This file is indexed.

/usr/sbin/pam-auth-update is in libpam-runtime 1.1.8-3.2ubuntu2.

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
#!/usr/bin/perl -w

# pam-auth-update: update /etc/pam.d/common-* from /usr/share/pam-configs
#
# Update the /etc/pam.d/common-* files based on the per-package profiles
# provided in /usr/share/pam-configs/ taking into consideration user's
# preferences (as determined via debconf prompting).
#
# Written by Steve Langasek <steve.langasek@canonical.com>
#
# Copyright (C) 2008 Canonical Ltd.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 3 of the GNU General Public License as
# published by the Free Software Foundation.
#
# # This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
# USA.

use strict;
use Debconf::Client::ConfModule ':all';
use IPC::Open2 'open2';

version('2.0');
my $capb=capb('backup escape');

my $inputdir = '/usr/share/pam-configs';
my $template = 'libpam-runtime/profiles';
my $errtemplate = 'libpam-runtime/conflicts';
my $overridetemplate = 'libpam-runtime/override';
my $blanktemplate = 'libpam-runtime/no_profiles_chosen';
my $titletemplate = 'libpam-runtime/title';
my $confdir = '/etc/pam.d';
my $savedir = '/var/lib/pam';
my (%profiles, @sorted, @enabled, @conflicts, @new, %removals);
my $force = 0;
my $package = 0;
my $priority = 'high';
my %md5sums = (
	'auth' => ['8d4fe17e66ba25de16a117035d1396aa'],
	'account' => ['3c0c362eaf3421848b679d63fd48c3fa'],
	'password' => [
		'50fce2113dfda83ac8bdd5a6e706caec',
		'4bd7610f2e85f8ddaef79c7db7cb49eb',
		'9ba753d0824276b44bcadfee1f87b6bc',
	],
	'session' => [
		'240fb92986c885b327cdb21dd641da8c',
		'4a25673e8b36f1805219027d3be02cd2',
		'73144a2f4e609a922a51e301cd66a57e',
	],
	'session-noninteractive' => [
		'ad2b78ce1498dd637ef36469430b6ac6',
		'a20e8df3469bfe25c13a3b39161b30f0',
	],
);

opendir(DIR, $inputdir) || die "could not open config directory: $!";
while (my $profile = readdir(DIR)) {
	next if ($profile eq '.' || $profile eq '..');
	%{$profiles{$profile}} = parse_pam_profile($inputdir . '/' . $profile);
}
closedir DIR;

# use a '--force' arg to specify that /etc/pam.d should be overwritten; 
# used only on upgrades where the postinst has already determined that the
# checksums match.  Module packages other than libpam-runtime itself must
# NEVER use this option!  Document with big skullses and crossboneses!  It
# needs to be exposed for libpam-runtime because that's the package that
# decides whether we have a pristine config to be converted, and knows
# whether the version being upgraded from is one for which the conversion
# should be done.

while ($#ARGV >= 0) {
	my $opt = shift;
	if ($opt eq '--force') {
		$force = 1;
	} elsif ($opt eq '--package') {
		$package = 1;
	} elsif ($opt eq '--remove') {
		while ($#ARGV >= 0) {
			last if ($ARGV[0] =~ /^--/);
			$removals{shift @ARGV} = 1;
		}
		# --remove implies --package
		$package = 1 if (keys(%removals));
	}
}

$priority = 'medium' if ($package);

x_loadtemplatefile('/var/lib/dpkg/info/libpam-runtime.templates','libpam-runtime');

# always sort by priority, so we have consistency and don't have to
# shuffle later
@sorted = sort { $profiles{$b}->{'Priority'} <=> $profiles{$a}->{'Priority'}
                 || $b cmp $a }
               keys(%profiles);
# If we're being called for package removal, filter out those options here
@sorted = grep { !$removals{$_} } @sorted;

subst($template, 'profile_names', join(', ',@sorted));
subst($template, 'profiles',
	join(', ', map { $profiles{$_}->{'Name'} } @sorted));

my $diff = diff_profiles($confdir,$savedir);

if ($diff) {
	@enabled = grep { !$removals{$_} } @{$diff->{'mods'}};
} else {
	@enabled = split(/, /,get($template));
}

# find out what we've seen, so we can ignore those defaults
my %seen;
if (-e $savedir . '/seen') {
	open(SEEN,$savedir . '/seen');
	while (<SEEN>) {
		chomp;
		$seen{$_} = 1;
	}
	close(SEEN);
}

