aboutsummaryrefslogtreecommitdiffstats
path: root/packet-gvrp.c
diff options
context:
space:
mode:
authorGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
committerGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
commit669db206cb1f270046ad400fff7655e20c63e723 (patch)
tree4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-gvrp.c
parentae46c27a38700af669ef907491081f09df6f6b2c (diff)
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl, make-reg-dotc, and make-reg-dotc.py. Adjust #include lines in files that include packet-*.h files. svn path=/trunk/; revision=11410
Diffstat (limited to 'packet-gvrp.c')
-rw-r--r--packet-gvrp.c349
1 files changed, 0 insertions, 349 deletions
diff --git a/packet-gvrp.c b/packet-gvrp.c
deleted file mode 100644
index 80fd96ad05..0000000000
--- a/packet-gvrp.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/* packet-gvrp.c
- * Routines for GVRP (GARP VLAN Registration Protocol) dissection
- * Copyright 2000, Kevin Shi <techishi@ms22.hinet.net>
- *
- * $Id$
- *
- * 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>
-
-#include <glib.h>
-
-#include <epan/packet.h>
-#include "llcsaps.h"
-
-/* Initialize the protocol and registered fields */
-static int proto_gvrp = -1;
-static int hf_gvrp_proto_id = -1;
-static int hf_gvrp_attribute_type = -1;
-static int hf_gvrp_attribute_length = -1;
-static int hf_gvrp_attribute_event = -1;
-static int hf_gvrp_attribute_value = -1;
-/*static int hf_gvrp_end_of_mark = -1;*/
-
-/* Initialize the subtree pointers */
-static gint ett_gvrp = -1;
-/*static gint ett_gvrp_message = -1;
-static gint ett_gvrp_attribute_list = -1;
-static gint ett_gvrp_attribute = -1;*/
-
-static dissector_handle_t data_handle;
-
-/* Constant definitions */
-#define GARP_DEFAULT_PROTOCOL_ID 0x0001
-#define GARP_END_OF_MARK 0x00
-
-#define GVRP_ATTRIBUTE_TYPE 0x01
-
-static const value_string attribute_type_vals[] = {
- { GVRP_ATTRIBUTE_TYPE, "VID" },
- { 0, NULL }
-};
-
-/* The length of GVRP LeaveAll attribute should be 2 octets (one for length
- * and the other for event) */
-#define GVRP_LENGTH_LEAVEALL (sizeof(guint8)+sizeof(guint8))
-
-/* The length of GVRP attribute other than LeaveAll should be 4 octets (one
- * for length, one for event, and the last two for VID value).
- */
-#define GVRP_LENGTH_NON_LEAVEALL (sizeof(guint8)+sizeof(guint8)+sizeof(guint16))
-
-/* Packet offset definitions */
-#define GARP_PROTOCOL_ID 0
-
-/* Event definitions */
-#define GVRP_EVENT_LEAVEALL 0
-#define GVRP_EVENT_JOINEMPTY 1
-#define GVRP_EVENT_JOININ 2
-#define GVRP_EVENT_LEAVEEMPTY 3
-#define GVRP_EVENT_LEAVEIN 4
-#define GVRP_EVENT_EMPTY 5
-
-static const value_string event_vals[] = {
- { GVRP_EVENT_LEAVEALL, "Leave All" },
- { GVRP_EVENT_JOINEMPTY, "Join Empty" },
- { GVRP_EVENT_JOININ, "Join In" },
- { GVRP_EVENT_LEAVEEMPTY, "Leave Empty" },
- { GVRP_EVENT_LEAVEIN, "Leave In" },
- { GVRP_EVENT_EMPTY, "Empty" },
- { 0, NULL }
-};
-
-/* Code to actually dissect the packets */
-static void
-dissect_gvrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- proto_item *ti;
- proto_tree *gvrp_tree;
- guint16 protocol_id;
- guint8 octet;
- int msg_index, attr_index, offset = 0, length = tvb_reported_length(tvb);
-
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "GVRP");
-
- if (check_col(pinfo->cinfo, COL_INFO))
- col_set_str(pinfo->cinfo, COL_INFO, "GVRP");
-
- if (tree)
- {
- ti = proto_tree_add_item(tree, proto_gvrp, tvb, 0, length, FALSE);
-
- gvrp_tree = proto_item_add_subtree(ti, ett_gvrp);
-
- /* Read in GARP protocol ID */
- protocol_id = tvb_get_ntohs(tvb, GARP_PROTOCOL_ID);
-
- proto_tree_add_uint_format(gvrp_tree, hf_gvrp_proto_id, tvb,
- GARP_PROTOCOL_ID, sizeof(guint16),
- protocol_id,
- "Protocol Identifier: 0x%04x (%s)",
- protocol_id,
- protocol_id == GARP_DEFAULT_PROTOCOL_ID ?
