commit e65ce7862a40a9abbfda6ae374cb755033029a8d
author Hanno Becker <hanno.becker@arm.com> Mon May 22 14:47:48 2017 +0100
committer Hanno Becker <hanno.becker@arm.com> Tue Oct 10 16:02:36 2017 +0100
tree 1d2f4485cc9b6b2a7da29a6881c2d4db7fe60c1e
parent fbb0b701e4d6ee7c5cd30394ddde8cf1e4def5d7

Enhance debugging output in ssl_tls.c

Give a note on the debugging output on the following occasions:
(1) The timer expires in mbedtls_ssl_fetch_input
(2) There's more than one records within a single datagram

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 661ae70..759dca0 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -2294,7 +2294,10 @@
          * that will end up being dropped.
          */
         if( ssl_check_timer( ssl ) != 0 )
+        {
+            MBEDTLS_SSL_DEBUG_MSG( 2, ( "timer has expired" ) );
             ret = MBEDTLS_ERR_SSL_TIMEOUT;
+        }
         else
         {
             len = MBEDTLS_SSL_BUFFER_LEN - ( ssl->in_hdr - ssl->in_buf );
@@ -3921,7 +3924,13 @@
     /* Done reading this record, get ready for the next one */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+    {
         ssl->next_record_offset = ssl->in_msglen + mbedtls_ssl_hdr_len( ssl );
+        if( ssl->next_record_offset < ssl->in_left )
+        {
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "more than one record within datagram" ) );
+        }
+    }
     else
 #endif
         ssl->in_left = 0;