diff options
Diffstat (limited to '')
| -rw-r--r-- | src/ClientHandle.cpp | 48 | ||||
| -rw-r--r-- | src/ClientHandle.h | 4 | ||||
| -rw-r--r-- | src/Entities/Player.cpp | 25 | ||||
| -rw-r--r-- | src/Entities/Player.h | 11 |
4 files changed, 23 insertions, 65 deletions
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index b08ceb5f6..ef33a313d 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -52,6 +52,9 @@ /** Maximum number of explosions to send this tick, server will start dropping if exceeded */ #define MAX_EXPLOSIONS_PER_TICK 20 +/** Maximum number of block change interactions a player can perform per tick - exceeding this causes a kick */ +#define MAX_BLOCK_CHANGE_INTERACTIONS 20 + /** How many ticks before the socket is closed after the client is destroyed (#31) */ static const int TICKS_BEFORE_CLOSE = 20; @@ -687,6 +690,14 @@ void cClientHandle::HandleLeftClick(int a_BlockX, int a_BlockY, int a_BlockZ, eB a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status ); + m_NumBlockChangeInteractionsThisTick++; + + if (!CheckBlockInteractionsRate()) + { + Kick("Too many blocks were destroyed per unit time - hacked client?"); + return; + } + cPluginManager * PlgMgr = cRoot::Get()->GetPluginManager(); if (PlgMgr->CallHookPlayerLeftClick(*m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status)) { @@ -694,12 +705,6 @@ void cClientHandle::HandleLeftClick(int a_BlockX, int a_BlockY, int a_BlockZ, eB m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player); return; } - - if (!CheckBlockInteractionsRate()) - { - // Too many interactions per second, simply ignore. Probably a hacked client, so don't even send bak the block - return; - } switch (a_Status) { @@ -924,7 +929,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e if (PlgMgr->CallHookPlayerRightClick(*m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ)) { // A plugin doesn't agree with the action, replace the block on the client and quit: - if (a_BlockFace > -1) + if (a_BlockFace > BLOCK_FACE_NONE) { AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace); m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player); @@ -934,7 +939,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e if (!CheckBlockInteractionsRate()) { - LOGD("Too many block interactions, aborting placement"); + Kick("Too many blocks were destroyed per unit time - hacked client?"); return; } @@ -1613,28 +1618,12 @@ bool cClientHandle::CheckBlockInteractionsRate(void) { ASSERT(m_Player != NULL); ASSERT(m_Player->GetWorld() != NULL); - /* - // TODO: _X 2012_11_01: This needs a total re-thinking and rewriting - int LastActionCnt = m_Player->GetLastBlockActionCnt(); - if ((m_Player->GetWorld()->GetTime() - m_Player->GetLastBlockActionTime()) < 0.1) - { - // Limit the number of block interactions per tick - m_Player->SetLastBlockActionTime(); //Player tried to interact with a block. Reset last block interation time. - m_Player->SetLastBlockActionCnt(LastActionCnt + 1); - if (m_Player->GetLastBlockActionCnt() > MAXBLOCKCHANGEINTERACTIONS) - { - // Kick if more than MAXBLOCKCHANGEINTERACTIONS per tick - LOGWARN("Player %s tried to interact with a block too quickly! (could indicate bot) Was Kicked.", m_Username.c_str()); - Kick("You're a baaaaaad boy!"); - return false; - } - } - else + + if (m_NumBlockChangeInteractionsThisTick > MAX_BLOCK_CHANGE_INTERACTIONS) { - m_Player->SetLastBlockActionCnt(0); // Reset count - m_Player->SetLastBlockActionTime(); // Player tried to interact with a block. Reset last block