diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
---|---|---|
committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-eigrp.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-eigrp.c')
-rw-r--r-- | packet-eigrp.c | 509 |
1 files changed, 0 insertions, 509 deletions
diff --git a/packet-eigrp.c b/packet-eigrp.c deleted file mode 100644 index 70138f71b2..0000000000 --- a/packet-eigrp.c +++ /dev/null @@ -1,509 +0,0 @@ -/* packet-eigrp.c - * Routines for EIGRP dissection - * Copyright 2000, Paul Ionescu <paul@acorp.ro> - * - * $Id$ - * - * 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 <glib.h> -#include <epan/packet.h> -#include <epan/resolv.h> - -#include <epan/atalk-utils.h> -#include <epan/addr_and_mask.h> -#include "ipproto.h" -#include "packet-ipx.h" - -/* - * See - * - * http://www.rhyshaden.com/eigrp.htm - */ - -#define EIGRP_UPDATE 0x01 -#define EIGRP_REQUEST 0x02 -#define EIGRP_QUERY 0x03 -#define EIGRP_REPLY 0x04 -#define EIGRP_HELLO 0x05 -#define EIGRP_SAP 0x06 -#define EIGRP_HI 0x20 /* This value is for my own need to make a difference between Hello and Ack */ -#define EIGRP_ACK 0x40 /* This value is for my own need to make a difference between Hello and Ack */ - -#define TLV_PAR 0x0001 -#define TLV_AUTH 0x0002 -#define TLV_SEQ 0x0003 -#define TLV_SV 0x0004 -#define TLV_NMS 0x0005 -#define TLV_IP_INT 0x0102 -#define TLV_IP_EXT 0x0103 -#define TLV_AT_INT 0x0202 -#define TLV_AT_EXT 0x0203 -#define TLV_AT_CBL 0x0204 -#define TLV_IPX_INT 0x0302 -#define TLV_IPX_EXT 0x0303 - -#define EIGRP_HEADER_LENGTH 20 - -static gint proto_eigrp = -1; - -static gint hf_eigrp_opcode = -1; -static gint hf_eigrp_as = -1; -static gint hf_eigrp_tlv = -1; - -static gint ett_eigrp = -1; -static gint ett_tlv = -1; - -static dissector_handle_t ipxsap_handle; - - -static const value_string eigrp_opcode_vals[] = { - { EIGRP_HELLO, "Hello/Ack" }, - { EIGRP_UPDATE, "Update" }, - { EIGRP_REPLY, "Reply" }, - { EIGRP_QUERY, "Query" }, - { EIGRP_REQUEST, "Request" }, - { EIGRP_SAP, "IPX/SAP Update" }, - { EIGRP_HI, "Hello" }, - { EIGRP_ACK, "Acknowledge" }, - { 0, NULL } -}; - -static const value_string eigrp_tlv_vals[] = { - { TLV_PAR, "EIGRP Parameters"}, - { TLV_AUTH, "Authentication data"}, - { TLV_SEQ , "Sequence"}, - { TLV_SV, "Software Version"}, - { TLV_NMS , "Next multicast sequence"}, - { TLV_IP_INT, "IP internal route"}, - { TLV_IP_EXT, "IP external route"}, - { TLV_AT_INT, "AppleTalk internal route"}, - { TLV_AT_EXT, "AppleTalk external route"}, - { TLV_AT_CBL, "AppleTalk cable configuration"}, - { TLV_IPX_INT, "IPX internal route"}, - { TLV_IPX_EXT, "IPX external route"}, - { 0, NULL} -}; - -static const value_string eigrp_pid_vals[] = { - { 1, "IGRP"}, - { 2, "EIGRP"}, - { 3, "Static Route"}, - { 4, "RIP"}, - { 5, "Hello"}, - { 6, "OSPF"}, - { 7, "IS-IS"}, - { 8, "EGP"}, - { 9, "BGP"}, - { 10, "IDRP"}, - { 11, "Connected link"}, - { 0, NULL} -}; - - -static void dissect_eigrp_par (tvbuff_t *tvb, proto_tree *tree); -static void dissect_eigrp_seq (tvbuff_t *tvb, proto_tree *tree); -static void dissect_eigrp_sv (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); -static void dissect_eigrp_nms (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); - -static void