perl/Thingy/Hello.pm

   1 #
   2 # Hello Thingy handling
   3 #
   4 # $Id$
   5 #
   6 # Copyright (c) 2005 Dirk Koopman G1TLH
   7 #
   8
   9 use strict;
  10
  11 package Thingy::Hello;
  12
  13 use vars qw($VERSION $BRANCH);
  14
  15 main::mkver($VERSION = q$Revision$);
  16
  17 use DXChannel;
  18 use DXDebug;
  19 use Verify;
  20 use Thingy;
  21
  22 use vars qw(@ISA $verify_on_login);
  23 @ISA = qw(Thingy);
  24
  25 $verify_on_login = 1;                   # make sure that a HELLO coming from
  26                                 # the dxchan call is authentic
  27
  28 sub gen_Aranea
  29 {
  30         my $thing = shift;
  31         unless ($thing->{Aranea}) {
  32                 my $s = sprintf "%X", int(rand() * 100000000);
  33                 my $auth = Verify->new("DXSp,$main::mycall,$s,$main::version,$main::build");
  34                 $thing->{Aranea} = Aranea::genmsg($thing, 'HELLO', sw=>'DXSp',
  35                                                                                   v=>$main::version,
  36                                                                                   b=>$main::build,
  37                                                                                   's'=>$s,
  38                                                                                   auth=>$auth->challenge($main::me->user->passphrase)
  39                                                                           );
  40         }
  41         return $thing->{Aranea};
  42 }
  43
  44 sub handle
  45 {
  46         my $thing = shift;
  47         my $dxchan = shift;
  48
  49         # verify authenticity
  50         if ($dxchan->{call} eq $thing->{origin}) {
  51
  52                 # for directly connected calls
  53                 if ($verify_on_login) {
  54                         my $pp = $dxchan->user->passphrase;
  55                         unless ($pp) {
  56                                 dbglog('err', "Thingy::Hello::handle: verify on and $thing->{origin} has no passphrase");
  57                                 $dxchan->disconnect;
  58                                 return;
  59                         }
  60                         my $auth = Verify->new("DXSp,$thing->{origin},$thing->{s},$thing->{v},$thing->{b}");
  61                         unless ($auth->verify($thing->{auth}, $dxchan->user->passphrase)) {
  62                                 dbglog('err', "Thingy::Hello::handle: verify on and $thing->{origin} failed auth check");
  63                                 $dxchan->disconnect;
  64                                 return;
  65                         }
  66                 }
  67                 if ($dxchan->{state} ne 'normal') {
  68                         $dxchan->start($dxchan->{conn}->{csort}, $dxchan->{conn}->{outbound} ? 'O' : 'A');
  69                         if ($dxchan->{outbound}) {
  70                                 my $thing = Thingy::Hello->new();
  71                                 $thing->send($dxchan);
  72                         }
  73                 }
  74         } else {
  75
  76                 # for otherwise connected calls, that come in relayed from other nodes
  77                 # note that we cannot do any connections at this point
  78                 my $nref = Route::Node::get($thing->{origin});
  79                 unless ($nref) {
  80                         my $v = $thing->{user} ? undef : $thing->{v};
  81                         $nref = Route::Node->new($thing->{origin}, $v, 1);
  82                 }
  83                 if (my $user = $thing->{user}) {
  84                         my $ur = Route::get($user);
  85                         unless ($ur) {
  86                                 my $uref = DXUser->get_current($user);
  87                                 if ($uref->is_node || $uref->is_aranea) {
  88                                         $nref->add($user, $thing->{v}, 1);
  89                                 } else {
  90                                         $nref->add_user($user, 1);
  91                                 }
  92                         }
  93                 }
  94         }
  95         RouteDB::update($thing->{origin}, $dxchan->{call}, $thing->{hopsaway});
  96         RouteDB::update($thing->{user}, $dxchan->{call}, $thing->{hopsaway}) if $thing->{user};
  97
  98         $thing->broadcast($dxchan);
  99 }
 100
 101 sub new
 102 {
 103         my $pkg = shift;
 104         my $thing = $pkg->SUPER::new(origin=>$main::mycall, @_);
 105         return $thing;
 106 }
 107 1;