NAME
   DCE::Perl::RPC - Perl extension for DCE RPC protocol composer/parser

SYNOPSIS
   use DCE::Perl::RPC; use constant DCOM_IREMOTEACTIVATION => pack("H32",
   "B84A9F4D1C7DCF11861E0020AF6E7C57"); use constant DCOM_IF_VERSION =>
   pack("V", 0); use constant DCOM_XFER_SYNTAX => pack("H32",
   "045D888AEB1CC9119FE808002B104860"); use constant
   DCOM_XFER_SYNTAX_VERSION => pack("V", 2);

       $rpc = new DCE::Perl::RPC;
       $bind_msg = $rpc->rpc_bind(1, DCOM_IREMOTEACTIVATION . DCOM_IF_VERSION,
           (DCOM_XFER_SYNTAX . DCOM_XFER_SYNTAX_VERSION, $nltm_negotiate_msg);
       $bind_resp_msg = $rpc->rpc_bind_resp($ntlm_auth_msg);
       $request_msg = $rpc->rpc_co_request("Hi, there! This is Stub!", 1, 0x0e, DCOM_IREMOTEACTIVATION, "Authentication Credentials");
       $alt_ctx_msg = $rpc->rpc_alt_ctx(1, DCOM_IREMOTEACTIVATION . DCOM_IF_VERSION,
           (DCOM_XFER_SYNTAX . DCOM_XFER_SYNTAX_VERSION));

DESCRIPTION
   The DCE RPC protocol is an application level protocol from OpenGroup
   that allows applications to do Remote Procedure Calls. It is the
   underlying wire protocol for DCOM (Distributed Common Object Model) by
   Microsoft.

   This module was motivated by an reverse-engineering effort on a DCOM
   client. Therefore, functions that are implemented gear more toward
   client side implementation. Also, the initial version only supports
   Connection Oriented version of DCE RPC. It also assumes NTLMSSP as the
   underlying authentication protocol. This can change based on the input
   of the users of this modules.

DEPENDENCIES
   There is no dependencies for this module. However, to build a DCOM
   client running in Microsoft environment, you may need to install an NTLM
   module such as Authen::Perl::NTLM.

ASSUMPTIONS
   1) The version of DCE RPC Connection Oriented protocol supported is 5.0.

   2) NTLM is the authentication scheme of choice.

   3) AUTH_LEVEL_CONNECT is the authentication level of choice.

   4) Network Data Representation (NDR) is assumed to be ASCII for
   characters, little endian for integers and IEEE for floating points.

   5) Call Id is always zero. It seems to me my client works regardless of
   the value of call id.

TO-DO
   1) Support fragmented CO Requests.

   2) Put authentication type as an argument in the constructor.

   3) Implement Connection Oriented server side functions.

   4) Implement Connection-less functions.

   5) Implement the module in C.

BUGS
   Nothing known.

AUTHOR
   This implementation was written by Yee Man Chan ([email protected]).
   Copyright (c) 2002 Yee Man Chan. All rights reserved. This program is
   free software; you can redistribute it and/or modify it under the same
   terms as Perl itself.

SEE ALSO
   Authen::Perl::NTLM(3), perl(1), m4(1).

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