mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
d46e094280
Co-authored-by: Georg Lauterbach <44545919+georglauterbach@users.noreply.github.com>
86 lines
1.7 KiB
Bash
Executable file
86 lines
1.7 KiB
Bash
Executable file
#! /bin/bash
|
|
|
|
# shellcheck source=../scripts/helper-functions.sh
|
|
. /usr/local/bin/helper-functions.sh
|
|
|
|
if ! IPTABLES_OUTPUT=$(iptables -L -n 2>&1)
|
|
then
|
|
echo "IPTables is not functioning correctly. The output of \`iptables -L\` was:
|
|
|
|
${IPTABLES_OUTPUT}
|
|
|
|
Possible causes for this error are
|
|
|
|
1. Missing capabilities (you need CAP_NET_RAW & CAP_NET_ADMIN, see \`capsh --print\`)
|
|
2. Modifications caused by user-patches.sh
|
|
3. Host is configured incorrectly
|
|
|
|
Aborting...
|
|
"
|
|
|
|
exit 1
|
|
fi
|
|
|
|
function usage { echo "Usage: ${0} [<unban> <ip-address>]" ; }
|
|
|
|
unset JAILS
|
|
declare -a JAILS
|
|
for LIST in $(fail2ban-client status | grep "Jail list" | cut -f2- | sed 's/,/ /g')
|
|
do
|
|
JAILS+=("${LIST}")
|
|
done
|
|
|
|
if [[ -z ${1} ]]
|
|
then
|
|
|
|
IP_COUNT=0
|
|
|
|
for JAIL in "${JAILS[@]}"
|
|
do
|
|
BANNED_IP="$(iptables -L "f2b-${JAIL}" -n 2>/dev/null | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -v '0.0.0.0')"
|
|
|
|
if [[ -n ${BANNED_IP} ]]
|
|
then
|
|
echo "Banned in ${JAIL}: ${BANNED_IP//$'\n'/, }"
|
|
IP_COUNT=$(( IP_COUNT + 1 ))
|
|
fi
|
|
done
|
|
|
|
if [[ ${IP_COUNT} -eq 0 ]]
|
|
then
|
|
echo "No IPs have been banned."
|
|
fi
|
|
|
|
else
|
|
|
|
case ${1} in
|
|
|
|
unban)
|
|
shift
|
|
if [[ -n ${1} ]]
|
|
then
|
|
|
|
for JAIL in "${JAILS[@]}"
|
|
do
|
|
RESULT="$(fail2ban-client set "${JAIL}" unbanip "${@}" 2>&1)"
|
|
|
|
[[ ${RESULT} != *"is not banned"* ]] && [[ ${RESULT} != *"NOK"* ]] && echo -e "Unbanned IP from ${JAIL}: ${RESULT}"
|
|
done
|
|
|
|
else
|
|
echo "You need to specify an IP address. Run './setup.sh debug fail2ban' to get a list of banned IP addresses." >&2
|
|
exit 0
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
usage
|
|
errex "unknown command: ${1}"
|
|
;;
|
|
|
|
esac
|
|
|
|
fi
|
|
|
|
exit 0
|