From ea648e70a989cca190cd7403fe892fd2dcc290b4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 20:37:14 +0200 Subject: Adding upstream version 1:9.11.5.P4+dfsg. Signed-off-by: Daniel Baumann --- bin/tests/system/reclimit/README | 13 ++ bin/tests/system/reclimit/ans2/ans.pl | 233 +++++++++++++++++++++++++++ bin/tests/system/reclimit/ans7/ans.pl | 74 +++++++++ bin/tests/system/reclimit/clean.sh | 18 +++ bin/tests/system/reclimit/ns1/named.conf.in | 24 +++ bin/tests/system/reclimit/ns1/root.db | 17 ++ bin/tests/system/reclimit/ns3/hints.db | 11 ++ bin/tests/system/reclimit/ns3/named1.conf.in | 34 ++++ bin/tests/system/reclimit/ns3/named2.conf.in | 34 ++++ bin/tests/system/reclimit/ns3/named3.conf.in | 35 ++++ bin/tests/system/reclimit/ns3/named4.conf.in | 35 ++++ bin/tests/system/reclimit/prereq.sh | 35 ++++ bin/tests/system/reclimit/setup.sh | 17 ++ bin/tests/system/reclimit/tests.sh | 191 ++++++++++++++++++++++ 14 files changed, 771 insertions(+) create mode 100644 bin/tests/system/reclimit/README create mode 100644 bin/tests/system/reclimit/ans2/ans.pl create mode 100644 bin/tests/system/reclimit/ans7/ans.pl create mode 100644 bin/tests/system/reclimit/clean.sh create mode 100644 bin/tests/system/reclimit/ns1/named.conf.in create mode 100644 bin/tests/system/reclimit/ns1/root.db create mode 100644 bin/tests/system/reclimit/ns3/hints.db create mode 100644 bin/tests/system/reclimit/ns3/named1.conf.in create mode 100644 bin/tests/system/reclimit/ns3/named2.conf.in create mode 100644 bin/tests/system/reclimit/ns3/named3.conf.in create mode 100644 bin/tests/system/reclimit/ns3/named4.conf.in create mode 100644 bin/tests/system/reclimit/prereq.sh create mode 100644 bin/tests/system/reclimit/setup.sh create mode 100644 bin/tests/system/reclimit/tests.sh (limited to 'bin/tests/system/reclimit') diff --git a/bin/tests/system/reclimit/README b/bin/tests/system/reclimit/README new file mode 100644 index 0000000..bb7f596 --- /dev/null +++ b/bin/tests/system/reclimit/README @@ -0,0 +1,13 @@ +Copyright (C) Internet Systems Consortium, Inc. ("ISC") + +See COPYRIGHT in the source root or http://isc.org/copyright.html for terms. + +system test for recursion limits + +ns1 -- root server +ans2 -- for example.org: delegate to ns1.(n+1).example.org for all n, up to the + value specified in ans.limit (or forever if limit is 0) + for example.net: delegate every query to 15 more name servers, with + "victim" address +ns3 -- resolver under test +ans7 -- "victim" server diff --git a/bin/tests/system/reclimit/ans2/ans.pl b/bin/tests/system/reclimit/ans2/ans.pl new file mode 100644 index 0000000..988445d --- /dev/null +++ b/bin/tests/system/reclimit/ans2/ans.pl @@ -0,0 +1,233 @@ +#!/usr/bin/env perl +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +use strict; +use warnings; + +use IO::File; +use IO::Socket; +use Net::DNS; + +my $localaddr = "10.53.0.2"; +my $limit = getlimit(); +my $no_more_waiting = 0; +my @delayed_response; +my $timeout; + +my $localport = int($ENV{'PORT'}); +if (!$localport) { $localport = 5300; } + +my $udpsock = IO::Socket::INET->new(LocalAddr => "$localaddr", + LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!"; + +my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!"; +print $pidf "$$\n" or die "cannot write pid file: $!"; +$pidf->close or die "cannot close pid file: $!"; +sub rmpid { unlink "ans.pid"; exit 1; }; + +$SIG{INT} = \&rmpid; +$SIG{TERM} = \&rmpid; + +my $count = 0; +my $send_response = 0; + +sub getlimit { + if ( -e "ans.limit") { + open(FH, "<", "ans.limit"); + my $line = ; + chomp $line; + close FH; + if ($line =~ /^\d+$/) { + return $line; + } + } + + return 0; +} + +# If $wait == 0 is returned, returned reply will be sent immediately. +# If $wait == 1 is returned, sending the returned reply might be delayed; see +# comments inside handle_UDP() for details. +sub reply_handler { + my ($qname, $qclass, $qtype) = @_; + my ($rcode, @ans, @auth, @add, $wait); + + print ("request: $qname/$qtype\n"); + STDOUT->flush(); + + $wait = 0; + $count += 1; + + if ($qname eq "count" ) { + if ($qtype eq "TXT") { + my ($ttl, $rdata) = (0, "$count"); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + push @ans, $rr; + print ("\tcount: $count\n"); + } + $rcode = "NOERROR"; + } elsif ($qname eq "reset" ) { + $count = 0; + $send_response = 0; + $limit = getlimit(); + $rcode = "NOERROR"; + print ("\tlimit: $limit\n"); + } elsif ($qname eq "direct.example.org" ) { + if ($qtype eq "A") { + my ($ttl, $rdata) = (3600, $localaddr); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + push @ans, $rr; + } + $rcode = "NOERROR"; + } elsif ($qname eq "indirect1.example.org" || + $qname eq "indirect2.example.org" || + $qname eq "indirect3.example.org" || + $qname eq "indirect4.example.org" || + $qname eq "indirect5.example.org" || + $qname eq "indirect6.example.org" || + $qname eq "indirect7.example.org" || + $qname eq "indirect8.example.org") { + if (! $send_response) { + my $rr = new Net::DNS::RR("$qname 86400 $qclass NS ns1.1.example.org"); + push @auth, $rr; + } elsif ($qtype eq "A") { + my ($ttl, $rdata) = (3600, $localaddr); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + push @ans, $rr; + } + $rcode = "NOERROR"; + } elsif ($qname =~ /^ns1\.(\d+)\.example\.org$/) { + my $next = $1 + 1; + $wait = 1; + if ($limit == 0 || (! $send_response && $next <= $limit)) { + my $rr = new Net::DNS::RR("$1.example.org 86400 $qclass NS ns1.$next.example.org"); + push @auth, $rr; + } else { + $send_response = 1; + if ($qtype eq "A") { + my ($ttl, $rdata) = (3600, $localaddr); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + print("\tresponse: $qname $ttl $qclass $qtype $rdata\n"); + push @ans, $rr; + } + } + $rcode = "NOERROR"; + } elsif ($qname eq "direct.example.net" ) { + if ($qtype eq "A") { + my ($ttl, $rdata) = (3600, $localaddr); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + push @ans, $rr; + } + $rcode = "NOERROR"; + } elsif( $qname =~ /^ns1\.(\d+)\.example\.net$/ ) { + my $next = ($1 + 1) * 16; + for (my $i = 1; $i < 16; $i++) { + my $s = $next + $i; + my $rr = new Net::DNS::RR("$1.example.net 86400 $qclass NS ns1.$s.example.net"); + push @auth, $rr; + $rr = new Net::DNS::RR("ns1.$s.example.net 86400 $qclass A 10.53.0.7"); + push @add, $rr; + } + $rcode = "NOERROR"; + } else { + $rcode = "NXDOMAIN"; + } + + return ($rcode, \@ans, \@auth, \@add, $wait); +} + +sub handleUDP { + my ($buf, $peer) = @_; + my ($request, $rcode, $ans, $auth, $add, $wait); + + $request = new Net::DNS::Packet(\$buf, 0); + $@ and die $@; + + my ($question) = $request->question; + my $qname = $question->qname; + my $qclass = $question->qclass; + my $qtype = $question->qtype; + + ($rcode, $ans, $auth, $add, $wait) = reply_handler($qname, $qclass, $qtype); + + my $reply = $request->reply(); + + $reply->header->rcode($rcode); + $reply->header->aa(@$ans ? 1 : 0); + $reply->header->id($request->header->id); + $reply->{answer} = $ans if $ans; + $reply->{authority} = $auth if $auth; + $reply->{additional} = $add if $add; + + if ($wait) { + # reply_handler() asked us to delay sending this reply until + # another reply with $wait == 1 is generated or a timeout + # occurs. + if (@delayed_response) { + # A delayed reply is already queued, so we can now send + # both the delayed reply and the current reply. + send_delayed_response(); + return $reply; + } elsif ($no_more_waiting) { + # It was determined before that there is no point in + # waiting for "accompanying" queries. Thus, send the + # current reply immediately. + return $reply; + } else { + # No delayed reply is queued and the client is expected + # to send an "accompanying" query shortly. Do not send + # the current reply right now, just save it for later + # and wait for an "accompanying" query to be received. + @delayed_response = ($reply, $peer); + $timeout = 0.5; + return; + } + } else { + # Send reply immediately. + return $reply; + } +} + +sub send_delayed_response { + my ($reply, $peer) = @delayed_response; + # Truncation to 512 bytes is required for triggering "NS explosion" on + # builds without IPv6 support + $udpsock->send($reply->data(512), 0, $peer); + undef @delayed_response; + undef $timeout; +} + +# Main +my $rin; +my $rout; +for (;;) { + $rin = ''; + vec($rin, fileno($udpsock), 1) = 1; + + select($rout = $rin, undef, undef, $timeout); + + if (vec($rout, fileno($udpsock), 1)) { + my ($buf, $peer, $reply); + $udpsock->recv($buf, 512); + $peer = $udpsock->peername(); + $reply = handleUDP($buf, $peer); + # Truncation to 512 bytes is required for triggering "NS + # explosion" on builds without IPv6 support + $udpsock->send($reply->data(512), 0, $peer) if $reply; + } else { + # An "accompanying" query was expected to come in, but did not. + # Assume the client never sends "accompanying" queries to + # prevent pointlessly waiting for them ever again. + $no_more_waiting = 1; + # Send the delayed reply to the query which caused us to wait. + send_delayed_response(); + } +} diff --git a/bin/tests/system/reclimit/ans7/ans.pl b/bin/tests/system/reclimit/ans7/ans.pl new file mode 100644 index 0000000..5050427 --- /dev/null +++ b/bin/tests/system/reclimit/ans7/ans.pl @@ -0,0 +1,74 @@ +#!/usr/bin/env perl +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +use strict; +use warnings; + +use IO::File; +use Getopt::Long; +use Net::DNS::Nameserver; + +my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!"; +print $pidf "$$\n" or die "cannot write pid file: $!"; +$pidf->close or die "cannot close pid file: $!"; +sub rmpid { unlink "ans.pid"; exit 1; }; + +$SIG{INT} = \&rmpid; +$SIG{TERM} = \&rmpid; + +my $count = 0; + +my $localaddr = "10.53.0.7"; +my $localport = int($ENV{'PORT'}); +if (!$localport) { $localport = 5300; } +my $verbose = 0; + +sub reply_handler { + my ($qname, $qclass, $qtype, $peerhost, $query, $conn) = @_; + my ($rcode, @ans, @auth, @add); + + print ("request: $qname/$qtype\n"); + STDOUT->flush(); + + $count += 1; + + if ($qname eq "count" ) { + if ($qtype eq "TXT") { + my ($ttl, $rdata) = (0, "$count"); + my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata"); + push @ans, $rr; + print ("\tcount: $count\n"); + } + $rcode = "NOERROR"; + } elsif ($qname eq "reset") { + $count = 0; + $rcode = "NOERROR"; + } else { + $rcode = "REFUSED"; + } + + # mark the answer as authoritive (by setting the 'aa' flag + return ($rcode, \@ans, \@auth, \@add, { aa => 1 }); +} + +GetOptions( + 'port=i' => \$localport, + 'verbose!' => \$verbose, +); + +my $ns = Net::DNS::Nameserver->new( + LocalAddr => $localaddr, + LocalPort => $localport, + ReplyHandler => \&reply_handler, + Verbose => $verbose, +); + +$ns->main_loop; diff --git a/bin/tests/system/reclimit/clean.sh b/bin/tests/system/reclimit/clean.sh new file mode 100644 index 0000000..f856c86 --- /dev/null +++ b/bin/tests/system/reclimit/clean.sh @@ -0,0 +1,18 @@ +#!/bin/sh +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +rm -f dig.out* +rm -f ans?/ans.run +rm -f ans2/ans.limit +rm -f ns?/named.memstats +rm -f ns?/named.run +rm -f ns*/named.conf +rm -f ns*/named.lock diff --git a/bin/tests/system/reclimit/ns1/named.conf.in b/bin/tests/system/reclimit/ns1/named.conf.in new file mode 100644 index 0000000..f8868f5 --- /dev/null +++ b/bin/tests/system/reclimit/ns1/named.conf.in @@ -0,0 +1,24 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * 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 http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +options { + directory "."; + query-source address 10.53.0.1; + notify-source 10.53.0.1; + transfer-source 10.53.0.1; + port @PORT@; + pid-file "named.pid"; + listen-on { 10.53.0.1; }; + listen-on-v6 { none; }; + recursion no; +}; + +zone "." { type master; file "root.db"; }; diff --git a/bin/tests/system/reclimit/ns1/root.db b/bin/tests/system/reclimit/ns1/root.db new file mode 100644 index 0000000..6a04ed2 --- /dev/null +++ b/bin/tests/system/reclimit/ns1/root.db @@ -0,0 +1,17 @@ +; Copyright (C) Internet Systems Consortium, Inc. ("ISC") +; +; 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 http://mozilla.org/MPL/2.0/. +; +; See the COPYRIGHT file distributed with this work for additional +; information regarding copyright ownership. + +. 