NetBSD/libexec/rexecd/unit-tests/rexec.c

100 lines
3.2 KiB
C

/* $NetBSD: rexec.c,v 1.2 2005/02/27 01:34:07 christos Exp $ */
/*-
* Copyright (c) 2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: rexec.c,v 1.2 2005/02/27 01:34:07 christos Exp $");
#include <stdio.h>
#include <netdb.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
static void usage(void) __attribute__((__noreturn__));
/*XXX*/
int rexec(char **, int, char *, char *, char *, int *);
int
main(int argc, char **argv)
{
int c, s;
ssize_t nr;
struct servent *sv;
char *host = __UNCONST("localhost");
char *user = __UNCONST("root");
char *pass = __UNCONST("h@x0R");
char *cmd = __UNCONST("ls");
char line[BUFSIZ];
while ((c = getopt(argc, argv, "h:u:p:c:")) != -1)
switch (c) {
case 'h':
host = optarg;
break;
case 'u':
user = optarg;
break;
case 'p':
pass = optarg;
break;
case 'c':
cmd = optarg;
break;
default:
usage();
}
if ((sv = getservbyname("exec", "tcp")) == NULL)
errx(1, "Cannot find service exec/tcp");
if ((s = rexec(&host, sv->s_port, user, pass, cmd, NULL)) == -1)
return 1;
while ((nr = read(s, line, sizeof(line))) > 0)
(void)write(STDOUT_FILENO, line, nr);
if (nr == -1)
err(1, "read failed");
return 0;
}
static void
usage(void)
{
(void)fprintf(stderr, "Usage: %s [-u <user>] [-p <password>]"
"[-h <hostname>] [-c <cmd>]\n", getprogname());
exit(1);
}