132 lines
3.5 KiB
Lua
132 lines
3.5 KiB
Lua
-- @docclass
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ProtocolLogin = extends(Protocol)
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LoginServerError = 10
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LoginServerMotd = 20
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LoginServerUpdateNeeded = 30
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LoginServerCharacterList = 100
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LoginServerExtendedCharacterList = 101
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function ProtocolLogin:login(host, port, accountName, accountPassword)
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if string.len(host) == 0 or port == nil or port == 0 then
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signalcall(self.onError, self, tr("You must enter a valid server address and port."))
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return
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end
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self.accountName = accountName
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self.accountPassword = accountPassword
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self.connectCallback = sendLoginPacket
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self:connect(host, port)
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end
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function ProtocolLogin:cancelLogin()
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self:disconnect()
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end
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function ProtocolLogin:sendLoginPacket()
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local msg = OutputMessage.create()
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msg:addU8(ClientOpcodes.ClientEnterAccount)
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msg:addU16(g_game.getOsType())
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msg:addU16(g_game.getClientVersion())
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msg:addU32(g_things.getDatSignature())
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msg:addU32(g_sprites.getSprSignature())
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msg:addU32(PIC_SIGNATURE)
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local paddingBytes = 128
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msg:addU8(0) -- first RSA byte must be 0
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paddingBytes = paddingBytes - 1
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-- xtea key
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self:generateXteaKey()
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local xteaKey = self:getXteaKey()
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msg:addU32(xteaKey[1])
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msg:addU32(xteaKey[2])
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msg:addU32(xteaKey[3])
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msg:addU32(xteaKey[4])
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paddingBytes = paddingBytes - 16
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if g_game.getFeature(GameProtocolChecksum) then
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self:enableChecksum()
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end
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if g_game.getFeature(GameAccountNames) then
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msg:addString(self.accountName)
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msg:addString(self.accountPassword)
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paddingBytes = paddingBytes - (4 + string.len(self.accountName) + string.len(self.accountPassword))
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else
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msg:addU32(tonumber(self.accountName))
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msg:addString(self.accountPassword)
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paddingBytes = paddingBytes - (6 + string.len(self.accountPassword))
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end
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msg:addPaddingBytes(paddingBytes, 0)
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msg:encryptRsa(128)
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self:send(msg)
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self:enableXteaEncryption()
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self:recv()
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end
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function ProtocolLogin:onConnect()
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self:sendLoginPacket()
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end
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function ProtocolLogin:onRecv(msg)
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while not msg:eof() do
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local opcode = msg:getU8()
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if opcode == LoginServerError then
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self:parseError(msg)
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elseif opcode == LoginServerMotd then
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self:parseMotd(msg)
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elseif opcode == LoginServerUpdateNeeded then
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signalcall(self.onError, self, tr("Client needs update. Verify your spr/dat/pic versions."))
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elseif opcode == LoginServerCharacterList then
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self:parseCharacterList(msg)
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elseif opcode == LoginServerExtendedCharacterList then
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self:parseExtendedCharacterList(msg)
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else
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self:parseOpcode(opcode, msg)
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end
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end
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self:disconnect()
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end
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function ProtocolLogin:parseError(msg)
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local errorMessage = msg:getString()
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signalcall(self.onError, self, errorMessage)
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end
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function ProtocolLogin:parseMotd(msg)
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local motd = msg:getString()
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signalcall(self.onMotd, self, motd)
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end
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function ProtocolLogin:parseCharacterList(msg)
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local characters = {}
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local charactersCount = msg:getU8()
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for i=1,charactersCount do
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local character = {}
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character.name = msg:getString()
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character.worldName = msg:getString()
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character.worldIp = iptostring(msg:getU32())
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character.worldPort = msg:getU16()
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characters[i] = character
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end
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local account = {}
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account.premDays = msg:getU16()
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signalcall(self.onCharacterList, self, characters, account)
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end
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function ProtocolLogin:parseExtendedCharacterList(msg)
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local characters = msg:getTable()
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local account = msg:getTable()
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signalcall(self.onCharacterList, self, characters, account)
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end
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function ProtocolLogin:parseOpcode(opcode, msg)
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signalcall(self.onOpcode, self, opcode, msg)
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end
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