From Bingyao Du:

Attachment is a patch for adding a new Juniper NSRP dissector. In this patch, OICQ author email address 
<dubingyao@gmail.com> has also been updated to <secfire@gmail.com>. 

svn path=/trunk/; revision=21599

1 files changed, 520 insertions, 0 deletions

diff --git a/epan/dissectors/packet-nsrp.c b/epan/dissectors/packet-nsrp.c
new file mode 100644
index 0000000000..d5a546bcef
--- /dev/null
+++ b/epan/dissectors/packet-nsrp.c
@@ -0,0 +1,520 @@
+/* packet-nsrp.c
+ * Routines for the Juniper Netscreen Redundant Protocol (NSRP)
+ *
+ * Secfire <secfire@gmail.com>
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/* 
+ *
+ * NSRP update information can be found at www.juniper.net
+ *
+ *
+ *           
+ *    NSRP Packet Header is defined as follow:
+ *                  
+ *       1         2       3        4        5         6       7        8 
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |Version | Type   |Clust ID|MSG Flag|     Length      |HA Port |Not Used|
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |          Destination Unit         |             Source Unit           |
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+
+#include <epan/packet.h>
+#include <epan/etypes.h>
+
+#define NSRP_MIN_LEN    32
+
+/* Initialize the protocol and registered fields */
+static int proto_nsrp       = -1;
+
+static int hf_nsrp_version       = -1;
+static int hf_nsrp_msg_type      = -1;
+static int hf_nsrp_clust_id      = -1;
+static int hf_nsrp_msg_flag      = -1;
+static int hf_nsrp_len           = -1;
+static int hf_nsrp_ha_port       = -1;
+static int hf_nsrp_not_used      = -1;
+static int hf_nsrp_dst_unit      = -1;
+static int hf_nsrp_src_unit      = -1;
+static int hf_nsrp_msgtype       = -1;
+static int hf_nsrp_wst_group     = -1;
+static int hf_nsrp_hst_group     = -1;
+static int hf_nsrp_msgflag     = -1;
+static int hf_nsrp_authflag      = -1;
+static int hf_nsrp_priority      = -1;
+static int hf_nsrp_dummy         = -1;
+static int hf_nsrp_authchecksum  = -1;
+static int hf_nsrp_ifnum         = -1;
+
+
+/* Dada defined for HA Message */
+static int hf_nsrp_msglen      = -1;
+static int hf_nsrp_encflag      = -1;
+static int hf_nsrp_notused = -1;
+
+static int hf_nsrp_total_size = -1;
+
+static int hf_nsrp_ns = -1;
+static int hf_nsrp_nr = -1;
+
+static int hf_nsrp_no_used = -1;
+static int hf_nsrp_checksum = -1;
+
+static int hf_nsrp_data = -1;
+
+
+static const value_string nsrp_msg_type_vals[] = {
+	{ 0x01,	"HA MESSAGE" },
+	{ 0x02,	"MNG MESSAGE" },
+	{ 0x03,	"DADA MESSAGE" },
+	{ 0,			NULL }
+};
+
+static const value_string nsrp_msgtype_vals[] = {
+	{ 0x01,	"CREATE SESSION" },
+	{ 0x02,	"CLOSE SESSION" },
+	{ 0x03,	"CHANG SESSION" },
+	{ 0x04,	"CREATE SP SESSION" },
+	{ 0x05,	"SYS CONFIG" },
+	{ 0x06,	"FILE SYS" },
+	{ 0x07,	"CMD WEB" },
+	{ 0x08,	"SAVE SLAVE" },
+	{ 0x09,	"VPN SPI" },
+	{ 0x0a,	"ARP" },
+	{ 0x0b,	"HEALTH CHECK" },
+	{ 0x0c,	"EMW DATA" },
+	{ 0x0d,	"INVITE SYNC" },
+	{ 0x0e,	"DOWNLOAD CONFIG" },
+	{ 0x0f,	"L2TP TUNL CREATE" },
+	{ 0x10,	"L2TP TUNL DELETE" },
+	{ 0x11,	"L2TP CALL CREATE" },
+	{ 0x12,	"L2TP CALL DELETE" },
+	{ 0x13,	"PKI SYNC" },
+	{ 0x14,	"VPN SEQ" },
+	{ 0x15,	"MAX" },
+	{ 0,			NULL }
+};
+
