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serverplugin.cpp
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serverplugin.cpp
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//========= Copyright (C) 2016, Saul Rennison, All rights reserved. ===========
//
// Written: October 2016
// Author: Saul Rennison
//
//=============================================================================
#include <stdio.h>
#include <map>
#include <vector>
#include <string>
#include "interface.h"
#include "dbg.h"
#include "tier1/tier1.h"
#include "engine/iserverplugin.h"
#include "ihltvdirector.h"
#include "eiface.h"
#include "convar.h"
#include "Color.h"
#include "fmtstr.h"
#include "server_class.h"
#include "version.h"
//-----------------------------------------------------------------------------
// Colours
//-----------------------------------------------------------------------------
#define COLOUR_YELLOW Color(255,255,0,255)
#define COLOUR_CYAN Color(0,255,255,255)
#define COLOUR_GREEN Color(0,255,0,255)
//-----------------------------------------------------------------------------
// Interface globals
//-----------------------------------------------------------------------------
CreateInterfaceFn g_gameServerFactory = NULL;
IServerGameDLL *serverGameDll = NULL;
IHLTVDirector *hltvdirector = NULL;
//-----------------------------------------------------------------------------
// Purpose: interface load helper
//-----------------------------------------------------------------------------
template<typename T>
bool LoadInterface(T*& pResult, CreateInterfaceFn factory, const char *pszInterfaceName, int nVersionStart)
{
Msg("cvar-unhide: Loading %s%.3d ", pszInterfaceName, nVersionStart);
for (int i = nVersionStart; i < nVersionStart + 5; ++i)
{
CFmtStr strInterfaceString("%s%.3d", pszInterfaceName, i);
if (i > nVersionStart)
Msg(" - trying %s... ", strInterfaceString.Access());
int nResult = IFACE_FAILED;
T* pInterface = (T*)factory(strInterfaceString, &nResult);
if(nResult == IFACE_OK)
{
ConColorMsg(COLOUR_GREEN, "OK\n");
pResult = pInterface;
return true;
}
Warning("FAILED\n");
}
Warning(" - giving up.\n");
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
class CServerPlugin : public IServerPluginCallbacks
{
public:
CServerPlugin();
~CServerPlugin();
// IServerPluginCallbacks methods
public:
virtual bool Load( CreateInterfaceFn interfaceFactory, CreateInterfaceFn gameServerFactory );
virtual void Unload();
virtual void Pause() {};
virtual void UnPause() {};
virtual const char *GetPluginDescription( void );
virtual void LevelInit( const char *pMapName );
virtual void ServerActivate( edict_t *pEdictList, int edictCount, int clientMax ) {};
virtual void GameFrame( bool simulating ) {};
virtual void LevelShutdown();
virtual void ClientActive( edict_t *pEntity ) {};
virtual void ClientFullyConnect( edict_t *pEntity ) {};
virtual void ClientDisconnect( edict_t *pEntity ) {};
virtual void ClientPutInServer( edict_t *pEntity, const char *playername ) {};
virtual void SetCommandClient( int index );
virtual void ClientSettingsChanged( edict_t *pEdict ) {};
virtual PLUGIN_RESULT ClientConnect( bool *bAllowConnect, edict_t *pEntity, const char *pszName, const char *pszAddress, char *reject, int maxrejectlen ) { return PLUGIN_CONTINUE; }
virtual PLUGIN_RESULT ClientCommand( edict_t *pEntity, const CCommand &args ) { return PLUGIN_CONTINUE; }
virtual PLUGIN_RESULT NetworkIDValidated( const char *pszUserName, const char *pszNetworkID ) { return PLUGIN_CONTINUE; }
virtual void OnQueryCvarValueFinished( QueryCvarCookie_t iCookie, edict_t *pPlayerEntity, EQueryCvarValueStatus eStatus, const char *pCvarName, const char *pCvarValue ) {};
virtual void OnEdictAllocated( edict_t *edict ) {};
virtual void OnEdictFreed( const edict_t *edict ) {};
