mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
631 lines
23 KiB
C++
631 lines
23 KiB
C++
//===============================================================================//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//
|
|
//===============================================================================//
|
|
// client.cpp: implementation of the CClient class.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
#include "core/stdafx.h"
|
|
#include "mathlib/bitvec.h"
|
|
#include "tier1/cvar.h"
|
|
#include "tier1/strtools.h"
|
|
#include "engine/server/server.h"
|
|
#include "engine/client/client.h"
|
|
#ifndef CLIENT_DLL
|
|
#include "networksystem/hostmanager.h"
|
|
#include "jwt/include/decode.h"
|
|
#include "mbedtls/include/mbedtls/sha256.h"
|
|
#endif
|
|
|
|
// Absolute max string cmd length, any character past this will be NULLED.
|
|
#define STRINGCMD_MAX_LEN 512
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: throw away any residual garbage in the channel
|
|
//---------------------------------------------------------------------------------
|
|
void CClient::Clear(void)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
GetClientExtended()->Reset(); // Reset extended data.
|
|
#endif // !CLIENT_DLL
|
|
CClient__Clear(this);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: throw away any residual garbage in the channel
|
|
// Input : *pClient -
|
|
//---------------------------------------------------------------------------------
|
|
void CClient::VClear(CClient* pClient)
|
|
{
|
|
pClient->Clear();
|
|
}
|
|
|
|
#ifndef CLIENT_DLL
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: gets the extended client data
|
|
// Output : CClientExtended* -
|
|
//---------------------------------------------------------------------------------
|
|
CClientExtended* CClient::GetClientExtended(void) const
|
|
{
|
|
return m_pServer->GetClientExtended(m_nUserID);
|
|
}
|
|
#endif // !CLIENT_DLL
|
|
|
|
|
|
static const char JWT_PUBLIC_KEY[] =
|
|
"-----BEGIN PUBLIC KEY-----\n"
|
|
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2/335exIZ6LE8pYi6e50\n"
|
|
"7tH19tXaeeEJVF5XXpTCXpndXIIWVimvg6xQ381eajySDw93wvG1DzW3U/6LHzyt\n"
|
|
"Q++N8w7N+FwnXyoDUD5Y8hheTZv6jjLoYT8ZtsMl20k9UosrbFBTMUhgmIT2dVth\n"
|
|
"LH+rT9ohpUNwQXHJvTOs9eY74GyfFw93+32LANBPZ8b+S8S3oZnKFVeCxRkYKsV0\n"
|
|
"b34POHVBbXNw6Kt163gR5zaiCfJJtRto9AA7MV2t9pfy8CChs3uJ+Xn7QVHD5cqt\n"
|
|
"Msg9MBac2Pvs2j+8wJ/igAVL5L81z3FXVt04id59TfPMUbYhRfY8pk7FB0MCigOH\n"
|
|
"dwIDAQAB\n"
|
|
"-----END PUBLIC KEY-----\n";
|
|
|
|
static ConVar sv_onlineAuthEnable("sv_onlineAuthEnable", "1", FCVAR_RELEASE, "Enables the server-side online authentication system");
|
|
|
|
static ConVar sv_onlineAuthValidateExpiry("sv_onlineAuthValidateExpiry", "1", FCVAR_RELEASE, "Validate the online authentication token 'expiry' claim");
|
|
static ConVar sv_onlineAuthValidateIssuedAt("sv_onlineAuthValidateIssuedAt", "1", FCVAR_RELEASE, "Validate the online authentication token 'issued at' claim");
|
|
|
|
static ConVar sv_onlineAuthExpiryTolerance("sv_onlineAuthExpiryTolerance", "1", FCVAR_DEVELOPMENTONLY, "The online authentication token 'expiry' claim tolerance in seconds", true, 0.f, true, float(UINT8_MAX), "Must range between [0,255]");
|
|
static ConVar sv_onlineAuthIssuedAtTolerance("sv_onlineAuthIssuedAtTolerance", "30", FCVAR_DEVELOPMENTONLY, "The online authentication token 'issued at' claim tolerance in seconds", true, 0.f, true, float(UINT8_MAX), "Must range between [0,255]");
