VFS messaging/interfacing work stage 5/99. Start work on the new
[dragonfly.git] / sys / vfs / nfs / rpcv2.h
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1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)rpcv2.h 8.2 (Berkeley) 3/30/95
37 * $FreeBSD: src/sys/nfs/rpcv2.h,v 1.10 1999/08/28 00:50:04 peter Exp $
1de703da 38 * $DragonFly: src/sys/vfs/nfs/rpcv2.h,v 1.2 2003/06/17 04:28:54 dillon Exp $
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39 */
40
41
42#ifndef _NFS_RPCV2_H_
43#define _NFS_RPCV2_H_
44
45/*
46 * Definitions for Sun RPC Version 2, from
47 * "RPC: Remote Procedure Call Protocol Specification" RFC1057
48 */
49
50/* Version # */
51#define RPC_VER2 2
52
53/* Authentication */
54#define RPCAUTH_NULL 0
55#define RPCAUTH_UNIX 1
56#define RPCAUTH_SHORT 2
57#define RPCAUTH_KERB4 4
58#define RPCAUTH_NQNFS 300000
59#define RPCAUTH_MAXSIZ 400
60#define RPCVERF_MAXSIZ 12 /* For Kerb, can actually be 400 */
61#define RPCAUTH_UNIXGIDS 16
62
63/*
64 * Constants associated with authentication flavours.
65 */
66#define RPCAKN_FULLNAME 0
67#define RPCAKN_NICKNAME 1
68
69/* Rpc Constants */
70#define RPC_CALL 0
71#define RPC_REPLY 1
72#define RPC_MSGACCEPTED 0
73#define RPC_MSGDENIED 1
74#define RPC_PROGUNAVAIL 1
75#define RPC_PROGMISMATCH 2
76#define RPC_PROCUNAVAIL 3
77#define RPC_GARBAGE 4 /* I like this one */
78#define RPC_MISMATCH 0
79#define RPC_AUTHERR 1
80
81/* Authentication failures */
82#define AUTH_BADCRED 1
83#define AUTH_REJECTCRED 2
84#define AUTH_BADVERF 3
85#define AUTH_REJECTVERF 4
86#define AUTH_TOOWEAK 5 /* Give em wheaties */
87
88/* Sizes of rpc header parts */
89#define RPC_SIZ 24
90#define RPC_REPLYSIZ 28
91
92/* RPC Prog definitions */
93#define RPCPROG_MNT 100005
94#define RPCMNT_VER1 1
95#define RPCMNT_VER3 3
96#define RPCMNT_MOUNT 1
97#define RPCMNT_DUMP 2
98#define RPCMNT_UMOUNT 3
99#define RPCMNT_UMNTALL 4
100#define RPCMNT_EXPORT 5
101#define RPCMNT_NAMELEN 255
102#define RPCMNT_PATHLEN 1024
103#define RPCPROG_NFS 100003
104
105/*
106 * Structures used for RPCAUTH_KERB4.
107 */
108struct nfsrpc_fullverf {
109 u_int32_t t1;
110 u_int32_t t2;
111 u_int32_t w2;
112};
113
114struct nfsrpc_fullblock {
115 u_int32_t t1;
116 u_int32_t t2;
117 u_int32_t w1;
118 u_int32_t w2;
119};
120
121struct nfsrpc_nickverf {
122 u_int32_t kind;
123 struct nfsrpc_fullverf verf;
124};
125
126/*
127 * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
128 * constants, well then things will break in mount_nfs and nfsd.
129 */
130#define RPCX_FULLVERF 12
131#define RPCX_FULLBLOCK 16
132#define RPCX_NICKVERF 16
133
134#ifdef NFSKERB
135XXX
136#else
137typedef u_char NFSKERBKEY_T[2];
138typedef u_char NFSKERBKEYSCHED_T[2];
139#endif
140#define NFS_KERBSRV "rcmd" /* Kerberos Service for NFS */
141#define NFS_KERBTTL (30 * 60) /* Credential ttl (sec) */
142#define NFS_KERBCLOCKSKEW (5 * 60) /* Clock skew (sec) */
143#define NFS_KERBW1(t) (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
144#endif