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+# -*- perl -*- Lintian::Processable::Hardening
+#
+# Copyright (C) 2019 Felix Lechner
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# 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, see <http://www.gnu.org/licenses/>.
+
+package Lintian::Processable::Hardening;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Path::Tiny;
+use Unicode::UTF8 qw(encode_utf8);
+
+use Moo::Role;
+use namespace::clean;
+
+=head1 NAME
+
+Lintian::Processable::Hardening - access to collected hardening data
+
+=head1 SYNOPSIS
+
+ use Lintian::Processable;
+
+=head1 DESCRIPTION
+
+Lintian::Processable::Hardening provides an interface to collected hardening data.
+
+=head1 INSTANCE METHODS
+
+=over 4
+
+=item hardening_info
+
+Returns a hashref mapping a FILE to its hardening issues.
+
+NB: This is generally only useful for checks/binaries to emit the
+hardening-no-* tags.
+
+=cut
+
+sub hardening_info {
+ my ($self) = @_;
+
+ return $self->{hardening_info}
+ if exists $self->{hardening_info};
+
+ my $hardf = path($self->basedir)->child('hardening-info')->stringify;
+
+ my %hardening_info;
+
+ if (-e $hardf) {
+ open(my $idx, '<:utf8_strict', $hardf)
+ or die encode_utf8("Cannot open $hardf");
+
+ while (my $line = <$idx>) {
+ chomp($line);
+
+ if ($line =~ m{^([^:]+):(?:\./)?(.*)$}) {
+ my ($tag, $file) = ($1, $2);
+
+ push(@{$hardening_info{$file}}, $tag);
+ }
+ }
+ close($idx);
+ }
+
+ $self->{hardening_info} = \%hardening_info;
+
+ return $self->{hardening_info};
+}
+
+=back
+
+=head1 AUTHOR
+
+Originally written by Felix Lechner <felix.lechner@lease-up.com> for
+Lintian.
+
+=head1 SEE ALSO
+
+lintian(1)
+
+=cut
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et