#!/bin/bash

DIR="$(cd "$(dirname "$0")" && pwd)"
MY_PATH=$DIR/nftables.sh
NFTSET_LANIPLIST="laniplist"
NFTSET_VPSIPLIST="vpsiplist"
NFTSET_SHUNTLIST="shuntlist"
NFTSET_GFW="gfwlist"
NFTSET_CHN="chnroute"
NFTSET_BLACKLIST="blacklist"
NFTSET_WHITELIST="whitelist"
NFTSET_BLOCKLIST="blocklist"

NFTSET_LANIPLIST6="laniplist6"
NFTSET_VPSIPLIST6="vpsiplist6"
NFTSET_SHUNTLIST6="shuntlist6"
NFTSET_GFW6="gfwlist6"
NFTSET_CHN6="chnroute6"
NFTSET_BLACKLIST6="blacklist6"
NFTSET_WHITELIST6="whitelist6"
NFTSET_BLOCKLIST6="blocklist6"

FORCE_INDEX=2

. /lib/functions/network.sh

FWI=$(uci -q get firewall.passwall.path 2>/dev/null)
FAKE_IP="198.18.0.0/16"

factor() {
	if [ -z "$1" ] || [ -z "$2" ]; then
		echo ""
	elif [ "$1" == "1:65535" ]; then
		echo ""
	# acl mac address
	elif [ -n "$(echo $1 | grep -E '([A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}')" ]; then
		echo "$2 {$1}"
	else
		echo "$2 {$(echo $1 | sed 's/:/-/g')}"
	fi
}

insert_rule_before() {
	[ $# -ge 3 ] || {
		return 1
	}
	local table="${1}"; shift
	local chain="${1}"; shift
	local keyword="${1}"; shift
	local rule="${1}"; shift
	local default_index="${1}"; shift
	default_index=${default_index:-0}
	local _index=$(nft -a list chain $table $chain 2>/dev/null | grep "$keyword" | awk -F '# handle ' '{print$2}' | head -n 1 | awk '{print $1}')
	if [ -z "${_index}" ] && [ "${default_index}" = "0" ]; then
		nft "add rule $table $chain $rule"
	else
		if [ -z "${_index}" ]; then
			_index=${default_index}
		fi
		nft "insert rule $table $chain position $_index $rule"
	fi
}

insert_rule_after() {
	[ $# -ge 3 ] || {
		return 1
	}
	local table="${1}"; shift
	local chain="${1}"; shift
	local keyword="${1}"; shift
	local rule="${1}"; shift
	local default_index="${1}"; shift
	default_index=${default_index:-0}
	local _index=$(nft -a list chain $table $chain 2>/dev/null | grep "$keyword" | awk -F '# handle ' '{print$2}' | head -n 1 | awk '{print $1}')
	if [ -z "${_index}" ] && [ "${default_index}" = "0" ]; then
		$ipt_tmp -A $chain $rule
	else
		if [ -z "${_index}" ]; then
			_index=${default_index}
		fi
		nft "add rule $table $chain position $_index $rule"
	fi
}

RULE_LAST_INDEX() {
	[ $# -ge 3 ] || {
		echolog "索引列举方式不正确（nftables），终止执行！"
		return 1
	}
	local ipt_tmp="${1}"; shift
	local chain="${1}"; shift
	local list="${1}"; shift
	local default="${1:-0}"; shift
	local _index=$(nft -a list chain inet fw4 $chain 2>/dev/null | grep "$keyword" | awk -F '# handle ' '{print$2}' | head -n 1 | awk '{print $1}')
	echo "${_index:-${default}}"
}

REDIRECT() {
	local s="counter redirect"
	[ -n "$1" ] && {
		local s="$s to :$1"
		[ "$2" == "MARK" ] && s="counter meta mark set $1"
		[ "$2" == "TPROXY" ] && {
			s="counter meta mark 1 tproxy to :$1"
		}
		[ "$2" == "TPROXY4" ] && {
			s="counter meta mark 1 tproxy ip to :$1"
		}
		[ "$2" == "TPROXY6" ] && {
			s="counter meta mark 1 tproxy ip6 to :$1"
		}

	}
	echo $s
}

destroy_nftset() {
	for i in "$@"; do
		nft flush set inet fw4 $i 2>/dev/null
		nft delete set inet fw4 $i 2>/dev/null
	done
}

insert_nftset() {
	local nftset_name="${1}"; shift
	for nft_element in $@
	do
		nft add element inet fw4 $nftset_name { $nft_element }
	done
}

gen_nftset() {
	local nftset_name="${1}"; shift
	local ip_type="${1}"; shift
	mkdir -p $TMP_PATH2/nftset

	cat > "$TMP_PATH2/nftset/$nftset_name" <<-EOF
		define $nftset_name = {$@}
		add set inet fw4 $nftset_name { type $ip_type; flags interval; auto-merge; }	
		add element inet fw4 $nftset_name \$$nftset_name
	EOF
	nft -f "$TMP_PATH2/nftset/$nftset_name"
	rm "$TMP_PATH2/nftset/$nftset_name"
}

get_redirect_ipv4() {
	case "$1" in
	disable)
		echo "counter return"
		;;
	global)
		echo "$(REDIRECT $2 $3)"
		;;
	gfwlist)
		echo "ip daddr @$NFTSET_GFW $(REDIRECT $2 $3)"
		;;
	chnroute)
		echo "ip daddr != @$NFTSET_CHN $(REDIRECT $2 $3)"
		;;
	returnhome)
		echo "ip daddr @$NFTSET_CHN $(REDIRECT $2 $3)"
		;;
	direct/proxy)
		echo "counter return"
		;;
	esac
}

get_redirect_ipv6() {
	case "$1" in
	disable)
		echo "counter return"
		;;
	global)
		echo "$(REDIRECT $2 $3)"
		;;
	gfwlist)
		echo "ip6 daddr @$NFTSET_GFW6 $(REDIRECT $2 $3)"
		;;
	chnroute)
		echo "ip6 daddr != $NFTSET_CHN6 $(REDIRECT $2 $3)"
		;;
	returnhome)
		echo "ip6 daddr $NFTSET_CHN6 $(REDIRECT $2 $3)"
		;;
	direct/proxy)
		echo "counter return"
		;;
	esac
}

get_nftset_ipv4() {
	case "$1" in
	gfwlist)
		echo "ip daddr @$NFTSET_GFW counter"
		;;
	chnroute)
		echo "ip daddr != @$NFTSET_CHN counter"
		;;
	returnhome)
		echo "$ip daddr @$NFTSET_CHN counter"
		;;
	esac
}

get_nftset_ipv6() {
	case "$1" in
	gfwlist)
		echo "ip6 daddr @$NFTSET_GFW6 counter"
		;;
	chnroute)
		echo "ip6 daddr != @$NFTSET_CHN6 counter"
		;;
	returnhome)
		echo "$ip6 daddr @$NFTSET_CHN6 counter"
		;;
	esac
}

get_action_chain_name() {
	case "$1" in
	disable)
		echo "不代理"
		;;
	global)
		echo "全局代理"
		;;
	gfwlist)
		echo "防火墙列表"
		;;
	chnroute)
		echo "中国列表以外"
		;;
	returnhome)
		echo "中国列表"
		;;
	direct/proxy)
		echo "仅使用直连/代理列表"
		;;
	esac
}

gen_laniplist() {
	cat $RULES_PATH/lanlist_ipv4 | tr -s '\n' | grep -v "^#"
}

gen_laniplist_6() {
	cat $RULES_PATH/lanlist_ipv6 | tr -s '\n' | grep -v "^#"
}

get_wan_ip() {
	local NET_IF
	local NET_ADDR
	
	network_flush_cache
	network_find_wan NET_IF
	network_get_ipaddr NET_ADDR "${NET_IF}"
	
	echo $NET_ADDR
}

get_wan6_ip() {
	local NET_IF
	local NET_ADDR
	
	network_flush_cache
	network_find_wan6 NET_IF
	network_get_ipaddr6 NET_ADDR "${NET_IF}"
	
	echo $NET_ADDR
}

load_acl() {
	local items=$(uci show ${CONFIG} | grep "=acl_rule" | cut -d '.' -sf 2 | cut -d '=' -sf 1)
	[ -n "$items" ] && {
		local item
		local socks_port redir_port dns_port dnsmasq_port
		local ipt_tmp msg msg2
		socks_port=11100
		redir_port=11200
		dns_port=11300
		dnsmasq_port=11400
		echolog "访问控制："
		for item in $items; do
			local enabled sid remarks sources tcp_proxy_mode udp_proxy_mode tcp_no_redir_ports udp_no_redir_ports tcp_proxy_drop_ports udp_proxy_drop_ports tcp_redir_ports udp_redir_ports tcp_node udp_node dns_mode remote_dns v2ray_dns_mode remote_dns_doh dns_client_ip
			local _ip _mac _iprange _ipset _ip_or_mac rule_list tcp_port udp_port tcp_node_remark udp_node_remark config_file _extra_param
			sid=$(uci -q show "${CONFIG}.${item}" | grep "=acl_rule" | awk -F '=' '{print $1}' | awk -F '.' '{print $2}')
			eval $(uci -q show "${CONFIG}.${item}" | cut -d'.' -sf 3-)
			[ "$enabled" = "1" ] || continue
			
