426dfc9ff7
Reviewed-by: Ben Kaduk <kaduk@mit.edu> (Merged from https://github.com/openssl/openssl/pull/4701)
341 lines
14 KiB
Perl
341 lines
14 KiB
Perl
#! /usr/bin/env perl
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# Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (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 srctop_dir bldtop_dir/;
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use OpenSSL::Test::Utils;
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use File::Temp qw(tempfile);
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use TLSProxy::Proxy;
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use checkhandshake qw(checkhandshake @handmessages @extensions);
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my $test_name = "test_tls13kexmodes";
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setup($test_name);
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plan skip_all => "TLSProxy isn't usable on $^O"
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if $^O =~ /^(VMS|MSWin32)$/;
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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 => "$test_name needs TLSv1.3 enabled"
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if disabled("tls1_3");
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$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
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$ENV{CTLOG_FILE} = srctop_file("test", "ct", "log_list.conf");
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@handmessages = (
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[TLSProxy::Message::MT_CLIENT_HELLO,
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checkhandshake::ALL_HANDSHAKES],
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[TLSProxy::Message::MT_SERVER_HELLO,
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checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
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[TLSProxy::Message::MT_CLIENT_HELLO,
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checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
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[TLSProxy::Message::MT_SERVER_HELLO,
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checkhandshake::ALL_HANDSHAKES],
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[TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS,
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checkhandshake::ALL_HANDSHAKES],
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[TLSProxy::Message::MT_CERTIFICATE_REQUEST,
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checkhandshake::CLIENT_AUTH_HANDSHAKE],
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[TLSProxy::Message::MT_CERTIFICATE,
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checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
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[TLSProxy::Message::MT_CERTIFICATE_VERIFY,
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checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
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[TLSProxy::Message::MT_FINISHED,
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checkhandshake::ALL_HANDSHAKES],
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[TLSProxy::Message::MT_CERTIFICATE,
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checkhandshake::CLIENT_AUTH_HANDSHAKE],
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[TLSProxy::Message::MT_CERTIFICATE_VERIFY,
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checkhandshake::CLIENT_AUTH_HANDSHAKE],
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[TLSProxy::Message::MT_FINISHED,
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checkhandshake::ALL_HANDSHAKES],
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[0, 0]
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);
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@extensions = (
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
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checkhandshake::SERVER_NAME_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
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checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
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checkhandshake::ALPN_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
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checkhandshake::SCT_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
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checkhandshake::PSK_KEX_MODES_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
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checkhandshake::PSK_CLI_EXTENSION],
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[TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
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checkhandshake::KEY_SHARE_HRR_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
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checkhandshake::SERVER_NAME_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
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checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
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checkhandshake::ALPN_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
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checkhandshake::SCT_CLI_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
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checkhandshake::PSK_KEX_MODES_EXTENSION],
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[TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
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checkhandshake::PSK_CLI_EXTENSION],
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[TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
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checkhandshake::DEFAULT_EXTENSIONS],
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[TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
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checkhandshake::KEY_SHARE_SRV_EXTENSION],
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[TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_PSK,
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checkhandshake::PSK_SRV_EXTENSION],
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[TLSProxy::Message::MT_CERTIFICATE, TLSProxy::Message::EXT_STATUS_REQUEST,
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checkhandshake::STATUS_REQUEST_SRV_EXTENSION],
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[0,0,0]
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);
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use constant {
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DELETE_EXTENSION => 0,
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EMPTY_EXTENSION => 1,
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NON_DHE_KEX_MODE_ONLY => 2,
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DHE_KEX_MODE_ONLY => 3,
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UNKNOWN_KEX_MODES => 4,
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BOTH_KEX_MODES => 5
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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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#Test 1: First get a session
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(undef, my $session) = tempfile();
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$proxy->clientflags("-sess_out ".$session);
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$proxy->serverflags("-servername localhost");
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$proxy->sessionfile($session);
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$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
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plan tests => 11;
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ok(TLSProxy::Message->success(), "Initial connection");
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#Test 2: Attempt a resume with no kex modes extension. Should not resume
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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my $testtype = DELETE_EXTENSION;
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$proxy->filter(\&modify_kex_modes_filter);
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$proxy->start();
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checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION,
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"Resume with no kex modes");
