 639 char **bss_config = NULL, **tmp_bss; 640 size_t num_bss_configs = 0; 641#ifdef CONFIG_DEBUG_LINUX_TRACING 642 int enable_trace_dbg = 0; 643#endif /* CONFIG_DEBUG_LINUX_TRACING */ 644 int start_ifaces_in_sync = 0; 645 char **if_names = NULL; 646 size_t if_names_size = 0; 647 648 if (os_program_init()) 649 return -1; 650 651 os_memset(&interfaces, 0, sizeof(interfaces)); 652 interfaces.reload_config = hostapd_reload_config; 653 interfaces.config_read_cb = hostapd_config_read; 654 interfaces.for_each_interface = hostapd_for_each_interface; 655 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; 656 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; 657 interfaces.driver_init = hostapd_driver_init; 658 interfaces.global_iface_path = NULL; 659 interfaces.global_iface_name = NULL; 660 interfaces.global_ctrl_sock = -1; 661 dl_list_init(&interfaces.global_ctrl_dst); 662 663 for (;;) { 664 c = getopt(argc, argv, "b:Bde:f:hi:KP:STtu:vg:G:"); 665 if (c < 0) 666 break; 667 switch (c) { 668 case 'h': 669 usage(); 670 break; 671 case 'd': 672 debug++; 673 if (wpa_debug_level > 0) 674 wpa_debug_level--; 675 break; 676 case 'B': 677 daemonize++; 678 break; 679 case 'e': 680 entropy_file = optarg; 681 break; 682 case 'f': 683 log_file = optarg; 684 break; 685 case 'K': 686 wpa_debug_show_keys++; 687 break; 688 case 'P': 689 os_free(pid_file); 690 pid_file = os_rel2abs_path(optarg); 691 break; 692 case 't': 693 wpa_debug_timestamp++; 694 break; 695#ifdef CONFIG_DEBUG_LINUX_TRACING 696 case 'T': 697 enable_trace_dbg = 1; 698 break; 699#endif /* CONFIG_DEBUG_LINUX_TRACING */ 700 case 'v': 701 show_version(); 702 exit(1); 703 break; 704 case 'g': 705 if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) 706 return -1; 707 break; 708 case 'G': 709 if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) 710 return -1; 711 break; 712 case 'b': 713 tmp_bss = os_realloc_array(bss_config, 714 num_bss_configs + 1, 715 sizeof(char *)); 716 if (tmp_bss == NULL) 717 goto out; 718 bss_config = tmp_bss; 719 bss_config[num_bss_configs++] = optarg; 720 break; 721 case 'S': 722 start_ifaces_in_sync = 1; 723 break; 724#ifdef CONFIG_WPS 725 case 'u': 726 return gen_uuid(optarg); 727#endif /* CONFIG_WPS */ 728 case 'i': 729 if (hostapd_get_interface_names(&if_names, 730 &if_names_size, optarg)) 731 goto out; 732 break; 733 default: 734 usage(); 735 break; 736 } 737 } 738 739 if (optind == argc && interfaces.global_iface_path == NULL && 740 num_bss_configs == 0) 741 usage(); 742 743 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); 744 745 if (log_file) 746 wpa_debug_open_file(log_file); 747 else 748 wpa_debug_setup_stdout(); 749#ifdef CONFIG_DEBUG_LINUX_TRACING 750 if (enable_trace_dbg) { 751 int tret = wpa_debug_open_linux_tracing(); 752 if (tret) { 753 wpa_printf(MSG_ERROR, "Failed to enable trace logging"); 754 return -1; 755 } 756 } 757#endif /* CONFIG_DEBUG_LINUX_TRACING */ 758 759 interfaces.count = argc - optind; 760 if (interfaces.count || num_bss_configs) { 761 interfaces.iface = os_calloc(interfaces.count + num_bss_configs, 762 sizeof(struct hostapd_iface *)); 763 if (interfaces.iface == NULL) { 764 wpa_printf(MSG_ERROR, "malloc failed"); 765 return -1; 766 } 767 } 768 769 if (hostapd_global_init(&interfaces, entropy_file)) { 770 wpa_printf(MSG_ERROR, "Failed to initialize global context"); 771 return -1; 772 } 773 774 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, 775 hostapd_periodic, &interfaces, NULL); 776 777 if (fst_global_init()) { 778 wpa_printf(MSG_ERROR, 779 "Failed to