forked from osmocom/wireshark
5559 lines
172 KiB
C
5559 lines
172 KiB
C
/* packet-batadv.c
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* Routines for B.A.T.M.A.N. Advanced dissection
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* Copyright 2008-2010 Sven Eckelmann <sven@narfation.org>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/tap.h>
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#include <epan/addr_resolv.h>
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#include <epan/reassemble.h>
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#include <epan/expert.h>
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#include <wsutil/crc32.h>
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/* Start content from packet-batadv.h */
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#define ETH_P_BATMAN 0x4305
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#define BATADV_PACKET_V5 0x01
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#define BATADV_ICMP_V5 0x02
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#define BATADV_UNICAST_V5 0x03
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#define BATADV_BCAST_V5 0x04
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#define BATADV_VIS_V5 0x05
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#define BATADV_UNICAST_FRAG_V12 0x06
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#define BATADV_TT_QUERY_V14 0x07
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#define BATADV_ROAM_ADV_V14 0x08
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#define BATADV_ROAM_ADV_V14 0x08
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#define BATADV_UNICAST_4ADDR_V14 0x09
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#define BATADV_IV_OGM_V15 0x00
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#define BATADV_BCAST_V15 0x01
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#define BATADV_CODED_V15 0x02
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#define BATADV_ELP_V15 0x03
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#define BATADV_OGM2_V15 0x04
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#define BATADV_UNICAST_V15 0x40
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#define BATADV_UNICAST_FRAG_V15 0x41
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#define BATADV_UNICAST_4ADDR_V15 0x42
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#define BATADV_ICMP_V15 0x43
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#define BATADV_UNICAST_TVLV_V15 0x44
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#define BATADV_TVLV_V15_GW 0x01
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#define BATADV_TVLV_V15_DAT 0x02
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#define BATADV_TVLV_V15_NC 0x03
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#define BATADV_TVLV_V15_TT 0x04
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#define BATADV_TVLV_V15_ROAM 0x05
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#define BATADV_TVLV_V15_MCAST 0x06
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#define ECHO_REPLY 0
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#define DESTINATION_UNREACHABLE 3
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#define ECHO_REQUEST 8
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#define TTL_EXCEEDED 11
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#define BATADV_TP 15
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#define TT_TYPE_MASK 0x3
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#define TT_REQUEST 0
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#define TT_RESPONSE 1
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#define TT_FULL_TABLE 0x04
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#define TT_CHANGE_DEL 0x01
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#define TT_CLIENT_ROAM 0x02
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#define BAT_RR_LEN 16
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#define UNICAST_4ADDR_DATA 0x01
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#define UNICAST_4ADDR_DAT_DHT_GET 0x02
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#define UNICAST_4ADDR_DAT_DHT_PUT 0x03
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#define UNICAST_4ADDR_DAT_CACHE_REPLY 0x04
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#define BATADV_TVLVL_TT_TYPE_MASK 0x0F
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#define BATADV_TVLVL_TT_OGM_DIFF 0x01
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#define BATADV_TVLVL_TT_REQUEST 0x02
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#define BATADV_TVLVL_TT_RESPONSE 0x04
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#define BATADV_TVLVL_TT_FULL_TABLE 0x10
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#define BATADV_TVLVL_TT_CHANGE_DEL 0x01
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#define BATADV_TVLVL_TT_CHANGE_ROAM 0x02
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#define BATADV_TVLVL_TT_CHANGE_WIFI 0x10
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#define BATADV_TVLVL_TT_CHANGE_ISOLATE 0x20
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struct batman_packet_v5 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint8 ttl;
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guint8 gwflags; /* flags related to gateway functions: gateway class */
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guint8 tq;
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guint16 seqno;
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address orig;
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address prev_sender;
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guint8 num_tt;
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guint8 pad;
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};
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#define BATMAN_PACKET_V5_SIZE 22
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struct batman_packet_v7 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint8 tq;
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guint16 seqno;
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address orig;
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address prev_sender;
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guint8 ttl;
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guint8 num_tt;
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};
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#define BATMAN_PACKET_V7_SIZE 20
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struct batman_packet_v9 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint8 tq;
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guint16 seqno;
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address orig;
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address prev_sender;
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guint8 ttl;
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guint8 num_tt;
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guint8 gwflags;
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guint8 pad;
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};
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#define BATMAN_PACKET_V9_SIZE 22
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struct batman_packet_v10 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint8 tq;
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guint32 seqno;
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address orig;
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address prev_sender;
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guint8 ttl;
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guint8 num_tt;
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guint8 gwflags;
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guint8 pad;
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};
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#define BATMAN_PACKET_V10_SIZE 24
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struct batman_packet_v11 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint8 tq;
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guint32 seqno;
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address orig;
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address prev_sender;
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guint8 ttl;
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guint8 num_tt;
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};
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#define BATMAN_PACKET_V11_SIZE 22
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struct batman_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
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guint32 seqno;
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address orig;
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address prev_sender;
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guint8 gw_flags; /* flags related to gateway class */
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guint8 tq;
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guint8 tt_num_changes;
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guint8 ttvn; /* translation table version number */
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guint16 tt_crc;
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};
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#define BATMAN_PACKET_V14_SIZE 26
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struct iv_ogm_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 flags;
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guint32 seqno;
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address orig;
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address prev_sender;
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guint8 reserved;
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guint8 tq;
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guint16 tvlv_len;
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};
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#define IV_OGM_PACKET_V15_SIZE 24
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struct elp_packet_v15 {
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guint8 packet_type;
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guint8 version;
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address orig;
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guint32 seqno;
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guint32 interval;
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};
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#define ELP_PACKET_V15_SIZE 16
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struct ogm2_packet_v15 {
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guint8 packet_type;
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guint8 version;
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guint8 ttl;
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guint8 flags;
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guint32 seqno;
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address orig;
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guint16 tvlv_len;
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guint32 throughput;
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};
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#define OGM2_PACKET_V15_SIZE 20
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struct icmp_packet_v6 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */
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address dst;
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address orig;
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guint8 ttl;
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guint8 uid;
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guint16 seqno;
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};
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#define ICMP_PACKET_V6_SIZE 19
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struct icmp_packet_v7 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */
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guint8 ttl;
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address dst;
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address orig;
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guint16 seqno;
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guint8 uid;
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};
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#define ICMP_PACKET_V7_SIZE 19
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struct icmp_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 msg_type; /* see ICMP message types above */
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address dst;
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address orig;
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guint16 seqno;
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guint8 uid;
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guint8 reserved;
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};
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#define ICMP_PACKET_V14_SIZE 20
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struct icmp_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 msg_type; /* see ICMP message types above */
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address dst;
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address orig;
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guint8 uid;
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guint8 rr_ptr;
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guint16 seqno;
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};
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#define ICMP_PACKET_V15_SIZE 20
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struct icmp_tp_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 msg_type; /* see ICMP message types above */
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address dst;
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address orig;
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guint8 uid;
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guint8 subtype;
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guint16 session;
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guint32 seqno;
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guint32 timestamp;
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};
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#define ICMP_TP_PACKET_V15_SIZE 28
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struct unicast_packet_v6 {
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guint8 packet_type;
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guint8 version;
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address dest;
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guint8 ttl;
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};
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#define UNICAST_PACKET_V6_SIZE 9
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struct unicast_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 ttvn; /* destination translation table version number */
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address dest;
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};
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#define UNICAST_PACKET_V14_SIZE 10
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struct unicast_4addr_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 ttvn; /* destination translation table version number */
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address dest;
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address src;
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guint8 subtype;
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guint8 reserved;
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};
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#define UNICAST_4ADDR_PACKET_V14_SIZE 18
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struct unicast_frag_packet_v12 {
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guint8 packet_type;
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guint8 version;
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address dest;
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guint8 ttl;
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guint8 flags;
