diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/ndpi_utils.c | 10 |
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(""); } /* ***************************************************** */ |