365 lines
14 KiB
C++
365 lines
14 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod SourceTV Manager Extension
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* Copyright (C) 2004-2016 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include "extension.h"
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#include "forwards.h"
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CForwardManager g_pSTVForwards;
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SH_DECL_HOOK2_void(IDemoRecorder, StartRecording, SH_NOATTRIB, 0, const char *, bool)
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#if SOURCE_ENGINE == SE_CSGO
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SH_DECL_HOOK1_void(IDemoRecorder, StopRecording, SH_NOATTRIB, 0, CGameInfo const *)
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#else
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SH_DECL_HOOK0_void(IDemoRecorder, StopRecording, SH_NOATTRIB, 0)
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#endif
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#if SOURCE_ENGINE == SE_CSGO
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SH_DECL_MANUALHOOK13(CHLTVServer_ConnectClient, 0, 0, 0, IClient *, netadr_s &, int, int, int, const char *, const char *, const char *, int, CUtlVector<INetMessage *> &, bool, CrossPlayPlatform_t, const unsigned char *, int);
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SH_DECL_HOOK1_void(IClient, Disconnect, SH_NOATTRIB, 0, const char *);
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#else
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SH_DECL_MANUALHOOK9(CHLTVServer_ConnectClient, 0, 0, 0, IClient *, netadr_t &, int, int, int, int, const char *, const char *, const char *, int);
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SH_DECL_HOOK0_void_vafmt(IClient, Disconnect, SH_NOATTRIB, 0);
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#endif
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void CForwardManager::Init()
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{
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int offset = -1;
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if (!g_pGameConf->GetOffset("CHLTVServer::ConnectClient", &offset) || offset == -1)
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{
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smutils->LogError(myself, "Failed to get CHLTVServer::ConnectClient offset.");
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}
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else
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{
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SH_MANUALHOOK_RECONFIGURE(CHLTVServer_ConnectClient, offset, 0, 0);
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m_bHasClientConnectOffset = true;
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}
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m_StartRecordingFwd = forwards->CreateForward("SourceTV_OnStartRecording", ET_Ignore, 2, NULL, Param_Cell, Param_String);
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m_StopRecordingFwd = forwards->CreateForward("SourceTV_OnStopRecording", ET_Ignore, 3, NULL, Param_Cell, Param_String, Param_Cell);
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m_SpectatorPreConnectFwd = forwards->CreateForward("SourceTV_OnSpectatorPreConnect", ET_LowEvent, 4, NULL, Param_String, Param_String, Param_String, Param_String);
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m_SpectatorConnectedFwd = forwards->CreateForward("SourceTV_OnSpectatorConnected", ET_Ignore, 1, NULL, Param_Cell);
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m_SpectatorDisconnectFwd = forwards->CreateForward("SourceTV_OnSpectatorDisconnect", ET_Ignore, 2, NULL, Param_Cell, Param_String);
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m_SpectatorDisconnectedFwd = forwards->CreateForward("SourceTV_OnSpectatorDisconnected", ET_Ignore, 2, NULL, Param_Cell, Param_String);
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}
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void CForwardManager::Shutdown()
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{
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forwards->ReleaseForward(m_StartRecordingFwd);
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forwards->ReleaseForward(m_StopRecordingFwd);
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forwards->ReleaseForward(m_SpectatorPreConnectFwd);
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forwards->ReleaseForward(m_SpectatorConnectedFwd);
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forwards->ReleaseForward(m_SpectatorDisconnectFwd);
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forwards->ReleaseForward(m_SpectatorDisconnectedFwd);
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}
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void CForwardManager::HookRecorder(IDemoRecorder *recorder)
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{
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SH_ADD_HOOK(IDemoRecorder, StartRecording, recorder, SH_MEMBER(this, &CForwardManager::OnStartRecording_Post), true);
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SH_ADD_HOOK(IDemoRecorder, StopRecording, recorder, SH_MEMBER(this, &CForwardManager::OnStopRecording_Post), true);
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}
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void CForwardManager::UnhookRecorder(IDemoRecorder *recorder)
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{
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SH_REMOVE_HOOK(IDemoRecorder, StartRecording, recorder, SH_MEMBER(this, &CForwardManager::OnStartRecording_Post), true);
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SH_REMOVE_HOOK(IDemoRecorder, StopRecording, recorder, SH_MEMBER(this, &CForwardManager::OnStopRecording_Post), true);
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}
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void CForwardManager::HookServer(IServer *server)
