summaryrefslogtreecommitdiffstats
path: root/perl-install/printer.pm
blob: dda9dcceafc4b0bd1bad826daeb4ffa290711b2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
package printer;
# $Id$

#use diagnostics;
#use strict;


use common;
use commands;
use run_program;

#-if we are in an DrakX config
my $prefix = "";

#-location of the printer database in an installed system
my $PRINTER_DB_FILE = "/usr/share/foomatic/db/compiled/overview.xml";
#-configuration directory of Foomatic
my $FOOMATICCONFDIR = "/etc/foomatic"; 
#-location of the file containing the default spooler's name
my $FOOMATIC_DEFAULT_SPOOLER = "$FOOMATICCONFDIR/defaultspooler";

%spooler = (
    __("CUPS - Common Unix Printing System") => "cups",
    __("LPRng - LPR New Generation")         => "lprng",
    __("LPD - Line Printer Daemon")          => "lpd",
    __("PDQ - Print, Don't Queue")           => "pdq"
#    __("PDQ - Marcia, click here!")           => "pdq"
);
%spooler_inv = reverse %spooler;

%printer_type = (
    __("Local printer")            => "LOCAL",
    __("Remote printer")           => "REMOTE",
    __("Remote CUPS server")       => "CUPS",
    __("Remote lpd server")        => "LPD",
    __("Network printer (socket)") => "SOCKET",
    __("SMB/Windows 95/98/NT")     => "SMB",
    __("NetWare")                  => "NCP",
    __("Printer Device URI")       => "URI",
    __("Pipe into command")        => "POSTPIPE"
);
%printer_type_inv = reverse %printer_type;

#------------------------------------------------------------------------------
sub set_prefix($) { $prefix = $_[0]; }

sub default_queue($) { $_[0]{QUEUE} }

sub default_printer_type($) { "LOCAL" }
sub spooler {
    return @spooler_inv{qw(cups lpd lprng pdq)};
}
sub printer_type($) {
    for ($_[0]{SPOOLER}) {
	/cups/ && return @printer_type_inv{qw(LOCAL CUPS LPD SOCKET SMB), $::expert ? qw(URI) : ()};
	/lpd/  && return @printer_type_inv{qw(LOCAL LPD SOCKET SMB NCP), $::expert ? qw(POSTPIPE URI) : ()};
	/lprng/  && return @printer_type_inv{qw(LOCAL LPD SOCKET SMB NCP), $::expert ? qw(POSTPIPE URI) : ()};
	/pdq/  && return @printer_type_inv{qw(LOCAL LPD SOCKET), $::expert ? qw(URI) : ()};
    }
}

sub get_default_spooler () {
    if (-f "$prefix$FOOMATIC_DEFAULT_SPOOLER") {
	open DEFSPOOL, "< $prefix$FOOMATIC_DEFAULT_SPOOLER";
	my $spool = <DEFSPOOL>;
	chomp $spool;
	close DEFSPOOL;
	if ($spool =~ /cups|lpd|lprng|pdq/) {
	    return $spool;
	}
    }
}

sub set_default_spooler ($) {
    my ($printer) = @_;
    # Make Foomatic config directory if it does not exist yet
    if (!(-d $FOOMATICCONFDIR)) {mkdir $FOOMATICCONFDIR;}
    # Mark the default driver in a file
    open DEFSPOOL, "> $prefix$FOOMATIC_DEFAULT_SPOOLER" || 
	die "Cannot create $prefix$FOOMATIC_DEFAULT_SPOOLER!";
    print DEFSPOOL $printer->{SPOOLER};
    close DEFSPOOL;
}

sub restart_service ($) {
    my ($service) = @_;
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service restart")
	|| die "Could not restart $service!";
}

sub start_service ($) {
    my ($service) = @_;
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service start")
	|| die "Could not start $service!";
}

sub stop_service ($) {
    my ($service) = @_;
    run_program::rooted($prefix, "/etc/rc.d/init.d/$service stop")
	|| die "Could not stop $service!";
}

sub remove_package ($) {
    my ($package) = @_;
    run_program::rooted($prefix, "rpm -e --nodeps $package") || do {};
}

sub installed ($) {
    my ($package) = @_;
    open RPMCHECK, "rpm -qa | grep $package |" ||
	die "Could not run rpm!";
    my $found = 0;
    while (<RPMCHECK>) {
	if ($_ =~ m/^$package\-.+\-.+mdk/) {
	    $found = 1;
	    last;
	}
    }
    close RPMCHECK;
    return $found;
}

sub copy_printer_params($$) {
    my ($from, $to) = @_;
    map { $to->{$_} = $from->{$_} } grep { $_ ne 'configured' } keys %$from; 
    #- avoid cycles-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
}

sub getinfo($) {
    my ($prefix) = @_;
    my $printer = {};
    my @QUEUES;

    set_prefix($prefix);

