Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/epan/dissectors/packet-tpkt.h b/epan/dissectors/packet-tpkt.h
new file mode 100644
index 00000000..eb144b9b
--- /dev/null
+++ b/epan/dissectors/packet-tpkt.h
@@ -0,0 +1,50 @@
+/* packet-tpkt.h
+ *
+ * Routines for TPKT dissection
+ *
+ * Copyright 2000, Philips Electronics N.V.
+ * Andreas Sikkema <andreas.sikkema@philips.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "ws_symbol_export.h"
+
+/*
+ * Check whether this could be a TPKT-encapsulated PDU.
+ * Returns -1 if it's not, and the PDU length from the TPKT header
+ * if it is.
+ *
+ * "min_len" is the minimum length of the PDU; the length field in the
+ * TPKT header must be at least "4+min_len" in order for this to be a
+ * valid TPKT PDU for the protocol in question.
+ */
+WS_DLL_PUBLIC int is_tpkt(tvbuff_t *tvb, int min_len);
+
+/*
+ * Dissect TPKT-encapsulated data in a TCP stream.
+ */
+WS_DLL_PUBLIC void dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo,
+    proto_tree *tree, gboolean desegment,
+    dissector_handle_t subdissector_handle);
+
+/*
+ * Check whether this could be a ASCII TPKT-encapsulated PDU.
+ * Returns -1 if it's not, and the PDU length from the TPKT header
+ * if it is.
+ *
+ * "min_len" is the minimum length of the PDU; the length field in the
+ * TPKT header must be at least "8+min_len" in order for this to be a
+ * valid TPKT PDU for the protocol in question.
+ */
+extern guint16 is_asciitpkt(tvbuff_t *tvb);
+
+/*
+ * Dissect ASCII TPKT-encapsulated data in a TCP stream.
+ */
+extern void dissect_asciitpkt(tvbuff_t *tvb, packet_info *pinfo,
+    proto_tree *tree, dissector_handle_t subdissector_handle);