Change DXUser->get* to DXUser::get*
[spider.git] / perl / ExtMsg.pm
index 6ea47a516b06f69d9a43f74681cb0b8423855a04..0ca2de83c6f5d367a67fbb4dc87d0267372b84f0 100644 (file)
@@ -5,10 +5,12 @@
 # This is where the cluster handles direct connections coming both in
 # and out
 #
-# $Id$
 #
 # Copyright (c) 2001 - Dirk Koopman G1TLH
 #
+#      Modified Jan 2006 by John Wiseman G8BPQ to support connections to BPQ32 node,
+#              and fix pattern matching on 'chat' abort handling
+#
 
 package ExtMsg;
 
@@ -19,12 +21,18 @@ use DXUtil;
 use DXDebug;
 use IO::File;
 use IO::Socket;
+use IPC::Open3;
 
 use vars qw(@ISA $deftimeout);
 
 @ISA = qw(Msg);
 $deftimeout = 60;
 
+sub login
+{
+       goto &main::login;        # save some writing, this was the default
+}
+
 sub enqueue
 {
        my ($conn, $msg) = @_;
@@ -49,56 +57,87 @@ sub send_raw
     my $sock = $conn->{sock};
     return unless defined($sock);
        push (@{$conn->{outqueue}}, $msg);
-       dbg('connect', $msg) unless $conn->{state} eq 'C';
+       dbg("connect $conn->{cnum}: $msg") if $conn->{state} ne 'C' && isdbg('connect');
     Msg::set_event_handler ($sock, "write" => sub {$conn->_send(0)});
 }
 
+sub echo
+{
+       my $conn = shift;
+       $conn->{echo} = shift;
+}
+
 sub dequeue
 {
        my $conn = shift;
        my $msg;
 
-       if ($conn->{sort} eq 'ax25' && exists $conn->{msg}) {
+       if ($conn->{csort} eq 'ax25' && exists $conn->{msg}) {
                $conn->{msg} =~ s/\cM/\cJ/g;
        }
        if ($conn->{state} eq 'WC') {
                if (exists $conn->{cmd}) {
                        if (@{$conn->{cmd}}) {
-                               dbg('connect', $conn->{msg});
+                               dbg("connect $conn->{cnum}: $conn->{msg}") if isdbg('connect');
                                $conn->_docmd($conn->{msg});
                        } 
                }
                if ($conn->{state} eq 'WC' && exists $conn->{cmd} && @{$conn->{cmd}} == 0) {
-                       $conn->to_connected($conn->{call}, 'O', 'telnet');
+                       $conn->to_connected($conn->{call}, 'O', $conn->{csort});
                }
        } elsif ($conn->{msg} =~ /\cJ/) {
                my @lines =  $conn->{msg} =~ /([^\cM\cJ]*)\cM?\cJ/g;
                if ($conn->{msg} =~ /\cJ$/) {
                        delete $conn->{msg};
                } else {
-                       $conn->{msg} = pop @lines;
+                       $conn->{msg} =~ s/([^\cM\cJ]*)\cM?\cJ//g;
                }
                while (defined ($msg = shift @lines)) {
-                       dbg('connect', $msg) unless $conn->{state} eq 'C';
+                       dbg("connect $conn->{cnum}: $msg") if $conn->{state} ne 'C' && isdbg('connect');
                
                        $msg =~ s/\xff\xfa.*\xff\xf0|\xff[\xf0-\xfe].//g; # remove telnet options
-                       $msg =~ s/[\x00-\x08\x0a-\x1f\x80-\x9f]/./g;         # immutable CSI sequence + control characters
+#                      $msg =~ s/[\x00-\x08\x0a-\x19\x1b-\x1f\x80-\x9f]/./g;         # immutable CSI sequence + control characters
                        
