forked from osmocom/wireshark
![Anders Broman](/assets/img/avatar_default.png)
DVB-CI / CI+ dissect sac message body. https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6723 svn path=/trunk/; revision=40435
4913 lines
192 KiB
C
4913 lines
192 KiB
C
/* packet-dvbci.c
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* Routines for DVB-CI (Common Interface) dissection
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* Copyright 2011-2012, Martin Kaiser <martin@kaiser.cx>
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*
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* $Id$
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* This dissector supports DVB-CI as defined in EN50221 and
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* CI+ (www.ci-plus.com).
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* For more details, see http://wiki.wireshark.org/DVB-CI.
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*
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* The pcap input format for this dissector is documented at
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* http://www.kaiser.cx/pcap-dvbci.html.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/addr_resolv.h>
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#include <epan/packet.h>
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#include <epan/reassemble.h>
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#include <epan/prefs.h>
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#include <epan/expert.h>
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#include <epan/asn1.h>
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#include <epan/dissectors/packet-x509af.h>
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#include "packet-ber.h"
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#ifdef HAVE_LIBGCRYPT
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#include <gcrypt.h>
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#endif
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#define AES_BLOCK_LEN 16
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#define AES_KEY_LEN 16
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/* event byte in the pseudo-header */
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#define DATA_CAM_TO_HOST 0xFF
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#define DATA_HOST_TO_CAM 0xFE
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#define CIS_READ 0xFD
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#define COR_WRITE 0xFC
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#define HW_EVT 0xFB
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#define IS_DATA_TRANSFER(e) (e==DATA_CAM_TO_HOST || e==DATA_HOST_TO_CAM)
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/* for [as]pdu_info_t when the message is allowed in either direction */
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#define DIRECTION_ANY 0x0
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/* source/destination address field */
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#define ADDR_HOST "Host"
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#define ADDR_CAM "CAM"
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/* hardware event */
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#define CAM_IN 0x01
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#define CAM_OUT 0x02
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#define POWER_ON 0x03
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#define POWER_OFF 0x04
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#define TS_ROUTE 0x05
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#define TS_BYPASS 0x06
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#define RESET_H 0x07
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#define RESET_L 0x08
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#define READY_H 0x09
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#define READY_L 0x0A
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/* Card Information Structure */
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#define CISTPL_NO_LINK 0x14
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#define CISTPL_VERS_1 0x15
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#define CISTPL_CONFIG 0x1A
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#define CISTPL_CFTABLE_ENTRY 0x1B
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#define CISTPL_DEVICE_OC 0x1C
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#define CISTPL_DEVICE_OA 0x1D
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#define CISTPL_MANFID 0x20
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#define CISTPL_END 0xFF
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/* link layer */
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#define ML_MORE 0x80
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#define ML_LAST 0x00
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/* sequence id for reassembly of fragmented lpdus
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this can be an arbitrary constant value since lpdus must arrive in order */
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#define SEQ_ID_LINK_LAYER 4
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/* the same goes for the transport layer */
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#define SEQ_ID_TRANSPORT_LAYER 7
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/* transport layer */
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#define NO_TAG 0x00
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#define T_SB 0x80
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#define T_RCV 0x81
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#define T_CREATE_T_C 0x82
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#define T_C_T_C_REPLY 0x83
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#define T_DELETE_T_C 0x84
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#define T_D_T_C_REPLY 0x85
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#define T_REQUEST_T_C 0x86
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#define T_NEW_T_C 0x87
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#define T_T_C_ERROR 0x88
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#define T_DATA_LAST 0xA0
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#define T_DATA_MORE 0xA1
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#define SB_VAL_MSG_AVAILABLE 0x80
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#define SB_VAL_NO_MSG_AVAILABLE 0x00
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/* session layer */
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#define T_SESSION_NUMBER 0x90
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#define T_OPEN_SESSION_REQUEST 0x91
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#define T_OPEN_SESSION_RESPONSE 0x92
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#define T_CREATE_SESSION 0x93
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#define T_CREATE_SESSION_RESPONSE 0x94
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#define T_CLOSE_SESSION_REQUEST 0x95
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#define T_CLOSE_SESSION_RESPONSE 0x96
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/* status for open/create session */
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#define SESS_OPENED 0x00
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#define SESS_NOT_OPENED_RES_NON_EXIST 0xF0
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#define SESS_NOT_OPENED_RES_UNAVAIL 0xF1
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#define SESS_NOT_OPENED_RES_VER_LOWER 0xF2
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#define SESS_NOT_OPENED_RES_BUSY 0xF3
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/* status for close session */
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#define SESS_CLOSED 0x00
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#define SESS_NB_NOT_ALLOC 0xF0
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/* resource id */
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#define RES_ID_TYPE_MASK 0xC0000000
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#define RES_CLASS_MASK 0x3FFF0000
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#define RES_TYPE_MASK 0x0000FFC0
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#define RES_VER_MASK 0x0000003F
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/* resource class */
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#define RES_CLASS_RM 0x01
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#define RES_CLASS_AP 0x02
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#define RES_CLASS_CA 0x03
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#define RES_CLASS_HC 0x20
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#define RES_CLASS_DT 0x24
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#define RES_CLASS_MMI 0x40
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#define RES_CLASS_AMI 0x41
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#define RES_CLASS_LSC 0x60
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#define RES_CLASS_CC 0x8C
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#define RES_CLASS_HLC 0x8D
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#define RES_CLASS_CUP 0x8E
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#define RES_CLASS_OPP 0x8F
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#define RES_CLASS_SAS 0x96
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#define RES_ID_LEN 4 /* bytes */
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#define RES_CLASS(_res_id) (_res_id & RES_CLASS_MASK) >> 16
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#define RES_VER(_res_id) (_res_id & RES_VER_MASK)
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/* appinfo resource */
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#define APP_TYPE_CA 0x1
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#define APP_TYPE_EPG 0x2
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#define DATA_RATE_72 0x0
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#define DATA_RATE_96 0x1
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/* ca resource */
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#define LIST_MGMT_MORE 0x0
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#define LIST_MGMT_FIRST 0x1
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#define LIST_MGMT_LAST 0x2
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#define LIST_MGMT_ONLY 0x3
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#define LIST_MGMT_ADD 0x4
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#define LIST_MGMT_UPDATE 0x5
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#define CMD_ID_OK_DESCR 0x1
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#define CMD_ID_OK_MMI 0x2
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#define CMD_ID_QUERY 0x3
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#define CMD_ID_NOT_SELECTED 0x4
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#define CA_DESC_TAG 0x9
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#define CA_ENAB_DESC_OK 0x01
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#define CA_ENAB_DESC_OK_PURCHASE 0x02
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#define CA_ENAB_DESC_OK_TECH 0x03
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#define CA_ENAB_DESC_NG_ENTITLEMENT 0x71
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#define CA_ENAB_DESC_NG_TECH 0x73
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/* host control resource */
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#define HC_STAT_OK 0x0
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#define HC_STAT_ERR_DLVRY 0x1
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#define HC_STAT_ERR_LOCK 0x2
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#define HC_STAT_ERR_BUSY 0x3
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#define HC_STAT_ERR_PARAM 0x4
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#define HC_STAT_ERR_NOT_FOUND 0x5
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#define HC_STAT_ERR_UNKNOWN 0x6
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/* mmi resource */
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#define CLOSE_MMI_CMD_ID_IMMEDIATE 0x0
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#define CLOSE_MMI_CMD_ID_DELAY 0x1
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/* only commands and parameters for high-level mmi are supported */
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#define DISP_CMD_SET_MMI_MODE 1
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#define DISP_CMD_GET_DISP_TBL 2
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#define DISP_CMD_GET_INP_TBL 3
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#define MMI_MODE_HIGH 1
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#define DISP_REP_ID_MMI_MODE_ACK 0x01
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#define DISP_REP_ID_DISP_CHAR_TBL 0x02
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#define DISP_REP_ID_INP_CHAR_TBL 0x03
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#define DISP_REP_ID_UNKNOWN_CMD 0xF0
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#define DISP_REP_ID_UNKNOWN_MMI_MODE 0xF1
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#define DISP_REP_ID_UNKNOWN_CHAR_TBL 0xF2
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#define VISIBLE_ANS 0
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#define BLIND_ANS 1
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#define ANSW_ID_CANCEL 0x00
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#define ANSW_ID_ANSWER 0x01
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/* used for answer_text_length, choice_nb and item_nb */
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#define NB_UNKNOWN 0xFF
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/* character tables, DVB-SI spec annex A.2 */
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#define CHAR_TBL_8859_5 0x01
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#define CHAR_TBL_8859_6 0x02
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#define CHAR_TBL_8859_7 0x03
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#define CHAR_TBL_8859_8 0x04
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#define CHAR_TBL_8859_9 0x05
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#define CHAR_TBL_8859_10 0x06
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#define CHAR_TBL_8859_11 0x07
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#define CHAR_TBL_8859_13 0x09
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#define CHAR_TBL_8859_14 0x0A
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#define CHAR_TBL_8859_15 0x0B
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#define CHAR_TBL_MULTI_BYTE 0x10
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#define CHAR_TBL_ENC_TYPE_ID 0x1F
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/* control codes for texts, DVB-SI spec annex A.1 */
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#define TEXT_CTRL_EMPH_ON 0x86
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#define TEXT_CTRL_EMPH_OFF 0x87
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#define TEXT_CTRL_CRLF 0x8A
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/* cam upgrade resource */
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#define CUP_DELAYED 0x0
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#define CUP_IMMEDIATE 0x1
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#define CUP_ANS_NO 0x0
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#define CUP_ANS_YES 0x1
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#define CUP_ANS_ASK 0x2
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#define CUP_RESET_PCMCIA 0x0
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#define CUP_RESET_CMDIF 0x1
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#define CUP_RESET_NONE 0x2
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/* content control resource */
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#define CC_ID_HOST_ID 0x05
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#define CC_ID_CICAM_ID 0x06
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#define CC_ID_HOST_BRAND_CERT 0x07
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#define CC_ID_CICAM_BRAND_CERT 0x08
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#define CC_ID_KP 0x0C
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#define CC_ID_DHPH 0x0D
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#define CC_ID_DHPM 0x0E
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#define CC_ID_HOST_DEV_CERT 0x0F
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#define CC_ID_CICAM_DEV_CERT 0x10
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#define CC_ID_SIG_A 0x11
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#define CC_ID_SIG_B 0x12
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#define CC_ID_AUTH_NONCE 0x13
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#define CC_ID_NS_HOST 0x14
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#define CC_ID_NS_MODULE 0x15
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#define CC_ID_AKH 0x16
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#define CC_ID_URI 0x19
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#define CC_ID_PROG_NUM 0x1A
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#define CC_ID_URI_CNF 0x1B
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#define CC_ID_KEY_REGISTER 0x1C
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#define CC_ID_URI_VERSIONS 0x1D
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#define CC_ID_STATUS_FIELD 0x1E
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#define CC_ID_CICAM_LICENSE 0x21
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#define CC_ID_LICENSE_STATUS 0x22
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#define CC_ID_LICENSE_RCV_STATUS 0x23
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#define CC_ID_OPERATING_MODE 0x26
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#define CC_ID_PINCODE_DATA 0x27
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#define CC_ID_REC_START_STATUS 0x28
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#define CC_ID_MODE_CHG_STATUS 0x29
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#define CC_ID_REC_STOP_STATUS 0x2A
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#define CC_KEY_EVEN 0x0
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#define CC_KEY_ODD 0x1
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#define CC_STATUS_OK 0x0
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#define CC_STATUS_NO_CC_SUPPORT 0x1
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#define CC_STATUS_HOST_BUSY 0x2
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#define CC_STATUS_AUTH_FAILED 0x3
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#define CC_STATUS_CICAM_BUSY 0x4
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#define CC_STATUS_REC_MODE_ERR 0x5
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#define CC_SAC_AUTH_AES128_XCBC_MAC 0x0
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#define CC_SAC_ENC_AES128_CBC 0x0
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#define CC_CAP_NONE 0x0
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#define CC_CAP_CAS_PIN 0x1
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#define CC_CAP_CAS_FTA_PIN 0x2
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#define CC_CAP_CAS_PIN_CACHED 0x3
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#define CC_CAP_CAS_FTA_PIN_CACHED 0x4
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/* length of DVB-SI utc time field in bytes */
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#define UTC_TIME_LEN 5
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#define CC_PIN_BAD 0x0
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#define CC_PIN_CAM_BUSY 0x1
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#define CC_PIN_OK 0x2
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#define CC_PIN_UNCONFIRMED 0x3
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#define CC_PIN_VB_NOT_REQ 0x4
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#define CC_PIN_CSA 0x5
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#define CC_OP_MODE_WATCH_BUFFER 0x0
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#define CC_OP_MODE_TIMESHIFT 0x1
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#define CC_OP_MODE_UNATTENDED 0x2
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/* application mmi resource */
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#define ACK_CODE_OK 0x1
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#define ACK_CODE_WRONG_API 0x2
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#define ACK_CODE_API_BUSY 0x3
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#define REQ_TYPE_FILE 0x0
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#define REQ_TYPE_DATA 0x1
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#define REQ_TYPE_FILE_HASH 0x2
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#define REQ_TYPE_REQ 0x3
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/* lsc resource */
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#define COMMS_CMD_ID_CONNECT_ON_CHANNEL 1
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#define COMMS_CMD_ID_DISCONNECT_ON_CHANNEL 2
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#define COMMS_CMD_ID_SET_PARAMS 3
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#define COMMS_CMD_ID_ENQUIRE_STATUS 4
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#define COMMS_CMD_ID_GET_NEXT_BUFFER 5
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#define CONN_DESC_TEL 1
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#define CONN_DESC_CABLE 2
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#define CONN_DESC_IP 3
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#define CONN_DESC_HOSTNAME 4
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#define LSC_DESC_IP 0xCF
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#define LSC_DESC_HOSTNAME 0xCD
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#define LSC_IPV4 1
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#define LSC_IPV6 2
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#define LSC_TCP 1
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#define LSC_UDP 2
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#define COMMS_REP_ID_CONNECT_ACK 1
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#define COMMS_REP_ID_DISCONNECT_ACK 2
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#define COMMS_REP_ID_SET_PARAMS_ACK 3
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#define COMMS_REP_ID_STATUS_REPLY 4
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#define COMMS_REP_ID_GET_NEXT_BUFFER_ACK 5
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#define COMMS_REP_ID_SEND_ACK 6
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#define LSC_RET_OK 0
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#define LSC_RET_DISCONNECTED 0
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#define LSC_RET_CONNECTED 1
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#define LSC_RET_TOO_BIG 0xFE
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/* sas resource */
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#define SAS_SESS_STATE_CONNECTED 0
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#define SAS_SESS_STATE_NOT_FOUND 1
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#define SAS_SESS_STATE_DENIED 2
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/* application layer */
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#define APDU_TAG_SIZE 3
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/* "don't care" value for min_len_field and len_field (this can't be 0) */
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#define LEN_FIELD_ANY G_MAXUINT32
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static GHashTable *apdu_table = NULL;
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typedef struct _apdu_info_t {
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guint32 tag;
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/* the minimum length required for this apdu */
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guint32 min_len_field;
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/* if the apdu has a well-known length, we enforce it here
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* (otherwise, we set this to LEN_FIELD_ANY) */
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guint32 len_field;
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guint8 direction;
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void (*dissect_payload)(guint32, gint,
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tvbuff_t *, gint, packet_info *, proto_tree *);
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} apdu_info_t;
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void proto_reg_handoff_dvbci(void);
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static void
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dissect_dvbci_payload_rm(guint32 tag, gint len_field,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_ap(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_ca(guint32 tag, gint len_field,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_hc(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_dt(guint32 tag, gint len_field,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_mmi(guint32 tag, gint len_field,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_hlc(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_cup(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_cc(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_ami(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_lsc(guint32 tag, gint len_field,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_opp(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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static void
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dissect_dvbci_payload_sas(guint32 tag, gint len_field _U_,
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tvbuff_t *tvb, gint offset, packet_info *pinfo,
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proto_tree *tree);
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/* apdu defines */
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#define T_PROFILE_ENQ 0x9F8010
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#define T_PROFILE 0x9F8011
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#define T_PROFILE_CHANGE 0x9F8012
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#define T_APP_INFO_ENQ 0x9F8020
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#define T_APP_INFO 0x9F8021
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#define T_ENTER_MENU 0x9F8022
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#define T_REQUEST_CICAM_RESET 0x9F8023
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#define T_DATARATE_INFO 0x9F8024
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#define T_CA_INFO_ENQ 0x9F8030
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#define T_CA_INFO 0x9F8031
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#define T_CA_PMT 0x9F8032
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#define T_CA_PMT_REPLY 0x9F8033
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#define T_TUNE 0x9F8400
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#define T_REPLACE 0x9F8401
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#define T_CLEAR_REPLACE 0x9F8402
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#define T_ASK_RELEASE 0x9F8403