|
|
|
|
static ConVar sv_quota_stringCmdsPerSecond("sv_quota_stringCmdsPerSecond", "16", FCVAR_RELEASE, "How many string commands per second clients are allowed to submit, 0 to disallow all string commands", true, 0.f, false, 0.f);
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: check whether this client is authorized to join this server
|
|
// Input : *playerName -
|
|
// *reasonBuf -
|
|
// reasonBufLen -
|
|
// Output : true if authorized, false otherwise
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::Authenticate(const char* const playerName, char* const reasonBuf, const size_t reasonBufLen)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
// don't bother checking origin auth on bots or local clients
|
|
if (IsFakeClient() || GetNetChan()->GetRemoteAddress().IsLoopback())
|
|
return true;
|
|
|
|
l8w8jwt_claim* claims = nullptr;
|
|
size_t numClaims = 0;
|
|
|
|
// formats the error reason, and frees the claims and returns
|
|
#define ERROR_AND_RETURN(fmt, ...) \
|
|
do {\
|
|
V_snprintf(reasonBuf, reasonBufLen, fmt, ##__VA_ARGS__); \
|
|
if (claims) {\
|
|
l8w8jwt_free_claims(claims, numClaims); \
|
|
}\
|
|
return false; \
|
|
} while(0)\
|
|
|
|
KeyValues* const cl_onlineAuthTokenKv = this->m_ConVars->FindKey("cl_onlineAuthToken");
|
|
KeyValues* const cl_onlineAuthTokenSignature1Kv = this->m_ConVars->FindKey("cl_onlineAuthTokenSignature1");
|
|
KeyValues* const cl_onlineAuthTokenSignature2Kv = this->m_ConVars->FindKey("cl_onlineAuthTokenSignature2");
|
|
|
|
if (!cl_onlineAuthTokenKv || !cl_onlineAuthTokenSignature1Kv)
|
|
ERROR_AND_RETURN("Missing token");
|
|
|
|
const char* const onlineAuthToken = cl_onlineAuthTokenKv->GetString();
|
|
const char* const onlineAuthTokenSignature1 = cl_onlineAuthTokenSignature1Kv->GetString();
|
|
const char* const onlineAuthTokenSignature2 = cl_onlineAuthTokenSignature2Kv->GetString();
|
|
|
|
char fullToken[1024]; // enough buffer for 3x255, which is cvar count * userinfo str limit.
|
|
const int tokenLen = snprintf(fullToken, sizeof(fullToken), "%s.%s%s",
|
|
onlineAuthToken, onlineAuthTokenSignature1, onlineAuthTokenSignature2);
|
|
|
|
if (tokenLen < 0)
|
|
ERROR_AND_RETURN("Token stitching failed");
|
|
|
|
struct l8w8jwt_decoding_params params;
|
|
l8w8jwt_decoding_params_init(¶ms);
|
|
|
|
params.alg = L8W8JWT_ALG_RS256;
|
|
|
|
params.jwt = (char*)fullToken;
|
|
params.jwt_length = tokenLen;
|
|
|
|
params.verification_key = (unsigned char*)JWT_PUBLIC_KEY;
|
|
params.verification_key_length = sizeof(JWT_PUBLIC_KEY);
|
|
|
|
params.validate_exp = sv_onlineAuthValidateExpiry.GetBool();
|
|
params.exp_tolerance_seconds = (uint8_t)sv_onlineAuthExpiryTolerance.GetInt();
|
|
|
|
params.validate_iat = sv_onlineAuthValidateIssuedAt.GetBool();
|
|
params.iat_tolerance_seconds = (uint8_t)sv_onlineAuthIssuedAtTolerance.GetInt();
|
|
|
|
enum l8w8jwt_validation_result validation_result;
|
|
const int r = l8w8jwt_decode(¶ms, &validation_result, &claims, &numClaims);
|
|
|
|
if (r != L8W8JWT_SUCCESS)
|
|
ERROR_AND_RETURN("Code %i", r);
|
|
|
|
if (validation_result != L8W8JWT_VALID)
|
|
{
|
|
char reasonBuffer[64];
|
|
l8w8jwt_get_validation_result_desc(validation_result, reasonBuffer, sizeof(reasonBuffer));
|
|
|
|
ERROR_AND_RETURN("%s", reasonBuffer);
|
|
}
|
|
|
|
bool foundSessionId = false;
|
|
for (size_t i = 0; i < numClaims; ++i)
|
|
{
|
|
// session id
|
|
if (!strcmp(claims[i].key, "sessionId"))
|
|
{
|
|
