Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 362 insertions, 0 deletions

diff --git a/epan/dissectors/packet-stat.c b/epan/dissectors/packet-stat.c
new file mode 100644
index 00000000..01373cec
--- /dev/null
+++ b/epan/dissectors/packet-stat.c
@@ -0,0 +1,362 @@
+/* packet-stat.c
+ * Routines for stat dissection
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from packet-smb.c
+ *
+ * 2001  Ronnie Sahlberg <See AUTHORS for email>
+ *     Added the dissectors for STAT protocol
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "config.h"
+
+#include "packet-rpc.h"
+#include "packet-stat.h"
+
+void proto_register_stat(void);
+void proto_reg_handoff_stat(void);
+
+static const value_string stat1_proc_vals[] = {
+	{ 0,                   "NULL" },
+	{ STATPROC_STAT,       "STAT" },
+	{ STATPROC_MON,        "MON" },
+	{ STATPROC_UNMON,      "UNMON" },
+	{ STATPROC_UNMON_ALL,  "UNMON_ALL" },
+	{ STATPROC_SIMU_CRASH, "SIMU_CRASH" },
+	{ STATPROC_NOTIFY,     "NOTIFY" },
+	{ 0, NULL }
+};
+
+static const value_string stat_res[] =
+{
+	{ 0, "STAT_SUCC" },
+	{ 1, "STAT_FAIL" },
+	{ 0, NULL }
+};
+
+static int proto_stat = -1;
+
+static int hf_stat_mon = -1;
+static int hf_stat_mon_id_name = -1;
+static int hf_stat_mon_name = -1;
+static int hf_stat_my_id = -1;
+static int hf_stat_my_id_hostname = -1;
+static int hf_stat_my_id_proc = -1;
+static int hf_stat_my_id_prog = -1;
+static int hf_stat_my_id_vers = -1;
+static int hf_stat_priv = -1;
+static int hf_stat_procedure_v1 = -1;
+static int hf_stat_stat_chge = -1;
+static int hf_stat_stat_res = -1;
+static int hf_stat_stat_res_res = -1;
+static int hf_stat_stat_res_state = -1;
+static int hf_stat_state = -1;
+
+static gint ett_stat = -1;
+static gint ett_stat_stat_res = -1;
+static gint ett_stat_mon = -1;
+static gint ett_stat_my_id = -1;
+static gint ett_stat_stat_chge = -1;
+
+#define STAT_SUCC	0
+#define STAT_FAIL	1
+
+/* Calculate length (including padding) of my_id structure.
+ * First read the length of the string and round it upwards to nearest
+ * multiple of 4, then add 16 (4*uint32)
+ */
+static int
+my_id_len(tvbuff_t *tvb, int offset)
+{
+	int len;
+
+	len = tvb_get_ntohl(tvb, offset);
+	if(len&0x03)
+		len = (len&0xfc)+4;
+
+	len += 16;
+
+	return len;
+}
+
+/* Calculate length (including padding) of my_id structure.
+ * First read the length of the string and round it upwards to nearest
+ * multiple of 4, then add 4 (string len) and size of my_id struct.
