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Diffstat (limited to 'contrib/hostapd/hostapd.c')
| -rw-r--r-- | contrib/hostapd/hostapd.c | 1936 |
1 files changed, 0 insertions, 1936 deletions
diff --git a/contrib/hostapd/hostapd.c b/contrib/hostapd/hostapd.c deleted file mode 100644 index 87a5523..0000000 --- a/contrib/hostapd/hostapd.c +++ /dev/null @@ -1,1936 +0,0 @@ -/* - * hostapd / Initialization and configuration - * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Alternatively, this software may be distributed under the terms of BSD - * license. - * - * See README and COPYING for more details. - */ - -#include "includes.h" -#ifndef CONFIG_NATIVE_WINDOWS -#include <syslog.h> -#endif /* CONFIG_NATIVE_WINDOWS */ - -#include "eloop.h" -#include "hostapd.h" -#include "ieee802_1x.h" -#include "ieee802_11.h" -#include "beacon.h" -#include "hw_features.h" -#include "accounting.h" -#include "eapol_sm.h" -#include "iapp.h" -#include "ap.h" -#include "ieee802_11_auth.h" -#include "ap_list.h" -#include "sta_info.h" -#include "driver.h" -#include "radius_client.h" -#include "radius_server.h" -#include "wpa.h" -#include "preauth.h" -#include "wme.h" -#include "vlan_init.h" -#include "ctrl_iface.h" -#include "tls.h" -#include "eap_sim_db.h" -#include "eap.h" -#include "version.h" - - -struct hapd_interfaces { - size_t count; - struct hostapd_iface **iface; -}; - -unsigned char rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; - - -extern int wpa_debug_level; -extern int wpa_debug_show_keys; -extern int wpa_debug_timestamp; - - -void hostapd_logger(struct hostapd_data *hapd, const u8 *addr, - unsigned int module, int level, const char *fmt, ...) -{ - char *format, *module_str; - int maxlen; - va_list ap; - int conf_syslog_level, conf_stdout_level; - unsigned int conf_syslog, conf_stdout; - - maxlen = strlen(fmt) + 100; - format = 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_IAPP: - module_str = "IAPP"; - break; - case HOSTAPD_MODULE_MLME: - module_str = "MLME"; - break; - default: - module_str = NULL; - break; - } - - if (hapd && hapd->conf && addr) - snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", - hapd->conf->iface, MAC2STR(addr), - module_str ? " " : "", module_str, fmt); - else if (hapd && hapd->conf) - snprintf(format, maxlen, "%s:%s%s %s", - hapd->conf->iface, module_str ? " " : "", - module_str, fmt); - else if (addr) - snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", - MAC2STR(addr), module_str ? " " : "", - module_str, fmt); - else - snprintf(format, maxlen, "%s%s%s", - module_str, module_str ? ": " : "", fmt); - - if ((conf_stdout & module) && level >= conf_stdout_level) { - wpa_debug_print_timestamp(); - va_start(ap, fmt); - vprintf(format, ap); - va_end(ap); - printf("\n"); - } - -#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; - } - va_start(ap, fmt); - vsyslog(priority, format, ap); - va_end(ap); - } -#endif /* CONFIG_NATIVE_WINDOWS */ - - free(format); -} - - -const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf, - size_t buflen) -{ - if (buflen == 0 || addr == NULL) - return NULL; - - if (addr->af == AF_INET) { - snprintf(buf, buflen, "%s", inet_ntoa(addr->u.v4)); - } else { - buf[0] = '\0'; - } -#ifdef CONFIG_IPV6 - if (addr->af == AF_INET6) { - if (inet_ntop(AF_INET6, &addr->u.v6, buf, buflen) == NULL) - buf[0] = '\0'; - } -#endif /* CONFIG_IPV6 */ - - return buf; -} - - -int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b) -{ - if (a == NULL && b == NULL) - return 0; - if (a == NULL || b == NULL) - return 1; - - switch (a->af) { - case AF_INET: - if (a->u.v4.s_addr != b->u.v4.s_addr) - return 1; - break; -#ifdef CONFIG_IPV6 - case AF_INET6: - if (memcpy(&a->u.v6, &b->u.v6, sizeof(a->u.v6)) - != 0) - return 1; - break; -#endif /* CONFIG_IPV6 */ - } - - return 0; -} - - -static void hostapd_deauth_all_stas(struct hostapd_data *hapd) -{ -#if 0 - u8 addr[ETH_ALEN]; - - memset(addr, 0xff, ETH_ALEN); - hostapd_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID); -#else - /* New Prism2.5/3 STA firmware versions seem to have issues with this - * broadcast deauth frame. This gets the firmware in odd state where - * nothing works correctly, so let's skip sending this for a while - * until the issue has been resolved. */ -#endif -} - - -/** - * hostapd_prune_associations - Remove extraneous associations - * @hapd: Pointer to BSS data for the most recent association - * @sta: Pointer to the associated STA data - * - * This function looks through all radios and BSS's for previous - * (stale) associations of STA. If any are found they are removed. - */ -static void hostapd_prune_associations(struct hostapd_data *hapd, - struct sta_info *sta) -{ - struct sta_info *osta; - struct hostapd_data *ohapd; - size_t i, j; - struct hapd_interfaces *interfaces = eloop_get_user_data(); - - for (i = 0; i < interfaces->count; i++) { - for (j = 0; j < interfaces->iface[i]->num_bss; j++) { - ohapd = interfaces->iface[i]->bss[j]; - if (ohapd == hapd) - continue; - osta = ap_get_sta(ohapd, sta->addr); - if (!osta) - continue; - - ap_sta_disassociate(ohapd, osta, - WLAN_REASON_UNSPECIFIED); - } - } -} - - -/** - * hostapd_new_assoc_sta - Notify that a new station associated with the AP - * @hapd: Pointer to BSS data - * @sta: Pointer to the associated STA data - * @reassoc: 1 to indicate this was a re-association; 0 = first association - * - * This function will be called whenever a station associates with the AP. It - * can be called for ieee802_11.c for drivers that export MLME to hostapd and - * from driver_*.c for drivers that take care of management frames (IEEE 802.11 - * authentication and association) internally. - */ -void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, - int reassoc) -{ - if (hapd->tkip_countermeasures) { - hostapd_sta_deauth(hapd, sta->addr, - WLAN_REASON_MICHAEL_MIC_FAILURE); - return; - } - - hostapd_prune_associations(hapd, sta); - - /* IEEE 