--- /dev/null
+/*
+ * hostapd / WPA authenticator glue code
+ * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_defs.h"
+#include "common/sae.h"
+#include "common/wpa_ctrl.h"
+#include "crypto/sha1.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "eap_server/eap.h"
+#include "l2_packet/l2_packet.h"
+#include "hostapd.h"
+#include "ieee802_1x.h"
+#include "preauth_auth.h"
+#include "sta_info.h"
+#include "tkip_countermeasures.h"
+#include "ap_drv_ops.h"
+#include "ap_config.h"
+#include "wpa_auth.h"
+#include "wpa_auth_glue.h"
+
+
+static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
+ struct hostapd_config *iconf,
+ struct wpa_auth_config *wconf)
+{
+ os_memset(wconf, 0, sizeof(*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->wpa_ptk_rekey = conf->wpa_ptk_rekey;
+ wconf->rsn_pairwise = conf->rsn_pairwise;
+ wconf->rsn_preauth = conf->rsn_preauth;
+ wconf->eapol_version = conf->eapol_version;
+ wconf->peerkey = conf->peerkey;
+ wconf->wmm_enabled = conf->wmm_enabled;
+ wconf->wmm_uapsd = conf->wmm_uapsd;
+ wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
+ wconf->okc = conf->okc;
+#ifdef CONFIG_IEEE80211W
+ wconf->ieee80211w = conf->ieee80211w;
+ wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_IEEE80211R
+ wconf->ssid_len = conf->ssid.ssid_len;
+ if (wconf->ssid_len > SSID_MAX_LEN)
+ wconf->ssid_len = SSID_MAX_LEN;
+ os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
+ os_memcpy(wconf->mobility_domain, conf->mobility_domain,
+ MOBILITY_DOMAIN_ID_LEN);
+ if (conf->nas_identifier &&
+ os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
+ wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
+ os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
+ wconf->r0_key_holder_len);
+ }
+ os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
+ wconf->r0_key_lifetime = conf->r0_key_lifetime;
+ wconf->reassociation_deadline = conf->reassociation_deadline;
+ wconf->r0kh_list = conf->r0kh_list;
+ wconf->r1kh_list = conf->r1kh_list;
+ wconf->pmk_r1_push = conf->pmk_r1_push;
+ wconf->ft_over_ds = conf->ft_over_ds;
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_HS20
+ wconf->disable_gtk = conf->disable_dgaf;
+ if (conf->osen) {
+ wconf->disable_gtk = 1;
+ wconf->wpa = WPA_PROTO_OSEN;
+ wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
+ wconf->wpa_pairwise = 0;
+ wconf->wpa_group = WPA_CIPHER_CCMP;
+ wconf->rsn_pairwise = WPA_CIPHER_CCMP;
+ wconf->rsn_preauth = 0;
+ wconf->disable_pmksa_caching = 1;
+#ifdef CONFIG_IEEE80211W
+ wconf->ieee80211w = 1;
+#endif /* CONFIG_IEEE80211W */
+ }
+#endif /* CONFIG_HS20 */
+#ifdef CONFIG_TESTING_OPTIONS
+ wconf->corrupt_gtk_rekey_mic_probability =
+ iconf->corrupt_gtk_rekey_mic_probability;
+ if (conf->own_ie_override &&
+ wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
+ wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
+ os_memcpy(wconf->own_ie_override,
+ wpabuf_head(conf->own_ie_override),
+ wconf->own_ie_override_len);
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+#ifdef CONFIG_P2P
+ os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
+ os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
+ os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
+ os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
+#endif /* CONFIG_P2P */
+}
+
+
+static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
+ logger_level level, const char *txt)
+{
+#ifndef CONFIG_NO_HOSTAPD_LOGGER
+ 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);
+#endif /* CONFIG_NO_HOSTAPD_LOGGER */
+}
+
+
+static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
+ u16 reason)
+{
+ struct hostapd_data *hapd = ctx;
+ wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
+ "STA " MACSTR " reason %d",
+ __func__, MAC2STR(addr), reason);
+ ap_sta_disconnect(hapd, NULL, addr, reason);
+}
+
+
+static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
+{
+ struct hostapd_data *hapd = ctx;
+ return michael_mic_failure(hapd, addr, 0);
+}
+
+
+static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
+{
+ struct hostapd_data *hapd = ctx;
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
+ MAC2STR(addr));
+}
+
+
+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->eap_if->eapKeyAvailable =
+ 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->eap_if->eapKeyAvailable;
+ default:
+ return -1;
+ }
+}
+
+
+static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
+ const u8 *p2p_dev_addr,
+ const u8 *prev_psk)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta = ap_get_sta(hapd, addr);
+ const u8 *psk;
+
+#ifdef CONFIG_SAE
+ if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
+ if (!sta->sae || prev_psk)
+ return NULL;
+ return sta->sae->pmk;
+ }
+#endif /* CONFIG_SAE */
+
+ psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk);
+ /*
+ * This is about to iterate over all psks, prev_psk gives the last
+ * returned psk which should not be returned again.
