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RPC(3): Import from FreeBSD
This commit is contained in:
Sebastian Huber
177
freebsd/lib/libc/rpc/auth_none.c
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177
freebsd/lib/libc/rpc/auth_none.c
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#include <machine/rtems-bsd-user-space.h>
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/* $NetBSD: auth_none.c,v 1.13 2000/01/22 22:19:17 mycroft Exp $ */
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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 "namespace.h"
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#include "reentrant.h"
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#include <assert.h>
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#include <stdlib.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 "un-namespace.h"
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#include "mt_misc.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 *, XDR *);
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static void authnone_verf (AUTH *);
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static bool_t authnone_validate (AUTH *, struct opaque_auth *);
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static bool_t authnone_refresh (AUTH *, void *);
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static void authnone_destroy (AUTH *);
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extern bool_t xdr_opaque_auth();
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static struct auth_ops *authnone_ops();
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static struct authnone_private {
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AUTH no_client;
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char marshalled_client[MAX_MARSHAL_SIZE];
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u_int mcnt;
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} *authnone_private;
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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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XDR xdr_stream;
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XDR *xdrs;
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mutex_lock(&authnone_lock);
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if (ap == 0) {
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ap = (struct authnone_private *)calloc(1, sizeof (*ap));
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if (ap == 0) {
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mutex_unlock(&authnone_lock);
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return (0);
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}
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authnone_private = ap;
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}
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if (!ap->mcnt) {
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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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xdrs = &xdr_stream;
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xdrmem_create(xdrs, ap->marshalled_client,
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(u_int)MAX_MARSHAL_SIZE, XDR_ENCODE);
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(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
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(void)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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mutex_unlock(&authnone_lock);
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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, XDR *xdrs)
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{
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struct authnone_private *ap;
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bool_t dummy;
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assert(xdrs != NULL);
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ap = authnone_private;
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if (ap == NULL) {
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mutex_unlock(&authnone_lock);
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return (FALSE);
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}
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dummy = (*xdrs->x_ops->x_putbytes)(xdrs,
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ap->marshalled_client, ap->mcnt);
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mutex_unlock(&authnone_lock);
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return (dummy);
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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, struct opaque_auth *opaque)
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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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static struct auth_ops *
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authnone_ops()
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{
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static struct auth_ops ops;
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/* VARIABLES PROTECTED BY ops_lock: ops */
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mutex_lock(&ops_lock);
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if (ops.ah_nextverf == NULL) {
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ops.ah_nextverf = authnone_verf;
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ops.ah_marshal = authnone_marshal;
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ops.ah_validate = authnone_validate;
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ops.ah_refresh = authnone_refresh;
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ops.ah_destroy = authnone_destroy;
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}
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mutex_unlock(&ops_lock);
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return (&ops);
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}
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