X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=test%2Frecipes%2F70-test_sslcbcpadding.t;h=a293ab1e8d4d47bfe99bd7be9471cffc213119ce;hp=e2df24e8d1715c9c0e878a48bb7756a91e84c207;hb=c54492ecf8331fd87f6ac163f9fc5b576af128e8;hpb=3058b742664287a30be77488c2ce3d8103bffd64 diff --git a/test/recipes/70-test_sslcbcpadding.t b/test/recipes/70-test_sslcbcpadding.t index e2df24e8d1..a293ab1e8d 100644 --- a/test/recipes/70-test_sslcbcpadding.t +++ b/test/recipes/70-test_sslcbcpadding.t @@ -1,12 +1,14 @@ #! /usr/bin/env perl -# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. +# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. # -# Licensed under the OpenSSL license (the "License"). You may not use +# 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 use strict; +use feature 'state'; + use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/; use OpenSSL::Test::Utils; use TLSProxy::Proxy; @@ -15,7 +17,7 @@ my $test_name = "test_sslcbcpadding"; setup($test_name); plan skip_all => "TLSProxy isn't usable on $^O" - if $^O =~ /^(VMS|MSWin32)$/; + if $^O =~ /^(VMS)$/; plan skip_all => "$test_name needs the dynamic engine feature enabled" if disabled("engine") || disabled("dynamic-engine"); @@ -23,8 +25,8 @@ plan skip_all => "$test_name needs the dynamic engine feature enabled" plan skip_all => "$test_name needs the sock feature enabled" if disabled("sock"); -plan skip_all => "$test_name needs TLSv1.1 enabled" - if disabled("tls1_1"); +plan skip_all => "$test_name needs TLSv1.2 enabled" + if disabled("tls1_2"); $ENV{OPENSSL_ia32cap} = '~0x200000200000000'; my $proxy = TLSProxy::Proxy->new( @@ -40,25 +42,32 @@ my @test_offsets = (0, 128, 254, 255); # Test that maximally-padded records are accepted. my $bad_padding_offset = -1; +$proxy->serverflags("-tls1_2"); +$proxy->serverconnects(1 + scalar(@test_offsets)); $proxy->start() or plan skip_all => "Unable to start up Proxy for tests"; plan tests => 1 + scalar(@test_offsets); ok(TLSProxy::Message->success(), "Maximally-padded record test"); # Test that invalid padding is rejected. +my $fatal_alert; # set by add_maximal_padding_filter on client's fatal alert + foreach my $offset (@test_offsets) { - $proxy->clear(); $bad_padding_offset = $offset; - $proxy->start(); - ok(TLSProxy::Message->fail(), "Invalid padding byte $bad_padding_offset"); + $fatal_alert = 0; + $proxy->clearClient(); + $proxy->clientstart(); + ok($fatal_alert, "Invalid padding byte $bad_padding_offset"); } sub add_maximal_padding_filter { my $proxy = shift; + my $messages = $proxy->message_list; + state $sent_corrupted_payload; if ($proxy->flight == 0) { # Disable Encrypt-then-MAC. - foreach my $message (@{$proxy->message_list}) { + foreach my $message (@{$messages}) { if ($message->mt != TLSProxy::Message::MT_CLIENT_HELLO) { next; } @@ -67,9 +76,16 @@ sub add_maximal_padding_filter $message->process_extensions(); $message->repack(); } + $sent_corrupted_payload = 0; + return; } - if ($proxy->flight == 3) { + my $last_message = @{$messages}[-1]; + if (defined($last_message) + && $last_message->server + && $last_message->mt == TLSProxy::Message::MT_FINISHED + && !@{$last_message->records}[0]->{sent}) { + # Insert a maximally-padded record. Assume a block size of 16 (AES) and # a MAC length of 20 (SHA-1). my $block_size = 16; @@ -86,6 +102,7 @@ sub add_maximal_padding_filter # Add padding. for (my $i = 0; $i < 256; $i++) { if ($i == $bad_padding_offset) { + $sent_corrupted_payload = 1; $data .= "\xfe"; } else { $data .= "\xff"; @@ -97,6 +114,7 @@ sub add_maximal_padding_filter TLSProxy::Record::RT_APPLICATION_DATA, TLSProxy::Record::VERS_TLS_1_2, length($data), + 0, length($data), $plaintext_len, $data, @@ -105,5 +123,9 @@ sub add_maximal_padding_filter # Send the record immediately after the server Finished. push @{$proxy->record_list}, $record; + } elsif ($sent_corrupted_payload) { + # Check for bad_record_mac from client + my $last_record = @{$proxy->record_list}[-1]; + $fatal_alert = 1 if $last_record->is_fatal_alert(0) == 20; } }