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ZigBee ZCL SE Events: Dissect commands within ZCL SE Events Cluster 

Change-Id: I6baf02fc0a194a776fb02fc265902b0eafd710e9
Reviewed-on: https://code.wireshark.org/review/23734
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
This commit is contained in:
Martin Boye Petersen 2017-09-25 22:22:35 +02:00 committed by Alexis La Goutte
parent 0b76a4957d
commit b89726db6d
1 changed files with 304 additions and 10 deletions
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314
epan/dissectors/packet-zbee-zcl-se.c
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@ -4739,6 +4739,13 @@ void proto_reg_handoff_zbee_zcl_events(void);
/* Attribute Dissector Helpers */
static void dissect_zcl_events_attr_data (proto_tree *tree, tvbuff_t *tvb, guint *offset, guint16 attr_id, guint data_type);
/* Command Dissector Helpers */
static void dissect_zcl_events_get_event_log (tvbuff_t *tvb, proto_tree *tree, guint *offset);
static void dissect_zcl_events_clear_event_log_request (tvbuff_t *tvb, proto_tree *tree, guint *offset);
static void dissect_zcl_events_publish_event (tvbuff_t *tvb, proto_tree *tree, guint *offset);
static void dissect_zcl_events_publish_event_log (tvbuff_t *tvb, proto_tree *tree, guint *offset);
static void dissect_zcl_events_clear_event_log_response (tvbuff_t *tvb, proto_tree *tree, guint *offset);
/*************************/
/* Global Variables */
/*************************/
@ -4752,9 +4759,35 @@ static int hf_zbee_zcl_events_srv_tx_cmd_id = -1;
static int hf_zbee_zcl_events_srv_rx_cmd_id = -1;
static int hf_zbee_zcl_events_attr_id = -1;
static int hf_zbee_zcl_events_attr_reporting_status = -1;
static int hf_zbee_zcl_events_get_event_log_event_control_log_id = -1;
static int hf_zbee_zcl_events_get_event_log_event_id = -1;
static int hf_zbee_zcl_events_get_event_log_start_time = -1;
static int hf_zbee_zcl_events_get_event_log_end_time = -1;
static int hf_zbee_zcl_events_get_event_log_number_of_events = -1;
static int hf_zbee_zcl_events_get_event_log_event_offset = -1;
static int hf_zbee_zcl_events_clear_event_log_request_log_id = -1;
static int hf_zbee_zcl_events_publish_event_log_id = -1;
static int hf_zbee_zcl_events_publish_event_event_id = -1;
static int hf_zbee_zcl_events_publish_event_event_time = -1;
static int hf_zbee_zcl_events_publish_event_event_control = -1;
static int hf_zbee_zcl_events_publish_event_event_data = -1;
static int hf_zbee_zcl_events_publish_event_log_total_number_of_matching_events = -1;
static int hf_zbee_zcl_events_publish_event_log_command_index = -1;
static int hf_zbee_zcl_events_publish_event_log_total_commands = -1;
static int hf_zbee_zcl_events_publish_event_log_number_of_events_log_payload_control = -1;
static int hf_zbee_zcl_events_publish_event_log_log_id = -1;
static int hf_zbee_zcl_events_publish_event_log_event_id = -1;
static int hf_zbee_zcl_events_publish_event_log_event_time = -1;
static int hf_zbee_zcl_events_publish_event_log_event_data = -1;
static int hf_zbee_zcl_events_clear_event_log_response_cleared_event_logs = -1;
/* Initialize the subtree pointers */
#define ZBEE_ZCL_SE_EVENTS_NUM_INDIVIDUAL_ETT 1
#define ZBEE_ZCL_SE_EVENTS_NUM_PUBLISH_EVENT_LOG_ETT 15
#define ZBEE_ZCL_SE_EVENTS_NUM_TOTAL_ETT (ZBEE_ZCL_SE_EVENTS_NUM_INDIVIDUAL_ETT + ZBEE_ZCL_SE_EVENTS_NUM_PUBLISH_EVENT_LOG_ETT)
static gint ett_zbee_zcl_events = -1;
static gint ett_zbee_zcl_events_publish_event_log_entry[ZBEE_ZCL_SE_EVENTS_NUM_PUBLISH_EVENT_LOG_ETT];
/*************************/
/* Function Bodies */
@ -4795,6 +4828,7 @@ dissect_zcl_events_attr_data(proto_tree *tree, tvbuff_t *tvb, guint *offset, gui
static int
dissect_zbee_zcl_events(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
