This file is indexed.

/usr/bin/config-edit is in libconfig-model-perl 2.005-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  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
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
#!/usr/bin/perl 

eval 'exec /usr/bin/perl  -S $0 ${1+"$@"}'
    if 0; # not running under some shell
#
# This file is part of Config-Model
#
# This software is Copyright (c) 2012 by Dominique Dumont, Krzysztof Tyszecki.
#
# This is free software, licensed under:
#
#   The GNU Lesser General Public License, Version 2.1, February 1999
#

#    Copyright (c) 2006-2011 Dominique Dumont.
#
#    This file is part of Config-Model.
#
#    Config-Model is free software; you can redistribute it and/or
#    modify it under the terms of the GNU Lesser Public License as
#    published by the Free Software Foundation; either version 2.1 of
#    the License, or (at your option) any later version.
#
#    Config-Model is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#    Lesser Public License for more details.
#
#    You should have received a copy of the GNU Lesser Public License
#    along with Config-Model; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
#    02110-1301 USA

use strict ;
use warnings ;

use Config::Model;
use Config::Model::Lister;
use Getopt::Long ;
use Pod::Usage ;
use Log::Log4perl qw(get_logger :levels);
use POSIX qw/setsid/ ;

my $log4perl_syst_conf_file = '/etc/log4config-model.conf' ;
my $log4perl_user_conf_file = $ENV{HOME}.'/.log4config-model' ;
my $fallback_conf = << 'EOC';
log4perl.logger=WARN, Screen
log4perl.appender.Screen        = Log::Log4perl::Appender::Screen
log4perl.appender.Screen.stderr = 0
log4perl.appender.Screen.layout = Log::Log4perl::Layout::PatternLayout
log4perl.appender.Screen.layout.ConversionPattern = %d %m %n
EOC

my $log4perl_conf 
  = -e $log4perl_user_conf_file ?  $log4perl_user_conf_file
  : -e $log4perl_syst_conf_file ?  $log4perl_syst_conf_file
  :                               \$fallback_conf ;

Log::Log4perl::init($log4perl_conf);


my $ui_type ;

eval {require Config::Model::TkUI ; } ;
my $has_tk = $@ ? 0 : 1 ;

eval {require Config::Model::CursesUI ;} ;
my $has_curses = $@ ? 0 : 1 ;

eval {require Config::Model::FuseUI ;} ;
my $has_fuse = $@ ? 0 : 1 ;

my $model_dir ;
my $root_model ;
my $trace = 0 ;
my $root_dir ;

=head1 NAME

config-edit - Edit data of configuration managed by Config::Model

=head1 SYNOPSIS

  config-edit [options] ( -application popcon | -model Popcon ) [ ... ] [ commands  ... ]

=head1 DESCRIPTION

C<config-edit> program will use Config::Model configuration
descriptions to validate or modify the configuration file of an application.

You can specify commands as arguments that will be run on the
configuration root before launching the UI. These command follow the
syntax defined in L<Config::Model::Loader>.

C<config-edit> can be run in several modes depending on your needs.

=head2 Graphical interface

  config-edit -application popcon

Provides a user interface so user can easily and
securely modify the configuration of their system.

=head2 Curses interface

  config-edit -ui curses -application popcon

Provides a curses user interface

=head2 Shell like interface

  config-edit -ui shell -application popcon
  
Provides a shell like interface

=head2 upgrade mode

  config-edit -ui none -application popcon -save

Loads configuration date, perform validation and migration of old data 
(if specified by the model) and save the new configuration file.

=head2 Direct modification of configuration data

  config-edit -ui none -application popcon PARTICIPATE=yes

Loads old configuration data, update C<PARTICIPATE> data, checks the modification 
and save the configuration back. Option C<-save> is not needed as the data was modified
by the command line.

=head2 Generation of configuration documentation

  config-edit -model Popcon -gen-pod [ output_dir ] 

Generate pod documentation on STDOUT or write them in the specified directory. Note that
one pod file will be created per class.

To get man pages or text docuement, you can pipe the output of the command:

 config-edit -model Popcon -doc  | pod2man > popcon-conf.3

=head1 Options

=over

=item application

Application name to be configured. Specify C<help> to get a list of available 
applications.

=item file

Configuration file name. Used only for models without standard configuration 
file name. (e.g. multistrap)

=item -model

Specifies the model used to edit configuration data. Specify C<help> to
get a list of available applications. This option is ignored when C<-
application> is specified

=item -ui

Specify the user interface type. 

=over

=item *

C<tk>: provides a Tk graphical interface (If L<Config::Model::TkUI> is
installed).

=item *

C<curses>: provides a curses user interface (If
L<Config::Model::CursesUI> is installed).

=item *

C<shell>: provides a shell like interface.  See L<Config::Model::TermUI>
for details.