const char* const sessionId = claims[i].value;
|
|
|
|
char newId[256];
|
|
const int idLen = snprintf(newId, sizeof(newId), "%llu-%s-%s",
|
|
(NucleusID_t)this->m_DataBlock.userData,
|
|
playerName,
|
|
g_ServerHostManager.GetHostIP().c_str());
|
|
|
|
if (idLen < 0)
|
|
ERROR_AND_RETURN("Session ID stitching failed");
|
|
|
|
uint8_t sessionHash[32]; // hash decoded from JWT token
|
|
V_hextobinary(sessionId, strlen(sessionId), sessionHash, sizeof(sessionHash));
|
|
|
|
uint8_t oobHash[32]; // hash of data collected from out of band packet
|
|
const int shRet = mbedtls_sha256((const uint8_t*)newId, idLen, oobHash, NULL);
|
|
|
|
if (shRet != NULL)
|
|
ERROR_AND_RETURN("Session ID hashing failed");
|
|
|
|
if (memcmp(oobHash, sessionHash, sizeof(sessionHash)) != 0)
|
|
ERROR_AND_RETURN("Token is not authorized for the connecting client");
|
|
|
|
foundSessionId = true;
|
|
}
|
|
}
|
|
|
|
if (!foundSessionId)
|
|
ERROR_AND_RETURN("No session ID");
|
|
|
|
l8w8jwt_free_claims(claims, numClaims);
|
|
|
|
#undef ERROR_AND_RETURN
|
|
#endif // !CLIENT_DLL
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: connect new client
|
|
// Input : *szName -
|
|
// *pNetChan -
|
|
// bFakePlayer -
|
|
// *conVars -
|
|
// *szMessage -
|
|
// nMessageSize -
|
|
// Output : true if connection was successful, false otherwise
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::Connect(const char* szName, CNetChan* pNetChan, bool bFakePlayer,
|
|
CUtlVector<NET_SetConVar::cvar_t>* conVars, char* szMessage, int nMessageSize)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
GetClientExtended()->Reset(); // Reset extended data.
|
|
#endif
|
|
|
|
if (!CClient__Connect(this, szName, pNetChan, bFakePlayer, conVars, szMessage, nMessageSize))
|
|
return false;
|
|
|
|
#ifndef CLIENT_DLL
|
|
|
|
#define REJECT_CONNECTION(fmt, ...) V_snprintf(szMessage, nMessageSize, fmt, ##__VA_ARGS__);
|
|
|
|
if (sv_onlineAuthEnable.GetBool())
|
|
{
|
|
char authFailReason[512];
|
|
if (!Authenticate(szName, authFailReason, sizeof(authFailReason)))
|
|
{
|
|
REJECT_CONNECTION("Failed to verify authentication token [%s]", authFailReason);
|
|
|
|
const bool bEnableLogging = sv_showconnecting.GetBool();
|
|
if (bEnableLogging)
|
|
{
|
|
const char* const netAdr = pNetChan ? pNetChan->GetAddress() : "<unknown>";
|
|
|
|
Warning(eDLL_T::SERVER, "Client '%s' ('%llu') failed online authentication! [%s]\n",
|
|
netAdr, (NucleusID_t)m_DataBlock.userData, authFailReason);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#undef REJECT_CONNECTION
|
|
#endif // !CLIENT_DLL
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: connect new client
|
|
// Input : *pClient -
|
|
// *szName -
|
|
// *pNetChan -
|
|
// bFakePlayer -
|
|
// *a5 -
|
|
// *szMessage -
|
|
// nMessageSize -
|
|
// Output : true if connection was successful, false otherwise
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VConnect(CClient* pClient, const char* szName, CNetChan* pNetChan, bool bFakePlayer,
|
|
CUtlVector<NET_SetConVar::cvar_t>* conVars, char* szMessage, int nMessageSize)
|
|
{
|
|
return pClient->Connect(szName, pNetChan, bFakePlayer, conVars, szMessage, nMessageSize);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: disconnect client
|
|
// Input : nRepLvl -
|
|
// *szReason -
|
|
// ... -
|
|
//---------------------------------------------------------------------------------
|
|
void CClient::Disconnect(const Reputation_t nRepLvl, const char* szReason, ...)
