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Merge remote-tracking branch 'origin/master'
# Conflicts: # README.md
This commit is contained in:
Zhi Guan
381
test/recipes/70-test_sslrecords.t
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381
test/recipes/70-test_sslrecords.t
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#! /usr/bin/env perl
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# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use strict;
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use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
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use OpenSSL::Test::Utils;
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use TLSProxy::Proxy;
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my $test_name = "test_sslrecords";
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setup($test_name);
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plan skip_all => "TLSProxy isn't usable on $^O"
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if $^O =~ /^(VMS|MSWin32)$/;
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plan skip_all => "$test_name needs the dynamic engine feature enabled"
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if disabled("engine") || disabled("dynamic-engine");
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plan skip_all => "$test_name needs the sock feature enabled"
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if disabled("sock");
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plan skip_all => "$test_name needs TLSv1.2 enabled"
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if disabled("tls1_2");
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$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
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my $proxy = TLSProxy::Proxy->new(
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\&add_empty_recs_filter,
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cmdstr(app(["openssl"]), display => 1),
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srctop_file("apps", "server.pem"),
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(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
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);
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#Test 1: Injecting out of context empty records should fail
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my $content_type = TLSProxy::Record::RT_APPLICATION_DATA;
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my $inject_recs_num = 1;
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$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
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my $num_tests = 10;
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if (!disabled("tls1_1")) {
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$num_tests++;
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}
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plan tests => $num_tests;
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ok(TLSProxy::Message->fail(), "Out of context empty records test");
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#Test 2: Injecting in context empty records should succeed
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$proxy->clear();
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$content_type = TLSProxy::Record::RT_HANDSHAKE;
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$proxy->start();
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ok(TLSProxy::Message->success(), "In context empty records test");
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#Test 3: Injecting too many in context empty records should fail
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$proxy->clear();
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#We allow 32 consecutive in context empty records
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$inject_recs_num = 33;
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Too many in context empty records test");
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#Test 4: Injecting a fragmented fatal alert should fail. We actually expect no
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# alerts to be sent from either side because *we* injected the fatal
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# alert, i.e. this will look like a disorderly close
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$proxy->clear();
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$proxy->filter(\&add_frag_alert_filter);
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$proxy->start();
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ok(!TLSProxy::Message->end(), "Fragmented alert records test");
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#Run some SSLv2 ClientHello tests
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use constant {
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TLSV1_2_IN_SSLV2 => 0,
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SSLV2_IN_SSLV2 => 1,
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FRAGMENTED_IN_TLSV1_2 => 2,
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FRAGMENTED_IN_SSLV2 => 3,
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ALERT_BEFORE_SSLV2 => 4
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};
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#Test 5: Inject an SSLv2 style record format for a TLSv1.2 ClientHello
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my $sslv2testtype = TLSV1_2_IN_SSLV2;
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$proxy->clear();
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$proxy->filter(\&add_sslv2_filter);
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$proxy->start();
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ok(TLSProxy::Message->success(), "TLSv1.2 in SSLv2 ClientHello test");
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#Test 6: Inject an SSLv2 style record format for an SSLv2 ClientHello. We don't
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# support this so it should fail. We actually treat it as an unknown
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# protocol so we don't even send an alert in this case.
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$sslv2testtype = SSLV2_IN_SSLV2;
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$proxy->clear();
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$proxy->start();
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ok(!TLSProxy::Message->end(), "SSLv2 in SSLv2 ClientHello test");
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#Test 7: Sanity check ClientHello fragmentation. This isn't really an SSLv2 test
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# at all, but it gives us confidence that Test 8 fails for the right
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# reasons
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$sslv2testtype = FRAGMENTED_IN_TLSV1_2;
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$proxy->clear();
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$proxy->start();
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ok(TLSProxy::Message->success(), "Fragmented ClientHello in TLSv1.2 test");
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#Test 8: Fragment a TLSv1.2 ClientHello across a TLS1.2 record; an SSLv2
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# record; and another TLS1.2 record. This isn't allowed so should fail
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$sslv2testtype = FRAGMENTED_IN_SSLV2;
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$proxy->clear();
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Fragmented ClientHello in TLSv1.2/SSLv2 test");
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#Test 9: Send a TLS warning alert before an SSLv2 ClientHello. This should
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# fail because an SSLv2 ClientHello must be the first record.
