2016-12-30 11:27:24 +00:00
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#! /usr/bin/env perl
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# Copyright 2016 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 bldtop_dir/;
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use OpenSSL::Test::Utils;
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use TLSProxy::Proxy;
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my $test_name = "test_sslsigalgs";
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setup($test_name);
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plan skip_all => "TLSProxy isn't usable on $^O"
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2018-01-17 09:39:28 +00:00
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if $^O =~ /^(VMS)$/;
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2016-12-30 11:27:24 +00:00
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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 => "$test_name needs TLS1.2 or TLS1.3 enabled"
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if disabled("tls1_2") && disabled("tls1_3");
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$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
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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} || $ENV{HARNESS_VERBOSE})
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);
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use constant {
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NO_SIG_ALGS_EXT => 0,
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EMPTY_SIG_ALGS_EXT => 1,
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NO_KNOWN_SIG_ALGS => 2,
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NO_PSS_SIG_ALGS => 3,
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2017-04-26 20:17:57 +00:00
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PSS_ONLY_SIG_ALGS => 4,
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PURE_SIGALGS => 5,
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2018-01-24 20:45:08 +00:00
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COMPAT_SIGALGS => 6,
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SIGALGS_CERT_ALL => 7,
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SIGALGS_CERT_PKCS => 8,
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SIGALGS_CERT_INVALID => 9
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2016-12-30 11:27:24 +00:00
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};
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2017-01-03 10:40:14 +00:00
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#Note: Throughout this test we override the default ciphersuites where TLSv1.2
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# is expected to ensure that a ServerKeyExchange message is sent that uses
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# the sigalgs
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2016-12-30 11:27:24 +00:00
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#Test 1: Default sig algs should succeed
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$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
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2018-01-24 20:45:08 +00:00
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plan tests => 21;
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2016-12-30 11:27:24 +00:00
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ok(TLSProxy::Message->success, "Default sigalgs");
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my $testtype;
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SKIP: {
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skip "TLSv1.3 disabled", 5 if disabled("tls1_3");
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$proxy->filter(\&sigalgs_filter);
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#Test 2: Sending no sig algs extension in TLSv1.3 should fail
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$proxy->clear();
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$testtype = NO_SIG_ALGS_EXT;
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$proxy->start();
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ok(TLSProxy::Message->fail, "No TLSv1.3 sigalgs");
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#Test 3: Sending an empty sig algs extension in TLSv1.3 should fail
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$proxy->clear();
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$testtype = EMPTY_SIG_ALGS_EXT;
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$proxy->start();
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ok(TLSProxy::Message->fail, "Empty TLSv1.3 sigalgs");
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#Test 4: Sending a list with no recognised sig algs in TLSv1.3 should fail
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$proxy->clear();
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$testtype = NO_KNOWN_SIG_ALGS;
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$proxy->start();
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ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
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#Test 5: Sending a sig algs list without pss for an RSA cert in TLSv1.3
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# should fail
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$proxy->clear();
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$testtype = NO_PSS_SIG_ALGS;
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$proxy->start();
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ok(TLSProxy::Message->fail, "No PSS TLSv1.3 sigalgs");
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#Test 6: Sending only TLSv1.3 PSS sig algs in TLSv1.3 should succeed
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#TODO(TLS1.3): Do we need to verify the cert to make sure its a PSS only
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#cert in this case?
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$proxy->clear();
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$testtype = PSS_ONLY_SIG_ALGS;
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$proxy->start();
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ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.3");
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}
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SKIP: {
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2017-04-05 18:32:18 +00:00
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skip "EC or TLSv1.3 disabled", 1
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if disabled("tls1_3") || disabled("ec");
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2016-12-30 11:27:24 +00:00
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#Test 7: Sending a valid sig algs list but not including a sig type that
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2017-04-05 18:32:18 +00:00
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# matches the certificate should fail in TLSv1.3.
