mirror of https://github.com/openssl/openssl.git
377 lines
14 KiB
Perl
377 lines
14 KiB
Perl
# -*- mode: perl; -*-
|
|
# Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License 2.0 (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
|
|
|
|
|
|
## Test version negotiation
|
|
|
|
package ssltests;
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use List::Util qw/max min/;
|
|
|
|
use OpenSSL::Test;
|
|
use OpenSSL::Test::Utils qw/anydisabled alldisabled disabled/;
|
|
setup("no_test_here");
|
|
|
|
my @tls_protocols = ("SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2", "TLSv1.3");
|
|
my @tls_protocols_fips = ("TLSv1.2", "TLSv1.3");
|
|
# undef stands for "no limit".
|
|
my @min_tls_protocols = (undef, "SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2", "TLSv1.3");
|
|
my @min_tls_protocols_fips = (undef, "TLSv1.2", "TLSv1.3");
|
|
my @max_tls_protocols = ("SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2", "TLSv1.3", undef);
|
|
my @max_tls_protocols_fips = ("TLSv1.2", "TLSv1.3", undef);
|
|
|
|
my @is_tls_disabled = anydisabled("ssl3", "tls1", "tls1_1", "tls1_2", "tls1_3");
|
|
my @is_tls_disabled_fips = anydisabled("tls1_2", "tls1_3");
|
|
|
|
my $min_tls_enabled; my $max_tls_enabled;
|
|
my $min_tls_enabled_fips; my $max_tls_enabled_fips;
|
|
|
|
# Protocol configuration works in cascades, i.e.,
|
|
# $no_tls1_1 disables TLSv1.1 and below.
|
|
#
|
|
# $min_enabled and $max_enabled will be correct if there is at least one
|
|
# protocol enabled.
|
|
|
|
sub min_prot_enabled {
|
|
my $protref = shift;
|
|
my $disabledref = shift;
|
|
my @protocols = @{$protref};
|
|
my @is_disabled = @{$disabledref};
|
|
my $min_enabled;
|
|
|
|
foreach my $i (0..$#protocols) {
|
|
if (!$is_disabled[$i]) {
|
|
$min_enabled = $i;
|
|
last;
|
|
}
|
|
}
|
|
return $min_enabled;
|
|
}
|
|
|
|
sub max_prot_enabled {
|
|
my $protref = shift;
|
|
my $disabledref = shift;
|
|
my @protocols = @{$protref};
|
|
my @is_disabled = @{$disabledref};
|
|
my $max_enabled;
|
|
|
|
foreach my $i (0..$#protocols) {
|
|
if (!$is_disabled[$i]) {
|
|
$max_enabled = $i;
|
|
}
|
|
}
|
|
return $max_enabled;
|
|
}
|
|
|
|
$min_tls_enabled = min_prot_enabled(\@tls_protocols, \@is_tls_disabled);
|
|
$max_tls_enabled = max_prot_enabled(\@tls_protocols, \@is_tls_disabled);
|
|
$min_tls_enabled_fips = min_prot_enabled(\@tls_protocols_fips, \@is_tls_disabled_fips);
|
|
$max_tls_enabled_fips = max_prot_enabled(\@tls_protocols_fips, \@is_tls_disabled_fips);
|
|
|
|
|
|
my @dtls_protocols = ("DTLSv1", "DTLSv1.2");
|
|
my @dtls_protocols_fips = ("DTLSv1.2");
|
|
# undef stands for "no limit".
|
|
my @min_dtls_protocols = (undef, "DTLSv1", "DTLSv1.2");
|
|
my @min_dtls_protocols_fips = (undef, "DTLSv1.2");
|
|
my @max_dtls_protocols = ("DTLSv1", "DTLSv1.2", undef);
|
|
my @max_dtls_protocols_fips = ("DTLSv1.2", undef);
|
|
|
|
my @is_dtls_disabled = anydisabled("dtls1", "dtls1_2");
|
|
my @is_dtls_disabled_fips = anydisabled("dtls1_2");
|
|
|
|
my $min_dtls_enabled; my $max_dtls_enabled;
|
|
my $min_dtls_enabled_fips; my $max_dtls_enabled_fips;
