From b7da058b76d904881e1ddd24f4f45577ca9927ff Mon Sep 17 00:00:00 2001
From: def <dennis@felsin9.de>
Date: Sat, 5 Sep 2020 23:50:31 +0200
Subject: [PATCH] Remove the rudimentary fuzzing since no one uses it anyway

---
 src/base/system.c                  | 47 ------------------------------
 src/engine/shared/network.cpp      |  4 ---
 src/engine/shared/network_conn.cpp |  2 --
 3 files changed, 53 deletions(-)

diff --git a/src/base/system.c b/src/base/system.c
index 8f398b542..abb9b20d8 100644
--- a/src/base/system.c
+++ b/src/base/system.c
@@ -68,12 +68,6 @@
 extern "C" {
 #endif
 
-#ifdef FUZZING
-static unsigned char gs_NetData[1024];
-static int gs_NetPosition = 0;
-static int gs_NetSize = 0;
-#endif
-
 IOHANDLE io_stdin() { return (IOHANDLE)stdin; }
 IOHANDLE io_stdout() { return (IOHANDLE)stdout; }
 IOHANDLE io_stderr() { return (IOHANDLE)stderr; }
@@ -1475,21 +1469,12 @@ NETSOCKET net_udp_create(NETADDR bindaddr)
 	/* set non-blocking */
 	net_set_non_blocking(sock);
 
-#ifdef FUZZING
-	IOHANDLE file = io_open("bar.txt", IOFLAG_READ);
-	gs_NetPosition = 0;
-	gs_NetSize = io_length(file);
-	io_read(file, gs_NetData, 1024);
-	io_close(file);
-#endif /* FUZZING */
-
 	/* return */
 	return sock;
 }
 
 int net_udp_send(NETSOCKET sock, const NETADDR *addr, const void *data, int size)
 {
-#ifndef FUZZING
 	int d = -1;
 
 	if(addr->type&NETTYPE_IPV4)
@@ -1564,9 +1549,6 @@ int net_udp_send(NETSOCKET sock, const NETADDR *addr, const void *data, int size
 	network_stats.sent_bytes += size;
 	network_stats.sent_packets++;
 	return d;
-#else
-	return size;
-#endif /* FUZZING */
 }
 
 void net_init_mmsgs(MMSGS* m)
@@ -1592,7 +1574,6 @@ void net_init_mmsgs(MMSGS* m)
 
 int net_udp_recv(NETSOCKET sock, NETADDR *addr, void *buffer, int maxsize, MMSGS* m, unsigned char **data)
 {
-#ifndef FUZZING
 	char sockaddrbuf[128];
 	int bytes = 0;
 
@@ -1663,34 +1644,6 @@ int net_udp_recv(NETSOCKET sock, NETADDR *addr, void *buffer, int maxsize, MMSGS
 	else if(bytes == 0)
 		return 0;
 	return -1; /* error */
-#else /* ifdef FUZZING */
-	addr->type = NETTYPE_IPV4;
-	addr->port = 11111;
-	addr->ip[0] = 127;
-	addr->ip[1] = 0;
-	addr->ip[2] = 0;
-	addr->ip[3] = 1;
-
-	int CurrentData = 0;
-	while (gs_NetPosition < gs_NetSize && CurrentData < maxsize)
-	{
-		if(gs_NetData[gs_NetPosition] == '\n')
-		{
-			gs_NetPosition++;
-			break;
-		}
-
-		((unsigned char*)buffer)[CurrentData] = gs_NetData[gs_NetPosition];
-		*data = buffer;
-		CurrentData++;
-		gs_NetPosition++;
-	}
-
-	if (gs_NetPosition >= gs_NetSize)
-		exit(0);
-
-	return CurrentData;
-#endif /* FUZZING */
 }
 
 int net_udp_close(NETSOCKET sock)
diff --git a/src/engine/shared/network.cpp b/src/engine/shared/network.cpp
index 5bc0c2ed7..7f2f67338 100644
--- a/src/engine/shared/network.cpp
+++ b/src/engine/shared/network.cpp
@@ -145,14 +145,12 @@ void CNetBase::SendPacket(NETSOCKET Socket, NETADDR *pAddr, CNetPacketConstruct
 		CompressedSize = ms_Huffman.Compress(pPacket->m_aChunkData, pPacket->m_DataSize, &aBuffer[HeaderSize], NET_MAX_PACKETSIZE-HeaderSize);
 
 	// check if the compression was enabled, successful and good enough
-#ifndef FUZZING
 	if(!NoCompress && CompressedSize > 0 && CompressedSize < pPacket->m_DataSize)
 	{
 		FinalSize = CompressedSize;
 		pPacket->m_Flags |= NET_PACKETFLAG_COMPRESSION;
 	}
 	else
-#endif
 	{
 		// use uncompressed data
 		FinalSize = pPacket->m_DataSize;
@@ -430,7 +428,5 @@ static const unsigned gs_aFreqTable[256+1] = {
 
 void CNetBase::Init()
 {
-#ifndef FUZZING
 	ms_Huffman.Init(gs_aFreqTable);
-#endif
 }
diff --git a/src/engine/shared/network_conn.cpp b/src/engine/shared/network_conn.cpp
index be553090a..2a6a65262 100644
--- a/src/engine/shared/network_conn.cpp
+++ b/src/engine/shared/network_conn.cpp
@@ -318,10 +318,8 @@ int CNetConnection::Feed(CNetPacketConstruct *pPacket, NETADDR *pAddr, SECURITY_
 			{
 				if(CtrlMsg == NET_CTRLMSG_CONNECT)
 				{
-#ifndef FUZZING
 					if(net_addr_comp_noport(&m_PeerAddr, pAddr) == 0 && time_get() - m_LastUpdateTime < time_freq() * 3)
 						return 0;
-#endif
 
 					// send response and init connection
 					Reset();