handle large packets

Author: ggottwald

src/packet/Factory.php

@@ -20,15 +20,23 @@ class Factory
      */
     public static function getNextPacket(Version $version, $remainingData)
     {
-        while(isset($remainingData[1])) {
+        while (isset($remainingData[1])) {
             $byte = 1;
-            $packetLength = 0;
+            $remainingLength = 0;
+            $multiplier = 1;
             do {
+                if ($byte >= 6) {
+                    break;
+                }
+
                 $digit = ord($remainingData[$byte]);
-                $packetLength += $digit;
+                $remainingLength += ($digit & 127) * $multiplier;
+                $multiplier *= 128;
                 $byte++;
-            } while (($digit & 128) != 0);
-            $packetLength += 2;
+            } while (($digit & 128) !== 0);
+
+            $packetLength = $byte + $remainingLength;
+
             $nextPacketData = substr($remainingData, 0, $packetLength);
             $remainingData = substr($remainingData, $packetLength);