+ * logic list (all hostapd_get_psk; all sta->psk)
+ */
+ if (sta && sta->psk && !psk) {
+ struct hostapd_sta_wpa_psk_short *pos;
+ psk = sta->psk->psk;
+ for (pos = sta->psk; pos; pos = pos->next) {
+ if (pos->is_passphrase) {
+ pbkdf2_sha1(pos->passphrase,
+ hapd->conf->ssid.ssid,
+ hapd->conf->ssid.ssid_len, 4096,
+ pos->psk, PMK_LEN);
+ pos->is_passphrase = 0;
+ }
+ if (pos->psk == prev_psk) {
+ psk = pos->next ? pos->next->psk : NULL;
+ break;
+ }
+ }
+ }
+ return psk;
+}
+
+
+static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
+ size_t *len)
+{
+ struct hostapd_data *hapd = ctx;
+ const u8 *key;
+ size_t keylen;
+ struct sta_info *sta;
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta == NULL) {
+ wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
+ return -1;
+ }
+
+ key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
+ if (key == NULL) {
+ wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
+ sta->eapol_sm);
+ return -1;
+ }
+
+ if (keylen > *len)
+ keylen = *len;
+ os_memcpy(msk, key, keylen);
+ *len = keylen;
+
+ return 0;
+}
+
+
+static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg 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_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0,
+ key, key_len);
+}
+
+
+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_send_eapol(void *ctx, const u8 *addr,
+ const u8 *data, size_t data_len,
+ int encrypt)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta;
+ u32 flags = 0;
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->ext_eapol_frame_io) {
+ size_t hex_len = 2 * data_len + 1;
+ char *hex = os_malloc(hex_len);
+
+ if (hex == NULL)
+ return -1;
+ wpa_snprintf_hex(hex, hex_len, data, data_len);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
+ MAC2STR(addr), hex);
+ os_free(hex);
+ return 0;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ flags = hostapd_sta_flags_to_drv(sta->flags);
+
+ return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
+ encrypt, flags);
+}
+
+
+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;
+}
+
+
+struct wpa_auth_iface_iter_data {
+ int (*cb)(struct wpa_authenticator *sm, void *ctx);
+ void *cb_ctx;
+};
+
+static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
+{
+ struct wpa_auth_iface_iter_data *data = ctx;
+ size_t i;
+ for (i = 0; i < iface->num_bss; i++) {
+ if (iface->bss[i]->wpa_auth &&
+ data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
+ return 1;
+ }
+ return 0;
+}
+
+
+static int hostapd_wpa_auth_for_each_auth(
+ void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
+ void *cb_ctx)
+{
+ struct hostapd_data *hapd = ctx;
+ struct wpa_auth_iface_iter_data data;
+ if (hapd->iface->interfaces == NULL ||
+ hapd->iface->interfaces->for_each_interface == NULL)
+ return -1;
+ data.cb = cb;
+ data.cb_ctx = cb_ctx;
+ return hapd->iface->interfaces->for_each_interface(
+ hapd->iface->interfaces, wpa_auth_iface_iter, &data);
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+struct wpa_auth_ft_iface_iter_data {
+ struct hostapd_data *src_hapd;
+ const u8 *dst;
+ const u8 *data;
+ size_t data_len;
+};
+
+
+static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
+{
+ struct wpa_auth_ft_iface_iter_data *idata = ctx;
+ struct hostapd_data *hapd;
+ size_t j;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ if (hapd == idata->src_hapd)
