1#! /usr/bin/env perl 2# Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3# 4# Licensed under the Apache License 2.0 (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 8 9use strict; 10use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/; 11use OpenSSL::Test::Utils; 12use TLSProxy::Proxy; 13 14my $test_name = "test_sslskewith0p"; 15setup($test_name); 16 17plan skip_all => "TLSProxy isn't usable on $^O" 18 if $^O =~ /^(VMS)$/; 19 20plan skip_all => "$test_name needs the dynamic engine feature enabled" 21 if disabled("engine") || disabled("dynamic-engine"); 22 23plan skip_all => "dh is not supported by this OpenSSL build" 24 if disabled("dh"); 25 26plan skip_all => "$test_name needs the sock feature enabled" 27 if disabled("sock"); 28 29plan skip_all => "$test_name needs TLS enabled" 30 if alldisabled(available_protocols("tls")); 31 32$ENV{OPENSSL_ia32cap} = '~0x200000200000000'; 33my $proxy = TLSProxy::Proxy->new( 34 \&ske_0_p_filter, 35 cmdstr(app(["openssl"]), display => 1), 36 srctop_file("apps", "server.pem"), 37 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE}) 38); 39 40#We must use an anon DHE cipher for this test 41$proxy->cipherc('ADH-AES128-SHA:@SECLEVEL=0'); 42$proxy->ciphers('ADH-AES128-SHA:@SECLEVEL=0'); 43 44$proxy->clientflags("-no_tls1_3"); 45$proxy->start() or plan skip_all => "Unable to start up Proxy for tests"; 46plan tests => 1; 47ok(TLSProxy::Message->fail, "ServerKeyExchange with 0 p"); 48 49sub ske_0_p_filter 50{ 51 my $proxy = shift; 52 53 # We're only interested in the SKE - always in flight 1 54 if ($proxy->flight != 1) { 55 return; 56 } 57 58 foreach my $message (@{$proxy->message_list}) { 59 if ($message->mt == TLSProxy::Message::MT_SERVER_KEY_EXCHANGE) { 60 #Set p to a value of 0 61 $message->p(pack('C', 0)); 62 63 $message->repack(); 64 } 65 } 66} 67