OpenSSL::X509::ExtensionFactory.new

static VALUE
ossl_x509extfactory_initialize(int argc, VALUE *argv, VALUE self)
{
    /*X509V3_CTX *ctx;*/
    VALUE issuer_cert, subject_cert, subject_req, crl;

    /*GetX509ExtFactory(self, ctx);*/

    rb_scan_args(argc, argv, "04",
                 &issuer_cert, &subject_cert, &subject_req, &crl);
    if (!NIL_P(issuer_cert))
        ossl_x509extfactory_set_issuer_cert(self, issuer_cert);
    if (!NIL_P(subject_cert))
        ossl_x509extfactory_set_subject_cert(self, subject_cert);
    if (!NIL_P(subject_req))
        ossl_x509extfactory_set_subject_req(self, subject_req);
    if (!NIL_P(crl))
        ossl_x509extfactory_set_crl(self, crl);

    return self;
}