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bind9/bin/tests/system/cookie/tests.sh
Ondřej Surý 6f317f27ea Fix the thread safety in the dns_dispatch unit 
The dispatches are not thread-bound, and used freely between various
threads (see the dns_resolver and dns_request units for details).

This refactoring make sure that all non-const dns_dispatch_t and
dns_dispentry_t members are accessed under a lock, and both object now
track their internal state (NONE, CONNECTING, CONNECTED, CANCELED)
instead of guessing the state from the state of various struct members.

During the refactoring, the artificial limit DNS_DISPATCH_SOCKSQUOTA on
UDP sockets per dispatch was removed as the limiting needs to happen and
happens on in dns_resolver and limiting the number of UDP sockets
artificially in dispatch could lead to unpredictable behaviour in case
one dispatch has the limit exhausted by others are idle.

The TCP artificial limit of DNS_DISPATCH_MAXREQUESTS makes even less
sense as the TCP connections are only reused in the dns_request API
that's not a heavy user of the outgoing connections.

As a side note, the fact that UDP and TCP dispatch pretends to be same
thing, but in fact the connected UDP is handled from dns_dispentry_t and
dns_dispatch_t acts as a broker, but connected TCP is handled from
dns_dispatch_t and dns_dispatchmgr_t acts as a broker doesn't really
help the clarity of this unit.

This refactoring kept to API almost same - only dns_dispatch_cancel()
and dns_dispatch_done() were merged into dns_dispatch_done() as we need
to cancel active netmgr handles in any case to not leave dangling
connections around.  The functions handling UDP and TCP have been mostly
split to their matching counterparts and the dns_dispatch_<function>
functions are now thing wrappers that call <udp|tcp>_dispatch_<function>
based on the socket type.

More debugging-level logging was added to the unit to accomodate for
this fact.
2022-12-19 11:42:13 +01:00

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#!/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.
. ../conf.sh
DIGOPTS="-p ${PORT}"
RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
status=0
n=0
getcookie() {
awk '$2 == "COOKIE:" {
print $3;
}' < $1
}
fullcookie() {
awk 'BEGIN { n = 0 }
// { v[n++] = length(); }
END { print (v[1] == v[2]); }'
}
havetc() {
grep 'flags:.* tc[^;]*;' $1 > /dev/null
}
for bad in bad*.conf
do
n=`expr $n + 1`
echo_i "checking that named-checkconf detects error in $bad ($n)"
ret=0
$CHECKCONF $bad > /dev/null 2>&1 && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
done
for good in good*.conf
do
n=`expr $n + 1`
echo_i "checking that named-checkconf detects accepts $good ($n)"
ret=0
$CHECKCONF $good > /dev/null 2>&1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
done
n=`expr $n + 1`
echo_i "checking RCODE=FORMERR to query without question section and without COOKIE option ($n)"
ret=0
$DIG $DIGOPTS +qr +header-only +nocookie version.bind txt ch @10.53.0.1 > dig.out.test$n
grep COOKIE: dig.out.test$n > /dev/null && ret=1
grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking RCODE=NOERROR to query without question section and with COOKIE option ($n)"
ret=0
$DIG $DIGOPTS +qr +header-only +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n
grep COOKIE: dig.out.test$n > /dev/null || ret=1
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking COOKIE token is returned to empty COOKIE option ($n)"
ret=0
$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n
grep COOKIE: dig.out.test$n > /dev/null || ret=1
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking COOKIE is not returned when answer-cookie is false ($n)"
ret=0
$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.7 > dig.out.test$n
grep COOKIE: dig.out.test$n > /dev/null && ret=1
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking response size without COOKIE ($n)"
ret=0
$DIG $DIGOPTS large.example txt @10.53.0.1 +ignore > dig.out.test$n
havetc dig.out.test$n || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking response size without valid COOKIE ($n)"
ret=0
$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n
havetc dig.out.test$n || ret=1
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking response size with COOKIE ($n)"
ret=0
$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 > dig.out.test$n.l
cookie=`getcookie dig.out.test$n.l`
$DIG $DIGOPTS +qr +cookie=$cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n
havetc dig.out.test$n && ret=1
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking response size with COOKIE recursive ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie=$cookie large.xxx txt @10.53.0.1 +ignore > dig.out.test$n
havetc dig.out.test$n && ret=1
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking COOKIE is learnt for TCP retry ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie large.example txt @10.53.0.1 > dig.out.test$n
linecount=`getcookie dig.out.test$n | wc -l`
if [ $linecount != 3 ]; then ret=1; fi
checkfull=`getcookie dig.out.test$n | fullcookie`
if [ $checkfull != 1 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking for COOKIE value in adb ($n)"
ret=0
rndc_dumpdb ns1
grep "10.53.0.2.*\[cookie=" ns1/named_dump.db.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking require-server-cookie default (no) ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.1 > dig.out.test$n
grep BADCOOKIE dig.out.test$n > /dev/null && ret=1
linecount=`getcookie dig.out.test$n | wc -l`
if [ $linecount != 2 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking require-server-cookie yes ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.3 > dig.out.test$n
grep "flags: qr[^;]* aa[ ;]" dig.out.test$n > /dev/null && ret=1
grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
linecount=`getcookie dig.out.test$n | wc -l`
if [ $linecount != 2 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking +qr +showbadcookie ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie +showbadcookie soa @10.53.0.3 > dig.out.test$n
noerror=$(grep "status: NOERROR" dig.out.test$n | wc -l)
badcookie=$(grep "status: BADCOOKIE" dig.out.test$n | wc -l)
server=$(grep "COOKIE: ................................................" dig.out.test$n | wc -l)
good=$(grep "COOKIE: ................................................ (good)" dig.out.test$n | wc -l)
linecount=`getcookie dig.out.test$n | wc -l`
if [ $noerror != 3 ]; then ret=1; fi
if [ $badcookie != 1 ]; then ret=1; fi
if [ $server != 3 ]; then ret=1; fi
if [ $good != 2 ]; then ret=1; fi
if [ $linecount != 4 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking +showbadcookie ($n)"
ret=0
$DIG $DIGOPTS +cookie +showbadcookie soa @10.53.0.3 > dig.out.test$n
noerror=$(grep "status: NOERROR" dig.out.test$n | wc -l)
badcookie=$(grep "status: BADCOOKIE" dig.out.test$n | wc -l)
server=$(grep "COOKIE: ................................................" dig.out.test$n | wc -l)
good=$(grep "COOKIE: ................................................ (good)" dig.out.test$n | wc -l)
linecount=`getcookie dig.out.test$n | wc -l`
if [ $noerror != 1 ]; then ret=1; fi
if [ $badcookie != 1 ]; then ret=1; fi
if [ $server != 2 ]; then ret=1; fi
if [ $good != 2 ]; then ret=1; fi
if [ $linecount != 2 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking require-server-cookie yes with rate-limit ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie +nobadcookie soa example @10.53.0.8 > dig.out.test$n
grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
linecount=`getcookie dig.out.test$n | wc -l`
if [ $linecount != 2 ]; then ret=1; fi
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "checking 'server <prefix> { require-cookie yes; };' triggers TCP when cookie not returned ($n)"
ret=0
nextpart ns8/named.run > /dev/null
$DIG $DIGOPTS +cookie soa from-no-cookie-server.example @10.53.0.8 > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
wait_for_log_peek 3 "missing required cookie from 10.53.0.7#" ns8/named.run || ret=1
wait_for_log_peek 3 "connected from" ns8/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "send undersized cookie ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie=000000 soa @10.53.0.1 > dig.out.test$n || ret=1
grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "send oversized for named cookie ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.1 > dig.out.test$n || ret=1
grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "send oversized for named cookie with server requiring a good cookie ($n)"
ret=0
$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.3 > dig.out.test$n || ret=1
grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
#
# Test shared cookie-secret support.
#
# NS4 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
#
# NS5 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
# NS5 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d"; (alternate)
#
# NS6 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d";
#
# Server cookies from NS4 are accepted by NS5 and not NS6
# Server cookies from NS5 are accepted by NS4 and not NS6
# Server cookies from NS6 are accepted by NS5 and not NS4
#
# Force local address so that the client's address is the same to all servers.
#
n=`expr $n + 1`
