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="$2"
  45
  46         case "${_fstype}" in
  47         "exfat")
  48                 if [ -f "/usr/local/sbin/mount.exfat" ]; then
  49                         echo "-mountprog=/usr/local/sbin/mount.exfat,fstype=${_fstype},nosuid   :/dev/${_p}"
  50                 else
  51                         /usr/bin/logger -p info -t "special_media[$$]" \
  52                             "Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-exfat first"
  53                         exit 1
  54                 fi
  55                 ;;
  56         "ntfs")
  57                 if [ -f "/usr/local/bin/ntfs-3g" ]; then
  58                         echo "-mountprog=/usr/local/bin/ntfs-3g,fstype=${_fstype},nosuid        :/dev/${_p}"
  59                 else
  60                         /usr/bin/logger -p info -t "special_media[$$]" \
  61                             "Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-ntfs first"
  62                         exit 1
  63                 fi
  64                 ;;
  65         "ext2fs" | "msdosfs")
  66                 echo "-fstype=${_fstype},nosuid,async   :/dev/${_p}"
  67                 ;;
  68         *)
  69                 echo "-fstype=${_fstype},nosuid :/dev/${_p}"
  70                 ;;
  71         esac
  72 }
  73
  74 # Determine map entry contents for the given key and print out the entry.
  75 print_one() {
  76         local _fstype _fstype_and_label _label _key _p
  77
  78         _key="$1"
  79
  80         _fstype="$(fstyp "/dev/${_key}" 2> /dev/null)"
  81         if [ $? -eq 0 ]; then
  82                 print_map_entry "${_fstype}" "${_key}"
  83                 return
  84         fi
  85
  86         for _p in ${DEVICES}; do
  87                 # XXX: Ingore /dev/md*
  88                 if [ "`echo ${_p} | sed -n '/^md/p'`" != "" ]; then
  89                         continue
  90                 fi
  91
  92                 _fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)"
  93                 if [ $? -ne 0 ]; then
  94                         # Ignore devices for which we were unable
  95                         # to determine filesystem type.
  96                         continue
  97                 fi
  98
  99                 _fstype="${_fstype_and_label%% *}"
 100                 if [ "${_fstype}" = "${_fstype_and_label}" ]; then
 101                         # No label, try another device.
 102                         continue
 103                 fi
 104
 105                 _label="${_fstype_and_label#* }"
 106                 # Replace plus signs and slashes with minuses;
 107                 # leading plus signs have special meaning in maps,
 108                 # and multi-component keys are just not supported.
 109                 _label="$(echo ${_label} | sed 's,[+/],-,g')"
 110                 if [ "${_label}" != "${_key}" ]; then
 111                         # Labels don't match, try another device.
 112                         continue
 113                 fi
 114
 115                 print_map_entry "${_fstype}" "${_p}"
 116         done
 117
 118         # No matching device - don't print anything, autofs will handle it.
 119 }
 120
 121 # XXX: Find a better way to get a list of media devices
 122 KERN_DISKS=`sysctl kern.disks`
 123 if [ $? -ne 0 ]; then
 124         exit 1
 125 fi
 126 DEVICES=`echo ${KERN_DISKS} | awk '{$1=""; print substr($0,2)}' | awk '{gsub(" ", "\n"); print}' | sort`
 127
 128 if [ $# -eq 0 ]; then
 129         print_available
 130         exit 0
 131 fi
 132
 133 print_one "$1"
 134 exit 0
 135