/usr/share/perl5/Net/Frame/Layer/RAW.pm is in libnet-frame-perl 1.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #
# $Id: RAW.pm 360 2015-01-20 18:36:06Z gomor $
#
package Net::Frame::Layer::RAW;
use strict;
use warnings;
use Net::Frame::Layer qw(:consts);
require Exporter;
our @ISA = qw(Net::Frame::Layer Exporter);
__PACKAGE__->cgBuildIndices;
our %EXPORT_TAGS = (
consts => [],
);
our @EXPORT_OK = (
@{$EXPORT_TAGS{consts}},
);
no strict 'vars';
sub pack {
my $self = shift;
$self->[$__raw] = '';
$self->[$__raw];
}
sub unpack {
my $self = shift;
$self->[$__payload] = $self->[$__raw];
$self;
}
sub encapsulate {
my $self = shift;
return $self->[$__nextLayer] if $self->[$__nextLayer];
return NF_LAYER_NONE if ! $self->[$__payload];
# With RAW layer, we must guess which type is the first layer
my $payload = CORE::unpack('H*', $self->[$__payload]);
# XXX: may not work on big-endian arch
if ($payload =~ /^4/) {
return 'IPv4';
}
elsif ($payload =~ /^6/) {
return 'IPv6';
}
elsif ($payload =~ /^0001....06/) {
return 'ARP';
}
return NF_LAYER_UNKNOWN;
}
sub print {
my $self = shift;
my $l = $self->layer;
"$l: empty";
}
1;
__END__
=head1 NAME
Net::Frame::Layer::RAW - empty layer object
=head1 SYNOPSIS
use Net::Frame::Layer::RAW qw(:consts);
# Build a layer
my $layer = Net::Frame::Layer::RAW->new;
$layer->pack;
print 'RAW: '.$layer->dump."\n";
# Read a raw layer
my $layer = Net::Frame::Layer::RAW->new(raw => $raw);
print $layer->print."\n";
print 'PAYLOAD: '.unpack('H*', $layer->payload)."\n"
if $layer->payload;
=head1 DESCRIPTION
This modules implements the encoding and decoding of the raw layer 2.
See also B<Net::Frame::Layer> for other attributes and methods.
=head1 ATTRIBUTES
No attributes in this layer.
The following are inherited attributes. See B<Net::Frame::Layer> for more information.
=over 4
=item B<raw>
=item B<payload>
=item B<nextLayer>
=back
=head1 METHODS
=over 4
=item B<new>
Object constructor. No default values, because no attributes here.
=back
The following are inherited methods. Some of them may be overridden in this layer, and some others may not be meaningful in this layer. See B<Net::Frame::Layer> for more information.
=over 4
=item B<layer>
=item B<computeLengths>
=item B<computeChecksums>
=item B<pack>
=item B<unpack>
=item B<encapsulate>
=item B<getLength>
=item B<getPayloadLength>
=item B<print>
=item B<dump>
=back
=head1 CONSTANTS
No constants here.
=head1 SEE ALSO
L<Net::Frame::Layer>
=head1 AUTHOR
Patrice E<lt>GomoRE<gt> Auffret
=head1 COPYRIGHT AND LICENSE
Copyright (c) 2006-2015, Patrice E<lt>GomoRE<gt> Auffret
You may distribute this module under the terms of the Artistic license.
See LICENSE.Artistic file in the source distribution archive.
=cut
|