1 files changed, 134 insertions, 0 deletions
diff --git a/lib/debug.c b/lib/debug.c
new file mode 100644
index 0000000..991f7a7
--- /dev/null
+++ b/lib/debug.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2001-2012 Free Software Foundation, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#include "gnutls_int.h"
+#include "errors.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "debug.h"
+#include <mpi.h>
+
+#ifdef DEBUG
+void _gnutls_dump_mpi(const char *prefix, bigint_t a)
+{
+	char buf[400];
+	char buf_hex[2 * sizeof(buf) + 1];
+	size_t n = sizeof buf;
+
+	if (_gnutls_mpi_print(a, buf, &n))
+		strcpy(buf, "[can't print value]");	/* Flawfinder: ignore */
+	_gnutls_debug_log("MPI: length: %d\n\t%s%s\n", (int) n, prefix,
+			  _gnutls_bin2hex(buf, n, buf_hex, sizeof(buf_hex),
+					  NULL));
+}
+
+void
+_gnutls_dump_vector(const char *prefix, const uint8_t * a, size_t a_size)
+{
+	char buf_hex[2 * a_size + 1];
+
+	_gnutls_debug_log("Vector: length: %d\n\t%s%s\n", (int) a_size,
+			  prefix, _gnutls_bin2hex(a, a_size, buf_hex,
+						  sizeof(buf_hex), NULL));
+}
+#endif
+
+const char *_gnutls_packet2str(content_type_t packet)
+{
+	switch (packet) {
+	case GNUTLS_CHANGE_CIPHER_SPEC:
+		return "ChangeCipherSpec";
+	case GNUTLS_ALERT:
+		return "Alert";
+	case GNUTLS_HANDSHAKE:
+		return "Handshake";
+	case GNUTLS_APPLICATION_DATA:
+		return "Application Data";
+	case GNUTLS_HEARTBEAT:
+		return "HeartBeat";
+	default:
+		return "Unknown Packet";
+	}
+}
+
+/**
+ * gnutls_handshake_description_get_name:
+ * @type: is a handshake message description
+ *
+ * Convert a #gnutls_handshake_description_t value to a string.
+ *
+ * Returns: a string that contains the name of the specified handshake
+ *   message or %NULL.
+ **/
+const char
+    *gnutls_handshake_description_get_name(gnutls_handshake_description_t
+					   type)
+{
+	switch (type) {
+	case GNUTLS_HANDSHAKE_END_OF_EARLY_DATA:
+		return "END OF EARLY DATA";
+	case GNUTLS_HANDSHAKE_HELLO_RETRY_REQUEST:
+		return "HELLO RETRY REQUEST";
+	case GNUTLS_HANDSHAKE_HELLO_REQUEST:
+		return "HELLO REQUEST";
+	case GNUTLS_HANDSHAKE_CLIENT_HELLO:
+		return "CLIENT HELLO";
+#ifdef ENABLE_SSL2
+	case GNUTLS_HANDSHAKE_CLIENT_HELLO_V2:
+		return "SSL2 CLIENT HELLO";
+#endif
+	case GNUTLS_HANDSHAKE_SERVER_HELLO:
+		return "SERVER HELLO";
+	case GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST:
+		return "HELLO VERIFY REQUEST";
+	case GNUTLS_HANDSHAKE_CERTIFICATE_PKT:
+		return "CERTIFICATE";
+	case GNUTLS_HANDSHAKE_ENCRYPTED_EXTENSIONS:
+		return "ENCRYPTED EXTENSIONS";
+	case GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE:
+		return "SERVER KEY EXCHANGE";
+	case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST:
+		return "CERTIFICATE REQUEST";
+	case GNUTLS_HANDSHAKE_SERVER_HELLO_DONE:
+		return "SERVER HELLO DONE";
+	case GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY:
+		return "CERTIFICATE VERIFY";
+	case GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE:
+		return "CLIENT KEY EXCHANGE";
+	case GNUTLS_HANDSHAKE_FINISHED:
+		return "FINISHED";
+	case GNUTLS_HANDSHAKE_KEY_UPDATE:
+		return "KEY_UPDATE";
+	case GNUTLS_HANDSHAKE_COMPRESSED_CERTIFICATE_PKT:
+		return "COMPRESSED CERTIFICATE";
+	case GNUTLS_HANDSHAKE_SUPPLEMENTAL:
+		return "SUPPLEMENTAL";
+	case GNUTLS_HANDSHAKE_CERTIFICATE_STATUS:
+		return "CERTIFICATE STATUS";
+	case GNUTLS_HANDSHAKE_NEW_SESSION_TICKET:
+		return "NEW SESSION TICKET";
+	case GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC:
+		return "CHANGE CIPHER SPEC";
+	default:
+		return "Unknown Handshake packet";
+	}
+}