diff options
Diffstat (limited to 'epan/dissectors/packet-dvbci.c')
| -rw-r--r-- | epan/dissectors/packet-dvbci.c | 6507 |
1 files changed, 6507 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dvbci.c b/epan/dissectors/packet-dvbci.c new file mode 100644 index 00000000..371e2b40 --- /dev/null +++ b/epan/dissectors/packet-dvbci.c @@ -0,0 +1,6507 @@ +/* packet-dvbci.c + * Routines for DVB-CI (Common Interface) dissection + * Copyright 2011-2015, Martin Kaiser <martin@kaiser.cx> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* This dissector supports DVB-CI as defined in EN50221 and + * CI+ (www.ci-plus.com). + * For more details, see https://gitlab.com/wireshark/wireshark/-/wikis/DVB-CI. + * + * The pcap input format for this dissector is documented at + * http://www.kaiser.cx/pcap-dvbci.html. + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/addr_resolv.h> +#include <epan/conversation.h> +#include <epan/dvb_chartbl.h> +#include <epan/exported_pdu.h> +#include <epan/reassemble.h> +#include <epan/prefs.h> +#include <epan/tap.h> +#include <epan/expert.h> +#include <epan/asn1.h> +#include "packet-dvbci.h" +#include "packet-mpeg-descriptor.h" +#include "packet-mpeg-sect.h" +#include "packet-x509af.h" +#include "packet-x509ce.h" +#include "packet-ber.h" +#include <wsutil/wsgcrypt.h> +#include <wsutil/pint.h> + +void proto_register_dvbci(void); +void proto_reg_handoff_dvbci(void); + +#define AES_BLOCK_LEN 16 +#define AES_KEY_LEN 16 + +#define EXPORTED_SAC_MSG_PROTO "ciplus_sac_msg" +#define EXPORTED_SAC_MSG_DESCRIPTION "CI+ SAC message" + +#define IS_DATA_TRANSFER(e) (e==DVBCI_EVT_DATA_CAM_TO_HOST || e==DVBCI_EVT_DATA_HOST_TO_CAM) + +/* direction of data transfer in [as]pdu_info_t and elsewhere */ +#define DATA_CAM_TO_HOST DVBCI_EVT_DATA_CAM_TO_HOST +#define DATA_HOST_TO_CAM DVBCI_EVT_DATA_HOST_TO_CAM +#define DIRECTION_ANY 0x0 + +/* source/destination address field */ +#define ADDR_HOST "Host" +#define ADDR_CAM "CAM" + +/* hardware event */ +#define CAM_IN 0x01 +#define CAM_OUT 0x02 +#define POWER_ON 0x03 +#define POWER_OFF 0x04 +#define TS_ROUTE 0x05 +#define TS_BYPASS 0x06 +#define RESET_H 0x07 +#define RESET_L 0x08 +#define READY_H 0x09 +#define READY_L 0x0A + +/* Card Information Structure (CIS) */ + +/* tuples */ +#define CISTPL_NO_LINK 0x14 +#define CISTPL_VERS_1 0x15 +#define CISTPL_CONFIG 0x1A +#define CISTPL_CFTABLE_ENTRY 0x1B +#define CISTPL_DEVICE_OC 0x1C +#define CISTPL_DEVICE_OA 0x1D +#define CISTPL_MANFID 0x20 +#define CISTPL_END 0xFF +/* subtuple */ +#define CCSTPL_CIF 0xC0 +/* interface types */ +#define TPCE_IF_TYPE_MEM 0 +#define TPCE_IF_TYPE_IO_MEM 1 +#define TPCE_IF_TYPE_CUST0 4 +#define TPCE_IF_TYPE_CUST1 5 +#define TPCE_IF_TYPE_CUST2 6 +#define TPCE_IF_TYPE_CUST3 7 +/* "voltage used" field in the device tuples */ +#define CIS_DEV_VCC50 0 +#define CIS_DEV_VCC33 1 + +/* link layer */ +#define ML_MORE 0x80 +#define ML_LAST 0x00 + +/* base values of sequence ids for reassembly of fragmented tpdus + if there's two open transport connections, their tpdu fragments may be + interleaved, we must add the tcid to the base value in order to + distinguish between different transport connections + TPDU_SEQ_ID_BASE and SPDU_SEQ_ID_BASE can be arbitrary 32bit values, they + must be more than 256 apart since we add the 8bit tcid */ +#define TPDU_SEQ_ID_BASE 123 +/* same as above, the spdu fragments are also demultiplexed based on the + t_c_id field */ +#define SPDU_SEQ_ID_BASE 2417 + +/* transport layer */ +#define NO_TAG 0x00 +#define T_SB 0x80 +#define T_RCV 0x81 +#define T_CREATE_T_C 0x82 +#define T_C_T_C_REPLY 0x83 +#define T_DELETE_T_C 0x84 +#define T_D_T_C_REPLY 0x85 +#define T_REQUEST_T_C 0x86 +#define T_NEW_T_C 0x87 +#define T_T_C_ERROR 0x88 +#define T_DATA_LAST 0xA0 +#define T_DATA_MORE 0xA1 + +#define SB_VAL_MSG_AVAILABLE 0x80 +#define SB_VAL_NO_MSG_AVAILABLE 0x00 + +/* session layer */ +#define T_SESSION_NUMBER 0x90 +#define T_OPEN_SESSION_REQUEST 0x91 +#define T_OPEN_SESSION_RESPONSE 0x92 +#define T_CREATE_SESSION 0x93 +#define T_CREATE_SESSION_RESPONSE 0x94 +#define T_CLOSE_SESSION_REQUEST 0x95 +#define T_CLOSE_SESSION_RESPONSE 0x96 + +/* status for open/create session */ +#define SESS_OPENED 0x00 +#define SESS_NOT_OPENED_RES_NON_EXIST 0xF0 +#define SESS_NOT_OPENED_RES_UNAVAIL 0xF1 +#define SESS_NOT_OPENED_RES_VER_LOWER 0xF2 +#define SESS_NOT_OPENED_RES_BUSY 0xF3 + +/* status for close session */ +#define SESS_CLOSED 0x00 +#define SESS_NB_NOT_ALLOC 0xF0 + +/* circuit id from session number (16bit) and transport connection id * (8bit) */ +#define CT_ID(s,t) ((guint32)(s<<8|t)) + +/* resource id */ +#define RES_ID_TYPE_MASK 0xC0000000 +#define RES_CLASS_MASK 0x3FFF0000 +#define RES_TYPE_MASK 0x0000FFC0 +#define RES_VER_MASK 0x0000003F + +/* resource class */ +#define RES_CLASS_RM 0x01 +#define RES_CLASS_AP 0x02 +#define RES_CLASS_CA 0x03 +#define RES_CLASS_AUT 0x10 +#define RES_CLASS_HC 0x20 +#define RES_CLASS_DT 0x24 +#define RES_CLASS_MMI 0x40 +#define RES_CLASS_AMI 0x41 +#define RES_CLASS_LSC 0x60 +#define RES_CLASS_CC 0x8C +#define RES_CLASS_HLC 0x8D +#define RES_CLASS_CUP 0x8E +#define RES_CLASS_OPP 0x8F +#define RES_CLASS_AFS 0x91 +#define RES_CLASS_SAS 0x96 + +#define RES_ID_LEN 4 /* bytes */ +#define RES_CLASS(_res_id) (_res_id & RES_CLASS_MASK) >> 16 +#define RES_VER(_res_id) (_res_id & RES_VER_MASK) + +/* appinfo resource */ +#define APP_TYPE_CA 0x1 +#define APP_TYPE_EPG 0x2 + +#define DATA_RATE_72 0x0 +#define DATA_RATE_96 0x1 + +/* ca resource */ +#define LIST_MGMT_MORE 0x0 +#define LIST_MGMT_FIRST 0x1 +#define LIST_MGMT_LAST 0x2 +#define LIST_MGMT_ONLY 0x3 +#define LIST_MGMT_ADD 0x4 +#define LIST_MGMT_UPDATE 0x5 + +#define CMD_ID_OK_DESCR 0x1 +#define CMD_ID_OK_MMI 0x2 +#define CMD_ID_QUERY 0x3 +#define CMD_ID_NOT_SELECTED 0x4 + +#define CA_DESC_TAG 0x9 + +#define CA_ENAB_DESC_OK 0x01 +#define CA_ENAB_DESC_OK_PURCHASE 0x02 +#define CA_ENAB_DESC_OK_TECH 0x03 +#define CA_ENAB_DESC_NG_ENTITLEMENT 0x71 +#define CA_ENAB_DESC_NG_TECH 0x73 + +/* host control resource */ +#define HC_STAT_OK 0x0 +#define HC_STAT_ERR_DLVRY 0x1 +#define HC_STAT_ERR_LOCK 0x2 +#define HC_STAT_ERR_BUSY 0x3 +#define HC_STAT_ERR_PARAM 0x4 +#define HC_STAT_ERR_NOT_FOUND 0x5 +#define HC_STAT_ERR_UNKNOWN 0x6 + +#define HC_RELEASE_OK 0x0 +#define HC_RELEASE_REFUSED 0x1 + +/* mmi resource */ +#define CLOSE_MMI_CMD_ID_IMMEDIATE 0x0 +#define CLOSE_MMI_CMD_ID_DELAY 0x1 + +/* only commands and parameters for high-level mmi are supported */ +#define DISP_CMD_SET_MMI_MODE 1 +#define DISP_CMD_GET_DISP_TBL 2 +#define DISP_CMD_GET_INP_TBL 3 + +#define MMI_MODE_HIGH 1 + +#define DISP_REP_ID_MMI_MODE_ACK 0x01 +#define DISP_REP_ID_DISP_CHAR_TBL 0x02 +#define DISP_REP_ID_INP_CHAR_TBL 0x03 +#define DISP_REP_ID_UNKNOWN_CMD 0xF0 +#define DISP_REP_ID_UNKNOWN_MMI_MODE 0xF1 +#define DISP_REP_ID_UNKNOWN_CHAR_TBL 0xF2 + +#define VISIBLE_ANS 0 +#define BLIND_ANS 1 + +#define ANSW_ID_CANCEL 0x00 +#define ANSW_ID_ANSWER 0x01 + +/* used for answer_text_length, choice_nb and item_nb */ +#define NB_UNKNOWN 0xFF + +/* cam upgrade resource */ +#define CUP_DELAYED 0x0 +#define CUP_IMMEDIATE 0x1 + +#define CUP_ANS_NO 0x0 +#define CUP_ANS_YES 0x1 +#define CUP_ANS_ASK 0x2 + +#define CUP_RESET_PCMCIA 0x0 +#define CUP_RESET_CMDIF 0x1 +#define CUP_RESET_NONE 0x2 + +/* content control resource */ +#define CC_ID_HOST_ID 0x05 +#define CC_ID_CICAM_ID 0x06 +#define CC_ID_HOST_BRAND_CERT 0x07 +#define CC_ID_CICAM_BRAND_CERT 0x08 +#define CC_ID_KP 0x0C +#define CC_ID_DHPH 0x0D +#define CC_ID_DHPM 0x0E +#define CC_ID_HOST_DEV_CERT 0x0F +#define CC_ID_CICAM_DEV_CERT 0x10 +#define CC_ID_SIG_A 0x11 +#define CC_ID_SIG_B 0x12 +#define CC_ID_AUTH_NONCE 0x13 +#define CC_ID_NS_HOST 0x14 +#define CC_ID_NS_MODULE 0x15 +#define CC_ID_AKH 0x16 +#define CC_ID_URI 0x19 +#define CC_ID_PROG_NUM 0x1A +#define CC_ID_URI_CNF 0x1B +#define CC_ID_KEY_REGISTER 0x1C +#define CC_ID_URI_VERSIONS 0x1D +#define CC_ID_STATUS_FIELD 0x1E +#define CC_ID_SRM_DATA 0x1F +#define CC_ID_SRM_CONFIRM 0x20 +#define CC_ID_CICAM_LICENSE 0x21 +#define CC_ID_LICENSE_STATUS 0x22 +#define CC_ID_LICENSE_RCV_STATUS 0x23 +#define CC_ID_HOST_LICENSE 0x24 +#define CC_ID_PLAY_COUNT 0x25 +#define CC_ID_OPERATING_MODE 0x26 +#define CC_ID_PINCODE_DATA 0x27 +#define CC_ID_REC_START_STATUS 0x28 +#define CC_ID_MODE_CHG_STATUS 0x29 +#define CC_ID_REC_STOP_STATUS 0x2A + +#define CC_EMI_FREE 0x00 +#define CC_EMI_NO_MORE 0x01 +#define CC_EMI_ONCE 0x02 +#define CC_EMI_NEVER 0x03 + +#define CC_KEY_EVEN 0x0 +#define CC_KEY_ODD 0x1 + +#define CC_STATUS_OK 0x0 +#define CC_STATUS_NO_CC_SUPPORT 0x1 +#define CC_STATUS_HOST_BUSY 0x2 +#define CC_STATUS_AUTH_FAILED_OR_NO_SRM 0x3 +#define CC_STATUS_CICAM_BUSY 0x4 +#define CC_STATUS_REC_MODE_ERR 0x5 + +#define SAC_MSG_HDR_LEN 8 + +#define CC_SAC_AUTH_AES128_XCBC_MAC 0x0 +#define CC_SAC_ENC_AES128_CBC 0x0 + +#define CC_CAP_NONE 0x0 +#define CC_CAP_CAS_PIN 0x1 +#define CC_CAP_CAS_FTA_PIN 0x2 +#define CC_CAP_CAS_PIN_CACHED 0x3 +#define CC_CAP_CAS_FTA_PIN_CACHED 0x4 + +/* length of DVB-SI utc time field in bytes */ +#define UTC_TIME_LEN 5 + +#define CC_PIN_BAD 0x0 +#define CC_PIN_CAM_BUSY 0x1 +#define CC_PIN_OK 0x2 +#define CC_PIN_UNCONFIRMED 0x3 +#define CC_PIN_VB_NOT_REQ 0x4 +#define CC_PIN_CSA 0x5 + +#define CC_OP_MODE_WATCH_BUFFER 0x0 +#define CC_OP_MODE_TIMESHIFT 0x1 +#define CC_OP_MODE_UNATTENDED 0x2 + +/* application mmi resource */ +#define ACK_CODE_OK 0x1 +#define ACK_CODE_WRONG_API 0x2 +#define ACK_CODE_API_BUSY 0x3 + +#define REQ_TYPE_FILE 0x0 +#define REQ_TYPE_DATA 0x1 +#define REQ_TYPE_FILE_HASH 0x2 +#define REQ_TYPE_REQ 0x3 + +/* lsc resource */ +#define COMMS_CMD_ID_CONNECT_ON_CHANNEL 1 +#define COMMS_CMD_ID_DISCONNECT_ON_CHANNEL 2 +#define COMMS_CMD_ID_SET_PARAMS 3 +#define COMMS_CMD_ID_ENQUIRE_STATUS 4 +#define COMMS_CMD_ID_GET_NEXT_BUFFER 5 + +#define CONN_DESC_TEL 1 +#define CONN_DESC_CABLE 2 +#define CONN_DESC_IP 3 +#define CONN_DESC_HOSTNAME 4 + +#define LSC_DESC_IP 0xCF +#define LSC_DESC_HOSTNAME 0xCD + +#define LSC_IPV4 1 +#define LSC_IPV6 2 + +#define LSC_TCP 1 +#define LSC_UDP 2 + +#define COMMS_REP_ID_CONNECT_ACK 1 +#define COMMS_REP_ID_DISCONNECT_ACK 2 +#define COMMS_REP_ID_SET_PARAMS_ACK 3 +#define COMMS_REP_ID_STATUS_REPLY 4 +#define COMMS_REP_ID_GET_NEXT_BUFFER_ACK 5 +#define COMMS_REP_ID_SEND_ACK 6 + +#define LSC_RET_OK 0 +#define LSC_DISCONNECTED 0 +#define LSC_CONNECTED 1 +#define LSC_RET_TOO_BIG 0xFE + +/* auxiliary file system resource */ +#define AFS_ACK_RSV 0 +#define AFS_ACK_OK 1 +#define AFS_ACK_UNKNOWN 2 + +/* operator profile resource */ +#define TABLE_ID_CICAM_NIT 0x40 /* CICAM NIT must be a NIT actual */ + +#define OPP_REF_REG_FLG_NONE 0 +#define OPP_REF_REG_FLG_ADV 1 +#define OPP_REF_REG_FLG_URG 2 +#define OPP_REF_REG_FLG_SCHED 3 + +#define OPP_ERR_FLG_OK 0 +#define OPP_ERR_FLG_PROF 1 +#define OPP_ERR_FLG_UNSUPPORTED 2 +#define OPP_ERR_FLG_CANCELLED 3 + +/* EIT p/f, EIT schedule usage */ +#define OPP_EIT_ABSENT 0 +#define OPP_EIT_NOT_X 1 +#define OPP_EIT_FULL_X 2 +#define OPP_EIT_BARKER 3 +#define OPP_EPG_APP 4 + +#define OPP_EXT_EVT_DIFF 0 +#define OPP_EXT_EVT_ADD 1 + +/* these values match the delivery system descriptor tags */ +#define OPP_DLV_CAP_S 0x43 +#define OPP_DLV_CAP_C 0x44 +#define OPP_DLV_CAP_T 0x5A +#define OPP_DLV_CAP_S2 0x79 + +#define OPP_TUNE_OK 0 +#define OPP_TUNE_UNSUPPORTED 1 +#define OPP_TUNE_INVALID 2 +#define OPP_TUNE_ERR 3 + +#define OPP_NO_MORE_DESC 0xFF + +/* sas resource */ +#define SAS_SESS_STATE_CONNECTED 0 +#define SAS_SESS_STATE_NOT_FOUND 1 +#define SAS_SESS_STATE_DENIED 2 + + +/* application layer */ + +#define APDU_TAG_SIZE 3 + +/* "don't care" value for min_len_field and len_field (this can't be 0) */ +#define LEN_FIELD_ANY G_MAXUINT32 + +static GHashTable *apdu_table = NULL; + +typedef struct _apdu_info_t { + guint32 tag; + /* the minimum length required for this apdu */ + guint32 min_len_field; + /* if the apdu has a well-known length, we enforce it here + * (otherwise, we set this to LEN_FIELD_ANY) */ + guint32 len_field; + guint8 direction; + guint16 res_class; + guint8 res_min_ver; + void (*dissect_payload)(guint32, gint, + tvbuff_t *, gint, conversation_t *, packet_info *, proto_tree *); +} apdu_info_t; + + +static void +dissect_dvbci_payload_rm(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_ap(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_ca(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_aut(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo _U_, proto_tree *tree); +static void +dissect_dvbci_payload_hc(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_dt(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_mmi(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_hlc(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_cup(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_cc(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_ami(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_lsc(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_opp(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_afs(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree); +static void +dissect_dvbci_payload_sas(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv, + packet_info *pinfo, proto_tree *tree); + + +/* apdu defines */ +#define T_PROFILE_ENQ 0x9F8010 +#define T_PROFILE 0x9F8011 +#define T_PROFILE_CHANGE 0x9F8012 +#define T_APP_INFO_ENQ 0x9F8020 +#define T_APP_INFO 0x9F8021 +#define T_ENTER_MENU 0x9F8022 +#define T_REQUEST_CICAM_RESET 0x9F8023 +#define T_DATARATE_INFO 0x9F8024 +#define T_CA_INFO_ENQ 0x9F8030 +#define T_CA_INFO 0x9F8031 +#define T_CA_PMT 0x9F8032 +#define T_CA_PMT_REPLY 0x9F8033 +#define T_AUTH_REQ 0x9F8200 +#define T_AUTH_RESP 0x9F8201 +#define T_TUNE 0x9F8400 +#define T_REPLACE 0x9F8401 +#define T_CLEAR_REPLACE 0x9F8402 +#define T_ASK_RELEASE 0x9F8403 +#define T_TUNE_BROADCAST_REQ 0x9F8404 +#define T_TUNE_REPLY 0x9F8405 +#define T_ASK_RELEASE_REPLY 0x9F8406 +#define T_TUNE_LCN_REQ 0x9F8407 +#define T_TUNE_IP_REQ 0x9F8408 +#define T_TUNE_TRIPLET_REQ 0x9F8409 +#define T_TUNE_STATUS_REQ 0x9F840A +#define T_TUNE_STATUS_REPLY 0x9F840B +#define T_DATE_TIME_ENQ 0x9F8440 +#define T_DATE_TIME 0x9F8441 +#define T_CLOSE_MMI 0x9F8800 +#define T_DISPLAY_CONTROL 0x9F8801 +#define T_DISPLAY_REPLY 0x9F8802 +#define T_ENQ 0x9F8807 +#define T_ANSW 0x9F8808 +#define T_MENU_LAST 0x9F8809 +#define T_MENU_MORE 0x9F880A +#define T_MENU_ANSW 0x9F880B +#define T_LIST_LAST 0x9F880C +#define T_LIST_MORE 0x9F880D +#define T_HOST_COUNTRY_ENQ 0x9F8100 +#define T_HOST_COUNTRY 0x9F8101 +#define T_HOST_LANGUAGE_ENQ 0x9F8110 +#define T_HOST_LANGUAGE 0x9F8111 +#define T_CAM_FIRMWARE_UPGRADE 0x9F9D01 +#define T_CAM_FIRMWARE_UPGRADE_REPLY 0x9F9D02 +#define T_CAM_FIRMWARE_UPGRADE_PROGRESS 0x9F9D03 +#define T_CAM_FIRMWARE_UPGRADE_COMPLETE 0x9F9D04 +#define T_CC_OPEN_REQ 0x9F9001 +#define T_CC_OPEN_CNF 0x9F9002 +#define T_CC_DATA_REQ 0x9F9003 +#define T_CC_DATA_CNF 0x9F9004 +#define T_CC_SYNC_REQ 0x9F9005 +#define T_CC_SYNC_CNF 0x9F9006 +#define T_CC_SAC_DATA_REQ 0x9F9007 +#define T_CC_SAC_DATA_CNF 0x9F9008 +#define T_CC_SAC_SYNC_REQ 0x9F9009 +#define T_CC_SAC_SYNC_CNF 0x9F9010 +#define T_CC_PIN_CAPABILITIES_REQ 0x9F9011 +#define T_CC_PIN_CAPABILITIES_REPLY 0x9F9012 +#define T_CC_PIN_CMD 0x9F9013 +#define T_CC_PIN_REPLY 0x9F9014 +#define T_CC_PIN_EVENT 0x9F9015 +#define T_CC_PIN_PLAYBACK 0x9F9016 +#define T_CC_PIN_MMI_REQ 0x9F9017 +#define T_REQUEST_START 0x9F8000 +#define T_REQUEST_START_ACK 0x9F8001 +#define T_FILE_REQUEST 0x9F8002 +#define T_FILE_ACKNOWLEDGE 0x9F8003 +#define T_APP_ABORT_REQUEST 0x9F8004 +#define T_APP_ABORT_ACK 0x9F8005 +#define T_COMMS_CMD 0x9F8C00 +#define T_COMMS_REPLY 0x9F8C02 +#define T_COMMS_SEND_LAST 0x9F8C03 +#define T_COMMS_SEND_MORE 0x9F8C04 +#define T_COMMS_RCV_LAST 0x9F8C05 +#define T_COMMS_RCV_MORE 0x9F8C06 +#define T_COMMS_IP_CONFIG_REQ 0x9F8C09 +#define T_COMMS_IP_CONFIG_REPLY 0x9F8C0A +#define T_AFS_FILE_SYSTEM_OFFER 0x9F9400 +#define T_AFS_FILE_SYSTEM_ACK 0x9F9401 +#define T_AFS_FILE_REQUEST 0x9F9402 +#define T_AFS_FILE_ACKNOWLEDGE 0x9F9403 +#define T_OPERATOR_STATUS_REQ 0x9F9C00 +#define T_OPERATOR_STATUS 0x9F9C01 +#define T_OPERATOR_NIT_REQ 0x9F9C02 +#define T_OPERATOR_NIT 0x9F9C03 +#define T_OPERATOR_INFO_REQ 0x9F9C04 +#define T_OPERATOR_INFO 0x9F9C05 +#define T_OPERATOR_SEARCH_START 0x9F9C06 +#define T_OPERATOR_SEARCH_STATUS 0x9F9C07 +#define T_OPERATOR_EXIT 0x9F9C08 +#define T_OPERATOR_TUNE 0x9F9C09 +#define T_OPERATOR_TUNE_STATUS 0x9F9C0A +#define T_OPERATOR_ENTITLEMENT_ACK 0x9F9C0B +#define T_OPERATOR_SEARCH_CANCEL 0x9F9C0C +#define T_SAS_CONNECT_RQST 0x9F9A00 +#define T_SAS_CONNECT_CNF 0x9F9A01 +#define T_SAS_ASYNC_MSG 0x9F9A07 + +/* these are no real apdus, they just use the same format */ +#define T_TEXT_LAST 0x9F8803 +#define T_TEXT_MORE 0x9F8804 +#define T_CONNECTION_DESCRIPTOR 0x9F8C01 + +#define IS_MENU_APDU(t) (t==T_MENU_MORE || t==T_MENU_LAST) + + +static const apdu_info_t apdu_info[] = { + {T_PROFILE_ENQ, 0, 0, DIRECTION_ANY, RES_CLASS_RM, 1, NULL}, + {T_PROFILE, 0, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_RM, 1, dissect_dvbci_payload_rm}, + {T_PROFILE_CHANGE, 0, 0, DIRECTION_ANY, RES_CLASS_RM, 1, NULL}, + + {T_APP_INFO_ENQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_AP, 1, NULL}, + {T_APP_INFO, 6, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AP, 1, dissect_dvbci_payload_ap}, + {T_ENTER_MENU, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_AP, 1, NULL}, + {T_REQUEST_CICAM_RESET, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_AP, 3, NULL}, + {T_DATARATE_INFO, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_AP, 3, dissect_dvbci_payload_ap}, + + {T_CA_INFO_ENQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_CA, 1, NULL}, + {T_CA_INFO, 0, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_CA, 1, dissect_dvbci_payload_ca}, + {T_CA_PMT, 6, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_CA, 1, dissect_dvbci_payload_ca}, + {T_CA_PMT_REPLY, 8, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_CA, 1, dissect_dvbci_payload_ca}, + + {T_AUTH_REQ, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AUT, 1, dissect_dvbci_payload_aut}, + {T_AUTH_RESP, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_AUT, 1, dissect_dvbci_payload_aut}, + + {T_TUNE, 0, 8, DATA_CAM_TO_HOST, RES_CLASS_HC, 1, dissect_dvbci_payload_hc}, + {T_REPLACE, 0, 5, DATA_CAM_TO_HOST, RES_CLASS_HC, 1, dissect_dvbci_payload_hc}, + {T_CLEAR_REPLACE, 0, 1, DATA_CAM_TO_HOST, RES_CLASS_HC, 1, dissect_dvbci_payload_hc}, + {T_ASK_RELEASE, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_HC, 1, NULL}, + {T_TUNE_BROADCAST_REQ, 5, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_HC, 2, dissect_dvbci_payload_hc}, + {T_TUNE_REPLY, 1, 1, DATA_HOST_TO_CAM, RES_CLASS_HC, 2, dissect_dvbci_payload_hc}, + {T_ASK_RELEASE_REPLY, 1, 1, DATA_CAM_TO_HOST, RES_CLASS_HC, 2, dissect_dvbci_payload_hc}, + + {T_DATE_TIME_ENQ, 0, 1, DATA_CAM_TO_HOST, RES_CLASS_DT, 1, dissect_dvbci_payload_dt}, + {T_DATE_TIME, 5, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_DT, 1, dissect_dvbci_payload_dt}, + + {T_CLOSE_MMI, 1, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_DISPLAY_CONTROL, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_DISPLAY_REPLY, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_ENQ, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_ANSW, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_MENU_LAST, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_MENU_MORE, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_MENU_ANSW, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_LIST_LAST, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + {T_LIST_MORE, 13, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_MMI, 1, dissect_dvbci_payload_mmi}, + + {T_HOST_COUNTRY_ENQ, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_HLC, 1, NULL}, + {T_HOST_COUNTRY, 0, 3, DATA_HOST_TO_CAM, RES_CLASS_HLC, 1, dissect_dvbci_payload_hlc}, + {T_HOST_LANGUAGE_ENQ, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_HLC, 1, NULL}, + {T_HOST_LANGUAGE, 0, 3, DATA_HOST_TO_CAM, RES_CLASS_HLC, 1, dissect_dvbci_payload_hlc}, + + {T_CAM_FIRMWARE_UPGRADE, 0, 3, DATA_CAM_TO_HOST, RES_CLASS_CUP, 1, dissect_dvbci_payload_cup}, + {T_CAM_FIRMWARE_UPGRADE_REPLY, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_CUP, 1, dissect_dvbci_payload_cup}, + {T_CAM_FIRMWARE_UPGRADE_PROGRESS, 0, 1, DATA_CAM_TO_HOST, RES_CLASS_CUP, 1, dissect_dvbci_payload_cup}, + {T_CAM_FIRMWARE_UPGRADE_COMPLETE, 0, 1, DATA_CAM_TO_HOST, RES_CLASS_CUP, 1, dissect_dvbci_payload_cup}, + + {T_CC_OPEN_REQ, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_CC, 1, NULL}, + {T_CC_OPEN_CNF, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_DATA_REQ, 3, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_DATA_CNF, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_SYNC_REQ, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_CC, 1, NULL}, + {T_CC_SYNC_CNF, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_SAC_DATA_REQ, 8, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_SAC_DATA_CNF, 8, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_SAC_SYNC_REQ, 8, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_SAC_SYNC_CNF, 8, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_CC, 1, dissect_dvbci_payload_cc}, + {T_CC_PIN_CAPABILITIES_REQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_CC, 2, NULL}, + {T_CC_PIN_CAPABILITIES_REPLY, 7, 7, DATA_CAM_TO_HOST, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + {T_CC_PIN_CMD, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + {T_CC_PIN_REPLY, 1, 1, DATA_CAM_TO_HOST, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + {T_CC_PIN_EVENT, 25, 25, DATA_CAM_TO_HOST, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + {T_CC_PIN_PLAYBACK, 16, 16, DATA_HOST_TO_CAM, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + {T_CC_PIN_MMI_REQ, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_CC, 2, dissect_dvbci_payload_cc}, + + {T_REQUEST_START, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + {T_REQUEST_START_ACK, 0, 1, DATA_HOST_TO_CAM, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + {T_FILE_REQUEST, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + {T_FILE_ACKNOWLEDGE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + {T_APP_ABORT_REQUEST, 0, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + {T_APP_ABORT_ACK, 0, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_AMI, 1, dissect_dvbci_payload_ami}, + + {T_COMMS_CMD, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_REPLY, 0, 2, DATA_HOST_TO_CAM, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_SEND_LAST, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_SEND_MORE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_RCV_LAST, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_RCV_MORE, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_LSC, 1, dissect_dvbci_payload_lsc}, + {T_COMMS_IP_CONFIG_REQ, 0, 0, DATA_CAM_TO_HOST, RES_CLASS_LSC, 4, NULL}, + {T_COMMS_IP_CONFIG_REPLY, 2, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_LSC, 4, dissect_dvbci_payload_lsc}, + + {T_AFS_FILE_SYSTEM_OFFER, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AFS, 1, dissect_dvbci_payload_afs}, + {T_AFS_FILE_SYSTEM_ACK, 1, 1, DATA_HOST_TO_CAM, RES_CLASS_AFS, 1, dissect_dvbci_payload_afs}, + {T_AFS_FILE_REQUEST, 1, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_AFS, 1, dissect_dvbci_payload_afs}, + {T_AFS_FILE_ACKNOWLEDGE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_AFS, 1, dissect_dvbci_payload_afs}, + + {T_OPERATOR_STATUS_REQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + {T_OPERATOR_STATUS, 0, 6, DATA_CAM_TO_HOST, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_NIT_REQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + {T_OPERATOR_NIT, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_INFO_REQ, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + {T_OPERATOR_INFO, 1, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_SEARCH_START, 3, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_SEARCH_STATUS, 0, 6, DATA_CAM_TO_HOST, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_EXIT, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + {T_OPERATOR_TUNE, 2, LEN_FIELD_ANY, DATA_CAM_TO_HOST, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_TUNE_STATUS, 5, LEN_FIELD_ANY, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, dissect_dvbci_payload_opp}, + {T_OPERATOR_ENTITLEMENT_ACK, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + {T_OPERATOR_SEARCH_CANCEL, 0, 0, DATA_HOST_TO_CAM, RES_CLASS_OPP, 1, NULL}, + + {T_SAS_CONNECT_RQST, 0, 8, DATA_HOST_TO_CAM, RES_CLASS_SAS, 1, dissect_dvbci_payload_sas}, + {T_SAS_CONNECT_CNF, 0, 9, DATA_CAM_TO_HOST, RES_CLASS_SAS, 1, dissect_dvbci_payload_sas}, + {T_SAS_ASYNC_MSG, 3, LEN_FIELD_ANY, DIRECTION_ANY, RES_CLASS_SAS, 1, dissect_dvbci_payload_sas} +}; + +static const value_string dvbci_apdu_tag[] = { + { T_PROFILE_ENQ, "Profile enquiry" }, + { T_PROFILE, "Profile information" }, + { T_PROFILE_CHANGE, "Profile change notification" }, + { T_APP_INFO_ENQ, "Application info enquiry" }, + { T_APP_INFO, "Application info" }, + { T_ENTER_MENU, "Enter menu" }, + { T_REQUEST_CICAM_RESET, "Request CICAM reset" }, + { T_DATARATE_INFO, "Datarate info" }, + { T_CA_INFO_ENQ, "CA info enquiry" }, + { T_CA_INFO, "CA info" }, + { T_CA_PMT, "CA PMT" }, + { T_CA_PMT_REPLY, "CA PMT reply" }, + { T_AUTH_REQ, "Authentication request" }, + { T_AUTH_RESP, "Authentication response" }, + { T_TUNE, "Tune" }, + { T_REPLACE, "Replace" }, + { T_CLEAR_REPLACE, "Clear replace" }, + { T_ASK_RELEASE, "Ask release" }, + { T_TUNE_BROADCAST_REQ, "Tune broadcast request" }, + { T_TUNE_REPLY, "Tune reply" }, + { T_ASK_RELEASE_REPLY, "Ask release reply" }, + { T_TUNE_LCN_REQ, "Tune LCN request" }, + { T_TUNE_IP_REQ, "Tune IP request" }, + { T_TUNE_TRIPLET_REQ, "Tune triplet request" }, + { T_TUNE_STATUS_REQ, "Tune status request" }, + { T_TUNE_STATUS_REPLY, "Tune status reply" }, + { T_DATE_TIME_ENQ, "Date-Time enquiry" }, + { T_DATE_TIME, "Date-Time" }, + { T_CLOSE_MMI, "Close MMI" }, + { T_DISPLAY_CONTROL, "Display control" }, + { T_DISPLAY_REPLY, "Display reply" }, + { T_TEXT_LAST, "Text last" }, + { T_TEXT_MORE, "Text more" }, + { T_ENQ, "Enquiry" }, + { T_ANSW, "Answer" }, + { T_MENU_LAST, "Menu last" }, + { T_MENU_MORE, "Menu more" }, + { T_MENU_ANSW, "Menu answer" }, + { T_LIST_LAST, "List last" }, + { T_LIST_MORE, "List more" }, + { T_HOST_COUNTRY_ENQ, "Host country enquiry" }, + { T_HOST_COUNTRY, "Host country" }, + { T_HOST_LANGUAGE_ENQ, "Host language enquiry" }, + { T_HOST_LANGUAGE, "Host language" }, + { 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" }, + { 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_COMMS_IP_CONFIG_REQ, "Comms IP config request" }, + { T_COMMS_IP_CONFIG_REPLY, "Comms IP config reply" }, + { T_AFS_FILE_SYSTEM_OFFER, "File system offer" }, + { T_AFS_FILE_SYSTEM_ACK, "File system ack" }, + { T_AFS_FILE_REQUEST, "File request" }, + { T_AFS_FILE_ACKNOWLEDGE, "File acknowledge" }, + { 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 } +}; + +WS_DLL_PUBLIC_DEF const value_string dvbci_event[] = { + { DVBCI_EVT_DATA_HOST_TO_CAM, "data transfer Host -> CAM" }, + { DVBCI_EVT_DATA_CAM_TO_HOST, "data transfer CAM -> Host" }, + { DVBCI_EVT_CIS_READ, "read the Card Information Structure (CIS)" }, + { DVBCI_EVT_COR_WRITE, "write into the Configuration Option Register (COR)" }, + { DVBCI_EVT_HW_EVT, "hardware event" }, + { 0, NULL } +}; + +static int proto_dvbci = -1; + +static dissector_handle_t dvbci_handle; + +static const gchar *dvbci_sek = NULL; +static const gchar *dvbci_siv = NULL; +static gboolean dvbci_dissect_lsc_msg = FALSE; + +/* the output of pref_key_string_to_bin() applied to dvbci_sek and _siv */ +static unsigned char *dvbci_sek_bin = NULL; +static unsigned char *dvbci_siv_bin = NULL; + +static dissector_handle_t data_handle; +static dissector_handle_t mpeg_pmt_handle; +static dissector_handle_t dvb_nit_handle; +static dissector_handle_t mime_handle; +static dissector_table_t tcp_dissector_table; +static dissector_table_t udp_dissector_table; + +static gint exported_pdu_tap = -1; + +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_cis_subtpl = -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 gint ett_dvbci_dlv_sys_hint = -1; + + +static int hf_dvbci_hdr_ver = -1; +static int hf_dvbci_event = -1; +static int hf_dvbci_len = -1; +static int hf_dvbci_hw_event = -1; +static int hf_dvbci_cor_addr = -1; +static int hf_dvbci_cor_val = -1; +static int hf_dvbci_cis_tpl_code = -1; +static int hf_dvbci_cis_tpl_len = -1; +static int hf_dvbci_cis_tpl_data = -1; +static int hf_dvbci_cis_tpll_v1_major = -1; +static int hf_dvbci_cis_tpll_v1_minor = -1; +static int hf_dvbci_cis_tpll_v1_info_manuf = -1; +static int hf_dvbci_cis_tpll_v1_info_name = -1; +static int hf_dvbci_cis_tpll_v1_info_additional = -1; +static int hf_dvbci_cis_tpll_v1_end = -1; +static int hf_dvbci_cis_tpcc_rfsz = -1; +static int hf_dvbci_cis_tpcc_rmsz = -1; +static int hf_dvbci_cis_tpcc_rasz = -1; +static int hf_dvbci_cis_tpcc_last = -1; +static int hf_dvbci_cis_tpcc_radr = -1; +static int hf_dvbci_cis_tpcc_rmsk = -1; +static int hf_dvbci_cis_st_code = -1; +static int hf_dvbci_cis_st_len = -1; +static int hf_dvbci_cis_stci_ifn_size = -1; +static int hf_dvbci_cis_stci_ifn = -1; +static int hf_dvbci_cis_stci_str = -1; +static int hf_dvbci_cis_tpce_indx_intface = -1; +static int hf_dvbci_cis_tpce_indx_default = -1; +static int hf_dvbci_cis_tpce_indx_cnf_entry = -1; +static int hf_dvbci_cis_tpce_if_type = -1; +static int hf_dvbci_cis_tpce_fs_mem_space = -1; +static int hf_dvbci_cis_tpce_fs_irq = -1; +static int hf_dvbci_cis_tpce_fs_io = -1; +static int hf_dvbci_cis_dev_vcc_used = -1; +static int hf_dvbci_cis_dev_mwait = -1; +static int hf_dvbci_cis_dev_oth_cond_info = -1; +static int hf_dvbci_cis_tplmid_manf = -1; +static int hf_dvbci_cis_tplmid_card = -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_tag = -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_res_id = -1; +static int hf_dvbci_res_id_type = -1; +static int hf_dvbci_res_class = -1; +static int hf_dvbci_res_type = -1; +static int hf_dvbci_res_ver = -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_ap_char_tbl = -1; +static int hf_dvbci_menu_str = -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_ca_ver = -1; +static int hf_dvbci_curr_next = -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_priv_data = -1; +static int hf_dvbci_ca_enable_flag = -1; +static int hf_dvbci_ca_enable = -1; +static int hf_dvbci_auth_proto_id = -1; +static int hf_dvbci_auth_req_bytes = -1; +static int hf_dvbci_auth_resp_bytes = -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_status = -1; +static int hf_dvbci_hc_release_reply = -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_mmi_char_tbl = -1; +static int hf_dvbci_blind_ans = -1; +static int hf_dvbci_ans_txt_len = -1; +static int hf_dvbci_enq = -1; +static int hf_dvbci_ans_id = -1; +static int hf_dvbci_ans = -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_title = -1; +static int hf_dvbci_subtitle = -1; +static int hf_dvbci_bottom = -1; +static int hf_dvbci_item = -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_snd_dat_nbr = -1; +static int hf_dvbci_cc_req_dat_nbr = -1; +static int hf_dvbci_cc_dat_id = -1; +static int hf_dvbci_cc_dat_len = -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_uri_dot = -1; +static int hf_dvbci_uri_rl = -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_padding = -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_len = -1; +static int hf_dvbci_init_obj_len = -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_len = -1; +static int hf_dvbci_file_name = -1; +static int hf_dvbci_file_data_len = -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_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_media_data = -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_conn_state = -1; +static int hf_dvbci_lsc_phys_addr = -1; +static int hf_dvbci_lsc_netmask = -1; +static int hf_dvbci_lsc_gateway = -1; +static int hf_dvbci_lsc_dhcp_srv = -1; +static int hf_dvbci_lsc_num_dns_srv = -1; +static int hf_dvbci_lsc_dns_srv = -1; +static int hf_dvbci_afs_dom_id = -1; +static int hf_dvbci_afs_ack_code = -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_dlv_sys_hint_t = -1; +static int hf_dvbci_dlv_sys_hint_s = -1; +static int hf_dvbci_dlv_sys_hint_c = -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_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 = -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_svc_type_loop_len = -1; +static int hf_dvbci_opp_svc_type = -1; +static int hf_dvbci_dlv_cap_loop_len = -1; +static int hf_dvbci_dlv_cap_byte = -1; +static int hf_dvbci_app_cap_loop_len = -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_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 * const dvb_ci_res_id_fields[] = { + &hf_dvbci_res_id_type, + &hf_dvbci_res_class, + &hf_dvbci_res_type, + &hf_dvbci_res_ver, + NULL +}; + +static int * const dvbci_opp_dlv_sys_hint_fields[] = { + &hf_dvbci_dlv_sys_hint_t, + &hf_dvbci_dlv_sys_hint_s, + &hf_dvbci_dlv_sys_hint_c, + NULL +}; + + +static expert_field ei_dvbci_cor_addr = EI_INIT; +static expert_field ei_dvbci_buf_size = EI_INIT; +static expert_field ei_dvbci_ml = EI_INIT; +static expert_field ei_dvbci_c_tpdu_tag = EI_INIT; +static expert_field ei_dvbci_r_tpdu_status_mandatory = EI_INIT; +static expert_field ei_dvbci_r_tpdu_tag = EI_INIT; +static expert_field ei_dvbci_sb_value = EI_INIT; +static expert_field ei_dvbci_t_c_id = EI_INIT; +static expert_field ei_dvbci_tpdu_status_tag = EI_INIT; +static expert_field ei_dvbci_spdu_tag = EI_INIT; +static expert_field ei_dvbci_spdu_cam_to_host = EI_INIT; +static expert_field ei_dvbci_spdu_host_to_cam = EI_INIT; +static expert_field ei_dvbci_apdu_tag = EI_INIT; +static expert_field ei_dvbci_apu_cam_to_host = EI_INIT; +static expert_field ei_dvbci_apu_host_to_cam = EI_INIT; +static expert_field ei_dvbci_apdu_not_supported = EI_INIT; +static expert_field ei_dvbci_res_ver = EI_INIT; +static expert_field ei_dvbci_res_class = EI_INIT; +static expert_field ei_dvbci_bad_length = EI_INIT; +static expert_field ei_dvbci_invalid_char_tbl = EI_INIT; +static expert_field ei_dvbci_no_ca_desc_es = EI_INIT; +static expert_field ei_dvbci_no_ca_desc_prog = EI_INIT; +static expert_field ei_dvbci_ca_pmt_cmd_id = EI_INIT; +static expert_field ei_dvbci_time_offs_unknown = EI_INIT; +static expert_field ei_dvbci_not_text_more_or_text_last = EI_INIT; +static expert_field ei_dvbci_network_id = EI_INIT; +static expert_field ei_dvbci_cc_pin_nvr_chg = EI_INIT; +static expert_field ei_dvbci_pin_evt_cent = EI_INIT; +static expert_field ei_dvbci_sac_payload_enc = EI_INIT; +static expert_field ei_dvbci_sig_qual = EI_INIT; +static expert_field ei_dvbci_cicam_nit_table_id = EI_INIT; +static expert_field ei_dvbci_cup_progress = EI_INIT; + +static dissector_table_t sas_msg_dissector_table; + +static reassembly_table tpdu_reassembly_table; +static reassembly_table spdu_reassembly_table; + +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, + /* Reassembled data field */ + NULL, + "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, + /* Reassembled data field */ + NULL, + "Spdu fragments" +}; + + + +typedef struct _spdu_info_t { + guint8 tag; + guint8 direction; + guint8 len_field; +} spdu_info_t; + +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_cis_tpl_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 identification string" }, + { CISTPL_END, "End of chain" }, + { 0, NULL } +}; +static const value_string dvbci_cis_subtpl_code[] = { + { CCSTPL_CIF, "Custom interface subtuple" }, + { 0, NULL } +}; +static const value_string dvbci_cis_tpce_if_type[] = { + { TPCE_IF_TYPE_MEM, "Memory" }, + { TPCE_IF_TYPE_IO_MEM, "I/O and Memory" }, + { TPCE_IF_TYPE_CUST0, "Custom Interface 0" }, + { TPCE_IF_TYPE_CUST1, "Custom Interface 1" }, + { TPCE_IF_TYPE_CUST2, "Custom Interface 2" }, + { TPCE_IF_TYPE_CUST3, "Custom Interface 3" }, + { 0, NULL } +}; +static const value_string dvbci_cis_dev_vcc_used[] = { + { CIS_DEV_VCC50, "5.0V" }, + { CIS_DEV_VCC33, "3.3V" }, + { 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_AUT, "Authentication" }, + { 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_AFS, "Auxiliary File System" }, + { RES_CLASS_SAS, "Specific Application Support" }, + { 0, NULL } +}; +static const value_string dvbci_app_type[] = { + { APP_TYPE_CA, "Conditional Access" }, + { APP_TYPE_EPG, "Electronic Program 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_hc_release_reply[] = { + { HC_RELEASE_OK, "Host regains control of the tuner" }, + { HC_RELEASE_REFUSED, "CICAM retains control of the tuner" }, + { 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_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_SRM_DATA, "SRM for HDCP" }, + { CC_ID_SRM_CONFIRM, "SRM confirmation hash" }, + { 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_HOST_LICENSE, + "License for which the host requests the current status" }, + { CC_ID_PLAY_COUNT, "Play count" }, + { 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_uri_emi[] = { + { CC_EMI_FREE, "Copy free" }, + { CC_EMI_NO_MORE, "Copy no more" }, + { CC_EMI_ONCE, "Copy once" }, + { CC_EMI_NEVER, "Copy never" }, + { 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_OR_NO_SRM, "Authentication failed / SRM not required" }, + { 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_connect[] = { + { LSC_DISCONNECTED, "disconnected" }, + { LSC_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_afs_ack_code[] = { + { AFS_ACK_RSV, "Reserved for future use" }, + { AFS_ACK_OK, "The application environment is supported by the Host" }, + { AFS_ACK_UNKNOWN, "The DomainIdentifier is not supported by the Host" }, + { 0, NULL } +}; +static const value_string dvbci_opp_ref_req_flag[] = { + { OPP_REF_REG_FLG_NONE, "none" }, + { OPP_REF_REG_FLG_ADV, "advance warning" }, + { OPP_REF_REG_FLG_URG, "urgent" }, + { OPP_REF_REG_FLG_SCHED, "scheduled" }, + { 0, NULL } +}; +static const value_string dvbci_opp_err_flag[] = { + { OPP_ERR_FLG_OK, "no error" }, + { OPP_ERR_FLG_PROF, "CICAM can't acquire the profile" }, + { OPP_ERR_FLG_UNSUPPORTED, "unsupported delivery system" }, + { OPP_ERR_FLG_CANCELLED, "operator search was cancelled" }, + { 0, NULL } +}; +static const value_string dvbci_opp_eit_pf_usage[] = { + { OPP_EIT_ABSENT, "no EIT present" }, + { OPP_EIT_NOT_X, "EIT is not fully ross-carried" }, + { OPP_EIT_FULL_X, "EIT is fully cross-carried" }, + { 0, NULL } +}; +static const value_string dvbci_opp_eit_sch_usage[] = { + { OPP_EIT_ABSENT, "no EIT present" }, + { OPP_EIT_NOT_X, "EIT is not fully ross-carried" }, + { OPP_EIT_FULL_X, "EIT is fully cross-carried" }, + { OPP_EIT_BARKER, "EIT is available from a barker channel" }, + { OPP_EPG_APP, "EPG is delivered using an application" }, + { 0, NULL } +}; +static const value_string dvbci_opp_ext_evt[] = { + { OPP_EXT_EVT_DIFF, "extended event info is different from short event" }, + { OPP_EXT_EVT_ADD, "extended event info includes short event" }, + { 0, NULL } +}; +static const value_string dvbci_opp_dlv_cap[] = { + { OPP_DLV_CAP_S, "DVB-S" }, + { OPP_DLV_CAP_C, "DVB-C" }, + { OPP_DLV_CAP_T, "DVB-T" }, + { OPP_DLV_CAP_S2, "DVB-S2" }, + { 0, NULL } +}; +static const value_string dvbci_opp_tune_stat[] = { + { OPP_TUNE_OK, "success" }, + { OPP_TUNE_UNSUPPORTED, "unsupported delivery system descriptor" }, + { OPP_TUNE_INVALID, "invalid delivery system descriptor" }, + { OPP_TUNE_ERR, "failed" }, + { 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 } +}; + +extern value_string_ext mpeg_pmt_stream_type_vals_ext; + +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; + + +gint +dvbci_set_addrs(guint8 event, packet_info *pinfo) +{ + if (!IS_DATA_TRANSFER(event)) + return -1; + + if (event == DVBCI_EVT_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); + } + + return 1; +} + +static guint8 +dvbci_get_evt_from_addrs(packet_info *pinfo) +{ + /* this should be working from C89 on */ + static const address a_cam = ADDRESS_INIT(AT_STRINGZ, sizeof(ADDR_CAM), ADDR_CAM); + static const address a_host = ADDRESS_INIT(AT_STRINGZ, sizeof(ADDR_HOST), ADDR_HOST); + + if ( addresses_equal(&(pinfo->src), &a_cam) && + addresses_equal(&(pinfo->dst), &a_host) ) { + return DVBCI_EVT_DATA_CAM_TO_HOST; + } + else if ( addresses_equal(&(pinfo->src), &a_host) && + addresses_equal(&(pinfo->dst), &a_cam) ) { + return DVBCI_EVT_DATA_HOST_TO_CAM; + } + else + return DVBCI_EVT_INVALID_EVT; +} + + +/* 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; +} + + +/* dissect a delivery system descriptor loop + and the preceding length field + (used for host control and operator profile) + return the number of bytes dissected */ +static gint +dissect_desc_loop(int len_hf, + tvbuff_t *tvb, gint offset, packet_info *pinfo _U_, proto_tree *tree) +{ + gint offset_start; + guint16 desc_loop_len; + guint desc_len; + + offset_start = offset; + + desc_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF; + proto_tree_add_item(tree, len_hf, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + while (offset-offset_start < 2+desc_loop_len) { + desc_len = proto_mpeg_descriptor_dissect(tvb, offset, tree); + if (desc_len==0) + break; + offset += desc_len; + } + + return offset-offset_start; +} + + +/* 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_bitmask(tree, tvb, offset, + hf_dvbci_dlv_sys_hint, ett_dvbci_dlv_sys_hint, + dvbci_opp_dlv_sys_hint_fields, 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_tree *loop_tree = NULL; + guint i; + + if (!title) + return -1; + if (item_len==0) + return -1; + + if (tree && cap_loop_len>0) { + loop_tree = proto_tree_add_subtree(tree, tvb, offset, cap_loop_len, ett_dvbci_opp_cap_loop, NULL, title); + } + for (i=0; i<item_len*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; +} + + +/* 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; +} + + +/* if there's a dissector for the protocol and target port of our + lsc connection, store it in the lsc session's circuit */ +static void +store_lsc_msg_dissector(conversation_t *conv, guint8 ip_proto, guint16 port) +{ + dissector_handle_t msg_handle = NULL; + + if (!conv) + return; + + if (ip_proto==LSC_TCP) + msg_handle = dissector_get_uint_handle(tcp_dissector_table, port); + else if (ip_proto==LSC_UDP) + msg_handle = dissector_get_uint_handle(udp_dissector_table, port); + + conversation_set_dissector(conv, msg_handle); +} + + +/* 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, conversation_t *conv, + packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti; + 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; + + conn_desc_tree = proto_tree_add_subtree(tree, tvb, + offset_start, -1, ett_dvbci_lsc_conn_desc, &ti, "Connection descriptor"); + + 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 && tcp_port_to_display(pinfo->pool, port)) { + proto_item_append_text(port_item, " (%s)", + tcp_port_to_display(pinfo->pool, port)); + } + else if (ip_proto==LSC_UDP && udp_port_to_display(pinfo->pool, port)) { + proto_item_append_text(port_item, " (%s)", + udp_port_to_display(pinfo->pool, port)); + } + } + store_lsc_msg_dissector(conv, ip_proto, 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 && tcp_port_to_display(pinfo->pool, port)) { + proto_item_append_text(port_item, " (%s)", + tcp_port_to_display(pinfo->pool, port)); + } + else if (ip_proto==LSC_UDP && udp_port_to_display(pinfo->pool, port)) { + proto_item_append_text(port_item, " (%s)", + udp_port_to_display(pinfo->pool, port)); + } + } + store_lsc_msg_dissector(conv, ip_proto, 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); + offset += hostname_len; + } else { + proto_tree_add_item(conn_desc_tree, hf_dvbci_lsc_media_data, + tvb, offset, len_field-1, ENC_NA); + offset += len_field-1; + } + + proto_item_set_len(ti, offset-offset_start); + return offset-offset_start; +} + + +/* check if the given CC resource item may appear in the clear + as part of an exported PDU */ +static inline gboolean +is_cc_item_exportable(guint8 dat_id) +{ + /* the CCK precursor value does not contain sensitive information as such + nevertheless, it is safer to prevent people from exporting this value + accidentially */ + if (dat_id == CC_ID_KP) + return FALSE; + /* we could add some more items here which do not appear in SAC messages + normally: CC_ID_DHPH, CC_ID_DHPM */ + + return TRUE; +} + + +/* dissect the URI, return the number of bytes processed or -1 for error */ +static gint +dissect_uri(tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tree) +{ + gint offset_start; + guint8 uri_ver, emi, rl; + proto_item *rl_item; + + offset_start = offset; + + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "URI"); + + uri_ver = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvbci_uri_ver, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + proto_tree_add_item(tree, hf_dvbci_uri_aps, + tvb, offset, 1, ENC_BIG_ENDIAN); + emi = (tvb_get_guint8(tvb, offset) & 0x30) >> 4; + proto_tree_add_item(tree, hf_dvbci_uri_emi, + tvb, offset, 1, ENC_BIG_ENDIAN); + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + val_to_str_const(emi, dvbci_cc_uri_emi, "unknown")); + proto_tree_add_item(tree, hf_dvbci_uri_ict, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (emi==CC_EMI_FREE) { + proto_tree_add_item(tree, hf_dvbci_uri_rct, + tvb, offset, 1, ENC_BIG_ENDIAN); + } + if (uri_ver>=2 && emi==CC_EMI_NEVER) { + proto_tree_add_item(tree, hf_dvbci_uri_dot, + tvb, offset, 1, ENC_BIG_ENDIAN); + } + offset++; + + if (emi==CC_EMI_NEVER) { + if (uri_ver==1) + rl = tvb_get_guint8(tvb, offset) & 0x3F; + else + rl = tvb_get_guint8(tvb, offset); + + rl_item = proto_tree_add_uint(tree, hf_dvbci_uri_rl, + tvb, offset, 1, rl); + + if (rl==0x00) + proto_item_append_text(rl_item, " (90 minutes)"); + else if (rl==0x01) + proto_item_append_text(rl_item, " (6 hours)"); + else if (rl==0x02) + proto_item_append_text(rl_item, " (12 hours)"); + else if (uri_ver>=2 && rl==0xFF) + proto_item_append_text(rl_item, " (unlimited)"); + else { + /* no need for a range check, rl 0x3F mask was applied above */ + proto_item_append_text(rl_item, " (%d days)", rl-2); + } + } + + return offset-offset_start; +} + + +/* dissect an item from cc_(sac_)data_req/cc_(sac_)data_cnf, + returns its length or -1 for error + if dat_id_ptr is not NULL, fill in the datatype id */ +static gint +dissect_cc_item(tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree, guint8 *dat_id_ptr) +{ + proto_item *ti; + proto_tree *cc_item_tree = NULL; + gint offset_start; + guint16 dat_len; + guint8 dat_id; + asn1_ctx_t asn1_ctx; + int hf_cert_index; + guint16 prog_num; + guint8 status; + + + offset_start = offset; + dat_id = tvb_get_guint8(tvb, offset); + if (dat_id_ptr) + *dat_id_ptr = dat_id; + + cc_item_tree = proto_tree_add_subtree_format(tree, tvb, offset_start, -1, ett_dvbci_cc_item, &ti, + "CC data item: %s", val_to_str_const(dat_id, dvbci_cc_dat_id, "unknown")); + + 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_item(cc_item_tree, hf_dvbci_cc_dat_len, + tvb, offset, 2, ENC_BIG_ENDIAN); + 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; + + /* enable dissection of CI+ specific X.509 extensions + only for our certificates */ + x509ce_enable_ciplus(); + dissect_x509af_Certificate(FALSE, tvb, offset, + &asn1_ctx, cc_item_tree, hf_cert_index); + x509ce_disable_ciplus(); + break; + case CC_ID_URI: + dissect_uri(tvb, offset, pinfo, cc_item_tree); + 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); + proto_tree_add_item(cc_item_tree, hf_dvbci_cc_prog_num, + tvb, offset, 2, ENC_BIG_ENDIAN); + 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: + status = tvb_get_guint8(tvb, offset); + col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Status: %s", + val_to_str_const(status, dvbci_cc_status, "unknown")); + 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; + + proto_item_set_len(ti, offset-offset_start); + return offset-offset_start; +} + + +/* add the CC protocol name and step to the info column */ +static void +add_cc_protocol_name_step(packet_info *pinfo, + guint64 snd_dat_ids, guint64 req_dat_ids) +{ + gboolean chk_snd_ids = FALSE; + + switch (req_dat_ids) { + case CC_ID_DHPH<<24|CC_ID_SIG_A<<16|CC_ID_HOST_DEV_CERT<<8|CC_ID_HOST_BRAND_CERT: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Authentication Step 1)"); + break; + case CC_ID_STATUS_FIELD: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Authentication Step 3)"); + break; + case CC_ID_AKH: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(AuthKey Step 1)"); + break; + case CC_ID_HOST_ID<<8|CC_ID_STATUS_FIELD: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(CC key calculation Step 1)"); + break; + case CC_ID_HOST_ID<<8|CC_ID_NS_HOST: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(SAC key calculation Step 1)"); + break; + case CC_ID_URI_CNF: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(URI transmission Step 1)"); + break; + case CC_ID_URI_VERSIONS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(URI version negotiation Step 1)"); + break; + case CC_ID_LICENSE_RCV_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(CICAM to Host License Exchange Step 1)"); + break; + case CC_ID_PROG_NUM<<24|CC_ID_LICENSE_STATUS<<16|CC_ID_URI<<8|CC_ID_CICAM_LICENSE: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Playback License Exchange Step 1)"); + break; + case CC_ID_LICENSE_STATUS<<8|CC_ID_PLAY_COUNT: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(License Check Exchange Step 1)"); + break; + case CC_ID_REC_START_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Record Start Step 1)"); + break; + case CC_ID_MODE_CHG_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Change Operating Mode Step 1)"); + break; + case CC_ID_REC_STOP_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Record Stop Step 1)"); + break; + case CC_ID_STATUS_FIELD<<8|CC_ID_SRM_CONFIRM: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(SRM Transmission Step 1)"); + break; + default: + /* unable to determine the protocol from the requested ids + check the sent ids as well */ + chk_snd_ids = TRUE; + break; + } + if (!chk_snd_ids) + return; + + switch (snd_dat_ids) { + case CC_ID_DHPH<<24|CC_ID_SIG_A<<16|CC_ID_HOST_DEV_CERT<<8|CC_ID_HOST_BRAND_CERT: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Authentication Step 2)"); + break; + case CC_ID_STATUS_FIELD: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Authentication Step 4)"); + break; + case CC_ID_AKH: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(AuthKey Step 2)"); + break; + case CC_ID_HOST_ID<<8|CC_ID_STATUS_FIELD: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(CC key calculation Step 2)"); + break; + case CC_ID_HOST_ID<<8|CC_ID_NS_HOST: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(SAC key calculation Step 2)"); + break; + case CC_ID_URI_CNF: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(URI transmission Step 2)"); + break; + case CC_ID_URI_VERSIONS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(URI version negotiation Step 2)"); + break; + case CC_ID_LICENSE_RCV_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(CICAM to Host License Exchange Step 2)"); + break; + case CC_ID_PROG_NUM<<24|CC_ID_LICENSE_STATUS<<16|CC_ID_URI<<8|CC_ID_CICAM_LICENSE: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Playback License Exchange Step 2)"); + break; + case CC_ID_LICENSE_STATUS<<8|CC_ID_PLAY_COUNT: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(License Check Exchange Step 2)"); + break; + case CC_ID_REC_START_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Record Start Step 2)"); + break; + case CC_ID_MODE_CHG_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Change Operating Mode Step 2)"); + break; + case CC_ID_REC_STOP_STATUS: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(Record Stop Step 2)"); + break; + case CC_ID_STATUS_FIELD<<8|CC_ID_SRM_CONFIRM: + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + "(SRM Transmission Step 2)"); + break; + } +} + + +/* dissect the payload of a cc message that contains data items + if not NULL, set exportable_flag to TRUE if the message contains no + sensitive data and can be passed to the export PDU mechanism */ +static gint +dissect_cc_data_payload(guint32 tag, tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree, gboolean *exportable_flag) +{ + gint offset_start; + guint8 i, snd_dat_nbr, req_dat_nbr; + guint8 dat_id; + gint item_len; + /* the last 8 sent/requested datatype ids */ + guint64 snd_dat_ids=0, req_dat_ids=0; + + /* we only export cc_sac_data_req and cc_sac_data_cnf + the only meta info in the exported PDU is the data transfer + direction, if we only ever export cc_sac_data_req and + cc_sac_data_cnf, this info is enough to recover the apdu tag from the + direction + cc_sac_sync req and cc_sac_sync_cnf contain no interesting data */ + if (exportable_flag) + *exportable_flag = (tag==T_CC_SAC_DATA_REQ || tag==T_CC_SAC_DATA_CNF); + + 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_item( + tree, hf_dvbci_cc_snd_dat_nbr, tvb, offset, 1, ENC_BIG_ENDIAN); + 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, &dat_id); + if (item_len < 0) + return -1; + offset += item_len; + /* for more than 8 sent datatype ids, some ids might get lost by + * the shift, that's ok, we're only using the last 8 ids for + * protocol detection */ + snd_dat_ids = snd_dat_ids<<8|dat_id; + if (!exportable_flag || *exportable_flag==FALSE) + continue; + if (!is_cc_item_exportable(dat_id)) + *exportable_flag = FALSE; + } + + if (tag==T_CC_DATA_REQ || tag==T_CC_SAC_DATA_REQ) { + req_dat_nbr = tvb_get_guint8(tvb, offset); + proto_tree_add_item( + tree, hf_dvbci_cc_req_dat_nbr, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + for(i=0; i<req_dat_nbr && + tvb_reported_length_remaining(tvb, offset)>0; i++) { + dat_id = tvb_get_guint8(tvb, offset); + req_dat_ids = req_dat_ids<<8|dat_id; + proto_tree_add_item( + tree, hf_dvbci_cc_dat_id, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + } + } + + add_cc_protocol_name_step(pinfo, snd_dat_ids, req_dat_ids); + + return offset-offset_start; +} + + +/* 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[3]; + + 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); + input[2] = '\0'; + + 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(packet_info *pinfo, + guint8 enc_cip, tvbuff_t *encrypted_tvb, gint offset, gint len) +{ + 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; + + if (enc_cip != CC_SAC_ENC_AES128_CBC) + goto end; + if (len%AES_BLOCK_LEN != 0) + goto end; + + if (!dvbci_sek_bin || !dvbci_siv_bin) + 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, dvbci_sek_bin, AES_KEY_LEN); + if (gcry_err_code (err)) + goto end; + err = gcry_cipher_setiv (cipher, dvbci_siv_bin, AES_BLOCK_LEN); + if (gcry_err_code (err)) + goto end; + + clear_len = len; + clear_data = (unsigned char *)wmem_alloc(pinfo->pool, clear_len); + + err = gcry_cipher_decrypt (cipher, clear_data, clear_len, + tvb_memdup(pinfo->pool, 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); + +end: + if (opened) + gcry_cipher_close (cipher); + return clear_tvb; +} + + +/* 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, int hf, const gchar *title, + gboolean show_col_info) +{ + guint enc_len; + dvb_encoding_e encoding; + guint8 *si_str = NULL; + + if (!title) /* we always have a title for our strings */ + return; + /* str_len==-1 is not supported, we need an actual length */ + if (str_len<=0) + return; + + enc_len = dvb_analyze_string_charset(tvb, offset, str_len, &encoding); + dvb_add_chartbl(tree, hf_dvbci_mmi_char_tbl, tvb, offset, enc_len, encoding); + + offset += enc_len; + str_len -= enc_len; + + si_str = tvb_get_string_enc(pinfo->pool, + tvb, offset, str_len, dvb_enc_to_item_enc(encoding)); + if (!si_str) + return; + + proto_tree_add_string_format(tree, hf, + tvb, offset, str_len, si_str, "%s: %s", title, si_str); + + if (show_col_info) + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", 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; + guint8 tag, len_byte; + proto_item *ti; + 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 */ + proto_tree_add_expert(tree, pinfo, &ei_dvbci_ca_pmt_cmd_id, tvb, offset, 1); + return 0; + } + + ca_desc_tree = proto_tree_add_subtree( + tree, tvb, offset_start, -1, ett_dvbci_ca_desc, &ti, "Conditional Access descriptor"); + 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_item(ca_desc_tree, hf_dvbci_ca_priv_data, + tvb, offset, len_byte-4, ENC_NA); + offset += (len_byte-4); + } + + 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, gboolean *scrambled) +{ + proto_item *ti; + proto_tree *es_tree = NULL; + gint offset_start, ca_desc_len; + gint es_info_len, all_len; + + offset_start = offset; + + if (scrambled) { + /* default to free service until we found a ca descriptor + (we could have es info len > 0 and no ca descriptors) */ + *scrambled = FALSE; + } + + es_tree = proto_tree_add_subtree(tree, tvb, offset_start, -1, ett_dvbci_application, &ti, "Elementary Stream"); + + 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; + if (scrambled) + *scrambled = TRUE; + } + } + else { + proto_tree_add_expert( + es_tree, pinfo, &ei_dvbci_no_ca_desc_es, tvb, 0, 0); + } + + 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, int hf) +{ + proto_item *ti; + 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; + + text_tree = proto_tree_add_subtree(tree, tvb, offset_start, -1, ett_dvbci_text, &ti, title); + + 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, + hf, "Text", FALSE); + offset += len_field; + + proto_item_set_len(ti, offset-offset_start); + return (offset-offset_start); +} + + +static proto_item * +dissect_res_id(tvbuff_t *tvb, gint offset, packet_info *pinfo, + proto_tree *tree, guint32 res_id, gboolean show_col_info) +{ + /* there's two possible inputs for this function + the resource id is either in a tvbuff_t (tvb!=NULL, res_id==0) + or in a guint32 (tvb==NULL, res_id!=0) */ + + if (tvb) { + /* resource id comes in via tvbuff */ + if (res_id!=0) + return NULL; + res_id = tvb_get_ntohl(tvb, offset); + } + else { + /* resource id comes in via guint32 */ + if (res_id==0) + return NULL; + /* we'll call proto_tree_add_...( tvb==NULL, offset==0, length==0 ) + this creates a filterable item without any reference to a tvb */ + offset = 0; + } + + 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)); + } + + return proto_tree_add_bitmask_value_with_flags(tree, tvb, offset, + hf_dvbci_res_id, ett_dvbci_res, dvb_ci_res_id_fields, res_id, + BMT_NO_APPEND); +} + +/* dissect the body of a resource manager apdu */ +static void +dissect_dvbci_payload_rm(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + const gchar *tag_str; + + if (tag==T_PROFILE) { + if (len_field % RES_ID_LEN) { + tag_str = val_to_str(tag, dvbci_apdu_tag, "Unknown: %d"); + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, 0, APDU_TAG_SIZE, + "Invalid APDU length field, %s must be a multiple of 4 bytes", + tag_str); + return; + } + + while (tvb_reported_length_remaining(tvb, offset) > 0) { + dissect_res_id(tvb, offset, pinfo, tree, 0, FALSE); + offset += RES_ID_LEN; + } + } +} + +static void +dissect_dvbci_payload_ap(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + guint8 menu_str_len; + guint enc_len; + dvb_encoding_e encoding; + const 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++; + if (menu_str_len > 0) { + enc_len = dvb_analyze_string_charset( + tvb, offset, menu_str_len, &encoding); + dvb_add_chartbl( + tree, hf_dvbci_ap_char_tbl, tvb, offset, enc_len, encoding); + offset += enc_len; + menu_str_len -= enc_len; + proto_tree_add_item_ret_string(tree, hf_dvbci_menu_str, + tvb, offset, menu_str_len, dvb_enc_to_item_enc(encoding), + pinfo->pool, &menu_string); + col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, + "Module name %s", menu_string); + } + } + else if (tag== T_DATARATE_INFO) { + data_rate = tvb_get_guint8(tvb, offset); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", + 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, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + const gchar *tag_str; + guint16 prog_num; + guint prog_info_len; + gint es_info_len, all_len; + gint ca_desc_len; + gboolean scrambled = FALSE; + gboolean es_scrambled = FALSE; + 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"); + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, 0, APDU_TAG_SIZE, + "Invalid APDU length field, %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; + proto_tree_add_item( + tree, hf_dvbci_ca_ver, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item( + tree, hf_dvbci_curr_next, tvb, offset, 1, ENC_BIG_ENDIAN); + 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; + /* set this only if we've seen at least one valid ca descriptor */ + scrambled = TRUE; + } + } + else { + proto_tree_add_expert( + tree, pinfo, &ei_dvbci_no_ca_desc_prog, tvb, 0, 0); + } + + while (tvb_reported_length_remaining(tvb, offset) > 0) { + es_info_len = dissect_es(tvb, offset, pinfo, tree, &es_scrambled); + if (es_info_len <= 0) + return; + offset += es_info_len; + if (es_scrambled) + scrambled = TRUE; + } + + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + scrambled ? "scrambled service" : "free service"); + } + 