The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: 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 /*
    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  * $FreeBSD$
   38  */
   39 
   40 
   41 #ifndef _NFS_RPCV2_H_
   42 #define _NFS_RPCV2_H_
   43 
   44 /*
   45  * Definitions for Sun RPC Version 2, from
   46  * "RPC: Remote Procedure Call Protocol Specification" RFC1057
   47  */
   48 
   49 /* Version # */
   50 #define RPC_VER2        2
   51 
   52 /* Authentication */
   53 #define RPCAUTH_NULL    0
   54 #define RPCAUTH_UNIX    1
   55 #define RPCAUTH_SHORT   2
   56 #define RPCAUTH_KERB4   4
   57 #define RPCAUTH_NQNFS   300000
   58 #define RPCAUTH_MAXSIZ  400
   59 #define RPCVERF_MAXSIZ  12      /* For Kerb, can actually be 400 */
   60 #define RPCAUTH_UNIXGIDS 16
   61 
   62 /*
   63  * Constants associated with authentication flavours.
   64  */
   65 #define RPCAKN_FULLNAME 0
   66 #define RPCAKN_NICKNAME 1
   67 
   68 /* Rpc Constants */
   69 #define RPC_CALL        0
   70 #define RPC_REPLY       1
   71 #define RPC_MSGACCEPTED 0
   72 #define RPC_MSGDENIED   1
   73 #define RPC_PROGUNAVAIL 1
   74 #define RPC_PROGMISMATCH        2
   75 #define RPC_PROCUNAVAIL 3
   76 #define RPC_GARBAGE     4               /* I like this one */
   77 #define RPC_MISMATCH    0
   78 #define RPC_AUTHERR     1
   79 
   80 /* Authentication failures */
   81 #define AUTH_BADCRED    1
   82 #define AUTH_REJECTCRED 2
   83 #define AUTH_BADVERF    3
   84 #define AUTH_REJECTVERF 4
   85 #define AUTH_TOOWEAK    5               /* Give em wheaties */
   86 
   87 /* Sizes of rpc header parts */
   88 #define RPC_SIZ         24
   89 #define RPC_REPLYSIZ    28
   90 
   91 /* RPC Prog definitions */
   92 #define RPCPROG_MNT     100005
   93 #define RPCMNT_VER1     1
   94 #define RPCMNT_VER3     3
   95 #define RPCMNT_MOUNT    1
   96 #define RPCMNT_DUMP     2
   97 #define RPCMNT_UMOUNT   3
   98 #define RPCMNT_UMNTALL  4
   99 #define RPCMNT_EXPORT   5
  100 #define RPCMNT_NAMELEN  255
  101 #define RPCMNT_PATHLEN  1024
  102 #define RPCPROG_NFS     100003
  103 
  104 /*
  105  * Structures used for RPCAUTH_KERB4.
  106  */
  107 struct nfsrpc_fullverf {
  108         u_int32_t       t1;
  109         u_int32_t       t2;
  110         u_int32_t       w2;
  111 };
  112 
  113 struct nfsrpc_fullblock {
  114         u_int32_t       t1;
  115         u_int32_t       t2;
  116         u_int32_t       w1;
  117         u_int32_t       w2;
  118 };
  119 
  120 struct nfsrpc_nickverf {
  121         u_int32_t               kind;
  122         struct nfsrpc_fullverf  verf;
  123 };
  124 
  125 /*
  126  * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
  127  * constants, well then things will break in mount_nfs and nfsd.
  128  */
  129 #define RPCX_FULLVERF   12
  130 #define RPCX_FULLBLOCK  16
  131 #define RPCX_NICKVERF   16
  132 
  133 #ifdef NFSKERB
  134 XXX
  135 #else
  136 typedef u_char                  NFSKERBKEY_T[2];
  137 typedef u_char                  NFSKERBKEYSCHED_T[2];
  138 #endif
  139 #define NFS_KERBSRV     "rcmd"          /* Kerberos Service for NFS */
  140 #define NFS_KERBTTL     (30 * 60)       /* Credential ttl (sec) */
  141 #define NFS_KERBCLOCKSKEW (5 * 60)      /* Clock skew (sec) */
  142 #define NFS_KERBW1(t)   (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
  143 #endif

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