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address orig;
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guint16 seqno;
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};
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#define UNICAST_FRAG_PACKET_V12_SIZE 18
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struct unicast_frag_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 ttvn; /* destination translation table version number */
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address dest;
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guint8 flags;
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guint8 align;
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address orig;
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guint16 seqno;
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};
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#define UNICAST_FRAG_PACKET_V14_SIZE 20
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struct unicast_frag_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 no; /* only upper 4 bit are used */
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address dest;
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address orig;
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guint16 seqno;
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guint16 total_size;
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};
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#define UNICAST_FRAG_PACKET_V15_SIZE 20
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struct bcast_packet_v6 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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address orig;
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guint16 seqno;
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};
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#define BCAST_PACKET_V6_SIZE 10
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struct bcast_packet_v10 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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address orig;
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guint8 ttl;
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guint32 seqno;
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};
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#define BCAST_PACKET_V10_SIZE 13
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struct bcast_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 reserved;
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guint32 seqno;
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address orig;
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};
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#define BCAST_PACKET_V14_SIZE 14
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struct vis_packet_v6 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 vis_type; /* which type of vis-participant sent this? */
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guint8 seqno; /* sequence number */
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guint8 entries; /* number of entries behind this struct */
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guint8 ttl; /* TTL */
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address vis_orig; /* originator that informs about its neighbours */
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address target_orig; /* who should receive this packet */
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address sender_orig; /* who sent or rebroadcasted this packet */
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};
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#define VIS_PACKET_V6_SIZE 24
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struct vis_packet_v10 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 vis_type; /* which type of vis-participant sent this? */
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guint8 entries; /* number of entries behind this struct */
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guint32 seqno; /* sequence number */
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guint8 ttl; /* TTL */
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address vis_orig; /* originator that informs about its neighbours */
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address target_orig; /* who should receive this packet */
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address sender_orig; /* who sent or rebroadcasted this packet */
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};
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#define VIS_PACKET_V10_SIZE 27
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struct vis_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl; /* TTL */
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guint8 vis_type; /* which type of vis-participant sent this? */
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guint32 seqno; /* sequence number */
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guint8 entries; /* number of entries behind this struct */
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guint8 reserved;
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address vis_orig; /* originator that announces its neighbors */
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address target_orig; /* who should receive this packet */
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address sender_orig; /* who sent or rebroadcasted this packet */
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};
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#define VIS_PACKET_V14_SIZE 28
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#define VIS_ENTRY_V6_SIZE 7
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#define VIS_ENTRY_V8_SIZE 13
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#define VIS_TYPE_SERVER_SYNC 0
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#define VIS_TYPE_CLIENT_UPDATE 1
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struct tt_query_packet_v14 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 flags;
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address dst;
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address src;
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guint8 ttvn;
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guint16 tt_data;
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};
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#define TT_QUERY_PACKET_V14_SIZE 19
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#define TT_ENTRY_V14_SIZE 7
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struct roam_adv_packet_v14 {
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guint8 packet_type;
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guint8 version;
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guint8 ttl;
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guint8 reserved;
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address dst;
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address src;
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address client;
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};
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#define ROAM_ADV_PACKET_V14_SIZE 22
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struct coded_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 first_ttvn;
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address first_source;
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address first_orig_dest;
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guint32 first_crc;
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guint8 second_ttl;
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guint8 second_ttvn;
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address second_dest;
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address second_source;
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address second_orig_dest;
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guint32 second_crc;
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guint16 coded_len;
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};
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#define CODED_PACKET_V15_SIZE 46
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struct unicast_tvlv_packet_v15 {
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guint8 packet_type;
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guint8 version; /* batman version field */
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guint8 ttl;
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guint8 reserved;
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address dest;
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address src;
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guint16 tvlv_len;
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guint16 align;
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};
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#define UNICAST_TVLV_PACKET_V15_SIZE 20
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#define TLVLV_TT_VLAN_V15_SIZE 8
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#define TLVLV_TT_CHANGE_V15_SIZE 12
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/* End content from packet-batadv.h */
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/* trees */
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static gint ett_batadv_batman = -1;
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static gint ett_batadv_batman_flags = -1;
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static gint ett_batadv_batman_gwflags = -1;
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static gint ett_batadv_batman_tt = -1;
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static gint ett_batadv_iv_ogm = -1;
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static gint ett_batadv_iv_ogm_flags = -1;
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static gint ett_batadv_elp = -1;
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static gint ett_batadv_ogm2 = -1;
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static gint ett_batadv_ogm2_flags = -1;
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static gint ett_batadv_bcast = -1;
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static gint ett_batadv_icmp = -1;
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static gint ett_batadv_icmp_rr = -1;
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static gint ett_batadv_unicast = -1;
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static gint ett_batadv_unicast_4addr = -1;
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static gint ett_batadv_unicast_frag = -1;
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static gint ett_batadv_unicast_tvlv = -1;
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static gint ett_batadv_vis = -1;
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static gint ett_batadv_vis_entry = -1;
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static gint ett_batadv_tt_query = -1;
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static gint ett_batadv_tt_query_flags = -1;
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static gint ett_batadv_tt_entry = -1;
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static gint ett_batadv_tt_entry_flags = -1;
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static gint ett_batadv_roam_adv = -1;
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static gint ett_batadv_coded = -1;
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static gint ett_batadv_tvlv = -1;
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static gint ett_batadv_tvlv_mcast_flags = -1;
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static gint ett_batadv_tvlv_vid = -1;
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static gint ett_batadv_tvlv_tt_flags = -1;
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static gint ett_batadv_tvlv_tt_vlan = -1;
|
|
static gint ett_batadv_tvlv_tt_change = -1;
|
|
static gint ett_msg_fragment = -1;
|
|
static gint ett_msg_fragments = -1;
|
|
|
|
static expert_field ei_batadv_tvlv_unknown_version = EI_INIT;
|
|
static expert_field ei_batadv_tvlv_tt_vlan_crc = EI_INIT;
|
|
static expert_field ei_batadv_tvlv_tt_vlan_empty = EI_INIT;
|
|
|
|
/* hfs */
|
|
static int hf_batadv_packet_type = -1;
|
|
|
|
static int hf_batadv_batman_version = -1;
|
|
static int hf_batadv_batman_flags = -1;
|
|
static int hf_batadv_batman_ttl = -1;
|
|
static int hf_batadv_batman_gwflags = -1;
|
|
static int hf_batadv_batman_gwflags_dl_speed = -1;
|
|
static int hf_batadv_batman_gwflags_ul_speed = -1;
|
|
static int hf_batadv_batman_tq = -1;
|
|
static int hf_batadv_batman_seqno = -1;
|
|
static int hf_batadv_batman_seqno32 = -1;
|
|
static int hf_batadv_batman_orig = -1;
|
|
static int hf_batadv_batman_prev_sender = -1;
|
|
static int hf_batadv_batman_num_tt = -1;
|
|
static int hf_batadv_batman_tt_num_changes = -1;
|
|
static int hf_batadv_batman_ttvn = -1;
|
|
static int hf_batadv_batman_tt_crc = -1;
|
|
static int hf_batadv_batman_tt = -1;
|
|
|
|
static int hf_batadv_iv_ogm_version = -1;
|
|
static int hf_batadv_iv_ogm_ttl = -1;
|
|
static int hf_batadv_iv_ogm_flags = -1;
|
|
static int hf_batadv_iv_ogm_seqno = -1;
|
|
static int hf_batadv_iv_ogm_orig = -1;
|
|
static int hf_batadv_iv_ogm_prev_sender = -1;
|
|
static int hf_batadv_iv_ogm_tq = -1;
|
|
static int hf_batadv_iv_ogm_tvlv_len = -1;
|
|
|
|
static int hf_batadv_elp_version = -1;
|
|
static int hf_batadv_elp_orig = -1;
|
|
static int hf_batadv_elp_seqno = -1;
|
|
static int hf_batadv_elp_interval = -1;
|
|
|
|
static int hf_batadv_ogm2_version = -1;
|
|
static int hf_batadv_ogm2_ttl = -1;
|
|
static int hf_batadv_ogm2_flags = -1;
|
|
static int hf_batadv_ogm2_seqno = -1;
|
|
static int hf_batadv_ogm2_orig = -1;
|
|
static int hf_batadv_ogm2_tvlv_len = -1;
|
|
static int hf_batadv_ogm2_throughput = -1;
|
|
|
|
static int hf_batadv_bcast_version = -1;
|
|
static int hf_batadv_bcast_orig = -1;
|
|
static int hf_batadv_bcast_seqno = -1;
|
|
static int hf_batadv_bcast_seqno32 = -1;
|
|
static int hf_batadv_bcast_ttl = -1;
|
|
|
|
static int hf_batadv_icmp_version = -1;
|
|
static int hf_batadv_icmp_msg_type = -1;
|
|
static int hf_batadv_icmp_dst = -1;
|
|
static int hf_batadv_icmp_orig = -1;
|
|
static int hf_batadv_icmp_ttl = -1;
|
|
static int hf_batadv_icmp_uid = -1;
|
|
static int hf_batadv_icmp_seqno = -1;
|
|
|
|
static int hf_batadv_icmp_rr_pointer = -1;
|
|
static int hf_batadv_icmp_rr_ether = -1;
|
|
|
|
static int hf_batadv_icmp_tp_subtype = -1;
|
|
static int hf_batadv_icmp_tp_session = -1;
|
|
static int hf_batadv_icmp_tp_seqno = -1;
|
|
static int hf_batadv_icmp_tp_timestamp = -1;
|
|
|
|
static int hf_batadv_unicast_version = -1;
|
|
static int hf_batadv_unicast_dst = -1;
|
|
static int hf_batadv_unicast_ttl = -1;
|
|
static int hf_batadv_unicast_ttvn = -1;
|
|
|
|
static int hf_batadv_unicast_4addr_version = -1;
|
|
static int hf_batadv_unicast_4addr_dst = -1;
|
|
static int hf_batadv_unicast_4addr_ttl = -1;
|
|
static int hf_batadv_unicast_4addr_ttvn = -1;
|
|
static int hf_batadv_unicast_4addr_src = -1;
|
|
static int hf_batadv_unicast_4addr_subtype = -1;
|
|
|
|
static int hf_batadv_unicast_frag_version = -1;
|
|
static int hf_batadv_unicast_frag_dst = -1;
|
|
static int hf_batadv_unicast_frag_ttl = -1;
|
|
static int hf_batadv_unicast_frag_ttvn = -1;
|
|
static int hf_batadv_unicast_frag_flags = -1;
|
|
static int hf_batadv_unicast_frag_orig = -1;
|
|
static int hf_batadv_unicast_frag_seqno = -1;
|
|
static int hf_batadv_unicast_frag_no = -1;
|
|
static int hf_batadv_unicast_frag_priority = -1;
|
|
static int hf_batadv_unicast_frag_total_size = -1;
|
|
|
|
static int hf_batadv_unicast_tvlv_version = -1;
|
|
static int hf_batadv_unicast_tvlv_ttl = -1;
|
|
static int hf_batadv_unicast_tvlv_dst = -1;
|
|
static int hf_batadv_unicast_tvlv_src = -1;
|
|
static int hf_batadv_unicast_tvlv_len = -1;
|
|
|
|
static int hf_batadv_vis_version = -1;
|
|
static int hf_batadv_vis_type = -1;
|
|
static int hf_batadv_vis_seqno = -1;
|
|
static int hf_batadv_vis_seqno32 = -1;
|
|
static int hf_batadv_vis_entries = -1;
|
|
static int hf_batadv_vis_ttl = -1;
|
|
static int hf_batadv_vis_vis_orig = -1;
|
|
static int hf_batadv_vis_target_orig = -1;
|
|
static int hf_batadv_vis_sender_orig = -1;
|
|
static int hf_batadv_vis_entry_src = -1;
|
|
static int hf_batadv_vis_entry_dst = -1;
|
|
static int hf_batadv_vis_entry_quality = -1;
|
|
|
|
static int hf_batadv_tt_query_version = -1;
|
|
static int hf_batadv_tt_query_ttl = -1;
|
|
static int hf_batadv_tt_query_flags = -1;
