X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2Fcluster.pl;h=143713babc1e0346bada54066d1bb5617dae601b;hb=f63d598af3f797b56b8d5e23ec4ff5254192eee9;hp=a2664b7730f3f64676fcce922d3461b66fddc0e5;hpb=78b908b46192179ea1fe23530741ebad18ffe853;p=spider.git

diff --git a/perl/cluster.pl b/perl/cluster.pl
index a2664b77..143713ba 100755
--- a/perl/cluster.pl
+++ b/perl/cluster.pl
@@ -7,19 +7,30 @@
 #
 # Copyright (c) 1998 Dirk Koopman G1TLH
 #
-# $Id$
-# 
+#
+#
 
 require 5.004;
 
+package main;
+
+# set default paths, these should be overwritten by DXVars.pm
+use vars qw($data $system $cmd $localcmd $userfn $clusteraddr $clusterport $yes $no $user_interval $lang);
+
+$lang = 'en';                   # default language
+$yes = 'Yes';                   # visual representation of yes
+$no = 'No';                     # ditto for no
+$user_interval = 11*60;         # the interval between unsolicited prompts if no traffic
+
+
 # make sure that modules are searched in the order local then perl
 BEGIN {
 	umask 002;
-	
+
 	# root of directory tree for this system
-	$root = "/spider"; 
+	$root = "/spider";
 	$root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'};
-	
+
 	unshift @INC, "$root/perl";	# this IS the right way round!
 	unshift @INC, "$root/local";
 
@@ -27,18 +38,26 @@ BEGIN {
 	die "The directory $root doesn't exist, please RTFM" unless -d $root;
 	die "$root/local doesn't exist, please RTFM" unless -d "$root/local";
 	die "$root/local/DXVars.pm doesn't exist, please RTFM" unless -e "$root/local/DXVars.pm";
-	
+
 	mkdir "$root/local_cmd", 0777 unless -d "$root/local_cmd";
-	
 
-	# try to create and lock a lockfile (this isn't atomic but 
+	$data = "$root/data";
+	$system = "$root/sys";
+	$cmd = "$root/cmd";
+	$localcmd = "$root/local_cmd";
+	$userfn = "$data/users";
+
+	# try to create and lock a lockfile (this isn't atomic but
 	# should do for now
 	$lockfn = "$root/local/cluster.lck";       # lock file name
-	if (-e $lockfn) {
+	if (-w $lockfn) {
 		open(CLLOCK, "$lockfn") or die "Can't open Lockfile ($lockfn) $!";
 		my $pid = <CLLOCK>;
-		chomp $pid;
-		die "Lockfile ($lockfn) and process $pid exist, another cluster running?" if kill 0, $pid;
+		if ($pid) {
+			chomp $pid;
+			die "Lockfile ($lockfn) and process $pid exist, another cluster running?" if kill 0, $pid;
+		}
+		unlink $lockfn;
 		close CLLOCK;
 	}
 	open(CLLOCK, ">$lockfn") or die "Can't open Lockfile ($lockfn) $!";
@@ -68,7 +87,6 @@ use DXCommandmode;
 use DXProtVars;
 use DXProtout;
 use DXProt;
-use QXProt;
 use DXMsg;
 use DXCron;
 use DXConnect;
@@ -99,13 +117,15 @@ use Mrtg;
 use USDB;
 use UDPMsg;
 use QSL;
-use Thingy;
-use RouteDB;
-use AMsg;
+use DXXml;
+use DXSql;
+use IsoTime;
+use BPQMsg;
+use DXCIDR;
 
 use Data::Dumper;
 use IO::File;
-use Fcntl ':flock'; 
+use Fcntl ':flock';
 use POSIX ":sys_wait_h";
 
 use Local;
@@ -113,34 +133,38 @@ use Local;
 package main;
 
 use strict;
-use vars qw(@inqueue $systime $version $starttime $lockfn @outstanding_connects 
-			$zombies $root @listeners $lang $myalias @debug $userfn $clusteraddr 
-			$clusterport $mycall $decease $is_win $routeroot $me $reqreg
+use vars qw(@inqueue $systime $starttime $lockfn @outstanding_connects
+			$zombies $root @listeners $lang $myalias @debug $userfn
+			$mycall $decease $is_win $routeroot $me $reqreg $bumpexisting
+			$allowdxby $dbh $dsn $dbuser $dbpass $do_xml $systime_days $systime_daystart
+			$can_encode $maxconnect_user $maxconnect_node
 		   );
 
