#!/bin/sh /etc/rc.common
# Copyright (c) 2019 vernesong

START=99
STOP=15

LOGTIME=$(date "+%Y-%m-%d %H:%M:%S")
CLASH="/etc/openclash/clash"
CLASH_CONFIG="/etc/openclash"
CRON_FILE="/etc/crontabs/root"
CONFIG_FILE=$(uci get openclash.config.config_path 2>/dev/null)
LOG_FILE="/tmp/openclash.log"
START_LOG="/tmp/openclash_start.log"
BACKUP_FILE="/etc/openclash/backup/$(uci get openclash.config.config_path 2>/dev/null |awk -F '/' '{print $5}' 2>/dev/null)"
START_BACKUP="/tmp/config.sbak"
CHANGE_FILE="/tmp/yaml_change.yaml"
SCRIPT_FILE="/tmp/yaml_script.yaml"
RULE_PROVIDER_FILE="/tmp/yaml_rule_provider.yaml"
RULE_FILE="/tmp/yaml_rules.yaml"
DNS_FILE="/tmp/yaml_dns.yaml"
PROXY_FILE="/tmp/yaml_proxy.yaml"
PROXY_PROVIDER_FILE="/tmp/yaml_proxy_provider.yaml"
GROUP_FILE="/tmp/yaml_group.yaml"
GAME_RULE_FILE="/tmp/yaml_game_rule_group.yaml"
HOSTS_FILE="/etc/openclash/custom/openclash_custom_hosts.list"
PROXY_FWMARK="0x162"
PROXY_ROUTE_TABLE="0x162"

add_cron()
{
  [ -z "$(grep "openclash.sh" "$CRON_FILE" 2>/dev/null)" ] && {
     [ "$(uci get openclash.config.auto_update 2>/dev/null)" -eq 1 ] && [ "$(uci get openclash.config.config_auto_update_mode 2>/dev/null)" -ne 1 ] && echo "0 $(uci get openclash.config.auto_update_time 2>/dev/null) * * $(uci get openclash.config.config_update_week_time 2>/dev/null) /usr/share/openclash/openclash.sh" >> $CRON_FILE
  }
  [ -z "$(grep "openclash_rule.sh" "$CRON_FILE" 2>/dev/null)" ] && {
  [ "$(uci get openclash.config.other_rule_auto_update 2>/dev/null)" -eq 1 ] && echo "0 $(uci get openclash.config.other_rule_update_day_time 2>/dev/null) * * $(uci get openclash.config.other_rule_update_week_time 2>/dev/null) /usr/share/openclash/openclash_rule.sh" >> $CRON_FILE
  }
  [ -z "$(grep "openclash_ipdb.sh" "$CRON_FILE" 2>/dev/null)" ] && {
  [ "$(uci get openclash.config.geo_auto_update 2>/dev/null)" -eq 1 ] && echo "0 $(uci get openclash.config.geo_update_day_time 2>/dev/null) * * $(uci get openclash.config.geo_update_week_time 2>/dev/null) /usr/share/openclash/openclash_ipdb.sh" >> $CRON_FILE
  }
  crontab $CRON_FILE
  nohup /usr/share/openclash/openclash_watchdog.sh &
}

del_cron()
{
   sed -i '/openclash.sh/d' $CRON_FILE 2>/dev/null
   sed -i '/openclash_rule.sh/d' $CRON_FILE 2>/dev/null
   sed -i '/openclash_ipdb.sh/d' $CRON_FILE 2>/dev/null
   /etc/init.d/cron restart
}

change_dns() {
   if [ "$1" -ne "0" ]; then
      uci del dhcp.@dnsmasq[-1].server >/dev/null 2>&1
      uci add_list dhcp.@dnsmasq[0].server=127.0.0.1#"$dns_port"
      uci delete dhcp.@dnsmasq[0].resolvfile
      uci set dhcp.@dnsmasq[0].noresolv=1
      uci set openclash.config.redirect_dns=1
   else
      uci delete openclash.config.redirect_dns
   fi
   if [ "$2" -eq "1" ]; then
      uci set dhcp.@dnsmasq[0].cachesize=0
      uci set openclash.config.masq_cache=1
   else
      uci delete openclash.config.masq_cache
   fi
   uci commit dhcp
   uci commit openclash
}

revert_dns() {
   uci del_list dhcp.@dnsmasq[0].server=127.0.0.1#"$3" >/dev/null 2>&1
   [ "$1" = "1" ] && {
   	  if [ -s "/tmp/resolv.conf.d/resolv.conf.auto" ]; then
         uci set dhcp.@dnsmasq[0].resolvfile=/tmp/resolv.conf.d/resolv.conf.auto >/dev/null 2>&1
      elif [ -s "/tmp/resolv.conf.auto" ]; then
         uci set dhcp.@dnsmasq[0].resolvfile=/tmp/resolv.conf.auto >/dev/null 2>&1
      fi
      uci set dhcp.@dnsmasq[0].noresolv=0 >/dev/null 2>&1
   }
   [ "$2" = "1" ] && {
      uci delete dhcp.@dnsmasq[0].cachesize >/dev/null 2>&1
   }
   uci commit dhcp
   rm -rf /tmp/dnsmasq.d/dnsmasq_openclash.conf >/dev/null 2>&1
}

kill_clash()
{
   clash_pids=$(pidof clash|sed 's/$//g')
   for clash_pid in $clash_pids; do
      kill -9 "$clash_pid" 2>/dev/null
   done
   sleep 1
}

field_cut()
{
   local i lines end_len
   proxy_len=$(sed -n '/^Proxy:/=' "$3" 2>/dev/null |sed -n 1p)
   provider_len=$(sed -n '/^proxy-providers:/=' "$3" 2>/dev/null)
   group_len=$(sed -n '/^proxy-groups:/=' "$3" 2>/dev/null)
   rule_len=$(sed -n '/^rules:/=' "$3" 2>/dev/null)
   rule_provider_len=$(sed -n '/^rule-providers:/=' "$3" 2>/dev/null)
   script_len=$(sed -n '/^script:/=' "$3" 2>/dev/null)
   lines="$proxy_len $provider_len $group_len $rule_len $rule_provider_len $script_len"
   
   for i in $lines; do
      if [ -z "$1" ]; then
         break
      fi
      
      if [ "$1" -ge "$i" ]; then
         continue
      fi
	    
      if [ "$end_len" -gt "$i" ] || [ -z "$end_len" ]; then
	       end_len="$i"
      fi
   done 2>/dev/null
   
   if [ -n "$1" ] && [ -z "$end_len" ]; then
      end_len=$(sed -n '$=' "$3")
   elif [ -n "$end_len" ]; then
      end_len=$(expr "$end_len" - 1)
   fi
   sed -n "${1},${end_len}p" "$3" > "$2" 2>/dev/null
   sed -i "${1},${end_len}d" "$3" 2>/dev/null
}

yml_check()
{
   #格式替换
   sed -i 's/\t/ /g' "$3" 2>/dev/null
   sed -i "s/- \{2,\}/- /g" "$3" 2>/dev/null

   #检查关键字避免后续操作出错
   /usr/share/openclash/yml_field_name_ch.sh "$3" 2>/dev/null

   #dns
   [ -z "$(grep "^dns:" "$3")" ] && {
      sed -i "s/^ \{1,\}dns:/dns:/g" "$3" 2>/dev/null
   }
	 
	 #创建启动备份
   cp "$3" "$5"
	 
