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#!/bin/sh
# PROVIDE: tailscaled
# REQUIRE: NETWORKING
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# tailscaled_enable (bool): Set it to YES to enable tailscaled.
# Default is "NO".
# tailscaled_state_dir (str): Set the path to use for the state directory.
# Default is "/var/db/tailscale"
# tailscaled_port (number): Set the port to listen on for incoming VPN packets.
# Default is "41641".
# tailscaled_syslog_output_enable (bool): Set to enable syslog output.
# Default is "NO". See daemon(8).
# tailscaled_syslog_output_priority (str): Set syslog priority if syslog enabled.
# Default is "info". See daemon(8).
# tailscaled_syslog_output_facility (str): Set syslog facility if syslog enabled.
# Default is "daemon". See daemon(8).
# tailscaled_exitnode_enable (bool): Set it to YES to announce tailscaled as
# an exit node. Default is "NO".
# tailscaled_up_args (str): Additional arguments to pass to tailscale up
# Default is "" (empty string).
# tailscaled_tun_dev (str): Set the name of the tun interface tailscaled creates.
# Default is "tailscale0"
. /etc/rc.subr
name=tailscaled
rcvar=tailscaled_enable
load_rc_config $name
: ${tailscaled_enable:="NO"}
: ${tailscaled_state_dir:="/var/db/tailscale"}
: ${tailscaled_port:="41641"}
: ${tailscaled_exitnode_enable:="NO"}
: ${tailscaled_up_args:=""}
: ${tailscaled_tun_dev:="tailscale0"}
DAEMON=$(/usr/sbin/daemon 2>&1 | grep -q syslog ; echo $?)
if [ ${DAEMON} -eq 0 ]; then
: ${tailscaled_syslog_output_enable:="NO"}
: ${tailscaled_syslog_output_priority:="info"}
: ${tailscaled_syslog_output_facility:="daemon"}
if checkyesno tailscaled_syslog_output_enable; then
tailscaled_syslog_output_flags="-t ${name} -T ${name}"
if [ -n "${tailscaled_syslog_output_priority}" ]; then
tailscaled_syslog_output_flags="${tailscaled_syslog_output_flags} -s ${tailscaled_syslog_output_priority}"
fi
if [ -n "${tailscaled_syslog_output_facility}" ]; then
tailscaled_syslog_output_flags="${tailscaled_syslog_output_flags} -l ${tailscaled_syslog_output_facility}"
fi
fi
else
tailscaled_syslog_output_enable="NO"
tailscaled_syslog_output_flags=""
fi
pidfile=/var/run/${name}.pid
procname="%%PREFIX%%/bin/${name}"
ctlname="%%PREFIX%%/bin/tailscale"
start_cmd="${name}_start"
start_postcmd="${name}_poststart"
stop_postcmd="${name}_poststop"
tailscaled_start()
{
# Check for orphaned tailscale network interface
# And if it exists, then destroy it
/sbin/ifconfig ${tailscaled_tun_dev} >/dev/null 2>&1 && (
/sbin/ifconfig ${tailscaled_tun_dev} | fgrep -qw PID ||
/sbin/ifconfig ${tailscaled_tun_dev} destroy
)
/usr/sbin/daemon -f ${tailscaled_syslog_output_flags} -p ${pidfile} ${procname} -port ${tailscaled_port} -tun ${tailscaled_tun_dev} -statedir ${tailscaled_state_dir}
}
tailscaled_poststart()
{
if checkyesno tailscaled_exitnode_enable; then
logger -s -t tailscale "Enabling Exit node mode"
tailscaled_up_args=" --advertise-exit-node ${tailscaled_up_args}"
fi
if [ -n "${tailscaled_up_args}" ]; then
${ctlname} up ${tailscaled_up_args}
fi
}
tailscaled_poststop()
{
/sbin/ifconfig ${tailscaled_tun_dev} >/dev/null 2>&1 && (
logger -s -t tailscaled "Destroying ${tailscaled_tun_dev} adapter"
/sbin/ifconfig ${tailscaled_tun_dev} destroy || logger -s -t tailscaled "Failed to destroy ${tailscaled_tun_dev} adapter"
)
}
run_rc_command "$1"
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