immortalwrt/package/ntlf9t/luci-app-brook/root/etc/init.d/brook
2020-03-12 10:39:38 +08:00

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#!/bin/sh /etc/rc.common
#
# Copyright (C) 2017 openwrt-ssr
# Copyright (C) 2017 yushi studio <ywb94@qq.com>
# Copyright (C) 2018 openwrt-brook-tproxy
#
# This is free software, licensed under the GNU General Public License v3.
# See /LICENSE for more information.
#
START=90
STOP=15
SERVICE_DAEMONIZE=1
NAME=brook
EXTRA_COMMANDS=rules
FWI=$(uci get firewall.brook.path 2>/dev/null)
uci_get_by_name() {
local ret=$(uci get $NAME.$1.$2 2>/dev/null)
echo ${ret:=$3}
}
uci_get_by_type() {
local ret=$(uci get $NAME.@$1[0].$2 2>/dev/null)
echo ${ret:=$3}
}
run_mode=$(uci_get_by_type global run_mode)
GLOBAL_SERVER=$(uci_get_by_type global global_server)
ip_list=$(uci_get_by_type proxy_control wan_bp_list)
gen_include() {
[ -n "$FWI" ] || return 0
extract_rules() {
echo "*$1"
iptables-save -t $1 | grep Brook
echo 'COMMIT'
}
cat <<-EOF >>$FWI
#!/bin/sh
iptables-save -c | grep -v "Brook" | iptables-restore -c
iptables-restore -n <<-EOT
$(extract_rules mangle)
EOT
EOF
return 0
}
gen_iplist() {
cat <<-EOF
0.0.0.0/8
10.0.0.0/8
100.64.0.0/10
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
192.0.0.0/24
192.0.2.0/24
192.88.99.0/24
192.168.0.0/16
198.18.0.0/15
198.51.100.0/24
203.0.113.0/24
224.0.0.0/4
240.0.0.0/4
255.255.255.255
$1
$(for ip in $2; do echo $ip; done)
$(cat ${ip_list:=/dev/null} 2>/dev/null)
EOF
}
start_rules() {
local host=$(uci_get_by_name $GLOBAL_SERVER server)
if echo $host| grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then
hostip=${host}
elif [ "$host" != "${host#*:[0-9a-fA-F]}" ]; then
hostip=${host}
else
hostip=`ping ${host} -s 1 -c 1 | grep PING | cut -d'(' -f 2 | cut -d')' -f1`
if echo $hostip| grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then
hostip=${hostip}
else
hostip="127.0.0.1"
fi
fi
local bp_ips=$(uci_get_by_type proxy_control wan_bp_ips)
local fw_ips=$(uci_get_by_type proxy_control wan_fw_ips)
local lan_pc=$(uci_get_by_type proxy_control lan_pc_mode)
local pc_ips=$(uci_get_by_type proxy_control lan_pc_ips)
ip rule add fwmark 1 lookup 100
ip route add local 0.0.0.0/0 dev lo table 100
if [ "$run_mode" = "router" ]; then
MATCH_SET="-m set --match-set iplist dst"
ipset -! -R <<-EOF || return 1
create iplist hash:net
$(gen_iplist $hostip $bp_ips | sed -e "s/^/add iplist /")
$(for ip in $fw_ips; do echo "add iplist $ip nomatch"; done)
EOF
else
MATCH_SET="-m set ! --match-set gfwlist dst"
ipset -N gfwlist iphash 2>/dev/null
for ip in $fw_ips; do ipset add gfwlist $ip; done
fi
if [ "$pc_ips" ]; then
ipset -! -R <<-EOF || return 1
create pclist hash:net
$(for ip in $pc_ips; do echo "add pclist $ip"; done)
EOF
case "$lan_pc" in
b)
iptables -t mangle -A PREROUTING -m set --match-set pclist src \
-j RETURN -m comment --comment "Brook_Proxy_Control"
;;
w)
iptables -t mangle -A PREROUTING -m set ! --match-set pclist src \
-j RETURN -m comment --comment "Brook_Proxy_Control"
;;
esac
fi
iptables -t mangle -A PREROUTING $MATCH_SET -j RETURN -m comment --comment "Brook_Tproxy"
iptables -t mangle -N Brook
iptables -t mangle -A Brook -j MARK --set-mark 1
