perl/AMsg.pm

   1 #
   2 # This class implements the new style comms for Aranea
   3 # communications for Msg.pm
   4 #
   5 # $Id$
   6 #
   7 # Copyright (c) 2005 - Dirk Koopman G1TLH
   8 #
   9
  10 use strict;
  11
  12 package AMsg;
  13
  14 use Msg;
  15 use DXVars;
  16 use DXUtil;
  17 use DXDebug;
  18 use Aranea;
  19 use Verify;
  20 use DXLog;
  21 use Thingy;
  22 use Thingy::Hello;
  23
  24 use vars qw($VERSION $BRANCH);
  25 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
  26 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
  27 $main::build += $VERSION;
  28 $main::branch += $BRANCH;
  29
  30 use vars qw(@ISA $deftimeout);
  31
  32 @ISA = qw(ExtMsg Msg);
  33 $deftimeout = 60;
  34
  35 sub enqueue
  36 {
  37         my ($conn, $msg) = @_;
  38         push (@{$conn->{outqueue}}, $msg . $conn->{lineend});
  39 }
  40
  41 sub dequeue
  42 {
  43         my $conn = shift;
  44         my $msg;
  45
  46         if ($conn->{csort} eq 'ax25' && exists $conn->{msg}) {
  47                 $conn->{msg} =~ s/\cM/\cJ/g;
  48         }
  49         if ($conn->{state} eq 'WC' ) {
  50                 if (exists $conn->{cmd}) {
  51                         if (@{$conn->{cmd}}) {
  52                                 dbg("connect $conn->{cnum}: $conn->{msg}") if isdbg('connect');
  53                                 $conn->_docmd($conn->{msg});
  54                         }
  55                 }
  56                 if ($conn->{state} eq 'WC' && exists $conn->{cmd} && @{$conn->{cmd}} == 0) {
  57                         $conn->to_connected($conn->{call}, 'O', $conn->{csort});
  58                 }
  59         } elsif ($conn->{msg} =~ /\cJ/) {
  60                 my @lines =  $conn->{msg} =~ /([^\cM\cJ]*)\cM?\cJ/g;
  61                 if ($conn->{msg} =~ /\cJ$/) {
  62                         delete $conn->{msg};
  63                 } else {
  64                         $conn->{msg} =~ s/([^\cM\cJ]*)\cM?\cJ//g;
  65                 }
  66                 while (defined ($msg = shift @lines)) {
  67                         dbg("connect $conn->{cnum}: $msg") if $conn->{state} ne 'C' && isdbg('connect');
  68                         if ($conn->{state} eq 'C') {
  69                                 &{$conn->{rproc}}($conn, $msg);
  70                         } elsif ($conn->{state} eq 'WA' ) {
  71                                 my $uref = DXUser->get_current($conn->{call});
  72                                 $msg =~ s/[\r\n]+$//;
  73                                 if ($uref && $msg eq $uref->passwd) {
  74                                         my $sort = $conn->{csort};
  75                                         $sort = 'local' if $conn->{peerhost} eq "127.0.0.1";
  76                                         $conn->{usedpasswd} = 1;
  77                                         $conn->to_connected($conn->{call}, 'A', $sort);
  78                                 } else {
  79                                         $conn->send_now("Sorry");
  80                                         $conn->disconnect;
  81                                 }
  82                         } elsif ($conn->{state} eq 'WC') {
  83                                 if (exists $conn->{cmd} && @{$conn->{cmd}}) {
  84                                         $conn->_docmd($msg);
  85                                         if ($conn->{state} eq 'WC' && exists $conn->{cmd} &&  @{$conn->{cmd}} == 0) {
  86                                                 $conn->to_connected($conn->{call}, 'O', $conn->{csort});
  87                                         }
  88                                 }
  89                         }
  90                 }
  91         }
  92 }
  93
  94 sub to_connected
  95 {
  96         my ($conn, $call, $dir, $sort) = @_;
  97         $conn->{state} = 'C';
  98         $conn->conns($call);
  99         delete $conn->{cmd};
 100         $conn->{timeout}->del if $conn->{timeout};
 101         delete $conn->{timeout};
 102         $conn->nolinger;
 103         &{$conn->{rproc}}($conn, "$dir$call|$sort");
 104 }
 105
 106 sub login
 107 {
 108         return \&new_channel;
 109 }
 110
 111 sub new_client {
 112         my $server_conn = shift;
 113     my $sock = $server_conn->{sock}->accept();
 114         if ($sock) {
 115                 my $conn = $server_conn->new($server_conn->{rproc});
 116                 $conn->{sock} = $sock;
 117                 $conn->nolinger;
 118                 Msg::blocking($sock, 0);
 119                 $conn->{blocking} = 0;
 120                 eval {$conn->{peerhost} = $sock->peerhost};
 121                 if ($@) {
 122                         dbg($@) if isdbg('connll');
 123                         $conn->disconnect;
 124                 } else {
 125                         eval {$conn->{peerport} = $sock->peerport};