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#Test 3: Attempt a resume with empty kex modes extension. Should fail (empty
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# extension is invalid)
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$testtype = EMPTY_EXTENSION;
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Resume with empty kex modes");
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#Test 4: Attempt a resume with non-dhe kex mode only. Should resume without a
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# key_share
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$proxy->clear();
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$proxy->clientflags("-allow_no_dhe_kex -sess_in ".$session);
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$proxy->serverflags("-allow_no_dhe_kex");
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$testtype = NON_DHE_KEX_MODE_ONLY;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with non-dhe kex mode");
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#Test 5: Attempt a resume with dhe kex mode only. Should resume with a key_share
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$testtype = DHE_KEX_MODE_ONLY;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with non-dhe kex mode");
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#Test 6: Attempt a resume with only unrecognised kex modes. Should not resume
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$testtype = UNKNOWN_KEX_MODES;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION,
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"Resume with empty kex modes");
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#Test 7: Attempt a resume with both non-dhe and dhe kex mode. Should resume with
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# a key_share
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$testtype = BOTH_KEX_MODES;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with non-dhe kex mode");
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#Test 8: Attempt a resume with both non-dhe and dhe kex mode, but unacceptable
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# initial key_share. Should resume with a key_share following an HRR
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$proxy->serverflags("-curves P-256");
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$testtype = BOTH_KEX_MODES;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::KEY_SHARE_HRR_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with both kex modes and HRR");
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#Test 9: Attempt a resume with dhe kex mode only and an unacceptable initial
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# key_share. Should resume with a key_share following an HRR
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$proxy->clear();
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$proxy->clientflags("-sess_in ".$session);
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$proxy->serverflags("-curves P-256");
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$testtype = DHE_KEX_MODE_ONLY;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::KEY_SHARE_SRV_EXTENSION
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| checkhandshake::KEY_SHARE_HRR_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with dhe kex mode and HRR");
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#Test 10: Attempt a resume with both non-dhe and dhe kex mode, unacceptable
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# initial key_share and no overlapping groups. Should resume without a
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# key_share
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$proxy->clear();
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$proxy->clientflags("-allow_no_dhe_kex -curves P-384 -sess_in ".$session);
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$proxy->serverflags("-allow_no_dhe_kex -curves P-256");
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$testtype = BOTH_KEX_MODES;
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$proxy->start();
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checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
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checkhandshake::DEFAULT_EXTENSIONS
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| checkhandshake::PSK_KEX_MODES_EXTENSION
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| checkhandshake::PSK_CLI_EXTENSION
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| checkhandshake::PSK_SRV_EXTENSION,
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"Resume with both kex modes, no overlapping groups");
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#Test 11: Attempt a resume with dhe kex mode only, unacceptable
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# initial key_share and no overlapping groups. Should fail
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$proxy->clear();
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$proxy->clientflags("-curves P-384 -sess_in ".$session);
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$proxy->serverflags("-curves P-256");
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$testtype = DHE_KEX_MODE_ONLY;
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$proxy->start();
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ok(TLSProxy::Message->fail(), "Resume with dhe kex mode, no overlapping groups");
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unlink $session;
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sub modify_kex_modes_filter
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{
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my $proxy = shift;
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# We're only interested in the initial ClientHello
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return if ($proxy->flight != 0);
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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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my $ext;
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if ($testtype == EMPTY_EXTENSION) {
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$ext = pack "C",
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0x00; #List length
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} elsif ($testtype == NON_DHE_KEX_MODE_ONLY) {
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$ext = pack "C2",
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0x01, #List length
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0x00; #psk_ke
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} elsif ($testtype == DHE_KEX_MODE_ONLY) {
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$ext = pack "C2",
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0x01, #List length
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0x01; #psk_dhe_ke
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} elsif ($testtype == UNKNOWN_KEX_MODES) {
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$ext = pack "C3",
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0x02, #List length
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0xfe, #unknown
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0xff; #unknown
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} elsif ($testtype == BOTH_KEX_MODES) {
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#We deliberately list psk_ke first...should still use psk_dhe_ke
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$ext = pack "C3",
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0x02, #List length
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0x00, #psk_ke
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0x01; #psk_dhe_ke
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}
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if ($testtype == DELETE_EXTENSION) {
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$message->delete_extension(
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TLSProxy::Message::EXT_PSK_KEX_MODES);
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} else {
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$message->set_extension(
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TLSProxy::Message::EXT_PSK_KEX_MODES, $ext);
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}
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$message->repack();
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}
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}
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}
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