virtual bool BNetworkCryptKeyCheckRequired(uint32 unFromIP, uint16 usFromPort, uint32 unAccountIdProvidedByClient,
bool bClientWantsToUseCryptKey) { return false; };
virtual bool BNetworkCryptKeyValidate(uint32 unFromIP, uint16 usFromPort, uint32 unAccountIdProvidedByClient,
int nEncryptionKeyIndexFromClient, int numEncryptedBytesFromClient, byte* pbEncryptedBufferFromClient,
byte* pbPlainTextKeyForNetchan) { return false; }
// Internal interface
public:
int GetCommandIndex() { return m_iClientCommandIndex; }
private:
int m_iClientCommandIndex;
};
//-----------------------------------------------------------------------------
// Singleton accessor
//-----------------------------------------------------------------------------
CServerPlugin g_Plugin;
EXPOSE_SINGLE_INTERFACE_GLOBALVAR(CServerPlugin, IServerPluginCallbacks, INTERFACEVERSION_ISERVERPLUGINCALLBACKS, g_Plugin);
//-----------------------------------------------------------------------------
// Purpose: constructor/destructor
//-----------------------------------------------------------------------------
CServerPlugin::CServerPlugin()
{
m_iClientCommandIndex = 0;
}
CServerPlugin::~CServerPlugin()
{
}
//-----------------------------------------------------------------------------
// Purpose: called when the plugin is loaded, load the interface we need from the engine
//-----------------------------------------------------------------------------
bool CServerPlugin::Load(CreateInterfaceFn interfaceFactory, CreateInterfaceFn gameServerFactory)
{
ConnectTier1Libraries(&interfaceFactory, 1);
g_gameServerFactory = gameServerFactory;
MathLib_Init();
ConVar_Register();
return true;
}
//-----------------------------------------------------------------------------
// Purpose: called when the plugin is unloaded (turned off)
//-----------------------------------------------------------------------------
void CServerPlugin::Unload()
{
ConVar_Unregister();
DisconnectTier1Libraries();
}
//-----------------------------------------------------------------------------
// Purpose: the name of this plugin, returned in "plugin_print" command
//-----------------------------------------------------------------------------
const char *CServerPlugin::GetPluginDescription()
{
return "cvar-unhide, " CVAR_UNHIDE_VERSION ", Saul Rennison";
}
//-----------------------------------------------------------------------------
// Purpose: called on level start
//-----------------------------------------------------------------------------
void CServerPlugin::LevelInit(const char *pMapName)
{
}
//-----------------------------------------------------------------------------
// Purpose: called on level end (as the server is shutting down or going to a new map)
//-----------------------------------------------------------------------------
void CServerPlugin::LevelShutdown()
{
}
//-----------------------------------------------------------------------------
// Purpose: called on level start
//-----------------------------------------------------------------------------
void CServerPlugin::SetCommandClient( int index )
{
m_iClientCommandIndex = index;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CON_COMMAND(cvar_unhide_all, "Unhide all FCVAR_HIDDEN and FCVAR_DEVELOPMENTONLY convars")
{
ICvar::Iterator iter(g_pCVar);
int nUnhidden = 0;
for (iter.SetFirst(); iter.IsValid(); iter.Next())
{
ConCommandBase *cmd = iter.Get();
if (cmd->IsFlagSet(FCVAR_DEVELOPMENTONLY | FCVAR_HIDDEN))
nUnhidden++;
cmd->RemoveFlags(FCVAR_DEVELOPMENTONLY | FCVAR_HIDDEN);
}
Msg("cvar_unhide_all: Removed FCVAR_DEVELOPMENTONLY and FCVAR_HIDDEN from %d ConVars\n", nUnhidden);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CON_COMMAND(find_all, "Replica of \"find\". Ignores FCVAR_HIDDEN or FCVAR_DEVELOPMENTONLY flags")