   #创建原始备份
   if [ ! -f "$4" ]; then
      cp "$3" "$4"
   fi

   #位置检查
   proxy_len=$(sed -n '/^Proxy:/=' "$3" 2>/dev/null |sed -n 1p)
   provider_len=$(sed -n '/^proxy-providers:/=' "$3" 2>/dev/null)
   group_len=$(sed -n '/^proxy-groups:/=' "$3" 2>/dev/null)
   dns_len=$(sed -n '/^dns:/=' "$3" 2>/dev/null)
   rule_len=$(sed -n '/^rules:/=' "$3" 2>/dev/null)

   if [ "$dns_len" -ge "$proxy_len" ] || [ "$dns_len" -ge "$rule_len" ] || [ "$dns_len" -ge "$group_len" ]; then
   	  kill_clash
   	  stop
   	  echo "错误: 不支持的配置文件， General 设置部分应位于开头，请根据模板修改后重试！" > $START_LOG
   	  echo "${LOGTIME} Unsupported Config, Please Check The General Setting's location And Try-again!" >> $LOG_FILE
      mv "$START_BACKUP" "$CONFIG_FILE"
      exit 0
   fi 2>/dev/null
   	
   if [ "$proxy_len" -ge "$rule_len" ]; then
   	  kill_clash
   	  stop
   	  echo "错误: 不支持的配置文件，服务器节点设置部分应位于规则之前，请根据模板修改后重试！" > $START_LOG
   	  echo "${LOGTIME} Unsupported Config, Please Check The Proxy Setting's location And Try-again!" >> $LOG_FILE
      mv "$START_BACKUP" "$CONFIG_FILE"
      exit 0
   fi 2>/dev/null
   
   if [ "$group_len" -ge "$rule_len" ] || [ "$proxy_len" -ge "$group_len" ]; then
   	  kill_clash
   	  stop
   	  echo "错误: 不支持的配置文件，策略组设置部分应位于规则之前、节点之后，请根据模板修改后重试！" > $START_LOG
   	  echo "${LOGTIME} Unsupported Config, Please Check The Group Setting's location And Try-again!" >> $LOG_FILE
      mv "$START_BACKUP" "$CONFIG_FILE"
      exit 0
   fi 2>/dev/null

   #处理proxy_provider位置
   if [ "$provider_len" -ge "$proxy_len" ] || [ "$provider_len" -ge "$group_len" ]; then
      field_cut "$provider_len" "$PROXY_PROVIDER_FILE" "$3"
      if [ -n "$proxy_len" ]; then
         sed -i '/^Proxy:/i\proxy-provider-tag' "$3" 2>/dev/null
         sed -i '/proxy-provider-tag/r/tmp/yaml_proxy_provider.yaml' "$3" 2>/dev/null
         sed -i '/proxy-provider-tag/d' "$3" 2>/dev/null
      elif [ -n "$group_len" ]; then
         sed -i '/^proxy-groups:/i\proxy-provider-tag' "$3" 2>/dev/null
         sed -i '/proxy-provider-tag/r/tmp/yaml_proxy_provider.yaml' "$3" 2>/dev/null
         sed -i '/proxy-provider-tag/d' "$3" 2>/dev/null
      fi
   fi 2>/dev/null
   
   #处理rule_provider位置
   rule_provider_len=$(sed -n '/^rule-providers:/=' "$3" 2>/dev/null)
   if [ -n "$rule_provider_len" ]; then
   	  field_cut "$rule_provider_len" "$RULE_PROVIDER_FILE" "$3"
   fi 2>/dev/null
   
   #处理script位置
   script_len=$(sed -n '/^script:/=' "$3" 2>/dev/null)
   if [ -n "$script_len" ]; then
   	  field_cut "$script_len" "$SCRIPT_FILE" "$3"
   fi 2>/dev/null

   if [ -n "$provider_len" ]; then
      proxy_provider_mode=1
   fi
   
   #自定义DNS还原
   if [ "$(grep -c '##Custom DNS##' "$3")" -gt 0 ] && [ "$2" = 0 ] && [ -f "$4" ]; then
      if [ "$proxy_provider_mode" -eq 1 ]; then
         awk '/^ {0,}nameserver:/,/proxy-providers:/{print}' "$4" | sed '/^proxy-providers:/d' >/tmp/backdns.config 2>/dev/null
      else
         awk '/^ {0,}nameserver:/,/Proxy:/{print}' "$4" | sed '/^Proxy:/d' >/tmp/backdns.config 2>/dev/null
      fi
      sed -i '/OpenClash-General-Settings/i\Custom DNS End' "$3" 2>/dev/null
      sed -i '/^ \{0,\}nameserver:/,/^Custom DNS End$/d' "$3" 2>/dev/null
      sed -i '/##Custom DNS##/r/tmp/bakdns.config' "$3" 2>/dev/null
      rm -rf /tmp/backdns.config 2>/dev/null
   fi 2>/dev/null

   yml_dns_check

	 if [ -n "$(grep "^ \{1,\}port:" "$3")" ] || [ -n "$(grep "^ \{1,\}mode:" "$3")" ] || [ -n "$(grep "^ \{1,\}log-level:" "$3")" ]; then
	    cp "$3" /tmp/config.check 2>/dev/null
	    sed -i '/^dns:/,$d' /tmp/config.check 2>/dev/null
	    sed -i 's/^[ \t]*//' /tmp/config.check 2>/dev/null
	    sed -n '/^dns:/,$p' "$3" >> /tmp/config.check 2>/dev/null
	    mv /tmp/config.check "$3" 2>/dev/null
	 fi
	 
   #添加标识
   sed -i '/OpenClash-General/d' "$3" 2>/dev/null
   if [ "$proxy_provider_mode" -eq 1 ]; then
      sed -i '/^proxy-providers:/i\#===================== OpenClash-General-Settings =====================#' "$3" 2>/dev/null
   else
      sed -i '/^Proxy:/i\#===================== OpenClash-General-Settings =====================#' "$3" 2>/dev/null
   fi 2>/dev/null
}

#检查DNS设置
yml_dns_check()
{

   if [ -z "$(grep '^dns:' "$CONFIG_FILE")" ]; then
      if [ "$proxy_provider_mode" -eq 1 ]; then
      	 sed -i '/^proxy-providers:/i\dns:' "$CONFIG_FILE" 2>/dev/null
      else
         sed -i '/^Proxy:/i\dns:' "$CONFIG_FILE" 2>/dev/null
      fi 2>/dev/null
   fi

   if [ -z "$(grep '^ \{0,\}nameserver:' "$CONFIG_FILE")" ]; then
      if [ "$proxy_provider_mode" -eq 1 ]; then
         sed -i '/^proxy-providers:/i\  nameserver:' "$CONFIG_FILE" 2>/dev/null
      else
         sed -i '/^Proxy:/i\  nameserver:' "$CONFIG_FILE" 2>/dev/null
      fi 2>/dev/null
      sed -i "/^ \{0,\}nameserver:/a\  - tls://8.8.8.8:853" "$CONFIG_FILE" 2>/dev/null
      sed -i "/^ \{0,\}nameserver:/a\  fallback:" "$CONFIG_FILE" 2>/dev/null
      sed -i "/^ \{0,\}nameserver:/a\  - 114.114.114.114" "$CONFIG_FILE" 2>/dev/null
   fi

   dns_port=$(grep "^ \{0,\}listen:" "$CONFIG_FILE" |awk -F ':' '{print $3}' |awk -F '#' '{print $1}' |tr -cd "[0-9]" 2>/dev/null)
   if [ -z "$dns_port" ] || [ "$dns_port" -eq 53 ]; then
      dns_port=7874
   fi

   if [ -n "$(grep "^ \{0,\}listen:" "$CONFIG_FILE")" ]; then
      if [ "$ipv6_enable" != "1" ]; then
         sed -i "/^ \{0,\}listen:/c\  listen: 127.0.0.1:${dns_port}" "$CONFIG_FILE" 2>/dev/null
      else
         sed -i "/^ \{0,\}listen:/c\  listen: 0.0.0.0:${dns_port}" "$CONFIG_FILE" 2>/dev/null
      fi
   else
      if [ "$ipv6_enable" != "1" ]; then
         sed -i "/^dns:/a\  listen: 127.0.0.1:${dns_port}" "$CONFIG_FILE" 2>/dev/null
      else
         sed -i "/^dns:/a\  listen: 0.0.0.0:${dns_port}" "$CONFIG_FILE" 2>/dev/null
      fi
   fi 2>/dev/null

   uci set openclash.config.dns_port="$dns_port" && uci commit openclash

}

#修改集路径
yml_provider_path()
{
   provider_path_line=$(sed -n '/ \{0,\}path/=' "$1" 2>/dev/null)
   if [ -n "$provider_path_line" ]; then
	    for n in $provider_path_line; do
         provider_path=$(sed -n "${n}p" "$1" |sed "s/\'//g" |sed 's/\"//g' |awk -F 'path:' '{print $2}' 2>/dev/null |sed 's/,.*//' 2>/dev/null |sed 's/^ \{0,\}//g' 2>/dev/null |sed 's/ \{0,\}$//g' 2>/dev/null |sed 's/ \{0,\}\}\{0,\}$//g' 2>/dev/null)
         if [ -z "$(echo "$provider_path" |grep "$2")" ]; then
            provider_name=$(echo "$provider_path" |awk -F '/' '{print $NF}')
            sed -i "s#${provider_path}#./${2}/${provider_name}#" "$1" 2>/dev/null
            provider_path="/etc/openclash/$2/$provider_name"
         fi
         if [ ! -f "$provider_path" ]; then
            uci set openclash.config.config_reload=0 2>/dev/null
            uci commit openclash
         fi
      done
   fi 2>/dev/null
}

