From 307fad0f257c825c8d433a3e82f2989a8fddd3e0 Mon Sep 17 00:00:00 2001 From: Tycho Date: Sat, 8 Mar 2014 08:33:38 -0800 Subject: Fixed issues with int vs size_t and a few other warnings --- src/ClientHandle.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 870568cdf..53c859721 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -96,8 +96,8 @@ cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) : m_ShouldCheckDownloaded(false), m_NumExplosionsThisTick(0), m_UniqueID(0), - m_Locale("en_GB"), - m_HasSentPlayerChunk(false) + m_HasSentPlayerChunk(false), + m_Locale("en_GB") { m_Protocol = new cProtocolRecognizer(this); -- cgit v1.2.3 From 66970fe943ccc414c2f4fb722852f0461b8ddca2 Mon Sep 17 00:00:00 2001 From: Jan-Fabian Humann Date: Sat, 8 Mar 2014 17:55:53 +0100 Subject: Split cClientHandle::HandleEntityAction() into three seperate functions HandleEntityCrouch, HandleEntityLeaveBed and HandleEntitySprinting. --- src/ClientHandle.cpp | 58 +++++++++++++++++++++++++++------------------------- 1 file changed, 30 insertions(+), 28 deletions(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 870568cdf..79fdc5e04 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -1453,7 +1453,7 @@ bool cClientHandle::HandleHandshake(const AString & a_Username) -void cClientHandle::HandleEntityAction(int a_EntityID, char a_ActionID) +void cClientHandle::HandleEntityCrouch(int a_EntityID, bool a_IsCrouching) { if (a_EntityID != m_Player->GetUniqueID()) { @@ -1461,35 +1461,37 @@ void cClientHandle::HandleEntityAction(int a_EntityID, char a_ActionID) return; } - switch (a_ActionID) + m_Player->SetCrouch(a_IsCrouching); +} + + + + + +void cClientHandle::HandleEntityLeaveBed(int a_EntityID) +{ + if (a_EntityID != m_Player->GetUniqueID()) { - case 1: // Crouch - { - m_Player->SetCrouch(true); - break; - } - case 2: // Uncrouch - { - m_Player->SetCrouch(false); - break; - } - case 3: // Leave bed - { - m_Player->GetWorld()->BroadcastEntityAnimation(*m_Player, 2); - break; - } - case 4: // Start sprinting - { - m_Player->SetSprint(true); - break; - } - case 5: // Stop sprinting - { - m_Player->SetSprint(false); - SendPlayerMaxSpeed(); - break; - } + // We should only receive entity actions from the entity that is performing the action + return; } + + m_Player->GetWorld()->BroadcastEntityAnimation(*m_Player, 2); +} + + + + + +void cClientHandle::HandleEntitySprinting(int a_EntityID, bool a_IsSprinting) +{ + if (a_EntityID != m_Player->GetUniqueID()) + { + // We should only receive entity actions from the entity that is performing the action + return; + } + + m_Player->SetSprint(a_IsSprinting); } -- cgit v1.2.3 From 8d2ebf8e19e1556d256f75678d2272bb6739030f Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Thu, 6 Mar 2014 20:06:53 +0000 Subject: Slight plugin messaging changes - Clients are not allowed to register duplicate channels - Clients are not allowed to use channels that were not registered --- src/ClientHandle.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 870568cdf..c677862eb 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -555,12 +555,25 @@ void cClientHandle::HandlePluginMessage(const AString & a_Channel, const AString } else if (a_Channel == "REGISTER") { + if (HasPluginChannel(a_Channel)) + { + SendPluginMessage("UNREGISTER", a_Channel); + return; // Can't register again if already taken - kinda defeats the point of plugin messaging! + } + RegisterPluginChannels(BreakApartPluginChannels(a_Message)); } else if (a_Channel == "UNREGISTER") { UnregisterPluginChannels(BreakApartPluginChannels(a_Message)); } + else if (!HasPluginChannel(a_Channel)) + { + // Ignore if client sent something but didn't register the channel first + LOGD("Player %s sent a plugin message on channel \"%s\", but didn't REGISTER it first", GetUsername().c_str(), a_Channel.c_str()); + SendPluginMessage("UNREGISTER", a_Channel); + return; + } cPluginManager::Get()->CallHookPluginMessage(*this, a_Channel, a_Message); } -- cgit