|
|
static int hf_batadv_tt_query_flags_type = -1;
|
|
static int hf_batadv_tt_query_flags_full_table = -1;
|
|
static int hf_batadv_tt_query_dst = -1;
|
|
static int hf_batadv_tt_query_src = -1;
|
|
static int hf_batadv_tt_query_ttvn = -1;
|
|
static int hf_batadv_tt_query_tt_crc = -1;
|
|
static int hf_batadv_tt_query_entries = -1;
|
|
static int hf_batadv_tt_entry = -1;
|
|
static int hf_batadv_tt_entry_flags = -1;
|
|
static int hf_batadv_tt_entry_flags_change_del = -1;
|
|
static int hf_batadv_tt_entry_flags_client_roam = -1;
|
|
|
|
static int hf_batadv_roam_adv_version = -1;
|
|
static int hf_batadv_roam_adv_ttl = -1;
|
|
static int hf_batadv_roam_adv_dst = -1;
|
|
static int hf_batadv_roam_adv_src = -1;
|
|
static int hf_batadv_roam_adv_client = -1;
|
|
|
|
static int hf_batadv_coded_version = -1;
|
|
static int hf_batadv_coded_ttl = -1;
|
|
static int hf_batadv_coded_first_ttvn = -1;
|
|
static int hf_batadv_coded_first_source = -1;
|
|
static int hf_batadv_coded_first_orig_dest = -1;
|
|
static int hf_batadv_coded_first_crc = -1;
|
|
static int hf_batadv_coded_second_ttl = -1;
|
|
static int hf_batadv_coded_second_ttvn = -1;
|
|
static int hf_batadv_coded_second_dest = -1;
|
|
static int hf_batadv_coded_second_source = -1;
|
|
static int hf_batadv_coded_second_orig_dest = -1;
|
|
static int hf_batadv_coded_second_crc = -1;
|
|
static int hf_batadv_coded_coded_len = -1;
|
|
|
|
static int hf_msg_fragments = -1;
|
|
static int hf_msg_fragment = -1;
|
|
static int hf_msg_fragment_overlap = -1;
|
|
static int hf_msg_fragment_overlap_conflicts = -1;
|
|
static int hf_msg_fragment_multiple_tails = -1;
|
|
static int hf_msg_fragment_too_long_fragment = -1;
|
|
static int hf_msg_fragment_error = -1;
|
|
static int hf_msg_fragment_count = -1;
|
|
static int hf_msg_reassembled_in = -1;
|
|
static int hf_msg_reassembled_length = -1;
|
|
|
|
static int hf_batadv_tvlv_type = -1;
|
|
static int hf_batadv_tvlv_version = -1;
|
|
static int hf_batadv_tvlv_len = -1;
|
|
|
|
static int hf_batadv_tvlv_gw_download = -1;
|
|
static int hf_batadv_tvlv_gw_upload = -1;
|
|
|
|
static int hf_batadv_tvlv_roam_addr = -1;
|
|
static int hf_batadv_tvlv_roam_vid = -1;
|
|
static int hf_batadv_tvlv_vid_vlan = -1;
|
|
static int hf_batadv_tvlv_vid_tagged = -1;
|
|
|
|
static int hf_batadv_tvlv_tt_flags = -1;
|
|
static int hf_batadv_tvlv_tt_flags_type = -1;
|
|
static int hf_batadv_tvlv_tt_flags_full_table = -1;
|
|
static int hf_batadv_tvlv_tt_ttvn = -1;
|
|
static int hf_batadv_tvlv_tt_num_vlan = -1;
|
|
static int hf_batadv_tvlv_tt_vlan_crc = -1;
|
|
static int hf_batadv_tvlv_tt_vlan_crc_status = -1;
|
|
static int hf_batadv_tvlv_tt_vlan_vid = -1;
|
|
static int hf_batadv_tvlv_tt_change_flags = -1;
|
|
static int hf_batadv_tvlv_tt_change_vid = -1;
|
|
static int hf_batadv_tvlv_tt_change_addr = -1;
|
|
|
|
/* flags */
|
|
static int hf_batadv_batman_flags_directlink = -1;
|
|
static int hf_batadv_batman_flags_vis_server = -1;
|
|
static int hf_batadv_batman_flags_not_best_next_hop = -1;
|
|
static int hf_batadv_batman_flags_primaries_first_hop = -1;
|
|
static int hf_batadv_unicast_frag_flags_head = -1;
|
|
static int hf_batadv_unicast_frag_flags_largetail = -1;
|
|
static int hf_batadv_iv_ogm_flags_not_best_next_hop = -1;
|
|
static int hf_batadv_iv_ogm_flags_primaries_first_hop = -1;
|
|
static int hf_batadv_iv_ogm_flags_directlink = -1;
|
|
static int hf_batadv_tvlv_mcast_flags = -1;
|
|
static int hf_batadv_tvlv_mcast_flags_unsnoopables = -1;
|
|
static int hf_batadv_tvlv_mcast_flags_ipv4 = -1;
|
|
static int hf_batadv_tvlv_mcast_flags_ipv6 = -1;
|
|
static int hf_batadv_tvlv_mcast_flags_no_rtr4 = -1;
|
|
static int hf_batadv_tvlv_mcast_flags_no_rtr6 = -1;
|
|
static int hf_batadv_tvlv_tt_change_flags_del = -1;
|
|
static int hf_batadv_tvlv_tt_change_flags_roam = -1;
|
|
static int hf_batadv_tvlv_tt_change_flags_wifi = -1;
|
|
static int hf_batadv_tvlv_tt_change_flags_isolate = -1;
|
|
|
|
static const value_string unicast_4addr_typenames[] = {
|
|
{ UNICAST_4ADDR_DATA, "Data" },
|
|
{ UNICAST_4ADDR_DAT_DHT_GET, "DHT Get" },
|
|
{ UNICAST_4ADDR_DAT_DHT_PUT, "DHT Put" },
|
|
{ UNICAST_4ADDR_DAT_CACHE_REPLY, "DHT Cache Reply" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string tvlv_v15_typenames[] = {
|
|
{ BATADV_TVLV_V15_GW, "Gateway information" },
|
|
{ BATADV_TVLV_V15_DAT, "Distributed ARP Table" },
|
|
{ BATADV_TVLV_V15_NC, "Network Coding" },
|
|
{ BATADV_TVLV_V15_TT, "Translation Table" },
|
|
{ BATADV_TVLV_V15_ROAM, "Roaming" },
|
|
{ BATADV_TVLV_V15_MCAST, "Multicast" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string icmp_packettypenames[] = {
|
|
{ ECHO_REPLY, "ECHO_REPLY" },
|
|
{ DESTINATION_UNREACHABLE, "DESTINATION UNREACHABLE" },
|
|
{ ECHO_REQUEST, "ECHO_REQUEST" },
|
|
{ TTL_EXCEEDED, "TTL exceeded" },
|
|
{ BATADV_TP, "Throughput Meter" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string icmp_tp_packettypenames[] = {
|
|
{ 0, "Message" },
|
|
{ 1, "Acknowledgement" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string vis_packettypenames[] = {
|
|
{ VIS_TYPE_SERVER_SYNC, "SERVER_SYNC" },
|
|
{ VIS_TYPE_CLIENT_UPDATE, "CLIENT_UPDATE" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string tt_query_type_v14[] = {
|
|
{TT_REQUEST, "Request"},
|
|
{TT_RESPONSE, "Response"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string tvlv_tt_typenames[] = {
|
|
{BATADV_TVLVL_TT_OGM_DIFF, "OGM Diff"},
|
|
{BATADV_TVLVL_TT_REQUEST, "Request"},
|
|
{BATADV_TVLVL_TT_RESPONSE, "Response"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static int * const batman_v5_flags[] = {
|
|
&hf_batadv_batman_flags_directlink,
|
|
&hf_batadv_batman_flags_vis_server,
|
|
NULL
|
|
};
|
|
|
|
static int * const batman_v9_flags[] = {
|
|
&hf_batadv_batman_flags_directlink,
|
|
&hf_batadv_batman_flags_vis_server,
|
|
&hf_batadv_batman_flags_primaries_first_hop,
|
|
NULL
|
|
};
|
|
|
|
static int * const batman_v14_flags[] = {
|
|
&hf_batadv_batman_flags_directlink,
|
|
&hf_batadv_batman_flags_vis_server,
|
|
&hf_batadv_batman_flags_primaries_first_hop,
|
|
&hf_batadv_batman_flags_not_best_next_hop,
|
|
NULL
|
|
};
|
|
|
|
static int * const unicast_frag_flags[] = {
|
|
&hf_batadv_unicast_frag_flags_head,
|
|
&hf_batadv_unicast_frag_flags_largetail,
|
|
NULL
|
|
};
|
|
|
|
static int * const tt_query_flags[] = {
|
|
&hf_batadv_tt_query_flags_type,
|
|
&hf_batadv_tt_query_flags_full_table,
|
|
NULL
|
|
};
|
|
|
|
static int * const tt_entry_flags[] = {
|
|
&hf_batadv_tt_entry_flags_change_del,
|
|
&hf_batadv_tt_entry_flags_client_roam,
|
|
NULL
|
|
};
|
|
|
|
static const fragment_items msg_frag_items = {
|
|
/* Fragment subtrees */
|
|
&ett_msg_fragment,
|
|
&ett_msg_fragments,
|
|
/* Fragment fields */
|
|
&hf_msg_fragments,
|
|
&hf_msg_fragment,
|
|
&hf_msg_fragment_overlap,
|
|
&hf_msg_fragment_overlap_conflicts,
|
|
&hf_msg_fragment_multiple_tails,
|
|
&hf_msg_fragment_too_long_fragment,
|
|
&hf_msg_fragment_error,
|
|
&hf_msg_fragment_count,
|
|
/* Reassembled in field */
|
|
&hf_msg_reassembled_in,
|
|
&hf_msg_reassembled_length,
|
|
/* Reassembled data field */
|
|
NULL,
|
|
/* Tag */
|
|
"Message fragments"
|
|
};
|
|
|
|
|
|
/* forward declaration */
|
|
void proto_register_batadv(void);
|
|
void proto_reg_handoff_batadv(void);
|
|
|
|
static dissector_handle_t batman_handle;
|
|
|
|
/* supported packet dissectors */
|
|
static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v5(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v7(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v9(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v10(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v11(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_batman_v14(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static int dissect_batadv_ogm2_v15(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 type);
|
|
static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version);
|
|
static int dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint8 tt_flags, int changes_offset);
|
|
static int dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset);
|
|
|
|
|
|
/* other dissectors */
|
|
static dissector_handle_t eth_handle;
|
|
|
|
static int proto_batadv_plugin = -1;
|
|
|
|
/* tap */
|
|
static int batadv_tap = -1;
|
|
static int batadv_follow_tap = -1;
|
|
|
|
/* segmented messages */
|
|
static reassembly_table msg_reassembly_table;
|
|
|
|
static unsigned int batadv_ethertype = ETH_P_BATMAN;
|
|
|
|
static int dissect_batadv_plugin(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
guint8 version;
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
if (version < 15)
|
|
dissect_batadv_v5(tvb, pinfo, tree);
|
|
else
|
|
dissect_batadv_v15(tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, 0);
|
|
|
|
switch (type) {
|
|
case BATADV_PACKET_V5:
|
|
dissect_batadv_batman(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_ICMP_V5:
|
|
dissect_batadv_icmp(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_V5:
|
|
dissect_batadv_unicast(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_FRAG_V12:
|
|
dissect_batadv_unicast_frag(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_BCAST_V5:
|
|
dissect_batadv_bcast(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_VIS_V5:
|
|
dissect_batadv_vis(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_TT_QUERY_V14:
|
|
dissect_batadv_tt_query(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_ROAM_ADV_V14:
|
|
dissect_batadv_roam_adv(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_4ADDR_V14:
|
|
dissect_batadv_unicast_4addr(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
/* dunno */
|
|
{
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???");
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, 0);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, 0);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, 0);
|
|
|
|
switch (type) {
|
|
case BATADV_IV_OGM_V15:
|
|
dissect_batadv_iv_ogm(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_BCAST_V15:
|
|
dissect_batadv_bcast(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_CODED_V15:
|
|
dissect_batadv_coded(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_ELP_V15:
|
|
dissect_batadv_elp(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_OGM2_V15:
|
|
dissect_batadv_ogm2(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_V15:
|
|
dissect_batadv_unicast(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_FRAG_V15:
|
|
dissect_batadv_unicast_frag(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_4ADDR_V15:
|
|
dissect_batadv_unicast_4addr(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_ICMP_V15:
|
|
dissect_batadv_icmp(tvb, pinfo, tree);
|
|
break;
|
|
case BATADV_UNICAST_TVLV_V15:
|
|
dissect_batadv_unicast_tvlv(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
/* dunno */
|
|
{
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???");
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, 0);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, 0);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
int offset = 0;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BATMAN");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 5:
|
|
case 6:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V5_SIZE) {
|
|
offset = dissect_batadv_batman_v5(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
case 7:
|
|
case 8:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V7_SIZE) {
|
|
offset = dissect_batadv_batman_v7(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
case 9:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V9_SIZE) {
|
|
offset = dissect_batadv_batman_v9(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
case 11:
|
|
case 13:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V11_SIZE) {
|
|
offset = dissect_batadv_batman_v11(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
case 10:
|
|
case 12:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V10_SIZE) {
|
|
offset = dissect_batadv_batman_v10(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
case 14:
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V14_SIZE) {
|
|
offset = dissect_batadv_batman_v14(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_gwflags(tvbuff_t *tvb, guint8 gwflags, int offset, proto_item *tgw)
|
|
{
|
|
proto_tree *gwflags_tree;
|
|
guint8 s = (gwflags & 0x80) >> 7;
|
|
guint8 downbits = (gwflags & 0x78) >> 3;
|
|
guint8 upbits = (gwflags & 0x07);
|
|
guint down, up;
|
|
|
|
if (gwflags == 0) {
|
|
down = 0;
|
|
up = 0;
|
|
} else {
|
|
down = 32 * (s + 2) * (1 << downbits);
|
|
up = ((upbits + 1) * down) / 8;
|
|
}
|
|
|
|
gwflags_tree = proto_item_add_subtree(tgw, ett_batadv_batman_gwflags);
|
|
proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_dl_speed, tvb, offset, 1, down);
|
|
proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_ul_speed, tvb, offset, 1, up);
|
|
}
|
|
|
|
static int dissect_batadv_batman_v5(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *tgw;
|
|
proto_tree *batadv_batman_tree;
|
|
guint8 type;
|
|
struct batman_packet_v5 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v5);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->gwflags = tvb_get_guint8(tvb, offset+4);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+5);
|
|
batman_packeth->seqno = tvb_get_ntohs(tvb, offset+6);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14);
|
|
|
|
batman_packeth->num_tt = tvb_get_guint8(tvb, offset+20);
|
|
batman_packeth->pad = tvb_get_guint8(tvb, offset+21);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V5_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->num_tt; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 6);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += 6;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_batman_v7(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_batman_tree;
|
|
proto_item *ti;
|
|
guint8 type;
|
|
struct batman_packet_v7 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v7);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12);
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+18);
|
|
batman_packeth->num_tt = tvb_get_guint8(tvb, offset+19);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V7_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->num_tt; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 6);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += 6;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_batman_v9(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *tgw;
|
|
proto_tree *batadv_batman_tree;
|
|
guint8 type;
|
|
struct batman_packet_v9 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v9);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12);
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+18);
|
|
batman_packeth->num_tt = tvb_get_guint8(tvb, offset+19);
|
|
batman_packeth->gwflags = tvb_get_guint8(tvb, offset+20);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V9_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->num_tt; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 6);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += 6;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_batman_v10(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *tgw;
|
|
proto_tree *batadv_batman_tree;
|
|
guint8 type;
|
|
struct batman_packet_v10 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v10);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14);
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+20);
|
|
batman_packeth->num_tt = tvb_get_guint8(tvb, offset+21);
|
|
batman_packeth->gwflags = tvb_get_guint8(tvb, offset+22);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V10_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->num_tt; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 6);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += 6;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_batman_v11(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_batman_tree;
|
|
proto_item *ti;
|
|
guint8 type;
|
|
struct batman_packet_v11 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v11);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14);
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+20);
|
|
batman_packeth->num_tt = tvb_get_guint8(tvb, offset+21);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V11_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->num_tt; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 6);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += 6;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_batman_v14(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *tgw;
|
|
proto_tree *batadv_batman_tree;
|
|
guint8 type;
|
|
struct batman_packet_v14 *batman_packeth;
|
|
gint i;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
|
|
batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v14);
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
batman_packeth->version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) {
|
|
return -1;
|
|
}
|
|
|
|
batman_packeth->ttl = tvb_get_guint8(tvb, offset+2);
|
|
batman_packeth->flags = tvb_get_guint8(tvb, offset+3);
|
|
batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4);
|
|
set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8);
|
|
copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &batman_packeth->orig);
|
|
set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14);
|
|
batman_packeth->gw_flags = tvb_get_guint8(tvb, offset+20);
|
|
batman_packeth->tq = tvb_get_guint8(tvb, offset+21);
|
|
batman_packeth->tt_num_changes = tvb_get_guint8(tvb, offset+22);
|
|
batman_packeth->ttvn = tvb_get_guint8(tvb, offset+23);
|
|
batman_packeth->tt_crc = tvb_get_ntohs(tvb, offset+24);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N., Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig));
|
|
batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5,
|
|
"Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags,
|
|
ett_batadv_batman_flags, batman_v14_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
dissect_batadv_gwflags(tvb, batman_packeth->gw_flags, offset, tgw);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_num_changes, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, batman_packeth);
|
|
|
|
for (i = 0; i < batman_packeth->tt_num_changes; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_tt_entry_v14(next_tvb, pinfo, batadv_batman_tree);
|
|
offset += TT_ENTRY_V14_SIZE;
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
int offset = 0;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_IV_OGM");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 15:
|
|
while (offset != -1 &&
|
|
tvb_reported_length_remaining(tvb, offset) >= IV_OGM_PACKET_V15_SIZE) {
|
|
offset = dissect_batadv_iv_ogm_v15(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, int offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_iv_ogm_tree;
|
|
proto_item *ti;
|
|
guint8 type, version;
|
|
struct iv_ogm_packet_v15 *iv_ogm_packeth;
|
|
tvbuff_t *next_tvb;
|
|
static int * const flags[] = {
|
|
&hf_batadv_iv_ogm_flags_directlink,
|
|
&hf_batadv_iv_ogm_flags_primaries_first_hop,
|
|
&hf_batadv_iv_ogm_flags_not_best_next_hop,
|
|
NULL
|
|
};
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (version == 0 || type != BATADV_IV_OGM_V15)
|
|
return -1;
|
|
|
|
iv_ogm_packeth = wmem_new(pinfo->pool, struct iv_ogm_packet_v15);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, offset,
|
|
IV_OGM_PACKET_V15_SIZE + iv_ogm_packeth->tvlv_len,
|
|
"B.A.T.M.A.N. IV OGM, Orig: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8));
|
|
batadv_iv_ogm_tree = proto_item_add_subtree(ti, ett_batadv_iv_ogm);
|
|
|
|
/* items */
|
|
iv_ogm_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_iv_ogm_tree,
|
|
hf_batadv_packet_type,
|
|
tvb, offset, 1, BATADV_IV_OGM_V15,
|
|
"%s (%u)", "BATADV_IV_OGM",
|
|
BATADV_IV_OGM_V15);
|
|
offset += 1;
|
|
|
|
iv_ogm_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
iv_ogm_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_ttl, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
iv_ogm_packeth->flags = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_bitmask(batadv_iv_ogm_tree, tvb, offset,
|
|
hf_batadv_iv_ogm_flags, ett_batadv_iv_ogm_flags,
|
|
flags, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item_ret_uint(batadv_iv_ogm_tree, hf_batadv_iv_ogm_seqno,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN,
|
|
&iv_ogm_packeth->seqno);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", iv_ogm_packeth->seqno);
|
|
offset += 4;
|
|
|
|
set_address_tvb(&iv_ogm_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_orig, tvb,
|
|
offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&iv_ogm_packeth->prev_sender, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_prev_sender, tvb,
|
|
offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
iv_ogm_packeth->reserved = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
iv_ogm_packeth->tq = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tq, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
iv_ogm_packeth->tvlv_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tvlv_len, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, iv_ogm_packeth);
|
|
|
|
if (iv_ogm_packeth->tvlv_len > 0) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset,
|
|
iv_ogm_packeth->tvlv_len);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_iv_ogm_tree);
|
|
offset += iv_ogm_packeth->tvlv_len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_batman_tt_tree;
|
|
proto_item *ti;
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, 6,
|
|
"B.A.T.M.A.N. TT: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0));
|
|
batadv_batman_tt_tree = proto_item_add_subtree(ti, ett_batadv_batman_tt);
|
|
|
|
proto_tree_add_item(batadv_batman_tt_tree, hf_batadv_batman_tt, tvb, 0, 6, ENC_NA);
|
|
}
|
|
|
|
static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BCAST");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
case 9:
|
|
dissect_batadv_bcast_v6(tvb, pinfo, tree);
|
|
break;
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
dissect_batadv_bcast_v10(tvb, pinfo, tree);
|
|
break;
|
|
case 14:
|
|
case 15:
|
|
dissect_batadv_bcast_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct bcast_packet_v6 *bcast_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_bcast_tree;
|
|
proto_item *ti;
|
|
|
|
bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v6);
|
|
|
|
bcast_packeth->version = tvb_get_guint8(tvb, 1);
|
|
set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2);
|
|
copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &bcast_packeth->orig);
|
|
bcast_packeth->seqno = tvb_get_ntohs(tvb, 8);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V6_SIZE,
|
|
"B.A.T.M.A.N. Bcast, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig));
|
|
batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5,
|
|
"Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, bcast_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct bcast_packet_v10 *bcast_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_bcast_tree;
|
|
proto_item *ti;
|
|
|
|
bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v10);
|
|
|
|
bcast_packeth->version = tvb_get_guint8(tvb, 1);
|
|
set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2);
|
|
copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &bcast_packeth->orig);
|
|
bcast_packeth->ttl = tvb_get_guint8(tvb, 8);
|
|
bcast_packeth->seqno = tvb_get_ntohl(tvb, 9);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V10_SIZE,
|
|
"B.A.T.M.A.N. Bcast, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig));
|
|
batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5,
|
|
"Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, bcast_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct bcast_packet_v14 *bcast_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_bcast_tree;
|
|
proto_item *ti;
|
|
|
|
bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v14);
|
|
|
|
bcast_packeth->packet_type = tvb_get_guint8(tvb, 0);
|
|
bcast_packeth->version = tvb_get_guint8(tvb, 1);
|
|
bcast_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
bcast_packeth->reserved = tvb_get_guint8(tvb, 3);
|
|
bcast_packeth->seqno = tvb_get_ntohl(tvb, 4);
|
|
set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 8);
|
|
copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &bcast_packeth->orig);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Bcast, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig));
|
|
batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format_value(batadv_bcast_tree,
|
|
hf_batadv_packet_type, tvb, offset, 1,
|
|
bcast_packeth->packet_type,
|
|
"%s (%u)", "BATADV_BCAST",
|
|
bcast_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, bcast_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ICMP");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 6:
|
|
dissect_batadv_icmp_v6(tvb, pinfo, tree);
|
|
break;
|
|
case 7:
|
|
case 8:
|
|
case 9:
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
dissect_batadv_icmp_v7(tvb, pinfo, tree);
|
|
break;
|
|
case 14:
|
|
dissect_batadv_icmp_v14(tvb, pinfo, tree);
|
|
break;
|
|
case 15:
|
|
dissect_batadv_icmp_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct icmp_packet_v6 *icmp_packeth;
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_icmp_tree;
|
|
proto_item *ti;
|
|
|
|
icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v6);
|
|
|
|
icmp_packeth->version = tvb_get_guint8(tvb, 1);
|
|
icmp_packeth->msg_type = tvb_get_guint8(tvb, 2);
|
|
set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 3);
|
|
set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 9);
|
|
|
|
copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &icmp_packeth->dst);
|
|
|
|
icmp_packeth->ttl = tvb_get_guint8(tvb, 15);
|
|
icmp_packeth->uid = tvb_get_guint8(tvb, 16);
|
|
icmp_packeth->seqno = tvb_get_ntohs(tvb, 17);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"),
|
|
icmp_packeth->seqno);
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V6_SIZE,
|
|
"B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig),
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst));
|
|
batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5,
|
|
"Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, icmp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_batadv_icmp_rr(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_tree *field_tree;
|
|
int ptr, i;
|
|
|
|
ptr = tvb_get_guint8(tvb, offset);
|
|
if (ptr < 1 || ptr > BAT_RR_LEN)
|
|
return;
|
|
|
|
field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset, 1+ 6 * BAT_RR_LEN,
|
|
ett_batadv_icmp_rr, NULL, "ICMP RR");
|
|
proto_tree_add_item(field_tree, hf_batadv_icmp_rr_pointer, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
ptr--;
|
|
offset++;
|
|
for (i = 0; i < BAT_RR_LEN; i++) {
|
|
proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether, tvb, offset, 6, tvb_get_ptr(tvb, offset, 6),
|
|
"%s%s", (i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset),
|
|
(i == ptr) ? " <- (current)" : "");
|
|
|
|
offset += 6;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_batadv_icmp_rr_v15(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb,
|
|
int offset, int ptr)
|
|
{
|
|
proto_tree *field_tree;
|
|
int i;
|
|
|
|
field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset,
|
|
6 * BAT_RR_LEN,
|
|
ett_batadv_icmp_rr, NULL,
|
|
"ICMP RR");
|
|
ptr--;
|
|
|
|
for (i = 0; i < BAT_RR_LEN; i++) {
|
|
proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether,
|
|
tvb, offset, 6,
|
|
tvb_get_ptr(tvb, offset, 6),
|
|
"%s%s",
|
|
(i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset),
|
|
(i == ptr) ? " <- (current)" : "");
|
|
|
|
offset += 6;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct icmp_packet_v7 *icmp_packeth;
|
|
proto_item *ti;
|
|
proto_tree *batadv_icmp_tree;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
|
|
icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v7);
|
|
|
|
icmp_packeth->version = tvb_get_guint8(tvb, 1);
|
|
icmp_packeth->msg_type = tvb_get_guint8(tvb, 2);
|
|
icmp_packeth->ttl = tvb_get_guint8(tvb, 3);
|
|
set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4);
|
|
set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10);
|
|
|
|
copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &icmp_packeth->dst);
|
|
|
|
icmp_packeth->seqno = tvb_get_ntohs(tvb, 16);
|
|
icmp_packeth->uid = tvb_get_guint8(tvb, 17);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"),
|
|
icmp_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V7_SIZE,
|
|
"B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig),
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst));
|
|
batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5,
|
|
"Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* rr data available? */
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining >= 1 + BAT_RR_LEN * 6) {
|
|
dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset);
|
|
offset += 1 + BAT_RR_LEN * 6;
|
|
}
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, icmp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct icmp_packet_v14 *icmp_packeth;
|
|
proto_item *ti;
|
|
proto_tree *batadv_icmp_tree;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
|
|
icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v14);
|
|
|
|
icmp_packeth->version = tvb_get_guint8(tvb, 1);
|
|
icmp_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
icmp_packeth->msg_type = tvb_get_guint8(tvb, 3);
|
|
set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4);
|
|
set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10);
|
|
|
|
copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &icmp_packeth->dst);
|
|
|
|
icmp_packeth->seqno = tvb_get_ntohs(tvb, 16);
|
|
icmp_packeth->uid = tvb_get_guint8(tvb, 17);
|
|
icmp_packeth->reserved = tvb_get_guint8(tvb, 18);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"),
|
|
icmp_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig),
|
|
address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst));
|
|
batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5,
|
|
"Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
/* rr data available? */
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining >= 1 + BAT_RR_LEN * 6) {
|
|
dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset);
|
|
offset += 1 + BAT_RR_LEN * 6;
|
|
}
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, icmp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_tp_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct icmp_tp_packet_v15 *icmp_packeth;
|
|
proto_item *ti;
|
|
proto_tree *batadv_icmp_tree = NULL;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
guint32 msg_type;
|
|
int offset = 0;
|
|
|
|
icmp_packeth = wmem_new(pinfo->pool, struct icmp_tp_packet_v15);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0, ICMP_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. ICMP TP, Orig: %s, Dst: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10),
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4));
|
|
batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp);
|
|
|
|
/* items */
|
|
icmp_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_icmp_tree,
|
|
hf_batadv_packet_type, tvb,
|
|
offset, 1, icmp_packeth->packet_type,
|
|
"%s (%u)", "BATADV_ICMP",
|
|
icmp_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
icmp_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->msg_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(msg_type, icmp_packettypenames,
|
|
"Unknown (0x%02x)"));
|
|
offset += 1;
|
|
|
|
set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &icmp_packeth->dst);
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset,
|
|
6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &icmp_packeth->orig);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset,
|
|
6, ENC_NA);
|
|
offset += 6;
|
|
|
|
icmp_packeth->uid = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->subtype = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_subtype, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->session = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_session, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_tp_seqno,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN,
|
|
&icmp_packeth->seqno);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", icmp_packeth->seqno);
|
|
offset += 4;
|
|
|
|
icmp_packeth->timestamp = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_timestamp, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, icmp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_simple_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct icmp_packet_v15 *icmp_packeth;
|
|
proto_item *ti;
|
|
proto_tree *batadv_icmp_tree;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
guint32 msg_type;
|
|
int offset = 0;
|
|
guint32 seqno;
|
|
|
|
icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v15);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0, ICMP_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10),
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4));
|
|
batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp);
|
|
|
|
/* items */
|
|
icmp_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_icmp_tree,
|
|
hf_batadv_packet_type, tvb,
|
|
offset, 1, icmp_packeth->packet_type,
|
|
"%s (%u)", "BATADV_ICMP",
|
|
icmp_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
icmp_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->msg_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(msg_type, icmp_packettypenames,