#检查集文件防止启动失败
yml_provider_check()
{
provider_path_line=$(sed -n '/ \{0,\}path/=' "$1" 2>/dev/null)
local provider_path_exist
if [ -n "$provider_path_line" ]; then
   while ( [ -n "$(pidof clash)" ] && [ "$provider_path_exist" != 1 ] )
   do
      provider_path_exist=1
      for n in $provider_path_line; do
         provider_path=$(sed -n "${n}p" "$1" |sed "s/\'//g" |sed 's/\"//g' |awk -F 'path:' '{print $2}' 2>/dev/null |sed 's/,.*//' 2>/dev/null |sed 's/^ \{0,\}//g' 2>/dev/null |sed 's/ \{0,\}$//g' 2>/dev/null |sed 's/ \{0,\}\}\{0,\}$//g' 2>/dev/null)
         if [ "$(echo "${provider_path:0:1}")" = "." ]; then
            provider_path_check="/etc/openclash/$(echo ${provider_path:2})"
            if [ -f "$provider_path_check" ] && [ "$2" = "proxy_provider" ]; then
               if [ -z "$(grep "'proxies:':" "$provider_path_check")" ] && [ -z "$(grep '"proxies:":' "$provider_path_check")" ] && [ -z "$(grep 'proxies:' "$provider_path_check")" ]; then
                  provider_path_exist=0
               fi
            elif [ "$2" = "proxy_provider" ]; then
               provider_path_exist=0
            fi
            if [ -f "$provider_path_check" ] && [ "$2" = "rule_provider" ]; then
               if [ -z "$(grep "'payload:':" "$provider_path_check")" ] && [ -z "$(grep '"payload:":' "$provider_path_check")" ] && [ -z "$(grep 'payload:' "$provider_path_check")" ]; then
                  provider_path_exist=0
               fi
            elif [ "$2" = "rule_provider" ]; then
               provider_path_exist=0
            fi
         else
            provider_path_check="$provider_path"
            if [ -f "$provider_path_check" ] && [ "$2" = "proxy_provider" ]; then
               if [ -z "$(grep "'proxies:':" "$provider_path_check")" ] && [ -z "$(grep '"proxies:":' "$provider_path_check")" ] && [ -z "$(grep 'proxies:' "$provider_path_check")" ]; then
                  provider_path_exist=0
               fi
            elif [ "$2" = "proxy_provider" ]; then
               provider_path_exist=0
            fi
            if [ -f "$provider_path_check" ] && [ "$2" = "rule_provider" ]; then
               if [ -z "$(grep "'payload:':" "$provider_path_check")" ] && [ -z "$(grep '"payload:":' "$provider_path_check")" ] && [ -z "$(grep 'payload:' "$provider_path_check")" ]; then
                  provider_path_exist=0
               fi
            elif [ "$2" = "rule_provider" ]; then
               provider_path_exist=0
            fi
         fi
      done
   done
fi

if [ -z "$(pidof clash)" ] && [ "$provider_path_exist" = 0 ]; then
	 kill_clash
	 stop
	 if [ "$2" = "proxy_provider" ]; then
      echo "错误: 代理集文件下载失败，请到日志页面查看详细错误信息！" >$START_LOG
      echo "${LOGTIME} Faild to Download Proxy-Provider File, Please Check The Error Info And Try Again" >> $LOG_FILE
   else
      echo "错误: 规则集文件下载失败，请到日志页面查看详细错误信息！" >$START_LOG
      echo "${LOGTIME} Faild to Download Rule-Provider File, Please Check The Error Info And Try Again" >> $LOG_FILE
   fi
   sleep 10
   echo "" >$START_LOG
   exit 0
fi

}

#切割配置文件以分开处理
yml_cut()
{
    cp "$4" "$1"
    sed -i '/^rules:/,$d' "$1" 2>/dev/null
    sed -n '/^ \{0,\}nameserver:/,$p' "$1" >"$3" 2>/dev/null
    if [ "$proxy_provider_mode" -eq 1 ]; then
    	 sed -n '/^ \{0,\}proxy-groups:/,$p' "$3" >"$7" 2>/dev/null
    	 sed -n '/^ \{0,\}Proxy:/,$p' "$3" >"$5" 2>/dev/null
       sed -n '/^ \{0,\}proxy-providers:/,$p' "$3" >"$6" 2>/dev/null
       sed -i '/^ \{0,\}proxy-groups:/,$d' "$5" 2>/dev/null
       sed -i '/^ \{0,\}Proxy:/,$d' "$6" 2>/dev/null
       sed -i '/^ \{0,\}proxy-groups:/,$d' "$6" 2>/dev/null
    else
       sed -n '/^ \{0,\}proxy-groups:/,$p' "$3" >"$7" 2>/dev/null
       sed -n '/^ \{0,\}Proxy:/,$p' "$3" >"$5" 2>/dev/null
       sed -i '/^ \{0,\}proxy-groups:/,$d' "$5" 2>/dev/null
    fi 2>/dev/null
    sed -i '/^ \{0,\}nameserver:/,$d' "$1" 2>/dev/null
    if [ "$proxy_provider_mode" -eq 1 ]; then
       sed -i '/^ \{0,\}proxy-providers:/,$d' "$3" 2>/dev/null
    else
       sed -i '/^ \{0,\}Proxy:/,$d' "$3" 2>/dev/null
    fi 2>/dev/null
    sed -n '/^rules:/,$p' "$4" >"$2" 2>/dev/null
}

#获取自定义DNS设置
yml_dns_get()
{

   local section="$1"
   local dns_type=""
   local dns_address=""
   config_get_bool "enabled" "$section" "enabled" "1"
   config_get "port" "$section" "port" ""
   config_get "type" "$section" "type" ""
   config_get "ip" "$section" "ip" ""
   config_get "group" "$section" "group" ""

   if [ "$enabled" = "0" ]; then
      return
   fi
	
   if [ -z "$ip" ]; then
      return
   fi

   if [ "$type" = "tcp" ]; then
      dns_type="- tcp://"
   elif [ "$type" = "tls" ]; then
      dns_type="- tls://"
   elif [ "$type" = "udp" ]; then
      dns_type="- "
   elif [ "$type" = "https" ]; then
      dns_type="- https://"
   fi

   if [ -n "$port" ] && [ -n "$ip" ]; then
      dns_address="$ip:$port"
   elif [ -z "$port" ] && [ -n "$ip" ]; then
      dns_address="$ip"
   else
      return
   fi

   if [ -n "$group" ]; then
      if [ "$group" = "nameserver" ]; then
         echo "  $dns_type$dns_address" >>/etc/openclash/config.namedns
      else
         if [ -z "$(grep "fallback:$" /etc/openclash/config.falldns 2>/dev/null)" ]; then
            echo "  fallback:" >/etc/openclash/config.falldns
         fi
         echo "  $dns_type$dns_address" >>/etc/openclash/config.falldns
      fi
   else
      return
   fi

}

#添加自定义DNS设置
yml_dns_custom()
{
   if [ "$1" = 1 ]; then
      echo "  nameserver:" >/etc/openclash/config.namedns
      config_load "openclash"
      config_foreach yml_dns_get "dns_servers"
      sed -i '/^ \{0,\}nameserver:/i\##Custom DNS##' "$2" 2>/dev/null
      sed -i '/OpenClash-General-Settings/i\Custom DNS End' "$2" 2>/dev/null
      sed -i '/^ \{0,\}nameserver:/,/^Custom DNS End$/d' "$2" 2>/dev/null
      sed -i '/##Custom DNS##/r/etc/openclash/config.falldns' "$2" 2>/dev/null
      sed -i '/##Custom DNS##/r/etc/openclash/config.namedns' "$2" 2>/dev/null
      rm -rf /etc/openclash/config.namedns 2>/dev/null
      rm -rf /etc/openclash/config.falldns 2>/dev/null
   else
      sed -i "/^ \{0,\}nameserver:/c\  nameserver:" "$2" 2>/dev/null
      sed -i "/^ \{0,\}fallback:/c\  fallback:" "$2" 2>/dev/null
   fi