    # Initialize $printer data structure
    resetinfo($printer);

    return $printer;
}

#------------------------------------------------------------------------------
sub resetinfo($) {
    my ($printer) = @_;
    $printer->{QUEUE} = "";
    $printer->{OLD_QUEUE} = "";
    $printer->{ARGS} = "";
    $printer->{DBENTRY} = "";
    @{$printer->{OPTIONS}} = ();
    $printer->{currentqueue} = {};
    # -check which printing system was used previously and load the information
    # -about its queues
    read_configured_queues($printer);
}

sub read_configured_queues($) {
    my ($printer) = @_;
    my @QUEUES;
    # Get the default spooler choice from the config file
    if (!($printer->{SPOOLER} ||= get_default_spooler())) {
	#- Find the first spooler where there are queues
	my $spooler;
	for $spooler (qw(cups pdq lprng lpd)) {
	    #- poll queue info 
	    local *F; 
	    open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
		"foomatic-configure -P -s $spooler |" ||
		    die "Could not run foomatic-configure";
	    eval (join('',(<F>))); 
	    close F;
	    #- Have we found queues?
	    if ($#QUEUES != -1) {
		$printer->{SPOOLER} = $spooler;
		last;
	    }
	}
    } else {
	#- Poll the queues of the current default spooler
	local *F; 
	open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
	    "foomatic-configure -P -s $printer->{SPOOLER} |" ||
		die "Could not run foomatic-configure";
	eval (join('',(<F>))); 
	close F;
    }
    $printer->{configured} = {};
    my $i;
    my $N = $#QUEUES + 1;
    for ($i = 0;  $i < $N; $i++) {
	$printer->{configured}{$QUEUES[$i]->{'queuedata'}{'queue'}} = 
	    $QUEUES[$i];
    }
}

sub read_printer_db(;$) {

    my $spooler = $_[0];

    my $dbpath = $prefix . $PRINTER_DB_FILE;

    local $_; #- use of while (<...

    local *DBPATH; #- don't have to do close ... and don't modify globals at least
    # Generate the Foomatic printer/driver overview, read it from the
    # appropriate file when it is already generated
    if (!(-f $dbpath)) {
	open DBPATH, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
	    "foomatic-configure -O |" ||
		die "Could not run foomatic-configure";
    } else {
	open DBPATH, $dbpath or die "An error has occurred on $dbpath : $!";
    }

