1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2009, Sun Microsystems, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32/*
33 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
34 */
35
36/*
37 * auth_des.h, Protocol for DES style authentication for RPC
38 */
39
40#ifndef _AUTH_DES_
41#define _AUTH_DES_
42
43/*
44 * There are two kinds of "names": fullnames and nicknames
45 */
46enum authdes_namekind {
47 ADN_FULLNAME,
48 ADN_NICKNAME
49};
50
51/*
52 * A fullname contains the network name of the client,
53 * a conversation key and the window
54 */
55struct authdes_fullname {
56 char *name; /* network name of client, up to MAXNETNAMELEN */
57 des_block key; /* conversation key */
58 u_long window; /* associated window */
59};
60
61
62/*
63 * A credential
64 */
65struct authdes_cred {
66 enum authdes_namekind adc_namekind;
67 struct authdes_fullname adc_fullname;
68 u_long adc_nickname;
69};
70
71
72
73/*
74 * A des authentication verifier
75 */
76struct authdes_verf {
77 union {
78 struct timeval adv_ctime; /* clear time */
79 des_block adv_xtime; /* crypt time */
80 } adv_time_u;
81 u_long adv_int_u;
82};
83
84/*
85 * des authentication verifier: client variety
86 *
87 * adv_timestamp is the current time.
88 * adv_winverf is the credential window + 1.
89 * Both are encrypted using the conversation key.
90 */
91#define adv_timestamp adv_time_u.adv_ctime
92#define adv_xtimestamp adv_time_u.adv_xtime
93#define adv_winverf adv_int_u
94
95/*
96 * des authentication verifier: server variety
97 *
98 * adv_timeverf is the client's timestamp + client's window
99 * adv_nickname is the server's nickname for the client.
100 * adv_timeverf is encrypted using the conversation key.
101 */
102#define adv_timeverf adv_time_u.adv_ctime
103#define adv_xtimeverf adv_time_u.adv_xtime
104#define adv_nickname adv_int_u
105
106/*
107 * Map a des credential into a unix cred.
108 *
109 */
110__BEGIN_DECLS
111extern int authdes_getucred( struct authdes_cred *, uid_t *, gid_t *, int *, gid_t * );
112__END_DECLS
113
114__BEGIN_DECLS
115extern bool_t xdr_authdes_cred(XDR *, struct authdes_cred *);
116extern bool_t xdr_authdes_verf(XDR *, struct authdes_verf *);
117extern int rtime(dev_t, struct netbuf *, int, struct timeval *,
118 struct timeval *);
119extern void kgetnetname(char *);
120extern enum auth_stat _svcauth_des(struct svc_req *, struct rpc_msg *);
121__END_DECLS
122
123#endif /* ndef _AUTH_DES_ */