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/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $Id: dos.c,v 1.13 1996/07/08 08:54:25 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
* Copyright (c) 1995
* Gary J Palmer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "sysinstall.h"
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/wait.h>
#include <unistd.h>
#include <fcntl.h>
#include <grp.h>
#define MSDOSFS
#include <sys/mount.h>
#undef MSDOSFS
static Boolean DOSMounted;
Boolean
mediaInitDOS(Device *dev)
{
struct msdosfs_args args;
if (!RunningAsInit || DOSMounted)
return TRUE;
if (DITEM_STATUS(Mkdir("/dos")) != DITEM_SUCCESS)
return FALSE;
memset(&args, 0, sizeof(args));
args.fspec = dev->devname;
args.uid = args.gid = 0;
args.mask = 0777;
if (mount(MOUNT_MSDOS, "/dos", MNT_RDONLY, (caddr_t)&args) == -1) {
msgConfirm("Error mounting %s on /dos: %s (%u)", args.fspec, strerror(errno), errno);
return FALSE;
}
else
msgDebug("Mounted DOS device (%s) on /dos.\n", args.fspec);
DOSMounted = TRUE;
return TRUE;
}
int
mediaGetDOS(Device *dev, char *file, Boolean probe)
{
char buf[PATH_MAX];
if (isDebug())
msgDebug("Request for %s from DOS\n", file);
snprintf(buf, PATH_MAX, "/dos/freebsd/%s", file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "/dos/freebsd/dists/%s", file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "/dos/%s", file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "/dos/dists/%s", file);
return open(buf, O_RDONLY);
}
void
mediaShutdownDOS(Device *dev)
{
if (!RunningAsInit || !DOSMounted)
return;
msgDebug("Unmounting %s from /dos\n", dev->name);
if (unmount("/dos", MNT_FORCE) != 0)
msgConfirm("Could not unmount the DOS partition: %s", strerror(errno));
if (isDebug())
msgDebug("Unmount successful\n");
DOSMounted = FALSE;
return;
}
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