60 IN SOA ns.nil. hostmaster.ns.nil. 1 0 0 0 0 +. 60 IN NS ns.nil. +ns.nil. 60 IN A 10.53.0.1 +ns.tld1. 60 IN A 10.53.0.1 +example.org. 60 IN NS direct.example.org. +direct.example.org. 60 IN A 10.53.0.2 +example.net. 60 IN NS direct.example.net. +direct.example.net. 60 IN A 10.53.0.2 diff --git a/bin/tests/system/reclimit/ns3/hints.db b/bin/tests/system/reclimit/ns3/hints.db new file mode 100644 index 0000000..f763729 --- /dev/null +++ b/bin/tests/system/reclimit/ns3/hints.db @@ -0,0 +1,11 @@ +; Copyright (C) Internet Systems Consortium, Inc. ("ISC") +; +; 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 http://mozilla.org/MPL/2.0/. +; +; See the COPYRIGHT file distributed with this work for additional +; information regarding copyright ownership. + +. 60 IN NS ns.nil. +ns.nil. 60 IN A 10.53.0.1 diff --git a/bin/tests/system/reclimit/ns3/named1.conf.in b/bin/tests/system/reclimit/ns3/named1.conf.in new file mode 100644 index 0000000..f7f6c6a --- /dev/null +++ b/bin/tests/system/reclimit/ns3/named1.conf.in @@ -0,0 +1,34 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * 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 http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +options { + directory "."; + query-source address 10.53.0.3; + notify-source 10.53.0.3; + transfer-source 10.53.0.3; + port @PORT@; + pid-file "named.pid"; + listen-on { 10.53.0.3; }; + listen-on-v6 { none; }; + servfail-ttl 0; + max-recursion-depth 12; +}; + +key rndc_key { + secret "1234abcd8765"; + algorithm hmac-sha256; +}; + +controls { + inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; +}; + +zone "." { type hint; file "hints.db"; }; diff --git a/bin/tests/system/reclimit/ns3/named2.conf.in b/bin/tests/system/reclimit/ns3/named2.conf.in new file mode 100644 index 0000000..f051cf5 --- /dev/null +++ b/bin/tests/system/reclimit/ns3/named2.conf.in @@ -0,0 +1,34 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * 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 http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +options { + directory "."; + query-source address 10.53.0.3; + notify-source 10.53.0.3; + transfer-source 10.53.0.3; + port @PORT@; + pid-file "named.pid"; + listen-on { 10.53.0.3; }; + listen-on-v6 { none; }; + servfail-ttl 0; + max-recursion-depth 5; +}; + +key rndc_key { + secret "1234abcd8765"; + algorithm hmac-sha256; +}; + +controls { + inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; +}; + +zone "." { type hint; file "hints.db"; }; diff --git a/bin/tests/system/reclimit/ns3/named3.conf.in b/bin/tests/system/reclimit/ns3/named3.conf.in new file mode 100644 index 0000000..6c235af --- /dev/null +++ b/bin/tests/system/reclimit/ns3/named3.conf.in @@ -0,0 +1,35 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * 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 http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +options { + directory "."; + query-source address 10.53.0.3; + notify-source 10.53.0.3; + transfer-source 10.53.0.3; + port @PORT@; + pid-file "named.pid"; + listen-on { 10.53.0.3; }; + listen-on-v6 { none; }; + servfail-ttl 0; + max-recursion-depth 100; + max-recursion-queries 50; +}; + +key rndc_key { + secret "1234abcd8765"; + algorithm hmac-sha256; +}; + +controls { + inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; +}; + +zone "." { type hint; file "hints.db"; }; diff --git a/bin/tests/system/reclimit/ns3/named4.conf.in