The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/nfs/rpcv2.h

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    1 /*      $NetBSD: rpcv2.h,v 1.12 2006/12/28 00:39:03 yamt 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

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