1 files changed, 90 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Binaries/Obsolete/Crypt.pm b/lib/Lintian/Check/Binaries/Obsolete/Crypt.pm
new file mode 100644
index 0000000..8813d8b
--- /dev/null
+++ b/lib/Lintian/Check/Binaries/Obsolete/Crypt.pm
@@ -0,0 +1,90 @@
+# binaries/obsolete/crypt -- 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::Obsolete::Crypt;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+has OBSOLETE_CRYPT_FUNCTIONS => (
+    is => 'rw',
+    lazy => 1,
+    default => sub {
+        my ($self) = @_;
+
+        return $self->data->load('binaries/obsolete-crypt-functions',
+            qr/\s*\|\|\s*/);
+    }
+);
+
+sub visit_installed_files {
+    my ($self, $item) = @_;
+
+    for my $symbol (@{$item->elf->{SYMBOLS} // []}) {
+
+        next
+          unless $symbol->section eq 'UND';
+
+        next
+          unless $self->OBSOLETE_CRYPT_FUNCTIONS->recognizes($symbol->name);
+
+        my $tag = $self->OBSOLETE_CRYPT_FUNCTIONS->value($symbol->name);
+
+        $self->pointed_hint($tag, $item->pointer, $symbol->name);
+    }
+
+    for my $member_name (keys %{$item->elf_by_member}) {
+
+        for
+          my $symbol (@{$item->elf_by_member->{$member_name}{SYMBOLS} // []}) {
+
+            next
+              unless $symbol->section eq 'UND';
+
+            next
+              unless $self->OBSOLETE_CRYPT_FUNCTIONS->recognizes(
+                $symbol->name);
+
+            my $tag = $self->OBSOLETE_CRYPT_FUNCTIONS->value($symbol->name);
+
+            $self->pointed_hint($tag, $item->pointer, "($member_name)",
+                $symbol->name);
+        }
+    }
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et