Merge from vendor branch GROFF:
[dragonfly.git] / libexec / rpc.rusersd / rusersd.c
CommitLineData
984263bc
MD
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.
1de703da
MD
32 *
33 * $FreeBSD: src/libexec/rpc.rusersd/rusersd.c,v 1.8 1999/08/28 00:09:56 peter Exp $
34 * $DragonFly: src/libexec/rpc.rusersd/rusersd.c,v 1.2 2003/06/17 04:27:07 dillon Exp $
984263bc
MD
35 */
36
984263bc
MD
37#include <stdlib.h>
38#include <rpc/rpc.h>
39#include <rpc/pmap_clnt.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
58int
59main(argc, argv)
60 int argc;
61 char *argv[];
62{
63 SVCXPRT *transp;
64 int sock = 0;
65 int proto = 0;
66 struct sockaddr_in from;
67 int fromlen;
68
69 /*
70 * See if inetd started us
71 */
72 fromlen = sizeof(from);
73 if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) {
74 from_inetd = 0;
75 sock = RPC_ANYSOCK;
76 proto = IPPROTO_UDP;
77 }
78
79 if (!from_inetd) {
80 daemon(0, 0);
81
82 (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE);
83 (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG);
84
85 (void) signal(SIGINT, cleanup);
86 (void) signal(SIGTERM, cleanup);
87 (void) signal(SIGHUP, cleanup);
88 }
89
90 openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON);
91
92 transp = svcudp_create(sock);
93 if (transp == NULL) {
94 syslog(LOG_ERR, "cannot create udp service");
95 exit(1);
96 }
97 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_IDLE, rusers_service, proto)) {
98 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s)", proto?"udp":"(inetd)");
99 exit(1);
100 }
101
102 if (!svc_register(transp, RUSERSPROG, RUSERSVERS_ORIG, rusers_service, proto)) {
103 syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s)", proto?"udp":"(inetd)");
104 exit(1);
105 }
106
107 svc_run();
108 syslog(LOG_ERR, "svc_run returned");
109 exit(1);
110}