rusersd.c revision 8870 
1/*-
2 * Copyright (c) 1993, John Brezak
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY 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[] = "$Id: rusersd.c,v 1.2 1994/11/18 22:40:11 ats Exp $";
36#endif /* not lint */
37
38#include <stdio.h>
39#include <rpc/rpc.h>
40#include <signal.h>
41#include <syslog.h>
42#define utmp rutmp
43#include <rpcsvc/rnusers.h>
44#undef utmp
45
46extern void rusers_service();
47
48int from_inetd = 1;
49
50void
51cleanup()
52{
53        (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE);
54        (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG);
55        exit(0);
56}
57
58main(argc, argv)
59        int argc;
60        char *argv[];
61{
62	SVCXPRT *transp;
63        int sock = 0;
64        int proto = 0;
65	struct sockaddr_in from;
66	int fromlen;
67
68        /*
69         * See if inetd started us
70         */
71	fromlen = sizeof(from);
72        if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
73                from_inetd = 0;
74                sock = RPC_ANYSOCK;
75                proto = IPPROTO_UDP;
76        }
77
78        if (!from_inetd) {
79                daemon(0, 0);
80
81                (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE);
82                (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG);
83
84		(void) signal(SIGINT, cleanup);
85		(void) signal(SIGTERM, cleanup);
86		(void) signal(SIGHUP, cleanup);
87        }
88
89        openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON);
90
91	transp = svcudp_create(sock);
92	if (transp == NULL) {
93		syslog(LOG_ERR, "cannot create udp service.");
94		exit(1);
95	}
96	if (!svc_register(transp, RUSERSPROG, RUSERSVERS_IDLE, rusers_service, proto)) {
97		syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s).", proto?"udp":"(inetd)");
98		exit(1);
99	}
100
101	if (!svc_register(transp, RUSERSPROG, RUSERSVERS_ORIG, rusers_service, proto)) {
102		syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s).", proto?"udp":"(inetd)");
103		exit(1);
104	}
105
106        svc_run();
107	syslog(LOG_ERR, "svc_run returned");
108	exit(1);
109}
110