158 lines
4.4 KiB
C
158 lines
4.4 KiB
C
/* $NetBSD: auth_none.c,v 1.13 2000/01/22 22:19:17 mycroft Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char *sccsid2 = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";
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static char *sccsid = "@(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC";
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* auth_none.c
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* Creates a client authentication handle for passing "null"
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* credentials and verifiers to remote systems.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include <rpc/auth.h>
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#include <rpc/clnt.h>
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#define MAX_MARSHAL_SIZE 20
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/*
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* Authenticator operations routines
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*/
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static bool_t authnone_marshal (AUTH *, uint32_t, XDR *, struct mbuf *);
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static void authnone_verf (AUTH *);
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static bool_t authnone_validate (AUTH *, uint32_t, struct opaque_auth *,
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struct mbuf **);
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static bool_t authnone_refresh (AUTH *, void *);
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static void authnone_destroy (AUTH *);
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static const struct auth_ops authnone_ops = {
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.ah_nextverf = authnone_verf,
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.ah_marshal = authnone_marshal,
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.ah_validate = authnone_validate,
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.ah_refresh = authnone_refresh,
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.ah_destroy = authnone_destroy,
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};
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struct authnone_private {
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AUTH no_client;
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char mclient[MAX_MARSHAL_SIZE];
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u_int mcnt;
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};
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static struct authnone_private authnone_private;
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static void
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authnone_init(void *dummy)
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{
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struct authnone_private *ap = &authnone_private;
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XDR xdrs;
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ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
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ap->no_client.ah_ops = &authnone_ops;
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xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
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xdr_opaque_auth(&xdrs, &ap->no_client.ah_cred);
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xdr_opaque_auth(&xdrs, &ap->no_client.ah_verf);
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ap->mcnt = XDR_GETPOS(&xdrs);
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XDR_DESTROY(&xdrs);
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}
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SYSINIT(authnone_init, SI_SUB_KMEM, SI_ORDER_ANY, authnone_init, NULL);
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AUTH *
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authnone_create()
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{
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struct authnone_private *ap = &authnone_private;
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return (&ap->no_client);
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}
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/*ARGSUSED*/
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static bool_t
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authnone_marshal(AUTH *client, uint32_t xid, XDR *xdrs, struct mbuf *args)
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{
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struct authnone_private *ap = &authnone_private;
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KASSERT(xdrs != NULL, ("authnone_marshal: xdrs is null"));
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if (!XDR_PUTBYTES(xdrs, ap->mclient, ap->mcnt))
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return (FALSE);
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xdrmbuf_append(xdrs, args);
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return (TRUE);
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}
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/* All these unused parameters are required to keep ANSI-C from grumbling */
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/*ARGSUSED*/
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static void
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authnone_verf(AUTH *client)
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{
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}
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/*ARGSUSED*/
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static bool_t
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authnone_validate(AUTH *client, uint32_t xid, struct opaque_auth *opaque,
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struct mbuf **mrepp)
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{
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return (TRUE);
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}
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/*ARGSUSED*/
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static bool_t
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authnone_refresh(AUTH *client, void *dummy)
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{
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return (FALSE);
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}
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/*ARGSUSED*/
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static void
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authnone_destroy(AUTH *client)
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{
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}
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