ObjFW  Check-in [12b8a7552e]

Nintendo 3DS
------------

  * OS Versions: 9.2.0-20E, 10.5.0-30E / Homebrew Channel 1.1.0
  * Architectures: ARM (EABI)
  * Compilers: GCC 5.3.0 (devkitARM release 45)
  * Runtimes: ObjFW
  * Limitations: No threads


Nintendo DS
-----------

  * Architectures: ARM (EABI)
  * Compilers: GCC 4.8.2 (devkitARM release 42)

	OBJCFLAGS="$OBJCFLAGS -mtp=soft -mword-relocations"
	CPPFLAGS="$CPPFLAGS -DARM11 -I$DEVKITPRO/libctru/include"
	LDFLAGS="$LDFLAGS -specs=3dsx.specs -march=armv6k -mtune=mpcore"
	LDFLAGS="$LDFLAGS -mfloat-abi=hard -mtp=soft -mword-relocations"
	LIBS="$LIBS -L$DEVKITPRO/libctru/lib -lctru"
	enable_shared="no"
	enable_threads="no"	# TODO

	check_pedantic="no"

	AC_DEFINE(OF_NINTENDO_3DS, 1,
		[Whether we are compiling for the Nintendo 3DS])
	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
])

			[Whether we have netinet/in.h])
	])
	AC_CHECK_HEADER(netinet/tcp.h, [
		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
			[Whether we have netinet/tcp.h])
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])

	AC_CHECK_MEMBER([struct sockaddr_in6.sin6_addr], [
		AC_EGREP_CPP(yes, [
			#ifdef OF_HAVE_SYS_SOCKET_H
			# include <sys/socket.h>
			#endif

			#ifdef _WIN32
			# ifdef __MINGW32__
			#  include <_mingw.h>
			#  ifdef __MINGW64_VERSION_MAJOR
			#   include <winsock2.h>
			#  endif
			# endif
			# include <windows.h>
			# include <ws2tcpip.h>
			#endif

			#ifdef AF_INET6
			yes
			#endif
		], [
			AC_DEFINE(OF_HAVE_IPV6, 1, [Whether we have IPv6])
		])
	], [
	], [
		#ifdef OF_HAVE_NETINET_IN_H
		# include <netinet/in.h>
		#endif

		#ifdef _WIN32
		# ifdef __MINGW32__
		#  include <_mingw.h>
		#  ifdef __MINGW64_VERSION_MAJOR
		#   include <winsock2.h>
		#  endif
		# endif
		# include <windows.h>
		# include <ws2tcpip.h>
		#endif
	])

	AC_CHECK_FUNCS([paccept accept4])

	AC_CHECK_FUNC(kqueue, [
		AC_DEFINE(HAVE_KQUEUE, 1, [Whether we have kqueue])
		AC_SUBST(OFKERNELEVENTOBSERVER_KQUEUE_M,
			"OFKernelEventObserver_kqueue.m")

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#define __NO_EXT_QNX

#include "config.h"

#include <errno.h>

#import "OFKernelEventObserver.h"
#import "OFKernelEventObserver+Private.h"
#import "OFArray.h"
#import "OFDataArray.h"
#import "OFStream.h"
#import "OFStream+Private.h"

}

- init
{
	self = [super init];

	@try {
#if !defined(OF_HAVE_PIPE) && !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
		socklen_t cancelAddrLen;
#endif

		_readObjects = [[OFMutableArray alloc] init];
		_writeObjects = [[OFMutableArray alloc] init];

#ifdef OF_HAVE_PIPE
		if (pipe(_cancelFD))
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
#else
		_cancelFD[0] = _cancelFD[1] = socket(AF_INET, SOCK_DGRAM, 0);

		if (_cancelFD[0] == INVALID_SOCKET)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];

		_cancelAddr.sin_family = AF_INET;
		_cancelAddr.sin_port = 0;
		_cancelAddr.sin_addr.s_addr = inet_addr("127.0.0.1");