    my $entry = {};
    my $inentry = 0;
    my $indrivers = 0;
    my $inautodetect = 0;
    while (<DBPATH>) {
	chomp;
	if ($inentry) {
	    # We are inside a printer entry
	    if ($indrivers) {
		# We are inside the drivers block of a printers entry
		if (m!^\s*</drivers>\s*$!) {
		    # End of drivers block
		    $indrivers = 0;
		} elsif (m!^\s*<driver>(.+)</driver>\s*$!) {
		    push (@{$entry->{drivers}}, $1);
		}
	    } elsif ($inautodetect) {
		# We are inside the autodetect block of a printers entry
		# All entries inside this block will be ignored
		if (m!^.*</autodetect>\s*$!) {
		    # End of autodetect block
		    $inautodetect = 0;
		}
	    } else {
		if (m!^\s*</printer>\s*$!) {
		    # entry completed
		    $inentry = 0;
		    # Expert mode:
		    # Make one database entry per driver with the entry name
		    # manufacturer|model|driver
		    if ($::expert) {
			my $driver;
			for $driver (@{$entry->{drivers}}) {
			    my $driverstr;
			    if ($driver eq "Postscript") {
				$driverstr = "PostScript";
			    } else {
				$driverstr = "GhostScript + $driver";
			    }
			    if ($driver eq $entry->{defaultdriver}) {
				$driverstr .= " (recommended)";
			    }
			    $entry->{ENTRY} = "$entry->{make}|$entry->{model}|$driverstr";
			    $entry->{driver} = $driver;
			    # Duplicate contents of $entry because it is multiply entered to the database
			    map { $thedb{$entry->{ENTRY}}->{$_} = $entry->{$_} } keys %$entry;
			}
		    } else {
			# Recommended mode
			# Make one entry per printer, with the recommended
			# driver (manufacturerer|model)
			$entry->{ENTRY} = "$entry->{make}|$entry->{model}";
			if ($entry->{defaultdriver}) {
			    $entry->{driver} = $entry->{defaultdriver};
			    map { $thedb{$entry->{ENTRY}}->{$_} = $entry->{$_} } keys %$entry;
			}
		    }
		    $entry = {};
		} elsif (m!^\s*<id>\s*([^\s<>]+)\s*</id>\s*$!) {
		    # Foomatic printer ID
		    $entry->{id} = $1;
		} elsif (m!^\s*<make>(.+)</make>\s*$!) {
		    # Printer manufacturer
		    $entry->{make} = uc($1);
		} elsif (m!^\s*<model>(.+)</model>\s*$!) {
		    # Printer model
		    $entry->{model} = $1;
		} elsif (m!<driver>(.+)</driver>!) {
		    # Printer default driver
		    $entry->{defaultdriver} = $1;
		} elsif (m!^\s*<drivers>\s*$!) {
		    # Drivers block
		    $indrivers = 1;
		    @{$entry->{drivers}} = (); 
		} elsif (m!^\s*<autodetect>\s*$!) {
		    # Autodetect block
		    $inautodetect = 1;
		}
	    }
	} else {
	    if (m!^\s*<printer>\s*$!) {
		# new entry
		$inentry = 1;
	    }
	}
    }

    #- Load CUPS driver database if CUPS is used as spooler
    if (($spooler) && ($spooler eq "cups") && ($::expert)) {
	#&$install('cups-drivers') unless $::testing;
	#my $w;
	#if ($in) {
	#    $w = $in->wait_message(_("CUPS starting"),
	#			   _("Reading CUPS drivers database..."));
	#}
        poll_ppd_base();
    }

    @entries_db_short     = sort keys %printer::thedb;
    #%descr_to_db          = map { $printer::thedb{$_}{DESCR}, $_ } @entries_db_short;
    #%descr_to_help        = map { $printer::thedb{$_}{DESCR}, $printer::thedb{$_}{ABOUT} } @entries_db_short;
    #@entry_db_description = keys %descr_to_db;
    #db_to_descr          = reverse %descr_to_db;
}

sub read_foomatic_options ($) {
    my ($printer) = @_;
    # Generate the option data for the chosen printer/driver combo
    my $COMBODATA;
    local *F;
    open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
	"foomatic-configure -P -p $printer->{currentqueue}{'id'}" .
	    " -d $printer->{currentqueue}{'driver'}" . 
		($printer->{OLD_QUEUE} ?
		  " -s $printer->{SPOOLER} -n $printer->{OLD_QUEUE}" : "") 
		    . " |" ||
	    die "Could not run foomatic-configure";
    eval (join('',(<F>))); 
    close F;
    # Return the arguments field
    return $COMBODATA->{'args'};
}

