The Tcpdump Group git mirrors - tcpdump/blob - win32/Include/Rpc/rpc.h

   1 /*
   2  * Copyright (c) 1999 - 2000
   3  * NetGroup, Politecnico di Torino (Italy)
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  * notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  * notice, this list of conditions and the following disclaimer in the
  14  * documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the Politecnico di Torino nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  */
  32
  33 enum auth_stat {
  34         AUTH_OK=0,
  35         /*
  36          * failed at remote end
  37          */
  38         AUTH_BADCRED=1,                 /* bogus credentials (seal broken) */
  39         AUTH_REJECTEDCRED=2,            /* client should begin new session */
  40         AUTH_BADVERF=3,                 /* bogus verifier (seal broken) */
  41         AUTH_REJECTEDVERF=4,            /* verifier expired or was replayed */
  42         AUTH_TOOWEAK=5,                 /* rejected due to security reasons */
  43         /*
  44          * failed locally
  45         */
  46         AUTH_INVALIDRESP=6,             /* bogus response verifier */
  47         AUTH_FAILED=7                   /* some unknown reason */
  48 };
  49
  50 enum msg_type {
  51         CALL=0,
  52         REPLY=1
  53 };
  54
  55 enum reply_stat {
  56         MSG_ACCEPTED=0,
  57         MSG_DENIED=1
  58 };
  59
  60 enum accept_stat {
  61         SUCCESS=0,
  62         PROG_UNAVAIL=1,
  63         PROG_MISMATCH=2,
  64         PROC_UNAVAIL=3,
  65         GARBAGE_ARGS=4,
  66         SYSTEM_ERR=5
  67 };
  68
  69 enum reject_stat {
  70         RPC_MISMATCH=0,
  71         AUTH_ERROR=1
  72 };
  73
  74 #define u_long unsigned long
  75 #define u_int unsigned int
  76 #define u_short unsigned short
  77 #define enum_t int
  78 #define caddr_t char*
  79
  80 struct opaque_auth {
  81         enum_t  oa_flavor;              /* flavor of auth */
  82         caddr_t oa_base;                /* address of more auth stuff */
  83         u_int   oa_length;              /* not to exceed MAX_AUTH_BYTES */
  84 };
  85
  86 struct accepted_reply {
  87         struct opaque_auth      ar_verf;
  88         enum accept_stat        ar_stat;
  89         union {
  90                 struct {
  91                         u_long  low;
  92                         u_long  high;
  93                 } AR_versions;
  94                 /*struct {
  95                         caddr_t where;
  96                         xdrproc_t proc;
  97                 } AR_results;
  98                 /* and many other null cases */
  99         } ru;
 100 #define ar_results      ru.AR_results
 101 #define ar_vers         ru.AR_versions
 102 };
 103
 104 struct rejected_reply {
 105         enum reject_stat rj_stat;
 106         union {
 107                 struct {
 108                         u_long low;
 109                         u_long high;
 110                 } RJ_versions;
 111                 enum auth_stat RJ_why;  /* why authentication did not work */
 112         } ru;
 113 #define rj_vers ru.RJ_versions
 114 #define rj_why  ru.RJ_why
 115 };
 116
 117 struct reply_body {
 118         enum reply_stat rp_stat;
 119         union {
 120                 struct accepted_reply RP_ar;
 121                 struct rejected_reply RP_dr;
 122         } ru;
 123 #define rp_acpt ru.RP_ar
 124 #define rp_rjct ru.RP_dr
 125 };
 126
 127 struct call_body {
 128         u_long cb_rpcvers;      /* must be equal to two */
 129         u_long cb_prog;
 130         u_long cb_vers;
 131         u_long cb_proc;
 132         struct opaque_auth cb_cred;
 133         struct opaque_auth cb_verf; /* protocol specific - provided by client */
 134 };
 135
 136 struct rpc_msg {
 137         u_long                  rm_xid;
 138         enum msg_type           rm_direction;
 139         union {
 140                 struct call_body RM_cmb;
 141                 struct reply_body RM_rmb;
 142         } ru;
 143 #define rm_call         ru.RM_cmb
 144 #define rm_reply        ru.RM_rmb
 145 };
 146
 147 #define PMAPPORT                ((u_short)111)
 148 #define PMAPPROG                ((u_long)100000)
 149 #define PMAPVERS                ((u_long)2)
 150 #define PMAPVERS_PROTO          ((u_long)2)
 151 #define PMAPVERS_ORIG           ((u_long)1)
 152 #define PMAPPROC_NULL           ((u_long)0)
 153 #define PMAPPROC_SET            ((u_long)1)
 154 #define PMAPPROC_UNSET          ((u_long)2)
 155 #define PMAPPROC_GETPORT        ((u_long)3)
 156 #define PMAPPROC_DUMP           ((u_long)4)
 157 #define PMAPPROC_CALLIT         ((u_long)5)