[thirdparty/openssl.git] / test / recipes / 70-test_sslsigalgs.t

#! /usr/bin/env perl
# Copyright 2016-2018 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 $^O =~ /^(VMS)$/;

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,
    PURE_SIGALGS => 5,
    COMPAT_SIGALGS => 6,
    SIGALGS_CERT_ALL => 7,
    SIGALGS_CERT_PKCS => 8,
    SIGALGS_CERT_INVALID => 9
};

#Note: Throughout this test we override the default ciphersuites where TLSv1.2
#      is expected to ensure that a ServerKeyExchange message is sent that uses
#      the sigalgs

#Test 1: Default sig algs should succeed
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 21;
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 "EC or TLSv1.3 disabled", 1
        if disabled("tls1_3") || disabled("ec");
    #Test 7: Sending a valid sig algs list but not including a sig type that
    #        matches the certificate should fail in TLSv1.3.
    $proxy->clear();
    $proxy->clientflags("-sigalgs ECDSA+SHA256");
    $proxy->filter(undef);
    $proxy->start();
    ok(TLSProxy::Message->fail, "No matching TLSv1.3 sigalgs");
}

SKIP: {
    skip "EC, TLSv1.3 or TLSv1.2 disabled", 1
        if disabled("tls1_2") || disabled("tls1_3") || disabled("ec");

    #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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->filter(undef);
    $proxy->start();
    ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server");
}

SKIP: {
    skip "EC or TLSv1.2 disabled", 8 if disabled("tls1_2") || disabled("ec");

    $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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->start();
    ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");

    #Test 13: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
    $proxy->clear();
    $testtype = PSS_ONLY_SIG_ALGS;
    $proxy->serverflags("-no_tls1_3");
    $proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->start();
    ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");

    #Test 14: Responding with a sig alg we did not send in TLSv1.2 should fail
    #         We send rsa_pkcs1_sha256 and respond with rsa_pss_rsae_sha256
    #         TODO(TLS1.3): Add a similar test to the TLSv1.3 section above
    #         when we have an API capable of configuring the TLSv1.3 sig algs
    $proxy->clear();
    $testtype = PSS_ONLY_SIG_ALGS;
    $proxy->clientflags("-no_tls1_3 -sigalgs RSA+SHA256");
    $proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->start();
    ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");

    #Test 15: 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->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->filter(undef);
    $proxy->start();
    ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
    $proxy->filter(\&sigalgs_filter);

    #Test 16: No sig algs extension, ECDSA cert, TLSv1.2 should succeed
    $proxy->clear();
    $testtype = NO_SIG_ALGS_EXT;
    $proxy->clientflags("-no_tls1_3");
    $proxy->serverflags("-cert " . srctop_file("test", "certs",
                                               "server-ecdsa-cert.pem") .
                        " -key " . srctop_file("test", "certs",
                                               "server-ecdsa-key.pem")),
    $proxy->ciphers("ECDHE-ECDSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
    $proxy->start();
    ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs, ECDSA");
}

my ($dsa_status, $sha1_status, $sha224_status);
SKIP: {
    skip "TLSv1.3 disabled", 2 if disabled("tls1_3") || disabled("dsa");
    #Test 17: signature_algorithms with 1.3-only ClientHello
    $testtype = PURE_SIGALGS;
    $dsa_status = $sha1_status = $sha224_status = 0;
    $proxy->clear();
    $proxy->clientflags("-tls1_3");
    $proxy->filter(\&modify_sigalgs_filter);
    $proxy->start();
    ok($dsa_status && $sha1_status && $sha224_status,
       "DSA/SHA2 sigalg sent for 1.3-only ClientHello");

    #Test 18: signature_algorithms with backwards compatible ClientHello
    SKIP: {
        skip "TLSv1.2 disabled", 1 if disabled("tls1_2");
        $testtype = COMPAT_SIGALGS;
        $dsa_status = $sha1_status = $sha224_status = 0;
        $proxy->clear();
        $proxy->filter(\&modify_sigalgs_filter);
        $proxy->start();
        ok($dsa_status && $sha1_status && $sha224_status,
           "DSA sigalg not sent for compat ClientHello");
   }
}

SKIP: {
    skip "TLSv1.3 disabled", 3 if disabled("tls1_3");
    #Test 19: Insert signature_algorithms_cert that match normal sigalgs
    $testtype = SIGALGS_CERT_ALL;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
    $proxy->start();
    ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3");

