/* * hostapd / main() * Copyright (c) 2002-2022, Jouni Malinen * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "utils/includes.h" #ifndef CONFIG_NATIVE_WINDOWS #include #include #endif /* CONFIG_NATIVE_WINDOWS */ #include "utils/common.h" #include "utils/eloop.h" #include "utils/uuid.h" #include "crypto/random.h" #include "crypto/tls.h" #include "common/version.h" #include "common/dpp.h" #include "drivers/driver.h" #include "eap_server/eap.h" #include "eap_server/tncs.h" #include "ap/hostapd.h" #include "ap/ap_config.h" #include "ap/ap_drv_ops.h" #include "ap/dpp_hostapd.h" #include "fst/fst.h" #include "config_file.h" #include "eap_register.h" #include "ctrl_iface.h" struct hapd_global { void **drv_priv; size_t drv_count; }; static struct hapd_global global; #ifndef CONFIG_NO_HOSTAPD_LOGGER static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, int level, const char *txt, size_t len) { struct hostapd_data *hapd = ctx; char *format, *module_str; int maxlen; int conf_syslog_level, conf_stdout_level; unsigned int conf_syslog, conf_stdout; maxlen = len + 100; format = os_malloc(maxlen); if (!format) return; if (hapd && hapd->conf) { conf_syslog_level = hapd->conf->logger_syslog_level; conf_stdout_level = hapd->conf->logger_stdout_level; conf_syslog = hapd->conf->logger_syslog; conf_stdout = hapd->conf->logger_stdout; } else { conf_syslog_level = conf_stdout_level = 0; conf_syslog = conf_stdout = (unsigned int) -1; } switch (module) { case HOSTAPD_MODULE_IEEE80211: module_str = "IEEE 802.11"; break; case HOSTAPD_MODULE_IEEE8021X: module_str = "IEEE 802.1X"; break; case HOSTAPD_MODULE_RADIUS: module_str = "RADIUS"; break; case HOSTAPD_MODULE_WPA: module_str = "WPA"; break; case HOSTAPD_MODULE_DRIVER: module_str = "DRIVER"; break; case HOSTAPD_MODULE_MLME: module_str = "MLME"; break; default: module_str = NULL; break; } if (hapd && hapd->conf && addr) os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", hapd->conf->iface, MAC2STR(addr), module_str ? " " : "", module_str ? module_str : "", txt); else if (hapd && hapd->conf) os_snprintf(format, maxlen, "%s:%s%s %s", hapd->conf->iface, module_str ? " " : "", module_str ? module_str : "", txt); else if (addr) os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", MAC2STR(addr), module_str ? " " : "", module_str ? module_str : "", txt); else os_snprintf(format, maxlen, "%s%s%s", module_str ? module_str : "", module_str ? ": " : "", txt); #ifdef CONFIG_DEBUG_SYSLOG if (wpa_debug_syslog) conf_stdout = 0; #endif /* CONFIG_DEBUG_SYSLOG */ if ((conf_stdout & module) && level >= conf_stdout_level) { wpa_debug_print_timestamp(); wpa_printf(MSG_INFO, "%s", format); } #ifndef CONFIG_NATIVE_WINDOWS if ((conf_syslog & module) && level >= conf_syslog_level) { int priority; switch (level) { case HOSTAPD_LEVEL_DEBUG_VERBOSE: case HOSTAPD_LEVEL_DEBUG: priority = LOG_DEBUG; break; case HOSTAPD_LEVEL_INFO: priority = LOG_INFO; break; case HOSTAPD_LEVEL_NOTICE: priority = LOG_NOTICE; break; case HOSTAPD_LEVEL_WARNING: priority = LOG_WARNING; break; default: priority = LOG_INFO; break; } syslog(priority, "%s", format); } #endif /* CONFIG_NATIVE_WINDOWS */ os_free(format); } #endif /* CONFIG_NO_HOSTAPD_LOGGER */ /** * hostapd_driver_init - Preparate driver interface */ static int hostapd_driver_init(struct hostapd_iface *iface) { struct wpa_init_params params; size_t i; struct hostapd_data *hapd = iface->bss[0]; struct hostapd_bss_config *conf = hapd->conf; u8 *b = conf->bssid; struct wpa_driver_capa capa; if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); return -1; } /* Initialize the driver interface */ if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) b = NULL; os_memset(¶ms, 0, sizeof(params)); for (i = 0; wpa_drivers[i]; i++) { if (wpa_drivers[i] != hapd->driver) continue; if (global.drv_priv[i] == NULL && wpa_drivers[i]->global_init) { global.drv_priv[i] = wpa_drivers[i]->global_init(iface->interfaces); if (global.drv_priv[i] == NULL) { wpa_printf(MSG_ERROR, "Failed to initialize " "driver '%s'", wpa_drivers[i]->name); return -1; } } params.global_priv = global.drv_priv[i]; break; } params.bssid = b; params.ifname = hapd->conf->iface; params.driver_params = hapd->iconf->driver_params; params.use_pae_group_addr = hapd->conf->use_pae_group_addr; params.num_bridge = hapd->iface->num_bss; params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); if (params.bridge == NULL) return -1; for (i = 0; i < hapd->iface->num_bss; i++) { struct hostapd_data *bss = hapd->iface->bss[i]; if (bss->conf->bridge[0]) params.bridge[i] = bss->conf->bridge; } params.own_addr = hapd->own_addr; hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); os_free(params.bridge); if (hapd->drv_priv == NULL) { wpa_printf(MSG_ERROR, "%s driver initialization failed.", hapd->driver->name); hapd->driver = NULL; return -1; } if (hapd->driver->get_capa && hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { struct wowlan_triggers *triggs; iface->drv_flags = capa.flags; iface->drv_flags2 = capa.flags2; iface->probe_resp_offloads = capa.probe_resp_offloads; /* * Use default extended capa values from per-radio information */ iface->extended_capa = capa.extended_capa; iface->extended_capa_mask = capa.extended_capa_mask; iface->extended_capa_len = capa.extended_capa_len; iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; /* * Override extended capa with per-interface type (AP), if * available from the driver. */ hostapd_get_ext_capa(iface); triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); if (triggs && hapd->driver->set_wowlan) { if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) wpa_printf(MSG_ERROR, "set_wowlan failed"); } os_free(triggs); } return 0; } /** * hostapd_interface_init - Read configuration file and init BSS data * * This function is used to parse configuration file for a full interface (one * or more BSSes sharing the same radio) and allocate memory for the BSS * interfaces. No actual driver operations are started. */ static struct hostapd_iface * hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, const char *config_fname, int debug) { struct hostapd_iface *iface; int k; wpa_printf(MSG_DEBUG, "Configuration file: %s", config_fname); iface = hostapd_init(interfaces, config_fname); if (!iface) return NULL; if (if_name) { os_strlcpy(iface->conf->bss[0]->iface, if_name, sizeof(iface->conf->bss[0]->iface)); } iface->interfaces = interfaces; for (k = 0; k < debug; k++) { if (iface->bss[0]->conf->logger_stdout_level > 0) iface->bss[0]->conf->logger_stdout_level--; } if (iface->conf->bss[0]->iface[0] == '\0' && !hostapd_drv_none(iface->bss[0])) { wpa_printf(MSG_ERROR, "Interface name not specified in %s, nor by '-i' parameter", config_fname); hostapd_interface_deinit_free(iface); return NULL; } return iface; } /** * handle_term - SIGINT and SIGTERM handler to terminate hostapd process */ static void handle_term(int sig, void *signal_ctx) { wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); eloop_terminate(); } #ifndef CONFIG_NATIVE_WINDOWS static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) { if (hostapd_reload_config(iface) < 0) { wpa_printf(MSG_WARNING, "Failed to read new configuration " "file - continuing with old."); } return 0; } /** * handle_reload - SIGHUP handler to reload configuration */ static void handle_reload(int sig, void *signal_ctx) { struct hapd_interfaces *interfaces = signal_ctx; wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", sig); hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); } static void handle_dump_state(int sig, void *signal_ctx) { /* Not used anymore - ignore signal */ } #endif /* CONFIG_NATIVE_WINDOWS */ static int hostapd_global_init(struct hapd_interfaces *interfaces, const char *entropy_file) { int i; os_memset(&global, 0, sizeof(global)); hostapd_logger_register_cb(hostapd_logger_cb); if (eap_server_register_methods()) { wpa_printf(MSG_ERROR, "Failed to register EAP methods"); return -1; } if (eloop_init()) { wpa_printf(MSG_ERROR, "Failed to initialize event loop"); return -1; } interfaces->eloop_initialized = 1; random_init(entropy_file); #ifndef CONFIG_NATIVE_WINDOWS eloop_register_signal(SIGHUP, handle_reload, interfaces); eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); #endif /* CONFIG_NATIVE_WINDOWS */ eloop_register_signal_terminate(handle_term, interfaces); #ifndef