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#! /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;
use File::Temp qw(tempfile);
my $test_name = "test_sslsessiontick";
setup($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");
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
sub checkmessages($$$$$$);
sub clearclient();
sub clearall();
my $chellotickext = 0;
my $shellotickext = 0;
my $fullhand = 0;
my $ticketseen = 0;
my $proxy = TLSProxy::Proxy->new(
undef,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
plan tests => 8;
#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->clearClient();
$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->clearClient();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientstart();
checkmessages(5, "Session resumption with ticket capable client without a "
."ticket", 1, 1, 1, 0);
#Test 6: Client accepts empty ticket.
#Expected result: ClientHello extension seen; ServerHello extension seen;
# NewSessionTicket message seen; Full handshake.
clearall();
$proxy->filter(\&ticket_filter);
$proxy->start();
checkmessages(6, "Empty ticket test", 1, 1, 1, 1);
#Test 7-8: Client keeps existing ticket on empty ticket.
clearall();
($fh, $session) = tempfile();
$proxy->serverconnects(3);
$proxy->filter(undef);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session." -sess_out ".$session);
$proxy->filter(\&inject_empty_ticket_filter);
$proxy->clientstart();
#Expected result: ClientHello extension seen; ServerHello extension seen;
# NewSessionTicket message seen; Abbreviated handshake.
checkmessages(7, "Empty ticket resumption test", 1, 1, 1, 0);
clearclient();
$proxy->clientflags("-sess_in ".$session);
$proxy->filter(undef);
$proxy->clientstart();
#Expected result: ClientHello extension seen; ServerHello extension not seen;
# NewSessionTicket message not seen; Abbreviated handshake.
checkmessages(8, "Empty ticket resumption test", 1, 0, 0, 0);
sub ticket_filter
{
my $proxy = shift;
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_NEW_SESSION_TICKET) {
$message->ticket("");
$message->repack();
}
}
}
sub inject_empty_ticket_filter {
my $proxy = shift;
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_NEW_SESSION_TICKET) {
# Only inject the message first time we're called.
return;
}
}
my @new_message_list = ();
foreach my $message (@{$proxy->message_list}) {
push @new_message_list, $message;
if ($message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
$message->set_extension(TLSProxy::Message::EXT_SESSION_TICKET, "");
$message->repack();
# Tack NewSessionTicket onto the ServerHello record.
# This only works if the ServerHello is exactly one record.
my $record = ${$message->records}[0];
my $offset = $message->startoffset + $message->encoded_length;
my $newsessionticket = TLSProxy::NewSessionTicket->new(
1, "", [$record], $offset, []);
$newsessionticket->repack();
push @new_message_list, $newsessionticket;
}
}
$proxy->message_list([@new_message_list]);
}
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
$extensions{TLSProxy::Message::EXT_SESSION_TICKET}) {
if ($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) {
$ticketseen = 1;
}
}
plan tests => 5;
ok(TLSProxy::Message->success, "Handshake");
ok(($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 clearclient()
{
$chellotickext = 0;
$shellotickext = 0;
$fullhand = 0;
$ticketseen = 0;
$proxy->clearClient();
}
sub clearall()
{
clearclient();
$proxy->clear();
}
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