etc/autofs/special_media

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # Print newline-separated list of devices available for mounting.
   7 # If there is a filesystem label - use it, otherwise use device name.
   8 print_available() {
   9         local _fstype _fstype_and_label _label _p
  10
  11         for _p in ${DEVICES}; do
  12                 # XXX: Ingore /dev/md*
  13                 if [ "`echo ${_p} | sed -n '/^md/p'`" != "" ]; then
  14                         continue
  15                 fi
  16
  17                 _fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)"
  18                 if [ $? -ne 0 ]; then
  19                         # Ignore devices for which we were unable
  20                         # to determine filesystem type.
  21                         continue
  22                 fi
  23
  24                 _fstype="${_fstype_and_label%% *}"
  25                 if [ "${_fstype}" != "${_fstype_and_label}" ]; then
  26                         _label="${_fstype_and_label#* }"
  27                         # Replace plus signs and slashes with minuses;
  28                         # leading plus signs have special meaning in maps,
  29                         # and multi-component keys are just not supported.
  30                         _label="$(echo ${_label} | sed 's,[+/],-,g')"
  31                         echo "${_label}"
  32                         continue
  33                 fi
  34
  35                 echo "${_p}"
  36         done
  37 }
  38
  39 # Print a single map entry.
  40 print_map_entry() {
  41         local _fstype _p
  42
  43         _fstype="$1"
  44         _p="$2"
  45
  46         if [ "${_fstype}" = "ntfs" ]; then
  47                 if [ -f "/usr/local/bin/ntfs-3g" ]; then
  48                         echo "-mountprog=/usr/local/bin/ntfs-3g,fstype=${_fstype},nosuid        :/dev/${_p}"
  49                 else
  50                         /usr/bin/logger -p info -t "special_media[$$]" \
  51                             "Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-ntfs first"
  52                         exit 1
  53                 fi
  54         else
  55                 echo "-fstype=${_fstype},nosuid :/dev/${_p}"
  56         fi
  57 }
  58
  59 # Determine map entry contents for the given key and print out the entry.
  60 print_one() {
  61         local _fstype _fstype_and_label _label _key _p
  62
  63         _key="$1"
  64
  65         _fstype="$(fstyp "/dev/${_key}" 2> /dev/null)"
  66         if [ $? -eq 0 ]; then
  67                 print_map_entry "${_fstype}" "${_key}"
  68                 return
  69         fi
  70
  71         for _p in ${DEVICES}; do
  72                 # XXX: Ingore /dev/md*
  73                 if [ "`echo ${_p} | sed -n '/^md/p'`" != "" ]; then
  74                         continue
  75                 fi
  76
  77                 _fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)"
  78                 if [ $? -ne 0 ]; then
  79                         # Ignore devices for which we were unable
  80                         # to determine filesystem type.
  81                         continue
  82                 fi
  83
  84                 _fstype="${_fstype_and_label%% *}"
  85                 if [ "${_fstype}" = "${_fstype_and_label}" ]; then
  86                         # No label, try another device.
  87                         continue
  88                 fi
  89
  90                 _label="${_fstype_and_label#* }"
  91                 # Replace plus signs and slashes with minuses;
  92                 # leading plus signs have special meaning in maps,
  93                 # and multi-component keys are just not supported.
  94                 _label="$(echo ${_label} | sed 's,[+/],-,g')"
  95                 if [ "${_label}" != "${_key}" ]; then
  96                         # Labels don't match, try another device.
  97                         continue
  98                 fi
  99
 100                 print_map_entry "${_fstype}" "${_p}"
 101         done
 102
 103         # No matching device - don't print anything, autofs will handle it.
 104 }
 105
 106 # XXX: Find a better way to get a list of media devices
 107 KERN_DISKS=`sysctl kern.disks`
 108 if [ $? -ne 0 ]; then
 109         exit 1
 110 fi
 111 DEVICES=`echo ${KERN_DISKS} | awk '{$1=""; print substr($0,2)}' | awk '{gsub(" ", "\n"); print}' | sort`
 112
 113 if [ $# -eq 0 ]; then
 114         print_available
 115         exit 0
 116 fi
 117
 118 print_one "$1"
 119 exit 0
 120