+static const value_string nsrp_flag_vals[] = {
+	{ 0x80,	"ENCRPT MESSAGE" },
+	{ 0x40,	"CLOSE SESSION" },
+	{ 0x20,	"CHANG SESSION" },
+	{ 0x10,	"CREATE SP SESSION" },
+	{ 0x08,	"SYS CONFIG" },
+	{ 0x04,	"FILE SYS" },
+	{ 0x02,	"CMD WEB" },
+	{ 0,			NULL }
+};
+
+static const value_string nsrp_encflag_vals[] = {
+	{ 0xf0,	"ENCRYPT METHOD MASK" },
+	{ 0x0f,	"ENCRYPT PAD BIT MASK" },
+	{ 0,			NULL }
+};
+
+
+/* Initialize the subtree pointers */
+static gint ett_nsrp = -1;
+
+/* Code to actually dissect the packets */
+static void
+dissect_nsrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+    proto_item  *ti;
+    proto_tree  *nsrp_tree = NULL;
+    gint        offset = 0;
+    guint8      msgtype = 0;
+
+    if (check_col(pinfo->cinfo, COL_PROTOCOL))
+			col_set_str(pinfo->cinfo, COL_PROTOCOL, "NSRP");
+
+    if (check_col(pinfo->cinfo, COL_INFO))
+    {
+			col_clear(pinfo->cinfo, COL_INFO);
+			col_set_str(pinfo->cinfo, COL_INFO, "NSRP Protocol");
+		}
+
+    if (tree) {
+			ti = proto_tree_add_item(tree, proto_nsrp, tvb, 0, -1, FALSE);
+			nsrp_tree = proto_item_add_subtree(ti, ett_nsrp);
+			
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_version, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			msgtype = tvb_get_guint8(tvb, offset);
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msg_type, tvb, offset, 1, FALSE);
+			offset += 1;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_clust_id, tvb, offset, 1, FALSE);
+			offset += 1;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msg_flag, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_len, tvb, offset, 2, FALSE);
+			offset += 2;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_ha_port, tvb, offset, 1, FALSE);
+			offset += 1;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_dst_unit, tvb, offset, 4, FALSE);
+			offset += 4;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_src_unit, tvb, offset, 4, FALSE);
+			offset += 4;
+		}
+		
+/*
+ *
+ *
+ *    NSRP HA Packet is defined as follow:
+ * 
+ *       1         2       3        4        5         6       7        8 
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   | Type   |WstGroup|HstGroup|MSG Flag|     Length      |Enc Flag|Not Used|
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |            Total Size             |        NS       |        NR       |
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |     No Used     |    Checksum     |              Data                 |
+ *   +--------+--------+--------+--------+-----------------------------------+
+ *
+ *
+ */
+
+		if ( msgtype == 0x00 ) {
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, FALSE);
+			offset += 1;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, FALSE);
+			offset += 2;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_encflag, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_total_size, tvb, offset, 4, FALSE);
+			offset += 4;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_ns, tvb, offset, 2, FALSE);
+			offset += 2;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_nr, tvb, offset, 2, FALSE);
+			offset += 2;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_no_used, tvb, offset, 2, FALSE);