initialize global FST context"); 780 goto out; 781 } 782 783#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) 784 if (!fst_global_add_ctrl(fst_ctrl_cli)) 785 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); 786#endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ 787 788 /* Allocate and parse configuration for full interface files */ 789 for (i = 0; i < interfaces.count; i++) { 790 char *if_name = NULL; 791 792 if (i < if_names_size) 793 if_name = if_names[i]; 794 795 interfaces.iface[i] = hostapd_interface_init(&interfaces, 796 if_name, 797 argv[optind + i], 798 debug); 799 if (!interfaces.iface[i]) { 800 wpa_printf(MSG_ERROR, "Failed to initialize interface"); 801 goto out; 802 } 803 if (start_ifaces_in_sync) 804 interfaces.iface[i]->need_to_start_in_sync = 1; 805 } 806 807 /* Allocate and parse configuration for per-BSS files */ 808 for (i = 0; i < num_bss_configs; i++) { 809 struct hostapd_iface *iface; 810 char *fname; 811 812 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); 813 fname = os_strchr(bss_config[i], ':'); 814 if (fname == NULL) { 815 wpa_printf(MSG_ERROR, 816 "Invalid BSS config identifier '%s'", 817 bss_config[i]); 818 goto out; 819 } 820 *fname++ = '\0'; 821 iface = hostapd_interface_init_bss(&interfaces, bss_config[i], 822 fname, debug); 823 if (iface == NULL) 824 goto out; 825 for (j = 0; j < interfaces.count; j++) { 826 if (interfaces.iface[j] == iface) 827 break; 828 } 829 if (j == interfaces.count) { 830 struct hostapd_iface **tmp; 831 tmp = os_realloc_array(interfaces.iface, 832 interfaces.count + 1, 833 sizeof(struct hostapd_iface *)); 834 if (tmp == NULL) { 835 hostapd_interface_deinit_free(iface); 836 goto out; 837 } 838 interfaces.iface = tmp; 839 interfaces.iface[interfaces.count++] = iface; 840 } 841 } 842 843 /* 844 * Enable configured interfaces. Depending on channel configuration, 845 * this may complete full initialization before returning or use a 846 * callback mechanism to complete setup in case of operations like HT 847 * co-ex scans, ACS, or DFS are needed to determine channel parameters. 848 * In such case, the interface will be enabled from eloop context within 849 * hostapd_global_run(). 850 */ 851 interfaces.terminate_on_error = interfaces.count; 852 for (i = 0; i < interfaces.count; i++) { 853 if (hostapd_driver_init(interfaces.iface[i]) || 854 hostapd_setup_interface(interfaces.iface[i])) 855 goto out; 856 } 857 858 hostapd_global_ctrl_iface_init(&interfaces); 859 860 if (hostapd_global_run(&interfaces, daemonize, pid_file)) { 861 wpa_printf(MSG_ERROR, "Failed to start eloop"); 862 goto out; 863 } 864 865 ret = 0; 866 867 out: 868 hostapd_global_ctrl_iface_deinit(&interfaces); 869 /* Deinitialize all interfaces */ 870 for (i = 0; i < interfaces.count; i++) { 871 if (!interfaces.iface[i]) 872 continue; 873 interfaces.iface[i]->driver_ap_teardown = 874 !!(interfaces.iface[i]->drv_flags & 875 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); 876 hostapd_interface_deinit_free(interfaces.iface[i]); 877 } 878 os_free(interfaces.iface); 879 880 if (interfaces.eloop_initialized) 881 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); 882 hostapd_global_deinit(pid_file, interfaces.eloop_initialized); 883 os_free(pid_file); 884 885 if (log_file) 886 wpa_debug_close_file(); 887 wpa_debug_close_linux_tracing(); 888 889 os_free(bss_config); 890 891 for (i = 0; i < if_names_size; i++) 892 os_free(if_names[i]); 893 os_free(if_names); 894 895 fst_global_deinit(); 896 897 os_program_deinit(); 898 899 return ret; 900} 901