/* packet-igrp.c
* Routines for IGRP dissection
* Copyright 2000, Paul Ionescu <paul@acorp.ro>
- *
- * $Id: packet-igrp.c,v 1.4 2001/01/09 06:31:36 guy Exp $
+ *
+ * $Id: packet-igrp.c,v 1.13 2002/08/28 21:00:17 jmayer Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Copied from packet-syslog.c
- *
+ *
* 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 <string.h>
#include <glib.h>
-#include "packet.h"
+#include <epan/packet.h>
+#include "ipproto.h"
-#define IP_PROTO_IGRP 9
#define IGRP_HEADER_LENGTH 12
#define IGRP_ENTRY_LENGTH 14
guint16 as,net1,net2,net3;
proto_item *ti;
proto_tree *igrp_tree, *igrp_vektor_tree;
- tvbuff_t *next_tvb;
-
- CHECK_DISPLAY_AS_DATA(proto_igrp, tvb, pinfo, tree);
+ tvbuff_t *next_tvb;
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "IGRP");
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
- pinfo->current_proto = "IGRP";
-
ver_and_opcode = tvb_get_guint8(tvb,0);
update = tvb_get_guint8(tvb,1);
as = tvb_get_ntohs(tvb,2);
-
-
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_set_str(pinfo->fd, COL_PROTOCOL, "IGRP");
-
- if (check_col(pinfo->fd, COL_INFO)) {
+
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
switch (ver_and_opcode) {
case 0x11:
- col_add_fstr(pinfo->fd, COL_INFO, "Response" );
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Response" );
break;
case 0x12:
- col_add_fstr(pinfo->fd, COL_INFO, "Request" );
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Request" );
break;
- default:
- col_add_fstr(pinfo->fd, COL_INFO, "Unknown version or opcode");
+ default:
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown version or opcode");
}
}
-
+
if (tree) {
- ti = proto_tree_add_protocol_format(tree, proto_igrp, tvb, 0,
- tvb_length(tvb), "Cisco IGRP ");
-
+ ti = proto_tree_add_protocol_format(tree, proto_igrp, tvb, 0, -1,
+ "Cisco IGRP");
+
igrp_tree = proto_item_add_subtree(ti, ett_igrp);
-
+
version = (ver_and_opcode&0xf0)>>4 ; /* version is the fist half of the byte */
opcode = ver_and_opcode&0x0f ; /* opcode is the last half of the byte */
-
+
proto_tree_add_text(igrp_tree, tvb, 0,1,"IGRP Version : %d %s",version,(version==1?" ":" - Unknown Version, The dissection may be innacurate"));
proto_tree_add_text(igrp_tree, tvb, 0,1,"Command : %d %s",opcode,(opcode==1?"(Response)":"(Request)"));
proto_tree_add_uint(igrp_tree, hf_igrp_update, tvb, 1,1, update);
/* this is a ugly hack to find the first byte of the IP source address */
network = pinfo->net_src.data[0];
-
+
ti = proto_tree_add_text(igrp_tree, tvb, 4,2,"Interior routes : %d",net1);
for( ; net1>0 ; net1-- )
{
if (network==0) ptr_addr=&addr[1];
ti = proto_tree_add_text (igrp_vektor_tree, tvb, 0 ,14,
- "Entry for network %s", ip_to_str(ptr_addr)) ;
+ "Entry for network %s", ip_to_str(ptr_addr)) ;
igrp_vektor_tree = proto_item_add_subtree(ti,ett_igrp_net);
- proto_tree_add_text (igrp_vektor_tree, tvb, 0 ,3,"Network = %s",ip_to_str(ptr_addr)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 3 ,3,"Delay = %d",tvb_get_ntoh24(tvb,3)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 6 ,3,"Bandwidth = %d",tvb_get_ntoh24(tvb,6)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 9 ,2,"MTU = %d bytes",tvb_get_ntohs(tvb,9)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 11,1,"Reliability = %d",tvb_get_guint8(tvb,11)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 12,1,"Load = %d",tvb_get_guint8(tvb,12)) ;
- proto_tree_add_text (igrp_vektor_tree, tvb, 13,1,"Hop count = %d hops",tvb_get_guint8(tvb,13)) ;
-}
-
-
+ proto_tree_add_text (igrp_vektor_tree, tvb, 0 ,3,"Network = %s",ip_to_str(ptr_addr)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 3 ,3,"Delay = %d",tvb_get_ntoh24(tvb,3)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 6 ,3,"Bandwidth = %d",tvb_get_ntoh24(tvb,6)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 9 ,2,"MTU = %d bytes",tvb_get_ntohs(tvb,9)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 11,1,"Reliability = %d",tvb_get_guint8(tvb,11)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 12,1,"Load = %d",tvb_get_guint8(tvb,12)) ;
+ proto_tree_add_text (igrp_vektor_tree, tvb, 13,1,"Hop count = %d hops",tvb_get_guint8(tvb,13)) ;
+}
+
+
/* Register the protocol with Ethereal */
void proto_register_igrp(void)
-{
+{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_igrp_update,
{ "Update Release", "igrp.update",
FT_UINT8, BASE_DEC, NULL, 0x0 ,
- "Update Release number" },
+ "Update Release number", HFILL }
},
{ &hf_igrp_as,
{ "Autonomous System", "igrp.as",
FT_UINT16, BASE_DEC, NULL, 0x0 ,
- "Autonomous System number" }
+ "Autonomous System number", HFILL }
}
};
void
proto_reg_handoff_igrp(void)
{
- dissector_add("ip.proto", IP_PROTO_IGRP , dissect_igrp, proto_igrp);
+ dissector_handle_t igrp_handle;
+
+ igrp_handle = create_dissector_handle(dissect_igrp, proto_igrp);
+ dissector_add("ip.proto", IP_PROTO_IGRP, igrp_handle);
}
/* IGRP Packet structure:
4 bits Version (only version 1 is defined)
4 bits Opcode (1=Replay, 2=Request)
-8 bits Update Release
+8 bits Update Release
16 bits Autonomous system number
16 bits Number of Interior routes
16 bits Number of System routes
git.samba.org / metze / wireshark / wip.git / blobdiff