802.11F (IAPP) */ - if (hapd->conf->ieee802_11f) - iapp_new_station(hapd->iapp, sta); - - /* Start accounting here, if IEEE 802.1X and WPA are not used. - * IEEE 802.1X/WPA code will start accounting after the station has - * been authorized. */ - if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) - accounting_sta_start(hapd, sta); - - hostapd_wme_sta_config(hapd, sta); - - /* Start IEEE 802.1X authentication process for new stations */ - ieee802_1x_new_station(hapd, sta); - if (reassoc) - wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH); - else - wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm); -} - - -#ifdef EAP_SERVER -static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd, - struct sta_info *sta, void *ctx) -{ - if (eapol_sm_eap_pending_cb(sta->eapol_sm, ctx) == 0) - return 1; - return 0; -} - - -static void hostapd_sim_db_cb(void *ctx, void *session_ctx) -{ - struct hostapd_data *hapd = ctx; - if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) - radius_server_eap_pending_cb(hapd->radius_srv, session_ctx); -} -#endif /* EAP_SERVER */ - - -static void handle_term(int sig, void *eloop_ctx, void *signal_ctx) -{ - printf("Signal %d received - terminating\n", sig); - eloop_terminate(); -} - - -static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, - struct wpa_auth_config *wconf) -{ - wconf->wpa = conf->wpa; - wconf->wpa_key_mgmt = conf->wpa_key_mgmt; - wconf->wpa_pairwise = conf->wpa_pairwise; - wconf->wpa_group = conf->wpa_group; - wconf->wpa_group_rekey = conf->wpa_group_rekey; - wconf->wpa_strict_rekey = conf->wpa_strict_rekey; - wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; - wconf->rsn_preauth = conf->rsn_preauth; - wconf->eapol_version = conf->eapol_version; - wconf->peerkey = conf->peerkey; - wconf->wme_enabled = conf->wme_enabled; -#ifdef CONFIG_IEEE80211W - wconf->ieee80211w = conf->ieee80211w; -#endif /* CONFIG_IEEE80211W */ -} - - -#ifndef CONFIG_NATIVE_WINDOWS -static void handle_reload(int sig, void *eloop_ctx, void *signal_ctx) -{ - struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx; - struct hostapd_config *newconf; - size_t i; - struct wpa_auth_config wpa_auth_conf; - - printf("Signal %d received - reloading configuration\n", sig); - - for (i = 0; i < hapds->count; i++) { - struct hostapd_data *hapd = hapds->iface[i]->bss[0]; - newconf = hostapd_config_read(hapds->iface[i]->config_fname); - if (newconf == NULL) { - printf("Failed to read new configuration file - " - "continuing with old.\n"); - continue; - } - /* TODO: update dynamic data based on changed configuration - * items (e.g., open/close sockets, remove stations added to - * deny list, etc.) */ - radius_client_flush(hapd->radius, 0); - hostapd_config_free(hapd->iconf); - - hostapd_wpa_auth_conf(&newconf->bss[0], &wpa_auth_conf); - wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); - - hapd->iconf = newconf; - hapd->conf = &newconf->bss[0]; - hapds->iface[i]->conf = newconf; - - if (hostapd_setup_wpa_psk(hapd->conf)) { - wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK " - "after reloading configuration"); - } - } -} - - -#ifdef HOSTAPD_DUMP_STATE -static void hostapd_dump_state(struct hostapd_data *hapd) -{ - FILE *f; - time_t now; - struct sta_info *sta; - int i; - char *buf; - - if (!hapd->conf->dump_log_name) { - printf("Dump file not defined - ignoring dump request\n"); - return; - } - - printf("Dumping hostapd state to '%s'\n", hapd->conf->dump_log_name); - f = fopen(hapd->conf->dump_log_name, "w"); - if (f == NULL) { - printf("Could not open dump file '%s' for writing.\n", - hapd->conf->dump_log_name); - return; - } - - time(&now); - fprintf(f, "hostapd state dump - %s", ctime(&now)); - fprintf(f, "num_sta=%d num_sta_non_erp=%d " - "num_sta_no_short_slot_time=%d\n" - "num_sta_no_short_preamble=%d\n", - hapd->num_sta, hapd->iface->num_sta_non_erp, - hapd->iface->num_sta_no_short_slot_time, - hapd->iface->num_sta_no_short_preamble); - - for (sta = hapd->sta_list; sta != NULL; sta = sta->next) { - fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr)); - - fprintf(f, - " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s\n" - " capability=0x%x listen_interval=%d\n", - sta->aid, - sta->flags, - (sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""), - (sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""), - (sta->flags & WLAN_STA_PS ? "[PS]" : ""), - (sta->flags & WLAN_STA_TIM ? "[TIM]" : ""), - (sta->flags & WLAN_STA_PERM ? "[PERM]" : ""), - (sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : - ""), - (sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" : - ""), - (sta->flags & WLAN_STA_SHORT_PREAMBLE ? - "[SHORT_PREAMBLE]" : ""), - (sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""), - (sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""), - sta->capability, - sta->listen_interval); - - fprintf(f, " supported_rates="); - for (i = 0; i < sta->supported_rates_len; i++) - fprintf(f, "%02x ", sta->supported_rates[i]); - fprintf(f, "\n"); - - fprintf(f, - " timeout_next=%s\n", - (sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" : - (sta->timeout_next == STA_DISASSOC ? "DISASSOC" : - "DEAUTH"))); - - ieee802_1x_dump_state(f, " ", sta); - } - - buf = malloc(4096); - if (buf) { - int count = radius_client_get_mib(hapd->radius, buf, 4096); - if (count < 0) - count = 0; - else if (count > 4095) - count = 4095; - buf[count] = '\0'; - fprintf(f, "%s", buf); - - count = radius_server_get_mib(hapd->radius_srv, buf, 4096); - if (count < 0) - count = 0; - else if (count > 4095) - count = 4095; - buf[count] = '\0'; - fprintf(f, "%s", buf); - free(buf); - } - fclose(f); -} -#endif /* HOSTAPD_DUMP_STATE */ - - -static void handle_dump_state(int sig, void *eloop_ctx, void *signal_ctx) -{ -#ifdef HOSTAPD_DUMP_STATE - struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx; - size_t i, j; - - for (i = 0; i < hapds->count; i++) { - struct hostapd_iface *hapd_iface = hapds->iface[i]; - for (j = 0; j < hapd_iface->num_bss; j++) - hostapd_dump_state(hapd_iface->bss[j]); - } -#endif /* HOSTAPD_DUMP_STATE */ -} -#endif /* CONFIG_NATIVE_WINDOWS */ - -static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd, - char *ifname) -{ - int i; - - for (i = 0; i < NUM_WEP_KEYS; i++) { - if (hostapd_set_encryption(ifname, hapd, "none", NULL, i, NULL, - 0, i == 0 ? 