recipes-support/udisks/files/automount.sh

   1 #!/bin/sh
   2
   3 MOUNT_OPTIONS_DEFAULT="ro,noexec"
   4 MOUNT_OPTIONS_VFAT="umask=0022"
   5 MOUNT_OPTIONS_EXT=""
   6 MOUNT_OPTIONS_NTFS=""
   7 MOUNT_OPTIONS_ISO9660=""
   8
   9 VERBOSE=false
  10
  11 # Source a configuration file that can override mount options if exists
  12 [ -f /etc/automount.conf ] && . /etc/automount.conf
  13
  14 mount_device() {
  15         MOUNT_OPTIONS=""
  16         FSTYPE="$( udevadm info "${1}" "${2}" | awk -v FS== '/ID_FS_TYPE/ {print $2}' )"
  17         DEVNAME="$( udevadm info "${1}" "${2}" | awk -v FS== '/DEVNAME/ {print $2}' )"
  18         case $FSTYPE in
  19                 vfat)
  20                         MOUNT_OPTIONS="${MOUNT_OPTIONS_VFAT}"
  21                         ;;
  22                 ext[2-4])
  23                         MOUNT_OPTIONS="${MOUNT_OPTIONS_EXT}"
  24                         ;;
  25                 ntfs)
  26                         MOUNT_OPTIONS="${MOUNT_OPTIONS_NTFS}"
  27                         ;;
  28                 iso9660)
  29                         MOUNT_OPTIONS="${MOUNT_OPTIONS_ISO9660}"
  30                         ;;
  31                 "")
  32                         if $VERBOSE; then
  33                                 echo "[INFO][${DEVNAME}] Not a partition with a filesystem!"
  34                         fi
  35                         return
  36                         ;;
  37                 *)
  38                         echo "[WARNING][${DEVNAME}] The filesystem '${FSTYPE}' is not supported!"
  39                         return
  40                         ;;
  41         esac
  42
  43         if [ -n "${MOUNT_OPTIONS_DEFAULT}" ]; then
  44                 if [ -z "${MOUNT_OPTIONS}" ]; then
  45                         MOUNT_OPTIONS="${MOUNT_OPTIONS_DEFAULT}"
  46                 else
  47                         MOUNT_OPTIONS="${MOUNT_OPTIONS_DEFAULT},${MOUNT_OPTIONS}"
  48                 fi
  49         fi
  50         if $VERBOSE; then
  51                 echo "[INFO][${DEVNAME}] Mounting a ${FSTYPE}'s filesystem with options: ${MOUNT_OPTIONS}"
  52         fi
  53
  54         if command -v udisksctl > /dev/null 2>&1; then
  55                 if [ -n "${MOUNT_OPTIONS}" ]; then
  56                         MOUNT_OPTIONS="-o ${MOUNT_OPTIONS}"
  57                 fi
  58                 udisksctl mount -t "${FSTYPE}" -b "${DEVNAME}" ${MOUNT_OPTIONS}
  59         elif command -v udisks >/dev/null 2>&1; then
  60                 if [ -n "${MOUNT_OPTIONS}" ]; then
  61                         MOUNT_OPTIONS="--mount-options ${MOUNT_OPTIONS}"
  62                 fi
  63                 udisks --mount-fstype "${FSTYPE}" --mount "${DEVNAME}" ${MOUNT_OPTIONS}
  64         else
  65                 echo "[ERROR] Unable to find binary for mounting ${DEVNAME}" >&2
  66                 return
  67         fi
  68         if [ "$?" -ne "0" ]; then
  69                 echo "[ERROR] Failed to mount the device ${DEVNAME} of type ${FSTYPE} with options ${MOUNT_OPTIONS}" >&2
  70         fi
  71 }
  72
  73 # At startup, remove empty directories that may exists
  74 rmdir /media/* > /dev/null 2>&1
  75
  76 # Mount already plugged devices
  77 for DEVICE in $( lsblk -dn | cut -d' ' -f1 ); do
  78         REMOVABLE=$( cat "/sys/block/${DEVICE}/removable" )
  79         if [ "${REMOVABLE}" -eq "1" ]; then
  80                 for PART in "/dev/${DEVICE}"*; do
  81                         mount_device -n "${PART}"
  82                 done
  83         fi
  84 done
  85
  86 # Wait for plug events and mount devices
  87 stdbuf -oL -- udevadm monitor --udev -s block |
  88 while read -r -- _ _ EVENT DEVPATH _
  89 do
  90         if [ "${EVENT}" = "add" ]; then
  91                 mount_device -p "/sys/${DEVPATH}"
  92         fi
  93 done