From 7b4bf37a44791fdd578e68e08adbcfa592380935 Mon Sep 17 00:00:00 2001
From: Thomas Glanzmann <thomas@glanzmann.de>
Date: Wed, 3 Aug 2016 08:20:16 +0200
Subject: mbedtls: set debug threshold to 4 (verbose) when MBEDTLS_DEBUG is
 defined

In order to make MBEDTLS_DEBUG work, the debug threshold must be unequal
to 0.  This patch also adds a comment how mbedtls must be compiled in
order to make debugging work, and explains the possible debug levels.
---
 lib/vtls/mbedtls.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib')

diff --git a/lib/vtls/mbedtls.c b/lib/vtls/mbedtls.c
index a1e7d2363..c04fc0385 100644
--- a/lib/vtls/mbedtls.c
+++ b/lib/vtls/mbedtls.c
@@ -420,7 +420,15 @@ mbed_connect_step1(struct connectdata *conn,
 #endif
 
 #ifdef MBEDTLS_DEBUG
+  /* In order to make that work in mbedtls MBEDTLS_DEBUG_C must be defined. */
   mbedtls_ssl_conf_dbg(&connssl->config, mbed_debug, data);
+  /* - 0 No debug
+   * - 1 Error
+   * - 2 State change
+   * - 3 Informational
+   * - 4 Verbose
+   */
+  mbedtls_debug_set_threshold(4);
 #endif
 
   connssl->connecting_state = ssl_connect_2;
-- 
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