sys/nfs/rpcv2.h

   1 /*      $NetBSD: rpcv2.h,v 1.11 2005/12/11 12:25:17 christos 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
  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_MAXSIZ  400
  55 #define RPCVERF_MAXSIZ  12      /* For Kerb, can actually be 400 */
  56 #define RPCAUTH_UNIXGIDS 16
  57
  58 /*
  59  * Constants associated with authentication flavours.
  60  */
  61 #define RPCAKN_FULLNAME 0
  62 #define RPCAKN_NICKNAME 1
  63
  64 /* Rpc Constants */
  65 #define RPC_CALL        0
  66 #define RPC_REPLY       1
  67 #define RPC_MSGACCEPTED 0
  68 #define RPC_MSGDENIED   1
  69 #define RPC_PROGUNAVAIL 1
  70 #define RPC_PROGMISMATCH        2
  71 #define RPC_PROCUNAVAIL 3
  72 #define RPC_GARBAGE     4               /* I like this one */
  73 #define RPC_MISMATCH    0
  74 #define RPC_AUTHERR     1
  75
  76 /* Authentication failures */
  77 #define AUTH_BADCRED    1
  78 #define AUTH_REJECTCRED 2
  79 #define AUTH_BADVERF    3
  80 #define AUTH_REJECTVERF 4
  81 #define AUTH_TOOWEAK    5               /* Give em wheaties */
  82
  83 /* Sizes of rpc header parts */
  84 #define RPC_SIZ         24
  85 #define RPC_REPLYSIZ    28
  86
  87 /* RPC Prog definitions */
  88 #define RPCPROG_MNT     100005
  89 #define RPCMNT_VER1     1
  90 #define RPCMNT_VER3     3
  91 #define RPCMNT_MOUNT    1
  92 #define RPCMNT_DUMP     2
  93 #define RPCMNT_UMOUNT   3
  94 #define RPCMNT_UMNTALL  4
  95 #define RPCMNT_EXPORT   5
  96 #define RPCMNT_NAMELEN  255
  97 #define RPCMNT_PATHLEN  1024
  98 #define RPCPROG_NFS     100003
  99
 100 /* Structs for common parts of the rpc's */
 101 struct rpcv2_time {
 102         u_int32_t rpc_sec;
 103         u_int32_t rpc_usec;
 104 };
 105
 106 /*
 107  * Structures used for RPCAUTH_KERB4.
 108  */
 109 struct nfsrpc_fullverf {
 110         u_int32_t t1;
 111         u_int32_t t2;
 112         u_int32_t w2;
 113 };
 114
 115 struct nfsrpc_fullblock {
 116         u_int32_t t1;
 117         u_int32_t t2;
 118         u_int32_t w1;
 119         u_int32_t w2;
 120 };
 121
 122 struct nfsrpc_nickverf {
 123         u_int32_t kind;
 124         struct nfsrpc_fullverf  verf;
 125 };
 126
 127 /*
 128  * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
 129  * constants, well then things will break in mount_nfs and nfsd.
 130  */
 131 #define RPCX_FULLVERF   12
 132 #define RPCX_FULLBLOCK  16
 133 #define RPCX_NICKVERF   16
 134
 135 #ifdef NFSKERB
 136 XXX
 137 #else
 138 typedef u_char                  NFSKERBKEY_T[2];
 139 typedef u_char                  NFSKERBKEYSCHED_T[2];
 140 #endif
 141 #define NFS_KERBSRV     "rcmd"          /* Kerberos Service for NFS */
 142 #define NFS_KERBTTL     (30 * 60)       /* Credential ttl (sec) */
 143 #define NFS_KERBCLOCKSKEW (5 * 60)      /* Clock skew (sec) */
 144 #define NFS_KERBW1(t)   (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
 145 #endif