#fallback-filter
   if [ -n "$(grep "^ \{0,\}fallback:" "$2")" ]; then
      if [ -z "$(grep "^ \{0,\}fallback-filter:" "$2")" ]; then
         awk '/^ {0,}fallback:/,/OpenClash-General-Settings/{print}' "$2" |sed '1d' |sed '$d' >/tmp/fallback.cache 2>/dev/null
         sed -i '/cfw-bypass:/,$d' /tmp/fallback.cache 2>/dev/null
         sed -i '/cfw-latency-timeout:/,$d' /tmp/fallback.cache 2>/dev/null
         sed -i '/fallback:/,$d' "$2" 2>/dev/null
         echo "  fallback:" >>"$2"
         sed -i '/  fallback:/a\      - 240.0.0.0/4' "$2" 2>/dev/null
         sed -i '/  fallback:/a\    ipcidr:' "$2" 2>/dev/null
         sed -i '/  fallback:/a\    geoip: true' "$2" 2>/dev/null
         sed -i '/  fallback:/a\  fallback-filter:' "$2" 2>/dev/null
         sed -i '/  fallback:/r/tmp/fallback.cache' "$2" 2>/dev/null
         rm -rf /tmp/fallback.cache 2>/dev/null
         echo "#===================== OpenClash-General-Settings =====================#" >>"$2"
      else
         if [ -z "$(grep "^  fallback-filter:" "$2")" ]; then
            sed -i "/fallback-filter:/c\  fallback-filter:" "$2" 2>/dev/null
         fi
         if [ -z "$(grep "^    geoip: true" "$2")" ]; then
            sed -i "/geoip: true/c\    geoip: true" "$2" 2>/dev/null
         fi
         if [ -z "$(grep "^    ipcidr:" "$2")" ]; then
            sed -i "/ipcidr:/c\    ipcidr:" "$2" 2>/dev/null
         fi
      fi
      if [ -z "$(grep "^  - " "$2")" ]; then
         sed -i '/^ \{0,\}nameserver:/,/^ \{0,\}fallback-filter:/ {s/^ \{0,\}- /  - /}' "$2" 2>/dev/null #修改参数空格
      fi
      if [ -z "$(grep "^      - " "$2")" ]; then
         sed -i '/^ \{0,\}ipcidr:/,/OpenClash-General-Settings/ {s/^ \{0,\}- /      - /}' "$2" 2>/dev/null #修改参数空格
      fi
#删除fallback-filter
   else
      if [ -n "$(grep "^ \{0,\}fallback-filter:" "$2")" ]; then
         sed -i '/fallback-filter:/,$d' "$2" 2>/dev/null
         echo "#===================== OpenClash-General-Settings =====================#" >>"$2"
      fi
      if [ -n "$(grep "^ \{0,1\}- " "$2")" ]; then
 #添加参数空格
	       sed -i "s/^ \{0,\}- /  - /" "$2" 2>/dev/null
      fi
   fi

}

#获取认证信息
yml_auth_get()
{
   local section="$1"
   config_get_bool "enabled" "$section" "enabled" "1"
   config_get "username" "$section" "username" ""
   config_get "password" "$section" "password" ""

   if [ "$enabled" = "0" ]; then
      return
   fi

   if [ -z "$username" ] || [ -z "$password" ]; then
      return
   else
      echo "  - $username:$password" >>/etc/openclash/config.auth
   fi
}

#添加认证信息
yml_auth_custom()
{
   if [ -n "$(grep "^authentication:" "$1")" ]; then
      sed -i '/^dns:/i\#authentication' "$1" 2>/dev/null
      sed -i '/^authentication:/,/^#authentication/d' "$1" 2>/dev/null
   fi
   if [ -f /etc/openclash/config.auth ]; then
      sed -i '/^dns:/i\authentication:' "$1" 2>/dev/null
      sed -i '/^authentication:/r/etc/openclash/config.auth' "$1" 2>/dev/null
      mv /etc/openclash/config.auth /tmp/openclash.auth 2>/dev/null
   else
      rm -rf /tmp/openclash.auth 2>/dev/null
   fi
}

get_rule_file()
{
   if [ -z "$1" ]; then
      return
   fi
   
   GAME_RULE_FILE_NAME=$(grep -F "$1" /etc/openclash/game_rules.list |awk -F ',' '{print $3}' 2>/dev/null)

   if [ -z "$GAME_RULE_FILE_NAME" ]; then
      GAME_RULE_FILE_NAME=$(grep -F "$1" /etc/openclash/game_rules.list |awk -F ',' '{print $2}' 2>/dev/null)
   fi
   
   GAME_RULE_PATH="/etc/openclash/game_rules/$GAME_RULE_FILE_NAME"
   sed '/^#/d' "$GAME_RULE_PATH" 2>/dev/null |sed '/^ *$/d' |awk '{print "- IP-CIDR,"$0}' |awk -v tag="$2" '{print $0","'tag'""}' >> $GAME_RULE_FILE 2>/dev/null
   set_rule_file=1
}

yml_game_rule_get()
{
   local section="$1"
   config_get_bool "enabled" "$section" "enabled" "1"
   config_get "group" "$section" "group" ""
   config_get "config" "$section" "config" ""

   if [ "$enabled" = "0" ]; then
      return
   fi
   
   if [ -n "$config" ] && [ "$config" != "$CONFIG_NAME" ] && [ "$config" != "all" ]; then
      return
   fi
   
   if [ -z "$group" ]; then
      return
   fi
   
   config_list_foreach "$section" "rule_name" get_rule_file "$group"
}

yml_game_group_get()
{
	 local section="$1"
   config_get_bool "enabled" "$section" "enabled" "1"
   config_get "group" "$section" "group" ""
   config_get "config" "$section" "config" ""

   if [ "$enabled" = "0" ]; then
      return
   fi
   
   if [ -n "$config" ] && [ "$config" != "$CONFIG_NAME" ] && [ "$config" != "all" ]; then
      return
   fi
   
   if [ -z "$group" ]; then
      return
   fi
   
   /usr/share/openclash/yml_groups_set.sh "$group"
}

yml_game_custom()
{
#处理游戏规则
rm -rf $GAME_RULE_FILE 2>/dev/null
config_load "openclash"
config_foreach yml_game_rule_get "game_config"
if [ -n "$(grep "OpenClash-Game-Rules" "$RULE_FILE")" ]; then
   sed -i '/OpenClash-Game-Rules/,/OpenClash-Game-Rules-End/d' "$RULE_FILE" 2>/dev/null
fi
sed -i '/OpenClash-Game-Rules/d' "$RULE_FILE" 2>/dev/null
sed -i '/OpenClash-Game-Rules-End/d' "$RULE_FILE" 2>/dev/null
[ "$set_rule_file" = 1 ] && {
   if [ -n "$(grep "^ \{0,\}- GEOIP" "$RULE_FILE")" ]; then
      sed -i '1,/^ \{0,\}- GEOIP,/{/^ \{0,\}- GEOIP,/s/^ \{0,\}- GEOIP,/#===================== OpenClash-Game-Rules =====================#\n&/}' "$RULE_FILE" 2>/dev/null
   elif [ -n "$(grep "^ \{0,\}- MATCH," "$RULE_FILE")" ]; then
      sed -i '1,/^ \{0,\}- MATCH,/{/^ \{0,\}- MATCH,/s/^ \{0,\}- MATCH,/#===================== OpenClash-Game-Rules =====================#\n&/}' "$RULE_FILE" 2>/dev/null
   else
      echo "#===================== OpenClash-Game-Rules =====================#" >> "$RULE_FILE" 2>/dev/null
   fi
   echo "#===================== OpenClash-Game-Rules-End =====================#" >> $GAME_RULE_FILE
   sed -i '/OpenClash-Game-Rules/r/tmp/yaml_game_rule_group.yaml' "$RULE_FILE" 2>/dev/null
}

#合并文件
cat "$CHANGE_FILE" "$DNS_FILE" "$PROXY_PROVIDER_FILE" "$PROXY_FILE" "$GROUP_FILE" "$RULE_PROVIDER_FILE" "$SCRIPT_FILE" "$RULE_FILE" > "$CONFIG_FILE" 2>/dev/null