 126                         $conn->{peerport} = 0 if $@;
 127                         my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost}, $conn->{peerport});
 128                         dbg("accept $conn->{cnum} from $conn->{peerhost} $conn->{peerport}") if isdbg('connll');
 129                         if ($eproc) {
 130                                 $conn->{eproc} = $eproc;
 131                                 Msg::set_event_handler ($sock, "error" => $eproc);
 132                         }
 133                         if ($rproc) {
 134                                 $conn->{rproc} = $rproc;
 135                                 my $callback = sub {$conn->_rcv};
 136                                 Msg::set_event_handler ($sock, "read" => $callback);
 137                                 $conn->_dotimeout(60);
 138                                 $conn->{echo} = 0;
 139                         } else {
 140                                 &{$conn->{eproc}}() if $conn->{eproc};
 141                                 $conn->disconnect();
 142                         }
 143                         Log('Aranea', "Incoming connection from $conn->{peerhost}");
 144                         $conn->{outgoing} = 0;
 145                         $conn->{state} = 'WH';          # wait for return authorize
 146                         my $thing = $conn->{lastthing} = Thingy::Hello->new(origin=>$main::mycall, group=>'ROUTE');
 147                         $thing->send($conn, 'Aranea');
 148                 }
 149         } else {
 150                 dbg("ExtMsg: error on accept ($!)") if isdbg('err');
 151         }
 152 }
 153
 154 sub start_connect
 155 {
 156         my $call = shift;
 157         my $fn = shift;
 158         my $conn = AMsg->new(\&new_channel);
 159         $conn->{outgoing} = 1;
 160         $conn->conns($call);
 161
 162         my $f = new IO::File $fn;
 163         push @{$conn->{cmd}}, <$f>;
 164         $f->close;
 165         $conn->{state} = 'WC';
 166         $conn->_dotimeout($deftimeout);
 167         $conn->_docmd;
 168 }
 169
 170 #
 171 # happens next on receive
 172 #
 173
 174 sub new_channel
 175 {
 176         my ($conn, $msg) = @_;
 177         my $thing = Aranea::input($msg);
 178         return unless defined $thing;
 179
 180         my $call = $thing->{origin};
 181         unless (is_callsign($call)) {
 182                 main::already_conn($conn, $call, DXM::msg($main::lang, "illcall", $call));
 183                 return;
 184         }
 185
 186         # set up the basic channel info
 187         # is there one already connected to me - locally?
 188         my $user = DXUser->get_current($call);
 189         my $dxchan = DXChannel::get($call);
 190         if ($dxchan) {
 191                 if ($main::bumpexisting) {
 192                         my $ip = $conn->{peerhost} || 'unknown';
 193                         $dxchan->send_now('D', DXM::msg($main::lang, 'conbump', $call, $ip));
 194                         Log('DXCommand', "$call bumped off by $ip, disconnected");
 195                         dbg("$call bumped off by $ip, disconnected");
 196                         $dxchan->disconnect;
 197                 } else {
 198                         main::already_conn($conn, $call, DXM::msg($main::lang, 'conother', $call, $main::mycall));
 199                         return;
 200                 }
 201         }
 202
 203         # is he locked out ?
 204         my $basecall = $call;
 205         $basecall =~ s/-\d+$//;
 206         my $baseuser = DXUser->get_current($basecall);
 207         my $lock = $user->lockout if $user;
 208         if ($baseuser && $baseuser->lockout || $lock) {
 209                 if (!$user || !defined $lock || $lock) {
 210                         my $host = $conn->{peerhost} || "unknown";
 211                         Log('DXCommand', "$call on $host is locked out, disconnected");
 212                         $conn->disconnect;
 213                         return;
 214                 }
 215         }
 216
 217         if ($user) {
 218                 $user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems
 219         } else {
 220                 $user = DXUser->new($call);
 221         }
 222
 223         # create the channel
 224         $dxchan = Aranea->new($call, $conn, $user);
 225
 226         # check that the conn has a callsign
 227         $conn->conns($call) if $conn->isa('IntMsg');
 228
 229         # set callbacks
 230         $conn->set_error(sub {main::error_handler($dxchan)});
 231         $conn->set_rproc(sub {my ($conn,$msg) = @_; $dxchan->rec($msg)});
 232         $dxchan->rec($msg);
 233 }
 234
 235 sub send
 236 {
 237         my $conn = shift;
 238         for (@_) {
 239                 $conn->send_later($_);
 240         }
 241 }