#!/bin/sh
# $Id: dkmount,v 1.1 2010/03/08 06:43:56 friedman Exp $

# I hate devkit-disks.  It's far less programmable than the hal subsystem it replaced.
# The gnome developers suck.

set_defaults()
{
  DKMOUNT=${DKMOUNT-devkit-disks}
  DKMOUNT_UID=${DKMOUNT_UID-${UID-`id -u`}}
  DKMOUNT_GID=${DKMOUNT_GID-${GID-`id -g`}}
  DKMOUNT_USER=${DKMOUNT_USER-${SUDO_USER-${LOGNAME-${USER-`whoami`}}}}
}

get_udi()
{
  bdev=`readlink --canonicalize "$1"`
  hal-find-by-property --key block.device --string $bdev
}

get_udi_prop()
{
  case $1 in
    /org/freedesktop/Hal/devices/* ) : ;;
    * ) set x `get_udi "$1"` "$2"; shift ;;
  esac

  hal-get-property --udi "$1" --key "$2"
}

get_fstype()
{
  get_udi_prop "$1" volume.fstype
}

# TODO: validate mount options and filter those not allowed by the hal.
get_allowed_mountopts()
{
  get_udi_prop "$1" volume.mount.valid_options
}

set_fsopts()
{
  _fsopts()
  {
    fsopts=$1
    shift
    for o in "$@"; do
      fsopts=$fsopts,$o
    done
  }

  case $fstype:$fsopts in
    vfat: | fat: | msdos: ) _fsopts       uid=$DKMOUNT_UID \
                                          gid=$DKMOUNT_GID \
                                        umask=000         \
                                    iocharset=iso8859-1   \
                                    shortname=mixed      ;;

    hfs: | hfsplus:       ) _fsopts       uid=$DKMOUNT_UID \
                                          gid=$DKMOUNT_GID \
                                        umask=000         \
                                         exec            ;;

    xfs: | ext[234]:      ) _fsopts noatime ;;

    cifs:                 ) _fsopts      user=${DKMOUNT_USER} \
                                          uid=$DKMOUNT_UID    \
                                          gid=$DKMOUNT_GID    \
                                    file_mode=0777           \
                                     dir_mode=02777          \
                                    iocharset=iso8859-1      \
                                       noperm                \
                                       nocase                \
                                    serverino                \
                                   user_xattr               ;;
  esac
}

main()
{
  set_defaults

  fstype= fsopts= mount=--mount
  while :; do
    case $1 in
      -t ) fstype=$2         ; shift 2 ;;
      -o ) fsopts=$2         ; shift 2 ;;
      -u ) mount=--unmount   ; shift   ;;
       * ) break ;;
    esac
  done

  case $# in
    1 ) device=$1 mountpoint=   ; shift   ;;
    2 ) device=$1 mountpoint=$2 ; shift 2 ;;
  esac

  case $device in
    /* ) ;;
    *  ) device=`find /dev/disk -path "*/$device" -print` ;;
  esac

  udi=`get_udi "$device"`

  case $fstype in
    '' ) fstype=`get_fstype "$udi"` ;;
  esac

  set_fsopts

  case  ${fstype:+set} in set ) set x "$@" --mount-fstype  "$fstype"  ; shift ;; esac
  case  ${fsopts:+set} in set ) set x "$@" --mount-options "$fsopts"  ; shift ;; esac

  devalias=${device##*/}
  case $mountpoint in
    '' ) mountpoint=$devalias ;;
  esac

  set fnord \
      $DKMOUNT $mount $device "$@"
  shift

  echo + "$@"
  exec "$@"
}

main "$@"

# eof