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https://github.com/Mauler125/r5sdk.git
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f18a4c17a4
Rebuild CClientState::ProcessCreateStringTable() and add notes for multiple 'potential' exploit vectors that are currently in place. Also add wrappers for compressing/decompressing net packets.
93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//===========================================================================//
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#ifndef NETWORKSTRINGTABLE_H
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#define NETWORKSTRINGTABLE_H
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#include "tier0/fasttimer.h"
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#include "tier1/utlvector.h"
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#include "tier1/utlhashtable.h"
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#include "tier1/bitbuf.h"
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#include "public/networkstringtabledefs.h"
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#include "client/client.h"
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class CNetworkStringTable : public INetworkStringTable
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{
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public:
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// Updating/Writing
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virtual bool WriteStringTable(bf_write& buf) = 0;
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virtual bool ReadStringTable(bf_read& buf) = 0;
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virtual void ParseUpdate(bf_read& buf, int numStrings) = 0;
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virtual pfnStringChanged GetCallback(void) = 0;
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virtual int WriteUpdate(CClient* const client, bf_write& buf, int tickAck) = 0;
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virtual bool WriteBaselines(SVC_CreateStringTable& msg, char* msgBuffer, int msgBufferSize) = 0;
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virtual void PurgeAllClientSide(void) = 0;
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virtual void EnableRollback(bool bState) = 0;
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// TODO[ AMOS ]: there are a few more entries below in the vftable that
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// need to be mapped out, most of them set/get bit fields;
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// see [ r5apex_ds + 0x1329888 ]
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TABLEID GetTableId(void) const;
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int GetMaxStrings(void) const;
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const char* GetTableName(void) const;
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int GetEntryBits(void) const;
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void SetTick(int tick_count);
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bool Lock(bool bLock);
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private:
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TABLEID m_id;
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bool m_bLocked; // Might be wrong!
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char* m_pszTableName;
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int m_nMaxEntries;
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int m_nEntryBits;
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int m_nTickCount;
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int m_nLastChangedTick;
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uint32_t m_nFlags;
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// !TODO
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};
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class CNetworkStringTableContainer : public INetworkStringTableContainer
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{
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public:
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static void WriteUpdateMessage(CNetworkStringTableContainer* thisp, CClient* client, unsigned int tick_ack, bf_write* msg);
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// Guards so game .dll can't create tables at the wrong time
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inline void AllowCreation(bool state) { m_bAllowCreation = state; }
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private:
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bool m_bAllowCreation; // create guard
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int m_nTickCount; // current tick
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bool m_bLocked; // currently locked?
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bool m_bEnableRollback; // enables rollback feature
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CUtlVector < CNetworkStringTable* > m_Tables; // the string tables
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};
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inline void (*CNetworkStringTableContainer__WriteUpdateMessage)(CNetworkStringTableContainer* thisp, CClient* client, unsigned int tick_ack, bf_write* msg);
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class VNetworkStringTableContainer : public IDetour
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{
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virtual void GetAdr(void) const
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{
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LogFunAdr("CNetworkStringTableContainer::WriteUpdateMessage", CNetworkStringTableContainer__WriteUpdateMessage);
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}
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virtual void GetFun(void) const
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{
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g_GameDll.FindPatternSIMD("48 89 74 24 ?? 48 89 7C 24 ?? 55 41 54 41 55 41 56 41 57 48 8D AC 24 ?? ?? ?? ?? B8 ?? ?? ?? ?? E8 ?? ?? ?? ?? 48 2B E0 45 33 ED")
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.GetPtr(CNetworkStringTableContainer__WriteUpdateMessage);
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}
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virtual void GetVar(void) const { }
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virtual void GetCon(void) const { }
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virtual void Detour(const bool bAttach) const;
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};
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///////////////////////////////////////////////////////////////////////////////
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#endif // NETWORKSTRINGTABLE_H
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