1 /*
2 * Copyright (c) 2006-2021, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 */
9 /* @(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC */
10 /*
11 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
12 * unrestricted use provided that this legend is included on all tape
13 * media and as a part of the software program in whole or part. Users
14 * may copy or modify Sun RPC without charge, but are not authorized
15 * to license or distribute it to anyone else except as part of a product or
16 * program developed by the user.
17 *
18 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
19 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
21 *
22 * Sun RPC is provided with no support and without any obligation on the
23 * part of Sun Microsystems, Inc. to assist in its use, correction,
24 * modification or enhancement.
25 *
26 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
27 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
28 * OR ANY PART THEREOF.
29 *
30 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
31 * or profits or other special, indirect and consequential damages, even if
32 * Sun has been advised of the possibility of such damages.
33 *
34 * Sun Microsystems, Inc.
35 * 2550 Garcia Avenue
36 * Mountain View, California 94043
37 */
38 #if !defined(lint) && defined(SCCSIDS)
39 static char sccsid[] =
40
41 "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";
42 #endif
43
44 /*
45 * auth_none.c
46 * Creates a client authentication handle for passing "null"
47 * credentials and verifiers to remote systems.
48 *
49 * Copyright (C) 1984, Sun Microsystems, Inc.
50 */
51
52 #include <rpc/types.h>
53 #include <rpc/xdr.h>
54 #include <rpc/auth.h>
55 #define MAX_MARSHEL_SIZE 20
56
57 static void authnone_verf(AUTH *);
58 static bool_t authnone_validate(AUTH *, struct opaque_auth *);
59 static bool_t authnone_refresh(AUTH *);
60 static void authnone_destroy(AUTH *);
61 static bool_t authnone_marshal(AUTH *client, XDR *xdrs);
62
63 struct opaque_auth _null_auth;
64
65 static struct auth_ops ops = {
66 authnone_verf,
67 authnone_marshal,
68 authnone_validate,
69 authnone_refresh,
70 authnone_destroy
71 };
72
73 static struct authnone_private {
74 AUTH no_client;
75 char marshalled_client[MAX_MARSHEL_SIZE];
76 unsigned int mcnt;
77 } *authnone_private;
78
authnone_create()79 AUTH *authnone_create()
80 {
81 register struct authnone_private *ap = authnone_private;
82 XDR xdr_stream;
83 register XDR *xdrs;
84 extern bool_t xdr_opaque_auth(XDR *xdrs, struct opaque_auth *ap);
85
86 if (ap == 0) {
87 ap = (struct authnone_private *) rt_malloc (sizeof(*ap));
88 if (ap == 0) return NULL;
89 memset(ap, 0, sizeof(*ap));
90 authnone_private = ap;
91 }
92 if (!ap->mcnt) {
93 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
94 ap->no_client.ah_ops = &ops;
95 xdrs = &xdr_stream;
96 xdrmem_create(xdrs, ap->marshalled_client,
97 (unsigned int) MAX_MARSHEL_SIZE, XDR_ENCODE);
98 (void) xdr_opaque_auth(xdrs, &ap->no_client.ah_cred);
99 (void) xdr_opaque_auth(xdrs, &ap->no_client.ah_verf);
100 ap->mcnt = XDR_GETPOS(xdrs);
101 XDR_DESTROY(xdrs);
102 }
103 return (&ap->no_client);
104 }
105
106 /*ARGSUSED*/
authnone_marshal(AUTH * client,XDR * xdrs)107 static bool_t authnone_marshal(AUTH *client, XDR *xdrs)
108 {
109 register struct authnone_private *ap = authnone_private;
110
111 if (ap == 0)
112 return (0);
113 return ((*xdrs->x_ops->x_putbytes) (xdrs,
114 ap->marshalled_client, ap->mcnt));
115 }
116
authnone_verf(AUTH * x)117 static void authnone_verf(AUTH *x)
118 {
119 }
120
authnone_validate(AUTH * x,struct opaque_auth * x1)121 static bool_t authnone_validate(AUTH *x, struct opaque_auth *x1)
122 {
123
124 return (TRUE);
125 }
126
authnone_refresh(AUTH * x)127 static bool_t authnone_refresh(AUTH *x)
128 {
129
130 return (FALSE);
131 }
132
authnone_destroy(AUTH * x)133 static void authnone_destroy(AUTH *x)
134 {
135 }
136