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ZigBee: Add conversation table and conversation filter 

Change-Id: Idb650334e56e2cd268ff29138ed71386edfc8851
Reviewed-on: https://code.wireshark.org/review/34156
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
This commit is contained in:
Kenneth Soerensen 2019-07-20 14:46:02 +02:00 committed by Peter Wu
parent cae2b50b36
commit 5d638e83eb
1 changed files with 76 additions and 0 deletions
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76
epan/dissectors/packet-zbee-nwk.c
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@ -20,6 +20,9 @@
#include <epan/addr_resolv.h>
#include <epan/expert.h>
#include <epan/proto_data.h>
#include <epan/conversation_table.h>
#include <epan/dissector_filters.h>
#include <epan/tap.h>
#include <wsutil/bits_ctz.h> /* for ws_ctz */
#include "packet-ieee802154.h"
#include "packet-zbee.h"
@ -205,6 +208,8 @@ static expert_field ei_zbee_nwk_missing_payload = EI_INIT;
static dissector_handle_t aps_handle;
static dissector_handle_t zbee_gp_handle;
static int zbee_nwk_tap = -1;
/********************/
/* Field Names */
/********************/
@ -758,6 +763,8 @@ dissect_zbee_nwk_full(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void
call_data_dissector(payload_tvb, pinfo, tree);
}
tap_queue_packet(zbee_nwk_tap, pinfo, NULL);
return tvb_captured_length(tvb);
} /* dissect_zbee_nwk */
@ -1774,6 +1781,70 @@ dissect_ieee802154_zigbee_rejoin(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tr
} /* dissect_ieee802154_zigbee_rejoin */
static const char* zbee_nwk_conv_get_filter_type(conv_item_t* conv, conv_filter_type_e filter)
{
if ((filter == CONV_FT_SRC_ADDRESS) && (conv->src_address.type == AT_STRINGZ))
return "zbee_nwk.src";
if ((filter == CONV_FT_DST_ADDRESS) && (conv->dst_address.type == AT_STRINGZ))
return "zbee_nwk.dst";
if ((filter == CONV_FT_ANY_ADDRESS) && (conv->src_address.type == AT_STRINGZ))
return "zbee_nwk.addr";
return CONV_FILTER_INVALID;
}
static ct_dissector_info_t zbee_nwk_ct_dissector_info = {&zbee_nwk_conv_get_filter_type };
static tap_packet_status zbee_nwk_conversation_packet(void *pct, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
{
conv_hash_t *hash = (conv_hash_t*)pct;
add_conversation_table_data(hash, &pinfo->net_src, &pinfo->net_dst, 0, 0, 1,
pinfo->fd->pkt_len, &pinfo->rel_ts, &pinfo->abs_ts,
&zbee_nwk_ct_dissector_info, ENDPOINT_NONE);
return TAP_PACKET_REDRAW;
}
static const char* zbee_nwk_host_get_filter_type(hostlist_talker_t* host, conv_filter_type_e filter)
{
if ((filter == CONV_FT_ANY_ADDRESS) && (host->myaddress.type == AT_STRINGZ))
return "zbee_nwk.addr";
return CONV_FILTER_INVALID;
}
static hostlist_dissector_info_t zbee_nwk_host_dissector_info = {&zbee_nwk_host_get_filter_type };
static tap_packet_status zbee_nwk_hostlist_packet(void *pit, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
{
conv_hash_t *hash = (conv_hash_t*)pit;
/* Take two "add" passes per packet, adding for each direction, ensures that all
packets are counted properly (even if address is sending to itself)
XXX - this could probably be done more efficiently inside hostlist_table */
add_hostlist_table_data(hash, &pinfo->net_src, 0, TRUE, 1,
pinfo->fd->pkt_len, &zbee_nwk_host_dissector_info, ENDPOINT_NONE);
add_hostlist_table_data(hash, &pinfo->net_dst, 0, FALSE, 1,
pinfo->fd->pkt_len, &zbee_nwk_host_dissector_info, ENDPOINT_NONE);
return TAP_PACKET_REDRAW;
}
static gboolean zbee_nwk_filter_valid(packet_info *pinfo)
{
return proto_is_frame_protocol(pinfo->layers, "zbee_nwk");
}
static gchar* zbee_nwk_build_filter(packet_info *pinfo)
{
return g_strdup_printf("zbee_nwk.addr eq %s and zbee_nwk.addr eq %s",
address_to_str(pinfo->pool, &pinfo->net_src),
address_to_str(pinfo->pool, &pinfo->net_dst));
}
/**
*ZigBee protocol registration routine.
*
@ -2263,6 +2334,11 @@ void proto_register_zbee_nwk(void)
/* Register the Security dissector. */
zbee_security_register(NULL, proto_zbee_nwk);
zbee_nwk_tap = register_tap(ZBEE_PROTOABBREV_NWK);
register_conversation_table(proto_zbee_nwk, TRUE, zbee_nwk_conversation_packet, zbee_nwk_hostlist_packet);
register_conversation_filter(ZBEE_PROTOABBREV_NWK, "ZigBee Network Layer", zbee_nwk_filter_valid, zbee_nwk_build_filter);
} /* proto_register_zbee_nwk */
/**