Merge branch 'master+gnutls-packet-read'

[user/henk/code/inspircd.git] / tools / genssl

diff --git a/tools/genssl b/tools/genssl
index 26f4f76c5d0df0f1cf9cb6c1160c9c5e030d0eed..13b1f01fc9d6d1f928c6b99654633c19453740bd 100755 (executable)
--- a/tools/genssl
+++ b/tools/genssl
@@ -35,6 +35,7 @@ use File::Temp();
 
 sub prompt($$) {
        my ($question, $default) = @_;
+       return prompt_string(1, $question, $default) if eval 'use make::console; 1';
        print "$question\n";
        print "[$default] => ";
        chomp(my $answer = <STDIN>);
@@ -51,7 +52,7 @@ if ($#ARGV != 0 || $ARGV[0] !~ /^(?:auto|gnutls|openssl)$/i) {
 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.
@@ -85,10 +86,15 @@ my $state = prompt('What state are you located in?', 'Example State');
 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"
@@ -110,9 +116,10 @@ ocsp_signing_key
 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 $tmp <<__OPENSSL_END__;
@@ -127,9 +134,17 @@ __OPENSSL_END__
        close($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";
+}