[028aaaf] | 1 | /* $NetBSD: rpc_msg.h,v 1.11 2000/06/02 22:57:56 fvdl Exp $ */ |
---|
| 2 | |
---|
[7eeb079] | 3 | /*- |
---|
| 4 | * Copyright (c) 2009, Sun Microsystems, Inc. |
---|
| 5 | * All rights reserved. |
---|
[028aaaf] | 6 | * |
---|
[7eeb079] | 7 | * Redistribution and use in source and binary forms, with or without |
---|
| 8 | * modification, are permitted provided that the following conditions are met: |
---|
| 9 | * - Redistributions of source code must retain the above copyright notice, |
---|
| 10 | * this list of conditions and the following disclaimer. |
---|
| 11 | * - Redistributions in binary form must reproduce the above copyright notice, |
---|
| 12 | * this list of conditions and the following disclaimer in the documentation |
---|
| 13 | * and/or other materials provided with the distribution. |
---|
| 14 | * - Neither the name of Sun Microsystems, Inc. nor the names of its |
---|
| 15 | * contributors may be used to endorse or promote products derived |
---|
| 16 | * from this software without specific prior written permission. |
---|
[028aaaf] | 17 | * |
---|
[7eeb079] | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
---|
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
---|
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
---|
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
---|
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
---|
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
---|
[028aaaf] | 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 | * $FreeBSD$ |
---|
| 33 | */ |
---|
| 34 | |
---|
| 35 | /* |
---|
| 36 | * rpc_msg.h |
---|
| 37 | * rpc message definition |
---|
| 38 | * |
---|
| 39 | * Copyright (C) 1984, Sun Microsystems, Inc. |
---|
| 40 | */ |
---|
| 41 | |
---|
| 42 | #ifndef _RPC_RPC_MSG_H |
---|
| 43 | #define _RPC_RPC_MSG_H |
---|
| 44 | |
---|
| 45 | #define RPC_MSG_VERSION ((u_int32_t) 2) |
---|
| 46 | #define RPC_SERVICE_PORT ((u_short) 2048) |
---|
| 47 | |
---|
| 48 | /* |
---|
| 49 | * Bottom up definition of an rpc message. |
---|
| 50 | * NOTE: call and reply use the same overall stuct but |
---|
| 51 | * different parts of unions within it. |
---|
| 52 | */ |
---|
| 53 | |
---|
| 54 | enum msg_type { |
---|
| 55 | CALL=0, |
---|
[9880635] | 56 | REPLY=1, |
---|
| 57 | _MSG_TYPE = 0xffffffff |
---|
[028aaaf] | 58 | }; |
---|
| 59 | |
---|
| 60 | enum reply_stat { |
---|
| 61 | MSG_ACCEPTED=0, |
---|
[9880635] | 62 | MSG_DENIED=1, |
---|
| 63 | _REPLY_STAT = 0xffffffff |
---|
[028aaaf] | 64 | }; |
---|
| 65 | |
---|
| 66 | enum accept_stat { |
---|
| 67 | SUCCESS=0, |
---|
| 68 | PROG_UNAVAIL=1, |
---|
| 69 | PROG_MISMATCH=2, |
---|
| 70 | PROC_UNAVAIL=3, |
---|
| 71 | GARBAGE_ARGS=4, |
---|
[9880635] | 72 | SYSTEM_ERR=5, |
---|
| 73 | _ACCEPT_STAT = 0xffffffff |
---|
[028aaaf] | 74 | }; |
---|
| 75 | |
---|
| 76 | enum reject_stat { |
---|
| 77 | RPC_MISMATCH=0, |
---|
[9880635] | 78 | AUTH_ERROR=1, |
---|
| 79 | _REJECT_STAT = 0xffffffff |
---|
[028aaaf] | 80 | }; |
---|
| 81 | |
---|
| 82 | /* |
---|
| 83 | * Reply part of an rpc exchange |
---|
| 84 | */ |
---|
| 85 | |
---|
| 86 | /* |
---|
| 87 | * Reply to an rpc request that was accepted by the server. |
---|
| 88 | * Note: there could be an error even though the request was |
---|
| 89 | * accepted. |
---|
| 90 | */ |
---|
| 91 | struct accepted_reply { |
---|
| 92 | struct opaque_auth ar_verf; |
---|
| 93 | enum accept_stat ar_stat; |
---|
| 94 | union { |
---|
| 95 | struct { |
---|
| 96 | rpcvers_t low; |
---|
| 97 | rpcvers_t high; |
---|
| 98 | } AR_versions; |
---|
| 99 | struct { |
---|
| 100 | caddr_t where; |
---|
| 101 | xdrproc_t proc; |
---|
| 102 | } AR_results; |
---|
| 103 | /* and many other null cases */ |
---|
| 104 | } ru; |
---|
| 105 | #define ar_results ru.AR_results |
---|
| 106 | #define ar_vers ru.AR_versions |
---|