v1.2.3 From c05a1db88d2a81b5aa93881c9791bcaadaad6304 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sat, 1 Mar 2014 21:24:36 +0000 Subject: CheckBlockInteractionsRate() fixed & enabled --- src/ClientHandle.cpp | 48 +++++++++++++++++++----------------------------- 1 file changed, 19 insertions(+), 29 deletions(-) (limited to 'src/ClientHandle.cpp') 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; } -- cgit v1.2.3 From a2fb28dd082b85d714970f119a82cdba3583037a Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 2 Mar 2014 16:28:51 +0000 Subject: Fixed data length issues --- src/ClientHandle.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index ef33a313d..9f08b43a5 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -939,7 +939,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e if (!CheckBlockInteractionsRate()) { - Kick("Too many blocks were destroyed per unit time - hacked client?"); + Kick("Too many blocks were placed/interacted with per unit time - hacked client?"); return; } -- cgit v1.2.3 From 77787fb719bf6437d4101f091b5b9acedea83dd3 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 9 Mar 2014 14:55:47 +0000 Subject: != FACE_NONE --- src/ClientHandle.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index d268a4122..1bd55a461 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -949,7 +949,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e cBlockHandler * BlockHandler = cBlockInfo::GetHandler(BlockType); BlockHandler->OnCancelRightClick(ChunkInterface, *World, m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace); - if (a_BlockFace > BLOCK_FACE_NONE) + if (a_BlockFace != BLOCK_FACE_NONE) { AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace); World->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player); -- cgit v1.2.3 From 2eca30aebc9a4f7307c31a75ca23e19fa3f1a4a7 Mon Sep 17 00:00:00 2001 From: Tycho Date: Mon, 10 Mar 2014 11:34:20 -0700 Subject: Removed Some unnessicary macros --- src/ClientHandle.cpp | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 94c9f5f71..df728e83b 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -36,19 +36,6 @@ - - -#define AddPistonDir(x, y, z, dir, amount) switch (dir) { case 0: (y)-=(amount); break; case 1: (y)+=(amount); break;\ - case 2: (z)-=(amount); break; case 3: (z)+=(amount); break;\ - case 4: (x)-=(amount); break; case 5: (x)+=(amount); break; } - - - - - -/** If the number of queued outgoing packets reaches this, the client will be kicked */ -#define MAX_OUTGOING_PACKETS 2000 - /** Maximum number of explosions to send this tick, server will start dropping if exceeded */ #define MAX_EXPLOSIONS_PER_TICK 20 -- cgit v1.2.3 From b4bf13aa4f004a7819e262679a295d8ca886557b Mon Sep 17 00:00:00 2001 From: andrew Date: Tue, 11 Mar 2014 16:01:17 +0200 Subject: Unified Vector classes --- src/ClientHandle.cpp | 3 --- 1 file changed, 3 deletions(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 94c9f5f71..9083d7ae0 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -22,9 +22,6 @@ #include "Blocks/BlockSlab.h" #include "Blocks/ChunkInterface.h" -#include "Vector3f.h" -#include "Vector3d.h" - #include "Root.h" #include "Authenticator.h" -- cgit v1.2.3 From 16b27c4b7ae2ccb03355148fa7fc7116190cc5fb Mon Sep 17 00:00:00 2001 From: Tycho Date: Tue, 11 Mar 2014 14:16:08 -0700 Subject: Fixed a load of format string errors --- src/ClientHandle.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/ClientHandle.cpp') diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index df728e83b..02b2e1c47 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -882,7 +882,7 @@ void cClientHandle::HandleBlockDigFinished(int a_BlockX, int a_BlockY, int a_Blo LOGD("Prevented a dig/aim bug in the client (finish {%d, %d, %d} vs start {%d, %d, %d}, HSD: %s)", a_BlockX, a_BlockY, a_BlockZ, m_LastDigBlockX, m_LastDigBlockY, m_LastDigBlockZ, - m_HasStartedDigging + (m_HasStartedDigging ? "True" : "False") ); return; } -- cgit v1.2.3