openrc/init.d/hostid.in
Andrew Gregory 8a44067838 Fix shebangs in services to point to the correct location of runscript
SBINDIR and BINDIR can be set independently of PREFIX.  This fixes
broken shebangs in service files when SBINDIR is set to something other
than PREFIX/sbin

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
2013-02-23 20:30:39 -06:00

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#!@SBINDIR@/runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
extra_commands="reset"
: ${hostid_file:=/etc/hostid}
depend()
{
use root
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$x"
if type kenv >/dev/null 2>&1; then
uuid=$(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
}