diff options
| -rw-r--r-- | packet-zebra.c | 1312 |
1 files changed, 657 insertions, 655 deletions
diff --git a/packet-zebra.c b/packet-zebra.c index 67962ce3b9..940f6c0383 100644 --- a/packet-zebra.c +++ b/packet-zebra.c @@ -1,655 +1,657 @@ -/* packet-zebra.c
- * Routines for zebra packet disassembly
- *
- * Jochen Friedrich <jochen@scram.de>
- *
- * $Id: packet-zebra.c,v 1.1 2000/08/18 15:26:52 gram Exp $
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
- * 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
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#include <string.h>
-#include <ctype.h>
-
-#include <glib.h>
-#include "packet.h"
-
-static int proto_zebra = -1;
-static int hf_zebra_len = -1;
-static int hf_zebra_command = -1;
-static int hf_zebra_request = -1;
-static int hf_zebra_interface = -1;
-static int hf_zebra_index = -1;
-static int hf_zebra_indexnum = -1;
-static int hf_zebra_type = -1;
-static int hf_zebra_intflags = -1;
-static int hf_zebra_rtflags = -1;
-static int hf_zebra_distance = -1;
-static int hf_zebra_metric = -1;
-static int hf_zebra_mtu = -1;
-static int hf_zebra_bandwidth = -1;
-static int hf_zebra_family = -1;
-static int hf_zebra_message = -1;
-static int hf_zebra_msg_nexthop = -1;
-static int hf_zebra_msg_index = -1;
-static int hf_zebra_msg_distance = -1;
-static int hf_zebra_msg_metric = -1;
-static int hf_zebra_nexthopnum = -1;
-static int hf_zebra_nexthop4 = -1;
-static int hf_zebra_nexthop6 = -1;
-static int hf_zebra_dest4 = -1;
-static int hf_zebra_dest6 = -1;
-static int hf_zebra_prefixlen = -1;
-static int hf_zebra_prefix4 = -1;
-static int hf_zebra_prefix6 = -1;
-
-static gint ett_zebra = -1;
-static gint ett_zebra_request = -1;
-static gint ett_message = -1;
-
-#define TCP_PORT_ZEBRA 2600
-
-/* Zebra message types. */
-#define ZEBRA_INTERFACE_ADD 1
-#define ZEBRA_INTERFACE_DELETE 2
-#define ZEBRA_INTERFACE_ADDRESS_ADD 3
-#define ZEBRA_INTERFACE_ADDRESS_DELETE 4
-#define ZEBRA_INTERFACE_UP 5
-#define ZEBRA_INTERFACE_DOWN 6
-#define ZEBRA_IPV4_ROUTE_ADD 7
-#define ZEBRA_IPV4_ROUTE_DELETE 8
-#define ZEBRA_IPV6_ROUTE_ADD 9
-#define ZEBRA_IPV6_ROUTE_DELETE 10
-#define ZEBRA_REDISTRIBUTE_ADD 11
-#define ZEBRA_REDISTRIBUTE_DELETE 12
-#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13
-#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
-#define ZEBRA_IPV4_NEXTHOP_LOOKUP 15
-#define ZEBRA_IPV6_NEXTHOP_LOOKUP 16
-
-static const value_string messages[] = {
- { ZEBRA_INTERFACE_ADD, "Add Interface" },
- { ZEBRA_INTERFACE_DELETE, "Delete Interface" },
- { ZEBRA_INTERFACE_ADDRESS_ADD, "Add Interface Address" },
- { ZEBRA_INTERFACE_ADDRESS_DELETE, "Delete Interface Address" },
- { ZEBRA_INTERFACE_UP, "Interface Up" },
- { ZEBRA_INTERFACE_DOWN, "Interface Down" },
- { ZEBRA_IPV4_ROUTE_ADD, "Add IPv4 Route" },
- { ZEBRA_IPV4_ROUTE_DELETE, "Delete IPv4 Route" },
- { ZEBRA_IPV6_ROUTE_ADD, "Add IPv6 Route" },
- { ZEBRA_IPV6_ROUTE_DELETE, "Delete IPv6 Route" },
- { ZEBRA_REDISTRIBUTE_ADD, "Add Redistribute" },
- { ZEBRA_REDISTRIBUTE_DELETE, "Delete Redistribute" },
- { ZEBRA_REDISTRIBUTE_DEFAULT_ADD, "Add Default Redistribute" },
- { ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, "Delete Default Redistribute" },
- { ZEBRA_IPV4_NEXTHOP_LOOKUP, "IPv4 Nexthop Lookup" },
- { ZEBRA_IPV6_NEXTHOP_LOOKUP, "IPv6 Nexthop Lookup" },
- { 0, NULL },
-};
-
-/* Zebra route's types. */
-#define ZEBRA_ROUTE_SYSTEM 0
-#define ZEBRA_ROUTE_KERNEL 1
-#define ZEBRA_ROUTE_CONNECT 2
-#define ZEBRA_ROUTE_STATIC 3
-#define ZEBRA_ROUTE_RIP 4
-#define ZEBRA_ROUTE_RIPNG 5
-#define ZEBRA_ROUTE_OSPF 6
-#define ZEBRA_ROUTE_OSPF6 7
-#define ZEBRA_ROUTE_BGP 8
-
-static const value_string routes[] = {
- { ZEBRA_ROUTE_SYSTEM, "System Route" },
- { ZEBRA_ROUTE_KERNEL, "Kernel Route" },
- { ZEBRA_ROUTE_CONNECT, "Connected Route" },
- { ZEBRA_ROUTE_STATIC, "Static Route" },
- { ZEBRA_ROUTE_RIP, "RIP Route" },
- { ZEBRA_ROUTE_RIPNG, "RIPnG Route" },
- { ZEBRA_ROUTE_OSPF, "OSPF Route" },
- { ZEBRA_ROUTE_OSPF6, "OSPF6 Route" },
- { ZEBRA_ROUTE_BGP, "BGP Route" },
- { 0, NULL },
-};
-
-/* Zebra's family types. */
-#define ZEBRA_FAMILY_IPV4 1
-#define ZEBRA_FAMILY_IPV6 2
-
-static const value_string families[] = {
- { ZEBRA_FAMILY_IPV4, "IPv4" },
- { ZEBRA_FAMILY_IPV6, "IPv6" },
- { 0, NULL },
-};
-
-/* Error codes of zebra. */
-#define ZEBRA_ERR_RTEXIST 1
-#define ZEBRA_ERR_RTUNREACH 2
-#define ZEBRA_ERR_EPERM 3
-#define ZEBRA_ERR_RTNOEXIST 4
-
-static const value_string errors[] = {
- { ZEBRA_ERR_RTEXIST, "Route Exists" },
- { ZEBRA_ERR_RTUNREACH, "Route Unreachable" },
- { ZEBRA_ERR_EPERM, "Permission Denied" },
- { ZEBRA_ERR_RTNOEXIST, "Route Does Not Exist" },
- { 0, NULL },
-};
-
-/* Zebra message flags */
-#define ZEBRA_FLAG_INTERNAL 0x01
-#define ZEBRA_FLAG_SELFROUTE 0x02
-#define ZEBRA_FLAG_BLACKHOLE 0x04
-
-/* Subsequent Address Family Identifier. */
-#define ZEBRA_SAFI_UNICAST 1
-#define ZEBRA_SAFI_MULTICAST 2
-#define ZEBRA_SAFI_UNICAST_MULTICAST 3
-#define ZEBRA_SAFI_MPLS_VPN 4
-
-static const value_string safis[] = {
- { ZEBRA_SAFI_UNICAST, "Unicast" },
- { ZEBRA_SAFI_MULTICAST, "Multicast" },
- { ZEBRA_SAFI_UNICAST_MULTICAST, "Unicast And Multicast" },
- { ZEBRA_SAFI_MPLS_VPN, "MPLS VPN" },
- { 0, NULL },
-};
-
-/* Zebra API message flag. */
-#define ZEBRA_ZAPI_MESSAGE_NEXTHOP 0x01
-#define ZEBRA_ZAPI_MESSAGE_IFINDEX 0x02
-#define ZEBRA_ZAPI_MESSAGE_DISTANCE 0x04
-#define ZEBRA_ZAPI_MESSAGE_METRIC 0x08
-
-#define INTERFACE_NAMSIZ 20
-
-#define PSIZE(a) (((a) + 7) / (8))
-
-void
-dissect_zebra_request(proto_tree *tree, gboolean request, tvbuff_t *tvb,
- int offset, guint16 len, guint8 command)
-{
- guint32 prefix4;
- guint16 i;
- guint8 buffer6[16], prefixlen, message;
- gpointer prefix, ptr;
- proto_item *ti;
- proto_tree *msg_tree;
-
- proto_tree_add_uint(tree, hf_zebra_len, tvb, offset, 2, len);
- offset += 2;
- proto_tree_add_uint(tree, hf_zebra_command, tvb, offset, 1,
- command);
- offset += 1;
- switch(command) {
- case ZEBRA_INTERFACE_ADD:
- case ZEBRA_INTERFACE_UP:
- case ZEBRA_INTERFACE_DOWN:
- if (request) break;
- /* Request just subscribes to messages */
-
- proto_tree_add_string(tree, hf_zebra_interface,
- tvb, offset, INTERFACE_NAMSIZ,
- tvb_get_ptr(tvb, offset, INTERFACE_NAMSIZ));
- offset += INTERFACE_NAMSIZ;
-
- proto_tree_add_item(tree, hf_zebra_index, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_intflags, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_metric, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_mtu, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_bandwidth, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- break;
- case ZEBRA_INTERFACE_DELETE:
- proto_tree_add_string(tree, hf_zebra_interface,
- tvb, offset, INTERFACE_NAMSIZ,
- tvb_get_ptr(tvb, offset, INTERFACE_NAMSIZ));
- offset += INTERFACE_NAMSIZ;
-
- proto_tree_add_item(tree, hf_zebra_index, tvb,
- offset, 4, FALSE);
- offset += 4;
- break;
- case ZEBRA_INTERFACE_ADDRESS_ADD:
- case ZEBRA_INTERFACE_ADDRESS_DELETE:
- proto_tree_add_item(tree, hf_zebra_index, tvb,
- offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_family, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- if (len == 17) { /* IPv4 */
- proto_tree_add_item(tree, hf_zebra_prefix4,
- tvb, offset, 4, FALSE);
- offset += 4;
- }
- else if (len == 41) { /* IPv6 */
- proto_tree_add_item(tree, hf_zebra_prefix6,
- tvb, offset, 16, FALSE);
- offset += 16;
- }
- else break;
-
- proto_tree_add_item(tree, hf_zebra_prefixlen, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- if (len == 17) { /* IPv4 */
- proto_tree_add_item(tree, hf_zebra_dest4,
- tvb, offset, 4, FALSE);
- offset += 4;
- }
- else if (len == 41) { /* IPv6 */
- proto_tree_add_item(tree, hf_zebra_dest6,
- tvb, offset, 16, FALSE);
- offset += 16;
- }
- break;
-
- case ZEBRA_IPV4_ROUTE_ADD:
- case ZEBRA_IPV4_ROUTE_DELETE:
- proto_tree_add_item(tree, hf_zebra_type, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- proto_tree_add_item(tree, hf_zebra_rtflags, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- message = tvb_get_guint8(tvb, offset);
- ti = proto_tree_add_uint(tree, hf_zebra_message, tvb,
- offset, 1, message);
- msg_tree = proto_item_add_subtree(ti, ett_message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_index,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric,
- tvb, offset, 1, message);
- offset += 1;
-
- prefixlen = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb,
- offset, 1, prefixlen);
- offset += 1;
-
- prefix = tvb_get_ptr(tvb, offset, PSIZE(prefixlen));
- prefix4 = 0;
- ptr = (gpointer) &prefix4;
- for (i=0; i< PSIZE(prefixlen); i++)
- *(guint8*)ptr++ = *(guint8*)prefix++;
- proto_tree_add_ipv4(tree, hf_zebra_prefix4,
- tvb, offset, PSIZE(prefixlen), prefix4);
