ObjFW  Check-in [bc67e98833]

		if (_IPv6Socket == nil) {
			of_socket_address_t address =
			    of_socket_address_parse_ip(@"::", 0);

			_IPv6Socket = [[OFUDPSocket alloc] init];
			[_IPv6Socket of_bindToAddress: &address
					    extraType: SOCK_DNS];
			_IPv6Socket.blocking = false;
			_IPv6Socket.canBlock = false;
			_IPv6Socket.delegate = self;
		}

		sock = _IPv6Socket;
		break;
#endif
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
		if (_IPv4Socket == nil) {
			of_socket_address_t address =
			    of_socket_address_parse_ip(@"0.0.0.0", 0);

			_IPv4Socket = [[OFUDPSocket alloc] init];
			[_IPv4Socket of_bindToAddress: &address
					    extraType: SOCK_DNS];
			_IPv4Socket.blocking = false;
			_IPv4Socket.canBlock = false;
			_IPv4Socket.delegate = self;
		}

		sock = _IPv4Socket;
		break;
	default:
		@throw [OFInvalidArgumentException exception];

 *	    than one thread at the same time is not thread-safe, even if copy
 *	    was called to create one "instance" for every thread!
 */
@interface OFDatagramSocket: OFObject <OFCopying, OFReadyForReadingObserving,
    OFReadyForWritingObserving>
{
	of_socket_t _socket;
	bool _blocking;
	bool _canBlock;
#ifdef OF_WII
	bool _broadcastAllowed;
	bool _canSendToBroadcastAddresses;
#endif
	id <OFDatagramSocketDelegate> _Nullable _delegate;
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether the socket is in blocking mode.
 * @brief Whether the socket can block.
 *
 * By default, a socket is in blocking mode.
 * By default, a socket can block.
 */
@property (nonatomic, getter=isBlocking) bool blocking;
@property (nonatomic) bool canBlock;

/*!
 * @brief Whether the socket is allowed to send to broadcast addresses.
 * @brief Whether the socket can send to broadcast addresses.
 */
@property (nonatomic, getter=isBroadcastAllowed) bool broadcastAllowed;
@property (nonatomic) bool canSendToBroadcastAddresses;

/*!
 * @brief The delegate for asynchronous operations on the socket.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */

	@try {
		if (self.class == [OFDatagramSocket class]) {
			[self doesNotRecognizeSelector: _cmd];
			abort();
		}

		_socket = INVALID_SOCKET;
		_blocking = true;
		_canBlock = true;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

}

- (id)copy
{
	return [self retain];
}

- (bool)isBlocking
- (bool)canBlock
{
	return _blocking;
	return _canBlock;
}

- (void)setBlocking: (bool)enable
- (void)setCanBlock: (bool)canBlock
{
#if defined(HAVE_FCNTL)
	int flags = fcntl(_socket, F_GETFL, 0);

	if (flags == -1)
		@throw [OFSetOptionFailedException exceptionWithObject: self
								 errNo: errno];

	if (enable)
	if (canBlock)
		flags &= ~O_NONBLOCK;
	else
		flags |= O_NONBLOCK;

	if (fcntl(_socket, F_SETFL, flags) == -1)
		@throw [OFSetOptionFailedException exceptionWithObject: self
								 errNo: errno];

	_blocking = enable;
	_canBlock = canBlock;
#elif defined(OF_WINDOWS)
	u_long v = enable;
	u_long v = canBlock;

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	_blocking = enable;
	_canBlock = canBlock;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (void)setBroadcastAllowed: (bool)allowed
- (void)setCanSendToBroadcastAddresses: (bool)canSendToBroadcastAddresses
{
	int v = allowed;
	int v = canSendToBroadcastAddresses;

	if (setsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

#ifdef OF_WII
	_broadcastAllowed = allowed;
	_canSendToBroadcastAddresses = allowed;
#endif
}

- (bool)isBroadcastAllowed
- (bool)canSendToBroadcastAddresses
{
#ifndef OF_WII
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
#else
	return _broadcastAllowed;
	return _canSendToBroadcastAddresses;
#endif
}

- (size_t)receiveIntoBuffer: (void *)buffer
		     length: (size_t)length
		     sender: (of_socket_address_t *)sender
{

