ObjFW  Diff

- (void)connectToHost: (OFString*)host
		 port: (uint16_t)port
{
	OFString *destinationHost = host;
	uint16_t destinationPort = port;

	if (sock != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException
		    exceptionWithClass: [self class]
				socket: self];

	if (SOCKS5Host != nil) {
		/* Connect to the SOCKS5 proxy instead */
		host = SOCKS5Host;
		port = SOCKS5Port;
	}

#ifdef HAVE_THREADSAFE_GETADDRINFO
	struct addrinfo hints, *res, *res0;
	char portCString[7];

	memset(&hints, 0, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	snprintf(portCString, 7, "%" PRIu16, port);

	if (getaddrinfo([host cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    portCString, &hints, &res0))
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host];

	for (res = res0; res != NULL; res = res->ai_next) {
		if ((sock = socket(res->ai_family, res->ai_socktype,
		    res->ai_protocol)) == INVALID_SOCKET)
			continue;

	if ((he = gethostbyname([host cStringWithEncoding:
	    OF_STRING_ENCODING_NATIVE])) == NULL) {
# ifdef OF_THREADS
		[addrlist release];
		[mutex unlock];
# endif
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host];
	}

	memset(&addr, 0, sizeof(addr));
	addr.sin_family = AF_INET;
	addr.sin_port = of_bswap16_if_le(port);

	if (he->h_addrtype != AF_INET ||
	    (sock = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
# ifdef OF_THREADS
		[addrlist release];
		[mutex unlock];
# endif
		@throw [OFConnectionFailedException
		    exceptionWithClass: [self class]
				socket: self
								  host: host
								  port: port];
	}

# ifdef OF_THREADS
	@try {
		for (ip = he->h_addr_list; *ip != NULL; ip++)

	if (!connected) {
		close(sock);
		sock = INVALID_SOCKET;
	}
#endif

	if (sock == INVALID_SOCKET)
		@throw [OFConnectionFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host
				  port: port];

	if (SOCKS5Host != nil)
		[self _SOCKS5ConnectToHost: destinationHost
				      port: destinationPort];
}

- (uint16_t)bindToHost: (OFString*)host
		  port: (uint16_t)port
{
	union {
		struct sockaddr_storage storage;
		struct sockaddr_in in;
		struct sockaddr_in6 in6;
	} addr;
	socklen_t addrLen;

	if (sock != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException
		    exceptionWithClass: [self class]
				socket: self];

	if (SOCKS5Host != nil)
		@throw [OFNotImplementedException
		    exceptionWithClass: [self class]
			      selector: _cmd];

#ifdef HAVE_THREADSAFE_GETADDRINFO
	struct addrinfo hints, *res;
	char portCString[7];

	memset(&hints, 0, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	snprintf(portCString, 7, "%" PRIu16, port);

	if (getaddrinfo([host cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    portCString, &hints, &res))
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host];

	if ((sock = socket(res->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];

	if (bind(sock, res->ai_addr, res->ai_addrlen) == -1) {
		freeaddrinfo(res);
		close(sock);
		sock = INVALID_SOCKET;
		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];
	}

	freeaddrinfo(res);
#else
	struct hostent *he;

# ifdef OF_THREADS
	[mutex lock];
# endif

	if ((he = gethostbyname([host cStringWithEncoding:
	    OF_STRING_ENCODING_NATIVE])) == NULL) {
# ifdef OF_THREADS
		[mutex unlock];
# endif
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host];
	}

	memset(&addr, 0, sizeof(addr));
	addr.in.sin_family = AF_INET;
	addr.in.sin_port = of_bswap16_if_le(port);

	if (he->h_addrtype != AF_INET || he->h_addr_list[0] == NULL) {
# ifdef OF_THREADS
		[mutex unlock];
# endif
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host];
	}

	memcpy(&addr.in.sin_addr.s_addr, he->h_addr_list[0], he->h_length);

# ifdef OF_THREADS
	[mutex unlock];
# endif
	if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];

	if (bind(sock, (struct sockaddr*)&addr.in, sizeof(addr.in)) == -1) {
		close(sock);
		sock = INVALID_SOCKET;
		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];
	}
#endif

	if (port > 0)
		return port;

	addrLen = sizeof(addr.storage);
	if (getsockname(sock, (struct sockaddr*)&addr, &addrLen)) {
		close(sock);
		sock = INVALID_SOCKET;
		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];
	}

	if (addr.storage.ss_family == AF_INET)
		return of_bswap16_if_le(addr.in.sin_port);
	if (addr.storage.ss_family == AF_INET6)
		return of_bswap16_if_le(addr.in6.sin6_port);

	close(sock);
	sock = INVALID_SOCKET;
	@throw [OFBindFailedException exceptionWithClass: [self class]
						  socket: self
						    host: host
						    port: port];
}

- (void)listenWithBackLog: (int)backLog
{
	if (sock == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
							    socket: self];

	if (listen(sock, backLog) == -1)
		@throw [OFListenFailedException exceptionWithClass: [self class]
							    socket: self
							   backLog: backLog];

	listening = YES;
}

- (void)listen
{
	if (sock == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
							    socket: self];

	if (listen(sock, 5) == -1)
		@throw [OFListenFailedException exceptionWithClass: [self class]
							    socket: self
							   backLog: 5];

	listening = YES;
}

- (OFTCPSocket*)accept
{
	OFTCPSocket *newSocket;
	struct sockaddr_storage *addr;
	socklen_t addrLen;
	int newSock;

	newSocket = [[[[self class] alloc] init] autorelease];
	addrLen = sizeof(struct sockaddr);

	@try {
		addr = [newSocket allocMemoryWithSize: sizeof(struct sockaddr)];
	} @catch (id e) {
		[newSocket release];
		@throw e;
	}

	if ((newSock = accept(sock, (struct sockaddr*)addr,
	    &addrLen)) == INVALID_SOCKET) {
		[newSocket release];
		@throw [OFAcceptFailedException exceptionWithClass: [self class]
							    socket: self];
	}

	newSocket->sock = newSock;
	newSocket->sockAddr = addr;
	newSocket->sockAddrLen = addrLen;

	return newSocket;
}

- (void)setKeepAlivesEnabled: (BOOL)enable
{
	int v = enable;

	if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (char*)&v, sizeof(v)))
		@throw [OFSetOptionFailedException
		    exceptionWithClass: [self class]
				stream: self];
}

- (OFString*)remoteAddress
{
	char *host;

	if (sockAddr == NULL || sockAddrLen == 0)
		@throw [OFInvalidArgumentException
		    exceptionWithClass: [self class]
			      selector: _cmd];

#ifdef HAVE_THREADSAFE_GETADDRINFO
	host = [self allocMemoryWithSize: NI_MAXHOST];

	@try {
		if (getnameinfo((struct sockaddr*)sockAddr, sockAddrLen, host,
		    NI_MAXHOST, NULL, 0, NI_NUMERICHOST))
			@throw [OFAddressTranslationFailedException
			    exceptionWithClass: [self class]];

		return [OFString stringWithCString: host
					  encoding: OF_STRING_ENCODING_NATIVE];
	} @finally {
		[self freeMemory: host];
	}
#else
# ifdef OF_THREADS
	[mutex lock];

	@try {
# endif
		host = inet_ntoa(((struct sockaddr_in*)sockAddr)->sin_addr);

		if (host == NULL)
			@throw [OFAddressTranslationFailedException
			    exceptionWithClass: [self class]];

		return [OFString stringWithCString: host
					  encoding: OF_STRING_ENCODING_NATIVE];
# ifdef OF_THREADS
	} @finally {
		[mutex unlock];
	}