#处理游戏节点与策略组
config_load "openclash"
config_foreach yml_game_group_get "game_config"
sed -i '/^ \{0,\}proxy-groups:/r/tmp/yaml_groups.yaml' "$CONFIG_FILE" 2>/dev/null
sed -i '/^ \{0,\}Proxy:/d' /tmp/yaml_servers.yaml 2>/dev/null
sed -i '/^ \{0,\}proxy-providers:/d' /tmp/yaml_provider.yaml 2>/dev/null
if [ -z "$(grep "^ \{0,\}Proxy:" "$CONFIG_FILE" 2>/dev/null)" ] && [ -f "/tmp/yaml_servers.yaml" ]; then
   sed -i '/^ \{0,\}proxy-groups:/i\Proxy:' "$CONFIG_FILE" 2>/dev/null
   sed -i '/^ \{0,\}Proxy:/r/tmp/yaml_servers.yaml' "$CONFIG_FILE" 2>/dev/null
elif [ -f "/tmp/yaml_servers.yaml" ]; then
   sed -i '/^ \{0,\}Proxy:/r/tmp/yaml_servers.yaml' "$CONFIG_FILE" 2>/dev/null
fi
if [ -z "$(grep "^ \{0,\}proxy-providers:" "$CONFIG_FILE" 2>/dev/null)" ] && [ -f "/tmp/yaml_provider.yaml" ]; then
   sed -i '/OpenClash-General-Settings/a\proxy-providers:' "$CONFIG_FILE" 2>/dev/null
   sed -i '/^ \{0,\}proxy-providers:/r/tmp/yaml_provider.yaml' "$CONFIG_FILE" 2>/dev/null
elif [ -f "/tmp/yaml_servers.yaml" ]; then
   sed -i '/^ \{0,\}proxy-providers:r/tmp/yaml_provider.yaml' "$CONFIG_FILE" 2>/dev/null
fi
}

lan_ac()
{
   if [ -z "$1" ]; then
      return
   fi
  
   ipset add "$2" "$1" 2>/dev/null
  
}

#配置文件选择
config_choose()
{
if [ -z "$CONFIG_FILE" ] || [ ! -f "$CONFIG_FILE" ]; then
   CONFIG_NAME=$(ls -lt /etc/openclash/config/ | grep -E '.yaml|.yml' | head -n 1 |awk '{print $9}')
   if [ -n "$CONFIG_NAME" ]; then
      uci set openclash.config.config_path="/etc/openclash/config/$CONFIG_NAME"
      uci commit openclash
      CONFIG_FILE="/etc/openclash/config/$CONFIG_NAME"
   elif [ -f "/etc/openclash/config.yaml" ]; then
      mv "/etc/openclash/config.yaml" "/etc/openclash/config/config.yaml"
      uci set openclash.config.config_path="/etc/openclash/config/config.yaml"
      uci commit openclash
      CONFIG_FILE="/etc/openclash/config/config.yaml"
   elif [ -f "/etc/openclash/config.yml" ]; then
      mv "/etc/openclash/config.yml" "/etc/openclash/config/config.yaml"
      uci set openclash.config.config_path="/etc/openclash/config/config.yaml"
      uci commit openclash
      CONFIG_FILE="/etc/openclash/config/config.yaml"
   fi
else
   if [ ! -f "$CONFIG_FILE" ] && [ -f "$BACKUP_FILE" ]; then
      cp "$BACKUP_FILE" "$CONFIG_FILE"
   fi
fi 2>/dev/null
CONFIG_NAME=$(echo "$CONFIG_FILE" |awk -F '/' '{print $5}' 2>/dev/null)
}

#运行模式处理
do_run_mode()
{
    en_mode=$(uci get openclash.config.en_mode 2>/dev/null)
    proxy_mode=$(uci get openclash.config.proxy_mode 2>/dev/null)
    
    if [ ! -h "/etc/openclash/clash" ] && [ -s "/etc/openclash/clash" ] && [ ! -s "/etc/openclash/core/clash" ]; then
       mv "/etc/openclash/clash" "/etc/openclash/core/clash" 2>/dev/null
    fi
    
    rm -rf "/etc/openclash/clash" 2>/dev/null
    
    if [ "$en_mode" = "fake-ip-tun" ]; then
       en_mode_tun="1"
       en_mode="fake-ip"
       ln -s /etc/openclash/core/clash_tun /etc/openclash/clash 2>/dev/null
       core_type="Tun"
    fi
    
    if [ "$en_mode" = "redir-host-tun" ]; then
       en_mode_tun="1"
       en_mode="redir-host"
       ln -s /etc/openclash/core/clash_tun /etc/openclash/clash 2>/dev/null
       core_type="Tun"
    fi
    
    if [ "$en_mode" = "redir-host-vpn" ]; then
       en_mode_tun="2"
       en_mode="redir-host"
       ln -s /etc/openclash/core/clash_game /etc/openclash/clash 2>/dev/null
       core_type="Game"
    fi
    
    if [ "$en_mode" = "fake-ip-vpn" ]; then
       en_mode_tun="2"
       en_mode="fake-ip"
       ln -s /etc/openclash/core/clash_game /etc/openclash/clash 2>/dev/null
       core_type="Game"
    fi
    
    if [ "$proxy_mode" = "Script" ] || [ -n "$(grep "^ \{0,\}rule-providers:" "$CONFIG_FILE" 2>/dev/null)" ]; then
       ln -s /etc/openclash/core/clash_tun /etc/openclash/clash 2>/dev/null
       core_type="Tun"
    fi
    
    if [ ! -f "/etc/openclash/clash" ] && [ -f "/etc/openclash/core/clash" ]; then
    	ln -s /etc/openclash/core/clash /etc/openclash/clash 2>/dev/null
    fi

#权限检查
    [ ! -x "/etc/openclash/core/clash_tun" ] && chmod 4755 /etc/openclash/core/clash_tun 2>/dev/null
    [ ! -x "/etc/openclash/core/clash_game" ] && chmod 4755 /etc/openclash/core/clash_game 2>/dev/null
    [ ! -x "/etc/openclash/core/clash" ] && chmod 4755 /etc/openclash/core/clash 2>/dev/null
}

set_firewall()
{
if [ "$(iptables -t nat -nL PREROUTING --line-number |grep "udp dpt:53" |grep "0.0.0.0/0 \{0,\}0.0.0.0/0" |wc -l)" -gt 1 ] && [ "$enable_redirect_dns" -eq "1" ]; then
   echo "发现53端口被劫持，清理防火墙规则..." >$START_LOG
   pre_lines=$(iptables -nvL PREROUTING -t nat |sed 1,2d |sed -n '/0.0.0.0\/0 \{0,\}0.0.0.0\/0 \{0,\}udp dpt:53/=' 2>/dev/null |sort -rn)
   for pre_line in $pre_lines; do
      iptables -t nat -D PREROUTING "$pre_line" >/dev/null 2>&1
   done
   iptables -t nat -A PREROUTING -p udp --dport 53 -j REDIRECT --to-ports 53 >/dev/null 2>&1
   sleep 2
fi
             
if [ -z "$(uci get firewall.openclash 2>/dev/null)" ] || [ -z "$(uci get ucitrack.@openclash[-1].init 2>/dev/null)" ]; then
   uci delete ucitrack.@openclash[-1] >/dev/null 2>&1
   uci add ucitrack openclash >/dev/null 2>&1
   uci set ucitrack.@openclash[-1].init=openclash >/dev/null 2>&1
   uci commit ucitrack >/dev/null 2>&1
   uci delete firewall.openclash >/dev/null 2>&1
   uci set firewall.openclash=include >/dev/null 2>&1
   uci set firewall.openclash.type=script >/dev/null 2>&1
   uci set firewall.openclash.path=/var/etc/openclash.include >/dev/null 2>&1
   uci set firewall.openclash.reload=1 >/dev/null 2>&1
fi
          
if [ "$(uci get firewall.@defaults[0].forward)" != "ACCEPT" ]; then
   uci set firewall.@defaults[0].forward=ACCEPT >/dev/null 2>&1
   uci commit firewall >/dev/null 2>&1
   /etc/init.d/firewall reload >/dev/null 2>&1
fi
          
mkdir -p /var/etc
cat > "/var/etc/openclash.include" <<-EOF
/etc/init.d/openclash reload >/dev/null 2>&1
EOF

#lan_ac
if [ "$operation_mode" = "redir-host" ] && [ "$en_mode" = "redir-host" ]; then
   if [ "$lan_ac_mode" = "0" ] && [ -n "$(uci get openclash.config.lan_ac_black_ips 2>/dev/null)" ]; then
      ipset create lan_ac_black_ips hash:net
      config_load "openclash"
      config_list_foreach "config" "lan_ac_black_ips" lan_ac "lan_ac_black_ips"
   elif [ "$lan_ac_mode" = "1" ] && [ -n "$(uci get openclash.config.lan_ac_white_ips 2>/dev/null)" ]; then
      ipset create lan_ac_white_ips hash:net
      config_load "openclash"
      config_list_foreach "config" "lan_ac_white_ips" lan_ac "lan_ac_white_ips"
   fi
fi