# filter out any options that are no longer available for any reason
@enabled = grep { $profiles{$_} } @enabled;

# an empty module set is an error, so in that case grab all the defaults
if (!@enabled) {
	%seen = ();
	$priority = 'high' unless ($force);
}

# add any previously-unseen configs
push(@enabled,
     grep { $profiles{$_}->{'Default'} eq 'yes' && !$seen{$_} } @sorted);
@enabled = sort { $profiles{$b}->{'Priority'} <=> $profiles{$a}->{'Priority'}
                  || $b cmp $a }
                @enabled;
my $prev = '';
@enabled = grep { $_ ne $prev && (($prev) = $_) } @enabled;

# Do we have any new options to show?  If not, we shouldn't reprompt the
# user, at any priority level, unless explicitly called.
@new = grep { !$seen{$_} } @sorted;

settitle($titletemplate);

# if diff_profiles() fails, and we weren't passed a 'force' argument
# (because this isn't an upgrade from an old version, or the checksum
# didn't match, or we're being called by some other module package), prompt
# the user whether to override.  If the user declines (the default), we
# never again manage this config unless manually called with '--force'.
if (!$diff && !$force) {
	input('high',$overridetemplate);
	go();
	$force = 1 if (get($overridetemplate) eq 'true');
}

if (!$diff && !$force) {
	print STDERR <<EOF;

pam-auth-update: Local modifications to /etc/pam.d/common-*, not updating.
pam-auth-update: Run pam-auth-update --force to override.

EOF
	exit;
}

umask(0022);

do {
	@conflicts = ();

	if (@new || !$package) {
		fset($template,'seen','false');
	}
	set($template,join(', ', @enabled));

	input($priority,$template);
	go();

	@enabled = split(/, /, get($template));

	# in case of conflicts, automatically unset the lower priority
	# item of each pair
	foreach my $elem (@enabled)
	{
		for (my $i=$#enabled; $i >= 0; $i--)
		{
			my $conflict = $enabled[$i];
			if ($profiles{$elem}->{'Conflicts'}->{$conflict}) {
				splice(@enabled,$i,1);
				my $desc = $profiles{$elem}->{'Name'}
					. ', ' . $profiles{$conflict}->{'Name'};
				push(@conflicts,$desc);
			}
		}
	}
	if (@conflicts) {
		subst($errtemplate, 'conflicts', join("\\n", @conflicts));
		input('high',$errtemplate);
	}
	set($template, join(', ', @enabled));
	if (!@enabled) {
		input('high',$blanktemplate);
		# we can only end up here by user error, but give them another
		# shot at selecting a correct config anyway.
		fset($template,'seen','false');
	}
} while (@conflicts || !@enabled);

# the decision has been made about what configs to use, so even if
# something fails after this, we shouldn't go munging the default
# options again.  Save the list of known configs to /var/lib/pam.
open(SEEN,"> $savedir/seen");
for my $i (@sorted) {
	print SEEN "$i\n";
}
close(SEEN);

# @enabled now contains our list of profiles to use for piecing together
# a config
# we have:
# - templates into which we insert the specialness
# - magic comments denoting the beginning and end of our managed block;
#   looking at only the functional config lines would potentially let us
#   handle more cases, at the expense of much greater complexity, so
#   pass on this at least for the first round
# - a representation of the autogenerated config stored in /var/lib/pam,
#   that we can diff against in order to account for changed options or
#   manually dropped modules
# - a hash describing the local modifications the user has made to the
#   config; these are always preserved unless manually overridden with
#   the --force option

write_profiles(\%profiles, \@enabled, $confdir, $savedir, $diff, $force);


# take a single line from a stock config, and merge it with the
# information about local admin edits
sub merge_one_line
{
	my ($line,$diff,$count) = @_;
	my (@opts,$modline);

	my ($adds,$removes);

	$line =~ /^((\[[^]]+\]|\w+)\s+\S+)\s*(.*)/;