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#define T_TUNE_BROADCAST_REQ 0x9F8404
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#define T_TUNE_REPLY 0x9F8405
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#define T_ASK_RELEASE_REPLY 0x9F8406
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#define T_DATE_TIME_ENQ 0x9F8440
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#define T_DATE_TIME 0x9F8441
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#define T_CLOSE_MMI 0x9F8800
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#define T_DISPLAY_CONTROL 0x9F8801
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#define T_DISPLAY_REPLY 0x9F8802
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#define T_ENQ 0x9F8807
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#define T_ANSW 0x9F8808
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#define T_MENU_LAST 0x9F8809
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#define T_MENU_MORE 0x9F880A
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#define T_MENU_ANSW 0x9F880B
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#define T_LIST_LAST 0x9F880C
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#define T_LIST_MORE 0x9F880D
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#define T_HOST_COUNTRY_ENQ 0x9F8100
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#define T_HOST_COUNTRY 0x9F8101
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#define T_HOST_LANGUAGE_ENQ 0x9F8110
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#define T_HOST_LANGUAGE 0x9F8111
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#define T_CAM_FIRMWARE_UPGRADE 0x9F9D01
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#define T_CAM_FIRMWARE_UPGRADE_REPLY 0x9F9D02
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#define T_CAM_FIRMWARE_UPGRADE_PROGRESS 0x9F9D03
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#define T_CAM_FIRMWARE_UPGRADE_COMPLETE 0x9F9D04
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#define T_CC_OPEN_REQ 0x9F9001
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#define T_CC_OPEN_CNF 0x9F9002
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#define T_CC_DATA_REQ 0x9F9003
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#define T_CC_DATA_CNF 0x9F9004
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#define T_CC_SYNC_REQ 0x9F9005
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#define T_CC_SYNC_CNF 0x9F9006
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#define T_CC_SAC_DATA_REQ 0x9F9007
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#define T_CC_SAC_DATA_CNF 0x9F9008
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#define T_CC_SAC_SYNC_REQ 0x9F9009
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#define T_CC_SAC_SYNC_CNF 0x9F9010
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#define T_CC_PIN_CAPABILITIES_REQ 0x9F9011
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#define T_CC_PIN_CAPABILITIES_REPLY 0x9F9012
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#define T_CC_PIN_CMD 0x9F9013
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#define T_CC_PIN_REPLY 0x9F9014
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#define T_CC_PIN_EVENT 0x9F9015
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#define T_CC_PIN_PLAYBACK 0x9F9016
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#define T_CC_PIN_MMI_REQ 0x9F9017
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#define T_REQUEST_START 0x9F8000
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#define T_REQUEST_START_ACK 0x9F8001
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#define T_FILE_REQUEST 0x9F8002
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#define T_FILE_ACKNOWLEDGE 0x9F8003
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#define T_APP_ABORT_REQUEST 0x9F8004
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#define T_APP_ABORT_ACK 0x9F8005
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#define T_COMMS_CMD 0x9F8C00
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#define T_COMMS_REPLY 0x9F8C02
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#define T_COMMS_SEND_LAST 0x9F8C03
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#define T_COMMS_SEND_MORE 0x9F8C04
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#define T_COMMS_RCV_LAST 0x9F8C05
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#define T_COMMS_RCV_MORE 0x9F8C06
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#define T_OPERATOR_STATUS_REQ 0x9F9C00
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#define T_OPERATOR_STATUS 0x9F9C01
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#define T_OPERATOR_NIT_REQ 0x9F9C02
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#define T_OPERATOR_NIT 0x9F9C03
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#define T_OPERATOR_INFO_REQ 0x9F9C04
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#define T_OPERATOR_INFO 0x9F9C05
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#define T_OPERATOR_SEARCH_START 0x9F9C06
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#define T_OPERATOR_SEARCH_STATUS 0x9F9C07
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#define T_OPERATOR_EXIT 0x9F9C08
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#define T_OPERATOR_TUNE 0x9F9C09
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#define T_OPERATOR_TUNE_STATUS 0x9F9C0A
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#define T_OPERATOR_ENTITLEMENT_ACK 0x9F9C0B
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#define T_OPERATOR_SEARCH_CANCEL 0x9F9C0C
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#define T_SAS_CONNECT_RQST 0x9F9A00
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#define T_SAS_CONNECT_CNF 0x9F9A01
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#define T_SAS_ASYNC_MSG 0x9F9A07
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/* these are no real apdus, they just use the same format */
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#define T_TEXT_LAST 0x9F8803
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#define T_TEXT_MORE 0x9F8804
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#define T_CONNECTION_DESCRIPTOR 0x9F8C01
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#define IS_MENU_APDU(t) (t==T_MENU_MORE || t==T_MENU_LAST)
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static const apdu_info_t apdu_info[] = {
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{T_PROFILE_ENQ, 0, 0, DIRECTION_ANY, NULL},
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{T_PROFILE, 0, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_rm},
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{T_PROFILE_CHANGE, 0, 0, DIRECTION_ANY, NULL},
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{T_APP_INFO_ENQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_APP_INFO, 6, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_ap},
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{T_ENTER_MENU, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_REQUEST_CICAM_RESET, 0, 0, DATA_CAM_TO_HOST, NULL},
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{T_DATARATE_INFO, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_ap},
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{T_CA_INFO_ENQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_CA_INFO, 0, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_ca},
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{T_CA_PMT, 6, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_ca},
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{T_CA_PMT_REPLY, 8, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_ca},
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{T_TUNE, 0, 8, DATA_CAM_TO_HOST, dissect_dvbci_payload_hc},
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{T_REPLACE, 0, 5, DATA_CAM_TO_HOST, dissect_dvbci_payload_hc},
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{T_CLEAR_REPLACE, 0, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_hc},
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{T_ASK_RELEASE, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_TUNE_BROADCAST_REQ, 5, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_hc},
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{T_TUNE_REPLY, 1, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_hc},
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{T_ASK_RELEASE_REPLY, 1, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_hc},
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{T_DATE_TIME_ENQ, 0, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_dt},
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{T_DATE_TIME, 5, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_dt},
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{T_CLOSE_MMI, 1, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_mmi},
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{T_DISPLAY_CONTROL, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_DISPLAY_REPLY, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_mmi},
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{T_ENQ, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_ANSW, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_mmi},
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{T_MENU_LAST, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_MENU_MORE, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_MENU_ANSW, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_mmi},
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{T_LIST_LAST, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_LIST_MORE, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_mmi},
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{T_HOST_COUNTRY_ENQ, 0, 0, DATA_CAM_TO_HOST, NULL},
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{T_HOST_COUNTRY, 0, 3, DATA_HOST_TO_CAM, dissect_dvbci_payload_hlc},
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{T_HOST_LANGUAGE_ENQ, 0, 0, DATA_CAM_TO_HOST, NULL},
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{T_HOST_LANGUAGE, 0, 3, DATA_HOST_TO_CAM, dissect_dvbci_payload_hlc},
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{T_CAM_FIRMWARE_UPGRADE, 0, 3, DATA_CAM_TO_HOST, dissect_dvbci_payload_cup},
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{T_CAM_FIRMWARE_UPGRADE_REPLY, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_cup},
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{T_CAM_FIRMWARE_UPGRADE_PROGRESS, 0, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_cup},
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{T_CAM_FIRMWARE_UPGRADE_COMPLETE, 0, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_cup},
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{T_CC_OPEN_REQ, 0, 0, DATA_CAM_TO_HOST, NULL},
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{T_CC_OPEN_CNF, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_DATA_REQ, 3, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_cc},
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{T_CC_DATA_CNF, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_SYNC_REQ, 0, 0, DATA_CAM_TO_HOST, NULL},
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{T_CC_SYNC_CNF, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_SAC_DATA_REQ, 8, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_cc},
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{T_CC_SAC_DATA_CNF, 8, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_cc},
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{T_CC_SAC_SYNC_REQ, 8, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_cc},
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{T_CC_SAC_SYNC_CNF, 8, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_PIN_CAPABILITIES_REQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_CC_PIN_CAPABILITIES_REPLY, 7, 7, DATA_CAM_TO_HOST, dissect_dvbci_payload_cc},
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{T_CC_PIN_CMD, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_PIN_REPLY, 1, 1, DATA_CAM_TO_HOST, dissect_dvbci_payload_cc},
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{T_CC_PIN_EVENT, 25, 25, DATA_CAM_TO_HOST, dissect_dvbci_payload_cc},
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{T_CC_PIN_PLAYBACK, 16, 16, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_CC_PIN_MMI_REQ, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_cc},
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{T_REQUEST_START, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_ami},
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{T_REQUEST_START_ACK, 0, 1, DATA_HOST_TO_CAM, dissect_dvbci_payload_ami},
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{T_FILE_REQUEST, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_ami},
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{T_FILE_ACKNOWLEDGE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_ami},
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{T_APP_ABORT_REQUEST, 0, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_ami},
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{T_APP_ABORT_ACK, 0, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_ami},
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{T_COMMS_CMD, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_lsc},
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{T_COMMS_REPLY, 0, 2, DATA_HOST_TO_CAM, dissect_dvbci_payload_lsc},
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{T_COMMS_SEND_LAST, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_lsc},
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{T_COMMS_SEND_MORE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_lsc},
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{T_COMMS_RCV_LAST, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_lsc},
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{T_COMMS_RCV_MORE, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_lsc},
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{T_OPERATOR_STATUS_REQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_OPERATOR_STATUS, 0, 6, DATA_CAM_TO_HOST, dissect_dvbci_payload_opp},
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{T_OPERATOR_NIT_REQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_OPERATOR_NIT, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_opp},
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{T_OPERATOR_INFO_REQ, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_OPERATOR_INFO, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_opp},
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{T_OPERATOR_SEARCH_START, 3, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_opp},
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{T_OPERATOR_SEARCH_STATUS, 0, 6, DATA_CAM_TO_HOST, dissect_dvbci_payload_opp},
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{T_OPERATOR_EXIT, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_OPERATOR_TUNE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, dissect_dvbci_payload_opp},
|
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{T_OPERATOR_TUNE_STATUS, 5, LEN_FIELD_ANY, DATA_HOST_TO_CAM, dissect_dvbci_payload_opp},
|
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{T_OPERATOR_ENTITLEMENT_ACK, 0, 0, DATA_HOST_TO_CAM, NULL},
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{T_OPERATOR_SEARCH_CANCEL, 0, 0, DATA_HOST_TO_CAM, NULL},
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|
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{T_SAS_CONNECT_RQST, 0, 8, DATA_HOST_TO_CAM, dissect_dvbci_payload_sas},
|
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{T_SAS_CONNECT_CNF, 0, 9, DATA_CAM_TO_HOST, dissect_dvbci_payload_sas},
|
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{T_SAS_ASYNC_MSG, 3, LEN_FIELD_ANY, DIRECTION_ANY, dissect_dvbci_payload_sas}
|
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};
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static const value_string dvbci_apdu_tag[] = {
|
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{ T_PROFILE_ENQ, "Profile enquiry" },
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{ T_PROFILE, "Profile information" },
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{ T_PROFILE_CHANGE, "Profile change notification" },
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{ T_APP_INFO_ENQ, "Application info enquiry" },
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|
{ T_APP_INFO, "Application info" },
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{ T_ENTER_MENU, "Enter menu" },
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{ T_REQUEST_CICAM_RESET, "Request CICAM reset" },
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{ T_DATARATE_INFO, "Datarate info" },
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{ T_CA_INFO_ENQ, "CA info enquiry" },
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{ T_CA_INFO, "CA info" },
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{ T_CA_PMT, "CA PMT" },
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{ T_CA_PMT_REPLY, "CA PMT reply" },
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{ T_TUNE, "Tune" },
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{ T_REPLACE, "Replace" },
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{ T_CLEAR_REPLACE, "Clear replace" },
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{ T_ASK_RELEASE, "Ask release" },
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{ T_TUNE_BROADCAST_REQ, "Tune broadcast request" },
|
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{ T_TUNE_REPLY, "Tune reply" },
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{ T_ASK_RELEASE_REPLY, "Ask release reply" },
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{ T_DATE_TIME_ENQ, "Date-Time enquiry" },
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{ T_DATE_TIME, "Date-Time" },
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{ T_CLOSE_MMI, "Close MMI" },
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{ T_DISPLAY_CONTROL, "Display control" },
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{ T_DISPLAY_REPLY, "Display reply" },
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{ T_TEXT_LAST, "Text last" },
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{ T_TEXT_MORE, "Text more" },
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{ T_ENQ, "Enquiry" },
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{ T_ANSW, "Answer" },
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{ T_MENU_LAST, "Menu last" },
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|
{ T_MENU_MORE, "Menu more" },
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{ T_MENU_ANSW, "Menu answer" },
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{ T_LIST_LAST, "List last" },
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|
{ T_LIST_MORE, "List more" },
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{ T_HOST_COUNTRY_ENQ, "Host country enquiry" },
|
|
{ T_HOST_COUNTRY, "Host country" },
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{ T_HOST_LANGUAGE_ENQ, "Host language enquiry" },
|
|
{ T_HOST_LANGUAGE, "Host language" },
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{ T_CAM_FIRMWARE_UPGRADE, "CAM firmware upgrade" },
|
|
{ T_CAM_FIRMWARE_UPGRADE_REPLY, "CAM firmware upgrade reply" },
|
|
{ T_CAM_FIRMWARE_UPGRADE_PROGRESS, "CAM firmware upgrade progress" },
|
|
{ T_CAM_FIRMWARE_UPGRADE_COMPLETE, "CAM firmware upgrade complete" },
|
|
{ T_CC_OPEN_REQ, "CC open request" },
|
|
{ T_CC_OPEN_CNF, "CC open confirm" },
|
|
{ T_CC_DATA_REQ, "CC data request" },
|
|
{ T_CC_DATA_CNF, "CC data confirm" },
|
|
{ T_CC_SYNC_REQ, "CC sync request" },
|
|
{ T_CC_SYNC_CNF, "CC sync confirm" },
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|
{ T_CC_SAC_DATA_REQ, "CC SAC data request" },
|
|
{ T_CC_SAC_DATA_CNF, "CC SAC data confirm" },
|
|
{ T_CC_SAC_SYNC_REQ, "CC SAC sync request" },
|
|
{ T_CC_SAC_SYNC_CNF, "CC SAC sync confirm" },
|
|
{ T_CC_PIN_CAPABILITIES_REQ, "CC PIN capabilities request" },
|
|
{ T_CC_PIN_CAPABILITIES_REPLY, "CC PIN capabilities reply" },
|
|
{ T_CC_PIN_CMD, "CC PIN command" },
|
|
{ T_CC_PIN_REPLY, "CC PIN reply" },
|
|
{ T_CC_PIN_EVENT, "CC PIN event" },
|
|
{ T_CC_PIN_PLAYBACK, "CC PIN playback" },
|
|
{ T_CC_PIN_MMI_REQ, "CC PIN MMI request" },
|
|
{ T_REQUEST_START, "Request start" },
|
|
{ T_REQUEST_START_ACK, "Request start ack" },
|
|
{ T_FILE_REQUEST, "File request" },
|
|
{ T_FILE_ACKNOWLEDGE, "File acknowledge" },
|
|
{ T_APP_ABORT_REQUEST, "App abort request" },
|
|
{ T_APP_ABORT_ACK, "App abort ack" },
|
|
{ T_COMMS_CMD, "Comms command" },
|
|
{ T_COMMS_REPLY, "Comms reply" },
|
|
{ T_CONNECTION_DESCRIPTOR, "Connection descriptor" },
|
|
{ T_COMMS_SEND_LAST, "Comms send last" },
|
|
{ T_COMMS_SEND_MORE, "Comms send more" },
|
|
{ T_COMMS_RCV_LAST, "Comms receive last" },
|
|
{ T_COMMS_RCV_MORE, "Comms receive more" },
|
|
{ T_OPERATOR_STATUS_REQ, "Operator status request" },
|
|
{ T_OPERATOR_STATUS, "Operator status" },
|
|
{ T_OPERATOR_NIT_REQ, "Operator NIT request" },
|
|
{ T_OPERATOR_NIT, "Operator NIT" },
|
|
{ T_OPERATOR_INFO_REQ, "Operator info request" },
|
|
{ T_OPERATOR_INFO, "Operator info" },
|
|
{ T_OPERATOR_SEARCH_START, "Operator search start" },
|
|
{ T_OPERATOR_SEARCH_STATUS, "Operator search status" },
|
|
{ T_OPERATOR_EXIT, "Operator exit" },
|
|
{ T_OPERATOR_TUNE, "Operator tune" },
|
|
{ T_OPERATOR_TUNE_STATUS, "Operator tune status" },
|
|
{ T_OPERATOR_ENTITLEMENT_ACK, "Operator entitlement acknowledge" },
|
|
{ T_OPERATOR_SEARCH_CANCEL, "Operator search cancel" },
|
|
{ T_SAS_CONNECT_RQST, "SAS connect request" },
|
|
{ T_SAS_CONNECT_CNF, "SAS connect confirm" },
|
|
{ T_SAS_ASYNC_MSG, "SAS async message" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* convert a byte that contains two 4bit BCD digits into a decimal value */
|
|
#define BCD44_TO_DEC(x) (((x&0xf0) >> 4) * 10 + (x&0x0f))
|
|
|
|
static int proto_dvbci = -1;
|
|
|
|
static gchar* dvbci_sek = NULL;
|
|
static gchar* dvbci_siv = NULL;
|
|
|
|
static gint ett_dvbci = -1;
|
|
static gint ett_dvbci_hdr = -1;
|
|
static gint ett_dvbci_cis = -1;
|
|
static gint ett_dvbci_cis_tpl = -1;
|
|
static gint ett_dvbci_link = -1;
|
|
static gint ett_dvbci_link_frag = -1;
|
|
static gint ett_dvbci_link_frags = -1;
|
|
static gint ett_dvbci_transport = -1;
|
|
static gint ett_dvbci_transport_frag = -1;
|
|
static gint ett_dvbci_transport_frags = -1;
|
|
static gint ett_dvbci_session = -1;
|
|
static gint ett_dvbci_res = -1;
|
|
static gint ett_dvbci_application = -1;
|
|
static gint ett_dvbci_es = -1;
|
|
static gint ett_dvbci_ca_desc = -1;
|
|
static gint ett_dvbci_text = -1;
|
|
static gint ett_dvbci_cc_item = -1;
|
|
static gint ett_dvbci_sac_msg_body = -1;
|
|
static gint ett_dvbci_ami_req_types = -1;
|
|
static gint ett_dvbci_lsc_conn_desc = -1;
|
|
static gint ett_dvbci_opp_cap_loop = -1;
|
|
|
|
|
|
static int hf_dvbci_event = -1;
|
|
static int hf_dvbci_hw_event = -1;
|
|
static int hf_dvbci_cistpl_code = -1;
|
|
static int hf_dvbci_buf_size = -1;
|
|
static int hf_dvbci_tcid = -1;
|
|
static int hf_dvbci_ml = -1;
|
|
static int hf_dvbci_l_frags = -1;
|
|
static int hf_dvbci_l_frag = -1;
|
|
static int hf_dvbci_l_frag_overlap = -1;
|
|
static int hf_dvbci_l_frag_overlap_conflicts = -1;
|
|
static int hf_dvbci_l_frag_multiple_tails = -1;
|
|
static int hf_dvbci_l_frag_too_long_frag = -1;
|
|
static int hf_dvbci_l_frag_err = -1;
|
|
static int hf_dvbci_l_frag_cnt = -1;
|
|
static int hf_dvbci_l_reass_in = -1;
|
|
static int hf_dvbci_l_reass_len = -1;
|
|
static int hf_dvbci_c_tpdu_tag = -1;
|
|
static int hf_dvbci_r_tpdu_tag = -1;
|
|
static int hf_dvbci_t_c_id = -1;
|
|
static int hf_dvbci_sb_value = -1;
|
|
static int hf_dvbci_t_frags = -1;
|
|
static int hf_dvbci_t_frag = -1;
|
|
static int hf_dvbci_t_frag_overlap = -1;
|
|
static int hf_dvbci_t_frag_overlap_conflicts = -1;
|
|
static int hf_dvbci_t_frag_multiple_tails = -1;
|
|
static int hf_dvbci_t_frag_too_long_frag = -1;
|
|
static int hf_dvbci_t_frag_err = -1;
|
|
static int hf_dvbci_t_frag_cnt = -1;
|
|
static int hf_dvbci_t_reass_in = -1;
|
|
static int hf_dvbci_t_reass_len = -1;
|
|
static int hf_dvbci_spdu_tag = -1;
|
|
static int hf_dvbci_sess_status = -1;
|
|
static int hf_dvbci_sess_nb = -1;
|
|
static int hf_dvbci_close_sess_status = -1;
|
|
static int hf_dvbci_apdu_tag = -1;
|
|
static int hf_dvbci_app_type = -1;
|
|
static int hf_dvbci_app_manf = -1;
|
|
static int hf_dvbci_manf_code = -1;
|
|
static int hf_dvbci_menu_str_len = -1;
|
|
static int hf_dvbci_data_rate = -1;
|
|
static int hf_dvbci_ca_sys_id = -1;
|
|
static int hf_dvbci_ca_pmt_list_mgmt = -1;
|
|
static int hf_dvbci_prog_num = -1;
|
|
static int hf_dvbci_prog_info_len = -1;
|
|
static int hf_dvbci_stream_type = -1;
|
|
static int hf_dvbci_es_pid = -1;
|
|
static int hf_dvbci_es_info_len = -1;
|
|
static int hf_dvbci_ca_pmt_cmd_id = -1;
|
|
static int hf_dvbci_descr_len = -1;
|
|
static int hf_dvbci_ca_pid = -1;
|
|
static int hf_dvbci_ca_enable_flag = -1;
|
|
static int hf_dvbci_ca_enable = -1;
|
|
static int hf_dvbci_network_id = -1;
|
|
static int hf_dvbci_original_network_id = -1;
|
|
static int hf_dvbci_transport_stream_id = -1;
|
|
static int hf_dvbci_service_id = -1;
|
|
static int hf_dvbci_replacement_ref = -1;
|
|
static int hf_dvbci_replaced_pid = -1;
|
|
static int hf_dvbci_replacement_pid = -1;
|
|
static int hf_dvbci_pmt_flag = -1;
|
|
static int hf_dvbci_hc_desc_loop_len = -1;
|
|
static int hf_dvbci_hc_desc_loop = -1;
|
|
static int hf_dvbci_hc_pmt = -1;
|
|
static int hf_dvbci_hc_status = -1;
|
|
static int hf_dvbci_resp_intv = -1;
|
|
static int hf_dvbci_utc_time = -1;
|
|
static int hf_dvbci_local_offset = -1;
|
|
static int hf_dvbci_close_mmi_cmd_id = -1;
|
|
static int hf_dvbci_close_mmi_delay = -1;
|
|
static int hf_dvbci_disp_ctl_cmd = -1;
|
|
static int hf_dvbci_mmi_mode = -1;
|
|
static int hf_dvbci_disp_rep_id = -1;
|
|
static int hf_dvbci_char_tbl = -1;
|
|
static int hf_dvbci_blind_ans = -1;
|
|
static int hf_dvbci_ans_txt_len = -1;
|
|
static int hf_dvbci_text_ctrl = -1;
|
|
static int hf_dvbci_ans_id = -1;
|
|
static int hf_dvbci_choice_nb = -1;
|
|
static int hf_dvbci_choice_ref = -1;
|
|
static int hf_dvbci_item_nb = -1;
|
|
static int hf_dvbci_host_country = -1;
|
|
static int hf_dvbci_host_language = -1;
|
|
static int hf_dvbci_cup_type = -1;
|
|
static int hf_dvbci_cup_download_time = -1;
|
|
static int hf_dvbci_cup_answer = -1;
|
|
static int hf_dvbci_cup_progress = -1;
|
|
static int hf_dvbci_cup_reset = -1;
|
|
static int hf_dvbci_cc_sys_id_bitmask = -1;
|
|
static int hf_dvbci_cc_dat_id = -1;
|
|
static int hf_dvbci_brand_cert = -1;
|
|
static int hf_dvbci_dev_cert = -1;
|
|
static int hf_dvbci_uri_ver = -1;
|
|
static int hf_dvbci_uri_aps = -1;
|
|
static int hf_dvbci_uri_emi = -1;
|
|
static int hf_dvbci_uri_ict = -1;
|
|
static int hf_dvbci_uri_rct = -1;
|
|
static int hf_dvbci_cc_key_register = -1;
|
|
static int hf_dvbci_cc_status_field = -1;
|
|
static int hf_dvbci_cc_op_mode = -1;
|
|
static int hf_dvbci_cc_data = -1;
|
|
static int hf_dvbci_sac_msg_ctr = -1;
|
|
static int hf_dvbci_sac_proto_ver = -1;
|
|
static int hf_dvbci_sac_auth_cip = -1;
|
|
static int hf_dvbci_sac_payload_enc = -1;
|
|
static int hf_dvbci_sac_enc_cip = -1;
|
|
static int hf_dvbci_sac_payload_len = -1;
|
|
static int hf_dvbci_sac_enc_body = -1;
|
|
static int hf_dvbci_sac_signature = -1;
|
|
static int hf_dvbci_rating = -1;
|
|
static int hf_dvbci_capability_field = -1;
|
|
static int hf_dvbci_pin_chg_time = -1;
|
|
static int hf_dvbci_pincode_status = -1;
|
|
static int hf_dvbci_cc_prog_num = -1;
|
|
static int hf_dvbci_pin_evt_time = -1;
|
|
static int hf_dvbci_pin_evt_cent = -1;
|
|
static int hf_dvbci_cc_priv_data = -1;
|
|
static int hf_dvbci_pincode = -1;
|
|
static int hf_dvbci_app_dom_id = -1;
|
|
static int hf_dvbci_init_obj = -1;
|
|
static int hf_dvbci_ack_code = -1;
|
|
static int hf_dvbci_req_type = -1;
|
|
static int hf_dvbci_file_hash = -1;
|
|
static int hf_dvbci_file_name = -1;
|
|
static int hf_dvbci_ami_priv_data = -1;
|
|
static int hf_dvbci_req_ok = -1;
|
|
static int hf_dvbci_file_ok = -1;
|
|
static int hf_dvbci_file_data = -1;
|
|
static int hf_dvbci_abort_req_code = -1;
|
|
static int hf_dvbci_abort_ack_code = -1;
|
|
static int hf_dvbci_phase_id = -1;
|
|
static int hf_dvbci_comms_rep_id = -1;
|
|
static int hf_dvbci_lsc_buf_size = -1;
|
|
static int hf_dvbci_lsc_ret_val = -1;
|
|
static int hf_dvbci_comms_cmd_id = -1;
|
|
static int hf_dvbci_conn_desc_type = -1;
|
|
static int hf_dvbci_lsc_media_tag = -1;
|
|
static int hf_dvbci_lsc_media_len = -1;
|
|
static int hf_dvbci_lsc_ip_ver = -1;
|
|
static int hf_dvbci_lsc_ipv4_addr = -1;
|
|
static int hf_dvbci_lsc_ipv6_addr = -1;
|
|
static int hf_dvbci_lsc_dst_port = -1;
|
|
static int hf_dvbci_lsc_proto = -1;
|
|
static int hf_dvbci_lsc_hostname = -1;
|
|
static int hf_dvbci_lsc_retry_count = -1;
|
|
static int hf_dvbci_lsc_timeout = -1;
|
|
static int hf_dvbci_lsc_msg = -1;
|
|
static int hf_dvbci_info_ver_op_status = -1;
|
|
static int hf_dvbci_nit_ver = -1;
|
|
static int hf_dvbci_pro_typ = -1;
|
|
static int hf_dvbci_init_flag = -1;
|
|
static int hf_dvbci_ent_chg_flag = -1;
|
|
static int hf_dvbci_ent_val_flag = -1;
|
|
static int hf_dvbci_ref_req_flag = -1;
|
|
static int hf_dvbci_err_flag = -1;
|
|
static int hf_dvbci_dlv_sys_hint = -1;
|
|
static int hf_dvbci_refr_req_date = -1;
|
|
static int hf_dvbci_refr_req_time = -1;
|
|
static int hf_dvbci_nit_loop_len = -1;
|
|
static int hf_dvbci_nit = -1;
|
|
static int hf_dvbci_info_valid = -1;
|
|
static int hf_dvbci_info_ver_op_info = -1;
|
|
static int hf_dvbci_cicam_onid = -1;
|
|
static int hf_dvbci_cicam_id = -1;
|
|
static int hf_dvbci_opp_char_tbl_multi = -1;
|
|
static int hf_dvbci_opp_char_tbl = -1;
|
|
static int hf_dvbci_enc_type_id = -1;
|
|
static int hf_dvbci_sdt_rst_trusted = -1;
|
|
static int hf_dvbci_eit_rst_trusted = -1;
|
|
static int hf_dvbci_eit_pf_usage = -1;
|
|
static int hf_dvbci_eit_sch_usage = -1;
|
|
static int hf_dvbci_ext_evt_usage = -1;
|
|
static int hf_dvbci_sdt_oth_trusted = -1;
|
|
static int hf_dvbci_eit_evt_trigger = -1;
|
|
static int hf_dvbci_opp_lang_code = -1;
|
|
static int hf_dvbci_prof_name = -1;
|
|
static int hf_dvbci_unattended = -1;
|
|
static int hf_dvbci_opp_srv_type = -1;
|
|
static int hf_dvbci_dlv_cap_byte = -1;
|
|
static int hf_dvbci_app_cap_bytes = -1;
|
|
static int hf_dvbci_desc_num = -1;
|
|
static int hf_dvbci_sig_strength = -1;
|
|
static int hf_dvbci_sig_qual = -1;
|
|
static int hf_dvbci_opp_tune_status = -1;
|
|
static int hf_dvbci_opp_desc_loop_len = -1;
|
|
static int hf_dvbci_opp_desc_loop = -1;
|
|
static int hf_dvbci_sas_app_id = -1;
|
|
static int hf_dvbci_sas_sess_state = -1;
|
|
static int hf_dvbci_sas_msg_nb = -1;
|
|
static int hf_dvbci_sas_msg_len = -1;
|
|
static int hf_dvbci_sas_msg = -1;
|
|
|
|
|
|
static GHashTable *tpdu_fragment_table = NULL;
|
|
static GHashTable *tpdu_reassembled_table = NULL;
|
|
static GHashTable *spdu_fragment_table = NULL;
|
|
static GHashTable *spdu_reassembled_table = NULL;
|
|
|
|
static const fragment_items tpdu_frag_items = {
|
|
&ett_dvbci_link_frag,
|
|
&ett_dvbci_link_frags,
|
|
|
|
&hf_dvbci_l_frags,
|
|
&hf_dvbci_l_frag,
|
|
&hf_dvbci_l_frag_overlap,
|
|
&hf_dvbci_l_frag_overlap_conflicts,
|
|
&hf_dvbci_l_frag_multiple_tails,
|
|
&hf_dvbci_l_frag_too_long_frag,
|
|
&hf_dvbci_l_frag_err,
|
|
&hf_dvbci_l_frag_cnt,
|
|
|
|
&hf_dvbci_l_reass_in,
|
|
&hf_dvbci_l_reass_len,
|
|
"Tpdu fragments"
|
|
};
|
|
static const fragment_items spdu_frag_items = {
|
|
&ett_dvbci_transport_frag,
|
|
&ett_dvbci_transport_frags,
|
|
|
|
&hf_dvbci_t_frags,
|
|
&hf_dvbci_t_frag,
|
|
&hf_dvbci_t_frag_overlap,
|
|
&hf_dvbci_t_frag_overlap_conflicts,
|
|
&hf_dvbci_t_frag_multiple_tails,
|
|
&hf_dvbci_t_frag_too_long_frag,
|
|
&hf_dvbci_t_frag_err,
|
|
&hf_dvbci_t_frag_cnt,
|
|
|
|
&hf_dvbci_t_reass_in,
|
|
&hf_dvbci_t_reass_len,
|
|
"Spdu fragments"
|
|
};
|
|
|
|
|
|
|
|
typedef struct _spdu_info_t {
|
|
guint8 tag;
|
|
guint8 direction;
|
|
guint8 len_field;
|
|
} spdu_info_t;
|
|
|
|
static const value_string dvbci_event[] = {
|
|
{ DATA_HOST_TO_CAM, "data transfer Host -> CAM" },
|
|
{ DATA_CAM_TO_HOST, "data transfer CAM -> Host" },
|
|
{ CIS_READ, "read the Card Information Structure (CIS)" },
|
|
{ COR_WRITE, "write into the Configuration Option Register (COR)" },
|
|
{ HW_EVT, "hardware event" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_hw_event[] = {
|
|
{ CAM_IN, "CI Module is inserted" },
|
|
{ CAM_OUT, "CI Module is removed" },
|
|
{ POWER_ON, "CI slot power on" },
|
|
{ POWER_OFF, "CI slot power off" },
|
|
{ TS_ROUTE, "Transport stream routed through the CI Module" },
|
|
{ TS_BYPASS, "Transport stream bypasses the CI Module" },
|
|
{ RESET_H, "Reset pin is high" },
|
|
{ RESET_L, "Reset pin is low" },
|
|
{ READY_H, "Ready pin is high" },
|
|
{ READY_L, "Ready pin is low" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cistpl_code[] = {
|
|
{ CISTPL_NO_LINK, "No-link tuple" },
|
|
{ CISTPL_VERS_1, "Level 1 version/product information" },
|
|
{ CISTPL_CONFIG, "Configuration for a 16bit PC-Card" },
|
|
{ CISTPL_CFTABLE_ENTRY, "Configuration-table entry" },
|
|
{ CISTPL_DEVICE_OC, "Device information for Common Memory" },
|
|
{ CISTPL_DEVICE_OA, "Device information for Attribute Memory" },
|
|
{ CISTPL_MANFID, "Manufacturer indentification string" },
|
|
{ CISTPL_END, "End of chain" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ml[] = {
|
|
{ ML_MORE, "more TPDU fragments pending" },
|
|
{ ML_LAST, "last TPDU fragment" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_c_tpdu[] = {
|
|
{ T_RCV, "T_RCV" },
|
|
{ T_CREATE_T_C, "T_create_t_c" },
|
|
{ T_DELETE_T_C, "T_delete_t_c" },
|
|
{ T_D_T_C_REPLY, "T_d_t_c_reply" },
|
|
{ T_NEW_T_C, "T_new_t_c" },
|
|
{ T_T_C_ERROR, "T_t_c_error" },
|
|
{ T_DATA_LAST, "T_data_last" },
|
|
{ T_DATA_MORE, "T_data_more" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_r_tpdu[] = {
|
|
{ T_C_T_C_REPLY, "T_c_tc_reply" },
|
|
{ T_DELETE_T_C, "T_delete_t_c" },
|
|
{ T_D_T_C_REPLY, "T_d_t_c_reply" },
|
|
{ T_REQUEST_T_C, "T_request_t_c" },
|
|
{ T_DATA_LAST, "T_data_last" },
|
|
{ T_DATA_MORE, "T_data_more" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_sb_value[] = {
|
|
{ SB_VAL_MSG_AVAILABLE, "message available" },
|
|
{ SB_VAL_NO_MSG_AVAILABLE, "no message available" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_spdu_tag[] = {
|
|
{ T_SESSION_NUMBER, "Session Number (payload data)" },
|
|
{ T_OPEN_SESSION_REQUEST, "Open Session Request" },
|
|
{ T_OPEN_SESSION_RESPONSE, "Open Session Response" },
|
|
{ T_CREATE_SESSION, "Create Session" },
|
|
{ T_CREATE_SESSION_RESPONSE, "Create Session Response" },
|
|
{ T_CLOSE_SESSION_REQUEST, "Close Session Request" },
|
|
{ T_CLOSE_SESSION_RESPONSE, "Close Session Response" },
|
|
{ 0, NULL }
|
|
};
|
|
static GHashTable *spdu_table = NULL;
|
|
static const spdu_info_t spdu_info[] = {
|
|
{ T_SESSION_NUMBER, DIRECTION_ANY, 2 },
|
|
{ T_OPEN_SESSION_REQUEST, DATA_CAM_TO_HOST, 4 },
|
|
{ T_OPEN_SESSION_RESPONSE, DATA_HOST_TO_CAM, 7 },
|
|
{ T_CREATE_SESSION, DATA_HOST_TO_CAM, 6 },
|
|
{ T_CREATE_SESSION_RESPONSE, DATA_CAM_TO_HOST, 7 },
|
|
{ T_CLOSE_SESSION_REQUEST, DIRECTION_ANY, 2 },
|
|
{ T_CLOSE_SESSION_RESPONSE, DIRECTION_ANY, 3 }
|
|
};
|
|
static const value_string dvbci_sess_status[] = {
|
|
{ SESS_OPENED,
|
|
"Session opened" },
|
|
{ SESS_NOT_OPENED_RES_NON_EXIST,
|
|
"Resource does not exist" },
|
|
{ SESS_NOT_OPENED_RES_UNAVAIL,
|
|
"Resource exists but it's unavailable" },
|
|
{ SESS_NOT_OPENED_RES_VER_LOWER,
|
|
"Existing resource's version is lower than requested version" },
|
|
{ SESS_NOT_OPENED_RES_BUSY,
|
|
"Resource is busy" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_close_sess_status[] = {
|
|
{ SESS_CLOSED, "Session closed" },
|
|
{ SESS_NB_NOT_ALLOC, "Session number not allocated" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_res_class[] = {
|
|
{ RES_CLASS_RM, "Resource Manager" },
|
|
{ RES_CLASS_AP, "Application Info" },
|
|
{ RES_CLASS_CA, "Conditional Access" },
|
|
{ RES_CLASS_HC, "Host Control" },
|
|
{ RES_CLASS_DT, "Date-Time" },
|
|
{ RES_CLASS_MMI, "Man-machine interface (MMI)" },
|
|
{ RES_CLASS_AMI, "Application MMI" },
|
|
{ RES_CLASS_LSC, "Low-Speed Communication" },
|
|
{ RES_CLASS_CC, "Content Control" },
|
|
{ RES_CLASS_HLC, "Host Language & Country" },
|
|
{ RES_CLASS_CUP, "CAM Upgrade" },
|
|
{ RES_CLASS_OPP, "Operator Profile" },
|
|
{ RES_CLASS_SAS, "Specific Application Support" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_app_type[] = {
|
|
{ APP_TYPE_CA, "Conditional Access" },
|
|
{ APP_TYPE_EPG, "Electronic Progam Guide" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_data_rate[] = {
|
|
{ DATA_RATE_72, "72 Mbit/s" },
|
|
{ DATA_RATE_96, "96 Mbit/s" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ca_pmt_list_mgmt[] = {
|
|
{ LIST_MGMT_MORE, "more" },
|
|
{ LIST_MGMT_FIRST, "first" },
|
|
{ LIST_MGMT_LAST, "last" },
|
|
{ LIST_MGMT_ONLY, "only" },
|
|
{ LIST_MGMT_ADD, "add" },
|
|
{ LIST_MGMT_UPDATE, "update" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ca_pmt_cmd_id[] = {
|
|
{ CMD_ID_OK_DESCR, "ok descrambling" },
|
|
{ CMD_ID_OK_MMI, "ok mmi" },
|
|
{ CMD_ID_QUERY, "query" },
|
|
{ CMD_ID_NOT_SELECTED, "not selected" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ca_enable[] = {
|
|
{ CA_ENAB_DESC_OK, "descrambling possible" },
|
|
{ CA_ENAB_DESC_OK_PURCHASE,
|
|
"descrambling possible under conditions (purchase dialogue)" },
|
|
{ CA_ENAB_DESC_OK_TECH,
|
|
"descrambling possible under conditions (technical dialogue)" },
|
|
{ CA_ENAB_DESC_NG_ENTITLEMENT,
|
|
"descrambling not possible (because no entitlement)" },
|
|
{ CA_ENAB_DESC_NG_TECH,
|
|
"descrambling not possible (for technical reasons)" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_hc_status[] = {
|
|
{ HC_STAT_OK, "ok" },
|
|
{ HC_STAT_ERR_DLVRY, "unsupported delivery system descriptor" },
|
|
{ HC_STAT_ERR_LOCK, "tuner not locking" },
|
|
{ HC_STAT_ERR_BUSY, "tuner busy" },
|
|
{ HC_STAT_ERR_PARAM, "bad or missing parameters" },
|
|
{ HC_STAT_ERR_NOT_FOUND, "service not found" },
|
|
{ HC_STAT_ERR_UNKNOWN, "unknown error" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_close_mmi_cmd_id[] = {
|
|
{ CLOSE_MMI_CMD_ID_IMMEDIATE, "immediate close" },
|
|
{ CLOSE_MMI_CMD_ID_DELAY, "delayed close" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_disp_ctl_cmd[] = {
|
|
{ DISP_CMD_SET_MMI_MODE, "set MMI mode" },
|
|
{ DISP_CMD_GET_DISP_TBL, "get display character tables" },
|
|
{ DISP_CMD_GET_INP_TBL, "get input character tables" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_mmi_mode[] = {
|
|
{ MMI_MODE_HIGH, "High-level MMI" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_disp_rep_id[] = {
|
|
{ DISP_REP_ID_MMI_MODE_ACK, "MMI mode acknowledge" },
|
|
{ DISP_REP_ID_DISP_CHAR_TBL, "list display character tables" },
|
|
{ DISP_REP_ID_INP_CHAR_TBL, "list input character tables" },
|
|
{ DISP_REP_ID_UNKNOWN_CMD, "unknown display control command" },
|
|
{ DISP_REP_ID_UNKNOWN_MMI_MODE, "unknown MMI mode" },
|
|
{ DISP_REP_ID_UNKNOWN_CHAR_TBL, "unknown character table" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_blind_ans[] = {
|
|
{ VISIBLE_ANS, "visible" },
|
|
{ BLIND_ANS, "blind" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_text_ctrl[] = {
|
|
{ TEXT_CTRL_EMPH_ON, "character emphasis on" },
|
|
{ TEXT_CTRL_EMPH_OFF, "character emphasis off" },
|
|
{ TEXT_CTRL_CRLF, "CR/LF" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_char_tbl[] = {
|
|
{ CHAR_TBL_8859_5, "ISO/IEC 8859-5 (Latin/Cyrillic)" },
|
|
{ CHAR_TBL_8859_6, "ISO/IEC 8859-6 (Latin/Arabic)" },
|
|
{ CHAR_TBL_8859_7, "ISO/IEC 8859-7 (Latin/Greek)" },
|
|
{ CHAR_TBL_8859_8, "ISO/IEC 8859-8 (Latin/Hebrew)" },
|
|
{ CHAR_TBL_8859_9, "ISO/IEC 8859-9 (Latin No. 5)" },
|
|
{ CHAR_TBL_8859_10, "ISO/IEC 8859-10 (Latin No. 6)" },
|
|
{ CHAR_TBL_8859_11, "ISO/IEC 8859-11 (Latin/Thai)" },
|
|
{ CHAR_TBL_8859_13, "ISO/IEC 8859-13 (Latin No. 7)" },
|
|
{ CHAR_TBL_8859_14, "ISO/IEC 8859-14 (Latin No. 8 (Celtic))" },
|
|
{ CHAR_TBL_8859_15, "ISO/IEC 8859-15 (Latin No. 9)" },
|
|
{ CHAR_TBL_ENC_TYPE_ID, "defined by encoding_type_id" },
|
|
/* don't add any multi-byte tables (>= 0x10) */
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ans_id[] = {
|
|
{ ANSW_ID_CANCEL, "cancel" },
|
|
{ ANSW_ID_ANSWER, "answer" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cup_type[] = {
|
|
{ CUP_DELAYED, "delayed" },
|
|
{ CUP_IMMEDIATE, "immediate" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cup_answer[] = {
|
|
{ CUP_ANS_NO, "upgrade denied" },
|
|
{ CUP_ANS_YES, "upgrade allowed" },
|
|
{ CUP_ANS_ASK, "ask the user for permission" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cup_reset[] = {
|
|
{ CUP_RESET_PCMCIA, "PCMCIA reset" },
|
|
{ CUP_RESET_CMDIF, "CI command interface reset" },
|
|
{ CUP_RESET_NONE, "no reset" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_dat_id[] = {
|
|
{ CC_ID_HOST_ID, "Host ID" },
|
|
{ CC_ID_CICAM_ID, "Cicam ID" },
|
|
{ CC_ID_HOST_BRAND_CERT, "Host brand certificate" },
|
|
{ CC_ID_CICAM_BRAND_CERT, "Cicam brand certificate" },
|
|
{ CC_ID_KP, "Key precursor for CCK" },
|
|
{ CC_ID_DHPH, "Host Diffie-Hellman public key" },
|
|
{ CC_ID_DHPM, "Cicam Diffie-Hellman public key" },
|
|
{ CC_ID_HOST_DEV_CERT, "Host device certificate" },
|
|
{ CC_ID_CICAM_DEV_CERT, "Cicam device certificate" },
|
|
{ CC_ID_SIG_A, "Signature of host Diffie-Hellman public key" },
|
|
{ CC_ID_SIG_B, "Signature of cicam Diffie-Hellman public key" },
|
|
{ CC_ID_NS_HOST, "Host nonce" },
|
|
{ CC_ID_AUTH_NONCE, "Nonce for authentication" },
|
|
{ CC_ID_NS_MODULE, "Cicam nonce" },
|
|
{ CC_ID_AKH, "Host authentication key" },
|
|
{ CC_ID_URI, "URI" },
|
|
{ CC_ID_PROG_NUM, "Program number" },
|
|
{ CC_ID_URI_CNF, "URI confirmation" },
|
|
{ CC_ID_KEY_REGISTER, "Key register" },
|
|
{ CC_ID_URI_VERSIONS, "Supported URI versions" },
|
|
{ CC_ID_STATUS_FIELD, "Status field" },
|
|
{ CC_ID_CICAM_LICENSE, "License received from the cicam" },
|
|
{ CC_ID_LICENSE_STATUS, "Current status of the license" },
|
|
{ CC_ID_LICENSE_RCV_STATUS, "Status of the license exchange" },
|
|
{ CC_ID_OPERATING_MODE, "Operating mode" },
|
|
{ CC_ID_PINCODE_DATA, "Pincode data" },
|
|
{ CC_ID_REC_START_STATUS, "Record start status" },
|
|
{ CC_ID_MODE_CHG_STATUS, "Change operating mode status" },
|
|
{ CC_ID_REC_STOP_STATUS, "Record stop status" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_key_register[] = {
|
|
{ CC_KEY_EVEN, "Even" },
|
|
{ CC_KEY_ODD, "Odd" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_status[] = {
|
|
{ CC_STATUS_OK, "Ok" },
|
|
{ CC_STATUS_NO_CC_SUPPORT, "No CC support" },
|
|
{ CC_STATUS_HOST_BUSY, "Host busy" },
|
|
{ CC_STATUS_AUTH_FAILED, "Authentication failed" },
|
|
{ CC_STATUS_CICAM_BUSY, "CICAM busy" },
|
|
{ CC_STATUS_REC_MODE_ERR, "Recording mode error" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_sac_auth[] = {
|
|
{ CC_SAC_AUTH_AES128_XCBC_MAC, "AES 128 XCBC MAC" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_sac_enc[] = {
|
|
{ CC_SAC_ENC_AES128_CBC, "AES 128 CBC" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_cap[] = {
|
|
{ CC_CAP_NONE,
|
|
"No PIN handling capability" },
|
|
{ CC_CAP_CAS_PIN,
|
|
"CAM can do PIN handling on CAS services" },
|
|
{ CC_CAP_CAS_FTA_PIN,
|
|
"CAM can do PIN handling on CAS and free services" },
|
|
{ CC_CAP_CAS_PIN_CACHED,
|
|
"CAM can do PIN handling on CAS services and supports PIN caching" },
|
|
{ CC_CAP_CAS_FTA_PIN_CACHED,
|
|
"CAM can do PIN handling on CAS and free services, supports PIN caching" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_pincode_status[] = {
|
|
{ CC_PIN_BAD, "Bad pin code" },
|
|
{ CC_PIN_CAM_BUSY, "CAM busy" },
|
|
{ CC_PIN_OK, "Pin code correct" },
|
|
{ CC_PIN_UNCONFIRMED, "Pin code unconfirmed" },
|
|
{ CC_PIN_VB_NOT_REQ, "Video blanking not required" },
|
|
{ CC_PIN_CSA, "Content still CSA scrambled" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_cc_op_mode[] = {
|
|
{ CC_OP_MODE_WATCH_BUFFER, "Watch and buffer" },
|
|
{ CC_OP_MODE_TIMESHIFT, "Timeshift" },
|
|
{ CC_OP_MODE_UNATTENDED, "Unattended recording" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_ack_code[] = {
|
|
{ ACK_CODE_OK, "Ok" },
|
|
{ ACK_CODE_WRONG_API, "Application Domain unsupported" },
|
|
{ ACK_CODE_API_BUSY, "Application Domain currently unavailable" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_req_type[] = {
|
|
{ REQ_TYPE_FILE, "File" },
|
|
{ REQ_TYPE_DATA, "Data" },
|
|
{ REQ_TYPE_FILE_HASH, "FileHash" },
|
|
{ REQ_TYPE_REQ, "List supported request types" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_comms_cmd_id[] = {
|
|
{ COMMS_CMD_ID_CONNECT_ON_CHANNEL, "connect on channel" },
|
|
{ COMMS_CMD_ID_DISCONNECT_ON_CHANNEL, "disconnect on channel" },
|
|
{ COMMS_CMD_ID_SET_PARAMS, "set parameters" },
|
|
{ COMMS_CMD_ID_ENQUIRE_STATUS, "status enquiry" },
|
|
{ COMMS_CMD_ID_GET_NEXT_BUFFER, "get next buffer" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_conn_desc_type[] = {
|
|
{ CONN_DESC_TEL, "DVB-SI telephone descriptor" },
|
|
{ CONN_DESC_CABLE, "cable return channel" },
|
|
{ CONN_DESC_IP, "IP descriptor" },
|
|
{ CONN_DESC_HOSTNAME, "hostname descriptor" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_desc_tag[] = {
|
|
{ LSC_DESC_IP, "IP descriptor" },
|
|
{ LSC_DESC_HOSTNAME, "hostname descriptor" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_ip_ver[] = {
|
|
{ LSC_IPV4, "IPv4" },
|
|
{ LSC_IPV6, "IPv6" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_proto[] = {
|
|
{ LSC_TCP, "TCP" },
|
|
{ LSC_UDP, "UDP" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_comms_rep_id[] = {
|
|
{ COMMS_REP_ID_CONNECT_ACK, "connect ack" },
|
|
{ COMMS_REP_ID_DISCONNECT_ACK, "disconnect ack" },
|
|
{ COMMS_REP_ID_SET_PARAMS_ACK, "set parameters ack" },
|
|
{ COMMS_REP_ID_STATUS_REPLY, "status reply" },
|
|
{ COMMS_REP_ID_GET_NEXT_BUFFER_ACK, "get next buffer ack" },
|
|
{ COMMS_REP_ID_SEND_ACK, "send ack" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_ret_val[] = {
|
|
{ LSC_RET_OK, "ok" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_ret_val_connect[] = {
|
|
{ LSC_RET_DISCONNECTED, "disconnected" },
|
|
{ LSC_RET_CONNECTED, "connected" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_lsc_ret_val_params[] = {
|
|
{ LSC_RET_OK, "ok" },
|
|
{ LSC_RET_TOO_BIG, "buffer size too big" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string dvbci_sas_sess_state[] = {
|
|
{ SAS_SESS_STATE_CONNECTED, "connected" },
|
|
{ SAS_SESS_STATE_NOT_FOUND, "application not found" },
|
|
{ SAS_SESS_STATE_DENIED, "denied, no more connections available" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static guint16 buf_size_cam; /* buffer size proposal by the CAM */
|
|
/* buffer size proposal by the host == negotiated buffer size */
|
|
static guint16 buf_size_host;
|
|
|
|
/* this must be a function, not a macro,
|
|
so that we can enforce the return type */
|
|
static inline gint16 two_comp_to_int16(guint16 x)
|
|
{
|
|
return (x&0x8000) ? -~(x-1) : x;
|
|
}
|
|
|
|
|
|
/* initialize/reset per capture state data */
|
|
static void
|
|
dvbci_init(void)
|
|
{
|
|
buf_size_cam = 0;
|
|
buf_size_host = 0;
|
|
|
|
fragment_table_init(&tpdu_fragment_table);
|
|
reassembled_table_init(&tpdu_reassembled_table);
|
|
fragment_table_init(&spdu_fragment_table);
|
|
reassembled_table_init(&spdu_reassembled_table);
|
|
}
|
|
|
|
|
|
/* dissect a delivery system descriptor loop
|
|
and the preceding length field
|
|
(used for host control and operator profile) */
|
|
static gint
|
|
dissect_desc_loop(int len_hf, int data_hf,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
guint16 desc_loop_len;
|
|
|
|
desc_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
|
|
proto_tree_add_item(tree, len_hf, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (desc_loop_len>0)
|
|
proto_tree_add_item(tree, data_hf, tvb, offset, desc_loop_len, ENC_NA);
|
|
|
|
return 2+desc_loop_len;
|
|
}
|
|
|
|
|
|
/* dissect operator profile's status body, return its length */
|
|
static gint
|
|
dissect_opp_status_body(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
|
|
offset_start = offset;
|
|
proto_tree_add_item(tree, hf_dvbci_info_ver_op_status,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_nit_ver,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_pro_typ,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_init_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_ent_chg_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_ent_val_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_ref_req_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_err_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_dlv_sys_hint,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_refr_req_date,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_dvbci_refr_req_time,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
|
|
/* dissect a capability loop in an operator_search_start apdu */
|
|
static gint
|
|
dissect_opp_cap_loop(guint8 cap_loop_len, const gchar *title,
|
|
int item_hf, guint item_len,
|
|
tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *loop_tree = NULL;
|
|
guint i;
|
|
|
|
if (!title)
|
|
return -1;
|
|
if (item_len==0 || cap_loop_len%item_len != 0)
|
|
return -1;
|
|
|
|
if (tree && cap_loop_len>0) {
|
|
ti = proto_tree_add_text(tree, tvb, offset, cap_loop_len, "%s", title);
|
|
loop_tree = proto_item_add_subtree(ti, ett_dvbci_opp_cap_loop);
|
|
}
|
|
for (i=0; i<cap_loop_len; i+=item_len) {
|
|
proto_tree_add_item(loop_tree, item_hf,
|
|
tvb, offset+i, item_len, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
return cap_loop_len;
|
|
}
|
|
|
|
/* read a utc_time field in an apdu and write it to utc_time
|
|
the encoding of the field is according to DVB-SI specification, section 5.2.5
|
|
16bit modified julian day (MJD), 24bit 6*4bit BCD digits hhmmss
|
|
return the length in bytes or -1 for error */
|
|
static gint
|
|
read_utc_time(tvbuff_t *tvb, gint offset, nstime_t *utc_time)
|
|
{
|
|
gint bcd_time_offset; /* start offset of the bcd time in the tvbuff */
|
|
guint8 hour, min, sec;
|
|
|
|
if (!utc_time)
|
|
return -1;
|
|
|
|
nstime_set_zero(utc_time);
|
|
utc_time->secs = (tvb_get_ntohs(tvb, offset) - 40587) * 86400;
|
|
bcd_time_offset = offset+2;
|
|
hour = BCD44_TO_DEC(tvb_get_guint8(tvb, bcd_time_offset));
|
|
min = BCD44_TO_DEC(tvb_get_guint8(tvb, bcd_time_offset+1));
|
|
sec = BCD44_TO_DEC(tvb_get_guint8(tvb, bcd_time_offset+2));
|
|
if (hour>23 || min>59 || sec>59)
|
|
return -1;
|
|
|
|
utc_time->secs += hour*3600 + min*60 + sec;
|
|
return 5;
|
|
}
|
|
|
|
|
|
/* dissect age rating byte encoded as defined in
|
|
DVB-SI parental rating descriptor
|
|
returns rating's length in bytes or -1 for error */
|
|
static gint
|
|
dissect_rating(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
guint8 rating;
|
|
|
|
rating = tvb_get_guint8(tvb, offset);
|
|
if (1<=rating && rating<=0x0F) {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_rating,
|
|
tvb, offset, 1, rating,
|
|
"Rating is %d years (%d+3)", rating+3, rating);
|
|
} else {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_rating,
|
|
tvb, offset, 1, rating,
|
|
"Rating is unknown/undefined (%d)", rating);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* dissect a connection_descriptor for the lsc resource
|
|
returns its length or -1 for error */
|
|
static gint
|
|
dissect_conn_desc(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *conn_desc_tree = NULL;
|
|
guint32 tag;
|
|
gint offset_start, offset_body;
|
|
gint len_field;
|
|
guint8 conn_desc_type;
|
|
guint8 ip_ver, ip_proto;
|
|
guint16 port;
|
|
proto_item *port_item = NULL;
|
|
gint hostname_len;
|
|
|
|
offset_start = offset;
|
|
|
|
tag = tvb_get_ntoh24(tvb, offset);
|
|
if (tag!= T_CONNECTION_DESCRIPTOR)
|
|
return 0;
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb,
|
|
offset_start, -1, "Connection descriptor");
|
|
conn_desc_tree = proto_item_add_subtree(ti, ett_dvbci_lsc_conn_desc);
|
|
}
|
|
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_apdu_tag,
|
|
tvb, offset, APDU_TAG_SIZE, ENC_BIG_ENDIAN);
|
|
offset += APDU_TAG_SIZE;
|
|
offset = dissect_ber_length(pinfo, conn_desc_tree,
|
|
tvb, offset, &len_field, NULL);
|
|
offset_body = offset;
|
|
|
|
conn_desc_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_conn_desc_type,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
if (conn_desc_type == CONN_DESC_IP) {
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_media_tag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_media_len,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
ip_ver = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_ip_ver,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
if (ip_ver == LSC_IPV4) {
|
|
offset += FT_IPv6_LEN-FT_IPv4_LEN;
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_ipv4_addr,
|
|
tvb, offset, FT_IPv4_LEN, ENC_BIG_ENDIAN);
|
|
offset += FT_IPv4_LEN;
|
|
}
|
|
else if (ip_ver == LSC_IPV6) {
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_ipv6_addr,
|
|
tvb, offset, FT_IPv6_LEN, ENC_NA);
|
|
offset += FT_IPv6_LEN;
|
|
}
|
|
else
|
|
offset += FT_IPv6_LEN;
|
|
|
|
port = tvb_get_ntohs(tvb, offset);
|
|
port_item = proto_tree_add_item(conn_desc_tree,
|
|
hf_dvbci_lsc_dst_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset +=2;
|
|
ip_proto = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_proto,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset ++;
|
|
|
|
if (port_item) {
|
|
if (ip_proto==LSC_TCP && get_tcp_port(port)) {
|
|
proto_item_append_text(port_item, " (%s)",
|
|
get_tcp_port(port));
|
|
}
|
|
else if (ip_proto==LSC_UDP && get_udp_port(port)) {
|
|
proto_item_append_text(port_item, " (%s)",
|
|
get_udp_port(port));
|
|
}
|
|
}
|
|
} else if (conn_desc_type == CONN_DESC_HOSTNAME) {
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_media_tag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_media_len,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
ip_proto = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_proto,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset ++;
|
|
port = tvb_get_ntohs(tvb, offset);
|
|
port_item = proto_tree_add_item(conn_desc_tree,
|
|
hf_dvbci_lsc_dst_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset +=2;
|
|
if (port_item) {
|
|
if (ip_proto==LSC_TCP && get_tcp_port(port)) {
|
|
proto_item_append_text(port_item, " (%s)",
|
|
get_tcp_port(port));
|
|
}
|
|
else if (ip_proto==LSC_UDP && get_udp_port(port)) {
|
|
proto_item_append_text(port_item, " (%s)",
|
|
get_udp_port(port));
|
|
}
|
|
}
|
|
/* everything from here to the descriptor's end is a hostname */
|
|
hostname_len = (offset_body+len_field)-offset;
|
|
proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_hostname,
|
|
tvb, offset, hostname_len, ENC_ASCII|ENC_NA);
|
|
offset += hostname_len;
|
|
} else {
|
|
proto_tree_add_text(conn_desc_tree, tvb,
|
|
offset, len_field-1, "media specific data");
|
|
offset += len_field-1;
|
|
}
|
|
|
|
if (ti)
|
|
proto_item_set_len(ti, offset-offset_start);
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
|
|
/* dissect an item from cc_data_req/cc_data_cnf,
|
|
returns its length or -1 for error */
|
|
static gint
|
|
dissect_cc_item(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *cc_item_tree = NULL;
|
|
gint offset_start;
|
|
guint16 dat_len;
|
|
guint8 dat_id;
|
|
asn1_ctx_t asn1_ctx;
|
|
int hf_cert_index;
|
|
guint8 emi;
|
|
guint16 prog_num;
|
|
|
|
|
|
offset_start = offset;
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb, offset_start, -1, "CC data item");
|
|
cc_item_tree = proto_item_add_subtree(ti, ett_dvbci_cc_item);
|
|
}
|
|
dat_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_cc_dat_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
dat_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_text(cc_item_tree, tvb, offset, 2, "Length: %d", dat_len);
|
|
offset += 2;
|
|
switch (dat_id) {
|
|
case CC_ID_HOST_BRAND_CERT:
|
|
case CC_ID_CICAM_BRAND_CERT:
|
|
case CC_ID_HOST_DEV_CERT:
|
|
case CC_ID_CICAM_DEV_CERT:
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
hf_cert_index = (dat_id==CC_ID_HOST_BRAND_CERT ||
|
|
dat_id==CC_ID_CICAM_BRAND_CERT) ?
|
|
hf_dvbci_brand_cert : hf_dvbci_dev_cert;
|
|
dissect_x509af_Certificate(FALSE, tvb, offset,
|
|
&asn1_ctx, cc_item_tree, hf_cert_index);
|
|
break;
|
|
case CC_ID_URI:
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "URI");
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_uri_ver,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_uri_aps,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
emi = (tvb_get_guint8(tvb, offset+1) & 0x30) >> 4;
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_uri_emi,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "EMI 0x%x", emi);
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_uri_ict,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
if (emi==0) {
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_uri_rct,
|
|
tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
/* digital only token and retention limit will be added */
|
|
break;
|
|
case CC_ID_PROG_NUM:
|
|
prog_num = tvb_get_ntohs(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"Program number 0x%x", prog_num);
|
|
break;
|
|
case CC_ID_KEY_REGISTER:
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_cc_key_register,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case CC_ID_STATUS_FIELD:
|
|
case CC_ID_REC_START_STATUS:
|
|
case CC_ID_MODE_CHG_STATUS:
|
|
case CC_ID_REC_STOP_STATUS:
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_cc_status_field,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case CC_ID_OPERATING_MODE:
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_cc_op_mode,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_item(cc_item_tree, hf_dvbci_cc_data,
|
|
tvb, offset, dat_len, ENC_NA);
|
|
break;
|
|
}
|
|
offset += dat_len;
|
|
if (ti)
|
|
proto_item_set_len(ti, offset-offset_start);
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
|
|
static gint
|
|
dissect_cc_data_payload(guint32 tag, tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
guint8 i, snd_dat_nbr, req_dat_nbr;
|
|
gint item_len;
|
|
|
|
offset_start = offset;
|
|
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_cc_sys_id_bitmask, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
snd_dat_nbr = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Number of sent data items: %d", snd_dat_nbr);
|
|
offset++;
|
|
for(i=0; i<snd_dat_nbr &&
|
|
tvb_reported_length_remaining(tvb, offset)>0; i++) {
|
|
item_len = dissect_cc_item(tvb, offset, pinfo, tree);
|
|
if (item_len < 0)
|
|
return -1;
|
|
offset += item_len;
|
|
}
|
|
if (tag==T_CC_DATA_REQ || tag==T_CC_SAC_DATA_REQ) {
|
|
req_dat_nbr = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Number of requested data items: %d", req_dat_nbr);
|
|
offset++;
|
|
for(i=0; i<req_dat_nbr &&
|
|
tvb_reported_length_remaining(tvb, offset)>0; i++) {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_cc_dat_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
return offset-offset_start;
|
|
}
|
|
|
|
|
|
#ifdef HAVE_LIBGCRYPT
|
|
/* convert a 0-terminated preference key_string that contains a hex number
|
|
* into its binary representation
|
|
* e.g. key_string "abcd" will be converted into two bytes 0xab, 0xcd
|
|
* return the number of binary bytes or -1 for error */
|
|
static gint
|
|
pref_key_string_to_bin(const gchar *key_string, unsigned char **key_bin)
|
|
{
|
|
int key_string_len;
|
|
int i, j;
|
|
char input[2];
|
|
|
|
if (!key_string || !key_bin)
|
|
return -1;
|
|
key_string_len = (int)strlen(key_string);
|
|
if (key_string_len != 2*AES_KEY_LEN)
|
|
return -1;
|
|
*key_bin = (unsigned char*)g_malloc(key_string_len/2);
|
|
|
|
j=0;
|
|
for (i=0; i<key_string_len-1; i+=2) {
|
|
input[0] = key_string[0+i];
|
|
input[1] = key_string[1+i];
|
|
/* attention, brackets are required */
|
|
(*key_bin)[j++] = (unsigned char)strtoul((const char*)&input, NULL, 16);
|
|
}
|
|
|
|
return key_string_len/2;
|
|
}
|
|
|
|
|
|
static tvbuff_t *
|
|
decrypt_sac_msg_body(
|
|
guint8 enc_cip, tvbuff_t *encrypted_tvb, gint offset, gint len)
|
|
{
|
|
gint ret;
|
|
gboolean opened = FALSE;
|
|
gcry_cipher_hd_t cipher;
|
|
gcry_error_t err;
|
|
gint clear_len;
|
|
unsigned char *clear_data = NULL;
|
|
tvbuff_t *clear_tvb = NULL;
|
|
unsigned char *sek = NULL, *siv = NULL;
|
|
|
|
if (enc_cip != CC_SAC_ENC_AES128_CBC)
|
|
goto end;
|
|
if (len%AES_BLOCK_LEN != 0)
|
|
goto end;
|
|
|
|
ret = pref_key_string_to_bin(dvbci_sek, &sek);
|
|
if (ret==-1)
|
|
goto end;
|
|
ret = pref_key_string_to_bin(dvbci_siv, &siv);
|
|
if (ret==-1)
|
|
goto end;
|
|
|
|
err = gcry_cipher_open(&cipher, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_CBC, 0);
|
|
if (gcry_err_code (err))
|
|
goto end;
|
|
opened = TRUE;
|
|
err = gcry_cipher_setkey (cipher, sek, AES_KEY_LEN);
|
|
if (gcry_err_code (err))
|
|
goto end;
|
|
err = gcry_cipher_setiv (cipher, siv, AES_BLOCK_LEN);
|
|
if (gcry_err_code (err))
|
|
goto end;
|
|
|
|
clear_len = len;
|
|
clear_data = g_malloc(clear_len);
|
|
|
|
err = gcry_cipher_decrypt (cipher, clear_data, clear_len,
|
|
tvb_get_ephemeral_string(encrypted_tvb, offset, len), len);
|
|
if (gcry_err_code (err))
|
|
goto end;
|
|
|
|
clear_tvb = tvb_new_child_real_data(encrypted_tvb,
|
|
(const guint8 *)clear_data, clear_len, clear_len);
|
|
tvb_set_free_cb(clear_tvb, g_free);
|
|
|
|
end:
|
|
if (opened)
|
|
gcry_cipher_close (cipher);
|
|
if (sek)
|
|
g_free(sek);
|
|
if (siv)
|
|
g_free(siv);
|
|
if (!clear_tvb && clear_data)
|
|
g_free(clear_data);
|
|
return clear_tvb;
|
|
}
|
|
|
|
#else
|
|
/* HAVE_LIBGRYPT is not set */
|
|
static tvbuff_t *
|
|
decrypt_sac_msg_body(guint8 enc_cip _U_,
|
|
tvbuff_t *encrypted_tvb _U_, gint offset _U_, gint len _U_)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/* dissect a text string that is encoded according to DVB-SI (EN 300 468) */
|
|
static void
|
|
dissect_si_string(tvbuff_t *tvb, gint offset, gint str_len,
|
|
packet_info *pinfo, proto_tree *tree, const gchar *title,
|
|
gboolean show_col_info)
|
|
{
|
|
guint8 byte0;
|
|
guint8 *si_str = NULL;
|
|
proto_item *pi;
|
|
|
|
if (!title) /* we always have a title for our strings */
|
|
return;
|
|
if (str_len==0)
|
|
return;
|
|
|
|
byte0 = tvb_get_guint8(tvb, offset);
|
|
if (byte0>=0x01 && byte0<=0x0F) {
|
|
proto_tree_add_item(tree, hf_dvbci_char_tbl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
str_len--;
|
|
}
|
|
else if (byte0>=0x10 && byte0 <= 0x1F) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Invalid/unsupported character table");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Character tables with multi-byte encoding are not supported");
|
|
offset++;
|
|
str_len--;
|
|
proto_tree_add_text(tree, tvb, offset, str_len, "encoded text");
|
|
return;
|
|
}
|
|
/* for now, control characters are supported only at the beginning
|
|
* of a string (this should cover all cases found in practice) */
|
|
else if (byte0>=0x80 && byte0<=0x9F) {
|
|
proto_tree_add_item(tree, hf_dvbci_text_ctrl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
str_len--;
|
|
}
|
|
|
|
si_str = tvb_get_ephemeral_string(tvb, offset, str_len);
|
|
if (!si_str)
|
|
return;
|
|
|
|
proto_tree_add_text(tree, tvb, offset, str_len, "%s: %s", title, si_str);
|
|
if (show_col_info)
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ", "%s", si_str);
|
|
}
|
|
|
|
|
|
/* dissect ca_enable_flag and ca_enable fields in the ca_pmt_reply
|
|
* return true if descrambling is possible, false otherwise */
|
|
static gboolean
|
|
dissect_ca_enable(tvbuff_t *tvb, gint offset, packet_info *pinfo _U_,
|
|
proto_tree *tree)
|
|
{
|
|
gboolean desc_ok = FALSE;
|
|
guint8 byte, ca_enab;
|
|
|
|
byte = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(tree, hf_dvbci_ca_enable_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (byte&0x80) {
|
|
ca_enab = byte & ~0x80;
|
|
proto_tree_add_item(tree, hf_dvbci_ca_enable, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (ca_enab==CA_ENAB_DESC_OK ||
|
|
ca_enab==CA_ENAB_DESC_OK_PURCHASE ||
|
|
ca_enab==CA_ENAB_DESC_OK_TECH) {
|
|
desc_ok = TRUE;
|
|
}
|
|
}
|
|
|
|
return desc_ok;
|
|
}
|
|
|
|
|
|
/* dissect a ca descriptor in the ca_pmt */
|
|
static gint
|
|
dissect_ca_desc(tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
proto_item *pi;
|
|
guint8 tag, len_byte;
|
|
proto_item *ti = NULL;
|
|
proto_tree *ca_desc_tree = NULL;
|
|
|
|
offset_start = offset;
|
|
|
|
tag = tvb_get_guint8(tvb,offset);
|
|
if (tag != CA_DESC_TAG) {
|
|
/* we could skip unknown descriptors and make this a warning */
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1, "Invalid descriptor");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"The ca_pmt shall only contain ca descriptors (tag 0x9)");
|
|
return 0;
|
|
}
|
|
if (tree) {
|
|
ti = proto_tree_add_text(
|
|
tree, tvb, offset_start, -1, "Conditional Access descriptor");
|
|
ca_desc_tree = proto_item_add_subtree(ti, ett_dvbci_ca_desc);
|
|
}
|
|
offset++;
|
|
|
|
len_byte = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(
|
|
ca_desc_tree, hf_dvbci_descr_len, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(
|
|
ca_desc_tree, hf_dvbci_ca_sys_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(
|
|
ca_desc_tree, hf_dvbci_ca_pid, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
if ((len_byte-4) != 0) {
|
|
proto_tree_add_text(
|
|
ca_desc_tree, tvb, offset, len_byte-4, "private data");
|
|
offset += (len_byte-4);
|
|
}
|
|
|
|
if (ti)
|
|
proto_item_set_len(ti, offset-offset_start);
|
|
return offset-offset_start;
|
|
}
|
|
|
|
|
|
/* dissect an elementary stream entry in the ca_pmt */
|
|
static gint
|
|
dissect_es(tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *es_tree = NULL;
|
|
gint offset_start, ca_desc_len;
|
|
gint es_info_len, all_len;
|
|
|
|
offset_start = offset;
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(
|
|
tree, tvb, offset_start, -1, "Elementary Stream");
|
|
es_tree = proto_item_add_subtree(ti, ett_dvbci_application);
|
|
}
|
|
|
|
proto_tree_add_item(
|
|
es_tree, hf_dvbci_stream_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(
|
|
es_tree, hf_dvbci_es_pid, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
es_info_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
|
|
/* the definition of hf_dvbci_es_info_len also applies the mask */
|
|
proto_tree_add_item(
|
|
es_tree, hf_dvbci_es_info_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (es_info_len != 0) {
|
|
all_len = offset + es_info_len;
|
|
|
|
proto_tree_add_item(
|
|
es_tree, hf_dvbci_ca_pmt_cmd_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
while (offset < all_len) {
|
|
ca_desc_len = dissect_ca_desc(tvb, offset, pinfo, es_tree);
|
|
if (ca_desc_len <= 0)
|
|
return -1;
|
|
offset += ca_desc_len;
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_text(
|
|
es_tree, tvb, 0, 0,
|
|
"No CA descriptors for this elementary stream");
|
|
}
|
|
|
|
if (ti)
|
|
proto_item_set_len(ti, offset-offset_start);
|
|
return offset-offset_start;
|
|
}
|
|
|
|
/* dissect a text pseudo-apdu */
|
|
static gint
|
|
dissect_dvbci_text(const gchar *title, tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *text_tree;
|
|
guint32 tag;
|
|
gint offset_start;
|
|
gint len_field;
|
|
|
|
offset_start = offset;
|
|
|
|
if (!title)
|
|
return 0;
|
|
|
|
/* check the tag before setting up the tree */
|
|
tag = tvb_get_ntoh24(tvb, offset);
|
|
if (tag!=T_TEXT_LAST && tag!=T_TEXT_MORE)
|
|
return 0;
|
|
|
|
ti = proto_tree_add_text(tree, tvb, offset_start, -1, "%s", title);
|
|
text_tree = proto_item_add_subtree(ti, ett_dvbci_text);
|
|
|
|
proto_tree_add_item(text_tree, hf_dvbci_apdu_tag,
|
|
tvb, offset, APDU_TAG_SIZE, ENC_BIG_ENDIAN);
|
|
offset += APDU_TAG_SIZE;
|
|
offset = dissect_ber_length(pinfo, text_tree, tvb, offset, &len_field, NULL);
|
|
dissect_si_string(tvb, offset, len_field, pinfo, text_tree, "Text", FALSE);
|
|
offset += len_field;
|
|
|
|
if (ti)
|
|
proto_item_set_len(ti, offset-offset_start);
|
|
return (offset-offset_start);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_res_id(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree, guint32 res_id,
|
|
gboolean show_col_info)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *res_tree = NULL;
|
|
|
|
if (show_col_info) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "%s Version %d",
|
|
val_to_str_const(RES_CLASS(res_id), dvbci_res_class,
|
|
"Invalid Resource class"),
|
|
RES_VER(res_id));
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(
|
|
tree, tvb, offset, RES_ID_LEN, "Resource ID: 0x%04x", res_id);
|
|
|
|
res_tree = proto_item_add_subtree(ti, ett_dvbci_res);
|
|
|
|
proto_tree_add_text(res_tree, tvb, 0, 0, "%s",
|
|
decode_numeric_bitfield(res_id, RES_ID_TYPE_MASK, 32,
|
|
"Resource ID Type: 0x%x"));
|
|
proto_tree_add_text(res_tree, tvb, 0, 0, "%s",
|
|
decode_enumerated_bitfield_shifted(res_id, RES_CLASS_MASK, 32,
|
|
dvbci_res_class, "Resource Class: %s"));
|
|
proto_tree_add_text(res_tree, tvb, 0, 0, "%s",
|
|
decode_numeric_bitfield(res_id, RES_TYPE_MASK, 32,
|
|
"Resource Type: 0x%x"));
|
|
proto_tree_add_text(res_tree, tvb, 0, 0, "%s",
|
|
decode_numeric_bitfield(res_id, RES_VER_MASK, 32,
|
|
"Resource Version: 0x%x"));
|
|
}
|
|
}
|
|
|
|
/* dissect the body of a resource manager apdu */
|
|
static void
|
|
dissect_dvbci_payload_rm(guint32 tag, gint len_field,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
const gchar *tag_str;
|
|
proto_item *pi;
|
|
guint32 res_id;
|
|
|
|
if (tag==T_PROFILE) {
|
|
if (len_field % RES_ID_LEN) {
|
|
tag_str = val_to_str(tag, dvbci_apdu_tag, "Unknown: %d");
|
|
pi = proto_tree_add_text(tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid APDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field for %s must be a multiple of 4 bytes",
|
|
tag_str);
|
|
return;
|
|
}
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
res_id = tvb_get_ntohl(tvb, offset);
|
|
dissect_dvbci_res_id(tvb, offset, pinfo, tree, res_id, FALSE);
|
|
offset += RES_ID_LEN;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_dvbci_payload_ap(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 menu_str_len;
|
|
guint8 *menu_string;
|
|
guint8 data_rate;
|
|
|
|
if (tag==T_APP_INFO) {
|
|
proto_tree_add_item(tree, hf_dvbci_app_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_app_manf, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_manf_code, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
menu_str_len = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_menu_str_len, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* ephemeral -> string is freed automatically when dissection
|
|
of this packet is finished
|
|
tvb_get_ephemeral_string() always returns a 0-terminated string */
|
|
menu_string = tvb_get_ephemeral_string(tvb, offset, menu_str_len);
|
|
if (menu_string) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"Module name %s", menu_string);
|
|
proto_tree_add_text(tree, tvb, offset, menu_str_len,
|
|
"Menu string: %s", menu_string);
|
|
}
|
|
}
|
|
else if (tag== T_DATARATE_INFO) {
|
|
data_rate = tvb_get_guint8(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(data_rate, dvbci_data_rate, "unknown (0x%x)"));
|
|
proto_tree_add_item(tree, hf_dvbci_data_rate, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_dvbci_payload_ca(guint32 tag, gint len_field,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
const gchar *tag_str;
|
|
proto_item *pi;
|
|
guint16 prog_num;
|
|
guint8 byte;
|
|
guint prog_info_len;
|
|
gint es_info_len, all_len;
|
|
gint ca_desc_len;
|
|
proto_tree *es_tree = NULL;
|
|
gboolean desc_ok = FALSE;
|
|
|
|
|
|
if (tag==T_CA_INFO) {
|
|
if (len_field % 2) {
|
|
tag_str = val_to_str(tag, dvbci_apdu_tag, "Unknown: %d");
|
|
pi = proto_tree_add_text(tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid APDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field for %s must be a multiple of 2 bytes",
|
|
tag_str);
|
|
return;
|
|
}
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_ca_sys_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
}
|
|
else if (tag==T_CA_PMT) {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_ca_pmt_list_mgmt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
prog_num = tvb_get_ntohs(tvb, offset);
|
|
col_append_sep_fstr(
|
|
pinfo->cinfo, COL_INFO, NULL, "Program number %x", prog_num);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_prog_num, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
byte = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Version number: 0x%x, Current-next indicator: 0x%x",
|
|
(byte&0x3E) >> 1, byte&0x01);
|
|
offset++;
|
|
prog_info_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
|
|
/* the definition of hf_dvbci_prog_info_len also applies the mask */
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_prog_info_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (prog_info_len != 0) {
|
|
all_len = offset + prog_info_len;
|
|
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_ca_pmt_cmd_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
while (offset < all_len) {
|
|
ca_desc_len = dissect_ca_desc(tvb, offset, pinfo, tree);
|
|
if (ca_desc_len <= 0)
|
|
return;
|
|
offset += ca_desc_len;
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_text(
|
|
tree, tvb, 0, 0, "No CA descriptors at program level");
|
|
}
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
es_info_len = dissect_es(tvb, offset, pinfo, tree);
|
|
if (es_info_len <= 0)
|
|
return;
|
|
offset += es_info_len;
|
|
}
|
|
}
|
|
else if (tag==T_CA_PMT_REPLY) {
|
|
prog_num = tvb_get_ntohs(tvb, offset);
|
|
col_append_sep_fstr(
|
|
pinfo->cinfo, COL_INFO, NULL, "Program number %x", prog_num);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_prog_num, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
byte = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Version number: 0x%x, Current-next indicator: 0x%x",
|
|
(byte&0x3E) >> 1, byte&0x01);
|
|
offset++;
|
|
desc_ok |= dissect_ca_enable(tvb, offset, pinfo, tree);
|
|
offset++;
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
/* there's no need to check for tree==NULL */
|
|
pi = proto_tree_add_text(tree, tvb, offset, 3, "Elementary Stream");
|
|
es_tree = proto_item_add_subtree(pi, ett_dvbci_application);
|
|
|
|
proto_tree_add_item(es_tree, hf_dvbci_es_pid,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
desc_ok |= dissect_ca_enable(tvb, offset, pinfo, es_tree);
|
|
offset++;
|
|
}
|
|
if (desc_ok) {
|
|
col_append_sep_fstr(
|
|
pinfo->cinfo, COL_INFO, NULL, "descrambling possible");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_hc(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
proto_item *pi;
|
|
guint16 nid, onid, tsid, svcid;
|
|
guint8 ref;
|
|
guint16 old_pid, new_pid;
|
|
gboolean pmt_flag;
|
|
gint desc_loop_len;
|
|
guint8 status;
|
|
|
|
|
|
switch (tag) {
|
|
case T_TUNE:
|
|
nid = tvb_get_ntohs(tvb, offset);
|
|
pi = proto_tree_add_item(
|
|
tree, hf_dvbci_network_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
if (nid) {
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_NOTE,
|
|
"Network ID is usually ignored by hosts");
|
|
}
|
|
offset += 2;
|
|
onid = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_original_network_id,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
tsid = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_transport_stream_id,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
svcid = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_service_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"nid 0x%x, onid 0x%x, tsid 0x%x, svcid 0x%x",
|
|
nid, onid, tsid, svcid);
|
|
break;
|
|
case T_REPLACE:
|
|
ref = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_replacement_ref,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
old_pid = tvb_get_ntohs(tvb, offset) & 0x1FFF;
|
|
proto_tree_add_item(tree, hf_dvbci_replaced_pid,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
new_pid = tvb_get_ntohs(tvb, offset) & 0x1FFF;
|
|
proto_tree_add_item( tree, hf_dvbci_replacement_pid,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"ref 0x%x, 0x%x -> 0x%x", ref, old_pid, new_pid);
|
|
break;
|
|
case T_CLEAR_REPLACE:
|
|
ref = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_replacement_ref,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "ref 0x%x", ref);
|
|
break;
|
|
case T_TUNE_BROADCAST_REQ:
|
|
pmt_flag = ((tvb_get_guint8(tvb, offset) & 0x01) == 0x01);
|
|
proto_tree_add_item(tree, hf_dvbci_pmt_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_service_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
desc_loop_len = dissect_desc_loop(
|
|
hf_dvbci_hc_desc_loop_len, hf_dvbci_hc_desc_loop,
|
|
tvb, offset, pinfo, tree);
|
|
if (desc_loop_len<0)
|
|
break;
|
|
offset += desc_loop_len;
|
|
if (pmt_flag) {
|
|
/* no need for len check, missing field is handled internally */
|
|
proto_tree_add_item(tree, hf_dvbci_hc_pmt, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
break;
|
|
case T_TUNE_REPLY:
|
|
status = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_hc_status,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
(status == HC_STAT_OK ? "ok" : "error"));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_dt(guint32 tag, gint len_field,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
