3 # InspIRCd -- Internet Relay Chat Daemon
5 # Copyright (C) 2020 Nicole Kleinhoff <ilbelkyr@shalture.org>
6 # Copyright (C) 2013-2017, 2020 Sadie Powell <sadie@witchery.services>
8 # This file is part of InspIRCd. InspIRCd is free software: you can
9 # redistribute it and/or modify it under the terms of the GNU General Public
10 # License as published by the Free Software Foundation, version 2.
12 # This program is distributed in the hope that it will be useful, but WITHOUT
13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
28 use warnings FATAL => qw(all);
32 # IMPORTANT: This script has to be able to run by itself so that it can be used
33 # by binary distributions where the make/console.pm module will not
36 use File::Basename qw(dirname);
37 use FindBin qw($RealDir);
39 use lib dirname $RealDir;
40 require make::console;
41 make::console->import();
45 my ($question, $default) = @_;
46 return prompt_string(1, $question, $default) if defined main->can('prompt_string');
48 print "[$default] => ";
49 chomp(my $answer = <STDIN>);
51 return $answer ? $answer : $default;
54 if (scalar @ARGV < 1 || $ARGV[0] !~ /^(?:auto|gnutls|openssl)$/i) {
55 say STDERR "Usage: $0 <auto|gnutls|openssl> [SSL-DIR]";
59 # On OS X the GnuTLS certtool is prefixed to avoid collision with the system certtool.
60 my $certtool = $^O eq 'darwin' ? 'gnutls-certtool' : 'certtool';
62 # Check whether the user has the required tools installed.
63 my $has_gnutls = `$certtool --version v 2>/dev/null`;
64 my $has_openssl = !system 'openssl version >/dev/null 2>&1';
66 # The framework the user has specified.
67 my $tool = lc $ARGV[0];
69 # If the user has not explicitly specified a framework then detect one.
70 if ($tool eq 'auto') {
73 } elsif ($has_openssl) {
76 say STDERR "SSL generation failed: could not find $certtool or openssl in the PATH!";
79 } elsif ($tool eq 'gnutls' && !$has_gnutls) {
80 say STDERR "SSL generation failed: could not find '$certtool' in the PATH!";
82 } elsif ($tool eq 'openssl' && !$has_openssl) {
83 say STDERR 'SSL generation failed: could not find \'openssl\' in the PATH!';
87 # Output to the cwd unless an SSL directory is specified.
88 if (scalar @ARGV > 1 && !chdir $ARGV[1]) {
89 say STDERR "Unable to change the working directory to $ARGV[1]: $!.";
93 # Harvest information needed to generate the certificate.
94 my $common_name = prompt('What is the hostname of your server?', 'irc.example.com');
95 my $email = prompt('What email address can you be contacted at?', 'example@example.com');
96 my $unit = prompt('What is the name of your unit?', 'Server Admins');
97 my $organization = prompt('What is the name of your organization?', 'Example IRC Network');
98 my $city = prompt('What city are you located in?', 'Example City');
99 my $state = prompt('What state are you located in?', 'Example State');
100 my $country = prompt('What is the ISO 3166-1 code for the country you are located in?', 'XZ');
101 my $days = prompt('How many days do you want your certificate to be valid for?', '365');
103 # Contains the exit code of openssl/gnutls-certtool.
106 if ($tool eq 'gnutls') {
107 $has_gnutls =~ /certtool.+?(\d+\.\d+)/;
108 my $sec_param = $1 lt '2.10' ? '--bits 2048' : '--sec-param normal';
109 my $tmp = new File::Temp();
110 print $tmp <<__GNUTLS_END__;
114 organization = "$organization"
118 expiration_days = $days
130 $status ||= system "$certtool --generate-privkey $sec_param --outfile key.pem";
131 $status ||= system "$certtool --generate-self-signed --load-privkey key.pem --outfile cert.pem --template $tmp";
132 $status ||= system "$certtool --generate-request --load-privkey key.pem --outfile csr.pem --template $tmp";
133 $status ||= system "$certtool --generate-dh-params $sec_param --outfile dhparams.pem";
134 } elsif ($tool eq 'openssl') {
135 my $tmp = new File::Temp();
136 print $tmp <<__OPENSSL_END__;
148 $status ||= system "cat $tmp | openssl req -x509 -nodes -newkey rsa:2048 -keyout key.pem -out cert.pem -days $days 2>/dev/null";
149 $status ||= system "cat $tmp | openssl req -new -nodes -key key.pem -out csr.pem 2>/dev/null";
150 $status ||= system 'openssl dhparam -out dhparams.pem 2048';
154 say STDERR "SSL generation failed: $tool exited with a non-zero status!";