#!/bin/sh

# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0.  If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

set -e

#shellcheck source=conf.sh
. ../conf.sh

dig_with_opts() (
  "$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "${PORT}" "$@"
)

delv_with_opts() (
  "$DELV" -a ns1/trusted.conf -p "${PORT}" "$@"
)

rndccmd() (
  "$RNDC" -c ../_common/rndc.conf -p "${CONTROLPORT}" -s "$@"
)

mkeys_reconfig_on() (
  nsidx=$1
  rndccmd "10.53.0.${nsidx}" reconfig . | sed "s/^/ns${nsidx} /" | cat_i
)

mkeys_reload_on() (
  nsidx=$1
  nextpart "ns${nsidx}"/named.run >/dev/null
  rndc_reload "ns${nsidx}" "10.53.0.${nsidx}"
  wait_for_log 20 "loaded serial" "ns${nsidx}"/named.run || return 1
)

mkeys_resign_rootzone() (
  n=$1
  (
    cd ns1
    sleep 1 # ensure modification time changes
    $SIGNER -PSg -N unixtime -o . root.db >signer.out.test$1 2>&1
  )
  nextpart ns1/named.run >/dev/null
  rndccmd "10.53.0.1" reload . | sed "s/^/ns1 /" | cat_i
  wait_for_log 20 "loaded serial" ns1/named.run || return 1
)

mkeys_refresh_on() (
  nsidx=$1
  nextpart "ns${nsidx}"/named.run >/dev/null
  rndccmd "10.53.0.${nsidx}" managed-keys refresh | sed "s/^/ns${nsidx} /" | cat_i
  wait_for_log 20 "Returned from key fetch in keyfetch_done()" "ns${nsidx}"/named.run || return 1
)

mkeys_sync_on() (
  # No race with mkeys_refresh_on() is possible as even if the latter
  # returns immediately after the expected log message is written, the
  # managed-keys zone is already locked and the command below calls
  # dns_zone_flush(), which also attempts to take that zone's lock
  nsidx=$1
  nextpart "ns${nsidx}"/named.run >/dev/null
  rndccmd "10.53.0.${nsidx}" managed-keys sync | sed "s/^/ns${nsidx} /" | cat_i
  wait_for_log 20 "dump_done" "ns${nsidx}"/named.run || return 1
)

mkeys_status_on() (
  # No race with mkeys_refresh_on() is possible as even if the latter
  # returns immediately after the expected log message is written, the
  # managed-keys zone is already locked and the command below calls
  # mkey_status(), which in turn calls dns_zone_getrefreshkeytime(),
  # which also attempts to take that zone's lock
  nsidx=$1
  rndccmd "10.53.0.${nsidx}" managed-keys status
)

mkeys_flush_on() (
  nsidx=$1
  rndccmd "10.53.0.${nsidx}" flush | sed "s/^/ns${nsidx} /" | cat_i
)

mkeys_secroots_on() (
  nsidx=$1
  rndccmd "10.53.0.${nsidx}" secroots | sed "s/^/ns${nsidx} /" | cat_i
)

original=$(cat ns1/managed.key)
originalid=$(cat ns1/managed.key.id)

status=0
n=1

rm -f dig.out.*

echo_i "check for signed record ($n)"
ret=0
dig_with_opts +norec example. @10.53.0.1 TXT >dig.out.ns1.test$n || ret=1
grep "^example\.[[:space:]]*[0-9]*[[:space:]]*IN[[:space:]]*TXT[[:space:]]*\"This is a test\.\"" dig.out.ns1.test$n >/dev/null || ret=1
grep "^example\.[[:space:]]*[0-9]*[[:space:]]*IN[[:space:]]*RRSIG[[:space:]]*TXT[[:space:]]" dig.out.ns1.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check positive validation with valid trust anchor ($n)"
ret=0
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns2.test$n >/dev/null || ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

if [ -x "$DELV" ]; then
  n=$((n + 1))
  ret=0
  echo_i "check positive validation using delv ($n)"
  delv_with_opts @10.53.0.1 txt example >delv.out$n || ret=1
  grep "; fully validated" delv.out$n >/dev/null || ret=1 # redundant
  grep "example..*TXT.*This is a test" delv.out$n >/dev/null || ret=1
  grep "example..*.RRSIG..*TXT" delv.out$n >/dev/null || ret=1
  if [ $ret != 0 ]; then echo_i "failed"; fi
  status=$((status + ret))
fi

n=$((n + 1))
echo_i "check for failed validation due to wrong key in managed-keys ($n)"
ret=0
dig_with_opts +noauth example. @10.53.0.3 txt >dig.out.ns3.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns3.test$n >/dev/null && ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns3.test$n >/dev/null && ret=1
grep "opcode: QUERY, status: SERVFAIL, id" dig.out.ns3.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check new trust anchor can be added ($n)"
ret=0
standby1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
mkeys_resign_rootzone $n || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# there should be two keys listed now
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# one indicates current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# one indicates pending trust
count=$(grep -c "trust pending" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check new trust anchor can't be added with bad initial key ($n)"
ret=0
mkeys_refresh_on 3 || ret=1
mkeys_status_on 3 >rndc.out.$n 2>&1 || ret=1
# there should be one key listed now
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# one line indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# ... and the key is not trusted
count=$(grep -c "no trust" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "remove untrusted standby key, check timer restarts ($n)"
ret=0
mkeys_sync_on 2 || ret=1
t1=$(grep "trust pending" ns2/managed-keys.bind) || true
$SETTIME -D now -K ns1 "$standby1" >/dev/null
mkeys_resign_rootzone $n || ret=1
# Less than a second may have passed since the last time ns2 received a
# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
# timestamp to prevent false negatives caused by the acceptance timer getting
# reset to the same timestamp.
sleep 1
mkeys_refresh_on 2 || ret=1
mkeys_sync_on 2 || ret=1
t2=$(grep "trust pending" ns2/managed-keys.bind) || true
# trust pending date must be different
[ -n "$t2" ] || ret=1
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
ret=0
echo_i "restore untrusted standby key, revoke original key ($n)"
t1=$t2
$SETTIME -D none -K ns1 "$standby1" >/dev/null
$SETTIME -R now -K ns1 "$original" >/dev/null
mkeys_resign_rootzone $n || ret=1
# Less than a second may have passed since the last time ns2 received a
# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
# timestamp to prevent false negatives caused by the acceptance timer getting
# reset to the same timestamp.
sleep 1
mkeys_refresh_on 2 || ret=1
mkeys_sync_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# trust is revoked
count=$(grep -c "trust revoked" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# removal scheduled
count=$(grep -c "remove at" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# trust is still pending on the standby key
count=$(grep -c "trust pending" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# pending date moved forward for the standby key
t2=$(grep "trust pending" ns2/managed-keys.bind) || true
[ -n "$t2" ] || ret=1
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
ret=0
echo_i "refresh managed-keys, ensure same result ($n)"
t1=$t2
# Less than a second may have passed since the last time ns2 received a
# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
# timestamp to prevent false negatives caused by the acceptance timer getting
# reset to the same timestamp.
sleep 1
mkeys_refresh_on 2 || ret=1
mkeys_sync_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# trust is revoked
count=$(grep -c "trust revoked" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# removal scheduled
count=$(grep -c "remove at" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# trust is still pending on the standby key
count=$(grep -c "trust pending" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# pending date moved forward for the standby key
t2=$(grep "trust pending" ns2/managed-keys.bind) || true
[ -n "$t2" ] || ret=1
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
ret=0
echo_i "restore revoked key, ensure same result ($n)"
t1=$t2
$SETTIME -R none -D now -K ns1 "$original" >/dev/null
mkeys_resign_rootzone $n || ret=1
$SETTIME -D none -K ns1 "$original" >/dev/null
mkeys_resign_rootzone $n || ret=1
# Less than a second may have passed since the last time ns2 received a
# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
# timestamp to prevent false negatives caused by the acceptance timer getting
# reset to the same timestamp.
sleep 1
mkeys_refresh_on 2 || ret=1
mkeys_sync_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# trust is revoked
count=$(grep -c "trust revoked" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# removal scheduled
count=$(grep -c "remove at" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# trust is still pending on the standby key
count=$(grep -c "trust pending" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# pending date moved forward for the standby key
t2=$(grep "trust pending" ns2/managed-keys.bind) || true
[ -n "$t2" ] || ret=1
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "reinitialize trust anchors, add second key to bind.keys"
stop_server --use-rndc --port "${CONTROLPORT}" ns2
rm -f ns2/managed-keys.bind*
keyfile_to_initial_ds ns1/"$original" ns1/"$standby1" >ns2/managed.conf
nextpart ns2/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns2

