From c50a8d4808bbe3f41cbe5e681e84a1eb52129cb1 Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Sat, 6 Mar 2021 05:48:36 +0100
Subject: Add support for Snapchat voip calls (#1147)

* Add support for Snapchat voip calls

Snapchat multiplexes some of its audio/video real time traffic with QUIC
sessions. The peculiarity of these sessions is that they are Q046 and
don't have any SNI.

* Fix tests with libgcrypt disabled
---
 src/lib/ndpi_main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/lib/ndpi_main.c')

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index daf02f76a..a9c3c9665 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -1576,6 +1576,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  1 /* can_have_a_subprotocol */, no_master, no_master, "AppleSiri",
 			  NDPI_PROTOCOL_CATEGORY_VIRTUAL_ASSISTANT, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SNAPCHAT_CALL,
+			  0 /* can_have_a_subprotocol */, no_master, no_master, "SnapchatCall",
+			  NDPI_PROTOCOL_CATEGORY_VOIP, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main.c"
@@ -7069,6 +7073,11 @@ uint8_t ndpi_connection_tracking(struct ndpi_detection_module_struct *ndpi_str,
       if(flow->extra_packets_func)
 	return(1);
       break;
+
+    case NDPI_PROTOCOL_QUIC:
+      if(flow->extra_packets_func)
+        return(1);
+      break;
     }
 
     return(0);
-- 
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