- offset += PSIZE(prefixlen);
-
- if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) {
- i = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_nexthopnum,
- tvb, offset, 1, i);
- offset += 1;
-
- if (i>len) break; /* Sanity */
-
- while (i--) {
- proto_tree_add_item(tree,
- hf_zebra_nexthop4, tvb,
- offset, 4, FALSE);
- offset += 4;
- }
- }
- if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) {
- i = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_indexnum,
- tvb, offset, 1, i);
- offset += 1;
-
- if (i>len) break; /* Sanity */
-
- while (i--) {
- proto_tree_add_item(tree,
- hf_zebra_index, tvb,
- offset, 4, FALSE);
- offset += 4;
- }
- }
- if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) {
- proto_tree_add_item(tree, hf_zebra_distance,
- tvb, offset, 1, FALSE);
- offset += 1;
- }
- if (message & ZEBRA_ZAPI_MESSAGE_METRIC) {
- proto_tree_add_item(tree, hf_zebra_metric,
- tvb, offset, 4, FALSE);
- offset += 4;
- }
- break;
- case ZEBRA_IPV6_ROUTE_ADD:
- case ZEBRA_IPV6_ROUTE_DELETE:
- proto_tree_add_item(tree, hf_zebra_type, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- proto_tree_add_item(tree, hf_zebra_rtflags, tvb,
- offset, 1, FALSE);
- offset += 1;
-
- message = tvb_get_guint8(tvb, offset);
- ti = proto_tree_add_uint(tree, hf_zebra_message, tvb,
- offset, 1, message);
- msg_tree = proto_item_add_subtree(ti, ett_message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_index,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance,
- tvb, offset, 1, message);
- proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric,
- tvb, offset, 1, message);
- offset += 1;
-
- prefixlen = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb,
- offset, 1, prefixlen);
- offset += 1;
-
- prefix = tvb_get_ptr(tvb, offset, PSIZE(prefixlen));
- for (i=0; i < 16; i++) buffer6[i] = 0;
- ptr = (gpointer) buffer6;
- for (i=0; i< PSIZE(prefixlen); i++)
- *(guint8*)ptr++ = *(guint8*)prefix++;
- proto_tree_add_ipv6(tree, hf_zebra_prefix6,
- tvb, offset, PSIZE(prefixlen), buffer6);
- offset += PSIZE(prefixlen);
-
- if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) {
- i = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_nexthopnum,
- tvb, offset, 1, i);
- offset += 1;
-
- if (i>len) break; /* Sanity */
-
- while (i--) {
- proto_tree_add_item(tree,
- hf_zebra_nexthop6, tvb,
- offset, 16, FALSE);
- offset += 16;
- }
- }
- if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) {
- i = tvb_get_guint8(tvb, offset);
- proto_tree_add_uint(tree, hf_zebra_indexnum,
- tvb, offset, 1, i);
- offset += 1;
-
- if (i>len) break; /* Sanity */
-
- while (i--) {
- proto_tree_add_item(tree,
- hf_zebra_index, tvb,
- offset, 4, FALSE);
- offset += 4;
- }
- }
- if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) {
- proto_tree_add_item(tree, hf_zebra_distance,
- tvb, offset, 1, FALSE);
- offset += 1;
- }
- if (message & ZEBRA_ZAPI_MESSAGE_METRIC) {
- proto_tree_add_item(tree, hf_zebra_metric,
- tvb, offset, 4, FALSE);
- offset += 4;
- }
- break;
- case ZEBRA_REDISTRIBUTE_ADD:
- case ZEBRA_REDISTRIBUTE_DELETE:
- proto_tree_add_item(tree, hf_zebra_type, tvb,
- offset, 1, FALSE);
- offset += 1;
- break;
- case ZEBRA_REDISTRIBUTE_DEFAULT_ADD:
- case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE:
- break;
- case ZEBRA_IPV4_NEXTHOP_LOOKUP:
- proto_tree_add_item(tree, hf_zebra_nexthop4,
- tvb, offset, 4, FALSE);
- offset += 4;
-
- proto_tree_add_item(tree, hf_zebra_metric,
- tvb, offset, 4, FALSE);
- offset += 4;
- break;
- case ZEBRA_IPV6_NEXTHOP_LOOKUP:
- /* Not yet implemeted in ZEBRA */
- break;
- }
-}
-
-void
-dissect_zebra(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- proto_item *ti;
- proto_tree *zebra_tree;
- gboolean request;
- int left, offset;
-
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_add_str(pinfo->fd, COL_PROTOCOL, "ZEBRA");
-
- request = (pi.destport == TCP_PORT_ZEBRA);
- left = tvb_reported_length(tvb);
- offset = 0;
-
- if (check_col(pinfo->fd, COL_INFO)) {
- col_add_str(pinfo->fd, COL_INFO,
- request? "ZEBRA Request" : "ZEBRA Reply");
- }
- if (tree) {
- ti = proto_tree_add_item(tree, proto_zebra, tvb, offset,
- END_OF_FRAME, FALSE);
- zebra_tree = proto_item_add_subtree(ti, ett_zebra);
- proto_tree_add_boolean_hidden(zebra_tree, hf_zebra_request,
- tvb, offset, END_OF_FRAME, request);
-
- for (;;) {
- guint8 command;
- guint16 len;
