1 files changed, 69 insertions, 0 deletions
diff --git a/lib/crypto/gnutls_error.c b/lib/crypto/gnutls_error.c
new file mode 100644
index 00000000000..9e124c20c68
--- /dev/null
+++ b/lib/crypto/gnutls_error.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2019      Andreas Schneider <asn@samba.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "gnutls_helpers.h"
+
+#include <gnutls/gnutls.h>
+
+NTSTATUS _gnutls_error_to_ntstatus(int gnutls_rc,
+				   NTSTATUS blocked_status,
+				   const char *function,
+				   const char *location)
+{
+	NTSTATUS status;
+
+	if (gnutls_rc == GNUTLS_E_SUCCESS) {
+		return NT_STATUS_OK;
+	}
+
+	switch (gnutls_rc) {
+	case GNUTLS_E_UNWANTED_ALGORITHM:
+		status = blocked_status;
+		break;
+	case GNUTLS_E_MEMORY_ERROR:
+		status = NT_STATUS_NO_MEMORY;
+		break;
+	case GNUTLS_E_INVALID_REQUEST:
+		status = NT_STATUS_INVALID_VARIANT;
+		break;
+	case GNUTLS_E_DECRYPTION_FAILED:
+		status = NT_STATUS_DECRYPTION_FAILED;
+		break;
+	case GNUTLS_E_ENCRYPTION_FAILED:
+		status = NT_STATUS_ENCRYPTION_FAILED;
+		break;
+	case GNUTLS_E_SHORT_MEMORY_BUFFER:
+		status = NT_STATUS_INVALID_PARAMETER;
+		break;
+	case GNUTLS_E_BASE64_DECODING_ERROR:
+	case GNUTLS_E_HASH_FAILED:
+	case GNUTLS_E_LIB_IN_ERROR_STATE:
+	case GNUTLS_E_INTERNAL_ERROR:
+	default:
+		status = NT_STATUS_INTERNAL_ERROR;
+		break;
+	}
+
+	D_WARNING("%s: GNUTLS ERROR: %s, NTSTATUS: %s at %s\n",
+		  function,
+		  gnutls_strerror_name(gnutls_rc),
+		  nt_errstr(status),
+		  location);
+
+	return status;
+}