From be31ebf7d61d02d7d4767a17a0bcbc0eacb5a69e Mon Sep 17 00:00:00 2001
From: lotodore <pokerth@lotharmay.de>
Date: Tue, 4 Aug 2009 07:26:18 +0000
Subject: [PATCH] Enable enforcing of network packet constraints. Did I mention
 asn1c is really cool? Anyway, some constraints are still wrong, so this
 breaks game creation. I will fix it this evening.

---
 src/net/common/receiverhelper.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/net/common/receiverhelper.cpp b/src/net/common/receiverhelper.cpp
index 98f6c2a1..6c5141a0 100644
--- a/src/net/common/receiverhelper.cpp
+++ b/src/net/common/receiverhelper.cpp
@@ -54,7 +54,7 @@ ReceiverHelper::ScanPackets(ReceiveBuffer &buf)
 				// This call will also handle the memmove stuff, i.e.
 				// buffering for partial packets.
 				tmpPacket = NetPacket::Create(buf.recvBuf, buf.recvBufUsed);
-			} catch (const NetException &e)
+			} catch (const exception &e)
 			{
 				// Reset buffer on error.
 				buf.recvBufUsed = 0;
@@ -64,7 +64,10 @@ ReceiverHelper::ScanPackets(ReceiveBuffer &buf)
 		if (tmpPacket)
 		{
 			//cerr << "IN:" << endl << tmpPacket->ToString() << endl;
-			buf.receivedPackets.push_back(tmpPacket);
+			if (asn_check_constraints(&asn_DEF_PokerTHMessage, tmpPacket->GetMsg(), NULL, NULL) == 0)
+				buf.receivedPackets.push_back(tmpPacket);
+			else
+				LOG_ERROR("Invalid packet: " << endl << tmpPacket->ToString());
 		}
 		else
 			dataAvailable = false;