File search-certs-by-label.patch of Package engine_pkcs11

--- engine_pkcs11-0.1.6/src/engine_pkcs11.c
+++ engine_pkcs11-0.1.6/src/engine_pkcs11.c
@@ -492,7 +492,17 @@
 		fprintf(stderr, "Found %u cert%s:\n", cert_count,
 			(cert_count <= 1) ? "" : "s");
 	}
-	if ((s_slot_cert_id && *s_slot_cert_id) || (cert_id_len == 0)) {
+
+	if (cert_label) {
+		for (n = 0; n < cert_count; n++) {
+			PKCS11_CERT *k = certs + n;
+
+			if (k->label && strcmp (k->label, cert_label))
+				selected_cert = k;
+		}
+
+		free(cert_label);
+	} else if ((s_slot_cert_id && *s_slot_cert_id) || (cert_id_len == 0)) {
 		for (n = 0; n < cert_count; n++) {
 			PKCS11_CERT *k = certs + n;
 
@@ -512,8 +522,6 @@
 	}
 
 	x509 = X509_dup(selected_cert->x509);
-	if (cert_label != NULL)
-		free(cert_label);
 	return x509;
 }