#!/sbin/sh

#

#

# CDDL HEADER START

#

# The contents of this file are subject to the terms of the

# Common Development and Distribution License (the "License").

# You may not use this file except in compliance with the License.

#

# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

# or http://www.opensolaris.org/os/licensing.

# See the License for the specific language governing permissions

# and limitations under the License.

#

# When distributing Covered Code, include this CDDL HEADER in each

# file and include the License file at usr/src/OPENSOLARIS.LICENSE.

# If applicable, add the following below this CDDL HEADER, with the

# fields enclosed by brackets "[]" replaced with your own identifying

# information: Portions Copyright [yyyy] [name of copyright owner]

#

# CDDL HEADER END

#

#

# Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.

#

. /lib/svc/share/smf_include.sh

PATH=$PATH:/usr/sbin

# Retrieve an unescaped property value from a method token.

# Arguments:

# - raw method token value

# Outputs:

# - unescaped property value

# Returns:

# - 0 on succes

# - 1 when unescaping failed

# - 2 when the value is empty

function get_property

{

	VALUE="$(echo "$1" | /usr/bin/sed 's/\\\(.\)/\1/g')"

	if [[ $? -ne 0 ]]; then

		exit 1

	fi

	echo "$VALUE"

}

function failure

{

	echo "An unknown error occurred. Probably either /usr/bin/sed is"

	echo "missing or system resources are exhausted."

	exit $SMF_EXIT_ERR_FATAL

}

# store and unescape property values

PFLOGD_LOGFILE="$(get_property "$2")" || failure

PFLOGD_SNAPLEN="$(get_property "$3")" || failure

PFLOGD_IFACE="$(get_property "$4")" || failure

PFLOGD_DELAY="$(get_property "$5")" || failure

PFLOGD_FILTER="$(get_property "$6")" || failure

# check property values for emptiness (pflog/filter may be empty)

if [[ -z $PFLOGD_LOGFILE ]]; then

	echo "The pflog/logfile property cannot be empty."

	exit $SMF_EXIT_ERR_FATAL

fi

if [[ -z $PFLOGD_SNAPLEN ]]; then

	echo "The pflog/snaplen property cannot be empty."

	exit $SMF_EXIT_ERR_FATAL

fi

if [[ -z $PFLOGD_IFACE ]]; then

	echo "The pflog/interface property cannot be empty."

	exit $SMF_EXIT_ERR_FATAL

fi

if [[ -z $PFLOGD_DELAY ]]; then

	echo "The pflog/delay property cannot be empty."

	exit $SMF_EXIT_ERR_FATAL

fi

case "$1" in

	start)

		# Create non-persistent capture link if it does not exist.

		echo "Checking if capture link exists.."

		dladm show-cap "$PFLOGD_IFACE"

		if [[ $? -ne 0 ]] ; then

			echo "Creating a temporary capture link.."

			dladm create-cap -t "$PFLOGD_IFACE"

			if [ $? -ne 0 ] ; then

				exit $SMF_EXIT_ERR_FATAL

			fi

		fi

		# Start the daemon.

		smf_clear_env

		pflogd -i "$PFLOGD_IFACE" -s "$PFLOGD_SNAPLEN" \

		    -f "$PFLOGD_LOGFILE" -d "$PFLOGD_DELAY" "$PFLOGD_FILTER"

		if [[ $? -ne 0 ]] ; then

			exit $SMF_EXIT_ERR_FATAL

		fi

		;;

	*)

		echo "Usage: $0 \c" >&2

		echo "(start)" >&2

		exit 1

		;;

esac

exit $SMF_EXIT_OK