contrib/tcpdump-3.9/rpc_msg.h

   1 /* @(#) $Header: /tcpdump/master/tcpdump/rpc_msg.h,v 1.1.2.1 2005/04/27 21:44:07 guy Exp $ (LBL) */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  *
  30  *      from: @(#)rpc_msg.h 1.7 86/07/16 SMI
  31  *      from: @(#)rpc_msg.h     2.1 88/07/29 4.0 RPCSRC
  32  * $FreeBSD: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp $
  33  */
  34
  35 /*
  36  * rpc_msg.h
  37  * rpc message definition
  38  *
  39  * Copyright (C) 1984, Sun Microsystems, Inc.
  40  */
  41
  42 #define SUNRPC_MSG_VERSION      ((u_int32_t) 2)
  43
  44 /*
  45  * Bottom up definition of an rpc message.
  46  * NOTE: call and reply use the same overall stuct but
  47  * different parts of unions within it.
  48  */
  49
  50 enum sunrpc_msg_type {
  51         SUNRPC_CALL=0,
  52         SUNRPC_REPLY=1
  53 };
  54
  55 enum sunrpc_reply_stat {
  56         SUNRPC_MSG_ACCEPTED=0,
  57         SUNRPC_MSG_DENIED=1
  58 };
  59
  60 enum sunrpc_accept_stat {
  61         SUNRPC_SUCCESS=0,
  62         SUNRPC_PROG_UNAVAIL=1,
  63         SUNRPC_PROG_MISMATCH=2,
  64         SUNRPC_PROC_UNAVAIL=3,
  65         SUNRPC_GARBAGE_ARGS=4,
  66         SUNRPC_SYSTEM_ERR=5
  67 };
  68
  69 enum sunrpc_reject_stat {
  70         SUNRPC_RPC_MISMATCH=0,
  71         SUNRPC_AUTH_ERROR=1
  72 };
  73
  74 /*
  75  * Reply part of an rpc exchange
  76  */
  77
  78 /*
  79  * Reply to an rpc request that was rejected by the server.
  80  */
  81 struct sunrpc_rejected_reply {
  82         u_int32_t                rj_stat;       /* enum reject_stat */
  83         union {
  84                 struct {
  85                         u_int32_t low;
  86                         u_int32_t high;
  87                 } RJ_versions;
  88                 u_int32_t RJ_why;  /* enum auth_stat - why authentication did not work */
  89         } ru;
  90 #define rj_vers ru.RJ_versions
  91 #define rj_why  ru.RJ_why
  92 };
  93
  94 /*
  95  * Body of a reply to an rpc request.
  96  */
  97 struct sunrpc_reply_body {
  98         u_int32_t       rp_stat;                /* enum reply_stat */
  99         struct sunrpc_rejected_reply rp_reject; /* if rejected */
 100 };
 101
 102 /*
 103  * Body of an rpc request call.
 104  */
 105 struct sunrpc_call_body {
 106         u_int32_t cb_rpcvers;   /* must be equal to two */
 107         u_int32_t cb_prog;
 108         u_int32_t cb_vers;
 109         u_int32_t cb_proc;
 110         struct sunrpc_opaque_auth cb_cred;
 111         /* followed by opaque verifier */
 112 };
 113
 114 /*
 115  * The rpc message
 116  */
 117 struct sunrpc_msg {
 118         u_int32_t               rm_xid;
 119         u_int32_t               rm_direction;   /* enum msg_type */
 120         union {
 121                 struct sunrpc_call_body RM_cmb;
 122                 struct sunrpc_reply_body RM_rmb;
 123         } ru;
 124 #define rm_call         ru.RM_cmb
 125 #define rm_reply        ru.RM_rmb
 126 };
 127 #define acpted_rply     ru.RM_rmb.ru.RP_ar
 128 #define rjcted_rply     ru.RM_rmb.ru.RP_dr