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/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#include "Common.h"
#include "Database/DatabaseEnv.h"
#include "Log.h"
#include "Util.h"
#include "Warden.h"
#include "WardenCheckMgr.h"
#include "WorldPacket.h"
#include "WorldSession.h"
WardenCheckMgr::WardenCheckMgr()
{
}
WardenCheckMgr::~WardenCheckMgr()
{
}
WardenCheckMgr* WardenCheckMgr::instance()
{
static WardenCheckMgr instance;
return &instance;
}
void WardenCheckMgr::LoadWardenChecks()
{
// Check if Warden is enabled by config before loading anything
if (!sWorld->getBoolConfig(CONFIG_WARDEN_ENABLED))
{
sLog->outString(">> Warden disabled, loading checks skipped.");
sLog->outString();
return;
}
QueryResult result = WorldDatabase.Query("SELECT MAX(id) FROM warden_checks");
if (!result)
{
sLog->outString(">> Loaded 0 Warden checks. DB table `warden_checks` is empty!");
sLog->outString();
return;
}
Field* fields = result->Fetch();
uint16 maxCheckId = fields[0].GetUInt16();
CheckStore.resize(maxCheckId + 1);
// 0 1 2 3 4 5 6 7
result = WorldDatabase.Query("SELECT id, type, data, result, address, length, str, comment FROM warden_checks ORDER BY id ASC");
uint32 count = 0;
do
{
fields = result->Fetch();
uint16 id = fields[0].GetUInt16();
uint8 checkType = fields[1].GetUInt8();
if (checkType == LUA_EVAL_CHECK && id > 9999)
{
sLog->outError("sql.sql: Warden Lua check with id %u found in `warden_checks`. Lua checks may have four-digit IDs at most. Skipped.", id);
continue;
}
std::string data = fields[2].GetString();
std::string checkResult = fields[3].GetString();
uint32 address = fields[4].GetUInt32();
uint8 length = fields[5].GetUInt8();
std::string str = fields[6].GetString();
std::string comment = fields[7].GetString();
WardenCheck &wardenCheck = CheckStore.at(id);
wardenCheck.Type = checkType;
wardenCheck.CheckId = id;
// Initialize action with default action from config
wardenCheck.Action = sWorld->getIntConfig(CONFIG_WARDEN_CLIENT_FAIL_ACTION);
if (wardenCheck.Action > MAX_WARDEN_ACTION)
{
wardenCheck.Action = WARDEN_ACTION_BAN;
}
if (checkType == MEM_CHECK || checkType == PAGE_CHECK_A || checkType == PAGE_CHECK_B || checkType == PROC_CHECK)
{
wardenCheck.Address = address;
wardenCheck.Length = length;
}
// PROC_CHECK support missing
if (checkType == MEM_CHECK || checkType == MPQ_CHECK || checkType == LUA_EVAL_CHECK || checkType == DRIVER_CHECK || checkType == MODULE_CHECK)
{
wardenCheck.Str = str;
}
if (checkType == MPQ_CHECK || checkType == MEM_CHECK)
{
WardenCheckResult wr;
wr.Result.SetHexStr(checkResult.c_str());
int len = static_cast<int>(checkResult.size()) / 2;
if (wr.Result.GetNumBytes() < len)
{
uint8* temp = new uint8[len];
memset(temp, 0, len);
memcpy(temp, wr.Result.AsByteArray().get(), wr.Result.GetNumBytes());
std::reverse(temp, temp + len);
wr.Result.SetBinary((uint8*)temp, len);
delete [] temp;
}
CheckResultStore[id] = wr;
}
if (comment.empty())
wardenCheck.Comment = "Undocumented Check";
else
wardenCheck.Comment = comment;
// Prepare check pools
switch (checkType)
{
case MEM_CHECK:
case MODULE_CHECK:
{
CheckIdPool[WARDEN_CHECK_MEM_TYPE].push_back(id);
break;
}
case LUA_EVAL_CHECK:
{
if (wardenCheck.Length > WARDEN_MAX_LUA_CHECK_LENGTH)
{
sLog->outError("sql.sql: Found over-long Lua check for Warden check with id %u in `warden_checks`. Max length is %u. Skipped.", id, WARDEN_MAX_LUA_CHECK_LENGTH);
continue;
}
std::string str = fmt::sprintf("%04u", id);
ASSERT(str.size() == 4);
std::copy(str.begin(), str.end(), wardenCheck.IdStr.begin());
CheckIdPool[WARDEN_CHECK_LUA_TYPE].push_back(id);
break;
}
default:
{
if (checkType == PAGE_CHECK_A || checkType == PAGE_CHECK_B || checkType == DRIVER_CHECK)
{
wardenCheck.Data.SetHexStr(data.c_str());
int len = static_cast<int>(data.size()) / 2;
if (wardenCheck.Data.GetNumBytes() < len)
{
uint8 temp[24];
memset(temp, 0, len);
memcpy(temp, wardenCheck.Data.AsByteArray().get(), wardenCheck.Data.GetNumBytes());
std::reverse(temp, temp + len);
wardenCheck.Data.SetBinary((uint8*)temp, len);
}
}
CheckIdPool[WARDEN_CHECK_OTHER_TYPE].push_back(id);
break;
}
}
++count;
} while (result->NextRow());
sLog->outString(">> Loaded %u warden checks.", count);
sLog->outString();
}
void WardenCheckMgr::LoadWardenOverrides()
{
// Check if Warden is enabled by config before loading anything
if (!sWorld->getBoolConfig(CONFIG_WARDEN_ENABLED))
{
sLog->outString(">> Warden disabled, loading check overrides skipped.");
sLog->outString();
return;
}
// 0 1
QueryResult result = CharacterDatabase.Query("SELECT wardenId, action FROM warden_action");
if (!result)
{
sLog->outString(">> Loaded 0 Warden action overrides. DB table `warden_action` is empty!");
sLog->outString();
return;
}
uint32 count = 0;
do
{
Field* fields = result->Fetch();
uint16 checkId = fields[0].GetUInt16();
uint8 action = fields[1].GetUInt8();
// Check if action value is in range (0-2, see WardenActions enum)
if (action > WARDEN_ACTION_BAN)
sLog->outError("Warden check override action out of range (ID: %u, action: %u)", checkId, action);
// Check if check actually exists before accessing the CheckStore vector
else if (checkId > CheckStore.size())
sLog->outError("Warden check action override for non-existing check (ID: %u, action: %u), skipped", checkId, action);
else
{
CheckStore.at(checkId).Action = WardenActions(action);
++count;
}
} while (result->NextRow());
sLog->outString(">> Loaded %u warden action overrides.", count);
sLog->outString();
}
WardenCheck const* WardenCheckMgr::GetWardenDataById(uint16 Id)
{
if (Id < CheckStore.size())
return &CheckStore.at(Id);
return nullptr;
}
WardenCheckResult const* WardenCheckMgr::GetWardenResultById(uint16 Id)
{
CheckResultContainer::const_iterator itr = CheckResultStore.find(Id);
if (itr != CheckResultStore.end())
{
return &itr->second;
}
return nullptr;
}
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