| line | stmt | bran | cond | sub | pod | time | code | 
| 1 |  |  |  |  |  |  | package Net::TacacsPlus::Packet::Header; | 
| 2 |  |  |  |  |  |  |  | 
| 3 |  |  |  |  |  |  | =head1 NAME | 
| 4 |  |  |  |  |  |  |  | 
| 5 |  |  |  |  |  |  | Net::TacacsPlus::Packet::Header - Tacacs+ packet header | 
| 6 |  |  |  |  |  |  |  | 
| 7 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 8 |  |  |  |  |  |  |  | 
| 9 |  |  |  |  |  |  | 3.  The TACACS+ packet header | 
| 10 |  |  |  |  |  |  |  | 
| 11 |  |  |  |  |  |  | All TACACS+ packets always begin with the following 12  byte  header. | 
| 12 |  |  |  |  |  |  | The  header  is  always  cleartext and describes the remainder of the | 
| 13 |  |  |  |  |  |  | packet: | 
| 14 |  |  |  |  |  |  |  | 
| 15 |  |  |  |  |  |  |  | 
| 16 |  |  |  |  |  |  | 1 2 3 4 5 6 7 8  1 2 3 4 5 6 7 8  1 2 3 4 5 6 7 8  1 2 3 4 5 6 7 8 | 
| 17 |  |  |  |  |  |  |  | 
| 18 |  |  |  |  |  |  | +----------------+----------------+----------------+----------------+ | 
| 19 |  |  |  |  |  |  | |major  | minor  |                |                |                | | 
| 20 |  |  |  |  |  |  | |version| version|      type      |     seq_no     |   flags        | | 
| 21 |  |  |  |  |  |  | +----------------+----------------+----------------+----------------+ | 
| 22 |  |  |  |  |  |  | |                                                                   | | 
| 23 |  |  |  |  |  |  | |                            session_id                             | | 
| 24 |  |  |  |  |  |  | +----------------+----------------+----------------+----------------+ | 
| 25 |  |  |  |  |  |  | |                                                                   | | 
| 26 |  |  |  |  |  |  | |                              length                               | | 
| 27 |  |  |  |  |  |  | +----------------+----------------+----------------+----------------+ | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | =cut | 
| 30 |  |  |  |  |  |  |  | 
| 31 |  |  |  |  |  |  | our $VERSION = '1.10'; | 
| 32 |  |  |  |  |  |  |  | 
| 33 | 10 |  |  | 10 |  | 55 | use strict; | 
|  | 10 |  |  |  |  | 20 |  | 
|  | 10 |  |  |  |  | 382 |  | 
| 34 | 10 |  |  | 10 |  | 54 | use warnings; | 
|  | 10 |  |  |  |  | 17 |  | 
|  | 10 |  |  |  |  | 308 |  | 
| 35 |  |  |  |  |  |  |  | 
| 36 | 10 |  |  | 10 |  | 189 | use 5.006; | 
|  | 10 |  |  |  |  | 34 |  | 
|  | 10 |  |  |  |  | 415 |  | 
| 37 | 10 |  |  | 10 |  | 52 | use Net::TacacsPlus::Constants 1.03; | 
|  | 10 |  |  |  |  | 161 |  | 
|  | 10 |  |  |  |  | 64 |  | 
| 38 | 10 |  |  | 10 |  | 15002 | use Carp::Clan; | 
|  | 10 |  |  |  |  | 64809 |  | 
|  | 10 |  |  |  |  | 88 |  | 
| 39 |  |  |  |  |  |  |  | 
| 40 | 10 |  |  | 10 |  | 1909 | use base qw{ Class::Accessor::Fast }; | 
|  | 10 |  |  |  |  | 24 |  | 
|  | 10 |  |  |  |  | 11587 |  | 
| 41 |  |  |  |  |  |  |  | 
| 42 |  |  |  |  |  |  | __PACKAGE__->mk_accessors(qw{ | 
| 43 |  |  |  |  |  |  | version | 
| 44 |  |  |  |  |  |  | type | 
| 45 |  |  |  |  |  |  | seq_no | 
| 46 |  |  |  |  |  |  | flags | 
| 47 |  |  |  |  |  |  | session_id | 
| 48 |  |  |  |  |  |  | length | 
| 49 |  |  |  |  |  |  | }); | 
| 50 |  |  |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | =head1 METHODS | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | =over 4 | 
| 54 |  |  |  |  |  |  |  | 
| 55 |  |  |  |  |  |  | =item new( somekey => somevalue) | 
| 56 |  |  |  |  |  |  |  | 
| 57 |  |  |  |  |  |  | Construct tacacs+ packet header object | 
| 58 |  |  |  |  |  |  |  | 
| 59 |  |  |  |  |  |  | 1. if constructing from parameters: | 
| 60 |  |  |  |  |  |  |  | 
| 61 |  |  |  |  |  |  | 'version': protocol version | 
| 62 |  |  |  |  |  |  | 'type': TAC_PLUS_(AUTHEN|AUTHOR|ACCT) | 
| 63 |  |  |  |  |  |  | 'seq_no': sequencenumber - default 1 | 