                        if ($conn->{state} eq 'C') {
                                &{$conn->{rproc}}($conn, "I$conn->{call}|$msg");
                        } elsif ($conn->{state} eq 'WL' ) {
                                $msg = uc $msg;
-                               if (is_callsign($msg)) {
-                                       $conn->to_connected($msg, 'A', 'telnet');
+                               if (is_callsign($msg) && $msg !~ m|/| ) {
+                                       my $sort = $conn->{csort};
+                                       $sort = 'local' if $conn->{peerhost} =~ /127\.\d+\.\d+\.\d+$/ || $conn->{peerhost} eq '::1';
+                                       my $uref;
+                                       if ($main::passwdreq || ($uref = DXUser::get_current($msg)) && $uref->passwd ) {
+                                               $conn->conns($msg);
+                                               $conn->{state} = 'WP';
+                                               $conn->{decho} = $conn->{echo};
+                                               $conn->{echo} = 0;
+                                               $conn->send_raw('password: ');
+                                       } else {
+                                               $conn->to_connected($msg, 'A', $sort);
+                                       }
                                } else {
                                        $conn->send_now("Sorry $msg is an invalid callsign");
                                        $conn->disconnect;
                                }
+                       } elsif ($conn->{state} eq 'WP' ) {
+                               my $uref = DXUser::get_current($conn->{call});
+                               $msg =~ s/[\r\n]+$//;
+                               if ($uref && $msg eq $uref->passwd) {
+                                       my $sort = $conn->{csort};
+                                       $conn->{echo} = $conn->{decho};
+                                       delete $conn->{decho};
+                                       $sort = 'local' if $conn->{peerhost} =~ /127\.\d+\.\d+\.\d+$/ || $conn->{peerhost} eq '::1';
+                                       $conn->{usedpasswd} = 1;
+                                       $conn->to_connected($conn->{call}, 'A', $sort);
+                               } else {
+                                       $conn->send_now("Sorry");
+                                       $conn->disconnect;
+                               }
                        } elsif ($conn->{state} eq 'WC') {
                                if (exists $conn->{cmd} && @{$conn->{cmd}}) {
                                        $conn->_docmd($msg);
                                        if ($conn->{state} eq 'WC' && exists $conn->{cmd} &&  @{$conn->{cmd}} == 0) {
-                                               $conn->to_connected($conn->{call}, 'O', 'telnet');
+                                               $conn->to_connected($conn->{call}, 'O', $conn->{csort});
                                        }
                                }
                        }
@@ -114,36 +153,54 @@ sub to_connected
        delete $conn->{cmd};
        $conn->{timeout}->del if $conn->{timeout};
        delete $conn->{timeout};
-       $conn->_send_file("$main::data/connected");
+       $conn->nolinger unless $conn->isa('AGWMsg') || $conn->isa('BPQMsg');
        &{$conn->{rproc}}($conn, "$dir$call|$sort");
+       $conn->_send_file("$main::data/connected") unless $conn->{outgoing};
 }
 
 sub new_client {
        my $server_conn = shift;
     my $sock = $server_conn->{sock}->accept();
-    my $conn = $server_conn->new($server_conn->{rproc});
-       $conn->{sock} = $sock;
-
-    my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost} = $sock->peerhost(), $conn->{peerport} = $sock->peerport());
-       if ($eproc) {
-               $conn->{eproc} = $eproc;
-        Msg::set_event_handler ($sock, "error" => $eproc);
+       if ($sock) {
+               my $conn = $server_conn->new($server_conn->{rproc});
+               $conn->{sock} = $sock;
+               $conn->nolinger;
+               Msg::blocking($sock, 0);
+               $conn->{blocking} = 0;
+               eval {$conn->{peerhost} = $sock->peerhost};
+               if ($@) {
+                       dbg($@) if isdbg('connll');
+                       $conn->disconnect;
+               } else {
+                       eval {$conn->{peerport} = $sock->peerport};
+                       $conn->{peerport} = 0 if $@;
+                       my ($rproc, $eproc) = &{$server_conn->{rproc}} ($conn, $conn->{peerhost}, $conn->{peerport});
+                       dbg("accept $conn->{cnum} from $conn->{peerhost} $conn->{peerport}") if isdbg('connll');
+                       if ($eproc) {
+                               $conn->{eproc} = $eproc;
+                               Msg::set_event_handler ($sock, "error" => $eproc);
+                       }
+                       if ($rproc) {
+                               $conn->{rproc} = $rproc;
+                               my $callback = sub {$conn->_rcv};
+                               Msg::set_event_handler ($sock, "read" => $callback);
+                               # send login prompt
+                               $conn->{state} = 'WL';
+                               #               $conn->send_raw("\xff\xfe\x01\xff\xfc\x01\ff\fd\x22");
+                               #               $conn->send_raw("\xff\xfa\x22\x01\x01\xff\xf0");
+                               #               $conn->send_raw("\xFF\xFC\x01");
+                               $conn->_send_file("$main::data/issue");
+                               $conn->send_raw("login: ");
+                               $conn->_dotimeout(60);
+                               $conn->{echo} = 1;
+                       } else { 
+                               &{$conn->{eproc}}() if $conn->{eproc};
+                               $conn->disconnect();
+                       }
+               }
+       } else {
+               dbg("ExtMsg: error on accept ($!)") if isdbg('err');
        }
-    if ($rproc) {
-        $conn->{rproc} = $rproc;
-        my $callback = sub {$conn->_rcv};
-               Msg::set_event_handler ($sock, "read" => $callback);
-               # send login prompt
-               $conn->{state} = 'WL';
-#              $conn->send_raw("\xff\xfe\x01\xff\xfc\x01\ff\fd\x22");
-#              $conn->send_raw("\xff\xfa\x22\x01\x01\xff\xf0");
-#              $conn->send_raw("\xFF\xFC\x01");
-               $conn->_send_file("$main::data/issue");
-               $conn->send_raw("login: ");
-               $conn->_dotimeout(60);
-    } else { 
-        $conn->disconnect();
-    }
 }
 
