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mod-anticheat/src/AnticheatMgr.cpp
MDIC 7786758280 Update: (license) Replace with MIT Headers
MIT license requires MIT headers.
2022-05-30 10:45:23 -04:00

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/*
*MIT License
*
*Copyright (c) 2022 Azerothcore
*
*Permission is hereby granted, free of charge, to any person obtaining a copy
*of this software and associated documentation files (the "Software"), to deal
*in the Software without restriction, including without limitation the rights
*to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
*copies of the Software, and to permit persons to whom the Software is
*furnished to do so, subject to the following conditions:
*
*The above copyright notice and this permission notice shall be included in all
*copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
*IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
*FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
*AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
*LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
*OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*SOFTWARE.
*/
#include "AnticheatMgr.h"
#include "Log.h"
#include "MapMgr.h"
#include "Player.h"
#include "Configuration/Config.h"
#include "SpellAuras.h"
constexpr auto LANG_ANTICHEAT_ALERT = 30087;
constexpr auto LANG_ANTICHEAT_TELEPORT = 30088;
constexpr auto LANG_ANTICHEAT_IGNORECONTROL = 30089;
constexpr auto LANG_ANTICHEAT_DUEL = 30090;
enum Spells
{
SHACKLES = 38505,
LFG_SPELL_DUNGEON_DESERTER = 71041,
BG_SPELL_DESERTER = 26013,
SILENCED = 23207,
RESURRECTION_SICKNESS = 15007
};
AnticheatMgr::AnticheatMgr()
{
}
AnticheatMgr::~AnticheatMgr()
{
m_Players.clear();
}
void AnticheatMgr::JumpHackDetection(Player* player, MovementInfo /* movementInfo */, uint32 opcode)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectJumpHack", true))
return;
ObjectGuid key = player->GetGUID();
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP && opcode == MSG_MOVE_JUMP)
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
BuildReport(player, JUMP_HACK_REPORT);
LOG_INFO("anticheat.module", "AnticheatMgr:: Jump-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
}
void AnticheatMgr::WalkOnWaterHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectWaterWalkHack", true))
return;
ObjectGuid key = player->GetGUID();
uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos);
// We don't need to check for a water walking hack if the player hasn't moved
// This is necessary since MovementHandler fires if you rotate the camera in place
if (!distance2D)
return;
if (player->GetLiquidData().Status == LIQUID_MAP_WATER_WALK && !player->IsFlying())
{
if (!m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_WATERWALKING) && !movementInfo.HasMovementFlag(MOVEMENTFLAG_WATERWALKING))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Walk on Water - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, WALK_WATER_HACK_REPORT);
}
}
// ghost can water walk
if (player->HasAuraType(SPELL_AURA_GHOST))
return;
// Prevents the False Positive for water walking when you ressurrect.
if (m_Players[key].GetLastOpcode() == MSG_DELAY_GHOST_TELEPORT)
return;
if (m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_WATERWALKING) && movementInfo.HasMovementFlag(MOVEMENTFLAG_WATERWALKING))
{
if (player->HasAuraType(SPELL_AURA_WATER_WALK) || player->HasAuraType(SPELL_AURA_FEATHER_FALL) ||
player->HasAuraType(SPELL_AURA_SAFE_FALL))
{
return;
}
}
else if (!m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_WATERWALKING) && !movementInfo.HasMovementFlag(MOVEMENTFLAG_WATERWALKING))
{
return;
}
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Walk on Water - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, WALK_WATER_HACK_REPORT);
}
void AnticheatMgr::FlyHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectFlyHack", true))
{
return;
}
if (player->HasAuraType(SPELL_AURA_FLY) || player->HasAuraType(SPELL_AURA_MOD_INCREASE_MOUNTED_FLIGHT_SPEED) || player->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED))//overkill but wth
{
return;
}
/*Thanks to @LilleCarl for info to check extra flag*/
bool stricterChecks = true;
if (sConfigMgr->GetOption<bool>("Anticheat.StricterFlyHackCheck", false))
{
stricterChecks = !(movementInfo.HasMovementFlag(MOVEMENTFLAG_ASCENDING | MOVEMENTFLAG_DESCENDING) && !player->IsInWater());
