xref: /onnv-gate/usr/src/stand/lib/fs/nfs/auth_none.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /* from SunOS 4.1 */
28*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * modified for use by the boot program.
32*0Sstevel@tonic-gate  *
33*0Sstevel@tonic-gate  * auth_none.c
34*0Sstevel@tonic-gate  * Creates a client authentication handle for passing "null"
35*0Sstevel@tonic-gate  * credentials and verifiers to remote systems.
36*0Sstevel@tonic-gate  */
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #include <rpc/types.h>
39*0Sstevel@tonic-gate #include <rpc/xdr.h>
40*0Sstevel@tonic-gate #include <rpc/auth.h>
41*0Sstevel@tonic-gate #include "clnt.h"
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate #define	MAX_MARSHEL_SIZE 20
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate static struct auth_ops *authnone_ops();
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate static struct authnone_private {
48*0Sstevel@tonic-gate 	AUTH	no_client;
49*0Sstevel@tonic-gate 	char	marshalled_client[MAX_MARSHEL_SIZE];
50*0Sstevel@tonic-gate 	uint_t	mcnt;
51*0Sstevel@tonic-gate } *authnone_private;
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate static struct authnone_private authnone_local;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate AUTH *
authnone_create(void)56*0Sstevel@tonic-gate authnone_create(void)
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate 	struct authnone_private *ap = authnone_private;
59*0Sstevel@tonic-gate 	XDR xdr_stream;
60*0Sstevel@tonic-gate 	XDR *xdrs;
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	if (ap == 0) {
63*0Sstevel@tonic-gate 		ap = &authnone_local;
64*0Sstevel@tonic-gate 		authnone_private = ap;
65*0Sstevel@tonic-gate 	}
66*0Sstevel@tonic-gate 	if (!ap->mcnt) {
67*0Sstevel@tonic-gate 		ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
68*0Sstevel@tonic-gate 		ap->no_client.ah_ops = authnone_ops();
69*0Sstevel@tonic-gate 		xdrs = &xdr_stream;
70*0Sstevel@tonic-gate 		xdrmem_create(xdrs, ap->marshalled_client,
71*0Sstevel@tonic-gate 			(uint_t)MAX_MARSHEL_SIZE, XDR_ENCODE);
72*0Sstevel@tonic-gate 		(void) xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
73*0Sstevel@tonic-gate 		(void) xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
74*0Sstevel@tonic-gate 		ap->mcnt = XDR_GETPOS(xdrs);
75*0Sstevel@tonic-gate 		XDR_DESTROY(xdrs);
76*0Sstevel@tonic-gate 	}
77*0Sstevel@tonic-gate 	return (&ap->no_client);
78*0Sstevel@tonic-gate }
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate /*ARGSUSED*/
81*0Sstevel@tonic-gate static bool_t
authnone_marshal(AUTH * client,XDR * xdrs,struct cred * cr)82*0Sstevel@tonic-gate authnone_marshal(AUTH *client, XDR *xdrs, struct cred *cr)
83*0Sstevel@tonic-gate {
84*0Sstevel@tonic-gate 	struct authnone_private *ap = authnone_private;
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	if (ap == 0)
87*0Sstevel@tonic-gate 		return (0);
88*0Sstevel@tonic-gate 	return ((*xdrs->x_ops->x_putbytes)(xdrs,
89*0Sstevel@tonic-gate 	    ap->marshalled_client, ap->mcnt));
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate /* ARGSUSED */
93*0Sstevel@tonic-gate static void
authnone_verf(AUTH * foo)94*0Sstevel@tonic-gate authnone_verf(AUTH *foo)
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate }
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate /* ARGSUSED */
99*0Sstevel@tonic-gate static bool_t
authnone_validate(AUTH * foo,struct opaque_auth * bar)100*0Sstevel@tonic-gate authnone_validate(AUTH *foo, struct opaque_auth *bar)
101*0Sstevel@tonic-gate {
102*0Sstevel@tonic-gate 	return (TRUE);
103*0Sstevel@tonic-gate }
104*0Sstevel@tonic-gate 
105*0Sstevel@tonic-gate /* ARGSUSED */
106*0Sstevel@tonic-gate static bool_t
authnone_refresh(AUTH * foo,struct rpc_msg * bar,cred_t * cr)107*0Sstevel@tonic-gate authnone_refresh(AUTH *foo, struct rpc_msg *bar, cred_t *cr)
108*0Sstevel@tonic-gate {
109*0Sstevel@tonic-gate 	return (FALSE);
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate /* ARGSUSED */
113*0Sstevel@tonic-gate static void
authnone_destroy(AUTH * foo)114*0Sstevel@tonic-gate authnone_destroy(AUTH *foo)
115*0Sstevel@tonic-gate {
116*0Sstevel@tonic-gate }
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate static struct auth_ops *
authnone_ops(void)119*0Sstevel@tonic-gate authnone_ops(void)
120*0Sstevel@tonic-gate {
121*0Sstevel@tonic-gate 	static struct auth_ops ops;
122*0Sstevel@tonic-gate 
123*0Sstevel@tonic-gate 	if (ops.ah_nextverf == NULL) {
124*0Sstevel@tonic-gate 		ops.ah_nextverf = authnone_verf;
125*0Sstevel@tonic-gate 		ops.ah_marshal = authnone_marshal;
126*0Sstevel@tonic-gate 		ops.ah_validate = authnone_validate;
127*0Sstevel@tonic-gate 		ops.ah_refresh = authnone_refresh;
128*0Sstevel@tonic-gate 		ops.ah_destroy = authnone_destroy;
129*0Sstevel@tonic-gate 	}
130*0Sstevel@tonic-gate 	return (&ops);
131*0Sstevel@tonic-gate }
132