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# Copyright (C) 2009-2010 OpenWrt.org
fw_config_get_rule() {
[ "${rule_NAME}" != "$1" ] || return
fw_config_get_section "$1" rule { \
string _name "$1" \
string name "" \
string src "" \
ipaddr src_ip "" \
string src_mac "" \
string src_port "" \
string dest "" \
ipaddr dest_ip "" \
string dest_port "" \
string icmp_type "" \
string proto "tcpudp" \
string target "" \
string family "" \
} || return
[ -n "$rule_name" ] || rule_name=$rule__name
[ "$rule_proto" == "icmp" ] || rule_icmp_type=
}
fw_load_rule() {
fw_config_get_rule "$1"
[ "$rule_target" != "NOTRACK" ] || [ -n "$rule_src" ] || {
fw_log error "NOTRACK rule ${rule_name}: needs src, skipping"
return 0
}
fw_callback pre rule
fw_get_port_range rule_src_port $rule_src_port
fw_get_port_range rule_dest_port $rule_dest_port
local table=f
local chain=input
local target="${rule_target:-REJECT}"
if [ "$target" == "NOTRACK" ]; then
table=r
chain="zone_${rule_src}_notrack"
else
[ -n "$rule_src" ] && chain="zone_${rule_src}${rule_dest:+_forward}"
[ -n "$rule_dest" ] && target="zone_${rule_dest}_${target}"
fi
local mode
fw_get_family_mode mode ${rule_family:-x} $rule_src I
local src_spec dest_spec
fw_get_negation src_spec '-s' "${rule_src_ip:+$rule_src_ip/$rule_src_ip_prefixlen}"
fw_get_negation dest_spec '-d' "${rule_dest_ip:+$rule_dest_ip/$rule_dest_ip_prefixlen}"
[ "$rule_proto" == "tcpudp" ] && rule_proto="tcp udp"
for rule_proto in $rule_proto; do
local rule_pos
eval 'rule_pos=$((++FW__RULE_COUNT_'${mode#G}'_'$chain'))'
fw add $mode $table $chain $target $rule_pos { $rule_src_ip $rule_dest_ip } { \
$src_spec $dest_spec \
${rule_proto:+-p $rule_proto} \
${rule_src_port:+--sport $rule_src_port} \
${rule_src_mac:+-m mac --mac-source $rule_src_mac} \
${rule_dest_port:+--dport $rule_dest_port} \
${rule_icmp_type:+--icmp-type $rule_icmp_type} \
}
done
fw_callback post rule
}
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