# ifdef OF_WII
		_cancelAddr.sin_len = 8;


# endif

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
		if (bind(_cancelFD[0], (struct sockaddr*)&_cancelAddr,
		    sizeof(_cancelAddr)) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];


		cancelAddrLen = sizeof(_cancelAddr);
		if (of_getsockname(_cancelFD[0], (struct sockaddr*)&_cancelAddr,
		    &cancelAddrLen) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: [self class]];
# else
		for (;;) {
			uint16_t rnd = 0;
			int ret;

			while (rnd < 1024)
				rnd = (uint16_t)rand();

			_cancelAddr.sin_port = OF_BSWAP16_IF_LE(rnd);
			ret = bind(_cancelFD[0], (struct sockaddr*)&_cancelAddr,
			    sizeof(_cancelAddr));

			if (ret == 0)
				break;

			if (of_socket_errno() != EADDRINUSE)
				@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
		}
# endif
#endif

#ifdef OF_HAVE_THREADS
		_mutex = [[OFMutex alloc] init];
#endif

- (void)dealloc
{
	close(_cancelFD[0]);
	if (_cancelFD[1] != _cancelFD[0])
		close(_cancelFD[1]);





	[_readObjects release];
	[_writeObjects release];

#ifdef OF_HAVE_THREADS
	[_mutex release];
#endif

	bool _listening;
	struct sockaddr *_address;
	socklen_t _addressLength;
	OFString *_SOCKS5Host;
	uint16_t _SOCKS5Port;
#ifdef OF_WII
	uint16_t _port;

#endif
}

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

/*!
 * @brief Returns whether the socket is a listening socket.
 *
 * @return Whether the socket is a listening socket
 */
- (bool)isListening;

#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
/*!
 * @brief Enable or disable keep alive for the connection.
 *
 * @warning This is not available on the Wii or Nintendo 3DS!
 *
 * @param enabled Whether to enable or disable keep alives for the connection
 */
- (void)setKeepAliveEnabled: (bool)enabled;

/*!
 * @brief Returns whether keep alive is enabled for the connection.
 *
 * @warning This is not available on the Wii or Nintendo 3DS!
 *
 * @return Whether keep alives are enabled for the connection
 */
- (bool)isKeepAliveEnabled;
#endif

#ifndef OF_WII
/*!
 * @brief Enable or disable TCP_NODELAY for the connection.
 *
 * @warning This is not available on the Wii!
 *
 * @param enabled Whether to enable or disable TCP_NODELAY for the connection
 */
- (void)setTCPNoDelayEnabled: (bool)enabled;

/*!
 * @brief Returns whether TCP_NODELAY is enabled for the connection.
 *
 * @warning This is not available on the Wii!
 *
 * @return Whether TCP_NODELAY is enabled for the connection
 */
- (bool)isTCPNoDelayEnabled;
#endif
@end

#ifdef __cplusplus
extern "C" {
#endif
extern Class _Nullable of_tls_socket_class;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

- (void)dealloc
{
	[_SOCKS5Host release];

	[super dealloc];
}













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

#endif

- (uint16_t)bindToHost: (OFString*)host
		  port: (uint16_t)port
{
	of_resolver_result_t **results;
	const int one = 1;
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
	union {
		struct sockaddr_storage storage;
		struct sockaddr_in in;
# ifdef HAVE_IPV6
		struct sockaddr_in6 in6;
# endif
	} addr;
	socklen_t addrLen;
#endif

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

	if (_SOCKS5Host != nil)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];












	results = of_resolve_host(host, port, SOCK_STREAM);







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

		if ((_socket = socket(results[0]->family,
		    results[0]->type | SOCK_CLOEXEC,

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

		setsockopt(_socket, SOL_SOCKET, SO_REUSEADDR,
		    (const char*)&one, (socklen_t)sizeof(one));

