-# Written by Matt Caswell for the OpenSSL project.
-# ====================================================================
-# Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
+# Copyright 2016 The OpenSSL Project Authors. 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).
+# Licensed under the OpenSSL license (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;
MT_CLIENT_HELLO => 1,
MT_SERVER_HELLO => 2,
MT_NEW_SESSION_TICKET => 4,
+ MT_ENCRYPTED_EXTENSIONS => 8,
MT_CERTIFICATE => 11,
MT_SERVER_KEY_EXCHANGE => 12,
MT_CERTIFICATE_REQUEST => 13,
MT_CERTIFICATE_STATUS => 22,
MT_NEXT_PROTO => 67
};
+
+#Alert levels
+use constant {
+ AL_LEVEL_WARN => 1,
+ AL_LEVEL_FATAL => 2
+};
+
+#Alert descriptions
+use constant {
+ AL_DESC_CLOSE_NOTIFY => 0,
+ AL_DESC_UNEXPECTED_MESSAGE => 10,
+ AL_DESC_NO_RENEGOTIATION => 100
+};
+
my %message_type = (
MT_HELLO_REQUEST, "HelloRequest",
MT_CLIENT_HELLO, "ClientHello",
MT_SERVER_HELLO, "ServerHello",
MT_NEW_SESSION_TICKET, "NewSessionTicket",
+ MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions",
MT_CERTIFICATE, "Certificate",
MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange",
MT_CERTIFICATE_REQUEST, "CertificateRequest",
MT_NEXT_PROTO, "NextProto"
);
+use constant {
+ EXT_SERVER_NAME => 0,
+ EXT_STATUS_REQUEST => 5,
+ EXT_SUPPORTED_GROUPS => 10,
+ EXT_EC_POINT_FORMATS => 11,
+ EXT_SRP => 12,
+ EXT_SIG_ALGS => 13,
+ EXT_USE_SRTP => 14,
+ EXT_ALPN => 16,
+ EXT_SCT => 18,
+ EXT_PADDING => 21,
+ EXT_ENCRYPT_THEN_MAC => 22,
+ EXT_EXTENDED_MASTER_SECRET => 23,
+ EXT_SESSION_TICKET => 35,
+ EXT_KEY_SHARE => 40,
+ EXT_SUPPORTED_VERSIONS => 43,
+ EXT_PSK_KEX_MODES => 45,
+ EXT_RENEGOTIATE => 65281,
+ EXT_NPN => 13172,
+ # This extension is an unofficial extension only ever written by OpenSSL
+ # (i.e. not read), and even then only when enabled. We use it to test
+ # handling of duplicate extensions.
+ EXT_DUPLICATE_EXTENSION => 0xfde8
+};
+
+use constant {
+ CIPHER_DHE_RSA_AES_128_SHA => 0x0033,
+ CIPHER_ADH_AES_128_SHA => 0x0034
+};
+
my $payload = "";
my $messlen = -1;
my $mt;
die "CCS received before message data complete\n";
}
if ($server) {
- TLSProxy::Record->server_ccs_seen(1);
+ TLSProxy::Record->server_encrypting(1);
} else {
- TLSProxy::Record->client_ccs_seen(1);
+ TLSProxy::Record->client_encrypting(1);
}
} elsif ($record->content_type == TLSProxy::Record::RT_HANDSHAKE) {
if ($record->len == 0 || $record->len_real == 0) {
$startoffset);
push @messages, $message;
- #Check if we have finished the handshake
- if ($mt == MT_FINISHED && $server) {
- $success = 1;
- $end = 1;
- }
$payload = "";
} else {
#This is just part of the total message
$recoffset += 4;
$payload = "";
- if ($recoffset < $record->decrypt_len) {
+ if ($recoffset <= $record->decrypt_len) {
#Some payload data is present in this record
if ($record->decrypt_len - $recoffset >= $messlen) {
#We can complete the message with this record
$startoffset);
push @messages, $message;
- #Check if we have finished the handshake
- if ($mt == MT_FINISHED && $server) {
- $success = 1;
- $end = 1;
- }
$payload = "";
} else {
#This is just part of the total message
print " [ENCRYPTED APPLICATION DATA]\n";
print " [".$record->decrypt_data."]\n";
} elsif ($record->content_type == TLSProxy::Record::RT_ALERT) {
- #For now assume all alerts are fatal
+ my ($alertlev, $alertdesc) = unpack('CC', $record->decrypt_data);
+ #A CloseNotify from the client indicates we have finished successfully
+ #(we assume)
+ if (!$end && !$server && $alertlev == AL_LEVEL_WARN