|
|
"Unknown (0x%02x)"));
|
|
offset += 1;
|
|
|
|
set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &icmp_packeth->dst);
|
|
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset,
|
|
6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &icmp_packeth->orig);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset,
|
|
6, ENC_NA);
|
|
offset += 6;
|
|
|
|
icmp_packeth->uid = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->rr_ptr = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_rr_pointer, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
icmp_packeth->seqno = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_seqno,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN, &seqno);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", seqno);
|
|
offset += 2;
|
|
|
|
/* rr data available? */
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining >= BAT_RR_LEN * 6) {
|
|
dissect_batadv_icmp_rr_v15(pinfo, batadv_icmp_tree, tvb, offset,
|
|
icmp_packeth->rr_ptr);
|
|
offset += BAT_RR_LEN * 6;
|
|
}
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, icmp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 msg_type;
|
|
|
|
msg_type = tvb_get_guint8(tvb, 3);
|
|
switch (msg_type) {
|
|
case BATADV_TP:
|
|
dissect_batadv_icmp_tp_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
dissect_batadv_icmp_simple_v15(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
case 9:
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
dissect_batadv_unicast_v6(tvb, pinfo, tree);
|
|
break;
|
|
case 14:
|
|
case 15:
|
|
dissect_batadv_unicast_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct unicast_packet_v6 *unicast_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_unicast_tree;
|
|
proto_item *ti;
|
|
|
|
unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v6);
|
|
|
|
unicast_packeth->version = tvb_get_guint8(tvb, 1);
|
|
set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 2);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_packeth->dest);
|
|
|
|
unicast_packeth->ttl = tvb_get_guint8(tvb, 8);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V6_SIZE,
|
|
"B.A.T.M.A.N. Unicast, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest));
|
|
batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_unicast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_V5,
|
|
"Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct unicast_packet_v14 *unicast_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_unicast_tree;
|
|
proto_item *ti;
|
|
|
|
unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v14);
|
|
|
|
unicast_packeth->packet_type = tvb_get_guint8(tvb, 0);
|
|
unicast_packeth->version = tvb_get_guint8(tvb, 1);
|
|
unicast_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
unicast_packeth->ttvn = tvb_get_guint8(tvb, 3);
|
|
set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 4);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_packeth->dest);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Unicast, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest));
|
|
batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format_value(batadv_unicast_tree,
|
|
hf_batadv_packet_type, tvb, offset, 1,
|
|
unicast_packeth->packet_type,
|
|
"%s (%u)",
|
|
"BATADV_UNICAST",
|
|
unicast_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_4ADDR");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 14:
|
|
case 15:
|
|
dissect_batadv_unicast_4addr_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct unicast_4addr_packet_v14 *unicast_4addr_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
proto_tree *batadv_unicast_4addr_tree;
|
|
proto_item *ti;
|
|
|
|
unicast_4addr_packeth = wmem_new(pinfo->pool, struct unicast_4addr_packet_v14);
|
|
|
|
unicast_4addr_packeth->packet_type = tvb_get_guint8(tvb, 0);
|
|
unicast_4addr_packeth->version = tvb_get_guint8(tvb, 1);
|
|
unicast_4addr_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
unicast_4addr_packeth->ttvn = tvb_get_guint8(tvb, 3);
|
|
set_address_tvb(&unicast_4addr_packeth->dest, AT_ETHER, 6, tvb, 4);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_4addr_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_4addr_packeth->dest);
|
|
|
|
set_address_tvb(&unicast_4addr_packeth->src, AT_ETHER, 6, tvb, 10);
|
|
copy_address_shallow(&pinfo->dl_src, &unicast_4addr_packeth->src);
|
|
copy_address_shallow(&pinfo->src, &unicast_4addr_packeth->src);
|
|
unicast_4addr_packeth->subtype = tvb_get_guint8(tvb, 16);
|
|
unicast_4addr_packeth->reserved = tvb_get_guint8(tvb, 17);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
|
|
val_to_str(unicast_4addr_packeth->subtype, unicast_4addr_typenames, "Unknown (0x%02x)"));
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_4ADDR_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Unicast 4Addr, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &unicast_4addr_packeth->dest));
|
|
batadv_unicast_4addr_tree = proto_item_add_subtree(ti, ett_batadv_unicast_4addr);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format_value(batadv_unicast_4addr_tree,
|
|
hf_batadv_packet_type, tvb, offset, 1,
|
|
unicast_4addr_packeth->packet_type,
|
|
"%s (%u)", "BATADV_UNICAST_4ADDR",
|
|
unicast_4addr_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_src, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_subtype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_4addr_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_FRAG");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 12:
|
|
case 13:
|
|
dissect_batadv_unicast_frag_v12(tvb, pinfo, tree);
|
|
break;
|
|
case 14:
|
|
dissect_batadv_unicast_frag_v14(tvb, pinfo, tree);
|
|
break;
|
|
case 15:
|
|
dissect_batadv_unicast_frag_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct unicast_frag_packet_v12 *unicast_frag_packeth;
|
|
gboolean save_fragmented;
|
|
fragment_head *frag_msg = NULL;
|
|
proto_tree *batadv_unicast_frag_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *new_tvb;
|
|
int offset = 0;
|
|
int head = 0;
|
|
gint length_remaining;
|
|
|
|
unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v12);
|
|
|
|
unicast_frag_packeth->version = tvb_get_guint8(tvb, 1);
|
|
set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 2);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest);
|
|
unicast_frag_packeth->ttl = tvb_get_guint8(tvb, 8);
|
|
unicast_frag_packeth->flags = tvb_get_guint8(tvb, 9);
|
|
set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 10);
|
|
copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig);
|
|
unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 16);
|
|
|
|
save_fragmented = pinfo->fragmented;
|
|
pinfo->fragmented = TRUE;
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V12_SIZE,
|
|
"B.A.T.M.A.N. Unicast Fragment, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest));
|
|
batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12,
|
|
"Packet Type: %s (%u)", "BATADV_UNICAST_FRAG", BATADV_UNICAST_FRAG_V12);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags,
|
|
ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth);
|
|
|
|
head = (unicast_frag_packeth->flags & 0x1);
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining < 0)
|
|
length_remaining = 0;
|
|
frag_msg = fragment_add_seq_check(&msg_reassembly_table,
|
|
tvb, offset,
|
|
pinfo, unicast_frag_packeth->seqno + head, NULL,
|
|
1 - head,
|
|
length_remaining,
|
|
head);
|
|
|
|
new_tvb = process_reassembled_data(tvb, offset, pinfo,
|
|
"Reassembled Message", frag_msg, &msg_frag_items,
|
|
NULL, batadv_unicast_frag_tree);
|
|
if (new_tvb) {
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, new_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, new_tvb, pinfo, tree);
|
|
}
|
|
|
|
pinfo->fragmented = save_fragmented;
|
|
}
|
|
|
|
static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct unicast_frag_packet_v14 *unicast_frag_packeth;
|
|
gboolean save_fragmented;
|
|
fragment_head *frag_msg = NULL;
|
|
proto_tree *batadv_unicast_frag_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *new_tvb;
|
|
int offset = 0;
|
|
int head = 0;
|
|
gint length_remaining;
|
|
|
|
unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v14);
|
|
|
|
unicast_frag_packeth->version = tvb_get_guint8(tvb, 1);
|
|
unicast_frag_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
unicast_frag_packeth->ttvn = tvb_get_guint8(tvb, 3);
|
|
set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 4);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest);
|
|
unicast_frag_packeth->flags = tvb_get_guint8(tvb, 10);
|
|
unicast_frag_packeth->align = tvb_get_guint8(tvb, 11);
|
|
set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 12);
|
|
copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig);
|
|
unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 18);
|
|
|
|
save_fragmented = pinfo->fragmented;
|
|
pinfo->fragmented = TRUE;
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Unicast Fragment, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest));
|
|
batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12,
|
|
"Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_FRAG_V12);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags,
|
|
ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth);
|
|
|
|
head = (unicast_frag_packeth->flags & 0x1);
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining < 0)
|
|
length_remaining = 0;
|
|
frag_msg = fragment_add_seq_check(&msg_reassembly_table,
|
|
tvb, offset,
|
|
pinfo, unicast_frag_packeth->seqno + head, NULL,
|
|
1 - head,
|
|
length_remaining,
|
|
head);
|
|
|
|
new_tvb = process_reassembled_data(tvb, offset, pinfo,
|
|
"Reassembled Message", frag_msg, &msg_frag_items,
|
|
NULL, batadv_unicast_frag_tree);
|
|
if (new_tvb) {
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, new_tvb);
|
|
}
|
|
|
|
call_dissector(eth_handle, new_tvb, pinfo, tree);
|
|
}
|
|
|
|
pinfo->fragmented = save_fragmented;
|
|
}
|
|
|
|
static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct unicast_frag_packet_v15 *unicast_frag_packeth;
|
|
gboolean save_fragmented;
|
|
fragment_head *frag_msg = NULL;
|
|
proto_tree *batadv_unicast_frag_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *new_tvb;
|
|
int offset = 0;
|
|
int frag_no = 0;
|
|
gint length_remaining;
|
|
|
|
unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v15);
|
|
|
|
save_fragmented = pinfo->fragmented;
|
|
pinfo->fragmented = TRUE;
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0,
|
|
UNICAST_FRAG_PACKET_V15_SIZE,
|
|
"B.A.T.M.A.N. Unicast Fragment, Dst: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4));
|
|
batadv_unicast_frag_tree = proto_item_add_subtree(ti,
|
|
ett_batadv_unicast_frag);
|
|
|
|
/* items */
|
|
unicast_frag_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_unicast_frag_tree,
|
|
hf_batadv_packet_type, tvb, offset, 1,
|
|
unicast_frag_packeth->packet_type,
|
|
"%s (%u)", "BATADV_UNICAST",
|
|
unicast_frag_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
unicast_frag_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_frag_tree,
|
|
hf_batadv_unicast_frag_version, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
unicast_frag_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_frag_tree,
|
|
hf_batadv_unicast_frag_ttl, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
unicast_frag_packeth->no = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_no,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(batadv_unicast_frag_tree,
|
|
hf_batadv_unicast_frag_priority,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest);
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig);
|
|
copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig);
|
|
proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_frag_tree,
|
|
hf_batadv_unicast_frag_seqno, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
unicast_frag_packeth->total_size = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_frag_tree,
|
|
hf_batadv_unicast_frag_total_size, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth);
|
|
|
|
frag_no = unicast_frag_packeth->no >> 4;
|
|
/* only support 2 fragments */
|
|
if (frag_no > 1)
|
|
return;
|
|
|
|
length_remaining = tvb_captured_length_remaining(tvb, offset);
|
|
if (length_remaining < 0)
|
|
length_remaining = 0;
|
|
frag_msg = fragment_add_seq_check(&msg_reassembly_table,
|
|
tvb, offset, pinfo,
|
|
unicast_frag_packeth->seqno, NULL,
|
|
1 - frag_no, length_remaining, TRUE);
|
|
|
|
/* Assemble 2 fragments */
|
|
fragment_set_tot_len(&msg_reassembly_table, pinfo,
|
|
unicast_frag_packeth->seqno, NULL, 1);
|
|
|
|
new_tvb = process_reassembled_data(tvb, offset, pinfo,
|
|
"Reassembled Message", frag_msg, &msg_frag_items,
|
|
NULL, batadv_unicast_frag_tree);
|
|
if (new_tvb) {
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, new_tvb);
|
|
}
|
|
|
|
call_dissector(batman_handle, new_tvb, pinfo, tree);
|
|
}
|
|
|
|
pinfo->fragmented = save_fragmented;
|
|
}
|
|
|
|
static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_VIS");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
case 9:
|
|
dissect_batadv_vis_v6(tvb, pinfo, tree);
|
|
break;
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
dissect_batadv_vis_v10(tvb, pinfo, tree);
|
|
break;
|
|
case 14:
|
|
dissect_batadv_vis_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct vis_packet_v6 *vis_packeth;
|
|
proto_tree *batadv_vis_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
guint entry_size;
|
|
gint length_remaining;
|
|
int offset = 0, i;
|
|
|
|
vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v6);
|
|
|
|
vis_packeth->version = tvb_get_guint8(tvb, 1);
|
|
vis_packeth->vis_type = tvb_get_guint8(tvb, 2);
|
|
vis_packeth->seqno = tvb_get_guint8(tvb, 3);
|
|
vis_packeth->entries = tvb_get_guint8(tvb, 4);
|
|
vis_packeth->ttl = tvb_get_guint8(tvb, 5);
|
|
|
|
set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 6);
|
|
copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig);
|
|
set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 12);
|
|
copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig);
|
|
copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig);
|
|
set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 18);
|
|
copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig);
|
|
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"),
|
|
vis_packeth->seqno);
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V6_SIZE,
|
|
"B.A.T.M.A.N. Vis, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig));
|
|
batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5,
|
|
"Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, vis_packeth);
|
|
|
|
switch (vis_packeth->version) {
|
|
case 6:
|
|
case 7:
|
|
entry_size = VIS_ENTRY_V6_SIZE;
|
|
break;
|
|
default:
|
|
case 8:
|
|
case 9:
|
|
entry_size = VIS_ENTRY_V8_SIZE;
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < vis_packeth->entries; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, entry_size);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
if (batadv_vis_tree != NULL) {
|
|
switch (vis_packeth->version) {
|
|
case 6:
|
|
case 7:
|
|
dissect_vis_entry_v6(next_tvb, pinfo, batadv_vis_tree);
|
|
break;
|
|
default:
|
|
case 8:
|
|
case 9:
|
|
dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
offset += entry_size;
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct vis_packet_v10 *vis_packeth;
|
|
proto_tree *batadv_vis_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0, i;
|
|
|
|
vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v10);
|
|
|
|
vis_packeth->version = tvb_get_guint8(tvb, 1);
|
|
vis_packeth->vis_type = tvb_get_guint8(tvb, 2);
|
|
vis_packeth->entries = tvb_get_guint8(tvb, 3);
|
|
vis_packeth->seqno = tvb_get_ntohl(tvb, 4);
|
|
vis_packeth->ttl = tvb_get_guint8(tvb, 8);
|
|
|
|
set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 9);
|
|
copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig);
|
|
set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 15);
|
|
copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig);
|
|
copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig);
|
|
set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 21);
|
|
copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig);
|
|
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"),
|
|
vis_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V10_SIZE,
|
|
"B.A.T.M.A.N. Vis, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig));
|
|
batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5,
|
|
"Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, vis_packeth);
|
|
|
|
for (i = 0; i < vis_packeth->entries; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree);
|
|