proto_tree *payload_tree;
zbee_zcl_packet *zcl;
guint offset = 0;
guint8 cmd_id;
@ -4819,17 +4853,17 @@ dissect_zbee_zcl_events(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, voi
/* Check is this command has a payload, than add the payload tree */
rem_len = tvb_reported_length_remaining(tvb, ++offset);
if (rem_len > 0) {
proto_tree_add_subtree(tree, tvb, offset, rem_len, ett_zbee_zcl_events, NULL, "Payload");
payload_tree = proto_tree_add_subtree(tree, tvb, offset, rem_len, ett_zbee_zcl_events, NULL, "Payload");
/* Call the appropriate command dissector */
switch (cmd_id) {
case ZBEE_ZCL_CMD_ID_EVENTS_GET_EVENT_LOG:
/* Add function to dissect payload */
dissect_zcl_events_get_event_log(tvb, payload_tree, &offset);
break;
case ZBEE_ZCL_CMD_ID_EVENTS_CLEAR_EVENT_LOG_REQUEST:
/* Add function to dissect payload */
dissect_zcl_events_clear_event_log_request(tvb, payload_tree, &offset);
break;
default:
@ -4849,21 +4883,21 @@ dissect_zbee_zcl_events(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, voi
/* Check is this command has a payload, than add the payload tree */
rem_len = tvb_reported_length_remaining(tvb, ++offset);
if (rem_len > 0) {
proto_tree_add_subtree(tree, tvb, offset, rem_len, ett_zbee_zcl_events, NULL, "Payload");
payload_tree = proto_tree_add_subtree(tree, tvb, offset, rem_len, ett_zbee_zcl_events, NULL, "Payload");
/* Call the appropriate command dissector */
switch (cmd_id) {
case ZBEE_ZCL_CMD_ID_EVENTS_PUBLISH_EVENT:
/* Add function to dissect payload */
dissect_zcl_events_publish_event(tvb, payload_tree, &offset);
break;
case ZBEE_ZCL_CMD_ID_EVENTS_PUBLISH_EVENT_LOG:
/* Add function to dissect payload */
dissect_zcl_events_publish_event_log(tvb, payload_tree, &offset);
break;
case ZBEE_ZCL_CMD_ID_EVENTS_CLEAR_EVENT_LOG_RESPONSE:
/* Add function to dissect payload */
dissect_zcl_events_clear_event_log_response(tvb, payload_tree, &offset);
break;
default:
@ -4875,6 +4909,175 @@ dissect_zbee_zcl_events(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, voi
return tvb_captured_length(tvb);
} /*dissect_zbee_zcl_events*/
/**
*This function manages the Get Event Log payload
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to data tree Wireshark uses to display packet.
*@param offset pointer to offset from caller
*/
static void
dissect_zcl_events_get_event_log(tvbuff_t *tvb, proto_tree *tree, guint *offset)
{
nstime_t start_time;
nstime_t end_time;
/* Event Control / Log ID */
proto_tree_add_item(tree, hf_zbee_zcl_events_get_event_log_event_control_log_id, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Event ID */
proto_tree_add_item(tree, hf_zbee_zcl_events_get_event_log_event_id, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
*offset += 2;
/* Start Time */
start_time.secs = (time_t)tvb_get_letohl(tvb, *offset) + ZBEE_ZCL_NSTIME_UTC_OFFSET;
start_time.nsecs = 0;
proto_tree_add_time(tree, hf_zbee_zcl_events_get_event_log_start_time, tvb, *offset, 4, &start_time);
*offset += 4;
/* End Time */
end_time.secs = (time_t)tvb_get_letohl(tvb, *offset) + ZBEE_ZCL_NSTIME_UTC_OFFSET;
end_time.nsecs = 0;
proto_tree_add_time(tree, hf_zbee_zcl_events_get_event_log_end_time, tvb, *offset, 4, &end_time);
*offset += 4;
/* Number of Events */
proto_tree_add_item(tree, hf_zbee_zcl_events_get_event_log_number_of_events, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Event Offset */
proto_tree_add_item(tree, hf_zbee_zcl_events_get_event_log_event_offset, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
*offset += 2;
} /*dissect_zcl_events_get_event_log*/
/**
*This function manages the Clear Event Log Request payload
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to data tree Wireshark uses to display packet.
*@param offset pointer to offset from caller
*/
static void
dissect_zcl_events_clear_event_log_request(tvbuff_t *tvb, proto_tree *tree, guint *offset)
{
/* Log ID */
proto_tree_add_item(tree, hf_zbee_zcl_events_clear_event_log_request_log_id, tvb, *offset, 1, ENC_NA);
*offset += 1;
} /*dissect_zcl_events_clear_event_log_request*/
/**
*This function manages the Publish Event payload
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to data tree Wireshark uses to display packet.
*@param offset pointer to offset from caller
*/
static void
dissect_zcl_events_publish_event(tvbuff_t *tvb, proto_tree *tree, guint *offset)
{
nstime_t event_time;
guint8 event_data_len;
/* Log ID */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_log_id, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Event ID */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_event_id, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
*offset += 2;
/* Event Time */
event_time.secs = (time_t)tvb_get_letohl(tvb, *offset) + ZBEE_ZCL_NSTIME_UTC_OFFSET;
event_time.nsecs = 0;
proto_tree_add_time(tree, hf_zbee_zcl_events_publish_event_event_time, tvb, *offset, 4, &event_time);
*offset += 4;
/* Event Control */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_event_control, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Event Data */
event_data_len = tvb_get_guint8(tvb, *offset);
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_event_data, tvb, *offset, event_data_len + 1, ENC_NA);
*offset += event_data_len + 1;
} /*dissect_zcl_events_publish_event*/
/**
*This function manages the Publish Event Log payload
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to data tree Wireshark uses to display packet.
*@param offset pointer to offset from caller
*/
static void
dissect_zcl_events_publish_event_log(tvbuff_t *tvb, proto_tree *tree, guint *offset)
{
proto_tree* event_log_tree;
nstime_t event_time;
guint8 event_data_len;
guint8 number_of_events;
/* Total Number of Matching Events */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_log_total_number_of_matching_events, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
*offset += 2;
/* Command Index */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_log_command_index, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Total Commands */
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_log_total_commands, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Number of Events / Log Payload Control */
number_of_events = tvb_get_guint8(tvb, *offset) >> 4;
proto_tree_add_item(tree, hf_zbee_zcl_events_publish_event_log_number_of_events_log_payload_control, tvb, *offset, 1, ENC_NA);
*offset += 1;
for (guint8 i = 0; i < number_of_events && i < ZBEE_ZCL_SE_EVENTS_NUM_PUBLISH_EVENT_LOG_ETT; i++) {
/* Add subtree */
event_log_tree = proto_tree_add_subtree(tree, tvb, *offset, 0, ett_zbee_zcl_events_publish_event_log_entry[i], NULL, "Event Log");
/* Log ID */
proto_tree_add_item(event_log_tree, hf_zbee_zcl_events_publish_event_log_log_id, tvb, *offset, 1, ENC_NA);
*offset += 1;
/* Event ID */
proto_tree_add_item(event_log_tree, hf_zbee_zcl_events_publish_event_log_event_id, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
*offset += 2;
/* Event Time */
event_time.secs = (time_t)tvb_get_letohl(tvb, *offset) + ZBEE_ZCL_NSTIME_UTC_OFFSET;
event_time.nsecs = 0;
proto_tree_add_time(event_log_tree, hf_zbee_zcl_events_publish_event_log_event_time, tvb, *offset, 4, &event_time);
*offset += 4;
/* Event Data */
event_data_len = tvb_get_guint8(tvb, *offset);
proto_tree_add_item(event_log_tree, hf_zbee_zcl_events_publish_event_log_event_data, tvb, *offset, event_data_len + 1, ENC_NA);
*offset += event_data_len + 1;
/* Set length of subtree */
proto_item_set_end(proto_tree_get_parent(event_log_tree), tvb, *offset);
}
} /*dissect_zcl_events_publish_event_log*/
/**
*This function manages the Clear Event Log Response payload
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to data tree Wireshark uses to display packet.
