* This operation releases resources associated with the handle.
     */
    public static class SamrCloseHandle extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x01;
        }

        /** The return value of the operation */
        public int retval;
        /** The handle to be closed */
        public rpc.policy_handle handle;

        /**

        this.sid = sid;
        this.resumeKey = resumeKey;
        this.filename = filename;
        this.informationLevel = Trans2FindFirst2.SMB_FILE_BOTH_DIRECTORY_INFO;
        this.tflags = 0x00;
        this.maxParameterCount = 8;
        this.maxItems = batchCount;
        this.maxDataCount = batchSize;
        this.maxSetupCount = 0;
    }

    @Override

        return 0;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(this.path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override

        assertTrue(str.contains("name=test.txt"), "The file name should appear");
        // securityFlags are set to 0x03 – verify hex sequence
        assertTrue(str.contains("securityFlags=0x03"), "securityFlags should be present");
    }

    /**
     * Fetch a private field value via reflection.  This helper keeps the

     */
    public void performChannelBinding(ChannelInfo channel) throws IOException {
        // MS-SMB2 3.2.4.1.6: Alternative Channel Creation
        // Channel binding requires SMB2_SESSION_FLAG_BINDING (0x01) in session setup

        // Calculate channel binding hash per MS-SMB2 3.2.5.3.1
        byte[] bindingInfo = calculateBindingInfo(channel);
        byte[] bindingHash = calculateBindingHash(bindingInfo);

	for _, c := range s {
		if c >= 0x80 || c == 0x00 {
			return false
		}
	}
	return true
}

// toASCII converts the input to an ASCII C-style string.
// This is a best effort conversion, so invalid characters are dropped.
func toASCII(s string) string {
	if isASCII(s) {
		return s
	}
	b := make([]byte, 0, len(s))
	for _, c := range s {
		if c < 0x80 && c != 0x00 {
			b = append(b, byte(c))
		}
	}

        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(path, dst, dstIndex);
        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

                Name name;
                NbtAddress addr;
                char c = '.';

                ip = i = 0;
                for (; i < data.length && c == '.'; i++) {
                    int b = 0x00;

                    for (; i < data.length && (c = data[i]) >= 48 && c <= 57; i++) {
                        b = b * 10 + c - '0';
                    }
                    ip = (ip << 8) + b;
                }

        }

        off -= 4;

        b[off + 0] = (byte) SessionServicePacket.SESSION_MESSAGE;
        b[off + 1] = (byte) 0x00;
        b[off + 2] = (byte) (len >> 8 & 0xFF);
        b[off + 3] = (byte) (len & 0xFF);

        out.write(b, off, 4 + len);
    }

        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {