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Diffstat (limited to 'test/recipes/70-test_sslversions.t')
| -rw-r--r-- | test/recipes/70-test_sslversions.t | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/test/recipes/70-test_sslversions.t b/test/recipes/70-test_sslversions.t new file mode 100644 index 000000000000..2123860d9cb4 --- /dev/null +++ b/test/recipes/70-test_sslversions.t @@ -0,0 +1,190 @@ +#! /usr/bin/env perl +# Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the Apache License 2.0 (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html + +use strict; +use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/; +use OpenSSL::Test::Utils; +use TLSProxy::Proxy; +use File::Temp qw(tempfile); + +use constant { + REVERSE_ORDER_VERSIONS => 1, + UNRECOGNISED_VERSIONS => 2, + NO_EXTENSION => 3, + EMPTY_EXTENSION => 4, + TLS1_1_AND_1_0_ONLY => 5, + WITH_TLS1_4 => 6, + BAD_LEGACY_VERSION => 7 +}; + +my $testtype; + +my $test_name = "test_sslversions"; +setup($test_name); + +plan skip_all => "TLSProxy isn't usable on $^O" + if $^O =~ /^(VMS)$/; + +plan skip_all => "$test_name needs the dynamic engine feature enabled" + if disabled("engine") || disabled("dynamic-engine"); + +plan skip_all => "$test_name needs the sock feature enabled" + if disabled("sock"); + +plan skip_all => "$test_name needs TLS1.3, TLS1.2 and TLS1.1 enabled" + if disabled("tls1_3") + || (disabled("ec") && disabled("dh")) + || disabled("tls1_2") + || disabled("tls1_1"); + +$ENV{OPENSSL_ia32cap} = '~0x200000200000000'; + +my $proxy = TLSProxy::Proxy->new( + undef, + cmdstr(app(["openssl"]), display => 1), + srctop_file("apps", "server.pem"), + (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE}) +); + +#We're just testing various negative and unusual scenarios here. ssltest with +#02-protocol-version.cnf should check all the various combinations of normal +#version neg + +#Test 1: An empty supported_versions extension should not succeed +$testtype = EMPTY_EXTENSION; +$proxy->filter(\&modify_supported_versions_filter); +$proxy->start() or plan skip_all => "Unable to start up Proxy for tests"; +plan tests => 8; +ok(TLSProxy::Message->fail(), "Empty supported versions"); + +#Test 2: supported_versions extension with no recognised versions should not +#succeed +$proxy->clear(); +$testtype = UNRECOGNISED_VERSIONS; +$proxy->start(); +ok(TLSProxy::Message->fail(), "No recognised versions"); + +#Test 3: No supported versions extensions should succeed and select TLSv1.2 +$proxy->clear(); +$testtype = NO_EXTENSION; +$proxy->start(); +my $record = pop @{$proxy->record_list}; +ok(TLSProxy::Message->success() + && $record->version() == TLSProxy::Record::VERS_TLS_1_2, + "No supported versions extension"); + +#Test 4: No supported versions extensions should fail if only TLS1.3 available +$proxy->clear(); +$proxy->serverflags("-tls1_3"); +$proxy->start(); +ok(TLSProxy::Message->fail(), "No supported versions extension (only TLS1.3)"); + +#Test 5: supported versions extension with best version last should succeed +#and select TLSv1.3 +$proxy->clear(); +$testtype = REVERSE_ORDER_VERSIONS; +$proxy->start(); +$record = pop @{$proxy->record_list}; +ok(TLSProxy::Message->success() + && $record->version() == TLSProxy::Record::VERS_TLS_1_2 + && TLSProxy::Proxy->is_tls13(), + "Reverse order versions"); + +#Test 6: no TLSv1.3 or TLSv1.2 version in supported versions extension, but +#TLSv1.1 and TLSv1.0 are present. Should just use TLSv1.1 and succeed +$proxy->clear(); +$proxy->clientflags("-cipher DEFAULT:\@SECLEVEL=0"); +$proxy->ciphers("AES128-SHA:\@SECLEVEL=0"); +$testtype = TLS1_1_AND_1_0_ONLY; +$proxy->start(); +$record = pop @{$proxy->record_list}; +ok(TLSProxy::Message->success() + && $record->version() == TLSProxy::Record::VERS_TLS_1_1, + "TLS1.1 and TLS1.0 in supported versions extension only"); + +#Test 7: TLS1.4 and TLS1.3 in supported versions. Should succeed and use TLS1.3 +$proxy->clear(); +$testtype = WITH_TLS1_4; +$proxy->start(); +$record = pop @{$proxy->record_list}; +ok(TLSProxy::Message->success() + && $record->version() == TLSProxy::Record::VERS_TLS_1_2 + && TLSProxy::Proxy->is_tls13(), + "TLS1.4 in supported versions extension"); + +#Test 8: Set the legacy version to SSLv3 with supported versions. Should fail +$proxy->clear(); +$testtype = BAD_LEGACY_VERSION; +$proxy->start(); +ok(TLSProxy::Message->fail(), "Legacy version is SSLv3 with supported versions"); + +sub modify_supported_versions_filter +{ + my $proxy = shift; + + if ($proxy->flight == 1) { + # Change the ServerRandom so that the downgrade sentinel doesn't cause + # the connection to fail + my $message = ${$proxy->message_list}[1]; + return if (!defined $message); + + $message->random("\0"x32); + $message->repack(); + return; + } + + # We're only interested in the initial ClientHello + if ($proxy->flight != 0) { + return; + } + + foreach my $message (@{$proxy->message_list}) { + if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) { + my $ext; + if ($testtype == REVERSE_ORDER_VERSIONS) { + $ext = pack "C5", + 0x04, # Length + 0x03, 0x03, #TLSv1.2 + 0x03, 0x04; #TLSv1.3 + } elsif ($testtype == UNRECOGNISED_VERSIONS) { + $ext = pack "C5", + 0x04, # Length + 0x04, 0x04, #Some unrecognised version + 0x04, 0x03; #Another unrecognised version + } elsif ($testtype == TLS1_1_AND_1_0_ONLY) { + $ext = pack "C5", + 0x04, # Length + 0x03, 0x02, #TLSv1.1 + 0x03, 0x01; #TLSv1.0 + } elsif ($testtype == WITH_TLS1_4) { + $ext = pack "C5", + 0x04, # Length + 0x03, 0x05, #TLSv1.4 + 0x03, 0x04; #TLSv1.3 + } + if ($testtype == REVERSE_ORDER_VERSIONS + || $testtype == UNRECOGNISED_VERSIONS + || $testtype == TLS1_1_AND_1_0_ONLY + || $testtype == WITH_TLS1_4) { + $message->set_extension( + TLSProxy::Message::EXT_SUPPORTED_VERSIONS, $ext); + } elsif ($testtype == EMPTY_EXTENSION) { + $message->set_extension( + TLSProxy::Message::EXT_SUPPORTED_VERSIONS, ""); + } elsif ($testtype == NO_EXTENSION) { + $message->delete_extension( + TLSProxy::Message::EXT_SUPPORTED_VERSIONS); + } else { + # BAD_LEGACY_VERSION + $message->client_version(TLSProxy::Record::VERS_SSL_3_0); + } + + $message->repack(); + } + } +} |