From 3459bc1ede4ebbb8177444cc2b265ecea0678dea Mon Sep 17 00:00:00 2001
From: madmaxoft <github@xoft.cz>
Date: Thu, 25 Sep 2014 19:42:35 +0200
Subject: [PATCH] Protocol 1.8: Added checks for values presence.

Reported by @worktycho / Coverity.
---
 src/Protocol/Protocol18x.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp
index 94eaa43db..c07441ef7 100644
--- a/src/Protocol/Protocol18x.cpp
+++ b/src/Protocol/Protocol18x.cpp
@@ -1966,13 +1966,19 @@ void cProtocol180::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
 void cProtocol180::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer)
 {
 	UInt32 EncKeyLength, EncNonceLength;
-	a_ByteBuffer.ReadVarInt(EncKeyLength);
+	if (!a_ByteBuffer.ReadVarInt(EncKeyLength))
+	{
+		return;
+	}
 	AString EncKey;
 	if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength))
 	{
 		return;
 	}
-	a_ByteBuffer.ReadVarInt(EncNonceLength);
+	if (!a_ByteBuffer.ReadVarInt(EncNonceLength))
+	{
+		return;
+	}
 	AString EncNonce;
 	if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength))
 	{