Merge common code between test_tls13messages and test_sslmessages

Perl changes reviewed by Richard Levitte. Non-perl changes reviewed by Rich
Salz

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>

3 files changed, 350 insertions, 288 deletions

diff --git a/test/recipes/70-test_sslmessages.t b/test/recipes/70-test_sslmessages.t
index 8f7cfb0712..7e1bf17552 100755
--- a/test/recipes/70-test_sslmessages.t
+++ b/test/recipes/70-test_sslmessages.t
@@ -7,11 +7,21 @@
 # https://www.openssl.org/source/license.html
 
 use strict;
-use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
+use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
 use OpenSSL::Test::Utils;
 use File::Temp qw(tempfile);
 use TLSProxy::Proxy;
-my $test_name = "test_tls13messages";
+
+# This block needs to run before 'use lib srctop_dir' directives.
+BEGIN {
+    OpenSSL::Test::setup("no_test_here");
+}
+
+use lib srctop_dir("test", "recipes");
+
+use recipes::checkhandshake qw(checkhandshake @handmessages @extensions);
+
+my $test_name = "test_sslmessages";
 setup($test_name);
 
 plan skip_all => "TLSProxy isn't usable on $^O"
@@ -28,77 +38,6 @@ plan skip_all => "$test_name needs TLS enabled"
 
 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
 
-use constant {
-    DEFAULT_HANDSHAKE => 1,
-    OCSP_HANDSHAKE => 2,
-    RESUME_HANDSHAKE => 4,
-    CLIENT_AUTH_HANDSHAKE => 8,
-    RENEG_HANDSHAKE => 16,
-
-    ALL_HANDSHAKES => 31
-};
-
-use constant {
-    #DEFAULT ALSO INCLUDES SESSION_TICKET_SRV_EXTENSION
-    DEFAULT_EXTENSIONS => 0x00000003,
-    SESSION_TICKET_SRV_EXTENSION => 0x00000002,
-    SERVER_NAME_CLI_EXTENSION => 0x00000004,
-    SERVER_NAME_SRV_EXTENSION => 0x00000008,
-    STATUS_REQUEST_CLI_EXTENSION => 0x00000010,
-    STATUS_REQUEST_SRV_EXTENSION => 0x00000020,
-    ALPN_CLI_EXTENSION => 0x00000040,
-    ALPN_SRV_EXTENSION => 0x00000080,
-    SCT_CLI_EXTENSION => 0x00000100,
-    RENEGOTIATE_CLI_EXTENSION => 0x00000200
-};
-
-my @handmessages = (
-    [TLSProxy::Message::MT_CLIENT_HELLO, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_SERVER_HELLO, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_CERTIFICATE, ALL_HANDSHAKES & ~RESUME_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE_STATUS, OCSP_HANDSHAKE],
-    #ServerKeyExchange handshakes not currently supported by TLSProxy
-    [TLSProxy::Message::MT_CERTIFICATE_REQUEST, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_SERVER_HELLO_DONE, ALL_HANDSHAKES & ~RESUME_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE, ALL_HANDSHAKES & ~RESUME_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE_VERIFY, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_NEW_SESSION_TICKET, ALL_HANDSHAKES & ~RESUME_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_CLIENT_HELLO, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_SERVER_HELLO, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_SERVER_HELLO_DONE, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_NEW_SESSION_TICKET, RENEG_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, RENEG_HANDSHAKE],
-    [0, 0]
-);
-
-my @extensions = (
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME, SERVER_NAME_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST, STATUS_REQUEST_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN, ALPN_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT, SCT_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_RENEGOTIATE, RENEGOTIATE_CLI_EXTENSION],
-
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_RENEGOTIATE, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SESSION_TICKET, SESSION_TICKET_SRV_EXTENSION],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SERVER_NAME, SERVER_NAME_SRV_EXTENSION],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST, STATUS_REQUEST_SRV_EXTENSION],
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_ALPN, ALPN_SRV_EXTENSION],
-    [0,0,0]
-);
 
 my $proxy = TLSProxy::Proxy->new(
     undef,
@@ -107,7 +46,97 @@ my $proxy = TLSProxy::Proxy->new(
     (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
 );
 
