Implement missing initialize_copytopic/fix-initialize-copy

Implement initialize_copy for:

- OpenSSL::PKCS12
- OpenSSL::SSL::SSLSession
- OpenSSL::X509::Attribute
- OpenSSL::X509::Extension
- OpenSSL::X509::Name
- OpenSSL::X509::Revoked

Remove initialize_copy from:

- OpenSSL::SSL::SSLContext
- OpenSSL::SSL::SSLSocket
- OpenSSL::Engine
- OpenSSL::X509::Store
- OpenSSL::X509::StoreContext

[Bug #12381]

1 files changed, 6 insertions, 0 deletions

diff --git a/test/test_x509ext.rb b/test/test_x509ext.rb
index 99e2eda5..33989873 100644
--- a/test/test_x509ext.rb
+++ b/test/test_x509ext.rb
@@ -62,6 +62,12 @@ class OpenSSL::TestX509Extension < OpenSSL::TestCase
       %r{URI:ldap://ldap.example.com/cn=ca\?certificateRevocationList;binary},
       cdp.value)
   end
+
+  def test_dup
+    ext = OpenSSL::X509::Extension.new(@basic_constraints.to_der)
+    assert_equal(@basic_constraints.to_der, ext.to_der)
+    assert_equal(ext.to_der, ext.dup.to_der)
+  end
 end
 
 end