xref: /dragonfly/sys/vfs/nfs/rpcv2.h (revision ae24b5e0)
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. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)rpcv2.h	8.2 (Berkeley) 3/30/95
33  * $FreeBSD: src/sys/nfs/rpcv2.h,v 1.10 1999/08/28 00:50:04 peter Exp $
34  * $DragonFly: src/sys/vfs/nfs/rpcv2.h,v 1.2 2003/06/17 04:28:54 dillon Exp $
35  */
36 
37 
38 #ifndef _NFS_RPCV2_H_
39 #define _NFS_RPCV2_H_
40 
41 /*
42  * Definitions for Sun RPC Version 2, from
43  * "RPC: Remote Procedure Call Protocol Specification" RFC1057
44  */
45 
46 /* Version # */
47 #define	RPC_VER2	2
48 
49 /* Authentication */
50 #define	RPCAUTH_NULL	0
51 #define	RPCAUTH_UNIX	1
52 #define	RPCAUTH_SHORT	2
53 #define RPCAUTH_KERB4	4
54 #define	RPCAUTH_NQNFS	300000
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 /*
102  * Structures used for RPCAUTH_KERB4.
103  */
104 struct nfsrpc_fullverf {
105 	u_int32_t	t1;
106 	u_int32_t	t2;
107 	u_int32_t	w2;
108 };
109 
110 struct nfsrpc_fullblock {
111 	u_int32_t	t1;
112 	u_int32_t	t2;
113 	u_int32_t	w1;
114 	u_int32_t	w2;
115 };
116 
117 struct nfsrpc_nickverf {
118 	u_int32_t		kind;
119 	struct nfsrpc_fullverf	verf;
120 };
121 
122 /*
123  * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
124  * constants, well then things will break in mount_nfs and nfsd.
125  */
126 #define RPCX_FULLVERF	12
127 #define RPCX_FULLBLOCK	16
128 #define RPCX_NICKVERF	16
129 
130 #ifdef NFSKERB
131 XXX
132 #else
133 typedef u_char			NFSKERBKEY_T[2];
134 typedef u_char			NFSKERBKEYSCHED_T[2];
135 #endif
136 #define NFS_KERBSRV	"rcmd"		/* Kerberos Service for NFS */
137 #define NFS_KERBTTL	(30 * 60)	/* Credential ttl (sec) */
138 #define NFS_KERBCLOCKSKEW (5 * 60)	/* Clock skew (sec) */
139 #define NFS_KERBW1(t)	(*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
140 #endif
141