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/* $OpenBSD: auth_none.c,v 1.10 2006/03/31 18:28:55 deraadt Exp $ */
/*
* 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
*/
/*
* auth_none.c
* Creates a client authentication handle for passing "null"
* credentials and verifiers to remote systems.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <stdlib.h>
#include <rpc/types.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
#define MAX_MARSHEL_SIZE 20
/*
* Authenticator operations routines
*/
static void authnone_destroy(struct __rpc_auth *);
static void authnone_verf(struct __rpc_auth *);
static bool_t authnone_validate(struct __rpc_auth *, struct opaque_auth *);
static bool_t authnone_marshal(struct __rpc_auth *, XDR *);
static bool_t authnone_refresh(struct __rpc_auth *);
static struct auth_ops ops = {
authnone_verf,
authnone_marshal,
authnone_validate,
authnone_refresh,
authnone_destroy
};
static struct authnone_private {
AUTH no_client;
char marshalled_client[MAX_MARSHEL_SIZE];
u_int mcnt;
} *authnone_private;
AUTH *
authnone_create(void)
{
struct authnone_private *ap = authnone_private;
XDR xdr_stream;
XDR *xdrs;
if (ap == NULL) {
ap = (struct authnone_private *)calloc(1, sizeof (*ap));
if (ap == NULL)
return (NULL);
authnone_private = ap;
}
if (!ap->mcnt) {
ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
ap->no_client.ah_ops = &ops;
xdrs = &xdr_stream;
xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE,
XDR_ENCODE);
(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
ap->mcnt = XDR_GETPOS(xdrs);
XDR_DESTROY(xdrs);
}
return (&ap->no_client);
}
/*ARGSUSED*/
static bool_t
authnone_marshal(AUTH *client, XDR *xdrs)
{
struct authnone_private *ap = authnone_private;
if (ap == NULL)
return (0);
return ((*xdrs->x_ops->x_putbytes)(xdrs,
ap->marshalled_client, ap->mcnt));
}
/*ARGSUSED*/
static void
authnone_verf(struct __rpc_auth *none)
{
}
/*ARGSUSED*/
static bool_t
authnone_validate(struct __rpc_auth *none, struct opaque_auth *noauth)
{
return (TRUE);
}
/*ARGSUSED*/
static bool_t
authnone_refresh(struct __rpc_auth *none)
{
return (FALSE);
}
/*ARGSUSED*/
static void
authnone_destroy(struct __rpc_auth *none)
{
}
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