=item *

C<fuse>: provides an interface through a FUSE virtual file system. You must give a directory where
the virtual file system will be mounted with option C<-fuse_dir>. 
To stop (and write the configuration data back to the configuration file), 
run C<< fusermount -u <mounted_fuse_dir> >>. (This is experimental. Mount point 
specification may change in the future)

=item *

C<none>: No UI provided. Only command line arguments are handled.

=back

=item -dev

Use this option if you want to test a model under development. This
option will add C<lib> in C<@INC> and use C<lib/Config/Model/models>
as model directory. This option is ignored when run as root.

=item -model-dir

Specify an alternate directory to find model files. Mostly useful for
tests.

=item -instance-name

Specify an instance name. By default the instance name is copied from
model name. 

=begin comment 

Could be useful for a backup config data feature. To be implemented

=end comment

=item -root-dir

Specify a pseudo root directory to read and write the configuration
files. (Actual default directory and file names depends on the model
(See C<-model> option). For instance, if you specify C<~/mytest>, the
C</etc/ssh/sshd_config> files will be written in C<~/mytest/etc/ssh/>
directory.

=item -config-file 

Specify the configuration file to edit (which may override the file specified by the model).
 Note that some applicaitions (like multistrap)
will require this option. For other models (like Debian::Dpkg), this option may not make sense
as several files are used.

=item -verbose

Be (very) verbose

=item -debug

Provide debug infos.

=item -trace

Provides a full stack trace when exiting on error.

=item -force-load

Load file even if error are found in data. Bad data are discarded

=item -apply-fixes

Apply fixes mentioned in model description. 
For details, see C<warn_if_match> or C<warn_unless_match> 
in L<Config::Model::Value/>. Configuration files will be saved if 
invoked with C<-ui none> .

=item -backend

Specify a read/write backend. The actual backend name depends on the model
passed to C<-model> option. See L<Config::Model::AutoRead> for details.

=item -dump [ file ]

Dump configuration content on STDOUT or in the specified with
Config::Model syntax.

By default, dump only custom values, i.e. different from application
built-in values or model default values. See -dumptype option for
other types of dump

=item -dumptype [ full | preset | custom ]

Choose to dump every values (full), only preset values or only
customized values (default)

=item -load <cds_file_to_load>

Load configuration data in model from cds file (using Config::Model
serialisation format, typically done with -dump option). When this
option is used, the usual configuration files will not be read.

If used with C<-ui none>, this option will load configuration data, 
validate it and save it in configuration file (if no error was found).

=item -save

Force re-writing the configuration. (useful for configuration upgrade)

=item -open-item 'path'

In graphical mode, force the UI to open the node specified. E.g.

 -open-item 'foo bar'

=item -fuse-dir

Directory where the FUSE virtual file system will be mounted (with C<-ui fuse>)

=back

=head1 Search

You can search the configuration with the following options

=over 

=item -search

Specifies a string or pattern to search. C<config-edit> will a list of path pointing 
to the matching tree element and their value. 
See L<Config::Model::AnyThing/grab(...)> for details
on the path syntax.

=item -narrow-search

Narrows down the search to:

=over 

=item element 

=item value 

=item key 

=item summary 

Summary text

=item description

description text 

=item help

value help text

=back 

=back 

=cut


my $man = 0;
my $help = 0;
my $force_load = 0;
my $dev = 0;
my $instance_name ;
my $backend ;
my $experience = 'beginner' ;
my $dump;
my $dumptype;
my $load;
my $force_save = 0;
my $open_item = '';
my $application ='' ;
my $fuse_dir ;
my $gen_pod ;
my $fuse_debug = 0;
my $apply_fixes = 0 ;
my $search ;
my $search_type = 'all';
my $config_file ; # can override file given by model

# backward compatility to avoid transition issues with bash_completion
# remove March 2012
my $list_sub = sub {
    my ($opt,$v) = @_ ;
    require Config::Model::Lister;
    print $v eq 'models' ? Config::Model::Lister::models
        :  Config::Model::Lister::applications ;
    exit ;
} ;
 
my $result = GetOptions ("ui|if=s"          => \$ui_type,
			 "model_dir|model-dir=s"      => \$model_dir,
			 "application=s"    => \$application,
			 "model=s"          => \$root_model,
			 "experience=s"     => \$experience ,
			 "instance_name|instance-name=s"  => \$instance_name,
			 "trace!"           => \$trace,
			 "man!"             => \$man,
			 "help!"            => \$help,
			 "dev!"             => \$dev,
			 "force_load|force-load!"      => \$force_load,
			 "root_dir|root-dir=s"       => \$root_dir ,
			 "backend=s"        => \$backend,
                         "dump:s"           => \$dump,
                         "dumptype:s"       => \$dumptype,
                         "load=s"           => \$load,
			 'save!'            => \$force_save ,
			 "open_item|open-item=s"      => \$open_item ,
			 "fuse_dir|fuse-dir=s"       => \$fuse_dir,
			 "dfuse!"           => \$fuse_debug,
			 "apply-fixes!"     => \$apply_fixes ,
			 "gen-pod|gen_pod:s" => \$gen_pod,
			 "search=s"         => \$search,
			 "narrow-search=s"  => \$search_type,
			 "config-file|file=s"    => \$config_file,
			 "list=s"           => $list_sub ,
			);

pod2usage(2) if not $result ;
pod2usage(1) if $help;
pod2usage(-verbose => 2) if $man;

