1#!/bin/sh 2# 3# 4 5# Print newline-separated list of devices available for mounting. 6# If there is a filesystem label - use it, otherwise use device name. 7print_available() { 8 local _fstype _fstype_and_label _label _p 9 10 for _p in ${providers}; do 11 _fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)" 12 if [ $? -ne 0 ]; then 13 # Ignore devices for which we were unable 14 # to determine filesystem type. 15 continue 16 fi 17 18 _fstype="${_fstype_and_label%% *}" 19 if [ "${_fstype}" != "${_fstype_and_label}" ]; then 20 _label="${_fstype_and_label#* }" 21 # Replace plus signs and slashes with minuses; 22 # leading plus signs have special meaning in maps, 23 # and multi-component keys are just not supported. 24 _label="$(echo ${_label} | sed 's,[+/],-,g')" 25 echo "${_label}" 26 continue 27 fi 28 29 echo "${_p}" 30 done 31} 32 33# Print a single map entry. 34print_map_entry() { 35 local _fstype _p 36 37 _fstype="$1" 38 _p="$2" 39 40 case "${_fstype}" in 41 "exfat") 42 if [ -f "/usr/local/sbin/mount.exfat" ]; then 43 echo "-mountprog=/usr/local/sbin/mount.exfat,fstype=${_fstype},sync :/dev/${_p}" 44 else 45 /usr/bin/logger -p info -t "special_media[$$]" \ 46 "Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-exfat first" 47 exit 1 48 fi 49 ;; 50 "ntfs") 51 if [ -f "/usr/local/bin/ntfs-3g" ]; then 52 echo "-mountprog=/usr/local/bin/ntfs-3g,fstype=${_fstype},sync :/dev/${_p}" 53 else 54 /usr/bin/logger -p info -t "special_media[$$]" \ 55 "Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-ntfs first" 56 exit 1 57 fi 58 ;; 59 "msdosfs") 60 echo "-fstype=${_fstype},sync :/dev/${_p}" 61 ;; 62 "ext2fs") 63 echo "-fstype=${_fstype},async :/dev/${_p}" 64 ;; 65 *) 66 echo "-fstype=${_fstype} :/dev/${_p}" 67 ;; 68 esac 69} 70 71# Determine map entry contents for the given key and print out the entry. 72print_one() { 73 local _fstype _fstype_and_label _label _key _p 74 75 _key="$1" 76 77 _fstype="$(fstyp "/dev/${_key}" 2> /dev/null)" 78 if [ $? -eq 0 ]; then 79 print_map_entry "${_fstype}" "${_key}" 80 return 81 fi 82 83 for _p in ${providers}; do 84 _fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)" 85 if [ $? -ne 0 ]; then 86 # Ignore devices for which we were unable 87 # to determine filesystem type. 88 continue 89 fi 90 91 _fstype="${_fstype_and_label%% *}" 92 if [ "${_fstype}" = "${_fstype_and_label}" ]; then 93 # No label, try another device. 94 continue 95 fi 96 97 _label="${_fstype_and_label#* }" 98 # Replace plus signs and slashes with minuses; 99 # leading plus signs have special meaning in maps, 100 # and multi-component keys are just not supported. 101 _label="$(echo ${_label} | sed 's,[+/],-,g')" 102 if [ "${_label}" != "${_key}" ]; then 103 # Labels don't match, try another device. 104 continue 105 fi 106 107 print_map_entry "${_fstype}" "${_p}" 108 done 109 110 # No matching device - don't print anything, autofs will handle it. 111} 112 113# Obtain a list of (geom-provider-name, access-count) pairs, turning this: 114# 115# z0xfffff80005085d00 [shape=hexagon,label="ada0\nr2w2e3\nerr#0\nsector=512\nstripe=0"]; 116# 117# Into this: 118# 119# ada0 r2w2e3 120# 121# XXX: It would be easier to use kern.geom.conftxt instead, but it lacks 122# access counts. 123pairs=$(sysctl kern.geom.confdot | sed -n 's/^.*hexagon,label="\([^\]*\)\\n\([^\]*\).*/\1 \2/p') 124 125# Obtain a list of GEOM providers that are not already open - not mounted, 126# and without other GEOM class, such as gpart, attached. In other words, 127# grep for "r0w0e0". Skip providers with names containing slashes; we're 128# not interested in geom_label(4) creations. 129providers=$(echo "$pairs" | awk '$2 == "r0w0e0" && $1 !~ /\// { print $1 }') 130 131if [ $# -eq 0 ]; then 132 print_available 133 exit 0 134fi 135 136print_one "$1" 137exit 0 138 139