From 8575a071133ef312686cbeb88daf6e5fdb38bb7c Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Mon, 31 Aug 2020 17:23:00 +0200
Subject: Added check for ndpi_ssl_version2str()
---
src/lib/ndpi_utils.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
(limited to 'src')
diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 5cd351ba9..cd72bf4f3 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -716,7 +716,9 @@ int ndpi_has_human_readeable_string(struct ndpi_detection_module_struct *ndpi_st
char* ndpi_ssl_version2str(struct ndpi_flow_struct *flow,
u_int16_t version, u_int8_t *unknown_tls_version) {
- *unknown_tls_version = 0;
+
+ if(unknown_tls_version)
+ *unknown_tls_version = 0;
switch(version) {
case 0x0300: return("SSLv3");
@@ -748,7 +750,8 @@ char* ndpi_ssl_version2str(struct ndpi_flow_struct *flow,
if((version >= 0x7f00) && (version <= 0x7fff))
return("TLSv1.3 (draft)");
- *unknown_tls_version = 1;
+ if(unknown_tls_version)
+ *unknown_tls_version = 1;
if(flow != NULL) {
snprintf(flow->protos.stun_ssl.ssl.ssl_version_str,
--
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