+ && $alertdesc == AL_DESC_CLOSE_NOTIFY) {
+ $success = 1;
+ }
+ #All alerts end the test
$end = 1;
}
[@message_frag_lens]
);
$message->parse();
+ } elsif ($mt == MT_ENCRYPTED_EXTENSIONS) {
+ $message = TLSProxy::EncryptedExtensions->new(
+ $server,
+ $data,
+ [@message_rec_list],
+ $startoffset,
+ [@message_frag_lens]
+ );
+ $message->parse();
+ } elsif ($mt == MT_CERTIFICATE) {
+ $message = TLSProxy::Certificate->new(
+ $server,
+ $data,
+ [@message_rec_list],
+ $startoffset,
+ [@message_frag_lens]
+ );
+ $message->parse();
+ } elsif ($mt == MT_CERTIFICATE_VERIFY) {
+ $message = TLSProxy::CertificateVerify->new(
+ $server,
+ $data,
+ [@message_rec_list],
+ $startoffset,
+ [@message_frag_lens]
+ );
+ $message->parse();
} elsif ($mt == MT_SERVER_KEY_EXCHANGE) {
$message = TLSProxy::ServerKeyExchange->new(
$server,
[@message_frag_lens]
);
$message->parse();
+ } elsif ($mt == MT_NEW_SESSION_TICKET) {
+ $message = TLSProxy::NewSessionTicket->new(
+ $server,
+ $data,
+ [@message_rec_list],
+ $startoffset,
+ [@message_frag_lens]
+ );
+ $message->parse();
} else {
#Unknown message type
$message = TLSProxy::Message->new(
}
#Update all the underlying records with the modified data from this message
-#Note: Does not currently support re-encrypting
+#Note: Only supports re-encrypting for TLSv1.3
sub repack
{
my $self = shift;
$lenlo = length($self->data) & 0xff;
$lenhi = length($self->data) >> 8;
- my $msgdata = pack('CnC', $self->mt, $lenhi, $lenlo).$self->data;
-
+ $msgdata = pack('CnC', $self->mt, $lenhi, $lenlo).$self->data;
if ($numrecs == 0) {
#The message is fully contained within one record
my ($rec) = @{$self->records};
my $recdata = $rec->decrypt_data;
- if (length($msgdata) != ${$self->message_frag_lens}[0]
- + TLS_MESSAGE_HEADER_LENGTH) {
- #Message length has changed! Better adjust the record length
- my $diff = length($msgdata) - ${$self->message_frag_lens}[0]
- - TLS_MESSAGE_HEADER_LENGTH;
- $rec->len($rec->len + $diff);
+ my $old_length;
+
+ # We use empty message_frag_lens to indicates that pre-repacking,
+ # the message wasn't present. The first fragment length doesn't include
+ # the TLS header, so we need to check and compute the right length.
+ if (@{$self->message_frag_lens}) {
+ $old_length = ${$self->message_frag_lens}[0] +
+ TLS_MESSAGE_HEADER_LENGTH;
+ } else {
+ $old_length = 0;
}
- $rec->data(substr($recdata, 0, $self->startoffset)
- .($msgdata)
- .substr($recdata, ${$self->message_frag_lens}[0]
- + TLS_MESSAGE_HEADER_LENGTH));
+ my $prefix = substr($recdata, 0, $self->startoffset);
+ my $suffix = substr($recdata, $self->startoffset + $old_length);
+
+ $rec->decrypt_data($prefix.($msgdata).($suffix));
+ # TODO(openssl-team): don't keep explicit lengths.
+ # (If a length override is ever needed to construct invalid packets,
+ # use an explicit override field instead.)
+ $rec->decrypt_len(length($rec->decrypt_data));
+ $rec->len($rec->len + length($msgdata) - $old_length);
+ # Only support re-encryption for TLSv1.3.
+ if (TLSProxy::Proxy->is_tls13() && $rec->encrypted()) {
+ #Add content type (1 byte) and 16 tag bytes
+ $rec->data($rec->decrypt_data
+ .pack("C", TLSProxy::Record::RT_HANDSHAKE).("\0"x16));
+ } else {
+ $rec->data($rec->decrypt_data);
+ }
#Update the fragment len in case we changed it above
${$self->message_frag_lens}[0] = length($msgdata)
}
return $self->{message_frag_lens};
}
+sub encoded_length
+{
+ my $self = shift;
+ return TLS_MESSAGE_HEADER_LENGTH + length($self->data);
+}
1;
projects / openssl.git / blobdiff