xref: /openbsd/usr.bin/rdistd/rdistd.c (revision db3296cf)
1 /*	$OpenBSD: rdistd.c,v 1.6 2003/06/03 02:56:15 millert Exp $	*/
2 
3 /*
4  * Copyright (c) 1983 Regents of the University of California.
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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include "defs.h"
33 
34 #ifndef lint
35 #if 0
36 static char RCSid[] __attribute__((__unused__)) =
37 "$From: rdistd.c,v 1.2 1999/08/04 15:57:33 christos Exp $";
38 #else
39 static char RCSid[] __attribute__((__unused__)) =
40 "$OpenBSD: rdistd.c,v 1.6 2003/06/03 02:56:15 millert Exp $";
41 #endif
42 
43 static char sccsid[] __attribute__((__unused__)) =
44 "@(#)rdistd.c";
45 
46 static char copyright[] __attribute__((__unused__)) =
47 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
48  All rights reserved.\n";
49 #endif /* not lint */
50 
51 int main(int, char **, char **);
52 static void usage(void);
53 
54 /*
55  * Print usage message
56  */
57 static void
58 usage(void)
59 {
60 	fprintf(stderr, "usage: %s -S [ -DV ]\n", progname);
61 	exit(1);
62 }
63 
64 char	localmsglist[] = "syslog=ferror";
65 
66 /*
67  * The Beginning
68  */
69 int
70 main(int argc, char **argv, char **envp)
71 {
72 	extern char *__progname;
73 	char *cp;
74 	int c;
75 
76 	progname = __progname;
77 
78 	if (init(argc, argv, envp) < 0)
79 		exit(1);
80 
81 	while ((c = getopt(argc, argv, "SDV")) != -1)
82 		switch (c) {
83 		case 'S':
84 			isserver++;
85 			break;
86 
87 		case 'D':
88 			debug++;
89 			break;
90 
91 		case 'V':
92 			printf("%s\n", getversion());
93 			exit(0);
94 
95 		case '?':
96 		default:
97 			error("Bad command line option.");
98 			usage();
99 		}
100 
101 	if (!isserver) {
102 		error("Use the -S option to run this program in server mode.");
103 		exit(1);
104 	}
105 
106 	/* Use stdin and stdout for remote descriptors */
107 	rem_r = fileno(stdin);
108 	rem_w = fileno(stdout);
109 
110 	/* Set logging */
111 	if ((cp = msgparseopts(localmsglist, TRUE)) != NULL)
112 		fatalerr("Bad message logging option (%s): %s",
113 			 localmsglist, cp);
114 
115 	/*
116 	 * Main processing function
117 	 */
118 	server();
119 
120 	exit(nerrs != 0);
121 }
122