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; + proto_tree_add_item( + tree, hf_dvbci_ca_ver, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item( + tree, hf_dvbci_curr_next, tvb, offset, 1, ENC_BIG_ENDIAN); + 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 */ + es_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_dvbci_application, NULL, "Elementary Stream"); + + 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_str( + pinfo->cinfo, COL_INFO, NULL, "descrambling possible"); + } + } +} + + +static void +dissect_dvbci_payload_aut(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo _U_, proto_tree *tree) +{ + gint bytes_len; + + proto_tree_add_item(tree, hf_dvbci_auth_proto_id, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + bytes_len = tvb_reported_length_remaining(tvb, offset); + if (bytes_len <= 0) + return; + + if (tag==T_AUTH_REQ) { + proto_tree_add_item(tree, hf_dvbci_auth_req_bytes, + tvb, offset, bytes_len, ENC_NA); + } + else if (tag==T_AUTH_RESP) { + proto_tree_add_item(tree, hf_dvbci_auth_resp_bytes, + tvb, offset, bytes_len, ENC_NA); + } +} + + +static void +dissect_dvbci_payload_hc(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + 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; + tvbuff_t *pmt_tvb = NULL; + 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(pinfo, pi, &ei_dvbci_network_id); + } + 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, + tvb, offset, pinfo, tree); + if (desc_loop_len<0) + break; + offset += desc_loop_len; + if (pmt_flag) { + pmt_tvb = tvb_new_subset_remaining(tvb, offset); + if (mpeg_pmt_handle) { + col_append_str(pinfo->cinfo, COL_INFO, ", "); + /* prevent mpeg_pmt dissector from clearing col_info */ + col_set_fence(pinfo->cinfo, COL_INFO); + call_dissector(mpeg_pmt_handle, pmt_tvb, pinfo, tree); + } + else + call_dissector(data_handle, pmt_tvb, pinfo, tree); + } + 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_str(pinfo->cinfo, COL_INFO, ": ", + (status == HC_STAT_OK ? "ok" : "error")); + break; + case T_ASK_RELEASE_REPLY: + proto_tree_add_item(tree, hf_dvbci_hc_release_reply, + tvb, offset, 1, ENC_BIG_ENDIAN); + break; + default: + break; + } +} + + +static void +dissect_dvbci_payload_dt(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + 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(tree, hf_dvbci_resp_intv, + tvb, offset, 1, &resp_intv); + if (resp_intv.secs==0) { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "individual query"); + proto_item_append_text(pi, " (individual query)"); + } + else { + col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, + "update every %s", rel_time_to_str(pinfo->pool, &resp_intv)); + } + } + else if (tag==T_DATE_TIME) { + if (len_field!=5 && len_field!=7) { + tag_str = val_to_str_const(tag, dvbci_apdu_tag, "unknown"); + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, APDU_TAG_SIZE, offset-APDU_TAG_SIZE, + "Invalid APDU length field, %s must be 5 or 7 bytes", tag_str); + return; + } + + time_field_len = packet_mpeg_sect_mjd_to_utc_time(tvb, offset, &utc_time); + if (time_field_len<0) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, offset, 5, + "Invalid UTC time field, 2 bytes MJD, 3 bytes BCD time hhmmss"); + return; + } + proto_tree_add_time(tree, hf_dvbci_utc_time, + tvb, offset, time_field_len, &utc_time); + col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", "%s UTC", + abs_time_to_str(pinfo->pool, &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_expert(tree, pinfo, &ei_dvbci_time_offs_unknown, + tvb, 0, 0); + } + } +} + + +static void +dissect_dvbci_payload_mmi(guint32 tag, gint len_field, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + 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; + gint msg_len; + guint enc_len; + dvb_encoding_e encoding; + 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) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, + APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE, + "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_const(disp_ctl_cmd, + dvbci_disp_ctl_cmd, "unknown command"); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", + 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) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, + APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE, + "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_const(disp_rep_id, + dvbci_disp_rep_id, "unknown command"); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", + 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 ((msg_len=tvb_reported_length_remaining(tvb, offset)) > 0) { + enc_len = dvb_analyze_string_charset( + tvb, offset, msg_len, &encoding); + if (enc_len==0) { + proto_tree_add_expert(tree, pinfo, + &ei_dvbci_invalid_char_tbl, tvb, offset, msg_len); + break; + } + dvb_add_chartbl(tree, hf_dvbci_mmi_char_tbl, + tvb, offset, enc_len, encoding); + offset += enc_len; + } + } + 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); + pi = proto_tree_add_item(tree, hf_dvbci_ans_txt_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (ans_txt_len == NB_UNKNOWN) { + proto_item_append_text(pi, + " (Length of expected answer is unknown)"); + } + offset++; + dissect_si_string(tvb, offset, + tvb_reported_length_remaining(tvb, offset), + pinfo, tree, hf_dvbci_enq, "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, hf_dvbci_ans, "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 (IS_MENU_APDU(tag)) { + pi = proto_tree_add_item( + tree, hf_dvbci_choice_nb, tvb, offset, 1, ENC_BIG_ENDIAN); + if (choice_or_item_nb == NB_UNKNOWN) { + proto_item_append_text(pi, + " (Number of choices is unknown)"); + } + } + else { + pi = proto_tree_add_item( + tree, hf_dvbci_item_nb, tvb, offset, 1, ENC_BIG_ENDIAN); + if (choice_or_item_nb == NB_UNKNOWN) { + proto_item_append_text(pi, + "(Number of items is unknown)"); + } + } + offset++; + text_len = dissect_dvbci_text("Title", tvb, offset, + pinfo, tree, hf_dvbci_title); + offset += text_len; + text_len = dissect_dvbci_text("Sub-title", tvb, offset, + pinfo, tree, hf_dvbci_subtitle); + offset += text_len; + text_len = dissect_dvbci_text("Bottom line", tvb, offset, + pinfo, tree, hf_dvbci_bottom); + offset += text_len; + while (tvb_reported_length_remaining(tvb, offset) > 0) { + text_len = dissect_dvbci_text("Item", tvb, offset, pinfo, tree, hf_dvbci_item); + /* minimum is apdu tag + 1 byte len field */ + if (text_len<APDU_TAG_SIZE+1) { + proto_tree_add_expert(tree, pinfo, &ei_dvbci_not_text_more_or_text_last, tvb, offset, -1); + return; + } + offset += text_len; + } + break; + case T_MENU_ANSW: + choice_ref = tvb_get_guint8(tvb,offset); + pi = proto_tree_add_item( + tree, hf_dvbci_choice_ref, tvb, offset, 1, ENC_BIG_ENDIAN); + if (choice_ref == 0x0) { + proto_item_append_text(pi, " (Selection was cancelled)"); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", + "cancelled"); + } + else { + 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, conversation_t *conv _U_, + 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_ISO_8859_1|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_ISO_8859_1|ENC_NA); + } + + /* both apdus' body is only a country code, this can be shared */ + str = tvb_get_string_enc(pinfo->pool, tvb, offset, + tvb_reported_length_remaining(tvb, offset), + ENC_ISO_8859_1|ENC_NA); + if (str) + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", str); +} + + +static void +dissect_dvbci_payload_cup(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + guint8 upgrade_type; + guint16 download_time; + guint8 answer, progress; + + 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_const(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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(answer, dvbci_cup_answer, "unknown")); + break; + case T_CAM_FIRMWARE_UPGRADE_PROGRESS: + progress = tvb_get_guint8(tvb, offset); + if (progress > 100) { + proto_tree_add_expert(tree, pinfo, &ei_dvbci_cup_progress, tvb, offset, 1); + } + 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 int exp_pdu_data_dvbci_size(packet_info *pinfo _U_, void* data _U_) +{ + return EXP_PDU_TAG_DVBCI_EVT_LEN + 4; +} + +static int exp_pdu_data_dvbci_populate_data(packet_info *pinfo, void* data, guint8 *tlv_buffer, guint32 buffer_size _U_) +{ + phton16(&tlv_buffer[0], EXP_PDU_TAG_DVBCI_EVT); + phton16(&tlv_buffer[2], EXP_PDU_TAG_DVBCI_EVT_LEN); + tlv_buffer[4] = dvbci_get_evt_from_addrs(pinfo); + + return exp_pdu_data_dvbci_size(pinfo, data); +} + +static exp_pdu_data_item_t exp_pdu_dvbci = {exp_pdu_data_dvbci_size, exp_pdu_data_dvbci_populate_data, NULL}; + +static void +dissect_sac_msg(guint32 tag, tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree, gboolean exported) +{ + gint offset_start; + guint32 msg_ctr; + guint8 enc_flag, enc_cip; + proto_item *enc_flag_pi; + 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; + gboolean is_exportable = FALSE; + + offset_start = offset; + + /* 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; + enc_flag_pi = proto_tree_add_item(tree, hf_dvbci_sac_payload_enc, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (exported && enc_flag) { + expert_add_info(pinfo, enc_flag_pi, &ei_dvbci_sac_payload_enc); + enc_flag = 0; + } + 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) + return; + if (enc_flag) { + clear_sac_body_tvb = decrypt_sac_msg_body(pinfo, enc_cip, + tvb, offset, tvb_reported_length_remaining(tvb, offset)); + } + else { + clear_sac_body_tvb = tvb_new_subset_remaining(tvb, offset); + } + if (!clear_sac_body_tvb) { + /* we could not decrypt (or access) the clear sac message body */ + proto_tree_add_item(tree, hf_dvbci_sac_enc_body, tvb, offset, + tvb_reported_length_remaining(tvb, offset), ENC_NA); + return; + } + if (enc_flag) + add_new_data_source(pinfo, clear_sac_body_tvb, "Clear SAC message body"); + if (sac_payload_len>0) { + sac_tree = proto_tree_add_subtree(tree, clear_sac_body_tvb, 0, sac_payload_len, + ett_dvbci_sac_msg_body, NULL, "SAC message payload"); + 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, &is_exportable); + } + 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) + return; + if (sac_payload_len > sac_payload_data_len) { + proto_tree_add_item(sac_tree, hf_dvbci_sac_padding, + clear_sac_body_tvb, sac_payload_data_len, + sac_payload_len-sac_payload_data_len, ENC_NA); + } + } + 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_NA); + + /* we call this function also to dissect exported SAC messages, + don't try to export them a second time */ + if (!exported && is_exportable && have_tap_listener(exported_pdu_tap)) { + static const exp_pdu_data_item_t *dvbci_exp_pdu_items[] = { + &exp_pdu_dvbci, + NULL + }; + + tvbuff_t *clear_sac_msg_tvb; + exp_pdu_data_t *exp_pdu_data; + + clear_sac_msg_tvb = tvb_new_composite(); + tvb_composite_append(clear_sac_msg_tvb, + tvb_clone_offset_len(tvb, offset_start, SAC_MSG_HDR_LEN)); + tvb_composite_append(clear_sac_msg_tvb, clear_sac_body_tvb); + tvb_composite_finalize(clear_sac_msg_tvb); + + exp_pdu_data = export_pdu_create_tags(pinfo, EXPORTED_SAC_MSG_PROTO, EXP_PDU_TAG_DISSECTOR_NAME, dvbci_exp_pdu_items); + + exp_pdu_data->tvb_captured_length = tvb_captured_length(clear_sac_msg_tvb); + exp_pdu_data->tvb_reported_length = tvb_reported_length(clear_sac_msg_tvb); + exp_pdu_data->pdu_tvb = clear_sac_msg_tvb; + tap_queue_packet(exported_pdu_tap, pinfo, exp_pdu_data); + } +} + + +static int +dissect_dvbci_exported_sac_msg( + tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + guint8 evt; + guint32 tag; + + evt = dvbci_get_evt_from_addrs(pinfo); + if (!IS_DATA_TRANSFER(evt)) + return 0; + + col_append_sep_str(pinfo->cinfo, COL_PROTOCOL, NULL, EXPORTED_SAC_MSG_DESCRIPTION); + col_clear(pinfo->cinfo, COL_INFO); + + /* we only export cc_sac_data_req and _cnf, therefore, the tag can be + derived from the direction of the transfer */ + if (evt== DVBCI_EVT_DATA_CAM_TO_HOST) + tag = T_CC_SAC_DATA_REQ; + else + tag = T_CC_SAC_DATA_CNF; + + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + val_to_str_const(tag, dvbci_apdu_tag, "unknown")); + + dissect_sac_msg(tag, tvb, 0, pinfo, tree, TRUE); + return tvb_reported_length(tvb); +} + + +static void +dissect_dvbci_payload_cc(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + guint8 status; + proto_item *pi; + 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, NULL); + 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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(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: + dissect_sac_msg(tag, tvb, offset, pinfo, tree, FALSE); + 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 call packet_mpeg_sect_mjd_to_utc_time() + and check with nstime_is_zero() */ + if (tvb_get_ntoh40(tvb, offset) == 0) { + proto_tree_add_expert(tree, pinfo, &ei_dvbci_cc_pin_nvr_chg, + tvb, offset, UTC_TIME_LEN); + } + else { + if (packet_mpeg_sect_mjd_to_utc_time(tvb, offset, &utc_time) < 0) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, offset, UTC_TIME_LEN, + "Invalid UTC time field, 2 bytes MJD, 3 bytes BCD time hhmmss"); + break; + } + else { + proto_tree_add_time(tree, hf_dvbci_pin_chg_time, + tvb, offset, UTC_TIME_LEN, &utc_time); + } + } + 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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(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 (packet_mpeg_sect_mjd_to_utc_time(tvb, offset, &utc_time) < 0) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, offset, UTC_TIME_LEN, + "Invalid UTC time field, 2 bytes MJD, 3 bytes BCD time hhmmss"); + break; + } + else { + proto_tree_add_time(tree, hf_dvbci_pin_evt_time, + tvb, offset, UTC_TIME_LEN, &utc_time); + } + offset += UTC_TIME_LEN; + evt_cent = tvb_get_guint8(tvb, offset); + pi = proto_tree_add_item(tree, hf_dvbci_pin_evt_cent, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (evt_cent > 100) { + expert_add_info(pinfo, pi, &ei_dvbci_pin_evt_cent); + } + 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); + break; + default: + break; + } +} + + +static void +dissect_dvbci_ami_file_req(tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree) +{ + guint8 req_type; + const guint8 *req_str; + + 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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(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) { + return; + } + if (req_type==REQ_TYPE_FILE || req_type==REQ_TYPE_FILE_HASH) { + proto_tree_add_item_ret_string(tree, hf_dvbci_file_name, + tvb, offset, tvb_reported_length_remaining(tvb, offset), + ENC_ASCII, pinfo->pool, &req_str); + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", 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); + } +} + + +static void +dissect_dvbci_ami_file_ack(tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree) +{ + guint8 req_type; + gboolean req_ok = FALSE, file_ok; + guint8 file_name_len; + guint8 *file_name_str; + guint32 file_data_len; + proto_tree *req_tree; + + 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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(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_item(tree, hf_dvbci_file_name_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + file_name_str = tvb_get_string_enc(pinfo->pool, + tvb, offset, file_name_len, ENC_ASCII); + if (!file_name_str) + return; + col_append_sep_str(pinfo->cinfo, COL_INFO, " ", + 