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|
#!/bin/sh
#
# $FreeBSD$
#
# Print newline-separated list of devices available for mounting.
# If there is a filesystem label - use it, otherwise use device name.
print_available() {
local _fstype _fstype_and_label _label _p
for _p in ${providers}; do
_fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)"
if [ $? -ne 0 ]; then
# Ignore devices for which we were unable
# to determine filesystem type.
continue
fi
_fstype="${_fstype_and_label%% *}"
if [ "${_fstype}" != "${_fstype_and_label}" ]; then
_label="${_fstype_and_label#* }"
# Replace plus signs and slashes with minuses;
# leading plus signs have special meaning in maps,
# and multi-component keys are just not supported.
_label="$(echo ${_label} | sed 's,[+/],-,g')"
echo "${_label}"
continue
fi
echo "${_p}"
done
}
# Print a single map entry.
print_map_entry() {
local _fstype _p
_fstype="$1"
_p="$2"
case "${_fstype}" in
"ntfs")
if [ -f "/usr/local/bin/ntfs-3g" ]; then
echo "-mountprog=/usr/local/bin/ntfs-3g,fstype=${_fstype},nosuid :/dev/${_p}"
else
/usr/bin/logger -p info -t "special_media[$$]" \
"Cannot mount ${_fstype} formatted device /dev/${_p}: Install sysutils/fusefs-ntfs first"
exit 1
fi
;;
"ext2fs" | "msdosfs" | "ufs")
echo "-fstype=${_fstype},nosuid,async :/dev/${_p}"
;;
*)
echo "-fstype=${_fstype},nosuid :/dev/${_p}"
;;
esac
}
# Determine map entry contents for the given key and print out the entry.
print_one() {
local _fstype _fstype_and_label _label _key _p
_key="$1"
_fstype="$(fstyp "/dev/${_key}" 2> /dev/null)"
if [ $? -eq 0 ]; then
print_map_entry "${_fstype}" "${_key}"
return
fi
for _p in ${providers}; do
_fstype_and_label="$(fstyp -l "/dev/${_p}" 2> /dev/null)"
if [ $? -ne 0 ]; then
# Ignore devices for which we were unable
# to determine filesystem type.
continue
fi
_fstype="${_fstype_and_label%% *}"
if [ "${_fstype}" = "${_fstype_and_label}" ]; then
# No label, try another device.
continue
fi
_label="${_fstype_and_label#* }"
# Replace plus signs and slashes with minuses;
# leading plus signs have special meaning in maps,
# and multi-component keys are just not supported.
_label="$(echo ${_label} | sed 's,[+/],-,g')"
if [ "${_label}" != "${_key}" ]; then
# Labels don't match, try another device.
continue
fi
print_map_entry "${_fstype}" "${_p}"
done
# No matching device - don't print anything, autofs will handle it.
}
# Obtain a list of (geom-provider-name, access-count) pairs, turning this:
#
# z0xfffff80005085d00 [shape=hexagon,label="ada0\nr2w2e3\nerr#0\nsector=512\nstripe=0"];
#
# Into this:
#
# ada0 r2w2e3
#
# XXX: It would be easier to use kern.geom.conftxt instead, but it lacks
# access counts.
pairs=$(sysctl kern.geom.confdot | sed -n 's/^.*hexagon,label="\([^\]*\)\\n\([^\]*\).*/\1 \2/p')
# Obtain a list of GEOM providers that are not already open - not mounted,
# and without other GEOM class, such as gpart, attached. In other words,
# grep for "r0w0e0". Skip providers with names containing slashes; we're
# not interested in geom_label(4) creations.
providers=$(echo "$pairs" | awk '$2 == "r0w0e0" && $1 !~ /\// { print $1 }')
if [ $# -eq 0 ]; then
print_available
exit 0
fi
print_one "$1"
exit 0
|
