1 files changed, 138 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Binaries/Location.pm b/lib/Lintian/Check/Binaries/Location.pm
new file mode 100644
index 0000000..c207ae0
--- /dev/null
+++ b/lib/Lintian/Check/Binaries/Location.pm
@@ -0,0 +1,138 @@
+# binaries/location -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+# Copyright (C) 2012 Kees Cook
+# Copyright (C) 2017-2020 Chris Lamb <lamby@debian.org>
+# Copyright (C) 2021 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, you can find it on the World Wide
+# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+package Lintian::Check::Binaries::Location;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+const my $EMPTY => q{};
+
+const my %PATH_DIRECTORIES => map { $_ => 1 } qw(
+  bin/ sbin/ usr/bin/ usr/sbin/ usr/games/ );
+
+has DEB_HOST_MULTIARCH => (
+    is => 'rw',
+    lazy => 1,
+    default => sub {
+        my ($self) = @_;
+
+        return $self->data->architectures->deb_host_multiarch;
+    }
+);
+
+has gnu_triplet_pattern => (
+    is => 'rw',
+    lazy => 1,
+    default => sub {
+        my ($self) = @_;
+
+        my $gnu_triplet_pattern = $EMPTY;
+
+        my $architecture = $self->processable->fields->value('Architecture');
+        my $madir = $self->DEB_HOST_MULTIARCH->{$architecture};
+
+        if (length $madir) {
+            $gnu_triplet_pattern = quotemeta $madir;
+            $gnu_triplet_pattern =~ s{^i386}{i[3-6]86};
+        }
+
+        return $gnu_triplet_pattern;
+    }
+);
+
+has ruby_triplet_pattern => (
+    is => 'rw',
+    lazy => 1,
+    default => sub {
+        my ($self) = @_;
+
+        my $ruby_triplet_pattern = $self->gnu_triplet_pattern;
+        $ruby_triplet_pattern =~ s{linux\\-gnu$}{linux};
+        $ruby_triplet_pattern =~ s{linux\\-gnu}{linux\\-};
+
+        return $ruby_triplet_pattern;
+    }
+);
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->is_file;
+
+    return
+      unless $item->file_type =~ /^ [^,]* \b ELF \b /x
+      || $item->file_type =~ / \b current [ ] ar [ ] archive \b /x;
+
+    $self->pointed_hint('binary-in-etc', $item->pointer)
+      if $item->name =~ m{^etc/};
+
+    $self->pointed_hint('arch-dependent-file-in-usr-share', $item->pointer)
+      if $item->name =~ m{^usr/share/};
+
+    my $fields = $self->processable->fields;
+
+    my $architecture = $fields->value('Architecture');
+    my $multiarch = $fields->value('Multi-Arch') || 'no';
+
+    my $gnu_triplet_pattern = $self->gnu_triplet_pattern;
+    my $ruby_triplet_pattern = $self->ruby_triplet_pattern;
+
+    $self->pointed_hint('arch-dependent-file-not-in-arch-specific-directory',
+        $item->pointer)
+      if $multiarch eq 'same'
+      && length $gnu_triplet_pattern
+      && $item->name !~ m{\b$gnu_triplet_pattern(?:\b|_)}
+      && length $ruby_triplet_pattern
+      && $item->name !~ m{/$ruby_triplet_pattern/}
+      && $item->name !~ m{/java-\d+-openjdk-\Q$architecture\E/}
+      && $item->name !~ m{/[.]build-id/};
+
+    return
+      unless $item->file_type =~ /^ [^,]* \b ELF \b /x;
+
+    $self->pointed_hint('development-package-ships-elf-binary-in-path',
+        $item->pointer)
+      if exists $PATH_DIRECTORIES{$item->dirname}
+      && $fields->value('Section') =~ m{ (?:^|/) libdevel $}x
+      && $fields->value('Multi-Arch') ne 'foreign';
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et