#!/bin/sh

# PROVIDE: step_ca
# REQUIRE: LOGIN networking
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable or customize this service:
#
# step_ca_enable (bool):	Set to NO by default.
#				Set to YES to enable step_ca.
# step_ca_user (user):		Set user to run step_ca.
#				Default is "step"
# step_ca_group (group):	Set group to run step_ca.
#				Default is "step"
# step_ca_stepdir (dir):	Set dir to run step_ca in.
#				Default is "%%PREFIX%%/etc/step"
# step_ca_steppath (dir):	Set dir to run hold step_ca CA information in.
#				Default is "${step_ca_stepdir}/ca"
# step_ca_password (path):	step_ca CA Password file path
#				Default is "${step_ca_stepdir}/password.txt"

. /etc/rc.subr

name="step_ca"
rcvar="step_ca_enable"

load_rc_config $name
: ${step_ca_enable:=no}
: ${step_ca_user:=step}
: ${step_ca_group:=step}
: ${step_ca_stepdir:=%%PREFIX%%/etc/step}
: ${step_ca_steppath:=${step_ca_stepdir}/ca}
: ${step_ca_password:=${step_ca_stepdir}/password.txt}
: ${step_ca_env:=STEPPATH=${step_ca_steppath}}

pidfile="/var/run/${name}.pid"
step_ca_command="%%PREFIX%%/sbin/step-ca"
step_ca_config="\
	${step_ca_steppath}/config/ca.json \
	--password-file ${step_ca_password}"

command="/usr/sbin/daemon"
command_args="-S -c \
		-P $pidfile \
		-t $name \
		-T $name \
		$step_ca_command $step_ca_config"

start_precmd=step_ca_startprecmd
start_postcmd=step_ca_postcmd

extra_commands="configure"
configure_cmd="step_ca_configure"

step_ca_startprecmd()
{
        if [ ! -e ${pidfile} ]; then
                install -o ${step_ca_user} -g ${step_ca_group} /dev/null ${pidfile};
        fi

	if [ ! -e ${step_ca_steppath} ]; then
		echo "No configured Step CA found."
		echo "Please run service step_ca configure"
		exit 1
	else
		export STEPPATH=${step_ca_steppath}
	fi

	if [ ! -e ${step_ca_password} ]; then
		echo "Step CA Password file for auto-start not found"
		echo "Please run service step_ca configure"
		exit 1
	fi

	if [ -e ${step_ca_steppath}/config/ca.json ]; then
		configured_port=$(sed -n -e '/"address"/ s/.*:\(.*\)".*/\1/p' ${step_ca_steppath}/config/ca.json)
		if [ ${configured_port} -lt 1024 ]; then
			echo "Privileged Port (${configured_port}) configured: cannot run as ${step_ca_user}"
			exit 1
		fi
	fi
}

step_ca_postcmd() {
	sleep 2
	run_rc_command status
}

step_ca_configure() {
	if [ ! -e ${step_ca_steppath} ]; then
		echo "No configured Step CA found."
		echo "Creating new one...."
		install -d -m 700 -o ${step_ca_user} -g ${step_ca_group} ${step_ca_steppath}
		export STEPPATH=${step_ca_steppath}
		%%PREFIX%%/bin/step ca init --ssh
		chown -R ${step_ca_user}:${step_ca_group} ${step_ca_stepdir}
	else
		echo "Configured Step CA found at ${step_ca_steppath}."
		echo "Please remove the directory and its contents manually if you really want to reconfigure."
		export STEPPATH=${step_ca_steppath}
	fi

	if [ ! -e ${step_ca_password} ]; then
		echo "Step CA Password file for auto-start not found"
		echo "Creating it...."
		install -m 600 -o ${step_ca_user} -g ${step_ca_group} /dev/null ${step_ca_password}
		echo "Please enter the Step CA Password:"
		stty -echo; read passwd; stty echo; echo
		echo $passwd > ${step_ca_password}
	else
		echo "Configured Step CA password file found at ${step_ca_password}."
		echo "Please remove the file manually if you really want to reconfigure."
	fi

	if [ -e ${step_ca_steppath}/config/ca.json ]; then
		configured_port=$(sed -n -e '/"address"/ s/.*:\(.*\)".*/\1/p' ${step_ca_steppath}/config/ca.json)
		if [ ${configured_port} -lt 1024 ]; then
			echo "Privileged Port (${configured_port}) configured: cannot run as ${step_ca_user}"
		fi
	fi
}

run_rc_command "$1"
