93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/* $NetBSD: rexec.c,v 1.4 2008/04/28 20:23:04 martin Exp $ */
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/*-
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* Copyright (c) 2005 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: rexec.c,v 1.4 2008/04/28 20:23:04 martin Exp $");
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#include <stdio.h>
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#include <netdb.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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static void usage(void) __dead;
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/*XXX*/
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int rexec(char **, int, char *, char *, char *, int *);
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int
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main(int argc, char **argv)
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{
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int c, s;
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ssize_t nr;
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struct servent *sv;
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char *host = __UNCONST("localhost");
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char *user = __UNCONST("root");
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char *pass = __UNCONST("h@x0R");
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char *cmd = __UNCONST("ls");
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char line[BUFSIZ];
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while ((c = getopt(argc, argv, "h:u:p:c:")) != -1)
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switch (c) {
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case 'h':
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host = optarg;
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break;
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case 'u':
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user = optarg;
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break;
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case 'p':
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pass = optarg;
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break;
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case 'c':
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cmd = optarg;
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break;
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default:
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usage();
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}
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if ((sv = getservbyname("exec", "tcp")) == NULL)
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errx(1, "Cannot find service exec/tcp");
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if ((s = rexec(&host, sv->s_port, user, pass, cmd, NULL)) == -1)
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return 1;
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while ((nr = read(s, line, sizeof(line))) > 0)
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(void)write(STDOUT_FILENO, line, nr);
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if (nr == -1)
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err(1, "read failed");
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return 0;
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "Usage: %s [-u <user>] [-p <password>]"
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"[-h <hostname>] [-c <cmd>]\n", getprogname());
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exit(1);
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}
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