|
|
|
|
# $min_enabled and $max_enabled will be correct if there is at least one
|
|
# protocol enabled.
|
|
$min_dtls_enabled = min_prot_enabled(\@dtls_protocols, \@is_dtls_disabled);
|
|
$max_dtls_enabled = max_prot_enabled(\@dtls_protocols, \@is_dtls_disabled);
|
|
$min_dtls_enabled_fips = min_prot_enabled(\@dtls_protocols_fips, \@is_dtls_disabled_fips);
|
|
$max_dtls_enabled_fips = max_prot_enabled(\@dtls_protocols_fips, \@is_dtls_disabled_fips);
|
|
|
|
sub no_tests {
|
|
my ($dtls) = @_;
|
|
return $dtls ? alldisabled("dtls1", "dtls1_2") :
|
|
alldisabled("ssl3", "tls1", "tls1_1", "tls1_2", "tls1_3");
|
|
}
|
|
|
|
sub generate_version_tests {
|
|
my $method = shift;
|
|
my $fips = shift;
|
|
|
|
my $dtls = $method eq "DTLS";
|
|
# Don't write the redundant "Method = TLS" into the configuration.
|
|
undef $method if !$dtls;
|
|
|
|
my @protocols;
|
|
my @min_protocols;
|
|
my @max_protocols;
|
|
my $min_enabled;
|
|
my $max_enabled;
|
|
if ($fips) {
|
|
@protocols = $dtls ? @dtls_protocols_fips : @tls_protocols_fips;
|
|
@min_protocols = $dtls ? @min_dtls_protocols_fips : @min_tls_protocols_fips;
|
|
@max_protocols = $dtls ? @max_dtls_protocols_fips : @max_tls_protocols_fips;
|
|
$min_enabled = $dtls ? $min_dtls_enabled_fips : $min_tls_enabled_fips;
|
|
$max_enabled = $dtls ? $max_dtls_enabled_fips : $max_tls_enabled_fips;
|
|
} else {
|
|
@protocols = $dtls ? @dtls_protocols : @tls_protocols;
|
|
@min_protocols = $dtls ? @min_dtls_protocols : @min_tls_protocols;
|
|
@max_protocols = $dtls ? @max_dtls_protocols : @max_tls_protocols;
|
|
$min_enabled = $dtls ? $min_dtls_enabled : $min_tls_enabled;
|
|
$max_enabled = $dtls ? $max_dtls_enabled : $max_tls_enabled;
|
|
}
|
|
|
|
if (no_tests($dtls)) {
|
|
return;
|
|
}
|
|
|
|
my @tests = ();
|
|
|
|
for (my $sctp = 0; $sctp < ($dtls && !disabled("sctp") ? 2 : 1); $sctp++) {
|
|
foreach my $c_min (0..$#min_protocols) {
|
|
my $c_max_min = $c_min == 0 ? 0 : $c_min - 1;
|
|
foreach my $c_max ($c_max_min..$#max_protocols) {
|
|
foreach my $s_min (0..$#min_protocols) {
|
|
my $s_max_min = $s_min == 0 ? 0 : $s_min - 1;
|
|
foreach my $s_max ($s_max_min..$#max_protocols) {
|
|
my ($result, $protocol) =
|
|
expected_result($c_min, $c_max, $s_min, $s_max,
|
|
$min_enabled, $max_enabled,
|
|
\@protocols);
|
|
push @tests, {
|
|
"name" => "version-negotiation",
|
|
"client" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MinProtocol" => $min_protocols[$c_min],
|
|
"MaxProtocol" => $max_protocols[$c_max],
|
|
},
|
|
"server" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MinProtocol" => $min_protocols[$s_min],
|
|
"MaxProtocol" => $max_protocols[$s_max],
|
|
},
|
|
"test" => {
|
|
"ExpectedResult" => $result,
|
|
"ExpectedProtocol" => $protocol,
|
|
"Method" => $method,
|
|
}
|
|
};
|
|
$tests[-1]{"test"}{"UseSCTP"} = "Yes" if $sctp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return @tests if disabled("tls1_3") || disabled("tls1_2") || $dtls;
|
|
|
|
#Add some version/ciphersuite sanity check tests
|
|
push @tests, {
|
|
