/usr/share/perl5/Debconf/DbDriver/PackageDir.pm is in debconf 1.5.58ubuntu1.
This file is owned by root:root, with mode 0o644.
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 | #!/usr/bin/perl -w
# This file was preprocessed, do not edit!
package Debconf::DbDriver::PackageDir;
use strict;
use Debconf::Log qw(:all);
use IO::File;
use Fcntl qw(:DEFAULT :flock);
use Debconf::Iterator;
use base 'Debconf::DbDriver::Directory';
use fields qw(mode _loaded);
sub init {
my $this=shift;
if (exists $this->{mode}) {
$this->{mode} = oct($this->{mode});
}
else {
$this->{mode} = 0600;
}
$this->SUPER::init(@_);
}
sub loadfile {
my $this=shift;
my $file=$this->{directory}."/".shift;
return if $this->{_loaded}->{$file};
$this->{_loaded}->{$file}=1;
debug "db $this->{name}" => "loading $file";
return unless -e $file;
my $fh=IO::File->new;
open($fh, $file) or $this->error("$file: $!");
my @item = $this->{format}->read($fh);
while (@item) {
$this->cacheadd(@item);
@item = $this->{format}->read($fh);
}
close $fh;
}
sub load {
my $this=shift;
my $item=shift;
$this->loadfile($this->filename($item));
}
sub filename {
my $this=shift;
my $item=shift;
if ($item =~ m!^([^/]+)(?:/|$)!) {
return $1.$this->{extension};
}
else {
$this->error("failed parsing item name \"$item\"\n");
}
}
sub iterator {
my $this=shift;
my $handle;
opendir($handle, $this->{directory}) ||
$this->error("opendir: $!");
while (my $file=readdir($handle)) {
next if length $this->{extension} and
not $file=~m/$this->{extension}/;
next unless -f $this->{directory}."/".$file;
next if $file eq '.lock' || $file =~ /-old$/;
$this->loadfile($file);
}
$this->SUPER::iterator;
}
sub exists {
my $this=shift;
my $name=shift;
my $incache=$this->Debconf::DbDriver::Cache::exists($name);
return $incache if (!defined $incache or $incache);
my $file=$this->{directory}.'/'.$this->filename($name);
return unless -e $file;
$this->load($name);
return $this->Debconf::DbDriver::Cache::exists($name);
}
sub shutdown {
my $this=shift;
return if $this->{readonly};
my (%files, %filecontents, %killfiles, %dirtyfiles);
foreach my $item (keys %{$this->{cache}}) {
my $file=$this->filename($item);
$files{$file}++;
if (! defined $this->{cache}->{$item}) {
$killfiles{$file}++;
delete $this->{cache}->{$item};
}
else {
push @{$filecontents{$file}}, $item;
}
if ($this->{dirty}->{$item}) {
$dirtyfiles{$file}++;
$this->{dirty}->{$item}=0;
}
}
foreach my $file (keys %files) {
if (! $filecontents{$file} && $killfiles{$file}) {
debug "db $this->{name}" => "removing $file";
my $filename=$this->{directory}."/".$file;
unlink $filename or
$this->error("unable to remove $filename: $!");
if (-e $filename."-old") {
unlink $filename."-old" or
$this->error("unable to remove $filename-old: $!");
}
}
elsif ($dirtyfiles{$file}) {
debug "db $this->{name}" => "saving $file";
my $filename=$this->{directory}."/".$file;
sysopen(my $fh, $filename."-new",
O_WRONLY|O_TRUNC|O_CREAT,$this->{mode}) or
$this->error("could not write $filename-new: $!");
$this->{format}->beginfile;
foreach my $item (@{$filecontents{$file}}) {
$this->{format}->write($fh, $this->{cache}->{$item}, $item)
or $this->error("could not write $filename-new: $!");
}
$this->{format}->endfile;
$fh->flush or $this->error("could not flush $filename-new: $!");
$fh->sync or $this->error("could not sync $filename-new: $!");
if (-e $filename && $this->{backup}) {
rename($filename, $filename."-old") or
debug "db $this->{name}" => "rename failed: $!";
}
rename($filename."-new", $filename) or
$this->error("rename failed: $!");
}
}
$this->SUPER::shutdown(@_);
return 1;
}
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