tests/fs/common/fstest_msdosfs.c

   1 /*      $NetBSD: fstest_msdosfs.c,v 1.3 2012/03/26 15:10:26 njoly Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Nicolas Joly.
   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
  32 #include <sys/mount.h>
  33 #include <sys/stat.h>
  34
  35 #include <atf-c.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40
  41 #include <msdosfs/msdosfsmount.h>
  42
  43 #include <rump/rump.h>
  44 #include <rump/rump_syscalls.h>
  45
  46 #include "h_fsmacros.h"
  47
  48 struct msdosfstestargs {
  49         struct msdosfs_args ta_uargs;
  50         char ta_devpath[MAXPATHLEN];
  51         char ta_imgpath[MAXPATHLEN];
  52 };
  53
  54 int
  55 msdosfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image,
  56     off_t size, void *fspriv)
  57 {
  58         char cmd[1024];
  59         int res;
  60         static unsigned int num = 0;
  61         struct msdosfstestargs *args;
  62
  63         size /= 512; size -= (size % 63);
  64         snprintf(cmd, 1024, "newfs_msdos -C %"PRId64"s %s >/dev/null",
  65             size, image);
  66         res = system(cmd);
  67         if (res != 0)
  68                 return res;
  69
  70         res = rump_init();
  71         if (res != 0)
  72                 return res;
  73
  74         args = calloc(1, sizeof(*args));
  75         if (args == NULL)
  76                 return -1;
  77
  78         snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.msdosfs", num);
  79         snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
  80         args->ta_uargs.fspec = args->ta_devpath;
  81         args->ta_uargs.mask = 0755;
  82
  83         res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
  84         if (res != 0) {
  85                 free(args);
  86                 return res;
  87         }
  88
  89         *buf = args;
  90         num++;
  91
  92         return 0;
  93 }
  94
  95 int
  96 msdosfs_fstest_delfs(const atf_tc_t *tc, void *buf)
  97 {
  98         int res;
  99         struct msdosfstestargs *args = buf;
 100
 101         res = rump_pub_etfs_remove(args->ta_devpath);
 102         if (res != 0)
 103                 return res;
 104
 105         res = unlink(args->ta_imgpath);
 106         if (res != 0)
 107                 return res;
 108
 109         free(args);
 110
 111         return 0;
 112 }
 113
 114 int
 115 msdosfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
 116 {
 117         int res;
 118         struct msdosfstestargs *args = buf;
 119
 120         res = rump_sys_mkdir(path, 0777);
 121         if (res == -1)
 122                 return res;
 123
 124         res = rump_sys_mount(MOUNT_MSDOS, path, flags, &args->ta_uargs,
 125             sizeof(args->ta_uargs));
 126         return res;
 127 }
 128
 129 int
 130 msdosfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
 131 {
 132         int res;
 133
 134         res = rump_sys_unmount(path, flags);
 135         if (res == -1)
 136                 return res;
 137
 138         res = rump_sys_rmdir(path);
 139         return res;
 140 }