#!/bin/sh

PATH=/bin:/usr/sbin

if [ -z "${SYSCONF_DIR}" ]; then
    SYSCONF_DIR=/usr/local/etc/quagga
fi

if [ -z "${LOCALSTATE_DIR}" ]; then
    LOCALSTATE_DIR=/var/run/quagga
fi

if [ -z "${ENABLE_USER}" ]; then
    ENABLE_USER=quagga
fi

if [ -z "${ENABLE_GROUP}" ]; then
    ENABLE_GROUP=quagga
fi

case $2 in
    POST-INSTALL)
	UID=101
	GID=${UID}
	if pw group show "${ENABLE_GROUP}" 2>/dev/null; then
	    echo "You already have a group \"${ENABLE_GROUP}\", so I will use it."
	else
	    if pw groupadd ${ENABLE_GROUP} -g ${GID}; then
		echo "Added group \"${ENABLE_GROUP}\."
	    else
		echo "Adding group \"${ENABLE_GROUP}\" failed."
		exit 1
	    fi
	fi
	
	if pw user show "${ENABLE_USER}" 2>/dev/null; then
		echo "You already have a user \"${ENABLE_USER}\", so I will use it."
		if pw usermod ${ENABLE_USER} -d ${SYSCONF_DIR}
		then
			echo "Changed home directory of \"${ENABLE_USER}\" to \"${SYSCONF_DIR}\""
		else
			echo "Changing home directory of \"${ENABLE_USER}\" to \"${SYSCONF_DIR}\" failed..."
			exit 1
		fi
	else
		if pw useradd ${ENABLE_USER} -u ${UID} -g ${ENABLE_GROUP} -h - \
			-d ${SYSCONF_DIR} -s /sbin/nologin -c "Quagga Daemon"
		then
			echo "Added user \"${ENABLE_USER}\"."
		else
			echo "Adding user \"${ENABLE_USER}\" failed..."
			exit 1
		fi
	fi

	mkdir ${LOCALSTATE_DIR}
	if [ ! -d ${LOCALSTATE_DIR} ]; then
	    echo "Creating \"${LOCALSTATE_DIR}\" failed."
	    exit 1
	fi
	
	chown -R ${ENABLE_USER}:${ENABLE_GROUP} ${LOCALSTATE_DIR}

	if [ ! -d ${SYSCONF_DIR} ]; then
	    mkdir -p ${SYSCONF_DIR}
	fi
	
	if [ ! -d ${SYSCONF_DIR} ]; then
	    echo "Creating \"${SYSCONF_DIR}\" failed."
	    exit 1
	fi

	chown -R ${ENABLE_USER}:${ENABLE_GROUP} ${SYSCONF_DIR}
	;;
esac