	@opts = split(/\s+/,$3);
	$modline = $1;
	$modline =~ s/end/$count/g;
	if ($diff) {
		my $mod = $modline;
		$mod =~ s/(\[[^0-9]*)[0-9]+(.*\])/$1$2/g;
		$adds = \%{$diff->{'add'}{$mod}};
		$removes = \%{$diff->{'remove'}{$mod}};
	} else {
		$adds = $removes = undef;
	}

	for (my $i = 0; $i <= $#opts; $i++) {
		if ($adds->{$opts[$i]}) {
			delete $adds->{$opts[$i]};
		}
		if ($removes->{$opts[$i]}) {
			splice(@opts,$i,1);
			$i--;
		}
	}
	return $modline . " " . join(' ',@opts,sort keys(%{$adds})) . "\n";
}

# return the lines for a given config name, type, and position in the stack
sub lines_for_module_and_type
{
	my ($profiles, $mod, $type, $modpos) = @_;
	if ($modpos == 0 && $profiles->{$mod}{$type . '-Initial'}) {
		return $profiles->{$mod}{$type . '-Initial'};
	}
	return $profiles->{$mod}{$type};
}

# create a single PAM config from the indicated template and selections,
# writing to a new file
sub create_from_template
{
	my($template,$dest,$profiles,$enabled,$diff,$type) = @_;
	my $state = 0;
	my $uctype = ucfirst($type);
	$type =~ s/-noninteractive//;

	open(INPUT,$template) || return 0;
	open(OUTPUT,">$dest") || return 0;

	while (<INPUT>) {
		if ($state == 1) {
			if (/^# here's the fallback if no module succeeds/) {
				print OUTPUT;
				$state++;
			}
			next;
		}
		if ($state == 3) {
			if (/^# end of pam-auth-update config/) {
				print OUTPUT;
				$state++;
			}
			next;
		}

		print OUTPUT;

		my ($pattern,$val);
		if ($state == 0) {
			$pattern = '^# here are the per-package modules \(the "Primary" block\)';
			$val = 'Primary';
		} elsif ($state == 2) {
			$pattern = '^# and here are more per-package modules \(the "Additional" block\)';
			$val = 'Additional';
		} else {
			next;
		}

		if (/$pattern/) {
			my $i = 0;
			my $count = 0;
			# first we need to get a count of lines that we're
			# going to output, so we can fix up the jumps correctly
			for my $mod (@{$enabled}) {
				my $output;
				next if (!$profiles->{$mod}{$uctype . '-Type'});
				next if $profiles->{$mod}{$uctype . '-Type'} ne $val;
				$output = lines_for_module_and_type($profiles, $mod, $uctype, $i++);
				# bypasses a perl warning about @_, sigh
				my @tmparr = split("\n+",$output);
				$count += @tmparr;
			}

			# in case anything tries to jump in the 'additional'
			# block, let's try not to jump off the stack...
			$count-- if ($val eq 'Additional');

			# no primary block, so output a stock pam_permit line
			# to keep the stack intact
			if ($val eq 'Primary' && $count == 0)
			{
				print OUTPUT "$type\t[default=1]\t\t\tpam_permit.so\n";
			}

			$i = 0;
			for my $mod (@{$enabled}) {
				my $output;
				my @output;
				next if (!$profiles->{$mod}{$uctype . '-Type'});
				next if $profiles->{$mod}{$uctype . '-Type'} ne $val;
				$output = lines_for_module_and_type($profiles, $mod, $uctype, $i++);
				for my $line (split("\n",$output)) {
					$line = merge_one_line($line,$diff,
					                       $count);
					print OUTPUT "$type\t$line";
					$count--;
				}
			}
			$state++;
		}
	}
	close(INPUT);
	close(OUTPUT);

	if ($state < 4) {
		unlink($dest);
		return 0;
	}
	return 1;
}

# take a template file, strip out everything between the markers, and
# return the md5sum of the remaining contents.  Used for testing for
# local modifications of the boilerplate.
sub get_template_md5sum
{
	my($template) = @_;
	my $state = 0;

	open(INPUT,$template) || return '';
	my($md5sum_fd,$output_fd);
	my $pid = open2($md5sum_fd, $output_fd, 'md5sum');
	return '' if (!$pid);

	while (<INPUT>) {
		if ($state == 1) {
			if (/^# here's the fallback if no module succeeds/) {
				print $output_fd $_;
				$state++;
			}
			next;
		}
		if ($state == 3) {
			if (/^# end of pam-auth-update config/) {
				print $output_fd $_;
				$state++;
			}
			next;
		}

		print $output_fd $_;

		my ($pattern,$val);
		if ($state == 0) {
			$pattern = '^# here are the per-package modules \(the "Primary" block\)';
		} elsif ($state == 2) {
			$pattern = '^# and here are more per-package modules \(the "Additional" block\)';
		} else {
			next;
		}

		if (/$pattern/) {
			$state++;
		}
	}
	close(INPUT);
	close($output_fd);
	my $md5sum = <$md5sum_fd>;
	close($md5sum_fd);
	waitpid $pid, 0;