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_item(tree, hf_dvbci_file_data_len, + tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + if (file_data_len > 0) { + col_append_str(pinfo->cinfo, COL_PROTOCOL, ", "); + col_set_fence(pinfo->cinfo, COL_PROTOCOL); + /* The mime_encap dissector may overwrite this part. */ + col_append_str(pinfo->cinfo, COL_PROTOCOL, "Data"); + col_set_fence(pinfo->cinfo, COL_INFO); + call_dissector(mime_handle, + tvb_new_subset_length(tvb, offset, file_data_len), + pinfo, tree); + } + } + else if (req_type==REQ_TYPE_DATA) { + if (tvb_reported_length_remaining(tvb, offset) <= 0) + return; + 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) { + req_tree = proto_tree_add_subtree(tree, tvb, + offset, tvb_reported_length_remaining(tvb, offset), + ett_dvbci_ami_req_types, NULL, "Supported request 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_str(pinfo->cinfo, COL_INFO, NULL, + "cached copy is valid"); + } +} + + +static void +dissect_dvbci_payload_ami(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + guint8 app_dom_id_len, init_obj_len; + const guint8 *app_dom_id; + guint8 ack_code; + + switch(tag) { + case T_REQUEST_START: + /* no filter for length items */ + app_dom_id_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvbci_app_dom_id_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + init_obj_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvbci_init_obj_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + proto_tree_add_item_ret_string(tree, hf_dvbci_app_dom_id, + tvb, offset, app_dom_id_len, ENC_ASCII|ENC_NA, pinfo->pool, &app_dom_id); + 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); + 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_str(pinfo->cinfo, COL_INFO, ": ", + val_to_str_const(ack_code, dvbci_ack_code, "unknown")); + break; + case T_FILE_REQUEST: + dissect_dvbci_ami_file_req(tvb, offset, pinfo, tree); + break; + case T_FILE_ACKNOWLEDGE: + dissect_dvbci_ami_file_ack(tvb, offset, pinfo, tree); + 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, conversation_t *conv, + 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; + gint msg_len; + tvbuff_t *msg_tvb; + dissector_handle_t msg_handle; + guint32 conn_state, i, num_dns_srv; + + 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_str(pinfo->cinfo, COL_INFO, ": ", + 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, + conv, 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) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, + APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE, + "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 { + /* length field == 1 byte id + param_len */ + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, + APDU_TAG_SIZE, offset_start-APDU_TAG_SIZE, + "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_item(tree, hf_dvbci_phase_id, + tvb, offset, 1, ENC_BIG_ENDIAN); + 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_str(pinfo->cinfo, COL_INFO, NULL, + 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); + 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_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_str(pinfo->cinfo, COL_INFO, ": ", + ret_val_str); + 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_item(tree, hf_dvbci_phase_id, + tvb, offset, 1, ENC_BIG_ENDIAN); + col_append_sep_fstr(pinfo->cinfo, COL_INFO, ": ", + "Phase ID %d", phase_id); + offset++; + msg_len = tvb_reported_length_remaining(tvb, offset); + if (msg_len<=0) + break; + msg_tvb = tvb_new_subset_remaining(tvb, offset); + if (!msg_tvb) + break; + if (dvbci_dissect_lsc_msg && conv && conversation_get_dissector(conv, 0)) { + msg_handle = conversation_get_dissector(conv, 0); + col_append_str(pinfo->cinfo, COL_INFO, ", "); + col_set_fence(pinfo->cinfo, COL_INFO); + col_append_str(pinfo->cinfo, COL_PROTOCOL, ", "); + col_set_fence(pinfo->cinfo, COL_PROTOCOL); + } + else { + msg_handle = data_handle; + } + if (msg_handle) + call_dissector(msg_handle, msg_tvb, pinfo, tree); + break; + case T_COMMS_IP_CONFIG_REPLY: + proto_tree_add_item_ret_uint(tree, hf_dvbci_lsc_conn_state, + tvb, offset, 1, ENC_BIG_ENDIAN, &conn_state); + offset++; + proto_tree_add_item(tree, hf_dvbci_lsc_phys_addr, + tvb, offset, FT_ETHER_LEN, ENC_NA); + offset += FT_ETHER_LEN; + if (conn_state == LSC_CONNECTED) { + proto_tree_add_item(tree, hf_dvbci_lsc_ipv6_addr, + tvb, offset, FT_IPv6_LEN, ENC_NA); + offset += FT_IPv6_LEN; + proto_tree_add_item(tree, hf_dvbci_lsc_netmask, + tvb, offset, FT_IPv6_LEN, ENC_NA); + offset += FT_IPv6_LEN; + proto_tree_add_item(tree, hf_dvbci_lsc_gateway, + tvb, offset, FT_IPv6_LEN, ENC_NA); + offset += FT_IPv6_LEN; + proto_tree_add_item(tree, hf_dvbci_lsc_dhcp_srv, + tvb, offset, FT_IPv6_LEN, ENC_NA); + offset += FT_IPv6_LEN; + proto_tree_add_item_ret_uint(tree, hf_dvbci_lsc_num_dns_srv, + tvb, offset, 1, ENC_BIG_ENDIAN, &num_dns_srv); + offset++; + for(i = 0; i < num_dns_srv; i++) { + proto_tree_add_item(tree, hf_dvbci_lsc_dns_srv, + tvb, offset, FT_IPv6_LEN, ENC_NA); + offset += FT_IPv6_LEN; + } + } + break; + default: + break; + } +} + + +static void +dissect_dvbci_payload_opp(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + guint16 nit_loop_len, nit_loop_offset; + tvbuff_t *nit_loop_tvb, *nit_loop_partial_tvb; + guint dvb_nit_bytes; + guint8 table_id; + guint8 cap_loop_len; + gboolean info_valid; + guint enc_len; + dvb_encoding_e encoding; + guint8 desc_num; + 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); + if (nit_loop_len==0) + break; + offset += 2; + nit_loop_tvb = tvb_new_subset_length( + tvb, offset, nit_loop_len); + nit_loop_offset = 0; + if (!dvb_nit_handle) { + call_dissector(data_handle, nit_loop_tvb, pinfo, tree); + break; + } + /* prevent dvb_nit dissector from clearing the dvb-ci infos */ + col_append_str(pinfo->cinfo, COL_INFO, ", "); + col_set_fence(pinfo->cinfo, COL_INFO); + do { + table_id = tvb_get_guint8(nit_loop_tvb, nit_loop_offset); + if (table_id != TABLE_ID_CICAM_NIT) { + proto_tree_add_expert(tree, pinfo, &ei_dvbci_cicam_nit_table_id, + nit_loop_tvb, nit_loop_offset, 1); + } + nit_loop_partial_tvb = + tvb_new_subset_remaining(nit_loop_tvb, nit_loop_offset); + dvb_nit_bytes = call_dissector( + dvb_nit_handle, nit_loop_partial_tvb, pinfo, tree); + nit_loop_offset += dvb_nit_bytes; + /* offsets go from 0 to nit_loop_len-1 */ + } while (dvb_nit_bytes>0 && nit_loop_offset<nit_loop_len-1); + 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; + offset++; + 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; + + enc_len = dvb_analyze_string_charset(tvb, offset, + tvb_reported_length_remaining(tvb, offset), &encoding); + if (enc_len==0) { + proto_tree_add_expert(tree, pinfo, + &ei_dvbci_invalid_char_tbl, tvb, offset, + tvb_reported_length_remaining(tvb, offset)); + break; + } + dvb_add_chartbl(tree, hf_dvbci_opp_char_tbl, + tvb, offset, enc_len, encoding); + offset += enc_len; + + 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); + 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_BIG_ENDIAN); + break; + case T_OPERATOR_SEARCH_START: + proto_tree_add_item(tree, hf_dvbci_unattended, + tvb, offset, 1, ENC_BIG_ENDIAN); + + cap_loop_len = tvb_get_guint8(tvb, offset) & 0x7F; + proto_tree_add_item(tree, hf_dvbci_opp_svc_type_loop_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + /* no need for error checking, we continue anyway */ + dissect_opp_cap_loop(cap_loop_len, "Service type loop", + hf_dvbci_opp_svc_type, 1, tvb, offset, pinfo, tree); + offset += cap_loop_len; + + cap_loop_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvbci_dlv_cap_loop_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + /* XXX - handle multi-byte delivery capabilities */ + 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_item(tree, hf_dvbci_app_cap_loop_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + 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: + desc_num = tvb_get_guint8(tvb, offset); + pi = proto_tree_add_item(tree, hf_dvbci_desc_num, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (desc_num==OPP_NO_MORE_DESC) + proto_item_append_text(pi, " (all descriptors were processed)"); + 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); + pi = proto_tree_add_item(tree, hf_dvbci_sig_qual, + tvb, offset, 1, ENC_BIG_ENDIAN); + if (sig_strength>100 || sig_qual>100) { + expert_add_info(pinfo, pi, &ei_dvbci_sig_qual); + } + 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, + tvb, offset, pinfo, tree); + break; + case T_OPERATOR_TUNE: + dissect_desc_loop(hf_dvbci_opp_desc_loop_len, + tvb, offset, pinfo, tree); + break; + default: + break; + } +} + + +static void +dissect_dvbci_payload_afs(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv _U_, + packet_info *pinfo, proto_tree *tree) +{ + const guint8 *dom_id_str; + + switch(tag) { + case T_AFS_FILE_SYSTEM_OFFER: + proto_tree_add_item_ret_string(tree, hf_dvbci_afs_dom_id, + tvb, offset, 1, ENC_UTF_8|ENC_BIG_ENDIAN, + pinfo->pool, &dom_id_str); + if (dom_id_str) { + col_append_sep_fstr(pinfo->cinfo, + COL_INFO, ": ", "%s", dom_id_str); + } + break; + case T_AFS_FILE_SYSTEM_ACK: + proto_tree_add_item(tree, hf_dvbci_afs_ack_code, + tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case T_AFS_FILE_REQUEST: + dissect_dvbci_ami_file_req(tvb, offset, pinfo, tree); + break; + case T_AFS_FILE_ACKNOWLEDGE: + dissect_dvbci_ami_file_ack(tvb, offset, pinfo, tree); + break; + default: + break; + } +} + + +static void +dissect_dvbci_payload_sas(guint32 tag, gint len_field _U_, + tvbuff_t *tvb, gint offset, conversation_t *conv, + packet_info *pinfo, proto_tree *tree) +{ + gchar app_id_str[2+16+1]; /* "0x", string of 16 hex digits, trailing 0 */ + guint8 sas_status; + dissector_handle_t msg_handle; + guint8 msg_nb; + guint16 msg_len; + tvbuff_t *msg_tvb; + + switch(tag) { + case T_SAS_CONNECT_RQST: + case T_SAS_CONNECT_CNF: + snprintf(app_id_str, sizeof(app_id_str), + "0x%016" PRIx64, tvb_get_ntoh64(tvb, offset)); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", app_id_str); + 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_str(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); + if (!conv) + break; + if (sas_status == SAS_SESS_STATE_CONNECTED) { + msg_handle = dissector_get_string_handle( + sas_msg_dissector_table, app_id_str); + /* this clears the dissector for msg_handle==NULL */ + conversation_set_dissector(conv, msg_handle); + } + else + conversation_set_dissector(conv, NULL); + } + 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; + msg_tvb = tvb_new_subset_length(tvb, offset, msg_len); + msg_handle = conv ? conversation_get_dissector(conv, 0) : NULL; + if (msg_handle == NULL) + msg_handle = data_handle; + call_dissector(msg_handle, msg_tvb, pinfo, tree); + break; + default: + break; + } +} + + +static void +dissect_dvbci_apdu(tvbuff_t *tvb, conversation_t *conv, + packet_info *pinfo, proto_tree *tree, guint8 direction) +{ + proto_tree *app_tree; + guint32 apdu_len, tag, len_field; + const gchar *tag_str; + gint offset; + proto_item *pi; + apdu_info_t *ai; + guint32 apdu_res_id; + const gchar *ai_res_class_str; + + + apdu_len = tvb_reported_length(tvb); + + app_tree = proto_tree_add_subtree(tree, tvb, 0, apdu_len, ett_dvbci_application, NULL, "Application Layer"); + + tag = tvb_get_ntoh24(tvb, 0); + tag_str = try_val_to_str(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")); + pi = proto_tree_add_item( + app_tree, hf_dvbci_apdu_tag, tvb, 0, APDU_TAG_SIZE, ENC_BIG_ENDIAN); + if (tag_str == NULL) { + expert_add_info(pinfo, pi, &ei_dvbci_apdu_tag); + return; + } + + offset = dissect_ber_length(pinfo, app_tree, tvb, offset, &len_field, NULL); + if ((offset+len_field) != apdu_len) { + proto_tree_add_expert_format(app_tree, pinfo, &ei_dvbci_bad_length, tvb, + APDU_TAG_SIZE, offset-APDU_TAG_SIZE, + "Length field is different from the number of apdu payload bytes"); + /* we need len_field bytes of apdu payload to call + ai->dissect_payload() and continue dissecting */ + if (apdu_len < offset+len_field) + return; + } + + ai = (apdu_info_t *)g_hash_table_lookup(apdu_table, + GUINT_TO_POINTER((guint)tag)); + if (!ai) { + proto_tree_add_expert(app_tree, pinfo, &ei_dvbci_apdu_not_supported, tvb, 0, APDU_TAG_SIZE); + return; + } + if (ai->direction!=DIRECTION_ANY && ai->direction!=direction) { + if (ai->direction==DATA_HOST_TO_CAM) { + proto_tree_add_expert(app_tree, pinfo, &ei_dvbci_apu_host_to_cam, tvb, 0, APDU_TAG_SIZE); + } + else { + proto_tree_add_expert(app_tree, pinfo, &ei_dvbci_apu_cam_to_host, tvb, 0, APDU_TAG_SIZE); + } + /* don't return, we can continue dissecting the APDU */ + } + if (ai->min_len_field!=LEN_FIELD_ANY && len_field<ai->min_len_field) { + proto_tree_add_expert_format(app_tree, pinfo, &ei_dvbci_bad_length, tvb, 0, APDU_TAG_SIZE, + "Invalid APDU length field, 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) { + proto_tree_add_expert_format(app_tree, pinfo, &ei_dvbci_bad_length, tvb, 0, APDU_TAG_SIZE, + "Invalid APDU length field, length field for %s must be %d", tag_str, ai->len_field); + return; + } + if (conv) { + apdu_res_id = GPOINTER_TO_UINT(conversation_get_proto_data(conv, proto_dvbci)); + + ai_res_class_str = val_to_str_const(ai->res_class, dvbci_res_class, "Unknown"); + + if(RES_CLASS(apdu_res_id) != ai->res_class) { + proto_tree_add_expert_format(app_tree, pinfo, &ei_dvbci_res_class, tvb, 0, APDU_TAG_SIZE, + "Invalid resource class for this apdu, %s can only be sent on a %s session", + tag_str, ai_res_class_str); + } + if(RES_VER(apdu_res_id) < ai->res_min_ver) { + proto_tree_add_expert_format(app_tree, pinfo, &ei_dvbci_res_ver, tvb, 0, APDU_TAG_SIZE, + "Invalid resource version for this apdu, %s apdu requires at least %s version %d", + tag_str, ai_res_class_str, ai->res_min_ver); + } + /* don't return, we can continue dissecting the APDU */ + } + 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, conv, pinfo, app_tree); + } +} + +static void +dissect_dvbci_spdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + guint8 direction, guint8 tcid) +{ + guint32 spdu_len; + proto_item *ti; + proto_tree *sess_tree; + guint8 tag; + const gchar *tag_str; + conversation_t *conv = NULL; + proto_item *pi; + gint offset; + guint32 len_field; + const spdu_info_t *si; + proto_item *res_id_it = NULL; + guint32 res_id; + guint16 ssnb = 0; /* session numbers start with 1, 0 is invalid */ + guint8 sess_stat; + tvbuff_t *payload_tvb = NULL; + + + spdu_len = tvb_reported_length(tvb); + + sess_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_dvbci_session, &ti, "Session Layer"); + + tag = tvb_get_guint8(tvb,0); + tag_str = try_val_to_str(tag, dvbci_spdu_tag); + col_set_str(pinfo->cinfo, COL_INFO, + val_to_str_const(tag, dvbci_spdu_tag, "Invalid SPDU")); + pi = proto_tree_add_item(sess_tree, hf_dvbci_spdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN); + if (tag_str == NULL) { + expert_add_info(pinfo, pi, &ei_dvbci_spdu_tag); + 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) { + if (si->direction==DATA_HOST_TO_CAM) { + proto_tree_add_expert(sess_tree, pinfo, &ei_dvbci_spdu_host_to_cam, tvb, 0, 1); + } + else { + proto_tree_add_expert(sess_tree, pinfo, &ei_dvbci_spdu_cam_to_host, tvb, 0, 1); + } + } + if (si->len_field != len_field) { + /* offset points to 1st byte after the length field */ + proto_tree_add_expert_format(sess_tree, pinfo, &ei_dvbci_bad_length, tvb, 1, offset-1, + "Invalid SPDU length