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- /*
- * rpc_msg.h
- * rpc message definition
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- * * Neither the name of Sun Microsystems, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- #ifndef _RPC_MSG_H
- #define _RPC_MSG_H 1
-
- #include <sys/cdefs.h>
-
- #include <rpc/xdr.h>
- #include <rpc/clnt.h>
-
- #define RPC_MSG_VERSION ((u_long) 2)
- #define RPC_SERVICE_PORT ((u_short) 2048)
-
- __BEGIN_DECLS
-
- /*
- * Bottom up definition of an rpc message.
- * NOTE: call and reply use the same overall struct but
- * different parts of unions within it.
- */
-
- enum msg_type {
- CALL=0,
- REPLY=1
- };
-
- enum reply_stat {
- MSG_ACCEPTED=0,
- MSG_DENIED=1
- };
-
- enum accept_stat {
- SUCCESS=0,
- PROG_UNAVAIL=1,
- PROG_MISMATCH=2,
- PROC_UNAVAIL=3,
- GARBAGE_ARGS=4,
- SYSTEM_ERR=5
- };
-
- enum reject_stat {
- RPC_MISMATCH=0,
- AUTH_ERROR=1
- };
-
- /*
- * Reply part of an rpc exchange
- */
-
- /*
- * Reply to an rpc request that was accepted by the server.
- * Note: there could be an error even though the request was
- * accepted.
- */
- struct accepted_reply {
- struct opaque_auth ar_verf;
- enum accept_stat ar_stat;
- union {
- struct {
- u_long low;
- u_long high;
- } AR_versions;
- struct {
- caddr_t where;
- xdrproc_t proc;
- } AR_results;
- /* and many other null cases */
- } ru;
- #define ar_results ru.AR_results
- #define ar_vers ru.AR_versions
- };
-
- /*
- * Reply to an rpc request that was rejected by the server.
- */
- struct rejected_reply {
- enum reject_stat rj_stat;
- union {
- struct {
- u_long low;
- u_long high;
- } RJ_versions;
- enum auth_stat RJ_why; /* why authentication did not work */
- } ru;
- #define rj_vers ru.RJ_versions
- #define rj_why ru.RJ_why
- };
-
- /*
- * Body of a reply to an rpc request.
- */
- struct reply_body {
- enum reply_stat rp_stat;
- union {
- struct accepted_reply RP_ar;
- struct rejected_reply RP_dr;
- } ru;
- #define rp_acpt ru.RP_ar
- #define rp_rjct ru.RP_dr
- };
-
- /*
- * Body of an rpc request call.
- */
- struct call_body {
- u_long cb_rpcvers; /* must be equal to two */
- u_long cb_prog;
- u_long cb_vers;
- u_long cb_proc;
- struct opaque_auth cb_cred;
- struct opaque_auth cb_verf; /* protocol specific - provided by client */
- };
-
- /*
- * The rpc message
- */
- struct rpc_msg {
- u_long rm_xid;
- enum msg_type rm_direction;
- union {
- struct call_body RM_cmb;
- struct reply_body RM_rmb;
- } ru;
- #define rm_call ru.RM_cmb
- #define rm_reply ru.RM_rmb
- };
- #define acpted_rply ru.RM_rmb.ru.RP_ar
- #define rjcted_rply ru.RM_rmb.ru.RP_dr
-
-
- /*
- * XDR routine to handle a rpc message.
- * xdr_callmsg(xdrs, cmsg)
- * XDR *xdrs;
- * struct rpc_msg *cmsg;
- */
- extern bool_t xdr_callmsg (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW;
-
- /*
- * XDR routine to pre-serialize the static part of a rpc message.
- * xdr_callhdr(xdrs, cmsg)
- * XDR *xdrs;
- * struct rpc_msg *cmsg;
- */
- extern bool_t xdr_callhdr (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW;
-
- /*
- * XDR routine to handle a rpc reply.
- * xdr_replymsg(xdrs, rmsg)
- * XDR *xdrs;
- * struct rpc_msg *rmsg;
- */
- extern bool_t xdr_replymsg (XDR *__xdrs, struct rpc_msg *__rmsg) __THROW;
-
- /*
- * Fills in the error part of a reply message.
- * _seterr_reply(msg, error)
- * struct rpc_msg *msg;
- * struct rpc_err *error;
- */
- extern void _seterr_reply (struct rpc_msg *__msg, struct rpc_err *__error)
- __THROW;
-
- __END_DECLS
-
- #endif /* rpc/rpc_msg.h */
-