added banmaster

7 files changed, 441 insertions, 0 deletions

diff --git a/src/banmaster/banmaster.cpp b/src/banmaster/banmaster.cpp
new file mode 100644
index 00000000..f68afb0c
--- /dev/null
+++ b/src/banmaster/banmaster.cpp
@@ -0,0 +1,261 @@
+/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
+/* If you are missing that file, acquire a complete release at teeworlds.com.                */
+#include <base/system.h>
+#include <engine/shared/network.h>
+#include <engine/console.h>
+#include <engine/storage.h>
+
+#include "banmaster.h"
+
+enum 
+{
+	MAX_BANS=1024,
+	BAN_REREAD_TIME=300,
+	CFGFLAG_BANMASTER=32
+};
+
+static const char BANMASTER_BANFILE[] = "bans.cfg";
+
+struct CBan
+{
+	NETADDR m_Address;
+	char m_aReason[256];
+	int64 m_Expire;
+};
+
+static CBan m_aBans[MAX_BANS];
+static int m_NumBans = 0;
+static CNetClient m_Net;
+static IConsole *m_pConsole;
+static char m_aBindAddr[64] = "";
+
+CBan* CheckBan(NETADDR *pCheck)
+{
+	for(int i = 0; i < m_NumBans; i++)
+		if(net_addr_comp(&m_aBans[i].m_Address, pCheck) == 0)
+			return &m_aBans[i];
+
+	return 0;
+}
+
+int SendResponse(NETADDR *pAddr, NETADDR *pCheck)
+{
+	static char aIpBan[sizeof(BANMASTER_IPBAN) + NETADDR_MAXSTRSIZE] = { 0 };
+	static char *pIpBanContent = aIpBan + sizeof(BANMASTER_IPBAN);
+	if (!aIpBan[0])
+		mem_copy(aIpBan, BANMASTER_IPBAN, sizeof(BANMASTER_IPBAN));
+	
+	static CNetChunk p;
+	
+	p.m_ClientID = -1;
+	p.m_Address = *pAddr;
+	p.m_Flags = NETSENDFLAG_CONNLESS;
+
+	CBan* pBan = CheckBan(pCheck);
+	if(pBan)
+	{
+		net_addr_str(pCheck, pIpBanContent, NETADDR_MAXSTRSIZE);
+		char *pIpBanReason = pIpBanContent + (str_length(pIpBanContent) + 1);
+		str_copy(pIpBanReason, pBan->m_aReason, 256);
+		
+		p.m_pData = aIpBan;
+		p.m_DataSize = sizeof(BANMASTER_IPBAN) + str_length(pIpBanContent) + 1 + str_length(pIpBanReason) + 1;
+		m_Net.Send(&p);
+		return 1;
+	}
+	
+	return 0;
+	/*else
+	{
+		p.m_DataSize = sizeof(BANMASTER_IPOK);
+		p.m_pData = BANMASTER_IPOK;
+		m_Net.Send(&p);
+		return 0;
+	}*/
+}
+
+void AddBan(NETADDR *pAddr, const char *pReason)
+{
+	pAddr->port = 0;
+
+	CBan *pBan = CheckBan(pAddr);
+	char aAddressStr[NETADDR_MAXSTRSIZE];
+	net_addr_str(pAddr, aAddressStr, sizeof(aAddressStr));
+
+	if(pBan)
+	{
+		char aAddressStr[NETADDR_MAXSTRSIZE];
+		net_addr_str(pAddr, aAddressStr, sizeof(aAddressStr));
+		dbg_msg("banmaster", "updated ban, ip=%s oldreason='%s' reason='%s'", aAddressStr, pBan->m_aReason, pReason);
+	
+		str_copy(pBan->m_aReason, pReason, sizeof(m_aBans[m_NumBans].m_aReason));
+		pBan->m_Expire = -1;
+	}
+	else
+	{	
+		if(m_NumBans == MAX_BANS)
+		{
+			dbg_msg("banmaster", "error: banmaster is full");
+			return;
+		}
+
+		m_aBans[m_NumBans].m_Address = *pAddr;
+		str_copy(m_aBans[m_NumBans].m_aReason, pReason, sizeof(m_aBans[m_NumBans].m_aReason));
+		m_aBans[m_NumBans].m_Expire = -1;
+
+		dbg_msg("banmaster", "added ban, ip=%s reason='%s'", aAddressStr, m_aBans[m_NumBans].m_aReason);
+	
+		m_NumBans++;
+	}
+}
+
+void ClearBans()
+{
+	m_NumBans = 0;
+}
+
+void PurgeBans()
+{
+	int64 Now = time_get();
+	int i = 0;
+	while(i < m_NumBans)
+	{
+		if(m_aBans[i].m_Expire != -1 && m_aBans[i].m_Expire < Now)
+		{
+			// remove ban
+			char aBuf[NETADDR_MAXSTRSIZE];
+			net_addr_str(&m_aBans[i].m_Address, aBuf, sizeof(aBuf));
+			dbg_msg("banmaster", "ban expired, ip=%s reason='%s'", aBuf, m_aBans[i].m_aReason);
+			m_aBans[i] = m_aBans[m_NumBans - 1];
+			m_NumBans--;
+		}
+		else
+			i++;
+	}
+}
+
+void ConBan(IConsole::IResult *pResult, void *pUser)
+{
+	NETADDR Addr;
+	const char *pStr = pResult->GetString(0);
+	const char *pReason = "";
+	
+	if(pResult->NumArguments() > 1)
+		pReason = pResult->GetString(1);
+	
+	if(!net_addr_from_str(&Addr, pStr))
+		AddBan(&Addr, pReason);
+	else
+		dbg_msg("banmaster", "invalid network address to ban, str='%s'", pStr);
+}
+