iptables -t mangle -A Brook -j ACCEPT
iptables -t mangle -A PREROUTING -p tcp -m socket -j Brook
iptables -t mangle -A PREROUTING -p tcp -j TPROXY --tproxy-mark 0x1/0x1 \
--on-port $(uci_get_by_name $GLOBAL_SERVER local_port) \
-m comment --comment "Brook_Tproxy"
iptables -t mangle -A PREROUTING -p udp -m socket -j Brook
iptables -t mangle -A PREROUTING -p udp -j TPROXY --tproxy-mark 0x1/0x1 \
--on-port $(uci_get_by_name $GLOBAL_SERVER local_port) \
-m comment --comment "Brook_Tproxy"
gen_include
}
start_tunnel() {
/usr/bin/brook tunnel -l :5353 \
-t $(uci_get_by_type global tunnel_forward 8.8.8.8:53) \
-s $(uci_get_by_name $GLOBAL_SERVER server):$(uci_get_by_name $GLOBAL_SERVER server_port) \
-p $(uci_get_by_name $GLOBAL_SERVER password) >/dev/null 2>&1 &
mkdir -p /tmp/dnsmasq.d
cat > /tmp/dnsmasq.d/dnsmasq-brook.conf <<EOF
conf-dir=/etc/dnsmasq.brook
EOF
/etc/init.d/dnsmasq restart
}
start_tproxy() {
/usr/bin/brook tproxy -l :$(uci_get_by_name $GLOBAL_SERVER local_port) \
-s $(uci_get_by_name $GLOBAL_SERVER server):$(uci_get_by_name $GLOBAL_SERVER server_port) \
-p $(uci_get_by_name $GLOBAL_SERVER password) >/dev/null 2>&1 &
}
del_rules() {
local on_port=`iptables -t mangle -L PREROUTING | grep Brook |
grep -o -E "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\:[0-9]+" |
awk -F ':' '{print $2}' | awk 'NR==1'`
iptables -t mangle -L PREROUTING | grep Brook_Proxy_Control && \
(iptables -t mangle -D PREROUTING -m set ! --match-set pclist src \
-j RETURN -m comment --comment "Brook_Proxy_Control" || \
iptables -t mangle -D PREROUTING -m set --match-set pclist src \
-j RETURN -m comment --comment "Brook_Proxy_Control")
iptables -t mangle -L PREROUTING | grep iplist && MATCH_SET="-m set --match-set iplist dst"
iptables -t mangle -L PREROUTING | grep gfwlist && MATCH_SET="-m set ! --match-set gfwlist dst"
iptables -t mangle -D PREROUTING $MATCH_SET -j RETURN -m comment --comment "Brook_Tproxy"
iptables -t mangle -D PREROUTING -p tcp -m socket -j Brook
iptables -t mangle -D PREROUTING -p tcp -j TPROXY --tproxy-mark 0x1/0x1 \
--on-port $on_port -m comment --comment "Brook_Tproxy"
iptables -t mangle -D PREROUTING -p udp -m socket -j Brook
iptables -t mangle -D PREROUTING -p udp -j TPROXY --tproxy-mark 0x1/0x1 \
--on-port $on_port -m comment --comment "Brook_Tproxy"
iptables -t mangle -F Brook
iptables -t mangle -X Brook
ip rule del fwmark 1 lookup 100
ip route del local 0.0.0.0/0 dev lo table 100
if [ -f "$FWI" ]; then
rm -f $FWI
fi
}
start() {
sysctl -w net.ipv4.ip_forward=1 >/dev/null
sysctl -w net.ipv6.conf.all.forwarding=1 >/dev/null
if ! [ "$GLOBAL_SERVER" = "nil" ]; then
start_rules >/dev/null 2>&1 &
start_tproxy
start_tunnel
fi
}
boot() {
(sleep 5 && start >/dev/null 2>&1) &
}
stop() {
local rules_str=`iptables -t mangle -L| grep Brook`
if [ "$rules_str" ]; then
del_rules >/dev/null 2>&1 &
fi
if [ -f "/tmp/dnsmasq.d/dnsmasq-brook.conf" ]; then
rm -f /tmp/dnsmasq.d/dnsmasq-brook.conf
/etc/init.d/dnsmasq restart
fi
local process=`ps -w | grep "/usr/bin/brook" |grep -v grep`
if [ "$process" ]; then
for pid in $(ps -w | grep "/usr/bin/brook" | grep -v grep| awk '{print $1}'); do
kill -9 $pid
done
fi
}