{
if (args.ArgC() != 2)
{
Warning("find_full: Syntax: <search>\n");
return;
}
ICvar::Iterator iter(g_pCVar);
for (iter.SetFirst(); iter.IsValid(); iter.Next())
{
ConCommandBase *cmd = iter.Get();
if (!V_stristr(cmd->GetName(), args[1]) && !V_stristr(cmd->GetHelpText(), args[1]))
continue;
ConVar_PrintDescription(cmd);
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
static std::string ConvarFlagsString(const ConCommandBase *cmd)
{
std::vector<std::string> flags;
if (cmd->IsFlagSet(FCVAR_DEVELOPMENTONLY))
flags.push_back("devonly");
if (cmd->IsFlagSet(FCVAR_GAMEDLL))
flags.push_back("sv");
if (cmd->IsFlagSet(FCVAR_CLIENTDLL))
flags.push_back("cl");
if (cmd->IsFlagSet(FCVAR_HIDDEN))
flags.push_back("hidden");
if (cmd->IsFlagSet(FCVAR_PROTECTED))
flags.push_back("prot");
if (cmd->IsFlagSet(FCVAR_SPONLY))
flags.push_back("sp");
if (cmd->IsFlagSet(FCVAR_ARCHIVE))
flags.push_back("a");
if (cmd->IsFlagSet(FCVAR_NOTIFY))
flags.push_back("nf");
if (cmd->IsFlagSet(FCVAR_USERINFO))
flags.push_back("user");
if (cmd->IsFlagSet(FCVAR_PRINTABLEONLY))
flags.push_back("print");
if (cmd->IsFlagSet(FCVAR_NEVER_AS_STRING))
flags.push_back("numeric");
if (cmd->IsFlagSet(FCVAR_REPLICATED))
flags.push_back("rep");
if (cmd->IsFlagSet(FCVAR_CHEAT))
flags.push_back("cheat");
if (cmd->IsFlagSet(FCVAR_SS))
flags.push_back("ss");
if (cmd->IsFlagSet(FCVAR_DEMO))
flags.push_back("demo");
if (cmd->IsFlagSet(FCVAR_DONTRECORD))
flags.push_back("norecord");
std::string result;
bool bFirst = true;
for (auto flag : flags)
{
if (bFirst)
bFirst = false;
else
result += ", ";
result += "\"" + flag + "\"";
}
return result;
}
void string_replace(std::string& data, std::string toSearch, std::string replaceStr)
{
// Get the first occurrence
size_t pos = data.find(toSearch);
// Repeat till end is reached
while (pos != std::string::npos)
{
// Replace this occurrence of Sub String
data.replace(pos, toSearch.size(), replaceStr);
// Get the next occurrence from the current position
pos = data.find(toSearch, pos + replaceStr.size());
}
}
CON_COMMAND(cvarlist_all, "List all ConVars. Syntax: [hidden]")
{
ICvar::Iterator iter(g_pCVar);
std::map<std::string, ConCommandBase*> allCvars;
for (iter.SetFirst(); iter.IsValid(); iter.Next())
{
ConCommandBase *cmd = iter.Get();
if(args.FindArg("hidden") && !cmd->IsFlagSet(FCVAR_DEVELOPMENTONLY | FCVAR_HIDDEN))
continue;
allCvars[cmd->GetName()] = cmd;
}
Msg("Name | Default | Flags | Description\n");
Msg("---- | ------- | ----- | -----------\n");
for (auto pair : allCvars)
{
auto name = pair.first;
auto cmd = pair.second;
Msg("%-41s | ", name.c_str());
if (cmd->IsCommand())
{
Msg("%-8s | ", "cmd");
}
else
{
auto cvar = static_cast<ConVar*>(cmd);
Msg("%-8s | ", cvar->GetDefault());
}
Msg("%-16s | ", ConvarFlagsString(cmd).c_str());
std::string helpText{ cmd->GetHelpText() };
string_replace(helpText, "\\", "\\\\");
string_replace(helpText, "<", "<");
string_replace(helpText, ">", ">");
string_replace(helpText, "[", "\\[");
string_replace(helpText, "]", "\\]");
string_replace(helpText, "\n", "<br>");
string_replace(helpText, "|", "\\|");
Msg("%s\n", helpText.c_str());
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CON_COMMAND(force_dispatch, "Dispatch a command regardless of any hidden, cheat or developmentonly flags")
{
if (args.ArgC() < 2)
{
Warning("force_dispatch: Syntax: <command> [arg 1] [arg 2] [...] [arg n]\n");
return;
}
ConCommand *pCC = g_pCVar->FindCommand(args[1]);
if (!pCC)
{
Warning("force_dispatch: Unable to find ConCommand %s\n", args[1]);
return;
}
CCommand cmd;
cmd.Tokenize(args.ArgS());
pCC->Dispatch(cmd);
Msg("force_dispatch: Dispatched %s (args: %s)\n", args[1], cmd.ArgS());
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
class DummyCopier : ConCommandBase
{
public:
char* CopyString(const char* from)
{
return ConCommandBase::CopyString(from);
}
} copier;
CON_COMMAND(cvar_set, "Set the value of a ConVar regardless of its maximum/minimum values")
{
if (args.ArgC() < 3)
{
Warning("cvar_set: Syntax: <var> <value> [nocallback]\n");
return;
}
ConVar *pVar = g_pCVar->FindVar(args[1]);
if (!pVar)
{
Warning("cvar_set: Unable to find ConVar %s\n", args[1]);
return;
}
bool bNoCallback = args.FindArg("nocallback") != NULL;
const char *pszNewValue = args[2];
ConVar::CVValue_t &value = pVar->GetRawValue();
char* pszOldValue = (char*)stackalloc(value.m_StringLength);
memcpy(pszOldValue, value.m_pszString, value.m_StringLength);
float flOldValue = value.m_fValue;
value.m_nValue = atoi(pszNewValue);
value.m_fValue = atof(pszNewValue);
int len = Q_strlen(pszNewValue) + 1;
if (len > value.m_StringLength)
{
// Copies string using tier1 local new/delete operators
// This leaks the old string, but we don't have tier1's delete[] to hand
value.m_pszString = copier.CopyString(pszNewValue);
value.m_StringLength = len;
}
else
{
memcpy(value.m_pszString, pszNewValue, len);
}
// Invoke any necessary callback function
if (!bNoCallback)
{
for (int i = 0; i < pVar->GetChangeCallbackCount(); i++)
{
pVar->GetChangeCallback(i)(pVar, pszOldValue, flOldValue);
}
g_pCVar->CallGlobalChangeCallbacks(pVar, pszOldValue, flOldValue);
}
Msg("cvar_set: Set %s => %s\n", args[1], pszNewValue);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void DumpSendTable(SendTable *pTable, int nDepth)
{
if (!pTable || nDepth == 0)
return;
static int s_iIndent = 0;
s_iIndent += 4;
Msg("%*s Table: %s [%d props]\n", s_iIndent, "-", pTable->GetName(), pTable->GetNumProps());
for (int i = 0; i < pTable->GetNumProps(); ++i)
{
SendProp *pProp = pTable->GetProp(i);
s_iIndent += 4;
Msg("%*s %s (offset: %d, type: ", s_iIndent, "-", pProp->GetName(), pProp->GetOffset());
switch (pProp->GetType())
{
case DPT_Int: Msg("int"); break;
case DPT_Float: Msg("float"); break;
case DPT_Vector: Msg("vector"); break;
case DPT_VectorXY: Msg("vector2d"); break;
case DPT_String: Msg("string"); break;
case DPT_Array: Msg("array[%d]", pProp->GetNumElements()); break;
case DPT_DataTable: Msg("datatable"); break;
case DPT_Int64: Msg("int64"); break;
default: Warning("unknown"); break;
}
Msg(")\n");
if (pProp->GetType() == DPT_DataTable)
DumpSendTable(pProp->GetDataTable(), nDepth-1);
s_iIndent -= 4;
}
s_iIndent -= 4;
}
//-----------------------------------------------------------------------------
// Purpose: Dump all network props.
//-----------------------------------------------------------------------------
CON_COMMAND(dump_netprops, "Dump all network props. Syntax: [table depth = 1]. A table depth of -1 indicates infinite depth.")
{
int nDepth = 1;
if (args.ArgC() == 2)
nDepth = atoi(args.Arg(1));
if (serverGameDll == NULL &&
!LoadInterface<IServerGameDLL>(serverGameDll, g_gameServerFactory, "ServerGameDLL", 5))
{
return;
}
for (ServerClass *pServerClass = serverGameDll->GetAllServerClasses(); pServerClass; pServerClass = pServerClass->m_pNext)
{
Msg("Class: %s [%d]\n", pServerClass->GetName(), pServerClass->m_ClassID);
DumpSendTable(pServerClass->m_pTable, nDepth);
Msg("\n");
}
}
//-----------------------------------------------------------------------------
// Purpose: Dump HLTV director mod events.
//-----------------------------------------------------------------------------
CON_COMMAND(hltv_modevents, "Dump HLTV director mod events.")
{
if (hltvdirector == NULL &&
!LoadInterface<IHLTVDirector>(hltvdirector, g_gameServerFactory, "HLTVDirector", 1))
{
return;
}
Msg("HLTVDirector::GetModEvents:\n");
for (const char** modevents = hltvdirector->GetModEvents(); *modevents != NULL; ++modevents)
{
const char* eventname = *modevents;
Msg("- %s\n", eventname);
}
}