pfSense

#!/bin/sh

#-

# Copyright (c) 2010 iXsystems, Inc.  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.

# 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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, OR PROFITS; OR BUSINESS INTERRUPTION)

# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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# $FreeBSD: src/usr.sbin/pc-sysinstall/backend/functions-unmount.sh,v 1.2 2010/06/27 16:46:11 imp Exp $

# Functions which unmount all mounted disk filesystems

# Unmount all mounted partitions under specified dir

umount_all_dir() {

  	_udir="$1"

	_umntdirs=`mount | sort -r | grep "on $_udir" | cut -d ' ' -f 3`

	for _ud in $_umntdirs

	do

		umount -f ${_ud} 

	done

}

# Script that adds our gmirror devices for syncing

start_gmirror_sync()

{

 cd ${MIRRORCFGDIR}

  for DISK in `ls *`

  do

    MIRRORDISK="`cat ${DISK} | cut -d ':' -f 1`"

    MIRRORBAL="`cat ${DISK} | cut -d ':' -f 2`"

    MIRRORNAME="`cat ${DISK} | cut -d ':' -f 3`"

    # Start the mirroring service

    rc_halt "gmirror insert ${MIRRORNAME} /dev/${MIRRORDISK}"

  done

};

# Unmounts all our mounted file-systems

unmount_all_filesystems()

{

   # Copy the logfile to disk before we unmount

   cp ${LOGOUT} ${FSMNT}/root/pc-sysinstall.log

   cd /

   # Start by unmounting any ZFS partitions

   zfs_cleanup_unmount

   # Lets read our partition list, and unmount each

   ##################################################################

   for PART in `ls ${PARTDIR}`

   do

     PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"

     PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"

     PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"

     PARTLABEL="`cat ${PARTDIR}/${PART} | cut -d ':' -f 4`"

     if [ "${PARTENC}" = "ON" ]

     then

       EXT=".eli"

     else

       EXT=""

     fi

     #if [ "${PARTFS}" = "SWAP" ]

     #then

     #  rc_nohalt "swapoff /dev/${PART}${EXT}"

     #fi

     # Check if we've found "/", and unmount that last

     if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]

     then

       #rc_halt "umount -f /dev/${PART}${EXT}"

       # Re-check if we are missing a label for this device and create it again if so

       if [ ! -e "/dev/label/${PARTLABEL}" ]

       then

         case ${PARTFS} in

             UFS) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;

           UFS+S) glabel label ${PARTLABEL} /dev/${PART}${EXT} ;;

           UFS+J) glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal ;;

               *) ;;

         esac 

       fi

     fi

     # Check if we've found "/" and make sure the label exists

     if [ "$PARTMNT" = "/" -a "${PARTFS}" != "ZFS" ]

     then

       if [ ! -e "/dev/label/${PARTLABEL}" ]

       then

         case ${PARTFS} in

             UFS) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;

           UFS+S) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}" ;;

           UFS+J) ROOTRELABEL="glabel label ${PARTLABEL} /dev/${PART}${EXT}.journal" ;;

               *) ;;

         esac 

       fi

     fi

   done

   # Last lets the /mnt partition

   #########################################################

   #rc_nohalt "umount -f ${FSMNT}"

    # If are using a ZFS on "/" set it to legacy

   if [ ! -z "${FOUNDZFSROOT}" ]

   then

     rc_halt "zfs set mountpoint=legacy ${FOUNDZFSROOT}"

   fi

   # If we need to relabel "/" do it now

   if [ ! -z "${ROOTRELABEL}" ]

   then

     ${ROOTRELABEL}

   fi

   # Unmount our CDMNT

   #rc_nohalt "umount -f ${CDMNT}" >/dev/null 2>/dev/null

   # Check if we need to run any gmirror syncing

   ls ${MIRRORCFGDIR}/* >/dev/null 2>/dev/null

   if [ "$?" = "0" ]

   then

     # Lets start syncing now

     start_gmirror_sync

   fi

};

# Unmounts any filesystems after a failure

unmount_all_filesystems_failure()

{

  cd /

  # if we did a fresh install, start unmounting

  if [ "${INSTALLMODE}" = "fresh" ]

  then

    # Lets read our partition list, and unmount each

    ##################################################################

    if [ -d "${PARTDIR}" ]

    then

    for PART in `ls ${PARTDIR}`

    do

       PARTFS="`cat ${PARTDIR}/${PART} | cut -d ':' -f 1`"

       PARTMNT="`cat ${PARTDIR}/${PART} | cut -d ':' -f 2`"

       PARTENC="`cat ${PARTDIR}/${PART} | cut -d ':' -f 3`"

       #if [ "${PARTFS}" = "SWAP" ]

       #then

       #  if [ "${PARTENC}" = "ON" ]

       #  then

       #    rc_nohalt "swapoff /dev/${PART}.eli"

       #  else

       #    rc_nohalt "swapoff /dev/${PART}"

       #  fi

       #fi

       # Check if we've found "/" again, don't need to mount it twice

       if [ "$PARTMNT" != "/" -a "${PARTMNT}" != "none" -a "${PARTFS}" != "ZFS" ]

       then

         #rc_nohalt "umount -f /dev/${PART}"

         #rc_nohalt "umount -f ${FSMNT}${PARTMNT}"

       fi

     done

     # Last lets the /mnt partition

     #########################################################

     #rc_nohalt "umount -f ${FSMNT}"

    fi

   else

     # We are doing a upgrade, try unmounting any of these filesystems

     chroot ${FSMNT} /sbin/umount -a >>${LOGOUT} >>${LOGOUT}

     umount -f ${FSMNT}/usr >>${LOGOUT} 2>>${LOGOUT}

     umount -f ${FSMNT}/dev >>${LOGOUT} 2>>${LOGOUT}

     umount -f ${FSMNT} >>${LOGOUT} 2>>${LOGOUT}

     rc_nohalt "sh ${TMPDIR}/.upgrade-unmount"

   fi

   # Unmount our CDMNT

   #rc_nohalt "umount ${CDMNT}"

};