sub read_cups_options ($) {
    my ($queue_or_file) = @_;
    # Generate the option data from a CUPS PPD file/a CUPS queue
    # Use the same Perl data structure as Foomatic uses to be able to
    # reuse the dialog
    local *F;
    if ($queue_or_file =~ /.ppd.gz$/) { # compressed PPD file
	open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
	    "gunzip -cd $queue_or_file | lphelp - |" ||
		die "Could not run lphelp";
    } else { # PPD file not compressed or queue
	open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . 
	    "lphelp $queue_or_file |" ||
		die "Could not run lphelp";
    }
    my $i;
    my $j;
    my @args = ();
    my $line;
    my $inoption = 0;
    my $inchoices = 0;
#    my $innumerical = 0;
    while ($line = <F>) {
	chomp $line;
	if ($inoption) {
	    if ($inchoices) {
		if ($line =~ /^\s*(\S+)\s+(\S.*)$/) {
		    push(@{$args[$i]{vals}}, {});
		    $j = $#{$args[$i]{vals}};
		    $args[$i]{vals}[$j]{value} = $1;
		    my $comment = $2;
		    # Did we find the default setting?
		    if ($comment =~ /default\)\s*$/) {
			$args[$i]{default} = $args[$i]{vals}[$j]{value};
			$comment =~ s/,\s*default\)\s*$//;
		    } else {
			$comment =~ s/\)\s*$//;
		    }
		    # Remove opening paranthese
		    $comment =~ s/^\(//;
		    # Remove page size info
		    $comment =~ s/,\s*size:\s*[0-9\.]+x[0-9\.]+in$//;
		    $args[$i]{vals}[$j]{comment} = $comment;
		} elsif (($line =~ /^\s*$/) && ($#{$args[$i]{vals}} > -1)) {
		    $inchoices = 0;
		    $inoption = 0;
		}
#	    } elsif ($innumerical == 1) {
#		if ($line =~ /^\s*The default value is ([0-9\.]+)\s*$/) {
#		    $args[$i]{default} = $1;
#		    $innumerical = 0;
#		    $inoption = 0;
#		}
	    } else {
		if ($line =~ /^\s*<choice>/) {
		    $inchoices = 1;
#		} elsif ($line =~ /^\s*<value> must be a(.*) number in the range ([0-9\.]+)\.\.([0-9\.]+)\s*$/) {
#		    delete($args[$i]{vals});
#		    $args[$i]{min} = $2;
#		    $args[$i]{max} = $3;
#		    my $type = $1;
#		    if ($type =~ /integer/) {
#			$args[$i]{type} = 'int';
#		    } else {
#			$args[$i]{type} = 'float';
#		    }
#		    $innumerical = 1;
		}
	    }
	} else {
	    if ($line =~ /^\s*([^\s:][^:]*):\s+-o\s+([^\s=]+)=<choice>\s*$/) {
#	    if ($line =~ /^\s*([^\s:][^:]*):\s+-o\s+([^\s=]+)=<.*>\s*$/) {
		$inoption = 1;
		push(@args, {});
		$i = $#args;
		$args[$i]{comment} = $1;
		$args[$i]{name} = $2;
		$args[$i]{type} = 'enum';
		@{$args[$i]{vals}} = ();
	    }
	}
    }
    close F;
    # Return the arguments field
    return \@args;
}

#------------------------------------------------------------------------------
sub read_cupsd_conf {
    my @cupsd_conf;
    local *F;

    open F, "$prefix/etc/cups/cupsd.conf";
    @cupsd_conf = <F>;
    close F;

    @cupsd_conf;
}
sub write_cupsd_conf {
    my (@cupsd_conf) = @_;
    local *F;

    open F, ">$prefix/etc/cups/cupsd.conf";
    print F @cupsd_conf;
    close F;

    #- restart cups after updating configuration.
    run_program::rooted($prefix, "/etc/rc.d/init.d/cups restart"); sleep 1;
}

sub read_printers_conf {
    my ($printer) = @_;
    my $current = undef;

    #- read /etc/cups/printers.conf file.
    #- according to this code, we are now using the following keys for each queues.
    #-    DeviceURI > lpd://printer6/lp
    #-    Info      > Info Text
    #-    Location  > Location Text
    #-    State     > Idle|Stopped
    #-    Accepting > Yes|No
    local *PRINTERS; open PRINTERS, "$prefix/etc/cups/printers.conf" or return;
    local $_;
    while (<PRINTERS>) {
	chomp;
	/^\s*#/ and next;
	if (/^\s*<(?:DefaultPrinter|Printer)\s+([^>]*)>/) { $current = { mode => 'cups', QUEUE => $1, } }
	elsif (/\s*<\/Printer>/) { $current->{QUEUE} && $current->{DeviceURI} or next; #- minimal check of synthax.
				   add2hash($printer->{configured}{$current->{QUEUE}} ||= {}, $current); $current = undef }
	elsif (/\s*(\S*)\s+(.*)/) { $current->{$1} = $2 }
    }
    close PRINTERS;

    #- assume this printing system.
    $printer->{SPOOLER} ||= 'cups';
}

sub get_direct_uri {
    #- get the local printer to access via a Device URI.
    my @direct_uri;
    local *F; open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . "/usr/sbin/lpinfo -v |";
    local $_;
    while (<F>) {
	/^(direct|usb|serial)\s+(\S*)/ and push @direct_uri, $2;
    }
    close F;
    @direct_uri;
}

sub get_descr_from_ppd {
    my ($printer) = @_;
    my %ppd;

