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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "WardenCheckMgr.h"
#include "Common.h"
#include "DatabaseEnv.h"
#include "Errors.h"
#include "Log.h"
#include "Warden.h"
#include "World.h"
#include "WorldPacket.h"
#include "WorldSession.h"
WardenCheckMgr::WardenCheckMgr()
{
}
void WardenCheckMgr::LoadWardenChecks()
{
uint32 oldMSTime = getMSTime();
// Check if Warden is enabled by config before loading anything
if (!sWorld->getBoolConfig(CONFIG_WARDEN_ENABLED))
{
TC_LOG_INFO("warden", ">> Warden disabled, loading checks skipped.");
return;
}
QueryResult result = WorldDatabase.Query("SELECT MAX(id) FROM warden_checks");
if (!result)
{
TC_LOG_INFO("server.loading", ">> Loaded 0 Warden checks. DB table `warden_checks` is empty!");
return;
}
Field* fields = result->Fetch();
uint16 maxCheckId = fields[0].GetUInt16();
_checks.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 const id = fields[0].GetUInt16();
WardenCheckType const type = static_cast<WardenCheckType>(fields[1].GetUInt8());
WardenCheckCategory const category = GetWardenCheckCategory(type);
if (category == NUM_CHECK_CATEGORIES)
{
TC_LOG_ERROR("sql.sql", "Warden check with id %u lists check type %u in `warden_checks`, which is not supported. Skipped.", id, type);
continue;
}
if ((type == LUA_EVAL_CHECK) && (id > 9999))
{
TC_LOG_ERROR("sql.sql", "Warden Lua check with id %u found in `warden_checks`. Lua checks may have four-digit IDs at most. Skipped.", id);
continue;
}
WardenCheck& wardenCheck = _checks[id];
wardenCheck.CheckId = id;
wardenCheck.Type = type;
if (type == PAGE_CHECK_A || type == PAGE_CHECK_B || type == DRIVER_CHECK)
wardenCheck.Data = fields[2].GetBinary();
if (type == MPQ_CHECK || type == MEM_CHECK)
_checkResults.emplace(id, fields[3].GetBinary());
if (type == MEM_CHECK || type == PAGE_CHECK_A || type == PAGE_CHECK_B || type == PROC_CHECK)
wardenCheck.Address = fields[4].GetUInt32();
if (type == PAGE_CHECK_A || type == PAGE_CHECK_B || type == PROC_CHECK)
wardenCheck.Length = fields[5].GetUInt8();
// PROC_CHECK support missing
if (type == MEM_CHECK || type == MPQ_CHECK || type == LUA_EVAL_CHECK || type == DRIVER_CHECK || type == MODULE_CHECK)
wardenCheck.Str = fields[6].GetString();
wardenCheck.Comment = fields[7].GetString();
if (wardenCheck.Comment.empty())
wardenCheck.Comment = "Undocumented Check";
if (type == LUA_EVAL_CHECK)
{
if (wardenCheck.Str.size() > WARDEN_MAX_LUA_CHECK_LENGTH)
{
TC_LOG_ERROR("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 = Trinity::StringFormat("%04u", id);
ASSERT(str.size() == 4);
std::copy(str.begin(), str.end(), wardenCheck.IdStr.begin());
}
// initialize action with default action from config, this may be overridden later
wardenCheck.Action = WardenActions(sWorld->getIntConfig(CONFIG_WARDEN_CLIENT_FAIL_ACTION));
_pools[category].push_back(id);
++count;
}
while (result->NextRow());
TC_LOG_INFO("server.loading", ">> Loaded %u warden checks in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
}
void WardenCheckMgr::LoadWardenOverrides()
{
uint32 oldMSTime = getMSTime();
// Check if Warden is enabled by config before loading anything
if (!sWorld->getBoolConfig(CONFIG_WARDEN_ENABLED))
{
TC_LOG_INFO("warden", ">> Warden disabled, loading check overrides skipped.");
return;
}
// 0 1
QueryResult result = CharacterDatabase.Query("SELECT wardenId, action FROM warden_action");
if (!result)
{
TC_LOG_INFO("server.loading", ">> Loaded 0 Warden action overrides. DB table `warden_action` is empty!");
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)
TC_LOG_ERROR("warden", "Warden check override action out of range (ID: %u, action: %u)", checkId, action);
// Check if check actually exists before accessing the _checks vector
else if (checkId >= _checks.size())
TC_LOG_ERROR("warden", "Warden check action override for non-existing check (ID: %u, action: %u), skipped", checkId, action);
else
{
_checks[checkId].Action = WardenActions(action);
++count;
}
}
while (result->NextRow());
TC_LOG_INFO("server.loading", ">> Loaded %u warden action overrides in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
}
WardenCheckMgr* WardenCheckMgr::instance()
{
static WardenCheckMgr instance;
return &instance;
}
WardenCheck const& WardenCheckMgr::GetCheckData(uint16 Id) const
{
ASSERT(Id < _checks.size(), "Requested Warden data for invalid check ID %u", uint32(Id));
return _checks[Id];
}
WardenCheckResult const& WardenCheckMgr::GetCheckResult(uint16 Id) const
{
auto it = _checkResults.find(Id);
ASSERT(it != _checkResults.end(), "Requested Warden result for invalid check ID %u", uint32(Id));
return it->second;
}
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