#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (port != 0) {
#endif
			if (bind(_socket, results[0]->address,
			    results[0]->addressLength) != 0) {
				int errNo = of_socket_errno();

				close(_socket);
				_socket = INVALID_SOCKET;

				@throw [OFBindFailedException
				    exceptionWithHost: host
						 port: port
					       socket: self
						errNo: errNo];
			}
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		} else {
			for (;;) {
				uint16_t rnd = 0;
				int ret;

				while (rnd < 1024)
					rnd = (uint16_t)rand();

				switch (results[0]->family) {
				case AF_INET:
					((struct sockaddr_in*)
					    results[0]->address)->sin_port =
					    OF_BSWAP16_IF_LE(rnd);
					break;
# ifdef HAVE_IPV6
				case AF_INET6:
					((struct sockaddr_in6*)
					    results[0]->address)->sin6_port =
					    OF_BSWAP16_IF_LE(rnd);
					break;
# endif
				default:
					@throw [OFInvalidArgumentException
					    exception];
				}

				ret = bind(_socket, results[0]->address,
				    results[0]->addressLength);

				if (ret == 0) {
					port = rnd;
					break;
				}

				if (of_socket_errno() != EADDRINUSE) {
					int errNo = of_socket_errno();

					close(_socket);
					_socket = INVALID_SOCKET;

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

	if (port > 0)



		return port;

#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)

	addrLen = (socklen_t)sizeof(addr.storage);
	if (of_getsockname(_socket, (struct sockaddr*)&addr.storage,
	    &addrLen) != 0) {
		int errNo = of_socket_errno();

		close(_socket);
		_socket = INVALID_SOCKET;

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

	if (addr.storage.ss_family == AF_INET)
		return OF_BSWAP16_IF_LE(addr.in.sin_port);
# ifdef HAVE_IPV6
	if (addr.storage.ss_family == AF_INET6)
		return OF_BSWAP16_IF_LE(addr.in6.sin6_port);
# endif
#endif

	close(_socket);
	_socket = INVALID_SOCKET;

}

- (bool)isListening
{
	return _listening;
}

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

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




}

- (bool)isKeepAliveEnabled
{

	int v;
	socklen_t len = sizeof(v);

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

	return v;


}
#endif

#ifndef OF_WII
- (void)setTCPNoDelayEnabled: (bool)enabled
{
	int v = enabled;

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




}

- (bool)isTCPNoDelayEnabled
{

	int v;
	socklen_t len = sizeof(v);

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

	return v;



}
#endif
@end

#endif

bool
of_udp_socket_address_equal(of_udp_socket_address_t *address1,
    of_udp_socket_address_t *address2)
{
	struct sockaddr_in *sin_1, *sin_2;
#ifdef HAVE_IPV6
	struct sockaddr_in6 *sin6_1, *sin6_2;
#endif

	if (address1->address.ss_family != address2->address.ss_family)
		return false;

	switch (address1->address.ss_family) {
	case AF_INET:
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
		if (address1->length < sizeof(struct sockaddr_in) ||
		    address2->length < sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#else
		if (address1->length < 8 || address2->length < 8)
			@throw [OFInvalidArgumentException exception];
#endif

		sin_1 = (struct sockaddr_in*)&address1->address;
		sin_2 = (struct sockaddr_in*)&address2->address;

		if (sin_1->sin_port != sin_2->sin_port)
			return false;
		if (sin_1->sin_addr.s_addr != sin_2->sin_addr.s_addr)
			return false;

		break;
#ifdef HAVE_IPV6
	case AF_INET6:
		if (address1->length < sizeof(struct sockaddr_in6) ||
		    address2->length < sizeof(struct sockaddr_in6))
			@throw [OFInvalidArgumentException exception];

		sin6_1 = (struct sockaddr_in6*)&address1->address;
		sin6_2 = (struct sockaddr_in6*)&address2->address;

