File: update-ieee-data

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ieee-data 20180805.1
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  • sloc: sh: 93; makefile: 15
file content (119 lines) | stat: -rwxr-xr-x 3,258 bytes parent folder | download
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#!/bin/sh
# Copyright © 2013 Filippo Giunchedi <filippo@debian.org>
# Copyright © 201-2016 Luciano Bello <luciano@debian.org>
# This work is free. You can redistribute it and/or modify it under the
# terms of the Do What The Fuck You Want To Public License, Version 2,
# as published by Sam Hocevar.
# See the LICENSE file for more details.

BASEDIR=${BASEDIR:-/var/lib/ieee-data/}
RUN_PARSERS=${RUN_PARSERS:-1}
OLD="5"
FORCE=false
QUIET=false

set -e

files_to_get="https://standards.ieee.org/develop/regauth/oui/oui.txt|oui.txt
https://standards.ieee.org/develop/regauth/oui28/mam.txt|mam.txt
https://standards.ieee.org/develop/regauth/oui36/oui36.txt|oui36.txt
https://standards.ieee.org/develop/regauth/iab/iab.txt|iab.txt
https://standards.ieee.org/develop/regauth/oui/oui.csv|oui.csv
https://standards.ieee.org/develop/regauth/oui28/mam.csv|mam.csv
https://standards.ieee.org/develop/regauth/oui36/oui36.csv|oui36.csv
https://standards.ieee.org/develop/regauth/iab/iab.csv|iab.csv"
tmpf=$(tempfile -p "ieee-data_" --mode=0644)

Die () {
	$QUIET || echo $1 
	exit 1
}

checkTXT () {
	TXTOUI='OUI.*\s*Organization\s*.*\s*Organization\s*Address'
	head -n 6 $1 | tr -d '\n' | grep -qe "$TXTOUI"
	return $?
}


checkCSV () {
	CSVOUI='Registry,Assignment,Organization Name,Organization Address'
	head -n 1 $1 | grep -qe "$CSVOUI"
	return $?
}

checkFileHead () {
	$QUIET || echo "\tChecking header"
	TXTOUI='OUI.*\s*Organization\s*.*\s*Organization\s*Address'
	checkTXT $1 || checkCSV $1 || ( rm $1 && Die "The downloaded file looks corrupted." )
}

checkPerm() {
	$QUIET || echo "\tChecking permissions on $1"
	touch -a $1 || { Die "Touch on $1 exit with $?";}
}

goAndGet () {
	$QUIET || echo "Updating $BASEDIR/$2"
	checkPerm $BASEDIR/$2
	$QUIET || echo "\tDownloading $1 to $BASEDIR/$2"
	$dler $1 > $tmpf || { Die "$dler $1 exit with $?";}
	checkFileHead $tmpf
	$QUIET || echo "\tTemporary location $tmpf to be moved to $BASEDIR/$2"
	mv -f $tmpf $BASEDIR/$2
	$QUIET || echo "\t$BASEDIR/$2 updated."
}

while getopts ":fq" opt; do
  case $opt in
    f)
      FORCE=true
      ;;
    q)
      QUIET=true
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      ;;
  esac
done

dler=""
[ -x "$(which curl)" ] && dler="curl -sL"
[ -x "$(which lwp-request)" ] && dler="lwp-request -m GET"
[ -x "$(which wget)" ] && dler="wget -q -O-"

if [ -z "$dler" ]; then
	Die "Unable to find a suitable downloader, please install wget or curl or libwww-perl"
fi

cd $BASEDIR || { Die "can't cd to $BASEDIR"; }

LASTUPDATE=$(cat $BASEDIR/.lastupdate)
OLD_SECONDS=$(expr $OLD \* 86400)
CURRENT=$(date +%s)
AGE=$(expr $CURRENT - $LASTUPDATE)

if [ $FORCE = false -a $AGE -le $OLD_SECONDS ]; then
	Die "The files are kinda new yet (less than $OLD days old)"
fi

for i in $(echo $files_to_get)
do                
	OIFS=$IFS
	IFS='|'
	set -- $i 
	IFS=$OIFS
	goAndGet $1 $2
done

rm $BASEDIR/.lastupdate
echo $CURRENT > $BASEDIR/.lastupdate

if [ -x $(which run-parts) ] && [ -d update.d ] && [ $RUN_PARSERS -ne 0 ]; then
	$QUIET || echo "\tRunning parsers from $BASEDIR/update.d"
	run-parts -a "$BASEDIR" -a oui.txt update.d/
	run-parts -a "$BASEDIR" -a iab.txt update.d/
	run-parts -a "$BASEDIR" -a oui.cvs update.d/
	run-parts -a "$BASEDIR" -a iab.cvs update.d/
fi