2 # Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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
10 use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
11 use OpenSSL::Test::Utils;
12 use File::Temp qw(tempfile);
15 my $test_name = "test_tls13psk";
18 plan skip_all => "TLSProxy isn't usable on $^O"
19 if $^O =~ /^(VMS|MSWin32)$/;
21 plan skip_all => "$test_name needs the dynamic engine feature enabled"
22 if disabled("engine") || disabled("dynamic-engine");
24 plan skip_all => "$test_name needs the sock feature enabled"
27 plan skip_all => "$test_name needs TLSv1.3 enabled"
28 if disabled("tls1_3");
30 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
31 $ENV{CTLOG_FILE} = srctop_file("test", "ct", "log_list.conf");
33 my $proxy = TLSProxy::Proxy->new(
35 cmdstr(app(["openssl"]), display => 1),
36 srctop_file("apps", "server.pem"),
37 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
41 PSK_LAST_FIRST_CH => 0,
42 ILLEGAL_EXT_SECOND_CH => 1
45 #Most PSK tests are done in test_ssl_new. This just checks sending a PSK
46 #extension when it isn't in the last place in a ClientHello
48 #Test 1: First get a session
49 (undef, my $session) = tempfile();
50 $proxy->clientflags("-sess_out ".$session);
51 $proxy->sessionfile($session);
52 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
54 ok(TLSProxy::Message->success(), "Initial connection");
56 #Test 2: Attempt a resume with PSK not in last place. Should fail
58 $proxy->clientflags("-sess_in ".$session);
59 $proxy->filter(\&modify_psk_filter);
60 my $testtype = PSK_LAST_FIRST_CH;
62 ok(TLSProxy::Message->fail(), "PSK not last");
64 #Test 3: Attempt a resume after an HRR where PSK hash matches selected
65 # ciperhsuite. Should see PSK on second ClientHello
67 $proxy->clientflags("-sess_in ".$session);
68 $proxy->serverflags("-curves P-256");
69 $proxy->filter(undef);
71 #Check if the PSK is present in the second ClientHello
72 my $ch2 = ${$proxy->message_list}[2];
73 my $ch2seen = defined $ch2 && $ch2->mt() == TLSProxy::Message::MT_CLIENT_HELLO;
74 my $pskseen = $ch2seen
75 && defined ${$ch2->{extension_data}}{TLSProxy::Message::EXT_PSK};
76 ok($pskseen, "PSK hash matches");
78 #Test 4: Attempt a resume after an HRR where PSK hash does not match selected
79 # ciphersuite. Should not see PSK on second ClientHello
81 $proxy->clientflags("-sess_in ".$session);
82 $proxy->filter(\&modify_psk_filter);
83 $proxy->serverflags("-curves P-256");
84 $proxy->cipherc("TLS13-AES-128-GCM-SHA256:TLS13-AES-256-GCM-SHA384");
85 $proxy->ciphers("TLS13-AES-256-GCM-SHA384");
86 #We force an early failure because TLS Proxy doesn't actually support
87 #TLS13-AES-256-GCM-SHA384. That doesn't matter for this test though.
88 $testtype = ILLEGAL_EXT_SECOND_CH;
90 #Check if the PSK is present in the second ClientHello
91 $ch2 = ${$proxy->message_list}[2];
92 $ch2seen = defined $ch2 && $ch2->mt() == TLSProxy::Message::MT_CLIENT_HELLO;
94 && defined ${$ch2->extension_data}{TLSProxy::Message::EXT_PSK};
95 ok($ch2seen && !$pskseen, "PSK hash does not match");
100 sub modify_psk_filter
106 if ($testtype == PSK_LAST_FIRST_CH) {
112 # Only look at the first or second ClientHello
113 return if $proxy->flight != $flight;
115 if ($testtype == PSK_LAST_FIRST_CH) {
116 $message = ${$proxy->message_list}[0];
118 $message = ${$proxy->message_list}[2];
121 return if (!defined $message
122 || $message->mt != TLSProxy::Message::MT_CLIENT_HELLO);
124 if ($testtype == PSK_LAST_FIRST_CH) {
125 $message->set_extension(TLSProxy::Message::EXT_FORCE_LAST, "");
127 #Deliberately break the connection
128 $message->set_extension(TLSProxy::Message::EXT_SUPPORTED_GROUPS, "");