492 lines
18 KiB
Perl
492 lines
18 KiB
Perl
|
#! /usr/bin/env perl
|
||
|
|
# Copyright 2016-2020 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,
|
||
|
|
UNRECOGNIZED_SIGALGS_CERT => 10,
|
||
|
|
UNRECOGNIZED_SIGALG => 11
|
||
|
|
};
|
||
|
|
|
||
|
|
#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 => 26;
|
||
|
|
ok(TLSProxy::Message->success, "Default sigalgs");
|
||
|
|
my $testtype;
|
||
|
|
|
||
|
|
SKIP: {
|
||
|
|
skip "TLSv1.3 disabled", 6 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");
|
||
|
|
|
||
|
|
#Test 7: Modify the CertificateVerify sigalg from rsa_pss_rsae_sha256 to
|
||
|
|
# rsa_pss_pss_sha256. This should fail because the public key OID
|
||
|
|
# in the certificate is rsaEncryption and not rsassaPss
|
||
|
|
$proxy->filter(\&modify_cert_verify_sigalg);
|
||
|
|
$proxy->clear();
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail,
|
||
|
|
"Mismatch between CertVerify sigalg and public key OID");
|
||
|
|
}
|
||
|
|
|
||
|
|
SKIP: {
|
||
|
|
skip "EC or TLSv1.3 disabled", 1
|
||
|
|
if disabled("tls1_3") || disabled("ec");
|
||
|
|
#Test 8: 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 9: 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");
|
||
|
|
$proxy->filter(undef);
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server");
|
||
|
|
}
|
||
|
|
|
||
|
|
SKIP: {
|
||
|
|
skip "EC or TLSv1.2 disabled", 10 if disabled("tls1_2") || disabled("ec");
|
||
|
|
|
||
|
|
$proxy->filter(\&sigalgs_filter);
|
||
|
|
|
||
|
|
#Test 10: Sending no sig algs extension in TLSv1.2 should succeed at
|
||
|
|
# security level 1
|
||
|
|
$proxy->clear();
|
||
|
|
$testtype = NO_SIG_ALGS_EXT;
|
||
|
|
$proxy->clientflags("-no_tls1_3 -cipher DEFAULT\@SECLEVEL=1");
|
||
|
|
$proxy->ciphers("ECDHE-RSA-AES128-SHA\@SECLEVEL=1");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs seclevel 1");
|
||
|
|
|
||
|
|
#Test 11: Sending no sig algs extension in TLSv1.2 should fail at security
|
||
|
|
# level 2 since it will try to use SHA1. Testing client at level 1,
|
||
|
|
# server level 2.
|
||
|
|
$proxy->clear();
|
||
|
|
$testtype = NO_SIG_ALGS_EXT;
|
||
|
|
$proxy->clientflags("-tls1_2 -cipher DEFAULT\@SECLEVEL=1");
|
||
|
|
$proxy->ciphers("DEFAULT\@SECLEVEL=2");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "No TLSv1.2 sigalgs server seclevel 2");
|
||
|
|
|
||
|
|
#Test 12: Sending no sig algs extension in TLSv1.2 should fail at security
|
||
|
|
# level 2 since it will try to use SHA1. Testing client at level 2,
|
||
|
|
# server level 1.
|
||
|
|
$proxy->clear();
|
||
|
|
$testtype = NO_SIG_ALGS_EXT;
|
||
|
|
$proxy->clientflags("-tls1_2 -cipher DEFAULT\@SECLEVEL=2");
|
||
|
|
$proxy->ciphers("DEFAULT\@SECLEVEL=1");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "No TLSv1.2 sigalgs client seclevel 2");
|
||
|
|
|
||
|
|
#Test 13: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs");
|
||
|
|
|
||
|
|
#Test 14: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
|
||
|
|
|
||
|
|
#Test 15: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");
|
||
|
|
|
||
|
|
#Test 16: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");
|
||
|
|
|
||
|
|
#Test 17: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");
|
||
|
|
|
||
|
|
#Test 18: 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");
|
||
|
|
$proxy->filter(undef);
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
|
||
|
|
$proxy->filter(\&sigalgs_filter);
|
||
|
|
|
||
|
|
#Test 19: 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");
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs, ECDSA");
|
||
|
|
}
|
||
|
|
|
||
|
|
my ($dsa_status, $sha1_status, $sha224_status);
|
||
|
|
SKIP: {
|
||
|
|
skip "TLSv1.3 disabled", 2 if disabled("tls1_3") || disabled("dsa");
|
||
|
|
#Test 20: 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 21: 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 22: 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 23: 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 24: 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");
|
||
|
|
}
|
||
|
|
|
||
|
|
SKIP: {
|
||
|
|
skip "TLS 1.3 disabled", 2 if disabled("tls1_3");
