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authorHowaner <franzi.moos@googlemail.com>2014-09-29 14:37:01 +0200
committerHowaner <franzi.moos@googlemail.com>2014-09-29 14:37:01 +0200
commit347402d20d7ecaab3daad691eb178c5a04447d44 (patch)
tree4a3188eef6087a3029b348cbbe8c93e5d365d158 /src/Protocol/Protocol132.cpp
parentFixed SetDefaultRank() return value. (diff)
parentMerge pull request #1479 from SphinxC0re/master (diff)
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Diffstat (limited to '')
-rw-r--r--src/Protocol/Protocol132.cpp880
1 files changed, 0 insertions, 880 deletions
diff --git a/src/Protocol/Protocol132.cpp b/src/Protocol/Protocol132.cpp
deleted file mode 100644
index 63a15c082..000000000
--- a/src/Protocol/Protocol132.cpp
+++ /dev/null
@@ -1,880 +0,0 @@
-
-// Protocol132.cpp
-
-// Implements the cProtocol132 class representing the release 1.3.2 protocol (#39)
-
-#include "Globals.h"
-#include "ChunkDataSerializer.h"
-#include "Protocol132.h"
-#include "../Root.h"
-#include "../Server.h"
-#include "../World.h"
-#include "../ClientHandle.h"
-#include "../Item.h"
-#include "../Entities/Player.h"
-#include "../Mobs/Monster.h"
-#include "../UI/Window.h"
-#include "../Entities/Pickup.h"
-#include "../WorldStorage/FastNBT.h"
-#include "../WorldStorage/EnchantmentSerializer.h"
-#include "../StringCompression.h"
-#include "PolarSSL++/Sha1Checksum.h"
-
-
-
-
-
-#define HANDLE_PACKET_READ(Proc, Type, Var) \
- Type Var; \
- { \
- if (!m_ReceivedData.Proc(Var)) \
- { \
- m_ReceivedData.CheckValid(); \
- return PARSE_INCOMPLETE; \
- } \
- m_ReceivedData.CheckValid(); \
- }
-
-
-
-
-
-const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows...
-
-
-
-
-
-enum
-{
- PACKET_KEEP_ALIVE = 0x00,
- PACKET_LOGIN = 0x01,
- PACKET_ENTITY_EQUIPMENT = 0x05,
- PACKET_COMPASS = 0x06,
- PACKET_PLAYER_SPAWN = 0x14,
- PACKET_COLLECT_PICKUP = 0x16,
- PACKET_SPAWN_MOB = 0x18,
- PACKET_DESTROY_ENTITIES = 0x1d,
- PACKET_CHUNK_DATA = 0x33,
- PACKET_BLOCK_CHANGE = 0x35,
- PACKET_BLOCK_ACTION = 0x36,
- PACKET_BLOCK_BREAK_ANIM = 0x37,
- PACKET_SOUND_EFFECT = 0x3e,
- PACKET_SOUND_PARTICLE_EFFECT = 0x3d,
- PACKET_TAB_COMPLETION = 0xcb,
- PACKET_LOCALE_VIEW_DISTANCE = 0xcc,
- PACKET_CLIENT_STATUSES = 0xcd,
- PACKET_ENCRYPTION_KEY_RESP = 0xfc,
-} ;
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// cProtocol132:
-
-cProtocol132::cProtocol132(cClientHandle * a_Client) :
- super(a_Client),
- m_IsEncrypted(false)
-{
-}
-
-
-
-
-
-cProtocol132::~cProtocol132()
-{
- if (!m_DataToSend.empty())
- {
- LOGD("There are " SIZE_T_FMT " unsent bytes while deleting cProtocol132", m_DataToSend.size());
- }
-}
-
-
-
-
-
-void cProtocol132::DataReceived(const char * a_Data, size_t a_Size)
-{
- if (m_IsEncrypted)
- {
- Byte Decrypted[512];
- while (a_Size > 0)
- {
- size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
- m_Decryptor.ProcessData(Decrypted, (Byte *)a_Data, NumBytes);
- super::DataReceived((const char *)Decrypted, NumBytes);
- a_Size -= NumBytes;
- a_Data += NumBytes;
- }
- }
- else
- {
- super::DataReceived(a_Data, a_Size);
- }
-}
-
-
-
-
-
-void cProtocol132::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_BLOCK_ACTION);
- WriteInt (a_BlockX);
- WriteShort((short)a_BlockY);
- WriteInt (a_BlockZ);
- WriteChar (a_Byte1);
- WriteChar (a_Byte2);
- WriteShort(a_BlockType);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY, int a_BlockZ, char stage)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_BLOCK_BREAK_ANIM);