"name" => "ciphersuite-sanity-check-client",
|
|
"client" => {
|
|
#Offering only <=TLSv1.2 ciphersuites with TLSv1.3 should fail
|
|
"CipherString" => "AES128-SHA",
|
|
"Ciphersuites" => "",
|
|
},
|
|
"server" => {
|
|
"MaxProtocol" => "TLSv1.2"
|
|
},
|
|
"test" => {
|
|
"ExpectedResult" => "ClientFail",
|
|
}
|
|
};
|
|
push @tests, {
|
|
"name" => "ciphersuite-sanity-check-server",
|
|
"client" => {
|
|
"CipherString" => "AES128-SHA",
|
|
"MaxProtocol" => "TLSv1.2"
|
|
},
|
|
"server" => {
|
|
#Allowing only <=TLSv1.2 ciphersuites with TLSv1.3 should fail
|
|
"CipherString" => "AES128-SHA",
|
|
"Ciphersuites" => "",
|
|
},
|
|
"test" => {
|
|
"ExpectedResult" => "ServerFail",
|
|
}
|
|
};
|
|
|
|
return @tests;
|
|
}
|
|
|
|
sub generate_resumption_tests {
|
|
my $method = shift;
|
|
my $fips = shift;
|
|
|
|
my $dtls = $method eq "DTLS";
|
|
# Don't write the redundant "Method = TLS" into the configuration.
|
|
undef $method if !$dtls;
|
|
|
|
my @protocols;
|
|
my $min_enabled;
|
|
my $max_enabled;
|
|
|
|
if ($fips) {
|
|
@protocols = $dtls ? @dtls_protocols_fips : @tls_protocols_fips;
|
|
$min_enabled = $dtls ? $min_dtls_enabled_fips : $min_tls_enabled_fips;
|
|
$max_enabled = $dtls ? $max_dtls_enabled_fips : $max_tls_enabled_fips;
|
|
} else {
|
|
@protocols = $dtls ? @dtls_protocols : @tls_protocols;
|
|
$min_enabled = $dtls ? $min_dtls_enabled : $min_tls_enabled;
|
|
$max_enabled = $dtls ? $max_dtls_enabled : $max_tls_enabled;
|
|
}
|
|
|
|
if (no_tests($dtls)) {
|
|
return;
|
|
}
|
|
|
|
my @server_tests = ();
|
|
my @client_tests = ();
|
|
|
|
# Obtain the first session against a fixed-version server/client.
|
|
foreach my $original_protocol($min_enabled..$max_enabled) {
|
|
# Upgrade or downgrade the server/client max version support and test
|
|
# that it upgrades, downgrades or resumes the session as well.
|
|
foreach my $resume_protocol($min_enabled..$max_enabled) {
|
|
my $resumption_expected;
|
|
# We should only resume on exact version match.
|
|
if ($original_protocol eq $resume_protocol) {
|
|
$resumption_expected = "Yes";
|
|
} else {
|
|
$resumption_expected = "No";
|
|
}
|
|
|
|
for (my $sctp = 0; $sctp < ($dtls && !disabled("sctp") ? 2 : 1);
|
|
$sctp++) {
|
|
foreach my $ticket ("SessionTicket", "-SessionTicket") {
|
|
# Client is flexible, server upgrades/downgrades.
|
|
push @server_tests, {
|
|
"name" => "resumption",
|
|
"client" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
},
|
|
"server" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MinProtocol" => $protocols[$original_protocol],
|
|
"MaxProtocol" => $protocols[$original_protocol],
|
|
"Options" => $ticket,
|
|
},
|
|
"resume_server" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MaxProtocol" => $protocols[$resume_protocol],
|
|
"Options" => $ticket,
|
|
},
|
|
"test" => {
|
|
"ExpectedProtocol" => $protocols[$resume_protocol],
|
|
"Method" => $method,
|
|
"HandshakeMode" => "Resume",
|
|
"ResumptionExpected" => $resumption_expected,
|
|
}
|
|
};
|
|
$server_tests[-1]{"test"}{"UseSCTP"} = "Yes" if $sctp;