+ continue;
+ if (!hapd->wpa_auth)
+ continue;
+ if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) {
+ wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to "
+ "locally managed BSS " MACSTR "@%s -> "
+ MACSTR "@%s",
+ MAC2STR(idata->src_hapd->own_addr),
+ idata->src_hapd->conf->iface,
+ MAC2STR(hapd->own_addr), hapd->conf->iface);
+ wpa_ft_rrb_rx(hapd->wpa_auth,
+ idata->src_hapd->own_addr,
+ idata->data, idata->data_len);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
+ const u8 *data, size_t data_len)
+{
+ struct hostapd_data *hapd = ctx;
+ struct l2_ethhdr *buf;
+ int ret;
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
+ size_t hex_len = 2 * data_len + 1;
+ char *hex = os_malloc(hex_len);
+
+ if (hex == NULL)
+ return -1;
+ wpa_snprintf_hex(hex, hex_len, data, data_len);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
+ MAC2STR(dst), hex);
+ os_free(hex);
+ return 0;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+#ifdef CONFIG_IEEE80211R
+ if (proto == ETH_P_RRB && hapd->iface->interfaces &&
+ hapd->iface->interfaces->for_each_interface) {
+ int res;
+ struct wpa_auth_ft_iface_iter_data idata;
+ idata.src_hapd = hapd;
+ idata.dst = dst;
+ idata.data = data;
+ idata.data_len = data_len;
+ res = hapd->iface->interfaces->for_each_interface(
+ hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
+ &idata);
+ if (res == 1)
+ return data_len;
+ }
+#endif /* CONFIG_IEEE80211R */
+
+ if (hapd->driver && hapd->driver->send_ether)
+ return hapd->driver->send_ether(hapd->drv_priv, dst,
+ hapd->own_addr, proto,
+ data, data_len);
+ if (hapd->l2 == NULL)
+ return -1;
+
+ buf = os_malloc(sizeof(*buf) + data_len);
+ if (buf == NULL)
+ return -1;
+ os_memcpy(buf->h_dest, dst, ETH_ALEN);
+ os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
+ buf->h_proto = host_to_be16(proto);
+ os_memcpy(buf + 1, data, data_len);
+ ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
+ sizeof(*buf) + data_len);
+ os_free(buf);
+ return ret;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+
+static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
+ const u8 *data, size_t data_len)
+{
+ struct hostapd_data *hapd = ctx;
+ int res;
+ struct ieee80211_mgmt *m;
+ size_t mlen;
+ struct sta_info *sta;
+
+ sta = ap_get_sta(hapd, dst);
+ if (sta == NULL || sta->wpa_sm == NULL)
+ return -1;
+
+ m = os_zalloc(sizeof(*m) + data_len);
+ if (m == NULL)
+ return -1;
+ mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
+ m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+ WLAN_FC_STYPE_ACTION);
+ os_memcpy(m->da, dst, ETH_ALEN);
+ os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
+ os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
+ os_memcpy(&m->u, data, data_len);
+
+ res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0);
+ os_free(m);
+ return res;
+}
+
+
+static struct wpa_state_machine *
+hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta;
+
+ if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0)
+ return NULL;
+
+ sta = ap_sta_add(hapd, sta_addr);
+ if (sta == NULL)
+ return NULL;
+ if (sta->wpa_sm) {
+ sta->auth_alg = WLAN_AUTH_FT;
+ return sta->wpa_sm;
+ }
+
+ sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
+ if (sta->wpa_sm == NULL) {
+ ap_free_sta(hapd, sta);
+ return NULL;
+ }
+ sta->auth_alg = WLAN_AUTH_FT;
+
+ return sta->wpa_sm;
+}
+
+