}
if (!movementInfo.HasMovementFlag(MOVEMENTFLAG_CAN_FLY) && !movementInfo.HasMovementFlag(MOVEMENTFLAG_FLYING) && stricterChecks)
{
return;
}
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Fly-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, FLY_HACK_REPORT);
}
void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectTelePlaneHack", true))
return;
ObjectGuid key = player->GetGUID();
uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos);
// We don't need to check for a water walking hack if the player hasn't moved
// This is necessary since MovementHandler fires if you rotate the camera in place
if (!distance2D)
return;
//Celestial Planetarium Observer Battle has a narrow path that false flags
if (player && GetWMOAreaTableEntryByTripple(5202, 0, 24083))
return;
if (player->HasAuraType(SPELL_AURA_WATER_WALK) || player->HasAuraType(SPELL_AURA_WATER_BREATHING) || player->HasAuraType(SPELL_AURA_GHOST))
return;
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP)
return;
if (opcode == (MSG_MOVE_FALL_LAND))
return;
if (player->GetLiquidData().Status == LIQUID_MAP_ABOVE_WATER)
return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_SWIMMING))
return;
// If he is flying we dont need to check
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING))
return;
float pos_z = player->GetPositionZ();
float ground_Z = player->GetFloorZ();
float groundZ = player->GetMapHeight(player->GetPositionX(), player->GetPositionY(), MAX_HEIGHT);
float floorZ = player->GetMapHeight(player->GetPositionX(), player->GetPositionY(), player->GetPositionZ());
// we are not really walking there
if (groundZ == floorZ && (fabs(ground_Z - pos_z) > 2.0f || fabs(ground_Z - pos_z) < -1.0f))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Teleport To Plane - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, TELEPORT_PLANE_HACK_REPORT);
}
}
void AnticheatMgr::IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{
float x, y;
player->GetPosition(x, y);
ObjectGuid key = player->GetGUID();
if (!sConfigMgr->GetOption<bool>("Anticheat.IgnoreControlHack", true))
return;
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP)
return;
if (opcode == (MSG_MOVE_FALL_LAND))
return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_SWIMMING))
return;
uint32 latency = 0;
latency = player->GetSession()->GetLatency() >= 400;
if (player->HasUnitState(UNIT_STATE_ROOT) && !player->GetVehicle() && !latency)
{
bool unrestricted = movementInfo.pos.GetPositionX() != x || movementInfo.pos.GetPositionY() != y;
if (unrestricted)
{
if (m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForIngameWarnings", 70))
{
_alertFrequency = sConfigMgr->GetOption<uint32>("Anticheat.AlertFrequency", 5);
// So we dont divide by 0 by accident
if (_alertFrequency < 1)
_alertFrequency = 1;
if (++_counter % _alertFrequency == 0)
{
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible Ignore Control Hack Detected!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
// need better way to limit chat spam
if (m_Players[key].GetTotalReports() >= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Min", 70) && m_Players[key].GetTotalReports() <= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Max", 80))
{
sWorld->SendGMText(LANG_ANTICHEAT_IGNORECONTROL, player->GetName().c_str(), latency);
}
_counter = 0;
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Ignore Control - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, IGNORE_CONTROL_REPORT);
}
}
}
void AnticheatMgr::ZAxisHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectZaxisHack", true))
return;
ObjectGuid key = player->GetGUID();
// If he is flying we dont need to check
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING))
return;
// If the player is allowed to waterwalk (or he is dead because he automatically waterwalks then) we dont need to check any further
// We also stop if the player is in water, because otherwise you get a false positive for swimming
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_WATERWALKING) || player->IsInWater() || !player->IsAlive())
return;
//Celestial Planetarium Observer Battle has a narrow path that false flags
if (player && GetWMOAreaTableEntryByTripple(5202, 0, 24083))
return;
// We want to exclude this LiquidStatus from detection because it leads to false positives on boats, docks etc.
