freebsd-dev/usr.sbin/sysinstall/ufs.c
Colin Percival c17e4d0b6e Add detection of UFS filesystems.
PR:		bin/135565
Submitted by:	Daniel O'Connor
Reviewed by:	randi
MFC after:	1 month
2009-06-24 04:56:13 +00:00

86 lines
2.6 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $FreeBSD$
*
* 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/fcntl.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <ufs/ufs/ufsmount.h>
static Boolean UFSMounted;
static char mountpoint[] = "/dist";
Boolean
mediaInitUFS(Device *dev)
{
struct ufs_args args;
if (UFSMounted)
return TRUE;
Mkdir(mountpoint);
memset(&args, 0, sizeof(args));
args.fspec = dev->devname;
if (mount("ufs", mountpoint, MNT_RDONLY, (caddr_t)&args) == -1) {
msgConfirm("Error mounting %s on %s: %s (%u)", args.fspec, mountpoint, strerror(errno), errno);
return FALSE;
}
UFSMounted = TRUE;
return TRUE;
}
FILE *
mediaGetUFS(Device *dev, char *file, Boolean probe)
{
return mediaGenericGet((char *)dev->private, file);
}
void
mediaShutdownUFS(Device *dev)
{
if (!UFSMounted)
return;
if (unmount(mountpoint, MNT_FORCE) != 0)
msgConfirm("Could not unmount the UFS partition from %s: %s",
mountpoint, strerror(errno));
else
UFSMounted = FALSE;
return;
}