#! /usr/bin/env perl
-# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
#
-# Licensed under the OpenSSL license (the "License"). You may not use
+# 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 feature 'state';
+
use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
use OpenSSL::Test::Utils;
use TLSProxy::Proxy;
setup($test_name);
plan skip_all => "TLSProxy isn't usable on $^O"
- if $^O =~ /^(VMS|MSWin32)$/;
+ 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 TLS enabled"
if alldisabled(available_protocols("tls"));
+my $no_below_tls13 = alldisabled(("tls1", "tls1_1", "tls1_2"))
+ || (!disabled("tls1_3") && disabled("tls1_2"));
+
+use constant {
+ UNSOLICITED_SERVER_NAME => 0,
+ UNSOLICITED_SERVER_NAME_TLS13 => 1,
+ UNSOLICITED_SCT => 2,
+ NONCOMPLIANT_SUPPORTED_GROUPS => 3
+};
+
+my $testtype;
+my $fatal_alert = 0; # set by filter on fatal alert
+
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
my $proxy = TLSProxy::Proxy->new(
- \&extension_filter,
+ \&inject_duplicate_extension_clienthello,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
-plan tests => 3;
-
-# Test 1: Sending a zero length extension block should pass
-$proxy->start();
-ok(TLSProxy::Message->success, "Zero extension length test");
sub extension_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];
+ $message->random("\0"x32);
+ $message->repack();
+ return;
+ }
+
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
}
-# Test 2-3: Sending a duplicate extension should fail.
sub inject_duplicate_extension
{
my ($proxy, $message_type) = @_;
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == $message_type) {
my %extensions = %{$message->extension_data};
- # Add a duplicate (unknown) extension.
- $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
- $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
+ # Add a duplicate extension. We use cryptopro_bug since we never
+ # normally write that one, and it is allowed as unsolicited in the
+ # ServerHello
+ $message->set_extension(TLSProxy::Message::EXT_CRYPTOPRO_BUG_EXTENSION, "");
+ $message->dupext(TLSProxy::Message::EXT_CRYPTOPRO_BUG_EXTENSION);
$message->repack();
}
}
my $proxy = shift;
# We're only interested in the initial ClientHello
- if ($proxy->flight != 0) {
+ if ($proxy->flight == 0) {
+ inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
return;
}
- inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
+ my $last_record = @{$proxy->{record_list}}[-1];
+ $fatal_alert = 1 if $last_record->is_fatal_alert(1);
}
sub inject_duplicate_extension_serverhello
my $proxy = shift;
# We're only interested in the initial ServerHello
+ if ($proxy->flight == 0) {
+ return;
+ } elsif ($proxy->flight == 1) {
+ inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
+ return;
+ }
+
+ my $last_record = @{$proxy->{record_list}}[-1];
+ $fatal_alert = 1 if $last_record->is_fatal_alert(0);
+}
+
+sub inject_unsolicited_extension
+{
+ my $proxy = shift;
+ my $message;
+ state $sent_unsolisited_extension;
+
+ if ($proxy->flight == 0) {
+ $sent_unsolisited_extension = 0;
+ return;
+ }
+
+ # We're only interested in the initial ServerHello/EncryptedExtensions
if ($proxy->flight != 1) {
+ if ($sent_unsolisited_extension) {
+ my $last_record = @{$proxy->record_list}[-1];
+ $fatal_alert = 1 if $last_record->is_fatal_alert(0);
+ }
+ return;
+ }
+
+ if ($testtype == UNSOLICITED_SERVER_NAME_TLS13) {
+ return if (!defined($message = ${$proxy->message_list}[2]));
+ die "Expecting EE message ".($message->mt).","
+ .${$proxy->message_list}[1]->mt.", "
+ .${$proxy->message_list}[3]->mt
+ if $message->mt != TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS;
+ } else {
+ $message = ${$proxy->message_list}[1];
+ }
+
+ my $ext = pack "C2",
+ 0x00, 0x00; #Extension length
+
+ my $type;
+ if ($testtype == UNSOLICITED_SERVER_NAME
+ || $testtype == UNSOLICITED_SERVER_NAME_TLS13) {
+ $type = TLSProxy::Message::EXT_SERVER_NAME;
+ } elsif ($testtype == UNSOLICITED_SCT) {
+ $type = TLSProxy::Message::EXT_SCT;
+ } elsif ($testtype == NONCOMPLIANT_SUPPORTED_GROUPS) {
+ $type = TLSProxy::Message::EXT_SUPPORTED_GROUPS;
+ }
+ $message->set_extension($type, $ext);
+ $message->repack();
+ $sent_unsolisited_extension = 1;
+}
+
+sub inject_cryptopro_extension
+{
+ my $proxy = shift;
+
+ # We're only interested in the initial ClientHello
+ if ($proxy->flight != 0) {
return;
}
- inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
+ my $message = ${$proxy->message_list}[0];
+ $message->set_extension(TLSProxy::Message::EXT_CRYPTOPRO_BUG_EXTENSION, "");
+ $message->repack();
}
-$proxy->clear();
-$proxy->filter(\&inject_duplicate_extension_clienthello);
-$proxy->start();
-ok(TLSProxy::Message->fail(), "Duplicate ClientHello extension");
+# Test 1-2: Sending a duplicate extension should fail.