+void ConUnbanAll(IConsole::IResult *pResult, void *pUser)
+{
+	ClearBans();
+}
+
+void ConSetBindAddr(IConsole::IResult *pResult, void *pUser)
+{
+	if(m_aBindAddr[0])
+		return;
+	str_copy(m_aBindAddr, pResult->GetString(0), sizeof(m_aBindAddr));
+	dbg_msg("banmaster/network", "bound to %s", m_aBindAddr);
+}
+
+void StandardOutput(const char *pLine, void *pUser)
+{
+}
+
+int main(int argc, const char **argv) // ignore_convention
+{
+	int64 LastUpdate = time_get();
+
+	dbg_logger_stdout();
+	net_init();
+
+	IKernel *pKernel = IKernel::Create();
+	IStorage *pStorage = CreateStorage("Teeworlds", argc, argv); // ignore_convention
+
+	m_pConsole = CreateConsole(CFGFLAG_BANMASTER);
+	m_pConsole->RegisterPrintCallback(StandardOutput, 0);
+	m_pConsole->Register("ban", "s?r", CFGFLAG_BANMASTER, ConBan, 0, "Bans the specified ip");
+	m_pConsole->Register("unban_all", "", CFGFLAG_BANMASTER, ConUnbanAll, 0, "Unbans all ips");
+	m_pConsole->Register("bind", "s", CFGFLAG_BANMASTER, ConSetBindAddr, 0, "Binds to the specified address");
+
+	{
+		bool RegisterFail = false;
+
+		RegisterFail = RegisterFail || !pKernel->RegisterInterface(m_pConsole);
+		RegisterFail = RegisterFail || !pKernel->RegisterInterface(pStorage);
+		
+		if(RegisterFail)
+			return -1;
+	}
+
+	m_pConsole->ExecuteFile(BANMASTER_BANFILE);
+	
+	NETADDR BindAddr;
+	if(m_aBindAddr[0] && net_host_lookup(m_aBindAddr, &BindAddr, NETTYPE_IPV4) == 0)
+	{
+		if(BindAddr.port == 0)
+			BindAddr.port = BANMASTER_PORT;
+	}
+	else
+	{
+		mem_zero(&BindAddr, sizeof(BindAddr));
+		BindAddr.port = BANMASTER_PORT;
+	}
+		
+	m_Net.Open(BindAddr, 0);
+	// TODO: check socket for errors
+
+	dbg_msg("banmaster", "started");
+	
+	while(1)
+	{
+		m_Net.Update();
+		
+		// process m_aPackets
+		CNetChunk Packet;
+		while(m_Net.Recv(&Packet))
+		{
+			char aAddressStr[NETADDR_MAXSTRSIZE];
+			net_addr_str(&Packet.m_Address, aAddressStr, sizeof(aAddressStr));
+
+			if(Packet.m_DataSize >= sizeof(BANMASTER_IPCHECK) && mem_comp(Packet.m_pData, BANMASTER_IPCHECK, sizeof(BANMASTER_IPCHECK)) == 0)
+			{
+				char *pAddr = (char *)Packet.m_pData + sizeof(BANMASTER_IPCHECK);
+				NETADDR CheckAddr;
+				if(net_addr_from_str(&CheckAddr, pAddr))
+				{
+					dbg_msg("banmaster", "dropped weird message, ip=%s checkaddr='%s'", aAddressStr, pAddr);
+				}
+				else
+				{
+					CheckAddr.port = 0;
+
+					int Banned = SendResponse(&Packet.m_Address, &CheckAddr);
+
+					char aBuf[NETADDR_MAXSTRSIZE];
+					net_addr_str(&CheckAddr, aBuf, sizeof(aBuf));
+					dbg_msg("banmaster", "responded to checkmsg, ip=%s checkaddr=%s result=%s", aAddressStr, aBuf, (Banned) ? "ban" : "ok");
+				}
+			}
+			else
+				dbg_msg("banmaster", "dropped weird packet, ip=%s", aAddressStr, (char *)Packet.m_pData);
+		}
+		
+		if(time_get() - LastUpdate > time_freq() * BAN_REREAD_TIME)
+		{
+			ClearBans();
+			LastUpdate = time_get();
+			m_pConsole->ExecuteFile(BANMASTER_BANFILE);
+		}
+		
+		// be nice to the CPU
+		thread_sleep(1);
+	}
+	
+	return 0;
+}
+
diff --git a/src/banmaster/banmaster.h b/src/banmaster/banmaster.h
new file mode 100644
index 00000000..f7c645f7
--- /dev/null
+++ b/src/banmaster/banmaster.h
@@ -0,0 +1,12 @@
+/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
+/* If you are missing that file, acquire a complete release at teeworlds.com.                */
+#ifndef BANMASTER_BANMASTER_H
+#define BANMASTER_BANMASTER_H
+
+static const int BANMASTER_PORT = 8302;
+
+//static const char BANMASTER_IPOK[] = {255, 255, 255, 255, 'i', 'p', 'o', 'k'};
+static const char BANMASTER_IPBAN[] = {255, 255, 255, 255, 'i', 'p', 'b', 'a'};
+static const char BANMASTER_IPCHECK[] = {255, 255, 255, 255, 'i', 'p', 'c', 'h'};
+
+#endif
diff --git a/src/engine/server/server.cpp b/src/engine/server/server.cpp
index 25214752..05d31f18 100644
--- a/src/engine/server/server.cpp
+++ b/src/engine/server/server.cpp
@@ -26,6 +26,8 @@
 