|
|
{
|
|
if (m_nSignonState != SIGNONSTATE::SIGNONSTATE_NONE)
|
|
{
|
|
char szBuf[1024];
|
|
{/////////////////////////////
|
|
va_list vArgs;
|
|
va_start(vArgs, szReason);
|
|
|
|
vsnprintf(szBuf, sizeof(szBuf), szReason, vArgs);
|
|
|
|
szBuf[sizeof(szBuf) - 1] = '\0';
|
|
va_end(vArgs);
|
|
}/////////////////////////////
|
|
CClient__Disconnect(this, nRepLvl, szBuf);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: activate player
|
|
// Input : *pClient -
|
|
//---------------------------------------------------------------------------------
|
|
void CClient::VActivatePlayer(CClient* pClient)
|
|
{
|
|
// Set the client instance to 'ready' before calling ActivatePlayer.
|
|
pClient->SetPersistenceState(PERSISTENCE::PERSISTENCE_READY);
|
|
CClient__ActivatePlayer(pClient);
|
|
|
|
#ifndef CLIENT_DLL
|
|
const CNetChan* pNetChan = pClient->GetNetChan();
|
|
|
|
if (pNetChan && sv_showconnecting.GetBool())
|
|
{
|
|
Msg(eDLL_T::SERVER, "Activated player #%d; channel %s(%s) ('%llu')\n",
|
|
pClient->GetUserID(), pNetChan->GetName(), pNetChan->GetAddress(), pClient->GetNucleusID());
|
|
}
|
|
#endif // !CLIENT_DLL
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: send a net message with replay.
|
|
// set 'CNetMessage::m_nGroup' to 'NoReplay' to disable replay.
|
|
// Input : *pMsg -
|
|
// bLocal -
|
|
// bForceReliable -
|
|
// bVoice -
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::SendNetMsgEx(CNetMessage* pMsg, bool bLocal, bool bForceReliable, bool bVoice)
|
|
{
|
|
if (!ShouldReplayMessage(pMsg))
|
|
{
|
|
// Don't copy the message into the replay buffer.
|
|
pMsg->m_nGroup = NetMessageGroup::NoReplay;
|
|
}
|
|
|
|
return CClient__SendNetMsgEx(this, pMsg, bLocal, bForceReliable, bVoice);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: send a snapshot
|
|
// Input : *pClient -
|
|
// *pFrame -
|
|
// nTick -
|
|
// nTickAck -
|
|
//---------------------------------------------------------------------------------
|
|
void* CClient::VSendSnapshot(CClient* pClient, CClientFrame* pFrame, int nTick, int nTickAck)
|
|
{
|
|
return CClient__SendSnapshot(pClient, pFrame, nTick, nTickAck);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: internal hook to 'CClient::SendNetMsgEx'
|
|
// Input : *pClient -
|
|
// *pMsg -
|
|
// bLocal -
|
|
// bForceReliable -
|
|
// bVoice -
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VSendNetMsgEx(CClient* pClient, CNetMessage* pMsg, bool bLocal, bool bForceReliable, bool bVoice)
|
|
{
|
|
return pClient->SendNetMsgEx(pMsg, bLocal, bForceReliable, bVoice);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: write data into data blocks to send to the client
|
|
// Input : &buf
|
|
//---------------------------------------------------------------------------------
|
|
void CClient::WriteDataBlock(CClient* pClient, bf_write& buf)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
if (net_data_block_enabled->GetBool())
|
|
{
|
|
buf.WriteUBitLong(net_NOP, NETMSG_TYPE_BITS);
|
|
|
|
const int remainingBits = buf.GetNumBitsWritten() % 8;
|
|
|
|
if (remainingBits && (8 - remainingBits) > 0)
|
|
{
|
|
// fill the last bits in the last byte with NOP
|
|
buf.WriteUBitLong(net_NOP, 8 - remainingBits);
|
|
}
|
|
|
|
const bool isMultiplayer = g_ServerGlobalVariables->m_nGameMode < GameMode_t::PVE_MODE;
|
|
pClient->m_DataBlock.sender.WriteDataBlock(buf.GetData(), buf.GetNumBytesWritten(), isMultiplayer, buf.GetDebugName());
|
|
}
|
|
else
|
|
{
|
|
pClient->m_NetChannel->SendData(buf, true);
|
|
}
|
|
#endif // !CLIENT_DLL
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: some versions of the binary have an optimization that shifts the 'this'
|
|
// pointer of the CClient structure by 8 bytes to avoid having to cache the vftable
|
|
// pointer if it never get used. Here we shift it back so it aligns again.
