159 lines
4.1 KiB
C
159 lines
4.1 KiB
C
/* $NetBSD: auth_none.c,v 1.16 2013/03/11 20:19:28 tron Exp $ */
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/*
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* Copyright (c) 2010, Oracle America, Inc.
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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
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, 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
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char *sccsid = "@(#)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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#else
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__RCSID("$NetBSD: auth_none.c,v 1.16 2013/03/11 20:19:28 tron Exp $");
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#endif
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#endif
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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 <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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#ifdef __weak_alias
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__weak_alias(authnone_create,_authnone_create)
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#endif
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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 *);
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static void authnone_destroy(AUTH *);
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static const struct auth_ops ops = {
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authnone_verf,
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authnone_marshal,
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authnone_validate,
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authnone_refresh,
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authnone_destroy
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};
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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(void)
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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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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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return (0);
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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 = &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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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 = authnone_private;
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_DIAGASSERT(xdrs != NULL);
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if (ap == 0)
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return (0);
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return ((*xdrs->x_ops->x_putbytes)(xdrs,
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ap->marshalled_client, ap->mcnt));
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}
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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 *auth)
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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)
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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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