1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
7 * Reserved.  This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.1 (the "License").  You may not use this file
10 * except in compliance with the License.  Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/*
25 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
26 * unrestricted use provided that this legend is included on all tape
27 * media and as a part of the software program in whole or part.  Users
28 * may copy or modify Sun RPC without charge, but are not authorized
29 * to license or distribute it to anyone else except as part of a product or
30 * program developed by the user.
31 *
32 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
33 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
34 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
35 *
36 * Sun RPC is provided with no support and without any obligation on the
37 * part of Sun Microsystems, Inc. to assist in its use, correction,
38 * modification or enhancement.
39 *
40 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
41 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
42 * OR ANY PART THEREOF.
43 *
44 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
45 * or profits or other special, indirect and consequential damages, even if
46 * Sun has been advised of the possibility of such damages.
47 *
48 * Sun Microsystems, Inc.
49 * 2550 Garcia Avenue
50 * Mountain View, California  94043
51 */
52
53#if defined(LIBC_SCCS) && !defined(lint)
54/*static char *sccsid = "from: @(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";*/
55/*static char *sccsid = "from: @(#)auth_none.c	2.1 88/07/29 4.0 RPCSRC";*/
56static char *rcsid = "$Id: auth_none.c,v 1.3 2002/02/19 20:36:22 epeyton Exp $";
57#endif
58
59/*
60 * auth_none.c
61 * Creates a client authentication handle for passing "null"
62 * credentials and verifiers to remote systems.
63 *
64 * Copyright (C) 1984, Sun Microsystems, Inc.
65 */
66
67#include <stdlib.h>
68#include <sys/types.h>
69#include <netinet/in.h>
70#include <rpc/types.h>
71#include <rpc/xdr.h>
72#include <rpc/auth.h>
73#define MAX_MARSHEL_SIZE 20
74
75extern bool_t	xdr_opaque_auth();
76
77/*
78 * Authenticator operations routines
79 */
80static void	authnone_verf();
81static void	authnone_destroy();
82static bool_t	authnone_marshal();
83static bool_t	authnone_validate();
84static bool_t	authnone_refresh();
85
86static struct auth_ops ops = {
87	authnone_verf,
88	authnone_marshal,
89	authnone_validate,
90	authnone_refresh,
91	authnone_destroy
92};
93
94static struct authnone_private {
95	AUTH	no_client;
96	char	marshalled_client[MAX_MARSHEL_SIZE];
97	u_int	mcnt;
98} *authnone_private;
99
100AUTH *
101authnone_create()
102{
103	register struct authnone_private *ap = authnone_private;
104	XDR xdr_stream;
105	register XDR *xdrs;
106
107	if (ap == 0) {
108		ap = (struct authnone_private *)calloc(1, sizeof (*ap));
109		if (ap == 0)
110			return (0);
111		authnone_private = ap;
112	}
113	if (!ap->mcnt) {
114		ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
115		ap->no_client.ah_ops = &ops;
116		xdrs = &xdr_stream;
117		xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE,
118		    XDR_ENCODE);
119		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
120		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
121		ap->mcnt = XDR_GETPOS(xdrs);
122		XDR_DESTROY(xdrs);
123	}
124	return (&ap->no_client);
125}
126
127/*ARGSUSED*/
128static bool_t
129authnone_marshal(client, xdrs)
130	AUTH *client;
131	XDR *xdrs;
132{
133	register struct authnone_private *ap = authnone_private;
134
135	if (ap == 0)
136		return (0);
137	return ((*xdrs->x_ops->x_putbytes)(xdrs,
138	    ap->marshalled_client, ap->mcnt));
139}
140
141static void
142authnone_verf()
143{
144}
145
146static bool_t
147authnone_validate()
148{
149
150	return (TRUE);
151}
152
153static bool_t
154authnone_refresh()
155{
156
157	return (FALSE);
158}
159
160static void
161authnone_destroy()
162{
163}
164