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on more systems. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@36828 72102866-910b-0410-8b05-ffd578937521
121 lines
2.8 KiB
Objective-C
121 lines
2.8 KiB
Objective-C
/*
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* Parsers of SOCKS protocol messages
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* Written by Marat Ibadinov <ibadinov@me.com>
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* Date: 2013
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*
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* This file is part of the GNUstep Base Library.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110 USA.
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*
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* $Date$ $Revision$
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*/
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#import "GSSocksParser.h"
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#import "GSSocks4Parser.h"
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#import "GSSocks5Parser.h"
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#import "Foundation/NSException.h"
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@interface NSObject (SubclassResponsibility)
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- (id) subclassResponsibility: (SEL)aSelector;
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@end
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@implementation GSSocksParser
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- (id) init
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{
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if (nil != (self = [super init]))
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{
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configuration = nil;
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address = nil;
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delegate = nil;
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port = 0;
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}
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return self;
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}
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- (id) initWithConfiguration: (NSDictionary *)aConfiguration
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address: (NSString *)anAddress
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port: (NSUInteger)aPort
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{
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NSString *version;
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Class concreteClass;
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version = [aConfiguration objectForKey: NSStreamSOCKSProxyVersionKey];
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version = version ? version : NSStreamSOCKSProxyVersion5;
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[self release];
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if ([version isEqualToString: NSStreamSOCKSProxyVersion5])
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{
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concreteClass = [GSSocks5Parser class];
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}
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else if ([version isEqualToString: NSStreamSOCKSProxyVersion4])
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{
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concreteClass = [GSSocks4Parser class];
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}
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else
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{
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[NSException raise: NSInternalInconsistencyException
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format: @"Unsupported socks verion: %@", version];
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}
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return [[concreteClass alloc] initWithConfiguration: aConfiguration
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address: anAddress
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port: aPort];
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}
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- (void) dealloc
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{
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[delegate release];
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[address release];
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[configuration release];
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[super dealloc];
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}
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- (id<GSSocksParserDelegate>) delegate
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{
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return delegate;
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}
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- (void) setDelegate: (id<GSSocksParserDelegate>)aDelegate
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{
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id previous = delegate;
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delegate = [aDelegate retain];
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[previous release];
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}
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- (NSString *) address
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{
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return address;
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}
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- (NSUInteger) port
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{
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return port;
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}
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- (void) start
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{
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[self subclassResponsibility:_cmd];
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}
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- (void) parseNextChunk: (NSData *)aChunk
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{
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[self subclassResponsibility: _cmd];
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}
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@end
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