-sub checkmessages($$$);
+sub checkhandshake($$$$$);
+
+@handmessages = (
+    [TLSProxy::Message::MT_CLIENT_HELLO,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_SERVER_HELLO,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_CERTIFICATE,
+        recipes::checkhandshake::ALL_HANDSHAKES
+        & ~recipes::checkhandshake::RESUME_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE_STATUS,
+        recipes::checkhandshake::OCSP_HANDSHAKE],
+    #ServerKeyExchange handshakes not currently supported by TLSProxy
+    [TLSProxy::Message::MT_CERTIFICATE_REQUEST,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_SERVER_HELLO_DONE,
+        recipes::checkhandshake::ALL_HANDSHAKES
+        & ~recipes::checkhandshake::RESUME_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE,
+        recipes::checkhandshake::ALL_HANDSHAKES
+        & ~recipes::checkhandshake::RESUME_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_NEW_SESSION_TICKET,
+        recipes::checkhandshake::ALL_HANDSHAKES
+        & ~recipes::checkhandshake::RESUME_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_CLIENT_HELLO,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_SERVER_HELLO,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_SERVER_HELLO_DONE,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_NEW_SESSION_TICKET,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::RENEG_HANDSHAKE],
+    [0, 0]
+);
+
+@extensions = (
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
+        recipes::checkhandshake::SERVER_NAME_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
+        recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
+        recipes::checkhandshake::ALPN_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
+        recipes::checkhandshake::SCT_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_RENEGOTIATE,
+        recipes::checkhandshake::RENEGOTIATE_CLI_EXTENSION],
+
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_RENEGOTIATE,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
+        recipes::checkhandshake::SESSION_TICKET_SRV_EXTENSION],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
+        recipes::checkhandshake::SERVER_NAME_SRV_EXTENSION],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
+        recipes::checkhandshake::STATUS_REQUEST_SRV_EXTENSION],
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_ALPN,
+        recipes::checkhandshake::ALPN_SRV_EXTENSION],
+    [0,0,0]
+);
 
 #Test 1: Check we get all the right messages for a default handshake
 (undef, my $session) = tempfile();
@@ -115,15 +144,18 @@ $proxy->serverconnects(2);
 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
 plan tests => 5;
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS, "Default handshake test");
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
+               "Default handshake test");
 
 #Test 2: Resumption handshake
 $proxy->clearClient();
 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
 $proxy->clientstart();
-checkmessages(RESUME_HANDSHAKE,
-              DEFAULT_EXTENSIONS & ~SESSION_TICKET_SRV_EXTENSION,
-              "Resumption handshake test");
+checkhandshake($proxy, recipes::checkhandshake::RESUME_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS
+               & ~recipes::checkhandshake::SESSION_TICKET_SRV_EXTENSION,
+               "Resumption handshake test");
 unlink $session;
 
 #Test 3: A default handshake, but with a CertificateStatus message
@@ -132,97 +164,28 @@ $proxy->clientflags("-no_tls1_3 -status");
 $proxy->serverflags("-status_file "
                     .srctop_file("test", "recipes", "ocsp-response.der"));
 $proxy->start();
-checkmessages(OCSP_HANDSHAKE,
-              DEFAULT_EXTENSIONS | STATUS_REQUEST_CLI_EXTENSION
-              | STATUS_REQUEST_SRV_EXTENSION,
-              "OCSP handshake test");
+checkhandshake($proxy, recipes::checkhandshake::OCSP_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS
+               | recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION
+               | recipes::checkhandshake::STATUS_REQUEST_SRV_EXTENSION,
+               "OCSP handshake test");
 
 #Test 4: A client auth handshake
 $proxy->clear();
 $proxy->clientflags("-no_tls1_3 -cert ".srctop_file("apps", "server.pem"));
 $proxy->serverflags("-Verify 5");
 $proxy->start();
-checkmessages(CLIENT_AUTH_HANDSHAKE, DEFAULT_EXTENSIONS,
-              "Client auth handshake test");
+checkhandshake($proxy, recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
+               "Client auth handshake test");
 
