libexec/rexecd/unit-tests/rexec.c

   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
  40 static void usage(void) __dead;
  41 /*XXX*/
  42 int rexec(char **, int, char *, char *, char *, int *);
  43
  44 int
  45 main(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
  86 static void
  87 usage(void)
  88 {
  89         (void)fprintf(stderr, "Usage: %s [-u <user>] [-p <password>]"
  90             "[-h <hostname>] [-c <cmd>]\n", getprogname());
  91         exit(1);
  92 }