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+#!/usr/bin/perl
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+# Written by Stephen Henson for the OpenSSL project.
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+# ====================================================================
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+# Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
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+#
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+# Redistribution and use in source and binary forms, with or without
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+# modification, are permitted provided that the following conditions
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+# are met:
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+#
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+# 1. Redistributions of source code must retain the above copyright
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+# notice, this list of conditions and the following disclaimer.
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+#
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+# 2. Redistributions in binary form must reproduce the above copyright
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+# notice, this list of conditions and the following disclaimer in
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+# the documentation and/or other materials provided with the
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+# distribution.
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+#
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+# 3. All advertising materials mentioning features or use of this
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+# software must display the following acknowledgment:
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+# "This product includes software developed by the OpenSSL Project
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+# for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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+#
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+# 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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+# endorse or promote products derived from this software without
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+# prior written permission. For written permission, please contact
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+# openssl-core@openssl.org.
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+#
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+# 5. Products derived from this software may not be called "OpenSSL"
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+# nor may "OpenSSL" appear in their names without prior written
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+# permission of the OpenSSL Project.
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+#
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+# 6. Redistributions of any form whatsoever must retain the following
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+# acknowledgment:
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+# "This product includes software developed by the OpenSSL Project
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+# for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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+#
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+# THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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+# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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+# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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+# OF THE POSSIBILITY OF SUCH DAMAGE.
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+# ====================================================================
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+#
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+# This product includes cryptographic software written by Eric Young
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+# (eay@cryptsoft.com). This product includes software written by Tim
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+# Hudson (tjh@cryptsoft.com).
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+
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+use strict;
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+use OpenSSL::Test qw/:DEFAULT cmdstr top_file top_dir/;
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+use TLSProxy::Proxy;
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+use File::Temp qw(tempfile);
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+
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+my $test_name = "test_tlsextms";
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+setup($test_name);
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+
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+plan skip_all => "$test_name can only be performed with OpenSSL configured shared"
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+ unless (map { s/\R//; s/^SHARED_LIBS=\s*//; $_ }
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+ grep { /^SHARED_LIBS=/ }
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+ do { local @ARGV = ( top_file("Makefile") ); <> })[0] ne "";
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+
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+$ENV{OPENSSL_ENGINES} = top_dir("engines");
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+$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
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+
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+sub checkmessages($$$$$);
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+sub setrmextms($$);
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+sub clearall();
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+
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+my $crmextms = 0;
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+my $srmextms = 0;
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+my $cextms = 0;
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+my $sextms = 0;
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+my $fullhand = 0;
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+
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+my $proxy = TLSProxy::Proxy->new(
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+ \&extms_filter,
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+ cmdstr(app(["openssl"])),
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+ top_file("apps", "server.pem"),
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+ 1
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+);
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+
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+plan tests => 9;
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+
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+#Test 1: By default server and client should send extended master secret
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+# extension.
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+#Expected result: ClientHello extension seen; ServerHello extension seen
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+# Full handshake
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+
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+setrmextms(0, 0);
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+$proxy->start();
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+checkmessages(1, "Default extended master secret test", 1, 1, 1);
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+
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+#Test 2: If client omits extended master secret extension, server should too.
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+#Expected result: ClientHello extension not seen; ServerHello extension not seen
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+# Full handshake
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+
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+clearall();
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+setrmextms(1, 0);
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+$proxy->start();
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+checkmessages(2, "No client extension extended master secret test", 0, 0, 1);
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+
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+# Test 3: same as 1 but with session tickets disabled.
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+# Expected result: same as test 1.
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+
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+clearall();
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+$proxy->clientflags("-no_ticket");
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+setrmextms(0, 0);
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+$proxy->start();
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+checkmessages(3, "No ticket extended master secret test", 1, 1, 1);
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+
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+# Test 4: same as 2 but with session tickets disabled.
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+# Expected result: same as test 2.
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+
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+clearall();
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+$proxy->clientflags("-no_ticket");
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+setrmextms(1, 0);
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+$proxy->start();
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+checkmessages(2, "No ticket, no client extension extended master secret test", 0, 0, 1);
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+
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+#Test 5: Session resumption extended master secret test
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+#
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+#Expected result: ClientHello extension seen; ServerHello extension seen
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+# Abbreviated handshake
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+
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+clearall();
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+setrmextms(0, 0);
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+(my $fh, my $session) = tempfile();
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+$proxy->serverconnects(2);
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+$proxy->clientflags("-sess_out ".$session);
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+$proxy->start();
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+$proxy->clear();
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+$proxy->clientflags("-sess_in ".$session);
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+$proxy->clientstart();
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+checkmessages(5, "Session resumption extended master secret test", 1, 1, 0);
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+
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+#Test 6: Session resumption extended master secret test orginial session
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+# omits extension. Server must not resume session.