#local
   ipset create localnetwork hash:net
   ipset add localnetwork 0.0.0.0/8
   ipset add localnetwork 127.0.0.0/8
   ipset add localnetwork 10.0.0.0/8
   ipset add localnetwork 169.254.0.0/16
   ipset add localnetwork 192.168.0.0/16
   ipset add localnetwork 224.0.0.0/4
   ipset add localnetwork 240.0.0.0/4
   ipset add localnetwork 172.16.0.0/12

   if [ -n "$wan_ip4" ]; then
      for wan_ip4s in $wan_ip4; do
         ipset add localnetwork "$wan_ip4s" 2>/dev/null
      done
   fi

if [ -z "$en_mode_tun" ]; then
   #tcp
   iptables -t nat -N openclash
   iptables -t nat -F openclash
   iptables -t nat -A openclash -m set --match-set localnetwork dst -j RETURN
   iptables -t nat -A openclash -m set --match-set lan_ac_black_ips src -j RETURN >/dev/null 2>&1
   iptables -t nat -A openclash -m set ! --match-set lan_ac_white_ips src -j RETURN >/dev/null 2>&1
   iptables -t nat -A openclash -p tcp -j REDIRECT --to-ports "$proxy_port"
   iptables -t nat -I PREROUTING -p tcp -d 8.8.8.8 -j REDIRECT --to-ports "$proxy_port"
   iptables -t nat -I PREROUTING -p tcp -d 8.8.4.4 -j REDIRECT --to-ports "$proxy_port"
   iptables -t nat -A PREROUTING -p tcp -j openclash

   #udp
   if [ "$enable_udp_proxy" -eq 1 ]; then
      ip rule add fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE"
      ip route add local 0.0.0.0/0 dev lo table "$PROXY_ROUTE_TABLE"
      iptables -t mangle -N openclash
      iptables -t mangle -A openclash -m set --match-set localnetwork dst -j RETURN
      iptables -t mangle -A openclash -m set --match-set lan_ac_black_ips src -j RETURN >/dev/null 2>&1
      iptables -t mangle -A openclash -m set ! --match-set lan_ac_white_ips src -j RETURN >/dev/null 2>&1
      iptables -t mangle -A openclash -p udp -j TPROXY --on-port "$proxy_port" --on-ip 0.0.0.0 --tproxy-mark "$PROXY_FWMARK"
      iptables -t mangle -A PREROUTING -p udp -j openclash
   fi

   if [ "$en_mode" = "fake-ip" ]; then
   	  iptables -t nat -N openclash_output
      iptables -t nat -F openclash_output
   	  iptables -t nat -A openclash_output -m set --match-set localnetwork dst -j RETURN
      iptables -t nat -A openclash_output -p tcp -d 198.18.0.0/16 -j REDIRECT --to-ports "$proxy_port"
      iptables -t nat -A OUTPUT -p tcp -j openclash_output
   fi

   if [ "$ipv6_enable" -eq 1 ]; then
      #tcp
      ip6tables -t nat -N openclash
      if [ -n "$lan_ip6" ]; then
         for lan_ip6s in $lan_ip6; do
            ip6tables -t nat -A openclash -d "$lan_ip6s" -j RETURN 2>/dev/null
         done
      fi
      ip6tables -t nat -A openclash -p tcp -j REDIRECT --to-ports "$proxy_port"
      ip6tables -t nat -A PREROUTING -p tcp -j openclash

      #udp
      #if [ "$enable_udp_proxy" -eq 1 ]; then
      #   ip6tables -t mangle -N openclash
      #   if [ -n "$lan_ip6" ]; then
      #      for lan_ip6s in $lan_ip6; do
      #         if [ "$enable_udp_proxy" -eq 1 ]; then
      #            ip6tables -t mangle -A openclash -d "$lan_ip6s" -j RETURN 2>/dev/null
      #         fi
      #      done
      #   fi
      #   ip6tables -t mangle -A openclash -p udp -j TPROXY --on-port "$proxy_port" --tproxy-mark "$PROXY_FWMARK"
      #   ip6tables -t mangle -A PREROUTING -p udp -j openclash
      #fi
   fi 2>/dev/null
else
   #TUN模式
   #启动TUN
   if [ "$en_mode_tun" = "2" ]; then
      ip tuntap add user root mode tun clash0
      ip link set clash0 up
      ip route replace default dev clash0 table "$PROXY_ROUTE_TABLE"
   elif [ "$en_mode_tun" = "1" ]; then
      TUN_WAIT=0
      while ( [ -n "$(pidof clash)" ] && [ -z "$(ip route list |grep utun)" ] && [ "$TUN_WAIT" -le 3 ] )
      do
         TUN_WAIT=$(expr "$TUN_WAIT" + 1)
         sleep 2
      done
      ip route replace default dev utun table "$PROXY_ROUTE_TABLE"
   fi
   ip rule add fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE"
   #设置防火墙
   iptables -t mangle -N openclash
   iptables -t mangle -F openclash
   iptables -t mangle -A openclash -m set --match-set localnetwork dst -j RETURN
   if [ "$en_mode" = "fake-ip" ]; then
      iptables -t mangle -A openclash -d 198.18.0.0/16 -j MARK --set-mark "$PROXY_FWMARK"
   fi
   iptables -t mangle -I OUTPUT -j openclash
   iptables -t mangle -I PREROUTING -m set ! --match-set localnetwork dst -j MARK --set-mark "$PROXY_FWMARK"
   iptables -t mangle -I PREROUTING -m set --match-set lan_ac_black_ips src -j RETURN >/dev/null 2>&1
   iptables -t mangle -I PREROUTING -m set ! --match-set lan_ac_white_ips src -j RETURN >/dev/null 2>&1
   iptables -t nat -I PREROUTING -p tcp --dport 53 -j ACCEPT
   #ipv6
   #    if [ "$ipv6_enable" -eq 1 ]; then
   #        ip6tables -t mangle -I PREROUTING -j MARK --set-mark "$PROXY_FWMARK"
   #    fi
fi
}

revert_firewall()
{
   rm -rf /var/etc/openclash.include 2>/dev/null

   #ipv4

   ip rule del fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE" >/dev/null 2>&1
   ip route del local 0.0.0.0/0 dev lo table "$PROXY_ROUTE_TABLE" >/dev/null 2>&1

   iptables -t nat -D PREROUTING -p tcp --dport 53 -j ACCEPT >/dev/null 2>&1

   out_lines=$(iptables -nvL OUTPUT -t nat |sed 1,2d |sed -n '/openclash/=' 2>/dev/null |sort -rn)
   for out_line in $out_lines; do
      iptables -t nat -D OUTPUT "$out_line" >/dev/null 2>&1
   done
   iptables -t nat -D OUTPUT -p tcp -j openclash_output >/dev/null 2>&1

   pre_lines=$(iptables -nvL PREROUTING -t nat |sed 1,2d |sed -n '/8\.8\./=' 2>/dev/null |sort -rn)
   for pre_line in $pre_lines; do
      iptables -t nat -D PREROUTING "$pre_line" >/dev/null 2>&1
   done

   pre_lines=$(iptables -nvL PREROUTING -t mangle |sed 1,2d |sed -n '/openclash/=' 2>/dev/null |sort -rn)
   for pre_line in $pre_lines; do
      iptables -t mangle -D PREROUTING "$pre_line" >/dev/null 2>&1
   done
   iptables -t mangle -D PREROUTING -p udp -j openclash >/dev/null 2>&1

   pre_lines=$(iptables -nvL PREROUTING -t nat |sed 1,2d |sed -n '/openclash/=' 2>/dev/null |sort -rn)
   for pre_line in $pre_lines; do
      iptables -t nat -D PREROUTING "$pre_line" >/dev/null 2>&1
   done
   iptables -t nat -D PREROUTING -p tcp -j openclash >/dev/null 2>&1

   #ipv6
   #ip6tables -t mangle -F openclash >/dev/null 2>&1
   #ip6tables -t mangle -D PREROUTING -p udp -j openclash >/dev/null 2>&1
   #ip6tables -t mangle -X openclash >/dev/null 2>&1

   iptables -t nat -F openclash >/dev/null 2>&1
   iptables -t nat -X openclash >/dev/null 2>&1

   iptables -t nat -F openclash_output >/dev/null 2>&1
   iptables -t nat -X openclash_output >/dev/null 2>&1

   ip6tables -t nat -F openclash >/dev/null 2>&1
   ip6tables -t nat -D PREROUTING -p tcp -j openclash >/dev/null 2>&1
   ip6tables -t nat -X openclash >/dev/null 2>&1

