1/*	$NetBSD: rexec.c,v 1.3 2007/12/15 19:44:46 perry Exp $	*/
2
3/*-
4 * Copyright (c) 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: rexec.c,v 1.3 2007/12/15 19:44:46 perry Exp $");
33
34#include <stdio.h>
35#include <netdb.h>
36#include <stdlib.h>
37#include <unistd.h>
38#include <err.h>
39
40static void usage(void) __dead;
41/*XXX*/
42int rexec(char **, int, char *, char *, char *, int *);
43
44int
45main(int argc, char **argv)
46{
47	int c, s;
48	ssize_t nr;
49	struct servent *sv;
50	char *host = __UNCONST("localhost");
51	char *user = __UNCONST("root");
52	char *pass = __UNCONST("h@x0R");
53	char *cmd  = __UNCONST("ls");
54	char line[BUFSIZ];
55
56	while ((c = getopt(argc, argv, "h:u:p:c:")) != -1)
57		switch (c) {
58		case 'h':
59			host = optarg;
60			break;
61		case 'u':
62			user = optarg;
63			break;
64		case 'p':
65			pass = optarg;
66			break;
67		case 'c':
68			cmd = optarg;
69			break;
70		default:
71			usage();
72		}
73
74	if ((sv = getservbyname("exec", "tcp")) == NULL)
75		errx(1, "Cannot find service exec/tcp");
76
77	if ((s = rexec(&host, sv->s_port, user, pass, cmd, NULL)) == -1)
78		return 1;
79	while ((nr = read(s, line, sizeof(line))) > 0)
80		(void)write(STDOUT_FILENO, line, nr);
81	if (nr == -1)
82		err(1, "read failed");
83	return 0;
84}
85
86static void
87usage(void)
88{
89	(void)fprintf(stderr, "Usage: %s [-u <user>] [-p <password>]"
90	    "[-h <hostname>] [-c <cmd>]\n", getprogname());
91	exit(1);
92}
93