 sub start_connect
@@ -151,11 +208,13 @@ sub start_connect
        my $call = shift;
        my $fn = shift;
        my $conn = ExtMsg->new(\&main::new_channel); 
+       $conn->{outgoing} = 1;
        $conn->conns($call);
        
        my $f = new IO::File $fn;
        push @{$conn->{cmd}}, <$f>;
        $f->close;
+       $conn->{state} = 'WC';
        $conn->_dotimeout($deftimeout);
        $conn->_docmd;
 }
@@ -180,8 +239,8 @@ sub _docmd
                                last;
                        }  
                }
-               if ($cmd =~ /^\s*\'.*\'\s+\'.*\'/i) {
-                       $conn->_dochat($cmd, $msg);
+               if ($cmd =~ /^\s*\'([^\']*)\'\s+\'([^\']*)\'/) {
+                       $conn->_dochat($cmd, $msg, $1, $2);
                        last;
                }
                if ($cmd =~ /^\s*cl\w+\s+(.*)/i) {
@@ -198,46 +257,31 @@ sub _doconnect
        my $r;
 
        $sort = lc $sort;
-       dbg('connect', "CONNECT sort: $sort command: $line");
+       dbg("CONNECT $conn->{cnum} sort: $sort command: $line") if isdbg('connect');
        if ($sort eq 'telnet') {
                # this is a straight network connect
                my ($host, $port) = split /\s+/, $line;
                $port = 23 if !$port;
                $r = $conn->connect($host, $port);
                if ($r) {
-                       dbg('connect', "Connected to $host $port");
+                       dbg("Connected $conn->{cnum} to $host $port") if isdbg('connect');
                } else {
-                       dbg('connect', "***Connect Failed to $host $port $!");
+                       dbg("***Connect $conn->{cnum} Failed to $host $port $!") if isdbg('connect');
                }
+       } elsif ($sort eq 'agw') {
+               # turn it into an AGW object
+               bless $conn, 'AGWMsg';
+               $r = $conn->connect($line);
+       } elsif ($sort eq 'bpq') {
+               # turn it into an BPQ object
+               bless $conn, 'BPQMsg';
+               $r = $conn->connect($line);
        } elsif ($sort eq 'ax25' || $sort eq 'prog') {
-               my $pid = fork();
-               if (defined $pid) {
-                       if (!$pid) {
-                               # in child, unset warnings, disable debugging and general clean up from us
-                               $^W = 0;
-                               eval "{ package DB; sub DB {} }";
-                               DXChannel::closeall();
-                               for (@main::listeners) {
-                                       $_->close_server;
-                               }
-                               unless ($^O =~ /^MS/) {
-                                       $SIG{HUP} = 'IGNORE';
-                                       $SIG{CHLD} = $SIG{TERM} = $SIG{INT} = $SIG{__WARN__} = 'DEFAULT';
-                                       alarm(0);
-                               }
-                               exec "$line" or dbg('cron', "exec '$line' failed $!");
-                       }
-                       dbg('connect', "program $sort $line started");
-                       $conn->{pid} = $pid;
-                       $conn->{sort} = $sort;
-                       $conn->{lineend} = "\cM" if $sort eq 'ax25';
-               } else {
-                       dbg('connect', "can't $sort fork for $line $!");
-               }
+               $r = $conn->start_program($line, $sort);
        } else {
-               dbg('err', "invalid type of connection ($sort)");
-               $conn->disconnect;
+               dbg("invalid type of connection ($sort)");
        }
+       $conn->disconnect unless $r;
        return $r;
 }
 