nstime_t resp_intv;
|
|
proto_item *pi = NULL;
|
|
const gchar *tag_str;
|
|
gint time_field_len;
|
|
nstime_t utc_time;
|
|
gint16 local_offset; /* field in the apdu */
|
|
|
|
|
|
if (tag==T_DATE_TIME_ENQ) {
|
|
nstime_set_zero(&resp_intv);
|
|
resp_intv.secs = tvb_get_guint8(tvb, offset);
|
|
pi = proto_tree_add_time_format(tree, hf_dvbci_resp_intv,
|
|
tvb, offset, 1, &resp_intv, "Response interval is %s",
|
|
rel_time_to_str(&resp_intv));
|
|
if (resp_intv.secs==0) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "individual query");
|
|
if (pi)
|
|
proto_item_append_text(pi, " (individual query)");
|
|
}
|
|
else {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"update every %s", rel_time_to_str(&resp_intv));
|
|
}
|
|
}
|
|
else if (tag==T_DATE_TIME) {
|
|
if (len_field!=5 && len_field!=7) {
|
|
tag_str = match_strval(tag, dvbci_apdu_tag);
|
|
pi = proto_tree_add_text(tree, tvb, APDU_TAG_SIZE, offset-APDU_TAG_SIZE,
|
|
"Invalid APDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field for %s must be 5 or 7 bytes", tag_str);
|
|
return;
|
|
}
|
|
|
|
time_field_len = read_utc_time(tvb, offset, &utc_time);
|
|
if (time_field_len<0) {
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, offset, 5, "Invalid UTC time field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"2 bytes MJD, 3 bytes BCD time hhmmss");
|
|
return;
|
|
}
|
|
proto_tree_add_time_format(tree, hf_dvbci_utc_time,
|
|
tvb, offset, time_field_len, &utc_time,
|
|
"%s UTC", abs_time_to_str(&utc_time, ABSOLUTE_TIME_UTC, FALSE));
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s UTC",
|
|
abs_time_to_str(&utc_time, ABSOLUTE_TIME_UTC, FALSE));
|
|
offset += time_field_len;
|
|
|
|
if (len_field==7) {
|
|
local_offset = two_comp_to_int16(tvb_get_ntohs(tvb, offset));
|
|
proto_tree_add_int_format(tree, hf_dvbci_local_offset,
|
|
tvb, offset, 2, local_offset,
|
|
"offset between UTC and local time is %d minutes",
|
|
local_offset);
|
|
}
|
|
else {
|
|
proto_tree_add_text(tree, tvb, 0, 0,
|
|
"Offset between UTC and local time is unknown");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_mmi(guint32 tag, gint len_field,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
proto_item *pi;
|
|
guint8 close_mmi_cmd_id;
|
|
guint8 disp_ctl_cmd, disp_rep_id;
|
|
const gchar *disp_ctl_cmd_str = NULL, *disp_rep_id_str = NULL;
|
|
guint8 ans_txt_len;
|
|
guint8 ans_id;
|
|
guint8 choice_or_item_nb;
|
|
gint text_len;
|
|
guint8 choice_ref;
|
|
|
|
|
|
offset_start = offset;
|
|
|
|
switch(tag) {
|
|
case T_CLOSE_MMI:
|
|
close_mmi_cmd_id = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(tree, hf_dvbci_close_mmi_cmd_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* apdu layer len field checks are sufficient for "immediate" */
|
|
if (close_mmi_cmd_id == CLOSE_MMI_CMD_ID_DELAY) {
|
|
if (len_field != 2) {
|
|
pi = proto_tree_add_text(tree, tvb,
|
|
APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE,
|
|
"Length field mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field must be 2");
|
|
return;
|
|
}
|
|
proto_tree_add_item(tree, hf_dvbci_close_mmi_delay, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case T_DISPLAY_CONTROL:
|
|
disp_ctl_cmd = tvb_get_guint8(tvb,offset);
|
|
disp_ctl_cmd_str = val_to_str(disp_ctl_cmd,
|
|
dvbci_disp_ctl_cmd, "unknown command");
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"%s", disp_ctl_cmd_str);
|
|
proto_tree_add_item(tree, hf_dvbci_disp_ctl_cmd, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
if (disp_ctl_cmd == DISP_CMD_SET_MMI_MODE)
|
|
{
|
|
proto_tree_add_item(tree, hf_dvbci_mmi_mode, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
if (len_field != 2) {
|
|
pi = proto_tree_add_text(tree, tvb,
|
|
APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE,
|
|
"Length field mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field must be 2");
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
case T_DISPLAY_REPLY:
|
|
disp_rep_id = tvb_get_guint8(tvb,offset);
|
|
disp_rep_id_str = val_to_str(disp_rep_id,
|
|
dvbci_disp_rep_id, "unknown command");
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"%s", disp_rep_id_str);
|
|
proto_tree_add_item(tree, hf_dvbci_disp_rep_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
if (disp_rep_id == DISP_REP_ID_MMI_MODE_ACK) {
|
|
proto_tree_add_item(tree, hf_dvbci_mmi_mode,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else if (disp_rep_id == DISP_REP_ID_DISP_CHAR_TBL ||
|
|
disp_rep_id == DISP_REP_ID_INP_CHAR_TBL) {
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(tree, hf_dvbci_char_tbl,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
}
|
|
}
|
|
break;
|
|
case T_ENQ:
|
|
proto_tree_add_item(tree, hf_dvbci_blind_ans,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
ans_txt_len = tvb_get_guint8(tvb,offset);
|
|
if (ans_txt_len == NB_UNKNOWN) {
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Length of expected answer is unknown");
|
|
}
|
|
else
|
|
proto_tree_add_item(tree, hf_dvbci_ans_txt_len,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
dissect_si_string(tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset),
|
|
pinfo, tree, "Enquiry string", FALSE);
|
|
break;
|
|
case T_ANSW:
|
|
ans_id = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(tree, hf_dvbci_ans_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
if (ans_id == ANSW_ID_ANSWER) {
|
|
dissect_si_string(tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset),
|
|
pinfo, tree, "Answer", TRUE);
|
|
}
|
|
break;
|
|
case T_MENU_LAST:
|
|
case T_MENU_MORE:
|
|
case T_LIST_LAST:
|
|
case T_LIST_MORE:
|
|
choice_or_item_nb = tvb_get_guint8(tvb,offset);
|
|
if (choice_or_item_nb == NB_UNKNOWN)
|
|
{
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Number of items is unknown");
|
|
}
|
|
else
|
|
{
|
|
if (IS_MENU_APDU(tag)) {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_choice_nb, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_item_nb, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
offset++;
|
|
text_len = dissect_dvbci_text("Title", tvb, offset, pinfo, tree);
|
|
offset += text_len;
|
|
text_len = dissect_dvbci_text("Sub-title", tvb, offset, pinfo, tree);
|
|
offset += text_len;
|
|
text_len = dissect_dvbci_text("Bottom line", tvb, offset, pinfo, tree);
|
|
offset += text_len;
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
text_len = dissect_dvbci_text("Item", tvb, offset, pinfo, tree);
|
|
/* minimum is apdu tag + 1 byte len field */
|
|
if (text_len<APDU_TAG_SIZE+1) {
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, offset, -1, "Invalid item");
|
|
expert_add_info_format(
|
|
pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Items must be text_more() or text_last() objects");
|
|
return;
|
|
}
|
|
offset += text_len;
|
|
}
|
|
break;
|
|
case T_MENU_ANSW:
|
|
choice_ref = tvb_get_guint8(tvb,offset);
|
|
if (choice_ref == 0x0) {
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Selection was cancelled.");
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"cancelled");
|
|
}
|
|
else {
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_choice_ref, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"Item %d", choice_ref);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_hlc(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 *str;
|
|
|
|
if (tag==T_HOST_COUNTRY) {
|
|
proto_tree_add_item(tree, hf_dvbci_host_country,
|
|
tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII|ENC_NA);
|
|
}
|
|
else if (tag==T_HOST_LANGUAGE) {
|
|
proto_tree_add_item(tree, hf_dvbci_host_language,
|
|
tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII|ENC_NA);
|
|
}
|
|
|
|
/* both apdus' body is only a country code, this can be shared */
|
|
str = tvb_get_ephemeral_string(tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset));
|
|
if (str)
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s", str);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_cup(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 upgrade_type;
|
|
guint16 download_time;
|
|
guint8 answer, progress;
|
|
proto_item *pi;
|
|
|
|
switch(tag) {
|
|
case T_CAM_FIRMWARE_UPGRADE:
|
|
upgrade_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_cup_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ", "(%s)",
|
|
val_to_str(upgrade_type, dvbci_cup_type, "unknown"));
|
|
offset++;
|
|
download_time = tvb_get_ntohs(tvb, offset);
|
|
if (download_time == 0) {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_cup_download_time,
|
|
tvb, offset, 2, download_time,
|
|
"estimated download time is unknown");
|
|
}
|
|
else {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_cup_download_time,
|
|
tvb, offset, 2, download_time,
|
|
"estimated download time is %d seconds",
|
|
download_time);
|
|
}
|
|
break;
|
|
case T_CAM_FIRMWARE_UPGRADE_REPLY:
|
|
answer = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_cup_answer, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(answer, dvbci_cup_answer, "unknown"));
|
|
break;
|
|
case T_CAM_FIRMWARE_UPGRADE_PROGRESS:
|
|
progress = tvb_get_guint8(tvb, offset);
|
|
if (progress > 100) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Invalid value for progress");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"progress is in percent, value must be between 0 and 100");
|
|
}
|
|
else {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%d%%", progress);
|
|
proto_tree_add_uint_format(tree, hf_dvbci_cup_progress,
|
|
tvb, offset, 1, progress,
|
|
"download progress %d%%", progress);
|
|
}
|
|
break;
|
|
case T_CAM_FIRMWARE_UPGRADE_COMPLETE:
|
|
proto_tree_add_item(tree, hf_dvbci_cup_reset, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_cc(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 status;
|
|
guint32 msg_ctr;
|
|
guint8 enc_flag, enc_cip;
|
|
proto_item *pi = NULL, *ti;
|
|
guint16 sac_payload_len; /* payload data and padding */
|
|
gint sac_payload_data_len = 0; /* just payload data */
|
|
tvbuff_t *clear_sac_body_tvb;
|
|
proto_tree *sac_tree = NULL;
|
|
nstime_t utc_time;
|
|
guint8 pin_stat;
|
|
guint8 evt_cent;
|
|
|
|
switch(tag) {
|
|
case T_CC_OPEN_CNF:
|
|
proto_tree_add_item(tree, hf_dvbci_cc_sys_id_bitmask,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case T_CC_DATA_REQ:
|
|
case T_CC_DATA_CNF:
|
|
dissect_cc_data_payload(tag, tvb, offset, pinfo, tree);
|
|
break;
|
|
case T_CC_SYNC_CNF:
|
|
status = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_cc_status_field, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(status, dvbci_cc_status, "unknown"));
|
|
break;
|
|
case T_CC_SAC_DATA_REQ:
|
|
case T_CC_SAC_DATA_CNF:
|
|
case T_CC_SAC_SYNC_REQ:
|
|
case T_CC_SAC_SYNC_CNF:
|
|
/* it's not useful to move sac header dissection to a separate
|
|
function, we need enc/auth cipher etc here to handle the body */
|
|
msg_ctr = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_msg_ctr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"message #%d", msg_ctr);
|
|
offset += 4;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_proto_ver, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_auth_cip, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
enc_flag = tvb_get_guint8(tvb, offset) & 0x1;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_payload_enc, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (enc_flag)
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "encrypted");
|
|
offset++;
|
|
enc_cip = (tvb_get_guint8(tvb, offset)&0xE0) >> 5;
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_enc_cip, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
sac_payload_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_sac_payload_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (tvb_reported_length_remaining(tvb, offset) < 0)
|
|
break;
|
|
if (!enc_flag) {
|
|
pi = proto_tree_add_text(tree, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset),
|
|
"Invalid CI+ SAC message body");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"SAC message body must always be encrypted");
|
|
break;
|
|
}
|
|
clear_sac_body_tvb = decrypt_sac_msg_body(enc_cip,
|
|
tvb, offset, tvb_reported_length_remaining(tvb, offset));
|
|
if (!clear_sac_body_tvb) {
|
|
/* we could not decrypt the sac message body */
|
|
proto_tree_add_item(tree, hf_dvbci_sac_enc_body, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
break;
|
|
}
|
|
add_new_data_source(pinfo, clear_sac_body_tvb,
|
|
"Clear SAC message body");
|
|
if (sac_payload_len>0) {
|
|
ti = proto_tree_add_text(tree,
|
|
clear_sac_body_tvb, 0, sac_payload_len,
|
|
"SAC message payload");
|
|
sac_tree = proto_item_add_subtree(ti, ett_dvbci_sac_msg_body);
|
|
if (tag==T_CC_SAC_DATA_REQ || tag==T_CC_SAC_DATA_CNF) {
|
|
sac_payload_data_len = dissect_cc_data_payload(tag,
|
|
clear_sac_body_tvb, 0, pinfo, sac_tree);
|
|
}
|
|
else if (tag==T_CC_SAC_SYNC_REQ) {
|
|
sac_payload_data_len = 0;
|
|
}
|
|
else if (tag==T_CC_SAC_SYNC_CNF) {
|
|
proto_tree_add_item(sac_tree, hf_dvbci_cc_status_field,
|
|
clear_sac_body_tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
sac_payload_data_len = 1;
|
|
}
|
|
|
|
if (sac_payload_data_len < 0)
|
|
break;
|
|
if (sac_payload_len > sac_payload_data_len) {
|
|
proto_tree_add_text(sac_tree, clear_sac_body_tvb,
|
|
sac_payload_data_len,
|
|
sac_payload_len-sac_payload_data_len,
|
|
"padding");
|
|
}
|
|
}
|
|
proto_tree_add_item(tree, hf_dvbci_sac_signature,
|
|
clear_sac_body_tvb, sac_payload_len,
|
|
tvb_reported_length_remaining(clear_sac_body_tvb,
|
|
sac_payload_len), ENC_BIG_ENDIAN);
|
|
break;
|
|
case T_CC_PIN_CAPABILITIES_REPLY:
|
|
proto_tree_add_item(tree, hf_dvbci_capability_field,
|
|
tvb, offset, 1 , ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* we can't read_utc_time() and check with nstime_is_zero() */
|
|
if (tvb_get_ntoh40(tvb, offset) == 0) {
|
|
proto_tree_add_text(tree, tvb, offset, UTC_TIME_LEN,
|
|
"CICAM PIN has never been changed");
|
|
}
|
|
else {
|
|
if (read_utc_time(tvb, offset, &utc_time) < 0) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, UTC_TIME_LEN,
|
|
"Invalid UTC time field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"2 bytes MJD, 3 bytes BCD time hhmmss");
|
|
break;
|
|
}
|
|
else {
|
|
/* abs_time_to_str() never returns NULL */
|
|
proto_tree_add_time_format(tree, hf_dvbci_pin_chg_time,
|
|
tvb, offset, UTC_TIME_LEN, &utc_time,
|
|
"PIN change time %s UTC",
|
|
abs_time_to_str(&utc_time, ABSOLUTE_TIME_UTC, FALSE));
|
|
}
|
|
}
|
|
offset += UTC_TIME_LEN;
|
|
dissect_rating(tvb, offset, pinfo, tree);
|
|
break;
|
|
case T_CC_PIN_REPLY:
|
|
pin_stat = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_pincode_status,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(pin_stat, dvbci_pincode_status, "unknown"));
|
|
break;
|
|
case T_CC_PIN_EVENT:
|
|
proto_tree_add_item(tree, hf_dvbci_cc_prog_num,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_dvbci_pincode_status,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
dissect_rating(tvb, offset, pinfo, tree);
|
|
offset++;
|
|
if (read_utc_time(tvb, offset, &utc_time) < 0) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, UTC_TIME_LEN,
|
|
"Invalid UTC time field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"2 bytes MJD, 3 bytes BCD time hhmmss");
|
|
break;
|
|
}
|
|
else {
|
|
proto_tree_add_time_format(tree, hf_dvbci_pin_evt_time,
|
|
tvb, offset, UTC_TIME_LEN, &utc_time,
|
|
"PIN event time %s UTC",
|
|
abs_time_to_str(&utc_time, ABSOLUTE_TIME_UTC, FALSE));
|
|
}
|
|
offset += UTC_TIME_LEN;
|
|
evt_cent = tvb_get_guint8(tvb, offset);
|
|
if (evt_cent > 100) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Invalid value for event time centiseconds");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Value must be between 0 and 100");
|
|
}
|
|
proto_tree_add_item(tree, hf_dvbci_pin_evt_cent,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* length field was already checked by the caller */
|
|
proto_tree_add_item(tree, hf_dvbci_cc_priv_data, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
break;
|
|
case T_CC_PIN_PLAYBACK:
|
|
dissect_rating(tvb, offset, pinfo, tree);
|
|
offset++;
|
|
/* length field was already checked by the caller */
|
|
proto_tree_add_item(tree, hf_dvbci_cc_priv_data, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
break;
|
|
case T_CC_PIN_CMD:
|
|
case T_CC_PIN_MMI_REQ:
|
|
proto_tree_add_item(tree, hf_dvbci_pincode, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset),
|
|
ENC_ASCII|ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_ami(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 app_dom_id_len, init_obj_len;
|
|
guint8 *app_dom_id;
|
|
guint8 ack_code;
|
|
gboolean req_ok=FALSE, file_ok;
|
|
guint8 req_type;
|
|
guint8 *req_str;
|
|
guint8 file_name_len;
|
|
guint8 *file_name_str;
|
|
guint32 file_data_len;
|
|
proto_item *ti = NULL;
|
|
proto_tree *req_tree = NULL;
|
|
|
|
switch(tag) {
|
|
case T_REQUEST_START:
|
|
/* no filter for length items */
|
|
app_dom_id_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Application Domain Indentifier length %d", app_dom_id_len);
|
|
offset++;
|
|
init_obj_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Initial Object length %d", init_obj_len);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_app_dom_id,
|
|
tvb, offset, app_dom_id_len, ENC_ASCII|ENC_NA);
|
|
app_dom_id = tvb_get_ephemeral_string(tvb, offset, app_dom_id_len);
|
|
if (app_dom_id) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ",
|
|
"for %s", app_dom_id);
|
|
}
|
|
offset += app_dom_id_len;
|
|
proto_tree_add_item(tree, hf_dvbci_init_obj,
|
|
tvb, offset, init_obj_len, ENC_ASCII|ENC_NA);
|
|
break;
|
|
case T_REQUEST_START_ACK:
|
|
ack_code = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(
|
|
tree, hf_dvbci_ack_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(ack_code, dvbci_ack_code, "unknown"));
|
|
break;
|
|
case T_FILE_REQUEST:
|
|
req_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_req_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(req_type, dvbci_req_type, "unknown"));
|
|
offset++;
|
|
if (req_type==REQ_TYPE_FILE_HASH) {
|
|
proto_tree_add_item(tree, hf_dvbci_file_hash,
|
|
tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
}
|
|
if (tvb_reported_length_remaining(tvb, offset) <= 0)
|
|
break;
|
|
if (req_type==REQ_TYPE_FILE || req_type==REQ_TYPE_FILE_HASH) {
|
|
req_str = tvb_get_ephemeral_string(tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset));
|
|
if (!req_str)
|
|
break;
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ", "%s", req_str);
|
|
proto_tree_add_string_format_value(tree, hf_dvbci_file_name,
|
|
tvb, offset, tvb_reported_length_remaining(tvb, offset),
|
|
req_str, "%s", req_str);
|
|
}
|
|
else if (req_type==REQ_TYPE_DATA) {
|
|
proto_tree_add_item(tree, hf_dvbci_ami_priv_data, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
break;
|
|
case T_FILE_ACKNOWLEDGE:
|
|
req_type = tvb_get_guint8(tvb, offset+1);
|
|
if (req_type==REQ_TYPE_FILE_HASH) {
|
|
req_ok = ((tvb_get_guint8(tvb, offset) & 0x02) == 0x02);
|
|
proto_tree_add_item(tree, hf_dvbci_req_ok,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
file_ok = ((tvb_get_guint8(tvb, offset) & 0x01) == 0x01);
|
|
proto_tree_add_item(tree, hf_dvbci_file_ok, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_req_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(req_type, dvbci_req_type, "unknown"));
|
|
offset++;
|
|
if (req_type==REQ_TYPE_FILE || req_type==REQ_TYPE_FILE_HASH) {
|
|
file_name_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"File name length %d", file_name_len);
|
|
offset++;
|
|
file_name_str = tvb_get_ephemeral_string(
|
|
tvb, offset, file_name_len);
|
|
if (!file_name_str)
|
|
break;
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ",
|
|
"%s", file_name_str);
|
|
proto_tree_add_string_format_value(tree, hf_dvbci_file_name,
|
|
tvb, offset, file_name_len, file_name_str,
|
|
"%s", file_name_str);
|
|
offset += file_name_len;
|
|
file_data_len = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 4,
|
|
"File data length %d", file_data_len);
|
|
offset += 4;
|
|
if (file_data_len > 0) {
|
|
proto_tree_add_item(tree, hf_dvbci_file_data,
|
|
tvb, offset, file_data_len, ENC_NA);
|
|
}
|
|
}
|
|
else if (req_type==REQ_TYPE_DATA) {
|
|
if (tvb_reported_length_remaining(tvb, offset) <= 0)
|
|
break;
|
|
proto_tree_add_item(tree, hf_dvbci_ami_priv_data, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
else if (req_type==REQ_TYPE_REQ) {
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb,
|
|
offset, tvb_reported_length_remaining(tvb, offset),
|
|
"Supported request types");
|
|
req_tree = proto_item_add_subtree(
|
|
ti, ett_dvbci_ami_req_types);
|
|
}
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(req_tree, hf_dvbci_req_type,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
if (req_type==REQ_TYPE_FILE_HASH && req_ok && !file_ok) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"cached copy is valid");
|
|
}
|
|
break;
|
|
case T_APP_ABORT_REQUEST:
|
|
if (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(tree, hf_dvbci_abort_req_code, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
break;
|
|
case T_APP_ABORT_ACK:
|
|