CONFIG_NATIVE_WINDOWS openlog("hostapd", 0, LOG_DAEMON); #endif /* CONFIG_NATIVE_WINDOWS */ for (i = 0; wpa_drivers[i]; i++) global.drv_count++; if (global.drv_count == 0) { wpa_printf(MSG_ERROR, "No drivers enabled"); return -1; } global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); if (global.drv_priv == NULL) return -1; return 0; } static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) { int i; for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { if (!global.drv_priv[i]) continue; wpa_drivers[i]->global_deinit(global.drv_priv[i]); } os_free(global.drv_priv); global.drv_priv = NULL; #ifdef EAP_SERVER_TNC tncs_global_deinit(); #endif /* EAP_SERVER_TNC */ random_deinit(); if (eloop_initialized) eloop_destroy(); #ifndef CONFIG_NATIVE_WINDOWS closelog(); #endif /* CONFIG_NATIVE_WINDOWS */ eap_server_unregister_methods(); os_daemonize_terminate(pid_file); } static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, const char *pid_file) { #ifdef EAP_SERVER_TNC int tnc = 0; size_t i, k; for (i = 0; !tnc && i < ifaces->count; i++) { for (k = 0; k < ifaces->iface[i]->num_bss; k++) { if (ifaces->iface[i]->bss[0]->conf->tnc) { tnc++; break; } } } if (tnc && tncs_global_init() < 0) { wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); return -1; } #endif /* EAP_SERVER_TNC */ if (daemonize) { if (os_daemonize(pid_file)) { wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); return -1; } if (eloop_sock_requeue()) { wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", strerror(errno)); return -1; } } eloop_run(); return 0; } static void show_version(void) { fprintf(stderr, "hostapd v%s\n" "User space daemon for IEEE 802.11 AP management,\n" "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" "Copyright (c) 2002-2022, Jouni Malinen " "and contributors\n", VERSION_STR); } static void usage(void) { show_version(); fprintf(stderr, "\n" "usage: hostapd [-hdBKtv] [-P ] [-e ] " "\\\n" " [-g ] [-G ]\\\n" " [-i ]\\\n" " \n" "\n" "options:\n" " -h show this usage\n" " -d show more debug messages (-dd for even more)\n" " -B run daemon in the background\n" " -e entropy file\n" " -g global control interface path\n" " -G group for control interfaces\n" " -P PID file\n" " -K include key data in debug messages\n" #ifdef CONFIG_DEBUG_FILE " -f log output to debug file instead of stdout\n" #endif /* CONFIG_DEBUG_FILE */ #ifdef CONFIG_DEBUG_LINUX_TRACING " -T record to Linux tracing in addition to logging\n" " (records all messages regardless of debug verbosity)\n" #endif /* CONFIG_DEBUG_LINUX_TRACING */ " -i list of interface names to use\n" #ifdef CONFIG_DEBUG_SYSLOG " -s log output to syslog instead of stdout\n" #endif /* CONFIG_DEBUG_SYSLOG */ " -S start all the interfaces synchronously\n" " -t include timestamps in some debug messages\n" " -v show hostapd version\n"); exit(1); } static const char * hostapd_msg_ifname_cb(void *ctx) { struct hostapd_data *hapd = ctx; if (hapd && hapd->conf) return hapd->conf->iface; return NULL; } static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, const char *path) { #ifndef CONFIG_CTRL_IFACE_UDP char *pos; #endif /* !CONFIG_CTRL_IFACE_UDP */ os_free(interfaces->global_iface_path); interfaces->global_iface_path = os_strdup(path); if (interfaces->global_iface_path == NULL) return -1; #ifndef CONFIG_CTRL_IFACE_UDP pos = os_strrchr(interfaces->global_iface_path, '/'); if (pos == NULL) { wpa_printf(MSG_ERROR, "No '/' in the global control interface " "file"); os_free(interfaces->global_iface_path); interfaces->global_iface_path = NULL; return -1; } *pos = '\0'; interfaces->global_iface_name = pos + 1; #endif /* !CONFIG_CTRL_IFACE_UDP */ return 0; } static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, const char *group) { #ifndef CONFIG_NATIVE_WINDOWS struct group *grp; grp = getgrnam(group); if (grp == NULL) { wpa_printf(MSG_ERROR, "Unknown group '%s'", group); return -1; } interfaces->ctrl_iface_group = grp->gr_gid; #endif /* CONFIG_NATIVE_WINDOWS */ return 0; } static int hostapd_get_interface_names(char ***if_names, size_t *if_names_size, char *arg) { char *if_name, *tmp, **nnames; size_t i; if (!arg) return -1; if_name = strtok_r(arg, ",", &tmp); while (if_name) { nnames = os_realloc_array(*if_names, 1 + *if_names_size, sizeof(char *)); if (!nnames) goto fail; *if_names = nnames; (*if_names)[*if_names_size] = os_strdup(if_name); if (!