 #Test 5: A handshake with a renegotiation
 $proxy->clear();
 $proxy->clientflags("-no_tls1_3");
 $proxy->reneg(1);
 $proxy->start();
-checkmessages(RENEG_HANDSHAKE, DEFAULT_EXTENSIONS,
-              "Rengotiation handshake test");
-
-sub checkmessages($$$)
-{
-    my ($handtype, $exttype, $testname) = @_;
-
-    subtest $testname => sub {
-        my $loop = 0;
-        my $numtests;
-        my $extcount;
-        my $clienthelloseen = 0;
-
-        #First count the number of tests
-        for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) {
-            $numtests++ if (($handmessages[$loop][1] & $handtype) != 0);
-        }
-
-        #Add number of extensions we check plus 2 for the number of messages
-        #that contain extensions
-        $numtests += $#extensions + 2;
-        #In a renegotiation we will have double the number of extension tests
-        if (($handtype & RENEG_HANDSHAKE) != 0) {
-            $numtests += $#extensions + 2;
-        }
-
-        plan tests => $numtests;
-
-        my $nextmess = 0;
-        my $message = undef;
-        for ($loop = 0; $handmessages[$loop][1] != 0; $loop++) {
-            next if (($handmessages[$loop][1] & $handtype) == 0);
-            if (scalar @{$proxy->message_list} > $nextmess) {
-                $message = ${$proxy->message_list}[$nextmess];
-                $nextmess++;
-            } else {
-                $message = undef;
-            }
-            if (!defined $message) {
-                fail("Message type check. Got nothing, expected "
-                     .$handmessages[$loop][0]);
-                next;
-            } else {
-                ok($message->mt == $handmessages[$loop][0],
-                   "Message type check. Got ".$message->mt
-                   .", expected ".$handmessages[$loop][0]);
-            }
-
-            next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO
-                    && $message->mt() != TLSProxy::Message::MT_SERVER_HELLO
-                    && $message->mt() !=
-                       TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS);
-
-            if ($message->mt() == TLSProxy::Message::MT_CLIENT_HELLO) {
-                #Add renegotiate extension we will expect if renegotiating
-                $exttype |= RENEGOTIATE_CLI_EXTENSION if ($clienthelloseen);
-                $clienthelloseen = 1;
-            }
-             #Now check that we saw the extensions we expected
-             my $msgexts = $message->extension_data();
-             for (my $extloop = 0, $extcount = 0; $extensions[$extloop][2] != 0;
-                                $extloop++) {
-                next if ($message->mt() != $extensions[$extloop][0]);
-                ok (($extensions[$extloop][2] & $exttype) == 0
-                      || defined ($msgexts->{$extensions[$extloop][1]}),
-                    "Extension presence check (Message: ".$message->mt()
-                    ." Extension: ".($extensions[$extloop][2] & $exttype).", "
-                    .$extloop.")");
-                $extcount++ if (($extensions[$extloop][2] & $exttype) != 0);
-             }
-            ok($extcount == keys %$msgexts, "Extensions count mismatch ("
-                                            .$extcount.", ".(keys %$msgexts)
-                                            .")");
-        }
-    }
-}
+checkhandshake($proxy, recipes::checkhandshake::RENEG_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
+               "Rengotiation handshake test");
+
+
diff --git a/test/recipes/70-test_tls13messages.t b/test/recipes/70-test_tls13messages.t
index b59bb5279b..6a5783b8b4 100755
--- a/test/recipes/70-test_tls13messages.t
+++ b/test/recipes/70-test_tls13messages.t
@@ -7,10 +7,20 @@
 # https://www.openssl.org/source/license.html
 
 use strict;
-use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
+use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
 use OpenSSL::Test::Utils;
 use File::Temp qw(tempfile);
 use TLSProxy::Proxy;
+
+# This block needs to run before 'use lib srctop_dir' directives.
+BEGIN {
+    OpenSSL::Test::setup("no_test_here");
+}
+
+use lib srctop_dir("test", "recipes");
+
+use recipes::checkhandshake qw(checkhandshake @handmessages @extensions);
+
 my $test_name = "test_tls13messages";
 setup($test_name);
 