	$md5sum = (split(/\s+/,$md5sum))[0];
	return $md5sum;
}

# merge a set of module declarations into a set of new config files,
# using the information returned from diff_profiles().
sub write_profiles
{
	my($profiles,$enabled,$confdir,$savedir,$diff,$force) = @_;

	if (! -d $savedir) {
		mkdir($savedir);
	}
		
	# because we can't atomically replace both /var/lib/pam/$foo and
	# /etc/pam.d/common-$foo at the same time, take steps to make this
	# somewhat robust
	for my $type ('auth','account','password','session',
	              'session-noninteractive')
	{
		my $target = $confdir . '/common-' . $type;
		my $template = $target;
		my $dest = $template . '.pam-new';

		my $diff = $diff;
		if ($diff) {
			$diff = \%{$diff->{$type}};
		}

		# Detect if the template is unmodified, and if so, use
		# the version from /usr/share.  Depends on knowing the
		# md5sums of the originals.
		my $md5sum = get_template_md5sum($template);
		for my $i (@{$md5sums{$type}}) {
			if ($md5sum eq $i) {
				$template = '/usr/share/pam/common-' . $type;
				last;
			}
		}

		# first, write out the new config
		if (!create_from_template($template,$dest,$profiles,$enabled,
		                          $diff,$type))
		{
			if (!$force) {
				return 0;
			}
			$template = '/usr/share/pam/common-' . $type;
			if (!create_from_template($template,$dest,$profiles,
			                          $enabled,$diff,$type))
			{
				return 0;
			}
		}

		# then write out the saved config
		if (!open(OUTPUT, "> $savedir/$type.new")) {
			unlink($dest);
			return 0;
		}
		my $i = 0;
		my $uctype = ucfirst($type);
		for my $mod (@{$enabled}) {
			my $output;
			next if (!$profiles->{$mod}{$uctype . '-Type'});
			next if ($profiles->{$mod}{$uctype . '-Type'} eq 'Additional');

			$output = lines_for_module_and_type($profiles, $mod, $uctype, $i++);
			if ($output) {
				print OUTPUT "Module: $mod\n";
				print OUTPUT $output . "\n";
			}
		}

		# no primary block, so output a stock pam_permit line
		if ($i == 0)
		{
			print OUTPUT "Module: null\n";
			print OUTPUT "[default=1]\t\t\tpam_permit.so\n";
		}

		$i = 0;
		for my $mod (@{$enabled}) {
			my $output;
			next if (!$profiles->{$mod}{$uctype . '-Type'});
			next if ($profiles->{$mod}{$uctype . '-Type'} eq 'Primary');

			$output = lines_for_module_and_type($profiles, $mod, $uctype, $i++);
			if ($output) {
				print OUTPUT "Module: $mod\n";
				print OUTPUT $output . "\n";
			}
		}

		close(OUTPUT);

		# then do the renames, back-to-back
		# we have to use system because File::Copy is in
		# perl-modules, not perl-base
		if (-e "$target" && $force) {
			system('cp','-f',$target,$target . '.pam-old');
		}
		rename($dest,$target);
		rename("$savedir/$type.new","$savedir/$type");
	}

	# at the end of a successful write, reset the 'seen' flag and the
	# value of the debconf override question.
	fset($overridetemplate,'seen','false');
	set($overridetemplate,'false');
}

# reconcile the current config in /etc/pam.d with the saved ones in
# /var/lib/pam; returns a hash of profile names and the corresponding
# options that should be added/removed relative to the stock config.
# returns false if any of the markers are missing that permit a merge,
# or on any other failure.
sub diff_profiles
{
	my ($sourcedir,$savedir) = @_;
	my (%diff);

