Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 217 insertions, 0 deletions

diff --git a/epan/dissectors/packet-tsp.c b/epan/dissectors/packet-tsp.c
new file mode 100644
index 00000000..43b76538
--- /dev/null
+++ b/epan/dissectors/packet-tsp.c
@@ -0,0 +1,217 @@
+/* packet-tsp.c
+ * Routines for Time Synchronization Protocol (TSP) packet dissection
+ *
+ * Uwe Girlich <Uwe.Girlich@philosys.de>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from packet-quake.c
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+/*
+ * For a full documentation of the Time Synchronization Protocol (TSP) see:
+ * http://docs.freebsd.org/44doc/smm/12.timed/paper.pdf
+ */
+void proto_register_tsp(void);
+void proto_reg_handoff_tsp(void);
+
+static dissector_handle_t tsp_handle;
+
+static int proto_tsp = -1;
+static int hf_tsp_type = -1;
+static int hf_tsp_vers = -1;
+static int hf_tsp_seq = -1;
+static int hf_tsp_hopcnt = -1;
+static int hf_tsp_time_sec = -1;
+static int hf_tsp_time_usec = -1;
+static int hf_tsp_name = -1;
+
+static gint ett_tsp = -1;
+
+/* timed port from /etc/services */
+#define UDP_PORT_TIMED	525
+
+
+static const value_string names_tsp_type[] = {
+#define TSP_ANY                 0       /* match any types */
+	{	TSP_ANY, "any" },
+#define TSP_ADJTIME             1       /* send adjtime */
+	{	TSP_ADJTIME, "adjtime" },
+#define TSP_ACK                 2       /* generic acknowledgement */
+	{	TSP_ACK, "ack" },
+#define TSP_MASTERREQ           3       /* ask for master's name */
+	{	TSP_MASTERREQ, "masterreq" },
+#define TSP_MASTERACK           4       /* acknowledge master request */
+	{	TSP_MASTERACK, "masterack" },
+#define TSP_SETTIME             5       /* send network time */
+	{	TSP_SETTIME, "settime" },
+#define TSP_MASTERUP            6       /* inform slaves that master is up */
+	{	TSP_MASTERUP, "masterup" },
+#define TSP_SLAVEUP             7       /* slave is up but not polled */
+	{	TSP_SLAVEUP, "slaveup" },
+#define TSP_ELECTION            8       /* advance candidature for master */
+	{	TSP_ELECTION, "election" },
+#define TSP_ACCEPT              9       /* support candidature of master */
+	{	TSP_ACCEPT, "accept" },
+#define TSP_REFUSE              10      /* reject candidature of master */
+	{	TSP_REFUSE, "refuse" },
+#define TSP_CONFLICT            11      /* two or more masters present */
+	{	TSP_CONFLICT, "conflict" },
+#define TSP_RESOLVE             12      /* masters' conflict resolution */
+	{	TSP_RESOLVE, "resolve" },
+#define TSP_QUIT                13      /* reject candidature if master is up */
+	{	TSP_QUIT, "quit" },
+#define TSP_DATE                14      /* reset the time (date command) */
+	{	TSP_DATE, "date" },
+#define TSP_DATEREQ             15      /* remote request to reset the time */
+	{	TSP_DATEREQ, "datereq" },
+#define TSP_DATEACK             16      /* acknowledge time setting  */
+	{	TSP_DATEACK, "dateack" },
+#define TSP_TRACEON             17      /* turn tracing on */
+	{	TSP_TRACEON, "traceon" },
+#define TSP_TRACEOFF            18      /* turn tracing off */
+	{	TSP_TRACEOFF, "traceoff" },
+#define TSP_MSITE               19      /* find out master's site */
+	{	TSP_MSITE, "msite" },
+#define TSP_MSITEREQ            20      /* remote master's site request */
