ObjFW  Diff

 * 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"

#ifndef _XOPEN_SOURCE_EXTENDED
# define _XOPEN_SOURCE_EXTENDED
#endif
#define _HPUX_ALT_XOPEN_SOCKET_API

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

#include <errno.h>

#import "OFArray.h"
#import "OFCharacterSet.h"
#import "OFLocale.h"
#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif
#import "OFOnce.h"
#import "OFSocket.h"
#import "OFSocket+Private.h"
#import "OFString.h"
#ifdef OF_HAVE_THREADS
# import "OFTLSKey.h"
#endif

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

#import "socket.h"
#import "socket_helpers.h"
#ifdef OF_HAVE_THREADS
# import "tlskey.h"
#endif
#import "once.h"

#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif

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

#endif
#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static bool initSuccessful = false;
#endif

#ifdef OF_AMIGAOS
# if defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
of_tlskey_t of_socket_base_key;
OFTLSKey OFSocketBaseKey;
#  ifdef OF_AMIGAOS4
of_tlskey_t of_socket_interface_key;
OFTLSKey OFSocketInterfaceKey;
#  endif
# else
struct Library *SocketBase;
#  ifdef OF_AMIGAOS4
struct SocketIFace *ISocket = NULL;
#  endif
# endif
#endif

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
OF_CONSTRUCTOR()
{
	if (of_tlskey_new(&of_socket_base_key) != 0)
	if (OFTLSKeyNew(&OFSocketBaseKey) != 0)
		@throw [OFInitializationFailedException exception];

# ifdef OF_AMIGAOS4
	if (of_tlskey_new(&of_socket_interface_key) != 0)
	if (OFTLSKeyNew(&OFSocketInterfaceKey) != 0)
		@throw [OFInitializationFailedException exception];
# endif
}
#endif

#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static void

# endif

# if defined(OF_HAVE_THREADS) && (!defined(OF_AMIGAOS) || defined(OF_MORPHOS))
	mutex = [[OFMutex alloc] init];
	atexit(releaseMutex);

#  ifdef OF_WII
	if (of_spinlock_new(&spinlock) != 0)
	if (OFSpinlockNew(&spinlock) != 0)
		return;
#  endif
# endif

	initSuccessful = true;
}

	if (SocketBase != NULL)
		CloseLibrary(SocketBase);
# endif
}
#endif

bool
of_socket_init(void)
OFSocketInit(void)
{
#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
	static of_once_t onceControl = OF_ONCE_INIT;
	of_once(&onceControl, init);
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFOnce(&onceControl, init);

	return initSuccessful;
#else
	struct Library *socketBase;
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface;
# endif

# ifdef OF_AMIGAOS4
	if ((socketInterface = of_tlskey_get(of_socket_interface_key)) != NULL)
	if ((socketInterface = OFTLSKeyGet(OFSocketInterfaceKey)) != NULL)
# else
	if ((socketBase = of_tlskey_get(of_socket_base_key)) != NULL)
	if ((socketBase = OFTLSKeyGet(OFSocketBaseKey)) != NULL)
# endif
		return true;

	if ((socketBase = OpenLibrary("bsdsocket.library", 4)) == NULL)
		return false;

# ifdef OF_AMIGAOS4
	if ((socketInterface = (struct SocketIFace *)
	    GetInterface(socketBase, "main", 1, NULL)) == NULL) {
		CloseLibrary(socketBase);
		return false;
	}
# endif

	if (of_tlskey_set(of_socket_base_key, socketBase) != 0) {
	if (OFTLSKeySet(OFSocketBaseKey, socketBase) != 0) {
		CloseLibrary(socketBase);
# ifdef OF_AMIGAOS4
		DropInterface((struct Interface *)socketInterface);
# endif
		return false;
	}