- proto_tree *zebra_request_tree;
-
- if (left < 3) break;
-
- len = tvb_get_ntohs(tvb, offset);
- if (len < 3) break;
-
- command = tvb_get_guint8(tvb, offset+2);
-
- ti = proto_tree_add_uint(zebra_tree,
- hf_zebra_command, tvb, offset, len,
- command);
- zebra_request_tree = proto_item_add_subtree(ti,
- ett_zebra_request);
- dissect_zebra_request(zebra_request_tree, request, tvb,
- offset, len, command);
-
- offset += len;
- left -= len;
- }
- }
-}
-
-void
-proto_register_zebra(void)
-{
-
- static hf_register_info hf[] = {
- { &hf_zebra_len,
- { "Length", "zebra.len",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Length of ZEBRA request" }},
- { &hf_zebra_request,
- { "Request", "zebra.request",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ZEBRA request" }},
- { &hf_zebra_command,
- { "Command", "zebra.command",
- FT_UINT8, BASE_DEC, VALS(messages), 0x0,
- "ZEBRA command" }},
- { &hf_zebra_interface,
- { "Interface", "zebra.interface",
- FT_STRING, BASE_NONE, NULL, 0x0,
- "Interface name of ZEBRA request" }},
- { &hf_zebra_index,
- { "Index", "zebra.index",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Index of interface" }},
- { &hf_zebra_indexnum,
- { "Index Number", "zebra.indexnum",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Number of indices for route" }},
- { &hf_zebra_intflags,
- { "Flags", "zebra.intflags",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Flags of interface" }},
- { &hf_zebra_rtflags,
- { "Flags", "zebra.rtflags",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Flags of route" }},
- { &hf_zebra_message,
- { "Message", "zebra.message",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Message type of route" }},
- { &hf_zebra_msg_nexthop,
- { "Message Nexthop", "zebra.message.nexthop",
- FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_NEXTHOP,
- "Message contains nexthop" }},
- { &hf_zebra_msg_index,
- { "Message Index", "zebra.message.index",
- FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_IFINDEX,
- "Message contains index" }},
- { &hf_zebra_msg_distance,
- { "Message Distance", "zebra.message.distance",
- FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_DISTANCE,
- "Message contains distance" }},
- { &hf_zebra_msg_metric,
- { "Message Metric", "zebra.message.metric",
- FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_METRIC,
- "Message contains metric" }},
- { &hf_zebra_type,
- { "Type", "zebra.type",
- FT_UINT8, BASE_DEC, VALS(routes), 0x0,
- "Type of route" }},
- { &hf_zebra_distance,
- { "Distance", "zebra.distance",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Distance of route" }},
- { &hf_zebra_metric,
- { "Metric", "zebra.metric",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Metric of interface or route" }},
- { &hf_zebra_mtu,
- { "MTU", "zebra.mtu",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "MTU of interface" }},
- { &hf_zebra_bandwidth,
- { "Bandwidth", "zebra.bandwidth",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Bandwidth of interface" }},
- { &hf_zebra_family,
- { "Family", "zebra.family",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Family of IP address" }},
- { &hf_zebra_dest4,
- { "Destination", "zebra.dest4",
- FT_IPv4, BASE_NONE, NULL, 0x0,
- "Destination IPv4 field" }},
- { &hf_zebra_dest6,
- { "Destination", "zebra.dest6",
- FT_IPv6, BASE_NONE, NULL, 0x0,
- "Destination IPv6 field" }},
- { &hf_zebra_nexthopnum,
- { "Nexthop Number", "zebra.nexthopnum",
- FT_UINT8, BASE_NONE, NULL, 0x0,
- "Number of nexthops in route" }},
- { &hf_zebra_nexthop4,
- { "Nexthop", "zebra.nexthop4",
- FT_IPv4, BASE_NONE, NULL, 0x0,
- "Nethop IPv4 field of route" }},
- { &hf_zebra_nexthop6,
- { "Nexthop", "zebra.nexthop6",
- FT_IPv6, BASE_NONE, NULL, 0x0,
- "Nethop IPv6 field of route" }},
- { &hf_zebra_prefixlen,
- { "Prefix length", "zebra.prefixlen",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Prefix length" }},
- { &hf_zebra_prefix4,
- { "Prefix", "zebra.prefix4",
- FT_IPv4, BASE_NONE, NULL, 0x0,
- "Prefix IPv4" }},
- { &hf_zebra_prefix6,
- { "Prefix", "zebra.prefix6",
- FT_IPv6, BASE_NONE, NULL, 0x0,
- "Prefix IPv6" }},
- };
-
- static gint *ett[] = {
- &ett_zebra,
- &ett_zebra_request,
- &ett_message,
- };
-
- proto_zebra = proto_register_protocol("Zebra Protocol", "zebra");
- proto_register_field_array(proto_zebra, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-}
