Examples of jcifs.dcerpc.ndr.NdrBuffer

jcifs.dcerpc.ndr.NdrBuffer

        throw new DcerpcException("DCERPC transport not supported: " + url);
    }


    public void sendrecv(DcerpcMessage msg) throws DcerpcException, IOException {
        byte[] stub, frag;
        NdrBuffer buf, fbuf;
        boolean isLast, isDirect;
        DcerpcException de;


        if (state == 0) {
            state = 1;
            DcerpcMessage bind = new DcerpcBind(binding, this);
            sendrecv(bind);
        }


        isDirect = msg instanceof DcerpcBind;


        try {
            stub = jcifs.smb.BufferCache.getBuffer();
        } catch (InterruptedException ie) {
            throw new IOException(ie.getMessage());
        }
        try {
            int off, tot, n;


            buf = new NdrBuffer(stub, 0);


            msg.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
            msg.call_id = call_id;


            msg.encode(buf);


            tot = buf.getLength();
            off = 0;
            while (off < tot) {
                msg.call_id = call_id++;


                if ((tot - off) > max_xmit) {
                    /* Multiple fragments. Need to set flags and length
                     * and re-encode header
                    msg.length = n = max_xmit;
                    msg.flags &= ~DCERPC_LAST_FRAG;
                    buf.start = off;
                    buf.reset();
                    msg.encode_header(buf);
                     */
                    throw new DcerpcException("Fragmented request PDUs currently not supported");
                } else {
                    n = tot - off;
                }


                doSendFragment(stub, off, n, isDirect);
                off += n;
            }


            doReceiveFragment(stub, isDirect);
            buf.reset();
            msg.decode_header(buf);


            off = 24;
            if (msg.ptype == 2 && msg.isFlagSet(DCERPC_LAST_FRAG) == false)
                off = msg.length;


            frag = null;
            fbuf = null;
            while (msg.isFlagSet(DCERPC_LAST_FRAG) == false) {
                int stub_frag_len;


                if (frag == null) {
                    frag = new byte[max_recv];
                    fbuf = new NdrBuffer(frag, 0);
                }


                doReceiveFragment(frag, isDirect);
                fbuf.reset();
                msg.decode_header(fbuf);
                stub_frag_len = msg.length - 24;


                if ((off + stub_frag_len) > stub.length) {
                    // shouldn't happen if alloc_hint is correct or greater
                    byte[] tmp = new byte[off + stub_frag_len];
                    System.arraycopy(stub, 0, tmp, 0, off);
                    stub = tmp;
                }


                System.arraycopy(frag, 24, stub, off, stub_frag_len);
                off += stub_frag_len;
            }


            buf = new NdrBuffer(stub, 0);
            msg.decode(buf);
        } finally {
            jcifs.smb.BufferCache.releaseBuffer(stub);
        }

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        }
}
    }
    public void sendrecv(DcerpcMessage msg) throws DcerpcException, IOException {
        byte[] stub, frag;
        NdrBuffer buf, fbuf;
        boolean isLast, isDirect;
        DcerpcException de;


        if (state == 0) {
            bind();
        }


        isDirect = true;


        stub = jcifs.smb.BufferCache.getBuffer();
        try {
            int off, tot, n;


            buf = new NdrBuffer(stub, 0);


            msg.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
            msg.call_id = call_id++;


            msg.encode(buf);


            if (securityProvider != null) {
                buf.setIndex(0);
                securityProvider.wrap(buf);
            }


            tot = buf.getLength() - 24;
            off = 0;


            while (off < tot) {
                n = tot - off;


                if ((24 + n) > max_xmit) {
                    msg.flags &= ~DCERPC_LAST_FRAG;
                    n = max_xmit - 24;
                } else {
                    msg.flags |= DCERPC_LAST_FRAG;
                    isDirect = false;
                    msg.alloc_hint = n;
                }


                msg.length = 24 + n;


                if (off > 0)
                    msg.flags &= ~DCERPC_FIRST_FRAG;


                if ((msg.flags & (DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG)) != (DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG)) {
                    buf.start = off;
                    buf.reset();
                    msg.encode_header(buf);
                    buf.enc_ndr_long(msg.alloc_hint);
                    buf.enc_ndr_short(0); /* context id */
                    buf.enc_ndr_short(msg.getOpnum());
                }


                doSendFragment(stub, off, msg.length, isDirect);
                off += n;
            }


            doReceiveFragment(stub, isDirect);
            buf.reset();
            buf.setIndex(8);
            buf.setLength(buf.dec_ndr_short());


            if (securityProvider != null)
                securityProvider.unwrap(buf);


            buf.setIndex(0);


            msg.decode_header(buf);


            off = 24;
            if (msg.ptype == 2 && msg.isFlagSet(DCERPC_LAST_FRAG) == false)
                off = msg.length;


            frag = null;
            fbuf = null;
            while (msg.isFlagSet(DCERPC_LAST_FRAG) == false) {
                int stub_frag_len;


                if (frag == null) {
                    frag = new byte[max_recv];
                    fbuf = new NdrBuffer(frag, 0);
                }


                doReceiveFragment(frag, isDirect);
                fbuf.reset();
                fbuf.setIndex(8);
                fbuf.setLength(fbuf.dec_ndr_short());


                if (securityProvider != null)
                    securityProvider.unwrap(fbuf);


                fbuf.reset();
                msg.decode_header(fbuf);
                stub_frag_len = msg.length - 24;


                if ((off + stub_frag_len) > stub.length) {
                    // shouldn't happen if alloc_hint is correct or greater
                    byte[] tmp = new byte[off + stub_frag_len];
                    System.arraycopy(stub, 0, tmp, 0, off);
                    stub = tmp;
                }


                System.arraycopy(frag, 24, stub, off, stub_frag_len);
                off += stub_frag_len;
            }


            buf = new NdrBuffer(stub, 0);
            msg.decode(buf);
        } finally {
            jcifs.smb.BufferCache.releaseBuffer(stub);
        }

View Full Code Here


    int index = ndrBuffer.index;


    ndrBuffer.advance(8);


    NdrBuffer derivedNrdBuffer = ndrBuffer.derive(index);


    for (int i = 0; i < 8; i++) {
      derivedNrdBuffer.enc_ndr_small(_clientCredential[i]);
    }


    ndrBuffer.enc_ndr_long(_negotiateFlags);
  }

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