@@ -245,7 +289,7 @@ sub _doabort
 {
        my $conn = shift;
        my $string = shift;
-       dbg('connect', "abort $string");
+       dbg("connect $conn->{cnum}: abort $string") if isdbg('connect');
        $conn->{abort} = $string;
 }
 
@@ -253,7 +297,7 @@ sub _dotimeout
 {
        my $conn = shift;
        my $val = shift;
-       dbg('connect', "timeout set to $val");
+       dbg("connect $conn->{cnum}: timeout set to $val") if isdbg('connect');
        $conn->{timeout}->del if $conn->{timeout};
        $conn->{timeval} = $val;
        $conn->{timeout} = Timer->new($val, sub{ &_timedout($conn) });
@@ -263,7 +307,7 @@ sub _dolineend
 {
        my $conn = shift;
        my $val = shift;
-       dbg('connect', "lineend set to $val ");
+       dbg("connect $conn->{cnum}: lineend set to $val ") if isdbg('connect');
        $val =~ s/\\r/\r/g;
        $val =~ s/\\n/\n/g;
        $conn->{lineend} = $val;
@@ -274,20 +318,23 @@ sub _dochat
        my $conn = shift;
        my $cmd = shift;
        my $line = shift;
+       my $expect = shift;
+       my $send = shift;
                
        if ($line) {
-               my ($expect, $send) = $cmd =~ /^\s*\'(.*)\'\s+\'(.*)\'/;
                if ($expect) {
-                       dbg('connect', "expecting: \"$expect\" received: \"$line\"");
+                       dbg("connect $conn->{cnum}: expecting: \"$expect\" received: \"$line\"") if isdbg('connect');
                        if ($conn->{abort} && $line =~ /$conn->{abort}/i) {
-                               dbg('connect', "aborted on /$conn->{abort}/");
+                               dbg("connect $conn->{cnum}: aborted on /$conn->{abort}/") if isdbg('connect');
                                $conn->disconnect;
                                delete $conn->{cmd};
                                return;
                        }
-                       if ($line =~ /$expect/i) {
-                               dbg('connect', "got: \"$expect\" sending: \"$send\"");
-                               $conn->send_later($send);
+                       if ($line =~ /\Q$expect/i) {
+                               if (length $send) {
+                                       dbg("connect $conn->{cnum}: got: \"$expect\" sending: \"$send\"") if isdbg('connect');
+                                       $conn->send_later("D$conn->{call}|$send");
+                               }
                                delete $conn->{msg}; # get rid any input if a match
                                return;
                        }
@@ -300,9 +347,7 @@ sub _dochat
 sub _timedout
 {
        my $conn = shift;
-       dbg('connect', "timed out after $conn->{timeval} seconds");
-       $conn->{timeout}->del;
-       delete $conn->{timeout};
+       dbg("connect $conn->{cnum}: timed out after $conn->{timeval} seconds") if isdbg('connect');
        $conn->disconnect;
 }
 
@@ -316,7 +361,7 @@ sub _doclient
        $conn->conns($call);
        $conn->{csort} = $f[1] if $f[1];
        $conn->{state} = 'C';
-       &{$conn->{rproc}}($conn, "O$call|telnet");
+       &{$conn->{rproc}}($conn, "O$call|$conn->{csort}");
        delete $conn->{cmd};
        $conn->{timeout}->del if $conn->{timeout};
 }
@@ -331,7 +376,9 @@ sub _send_file
                if ($f) {
                        while (<$f>) {
                                chomp;
-                               $conn->send_raw($_ . $conn->{lineend});
+                               my $l = $_;
+                               dbg("connect $conn->{cnum}: $l") if isdbg('connll');
+                               $conn->send_raw($l . $conn->{lineend});
                        }
                        $f->close;
                }