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#!/usr/bin/perl
# Written by Matt Caswell for the OpenSSL project.
# ====================================================================
# Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. All advertising materials mentioning features or use of this
# software must display the following acknowledgment:
# "This product includes software developed by the OpenSSL Project
# for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
#
# 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
# endorse or promote products derived from this software without
# prior written permission. For written permission, please contact
# openssl-core@openssl.org.
#
# 5. Products derived from this software may not be called "OpenSSL"
# nor may "OpenSSL" appear in their names without prior written
# permission of the OpenSSL Project.
#
# 6. Redistributions of any form whatsoever must retain the following
# acknowledgment:
# "This product includes software developed by the OpenSSL Project
# for use in the OpenSSL Toolkit (http://www.openssl.org/)"
#
# THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
# ====================================================================
#
# 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 OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
use OpenSSL::Test::Utils;
use TLSProxy::Proxy;
my $test_name = "test_sslextension";
setup($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';
my $proxy = TLSProxy::Proxy->new(
\&extension_filter,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
plan tests => 3;
# Test 1: Sending a zero length extension block should pass
$proxy->start();
ok(TLSProxy::Message->success, "Zero extension length test");
sub extension_filter
{
my $proxy = shift;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
# Remove all extensions and set the extension len to zero
$message->extension_data({});
$message->extensions_len(0);
# Extensions have been removed so make sure we don't try to use them
$message->process_extensions();
$message->repack();
}
}
}
# Test 2-3: Sending a duplicate extension should fail.
sub inject_duplicate_extension
{
my ($proxy, $message_type) = @_;
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == $message_type) {
my %extensions = %{$message->extension_data};
# Add a duplicate (unknown) extension.
$message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
$message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
$message->repack();
}
}
}
sub inject_duplicate_extension_clienthello
{
my $proxy = shift;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
}
sub inject_duplicate_extension_serverhello
{
my $proxy = shift;
# We're only interested in the initial ServerHello
if ($proxy->flight != 1) {
return;
}
inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
}
$proxy->clear();
$proxy->filter(\&inject_duplicate_extension_clienthello);
$proxy->start();
ok(TLSProxy::Message->fail(), "Duplicate ClientHello extension");
$proxy->clear();
$proxy->filter(\&inject_duplicate_extension_serverhello);
$proxy->start();
ok(TLSProxy::Message->fail(), "Duplicate ServerHello extension");
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