+			offset += 2;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_checksum, tvb, offset, 2, FALSE);
+			offset += 2;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, FALSE);
+			
+    }
+    
+/*
+ *  
+ *    NSRP MNG Packet is defined as follow:
+ * 
+ *       1         2       3        4        5         6       7        8 
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   | Type   |WstGroup|HstGroup|MSG Flag|     Length      |AuthFlag|Not Used|
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |Priority+ Dummy  +   Auth CheckSum +                Data               |
+ *   +--------+--------+--------+--------+-----------------------------------+
+ *  
+ *
+ */
+
+		if ( msgtype == 0x02 ) {
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, FALSE);
+			offset += 1;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, FALSE);
+			offset += 2;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_authflag, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_priority, tvb, offset, 1, FALSE);
+			offset += 1;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_dummy, tvb, offset, 1, FALSE);
+			offset += 1;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_authchecksum, tvb, offset, 2, FALSE);
+			offset += 2;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, FALSE);
+			
+    }
+    
+        
+    
+    
+/*   
+ *    NSRP DATA Packet is defined as follow:
+ * 
+ *       1         2       3        4        5         6       7        8 
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   | Type   |WstGroup|HstGroup|MSG Flag|     Length      | Ifnum  |Not Used|
+ *   +--------+--------+--------+--------+--------+--------+--------+--------+
+ *   |            Total Size             |                Data               |
+ *   +--------+--------+--------+--------+-----------------------------------+
+ *
+ *
+ */
+   if ( msgtype == 0x03 ) {
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, FALSE);
+			offset += 1;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, FALSE);
+			offset += 2;
+			
+			proto_tree_add_item(nsrp_tree, hf_nsrp_ifnum, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, FALSE);
+			offset += 1;
+
+			proto_tree_add_item(nsrp_tree, hf_nsrp_total_size, tvb, offset, 4, FALSE);
+			offset += 4;
+		
+			proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, FALSE);
+			
+    }
+
+}
+
+
+void
+proto_register_nsrp(void)
+{
+
+    static hf_register_info hf[] = {
+	{ &hf_nsrp_version,
+	  { "Version", "nsrp.version",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP Version", HFILL }
+	},
+		{ &hf_nsrp_msg_type,
+	  { "Type", "nsrp.type",
+	    FT_UINT8, BASE_DEC, nsrp_msg_type_vals, 0,
+	    "NSRP Message Type", HFILL }
+	},
+		{ &hf_nsrp_clust_id,
+	  { "Clust ID", "nsrp.clustid",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP CLUST ID", HFILL }
+	},
+		{ &hf_nsrp_msg_flag,
+	  { "Flag", "nsrp.flag",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP FLAG", HFILL }
+	},
+	{ &hf_nsrp_len,
+	  { "Length", "nsrp.length",
+	    FT_UINT16, BASE_DEC, NULL, 0,
+	    "NSRP Length", HFILL }
+	},
+		{ &hf_nsrp_ha_port,
+	  { "Port", "nsrp.haport",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP HA Port", HFILL }