n=$((n + 1))
echo_i "check that no key from bind.keys is marked as an initializing key ($n)"
ret=0
wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
mkeys_secroots_on 2 || ret=1
grep '; initializing' ns2/named.secroots >/dev/null 2>&1 && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "reinitialize trust anchors, revert to one key in bind.keys"
stop_server --use-rndc --port "${CONTROLPORT}" ns2
rm -f ns2/managed-keys.bind*
mv ns2/managed1.conf ns2/managed.conf
nextpart ns2/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns2

n=$((n + 1))
echo_i "check that standby key is now trusted ($n)"
ret=0
wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# both indicate current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "revoke original key, add new standby ($n)"
ret=0
standby2=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
$SETTIME -R now -K ns1 "$original" >/dev/null
mkeys_resign_rootzone $n || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# three keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# one is revoked
count=$(grep -c "REVOKE" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# three lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# one indicates current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# one indicates revoked trust
count=$(grep -c "trust revoked" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# one indicates trust pending
count=$(grep -c "trust pending" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
# removal scheduled
count=$(grep -c "remove at" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "revoke standby before it is trusted ($n)"
ret=0
standby3=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
mkeys_resign_rootzone $n || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.1.$n 2>&1 || ret=1
# four keys listed
count=$(grep -c "keyid: " rndc.out.1.$n) || true
[ "$count" -eq 4 ] || {
  echo_i "keyid: count ($count) != 4"
  ret=1
}
# one revoked
count=$(grep -c "trust revoked" rndc.out.1.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "trust revoked count ($count) != 1"
  ret=1
}
# two pending
count=$(grep -c "trust pending" rndc.out.1.$n) || true
[ "$count" -eq 2 ] || {
  echo_i "trust pending count ($count) != 2"
  ret=1
}
$SETTIME -R now -K ns1 "$standby3" >/dev/null
mkeys_resign_rootzone $n || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.2.$n 2>&1 || ret=1
# now three keys listed
count=$(grep -c "keyid: " rndc.out.2.$n) || true
[ "$count" -eq 3 ] || {
  echo_i "keyid: count ($count) != 3"
  ret=1
}
# one revoked
count=$(grep -c "trust revoked" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "trust revoked count ($count) != 1"
  ret=1
}
# one pending
count=$(grep -c "trust pending" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "trust pending count ($count) != 1"
  ret=1
}
$SETTIME -D now -K ns1 "$standby3" >/dev/null
mkeys_resign_rootzone $n || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "wait 20 seconds for key add/remove holddowns to expire ($n)"
ret=0
sleep 20
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# none revoked
count=$(grep -c "REVOKE" rndc.out.$n) || true
[ "$count" -eq 0 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# both indicate current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "revoke all keys, confirm roll to insecure ($n)"
ret=0
$SETTIME -D now -K ns1 "$original" >/dev/null
$SETTIME -R now -K ns1 "$standby1" >/dev/null
$SETTIME -R now -K ns1 "$standby2" >/dev/null
mkeys_resign_rootzone $n || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# two keys listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# both revoked
count=$(grep -c "REVOKE" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# both indicate trust revoked
count=$(grep -c "trust revoked" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# both have removal scheduled
count=$(grep -c "remove at" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check for insecure response ($n)"
ret=0
mkeys_refresh_on 2 || ret=1
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns2.test$n >/dev/null && ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "reset the root server ($n)"
ret=0
$SETTIME -D none -R none -K ns1 "$original" >/dev/null
$SETTIME -D now -K ns1 "$standby1" >/dev/null
$SETTIME -D now -K ns1 "$standby2" >/dev/null
sleep 1 # ensure modification time changes
$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db >/dev/null 2>/dev/null
copy_setports ns1/named2.conf.in ns1/named.conf
rm -f ns1/root.db.signed.jnl
mkeys_reconfig_on 1 || ret=1
mkeys_reload_on 1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "reinitialize trust anchors"
stop_server --use-rndc --port "${CONTROLPORT}" ns2
rm -f ns2/managed-keys.bind*
nextpart ns2/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns2

