3 # Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 start_cmd="hostid_start"
39 reset_cmd="hostid_reset"
40 extra_commands="reset"
46 # Generate hostid based on hostuuid - take first four bytes from md5(uuid).
47 id=`echo -n $uuid | /sbin/md5`
48 id="0x${id%????????????????????????}"
50 # Set both kern.hostuuid and kern.hostid.
52 check_startmsgs && echo "Setting hostuuid: ${uuid}."
53 ${SYSCTL} kern.hostuuid="${uuid}" >/dev/null
54 check_startmsgs && echo "Setting hostid: ${id}."
55 ${SYSCTL} kern.hostid=${id} >/dev/null
60 uuid=`kenv -q smbios.system.uuid`
72 # First look for UUID in hardware.
73 uuid=`hostid_hardware`
74 if [ -z ${uuid} ]; then
75 # If not found, fall back to software-generated UUID.
84 # Store newly generated UUID in ${hostid_file}.
85 echo $uuid > ${hostid_file}
87 warn "could not store hostuuid in ${hostid_file}."
93 # If ${hostid_file} already exists, we take UUID from there.
94 if [ -r ${hostid_file} ]; then
95 hostid_set `cat ${hostid_file}`
97 # No hostid file, generate UUID.