contrib/tcpdump/rpc_msg.h

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user.
   8  *
   9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10  * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12  *
  13  * Sun RPC is provided with no support and without any obligation on the
  14  * part of Sun Microsystems, Inc. to assist in its use, correction,
  15  * modification or enhancement.
  16  *
  17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19  * OR ANY PART THEREOF.
  20  *
  21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22  * or profits or other special, indirect and consequential damages, even if
  23  * Sun has been advised of the possibility of such damages.
  24  *
  25  * Sun Microsystems, Inc.
  26  * 2550 Garcia Avenue
  27  * Mountain View, California  94043
  28  *
  29  *      from: @(#)rpc_msg.h 1.7 86/07/16 SMI
  30  *      from: @(#)rpc_msg.h     2.1 88/07/29 4.0 RPCSRC
  31  * $FreeBSD: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp $
  32  */
  33
  34 /*
  35  * rpc_msg.h
  36  * rpc message definition
  37  *
  38  * Copyright (C) 1984, Sun Microsystems, Inc.
  39  */
  40
  41 #define SUNRPC_MSG_VERSION      ((uint32_t) 2)
  42
  43 /*
  44  * Bottom up definition of an rpc message.
  45  * NOTE: call and reply use the same overall stuct but
  46  * different parts of unions within it.
  47  */
  48
  49 enum sunrpc_msg_type {
  50         SUNRPC_CALL=0,
  51         SUNRPC_REPLY=1
  52 };
  53
  54 enum sunrpc_reply_stat {
  55         SUNRPC_MSG_ACCEPTED=0,
  56         SUNRPC_MSG_DENIED=1
  57 };
  58
  59 enum sunrpc_accept_stat {
  60         SUNRPC_SUCCESS=0,
  61         SUNRPC_PROG_UNAVAIL=1,
  62         SUNRPC_PROG_MISMATCH=2,
  63         SUNRPC_PROC_UNAVAIL=3,
  64         SUNRPC_GARBAGE_ARGS=4,
  65         SUNRPC_SYSTEM_ERR=5
  66 };
  67
  68 enum sunrpc_reject_stat {
  69         SUNRPC_RPC_MISMATCH=0,
  70         SUNRPC_AUTH_ERROR=1
  71 };
  72
  73 /*
  74  * Reply part of an rpc exchange
  75  */
  76
  77 /*
  78  * Reply to an rpc request that was rejected by the server.
  79  */
  80 struct sunrpc_rejected_reply {
  81         uint32_t                 rj_stat;       /* enum reject_stat */
  82         union {
  83                 struct {
  84                         uint32_t low;
  85                         uint32_t high;
  86                 } RJ_versions;
  87                 uint32_t RJ_why;  /* enum auth_stat - why authentication did not work */
  88         } ru;
  89 #define rj_vers ru.RJ_versions
  90 #define rj_why  ru.RJ_why
  91 };
  92
  93 /*
  94  * Body of a reply to an rpc request.
  95  */
  96 struct sunrpc_reply_body {
  97         uint32_t        rp_stat;                /* enum reply_stat */
  98         struct sunrpc_rejected_reply rp_reject; /* if rejected */
  99 };
 100
 101 /*
 102  * Body of an rpc request call.
 103  */
 104 struct sunrpc_call_body {
 105         uint32_t cb_rpcvers;    /* must be equal to two */
 106         uint32_t cb_prog;
 107         uint32_t cb_vers;
 108         uint32_t cb_proc;
 109         struct sunrpc_opaque_auth cb_cred;
 110         /* followed by opaque verifier */
 111 };
 112
 113 /*
 114  * The rpc message
 115  */
 116 struct sunrpc_msg {
 117         uint32_t                rm_xid;
 118         uint32_t                rm_direction;   /* enum msg_type */
 119         union {
 120                 struct sunrpc_call_body RM_cmb;
 121                 struct sunrpc_reply_body RM_rmb;
 122         } ru;
 123 #define rm_call         ru.RM_cmb
 124 #define rm_reply        ru.RM_rmb
 125 };
 126 #define acpted_rply     ru.RM_rmb.ru.RP_ar
 127 #define rjcted_rply     ru.RM_rmb.ru.RP_dr