Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 187 insertions, 0 deletions

diff --git a/epan/dissectors/packet-netdump.c b/epan/dissectors/packet-netdump.c
new file mode 100644
index 00000000..20c3f265
--- /dev/null
+++ b/epan/dissectors/packet-netdump.c
@@ -0,0 +1,187 @@
+/* packet-netdump.c
+ * Routines for Netdump dissection
+ * Copyright 2009, Neil Horman <nhorman@tuxdriver.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+void proto_register_netdump(void);
+void proto_reg_handoff_netdump(void);
+
+static dissector_handle_t netdump_handle;
+
+/* Initialize the protocol and registered fields */
+static int proto_netdump = -1;
+static int hf_netdump_magic_number = -1;
+static int hf_netdump_seq_nr = -1;
+static int hf_netdump_command = -1;
+static int hf_netdump_from = -1;
+static int hf_netdump_to = -1;
+static int hf_netdump_payload = -1;
+static int hf_netdump_code = -1;
+static int hf_netdump_info = -1;
+static int hf_netdump_version = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_netdump = -1;
+
+static const value_string command_names[] = {
+	{ 0, "COMM_NONE" },
+	{ 1, "COMM_SEND_MEM" },
+	{ 2, "COMM_EXIT" },
+	{ 3, "COMM_REBOOT" },
+	{ 4, "COMM_HELLO" },
+	{ 5, "COMM_GET_NR_PAGES" },
+	{ 6, "COMM_GET_PAGE_SIZE" },
+	{ 7, "COMM_START_NETDUMP_ACK" },
+	{ 8, "COMM_GET_REGS" },
+	{ 9, "COMM_SHOW_STATE" },
+	{ 0, NULL }
+};
+
+static const value_string reply_code_names[] = {
+	{ 0, "REPLY_NONE" },
+	{ 1, "REPLY_ERROR" },
+	{ 2, "REPLY_LOG" },
+	{ 3, "REPLY_MEM" },
+	{ 4, "REPLY_RESERVED" },
+	{ 5, "REPLY_HELLO" },
+	{ 6, "REPLY_NR_PAGES" },
+	{ 7, "REPLY_PAGE_SIZE" },
+	{ 8, "REPLY_START_NETDUMP" },
+	{ 9, "REPLY_END_NETDUMP" },
+	{ 10, "REPLY_REGS" },
+	{ 11, "REPLY_MAGIC" },
+	{ 12, "REPLY_SHOW_STATE" },
+	{ 0, NULL }
+};
+
+
+/* Code to actually dissect the packets */
+static int
+dissect_netdump(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+	col_set_str(pinfo->cinfo, COL_PROTOCOL, "Netdump");
+	/* Clear out stuff in the info column */
+	col_clear(pinfo->cinfo, COL_INFO);
+
+	if (tree) { /* we are being asked for details */
+		proto_item *ti = NULL;
+		proto_tree *netdump_tree = NULL;
+		ti = proto_tree_add_item(tree, proto_netdump, tvb, 0, -1, ENC_NA);
+		netdump_tree = proto_item_add_subtree(ti, ett_netdump);
+		if (tvb_reported_length(tvb) == 24) {
+			/* Its a request format packet */
+			proto_tree_add_item(netdump_tree, hf_netdump_magic_number, tvb, 0, 8, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_seq_nr, tvb, 8, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_command, tvb, 12, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_from, tvb, 16, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_to, tvb, 20, 4, ENC_BIG_ENDIAN);
+		} else {
+			/* Its a reply packet */
+			proto_tree_add_item(netdump_tree, hf_netdump_version, tvb, 0, 1, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_seq_nr, tvb, 1, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_code, tvb, 5, 4, ENC_BIG_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_info, tvb, 9, 4, ENC_LITTLE_ENDIAN);
+			proto_tree_add_item(netdump_tree, hf_netdump_payload, tvb, 13, -1, ENC_NA);
+		}
+	}
+	return tvb_captured_length(tvb);
+}
+
+void proto_register_netdump(void)
+{
+	/* Setup protocol subtree array */
+	static gint *ett[] = {
+		&ett_netdump
+	};
+
+	static hf_register_info hf[] = {
+		{ &hf_netdump_magic_number,
+			{ "Netdump Magic Number", "netdump.magic",
+			FT_UINT64, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL }
+		},
+		{ &hf_netdump_seq_nr,
+			{"Netdump seq number", "netdump.seq_nr",
+			FT_UINT32, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_command,
+			{"Netdump command", "netdump.command",
+			FT_UINT32, BASE_DEC,
+			VALS(command_names), 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_from,
+			{"Netdump from val", "netdump.from",
+			FT_UINT32, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_to,
+			{"Netdump to val", "netdump.to",
+			FT_UINT32, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_code,
+			{"Netdump code", "netdump.code",
+			FT_UINT32, BASE_DEC,
+			VALS(reply_code_names), 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_info,
+			{"Netdump info", "netdump.info",
+			FT_UINT32, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_payload,
+			{"Netdump payload", "netdump.payload",
+			FT_BYTES, BASE_NONE,
+			NULL, 0x0,
+			NULL, HFILL}
+		},
+		{ &hf_netdump_version,
+			{"Netdump version", "netdump.version",
+			FT_UINT8, BASE_HEX,
+			NULL, 0x0,
+			NULL, HFILL}
+		}
+	};
+
+	proto_netdump = proto_register_protocol ("Netdump Protocol", "Netdump", "netdump" );
+	proto_register_field_array(proto_netdump, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+
+	netdump_handle = register_dissector("netdump", dissect_netdump, proto_netdump);
+}
+
+void proto_reg_handoff_netdump(void)
+{
+	dissector_add_for_decode_as_with_preference("udp.port", netdump_handle);
+}
+
+/*
+ * 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:
+ */