// Basically everytime you stand on a game object in water
if (player->GetLiquidData().Status == LIQUID_MAP_ABOVE_WATER)
return;
uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos);
// We don't need to check for a ignore z if the player hasn't moved
// This is necessary since MovementHandler fires if you rotate the camera in place
if (!distance2D)
return;
// This is Black Magic. Check only for x and y difference but no z difference that is greater then or equal to z +2.5 of the ground
if (m_Players[key].GetLastMovementInfo().pos.GetPositionZ() == movementInfo.pos.GetPositionZ()
&& player->GetPositionZ() >= player->GetFloorZ() + 2.5f)
{
if (m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForIngameWarnings", 70))
{
_alertFrequency = sConfigMgr->GetOption<uint32>("Anticheat.AlertFrequency", 5);
// So we dont divide by 0 by accident
if (_alertFrequency < 1)
_alertFrequency = 1;
if (++_counter % _alertFrequency == 0)
{
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible Ignore Zaxis Hack Detected!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
// need better way to limit chat spam
if (m_Players[key].GetTotalReports() >= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Min", 70) && m_Players[key].GetTotalReports() <= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Max", 80))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
sWorld->SendGMText(LANG_ANTICHEAT_ALERT, player->GetName().c_str(), player->GetName().c_str(), latency);
}
_counter = 0;
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Ignore Zaxis Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, ZAXIS_HACK_REPORT);
}
}
void AnticheatMgr::TeleportHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectTelePortHack", true))
return;
ObjectGuid key = player->GetGUID();
if (m_Players[key].GetLastMovementInfo().pos.GetPositionX() == movementInfo.pos.GetPositionX())
return;
float lastX = m_Players[key].GetLastMovementInfo().pos.GetPositionX();
float newX = movementInfo.pos.GetPositionX();
float lastY = m_Players[key].GetLastMovementInfo().pos.GetPositionY();
float newY = movementInfo.pos.GetPositionY();
float xDiff = fabs(lastX - newX);
float yDiff = fabs(lastY - newY);
if (player->duel)
{
if ((xDiff >= 50.0f || yDiff >= 50.0f) && !player->CanTeleport())
{
Player* opponent = player->duel->Opponent;
std::string str = "|cFFFFFC00[DUEL ALERT Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible Teleport Hack Detected! While Dueling [|cFF60FF00" + std::string(opponent->GetName().c_str()) + "|cFF00FFFF]";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
uint32 latency2 = 0;
latency2 = opponent->GetSession()->GetLatency();
sWorld->SendGMText(LANG_ANTICHEAT_DUEL, player->GetName().c_str(), latency, opponent->GetName().c_str(), latency2);
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
LOG_INFO("anticheat.module", "AnticheatMgr:: DUEL ALERT Teleport-Hack detected player {} ({}) while dueling {} - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), opponent->GetName(), latency);
LOG_INFO("anticheat.module", "AnticheatMgr:: DUEL ALERT Teleport-Hack detected player {} ({}) while dueling {} - Latency: {} ms", opponent->GetName(), opponent->GetGUID().ToString(), player->GetName(), latency2);
}
BuildReport(player, TELEPORT_HACK_REPORT);
BuildReport(opponent, TELEPORT_HACK_REPORT);
}
else if (player->CanTeleport())
player->SetCanTeleport(false);
}
if ((xDiff >= 50.0f || yDiff >= 50.0f) && !player->CanTeleport())
{
if (m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForIngameWarnings", 70))
{
_alertFrequency = sConfigMgr->GetOption<uint32>("Anticheat.AlertFrequency", 5);
// So we dont divide by 0 by accident
if (_alertFrequency < 1)
_alertFrequency = 1;
if (++_counter % _alertFrequency == 0)
{
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible Teleport Hack Detected!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
// need better way to limit chat spam
if (m_Players[key].GetTotalReports() >= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Min", 70) && m_Players[key].GetTotalReports() <= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Max", 80))
