#! /usr/bin/env perl
# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html


use strict;
use warnings;

use File::Spec::Functions;
use File::Copy;
use File::Basename;
use if $^O ne "VMS", 'File::Glob' => qw/glob/;
use OpenSSL::Test qw/:DEFAULT bldtop_file/;

setup("test_rehash");

#If "openssl rehash -help" fails it's most likely because we're on a platform
#that doesn't support the rehash command (e.g. Windows)
plan skip_all => "test_rehash is not available on this platform"
    unless run(app(["openssl", "rehash", "-help"]));

plan tests => 5;

indir "rehash.$$" => sub {
    prepare();
    ok(run(app(["openssl", "rehash", curdir()])),
       'Testing normal rehash operations');
}, create => 1, cleanup => 1;

indir "rehash.$$" => sub {
    prepare(sub { chmod 400, $_ foreach (@_); });
    ok(run(app(["openssl", "rehash", curdir()])),
       'Testing rehash operations on readonly files');
}, create => 1, cleanup => 1;

indir "rehash.$$" => sub {
    ok(run(app(["openssl", "rehash", curdir()])),
       'Testing rehash operations on empty directory');
}, create => 1, cleanup => 1;

indir "rehash.$$" => sub {
    prepare();
    chmod 0500, curdir();
  SKIP: {
      if (!ok(!open(FOO, ">unwritable.txt"),
              "Testing that we aren't running as a privileged user, such as root")) {
          close FOO;
          skip "It's pointless to run the next test as root", 1;
      }
      isnt(run(app(["openssl", "rehash", curdir()])), 1,
           'Testing rehash operations on readonly directory');
    }
    chmod 0700, curdir();       # make it writable again, so cleanup works
}, create => 1, cleanup => 1;

sub prepare {
    my @sourcefiles =
        sort map { glob(bldtop_file('certs', 'demo', "*.$_")) } ('pem',
                                                                 'crt',
                                                                 'cer',
                                                                 'crl');
    my @destfiles = ();
    foreach (@sourcefiles) {
        copy($_, curdir());
        push @destfiles, catfile(curdir(), basename($_));
    }
    foreach (@_) {
        die "Internal error, argument is not CODE"
            unless (ref($_) eq 'CODE');
        $_->(@destfiles);
    }
}