(*if_names)[*if_names_size]) goto fail; (*if_names_size)++; if_name = strtok_r(NULL, ",", &tmp); } return 0; fail: for (i = 0; i < *if_names_size; i++) os_free((*if_names)[i]); os_free(*if_names); *if_names = NULL; *if_names_size = 0; return -1; } #ifdef CONFIG_WPS static int gen_uuid(const char *txt_addr) { u8 addr[ETH_ALEN]; u8 uuid[UUID_LEN]; char buf[100]; if (hwaddr_aton(txt_addr, addr) < 0) return -1; uuid_gen_mac_addr(addr, uuid); if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) return -1; printf("%s\n", buf); return 0; } #endif /* CONFIG_WPS */ #ifndef HOSTAPD_CLEANUP_INTERVAL #define HOSTAPD_CLEANUP_INTERVAL 10 #endif /* HOSTAPD_CLEANUP_INTERVAL */ static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) { hostapd_periodic_iface(iface); return 0; } /* Periodic cleanup tasks */ static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) { struct hapd_interfaces *interfaces = eloop_ctx; eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, hostapd_periodic, interfaces, NULL); hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); } int main(int argc, char *argv[]) { struct hapd_interfaces interfaces; int ret = 1; size_t i, j; int c, debug = 0, daemonize = 0; char *pid_file = NULL; const char *log_file = NULL; const char *entropy_file = NULL; char **bss_config = NULL, **tmp_bss; size_t num_bss_configs = 0; #ifdef CONFIG_DEBUG_LINUX_TRACING int enable_trace_dbg = 0; #endif /* CONFIG_DEBUG_LINUX_TRACING */ int start_ifaces_in_sync = 0; char **if_names = NULL; size_t if_names_size = 0; #ifdef CONFIG_DPP struct dpp_global_config dpp_conf; #endif /* CONFIG_DPP */ if (os_program_init()) return -1; os_memset(&interfaces, 0, sizeof(interfaces)); interfaces.reload_config = hostapd_reload_config; interfaces.config_read_cb = hostapd_config_read; interfaces.for_each_interface = hostapd_for_each_interface; interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; interfaces.driver_init = hostapd_driver_init; interfaces.global_iface_path = NULL; interfaces.global_iface_name = NULL; interfaces.global_ctrl_sock = -1; dl_list_init(&interfaces.global_ctrl_dst); #ifdef CONFIG_ETH_P_OUI dl_list_init(&interfaces.eth_p_oui); #endif /* CONFIG_ETH_P_OUI */ #ifdef CONFIG_DPP os_memset(&dpp_conf, 0, sizeof(dpp_conf)); dpp_conf.cb_ctx = &interfaces; #ifdef CONFIG_DPP2 dpp_conf.remove_bi = hostapd_dpp_remove_bi; #endif /* CONFIG_DPP2 */ interfaces.dpp = dpp_global_init(&dpp_conf); if (!interfaces.dpp) return -1; #endif /* CONFIG_DPP */ for (;;) { c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:"); if (c < 0) break; switch (c) { case 'h': usage(); break; case 'd': debug++; if (wpa_debug_level > 0) wpa_debug_level--; break; case 'B': daemonize++; break; case 'e': entropy_file = optarg; break; case 'f': log_file = optarg; break; case 'K': wpa_debug_show_keys++; break; case 'P': os_free(pid_file); pid_file = os_rel2abs_path(optarg); break; case 't': wpa_debug_timestamp++; break; #ifdef CONFIG_DEBUG_LINUX_TRACING case 'T': enable_trace_dbg = 1; break; #endif /* CONFIG_DEBUG_LINUX_TRACING */ case 'v': show_version(); exit(1); break; case 'g': if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) return -1; break; case 'G': if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) return -1; break; case 'b': tmp_bss = os_realloc_array(bss_config, num_bss_configs + 1, sizeof(char *)); if (tmp_bss == NULL) goto out; bss_config = tmp_bss; bss_config[num_bss_configs++] = optarg; break; #ifdef CONFIG_DEBUG_SYSLOG case 's': wpa_debug_syslog = 1; break; #endif /* CONFIG_DEBUG_SYSLOG */ case 'S': start_ifaces_in_sync = 1; break; #ifdef CONFIG_WPS case 'u': return gen_uuid(optarg); #endif /* CONFIG_WPS */ case 'i': if (hostapd_get_interface_names(&if_names, &if_names_size, optarg)) goto out; break; default: usage(); break; } } if (optind == argc && interfaces.global_iface_path == NULL && num_bss_configs == 0) usage(); wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); if (log_file) wpa_debug_open_file(log_file); if (!log_file && !wpa_debug_syslog) wpa_debug_setup_stdout(); #ifdef CONFIG_DEBUG_SYSLOG if (wpa_debug_syslog) wpa_debug_open_syslog(); #endif /* CONFIG_DEBUG_SYSLOG */ #ifdef CONFIG_DEBUG_LINUX_TRACING if (enable_trace_dbg) { int tret = wpa_debug_open_linux_tracing(); if (tret) { wpa_printf(MSG_ERROR, "Failed to enable trace logging"); return -1; } } #endif /* CONFIG_DEBUG_LINUX_TRACING */ interfaces.count = argc - optind; if (interfaces.count || num_bss_configs) { interfaces.iface = os_calloc(interfaces.count + num_bss_configs, sizeof(struct hostapd_iface *)); if (interfaces.iface == NULL) { wpa_printf(MSG_ERROR, "malloc failed"); return -1; } } if (hostapd_global_init(&interfaces, entropy_file)) { wpa_printf(MSG_ERROR, "Failed to initialize global context"); return -1; } eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, hostapd_periodic, &interfaces, NULL); if (fst_global_init()) { wpa_printf(MSG_ERROR, "Failed to initialize global FST context"); goto out; } #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) if (!fst_global_add_ctrl(fst_ctrl_cli)) wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ /* Allocate and parse configuration for full interface files */ for (i = 0; i < interfaces.count; i++) { char *if_name = NULL; if (i < if_names_size) if_name = if_names[i]; interfaces.iface[i] = hostapd_interface_init(&interfaces, if_name, argv[optind + i], debug); if (!interfaces.iface[i]) { wpa_printf(MSG_ERROR, "Failed to initialize interface"); goto out; } if (start_ifaces_in_sync) interfaces.iface[i]->need_to_start_in_sync = 1; } /* Allocate and parse configuration for per-BSS files */ for (i = 0; i < num_bss_configs; i++) { struct hostapd_iface *iface; char *fname; wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); fname = os_strchr(bss_config[i], ':'); if (fname == NULL) { wpa_printf(MSG_ERROR, "Invalid BSS config identifier '%s'", bss_config[i]); goto out; } *fname++ = '\0'; iface = hostapd_interface_init_bss(&interfaces, bss_config[i], fname, debug); if (iface == NULL) goto out; for (j = 0; j < interfaces.count; j++) { if (interfaces.iface[j] == iface) break; } if (j == interfaces.count) { struct hostapd_iface **tmp; tmp = os_realloc_array(interfaces.iface, interfaces.count + 1, sizeof(struct hostapd_iface *)); if (tmp == NULL) { hostapd_interface_deinit_free(iface); goto out; } interfaces.iface = tmp; interfaces.iface[interfaces.count++] = iface; } } /* * Enable configured interfaces. Depending on channel configuration, * this may complete full initialization before returning or use a * callback mechanism to complete setup in case of operations like HT * co-ex scans, ACS, or DFS are needed to determine channel parameters. * In such case, the interface will be enabled from eloop context within * hostapd_global_run(). */ interfaces.terminate_on_error = interfaces.count; for (i = 0; i < interfaces.count; i++) { if (hostapd_driver_init(interfaces.iface[i]) || hostapd_setup_interface(interfaces.iface[i])) goto out; } hostapd_global_ctrl_iface_init(&interfaces); if (hostapd_global_run(&interfaces, daemonize, pid_file)) { wpa_printf(MSG_ERROR, "Failed to start eloop"); goto out; } ret = 0; out: hostapd_global_ctrl_iface_deinit(&interfaces); /* Deinitialize all interfaces */ for (i = 0; i < interfaces.count; i++) { if (!interfaces.iface[i]) continue; interfaces.iface[i]->driver_ap_teardown = !!(interfaces.iface[i]->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); hostapd_interface_deinit_free(interfaces.iface[i]); interfaces.iface[i] = NULL; } os_free(interfaces.iface); interfaces.iface = NULL; interfaces.count = 0; #ifdef CONFIG_DPP dpp_global_deinit(interfaces.dpp); #endif /* CONFIG_DPP */ if (interfaces.eloop_initialized) eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); hostapd_global_deinit(pid_file, interfaces.eloop_initialized); os_free(pid_file); wpa_debug_close_syslog(); if (log_file) wpa_debug_close_file(); wpa_debug_close_linux_tracing(); os_free(bss_config); for (i = 0; i < if_names_size; i++) os_free(if_names[i]); os_free(if_names); fst_global_deinit(); os_program_deinit(); return ret; }