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#!/bin/bash
#
# This script is able to disable and enable automounting for a device.
# It's usage is as follows:
#
# k3b_automount disable /dev/cdrom
# or
# k3b_automount enable /dev/cdrom
#
# /dev/cdrom needs to have an entry in /etc/fstab.
#
# The supported automounting systems are subfs and supermount.
#
# Exit codes:
# 0 - success
# 1 - wrong usage
# 2 - device not configured with subfs/supermount in /etc/fstab
# X - failed to mount/umount
#
DISABLE=1
if [ $1 = "disable" ]; then
DISABLE=1
elif [ $1 = "enable" ]; then
DISABLE=0
else
echo "Usage: $0 disable|enable <device>"
exit 1
fi
DEVICE=$2
if [ -z $DEVICE ]; then
echo "Usage: $0 disable|enable <device>"
exit 1
fi
# we have a mode and a device
# open the fstab file and search the DEVICE
if [ -n "`grep $DEVICE /etc/fstab | grep "subfs\|supermount"`" ]; then
if [ $DISABLE = 1 ]; then
umount $DEVICE
else
mount $DEVICE
fi
exit $?
fi
#
# Ok, not using subfs or supermount
# If some other userspace automounter (like ivman) is running it is sufficient
# to unmount the device now to get the burning started. This however does not
# fix the problem with DVD+RW burning which may be mounted once the burning has
# been started.
#
# So we unmount the device in case it is mounted with iso9660 or udf (just to add
# some security to this suid script. :(
#
if [ $DISABLE = 1 ] && [ -n "`grep $DEVICE /etc/mtab | grep "iso9660\|udf"`" ]; then
umount $DEVICE
exit $?
fi
exit 2
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