-
-void
-proto_reg_handoff_zebra(void)
-{
- dissector_add("tcp.port", TCP_PORT_ZEBRA, dissect_zebra);
-}
+/* packet-zebra.c + * Routines for zebra packet disassembly + * + * Jochen Friedrich <jochen@scram.de> + * + * $Id: packet-zebra.c,v 1.2 2000/08/18 15:45:30 deniel Exp $ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@zing.org> + * 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 + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#include <string.h> +#include <ctype.h> + +#include <glib.h> +#include "packet.h" + +static int proto_zebra = -1; +static int hf_zebra_len = -1; +static int hf_zebra_command = -1; +static int hf_zebra_request = -1; +static int hf_zebra_interface = -1; +static int hf_zebra_index = -1; +static int hf_zebra_indexnum = -1; +static int hf_zebra_type = -1; +static int hf_zebra_intflags = -1; +static int hf_zebra_rtflags = -1; +static int hf_zebra_distance = -1; +static int hf_zebra_metric = -1; +static int hf_zebra_mtu = -1; +static int hf_zebra_bandwidth = -1; +static int hf_zebra_family = -1; +static int hf_zebra_message = -1; +static int hf_zebra_msg_nexthop = -1; +static int hf_zebra_msg_index = -1; +static int hf_zebra_msg_distance = -1; +static int hf_zebra_msg_metric = -1; +static int hf_zebra_nexthopnum = -1; +static int hf_zebra_nexthop4 = -1; +static int hf_zebra_nexthop6 = -1; +static int hf_zebra_dest4 = -1; +static int hf_zebra_dest6 = -1; +static int hf_zebra_prefixlen = -1; +static int hf_zebra_prefix4 = -1; +static int hf_zebra_prefix6 = -1; + +static gint ett_zebra = -1; +static gint ett_zebra_request = -1; +static gint ett_message = -1; + +#define TCP_PORT_ZEBRA 2600 + +/* Zebra message types. */ +#define ZEBRA_INTERFACE_ADD 1 +#define ZEBRA_INTERFACE_DELETE 2 +#define ZEBRA_INTERFACE_ADDRESS_ADD 3 +#define ZEBRA_INTERFACE_ADDRESS_DELETE 4 +#define ZEBRA_INTERFACE_UP 5 +#define ZEBRA_INTERFACE_DOWN 6 +#define ZEBRA_IPV4_ROUTE_ADD 7 +#define ZEBRA_IPV4_ROUTE_DELETE 8 +#define ZEBRA_IPV6_ROUTE_ADD 9 +#define ZEBRA_IPV6_ROUTE_DELETE 10 +#define ZEBRA_REDISTRIBUTE_ADD 11 +#define ZEBRA_REDISTRIBUTE_DELETE 12 +#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13 +#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14 +#define ZEBRA_IPV4_NEXTHOP_LOOKUP 15 +#define ZEBRA_IPV6_NEXTHOP_LOOKUP 16 + +static const value_string messages[] = { + { ZEBRA_INTERFACE_ADD, "Add Interface" }, + { ZEBRA_INTERFACE_DELETE, "Delete Interface" }, + { ZEBRA_INTERFACE_ADDRESS_ADD, "Add Interface Address" }, + { ZEBRA_INTERFACE_ADDRESS_DELETE, "Delete Interface Address" }, + { ZEBRA_INTERFACE_UP, "Interface Up" }, + { ZEBRA_INTERFACE_DOWN, "Interface Down" }, + { ZEBRA_IPV4_ROUTE_ADD, "Add IPv4 Route" }, + { ZEBRA_IPV4_ROUTE_DELETE, "Delete IPv4 Route" }, + { ZEBRA_IPV6_ROUTE_ADD, "Add IPv6 Route" }, + { ZEBRA_IPV6_ROUTE_DELETE, "Delete IPv6 Route" }, + { ZEBRA_REDISTRIBUTE_ADD, "Add Redistribute" }, + { ZEBRA_REDISTRIBUTE_DELETE, "Delete Redistribute" }, + { ZEBRA_REDISTRIBUTE_DEFAULT_ADD, "Add Default Redistribute" }, + { ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, "Delete Default Redistribute" }, + { ZEBRA_IPV4_NEXTHOP_LOOKUP, "IPv4 Nexthop Lookup" }, + { ZEBRA_IPV6_NEXTHOP_LOOKUP, "IPv6 Nexthop Lookup" }, + { 0, NULL }, +}; + +/* Zebra route's types. */ +#define ZEBRA_ROUTE_SYSTEM 0 +#define ZEBRA_ROUTE_KERNEL 1 +#define ZEBRA_ROUTE_CONNECT 2 +#define ZEBRA_ROUTE_STATIC 3 +#define ZEBRA_ROUTE_RIP 4 +#define ZEBRA_ROUTE_RIPNG 5 +#define ZEBRA_ROUTE_OSPF 6 +#define ZEBRA_ROUTE_OSPF6 7 +#define ZEBRA_ROUTE_BGP 8 + +static const value_string routes[] = { + { ZEBRA_ROUTE_SYSTEM, "System Route" }, + { ZEBRA_ROUTE_KERNEL, "Kernel Route" }, + { ZEBRA_ROUTE_CONNECT, "Connected Route" }, + { ZEBRA_ROUTE_STATIC, "Static Route" }, + { ZEBRA_ROUTE_RIP, "RIP Route" }, + { ZEBRA_ROUTE_RIPNG, "RIPnG Route" }, + { ZEBRA_ROUTE_OSPF, "OSPF Route" }, + { ZEBRA_ROUTE_OSPF6, "OSPF6 Route" }, + { ZEBRA_ROUTE_BGP, "BGP Route" }, + { 0, NULL }, +}; + +/* Zebra's family types. */ +#define ZEBRA_FAMILY_IPV4 1 +#define ZEBRA_FAMILY_IPV6 2 + +static const value_string families[] = { + { ZEBRA_FAMILY_IPV4, "IPv4" }, + { ZEBRA_FAMILY_IPV6, "IPv6" }, + { 0, NULL }, +}; + +/* Error codes of zebra. */ +#define ZEBRA_ERR_RTEXIST 1 +#define ZEBRA_ERR_RTUNREACH 2 +#define ZEBRA_ERR_EPERM 3 +#define ZEBRA_ERR_RTNOEXIST 4 + +static const value_string