81 lines
1.4 KiB
Plaintext
81 lines
1.4 KiB
Plaintext
#!@PREFIX@/sbin/runscript
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# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
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# All rights reserved. Released under the 2-clause BSD license.
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extra_commands="reset"
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: ${hostid_file:=/etc/hostid}
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depend()
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{
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use root
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before devd net
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keyword nojail noprefix
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}
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_set()
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{
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local id=0
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if [ -n "$1" ]; then
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id=$(echo "$1" | md5)
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id="0x${id%????????????????????????}"
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fi
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ebegin "Setting Host ID: $id"
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sysctl -w kern.hostid="$id" >/dev/null
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eend $? || return 1
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if sysctl -n kern.hostuuid >/dev/null 2>&1; then
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[ -n "$1" ] && id=$1
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ebegin "Setting Host UUID: $id"
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sysctl kern.hostuuid="$id" >/dev/null
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eend $? || return 1
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fi
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}
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# First we check to see if there is a system UUID
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# If so then we use that and erase the hostid file,
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# otherwise we generate a random UUID.
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reset()
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{
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local uuid= x="[0-9a-f]" y="$x$x$x$x"
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if type kenv >/dev/null 2>&1; then
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uuid=$(kenv smbios.system.uuid 2>/dev/null)
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fi
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case "$uuid" in
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$y$y-$y-$y-$y-$y$y$y);;
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*) uuid=;;
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esac
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if [ -n "$uuid" ]; then
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rm -f "$hostid_file"
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else
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uuid=$(uuidgen)
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if [ -z "$uuid" ]; then
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eerror "Unable to generate a UUID"
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return 1
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fi
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if ! echo "$uuid" >"$hostid_file"; then
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eerror "Failed to store UUID in \`$hostid_file'"
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return 1
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fi
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fi
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_set "$uuid"
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}
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start()
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{
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if [ -r "$hostid_file" ]; then
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_set $(cat "$hostid_file")
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else
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reset
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fi
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}
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stop()
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{
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_set
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}
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