atheros: Fix auth_alg configuration for static WEP

When IEEE 802.1X is not enabled, driver_atheros.c needs to know how
to set authentication algorithms for static WEP.

src/ap/ap_drv_ops.h

@@ -194,4 +194,12 @@ static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
 	return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
 }
 
+static inline int hostapd_drv_set_authmode(struct hostapd_data *hapd,
+					   int auth_algs)
+{
+	if (hapd->driver == NULL || hapd->driver->set_authmode == NULL)
+		return 0;
+	return hapd->driver->set_authmode(hapd->drv_priv, auth_algs);
+}
+
 #endif /* AP_DRV_OPS */

src/ap/hostapd.c

@@ -306,6 +306,12 @@ static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
 		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,

src/drivers/driver.h

@@ -2241,6 +2241,18 @@ struct wpa_driver_ops {
 	 * @signal_info: Connection info structure
          */
 	int (*signal_poll)(void *priv, struct wpa_signal_info *signal_info);
+
+	/**
+	 * set_authmode - Set authentication algorithm(s) for static WEP
+	 * @priv: Private driver interface data
+	 * @authmode: 1=Open System, 2=Shared Key, 3=both
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This function can be used to set authentication algorithms for AP
+	 * mode when static WEP is used. If the driver uses user space MLME/SME
+	 * implementation, there is no need to implement this function.
+	 */
+	int (*set_authmode)(void *priv, int authmode);
 };
 
 

src/drivers/driver_atheros.c

@@ -1357,6 +1357,23 @@ atheros_commit(void *priv)
 	return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
 }
 
+static int atheros_set_authmode(void *priv, int auth_algs)
+{
+	int authmode;
+
+	if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
+	    (auth_algs & WPA_AUTH_ALG_SHARED))
+		authmode = IEEE80211_AUTH_AUTO;
+	else if (auth_algs & WPA_AUTH_ALG_OPEN)
+		authmode = IEEE80211_AUTH_OPEN;
+	else if (auth_algs & WPA_AUTH_ALG_SHARED)
+		authmode = IEEE80211_AUTH_SHARED;
+	else
+		return -1;
+
+	return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
+}
+
 const struct wpa_driver_ops wpa_driver_atheros_ops = {
 	.name			= "atheros",
 	.hapd_init		= atheros_init,
@@ -1378,4 +1395,5 @@ const struct wpa_driver_ops wpa_driver_atheros_ops = {
 	.sta_clear_stats	= atheros_sta_clear_stats,
 	.commit			= atheros_commit,
 	.set_ap_wps_ie		= atheros_set_ap_wps_ie,
+	.set_authmode		= atheros_set_authmode,
 };