1 : 0)) { - printf("Failed to clear default encryption keys " - "(ifname=%s keyidx=%d)\n", ifname, i); - } - } -} - - -static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd) -{ - hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface); - return 0; -} - - -static int hostapd_broadcast_wep_set(struct hostapd_data *hapd) -{ - int errors = 0, idx; - struct hostapd_ssid *ssid = &hapd->conf->ssid; - - idx = ssid->wep.idx; - if (ssid->wep.default_len && - hostapd_set_encryption(hapd->conf->iface, - hapd, "WEP", NULL, idx, - ssid->wep.key[idx], - ssid->wep.len[idx], - idx == ssid->wep.idx)) { - printf("Could not set WEP encryption.\n"); - errors++; - } - - if (ssid->dyn_vlan_keys) { - size_t i; - for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) { - const char *ifname; - struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i]; - if (key == NULL) - continue; - ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, - i); - if (ifname == NULL) - continue; - - idx = key->idx; - if (hostapd_set_encryption(ifname, hapd, "WEP", NULL, - idx, key->key[idx], - key->len[idx], - idx == key->idx)) { - printf("Could not set dynamic VLAN WEP " - "encryption.\n"); - errors++; - } - } - } - - return errors; -} - -/** - * hostapd_cleanup - Per-BSS cleanup (deinitialization) - * @hapd: Pointer to BSS data - * - * This function is used to free all per-BSS data structures and resources. - * This gets called in a loop for each BSS between calls to - * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface - * is deinitialized. Most of the modules that are initialized in - * hostapd_setup_bss() are deinitialized here. - */ -static void hostapd_cleanup(struct hostapd_data *hapd) -{ - hostapd_ctrl_iface_deinit(hapd); - - free(hapd->default_wep_key); - hapd->default_wep_key = NULL; - iapp_deinit(hapd->iapp); - hapd->iapp = NULL; - accounting_deinit(hapd); - rsn_preauth_iface_deinit(hapd); - if (hapd->wpa_auth) { - wpa_deinit(hapd->wpa_auth); - hapd->wpa_auth = NULL; - - if (hostapd_set_privacy(hapd, 0)) { - wpa_printf(MSG_DEBUG, "Could not disable " - "PrivacyInvoked for interface %s", - hapd->conf->iface); - } - - if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { - wpa_printf(MSG_DEBUG, "Could not remove generic " - "information element from interface %s", - hapd->conf->iface); - } - } - ieee802_1x_deinit(hapd); - vlan_deinit(hapd); - hostapd_acl_deinit(hapd); - radius_client_deinit(hapd->radius); - hapd->radius = NULL; - radius_server_deinit(hapd->radius_srv); - hapd->radius_srv = NULL; - - hostapd_wireless_event_deinit(hapd); - -#ifdef EAP_TLS_FUNCS - if (hapd->ssl_ctx) { - tls_deinit(hapd->ssl_ctx); - hapd->ssl_ctx = NULL; - } -#endif /* EAP_TLS_FUNCS */ - -#ifdef EAP_SERVER - if (hapd->eap_sim_db_priv) { - eap_sim_db_deinit(hapd->eap_sim_db_priv); - hapd->eap_sim_db_priv = NULL; - } -#endif /* EAP_SERVER */ - - if (hapd->interface_added && - hostapd_bss_remove(hapd, hapd->conf->iface)) { - printf("Failed to remove BSS interface %s\n", - hapd->conf->iface); - } -} - - -/** - * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup - * @iface: Pointer to interface data - * - * This function is called before per-BSS data structures are deinitialized - * with hostapd_cleanup(). - */ -static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface) -{ -} - - -/** - * hostapd_cleanup_iface - Complete per-interface cleanup - * @iface: Pointer to interface data - * - * This function is called after per-BSS data structures are deinitialized - * with hostapd_cleanup(). - */ -static void hostapd_cleanup_iface(struct hostapd_iface *iface) -{ - hostapd_free_hw_features(iface->hw_features, iface->num_hw_features); - iface->hw_features = NULL; - free(iface->current_rates); - iface->current_rates = NULL; - ap_list_deinit(iface); - hostapd_config_free(iface->conf); - iface->conf = NULL; - - free(iface->config_fname); - free(iface->bss); - free(iface); -} - - -static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd) -{ - int i; - - hostapd_broadcast_wep_set(hapd); - - if (hapd->conf->ssid.wep.default_len) - return 0; - - for (i = 0; i < 4; i++) { - if (hapd->conf->ssid.wep.key[i] && - hostapd_set_encryption(iface, hapd, "WEP", NULL, - i, hapd->conf->ssid.wep.key[i], - hapd->conf->ssid.wep.len[i], - i == hapd->conf->ssid.wep.idx)) { - printf("Could not set WEP encryption.\n"); - return -1; - } - if (hapd->conf->ssid.wep.key[i] && - i == hapd->conf->ssid.wep.idx) - hostapd_set_privacy(hapd, 1); - } - - return 0; -} - - -static int hostapd_flush_old_stations(struct hostapd_data *hapd) -{ - int ret = 0; - - wpa_printf(MSG_DEBUG, "Flushing old station entries"); - if (hostapd_flush(hapd)) { - printf("Could not connect to kernel driver.