From Peter Fales: ARCNET support.

Sort the lists of dissectors in the DISSECTOR_SRC macros in
"Makefile.am" and "Makefile.nmake".

svn path=/trunk/; revision=6450

1 files changed, 185 insertions, 0 deletions

diff --git a/packet-arcnet.c b/packet-arcnet.c
new file mode 100644
index 0000000000..72043512c9
--- /dev/null
+++ b/packet-arcnet.c
@@ -0,0 +1,185 @@
+/* packet-arcnet.c
+ * Routines for arcnet dissection
+ * Copyright 2001-2002, Peter Fales <ethereal@fales-lorenz.net>
+ *
+ * $Id: packet-arcnet.c,v 1.1 2002/10/18 20:59:57 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+
+#include <glib.h>
+
+#ifdef NEED_SNPRINTF_H
+# include "snprintf.h"
+#endif
+
+#include <epan/packet.h>
+#if 0
+#include "packet-ip.h"
+#endif
+#include "arcnet_pids.h"
+
+/* Initialize the protocol and registered fields */
+static int proto_arcnet = -1;
+static int hf_arcnet_src = -1;
+static int hf_arcnet_dst = -1;
+static int hf_arcnet_protID = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_arcnet = -1;
+
+static dissector_table_t arcnet_dissector_table;
+static dissector_handle_t data_handle;
+
+/* Code to actually dissect the packets */
+static void
+dissect_arcnet (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
+{
+  guint8 dst, src, protID;
+  tvbuff_t *next_tvb;
+
+/* Set up structures needed to add the protocol subtree and manage it */
+  proto_item *ti;
+  proto_tree *arcnet_tree;
+
+/* Make entries in Protocol column and Info column on summary display */
+  if (check_col (pinfo->cinfo, COL_PROTOCOL))
+    col_set_str (pinfo->cinfo, COL_PROTOCOL, "ARCNET");
+
+  if (check_col (pinfo->cinfo, COL_INFO))
+    col_set_str (pinfo->cinfo, COL_INFO, "ARCNET");
+
+  src = tvb_get_guint8 (tvb, 0);
+  dst = tvb_get_guint8 (tvb, 1);
+  protID = tvb_get_guint8 (tvb, 4);
+
+/* In the interest of speed, if "tree" is NULL, don't do any work not
+   necessary to generate protocol tree items. */
+  if (tree)
+    {
+
+/* create display subtree for the protocol */
+      ti =
+	proto_tree_add_item (tree, proto_arcnet, tvb, 0, tvb_length (tvb),
+			     FALSE);
+
+      arcnet_tree = proto_item_add_subtree (ti, ett_arcnet);
+
+      proto_tree_add_uint (tree, hf_arcnet_src, tvb, 0, 1, src);
+      proto_tree_add_uint (tree, hf_arcnet_dst, tvb, 1, 1, dst);
+      proto_tree_add_uint (tree, hf_arcnet_protID, tvb, 4, 1, protID);
+    }
+
+/* If this protocol has a sub-dissector call it here, see section 1.8 */
+
+  next_tvb = tvb_new_subset (tvb, 8, -1, -1);
+
+  if (!dissector_try_port (arcnet_dissector_table, protID,
+			   next_tvb, pinfo, tree))
+    {
+      if (check_col (pinfo->cinfo, COL_PROTOCOL))
+	{
+	  col_add_fstr (pinfo->cinfo, COL_PROTOCOL, "0x%04x", protID);
+	}
+      call_dissector (data_handle, next_tvb, pinfo, tree);
+    }
+
+}
+
+
+/* Register the protocol with Ethereal */
+
+/* this format is require because a script is used to build the C function
+   that calls all the protocol registration.
+*/
+
+static const value_string arcnet_prot_id_vals[] = {
+  {ARCNET_PROTO_IP, "IP packet"},
+  {ARCNET_PROTO_ARP, "ARP packet"},
+  {ARCNET_PROTO_IPX, "IPX packet"},
+  {0, NULL}
+};
+
+void
+proto_register_arcnet (void)
+{
+
+/* Setup list of header fields  See Section 1.6.1 for details*/
+  static hf_register_info hf[] = {
+    {&hf_arcnet_src,
+     {"Source", "arcnet.src",
+      FT_UINT8, BASE_HEX, NULL, 0,
+      "Source ID", HFILL}
+     },
+    {&hf_arcnet_dst,
+     {"Dest", "arcnet.dst",
+      FT_UINT8, BASE_HEX, NULL, 0,
+      "Dest ID", HFILL}
+     },
+    {&hf_arcnet_protID,
+     {"Protocol ID", "arcnet.protID",
+      FT_UINT8, BASE_HEX, VALS(arcnet_prot_id_vals), 0,
+      "Proto type", HFILL}
+     },
+  };
+
+/* Setup protocol subtree array */
+  static gint *ett[] = {
+    &ett_arcnet,
+  };
+
+  arcnet_dissector_table = register_dissector_table ("arcnet.protocol_id",
+						     "ARCNET Protocol ID",
+						     FT_UINT8, BASE_HEX);
+
+/* Register the protocol name and description */
+  proto_arcnet = proto_register_protocol ("ARCNET", "ARCNET", "arcnet");
+
+/* Required function calls to register the header fields and subtrees used */
+  proto_register_field_array (proto_arcnet, hf, array_length (hf));
+  proto_register_subtree_array (ett, array_length (ett));
+}
+
+
+void
+proto_reg_handoff_arcnet (void)
+{
+  dissector_handle_t arcnet_handle;
+
+  arcnet_handle = create_dissector_handle (dissect_arcnet, proto_arcnet);
+
+  dissector_add ("wtap_encap", WTAP_ENCAP_ARCNET, arcnet_handle);
+  data_handle = find_dissector ("data");
+}