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

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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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

# Query a disk for partitions and display them

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

. ${PROGDIR}/backend/functions.sh

. ${PROGDIR}/backend/functions-disk.sh

if [ -z "${1}" ]

then

  echo "Error: No disk specified!"

  exit 1

fi

if [ ! -e "/dev/${1}" ]

then

  echo "Error: Disk /dev/${1} does not exist!"

  exit 1

fi

DISK="${1}"

# Now get the disks size in MB

KB="`diskinfo -v ${1} | grep 'bytes' | cut -d '#' -f 1 | tr -s '\t' ' ' | tr -d ' '`"

MB=$(convert_byte_to_megabyte ${KB})

TOTALSIZE="$MB"

TOTALB="`diskinfo -v ${1} | grep 'in sectors' | tr -s '\t' ' ' | cut -d ' ' -f 2`"

gpart show ${1} >/dev/null 2>/dev/null

if [ "$?" != "0" ] ; then

  # No partitions on this disk, display entire disk size and exit

  echo "${1}-freemb: ${TOTALSIZE}"

  echo "${1}-freeblocks: ${TOTALB}"

  exit

fi

# Display if this is GPT or MBR formatted

gpart show ${1} | grep "GPT" >/dev/null 2>/dev/null

if [ "$?" = "0" ] ; then

  echo "${1}-format: GPT"

  TYPE="GPT"

else

  echo "${1}-format: MBR"

  TYPE="MBR"

fi

# Set some search flags

PART="0"

EXTENDED="0"

START="0"

SIZEB="0"

# Get a listing of partitions on this disk

get_disk_partitions "${DISK}"

PARTS="${VAL}"

for curpart in $PARTS

do

  # First get the sysid / label for this partition

  if [ "$TYPE" = "MBR" ] ; then

     get_partition_sysid_mbr "${DISK}" "${curpart}"

     echo "${curpart}-sysid: ${VAL}"

     get_partition_label_mbr "${DISK}" "${curpart}"

     echo "${curpart}-label: ${VAL}"

  else

     get_partition_label_gpt "${DISK}" "${curpart}"

     echo "${curpart}-sysid: ${VAL}"

     echo "${curpart}-label: ${VAL}"

  fi

  # Now get the startblock, blocksize and MB size of this partition

  get_partition_startblock "${DISK}" "${curpart}"

  START="${VAL}"

  echo "${curpart}-blockstart: ${START}"

  get_partition_blocksize "${DISK}" "${curpart}"

  SIZEB="${VAL}"

  echo "${curpart}-blocksize: ${SIZEB}"

  SIZEMB=$(convert_blocks_to_megabyte ${SIZEB})

  echo "${curpart}-sizemb: ${SIZEMB}"

done

# Now calculate any free space

LASTB="`expr $SIZEB + $START`"

FREEB="`expr $TOTALB - $LASTB`"

FREEMB="`expr ${FREEB} / 2048`"

echo "${1}-freemb: $FREEMB"

echo "${1}-freeblocks: $FREEB"