ObjFW  Diff

#ifdef HAVE_SYS_UTSNAME_H
# include <sys/utsname.h>
#endif
#if defined(OF_MACOS) || defined(OF_IOS) || defined(OF_NETBSD)
# include <sys/sysctl.h>
#endif

#ifdef HAVE_IFADDRS_H
# include <ifaddrs.h>
#endif
#ifdef HAVE_NET_IF_TYPES_H
# include <net/if_types.h>
#endif
#ifdef HAVE_NET_IF_DL_H
# include <net/if_dl.h>
#endif

#import "OFSystemInfo.h"
#import "OFApplication.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFDictionary.h"
#import "OFIRI.h"
#import "OFLocale.h"

#import "OFOnce.h"
#ifdef OF_HAVE_SOCKETS
# import "OFSocket.h"
#endif
#import "OFString.h"

#if defined(OF_MACOS) || defined(OF_IOS)

#if defined(OF_AMD64) || defined(OF_X86)
struct X86Regs {
	uint32_t eax, ebx, ecx, edx;
};
#endif

#ifdef OF_SYSTEM_INFO_HAS_NETWORK_INTERFACES
OFConstantString *const OFNetworkInterfaceAddresses =
    @"OFNetworkInterfaceAddresses";
OFConstantString *const OFNetworkInterfaceEthernetAddress =
    @"OFNetworkInterfaceEthernetAddress";
#endif

static size_t pageSize = 4096;
static size_t numberOfCPUs = 1;
static OFString *operatingSystemName = nil;
static OFString *operatingSystemVersion = nil;

static void
initOperatingSystemName(void)

#ifdef OF_WINDOWS
+ (bool)isWindowsNT
{
	return !(GetVersion() & 0x80000000);
}
#endif

#ifdef OF_SYSTEM_INFO_HAS_NETWORK_INTERFACES
static OFSocketAddress
wrapSockaddr(struct sockaddr *sa)
{
	OFSocketAddress address;

	switch (sa->sa_family) {
	case AF_INET:
		address.family = OFSocketAddressFamilyIPv4;
		memcpy(&address.sockaddr.ipx, sa, sizeof(struct sockaddr_in));
		address.length = (socklen_t)sizeof(struct sockaddr_in);
		break;
# ifdef AF_INET6
	case AF_INET6:
		address.family = OFSocketAddressFamilyIPv6;
		memcpy(&address.sockaddr.ipx, sa, sizeof(struct sockaddr_in6));
		address.length = (socklen_t)sizeof(struct sockaddr_in6);
		break;
# endif
# ifdef AF_IPX
	case AF_IPX:
		address.family = OFSocketAddressFamilyIPX;
		memcpy(&address.sockaddr.ipx, sa, sizeof(struct sockaddr_ipx));
		address.length = (socklen_t)sizeof(struct sockaddr_ipx);
		break;
# endif
# ifdef AF_APPLETALK
	case AF_APPLETALK:
		address.family = OFSocketAddressFamilyAppleTalk;
		memcpy(&address.sockaddr.at, sa, sizeof(struct sockaddr_at));
		address.length = (socklen_t)sizeof(struct sockaddr_at);
		break;
# endif
	default:
		address.family = OFSocketAddressFamilyUnknown;
		memcpy(&address.sockaddr, sa, sizeof(struct sockaddr));
		address.length = sizeof(struct sockaddr);
		break;
	}

	return address;
}

+ (OFDictionary OF_GENERIC(OFString *, OFDictionary
    OF_GENERIC(OFNetworkInterfaceInfoKey, id) *) *)networkInterfaces
{
	OFMutableDictionary *interfaces = [OFMutableDictionary dictionary];
	OFStringEncoding encoding = [OFLocale encoding];
	struct ifaddrs *ifaddrs;

	if (getifaddrs(&ifaddrs) != 0)

		return nil;

	@try {
		for (struct ifaddrs *iter = ifaddrs; iter != NULL;
		    iter = iter->ifa_next) {
			OFString *interfaceName =
			    [OFString stringWithCString: iter->ifa_name
					       encoding: encoding];
			OFMutableDictionary *interface;
			OFMutableData *addresses;
			OFSocketAddress address;

			interface = [interfaces objectForKey: interfaceName];
			if (interface == nil) {
				interface = [OFMutableDictionary dictionary];
				[interfaces setObject: interface
					       forKey: interfaceName];
			}

			if (iter->ifa_addr == NULL)
				continue;

# if defined(HAVE_STRUCT_SOCKADDR_LL) && defined(AF_PACKET)
			if (iter->ifa_addr->sa_family == AF_PACKET) {
				const OFNetworkInterfaceInfoKey key =
				    OFNetworkInterfaceEthernetAddress;
				struct sockaddr_ll *sll = (struct sockaddr_ll *)
				    (void *)iter->ifa_addr;
				OFData *addr;

				/* ARP hardware address type 1 is Ethernet. */
				if (sll->sll_hatype != 1)
					continue;

				addr = [OFData dataWithItems: sll->sll_addr
						       count: sll->sll_halen];
				[interface setObject: addr forKey: key];
				continue;
			}
# endif
# if defined(HAVE_STRUCT_SOCKADDR_DL) && defined(AF_LINK) && \
    defined(IFT_ETHER) && defined(LLADDR)
			if (iter->ifa_addr->sa_family == AF_LINK) {
				const OFNetworkInterfaceInfoKey key =
				    OFNetworkInterfaceEthernetAddress;
				struct sockaddr_dl *sdl = (struct sockaddr_dl *)
				    (void *)iter->ifa_addr;
				OFData *addr;

				if (sdl->sdl_type != IFT_ETHER)
					continue;

				addr = [OFData dataWithItems: LLADDR(sdl)
						       count: sdl->sdl_alen];
				[interface setObject: addr forKey: key];
				continue;
			}
# endif

			addresses = [interface
			    objectForKey: OFNetworkInterfaceAddresses];
			if (addresses == nil) {
				addresses = [OFMutableData
				    dataWithItemSize: sizeof(OFSocketAddress)];
				[interface
				    setObject: addresses
				       forKey: OFNetworkInterfaceAddresses];
			}

			address = wrapSockaddr(iter->ifa_addr);
			[addresses addItem: &address];
		}
	} @finally {
		freeifaddrs(ifaddrs);
	}

	return interfaces;

}
#endif

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}
@end