ObjFW  Diff

		_exception = [exception retain];
		[self didConnect];
		return;
	}

	data = [OFData dataWithItems: "\x05\x01\x00" count: 3];

	_SOCKS5State = OF_SOCKS5_STATE_SEND_AUTHENTICATION;
	[_socket asyncWriteData: data
		    runLoopMode: [OFRunLoop currentRunLoop].currentMode];
}

-      (bool)stream: (OFStream *)sock
  didReadIntoBuffer: (void *)buffer
	     length: (size_t)length

		[self didConnect];
		return false;
	}

	runLoopMode = [OFRunLoop currentRunLoop].currentMode;

	switch (_SOCKS5State) {
	case OF_SOCKS5_STATE_READ_VERSION:
		SOCKSVersion = buffer;

		if (SOCKSVersion[0] != 5 || SOCKSVersion[1] != 0) {
			_exception = [[OFConnectionFailedException alloc]
			    initWithHost: _host
				    port: _port
				  socket: self

		[_request addItem: &hostLength];
		[_request addItems: _host.UTF8String count: hostLength];

		port[0] = _port >> 8;
		port[1] = _port & 0xFF;
		[_request addItems: port count: 2];

		_SOCKS5State = OF_SOCKS5_STATE_SEND_REQUEST;
		[_socket asyncWriteData: _request runLoopMode: runLoopMode];
		return false;
	case OF_SOCKS5_STATE_READ_RESPONSE:
		response = buffer;

		if (response[0] != 5 || response[2] != 0) {
			_exception = [[OFConnectionFailedException alloc]
			    initWithHost: _host
				    port: _port
				  socket: self

			[self didConnect];
			return false;
		}

		/* Skip the rest of the response */
		switch (response[3]) {
		case 1: /* IPv4 */
			_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
			[_socket asyncReadIntoBuffer: _buffer
					 exactLength: 4 + 2
					 runLoopMode: runLoopMode];
			return false;
		case 3: /* Domain name */
			_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS_LENGTH;
			[_socket asyncReadIntoBuffer: _buffer
					 exactLength: 1
					 runLoopMode: runLoopMode];
			return false;
		case 4: /* IPv6 */
			_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
			[_socket asyncReadIntoBuffer: _buffer
					 exactLength: 16 + 2
					 runLoopMode: runLoopMode];
			return false;
		default:
			_exception = [[OFConnectionFailedException alloc]
			    initWithHost: _host
				    port: _port
				  socket: self
				   errNo: EPROTONOSUPPORT];
			[self didConnect];
			return false;
		}

		return false;
	case OF_SOCKS5_STATE_READ_ADDRESS:
		[self didConnect];
		return false;
	case OF_SOCKS5_STATE_READ_ADDRESS_LENGTH:
		addressLength = buffer;

		_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
		[_socket asyncReadIntoBuffer: _buffer
				 exactLength: addressLength[0] + 2
				 runLoopMode: runLoopMode];
		return false;
	default:
		assert(0);
		return false;

		[self didConnect];
		return nil;
	}

	runLoopMode = [OFRunLoop currentRunLoop].currentMode;

	switch (_SOCKS5State) {
	case OF_SOCKS5_STATE_SEND_AUTHENTICATION:
		_SOCKS5State = OF_SOCKS5_STATE_READ_VERSION;
		[_socket asyncReadIntoBuffer: _buffer
				 exactLength: 2
				 runLoopMode: runLoopMode];
		return nil;
	case OF_SOCKS5_STATE_SEND_REQUEST:
		[_request release];
		_request = nil;

		_SOCKS5State = OF_SOCKS5_STATE_READ_RESPONSE;
		[_socket asyncReadIntoBuffer: _buffer
				 exactLength: 4
				 runLoopMode: runLoopMode];
		return nil;
	default:
		assert(0);
		return nil;
	}
}
@end