@@ -29,58 +39,66 @@ plan skip_all => "$test_name needs TLSv1.3 enabled"
 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
 $ENV{CTLOG_FILE} = srctop_file("test", "ct", "log_list.conf");
 
-use constant {
-    DEFAULT_HANDSHAKE => 1,
-    OCSP_HANDSHAKE => 2,
-    RESUME_HANDSHAKE => 4,
-    CLIENT_AUTH_HANDSHAKE => 8,
-    ALL_HANDSHAKES => 15
-};
 
-use constant {
-    DEFAULT_EXTENSIONS => 0x00000001,
-    SERVER_NAME_CLI_EXTENSION => 0x00000002,
-    SERVER_NAME_SRV_EXTENSION => 0x00000004,
-    STATUS_REQUEST_CLI_EXTENSION => 0x00000008,
-    STATUS_REQUEST_SRV_EXTENSION => 0x00000010,
-    ALPN_CLI_EXTENSION => 0x00000020,
-    ALPN_SRV_EXTENSION => 0x00000040,
-    SCT_CLI_EXTENSION => 0x00000080
-};
-
-my @handmessages = (
-    [TLSProxy::Message::MT_CLIENT_HELLO, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_SERVER_HELLO, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_CERTIFICATE_REQUEST, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE, ALL_HANDSHAKES & ~RESUME_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE_STATUS, OCSP_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, ALL_HANDSHAKES],
-    [TLSProxy::Message::MT_CERTIFICATE, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_CERTIFICATE_VERIFY, CLIENT_AUTH_HANDSHAKE],
-    [TLSProxy::Message::MT_FINISHED, ALL_HANDSHAKES],
+@handmessages = (
+    [TLSProxy::Message::MT_CLIENT_HELLO,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_SERVER_HELLO,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_CERTIFICATE_REQUEST,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE,
+        recipes::checkhandshake::ALL_HANDSHAKES & ~recipes::checkhandshake::RESUME_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE_STATUS,
+        recipes::checkhandshake::OCSP_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::ALL_HANDSHAKES],
+    [TLSProxy::Message::MT_CERTIFICATE,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
+        recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE],
+    [TLSProxy::Message::MT_FINISHED,
+        recipes::checkhandshake::ALL_HANDSHAKES],
     [0, 0]
 );
 
-my @extensions = (
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME, SERVER_NAME_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST, STATUS_REQUEST_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN, ALPN_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT, SCT_CLI_EXTENSION],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE, DEFAULT_EXTENSIONS],
-    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS, DEFAULT_EXTENSIONS],
-
-    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE, DEFAULT_EXTENSIONS],
-
-    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_SERVER_NAME, SERVER_NAME_SRV_EXTENSION],
-    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_STATUS_REQUEST, STATUS_REQUEST_SRV_EXTENSION],
-    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_ALPN, ALPN_SRV_EXTENSION],
+@extensions = (
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
+        recipes::checkhandshake::SERVER_NAME_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
+        recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
+        recipes::checkhandshake::ALPN_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
+        recipes::checkhandshake::SCT_CLI_EXTENSION],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+    [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+
+    [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
+        recipes::checkhandshake::DEFAULT_EXTENSIONS],
+
+    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_SERVER_NAME,
+        recipes::checkhandshake::SERVER_NAME_SRV_EXTENSION],
+    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_STATUS_REQUEST,
+        recipes::checkhandshake::STATUS_REQUEST_SRV_EXTENSION],
+    [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS, TLSProxy::Message::EXT_ALPN,
+        recipes::checkhandshake::ALPN_SRV_EXTENSION],
     [0,0,0]
 );
 
@@ -91,15 +109,15 @@ my $proxy = TLSProxy::Proxy->new(
     (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
 );
 
