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