n=$((n + 1))
echo_i "check positive validation ($n)"
ret=0
wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns2.test$n >/dev/null || ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "revoke key with bad signature, check revocation is ignored ($n)"
ret=0
revoked=$($REVOKE -K ns1 "$original")
rkeyid=$(keyfile_to_key_id "$revoked")
rm -f ns1/root.db.signed.jnl
# We need to activate at least one valid DNSKEY to prevent dnssec-signzone from
# failing.  Alternatively, we could use -P to disable post-sign verification,
# but we actually do want post-sign verification to happen to ensure the zone
# is correct before we break it on purpose.
$SETTIME -R none -D none -K ns1 "$standby1" >/dev/null
$SIGNER -Sg -K ns1 -N unixtime -O full -o . -f signer.out.$n ns1/root.db >/dev/null 2>/dev/null
cp -f ns1/root.db.signed ns1/root.db.tmp
BADSIG="SVn2tLDzpNX2rxR4xRceiCsiTqcWNKh7NQ0EQfCrVzp9WEmLw60sQ5kP xGk4FS/xSKfh89hO2O/H20Bzp0lMdtr2tKy8IMdU/mBZxQf2PXhUWRkg V2buVBKugTiOPTJSnaqYCN3rSfV1o7NtC1VNHKKK/D5g6bpDehdn5Gaq kpBhN+MSCCh9OZP2IT20luS1ARXxLlvuSVXJ3JYuuhTsQXUbX/SQpNoB Lo6ahCE55szJnmAxZEbb2KOVnSlZRA6ZBHDhdtO0S4OkvcmTutvcVV+7 w53CbKdaXhirvHIh0mZXmYk2PbPLDY7PU9wSH40UiWPOB9f00wwn6hUe uEQ1Qg=="
# Less than a second may have passed since ns1 was started.  If we call
# dnssec-signzone immediately, ns1/root.db.signed will not be reloaded by the
# subsequent "rndc reload ." call on platforms which do not set the
# "nanoseconds" field of isc_time_t, due to zone load time being seemingly
# equal to master file modification time.
sleep 1
sed -e "/ $rkeyid \./s, \. .*$, . $BADSIG," signer.out.$n >ns1/root.db.signed
mkeys_reload_on 1 || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
# one key listed
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "'keyid:' count ($count) != 1"
  ret=1
}
# it's the original key id
count=$(grep -c "keyid: $originalid" rndc.out.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "'keyid: $originalid' count ($count) != 1"
  ret=1
}
# not revoked
count=$(grep -c "REVOKE" rndc.out.$n) || true
[ "$count" -eq 0 ] || {
  echo_i "'REVOKE' count ($count) != 0"
  ret=1
}
# trust is still current
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "'trust' count != 1"
  ret=1
}
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 1 ] || {
  echo_i "'trusted since' count != 1"
  ret=1
}
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check validation fails with bad DNSKEY rrset ($n)"
ret=0
mkeys_flush_on 2 || ret=1
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "status: SERVFAIL" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "restore DNSKEY rrset, check validation succeeds again ($n)"
ret=0
rm -f "${revoked}".key "${revoked}".private
rm -f ns1/root.db.signed.jnl
$SETTIME -D none -R none -K ns1 "$original" >/dev/null
$SETTIME -D now -K ns1 "$standby1" >/dev/null
# Less than a second may have passed since ns1 was started.  If we call
# dnssec-signzone immediately, ns1/root.db.signed will not be reloaded by the
# subsequent "rndc reload ." call on platforms which do not set the
# "nanoseconds" field of isc_time_t, due to zone load time being seemingly
# equal to master file modification time.
sleep 1
$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db >/dev/null 2>/dev/null
mkeys_reload_on 1 || ret=1
mkeys_flush_on 2 || ret=1
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns2.test$n >/dev/null || ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "reset the root server with no keys, check for minimal update ($n)"
ret=0
# Refresh keys first to prevent previous checks from influencing this one.
# Note that we might still get occasional false negatives on some really slow
# machines, when $t1 equals $t2 due to the time elapsed between "rndc
# managed-keys status" calls being equal to the normal active refresh period
# (as calculated per rules listed in RFC 5011 section 2.3) minus an "hour" (as
# set using -T mkeytimers).
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.1.$n 2>&1 || ret=1
t1=$(grep 'next refresh:' rndc.out.1.$n) || true
stop_server --use-rndc --port "${CONTROLPORT}" ns1
rm -f ns1/root.db.signed.jnl
cp ns1/root.db ns1/root.db.signed
nextpart ns1/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns1
wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.2.$n 2>&1 || ret=1