\n"); - ret = -1; - } - wpa_printf(MSG_DEBUG, "Deauthenticate all stations"); - hostapd_deauth_all_stas(hapd); - - return ret; -} - - -static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, - logger_level level, const char *txt) -{ - struct hostapd_data *hapd = ctx; - int hlevel; - - switch (level) { - case LOGGER_WARNING: - hlevel = HOSTAPD_LEVEL_WARNING; - break; - case LOGGER_INFO: - hlevel = HOSTAPD_LEVEL_INFO; - break; - case LOGGER_DEBUG: - default: - hlevel = HOSTAPD_LEVEL_DEBUG; - break; - } - - hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); -} - - -static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, - u16 reason) -{ - struct hostapd_data *hapd = ctx; - struct sta_info *sta; - - wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " - "STA " MACSTR " reason %d", - __func__, MAC2STR(addr), reason); - - sta = ap_get_sta(hapd, addr); - hostapd_sta_deauth(hapd, addr, reason); - if (sta == NULL) - return; - sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_AUTHORIZED); - eloop_cancel_timeout(ap_handle_timer, hapd, sta); - eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta); - sta->timeout_next = STA_REMOVE; -} - - -static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) -{ - struct hostapd_data *hapd = ctx; - ieee80211_michael_mic_failure(hapd, addr, 0); -} - - -static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, - wpa_eapol_variable var, int value) -{ - struct hostapd_data *hapd = ctx; - struct sta_info *sta = ap_get_sta(hapd, addr); - if (sta == NULL) - return; - switch (var) { - case WPA_EAPOL_portEnabled: - ieee802_1x_notify_port_enabled(sta->eapol_sm, value); - break; - case WPA_EAPOL_portValid: - ieee802_1x_notify_port_valid(sta->eapol_sm, value); - break; - case WPA_EAPOL_authorized: - ieee802_1x_set_sta_authorized(hapd, sta, value); - break; - case WPA_EAPOL_portControl_Auto: - if (sta->eapol_sm) - sta->eapol_sm->portControl = Auto; - break; - case WPA_EAPOL_keyRun: - if (sta->eapol_sm) - sta->eapol_sm->keyRun = value ? TRUE : FALSE; - break; - case WPA_EAPOL_keyAvailable: - if (sta->eapol_sm) - sta->eapol_sm->keyAvailable = value ? TRUE : FALSE; - break; - case WPA_EAPOL_keyDone: - if (sta->eapol_sm) - sta->eapol_sm->keyDone = value ? TRUE : FALSE; - break; - case WPA_EAPOL_inc_EapolFramesTx: - if (sta->eapol_sm) - sta->eapol_sm->dot1xAuthEapolFramesTx++; - break; - } -} - - -static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, - wpa_eapol_variable var) -{ - struct hostapd_data *hapd = ctx; - struct sta_info *sta = ap_get_sta(hapd, addr); - if (sta == NULL || sta->eapol_sm == NULL) - return -1; - switch (var) { - case WPA_EAPOL_keyRun: - return sta->eapol_sm->keyRun; - case WPA_EAPOL_keyAvailable: - return sta->eapol_sm->keyAvailable; - default: - return -1; - } -} - - -static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, - const u8 *prev_psk) -{ - struct hostapd_data *hapd = ctx; - return hostapd_get_psk(hapd->conf, addr, prev_psk); -} - - -static int hostapd_wpa_auth_get_pmk(void *ctx, const u8 *addr, u8 *pmk, - size_t *len) -{ - struct hostapd_data *hapd = ctx; - u8 *key; - size_t keylen; - struct sta_info *sta; - - sta = ap_get_sta(hapd, addr); - if (sta == NULL) - return -1; - - key = ieee802_1x_get_key_crypt(sta->eapol_sm, &keylen); - if (key == NULL) - return -1; - - if (keylen > *len) - keylen = WPA_PMK_LEN; - memcpy(pmk, key, keylen); - *len = keylen; - return 0; -} - - -static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, const char *alg, - const u8 *addr, int idx, u8 *key, - size_t key_len) -{ - struct hostapd_data *hapd = ctx; - const char *ifname = hapd->conf->iface; - - if (vlan_id > 0) { - ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); - if (ifname == NULL) - return -1; - } - - return hostapd_set_encryption(ifname, hapd, alg, addr, idx, - key, key_len, 1); -} - - -static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, - u8 *seq) -{ - struct hostapd_data *hapd = ctx; - return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); -} - - -static int hostapd_wpa_auth_get_seqnum_igtk(void *ctx, const u8 *addr, int idx, - u8 *seq) -{ - struct hostapd_data *hapd = ctx; - return hostapd_get_seqnum_igtk(hapd->conf->iface, hapd, addr, idx, - seq); -} - - -static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, - const u8 *data, size_t data_len, - int encrypt) -{ - struct hostapd_data *hapd = ctx; - return hostapd_send_eapol(hapd, addr, data, data_len, encrypt); -} - - -static int hostapd_wpa_auth_for_each_sta( - void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), - void *cb_ctx) -{ - struct hostapd_data *hapd = ctx; - struct sta_info *sta; - - for (sta = hapd->sta_list; sta; sta = sta->next) { - if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) - return 1; - } - return 0; -} - - -/** - * hostapd_validate_bssid_configuration - Validate BSSID configuration - * @iface: Pointer to interface data - * Returns: 0 on success, -1 on failure - * - * This function is used to validate that the configured BSSIDs are valid. - */ -static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface) -{ - u8 mask[ETH_ALEN] = { 0 }; - struct hostapd_data *hapd = iface->bss[0]; - unsigned int i = iface->conf->num_bss, bits = 0, j; - int res; - - /* Generate BSSID mask that is large enough to cover the BSSIDs. */ - - /* Determine the bits necessary to cover the number of BSSIDs. */ - for (i--; i; i >>= 1) - bits++; - - /* Determine the bits necessary to any configured BSSIDs, - if they are higher than the number of BSSIDs. */ - for (j = 0; j < iface->conf->num_bss; j++) { - if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) - continue; - - for (i = 0; i < ETH_ALEN; i++) { - mask[i] |= - iface->conf->bss[j].bssid[i] ^ - hapd->own_addr[i]; - } - } - - for (i = 0; i < ETH_ALEN && mask[i] == 0; i++) - ; - j = 0; - if (i < ETH_ALEN) { - j = (5 - i) * 8; - - while (mask[i] != 0) { - mask[i] >>= 1; - j++; - } - } - - if (bits < j) - bits = j; - - if (bits > 40) - return -1; - - memset(mask, 0xff, ETH_ALEN); - j = bits / 8; - for (i = 5; i > 5 - j; i--) - mask[i] = 0; - j = bits % 8; - while (j--) - mask[i] <<= 1; - - HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "BSS count %lu, BSSID mask " - MACSTR " (%d bits)\n", - (unsigned long) iface->conf->num_bss, MAC2STR(mask), - bits); - - res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask); - if (res == 0) - return 0; - - if (res < 0) { - printf("Driver did not accept BSSID mask " MACSTR " for start " - "address " MACSTR ".\n", - MAC2STR(mask), MAC2STR(hapd->own_addr)); - return -1; - } - - for (i = 0; i < ETH_ALEN; i++) { - if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) { - printf("Invalid BSSID mask " MACSTR " for start " - "address " MACSTR ".