 #include <mastersrv/mastersrv.h>
 
+#include <banmaster/banmaster.h>
+
 #include "register.h"
 #include "server.h"
 
@@ -35,6 +37,8 @@
 	#include <windows.h>
 #endif
 
+static const char SERVER_BANMASTERFILE[] = "banmasters.cfg";
+
 static const char *StrLtrim(const char *pStr)
 {
 	while(*pStr && *pStr >= 0 && *pStr <= 32)
@@ -1081,6 +1085,38 @@ void CServer::PumpNetwork()
 				{
 					SendServerInfo(&Packet.m_Address, ((unsigned char *)Packet.m_pData)[sizeof(SERVERBROWSE_GETINFO)]);
 				}
+
+				/*if(Packet.m_DataSize >= sizeof(BANMASTER_IPOK) &&
+				  mem_comp(Packet.m_pData, BANMASTER_IPOK, sizeof(BANMASTER_IPOK)) == 0 &&
+				  m_NetServer.BanmasterCheck(&Packet.m_Address) != -1)
+				{
+				}*/
+
+				if(Packet.m_DataSize >= sizeof(BANMASTER_IPBAN) &&
+				  mem_comp(Packet.m_pData, BANMASTER_IPBAN, sizeof(BANMASTER_IPBAN)) == 0)
+				{
+					if(!g_Config.m_SvGlobalBantime)
+						return;
+
+					if(m_NetServer.BanmasterCheck(&Packet.m_Address) == -1)
+						return;
+
+					CUnpacker Up;
+					char aIp[NETADDR_MAXSTRSIZE];
+					char aReason[256];
+					NETADDR Addr;
+					Up.Reset((unsigned char*)Packet.m_pData + sizeof(BANMASTER_IPBAN), Packet.m_DataSize - sizeof(BANMASTER_IPBAN));
+					str_copy(aIp, Up.GetString(CUnpacker::SANITIZE_CC|CUnpacker::SKIP_START_WHITESPACES), sizeof(aIp));
+					str_copy(aReason, Up.GetString(CUnpacker::SANITIZE_CC|CUnpacker::SKIP_START_WHITESPACES), sizeof(aReason));
+					if(net_addr_from_str(&Addr, aIp))
+					{
+						dbg_msg("globalbans", "dropped weird message from banmaster");
+						return;
+					}
+
+					m_NetServer.BanAdd(Addr, g_Config.m_SvGlobalBantime * 60, aReason);
+					dbg_msg("globalbans", "added ban, ip=%s, reason='%s'", aIp, aReason);
+				}
 			}
 		}
 		else
@@ -1193,8 +1229,13 @@ int CServer::Run()
 
