diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
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committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-gvrp.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (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.c | 349 |
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"); -} |