# ifdef OF_AMIGAOS4
	if (of_tlskey_set(of_socket_interface_key, socketInterface) != 0) {
	if (OFTLSKeySet(OFSocketInterfaceKey, socketInterface) != 0) {
		CloseLibrary(socketBase);
		DropInterface((struct Interface *)socketInterface);
		return false;
	}
# endif

	return true;
#endif
}

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
void
of_socket_deinit(void)
OFSocketDeinit(void)
{
	struct Library *socketBase = of_tlskey_get(of_socket_base_key);
	struct Library *socketBase = OFTLSKeyGet(OFSocketBaseKey);
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface =
	struct SocketIFace *socketInterface = OFTLSKeyGet(OFSocketInterfaceKey);
	    of_tlskey_get(of_socket_interface_key);

	if (socketInterface != NULL)
		DropInterface((struct Interface *)socketInterface);
# endif
	if (socketBase != NULL)
		CloseLibrary(socketBase);
}
#endif

int
of_socket_errno()
OFSocketErrNo()
{
#if defined(OF_WINDOWS)
	switch (WSAGetLastError()) {
	case WSAEACCES:
		return EACCES;
	case WSAEADDRINUSE:
		return EADDRINUSE;

#else
	return errno;
#endif
}

#ifndef OF_WII
int
of_getsockname(of_socket_t sock, struct sockaddr *restrict addr,
OFGetSockName(OFSocketHandle sock, struct sockaddr *restrict addr,
    socklen_t *restrict addrLen)
{
	int ret;

# if defined(OF_HAVE_THREADS) && (!defined(OF_AMIGAOS) || defined(OF_MORPHOS))
	[mutex lock];
# endif
	ret = getsockname(sock, addr, addrLen);
# if defined(OF_HAVE_THREADS) && (!defined(OF_AMIGAOS) || defined(OF_MORPHOS))
	[mutex unlock];
# endif

	return ret;
}
#endif

of_socket_address_t
of_socket_address_parse_ipv4(OFString *IPv4, uint16_t port)
OFSocketAddress
OFSocketAddressParseIPv4(OFString *IPv4, uint16_t port)
{
	void *pool = objc_autoreleasePoolPush();
	OFCharacterSet *whitespaceCharacterSet =
	    [OFCharacterSet whitespaceCharacterSet];
	of_socket_address_t ret;
	OFSocketAddress ret;
	struct sockaddr_in *addrIn = &ret.sockaddr.in;
	OFArray OF_GENERIC(OFString *) *components;
	uint32_t addr;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OF_SOCKET_ADDRESS_FAMILY_IPV4;
	ret.family = OFSocketAddressFamilyIPv4;
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
	ret.length = 8;
#else
	ret.length = sizeof(ret.sockaddr.in);
#endif

	addrIn->sin_family = AF_INET;
	addrIn->sin_port = OF_BSWAP16_IF_LE(port);
	addrIn->sin_port = OFToBigEndian16(port);
#ifdef OF_WII
	addrIn->sin_len = ret.length;
#endif

	components = [IPv4 componentsSeparatedByString: @"."];

	if (components.count != 4)
		@throw [OFInvalidFormatException exception];

	addr = 0;

	for (OFString *component in components) {
		unsigned long long number;

		if (component.length == 0)
			@throw [OFInvalidFormatException exception];

		if ([component indexOfCharacterFromSet:
		    whitespaceCharacterSet] != OF_NOT_FOUND)
		    whitespaceCharacterSet] != OFNotFound)
			@throw [OFInvalidFormatException exception];

		number = component.unsignedLongLongValue;

		if (number > UINT8_MAX)
			@throw [OFInvalidFormatException exception];

		addr = (addr << 8) | ((uint32_t)number & 0xFF);
	}

	addrIn->sin_addr.s_addr = OF_BSWAP32_IF_LE(addr);
	addrIn->sin_addr.s_addr = OFToBigEndian32(addr);

	objc_autoreleasePoolPop(pool);

	return ret;
}

static uint16_t
parseIPv6Component(OFString *component)
{
	unsigned long long number;

