From Erwin Rol: initial ENTTEC support and RDM support.

svn path=/trunk/; revision=8985

1 files changed, 271 insertions, 0 deletions

diff --git a/plugins/rdm/packet-rdm.c b/plugins/rdm/packet-rdm.c
new file mode 100644
index 0000000000..914e8a6968
--- /dev/null
+++ b/plugins/rdm/packet-rdm.c
@@ -0,0 +1,271 @@
+/* packet-rdm.c
+ * Routines for RDM packet disassembly
+ *
+ * $Id: packet-rdm.c,v 1.1 2003/11/17 20:57:14 guy Exp $
+ *
+ * Copyright (c) 2003 by Erwin Rol <erwin@erwinrol.com>
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1999 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.
+ */
+
+/* Include files */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "plugins/plugin_api.h"
+
+#include "moduleinfo.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <gmodule.h>
+#include <ctype.h>
+#include <time.h>
+#include <string.h>
+#include <epan/packet.h>
+#include <epan/resolv.h>
+#include "etypes.h"
+#include <epan/strutil.h>
+
+#include "plugins/plugin_api_defs.h"
+
+/* Define version if we are not building ethereal statically */
+
+#ifndef ENABLE_STATIC
+G_MODULE_EXPORT const gchar version[] = VERSION;
+#endif
+
+/*
+ * See http://www.esta.org/tsp/E1-20inst.htm
+ *
+ */
+
+void proto_reg_handoff_rdm(void);
+
+/* Define the rdm proto */
+static int proto_rdm = -1;
+
+/* Header */
+static int hf_rdm_sub_start_code = -1;
+static int hf_rdm_slot_count = -1;
+static int hf_rdm_dest_uid = -1;
+static int hf_rdm_src_uid = -1;
+static int hf_rdm_seq_nr = -1;
+static int hf_rdm_res_type = -1;
+static int hf_rdm_msg_count = -1;
+static int hf_rdm_sub_device = -1;
+static int hf_rdm_mdb = -1;
+static int hf_rdm_checksum = -1;
+
+/* Define the tree for rdm */
+static int ett_rdm = -1;
+
+static void
+dissect_rdm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
+  gint offset = 0;
+  gint mdb_size;
+  proto_tree *ti=NULL,*rdm_tree=NULL;
+
+  /* Set the protocol column */
+  if(check_col(pinfo->cinfo,COL_PROTOCOL)){
+    col_set_str(pinfo->cinfo,COL_PROTOCOL,"RDM");
+  }
+                                                                                                                                                                                                     
+  /* Clear out stuff in the info column */
+  if(check_col(pinfo->cinfo,COL_INFO)){
+    col_clear(pinfo->cinfo,COL_INFO);
+  }
+                                                                                                                                                                                                     
+  if (tree) {
+    ti = proto_tree_add_item(tree, proto_rdm, tvb, offset, -1, FALSE);
+    rdm_tree = proto_item_add_subtree(ti, ett_rdm);
+  }
+                                                                                                                                                                                                     
+  if (check_col(pinfo->cinfo, COL_INFO)) {
+    col_append_fstr(pinfo->cinfo, COL_INFO, "%s",
+                    "RDM");
+  }
+                                                                                                                                                                                                     
+  if (tree)
+  {
+    proto_tree_add_item(rdm_tree, hf_rdm_sub_start_code, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    mdb_size = tvb_get_guint8(tvb, offset) - 19;
+    proto_tree_add_item(rdm_tree, hf_rdm_slot_count, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_dest_uid, tvb,
+                        offset, 6, FALSE);
+    offset += 6;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_src_uid, tvb,
