X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_nconf(&ctx2, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_nconf(&ctx2, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;