1 /* $NetBSD: auth_none.c,v 1.13 2000/01/22 22:19:17 mycroft Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (c) 2009, Sun Microsystems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * - Neither the name of Sun Microsystems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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30 * POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
36 * Creates a client authentication handle for passing "null"
37 * credentials and verifiers to remote systems.
39 * Copyright (C) 1984, Sun Microsystems, Inc.
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
46 #include <sys/malloc.h>
47 #include <sys/mutex.h>
49 #include <rpc/types.h>
54 #define MAX_MARSHAL_SIZE 20
57 * Authenticator operations routines
60 static bool_t authnone_marshal (AUTH *, uint32_t, XDR *, struct mbuf *);
61 static void authnone_verf (AUTH *);
62 static bool_t authnone_validate (AUTH *, uint32_t, struct opaque_auth *,
64 static bool_t authnone_refresh (AUTH *, void *);
65 static void authnone_destroy (AUTH *);
67 static const struct auth_ops authnone_ops = {
68 .ah_nextverf = authnone_verf,
69 .ah_marshal = authnone_marshal,
70 .ah_validate = authnone_validate,
71 .ah_refresh = authnone_refresh,
72 .ah_destroy = authnone_destroy,
75 struct authnone_private {
77 char mclient[MAX_MARSHAL_SIZE];
81 static struct authnone_private authnone_private;
84 authnone_init(void *dummy)
86 struct authnone_private *ap = &authnone_private;
89 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
90 ap->no_client.ah_ops = &authnone_ops;
91 xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
92 xdr_opaque_auth(&xdrs, &ap->no_client.ah_cred);
93 xdr_opaque_auth(&xdrs, &ap->no_client.ah_verf);
94 ap->mcnt = XDR_GETPOS(&xdrs);
97 SYSINIT(authnone_init, SI_SUB_KMEM, SI_ORDER_ANY, authnone_init, NULL);
100 authnone_create(void)
102 struct authnone_private *ap = &authnone_private;
104 return (&ap->no_client);
109 authnone_marshal(AUTH *client, uint32_t xid, XDR *xdrs, struct mbuf *args)
111 struct authnone_private *ap = &authnone_private;
113 KASSERT(xdrs != NULL, ("authnone_marshal: xdrs is null"));
115 if (!XDR_PUTBYTES(xdrs, ap->mclient, ap->mcnt))
118 xdrmbuf_append(xdrs, args);
123 /* All these unused parameters are required to keep ANSI-C from grumbling */
126 authnone_verf(AUTH *client)
132 authnone_validate(AUTH *client, uint32_t xid, struct opaque_auth *opaque,
141 authnone_refresh(AUTH *client, void *dummy)
149 authnone_destroy(AUTH *client)