-sub checkmessages($$$);
-
 #Test 1: Check we get all the right messages for a default handshake
 (undef, my $session) = tempfile();
 #$proxy->serverconnects(2);
 $proxy->clientflags("-sess_out ".$session);
 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
 plan tests => 12;
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS, "Default handshake test");
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
+               "Default handshake test");
 
 #TODO(TLS1.3): Test temporarily disabled until we implement TLS1.3 resumption
 #Test 2: Resumption handshake
@@ -113,8 +131,9 @@ unlink $session;
 $proxy->clear();
 $proxy->clientflags("-status");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE,
-              DEFAULT_EXTENSIONS | STATUS_REQUEST_CLI_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+              recipes::checkhandshake::DEFAULT_EXTENSIONS
+              | recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION,
               "status_request handshake test (client)");
 
 #Test 4: A status_request handshake (server support only)
@@ -122,7 +141,8 @@ $proxy->clear();
 $proxy->serverflags("-status_file "
                     .srctop_file("test", "recipes", "ocsp-response.der"));
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
               "status_request handshake test (server)");
 
 #Test 5: A status_request handshake (client and server)
@@ -134,9 +154,10 @@ $proxy->clientflags("-status");
 $proxy->serverflags("-status_file "
                     .srctop_file("test", "recipes", "ocsp-response.der"));
 $proxy->start();
-checkmessages(OCSP_HANDSHAKE,
-              DEFAULT_EXTENSIONS | STATUS_REQUEST_CLI_EXTENSION
-              | STATUS_REQUEST_SRV_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::OCSP_HANDSHAKE,
+              recipes::checkhandshake::DEFAULT_EXTENSIONS
+              | recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION
+              | recipes::checkhandshake::STATUS_REQUEST_SRV_EXTENSION,
               "status_request handshake test");
 
 #Test 6: A client auth handshake
@@ -144,21 +165,25 @@ $proxy->clear();
 $proxy->clientflags("-cert ".srctop_file("apps", "server.pem"));
 $proxy->serverflags("-Verify 5");
 $proxy->start();
-checkmessages(CLIENT_AUTH_HANDSHAKE, DEFAULT_EXTENSIONS,
+checkhandshake($proxy, recipes::checkhandshake::CLIENT_AUTH_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
               "Client auth handshake test");
 
 #Test 7: Server name handshake (client request only)
 $proxy->clear();
 $proxy->clientflags("-servername testhost");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS | SERVER_NAME_CLI_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS
+               | recipes::checkhandshake::SERVER_NAME_CLI_EXTENSION,
               "Server name handshake test (client)");
 
 #Test 8: Server name handshake (server support only)
 $proxy->clear();
 $proxy->serverflags("-servername testhost");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
               "Server name handshake test (server)");
 
 #Test 9: Server name handshake (client and server)
@@ -166,23 +191,27 @@ $proxy->clear();
 $proxy->clientflags("-servername testhost");
 $proxy->serverflags("-servername testhost");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE,
-              DEFAULT_EXTENSIONS | SERVER_NAME_CLI_EXTENSION
-              | SERVER_NAME_SRV_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+              recipes::checkhandshake::DEFAULT_EXTENSIONS
+              | recipes::checkhandshake::SERVER_NAME_CLI_EXTENSION
+              | recipes::checkhandshake::SERVER_NAME_SRV_EXTENSION,
               "Server name handshake test");
 
 #Test 10: ALPN handshake (client request only)
 $proxy->clear();
 $proxy->clientflags("-alpn test");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS | ALPN_CLI_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS
+               | recipes::checkhandshake::ALPN_CLI_EXTENSION,
               "ALPN handshake test (client)");
 
 #Test 11: ALPN handshake (server support only)
 $proxy->clear();
 $proxy->serverflags("-alpn test");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE, DEFAULT_EXTENSIONS,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+               recipes::checkhandshake::DEFAULT_EXTENSIONS,
               "ALPN handshake test (server)");
               