    #- if there is no ppd, this means this is the PostScript generic filter.
    local *F; open F, "$prefix/etc/cups/ppd/$printer->{OLD_QUEUE}.ppd" or return "OTHERS|Generic PostScript printer|PostScript (en)";
    local $_;
    while (<F>) {
	/^\*([^\s:]*)\s*:\s*\"([^\"]*)\"/ and do { $ppd{$1} = $2; next };
	/^\*([^\s:]*)\s*:\s*([^\s\"]*)/   and do { $ppd{$1} = $2; next };
    }
    close F;

    my $descr = ($ppd{NickName} || $ppd{ShortNickName} || $ppd{ModelName});
    # Apply the beautifying rules of poll_ppd_base
    if ($descr =~ /Foomatic \+ Postscript/) {
	$descr =~ s/Foomatic \+ Postscript/PostScript/;
    } elsif ($descr =~ /Foomatic/) {
	$descr =~ s/Foomatic/GhostScript/;
    } elsif ($descr =~ /CUPS\+GIMP-print/) {
	$descr =~ s/CUPS\+GIMP-print/CUPS \+ GIMP-Print/;
    } elsif ($descr =~ /Series CUPS/) {
	$descr =~ s/Series CUPS/Series, CUPS/;
    } elsif (!(uc($descr) =~ /POSTSCRIPT/)) {
	$descr .= ", PostScript";
    }

    # Split the $descr into model and driver
    my $model;
    my $driver;
    if ($descr =~ /^([^,]+), (.*)$/) {
	$model = $1;
	$driver = $2;
    } else {
	# Some PPDs do not have the ", <driver>" part.
	$model = $descr;
	$driver = "PostScript";
    }
    my $make = $ppd{Manufacturer};
    my $lang = $ppd{LanguageVersion};

    # Remove manufacturer's name from the beginning of the model name
    if (($make) && ($model =~ /^$make[\s\-]+([^\s\-].*)$/)) {
	$model = $1;
    }

    # Put out the resulting description string
    uc($make) . '|' . $model . '|' . $driver .
      ($lang && (" (" . lc(substr($lang, 0, 2)) . ")"));
}

sub poll_ppd_base {
    
    #- before trying to poll the ppd database available to cups, we have to make sure
    #- the file /etc/cups/ppds.dat is no more modified.
    #- if cups continue to modify it (because it reads the ppd files available), the
    #- poll_ppd_base program simply cores :-)
    run_program::rooted($prefix, "ifup lo"); #- else cups will not be happy!
    run_program::rooted($prefix, "/etc/rc.d/init.d/cups start");
    my $driversthere = scalar(keys %thedb);
    foreach (1..60) {
	local *PPDS; open PPDS, ($::testing ? "$prefix" : "chroot $prefix/ ") . "/usr/bin/poll_ppd_base -a |";
	local $_;
	while (<PPDS>) {
	    chomp;
	    my ($ppd, $mf, $descr, $lang) = split /\|/;
	    my ($model, $driver);
	    if ($descr) {
		if ($descr =~ /^([^,]+), (.*)$/) {
		    $model = $1;
		    $driver = $2;
		} else {
		    # Some PPDs do not have the ", <driver>" part.
		    $model = $descr;
		    $driver = "PostScript";
		}
	    }
	    # Rename Canon "BJC XXXX" models into "BJC-XXXX" so that the models
	    # do not appear twice
	    if ($mf eq "CANON") {
		$model =~ s/BJC\s+/BJC-/;
	    }
	    $ppd && $mf && $descr and do {
		my $key = "$mf|$model|$driver" . ($lang && " ($lang)");
	        $thedb{$key}{ppd} = $ppd;
		$thedb{$key}{driver} = $driver;
		$thedb{$key}{make} = $mf;
		$thedb{$key}{model} = $model;
	    }
	}
	close PPDS;
	scalar(keys %thedb) - $driversthere > 5 and last;
	#- we have to try again running the program, wait here a little before.
	sleep 1; 
    }

    #scalar(keys %descr_to_ppd) > 5 or die "unable to connect to cups server";