# ignore $dev if run as root
if ($> and $dev) {
    unshift @INC,'lib' ;
    $model_dir = 'lib/Config/Model/models/' ;
    warn "-dev option is ignored when run as root\n" ;
}

Config::Model::Exception::Any->Trace(1) if $trace ;

if (defined $root_dir && ! -e $root_dir) {
    mkdir $root_dir, 0755 || die "can't create $root_dir:$!";
}

my $model = Config::Model -> new(model_dir => $model_dir) ;

my ($categories,$appli_info,$appli_map) = Config::Model::Lister::available_models ;

$root_model = $appli_map->{$application} if $application and defined $appli_map->{$application} ;

if (not defined $root_model or $root_model eq 'help' or $application eq 'help') {
    print "Please specify one of the following application with -application option:\n";
    foreach my $cat (keys %$categories) {
        my $names = $categories->{$cat} || [];
        next unless @$names ;
        print "$cat:\n\t",join ("\n\t", @$names),"\n";
    }       
    exit 1;
}

$instance_name = $root_model unless defined $instance_name ;

# use name found by available_models if found
$root_model = $appli_info->{$root_model}{model} || $root_model ;

if (defined $gen_pod) {
    $model->load($root_model) ;
    $model->generate_doc ($root_model,$gen_pod) ;
    exit ;
}

my $inst = $model->instance (root_class_name => $root_model ,
			     instance_name   => $instance_name ,
			     root_dir        => $root_dir ,
			     check           => $force_load ? 'no' : 'yes',
			     skip_read       => $load ? 1 : 0,
			     backend         => $backend,
			     config_file     => $config_file ,
			    );

my $root = $inst -> config_root ;

=head1 Embedding config-edit

You can use config-edit from another program by using C<-ui simple>
option. This way you will be able to send command on the standard input
of C<config-edit> and get the results from the standard output.

=cut

if (defined $dump) {
    my $dump_string = $root->dump_tree( mode => $dumptype || 'custom' ) ;
    if ($dump) {
	open(DUMP,">$dump") or die "cannot dump in $dump:$!";
	print DUMP $dump_string ;
	close DUMP;
    }
    else {
	print $dump_string ;
    }
    exit ;
}

if (defined $search) {
    foreach my $path ($root->tree_searcher(type => $search_type)->search($search)) {
        print "$path";
        my $obj = $root->grab($path) ;
        if ($obj->get_type =~ /leaf|check_list/) {
            my $v = $obj->fetch ;
            $v = defined $v ? $v : '<undef>' ;
            print " -> '$v'";
        }
        print "\n";
    }
    exit ;
}

if (defined $load) {
    open(LOAD,$load) || die "cannot open load file $load:$!";
    my @data = <LOAD> ;
    close LOAD; 
    get_logger("Data")->info("Skipping config file and loading $load");
    $root->load("@data");
}

if ($apply_fixes) {
    $inst->apply_fixes ;
}

if (@ARGV) {
    $root->load("@ARGV") ;
}

if (not defined $ui_type) {
    if ($has_tk) {
        $ui_type = 'tk' ;
    }
    elsif ($has_curses) {
        warn "You should install Config::Model::TkUI for a more friendly user interface\n";
        $ui_type = 'curses';
    }
    else {
        warn "You should install Config::Model::TkUI or Config::Model::CursesUI ",
            "for a more friendly user interface\n";
        $ui_type = 'shell' ;
    }
}

if ($ui_type eq 'simple') {
    # experience not yet implemented
    require Config::Model::SimpleUI;
    my $shell_ui = Config::Model::SimpleUI
      -> new( root => $root ,
	      title => $root_model.' configuration',
	      prompt => ' >',
	    );

    # engage in user interaction
    $shell_ui -> run_loop ;
}
elsif ($ui_type eq 'shell') {
    # experience not yet implemented
    require Config::Model::TermUI;
    my $shell_ui = Config::Model::TermUI
      -> new( root => $root ,
	      title => $root_model.' configuration',
	      prompt => ' >',
	    );

