// create it if necessary
                if ( ( flags & SmbConstants.O_EXCL ) == SmbConstants.O_EXCL ) {
                    // fail if already exists
                    this.openFunction = OPEN_FN_CREATE | OPEN_FN_FAIL_IF_EXISTS;
                }
                else {
                    this.openFunction = OPEN_FN_CREATE | OPEN_FN_OPEN;
                }
            }

    static final int FLAGS_COPY_SOURCE_MODE_ASCII = 0x0008;
    static final int FLAGS_VERIFY_ALL_WRITES = 0x0010;
    static final int FLAGS_TREE_COPY = 0x0020;

    // open function
    static final int OPEN_FUNCTION_FAIL_IF_EXISTS = 0x0000;
    static final int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    static final int SECURITY_SHARE = 0x00;
    static final int SECURITY_USER = 0x01;

    static final int CMD_OFFSET = 4;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_UNLOCK = 0x4;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_FAIL_IMMEDIATELY = 0x10;

    private long offset;
    private long length;
    private int flags;


    /**
     * @param offset
     * @param length
     * @param flags
     */

                // create it if necessary
                if(( flags & SmbFile.O_EXCL ) == SmbFile.O_EXCL ) {
                    // fail if already exists
                    openFunction = OPEN_FN_CREATE | OPEN_FN_FAIL_IF_EXISTS;
                } else {
                    openFunction = OPEN_FN_CREATE | OPEN_FN_OPEN;
                }
            } else {

 * descriptor ACEs:
 * 
 * <pre>
 * Allow WNET\alice     0x001200A9  Direct
 * Allow Administrators 0x001F01FF  Inherited
 * Allow SYSTEM         0x001F01FF  Inherited
 * </pre>
 * 
 * the access check would fail because the direct ACE has an access mask
 * of <tt>0x001200A9</tt> which doesn't have the
 * <tt>FILE_WRITE_DATA</tt> bit on (bit <tt>0x00000002</tt>). Actually, this isn't quite correct. If

The second parameter specifies how the file should be shared. If
<code>SmbFile.FILE_NO_SHARE</code> is specified the client will
have exclusive access to the file. An additional open command
from jCIFS or another application will fail with the "file is being
accessed by another process" error. The <code>FILE_SHARE_READ</code>,
<code>FILE_SHARE_WRITE</code>, and <code>FILE_SHARE_DELETE</code> may be

        return new KerberosKey(null, keybytes, etype, 0);
    }


    private static void checkBytes ( byte[] expect, byte[] have ) {
        if ( !Arrays.equals(expect, have) ) {
            Assert.fail(String.format("Expect: %s Have: %s", Hexdump.toHexString(expect), Hexdump.toHexString(have)));
        }
    }


    private static void verifyNfold ( int n, String string, String expect ) {

    static final int FLAGS_VERIFY_ALL_WRITES           = 0x0010; 
    static final int FLAGS_TREE_COPY                   = 0x0020; 

    // open function
    static final int OPEN_FUNCTION_FAIL_IF_EXISTS      = 0x0000;
    static final int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    static final int PID = (int)( Math.random() * 65536d );

    static final int SECURITY_SHARE = 0x00;

         * for the addresses hostname or failed lookups for one type will
         * be cached and cause other types to fail even though they may
         * not be the authority for the name. For example, if a WINS lookup
         * for FOO fails and caches unknownAddress for FOO, a subsequent
         * lookup for FOO using BCAST should not fail because of that
         * name cached from WINS.
         *

 * descriptor ACEs:
 * <pre>
 * Allow WNET\alice     0x001200A9  Direct
 * Allow Administrators 0x001F01FF  Inherited
 * Allow SYSTEM         0x001F01FF  Inherited
 * </pre>
 * the access check would fail because the direct ACE has an access mask
 * of <tt>0x001200A9</tt> which doesn't have the
 * <tt>FILE_WRITE_DATA</tt> bit on (bit <tt>0x00000002</tt>). Actually, this isn't quite correct. If