233 lines
9.6 KiB
Perl
233 lines
9.6 KiB
Perl
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#! /usr/bin/env perl
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# Copyright 2015-2019 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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package checkhandshake;
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use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
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use OpenSSL::Test::Utils;
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use TLSProxy::Proxy;
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use Exporter;
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our @ISA = 'Exporter';
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our @EXPORT = qw(@handmessages @extensions checkhandshake);
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use constant {
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DEFAULT_HANDSHAKE => 1,
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OCSP_HANDSHAKE => 2,
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RESUME_HANDSHAKE => 4,
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CLIENT_AUTH_HANDSHAKE => 8,
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RENEG_HANDSHAKE => 16,
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NPN_HANDSHAKE => 32,
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EC_HANDSHAKE => 64,
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HRR_HANDSHAKE => 128,
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HRR_RESUME_HANDSHAKE => 256,
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ALL_HANDSHAKES => 511
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};
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use constant {
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#DEFAULT also includes SESSION_TICKET_SRV_EXTENSION and SERVER_NAME_CLI
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DEFAULT_EXTENSIONS => 0x00000007,
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SESSION_TICKET_SRV_EXTENSION => 0x00000002,
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SERVER_NAME_CLI_EXTENSION => 0x00000004,
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SERVER_NAME_SRV_EXTENSION => 0x00000008,
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STATUS_REQUEST_CLI_EXTENSION => 0x00000010,
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STATUS_REQUEST_SRV_EXTENSION => 0x00000020,
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ALPN_CLI_EXTENSION => 0x00000040,
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ALPN_SRV_EXTENSION => 0x00000080,
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SCT_CLI_EXTENSION => 0x00000100,
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SCT_SRV_EXTENSION => 0x00000200,
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RENEGOTIATE_CLI_EXTENSION => 0x00000400,
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NPN_CLI_EXTENSION => 0x00000800,
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NPN_SRV_EXTENSION => 0x00001000,
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SRP_CLI_EXTENSION => 0x00002000,
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#Client side for ec point formats is a default extension
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EC_POINT_FORMAT_SRV_EXTENSION => 0x00004000,
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PSK_CLI_EXTENSION => 0x00008000,
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PSK_SRV_EXTENSION => 0x00010000,
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KEY_SHARE_SRV_EXTENSION => 0x00020000,
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PSK_KEX_MODES_EXTENSION => 0x00040000,
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KEY_SHARE_HRR_EXTENSION => 0x00080000,
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SUPPORTED_GROUPS_SRV_EXTENSION => 0x00100000,
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POST_HANDSHAKE_AUTH_CLI_EXTENSION => 0x00200000
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};
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our @handmessages = ();
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our @extensions = ();
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sub checkhandshake($$$$)
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{
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my ($proxy, $handtype, $exttype, $testname) = @_;
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subtest $testname => sub {
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my $loop = 0;
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my $numtests;
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my $extcount;
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my $clienthelloseen = 0;
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my $lastmt = 0;
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my $numsh = 0;
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if (TLSProxy::Proxy::is_tls13()) {
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#How many ServerHellos are we expecting?
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for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) {
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next if (($handmessages[$loop][1] & $handtype) == 0);
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$numsh++ if ($lastmt != TLSProxy::Message::MT_SERVER_HELLO
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&& $handmessages[$loop][0] == TLSProxy::Message::MT_SERVER_HELLO);
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$lastmt = $handmessages[$loop][0];
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}
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}
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#First count the number of tests
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my $nextmess = 0;
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my $message = undef;
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my $chnum = 0;
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my $shnum = 0;
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if (!TLSProxy::Proxy::is_tls13()) {
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# In non-TLSv1.3 we always treat reneg CH and SH like the first CH
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# and SH
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$chnum = 1;
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$shnum = 1;
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}
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#If we're only expecting one ServerHello out of two then we skip the
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#first ServerHello in the list completely
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$shnum++ if ($numsh == 1 && TLSProxy::Proxy::is_tls13());
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$loop = 0;
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for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) {
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next if (($handmessages[$loop][1] & $handtype) == 0);
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if (scalar @{$proxy->message_list} > $nextmess) {
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$message = ${$proxy->message_list}[$nextmess];
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$nextmess++;
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} else {
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$message = undef;
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}
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$numtests++;
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next if (!defined $message);
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if (TLSProxy::Proxy::is_tls13()) {
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$chnum++ if $message->mt() == TLSProxy::Message::MT_CLIENT_HELLO;
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$shnum++ if $message->mt() == TLSProxy::Message::MT_SERVER_HELLO;
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}
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next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO
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&& $message->mt() != TLSProxy::Message::MT_SERVER_HELLO
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&& $message->mt() !=
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TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS
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&& $message->mt() != TLSProxy::Message::MT_CERTIFICATE
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&& $message->mt() != TLSProxy::Message::MT_CERTIFICATE_REQUEST);
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next if $message->mt() == TLSProxy::Message::MT_CERTIFICATE
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&& !TLSProxy::Proxy::is_tls13();