errors[] = { + { ZEBRA_ERR_RTEXIST, "Route Exists" }, + { ZEBRA_ERR_RTUNREACH, "Route Unreachable" }, + { ZEBRA_ERR_EPERM, "Permission Denied" }, + { ZEBRA_ERR_RTNOEXIST, "Route Does Not Exist" }, + { 0, NULL }, +}; + +/* Zebra message flags */ +#define ZEBRA_FLAG_INTERNAL 0x01 +#define ZEBRA_FLAG_SELFROUTE 0x02 +#define ZEBRA_FLAG_BLACKHOLE 0x04 + +/* Subsequent Address Family Identifier. */ +#define ZEBRA_SAFI_UNICAST 1 +#define ZEBRA_SAFI_MULTICAST 2 +#define ZEBRA_SAFI_UNICAST_MULTICAST 3 +#define ZEBRA_SAFI_MPLS_VPN 4 + +static const value_string safis[] = { + { ZEBRA_SAFI_UNICAST, "Unicast" }, + { ZEBRA_SAFI_MULTICAST, "Multicast" }, + { ZEBRA_SAFI_UNICAST_MULTICAST, "Unicast And Multicast" }, + { ZEBRA_SAFI_MPLS_VPN, "MPLS VPN" }, + { 0, NULL }, +}; + +/* Zebra API message flag. */ +#define ZEBRA_ZAPI_MESSAGE_NEXTHOP 0x01 +#define ZEBRA_ZAPI_MESSAGE_IFINDEX 0x02 +#define ZEBRA_ZAPI_MESSAGE_DISTANCE 0x04 +#define ZEBRA_ZAPI_MESSAGE_METRIC 0x08 + +#define INTERFACE_NAMSIZ 20 + +#define PSIZE(a) (((a) + 7) / (8)) + +void +dissect_zebra_request(proto_tree *tree, gboolean request, tvbuff_t *tvb, + int offset, guint16 len, guint8 command) +{ + guint32 prefix4; + guint16 i; + guint8 buffer6[16], prefixlen, message; + gpointer prefix, ptr; + proto_item *ti; + proto_tree *msg_tree; + + proto_tree_add_uint(tree, hf_zebra_len, tvb, offset, 2, len); + offset += 2; + proto_tree_add_uint(tree, hf_zebra_command, tvb, offset, 1, + command); + offset += 1; + switch(command) { + case ZEBRA_INTERFACE_ADD: + case ZEBRA_INTERFACE_UP: + case ZEBRA_INTERFACE_DOWN: + if (request) break; + /* Request just subscribes to messages */ + + proto_tree_add_string(tree, hf_zebra_interface, + tvb, offset, INTERFACE_NAMSIZ, + tvb_get_ptr(tvb, offset, INTERFACE_NAMSIZ)); + offset += INTERFACE_NAMSIZ; + + proto_tree_add_item(tree, hf_zebra_index, tvb, + offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_intflags, tvb, + offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_metric, tvb, + offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_mtu, tvb, + offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_bandwidth, tvb, + offset, 4, FALSE); + offset += 4; + + break; + case ZEBRA_INTERFACE_DELETE: + proto_tree_add_string(tree, hf_zebra_interface, + tvb, offset, INTERFACE_NAMSIZ, + tvb_get_ptr(tvb, offset, INTERFACE_NAMSIZ)); + offset += INTERFACE_NAMSIZ; + + proto_tree_add_item(tree, hf_zebra_index, tvb, + offset, 4, FALSE); + offset += 4; + break; + case ZEBRA_INTERFACE_ADDRESS_ADD: + case ZEBRA_INTERFACE_ADDRESS_DELETE: + proto_tree_add_item(tree, hf_zebra_index, tvb, + offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_family, tvb, + offset, 1, FALSE); + offset += 1; + + if (len == 17) { /* IPv4 */ + proto_tree_add_item(tree, hf_zebra_prefix4, + tvb, offset, 4, FALSE); + offset += 4; + } + else if (len == 41) { /* IPv6 */ + proto_tree_add_item(tree, hf_zebra_prefix6, + tvb, offset, 16, FALSE); + offset += 16; + } + else break; + + proto_tree_add_item(tree, hf_zebra_prefixlen, tvb, + offset, 1, FALSE); + offset += 1; + + if (len == 17) { /* IPv4 */ + proto_tree_add_item(tree, hf_zebra_dest4, + tvb, offset, 4, FALSE); + offset += 4; + } + else if (len == 41) { /* IPv6 */ + proto_tree_add_item(tree, hf_zebra_dest6, + tvb, offset, 16, FALSE); + offset += 16; + } + break; + + case ZEBRA_IPV4_ROUTE_ADD: + case ZEBRA_IPV4_ROUTE_DELETE: + proto_tree_add_item(tree, hf_zebra_type, tvb, + offset, 1, FALSE); + offset += 1; + + proto_tree_add_item(tree, hf_zebra_rtflags, tvb, + offset, 1, FALSE); + offset += 1; + + message = tvb_get_guint8(tvb, offset); + ti = proto_tree_add_uint(tree, hf_zebra_message, tvb, + offset, 1, message); + msg_tree = proto_item_add_subtree(ti, ett_message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_index, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric, + tvb, offset, 1, message); + offset += 1; + + prefixlen = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb, + offset, 1, prefixlen); + offset += 1; + + prefix = tvb_get_ptr(tvb, offset, PSIZE(prefixlen)); + prefix4 = 0; + ptr = (gpointer) &prefix4; + for (i=0; i< PSIZE(prefixlen); i++) + *(guint8*)ptr++ = *(guint8*)prefix++; + proto_tree_add_ipv4(tree, hf_zebra_prefix4, + tvb, offset, PSIZE(prefixlen), prefix4); + offset += PSIZE(prefixlen); + + if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) { + i = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_nexthopnum, + tvb, offset, 1, i); + offset += 1; + + if (i>len) break; /* Sanity */ + + while (i--) { + proto_tree_add_item(tree, + hf_zebra_nexthop4, tvb, + offset, 4, FALSE); + offset += 4; + } + } + if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) { + i = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_indexnum, + tvb, offset, 1, i); + offset += 1; + + if (i>len) break; /* Sanity */ + + while (i--) { + proto_tree_add_item(tree, + hf_zebra_index, tvb, + offset, 4, FALSE); + offset += 4; + } + } + if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) { + proto_tree_add_item(tree, hf_zebra_distance, + tvb, offset, 1, FALSE); + offset += 1; + } + if (message & ZEBRA_ZAPI_MESSAGE_METRIC) { + proto_tree_add_item(tree, hf_zebra_metric, + tvb, offset, 4, FALSE); + offset += 4; + } + break; + case ZEBRA_IPV6_ROUTE_ADD: + case ZEBRA_IPV6_ROUTE_DELETE: + proto_tree_add_item(tree, hf_zebra_type, tvb, + offset, 1, FALSE); + offset += 1; + + proto_tree_add_item(tree, hf_zebra_rtflags, tvb, + offset, 1, FALSE); + offset += 1; + + message = tvb_get_guint8(tvb, offset); + ti = proto_tree_add_uint(tree, hf_zebra_message, tvb, + offset, 1, message); + msg_tree = proto_item_add_subtree(ti, ett_message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_index, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance, + tvb, offset, 1, message); + proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric, + tvb, offset, 1, message); + offset += 1; + + prefixlen = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb, + offset, 1, prefixlen); + offset += 1; + + prefix = tvb_get_ptr(tvb, offset, PSIZE(prefixlen)); + for (i=0; i < 16; i++) buffer6[i] = 0; + ptr = (gpointer) buffer6; + for (i=0; i< PSIZE(prefixlen); i++) + *(guint8*)ptr++ = *(guint8*)prefix++; + proto_tree_add_ipv6(tree, hf_zebra_prefix6, + tvb, offset, PSIZE(prefixlen), buffer6); + offset += PSIZE(prefixlen); + + if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) { + i = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_nexthopnum, + tvb, offset, 1, i); + offset += 1; + + if (i>len) break; /* Sanity */ + + while (i--) { + proto_tree_add_item(tree, + hf_zebra_nexthop6, tvb, + offset, 16, FALSE); + offset += 16; + } + } + if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) { + i = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(tree, hf_zebra_indexnum, + tvb, offset, 1, i); + offset += 1; + + if (i>len) break; /* Sanity */ + + while (i--) { + proto_tree_add_item(tree, + hf_zebra_index, tvb, + offset, 4, FALSE); + offset += 4; + } + } + if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) { + proto_tree_add_item(tree, hf_zebra_distance, + tvb, offset, 1, FALSE); + offset += 1; + } + if (message & ZEBRA_ZAPI_MESSAGE_METRIC) { + proto_tree_add_item(tree, hf_zebra_metric, + tvb, offset, 4, FALSE); + offset += 4; + } + break; + case ZEBRA_REDISTRIBUTE_ADD: + case ZEBRA_REDISTRIBUTE_DELETE: + proto_tree_add_item(tree, hf_zebra_type, tvb, + offset, 1, FALSE); + offset += 1; + break; + case ZEBRA_REDISTRIBUTE_DEFAULT_ADD: + case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE: + break; + case ZEBRA_IPV4_NEXTHOP_LOOKUP: + proto_tree_add_item(tree, hf_zebra_nexthop4, + tvb, offset, 4, FALSE); + offset += 4; + + proto_tree_add_item(tree, hf_zebra_metric, + tvb, offset, 4, FALSE); + offset += 4; + break; + case ZEBRA_IPV6_NEXTHOP_LOOKUP: + /* Not yet implemeted in ZEBRA */ + break; + } +} + +void +dissect_zebra(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti; + proto_tree *zebra_tree; + gboolean request; + int left, offset; + + CHECK_DISPLAY_AS_DATA(proto_zebra, tvb, pinfo, tree); + + if (check_col(pinfo->fd, COL_PROTOCOL)) + col_add_str(pinfo->fd, COL_PROTOCOL, "ZEBRA"); + + request = (pi.destport == TCP_PORT_ZEBRA); + left = tvb_reported_length(tvb); + offset = 0; + + if (check_col(pinfo->fd, COL_INFO)) { + col_add_str(pinfo->fd, COL_INFO, + request? "ZEBRA Request" : "ZEBRA Reply"); + } + if (tree) { + ti = proto_tree_add_item(tree, proto_zebra, tvb, offset, + END_OF_FRAME, FALSE); + zebra_tree = proto_item_add_subtree(ti, ett_zebra); + proto_tree_add_boolean_hidden(zebra_tree, hf_zebra_request, + tvb, offset, END_OF_FRAME, request); + + for (;;) { + guint8 command; + guint16 len; + proto_tree *zebra_request_tree; + + if (left < 3) break; + + len = tvb_get_ntohs(tvb, offset); + if (len < 3) break; + + command = tvb_get_guint8(tvb, offset+2); + + ti = proto_tree_add_uint(zebra_tree, + hf_zebra_command, tvb, offset, len, + command); + zebra_request_tree = proto_item_add_subtree(ti, + ett_zebra_request); + dissect_zebra_request(zebra_request_tree, request, tvb, + offset, len, command); + + offset += len; + left -= len; + } + } +} + +void +proto_register_zebra(void) +{ + + static hf_register_info hf[] = { + { &hf_zebra_len, + { "Length", "zebra.len", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Length of ZEBRA request" }}, + { &hf_zebra_request, + { "Request", "zebra.request", + FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "TRUE if ZEBRA request" }}, + { &hf_zebra_command, + { "Command", "zebra.command", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, + "ZEBRA command" }}, + { &hf_zebra_interface, + { "Interface", "zebra.interface", + FT_STRING, BASE_NONE, NULL, 0x0, + "Interface name of ZEBRA request" }}, + { &hf_zebra_index, + { "Index", "zebra.index", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Index of interface" }}, + { &hf_zebra_indexnum, + { "Index Number", "zebra.indexnum", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Number of indices for route" }}, + { &hf_zebra_intflags, + { "Flags", "zebra.intflags", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Flags of interface" }}, + { &hf_zebra_rtflags, + { "Flags", "zebra.rtflags", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Flags of route" }}, + { &hf_zebra_message, + { "Message", "zebra.message", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Message type of route" }}, + { &hf_zebra_msg_nexthop, + { "Message Nexthop", "zebra.message.nexthop", + FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_NEXTHOP, + "Message contains nexthop" }}, + { &hf_zebra_msg_index, + { "Message Index", "zebra.message.index", + FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_IFINDEX, + "Message contains index" }}, + { &hf_zebra_msg_distance, + { "Message Distance", "zebra.message.distance", + FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_DISTANCE, + "Message contains distance" }}, + { &hf_zebra_msg_metric, + { "Message Metric", "zebra.message.metric", + FT_BOOLEAN, 8, NULL, ZEBRA_ZAPI_MESSAGE_METRIC, + "Message contains metric" }}, + { &hf_zebra_type, + { "Type", "zebra.type", + FT_UINT8, BASE_DEC, VALS(routes), 0x0, + "Type of route" }}, + { &hf_zebra_distance, + { "Distance", "zebra.distance", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Distance of route" }}, + { &hf_zebra_metric, + { "Metric", "zebra.metric", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Metric of interface or route" }}, + { &hf_zebra_mtu, + { "MTU", "zebra.mtu", + FT_UINT32, BASE_DEC, NULL, 0x0, + "MTU of interface" }}, + { &hf_zebra_bandwidth, + { "Bandwidth", "zebra.bandwidth", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Bandwidth of interface" }}, + { &hf_zebra_family, + { "Family", "zebra.family", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Family of IP address" }}, + { &hf_zebra_dest4, + { "Destination", "zebra.dest4", + FT_IPv4, BASE_NONE, NULL, 0x0, + "Destination IPv4 field" }}, + { &hf_zebra_dest6, + { "Destination", "zebra.dest6", + FT_IPv6, BASE_NONE, NULL, 0x0, + "Destination IPv6 field" }}, + { &hf_zebra_nexthopnum, + { "Nexthop Number", "zebra.nexthopnum", + FT_UINT8, BASE_NONE, NULL, 0x0, + "Number of nexthops in route" }}, + { &hf_zebra_nexthop4, + { "Nexthop", "zebra.nexthop4", + FT_IPv4, BASE_NONE, NULL, 0x0, + "Nethop IPv4 field of route" }}, + { &hf_zebra_nexthop6, + { "Nexthop", "zebra.nexthop6", + FT_IPv6, BASE_NONE, NULL, 0x0, + "Nethop IPv6 field of route" }}, + { &hf_zebra_prefixlen, + { "Prefix length", "zebra.prefixlen", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Prefix length" }}, + { &hf_zebra_prefix4, + { "Prefix", "zebra.prefix4", + FT_IPv4, BASE_NONE, NULL, 0x0, + "Prefix IPv4" }}, + { &hf_zebra_prefix6, + { "Prefix", "zebra.prefix6", + FT_IPv6, BASE_NONE, NULL, 0x0, + "Prefix IPv6" }}, + }; + + static gint *ett[] = { + &ett_zebra, + &ett_zebra_request, + &ett_message, + }; + + proto_zebra = proto_register_protocol("Zebra Protocol", "zebra"); + proto_register_field_array(proto_zebra, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_zebra(void) +{ + dissector_add("tcp.port", TCP_PORT_ZEBRA, dissect_zebra); +} |