Ejemplo n.º 1
0
// toEnglishName searches the registry for an English name of a time zone
// whose zone names are stdname and dstname and returns the English name.
func toEnglishName(stdname, dstname string) (string, error) {
	var zones syscall.Handle
	p, _ := syscall.UTF16PtrFromString(`SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones`)
	if err := syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, p, 0, syscall.KEY_READ, &zones); err != nil {
		return "", err
	}
	defer syscall.RegCloseKey(zones)

	var count uint32
	if err := syscall.RegQueryInfoKey(zones, nil, nil, nil, &count, nil, nil, nil, nil, nil, nil, nil); err != nil {
		return "", err
	}

	var buf [50]uint16 // buf needs to be large enough to fit zone descriptions
	for i := uint32(0); i < count; i++ {
		n := uint32(len(buf))
		if syscall.RegEnumKeyEx(zones, i, &buf[0], &n, nil, nil, nil, nil) != nil {
			continue
		}
		kname := syscall.UTF16ToString(buf[:])
		matched, err := matchZoneKey(zones, kname, stdname, dstname)
		if err == nil && matched {
			return kname, nil
		}
	}
	return "", errors.New(`English name for time zone "` + stdname + `" not found in registry`)
}
Ejemplo n.º 2
0
func getTuntapComponentId() (string, error) {
	adapters, err := registry.OpenKey(registry.LOCAL_MACHINE, ADAPTER_KEY, registry.READ)
	if err != nil {
		return "", err
	}
	var i uint32
	for ; i < 1000; i++ {
		var name_length uint32 = TAPWIN32_MAX_REG_SIZE
		buf := make([]uint16, name_length)
		if err = syscall.RegEnumKeyEx(
			syscall.Handle(adapters),
			i,
			&buf[0],
			&name_length,
			nil,
			nil,
			nil,
			nil); err != nil {
			return "", err
		}
		key_name := syscall.UTF16ToString(buf[:])
		adapter, err := registry.OpenKey(adapters, key_name, registry.READ)
		if err != nil {
			return "", err
		}
		name := syscall.StringToUTF16("ComponentId")
		name2 := syscall.StringToUTF16("NetCfgInstanceId")
		var valtype uint32
		var component_id = make([]byte, TAPWIN32_MAX_REG_SIZE)
		var componentLen = uint32(len(component_id))
		if err = syscall.RegQueryValueEx(
			syscall.Handle(adapter),
			&name[0],
			nil,
			&valtype,
			&component_id[0],
			&componentLen); err != nil {
			return "", err
		}

		if unicodeTostring(component_id) == TUNTAP_COMPONENT_ID {
			var valtype uint32
			var netCfgInstanceId = make([]byte, TAPWIN32_MAX_REG_SIZE)
			var netCfgInstanceIdLen = uint32(len(netCfgInstanceId))
			if err = syscall.RegQueryValueEx(
				syscall.Handle(adapter),
				&name2[0],
				nil,
				&valtype,
				&netCfgInstanceId[0],
				&netCfgInstanceIdLen); err != nil {
				return "", err
			}
			fmt.Println("Device:", unicodeTostring(netCfgInstanceId))
			return unicodeTostring(netCfgInstanceId), nil
		}
	}
	return "", errors.New("not found component id")
}
Ejemplo n.º 3
0
func QueryKey(handle syscall.Handle, mylist *[1 << 10]string) (csubkeys uint32) {

	var cvalues uint32

	var achvalue []uint16

	cbName := uint32(255)
	if syscall.RegQueryInfoKey(handle, nil, nil, nil, &csubkeys, nil, nil, &cvalues, nil, nil, nil, nil) != nil {
		return
	}
	//fmt.Println(csubkeys, cvalues, mylist)
	if csubkeys != 0 {
		var buf [1 << 10]uint16
		for i := uint32(0); i < csubkeys; i = i + 1 {
			n := uint32(len(buf))
			//fmt.Println(i, int(csubkeys), achkey)
			if syscall.RegEnumKeyEx(handle, i, &buf[0], &n, nil, nil, nil, nil) != nil {

				return
			}
			ext := syscall.UTF16ToString(buf[:])
			//fmt.Println(i, ext, (*mylist)[i])
			(*mylist)[i] = ext
		}
	}
	//fmt.Println(mylist)
	if cvalues != 0 {
		var j uint32
		for j = 0; j < cvalues; j++ {
			if syscall.RegEnumKeyEx(handle, j, (*uint16)(unsafe.Pointer(&achvalue[0])), &cbName, nil, nil, nil, nil) != nil {
				return
			}