offset += VIS_ENTRY_V8_SIZE;
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct vis_packet_v14 *vis_packeth;
|
|
proto_tree *batadv_vis_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0, i;
|
|
|
|
vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v14);
|
|
|
|
vis_packeth->version = tvb_get_guint8(tvb, 1);
|
|
vis_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
vis_packeth->vis_type = tvb_get_guint8(tvb, 3);
|
|
vis_packeth->seqno = tvb_get_ntohl(tvb, 4);
|
|
vis_packeth->entries = tvb_get_guint8(tvb, 8);
|
|
vis_packeth->reserved = tvb_get_guint8(tvb, 9);
|
|
|
|
set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 10);
|
|
copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig);
|
|
set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 16);
|
|
copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig);
|
|
copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig);
|
|
set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 22);
|
|
copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u",
|
|
val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"),
|
|
vis_packeth->seqno);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Vis, Orig: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig));
|
|
batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5,
|
|
"Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, vis_packeth);
|
|
|
|
for (i = 0; i < vis_packeth->entries; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree);
|
|
offset += VIS_ENTRY_V8_SIZE;
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_vis_entry_tree;
|
|
proto_item *ti;
|
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V6_SIZE,
|
|
"VIS Entry: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0));
|
|
batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry);
|
|
|
|
proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 0, 6, ENC_NA);
|
|
proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 6, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_vis_entry_tree;
|
|
proto_item *ti;
|
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V8_SIZE,
|
|
"VIS Entry: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 6));
|
|
batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry);
|
|
|
|
proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_src, tvb, 0, 6, ENC_NA);
|
|
proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 6, 6, ENC_NA);
|
|
proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 12, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_TT_QUERY");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 14:
|
|
dissect_batadv_tt_query_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct tt_query_packet_v14 *tt_query_packeth;
|
|
proto_tree *batadv_tt_query_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0, i;
|
|
int tt_type;
|
|
|
|
tt_query_packeth = wmem_new(pinfo->pool, struct tt_query_packet_v14);
|
|
|
|
tt_query_packeth->version = tvb_get_guint8(tvb, 1);
|
|
tt_query_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
tt_query_packeth->flags = tvb_get_guint8(tvb, 3);
|
|
|
|
set_address_tvb(&tt_query_packeth->dst, AT_ETHER, 6, tvb, 4);
|
|
copy_address_shallow(&pinfo->dl_dst, &tt_query_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &tt_query_packeth->dst);
|
|
|
|
set_address_tvb(&tt_query_packeth->src, AT_ETHER, 6, tvb, 10);
|
|
copy_address_shallow(&pinfo->dl_src, &tt_query_packeth->src);
|
|
copy_address_shallow(&pinfo->src, &tt_query_packeth->src);
|
|
|
|
tt_query_packeth->ttvn = tvb_get_guint8(tvb, 16);
|
|
tt_query_packeth->tt_data = tvb_get_ntohs(tvb, 17);
|
|
|
|
tt_type = TT_TYPE_MASK & tt_query_packeth->flags;
|
|
|
|
/* Set info column */
|
|
switch (tt_type) {
|
|
case TT_REQUEST:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Request=%u", tt_query_packeth->ttvn);
|
|
break;
|
|
case TT_RESPONSE:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Response=%u", tt_query_packeth->ttvn);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Type %u", tt_type);
|
|
break;
|
|
}
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_QUERY_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. TT Query, Dst: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &tt_query_packeth->dst));
|
|
batadv_tt_query_tree = proto_item_add_subtree(ti, ett_batadv_tt_query);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_tt_query_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_TT_QUERY_V14,
|
|
"Packet Type: %s (%u)", "BATADV_TT_QUERY", BATADV_TT_QUERY_V14);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_bitmask(batadv_tt_query_tree, tvb, offset, hf_batadv_tt_query_flags,
|
|
ett_batadv_tt_query_flags, tt_query_flags, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_src, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
switch (tt_type) {
|
|
case TT_REQUEST:
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case TT_RESPONSE:
|
|
proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_entries, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, tt_query_packeth);
|
|
|
|
if (tt_type == TT_RESPONSE) {
|
|
for (i = 0; i < tt_query_packeth->tt_data; i++) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_tt_entry_v14(next_tvb, pinfo, batadv_tt_query_tree);
|
|
offset += TT_ENTRY_V14_SIZE;
|
|
}
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_tt_entry_tree;
|
|
proto_item *ti;
|
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_ENTRY_V14_SIZE,
|
|
"TT Entry: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 1));
|
|
batadv_tt_entry_tree = proto_item_add_subtree(ti, ett_batadv_tt_entry);
|
|
|
|
proto_tree_add_bitmask(batadv_tt_entry_tree, tvb, 0, hf_batadv_tt_entry_flags,
|
|
ett_batadv_tt_entry_flags, tt_entry_flags, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(batadv_tt_entry_tree, hf_batadv_tt_entry, tvb, 1, 6, ENC_NA);
|
|
}
|
|
|
|
static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ROAM_ADV");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 14:
|
|
dissect_batadv_roam_adv_v14(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct roam_adv_packet_v14 *roam_adv_packeth;
|
|
proto_tree *batadv_roam_adv_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
|
|
roam_adv_packeth = wmem_new(pinfo->pool, struct roam_adv_packet_v14);
|
|
|
|
roam_adv_packeth->version = tvb_get_guint8(tvb, 1);
|
|
roam_adv_packeth->ttl = tvb_get_guint8(tvb, 2);
|
|
set_address_tvb(&roam_adv_packeth->dst, AT_ETHER, 6, tvb, 4);
|
|
copy_address_shallow(&pinfo->dl_dst, &roam_adv_packeth->dst);
|
|
copy_address_shallow(&pinfo->dst, &roam_adv_packeth->dst);
|
|
set_address_tvb(&roam_adv_packeth->src, AT_ETHER, 6, tvb, 10);
|
|
copy_address_shallow(&pinfo->dl_src, &roam_adv_packeth->src);
|
|
copy_address_shallow(&pinfo->src, &roam_adv_packeth->src);
|
|
set_address_tvb(&roam_adv_packeth->client, AT_ETHER, 6, tvb, 16);
|
|
|
|
/* Set info column */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Client %s", address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client));
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ROAM_ADV_PACKET_V14_SIZE,
|
|
"B.A.T.M.A.N. Roam: %s",
|
|
address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client));
|
|
batadv_roam_adv_tree = proto_item_add_subtree(ti, ett_batadv_roam_adv);
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format(batadv_roam_adv_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ROAM_ADV_V14,
|
|
"Packet Type: %s (%u)", "BATADV_ROAM_ADV", BATADV_ROAM_ADV_V14);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_ttl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_dst, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_src, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_client, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, roam_adv_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_CODED");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 15:
|
|
dissect_batadv_coded_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct coded_packet_v15 *coded_packeth;
|
|
proto_tree *batadv_coded_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
|
|
coded_packeth = wmem_new(pinfo->pool, struct coded_packet_v15);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0,
|
|
CODED_PACKET_V15_SIZE,
|
|
"B.A.T.M.A.N. Coded");
|
|
batadv_coded_tree = proto_item_add_subtree(ti, ett_batadv_coded);
|
|
|
|
/* items */
|
|
coded_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_coded_tree,
|
|
hf_batadv_packet_type,
|
|
tvb, offset, 1,
|
|
coded_packeth->packet_type,
|
|
"%s (%u)", "BATADV_CODED",
|
|
coded_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
coded_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
coded_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_ttl, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
coded_packeth->first_ttvn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_ttvn, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
set_address_tvb(&coded_packeth->first_source, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_src, &coded_packeth->first_source);
|
|
copy_address_shallow(&pinfo->src, &coded_packeth->first_source);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_source,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&coded_packeth->first_orig_dest, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_dst, &coded_packeth->first_orig_dest);
|
|
copy_address_shallow(&pinfo->dst, &coded_packeth->first_orig_dest);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_orig_dest,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
coded_packeth->first_crc = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_crc, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
coded_packeth->second_ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttl, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
coded_packeth->second_ttvn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttvn, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
set_address_tvb(&coded_packeth->second_dest, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_dest,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&coded_packeth->second_source, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_source,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&coded_packeth->second_orig_dest, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_orig_dest,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
coded_packeth->second_crc = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_crc, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
coded_packeth->coded_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_coded_len, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, coded_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ELP");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 15:
|
|
dissect_batadv_elp_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d",
|
|
version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct elp_packet_v15 *elp_packeth;
|
|
proto_tree *batadv_elp_tree;
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *next_tvb;
|
|
gint length_remaining;
|
|
int offset = 0;
|
|
|
|
elp_packeth = wmem_new(pinfo->pool, struct elp_packet_v15);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0,
|
|
ELP_PACKET_V15_SIZE,
|
|
"B.A.T.M.A.N. ELP");
|
|
batadv_elp_tree = proto_item_add_subtree(ti, ett_batadv_elp);
|
|
|
|
/* items */
|
|
elp_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_elp_tree,
|
|
hf_batadv_packet_type,
|
|
tvb, offset, 1,
|
|
elp_packeth->packet_type,
|
|
"%s (%u)", "BATADV_ELP",
|
|
elp_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
elp_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
set_address_tvb(&elp_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_orig, tvb,
|
|
offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
elp_packeth->seqno = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_seqno, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
elp_packeth->interval = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_interval, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, elp_packeth);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
int offset = 0;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_OGM2");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 15:
|
|
while (offset != -1 &&
|
|
tvb_reported_length_remaining(tvb, offset) >= OGM2_PACKET_V15_SIZE) {
|
|
offset = dissect_batadv_ogm2_v15(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int dissect_batadv_ogm2_v15(tvbuff_t *tvb, int offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *batadv_ogm2_tree;
|
|
proto_item *ti, *throughput_item;
|
|
guint8 type, version;
|
|
struct ogm2_packet_v15 *ogm2_packeth;
|
|
tvbuff_t *next_tvb;
|
|
static int * const flags[] = {
|
|
NULL
|
|
};
|
|
|
|
type = tvb_get_guint8(tvb, offset+0);
|
|
version = tvb_get_guint8(tvb, offset+1);
|
|
|
|
/* don't interpret padding as B.A.T.M.A.N. advanced packet */
|
|
if (version == 0 || type != BATADV_OGM2_V15)
|
|
return -1;
|
|
|
|
ogm2_packeth = wmem_new(pinfo->pool, struct ogm2_packet_v15);
|
|
|
|
/* Set tree info */
|
|
ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, 16);
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, offset,
|
|
OGM2_PACKET_V15_SIZE + ogm2_packeth->tvlv_len,
|
|
"B.A.T.M.A.N. OGM2, Orig: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8));
|
|
batadv_ogm2_tree = proto_item_add_subtree(ti, ett_batadv_ogm2);
|
|
|
|
/* items */
|
|
ogm2_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_ogm2_tree,
|
|
hf_batadv_packet_type,
|
|
tvb, offset, 1, BATADV_OGM2_V15,
|
|
"%s (%u)", "BATADV_OGM2",
|
|
BATADV_OGM2_V15);
|
|
offset += 1;
|
|
|
|
ogm2_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_version, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
ogm2_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_ttl, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
ogm2_packeth->flags = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_bitmask(batadv_ogm2_tree, tvb, offset,
|
|
hf_batadv_ogm2_flags, ett_batadv_ogm2_flags,
|
|
flags, ENC_NA);
|
|
offset += 1;
|
|
|
|
ogm2_packeth->seqno = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_seqno, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", ogm2_packeth->seqno);
|
|
offset += 4;
|
|
|
|
set_address_tvb(&ogm2_packeth->orig, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset);
|
|
set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset);
|
|
proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_orig, tvb,
|
|
offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_tvlv_len, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
ogm2_packeth->throughput = tvb_get_ntohl(tvb, offset);
|
|
throughput_item = proto_tree_add_item(batadv_ogm2_tree,
|
|
hf_batadv_ogm2_throughput, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_set_text(throughput_item, "Throughput: %u.%u Mbit/s",
|
|
ogm2_packeth->throughput / 10,
|
|
ogm2_packeth->throughput % 10);
|
|
offset += 4;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, ogm2_packeth);
|
|
|
|
if (ogm2_packeth->tvlv_len > 0) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset,
|
|
ogm2_packeth->tvlv_len);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_ogm2_tree);
|
|
offset += ogm2_packeth->tvlv_len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 version;
|
|
|
|
/* set protocol name */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_TVLV");
|
|
|
|
version = tvb_get_guint8(tvb, 1);
|
|
switch (version) {
|
|
case 15:
|
|
dissect_batadv_unicast_tvlv_v15(tvb, pinfo, tree);
|
|
break;
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d",
|
|
version);
|
|
call_data_dissector(tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
struct unicast_tvlv_packet_v15 *unicast_tvlv_packeth;
|
|
|
|
tvbuff_t *next_tvb;
|
|
int offset = 0;
|
|
proto_tree *batadv_unicast_tvlv_tree;
|
|
proto_item *ti;
|
|
|
|
unicast_tvlv_packeth = wmem_new(pinfo->pool, struct unicast_tvlv_packet_v15);
|
|
|
|
/* Set info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Set tree info */
|
|
unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, 16);
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, 0,
|
|
UNICAST_TVLV_PACKET_V15_SIZE + unicast_tvlv_packeth->tvlv_len,
|
|
"B.A.T.M.A.N. Unicast TVLV, Src: %s Dst: %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10),
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4));
|
|
batadv_unicast_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_unicast_tvlv);
|
|
|
|
/* items */
|
|
unicast_tvlv_packeth->packet_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(batadv_unicast_tvlv_tree,
|
|
hf_batadv_packet_type, tvb, offset, 1,
|
|
unicast_tvlv_packeth->packet_type,
|
|
"%s (%u)", "BATADV_UNICAST_TVLV",
|
|
unicast_tvlv_packeth->packet_type);
|
|
offset += 1;
|
|
|
|