field, correct length field for %s is %d", tag_str, si->len_field); + return; + } + + switch(tag) + { + case T_OPEN_SESSION_REQUEST: + res_id_it = dissect_res_id(tvb, offset, pinfo, sess_tree, 0, TRUE); + break; + case T_CREATE_SESSION: + res_id_it = dissect_res_id(tvb, offset, pinfo, sess_tree, 0, TRUE); + /* DVB-CI uses network byte order == big endian */ + ssnb = tvb_get_ntohs(tvb, offset+RES_ID_LEN); + proto_tree_add_item(sess_tree, hf_dvbci_sess_nb, + tvb, offset+RES_ID_LEN, 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); + res_id_it = dissect_res_id(tvb, offset+1, pinfo, sess_tree, 0, TRUE); + ssnb = tvb_get_ntohs(tvb, offset+1+RES_ID_LEN); + 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, "Error"); + break; + } + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Session opened"); + conv = conversation_new_by_id(pinfo->num, CONVERSATION_DVBCI, CT_ID(ssnb, tcid)); + /* we always add the resource id immediately after the circuit + was created */ + conversation_add_proto_data(conv, proto_dvbci, GUINT_TO_POINTER(res_id)); + break; + case T_CLOSE_SESSION_REQUEST: + ssnb = tvb_get_ntohs(tvb, offset); + 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); + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + sess_stat==SESS_CLOSED ? "Session closed" : "Error"); + ssnb = tvb_get_ntohs(tvb, offset+1); + proto_tree_add_item(sess_tree, hf_dvbci_sess_nb, + tvb, offset+1, 2, ENC_BIG_ENDIAN); + conv = find_conversation_by_id(pinfo->num, CONVERSATION_DVBCI, CT_ID(ssnb, tcid)); + if (conv) + conv->last_frame = pinfo->num; + break; + case T_SESSION_NUMBER: + ssnb = tvb_get_ntohs(tvb, offset); + proto_tree_add_item( + sess_tree, hf_dvbci_sess_nb, tvb, + offset, 2, ENC_BIG_ENDIAN); + payload_tvb = + tvb_new_subset_remaining(tvb, offset+2); + break; + default: + break; + } + + if (ssnb && !conv) + conv = find_conversation_by_id(pinfo->num, CONVERSATION_DVBCI, CT_ID(ssnb, tcid)); + + /* if the packet contains no resource id, we add the cached id from + the circuit so that each packet has a resource id that can be + used for filtering */ + if (conv&& !res_id_it) { + /* when a circuit is found, it always contains a valid resource id */ + res_id = GPOINTER_TO_UINT(conversation_get_proto_data(conv, proto_dvbci)); + res_id_it = dissect_res_id(NULL, 0, pinfo, sess_tree, res_id, TRUE); + proto_item_set_generated(res_id_it); + } + + if (payload_tvb) { + proto_item_set_len(ti, spdu_len-tvb_reported_length(payload_tvb)); + dissect_dvbci_apdu(payload_tvb, conv, 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) { + proto_tree_add_expert(tree, pinfo, &ei_dvbci_tpdu_status_tag, tvb, offset_new, 1); + return -1; + } + proto_tree_add_item(tree, hf_dvbci_sb_tag, tvb, + offset_new, 1, ENC_BIG_ENDIAN); + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "T_SB"); + offset_new++; + + len_start_offset = offset_new; + offset_new = dissect_ber_length( + pinfo, tree, tvb, offset_new, &len_field, NULL); + if (len_field != 2) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, len_start_offset, offset_new-len_start_offset, + "Invalid status length field, this must always be 2"); + + return -1; + } + + t_c_id = tvb_get_guint8(tvb, offset_new); + pi = 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) { + expert_add_info_format(pinfo, pi, &ei_dvbci_t_c_id, + "Transport Connection ID mismatch, 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 = try_val_to_str(sb_value, dvbci_sb_value); + pi = proto_tree_add_item(tree, hf_dvbci_sb_value, tvb, + offset_new, 1, ENC_BIG_ENDIAN); + if (sb_str) { + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", sb_str); + } + else { + expert_add_info(pinfo, pi, &ei_dvbci_sb_value); + } + 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 = try_val_to_str(c_tpdu_tag, dvbci_c_tpdu); + pi = proto_tree_add_item(tree, hf_dvbci_c_tpdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN); + if (c_tpdu_str) { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, c_tpdu_str); + } + else { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + "Invalid Command-TPDU tag"); + expert_add_info(pinfo, pi, &ei_dvbci_c_tpdu_tag); + return -1; + } + } + else { + r_tpdu_tag = tvb_get_guint8(tvb, 0); + 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; + } + + tag = &r_tpdu_tag; + r_tpdu_str = try_val_to_str(r_tpdu_tag, dvbci_r_tpdu); + pi = proto_tree_add_item(tree, hf_dvbci_r_tpdu_tag, tvb, 0, 1, ENC_BIG_ENDIAN); + if (r_tpdu_str) { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, r_tpdu_str); + } + else { + col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, + "Invalid Response-TPDU tag"); + expert_add_info(pinfo, pi, &ei_dvbci_r_tpdu_tag); + return -1; + } + } + + offset = dissect_ber_length(pinfo, tree, tvb, 1, &len_field, NULL); + /* len_field must be at least 1 for the following t_c_id + c_tpdu's len_field must match tvbuff exactly + r_tpdu's len_field does not include the status part after the body */ + if (len_field==0 || + ((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 */ + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_bad_length, tvb, 1, offset-1, + len_field==0 ? "Invalid length field, length field must be at least 1" : + "Invalid length field, length field mismatch"); + return -1; + } + + t_c_id = tvb_get_guint8(tvb, offset); + pi = 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)) { + expert_add_info_format(pinfo, pi, &ei_dvbci_t_c_id, "Transport Connection ID mismatch, 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; + proto_tree *trans_tree; + gint offset, status_len; + guint8 hdr_tag = NO_TAG; + tvbuff_t *body_tvb, *payload_tvb = NULL; + fragment_head *frag_msg = NULL; + + + tpdu_len = tvb_reported_length(tvb); + + col_clear(pinfo->cinfo, COL_INFO); + + trans_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_dvbci_transport, &ti, "Transport Layer"); + + 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_length(tvb, offset, body_len); + /* dissect_dvbci_tpdu_hdr() checked that lpdu_tcid==t_c_id */ + frag_msg = fragment_add_seq_next(&spdu_reassembly_table, + body_tvb, 0, pinfo, SPDU_SEQ_ID_BASE+lpdu_tcid, NULL, + 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_str(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) { + proto_tree_add_expert(trans_tree, pinfo, &ei_dvbci_r_tpdu_status_mandatory, tvb, 0, 0); + 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, lpdu_tcid); +} + + +static void +dissect_dvbci_lpdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, + guint8 direction) +{ + proto_tree *link_tree; + guint32 payload_len; + guint8 tcid, more_last; + proto_item *pi; + tvbuff_t *payload_tvb; + fragment_head *frag_msg; + + + payload_len = tvb_reported_length(tvb); + + col_set_str(pinfo->cinfo, COL_INFO, "LPDU"); + + link_tree = proto_tree_add_subtree(tree, tvb, 0, 2, ett_dvbci_link, NULL, "Link Layer"); + + 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); + pi = proto_tree_add_item(link_tree, hf_dvbci_ml, tvb, 1, 1, ENC_BIG_ENDIAN); + if (try_val_to_str(more_last, dvbci_ml) == NULL) { + expert_add_info(pinfo, pi, &ei_dvbci_ml); + } + + /* buf_size_host==0 -> we did not capture the buffer size negotiation */ + if (buf_size_host!=0 && payload_len>buf_size_host) { + proto_tree_add_expert_format(link_tree, pinfo, &ei_dvbci_bad_length, tvb, 2, payload_len, + "Payload too large, maximum payload length is the negotiated buffer size (%d bytes)", buf_size_host); + } + + frag_msg = fragment_add_seq_next(&tpdu_reassembly_table, + tvb, 2, pinfo, TPDU_SEQ_ID_BASE+tcid, NULL, + 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_str(pinfo->cinfo, COL_INFO, " (Message fragment)"); + } else + payload_tvb = tvb_new_subset_remaining(tvb, 2); + } + 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; + pi = 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 + */ + expert_add_info_format(pinfo, pi, &ei_dvbci_buf_size, "Illegal buffer size command. 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) { + proto_tree_add_expert_format(tree, pinfo, &ei_dvbci_buf_size, tvb, 0, 2, + "Illegal buffer size, minimum buffer size is 16 bytes"); + } +} + +/* dissect Level 1 version/product information tuple's payload + data_tvb is a separate tvb for the tuple payload (without tag and len) + return the number of dissected bytes or -1 for error */ +static gint +dissect_dvbci_cis_payload_tpll_v1(tvbuff_t *data_tvb, + packet_info *pinfo _U_, proto_tree *tree) +{ + gint offset=0, offset_str_end; + + /* the CIS is defined by PCMCIA, all multi-byte values are little endian + (the rest of DVB-CI is a big-endian protocol) */ + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_major, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_minor, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + /* manufacturer, name and additional infos are 0-terminated strings */ + offset_str_end = tvb_find_guint8(data_tvb, offset, -1, 0x0); + if (offset_str_end<offset) /* offset_str_end==offset is ok */ + return offset; + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_info_manuf, + data_tvb, offset, offset_str_end-offset, ENC_ASCII); + offset = offset_str_end+1; /* +1 for 0 termination */ + + offset_str_end = tvb_find_guint8(data_tvb, offset, -1, 0x0); + if (offset_str_end<offset) + return offset; + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_info_name, + data_tvb, offset, offset_str_end-offset, ENC_ASCII); + offset = offset_str_end+1; + + /* the pc-card spec mentions two additional info strings, + it's unclear if both are mandatory + >1 because the last byte is the tuple end marker */ + while (tvb_reported_length_remaining(data_tvb, offset)>1) { + offset_str_end = tvb_find_guint8(data_tvb, offset, -1, 0x0); + if (offset_str_end<offset) + break; + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_info_additional, + data_tvb, offset, offset_str_end-offset, ENC_ASCII); + offset = offset_str_end+1; + } + + proto_tree_add_item(tree, hf_dvbci_cis_tpll_v1_end, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + return offset; +} + +static gint +dissect_dvbci_cis_payload_config(tvbuff_t *data_tvb, + packet_info *pinfo _U_, proto_tree *tree) +{ + gint offset = 0; + /* these are the actual sizes, the CIS stores rmsz-1 and rasz-1 */ + guint8 rfsz, rmsz, rasz; + guint8 st_code, st_len; + const gchar *st_code_str; + proto_item *st_item = NULL; + proto_tree *st_tree = NULL; + guint8 stci_ifn_size; /* actual size, see comment above */ + + rfsz = (tvb_get_guint8(data_tvb, offset)&0xC0) >> 6; + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_rfsz, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + rmsz = ((tvb_get_guint8(data_tvb, offset)&0x3C) >> 2) + 1; + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_rmsz, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + rasz = (tvb_get_guint8(data_tvb, offset)&0x03) + 1; + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_rasz, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_last, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_radr, + data_tvb, offset, rasz, ENC_LITTLE_ENDIAN); + offset += rasz; + proto_tree_add_item(tree, hf_dvbci_cis_tpcc_rmsk, + data_tvb, offset, rmsz, ENC_NA); + offset += rmsz; + offset += rfsz; /* skip reserved bytes */ + + while (tvb_reported_length_remaining(data_tvb, offset) > 0) { + st_code = tvb_get_guint8(data_tvb, offset); + st_code_str = val_to_str_const(st_code, dvbci_cis_subtpl_code, "unknown"); + st_tree = proto_tree_add_subtree_format(tree, data_tvb, offset, -1, + ett_dvbci_cis_subtpl, &st_item, "Subtuple: %s (0x%x)", st_code_str, st_code); + proto_tree_add_item(st_tree, hf_dvbci_cis_st_code, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + st_len = tvb_get_guint8(data_tvb, offset); + proto_item_set_len(st_item, 2+st_len); /* tag, len byte, body */ + proto_tree_add_item(st_tree, hf_dvbci_cis_st_len, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + if (st_code == CCSTPL_CIF) { + stci_ifn_size = ((tvb_get_guint8(data_tvb, offset) & 0xC0)>>6)+1; + proto_tree_add_item(st_tree, hf_dvbci_cis_stci_ifn_size, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + /* don't increment offset, + size and actual value's LSB share the same byte */ + proto_tree_add_item(st_tree, hf_dvbci_cis_stci_ifn, + data_tvb, offset, stci_ifn_size, ENC_LITTLE_ENDIAN); + offset += stci_ifn_size; + /* the stci_str field could consist of multiple strings, + this case is not supported for now */ + proto_tree_add_item(st_tree, hf_dvbci_cis_stci_str, + data_tvb, offset, st_len-stci_ifn_size, ENC_ASCII); + offset += st_len-stci_ifn_size; + } + else { + /* skip unknown subtuple's content */ + offset += st_len; + } + } + + return offset; +} + + +static gint +dissect_dvbci_cis_payload_cftable_entry(tvbuff_t *data_tvb, + packet_info *pinfo _U_, proto_tree *tree) +{ + gint offset = 0; + gboolean intface_flag; + + intface_flag = ((tvb_get_guint8(data_tvb, offset) & 0x80) == 0x80); + /* tpce_indx byte */ + proto_tree_add_item(tree, hf_dvbci_cis_tpce_indx_intface, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + proto_tree_add_item(tree, hf_dvbci_cis_tpce_indx_default, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + proto_tree_add_item(tree, hf_dvbci_cis_tpce_indx_cnf_entry, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + if (intface_flag) { + /* tpce_if byte */ + proto_tree_add_item(tree, hf_dvbci_cis_tpce_if_type, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + /* XXX parse other components of tpce_if */ + offset++; + } + + /* tpce_fs byte: this is present in any case */ + proto_tree_add_item(tree, hf_dvbci_cis_tpce_fs_mem_space, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + proto_tree_add_item(tree, hf_dvbci_cis_tpce_fs_irq, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + proto_tree_add_item(tree, hf_dvbci_cis_tpce_fs_io, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + /* XXX parse other components of tpce_fs */ + offset++; + + return offset; +} + +/* dissect the payload of a device_oc or device_oa tuple */ +static gint +dissect_dvbci_cis_payload_device(tvbuff_t *data_tvb, + packet_info *pinfo _U_, proto_tree *tree) +{ + gint offset = 0; + gboolean ext; + + ext = ((tvb_get_guint8(data_tvb, offset) & 0x80) == 0x80); + + proto_tree_add_item(tree, hf_dvbci_cis_dev_vcc_used, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + proto_tree_add_item(tree, hf_dvbci_cis_dev_mwait, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + while (ext) { + ext = ((tvb_get_guint8(data_tvb, offset) & 0x80) == 0x80); + + proto_tree_add_item(tree, hf_dvbci_cis_dev_oth_cond_info, + data_tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + } + + return offset; +} + +static void +dissect_dvbci_cis(tvbuff_t *tvb, gint offset, + packet_info *pinfo, proto_tree *tree) +{ + gint offset_start; + proto_tree *cis_tree = NULL, *tpl_tree = NULL; + proto_item *ti_main, *ti_tpl; + guint8 tpl_code; + const gchar *tpl_code_str = NULL; + guint8 len_field; + tvbuff_t *tpl_data_tvb; + + offset_start = offset; + + cis_tree = proto_tree_add_subtree(tree, tvb, offset, -1, + ett_dvbci_cis, &ti_main, "Card Information Structure (CIS)"); + + do { + tpl_code = tvb_get_guint8(tvb, offset); + tpl_code_str = val_to_str_const(tpl_code, dvbci_cis_tpl_code, "unknown"); + + tpl_tree = proto_tree_add_subtree_format(cis_tree, + tvb, offset, -1, ett_dvbci_cis_tpl, &ti_tpl, "CIS tuple: %s", tpl_code_str); + + proto_tree_add_uint_format(tpl_tree, hf_dvbci_cis_tpl_code, + tvb, offset, 