xref: /original-bsd/lib/librpc/rpc/auth_none.c (revision 6ab384a1)
1 /* @(#)auth_none.c	2.1 88/07/29 4.0 RPCSRC */
2 /*
3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4  * unrestricted use provided that this legend is included on all tape
5  * media and as a part of the software program in whole or part.  Users
6  * may copy or modify Sun RPC without charge, but are not authorized
7  * to license or distribute it to anyone else except as part of a product or
8  * program developed by the user.
9  *
10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13  *
14  * Sun RPC is provided with no support and without any obligation on the
15  * part of Sun Microsystems, Inc. to assist in its use, correction,
16  * modification or enhancement.
17  *
18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20  * OR ANY PART THEREOF.
21  *
22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23  * or profits or other special, indirect and consequential damages, even if
24  * Sun has been advised of the possibility of such damages.
25  *
26  * Sun Microsystems, Inc.
27  * 2550 Garcia Avenue
28  * Mountain View, California  94043
29  */
30 #if !defined(lint) && defined(SCCSIDS)
31 static char sccsid[] = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";
32 #endif
33 
34 /*
35  * auth_none.c
36  * Creates a client authentication handle for passing "null"
37  * credentials and verifiers to remote systems.
38  *
39  * Copyright (C) 1984, Sun Microsystems, Inc.
40  */
41 
42 #include <rpc/types.h>
43 #include <rpc/xdr.h>
44 #include <rpc/auth.h>
45 #define MAX_MARSHEL_SIZE 20
46 
47 /*
48  * Authenticator operations routines
49  */
50 static void	authnone_verf();
51 static void	authnone_destroy();
52 static bool_t	authnone_marshal();
53 static bool_t	authnone_validate();
54 static bool_t	authnone_refresh();
55 
56 static struct auth_ops ops = {
57 	authnone_verf,
58 	authnone_marshal,
59 	authnone_validate,
60 	authnone_refresh,
61 	authnone_destroy
62 };
63 
64 static struct authnone_private {
65 	AUTH	no_client;
66 	char	marshalled_client[MAX_MARSHEL_SIZE];
67 	u_int	mcnt;
68 } *authnone_private;
69 
70 AUTH *
71 authnone_create()
72 {
73 	register struct authnone_private *ap = authnone_private;
74 	XDR xdr_stream;
75 	register XDR *xdrs;
76 
77 	if (ap == 0) {
78 		ap = (struct authnone_private *)calloc(1, sizeof (*ap));
79 		if (ap == 0)
80 			return (0);
81 		authnone_private = ap;
82 	}
83 	if (!ap->mcnt) {
84 		ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
85 		ap->no_client.ah_ops = &ops;
86 		xdrs = &xdr_stream;
87 		xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE,
88 		    XDR_ENCODE);
89 		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
90 		(void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
91 		ap->mcnt = XDR_GETPOS(xdrs);
92 		XDR_DESTROY(xdrs);
93 	}
94 	return (&ap->no_client);
95 }
96 
97 /*ARGSUSED*/
98 static bool_t
99 authnone_marshal(client, xdrs)
100 	AUTH *client;
101 	XDR *xdrs;
102 {
103 	register 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()
113 {
114 }
115 
116 static bool_t
117 authnone_validate()
118 {
119 
120 	return (TRUE);
121 }
122 
123 static bool_t
124 authnone_refresh()
125 {
126 
127 	return (FALSE);
128 }
129 
130 static void
131 authnone_destroy()
132 {
133 }
134