		}
	}
	return csubkeys
}
Ejemplo n.º 4
0
func initMime() {
	var root syscall.Handle
	rootpathp, _ := syscall.UTF16PtrFromString(`\`)
	if syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, rootpathp,
		0, syscall.KEY_READ, &root) != nil {
		return
	}
	defer syscall.RegCloseKey(root)
	var count uint32
	if syscall.RegQueryInfoKey(root, nil, nil, nil, &count, nil, nil, nil, nil, nil, nil, nil) != nil {
		return
	}
	var buf [1 << 10]uint16
	for i := uint32(0); i < count; i++ {
		n := uint32(len(buf))
		if syscall.RegEnumKeyEx(root, i, &buf[0], &n, nil, nil, nil, nil) != nil {
			continue
		}
		ext := syscall.UTF16ToString(buf[:])
		if len(ext) < 2 || ext[0] != '.' { // looking for extensions only
			continue
		}
		var h syscall.Handle
		extpathp, _ := syscall.UTF16PtrFromString(`\` + ext)
		if syscall.RegOpenKeyEx(
			syscall.HKEY_CLASSES_ROOT, extpathp,
			0, syscall.KEY_READ, &h) != nil {
			continue
		}
		var typ uint32
		n = uint32(len(buf) * 2) // api expects array of bytes, not uint16
		contenttypep, _ := syscall.UTF16PtrFromString("Content Type")
		if syscall.RegQueryValueEx(
			h, contenttypep,
			nil, &typ, (*byte)(unsafe.Pointer(&buf[0])), &n) != nil {
			syscall.RegCloseKey(h)
			continue
		}
		syscall.RegCloseKey(h)
		if typ != syscall.REG_SZ { // null terminated strings only
			continue
		}
		mimeType := syscall.UTF16ToString(buf[:])
		setExtensionType(ext, mimeType)
	}
}
Ejemplo n.º 5
0
// ReadSubKeyNames returns the names of subkeys of key k.
// The parameter n controls the number of returned names,
// analogous to the way os.File.Readdirnames works.
func (k Key) ReadSubKeyNames(n int) ([]string, error) {
	ki, err := k.Stat()
	if err != nil {
		return nil, err
	}
	names := make([]string, 0, ki.SubKeyCount)
	buf := make([]uint16, ki.MaxSubKeyLen+1) // extra room for terminating zero byte
loopItems:
	for i := uint32(0); ; i++ {
		if n > 0 {
			if len(names) == n {
				return names, nil
			}
		}
		l := uint32(len(buf))
		for {
			err := syscall.RegEnumKeyEx(syscall.Handle(k), i, &buf[0], &l, nil, nil, nil, nil)
			if err == nil {
				break
			}
			if err == syscall.ERROR_MORE_DATA {
				// Double buffer size and try again.
				l = uint32(2 * len(buf))
				buf = make([]uint16, l)
				continue
			}
			if err == _ERROR_NO_MORE_ITEMS {
				break loopItems
			}
			return names, err
		}
		names = append(names, syscall.UTF16ToString(buf[:l]))
	}
	if n > len(names) {
		return names, io.EOF
	}
	return names, nil
}
Ejemplo n.º 6
0
func queryAdapters(handle syscall.Handle) (*Interface, error) {
	var dev Interface
	var index uint32
	for {
		var length uint32 = 72
		adapter := make([]uint16, length)
		err := syscall.RegEnumKeyEx(handle, index, &adapter[0], &length, nil, nil, nil, nil)
		if err == NO_MORE_ITEMS {
			Log(Warning, "No more items in Windows Registry")
			break
		}
		index++
		adapterID := string(utf16.Decode(adapter[0:length]))
		adapterID = removeZeroes(adapterID)
		path := fmt.Sprintf("%s\\%s\\Connection", NETWORK_KEY, adapterID)
		var iHandle syscall.Handle
		err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &iHandle)
		if err != nil {
			syscall.RegCloseKey(iHandle)
			continue
		}
		length = 1024
		aName := make([]byte, length)
		err = syscall.RegQueryValueEx(iHandle, syscall.StringToUTF16Ptr("Name"), nil, nil, &aName[0], &length)

		if err != nil {
			syscall.RegCloseKey(iHandle)
			continue
		}

		aNameUtf16 := make([]uint16, length/2)
		for i := 0; i < int(length)-2; i += 2 {
			aNameUtf16[i/2] = binary.LittleEndian.Uint16(aName[i:])
		}
		aNameUtf16[length/2-1] = 0

		adapterName := string(utf16.Decode(aNameUtf16))
		adapterName = removeZeroes(adapterName)
		Log(Warning, "AdapterName : %s, len : %d", adapterName, len(adapterName))

		var isInUse = false
		for _, i := range UsedInterfaces {
			if i == adapterName {
				isInUse = true
			}
		}
		if isInUse {
			Log(Warning, "Adapter already in use. Skipping.")
			continue
		}
		UsedInterfaces = append(UsedInterfaces, adapterName)

		tapname := fmt.Sprintf("%s%s%s", USERMODE_DEVICE_DIR, adapterID, TAP_SUFFIX)

		dev.file, err = syscall.CreateFile(syscall.StringToUTF16Ptr(tapname),
			syscall.GENERIC_WRITE|syscall.GENERIC_READ,
			0,
			nil,
			syscall.OPEN_EXISTING,
			syscall.FILE_ATTRIBUTE_SYSTEM|syscall.FILE_FLAG_OVERLAPPED,
			0)
		if err != nil {
			syscall.CloseHandle(dev.Handle)
			continue
		}
		Log(Info, "Acquired control over TAP interface: %s", adapterName)
		dev.Name = adapterID
		dev.Interface = adapterName
		return &dev, nil
	}
	return nil, nil
}