tests/test-setpag.c

   1 /*
   2  * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <stdio.h>
  39 #include <sys/types.h>
  40 #include <sys/wait.h>
  41 #include <sys/param.h>
  42 #include <unistd.h>
  43 #include <pwd.h>
  44 #include <limits.h>
  45
  46 #include <err.h>
  47 #include <roken.h>
  48
  49 #include <atypes.h>
  50 #include <kafs.h>
  51
  52 #ifdef RCSID
  53 RCSID("$Id$");
  54 #endif
  55
  56 #ifdef KERBEROS
  57
  58 #if !defined(NGROUPS) && defined(NGROUPS_MAX)
  59 #define NGROUPS NGROUPS_MAX
  60 #endif
  61
  62 static void
  63 print_groups (int ngroups, gid_t groups[NGROUPS])
  64 {
  65     int i;
  66
  67     printf ("groups: ");
  68     for (i = 0; i < ngroups; ++i)
  69         printf ("%d%s", groups[i], (i < ngroups - 1) ? ", " : "");
  70     printf ("\n");
  71 }
  72
  73 int
  74 main(int argc, char **argv)
  75 {
  76     int ret;
  77     gid_t groups[NGROUPS];
  78     int ngroups;
  79     gid_t pag1, pag2;
  80     pid_t pid;
  81
  82     setprogname (argv[0]);
  83
  84     if (argc != 1)
  85         errx (1, "Usage: %s", argv[0]);
  86
  87     if (!k_hasafs ())
  88         errx (1, "No AFS?");
  89
  90     ngroups = getgroups (NGROUPS, groups);
  91     if (ngroups < 0)
  92         err (1, "getgroups %d", NGROUPS);
  93     pag1 = groups[1];
  94     pag2 = groups[2];
  95     printf ("in parent ");
  96     print_groups (ngroups, groups);
  97     pid = fork ();
  98     if (pid < 0)
  99         err (1, "fork");
 100     if (pid == 0) {
 101         ret = k_setpag ();
 102         if (ret < 0)
 103             err (1, "k_setpag");
 104         ngroups = getgroups (NGROUPS, groups);
 105         if (ngroups < 0)
 106             err (1, "getgroups %d", NGROUPS);
 107         printf ("in child ");
 108         print_groups (ngroups, groups);
 109         return 0;
 110     } else {
 111         int status;
 112
 113         while(waitpid (pid, &status, WNOHANG | WUNTRACED) != pid)
 114             ;
 115         if (status)
 116             return 1;
 117         ngroups = getgroups (NGROUPS, groups);
 118         if (ngroups < 0)
 119             err (1, "getgroups %d", NGROUPS);
 120         printf ("in parent ");
 121         print_groups (ngroups, groups);
 122         if (groups[1] == pag1 && groups[2] == pag2)
 123             return 0;
 124         else
 125             return 1;
 126     }
 127 }
 128
 129 #else /* !KERBEROS */
 130
 131 int
 132 main (int argc, char **argv)
 133 {
 134     setprogname (argv[0]);
 135
 136     errx (1, "no kafs");
 137 }
 138
 139 #endif /* !KERBEROS */