{
sWorld->SendGMText(LANG_ANTICHEAT_TELEPORT, player->GetName().c_str(), latency);
}
_counter = 0;
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Teleport-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, TELEPORT_HACK_REPORT);
}
else if (player->CanTeleport())
player->SetCanTeleport(false);
}
void AnticheatMgr::StartHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.Enabled", 0))
return;
if (player->IsGameMaster())
return;
ObjectGuid key = player->GetGUID();
if (player->IsInFlight() || player->GetTransport() || player->GetVehicle())
{
m_Players[key].SetLastMovementInfo(movementInfo);
m_Players[key].SetLastOpcode(opcode);
return;
}
SpeedHackDetection(player, movementInfo);
FlyHackDetection(player, movementInfo);
JumpHackDetection(player, movementInfo, opcode);
TeleportPlaneHackDetection(player, movementInfo, opcode);
ClimbHackDetection(player, movementInfo, opcode);
TeleportHackDetection(player, movementInfo);
IgnoreControlHackDetection(player, movementInfo, opcode);
GravityHackDetection(player, movementInfo);
if (player->GetLiquidData().Status == LIQUID_MAP_WATER_WALK)
{
WalkOnWaterHackDetection(player, movementInfo);
}
else
{
ZAxisHackDetection(player, movementInfo);
}
if (player->GetLiquidData().Status == LIQUID_MAP_UNDER_WATER)
{
AntiSwimHackDetection(player, movementInfo, opcode);
}
m_Players[key].SetLastMovementInfo(movementInfo);
m_Players[key].SetLastOpcode(opcode);
}
// basic detection
void AnticheatMgr::ClimbHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectClimbHack", true))
return;
// in this case we don't care if they are "legal" flags, they are handled in another parts of the Anticheat Manager.
if (player->IsInWater() ||
player->IsFlying() ||
player->IsFalling())
return;
// If the player jumped, we dont want to check for climb hack
// This can lead to false positives for climbing game objects legit
if (opcode == MSG_MOVE_JUMP)
return;
if (player->HasUnitMovementFlag(MOVEMENTFLAG_FALLING))
return;
Position playerPos = player->GetPosition();
float diffz = fabs(movementInfo.pos.GetPositionZ() - playerPos.GetPositionZ());
float tanangle = movementInfo.pos.GetExactDist2d(&playerPos) / diffz;
if (!player->HasUnitMovementFlag(MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING | MOVEMENTFLAG_SWIMMING))
{
if (movementInfo.pos.GetPositionZ() > playerPos.GetPositionZ() &&
diffz > 1.87f && tanangle < 0.57735026919f) // 30 degrees
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Climb-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, CLIMB_HACK_REPORT);
}
}
}
// basic detection
void AnticheatMgr::AntiSwimHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.AntiSwimHack", true))
return;
if (player->GetAreaId())
{
switch (player->GetAreaId())
{
case 2100: //Maraudon https://github.com/azerothcore/azerothcore-wotlk/issues/2437
return;
}
}
if (player->GetLiquidData().Status == (LIQUID_MAP_ABOVE_WATER | LIQUID_MAP_WATER_WALK | LIQUID_MAP_IN_WATER))
{
return;
}
if (opcode == MSG_MOVE_JUMP)
return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_SWIMMING))
return;
if (player->GetLiquidData().Status == LIQUID_MAP_UNDER_WATER && !movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Anti-Swim-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, ANTISWIM_HACK_REPORT);
}
}
void AnticheatMgr::GravityHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectGravityHack", true))
return;
if (player->HasAuraType(SPELL_AURA_FEATHER_FALL))
return;
ObjectGuid key = player->GetGUID();
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP)
{
if (!player->HasUnitMovementFlag(MOVEMENTFLAG_DISABLE_GRAVITY) && movementInfo.jump.zspeed < -10.0f)
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Gravity-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, GRAVITY_HACK_REPORT);
}
}
}
void AnticheatMgr::SpeedHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectSpeedHack", true))
return;
ObjectGuid key = player->GetGUID();
// We also must check the map because the movementFlag can be modified by the client.
