diff options
Diffstat (limited to 'packet-igrp.c')
| -rw-r--r-- | packet-igrp.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/packet-igrp.c b/packet-igrp.c index bdde487766..bd2462900d 100644 --- a/packet-igrp.c +++ b/packet-igrp.c @@ -1,25 +1,25 @@ /* packet-igrp.c * Routines for IGRP dissection * Copyright 2000, Paul Ionescu <paul@acorp.ro> - * - * $Id: packet-igrp.c,v 1.12 2002/01/24 09:20:48 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@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. @@ -58,18 +58,18 @@ static void dissect_igrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) guint16 as,net1,net2,net3; proto_item *ti; proto_tree *igrp_tree, *igrp_vektor_tree; - tvbuff_t *next_tvb; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) + 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); - + ver_and_opcode = tvb_get_guint8(tvb,0); update = tvb_get_guint8(tvb,1); as = tvb_get_ntohs(tvb,2); - - + + if (check_col(pinfo->cinfo, COL_INFO)) { switch (ver_and_opcode) { case 0x11: @@ -78,23 +78,23 @@ static void dissect_igrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) case 0x12: col_add_fstr(pinfo->cinfo, COL_INFO, "Request" ); break; - default: - col_add_fstr(pinfo->cinfo, 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, -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); @@ -106,7 +106,7 @@ static void dissect_igrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) /* 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-- ) { @@ -155,21 +155,21 @@ static void dissect_vektor_igrp (tvbuff_t *tvb, proto_tree *igrp_vektor_tree, gu 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[] = { @@ -220,7 +220,7 @@ HEADER structure is 12 bytes as follows : 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 |