From 5ed5b2e5685fb06b6e73f3c468962ea7758029b0 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Thu, 24 Nov 2016 09:49:13 +0100
Subject: errors.h: added _gnutls_cert_log

This log function allows to easily log the name of a certificate.
---
 lib/errors.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/errors.h b/lib/errors.h
index e14a4df586..78b89123e4 100644
--- a/lib/errors.h
+++ b/lib/errors.h
@@ -26,6 +26,7 @@
 #include "gnutls_int.h"
 #include <global.h>
 #include <mpi.h>
+#include <gnutls/x509.h>
 
 #define GNUTLS_E_INT_RET_0 -1251
 #define GNUTLS_E_INT_CHECK_AGAIN -1252
@@ -58,6 +59,18 @@ void _gnutls_audit_log(gnutls_session_t, const char *fmt, ...)
 
 void _gnutls_mpi_log(const char *prefix, bigint_t a);
 
+#define _gnutls_cert_log(str, cert) \
+	do { \
+		if (unlikely(_gnutls_log_level >= 3)) { \
+			gnutls_datum_t _cl_out; int _cl_ret; \
+			_cl_ret = gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_ONELINE, &_cl_out); \
+			if (_cl_ret >= 0) { \
+				_gnutls_log( 3, "%s: %s\n", str, _cl_out.data); \
+				gnutls_free(_cl_out.data); \
+	                } \
+		} \
+        } while(0)
+
 #ifdef C99_MACROS
 #define LEVEL(l, ...) do { if (unlikely(_gnutls_log_level >= l)) \
       _gnutls_log( l, __VA_ARGS__); } while(0)
-- 
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