    #Test 19: Insert signature_algorithms_cert that forces PKCS#1 cert
    $testtype = SIGALGS_CERT_PKCS;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
    $proxy->start();
    ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3 with PKCS#1 cert");

    #Test 19: Insert signature_algorithms_cert that fails
    $testtype = SIGALGS_CERT_INVALID;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
    $proxy->start();
    ok(TLSProxy::Message->fail, "No matching certificate for sigalgs_cert");
}


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_rsae_sha256
                    $sigalg = pack "C4", 0x00, 0x02, 0x08, 0x04;
                }
                $message->set_extension(TLSProxy::Message::EXT_SIG_ALGS, $sigalg);
            }

            $message->repack();
        }
    }
}

sub modify_sigalgs_filter
{
    my $proxy = shift;

    # We're only interested in the initial ClientHello
    return if ($proxy->flight != 0);

    foreach my $message (@{$proxy->message_list}) {
        my $ext;
        my @algs;

        if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
            if ($testtype == PURE_SIGALGS) {
                my $ok = 1;
                $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;
                    }
                }
            }
        }
    }
}

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();
        }
    }
}
Commit	Line	Data
6f68a52e	1	#! /usr/bin/env perl
6738bf14	2	# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
6f68a52e MC	3	#
	4	# Licensed under the OpenSSL license (the "License"). You may not use
	5	# this file except in compliance with the License. You can obtain a copy
	6	# in the file LICENSE in the source distribution or at
	7	# https://www.openssl.org/source/license.html
	8
	9	use strict;
	10	use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
	11	use OpenSSL::Test::Utils;
	12	use TLSProxy::Proxy;
	13
	14	my $test_name = "test_sslsigalgs";
	15	setup($test_name);
	16
	17	plan skip_all => "TLSProxy isn't usable on $^O"
c5856878	18	if $^O =~ /^(VMS)$/;
6f68a52e MC	19
	20	plan skip_all => "$test_name needs the dynamic engine feature enabled"
	21	if disabled("engine") \|\| disabled("dynamic-engine");
	22
	23	plan skip_all => "$test_name needs the sock feature enabled"
	24	if disabled("sock");
	25
	26	plan skip_all => "$test_name needs TLS1.2 or TLS1.3 enabled"
	27	if disabled("tls1_2") && disabled("tls1_3");
	28
	29	$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
	30	my $proxy = TLSProxy::Proxy->new(
	31	undef,
	32	cmdstr(app(["openssl"]), display => 1),
	33	srctop_file("apps", "server.pem"),
	34	(!$ENV{HARNESS_ACTIVE} \|\| $ENV{HARNESS_VERBOSE})
	35	);
	36
	37	use constant {
	38	NO_SIG_ALGS_EXT => 0,
	39	EMPTY_SIG_ALGS_EXT => 1,
	40	NO_KNOWN_SIG_ALGS => 2,
	41	NO_PSS_SIG_ALGS => 3,
05594f4a BK	42	PSS_ONLY_SIG_ALGS => 4,
05594f4a BK	43	PURE_SIGALGS => 5,
3e524bf2 BK	44	COMPAT_SIGALGS => 6,
	45	SIGALGS_CERT_ALL => 7,
	46	SIGALGS_CERT_PKCS => 8,
	47	SIGALGS_CERT_INVALID => 9
6f68a52e MC	48	};
6f68a52e MC	49
cd61b55f MC	50	#Note: Throughout this test we override the default ciphersuites where TLSv1.2
	51	# is expected to ensure that a ServerKeyExchange message is sent that uses
	52	# the sigalgs
	53
6f68a52e MC	54	#Test 1: Default sig algs should succeed
6f68a52e MC	55	$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
3e524bf2	56	plan tests => 21;
6f68a52e MC	57	ok(TLSProxy::Message->success, "Default sigalgs");
	58	my $testtype;
	59
	60	SKIP: {
	61	skip "TLSv1.3 disabled", 5 if disabled("tls1_3");
	62
	63	$proxy->filter(\&sigalgs_filter);
	64
	65	#Test 2: Sending no sig algs extension in TLSv1.3 should fail
	66	$proxy->clear();
	67	$testtype = NO_SIG_ALGS_EXT;
	68	$proxy->start();
	69	ok(TLSProxy::Message->fail, "No TLSv1.3 sigalgs");
	70
	71	#Test 3: Sending an empty sig algs extension in TLSv1.3 should fail