- WriteInt (a_entityID);
- WriteInt (a_BlockX);
- WriteInt (a_BlockY);
- WriteInt (a_BlockZ);
- WriteChar (stage);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_BLOCK_CHANGE);
- WriteInt (a_BlockX);
- WriteByte ((unsigned char)a_BlockY);
- WriteInt (a_BlockZ);
- WriteShort(a_BlockType);
- WriteByte (a_BlockMeta);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
-{
- cCSLock Lock(m_CSPacket);
-
- // Pre-chunk not used in 1.3.2. Finally.
-
- // Send the chunk data:
- AString Serialized = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2, a_ChunkX, a_ChunkZ);
- WriteByte(PACKET_CHUNK_DATA);
- WriteInt (a_ChunkX);
- WriteInt (a_ChunkZ);
- SendData(Serialized.data(), Serialized.size());
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_COLLECT_PICKUP);
- WriteInt (a_Entity.GetUniqueID());
- WriteInt (a_Player.GetUniqueID());
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendDestroyEntity(const cEntity & a_Entity)
-{
- if (a_Entity.GetUniqueID() == m_Client->GetPlayer()->GetUniqueID())
- {
- // Do not send "destroy self" to the client, the client would crash (FS #254)
- return;
- }
-
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_DESTROY_ENTITIES);
- WriteByte(1); // entity count
- WriteInt (a_Entity.GetUniqueID());
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_ENTITY_EQUIPMENT);
- WriteInt (a_Entity.GetUniqueID());
- WriteShort(a_SlotNum);
- WriteItem (a_Item);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_LOGIN);
- WriteInt (a_Player.GetUniqueID()); // EntityID of the player
- WriteString("default"); // Level type
- WriteByte ((Byte)a_Player.GetGameMode());
- WriteByte ((Byte)(a_World.GetDimension()));
- WriteByte (2); // TODO: Difficulty
- WriteByte (0); // Unused, used to be world height
- WriteByte (8); // Client list width or something
- Flush();
- m_LastSentDimension = a_World.GetDimension();
- SendCompass(a_World);
-}
-
-
-
-
-
-void cProtocol132::SendPlayerSpawn(const cPlayer & a_Player)
-{
- const cItem & HeldItem = a_Player.GetEquippedItem();
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_PLAYER_SPAWN);
- WriteInt (a_Player.GetUniqueID());
- if (a_Player.HasCustomName())
- {
- WriteString(a_Player.GetCustomName());
- }
- else
- {
- WriteString(a_Player.GetName());
- }
- WriteInt ((int)(a_Player.GetPosX() * 32));
- WriteInt ((int)(a_Player.GetPosY() * 32));
- WriteInt ((int)(a_Player.GetPosZ() * 32));
- WriteChar ((char)((a_Player.GetYaw() / 360.f) * 256));
- WriteChar ((char)((a_Player.GetPitch() / 360.f) * 256));
- WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType);
- // Player metadata: just use a default metadata value, since the client doesn't like starting without any metadata:
- WriteByte (0); // Index 0, byte (flags)
- WriteByte (0); // Flags, empty
- WriteByte (0x7f); // End of metadata
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_SOUND_EFFECT);
- WriteString (a_SoundName);
- WriteInt ((int)(a_X * 8.0));
- WriteInt ((int)(a_Y * 8.0));
- WriteInt ((int)(a_Z * 8.0));
- WriteFloat (a_Volume);
- WriteChar ((char)(a_Pitch * 63.0f));
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_SOUND_PARTICLE_EFFECT);
- WriteInt (a_EffectID);
- WriteInt (a_SrcX);
- WriteByte((Byte)a_SrcY);
- WriteInt (a_SrcZ);
- WriteInt (a_Data);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendSpawnMob(const cMonster & a_Mob)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte (PACKET_SPAWN_MOB);
- WriteInt (a_Mob.GetUniqueID());
- WriteByte ((Byte)a_Mob.GetMobType());
- WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32));
- WriteByte ((Byte)((a_Mob.GetYaw() / 360.f) * 256));
- WriteByte ((Byte)((a_Mob.GetPitch() / 360.f) * 256));
- WriteByte ((Byte)((a_Mob.GetHeadYaw() / 360.f) * 256));
- WriteShort ((short)(a_Mob.GetSpeedX() * 400));
- WriteShort ((short)(a_Mob.GetSpeedY() * 400));
- WriteShort ((short)(a_Mob.GetSpeedZ() * 400));
-
- WriteCommonMetadata(a_Mob);
- WriteMobMetadata(a_Mob);
- WriteByte(0x7f);
-
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendTabCompletionResults(const AStringVector & a_Results)
-{
- if (a_Results.empty())
- {
- // No results to send
- return;
- }
-
- AString Serialized(a_Results[0]);
- for (AStringVector::const_iterator itr = a_Results.begin() + 1, end = a_Results.end(); itr != end; ++itr)
- {
- Serialized.push_back(0);
- Serialized.append(*itr);
- } // for itr - a_Results[]
-
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_TAB_COMPLETION);
- WriteString(Serialized);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
-{
- // Unloading the chunk is done by sending a "map chunk" packet
- // with IncludeInitialize set to true and primary bitmap set to 0:
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_CHUNK_DATA);
- WriteInt (a_ChunkX);
- WriteInt (a_ChunkZ);
- WriteBool(true); // IncludeInitialize
- WriteShort(0); // Primary bitmap
- WriteShort(0); // Add bitmap
- WriteInt(0);
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendWholeInventory(const cWindow & a_Window)
-{
- // 1.3.2 requires player inventory slots to be sent as SetSlot packets,
- // otherwise it sometimes fails to update the window
-
- // Send the entire window:
- super::SendWholeInventory(a_Window);
-
- // Send the player inventory and hotbar:
- cPlayer * Player = m_Client->GetPlayer();
- const cInventory & Inventory = Player->GetInventory();
- int BaseOffset = a_Window.GetNumSlots() - (cInventory::invNumSlots - cInventory::invInventoryOffset); // Number of non-inventory slots
- char WindowID = a_Window.GetWindowID();
- for (short i = 0; i < cInventory::invInventoryCount; i++)
- {
- SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetInventorySlot(i));
- } // for i - Inventory[]
- BaseOffset += cInventory::invInventoryCount;
- for (short i = 0; i < cInventory::invHotbarCount; i++)
- {
- SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetHotbarSlot(i));
- } // for i - Hotbar[]
-
- // Send even the item being dragged:
- SendInventorySlot(-1, -1, Player->GetDraggingItem());
-}
-
-
-
-
-
-AString cProtocol132::GetAuthServerID(void)
-{
- // http://wiki.vg/wiki/index.php?title=Session&oldid=2615
- // Server uses SHA1 to mix ServerID, Client secret and server public key together
- // The mixing is done in StartEncryption, the result is in m_AuthServerID
-
- return m_AuthServerID;
-}
-
-
-
-
-
-int cProtocol132::ParsePacket(unsigned char a_PacketType)
-{
- switch (a_PacketType)
- {
- default: return super::ParsePacket(a_PacketType); // off-load previously known packets into cProtocol125
- case PACKET_CLIENT_STATUSES: return ParseClientStatuses();
- case PACKET_ENCRYPTION_KEY_RESP: return ParseEncryptionKeyResponse();
- case PACKET_LOCALE_VIEW_DISTANCE: return ParseLocaleViewDistance();
- case PACKET_TAB_COMPLETION: return ParseTabCompletion();
- }
-}
-
-
-
-
-
-int cProtocol132::ParseBlockPlace(void)
-{
- HANDLE_PACKET_READ(ReadBEInt, int, PosX);
