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|
#!/bin/sh
#
# Called from udev
#
# Attempt to mount any added block devices and umount any removed devices
BASE_INIT="`readlink -f "@base_sbindir@/init"`"
INIT_SYSTEMD="@systemd_unitdir@/systemd"
MOUNT_BASE="@MOUNT_BASE@"
if [ "x$BASE_INIT" = "x$INIT_SYSTEMD" ];then
# systemd as init uses systemd-mount to mount block devices
MOUNT="/usr/bin/systemd-mount"
UMOUNT="/usr/bin/systemd-umount"
if [ -x $MOUNT ] && [ -x $UMOUNT ];
then
logger "Using systemd-mount to finish mount"
else
logger "Linux init is using systemd, so please install systemd-mount to finish mount"
exit 1
fi
else
MOUNT="/bin/mount"
UMOUNT="/bin/umount"
fi
PMOUNT="/usr/bin/pmount"
for line in `grep -h -v ^# /etc/udev/mount.ignorelist /etc/udev/mount.ignorelist.d/*`
do
if [ ` expr match "$DEVNAME" "$line" ` -gt 0 ];
then
logger "udev/mount.sh" "[$DEVNAME] is marked to ignore"
exit 0
fi
done
automount_systemd() {
name="`basename "$DEVNAME"`"
# Skip already mounted partitions
if [ -f /run/systemd/transient/$(echo $MOUNT_BASE | cut -d '/' -f 2- | sed 's#/#-#g')-*$name.mount ]; then
logger "mount.sh/automount" "$MOUNT_BASE/$name already mounted"
return
fi
# Get the unique name for mount point
get_label_name "${DEVNAME}"
# Only go for auto-mounting when the device has been cleaned up in remove
# or has not been identified yet
if [ -e "/tmp/.automount-$name" ]; then
logger "mount.sh/automount" "[$MOUNT_BASE/$name] is already cached"
return
fi
# Skip the partition which are already in /etc/fstab
grep "^[[:space:]]*$DEVNAME" /etc/fstab && return
for n in LABEL PARTLABEL UUID PARTUUID; do
tmp="$(lsblk -o $n $DEVNAME | sed -e '1d')"
test -z "$tmp" && continue
tmp="$n=$tmp"
grep "^[[:space:]]*$tmp" /etc/fstab && return
done
[ -d "$MOUNT_BASE/$name" ] || mkdir -p "$MOUNT_BASE/$name"
MOUNT="$MOUNT -o silent"
# If filesystemtype is vfat, change the ownership group to 'disk', and
# grant it with w/r/x permissions.
case $ID_FS_TYPE in
vfat|fat)
MOUNT="$MOUNT -o umask=007,gid=`awk -F':' '/^disk/{print $3}' /etc/group`"
;;
swap)
return ;;
lvm*|LVM*)
return ;;
# TODO
*)
;;
esac
if ! $MOUNT --no-block -t auto $DEVNAME "$MOUNT_BASE/$name"
then
#logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"$MOUNT_BASE/$name\" failed!"
rm_dir "$MOUNT_BASE/$name"
else
logger "mount.sh/automount" "Auto-mount of [$MOUNT_BASE/$name] successful"
echo "$name" > "/tmp/.automount-$name"
fi
}
automount() {
name="`basename "$DEVNAME"`"
if [ -x "$PMOUNT" ]; then
$PMOUNT $DEVNAME 2> /dev/null
elif [ -x $MOUNT ]; then
$MOUNT $DEVNAME 2> /dev/null
fi
# If the device isn't mounted at this point, it isn't
# configured in fstab
grep -q "^$DEVNAME " /proc/mounts && return
# Get the unique name for mount point
get_label_name "${DEVNAME}"
# Only go for auto-mounting when the device has been cleaned up in remove
# or has not been identified yet
if [ -e "/tmp/.automount-$name" ]; then
logger "mount.sh/automount" "[$MOUNT_BASE/$name] is already cached"
return
fi
! test -d "$MOUNT_BASE/$name" && mkdir -p "$MOUNT_BASE/$name"
# Silent util-linux's version of mounting auto
if [ "x`readlink $MOUNT`" = "x/bin/mount.util-linux" ] ;
then
MOUNT="$MOUNT -o silent"
fi
# If filesystem type is vfat, change the ownership group to 'disk', and
# grant it with w/r/x permissions.
case $ID_FS_TYPE in
vfat|fat)
MOUNT="$MOUNT -o umask=007,gid=`awk -F':' '/^disk/{print $3}' /etc/group`"
;;
swap)
return ;;
lvm*|LVM*)
return ;;
# TODO
*)
;;
esac
if ! $MOUNT -t auto $DEVNAME "$MOUNT_BASE/$name"
then
#logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"$MOUNT_BASE/$name\" failed!"
rm_dir "$MOUNT_BASE/$name"
else
logger "mount.sh/automount" "Auto-mount of [$MOUNT_BASE/$name] successful"
# The actual device might not be present in the remove event so blkid cannot
# be used to calculate what name was generated here. Simply save the mount
# name in our tmp file.
echo "$name" > "/tmp/.automount-$name"
fi
}
rm_dir() {
# We do not want to rm -r populated directories
if test "`find "$1" | wc -l | tr -d " "`" -lt 2 -a -d "$1"
then
! test -z "$1" && rm -r "$1"
else
logger "mount.sh/automount" "Not removing non-empty directory [$1]"
fi
}
get_label_name() {
# Get the LABEL or PARTLABEL
LABEL=`/sbin/blkid | grep "$1:" | grep -o 'LABEL=".*"' | cut -d '"' -f2`
# If the $DEVNAME has a LABEL or a PARTLABEL
if [ -n "$LABEL" ]; then
# Set the mount location dir name to LABEL appended
# with $name e.g. label-sda. That would avoid overlapping
# mounts in case two devices have same LABEL
name="${LABEL}-${name}"
fi
}
# No ID_FS_TYPE for cdrom device, yet it should be mounted
name="`basename "$DEVNAME"`"
[ -e /sys/block/$name/device/media ] && media_type=`cat /sys/block/$name/device/media`
if [ "$ACTION" = "add" ] && [ -n "$DEVNAME" ] && [ -n "$ID_FS_TYPE" -o "$media_type" = "cdrom" ]; then
# Note the root filesystem can show up as /dev/root in /proc/mounts,
# so check the device number too
if expr $MAJOR "*" 256 + $MINOR != `stat -c %d /`; then
if [ "`basename $MOUNT`" = "systemd-mount" ];then
automount_systemd
else
automount
fi
fi
fi
if [ "$ACTION" = "remove" ] || [ "$ACTION" = "change" ] && [ -x "$UMOUNT" ] && [ -n "$DEVNAME" ]; then
name="`basename "$DEVNAME"`"
tmpfile=`find /tmp | grep "\.automount-.*${name}$"`
if [ ! -e "/sys/$DEVPATH" -a -e "$tmpfile" ]; then
logger "mount.sh/remove" "cleaning up $DEVNAME, was mounted by the auto-mounter"
for mnt in `cat /proc/mounts | grep "$DEVNAME" | cut -f 2 -d " " `
do
$UMOUNT $mnt
done
# Remove mount directory created by the auto-mounter
# and clean up our tmp cache file
mntdir=`cat "$tmpfile"`
rm_dir "$MOUNT_BASE/$mntdir"
rm "$tmpfile"
fi
fi
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