FreeBSD/Linux Kernel Cross Reference
sys/nfs/rpcv2.h

     /*
      * Copyright (c) 1989, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
      * Rick Macklem at The University of Guelph.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)rpcv2.h     8.2 (Berkeley) 3/30/95
     * $FreeBSD$
     */
    
    
    #ifndef _NFS_RPCV2_H_
    #define _NFS_RPCV2_H_
    
    /*
     * Definitions for Sun RPC Version 2, from
     * "RPC: Remote Procedure Call Protocol Specification" RFC1057
     */
    
    /* Version # */
    #define RPC_VER2        2
    
    /* Authentication */
    #define RPCAUTH_NULL    0
    #define RPCAUTH_UNIX    1
    #define RPCAUTH_SHORT   2
    #define RPCAUTH_KERB4   4
    #define RPCAUTH_NQNFS   300000
    #define RPCAUTH_MAXSIZ  400
    #define RPCVERF_MAXSIZ  12      /* For Kerb, can actually be 400 */
    #define RPCAUTH_UNIXGIDS 16
    
    /*
     * Constants associated with authentication flavours.
     */
    #define RPCAKN_FULLNAME 0
    #define RPCAKN_NICKNAME 1
    
    /* Rpc Constants */
    #define RPC_CALL        0
    #define RPC_REPLY       1
    #define RPC_MSGACCEPTED 0
    #define RPC_MSGDENIED   1
    #define RPC_PROGUNAVAIL 1
    #define RPC_PROGMISMATCH        2
    #define RPC_PROCUNAVAIL 3
    #define RPC_GARBAGE     4               /* I like this one */
    #define RPC_MISMATCH    0
    #define RPC_AUTHERR     1
    
    /* Authentication failures */
    #define AUTH_BADCRED    1
    #define AUTH_REJECTCRED 2
    #define AUTH_BADVERF    3
    #define AUTH_REJECTVERF 4
    #define AUTH_TOOWEAK    5               /* Give em wheaties */
    
    /* Sizes of rpc header parts */
    #define RPC_SIZ         24
    #define RPC_REPLYSIZ    28
    
    /* RPC Prog definitions */
    #define RPCPROG_MNT     100005
    #define RPCMNT_VER1     1
    #define RPCMNT_VER3     3
    #define RPCMNT_MOUNT    1
    #define RPCMNT_DUMP     2
    #define RPCMNT_UMOUNT   3
    #define RPCMNT_UMNTALL  4
    #define RPCMNT_EXPORT   5
   #define RPCMNT_NAMELEN  255
   #define RPCMNT_PATHLEN  1024
   #define RPCPROG_NFS     100003
   
   /*
    * Structures used for RPCAUTH_KERB4.
    */
   struct nfsrpc_fullverf {
           u_int32_t       t1;
           u_int32_t       t2;
           u_int32_t       w2;
   };
   
   struct nfsrpc_fullblock {
           u_int32_t       t1;
           u_int32_t       t2;
           u_int32_t       w1;
           u_int32_t       w2;
   };
   
   struct nfsrpc_nickverf {
           u_int32_t               kind;
           struct nfsrpc_fullverf  verf;
   };
   
   /*
    * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
    * constants, well then things will break in mount_nfs and nfsd.
    */
   #define RPCX_FULLVERF   12
   #define RPCX_FULLBLOCK  16
   #define RPCX_NICKVERF   16
   
   #ifdef NFSKERB
   XXX
   #else
   typedef u_char                  NFSKERBKEY_T[2];
   typedef u_char                  NFSKERBKEYSCHED_T[2];
   #endif
   #define NFS_KERBSRV     "rcmd"          /* Kerberos Service for NFS */
   #define NFS_KERBTTL     (30 * 60)       /* Credential ttl (sec) */
   #define NFS_KERBCLOCKSKEW (5 * 60)      /* Clock skew (sec) */
   #define NFS_KERBW1(t)   (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
   #endif

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