xref: /openbsd-src/usr.bin/rdistd/rdistd.c (revision d13be5d47e4149db2549a9828e244d59dbc43f15)
1 /*	$OpenBSD: rdistd.c,v 1.8 2009/10/27 23:59:42 deraadt 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 int main(int, char **, char **);
35 static void usage(void);
36 
37 /*
38  * Print usage message
39  */
40 static void
41 usage(void)
42 {
43 	fprintf(stderr, "usage: %s [-DV] -S\n", progname);
44 	exit(1);
45 }
46 
47 char	localmsglist[] = "syslog=ferror";
48 
49 /*
50  * The Beginning
51  */
52 int
53 main(int argc, char **argv, char **envp)
54 {
55 	extern char *__progname;
56 	char *cp;
57 	int c;
58 
59 	progname = __progname;
60 
61 	if (init(argc, argv, envp) < 0)
62 		exit(1);
63 
64 	while ((c = getopt(argc, argv, "SDV")) != -1)
65 		switch (c) {
66 		case 'S':
67 			isserver++;
68 			break;
69 
70 		case 'D':
71 			debug++;
72 			break;
73 
74 		case 'V':
75 			printf("%s\n", getversion());
76 			exit(0);
77 
78 		case '?':
79 		default:
80 			error("Bad command line option.");
81 			usage();
82 		}
83 
84 	if (!isserver) {
85 		error("Use the -S option to run this program in server mode.");
86 		exit(1);
87 	}
88 
89 	/* Use stdin and stdout for remote descriptors */
90 	rem_r = fileno(stdin);
91 	rem_w = fileno(stdout);
92 
93 	/* Set logging */
94 	if ((cp = msgparseopts(localmsglist, TRUE)) != NULL)
95 		fatalerr("Bad message logging option (%s): %s",
96 			 localmsglist, cp);
97 
98 	/*
99 	 * Main processing function
100 	 */
101 	server();
102 
103 	exit(nerrs != 0);
104 }
105