| 64 |  |  |  |  |  |  | 'flags': TAC_PLUS_(UNENCRYPTED_FLAG|SINGLE_CONNECT_FLAG) - default none | 
| 65 |  |  |  |  |  |  | 'session_id': session id | 
| 66 |  |  |  |  |  |  |  | 
| 67 |  |  |  |  |  |  | 2. if constructing from raw packet | 
| 68 |  |  |  |  |  |  |  | 
| 69 |  |  |  |  |  |  | 'raw_header': raw packet | 
| 70 |  |  |  |  |  |  |  | 
| 71 |  |  |  |  |  |  | =cut | 
| 72 |  |  |  |  |  |  |  | 
| 73 |  |  |  |  |  |  | sub new { | 
| 74 | 1 |  |  | 1 | 1 | 3 | my $class = shift; | 
| 75 | 1 |  |  |  |  | 6 | my %params = @_; | 
| 76 |  |  |  |  |  |  |  | 
| 77 |  |  |  |  |  |  | #let the class accessor contruct the object | 
| 78 | 1 |  |  |  |  | 9 | my $self = $class->SUPER::new(\%params); | 
| 79 |  |  |  |  |  |  |  | 
| 80 |  |  |  |  |  |  | #build header from binary data | 
| 81 | 1 | 50 |  |  |  | 22 | if ($params{'raw_header'}) { | 
| 82 | 0 |  |  |  |  | 0 | $self->decode($params{'raw_header'}); | 
| 83 | 0 |  |  |  |  | 0 | delete $self->{'raw_header'}; | 
| 84 | 0 |  |  |  |  | 0 | return $self; | 
| 85 |  |  |  |  |  |  | } | 
| 86 |  |  |  |  |  |  |  | 
| 87 |  |  |  |  |  |  | #parameters check and default values | 
| 88 | 1 | 50 |  |  |  | 6 | carp("session_id must be set!") if not defined $self->session_id; | 
| 89 | 1 | 50 |  |  |  | 22 | carp("version must be set!")    if not defined $self->version; | 
| 90 | 1 | 50 |  |  |  | 10 | carp("type must be set!")       if not defined $self->type; | 
| 91 | 1 | 50 |  |  |  | 11 | $self->seq_no(1) if not defined $self->seq_no(); | 
| 92 | 1 | 50 |  |  |  | 9 | $self->flags(0)  if not defined $self->flags(); | 
| 93 |  |  |  |  |  |  |  | 
| 94 | 1 |  |  |  |  | 14 | return $self; | 
| 95 |  |  |  |  |  |  | } | 
| 96 |  |  |  |  |  |  |  | 
| 97 |  |  |  |  |  |  | =item decode($raw_data) | 
| 98 |  |  |  |  |  |  |  | 
| 99 |  |  |  |  |  |  | Decode $raw_data to version, type, seq_no, flags, session_id, length | 
| 100 |  |  |  |  |  |  |  | 
| 101 |  |  |  |  |  |  | =cut | 
| 102 |  |  |  |  |  |  |  | 
| 103 |  |  |  |  |  |  | sub decode { | 
| 104 | 0 |  |  | 0 | 1 |  | my ($self, $raw_data) = @_; | 
| 105 |  |  |  |  |  |  |  | 
| 106 | 0 |  |  |  |  |  | ( $self->{'version'}, #i dont't use object calls ->xyz() to improve speed a little bit and he it is not really neccesary | 
| 107 |  |  |  |  |  |  | $self->{'type'}, | 
| 108 |  |  |  |  |  |  | $self->{'seq_no'}, | 
| 109 |  |  |  |  |  |  | $self->{'flags'}, | 
| 110 |  |  |  |  |  |  | $self->{'session_id'}, | 
| 111 |  |  |  |  |  |  | $self->{'length'} ) = unpack("CCCCNN", $raw_data); | 
| 112 |  |  |  |  |  |  |  | 
| 113 |  |  |  |  |  |  | } | 
| 114 |  |  |  |  |  |  |  | 
| 115 |  |  |  |  |  |  | =item raw() | 
| 116 |  |  |  |  |  |  |  | 
| 117 |  |  |  |  |  |  | returns raw binary representation of header. | 
| 118 |  |  |  |  |  |  |  | 
| 119 |  |  |  |  |  |  | B For complete binary header, length of body must be | 
| 120 |  |  |  |  |  |  | added. | 
| 121 |  |  |  |  |  |  |  | 
| 122 |  |  |  |  |  |  | =cut | 
| 123 |  |  |  |  |  |  |  | 
| 124 |  |  |  |  |  |  | sub raw { | 
| 125 | 0 |  |  | 0 | 1 |  | my $self = shift; | 
| 126 |  |  |  |  |  |  |  | 
| 127 | 0 |  |  |  |  |  | return pack("CCCCN", #i dont't use object calls ->xyz() to improve speed a little bit and he it is not really neccesary | 
| 128 |  |  |  |  |  |  | $self->{'version'}, | 
| 129 |  |  |  |  |  |  | $self->{'type'}, | 
| 130 |  |  |  |  |  |  | $self->{'seq_no'}, | 
| 131 |  |  |  |  |  |  | $self->{'flags'}, | 
| 132 |  |  |  |  |  |  | $self->{'session_id'}, | 
| 133 |  |  |  |  |  |  | ); | 
| 134 |  |  |  |  |  |  | } | 
| 135 |  |  |  |  |  |  |  | 
| 136 |  |  |  |  |  |  | =back | 
| 137 |  |  |  |  |  |  |  | 
| 138 |  |  |  |  |  |  | =cut | 
| 139 |  |  |  |  |  |  |  | 
| 140 |  |  |  |  |  |  | 1; |