# one key listed
count=$(grep -c "keyid: " rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
# it's the original key id
count=$(grep -c "keyid: $originalid" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
# not revoked
count=$(grep -c "REVOKE" rndc.out.2.$n) || true
[ "$count" -eq 0 ] || ret=1
# trust is still current
count=$(grep -c "trust" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
count=$(grep -c "trusted since" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
t2=$(grep 'next refresh:' rndc.out.2.$n) || true
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "reset the root server with no signatures, check for minimal update ($n)"
ret=0
# Refresh keys first to prevent previous checks from influencing this one
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.1.$n 2>&1 || ret=1
t1=$(grep 'next refresh:' rndc.out.1.$n) || true
stop_server --use-rndc --port "${CONTROLPORT}" ns1
rm -f ns1/root.db.signed.jnl
cat ns1/K*.key >>ns1/root.db.signed
nextpart ns1/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns1
wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
# Less than a second may have passed since the last time ns2 received a
# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
# timestamp to prevent minimal update from resetting it to the same timestamp.
sleep 1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.2.$n 2>&1 || ret=1
# one key listed
count=$(grep -c "keyid: " rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
# it's the original key id
count=$(grep -c "keyid: $originalid" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
# not revoked
count=$(grep -c "REVOKE" rndc.out.2.$n) || true
[ "$count" -eq 0 ] || ret=1
# trust is still current
count=$(grep -c "trust" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
count=$(grep -c "trusted since" rndc.out.2.$n) || true
[ "$count" -eq 1 ] || ret=1
t2=$(grep 'next refresh:' rndc.out.2.$n) || true
[ "$t1" = "$t2" ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "restore root server, check validation succeeds again ($n)"
ret=0
rm -f ns1/root.db.signed.jnl
$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db >/dev/null 2>/dev/null
mkeys_reload_on 1 || ret=1
mkeys_refresh_on 2 || ret=1
mkeys_status_on 2 >rndc.out.$n 2>&1 || ret=1
dig_with_opts +noauth example. @10.53.0.2 txt >dig.out.ns2.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns2.test$n >/dev/null || ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check that trust-anchor-telemetry queries are logged ($n)"
ret=0
grep "sending trust-anchor-telemetry query '_ta-[0-9a-f]*/NULL" ns2/named.run >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check that trust-anchor-telemetry queries are received ($n)"
ret=0
grep "query '_ta-[0-9a-f][0-9a-f]*/NULL/IN' approved" ns1/named.run >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check 'rndc-managed-keys destroy' ($n)"
ret=0
rndccmd 10.53.0.2 managed-keys destroy | sed 's/^/ns2 /' | cat_i
mkeys_status_on 2 >rndc.out.1.$n 2>&1 || ret=1
grep "no views with managed keys" rndc.out.1.$n >/dev/null || ret=1
mkeys_reconfig_on 2 || ret=1
check_root_trust_anchor_is_present_in_status() {
  mkeys_status_on 2 >rndc.out.2.$n 2>&1 || return 1
  grep "name: \." rndc.out.2.$n >/dev/null || return 1
  return 0
}
retry_quiet 5 check_root_trust_anchor_is_present_in_status || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check that trust-anchor-telemetry queries contain the correct key ($n)"
ret=0
# convert the hexadecimal key from the TAT query into decimal and
# compare against the known key.
tathex=$(grep "query '_ta-[0-9a-f][0-9a-f]*/NULL/IN' approved" ns1/named.run | awk '{print $6; exit 0}' | sed -e 's/(_ta-\([0-9a-f][0-9a-f]*\)):/\1/') || true
tatkey=$($PERL -e 'printf("%d\n", hex(@ARGV[0]));' "$tathex")
realkey=$(rndccmd 10.53.0.2 secroots - | sed -n "s#.*${DEFAULT_ALGORITHM}/\([0-9][0-9]*\) ; .*managed.*#\1#p")
[ "$tatkey" -eq "$realkey" ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check initialization fails if managed-keys can't be created ($n)"
ret=0
mkeys_secroots_on 4 || ret=1
grep '; initializing managed' ns4/named.secroots >/dev/null 2>&1 || ret=1
grep '; managed' ns4/named.secroots >/dev/null 2>&1 && ret=1
grep '; trusted' ns4/named.secroots >/dev/null 2>&1 && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check failure to contact root servers does not prevent key refreshes after restart ($n)"