	72	$proxy->clear();
	73	$testtype = EMPTY_SIG_ALGS_EXT;
	74	$proxy->start();
	75	ok(TLSProxy::Message->fail, "Empty TLSv1.3 sigalgs");
	76
	77	#Test 4: Sending a list with no recognised sig algs in TLSv1.3 should fail
	78	$proxy->clear();
	79	$testtype = NO_KNOWN_SIG_ALGS;
	80	$proxy->start();
	81	ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
	82
	83	#Test 5: Sending a sig algs list without pss for an RSA cert in TLSv1.3
	84	# should fail
	85	$proxy->clear();
	86	$testtype = NO_PSS_SIG_ALGS;
	87	$proxy->start();
	88	ok(TLSProxy::Message->fail, "No PSS TLSv1.3 sigalgs");
	89
	90	#Test 6: Sending only TLSv1.3 PSS sig algs in TLSv1.3 should succeed
	91	#TODO(TLS1.3): Do we need to verify the cert to make sure its a PSS only
	92	#cert in this case?
	93	$proxy->clear();
	94	$testtype = PSS_ONLY_SIG_ALGS;
	95	$proxy->start();
	96	ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.3");
	97	}
	98
	99	SKIP: {
0e1e4045 BK	100	skip "EC or TLSv1.3 disabled", 1
0e1e4045 BK	101	if disabled("tls1_3") \|\| disabled("ec");
6f68a52e	102	#Test 7: Sending a valid sig algs list but not including a sig type that
0e1e4045	103	# matches the certificate should fail in TLSv1.3.
6f68a52e MC	104	$proxy->clear();
	105	$proxy->clientflags("-sigalgs ECDSA+SHA256");
	106	$proxy->filter(undef);
	107	$proxy->start();
	108	ok(TLSProxy::Message->fail, "No matching TLSv1.3 sigalgs");
0e1e4045 BK	109	}
	110
	111	SKIP: {
	112	skip "EC, TLSv1.3 or TLSv1.2 disabled", 1
	113	if disabled("tls1_2") \|\| disabled("tls1_3") \|\| disabled("ec");
6f68a52e MC	114
	115	#Test 8: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2
	116	# should succeed
	117	$proxy->clear();
	118	$proxy->serverflags("-no_tls1_3");
cd61b55f	119	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	120	$proxy->filter(undef);
	121	$proxy->start();
	122	ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server");
	123	}
	124
	125	SKIP: {
e498d954	126	skip "EC or TLSv1.2 disabled", 8 if disabled("tls1_2") \|\| disabled("ec");
6f68a52e MC	127
	128	$proxy->filter(\&sigalgs_filter);
	129
	130	#Test 9: Sending no sig algs extension in TLSv1.2 should succeed
	131	$proxy->clear();
	132	$testtype = NO_SIG_ALGS_EXT;
	133	$proxy->clientflags("-no_tls1_3");
cd61b55f	134	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	135	$proxy->start();
	136	ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs");
	137
	138	#Test 10: Sending an empty sig algs extension in TLSv1.2 should fail
	139	$proxy->clear();
	140	$testtype = EMPTY_SIG_ALGS_EXT;
	141	$proxy->clientflags("-no_tls1_3");
cd61b55f	142	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	143	$proxy->start();
	144	ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs");
	145
	146	#Test 11: Sending a list with no recognised sig algs in TLSv1.2 should fail
	147	$proxy->clear();
	148	$testtype = NO_KNOWN_SIG_ALGS;
	149	$proxy->clientflags("-no_tls1_3");
cd61b55f	150	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	151	$proxy->start();
	152	ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
	153
	154	#Test 12: Sending a sig algs list without pss for an RSA cert in TLSv1.2
	155	# should succeed
	156	$proxy->clear();
	157	$testtype = NO_PSS_SIG_ALGS;
	158	$proxy->clientflags("-no_tls1_3");
cd61b55f	159	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	160	$proxy->start();
	161	ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");
	162
fe3066ee	163	#Test 13: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
6f68a52e MC	164	$proxy->clear();
6f68a52e MC	165	$testtype = PSS_ONLY_SIG_ALGS;
fe3066ee	166	$proxy->serverflags("-no_tls1_3");
cd61b55f	167	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e	168	$proxy->start();
fe3066ee	169	ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");
6f68a52e	170
cd61b55f	171	#Test 14: Responding with a sig alg we did not send in TLSv1.2 should fail
