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###################################################################
#
#       This script is a part of the pam_script_ses_open script
#       and is not stand-alone!
#

if ! grep -q "^${PAM_USER}:" "/etc/passwd"; then
	
	if [ -z "$VOLUME" -o -z "$REAL_ACCOUNT" ]; then
		# determine fileserver and share for home directories
		touch "/tmp/ldapsearch.${PAM_USER}"
		chmod 0600 "/tmp/ldapsearch.${PAM_USER}"
		ldapsearch -x -LLL uid="${PAM_USER}" homeMount realAccount > "/tmp/ldapsearch.${PAM_USER}" 2>/dev/null || \
			{ slxlog "pam-ad-ldapquery" "Could not query LDAP server for parameters of user '${PAM_USER}'."; exit 1; }
		VOLUME=$(cat "/tmp/ldapsearch.${PAM_USER}" | grep ^homeMount | head -n 1 | cut -d" " -f2)
		[ -z "${VOLUME}" ] && slxlog "pam-ad-ldapvolume" "LDAP server did not provide 'homeMount'. Aborting mount for ${PAM_USER}." && exit 1
		[ -z "$REAL_ACCOUNT" ] && REAL_ACCOUNT=$(cat "/tmp/ldapsearch.${PAM_USER}" | grep ^realAccount | head -n 1 | cut -d" " -f2)
		[ -z "$REAL_ACCOUNT" ] && REAL_ACCOUNT="$PAM_USER"
	fi
	
	MOUNT_OPTS="-v -t cifs -o uid=${USER_UID},gid=${USER_GID},forceuid,forcegid,sec=ntlm"
	
	SIGNAL=$(mktemp)
	rm -f -- "${SIGNAL}"
	
	export USER="${REAL_ACCOUNT}"
	export PASSWD="${PAM_AUTHTOK}"
	
	( mount ${MOUNT_OPTS} "${VOLUME}" "${PERSISTENT_HOME_DIR}" > "/tmp/home.$PAM_USER" 2>&1 || touch "${SIGNAL}" ) &
	MOUNT_PID=$!
	for COUNTER in 1 2 4 4; do
		kill -0 "${MOUNT_PID}" 2>/dev/null || break
		sleep "${COUNTER}"
	done
	
	if [ -e "${SIGNAL}" ]; then
		slxlog "pam-ad-mount" "Mount of '${VOLUME}' to '${PERSISTENT_HOME_DIR}' failed. (Args: ${MOUNT_OPTS})" "/tmp/home.$PAM_USER"
		sleep 1
		rm -f -- "${SIGNAL}"
	elif kill -9 "${MOUNT_PID}" 2>/dev/null; then
		slxlog "pam-ad-mount" "Mount of '${VOLUME}' to '${PERSISTENT_HOME_DIR}' timed out. (Args: ${MOUNT_OPTS})" "/tmp/home.$PAM_USER"
		sleep 1
	else
		PERSISTENT_OK=yes
		chmod -R u+rw "${PERSISTENT_HOME_DIR}" 2>/dev/null
	fi
	
	unset USER
	unset PASSWD
	
	rm -f -- "/tmp/home.$PAM_USER"
fi