unicast_tvlv_packeth->version = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_tvlv_tree,
|
|
hf_batadv_unicast_tvlv_version, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
unicast_tvlv_packeth->ttl = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_tvlv_tree,
|
|
hf_batadv_unicast_tvlv_ttl, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Skip 1 byte of padding. */
|
|
offset += 1;
|
|
|
|
set_address_tvb(&unicast_tvlv_packeth->dest, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_dst, &unicast_tvlv_packeth->dest);
|
|
copy_address_shallow(&pinfo->dst, &unicast_tvlv_packeth->dest);
|
|
proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_dst,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
set_address_tvb(&unicast_tvlv_packeth->src, AT_ETHER, 6, tvb, offset);
|
|
copy_address_shallow(&pinfo->dl_src, &unicast_tvlv_packeth->src);
|
|
copy_address_shallow(&pinfo->src, &unicast_tvlv_packeth->src);
|
|
proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_src,
|
|
tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(batadv_unicast_tvlv_tree,
|
|
hf_batadv_unicast_tvlv_len, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Skip 2 byte of padding. */
|
|
offset += 2;
|
|
|
|
tap_queue_packet(batadv_tap, pinfo, unicast_tvlv_packeth);
|
|
|
|
if (unicast_tvlv_packeth->tvlv_len > 0) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset,
|
|
unicast_tvlv_packeth->tvlv_len);
|
|
|
|
if (have_tap_listener(batadv_follow_tap)) {
|
|
tap_queue_packet(batadv_follow_tap, pinfo, next_tvb);
|
|
}
|
|
|
|
dissect_batadv_tvlv_v15(next_tvb, pinfo,
|
|
batadv_unicast_tvlv_tree);
|
|
/*offset += unicast_tvlv_packeth->tvlv_len;*/
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 type, version;
|
|
guint16 length;
|
|
int offset = 0;
|
|
tvbuff_t *next_tvb;
|
|
proto_tree *batadv_tvlv_tree;
|
|
proto_item *ti;
|
|
|
|
while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= 4) {
|
|
|
|
type = tvb_get_guint8(tvb, offset + 0);
|
|
version = tvb_get_guint8(tvb, offset + 1);
|
|
length = tvb_get_ntohs(tvb, offset + 2) + 4;
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree,
|
|
proto_batadv_plugin,
|
|
next_tvb, 0, length,
|
|
"TVLV, %s",
|
|
val_to_str(type,
|
|
tvlv_v15_typenames,
|
|
"Unknown (0x%02x)"));
|
|
batadv_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_tvlv);
|
|
|
|
dissect_batadv_tvlv_v15_header(next_tvb, pinfo,
|
|
batadv_tvlv_tree, type);
|
|
|
|
switch (type) {
|
|
case BATADV_TVLV_V15_GW:
|
|
dissect_batadv_tvlv_v15_gw(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
case BATADV_TVLV_V15_DAT:
|
|
dissect_batadv_tvlv_v15_dat(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
case BATADV_TVLV_V15_NC:
|
|
dissect_batadv_tvlv_v15_nc(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
case BATADV_TVLV_V15_TT:
|
|
dissect_batadv_tvlv_v15_tt(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
case BATADV_TVLV_V15_ROAM:
|
|
dissect_batadv_tvlv_v15_roam(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
case BATADV_TVLV_V15_MCAST:
|
|
dissect_batadv_tvlv_v15_mcast(next_tvb, pinfo,
|
|
batadv_tvlv_tree, 4,
|
|
version);
|
|
break;
|
|
default:
|
|
call_data_dissector(next_tvb, pinfo,
|
|
batadv_tvlv_tree);
|
|
break;
|
|
}
|
|
offset += length;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb,
|
|
packet_info *pinfo _U_,
|
|
proto_tree *tree, guint8 type)
|
|
{
|
|
int offset = 0;
|
|
|
|
/* items */
|
|
proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_type, tvb, offset,
|
|
1, type, "%s",
|
|
val_to_str(type, tvlv_v15_typenames,
|
|
"Unknown (0x%02x)"));
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_version, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_len, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
if (version != 0x01) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
if (version != 0x01) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
static int * const flags[] = {
|
|
&hf_batadv_tvlv_mcast_flags_unsnoopables,
|
|
&hf_batadv_tvlv_mcast_flags_ipv4,
|
|
&hf_batadv_tvlv_mcast_flags_ipv6,
|
|
&hf_batadv_tvlv_mcast_flags_no_rtr4,
|
|
&hf_batadv_tvlv_mcast_flags_no_rtr6,
|
|
NULL
|
|
};
|
|
|
|
if (version != 0x01 && version != 0x02) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_mcast_flags,
|
|
ett_batadv_tvlv_mcast_flags, flags, ENC_NA);
|
|
|
|
/* 3 byte of padding. */
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
guint32 down, up;
|
|
|
|
if (version != 0x01) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
|
|
down = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_download,
|
|
tvb, offset, 4, down, "%u.%uMbit",
|
|
down / 10, down % 10);
|
|
offset += 4;
|
|
|
|
up = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_upload, tvb,
|
|
offset, 4, up, "%u.%uMbit",
|
|
up / 10, up % 10);
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
static int * const flags[] = {
|
|
&hf_batadv_tvlv_vid_vlan,
|
|
&hf_batadv_tvlv_vid_tagged,
|
|
NULL
|
|
};
|
|
|
|
if (version != 0x01) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_roam_addr, tvb, offset, 6,
|
|
ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_roam_vid,
|
|
ett_batadv_tvlv_vid, flags, ENC_NA);
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 version)
|
|
{
|
|
guint16 num_vlan;
|
|
int i;
|
|
gint length_remaining;
|
|
static int * const flags[] = {
|
|
&hf_batadv_tvlv_tt_flags_type,
|
|
&hf_batadv_tvlv_tt_flags_full_table,
|
|
NULL
|
|
};
|
|
guint8 tt_flags;
|
|
int changes_offset;
|
|
|
|
tt_flags = tvb_get_guint8(tvb, offset);
|
|
|
|
if (version != 0x01) {
|
|
proto_tree_add_expert_format(
|
|
tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb,
|
|
offset, 0, "Unknown version (0x%02x)", version);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_tt_flags,
|
|
ett_batadv_tvlv_tt_flags, flags, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_tt_ttvn, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
num_vlan = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_tt_num_vlan, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
changes_offset = offset + num_vlan * TLVLV_TT_VLAN_V15_SIZE;
|
|
|
|
for (i = 0; i < num_vlan; i++)
|
|
offset = dissect_batadv_tvlv_v15_tt_vlan(tvb, pinfo, tree,
|
|
offset, tt_flags,
|
|
changes_offset);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
while (length_remaining > 0) {
|
|
offset = dissect_batadv_tvlv_v15_tt_change(tvb, pinfo, tree,
|
|
offset);
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
}
|
|
|
|
static void dissect_batadv_tvlv_v15_tt_vlan_checksum(tvbuff_t *tvb,
|
|
proto_item *ti,
|
|
packet_info *pinfo,
|
|
proto_tree *tree,
|
|
guint16 vlan_id,
|
|
int crc_offset,
|
|
guint8 tt_flags,
|
|
int offset)
|
|
{
|
|
const guint8 *buf;
|
|
guint32 crc32;
|
|
guint32 crc = 0;
|
|
gint length_remaining;
|
|
guint16 vid;
|
|
unsigned int num_entries = 0;
|
|
guint8 full_response = (BATADV_TVLVL_TT_RESPONSE | BATADV_TVLVL_TT_FULL_TABLE);
|
|
|
|
/* checksum checks are not possible with non full responses */
|
|
if (tt_flags != full_response) {
|
|
proto_tree_add_item(tree, hf_batadv_tvlv_tt_vlan_crc, tvb,
|
|
crc_offset, 4, ENC_BIG_ENDIAN);
|
|
return;
|
|
}
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
while (length_remaining >= TLVLV_TT_CHANGE_V15_SIZE) {
|
|
|
|
vid = tvb_get_ntohs(tvb, offset + 10);
|
|
if (vid != vlan_id)
|
|
goto skip;
|
|
|
|
buf = tvb_get_ptr(tvb, offset, TLVLV_TT_CHANGE_V15_SIZE);
|
|
if (!buf)
|
|
goto skip;
|
|
|
|
num_entries++;
|
|
|
|
/* checksum over vid, flags, address */
|
|
crc32 = 0;
|
|
crc32 = crc32c_calculate_no_swap(&buf[10], 2, crc32);
|
|
crc32 = crc32c_calculate_no_swap(buf, 1, crc32);
|
|
crc32 = crc32c_calculate_no_swap(&buf[4], 6, crc32);
|
|
crc ^= crc32;
|
|
|
|
skip:
|
|
offset += TLVLV_TT_CHANGE_V15_SIZE;
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
proto_tree_add_checksum(tree, tvb, crc_offset,
|
|
hf_batadv_tvlv_tt_vlan_crc,
|
|
hf_batadv_tvlv_tt_vlan_crc_status,
|
|
&ei_batadv_tvlv_tt_vlan_crc, pinfo, crc,
|
|
ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY);
|
|
|
|
if (num_entries == 0)
|
|
expert_add_info(pinfo, ti, &ei_batadv_tvlv_tt_vlan_empty);
|
|
}
|
|
|
|
static int dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb,
|
|
packet_info *pinfo,
|
|
proto_tree *tree, int offset,
|
|
guint8 tt_flags,
|
|
int changes_offset)
|
|
{
|
|
proto_tree *vlan_tree = NULL;
|
|
guint16 vid;
|
|
proto_item *ti = NULL;
|
|
static int * const flags[] = {
|
|
&hf_batadv_tvlv_vid_vlan,
|
|
&hf_batadv_tvlv_vid_tagged,
|
|
NULL
|
|
};
|
|
|
|
vid = tvb_get_ntohs(tvb, offset + 4);
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, offset, 8,
|
|
"VLAN, %04x", vid);
|
|
vlan_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_vlan);
|
|
|
|
dissect_batadv_tvlv_v15_tt_vlan_checksum(tvb, ti, pinfo, vlan_tree, vid,
|
|
offset, tt_flags,
|
|
changes_offset);
|
|
offset += 4;
|
|
|
|
proto_tree_add_bitmask(vlan_tree, tvb, offset,
|
|
hf_batadv_tvlv_tt_vlan_vid,
|
|
ett_batadv_tvlv_vid, flags, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Skip 2 byte of padding. */
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb,
|
|
packet_info *pinfo _U_,
|
|
proto_tree *tree, int offset)
|
|
{
|
|
proto_tree *change_tree;
|
|
proto_item *ti;
|
|
static int * const flags[] = {
|
|
&hf_batadv_tvlv_tt_change_flags_del,
|
|
&hf_batadv_tvlv_tt_change_flags_roam,
|
|
&hf_batadv_tvlv_tt_change_flags_wifi,
|
|
&hf_batadv_tvlv_tt_change_flags_isolate,
|
|
NULL
|
|
};
|
|
static int * const flags_vlan[] = {
|
|
&hf_batadv_tvlv_vid_vlan,
|
|
&hf_batadv_tvlv_vid_tagged,
|
|
NULL
|
|
};
|
|
|
|
/* Set tree info */
|
|
ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin,
|
|
tvb, offset, 12,
|
|
"Entry, %s",
|
|
tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 4));
|
|
change_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_change);
|
|
|
|
proto_tree_add_bitmask(change_tree, tvb, offset,
|
|
hf_batadv_tvlv_tt_change_flags,
|
|
ett_batadv_batman_flags, flags, ENC_NA);
|
|
offset += 1;
|
|
|
|
/* Skip 3 byte of padding. */
|
|
offset += 3;
|
|
|
|
proto_tree_add_item(change_tree, hf_batadv_tvlv_tt_change_addr, tvb,
|
|
offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_bitmask(change_tree, tvb, offset,
|
|
hf_batadv_tvlv_tt_change_vid,
|
|
ett_batadv_tvlv_vid, flags_vlan, ENC_NA);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
void proto_register_batadv(void)
|
|
{
|
|
module_t *batadv_module;
|
|
expert_module_t* expert_batadv;
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_batadv_packet_type,
|
|
{ "Packet Type", "batadv.batman.packet_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_version,
|
|
{ "Version", "batadv.batman.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_flags,
|
|
{ "Flags", "batadv.batman.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_ttl,
|
|
{ "Time to Live", "batadv.batman.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_gwflags,
|
|
{ "Gateway Flags", "batadv.batman.gwflags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_gwflags_dl_speed,
|
|
{ "Download Speed", "batadv.batman.gwflags.dl_speed",
|
|
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbit, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_gwflags_ul_speed,
|
|
{ "Upload Speed", "batadv.batman.gwflags.ul_speed",
|
|
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbit, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_tq,
|
|
{ "Transmission Quality", "batadv.batman.tq",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_seqno,
|
|
{ "Sequence number", "batadv.batman.seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_seqno32,
|
|
{ "Sequence number", "batadv.batman.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_orig,
|
|
{ "Originator", "batadv.batman.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_prev_sender,
|
|
{ "Received from", "batadv.batman.prev_sender",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_num_tt,
|
|
{ "Number of TTs", "batadv.batman.num_tt",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_tt_num_changes,
|
|
{ "Number of TT Changes", "batadv.batman.tt_num_changes",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_ttvn,
|
|
{ "TT Version", "batadv.batman.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_tt_crc,
|
|
{ "CRC of TT", "batadv.batman.tt_crc",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_flags_directlink,
|
|
{ "DirectLink", "batadv.batman.flags.directlink",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_flags_vis_server,
|
|
{ "VIS_SERVER", "batadv.batman.flags.vis_server",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_flags_primaries_first_hop,
|
|
{ "PRIMARIES_FIRST_HOP", "batadv.batman.flags.primaries_first_hop",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_flags_not_best_next_hop,
|
|
{ "NOT_BEST_NEXT_HOP", "batadv.batman.flags.not_best_next_hop",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_version,
|
|
{ "Version", "batadv.iv_ogm.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_ttl,
|
|
{ "Time to Live", "batadv.iv_ogm.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_flags,
|
|
{ "Flags", "batadv.iv_ogm.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_seqno,
|
|
{ "Sequence number", "batadv.iv_ogm.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_orig,
|
|
{ "Originator", "batadv.iv_ogm.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_prev_sender,
|
|
{ "Received from", "batadv.iv_ogm.prev_sender",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_tq,
|
|
{ "Transmission Quality", "batadv.iv_ogm.tq",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_tvlv_len,
|
|
{ "Length of TVLV", "batadv.iv_ogm.tvlv_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_flags_not_best_next_hop,
|
|
{ "NOT_BEST_NEXT_HOP", "batadv.iv_ogm.flags.not_best_next_hop",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_flags_primaries_first_hop,
|
|
{ "PRIMARIES_FIRST_HOP", "batadv.iv_ogm.flags.primaries_first_hop",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_iv_ogm_flags_directlink,
|
|
{ "DirectLink", "batadv.iv_ogm.flags.directlink",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_version,
|
|
{ "Version", "batadv.ogm2.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_ttl,
|
|
{ "Time to Live", "batadv.ogm2.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_flags,
|
|
{ "Flags", "batadv.ogm2.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_seqno,
|
|
{ "Sequence number", "batadv.ogm2.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_orig,
|
|
{ "Originator", "batadv.ogm2.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_tvlv_len,
|
|
{ "Length of TVLV", "batadv.ogm2.tvlv_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_ogm2_throughput,
|
|
{ "Throughput", "batadv.ogm2.throughput",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_batman_tt,
|
|
{ "Translation Table", "batadv.batman.tt",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_elp_version,
|
|
{ "Version", "batadv.elp.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_elp_orig,
|
|
{ "Originator", "batadv.elp.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_elp_seqno,
|
|
{ "Sequence number", "batadv.elp.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_elp_interval,
|
|
{ "ELP Interval", "batadv.elp.interval",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_bcast_version,
|
|
{ "Version", "batadv.bcast.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_bcast_orig,
|
|
{ "Originator", "batadv.bcast.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_bcast_seqno,
|
|
{ "Sequence number", "batadv.bcast.seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_bcast_seqno32,
|
|
{ "Sequence number", "batadv.bcast.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_bcast_ttl,
|
|
{ "Time to Live", "batadv.bcast.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_icmp_version,
|
|
{ "Version", "batadv.icmp.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_icmp_msg_type,
|
|
{ "Message Type", "batadv.icmp.msg_type",
|
|
FT_UINT8, BASE_DEC, VALS(icmp_packettypenames), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_icmp_dst,
|
|
{ "Destination", "batadv.icmp.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_icmp_orig,
|
|
{ "Originator", "batadv.icmp.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_icmp_ttl,
|
|
{ "Time to Live", "batadv.icmp.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_uid,
|
|
{ "UID", "batadv.icmp.uid",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_seqno,
|
|
{ "Sequence number", "batadv.icmp.seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_rr_pointer,
|
|
{ "Pointer", "batadv.icmp.rr_pointer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_rr_ether,
|
|
{ "RR MAC", "batadv.icmp.rr_ether",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_tp_subtype,
|
|