b/bin/tests/system/reclimit/ns3/named4.conf.in new file mode 100644 index 0000000..2d7d5c1 --- /dev/null +++ b/bin/tests/system/reclimit/ns3/named4.conf.in @@ -0,0 +1,35 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * 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 http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +options { + directory "."; + query-source address 10.53.0.3; + notify-source 10.53.0.3; + transfer-source 10.53.0.3; + port @PORT@; + pid-file "named.pid"; + listen-on { 10.53.0.3; }; + listen-on-v6 { none; }; + servfail-ttl 0; + max-recursion-depth 100; + max-recursion-queries 40; +}; + +key rndc_key { + secret "1234abcd8765"; + algorithm hmac-sha256; +}; + +controls { + inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; +}; + +zone "." { type hint; file "hints.db"; }; diff --git a/bin/tests/system/reclimit/prereq.sh b/bin/tests/system/reclimit/prereq.sh new file mode 100644 index 0000000..3c854d2 --- /dev/null +++ b/bin/tests/system/reclimit/prereq.sh @@ -0,0 +1,35 @@ +#!/bin/sh +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +SYSTEMTESTTOP=.. +. $SYSTEMTESTTOP/conf.sh + +if $PERL -e 'use Net::DNS;' 2>/dev/null +then + if $PERL -e 'use Net::DNS; die if ($Net::DNS::VERSION <= 0.78);' 2>/dev/null + then + : + else + echo_i "Net::DNS versions up to 0.78 have a bug that causes this test to fail: please update." >&2 + exit 1 + fi +else + echo_i "This test requires the Net::DNS library." >&2 + exit 1 +fi + +if $PERL -e 'use Net::DNS::Nameserver;' 2>/dev/null +then + : +else + echo_i "This test requires the Net::DNS::Nameserver library." >&2 + exit 1 +fi diff --git a/bin/tests/system/reclimit/setup.sh b/bin/tests/system/reclimit/setup.sh new file mode 100644 index 0000000..a191bf8 --- /dev/null +++ b/bin/tests/system/reclimit/setup.sh @@ -0,0 +1,17 @@ +#!/bin/sh +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +SYSTEMTESTTOP=.. +. $SYSTEMTESTTOP/conf.sh + +$SHELL clean.sh +copy_setports ns1/named.conf.in ns1/named.conf +copy_setports ns3/named1.conf.in ns3/named.conf diff --git a/bin/tests/system/reclimit/tests.sh b/bin/tests/system/reclimit/tests.sh new file mode 100644 index 0000000..bafdc82 --- /dev/null +++ b/bin/tests/system/reclimit/tests.sh @@ -0,0 +1,191 @@ +#!/bin/sh +# +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# 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 http://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +SYSTEMTESTTOP=.. +. $SYSTEMTESTTOP/conf.sh + +DIGOPTS="-p ${PORT}" + +status=0 +n=0 + +ns3_reset() { + copy_setports $1 ns3/named.conf + $RNDC -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reconfig 2>&1 | sed 's/^/I:ns3 /' + $RNDC -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush | sed 's/^/I:ns3 /' +} + +ns3_sends_aaaa_queries() { + if grep "started AAAA fetch" ns3/named.run >/dev/null; then + return 0 + else + return 1 + fi +} + +# Check whether the number of queries ans2 received from ns3 (this value is +# read from dig output stored in file $1) is as expected. The expected query +# count is variable: +# - if ns3 sends AAAA queries, the query count should equal $2, +# - if ns3 does not send AAAA queries, the query count should equal $3. +check_query_count() { + count=`sed 's/[^0-9]//g;' $1` + expected_count_with_aaaa=$2 + expected_count_without_aaaa=$3 + + if ns3_sends_aaaa_queries; then + expected_count=$expected_count_with_aaaa + else + expected_count=$expected_count_without_aaaa + fi + + if [ $count -ne $expected_count ]; then + echo_i "count ($count) != $expected_count" + ret=1 + fi +} + +echo_i "set max-recursion-depth=12" + +n=`expr $n + 1` +echo_i "attempt excessive-depth lookup ($n)" +ret=0 +echo "1000" > ans2/ans.limit +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect1.example.org > dig.out.1.test$n || ret=1 +grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +check_query_count dig.out.2.test$n 26 14 +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +n=`expr $n + 1` +echo_i "attempt permissible lookup ($n)" +ret=0 +echo "12" > ans2/ans.limit +ns3_reset ns3/named1.