Add a test for the TLSv1.3 state machine

Reviewed-by: NRich Salz <rsalz@openssl.org>

test/recipes/70-test_tls13messages.t

+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (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;
+my $test_name = "test_tls13messages";
+setup($test_name);
+
+plan skip_all => "TLSProxy isn't usable on $^O"
+    if $^O =~ /^(VMS|MSWin32)$/;
+
+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 => "$test_name needs TLSv1.3 enabled"
+    if disabled("tls1_3");
+
+$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
+
+use constant {
+    DEFAULT_HANDSHAKE => 1
+};
+
+my @handmessages = (
+    [TLSProxy::Message::MT_CLIENT_HELLO, DEFAULT_HANDSHAKE],
+    [TLSProxy::Message::MT_SERVER_HELLO, DEFAULT_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE, DEFAULT_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED, DEFAULT_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED, DEFAULT_HANDSHAKE],
+    [0, 0]
+);
+
+my $proxy = TLSProxy::Proxy->new(
+    undef,
+    cmdstr(app(["openssl"]), display => 1),
+    srctop_file("apps", "server.pem"),
+    (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
+);
+
+sub checkmessages($$);
+
+#Test 1: Check we get all the right messages for a default handshake
+$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
+plan tests => 1;
+checkmessages(DEFAULT_HANDSHAKE, "Default handshake test");
+
+sub checkmessages($$)
+{
+    my ($handtype, $testname) = @_;
+
+    subtest $testname => sub {
+        my $loop = 0;
+        my $numtests;
+
+        #First count the number of tests
+        for ($numtests = 1; $handmessages[$loop][1] != 0; $loop++) {
+            $numtests++ if (($handmessages[$loop][1] & $handtype) != 0);
+        }
+
+        plan tests => $numtests;
+
+        $loop = 0;
+        foreach my $message (@{$proxy->message_list}) {
+            for (; $handmessages[$loop][1] != 0
+                   && ($handmessages[$loop][1] & $handtype) == 0; $loop++) {
+                next;
+            }
+            ok($handmessages[$loop][1] != 0
+               && $message->mt == $handmessages[$loop][0],
+               "Message type check. Got ".$message->mt
+               .", expected ".$handmessages[$loop][0]);
+            $loop++;
+        }
+        ok($handmessages[$loop][1] == 0, "All expected messages processed");
+    }
+}