bind/Solaris/dns-server.sh

#!/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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# fields enclosed by brackets "[]" replaced with your own identifying
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# Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
#

# smf_method(7) 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
    listener_threads crypto_engine"

    for prop in $properties
    do
    value=`/usr/bin/svcprop -p options/${prop} ${SMF_FMRI}`
    if [ -z "${value}" -o "${value}" = '""' ]; then
        # Could not find property or it has no value.
        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 ${value} | /usr/bin/sed -e  's/\\\\//g'`
        server=$@
        ;;
    'listener_threads')
        if [ ${value} -gt 0 ]; then
        cmdopts="${cmdopts} -U ${value}"
        fi
        ;;
    'crypto_engine')
        # Use '' to specify an empty name.
        cmdopts="${cmdopts} -E ${value}"
        ;;
    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" \
            "information see rndc(8) and rndc-confgen(8)." >&2
        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}"
    # Execute named(8) with relevant command line options.  Note
    # the server forks before reading named.conf(5) and so a
    # 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}