122 lines
2.7 KiB
Bash
Executable File
122 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: local_unbound
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# REQUIRE: FILESYSTEMS defaultroute netwait resolv
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# BEFORE: NETWORKING
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# KEYWORD: shutdown
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. /etc/rc.subr
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name="local_unbound"
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desc="Local caching forwarding resolver"
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rcvar="local_unbound_enable"
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command="/usr/sbin/local-unbound"
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extra_commands="anchor configtest reload setup"
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start_precmd="local_unbound_prestart"
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start_postcmd="local_unbound_poststart"
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reload_precmd="local_unbound_configtest"
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anchor_cmd="local_unbound_anchor"
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configtest_cmd="local_unbound_configtest"
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setup_cmd="local_unbound_setup"
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pidfile="/var/run/${name}.pid"
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load_rc_config $name
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: ${local_unbound_workdir:=/var/unbound}
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: ${local_unbound_config:=${local_unbound_workdir}/unbound.conf}
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: ${local_unbound_flags:="-c ${local_unbound_config}"}
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: ${local_unbound_forwardconf:=${local_unbound_workdir}/forward.conf}
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: ${local_unbound_controlconf:=${local_unbound_workdir}/control.conf}
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: ${local_unbound_anchor:=${local_unbound_workdir}/root.key}
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: ${local_unbound_forwarders:=}
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: ${local_unbound_tls:=}
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do_as_unbound()
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{
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echo "$@" | su -m unbound
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}
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#
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# Retrieve or update the DNSSEC root anchor
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#
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local_unbound_anchor()
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{
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do_as_unbound ${command}-anchor -a ${local_unbound_anchor}
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# we can't trust the exit code - check if the file exists
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[ -f ${local_unbound_anchor} ]
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}
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#
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# Check the unbound configuration file
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#
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local_unbound_configtest()
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{
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do_as_unbound ${command}-checkconf ${local_unbound_config}
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}
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#
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# Create the unbound configuration file and update resolv.conf to
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# point to unbound.
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#
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local_unbound_setup()
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{
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local tls_flag
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if checkyesno local_unbound_tls ; then
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tls_flag="-t"
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fi
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echo "Performing initial setup."
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${command}-setup -n \
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-u unbound \
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-w ${local_unbound_workdir} \
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-c ${local_unbound_config} \
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-f ${local_unbound_forwardconf} \
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-o ${local_unbound_controlconf} \
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-a ${local_unbound_anchor} \
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${tls_flag} \
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${local_unbound_forwarders}
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}
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#
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# Before starting, check that the configuration file and root anchor
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# exist. If not, attempt to generate them.
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#
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local_unbound_prestart()
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{
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# Create configuration file
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if [ ! -f ${local_unbound_config} ] ; then
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run_rc_command setup
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fi
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# Retrieve DNSSEC root key
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if [ ! -s ${local_unbound_anchor} ] ; then
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run_rc_command anchor
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fi
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}
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#
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# After starting, wait for Unbound to report that it is ready to avoid
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# race conditions with services which require functioning DNS.
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#
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local_unbound_poststart()
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{
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local retry=5
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echo -n "Waiting for nameserver to start..."
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until "${command}-control" status | grep -q "is running" ; do
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if [ $((retry -= 1)) -eq 0 ] ; then
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echo " giving up"
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return 1
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fi
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echo -n "."
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sleep 1
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done
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echo " good"
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}
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load_rc_config $name
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run_rc_command "$1"
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