chore: import upstream snapshot with attribution

bind8/refetch.cgi

@@ -0,0 +1,29 @@
+#!/usr/local/bin/perl
+# Re-download the root zone servers
+use strict;
+use warnings;
+no warnings 'redefine';
+no warnings 'uninitialized';
+our (%text, %in);
+
+require './bind8-lib.pl';    ## no critic
+&error_setup($text{'refetch_err'});
+&ReadParse();
+
+# Work out the filename
+my $zone = &get_zone_name_or_error($in{'zone'}, $in{'view'});
+&can_edit_zone($zone) ||
+	&error($text{'hint_ecannot'});
+my $file = $zone->{'file'};
+my $rootfile = &make_chroot(&absolute_path($file));
+
+# Try to download the root servers file from
+# ftp://rs.internic.net/domain/named.root
+&lock_file($rootfile);
+my $err = &download_root_zone(&absolute_path($file));
+&error($err) if ($err);
+&unlock_file($rootfile);
+
+&webmin_log("refetch");
+&redirect("");
+