CryptoPkg: Extend TLS handshake debug output

The error codes during TLS handshake errors are sometimes
not enough to understand the root cause of the problem.
Extending the debug output by the function and optional data helps
in some cases.

Signed-off-by: Sebastian Witt <sebastian.witt@siemens.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/CryptoPkg/Library/TlsLib/TlsProcess.c b/CryptoPkg/Library/TlsLib/TlsProcess.c
index 1b712cd452..17aeff1c37 100644
--- a/CryptoPkg/Library/TlsLib/TlsProcess.c
+++ b/CryptoPkg/Library/TlsLib/TlsProcess.c
@@ -133,19 +133,23 @@ TlsDoHandshake (
       DEBUG_CODE_BEGIN ();

       while (TRUE) {

         unsigned long  ErrorCode;

+        const char     *Func;

+        const char     *Data;

 

-        ErrorCode = ERR_get_error ();

+        ErrorCode = ERR_get_error_all (NULL, NULL, &Func, &Data, NULL);

         if (ErrorCode == 0) {

           break;

         }

 

         DEBUG ((

           DEBUG_ERROR,

-          "%a ERROR 0x%x=L%x:R%x\n",

+          "%a ERROR 0x%x=L%x:R%x %a(): %a\n",

           __func__,

           ErrorCode,

           ERR_GET_LIB (ErrorCode),

-          ERR_GET_REASON (ErrorCode)

+          ERR_GET_REASON (ErrorCode),

+          Func,

+          Data

           ));

       }