+	},
+		{ &hf_nsrp_not_used,
+	  { "Not used", "nsrp.notused",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NOT USED", HFILL }
+	},
+		{ &hf_nsrp_dst_unit,
+	  { "Destination", "nsrp.dst",
+	    FT_UINT32, BASE_DEC, NULL, 0,
+	    "DESTINATION UNIT INFORMATION", HFILL }
+	},
+	{ &hf_nsrp_src_unit,
+	  { "Source", "nsrp.src",
+	    FT_UINT32, BASE_DEC, NULL, 0,
+	    "SOURCE UNIT INFORMATION", HFILL }
+	},
+		{ &hf_nsrp_msgtype,
+	  { "MsgType", "nsrp.msgtype",
+	    FT_UINT8, BASE_DEC, VALS(nsrp_msgtype_vals), 0,
+	    "Message Type", HFILL }
+	},
+		{ &hf_nsrp_wst_group,
+	  { "Wst group", "nsrp.wst",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP WST GROUP", HFILL }
+	},
+		{ &hf_nsrp_hst_group,
+	  { "Hst group", "nsrp.hst",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NSRP HST GROUP", HFILL }
+	},
+	{ &hf_nsrp_msgflag,
+	  { "Msgflag", "nsrp.msgflag",
+	    FT_UINT8, BASE_DEC, VALS(nsrp_flag_vals), 0,
+	    "NSRP MSG FLAG", HFILL }
+	},
+	{ &hf_nsrp_msglen,
+	  { "Msg Length", "nsrp.msglen",
+	    FT_UINT16, BASE_DEC, NULL, 0,
+	    "NSRP MESSAGE LENGTH", HFILL }
+	},
+		
+	{ &hf_nsrp_encflag,
+	  { "Enc Flag", "nsrp.encflag",
+	    FT_UINT8, BASE_DEC, VALS(nsrp_encflag_vals), 0,
+	    "NSRP ENCRYPT FLAG", HFILL }
+	},
+		{ &hf_nsrp_notused,
+	  { "Not Used", "nsrp.notused",
+	    FT_UINT8, BASE_DEC, NULL, 0,
+	    "NOT USED", HFILL }
+	},
+		{ &hf_nsrp_total_size,
+	  { "Total Size", "nsrp.totalsize",
+	    FT_UINT32, BASE_DEC, NULL, 0,
+	    "NSRP MSG TOTAL MESSAGE", HFILL }
+	},
+		{ &hf_nsrp_ns,
+	  { "Ns", "nsrp.ns",
+	    FT_UINT16, BASE_DEC, NULL, 0,
+	    "Ns", HFILL }
+	},
+		{ &hf_nsrp_nr,
+	  { "Nr", "nsrp.nr",
+	    FT_UINT16, BASE_DEC, NULL, 0,
+	    "Nr", HFILL }
+	},
+		{ &hf_nsrp_no_used,
+	  { "Reserved", "nsrp.reserved",
+	    FT_UINT16, BASE_DEC, NULL, 0,
+	    "RESERVED", HFILL }
+	},
+		{ &hf_nsrp_checksum,
+	  { "Checksum", "nsrp.checksum",
+	    FT_UINT16, BASE_HEX, NULL, 0,
+	    "NSRP PACKET CHECKSUM", HFILL }
+	},
+		{ &hf_nsrp_authflag,
+	  { "AuthFlag", "nsrp.authflag",
+	    FT_UINT8, BASE_HEX, NULL, 0,
+	    "NSRP Auth Flag", HFILL }
+	},
+			{ &hf_nsrp_priority,
+	  { "Priority", "nsrp.priority",
+	    FT_UINT8, BASE_HEX, NULL, 0,
+	    "NSRP Priority", HFILL }
+	},
+			{ &hf_nsrp_dummy,
+	  { "Dummy", "nsrp.dummy",
+	    FT_UINT8, BASE_HEX, NULL, 0,
+	    "NSRP Dummy", HFILL }
+	},
+		{ &hf_nsrp_authchecksum,
+	  { "Checksum", "nsrp.authchecksum",
+	    FT_UINT16, BASE_HEX, NULL, 0,
+	    "NSRP AUTH CHECKSUM", HFILL }
+	},
+		{ &hf_nsrp_ifnum,
+	  { "Ifnum", "nsrp.ifnum",
+	    FT_UINT16, BASE_HEX, NULL, 0,
+	    "NSRP IfNum", HFILL }
+	},
+	{ &hf_nsrp_data,
+	  { "Data", "nsrp.data",
+	    FT_STRING, 0, NULL, 0,
+	    "PADING", HFILL }
+	}
+    };
+
+    static gint *ett[] = {
+	&ett_nsrp
+    };
+
+    proto_nsrp = proto_register_protocol("Juniper Netscreen Redundant Protocol",
+	"NSRP", "nsrp");
+    proto_register_field_array(proto_nsrp, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+}
+
+
+void
+proto_reg_handoff_nsrp(void)
+{
+    dissector_handle_t nsrp_handle;
+
+    nsrp_handle = create_dissector_handle(dissect_nsrp, proto_nsrp);
+    dissector_add("ethertype", ETHERTYPE_NSRP, nsrp_handle);
+}