// If we just check the flag, they could always add that flag and always skip the speed hacking detection.
if (m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT) && player->GetMapId())
{
switch (player->GetMapId())
{
case 369: //Transport: DEEPRUN TRAM
case 607: //Transport: Strands of the Ancients
case 582: //Transport: Rut'theran to Auberdine
case 584: //Transport: Menethil to Theramore
case 586: //Transport: Exodar to Auberdine
case 587: //Transport: Feathermoon Ferry
case 588: //Transport: Menethil to Auberdine
case 589: //Transport: Orgrimmar to Grom'Gol
case 590: //Transport: Grom'Gol to Undercity
case 591: //Transport: Undercity to Orgrimmar
case 592: //Transport: Borean Tundra Test
case 593: //Transport: Booty Bay to Ratchet
case 594: //Transport: Howling Fjord Sister Mercy (Quest)
case 596: //Transport: Naglfar
case 610: //Transport: Tirisfal to Vengeance Landing
case 612: //Transport: Menethil to Valgarde
case 613: //Transport: Orgrimmar to Warsong Hold
case 614: //Transport: Stormwind to Valiance Keep
case 620: //Transport: Moa'ki to Unu'pe
case 621: //Transport: Moa'ki to Kamagua
case 622: //Transport: Orgrim's Hammer
case 623: //Transport: The Skybreaker
case 641: //Transport: Alliance Airship BG
case 642: //Transport: Horde Airship BG
case 647: //Transport: Orgrimmar to Thunder Bluff
case 672: //Transport: The Skybreaker (Icecrown Citadel Raid)
case 673: //Transport: Orgrim's Hammer (Icecrown Citadel Raid)
case 712: //Transport: The Skybreaker (IC Dungeon)
case 713: //Transport: Orgrim's Hammer (IC Dungeon)
case 718: //Transport: The Mighty Wind (Icecrown Citadel Raid)
return;
}
}
uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos);
uint8 moveType = 0;
// We don't need to check for a speedhack if the player hasn't moved
// This is necessary since MovementHandler fires if you rotate the camera in place
if (!distance2D)
return;
// we need to know HOW is the player moving
// TO-DO: Should we check the incoming movement flags?
if (player->HasUnitMovementFlag(MOVEMENTFLAG_SWIMMING))
moveType = MOVE_SWIM;
else if (player->IsFlying())
moveType = MOVE_FLIGHT;
else if (player->HasUnitMovementFlag(MOVEMENTFLAG_WALKING))
moveType = MOVE_WALK;
else
moveType = MOVE_RUN;
// how many yards the player can do in one sec.
// We remove the added speed for jumping because otherwise permanently jumping doubles your allowed speed
uint32 speedRate = (uint32)(player->GetSpeed(UnitMoveType(moveType)));
// how long the player took to move to here.
uint32 timeDiff = getMSTimeDiff(m_Players[key].GetLastMovementInfo().time, movementInfo.time);
if (int32(timeDiff) < 0)
{
BuildReport(player, SPEED_HACK_REPORT);
timeDiff = 1;
}
if (!timeDiff)
timeDiff = 1;
// this is the distance doable by the player in 1 sec, using the time done to move to this point.
uint32 clientSpeedRate = distance2D * 1000 / timeDiff;
// We did the (uint32) cast to accept a margin of tolerance
// We check the last MovementInfo for the falling flag since falling down a hill and sliding a bit triggered a false positive
if ((clientSpeedRate > speedRate) && !m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_FALLING))
{
if (!player->CanTeleport())
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Speed-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, SPEED_HACK_REPORT);
}
return;
}
}
void AnticheatMgr::HandlePlayerLogin(Player* player)
{
// we must delete this to prevent errors in case of crash
CharacterDatabase.Execute("DELETE FROM players_reports_status WHERE guid={}", player->GetGUID().GetCounter());
// we initialize the pos of lastMovementPosition var.
m_Players[player->GetGUID()].SetPosition(player->GetPositionX(), player->GetPositionY(), player->GetPositionZ(), player->GetOrientation());
QueryResult resultDB = CharacterDatabase.Query("SELECT * FROM daily_players_reports WHERE guid={};", player->GetGUID().GetCounter());
if (resultDB)
m_Players[player->GetGUID()].SetDailyReportState(true);
}
void AnticheatMgr::HandlePlayerLogout(Player* player)
{
// TO-DO Make a table that stores the cheaters of the day, with more detailed information.
// 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)
CharacterDatabase.Execute("DELETE FROM players_reports_status WHERE guid={}", player->GetGUID().GetCounter());
// Delete not needed data from the memory.
m_Players.erase(player->GetGUID());
}
void AnticheatMgr::SavePlayerData(Player* player)
{// 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CharacterDatabase.Execute("REPLACE INTO players_reports_status (guid,average,total_reports,speed_reports,fly_reports,jump_reports,waterwalk_reports,teleportplane_reports,climb_reports,teleport_reports,ignorecontrol_reports,zaxis_reports,antiswim_reports,gravity_reports,creation_time) VALUES ({},{},{},{},{},{},{},{},{},{},{},{},{},{},{});", player->GetGUID().GetCounter(), m_Players[player->GetGUID()].GetAverage(), m_Players[player->GetGUID()].GetTotalReports(), m_Players[player->GetGUID()].GetTypeReports(SPEED_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(FLY_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(JUMP_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(WALK_WATER_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(TELEPORT_PLANE_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(CLIMB_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(TELEPORT_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(IGNORE_CONTROL_REPORT), m_Players[player->GetGUID()].GetTypeReports(ZAXIS_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(ANTISWIM_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(GRAVITY_HACK_REPORT), m_Players[player->GetGUID()].GetCreationTime());
}
uint32 AnticheatMgr::GetTotalReports(ObjectGuid guid)
{
return m_Players[guid].GetTotalReports();
}
float AnticheatMgr::GetAverage(ObjectGuid guid)
{
return m_Players[guid].GetAverage();
}
uint32 AnticheatMgr::GetTypeReports(ObjectGuid guid, uint8 type)
{
return m_Players[guid].GetTypeReports(type);
}
bool AnticheatMgr::MustCheckTempReports(uint8 type)
{
if (type == JUMP_HACK_REPORT)
return false;
if (type == TELEPORT_HACK_REPORT)
return false;
if (type == IGNORE_CONTROL_REPORT)
return false;
if (type == GRAVITY_HACK_REPORT)
return false;
return true;
}
//
// Dear maintainer:
//
// Once you are done trying to 'optimize' this script,
// and have identify potentionally if there was a terrible
// mistake that was here or not, please increment the
// following counter as a warning to the next guy:
//
// total_hours_wasted_here = 42
//
void AnticheatMgr::BuildReport(Player* player, uint16 reportType)
{
ObjectGuid key = player->GetGUID();
if (MustCheckTempReports(reportType))
{
uint32 actualTime = getMSTime();
if (!m_Players[key].GetTempReportsTimer(reportType))
m_Players[key].SetTempReportsTimer(actualTime, reportType);
if (getMSTimeDiff(m_Players[key].GetTempReportsTimer(reportType), actualTime) < 3000)
{
m_Players[key].SetTempReports(m_Players[key].GetTempReports(reportType) + 1, reportType);
if (m_Players[key].GetTempReports(reportType) < 3)
return;
}
else
{
m_Players[key].SetTempReportsTimer(actualTime, reportType);
m_Players[key].SetTempReports(1, reportType);
return;
}
}
// generating creationTime for average calculation
if (!m_Players[key].GetTotalReports())
m_Players[key].SetCreationTime(getMSTime());
// increasing total_reports
m_Players[key].SetTotalReports(m_Players[key].GetTotalReports() + 1);
// increasing specific cheat report
m_Players[key].SetTypeReports(reportType, m_Players[key].GetTypeReports(reportType) + 1);
// diff time for average calculation
uint32 diffTime = getMSTimeDiff(m_Players[key].GetCreationTime(), getMSTime()) / IN_MILLISECONDS;
if (diffTime > 0)
{
// Average == Reports per second
float average = float(m_Players[key].GetTotalReports()) / float(diffTime);
m_Players[key].SetAverage(average);
}
if (sConfigMgr->GetOption<uint32>("Anticheat.MaxReportsForDailyReport", 70) < m_Players[key].GetTotalReports())
{
if (!m_Players[key].GetDailyReportState())