+ */
+static int
+mon_id_len(tvbuff_t *tvb, int offset)
+{
+	int len;
+
+	len = tvb_get_ntohl(tvb, offset);
+	if(len&0x03){
+		len = (len&0xfc)+4;
+	}
+
+	len += 4;
+
+	return len+my_id_len(tvb,offset+len);
+}
+
+static int
+dissect_stat_stat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	return dissect_rpc_string(tvb,tree,hf_stat_mon_name,0,NULL);
+}
+
+static int
+dissect_stat_stat_res(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	proto_item *sub_item;
+	proto_tree *sub_tree;
+	gint32 res;
+	int offset = 0;
+
+	sub_item = proto_tree_add_item(tree, hf_stat_stat_res, tvb,
+				offset, -1, ENC_NA);
+	sub_tree = proto_item_add_subtree(sub_item, ett_stat_stat_res);
+
+	res = tvb_get_ntohl(tvb, offset);
+	offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_stat_res_res,offset);
+
+	if (res==STAT_SUCC) {
+		offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_stat_res_state,offset);
+	} else {
+		offset += 4;
+	}
+
+	return offset;
+}
+
+static int
+dissect_stat_my_id(tvbuff_t *tvb, int offset, proto_tree *tree)
+{
+	proto_item *sub_item;
+	proto_tree *sub_tree;
+
+	sub_item = proto_tree_add_item(tree, hf_stat_my_id, tvb,
+				offset, my_id_len(tvb,offset), ENC_NA);
+	sub_tree = proto_item_add_subtree(sub_item, ett_stat_my_id);
+
+	offset = dissect_rpc_string(tvb,sub_tree,hf_stat_my_id_hostname,offset,NULL);
+	offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_prog,offset);
+	offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_vers,offset);
+	offset = dissect_rpc_uint32(tvb,sub_tree,hf_stat_my_id_proc,offset);
+
+	return offset;
+}
+
+static int
+dissect_stat_mon_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	proto_item *sub_item;
+	proto_tree *sub_tree;
+	int offset = 0;
+
+	sub_item = proto_tree_add_item(tree, hf_stat_mon, tvb,
+				offset, mon_id_len(tvb,offset), ENC_NA);
+	sub_tree = proto_item_add_subtree(sub_item, ett_stat_mon);
+
+	offset = dissect_rpc_string(tvb,sub_tree,hf_stat_mon_id_name,offset,NULL);
+
+	offset = dissect_stat_my_id(tvb,offset,sub_tree);
+
+	return offset;
+}
+
+static int
+dissect_stat_priv(tvbuff_t *tvb, int offset, proto_tree *tree)
+{
+	proto_tree_add_item(tree, hf_stat_priv, tvb, offset, 16, ENC_NA);
+	offset += 16;
+
+	return offset;
+}
+
+static int
+dissect_stat_mon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+	int offset = dissect_stat_mon_id(tvb,pinfo,tree,data);
+
+	offset = dissect_stat_priv(tvb,offset,tree);
+	return offset;
+}
+
+static int
+dissect_stat_state(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	return dissect_rpc_uint32(tvb,tree,hf_stat_state,0);
+}
+
+static int
+dissect_stat_notify(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	proto_item *sub_item;
+	proto_tree *sub_tree;
+	int offset = 0;
+	int start_offset = offset;
+
+	sub_item = proto_tree_add_item(tree, hf_stat_stat_chge, tvb,
+				offset, -1, ENC_NA);
+	sub_tree = proto_item_add_subtree(sub_item, ett_stat_stat_chge);
+
+	offset = dissect_rpc_string(tvb,sub_tree,hf_stat_mon_id_name,offset,NULL);
+
+	offset = dissect_rpc_uint32(tvb,tree,hf_stat_state,offset);
+
+	if(sub_item)
+		proto_item_set_len(sub_item, offset - start_offset);
+
+	return offset;
+}
+
+static int
+dissect_stat_umon_all(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
+{
+	return dissect_stat_my_id(tvb,0,tree);
+}
+
+/* proc number, "proc name", dissect_request, dissect_reply */
+
+static const vsff stat1_proc[] = {
+	{ 0, "NULL",
