http2: allow filestore to work with HTTP2

doc/userguide/file-extraction/file-extraction.rst

@@ -21,6 +21,7 @@ Supported protocols are:
 - FTP
 - NFS
 - SMB
+- HTTP2
 
 Settings
 ~~~~~~~~

src/detect-filename.c

@@ -129,6 +129,14 @@ void DetectFilenameRegister(void)
             ALPROTO_SMB, SIG_FLAG_TOCLIENT, 0,
             DetectFileInspectGeneric);
 
+    //this is used by filestore
+    DetectAppLayerInspectEngineRegister("files",
+            ALPROTO_HTTP2, SIG_FLAG_TOSERVER, HTTP2StateDataClient,
+            DetectFileInspectGeneric);
+    DetectAppLayerInspectEngineRegister("files",
+            ALPROTO_HTTP2, SIG_FLAG_TOCLIENT, HTTP2StateDataServer,
+            DetectFileInspectGeneric);
+
     g_file_match_list_id = DetectBufferTypeGetByName("files");
 
     AppProto protos_ts[] = {