dissect_eigrp_ip_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); -static void dissect_eigrp_ip_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); - -static void dissect_eigrp_ipx_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); -static void dissect_eigrp_ipx_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); - -static void dissect_eigrp_at_cbl (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); -static void dissect_eigrp_at_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); -static void dissect_eigrp_at_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti); - -static void -dissect_eigrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { - - proto_tree *eigrp_tree,*tlv_tree; - proto_item *ti; - - guint opcode,opcode_tmp; - guint16 tlv,size, offset = EIGRP_HEADER_LENGTH; - guint32 ack; - - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - col_set_str(pinfo->cinfo, COL_PROTOCOL, "EIGRP"); - if (check_col(pinfo->cinfo, COL_INFO)) - col_clear(pinfo->cinfo, COL_INFO); - - opcode_tmp=opcode=tvb_get_guint8(tvb,1); - ack = tvb_get_ntohl(tvb,12); - if (opcode==EIGRP_HELLO) { if (ack == 0) opcode_tmp=EIGRP_HI; else opcode_tmp=EIGRP_ACK; } - - if (check_col(pinfo->cinfo, COL_INFO)) - col_add_str(pinfo->cinfo, COL_INFO, - val_to_str(opcode_tmp , eigrp_opcode_vals, "Unknown (0x%04x)")); - - - - - if (tree) { - - ti = proto_tree_add_protocol_format(tree, proto_eigrp, tvb, 0, -1, - "Cisco EIGRP"); - - eigrp_tree = proto_item_add_subtree(ti, ett_eigrp); - - proto_tree_add_text (eigrp_tree, tvb, 0,1,"Version = %u",tvb_get_guint8(tvb,0)) ; - proto_tree_add_uint_format (eigrp_tree, hf_eigrp_opcode, tvb, 1,1,opcode,"Opcode = %u (%s)",opcode,val_to_str(opcode_tmp,eigrp_opcode_vals, "Unknown")) ; - proto_tree_add_text (eigrp_tree, tvb, 2,2,"Checksum = 0x%04x",tvb_get_ntohs(tvb,2)) ; - proto_tree_add_text (eigrp_tree, tvb, 4,4,"Flags = 0x%08x",tvb_get_ntohl(tvb,4)) ; - proto_tree_add_text (eigrp_tree, tvb, 8,4,"Sequence = %u",tvb_get_ntohl(tvb,8)) ; - proto_tree_add_text (eigrp_tree, tvb, 12,4,"Acknowledge = %u",tvb_get_ntohl(tvb,12)) ; - proto_tree_add_uint (eigrp_tree, hf_eigrp_as, tvb, 16,4,tvb_get_ntohl(tvb,16)) ; - - if (opcode==EIGRP_SAP) - { - call_dissector(ipxsap_handle, tvb_new_subset(tvb, EIGRP_HEADER_LENGTH, -1, -1), pinfo, eigrp_tree); - return; - } - - while ( tvb_reported_length_remaining(tvb,offset)>0 ) { - - tlv = tvb_get_ntohs(tvb,offset); - size = tvb_get_ntohs(tvb,offset+2); - if ( size == 0 ) - { - proto_tree_add_text(eigrp_tree,tvb,offset,-1,"Unknown data (maybe authentication)"); - return; - } - - ti = proto_tree_add_text (eigrp_tree, tvb, offset,size, - "%s",val_to_str(tlv, eigrp_tlv_vals, "Unknown (0x%04x)")); - - tlv_tree = proto_item_add_subtree (ti, ett_tlv); - proto_tree_add_uint_format (tlv_tree,hf_eigrp_tlv, tvb,offset,2,tlv,"Type = 0x%04x (%s)",tlv,val_to_str(tlv,eigrp_tlv_vals, "Unknown")) ; - proto_tree_add_text (tlv_tree,tvb,offset+2,2,"Size = %u bytes",size) ; - - - switch (tlv){ - case TLV_PAR: - dissect_eigrp_par(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree); - break; - case TLV_SEQ: - dissect_eigrp_seq(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree); - break; - case TLV_SV: - dissect_eigrp_sv(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_NMS: - dissect_eigrp_nms(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - - case TLV_IP_INT: - dissect_eigrp_ip_int(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_IP_EXT: - dissect_eigrp_ip_ext(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - - case TLV_IPX_INT: - dissect_eigrp_ipx_int(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_IPX_EXT: - dissect_eigrp_ipx_ext(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - - case TLV_AT_CBL: - dissect_eigrp_at_cbl(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_AT_INT: - dissect_eigrp_at_int(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_AT_EXT: - dissect_eigrp_at_ext(tvb_new_subset(tvb, offset+4, size-4, -1), tlv_tree, ti); - break; - case TLV_AUTH: - proto_tree_add_text(tlv_tree,tvb,offset+4,size-4,"Authentication data"); - break; - } - - offset+=size; - } - - } -} - - - -static void dissect_eigrp_par (tvbuff_t *tvb, proto_tree *tree) { - proto_tree_add_text (tree,tvb,0,1,"K1 = %u",tvb_get_guint8(tvb,0)); - proto_tree_add_text (tree,tvb,1,1,"K2 = %u",tvb_get_guint8(tvb,1)); - proto_tree_add_text (tree,tvb,2,1,"K3 = %u",tvb_get_guint8(tvb,2)); - proto_tree_add_text (tree,tvb,3,1,"K4 = %u",tvb_get_guint8(tvb,3)); - proto_tree_add_text (tree,tvb,4,1,"K5 = %u",tvb_get_guint8(tvb,4)); - proto_tree_add_text (tree,tvb,5,1,"Reserved"); - proto_tree_add_text (tree,tvb,6,2,"Hold Time = %u",tvb_get_ntohs(tvb,6)); -} - -static void dissect_eigrp_seq (tvbuff_t *tvb, proto_tree *tree) -{ guint8 addr_len; - addr_len=tvb_get_guint8(tvb,0); - proto_tree_add_text (tree,tvb,0,1,"Address length = %u",addr_len); - switch (addr_len){ - case 4: - proto_tree_add_text (tree,tvb,1,addr_len,"IP Address = %u.%u.%u.%u",tvb_get_guint8(tvb,1),tvb_get_guint8(tvb,2),tvb_get_guint8(tvb,3),tvb_get_guint8(tvb,4)); - break; - case 10: - proto_tree_add_text (tree,tvb,1,addr_len,"IPX Address = %08x.%04x.%04x.%04x",tvb_get_ntohl(tvb,1),tvb_get_ntohs(tvb,5),tvb_get_ntohs(tvb,7),tvb_get_ntohs(tvb,9)); - break; - default: - /* nothing */ - ; - } -} - -static void dissect_eigrp_sv (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - guint8 ios_rel_major, ios_rel_minor; - guint8 eigrp_rel_major, eigrp_rel_minor; - - ios_rel_major = tvb_get_guint8(tvb,0); - ios_rel_minor = tvb_get_guint8(tvb,1); - proto_tree_add_text (tree,tvb,0,2," IOS release version = %u.%u", - ios_rel_major, ios_rel_minor); - proto_item_append_text (ti,": IOS=%u.%u", ios_rel_major, ios_rel_minor); - - eigrp_rel_major = tvb_get_guint8(tvb,2); - eigrp_rel_minor = tvb_get_guint8(tvb,3); - proto_tree_add_text (tree,tvb,2,2,"EIGRP release version = %u.%u", - eigrp_rel_major, eigrp_rel_minor); - proto_item_append_text (ti,", EIGRP=%u.%u", - eigrp_rel_major, eigrp_rel_minor); -} - -static void dissect_eigrp_nms (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"Next Multicast Sequence = %u",tvb_get_ntohl(tvb,0)); - proto_item_append_text (ti,": %u",tvb_get_ntohl(tvb,0)); -} - - - -static void dissect_eigrp_ip_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - guint8 ip_addr[4],length; - int addr_len; - - tvb_memcpy(tvb,ip_addr,0,4); - proto_tree_add_text (tree,tvb,0,4, "Next Hop = %s",ip_to_str(ip_addr)); - proto_tree_add_text (tree,tvb,4,4, "Delay = %u",tvb_get_ntohl(tvb,4)); - proto_tree_add_text (tree,tvb,8,4, "Bandwidth = %u",tvb_get_ntohl(tvb,8)); - proto_tree_add_text (tree,tvb,12,3,"MTU = %u",tvb_get_ntoh24(tvb,12)); - proto_tree_add_text (tree,tvb,15,1,"Hop Count = %u",tvb_get_guint8(tvb,15)); - proto_tree_add_text (tree,tvb,16,1,"Reliability = %u",tvb_get_guint8(tvb,16)); - proto_tree_add_text (tree,tvb,17,1,"Load = %u",tvb_get_guint8(tvb,17)); - proto_tree_add_text (tree,tvb,18,2,"Reserved "); - length=tvb_get_guint8(tvb,20); - /* XXX - the EIGRP page whose URL appears at the top says this - field is 24 bits; what if the prefix length is > 24? */ - addr_len=ipv4_addr_and_mask (tvb,21,ip_addr,length); - if (addr_len < 0) { - proto_tree_add_text (tree,tvb,20,1,"Prefix length = %u (invalid, must be <= 32)",length); - proto_item_append_text (ti," [Invalid prefix length %u > 32]",length); - } else { - proto_tree_add_text (tree,tvb,20,1,"Prefix Length = %u",length); - proto_tree_add_text (tree,tvb,21,addr_len,"Destination = %s",ip_to_str(ip_addr)); - proto_item_append_text (ti," = %s/%u%s",ip_to_str(ip_addr),length,((tvb_get_ntohl(tvb,4)==0xffffffff)?" - Destination unreachable":"")); - } -} - -static void dissect_eigrp_ip_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - guint8 ip_addr[4],length; - int addr_len; - - tvb_memcpy(tvb,ip_addr,0,4); - proto_tree_add_text (tree,tvb,0,4,"Next Hop = %s",ip_to_str(ip_addr)); - tvb_memcpy(tvb,ip_addr,4,4); - proto_tree_add_text (tree,tvb,4,4,"Originating router = %s",ip_to_str(ip_addr)); - proto_tree_add_text (tree,tvb,8,4,"Originating A.S. = %u",tvb_get_ntohl(tvb,8)); - proto_tree_add_text (tree,tvb,12,4,"Arbitrary tag = %u",tvb_get_ntohl(tvb,12)); - proto_tree_add_text (tree,tvb,16,4,"External protocol metric = %u",tvb_get_ntohl(tvb,16)); - proto_tree_add_text (tree,tvb,20,2,"Reserved"); - proto_tree_add_text (tree,tvb,22,1,"External protocol ID = %u (%s)",tvb_get_guint8(tvb,22),val_to_str(tvb_get_guint8(tvb,22),eigrp_pid_vals, "Unknown")); - proto_tree_add_text (tree,tvb,23,1,"Flags = 0x%0x",tvb_get_guint8(tvb,23)); - - proto_tree_add_text (tree,tvb,24,4,"Delay = %u",tvb_get_ntohl(tvb,24)); - proto_tree_add_text (tree,tvb,28,4,"Bandwidth = %u",tvb_get_ntohl(tvb,28)); - proto_tree_add_text (tree,tvb,32,3,"MTU = %u",tvb_get_ntoh24(tvb,32)); - proto_tree_add_text (tree,tvb,35,1,"Hop Count = %u",tvb_get_guint8(tvb,35)); - proto_tree_add_text (tree,tvb,36,1,"Reliability = %u",tvb_get_guint8(tvb,36)); - proto_tree_add_text (tree,tvb,37,1,"Load = %u",tvb_get_guint8(tvb,37)); - proto_tree_add_text (tree,tvb,38,2,"Reserved "); - length=tvb_get_guint8(tvb,40); - /* XXX - the EIGRP page whose URL appears at the top says this - field is 24 bits; what if the prefix length is > 24? */ - addr_len=ipv4_addr_and_mask (tvb,41,ip_addr,length); - if (addr_len < 0) { - proto_tree_add_text (tree,tvb,40,1,"Prefix length = %u (invalid, must be <= 32)",length); - proto_item_append_text (ti," [Invalid prefix length %u > 32]",length); - } else { - proto_tree_add_text (tree,tvb,40,1,"Prefix Length = %u",length); - proto_tree_add_text (tree,tvb,41,addr_len,"Destination = %s",ip_to_str(ip_addr)); - proto_item_append_text (ti," = %s/%u%s",ip_to_str(ip_addr),length,((tvb_get_ntohl(tvb,4)==0xffffffff)?" - Destination