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{
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if (!m_bHasClientConnectOffset)
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return;
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SH_ADD_MANUALHOOK(CHLTVServer_ConnectClient, server, SH_MEMBER(this, &CForwardManager::OnSpectatorConnect), false);
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SH_ADD_MANUALHOOK(CHLTVServer_ConnectClient, server, SH_MEMBER(this, &CForwardManager::OnSpectatorConnect_Post), true);
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// Hook all already connected clients as well for late loading
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for (int i = 0; i < server->GetClientCount(); i++)
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{
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IClient *client = server->GetClient(i);
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if (client->IsConnected())
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HookClient(client);
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}
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}
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void CForwardManager::UnhookServer(IServer *server)
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{
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if (!m_bHasClientConnectOffset)
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return;
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SH_REMOVE_MANUALHOOK(CHLTVServer_ConnectClient, server, SH_MEMBER(this, &CForwardManager::OnSpectatorConnect), false);
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SH_REMOVE_MANUALHOOK(CHLTVServer_ConnectClient, server, SH_MEMBER(this, &CForwardManager::OnSpectatorConnect_Post), true);
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// Unhook all connected clients as well.
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for (int i = 0; i < server->GetClientCount(); i++)
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{
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IClient *client = server->GetClient(i);
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if (client->IsConnected())
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UnhookClient(client);
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}
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}
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void CForwardManager::HookClient(IClient *client)
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{
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SH_ADD_HOOK(IClient, Disconnect, client, SH_MEMBER(this, &CForwardManager::OnSpectatorDisconnect), false);
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}
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void CForwardManager::UnhookClient(IClient *client)
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{
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SH_REMOVE_HOOK(IClient, Disconnect, client, SH_MEMBER(this, &CForwardManager::OnSpectatorDisconnect), false);
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}
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#if SOURCE_ENGINE == SE_CSGO
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// CBaseServer::RejectConnection(ns_address const&, char const*, ...)
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static void RejectConnection(IServer *server, netadr_t &address, char *pchReason)
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{
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static ICallWrapper *pRejectConnection = nullptr;
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if (!pRejectConnection)
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{
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int offset = -1;
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if (!g_pGameConf->GetOffset("CHLTVServer::RejectConnection", &offset) || offset == -1)
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{
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smutils->LogError(myself, "Failed to get CHLTVServer::RejectConnection offset.");
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return;
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}
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PassInfo pass[4];
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pass[0].flags = PASSFLAG_BYVAL;
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pass[0].type = PassType_Basic;
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pass[0].size = sizeof(void *);
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pass[1].flags = PASSFLAG_BYVAL;
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pass[1].type = PassType_Basic;
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pass[1].size = sizeof(void *);
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pass[2].flags = PASSFLAG_BYVAL;
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pass[2].type = PassType_Basic;
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pass[2].size = sizeof(char *);
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pass[3].flags = PASSFLAG_BYVAL;
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pass[3].type = PassType_Basic;
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pass[3].size = sizeof(char *);
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void **vtable = *(void ***)server;
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void *func = vtable[offset];
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pRejectConnection = bintools->CreateCall(func, CallConv_Cdecl, NULL, pass, 4);
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}
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static char fmt[] = "%s";
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if (pRejectConnection)
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{
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unsigned char vstk[sizeof(void *) * 2 + sizeof(char *) * 2];