			[ -z "${sources}" ] && continue
			for s in $sources; do
				is_iprange=$(lua_api "iprange(\"${s}\")")
				if [ "${is_iprange}" = "true" ]; then
					rule_list="${rule_list}\niprange:${s}"
				elif [ -n "$(echo ${s} | grep '^ipset:')" ]; then
					rule_list="${rule_list}\nipset:${s}"
				else
					_ip_or_mac=$(lua_api "ip_or_mac(\"${s}\")")
					if [ "${_ip_or_mac}" = "ip" ]; then
						rule_list="${rule_list}\nip:${s}"
					elif [ "${_ip_or_mac}" = "mac" ]; then
						rule_list="${rule_list}\nmac:${s}"
					fi
				fi
			done
			[ -z "${rule_list}" ] && continue
			
			tcp_proxy_mode=${tcp_proxy_mode:-default}
			udp_proxy_mode=${udp_proxy_mode:-default}
			tcp_no_redir_ports=${tcp_no_redir_ports:-default}
			udp_no_redir_ports=${udp_no_redir_ports:-default}
			tcp_proxy_drop_ports=${tcp_proxy_drop_ports:-default}
			udp_proxy_drop_ports=${udp_proxy_drop_ports:-default}
			tcp_redir_ports=${tcp_redir_ports:-default}
			udp_redir_ports=${udp_redir_ports:-default}
			tcp_node=${tcp_node:-default}
			udp_node=${udp_node:-default}
			dns_mode=${dns_mode:-dns2socks}
			remote_dns=${remote_dns:-1.1.1.1}
			[ "$dns_mode" = "v2ray" -o "$dns_mode" = "xray" ] && {
				[ "$v2ray_dns_mode" = "doh" ] && remote_dns=${remote_dns_doh:-https://1.1.1.1/dns-query}
			}
			[ "$tcp_proxy_mode" = "default" ] && tcp_proxy_mode=$TCP_PROXY_MODE
			[ "$udp_proxy_mode" = "default" ] && udp_proxy_mode=$UDP_PROXY_MODE
			[ "$tcp_no_redir_ports" = "default" ] && tcp_no_redir_ports=$TCP_NO_REDIR_PORTS
			[ "$udp_no_redir_ports" = "default" ] && udp_no_redir_ports=$UDP_NO_REDIR_PORTS
			[ "$tcp_proxy_drop_ports" = "default" ] && tcp_proxy_drop_ports=$TCP_PROXY_DROP_PORTS
			[ "$udp_proxy_drop_ports" = "default" ] && udp_proxy_drop_ports=$UDP_PROXY_DROP_PORTS
			[ "$tcp_redir_ports" = "default" ] && tcp_redir_ports=$TCP_REDIR_PORTS
			[ "$udp_redir_ports" = "default" ] && udp_redir_ports=$UDP_REDIR_PORTS
			[ "$tcp_node" != "nil" ] && {
				if [ "$tcp_node" = "default" ]; then
					tcp_node=$TCP_NODE
					tcp_port=$TCP_REDIR_PORT
				else
					[ "$(config_get_type $tcp_node nil)" = "nodes" ] && {
						run_dns() {
							local _dns_port
							[ -n $1 ] && _dns_port=$1
							[ -z ${_dns_port} ] && {
								dns_port=$(get_new_port $(expr $dns_port + 1))
								_dns_port=$dns_port
								if [ "$dns_mode" = "dns2socks" ]; then
									run_dns2socks flag=acl_${sid} socks_address=127.0.0.1 socks_port=$socks_port listen_address=0.0.0.0 listen_port=${_dns_port} dns=$remote_dns cache=1
								elif [ "$dns_mode" = "v2ray" -o "$dns_mode" = "xray" ]; then
									config_file=$TMP_ACL_PATH/${tcp_node}_SOCKS_${socks_port}_DNS.json
									run_v2ray flag=acl_${sid} type=$dns_mode dns_socks_address=127.0.0.1 dns_socks_port=$socks_port dns_listen_port=${_dns_port} remote_dns_protocol=${v2ray_dns_mode} remote_dns_tcp_server=${remote_dns} remote_dns_doh="${remote_dns}" dns_client_ip=${dns_client_ip} dns_query_strategy=${DNS_QUERY_STRATEGY} config_file=$config_file
								fi
								eval node_${tcp_node}_$(echo -n "${remote_dns}" | md5sum | cut -d " " -f1)=${_dns_port}
							}

							dnsmasq_port=$(get_new_port $(expr $dnsmasq_port + 1))
							redirect_dns_port=$dnsmasq_port
							mkdir -p $TMP_ACL_PATH/$sid/dnsmasq.d
							default_dnsmasq_cfgid=$(uci show dhcp.@dnsmasq[0] |  awk -F '.' '{print $2}' | awk -F '=' '{print $1}'| head -1)
							[ -s "/tmp/etc/dnsmasq.conf.${default_dnsmasq_cfgid}" ] && {
								cp -r /tmp/etc/dnsmasq.conf.${default_dnsmasq_cfgid} $TMP_ACL_PATH/$sid/dnsmasq.conf
								sed -i "/ubus/d" $TMP_ACL_PATH/$sid/dnsmasq.conf
								sed -i "/dhcp/d" $TMP_ACL_PATH/$sid/dnsmasq.conf
								sed -i "/port=/d" $TMP_ACL_PATH/$sid/dnsmasq.conf
								sed -i "/conf-dir/d" $TMP_ACL_PATH/$sid/dnsmasq.conf
							}
							echo "port=${dnsmasq_port}" >> $TMP_ACL_PATH/$sid/dnsmasq.conf
							echo "conf-dir=${TMP_ACL_PATH}/${sid}/dnsmasq.d" >> $TMP_ACL_PATH/$sid/dnsmasq.conf
							d_server=127.0.0.1
							[ "$tcp_proxy_mode" = "global" ] && {
								d_server=${d_server}#${_dns_port}
								echo "server=${d_server}" >> $TMP_ACL_PATH/$sid/dnsmasq.conf
							}
							source $APP_PATH/helper_${DNS_N}.sh add FLAG=${sid} DNS_MODE=$dns_mode TMP_DNSMASQ_PATH=$TMP_ACL_PATH/$sid/dnsmasq.d DNSMASQ_CONF_FILE=/dev/null LOCAL_DNS=$LOCAL_DNS TUN_DNS=127.0.0.1#${_dns_port} TCP_NODE=$tcp_node PROXY_MODE=${tcp_proxy_mode} NO_LOGIC_LOG=1 NO_PROXY_IPV6=${filter_proxy_ipv6} NFTFLAG=${nftflag}
							ln_run "$(first_type dnsmasq)" "dnsmasq_${sid}" "/dev/null" -C $TMP_ACL_PATH/$sid/dnsmasq.conf -x $TMP_ACL_PATH/$sid/dnsmasq.pid
							eval node_${tcp_node}_$(echo -n "${tcp_proxy_mode}${remote_dns}" | md5sum | cut -d " " -f1)=${dnsmasq_port}
						}
						if [ "$tcp_node" = "$TCP_NODE" ]; then
							tcp_port=$TCP_REDIR_PORT
						else
							_redir_port=$(eval echo \${node_${tcp_node}_redir_port})
							_socks_port=$(eval echo \${node_${tcp_node}_socks_port})
							if [ -n "${_socks_port}" ] && [ -n "${_redir_port}" ]; then
								socks_port=${_socks_port}
								tcp_port=${_redir_port}
								_dnsmasq_port=$(eval echo \${node_${tcp_node}_$(echo -n "${tcp_proxy_mode}${remote_dns}" | md5sum | cut -d " " -f1)})
								if [ -z "${_dnsmasq_port}" ]; then
									_dns_port=$(eval echo \${node_${tcp_node}_$(echo -n "${remote_dns}" | md5sum | cut -d " " -f1)})
									run_dns ${_dns_port}
								else
									redirect_dns_port=${_dnsmasq_port}
								fi
							else
								socks_port=$(get_new_port $(expr $socks_port + 1))
								eval node_${tcp_node}_socks_port=$socks_port
								redir_port=$(get_new_port $(expr $redir_port + 1))
								eval node_${tcp_node}_redir_port=$redir_port
								tcp_port=$redir_port
								config_file="acl/${tcp_node}_SOCKS_${socks_port}.json"

								local type=$(echo $(config_n_get $tcp_node type) | tr 'A-Z' 'a-z')
								if [ -n "${type}" ] && ([ "${type}" = "v2ray" ] || [ "${type}" = "xray" ]); then
									config_file=$(echo $config_file | sed "s/SOCKS/TCP_UDP_SOCKS/g")
									_extra_param="socks_address=127.0.0.1 socks_port=$socks_port"
									if [ "$dns_mode" = "v2ray" -o "$dns_mode" = "xray" ]; then
										config_file=$(echo $config_file | sed "s/SOCKS_${socks_port}/DNS/g")
										dns_port=$(get_new_port $(expr $dns_port + 1))
										_dns_port=$dns_port
										_extra_param="dns_listen_port=${_dns_port} remote_dns_protocol=${v2ray_dns_mode} remote_dns_tcp_server=${remote_dns} remote_dns_doh=${remote_dns} dns_client_ip=${dns_client_ip} dns_query_strategy=${DNS_QUERY_STRATEGY}"
									fi
									config_file="$TMP_PATH/$config_file"
									run_v2ray flag=$tcp_node node=$tcp_node tcp_redir_port=$redir_port ${_extra_param} config_file=$config_file
								else
									run_socks flag=$tcp_node node=$tcp_node bind=127.0.0.1 socks_port=$socks_port config_file=$config_file
									local log_file=$TMP_ACL_PATH/ipt2socks_${tcp_node}_${redir_port}.log
									log_file="/dev/null"
									run_ipt2socks flag=acl_${tcp_node} tcp_tproxy=${is_tproxy} local_port=$redir_port socks_address=127.0.0.1 socks_port=$socks_port log_file=$log_file
								fi
								run_dns ${_dns_port}
							fi
							filter_node $tcp_node TCP > /dev/null 2>&1 &
							filter_node $tcp_node UDP > /dev/null 2>&1 &
						fi
					}
				fi
				tcp_node_remark=$(config_n_get $tcp_node remarks)
			}
			[ "$udp_node" != "nil" ] && {
				[ "$udp_node" = "tcp" ] && udp_node=$tcp_node
				if [ "$udp_node" = "default" ]; then
					udp_node=$UDP_NODE
					[ "$TCP_UDP" = "1" ] && [ "$udp_node" = "nil" ] && udp_node=$TCP_NODE
					udp_port=$UDP_REDIR_PORT
				else
					[ "$(config_get_type $udp_node nil)" = "nodes" ] && {
						if [ "$udp_node" = "$UDP_NODE" ]; then
							udp_port=$UDP_REDIR_PORT
						else
							_redir_port=$(eval echo \${node_${udp_node}_redir_port})
							_socks_port=$(eval echo \${node_${udp_node}_socks_port})
							if [ -n "${_socks_port}" ] && [ -n "${_redir_port}" ]; then
								socks_port=${_socks_port}
								udp_port=${_redir_port}
							else
								socks_port=$(get_new_port $(expr $socks_port + 1))
								eval node_${udp_node}_socks_port=$socks_port
								redir_port=$(get_new_port $(expr $redir_port + 1))
								eval node_${udp_node}_redir_port=$redir_port
								udp_port=$redir_port
								config_file="acl/${udp_node}_SOCKS_${socks_port}.json"

