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#!/bin/sh
# Wrapper script for FreeBSD and PC-BSD, which takes calls from HAL
# for running mount_ntfs, and performs it with a given FUSE helper.
###################################################################

## Modify this next variable to point to the correct FUSE helper.
FUSE_HELPER="ntfs-3g"
## DO NOT modify anything below this.

FUSEDB="/tmp"
if [ -n "${TMPDIR}" ]
then
   FUSEDB=${TMPDIR}
fi

FUSEDB="${FUSEDB}/.fuse-mnts"
MNTSTRING=""
OPTIONS=""
FOUNDOPT="0"
FOUNDU="0"
HWDEV=""
FOUNDDEV="0"

for i in $@
do
    if [ "$FOUNDOPT" = "1" ]
    then
        OPTIONS="${OPTIONS} -o ${i}"
    elif [ "${FOUNDU}" = "1" ]
    then
        OPTIONS="${OPTIONS} -o uid=${i}"
    else

       if [ "${FOUNDDEV}" = "1" ]
       then
         # Save the mount-point, will be used later
         MNTPOINT="${i}"
         FOUNDDEV="2"
       fi

        echo ${i}| grep -q "/dev" 2>/dev/null
        if [ "$?" = "0" -a "${FOUNDDEV}" = "0" ]
        then
            FOUNDDEV="1"
            # Lets check if we were given a fuse[] device
            # or a real device name
            echo "${i}" | grep -q "fuse" 2>/dev/null
            if [ "$?" = "0" ]
            then
             # Lets save the old fuse device name we had saved
             OLDFUSE="${i}"

             # Lets get the *real* device name for FUSE helper
             REALHWDEV="`cat ${FUSEDB} | grep ${i} | cut -d '=' -f 2`"

             # Now lets change the string we will be saving
             i="${REALHWDEV}"
            else
             # We are doing a first time mount of this device

             # Set the real device name for mounting
             REALHWDEV="${i}"
            fi
        fi

        # Add the value to our mount string
        if [ "${i}" != "-o" -a "${i}" != "-u" ]
        then
          MNTSTRING="${MNTSTRING} ${i}"
        fi

    fi

    # Check if we are on a -u flag now
    if [ "${i}" = "-u" ]
    then
       FOUNDU="1"
    else
       FOUNDU="0"
    fi

    # Check if we are on a -o option
    if [ "${i}" = "-o" ]
    then
       FOUNDOPT="1"
    else
       FOUNDOPT="0"
    fi
done

# Save our final string which our FUSE helper will use
FINALSTRING="${MNTSTRING} ${OPTIONS}"


# Check that fuse.ko is loaded
kldstat | grep -q fuse 2>/dev/null
if [ "$?" != "0" ]
then
  kldload /usr/local/modules/fuse.ko
fi

# Run the FUSE helper command now, with the options in the right order
${FUSE_HELPER} ${FINALSTRING}

# If we have an OLDFUSE variable, lets clear it from the list
if [ ! -z "${OLDFUSE}" -a -e ${FUSEDB} ]
then
   cat ${FUSEDB} | grep -v "${OLDFUSE}=" > /tmp/.newfuse
   mv /tmp/.newfuse ${FUSEDB}
fi

# Now lets figure out which fuse device was used and save it to DB
NEWFUSE="`mount | tr -s ' ' |  grep \" ${MNTPOINT} \" | cut -d ' ' -f 1`"

# Make sure we don't already have this fuse device listed
if [ -e ${FUSEDB} ]
then
   cat ${FUSEDB} | grep -v "${NEWFUSE}=" > /tmp/.newfuse
   mv /tmp/.newfuse ${FUSEDB}
else
   touch ${FUSEDB}
fi

# Save the fuse device to our DB
echo "${NEWFUSE}=${REALHWDEV}" >> ${FUSEDB}


# Finished!
exit 0