cf8e9233	172	# We send rsa_pkcs1_sha256 and respond with rsa_pss_rsae_sha256
cd61b55f MC	173	# TODO(TLS1.3): Add a similar test to the TLSv1.3 section above
	174	# when we have an API capable of configuring the TLSv1.3 sig algs
	175	$proxy->clear();
	176	$testtype = PSS_ONLY_SIG_ALGS;
	177	$proxy->clientflags("-no_tls1_3 -sigalgs RSA+SHA256");
	178	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
	179	$proxy->start();
	180	ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");
	181
	182	#Test 15: Sending a valid sig algs list but not including a sig type that
6f68a52e MC	183	# matches the certificate should fail in TLSv1.2
	184	$proxy->clear();
	185	$proxy->clientflags("-no_tls1_3 -sigalgs ECDSA+SHA256");
cd61b55f	186	$proxy->ciphers("ECDHE-RSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
6f68a52e MC	187	$proxy->filter(undef);
	188	$proxy->start();
	189	ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
	190	$proxy->filter(\&sigalgs_filter);
faadddc9 DSH	191
	192	#Test 16: No sig algs extension, ECDSA cert, TLSv1.2 should succeed
	193	$proxy->clear();
	194	$testtype = NO_SIG_ALGS_EXT;
	195	$proxy->clientflags("-no_tls1_3");
	196	$proxy->serverflags("-cert " . srctop_file("test", "certs",
	197	"server-ecdsa-cert.pem") .
	198	" -key " . srctop_file("test", "certs",
	199	"server-ecdsa-key.pem")),
	200	$proxy->ciphers("ECDHE-ECDSA-AES128-SHA:TLS13-AES-128-GCM-SHA256");
	201	$proxy->start();
	202	ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs, ECDSA");
6f68a52e MC	203	}
6f68a52e MC	204
05594f4a BK	205	my ($dsa_status, $sha1_status, $sha224_status);
	206	SKIP: {
	207	skip "TLSv1.3 disabled", 2 if disabled("tls1_3") \|\| disabled("dsa");
	208	#Test 17: signature_algorithms with 1.3-only ClientHello
	209	$testtype = PURE_SIGALGS;
	210	$dsa_status = $sha1_status = $sha224_status = 0;
	211	$proxy->clear();
	212	$proxy->clientflags("-tls1_3");
	213	$proxy->filter(\&modify_sigalgs_filter);
	214	$proxy->start();
	215	ok($dsa_status && $sha1_status && $sha224_status,
	216	"DSA/SHA2 sigalg sent for 1.3-only ClientHello");
	217
	218	#Test 18: signature_algorithms with backwards compatible ClientHello
c423ecaa MC	219	SKIP: {
	220	skip "TLSv1.2 disabled", 1 if disabled("tls1_2");
	221	$testtype = COMPAT_SIGALGS;
	222	$dsa_status = $sha1_status = $sha224_status = 0;
	223	$proxy->clear();
	224	$proxy->filter(\&modify_sigalgs_filter);
	225	$proxy->start();
	226	ok($dsa_status && $sha1_status && $sha224_status,
	227	"DSA sigalg not sent for compat ClientHello");
	228	}
05594f4a BK	229	}
05594f4a BK	230
3e524bf2 BK	231	SKIP: {
	232	skip "TLSv1.3 disabled", 3 if disabled("tls1_3");
	233	#Test 19: Insert signature_algorithms_cert that match normal sigalgs
	234	$testtype = SIGALGS_CERT_ALL;
	235	$proxy->clear();
	236	$proxy->filter(\&modify_sigalgs_cert_filter);
	237	$proxy->start();
	238	ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3");
	239
	240	#Test 19: Insert signature_algorithms_cert that forces PKCS#1 cert
	241	$testtype = SIGALGS_CERT_PKCS;
	242	$proxy->clear();
	243	$proxy->filter(\&modify_sigalgs_cert_filter);
	244	$proxy->start();
	245	ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3 with PKCS#1 cert");
	246
	247	#Test 19: Insert signature_algorithms_cert that fails
	248	$testtype = SIGALGS_CERT_INVALID;
	249	$proxy->clear();
	250	$proxy->filter(\&modify_sigalgs_cert_filter);
	251	$proxy->start();
	252	ok(TLSProxy::Message->fail, "No matching certificate for sigalgs_cert");
	253	}
	254
6f68a52e MC	255
	256
	257	sub sigalgs_filter
	258	{
	259	my $proxy = shift;
	260
	261	# We're only interested in the initial ClientHello
	262	if ($proxy->flight != 0) {
	263	return;
	264	}
	265
	266	foreach my $message (@{$proxy->message_list}) {
	267	if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
	268	if ($testtype == NO_SIG_ALGS_EXT) {
	269	$message->delete_extension(TLSProxy::Message::EXT_SIG_ALGS);