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2016-12-30 11:27:24 +00:00
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$proxy->clear();
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$proxy->clientflags("-sigalgs ECDSA+SHA256");
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$proxy->filter(undef);
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$proxy->start();
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ok(TLSProxy::Message->fail, "No matching TLSv1.3 sigalgs");
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2017-04-05 18:32:18 +00:00
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}
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SKIP: {
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skip "EC, TLSv1.3 or TLSv1.2 disabled", 1
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if disabled("tls1_2") || disabled("tls1_3") || disabled("ec");
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2016-12-30 11:27:24 +00:00
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#Test 8: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2
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# should succeed
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$proxy->clear();
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$proxy->serverflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->filter(undef);
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$proxy->start();
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ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server");
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}
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SKIP: {
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2017-03-06 10:16:07 +00:00
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skip "EC or TLSv1.2 disabled", 8 if disabled("tls1_2") || disabled("ec");
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2016-12-30 11:27:24 +00:00
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$proxy->filter(\&sigalgs_filter);
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#Test 9: Sending no sig algs extension in TLSv1.2 should succeed
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$proxy->clear();
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$testtype = NO_SIG_ALGS_EXT;
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$proxy->clientflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->start();
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ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs");
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#Test 10: Sending an empty sig algs extension in TLSv1.2 should fail
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$proxy->clear();
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$testtype = EMPTY_SIG_ALGS_EXT;
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$proxy->clientflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->start();
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ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs");
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#Test 11: Sending a list with no recognised sig algs in TLSv1.2 should fail
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$proxy->clear();
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$testtype = NO_KNOWN_SIG_ALGS;
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$proxy->clientflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->start();
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ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
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#Test 12: Sending a sig algs list without pss for an RSA cert in TLSv1.2
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# should succeed
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$proxy->clear();
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$testtype = NO_PSS_SIG_ALGS;
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$proxy->clientflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->start();
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ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");
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2017-01-03 10:01:39 +00:00
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#Test 13: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
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2016-12-30 11:27:24 +00:00
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$proxy->clear();
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$testtype = PSS_ONLY_SIG_ALGS;
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2017-01-03 10:01:39 +00:00
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$proxy->serverflags("-no_tls1_3");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->start();
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2017-01-03 10:01:39 +00:00
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ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");
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2016-12-30 11:27:24 +00:00
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2017-01-03 10:40:14 +00:00
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#Test 14: Responding with a sig alg we did not send in TLSv1.2 should fail
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2018-01-26 15:23:57 +00:00
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# We send rsa_pkcs1_sha256 and respond with rsa_pss_rsae_sha256
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2017-01-03 10:40:14 +00:00
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# TODO(TLS1.3): Add a similar test to the TLSv1.3 section above
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# when we have an API capable of configuring the TLSv1.3 sig algs
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$proxy->clear();
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$testtype = PSS_ONLY_SIG_ALGS;
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$proxy->clientflags("-no_tls1_3 -sigalgs RSA+SHA256");
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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$proxy->start();
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ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");
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#Test 15: Sending a valid sig algs list but not including a sig type that
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2016-12-30 11:27:24 +00:00
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# matches the certificate should fail in TLSv1.2
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$proxy->clear();
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$proxy->clientflags("-no_tls1_3 -sigalgs ECDSA+SHA256");
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2017-01-03 10:40:14 +00:00
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$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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2016-12-30 11:27:24 +00:00
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$proxy->filter(undef);
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$proxy->start();
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ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
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$proxy->filter(\&sigalgs_filter);
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2017-02-19 18:55:26 +00:00
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#Test 16: No sig algs extension, ECDSA cert, TLSv1.2 should succeed
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$proxy->clear();
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$testtype = NO_SIG_ALGS_EXT;
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$proxy->clientflags("-no_tls1_3");
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$proxy->serverflags("-cert " . srctop_file("test", "certs",
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"server-ecdsa-cert.pem") .
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" -key " . srctop_file("test", "certs",
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"server-ecdsa-key.pem")),
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$proxy->ciphers("ECDHE-ECDSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
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$proxy->start();
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ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs, ECDSA");
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2016-12-30 11:27:24 +00:00
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}
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2017-04-26 20:17:57 +00:00
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my ($dsa_status, $sha1_status, $sha224_status);
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SKIP: {
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skip "TLSv1.3 disabled", 2 if disabled("tls1_3") || disabled("dsa");
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#Test 17: signature_algorithms with 1.3-only ClientHello