OF_SUBCLASSING_RESTRICTED
@interface OFHTTPClient: OFObject
{
#ifdef OF_HTTPCLIENT_M
@public
#endif
	OFObject <OFHTTPClientDelegate> *_Nullable _delegate;
	bool _insecureRedirectsAllowed, _inProgress;
	bool _allowsInsecureRedirects, _inProgress;
	OFTCPSocket *_Nullable _socket;
	OFURL *_Nullable _lastURL;
	bool _lastWasHEAD;
	OFHTTPResponse *_Nullable _lastResponse;
}

/*!
 * @brief The delegate of the HTTP request.
 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    OFObject <OFHTTPClientDelegate> *delegate;

/*!
 * @brief Whether redirects from HTTPS to HTTP will be allowed.
 * @brief Whether the HTTP client allows redirects from HTTPS to HTTP.
 */
@property (nonatomic) bool insecureRedirectsAllowed;
@property (nonatomic) bool allowsInsecureRedirects;

/*!
 * @brief Creates a new OFHTTPClient.
 *
 * @return A new, autoreleased OFHTTPClient
 */
+ (instancetype)client;

		if ([newURLScheme caseInsensitiveCompare: @"http"] !=
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"https"] !=
		    OF_ORDERED_SAME)
			follow = false;

		if (!_client->_insecureRedirectsAllowed &&
		if (!_client->_allowsInsecureRedirects &&
		    [URL.scheme caseInsensitiveCompare: @"https"] ==
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"http"] ==
		    OF_ORDERED_SAME)
			follow = false;

		if (follow && [_client->_delegate respondsToSelector: @selector(

	else
		return defaultShouldFollow(request.method, statusCode);
}
@end

@implementation OFHTTPClient
@synthesize delegate = _delegate;
@synthesize insecureRedirectsAllowed = _insecureRedirectsAllowed;
@synthesize allowsInsecureRedirects = _allowsInsecureRedirects;

+ (instancetype)client
{
	return [[[self alloc] init] autorelease];
}

- (void)dealloc

	[super dealloc];
}

- (void)didConnect
{
	if (_exception == nil)
		[_socket setBlocking: true];
		[_socket setCanBlock: true];

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL) {
		if ([_socket isKindOfClass: [OFTCPSocket class]])
			((of_tcp_socket_async_connect_block_t)_block)(
			    _exception);
# ifdef OF_HAVE_SCTP

	 * Additionally, on Wii, there is no getsockopt(), so it would not be
	 * possible to get the error (or success) after connecting anyway.
	 *
	 * So for now, connecting is blocking on Wii and 3DS.
	 *
	 * FIXME: Use a different thread as a work around.
	 */
	[_socket setBlocking: true];
	[_socket setCanBlock: true];
#else
	[_socket setBlocking: false];
	[_socket setCanBlock: false];
#endif

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket

			return;
#if !defined(OF_NINTENDO_3DS) && !defined(OF_WII)
		}
#endif
	}

#if defined(OF_NINTENDO_3DS) || defined(OF_WII)
	[_socket setBlocking: false];
	[_socket setCanBlock: false];
#endif

	[self didConnect];
}

- (void)resolver: (OFDNSResolver *)resolver
  didResolveHost: (OFString *)host

	    SOCK_DGRAM | SOCK_CLOEXEC, protocol)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithPort: port
			   packetType: packetType
			       socket: self
				errNo: of_socket_errno()];

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, &address.sockaddr.sockaddr, address.length) != 0) {

 */
@interface OFSCTPSocket: OFSequencedPacketSocket
{
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether sending packets can be delayed. Setting this to NO sets
 * @brief Whether SCTP_NODELAY is enabled for the connection
 *        SCTP_NODELAY on the socket.
 */
@property (nonatomic, getter=isNoDelayEnabled) bool noDelayEnabled;
@property (nonatomic) bool canDelaySendingPackets;

/*!
 * @brief The delegate for asynchronous operations on the socket.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */

	    SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_SCTP)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: of_socket_errno()];

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,

		@throw [OFBindFailedException exceptionWithHost: host
							   port: port
							 socket: self
							  errNo: EAFNOSUPPORT];
	}
}