*@param offset pointer to offset from caller
*/
static void
dissect_zcl_events_clear_event_log_response(tvbuff_t *tvb, proto_tree *tree, guint *offset)
{
/* Cleared Event Logs */
proto_tree_add_item(tree, hf_zbee_zcl_events_clear_event_log_response_cleared_event_logs, tvb, *offset, 1, ENC_NA);
*offset += 1;
} /*dissect_zcl_events_clear_event_log_response*/
/**
*This function registers the ZCL Events dissector
*
@ -4900,12 +5103,103 @@ proto_register_zbee_zcl_events(void)
{ "Command", "zbee_zcl_se.events.cmd.srv_rx.id", FT_UINT8, BASE_HEX, VALS(zbee_zcl_events_srv_rx_cmd_names),
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_event_control_log_id,
{ "Event Control / Log ID", "zbee_zcl_se.events.get_event_log.event_control_log_id", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_event_id,
{ "Event ID", "zbee_zcl_se.events.get_event_log.event_id", FT_UINT16, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_start_time,
{ "Start Time", "zbee_zcl_se.events.get_event_log.start_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_end_time,
{ "End Time", "zbee_zcl_se.events.get_event_log.end_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_number_of_events,
{ "Number of Events", "zbee_zcl_se.events.get_event_log.number_of_events", FT_UINT8, BASE_DEC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_get_event_log_event_offset,
{ "Event Offset", "zbee_zcl_se.events.get_event_log.number_of_events", FT_UINT16, BASE_DEC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_clear_event_log_request_log_id,
{ "Log ID", "zbee_zcl_se.events.clear_event_log_request.log_id", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_id,
{ "Log ID", "zbee_zcl_se.events.publish_event.log_id", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_event_id,
{ "Event ID", "zbee_zcl_se.events.publish_event.event_id", FT_UINT16, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_event_time,
{ "Event Time", "zbee_zcl_se.events.publish_event.event_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_event_control,
{ "Event Control", "zbee_zcl_se.events.publish_event.event_control", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_event_data,
{ "Event Data", "zbee_zcl_se.events.publish_event.event_data", FT_BYTES, BASE_NONE, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_total_number_of_matching_events,
{ "Total Number of Matching Events", "zbee_zcl_se.events.publish_event_log.event_id", FT_UINT16, BASE_DEC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_command_index,
{ "Command Index", "zbee_zcl_se.events.publish_event_log.command_index", FT_UINT8, BASE_DEC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_total_commands,
{ "Total Commands", "zbee_zcl_se.events.publish_event_log.total_commands", FT_UINT8, BASE_DEC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_number_of_events_log_payload_control,
{ "Number of Events / Log Payload Control", "zbee_zcl_se.events.publish_event_log.number_of_events_log_payload_control", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_log_id,
{ "Log ID", "zbee_zcl_se.events.publish_event_log.log_id", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_event_id,
{ "Event ID", "zbee_zcl_se.events.publish_event_log.event_id", FT_UINT16, BASE_HEX, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_event_time,
{ "Event Time", "zbee_zcl_se.events.publish_event_log.event_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_publish_event_log_event_data,
{ "Event Data", "zbee_zcl_se.events.publish_event_log.event_data", FT_BYTES, BASE_NONE, NULL,
0x00, NULL, HFILL } },
{ &hf_zbee_zcl_events_clear_event_log_response_cleared_event_logs,
{ "Cleared Event Logs", "zbee_zcl_se.events.clear_event_log_response.cleared_event_logs", FT_UINT8, BASE_HEX, NULL,
0x00, NULL, HFILL } },
};
/* ZCL Events subtrees */
gint *ett[] = {
&ett_zbee_zcl_events,
};
gint *ett[ZBEE_ZCL_SE_EVENTS_NUM_TOTAL_ETT];
ett[0] = &ett_zbee_zcl_events;
guint j = ZBEE_ZCL_SE_EVENTS_NUM_INDIVIDUAL_ETT;
/* Initialize Publish Event Log subtrees */
for (guint i = 0; i < ZBEE_ZCL_SE_EVENTS_NUM_PUBLISH_EVENT_LOG_ETT; i++, j++) {
ett_zbee_zcl_events_publish_event_log_entry[i] = -1;
ett[j] = &ett_zbee_zcl_events_publish_event_log_entry[i];
}
/* Register the ZigBee ZCL Events cluster protocol name and description */
proto_zbee_zcl_events = proto_register_protocol("ZigBee ZCL Events", "ZCL Events", ZBEE_PROTOABBREV_ZCL_EVENTS);