    # engage in user interaction
    $shell_ui -> run_loop ;
}
elsif ($ui_type eq 'curses') {
    die "cannot run curses interface: Config::Model::CursesUI is not installedn"
        unless $has_curses ;
    my $err_file = '/tmp/config-edit-error.log' ;

    print "In case of error, check $err_file\n";

    open (FH,"> $err_file") || die "Can't open $err_file: $!" ;
    open STDERR, ">&FH";

    my $dialog = Config::Model::CursesUI-> new
      (
       experience => $experience,
      ) ;

    # engage in user interaction
    $dialog->start( $model )  ;

    close FH ;
}
elsif ($ui_type eq 'tk') {
    die "cannot run Tk interface: Config::Model::CursesUI is not installedn"
        unless $has_tk ;

    require Tk;
    require Tk::ErrorDialog;
    Tk->import ;

    my $mw = MainWindow-> new ;
    $mw->withdraw ;
    # Thanks to Jerome Quelin for the tip
    $mw->optionAdd('*BorderWidth' => 1);

    my $cmu = $mw->ConfigModelUI (-root => $root, -experience => $experience) ;

    if ($open_item) {
        my $obj = $root->grab($open_item) ;
        $cmu->force_element_display($obj) ;
    }

    &MainLoop ; # Tk's
}
elsif ( $ui_type eq 'fuse' ) {
    die "could not load Config::Model::FuseUI. Is Fuse installed ?\n" unless $has_fuse ;
    die "Missing -fuse_dir option\n" unless defined $fuse_dir ;
    die "Directory $fuse_dir does not exists\n" unless -d $fuse_dir ;

    my $ui = Config::Model::FuseUI->new(
        root => $root , 
        mountpoint => "$fuse_dir",
    );       

    print "Mounting config on $fuse_dir in background.\nUse command 'fusermount -u $fuse_dir' to unmount\n";

    # now fork 
    my $pid = fork ;

    if (defined $pid and $pid == 0) {
        # child process, just run fuse and wait for exit
        $ui->run_loop(debug => $fuse_debug) ;
        $force_save = 1;
    }
    else {
        exit ; # don't save data in parent process
    }
}
elsif ( $ui_type =~ /^no/i ) {
    # trigger a dump to load all sub-models
    my $dump = $root->dump_tree ;
    $force_save = 1 if $apply_fixes or $load or @ARGV;
}
else {
    die "Unsupported user interface: $ui_type";
}

$inst->write_back if $force_save ;

=head1 Saving configuration data

Configuration data are saved only when :

=over

=item *

Requested through the user interface

=item *

When commands are specified with arguments

=item *

When C<-load> option is used

=item *

When C<-save> option is used

=back

You can run safely C<config-edit -ui none> to test a configuration,
configuration files will not be modified in this case.

=head1 Logging

All Config::Model logging is now based on L<Log::Log4perl>. 
Logging can be configured in the following files:

=over

=item *

 ~/.log4config-model

=item * 

 /etc/log4config-model.conf

=back

Without these files, the following Log4perl config is used:

 log4perl.logger=WARN, Screen
 log4perl.appender.Screen        = Log::Log4perl::Appender::Screen
 log4perl.appender.Screen.stderr = 0
 log4perl.appender.Screen.layout = Log::Log4perl::Layout::PatternLayout
 log4perl.appender.Screen.layout.ConversionPattern = %d %m %n

Log4perl uses the following categories:

=over

=item Anything

=item Backend

=item Backend::Debian::Dpkg

=item Backend::Debian::Dpkg::Control

=item Backend::Debian::Dpkg::Copyright

=item Backend::Fstab

=item Backend::IniFile

=item Backend::PlainFile

=item Backend::ShellVar

=item Backend::Yaml

=item FuseUI

=item Instance

=item Loader

=item Model::Searcher

=item Tree::Element::CheckList

=item Tree::Element::Id

=item Tree::Element::Id::Hash

=item Tree::Element::Id::List

=item Tree::Element::Value

=item Tree::Element::Value::Dependency

=item Tree::Node

=item Tree::Node::Warped

=item ValueComputer

=item Warper

=item Wizard::Helper

=item Model


=back

More categories will come.

=head1 SUPPORT

For support, please check the following resources:

=over

=item *

The config-model users mailing list:

 config-model-users at lists.sourceforge.net

=item *

The config-model wiki: L<http://config-model.wiki.sourceforge.net/>

=back

=head1 FEEDBACKS

Feedback from users are highly desired. If you find this module useful, please
share your use cases, success stories with the author or with the config-model-
users mailing list. 

=head1 AUTHOR

Dominique Dumont, ddumont at cpan dot org

=head1 SEE ALSO

L<Config::Model::Model>, 
L<Config::Model::Instance>, 
L<Config::Model::Node>, 
L<Config::Model::HashId>,
L<Config::Model::ListId>,
L<Config::Model::WarpedNode>,
L<Config::Model::Value>

=cut