	if ([component indexOfCharacterFromSet:
	    [OFCharacterSet whitespaceCharacterSet]] != OF_NOT_FOUND)
	    [OFCharacterSet whitespaceCharacterSet]] != OFNotFound)
		@throw [OFInvalidFormatException exception];

	number = [component unsignedLongLongValueWithBase: 16];

	if (number > UINT16_MAX)
		@throw [OFInvalidFormatException exception];

	return (uint16_t)number;
}

of_socket_address_t
of_socket_address_parse_ipv6(OFString *IPv6, uint16_t port)
OFSocketAddress
OFSocketAddressParseIPv6(OFString *IPv6, uint16_t port)
{
	void *pool = objc_autoreleasePoolPush();
	of_socket_address_t ret;
	OFSocketAddress ret;
	struct sockaddr_in6 *addrIn6 = &ret.sockaddr.in6;
	size_t doubleColon;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OF_SOCKET_ADDRESS_FAMILY_IPV6;
	ret.family = OFSocketAddressFamilyIPv6;
	ret.length = sizeof(ret.sockaddr.in6);

#ifdef AF_INET6
	addrIn6->sin6_family = AF_INET6;
#else
	addrIn6->sin6_family = AF_UNSPEC;
#endif
	addrIn6->sin6_port = OF_BSWAP16_IF_LE(port);
	addrIn6->sin6_port = OFToBigEndian16(port);

	doubleColon = [IPv6 rangeOfString: @"::"].location;

	if (doubleColon != OF_NOT_FOUND) {
	if (doubleColon != OFNotFound) {
		OFString *left = [IPv6 substringToIndex: doubleColon];
		OFString *right = [IPv6 substringFromIndex: doubleColon + 2];
		OFArray OF_GENERIC(OFString *) *leftComponents;
		OFArray OF_GENERIC(OFString *) *rightComponents;
		size_t i;

		if ([right hasPrefix: @":"] || [right containsString: @"::"])

	}

	objc_autoreleasePoolPop(pool);

	return ret;
}

of_socket_address_t
of_socket_address_parse_ip(OFString *IP, uint16_t port)
OFSocketAddress
OFSocketAddressParseIP(OFString *IP, uint16_t port)
{
	of_socket_address_t ret;
	OFSocketAddress ret;

	@try {
		ret = of_socket_address_parse_ipv6(IP, port);
		ret = OFSocketAddressParseIPv6(IP, port);
	} @catch (OFInvalidFormatException *e) {
		ret = of_socket_address_parse_ipv4(IP, port);
		ret = OFSocketAddressParseIPv4(IP, port);
	}

	return ret;
}

of_socket_address_t
of_socket_address_ipx(const unsigned char node[IPX_NODE_LEN], uint32_t network,
OFSocketAddress
OFSocketAddressMakeIPX(const unsigned char node[IPX_NODE_LEN], uint32_t network,
    uint16_t port)
{
	of_socket_address_t ret;
	OFSocketAddress ret;

	memset(&ret, '\0', sizeof(ret));
	ret.family = OF_SOCKET_ADDRESS_FAMILY_IPX;
	ret.family = OFSocketAddressFamilyIPX;
	ret.length = sizeof(ret.sockaddr.ipx);

#ifdef AF_IPX
	ret.sockaddr.ipx.sipx_family = AF_IPX;
#else
	ret.sockaddr.ipx.sipx_family = AF_UNSPEC;
#endif
	memcpy(ret.sockaddr.ipx.sipx_node, node, IPX_NODE_LEN);
	network = OF_BSWAP32_IF_LE(network);
	network = OFToBigEndian32(network);
	memcpy(&ret.sockaddr.ipx.sipx_network, &network,
	    sizeof(ret.sockaddr.ipx.sipx_network));
	ret.sockaddr.ipx.sipx_port = OF_BSWAP16_IF_LE(port);
	ret.sockaddr.ipx.sipx_port = OFToBigEndian16(port);

