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hestiacp/bin/v-change-firewall-rule

96 lines
2.9 KiB

#!/bin/bash
# info: change firewall rule
# options: RULE ACTION IP PORT [PROTOCOL] [COMMENT]
#
# example: v-change-firewall-rule 3 ACCEPT 5.188.123.17 443
#
# This function is used for changing existing firewall rule.
# It fully replace rule with new one but keeps same id.
#----------------------------------------------------------#
# Variables & Functions #
#----------------------------------------------------------#
# Argument definition
rule=$1
action=$(echo $2 | tr '[:lower:]' '[:upper:]')
ip=$3
port_ext=$4
protocol=${5-TCP}
protocol=$(echo $protocol | tr '[:lower:]' '[:upper:]')
comment=$6
# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"
# Sort function
sort_fw_rules() {
cat $HESTIA/data/firewall/rules.conf \
| sort -n -k 2 -t \' > $HESTIA/data/firewall/rules.conf.tmp
mv -f $HESTIA/data/firewall/rules.conf.tmp \
$HESTIA/data/firewall/rules.conf
}
#----------------------------------------------------------#
# Verifications #
#----------------------------------------------------------#
check_args '4' "$#" 'RULE ACTION IP PORT [PROTOCOL] [COMMENT]'
is_format_valid 'rule' 'action' 'protocol' 'port_ext'
if [ ! -z "$comment" ]; then
is_format_valid 'comment'
fi
is_system_enabled "$FIREWALL_SYSTEM" 'FIREWALL_SYSTEM'
is_object_valid '../../data/firewall/rules' 'RULE' "$rule"
if [[ "$ip" =~ ^ipset: ]]; then
ipset_name="${ip#ipset:}"
$BIN/v-list-firewall-ipset plain | grep "^$ipset_name\s" > /dev/null
check_result $? 'ipset object not found' "$E_NOTEXIST"
else
is_format_valid 'ip'
fi
# Perform verification if read-only mode is enabled
check_hestia_demo_mode
#----------------------------------------------------------#
# Action #
#----------------------------------------------------------#
# Generating timestamp
time_n_date=$(date +'%T %F')
time=$(echo "$time_n_date" | cut -f 1 -d \ )
date=$(echo "$time_n_date" | cut -f 2 -d \ )
# Concatenating firewall rule
str="RULE='$rule' ACTION='$action' PROTOCOL='$protocol' PORT='$port_ext'"
str="$str IP='$ip' COMMENT='$comment' SUSPENDED='no'"
str="$str TIME='$time' DATE='$date'"
# Deleting old rule
sed -i "/RULE='$rule' /d" $HESTIA/data/firewall/rules.conf
# Adding new
echo "$str" >> $HESTIA/data/firewall/rules.conf
# Sorting firewall rules by id number
sort_fw_rules
# Updating system firewall
$BIN/v-update-firewall
#----------------------------------------------------------#
# Hestia #
#----------------------------------------------------------#
# Logging
$BIN/v-log-action "system" "Info" "Firewall" "Firewall rule changed (Rule: $rule, Action: $action, Protocol: $protocol, Port: $port_ext)."
log_event "$OK" "$ARGUMENTS"
exit