#!/bin/sh /etc/rc.common
# Copyright (C) 2014 OpenWrt.org

START=50
STOP=50
EXTRA_COMMANDS="status abort flush"
EXTRA_HELP="	status	Display the service status
	abort	Stop the service abruptly. Running processes are signaled to stop immediately
	flush	Force delivery: attempt to deliver every message in the deferred mail queue"

upgrade() {
	config_directory="$IPKG_INSTROOT"/etc/postfix

	if [ -f "$config_directory"/opkg_postinst ]; then
		rm -f "$config_directory"/opkg_postinst

		group_exists postfix || group_add postfix 87
		user_exists postfix || user_add postfix 87
		group_exists postdrop || group_add postdrop 88

		echo "myhostname = $(uci get system.@system[0].hostname)" >> "$config_directory"/main.cf.default
		echo "mydomain = $(uci get system.@system[0].hostname|sed -e "s/[^\.]*\.\(.*\)/\1/")" >> "$config_directory"/main.cf.default
		(eval $(ipcalc.sh $(uci get network.lan.ipaddr) $(uci get network.lan.netmask)); echo mynetworks = 127.0.0.0/8 $NETWORK/$PREFIX) >> "$config_directory"/main.cf.default
		echo "mynetworks_style = subnet" >> "$config_directory"/main.cf.default

		grep -qc "^sendmail_path[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^sendmail_path =" "$config_directory"/main.cf.default)"
		grep -qc "^newaliases_path[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^newaliases_path =" "$config_directory"/main.cf.default)"
		grep -qc "^mailq_path[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mailq_path =" "$config_directory"/main.cf.default)"
		grep -qc "^html_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^html_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^manpage_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^manpage_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^sample_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^sample_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^readme_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^readme_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^command_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^command_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^daemon_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^daemon_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^data_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^data_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^queue_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^queue_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^config_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^config_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^mail_spool_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mail_spool_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^mail_owner[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mail_owner =" "$config_directory"/main.cf.default)"
		grep -qc "^setgid_group[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^setgid_group =" "$config_directory"/main.cf.default)"
		grep -qc "^myhostname[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^myhostname =" "$config_directory"/main.cf.default)"
		grep -qc "^mydomain[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mydomain =" "$config_directory"/main.cf.default)"
		#grep -qc "^mynetworks[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mynetworks =" "$config_directory"/main.cf.default)" #Setting mynetworks_style is enough
		grep -qc "^mynetworks_style[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^mynetworks_style =" "$config_directory"/main.cf.default)"
		grep -qc "^shlib_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^shlib_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^meta_directory[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^meta_directory =" "$config_directory"/main.cf.default)"
		grep -qc "^smtputf8_enable[^_]" "$config_directory"/main.cf >/dev/null || postconf -e "$(grep "^smtputf8_enable =" "$config_directory"/main.cf.default)"

		postfix set-permissions
		postfix post-install upgrade-source
		postfix upgrade-configuration
		newaliases
		postmap "$config_directory"/virtual
		postfix check
	fi
}

start() {
	upgrade
	postfix start
}

stop() {
	postfix stop
}

reload() {
	upgrade
	postfix reload
}

status() {
	postfix status
}

abort() {
	postfix abort
}

flush() {
	postfix flush
}