+ int i;
+
+ if (src == NULL) {
+ *dst = NULL;
+ return 1;
+ }
+
+ if ((sk = sk_X509_NAME_new_null()) == NULL)
+ return 0;
+ for (i = 0; i < sk_X509_NAME_num(src); i++) {
+ xn = X509_NAME_dup(sk_X509_NAME_value(src, i));
+ if (xn == NULL) {
+ sk_X509_NAME_pop_free(sk, X509_NAME_free);
+ return 0;
+ }
+ if (sk_X509_NAME_insert(sk, xn, i) == 0) {
+ X509_NAME_free(xn);
+ sk_X509_NAME_pop_free(sk, X509_NAME_free);
+ return 0;
+ }
+ }
+ *dst = sk;
+
+ return 1;
+}
+
+SSL *SSL_dup(SSL *s)
+{