diff options
Diffstat (limited to 'src/lib/protocols')
| -rw-r--r-- | src/lib/protocols/bittorrent.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/lib/protocols/bittorrent.c b/src/lib/protocols/bittorrent.c index 852b7cbac..64e46a4ed 100644 --- a/src/lib/protocols/bittorrent.c +++ b/src/lib/protocols/bittorrent.c @@ -494,14 +494,13 @@ static void ndpi_search_bittorrent(struct ndpi_detection_module_struct *ndpi_str wireshark/epan/dissectors/packet-bt-utp.c */ - if(packet->payload_packet_len >= 20 /* min header size */) { if( - (strncmp((const char*)packet->payload, bt_search, strlen(bt_search)) == 0) - || (strncmp((const char*)packet->payload, bt_search1, strlen(bt_search1)) == 0) + (packet->payload_packet_len > 22 && strncmp((const char*)packet->payload, bt_search, strlen(bt_search)) == 0) || + (packet->payload_packet_len > 12 && strncmp((const char*)packet->payload, bt_search1, strlen(bt_search1)) == 0) ) { ndpi_add_connection_as_bittorrent(ndpi_struct, flow, -1, 1, NDPI_CONFIDENCE_DPI); return; - } else { + } else if(packet->payload_packet_len >= 20) { /* Check if this is protocol v0 */ u_int8_t v0_extension = packet->payload[17]; u_int8_t v0_flags = packet->payload[18]; @@ -534,7 +533,6 @@ static void ndpi_search_bittorrent(struct ndpi_detection_module_struct *ndpi_str } } - } flow->bittorrent_stage++; |