#!/bin/sh

# simple cronjob to anonymize IPv4 and IPv6 addresses
#   in pafakedaccesslog logfile entries
#   on a Debian GNU/Linux default Apache2 and PHP installation
#   placed in /etc/cron.daily/ .

# config
readonly LOG="/var/www/html/pafal/faccess.log"

# ipv4
/bin/sed -i -E 's/^([[:digit:]]{1,3}\.)([[:digit:]]{1,3}\.)([^ ]*)(.*)/\1\20.0\4/' "${LOG}"

# ipv6
/bin/sed -i -E 's/^([[:xdigit:]]{1,4}:)([[:xdigit:]]{1,4}:)([[:xdigit:]]{1,4}:)([^ ]*)(.*)/\1\2\3:0\5/' "${LOG}"

exit 0