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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* auth_none.c
* Creates a client authentication handle for passing "null"
* credentials and verifiers to remote systems.
*/
#include "mt.h"
#include "rpc_mt.h"
#include <stdlib.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
#define MAX_MARSHEL_SIZE 20
extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);
static struct auth_ops *authnone_ops(void);
static struct authnone_private {
AUTH no_client;
char marshalled_client[MAX_MARSHEL_SIZE];
uint_t mcnt;
} *authnone_private;
AUTH *
authnone_create(void)
{
struct authnone_private *ap;
XDR xdr_stream;
XDR *xdrs;
extern mutex_t authnone_lock;
/* VARIABLES PROTECTED BY authnone_lock: ap */
(void) mutex_lock(&authnone_lock);
ap = authnone_private;
if (ap == NULL) {
ap = calloc(1, sizeof (*ap));
if (ap == NULL) {
(void) mutex_unlock(&authnone_lock);
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 = authnone_ops();
xdrs = &xdr_stream;
xdrmem_create(xdrs, ap->marshalled_client,
(uint_t)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);
}
(void) mutex_unlock(&authnone_lock);
return (&ap->no_client);
}
/*ARGSUSED*/
static bool_t
authnone_marshal(AUTH *client, XDR *xdrs)
{
struct authnone_private *ap;
bool_t res;
extern mutex_t authnone_lock;
(void) mutex_lock(&authnone_lock);
ap = authnone_private;
if (ap == NULL) {
(void) mutex_unlock(&authnone_lock);
return (FALSE);
}
res = (*xdrs->x_ops->x_putbytes)(xdrs,
ap->marshalled_client, ap->mcnt);
(void) mutex_unlock(&authnone_lock);
return (res);
}
/* All these unused parameters are required to keep ANSI-C from grumbling */
/*ARGSUSED*/
static void
authnone_verf(AUTH *client)
{
}
/*ARGSUSED*/
static bool_t
authnone_validate(AUTH *client, struct opaque_auth *opaque)
{
return (TRUE);
}
/*ARGSUSED*/
static bool_t
authnone_refresh(AUTH *client, void *dummy)
{
return (FALSE);
}
/*ARGSUSED*/
static void
authnone_destroy(AUTH *client)
{
}
static struct auth_ops *
authnone_ops(void)
{
static struct auth_ops ops;
extern mutex_t ops_lock;
/* VARIABLES PROTECTED BY ops_lock: ops */
(void) mutex_lock(&ops_lock);
if (ops.ah_nextverf == NULL) {
ops.ah_nextverf = authnone_verf;
ops.ah_marshal = authnone_marshal;
ops.ah_validate = authnone_validate;
ops.ah_refresh = authnone_refresh;
ops.ah_destroy = authnone_destroy;
}
(void) mutex_unlock(&ops_lock);
return (&ops);
}
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