ObjOpenSSL  Diff

{
	return [self initWithSocket: socket
		     privateKeyFile: nil
		    certificateFile: nil];
}

-  initWithSocket: (OFTCPSocket*)socket
   privateKeyFile: (OFString*)privateKeyFile
  certificateFile: (OFString*)certificateFile
{
	self = [self init];

	@try {
		/* FIXME: Also allow with accepted sockets */

		_privateKeyFile = [privateKeyFile copy];
		_certificateFile = [certificateFile copy];

		_socket = dup(socket->_socket);

		if ((_SSL = SSL_new(ctx)) == NULL ||
		    !SSL_set_fd(_SSL, _socket)) {
			close(_socket);
			_socket = INVALID_SOCKET;
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
		}

		SSL_set_connect_state(_SSL);

		if ((_privateKeyFile != nil && !SSL_use_PrivateKey_file(_SSL,
		    [_privateKeyFile cStringWithEncoding:
		    OF_STRING_ENCODING_NATIVE], SSL_FILETYPE_PEM)) ||
		    (_certificateFile != nil && !SSL_use_certificate_file(_SSL,
		    [_certificateFile cStringWithEncoding:
		    OF_STRING_ENCODING_NATIVE], SSL_FILETYPE_PEM)) ||
		    SSL_connect(_SSL) != 1) {
			close(_socket);
			_socket = INVALID_SOCKET;
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
		}
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	SSL *SSL_ = _SSL;

	[_privateKeyFile release];
	[_certificateFile release];

	[super dealloc];

	if (SSL_ != NULL)
		SSL_free(SSL_);
}

- (void)connectToHost: (OFString*)host
		 port: (uint16_t)port
{
	[super connectToHost: host
			port: port];

	if ((_SSL = SSL_new(ctx)) == NULL || !SSL_set_fd(_SSL, _socket)) {
		[super close];
		@throw [OFConnectionFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host
				  port: port];
	}

	SSL_set_connect_state(_SSL);

	if ((_privateKeyFile != nil && !SSL_use_PrivateKey_file(_SSL,
	    [_privateKeyFile cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM)) || (_certificateFile != nil &&
	    !SSL_use_certificate_file(_SSL, [_certificateFile
	    cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM)) || SSL_connect(_SSL) != 1) {
		[super close];
		@throw [OFConnectionFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host
				  port: port];
	}
}

- (SSLSocket*)accept
{
	SSLSocket *client = (SSLSocket*)[super accept];

	if ((client->_SSL = SSL_new(ctx)) == NULL ||
	    !SSL_set_fd(client->_SSL, client->_socket)) {
		/* We only want to close the OFTCPSocket */
		object_setClass(client, [OFTCPSocket class]);
		[client close];
		object_setClass(client, object_getClass(self));

		@throw [OFAcceptFailedException exceptionWithClass: [self class]
							    socket: self];
	}

	if (_requestsClientCertificates)
		SSL_set_verify(client->_SSL, SSL_VERIFY_PEER, NULL);

	SSL_set_accept_state(client->_SSL);

	if (!SSL_use_PrivateKey_file(client->_SSL, [_privateKeyFile
	    cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM) || !SSL_use_certificate_file(client->_SSL,
	    [_certificateFile cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM) || SSL_accept(client->_SSL) != 1) {
		/* We only want to close the OFTCPSocket */
		object_setClass(client, [OFTCPSocket class]);
		[client close];
		object_setClass(client, object_getClass(self));

		@throw [OFAcceptFailedException exceptionWithClass: [self class]
							    socket: self];
	}

	return client;
}

- (void)close
{
	if (_SSL != NULL)
		SSL_shutdown(_SSL);

	[super close];
}

- (size_t)lowlevelReadIntoBuffer: (void*)buffer
			  length: (size_t)length
{
	ssize_t ret;

	if (length > INT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	if (_socket == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
							    socket: self];

	if (_atEndOfStream) {
		OFReadFailedException *e;

		e = [OFReadFailedException exceptionWithClass: [self class]
						       stream: self
					      requestedLength: length];
#ifndef _WIN32
		e->_errNo = ENOTCONN;
#else
		e->_errNo = WSAENOTCONN;
#endif

		@throw e;
	}

	if ((ret = SSL_read(_SSL, buffer, (int)length)) < 0) {
		if (SSL_get_error(_SSL, ret) ==  SSL_ERROR_WANT_READ)
			return 0;

		@throw [OFReadFailedException exceptionWithClass: [self class]
							  stream: self
						 requestedLength: length];
	}

	if (ret == 0)
		_atEndOfStream = YES;

	return ret;
}

- (void)lowlevelWriteBuffer: (const void*)buffer
		     length: (size_t)length
{
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	if (_socket == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
							    socket: self];

	if (_atEndOfStream) {
		OFWriteFailedException *e;

		e = [OFWriteFailedException exceptionWithClass: [self class]
							stream: self
					       requestedLength: length];

#ifndef _WIN32
		e->_errNo = ENOTCONN;
#else
		e->_errNo = WSAENOTCONN;
#endif

		@throw e;
	}

	if (SSL_write(_SSL, buffer, (int)length) < length)
		@throw [OFWriteFailedException exceptionWithClass: [self class]
							   stream: self
						  requestedLength: length];
}

- (size_t)pendingBytes
{
	if (_SSL == NULL)
		return [super pendingBytes];

	return [super pendingBytes] + SSL_pending(_SSL);
}

- (void)setPrivateKeyFile: (OFString*)privateKeyFile
{
	OF_SETTER(_privateKeyFile, privateKeyFile, YES, YES)
}

- (OFString*)privateKeyFile
{
	OF_GETTER(_privateKeyFile, YES)
}

- (void)setCertificateFile: (OFString*)certificateFile
{
	OF_SETTER(_certificateFile, certificateFile, YES, YES)
}

- (OFString*)certificateFile
{
	OF_GETTER(_certificateFile, YES)
}

- (void)setRequestsClientCertificates: (BOOL)enabled
{
	_requestsClientCertificates = enabled;
}

- (BOOL)requestsClientCertificates
{
	return _requestsClientCertificates;
}

- (OFDataArray*)channelBindingDataWithType: (OFString*)type
{
	size_t length;
	char buffer[64];
	OFDataArray *data;

	if (![type isEqual: @"tls-unique"])
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

	if (SSL_session_reused(_SSL) ^ !_listening) {
		/*
		 * We are either client or the session has been resumed
		 * => we have sent the finished message
		 */
		length = SSL_get_finished(_SSL, buffer, 64);
	} else {
		/* peer sent the finished message */
		length = SSL_get_peer_finished(_SSL, buffer, 64);
	}

	data = [OFDataArray dataArray];
	[data addItems: buffer
		 count: length];

	return data;
}

- (X509Certificate*)peerCertificate
{
	X509 *certificate = SSL_get_peer_certificate(_SSL);

	if (!certificate)
		return nil;

	return [[[X509Certificate alloc]
	    initWithX509Struct: certificate] autorelease];
}

- (void)verifyPeerCertificate
{
	unsigned long ret;

	if (SSL_get_peer_certificate(_SSL) != NULL) {
		if ((ret = SSL_get_verify_result(_SSL)) != X509_V_OK) {
			const char *tmp = X509_verify_cert_error_string(ret);
			OFString *reason = [OFString stringWithUTF8String: tmp];
			@throw [SSLInvalidCertificateException
			    exceptionWithClass: [self class]
					reason: reason];
		}
	} else
		@throw [SSLInvalidCertificateException
		    exceptionWithClass: [self class]
				reason: @"No certificate"];
}
@end