- (void)setNoDelayEnabled: (bool)enabled
- (void)setCanDelaySendingPackets: (bool)canDelaySendingPackets
{
	int v = enabled;
	int v = !canDelaySendingPackets;

	if (setsockopt(_socket, IPPROTO_SCTP, SCTP_NODELAY,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];
}

- (bool)isNoDelayEnabled
- (bool)canDelaySendingPackets
{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, IPPROTO_SCTP, SCTP_NODELAY,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
	return !v;
}
@end

	if (![_socket of_createSocketForAddress: &address
					  errNo: &errNo]) {
		exception = [self of_connectionFailedExceptionForErrNo: errNo];
		goto inform_delegate;
	}

	_socket.blocking = false;
	_socket.canBlock = false;

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket
							  mode: runLoopMode
						      delegate: self];

- (void)of_socketDidConnect: (id)sock
		  exception: (id)exception
{
	id <OFSPXSocketDelegate> delegate = ((OFSPXSocket *)sock).delegate;

	if (exception == nil)
		((OFSPXSocket *)sock).blocking = true;
		((OFSPXSocket *)sock).canBlock = true;

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(exception);
	else {
#endif
		if ([delegate respondsToSelector:

	    SOCK_SEQPACKET | SOCK_CLOEXEC, NSPROTO_SPX)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithPort: port
			   packetType: SPX_PACKET_TYPE
			       socket: self
				errNo: of_socket_errno()];

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, &address.sockaddr.sockaddr, address.length) != 0) {

	if (![_socket of_createSocketForAddress: &address
					  errNo: &errNo]) {
		exception = [self of_connectionFailedExceptionForErrNo: errNo];
		goto inform_delegate;
	}

	_socket.blocking = false;
	_socket.canBlock = false;

	if (![_socket of_connectSocketToAddress: &address
					  errNo: &errNo]) {
		if (errNo == EINPROGRESS) {
			[OFRunLoop of_addAsyncConnectForSocket: _socket
							  mode: runLoopMode
						      delegate: self];

- (void)of_socketDidConnect: (id)sock
		  exception: (id)exception
{
	id <OFSPXStreamSocketDelegate> delegate =
	    ((OFSPXStreamSocket *)sock).delegate;

	if (exception == nil)
		((OFSPXStreamSocket *)sock).blocking = true;
		((OFSPXStreamSocket *)sock).canBlock = true;

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(exception);
	else {
#endif
		if ([delegate respondsToSelector:

	    SOCK_STREAM | SOCK_CLOEXEC, NSPROTO_SPX)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithPort: port
			   packetType: SPX_PACKET_TYPE
			       socket: self
				errNo: of_socket_errno()];

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, &address.sockaddr.sockaddr, address.length) != 0) {

 *	    than one thread at the same time is not thread-safe, even if copy
 *	    was called to create one "instance" for every thread!
 */
@interface OFSequencedPacketSocket: OFObject <OFCopying,
    OFReadyForReadingObserving, OFReadyForWritingObserving>
{
	of_socket_t _socket;
	bool _blocking, _listening;
	bool _canBlock, _listening;
	of_socket_address_t _remoteAddress;
	id _Nullable _delegate;
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether the socket is in blocking mode.
 * @brief Whether the socket can block.
 *
 * By default, a socket is in blocking mode.
 * By default, a socket can block.
 */
@property (nonatomic, getter=isBlocking) bool blocking;
@property (nonatomic) bool canBlock;

/*!
 * @brief Whether the socket is a listening socket.
 */
@property (readonly, nonatomic, getter=isListening) bool listening;

/*!

