This file is indexed.

/usr/sbin/dpkg-reconfigure is in debconf 1.5.42ubuntu1.

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
#!/usr/bin/perl -w
# This file was preprocessed, do not edit!



if (exists $ENV{DEBCONF_USE_CDEBCONF} and $ENV{DEBCONF_USE_CDEBCONF} ne '') {
    exec "/usr/lib/cdebconf/dpkg-reconfigure", @ARGV;
}

use strict;
use Debconf::Db;
use Debconf::Gettext;
use Debconf::Template;
use Debconf::Config;
use Debconf::AutoSelect qw(:all);
use Debconf::Log qw(:all);

Debconf::Config->priority('low');

my $unseen_only=0;
my $all=0;
my $force=0;
my $default_priority=0;
my $reload=1;
Debconf::Config->getopt(
gettext(qq{Usage: dpkg-reconfigure [options] packages
  -a,  --all			Reconfigure all packages.
  -u,  --unseen-only		Show only not yet seen questions.
       --default-priority	Use default priority instead of low.
       --force			Force reconfiguration of broken packages.
       --no-reload		Do not reload templates. (Use with caution.)}),
	"all|a"			=> \$all,
	"unseen-only|u"		=> \$unseen_only,
	"default-priority"	=> \$default_priority,
	"force"			=> \$force,
	"reload!"		=> \$reload,
);

if ($> != 0) {
	print STDERR sprintf(gettext("%s must be run as root"), $0)."\n";
	exit 1;
}

Debconf::Db->load;

if ($default_priority) {
	Debconf::Config->priority(Debconf::Question->get('debconf/priority')->value);
}

if (lc Debconf::Config->frontend eq 'noninteractive' &&
    ! Debconf::Config->frontend_forced) {
	Debconf::Config->frontend('dialog');
}

my $frontend=make_frontend();

unless ($unseen_only) {
	Debconf::Config->reshow(1);
}

my @packages;
if ($all) {
	@packages=allpackages();
	exit unless @packages;
}
else {
	@packages=@ARGV;
	if (! @packages) {
		print STDERR "$0: ".gettext("please specify a package to reconfigure")."\n";
		exit 1;
	}
}

$ENV{DEBCONF_RECONFIGURE}=1;

my %initial_triggers=map { $_ => 1 } triggers_pending();

foreach my $pkg (@packages) {
	$frontend->default_title($pkg);
	$frontend->info(undef);

	$_=`dpkg --status $pkg`;
	my ($version)=m/Version: (.*)\n/;
	my ($status)=m/Status: (.*)\n/;
	my ($package)=m/Package: (.*)\n/;
	my ($arch)=m/Architecture: (.*)\n/;
	if (! $force) {
		if (! defined $status || $status =~ m/not-installed$/) {
			print STDERR "$0: ".sprintf(gettext("%s is not installed"), $pkg)."\n";
			exit 1;
		}
		if ($status !~ m/ ok installed$/) {
			print STDERR "$0: ".sprintf(gettext("%s is broken or not fully installed"), $pkg)."\n";
			exit 1;
		}
	}
	
	my @control_paths=`dpkg-query --control-path $pkg`;
	map chomp, @control_paths;
	sub control_path {
		my $file = shift;
		my $path = (grep /\.\Q$file\E$/, @control_paths)[0];
		chomp($path) if defined $path;
		return $path;
	}

	if ($reload) {
		my $templates=control_path('templates');
		if ($templates and -e $templates) {
			Debconf::Template->load($templates, $pkg);
		}
	}

	foreach my $info (['prerm',    'upgrade',     $version],
		          ['config',   'reconfigure', $version],
			  ['postinst', 'configure',   $version]) {
		my $script=shift @$info;
		my $path_script=control_path($script);

		next unless $path_script and -x $path_script;

		my $is_confmodule='';

		$ENV{DPKG_MAINTSCRIPT_PACKAGE}=$package;
		$ENV{DPKG_MAINTSCRIPT_ARCH}=$arch;
		$ENV{DPKG_MAINTSCRIPT_NAME}=$script;

		if ($script ne 'config') {
			open (IN, "<$path_script");
			while (<IN>) {
				if (/confmodule/i) {
					$is_confmodule=1;
					last;
				}
			}
			close IN;
		}
		
		if ($script eq 'config' || $is_confmodule) {
			my $confmodule=make_confmodule($path_script, @$info);
	
			$confmodule->owner($pkg);
		
			1 while ($confmodule->communicate);
	
			exit $confmodule->exitcode if $confmodule->exitcode > 0;
		}
		else {
			Debconf::Db->save;
			
			delete $ENV{DEBIAN_HAS_FRONTEND};
			my $ret=system($path_script, @$info);
			if (int($ret / 256) != 0) {
				exit int($ret / 256);
			}
			$ENV{DEBIAN_HAS_FRONTEND}=1;
			
			Debconf::Db->load;
		}
	}
}

my @new_triggers;
do {
	@new_triggers=();
	foreach my $trigpend (triggers_pending()) {
		push @new_triggers, $trigpend
			if not exists $initial_triggers{$trigpend};
	}
	if (@new_triggers) {
		my $ret=system("dpkg", "--configure", @new_triggers);
		if (int($ret / 256) != 0) {
			exit int($ret / 256);
		}
	}
} while (@new_triggers);

$frontend->shutdown;

Debconf::Db->save;

sub allpackages {
	my @ret;
	local $/="\n\n";
	
	open (STATUS, "</var/lib/dpkg/status")
		|| die sprintf(gettext("Cannot read status file: %s"), $!);
	while (<STATUS>) {
		push @ret, $1
			if m/Status:\s*.*\sinstalled\n/ && m/Package:\s*(.*)\n/;
	}
	close STATUS;

	return sort @ret;
}

sub triggers_pending {
	my @ret;
	local $_;

	open (QUERY, '-|', 'dpkg-query', '-W',
		'-f', '${Package} ${PackageSpec} ${binary:Package}\t${Triggers-Pending}\n');
	while (<QUERY>) {
		my ($pkgnames, $triggers) = split /\t/;
		if (length $triggers) {
			my ($pkg, $binpkg) = split ' ', $pkgnames;
			push @ret, (length $binpkg ? $binpkg : $pkg);
		}
	}
	close QUERY;

	return @ret;
}