devd based AUTOMOUNTER

[Lars Engels]

On Sat, Feb 18, 2012 at 06:06:23PM +0100, Uffe Jakobsen wrote:
> 
> 
> On 2012-02-18 14:09, Hans Petter Selasky wrote:
> > On Saturday 18 February 2012 10:48:11 vermaden wrote:
> >> Added a check if ntfs-3g is available, if not then mount_ntfs is used
> >> instead. Added deleting of empty directories at ${MNTPREFIX}.
> >> Added ${MNTPREFIX} to be set to /mnt or /media according to preference
> >>
> >> #! /bin/sh
> >>
> >> PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
> >> MNTPREFIX="/media"
> >> LOG="/var/log/automount.log"
> >> STATE="/var/run/automount.state"
> >> DATEFMT="%Y-%m-%d %H:%M:%S"
> >>
> >> __create_mount_point() { # /* 1=DEV */
> >>    MNT="${MNTPREFIX}/$( basename ${1} )"
> >>    mkdir -p ${MNT}
> >> }
> >>
> >> __state_lock() {
> >>    while [ -f ${STATE}.lock ]; do sleep 0.5; done
> >>
> >>    :>  ${STATE}.lock
> >>
> >> }
> >>
> >> __state_unlock() {
> >>    rm ${STATE}.lock
> >> }
> >>
> >> __state_add() { # /* 1=DEV 2=PROVIDER 3=MNT */
> >>    __state_lock
> >>    grep -E "${3}" ${STATE} 1>  /dev/null 2>  /dev/null&&  {
> >>      __log "${1}:duplicated '${STATE}'"
> >>      return 1
> >>    }
> >>    echo "${1} ${2} ${3}">>  ${STATE}
> >>    __state_unlock
> >> }
> >>
> >> __state_remove() { # /* 1=MNT 2=STATE 3=LINE */
> >>    BSMNT=$( echo ${1} | sed 's/\//\\\//g' )
> >>    sed -i '' "/${BSMNT}\$/d" ${2}
> >> }
> >>
> >> __log() { # /* @=MESSAGE */
> >>    echo $( date +"${DATEFMT}" ) ${@}>>  ${LOG}
> >> }
> >>
> >> case ${2} in
> >>    (attach)
> >>      for I in /dev/${1}*
> >>      do
> >>        case $( file -L -s ${I} | sed -E 's/label:\ \".*\"//g' ) in
> >>          (*NTFS*)
> >>            dd<  ${I} count=1 2>  /dev/null \
> >>
> >>              | strings \
> >>              | head -1 \
> >>              | grep -q "NTFS"&&  {
> >>
> >>                __create_mount_point ${I}
> >>                which ntfs-3g 1>  /dev/null 2>  /dev/null&&  {
> >>                  ntfs-3g ${I} ${MNT} # /* sysutils/fusefs-ntfs */
> >>                } || {
> >>                  mount_ntfs ${I} ${MNT}
> >>                }
> >>                __log "${I}:mount (ntfs)"
> >>            }
> >>            ;;
> >>          (*FAT*)
> >>            dd<  ${I} count=1 2>  /dev/null \
> >>
> >>              | strings \
> >>              | grep -q "FAT32"&&  {
> >>
> >>                __create_mount_point ${I}
> >>                fsck_msdosfs -y ${I}
> >>                mount_msdosfs -o large -l -L pl_PL.ISO8859-2 -D cp852 ${I}
> >> ${MNT} __log "${I}:mount (fat)"
> >>            }
> >>            ;;
> >>          (*ext2*)
> >>            __create_mount_point ${I}
> >>            fsck.ext2 -y ${I}
> >>            mount -t ext2fs ${I} ${MNT}
> >>            __log "${I}:mount (ext2)"
> >>            ;;
> >>          (*ext3*)
> >>            __create_mount_point ${I}
> >>            fsck.ext3 -y ${I}
> >>            mount -t ext2fs ${I} ${MNT}
> >>            __log "${I}:mount (ext3)"
> >>            ;;
> >>          (*ext4*)
> >>            __create_mount_point ${I}
> >>            fsck.ext4 -y ${I}
> >>            ext4fuse ${I} ${MNT} # /* sysutils/fusefs-ext4fuse */
> >>            __log "${I}:mount (ext4)"
> >>            ;;
> >>          (*Unix\ Fast\ File*)
> >>            __create_mount_point ${I}
> >>            fsck_ufs -y ${I}
> >>            mount ${I} ${MNT}
> >>            __log "${I}:mount (ufs)"
> >>            ;;
> >>          (*)
> >>            case $( dd<  ${I} count=1 2>  /dev/null | strings | head -1 ) in
> >>              (EXFAT)
> >>                __create_mount_point ${I}
> >>                mount.exfat ${I} ${MNT} # /* sysutils/fusefs-exfat */
> >>                __log "${I}:mount (ufs)"
> >>                ;;
> >>              (*) continue ;;
> >>            esac
> >>            ;;
> >>        esac
> >>        __state_add ${I} $( mount | grep -m 1 " ${MNT} " | awk '{printf $1}'
> >> ) \ ${MNT} || continue
> >>      done
> >>      ;;
> >>
> >>    (detach)
> >>      MOUNT=$( mount )
> >>      __state_lock
> >>      grep ${1} ${STATE} \
> >>
> >>        | while read DEV PROVIDER MNT
> >>
> >>          do
> >>            TARGET=$( echo "${MOUNT}" | grep -E "^${PROVIDER} " | awk '{print
> >> $3}' ) [ -z ${TARGET} ]&&  {
> >>              __state_remove ${MNT} ${STATE} ${LINE}
> >>              continue
> >>            }
> >>            umount -f ${TARGET}&
> >>            unset TARGET
> >>            __state_remove ${MNT} ${STATE} ${LINE}
> >>            __log "${DEV}:umount"
> >>          done
> >>      __state_unlock
> >>      __log "/dev/${1}:detach"
> >>      find ${MNTPREFIX} -type d -empty -delete
> >>      ;;
> >>
> >> esac
> >>
> >>> Not sure if you've looked at disktype in sysutils
> >>> but it may be useful to you.
> >>
> >
> > Hi,
> >
> > Should your script be written like an rc.d script, so that one can
> > enable/disable this automounting from /etc/rc.conf?
> >
> 
> Nice,
> 
> Some comments:
> 
> Instead of requiring modification to /etc/devd.conf why not just put a 
> "plugin" conf-file in /etc/devd/ - well even better put in 
> /usr/local/etc/devd/ - that way your devd.conf modifications are not 
> lost upon patching/updating base os.
> 
> There is an existing port called "automounter" by Dominic Fandrey  which 
> is much similar to your work.
> 
> You can get inspired of how he places his devd.conf in /usr/local/etc/devd/
> His "automounter" also works with disk labels (as found in /dev/ufs/ and 
> /dev/msdosfs/ etc)
> 
> You should consider make a port out of your work.

And please don't hardcode polish locales in mount_msdosfs :-)
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