ret=0
# By the time we get here, ns5 should have attempted refreshing its managed
# keys.  These attempts should fail as ns1 is configured to REFUSE all queries
# from ns5.  Note that named1.args does not contain "-T mkeytimers"; this is to
# ensure key refresh retry will be scheduled to one actual hour after the first
# key refresh failure instead of just a few seconds, in order to prevent races
# between the next scheduled key refresh time and startup time of restarted ns5.
stop_server --use-rndc --port "${CONTROLPORT}" ns5
nextpart ns5/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns5
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.':" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld':" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo':" ns5/named.run || ret=1
# ns5/named.run will contain logs from both the old instance and the new
# instance.  In order for the test to pass, both must attempt a fetch.
count=$(grep -c "Creating key fetch" ns5/named.run) || true
[ "$count" -lt 2 ] && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check 'rndc managed-keys' and islands of trust root unreachable ($n)"
ret=0
mkeys_sync_on 5
mkeys_status_on 5 >rndc.out.$n 2>&1 || ret=1
# there should be three keys listed now
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# three lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# one indicates current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 1 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check key refreshes are resumed after root servers become available ($n)"
ret=0
stop_server --use-rndc --port "${CONTROLPORT}" ns5
# Prevent previous check from affecting this one
rm -f ns5/managed-keys.bind*
# named2.args adds "-T mkeytimers=2/20/40" to named1.args as we need to wait for
# an "hour" until keys are refreshed again after initial failure
cp ns5/named2.args ns5/named.args
nextpart ns5/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns5
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.': failure" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld': failure" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo': success" ns5/named.run || ret=1
mkeys_secroots_on 5 || ret=1
grep '; initializing managed' ns5/named.secroots >/dev/null 2>&1 || ret=1
# ns1 should still REFUSE queries from ns5, so resolving should be impossible
dig_with_opts +noauth example. @10.53.0.5 txt >dig.out.ns5.a.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns5.a.test$n >/dev/null && ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns5.a.test$n >/dev/null && ret=1
grep "status: SERVFAIL" dig.out.ns5.a.test$n >/dev/null || ret=1
# Allow queries from ns5 to ns1
copy_setports ns1/named3.conf.in ns1/named.conf
rm -f ns1/root.db.signed.jnl
nextpart ns5/named.run >/dev/null
mkeys_reconfig_on 1 || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.': success" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld': success" ns5/named.run || ret=1
wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo': success" ns5/named.run || ret=1
mkeys_secroots_on 5 || ret=1
grep '; managed' ns5/named.secroots >/dev/null || ret=1
# ns1 should not longer REFUSE queries from ns5, so managed keys should be
# correctly refreshed and resolving should succeed
dig_with_opts +noauth example. @10.53.0.5 txt >dig.out.ns5.b.test$n || ret=1
grep "flags:.*ad.*QUERY" dig.out.ns5.b.test$n >/dev/null || ret=1
grep "example..*.RRSIG..*TXT" dig.out.ns5.b.test$n >/dev/null || ret=1
grep "status: NOERROR" dig.out.ns5.b.test$n >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "reinitialize trust anchors, add unsupported algorithm ($n)"
ret=0
stop_server --use-rndc --port "${CONTROLPORT}" ns6
rm -f ns6/managed-keys.bind*
nextpart ns6/named.run >/dev/null
start_server --noclean --restart --port "${PORT}" ns6
# log when an unsupported algorithm is encountered during startup
wait_for_log 20 "ignoring initial-key for 'unsupported.': algorithm is unsupported" ns6/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "ignoring unsupported algorithm in managed-keys ($n)"
ret=0
mkeys_status_on 6 >rndc.out.$n 2>&1 || ret=1
# there should still be only two keys listed (for . and island.)
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1

