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