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TECMP: Show unparsed payload of control messages

This commit is contained in:
Dr. Lars Völker 2022-07-14 14:56:42 +02:00 committed by A Wireshark GitLab Utility
parent 6d0619cdd0
commit b1edbd337f
1 changed files with 10 additions and 1 deletions
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11
epan/dissectors/packet-tecmp.c
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@ -228,6 +228,7 @@ static int hf_tecmp_payload_status_cfg_vendor_technica_segment_data = -1;
/* TECMP Control Message */
static int hf_tecmp_payload_ctrl_msg_device_id = -1;
static int hf_tecmp_payload_ctrl_msg_id = -1;
static int hf_tecmp_payload_ctrl_msg_unparsed_bytes = -1;
/* protocol tree items */
static gint ett_tecmp = -1;
@ -1228,8 +1229,13 @@ dissect_tecmp_control_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, g
add_device_id_text(ti, (guint16)device_id);
ctrl_msg_id = tvb_get_guint16(tvb, offset + 2, ENC_BIG_ENDIAN);
proto_tree_add_uint_format(tecmp_tree, hf_tecmp_payload_ctrl_msg_id, tvb, offset + 2, 2, ctrl_msg_id, "Type: %s", resolve_control_message_id(ctrl_msg_id));
offset += 4;
/* offset includes 16 byte header, while length is only for payload */
gint bytes_left = length + (guint)16 - (offset - offset_orig);
if (bytes_left > 0) {
proto_tree_add_item(tecmp_tree, hf_tecmp_payload_ctrl_msg_unparsed_bytes, tvb, offset, bytes_left, ENC_NA);
}
}
return offset - offset_orig;
@ -1797,6 +1803,9 @@ proto_register_tecmp_payload(void) {
{ &hf_tecmp_payload_ctrl_msg_id,
{ "Control Message ID", "tecmp.payload.ctrl_msg.id",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
{ &hf_tecmp_payload_ctrl_msg_unparsed_bytes,
{ "Unparsed Bytes", "tecmp.payload.ctrl_msg.unparsed",
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
/* Status Device / Status Bus / Status Configuration */
{ &hf_tecmp_payload_status_vendor_id,