\n" - "Start address must be the first address in the" - " block (i.e., addr AND mask == addr).\n", - MAC2STR(mask), MAC2STR(hapd->own_addr)); - return -1; - } - } - - return 0; -} - - -static int mac_in_conf(struct hostapd_config *conf, const void *a) -{ - size_t i; - - for (i = 0; i < conf->num_bss; i++) { - if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) { - return 1; - } - } - - return 0; -} - - -/** - * hostapd_setup_bss - Per-BSS setup (initialization) - * @hapd: Pointer to BSS data - * @first: Whether this BSS is the first BSS of an interface - * - * This function is used to initialize all per-BSS data structures and - * resources. This gets called in a loop for each BSS when an interface is - * initialized. Most of the modules that are initialized here will be - * deinitialized in hostapd_cleanup(). - */ -static int hostapd_setup_bss(struct hostapd_data *hapd, int first) -{ - struct hostapd_bss_config *conf = hapd->conf; - u8 ssid[HOSTAPD_MAX_SSID_LEN + 1]; - int ssid_len, set_ssid; - - if (!first) { - if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) { - /* Allocate the next available BSSID. */ - do { - inc_byte_array(hapd->own_addr, ETH_ALEN); - } while (mac_in_conf(hapd->iconf, hapd->own_addr)); - } else { - /* Allocate the configured BSSID. */ - memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN); - - if (hostapd_mac_comp(hapd->own_addr, - hapd->iface->bss[0]->own_addr) == - 0) { - printf("BSS '%s' may not have BSSID " - "set to the MAC address of the radio\n", - hapd->conf->iface); - return -1; - } - } - - hapd->interface_added = 1; - if (hostapd_bss_add(hapd->iface->bss[0], hapd->conf->iface, - hapd->own_addr)) { - printf("Failed to add BSS (BSSID=" MACSTR ")\n", - MAC2STR(hapd->own_addr)); - return -1; - } - } - - /* - * Fetch the SSID from the system and use it or, - * if one was specified in the config file, verify they - * match. - */ - ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid)); - if (ssid_len < 0) { - printf("Could not read SSID from system\n"); - return -1; - } - if (conf->ssid.ssid_set) { - /* - * If SSID is specified in the config file and it differs - * from what is being used then force installation of the - * new SSID. - */ - set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len || - memcmp(conf->ssid.ssid, ssid, ssid_len) != 0); - } else { - /* - * No SSID in the config file; just use the one we got - * from the system. - */ - set_ssid = 0; - conf->ssid.ssid_len = ssid_len; - memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len); - conf->ssid.ssid[conf->ssid.ssid_len] = '\0'; - } - - printf("Using interface %s with hwaddr " MACSTR " and ssid '%s'\n", - hapd->conf->iface, MAC2STR(hapd->own_addr), - hapd->conf->ssid.ssid); - - if (hostapd_setup_wpa_psk(conf)) { - printf("WPA-PSK setup failed.\n"); - return -1; - } - - /* Set flag for whether SSID is broadcast in beacons */ - if (hostapd_set_broadcast_ssid(hapd, - !!hapd->conf->ignore_broadcast_ssid)) { - printf("Could not set broadcast SSID flag for kernel " - "driver\n"); - return -1; - } - - if (hostapd_set_dtim_period(hapd, hapd->conf->dtim_period)) { - printf("Could not set DTIM period for kernel driver\n"); - return -1; - } - - /* Set SSID for the kernel driver (to be used in beacon and probe - * response frames) */ - if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid, - conf->ssid.ssid_len)) { - printf("Could not set SSID for kernel driver\n"); - return -1; - } - - if (HOSTAPD_DEBUG_COND(HOSTAPD_DEBUG_MSGDUMPS)) - conf->radius->msg_dumps = 1; - hapd->radius = radius_client_init(hapd, conf->radius); - if (hapd->radius == NULL) { - printf("RADIUS client initialization failed.\n"); - return -1; - } - - if (hostapd_acl_init(hapd)) { - printf("ACL initialization failed.\n"); - return -1; - } - if (ieee802_1x_init(hapd)) { - printf("IEEE 802.1X initialization failed.\n"); - return -1; - } - - if (hapd->conf->wpa) { - struct wpa_auth_config _conf; - struct wpa_auth_callbacks cb; - const u8 *wpa_ie; - size_t wpa_ie_len; - - hostapd_wpa_auth_conf(hapd->conf, &_conf); - memset(&cb, 0, sizeof(cb)); - cb.ctx = hapd; - cb.logger = hostapd_wpa_auth_logger; - cb.disconnect = hostapd_wpa_auth_disconnect; - cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; - cb.set_eapol = hostapd_wpa_auth_set_eapol; - cb.get_eapol = hostapd_wpa_auth_get_eapol; - cb.get_psk = hostapd_wpa_auth_get_psk; - cb.get_pmk = hostapd_wpa_auth_get_pmk; - cb.set_key = hostapd_wpa_auth_set_key; - cb.get_seqnum = hostapd_wpa_auth_get_seqnum; - cb.get_seqnum_igtk = hostapd_wpa_auth_get_seqnum_igtk; - cb.send_eapol = hostapd_wpa_auth_send_eapol; - cb.for_each_sta = hostapd_wpa_auth_for_each_sta; - hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); - if (hapd->wpa_auth == NULL) { - printf("WPA initialization failed.\n"); - return -1; - } - - if (hostapd_set_privacy(hapd, 1)) { - wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " - "for interface %s", hapd->conf->iface); - return -1; - } - - wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); - if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { - wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " - "the kernel driver."); - return -1; - } - - if (rsn_preauth_iface_init(hapd)) { - printf("Initialization of RSN pre-authentication " - "failed.\n"); - return -1; - } - } - - if (accounting_init(hapd)) { - printf("Accounting initialization failed.\n"); - return -1; - } - - if (hapd->conf->ieee802_11f && - (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) { - printf("IEEE 802.11F (IAPP) initialization failed.\n"); - return -1; - } - - if (hostapd_ctrl_iface_init(hapd)) { - printf("Failed to setup control interface\n"); - return -1; - } - - ieee802_11_set_beacon(hapd); - - if (vlan_init(hapd)) { - printf("VLAN initialization failed.