small-package/luci-app-openclash/root/usr/share/openclash/openclash_watchdog.sh

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#!/bin/sh
. /usr/share/openclash/log.sh
CLASH="/etc/openclash/clash"
CLASH_CONFIG="/etc/openclash"
LOG_FILE="/tmp/openclash.log"
PROXY_FWMARK="0x162"
PROXY_ROUTE_TABLE="0x162"
enable_redirect_dns=$(uci -q get openclash.config.enable_redirect_dns)
dns_port=$(uci -q get openclash.config.dns_port)
disable_masq_cache=$(uci -q get openclash.config.disable_masq_cache)
cfg_update_interval=$(uci -q get openclash.config.config_update_interval)
log_size=$(uci -q get openclash.config.log_size || 1024)
core_type=$(uci -q get openclash.config.core_type)
_koolshare=$(cat /usr/lib/os-release 2>/dev/null |grep OPENWRT_RELEASE 2>/dev/null |grep -i koolshare 2>/dev/null)
CRASH_NUM=0
CFG_UPDATE_INT=0
sleep 60
while :;
do
cfg_update=$(uci -q get openclash.config.auto_update)
cfg_update_mode=$(uci -q get openclash.config.config_auto_update_mode)
cfg_update_interval_now=$(uci -q get openclash.config.config_update_interval)
enable=$(uci -q get openclash.config.enable)
if [ "$enable" -eq 1 ]; then
clash_pids=$(pidof clash |sed 's/$//g' |wc -l)
if [ "$clash_pids" -gt 1 ]; then
LOG_OUT "Watchdog: Multiple Clash Processes, Kill All..."
for clash_pid in $clash_pids; do
kill -9 "$clash_pid" 2>/dev/null
done >/dev/null 2>&1
sleep 1
fi 2>/dev/null
if ! pidof clash >/dev/null; then
CRASH_NUM=$(expr "$CRASH_NUM" + 1)
if [ "$CRASH_NUM" -le 3 ]; then
RAW_CONFIG_FILE=$(uci -q get openclash.config.config_path)
CONFIG_FILE="/etc/openclash/$(uci -q get openclash.config.config_path |awk -F '/' '{print $5}' 2>/dev/null)"
LOG_OUT "Watchdog: Clash Core Problem, Restart..."
if [ -z "$_koolshare" ]; then
touch /tmp/openclash.log 2>/dev/null
chmod o+w /etc/openclash/proxy_provider/* 2>/dev/null
chmod o+w /etc/openclash/rule_provider/* 2>/dev/null
chmod o+w /tmp/openclash.log 2>/dev/null
chown nobody:nogroup /etc/openclash/core/* 2>/dev/null
capabilties="cap_sys_resource,cap_dac_override,cap_net_raw,cap_net_bind_service,cap_net_admin"
capsh --caps="${capabilties}+eip" -- -c "capsh --user=nobody --addamb='${capabilties}' -- -c 'nohup $CLASH -d $CLASH_CONFIG -f \"$CONFIG_FILE\" >> $LOG_FILE 2>&1 &'" >> $LOG_FILE 2>&1
else
nohup $CLASH -d $CLASH_CONFIG -f "$CONFIG_FILE" >> $LOG_FILE 2>&1 &
fi
sleep 3
if [ "$core_type" = "TUN" ]; then
ip route replace default dev utun table "$PROXY_ROUTE_TABLE" 2>/dev/null
ip rule add fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE" 2>/dev/null
elif [ "$core_type" = "Game" ]; then
ip tuntap add user root mode tun clash0 2>/dev/null
ip link set clash0 up 2>/dev/null
ip route replace default dev clash0 table "$PROXY_ROUTE_TABLE" 2>/dev/null
ip rule add fwmark "$PROXY_FWMARK" table "$PROXY_ROUTE_TABLE" 2>/dev/null
fi
else
LOG_OUT "Watchdog: Already Restart 3 Times With Clash Core Problem, Auto-Exit..."
/etc/init.d/openclash stop
exit 0
fi
else
CRASH_NUM=0
fi
fi
## Porxy history
/usr/share/openclash/openclash_history_get.sh
## Log File Size Manage:
LOGSIZE=`ls -l /tmp/openclash.log |awk '{print int($5/1024)}'`
if [ "$LOGSIZE" -gt "$log_size" ]; then
: > /tmp/openclash.log
LOG_OUT "Watchdog: Log Size Limit, Clean Up All Log Records..."
fi
## 端口转发重启
last_line=$(iptables -t nat -nL PREROUTING --line-number |awk '{print $1}' 2>/dev/null |awk 'END {print}' |sed -n '$p')
op_line=$(iptables -t nat -nL PREROUTING --line-number |grep "openclash" 2>/dev/null |awk '{print $1}' 2>/dev/null |head -1)
if [ "$last_line" != "$op_line" ] && [ -n "$op_line" ]; then
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 >/dev/null 2>&1
iptables -t nat -A PREROUTING -p tcp -j openclash
LOG_OUT "Watchdog: Reset Firewall For Enabling Redirect..."
fi
## DNS转发劫持
if [ "$enable_redirect_dns" -ne 0 ]; then
if [ -z "$(uci -q get dhcp.@dnsmasq[0].server |grep "$dns_port")" ] || [ ! -z "$(uci -q get dhcp.@dnsmasq[0].server |awk -F ' ' '{print $2}')" ]; then
LOG_OUT "Watchdog: Force Reset DNS Hijack..."
uci -q del dhcp.@dnsmasq[-1].server
uci -q add_list dhcp.@dnsmasq[0].server=127.0.0.1#"$dns_port"
uci -q delete dhcp.@dnsmasq[0].resolvfile
uci -q set dhcp.@dnsmasq[0].noresolv=1
[ "$disable_masq_cache" -eq 1 ] && {
uci -q set dhcp.@dnsmasq[0].cachesize=0
}
uci -q commit dhcp
/etc/init.d/dnsmasq restart >/dev/null 2>&1
fi
fi
## 配置文件循环更新
if [ "$cfg_update" -eq 1 ] && [ "$cfg_update_mode" -eq 1 ]; then
if [ -z "$cfg_update_interval_now" ]; then
cfg_update_interval_now=60
fi
if [ -z "$cfg_update_interval" ]; then
cfg_update_interval=60
fi
[ "$cfg_update_interval" -ne "$cfg_update_interval_now" ] && CFG_UPDATE_INT=0 && cfg_update_interval="$cfg_update_interval_now"
if [ "$CFG_UPDATE_INT" -ne 0 ]; then
[ "$(expr "$CFG_UPDATE_INT" % "$cfg_update_interval_now")" -eq 0 ] && /usr/share/openclash/openclash.sh
fi
CFG_UPDATE_INT=$(expr "$CFG_UPDATE_INT" + 1)
fi
##dler checkin
/usr/share/openclash/openclash_dler_checkin.lua
SLOG_CLEAN
sleep 60
done 2>/dev/null