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$sslv2testtype = ALERT_BEFORE_SSLV2;
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$proxy->clear();
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Alert before SSLv2 ClientHello test");
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#Unregcognised record type tests
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#Test 10: Sending an unrecognised record type in TLS1.2 should fail
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$proxy->clear();
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$proxy->filter(\&add_unknown_record_type);
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.2");
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#Test 11: Sending an unrecognised record type in TLS1.1 should fail
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if (!disabled("tls1_1")) {
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$proxy->clear();
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$proxy->clientflags("-tls1_1");
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.1");
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}
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sub add_empty_recs_filter
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{
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my $proxy = shift;
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# We're only interested in the initial ClientHello
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if ($proxy->flight != 0) {
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return;
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}
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for (my $i = 0; $i < $inject_recs_num; $i++) {
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my $record = TLSProxy::Record->new(
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0,
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$content_type,
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TLSProxy::Record::VERS_TLS_1_2,
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0,
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0,
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0,
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0,
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"",
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""
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);
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push @{$proxy->record_list}, $record;
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}
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}
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sub add_frag_alert_filter
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{
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my $proxy = shift;
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my $byte;
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# We're only interested in the initial ClientHello
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if ($proxy->flight != 0) {
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return;
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}
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# Add a zero length fragment first
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#my $record = TLSProxy::Record->new(
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# 0,
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# TLSProxy::Record::RT_ALERT,
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# TLSProxy::Record::VERS_TLS_1_2,
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# 0,
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# 0,
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# 0,
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# "",
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# ""
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#);
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#push @{$proxy->record_list}, $record;
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# Now add the alert level (Fatal) as a separate record
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$byte = pack('C', TLSProxy::Message::AL_LEVEL_FATAL);
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my $record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_ALERT,
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TLSProxy::Record::VERS_TLS_1_2,
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1,
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0,
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1,
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1,
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$byte,
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$byte
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);
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push @{$proxy->record_list}, $record;
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# And finally the description (Unexpected message) in a third record
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$byte = pack('C', TLSProxy::Message::AL_DESC_UNEXPECTED_MESSAGE);
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_ALERT,
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TLSProxy::Record::VERS_TLS_1_2,
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1,
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0,
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1,
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1,
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$byte,
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$byte
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);
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push @{$proxy->record_list}, $record;
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}
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sub add_sslv2_filter
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{
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my $proxy = shift;
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my $clienthello;
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my $record;
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# We're only interested in the initial ClientHello
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if ($proxy->flight != 0) {
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return;
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}
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# Ditch the real ClientHello - we're going to replace it with our own
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shift @{$proxy->record_list};
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if ($sslv2testtype == ALERT_BEFORE_SSLV2) {
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my $alert = pack('CC', TLSProxy::Message::AL_LEVEL_FATAL,
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TLSProxy::Message::AL_DESC_NO_RENEGOTIATION);
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my $alertlen = length $alert;
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_ALERT,
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TLSProxy::Record::VERS_TLS_1_2,
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$alertlen,
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0,
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$alertlen,
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$alertlen,
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$alert,
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$alert
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);
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push @{$proxy->record_list}, $record;
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}
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if ($sslv2testtype == ALERT_BEFORE_SSLV2
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|| $sslv2testtype == TLSV1_2_IN_SSLV2
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|| $sslv2testtype == SSLV2_IN_SSLV2) {
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# This is an SSLv2 format ClientHello
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$clienthello =
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pack "C44",
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0x01, # ClientHello
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0x03, 0x03, #TLSv1.2
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0x00, 0x03, # Ciphersuites len
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0x00, 0x00, # Session id len
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0x00, 0x20, # Challenge len
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0x00, 0x00, 0x2f, #AES128-SHA
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0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
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0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
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0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6; # Challenge
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if ($sslv2testtype == SSLV2_IN_SSLV2) {
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# Set the version to "real" SSLv2
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vec($clienthello, 1, 8) = 0x00;
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vec($clienthello, 2, 8) = 0x02;
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}
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my $chlen = length $clienthello;
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_HANDSHAKE,
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TLSProxy::Record::VERS_TLS_1_2,
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$chlen,
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1, #SSLv2
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$chlen,
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$chlen,
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$clienthello,
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$clienthello
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);
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push @{$proxy->record_list}, $record;
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} else {
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# For this test we're using a real TLS ClientHello
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$clienthello =
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pack "C49",
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0x01, # ClientHello
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0x00, 0x00, 0x2D, # Message length
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0x03, 0x03, # TLSv1.2
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0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
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0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
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0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6, # Random
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0x00, # Session id len
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0x00, 0x04, # Ciphersuites len
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0x00, 0x2f, # AES128-SHA
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0x00, 0xff, # Empty reneg info SCSV
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0x01, # Compression methods len
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0x00, # Null compression
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0x00, 0x00; # Extensions len
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# Split this into 3: A TLS record; a SSLv2 record and a TLS record.
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# We deliberately split the second record prior to the Challenge/Random
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# and set the first byte of the random to 1. This makes the second SSLv2
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# record look like an SSLv2 ClientHello
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my $frag1 = substr $clienthello, 0, 6;
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my $frag2 = substr $clienthello, 6, 32;
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my $frag3 = substr $clienthello, 38;
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my $fraglen = length $frag1;
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_HANDSHAKE,
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TLSProxy::Record::VERS_TLS_1_2,
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$fraglen,
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0,
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$fraglen,
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$fraglen,
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$frag1,
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$frag1
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);
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push @{$proxy->record_list}, $record;
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$fraglen = length $frag2;
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my $recvers;
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if ($sslv2testtype == FRAGMENTED_IN_SSLV2) {
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$recvers = 1;
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} else {
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$recvers = 0;
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}
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_HANDSHAKE,
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TLSProxy::Record::VERS_TLS_1_2,
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$fraglen,
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$recvers,
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$fraglen,
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$fraglen,
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$frag2,
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$frag2
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);
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push @{$proxy->record_list}, $record;
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$fraglen = length $frag3;
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$record = TLSProxy::Record->new(
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0,
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TLSProxy::Record::RT_HANDSHAKE,
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TLSProxy::Record::VERS_TLS_1_2,
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$fraglen,
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0,
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$fraglen,
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$fraglen,
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$frag3,
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$frag3
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);
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push @{$proxy->record_list}, $record;
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}
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}
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sub add_unknown_record_type
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{
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my $proxy = shift;
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# We'll change a record after the initial version neg has taken place
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if ($proxy->flight != 2) {
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return;
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}
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my $lastrec = ${$proxy->record_list}[-1];
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my $record = TLSProxy::Record->new(
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2,
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TLSProxy::Record::RT_UNKNOWN,
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$lastrec->version(),
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1,
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0,
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1,
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1,
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"X",
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"X"
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);
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unshift @{$proxy->record_list}, $record;
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}
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Reference in New Issue
Block a user