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authorLuca Deri <deri@ntop.org>2020-07-13 15:46:19 +0200
committerLuca Deri <deri@ntop.org>2020-07-13 15:46:19 +0200
commita8ad99aca53791ff5dde5ae66d774ef612c1e77c (patch)
treed960e165a1b36961fd18a33d52506bf111e77a87 /src/lib/ndpi_utils.c
parent802254327a71cc3103784579911db86b12d3918e (diff)
Fixed makefile error message
Code hardedning fix
Diffstat (limited to 'src/lib/ndpi_utils.c')
-rw-r--r--src/lib/ndpi_utils.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 50cf1099f..b1a2514dd 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -749,10 +749,14 @@ char* ndpi_ssl_version2str(struct ndpi_flow_struct *flow,
return("TLSv1.3 (draft)");
*unknown_tls_version = 1;
- snprintf(flow->protos.stun_ssl.ssl.ssl_version_str,
- sizeof(flow->protos.stun_ssl.ssl.ssl_version_str), "TLS (%04X)", version);
- return(flow->protos.stun_ssl.ssl.ssl_version_str);
+ if(flow != NULL) {
+ snprintf(flow->protos.stun_ssl.ssl.ssl_version_str,
+ sizeof(flow->protos.stun_ssl.ssl.ssl_version_str), "TLS (%04X)", version);
+
+ return(flow->protos.stun_ssl.ssl.ssl_version_str);
+ } else
+ return("");
}
/* ***************************************************** */