}

uint32_t
of_udp_socket_address_hash(of_udp_socket_address_t *address)
{
	uint32_t hash = of_hash_seed;
	struct sockaddr_in *sin;
#ifdef HAVE_IPV6
	struct sockaddr_in6 *sin6;
	uint32_t subhash;
#endif

	hash += address->address.ss_family;

	switch (address->address.ss_family) {
	case AF_INET:
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
		if (address->length < sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#else
		if (address->length < 8)
			@throw [OFInvalidArgumentException exception];
#endif

		sin = (struct sockaddr_in*)&address->address;

		hash += (sin->sin_port << 1);
		hash ^= sin->sin_addr.s_addr;

		break;
#ifdef HAVE_IPV6
	case AF_INET6:
		if (address->length < sizeof(struct sockaddr_in6))
			@throw [OFInvalidArgumentException exception];

		sin6 = (struct sockaddr_in6*)&address->address;

		hash += (sin6->sin6_port << 1);

	return [self retain];
}

- (uint16_t)bindToHost: (OFString*)host
		  port: (uint16_t)port
{
	of_resolver_result_t **results;
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
	union {
		struct sockaddr_storage storage;
		struct sockaddr_in in;
# ifdef HAVE_IPV6
		struct sockaddr_in6 in6;
# endif
	} addr;
	socklen_t addrLen;
#endif












	results = of_resolve_host(host, port, SOCK_DGRAM);







	@try {
#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
					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 defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (port != 0) {
#endif
			if (bind(_socket, results[0]->address,
			    results[0]->addressLength) != 0) {
				int errNo = of_socket_errno();

				close(_socket);
				_socket = INVALID_SOCKET;

				@throw [OFBindFailedException
				    exceptionWithHost: host
						 port: port
					       socket: self
						errNo: errNo];
			}
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		} else {
			for (;;) {
				uint16_t rnd = 0;
				int ret;

				while (rnd < 1024)
					rnd = (uint16_t)rand();

				switch (results[0]->family) {
				case AF_INET:
					((struct sockaddr_in*)
					    results[0]->address)->sin_port =
					    OF_BSWAP16_IF_LE(rnd);
					break;
# ifdef HAVE_IPV6
				case AF_INET6:
					((struct sockaddr_in6*)
					    results[0]->address)->sin6_port =
					    OF_BSWAP16_IF_LE(rnd);
					break;
# endif
				default:
					@throw [OFInvalidArgumentException
					    exception];
				}

				ret = bind(_socket, results[0]->address,
				    results[0]->addressLength);

				if (ret == 0) {
					port = rnd;
					break;
				}

				if (of_socket_errno() != EADDRINUSE) {
					int errNo = of_socket_errno();

					close(_socket);
					_socket = INVALID_SOCKET;

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

	if (port > 0)



		return port;

#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)

	addrLen = (socklen_t)sizeof(addr.storage);
	if (of_getsockname(_socket, (struct sockaddr*)&addr.storage,
	    &addrLen) != 0) {
		int errNo = of_socket_errno();

		close(_socket);
		_socket = INVALID_SOCKET;

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

	if (addr.storage.ss_family == AF_INET)
		return OF_BSWAP16_IF_LE(addr.in.sin_port);
# ifdef HAVE_IPV6
	if (addr.storage.ss_family == AF_INET6)
		return OF_BSWAP16_IF_LE(addr.in6.sin6_port);
# endif
#endif

	close(_socket);
	_socket = INVALID_SOCKET;