|
|
# Server is flexible, client upgrades/downgrades.
|
|
push @client_tests, {
|
|
"name" => "resumption",
|
|
"client" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MinProtocol" => $protocols[$original_protocol],
|
|
"MaxProtocol" => $protocols[$original_protocol],
|
|
},
|
|
"server" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"Options" => $ticket,
|
|
},
|
|
"resume_client" => {
|
|
"CipherString" => "DEFAULT:\@SECLEVEL=0",
|
|
"MaxProtocol" => $protocols[$resume_protocol],
|
|
},
|
|
"test" => {
|
|
"ExpectedProtocol" => $protocols[$resume_protocol],
|
|
"Method" => $method,
|
|
"HandshakeMode" => "Resume",
|
|
"ResumptionExpected" => $resumption_expected,
|
|
}
|
|
};
|
|
$client_tests[-1]{"test"}{"UseSCTP"} = "Yes" if $sctp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!disabled("tls1_3") && !$dtls) {
|
|
push @client_tests, {
|
|
"name" => "resumption-with-hrr",
|
|
"client" => {
|
|
},
|
|
"server" => {
|
|
"Curves" => disabled("ec") ? "ffdhe3072" : "P-256"
|
|
},
|
|
"resume_client" => {
|
|
},
|
|
"test" => {
|
|
"ExpectedProtocol" => "TLSv1.3",
|
|
"Method" => "TLS",
|
|
"HandshakeMode" => "Resume",
|
|
"ResumptionExpected" => "Yes",
|
|
}
|
|
};
|
|
}
|
|
|
|
return (@server_tests, @client_tests);
|
|
}
|
|
|
|
sub expected_result {
|
|
my ($c_min, $c_max, $s_min, $s_max, $min_enabled, $max_enabled,
|
|
$protocols) = @_;
|
|
|
|
# Adjust for "undef" (no limit).
|
|
$c_min = $c_min == 0 ? 0 : $c_min - 1;
|
|
$c_max = $c_max == scalar @$protocols ? $c_max - 1 : $c_max;
|
|
$s_min = $s_min == 0 ? 0 : $s_min - 1;
|
|
$s_max = $s_max == scalar @$protocols ? $s_max - 1 : $s_max;
|
|
|
|
# We now have at least one protocol enabled, so $min_enabled and
|
|
# $max_enabled are well-defined.
|
|
$c_min = max $c_min, $min_enabled;
|
|
$s_min = max $s_min, $min_enabled;
|
|
$c_max = min $c_max, $max_enabled;
|
|
$s_max = min $s_max, $max_enabled;
|
|
|
|
if ($c_min > $c_max) {
|
|
# Client should fail to even send a hello.
|
|
return ("ClientFail", undef);
|
|
} elsif ($s_min > $s_max) {
|
|
# Server has no protocols, should always fail.
|
|
return ("ServerFail", undef);
|
|
} elsif ($s_min > $c_max) {
|
|
# Server doesn't support the client range.
|
|
return ("ServerFail", undef);
|
|
} elsif ($c_min > $s_max) {
|
|
my @prots = @$protocols;
|
|
if ($prots[$c_max] eq "TLSv1.3") {
|
|
# Client will have sent supported_versions, so server will know
|
|
# that there are no overlapping versions.
|
|
return ("ServerFail", undef);
|
|
} else {
|
|
# Server will try with a version that is lower than the lowest
|
|
# supported client version.
|
|
return ("ClientFail", undef);
|
|
}
|
|
} else {
|
|
# Server and client ranges overlap.
|
|
my $max_common = $s_max < $c_max ? $s_max : $c_max;
|
|
return ("Success", $protocols->[$max_common]);
|
|
}
|
|
}
|
|
|
|
1;
|