# # ssl.rb -- SSL/TLS enhancement for GenericServer # # Copyright (c) 2003 GOTOU Yuuzou All rights reserved. # # $Id: ssl.rb 38945 2013-01-26 01:12:54Z drbrain $ require 'webrick' require 'openssl' module WEBrick module Config svrsoft = General[:ServerSoftware] osslv = ::OpenSSL::OPENSSL_VERSION.split[1] ## # Default SSL server configuration. # # WEBrick can automatically create a self-signed certificate if # <code>:SSLCertName</code> is set. For more information on the various # SSL options see OpenSSL::SSL::SSLContext. # # :ServerSoftware :: # The server software name used in the Server: header. # :SSLEnable :: false, # Enable SSL for this server. Defaults to false. # :SSLCertificate :: # The SSL certificate for the server. # :SSLPrivateKey :: # The SSL private key for the server certificate. # :SSLClientCA :: nil, # Array of certificates that will be sent to the client. # :SSLExtraChainCert :: nil, # Array of certificates that willbe added to the certificate chain # :SSLCACertificateFile :: nil, # Path to a CA certificate file # :SSLCACertificatePath :: nil, # Path to a directory containing CA certificates # :SSLCertificateStore :: nil, # OpenSSL::X509::Store used for certificate validation of the client # :SSLTmpDhCallback :: nil, # Callback invoked when DH parameters are required. # :SSLVerifyClient :: # Sets whether the client is verified. This defaults to VERIFY_NONE # which is typical for an HTTPS server. # :SSLVerifyDepth :: # Number of CA certificates to walk when verifying a certificate chain # :SSLVerifyCallback :: # Custom certificate verification callback # :SSLTimeout :: # Maximum session lifetime # :SSLOptions :: # Various SSL options # :SSLStartImmediately :: # Immediately start SSL upon connection? Defaults to true # :SSLCertName :: # SSL certificate name. Must be set to enable automatic certificate # creation. # :SSLCertComment :: # Comment used during automatic certificate creation. SSL = { :ServerSoftware => "#{svrsoft} OpenSSL/#{osslv}", :SSLEnable => false, :SSLCertificate => nil, :SSLPrivateKey => nil, :SSLClientCA => nil, :SSLExtraChainCert => nil, :SSLCACertificateFile => nil, :SSLCACertificatePath => nil, :SSLCertificateStore => nil, :SSLTmpDhCallback => nil, :SSLVerifyClient => ::OpenSSL::SSL::VERIFY_NONE, :SSLVerifyDepth => nil, :SSLVerifyCallback => nil, # custom verification :SSLTimeout => nil, :SSLOptions => nil, :SSLStartImmediately => true, # Must specify if you use auto generated certificate. :SSLCertName => nil, :SSLCertComment => "Generated by Ruby/OpenSSL" } General.update(SSL) end module Utils ## # Creates a self-signed certificate with the given number of +bits+, # the issuer +cn+ and a +comment+ to be stored in the certificate. def create_self_signed_cert(bits, cn, comment) rsa = OpenSSL::PKey::RSA.new(bits){|p, n| case p when 0; $stderr.putc "." # BN_generate_prime when 1; $stderr.putc "+" # BN_generate_prime when 2; $stderr.putc "*" # searching good prime, # n = #of try, # but also data from BN_generate_prime when 3; $stderr.putc "\n" # found good prime, n==0 - p, n==1 - q, # but also data from BN_generate_prime else; $stderr.putc "*" # BN_generate_prime end } cert = OpenSSL::X509::Certificate.new cert.version = 2 cert.serial = 1 name = OpenSSL::X509::Name.new(cn) cert.subject = name cert.issuer = name cert.not_before = Time.now cert.not_after = Time.now + (365*24*60*60) cert.public_key = rsa.public_key ef = OpenSSL::X509::ExtensionFactory.new(nil,cert) ef.issuer_certificate = cert cert.extensions = [ ef.create_extension("basicConstraints","CA:FALSE"), ef.create_extension("keyUsage", "keyEncipherment"), ef.create_extension("subjectKeyIdentifier", "hash"), ef.create_extension("extendedKeyUsage", "serverAuth"), ef.create_extension("nsComment", comment), ] aki = ef.create_extension("authorityKeyIdentifier", "keyid:always,issuer:always") cert.add_extension(aki) cert.sign(rsa, OpenSSL::Digest::SHA1.new) return [ cert, rsa ] end module_function :create_self_signed_cert end ## #-- # Updates WEBrick::GenericServer with SSL functionality class GenericServer ## # SSL context for the server when run in SSL mode def ssl_context # :nodoc: @ssl_context ||= nil end undef listen ## # Updates +listen+ to enable SSL when the SSL configuration is active. def listen(address, port) # :nodoc: listeners = Utils::create_listeners(address, port, @logger) if @config[:SSLEnable] unless ssl_context @ssl_context = setup_ssl_context(@config) @logger.info("\n" + @config[:SSLCertificate].to_text) end listeners.collect!{|svr| ssvr = ::OpenSSL::SSL::SSLServer.new(svr, ssl_context) ssvr.start_immediately = @config[:SSLStartImmediately] ssvr } end @listeners += listeners end ## # Sets up an SSL context for +config+ def setup_ssl_context(config) # :nodoc: unless config[:SSLCertificate] cn = config[:SSLCertName] comment = config[:SSLCertComment] cert, key = Utils::create_self_signed_cert(1024, cn, comment) config[:SSLCertificate] = cert config[:SSLPrivateKey] = key end ctx = OpenSSL::SSL::SSLContext.new ctx.key = config[:SSLPrivateKey] ctx.cert = config[:SSLCertificate] ctx.client_ca = config[:SSLClientCA] ctx.extra_chain_cert = config[:SSLExtraChainCert] ctx.ca_file = config[:SSLCACertificateFile] ctx.ca_path = config[:SSLCACertificatePath] ctx.cert_store = config[:SSLCertificateStore] ctx.tmp_dh_callback = config[:SSLTmpDhCallback] ctx.verify_mode = config[:SSLVerifyClient] ctx.verify_depth = config[:SSLVerifyDepth] ctx.verify_callback = config[:SSLVerifyCallback] ctx.timeout = config[:SSLTimeout] ctx.options = config[:SSLOptions] ctx end end end

💾 SAVE CHANGES CANCEL