Methods
#
A
C
N
S
Constants
DEFAULT = { :SSLCertificate => nil, :SSLPrivateKey => nil, :SSLClientCA => nil, :SSLCACertificatePath => nil, :SSLCACertificateFile => nil, :SSLVerifyMode => ::OpenSSL::SSL::VERIFY_NONE, :SSLVerifyDepth => nil, :SSLVerifyCallback => nil, # custom verification :SSLCertificateStore => nil, # Must specify if you use auto generated certificate. :SSLCertName => nil, # e.g. [["CN","fqdn.example.com"]] :SSLCertComment => "Generated by Ruby/OpenSSL" }
 
Class Public methods
new(config)
# File ../ruby/lib/drb/ssl.rb, line 27
def initialize(config)
  @config  = config
  @cert    = config[:SSLCertificate]
  @pkey    = config[:SSLPrivateKey]
  @ssl_ctx = nil
end
Instance Public methods
[](key)
# File ../ruby/lib/drb/ssl.rb, line 34
def [](key);
  @config[key] || DEFAULT[key]
end
accept(tcp)
# File ../ruby/lib/drb/ssl.rb, line 45
def accept(tcp)
  ssl = OpenSSL::SSL::SSLSocket.new(tcp, @ssl_ctx)
  ssl.sync = true
  ssl.accept
  ssl
end
connect(tcp)
# File ../ruby/lib/drb/ssl.rb, line 38
def connect(tcp)
  ssl = ::OpenSSL::SSL::SSLSocket.new(tcp, @ssl_ctx)
  ssl.sync = true
  ssl.connect
  ssl
end
setup_certificate()
# File ../ruby/lib/drb/ssl.rb, line 52
def setup_certificate
  if @cert && @pkey
    return
  end

  rsa = OpenSSL::PKey::RSA.new(1024){|p, n|
    next unless self[:verbose]
    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 = 3
  cert.serial = 0
  name = OpenSSL::X509::Name.new(self[:SSLCertName])
  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)
  cert.extensions = [
    ef.create_extension("basicConstraints","CA:FALSE"),
    ef.create_extension("subjectKeyIdentifier", "hash") ]
  ef.issuer_certificate = cert
  cert.add_extension(ef.create_extension("authorityKeyIdentifier",
                                         "keyid:always,issuer:always"))
  if comment = self[:SSLCertComment]
    cert.add_extension(ef.create_extension("nsComment", comment))
  end
  cert.sign(rsa, OpenSSL::Digest::SHA1.new)

  @cert = cert
  @pkey = rsa
end
setup_ssl_context()
# File ../ruby/lib/drb/ssl.rb, line 97
def setup_ssl_context
  ctx = ::OpenSSL::SSL::SSLContext.new
  ctx.cert            = @cert
  ctx.key             = @pkey
  ctx.client_ca       = self[:SSLClientCA]
  ctx.ca_path         = self[:SSLCACertificatePath]
  ctx.ca_file         = self[:SSLCACertificateFile]
  ctx.verify_mode     = self[:SSLVerifyMode]
  ctx.verify_depth    = self[:SSLVerifyDepth]
  ctx.verify_callback = self[:SSLVerifyCallback]
  ctx.cert_store      = self[:SSLCertificateStore]
  @ssl_ctx = ctx
end