+static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
+ size_t len)
+{
+ struct hostapd_data *hapd = ctx;
+ struct l2_ethhdr *ethhdr;
+ if (len < sizeof(*ethhdr))
+ return;
+ ethhdr = (struct l2_ethhdr *) buf;
+ wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
+ MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
+ if (!is_multicast_ether_addr(ethhdr->h_dest) &&
+ os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0)
+ return;
+ wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
+ len - sizeof(*ethhdr));
+}
+
+
+static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
+ u8 *tspec_ie, size_t tspec_ielen)
+{
+ struct hostapd_data *hapd = ctx;
+ return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
+}
+
+#endif /* CONFIG_IEEE80211R */
+
+
+int hostapd_setup_wpa(struct hostapd_data *hapd)
+{
+ 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, hapd->iconf, &_conf);
+ if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
+ _conf.tx_status = 1;
+ if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
+ _conf.ap_mlme = 1;
+ os_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.psk_failure_report = hostapd_wpa_auth_psk_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_msk = hostapd_wpa_auth_get_msk;
+ cb.set_key = hostapd_wpa_auth_set_key;
+ cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
+ cb.send_eapol = hostapd_wpa_auth_send_eapol;
+ cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
+ cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
+ cb.send_ether = hostapd_wpa_auth_send_ether;
+#ifdef CONFIG_IEEE80211R
+ cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
+ cb.add_sta = hostapd_wpa_auth_add_sta;
+ cb.add_tspec = hostapd_wpa_auth_add_tspec;
+#endif /* CONFIG_IEEE80211R */
+ hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
+ if (hapd->wpa_auth == NULL) {
+ wpa_printf(MSG_ERROR, "WPA initialization failed.");
+ 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)) {
+ wpa_printf(MSG_ERROR, "Initialization of RSN "
+ "pre-authentication failed.");
+ return -1;
+ }
+
+#ifdef CONFIG_IEEE80211R
+ if (!hostapd_drv_none(hapd) &&
+ wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
+ hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ?
+ hapd->conf->bridge :
+ hapd->conf->iface, NULL, ETH_P_RRB,
+ hostapd_rrb_receive, hapd, 1);
+ if (hapd->l2 == NULL &&
+ (hapd->driver == NULL ||
+ hapd->driver->send_ether == NULL)) {
+ wpa_printf(MSG_ERROR, "Failed to open l2_packet "
+ "interface");
+ return -1;
+ }
+ }
+#endif /* CONFIG_IEEE80211R */
+
+ return 0;
+
+}
+
+
+void hostapd_reconfig_wpa(struct hostapd_data *hapd)
+{
+ struct wpa_auth_config wpa_auth_conf;
+ hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
+ wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
+}
+
+
+void hostapd_deinit_wpa(struct hostapd_data *hapd)
+{
+ ieee80211_tkip_countermeasures_deinit(hapd);
+ rsn_preauth_iface_deinit(hapd);
+ if (hapd->wpa_auth) {
+ wpa_deinit(hapd->wpa_auth);
+ hapd->wpa_auth = NULL;
+
+ if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
+ wpa_printf(MSG_DEBUG, "Could not disable "
+ "PrivacyInvoked for interface %s",
+ hapd->conf->iface);
+ }
+
+ if (hapd->drv_priv &&
+ 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);
+
+#ifdef CONFIG_IEEE80211R
+ l2_packet_deinit(hapd->l2);
+ hapd->l2 = NULL;
+#endif /* CONFIG_IEEE80211R */
+}