 #Test 12: ALPN handshake (client and server)
@@ -190,8 +219,10 @@ $proxy->clear();
 $proxy->clientflags("-alpn test");
 $proxy->serverflags("-alpn test");
 $proxy->start();
-checkmessages(DEFAULT_HANDSHAKE,
-              DEFAULT_EXTENSIONS | ALPN_CLI_EXTENSION | ALPN_SRV_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::DEFAULT_HANDSHAKE,
+              recipes::checkhandshake::DEFAULT_EXTENSIONS
+              | recipes::checkhandshake::ALPN_CLI_EXTENSION
+              | recipes::checkhandshake::ALPN_SRV_EXTENSION,
               "ALPN handshake test");
 
 #Test 13: SCT handshake (client request only)
@@ -207,64 +238,9 @@ $proxy->clientflags("-ct");
 $proxy->serverflags("-status_file "
                     .srctop_file("test", "recipes", "ocsp-response.der"));
 $proxy->start();
-checkmessages(OCSP_HANDSHAKE,
-              DEFAULT_EXTENSIONS | SCT_CLI_EXTENSION
-              | STATUS_REQUEST_CLI_EXTENSION | STATUS_REQUEST_SRV_EXTENSION,
+checkhandshake($proxy, recipes::checkhandshake::OCSP_HANDSHAKE,
+              recipes::checkhandshake::DEFAULT_EXTENSIONS
+              | recipes::checkhandshake::SCT_CLI_EXTENSION
+              | recipes::checkhandshake::STATUS_REQUEST_CLI_EXTENSION
+              | recipes::checkhandshake::STATUS_REQUEST_SRV_EXTENSION,
               "SCT handshake test");
-
-sub checkmessages($$$)
-{
-    my ($handtype, $exttype, $testname) = @_;
-
-    subtest $testname => sub {
-        my $loop = 0;
-        my $numtests;
-        my $extcount;
-
-        #First count the number of tests
-        for ($numtests = 1; $handmessages[$loop][1] != 0; $loop++) {
-            $numtests++ if (($handmessages[$loop][1] & $handtype) != 0);
-        }
-
-        #Add number of extensions we check plus 3 for the number of messages
-        #that contain extensions
-        $numtests += $#extensions + 3;
-
-        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++;
-
-
-            next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO
-                    && $message->mt() != TLSProxy::Message::MT_SERVER_HELLO
-                    && $message->mt() !=
-                       TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS);
-             #Now check that we saw the extensions we expected
-             my $msgexts = $message->extension_data();
-             for (my $extloop = 0, $extcount = 0; $extensions[$extloop][2] != 0;
-                                $extloop++) {
-                next if ($message->mt() != $extensions[$extloop][0]);
-                ok (($extensions[$extloop][2] & $exttype) == 0
-                      || defined ($msgexts->{$extensions[$extloop][1]}),
-                    "Extension presence check (Message: ".$message->mt()
-                    ." Extension: ".($extensions[$extloop][2] & $exttype).", "
-                    .$extloop.")");
-                $extcount++ if (($extensions[$extloop][2] & $exttype) != 0);
-             }
-            ok($extcount == keys %$msgexts, "Extensions count mismatch ("
-                                            .$extcount.", ".(keys %$msgexts)
-                                            .")");
-        }
-        ok($handmessages[$loop][1] == 0, "All expected messages processed");
-    }
-}
diff --git a/test/recipes/checkhandshake.pm b/test/recipes/checkhandshake.pm
new file mode 100644
index 0000000000..04ca9296c7
--- /dev/null
+++ b/test/recipes/checkhandshake.pm
@@ -0,0 +1,123 @@
+#! /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
+
+package recipes::checkhandshake;
+
+use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
+use OpenSSL::Test::Utils;
+use TLSProxy::Proxy;
+
+use Exporter;
+our @ISA = 'Exporter';
+our @EXPORT = qw(@handmessages @extensions checkhandshake);
+
+use constant {
+    DEFAULT_HANDSHAKE => 1,
+    OCSP_HANDSHAKE => 2,
+    RESUME_HANDSHAKE => 4,
+    CLIENT_AUTH_HANDSHAKE => 8,
