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update (module): Clean up and preparation

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Clean up and preparation for new detections in future updates.
This is just a clean up and organization only.
This commit is contained in:
MDIC
2022-07-28 15:31:48 -04:00
parent 675132035e
commit 8ff637a3a4
2 changed files with 359 additions and 359 deletions
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704
src/AnticheatMgr.cpp
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@@ -52,82 +52,149 @@ AnticheatMgr::~AnticheatMgr()
m_Players.clear(); m_Players.clear();
} }
void AnticheatMgr::JumpHackDetection(Player* player, MovementInfo /* movementInfo */, uint32 opcode) void AnticheatMgr::StartHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{ {
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectJumpHack", true)) if (!sConfigMgr->GetOption<bool>("Anticheat.Enabled", 0))
return;
if (player->IsGameMaster())
return; return;
ObjectGuid key = player->GetGUID(); ObjectGuid key = player->GetGUID();
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP && opcode == MSG_MOVE_JUMP) if (player->IsInFlight() || player->GetTransport() || player->GetVehicle())
{ {
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true)) m_Players[key].SetLastMovementInfo(movementInfo);
{ m_Players[key].SetLastOpcode(opcode);
uint32 latency = 0; return;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Jump-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, JUMP_HACK_REPORT);
} }
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);
} }
void AnticheatMgr::WalkOnWaterHackDetection(Player* player, MovementInfo movementInfo) void AnticheatMgr::SpeedHackDetection(Player* player, MovementInfo movementInfo)
{ {
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectWaterWalkHack", true)) if (!sConfigMgr->GetOption<bool>("Anticheat.DetectSpeedHack", true))
return; return;
ObjectGuid key = player->GetGUID(); ObjectGuid key = player->GetGUID();
uint32 distance2D = (uint32)movementInfo.pos.GetExactDist2d(&m_Players[key].GetLastMovementInfo().pos); // 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.
// We don't need to check for a water walking hack if the player hasn't moved 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 // This is necessary since MovementHandler fires if you rotate the camera in place
if (!distance2D) if (!distance2D)
return; return;
if (player->GetLiquidData().Status == LIQUID_MAP_WATER_WALK && !player->IsFlying()) // 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)
{ {
if (!m_Players[key].GetLastMovementInfo().HasMovementFlag(MOVEMENTFLAG_WATERWALKING) && !movementInfo.HasMovementFlag(MOVEMENTFLAG_WATERWALKING)) 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)) if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{ {
uint32 latency = 0; uint32 latency = 0;
latency = player->GetSession()->GetLatency(); latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Walk on Water - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency); LOG_INFO("anticheat.module", "AnticheatMgr:: Speed-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
} }
BuildReport(player, WALK_WATER_HACK_REPORT); BuildReport(player, SPEED_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; 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) void AnticheatMgr::FlyHackDetection(Player* player, MovementInfo movementInfo)
@@ -164,6 +231,26 @@ void AnticheatMgr::FlyHackDetection(Player* player, MovementInfo movementInfo)
BuildReport(player, FLY_HACK_REPORT); BuildReport(player, FLY_HACK_REPORT);
} }
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)
{
if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{
uint32 latency = 0;
latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Jump-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
}
BuildReport(player, JUMP_HACK_REPORT);
}
}
void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode) void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{ {
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectTelePlaneHack", true)) if (!sConfigMgr->GetOption<bool>("Anticheat.DetectTelePlaneHack", true))
@@ -221,136 +308,45 @@ void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movem
} }
void AnticheatMgr::IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode) void AnticheatMgr::ClimbHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{ {
float x, y; if (!sConfigMgr->GetOption<bool>("Anticheat.DetectClimbHack", true))
player->GetPosition(x, y);
ObjectGuid key = player->GetGUID();
if (!sConfigMgr->GetOption<bool>("Anticheat.IgnoreControlHack", true))
return; return;
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP) // 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; return;
if (opcode == (MSG_MOVE_FALL_LAND)) // 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; return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_SWIMMING)) if (player->HasUnitMovementFlag(MOVEMENTFLAG_FALLING))
return; return;
uint32 latency = 0; Position playerPos = player->GetPosition();
latency = player->GetSession()->GetLatency() >= 400;
if (player->HasUnitState(UNIT_STATE_ROOT) && !player->GetVehicle() && !latency) 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))
{ {
bool unrestricted = movementInfo.pos.GetPositionX() != x || movementInfo.pos.GetPositionY() != y; if (movementInfo.pos.GetPositionZ() > playerPos.GetPositionZ() &&
if (unrestricted) diffz > 1.87f && tanangle < 0.57735026919f) // 30 degrees
{ {
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)) if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{ {
uint32 latency = 0; uint32 latency = 0;
latency = player->GetSession()->GetLatency(); latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Ignore Control - Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency); LOG_INFO("anticheat.module", "AnticheatMgr:: Climb-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
} }
BuildReport(player, IGNORE_CONTROL_REPORT); BuildReport(player, CLIMB_HACK_REPORT);
} }
} }
}
void AnticheatMgr::ZAxisHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectZaxisHack", true))
return;
// 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 && player->GetLiquidData().Status == LIQUID_MAP_ABOVE_WATER)
return;
ObjectGuid key = player->GetGUID();
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) void AnticheatMgr::TeleportHackDetection(Player* player, MovementInfo movementInfo)
@@ -438,89 +434,221 @@ void AnticheatMgr::TeleportHackDetection(Player* player, MovementInfo movementIn
player->SetCanTeleport(false); player->SetCanTeleport(false);
} }
void AnticheatMgr::StartHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode) void AnticheatMgr::IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{ {
if (!sConfigMgr->GetOption<bool>("Anticheat.Enabled", 0)) float x, y;
player->GetPosition(x, y);
ObjectGuid key = player->GetGUID();
if (!sConfigMgr->GetOption<bool>("Anticheat.IgnoreControlHack", true))
return; return;
if (player->IsGameMaster()) 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::GravityHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectGravityHack", true))
return;
if (player->HasAuraType(SPELL_AURA_FEATHER_FALL))
return; return;
ObjectGuid key = player->GetGUID(); ObjectGuid key = player->GetGUID();
if (m_Players[key].GetLastOpcode() == MSG_MOVE_JUMP)
if (player->IsInFlight() || player->GetTransport() || player->GetVehicle())
{ {
m_Players[key].SetLastMovementInfo(movementInfo); if (!player->HasUnitMovementFlag(MOVEMENTFLAG_DISABLE_GRAVITY) && movementInfo.jump.zspeed < -10.0f)
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)) if (sConfigMgr->GetOption<bool>("Anticheat.WriteLog", true))
{ {
uint32 latency = 0; uint32 latency = 0;
latency = player->GetSession()->GetLatency(); latency = player->GetSession()->GetLatency();
LOG_INFO("anticheat.module", "AnticheatMgr:: Climb-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency); LOG_INFO("anticheat.module", "AnticheatMgr:: Gravity-Hack detected player {} ({}) - Latency: {} ms", player->GetName(), player->GetGUID().ToString(), latency);
} }
BuildReport(player, GRAVITY_HACK_REPORT);
BuildReport(player, CLIMB_HACK_REPORT);
} }
} }
} }
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::ZAxisHackDetection(Player* player, MovementInfo movementInfo)
{
if (!sConfigMgr->GetOption<bool>("Anticheat.DetectZaxisHack", true))
return;
// 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 && player->GetLiquidData().Status == LIQUID_MAP_ABOVE_WATER)
return;
ObjectGuid key = player->GetGUID();
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);
}
}
// basic detection // basic detection
void AnticheatMgr::AntiSwimHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode) void AnticheatMgr::AntiSwimHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode)
{ {
@@ -561,134 +689,6 @@ void AnticheatMgr::AntiSwimHackDetection(Player* player, MovementInfo movementIn
} }
} }
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) void AnticheatMgr::HandlePlayerLogin(Player* player)
{ {
// we must delete this to prevent errors in case of crash // we must delete this to prevent errors in case of crash