	270	} else {
	271	my $sigalg;
	272	if ($testtype == EMPTY_SIG_ALGS_EXT) {
	273	$sigalg = pack "C2", 0x00, 0x00;
	274	} elsif ($testtype == NO_KNOWN_SIG_ALGS) {
	275	$sigalg = pack "C4", 0x00, 0x02, 0xff, 0xff;
	276	} elsif ($testtype == NO_PSS_SIG_ALGS) {
	277	#No PSS sig algs - just send rsa_pkcs1_sha256
	278	$sigalg = pack "C4", 0x00, 0x02, 0x04, 0x01;
	279	} else {
f55e99f7	280	#PSS sig algs only - just send rsa_pss_rsae_sha256
6f68a52e MC	281	$sigalg = pack "C4", 0x00, 0x02, 0x08, 0x04;
	282	}
	283	$message->set_extension(TLSProxy::Message::EXT_SIG_ALGS, $sigalg);
	284	}
	285
	286	$message->repack();
	287	}
	288	}
	289	}
05594f4a BK	290
	291	sub modify_sigalgs_filter
	292	{
	293	my $proxy = shift;
	294
	295	# We're only interested in the initial ClientHello
	296	return if ($proxy->flight != 0);
	297
	298	foreach my $message (@{$proxy->message_list}) {
	299	my $ext;
	300	my @algs;
	301
	302	if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
	303	if ($testtype == PURE_SIGALGS) {
	304	my $ok = 1;
	305	$ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
	306	@algs = unpack('S>*', $ext);
	307	# unpack will unpack the length as well
	308	shift @algs;
	309	foreach (@algs) {
	310	if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
	311	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
	312	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512
	313	\|\| $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
	314	\|\| $_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
	315	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
	316	\|\| $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
	317	$ok = 0;
	318	}
	319	}
	320	$sha1_status = $dsa_status = $sha224_status = 1 if ($ok);
	321	} elsif ($testtype == COMPAT_SIGALGS) {
	322	$ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
	323	@algs = unpack('S>*', $ext);
	324	# unpack will unpack the length as well
	325	shift @algs;
	326	foreach (@algs) {
	327	if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
	328	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
	329	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512) {
	330	$dsa_status = 1;
	331	}
	332	if ($_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
	333	\|\| $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
	334	\|\| $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
	335	$sha1_status = 1;
	336	}
	337	if ($_ == TLSProxy::Message::OSSL_SIG_ALG_RSA_PKCS1_SHA224
	338	\|\| $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
	339	\|\| $_ == TLSProxy::Message::OSSL_SIG_ALG_ECDSA_SHA224) {
	340	$sha224_status = 1;
	341	}
	342	}
	343	}
	344	}
	345	}
	346	}
3e524bf2 BK	347
	348	sub modify_sigalgs_cert_filter
	349	{
	350	my $proxy = shift;
	351
	352	# We're only interested in the initial ClientHello
	353	if ($proxy->flight != 0) {
	354	return;
	355	}
	356
	357	foreach my $message (@{$proxy->message_list}) {
	358	if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
	359	my $sigs;
	360	# two byte length at front of sigs, then two-byte sigschemes
	361	if ($testtype == SIGALGS_CERT_ALL) {
	362	$sigs = pack "C26", 0x00, 0x18,
	363	# rsa_pkcs_sha{256,512} rsa_pss_rsae_sha{256,512}
	364	0x04, 0x01, 0x06, 0x01, 0x08, 0x04, 0x08, 0x06,
	365	# ed25518 ed448 rsa_pss_pss_sha{256,512}
	366	0x08, 0x07, 0x08, 0x08, 0x08, 0x09, 0x08, 0x0b,
	367	# ecdsa_secp{256,512} rsa+sha1 ecdsa+sha1
	368	0x04, 0x03, 0x06, 0x03, 0x02, 0x01, 0x02, 0x03;
	369	} elsif ($testtype == SIGALGS_CERT_PKCS) {
	370	$sigs = pack "C10", 0x00, 0x08,
	371	# rsa_pkcs_sha{256,384,512,1}
	372	0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x01;
	373	} elsif ($testtype == SIGALGS_CERT_INVALID) {
	374	$sigs = pack "C4", 0x00, 0x02,
	375	# unregistered codepoint
	376	0xb2, 0x6f;
	377	}
	378	$message->set_extension(TLSProxy::Message::EXT_SIG_ALGS_CERT, $sigs);
	379	$message->repack();
	380	}
	381	}
	382	}