1 files changed, 67 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Cron.pm b/lib/Lintian/Check/Cron.pm
new file mode 100644
index 0000000..cca2420
--- /dev/null
+++ b/lib/Lintian/Check/Cron.pm
@@ -0,0 +1,67 @@
+# cron -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+#
+# 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::Cron;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Const::Fast;
+
+const my $READ_WRITE_PERMISSIONS => oct(644);
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->name =~ m{^ etc/cron }x;
+
+    # /etc/cron.daily, etc.
+    # NB: cron ships ".placeholder" files, which shouldn't be run.
+    $self->pointed_hint('run-parts-cron-filename-contains-illegal-chars',
+        $item->pointer)
+      if $item->name
+      =~ m{^ etc/cron[.] (?: daily | hourly | monthly | weekly |d ) / [^.] .* [+.] }x;
+
+    # /etc/cron.d
+    # NB: cron ships ".placeholder" files in etc/cron.d,
+    # which we shouldn't tag.
+    $self->pointed_hint('bad-permissions-for-etc-cron.d-script',
+        $item->pointer,
+        sprintf('%04o != %04o', $item->operm, $READ_WRITE_PERMISSIONS))
+      if $item->name =~ m{ ^ etc/cron\.d/ [^.] }msx
+      && $item->operm != $READ_WRITE_PERMISSIONS;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et