/bin/list-devices is in ubiquity 2.18.7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | #! /bin/sh
set -e
TYPE="$1"
case $TYPE in
maybe-floppy)
logger -t list-devices "deprecated parameter maybe-floppy"
TYPE=floppy
;;
cd|disk|partition|floppy|maybe-usb-floppy|usb-partition|mmc-partition) ;;
*)
echo "Usage: $0 cd|disk|partition|floppy|maybe-usb-floppy|usb-partition|mmc-partition" >&2
exit 2
;;
esac
if [ ! -d /sys/block ]; then
exit 0
fi
if type udevadm >/dev/null 2>&1; then
device_info () {
udevadm info -q "$1" -p "$2" 2>/dev/null
}
elif type udevinfo >/dev/null 2>&1; then
device_info () {
udevinfo -q "$1" -p "$2" 2>/dev/null
}
else
exit 0
fi
device_name () {
local name
if ! name="$(device_info name "$1")"; then
name="$(printf %s "${1##*/}" | \
sed 's,!,/,g')"
fi
echo "/dev/$name"
}
is_sataraid () {
grep -qs ^DMRAID- "$1/dm/uuid"
}
is_sataraid_partition () {
# dmraid partitions are always slaved to another dm device
for slave in "$1"/slaves/dm-*; do
if [ -e "$slave" ]; then
return 0
fi
done
return 1
}
if type dmraid >/dev/null 2>&1; then
raiddevs="$(dmraid -r -c || true)"
else
raiddevs=
fi
# cloned-and-hacked from partman-base/init.d/parted
part_of_sataraid () {
local raiddev
for raiddev in $raiddevs; do
if [ "$(readlink -f "$raiddev")" = "$1" ]; then
return 0
fi
done
return 1
}
syspaths=
scan_partition=false
case $TYPE in
partition)
for x in /sys/block/*/*[0-9]; do
[ -d "$x" ] || continue
syspaths="${syspaths:+$syspaths }$x"
done
for x in /sys/block/dm-*; do
[ -d "$x" ] || continue
(is_sataraid "$x" && is_sataraid_partition "$x") || continue
syspaths="${syspaths:+$syspaths }$x"
done
TYPE=disk
# Also allow misdetected USB devices
scan_partition=:
;;
usb-partition|mmc-partition)
for x in /sys/block/*/*; do
[ -d "$x" ] || continue
syspaths="${syspaths:+$syspaths }$x"
done
;;
*)
for x in /sys/block/*; do
[ -d "$x" ] || continue
case $x in
/sys/block/dm-*)
if is_sataraid "$x" && is_sataraid_partition "$x"; then
continue
fi
;;
*)
name="$(device_name "$x")"
if part_of_sataraid "$name"; then
continue
fi
;;
esac
syspaths="${syspaths:+$syspaths }$x"
done
;;
esac
for x in $syspaths; do
devpath="${x#/sys}"
match=false
case $TYPE in
floppy)
# TODO ugly special case for non-IDE floppies
case $devpath in
/block/fd[0-9]*)
match=:
;;
esac
;;
esac
if ! $match && [ "$TYPE" = cd ]; then
if device_info env "$devpath" | grep -q '^ID_CDROM='; then
match=:
fi
fi
if ! $match; then
if device_info env "$devpath" | grep -q "^ID_TYPE=$TYPE"; then
match=:
fi
fi
if ! $match && [ "$TYPE" = disk ]; then
case $devpath in
/block/cciss\!*|/block/ida\!*|/block/rd\!*|/block/mmcblk*|/block/vd[a-z]*|/block/xvd[a-z]*)
match=:
;;
/block/dm-*)
# for now, we only understand dmraid
if is_sataraid "/sys$devpath"; then
match=:
fi
;;
esac
fi
# Some USB sticks and CD drives are misdetected as floppy
# This allows to scan for those
if ! $match && ( $scan_partition || [ "$TYPE" = maybe-usb-floppy ] ); then
if device_info env "$devpath" | grep -q '^ID_BUS=usb' && \
device_info env "$devpath" | grep -q '^ID_TYPE=floppy'; then
match=:
fi
fi
# Disk partitions, but only on USB drives
if ! $match && [ "$TYPE" = usb-partition ]; then
if device_info env "$devpath" | grep -q '^ID_BUS=usb' && \
device_info env "$devpath" | grep -q '^ID_TYPE=disk'; then
match=:
fi
fi
# Disk partitions, but only on (non-USB) MMC devices
if ! $match && [ "$TYPE" = mmc-partition ]; then
if device_info env "$devpath" | egrep -q '^ID_PATH=(platform-mmc|platform-orion-ehci|platform-mxsdhci|platform-omap)'; then
match=:
fi
fi
if $match && ! device_info env "$devpath" | egrep -q '^ID_PART_ENTRY_TYPE=0x(5|f|85)$'; then
device_name "/sys$devpath"
fi
done
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