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#!/usr/bin/perl
#
# --- BEGIN COPYRIGHT BLOCK ---
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation;
# version 2.1 of the License.
#
# This library 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 General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
#
# Copyright (C) 2007 Red Hat, Inc.
# All rights reserved.
# --- END COPYRIGHT BLOCK ---
#
package PKI::TPS::Config;
use strict;
use warnings;
use Exporter;
$PKI::TPS::Config::VERSION = '1.00';
#######################################################
# Configuration Store
#######################################################
sub new {
my $class = shift;
my $self = {};
my %hash = ();
$self->{filename} = "";
$self->{hash} = \%hash;
bless $self,$class;
return $self;
}
sub load_file
{
my ($self, $filename) = @_;
$self->{filename} = $filename;
if (-e $filename) {
open(CF, "<$filename");
if (defined fileno CF) {
while (<CF>) {
if (/^#/) {
# comments
} elsif (/([^=]+)=(.*)$/) {
# print "$1 = $2\n";
$self->{hash}{$1} = $2;
} else {
# preserve comments
}
}
}
close(CF);
}
}
sub get_filename
{
my ($self) = @_;
return $self->{filename};
}
sub get
{
my ($self, $n) = @_;
return $self->{hash}{$n};
}
sub put
{
my ($self, $n, $v) = @_;
$self->{hash}{$n} = $v;
}
sub deleteSubstore
{
my ($self, $n) = @_;
foreach my $xkey (keys %{$self->{hash}}) {
if ($xkey =~ /^\Q$n\E/) {
delete $self->{hash}{$xkey};
}
}
}
sub commit
{
my ($self) = @_;
# write stuff back to the file
# print $self->{filename} . "\n";
my $hash = $self->{hash};
my $suffix = time();
if (-e $self->{filename}) {
# Create a copy of the original file which
# preserves the original file permissions
system("cp -p \"" . $self->{filename} . "\" \"" .
$self->{filename} . "." . $suffix . "\"");
}
# Overwrite the contents of the original file
# to preserve the original file permissions
open(F, ">" . $self->{filename});
foreach my $k (sort keys %{$hash}) {
print F "$k=$self->{hash}{$k}\n";
}
close(F);
if (-e $self->{filename} . "." . $suffix) {
system("rm \"" . $self->{filename} . "." . $suffix . "\"");
}
}
sub commit_with_backup
{
my ($self) = @_;
# write stuff back to the file
# print $self->{filename} . "\n";
my $hash = $self->{hash};
my $suffix = time();
# Create a copy of the original file which
# preserves the original file permissions
system("cp -p \"" . $self->{filename} . "\" \"" .
$self->{filename} . "." . $suffix . "\"");
# Overwrite the contents of the original file
# to preserve the original file permissions
open(F, ">" . $self->{filename});
foreach my $k (sort keys %{$hash}) {
print F "$k=$self->{hash}{$k}\n";
}
close(F);
}
1;
#######################################################
# Test Program
#######################################################
#my $config = PKI::TPS::Config->new();
#$config->load_file("/tmp/CS.cfg");
#print $config->get("tokendb.indexAdminTemplate") . "\n";
#$config->put("tokendb.indexAdminTemplate", "Testing");
#print $config->get("tokendb.indexAdminTemplate") . "\n";
#$config->commit();
1;
#######################################################
# Test Program
#######################################################
#my $config = PKI::TPS::Config->new();
#$config->load_file("/tmp/CS.cfg");
#print $config->get("tokendb.indexAdminTemplate") . "\n";
#$config->put("tokendb.indexAdminTemplate", "Testing");
#print $config->get("tokendb.indexAdminTemplate") . "\n";
#$config->commit();
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