+
+$clusteraddr //= '127.0.0.1';     # cluster tcp host address - used for things like console.pl
+$clusterport //= 27754;           # cluster tcp port
 @inqueue = ();					# the main input queue, an array of hashes
 $systime = 0;					# the time now (in seconds)
-$version = "1.51";				# the version no of the software
-$starttime = 0;                 # the starting time of the cluster   
-#@outstanding_connects = ();     # list of outstanding connects
+$starttime = 0;                 # the starting time of the cluster
+@outstanding_connects = ();     # list of outstanding connects
 @listeners = ();				# list of listeners
 $reqreg = 0;					# 1 = registration required, 2 = deregister people
+$bumpexisting = 1;				# 1 = allow new connection to disconnect old, 0 - don't allow it
+$allowdxby = 0;					# 1 = allow "dx by <othercall>", 0 - don't allow it
+$maxconnect_user = 3;			# the maximum no of concurrent connections a user can have at a time
+$maxconnect_node = 0;			# Ditto but for nodes. In either case if a new incoming connection
+								# takes the no of references in the routing table above these numbers
+								# then the connection is refused. This only affects INCOMING connections.
 
-use vars qw($VERSION $BRANCH $build $branch);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
-$main::build += 1;				# add an offset to make it bigger than last system
-$main::build += $VERSION;
-$main::branch += $BRANCH;
+use vars qw($version $subversion $build $gitversion $gitbranch);
 
-      
 # send a message to call on conn and disconnect
 sub already_conn
 {
 	my ($conn, $call, $mess) = @_;
 
 	$conn->disable_read(1);
-	dbg("-> D $call $mess\n") if isdbg('chan'); 
+	dbg("-> D $call $mess\n") if isdbg('chan');
 	$conn->send_now("D$call|$mess");
 	sleep(2);
 	$conn->disconnect;
@@ -166,42 +190,68 @@ sub new_channel
 	}
 
 	# set up the basic channel info
-	# is there one already connected to me - locally? 
-	my $user = DXUser->get_current($call);
-	my $dxchan = DXChannel->get($call);
+	# is there one already connected to me - locally?
+	my $user = DXUser::get_current($call);
+	my $dxchan = DXChannel::get($call);
 	if ($dxchan) {
-		my $mess = DXM::msg($lang, ($user && $user->is_node) ? 'concluster' : 'conother', $call, $main::mycall);
-		already_conn($conn, $call, $mess);
-		return;
+		if ($user && $user->is_node) {
+			already_conn($conn, $call, DXM::msg($lang, 'concluster', $call, $main::mycall));
+			return;
+		}
+		if ($bumpexisting) {
+			my $ip = $conn->peerhost || 'unknown';
+			$dxchan->send_now('D', DXM::msg($lang, 'conbump', $call, $ip));
+			LogDbg('DXCommand', "$call bumped off by $ip, disconnected");
+			$dxchan->disconnect;
+		} else {
+			already_conn($conn, $call, DXM::msg($lang, 'conother', $call, $main::mycall));
+			return;
+		}
+	}
+
+	# (fairly) politely disconnect people that are connected to too many other places at once
+	my $r = Route::get($call);
+	if ($conn->{sort} && $conn->{sort} =~ /^I/ && $r && $user) {
+		my @n = $r->parents;
+		my $m = $r->isa('Route::Node') ? $maxconnect_node : $maxconnect_user;
+		my $c = $user->maxconnect;
+		my $v;
+		$v = defined $c ? $c : $m;
+		if ($v && @n >= $v) {
+			my $nodes = join ',', @n;
+			LogDbg('DXCommand', "$call has too many connections ($v) at $nodes - disconnected");
+			already_conn($conn, $call, DXM::msg($lang, 'contomany', $call, $v, $nodes));
+			return;
+		}
 	}
 
