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120 lines
3.8 KiB
Perl
120 lines
3.8 KiB
Perl
#! /usr/bin/env perl
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# Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use strict;
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use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
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use OpenSSL::Test::Utils;
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use TLSProxy::Proxy;
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my $test_name = "test_tls13cookie";
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setup($test_name);
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plan skip_all => "TLSProxy isn't usable on $^O"
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if $^O =~ /^(VMS)$/;
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plan skip_all => "$test_name needs the dynamic engine feature enabled"
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if disabled("engine") || disabled("dynamic-engine");
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plan skip_all => "$test_name needs the sock feature enabled"
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if disabled("sock");
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plan skip_all => "$test_name needs TLS1.3 enabled"
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if disabled("tls1_3") || (disabled("ec") && disabled("dh"));
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use constant {
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COOKIE_ONLY => 0,
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COOKIE_AND_KEY_SHARE => 1
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};
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my $proxy = TLSProxy::Proxy->new(
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undef,
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cmdstr(app(["openssl"]), display => 1),
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srctop_file("apps", "server.pem"),
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(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
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);
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my $cookieseen = 0;
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my $testtype;
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#Test 1: Inserting a cookie into an HRR should see it echoed in the ClientHello
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$testtype = COOKIE_ONLY;
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$proxy->filter(\&cookie_filter);
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$proxy->serverflags("-curves X25519") if !disabled("ecx");
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$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
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plan tests => 2;
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SKIP: {
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skip "ECX disabled", 1, if (disabled("ecx"));
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ok(TLSProxy::Message->success() && $cookieseen == 1, "Cookie seen");
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}
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#Test 2: Same as test 1 but should also work where a new key_share is also
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# required
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$testtype = COOKIE_AND_KEY_SHARE;
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$proxy->clear();
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if (disabled("ecx")) {
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$proxy->clientflags("-curves ffdhe3072:ffdhe2048");
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$proxy->serverflags("-curves ffdhe2048");
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} else {
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$proxy->clientflags("-curves P-256:X25519");
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$proxy->serverflags("-curves X25519");
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}
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$proxy->start();
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ok(TLSProxy::Message->success() && $cookieseen == 1, "Cookie seen");
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sub cookie_filter
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{
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my $proxy = shift;
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# We're only interested in the HRR and both ClientHellos
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return if ($proxy->flight > 2);
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my $ext = pack "C8",
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0x00, 0x06, #Cookie Length
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0x00, 0x01, #Dummy cookie data (6 bytes)
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0x02, 0x03,
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0x04, 0x05;
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foreach my $message (@{$proxy->message_list}) {
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if ($message->mt == TLSProxy::Message::MT_SERVER_HELLO
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&& ${$message->records}[0]->flight == 1) {
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$message->delete_extension(TLSProxy::Message::EXT_KEY_SHARE)
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if ($testtype == COOKIE_ONLY);
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$message->set_extension(TLSProxy::Message::EXT_COOKIE, $ext);
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$message->repack();
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} elsif ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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if (${$message->records}[0]->flight == 0) {
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if ($testtype == COOKIE_ONLY) {
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my $ext = pack "C7",
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0x00, 0x05, #List Length
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0x00, 0x17, #P-256
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0x00, 0x01, #key_exchange data length
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0xff; #Dummy key_share data
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# Trick the server into thinking we got an unacceptable
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# key_share
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$message->set_extension(
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TLSProxy::Message::EXT_KEY_SHARE, $ext);
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$message->repack();
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}
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} else {
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#cmp can behave differently dependent on locale
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no locale;
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my $cookie =
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$message->extension_data->{TLSProxy::Message::EXT_COOKIE};
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return if !defined($cookie);
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return if ($cookie cmp $ext) != 0;
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$cookieseen = 1;
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}
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}
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}
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}
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