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) {
hostapd_set_privacy(hapd, 1);
return 0;
}
/*
* When IEEE 802.1X is not enabled, the driver may need to know how to
* set authentication algorithms for static WEP.
*/
hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
for (i = 0; i < 4; i++) {
if (hapd->conf->ssid.wep.key[i] &&
hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
i == hapd->conf->ssid.wep.idx, NULL, 0,
hapd->conf->ssid.wep.key[i],
hapd->conf->ssid.wep.len[i])) {
wpa_printf(MSG_WARNING, "Could not set WEP "
"encryption.");
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_setup_encryption(char *iface, struct hostapd_data *hapd)
{
int i;
hostapd_broadcast_wep_set(hapd);
if (hapd->conf->ssid.wep.default_len) {
hostapd_set_privacy(hapd, 1);
return 0;
}
for (i = 0; i < 4; i++) {
if (hapd->conf->ssid.wep.key[i] &&
hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
i == hapd->conf->ssid.wep.idx, NULL, 0,
hapd->conf->ssid.wep.key[i],
hapd->conf->ssid.wep.len[i])) {
wpa_printf(MSG_WARNING, "Could not set WEP "
"encryption.");
return -1;
}
if (hapd->conf->ssid.wep.key[i] &&
i == hapd->conf->ssid.wep.idx)
hostapd_set_privacy(hapd, 1);
}
return 0;
}
void hostapd_deinit_wpa(struct hostapd_data *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);
#ifdef CONFIG_IEEE80211R
l2_packet_deinit(hapd->l2);
#endif /* CONFIG_IEEE80211R */
}
static void hostapd_clear_wep(struct hostapd_data *hapd)
{
if (hapd->drv_priv) {
hostapd_set_privacy(hapd, 0);
hostapd_broadcast_wep_clear(hapd);
}
}
static void hostapd_reload_bss(struct hostapd_data *hapd)
{
#ifndef CONFIG_NO_RADIUS
radius_client_reconfig(hapd->radius, hapd->conf->radius);
#endif /* CONFIG_NO_RADIUS */
if (hostapd_setup_wpa_psk(hapd->conf)) {
wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
"after reloading configuration");
}
if (hapd->conf->ieee802_1x || hapd->conf->wpa)
hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
else
hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
if (hapd->conf->wpa && hapd->wpa_auth == NULL) {
hostapd_setup_wpa(hapd);
if (hapd->wpa_auth)
wpa_init_keys(hapd->wpa_auth);
} else if (hapd->conf->wpa) {
const u8 *wpa_ie;
size_t wpa_ie_len;
hostapd_reconfig_wpa(hapd);
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.");
} else if (hapd->wpa_auth) {
wpa_deinit(hapd->wpa_auth);
hapd->wpa_auth = NULL;
hostapd_set_privacy(hapd, 0);
hostapd_setup_encryption(hapd->conf->iface, hapd);
hostapd_set_generic_elem(hapd, (u8 *) "", 0);
}
ieee802_11_set_beacon(hapd);
hostapd_update_wps(hapd);
if (hapd->conf->ssid.ssid_set &&
hostapd_set_ssid(hapd, (u8 *) hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len)) {
wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
/* try to continue */
}
wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
}
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, &_conf);
if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
_conf.tx_status = 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.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;
#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)) {
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;
}