- HANDLE_PACKET_READ(ReadByte, Byte, PosY);
- HANDLE_PACKET_READ(ReadBEInt, int, PosZ);
- HANDLE_PACKET_READ(ReadChar, char, BlockFace);
-
- cItem HeldItem;
- int res = ParseItem(HeldItem);
- if (res < 0)
- {
- return res;
- }
-
- HANDLE_PACKET_READ(ReadChar, char, CursorX);
- HANDLE_PACKET_READ(ReadChar, char, CursorY);
- HANDLE_PACKET_READ(ReadChar, char, CursorZ);
-
- m_Client->HandleRightClick(PosX, PosY, PosZ, static_cast<eBlockFace>(BlockFace), CursorX, CursorY, CursorZ, HeldItem);
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseHandshake(void)
-{
- HANDLE_PACKET_READ(ReadByte, Byte, ProtocolVersion);
- HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username);
- HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ServerHost);
- HANDLE_PACKET_READ(ReadBEInt, int, ServerPort);
- m_Username = Username;
-
- if (!m_Client->HandleHandshake( m_Username))
- {
- return PARSE_OK; // Player is not allowed into the server
- }
-
- // Send a 0xfd Encryption Key Request http://wiki.vg/Protocol#0xFD
- SendEncryptionKeyRequest();
-
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseClientStatuses(void)
-{
- HANDLE_PACKET_READ(ReadByte, Byte, Status);
- if ((Status & 1) == 0)
- {
- m_Client->HandleLogin(39, m_Username);
- }
- else
- {
- m_Client->HandleRespawn();
- }
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseEncryptionKeyResponse(void)
-{
- // Read the encryption key:
- HANDLE_PACKET_READ(ReadBEShort, short, EncKeyLength);
- if (EncKeyLength > MAX_ENC_LEN)
- {
- LOGD("Too long encryption key");
- m_Client->Kick("Hacked client");
- return PARSE_OK;
- }
- AString EncKey;
- if (!m_ReceivedData.ReadString(EncKey, (size_t)EncKeyLength))
- {
- return PARSE_INCOMPLETE;
- }
-
- // Read the encryption nonce:
- HANDLE_PACKET_READ(ReadBEShort, short, EncNonceLength);
- AString EncNonce;
- if (!m_ReceivedData.ReadString(EncNonce, (size_t)EncNonceLength))
- {
- return PARSE_INCOMPLETE;
- }
- if (EncNonceLength > MAX_ENC_LEN)
- {
- LOGD("Too long encryption nonce");
- m_Client->Kick("Hacked client");
- return PARSE_OK;
- }
-
- HandleEncryptionKeyResponse(EncKey, EncNonce);
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseLocaleViewDistance(void)
-{
- HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Locale);
- HANDLE_PACKET_READ(ReadChar, char, ViewDistance);
- HANDLE_PACKET_READ(ReadChar, char, ChatFlags);
- HANDLE_PACKET_READ(ReadChar, char, ClientDifficulty);
- m_Client->SetLocale(Locale);
- // TODO: m_Client->HandleViewDistance(ViewDistance);
- // TODO: m_Client->HandleChatFlags(ChatFlags);
- // Ignoring client difficulty
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseLogin(void)
-{
- // Login packet not used in 1.3.2
- return PARSE_ERROR;
-}
-
-
-
-
-
-int cProtocol132::ParsePlayerAbilities(void)
-{
- HANDLE_PACKET_READ(ReadBool, bool, Flags);
- HANDLE_PACKET_READ(ReadChar, char, FlyingSpeed);
- HANDLE_PACKET_READ(ReadChar, char, WalkingSpeed);
- // TODO: m_Client->HandlePlayerAbilities(...);
- return PARSE_OK;
-}
-
-
-
-
-
-int cProtocol132::ParseTabCompletion(void)
-{
- HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Text);
- m_Client->HandleTabCompletion(Text);
- return PARSE_OK;
-}
-
-
-
-
-
-void cProtocol132::SendData(const char * a_Data, size_t a_Size)
-{
- m_DataToSend.append(a_Data, a_Size);
-}
-
-
-
-
-
-void cProtocol132::Flush(void)
-{
- ASSERT(m_CSPacket.IsLockedByCurrentThread()); // Did all packets lock the CS properly?