- "GARP VLAN Registration Protocol" :
- "Unknown Protocol");
-
- /* Currently only one protocol ID is supported */
- if (protocol_id != GARP_DEFAULT_PROTOCOL_ID)
- {
- proto_tree_add_text(gvrp_tree, tvb, GARP_PROTOCOL_ID, sizeof(guint16),
- " (Warning: this version of Ethereal only knows about protocol id = 1)");
- call_dissector(data_handle,
- tvb_new_subset(tvb, GARP_PROTOCOL_ID + sizeof(guint16), -1, -1),
- pinfo, tree);
- return;
- }
-
- offset += sizeof(guint16);
- length -= sizeof(guint16);
-
- msg_index = 0;
-
- /* Begin to parse GARP messages */
- while (length)
- {
- proto_item *msg_item;
- int msg_start = offset;
-
- /* Read in attribute type. */
- octet = tvb_get_guint8(tvb, offset);
-
- /* Check for end of mark */
- if (octet == GARP_END_OF_MARK)
- {
- /* End of GARP PDU */
- if (msg_index)
- {
- proto_tree_add_text(gvrp_tree, tvb, offset, sizeof(guint8),
- "End of mark");
- break;
- }
- else
- {
- call_dissector(data_handle,
- tvb_new_subset(tvb, offset, -1, -1), pinfo, tree);
- return;
- }
- }
-
- offset += sizeof(guint8);
- length -= sizeof(guint8);
-
- msg_item = proto_tree_add_text(gvrp_tree, tvb, msg_start, -1,
- "Message %d", msg_index + 1);
-
- proto_tree_add_uint(gvrp_tree, hf_gvrp_attribute_type, tvb,
- msg_start, sizeof(guint8), octet);
-
- /* GVRP only supports one attribute type. */
- if (octet != GVRP_ATTRIBUTE_TYPE)
- {
- call_dissector(data_handle, tvb_new_subset(tvb, offset,-1, -1),
- pinfo, tree);
- return;
- }
-
- attr_index = 0;
-
- while (length)
- {
- int attr_start = offset;
- proto_item *attr_item;
-
- /* Read in attribute length. */
- octet = tvb_get_guint8(tvb, offset);
-
- /* Check for end of mark */
- if (octet == GARP_END_OF_MARK)
- {
- /* If at least one message has been already read,
- * check for another end of mark.
- */
- if (attr_index)
- {
- proto_tree_add_text(gvrp_tree, tvb, offset,
- sizeof(guint8), " End of mark");
-
- offset += sizeof(guint8);
- length -= sizeof(guint8);
-
- proto_item_set_len(msg_item, offset - msg_start);
- break;
- }
- else
- {
- call_dissector(data_handle,
- tvb_new_subset(tvb, offset, -1, -1), pinfo, tree);
- return;
- }
- }
- else
- {
- guint8 event;
-
- offset += sizeof(guint8);
- length -= sizeof(guint8);
-
- attr_item = proto_tree_add_text(gvrp_tree, tvb,
- attr_start, -1, " Attribute %d", attr_index + 1);
-
- proto_tree_add_uint(gvrp_tree, hf_gvrp_attribute_length,
- tvb, attr_start, sizeof(guint8), octet);
-
- /* Read in attribute event */
- event = tvb_get_guint8(tvb, offset);
-
- proto_tree_add_uint(gvrp_tree, hf_gvrp_attribute_event,
- tvb, offset, sizeof(guint8), event);
-
- offset += sizeof(guint8);
- length -= sizeof(guint8);
-
- switch (event) {
-
- case GVRP_EVENT_LEAVEALL:
- if (octet != GVRP_LENGTH_LEAVEALL)
- {
- call_dissector(data_handle,
- tvb_new_subset(tvb, offset, -1, -1), pinfo,
- tree);
- return;
- }
- break;
-
- case GVRP_EVENT_JOINEMPTY:
- case GVRP_EVENT_JOININ:
- case GVRP_EVENT_LEAVEEMPTY:
- case GVRP_EVENT_LEAVEIN:
- case GVRP_EVENT_EMPTY:
- if (octet != GVRP_LENGTH_NON_LEAVEALL)
- {
- call_dissector(data_handle,
- tvb_new_subset(tvb, offset, -1, -1),pinfo,
- tree);
- return;
- }
-
- /* Show attribute value */
- proto_tree_add_item(gvrp_tree, hf_gvrp_attribute_value,
- tvb, offset, sizeof(guint16), FALSE);
-
- offset += sizeof(guint16);
- length -= sizeof(guint16);
- break;
-
- default:
- call_dissector(data_handle,
- tvb_new_subset(tvb, offset, -1, -1), pinfo, tree);
- return;
- }
- }
-
- proto_item_set_len(attr_item, offset - attr_start);
-
- attr_index++;
- }
-
- msg_index++;
- }
- }
-}
-
-
-/* Register the protocol with Ethereal */
-void
-proto_register_gvrp(void)
-{
- static hf_register_info hf[] = {
- { &hf_gvrp_proto_id,
- { "Protocol ID", "garp.protocol_id",
- FT_UINT16, BASE_HEX, NULL, 0x0,
- "", HFILL }
- },
- { &hf_gvrp_attribute_type,
- { "Type", "garp.attribute_type",
- FT_UINT8, BASE_HEX, VALS(attribute_type_vals), 0x0,
- "", HFILL }
- },
- { &hf_gvrp_attribute_length,
- { "Length", "garp.attribute_length",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "", HFILL }
- },
- { &hf_gvrp_attribute_event,
- { "Event", "garp.attribute_event",
- FT_UINT8, BASE_DEC, VALS(event_vals), 0x0,
- "", HFILL }
- },
- { &hf_gvrp_attribute_value,
- { "Value", "garp.attribute_value",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "", HFILL }
- }
- };
-
- static gint *ett[] = {
- &ett_gvrp
- };
-
- /* Register the protocol name and description for GVRP */
- proto_gvrp = proto_register_protocol("GARP VLAN Registration Protocol",
- "GVRP", "gvrp");
-
- /* Required function calls to register the header fields and subtrees
- * used by GVRP */
- proto_register_field_array(proto_gvrp, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-
- register_dissector("gvrp", dissect_gvrp, proto_gvrp);
-}
-
-void
-proto_reg_handoff_gvrp(void){
- data_handle = find_dissector("data");
-}