								local type=$(echo $(config_n_get $udp_node type) | tr 'A-Z' 'a-z')
								if [ -n "${type}" ] && ([ "${type}" = "v2ray" ] || [ "${type}" = "xray" ]); then
									config_file=$(echo $config_file | sed "s/SOCKS/TCP_UDP_SOCKS/g")
									config_file="$TMP_PATH/$config_file"
									run_v2ray flag=$udp_node node=$udp_node udp_redir_port=$redir_port config_file=$config_file
								else
									run_socks flag=$udp_node node=$udp_node bind=127.0.0.1 socks_port=$socks_port config_file=$config_file
									local log_file=$TMP_ACL_PATH/ipt2socks_${udp_node}_${redir_port}.log
									log_file="/dev/null"
									run_ipt2socks flag=acl_${udp_node} local_port=$redir_port socks_address=127.0.0.1 socks_port=$socks_port log_file=$log_file
								fi
							fi
							filter_node $udp_node TCP > /dev/null 2>&1 &
							filter_node $udp_node UDP > /dev/null 2>&1 &
						fi
					}
				fi
				udp_node_remark=$(config_n_get $udp_node remarks)
				udp_flag=1
			}
			
			for i in $(echo -e ${rule_list}); do
				if [ -n "$(echo ${i} | grep '^iprange:')" ]; then
					_iprange=$(echo ${i} | sed 's#iprange:##g')
					_ipt_source=$(factor ${_iprange} "ip saddr")
					msg="备注【$remarks】，IP range【${_iprange}】，"
				elif [ -n "$(echo ${i} | grep '^ipset:')" ]; then
					_ipset=$(echo ${i} | sed 's#ipset:##g')
					_ipt_source="ip daddr @${_ipset}"
					msg="备注【$remarks】，NFTset【${_ipset}】，"
				elif [ -n "$(echo ${i} | grep '^ip:')" ]; then
					_ip=$(echo ${i} | sed 's#ip:##g')
					_ipt_source=$(factor ${_ip} "ip saddr")
					msg="备注【$remarks】，IP【${_ip}】，"
				elif [ -n "$(echo ${i} | grep '^mac:')" ]; then
					_mac=$(echo ${i} | sed 's#mac:##g')
					_ipt_source=$(factor ${_mac} "ether saddr")
					msg="备注【$remarks】，MAC【${_mac}】，"
				else
					continue
				fi

				[ -n "$tcp_port" ] && {
					if [ "$tcp_proxy_mode" != "disable" ]; then
						[ -n "$redirect_dns_port" ] && nft "add rule inet fw4 PSW_REDIRECT ip protocol udp ${_ipt_source} udp dport 53 counter redirect to $redirect_dns_port comment \"$remarks\""
						msg2="${msg}使用TCP节点[$tcp_node_remark] [$(get_action_chain_name $tcp_proxy_mode)]"
						if [ -n "${is_tproxy}" ]; then
							msg2="${msg2}(TPROXY:${tcp_port})代理"
						else
							msg2="${msg2}(REDIRECT:${tcp_port})代理"
						fi
						
						[ "$accept_icmp" = "1" ] && {
							nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ${_ipt_source} ip daddr $FAKE_IP $(REDIRECT) comment \"$remarks\""
							nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ${_ipt_source} ip daddr @$NFTSET_SHUNTLIST $(REDIRECT) comment \"$remarks\""
							nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ${_ipt_source} ip daddr @$NFTSET_BLACKLIST $(REDIRECT) comment \"$remarks\""
							nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ${_ipt_source} $(get_redirect_ipv4 $tcp_proxy_mode) comment \"$remarks\""
						}

						[ "$accept_icmpv6" = "1" ] && [ "$PROXY_IPV6" == "1" ] && {
							nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ${_ipt_source} ip6 daddr @$NFTSET_SHUNTLIST6 $(REDIRECT) comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ${_ipt_source} ip6 daddr @$NFTSET_BLACKLIST6 $(REDIRECT) comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ${_ipt_source} $(get_redirect_ipv6 $tcp_proxy_mode) comment \"$remarks\"" 2>/dev/null
						}

						[ "$tcp_no_redir_ports" != "disable" ] && {
							nft "add rule inet fw4 $nft_prerouting_chain ${_ipt_source} ip protocol tcp tcp dport {$tcp_no_redir_ports} counter return comment \"$remarks\""
							nft "add rule inet fw4 PSW_MANGLE_V6 comment ${_ipt_source} meta l4proto tcp tcp dport {$tcp_no_redir_ports} counter return comment \"$remarks\""
							msg2="${msg2}[$?]除${tcp_no_redir_ports}外的"
						}
						msg2="${msg2}所有端口"

						[ "$tcp_proxy_drop_ports" != "disable" ] && {
							[ "$PROXY_IPV6" == "1" ] && {
								nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter drop comment \"$remarks\"" 2>/dev/null
								nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter drop comment \"$remarks\"" 2>/dev/null
								[ "$tcp_proxy_mode" != "direct/proxy" ] && nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") $(get_nftset_ipv6 $tcp_proxy_mode) counter drop comment \"$remarks\"" 2>/dev/null
							}
							nft "add rule inet fw4 $nft_prerouting_chain ip protocol tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") ip daddr $FAKE_IP counter drop comment \"$remarks\""
							nft "add rule inet fw4 $nft_prerouting_chain ip protocol tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") ip daddr @$NFTSET_SHUNTLIST counter drop comment \"$remarks\""
							nft "add rule inet fw4 $nft_prerouting_chain ip protocol tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") ip daddr @$NFTSET_BLACKLIST counter drop comment \"$remarks\""
							[ "$tcp_proxy_mode" != "direct/proxy" ] && nft "add rule inet fw4 $nft_prerouting_chain ip protocol tcp ${_ipt_source} $(factor $tcp_proxy_drop_ports "tcp dport") $(get_nftset_ipv4 $tcp_proxy_mode) counter drop comment \"$remarks\""
							msg2="${msg2}[$?]，屏蔽代理TCP 端口：${tcp_proxy_drop_ports}"
						}

						if [ -z "${is_tproxy}" ]; then
							nft "add rule inet fw4 PSW ${_ipt_source} ip daddr $FAKE_IP $(REDIRECT $tcp_port) comment \"$remarks\""
							nft "add rule inet fw4 PSW ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip daddr @$NFTSET_SHUNTLIST $(REDIRECT $tcp_port) comment \"$remarks\""
							nft "add rule inet fw4 PSW ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip daddr @$NFTSET_BLACKLIST $(REDIRECT $tcp_port) comment \"$remarks\""
							nft "add rule inet fw4 PSW ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") $(get_redirect_ipv4 $tcp_proxy_mode $tcp_port) comment \"$remarks\""
						else
							nft "add rule inet fw4 PSW_MANGLE ip protocol tcp ${_ipt_source} ip daddr $FAKE_IP counter jump PSW_RULE comment \"$remarks\""
							nft "add rule inet fw4 PSW_MANGLE ip protocol tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip daddr @$NFTSET_SHUNTLIST counter jump PSW_RULE comment \"$remarks\""
							nft "add rule inet fw4 PSW_MANGLE ip protocol tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip daddr @$NFTSET_BLACKLIST counter jump PSW_RULE comment \"$remarks\" "
							nft "add rule inet fw4 PSW_MANGLE ip protocol tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") $(get_nftset_ipv4 $tcp_proxy_mode) counter jump PSW_RULE comment \"$remarks\""
							nft "add rule inet fw4 PSW_MANGLE meta nfproto {ipv4} meta l4proto tcp ${_ipt_source} $(REDIRECT $tcp_port TPROXY4) comment \"$remarks\""
						fi

						[ "$PROXY_IPV6" == "1" ] && {
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(factor $tcp_redir_ports "tcp dport") $(get_nftset_ipv6 $tcp_proxy_mode) jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} $(REDIRECT $tcp_port TPROXY) comment \"$remarks\"" 2>/dev/null
						}
					else
						msg2="${msg}不代理TCP"
					fi
					echolog "  - ${msg2}"
				}

				nft "add rule inet fw4 $nft_prerouting_chain ip protocol tcp ${_ipt_source} counter return comment \"$remarks\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp ${_ipt_source} counter return comment \"$remarks\"" 2>/dev/null

				[ "$udp_proxy_drop_ports" != "disable" ] && {
					[ "$PROXY_IPV6" == "1" ] && {
						nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter drop comment \"$remarks\"" 2>/dev/null
						nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter drop comment \"$remarks\"" 2>/dev/null
						[ "$udp_proxy_mode" != "direct/proxy" ] && nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") $(get_nftset_ipv6 $udp_proxy_mode) counter drop comment \"$remarks\"" 2>/dev/null
					}
					nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") ip daddr $FAKE_IP counter drop comment \"$remarks\"" 2>/dev/null
					nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") ip daddr @$NFTSET_SHUNTLIST counter drop comment \"$remarks\"" 2>/dev/null
					nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") ip daddr @$NFTSET_BLACKLIST counter drop comment \"$remarks\"" 2>/dev/null
					[ "$udp_proxy_mode" != "direct/proxy" ] && nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_proxy_drop_ports "udp dport") $(get_nftset_ipv4 $udp_proxy_mode) counter drop comment \"$remarks\"" 2>/dev/null
					msg2="${msg2}[$?]，屏蔽代理UDP 端口：${udp_proxy_drop_ports}"
				}

				[ -n "$udp_port" ] && {
					if [ "$udp_proxy_mode" != "disable" ]; then
						msg2="${msg}使用UDP节点[$udp_node_remark] [$(get_action_chain_name $udp_proxy_mode)]"
						msg2="${msg2}(TPROXY:${udp_port})代理"
						[ "$udp_no_redir_ports" != "disable" ] && {
							nft add rule inet fw4 PSW_MANGLE meta l4proto udp ${_ipt_source} $(factor $udp_no_redir_ports "udp dport") counter return
							nft add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_no_redir_ports "udp dport") counter return 2>/dev/null
							msg2="${msg2}[$?]除${udp_no_redir_ports}外的"
						}
						msg2="${msg2}所有端口"

						nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} ip daddr $FAKE_IP counter jump PSW_RULE comment \"$remarks\""
						nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_redir_ports "udp dport") ip daddr @$NFTSET_SHUNTLIST counter jump PSW_RULE comment \"$remarks\""
						nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_redir_ports "udp dport") ip daddr @$NFTSET_BLACKLIST counter jump PSW_RULE comment \"$remarks\""
						nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(factor $udp_redir_ports "udp dport") $(get_nftset_ipv4 $udp_proxy_mode) jump PSW_RULE comment \"$remarks\""
						nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} $(REDIRECT $udp_port TPROXY4) comment \"$remarks\""

						[ "$PROXY_IPV6" == "1" ] && [ "$PROXY_IPV6_UDP" == "1" ] && {
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_redir_ports "tcp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_redir_ports "tcp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(factor $udp_redir_ports "tcp dport") $(get_nftset_ipv6 $udp_proxy_mode) counter jump PSW_RULE comment \"$remarks\"" 2>/dev/null
							nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} $(REDIRECT $udp_port TPROXY) comment \"$remarks\"" 2>/dev/null
						}
					else
						msg2="${msg}不代理UDP"
					fi
					echolog "  - ${msg2}"
				}
				nft "add rule inet fw4 PSW_MANGLE ip protocol udp ${_ipt_source} counter return comment \"$remarks\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp ${_ipt_source} counter return comment \"$remarks\"" 2>/dev/null
			done
			unset enabled sid remarks sources tcp_proxy_mode udp_proxy_mode tcp_no_redir_ports udp_no_redir_ports tcp_proxy_drop_ports udp_proxy_drop_ports tcp_redir_ports udp_redir_ports tcp_node udp_node dns_mode remote_dns v2ray_dns_mode remote_dns_doh dns_client_ip
			unset _ip _mac _iprange _ipset _ip_or_mac rule_list tcp_port udp_port tcp_node_remark udp_node_remark config_file _extra_param
			unset ipt_tmp msg msg2
			unset redirect_dns_port
		done
		unset socks_port redir_port dns_port dnsmasq_port
		unset ipt_tmp msg msg2
	}

	#  加载TCP默认代理模式
	[ "$TCP_PROXY_DROP_PORTS" != "disable" ] && {
		[ "$PROXY_IPV6" == "1" ] && {
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter drop comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter drop comment \"默认\""
			[ "$TCP_PROXY_MODE" != "direct/proxy" ] && nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") $(get_nftset_ipv6 $TCP_PROXY_MODE) counter drop comment \"默认\""
		}

		nft "add inet fw4 $nft_prerouting_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") ip daddr $FAKE_IP counter drop comment \"默认\""
		nft "add inet fw4 $nft_prerouting_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") ip daddr @$NFTSET_SHUNTLIST counter drop comment \"默认\""
		nft "add inet fw4 $nft_prerouting_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") ip daddr @$NFTSET_BLACKLIST counter drop comment \"默认\""
		[ "$TCP_PROXY_MODE" != "direct/proxy" ] && nft "add inet fw4 $nft_prerouting_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") $(get_nftset_ipv4 $TCP_PROXY_MODE) counter drop comment \"默认\""
	}

	if [ "$TCP_PROXY_MODE" != "disable" ]; then
		[ "$TCP_NO_REDIR_PORTS" != "disable" ] && {
			nft add rule inet fw4 $nft_prerouting_chain ip protocol tcp $(factor $TCP_NO_REDIR_PORTS "tcp dport") counter return comment \"默认\"
			nft add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_NO_REDIR_PORTS "tcp dport") counter return comment \"默认\"
		}
		[ "$TCP_NODE" != "nil" ] && {
			msg="TCP默认代理：使用TCP节点[$(config_n_get $TCP_NODE remarks)] [$(get_action_chain_name $TCP_PROXY_MODE)]"
			if [ -n "${is_tproxy}" ]; then
				msg="${msg}(TPROXY:${TCP_REDIR_PORT})代理"
			else
				msg="${msg}(REDIRECT:${TCP_REDIR_PORT})代理"
			fi
			
			[ "$TCP_NO_REDIR_PORTS" != "disable" ] && msg="${msg}除${TCP_NO_REDIR_PORTS}外的"
			msg="${msg}所有端口"
			
			[ "$accept_icmp" = "1" ] && {
				nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ip daddr $FAKE_IP $(REDIRECT) comment \"默认\""
				nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ip daddr @$NFTSET_SHUNTLIST $(REDIRECT) comment \"默认\""
				nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp ip daddr @$NFTSET_BLACKLIST $(REDIRECT) comment \"默认\""
				nft "add rule inet fw4 PSW_ICMP_REDIRECT ip protocol icmp $(get_redirect_ipv4 $TCP_PROXY_MODE) comment \"默认\""
			}

			[ "$accept_icmpv6" = "1" ] && [ "$PROXY_IPV6" == "1" ] && {
				nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ip6 daddr @$NFTSET_SHUNTLIST6 $(REDIRECT) comment \"默认\""
				nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ip6 daddr @$NFTSET_BLACKLIST6 $(REDIRECT) comment \"默认\""
				nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 $(get_redirect_ipv6 $TCP_PROXY_MODE) comment \"默认\""
			}

			if [ -z "${is_tproxy}" ]; then
				nft "add rule inet fw4 PSW ip protocol tcp ip daddr $FAKE_IP $(REDIRECT $TCP_REDIR_PORT) comment \"默认\""
				nft "add rule inet fw4 PSW ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_SHUNTLIST $(REDIRECT $TCP_REDIR_PORT) comment \"默认\""
				nft "add rule inet fw4 PSW ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_BLACKLIST $(REDIRECT $TCP_REDIR_PORT) comment \"默认\""
				nft "add rule inet fw4 PSW ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_redirect_ipv4 $TCP_PROXY_MODE $TCP_REDIR_PORT) comment \"默认\""
				nft "add rule inet fw4 PSW ip protocol tcp counter return comment \"默认\""
			else
				nft "add rule inet fw4 PSW_MANGLE ip protocol tcp ip daddr $FAKE_IP counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_SHUNTLIST counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_BLACKLIST counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_nftset_ipv4 $TCP_PROXY_MODE) jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE meta l4proto tcp $(REDIRECT $TCP_REDIR_PORT TPROXY) comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE ip protocol tcp counter return comment \"默认\""
			fi

			[ "$PROXY_IPV6" == "1" ] && {
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_nftset_ipv6 $TCP_PROXY_MODE) jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp $(REDIRECT $TCP_REDIR_PORT TPROXY) comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp counter return comment \"默认\""
			}

			echolog "${msg}"
		}
	fi

	#  加载UDP默认代理模式
	[ "$UDP_PROXY_DROP_PORTS" != "disable" ] && {
		[ "$PROXY_IPV6" == "1" ] && {
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_PROXY_DROP_PORTS "udp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter drop comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_PROXY_DROP_PORTS "udp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter drop comment \"默认\""
			[ "$UDP_PROXY_MODE" != "direct/proxy" ] && nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_PROXY_DROP_PORTS "udp dport") $(get_nftset_ipv6 $UDP_PROXY_MODE) counter drop comment \"默认\""
		}
		nft "add rule inet fw4 PSW_MANGLE $(factor $UDP_PROXY_DROP_PORTS "udp dport") ip daddr $FAKE_IP counter drop comment \"默认\""
		nft "add rule inet fw4 PSW_MANGLE $(factor $UDP_PROXY_DROP_PORTS "udp dport") ip daddr @$NFTSET_SHUNTLIST counter drop comment \"默认\""
		nft "add rule inet fw4 PSW_MANGLE $(factor $UDP_PROXY_DROP_PORTS "udp dport") ip daddr @$NFTSET_BLACKLIST counter drop comment \"默认\""
		[ "$UDP_PROXY_MODE" != "direct/proxy" ] && nft "add inet fw4 PSW_MANGLE ip protocol udp $(factor $UDP_PROXY_DROP_PORTS "udp dport") $(get_nftset_ipv4 $UDP_PROXY_MODE) counter drop comment \"默认\""
	}
	if [ "$UDP_PROXY_MODE" != "disable" ]; then
		[ "$UDP_NO_REDIR_PORTS" != "disable" ] && {
			nft "add inet fw4 PSW_MANGLE ip protocol udp $(factor $UDP_NO_REDIR_PORTS "udp dport") counter return comment \"默认\""
			nft "add inet fw4 PSW_MANGLE_V6 counter meta l4proto udp $(factor $UDP_NO_REDIR_PORTS "udp dport") counter return comment \"默认\""
		}

		[ "$UDP_NODE" != "nil" -o "$TCP_UDP" = "1" ] && {
			[ "$TCP_UDP" = "1" ] && [ "$UDP_NODE" = "nil" ] && UDP_NODE=$TCP_NODE
			msg="UDP默认代理：使用UDP节点[$(config_n_get $UDP_NODE remarks)] [$(get_action_chain_name $UDP_PROXY_MODE)](TPROXY:${UDP_REDIR_PORT})代理"

			[ "$UDP_NO_REDIR_PORTS" != "disable" ] && msg="${msg}除${UDP_NO_REDIR_PORTS}外的"
			msg="${msg}所有端口"

			nft "add rule inet fw4 PSW_MANGLE ip protocol udp ip daddr $FAKE_IP counter jump PSW_RULE comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE ip protocol udp $(factor $UDP_REDIR_PORTS "udp dport") ip daddr @$NFTSET_SHUNTLIST counter jump PSW_RULE comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE ip protocol udp $(factor $UDP_REDIR_PORTS "udp dport") ip daddr @$NFTSET_BLACKLIST counter jump PSW_RULE comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE ip protocol udp $(factor $UDP_REDIR_PORTS "udp dport") $(get_nftset_ipv4 $TCP_PROXY_MODE) jump PSW_RULE comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE meta l4proto udp $(REDIRECT $UDP_REDIR_PORT TPROXY) comment \"默认\""
			nft "add rule inet fw4 PSW_MANGLE ip protocol udp counter return comment \"默认\""

			[ "$PROXY_IPV6" == "1" ] && [ "$PROXY_IPV6_UDP" == "1" ] && {
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_REDIR_PORTS "udp dport") ip6 daddr @$NFTSET_SHUNTLIST6 counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_REDIR_PORTS "udp dport") ip6 daddr @$NFTSET_BLACKLIST6 counter jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(factor $UDP_REDIR_PORTS "udp dport") $(get_nftset_ipv6 $UDP_PROXY_MODE) jump PSW_RULE comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp $(REDIRECT $UDP_REDIR_PORT TPROXY) comment \"默认\""
				nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp counter return comment \"默认\""
			}

			echolog "${msg}"
			udp_flag=1
		}
	fi
}

filter_haproxy() {
	for item in ${haproxy_items}; do
		local ip=$(get_host_ip ipv4 $(echo $item | awk -F ":" '{print $1}') 1)
		insert_nftset $NFTSET_VPSIPLIST $ip
	done
	echolog "加入负载均衡的节点到nftset[$NFTSET_VPSIPLIST]直连完成"
}

filter_vps_addr() {
	for server_host in $@; do
		local vps_ip4=$(get_host_ip "ipv4" ${server_host})
		local vps_ip6=$(get_host_ip "ipv6" ${server_host})
		[ -n "$vps_ip4" ] && insert_nftset $NFTSET_VPSIPLIST $vps_ip4
		[ -n "$vps_ip6" ] && insert_nftset $NFTSET_VPSIPLIST6 $vps_ip6
	done
}

filter_vpsip() {
	insert_nftset $NFTSET_VPSIPLIST $(uci show $CONFIG | grep ".address=" | cut -d "'" -f 2 | grep -E "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | sed -e "/^$/d" | sed -e 's/$/,/' )
	insert_nftset $NFTSET_VPSIPLIST6 $(uci show $CONFIG | grep ".address=" | cut -d "'" -f 2 | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}" | sed -e "/^$/d" | sed -e 's/$/,/' )
	echolog "加入所有节点到nftset[$NFTSET_VPSIPLIST]直连完成"
}

filter_node() {
	local proxy_node=${1}
	local stream=$(echo ${2} | tr 'A-Z' 'a-z')
	local proxy_port=${3}

	filter_rules() {
		local node=${1}
		local stream=${2}
		local _proxy=${3}
		local _port=${4}
		local _is_tproxy ipt_tmp msg msg2

		if [ -n "$node" ] && [ "$node" != "nil" ]; then
			local type=$(echo $(config_n_get $node type) | tr 'A-Z' 'a-z')
			local address=$(config_n_get $node address)
			local port=$(config_n_get $node port)
			_is_tproxy=${is_tproxy}
			[ "$stream" == "udp" ] && _is_tproxy="TPROXY"
			if [ -n "${_is_tproxy}" ]; then
				msg="TPROXY"
			else
				msg="REDIRECT"
			fi
		else
			echolog "  - 节点配置不正常，略过"
			return 0
		fi

		local ADD_INDEX=$FORCE_INDEX
		for _ipt in 4 6; do
			[ "$_ipt" == "4" ] && _ip_type=ip4 && _set_name=$NFTSET_VPSIPLIST
			[ "$_ipt" == "6" ] && _ip_type=ip6 && _set_name=$NFTSET_VPSIPLIST6
			nft "list chain inet fw4 $nft_output_chain" | grep -q "${address}:${port}"
			if [ $? -ne 0 ]; then
				unset dst_rule
				local dst_rule="jump PSW_RULE"
				msg2="按规则路由(${msg})"
				[ -n "${is_tproxy}" ] || {
					dst_rule=$(REDIRECT $_port)
					msg2="套娃使用(${msg}:${port} -> ${_port})"
				}
				[ -n "$_proxy" ] && [ "$_proxy" == "1" ] && [ -n "$_port" ] || {
					ADD_INDEX=$(RULE_LAST_INDEX "inet fw4" $nft_output_chain $_set_name $FORCE_INDEX)
					dst_rule="return"
					msg2="直连代理"
				}
				nft "insert rule inet fw4 $nft_output_chain position $ADD_INDEX comment \"${address}:${port}\" meta l4proto $stream $_ip_type daddr $address tcp dport $port $dst_rule" 2>/dev/null
				nft "insert rule inet fw4 $nft_output_chain position $ADD_INDEX comment \"${address}:${port}\" meta l4proto $stream $_ip_type daddr $address udp dport $port $dst_rule" 2>/dev/null
			else
				msg2="已配置过的节点，"
			fi
		done
		msg="[$?]$(echo ${2} | tr 'a-z' 'A-Z')${msg2}使用链${ADD_INDEX}，节点（${type}）：${address}:${port}"
		#echolog "  - ${msg}"
	}

	local proxy_protocol=$(config_n_get $proxy_node protocol)
	local proxy_type=$(echo $(config_n_get $proxy_node type nil) | tr 'A-Z' 'a-z')
	[ "$proxy_type" == "nil" ] && echolog "  - 节点配置不正常，略过！：${proxy_node}" && return 0
	if [ "$proxy_protocol" == "_balancing" ]; then
		#echolog "  - 多节点负载均衡（${proxy_type}）..."
		proxy_node=$(config_n_get $proxy_node balancing_node)
		for _node in $proxy_node; do
			filter_rules "$_node" "$stream"
		done
	elif [ "$proxy_protocol" == "_shunt" ]; then
		#echolog "  - 按请求目的地址分流（${proxy_type}）..."
		local default_node=$(config_n_get $proxy_node default_node _direct)
		local main_node=$(config_n_get $proxy_node main_node nil)
		if [ "$main_node" != "nil" ]; then
			filter_rules $main_node $stream
		else
			if [ "$default_node" != "_direct" ] && [ "$default_node" != "_blackhole" ]; then
				filter_rules $default_node $stream
			fi
		fi
:<<!
		local default_node_address=$(get_host_ip ipv4 $(config_n_get $default_node address) 1)
		local default_node_port=$(config_n_get $default_node port)

		local shunt_ids=$(uci show $CONFIG | grep "=shunt_rules" | awk -F '.' '{print $2}' | awk -F '=' '{print $1}')
		for shunt_id in $shunt_ids; do
			#local shunt_proxy=$(config_n_get $proxy_node "${shunt_id}_proxy" 0)
			local shunt_proxy=0
			local shunt_node=$(config_n_get $proxy_node "${shunt_id}" nil)
			[ "$shunt_node" != "nil" ] && {
				[ "$shunt_proxy" == 1 ] && {
					local shunt_node_address=$(get_host_ip ipv4 $(config_n_get $shunt_node address) 1)
					local shunt_node_port=$(config_n_get $shunt_node port)
					[ "$shunt_node_address" == "$default_node_address" ] && [ "$shunt_node_port" == "$default_node_port" ] && {
						shunt_proxy=0
					}
				}
				filter_rules "$(config_n_get $proxy_node $shunt_id)" "$stream" "$shunt_proxy" "$proxy_port"
			}
		done
!
	else
		#echolog "  - 普通节点（${proxy_type}）..."
		filter_rules "$proxy_node" "$stream"
	fi
}

dns_hijack() {
	nft "add rule inet fw4 dstnat ip protocol udp ip dport 53 redirect to 53"
	echolog "强制转发本机DNS端口 UDP/53 的请求[$?]"
}

add_firewall_rule() {
	echolog "开始加载防火墙规则..."
	gen_nftset $NFTSET_VPSIPLIST ipv4_addr
	gen_nftset $NFTSET_GFW ipv4_addr
	gen_nftset $NFTSET_LANIPLIST ipv4_addr $(gen_laniplist | sed -e 's/$/,/')
	gen_nftset $NFTSET_CHN ipv4_addr $(cat $RULES_PATH/chnroute | tr -s '\n' | grep -v "^#" | sed -e 's/$/,/')
	gen_nftset $NFTSET_BLACKLIST ipv4_addr $(cat $RULES_PATH/proxy_ip | tr -s '\n' | grep -v "^#" | grep -E "(\.((2(5[0-5]|[0-4][0-9]))|[0-1]?[0-9]{1,2})){3}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_WHITELIST ipv4_addr $(cat $RULES_PATH/direct_ip | tr -s '\n' | grep -v "^#" | grep -E "(\.((2(5[0-5]|[0-4][0-9]))|[0-1]?[0-9]{1,2})){3}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_BLOCKLIST ipv4_addr $(cat $RULES_PATH/block_ip | tr -s '\n' | grep -v "^#" | grep -E "(\.((2(5[0-5]|[0-4][0-9]))|[0-1]?[0-9]{1,2})){3}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_SHUNTLIST ipv4_addr

	gen_nftset $NFTSET_VPSIPLIST6 ipv6_addr
	gen_nftset $NFTSET_GFW6 ipv6_addr
	gen_nftset $NFTSET_LANIPLIST6 ipv6_addr $(gen_laniplist_6 | sed -e 's/$/,/')
	gen_nftset $NFTSET_CHN6 ipv6_addr $(cat $RULES_PATH/chnroute6 | tr -s '\n' | grep -v "^#" | sed -e 's/$/,/' )
	gen_nftset $NFTSET_BLACKLIST6 ipv6_addr $(cat $RULES_PATH/proxy_ip | tr -s '\n' | grep -v "^#" | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_WHITELIST6 ipv6_addr $(cat $RULES_PATH/direct_ip | tr -s '\n' | grep -v "^#" | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_BLOCKLIST6 ipv6_addr $(cat $RULES_PATH/block_ip | tr -s '\n' | grep -v "^#" | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}" | sed -e 's/$/,/')
	gen_nftset $NFTSET_SHUNTLIST6 ipv6_addr

	local shunt_ids=$(uci show $CONFIG | grep "=shunt_rules" | awk -F '.' '{print $2}' | awk -F '=' '{print $1}')

	for shunt_id in $shunt_ids; do
		insert_nftset $NFTSET_SHUNTLIST $(config_n_get $shunt_id ip_list | tr -s "\r\n" "\n" | sed -e "/^$/d" | grep -E "(\.((2(5[0-5]|[0-4][0-9]))|[0-1]?[0-9]{1,2})){3}")
	done

	for shunt_id in $shunt_ids; do
		insert_nftset $NFTSET_SHUNTLIST6 $(config_n_get $shunt_id ip_list | tr -s "\r\n" "\n" | sed -e "/^$/d" | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}")
	done

	# 忽略特殊IP段
	local lan_ifname lan_ip
	lan_ifname=$(uci -q -p /tmp/state get network.lan.ifname)
	[ -n "$lan_ifname" ] && {
		lan_ip=$(ip address show $lan_ifname | grep -w "inet" | awk '{print $2}')
		lan_ip6=$(ip address show $lan_ifname | grep -w "inet6" | awk '{print $2}')
		#echolog "本机IPv4网段互访直连：${lan_ip}"
		#echolog "本机IPv6网段互访直连：${lan_ip6}"

		[ -n "$lan_ip" ] && insert_nftset $NFTSET_LANIPLIST $(echo $lan_ip | sed -e "s/ /\n/g" | sed -e 's/$/,/' )
		[ -n "$lan_ip6" ] && insert_nftset $NFTSET_LANIPLIST6 $(echo $lan_ip6 | sed -e "s/ /\n/g" | sed -e 's/$/,/' )
	}

	local ISP_DNS=$(cat $RESOLVFILE 2>/dev/null | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+" | sort -u | grep -v 0.0.0.0 | grep -v 127.0.0.1)
	[ -n "$ISP_DNS" ] && {
		#echolog "处理 ISP DNS 例外..."
		for ispip in $ISP_DNS; do
			insert_nftset $NFTSET_WHITELIST $ispip >/dev/null 2>&1 &
			#echolog "  - 追加到白名单：${ispip}"
		done
	}

	local ISP_DNS6=$(cat $RESOLVFILE 2>/dev/null | grep -E "([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}" | awk -F % '{print $1}' | awk -F " " '{print $2}'| sort -u | grep -v -Fx ::1 | grep -v -Fx ::)
	[ -n "$ISP_DNS" ] && {
		#echolog "处理 ISP IPv6 DNS 例外..."
		for ispip6 in $ISP_DNS; do
			insert_nftset $NFTSET_WHITELIST6 $ispip6 >/dev/null 2>&1 &
			#echolog "  - 追加到白名单：${ispip6}"
		done
	}

	#  过滤所有节点IP
	filter_vpsip > /dev/null 2>&1 &
	filter_haproxy > /dev/null 2>&1 &
	# Prevent some conditions
	filter_vps_addr $(config_n_get $TCP_NODE address) $(config_n_get $UDP_NODE address) > /dev/null 2>&1 &

	accept_icmp=$(config_t_get global_forwarding accept_icmp 0)
	accept_icmpv6=$(config_t_get global_forwarding accept_icmpv6 0)

	local tcp_proxy_way=$(config_t_get global_forwarding tcp_proxy_way redirect)
	if [ "$tcp_proxy_way" = "redirect" ]; then
		unset is_tproxy
		nft_prerouting_chain="PSW"
		nft_output_chain="PSW_OUTPUT"
	elif [ "$tcp_proxy_way" = "tproxy" ]; then
		is_tproxy="TPROXY"
		nft_prerouting_chain="PSW_MANGLE"
		nft_output_chain="PSW_OUTPUT_MANGLE"
	fi

	nft "add chain inet fw4 nat_output { type nat hook output priority -1; }"

	nft "add chain inet fw4 PSW_DIVERT"
	nft "flush chain inet fw4 PSW_DIVERT"
	nft "add rule inet fw4 PSW_DIVERT meta l4proto tcp socket transparent 1 mark set 1 counter accept"

	nft "add chain inet fw4 PSW_REDIRECT"
	nft "flush chain inet fw4 PSW_REDIRECT"
	nft "add rule inet fw4 dstnat jump PSW_REDIRECT"

	# for ipv4 ipv6 tproxy mark
	nft "add chain inet fw4 PSW_RULE"
	nft "flush chain inet fw4 PSW_RULE"
	nft "add rule inet fw4 PSW_RULE meta mark set ct mark counter"
	nft "add rule inet fw4 PSW_RULE meta mark 1 counter return"
	nft "add rule inet fw4 PSW_RULE tcp flags &(fin|syn|rst|ack) == syn meta mark set mark and 0x0 xor 0x1 counter"
	nft "add rule inet fw4 PSW_RULE meta l4proto udp ct state new meta mark set mark and 0x0 xor 0x1 counter"
	nft "add rule inet fw4 PSW_RULE ct mark set mark counter"

	#ipv4 tproxy mode and udp
	nft "add chain inet fw4 PSW_MANGLE"
	nft "flush chain inet fw4 PSW_MANGLE"
	nft "add rule inet fw4 PSW_MANGLE ip daddr @$NFTSET_LANIPLIST counter return"
	nft "add rule inet fw4 PSW_MANGLE ip daddr @$NFTSET_VPSIPLIST counter return"
	nft "add rule inet fw4 PSW_MANGLE ip daddr @$NFTSET_WHITELIST counter return"
	nft "add rule inet fw4 PSW_MANGLE ip daddr @$NFTSET_BLOCKLIST counter drop"

	nft "add chain inet fw4 PSW_OUTPUT_MANGLE"
	nft "flush chain inet fw4 PSW_OUTPUT_MANGLE"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip daddr @$NFTSET_LANIPLIST counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip daddr @$NFTSET_VPSIPLIST counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip daddr @$NFTSET_WHITELIST counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE meta mark 0xff counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip daddr @$NFTSET_BLOCKLIST counter drop"

	# jump chains
	nft "add rule inet fw4 mangle_prerouting meta nfproto {ipv4} counter jump PSW_MANGLE"
	insert_rule_before "inet fw4" "mangle_prerouting" "PSW_MANGLE" "counter jump PSW_DIVERT"

	#ipv4 tcp redirect mode
	[ -z "${is_tproxy}" ] && {
		nft "add chain inet fw4 PSW"
		nft "flush chain inet fw4 PSW"
		nft "add rule inet fw4 PSW ip daddr @$NFTSET_LANIPLIST counter return"
		nft "add rule inet fw4 PSW ip daddr @$NFTSET_VPSIPLIST counter return"
		nft "add rule inet fw4 PSW ip daddr @$NFTSET_WHITELIST counter return"
		nft "add rule inet fw4 PSW ip daddr @$NFTSET_BLOCKLIST counter drop"
		nft "add rule inet fw4 dstnat ip protocol tcp counter jump PSW"

		nft "add chain inet fw4 PSW_OUTPUT"
		nft "flush chain inet fw4 PSW_OUTPUT"
		nft "add rule inet fw4 PSW_OUTPUT ip daddr @$NFTSET_LANIPLIST counter return"
		nft "add rule inet fw4 PSW_OUTPUT ip daddr @$NFTSET_VPSIPLIST counter return"
		nft "add rule inet fw4 PSW_OUTPUT ip daddr @$NFTSET_WHITELIST counter return"
		nft "add rule inet fw4 PSW_OUTPUT meta mark 0xff counter return"
		nft "add rule inet fw4 PSW_OUTPUT ip daddr @$NFTSET_BLOCKLIST counter drop"
	}

	#icmp ipv6-icmp redirect
	if [ "$accept_icmp" = "1" ]; then
		nft "add chain inet fw4 PSW_ICMP_REDIRECT"
		nft "flush chain inet fw4 PSW_ICMP_REDIRECT"
		nft "add rule inet fw4 PSW_ICMP_REDIRECT ip daddr @$NFTSET_LANIPLIST counter return"
		nft "add rule inet fw4 PSW_ICMP_REDIRECT ip daddr @$NFTSET_VPSIPLIST counter return"
		nft "add rule inet fw4 PSW_ICMP_REDIRECT ip daddr @$NFTSET_WHITELIST counter return"

		[ "$accept_icmpv6" = "1" ] && {
			nft "add rule inet fw4 PSW_ICMP_REDIRECT ip6 daddr @$NFTSET_LANIPLIST6 counter return"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT ip6 daddr @$NFTSET_VPSIPLIST6 counter return"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT ip6 daddr @$NFTSET_WHITELIST6 counter return"
		}

		nft "add rule inet fw4 dstnat meta l4proto {icmp,icmpv6} counter jump PSW_ICMP_REDIRECT"
		nft "add rule inet fw4 nat_output meta l4proto {icmp,icmpv6} counter jump PSW_ICMP_REDIRECT"
	fi

	WAN_IP=$(get_wan_ip)
	if [ -n "${WAN_IP}" ]; then
		[ -n "${is_tproxy}" ] && nft "add rule inet fw4 PSW_MANGLE ip daddr ${WAN_IP} counter return comment \"WAN_IP_RETURN\"" || nft "add rule inet fw4 PSW ip daddr ${WAN_IP} counter return comment \"WAN_IP_RETURN\""
	fi
	unset WAN_IP

	ip rule add fwmark 1 lookup 100
	ip route add local 0.0.0.0/0 dev lo table 100

	#ipv6 tproxy mode and udp
	nft "add chain inet fw4 PSW_MANGLE_V6"
	nft "flush chain inet fw4 PSW_MANGLE_V6"
	nft "add rule inet fw4 PSW_MANGLE_V6 ip6 daddr @$NFTSET_LANIPLIST6 counter return"
	nft "add rule inet fw4 PSW_MANGLE_V6 ip6 daddr @$NFTSET_VPSIPLIST6 counter return"
	nft "add rule inet fw4 PSW_MANGLE_V6 ip6 daddr @$NFTSET_WHITELIST6 counter return"
	nft "add rule inet fw4 PSW_MANGLE_V6 ip6 daddr @$NFTSET_BLOCKLIST6 counter drop"

	nft "add chain inet fw4 PSW_OUTPUT_MANGLE_V6"
	nft "flush chain inet fw4 PSW_OUTPUT_MANGLE_V6"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 ip6 daddr @$NFTSET_LANIPLIST6 counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 ip6 daddr @$NFTSET_VPSIPLIST6 counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 ip6 daddr @$NFTSET_WHITELIST6 counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta mark 0xff counter return"
	nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 ip6 daddr @$NFTSET_BLOCKLIST6 counter drop"

	# jump chains
	[ "$PROXY_IPV6" == "1" ] && {
		nft "add rule inet fw4 mangle_prerouting meta nfproto {ipv6} counter jump PSW_MANGLE_V6"
		nft "add rule inet fw4 mangle_output meta nfproto {ipv6} counter jump PSW_OUTPUT_MANGLE_V6 comment \"mangle-OUTPUT-PSW\""

		WAN6_IP=$(get_wan6_ip)
		[ -n "${WAN6_IP}" ] && nft "add rule inet fw4 PSW_MANGLE_V6 ip6 daddr ${WAN6_IP} counter return comment \"WAN6_IP_RETURN\""
		unset WAN6_IP

		ip -6 rule add fwmark 1 table 100
		ip -6 route add local ::/0 dev lo table 100
	}

	# 加载路由器自身代理 TCP
	if [ "$TCP_NODE" != "nil" ]; then
		echolog "加载路由器自身 TCP 代理..."

		[ "$accept_icmp" = "1" ] && {
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmp ip daddr 198.18.0.0/16 counter redirect"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmp ip daddr @$NFTSET_SHUNTLIST counter redirect"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmp ip daddr @$NFTSET_BLACKLIST counter redirect"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmp $(get_nftset_ipv4 $LOCALHOST_TCP_PROXY_MODE) counter redirect"
		}

		[ "$accept_icmpv6" = "1" ] && {
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ip6 daddr @$NFTSET_SHUNTLIST6 counter redirect"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 ip6 daddr @$NFTSET_BLACKLIST6 counter redirect"
			nft "add rule inet fw4 PSW_ICMP_REDIRECT meta l4proto icmpv6 $(get_nftset_ipv6 $LOCALHOST_TCP_PROXY_MODE) counter redirect"
		}

		[ -n "${is_tproxy}" ] && {
			echolog "  - 启用 TPROXY 模式"
		}

		_proxy_tcp_access() {
			[ -n "${2}" ] || return 0
			nft "get element inet fw4 $NFTSET_LANIPLIST {${2}}" &>/dev/null
			[ $? -eq 0 ] && {
				echolog "  - 上游 DNS 服务器 ${2} 已在直接访问的列表中，不强制向 TCP 代理转发对该服务器 TCP/${3} 端口的访问"
				return 0
			}
			if [ -z "${is_tproxy}" ]; then
				nft add rule inet fw4 PSW_OUTPUT ip protocol tcp ip daddr ${2} tcp dport ${3} $(REDIRECT $TCP_REDIR_PORT)
			else
				nft add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol tcp ip daddr ${2} tcp dport ${3} counter jump PSW_RULE
				nft add rule inet fw4 PSW_MANGLE iif lo tcp dport ${3} ip daddr ${2} $(REDIRECT $TCP_REDIR_PORT TPROXY4) comment \"本机\"
			fi
			echolog "  - [$?]将上游 DNS 服务器 ${2}:${3} 加入到路由器自身代理的 TCP 转发链"
		}

		[ "$use_tcp_node_resolve_dns" == 1 ] && hosts_foreach REMOTE_DNS _proxy_tcp_access 53
		[ "$TCP_NO_REDIR_PORTS" != "disable" ] && {
			nft "add rule inet fw4 $nft_output_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") counter return"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") counter return"
			echolog "  - [$?]不代理TCP 端口：$TCP_NO_REDIR_PORTS"
		}
		[ "$TCP_PROXY_DROP_PORTS" != "disable" ] && {
			nft add rule inet fw4 $nft_output_chain ip protocol tcp ip daddr $FAKE_IP $(factor $TCP_PROXY_DROP_PORTS "tcp dport") counter drop
			nft add rule inet fw4 $nft_output_chain ip protocol tcp ip daddr @$NFTSET_SHUNTLIST $(factor $TCP_PROXY_DROP_PORTS "tcp dport") counter drop
			nft add rule inet fw4 $nft_output_chain ip protocol tcp ip daddr @$NFTSET_BLACKLIST $(factor $TCP_PROXY_DROP_PORTS "tcp dport") counter drop
			[ "$LOCALHOST_TCP_PROXY_MODE" != "direct/proxy" ] && nft add rule inet fw4 $nft_output_chain ip protocol tcp $(factor $TCP_PROXY_DROP_PORTS "tcp dport") $(get_nftset_ipv4 $LOCALHOST_TCP_PROXY_MODE) counter drop
			echolog "  - [$?]，屏蔽代理TCP 端口：$TCP_PROXY_DROP_PORTS"
		}

		if [ -z "${is_tproxy}" ]; then
			nft "add rule inet fw4 PSW_OUTPUT ip protocol tcp ip daddr $FAKE_IP $(REDIRECT $TCP_REDIR_PORT)"
			nft "add rule inet fw4 PSW_OUTPUT ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_SHUNTLIST counter $(REDIRECT $TCP_REDIR_PORT)"
			nft "add rule inet fw4 PSW_OUTPUT ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") ip daddr @$NFTSET_BLACKLIST counter $(REDIRECT $TCP_REDIR_PORT)"
			nft "add rule inet fw4 PSW_OUTPUT ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_redirect_ipv4 $LOCALHOST_TCP_PROXY_MODE $TCP_REDIR_PORT)"
			nft "add rule inet fw4 nat_output ip protocol tcp counter jump PSW_OUTPUT"
		else
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol tcp ip daddr $FAKE_IP counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol tcp ip daddr @$NFTSET_SHUNTLIST $(factor $TCP_REDIR_PORTS "tcp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol tcp ip daddr @$NFTSET_BLACKLIST $(factor $TCP_REDIR_PORTS "tcp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_nftset_ipv4 $LOCALHOST_TCP_PROXY_MODE) jump PSW_RULE"
			nft "add rule inet fw4 PSW_MANGLE meta l4proto tcp iif lo $(REDIRECT $TCP_REDIR_PORT TPROXY) comment \"本机\""
			nft "add rule inet fw4 PSW_MANGLE ip protocol tcp iif lo counter return comment \"本机\""
			nft "add rule inet fw4 mangle_output meta nfproto {ipv4} meta l4proto tcp counter jump PSW_OUTPUT_MANGLE comment \"mangle-OUTPUT-PSW\""
		fi

		[ "$PROXY_IPV6" == "1" ] && {
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto tcp ip6 daddr @$NFTSET_SHUNTLIST6 $(factor $TCP_REDIR_PORTS "tcp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto tcp ip6 daddr @$NFTSET_BLACKLIST6 $(factor $TCP_REDIR_PORTS "tcp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto tcp $(factor $TCP_REDIR_PORTS "tcp dport") $(get_nftset_ipv6 $LOCALHOST_TCP_PROXY_MODE) jump PSW_RULE"
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp iif lo $(REDIRECT $TCP_REDIR_PORT TPROXY) comment \"本机\""
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto tcp iif lo counter return comment \"本机\""
		}
	fi

	# 过滤Socks节点
	[ "$SOCKS_ENABLED" = "1" ] && {
		local ids=$(uci show $CONFIG | grep "=socks" | awk -F '.' '{print $2}' | awk -F '=' '{print $1}')
		#echolog "分析 Socks 服务所使用节点..."
		local id enabled node port msg num
		for id in $ids; do
			enabled=$(config_n_get $id enabled 0)
			[ "$enabled" == "1" ] || continue
			node=$(config_n_get $id node nil)
			port=$(config_n_get $id port 0)
			msg="Socks 服务 [:${port}]"
			if [ "$node" == "nil" ] || [ "$port" == "0" ]; then
				msg="${msg} 未配置完全，略过"
			else
				filter_node $node TCP > /dev/null 2>&1 &
				filter_node $node UDP > /dev/null 2>&1 &
			fi
			#echolog "  - ${msg}"
		done
	}

	# 处理轮换节点的分流或套娃
	local node port stream switch
	for stream in TCP UDP; do
		eval "node=\${${stream}_NODE}"
		eval "port=\${${stream}_REDIR_PORT}"
		#echolog "分析 $stream 代理自动切换..."
		[ "$stream" == "UDP" ] && [ "$node" == "tcp" ] && {
			eval "node=\${TCP_NODE}"
			eval "port=\${TCP_REDIR_PORT}"
		}
		if [ "$node" != "nil" ]; then
			filter_node $node $stream $port > /dev/null 2>&1 &
		fi
	done

	# 加载路由器自身代理 UDP
	[ "$UDP_PROXY_DROP_PORTS" != "disable" ] && {
		nft add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr $FAKE_IP $(factor $UDP_PROXY_DROP_PORTS "udp dport") counter drop
		nft add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr @$NFTSET_SHUNTLIST $(factor $UDP_PROXY_DROP_PORTS "udp dport") counter drop
		nft add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr @$NFTSET_BLACKLIST $(factor $UDP_PROXY_DROP_PORTS "udp dport") counter drop
		[ "$LOCALHOST_UDP_PROXY_MODE" != "direct/proxy" ] && nft add rule inet fw4 PSW_OUTPUT_MANGLE counter ip protocol udp $(factor $UDP_PROXY_DROP_PORTS "udp dport") $(get_nftset_ipv4 $LOCALHOST_UDP_PROXY_MODE) counter drop
		echolog "  - [$?]，屏蔽代理UDP 端口：$UDP_PROXY_DROP_PORTS"
	}
	if [ "$UDP_NODE" != "nil" -o "$TCP_UDP" = "1" ]; then
		echolog "加载路由器自身 UDP 代理..."
		_proxy_udp_access() {
			[ -n "${2}" ] || return 0
			nft "get element inet fw4 $NFTSET_LANIPLIST {${2}}" &>/dev/null
			[ $? == 0 ] && {
				echolog "  - 上游 DNS 服务器 ${2} 已在直接访问的列表中，不强制向 UDP 代理转发对该服务器 UDP/${3} 端口的访问"
				return 0
			}
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr ${2} udp dport ${3} counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_MANGLE iif lo meta l4proto udp ip daddr ${2} $(REDIRECT $UDP_REDIR_PORT TPROXY4) comment \"本机\""
			echolog "  - [$?]将上游 DNS 服务器 ${2}:${3} 加入到路由器自身代理的 UDP 转发链"
		}
		[ "$use_udp_node_resolve_dns" == 1 ] && hosts_foreach REMOTE_DNS _proxy_udp_access 53
		[ "$UDP_NO_REDIR_PORTS" != "disable" ] && {
			nft add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp $(factor $UDP_NO_REDIR_PORTS "udp dport") counter return
			nft add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto udp $(factor $UDP_NO_REDIR_PORTS "udp dport") counter return
			echolog "  - [$?]不代理 UDP 端口：$UDP_NO_REDIR_PORTS"
		}

		nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr $FAKE_IP counter jump PSW_RULE"
		nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr @$NFTSET_SHUNTLIST $(factor $UDP_REDIR_PORTS "udp dport") counter jump PSW_RULE"
		nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp ip daddr @$NFTSET_BLACKLIST $(factor $UDP_REDIR_PORTS "udp dport") counter jump PSW_RULE"
		nft "add rule inet fw4 PSW_OUTPUT_MANGLE ip protocol udp $(factor $UDP_REDIR_PORTS "udp dport") $(get_nftset_ipv4 $LOCALHOST_UDP_PROXY_MODE) jump PSW_RULE"
		nft "add rule inet fw4 PSW_MANGLE meta l4proto udp iif lo $(REDIRECT $UDP_REDIR_PORT TPROXY) comment \"本机\""
		nft "add rule inet fw4 PSW_MANGLE ip protocol udp iif lo counter return comment \"本机\""
		nft "add rule inet fw4 mangle_output meta nfproto {ipv4} meta l4proto udp counter jump PSW_OUTPUT_MANGLE comment \"mangle-OUTPUT-PSW\""

		[ "$PROXY_IPV6" == "1" ] && [ "$PROXY_IPV6_UDP" == "1" ] && {
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto udp ip6 daddr @$NFTSET_SHUNTLIST6 $(factor $UDP_REDIR_PORTS "udp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto udp ip6 daddr @$NFTSET_BLACKLIST6 $(factor $UDP_REDIR_PORTS "udp dport") counter jump PSW_RULE"
			nft "add rule inet fw4 PSW_OUTPUT_MANGLE_V6 meta l4proto udp $(factor $UDP_REDIR_PORTS "udp dport") $(get_nftset_ipv6 $LOCALHOST_PROXY_MODE) jump PSW_RULE"
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp iif lo $(REDIRECT $UDP_REDIR_PORT TPROXY) comment \"本机\""
			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp iif lo counter return comment \"本机\""
		}
	fi

	nft "add rule inet fw4 mangle_output oif lo counter return comment \"mangle-OUTPUT-PSW\""
	nft "add rule inet fw4 mangle_output meta mark 1 counter return comment \"mangle-OUTPUT-PSW\""

	nft "add rule inet fw4 PSW_MANGLE ip protocol udp udp dport 53 counter return"
	nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp udp dport 53 counter return"
	#  加载ACLS
	load_acl

	# dns_hijack "force"

	[ -n "${is_tproxy}" -o -n "${udp_flag}" ] && {
		bridge_nf_ipt=$(sysctl -e -n net.bridge.bridge-nf-call-iptables)
		echo -n $bridge_nf_ipt > $TMP_PATH/bridge_nf_ipt
		sysctl -w net.bridge.bridge-nf-call-iptables=0 >/dev/null 2>&1
		[ "$PROXY_IPV6" == "1" ] && {
			bridge_nf_ip6t=$(sysctl -e -n net.bridge.bridge-nf-call-ip6tables)
			echo -n $bridge_nf_ip6t > $TMP_PATH/bridge_nf_ip6t
			sysctl -w net.bridge.bridge-nf-call-ip6tables=0 >/dev/null 2>&1
		}
	}
	echolog "防火墙规则加载完成！"
}

del_firewall_rule() {
	for nft in "input" "forward" "dstnat" "srcnat" "nat_output" "mangle_prerouting" "mangle_output"; do
        local handles=$(nft -a list chain inet fw4 ${nft} | grep -E "PSW" | awk -F '# handle ' '{print$2}')
		for handle in $handles; do
			nft delete rule inet fw4 ${nft} handle ${handle} 2>/dev/null
		done
	done

	for handle in $(nft -a list chains | grep -E "chain PSW" | grep -v "PSW_RULE" | awk -F '# handle ' '{print$2}'); do
		nft delete chain inet fw4 handle ${handle} 2>/dev/null
	done

	# Need to be removed at the end, otherwise it will show "Resource busy"
	nft delete chain inet fw4 handle $(nft -a list chains | grep -E "PSW_RULE" | awk -F '# handle ' '{print$2}') 2>/dev/null

	ip rule del fwmark 1 lookup 100 2>/dev/null
	ip route del local 0.0.0.0/0 dev lo table 100 2>/dev/null

	ip -6 rule del fwmark 1 table 100 2>/dev/null
	ip -6 route del local ::/0 dev lo table 100 2>/dev/null

	destroy_nftset $NFTSET_LANIPLIST
	destroy_nftset $NFTSET_VPSIPLIST
	#destroy_nftset $NFTSET_SHUNTLIST
	#destroy_nftset $NFTSET_GFW
	#destroy_nftset $NFTSET_CHN
	#destroy_nftset $NFTSET_BLACKLIST
	destroy_nftset $NFTSET_BLOCKLIST
	destroy_nftset $NFTSET_WHITELIST

	destroy_nftset $NFTSET_LANIPLIST6
	destroy_nftset $NFTSET_VPSIPLIST6
	#destroy_nftset $NFTSET_SHUNTLIST6
	#destroy_nftset $NFTSET_GFW6
	#destroy_nftset $NFTSET_CHN6
	#destroy_nftset $NFTSET_BLACKLIST6
	destroy_nftset $NFTSET_BLOCKLIST6
	destroy_nftset $NFTSET_WHITELIST6

	echolog "删除相关防火墙规则完成。"
}

flush_nftset() {
	del_firewall_rule
	destroy_nftset $NFTSET_VPSIPLIST $NFTSET_SHUNTLIST $NFTSET_GFW $NFTSET_CHN $NFTSET_BLACKLIST $NFTSET_BLOCKLIST $NFTSET_WHITELIST $NFTSET_LANIPLIST
	destroy_nftset $NFTSET_VPSIPLIST6 $NFTSET_SHUNTLIST6 $NFTSET_GFW6 $NFTSET_CHN6 $NFTSET_BLACKLIST6 $NFTSET_BLOCKLIST6 $NFTSET_WHITELIST6 $NFTSET_LANIPLIST6
	rm -rf /tmp/etc/passwall_tmp/dnsmasq*
	/etc/init.d/passwall reload
}

flush_include() {
	echo '#!/bin/sh' >$FWI
}

gen_include() {
	local nft_chain_file=$TMP_PATH/PSW.nft
	echo "" > $nft_chain_file
	for chain in $(nft -a list chains |grep -E "chain PSW" |awk -F ' ' '{print$2}'); do
		nft list chain inet fw4 ${chain} >> $nft_chain_file
	done

	local __nft=" "
	[ -z "${nft}" ] && {
		__nft=$(cat <<- EOF
			nft -f ${nft_chain_file}

			nft "add rule inet fw4 dstnat jump PSW_REDIRECT"

			[ "$accept_icmp" == "1" ] && {
				nft "add rule inet fw4 dstnat meta l4proto {icmp,icmpv6} counter jump PSW_ICMP_REDIRECT"
				nft "add rule inet fw4 nat_output meta l4proto {icmp,icmpv6} counter jump PSW_ICMP_REDIRECT"
			}

			[ -z "${is_tproxy}" ] && {
				nft "add rule inet fw4 dstnat ip protocol tcp counter jump PSW"
				nft "add rule inet fw4 nat_output ip protocol tcp counter jump PSW_OUTPUT"
			}

			[ -n "${is_tproxy}" ] && {
				nft "add rule inet fw4 mangle_prerouting meta nfproto {ipv4} counter jump PSW_MANGLE"
				nft "add rule inet fw4 mangle_output meta nfproto {ipv4} meta l4proto tcp counter jump PSW_OUTPUT_MANGLE comment \"mangle-OUTPUT-PSW\""
			}
			\$(${MY_PATH} insert_rule_before "inet fw4" "mangle_prerouting" "PSW_MANGLE" "counter jump PSW_DIVERT")

			[ "$UDP_NODE" != "nil" -o "$TCP_UDP" = "1" ] && nft "add rule inet fw4 mangle_output meta nfproto {ipv4} meta l4proto udp counter jump PSW_OUTPUT_MANGLE comment \"mangle-OUTPUT-PSW\""

			[ "$PROXY_IPV6" == "1" ] && {
				nft "add rule inet fw4 mangle_prerouting meta nfproto {ipv6} counter jump PSW_MANGLE_V6"
				nft "add rule inet fw4 mangle_output meta nfproto {ipv6} counter jump PSW_OUTPUT_MANGLE_V6 comment \"mangle-OUTPUT-PSW\""
			}

			nft "add rule inet fw4 mangle_output oif lo counter return comment \"mangle-OUTPUT-PSW\""
			nft "add rule inet fw4 mangle_output meta mark 1 counter return comment \"mangle-OUTPUT-PSW\""
		EOF
		)
	}
	cat <<-EOF >> $FWI
	${__nft}
	EOF
	return 0
}

start() {
	add_firewall_rule
	gen_include
}

stop() {
	del_firewall_rule
	flush_include
}

arg1=$1
shift
case $arg1 in
RULE_LAST_INDEX)
	RULE_LAST_INDEX "$@"
	;;
insert_rule_before)
	insert_rule_before "$@"
	;;
insert_rule_after)
	insert_rule_after "$@"
	;;
flush_nftset)
	flush_nftset
	;;
get_wan_ip)
	get_wan_ip
	;;
get_wan6_ip)
	get_wan6_ip
	;;
stop)
	stop
	;;
start)
	start
	;;
*) ;;
esac
