ObjFW  Diff

#define OF_TCP_SOCKET_M

#define __NO_EXT_QNX

#include "config.h"

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <assert.h>

#import "OFTCPSocket.h"
#import "OFTCPSocket+SOCKS5.h"
#import "OFString.h"
#import "OFThread.h"
#import "OFTimer.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"

- (void)connectToHost: (OFString*)host
		 port: (uint16_t)port
{
	OFString *destinationHost = host;
	uint16_t destinationPort = port;
	of_resolver_result_t **results, **iter;
	int errNo = 0;

	if (_socket != INVALID_SOCKET)
		@throw [OFAlreadyConnectedException exceptionWithSocket: self];

	_listening = false;

	/* Make sure to clear the read buffer in case the socket is reused */

		of_resolver_result_t *result = *iter;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
		int flags;
#endif

		if ((_socket = socket(result->family,
		    result->type | SOCK_CLOEXEC,
		    result->protocol)) == INVALID_SOCKET)
		    result->protocol)) == INVALID_SOCKET) {
			errNo = of_socket_errno();

			continue;
		}

#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

		if (connect(_socket, result->address,
		    result->addressLength) == -1) {
			errNo = of_socket_errno();

			close(_socket);
			_socket = INVALID_SOCKET;

			continue;
		}

		break;
	}

	of_resolver_free(results);

	if (_socket == INVALID_SOCKET)
		@throw [OFConnectionFailedException exceptionWithHost: host
								 port: port
							       socket: self];
							       socket: self
								errNo: errNo];

	if (_SOCKS5Host != nil)
		[self OF_SOCKS5ConnectToHost: destinationHost
					port: destinationPort];
}

#ifdef OF_HAVE_THREADS

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
		int flags;
#endif

		if ((_socket = socket(results[0]->family,
		    results[0]->type | SOCK_CLOEXEC,
		    results[0]->protocol)) == INVALID_SOCKET)
			@throw [OFBindFailedException exceptionWithHost: host
								   port: port
								 socket: self];
			@throw [OFBindFailedException
			    exceptionWithHost: host
					 port: port
				       socket: self
					errNo: of_socket_errno()];

#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

		if (setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,
		    (const char*)&one, (socklen_t)sizeof(one)))
		setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,
		    (const char*)&one, (socklen_t)sizeof(one));
			@throw [OFSetOptionFailedException
			    exceptionWithStream: self];

		if (bind(_socket, results[0]->address,
		    results[0]->addressLength) == -1) {
			int errNo = of_socket_errno();

			close(_socket);
			_socket = INVALID_SOCKET;

			@throw [OFBindFailedException exceptionWithHost: host
								   port: port
								 socket: self];
								 socket: self
								  errNo: errNo];
		}
	} @finally {
		of_resolver_free(results);
	}

	if (port > 0)
		return port;

#ifndef __wii__
	addrLen = (socklen_t)sizeof(addr.storage);
	if (getsockname(_socket, (struct sockaddr*)&addr.storage, &addrLen)) {
		int errNo = of_socket_errno();

		close(_socket);
		_socket = INVALID_SOCKET;

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

	if (addr.storage.ss_family == AF_INET)
		return OF_BSWAP16_IF_LE(addr.in.sin_port);
# ifdef AF_INET6
	if (addr.storage.ss_family == AF_INET6)
		return OF_BSWAP16_IF_LE(addr.in6.sin6_port);
# endif
#endif

	close(_socket);
	_socket = INVALID_SOCKET;
	@throw [OFBindFailedException exceptionWithHost: host
						   port: port
						 socket: self];
						 socket: self
						  errNo: EAFNOSUPPORT];
}

- (void)listen
{
	[self listenWithBackLog: SOMAXCONN];
}

- (void)listenWithBackLog: (int)backLog
{
	if (_socket == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithSocket: self];

	if (listen(_socket, backLog) == -1)
		@throw [OFListenFailedException exceptionWithSocket: self
							    backLog: backLog];
		@throw [OFListenFailedException
		    exceptionWithSocket: self
				backLog: backLog
				  errNo: of_socket_errno()];

	_listening = true;
}

- (instancetype)accept
{
	OFTCPSocket *client = [[[[self class] alloc] init] autorelease];
#if (!defined(HAVE_PACCEPT) && !defined(HAVE_ACCEPT4)) || !defined(SOCK_CLOEXEC)
# if defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	int flags;
# endif
#endif

	client->_address = [client
	    allocMemoryWithSize: sizeof(struct sockaddr_storage)];
	client->_addressLength = (socklen_t)sizeof(struct sockaddr_storage);

#if defined(HAVE_PACCEPT) && defined(SOCK_CLOEXEC)
	if ((client->_socket = paccept(_socket, client->_address,
	   &client->_addressLength, NULL, SOCK_CLOEXEC)) == INVALID_SOCKET)
		@throw [OFAcceptFailedException exceptionWithSocket: self];
		@throw [OFAcceptFailedException
		    exceptionWithSocket: self
				  errNo: of_socket_errno()];
#elif defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
	if ((client->_socket = accept4(_socket, client->_address,
	   &client->_addressLength, SOCK_CLOEXEC)) == INVALID_SOCKET)
		@throw [OFAcceptFailedException exceptionWithSocket: self];
		@throw [OFAcceptFailedException
		    exceptionWithSocket: self
				  errNo: of_socket_errno()];
#else
	if ((client->_socket = accept(_socket, client->_address,
	   &client->_addressLength)) == INVALID_SOCKET)
		@throw [OFAcceptFailedException exceptionWithSocket: self];
		@throw [OFAcceptFailedException
		    exceptionWithSocket: self
				  errNo: of_socket_errno()];

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

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

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

- (OFString*)remoteAddress
{
	OFString *ret;

	if (_socket == INVALID_SOCKET)