unreachable":"")); - } -} - - - -static void dissect_eigrp_ipx_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"Next Hop Address = %08x",tvb_get_ntohl(tvb,4)); - proto_tree_add_text (tree,tvb,4,6,"Next Hop ID = %04x:%04x:%04x",tvb_get_ntohs(tvb,4),tvb_get_ntohs(tvb,6),tvb_get_ntohs(tvb,8)); - proto_tree_add_text (tree,tvb,10,4,"Delay = %u",tvb_get_ntohl(tvb,10)); - proto_tree_add_text (tree,tvb,14,4,"Bandwidth = %u",tvb_get_ntohl(tvb,14)); - proto_tree_add_text (tree,tvb,18,3,"MTU = %u",tvb_get_ntoh24(tvb,18)); - proto_tree_add_text (tree,tvb,21,1,"Hop Count = %u",tvb_get_guint8(tvb,21)); - proto_tree_add_text (tree,tvb,22,1,"Reliability = %u",tvb_get_guint8(tvb,22)); - proto_tree_add_text (tree,tvb,23,1,"Load = %u",tvb_get_guint8(tvb,23)); - proto_tree_add_text (tree,tvb,24,2,"Reserved "); - proto_tree_add_text (tree,tvb,26,4,"Destination Address = %08x",tvb_get_ntohl(tvb,26)); - proto_item_append_text (ti," = %08x%s",tvb_get_ntohl(tvb,26),((tvb_get_ntohl(tvb,10)==0xffffffff)?" - Destination unreachable":"")); -} - -static void dissect_eigrp_ipx_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"Next Hop Address = %08x",tvb_get_ntohl(tvb,4)); - proto_tree_add_text (tree,tvb,4,6,"Next Hop ID = %04x:%04x:%04x",tvb_get_ntohs(tvb,4),tvb_get_ntohs(tvb,6),tvb_get_ntohs(tvb,8)); - - proto_tree_add_text (tree,tvb,10,6,"Originating router ID = %04x:%04x:%04x",tvb_get_ntohs(tvb,10),tvb_get_ntohs(tvb,12),tvb_get_ntohs(tvb,14)); - proto_tree_add_text (tree,tvb,16,4,"Originating A.S. = %u",tvb_get_ntohl(tvb,16)); - proto_tree_add_text (tree,tvb,20,4,"Arbitrary tag = %u",tvb_get_ntohl(tvb,20)); - proto_tree_add_text (tree,tvb,24,1,"External protocol = %u",tvb_get_guint8(tvb,24)); - proto_tree_add_text (tree,tvb,25,1,"Reserved"); - proto_tree_add_text (tree,tvb,26,2,"External metric = %u ",tvb_get_ntohs(tvb,26)); - proto_tree_add_text (tree,tvb,28,2,"External delay = %u ",tvb_get_ntohs(tvb,28)); - - proto_tree_add_text (tree,tvb,30,4,"Delay = %u",tvb_get_ntohl(tvb,30)); - proto_tree_add_text (tree,tvb,34,4,"Bandwidth = %u",tvb_get_ntohl(tvb,34)); - proto_tree_add_text (tree,tvb,38,3,"MTU = %u",tvb_get_ntoh24(tvb,38)); - proto_tree_add_text (tree,tvb,41,1,"Hop Count = %u",tvb_get_guint8(tvb,41)); - proto_tree_add_text (tree,tvb,42,1,"Reliability = %u",tvb_get_guint8(tvb,42)); - proto_tree_add_text (tree,tvb,43,1,"Load = %u",tvb_get_guint8(tvb,43)); - proto_tree_add_text (tree,tvb,44,2,"Reserved "); - proto_tree_add_text (tree,tvb,46,4,"Destination Address = %08x",tvb_get_ntohl(tvb,46)); - proto_item_append_text (ti," = %08x%s",tvb_get_ntohl(tvb,46),((tvb_get_ntohl(tvb,30)==0xffffffff)?" - Destination unreachable":"")); - -} - - - -static void dissect_eigrp_at_cbl (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"AppleTalk Cable Range = %u-%u",tvb_get_ntohs(tvb,0),tvb_get_ntohs(tvb,2)); - proto_tree_add_text (tree,tvb,4,4,"AppleTalk Router ID = %u",tvb_get_ntohl(tvb,4)); - proto_item_append_text (ti,": Cable range= %u-%u, Router ID= %u",tvb_get_ntohs(tvb,0),tvb_get_ntohs(tvb,2),tvb_get_ntohl(tvb,4)); - -} - -static void dissect_eigrp_at_int (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"Next Hop Address = %u.