1#!/usr/bin/perl
2#
3# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
4#
5# This Source Code Form is subject to the terms of the Mozilla Public
6# License, v. 2.0. If a copy of the MPL was not distributed with this
7# file, you can obtain one at https://mozilla.org/MPL/2.0/.
8#
9# See the COPYRIGHT file distributed with this work for additional
10# information regarding copyright ownership.
11
12use strict;
13use warnings;
14
15my $target = shift;
16my $notbefore;
17my $inception;
18while (<>) {
19	$notbefore = $1 if m{^.* must not be signed before \d+ [(](\d+)[)]};
20	$inception = $1 if m{^.* inception time \d+ [(](\d+)[)]};
21}
22die "missing notbefore time" unless $notbefore;
23die "missing inception time" unless $inception;
24my $delta = $inception - $notbefore;
25die "bad inception time $delta" unless abs($delta - $target) < 3;
26