+	  dissect_rpc_void, dissect_rpc_void },
+	{ STATPROC_STAT,       "STAT",
+	  dissect_stat_stat, dissect_stat_stat_res },
+	{ STATPROC_MON,        "MON",
+	  dissect_stat_mon, dissect_stat_stat_res },
+	{ STATPROC_UNMON,      "UNMON",
+	  dissect_stat_mon_id, dissect_stat_state },
+	{ STATPROC_UNMON_ALL,  "UNMON_ALL",
+	  dissect_stat_umon_all, dissect_stat_state },
+	{ STATPROC_SIMU_CRASH, "SIMU_CRASH",
+	  dissect_rpc_void, dissect_rpc_void },
+	{ STATPROC_NOTIFY,     "NOTIFY",
+	  dissect_stat_notify, dissect_rpc_void },
+	{ 0, NULL, NULL, NULL }
+};
+/* end of stat version 1 */
+
+
+static const rpc_prog_vers_info stat_vers_info[] = {
+	{ 1, stat1_proc, &hf_stat_procedure_v1 },
+};
+
+void
+proto_register_stat(void)
+{
+	static hf_register_info hf[] = {
+		{ &hf_stat_procedure_v1,
+			{ "V1 Procedure", "stat.procedure_v1",
+			  FT_UINT32, BASE_DEC, VALS(stat1_proc_vals), 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_mon_name,
+			{ "Name", "stat.name",
+			  FT_STRING, BASE_NONE, NULL, 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_stat_res,
+			{ "Status Result", "stat.stat_res",
+			  FT_NONE, BASE_NONE, NULL, 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_stat_res_res,
+			{ "Result", "stat.stat_res.res",
+			  FT_UINT32, BASE_DEC, VALS(stat_res), 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_stat_res_state,
+			{ "State", "stat.stat_res.state",
+			  FT_UINT32, BASE_DEC, NULL, 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_state,
+			{ "State", "stat.state",
+			  FT_UINT32, BASE_DEC, NULL, 0,
+			  "State of local NSM", HFILL }
+		},
+		{ &hf_stat_mon,
+			{ "Monitor", "stat.mon",
+			  FT_NONE, BASE_NONE, NULL, 0,
+			  "Monitor Host", HFILL }
+		},
+		{ &hf_stat_mon_id_name,
+			{ "Monitor ID Name", "stat.mon_id.name",
+			  FT_STRING, BASE_NONE, NULL, 0,
+			  NULL, HFILL }
+		},
+		{ &hf_stat_my_id,
+			{ "My ID", "stat.my_id",
+			  FT_NONE, BASE_NONE, NULL, 0,
+			  "My_ID structure", HFILL }
+		},
+		{ &hf_stat_my_id_hostname,
+			{ "Hostname", "stat.my_id.hostname",
+			  FT_STRING, BASE_NONE, NULL, 0,
+			  "My_ID Host to callback", HFILL }
+		},
+		{ &hf_stat_my_id_prog,
+			{ "Program", "stat.my_id.prog",
+			  FT_UINT32, BASE_DEC, NULL, 0,
+			  "My_ID Program to callback", HFILL }
+		},
+		{ &hf_stat_my_id_vers,
+			{ "Version", "stat.my_id.vers",
+			  FT_UINT32, BASE_DEC, NULL, 0,
+			  "My_ID Version of callback", HFILL }
+		},
+		{ &hf_stat_my_id_proc,
+			{ "Procedure", "stat.my_id.proc",
+			  FT_UINT32, BASE_DEC, NULL, 0,
+			  "My_ID Procedure to callback", HFILL }
+		},
+		{ &hf_stat_priv,
+			{ "Priv", "stat.priv",
+			  FT_BYTES, BASE_NONE, NULL, 0,
+			  "Private client supplied opaque data", HFILL }
+		},
+		{ &hf_stat_stat_chge,
+			{ "Status Change", "stat.stat_chge",
+			  FT_NONE, BASE_NONE, NULL, 0,
+			  "Status Change structure", HFILL }
+		},
+	};
+
+	static gint *ett[] = {
+		&ett_stat,
+		&ett_stat_stat_res,
+		&ett_stat_mon,
+		&ett_stat_my_id,
+		&ett_stat_stat_chge,
+	};
+
+	proto_stat = proto_register_protocol("Network Status Monitor Protocol", "STAT", "stat");
+	proto_register_field_array(proto_stat, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_stat(void)
+{
+	/* Register the protocol as RPC */
+	rpc_init_prog(proto_stat, STAT_PROGRAM, ett_stat,
+	    G_N_ELEMENTS(stat_vers_info), stat_vers_info);
+}
+
+/*
+ * 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:
+ */