if (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(tree, hf_dvbci_abort_ack_code, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_lsc(guint32 tag, gint len_field,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
guint8 id, timeout, ret_val, phase_id;
|
|
gint conn_desc_len, param_len;
|
|
guint16 buf_size;
|
|
proto_item *pi = NULL;
|
|
const gchar *ret_val_str = NULL;
|
|
|
|
|
|
offset_start = offset;
|
|
|
|
switch(tag) {
|
|
case T_COMMS_CMD:
|
|
proto_tree_add_item(tree, hf_dvbci_comms_cmd_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
id = tvb_get_guint8(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s",
|
|
val_to_str(id, dvbci_comms_cmd_id, "Unknown: %d"));
|
|
offset++;
|
|
switch(id) {
|
|
case COMMS_CMD_ID_CONNECT_ON_CHANNEL:
|
|
conn_desc_len = dissect_conn_desc(tvb, offset, pinfo, tree);
|
|
if (conn_desc_len < 0)
|
|
break;
|
|
offset += conn_desc_len;
|
|
proto_tree_add_item(tree, hf_dvbci_lsc_retry_count,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
timeout = tvb_get_guint8(tvb, offset);
|
|
if (timeout==0) {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_lsc_timeout,
|
|
tvb, offset, 1, timeout, "Infinite timeout");
|
|
} else {
|
|
proto_tree_add_uint_format(tree, hf_dvbci_lsc_timeout,
|
|
tvb, offset, 1, timeout,
|
|
"Timeout is %d seconds", timeout);
|
|
}
|
|
break;
|
|
case COMMS_CMD_ID_DISCONNECT_ON_CHANNEL:
|
|
case COMMS_CMD_ID_ENQUIRE_STATUS:
|
|
/* len_field == 1 -> only id, no further parameters */
|
|
if (len_field != 1) {
|
|
pi = proto_tree_add_text(tree, tvb,
|
|
APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE,
|
|
"Length field mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field must be 1");
|
|
}
|
|
break;
|
|
case COMMS_CMD_ID_SET_PARAMS:
|
|
param_len = tvb_reported_length_remaining(tvb, offset);
|
|
if (param_len == 2)
|
|
buf_size = (guint16)tvb_get_guint8(tvb, offset);
|
|
else if (param_len == 3)
|
|
buf_size = tvb_get_ntohs(tvb, offset);
|
|
else {
|
|
pi = proto_tree_add_text(tree, tvb,
|
|
APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE,
|
|
"Length field mismatch");
|
|
/* length field == 1 byte id + param_len */
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field must be 3 or 4");
|
|
break;
|
|
}
|
|
proto_tree_add_uint_format(tree, hf_dvbci_lsc_buf_size,
|
|
tvb, offset, param_len-1, buf_size,
|
|
"buffer size %d bytes", buf_size);
|
|
offset += param_len-1;
|
|
timeout = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format(tree, hf_dvbci_lsc_timeout,
|
|
tvb, offset, 1, timeout,
|
|
"timeout is %d milliseconds", timeout*10);
|
|
break;
|
|
case COMMS_CMD_ID_GET_NEXT_BUFFER:
|
|
phase_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format(tree, hf_dvbci_phase_id,
|
|
tvb, offset, 1, phase_id, "Phase ID %d", phase_id);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"received #%d", phase_id);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case T_COMMS_REPLY:
|
|
proto_tree_add_item(tree, hf_dvbci_comms_rep_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
id = tvb_get_guint8(tvb,offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "%s",
|
|
val_to_str(id, dvbci_comms_rep_id, "Unknown: %d"));
|
|
offset++;
|
|
ret_val = tvb_get_guint8(tvb,offset);
|
|
pi = proto_tree_add_item(tree, hf_dvbci_lsc_ret_val,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
switch (id) {
|
|
case COMMS_REP_ID_SEND_ACK:
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"sent #%d", ret_val);
|
|
if (pi)
|
|
proto_item_append_text(pi, " (sent #%d)", ret_val);
|
|
break;
|
|
case COMMS_REP_ID_SET_PARAMS_ACK:
|
|
ret_val_str = val_to_str_const(ret_val,
|
|
dvbci_lsc_ret_val_params, "unknown/error");
|
|
break;
|
|
case COMMS_REP_ID_STATUS_REPLY:
|
|
ret_val_str = val_to_str_const(ret_val,
|
|
dvbci_lsc_ret_val_connect, "unknown/error");
|
|
break;
|
|
default:
|
|
ret_val_str = val_to_str_const(ret_val,
|
|
dvbci_lsc_ret_val, "unknown/error");
|
|
break;
|
|
}
|
|
if (ret_val_str) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"%s", ret_val_str);
|
|
if (pi)
|
|
proto_item_append_text(pi, " (%s)", ret_val_str);
|
|
}
|
|
break;
|
|
case T_COMMS_SEND_LAST:
|
|
case T_COMMS_SEND_MORE:
|
|
case T_COMMS_RCV_LAST:
|
|
case T_COMMS_RCV_MORE:
|
|
phase_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format(tree, hf_dvbci_phase_id,
|
|
tvb, offset, 1, phase_id, "Phase ID %d", phase_id);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"Phase ID %d", phase_id);
|
|
offset++;
|
|
if (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(tree, hf_dvbci_lsc_msg, tvb, offset,
|
|
tvb_reported_length_remaining(tvb, offset), ENC_NA);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_opp(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint16 nit_loop_len;
|
|
guint8 cap_loop_len;
|
|
gboolean info_valid;
|
|
guint8 char_tbl;
|
|
guint8 sig_strength, sig_qual;
|
|
proto_item *pi;
|
|
|
|
switch(tag) {
|
|
case T_OPERATOR_STATUS:
|
|
case T_OPERATOR_SEARCH_STATUS:
|
|
dissect_opp_status_body(tvb, offset, pinfo, tree);
|
|
break;
|
|
case T_OPERATOR_NIT:
|
|
nit_loop_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_nit_loop_len,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_dvbci_nit,
|
|
tvb, offset, nit_loop_len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case T_OPERATOR_INFO:
|
|
info_valid = ((tvb_get_guint8(tvb, offset) & 0x08) == 0x08);
|
|
proto_tree_add_item(tree, hf_dvbci_info_valid,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_info_ver_op_info,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (!info_valid)
|
|
break;
|
|
proto_tree_add_item(tree, hf_dvbci_cicam_onid,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_dvbci_cicam_id,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
char_tbl = tvb_get_guint8(tvb, offset);
|
|
if (char_tbl==CHAR_TBL_MULTI_BYTE) {
|
|
/* we display this sligthly differently (i.e. clearer)
|
|
than the CI+ specification ;-) */
|
|
proto_tree_add_item(tree, hf_dvbci_opp_char_tbl_multi,
|
|
tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
offset += 3;
|
|
}
|
|
else {
|
|
proto_tree_add_item(tree, hf_dvbci_opp_char_tbl,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
if (char_tbl==CHAR_TBL_ENC_TYPE_ID) {
|
|
proto_tree_add_item(tree, hf_dvbci_enc_type_id,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
}
|
|
}
|
|
proto_tree_add_item(tree, hf_dvbci_sdt_rst_trusted,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_eit_rst_trusted,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_eit_pf_usage,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_eit_sch_usage,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_ext_evt_usage,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_sdt_oth_trusted,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_dvbci_eit_evt_trigger,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_opp_lang_code,
|
|
tvb, offset, 3, ENC_ASCII|ENC_NA);
|
|
offset += 3;
|
|
/* hf_dvbci_prof_name is an FT_UINT_STRING, one leading len byte */
|
|
proto_tree_add_item(tree, hf_dvbci_prof_name,
|
|
tvb, offset, 1, ENC_ASCII|ENC_NA);
|
|
break;
|
|
case T_OPERATOR_SEARCH_START:
|
|
proto_tree_add_item(tree, hf_dvbci_unattended,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* no filters for the loop lengths, one is 7bit, others are 8bit */
|
|
cap_loop_len = tvb_get_guint8(tvb, offset) & 0x7F;
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Service type loop length: %d", cap_loop_len);
|
|
offset++;
|
|
/* no need for error checking, we continue anyway */
|
|
dissect_opp_cap_loop(cap_loop_len, "Service type loop",
|
|
hf_dvbci_opp_srv_type, 1, tvb, offset, pinfo, tree);
|
|
offset += cap_loop_len;
|
|
|
|
cap_loop_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Delivery system capabilities loop length: %d",
|
|
cap_loop_len);
|
|
offset++;
|
|
dissect_opp_cap_loop(cap_loop_len,
|
|
"Delivery system capabilities loop",
|
|
hf_dvbci_dlv_cap_byte, 1,
|
|
tvb, offset, pinfo, tree);
|
|
offset += cap_loop_len;
|
|
|
|
cap_loop_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Application capabilities loop length: %d", cap_loop_len);
|
|
dissect_opp_cap_loop(cap_loop_len,
|
|
"Application capabilities loop",
|
|
hf_dvbci_app_cap_bytes, 2,
|
|
tvb, offset, pinfo, tree);
|
|
break;
|
|
case T_OPERATOR_TUNE_STATUS:
|
|
proto_tree_add_item(tree, hf_dvbci_desc_num,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
sig_strength = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_sig_strength,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
sig_qual = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_sig_qual,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (sig_strength>100 || sig_qual>100) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Invalid value for signal strength / signal quality");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Values are in percent (0 to 100)");
|
|
}
|
|
offset++;
|
|
proto_tree_add_item(tree, hf_dvbci_opp_tune_status,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
dissect_desc_loop(
|
|
hf_dvbci_opp_desc_loop_len, hf_dvbci_opp_desc_loop,
|
|
tvb, offset, pinfo, tree);
|
|
break;
|
|
case T_OPERATOR_TUNE:
|
|
dissect_desc_loop(
|
|
hf_dvbci_opp_desc_loop_len, hf_dvbci_opp_desc_loop,
|
|
tvb, offset, pinfo, tree);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_payload_sas(guint32 tag, gint len_field _U_,
|
|
tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint64 app_id;
|
|
guint8 sas_status;
|
|
guint8 msg_nb;
|
|
guint16 msg_len;
|
|
|
|
switch(tag) {
|
|
case T_SAS_CONNECT_RQST:
|
|
case T_SAS_CONNECT_CNF:
|
|
app_id = tvb_get_ntoh64(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"App ID 0x%016" G_GINT64_MODIFIER "x", app_id);
|
|
proto_tree_add_item(tree, hf_dvbci_sas_app_id,
|
|
tvb, offset, 8, ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
if (tag == T_SAS_CONNECT_CNF) {
|
|
sas_status = tvb_get_guint8(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
(sas_status == SAS_SESS_STATE_CONNECTED ?
|
|
"Ok" : "Error"));
|
|
proto_tree_add_item(tree, hf_dvbci_sas_sess_state,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case T_SAS_ASYNC_MSG:
|
|
msg_nb = tvb_get_guint8(tvb, offset);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"Message #%d ", msg_nb);
|
|
proto_tree_add_item(tree, hf_dvbci_sas_msg_nb,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
msg_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_sas_msg_len,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_dvbci_sas_msg,
|
|
tvb, offset, msg_len, ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_apdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *app_tree = NULL;
|
|
guint32 apdu_len, tag, len_field;
|
|
const gchar *tag_str;
|
|
gint offset;
|
|
proto_item *pi;
|
|
apdu_info_t *ai;
|
|
|
|
|
|
apdu_len = tvb_reported_length(tvb);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb, 0, apdu_len, "Application Layer");
|
|
app_tree = proto_item_add_subtree(ti, ett_dvbci_application);
|
|
}
|
|
|
|
tag = tvb_get_ntoh24(tvb, 0);
|
|
tag_str = match_strval(tag, dvbci_apdu_tag);
|
|
offset = APDU_TAG_SIZE;
|
|
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(tag, dvbci_apdu_tag, "Unknown/invalid APDU"));
|
|
if (tag_str) {
|
|
proto_tree_add_item(
|
|
app_tree, hf_dvbci_apdu_tag, tvb, 0, APDU_TAG_SIZE, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
pi = proto_tree_add_text(app_tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid or unsupported APDU tag");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Invalid or unsupported APDU tag");
|
|
return;
|
|
}
|
|
|
|
offset = dissect_ber_length(pinfo, app_tree, tvb, offset, &len_field, NULL);
|
|
if ((offset+len_field) > apdu_len) {
|
|
pi = proto_tree_add_text(app_tree, tvb,
|
|
APDU_TAG_SIZE, offset-APDU_TAG_SIZE,
|
|
"Length field mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field mismatch");
|
|
return;
|
|
}
|
|
|
|
ai = (apdu_info_t *)g_hash_table_lookup(apdu_table,
|
|
GUINT_TO_POINTER((guint)tag));
|
|
if (!ai) {
|
|
pi = proto_tree_add_text(
|
|
app_tree, tvb, 0, APDU_TAG_SIZE, "Unknown APDU");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Dissection of this APDU is not supported");
|
|
return;
|
|
}
|
|
if (ai->direction!=DIRECTION_ANY && ai->direction!=direction) {
|
|
pi = proto_tree_add_text(app_tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid APDU direction");
|
|
if (ai->direction==DATA_HOST_TO_CAM) {
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"This APDU must be sent from host to CAM");
|
|
}
|
|
else {
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"This APDU must be sent from CAM to host");
|
|
}
|
|
/* don't return, we can continue dissecting the APDU */
|
|
}
|
|
if (ai->min_len_field!=LEN_FIELD_ANY && len_field<ai->min_len_field) {
|
|
pi = proto_tree_add_text(app_tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid APDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Minimum length field for %s is %d",
|
|
tag_str, ai->min_len_field);
|
|
return;
|
|
}
|
|
if (ai->len_field!=LEN_FIELD_ANY && len_field!=ai->len_field) {
|
|
pi = proto_tree_add_text(app_tree, tvb, 0, APDU_TAG_SIZE,
|
|
"Invalid APDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field for %s must be %d", tag_str, ai->len_field);
|
|
return;
|
|
}
|
|
if (ai->len_field!=0) {
|
|
if (!ai->dissect_payload) {
|
|
/* don't display an error, getting here means we have illegal
|
|
* data in apdu_info[] */
|
|
return;
|
|
}
|
|
ai->dissect_payload(tag, len_field, tvb, offset, pinfo, app_tree);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_dvbci_spdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction)
|
|
{
|
|
guint32 spdu_len;
|
|
proto_item *ti = NULL;
|
|
proto_tree *sess_tree = NULL;
|
|
guint8 tag;
|
|
const gchar *tag_str;
|
|
gint offset;
|
|
proto_item *pi;
|
|
guint32 len_field;
|
|
const spdu_info_t *si;
|
|
guint32 res_id;
|
|
guint8 sess_stat;
|
|
tvbuff_t *payload_tvb = NULL;
|
|
gint payload_len;
|
|
|
|
|
|
spdu_len = tvb_reported_length(tvb);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb, 0, -1, "Session Layer");
|
|
sess_tree = proto_item_add_subtree(ti, ett_dvbci_session);
|
|
}
|
|
|
|
tag = tvb_get_guint8(tvb,0);
|
|
tag_str = match_strval(tag, dvbci_spdu_tag);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(tag, dvbci_spdu_tag, "Invalid SPDU"));
|
|
if (tag_str) {
|
|
proto_tree_add_item(sess_tree, hf_dvbci_spdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
pi = proto_tree_add_text(sess_tree, tvb, 0, 1, "Invalid SPDU tag");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"See table 14 in the DVB-CI specification");
|
|
return;
|
|
}
|
|
|
|
offset = dissect_ber_length(pinfo, sess_tree, tvb, 1, &len_field, NULL);
|
|
|
|
si = (spdu_info_t *)g_hash_table_lookup(spdu_table,
|
|
GUINT_TO_POINTER((guint)tag));
|
|
if (!si)
|
|
return;
|
|
if (si->direction!=0 && si->direction!=direction) {
|
|
pi = proto_tree_add_text(sess_tree, tvb, 0, 1,
|
|
"Invalid SPDU direction");
|
|
if (si->direction==DATA_HOST_TO_CAM) {
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"This SPDU must be sent from host to CAM");
|
|
}
|
|
else {
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"This SPDU must be sent from CAM to host");
|
|
}
|
|
}
|
|
if (si->len_field != len_field) {
|
|
/* offset points to 1st byte after the length field */
|
|
pi = proto_tree_add_text(sess_tree, tvb, 1, offset-1,
|
|
"Invalid SPDU length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Correct length field for %s is %d", tag_str, si->len_field);
|
|
return;
|
|
}
|
|
|
|
switch(tag)
|
|
{
|
|
case T_OPEN_SESSION_REQUEST:
|
|
res_id = tvb_get_ntohl(tvb, offset); /* get 32bit big-endian */
|
|
dissect_dvbci_res_id(tvb, offset, pinfo, sess_tree, res_id, TRUE);
|
|
break;
|
|
case T_CREATE_SESSION:
|
|
res_id = tvb_get_ntohl(tvb, offset);
|
|
dissect_dvbci_res_id(tvb, offset, pinfo, sess_tree, res_id, TRUE);
|
|
/* DVB-CI uses network byte order == big endian */
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_sess_nb, tvb,
|
|
offset+4, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case T_OPEN_SESSION_RESPONSE:
|
|
case T_CREATE_SESSION_RESPONSE:
|
|
sess_stat = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_sess_status, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
res_id = tvb_get_ntohl(tvb, offset+1);
|
|
dissect_dvbci_res_id(tvb, offset+1, pinfo, sess_tree, res_id, TRUE);
|
|
proto_tree_add_item(sess_tree, hf_dvbci_sess_nb, tvb,
|
|
offset+1+RES_ID_LEN, 2, ENC_BIG_ENDIAN);
|
|
if (sess_stat == SESS_OPENED)
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL,
|
|
"Session opened");
|
|
else
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Error");
|
|
break;
|
|
case T_CLOSE_SESSION_REQUEST:
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_sess_nb, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case T_CLOSE_SESSION_RESPONSE:
|
|
sess_stat = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_close_sess_status, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_sess_nb, tvb,
|
|
offset+1, 2, ENC_BIG_ENDIAN);
|
|
if (sess_stat == SESS_CLOSED) {
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL,
|
|
"Session closed");
|
|
}
|
|
else
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Error");
|
|
break;
|
|
case T_SESSION_NUMBER:
|
|
proto_tree_add_item(
|
|
sess_tree, hf_dvbci_sess_nb, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
payload_len = tvb_reported_length_remaining(tvb, offset+2);
|
|
payload_tvb =
|
|
tvb_new_subset(tvb, offset+2, payload_len, payload_len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (payload_tvb) {
|
|
proto_item_set_len(ti, spdu_len-tvb_reported_length(payload_tvb));
|
|
dissect_dvbci_apdu(payload_tvb, pinfo, tree, direction);
|
|
}
|
|
else {
|
|
proto_item_set_len(ti, spdu_len);
|
|
}
|
|
}
|
|
|
|
/* dissect the status of an r_tpdu, return its length or -1 for error */
|
|
static gint
|
|
dissect_dvbci_tpdu_status(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo, proto_tree *tree,
|
|
guint8 lpdu_tcid, guint8 r_tpdu_tag)
|
|
{
|
|
gint offset_new, len_start_offset;
|
|
guint8 tag;
|
|
guint32 len_field;
|
|
guint8 t_c_id, sb_value;
|
|
const gchar *sb_str;
|
|
proto_item *pi;
|
|
|
|
offset_new = offset;
|
|
|
|
tag = tvb_get_guint8(tvb, offset_new);
|
|
if (tag!=T_SB) {
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, offset_new, 1, "Invalid status tag");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"This must always be T_SB (0x80)");
|
|
return -1;
|
|
}
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "T_SB");
|
|
proto_tree_add_text(tree, tvb, offset_new, 1, "Response TPDU status");
|
|
offset_new++;
|
|
|
|
len_start_offset = offset_new;
|
|
offset_new = dissect_ber_length(
|
|
pinfo, tree, tvb, offset_new, &len_field, NULL);
|
|
if (len_field != 2) {
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, len_start_offset, offset_new-len_start_offset,
|
|
"Invalid status length field");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"This must always be 2");
|
|
|
|
return -1;
|
|
}
|
|
|
|
t_c_id = tvb_get_guint8(tvb, offset_new);
|
|
proto_tree_add_item(tree, hf_dvbci_t_c_id, tvb, offset_new, 1, ENC_BIG_ENDIAN);
|
|
/* tcid in transport header and link layer must only match for data
|
|
* transmission commands */
|
|
if (t_c_id!=lpdu_tcid) {
|
|
if (r_tpdu_tag==NO_TAG ||
|
|
r_tpdu_tag==T_DATA_MORE || r_tpdu_tag==T_DATA_LAST) {
|
|
|
|
pi = proto_tree_add_text(tree, tvb, offset_new, 1,
|
|
"Transport Connection ID mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"tcid is %d in the transport layer and %d in the link layer",
|
|
t_c_id, lpdu_tcid);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
offset_new++;
|
|
|
|
sb_value = tvb_get_guint8(tvb, offset_new);
|
|
sb_str = match_strval(sb_value, dvbci_sb_value);
|
|
if (sb_str) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s", sb_str);
|
|
proto_tree_add_item(tree, hf_dvbci_sb_value, tvb,
|
|
offset_new, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
pi = proto_tree_add_text(tree, tvb, offset_new, 1,
|
|
"Invalid SB_value");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Must be 0x00 or 0x80");
|
|
}
|
|
offset_new++;
|
|
|
|
return offset_new-offset;
|
|
}
|
|
|
|
|
|
/* dissect the header of a c_tpdu or r_tpdu
|
|
return the length of the header (tag, len_field, t_c_id) or -1 for error */
|
|
static gint
|
|
dissect_dvbci_tpdu_hdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction, guint8 lpdu_tcid, guint32 tpdu_len,
|
|
guint8 *hdr_tag, guint32 *body_len)
|
|
{
|
|
guint8 c_tpdu_tag, r_tpdu_tag, *tag=NULL;
|
|
const gchar *c_tpdu_str, *r_tpdu_str;
|
|
proto_item *pi;
|
|
gint offset;
|
|
guint32 len_field;
|
|
guint8 t_c_id;
|
|
|
|
if (direction==DATA_HOST_TO_CAM) {
|
|
c_tpdu_tag = tvb_get_guint8(tvb, 0);
|
|
tag = &c_tpdu_tag;
|
|
c_tpdu_str = match_strval(c_tpdu_tag, dvbci_c_tpdu);
|
|
if (c_tpdu_str) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "%s", c_tpdu_str);
|
|
proto_tree_add_item(tree, hf_dvbci_c_tpdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"Invalid Command-TPDU tag");
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, 0, 1, "Invalid Command-TPDU tag");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"see DVB-CI specification, table A.16 for valid values");
