my $certtool = $^O eq 'darwin' ? 'gnutls-certtool' : 'certtool';
# Check whether the user has the required tools installed.
-my $has_gnutls = !system "$certtool --version >/dev/null 2>&1";
+my $has_gnutls = `$certtool --version v 2>/dev/null`;
my $has_openssl = !system 'openssl version >/dev/null 2>&1';
# The framework the user has specified.
my $country = prompt('What is the ISO 3166-1 code for the country you are located in?', 'XZ');
my $days = prompt('How many days do you want your certificate to be valid for?', '365');
+# Contains the SSL certificate in DER form.
+my $dercert;
+
# Contains the exit code of openssl/gnutls-certtool.
my $status = 0;
if ($tool eq 'gnutls') {
+ $has_gnutls =~ /certtool.+?(\d+\.\d+)/;
+ my $sec_param = $1 lt '2.10' ? '--bits 2048' : '--sec-param normal';
my $tmp = new File::Temp();
print $tmp <<__GNUTLS_END__;
cn = "$common_name"
time_stamping_key
__GNUTLS_END__
close($tmp);
- $status ||= system "$certtool --generate-privkey --outfile key.pem";
+ $status ||= system "$certtool --generate-privkey $sec_param --outfile key.pem";
$status ||= system "$certtool --generate-self-signed --load-privkey key.pem --outfile cert.pem --template $tmp";
- $status ||= system "$certtool --generate-dh-params --bits 2048 --outfile dhparams.pem";
+ $status ||= system "$certtool --generate-dh-params $sec_param --outfile dhparams.pem";
+ $dercert = `$certtool --certificate-info --infile cert.pem --outder` unless $status;
} elsif ($tool eq 'openssl') {
my $tmp = new File::Temp();
print $tmp <<__OPENSSL_END__;
close($tmp);
$status ||= system "cat $tmp | openssl req -x509 -nodes -newkey rsa:2048 -keyout key.pem -out cert.pem -days $days 2>/dev/null";
$status ||= system 'openssl dhparam -out dhparams.pem 2048';
+ $dercert = `openssl x509 -in cert.pem -outform DER` unless $status;
}
if ($status) {
print STDERR "SSL generation failed: $tool exited with a non-zero status!\n";
exit 1;
}
+
+if (defined $dercert && eval 'use Digest::SHA; 1') {
+ my $hash = Digest::SHA->new(256);
+ $hash->add($dercert);
+ print "\nAdd this TLSA record to your domain for DANE support:\n";
+ print "_6697._tcp." . $common_name . " TLSA 3 0 1 " . $hash->hexdigest . "\n";
+}