xref: /dragonfly/sys/vfs/nfs/rpcv2.h (revision 9f7604d7)
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 $
38  * $DragonFly: src/sys/vfs/nfs/rpcv2.h,v 1.2 2003/06/17 04:28:54 dillon Exp $
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  */
108 struct nfsrpc_fullverf {
109 	u_int32_t	t1;
110 	u_int32_t	t2;
111 	u_int32_t	w2;
112 };
113 
114 struct nfsrpc_fullblock {
115 	u_int32_t	t1;
116 	u_int32_t	t2;
117 	u_int32_t	w1;
118 	u_int32_t	w2;
119 };
120 
121 struct 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
135 XXX
136 #else
137 typedef u_char			NFSKERBKEY_T[2];
138 typedef 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
145