diff options
| author | Luca Deri <deri@ntop.org> | 2022-12-09 21:32:45 +0100 |
|---|---|---|
| committer | Luca Deri <deri@ntop.org> | 2022-12-09 21:32:45 +0100 |
| commit | eacc2b8e32e83e014c9863683c32d77ecb3ea607 (patch) | |
| tree | f10c78e3368801cb687cc53e39302118db5cf385 /src/lib/protocols/rtp.c | |
| parent | fc7b070030cc33029fc16a71ecd6bbe140bd105c (diff) | |
Added Zoom screen share detection
Diffstat (limited to 'src/lib/protocols/rtp.c')
| -rw-r--r-- | src/lib/protocols/rtp.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/lib/protocols/rtp.c b/src/lib/protocols/rtp.c index 1c48af7a4..5c0e68f40 100644 --- a/src/lib/protocols/rtp.c +++ b/src/lib/protocols/rtp.c @@ -100,7 +100,7 @@ PACK_ON struct zoom_sfu_encapsulation { } PACK_OFF; PACK_ON struct zoom_media_encapsulation { - u_int8_t enc_type; /* 15 = Audio, 16 = Video, 34 = RTCP */ + u_int8_t enc_type; /* 13/30 = Screen Share, 15 = Audio, 16 = Video, 33/34/35 = RTCP */ u_int32_t unknown_1, unknown_2; u_int16_t sequence_num; u_int32_t timestamp; @@ -128,6 +128,12 @@ static u_int8_t isZoom(u_int16_t sport, u_int16_t dport, *zoom_stream_type = enc->enc_type; switch(enc->enc_type) { + case 13: /* Screen Share */ + case 30: /* Screen Share */ + *is_rtp = 0; + *payload_offset = 27; + break; + case 15: /* Audio */ *is_rtp = 0; *payload_offset = 27; @@ -137,8 +143,10 @@ static u_int8_t isZoom(u_int16_t sport, u_int16_t dport, *is_rtp = 1; *payload_offset = 32; break; - + + case 33: /* RTCP */ case 34: /* RTCP */ + case 35: /* RTCP */ *is_rtp = 1; *payload_offset = 36; break; @@ -184,6 +192,11 @@ static void ndpi_rtp_search(struct ndpi_detection_module_struct *ndpi_struct, */ switch(zoom_stream_type) { + case 13: /* Screen Share */ + case 30: /* Screen Share */ + flow->protos.rtp.stream_type = rtp_screen_share; + break; + case 15: /* Audio */ flow->protos.rtp.stream_type = rtp_audio; break; |