interation time. + return false; } - */ + return true; } @@ -1707,8 +1696,9 @@ void cClientHandle::Tick(float a_Dt) } } - // Reset explosion counter: + // Reset explosion & block change counters: m_NumExplosionsThisTick = 0; + m_NumBlockChangeInteractionsThisTick = 0; } diff --git a/src/ClientHandle.h b/src/ClientHandle.h index 194533402..2382e81cf 100644 --- a/src/ClientHandle.h +++ b/src/ClientHandle.h @@ -46,7 +46,6 @@ class cClientHandle : // tolua_export public cSocketThreads::cCallback { // tolua_export public: - static const int MAXBLOCKCHANGEINTERACTIONS = 20; // 5 didn't help, 10 still doesn't work in Creative, 20 seems to have done the trick #if defined(ANDROID_NDK) static const int DEFAULT_VIEW_DISTANCE = 4; // The default ViewDistance (used when no value is set in Settings.ini) @@ -319,6 +318,9 @@ private: /** Number of explosions sent this tick */ int m_NumExplosionsThisTick; + + /** Number of place or break interactions this tick */ + int m_NumBlockChangeInteractionsThisTick; static int s_ClientCount; int m_UniqueID; diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp index f4039e548..2a62931ab 100644 --- a/src/Entities/Player.cpp +++ b/src/Entities/Player.cpp @@ -38,10 +38,7 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName) , m_Inventory(*this) , m_CurrentWindow(NULL) , m_InventoryWindow(NULL) - , m_TimeLastPickupCheck(0.f) , m_Color('-') - , m_LastBlockActionTime(0) - , m_LastBlockActionCnt(0) , m_GameMode(eGameMode_NotSet) , m_IP("") , m_ClientHandle(a_Client) @@ -79,7 +76,6 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName) m_LastPlayerListTime = t1.GetNowTime(); m_TimeLastTeleportPacket = 0; - m_TimeLastPickupCheck = 0; m_PlayerName = a_PlayerName; m_bDirtyPosition = true; // So chunks are streamed to player at spawn @@ -1055,27 +1051,6 @@ void cPlayer::CloseWindowIfID(char a_WindowID, bool a_CanRefuse) -void cPlayer::SetLastBlockActionTime() -{ - if (m_World != NULL) - { - m_LastBlockActionTime = m_World->GetWorldAge() / 20.0f; - } -} - - - - - -void cPlayer::SetLastBlockActionCnt( int a_LastBlockActionCnt ) -{ - m_LastBlockActionCnt = a_LastBlockActionCnt; -} - - - - - void cPlayer::SetGameMode(eGameMode a_GameMode) { if ((a_GameMode < gmMin) || (a_GameMode >= gmMax)) diff --git a/src/Entities/Player.h b/src/Entities/Player.h index a795bb9eb..f9404dfaf 100644 --- a/src/Entities/Player.h +++ b/src/Entities/Player.h @@ -50,7 +50,7 @@ public: /// Returns the curently equipped weapon; empty item if none virtual cItem GetEquippedWeapon(void) const override { return m_Inventory.GetEquippedItem(); } - /// Returns the currently equipped helmet; empty item if nonte + /// Returns the currently equipped helmet; empty item if none virtual cItem GetEquippedHelmet(void) const override { return m_Inventory.GetEquippedHelmet(); } /// Returns the currently equipped chestplate; empty item if none @@ -165,11 +165,6 @@ public: // tolua_end void SetIP(const AString & a_IP); - - float GetLastBlockActionTime() { return m_LastBlockActionTime; } - int GetLastBlockActionCnt() { return m_LastBlockActionCnt; } - void SetLastBlockActionCnt( int ); - void SetLastBlockActionTime(); // Sets the current gamemode, doesn't check validity, doesn't send update packets to client void LoginSetGameMode(eGameMode a_GameMode); @@ -416,12 +411,8 @@ protected: cWindow * m_CurrentWindow; cWindow * m_InventoryWindow; - float m_TimeLastPickupCheck; - char m_Color; - float m_LastBlockActionTime; - int m_LastBlockActionCnt; eGameMode m_GameMode; AString m_IP; |