auth_none.c revision 1901 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";*/
32/*static char *sccsid = "from: @(#)auth_none.c	2.1 88/07/29 4.0 RPCSRC";*/
33static char *rcsid = "$Id: auth_none.c,v 1.1 1993/10/27 05:40:10 paul Exp $";
34#endif
35
36/*
37 * auth_none.c
38 * Creates a client authentication handle for passing "null"
39 * credentials and verifiers to remote systems.
40 *
41 * Copyright (C) 1984, Sun Microsystems, Inc.
42 */
43
44#include <rpc/types.h>
45#include <rpc/xdr.h>
46#include <rpc/auth.h>
47#define MAX_MARSHEL_SIZE 20
48
49/*
50 * Authenticator operations routines
51 */
52static void	authnone_verf();
53static void	authnone_destroy();
54static bool_t	authnone_marshal();
55static bool_t	authnone_validate();
56static bool_t	authnone_refresh();
57
58static struct auth_ops ops = {
59	authnone_verf,
60	authnone_marshal,
61	authnone_validate,
62	authnone_refresh,
63	authnone_destroy
64};
65
66static struct authnone_private {
67	AUTH	no_client;
68	char	marshalled_client[MAX_MARSHEL_SIZE];
69	u_int	mcnt;
70} *authnone_private;
71
72AUTH *
73authnone_create()
74{
75	register struct authnone_private *ap = authnone_private;
76	XDR xdr_stream;
77	register XDR *xdrs;
78
79	if (ap == 0) {
80		ap = (struct authnone_private *)calloc(1, sizeof (*ap));
81		if (ap == 0)
82			return (0);
83		authnone_private = ap;
84	}
85	if (!ap->mcnt) {
86		ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
87		ap->no_client.ah_ops = &ops;
88		xdrs = &xdr_stream;
89		xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE,
90		    XDR_ENCODE);
91		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
92		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
93		ap->mcnt = XDR_GETPOS(xdrs);
94		XDR_DESTROY(xdrs);
95	}
96	return (&ap->no_client);
97}
98
99/*ARGSUSED*/
100static bool_t
101authnone_marshal(client, xdrs)
102	AUTH *client;
103	XDR *xdrs;
104{
105	register struct authnone_private *ap = authnone_private;
106
107	if (ap == 0)
108		return (0);
109	return ((*xdrs->x_ops->x_putbytes)(xdrs,
110	    ap->marshalled_client, ap->mcnt));
111}
112
113static void
114authnone_verf()
115{
116}
117
118static bool_t
119authnone_validate()
120{
121
122	return (TRUE);
123}
124
125static bool_t
126authnone_refresh()
127{
128
129	return (FALSE);
130}
131
132static void
133authnone_destroy()
134{
135}
136