c2a34c58f5
When using an anon DH ciphersuite a client should reject a 0 value for p. Reviewed-by: Richard Levitte <levitte@openssl.org>
89 lines
3.4 KiB
Perl
Executable file
89 lines
3.4 KiB
Perl
Executable file
#!/usr/bin/perl
|
|
# Written by Matt Caswell for the OpenSSL project.
|
|
# ====================================================================
|
|
# Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
#
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
#
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in
|
|
# the documentation and/or other materials provided with the
|
|
# distribution.
|
|
#
|
|
# 3. All advertising materials mentioning features or use of this
|
|
# software must display the following acknowledgment:
|
|
# "This product includes software developed by the OpenSSL Project
|
|
# for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
#
|
|
# 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
# endorse or promote products derived from this software without
|
|
# prior written permission. For written permission, please contact
|
|
# openssl-core@openssl.org.
|
|
#
|
|
# 5. Products derived from this software may not be called "OpenSSL"
|
|
# nor may "OpenSSL" appear in their names without prior written
|
|
# permission of the OpenSSL Project.
|
|
#
|
|
# 6. Redistributions of any form whatsoever must retain the following
|
|
# acknowledgment:
|
|
# "This product includes software developed by the OpenSSL Project
|
|
# for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
# OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
# ====================================================================
|
|
#
|
|
# This product includes cryptographic software written by Eric Young
|
|
# (eay@cryptsoft.com). This product includes software written by Tim
|
|
# Hudson (tjh@cryptsoft.com).
|
|
|
|
use strict;
|
|
use TLSProxy::Proxy;
|
|
|
|
my $proxy = TLSProxy::Proxy->new(
|
|
\&ske_0_p_filter,
|
|
@ARGV
|
|
);
|
|
|
|
#We must use an anon DHE cipher for this test
|
|
$proxy->cipherc('ADH-AES128-SHA:@SECLEVEL=0');
|
|
$proxy->ciphers('ADH-AES128-SHA:@SECLEVEL=0');
|
|
|
|
$proxy->start();
|
|
TLSProxy::Message->fail or die "FAILED: ServerKeyExchange with 0 p\n";
|
|
|
|
print "SUCCESS: ServerKeyExchange with 0 p\n";
|
|
|
|
sub ske_0_p_filter
|
|
{
|
|
my $proxy = shift;
|
|
|
|
# We're only interested in the SKE - always in flight 1
|
|
if ($proxy->flight != 1) {
|
|
return;
|
|
}
|
|
|
|
foreach my $message (@{$proxy->message_list}) {
|
|
if ($message->mt == TLSProxy::Message::MT_SERVER_KEY_EXCHANGE) {
|
|
#Set p to a value of 0
|
|
$message->p(pack('C', 0));
|
|
|
|
$message->repack();
|
|
}
|
|
}
|
|
}
|