{// 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CharacterDatabase.Execute("REPLACE INTO daily_players_reports (guid,average,total_reports,speed_reports,fly_reports,jump_reports,waterwalk_reports,teleportplane_reports,climb_reports,teleport_reports,ignorecontrol_reports,zaxis_reports,antiswim_reports,gravity_reports,creation_time) VALUES ({},{},{},{},{},{},{},{},{},{},{},{},{},{},{});", player->GetGUID().GetCounter(), m_Players[player->GetGUID()].GetAverage(), m_Players[player->GetGUID()].GetTotalReports(), m_Players[player->GetGUID()].GetTypeReports(SPEED_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(FLY_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(JUMP_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(WALK_WATER_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(TELEPORT_PLANE_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(CLIMB_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(TELEPORT_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(IGNORE_CONTROL_REPORT), m_Players[player->GetGUID()].GetTypeReports(ZAXIS_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(ANTISWIM_HACK_REPORT), m_Players[player->GetGUID()].GetTypeReports(GRAVITY_HACK_REPORT), m_Players[player->GetGUID()].GetCreationTime());
m_Players[key].SetDailyReportState(true);
}
}
if (m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForIngameWarnings", 70))
{
_alertFrequency = sConfigMgr->GetOption<uint32>("Anticheat.AlertFrequency", 5);
// So we dont divide by 0 by accident
if (_alertFrequency < 1)
_alertFrequency = 1;
if (++_counter % _alertFrequency == 0)
{
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Possible cheater!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
// need better way to limit chat spam
if (m_Players[key].GetTotalReports() >= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Min", 70) && m_Players[key].GetTotalReports() <= sConfigMgr->GetOption<uint32>("Anticheat.ReportinChat.Max", 80))
{
sWorld->SendGMText(LANG_ANTICHEAT_ALERT, player->GetName().c_str(), player->GetName().c_str(), latency);
}
_counter = 0;
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.KickPlayer", true) && m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForKick", 70))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
LOG_INFO("anticheat.module", "AnticheatMgr:: Reports reached assigned threshhold and counteracted by kicking player {} ({})", player->GetName(), player->GetGUID().ToString());
}
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Auto Kicked for Reaching Cheat Threshhold!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
player->GetSession()->KickPlayer(true);
if (sConfigMgr->GetOption<bool>("Anticheat.AnnounceKick", true))
{
std::string plr = player->GetName();
std::string tag_colour = "7bbef7";
std::string plr_colour = "ff0000";
std::ostringstream stream;
stream << "|CFF" << plr_colour << "[AntiCheat]|r|CFF" << tag_colour <<
" Player |r|cff" << plr_colour << plr << "|r|cff" << tag_colour <<
" has been kicked by the Anticheat Module.|r";
sWorld->SendServerMessage(SERVER_MSG_STRING, stream.str().c_str());
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.BanPlayer", true) && m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForBan", 70))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
LOG_INFO("anticheat.module", "AnticheatMgr:: Reports reached assigned threshhold and counteracted by banning player {} ({})", player->GetName(), player->GetGUID().ToString());
}
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Auto Banned Account for Reaching Cheat Threshhold!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
std::string accountName;
AccountMgr::GetName(player->GetSession()->GetAccountId(), accountName);
sBan->BanAccount(accountName, "0s", "Anticheat module Auto Banned Account for Reach Cheat Threshhold", "Server");
if (sConfigMgr->GetOption<bool>("Anticheat.AnnounceBan", true))
{
std::string plr = player->GetName();
std::string tag_colour = "7bbef7";
std::string plr_colour = "ff0000";
std::ostringstream stream;
stream << "|CFF" << plr_colour << "[AntiCheat]|r|CFF" << tag_colour <<
" Player |r|cff" << plr_colour << plr << "|r|cff" << tag_colour <<
" has been Banned by the Anticheat Module.|r";
sWorld->SendServerMessage(SERVER_MSG_STRING, stream.str().c_str());
}
}
if (sConfigMgr->GetOption<bool>("Anticheat.JailPlayer", true) && m_Players[key].GetTotalReports() > sConfigMgr->GetOption<uint32>("Anticheat.ReportsForJail", 70))
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
LOG_INFO("anticheat.module", "AnticheatMgr:: Reports reached assigned threshhold and counteracted by jailing player {} ({})", player->GetName(), player->GetGUID().ToString());
}
// display warning at the center of the screen, hacky way?