%u",tvb_get_ntohs(tvb,0),tvb_get_ntohs(tvb,2)); - - proto_tree_add_text (tree,tvb,4,4,"Delay = %u",tvb_get_ntohl(tvb,4)); - proto_tree_add_text (tree,tvb,8,4,"Bandwidth = %u",tvb_get_ntohl(tvb,8)); - proto_tree_add_text (tree,tvb,12,3,"MTU = %u",tvb_get_ntoh24(tvb,12)); - proto_tree_add_text (tree,tvb,15,1,"Hop Count = %u",tvb_get_guint8(tvb,15)); - proto_tree_add_text (tree,tvb,16,1,"Reliability = %u",tvb_get_guint8(tvb,16)); - proto_tree_add_text (tree,tvb,17,1,"Load = %u",tvb_get_guint8(tvb,17)); - proto_tree_add_text (tree,tvb,18,2,"Reserved "); - proto_tree_add_text (tree,tvb,20,4,"Cable range = %u-%u",tvb_get_ntohs(tvb,20),tvb_get_ntohs(tvb,22)); - - proto_item_append_text (ti,": %u-%u",tvb_get_ntohs(tvb,20),tvb_get_ntohs(tvb,22)); - -} - -static void dissect_eigrp_at_ext (tvbuff_t *tvb, proto_tree *tree, proto_item *ti) -{ - proto_tree_add_text (tree,tvb,0,4,"Next Hop Address = %u.%u",tvb_get_ntohs(tvb,0),tvb_get_ntohs(tvb,2)); - proto_tree_add_text (tree,tvb,4,4,"Originating router ID = %u",tvb_get_ntohl(tvb,4)); - proto_tree_add_text (tree,tvb,8,4,"Originating A.S. = %u",tvb_get_ntohl(tvb,8)); - proto_tree_add_text (tree,tvb,12,4,"Arbitrary tag = %u",tvb_get_ntohl(tvb,12)); - proto_tree_add_text (tree,tvb,16,1,"External protocol ID = %u ",tvb_get_guint8(tvb,16)); - proto_tree_add_text (tree,tvb,17,1,"Flags = 0x%0x",tvb_get_guint8(tvb,17)); - proto_tree_add_text (tree,tvb,18,2,"External protocol metric = %u",tvb_get_ntohs(tvb,18)); - - proto_tree_add_text (tree,tvb,20,4,"Delay = %u",tvb_get_ntohl(tvb,20)); - proto_tree_add_text (tree,tvb,24,4,"Bandwidth = %u",tvb_get_ntohl(tvb,24)); - proto_tree_add_text (tree,tvb,28,3,"MTU = %u",tvb_get_ntoh24(tvb,28)); - proto_tree_add_text (tree,tvb,31,1,"Hop Count = %u",tvb_get_guint8(tvb,31)); - proto_tree_add_text (tree,tvb,32,1,"Reliability = %u",tvb_get_guint8(tvb,32)); - proto_tree_add_text (tree,tvb,33,1,"Load = %u",tvb_get_guint8(tvb,33)); - proto_tree_add_text (tree,tvb,34,2,"Reserved "); - proto_tree_add_text (tree,tvb,36,4,"Cable range = %u-%u",tvb_get_ntohs(tvb,36),tvb_get_ntohs(tvb,38)); - - proto_item_append_text (ti,": %u-%u",tvb_get_ntohs(tvb,36),tvb_get_ntohs(tvb,38)); -} - - - - -void -proto_register_eigrp(void) -{ - static hf_register_info hf[] = { - { &hf_eigrp_opcode, - { "Opcode", "eigrp.opcode", - FT_UINT8, BASE_DEC, NULL, 0x0 , - "Opcode number", HFILL } - }, - { &hf_eigrp_as, - { "Autonomous System ", "eigrp.as", - FT_UINT16, BASE_DEC, NULL, 0x0 , - "Autonomous System number", HFILL } - }, - { &hf_eigrp_tlv, - { "Entry ", "eigrp.tlv", - FT_UINT16, BASE_DEC, NULL, 0x0 , - "Type/Length/Value", HFILL } - }, - }; - - static gint *ett[] = { - &ett_eigrp, - &ett_tlv, - }; - proto_eigrp = proto_register_protocol("Enhanced Interior Gateway Routing Protocol", - "EIGRP", "eigrp"); - proto_register_field_array(proto_eigrp, hf, array_length(hf)); - proto_register_subtree_array(ett, array_length(ett)); -} - -void -proto_reg_handoff_eigrp(void) -{ - dissector_handle_t eigrp_handle; - - ipxsap_handle = find_dissector("ipxsap"); - eigrp_handle = create_dissector_handle(dissect_eigrp, proto_eigrp); - dissector_add("ip.proto", IP_PROTO_EIGRP, eigrp_handle); - dissector_add("ddp.type", DDP_EIGRP, eigrp_handle); - dissector_add("ipx.socket", IPX_SOCKET_EIGRP, eigrp_handle); -} |