xref: /dragonfly/lib/libc/rpc/auth_none.c (revision 0bb9290e)
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  * @(#)auth_none.c	1.19 87/08/11 Copyr 1984 Sun Micro
30  * @(#)auth_none.c	2.1 88/07/29 4.0 RPCSRC
31  * $FreeBSD: src/lib/libc/rpc/auth_none.c,v 1.9 1999/08/28 00:00:32 peter Exp $
32  * $DragonFly: src/lib/libc/rpc/auth_none.c,v 1.4 2005/11/13 12:27:04 swildner Exp $
33  */
34 
35 /*
36  * auth_none.c
37  * Creates a client authentication handle for passing "null"
38  * credentials and verifiers to remote systems.
39  *
40  * Copyright (C) 1984, Sun Microsystems, Inc.
41  */
42 
43 #include <stdlib.h>
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  */
52 static void	authnone_verf();
53 static void	authnone_destroy();
54 static bool_t	authnone_marshal();
55 static bool_t	authnone_validate();
56 static bool_t	authnone_refresh();
57 
58 static struct auth_ops ops = {
59 	authnone_verf,
60 	authnone_marshal,
61 	authnone_validate,
62 	authnone_refresh,
63 	authnone_destroy
64 };
65 
66 static struct authnone_private {
67 	AUTH	no_client;
68 	char	marshalled_client[MAX_MARSHEL_SIZE];
69 	u_int	mcnt;
70 } *authnone_private;
71 
72 AUTH *
73 authnone_create(void)
74 {
75 	struct authnone_private *ap = authnone_private;
76 	XDR xdr_stream;
77 	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 		xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
92 		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*/
100 static bool_t
101 authnone_marshal(AUTH *client, XDR *xdrs)
102 {
103 	struct authnone_private *ap = authnone_private;
104 
105 	if (ap == 0)
106 		return (0);
107 	return ((*xdrs->x_ops->x_putbytes)(xdrs,
108 	    ap->marshalled_client, ap->mcnt));
109 }
110 
111 static void
112 authnone_verf(void)
113 {
114 }
115 
116 static bool_t
117 authnone_validate(void)
118 {
119 
120 	return (TRUE);
121 }
122 
123 static bool_t
124 authnone_refresh(void)
125 {
126 
127 	return (FALSE);
128 }
129 
130 static void
131 authnone_destroy(void)
132 {
133 }
134