mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
13704ca508
names suggest, they perform methods on Device's. In addition, they check that the pointer passed to them is valid; if it isn't, they pretend that the action failed. This fixes some crashes due to NULL dereferences (e.g., PR 26509). Approved by: jkh (some time ago)
97 lines
2.9 KiB
C
97 lines
2.9 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.
|
|
*
|
|
* 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/errno.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/syslimits.h>
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
|
|
Boolean NFSMounted;
|
|
static char mountpoint[] = "/dist";
|
|
|
|
Boolean
|
|
mediaInitNFS(Device *dev)
|
|
{
|
|
Device *netDevice = (Device *)dev->private;
|
|
WINDOW *w = savescr();
|
|
|
|
if (NFSMounted)
|
|
return TRUE;
|
|
|
|
if (!DEVICE_INIT(netDevice))
|
|
return FALSE;
|
|
|
|
if (Mkdir(mountpoint))
|
|
return FALSE;
|
|
|
|
msgNotify("Mounting %s over NFS on %s", dev->name, mountpoint);
|
|
if (vsystem("mount_nfs %s %s %s %s",
|
|
variable_get(VAR_SLOW_ETHER) ? "-r 1024 -w 1024" : "",
|
|
variable_get(VAR_NFS_SECURE) ? "-P" : "", dev->name, mountpoint)) {
|
|
msgConfirm("Error mounting %s on %s: %s.", dev->name, mountpoint, strerror(errno));
|
|
if (netDevice)
|
|
DEVICE_SHUTDOWN(netDevice);
|
|
restorescr(w);
|
|
return FALSE;
|
|
}
|
|
NFSMounted = TRUE;
|
|
if (isDebug())
|
|
msgDebug("Mounted NFS device %s onto %s\n", dev->name, mountpoint);
|
|
restorescr(w);
|
|
return TRUE;
|
|
}
|
|
|
|
FILE *
|
|
mediaGetNFS(Device *dev, char *file, Boolean probe)
|
|
{
|
|
return mediaGenericGet(mountpoint, file);
|
|
}
|
|
|
|
void
|
|
mediaShutdownNFS(Device *dev)
|
|
{
|
|
if (!NFSMounted)
|
|
return;
|
|
|
|
msgDebug("Unmounting NFS partition on %s", mountpoint);
|
|
if (unmount(mountpoint, MNT_FORCE) != 0)
|
|
msgConfirm("Could not unmount the NFS partition: %s", strerror(errno));
|
|
NFSMounted = FALSE;
|
|
return;
|
|
}
|