|
|
return -1;
|
|
}
|
|
}
|
|
else {
|
|
r_tpdu_tag = tvb_get_guint8(tvb, 0);
|
|
tag = &r_tpdu_tag;
|
|
r_tpdu_str = match_strval(r_tpdu_tag, dvbci_r_tpdu);
|
|
if (r_tpdu_str) {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "%s", r_tpdu_str);
|
|
proto_tree_add_item(tree, hf_dvbci_r_tpdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
if (r_tpdu_tag == T_SB) {
|
|
/* we have an r_tpdu without header and body,
|
|
it contains only the status part */
|
|
if (hdr_tag)
|
|
*hdr_tag = NO_TAG;
|
|
if (body_len)
|
|
*body_len = 0;
|
|
return 0;
|
|
}
|
|
else {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"Invalid Response-TPDU tag");
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, 0, 1, "Invalid Response-TPDU tag");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"see DVB-CI specification, table A.16 for valid values");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
offset = dissect_ber_length(pinfo, tree, tvb, 1, &len_field, NULL);
|
|
if (((direction==DATA_HOST_TO_CAM) && ((offset+len_field)!=tpdu_len)) ||
|
|
((direction==DATA_CAM_TO_HOST) && ((offset+len_field)>tpdu_len))) {
|
|
/* offset points to 1st byte after the length field */
|
|
pi = proto_tree_add_text(
|
|
tree, tvb, 1, offset-1, "Length field mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"Length field mismatch");
|
|
return -1;
|
|
}
|
|
|
|
t_c_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_dvbci_t_c_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* tcid in transport header and link layer must only match for
|
|
* data transmission commands */
|
|
if (t_c_id!=lpdu_tcid) {
|
|
if (tag && (*tag==T_RCV || *tag==T_DATA_MORE || *tag==T_DATA_LAST)) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 1,
|
|
"Transport Connection ID mismatch");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"tcid is %d in the transport layer and %d in the link layer",
|
|
t_c_id, lpdu_tcid);
|
|
}
|
|
}
|
|
else {
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "tcid %d", t_c_id);
|
|
}
|
|
offset++;
|
|
|
|
if (hdr_tag && tag)
|
|
*hdr_tag = *tag;
|
|
if (body_len)
|
|
*body_len = len_field-1; /* -1 for t_c_id */
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_dvbci_tpdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction, guint8 lpdu_tcid)
|
|
{
|
|
guint32 tpdu_len, body_len;
|
|
proto_item *ti = NULL;
|
|
proto_tree *trans_tree = NULL;
|
|
gint offset, status_len;
|
|
guint8 hdr_tag = NO_TAG;
|
|
tvbuff_t *body_tvb, *payload_tvb = NULL;
|
|
proto_item *pi;
|
|
fragment_data *frag_msg = NULL;
|
|
|
|
|
|
tpdu_len = tvb_reported_length(tvb);
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb, 0, -1, "Transport Layer");
|
|
trans_tree = proto_item_add_subtree(ti, ett_dvbci_transport);
|
|
}
|
|
|
|
offset = dissect_dvbci_tpdu_hdr(tvb, pinfo, trans_tree, direction,
|
|
lpdu_tcid, tpdu_len, &hdr_tag, &body_len);
|
|
if (offset==-1)
|
|
return;
|
|
proto_item_set_len(ti, offset);
|
|
if ((offset>0) && (body_len!=0)) {
|
|
/* for unfragmented data, the reassembly api behaviour is unclear
|
|
if we put the body part of the tvb into fragment_add_seq_next(),
|
|
process_reassembled_data() returns the remainder of the tvb
|
|
which is body|status part
|
|
if there's more than one fragment, payload_tvb contains only
|
|
the reassembled bodies as expected
|
|
to work around this issue, we use a dedicated body_tvb as
|
|
input to reassembly routines */
|
|
body_tvb = tvb_new_subset(tvb, offset, body_len, body_len);
|
|
frag_msg = fragment_add_seq_next(body_tvb, 0, pinfo,
|
|
SEQ_ID_TRANSPORT_LAYER,
|
|
spdu_fragment_table,
|
|
spdu_reassembled_table,
|
|
body_len,
|
|
hdr_tag == T_DATA_MORE ? 1 : 0);
|
|
payload_tvb = process_reassembled_data(body_tvb, 0, pinfo,
|
|
"Reassembled SPDU", frag_msg, &spdu_frag_items,
|
|
NULL, trans_tree);
|
|
if (!payload_tvb) {
|
|
if (hdr_tag == T_DATA_MORE) {
|
|
pinfo->fragmented = TRUE;
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Message fragment)");
|
|
} else {
|
|
payload_tvb = body_tvb;
|
|
}
|
|
}
|
|
offset += body_len;
|
|
}
|
|
|
|
if (direction==DATA_CAM_TO_HOST) {
|
|
/* minimum length of an rtpdu status is 4 bytes */
|
|
if (tpdu_len-offset < 4) {
|
|
pi = proto_tree_add_text(trans_tree, tvb, 0, 0,
|
|
"Response TPDU's status part is missing");
|
|
expert_add_info_format(pinfo, pi, PI_MALFORMED, PI_ERROR,
|
|
"RTPDU status is mandatory");
|
|
return;
|
|
}
|
|
status_len = dissect_dvbci_tpdu_status(
|
|
tvb, offset, pinfo, trans_tree, lpdu_tcid, hdr_tag);
|
|
if (status_len<0)
|
|
return;
|
|
proto_tree_set_appendix(trans_tree, tvb, offset, status_len);
|
|
}
|
|
|
|
if (payload_tvb)
|
|
dissect_dvbci_spdu(payload_tvb, pinfo, tree, direction);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_lpdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *link_tree = NULL;
|
|
guint32 payload_len;
|
|
guint8 tcid, more_last;
|
|
proto_item *pi;
|
|
tvbuff_t *payload_tvb = NULL;
|
|
fragment_data *frag_msg = NULL;
|
|
|
|
|
|
payload_len = tvb_reported_length(tvb);
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO, "LPDU");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_text(tree, tvb, 0, 2, "Link Layer");
|
|
link_tree = proto_item_add_subtree(ti, ett_dvbci_link);
|
|
}
|
|
|
|
tcid = tvb_get_guint8(tvb, 0);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "tcid %d", tcid);
|
|
proto_tree_add_item(link_tree, hf_dvbci_tcid, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
|
|
more_last = tvb_get_guint8(tvb, 1);
|
|
if (match_strval(more_last, dvbci_ml)) {
|
|
proto_tree_add_item(link_tree, hf_dvbci_ml, tvb, 1, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
else {
|
|
pi = proto_tree_add_text(
|
|
link_tree, tvb, 1, 1, "Invalid More/Last indicator");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Second byte of an LPDU must be 0x80 or 0x00");
|
|
}
|
|
|
|
if (payload_len > buf_size_host) {
|
|
pi = proto_tree_add_text(
|
|
link_tree, tvb, 2, payload_len, "Payload too large");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Maximum payload length is the negotiated buffer size (%d bytes)",
|
|
buf_size_host);
|
|
}
|
|
|
|
frag_msg = fragment_add_seq_next(tvb, 2, pinfo,
|
|
SEQ_ID_LINK_LAYER,
|
|
tpdu_fragment_table,
|
|
tpdu_reassembled_table,
|
|
tvb_reported_length_remaining(tvb, 2),
|
|
more_last == ML_MORE ? 1 : 0);
|
|
|
|
payload_tvb = process_reassembled_data(tvb, 2, pinfo,
|
|
"Reassembled TPDU", frag_msg, &tpdu_frag_items,
|
|
NULL, link_tree);
|
|
if (!payload_tvb) {
|
|
if (more_last == ML_MORE) {
|
|
pinfo->fragmented = TRUE;
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Message fragment)");
|
|
} else
|
|
payload_tvb = tvb_new_subset(tvb, 2, -1, -1);
|
|
}
|
|
if (payload_tvb)
|
|
dissect_dvbci_tpdu(payload_tvb, pinfo, tree, direction, tcid);
|
|
}
|
|
|
|
/* dissect DVB-CI buffer size negotiation */
|
|
static void
|
|
dissect_dvbci_buf_neg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint8 direction)
|
|
{
|
|
guint16 buf_size;
|
|
proto_item *pi;
|
|
|
|
buf_size = tvb_get_ntohs(tvb, 0);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %u bytes",
|
|
direction == DATA_HOST_TO_CAM ?
|
|
"negotiated buffer size" : "buffer size proposal",
|
|
buf_size);
|
|
|
|
if (direction == DATA_HOST_TO_CAM) {
|
|
buf_size_host = buf_size;
|
|
proto_tree_add_uint_format(tree, hf_dvbci_buf_size, tvb,
|
|
0, 2, buf_size,
|
|
"Negotiated buffer size: %u bytes", buf_size);
|
|
if (buf_size_host > buf_size_cam) {
|
|
/* ATTENTION:
|
|
wireshark may run through each packet multiple times
|
|
if we didn't check the direction, we'd get the error when
|
|
wireshark runs through the initial CAM packet for the 2nd time
|
|
*/
|
|
pi = proto_tree_add_text(tree, tvb, 0, 2,
|
|
"Illegal buffer size command");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Host shall not request a buffer size larger than the CAM proposal");
|
|
}
|
|
}
|
|
else if (direction == DATA_CAM_TO_HOST) {
|
|
buf_size_cam = buf_size;
|
|
proto_tree_add_uint_format(tree, hf_dvbci_buf_size, tvb,
|
|
0, 2, buf_size,
|
|
"Buffer size proposal by the CAM: %u bytes", buf_size);
|
|
}
|
|
|
|
if (buf_size < 16) {
|
|
pi = proto_tree_add_text(tree, tvb, 0, 2, "Illegal buffer size");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"Minimum buffer size is 16 bytes");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_dvbci_cis(tvbuff_t *tvb, gint offset,
|
|
packet_info *pinfo _U_, proto_tree *tree)
|
|
{
|
|
gint offset_start;
|
|
proto_tree *cis_tree = NULL, *tpl_tree = NULL;
|
|
proto_item *ti_main = NULL, *ti_tpl;
|
|
gint tpl_len; /* entire tuple length, including tag and len field */
|
|
guint8 tpl_code, len_field;
|
|
|
|
offset_start = offset;
|
|
|
|
if (tree) {
|
|
ti_main = proto_tree_add_text(tree, tvb, offset, -1,
|
|
"Card Information Structure (CIS)");
|
|
cis_tree = proto_item_add_subtree(ti_main, ett_dvbci_cis);
|
|
}
|
|
|
|
do {
|
|
tpl_code = tvb_get_guint8(tvb, offset);
|
|
if (tpl_code == CISTPL_END) {
|
|
len_field = 0;
|
|
tpl_len = 1;
|
|
}
|
|
else {
|
|
len_field = tvb_get_guint8(tvb, offset+1);
|
|
tpl_len = 2+len_field; /* 1 byte tag, 1 byte len field */
|
|
}
|
|
if (cis_tree) {
|
|
ti_tpl = proto_tree_add_text(cis_tree, tvb,
|
|
offset, tpl_len, "CIS tuple");
|
|
tpl_tree = proto_item_add_subtree(ti_tpl, ett_dvbci_cis_tpl);
|
|
proto_tree_add_uint_format(tpl_tree, hf_dvbci_cistpl_code,
|
|
tvb, offset, 1, tpl_code, "Tuple code: %s (0x%x)",
|
|
val_to_str(tpl_code, dvbci_cistpl_code, "unknown"), tpl_code);
|
|
if (tpl_code != CISTPL_END) {
|
|
proto_tree_add_text(tpl_tree, tvb, offset+1, 1,
|
|
"Length: %d", len_field);
|
|
proto_tree_add_text(tpl_tree, tvb, offset+2, len_field,
|
|
"Tuple content");
|
|
}
|
|
}
|
|
offset += tpl_len;
|
|
} while ((tvb_reported_length_remaining(tvb, offset) > 0) && (tpl_code != CISTPL_END));
|
|
|
|
if (ti_main)
|
|
proto_item_set_len(ti_main, offset-offset_start);
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_dvbci(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
gint packet_len, offset = 0, offset_ver, offset_evt, offset_len_field;
|
|
guint8 version, event;
|
|
const gchar *event_str;
|
|
guint16 len_field;
|
|
proto_item *ti, *ti_hdr;
|
|
proto_tree *dvbci_tree = NULL, *hdr_tree = NULL;
|
|
tvbuff_t *payload_tvb;
|
|
guint16 cor_addr;
|
|
guint8 cor_value;
|
|
proto_item *pi;
|
|
guint8 hw_event;
|
|
|
|
if (tvb_length(tvb) < 4)
|
|
return 0;
|
|
|
|
offset_ver = offset;
|
|
version = tvb_get_guint8(tvb, offset++);
|
|
if (version != 0)
|
|
return 0;
|
|
|
|
offset_evt = offset;
|
|
event = tvb_get_guint8(tvb, offset++);
|
|
event_str = match_strval(event, dvbci_event);
|
|
if (!event_str)
|
|
return 0;
|
|
|
|
packet_len = tvb_reported_length(tvb);
|
|
offset_len_field = offset;
|
|
len_field = tvb_get_ntohs(tvb, offset);
|
|
if (len_field != (packet_len-4))
|
|
return 0;
|
|
offset += 2;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DVB-CI");
|
|
col_set_str(pinfo->cinfo, COL_INFO, event_str);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format(tree, proto_dvbci,
|
|
tvb, 0, packet_len, "DVB Common Interface: %s", event_str);
|
|
dvbci_tree = proto_item_add_subtree(ti, ett_dvbci);
|
|
ti_hdr = proto_tree_add_text(dvbci_tree, tvb, 0, offset, "Pseudo header");
|
|
hdr_tree = proto_item_add_subtree(ti_hdr, ett_dvbci_hdr);
|
|
proto_tree_add_text(hdr_tree, tvb, offset_ver, 1, "Version: %d", version);
|
|
proto_tree_add_item(hdr_tree, hf_dvbci_event, tvb, offset_evt, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_text(hdr_tree, tvb, offset_len_field, 2,
|
|
"Length field: %d", len_field);
|
|
}
|
|
|
|
if (IS_DATA_TRANSFER(event)) {
|
|
if (event == DATA_HOST_TO_CAM) {
|
|
SET_ADDRESS(&pinfo->src, AT_STRINGZ, (int)strlen(ADDR_HOST)+1, ADDR_HOST);
|
|
SET_ADDRESS(&pinfo->dst, AT_STRINGZ, (int)strlen(ADDR_CAM)+1 , ADDR_CAM);
|
|
}
|
|
else {
|
|
SET_ADDRESS(&pinfo->src, AT_STRINGZ, (int)strlen(ADDR_CAM)+1 , ADDR_CAM);
|
|
SET_ADDRESS(&pinfo->dst, AT_STRINGZ, (int)strlen(ADDR_HOST)+1, ADDR_HOST);
|
|
}
|
|
|
|
payload_tvb = tvb_new_subset( tvb, offset, -1, -1);
|
|
if (len_field == 2) {
|
|
dissect_dvbci_buf_neg(payload_tvb, pinfo, dvbci_tree, event);
|
|
}
|
|
else {
|
|
dissect_dvbci_lpdu(payload_tvb, pinfo, dvbci_tree, event);
|
|
}
|
|
}
|
|
else if (event==COR_WRITE) {
|
|
/* I did not assign hf_... values for cor_addr and cor_value
|
|
there's no need to filter against them */
|
|
cor_addr = tvb_get_ntohs(tvb, offset);
|
|
if (cor_addr == 0xffff) {
|
|
proto_tree_add_text(dvbci_tree, tvb, offset, 2,
|
|
"COR address is unknown");
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", "unknown address");
|
|
}
|
|
else if (cor_addr > 0xFFE) {
|
|
pi = proto_tree_add_text(tree, tvb, offset, 2, "Invalid COR address");
|
|
expert_add_info_format(pinfo, pi, PI_PROTOCOL, PI_WARN,
|
|
"COR address must not be greater than 0xFFE (DVB-CI spec, A.5.6)");
|
|
}
|
|
else {
|
|
proto_tree_add_text(dvbci_tree, tvb, offset, 2,
|
|
"COR address: 0x%x", cor_addr);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ",
|
|
"address 0x%x", cor_addr);
|
|
}
|
|
offset += 2;
|
|
cor_value = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(dvbci_tree, tvb, offset, 1,
|
|
"COR value: 0x%x", cor_value);
|
|
col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL,
|
|
"value 0x%x", cor_value);
|
|
}
|
|
else if (event==CIS_READ) {
|
|
dissect_dvbci_cis(tvb, offset, pinfo, dvbci_tree);
|
|
}
|
|
else if (event==HW_EVT) {
|
|
hw_event = tvb_get_guint8(tvb, offset);
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(hw_event, dvbci_hw_event, "Invalid hardware event"));
|
|
proto_tree_add_item(dvbci_tree, hf_dvbci_hw_event,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
return packet_len;
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_dvbci(void)
|
|
{
|
|
guint i;
|
|
module_t *dvbci_module;
|
|
|
|
static gint *ett[] = {
|
|
&ett_dvbci,
|
|
&ett_dvbci_hdr,
|
|
&ett_dvbci_cis,
|
|
&ett_dvbci_cis_tpl,
|
|
&ett_dvbci_link,
|
|
&ett_dvbci_link_frag,
|
|
&ett_dvbci_link_frags,
|
|
&ett_dvbci_transport,
|
|
&ett_dvbci_transport_frag,
|
|
&ett_dvbci_transport_frags,
|
|
&ett_dvbci_session,
|
|
&ett_dvbci_res,
|
|
&ett_dvbci_application,
|
|
&ett_dvbci_es,
|
|
&ett_dvbci_ca_desc,
|
|
&ett_dvbci_text,
|
|
&ett_dvbci_cc_item,
|
|
&ett_dvbci_sac_msg_body,
|
|
&ett_dvbci_ami_req_types,
|
|
&ett_dvbci_lsc_conn_desc,
|
|
&ett_dvbci_opp_cap_loop
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_dvbci_event,
|
|
{ "Event", "dvb-ci.event", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_event), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_hw_event,
|
|
{ "Hardware event", "dvb-ci.hw_event", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_hw_event), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cistpl_code,
|
|
{ "CIS tuple code", "dvb-ci.cistpl_code", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cistpl_code), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_buf_size,
|
|
{ "Buffer Size", "dvb-ci.buf_size", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_tcid,
|
|
{ "Transport Connection ID", "dvb-ci.tcid", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ml,
|
|
{ "More/Last indicator", "dvb-ci.more_last", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_ml), 0, NULL, HFILL } },
|
|
/* on the link layer, tpdus are reassembled */
|
|
{&hf_dvbci_l_frags,
|
|
{"Tpdu fragments", "dvb-ci.tpdu_fragments",
|
|
FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag,
|
|
{"Tpdu fragment", "dvb-ci.tpdu_fragment",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_overlap,
|
|
{"Tpdu fragment overlap", "dvb-ci.tpdu_fragment.overlap",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_overlap_conflicts,
|
|
{"Tpdu fragment overlapping with conflicting data",
|
|
"dvb-ci.tpdu_fragment.overlap.conflicts",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_multiple_tails,
|
|
{"Tpdu has multiple tail fragments",
|
|
"dvb-ci.tpdu_fragment.multiple_tails",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_too_long_frag,
|
|
{"Tpdu fragment too long", "dvb-ci.tpdu_fragment.too_long_fragment",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_err,
|
|
{"Tpdu defragmentation error", "dvb-ci.tpdu_fragment.error",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_frag_cnt,
|
|
{"Tpdu fragment count", "dvb-ci.tpdu_fragment.count",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_reass_in,
|
|
{"Tpdu reassembled in", "dvb-ci.tpdu_reassembled.in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_l_reass_len,
|
|
{"Reassembled tpdu length", "dvb-ci.tpdu_reassembled.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_dvbci_c_tpdu_tag,
|
|
{ "Command TPDU Tag", "dvb-ci.c_tpdu_tag", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_c_tpdu), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_r_tpdu_tag,
|
|
{ "Response TPDU Tag", "dvb-ci.r_tpdu_tag", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_r_tpdu), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_t_c_id,
|
|
{ "Transport Connection ID", "dvb-ci.t_c_id", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sb_value,
|
|
{ "SB Value", "dvb-ci.sb_value", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_sb_value), 0, NULL, HFILL } },
|
|
/* on the transport layer, spdus are reassembled */
|
|
{&hf_dvbci_t_frags,
|
|
{"Spdu fragments", "dvb-ci.spdu_fragments",
|
|
FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag,
|
|
{"Spdu fragment", "dvb-ci.spdu_fragment",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_overlap,
|
|
{"Spdu fragment overlap", "dvb-ci.spdu_fragment.overlap",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_overlap_conflicts,
|
|
{"Spdu fragment overlapping with conflicting data",
|
|
"dvb-ci.tpdu_fragment.overlap.conflicts",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_multiple_tails,
|
|
{"Spdu has multiple tail fragments",
|
|
"dvb-ci.spdu_fragment.multiple_tails",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_too_long_frag,
|
|
{"Spdu fragment too long", "dvb-ci.spdu_fragment.too_long_fragment",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_err,
|
|
{"Spdu defragmentation error", "dvb-ci.spdu_fragment.error",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_frag_cnt,
|
|
{"Spdu fragment count", "dvb-ci.spdu_fragment.count",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_reass_in,
|
|
{"Spdu reassembled in", "dvb-ci.spdu_reassembled.in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{&hf_dvbci_t_reass_len,
|
|
{"Reassembled spdu length", "dvb-ci.spdu_reassembled.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_dvbci_spdu_tag,
|
|
{ "SPDU Tag", "dvb-ci.spdu_tag", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_spdu_tag), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sess_status,
|
|
{ "Session Status", "dvb-ci.session_status", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_sess_status), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sess_nb,
|
|
{ "Session Number", "dvb-ci.session_nb", FT_UINT16, BASE_DEC,
|
|
NULL , 0, NULL, HFILL } },
|
|
{ &hf_dvbci_close_sess_status,
|
|
{ "Session Status", "dvb-ci.close_session_status", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_close_sess_status), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_apdu_tag,
|
|
{ "APDU Tag", "dvb-ci.apdu_tag", FT_UINT24, BASE_HEX,
|
|
VALS(dvbci_apdu_tag), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_app_type,
|
|
{ "Application type", "dvb-ci.ap.type", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_app_type), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_app_manf,
|
|
{ "Application manufacturer", "dvb-ci.ap.manufacturer",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_manf_code,
|
|
{ "Manufacturer code", "dvb-ci.ap.manufacturer_code", FT_UINT16,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_menu_str_len,
|
|
{ "Menu string length", "dvb-ci.ap.menu_string_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_data_rate,
|
|
{ "Transport stream data rate supported by the host",
|
|
"dvb-ci.ap.data_rate", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_data_rate), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_sys_id,
|
|
{ "CA system ID", "dvb-ci.ca.ca_system_id", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_pmt_list_mgmt,
|
|
{ "CA PMT list management", "dvb-ci.ca.ca_pmt_list_management",
|
|
FT_UINT8, BASE_HEX, VALS(dvbci_ca_pmt_list_mgmt), 0, NULL,
|
|
HFILL } },
|
|
{ &hf_dvbci_prog_num,
|
|
{ "Program number", "dvb-ci.ca.program_number", FT_UINT16,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_prog_info_len,
|
|
{ "Program info length", "dvb-ci.ca.program_info_length",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_stream_type,
|
|
{ "Stream type", "dvb-ci.ca.stream_type", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_es_pid,
|
|
{ "Elementary stream PID", "dvb-ci.ca.elementary_pid", FT_UINT16,
|
|
BASE_HEX, NULL, 0x1FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_es_info_len,
|
|
{ "Elementary stream info length", "dvb-ci.ca.es_info_length",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_pmt_cmd_id,
|
|