+$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
+plan tests => 8;
+ok($fatal_alert, "Duplicate ClientHello extension");
+$fatal_alert = 0;
$proxy->clear();
$proxy->filter(\&inject_duplicate_extension_serverhello);
$proxy->start();
-ok(TLSProxy::Message->fail(), "Duplicate ServerHello extension");
+ok($fatal_alert, "Duplicate ServerHello extension");
+
+SKIP: {
+ skip "TLS <= 1.2 disabled", 2 if $no_below_tls13;
+
+ #Test 3: Sending a zero length extension block should pass
+ $proxy->clear();
+ $proxy->filter(\&extension_filter);
+ $proxy->start();
+ ok(TLSProxy::Message->success, "Zero extension length test");
+
+ #Test 4: Inject an unsolicited extension (<= TLSv1.2)
+ $fatal_alert = 0;
+ $proxy->clear();
+ $proxy->filter(\&inject_unsolicited_extension);
+ $testtype = UNSOLICITED_SERVER_NAME;
+ $proxy->clientflags("-no_tls1_3 -noservername");
+ $proxy->start();
+ ok($fatal_alert, "Unsolicited server name extension");
+}
+SKIP: {
+ skip "TLS <= 1.2 disabled or EC disabled", 1
+ if $no_below_tls13 || disabled("ec");
+ #Test 5: Inject a noncompliant supported_groups extension (<= TLSv1.2)
+ $proxy->clear();
+ $proxy->filter(\&inject_unsolicited_extension);
+ $testtype = NONCOMPLIANT_SUPPORTED_GROUPS;
+ $proxy->clientflags("-no_tls1_3");
+ $proxy->start();
+ ok(TLSProxy::Message->success(), "Noncompliant supported_groups extension");
+}
+SKIP: {
+ skip "TLS <= 1.2 or CT disabled", 1
+ if $no_below_tls13 || disabled("ct");
+ #Test 6: Same as above for the SCT extension which has special handling
+ $fatal_alert = 0;
+ $proxy->clear();
+ $testtype = UNSOLICITED_SCT;
+ $proxy->clientflags("-no_tls1_3");
+ $proxy->start();
+ ok($fatal_alert, "Unsolicited sct extension");
+}
+
+SKIP: {
+ skip "TLS 1.3 disabled", 1 if disabled("tls1_3");
+ #Test 7: Inject an unsolicited extension (TLSv1.3)
+ $fatal_alert = 0;
+ $proxy->clear();
+ $proxy->filter(\&inject_unsolicited_extension);
+ $testtype = UNSOLICITED_SERVER_NAME_TLS13;
+ $proxy->clientflags("-noservername");
+ $proxy->start();
+ ok($fatal_alert, "Unsolicited server name extension (TLSv1.3)");
+}
+
+#Test 8: Send the cryptopro extension in a ClientHello. Normally this is an
+# unsolicited extension only ever seen in the ServerHello. We should
+# ignore it in a ClientHello
+$proxy->clear();
+$proxy->filter(\&inject_cryptopro_extension);
+$proxy->start();
+ok(TLSProxy::Message->success(), "Cryptopro extension in ClientHello");