OpenSSL :: SSL :: SSLContext SNI servername_cb不工作

Question

正如在OpenSSL :: X509 ::证书显示错误域证书中所引用的那样,我需要使用TLSv1或更高版本以及 服务器名称指示扩展.

即使使用ssl_version和servername_cb设置SSLContext,我仍然得到错误的证书myproair.com.

  begin 
    timeout(1) do
      tcp_client = TCPSocket.new("#{instance["domain"]}", 443)
      ssl_context = OpenSSL::SSL::SSLContext.new()
      ssl_context.ssl_version = :TLSv1
      ssl_context.servername_cb = "https://#{instance["domain"]}"
      ssl_client = OpenSSL::SSL::SSLSocket.new(tcp_client, ssl_context)
      ssl_client.connect
      cert = OpenSSL::X509::Certificate.new(ssl_client.peer_cert)
      ssl_client.sysclose
      tcp_client.close
      #http://ruby-doc.org/stdlib-2.0/libdoc/openssl/rdoc/OpenSSL/X509/Certificate.html
      date = Date.parse((cert.not_after).to_s)
      row.push("#{date.strftime('%F')} #{cert.signature_algorithm} #{cert.subject.to_a.select{|name, _, _| name == 'CN' }.first[1]}".downcase.ljust(57))
    end
  rescue SocketError
    row.push("down".ljust(57))
  rescue Errno::ECONNREFUSED
    row.push("connection refused".ljust(57))
  rescue Errno::ECONNRESET
    row.push("connection reset".ljust(57))
  rescue Timeout::Error
    row.push("no 443 listener".ljust(57))
  rescue OpenSSL::SSL::SSLError
    row.push("bad certificate - ssl error".ljust(57))
  rescue Exception => ex
    row.push("error: #{ex.class} #{ex.message}".ljust(57))
  end

如何在OS X上的Ruby 2.0中设置服务器名称？

---

$ ruby --version
ruby 2.0.0p481 (2014-05-08 revision 45883) [universal.x86_64-darwin14]

$ openssl version
OpenSSL 0.9.8zc 15 Oct 2014

Answer 1

当然,您对OpenSSL :: SSLSocket 使用未记录的 'hostname'方法!

tcp_client = TCPSocket.new("#{instance["domain"]}", 443)
ssl_context = OpenSSL::SSL::SSLContext.new()
ssl_context.ssl_version = :TLSv1
ssl_client = OpenSSL::SSL::SSLSocket.new(tcp_client, ssl_context)
ssl_client.hostname = instance["domain"]
ssl_client.connect
cert = OpenSSL::X509::Certificate.new(ssl_client.peer_cert)
ssl_client.sysclose
tcp_client.close

我在编写具有类似目标的代码时发现了这一点.