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firejail_blacklist_violation_notify.sh - Notifications on blacklist violations, useful for debugging
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#!/usr/bin/env bash | |
# Copyright © 2019,2020 rusty-snake | |
# | |
# Permission to use, copy, modify, and distribute this software for any | |
# purpose with or without fee is hereby granted, provided that the above | |
# copyright notice and this permission notice appear in all copies. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
function usage { | |
echo "Usage:" | |
echo -e "\tNOTIFY_TOOL=\"<ZENITY|KDIALOG|NOTIFY-SEND>\" $0" | |
} | |
if [ "$1" == "--help" ] || [ "$1" == "-h" ] || [ "$1" == "-?" ]; then | |
usage "$@" | |
exit 0 | |
fi | |
if [ ! -v "NOTIFY_TOOL" ]; then | |
printf "Error: \"NOTIFY_TOOL\" not set.\n" | |
usage "$@" | |
exit 1 | |
fi | |
if [ "$NOTIFY_TOOL" == "ZENITY" ]; then | |
notify_cmd="zenity" | |
notify_args=(--title "Blacklist violation" --no-wrap --warning --text) | |
elif [ "$NOTIFY_TOOL" == "KDIALOG" ]; then | |
notify_cmd="kdialog" | |
notify_args=(--title "Blacklist violation" --sorry) | |
elif [ "$NOTIFY_TOOL" == "NOTIFY-SEND" ]; then | |
notify_cmd="notify-send" | |
notify_args=(--icon "dialog-warning" "Blacklist violation") | |
else | |
printf "Error: Invalid value for NOTIFY_TOOL.\n" | |
usage "$@" | |
exit 1 | |
fi | |
journalctl --grep="blacklist violation - sandbox" --output=json --follow | jq --unbuffered ".MESSAGE" | xargs -L1 -P0 "$notify_cmd" "${notify_args[@]}" |
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