+    RENEG_HANDSHAKE => 16,
+
+    ALL_HANDSHAKES => 31
+};
+
+use constant {
+    #DEFAULT ALSO INCLUDES SESSION_TICKET_SRV_EXTENSION
+    DEFAULT_EXTENSIONS => 0x00000003,
+    SESSION_TICKET_SRV_EXTENSION => 0x00000002,
+    SERVER_NAME_CLI_EXTENSION => 0x00000004,
+    SERVER_NAME_SRV_EXTENSION => 0x00000008,
+    STATUS_REQUEST_CLI_EXTENSION => 0x00000010,
+    STATUS_REQUEST_SRV_EXTENSION => 0x00000020,
+    ALPN_CLI_EXTENSION => 0x00000040,
+    ALPN_SRV_EXTENSION => 0x00000080,
+    SCT_CLI_EXTENSION => 0x00000100,
+    RENEGOTIATE_CLI_EXTENSION => 0x00000200
+};
+
+our @handmessages = ();
+our @extensions = ();
+
+sub checkhandshake($$$$)
+{
+    my ($proxy, $handtype, $exttype, $testname) = @_;
+
+    subtest $testname => sub {
+        my $loop = 0;
+        my $numtests;
+        my $extcount;
+        my $clienthelloseen = 0;
+
+        #First count the number of tests
+        for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) {
+            $numtests++ if (($handmessages[$loop][1] & $handtype) != 0);
+        }
+
+        #Add number of extensions we check plus 2 for the number of messages
+        #that contain extensions
+        $numtests += $#extensions + 2;
+        #In a renegotiation we will have double the number of extension tests
+        if (($handtype & RENEG_HANDSHAKE) != 0) {
+            $numtests += $#extensions + 2;
+        }
+        #In TLS1.3 there are 3 messages with extensions (and no renegotiations)
+        $numtests += 1 if ($proxy->is_tls13());
+
+        plan tests => $numtests;
+
+        my $nextmess = 0;
+        my $message = undef;
+        for ($loop = 0; $handmessages[$loop][1] != 0; $loop++) {
+            next if (($handmessages[$loop][1] & $handtype) == 0);
+            if (scalar @{$proxy->message_list} > $nextmess) {
+                $message = ${$proxy->message_list}[$nextmess];
+                $nextmess++;
+            } else {
+                $message = undef;
+            }
+            if (!defined $message) {
+                fail("Message type check. Got nothing, expected "
+                     .$handmessages[$loop][0]);
+                next;
+            } else {
+                ok($message->mt == $handmessages[$loop][0],
+                   "Message type check. Got ".$message->mt
+                   .", expected ".$handmessages[$loop][0]);
+            }
+
+            next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO
+                    && $message->mt() != TLSProxy::Message::MT_SERVER_HELLO
+                    && $message->mt() !=
+                       TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS);
+
+            if ($message->mt() == TLSProxy::Message::MT_CLIENT_HELLO) {
+                #Add renegotiate extension we will expect if renegotiating
+                $exttype |= RENEGOTIATE_CLI_EXTENSION if ($clienthelloseen);
+                $clienthelloseen = 1;
+            }
+            #Now check that we saw the extensions we expected
+            my $msgexts = $message->extension_data();
+
+            for (my $extloop = 0, $extcount = 0; $extensions[$extloop][2] != 0;
+                                $extloop++) {
+                next if ($message->mt() != $extensions[$extloop][0]);
+                ok (($extensions[$extloop][2] & $exttype) == 0
+                      || defined ($msgexts->{$extensions[$extloop][1]}),
+                    "Extension presence check (Message: ".$message->mt()
+                    ." Extension: ".($extensions[$extloop][2] & $exttype).", "
+                    .$extloop.")");
+                $extcount++ if (($extensions[$extloop][2] & $exttype) != 0);
+             }
+            ok($extcount == keys %$msgexts, "Extensions count mismatch ("
+                                            .$extcount.", ".(keys %$msgexts)
+                                            .")");
+        }
+    }
+}
+
+1;