diff options
| author | Luca <deri@ntop.org> | 2020-01-15 20:49:21 -0700 |
|---|---|---|
| committer | Luca <deri@ntop.org> | 2020-01-15 20:49:21 -0700 |
| commit | 812505b56bb4508bc42e1615d6425ad26444d3f8 (patch) | |
| tree | 1b1fba2d72ef180ec8ebacffe7f8c7d8517e4052 /example/reader_util.c | |
| parent | 98d9f524f9ff7746d0345939fe543020f8057212 (diff) | |
Added sanity check
Diffstat (limited to 'example/reader_util.c')
| -rw-r--r-- | example/reader_util.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/example/reader_util.c b/example/reader_util.c index 1376f9b8d..8a6a0d637 100644 --- a/example/reader_util.c +++ b/example/reader_util.c @@ -1424,6 +1424,9 @@ struct ndpi_proto ndpi_workflow_process_packet(struct ndpi_workflow * workflow, datalink_type = (int)pcap_datalink(workflow->pcap_handle); #endif + if(header->caplen < 40) + return(nproto); /* Too short */ + datalink_check: switch(datalink_type) { case DLT_NULL: @@ -1587,7 +1590,8 @@ ether_type_check: if(cap_warning_used == 0) { if(!workflow->prefs.quiet_mode) - NDPI_LOG(0, workflow->ndpi_struct, NDPI_LOG_DEBUG, "\n\nWARNING: packet capture size is smaller than packet size, DETECTION MIGHT NOT WORK CORRECTLY\n\n"); + NDPI_LOG(0, workflow->ndpi_struct, NDPI_LOG_DEBUG, + "\n\nWARNING: packet capture size is smaller than packet size, DETECTION MIGHT NOT WORK CORRECTLY\n\n"); cap_warning_used = 1; } } |