diff options
Diffstat (limited to 'etc/autofs')
-rw-r--r-- | etc/autofs/Makefile | 2 | ||||
-rwxr-xr-x | etc/autofs/special_media | 93 |
2 files changed, 94 insertions, 1 deletions
diff --git a/etc/autofs/Makefile b/etc/autofs/Makefile index c9eda50..3aa7e03 100644 --- a/etc/autofs/Makefile +++ b/etc/autofs/Makefile @@ -1,6 +1,6 @@ # $FreeBSD$ -FILES= include_ldap special_hosts special_null +FILES= include_ldap special_hosts special_media special_null NO_OBJ= FILESDIR= /etc/autofs diff --git a/etc/autofs/special_media b/etc/autofs/special_media new file mode 100755 index 0000000..2a654b1 --- /dev/null +++ b/etc/autofs/special_media @@ -0,0 +1,93 @@ +#!/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="${_fstype_and_label#* }" + echo "${_label}" + continue + fi + + echo "${_p}" + done +} + +# Print a single map entry. +print_one() { + local _fstype _fstype_and_label _label _key _p + + _key="$1" + + _fstype="$(fstyp "/dev/${_key}" 2> /dev/null)" + if [ $? -eq 0 ]; then + echo "-fstype=${_fstype},nosuid :/dev/${_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="${_fstype_and_label#* }" + if [ "${_label}" != "${_key}" ]; then + # Labels don't match, try another device. + continue + fi + + echo "-fstype=${_fstype},nosuid :/dev/${_p}" + done + + # No matching device - don't print anything, autofs will handle it. +} + +# Obtain a list of (geom-provider-name, access-count) pairs, turning this: +# +# z0xfffff80005085d00 [shape=hexagon,label="ada0\nr2w2e3\nerr#0\nsector=512\nstripe=0"]; +# +# Into this: +# +# ada0 r2w2e3 +# +# XXX: It would be easier to use kern.geom.conftxt instead, but it lacks +# access counts. +pairs=$(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 + |