ssl/tls1.c: Hack: dump record size on hitting SSL_ERROR_RECORD_OVERFLOW.

This is MicroPython-specific hack to allow to easier understand why TLS conenction doesn't work with some sites on low-heap systems (where TLS record buffer size is set to far less than default 16K).
pfalcon · Jun 13, 2017 · 9b3092e · 9b3092e · pfalcon · Jun 13, 2017
1 parent cf3c042
commit 9b3092e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ssl/tls1.c b/ssl/tls1.c
@@ -1354,6 +1354,7 @@ int basic_read(SSL *ssl, uint8_t **in_data)
         /* do we violate the spec with the message size?  */
         if (ssl->need_bytes > RT_MAX_PLAIN_LENGTH+RT_EXTRA-BM_RECORD_OFFSET)
         {
+            printf("TLS buffer overflow, record size: %u (+5)\n", ssl->need_bytes);
             ret = SSL_ERROR_RECORD_OVERFLOW;              
             goto error;
         }