blob: e79b62b9b19251bf589999003ab3b0f4c263a0e9 [file] [log] [blame] [raw]
#!/bin/sh
# Copyright 2015-2025 Rivoreo
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
# IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
if [ -z "$HOME" ]; then
echo "HOME not set" 1>&2
exit 1
fi
if [ ! -d "$HOME" ]; then
echo "Home directory didn't exist, please check the HOME environment variable" 1>&2
exit 1
fi
BLACKLIST_SOURCE_ADDRESS=111.127.52.28
BLACKLIST_SOURCE_PORT=6
BLACKLIST_SOURCE_HOST_PUBLIC_ECDSA_KEY="ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBNDyYd6CBagb/jyYV5pvy42YOn4XMp0EuaIB8polNPgf9nXy/8b0fhGOjjmtDtY6swwoY9UsMdMzGgFNV3bZPRo="
BLACKLIST_SOURCE_HOST_PUBLIC_RSA_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCgIOe2WcJ4VJALGocMB0HWPNHJEFHpsAhx7PcsKcSovzxJh8gayPEWGI5l1sWqeR/71lR1CoUIywRIUWiDt4crBWi+jDdsWCewytO59Dmx+Ei4YduZOlMy78ffvEM8fYP1d2BJJ0874wpA9DuyBgaZkRZRmfivHQIUFyPq2fG8bWx9OpqtIC5//6o/fI785+sQedJRLacwrINdZM2J3kOQ6BVsWIP2J5pC4JAmUTNUvOcOipivPSqLyUwqsFOWnAeCxF9elFPyFD492RbxIhNOrIuWUjtM5Scnl+Yj/+Yk7uxOpWuUlxBr0qLen7jOiXpR5JMMSrpboG/TaJPIXLXN"
BLACKLIST_FILE="$HOME/.blacklist"
set -e
known_hosts_file="`mktemp`"
trap 'rm -f "$known_hosts_file"' EXIT
cat > "$known_hosts_file" << EOF
[$BLACKLIST_SOURCE_ADDRESS]:$BLACKLIST_SOURCE_PORT $BLACKLIST_SOURCE_HOST_PUBLIC_ECDSA_KEY
[$BLACKLIST_SOURCE_ADDRESS]:$BLACKLIST_SOURCE_PORT $BLACKLIST_SOURCE_HOST_PUBLIC_RSA_KEY
$BLACKLIST_SOURCE_ADDRESS $BLACKLIST_SOURCE_HOST_PUBLIC_ECDSA_KEY
$BLACKLIST_SOURCE_ADDRESS $BLACKLIST_SOURCE_HOST_PUBLIC_RSA_KEY
EOF
ssh -o ProxyCommand=none -o BatchMode=yes -o PubkeyAuthentication=no -o StrictHostKeyChecking=yes -o "GlobalKnownHostsFile $known_hosts_file" "$BLACKLIST_SOURCE_ADDRESS" -p "$BLACKLIST_SOURCE_PORT" -l get-blacklist -T < /dev/null | while read -r a
do grep --line-regexp -Fq -- "$a" "$BLACKLIST_FILE" || printf %s\\n "$a" >> "$BLACKLIST_FILE"
done