n=$((n + 1))
echo_i "introduce unsupported algorithm rollover in authoritative zone ($n)"
ret=0
cp ns1/root.db ns1/root.db.orig
ksk=$(cat ns1/managed.key)
zsk=$(cat ns1/zone.key)
cat "ns1/${ksk}.key" "ns1/${zsk}.key" ns1/unsupported.key >>ns1/root.db
grep "\.[[:space:]]*IN[[:space:]]*DNSKEY[[:space:]]*257 3 255" ns1/root.db >/dev/null || ret=1
$SIGNER -K ns1 -N unixtime -o . ns1/root.db "$ksk" "$zsk" >/dev/null 2>/dev/null || ret=1
grep "DNSKEY.*257 3 255" ns1/root.db.signed >/dev/null || ret=1
cp ns1/root.db.orig ns1/root.db
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "ignoring unsupported algorithm in rollover ($n)"
ret=0
mkeys_reload_on 1 || ret=1
mkeys_refresh_on 6 || ret=1
mkeys_status_on 6 >rndc.out.$n 2>&1 || ret=1
# there should still be only two keys listed (for . and island.)
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# two lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 2 ] || ret=1
# log when an unsupported algorithm is encountered during rollover
wait_for_log 20 "Cannot compute tag for key in zone .: algorithm is unsupported" ns6/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check 'rndc managed-keys' and views ($n)"
ret=0
rndccmd 10.53.0.7 managed-keys refresh in view1 >rndc.out.ns7.view1.test$n || ret=1
grep "refreshing managed keys for 'view1'" rndc.out.ns7.view1.test$n >/dev/null || ret=1
lines=$(wc -l <rndc.out.ns7.view1.test$n)
[ "$lines" -eq 1 ] || ret=1
rndccmd 10.53.0.7 managed-keys refresh >rndc.out.ns7.view2.test$n || ret=1
lines=$(wc -l <rndc.out.ns7.view2.test$n)
grep "refreshing managed keys for 'view1'" rndc.out.ns7.view2.test$n >/dev/null || ret=1
grep "refreshing managed keys for 'view2'" rndc.out.ns7.view2.test$n >/dev/null || ret=1
[ "$lines" -eq 2 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

n=$((n + 1))
echo_i "check 'rndc managed-keys' and islands of trust now that root is reachable ($n)"
ret=0
mkeys_sync_on 5
mkeys_status_on 5 >rndc.out.$n 2>&1 || ret=1
# there should be three keys listed now
count=$(grep -c "keyid: " rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# theee lines indicating trust status
count=$(grep -c "trust" rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
# three indicates current trust
count=$(grep -c "trusted since" rndc.out.$n) || true
[ "$count" -eq 3 ] || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1
