return this.pipe;
    }


    @Override
    public SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        if ( this.treeHandle == null ) {
            // extra acquire to keep the tree alive
            this.treeHandle = this.pipe.ensureTreeConnected();
        }
        return this.treeHandle.acquire();
    }


    public String getUncPath () {

        return this.handle != null && this.handle.isValid();
    }


    protected synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        if ( !isOpen() ) {
            // one extra acquire to keep this open till the stream is released
            this.handle = this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, 0).acquire();
            if ( this.append ) {

     * @return
     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released
            if ( this.file instanceof SmbNamedPipe ) {
                this.handle = this.file.openUnshared(
                    SmbConstants.O_EXCL,

         * technique that NTLMv2 specifically thwarts. A real NTLM Filter would
         * need to do a NETLOGON RPC that JCIFS will likely never implement
         * because it requires a lot of extra crypto not used by CIFS.
         */
        p.setProperty("jcifs.smb.lmCompatibility", "0");
        p.setProperty("jcifs.smb.client.useExtendedSecurity", "false");

         * techinque that NTLMv2 specifically thwarts. A real NTLM Filter would
         * need to do a NETLOGON RPC that JCIFS will likely never implement
         * because it requires a lot of extra crypto not used by CIFS.
         */
        Config.setProperty( "jcifs.smb1.smb.lmCompatibility", "0" );
        Config.setProperty( "jcifs.smb1.smb.client.useExtendedSecurity", "false" );

 
            if( wordCount > 2 ) {
                readParameterWordsWireFormat( buffer, bufferIndex + 4 );

                /* The SMB_COM_NT_CREATE_ANDX response wordCount is wrong. There's an
                 * extra 16 bytes for some "Offline Files (CSC or Client Side Caching)"
                 * junk. We need to bump up the wordCount here so that this method returns

            // User flags about PAC Logon Info content
            this.userFlags = pacStream.readInt();
            boolean hasExtraSids = ( this.userFlags & PacConstants.LOGON_EXTRA_SIDS ) == PacConstants.LOGON_EXTRA_SIDS;
            boolean hasResourceGroups = ( this.userFlags & PacConstants.LOGON_RESOURCE_GROUPS ) == PacConstants.LOGON_RESOURCE_GROUPS;

            // Skip some reserved fields (User Session Key)

    static final int CLIENT_UPN_TYPE = 0xC;
    static final int CLIENT_CLAIMS_TYPE = 0xD;
    static final int DEVICE_INFO_TYPE = 0xE;
    static final int DEVICE_CLAIMS_TYPE = 0xF;

    static final int LOGON_EXTRA_SIDS = 0x20;
    static final int LOGON_RESOURCE_GROUPS = 0x200;

    static final int MD5_KRB_SALT = 17;
    static final int MD5_BLOCK_LENGTH = 64;

     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        // ensure file is open
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released
            this.handle = this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, this.options).acquire();
            return this.handle;

     *
     * @param data
     *            The data.
     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     * @param extraPad
     *            extra padding to include in signature
     * @param msg
     *            The message to verify
     * @return whether verification was unsuccessful
     */