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+#Expected result: ClientHello extension seen; ServerHello extension seen
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+# Full handshake
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+
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+clearall();
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+setrmextms(1, 0);
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+($fh, $session) = tempfile();
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+$proxy->serverconnects(2);
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+$proxy->clientflags("-sess_out ".$session);
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+$proxy->start();
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+$proxy->clear();
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+$proxy->clientflags("-sess_in ".$session);
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+setrmextms(0, 0);
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+$proxy->clientstart();
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+checkmessages(6, "Session resumption extended master secret test", 1, 1, 1);
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+
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+#Test 7: Session resumption extended master secret test resumed session
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+# omits client extension. Server must abort connection.
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+#Expected result: aborted connection.
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+
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+clearall();
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+setrmextms(0, 0);
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+($fh, $session) = tempfile();
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+$proxy->serverconnects(2);
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+$proxy->clientflags("-sess_out ".$session);
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+$proxy->start();
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+$proxy->clear();
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+$proxy->clientflags("-sess_in ".$session);
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+setrmextms(1, 0);
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+$proxy->clientstart();
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+ok(TLSProxy::Message->fail(), "Client inconsistent session resupmption");
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+
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+#Test 8: Session resumption extended master secret test resumed session
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+# omits server extension. Client must abort connection.
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+#Expected result: aborted connection.
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+
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+clearall();
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+setrmextms(0, 0);
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+($fh, $session) = tempfile();
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+$proxy->serverconnects(2);
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+$proxy->clientflags("-sess_out ".$session);
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+$proxy->start();
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+$proxy->clear();
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+$proxy->clientflags("-sess_in ".$session);
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+setrmextms(0, 1);
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+$proxy->clientstart();
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+ok(TLSProxy::Message->fail(), "Server inconsistent session resumption 1");
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+
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+#Test 9: Session resumption extended master secret test initial session
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+# omits server extension. Client must abort connection.
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+#Expected result: aborted connection.
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+
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+clearall();
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+setrmextms(0, 1);
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+($fh, $session) = tempfile();
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+$proxy->serverconnects(2);
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+$proxy->clientflags("-sess_out ".$session);
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+$proxy->start();
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+$proxy->clear();
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+$proxy->clientflags("-sess_in ".$session);
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+setrmextms(0, 0);
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+$proxy->clientstart();
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+ok(TLSProxy::Message->fail(), "Server inconsistent session resumption 2");
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+
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+sub extms_filter
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+{
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+ my $proxy = shift;
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+
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+ foreach my $message (@{$proxy->message_list}) {
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+ if ($crmextms && $message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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+ $message->delete_extension(TLSProxy::ClientHello::EXT_EXTENDED_MASTER_SECRET);
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+ $message->repack();
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+ }
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+ if ($srmextms && $message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
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+ $message->delete_extension(TLSProxy::ClientHello::EXT_EXTENDED_MASTER_SECRET);
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+ $message->repack();
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+ }
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+ }
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+}
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+
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+sub checkmessages($$$$$)
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+{
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+ my ($testno, $testname, $testcextms, $testsextms, $testhand) = @_;
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+
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+ subtest $testname => sub {
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+
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+ foreach my $message (@{$proxy->message_list}) {
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+ if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO
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+ || $message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
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+ #Get the extensions data
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+ my %extensions = %{$message->extension_data};
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+ if (defined
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+ $extensions{TLSProxy::ClientHello::EXT_EXTENDED_MASTER_SECRET}) {
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+ if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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+ $cextms = 1;
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+ } else {
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+ $sextms = 1;
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+ }
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+ }
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+ } elsif ($message->mt == TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE) {
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+ #Must be doing a full handshake
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+ $fullhand = 1;
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+ }
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+ }
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+
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+ plan tests => 4;
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+
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+ ok(TLSProxy::Message->success, "Handshake");
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+
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+ ok($testcextms == $cextms,
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+ "ClientHello extension extended master secret check");
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+ ok($testsextms == $sextms,
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+ "ServerHello extension extended master secret check");
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+ ok($testhand == $fullhand,
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+ "Extended master secret full handshake check");
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+
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+ }
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+}
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+
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+sub setrmextms($$)
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+{
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+ ($crmextms, $srmextms) = @_;
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+}
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+
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+sub clearall()
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+{
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+ $cextms = 0;
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+ $sextms = 0;
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+ $fullhand = 0;
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+ $proxy->clear();
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+}
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