internal const val B1_MASK_LENGTH = 127

  internal const val OPCODE_CONTINUATION = 0x0
  internal const val OPCODE_TEXT = 0x1
  internal const val OPCODE_BINARY = 0x2

  internal const val OPCODE_CONTROL_CLOSE = 0x8
  internal const val OPCODE_CONTROL_PING = 0x9
  internal const val OPCODE_CONTROL_PONG = 0xa

  /**
   * Maximum length of frame payload. Larger payloads, if supported by the frame type, can use the

      0x5,
      0x25,
      0x26,
      0x27,
      0x6,
      0x74,
      0x75,
      0x28,
      0x29,
      0x2a,
      0x7,
      0x2b,
      0x76,
      0x2c,
      0x8,
      0x9,
      0x2d,
      0x77,
      0x78,
      0x79,
      0x7a,
      0x7b,
      0x7ffe,
      0x7fc,
      0x3ffd,
      0x1ffd,
      0xffffffc,
      0xfffe6,

0xa8, 0x19, 0x3b, 0x8a, 0x5b, 0xa, 0x51, 0x77, 0xc5, 0x78, 0x27, 0xc1, 0xeb, 0x4e, 0x90, 0x3f, 0xac, 0xff, 0xfb, 0x81, 0x7d, 0x8, 0x4a, 0xf8, 0x27, 0xb0, 0x98, 0xbc, 0xcb, 0x87, 0xdd, 0x77, 0xad, 0x66, 0x7e, 0x74, 0xff, 0xb6, 0x3f, 0x6a, 0x93, 0x26, 0xeb, 0xa7, 0x83, 0xc9, 0x1f, 0x5c, 0x4c, 0xb0, 0x1a, 0xfe, 0x61, 0x8, 0xad, 0x47, 0x3e, 0x58, 0x8e, 0xe9, 0x2e, 0x1a, 0x31, 0x8, 0x82, 0x78, 0x7, 0xcc, 0x87, 0xe5, 0x29, 0x6a, 0xf0, 0xd5, 0xcc, 0x8d, 0x91, 0x46, 0xd, 0xb5, 0xb0, 0x74, 0x73, 0xc1, 0x23,...

     * Notify when file attributes change
     */
    public static final int FILE_NOTIFY_CHANGE_ATTRIBUTES = 0x4;
    /**
     * Notify when file size changes
     */
    public static final int FILE_NOTIFY_CHANGE_SIZE = 0x8;
    /**
     * Notify when last write time changes
     */
    public static final int FILE_NOTIFY_CHANGE_LAST_WRITE = 0x10;
    /**
     * Notify when last access time changes
     */

    void testOplockLevelConstants() {
        assertEquals((byte) 0x0, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_NONE);
        assertEquals((byte) 0x1, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_II);
        assertEquals((byte) 0x8, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_EXCLUSIVE);
        assertEquals((byte) 0x9, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_BATCH);
        assertEquals((byte) 0xFF, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_LEASE);
    }

    @Test

        assertEquals(0x4, SecurityInfo.DACL_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test SACL_SECURITY_INFO constant value")
    void testSaclSecurityInfo() {
        assertEquals(0x8, SecurityInfo.SACL_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test LABEL_SECURITY_INFO constant value")
    void testLabelSecurityInfo() {
        assertEquals(0x10, SecurityInfo.LABEL_SECURITY_INFO);
    }

		0xe0, 0x4b, 0x65, 0xe9, 0x24,
		0x56, 0xd9, 0x88, 0x8b, 0x52, 0xb3, 0x79, 0xbd, 0xfb, 0xd5, 0x1e, 0xe8,
		0x69, 0xef, 0x1f, 0xf, 0xc6, 0x5b, 0x66, 0x59, 0x69, 0x5b, 0x6c, 0xce,
		0x8, 0x17, 0x23,
	}) {
		t.Fatalf("Bad key[0].Y, got %v", key0.Y.Bytes())
	} else if key1.E != 0x10001 {
		t.Fatalf("Bad key[1].E: %d", key1.E)
	} else if !bytes.Equal(key1.N.Bytes(), []byte{

    /**
     * Level II oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_II = 0x1;
    /**
     * Exclusive oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_EXCLUSIVE = 0x8;
    /**
     * Batch oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_BATCH = 0x9;
    /**
     * Lease-based oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_LEASE = (byte) 0xFF;

func (h *FileHeader) isZip64() bool {
	return h.CompressedSize64 >= uint32max || h.UncompressedSize64 >= uint32max
}

func (h *FileHeader) hasDataDescriptor() bool {
	return h.Flags&0x8 != 0
}

func msdosModeToFileMode(m uint32) (mode fs.FileMode) {
	if m&msdosDir != 0 {
		mode = fs.ModeDir | 0777
	} else {
		mode = 0666
	}
	if m&msdosReadOnly != 0 {
		mode &^= 0222
	}

0xa8, 0x19, 0x3b, 0x8a, 0x5b, 0xa, 0x51, 0x77, 0xc5, 0x78, 0x27, 0xc1, 0xeb, 0x4e, 0x90, 0x3f, 0xac, 0xff, 0xfb, 0x81, 0x7d, 0x8, 0x4a, 0xf8, 0x27, 0xb0, 0x98, 0xbc, 0xcb, 0x87, 0xdd, 0x77, 0xad, 0x66, 0x7e, 0x74, 0xff, 0xb6, 0x3f, 0x6a, 0x93, 0x26, 0xeb, 0xa7, 0x83, 0xc9, 0x1f, 0x5c, 0x4c, 0xb0, 0x1a, 0xfe, 0x61, 0x8, 0xad, 0x47, 0x3e, 0x58, 0x8e, 0xe9, 0x2e, 0x1a, 0x31, 0x8, 0x82, 0x78, 0x7, 0xcc, 0x87, 0xe5, 0x29, 0x6a, 0xf0, 0xd5, 0xcc, 0x8d, 0x91, 0x46, 0xd, 0xb5, 0xb0, 0x74, 0x73, 0xc1, 0x23,...