openssl/test/sslsessionticktest.pl

#!/usr/bin/perl
# Written by Matt Caswell for the OpenSSL project.
# ====================================================================
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# This product includes cryptographic software written by Eric Young
# (eay@cryptsoft.com).  This product includes software written by Tim
# Hudson (tjh@cryptsoft.com).

use strict;
use TLSProxy::Proxy;
use File::Temp qw(tempfile);

my $chellotickext = 0;
my $shellotickext = 0;
my $fullhand = 0;
my $ticketseen = 0;

my $proxy = TLSProxy::Proxy->new(
    undef,
    @ARGV
);

#Test 1: By default with no existing session we should get a session ticket
#Expected result: ClientHello extension seen; ServerHello extension seen
#                 NewSessionTicket message seen; Full handshake
$proxy->start();
checkmessages(1, "Default session ticket test", 1, 1, 1, 1);

#Test 2: If the server does not accept tickets we should get a normal handshake
#with no session tickets
#Expected result: ClientHello extension seen; ServerHello extension not seen
#                 NewSessionTicket message not seen; Full handshake
clearall();
$proxy->serverflags("-no_ticket");
$proxy->start();
checkmessages(2, "No server support session ticket test", 1, 0, 0, 1);

#Test 3: If the client does not accept tickets we should get a normal handshake
#with no session tickets
#Expected result: ClientHello extension not seen; ServerHello extension not seen
#                 NewSessionTicket message not seen; Full handshake
clearall();
$proxy->clientflags("-no_ticket");
$proxy->start();
checkmessages(3, "No client support session ticket test", 0, 0, 0, 1);

#Test 4: Test session resumption with session ticket
#Expected result: ClientHello extension seen; ServerHello extension not seen
#                 NewSessionTicket message not seen; Abbreviated handshake
clearall();
(my $fh, my $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clear();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientstart();
checkmessages(4, "Session resumption session ticket test", 1, 0, 0, 0);

#Test 5: Test session resumption with ticket capable client without a ticket
#Expected result: ClientHello extension seen; ServerHello extension seen
#                 NewSessionTicket message seen; Abbreviated handshake
clearall();
(my $fh, my $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session." -no_ticket");
$proxy->start();
$proxy->clear();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientstart();
checkmessages(5, "Session resumption with ticket capable client without a "
                 ."ticket", 1, 1, 1, 0);

sub checkmessages()
{
    my ($testno, $testname, $testch, $testsh, $testtickseen, $testhand) = @_;

    foreach my $message (@{$proxy->message_list}) {
        if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO
                || $message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
            #Get the extensions data
            my %extensions = %{$message->extension_data};
            if (defined
                    $extensions{TLSProxy::ClientHello::EXT_SESSION_TICKET}) {
                if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
                    $chellotickext = 1;
                } else {
                    $shellotickext = 1;
                }
            }
        } elsif ($message->mt == TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE) {
            #Must be doing a full handshake
            $fullhand = 1;
        } elsif ($message->mt == TLSProxy::Message::MT_NEW_SESSION_TICKET) {
            $ticketseen = 1;
        }
    }

    TLSProxy::Message->success or die "FAILED: $testname: Hanshake failed "
                                      ."(Test $testno)\n";
    if (($testch && !$chellotickext) || (!$testch && $chellotickext)) {
        die "FAILED: $testname: ClientHello extension Session Ticket check "
            ."failed (Test $testno)\n";
    }
    if (($testsh && !$shellotickext) || (!$testsh && $shellotickext)) {
        die "FAILED: $testname: ServerHello extension Session Ticket check "
            ."failed (Test $testno)\n";
    }
    if (($testtickseen && !$ticketseen) || (!$testtickseen && $ticketseen)) {
        die "FAILED: $testname: Session Ticket message presence check failed "
            ."(Test $testno)\n";
    }
    if (($testhand && !$fullhand) || (!$testhand && $fullhand)) {
        die "FAILED: $testname: Session Ticket full handshake check failed "
            ."(Test $testno)\n";
    }
    print "SUCCESS: $testname (Test#$testno)\n";
}

sub clearall()
{
    $chellotickext = 0;
    $shellotickext = 0;
    $fullhand = 0;
    $ticketseen = 0;
    $proxy->clear();
}