	return ret;
}

bool
of_socket_address_equal(const of_socket_address_t *address1,
    const of_socket_address_t *address2)
OFSocketAddressEqual(const OFSocketAddress *address1,
    const OFSocketAddress *address2)
{
	const struct sockaddr_in *addrIn1, *addrIn2;
	const struct sockaddr_in6 *addrIn6_1, *addrIn6_2;
	const struct sockaddr_ipx *addrIPX1, *addrIPX2;

	if (address1->family != address2->family)
		return false;

	switch (address1->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
	case OFSocketAddressFamilyIPv4:
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (address1->length < 8 || address2->length < 8)
			@throw [OFInvalidArgumentException exception];
#else
		if (address1->length < (socklen_t)sizeof(struct sockaddr_in) ||
		    address2->length < (socklen_t)sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#endif

		addrIn1 = &address1->sockaddr.in;
		addrIn2 = &address2->sockaddr.in;

		if (addrIn1->sin_port != addrIn2->sin_port)
			return false;
		if (addrIn1->sin_addr.s_addr != addrIn2->sin_addr.s_addr)
			return false;

		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPV6:
	case OFSocketAddressFamilyIPv6:
		if (address1->length < (socklen_t)sizeof(struct sockaddr_in6) ||
		    address2->length < (socklen_t)sizeof(struct sockaddr_in6))
			@throw [OFInvalidArgumentException exception];

		addrIn6_1 = &address1->sockaddr.in6;
		addrIn6_2 = &address2->sockaddr.in6;

		if (addrIn6_1->sin6_port != addrIn6_2->sin6_port)
			return false;
		if (memcmp(addrIn6_1->sin6_addr.s6_addr,
		    addrIn6_2->sin6_addr.s6_addr,
		    sizeof(addrIn6_1->sin6_addr.s6_addr)) != 0)
			return false;

		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPX:
	case OFSocketAddressFamilyIPX:
		if (address1->length < (socklen_t)sizeof(struct sockaddr_ipx) ||
		    address2->length < (socklen_t)sizeof(struct sockaddr_ipx))
			@throw [OFInvalidArgumentException exception];

		addrIPX1 = &address1->sockaddr.ipx;
		addrIPX2 = &address2->sockaddr.ipx;

		@throw [OFInvalidArgumentException exception];
	}

	return true;
}

unsigned long
of_socket_address_hash(const of_socket_address_t *address)
OFSocketAddressHash(const OFSocketAddress *address)
{
	uint32_t hash;
	unsigned long hash;

	OF_HASH_INIT(hash);
	OF_HASH_ADD(hash, address->family);
	OFHashInit(&hash);
	OFHashAdd(&hash, address->family);

	switch (address->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
	case OFSocketAddressFamilyIPv4:
#if defined(OF_WII) || defined(OF_NINTENDO_3DS)
		if (address->length < 8)
			@throw [OFInvalidArgumentException exception];
#else
		if (address->length < (socklen_t)sizeof(struct sockaddr_in))
			@throw [OFInvalidArgumentException exception];
#endif

		OF_HASH_ADD(hash, address->sockaddr.in.sin_port >> 8);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_port);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr >> 24);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr >> 16);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr >> 8);
		OF_HASH_ADD(hash, address->sockaddr.in.sin_addr.s_addr);
		OFHashAdd(&hash, address->sockaddr.in.sin_port >> 8);
		OFHashAdd(&hash, address->sockaddr.in.sin_port);
		OFHashAdd(&hash, address->sockaddr.in.sin_addr.s_addr >> 24);
		OFHashAdd(&hash, address->sockaddr.in.sin_addr.s_addr >> 16);
		OFHashAdd(&hash, address->sockaddr.in.sin_addr.s_addr >> 8);
		OFHashAdd(&hash, address->sockaddr.in.sin_addr.s_addr);

		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPV6:
	case OFSocketAddressFamilyIPv6:
		if (address->length < (socklen_t)sizeof(struct sockaddr_in6))
			@throw [OFInvalidArgumentException exception];

