WPS: Remove static-WEP-only workaround

WEP provisioning was removed from WPS v2, so this workaround
functionality has not been applicable. Remove it completely.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/ap/wps_hostapd.c

@@ -1260,8 +1260,6 @@ int hostapd_init_wps(struct hostapd_data *hapd,
 	cfg.extra_cred_len = conf->extra_cred_len;
 	cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
 		conf->skip_cred_build;
-	if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
-		cfg.static_wep_only = 1;
 	cfg.dualband = interface_count(hapd->iface) > 1;
 	if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) ==
 	    (WPS_RF_50GHZ | WPS_RF_24GHZ))

src/wps/wps.h

@@ -394,11 +394,6 @@ struct wps_registrar_config {
 	 */
 	int disable_auto_conf;
 
-	/**
-	 * static_wep_only - Whether the BSS supports only static WEP
-	 */
-	int static_wep_only;
-
 	/**
 	 * dualband - Whether this is a concurrent dualband AP
 	 */

src/wps/wps_registrar.c

@@ -173,7 +173,6 @@ struct wps_registrar {
 	int sel_reg_union;
 	int sel_reg_dev_password_id_override;
 	int sel_reg_config_methods_override;
-	int static_wep_only;
 	int dualband;
 	int force_per_enrollee_psk;
 
@@ -697,7 +696,6 @@ wps_registrar_init(struct wps_context *wps,
 	reg->disable_auto_conf = cfg->disable_auto_conf;
 	reg->sel_reg_dev_password_id_override = -1;
 	reg->sel_reg_config_methods_override = -1;
-	reg->static_wep_only = cfg->static_wep_only;
 	reg->dualband = cfg->dualband;
 	reg->force_per_enrollee_psk = cfg->force_per_enrollee_psk;
 
@@ -1390,28 +1388,6 @@ static int wps_set_ie(struct wps_registrar *reg)
 		return -1;
 	}
 
-	if (reg->static_wep_only) {
-		/*
-		 * Windows XP and Vista clients can get confused about
-		 * EAP-Identity/Request when they probe the network with
-		 * EAPOL-Start. In such a case, they may assume the network is
-		 * using IEEE 802.1X and prompt user for a certificate while
-		 * the correct (non-WPS) behavior would be to ask for the
-		 * static WEP key. As a workaround, use Microsoft Provisioning
-		 * IE to advertise that legacy 802.1X is not supported.
-		 */
-		const u8 ms_wps[7] = {
-			WLAN_EID_VENDOR_SPECIFIC, 5,
-			/* Microsoft Provisioning IE (00:50:f2:5) */
-			0x00, 0x50, 0xf2, 5,
-			0x00 /* no legacy 802.1X or MS WPS */
-		};
-		wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE "
-			   "into Beacon/Probe Response frames");
-		wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps));
-		wpabuf_put_data(probe, ms_wps, sizeof(ms_wps));
-	}
-
 	return wps_cb_set_ie(reg, beacon, probe);
 }