1/*
2 * The new sysinstall program.
3 *
4 * This is probably the last attempt in the `sysinstall' line, the next
5 * generation being slated to essentially a complete rewrite.
6 *
7 * $FreeBSD$
8 *
9 * Copyright (c) 1995
10 *	Jordan Hubbard.  All rights reserved.
11 * Copyright (c) 1995
12 * 	Gary J Palmer. All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer,
19 *    verbatim and that no modifications are made prior to this
20 *    point in the file.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 *    notice, this list of conditions and the following disclaimer in the
23 *    documentation and/or other materials provided with the distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38
39#include "sysinstall.h"
40#include <sys/stat.h>
41#include <sys/errno.h>
42#include <sys/param.h>
43#include <sys/wait.h>
44#include <unistd.h>
45#include <fcntl.h>
46#include <grp.h>
47#define MSDOSFS
48#include <sys/mount.h>
49#include <fs/msdosfs/msdosfsmount.h>
50#undef MSDOSFS
51
52static Boolean DOSMounted;
53static char mountpoint[] = "/dist";
54
55Boolean
56mediaInitDOS(Device *dev)
57{
58    struct msdosfs_args args;
59
60    if (DOSMounted)
61	return TRUE;
62
63    Mkdir(mountpoint);
64    memset(&args, 0, sizeof(args));
65    args.fspec = dev->devname;
66    args.uid = args.gid = 0;
67    args.mask = 0777;
68
69    if (mount("msdosfs", mountpoint, MNT_RDONLY, (caddr_t)&args) == -1) {
70	msgConfirm("Error mounting %s on %s: %s (%u)", args.fspec, mountpoint, strerror(errno), errno);
71	return FALSE;
72    }
73    DOSMounted = TRUE;
74    return TRUE;
75}
76
77FILE *
78mediaGetDOS(Device *dev, char *file, Boolean probe)
79{
80    return mediaGenericGet(mountpoint, file);
81}
82
83void
84mediaShutdownDOS(Device *dev)
85{
86    if (!DOSMounted)
87	return;
88    if (unmount(mountpoint, MNT_FORCE) != 0)
89	msgConfirm("Could not unmount the DOS partition from %s: %s",
90		   mountpoint, strerror(errno));
91    else
92	DOSMounted = FALSE;
93    return;
94}
95