+                        offset, 6, FALSE);
+    offset += 6;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_seq_nr, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_res_type, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_msg_count, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_sub_device, tvb,
+                        offset, 1, FALSE);
+    offset += 1;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_mdb, tvb,
+                        offset, mdb_size, FALSE);
+    offset += mdb_size;
+
+    proto_tree_add_item(rdm_tree, hf_rdm_checksum, tvb,
+                        offset, 2, FALSE);
+    offset += 2;
+  }
+}
+
+void
+proto_register_rdm(void) {
+  static hf_register_info hf[] = {
+    { &hf_rdm_sub_start_code,
+      { "Sub Start Code",
+        "rdm.sub_start_code",
+        FT_UINT8, BASE_HEX, NULL, 0x0,
+        "Sub Start Code", HFILL }},
+        
+    { &hf_rdm_slot_count,
+      { "Slot Count",
+        "rdm.slot_count",
+        FT_UINT8, BASE_DEC, NULL, 0x0,
+        "Slot Count", HFILL }},
+        
+   { &hf_rdm_dest_uid,
+      { "Dest. UID",
+        "rdm.dest_uid",
+        FT_BYTES, BASE_HEX, NULL, 0x0,
+        "Dest. UID", HFILL }},        
+
+   { &hf_rdm_src_uid,
+      { "Source UID",
+        "rdm.src_uid",
+        FT_BYTES, BASE_HEX, NULL, 0x0,
+        "Source UID", HFILL }}, 
+        
+    { &hf_rdm_seq_nr,
+      { "Sequence Number",
+        "rdm.seq_nr",
+        FT_UINT8, BASE_DEC, NULL, 0x0,
+        "Sequence Number", HFILL }},
+
+    { &hf_rdm_res_type,
+      { "Response Type",
+        "rdm.res_type",
+        FT_UINT8, BASE_HEX, NULL, 0x0,
+        "Response Type", HFILL }},
+
+    { &hf_rdm_msg_count,
+      { "Message Count",
+        "rdm.msg_count",
+        FT_UINT8, BASE_DEC, NULL, 0x0,
+        "Message Count", HFILL }},
+
+    { &hf_rdm_sub_device,
+      { "Sub Device",
+        "rdm.sub_device",
+        FT_UINT8, BASE_HEX, NULL, 0x0,
+        "Sub Device", HFILL }},
+        
+   { &hf_rdm_mdb,
+      { "MDB",
+        "rdm.mdb",
+        FT_BYTES, BASE_HEX, NULL, 0x0,
+        "MDB", HFILL }}, 
+
+    { &hf_rdm_checksum,
+      { "Checksum",
+        "rdm.checksum",
+        FT_UINT16, BASE_HEX, NULL, 0x0,
+        "Checksum", HFILL }}
+  };
+
+  static gint *ett[] = {
+    &ett_rdm,
+  };
+
+  proto_rdm = proto_register_protocol("RDM","RDM","rdm");
+
+  proto_register_field_array(proto_rdm,hf,array_length(hf));
+  proto_register_subtree_array(ett,array_length(ett));
+
+  register_dissector("rdm", dissect_rdm, proto_rdm);
+}
+
+/* The registration hand-off routing */
+
+void
+proto_reg_handoff_rdm(void) {
+  static int rdm_initialized = FALSE;
+  static dissector_handle_t rdm_handle;
+     
+  if(!rdm_initialized) {
+    rdm_handle = create_dissector_handle(dissect_rdm,proto_rdm);
+    rdm_initialized = TRUE;
+  } else {
+    dissector_delete("udp.port",0,rdm_handle);
+  }
+                           
+  dissector_add("udp.port",0,rdm_handle);
+}
+
+/* Start the functions we need for the plugin stuff */
+
+#ifndef ENABLE_STATIC
+
+G_MODULE_EXPORT void
+plugin_reg_handoff(void){
+  proto_reg_handoff_rdm();
+}
+
+G_MODULE_EXPORT void
+plugin_init(plugin_address_table_t *pat
+#ifndef PLUGINS_NEED_ADDRESS_TABLE
+_U_
+#endif
+){
+  /* initialise the table of pointers needed in Win32 DLLs */
+  plugin_address_table_init(pat);
+  /* register the new protocol, protocol fields, and subtrees */
+  if (proto_rdm == -1) { /* execute protocol initialization only once */
+    proto_register_rdm();
+  }
+}
+
+#endif
+
+/* End the functions we need for plugin stuff */
+