3 # InspIRCd -- Internet Relay Chat Daemon
5 # Copyright (C) 2013-2017 Sadie Powell <sadie@witchery.services>
7 # This file is part of InspIRCd. InspIRCd is free software: you can
8 # redistribute it and/or modify it under the terms of the GNU General Public
9 # License as published by the Free Software Foundation, version 2.
11 # This program is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
27 use warnings FATAL => qw(all);
31 # IMPORTANT: This script has to be able to run by itself so that it can be used
32 # by binary distributions where the make/console.pm module will not
36 my ($question, $default) = @_;
37 return prompt_string(1, $question, $default) if eval 'use FindBin;use lib $FindBin::RealDir;use make::console; 1';
39 print "[$default] => ";
40 chomp(my $answer = <STDIN>);
42 return $answer ? $answer : $default;
45 if ($#ARGV != 0 || $ARGV[0] !~ /^(?:auto|gnutls|openssl)$/i) {
46 say STDERR "Usage: $0 <auto|gnutls|openssl>";
50 # On OS X the GnuTLS certtool is prefixed to avoid collision with the system certtool.
51 my $certtool = $^O eq 'darwin' ? 'gnutls-certtool' : 'certtool';
53 # Check whether the user has the required tools installed.
54 my $has_gnutls = `$certtool --version v 2>/dev/null`;
55 my $has_openssl = !system 'openssl version >/dev/null 2>&1';
57 # The framework the user has specified.
58 my $tool = lc $ARGV[0];
60 # If the user has not explicitly specified a framework then detect one.
61 if ($tool eq 'auto') {
64 } elsif ($has_openssl) {
67 say STDERR "SSL generation failed: could not find $certtool or openssl in the PATH!";
70 } elsif ($tool eq 'gnutls' && !$has_gnutls) {
71 say STDERR "SSL generation failed: could not find '$certtool' in the PATH!";
73 } elsif ($tool eq 'openssl' && !$has_openssl) {
74 say STDERR 'SSL generation failed: could not find \'openssl\' in the PATH!';
78 # Harvest information needed to generate the certificate.
79 my $common_name = prompt('What is the hostname of your server?', 'irc.example.com');
80 my $email = prompt('What email address can you be contacted at?', 'example@example.com');
81 my $unit = prompt('What is the name of your unit?', 'Server Admins');
82 my $organization = prompt('What is the name of your organization?', 'Example IRC Network');
83 my $city = prompt('What city are you located in?', 'Example City');
84 my $state = prompt('What state are you located in?', 'Example State');
85 my $country = prompt('What is the ISO 3166-1 code for the country you are located in?', 'XZ');
86 my $days = prompt('How many days do you want your certificate to be valid for?', '365');
88 # Contains the SSL certificate in DER form.
91 # Contains the exit code of openssl/gnutls-certtool.
94 if ($tool eq 'gnutls') {
95 $has_gnutls =~ /certtool.+?(\d+\.\d+)/;
96 my $sec_param = $1 lt '2.10' ? '--bits 2048' : '--sec-param normal';
97 my $tmp = new File::Temp();
98 print $tmp <<__GNUTLS_END__;
102 organization = "$organization"
106 expiration_days = $days
118 $status ||= system "$certtool --generate-privkey $sec_param --outfile key.pem";
119 $status ||= system "$certtool --generate-self-signed --load-privkey key.pem --outfile cert.pem --template $tmp";
120 $status ||= system "$certtool --generate-request --load-privkey key.pem --outfile csr.pem --template $tmp";
121 $status ||= system "$certtool --generate-dh-params $sec_param --outfile dhparams.pem";
122 $dercert = `$certtool --certificate-info --infile cert.pem --outder` unless $status;
123 } elsif ($tool eq 'openssl') {
124 my $tmp = new File::Temp();
125 print $tmp <<__OPENSSL_END__;
137 $status ||= system "cat $tmp | openssl req -x509 -nodes -newkey rsa:2048 -keyout key.pem -out cert.pem -days $days 2>/dev/null";
138 $status ||= system "cat $tmp | openssl req -new -nodes -key key.pem -out csr.pem 2>/dev/null";
139 $status ||= system 'openssl dhparam -out dhparams.pem 2048';
140 $dercert = `openssl x509 -in cert.pem -outform DER` unless $status;
144 say STDERR "SSL generation failed: $tool exited with a non-zero status!";
148 if (defined $dercert && eval 'use Digest::SHA; 1') {
149 my $hash = Digest::SHA->new(256);
150 $hash->add($dercert);
152 say 'If you are using the self-signed certificate then add this TLSA record to your domain for DANE support:';
153 say "_6697._tcp." . $common_name . " TLSA 3 0 1 " . $hash->hexdigest;