|
||
|
|
#Test 25: Send an unrecognized signature_algorithms_cert
|
||
|
|
# We should be able to skip over the unrecognized value and use a
|
||
|
|
# valid one that appears later in the list.
|
||
|
|
$proxy->clear();
|
||
|
|
$proxy->filter(\&inject_unrecognized_sigalg);
|
||
|
|
$proxy->clientflags("-tls1_3");
|
||
|
|
# Use -xcert to get SSL_check_chain() to run in the cert_cb. This is
|
||
|
|
# needed to trigger (e.g.) CVE-2020-1967
|
||
|
|
$proxy->serverflags("" .
|
||
|
|
" -xcert " . srctop_file("test", "certs", "servercert.pem") .
|
||
|
|
" -xkey " . srctop_file("test", "certs", "serverkey.pem") .
|
||
|
|
" -xchain " . srctop_file("test", "certs", "rootcert.pem"));
|
||
|
|
$testtype = UNRECOGNIZED_SIGALGS_CERT;
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success(), "Unrecognized sigalg_cert in ClientHello");
|
||
|
|
|
||
|
|
#Test 26: Send an unrecognized signature_algorithms
|
||
|
|
# We should be able to skip over the unrecognized value and use a
|
||
|
|
# valid one that appears later in the list.
|
||
|
|
$proxy->clear();
|
||
|
|
$proxy->filter(\&inject_unrecognized_sigalg);
|
||
|
|
$proxy->clientflags("-tls1_3");
|
||
|
|
$proxy->serverflags("" .
|
||
|
|
" -xcert " . srctop_file("test", "certs", "servercert.pem") .
|
||
|
|
" -xkey " . srctop_file("test", "certs", "serverkey.pem") .
|
||
|
|
" -xchain " . srctop_file("test", "certs", "rootcert.pem"));
|
||
|
|
$testtype = UNRECOGNIZED_SIGALG;
|
||
|
|
$proxy->start();
|
||
|
|
ok(TLSProxy::Message->success(), "Unrecognized sigalg in ClientHello");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
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();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
sub modify_cert_verify_sigalg
|
||
|
|
{
|
||
|
|
my $proxy = shift;
|
||
|
|
|
||
|
|
# We're only interested in the CertificateVerify
|
||
|
|
if ($proxy->flight != 1) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach my $message (@{$proxy->message_list}) {
|
||
|
|
if ($message->mt == TLSProxy::Message::MT_CERTIFICATE_VERIFY) {
|
||
|
|
$message->sigalg(TLSProxy::Message::SIG_ALG_RSA_PSS_PSS_SHA256);
|
||
|
|
$message->repack();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
sub inject_unrecognized_sigalg
|
||
|
|
{
|
||
|
|
my $proxy = shift;
|
||
|
|
my $type;
|
||
|
|
|
||
|
|
# We're only interested in the initial ClientHello
|
||
|
|
if ($proxy->flight != 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ($testtype == UNRECOGNIZED_SIGALGS_CERT) {
|
||
|
|
$type = TLSProxy::Message::EXT_SIG_ALGS_CERT;
|
||
|
|
} elsif ($testtype == UNRECOGNIZED_SIGALG) {
|
||
|
|
$type = TLSProxy::Message::EXT_SIG_ALGS;
|
||
|
|
} else {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
my $ext = pack "C8",
|
||
|
|
0x00, 0x06, #Extension length
|
||
|
|
0xfe, 0x18, #private use
|
||
|
|
0x04, 0x01, #rsa_pkcs1_sha256
|
||
|
|
0x08, 0x04; #rsa_pss_rsae_sha256;
|
||
|
|
my $message = ${$proxy->message_list}[0];
|
||
|
|
$message->set_extension($type, $ext);
|
||
|
|
$message->repack;
|
||
|
|
}
|