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_exception = [exception retain];
[self didConnect];
return;
}
data = [OFData dataWithItems: "\x05\x01\x00" count: 3];
_SOCKS5State = OF_SOCKS5_STATE_SEND_AUTHENTICATION;
_SOCKS5State = OFSOCKS5StateSendAuthentication;
[_socket asyncWriteData: data
runLoopMode: [OFRunLoop currentRunLoop].currentMode];
}
- (bool)stream: (OFStream *)sock
didReadIntoBuffer: (void *)buffer
length: (size_t)length
|
| ︙ | | |
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[self didConnect];
return false;
}
runLoopMode = [OFRunLoop currentRunLoop].currentMode;
switch (_SOCKS5State) {
case OF_SOCKS5_STATE_READ_VERSION:
case OFSOCKS5StateReadVersion:
SOCKSVersion = buffer;
if (SOCKSVersion[0] != 5 || SOCKSVersion[1] != 0) {
_exception = [[OFConnectionFailedException alloc]
initWithHost: _host
port: _port
socket: self
|
| ︙ | | |
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|
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+
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+
|
[_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;
_SOCKS5State = OFSOCKS5StateSendRequest;
[_socket asyncWriteData: _request runLoopMode: runLoopMode];
return false;
case OF_SOCKS5_STATE_READ_RESPONSE:
case OFSOCKS5StateReadResponse:
response = buffer;
if (response[0] != 5 || response[2] != 0) {
_exception = [[OFConnectionFailedException alloc]
initWithHost: _host
port: _port
socket: self
|
| ︙ | | |
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|
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261
262
263
|
-
+
-
+
-
+
-
+
-
+
-
+
|
[self didConnect];
return false;
}
/* Skip the rest of the response */
switch (response[3]) {
case 1: /* IPv4 */
_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
_SOCKS5State = OFSOCKS5StateReadAddress;
[_socket asyncReadIntoBuffer: _buffer
exactLength: 4 + 2
runLoopMode: runLoopMode];
return false;
case 3: /* Domain name */
_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS_LENGTH;
_SOCKS5State = OFSOCKS5StateReadAddressLength;
[_socket asyncReadIntoBuffer: _buffer
exactLength: 1
runLoopMode: runLoopMode];
return false;
case 4: /* IPv6 */
_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
_SOCKS5State = OFSOCKS5StateReadAddress;
[_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:
case OFSOCKS5StateReadAddress:
[self didConnect];
return false;
case OF_SOCKS5_STATE_READ_ADDRESS_LENGTH:
case OFSOCKS5StateReadAddressLength:
addressLength = buffer;
_SOCKS5State = OF_SOCKS5_STATE_READ_ADDRESS;
_SOCKS5State = OFSOCKS5StateReadAddress;
[_socket asyncReadIntoBuffer: _buffer
exactLength: addressLength[0] + 2
runLoopMode: runLoopMode];
return false;
default:
assert(0);
return false;
|
| ︙ | | |
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|
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295
296
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298
299
300
301
302
303
|
-
-
+
+
-
+
-
+
|
[self didConnect];
return nil;
}
runLoopMode = [OFRunLoop currentRunLoop].currentMode;
switch (_SOCKS5State) {
case OF_SOCKS5_STATE_SEND_AUTHENTICATION:
_SOCKS5State = OF_SOCKS5_STATE_READ_VERSION;
case OFSOCKS5StateSendAuthentication:
_SOCKS5State = OFSOCKS5StateReadVersion;
[_socket asyncReadIntoBuffer: _buffer
exactLength: 2
runLoopMode: runLoopMode];
return nil;
case OF_SOCKS5_STATE_SEND_REQUEST:
case OFSOCKS5StateSendRequest:
[_request release];
_request = nil;
_SOCKS5State = OF_SOCKS5_STATE_READ_RESPONSE;
_SOCKS5State = OFSOCKS5StateReadResponse;
[_socket asyncReadIntoBuffer: _buffer
exactLength: 4
runLoopMode: runLoopMode];
return nil;
default:
assert(0);
return nil;
}
}
@end
|