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#!/bin/sh
if getargbool 1 rd.luks -n rd_NO_LUKS \
&& [ -n "$(getarg rd.luks.key)" ]; then
exec 7> /etc/udev/rules.d/65-luks-keydev.rules
echo 'SUBSYSTEM!="block", GOTO="luks_keydev_end"' >&7
echo 'ACTION!="add|change", GOTO="luks_keydev_end"' >&7
for arg in $(getargs rd.luks.key); do
unset keypath keydev luksdev
splitsep : "$arg" keypath keydev luksdev
info "rd.luks.key: keypath='$keypath' keydev='$keydev' luksdev='$luksdev'"
if [ -z "$keypath" ]; then
warn 'keypath required!'
continue
fi
# A keydev of '/' is treated as the initrd itself
if [ "/" = "$keydev" ]; then
[ -z "$luksdev" ] && luksdev='*'
echo "$luksdev:$keydev:$keypath" >> /tmp/luks.keys
continue
elif [ -n "$keydev" ]; then
udevmatch "$keydev" >&7 || {
warn 'keydev incorrect!'
continue
}
printf ', ' >&7
fi
{
printf -- 'RUN+="%s --unique --onetime ' "$(command -v initqueue)"
printf -- '--name probe-keydev-%%k '
printf -- '%s /dev/%%k %s %s"\n' \
"$(command -v probe-keydev)" "${keypath}" "${luksdev}"
} >&7
done
unset arg keypath keydev luksdev
echo 'LABEL="luks_keydev_end"' >&7
exec 7>&-
fi
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