{ "Subtype", "batadv.icmp.tp.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(icmp_tp_packettypenames), 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_tp_session,
|
|
{ "Session", "batadv.icmp.tp.session",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_tp_seqno,
|
|
{ "Sequence number", "batadv.icmp.tp.seqno",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_icmp_tp_timestamp,
|
|
{ "Timestamp", "batadv.icmp.tp.timestamp",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_unicast_version,
|
|
{ "Version", "batadv.unicast.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_dst,
|
|
{ "Destination", "batadv.unicast.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_ttl,
|
|
{ "Time to Live", "batadv.unicast.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_ttvn,
|
|
{ "TT Version", "batadv.unicast.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_version,
|
|
{ "Version", "batadv.unicast_4addr.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_dst,
|
|
{ "Destination", "batadv.unicast_4addr.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_ttl,
|
|
{ "Time to Live", "batadv.unicast_4addr.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_ttvn,
|
|
{ "TT Version", "batadv.unicast_4addr.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_src,
|
|
{ "Source", "batadv.unicast_4addr.src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_4addr_subtype,
|
|
{ "Subtype", "batadv.unicast_4addr.subtype",
|
|
FT_UINT8, BASE_DEC, VALS (unicast_4addr_typenames), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_version,
|
|
{ "Version", "batadv.unicast_frag.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_dst,
|
|
{ "Destination", "batadv.unicast_frag.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_ttl,
|
|
{ "Time to Live", "batadv.unicast_frag.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_ttvn,
|
|
{ "TT Version", "batadv.unicast_frag.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_flags,
|
|
{ "Flags", "batadv.unicast_frag.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_flags_head,
|
|
{ "Head", "batadv.unicast_frag.flags.head",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_flags_largetail,
|
|
{ "Largetail", "batadv.unicast_frag.flags.largetail",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_orig,
|
|
{ "Originator", "batadv.unicast_frag.orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_seqno,
|
|
{ "Sequence number", "batadv.unicast_frag.seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_no,
|
|
{ "Fragment number", "batadv.unicast_frag.no",
|
|
FT_UINT8, BASE_DEC, NULL, 0xF0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_priority,
|
|
{ "Priority", "batadv.unicast_frag.priority",
|
|
FT_UINT8, BASE_DEC, NULL, 0xE,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_frag_total_size,
|
|
{ "Complete Size", "batadv.unicast_frag.total_size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_tvlv_version,
|
|
{ "Version", "batadv.unicast_tvlv.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_tvlv_ttl,
|
|
{ "Time to Live", "batadv.unicast_tvlv.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_tvlv_dst,
|
|
{ "Destination", "batadv.unicast_tvlv.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_tvlv_src,
|
|
{ "Source", "batadv.unicast_tvlv.src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_unicast_tvlv_len,
|
|
{ "Length of TVLV", "batadv.unicast_tvlv.len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_version,
|
|
{ "Version", "batadv.vis.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_type,
|
|
{ "Type", "batadv.vis.type",
|
|
FT_UINT8, BASE_DEC, VALS(vis_packettypenames), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_seqno,
|
|
{ "Sequence number", "batadv.vis.seq",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_vis_seqno32,
|
|
{ "Sequence number", "batadv.vis.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_vis_entries,
|
|
{ "Entries", "batadv.vis.entries",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of entries", HFILL}
|
|
},
|
|
{ &hf_batadv_vis_ttl,
|
|
{ "Time to Live", "batadv.vis.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_vis_vis_orig,
|
|
{ "Originator", "batadv.vis.vis_orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_target_orig,
|
|
{ "Target Originator", "batadv.vis.target_orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_sender_orig,
|
|
{ "Forwarding Originator", "batadv.vis.sender_orig",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_entry_src,
|
|
{ "Source", "batadv.vis.src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_entry_dst,
|
|
{ "Destination", "batadv.vis.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_vis_entry_quality,
|
|
{ "Quality", "batadv.vis.quality",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_version,
|
|
{ "Version", "batadv.tt_query.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_ttl,
|
|
{ "Time to Live", "batadv.tt_query.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_tt_query_flags,
|
|
{ "Flags", "batadv.tt_query.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_flags_type,
|
|
{ "Query Type", "batadv.tt_query.flags.type",
|
|
FT_UINT8, BASE_HEX, VALS (tt_query_type_v14), TT_TYPE_MASK,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_flags_full_table,
|
|
{ "Full Table", "batadv.tt_query.flags.full_table",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_FULL_TABLE,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_dst,
|
|
{ "Destination", "batadv.tt_query.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_src,
|
|
{ "Source", "batadv.tt_query.src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_ttvn,
|
|
{ "TT Version", "batadv.tt_query.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_tt_crc,
|
|
{ "CRC of TT", "batadv.tt_query.tt_crc",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_query_entries,
|
|
{ "Entries", "batadv.tt_query.entries",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Number of entries", HFILL }
|
|
},
|
|
{ &hf_batadv_roam_adv_version,
|
|
{ "Version", "batadv.roam_adv.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_roam_adv_ttl,
|
|
{ "Time to Live", "batadv.roam_adv.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_roam_adv_src,
|
|
{ "Source", "batadv.roam_adv.src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_roam_adv_dst,
|
|
{ "Destination", "batadv.roam_adv.dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_roam_adv_client,
|
|
{ "Client", "batadv.roam_adv.client",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_version,
|
|
{ "Version", "batadv.coded.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_ttl,
|
|
{ "Time to Live", "batadv.coded.ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_coded_first_ttvn,
|
|
{ "TT Version (First)", "batadv.coded.first_ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_coded_first_source,
|
|
{ "Source (First)", "batadv.coded.first_src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_first_orig_dest,
|
|
{ "Original Destination (First)", "batadv.coded.first_orig_dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_first_crc,
|
|
{ "CRC (First)", "batadv.coded.first_crc",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_second_ttl,
|
|
{ "Time to Live (Second)", "batadv.coded.second_ttl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_coded_second_ttvn,
|
|
{ "TT Version (Second)", "batadv.coded.second_ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_batadv_coded_second_dest,
|
|
{ "Destination (Second)", "batadv.coded.second_dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_second_source,
|
|
{ "Source (Second)", "batadv.coded.second_src",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_second_orig_dest,
|
|
{ "Original Destination (Second)", "batadv.coded.second_orig_dst",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_second_crc,
|
|
{ "CRC (Second)", "batadv.coded.second_crc",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_coded_coded_len,
|
|
{ "Length", "batadv.coded.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragments,
|
|
{"Message fragments", "batadv.unicast_frag.fragments",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_entry,
|
|
{ "Entry", "batadv.tt_entry.entry",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_entry_flags,
|
|
{ "Flags", "batadv.tt_entry.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_entry_flags_change_del,
|
|
{ "Delete", "batadv.tt_entry.flags.change_del",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CHANGE_DEL,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tt_entry_flags_client_roam,
|
|
{ "Client Roam", "batadv.tt_entry.flags.client_roam",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CLIENT_ROAM,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment,
|
|
{"Message fragment", "batadv.unicast_frag.fragment",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_overlap,
|
|
{"Message fragment overlap", "batadv.unicast_frag.fragment.overlap",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_overlap_conflicts,
|
|
{"Message fragment overlapping with conflicting data",
|
|
"batadv.unicast_frag.fragment.overlap.conflicts",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_multiple_tails,
|
|
{"Message has multiple tail fragments",
|
|
"batadv.unicast_frag.fragment.multiple_tails",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_too_long_fragment,
|
|
{"Message fragment too long", "batadv.unicast_frag.fragment.too_long_fragment",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_error,
|
|
{"Message defragmentation error", "batadv.unicast_frag.fragment.error",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_fragment_count,
|
|
{"Message fragment count", "batadv.unicast_frag.fragment.count",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_reassembled_in,
|
|
{"Reassembled in", "batadv.msg.reassembled.in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_msg_reassembled_length,
|
|
{"Reassembled length", "batadv.msg.reassembled.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_type,
|
|
{ "Type", "batadv.tvlv.length",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_version,
|
|
{ "Version", "batadv.tvlv.version",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_len,
|
|
{ "Length", "batadv.tvlv.len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags,
|
|
{ "Flags", "batadv.tvlv.mcast.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags_unsnoopables,
|
|
{ "Unsnoopables", "batadv.tvlv.mcast.flags.unsnoopables",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags_ipv4,
|
|
{ "IPv4", "batadv.tvlv.mcast.flags.ipv4",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags_ipv6,
|
|
{ "IPv6", "batadv.tvlv.mcast.flags.ipv6",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags_no_rtr4,
|
|
{ "No IPv4 multicast router", "batadv.tvlv.mcast.flags.no_rtr4",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_mcast_flags_no_rtr6,
|
|
{ "No IPv6 multicast router", "batadv.tvlv.mcast.flags.no_rtr6",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_gw_download,
|
|
{ "Download Speed", "batadv.tvlv.gw.dl_speed",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_gw_upload,
|
|
{ "Upload Speed", "batadv.tvlv.gw.ul_speed",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_roam_addr,
|
|
{ "Address", "batadv.batman.addr",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_roam_vid,
|
|
{ "VID", "batadv.tvlv.roam.vid",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_vid_vlan,
|
|
{ "VLAN ID", "batadv.tvlv.vid_vlan",
|
|
FT_UINT16, BASE_DEC, NULL, 0x7fff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_vid_tagged,
|
|
{ "VLAN Tagged", "batadv.tvlv.vid_tagged",
|
|
FT_UINT16, BASE_DEC, NULL, 0x8000,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_flags,
|
|
{ "Flags", "batadv.tvlv.tt.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_flags_type,
|
|
{ "Query Type", "batadv.tvlv.tt.flags.type",
|
|
FT_UINT8, BASE_HEX, VALS(tvlv_tt_typenames),
|
|
BATADV_TVLVL_TT_TYPE_MASK,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_flags_full_table,
|
|
{ "Full Table", "batadv.tvlv.tt.flags.full_table",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
|
|
BATADV_TVLVL_TT_FULL_TABLE,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_ttvn,
|
|
{ "TT Version", "batadv.tvlv.tt.ttvn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_num_vlan,
|
|
{ "VLAN Entries", "batadv.tvlv.tt.num_vlan",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_vlan_crc,
|
|
{ "CRC", "batadv.tvlv.tt.vlan.crc",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_vlan_crc_status,
|
|
{ "Checksum Status", "batadv.tvlv.tt.vlan.crc.status",
|
|
FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_vlan_vid,
|
|
{ "VID", "batadv.tvlv.tt.vlan.vid",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_flags,
|
|
{ "Flags", "batadv.tvlv.tt.change.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_flags_del,
|
|
{ "Delete", "batadv.tvlv.tt.change.flags.del",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
|
|
BATADV_TVLVL_TT_CHANGE_DEL,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_flags_roam,
|
|
{ "Client Roam", "batadv.tvlv.tt.change.flags.roam",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
|
|
BATADV_TVLVL_TT_CHANGE_ROAM,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_flags_wifi,
|
|
{ "Wifi Client", "batadv.tvlv.tt.change.flags.wifi",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
|
|
BATADV_TVLVL_TT_CHANGE_WIFI,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_flags_isolate,
|
|
{ "Isolate", "batadv.tvlv.tt.change.flags.isolate",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
|
|
BATADV_TVLVL_TT_CHANGE_ISOLATE,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_addr,
|
|
{ "Address", "batadv.tvlv.tt.change.addr",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_batadv_tvlv_tt_change_vid,
|
|
{ "VID", "batadv.tvlv.tt.change.vid",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_batadv_batman,
|
|
&ett_batadv_batman_flags,
|
|
&ett_batadv_batman_tt,
|
|
&ett_batadv_batman_gwflags,
|
|
&ett_batadv_iv_ogm,
|
|
&ett_batadv_iv_ogm_flags,
|
|
&ett_batadv_elp,
|
|
&ett_batadv_ogm2,
|
|
&ett_batadv_ogm2_flags,
|
|
&ett_batadv_bcast,
|
|
&ett_batadv_icmp,
|
|
&ett_batadv_icmp_rr,
|
|
&ett_batadv_unicast,
|
|
&ett_batadv_unicast_4addr,
|
|
&ett_batadv_unicast_frag,
|
|
&ett_batadv_unicast_tvlv,
|
|
&ett_batadv_vis,
|
|
&ett_batadv_vis_entry,
|
|
&ett_batadv_tt_query,
|
|
&ett_batadv_tt_query_flags,
|
|
&ett_batadv_tt_entry,
|
|
&ett_batadv_tt_entry_flags,
|
|
&ett_batadv_roam_adv,
|
|
&ett_batadv_coded,
|
|
&ett_batadv_tvlv,
|
|
&ett_batadv_tvlv_vid,
|
|
&ett_batadv_tvlv_mcast_flags,
|
|
&ett_batadv_tvlv_tt_flags,
|
|
&ett_batadv_tvlv_tt_vlan,
|
|
&ett_batadv_tvlv_tt_change,
|
|
&ett_msg_fragment,
|
|
&ett_msg_fragments
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_batadv_tvlv_unknown_version, { "batadv.error.tvlv_version_unknown", PI_UNDECODED, PI_ERROR, "BATADV Error: unknown TVLV version", EXPFILL }},
|
|
{ &ei_batadv_tvlv_tt_vlan_crc, { "batadv.tvlv_tt_crc_bad", PI_UNDECODED, PI_ERROR, "BATADV Error: bad TT VLAN crc", EXPFILL }},
|
|
{ &ei_batadv_tvlv_tt_vlan_empty, { "batadv.tvlv_tt_vlan_empty", PI_SEQUENCE, PI_WARN, "BATADV Warn: empty VLAN", EXPFILL }},
|
|
};
|
|
|
|
proto_batadv_plugin = proto_register_protocol(
|
|
"B.A.T.M.A.N. Advanced Protocol",
|
|
"BATADV", /* short name */
|
|
"batadv" /* abbrev */
|
|
);
|
|
|
|
register_dissector("batadv",dissect_batadv_plugin,proto_batadv_plugin);
|
|
|
|
batadv_module = prefs_register_protocol(proto_batadv_plugin,
|
|
proto_reg_handoff_batadv);
|
|
|
|
prefs_register_uint_preference(batadv_module, "batmanadv.ethertype",
|
|
"Ethertype",
|
|
"Ethertype used to indicate B.A.T.M.A.N. packet.",
|
|
16, &batadv_ethertype);
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
proto_register_field_array(proto_batadv_plugin, hf, array_length(hf));
|
|
|
|
expert_batadv = expert_register_protocol(proto_batadv_plugin);
|
|
expert_register_field_array(expert_batadv, ei, array_length(ei));
|
|
|
|
reassembly_table_register(&msg_reassembly_table,
|
|
&addresses_reassembly_table_functions);
|
|
}
|
|
|
|
void proto_reg_handoff_batadv(void)
|
|
{
|
|
static gboolean inited = FALSE;
|
|
static unsigned int old_batadv_ethertype;
|
|
|
|
if (!inited) {
|
|
batman_handle = create_dissector_handle(dissect_batadv_plugin, proto_batadv_plugin);
|
|
|
|
eth_handle = find_dissector_add_dependency("eth_withoutfcs", proto_batadv_plugin);
|
|
|
|
batadv_tap = register_tap("batman");
|
|
batadv_follow_tap = register_tap("batman_follow");
|
|
|
|
inited = TRUE;
|
|
} else {
|
|
dissector_delete_uint("ethertype", old_batadv_ethertype, batman_handle);
|
|
}
|
|
|
|
old_batadv_ethertype = batadv_ethertype;
|
|
dissector_add_uint("ethertype", batadv_ethertype, batman_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|