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$testtype = PURE_SIGALGS;
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$dsa_status = $sha1_status = $sha224_status = 0;
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$proxy->clear();
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$proxy->clientflags("-tls1_3");
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$proxy->filter(\&modify_sigalgs_filter);
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$proxy->start();
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ok($dsa_status && $sha1_status && $sha224_status,
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"DSA/SHA2 sigalg sent for 1.3-only ClientHello");
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#Test 18: signature_algorithms with backwards compatible ClientHello
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$testtype = COMPAT_SIGALGS;
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$dsa_status = $sha1_status = $sha224_status = 0;
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$proxy->clear();
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$proxy->filter(\&modify_sigalgs_filter);
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$proxy->start();
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ok($dsa_status && $sha1_status && $sha224_status,
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"DSA sigalg not sent for compat ClientHello");
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}
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2018-01-24 20:45:08 +00:00
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SKIP: {
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skip "TLSv1.3 disabled", 3 if disabled("tls1_3");
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#Test 19: Insert signature_algorithms_cert that match normal sigalgs
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$testtype = SIGALGS_CERT_ALL;
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$proxy->clear();
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$proxy->filter(\&modify_sigalgs_cert_filter);
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$proxy->start();
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ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3");
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#Test 19: Insert signature_algorithms_cert that forces PKCS#1 cert
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$testtype = SIGALGS_CERT_PKCS;
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$proxy->clear();
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$proxy->filter(\&modify_sigalgs_cert_filter);
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$proxy->start();
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ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3 with PKCS#1 cert");
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#Test 19: Insert signature_algorithms_cert that fails
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$testtype = SIGALGS_CERT_INVALID;
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$proxy->clear();
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$proxy->filter(\&modify_sigalgs_cert_filter);
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$proxy->start();
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ok(TLSProxy::Message->fail, "No matching certificate for sigalgs_cert");
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}
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2016-12-30 11:27:24 +00:00
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sub sigalgs_filter
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{
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my $proxy = shift;
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# We're only interested in the initial ClientHello
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if ($proxy->flight != 0) {
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return;
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}
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foreach my $message (@{$proxy->message_list}) {
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if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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if ($testtype == NO_SIG_ALGS_EXT) {
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$message->delete_extension(TLSProxy::Message::EXT_SIG_ALGS);
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} else {
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my $sigalg;
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if ($testtype == EMPTY_SIG_ALGS_EXT) {
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$sigalg = pack "C2", 0x00, 0x00;
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} elsif ($testtype == NO_KNOWN_SIG_ALGS) {
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$sigalg = pack "C4", 0x00, 0x02, 0xff, 0xff;
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} elsif ($testtype == NO_PSS_SIG_ALGS) {
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#No PSS sig algs - just send rsa_pkcs1_sha256
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$sigalg = pack "C4", 0x00, 0x02, 0x04, 0x01;
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} else {
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2018-01-11 19:39:30 +00:00
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#PSS sig algs only - just send rsa_pss_rsae_sha256
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2016-12-30 11:27:24 +00:00
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$sigalg = pack "C4", 0x00, 0x02, 0x08, 0x04;
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}
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$message->set_extension(TLSProxy::Message::EXT_SIG_ALGS, $sigalg);
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}
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$message->repack();
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}
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}
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}
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2017-04-26 20:17:57 +00:00
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sub modify_sigalgs_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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my $ext;
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my @algs;
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if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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if ($testtype == PURE_SIGALGS) {
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my $ok = 1;
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$ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
|
|
|
|
@algs = unpack('S>*', $ext);
|
|
|
|
# unpack will unpack the length as well
|
|
|
|
shift @algs;
|
|
|
|
foreach (@algs) {
|
|
|
|
if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512
|
|
|
|
|| $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
|
|
|
|
$ok = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
$sha1_status = $dsa_status = $sha224_status = 1 if ($ok);
|
|
|
|
} elsif ($testtype == COMPAT_SIGALGS) {
|
|
|
|
$ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
|
|
|
|
@algs = unpack('S>*', $ext);
|
|
|
|
# unpack will unpack the length as well
|
|
|
|
shift @algs;
|
|
|
|
foreach (@algs) {
|
|
|
|
if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512) {
|
|
|
|
$dsa_status = 1;
|
|
|
|
}
|
|
|
|
if ($_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
|
|
|
|
|| $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
|
|
|
|
$sha1_status = 1;
|
|
|
|
}
|
|
|
|
if ($_ == TLSProxy::Message::OSSL_SIG_ALG_RSA_PKCS1_SHA224
|
|
|
|
|| $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
|
|
|
|
|| $_ == TLSProxy::Message::OSSL_SIG_ALG_ECDSA_SHA224) {
|
|
|
|
$sha224_status = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-01-24 20:45:08 +00:00
|
|
|
|
|
|
|
sub modify_sigalgs_cert_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) {
|
|
|
|
my $sigs;
|
|
|
|
# two byte length at front of sigs, then two-byte sigschemes
|
|
|
|
if ($testtype == SIGALGS_CERT_ALL) {
|
|
|
|
$sigs = pack "C26", 0x00, 0x18,
|
|
|
|
# rsa_pkcs_sha{256,512} rsa_pss_rsae_sha{256,512}
|
|
|
|
0x04, 0x01, 0x06, 0x01, 0x08, 0x04, 0x08, 0x06,
|
|
|
|
# ed25518 ed448 rsa_pss_pss_sha{256,512}
|
|
|
|
0x08, 0x07, 0x08, 0x08, 0x08, 0x09, 0x08, 0x0b,
|
|
|
|
# ecdsa_secp{256,512} rsa+sha1 ecdsa+sha1
|
|
|
|
0x04, 0x03, 0x06, 0x03, 0x02, 0x01, 0x02, 0x03;
|
|
|
|
} elsif ($testtype == SIGALGS_CERT_PKCS) {
|
|
|
|
$sigs = pack "C10", 0x00, 0x08,
|
|
|
|
# rsa_pkcs_sha{256,384,512,1}
|
|
|
|
0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x01;
|
|
|
|
} elsif ($testtype == SIGALGS_CERT_INVALID) {
|
|
|
|
$sigs = pack "C4", 0x00, 0x02,
|
|
|
|
# unregistered codepoint
|
|
|
|
0xb2, 0x6f;
|
|
|
|
}
|
|
|
|
$message->set_extension(TLSProxy::Message::EXT_SIG_ALGS_CERT, $sigs);
|
|
|
|
$message->repack();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|