tests/rm-rf.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 <stdlib.h>
  40 #include <string.h>
  41 #include <sys/types.h>
  42 #include <sys/stat.h>
  43 #include <fcntl.h>
  44 #include <unistd.h>
  45 #include <dirent.h>
  46 #include <fs.h>
  47 #include <arlalib.h>
  48 #include <kafs.h>
  49
  50 #include <err.h>
  51 #include <roken.h>
  52
  53 #ifdef RCSID
  54 RCSID("$Id$");
  55 #endif
  56
  57 static void
  58 kill_one (const char *filename);
  59
  60 static void
  61 kill_dir (const char *dirname);
  62
  63 static void
  64 do_dir (const char *dirname);
  65
  66 #ifdef KERBEROS
  67 static int has_afs = 0;
  68 #endif
  69
  70 static void
  71 kill_one (const char *filename)
  72 {
  73     int ret;
  74
  75     ret = unlink (filename);
  76     if (ret < 0) {
  77         if (errno == EISDIR || errno == EPERM)
  78             do_dir (filename);
  79         else
  80             err (1, "unlink %s", filename);
  81     }
  82 }
  83
  84 static void
  85 do_dir (const char *dirname)
  86 {
  87     int ret;
  88
  89 #ifdef KERBEROS
  90     if (has_afs) {
  91         ret = fs_rmmount (dirname);
  92         if (ret == 0)
  93             return;
  94     }
  95 #endif
  96
  97     ret = chdir (dirname);
  98     if (ret < 0)
  99         err (1, "chdir %s", dirname);
 100     kill_dir (dirname);
 101     ret = chdir ("..");
 102     if (ret < 0)
 103         err (1, "chdir ..");
 104     ret = rmdir (dirname);
 105     if (ret < 0)
 106         err (1, "rmdir %s", dirname);
 107 }
 108
 109 static void
 110 kill_dir (const char *dirname)
 111 {
 112     DIR *dir;
 113     struct dirent *dp;
 114
 115     dir = opendir (".");
 116     if (dir == NULL)
 117         err (1, "opendir %s", dirname);
 118     while ((dp = readdir (dir)) != NULL) {
 119         if (strcmp (dp->d_name, ".") == 0
 120             || strcmp (dp->d_name, "..") == 0)
 121             continue;
 122
 123         kill_one (dp->d_name);
 124     }
 125     closedir(dir);
 126 }
 127
 128 int
 129 main(int argc, char **argv)
 130 {
 131     setprogname (argv[0]);
 132
 133 #ifdef KERBEROS
 134     has_afs = k_hasafs();
 135 #endif
 136
 137     if (argc < 2)
 138         errx (1, "usage: %s directory [...]", argv[0]);
 139     while (argc >= 2) {
 140         do_dir (argv[1]);
 141         argc--;
 142         argv++;
 143     }
 144     return 0;
 145 }