yppush_svc.c revision 1.4 
1/*	$OpenBSD: yppush_svc.c,v 1.4 2000/10/12 09:47:28 deraadt 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 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Mats O Jansson
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char rcsid[] = "$OpenBSD: yppush_svc.c,v 1.4 2000/10/12 09:47:28 deraadt Exp $";
36#endif /* not lint */
37
38#include "yppush.h"
39
40#include <sys/types.h>
41#include <sys/ttycom.h>
42#include <sys/socket.h>
43#include <netinet/in.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <netdb.h>
47#include <signal.h>
48#include <memory.h>
49#include <syslog.h>
50
51#ifdef __STDC__
52#define SIG_PF void(*)(int)
53#endif
54
55#ifdef DEBUG
56#define RPC_SVC_FG
57#endif
58
59#define _RPCSVC_CLOSEDOWN 120
60int _rpcpmstart;		/* Started by a port monitor ? */
61int _rpcfdtype;			/* Whether Stream or Datagram ? */
62int _rpcsvcdirty;		/* Still serving ? */
63
64static
65void _msgout(msg)
66	char *msg;
67{
68#ifdef RPC_SVC_FG
69	if (_rpcpmstart)
70		syslog(LOG_ERR, "%s", msg);
71	else
72		(void) fprintf(stderr, "%s\n", msg);
73#else
74	syslog(LOG_ERR, "%s", msg);
75#endif
76}
77
78void
79yppush_xfrrespprog_1(rqstp, transp)
80	struct svc_req *rqstp;
81	register SVCXPRT *transp;
82{
83	union {
84		int fill;
85	} argument;
86	char *result;
87	bool_t (*xdr_argument)(), (*xdr_result)();
88	char *(*local)();
89
90	_rpcsvcdirty = 1;
91	switch (rqstp->rq_proc) {
92	case YPPUSHPROC_NULL:
93		xdr_argument = xdr_void;
94		xdr_result = xdr_void;
95		local = (char *(*)()) yppushproc_null_1_svc;
96		break;
97
98	case YPPUSHPROC_XFRRESP:
99		xdr_argument = xdr_yppushresp_xfr;
100		xdr_result = xdr_void;
101		local = (char *(*)()) yppushproc_xfrresp_1_svc;
102		break;
103
104	default:
105		svcerr_noproc(transp);
106		_rpcsvcdirty = 0;
107		exit(1);
108		return;
109	}
110	(void) memset((char *)&argument, 0, sizeof (argument));
111	if (!svc_getargs(transp, xdr_argument, (caddr_t) &argument)) {
112		svcerr_decode(transp);
113		_rpcsvcdirty = 0;
114		exit(1);
115		return;
116	}
117	result = (*local)(&argument, rqstp);
118	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
119		svcerr_systemerr(transp);
120	}
121	if (!svc_freeargs(transp, xdr_argument, (caddr_t) &argument)) {
122		_msgout("unable to free arguments");
123		exit(1);
124	}
125	_rpcsvcdirty = 0;
126	if (rqstp->rq_proc!=YPPUSHPROC_NULL)
127		exit(0);
128	return;
129}
130