diff options
Diffstat (limited to 'src/ClientHandle.cpp')
-rw-r--r-- | src/ClientHandle.cpp | 48 |
1 files changed, 19 insertions, 29 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; } |