xref: /freebsd/sys/rpc/auth_none.c (revision f7c4bd95ba735bd6a5454b4953945a99cefbb80c)
1 /*	$NetBSD: auth_none.c,v 1.13 2000/01/22 22:19:17 mycroft Exp $	*/
2 
3 /*
4  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5  * unrestricted use provided that this legend is included on all tape
6  * media and as a part of the software program in whole or part.  Users
7  * may copy or modify Sun RPC without charge, but are not authorized
8  * to license or distribute it to anyone else except as part of a product or
9  * program developed by the user.
10  *
11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14  *
15  * Sun RPC is provided with no support and without any obligation on the
16  * part of Sun Microsystems, Inc. to assist in its use, correction,
17  * modification or enhancement.
18  *
19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21  * OR ANY PART THEREOF.
22  *
23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24  * or profits or other special, indirect and consequential damages, even if
25  * Sun has been advised of the possibility of such damages.
26  *
27  * Sun Microsystems, Inc.
28  * 2550 Garcia Avenue
29  * Mountain View, California  94043
30  */
31 
32 #if defined(LIBC_SCCS) && !defined(lint)
33 static char *sccsid2 = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";
34 static char *sccsid = "@(#)auth_none.c	2.1 88/07/29 4.0 RPCSRC";
35 #endif
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
38 
39 /*
40  * auth_none.c
41  * Creates a client authentication handle for passing "null"
42  * credentials and verifiers to remote systems.
43  *
44  * Copyright (C) 1984, Sun Microsystems, Inc.
45  */
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/lock.h>
51 #include <sys/malloc.h>
52 #include <sys/mutex.h>
53 
54 #include <rpc/types.h>
55 #include <rpc/xdr.h>
56 #include <rpc/auth.h>
57 
58 #define MAX_MARSHAL_SIZE 20
59 
60 /*
61  * Authenticator operations routines
62  */
63 
64 static bool_t authnone_marshal (AUTH *, XDR *);
65 static void authnone_verf (AUTH *);
66 static bool_t authnone_validate (AUTH *, struct opaque_auth *);
67 static bool_t authnone_refresh (AUTH *, void *);
68 static void authnone_destroy (AUTH *);
69 
70 static struct auth_ops authnone_ops = {
71 	.ah_nextverf =		authnone_verf,
72 	.ah_marshal =		authnone_marshal,
73 	.ah_validate =		authnone_validate,
74 	.ah_refresh =		authnone_refresh,
75 	.ah_destroy =		authnone_destroy
76 };
77 
78 struct authnone_private {
79 	AUTH	no_client;
80 	char	mclient[MAX_MARSHAL_SIZE];
81 	u_int	mcnt;
82 };
83 
84 static struct authnone_private authnone_private;
85 
86 static void
87 authnone_init(void *dummy)
88 {
89 	struct authnone_private *ap = &authnone_private;
90 	XDR xdrs;
91 
92 	ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
93 	ap->no_client.ah_ops = &authnone_ops;
94 	xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
95 	xdr_opaque_auth(&xdrs, &ap->no_client.ah_cred);
96 	xdr_opaque_auth(&xdrs, &ap->no_client.ah_verf);
97 	ap->mcnt = XDR_GETPOS(&xdrs);
98 	XDR_DESTROY(&xdrs);
99 }
100 SYSINIT(authnone_init, SI_SUB_KMEM, SI_ORDER_ANY, authnone_init, NULL);
101 
102 AUTH *
103 authnone_create()
104 {
105 	struct authnone_private *ap = &authnone_private;
106 
107 	return (&ap->no_client);
108 }
109 
110 /*ARGSUSED*/
111 static bool_t
112 authnone_marshal(AUTH *client, XDR *xdrs)
113 {
114 	struct authnone_private *ap = &authnone_private;
115 
116 	KASSERT(xdrs != NULL, ("authnone_marshal: xdrs is null"));
117 
118 	return (xdrs->x_ops->x_putbytes(xdrs, ap->mclient, ap->mcnt));
119 }
120 
121 /* All these unused parameters are required to keep ANSI-C from grumbling */
122 /*ARGSUSED*/
123 static void
124 authnone_verf(AUTH *client)
125 {
126 }
127 
128 /*ARGSUSED*/
129 static bool_t
130 authnone_validate(AUTH *client, struct opaque_auth *opaque)
131 {
132 
133 	return (TRUE);
134 }
135 
136 /*ARGSUSED*/
137 static bool_t
138 authnone_refresh(AUTH *client, void *dummy)
139 {
140 
141 	return (FALSE);
142 }
143 
144 /*ARGSUSED*/
145 static void
146 authnone_destroy(AUTH *client)
147 {
148 }
149