{ "CA PMT command ID", "dvb-ci.ca.ca_pmt_cmd_id", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_ca_pmt_cmd_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_descr_len,
|
|
{ "CA descriptor length", "dvb-ci.ca.ca_desc_len", FT_UINT8,
|
|
BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_pid,
|
|
{ "CA PID", "dvb-ci.ca.ca_pid", FT_UINT16, BASE_HEX,
|
|
NULL, 0x1FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_enable_flag,
|
|
{ "CA enable flag", "dvb-ci.ca.ca_enable_flag", FT_UINT8,
|
|
BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvbci_ca_enable,
|
|
{ "CA enable", "dvb-ci.ca.ca_enable", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_ca_enable), 0x7F, NULL, HFILL } },
|
|
{ &hf_dvbci_network_id,
|
|
{ "Network ID", "dvb-ci.hc.nid", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_original_network_id,
|
|
{ "Original network ID", "dvb-ci.hc.onid", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_transport_stream_id,
|
|
{ "Transport stream ID", "dvb-ci.hc.tsid", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_service_id,
|
|
{ "Service ID", "dvb-ci.hc.svcid", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_replacement_ref,
|
|
{ "Replacement reference", "dvb-ci.hc.replacement_ref",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_replaced_pid,
|
|
{ "Replaced PID", "dvb-ci.hc.replaced_pid", FT_UINT16,
|
|
BASE_HEX, NULL, 0x1FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_replacement_pid,
|
|
{ "Replacement PID", "dvb-ci.hc.replacement_pid", FT_UINT16,
|
|
BASE_HEX, NULL, 0x1FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_pmt_flag,
|
|
{ "PMT flag", "dvb-ci.hc.pmt_flag", FT_UINT8, BASE_HEX,
|
|
NULL, 0x01, NULL, HFILL } },
|
|
{ &hf_dvbci_hc_desc_loop_len,
|
|
{ "Descriptor loop length", "dvb-ci.hc.desc_loop_len", FT_UINT16,
|
|
BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_hc_desc_loop,
|
|
{ "Descriptor loop", "dvb-ci.hc.desc_loop", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_hc_pmt,
|
|
{ "Program map section", "dvb-ci.hc.pmt", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_hc_status,
|
|
{ "Status field", "dvb-ci.hc.status_field", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_hc_status), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_resp_intv,
|
|
{ "Response interval", "dvb-ci.dt.resp_interval",
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_utc_time,
|
|
{ "UTC time", "dvb-ci.dt.utc_time",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } },
|
|
/* we have to use FT_INT16 instead of FT_RELATIVE_TIME,
|
|
local offset can be negative */
|
|
{ &hf_dvbci_local_offset,
|
|
{ "Local time offset", "dvb-ci.dt.local_offset", FT_INT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_close_mmi_cmd_id,
|
|
{ "Command ID", "dvb-ci.mmi.close_mmi_cmd_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_close_mmi_cmd_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_close_mmi_delay,
|
|
{ "Delay (in sec)", "dvb-ci.mmi.delay", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_disp_ctl_cmd,
|
|
{ "Command", "dvb-ci.mmi.disp_ctl_cmd", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_disp_ctl_cmd), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_mmi_mode,
|
|
{ "MMI mode", "dvb-ci.mmi.mode", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_mmi_mode), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_disp_rep_id,
|
|
{ "Reply ID", "dvb-ci.mmi.disp_rep_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_disp_rep_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_char_tbl,
|
|
{ "Character table", "dvb-ci.mmi.char_tbl", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_char_tbl), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_blind_ans,
|
|
{ "Blind answer flag", "dvb-ci.mmi.blind_ans", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_blind_ans), 0x01, NULL, HFILL } },
|
|
{ &hf_dvbci_ans_txt_len,
|
|
{ "Answer text length", "dvb-ci.mmi.ans_txt_len",
|
|
FT_UINT8, BASE_DEC, NULL , 0, NULL, HFILL } },
|
|
{ &hf_dvbci_text_ctrl,
|
|
{ "Text control code", "dvb-ci.mmi.text_ctrl", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_text_ctrl), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ans_id,
|
|
{ "Answer ID", "dvb-ci.mmi.ans_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_ans_id) , 0, NULL, HFILL } },
|
|
{ &hf_dvbci_choice_nb,
|
|
{ "Number of menu items", "dvb-ci.mmi.choice_nb", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_choice_ref,
|
|
{ "Selected item", "dvb-ci.mmi.choice_ref", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_item_nb,
|
|
{ "Number of list items", "dvb-ci.mmi.item_nb", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_host_country,
|
|
{ "Host country", "dvb-ci.hlc.country", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_host_language,
|
|
{ "Host language", "dvb-ci.hlc.language", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cup_type,
|
|
{ "CAM upgrade type", "dvb-ci.cup.type", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cup_type), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cup_download_time,
|
|
{ "Download time", "dvb-ci.cup.download_time", FT_UINT16, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cup_answer,
|
|
{ "CAM upgrade answer", "dvb-ci.cup.answer", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cup_answer), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cup_progress,
|
|
{ "CAM upgrade progress", "dvb-ci.cup.progress", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cup_reset,
|
|
{ "requested CAM reset", "dvb-ci.cup.reset", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cup_reset), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_sys_id_bitmask,
|
|
{ "CC system id bitmask", "dvb-ci.cc.sys_id_bitmask", FT_UINT8,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_dat_id,
|
|
{ "CC datatype id", "dvb-ci.cc.datatype_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cc_dat_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_brand_cert,
|
|
{ "Brand certificate", "dvb-ci.cc.brand_cert", FT_NONE, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_dvbci_dev_cert,
|
|
{ "Device certificate", "dvb-ci.cc.dev_cert", FT_NONE, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_dvbci_uri_ver,
|
|
{ "URI version", "dvb-ci.cc.uri.version", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_uri_aps,
|
|
{ "APS", "dvb-ci.cc.uri.aps", FT_UINT8,
|
|
BASE_HEX, NULL, 0xC0, NULL, HFILL } },
|
|
{ &hf_dvbci_uri_emi,
|
|
{ "EMI", "dvb-ci.cc.uri.emi", FT_UINT8,
|
|
BASE_HEX, NULL, 0x30, NULL, HFILL } },
|
|
{ &hf_dvbci_uri_ict,
|
|
{ "Image constraint token", "dvb-ci.cc.uri.ict", FT_UINT8,
|
|
BASE_HEX, NULL, 0x08, NULL, HFILL } },
|
|
{ &hf_dvbci_uri_rct,
|
|
{ "Redistribution control trigger (RCT)", "dvb-ci.cc.uri.ict",
|
|
FT_UINT8, BASE_HEX, NULL, 0x04, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_key_register,
|
|
{ "Key register", "dvb-ci.cc.key_register", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cc_key_register), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_status_field,
|
|
{ "Status field", "dvb-ci.cc.status_field", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cc_status), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_op_mode,
|
|
{ "Operating mode", "dvb-ci.cc.op_mode", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cc_op_mode), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_data,
|
|
{ "Data", "dvb-ci.cc.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_msg_ctr,
|
|
{ "Message counter", "dvb-ci.cc.sac.msg_ctr", FT_UINT32, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_proto_ver,
|
|
{ "Protocol version", "dvb-ci.cc.sac.proto_ver", FT_UINT8, BASE_HEX,
|
|
NULL, 0xF0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_auth_cip,
|
|
{ "Authentication cipher", "dvb-ci.cc.sac.auth_cip", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_cc_sac_auth), 0x0E, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_payload_enc,
|
|
{ "Payload encryption flag", "dvb-ci.cc.sac.payload_enc", FT_UINT8,
|
|
BASE_HEX, NULL, 0x01, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_enc_cip,
|
|
{ "Encryption cipher", "dvb-ci.cc.sac.enc_cip", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_cc_sac_enc), 0xE0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_payload_len,
|
|
{ "Payload length", "dvb-ci.cc.sac.payload_len", FT_UINT16,
|
|
BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_enc_body,
|
|
{ "Encrypted SAC body", "dvb-ci.cc.sac.enc_body", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sac_signature,
|
|
{ "Signature", "dvb-ci.cc.sac.signature", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_rating,
|
|
{ "Rating", "dvb-ci.cc.rating", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_capability_field,
|
|
{ "Capability field", "dvb-ci.cc.capability_field", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_cc_cap), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_pin_chg_time,
|
|
{ "PIN change time (UTC)", "dvb-ci.cc.pin_change_time",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_pincode_status,
|
|
{ "Pincode status field", "dvb-ci.cc.pincode_status_field", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_pincode_status), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_prog_num,
|
|
{ "Program number", "dvb-ci.cc.program_number", FT_UINT16,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_pin_evt_time,
|
|
{ "PIN event time (UTC)", "dvb-ci.cc.pin_event_time",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_pin_evt_cent,
|
|
{ "PIN event time centiseconds", "dvb-ci.cc.pin_event_time_centi",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cc_priv_data,
|
|
{ "Private data", "dvb-ci.cc.private_data", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_pincode,
|
|
{ "PIN code", "dvb-ci.cc.pincode", FT_STRING,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_app_dom_id,
|
|
{ "Application Domain Identifier", "dvb-ci.ami.app_dom_id",
|
|
FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_init_obj,
|
|
{ "Initial Object", "dvb-ci.ami.init_obj", FT_STRING,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ack_code,
|
|
{ "Acknowledgement", "dvb-ci.ami.ack_code", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_ack_code), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_req_type,
|
|
{ "Request type", "dvb-ci.ami.req_type", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_req_type), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_file_hash,
|
|
{ "File hash", "dvb-ci.ami.file_hash", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_file_name,
|
|
{ "File name", "dvb-ci.ami.file_name", FT_STRING,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_ami_priv_data,
|
|
{ "Private data", "dvb-ci.ami.private_data", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_req_ok,
|
|
{ "RequestOK", "dvb-ci.ami.request_ok", FT_UINT8, BASE_HEX,
|
|
NULL, 0x02, NULL, HFILL } },
|
|
{ &hf_dvbci_file_ok,
|
|
{ "FileOK", "dvb-ci.ami.file_ok", FT_UINT8, BASE_HEX,
|
|
NULL, 0x01, NULL, HFILL } },
|
|
{ &hf_dvbci_file_data,
|
|
{ "File data", "dvb-ci.ami.file_data", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_abort_req_code,
|
|
{ "Abort request code", "dvb-ci.ami.abort_req_code", FT_BYTES,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_abort_ack_code,
|
|
{ "Abort acknowledgement code", "dvb-ci.ami.abort_ack_code",
|
|
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_phase_id,
|
|
{ "Phase ID", "dvb-ci.lsc.comms_phase_id", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_comms_rep_id,
|
|
{ "Comms reply ID", "dvb-ci.lsc.comms_reply_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_comms_rep_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_buf_size,
|
|
{ "Buffer size", "dvb-ci.lsc.buf_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_ret_val,
|
|
{ "Return value", "dvb-ci.lsc.return_value", FT_UINT8, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_comms_cmd_id,
|
|
{ "Comms command ID", "dvb-ci.lsc.comms_cmd_id", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_comms_cmd_id), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_conn_desc_type,
|
|
{ "Type", "dvb-ci.lsc.conn_desc_type", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_conn_desc_type), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_media_tag,
|
|
{ "Tag", "dvb-ci.lsc.media_tag", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_lsc_desc_tag), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_media_len,
|
|
{ "Length", "dvb-ci.lsc.media_len", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_ip_ver,
|
|
{ "IP version", "dvb-ci.lsc.ip_version", FT_UINT8, BASE_DEC,
|
|
VALS(dvbci_lsc_ip_ver), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_ipv4_addr,
|
|
{ "IP address", "dvb-ci.lsc.ipv4_addr", FT_IPv4, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_ipv6_addr,
|
|
{ "IPv6 address", "dvb-ci.lsc.ipv6_addr", FT_IPv6, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_dst_port,
|
|
{ "Destination port", "dvb-ci.lsc.dst_port", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_proto,
|
|
{ "Protocol", "dvb-ci.lsc.protocol", FT_UINT8, BASE_HEX,
|
|
VALS(dvbci_lsc_proto), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_hostname,
|
|
{ "Hostname", "dvb-ci.lsc.hostname", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_retry_count,
|
|
{ "Retry count", "dvb-ci.lsc.retry_count", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_timeout,
|
|
{ "Timeout", "dvb-ci.lsc.timeout", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_lsc_msg,
|
|
{ "Message", "dvb-ci.lsc.message", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
/* filter string for hf_dvbci_info_ver_op_status and
|
|
* hf_dvbci_info_ver_op_info below is the same, it seems this is ok */
|
|
{ &hf_dvbci_info_ver_op_status,
|
|
{ "Info version", "dvb-ci.opp.info_ver", FT_UINT8, BASE_HEX,
|
|
NULL, 0xE0, NULL, HFILL } },
|
|
{ &hf_dvbci_nit_ver,
|
|
{ "NIT version", "dvb-ci.opp.nit_ver", FT_UINT8, BASE_HEX,
|
|
NULL, 0x1F, NULL, HFILL } },
|
|
{ &hf_dvbci_pro_typ,
|
|
{ "Profile type", "dvb-ci.opp.profile_type", FT_UINT8, BASE_HEX,
|
|
NULL, 0xC0, NULL, HFILL } },
|
|
{ &hf_dvbci_init_flag,
|
|
{ "Initialized flag", "dvb-ci.opp.init_flag", FT_UINT8, BASE_HEX,
|
|
NULL, 0x20, NULL, HFILL } },
|
|
{ &hf_dvbci_ent_chg_flag,
|
|
{ "Entitlement change flag", "dvb-ci.opp.ent_chg_flag", FT_UINT8,
|
|
BASE_HEX, NULL, 0x10, NULL, HFILL } },
|
|
{ &hf_dvbci_ent_val_flag,
|
|
{ "Entitlement valid flag", "dvb-ci.opp.ent_val_flag", FT_UINT8,
|
|
BASE_HEX, NULL, 0x08, NULL, HFILL } },
|
|
{ &hf_dvbci_ref_req_flag,
|
|
{ "Refresh request flag", "dvb-ci.opp.refresh_req_flag", FT_UINT8,
|
|
BASE_HEX, NULL, 0x03, NULL, HFILL } },
|
|
{ &hf_dvbci_err_flag,
|
|
{ "Error flag", "dvb-ci.opp.err_flag", FT_UINT8, BASE_HEX,
|
|
NULL, 0xF0, NULL, HFILL } },
|
|
{ &hf_dvbci_dlv_sys_hint,
|
|
{ "Delivery system hint", "dvb-ci.opp.dlv_sys_hint", FT_UINT8,
|
|
BASE_HEX, NULL, 0x0F, NULL, HFILL } },
|
|
{ &hf_dvbci_refr_req_date,
|
|
{ "Refresh request date", "dvb-ci.opp.refresh_req_date", FT_UINT16,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_refr_req_time,
|
|
{ "Refresh request time", "dvb-ci.opp.refresh_req_time", FT_UINT8,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_nit_loop_len,
|
|
{ "NIT loop length", "dvb-ci.opp.nit_loop_len", FT_UINT16,
|
|
BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_nit,
|
|
{ "NIT", "dvb-ci.opp.nit", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_info_valid,
|
|
{ "Info valid", "dvb-ci.opp.info_valid", FT_UINT8,
|
|
BASE_HEX, NULL, 0x08, NULL, HFILL } },
|
|
{ &hf_dvbci_info_ver_op_info,
|
|
{ "Info version", "dvb-ci.opp.info_ver", FT_UINT8, BASE_HEX,
|
|
NULL, 0x07, NULL, HFILL } },
|
|
{ &hf_dvbci_cicam_onid,
|
|
{ "CICAM original network id", "dvb-ci.opp.cicam_onid", FT_UINT16,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_cicam_id,
|
|
{ "CICAM ID", "dvb-ci.opp.cicam_id", FT_UINT32,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_char_tbl_multi,
|
|
{ "Multi-byte character table", "dvb-ci.opp.char_tbl_multi",
|
|
FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_char_tbl,
|
|
{ "Character code table", "dvb-ci.opp.char_tbl", FT_UINT8,
|
|
BASE_HEX, VALS(dvbci_char_tbl), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_enc_type_id,
|
|
{ "Encoding type ID", "dvb-ci.opp.enc_type_id", FT_UINT8,
|
|
BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sdt_rst_trusted,
|
|
{ "SDT running status trusted", "dvb-ci.opp.sdt_rst_trusted",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvbci_eit_rst_trusted,
|
|
{ "EIT running status trusted", "dvb-ci.opp.eit_rst_trusted",
|
|
FT_UINT8, BASE_HEX, NULL, 0x40, NULL, HFILL } },
|
|
{ &hf_dvbci_eit_pf_usage,
|
|
{ "EIT present/following usage", "dvb-ci.opp.eit_pf_usage",
|
|
FT_UINT8, BASE_HEX, NULL, 0x30, NULL, HFILL } },
|
|
{ &hf_dvbci_eit_sch_usage,
|
|
{ "EIT schedule usage", "dvb-ci.opp.eit_sch_usage",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0E, NULL, HFILL } },
|
|
{ &hf_dvbci_ext_evt_usage,
|
|
{ "Extended event usage", "dvb-ci.opp.ext_evt_usage",
|
|
FT_UINT8, BASE_HEX, NULL, 0x01, NULL, HFILL } },
|
|
{ &hf_dvbci_sdt_oth_trusted,
|
|
{ "SDT_other trusted", "dvb-ci.opp.sdt_oth_trusted",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvbci_eit_evt_trigger,
|
|
{ "EIT event trigger", "dvb-ci.opp.eit_evt_trigger",
|
|
FT_UINT8, BASE_HEX, NULL, 0x40, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_lang_code,
|
|
{ "Language code", "dvb-ci.opp.lang_code", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_prof_name,
|
|
{ "Profile name", "dvb-ci.opp.profile_name", FT_UINT_STRING,
|
|
BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_unattended,
|
|
{ "Unattended flag", "dvb-ci.opp.unattended_flag", FT_UINT8,
|
|
BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_srv_type,
|
|
{ "Service type", "dvb-ci.opp.service_type",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_dlv_cap_byte,
|
|
{ "Delivery capability byte", "dvb-ci.opp.dlv_cap_byte",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
/* the CI+ spec is not particularly clear about this but an
|
|
* application id in the capability loop must always be 2 bytes */
|
|
{ &hf_dvbci_app_cap_bytes,
|
|
{ "Application capability bytes", "dvb-ci.opp.app_cap_bytes",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_desc_num,
|
|
{ "Next unprocessed descriptor number", "dvb-ci.opp.desc_num",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sig_strength,
|
|
{ "Signal strength", "dvb-ci.opp.sig_strength", FT_UINT8,
|
|
BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sig_qual,
|
|
{ "Signal quality", "dvb-ci.opp.sig_qual", FT_UINT8,
|
|
BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_tune_status,
|
|
{ "Tuning status", "dvb-ci.opp.tune_status", FT_UINT8,
|
|
BASE_HEX, NULL, 0xF0, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_desc_loop_len,
|
|
{ "Descriptor loop length", "dvb-ci.opp.desc_loop_len", FT_UINT16,
|
|
BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvbci_opp_desc_loop,
|
|
{ "Descriptor loop", "dvb-ci.opp.desc_loop", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sas_app_id,
|
|
{ "Application ID", "dvb-ci.sas.app_id", FT_UINT64, BASE_HEX,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sas_sess_state,
|
|
{ "Connection state", "dvb-ci.sas.sess_state", FT_UINT8, BASE_DEC,
|
|
VALS(dvbci_sas_sess_state), 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sas_msg_nb,
|
|
{ "Message number", "dvb-ci.sas.msg_nb", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sas_msg_len,
|
|
{ "Message length", "dvb-ci.sas.msg_len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvbci_sas_msg,
|
|
{ "Message", "dvb-ci.sas.message", FT_BYTES, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } }
|
|
};
|
|
|
|
spdu_table = g_hash_table_new(g_direct_hash, g_direct_equal);
|
|
for(i=0; i<array_length(spdu_info); i++) {
|
|
g_hash_table_insert(spdu_table,
|
|
GUINT_TO_POINTER((guint)spdu_info[i].tag),
|
|
(gpointer)(&spdu_info[i]));
|
|
}
|
|
|
|
apdu_table = g_hash_table_new(g_direct_hash, g_direct_equal);
|
|
for(i=0; i<array_length(apdu_info); i++) {
|
|
g_hash_table_insert(apdu_table,
|
|
GUINT_TO_POINTER((guint)apdu_info[i].tag),
|
|
(gpointer)(&apdu_info[i]));
|
|
}
|
|
|
|
proto_dvbci = proto_register_protocol(
|
|
"DVB Common Interface", "DVB-CI", "dvb-ci");
|
|
proto_register_field_array(proto_dvbci, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
dvbci_module = prefs_register_protocol(
|
|
proto_dvbci, proto_reg_handoff_dvbci);
|
|
prefs_register_string_preference(dvbci_module,
|
|
"sek", "SAC Encryption Key", "SAC Encryption Key (16 hex bytes)",
|
|
(const gchar **)&dvbci_sek);
|
|
prefs_register_string_preference(dvbci_module,
|
|
"siv", "SAC Init Vector", "SAC Init Vector (16 hex bytes)",
|
|
(const gchar **)&dvbci_siv);
|
|
|
|
register_init_routine(dvbci_init);
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_dvbci(void)
|
|
{
|
|
dissector_handle_t dvbci_handle;
|
|
|
|
dvbci_handle = new_create_dissector_handle(dissect_dvbci, proto_dvbci);
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_DVBCI, dvbci_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|