std::string str = "|cFFFFFC00[Playername:|cFF00FFFF[|cFF60FF00" + std::string(player->GetName().c_str()) + "|cFF00FFFF] Auto Jailed Account for Reaching Cheat Threshhold!";
WorldPacket data(SMSG_NOTIFICATION, (str.size() + 1));
data << str;
sWorld->SendGlobalGMMessage(&data);
WorldLocation loc = WorldLocation(1, 16226.5f, 16403.6f, -64.5f, 3.2f); // GM Jail Location
player->TeleportTo(loc);
player->SetHomebind(loc, 876); // GM Jail Homebind location
player->CastSpell(player, SHACKLES); // Shackle him in place to ensure no exploit happens for jail break attempt
if (Aura* dungdesert = player->AddAura(LFG_SPELL_DUNGEON_DESERTER, player))// LFG_SPELL_DUNGEON_DESERTER
{
dungdesert->SetDuration(-1);
}
if (Aura* bgdesert = player->AddAura(BG_SPELL_DESERTER, player))// BG_SPELL_DESERTER
{
bgdesert->SetDuration(-1);
}
if (Aura* silent = player->AddAura(SILENCED, player))// SILENCED
{
silent->SetDuration(-1);
}
if (sConfigMgr->GetOption<bool>("Anticheat.AnnounceJail", true))
{
std::string plr = player->GetName();
std::string tag_colour = "7bbef7";
std::string plr_colour = "ff0000";
std::ostringstream stream;
stream << "|CFF" << plr_colour << "[AntiCheat]|r|CFF" << tag_colour <<
" Player |r|cff" << plr_colour << plr << "|r|cff" << tag_colour <<
" has been Jailed by the Anticheat Module.|r";
sWorld->SendServerMessage(SERVER_MSG_STRING, stream.str().c_str());
}
}
}
void AnticheatMgr::AnticheatGlobalCommand(ChatHandler* handler)
{
// 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!.
ObjectAccessor::SaveAllPlayers();
QueryResult resultDB = CharacterDatabase.Query("SELECT guid,average,total_reports FROM players_reports_status WHERE total_reports != 0 ORDER BY average ASC LIMIT 3;");
if (!resultDB)
{
handler->PSendSysMessage("No players found.");
return;
}
else
{
handler->SendSysMessage("=============================");
handler->PSendSysMessage("Players with the lowest averages:");
do
{
Field* fieldsDB = resultDB->Fetch();
ObjectGuid guid = ObjectGuid::Create<HighGuid::Player>(fieldsDB[0].Get<uint32>());
float average = fieldsDB[1].Get<float>();
uint32 total_reports = fieldsDB[2].Get<uint32>();
if (Player* player = ObjectAccessor::FindConnectedPlayer(guid))
handler->PSendSysMessage("Player: %s Average: %f Total Reports: %u", player->GetName().c_str(), average, total_reports);
} while (resultDB->NextRow());
}
resultDB = CharacterDatabase.Query("SELECT guid,average,total_reports FROM players_reports_status WHERE total_reports != 0 ORDER BY total_reports DESC LIMIT 3;");
// this should never happen
if (!resultDB)
{
handler->PSendSysMessage("No players found.");
return;
}
else
{
handler->PSendSysMessage("=============================");
handler->PSendSysMessage("Players with the more reports:");
do
{
Field* fieldsDB = resultDB->Fetch();
ObjectGuid guid = ObjectGuid::Create<HighGuid::Player>(fieldsDB[0].Get<uint32>());
float average = fieldsDB[1].Get<float>();
uint32 total_reports = fieldsDB[2].Get<uint32>();
if (Player* player = ObjectAccessor::FindConnectedPlayer(guid))
handler->PSendSysMessage("Player: %s Total Reports: %u Average: %f", player->GetName().c_str(), total_reports, average);
} while (resultDB->NextRow());
}
}
void AnticheatMgr::AnticheatDeleteCommand(ObjectGuid 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.Execute("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.Execute("DELETE FROM players_reports_status WHERE guid={};", guid.GetCounter());
}
}
void AnticheatMgr::AnticheatPurgeCommand(ChatHandler* /*handler*/)
{
CharacterDatabase.Execute("TRUNCATE TABLE daily_players_reports;");
}
void AnticheatMgr::ResetDailyReportStates()
{
for (AnticheatPlayersDataMap::iterator it = m_Players.begin(); it != m_Players.end(); ++it)
m_Players[(*it).first].SetDailyReportState(false);
}