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Add ban feature to fail2ban script (#2538)

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Casper 2022-04-19 10:44:51 +02:00 • committed by GitHub
parent 9aaf15b38f
commit de61d42e68
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9 changed files with 105 additions and 30 deletions
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28
target/bin/fail2ban
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@ -3,7 +3,7 @@
# shellcheck source=../scripts/helpers/index.sh
source /usr/local/bin/helpers/index.sh
function __usage { echo "Usage: ${0} [<unban> <ip-address>]" ; }
function __usage { echo "Usage: ./setup.sh fail2ban [<ban|unban> <IP>]" ; }
unset JAILS
declare -a JAILS
@ -36,6 +36,26 @@ else
case "${1}" in
( 'help' ) __usage ; exit ;;
( 'ban' )
shift
if [[ -n ${1} ]]
then
RESULT=$(fail2ban-client set custom banip "${@}")
if [[ ${RESULT} -gt 0 ]]
then
echo "Banned custom IP: ${RESULT}"
else
_log 'error' "Banning '${*}' failed. Already banned?"
fi
else
_log 'warn' "You need to specify an IP address: Run './setup.sh fail2ban ban <IP>'"
exit 0
fi
;;
( 'unban' )
shift
if [[ -n ${1} ]]
@ -43,13 +63,13 @@ else
for JAIL in "${JAILS[@]}"
do
RESULT="$(fail2ban-client set "${JAIL}" unbanip "${@}" 2>&1)"
RESULT=$(fail2ban-client set "${JAIL}" unbanip "${@}" 2>&1)
[[ ${RESULT} != *"is not banned"* ]] && [[ ${RESULT} != *"NOK"* ]] && echo -e "Unbanned IP from ${JAIL}: ${RESULT}"
[[ ${RESULT} != *"is not banned"* ]] && [[ ${RESULT} != *"NOK"* ]] && echo "Unbanned IP from ${JAIL}: ${RESULT}"
done
else
_log 'warn' "You need to specify an IP address: Run './setup.sh debug fail2ban' to get a list of banned IP addresses"
_log 'warn' "You need to specify an IP address: Run './setup.sh fail2ban' to get a list of banned IP addresses"
exit 0
fi
;;