   #TUN
   ip route del default dev clash0 table "$PROXY_ROUTE_TABLE" >/dev/null 2>&1
   ip route del default dev utun table "$PROXY_ROUTE_TABLE" >/dev/null 2>&1
   ip rule del fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE" >/dev/null 2>&1
   ip link set dev clash0 down >/dev/null 2>&1
   ip tuntap del clash0 mode tun >/dev/null 2>&1

   iptables -t mangle -D OUTPUT -j openclash >/dev/null 2>&1
   iptables -t mangle -D PREROUTING -m set --match-set lan_ac_black_ips src -j RETURN >/dev/null 2>&1
   iptables -t mangle -D PREROUTING -m set ! --match-set lan_ac_white_ips src -j RETURN >/dev/null 2>&1
   iptables -t mangle -D PREROUTING -m set ! --match-set localnetwork dst -j MARK --set-mark "$PROXY_FWMARK" >/dev/null 2>&1
   iptables -t mangle -F openclash >/dev/null 2>&1
   iptables -t mangle -X openclash >/dev/null 2>&1

   #ip6tables -t mangle -D PREROUTING -j MARK --set-mark "$PROXY_FWMARK" >/dev/null 2>&1

   ipset destroy localnetwork >/dev/null 2>&1
   ipset destroy lan_ac_white_ips >/dev/null 2>&1
   ipset destroy lan_ac_black_ips >/dev/null 2>&1
}

get_config()
{
   enable_custom_dns=$(uci get openclash.config.enable_custom_dns 2>/dev/null)
   rule_source=$(uci get openclash.config.rule_source 2>/dev/null)
   enable_custom_clash_rules=$(uci get openclash.config.enable_custom_clash_rules 2>/dev/null) 
   da_password=$(uci get openclash.config.dashboard_password 2>/dev/null)
   cn_port=$(uci get openclash.config.cn_port 2>/dev/null)
   proxy_port=$(uci get openclash.config.proxy_port 2>/dev/null)
   ipv6_enable=$(uci get openclash.config.ipv6_enable 2>/dev/null)
   http_port=$(uci get openclash.config.http_port 2>/dev/null)
   socks_port=$(uci get openclash.config.socks_port 2>/dev/null)
   enable_redirect_dns=$(uci get openclash.config.enable_redirect_dns 2>/dev/null)
   lan_ip=$(uci get network.lan.ipaddr 2>/dev/null |awk -F '/' '{print $1}' 2>/dev/null)
   wan_ip4=$(ifconfig | grep 'inet addr' | awk '{print $2}' | cut -d: -f2 2>/dev/null)
   lan_ip6=$(ifconfig | grep 'inet6 addr' | awk '{print $3}' 2>/dev/null)
   disable_masq_cache=$(uci get openclash.config.disable_masq_cache 2>/dev/null)
   log_level=$(uci get openclash.config.log_level 2>/dev/null)
   intranet_allowed=$(uci get openclash.config.intranet_allowed 2>/dev/null)
   enable_udp_proxy=$(uci get openclash.config.enable_udp_proxy 2>/dev/null)
   operation_mode=$(uci get openclash.config.operation_mode 2>/dev/null)
   lan_ac_mode=$(uci get openclash.config.lan_ac_mode 2>/dev/null)
   enable_rule_proxy=$(uci get openclash.config.enable_rule_proxy 2>/dev/null)
   stack_type=$(uci get openclash.config.stack_type 2>/dev/null)
}

start()
{
#禁止多个实例
status=$(ps|grep -c /etc/init.d/openclash)
[ "$status" -gt "3" ] && exit 0

config_choose

enable=$(uci get openclash.config.enable 2>/dev/null)

if [ "$enable" -eq 1 ] && [ -f "$CONFIG_FILE" ]; then
#检查是否存在核心文件
   do_run_mode
   [ ! -f "$CLASH" ] && {
   	  kill_clash
   	  stop
      echo "内核文件不存在，开始下载..." >$START_LOG
      nohup /usr/share/openclash/openclash_core.sh "$core_type" &
      exit 0
   }
    echo "OpenClash 开始启动..." >$START_LOG
    echo "第一步: 获取配置..." >$START_LOG
    get_config
    echo "第二步: 配置文件检查..." >$START_LOG
    yml_check "$en_mode" "$enable_custom_dns" "$CONFIG_FILE" "$BACKUP_FILE" "$START_BACKUP"
    grep "^ \{0,\}proxy-groups:" "$CONFIG_FILE" >/dev/null 2>&1 && grep "^ \{0,\}rules:" "$CONFIG_FILE" >/dev/null 2>&1
    if [ "$?" -eq "0" ]; then
       grep "^ \{0,\}Proxy:" "$CONFIG_FILE" >/dev/null 2>&1 || grep "^ \{0,\}proxy-providers:" "$CONFIG_FILE" >/dev/null 2>&1
       if [ "$?" -ne "0" ]; then
          nohup "$CLASH" -d "$CLASH_CONFIG" -f "$CONFIG_FILE" >> $LOG_FILE 2>&1 &
          kill_clash
          stop
          echo "错误: 配置文件完整性检查不通过，已自动还原配置文件，请根据日志信息对照模板格式检查修改配置文件！" >$START_LOG
          mv "$START_BACKUP" "$CONFIG_FILE"
          sleep 5
          echo "" >$START_LOG
       else
          echo "第三步: 修改配置文件..." >$START_LOG
          config_load "openclash"
          config_foreach yml_auth_get "authentication"
          yml_auth_custom "$CONFIG_FILE"
          yml_cut "$CHANGE_FILE" "$RULE_FILE" "$DNS_FILE" "$CONFIG_FILE" "$PROXY_FILE" "$PROXY_PROVIDER_FILE" "$GROUP_FILE"
          yml_dns_custom "$enable_custom_dns" "$DNS_FILE"
          yml_provider_path "$PROXY_PROVIDER_FILE" "proxy_provider"
          yml_provider_path "$RULE_PROVIDER_FILE" "rule_provider"
          sh /usr/share/openclash/yml_change.sh >/dev/null 2>&1 "$LOGTIME" "$en_mode" "$enable_custom_dns" "$da_password" "$cn_port" "$proxy_port" "$CHANGE_FILE" "$ipv6_enable" "$http_port" "$socks_port" "$lan_ip" "$log_level" "$proxy_mode" "$intranet_allowed" "$en_mode_tun" "$stack_type" &
          sh /usr/share/openclash/yml_rules_change.sh >/dev/null 2>&1 "$LOGTIME" "$rule_source" "$enable_custom_clash_rules" "$RULE_FILE" "$set_rule_file" "$en_mode" "$enable_rule_proxy" "$BACKUP_FILE" &
          wait
          yml_game_custom
          echo "第四步: DNS设置检查..." >$START_LOG
          if [ -n "$(sed -n '/^ \{0,\}nameserver:/{n;p}' "$CONFIG_FILE" |grep '^ \{0,\}fallback:')" ] || [ -n "$(sed -n '/^ \{0,\}nameserver:/{n;p}' "$CONFIG_FILE" |grep 'OpenClash-General')" ]; then
          	 kill_clash
          	 stop
             echo "错误: 配置文件DNS选项下的Nameserver必须设置服务器，已自动还原配置文件，请重新设置！" >$START_LOG
             echo "${LOGTIME} Nameserver Must Be Set, Please Change Your Configrations In Config.yaml" >>$LOG_FILE
             mv "$START_BACKUP" "$CONFIG_FILE"
             sleep 10
             echo "" >$START_LOG
          else
             echo "第五步: 启动主程序..." >$START_LOG
             sed -i "s/^ \{0,\}Proxy:/proxies:/g" "$CONFIG_FILE" 2>/dev/null
             ulimit -SHn 65535 2>/dev/null
             config_reload=$(uci get openclash.config.config_reload 2>/dev/null)
             if [ -n "$(pidof clash)" ] && [ "$core_type" != "Tun" ] && [ "$config_reload" != "0" ]; then
                curl -s --connect-timeout 5 -m 5 -H 'Content-Type: application/json' -H "Authorization: Bearer ${da_password}" -XPUT http://"$lan_ip":"$cn_port"/configs -d "{\"path\": \"$CONFIG_FILE\"}" 2>/dev/null
             else
                kill_clash
                nohup "$CLASH" -d "$CLASH_CONFIG" -f "$CONFIG_FILE" >> $LOG_FILE 2>&1 &
             fi
             uci set openclash.config.config_reload=1 2>/dev/null
             uci commit openclash
             
