xref: /netbsd-src/sys/nfs/rpcv2.h (revision 1323029832cc0d57fb205789f4d60c332cd981af)
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 */
102 struct rpcv2_time {
103 	u_int32_t rpc_sec;
104 	u_int32_t rpc_usec;
105 };
106 
107 /*
108  * Structures used for RPCAUTH_KERB4.
109  */
110 struct nfsrpc_fullverf {
111 	u_int32_t t1;
112 	u_int32_t t2;
113 	u_int32_t w2;
114 };
115 
116 struct nfsrpc_fullblock {
117 	u_int32_t t1;
118 	u_int32_t t2;
119 	u_int32_t w1;
120 	u_int32_t w2;
121 };
122 
123 struct 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
137 XXX
138 #else
139 typedef u_char			NFSKERBKEY_T[2];
140 typedef 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_ */
148