Import OpenSSL 1.1.0f
This commit is contained in:
Steve Dower
Steve Dower
247
test/ssl-tests/protocol_version.pm
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247
test/ssl-tests/protocol_version.pm
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# -*- mode: perl; -*-
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# Copyright 2016-2016 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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## Test version negotiation
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package ssltests;
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use strict;
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use warnings;
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use List::Util qw/max min/;
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use OpenSSL::Test;
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use OpenSSL::Test::Utils qw/anydisabled alldisabled/;
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setup("no_test_here");
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my @tls_protocols = ("SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2");
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# undef stands for "no limit".
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my @min_tls_protocols = (undef, "SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2");
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my @max_tls_protocols = ("SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2", undef);
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my @is_tls_disabled = anydisabled("ssl3", "tls1", "tls1_1", "tls1_2");
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my $min_tls_enabled; my $max_tls_enabled;
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# Protocol configuration works in cascades, i.e.,
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# $no_tls1_1 disables TLSv1.1 and below.
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#
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# $min_enabled and $max_enabled will be correct if there is at least one
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# protocol enabled.
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foreach my $i (0..$#tls_protocols) {
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if (!$is_tls_disabled[$i]) {
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$min_tls_enabled = $i;
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last;
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}
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}
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foreach my $i (0..$#tls_protocols) {
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if (!$is_tls_disabled[$i]) {
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$max_tls_enabled = $i;
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}
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}
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my @dtls_protocols = ("DTLSv1", "DTLSv1.2");
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# undef stands for "no limit".
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my @min_dtls_protocols = (undef, "DTLSv1", "DTLSv1.2");
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my @max_dtls_protocols = ("DTLSv1", "DTLSv1.2", undef);
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my @is_dtls_disabled = anydisabled("dtls1", "dtls1_2");
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my $min_dtls_enabled; my $max_dtls_enabled;
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# $min_enabled and $max_enabled will be correct if there is at least one
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# protocol enabled.
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foreach my $i (0..$#dtls_protocols) {
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if (!$is_dtls_disabled[$i]) {
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$min_dtls_enabled = $i;
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last;
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}
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}
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foreach my $i (0..$#dtls_protocols) {
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if (!$is_dtls_disabled[$i]) {
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$max_dtls_enabled = $i;
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}
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}
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sub no_tests {
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my ($dtls) = @_;
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return $dtls ? alldisabled("dtls1", "dtls1_2") :
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alldisabled("ssl3", "tls1", "tls1_1", "tls1_2");
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}
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sub generate_version_tests {
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my ($method) = @_;
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my $dtls = $method eq "DTLS";
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# Don't write the redundant "Method = TLS" into the configuration.
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undef $method if !$dtls;
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my @protocols = $dtls ? @dtls_protocols : @tls_protocols;
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my @min_protocols = $dtls ? @min_dtls_protocols : @min_tls_protocols;
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my @max_protocols = $dtls ? @max_dtls_protocols : @max_tls_protocols;
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my $min_enabled = $dtls ? $min_dtls_enabled : $min_tls_enabled;
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my $max_enabled = $dtls ? $max_dtls_enabled : $max_tls_enabled;
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if (no_tests($dtls)) {
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return;
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}
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my @tests = ();
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foreach my $c_min (0..$#min_protocols) {
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my $c_max_min = $c_min == 0 ? 0 : $c_min - 1;
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foreach my $c_max ($c_max_min..$#max_protocols) {
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foreach my $s_min (0..$#min_protocols) {
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my $s_max_min = $s_min == 0 ? 0 : $s_min - 1;
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foreach my $s_max ($s_max_min..$#max_protocols) {
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my ($result, $protocol) =
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expected_result($c_min, $c_max, $s_min, $s_max,
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$min_enabled, $max_enabled, \@protocols);
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push @tests, {
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"name" => "version-negotiation",
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"client" => {
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"MinProtocol" => $min_protocols[$c_min],
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"MaxProtocol" => $max_protocols[$c_max],
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},
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"server" => {
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"MinProtocol" => $min_protocols[$s_min],
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"MaxProtocol" => $max_protocols[$s_max],
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},
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"test" => {
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"ExpectedResult" => $result,
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"ExpectedProtocol" => $protocol,
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"Method" => $method,
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}
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};
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}
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}
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}
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}
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return @tests;
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}
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sub generate_resumption_tests {
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my ($method) = @_;
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my $dtls = $method eq "DTLS";
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# Don't write the redundant "Method = TLS" into the configuration.
