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, 20 insertions, 0 deletions

diff --git a/ext/openssl/ossl_x509attr.c b/ext/openssl/ossl_x509attr.c
index fc1690ce..6b7f9da4 100644
--- a/ext/openssl/ossl_x509attr.c
+++ b/ext/openssl/ossl_x509attr.c
@@ -130,6 +130,25 @@ ossl_x509attr_initialize(int argc, VALUE *argv, VALUE self)
     return self;
 }
 
+static VALUE
+ossl_x509attr_initialize_copy(VALUE self, VALUE other)
+{
+    X509_ATTRIBUTE *attr, *attr_other, *attr_new;
+
+    rb_check_frozen(self);
+    GetX509Attr(self, attr);
+    SafeGetX509Attr(other, attr_other);
+
+    attr_new = X509_ATTRIBUTE_dup(attr_other);
+    if (!attr_new)
+	ossl_raise(eX509AttrError, "X509_ATTRIBUTE_dup");
+
+    SetX509Attr(self, attr_new);
+    X509_ATTRIBUTE_free(attr);
+
+    return self;
+}
+
 /*
  * call-seq:
  *    attr.oid = string => string
@@ -300,6 +319,7 @@ Init_ossl_x509attr(void)
     cX509Attr = rb_define_class_under(mX509, "Attribute", rb_cObject);
     rb_define_alloc_func(cX509Attr, ossl_x509attr_alloc);
     rb_define_method(cX509Attr, "initialize", ossl_x509attr_initialize, -1);
+    rb_define_copy_func(cX509Attr, ossl_x509attr_initialize_copy);
     rb_define_method(cX509Attr, "oid=", ossl_x509attr_set_oid, 1);
     rb_define_method(cX509Attr, "oid", ossl_x509attr_get_oid, 0);
     rb_define_method(cX509Attr, "value=", ossl_x509attr_set_value, 1);