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my $extchnum = 1;
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my $extshnum = 1;
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for (my $extloop = 0;
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$extensions[$extloop][3] != 0;
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$extloop++) {
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$extchnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_CLIENT_HELLO
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&& TLSProxy::Proxy::is_tls13();
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$extshnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_SERVER_HELLO
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&& $extchnum == 2;
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next if $extensions[$extloop][0] == TLSProxy::Message::MT_CLIENT_HELLO
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&& $extchnum != $chnum;
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next if $extensions[$extloop][0] == TLSProxy::Message::MT_SERVER_HELLO
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&& $extshnum != $shnum;
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next if ($message->mt() != $extensions[$extloop][0]);
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next if ($message->server() != $extensions[$extloop][2]);
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$numtests++;
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}
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$numtests++;
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}
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plan tests => $numtests;
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$nextmess = 0;
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$message = undef;
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if (TLSProxy::Proxy::is_tls13()) {
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$chnum = 0;
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$shnum = 0;
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} else {
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# In non-TLSv1.3 we always treat reneg CH and SH like the first CH
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# and SH
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$chnum = 1;
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$shnum = 1;
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}
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#If we're only expecting one ServerHello out of two then we skip the
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#first ServerHello in the list completely
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$shnum++ if ($numsh == 1 && TLSProxy::Proxy::is_tls13());
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for ($loop = 0; $handmessages[$loop][1] != 0; $loop++) {
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next if (($handmessages[$loop][1] & $handtype) == 0);
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if (scalar @{$proxy->message_list} > $nextmess) {
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$message = ${$proxy->message_list}[$nextmess];
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$nextmess++;
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} else {
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$message = undef;
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}
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if (!defined $message) {
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fail("Message type check. Got nothing, expected "
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.$handmessages[$loop][0]);
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next;
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} else {
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ok($message->mt == $handmessages[$loop][0],
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"Message type check. Got ".$message->mt
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.", expected ".$handmessages[$loop][0]);
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}
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if (TLSProxy::Proxy::is_tls13()) {
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$chnum++ if $message->mt() == TLSProxy::Message::MT_CLIENT_HELLO;
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$shnum++ if $message->mt() == TLSProxy::Message::MT_SERVER_HELLO;
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}
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next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO
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&& $message->mt() != TLSProxy::Message::MT_SERVER_HELLO
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&& $message->mt() !=
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TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS
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&& $message->mt() != TLSProxy::Message::MT_CERTIFICATE
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&& $message->mt() != TLSProxy::Message::MT_CERTIFICATE_REQUEST);
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next if $message->mt() == TLSProxy::Message::MT_CERTIFICATE
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&& !TLSProxy::Proxy::is_tls13();
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if ($message->mt() == TLSProxy::Message::MT_CLIENT_HELLO) {
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#Add renegotiate extension we will expect if renegotiating
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$exttype |= RENEGOTIATE_CLI_EXTENSION
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if ($clienthelloseen && !TLSProxy::Proxy::is_tls13());
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$clienthelloseen = 1;
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}
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#Now check that we saw the extensions we expected
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my $msgexts = $message->extension_data();
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my $extchnum = 1;
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my $extshnum = 1;
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for (my $extloop = 0, $extcount = 0; $extensions[$extloop][3] != 0;
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$extloop++) {
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#In TLSv1.3 we can have two ClientHellos if there has been a
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#HelloRetryRequest, and they may have different extensions. Skip
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#if these are extensions for a different ClientHello
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$extchnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_CLIENT_HELLO
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&& TLSProxy::Proxy::is_tls13();
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$extshnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_SERVER_HELLO
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&& $extchnum == 2;
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next if $extensions[$extloop][0] == TLSProxy::Message::MT_CLIENT_HELLO
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&& $extchnum != $chnum;
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next if $extensions[$extloop][0] == TLSProxy::Message::MT_SERVER_HELLO
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&& $extshnum != $shnum;
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next if ($message->mt() != $extensions[$extloop][0]);
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next if ($message->server() != $extensions[$extloop][2]);
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ok (($extensions[$extloop][3] & $exttype) == 0
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|| defined ($msgexts->{$extensions[$extloop][1]}),
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"Extension presence check (Message: ".$message->mt()
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." Extension: ".($extensions[$extloop][3] & $exttype).", "
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.$extloop.")");
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$extcount++ if (($extensions[$extloop][3] & $exttype) != 0);
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}
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ok($extcount == keys %$msgexts, "Extensions count mismatch ("
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.$extcount.", ".(keys %$msgexts)
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.")");
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}
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}
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}
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1;
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