[Feature] 关于vpn进入内网后走crash的办法 about shellclash HOT 5 OPEN

 #tcp&udp分别进代理链
    proxy_set() {
        if [ "$3" = 'PREROUTING' ] && [ "$macfilter_type" = "白名单" ] && [ -s "$CRASHDIR"/configs/mac ]; then
            for mac in $(cat "$CRASHDIR"/configs/mac); do
                $1 -t $2 -A $4 -p $5 -m mac --mac-source $mac -j $JUMP
            done
        else
            for ip in $HOST_IP; do #仅限指定网段流量
                $1 -t $2 -A $4 -p $5 -s $ip -j $JUMP
                echo $1 -t $2 -A $4 -p $5 -s $ip -j $JUMP
            done
        fi
        #将所在链指定流量指向shellcrash表
        $1 -t $2 -I $3 -p $5 $ports -j $4
        [ "$dns_mod" != "redir_host" ] && [ "$common_ports" = "已开启" ] && [ "$1" = iptables ] && $1 -t $2 -I $3 -p $5 -d 198.18.0.0/16 -j $4
    }
    [ "$5" = "tcp" -o "$5" = "all" ] && proxy_set $1 $2 $3 $4 tcp
    [ "$5" = "udp" -o "$5" = "all" ] && proxy_set $1 $2 $3 $4 udp

 if [ "$3" = 'PREROUTING' ] && [ "$macfilter_type" = "白名单" ] && [ -s "$CRASHDIR"/configs/mac ]; then

#if [ "$replace_default_host_ipv4" == "未禁用" ]; then
    if [ "$replace_default_host_ipv4" == "已启用" ]; then
        host_ipv4="$cust_host_ipv4"
    else
        host_ipv4="$host_ipv4$cust_host_ipv4"
    fi

--- ori.sh
+++ start.sh
@@ -194,7 +194,7 @@
 		sleep 1 && i=$((i + 1))
 	done
 	#添加自定义ipv4局域网网段
-	if [ "$replace_default_host_ipv4" == "未禁用" ]; then
+	if [ "$replace_default_host_ipv4" == "已启用" ]; then
 		host_ipv4="$cust_host_ipv4"
 	else
 		host_ipv4="$host_ipv4$cust_host_ipv4"
@@ -930,7 +930,7 @@
 			for mac in $(cat "$CRASHDIR"/configs/mac); do
 				$1 -t $2 -A $4 -p $5 -m mac --mac-source $mac -j $JUMP
 			done
-		else
+		#else
 			for ip in $HOST_IP; do #仅限指定网段流量
 				$1 -t $2 -A $4 -p $5 -s $ip -j $JUMP
 			done
@@ -972,7 +972,7 @@
 			$1 -t nat -A $3 -p tcp -m mac --mac-source $mac -j REDIRECT --to-ports $dns_port
 			$1 -t nat -A $3 -p udp -m mac --mac-source $mac -j REDIRECT --to-ports $dns_port
 		done
-	else
+	#else
 		for ip in $HOST_IP; do #仅限指定网段流量
 			$1 -t nat -A $3 -p tcp -s $ip -j REDIRECT --to-ports $dns_port
 			$1 -t nat -A $3 -p udp -s $ip -j REDIRECT --to-ports $dns_port