author | unc0rr |
Mon, 10 Nov 2014 21:57:44 +0300 | |
changeset 10485 | 05b771423b95 |
parent 10460 | 8dcea9087d75 |
child 11046 | 47a8c19ecb60 |
permissions | -rw-r--r-- |
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1 |
{- |
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* Hedgewars, a free turn based strategy game |
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3 |
* Copyright (c) 2004-2014 Andrey Korotaev <unC0Rr@gmail.com> |
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4 |
* |
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5 |
* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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8 |
* |
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9 |
* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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14 |
* You should have received a copy of the GNU General Public License |
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15 |
* along with this program; if not, write to the Free Software |
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16 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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\-} |
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{-# LANGUAGE OverloadedStrings, CPP #-} |
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module HWProtoNEState where |
21 |
||
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import Control.Monad.Reader |
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import qualified Data.ByteString.Lazy as BL |
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import qualified Data.ByteString.Char8 as B |
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import Data.Digest.Pure.SHA |
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-------------------------------------- |
27 |
import CoreTypes |
|
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import Utils |
|
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import RoomsAndClients |
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import HandlerUtils |
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handleCmd_NotEntered :: CmdHandler |
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|
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handleCmd_NotEntered ["NICK", newNick] = do |
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(ci, irnc) <- ask |
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let cl = irnc `client` ci |
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if not . B.null $ nick cl then return [ProtocolError $ loc "Nickname already chosen"] |
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else |
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if illegalName newNick then return [ByeClient $ loc "Illegal nickname"] |
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40 |
else |
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return $ |
42 |
ModifyClient (\c -> c{nick = newNick}) : |
|
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AnswerClients [sendChan cl] ["NICK", newNick] : |
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[CheckRegistered | clientProto cl /= 0] |
|
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45 |
|
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handleCmd_NotEntered ["PROTO", protoNum] = do |
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(ci, irnc) <- ask |
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let cl = irnc `client` ci |
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if clientProto cl > 0 then return [ProtocolError $ loc "Protocol already known"] |
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else |
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if parsedProto == 0 then return [ProtocolError $ loc "Bad number"] |
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else |
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return $ |
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ModifyClient (\c -> c{clientProto = parsedProto}) : |
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AnswerClients [sendChan cl] ["PROTO", showB parsedProto] : |
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[CheckRegistered | not . B.null $ nick cl] |
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where |
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parsedProto = readInt_ protoNum |
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|
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|
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handleCmd_NotEntered ["PASSWORD", passwd] = do |
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(ci, irnc) <- ask |
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let cl = irnc `client` ci |
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if clientProto cl < 48 && passwd == webPassword cl then |
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return $ JoinLobby : [AnswerClients [sendChan cl] ["ADMIN_ACCESS"] | isAdministrator cl] |
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else |
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return [ByeClient "Authentication failed"] |
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handleCmd_NotEntered ["PASSWORD", passwd, clientSalt] = do |
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(ci, irnc) <- ask |
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let cl = irnc `client` ci |
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let clientHash = h [clientSalt, serverSalt cl, webPassword cl, showB $ clientProto cl, "!hedgewars"] |
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let serverHash = h [serverSalt cl, clientSalt, webPassword cl, showB $ clientProto cl, "!hedgewars"] |
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||
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if passwd == clientHash then |
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return [ |
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AnswerClients [sendChan cl] ["SERVER_AUTH", serverHash] |
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, JoinLobby |
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] |
|
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else |
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return [ByeClient "Authentication failed"] |
|
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where |
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h = B.pack . showDigest . sha1 . BL.fromChunks |
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#if defined(OFFICIAL_SERVER) |
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handleCmd_NotEntered ["CHECKER", protoNum, newNick, password] = do |
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(ci, irnc) <- ask |
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let cl = irnc `client` ci |
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if parsedProto == 0 then return [ProtocolError $ loc "Bad number"] |
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else |
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return $ [ |
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ModifyClient (\c -> c{clientProto = parsedProto, nick = newNick, webPassword = password, isChecker = True}) |
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, CheckRegistered] |
|
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where |
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parsedProto = readInt_ protoNum |
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#endif |
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handleCmd_NotEntered _ = return [ProtocolError "Incorrect command (state: not entered)"] |