	@try {
		if (self.class == [OFSequencedPacketSocket class]) {
			[self doesNotRecognizeSelector: _cmd];
			abort();
		}

		_socket = INVALID_SOCKET;
		_blocking = true;
		_canBlock = true;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

#endif

- (id)copy
{
	return [self retain];
}

- (bool)isBlocking
- (bool)canBlock
{
	return _blocking;
	return _canBlock;
}

- (void)setBlocking: (bool)enable
- (void)setCanBlock: (bool)canBlock
{
#if defined(HAVE_FCNTL)
	int flags = fcntl(_socket, F_GETFL, 0);

	if (flags == -1)
		@throw [OFSetOptionFailedException exceptionWithObject: self
								 errNo: errno];

	if (enable)
	if (canBlock)
		flags &= ~O_NONBLOCK;
	else
		flags |= O_NONBLOCK;

	if (fcntl(_socket, F_SETFL, flags) == -1)
		@throw [OFSetOptionFailedException exceptionWithObject: self
								 errNo: errno];

	_blocking = enable;
	_canBlock = canBlock;
#elif defined(OF_WINDOWS)
	u_long v = enable;
	u_long v = canBlock;

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	_blocking = enable;
	_canBlock = canBlock;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (size_t)receiveIntoBuffer: (void *)buffer
		     length: (size_t)length

 *	 the methods that do the actual work. OFStream uses those for all other
 *	 methods and does all the caching and other stuff for you. If you
 *	 override these methods without the `lowlevel` prefix, you *will* break
 *	 caching and get broken results!
 */
@interface OFStream: OFObject <OFCopying>
{
	bool _blocking;
	bool _canBlock;
	id _Nullable _delegate;
#ifndef OF_SEEKABLE_STREAM_M
@private
#endif
	char *_Nullable _readBuffer, *_Nullable _readBufferMemory;
	char *_Nullable _writeBuffer;
	size_t _readBufferLength, _writeBufferLength;
	bool _writeBuffered, _waitingForDelimiter;
	bool _buffersWrites, _waitingForDelimiter;
	OF_RESERVE_IVARS(4)
}

/*!
 * @brief Whether the end of the stream has been reached.
 */
@property (readonly, nonatomic, getter=isAtEndOfStream) bool atEndOfStream;

/*!
 * @brief Whether writes are buffered.
 */
@property (nonatomic, nonatomic, getter=isWriteBuffered) bool writeBuffered;
@property (nonatomic, nonatomic) bool buffersWrites;

/*!
 * @brief Whether data is present in the internal read buffer.
 */
@property (readonly, nonatomic) bool hasDataInReadBuffer;

/*!
 * @brief Whether the stream is in blocking mode.
 * @brief Whether the stream can block.
 *
 * By default, a stream is in blocking mode.
 * By default, a stream can block.
 * On Win32, setting this currently only works for sockets!
 */
@property (nonatomic, getter=isBlocking) bool blocking;
@property (nonatomic) bool canBlock;

/*!
 * @brief The delegate for asynchronous operations on the stream.
 *
 * @note The delegate is retained for as long as asynchronous operations are
 *	 still ongoing.
 */

#import "OFWriteFailedException.h"

#import "of_asprintf.h"

#define MIN_READ_SIZE 512

@implementation OFStream
@synthesize buffersWrites = _buffersWrites;
@synthesize of_waitingForDelimiter = _waitingForDelimiter, delegate = _delegate;

#if defined(SIGPIPE) && defined(SIG_IGN)
+ (void)initialize
{
	if (self == [OFStream class])
		signal(SIGPIPE, SIG_IGN);
}
#endif

- (instancetype)init
{
	self = [super init];

	@try {
		if (self.class == [OFStream class]) {
			[self doesNotRecognizeSelector: _cmd];
			abort();
		}

		_blocking = true;
		_canBlock = true;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (OFString *)tryReadTillDelimiter: (OFString *)delimiter
{
	return [self tryReadTillDelimiter: delimiter
				 encoding: OF_STRING_ENCODING_UTF_8];
}

- (bool)isWriteBuffered
{
	return _writeBuffered;
}

- (void)setWriteBuffered: (bool)enable
{
	_writeBuffered = enable;
}

- (void)flushWriteBuffer
{
	if (_writeBuffer == NULL)
		return;

	[self lowlevelWriteBuffer: _writeBuffer
			   length: _writeBufferLength];

	[self freeMemory: _writeBuffer];
	_writeBuffer = NULL;
	_writeBufferLength = 0;
}

- (size_t)writeBuffer: (const void *)buffer
	       length: (size_t)length
{
	if (!_writeBuffered) {
	if (!_buffersWrites) {
		size_t bytesWritten = [self lowlevelWriteBuffer: buffer
							 length: length];

		if (_blocking && bytesWritten < length)
		if (_canBlock && bytesWritten < length)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: length
				   bytesWritten: bytesWritten
					  errNo: 0];

		return bytesWritten;

