diff options
author | Roy Marples <roy@marples.name> | 2007-12-05 15:57:17 +0000 |
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committer | Roy Marples <roy@marples.name> | 2007-12-05 15:57:17 +0000 |
commit | b258e0eb52dcb5ff87a847637f532a19d1fbb4aa (patch) | |
tree | 4d564f81f673d0456dba78c2a4ab7e785aba0d76 | |
parent | 07e3d69c52c44fd4953db1c7ef3431b053e3f775 (diff) |
Add hostid init script, based on the FreeBSD one.
-rw-r--r-- | init.d.BSD/hostid | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/init.d.BSD/hostid b/init.d.BSD/hostid new file mode 100644 index 00000000..c024772c --- /dev/null +++ b/init.d.BSD/hostid @@ -0,0 +1,91 @@ +#!/sbin/runscript +# Copyright 1999-2007 Gentoo Foundation +# Copyright 2007 Roy Marples +# All rights reserved + +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. + +extra_commands="reset" +hostid_file=${hostid_file:-/etc/hostid} + +depend() { + need checkroot +} + +_set() { + local id=0 + + [ -n "$1" ] && id=$1 + ebegin "Setting Host UUID: ${id}" + sysctl kern.hostuuid="${id}" >/dev/null + eend $? || return 1 + + if [ -n "$1" ]; then + id=$(echo "$1" | md5) + id="0x${id%????????????????????????}" + fi + ebegin "Setting Host ID: ${id}" + sysctl kern.hostid="${id}" >/dev/null + eend $? +} + +# First we check to see if there is a system UUID +# If so then we use that and erase the hostid file, +# otherwise we generate a random UUID. +reset() { + local uuid=$(kenv smbios.system.uuid 2>/dev/null) + local x="[0-9a-f]" + local y="${x}${x}${x}${x}" + 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 +} |