exclude SSLv2 in reported METHODS (we're now all fine to close jruby/jruby#1874)

Author: kares

src/main/java/org/jruby/ext/openssl/SSLContext.java

@@ -172,6 +172,9 @@ public static void createSSLContext(final Ruby runtime, final RubyModule SSL) {
         final Set<String> methodKeys = SSL_VERSION_OSSL2JSSE.keySet();
         final RubyArray methods = runtime.newArray( methodKeys.size() );
         for ( final String method : methodKeys ) {
+            if ( method.equals("SSLv2") || method.startsWith("SSLv2_") ) {
+                continue; // do not report SSLv2, SSLv2_server, SSLv2_client
+            }
             if ( method.indexOf('.') == -1 ) {
                 // do not "officially" report TLSv1.1 and TLSv1.2
                 methods.append( runtime.newSymbol(method) );

src/test/ruby/ssl/test_context.rb

@@ -6,9 +6,12 @@ class TestSSLContext < TestCase
 
   def test_methods
     methods = OpenSSL::SSL::SSLContext::METHODS
-    assert methods.include?(:'SSLv3')
+    assert methods.include?(:SSLv3)
     assert methods.include?(:'TLSv1_1')
     assert ! methods.include?(:'TLSv1.1')
+
+    assert ! methods.include?(:SSLv2)
+    assert ! methods.include?(:SSLv2_client)
   end
 
   def test_context_new