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/* Definitions for the authentication server
   Copyright (C) 1991, 1992, 1993, 1994, 1996 Free Software Foundation

This file is part of the GNU Hurd.

The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

subsystem auth 25000;

#include <hurd/hurd_types.defs>

#ifdef AUTH_IMPORTS
AUTH_IMPORTS
#endif

INTR_INTERFACE

/* Throughout, uid's and gid's are passed as arrays.  One of these
   arrays is called the "effective" ids; these id's should be used to
   compute whether a given user is permitted a given operation.  The
   other array is called the "available" ids; these should not be used
   for such computation (though they can be turned into effective ids
   when calling auth_makeauth).  The first available id is
   conventionally called the "real" id, and the second the "saved" id.  */

/* Given an authentication handle, return the identification. */
routine auth_getids (
	handle: auth_t;
	out euids: idarray_t;
	out auids: idarray_t;
	out egids: idarray_t;
	out agids: idarray_t);

/* Create a new authentication handle.  */
routine auth_makeauth (
	handle: auth_t;
	other_handles: portarray_t;
	euids: idarray_t;
	auids: idarray_t;
	egids: idarray_t;
	agids: idarray_t;
	out newhandle: mach_port_make_send_t);

/* Called by a user in a reauthentication transaction.  The rendezvous
   port is used to match the request up with the server's
   auth_server_authenticate call.  The newport is a port provided by
   the server.  */
routine auth_user_authenticate (
	handle: auth_t;
	rendezvous: mach_port_t;
	rendezvous2: mach_port_send_t;
	out newport: mach_port_send_t);

/* Called by a server in a reauthentication transaction.  The
   rendezvous port is used to match the request up with the user's
   auth_user_authenticate call.  The newport is passed to the user
   through the authentication server.  The identification information
   is returned.  */
routine auth_server_authenticate (
	handle: auth_t;
	sreplyport reply: mach_port_poly_t;
	rendezvous: mach_port_send_t;
	rendezvous2: mach_port_send_t;
	newport: mach_port_poly_t;
	out euids: idarray_t;
	out auids: idarray_t;
	out egids: idarray_t;
	out agids: idarray_t);