local dest_ip
local dest_port
local proto
+ local icmp_type
local target
local ruleset
config_get dest_ip $1 dest_ip
config_get dest_port $1 dest_port
config_get proto $1 proto
+ config_get icmp_type $1 icmp_type
config_get target $1 target
config_get ruleset $1 ruleset
add_rule() {
$IPTABLES -I $ZONE 1 \
${proto:+-p $proto} \
+ ${icmp_type:+--icmp-type $icmp_type} \
${src_ip:+-s $src_ip} \
${src_port:+--sport $src_port} \
${src_mac:+-m mac --mac-source $src_mac} \