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 *
authnone_create()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
authnone_marshal(client,xdrs)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
authnone_verf()112 authnone_verf()
113 {
114 }
115
116 static bool_t
authnone_validate()117 authnone_validate()
118 {
119
120 return (TRUE);
121 }
122
123 static bool_t
authnone_refresh()124 authnone_refresh()
125 {
126
127 return (FALSE);
128 }
129
130 static void
authnone_destroy()131 authnone_destroy()
132 {
133 }
134