diff options
| author | Luca Deri <deri@ntop.org> | 2023-04-28 23:08:54 +0200 |
|---|---|---|
| committer | Luca Deri <deri@ntop.org> | 2023-04-28 23:08:54 +0200 |
| commit | 6b803f48dc34fe69bcc257b66fa05cac510e35b9 (patch) | |
| tree | 7990d7d5ec28b11d8836f7bab56b42b42f93922f /src/lib/ndpi_main.c | |
| parent | 6e9dce357bc9bcd7adbfb5e7b2749329e2b6319c (diff) | |
Added missing check
Diffstat (limited to 'src/lib/ndpi_main.c')
| -rw-r--r-- | src/lib/ndpi_main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index 2f0dea90c..3a27ff740 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -7947,7 +7947,10 @@ ndpi_protocol ndpi_guess_undetected_protocol_v4(struct ndpi_detection_module_str return ret; if((proto == IPPROTO_TCP) || (proto == IPPROTO_UDP)) { - rc = ndpi_search_tcp_or_udp_raw(ndpi_str, flow, proto, shost, dhost); + if(shost && dhost) + rc = ndpi_search_tcp_or_udp_raw(ndpi_str, flow, proto, shost, dhost); + else + rc = NDPI_PROTOCOL_UNKNOWN; if(rc != NDPI_PROTOCOL_UNKNOWN) { ret.app_protocol = rc, |