small-package/luci-app-tailscale/root/etc/init.d/tailscale

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#!/bin/sh /etc/rc.common
START=90
USE_PROCD=1
PROG=/usr/sbin/tailscale_helper
PROGD=/usr/sbin/tailscaled
CONFIG_PATH=/var/lib/tailscale
service_triggers() {
procd_add_reload_trigger "tailscale"
procd_add_interface_trigger "interface.*.up" wan /etc/init.d/tailscale reload
}
section_enabled() {
config_get_bool enabled "$1" 'enabled' 0
[ $enabled -gt 0 ]
}
tailscale_helper() {
local cfg="$1"
local accept_routes hostname accept_dns advertise_exit_node exit_node advertise_routes disable_snat_subnet_routes subnet_routes access flags login_server authkey std_out std_err
config_get_bool accept_routes $cfg 'accept_routes'
config_get hostname $cfg 'hostname'
config_get_bool accept_dns $cfg 'accept_dns'
config_get_bool advertise_exit_node $cfg 'advertise_exit_node'
config_get exit_node $cfg 'exit_node'
config_get advertise_routes $cfg 'advertise_routes'
config_get_bool disable_snat_subnet_routes $cfg 'disable_snat_subnet_routes'
config_get subnet_routes $cfg 'subnet_routes'
config_get access $cfg 'access'
config_get flags $cfg 'flags'
config_get login_server $cfg 'login_server'
config_get authkey $cfg 'authkey'
config_get_bool std_out $cfg 'log_stdout'
config_get_bool std_err $cfg 'log_stderr'
procd_open_instance
procd_set_param command $PROG
[ "$accept_routes" = "1" ] && procd_append_param command --accept-routes=true
[ -n "$hostname" ] && procd_append_param command --hostname="$hostname"
[ "$accept_dns" = "0" ] && procd_append_param command --accept-dns=false
[ "$advertise_exit_node" = "1" ] && procd_append_param command --advertise-exit-node
[ -n "$exit_node" ] && {
procd_append_param command --exit-node="$exit_node"
procd_append_param command --exit-node-allow-lan-access=true
}
[ -n "$advertise_routes" ] && procd_append_param command --advertise-routes="$(echo $advertise_routes | tr ' ' ',')"
[ "$disable_snat_subnet_routes" = "1" ] && procd_append_param command --snat-subnet-routes=false
[ -n "$flags" ] && procd_append_param command $flags
[ -n "$login_server" ] && procd_append_param command --login-server="$login_server"
[ -n "$authkey" ] && procd_append_param command --authkey="$authkey"
procd_set_param env \
ACCEPT_DNS="$accept_dns" \
EXIT_NODE="$exit_node" \
SUBNET_ROUTES="$subnet_routes" \
ACCESS="$access"
procd_set_param respawn
procd_set_param stdout "$std_out"
procd_set_param stderr "$std_err"
procd_close_instance
}
start_instance() {
local cfg="$1"
local port config_path fw_mode std_out std_err state_file
if ! section_enabled "$cfg"; then
echo "disabled in /etc/config/tailscale"
return 1
fi
config_get port $cfg 'port'
config_get config_path $cfg 'config_path'
config_get fw_mode $cfg 'fw_mode'
config_get_bool std_out $cfg 'log_stdout'
config_get_bool std_err $cfg 'log_stderr'
[ -d $config_path ] || mkdir -p $config_path
[ -d $CONFIG_PATH ] || mkdir -p $CONFIG_PATH
state_file="$config_path/tailscaled.state"
/usr/sbin/tailscaled --cleanup
procd_open_instance
procd_set_param command $PROGD
[ -n "$port" ] && procd_append_param command --port "$port"
[ -n "$state_file" ] && procd_append_param command --state "$state_file"
procd_set_param env TS_DEBUG_FIREWALL_MODE="$fw_mode"
procd_set_param respawn
procd_set_param stdout "$std_out"
procd_set_param stderr "$std_err"
procd_close_instance
tailscale_helper "$cfg"
}
start_service() {
config_load 'tailscale'
config_foreach start_instance 'tailscale'
}
stop_instance() {
local cfg="$1"
# Remove dnsmasq settings
MagicDNSSuffix=$(tailscale status --json | awk -F'"' '/"MagicDNSSuffix"/ {last=$(NF-1)} END {print last}')
for suffix in $(uci show dhcp | grep -E "address=.*/${MagicDNSSuffix}/" | sed "s/'//g"); do
uci -q del_list $suffix
done
# Remove network settings
uci -q delete network.tailscale
uci -q delete network.ts_lan
for route in $(uci show network | grep 'network.ts_subnet[0-9]\+=route' | grep -o 'network.ts_subnet[0-9]\+'); do
uci -q delete $route
done
# Remove firewall settings
index=$(uci show firewall | grep "firewall.@forwarding\[[0-9]\+\]\.src='lan'" -B 1 -A 1 | grep "firewall.@forwarding\[[0-9]\+\]\.dest='wan'" | grep -o '[0-9]\+')
uci -q delete firewall.@forwarding[$index].enabled
uci -q delete firewall.tszone
uci -q delete firewall.ts_ac_lan
uci -q delete firewall.ts_ac_wan
uci -q delete firewall.lan_ac_ts
uci -q delete firewall.wan_ac_ts
# Commit configuration changes and reload service
[ -n "$(uci changes dhcp)" ] && uci commit dhcp && /etc/init.d/dnsmasq reload
[ -n "$(uci changes network)" ] && uci commit network && /etc/init.d/network reload
[ -n "$(uci changes firewall)" ] && uci commit firewall && /etc/init.d/firewall reload
/usr/sbin/tailscaled --cleanup
# Remove existing link or folder
rm -rf "$CONFIG_PATH"
}
stop_service() {
config_load 'tailscale'
config_foreach stop_instance 'tailscale'
}
reload_service() {
stop
start
}