| 107 | }; |
---|
| 108 | |
---|
| 109 | /* |
---|
| 110 | * Reply to an rpc request that was rejected by the server. |
---|
| 111 | */ |
---|
| 112 | struct rejected_reply { |
---|
| 113 | enum reject_stat rj_stat; |
---|
| 114 | union { |
---|
| 115 | struct { |
---|
| 116 | rpcvers_t low; |
---|
| 117 | rpcvers_t high; |
---|
| 118 | } RJ_versions; |
---|
| 119 | enum auth_stat RJ_why; /* why authentication did not work */ |
---|
| 120 | } ru; |
---|
| 121 | #define rj_vers ru.RJ_versions |
---|
| 122 | #define rj_why ru.RJ_why |
---|
| 123 | }; |
---|
| 124 | |
---|
| 125 | /* |
---|
| 126 | * Body of a reply to an rpc request. |
---|
| 127 | */ |
---|
| 128 | struct reply_body { |
---|
| 129 | enum reply_stat rp_stat; |
---|
| 130 | union { |
---|
| 131 | struct accepted_reply RP_ar; |
---|
| 132 | struct rejected_reply RP_dr; |
---|
| 133 | } ru; |
---|
| 134 | #define rp_acpt ru.RP_ar |
---|
| 135 | #define rp_rjct ru.RP_dr |
---|
| 136 | }; |
---|
| 137 | |
---|
| 138 | /* |
---|
| 139 | * Body of an rpc request call. |
---|
| 140 | */ |
---|
| 141 | struct call_body { |
---|
| 142 | rpcvers_t cb_rpcvers; /* must be equal to two */ |
---|
| 143 | rpcprog_t cb_prog; |
---|
| 144 | rpcvers_t cb_vers; |
---|
| 145 | rpcproc_t cb_proc; |
---|
| 146 | struct opaque_auth cb_cred; |
---|
| 147 | struct opaque_auth cb_verf; /* protocol specific - provided by client */ |
---|
| 148 | }; |
---|
| 149 | |
---|
| 150 | /* |
---|
| 151 | * The rpc message |
---|
| 152 | */ |
---|
| 153 | struct rpc_msg { |
---|
| 154 | u_int32_t rm_xid; |
---|
| 155 | enum msg_type rm_direction; |
---|
| 156 | union { |
---|
| 157 | struct call_body RM_cmb; |
---|
| 158 | struct reply_body RM_rmb; |
---|
| 159 | } ru; |
---|
| 160 | #define rm_call ru.RM_cmb |
---|
| 161 | #define rm_reply ru.RM_rmb |
---|
| 162 | }; |
---|
| 163 | #define acpted_rply ru.RM_rmb.ru.RP_ar |
---|
| 164 | #define rjcted_rply ru.RM_rmb.ru.RP_dr |
---|
| 165 | |
---|
| 166 | __BEGIN_DECLS |
---|
| 167 | /* |
---|
| 168 | * XDR routine to handle a rpc message. |
---|
| 169 | * xdr_callmsg(xdrs, cmsg) |
---|
| 170 | * XDR *xdrs; |
---|
| 171 | * struct rpc_msg *cmsg; |
---|
| 172 | */ |
---|
| 173 | extern bool_t xdr_callmsg(XDR *, struct rpc_msg *); |
---|
| 174 | |
---|
| 175 | /* |
---|
| 176 | * XDR routine to pre-serialize the static part of a rpc message. |
---|
| 177 | * xdr_callhdr(xdrs, cmsg) |
---|
| 178 | * XDR *xdrs; |
---|
| 179 | * struct rpc_msg *cmsg; |
---|
| 180 | */ |
---|
| 181 | extern bool_t xdr_callhdr(XDR *, struct rpc_msg *); |
---|
| 182 | |
---|
| 183 | /* |
---|
| 184 | * XDR routine to handle a rpc reply. |
---|
| 185 | * xdr_replymsg(xdrs, rmsg) |
---|
| 186 | * XDR *xdrs; |
---|
| 187 | * struct rpc_msg *rmsg; |
---|
| 188 | */ |
---|
| 189 | extern bool_t xdr_replymsg(XDR *, struct rpc_msg *); |
---|
| 190 | |
---|
| 191 | |
---|
| 192 | /* |
---|
| 193 | * XDR routine to handle an accepted rpc reply. |
---|
| 194 | * xdr_accepted_reply(xdrs, rej) |
---|
| 195 | * XDR *xdrs; |
---|
| 196 | * struct accepted_reply *rej; |
---|
| 197 | */ |
---|
| 198 | extern bool_t xdr_accepted_reply(XDR *, struct accepted_reply *); |
---|
| 199 | |
---|
| 200 | /* |
---|
| 201 | * XDR routine to handle a rejected rpc reply. |
---|
| 202 | * xdr_rejected_reply(xdrs, rej) |
---|
| 203 | * XDR *xdrs; |
---|
| 204 | * struct rejected_reply *rej; |
---|
| 205 | */ |
---|
| 206 | extern bool_t xdr_rejected_reply(XDR *, struct rejected_reply *); |
---|
| 207 | |
---|
| 208 | /* |
---|
| 209 | * Fills in the error part of a reply message. |
---|
| 210 | * _seterr_reply(msg, error) |
---|
| 211 | * struct rpc_msg *msg; |
---|
| 212 | * struct rpc_err *error; |
---|
| 213 | */ |
---|
| 214 | extern void _seterr_reply(struct rpc_msg *, struct rpc_err *); |
---|
| 215 | __END_DECLS |
---|
| 216 | |
---|
| 217 | #endif /* !_RPC_RPC_MSG_H */ |
---|