-
- if (m_DataToSend.empty())
- {
- LOGD("Flushing empty");
- return;
- }
- const char * Data = m_DataToSend.data();
- size_t Size = m_DataToSend.size();
- if (m_IsEncrypted)
- {
- Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
- while (Size > 0)
- {
- size_t NumBytes = (Size > sizeof(Encrypted)) ? sizeof(Encrypted) : Size;
- m_Encryptor.ProcessData(Encrypted, (Byte *)Data, NumBytes);
- super::SendData((const char *)Encrypted, NumBytes);
- Size -= NumBytes;
- Data += NumBytes;
- }
- }
- else
- {
- super::SendData(Data, Size);
- }
- m_DataToSend.clear();
-}
-
-
-
-
-
-void cProtocol132::WriteItem(const cItem & a_Item)
-{
- short ItemType = a_Item.m_ItemType;
- ASSERT(ItemType >= -1); // Check validity of packets in debug runtime
- if (ItemType <= 0)
- {
- // Fix, to make sure no invalid values are sent.
- ItemType = -1;
- }
-
- if (a_Item.IsEmpty())
- {
- WriteShort(-1);
- return;
- }
-
- WriteShort(ItemType);
- WriteChar (a_Item.m_ItemCount);
- WriteShort(a_Item.m_ItemDamage);
-
- if (a_Item.m_Enchantments.IsEmpty())
- {
- WriteShort(-1);
- return;
- }
-
- // Send the enchantments:
- cFastNBTWriter Writer;
- const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
- EnchantmentSerializer::WriteToNBTCompound(a_Item.m_Enchantments, Writer, TagName);
- Writer.Finish();
- AString Compressed;
- CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
- WriteShort((short)Compressed.size());
- SendData(Compressed.data(), Compressed.size());
-}
-
-
-
-
-
-int cProtocol132::ParseItem(cItem & a_Item)
-{
- HANDLE_PACKET_READ(ReadBEShort, short, ItemType);
-
- if (ItemType <= -1)
- {
- a_Item.Empty();
- return PARSE_OK;
- }
- a_Item.m_ItemType = ItemType;
-
- HANDLE_PACKET_READ(ReadChar, char, ItemCount);
- HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage);
- a_Item.m_ItemCount = ItemCount;
- a_Item.m_ItemDamage = ItemDamage;
- if (ItemCount <= 0)
- {
- a_Item.Empty();
- }
-
- HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength);
- if (MetadataLength <= 0)
- {
- return PARSE_OK;
- }
-
- // Read the metadata
- AString Metadata;
- Metadata.resize((size_t)MetadataLength);
- if (!m_ReceivedData.ReadBuf((void *)Metadata.data(), (size_t)MetadataLength))
- {
- return PARSE_INCOMPLETE;
- }
-
- return ParseItemMetadata(a_Item, Metadata);
-}
-
-
-
-
-
-int cProtocol132::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
-{
- // Uncompress the GZIPped data:
- AString Uncompressed;
- if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK)
- {
- AString HexDump;
- CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16);
- LOG("Cannot unGZIP item metadata:\n%s", HexDump.c_str());
- return PARSE_ERROR;
- }
-
- // Parse into NBT:
- cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
- if (!NBT.IsValid())
- {
- AString HexDump;
- CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16);
- LOG("Cannot parse NBT item metadata:\n%s", HexDump.c_str());
- return PARSE_ERROR;
- }
-
- // Load enchantments from the NBT:
- for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
- {
- if (
- (NBT.GetType(tag) == TAG_List) &&
- (
- (NBT.GetName(tag) == "ench") ||
- (NBT.GetName(tag) == "StoredEnchantments")
- )
- )
- {
- EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
- }
- }
-
- return PARSE_OK;
-}
-
-
-
-
-
-void cProtocol132::SendCompass(const cWorld & a_World)
-{
- cCSLock Lock(m_CSPacket);
- WriteByte(PACKET_COMPASS);
- WriteInt((int)(a_World.GetSpawnX()));
- WriteInt((int)(a_World.GetSpawnY()));
- WriteInt((int)(a_World.GetSpawnZ()));
- Flush();
-}
-
-
-
-
-
-void cProtocol132::SendEncryptionKeyRequest(void)
-{
- cCSLock Lock(m_CSPacket);
- cServer * Server = cRoot::Get()->GetServer();
- WriteByte(0xfd);
- WriteString(Server->GetServerID());
- const AString & PublicKeyDER = Server->GetPublicKeyDER();
- WriteShort((short)(PublicKeyDER.size()));
- SendData(PublicKeyDER.data(), PublicKeyDER.size());
- WriteShort(4);
- WriteInt((int)(intptr_t)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
- Flush();
-}
-
-
-
-
-
-void cProtocol132::HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce)
-{
- // Decrypt EncNonce using privkey
- cRsaPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey();
-
- Int32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)];
- int res = rsaDecryptor.Decrypt((const Byte *)a_EncNonce.data(), a_EncNonce.size(), (Byte *)DecryptedNonce, sizeof(DecryptedNonce));
- if (res != 4)
- {
- LOGD("Bad nonce length");
- m_Client->Kick("Hacked client");
- return;
- }
- if (ntohl(DecryptedNonce[0]) != (unsigned)(uintptr_t)this)
- {
- LOGD("Bad nonce value");
- m_Client->Kick("Hacked client");
- return;
- }
-
- // Decrypt the symmetric encryption key using privkey:
- Byte DecryptedKey[MAX_ENC_LEN];
- res = rsaDecryptor.Decrypt((const Byte *)a_EncKey.data(), a_EncKey.size(), DecryptedKey, sizeof(DecryptedKey));
- if (res != 16)
- {
- LOGD("Bad key length");
- m_Client->Kick("Hacked client");
- return;
- }
-
- {
- // Send encryption key response:
- cCSLock Lock(m_CSPacket);
- WriteByte(0xfc);
- WriteShort(0);
- WriteShort(0);
- Flush();
- }
-
- #ifdef _DEBUG
- AString DecryptedKeyHex;
- CreateHexDump(DecryptedKeyHex, DecryptedKey, res, 16);
- LOGD("Received encryption key, %d bytes:\n%s", res, DecryptedKeyHex.c_str());
- #endif
-
- StartEncryption(DecryptedKey);
- return;
-}
-
-
-
-
-
-void cProtocol132::StartEncryption(const Byte * a_Key)
-{
- m_Encryptor.Init(a_Key, a_Key);
- m_Decryptor.Init(a_Key, a_Key);
- m_IsEncrypted = true;
-
- // Prepare the m_AuthServerID:
- cSha1Checksum Checksum;
- cServer * Server = cRoot::Get()->GetServer();
- AString ServerID = Server->GetServerID();
- Checksum.Update((const Byte *)ServerID.c_str(), ServerID.length());
- Checksum.Update(a_Key, 16);
- Checksum.Update((const Byte *)Server->GetPublicKeyDER().data(), Server->GetPublicKeyDER().size());
- Byte Digest[20];
- Checksum.Finalize(Digest);
- cSha1Checksum::DigestToJava(Digest, m_AuthServerID);
-}
-
-
-
-