- (void)close
{
	if (_socket == INVALID_SOCKET)
		@throw [OFNotOpenException exceptionWithObject: self];

	close(_socket);
	_socket = INVALID_SOCKET;
}







@end

#undef OF_APPLE_RUNTIME
#undef OF_BIG_ENDIAN
#undef OF_FLOAT_BIG_ENDIAN
#undef OF_HAVE_ATOMIC_OPS
#undef OF_HAVE_BUILTIN_BSWAP16
#undef OF_HAVE_BUILTIN_BSWAP32
#undef OF_HAVE_BUILTIN_BSWAP64
#undef OF_HAVE_CHMOD
#undef OF_HAVE_CHOWN
#undef OF_HAVE_FILES
#undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#undef OF_HAVE_GCC_ATOMIC_OPS
#undef OF_HAVE_IPV6
#undef OF_HAVE_LINK
#undef OF_HAVE_MAX_ALIGN_T
#undef OF_HAVE_NETINET_IN_H
#undef OF_HAVE_OSATOMIC
#undef OF_HAVE_OSATOMIC_64
#undef OF_HAVE_PIPE
#undef OF_HAVE_PLUGINS

extern "C" {
#endif
extern bool of_socket_init(void);
extern int of_socket_errno(void);
# ifndef OF_WII
extern int of_getsockname(of_socket_t socket, struct sockaddr *restrict address,
    socklen_t *restrict address_len);




# endif
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef OF_NINTENDO_3DS
# include <malloc.h>  /* For memalign() */
#endif

#include <errno.h>

#import "OFException.h"  /* For some E* -> WSAE* defines */
#import "OFInvalidArgumentException.h"
#import "OFLockFailedException.h"
#import "OFUnlockFailedException.h"

#import "socket.h"
#ifdef OF_HAVE_THREADS
# include "threading.h"
#endif

#ifdef OF_NINTENDO_3DS
# include <3ds/types.h>
# include <3ds/services/soc.h>
#endif

#ifdef OF_HAVE_THREADS
static of_once_t onceControl = OF_ONCE_INIT;
static of_mutex_t mutex;
#endif
static bool initialized = false;

#ifdef OF_WII
# ifdef OF_HAVE_THREADS

	WSADATA wsa;

	if (WSAStartup(MAKEWORD(2, 0), &wsa))
		return;
#elif defined(OF_WII)
	if (net_init() < 0)
		return;
#elif defined(OF_NINTENDO_3DS)
	void *ctx;

	if ((ctx = memalign(0x1000, 0x100000)) == NULL)
		return;

	if (socInit(ctx, 0x100000) != 0)
		return;

	atexit((void(*))socExit);
#endif

#ifdef OF_HAVE_THREADS
	if (!of_mutex_new(&mutex))
		return;

# ifdef OF_WII

# ifdef OF_HAVE_THREADS
	if (!of_mutex_unlock(&mutex))
		@throw [OFUnlockFailedException exception];
# endif

	return ret;
}




















































































#endif

#endif

#ifndef INADDR_NONE
# define INADDR_NONE ((in_addr_t)-1)
#endif

#ifndef SOMAXCONN
/*
 * Use 16 as everything > 17 fails on Nintendo 3DS and 16 is a less arbitrary
 * number than 17.
 */
# define SOMAXCONN 16
#endif

#ifndef SOCK_CLOEXEC
# define SOCK_CLOEXEC 0
#endif

#ifdef OF_WINDOWS
# define close(sock) closesocket(sock)
#endif






#ifdef OF_WII
# define accept(sock, addr, addrlen) net_accept(sock, addr, addrlen)
# define bind(sock, addr, addrlen) net_bind(sock, addr, addrlen)
# define close(sock) net_close(sock)
# define connect(sock, addr, addrlen) net_connect(sock, addr, addrlen)
# define gethostbyname(name) net_gethostbyname(name)
# define h_errno 0

	_received = received;
}

- (void)_drawProgress
{
	float bars, percent;
	unsigned short barWidth;
#if defined(HAVE_SYS_IOCTL_H) && defined(TIOCGWINSZ)
	struct winsize ws;

	if (ioctl(0, TIOCGWINSZ, &ws) == 0 && ws.ws_col > 37)
		barWidth = ws.ws_col - 37;
	else
		barWidth = 0;
#else