14
src/AnticheatMgr.h
View File

@@ -60,7 +60,7 @@ class AnticheatMgr
~AnticheatMgr(); ~AnticheatMgr();
public: public:
static AnticheatMgr* instance() static AnticheatMgr* instance()
{ {
static AnticheatMgr* instance = new AnticheatMgr(); static AnticheatMgr* instance = new AnticheatMgr();
return instance; return instance;
@@ -83,17 +83,17 @@ class AnticheatMgr
private: private:
void SpeedHackDetection(Player* player, MovementInfo movementInfo); void SpeedHackDetection(Player* player, MovementInfo movementInfo);
void FlyHackDetection(Player* player, MovementInfo movementInfo); void FlyHackDetection(Player* player, MovementInfo movementInfo);
void WalkOnWaterHackDetection(Player* player, MovementInfo movementInfo); void JumpHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode);
void JumpHackDetection(Player* player, MovementInfo movementInfo,uint32 opcode);
void TeleportPlaneHackDetection(Player* player, MovementInfo, uint32 opcode); void TeleportPlaneHackDetection(Player* player, MovementInfo, uint32 opcode);
void ClimbHackDetection(Player* player,MovementInfo movementInfo, uint32 opcode); void ClimbHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode);
void AntiSwimHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode);
void TeleportHackDetection(Player* player, MovementInfo movementInfo); void TeleportHackDetection(Player* player, MovementInfo movementInfo);
void IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode); void IgnoreControlHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode);
void ZAxisHackDetection(Player* player, MovementInfo movementInfo);
void GravityHackDetection(Player* player, MovementInfo movementInfo); void GravityHackDetection(Player* player, MovementInfo movementInfo);
void BuildReport(Player* player,uint16 reportType); void WalkOnWaterHackDetection(Player* player, MovementInfo movementInfo);
void ZAxisHackDetection(Player* player, MovementInfo movementInfo);
void AntiSwimHackDetection(Player* player, MovementInfo movementInfo, uint32 opcode);
void BuildReport(Player* player,uint16 reportType);
bool MustCheckTempReports(uint8 type); bool MustCheckTempReports(uint8 type);
uint32 _counter = 0; uint32 _counter = 0;
uint32 _alertFrequency = 0; uint32 _alertFrequency = 0;