tests/write-closed2.c

   1 /*
   2  * Copyright (c) 2000 - 2001 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 <stdlib.h>
  40 #include <string.h>
  41 #include <errno.h>
  42
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <sys/mman.h>
  46 #ifdef HAVE_SYS_IOCCOM_H
  47 #include <sys/ioccom.h>
  48 #endif
  49 #include <sys/ioctl.h>
  50 #include <fcntl.h>
  51 #include <unistd.h>
  52 #include <dirent.h>
  53
  54 #include <atypes.h>
  55
  56 #include <arla-pioctl.h>
  57 #include <kafs.h>
  58
  59 #include <roken.h>
  60
  61 #include <err.h>
  62
  63 #ifndef MAP_FAILED
  64 #define MAP_FAILED ((void *)-1)
  65 #endif
  66
  67 RCSID("$Id$");
  68
  69 static int
  70 set_acl (char *dir)
  71 {
  72     struct ViceIoctl a_params;
  73     char *foo = "1\n0\nsystem:anyuser 0\n";
  74
  75     a_params.in_size  = strlen(foo);
  76     a_params.out_size = 0;
  77     a_params.in       = foo;
  78     a_params.out      = NULL;
  79
  80 #ifdef KERBEROS
  81     return k_pioctl (dir, ARLA_VIOCSETAL, &a_params, 1);
  82 #else
  83     return -1;
  84 #endif
  85 }
  86
  87 static void
  88 doit (const char *filename)
  89 {
  90     int fd;
  91     int ret;
  92     void *buf;
  93
  94     ret = mkdir ("bad", 0777);
  95     if (ret < 0)
  96         err (1, "mkdir bad");
  97
  98     ret = chdir ("bad");
  99     if (ret < 0)
 100         err (1, "chdir bad");
 101
 102     fd = open (filename, O_RDWR | O_CREAT | O_TRUNC, 0600);
 103     if (fd < 0)
 104         err (1, "open %s", filename);
 105     ret = ftruncate (fd, 1);
 106     if (ret < 0)
 107         err (1, "ftruncate %s", filename);
 108     buf = mmap (NULL, 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 109     if (buf == (void *) MAP_FAILED)
 110         err (1, "mmap");
 111     ret = set_acl (".");
 112     if (ret < 0)
 113         err (1, "setacl failed");
 114
 115     ret = close (fd);
 116     if (ret < 0)
 117         err (1, "close %s", filename);
 118     *((char *)buf) = 0x17;
 119     ret = munmap (buf, 1);
 120     if (ret < 0)
 121         err (1, "munmap");
 122 }
 123
 124 int
 125 main(int argc, char **argv)
 126 {
 127     const char *file = "foo";
 128
 129     setprogname (argv[0]);
 130
 131 #ifdef KERBEROS
 132     if (!k_hasafs())
 133 #endif
 134         errx (1, "!k_hasafs");
 135
 136     if (argc != 1 && argc != 2)
 137         errx (1, "usage: %s [file]", argv[0]);
 138     if (argc == 2)
 139         file = argv[1];
 140     doit (file);
 141     return 0;
 142 }