+	{	TSP_MSITEREQ, "msitereq" },
+#define TSP_TEST                21      /* for testing election algo */
+	{	TSP_TEST, "test" },
+#define TSP_SETDATE             22      /* New from date command */
+	{	TSP_SETDATE, "setdate" },
+#define TSP_SETDATEREQ          23      /* New remote for above */
+	{	TSP_SETDATEREQ, "setdatereq" },
+#define TSP_LOOP                24      /* loop detection packet */
+	{	TSP_LOOP, "loop" },
+	{ 0, NULL }
+};
+
+
+static int
+dissect_tsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+	proto_tree	*tsp_tree;
+	proto_item	*tsp_item;
+
+	guint8		tsp_type;
+
+	col_set_str(pinfo->cinfo, COL_PROTOCOL, "TSP");
+	col_clear(pinfo->cinfo, COL_INFO);
+
+	tsp_type = tvb_get_guint8(tvb, 0);
+	col_add_str(pinfo->cinfo, COL_INFO,
+		    val_to_str(tsp_type, names_tsp_type, "Unknown message type (%u)"));
+
+	tsp_item = proto_tree_add_item(tree, proto_tsp,
+				tvb, 0, -1, ENC_NA);
+	tsp_tree = proto_item_add_subtree(tsp_item, ett_tsp);
+
+	if (tsp_tree) {
+		proto_tree_add_uint(tsp_tree, hf_tsp_type,
+			tvb, 0, 1, tsp_type);
+		proto_tree_add_item(tsp_tree, hf_tsp_vers,
+			tvb, 1, 1, ENC_BIG_ENDIAN);
+		proto_tree_add_item(tsp_tree, hf_tsp_seq,
+			tvb, 2, 2, ENC_BIG_ENDIAN);
+	}
+
+	switch (tsp_type) {
+
+	case TSP_LOOP:
+		if (tsp_tree)
+			proto_tree_add_item(tsp_tree, hf_tsp_hopcnt,
+				tvb, 4, 1, ENC_BIG_ENDIAN);
+		break;
+
+	case TSP_SETTIME:
+	case TSP_ADJTIME:
+	case TSP_SETDATE:
+	case TSP_SETDATEREQ:
+		if (tsp_tree) {
+			proto_tree_add_item(tsp_tree, hf_tsp_time_sec,
+				tvb, 4, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(tsp_tree, hf_tsp_time_usec,
+				tvb, 8, 4, ENC_BIG_ENDIAN);
+		}
+		break;
+	}
+
+	if (tsp_tree) {
+		proto_tree_add_item(tsp_tree, hf_tsp_name, tvb, 12,
+			-1, ENC_ASCII);
+	}
+	return tvb_captured_length(tvb);
+}
+
+
+void
+proto_reg_handoff_tsp(void)
+{
+	dissector_add_uint_with_preference("udp.port", UDP_PORT_TIMED, tsp_handle);
+}
+
+
+void
+proto_register_tsp(void)
+{
+	static hf_register_info hf[] = {
+		{ &hf_tsp_type,
+		  { "Type", "tsp.type",
+		    FT_UINT8, BASE_DEC, VALS(names_tsp_type), 0x0,
+		    "Packet Type", HFILL }},
+		{ &hf_tsp_vers,
+		  { "Version", "tsp.version",
+		    FT_UINT8, BASE_DEC, NULL, 0x0,
+		    "Protocol Version Number", HFILL }},
+		{ &hf_tsp_seq,
+		  { "Sequence", "tsp.sequence",
+		    FT_UINT16, BASE_DEC, NULL, 0x0,
+		    "Sequence Number", HFILL }},
+		{ &hf_tsp_hopcnt,
+		  { "Hop Count", "tsp.hopcnt",
+		    FT_UINT8, BASE_DEC, NULL, 0x0,
+		    NULL, HFILL }},
+		{ &hf_tsp_time_sec,
+		  { "Seconds", "tsp.sec",
+		    FT_UINT32, BASE_DEC, NULL, 0x0,
+		    NULL, HFILL }},
+		{ &hf_tsp_time_usec,
+		  { "Microseconds", "tsp.usec",
+		    FT_UINT32, BASE_DEC, NULL, 0x0,
+		    NULL, HFILL }},
+		{ &hf_tsp_name,
+		  { "Machine Name", "tsp.name",
+		    FT_STRINGZ, BASE_NONE, NULL, 0x0,
+		    "Sender Machine Name", HFILL }}
+	};
+	static gint *ett[] = {
+		&ett_tsp
+	};
+
+	proto_tsp = proto_register_protocol("Time Synchronization Protocol",
+					    "TSP", "tsp");
+	proto_register_field_array(proto_tsp, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+	tsp_handle = register_dissector("tsp", dissect_tsp, proto_tsp);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */