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https://github.com/azerothcore/mod-anticheat.git
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Initial upload of AnticheatModule
This commit is contained in:
3ndos
430
src/AnticheatMgr.cpp
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430
src/AnticheatMgr.cpp
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@@ -0,0 +1,430 @@
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AnticheatMgr.h"
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#include "MapManager.h"
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#include "Player.h"
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#include "Configuration\Config.h"
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#define CLIMB_ANGLE 1.9f
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AnticheatMgr::AnticheatMgr()
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{
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}
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AnticheatMgr::~AnticheatMgr()
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{
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m_Players.clear();
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}
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void AnticheatMgr::JumpHackDetection(Player* player, MovementInfo /* movementInfo */,uint32 opcode)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectJumpHack", true))
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return;
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uint32 key = player->GetGUIDLow();
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if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP && opcode == MSG_MOVE_JUMP)
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{
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BuildReport(player,JUMP_HACK_REPORT);
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sLog->outString( "AnticheatMgr:: Jump-Hack detected player GUID (low) %u",player->GetGUIDLow());
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}
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}
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void AnticheatMgr::WalkOnWaterHackDetection(Player* player, MovementInfo /* movementInfo */)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectWaterWalk", true))
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return;
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uint32 key = player->GetGUIDLow();
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if (!m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_WATERWALKING))
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return;
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// if we are a ghost we can walk on water
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if (!player->IsAlive())
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return;
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if (player->HasAuraType(SPELL_AURA_FEATHER_FALL) ||
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player->HasAuraType(SPELL_AURA_SAFE_FALL) ||
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player->HasAuraType(SPELL_AURA_WATER_WALK))
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return;
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sLog->outString( "AnticheatMgr:: Walk on Water - Hack detected player GUID (low) %u",player->GetGUIDLow());
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BuildReport(player,WALK_WATER_HACK_REPORT);
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}
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void AnticheatMgr::FlyHackDetection(Player* player, MovementInfo /* movementInfo */)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectFlyHack", true))
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return;
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uint32 key = player->GetGUIDLow();
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if (!m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_FLYING))
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return;
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if (player->HasAuraType(SPELL_AURA_FLY) ||
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player->HasAuraType(SPELL_AURA_MOD_INCREASE_MOUNTED_FLIGHT_SPEED) ||
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player->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED))
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return;
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sLog->outString( "AnticheatMgr:: Fly-Hack detected player GUID (low) %u",player->GetGUIDLow());
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BuildReport(player,FLY_HACK_REPORT);
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}
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void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectTelePlaneHack", true))
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return;
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uint32 key = player->GetGUIDLow();
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if (m_Players[key].GetLastMovementInfo().pos.GetPositionZ() != 0 ||
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movementInfo.pos.GetPositionZ() != 0)
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return;
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if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING))
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return;
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// DEAD_FALLING was deprecated
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//if (player->getDeathState() == DEAD_FALLING)
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// return;
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float x, y, z;
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player->GetPosition(x, y, z);
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float ground_Z = player->GetMap()->GetHeight(x, y, z);
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float z_diff = fabs(ground_Z - z);
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// we are not really walking there
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if (z_diff > 1.0f)
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{
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sLog->outString( "AnticheatMgr:: Teleport To Plane - Hack detected player GUID (low) %u",player->GetGUIDLow());
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BuildReport(player,TELEPORT_PLANE_HACK_REPORT);
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}
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}
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void AnticheatMgr::StartHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.Enabled", 0))
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return;
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if (player->IsGameMaster())
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return;
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uint32 key = player->GetGUIDLow();
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if (player->IsInFlight() || player->GetTransport() || player->GetVehicle())
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{
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m_Players[key].SetLastMovementInfo(movementInfo);
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m_Players[key].SetLastOpcode(opcode);
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return;
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}
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SpeedHackDetection(player,movementInfo);
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FlyHackDetection(player,movementInfo);
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WalkOnWaterHackDetection(player,movementInfo);
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JumpHackDetection(player,movementInfo,opcode);
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TeleportPlaneHackDetection(player, movementInfo);
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ClimbHackDetection(player,movementInfo,opcode);
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m_Players[key].SetLastMovementInfo(movementInfo);
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m_Players[key].SetLastOpcode(opcode);
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}
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// basic detection
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void AnticheatMgr::ClimbHackDetection(Player *player, MovementInfo movementInfo, uint32 opcode)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectClimbHack", false))
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return;
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uint32 key = player->GetGUIDLow();
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if (opcode != MSG_MOVE_HEARTBEAT ||
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m_Players[key].GetLastOpcode() != MSG_MOVE_HEARTBEAT)
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return;
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// in this case we don't care if they are "legal" flags, they are handled in another parts of the Anticheat Manager.
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if (player->IsInWater() ||
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player->IsFlying() ||
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player->IsFalling())
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return;
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Position playerPos;
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// Position pos = player->GetPosition();
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float deltaZ = fabs(playerPos.GetPositionZ() - movementInfo.pos.GetPositionZ());
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float deltaXY = movementInfo.pos.GetExactDist2d(&playerPos);
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float angle = Position::NormalizeOrientation(tan(deltaZ/deltaXY));
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if (angle > CLIMB_ANGLE)
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{
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sLog->outString( "AnticheatMgr:: Climb-Hack detected player GUID (low) %u", player->GetGUIDLow());
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BuildReport(player,CLIMB_HACK_REPORT);
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}
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}
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void AnticheatMgr::SpeedHackDetection(Player* player,MovementInfo movementInfo)
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{
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if (!sConfigMgr->GetBoolDefault("Anticheat.DetectSpeedHack", true))
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return;
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uint32 key = player->GetGUIDLow();
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// We also must check the map because the movementFlag can be modified by the client.
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// If we just check the flag, they could always add that flag and always skip the speed hacking detection.
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// 369 == DEEPRUN TRAM
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if (m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT) && player->GetMapId() == 369)
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return;
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uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos);
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uint8 moveType = 0;
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// we need to know HOW is the player moving
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// TO-DO: Should we check the incoming movement flags?
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if (player->HasUnitMovementFlag(MOVEMENTFLAG_SWIMMING))
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moveType = MOVE_SWIM;
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else if (player->IsFlying())
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moveType = MOVE_FLIGHT;
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else if (player->HasUnitMovementFlag(MOVEMENTFLAG_WALKING))
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moveType = MOVE_WALK;
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else
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moveType = MOVE_RUN;
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// how many yards the player can do in one sec.
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uint32 speedRate = (uint32)(player->GetSpeed(UnitMoveType(moveType)) + movementInfo.jump.xyspeed);
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// how long the player took to move to here.
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uint32 timeDiff = getMSTimeDiff(m_Players[key].GetLastMovementInfo().time,movementInfo.time);
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if (!timeDiff)
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timeDiff = 1;
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// this is the distance doable by the player in 1 sec, using the time done to move to this point.
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uint32 clientSpeedRate = distance2D * 1000 / timeDiff;
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// we did the (uint32) cast to accept a margin of tolerance
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if (clientSpeedRate > speedRate)
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{
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BuildReport(player,SPEED_HACK_REPORT);
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sLog->outString( "AnticheatMgr:: Speed-Hack detected player GUID (low) %u",player->GetGUIDLow());
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}
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}
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void AnticheatMgr::HandlePlayerLogin(Player* player)
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{
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// we must delete this to prevent errors in case of crash
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CharacterDatabase.PExecute("DELETE FROM players_reports_status WHERE guid=%u",player->GetGUIDLow());
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// we initialize the pos of lastMovementPosition var.
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m_Players[player->GetGUIDLow()].SetPosition(player->GetPositionX(),player->GetPositionY(),player->GetPositionZ(),player->GetOrientation());
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QueryResult resultDB = CharacterDatabase.PQuery("SELECT * FROM daily_players_reports WHERE guid=%u;",player->GetGUIDLow());
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if (resultDB)
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m_Players[player->GetGUIDLow()].SetDailyReportState(true);
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}
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void AnticheatMgr::HandlePlayerLogout(Player* player)
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{
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// TO-DO Make a table that stores the cheaters of the day, with more detailed information.
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// We must also delete it at logout to prevent have data of offline players in the db when we query the database (IE: The GM Command)
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CharacterDatabase.PExecute("DELETE FROM players_reports_status WHERE guid=%u",player->GetGUIDLow());
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// Delete not needed data from the memory.
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m_Players.erase(player->GetGUIDLow());
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}
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void AnticheatMgr::SavePlayerData(Player* player)
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{
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CharacterDatabase.PExecute("REPLACE INTO players_reports_status (guid,average,total_reports,speed_reports,fly_reports,jump_reports,waterwalk_reports,teleportplane_reports,climb_reports,creation_time) VALUES (%u,%f,%u,%u,%u,%u,%u,%u,%u,%u);",player->GetGUIDLow(),m_Players[player->GetGUIDLow()].GetAverage(),m_Players[player->GetGUIDLow()].GetTotalReports(), m_Players[player->GetGUIDLow()].GetTypeReports(SPEED_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(FLY_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(JUMP_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(WALK_WATER_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(TELEPORT_PLANE_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(CLIMB_HACK_REPORT),m_Players[player->GetGUIDLow()].GetCreationTime());
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}
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uint32 AnticheatMgr::GetTotalReports(uint32 lowGUID)
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{
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return m_Players[lowGUID].GetTotalReports();
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}
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float AnticheatMgr::GetAverage(uint32 lowGUID)
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{
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return m_Players[lowGUID].GetAverage();
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}
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uint32 AnticheatMgr::GetTypeReports(uint32 lowGUID, uint8 type)
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{
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return m_Players[lowGUID].GetTypeReports(type);
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}
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bool AnticheatMgr::MustCheckTempReports(uint8 type)
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{
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if (type == JUMP_HACK_REPORT)
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return false;
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return true;
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}
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void AnticheatMgr::BuildReport(Player* player,uint8 reportType)
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{
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uint32 key = player->GetGUIDLow();
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if (MustCheckTempReports(reportType))
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{
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uint32 actualTime = getMSTime();
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if (!m_Players[key].GetTempReportsTimer(reportType))
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m_Players[key].SetTempReportsTimer(actualTime,reportType);
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if (getMSTimeDiff(m_Players[key].GetTempReportsTimer(reportType),actualTime) < 3000)
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{
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m_Players[key].SetTempReports(m_Players[key].GetTempReports(reportType)+1,reportType);
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if (m_Players[key].GetTempReports(reportType) < 3)
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return;
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} else
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{
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m_Players[key].SetTempReportsTimer(actualTime,reportType);
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m_Players[key].SetTempReports(1,reportType);
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return;
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}
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}
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// generating creationTime for average calculation
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if (!m_Players[key].GetTotalReports())
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m_Players[key].SetCreationTime(getMSTime());
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// increasing total_reports
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m_Players[key].SetTotalReports(m_Players[key].GetTotalReports()+1);
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// increasing specific cheat report
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m_Players[key].SetTypeReports(reportType,m_Players[key].GetTypeReports(reportType)+1);
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// diff time for average calculation
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uint32 diffTime = getMSTimeDiff(m_Players[key].GetCreationTime(),getMSTime()) / IN_MILLISECONDS;
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if (diffTime > 0)
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{
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// Average == Reports per second
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float average = float(m_Players[key].GetTotalReports()) / float(diffTime);
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m_Players[key].SetAverage(average);
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}
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if ((uint32)sConfigMgr->GetIntDefault("Anticheat.MaxReportsForDailyReport", 70) < m_Players[key].GetTotalReports())
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{
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if (!m_Players[key].GetDailyReportState())
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{
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CharacterDatabase.PExecute("REPLACE INTO daily_players_reports (guid,average,total_reports,speed_reports,fly_reports,jump_reports,waterwalk_reports,teleportplane_reports,climb_reports,creation_time) VALUES (%u,%f,%u,%u,%u,%u,%u,%u,%u,%u);",player->GetGUIDLow(),m_Players[player->GetGUIDLow()].GetAverage(),m_Players[player->GetGUIDLow()].GetTotalReports(), m_Players[player->GetGUIDLow()].GetTypeReports(SPEED_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(FLY_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(JUMP_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(WALK_WATER_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(TELEPORT_PLANE_HACK_REPORT),m_Players[player->GetGUIDLow()].GetTypeReports(CLIMB_HACK_REPORT),m_Players[player->GetGUIDLow()].GetCreationTime());
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m_Players[key].SetDailyReportState(true);
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}
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}
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if (m_Players[key].GetTotalReports() > (uint32)sConfigMgr->GetIntDefault("Anticheat.ReportsForIngameWarnings", 70))
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{
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// display warning at the center of the screen, hacky way?
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std::string str = "";
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str = "|cFFFFFC00[AC]|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible cheater!";
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WorldPacket data(SMSG_NOTIFICATION, (str.size()+1));
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data << str;
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sWorld->SendGlobalGMMessage(&data);
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}
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}
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void AnticheatMgr::AnticheatGlobalCommand(ChatHandler* handler)
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{
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// MySQL will sort all for us, anyway this is not the best way we must only save the anticheat data not whole player's data!.
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ObjectAccessor::SaveAllPlayers();
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QueryResult resultDB = CharacterDatabase.Query("SELECT guid,average,total_reports FROM players_reports_status WHERE total_reports != 0 ORDER BY average ASC LIMIT 3;");
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if (!resultDB)
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{
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handler->PSendSysMessage("No players found.");
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||||
return;
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} else
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{
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||||
handler->SendSysMessage("=============================");
|
||||
handler->PSendSysMessage("Players with the lowest averages:");
|
||||
do
|
||||
{
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||||
Field *fieldsDB = resultDB->Fetch();
|
||||
|
||||
uint32 guid = fieldsDB[0].GetUInt32();
|
||||
float average = fieldsDB[1].GetFloat();
|
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uint32 total_reports = fieldsDB[2].GetUInt32();
|
||||
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if (Player* player = sObjectMgr->GetPlayerByLowGUID(guid))
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handler->PSendSysMessage("Player: %s Average: %f Total Reports: %u",player->GetName().c_str(),average,total_reports);
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||||
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} while (resultDB->NextRow());
|
||||
}
|
||||
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||||
resultDB = CharacterDatabase.Query("SELECT guid,average,total_reports FROM players_reports_status WHERE total_reports != 0 ORDER BY total_reports DESC LIMIT 3;");
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||||
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||||
// this should never happen
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if (!resultDB)
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{
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handler->PSendSysMessage("No players found.");
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return;
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} else
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{
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||||
handler->PSendSysMessage("=============================");
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handler->PSendSysMessage("Players with the more reports:");
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||||
do
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{
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Field *fieldsDB = resultDB->Fetch();
|
||||
|
||||
uint32 guid = fieldsDB[0].GetUInt32();
|
||||
float average = fieldsDB[1].GetFloat();
|
||||
uint32 total_reports = fieldsDB[2].GetUInt32();
|
||||
|
||||
if (Player* player = sObjectMgr->GetPlayerByLowGUID(guid))
|
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handler->PSendSysMessage("Player: %s Total Reports: %u Average: %f",player->GetName().c_str(),total_reports,average);
|
||||
|
||||
} while (resultDB->NextRow());
|
||||
}
|
||||
}
|
||||
|
||||
void AnticheatMgr::AnticheatDeleteCommand(uint32 guid)
|
||||
{
|
||||
if (!guid)
|
||||
{
|
||||
for (AnticheatPlayersDataMap::iterator it = m_Players.begin(); it != m_Players.end(); ++it)
|
||||
{
|
||||
(*it).second.SetTotalReports(0);
|
||||
(*it).second.SetAverage(0);
|
||||
(*it).second.SetCreationTime(0);
|
||||
for (uint8 i = 0; i < MAX_REPORT_TYPES; i++)
|
||||
{
|
||||
(*it).second.SetTempReports(0,i);
|
||||
(*it).second.SetTempReportsTimer(0,i);
|
||||
(*it).second.SetTypeReports(i,0);
|
||||
}
|
||||
}
|
||||
CharacterDatabase.PExecute("DELETE FROM players_reports_status;");
|
||||
}
|
||||
else
|
||||
{
|
||||
m_Players[guid].SetTotalReports(0);
|
||||
m_Players[guid].SetAverage(0);
|
||||
m_Players[guid].SetCreationTime(0);
|
||||
for (uint8 i = 0; i < MAX_REPORT_TYPES; i++)
|
||||
{
|
||||
m_Players[guid].SetTempReports(0,i);
|
||||
m_Players[guid].SetTempReportsTimer(0,i);
|
||||
m_Players[guid].SetTypeReports(i,0);
|
||||
}
|
||||
CharacterDatabase.PExecute("DELETE FROM players_reports_status WHERE guid=%u;",guid);
|
||||
}
|
||||
}
|
||||
|
||||
void AnticheatMgr::ResetDailyReportStates()
|
||||
{
|
||||
for (AnticheatPlayersDataMap::iterator it = m_Players.begin(); it != m_Players.end(); ++it)
|
||||
m_Players[(*it).first].SetDailyReportState(false);
|
||||
}
|
||||
Reference in New Issue
Block a user