www: vpn-wireguard.asp: add Clean button to peers section; allow only one peer in 'External - VPN Provider' mode

release/src-rt-6.x.4708/router/www/vpn-wireguard.asp

@@ -997,12 +997,22 @@ function clearPeerFields(unit) {
 	E('_f_wg'+unit+'_peer_aip').value = '';
 	E('_f_wg'+unit+'_peer_ka').value = '';
 	E('_f_wg'+unit+'_peer_fwmark').value = '';
+
+	E('wg'+unit+'_peer_add').value = 'Add to Peers';
 }
 
 function addPeer(unit, quiet) {
 	if (!verifyPeerFields(unit))
 		return;
 
+	if (E('_wg'+unit+'_com').value == 3) { /* 'External - VPN Provider' - allow only one peer (us) */
+		var rows = peerTables[unit].getAllData().length;
+		if (rows > 0) {
+			alert('In "External - VPN Provider" mode you can only add one peer (this router)')
+			return;
+		}
+	}
+
 	changed = 1;
 
 	var data = peerFieldsToData(unit);
@@ -2009,7 +2019,7 @@ function init() {
 				{ title: 'VPN Interface IP', name: 'f_'+t+'_peer_ip', type: 'text', placeholder: 'CIDR format', maxlen: 64, size: 64 },
 				{ title: 'Allowed IPs', name: 'f_'+t+'_peer_aip', type: 'text', placeholder: 'CIDR format / comma separated', maxlen: 128, size: 64 },
 				{ title: 'Peer behind NAT', name: 'f_'+t+'_peer_ka', type: 'text', maxlen: 2, size: 4, value: '', suffix: '&nbsp;<small>enables keepalives from this peer towards the other peers (range 0 - 99 secs; 0 to disable)<\/small>' },
-				{ title: '', custom: '<input type="button" value="Add to Peers" onclick="addPeer('+i+')" id="'+t+'_peer_add">' }
+				{ title: '', custom: '<input type="button" value="Add to Peers" onclick="addPeer('+i+')" id="'+t+'_peer_add"> <input type="button" value="Clean" onclick="clearPeerFields('+i+')" id="'+t+'_peer_clean">' }
 			]);
 			W('<\/div>');
 			/* peers tab stop */