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unsigned char *vptr = vstk;
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*(void **)vptr = (void *)server;
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vptr += sizeof(void *);
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*(void **)vptr = (void *)&address;
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vptr += sizeof(void *);
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*(char **)vptr = fmt;
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vptr += sizeof(char *);
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*(char **)vptr = pchReason;
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pRejectConnection->Execute(vstk, NULL);
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}
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}
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#else
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static void RejectConnection(IServer *server, netadr_t &address, int iClientChallenge, char *pchReason)
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{
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static ICallWrapper *pRejectConnection = nullptr;
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if (!pRejectConnection)
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{
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int offset = -1;
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if (!g_pGameConf->GetOffset("CHLTVServer::RejectConnection", &offset) || offset == -1)
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{
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smutils->LogError(myself, "Failed to get CHLTVServer::RejectConnection offset.");
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return;
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}
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PassInfo pass[3];
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pass[0].flags = PASSFLAG_BYVAL;
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pass[0].type = PassType_Basic;
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pass[0].size = sizeof(netadr_t *);
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pass[1].flags = PASSFLAG_BYVAL;
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pass[1].type = PassType_Basic;
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pass[1].size = sizeof(int);
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pass[2].flags = PASSFLAG_BYVAL;
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pass[2].type = PassType_Basic;
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pass[2].size = sizeof(char *);
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pRejectConnection = bintools->CreateVCall(offset, 0, 0, NULL, pass, 3);
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}
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if (pRejectConnection)
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{
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unsigned char vstk[sizeof(void *) + sizeof(netadr_t *) + sizeof(int) + sizeof(char *)];
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unsigned char *vptr = vstk;
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*(void **)vptr = (void *)server;
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vptr += sizeof(void *);
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*(netadr_t **)vptr = &address;
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vptr += sizeof(netadr_t *);
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*(int *)vptr = iClientChallenge;
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vptr += sizeof(int);
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*(char **)vptr = pchReason;
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pRejectConnection->Execute(vstk, NULL);
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}
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}
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#endif
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// Mimic Connect extension https://forums.alliedmods.net/showthread.php?t=162489
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// Thanks asherkin!
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char passwordBuffer[255];
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#if SOURCE_ENGINE == SE_CSGO
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// CHLTVServer::ConnectClient(ns_address const&, int, int, int, char const*, char const*, char const*, int, CUtlVector<CNetMessagePB<16, CCLCMsg_SplitPlayerConnect, 0, true> *, CUtlMemory<CNetMessagePB<16, CCLCMsg_SplitPlayerConnect, 0, true> *, int>> &, bool, CrossPlayPlatform_t, unsigned char const*, int)
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IClient *CForwardManager::OnSpectatorConnect(netadr_s & address, int nProtocol, int iChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie, CUtlVector<INetMessage *> &pSplitPlayerConnectVector, bool bUnknown, CrossPlayPlatform_t platform, const unsigned char *pUnknown, int iUnknown)
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#else
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IClient *CForwardManager::OnSpectatorConnect(netadr_t & address, int nProtocol, int iChallenge, int iClientChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie)
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#endif
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{
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if (!pCookie || cbCookie < sizeof(uint64))
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RETURN_META_VALUE(MRES_IGNORED, nullptr);
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char ipString[16];
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V_snprintf(ipString, sizeof(ipString), "%u.%u.%u.%u", address.ip[0], address.ip[1], address.ip[2], address.ip[3]);
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V_strncpy(passwordBuffer, pchPassword, 255);
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// SourceTV doesn't validate steamids?!
