openssl/test/recipes/70-test_sslsessiontick.t

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

use strict;
use OpenSSL::Test qw/:DEFAULT cmdstr top_file top_dir/;
use TLSProxy::Proxy;
use File::Temp qw(tempfile);

my $test_name = "test_sslsessiontick";
setup($test_name);

plan skip_all => "$test_name can only be performed with OpenSSL configured shared"
    unless (map { chomp; s/^SHARED_LIBS=\s*//; $_ }
	    grep { /^SHARED_LIBS=/ }
	    do { local @ARGV = ( top_file("Makefile") ); <> })[0] ne "";

$ENV{OPENSSL_ENGINES} = top_dir("engines");
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';

sub checkmessages($$$$$$);
sub clearall();

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

my $proxy = TLSProxy::Proxy->new(
    undef,
    cmdstr(app(["openssl"])),
    top_file("apps", "server.pem")
);

plan tests => 5;

#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();
($fh, $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) = @_;

    subtest $testname => sub {

	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;
	    }
	}

	plan tests => 5;

	ok(TLSProxy::Message->success, "Hanshake");
	ok(($testch && $chellotickext) || (!$testch && !$chellotickext),
	   "ClientHello extension Session Ticket check");
	ok(($testsh && $shellotickext) || (!$testsh && !$shellotickext),
	   "ServerHello extension Session Ticket check");
	ok(($testtickseen && $ticketseen) || (!$testtickseen && !$ticketseen),
	   "Session Ticket message presence check");
	ok(($testhand && $fullhand) || (!$testhand && !$fullhand),
	   "Session Ticket full handshake check");
    }
}

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