From 6f68a52ebf39ad854e277cd6d7bae3cb32ab7049 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Fri, 30 Dec 2016 11:27:24 +0000 Subject: [PATCH] Add some sig algs tests Reviewed-by: Rich Salz (Merged from https://github.com/openssl/openssl/pull/2157) --- test/recipes/70-test_sslsigalgs.t | 200 ++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100755 test/recipes/70-test_sslsigalgs.t diff --git a/test/recipes/70-test_sslsigalgs.t b/test/recipes/70-test_sslsigalgs.t new file mode 100755 index 0000000000..954b9c5038 --- /dev/null +++ b/test/recipes/70-test_sslsigalgs.t @@ -0,0 +1,200 @@ +#! /usr/bin/env perl +# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html + +use strict; +use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/; +use OpenSSL::Test::Utils; +use TLSProxy::Proxy; + +my $test_name = "test_sslsigalgs"; +setup($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"); + +plan skip_all => "$test_name needs TLS1.2 or TLS1.3 enabled" + if disabled("tls1_2") && disabled("tls1_3"); + +$ENV{OPENSSL_ia32cap} = '~0x200000200000000'; +my $proxy = TLSProxy::Proxy->new( + undef, + cmdstr(app(["openssl"]), display => 1), + srctop_file("apps", "server.pem"), + (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE}) +); + +use constant { + NO_SIG_ALGS_EXT => 0, + EMPTY_SIG_ALGS_EXT => 1, + NO_KNOWN_SIG_ALGS => 2, + NO_PSS_SIG_ALGS => 3, + PSS_ONLY_SIG_ALGS => 4 +}; + +#Test 1: Default sig algs should succeed +$proxy->start() or plan skip_all => "Unable to start up Proxy for tests"; +plan tests => 14; +ok(TLSProxy::Message->success, "Default sigalgs"); +my $testtype; + +SKIP: { + skip "TLSv1.3 disabled", 5 if disabled("tls1_3"); + + $proxy->filter(\&sigalgs_filter); + + #Test 2: Sending no sig algs extension in TLSv1.3 should fail + $proxy->clear(); + $testtype = NO_SIG_ALGS_EXT; + $proxy->start(); + ok(TLSProxy::Message->fail, "No TLSv1.3 sigalgs"); + + #Test 3: Sending an empty sig algs extension in TLSv1.3 should fail + $proxy->clear(); + $testtype = EMPTY_SIG_ALGS_EXT; + $proxy->start(); + ok(TLSProxy::Message->fail, "Empty TLSv1.3 sigalgs"); + + #Test 4: Sending a list with no recognised sig algs in TLSv1.3 should fail + $proxy->clear(); + $testtype = NO_KNOWN_SIG_ALGS; + $proxy->start(); + ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs"); + + #Test 5: Sending a sig algs list without pss for an RSA cert in TLSv1.3 + # should fail + $proxy->clear(); + $testtype = NO_PSS_SIG_ALGS; + $proxy->start(); + ok(TLSProxy::Message->fail, "No PSS TLSv1.3 sigalgs"); + + #Test 6: Sending only TLSv1.3 PSS sig algs in TLSv1.3 should succeed + #TODO(TLS1.3): Do we need to verify the cert to make sure its a PSS only + #cert in this case? + $proxy->clear(); + $testtype = PSS_ONLY_SIG_ALGS; + $proxy->start(); + ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.3"); +} + +SKIP: { + skip "TLSv1.3 or TLSv1.2 disabled", 2 + if disabled("tls1_2") || disabled("tls1_3"); + + #Test 7: Sending a valid sig algs list but not including a sig type that + # matches the certificate should fail in TLSv1.3. We need TLSv1.2 + # enabled for this test - otherwise the client will not attempt to + # connect due to no TLSv1.3 ciphers being available. + # TODO(TLS1.3): When proper TLSv1.3 certificate selection is working + # we can move this test into the section above + $proxy->clear(); + $proxy->clientflags("-sigalgs ECDSA+SHA256"); + $proxy->filter(undef); + $proxy->start(); + ok(TLSProxy::Message->fail, "No matching TLSv1.3 sigalgs"); + + #Test 8: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2 + # should succeed + $proxy->clear(); + $proxy->serverflags("-no_tls1_3"); + $proxy->filter(undef); + $proxy->start(); + ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server"); +} + +SKIP: { + skip "TLSv1.2 disabled", 6 if disabled("tls1_2"); + + $proxy->filter(\&sigalgs_filter); + + #Test 9: Sending no sig algs extension in TLSv1.2 should succeed + $proxy->clear(); + $testtype = NO_SIG_ALGS_EXT; + $proxy->clientflags("-no_tls1_3"); + $proxy->start(); + ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs"); + + #Test 10: Sending an empty sig algs extension in TLSv1.2 should fail + $proxy->clear(); + $testtype = EMPTY_SIG_ALGS_EXT; + $proxy->clientflags("-no_tls1_3"); + $proxy->start(); + ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs"); + + #Test 11: Sending a list with no recognised sig algs in TLSv1.2 should fail + $proxy->clear(); + $testtype = NO_KNOWN_SIG_ALGS; + $proxy->clientflags("-no_tls1_3"); + $proxy->start(); + ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs"); + + #Test 12: Sending a sig algs list without pss for an RSA cert in TLSv1.2 + # should succeed + $proxy->clear(); + $testtype = NO_PSS_SIG_ALGS; + $proxy->clientflags("-no_tls1_3"); + $proxy->start(); + ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs"); + + #Test 13: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should fail + $proxy->clear(); + $testtype = PSS_ONLY_SIG_ALGS; + $proxy->clientflags("-no_tls1_3"); + $proxy->start(); + ok(TLSProxy::Message->fail, "PSS only sigalgs in TLSv1.2"); + + #Test 14: Sending a valid sig algs list but not including a sig type that + # matches the certificate should fail in TLSv1.2 + $proxy->clear(); + $proxy->clientflags("-no_tls1_3 -sigalgs ECDSA+SHA256"); + $proxy->filter(undef); + $proxy->start(); + ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs"); + $proxy->filter(\&sigalgs_filter); +} + + + +sub sigalgs_filter +{ + my $proxy = shift; + + # We're only interested in the initial ClientHello + if ($proxy->flight != 0) { + return; + } + + foreach my $message (@{$proxy->message_list}) { + if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) { + if ($testtype == NO_SIG_ALGS_EXT) { + $message->delete_extension(TLSProxy::Message::EXT_SIG_ALGS); + } else { + my $sigalg; + if ($testtype == EMPTY_SIG_ALGS_EXT) { + $sigalg = pack "C2", 0x00, 0x00; + } elsif ($testtype == NO_KNOWN_SIG_ALGS) { + $sigalg = pack "C4", 0x00, 0x02, 0xff, 0xff; + } elsif ($testtype == NO_PSS_SIG_ALGS) { + #No PSS sig algs - just send rsa_pkcs1_sha256 + $sigalg = pack "C4", 0x00, 0x02, 0x04, 0x01; + } else { + #PSS sig algs only - just send rsa_pss_sha256 + $sigalg = pack "C4", 0x00, 0x02, 0x08, 0x04; + } + $message->set_extension(TLSProxy::Message::EXT_SIG_ALGS, $sigalg); + } + + $message->repack(); + } + } +} -- 2.25.1