line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package Protocol::TLS::RecordLayer; |
2
|
2
|
|
|
2
|
|
10
|
use strict; |
|
2
|
|
|
|
|
4
|
|
|
2
|
|
|
|
|
69
|
|
3
|
2
|
|
|
2
|
|
10
|
use warnings; |
|
2
|
|
|
|
|
2
|
|
|
2
|
|
|
|
|
57
|
|
4
|
2
|
|
|
2
|
|
14
|
use Protocol::TLS::Trace qw(tracer); |
|
2
|
|
|
|
|
3
|
|
|
2
|
|
|
|
|
218
|
|
5
|
2
|
|
|
2
|
|
845
|
use Protocol::TLS::Constants qw(is_tls_version :versions :c_types); |
|
2
|
|
|
|
|
5
|
|
|
2
|
|
|
|
|
551
|
|
6
|
2
|
|
|
2
|
|
1003
|
use Protocol::TLS::ChangeCipherSpec; |
|
2
|
|
|
|
|
5
|
|
|
2
|
|
|
|
|
62
|
|
7
|
2
|
|
|
2
|
|
1044
|
use Protocol::TLS::Handshake; |
|
2
|
|
|
|
|
6
|
|
|
2
|
|
|
|
|
69
|
|
8
|
2
|
|
|
2
|
|
945
|
use Protocol::TLS::Alert; |
|
2
|
|
|
|
|
4
|
|
|
2
|
|
|
|
|
64
|
|
9
|
2
|
|
|
2
|
|
807
|
use Protocol::TLS::Application; |
|
2
|
|
|
|
|
5
|
|
|
2
|
|
|
|
|
74
|
|
10
|
2
|
|
|
2
|
|
853
|
use Protocol::TLS::Compression; |
|
2
|
|
|
|
|
4
|
|
|
2
|
|
|
|
|
61
|
|
11
|
2
|
|
|
2
|
|
838
|
use Protocol::TLS::Protection; |
|
2
|
|
|
|
|
5
|
|
|
2
|
|
|
|
|
990
|
|
12
|
|
|
|
|
|
|
|
13
|
|
|
|
|
|
|
my %content_types = ( |
14
|
|
|
|
|
|
|
&CTYPE_CHANGE_CIPHER_SPEC => 'ChangeCipherSpec', |
15
|
|
|
|
|
|
|
&CTYPE_ALERT => 'Alert', |
16
|
|
|
|
|
|
|
&CTYPE_HANDSHAKE => 'Handshake', |
17
|
|
|
|
|
|
|
&CTYPE_APPLICATION_DATA => 'Application', |
18
|
|
|
|
|
|
|
); |
19
|
|
|
|
|
|
|
|
20
|
|
|
|
|
|
|
my %decoder = |
21
|
|
|
|
|
|
|
map { $_ => \&{ 'Protocol::TLS::' . $content_types{$_} . '::decode' } } |
22
|
|
|
|
|
|
|
keys %content_types; |
23
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
my %encoder = |
25
|
|
|
|
|
|
|
map { $_ => \&{ 'Protocol::TLS::' . $content_types{$_} . '::encode' } } |
26
|
|
|
|
|
|
|
keys %content_types; |
27
|
|
|
|
|
|
|
|
28
|
|
|
|
|
|
|
sub record_decode { |
29
|
35
|
|
|
35
|
0
|
47
|
my ( $ctx, $buf_ref, $buf_offset ) = @_; |
30
|
35
|
100
|
|
|
|
166
|
return 0 if length($$buf_ref) - $buf_offset < 5; |
31
|
20
|
|
|
|
|
108
|
my ( $type, $version, $length ) = unpack "x${buf_offset}Cn2", $$buf_ref; |
32
|
|
|
|
|
|
|
|
33
|
20
|
50
|
|
|
|
69
|
if ( !is_tls_version($version) ) { |
34
|
0
|
|
|
|
|
0
|
tracer->debug( |
35
|
|
|
|
|
|
|
sprintf "Unsupported TLS version: %i.%i\n", |
36
|
|
|
|
|
|
|
int( $version / 256 ), |
37
|
|
|
|
|
|
|
$version % 256 |
38
|
|
|
|
|
|
|
); |
39
|
|
|
|
|
|
|
|
40
|
|
|
|
|
|
|
# Unsupported TLS version |
41
|
0
|
|
|
|
|
0
|
$ctx->error(); |
42
|
0
|
|
|
|
|
0
|
return undef; |
43
|
|
|
|
|
|
|
} |
44
|
|
|
|
|
|
|
|
45
|
|
|
|
|
|
|
# Unknown content type |
46
|
20
|
50
|
|
|
|
62
|
if ( !exists $content_types{$type} ) { |
47
|
0
|
|
|
|
|
0
|
tracer->debug("Unknown content type: $type\n"); |
48
|
|
|
|
|
|
|
|
49
|
|
|
|
|
|
|
# Unknown content type |
50
|
0
|
|
|
|
|
0
|
$ctx->error(); |
51
|
0
|
|
|
|
|
0
|
return undef; |
52
|
|
|
|
|
|
|
} |
53
|
|
|
|
|
|
|
|
54
|
20
|
50
|
|
|
|
59
|
return 0 |
55
|
|
|
|
|
|
|
if length($$buf_ref) - $buf_offset - 5 - $length < 0; |
56
|
|
|
|
|
|
|
|
57
|
20
|
|
|
|
|
167
|
my $decrypted = Protocol::TLS::Protection::decode( $ctx, $type, $version, |
58
|
|
|
|
|
|
|
$buf_ref, $buf_offset + 5, $length ); |
59
|
|
|
|
|
|
|
|
60
|
20
|
50
|
|
|
|
56
|
return undef unless defined $decrypted; |
61
|
|
|
|
|
|
|
|
62
|
20
|
|
|
|
|
74
|
my $decompressed = Protocol::TLS::Compression::decode( $ctx, \$decrypted, 0, |
63
|
|
|
|
|
|
|
length $decrypted ); |
64
|
|
|
|
|
|
|
|
65
|
20
|
50
|
|
|
|
53
|
return undef unless defined $decompressed; |
66
|
|
|
|
|
|
|
|
67
|
|
|
|
|
|
|
return undef |
68
|
20
|
50
|
|
|
|
101
|
unless defined $decoder{$type} |
69
|
|
|
|
|
|
|
->( $ctx, \$decompressed, 0, length $decompressed ); |
70
|
|
|
|
|
|
|
|
71
|
20
|
|
|
|
|
83
|
return 5 + $length; |
72
|
|
|
|
|
|
|
} |
73
|
|
|
|
|
|
|
|
74
|
|
|
|
|
|
|
sub record_encode { |
75
|
20
|
|
|
20
|
0
|
46
|
my ( $ctx, $version, $type ) = splice @_, 0, 3; |
76
|
20
|
|
|
|
|
126
|
my $payload = Protocol::TLS::Protection::encode( |
77
|
|
|
|
|
|
|
$ctx, $version, $type, |
78
|
|
|
|
|
|
|
Protocol::TLS::Compression::encode( |
79
|
|
|
|
|
|
|
$ctx, $encoder{$type}->( $ctx, @_ ) |
80
|
|
|
|
|
|
|
) |
81
|
|
|
|
|
|
|
); |
82
|
20
|
|
|
|
|
102
|
pack( 'Cn2', $type, $version, length $payload ) . $payload; |
83
|
|
|
|
|
|
|
} |
84
|
|
|
|
|
|
|
|
85
|
|
|
|
|
|
|
1 |