1 # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
3 # Licensed under the OpenSSL license (the "License"). You may not use
4 # this file except in compliance with the License. You can obtain a copy
5 # in the file LICENSE in the source distribution or at
6 # https://www.openssl.org/source/license.html
10 package TLSProxy::EncryptedExtensions;
13 push @ISA, 'TLSProxy::Message';
22 $message_frag_lens) = @_;
24 my $self = $class->SUPER::new(
26 TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS,
32 $self->{extension_data} = "";
41 my $extensions_len = unpack('n', $self->data);
42 if (!defined $extensions_len) {
47 if ($extensions_len != 0) {
48 $extension_data = substr($self->data, 2);
50 if (length($extension_data) != $extensions_len) {
51 die "Invalid extension length\n";
54 if (length($self->data) != 2) {
55 die "Invalid extension length\n";
60 while (length($extension_data) >= 4) {
61 my ($type, $size) = unpack("nn", $extension_data);
62 my $extdata = substr($extension_data, 4, $size);
63 $extension_data = substr($extension_data, 4 + $size);
64 $extensions{$type} = $extdata;
67 $self->extension_data(\%extensions);
69 print " Extensions Len:".$extensions_len."\n";
72 #Reconstruct the on-the-wire message data following changes
73 sub set_message_contents
79 foreach my $key (keys %{$self->extension_data}) {
80 my $extdata = ${$self->extension_data}{$key};
81 $extensions .= pack("n", $key);
82 $extensions .= pack("n", length($extdata));
83 $extensions .= $extdata;
84 if ($key == TLSProxy::Message::EXT_DUPLICATE_EXTENSION) {
85 $extensions .= pack("n", $key);
86 $extensions .= pack("n", length($extdata));
87 $extensions .= $extdata;
91 $data = pack('n', length($extensions));
101 $self->{extension_data} = shift;
103 return $self->{extension_data};
107 my ($self, $ext_type, $ext_data) = @_;
108 $self->{extension_data}{$ext_type} = $ext_data;
112 my ($self, $ext_type) = @_;
113 delete $self->{extension_data}{$ext_type};