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. 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