	@{$diff{'mods'}} = ();
	# Load the saved config from /var/lib/pam, then iterate through all
	# lines in the current config that are in the managed block.
	# If anything fails here, just return immediately since we then
	# have nothing to merge; instead, the caller will decide later
	# whether to force an overwrite.
	for my $type ('auth','account','password','session',
	              'session-noninteractive')
	{
		my (@saved,$modname);

		open(SAVED,$savedir . '/' . $type) || return 0;
		while (<SAVED>) {
			if (/^Module: (.*)/) {
				$modname = $1;
				next;
			}
			chomp;
			# trim out the destination of any jumps; this saves
			# us from having to re-parse everything just to fix
			# up the jump lengths, when changes to these will
			# already show up as inconsistencies elsewhere
			s/(\[[^0-9]*)[0-9]+(.*\])/$1$2/g;
			s/(\[.*)end(.*\])/$1$2/g;
			my (@temp) = ($modname,$_);
			push(@saved,\@temp);
		}
		close(SAVED);

		my $state = 0;
		my (@prev_opts,$curmod);
		my $realtype = $type;
		$realtype =~ s/-noninteractive//;

		open(CURRENT,$sourcedir . '/common-' . $type) || return 0;
		while (<CURRENT>) {
			if ($state == 0) {
				$state = 1
				   if (/^# here are the per-package modules \(the "Primary" block\)/);
				next;
			}
			if ($state == 1) {
				s/^$realtype\s+//;
				if (/^# here's the fallback if no module succeeds/) {
					$state = 2;
					next;
				}
			}
			if ($state == 2) {
				$state = 3
				   if (/^# and here are more per-package modules \(the "Additional" block\)/);
				next;
			}
			if ($state == 3) {
				last if (/^# end of pam-auth-update config/);
				s/^$realtype\s+//;
			}

			my $found = 0;
			my $curopts;
			while (!$found && $#saved >= 0) {
				my $line;
				($modname,$line) = @{$saved[0]};
				shift(@saved);
				$line =~ /^((\[[^]]+\]|\w+)\s+\S+)\s*(.*)/;
				@prev_opts = split(/\s+/,$3);
				$curmod = $1;
				# FIXME: the key isn't derived from the config
				# name, so collisions are possible if more
				# than one config references the same module

				$_ =~ s/(\[[^0-9]*)[0-9]+(.*\])/$1$2/g;
				# check if this is a match for the current line
				if ($_ =~ /^\Q$curmod\E\s*(.*)$/) {
					$found = 1;
					$curopts = $1;
					push(@{$diff{'mods'}},$modname);
				}
			}

			# there's a line in the live config that doesn't
			# correspond to anything from the saved config.
			# treat this as a failure; it's very error-prone
			# to decide what to do with an added line that
			# didn't come from a package.
			return 0 if (!$found);

			for my $opt (split(/\s+/,$curopts)) {
				my $found = 0;
				for (my $i = 0; $i <= $#prev_opts; $i++) {
					if ($prev_opts[$i] eq $opt) {
						$found = 1;
						splice(@prev_opts,$i,1);
					}
				}
				$diff{$type}{'add'}{$curmod}{$opt} = 1 if (!$found);
			}
			for my $opt (@prev_opts) {
				$diff{$type}{'remove'}{$curmod}{$opt} = 1;
			}
		}
		close(CURRENT);

		# we couldn't parse the config, so the merge fails
		return 0 if ($state < 3);
	}
	return \%diff;
}

# simple function to parse a provided config file, in pseudo-RFC822
# format,
sub parse_pam_profile
{
	my ($profile) = $_[0];
	my $fieldname;
	my %profile;
	open(PROFILE, $profile) || die "could not read profile $profile: $!";
	while (<PROFILE>) {
		if (/^(\S+):\s+(.*)$/) {
			$fieldname = $1;
			# compatibility with the first implementation round;
			# "Auth-Final" is now just called "Auth"
			$fieldname =~ s/-Final$//;
			if ($fieldname eq 'Conflicts') {
				foreach my $elem (split(/, /, $2)) {
					$profile{'Conflicts'}->{$elem} = 1;
				}
			} else {
				$profile{$fieldname} = $2;
			}
		} else {
			chomp;
			s/^\s+//;
			$profile{$fieldname} .= "\n$_" if ($_);
			$profile{$fieldname} =~ s/^[\n\s]+//;
		}
	}
	close(PROFILE);
	if (!defined($profile{'Session-Interactive-Only'})) {
			$profile{'Session-noninteractive-Type'} = $profile{'Session-Type'};
			$profile{'Session-noninteractive'} = $profile{'Session'};
			$profile{'Session-noninteractive-Initial'} = $profile{'Session-Initial'};
	}
	return %profile;
}