 	# is he locked out ?
 	my $basecall = $call;
 	$basecall =~ s/-\d+$//;
-	my $baseuser = DXUser->get_current($basecall);
+	my $baseuser = DXUser::get_current($basecall);
 	my $lock = $user->lockout if $user;
 	if ($baseuser && $baseuser->lockout || $lock) {
 		if (!$user || !defined $lock || $lock) {
-			my $host = $conn->{peerhost} || "unknown";
-			Log('DXCommand', "$call on $host is locked out, disconnected");
+			my $host = $conn->peerhost || "unknown";
+			LogDbg('DXCommand', "$call on $host is locked out, disconnected");
 			$conn->disconnect;
 			return;
 		}
 	}
-	
+
 	if ($user) {
 		$user->{lang} = $main::lang if !$user->{lang}; # to autoupdate old systems
 	} else {
 		$user = DXUser->new($call);
 	}
-	
+
 	# create the channel
 	if ($user->is_node) {
 		$dxchan = DXProt->new($call, $conn, $user);
 	} elsif ($user->is_user) {
 		$dxchan = DXCommandmode->new($call, $conn, $user);
-	} elsif ($user->is_bbs) {
-		$dxchan = BBS->new($call, $conn, $user);
+#	} elsif ($user->is_bbs) {                                  # there is no support so
+#		$dxchan = BBS->new($call, $conn, $user);               # don't allow it!!!
 	} else {
 		die "Invalid sort of user on $call = $sort";
 	}
@@ -211,29 +261,10 @@ sub new_channel
 
 	# set callbacks
 	$conn->set_error(sub {error_handler($dxchan)});
-	$conn->set_rproc(sub {my ($conn,$msg) = @_; rec($dxchan, $conn, $msg);});
-	rec($dxchan, $conn, $msg);
+	$conn->set_rproc(sub {my ($conn,$msg) = @_; $dxchan->rec($msg);});
+	$dxchan->rec($msg);
 }
 
-sub rec	
-{
-	my ($dxchan, $conn, $msg) = @_;
-	
-	# queue the message and the channel object for later processing
-	if (defined $msg) {
-		my $self = bless {}, "inqueue";
-		$self->{dxchan} = $dxchan;
-		$self->{data} = $msg;
-		push @inqueue, $self;
-	}
-}
-
-# remove any outstanding entries on the inqueue after a disconnection (usually)
-sub clean_inqueue
-{
-	my $dxchan = shift;
-	@inqueue = grep {$_->{dxchan} != $dxchan} @inqueue;
-}
 
 sub login
 {
@@ -249,27 +280,30 @@ sub cease
 		$SIG{'TERM'} = 'IGNORE';
 		$SIG{'INT'} = 'IGNORE';
 	}
-	
+
 	DXUser::sync;
 
-	eval {
-		Local::finish();   # end local processing
-	};
-	dbg("Local::finish error $@") if $@;
+	if (defined &Local::finish) {
+		eval {
+			Local::finish();   # end local processing
+		};
+		dbg("Local::finish error $@") if $@;
+	}
 
 	# disconnect nodes
-	foreach $dxchan (DXChannel->get_all_nodes) {
+	foreach $dxchan (DXChannel::get_all_nodes) {
 	    $dxchan->disconnect(2) unless $dxchan == $main::me;
 	}
 	Msg->event_loop(100, 0.01);
 
 	# disconnect users
-	foreach $dxchan (DXChannel->get_all_users) {
+	foreach $dxchan (DXChannel::get_all_users) {
 		$dxchan->disconnect;
 	}
 
