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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
/*
* auth_none.c
* Creates a client authentication handle for passing "null"
* credentials and verifiers to remote systems.
*/
#include <rpc/rpc.h>
#include <bits/libc-lock.h>
#define MAX_MARSHAL_SIZE 20
/*
* Authenticator operations routines
*/
static void authnone_verf (AUTH *);
static void authnone_destroy (AUTH *);
static bool_t authnone_marshal (AUTH *, XDR *);
static bool_t authnone_validate (AUTH *, struct opaque_auth *);
static bool_t authnone_refresh (AUTH *);
static struct auth_ops ops = {
authnone_verf,
authnone_marshal,
authnone_validate,
authnone_refresh,
authnone_destroy
};
/* Internal data and routines */
struct authnone_private_s {
AUTH no_client;
char marshalled_client[MAX_MARSHAL_SIZE];
u_int mcnt;
};
static struct authnone_private_s authnone_private;
__libc_once_define(static, authnone_private_guard);
static void authnone_create_once (void);
static void
authnone_create_once (void)
{
struct authnone_private_s *ap;
XDR xdr_stream;
XDR *xdrs;
ap = &authnone_private;
ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
ap->no_client.ah_ops = &ops;
xdrs = &xdr_stream;
INTUSE(xdrmem_create) (xdrs, ap->marshalled_client,
(u_int) MAX_MARSHAL_SIZE, XDR_ENCODE);
(void) INTUSE(xdr_opaque_auth) (xdrs, &ap->no_client.ah_cred);
(void) INTUSE(xdr_opaque_auth) (xdrs, &ap->no_client.ah_verf);
ap->mcnt = XDR_GETPOS (xdrs);
XDR_DESTROY (xdrs);
}
AUTH *
authnone_create (void)
{
__libc_once (authnone_private_guard, authnone_create_once);
return &authnone_private.no_client;
}
INTDEF (authnone_create)
static bool_t
authnone_marshal (AUTH *client, XDR *xdrs)
{
struct authnone_private_s *ap;
/* authnone_create returned authnone_private->no_client, which is
the first field of struct authnone_private_s. */
ap = (struct authnone_private_s *) client;
if (ap == NULL)
return FALSE;
return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt);
}
static void
authnone_verf (AUTH *auth)
{
}
static bool_t
authnone_validate (AUTH *auth, struct opaque_auth *oa)
{
return TRUE;
}
static bool_t
authnone_refresh (AUTH *auth)
{
return FALSE;
}
static void
authnone_destroy (AUTH *auth)
{
}
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