|
|
//---------------------------------------------------------------------------------
|
|
CClient* AdjustShiftedThisPointer(CClient* shiftedPointer)
|
|
{
|
|
/* Original function called method "CClient::ExecuteStringCommand" with an optimization
|
|
* that shifted the 'this' pointer with 8 bytes.
|
|
* Since this has been inlined with "CClient::ProcessStringCmd" as of S2, the shifting
|
|
* happens directly to anything calling this function. */
|
|
char* pShifted = reinterpret_cast<char*>(shiftedPointer) - 8;
|
|
return reinterpret_cast<CClient*>(pShifted);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: process string commands (kicking anyone attempting to DOS)
|
|
// Input : *pClient - (ADJ)
|
|
// *pMsg -
|
|
// Output : false if cmd should be passed to CServerGameClients
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VProcessStringCmd(CClient* pClient, NET_StringCmd* pMsg)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
CClient* const pClient_Adj = AdjustShiftedThisPointer(pClient);
|
|
|
|
// Jettison the cmd if the client isn't active.
|
|
if (!pClient_Adj->IsActive())
|
|
return true;
|
|
|
|
CClientExtended* const pSlot = pClient_Adj->GetClientExtended();
|
|
|
|
const double flStartTime = Plat_FloatTime();
|
|
const int nCmdQuotaLimit = sv_quota_stringCmdsPerSecond.GetInt();
|
|
|
|
if (!nCmdQuotaLimit)
|
|
return true;
|
|
|
|
const char* pCmd = pMsg->cmd;
|
|
// Just skip if the cmd pointer is null, we still check if the
|
|
// client sent too many commands and take appropriate actions.
|
|
// The internal function discards the command if it's null.
|
|
if (pCmd)
|
|
{
|
|
// There is an issue in CUtlBuffer::ParseToken() that causes it to read
|
|
// past its buffer; mostly seems to happen on 32bit, but a carefully
|
|
// crafted string should work on 64bit too). The fix is to just null
|
|
// everything past the maximum allowed length. The second 'theoretical'
|
|
// fix would be to properly fix CUtlBuffer::ParseToken() by computing
|
|
// the UTF8 character size each iteration and check if it still doesn't
|
|
// exceed bounds.
|
|
memset(&pMsg->buffer[STRINGCMD_MAX_LEN],
|
|
'\0', sizeof(pMsg->buffer) - (STRINGCMD_MAX_LEN));
|
|
|
|
if (!V_IsValidUTF8(pCmd))
|
|
{
|
|
Warning(eDLL_T::SERVER, "Removing client '%s' from slot #%i ('%llu' sent invalid string command!)\n",
|
|
pClient_Adj->GetNetChan()->GetAddress(), pClient_Adj->GetUserID(), pClient_Adj->GetNucleusID());
|
|
|
|
pClient_Adj->Disconnect(Reputation_t::REP_MARK_BAD, "#DISCONNECT_INVALID_STRINGCMD");
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (flStartTime - pSlot->m_flStringCommandQuotaTimeStart >= 1.0)
|
|
{
|
|
pSlot->m_flStringCommandQuotaTimeStart = flStartTime;
|
|
pSlot->m_nStringCommandQuotaCount = 0;
|
|
}
|
|
++pSlot->m_nStringCommandQuotaCount;
|
|
|
|
if (pSlot->m_nStringCommandQuotaCount > nCmdQuotaLimit)
|
|
{
|
|
Warning(eDLL_T::SERVER, "Removing client '%s' from slot #%i ('%llu' exceeded string command quota!)\n",
|
|
pClient_Adj->GetNetChan()->GetAddress(), pClient_Adj->GetUserID(), pClient_Adj->GetNucleusID());
|
|
|
|
pClient_Adj->Disconnect(Reputation_t::REP_MARK_BAD, "#DISCONNECT_STRINGCMD_OVERFLOW");
|
|
return true;
|
|
}
|
|
#endif // !CLIENT_DLL
|
|
|
|
return CClient__ProcessStringCmd(pClient, pMsg);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: process set convar
|
|
// Input : *pClient - (ADJ)
|
|
// *pMsg -
|
|
// Output :
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VProcessSetConVar(CClient* pClient, NET_SetConVar* pMsg)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
CClient* const pAdj = AdjustShiftedThisPointer(pClient);
|
|
CClientExtended* const pSlot = pAdj->GetClientExtended();
|
|
|
|
// This loop never exceeds 255 iterations, NET_SetConVar::ReadFromBuffer(...)
|
|
// reads and inserts up to 255 entries in the vector (reads a byte for size).
|
|
FOR_EACH_VEC(pMsg->m_ConVars, i)
|
|
{
|
|
const NET_SetConVar::cvar_t& entry = pMsg->m_ConVars[i];
|
|
const char* const name = entry.name;
|
|
const char* const value = entry.value;
|
|
|
|
// Discard any ConVar change request if it contains funky characters.
|
|
bool bFunky = false;
|
|
for (const char* s = name; *s != '\0'; ++s)
|
|
{
|
|
if (!V_isalnum(*s) && *s != '_')
|
|
{
|
|
bFunky = true;
|
|
break;
|
|
}
|
|
}
|
|
if (bFunky)
|
|
{
|
|
DevWarning(eDLL_T::SERVER, "Ignoring ConVar change request for variable '%s' from client '%s'; invalid characters in the variable name\n",
|
|
name, pAdj->GetClientName());
|
|
continue;
|
|
}
|
|
|
|
// The initial set of ConVars must contain all client ConVars that are
|
|
// flagged UserInfo. This is a simple fix to exploits that send bogus
|
|
// data later, and catches bugs, such as new UserInfo ConVars appearing
|
|
// later, which shouldn't happen.
|
|
if (pSlot->m_bInitialConVarsSet && !pAdj->m_ConVars->FindKey(name))
|
|
{
|
|
DevWarning(eDLL_T::SERVER, "UserInfo update from \"%s\" ignored: %s = %s\n",
|
|
pAdj->GetClientName(), name, value);
|
|
continue;
|
|
}
|
|
|
|
// Add ConVar to list and set string.
|
|
pAdj->m_ConVars->SetString(name, value);
|
|
DevMsg(eDLL_T::SERVER, "UserInfo update from \"%s\": %s = %s\n", pAdj->GetClientName(), name, value);
|
|
}
|
|
|
|
pSlot->m_bInitialConVarsSet = true;
|
|
pAdj->m_bConVarsChanged = true;
|
|
#endif // !CLIENT_DLL
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: process voice data
|
|
// Input : *pClient - (ADJ)
|
|
// *pMsg -
|
|
// Output :
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VProcessVoiceData(CClient* pClient, CLC_VoiceData* pMsg)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
char voiceDataBuffer[4096];
|
|
const int bitsRead = pMsg->m_DataIn.ReadBitsClamped(voiceDataBuffer, pMsg->m_nLength);
