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| author | Ivan Nardi <12729895+IvanNardi@users.noreply.github.com> | 2021-10-03 21:38:49 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-03 21:38:49 +0200 |
| commit | bc5be1e76cd8b3d6733f66bffe346486de89b8a0 (patch) | |
| tree | 385115ff1b786fddb0e0ed3afe6805b0ddb6f51c /src/lib/protocols/bittorrent.c | |
| parent | e84da386c791caf79bbcf9b46357703c946473d9 (diff) | |
Fix how some protocols handle tcp retransmissions (#1321)
Most (all?) protocols don't care about (tcp) retransmissions.
If a protocol registers itself with a
NDPI_SELECTION_BITMASK_PROTOCOL_*_WITHOUT_RETRANSMISSION value, its
callback is never triggered with a retransmitted packet.
Diffstat (limited to 'src/lib/protocols/bittorrent.c')
| -rw-r--r-- | src/lib/protocols/bittorrent.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/lib/protocols/bittorrent.c b/src/lib/protocols/bittorrent.c index c25ed5639..f82ae7a35 100644 --- a/src/lib/protocols/bittorrent.c +++ b/src/lib/protocols/bittorrent.c @@ -406,8 +406,7 @@ void ndpi_search_bittorrent(struct ndpi_detection_module_struct *ndpi_struct, st if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_BITTORRENT) { /* check for tcp retransmission here */ - if((packet->tcp != NULL) - && (packet->tcp_retransmission == 0 || packet->num_retried_bytes)) { + if(packet->tcp != NULL) { ndpi_int_search_bittorrent_tcp(ndpi_struct, flow); } else if(packet->udp != NULL) { /* UDP */ @@ -505,7 +504,7 @@ void init_bittorrent_dissector(struct ndpi_detection_module_struct *ndpi_struct, ndpi_set_bitmask_protocol_detection("BitTorrent", ndpi_struct, detection_bitmask, *id, NDPI_PROTOCOL_BITTORRENT, ndpi_search_bittorrent, - NDPI_SELECTION_BITMASK_PROTOCOL_TCP_OR_UDP, + NDPI_SELECTION_BITMASK_PROTOCOL_TCP_OR_UDP_WITHOUT_RETRANSMISSION, SAVE_DETECTION_BITMASK_AS_UNKNOWN, ADD_TO_DETECTION_BITMASK); *id += 1; |