 	m_NetServer.SetCallbacks(NewClientCallback, DelClientCallback, this);
 
+<<<<<<< HEAD
 	m_Econ.Init(Console());
 
+=======
+	Console()->ExecuteFile(SERVER_BANMASTERFILE);
+		
+>>>>>>> heinrich5991/banmaster
 	char aBuf[256];
 	str_format(aBuf, sizeof(aBuf), "server name is '%s'", g_Config.m_SvName);
 	Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server", aBuf);
@@ -1572,6 +1613,45 @@ void CServer::ConMapReload(IConsole::IResult *pResult, void *pUser)
 	((CServer *)pUser)->m_MapReload = 1;
 }
 
+void CServer::ConAddBanmaster(IConsole::IResult *pResult, void *pUser)
+{
+	CServer *pServer = (CServer *)pUser;
+	
+	int Result = pServer->m_NetServer.BanmasterAdd(pResult->GetString(0));
+	
+	if(Result == 0)
+		pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server/banmaster", "succesfully added banmaster");
+	else if (Result == 1)
+		pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server/banmaster", "invalid address for banmaster / net lookup failed");
+	else
+		pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server/banmaster", "too many banmasters");
+}
+
+void CServer::ConBanmasters(IConsole::IResult *pResult, void *pUser)
+{
+	CServer *pServer = (CServer *)pUser;
+	int NumBanmasters = pServer->m_NetServer.BanmasterNum();
+	
+	char aBuf[128];
+	char aIpString[64];
+	
+	for(int i = 0; i < NumBanmasters; i++)
+	{
+		NETADDR *pBanmaster = pServer->m_NetServer.BanmasterGet(i);
+		net_addr_str(pBanmaster, aIpString, sizeof(aIpString));
+		str_format(aBuf, sizeof(aBuf), "%d: %s", i, aIpString);
+		pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server/banmaster", aBuf);
+	}
+}
+
+void CServer::ConClearBanmasters(IConsole::IResult *pResult, void *pUser)
+{
+	CServer *pServer = (CServer *)pUser;
+	
+	pServer->m_NetServer.BanmastersClear();
+	pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server/banmaster", "cleared banmaster list");
+}
+
 void CServer::ConchainSpecialInfoupdate(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData)
 {
 	pfnCallback(pResult, pCallbackUserData);
@@ -1639,7 +1719,15 @@ void CServer::RegisterCommands()
 	Console()->Register("record", "?s", CFGFLAG_SERVER|CFGFLAG_STORE, ConRecord, this, "Record to a file");
 	Console()->Register("stoprecord", "", CFGFLAG_SERVER, ConStopRecord, this, "Stop recording");
 
+<<<<<<< HEAD
 	Console()->Register("reload", "", CFGFLAG_SERVER, ConMapReload, this, "Reload the map");
+=======
+	Console()->Register("add_banmaster", "s", CFGFLAG_SERVER, ConAddBanmaster, this, "");
+	Console()->Register("banmasters", "", CFGFLAG_SERVER, ConBanmasters, this, "");
+	Console()->Register("clear_banmasters",	"", CFGFLAG_SERVER, ConClearBanmasters, this, "");
+
+	Console()->Register("reload", "", CFGFLAG_SERVER, ConMapReload, this, "");
+>>>>>>> heinrich5991/banmaster
 
