#!/bin/sh /etc/rc.common

START=90

USE_PROCD=1
PROG=/usr/bin/emailrelay
NAME=emailrelay

handle_dnsbl() {
	procd_append_param command --dnsbl "$1"
}

handle_filter() {
	procd_append_param command --filter "$1"
}

handle_client_filter() {
	procd_append_param command --client-filter "$1"
}

handle_interface() {
	procd_append_param command --interface "$2=$1"
}


emailrelay_instance()
{
	procd_open_instance
	procd_set_param command "$PROG" --no-daemon

	local enabled mode port remote_clients  \
		anonymous domain address_verifier spool_dir delivery_dir \
		server_auth server_tls server_tls_required server_tls_key server_tls_certificate server_tls_verify \
		client_auth client_tls client_tls_required client_tls_key client_tls_certificate client_tls_verify \
		smarthost smtp_client_interface \
		pop pop_port pop_auth pop_by_name \
		extra_cmdline

	config_get_bool enabled "$1" enabled
	[ "$enabled" = 0 ] && return 1
	config_get mode "$1" mode
	config_get port "$1" port
	config_get_bool remote_clients "$1" remote_clients
	config_list_foreach "$1" dnsbl handle_dnsbl
	config_get_bool server_tls "$1" server_tls
	config_get_bool server_tls_required "$1" server_tls_required
	config_get server_tls_key "$1" server_tls_key
	config_get server_tls_certificate "$1" server_tls_certificate
	config_get server_tls_verify "$1" server_tls_verify
	config_get server_auth "$1" server_auth
	config_list_foreach "$1" filter handle_filter
	config_get extra_cmdline "$1" extra_cmdline
	config_list_foreach "$1" smtp_server_interface handle_interface "smtp"
	config_get smarthost "$1" smarthost
	config_get smtp_client_interface "$1" smtp_client_interface
	config_get_bool client_tls "$1" client_tls
	config_get_bool client_tls_required "$1" client_tls_required
	config_get client_tls_key "$1" client_tls_key
	config_get client_tls_certificate "$1" client_tls_certificate
	config_get client_tls_verify "$1" client_tls_verify
	config_get client_auth "$1" client_auth
	config_get address_verifier "$1" address_verifier
	config_get domain "$1" domain
	config_get_bool anonymous "$1" anonymous
	config_list_foreach "$1" client_filter handle_client_filter
	config_get spool_dir "$1" spool_dir
	config_get delivery_dir "$1" delivery_dir
	config_get_bool pop "$1" pop
	config_get pop_port "$1" pop_port
	config_get pop_auth "$1" pop_auth
	config_get_bool pop_by_name "$1" pop_by_name
	config_list_foreach "$1" pop_server_interface handle_interface "pop"


	case "$mode" in
		"client"|\
		"server"|\
		"proxy")
			procd_append_param command "--as-${mode}"
			[ -n "$smarthost" ] && procd_append_param command "$smarthost"
			[ -n "$port" ] && procd_append_param command --port "$port"
			[ "$remote_clients" = 1 ] && procd_append_param command --remote-clients
			[ "$server_tls" = 1 ] && procd_append_param command --server-tls
			[ "$server_tls_required" = 1 ] && procd_append_param command --server-tls-required
			[ -n "$server_tls_key" ] && procd_append_param command --server-tls-certificate "$server_tls_key"
			[ -n "$server_tls_certificate" ] && procd_append_param command --server-tls-certificate "$server_tls_certificate"
			[ -n "$server_tls_verify" ] && procd_append_param command --server-tls-verify "$server_tls_verify"
			[ -n "$server_auth" ] && procd_append_param command --server-auth "$server_auth"
			[ "$client_tls" = 1 ] && procd_append_param command --client-tls
			[ "$client_tls_required" = 1 ] && procd_append_param command --client-tls-required
			[ -n "$client_tls_key" ] && procd_append_param command --client-tls-certificate "$client_tls_key"
			[ -n "$client_tls_certificate" ] && procd_append_param command --client-tls-certificate "$client_tls_certificate"
			[ -n "$client_tls_verify" ] && procd_append_param command --client-tls-verify "$client_tls_verify"
			[ -n "$client_auth" ] && procd_append_param command --client-auth "$client_auth"
			[ -n "$smtp_client_interface" ] && procd_append_param command --client-interface "$smtp_client_interface"
			[ -n "$address_verifier" ] && procd_append_param command --address-verifier "$address_verifier"
			[ -n "$domain" ] && procd_append_param command --domain "$domain"
			[ "$anonymous" = 1 ] && procd_append_param command --anonymous
			[ "$pop" = 1 ] && procd_append_param command --pop
			[ -n "$pop_port" ] && procd_append_param command --pop-port "$pop_port"
			[ -n "$pop_auth" ] && procd_append_param command --pop-auth "$pop_auth"
			[ "$pop_by_name" = 1 ] && procd_append_param command --pop-by-name
			[ -n "$spool_dir" ] && procd_append_param command --spool-dir "$spool_dir"
			[ -n "$delivery_dir" ] && procd_append_param command --delivery-dir "$delivery_dir"
			;;
		"cmdline")
			# empty by intention (just append extra_cmdline)
			;;
		*)
			echo "no mode specified"
			return 1
			;;
	esac

	[ -n "$extra_cmdline" ] && procd_append_param command $extra_cmdline
	procd_append_param command --forward-to-some

	mkdir -p "${spool_dir:-/var/spool/emailrelay}"
	mkdir -p "${delivery_dir:-/var/spool/emailrelay/in}"
	procd_set_param respawn

	procd_close_instance
}


start_service()
{
	config_load "${NAME}"
	config_foreach emailrelay_instance emailrelay
}