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char rejectReason[255];
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m_SpectatorPreConnectFwd->PushString(pchName);
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m_SpectatorPreConnectFwd->PushStringEx(passwordBuffer, 255, SM_PARAM_STRING_UTF8 | SM_PARAM_STRING_COPY, SM_PARAM_COPYBACK);
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m_SpectatorPreConnectFwd->PushString(ipString);
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m_SpectatorPreConnectFwd->PushStringEx(rejectReason, 255, SM_PARAM_STRING_UTF8 | SM_PARAM_STRING_COPY, SM_PARAM_COPYBACK);
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cell_t retVal = 1;
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m_SpectatorPreConnectFwd->Execute(&retVal);
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if (retVal == 0)
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{
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IServer *server = META_IFACEPTR(IServer);
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#if SOURCE_ENGINE == SE_CSGO
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RejectConnection(server, address, rejectReason);
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#else
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RejectConnection(server, address, iClientChallenge, rejectReason);
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#endif
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RETURN_META_VALUE(MRES_SUPERCEDE, nullptr);
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}
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pchPassword = passwordBuffer;
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#if SOURCE_ENGINE == SE_CSGO
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RETURN_META_VALUE_MNEWPARAMS(MRES_IGNORED, nullptr, CHLTVServer_ConnectClient, (address, nProtocol, iChallenge, nAuthProtocol, pchName, pchPassword, pCookie, cbCookie, pSplitPlayerConnectVector, bUnknown, platform, pUnknown, iUnknown));
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#else
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RETURN_META_VALUE_MNEWPARAMS(MRES_IGNORED, nullptr, CHLTVServer_ConnectClient, (address, nProtocol, iChallenge, iClientChallenge, nAuthProtocol, pchName, pchPassword, pCookie, cbCookie));
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#endif
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}
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#if SOURCE_ENGINE == SE_CSGO
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IClient *CForwardManager::OnSpectatorConnect_Post(netadr_s & address, int nProtocol, int iChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie, CUtlVector<INetMessage *> &pSplitPlayerConnectVector, bool bUnknown, CrossPlayPlatform_t platform, const unsigned char * pUnknown, int iUnknown)
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#else
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IClient *CForwardManager::OnSpectatorConnect_Post(netadr_t & address, int nProtocol, int iChallenge, int iClientChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie)
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#endif
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{
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IClient *client = META_RESULT_ORIG_RET(IClient *);
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if (!client)
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RETURN_META_VALUE(MRES_IGNORED, nullptr);
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HookClient(client);
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m_SpectatorConnectedFwd->PushCell(client->GetPlayerSlot()+1);
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m_SpectatorConnectedFwd->Execute();
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RETURN_META_VALUE(MRES_IGNORED, nullptr);
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}
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void CForwardManager::OnSpectatorDisconnect(const char *reason)
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{
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IClient *client = META_IFACEPTR(IClient);
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if (!client)
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RETURN_META(MRES_IGNORED);
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UnhookClient(client);
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char disconnectReason[255];
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V_strncpy(disconnectReason, reason, 255);
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int clientIndex = client->GetPlayerSlot() + 1;
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m_SpectatorDisconnectFwd->PushCell(clientIndex);
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m_SpectatorDisconnectFwd->PushStringEx(disconnectReason, 255, SM_PARAM_STRING_UTF8 | SM_PARAM_STRING_COPY, SM_PARAM_COPYBACK);
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m_SpectatorDisconnectFwd->Execute();
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#if SOURCE_ENGINE == SE_CSGO
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SH_CALL(client, &IClient::Disconnect)(disconnectReason);
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#else
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SH_CALL(client, &IClient::Disconnect)("%s", disconnectReason);
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#endif
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m_SpectatorDisconnectedFwd->PushCell(clientIndex);
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m_SpectatorDisconnectedFwd->PushString(disconnectReason);
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m_SpectatorDisconnectedFwd->Execute();
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RETURN_META(MRES_SUPERCEDE);
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}
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void CForwardManager::OnStartRecording_Post(const char *filename, bool bContinuously)
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{
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if (m_StartRecordingFwd->GetFunctionCount() == 0)
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RETURN_META(MRES_IGNORED);
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m_StartRecordingFwd->PushCell(0); // TODO: Get current hltvserver index
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m_StartRecordingFwd->PushString(filename);
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m_StartRecordingFwd->Execute();
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RETURN_META(MRES_IGNORED);
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}
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#if SOURCE_ENGINE == SE_CSGO
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void CForwardManager::OnStopRecording_Post(CGameInfo const *info)
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#else
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void CForwardManager::OnStopRecording_Post()
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#endif
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{
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if (m_StopRecordingFwd->GetFunctionCount() == 0)
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RETURN_META(MRES_IGNORED);
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IDemoRecorder *recorder = META_IFACEPTR(IDemoRecorder);
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if (!recorder->IsRecording())
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RETURN_META(MRES_IGNORED);
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char *pDemoFile = (char *)recorder->GetDemoFile();
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m_StopRecordingFwd->PushCell(0); // TODO: Get current hltvserver index
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m_StopRecordingFwd->PushString(pDemoFile);
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m_StopRecordingFwd->PushCell(recorder->GetRecordingTick());
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m_StopRecordingFwd->Execute();
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RETURN_META(MRES_IGNORED);
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} |