 	# disconnect AGW
 	AGWMsg::finish();
+	BPQMsg::finish();
 
 	# disconnect UDP customers
 	UDPMsg::finish();
@@ -287,10 +321,12 @@ sub cease
 		$l->close_server;
 	}
 
-	dbg("DXSpider version $version, build $build ended") if isdbg('chan');
-	Log('cluster', "DXSpider V$version, build $build ended");
+	LogDbg('cluster', "DXSpider v$version build $build (git: $gitbranch/$gitversion) using perl $^V on $^O ended");
 	dbgclose();
 	Logclose();
+
+	$dbh->finish if $dbh;
+
 	unlink $lockfn;
 #	$SIG{__WARN__} = $SIG{__DIE__} =  sub {my $a = shift; cluck($a); };
 	exit(0);
@@ -310,45 +346,6 @@ sub reap
 
 # this is where the input queue is dealt with and things are dispatched off to other parts of
 # the cluster
-sub process_inqueue
-{
-	while (@inqueue) {
-		my $self = shift @inqueue;
-		return if !$self;
-
-		my $data = $self->{data};
-		my $dxchan = $self->{dxchan};
-		my $error;
-		my ($sort, $call, $line) = DXChannel::decode_input($dxchan, $data);
-		return unless defined $sort;
-	
-		# do the really sexy console interface bit! (Who is going to do the TK interface then?)
-		dbg("<- $sort $call $line") if $sort ne 'D' && isdbg('chan');
-		if ($self->{disconnecting}) {
-			dbg('In disconnection, ignored');
-			next;
-		}
-		
-		# handle A records
-		my $user = $dxchan->user;
-		if ($sort eq 'A' || $sort eq 'O') {
-			$dxchan->start($line, $sort);  
-		} elsif ($sort eq 'I') {
-			die "\$user not defined for $call" if !defined $user;
-
-			# normal input
-			$dxchan->normal($line);
-		} elsif ($sort eq 'Z') {
-			$dxchan->disconnect;
-		} elsif ($sort eq 'D') {
-			;					# ignored (an echo)
-		} elsif ($sort eq 'G') {
-			$dxchan->enhanced($line);
-		} else {
-			print STDERR atime, " Unknown command letter ($sort) received from $call\n";
-		}
-	}
-}
 
 sub uptime
 {
@@ -368,13 +365,21 @@ sub AGWrestart
 
 #############################################################
 #
-# The start of the main line of code 
+# The start of the main line of code
 #
 #############################################################
 
+chdir $root;
+
 $starttime = $systime = time;
+$systime_days = int ($systime / 86400);
+$systime_daystart = $systime_days * 86400;
 $lang = 'en' unless $lang;
 
+unless ($DB::VERSION) {
+	$SIG{INT} = $SIG{TERM} = \&cease;
+}
+
 # open the debug file, set various FHs to be unbuffered
 dbginit(\&DXCommandmode::broadcast_debug);
 foreach (@debug) {
@@ -382,15 +387,62 @@ foreach (@debug) {
 }
 STDOUT->autoflush(1);
 
-# calculate build number
-$build += $main::version;
-$build = "$build.$branch" if $branch;
+# try to load the database
+if (DXSql::init($dsn)) {
+	$dbh = DXSql->new($dsn);
+	$dbh = $dbh->connect($dsn, $dbuser, $dbpass) if $dbh;
+}
+
+# try to load Encode and Git
+{
+	local $^W = 0;
+	my $w = $SIG{__DIE__};
+	$SIG{__DIE__} = 'IGNORE';
+	eval { require Encode; };
+	unless ($@) {
+		import Encode;
+		$can_encode = 1;
+	}
+	
+	$gitbranch = 'none';
+	$gitversion = 'none';
+
+	# determine the real Git build number and branch
+	my $desc;
+	eval {$desc = `git --git-dir=$root/.git describe --long`};
+	if (!$@ && $desc) {
+		my ($v, $s, $b, $g) = $desc =~ /^([\d\.]+)(?:\.(\d+))?-(\d+)-g([0-9a-f]+)/;
+		$version = $v;
+		$subversion = $s || 0;
+		$build = $b || 0;
+		$gitversion = "$g\[r]";
+	}
+    if (!$@) {
+		my @branch;
+		
+		eval {@branch = `git --git-dir=$root/.git branch`};
+		unless ($@) {
+			for (@branch) {
+				my ($star, $b) = split /\s+/;
+				if ($star eq '*') {
+					$gitbranch = $b;
+					last;
+				}
+			}
+		}
+	}
+
+	$SIG{__DIE__} = $w;
+}
 