		OF_HASH_ADD(hash, address->sockaddr.in6.sin6_port >> 8);
		OF_HASH_ADD(hash, address->sockaddr.in6.sin6_port);
		OFHashAdd(&hash, address->sockaddr.in6.sin6_port >> 8);
		OFHashAdd(&hash, address->sockaddr.in6.sin6_port);

		for (size_t i = 0;
		    i < sizeof(address->sockaddr.in6.sin6_addr.s6_addr); i++)
			OF_HASH_ADD(hash,
			OFHashAdd(&hash,
			    address->sockaddr.in6.sin6_addr.s6_addr[i]);

		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPX:;
	case OFSocketAddressFamilyIPX:;
		unsigned char network[
		    sizeof(address->sockaddr.ipx.sipx_network)];

		if (address->length < (socklen_t)sizeof(struct sockaddr_ipx))
			@throw [OFInvalidArgumentException exception];

		OF_HASH_ADD(hash, address->sockaddr.ipx.sipx_port >> 8);
		OF_HASH_ADD(hash, address->sockaddr.ipx.sipx_port);
		OFHashAdd(&hash, address->sockaddr.ipx.sipx_port >> 8);
		OFHashAdd(&hash, address->sockaddr.ipx.sipx_port);

		memcpy(network, &address->sockaddr.ipx.sipx_network,
		    sizeof(network));

		for (size_t i = 0; i < sizeof(network); i++)
			OF_HASH_ADD(hash, network[i]);
			OFHashAdd(&hash, network[i]);

		for (size_t i = 0; i < IPX_NODE_LEN; i++)
			OF_HASH_ADD(hash, address->sockaddr.ipx.sipx_node[i]);
			OFHashAdd(&hash, address->sockaddr.ipx.sipx_node[i]);

		break;
	default:
		@throw [OFInvalidArgumentException exception];
	}

	OF_HASH_FINALIZE(hash);
	OFHashFinalize(&hash);

	return hash;
}

static OFString *
IPv4String(const of_socket_address_t *address, uint16_t *port)
IPv4String(const OFSocketAddress *address)
{
	const struct sockaddr_in *addrIn = &address->sockaddr.in;
	uint32_t addr = OF_BSWAP32_IF_LE(addrIn->sin_addr.s_addr);
	uint32_t addr = OFFromBigEndian32(addrIn->sin_addr.s_addr);
	OFString *string;

	string = [OFString stringWithFormat: @"%u.%u.%u.%u",
	    (addr & 0xFF000000) >> 24, (addr & 0x00FF0000) >> 16,
	    (addr & 0x0000FF00) >>  8, addr & 0x000000FF];

	if (port != NULL)
		*port = OF_BSWAP16_IF_LE(addrIn->sin_port);

	return string;
}

static OFString *
IPv6String(const of_socket_address_t *address, uint16_t *port)
IPv6String(const OFSocketAddress *address)
{
	OFMutableString *string = [OFMutableString string];
	const struct sockaddr_in6 *addrIn6 = &address->sockaddr.in6;
	int_fast8_t zerosStart = -1, maxZerosStart = -1;
	uint_fast8_t zerosCount = 0, maxZerosCount = 0;
	bool first = true;

			    addrIn6->sin6_addr.s6_addr[i + 1]];
			first = false;
		}
	}

	[string makeImmutable];

	if (port != NULL)
		*port = OF_BSWAP16_IF_LE(addrIn6->sin6_port);

	return string;
}

OFString *
of_socket_address_ip_string(const of_socket_address_t *address, uint16_t *port)
OFSocketAddressString(const OFSocketAddress *address)
{
	switch (address->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
		return IPv4String(address, port);
	case OF_SOCKET_ADDRESS_FAMILY_IPV6:
		return IPv6String(address, port);
	case OFSocketAddressFamilyIPv4:
		return IPv4String(address);
	case OFSocketAddressFamilyIPv6:
		return IPv6String(address);
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

