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69582008 C |
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 | |
35 | static char rcsid[] = "$Id: rusersd.c,v 1.4 1993/08/02 17:50:47 mycroft 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 | ||
46 | extern void rusers_service(); | |
47 | ||
48 | int from_inetd = 1; | |
49 | ||
50 | void | |
51 | cleanup() | |
52 | { | |
53 | (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); | |
54 | (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); | |
55 | exit(0); | |
56 | } | |
57 | ||
58 | main(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 | if (getsockname(0, (struct sockaddr *)&from, &fromlen) < 0) { | |
72 | from_inetd = 0; | |
73 | sock = RPC_ANYSOCK; | |
74 | proto = IPPROTO_UDP; | |
75 | } | |
76 | ||
77 | if (!from_inetd) { | |
78 | daemon(0, 0); | |
79 | ||
80 | (void) pmap_unset(RUSERSPROG, RUSERSVERS_IDLE); | |
81 | (void) pmap_unset(RUSERSPROG, RUSERSVERS_ORIG); | |
82 | ||
83 | (void) signal(SIGINT, cleanup); | |
84 | (void) signal(SIGTERM, cleanup); | |
85 | (void) signal(SIGHUP, cleanup); | |
86 | } | |
87 | ||
88 | openlog("rpc.rusersd", LOG_CONS|LOG_PID, LOG_DAEMON); | |
89 | ||
90 | transp = svcudp_create(sock); | |
91 | if (transp == NULL) { | |
92 | syslog(LOG_ERR, "cannot create udp service."); | |
93 | exit(1); | |
94 | } | |
95 | if (!svc_register(transp, RUSERSPROG, RUSERSVERS_IDLE, rusers_service, proto)) { | |
96 | syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_IDLE, %s).", proto?"udp":"(inetd)"); | |
97 | exit(1); | |
98 | } | |
99 | ||
100 | if (!svc_register(transp, RUSERSPROG, RUSERSVERS_ORIG, rusers_service, proto)) { | |
101 | syslog(LOG_ERR, "unable to register (RUSERSPROG, RUSERSVERS_ORIG, %s).", proto?"udp":"(inetd)"); | |
102 | exit(1); | |
103 | } | |
104 | ||
105 | svc_run(); | |
106 | syslog(LOG_ERR, "svc_run returned"); | |
107 | exit(1); | |
108 | } |