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undef $method if !$dtls;
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my @protocols = $dtls ? @dtls_protocols : @tls_protocols;
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my $min_enabled = $dtls ? $min_dtls_enabled : $min_tls_enabled;
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if (no_tests($dtls)) {
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return;
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}
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my @server_tests = ();
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my @client_tests = ();
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# Obtain the first session against a fixed-version server/client.
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foreach my $original_protocol($min_enabled..$#protocols) {
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# Upgrade or downgrade the server/client max version support and test
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# that it upgrades, downgrades or resumes the session as well.
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foreach my $resume_protocol($min_enabled..$#protocols) {
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my $resumption_expected;
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# We should only resume on exact version match.
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if ($original_protocol eq $resume_protocol) {
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$resumption_expected = "Yes";
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} else {
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$resumption_expected = "No";
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}
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foreach my $ticket ("SessionTicket", "-SessionTicket") {
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# Client is flexible, server upgrades/downgrades.
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push @server_tests, {
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"name" => "resumption",
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"client" => { },
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"server" => {
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"MinProtocol" => $protocols[$original_protocol],
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"MaxProtocol" => $protocols[$original_protocol],
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"Options" => $ticket,
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},
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"resume_server" => {
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"MaxProtocol" => $protocols[$resume_protocol],
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},
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"test" => {
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"ExpectedProtocol" => $protocols[$resume_protocol],
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"Method" => $method,
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"HandshakeMode" => "Resume",
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"ResumptionExpected" => $resumption_expected,
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}
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};
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# Server is flexible, client upgrades/downgrades.
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push @client_tests, {
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"name" => "resumption",
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"client" => {
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"MinProtocol" => $protocols[$original_protocol],
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"MaxProtocol" => $protocols[$original_protocol],
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},
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"server" => {
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"Options" => $ticket,
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},
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"resume_client" => {
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"MaxProtocol" => $protocols[$resume_protocol],
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},
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"test" => {
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"ExpectedProtocol" => $protocols[$resume_protocol],
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"Method" => $method,
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"HandshakeMode" => "Resume",
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"ResumptionExpected" => $resumption_expected,
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}
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};
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}
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}
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}
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return (@server_tests, @client_tests);
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}
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sub expected_result {
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my ($c_min, $c_max, $s_min, $s_max, $min_enabled, $max_enabled,
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$protocols) = @_;
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# Adjust for "undef" (no limit).
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$c_min = $c_min == 0 ? 0 : $c_min - 1;
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$c_max = $c_max == scalar @$protocols ? $c_max - 1 : $c_max;
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$s_min = $s_min == 0 ? 0 : $s_min - 1;
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$s_max = $s_max == scalar @$protocols ? $s_max - 1 : $s_max;
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# We now have at least one protocol enabled, so $min_enabled and
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# $max_enabled are well-defined.
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$c_min = max $c_min, $min_enabled;
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$s_min = max $s_min, $min_enabled;
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$c_max = min $c_max, $max_enabled;
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$s_max = min $s_max, $max_enabled;
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if ($c_min > $c_max) {
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# Client should fail to even send a hello.
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# This results in an internal error since the server will be
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# waiting for input that never arrives.
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return ("InternalError", undef);
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} elsif ($s_min > $s_max) {
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# Server has no protocols, should always fail.
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return ("ServerFail", undef);
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} elsif ($s_min > $c_max) {
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# Server doesn't support the client range.
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return ("ServerFail", undef);
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} elsif ($c_min > $s_max) {
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# Server will try with a version that is lower than the lowest
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# supported client version.
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return ("ClientFail", undef);
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} else {
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# Server and client ranges overlap.
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my $max_common = $s_max < $c_max ? $s_max : $c_max;
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return ("Success", $protocols->[$max_common]);
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}
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}
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1;
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