void
of_socket_address_set_port(of_socket_address_t *address, uint16_t port)
OFSocketAddressSetPort(OFSocketAddress *address, uint16_t port)
{
	switch (address->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
		address->sockaddr.in.sin_port = OF_BSWAP16_IF_LE(port);
	case OFSocketAddressFamilyIPv4:
		address->sockaddr.in.sin_port = OFToBigEndian16(port);
		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPV6:
		address->sockaddr.in6.sin6_port = OF_BSWAP16_IF_LE(port);
	case OFSocketAddressFamilyIPv6:
		address->sockaddr.in6.sin6_port = OFToBigEndian16(port);
		break;
	case OF_SOCKET_ADDRESS_FAMILY_IPX:
		address->sockaddr.ipx.sipx_port = OF_BSWAP16_IF_LE(port);
	case OFSocketAddressFamilyIPX:
		address->sockaddr.ipx.sipx_port = OFToBigEndian16(port);
		break;
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

uint16_t
of_socket_address_get_port(const of_socket_address_t *address)
OFSocketAddressPort(const OFSocketAddress *address)
{
	switch (address->family) {
	case OF_SOCKET_ADDRESS_FAMILY_IPV4:
		return OF_BSWAP16_IF_LE(address->sockaddr.in.sin_port);
	case OF_SOCKET_ADDRESS_FAMILY_IPV6:
		return OF_BSWAP16_IF_LE(address->sockaddr.in6.sin6_port);
	case OF_SOCKET_ADDRESS_FAMILY_IPX:
		return OF_BSWAP16_IF_LE(address->sockaddr.ipx.sipx_port);
	case OFSocketAddressFamilyIPv4:
		return OFFromBigEndian16(address->sockaddr.in.sin_port);
	case OFSocketAddressFamilyIPv6:
		return OFFromBigEndian16(address->sockaddr.in6.sin6_port);
	case OFSocketAddressFamilyIPX:
		return OFFromBigEndian16(address->sockaddr.ipx.sipx_port);
	default:
		@throw [OFInvalidArgumentException exception];
	}
}

void
of_socket_address_set_ipx_network(of_socket_address_t *address,
    uint32_t network)
OFSocketAddressSetIPXNetwork(OFSocketAddress *address, uint32_t network)
{
	if (address->family != OF_SOCKET_ADDRESS_FAMILY_IPX)
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

	network = OF_BSWAP32_IF_LE(network);
	network = OFToBigEndian32(network);
	memcpy(&address->sockaddr.ipx.sipx_network, &network,
	    sizeof(address->sockaddr.ipx.sipx_network));
}

uint32_t
of_socket_address_get_ipx_network(const of_socket_address_t *address)
OFSocketAddressIPXNetwork(const OFSocketAddress *address)
{
	uint32_t network;

	if (address->family != OF_SOCKET_ADDRESS_FAMILY_IPX)
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

	memcpy(&network, &address->sockaddr.ipx.sipx_network, sizeof(network));

	return OF_BSWAP32_IF_LE(network);
	return OFFromBigEndian32(network);
}

void
of_socket_address_set_ipx_node(of_socket_address_t *address,
OFSocketAddressSetIPXNode(OFSocketAddress *address,
    const unsigned char node[IPX_NODE_LEN])
{
	if (address->family != OF_SOCKET_ADDRESS_FAMILY_IPX)
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

	memcpy(address->sockaddr.ipx.sipx_node, node, IPX_NODE_LEN);
}

void
of_socket_address_get_ipx_node(const of_socket_address_t *address,
OFSocketAddressIPXNode(const OFSocketAddress *address,
    unsigned char node[IPX_NODE_LEN])
{
	if (address->family != OF_SOCKET_ADDRESS_FAMILY_IPX)
	if (address->family != OFSocketAddressFamilyIPX)
		@throw [OFInvalidArgumentException exception];

	memcpy(node, address->sockaddr.ipx.sipx_node, IPX_NODE_LEN);
}