X509V3_CTX ctx2;
X509_set_version(x,2); /* version 3 certificate */
X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_conf_lhash(&ctx2, conf);
X509V3_CTX ctx2;
X509_set_version(x,2); /* version 3 certificate */
X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_conf_lhash(&ctx2, conf);