xref: /dragonfly/sys/vfs/nfs/rpcv2.h (revision 2c64e990ea2bb1213bd0758af732469466873ba6)
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