|
|
|
|
if (pMsg->m_DataIn.IsOverflowed())
|
|
return false;
|
|
|
|
CClient* const pAdj = AdjustShiftedThisPointer(pClient);
|
|
SV_BroadcastVoiceData(pAdj, Bits2Bytes(bitsRead), voiceDataBuffer);
|
|
#endif // !CLIENT_DLL
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: process durango voice data
|
|
// Input : *pClient - (ADJ)
|
|
// *pMsg -
|
|
// Output :
|
|
//---------------------------------------------------------------------------------
|
|
bool CClient::VProcessDurangoVoiceData(CClient* pClient, CLC_DurangoVoiceData* pMsg)
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
char voiceDataBuffer[4096];
|
|
const int bitsRead = pMsg->m_DataIn.ReadBitsClamped(voiceDataBuffer, pMsg->m_nLength);
|
|
|
|
if (pMsg->m_DataIn.IsOverflowed())
|
|
return false;
|
|
|
|
CClient* const pAdj = AdjustShiftedThisPointer(pClient);
|
|
SV_BroadcastDurangoVoiceData(pAdj, Bits2Bytes(bitsRead), voiceDataBuffer,
|
|
pMsg->m_xid, pMsg->m_unknown, pMsg->m_useVoiceStream, pMsg->m_skipXidCheck);
|
|
#endif // !CLIENT_DLL
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: set UserCmd time buffer
|
|
// Input : numUserCmdProcessTicksMax -
|
|
// tickInterval -
|
|
//---------------------------------------------------------------------------------
|
|
void CClientExtended::InitializeMovementTimeForUserCmdProcessing(const int numUserCmdProcessTicksMax, const float tickInterval)
|
|
{
|
|
// Grant the client some time buffer to execute user commands
|
|
m_flMovementTimeForUserCmdProcessingRemaining += tickInterval;
|
|
|
|
// but never accumulate more than N ticks
|
|
if (m_flMovementTimeForUserCmdProcessingRemaining > numUserCmdProcessTicksMax * tickInterval)
|
|
m_flMovementTimeForUserCmdProcessingRemaining = numUserCmdProcessTicksMax * tickInterval;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------
|
|
// Purpose: consume UserCmd time buffer
|
|
// Input : flTimeNeeded -
|
|
// Output : max time allowed for processing
|
|
//---------------------------------------------------------------------------------
|
|
float CClientExtended::ConsumeMovementTimeForUserCmdProcessing(const float flTimeNeeded)
|
|
{
|
|
if (m_flMovementTimeForUserCmdProcessingRemaining <= 0.0f)
|
|
return 0.0f;
|
|
else if (flTimeNeeded > m_flMovementTimeForUserCmdProcessingRemaining + FLT_EPSILON)
|
|
{
|
|
const float flResult = m_flMovementTimeForUserCmdProcessingRemaining;
|
|
m_flMovementTimeForUserCmdProcessingRemaining = 0.0f;
|
|
|
|
return flResult;
|
|
}
|
|
else
|
|
{
|
|
m_flMovementTimeForUserCmdProcessingRemaining -= flTimeNeeded;
|
|
|
|
if (m_flMovementTimeForUserCmdProcessingRemaining < 0.0f)
|
|
m_flMovementTimeForUserCmdProcessingRemaining = 0.0f;
|
|
|
|
return flTimeNeeded;
|
|
}
|
|
}
|
|
|
|
void VClient::Detour(const bool bAttach) const
|
|
{
|
|
#ifndef CLIENT_DLL
|
|
DetourSetup(&CClient__Clear, &CClient::VClear, bAttach);
|
|
DetourSetup(&CClient__Connect, &CClient::VConnect, bAttach);
|
|
DetourSetup(&CClient__ActivatePlayer, &CClient::VActivatePlayer, bAttach);
|
|
DetourSetup(&CClient__SendNetMsgEx, &CClient::VSendNetMsgEx, bAttach);
|
|
//DetourSetup(&CClient__SendSnapshot, &CClient::VSendSnapshot, bAttach);
|
|
DetourSetup(&CClient__WriteDataBlock, &CClient::WriteDataBlock, bAttach);
|
|
|
|
DetourSetup(&CClient__ProcessStringCmd, &CClient::VProcessStringCmd, bAttach);
|
|
DetourSetup(&CClient__ProcessSetConVar, &CClient::VProcessSetConVar, bAttach);
|
|
DetourSetup(&CClient__ProcessVoiceData, &CClient::VProcessVoiceData, bAttach);
|
|
DetourSetup(&CClient__ProcessDurangoVoiceData, &CClient::VProcessDurangoVoiceData, bAttach);
|
|
#endif // !CLIENT_DLL
|
|
}
|