#!/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.

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# 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]

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# CDDL HEADER END

#

# Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.

#

# smf_method(5) start/stop script required for server DNS

. /lib/svc/share/smf_include.sh

result=${SMF_EXIT_OK}

# Read command line arguments

method="$1"		# %m

instance="$2" 		# %i

# Set defaults; SMF_FMRI should have been set, but just in case.

if [ -z "$SMF_FMRI" ]; then

    SMF_FMRI="svc:/network/dns/server:${instance}"

fi

server="/usr/sbin/named"

I=`/usr/bin/basename $0`

case "$method" in

'start')

    configuration_file=/etc/named.conf

    rndc_config_file=/etc/rndc.conf

    rndc_key_file=/etc/rndc.key

    rndc_cmd_opts="-a"

    cmdopts=""

    properties="debug_level ip_interfaces listen_on_port

	threads chroot_dir configuration_file server"

    for prop in $properties

    do

	value=`/usr/bin/svcprop -p options/${prop} ${SMF_FMRI}`

	if [ -z "${value}" -o "${value}" = '""' ]; then

	    continue;

	fi

	case $prop in

	'debug_level')

	    if [ ${value} -gt 0 ]; then

		cmdopts="${cmdopts} -d ${value}"

	    fi

	    ;;

	'ip_interfaces')

	    case ${value} in

		'IPv4')

		    cmdopts="${cmdopts} -4";;

		'IPv6')

		    cmdopts="${cmdopts} -6";;

		'all')

		    :	# Default is all, therefore ignore.

		    ;;

		*)

		    echo "$I: Unrecognised value in service instance property" >&2

		    echo "$I: options/${prop} : ${value}" >&2

		    ;;

	    esac

	    ;;

	'listen_on_port')

	    if [ ${value} -gt 0 ]; then

		cmdopts="${cmdopts} -p ${value}"

	    fi

	    ;;

	'threads')

	    if [ ${value} -gt 0 ]; then

		cmdopts="${cmdopts} -n ${value}"

	    fi

	    ;;

	'chroot_dir')

	    cmdopts="${cmdopts} -t ${value}"

	    chroot_dir=${value};

	    ;;

	'configuration_file')

	    cmdopts="${cmdopts} -c ${value}"

	    configuration_file=${value};

	    ;;

	'server')

	    set -- `echo ${value} | /usr/bin/sed -e  's/\\\\//g'`

	    server=$@

	    ;;

	esac

    done

    # If chroot option is set, note zones(5) are preferred, then

    # configuration file lives under chroot directory.

    if [ "${chroot_dir}" != "" ]; then

      configuration_file=${chroot_dir}${configuration_file}

      rndc_config_file=${chroot_dir}${rndc_config_file}

      rndc_key_file=${chroot_dir}${rndc_key_file}

      rndc_cmd_opts="${rndc_cmd_opts} -t ${chroot_dir}"

    fi

    # Check if the rndc config file exists.

    if [ ! -f ${rndc_config_file} ]; then

      # If not, check if the default rndc key file exists.

      if [ ! -f ${rndc_key_file} ]; then

        echo "$I: Creating default rndc key file: ${rndc_key_file}." >&2

        /usr/sbin/rndc-confgen ${rndc_cmd_opts}

        if [ $? -ne 0 ]; then

          echo "$I : Warning: rndc configuration failed! Use of 'rndc' to" \

		    "control 'named' may fail and 'named' may report further error" \

		    "messages to the system log. This is not fatal. For more" \

        fi

      fi

    fi

    # Check configuration file exists.

    if [ ! -f ${configuration_file} ]; then

      msg="$I : Configuration file ${configuration_file} does not exist!"

      echo ${msg} >&2

      /usr/bin/logger -p daemon.error ${msg}

      # dns-server should be placed in maintenance state.

      result=${SMF_EXIT_ERR_CONFIG}

    fi

    if [ ${result} = ${SMF_EXIT_OK} ]; then

	echo "$I: Executing: ${server} ${cmdopts}"

	# good exit code here does not mean the service is ready.

	${server} ${cmdopts}

	result=$?

	if [ $result -ne 0 ]; then

	  echo "$I : start failed! Check syslog for further information." >&2

        fi

    fi

    ;;

'stop')

	smf_kill_contract ${contract} TERM 1

	[ $? -ne 0 ] && exit 1

	;;

*)

	echo "Usage: $I [stop|start] <instance>" >&2

	exit 1

	;;

esac

exit ${result}