\n"); - return -1; - } - - return 0; -} - - -/** - * setup_interface2 - Setup (initialize) an interface (part 2) - * @iface: Pointer to interface data. - * Returns: 0 on success; -1 on failure. - * - * Flushes old stations, sets the channel, DFS parameters, encryption, - * beacons, and WDS links based on the configuration. - */ -static int setup_interface2(struct hostapd_iface *iface) -{ - struct hostapd_data *hapd = iface->bss[0]; - int freq; - size_t j; - int ret = 0; - u8 *prev_addr; - - hostapd_flush_old_stations(hapd); - hostapd_set_privacy(hapd, 0); - - if (hapd->iconf->channel) { - freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel); - printf("Mode: %s Channel: %d Frequency: %d MHz\n", - hostapd_hw_mode_txt(hapd->iconf->hw_mode), - hapd->iconf->channel, freq); - - if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, freq)) { - printf("Could not set channel for kernel driver\n"); - return -1; - } - } - - hostapd_broadcast_wep_clear(hapd); - if (hostapd_setup_encryption(hapd->conf->iface, hapd)) - return -1; - - hostapd_set_beacon_int(hapd, hapd->iconf->beacon_int); - ieee802_11_set_beacon(hapd); - - if (hapd->iconf->rts_threshold > -1 && - hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) { - printf("Could not set RTS threshold for kernel driver\n"); - return -1; - } - - if (hapd->iconf->fragm_threshold > -1 && - hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) { - printf("Could not set fragmentation threshold for kernel " - "driver\n"); - return -1; - } - - prev_addr = hapd->own_addr; - - for (j = 0; j < iface->num_bss; j++) { - hapd = iface->bss[j]; - if (j) - memcpy(hapd->own_addr, prev_addr, ETH_ALEN); - if (hostapd_setup_bss(hapd, j == 0)) - return -1; - if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) - prev_addr = hapd->own_addr; - } - - ap_list_init(iface); - - if (hostapd_driver_commit(hapd) < 0) { - wpa_printf(MSG_ERROR, "%s: Failed to commit driver " - "configuration", __func__); - return -1; - } - - return ret; -} - - -static void setup_interface_start(void *eloop_data, void *user_ctx); -static void setup_interface2_handler(void *eloop_data, void *user_ctx); - -/** - * setup_interface_finalize - Finish setup interface & call the callback - * @iface: Pointer to interface data. - * @status: Status of the setup interface (0 on success; -1 on failure). - * Returns: 0 on success; -1 on failure (e.g., was not in progress). - */ -static int setup_interface_finalize(struct hostapd_iface *iface, int status) -{ - hostapd_iface_cb cb; - - if (!iface->setup_cb) - return -1; - - eloop_cancel_timeout(setup_interface_start, iface, NULL); - eloop_cancel_timeout(setup_interface2_handler, iface, NULL); - hostapd_select_hw_mode_stop(iface); - - cb = iface->setup_cb; - - iface->setup_cb = NULL; - - cb(iface, status); - - return 0; -} - - -/** - * setup_interface2_wrapper - Wrapper for setup_interface2() - * @iface: Pointer to interface data. - * @status: Status of the hw mode select. - * - * Wrapper for setup_interface2() to calls finalize function upon completion. - */ -static void setup_interface2_wrapper(struct hostapd_iface *iface, int status) -{ - int ret = status; - if (ret) - printf("Could not select hw_mode and channel. (%d)\n", ret); - else - ret = setup_interface2(iface); - - setup_interface_finalize(iface, ret); -} - - -/** - * setup_interface2_handler - Used for immediate call of setup_interface2 - * @eloop_data: Stores the struct hostapd_iface * for the interface. - * @user_ctx: Unused. - */ -static void setup_interface2_handler(void *eloop_data, void *user_ctx) -{ - struct hostapd_iface *iface = eloop_data; - - setup_interface2_wrapper(iface, 0); -} - - -/** - * setup_interface1 - Setup (initialize) an interface (part 1) - * @iface: Pointer to interface data - * Returns: 0 on success, -1 on failure - * - * Initializes the driver interface, validates the configuration, - * and sets driver parameters based on the configuration. - * Schedules setup_interface2() to be called immediately or after - * hardware mode setup takes place. - */ -static int setup_interface1(struct hostapd_iface *iface) -{ - struct hostapd_data *hapd = iface->bss[0]; - struct hostapd_bss_config *conf = hapd->conf; - size_t i; - char country[4]; - - /* - * Initialize the driver interface and make sure that all BSSes get - * configured with a pointer to this driver interface. - */ - if (hostapd_driver_init(hapd)) { - printf("%s driver initialization failed.\n", - hapd->driver ? hapd->driver->name : "Unknown"); - hapd->driver = NULL; - return -1; - } - for (i = 0; i < iface->num_bss; i++) - iface->bss[i]->driver = hapd->driver; - - if (hostapd_validate_bssid_configuration(iface)) - return -1; - - memcpy(country, hapd->iconf->country, 3); - country[3] = '\0'; - if (hostapd_set_country(hapd, country) < 0) { - printf("Failed to set country code\n"); - return -1; - } - - if (hapd->iconf->ieee80211d || hapd->iconf->ieee80211h) { - if (hostapd_set_ieee80211d(hapd, 1) < 0) { - printf("Failed to set ieee80211d (%d)\n", - hapd->iconf->ieee80211d); - return -1; - } - } - - if (hapd->iconf->bridge_packets != INTERNAL_BRIDGE_DO_NOT_CONTROL && - hostapd_set_internal_bridge(hapd, hapd->iconf->bridge_packets)) { - printf("Failed to set bridge_packets for kernel driver\n"); - return -1; - } - - if (conf->radius_server_clients) { - struct radius_server_conf srv; - memset(&srv, 0, sizeof(srv)); - srv.client_file = conf->radius_server_clients; - srv.auth_port = conf->radius_server_auth_port; - srv.hostapd_conf = conf; - srv.eap_sim_db_priv = hapd->eap_sim_db_priv; - srv.ssl_ctx = hapd->ssl_ctx; - srv.ipv6 = conf->radius_server_ipv6; - hapd->radius_srv = radius_server_init(&srv); - if (hapd->radius_srv == NULL) { - printf("RADIUS server initialization failed.