echo_i "get NS4 cookie for cross server checking ($n)"
ret=0
$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.4 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
ns4cookie=`getcookie dig.out.test$n`
test -n "$ns4cookie" || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "get NS5 cookie for cross server checking ($n)"
ret=0
$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.5 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
ns5cookie=`getcookie dig.out.test$n`
test -n "$ns5cookie" || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "get NS6 cookie for cross server checking ($n)"
ret=0
$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.6 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
ns6cookie=`getcookie dig.out.test$n`
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS4 cookie on NS5 (expect success) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS4 cookie on NS6 (expect badcookie) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS5 cookie on NS4 (expect success) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS5 cookie on NS6 (expect badcookie) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS6 cookie on NS4 (expect badcookie) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "test NS6 cookie on NS5 (expect success) ($n)"
ret=0
$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n
grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check that test server is correctly configured ($n)"
ret=0
pat="; COOKIE: ................................ (good)"
#UDP
$DIG $DIGOPTS @10.53.0.9 +notcp tld > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +notcp tcponly.tld > dig.out.test$n.2
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null || ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +notcp nocookie.tld > dig.out.test$n.3
grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null || ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +notcp withtsig.tld > dig.out.test$n.4
grep "status: NOERROR" dig.out.test$n.4 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.4 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.4 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.4 > /dev/null || ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.4 > /dev/null || ret=1
#TCP
$DIG $DIGOPTS @10.53.0.9 +tcp tld > dig.out.test$n.5
grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +tcp tcponly.tld > dig.out.test$n.6
grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +tcp nocookie.tld > dig.out.test$n.7
grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
$DIG $DIGOPTS @10.53.0.9 +tcp withtsig.tld > dig.out.test$n.8
grep "status: NOERROR" dig.out.test$n.8 > /dev/null || ret=1
grep "$pat" dig.out.test$n.8 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.8 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.8 > /dev/null && ret=1
grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.8 > /dev/null && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check that spoofed response is dropped when we have a server cookie ($n)"
ret=0
msg="missing expected cookie from"
pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
# prime EDNS COOKIE state
$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
rndc_dumpdb ns1
grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
# spoofed response contains 10.53.0.10
nextpart ns1/named.run >/dev/null
$DIG $DIGOPTS @10.53.0.1 tcponly.tld > dig.out.test$n.2
wait_for_log 5 "$msg" ns1/named.run || ret=1
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check that gracefully handle server disabling DNS COOKIE we have a server cookie ($n)"
ret=0
msg="missing expected cookie from"
pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
# prime EDNS COOKIE state
$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
rndc_dumpdb ns1
grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
# check the disabled server response
nextpart ns1/named.run >/dev/null
$DIG $DIGOPTS @10.53.0.1 nocookie.tld > dig.out.test$n.2
wait_for_log 5 "$msg" ns1/named.run || ret=1
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check that spoofed response with a TSIG is dropped when we have a server cookie ($n)"
ret=0
pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
# prime EDNS COOKIE state
$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
rndc_dumpdb ns1
grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
# spoofed response contains 10.53.0.10
nextpart ns1/named.run >/dev/null
$DIG $DIGOPTS @10.53.0.1 withtsig.tld > dig.out.test$n.2
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
nextpart ns1/named.run > named.run.test$n
count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
test $count -eq 1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
if $PYTHON -c '
import dns.version, sys;
if dns.version.MAJOR > 1: sys.exit(0);
if dns.version.MAJOR == 1 and dns.version.MINOR >= 16: sys.exit(0);
sys.exit(1)'
then
n=`expr $n + 1`
echo_i "check that TSIG test server is correctly configured ($n)"
ret=0
pat="; COOKIE: ................................ (good)"
key="${DEFAULT_HMAC}:foo:aaaaaaaaaaaa"
#UDP
$DIG $DIGOPTS @10.53.0.10 -y $key +notcp tsig. > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
$DIG $DIGOPTS @10.53.0.10 -y $key +notcp tcponly.tsig > dig.out.test$n.2
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null || ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
$DIG $DIGOPTS @10.53.0.10 -y $key +notcp nocookie.tsig > dig.out.test$n.3
grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null || ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
#TCP
$DIG $DIGOPTS @10.53.0.10 -y $key +tcp tsig. > dig.out.test$n.5
grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
$DIG $DIGOPTS @10.53.0.10 -y $key +tcp tcponly.tsig > dig.out.test$n.6
grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
$DIG $DIGOPTS @10.53.0.10 -y $key +tcp nocookie.tsig > dig.out.test$n.7
grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
n=`expr $n + 1`
echo_i "check that missing COOKIE with a valid TSIG signed response does not trigger TCP fallback ($n)"
ret=0
pat='10\.53\.0\.10 .*\[cookie=................................\] \[ttl'
# prime EDNS COOKIE state
$DIG $DIGOPTS @10.53.0.1 tsig. > dig.out.test$n.1
grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
rndc_dumpdb ns1
grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
# check the disabled server response
nextpart ns1/named.run >/dev/null
$DIG $DIGOPTS @10.53.0.1 nocookie.tsig > dig.out.test$n.2
grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null || ret=1
nextpart ns1/named.run > named.run.test$n
count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
test $count -eq 2 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=`expr $status + $ret`
fi
echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1
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