}



#-******************************************************************************
#- write functions
#-******************************************************************************

sub configure_queue($) {
    my ($printer) = @_;

    if ($printer->{currentqueue}{foomatic}) {
	#- Create the queue with "foomatic-configure"
        run_program::rooted($prefix, "foomatic-configure",
			    "-s", $printer->{SPOOLER},
			    "-n", $printer->{currentqueue}{'queue'},
			    "-c", $printer->{currentqueue}{'connect'},
			    "-p", $printer->{currentqueue}{'id'},
			    "-d", $printer->{currentqueue}{'driver'},
			    "-N", $printer->{currentqueue}{'desc'},
			    "-L", $printer->{currentqueue}{'loc'},
			    @{$printer->{OPTIONS}}
			    ) or die "foomatic-configure failed";
    } elsif ($printer->{currentqueue}{ppd}) {
	#- If the chosen driver is a PPD file from /usr/share/cups/model,
	#- we use lpadmin to set up the queue
        run_program::rooted($prefix, "lpadmin",
			    "-p", $printer->{currentqueue}{'queue'},
#			    $printer->{State} eq 'Idle' && 
#			        $printer->{Accepting} eq 'Yes' ? ("-E") : (),
			    "-E",
			    "-v", $printer->{currentqueue}{'connect'},
			    "-m", $printer->{currentqueue}{'ppd'},
			    $printer->{currentqueue}{'desc'} ?
			        ("-D", $printer->{currentqueue}{'desc'}) : (),
			    $printer->{currentqueue}{'loc'} ? 
			        ("-L", $printer->{currentqueue}{'loc'}) : (),
			    @{$printer->{OPTIONS}}
			    ) or die "lpadmin failed";
    }

    my $useUSB = 0;
    foreach (values %{$printer->{configured}}) {
	$useUSB ||= $_->{'queuedata'}{'connect'} =~ /usb/ || 
	    $_->{DeviceURI} =~ /usb/;
    }
    if ($useUSB) {
	my $f = "$prefix/etc/sysconfig/usb";
	my %usb = getVarsFromSh($f);
	$usb{PRINTER} = "yes";
	setVarsInSh($f, \%usb);
    }
}

sub remove_queue($$) {
    my ($printer) = $_[0];
    my ($queue) = $_[1];
    run_program::rooted($prefix, "foomatic-configure", "-D",
			"-s", $printer->{SPOOLER},
			"-n", $queue);
    delete $printer->{configured}{$queue};
}

sub restart_queue($) {
    my ($printer) = @_;
    my $queue = default_queue($printer);

    # Restart the daemon(s)
    for ($printer->{SPOOLER}) {
	/cups/ && do {
	    #- restart cups.
	    run_program::rooted($prefix, "/etc/rc.d/init.d/cups restart"); sleep 1;
	    last };
	/lpr|lprng/ && do {
	    #- restart lpd.
	    foreach (("/var/spool/lpd/$queue/lock", "/var/spool/lpd/lpd.lock")) {
		my $pidlpd = (cat_("$prefix$_"))[0];
		kill 'TERM', $pidlpd if $pidlpd;
		unlink "$prefix$_";
	    }
	    run_program::rooted($prefix, "lpd"); sleep 1;
	    last };
    }
    # Kill the jobs
    run_program::rooted($prefix, "foomatic-printjob", "-R",
			"-s", $printer->{SPOOLER},
			"-P", $queue, "-");

}

sub print_pages($@) {
    my ($printer, @pages) = @_;
    my $queue = default_queue($printer);
    my $lpr = "/usr/bin/foomatic-printjob";
    my $lpq = "$lpr -Q";

    # Print the pages
    foreach (@pages) {
	run_program::rooted($prefix, $lpr, "-s", $printer->{SPOOLER},
			    "-P", $queue, $_);
    }
    sleep 5; #- allow lpr to send pages.
    # Check whether the job is queued
    local *F; 
    open F, ($::testing ? "$prefix" : "chroot $prefix/ ") . "$lpq -s $printer->{SPOOLER} -P $queue |";
    my @lpq_output =
	grep { !/^no entries/ && !(/^Rank\s+Owner/ .. /^\s*$/) } <F>;
    close F;
    @lpq_output;
}


#-######################################################################################
#- Wonderful perl :(
#-######################################################################################
1;