}

- (bool)hasDataInReadBuffer
{
	return (_readBufferLength > 0);
}

- (bool)isBlocking
- (bool)canBlock
{
	return _blocking;
	return _canBlock;
}

- (void)setBlocking: (bool)enable
- (void)setCanBlock: (bool)canBlock
{
#if defined(HAVE_FCNTL) && !defined(OF_AMIGAOS)
	bool readImplemented = false, writeImplemented = false;

	@try {
		int readFlags;

		readFlags = fcntl(((id <OFReadyForReadingObserving>)self)
		    .fileDescriptorForReading, F_GETFL, 0);

		readImplemented = true;

		if (readFlags == -1)
			@throw [OFSetOptionFailedException
			    exceptionWithObject: self
					  errNo: errno];

		if (enable)
		if (canBlock)
			readFlags &= ~O_NONBLOCK;
		else
			readFlags |= O_NONBLOCK;

		if (fcntl(((id <OFReadyForReadingObserving>)self)
		    .fileDescriptorForReading, F_SETFL, readFlags) == -1)
			@throw [OFSetOptionFailedException

		writeImplemented = true;

		if (writeFlags == -1)
			@throw [OFSetOptionFailedException
			    exceptionWithObject: self
					  errNo: errno];

		if (enable)
		if (canBlock)
			writeFlags &= ~O_NONBLOCK;
		else
			writeFlags |= O_NONBLOCK;

		if (fcntl(((id <OFReadyForWritingObserving>)self)
		    .fileDescriptorForWriting, F_SETFL, writeFlags) == -1)
			@throw [OFSetOptionFailedException
			    exceptionWithObject: self
					  errNo: errno];
	} @catch (OFNotImplementedException *e) {
	}

	if (!readImplemented && !writeImplemented)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];

	_blocking = enable;
	_canBlock = canBlock;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (int)fileDescriptorForReading
{

	[self freeMemory: _readBufferMemory];
	_readBuffer = _readBufferMemory = NULL;
	_readBufferLength = 0;

	[self freeMemory: _writeBuffer];
	_writeBuffer = NULL;
	_writeBufferLength = 0;
	_writeBuffered = false;
	_buffersWrites = false;

	_waitingForDelimiter = false;
}
@end

				  errNo: of_socket_errno()];
#endif

	return (size_t)bytesWritten;
}

#if defined(OF_WINDOWS) || defined(OF_AMIGAOS)
- (void)setBlocking: (bool)enable
- (void)setCanBlock: (bool)canBlock
{
# ifdef OF_WINDOWS
	u_long v = enable;
	u_long v = canBlock;
# else
	char v = enable;
	char v = canBlock;
# endif

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	_blocking = enable;
	_canBlock = canBlock;
}
#endif

- (int)fileDescriptorForReading
{
#ifndef OF_WINDOWS
	return _socket;

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, nullable, copy, nonatomic) OFString *SOCKS5Host;
@property (class, nonatomic) uint16_t SOCKS5Port;
#endif

#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
/*!
 * @brief Whether keep alives are enabled for the connection.
 * @brief Whether the socket sends keep alives for the connection.
 *
 * @warning This is not available on the Wii or Nintendo 3DS!
 */
@property (nonatomic, getter=isKeepAliveEnabled) bool keepAliveEnabled;
@property (nonatomic) bool sendsKeepAlives;
#endif

#ifndef OF_WII
/*!
 * @brief Whether TCP_NODELAY is enabled for the connection
 * @brief Whether sending segments can be delayed. Setting this to NO sets
 *        TCP_NODELAY on the socket.
 *
 * @warning This is not available on the Wii!
 */
@property (nonatomic, getter=isNoDelayEnabled) bool noDelayEnabled;
@property (nonatomic) bool canDelaySendingSegments;
#endif

/*!
 * @brief The host to use as a SOCKS5 proxy.
 */
@property OF_NULLABLE_PROPERTY (copy, nonatomic) OFString *SOCKS5Host;

	    SOCK_STREAM | SOCK_CLOEXEC, 0)) == INVALID_SOCKET)
		@throw [OFBindFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: of_socket_errno()];