 	Console()->Chain("sv_name", ConchainSpecialInfoupdate, this);
 	Console()->Chain("password", ConchainSpecialInfoupdate, this);
diff --git a/src/engine/server/server.h b/src/engine/server/server.h
index 590e8f6d..40301aa9 100644
--- a/src/engine/server/server.h
+++ b/src/engine/server/server.h
@@ -206,6 +206,9 @@ public:
 	static void ConRecord(IConsole::IResult *pResult, void *pUser);
 	static void ConStopRecord(IConsole::IResult *pResult, void *pUser);
 	static void ConMapReload(IConsole::IResult *pResult, void *pUser);
+	static void ConAddBanmaster(IConsole::IResult *pResult, void *pUser);
+	static void ConBanmasters(IConsole::IResult *pResult, void *pUser);
+	static void ConClearBanmasters(IConsole::IResult *pResult, void *pUser);
 	static void ConchainSpecialInfoupdate(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
 	static void ConchainMaxclientsperipUpdate(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
 	static void ConchainModCommandUpdate(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
diff --git a/src/engine/shared/config_variables.h b/src/engine/shared/config_variables.h
index c812063a..27199356 100644
--- a/src/engine/shared/config_variables.h
+++ b/src/engine/shared/config_variables.h
@@ -86,6 +86,7 @@ MACRO_CONFIG_STR(SvRconPassword, sv_rcon_password, 32, "", CFGFLAG_SERVER, "Remo
 MACRO_CONFIG_STR(SvRconModPassword, sv_rcon_mod_password, 32, "", CFGFLAG_SERVER, "Remote console password for moderators (limited access)")
 MACRO_CONFIG_INT(SvRconMaxTries, sv_rcon_max_tries, 3, 0, 100, CFGFLAG_SERVER, "Maximum number of tries for remote console authentication")
 MACRO_CONFIG_INT(SvRconBantime, sv_rcon_bantime, 5, 0, 1440, CFGFLAG_SERVER, "The time a client gets banned if remote console authentication fails. 0 makes it just use kick")
+<<<<<<< HEAD
 MACRO_CONFIG_INT(SvAutoDemoRecord, sv_auto_demo_record, 0, 0, 1, CFGFLAG_SERVER, "Automatically record demos")
 MACRO_CONFIG_INT(SvAutoDemoMax, sv_auto_demo_max, 10, 0, 1000, CFGFLAG_SERVER, "Maximum number of automatically recorded demos (0 = no limit)")
 
@@ -95,6 +96,9 @@ MACRO_CONFIG_STR(EcPassword, ec_password, 32, "", CFGFLAG_SERVER, "External cons
 MACRO_CONFIG_INT(EcBantime, ec_bantime, 0, 0, 1440, CFGFLAG_SERVER, "The time a client gets banned if econ authentication fails. 0 just closes the connection")
 MACRO_CONFIG_INT(EcAuthTimeout, ec_auth_timeout, 30, 1, 120, CFGFLAG_SERVER, "Time in seconds before the the econ authentification times out")
 MACRO_CONFIG_INT(EcOutputLevel, ec_output_level, 1, 0, 2, CFGFLAG_SERVER, "Adjusts the amount of information in the external console")
+=======
+MACRO_CONFIG_INT(SvGlobalBantime, sv_global_bantime, 60, 0, 1440, CFGFLAG_SERVER, "The time a client gets banned if the ban server reports it. 0 to disable")
+>>>>>>> heinrich5991/banmaster
 
 MACRO_CONFIG_INT(Debug, debug, 0, 0, 1, CFGFLAG_CLIENT|CFGFLAG_SERVER, "Debug mode")
 MACRO_CONFIG_INT(DbgStress, dbg_stress, 0, 0, 0, CFGFLAG_CLIENT|CFGFLAG_SERVER, "Stress systems")
diff --git a/src/engine/shared/network.h b/src/engine/shared/network.h
index d10c03b6..ca6ca02a 100644
--- a/src/engine/shared/network.h
+++ b/src/engine/shared/network.h
@@ -245,6 +245,10 @@ public:
 class CNetServer
 {
 public:
+	enum
+	{
+		MAX_BANMASTERS=16
+	};
 	struct CBanInfo
 	{
 		NETADDR m_Addr;
@@ -284,6 +288,9 @@ private:
 	CBan *m_BanPool_FirstFree;
 	CBan *m_BanPool_FirstUsed;
 