-Log('cluster', "DXSpider V$version, build $build started");
+# try to load XML::Simple
+DXXml::init();
 
 # banner
-dbg("Copyright (c) 1998-2002 Dirk Koopman G1TLH");
-dbg("DXSpider Version $version, build $build started");
+my ($year) = (gmtime)[5];
+$year += 1900;
+LogDbg('cluster', "DXSpider v$version build $build (git: $gitbranch/$gitversion) using perl $^V on $^O started");
+dbg("Copyright (c) 1998-$year Dirk Koopman G1TLH");
 
 # load Prefixes
 dbg("loading prefixes ...");
@@ -403,17 +455,32 @@ dbg("loading band data ...");
 Bands::load();
 
 # initialise User file system
-dbg("loading user file system ..."); 
+dbg("loading user file system ...");
 DXUser->init($userfn, 1);
 
+
 # look for the sysop and the alias user and complain if they aren't there
 {
-	my $ref = DXUser->get($mycall);
+	die "\$myalias \& \$mycall are the same ($mycall)!, they must be different (hint: make \$mycall = '${mycall}-2';). Oh and don't forget to rerun create_sysop.pl!" if $mycall eq $myalias;
+	my $ref = DXUser::get($mycall);
 	die "$mycall missing, run the create_sysop.pl script and please RTFM" unless $ref && $ref->priv == 9;
-	$ref = DXUser->get($myalias);
+	my $oldsort = $ref->sort;
+	if ($oldsort ne 'S') {
+		$ref->sort('S');
+		dbg "Resetting node type from $oldsort -> DXSpider ('S')";
+	}
+	$ref = DXUser::get($myalias);
 	die "$myalias missing, run the create_sysop.pl script and please RTFM" unless $ref && $ref->priv == 9;
+	$oldsort = $ref->sort;
+	if ($oldsort ne 'U') {
+		$ref->sort('U');
+		dbg "Resetting sysop user type from $oldsort -> User ('U')";
+	}
 }
 
+# get any bad IPs 
+DXCIDR::init();
+
 # start listening for incoming messages/connects
 dbg("starting listeners ...");
 my $conn = IntMsg->new_server($clusteraddr, $clusterport, \&login);
@@ -423,15 +490,20 @@ dbg("Internal port: $clusteraddr $clusterport using IntMsg");
 foreach my $l (@main::listen) {
 	no strict 'refs';
 	my $pkg = $l->[2] || 'ExtMsg';
-	$conn = $pkg->new_server($l->[0], $l->[1], \&login);
-	$conn->conns("Server $l->[0]/$l->[1] using $pkg");
+	my $login = $l->[3] || 'login';
+
+	$conn = $pkg->new_server($l->[0], $l->[1], \&{"${pkg}::${login}"});
+	$conn->conns("Server $l->[0]/$l->[1] using ${pkg}::${login}");
 	push @listeners, $conn;
-	dbg("External Port: $l->[0] $l->[1] using $pkg");
+	dbg("External Port: $l->[0] $l->[1] using ${pkg}::${login}");
 }
 
 dbg("AGW Listener") if $AGWMsg::enable;
 AGWrestart();
 
+dbg("BPQ Listener") if $BPQMsg::enable;
+BPQMsg::init(\&new_channel);
+
 dbg("UDP Listener") if $UDPMsg::enable;
 UDPMsg::init(\&new_channel);
 
