fixed queuing of broadcast address

Author: flex-lm

sonar.js

@@ -151,18 +151,26 @@ var sonar = {
 
         if( sonar.debug ) {
             alert( '[DEBUG][The samallest IP adress to be scaned is:]' + ip_min[0] + '.' + ip_min[1] + '.' + ip_min[2] + '.' + (ip_min[3] + 1));
-            alert( '[DEBUG][The largest IP adress to be scaned is:]' + ip_max[0] + '.' + ip_max[1] + '.' + ip_max[2] + '.' + ip_max[3]);
+            alert( '[DEBUG][The largest IP adress to be scaned is:]' + ip_max[0] + '.' + ip_max[1] + '.' + ip_max[2] + '.' + (ip_max[3] - 1));
         }
 
         // Queue IP address range
-        var ip_parts = ip_min.slice();
         var d = ip_min[3] + 1;
         for( var a = ip_min[0]; a <= ip_max[0]; a++ ) {
 			ip_parts[0] = a;
+			if ( a == ip_max[0] ){ // Check if we are approaching the end of the subnet
+				var ae = 1;
+			}
 			for( var b = ip_min[1]; b <= ip_max[1]; b++ ) {
 				ip_parts[1] = b;
+				if ( ae == 1 && b == ip_max[1] ){
+					var be = 1;
+				}
 				for( var c = ip_min[2]; c <= ip_max[2]; c++ ) {
 					ip_parts[2] = c;
+					if ( be == 1 && c == ip_max[2] ){
+						ip_max[3]--; // Prevent the broadcast address from getting queued
+					}
 					while( d <= ip_max[3] ) {
 						ip_parts[3] = d;
 						var tmp_ip = ip_parts[0] + '.' + ip_parts[1] + '.' + ip_parts[2] + '.' + ip_parts[3];