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92 lines
2.5 KiB
92 lines
2.5 KiB
2 years ago
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#!/bin/bash
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# info: add firewall blocking rule
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# options: IP CHAIN
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#
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# example: v-add-firewall-ban 37.120.129.20 MAIL
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#
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# This function adds new blocking rule to system firewall
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#----------------------------------------------------------#
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# Variables & Functions #
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#----------------------------------------------------------#
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# Argument definition
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ip=$1
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chain=$(echo $2 | tr '[:lower:]' '[:upper:]')
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# Defining absolute path for iptables and modprobe
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iptables="/sbin/iptables"
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# Includes
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# shellcheck source=/etc/hestiacp/hestia.conf
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source /etc/hestiacp/hestia.conf
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# shellcheck source=/usr/local/hestia/func/main.sh
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source $HESTIA/func/main.sh
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# shellcheck source=/usr/local/hestia/func/firewall.sh
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source $HESTIA/func/firewall.sh
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# load config file
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source_conf "$HESTIA/conf/hestia.conf"
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#----------------------------------------------------------#
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# Verifications #
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#----------------------------------------------------------#
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check_args '2' "$#" 'IP CHAIN'
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is_format_valid 'ip' 'chain'
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is_system_enabled "$FIREWALL_SYSTEM" 'FIREWALL_SYSTEM'
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# Perform verification if read-only mode is enabled
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check_hestia_demo_mode
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#----------------------------------------------------------#
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# Action #
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#----------------------------------------------------------#
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# Self heal iptables links
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heal_iptables_links
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# Checking server ip
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if [ -e "$HESTIA/data/ips/$ip" ] || [ "$ip" = '127.0.0.1' ]; then
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exit
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fi
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# Checking ip exclusions
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excludes="$HESTIA/data/firewall/excludes.conf"
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check_excludes=$(grep "^$ip$" $excludes 2> /dev/null)
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if [ -n "$check_excludes" ]; then
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exit
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fi
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# Checking ip in banlist
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conf="$HESTIA/data/firewall/banlist.conf"
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check_ip=$(grep "IP='$ip' CHAIN='$chain'" $conf 2> /dev/null)
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if [ -n "$check_ip" ]; then
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exit
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fi
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# Adding chain
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$BIN/v-add-firewall-chain $chain
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# Generating timestamp
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time_n_date=$(date +'%T %F')
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time=$(echo "$time_n_date" | cut -f 1 -d \ )
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date=$(echo "$time_n_date" | cut -f 2 -d \ )
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# Adding ip to banlist
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echo "IP='$ip' CHAIN='$chain' TIME='$time' DATE='$date'" >> $conf
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$iptables -I fail2ban-$chain 1 -s $ip \
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-j REJECT --reject-with icmp-port-unreachable 2> /dev/null
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# Changing permissions
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chmod 660 $conf
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#----------------------------------------------------------#
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# Hestia #
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#----------------------------------------------------------#
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# Logging
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$BIN/v-log-action "system" "Warning" "Firewall" "Banned IP address $ip."
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log_event "$OK" "$ARGUMENTS"
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exit
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