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect2.example.org > dig.out.1.test$n || ret=1 +grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +check_query_count dig.out.2.test$n 49 26 +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +echo_i "set max-recursion-depth=5" + +n=`expr $n + 1` +echo_i "attempt excessive-depth lookup ($n)" +ret=0 +echo "12" > ans2/ans.limit +ns3_reset ns3/named2.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect3.example.org > dig.out.1.test$n || ret=1 +grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +check_query_count dig.out.2.test$n 12 7 +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +n=`expr $n + 1` +echo_i "attempt permissible lookup ($n)" +ret=0 +echo "5" > ans2/ans.limit +ns3_reset ns3/named2.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect4.example.org > dig.out.1.test$n || ret=1 +grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +check_query_count dig.out.2.test$n 21 12 +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +echo_i "set max-recursion-depth=100, max-recursion-queries=50" + +n=`expr $n + 1` +echo_i "attempt excessive-queries lookup ($n)" +ret=0 +echo "13" > ans2/ans.limit +ns3_reset ns3/named3.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect5.example.org > dig.out.1.test$n || ret=1 +if ns3_sends_aaaa_queries; then + grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1 +fi +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +eval count=`cat dig.out.2.test$n` +[ $count -le 50 ] || { ret=1; echo_i "count ($count) !<= 50"; } +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +n=`expr $n + 1` +echo_i "attempt permissible lookup ($n)" +ret=0 +echo "12" > ans2/ans.limit +ns3_reset ns3/named3.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect6.example.org > dig.out.1.test$n || ret=1 +grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +eval count=`cat dig.out.2.test$n` +[ $count -le 50 ] || { ret=1; echo_i "count ($count) !<= 50"; } +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +echo_i "set max-recursion-depth=100, max-recursion-queries=40" + +n=`expr $n + 1` +echo_i "attempt excessive-queries lookup ($n)" +ret=0 +echo "10" > ans2/ans.limit +ns3_reset ns3/named4.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect7.example.org > dig.out.1.test$n || ret=1 +if ns3_sends_aaaa_queries; then + grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1 +fi +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +eval count=`cat dig.out.2.test$n` +[ $count -le 40 ] || { ret=1; echo_i "count ($count) !<= 40"; } +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +n=`expr $n + 1` +echo_i "attempt permissible lookup ($n)" +ret=0 +echo "9" > ans2/ans.limit +ns3_reset ns3/named4.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS @10.53.0.3 indirect8.example.org > dig.out.1.test$n || ret=1 +grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +eval count=`cat dig.out.2.test$n` +[ $count -le 40 ] || { ret=1; echo_i "count ($count) !<= 40"; } +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +n=`expr $n + 1` +echo_i "attempting NS explosion ($n)" +ret=0 +ns3_reset ns3/named4.conf.in +$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1 +$DIG $DIGOPTS +short @10.53.0.3 ns1.1.example.net > dig.out.1.test$n || ret=1 +$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1 +eval count=`cat dig.out.2.test$n` +[ $count -lt 50 ] || ret=1 +$DIG $DIGOPTS +short @10.53.0.7 count txt > dig.out.3.test$n || ret=1 +eval count=`cat dig.out.3.test$n` +[ $count -lt 50 ] || { ret=1; echo_i "count ($count) !<= 50"; } +if [ $ret != 0 ]; then echo_i "failed"; fi +status=`expr $status + $ret` + +echo_i "exit status: $status" +[ $status -eq 0 ] || exit 1 -- cgit v1.2.3