\n"); - return -1; - } - } - - /* TODO: merge with hostapd_driver_init() ? */ - if (hostapd_wireless_event_init(hapd) < 0) - return -1; - - if (hostapd_get_hw_features(iface)) { - /* Not all drivers support this yet, so continue without hw - * feature data. */ - } else { - return hostapd_select_hw_mode_start(iface, - setup_interface2_wrapper); - } - - eloop_register_timeout(0, 0, setup_interface2_handler, iface, NULL); - return 0; -} - - -/** - * setup_interface_start - Handler to start setup interface - * @eloop_data: Stores the struct hostapd_iface * for the interface. - * @user_ctx: Unused. - * - * An eloop handler is used so that all errors can be processed by the - * callback without introducing stack recursion. - */ -static void setup_interface_start(void *eloop_data, void *user_ctx) -{ - struct hostapd_iface *iface = eloop_data; - - int ret; - - ret = setup_interface1(iface); - if (ret) - setup_interface_finalize(iface, ret); -} - - -/** - * hostapd_setup_interface_start - Start the setup of an interface - * @iface: Pointer to interface data. - * @cb: The function to callback when done. - * Returns: 0 if it starts successfully; cb will be called when done. - * -1 on failure; cb will not be called. - * - * Initializes the driver interface, validates the configuration, - * and sets driver parameters based on the configuration. - * Flushes old stations, sets the channel, DFS parameters, encryption, - * beacons, and WDS links based on the configuration. - */ -int hostapd_setup_interface_start(struct hostapd_iface *iface, - hostapd_iface_cb cb) -{ - if (iface->setup_cb) { - wpa_printf(MSG_DEBUG, - "%s: Interface setup already in progress.\n", - iface->bss[0]->conf->iface); - return -1; - } - - iface->setup_cb = cb; - - eloop_register_timeout(0, 0, setup_interface_start, iface, NULL); - - return 0; -} - - -/** - * hostapd_setup_interace_stop - Stops the setup of an interface - * @iface: Pointer to interface data - * Returns: 0 if successfully stopped; - * -1 on failure (i.e., was not in progress) - */ -int hostapd_setup_interface_stop(struct hostapd_iface *iface) -{ - return setup_interface_finalize(iface, -1); -} - - -struct driver { - struct driver *next; - char *name; - const struct driver_ops *ops; -}; -static struct driver *drivers = NULL; - -void driver_register(const char *name, const struct driver_ops *ops) -{ - struct driver *d; - - d = malloc(sizeof(struct driver)); - if (d == NULL) { - printf("Failed to register driver %s!\n", name); - return; - } - d->name = strdup(name); - if (d->name == NULL) { - printf("Failed to register driver %s!\n", name); - free(d); - return; - } - d->ops = ops; - - d->next = drivers; - drivers = d; -} - - -void driver_unregister(const char *name) -{ - struct driver *p, **pp; - - for (pp = &drivers; (p = *pp) != NULL; pp = &p->next) { - if (strcasecmp(p->name, name) == 0) { - *pp = p->next; - p->next = NULL; - free(p->name); - free(p); - break; - } - } -} - - -static void driver_unregister_all(void) -{ - struct driver *p, *pp; - p = drivers; - drivers = NULL; - while (p) { - pp = p; - p = p->next; - free(pp->name); - free(pp); - } -} - - -const struct driver_ops * driver_lookup(const char *name) -{ - struct driver *p; - - if (strcmp(name, "default") == 0) { - p = drivers; - while (p && p->next) - p = p->next; - return p->ops; - } - - for (p = drivers; p != NULL; p = p->next) { - if (strcasecmp(p->name, name) == 0) - return p->ops; - } - - return NULL; -} - - -static void show_version(void) -{ - fprintf(stderr, - "hostapd v" VERSION_STR "\n" - "User space daemon for IEEE 802.11 AP management,\n" - "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" - "Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> " - "and contributors\n"); -} - - -static void usage(void) -{ - show_version(); - fprintf(stderr, - "\n" - "usage: hostapd [-hdBKtv] [-P <PID file>] " - "<configuration file(s)>\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" - " -P PID file\n" - " -K include key data in debug messages\n" - " -t include timestamps in some debug messages\n" - " -v show hostapd version\n"); - - exit(1); -} - - -/** - * hostapd_alloc_bss_data - Allocate and initialize per-BSS data - * @hapd_iface: Pointer to interface data - * @conf: Pointer to per-interface configuration - * @bss: Pointer to per-BSS configuration for this BSS - * Returns: Pointer to allocated BSS data - * - * This function is used to allocate per-BSS data structure. This data will be - * freed after hostapd_cleanup() is called for it during interface - * deinitialization. - */ -static struct hostapd_data * -hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, - struct hostapd_config *conf, - struct hostapd_bss_config *bss) -{ - struct hostapd_data *hapd; - - hapd = wpa_zalloc(sizeof(*hapd)); - if (hapd == NULL) - return NULL; - - hapd->iconf = conf; - hapd->conf = bss; - hapd->iface = hapd_iface; - - if (hapd->conf->individual_wep_key_len > 0) { - /* use key0 in individual key and key1 in broadcast key */ - hapd->default_wep_key_idx = 1; - } - -#ifdef EAP_TLS_FUNCS - if (hapd->conf->eap_server && - (hapd->conf->ca_cert || hapd->conf->server_cert)) { - struct tls_connection_params params; - - hapd->ssl_ctx = tls_init(NULL); - if (hapd->ssl_ctx == NULL) { - printf("Failed to initialize TLS\n"); - goto fail; - } - - memset(¶ms, 0, sizeof(params)); - params.ca_cert = hapd->conf->ca_cert; - params.client_cert = hapd->conf->server_cert; - params.private_key = hapd->conf->private_key; - params.private_key_passwd = hapd->conf->private_key_passwd; - - if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) { - printf("Failed to set TLS parameters\n"); - goto fail; - } - - if (tls_global_set_verify(hapd->ssl_ctx, - hapd->conf->check_crl)) { - printf("Failed to enable check_crl\n"); - goto fail; - } - } -#endif /* EAP_TLS_FUNCS */ - -#ifdef EAP_SERVER - if (hapd->conf->eap_sim_db) { - hapd->eap_sim_db_priv = - eap_sim_db_init(hapd->conf->eap_sim_db, - hostapd_sim_db_cb, hapd); - if (hapd->eap_sim_db_priv == NULL) { - printf("Failed to initialize EAP-SIM database " - "interface\n"); - goto fail; - } - } -#endif /* EAP_SERVER */ - - if (hapd->conf->assoc_ap) - hapd->assoc_ap_state = WAIT_BEACON; - - /* FIX: need to fix this const vs. not */ - hapd->driver = (struct driver_ops *) hapd->iconf->driver; - - return hapd; - -#if defined(EAP_TLS_FUNCS) || defined(EAP_SERVER) -fail: -#endif - /* TODO: cleanup allocated resources(?) */ - free(hapd); - return NULL; -} - - -/** - * hostapd_init - Allocate and initialize per-interface data - * @config_file: Path to the configuration file - * Returns: Pointer to the allocated interface data or %NULL on failure - * - * This function is used to allocate main data structures for per-interface - * data. The allocated data buffer will be freed by calling - * hostapd_cleanup_iface(). - */ -static struct hostapd_iface * hostapd_init(const char *config_file) -{ - struct hostapd_iface *hapd_iface = NULL; - struct hostapd_config *conf = NULL; - struct hostapd_data *hapd; - size_t i; - - hapd_iface = wpa_zalloc(sizeof(*hapd_iface)); - if (hapd_iface == NULL) - goto fail; - - hapd_iface->config_fname = strdup(config_file); - if (hapd_iface->config_fname == NULL) - goto fail; - - conf = hostapd_config_read(hapd_iface->config_fname); - if (conf == NULL) - goto fail; - hapd_iface->conf = conf; - - hapd_iface->num_bss = conf->num_bss; - hapd_iface->bss = wpa_zalloc(conf->num_bss * - sizeof(struct hostapd_data *)); - if (hapd_iface->bss == NULL) - goto fail; - - for (i = 0; i < conf->num_bss; i++) { - hapd = hapd_iface->bss[i] = - hostapd_alloc_bss_data(hapd_iface, conf, - &conf->bss[i]); - if (hapd == NULL) - goto fail; - } - - return hapd_iface; - -fail: - if (conf) - hostapd_config_free(conf); - if (hapd_iface) { - for (i = 0; hapd_iface->bss && i < hapd_iface->num_bss; i++) { - hapd = hapd_iface->bss[i]; - if (hapd && hapd->ssl_ctx) - tls_deinit(hapd->ssl_ctx); - } - - free(hapd_iface->config_fname); - free(hapd_iface->bss); - free(hapd_iface); - } - return NULL; -} - - -/** - * register_drivers - Register driver interfaces - * - * This function is generated by Makefile (into driver_conf.c) to call all - * configured driver interfaces to register them to core hostapd. - */ -void register_drivers(void); - - -/** - * setup_interface_done - Callback when an interface is done being setup. - * @iface: Pointer to interface data. - * @status: Status of the interface setup (0 on success; -1 on failure). - */ -static void setup_interface_done(struct hostapd_iface *iface, int status) -{ - if (status) { - wpa_printf(MSG_DEBUG, "%s: Unable to setup interface.", - iface->bss[0]->conf->iface); - eloop_terminate(); - } else - wpa_printf(MSG_DEBUG, "%s: Setup of interface done.", - iface->bss[0]->conf->iface); -} - - -int main(int argc, char *argv[]) -{ - struct hapd_interfaces interfaces; - int ret = 1, k; - size_t i, j; - int c, debug = 0, daemonize = 0; - const char *pid_file = NULL; - - for (;;) { - c = getopt(argc, argv, "BdhKP:tv"); - 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 'K': - wpa_debug_show_keys++; - break; - case 'P': - pid_file = optarg; - break; - case 't': - wpa_debug_timestamp++; - break; - case 'v': - show_version(); - exit(1); - break; - - default: - usage(); - break; - } - } - - if (optind == argc) - usage(); - - register_drivers(); /* NB: generated by Makefile */ - - if (eap_server_register_methods()) { - wpa_printf(MSG_ERROR, "Failed to register EAP methods"); - return -1; - } - - interfaces.count = argc - optind; - - interfaces.iface = malloc(interfaces.count * - sizeof(struct hostapd_iface *)); - if (interfaces.iface == NULL) { - printf("malloc failed\n"); - exit(1); - } - - if (eloop_init(&interfaces)) { - wpa_printf(MSG_ERROR, "Failed to initialize event loop"); - return -1; - } - -#ifndef CONFIG_NATIVE_WINDOWS - eloop_register_signal(SIGHUP, handle_reload, NULL); - eloop_register_signal(SIGUSR1, handle_dump_state, NULL); -#endif /* CONFIG_NATIVE_WINDOWS */ - eloop_register_signal_terminate(handle_term, NULL); - - /* Initialize interfaces */ - for (i = 0; i < interfaces.count; i++) { - printf("Configuration file: %s\n", argv[optind + i]); - interfaces.iface[i] = hostapd_init(argv[optind + i]); - if (!interfaces.iface[i]) - goto out; - for (k = 0; k < debug; k++) { - if (interfaces.iface[i]->bss[0]->conf-> - logger_stdout_level > 0) - interfaces.iface[i]->bss[0]->conf-> - logger_stdout_level--; - interfaces.iface[i]->bss[0]->conf->debug++; - } - - ret = hostapd_setup_interface_start(interfaces.iface[i], - setup_interface_done); - if (ret) - goto out; - } - - if (daemonize && os_daemonize(pid_file)) { - perror("daemon"); - goto out; - } - -#ifndef CONFIG_NATIVE_WINDOWS - openlog("hostapd", 0, LOG_DAEMON); -#endif /* CONFIG_NATIVE_WINDOWS */ - - eloop_run(); - - /* Disconnect associated stations from all interfaces and BSSes */ - for (i = 0; i < interfaces.count; i++) { - for (j = 0; j < interfaces.iface[i]->num_bss; j++) { - struct hostapd_data *hapd = - interfaces.iface[i]->bss[j]; - hostapd_free_stas(hapd); - hostapd_flush_old_stations(hapd); - } - } - - ret = 0; - - out: - /* Deinitialize all interfaces */ - for (i = 0; i < interfaces.count; i++) { - if (!interfaces.iface[i]) - continue; - hostapd_setup_interface_stop(interfaces.iface[i]); - hostapd_cleanup_iface_pre(interfaces.iface[i]); - for (j = 0; j < interfaces.iface[i]->num_bss; j++) { - struct hostapd_data *hapd = - interfaces.iface[i]->bss[j]; - hostapd_cleanup(hapd); - if (j == interfaces.iface[i]->num_bss - 1 && - hapd->driver) - hostapd_driver_deinit(hapd); - } - for (j = 0; j < interfaces.iface[i]->num_bss; j++) - free(interfaces.iface[i]->bss[j]); - hostapd_cleanup_iface(interfaces.iface[i]); - } - free(interfaces.iface); - - eloop_destroy(); - -#ifndef CONFIG_NATIVE_WINDOWS - closelog(); -#endif /* CONFIG_NATIVE_WINDOWS */ - - eap_server_unregister_methods(); - - driver_unregister_all(); - - os_daemonize_terminate(pid_file); - - return ret; -} |