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,

						   port: port
						 socket: self
						  errNo: EADDRNOTAVAIL];
#endif
}

#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
- (void)setKeepAliveEnabled: (bool)enabled
- (void)setSendsKeepAlives: (bool)sendsKeepAlives
{
	int v = enabled;
	int v = sendsKeepAlives;

	if (setsockopt(_socket, SOL_SOCKET, SO_KEEPALIVE,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];
}

- (bool)isKeepAliveEnabled
- (bool)sendsKeepAlives
{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, SOL_SOCKET, SO_KEEPALIVE,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
}
#endif

#ifndef OF_WII
- (void)setNoDelayEnabled: (bool)enabled
- (void)setCanDelaySendingSegments: (bool)canDelaySendingSegments
{
	int v = enabled;
	int v = !canDelaySendingSegments;

	if (setsockopt(_socket, IPPROTO_TCP, TCP_NODELAY,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];
}

- (bool)isNoDelayEnabled
- (bool)canDelaySendingSegments
{
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, IPPROTO_TCP, TCP_NODELAY,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: of_socket_errno()];

	return v;
	return !v;
}
#endif

- (void)close
{
#ifdef OF_WII
	_port = 0;
#endif

	[super close];
}
@end

	[_request release];

	[super dealloc];
}

- (void)didConnect
{
	if (_exception == nil)
		_socket.blocking = true;

	_socket.delegate = _delegate;

#ifdef OF_HAVE_BLOCKS
	if (_block != NULL)
		_block(_exception);
	else {
#endif

 * @warning You have to ensure that this is in secure memory protected from
 *	    swapping! This is also the reason why this is not an OFString.
 */
@property OF_NULLABLE_PROPERTY (assign, nonatomic)
    const char *privateKeyPassphrase;

/*!
 * @brief Whether certificate verification is enabled.
 * @brief Whether certificates are verified.
 *
 * The default is enabled.
 */
@property (nonatomic, getter=isCertificateVerificationEnabled)
@property (nonatomic) bool verifiesCertificates;
    bool certificateVerificationEnabled;

/*!
 * @brief Initializes the TLS socket with the specified TCP socket as its
 *	  underlying socket.
 *
 * @param socket The TCP socket to use as underlying socket
 */

	if (_toWrite > 0)
		@throw [OFTruncatedDataException exception];

	remainder = 512 - _entry.size % 512;

	if (remainder != 512) {
		bool wasWriteBuffered = _stream.writeBuffered;
		bool didBufferWrites = _stream.buffersWrites;

		[_stream setWriteBuffered: true];
		_stream.buffersWrites = true;

		while (remainder--)
			[_stream writeInt8: 0];

		[_stream flushWriteBuffer];
		_stream.writeBuffered = wasWriteBuffered;
		_stream.buffersWrites = didBufferWrites;
	}

	[_stream release];
	_stream = nil;

	[super close];
}
@end

		@throw [OFBindFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: of_socket_errno()];
	}

	_blocking = true;
	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	/* {} needed to avoid warning with Clang 10 if next #if is false. */
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1) {
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
	}
#endif

		    @"%[prog]: Cannot use -o / --output when more than one URL "
		    @"has been specified!",
		    @"prog", [OFApplication programName])];
		[OFApplication terminateWithStatus: 1];
	}

	if (_insecure)
		_HTTPClient.insecureRedirectsAllowed = true;
		_HTTPClient.allowsInsecureRedirects = true;

	[self performSelector: @selector(downloadNextURL)
		   afterDelay: 0];
}

-    (void)client: (OFHTTPClient *)client
  didCreateSocket: (OFTCPSocket *)sock
	  request: (OFHTTPRequest *)request
{
	if (_insecure && [sock respondsToSelector:
	    @selector(setCertificateVerificationEnabled:)])
		((id <OFTLSSocket>)sock).certificateVerificationEnabled = false;
	    @selector(setVerifiesCertificates:)])
		((id <OFTLSSocket>)sock).verifiesCertificates = false;
}

-     (void)client: (OFHTTPClient *)client
  wantsRequestBody: (OFStream *)body
	   request: (OFHTTPRequest *)request
{
	/* TODO: Do asynchronously and print status */