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cryptcheck/bin/tls_server.rb

123 lines
4.0 KiB

#!/usr/bin/env ruby
$:.unshift File.expand_path File.join File.dirname(__FILE__), '../lib'
require 'rubygems'
require 'bundler/setup'
require 'openssl'
require 'socket'
require 'cryptcheck'
::CryptCheck::Logger.level = ENV['LOG'] || :info
OpenSSL::PKey::EC.send :alias_method, :private?, :private_key?
# [512, 768, 1024, 2048, 3072, 4096].each do |s|
# file = "config/rsa-#{s}.pem"
# unless File.exists? file
# puts :rsa, s
# dh = OpenSSL::PKey::RSA.new s
# File.write file, dh.to_pem
# end
#
# file = "config/dh-#{s}.pem"
# unless File.exists? file
# puts :dh, s
# dh = OpenSSL::PKey::DH.new s
# File.write file, dh.to_pem
# end
# end
# exit
def certificate(key)
CryptCheck::Logger.info 'Generating certificate'
cert = OpenSSL::X509::Certificate.new
cert.version = 2
cert.serial = rand 2**(20*8-1) .. 2**(20*8)
cert.not_before = Time.now
cert.not_after = Time.now + 365*24*60*60
cert.public_key = case key
when OpenSSL::PKey::EC
curve = key.group.curve_name
public = OpenSSL::PKey::EC.new curve
public.public_key = key.public_key
public
else
key.public_key
end
name = OpenSSL::X509::Name.parse 'CN=localhost'
cert.subject = name
cert.issuer = name
extension_factory = OpenSSL::X509::ExtensionFactory.new nil, cert
extension_factory.subject_certificate = cert
extension_factory.issuer_certificate = cert
cert.add_extension extension_factory.create_extension 'basicConstraints', 'CA:TRUE', true
cert.add_extension extension_factory.create_extension 'keyUsage', 'keyEncipherment, dataEncipherment, digitalSignature,nonRepudiation,keyCertSign'
cert.add_extension extension_factory.create_extension 'extendedKeyUsage', 'serverAuth, clientAuth'
cert.add_extension extension_factory.create_extension 'subjectKeyIdentifier', 'hash'
cert.add_extension extension_factory.create_extension 'authorityKeyIdentifier', 'keyid:always'
cert.add_extension extension_factory.create_extension 'subjectAltName', 'DNS:localhost'
cert.add_extension OpenSSL::X509::Extension.new '1.3.6.1.5.5.7.1.24', '0', true
cert.sign key, OpenSSL::Digest::SHA512.new
CryptCheck::Logger.info 'Certificate generated'
cert
end
key = OpenSSL::PKey::RSA.new File.read 'config/rsa-2048.pem'
#key = OpenSSL::PKey::EC.new('secp521r1').generate_key
cert = certificate key
CryptCheck::Logger.info 'Starting server'
context = OpenSSL::SSL::SSLContext.new
#context = OpenSSL::SSL::SSLContext.new :SSLv3
#context = OpenSSL::SSL::SSLContext.new :TLSv1_1
context.cert = cert
context.key = key
context.ciphers = ARGV[0] || 'ECDHE+AESGCM'
dh = OpenSSL::PKey::DH.new File.read 'config/dh-4096.pem'
context.tmp_dh_callback = proc { dh }
#context.ecdh_curves = CryptCheck::Tls::Server::SUPPORTED_CURVES.join ':'
#context.ecdh_curves = 'secp384r1:secp521r1:sect571r1'
context.ecdh_curves = 'secp384r1'
#ecdh = OpenSSL::PKey::EC.new('secp384r1').generate_key
#context.tmp_ecdh_callback = proc { ecdh }
host, port = '::', 5000
tcp_server = TCPServer.new host, port
tls_server = OpenSSL::SSL::SSLServer.new tcp_server, context
::CryptCheck::Logger.info "Server started on #{host}:#{port}"
loop do
begin
connection = tls_server.accept
method = connection.ssl_version
dh = connection.tmp_key
cipher = connection.cipher
cipher = CryptCheck::Tls::Cipher.new method, cipher, dh
states = cipher.states
text = %i(critical error warning good perfect best).collect do |s|
states[s].collect { |t| t.to_s.colorize s }.join ' '
end.reject &:empty?
text = text.join ' '
dh = dh ? " (#{'PFS'.colorize :good} : #{CryptCheck::Tls.key_to_s dh})" : ''
CryptCheck::Logger.info { "#{CryptCheck::Tls.colorize method} / #{cipher.colorize}#{dh} [#{text}]" }
data = connection.gets
if data
CryptCheck::Logger.info data
end
connection.puts 'HTTP/1.1 200 OK'
connection.puts 'Strict-Transport-Security: max-age=31536000'
connection.close
rescue OpenSSL::SSL::SSLError, SystemCallError
end
end