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106 lines
3.0 KiB
106 lines
3.0 KiB
#!/bin/sh
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##############################################################################
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# Copyright (C) 2016 Eric Luehrsen
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#
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##############################################################################
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#
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# This component needs to be used within the unbound.sh as an include. It uses
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# defaults and UCI scope variables defined there. It will copy root.key back
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# to /etc/unbound/ periodically, but avoid ROM flash abuse (UCI option).
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#
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##############################################################################
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rootzone_uci() {
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# TODO: Just structure to real UCI coming soon.
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echo
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}
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##############################################################################
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roothints_update() {
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# TODO: Maybe this will not be implemented.
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echo
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}
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##############################################################################
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rootkey_update() {
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local basekey_date rootkey_date rootkey_age filestuff
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# TODO: Just structure to real UCI coming soon.
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if [ "$UNBOUND_N_ROOT_AGE" -gt 90 -o "$UNBOUND_B_DNSSEC" -lt 1 ] ; then
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# Feature disabled
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return 0
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fi
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if [ -f /etc/unbound/root.key ] ; then
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basekey_date=$( date -r /etc/unbound/root.key +%s )
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else
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# No persistent storage key
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basekey_date=$( date -d 2000-01-01 +%s )
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fi
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if [ -f "$UNBOUND_KEYFILE" ] ; then
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# Unbound maintains it itself
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rootkey_date=$( date -r $UNBOUND_KEYFILE +%s )
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rootkey_age=$(( (rootkey_date - basekey_date) / 86440 ))
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elif [ -x "$UNBOUND_ANCHOR" ] ; then
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# No tmpfs key - use unbound-anchor
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rootkey_date=$( date -I +%s )
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rootkey_age=$(( (rootkey_date - basekey_date) / 86440 ))
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$UNBOUND_ANCHOR -a $UNBOUND_KEYFILE
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else
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# give up
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rootkey_age=0
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fi
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if [ "$rootkey_age" -gt "$UNBOUND_N_ROOT_AGE" ] ; then
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filestuff=$( cat $UNBOUND_KEYFILE )
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case "$filestuff" in
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*NOERROR*)
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# Header comment for drill and dig
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logger -t unbound -s "root.key updated after $rootkey_age days"
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cp -p $UNBOUND_KEYFILE /etc/unbound/root.key
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;;
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*"state=2 [ VALID ]"*)
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# Comment inline to key for unbound-anchor
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logger -t unbound -s "root.key updated after $rootkey_age days"
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cp -p $UNBOUND_KEYFILE /etc/unbound/root.key
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;;
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*)
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logger -t unbound -s "root.key still $rootkey_age days old"
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;;
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esac
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fi
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}
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##############################################################################
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rootzone_update() {
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rootzone_uci
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roothints_update
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rootkey_update
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}
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##############################################################################
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