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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
extra_commands="reset"
: ${hostid_file:=/etc/hostid}
depend()
{
use root
after clock
before devd net
keyword -jail -prefix
}
_set()
{
local id=0
if [ -n "$1" ]; then
id=$(echo "$1" | md5)
id="0x${id%????????????????????????}"
fi
ebegin "Setting Host ID: $id"
sysctl -w kern.hostid="$id" >/dev/null
eend $? || return 1
if sysctl -n kern.hostuuid >/dev/null 2>&1; then
[ -n "$1" ] && id=$1
ebegin "Setting Host UUID: $id"
sysctl kern.hostuuid="$id" >/dev/null
eend $? || return 1
fi
}
# First we check to see if there is a system UUID
# If so then we use that and erase the hostid file,
# otherwise we generate a random UUID.
reset()
{
local uuid= x="[0-9a-f]" y="$x$x$x$x"
if command -v kenv >/dev/null 2>&1; then
uuid=$(kenv smbios.system.uuid 2>/dev/null)
fi
case "$uuid" in
$y$y-$y-$y-$y-$y$y$y);;
*) uuid=;;
esac
if [ -n "$uuid" ]; then
rm -f "$hostid_file"
else
uuid=$(uuidgen)
if [ -z "$uuid" ]; then
eerror "Unable to generate a UUID"
return 1
fi
if ! echo "$uuid" >"$hostid_file"; then
eerror "Failed to store UUID in \`$hostid_file'"
return 1
fi
fi
_set "$uuid"
}
start()
{
if [ -r "$hostid_file" ]; then
_set $(cat "$hostid_file")
else
reset
fi
}
stop()
{
_set
}
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