1/* $NetBSD: rpcv2.h,v 1.13 2024/12/07 02:05:55 riastradh Exp $ */
2
3/*
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)rpcv2.h 8.2 (Berkeley) 3/30/95
35 */
36
37#ifndef _NFS_RPCV2_H_
38#define _NFS_RPCV2_H_
39
40#include <sys/types.h>
41
42/*
43 * Definitions for Sun RPC Version 2, from
44 * "RPC: Remote Procedure Call Protocol Specification" RFC1057
45 */
46
47/* Version # */
48#define RPC_VER2 2
49
50/* Authentication */
51#define RPCAUTH_NULL 0
52#define RPCAUTH_UNIX 1
53#define RPCAUTH_SHORT 2
54#define RPCAUTH_KERB4 4
55#define RPCAUTH_MAXSIZ 400
56#define RPCVERF_MAXSIZ 12 /* For Kerb, can actually be 400 */
57#define RPCAUTH_UNIXGIDS 16
58
59/*
60 * Constants associated with authentication flavours.
61 */
62#define RPCAKN_FULLNAME 0
63#define RPCAKN_NICKNAME 1
64
65/* Rpc Constants */
66#define RPC_CALL 0
67#define RPC_REPLY 1
68#define RPC_MSGACCEPTED 0
69#define RPC_MSGDENIED 1
70#define RPC_PROGUNAVAIL 1
71#define RPC_PROGMISMATCH 2
72#define RPC_PROCUNAVAIL 3
73#define RPC_GARBAGE 4 /* I like this one */
74#define RPC_MISMATCH 0
75#define RPC_AUTHERR 1
76
77/* Authentication failures */
78#define AUTH_BADCRED 1
79#define AUTH_REJECTCRED 2
80#define AUTH_BADVERF 3
81#define AUTH_REJECTVERF 4
82#define AUTH_TOOWEAK 5 /* Give em wheaties */
83
84/* Sizes of rpc header parts */
85#define RPC_SIZ 24
86#define RPC_REPLYSIZ 28
87
88/* RPC Prog definitions */
89#define RPCPROG_MNT 100005
90#define RPCMNT_VER1 1
91#define RPCMNT_VER3 3
92#define RPCMNT_MOUNT 1
93#define RPCMNT_DUMP 2
94#define RPCMNT_UMOUNT 3
95#define RPCMNT_UMNTALL 4
96#define RPCMNT_EXPORT 5
97#define RPCMNT_NAMELEN 255
98#define RPCMNT_PATHLEN 1024
99#define RPCPROG_NFS 100003
100
101/* Structs for common parts of the rpc's */
102struct rpcv2_time {
103 u_int32_t rpc_sec;
104 u_int32_t rpc_usec;
105};
106
107/*
108 * Structures used for RPCAUTH_KERB4.
109 */
110struct nfsrpc_fullverf {
111 u_int32_t t1;
112 u_int32_t t2;
113 u_int32_t w2;
114};
115
116struct nfsrpc_fullblock {
117 u_int32_t t1;
118 u_int32_t t2;
119 u_int32_t w1;
120 u_int32_t w2;
121};
122
123struct nfsrpc_nickverf {
124 u_int32_t kind;
125 struct nfsrpc_fullverf verf;
126};
127
128/*
129 * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
130 * constants, well then things will break in mount_nfs and nfsd.
131 */
132#define RPCX_FULLVERF 12
133#define RPCX_FULLBLOCK 16
134#define RPCX_NICKVERF 16
135
136#ifdef NFSKERB
137XXX
138#else
139typedef u_char NFSKERBKEY_T[2];
140typedef u_char NFSKERBKEYSCHED_T[2];
141#endif
142#define NFS_KERBSRV "rcmd" /* Kerberos Service for NFS */
143#define NFS_KERBTTL (30 * 60) /* Credential ttl (sec) */
144#define NFS_KERBCLOCKSKEW (5 * 60) /* Clock skew (sec) */
145#define NFS_KERBW1(t) (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
146
147#endif /* _NFS_RPCV2_H_ */