198 lines
4.0 KiB
C
198 lines
4.0 KiB
C
#ifndef __RPC_RPC_MSG_H__
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#define __RPC_RPC_MSG_H__
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#ident "$Revision: 2.9 $"
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/*
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*
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* Copyright 1992, Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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* the contents of this file may not be disclosed to third parties, copied or
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* duplicated in any form, in whole or in part, without the prior written
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* permission of Silicon Graphics, Inc.
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*
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* RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to restrictions
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* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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* rights reserved under the Copyright Laws of the United States.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* @(#)rpc_msg.h 1.2 90/07/17 4.1NFSSRC SMI */
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/*
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* Copyright (c) 1990 by Sun Microsystems, Inc.
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* @(#)rpc_msg.h 1.8 88/02/08 SMI
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*/
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/*
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* rpc_msg.h
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* rpc message definition
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*/
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#include "xdr.h"
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#define RPC_MSG_VERSION ((u_long) 2)
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#define RPC_SERVICE_PORT ((u_short) 2048)
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/*
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* Bottom up definition of an rpc message.
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* NOTE: call and reply use the same overall stuct but
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* different parts of unions within it.
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*/
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enum msg_type {
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CALL=0,
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REPLY=1
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};
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enum reply_stat {
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MSG_ACCEPTED=0,
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MSG_DENIED=1
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};
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enum accept_stat {
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SUCCESS=0,
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PROG_UNAVAIL=1,
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PROG_MISMATCH=2,
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PROC_UNAVAIL=3,
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GARBAGE_ARGS=4,
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SYSTEM_ERR=5
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};
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enum reject_stat {
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RPC_MISMATCH=0,
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AUTH_ERROR=1
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};
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/*
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* Reply part of an rpc exchange
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*/
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/*
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* Reply to an rpc request that was accepted by the server.
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* Note: there could be an error even though the request was
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* accepted.
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*/
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struct accepted_reply {
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struct opaque_auth ar_verf;
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enum accept_stat ar_stat;
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union {
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struct {
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u_long low;
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u_long high;
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} AR_versions;
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struct {
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#ifdef _SVR4_TIRPC
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char *where;
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#else
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void *where;
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#endif
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xdrproc_t proc;
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} AR_results;
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/* and many other null cases */
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} ru;
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#define ar_results ru.AR_results
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#define ar_vers ru.AR_versions
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};
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/*
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* Reply to an rpc request that was rejected by the server.
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*/
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struct rejected_reply {
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enum reject_stat rj_stat;
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union {
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struct {
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u_long low;
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u_long high;
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} RJ_versions;
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enum auth_stat RJ_why; /* why authentication did not work */
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} ru;
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#define rj_vers ru.RJ_versions
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#define rj_why ru.RJ_why
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};
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/*
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* Body of a reply to an rpc request.
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*/
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struct reply_body {
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enum reply_stat rp_stat;
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union {
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struct accepted_reply RP_ar;
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struct rejected_reply RP_dr;
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} ru;
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#define rp_acpt ru.RP_ar
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#define rp_rjct ru.RP_dr
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};
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/*
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* Body of an rpc request call.
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*/
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struct call_body {
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u_long cb_rpcvers; /* must be equal to two */
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u_long cb_prog;
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u_long cb_vers;
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u_long cb_proc;
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struct opaque_auth cb_cred;
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struct opaque_auth cb_verf; /* protocol specific - provided by client */
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};
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/*
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* The rpc message
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*/
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struct rpc_msg {
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u_long rm_xid;
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enum msg_type rm_direction;
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union {
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struct call_body RM_cmb;
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struct reply_body RM_rmb;
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} ru;
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#define rm_call ru.RM_cmb
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#define rm_reply ru.RM_rmb
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};
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#define acpted_rply ru.RM_rmb.ru.RP_ar
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#define rjcted_rply ru.RM_rmb.ru.RP_dr
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/*
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* XDR routine to handle a rpc message.
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*/
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extern bool_t xdr_callmsg(XDR *, struct rpc_msg *);
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/*
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* XDR routine to pre-serialize the static part of a rpc message.
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*/
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extern bool_t xdr_callhdr(XDR *, struct rpc_msg *);
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/*
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* XDR routine to handle a rpc reply.
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*/
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extern bool_t xdr_replymsg(XDR *, struct rpc_msg *);
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/* XDR an opaque authentication struct */
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extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);
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/* XDR the MSG_ACCEPTED part of a reply message union */
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extern bool_t xdr_accepted_reply(XDR *, struct accepted_reply *);
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/* XDR the MSG_DENIED part of a reply message union */
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extern bool_t xdr_rejected_reply(XDR *, struct rejected_reply *);
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/*
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* Fills in the error part of a reply message.
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*/
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extern void _seterr_reply(struct rpc_msg *, struct rpc_err *e);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__RPC_RPC_MSG_H__ */
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