Post all Lynis warnings and suggestions to slack as a snippet

lynis-warnings.sh

#!/usr/bin/env bash

if [[ "$1" == '' ]] || [[ "$1" == '--help' ]]
then
	echo "$0 [channel id] [slack token]"
	exit 0
fi

SLACK_CHANNEL_ID="$1"
SLACK_TOKEN="$2"

SLACK_ICON=':slack:'
MY_HOSTNAME="$(cat /etc/hostname)"

OUTFILE='/tmp/lynis-audit.txt'

lynis audit system --cronjob | grep -Pzo '.*Warnings(.*\n)*' > "$OUTFILE"

LYNIS_WARNINGS="$(cat $OUTFILE)"


curl -F "content=$LYNIS_WARNINGS" -F "initial_comment=lynis report for $MY_HOSTNAME" -F channels="$SLACK_CHANNEL_ID" -F token="$SLACK_TOKEN" https://slack.com/api/files.upload

rm "$OUTFILE"