#!/bin/ksh93

# Start/Stop Dovecot IMAP/POP server

. /lib/svc/share/smf_include.sh

CONFIG=/etc/dovecot/dovecot.conf
BASEDIR=@CLIENT_BASEDIR@

DOVECOT="${BASEDIR}/sbin/dovecot"
DOVECONF="${BASEDIR}/sbin/doveconf"

# Since stupid IPS does not support post install scripts :(
function postInstall {
	# do nothing if the default config already exists or templates don't
	[[ -e /etc/dovecot/dovecot.conf || ! -d /etc/dovecot/original ]] && return

	cp -p /etc/dovecot/original/dovecot.conf /etc/dovecot/
	[[ -d /etc/dovecot/conf.d  ]] && return

	cp -pr /etc/dovecot/original/conf.d /etc/dovecot/

	# Add ports if missing to /etc/services
	if [[ ! -e /etc/services  ]]; then
		cp /dev/null /etc/services
		chmod 644 /etc/services
	fi
	typeset -A S
	typeset SVC PP TAIL
	while read SVC PP TAIL ; do
		[[ -z ${SVC} || ${SVC:0:1} == '#' ]] && continue
		S["${SVC}"]="${PP}"
	done < /etc/services
	typeset -A SVCS
	SVCS[pop2]=( pp='109/tcp pop pop-2' desc='# Post Office Protocol - Vers. 2' )
	SVCS[pop3]=( pp='110/tcp' desc='# Post Office Protocol - Vers. 3' )
	SVCS[imap]=( pp='143/tcp' desc='# Internet Mail Access Protocol v2' )
	SVCS[imaps]=( pp='993/tcp' desc='# Internet Mail Access Protocol v2 over SSL/TLS' )
	SVCS[pop3s]=( pp='995/tcp' desc='# Post Office Protocol v2 over SSL/TLS' )
	TAIL=''
	for SVC in ${!SVCS[@]} ; do
		PP="${S[${SVC}]}"
		[[ -z ${PP} || ${PP: -4} != '/tcp' ]] && \
			TAIL+="${SVC}\t\t${SVCS[${SVC}].pp}\t\t${SVCS[${SVC}].desc}\n"
	done
	[[ -n ${TAIL} ]] && print -n "${TAIL}" >>/etc/services

	# Install default SSL stuff
	PP='/etc/ssl/certs/dovecot.pem'
	[[ -f ${PP}.default && ! -e ${PP} ]] && cp -p "${PP}.default" "${PP}"
	PP='/etc/ssl/keys/dovecot.pem'
	[[ -f ${PP}.default && ! -e ${PP} ]] && cp -p "${PP}.default" "${PP}"
}

function checkConfig {
	[[ -z ${SMF_FMRI} ]] && SMF_FMRI='dovecot:default'
	typeset VAL="${ svcprop -p config/file ${SMF_FMRI} 2>/dev/null ; }"
	[[ ${VAL} == '""' || -z ${VAL} ]] && VAL="${CONFIG}"
	[[ ${VAL} == "${CONFIG}" ]] && postInstall
	CONFIG="${VAL}"
}

function getRunDir {
	checkConfig
	if [[ -x ${DOVECONF} ]]; then
		RUNDIR=${ "${DOVECONF}" -c "${CONFIG}" base_dir 2>/dev/null ; }
		RUNDIR="${RUNDIR#*= }"
	fi
	if [[ -z ${RUNDIR} ]]; then
		print -u2 "No base_dir property set in '${CONFIG}' - exiting."
		exit ${SMF_EXIT_ERR_CONFIG}
	fi
}

RUNDIR=''
ZN=${ /sbin/zonename ; }
[[ ${ZN} == 'global' ]] && ZPPID=1 || ZPPID=${ pgrep -x zsched 2>/dev/null ; }

case "$1" in
start)
	if [[ ! -x ${DOVECOT} ]]; then
		print -u2 "'${DOVECOT}' is not executable"
		exit ${SMF_EXIT_ERR_FATAL}
	fi
	getRunDir
	if [[ ! -f ${CONFIG} ]]; then
		print -u2 "Missing config file '${CONFIG}'"
		exit ${SMF_EXIT_ERR_CONFIG}
	fi
	if [[ ! -d ${RUNDIR} ]]; then
		mkdir -p "${RUNDIR}"
		if (( $? )); then
			print -u2 "Unable to create directory '${RUNDIR}'"
			exit ${SMF_EXIT_ERR_CONFIG}
		fi
	fi
	chmod 0755 "${RUNDIR}"
	PID=${ pgrep -u 0 -P ${ZPPID} "${DOVECOT}" 2>/dev/null ; }
	if [[ -n ${PID} ]]; then
		print -u2 "'${DOVECOT}' is already running"
		exit ${SMF_EXIT_OK}
	fi
	ulimit -S -n ${ ulimit -H -n ; }
	"${DOVECOT}" -c "${CONFIG}" || exit ${SMF_EXIT_ERR_FATAL}
	;;
refresh)
	pkill -HUP -u 0 -P ${ZPPID} "${DOVECOT}"
	;;
stop)
	getRunDir
	if [[ -f ${RUNDIR}/master.pid ]]; then
		kill -INT $(< "${RUNDIR}/master.pid")
	fi
	PID=${ pgrep -u 0 -P ${ZPPID} "${DOVECOT}" 2>/dev/null ; }
	[[ -n ${PID} ]] && pkill -INT -u 0 -P ${ZPPID} "${DOVECOT}"
	;;
dump)
	# dump config
	[[ -x ${DOVECOT} ]] && "${DOVECOT}" -a
	;;
dumpnd)
	# dump non-default config values
	[[ -x ${DOVECOT} ]] && "${DOVECOT}" -n
	;;
buildopts)
	# dump build options
	[[ -x ${DOVECOT} ]] && \
		"${DOVECOT}" --build-options
	;;
*)
	print "Usage: $0 { start | stop | refresh | dump | dumpnd | buildopts }"
	exit 1
	;;
esac
exit ${SMF_EXIT_OK}