@@ -446,7 +518,7 @@ unless ($DB::VERSION) {
 unless ($is_win) {
 	$SIG{HUP} = 'IGNORE';
 	$SIG{CHLD} = sub { $zombies++ };
-	
+
 	$SIG{PIPE} = sub { 	dbg("Broken PIPE signal received"); };
 	$SIG{IO} = sub { 	dbg("SIGIO received"); };
 	$SIG{WINCH} = $SIG{STOP} = $SIG{CONT} = 'IGNORE';
@@ -456,7 +528,7 @@ unless ($is_win) {
 	for (keys %SIG) {
 		if (!$SIG{$_}) {
 			#		dbg("Catching SIG $_") if isdbg('chan');
-			$SIG{$_} = sub { my $sig = shift;	DXDebug::confess("Caught signal $sig");  }; 
+			$SIG{$_} = sub { my $sig = shift;	DXDebug::confess("Caught signal $sig");  };
 		}
 	}
 }
@@ -486,10 +558,11 @@ Spot->init();
 # initialise the protocol engine
 dbg("Start Protocol Engines ...");
 DXProt->init();
-QXProt->init();
 
 # put in a DXCluster node for us here so we can add users and take them away
 $routeroot = Route::Node->new($mycall, $version*100+5300, Route::here($main::me->here)|Route::conf($main::me->conf));
+$routeroot->do_pc9x(1);
+$routeroot->via_pc92(1);
 
 # make sure that there is a routing OUTPUT node default file
 #unless (Filter::read_in('route', 'node_default', 0)) {
@@ -506,17 +579,20 @@ DXMsg::clean_old();
 dbg("reading cron jobs ...");
 DXCron->init();
 
-# read in database descriptors
+# read in database desriptors
 dbg("reading database descriptors ...");
 DXDb::load();
 
 # starting local stuff
 dbg("doing local initialisation ...");
 QSL::init(1);
-eval {
-	Local::init();
-};
-dbg("Local::init error $@") if $@;
+if (defined &Local::init) {
+	eval {
+		Local::init();
+	};
+	dbg("Local::init error $@") if $@;
+}
+
 
 # this, such as it is, is the main loop!
 dbg("orft we jolly well go ...");
@@ -527,34 +603,44 @@ $script->run($main::me) if $script;
 
 for (;;) {
 #	$DB::trace = 1;
-	
+
 	Msg->event_loop(10, 0.010);
 	my $timenow = time;
-	process_inqueue();			# read in lines from the input queue and despatch them
+
+	DXChannel::process();
+
 #	$DB::trace = 0;
-	
+
 	# do timed stuff, ongoing processing happens one a second
 	if ($timenow != $systime) {
-		reap if $zombies;
+		reap() if $zombies;
 		$systime = $timenow;
+		my $days = int ($systime / 86400);
+		if ($systime_days != $days) {
+			$systime_days = $days;
+			$systime_daystart = $days * 86400;
+		}
+		IsoTime::update($systime);
 		DXCron::process();      # do cron jobs
 		DXCommandmode::process(); # process ongoing command mode stuff
+		DXXml::process();
 		DXProt::process();		# process ongoing ak1a pcxx stuff
-		QXProt::process();
 		DXConnect::process();
 		DXMsg::process();
 		DXDb::process();
 		DXUser::process();
 		DXDupe::process();
 		AGWMsg::process();
+		BPQMsg::process();
 
-		# this where things really start to happen (in DXSpider 2)
-		Thingy::process();
+		DXLog::flushall();
 		
-		eval { 
-			Local::process();       # do any localised processing
-		};
-		dbg("Local::process error $@") if $@;
+		if (defined &Local::process) {
+			eval {
+				Local::process();       # do any localised processing
+			};
+			dbg("Local::process error $@") if $@;
+		}
 	}
 	if ($decease) {
 		last if --$decease <= 0;