+	NETADDR m_aBanmasters[MAX_BANMASTERS];
+	int m_NumBanmasters;
+	
 	NETFUNC_NEWCLIENT m_pfnNewClient;
 	NETFUNC_DELCLIENT m_pfnDelClient;
 	void *m_UserPtr;
@@ -321,6 +328,11 @@ public:
 
 	//
 	void SetMaxClientsPerIP(int Max);
+	int BanmasterAdd(const char *pAddrStr);
+	int BanmasterNum() const;
+	NETADDR* BanmasterGet(int Index);
+	int BanmasterCheck(NETADDR *pAddr);
+	void BanmastersClear();
 };
 
 class CNetConsole
diff --git a/src/engine/shared/network_server.cpp b/src/engine/shared/network_server.cpp
index b100e1a2..73e3cf17 100644
--- a/src/engine/shared/network_server.cpp
+++ b/src/engine/shared/network_server.cpp
@@ -1,6 +1,7 @@
 /* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
 /* If you are missing that file, acquire a complete release at teeworlds.com.                */
 #include <base/system.h>
+#include <banmaster/banmaster.h>
 #include "network.h"
 
 #define MACRO_LIST_LINK_FIRST(Object, First, Prev, Next) \
@@ -352,6 +353,22 @@ int CNetServer::Recv(CNetChunk *pChunk)
 					// client that wants to connect
 					if(!Found)
 					{
+						CNetChunk Packet;
+						char aBuffer[sizeof(BANMASTER_IPCHECK) + NETADDR_MAXSTRSIZE];
+						mem_copy(aBuffer, BANMASTER_IPCHECK, sizeof(BANMASTER_IPCHECK));
+						net_addr_str(&Addr, aBuffer + sizeof(BANMASTER_IPCHECK), sizeof(aBuffer) - sizeof(BANMASTER_IPCHECK));
+
+						Packet.m_ClientID = -1;
+						Packet.m_Flags = NETSENDFLAG_CONNLESS;
+						Packet.m_DataSize = str_length(aBuffer) + 1;
+						Packet.m_pData = aBuffer;
+
+						for(int i = 0; i < m_NumBanmasters; i++)
+						{
+							Packet.m_Address = m_aBanmasters[i];
+							Send(&Packet);
+						}
+
 						// only allow a specific number of players with the same ip
 						NETADDR ThisAddr = Addr, OtherAddr;
 						int FoundAddr = 1;
@@ -383,6 +400,7 @@ int CNetServer::Recv(CNetChunk *pChunk)
 								m_aSlots[i].m_Connection.Feed(&m_RecvUnpacker.m_Data, &Addr);
 								if(m_pfnNewClient)
 									m_pfnNewClient(i, m_UserPtr);
+								
 								break;
 							}
 						}
@@ -461,3 +479,46 @@ void CNetServer::SetMaxClientsPerIP(int Max)
 
 	m_MaxClientsPerIP = Max;
 }
+
+int CNetServer::BanmasterAdd(const char *pAddrStr)
+{
+	if(m_NumBanmasters >= MAX_BANMASTERS)
+		return 2;
+	
+	if(net_host_lookup(pAddrStr, &m_aBanmasters[m_NumBanmasters], NETTYPE_IPV4))
+		return 1;
+	
+	if(m_aBanmasters[m_NumBanmasters].port == 0)
+		m_aBanmasters[m_NumBanmasters].port = BANMASTER_PORT;
+	
+	m_NumBanmasters++;
+	return 0;
+}
+
+int CNetServer::BanmasterNum() const
+{
+	return m_NumBanmasters;
+}
+
+NETADDR* CNetServer::BanmasterGet(int Index)
+{
+	if(Index < 0 || Index >= m_NumBanmasters)
+		return 0;
+	
+	return &m_aBanmasters[Index];
+}
+
+int CNetServer::BanmasterCheck(NETADDR *pAddr)
+{
+	for(int i = 0; i < m_NumBanmasters; i++)
+		if(net_addr_comp(&m_aBanmasters[i], pAddr) == 0)
+			return i;
+
+	return -1;
+}
+
+void CNetServer::BanmastersClear()
+{
+	m_NumBanmasters = 0;
+}
+