1/*	$OpenBSD: yppush_svc.c,v 1.15 2015/11/17 18:21:48 tedu Exp $ */
2
3/*
4 * Copyright (c) 1996 Mats O Jansson <moj@stacken.kth.se>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/types.h>
30#include <sys/socket.h>
31#include <netinet/in.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <netdb.h>
35#include <string.h>
36#include <syslog.h>
37#include <rpcsvc/yp.h>
38
39#include "yppush.h"
40
41#ifdef DEBUG
42#define RPC_SVC_FG
43#endif
44
45#define _RPCSVC_CLOSEDOWN 120
46int _rpcpmstart;		/* Started by a port monitor ? */
47int _rpcfdtype;			/* Whether Stream or Datagram ? */
48int _rpcsvcdirty;		/* Still serving ? */
49
50static
51void _msgout(char *msg)
52{
53#ifdef RPC_SVC_FG
54	if (_rpcpmstart)
55		syslog(LOG_ERR, "%s", msg);
56	else
57		(void) fprintf(stderr, "%s\n", msg);
58#else
59	syslog(LOG_ERR, "%s", msg);
60#endif
61}
62
63void
64yppush_xfrrespprog_1(struct svc_req *rqstp, SVCXPRT *transp)
65{
66	union argument {
67		int fill;
68	} argument;
69	char *result;
70	xdrproc_t xdr_argument, xdr_result;
71	char *(*local)(union argument *, struct svc_req *);
72
73	_rpcsvcdirty = 1;
74	switch (rqstp->rq_proc) {
75	case YPPUSHPROC_NULL:
76		xdr_argument = xdr_void;
77		xdr_result = xdr_void;
78		local = (char *(*)(union argument *, struct svc_req *))
79		    yppushproc_null_1_svc;
80		break;
81
82	case YPPUSHPROC_XFRRESP:
83		xdr_argument = xdr_yppushresp_xfr;
84		xdr_result = xdr_void;
85		local = (char *(*)(union argument *, struct svc_req *))
86		    yppushproc_xfrresp_1_svc;
87		break;
88
89	default:
90		svcerr_noproc(transp);
91		_rpcsvcdirty = 0;
92		exit(1);
93		return;
94	}
95	(void) memset(&argument, 0, sizeof(argument));
96	if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) {
97		svcerr_decode(transp);
98		_rpcsvcdirty = 0;
99		exit(1);
100		return;
101	}
102	result = (*local)(&argument, rqstp);
103	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
104		svcerr_systemerr(transp);
105	}
106	if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)) {
107		_msgout("unable to free arguments");
108		exit(1);
109	}
110	_rpcsvcdirty = 0;
111	if (rqstp->rq_proc!=YPPUSHPROC_NULL)
112		exit(0);
113}
114