extraSidAtts[i] = new PacSidAttributes(sid, attributes[i]);
                }
            }

            // ID for resource domain (used with relative IDs to get SIDs)
            SID resourceDomainId = null;
            if (resourceDomainIdPointer != 0) {
                resourceDomainId = pacStream.readSid();
            }

        // RID = 0x12345678 (305419896 in decimal, little-endian)
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        SID sid = pdis.readId();
        // The readId method creates a SID with authority 5 and the RID value
        // Expected format: S-1-5-305419896
        String sidString = sid.toString();
        assertNotNull(sidString);

     * @return the SID object
     * @throws IOException if an I/O error occurs
     * @throws PACDecodingException if the SID data is invalid
     */
    public SID readSid() throws IOException, PACDecodingException {
        final int sidSize = readInt();
        final byte[] bytes = new byte[8 + sidSize * 4];
        readFully(bytes);
        return new SID(bytes, 0);
    }

        DataOutputStream dos = new DataOutputStream(baos);

        // Write a RID (4 bytes) for readId() method
        writeLittleEndianInt(dos, 1000);

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        PacDataInputStream pacStream = new PacDataInputStream(bais);

        SID id = pacStream.readId();
        assertNotNull(id);
        // The RID should be incorporated into the SID

        doAnswer(new Answer<Void>() {
            @Override
            public Void answer(InvocationOnMock invocation) throws Throwable {
                SmbComReadAndX readCmd = invocation.getArgument(0);
                SmbComReadAndXResponse response = invocation.getArgument(1);
                response.dataLength = 1;
                // The response buffer points to the internal tmp buffer