             #检测proxy_provider配置文件状态
             echo "第六步: 等待主程序下载外部文件..." >$START_LOG
             yml_provider_check "$PROXY_PROVIDER_FILE" "proxy_provider"
             yml_provider_check "$RULE_PROVIDER_FILE" "rule_provider"

             echo "第七步: 设置控制面板..." >$START_LOG
             ln -s /usr/share/openclash/yacd /www/luci-static/openclash 2>/dev/null
       
             echo "第八步: 设置防火墙规则..." >$START_LOG
             set_firewall

             echo "第九步: 重启 Dnsmasq 程序..." >$START_LOG
             change_dns "$enable_redirect_dns" "$disable_masq_cache"
             /etc/init.d/dnsmasq restart >/dev/null 2>&1
             if pidof clash >/dev/null; then
                echo "第十步: 还原策略组节点状态..." >$START_LOG
                /usr/share/openclash/openclash_history_set.sh
                echo "第十一步: 添加计划任务,启动进程守护程序..." >$START_LOG
                add_cron
                if [ -z "$(uci get dhcp.lan.dhcpv6 2>/dev/null)" ]; then
                   echo "OpenClash 启动成功，请等待服务器上线！" >$START_LOG
                   echo "${LOGTIME} OpenClash Start Successful" >> $LOG_FILE
                   sleep 5
                else
                   echo "OpenClash 启动成功，检测到您启用了IPV6的DHCP服务，可能会造成连接异常！" >$START_LOG
                   echo "${LOGTIME} OpenClash Start Successful, Please Note That Network May Abnormal With IPV6's DHCP Server" >> $LOG_FILE
                   sleep 10
                fi
                echo "OpenClash Already Start"
                echo "" >$START_LOG
             else
                if [ "$rule_source" != 0 ] || [ "$enable_custom_clash_rules" != 0 ]; then
                   echo "错误: OpenClash 启动失败，尝试还原第三方规则并重新启动 Clash 主程序..." >$START_LOG
                   echo "${LOGTIME} OpenClash Can Not Start, Try Use Backup Rules Start Again" >> $LOG_FILE
                   mv "$START_BACKUP" /etc/openclash/configrules.bak
                   sed -i -n '/^rules:/,$p' /etc/openclash/configrules.bak
                   sed -i '/^rules:/,$d' "$CONFIG_FILE"
                   cat /etc/openclash/configrules.bak >> "$CONFIG_FILE"
                   rm -rf /etc/openclash/configrules.bak
                   nohup "$CLASH" -d "$CLASH_CONFIG" -f "$CONFIG_FILE" >> $LOG_FILE 2>&1 &
                   sleep 3
                   if pidof clash >/dev/null; then
                   	  /usr/share/openclash/openclash_history_set.sh
                      add_cron
                      if [ -z "$(uci get dhcp.lan.dhcpv6 2>/dev/null)" ]; then
                         echo "OpenClash 使用备份规则启动成功，请更新、检查变动的规则后重试！" >$START_LOG
                         echo "${LOGTIME} OpenClash Start Successful With Backup Rules Config, Please Check Or Update Other Rules And Retry" >> $LOG_FILE
                         sleep 10
                      else
                         echo "OpenClash 使用备份规则启动成功，请更新、检查变动的规则后重试！" >$START_LOG
                         echo "${LOGTIME} OpenClash Start Successful With Backup Rules Config, Please Check Or Update Other Rules And Retry" >> $LOG_FILE
                         sleep 5
                         echo "检测到您启用了IPV6的DHCP服务，可能会造成连接异常！" >$START_LOG
                         echo "${LOGTIME} OpenClash Start Successful, Please Note That Network May Abnormal With IPV6's DHCP Server" >> $LOG_FILE
                         sleep 10
                      fi
                      echo "OpenClash Already Start"
                      echo "" >$START_LOG
                   else
                      kill_clash
                      stop
                      echo "错误: OpenClash 启动失败，请到日志页面查看详细错误信息！" >$START_LOG
                      echo "${LOGTIME} OpenClash Can Not Start, Please Check The Error Info And Try Again" >> $LOG_FILE
                      sleep 10
                      echo "" >$START_LOG
                   fi
                else
                   kill_clash
                   stop
                   echo "错误: OpenClash 启动失败，请到日志页面查看详细错误信息！" >$START_LOG
                   echo "${LOGTIME} OpenClash Can Not Start, Please Check The Error Info And Try Again" >> $LOG_FILE
                   sleep 10
                   echo "" >$START_LOG
                fi
             fi
          fi
       fi
    else
       nohup "$CLASH" -d "$CLASH_CONFIG" -f "$CONFIG_FILE" >> $LOG_FILE 2>&1 &
       kill_clash
       stop
       echo "错误: 配置文件完整性检查不通过，已自动还原配置文件，请根据日志信息对照模板格式检查修改配置文件！" >$START_LOG
       mv "$START_BACKUP" "$CONFIG_FILE"
       sleep 5
       echo "" >$START_LOG
    fi
    rm -rf $START_BACKUP 2>/dev/null
    rm -rf /tmp/yaml_* 2>/dev/null
else
   subscribe_url=$(uci get openclash.config.subscribe_url 2>/dev/null)
   if [ ! -f "$CONFIG_FILE" ] && [ -n "$subscribe_url" ]; then
      kill_clash
      stop
      echo "OpenClash 配置文件不存在，开始下载..." >$START_LOG
      nohup /usr/share/openclash/openclash.sh &
      exit 0
   elif [ ! -f "$CONFIG_FILE" ]; then
   	  kill_clash
   	  stop
      echo "错误: OpenClash 缺少配置文件，请上传或更新配置文件！" >$START_LOG
      echo "${LOGTIME} Config Not Found" >> $LOG_FILE
      sleep 5
      echo "" >$START_LOG
   fi
fi
}

stop()
{
   
   enable=$(uci get openclash.config.enable 2>/dev/null)

   echo "OpenClash 开始关闭..." >$START_LOG
   echo "第一步: 备份当前节点状态..." >$START_LOG
   /usr/share/openclash/openclash_history_get.sh 2>/dev/null

   echo "第二步: 删除 OpenClash 防火墙规则..." >$START_LOG
   revert_firewall

   echo "第三步: 关闭 OpenClash 守护程序..." >$START_LOG
   watchdog_pids=$(ps |grep openclash_watchdog.sh |grep -v grep |awk '{print $1}' 2>/dev/null)
   for watchdog_pid in $watchdog_pids; do
      kill -9 "$watchdog_pid" >/dev/null 2>&1
   done

   echo "第四步: 关闭 Clash 主程序..." >$START_LOG
   if [ "$enable" -eq 0 ]; then
      kill_clash
   fi
    
   echo "第五步: 重启 Dnsmasq 程序..." >$START_LOG
   dns_port=$(uci get openclash.config.dns_port 2>/dev/null)
   redirect_dns=$(uci get openclash.config.redirect_dns 2>/dev/null)
   masq_cache=$(uci get openclash.config.masq_cache 2>/dev/null)
   revert_dns "$redirect_dns" "$masq_cache" "$dns_port"
   /etc/init.d/dnsmasq restart >/dev/null 2>&1

   echo "第六步：删除 OpenClash 残留文件..." >$START_LOG
   if [ "$enable" -eq 0 ]; then
      rm -rf $LOG_FILE 2>/dev/null
      rm -rf /tmp/openclash_debug.log 2>/dev/null
      rm -rf /www/luci-static/openclash 2>/dev/null
      rm -rf /tmp/openclash_last_version 2>/dev/null
      rm -rf /tmp/clash_last_version 2>/dev/null
      rm -rf /tmp/Proxy_Group 2>/dev/null
      rm -rf /tmp/rules_name 2>/dev/null
      echo "OpenClash 关闭成功！" >$START_LOG
      sleep 5
   fi
   
   rm -rf /tmp/yaml_* 2>/dev/null
   rm -rf $START_LOG 2>/dev/null
   del_cron
   echo "OpenClash Already Stop"
}


restart()
{
   stop
   start
}

reload()
{
   if pidof clash >/dev/null; then
      revert_firewall 2>/dev/null
      do_run_mode 2>/dev/null
      get_config 2>/dev/null
      set_firewall 2>/dev/null
      echo "${LOGTIME} OpenClash Reload After Firewall Restart" >> $LOG_FILE
   fi
}
