sys/vfs/nfs/rpcv2.h

   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