1, tpl_code, "Tuple code: %s (0x%x)", + tpl_code_str, tpl_code); + offset++; + + if (tpl_code == CISTPL_END) { + proto_item_set_len(ti_tpl, 1); /* only tag (no len and content) */ + break; + } + + len_field = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tpl_tree, hf_dvbci_cis_tpl_len, + tvb, offset, 1, ENC_LITTLE_ENDIAN); + offset++; + + tpl_data_tvb = tvb_new_subset_length(tvb, offset, len_field); + switch (tpl_code) { + case CISTPL_VERS_1: + dissect_dvbci_cis_payload_tpll_v1( + tpl_data_tvb, pinfo, tpl_tree); + offset += len_field; + break; + case CISTPL_CONFIG: + dissect_dvbci_cis_payload_config(tpl_data_tvb, pinfo, tpl_tree); + offset += len_field; + break; + case CISTPL_CFTABLE_ENTRY: + dissect_dvbci_cis_payload_cftable_entry( + tpl_data_tvb, pinfo, tpl_tree); + offset += len_field; + break; + case CISTPL_DEVICE_OC: + /* fall through: those two tuples' data is identical */ + case CISTPL_DEVICE_OA: + dissect_dvbci_cis_payload_device( + tpl_data_tvb, pinfo, tpl_tree); + offset += len_field; + break; + case CISTPL_MANFID: + proto_tree_add_item(tpl_tree, hf_dvbci_cis_tplmid_manf, + tvb, offset, 2, ENC_LITTLE_ENDIAN); + offset+=2; + proto_tree_add_item(tpl_tree, hf_dvbci_cis_tplmid_card, + tvb, offset, 2, ENC_LITTLE_ENDIAN); + offset+=2; + break; + default: + if (len_field>0) { + proto_tree_add_item(tpl_tree, hf_dvbci_cis_tpl_data, + tvb, offset, len_field, ENC_NA); + } + offset += len_field; + break; + } + + proto_item_set_len(ti_tpl, 2+len_field); /* tag, len byte, content */ + + } while (tvb_reported_length_remaining(tvb, offset) > 0); + + proto_item_set_len(ti_main, offset-offset_start); +} + + +static int +dissect_dvbci(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + 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; + proto_tree *dvbci_tree, *hdr_tree; + tvbuff_t *payload_tvb; + guint16 cor_addr; + guint8 cor_value; + proto_item *pi; + guint8 hw_event; + + if (tvb_captured_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 = try_val_to_str(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); + + 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); + hdr_tree = proto_tree_add_subtree(dvbci_tree, + tvb, 0, offset, ett_dvbci_hdr, NULL, "Pseudo header"); + proto_tree_add_item(hdr_tree, hf_dvbci_hdr_ver, + tvb, offset_ver, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(hdr_tree, hf_dvbci_event, + tvb, offset_evt, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(hdr_tree, hf_dvbci_len, + tvb, offset_len_field, 2, ENC_BIG_ENDIAN); + + if (IS_DATA_TRANSFER(event)) { + dvbci_set_addrs(event, pinfo); + + payload_tvb = tvb_new_subset_remaining(tvb, offset); + 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==DVBCI_EVT_COR_WRITE) { + /* PCAP format for DVB-CI defines COR address as big endian */ + pi = proto_tree_add_item(dvbci_tree, hf_dvbci_cor_addr, + tvb, offset, 2, ENC_BIG_ENDIAN); + cor_addr = tvb_get_ntohs(tvb, offset); + if (cor_addr == 0xFFFF) { + proto_item_append_text(pi, " (COR address is unknown)"); + col_append_sep_str(pinfo->cinfo, COL_INFO, ": ", "unknown address"); + } + else if (cor_addr > 0xFFE) { + expert_add_info(pinfo, pi, &ei_dvbci_cor_addr); + } + else { + 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_item(dvbci_tree, hf_dvbci_cor_val, + tvb, offset, 1, ENC_BIG_ENDIAN); + col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, + "value 0x%x", cor_value); + } + else if (event==DVBCI_EVT_CIS_READ) { + dissect_dvbci_cis(tvb, offset, pinfo, dvbci_tree); + } + else if (event==DVBCI_EVT_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; +} + +static void +dvbci_shutdown(void) +{ + if (spdu_table) + g_hash_table_destroy(spdu_table); + if (apdu_table) + g_hash_table_destroy(apdu_table); +} + +void +proto_register_dvbci(void) +{ + guint i; + module_t *dvbci_module; + expert_module_t* expert_dvbci; + + static gint *ett[] = { + &ett_dvbci, + &ett_dvbci_hdr, + &ett_dvbci_cis, + &ett_dvbci_cis_tpl, + &ett_dvbci_cis_subtpl, + &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, + &ett_dvbci_dlv_sys_hint + }; + + static hf_register_info hf[] = { + { &hf_dvbci_hdr_ver, + { "Version", "dvb-ci.hdr_version", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_event, + { "Event", "dvb-ci.event", + FT_UINT8, BASE_HEX, VALS(dvbci_event), 0, NULL, HFILL } + }, + { &hf_dvbci_len, + { "Length field", "dvb-ci.length_field", + FT_UINT16, BASE_DEC, NULL, 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_cor_addr, + { "COR address", "dvb-ci.cor_address", + FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cor_val, + { "COR value", "dvb-ci.cor_value", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpl_code, + { "CIS tuple code", "dvb-ci.cis.tpl_code", + FT_UINT8, BASE_HEX, VALS(dvbci_cis_tpl_code), 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpl_len, + { "Length field", "dvb-ci.cis.tpl_len", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpl_data, + { "Tuple data", "dvb-ci.cis.tpl_data", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_major, + { "Major version number", "dvb-ci.cis.tpll_v1_major", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_minor, + { "Minor version number", "dvb-ci.cis.tpll_v1_minor", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_info_manuf, + { "Manufacturer", "dvb-ci.cis.tpll_v1_info.manufacturer", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_info_name, + { "Name", "dvb-ci.cis.tpll_v1_info.name", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_info_additional, + { "Additional info", "dvb-ci.cis.tpll_v1_info.additional", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpll_v1_end, + { "End of chain", "dvb-ci.cis.tpll_v1_end", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_rfsz, + { "Size of reserved area", "dvb-ci.cis.tpcc_rfsz", + FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_rmsz, + { "Size of TPCC_RMSK field - 1", "dvb-ci.cis.tpcc_rmsz", + FT_UINT8, BASE_HEX, NULL, 0x3C, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_rasz, + { "Size of TPCC_RADR - 1", "dvb-ci.cis.tpcc_rasz", + FT_UINT8, BASE_HEX, NULL, 0x03, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_last, + { "Index of the last cftable entry", "dvb-ci.cis.tpcc_last", + FT_UINT8, BASE_HEX, NULL, 0x3F, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_radr, + { "COR base address", "dvb-ci.cis.tpcc_radr", + FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpcc_rmsk, + { "Configuration register presence mask", "dvb-ci.cis.tpcc_rmsk", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_st_code, + { "Subtuple tag", "dvb-ci.cis.st_code", + FT_UINT8, BASE_HEX, VALS(dvbci_cis_subtpl_code), 0, NULL, HFILL } + }, + { &hf_dvbci_cis_st_len, + { "Subtuple length", "dvb-ci.cis.st_len", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_stci_ifn_size, + { "Size of interface ID number - 1", "dvb-ci.cis.stci_ifn_size", + FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL } + }, + { &hf_dvbci_cis_stci_ifn, + { "Interface ID number", "dvb-ci.cis.stci_ifn", + FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_stci_str, + { "Interface description strings", "dvb-ci.cis.stci_str", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_indx_intface, + { "Intface", "dvb-ci.cis.tpce_indx.intface", + FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_indx_default, + { "Default", "dvb-ci.cis.tpce_indx.default", + FT_UINT8, BASE_HEX, NULL, 0x40, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_indx_cnf_entry, + { "Configuration entry number", "dvb-ci.cis.tpce_indx.cnf_entry", + FT_UINT8, BASE_HEX, NULL, 0x3F, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_if_type, + { "Interface type", "dvb-ci.cis.tpce_if.type", FT_UINT8, BASE_HEX, + VALS(dvbci_cis_tpce_if_type), 0x0F, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_fs_mem_space, + { "Mem space", "dvb-ci.cis.tpce_fs.mem_space", + FT_UINT8, BASE_HEX, NULL, 0x60, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_fs_irq, + { "IRQ", "dvb-ci.cis.tpce_fs.irq", + FT_UINT8, BASE_HEX, NULL, 0x10, NULL, HFILL } + }, + { &hf_dvbci_cis_tpce_fs_io, + { "IO Space", "dvb-ci.cis.tpce_fs.io", + FT_UINT8, BASE_HEX, NULL, 0x08, NULL, HFILL } + }, + { &hf_dvbci_cis_dev_vcc_used, + { "Vcc used", "dvb-ci.cis.device.vcc_used", + FT_UINT8, BASE_HEX, VALS(dvbci_cis_dev_vcc_used), 0x06, NULL, HFILL } + }, + { &hf_dvbci_cis_dev_mwait, + { "MWait", "dvb-ci.cis.device.mwait", + FT_UINT8, BASE_HEX, NULL, 0x01, NULL, HFILL } + }, + { &hf_dvbci_cis_dev_oth_cond_info, + { "Other conditions info", "dvb-ci.cis.device.other_cond", + FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tplmid_manf, + { "PC Card manufacturer code", "dvb-ci.cis.tplmid_manf", + FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cis_tplmid_card, + { "Manufacturer info", "dvb-ci.cis.tplmid_card", + FT_UINT16, BASE_HEX, NULL, 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_tag, + { "SB tag", "dvb-ci.sb_tag", + 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_res_id, + { "Resource ID", "dvb-ci.res.id", + FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_res_id_type, + { "Resource ID Type", "dvb-ci.res.id_type", + FT_UINT32, BASE_HEX, NULL, RES_ID_TYPE_MASK, NULL, HFILL } + }, + { &hf_dvbci_res_class, + { "Resource Class", "dvb-ci.res.class", + FT_UINT32, BASE_HEX, VALS(dvbci_res_class), RES_CLASS_MASK, NULL, HFILL } + }, + { &hf_dvbci_res_type, + { "Resource Type", "dvb-ci.res.type", + FT_UINT32, BASE_HEX, NULL, RES_TYPE_MASK, NULL, HFILL } + }, + { &hf_dvbci_res_ver, + { "Resource Version", "dvb-ci.res.version", + FT_UINT32, BASE_HEX, NULL, RES_VER_MASK, 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_ap_char_tbl, + { "Character table", "dvb-ci.ap.menu_char_tbl", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL} + }, + { &hf_dvbci_menu_str, + { "Menu string", "dvb-ci.ap.menu_string", + FT_STRING, BASE_NONE, 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_ca_ver, + { "Version number", "dvb-ci.ca.version_number", + FT_UINT8, BASE_HEX, NULL, 0x3E, NULL, HFILL } + }, + { &hf_dvbci_curr_next, + { "Current-next indicator", "dvb-ci.ca.current_next_indicator", + FT_UINT8, BASE_HEX, NULL, 0x01, 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|BASE_EXT_STRING, &mpeg_pmt_stream_type_vals_ext, + 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_priv_data, + { "Private data", "dvb-ci.ca.private_data", + FT_BYTES, BASE_NONE, NULL, 0, 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_auth_proto_id, + { "Authentication protocol ID", "dvb-ci.aut.proto_id", + FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_auth_req_bytes, + { "Authentication request data", "dvb-ci.aut.req", + FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_auth_resp_bytes, + { "Authentication response data", "dvb-ci.aut.resp", + FT_BYTES, BASE_NONE, NULL, 0, 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_status, + { "Status field", "dvb-ci.hc.status_field", + FT_UINT8, BASE_HEX, VALS(dvbci_hc_status), 0, NULL, HFILL } + }, + { &hf_dvbci_hc_release_reply, + { "Release reply", "dvb-ci.hc.release_reply", + FT_UINT8, BASE_HEX, VALS(dvbci_hc_release_reply), 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_mmi_char_tbl, + { "Character table", "dvb-ci.mmi.char_tbl", + FT_BYTES, BASE_NONE, NULL, 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_enq, + { "Enquiry string", "dvb-ci.mmi.enq", + FT_STRING, BASE_NONE, NULL, 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_ans, + { "Answer", "dvb-ci.mmi.ans", + FT_STRING, BASE_NONE, NULL, 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_title, + { "Title", "dvb-ci.mmi.title", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_subtitle, + { "Sub-title", "dvb-ci.mmi.subtitle", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_bottom, + { "Bottom line", "dvb-ci.mmi.bottom", + FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_item, + { "Item", "dvb-ci.mmi.item", + FT_STRING, BASE_NONE, 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_snd_dat_nbr, + { "Number of sent data items", "dvb-ci.cc.snd_dat_nbr", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_cc_req_dat_nbr, + { "Number of requested data items", "dvb-ci.cc.req_dat_nbr", + FT_UINT8, BASE_DEC, 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_cc_dat_len, + { "Length", "dvb-ci.cc.datatype_length", + FT_UINT16, BASE_DEC, NULL, 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, VALS(dvbci_cc_uri_emi), 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.rct", + FT_UINT8, BASE_HEX, NULL, 0x04, NULL, HFILL } + }, + { &hf_dvbci_uri_dot, + { "Digital only token (DOT)", "dvb-ci.cc.uri.dot", + FT_UINT8, BASE_HEX, NULL, 0x01, NULL, HFILL } + }, + /* retention limit is 6bit in URIv1 and 8bit in URIv2 and later + the position depends on the version, we can't define a mask here */ + { &hf_dvbci_uri_rl, + { "Retention limit", "dvb-ci.cc.uri.rl", + FT_UINT8, BASE_HEX, NULL, 0, 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_padding, + { "Padding", "dvb-ci.cc.sac.padding", + 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_len, + { "Application Domain Identifier length", "dvb-ci.ami.app_dom_id_len", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_init_obj_len, + { "Initial Object length", "dvb-ci.ami.init_obj_len", + FT_UINT8, BASE_DEC, 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_len, + { "File name length", "dvb-ci.ami.file_name_len", + FT_UINT8, BASE_DEC, 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_file_data_len, + { "File data length", "dvb-ci.ami.file_data_len", + FT_UINT32, BASE_DEC, 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_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_DEC, 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_media_data, + { "Media-specific data", "dvb-ci.lsc.media_data", + FT_BYTES, BASE_NONE, 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_UINT16, 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_conn_state, + { "Connection state", "dvb-ci.lsc.connection_state", + FT_UINT8, BASE_HEX, VALS(dvbci_lsc_connect), 0xC0, NULL, HFILL } + }, + { &hf_dvbci_lsc_phys_addr, + { "Physical address", "dvb-ci.lsc.physical_address", + FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_dvbci_lsc_netmask, + { "Network mask", "dvb-ci.lsc.netmask", + FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_lsc_gateway, + { "Default gateway", "dvb-ci.lsc.gateway", + FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_lsc_dhcp_srv, + { "DHCP server", "dvb-ci.lsc.dhcp_server", + FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_lsc_num_dns_srv, + { "Number of DNS servers", "dvb-ci.lsc.num_dns_srv", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_lsc_dns_srv, + { "DNS server", "dvb-ci.lsc.dns_server", + FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_afs_dom_id, + { "Domain identifier", "dvb-ci.afs.domain_identifier", + FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_afs_ack_code, + { "Ack code", "dvb-ci.afs.ack_code", + FT_UINT8, BASE_HEX, VALS(dvbci_afs_ack_code), 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, VALS(dvbci_opp_ref_req_flag), 0x03, NULL, HFILL } + }, + { &hf_dvbci_err_flag, + { "Error flag", "dvb-ci.opp.err_flag", + FT_UINT8, BASE_HEX, VALS(dvbci_opp_err_flag), 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_dlv_sys_hint_t, + { "terrestrial network (DVB-T/T2)", "dvb-ci.opp.dlv_sys_hint.t", + FT_BOOLEAN, 4, TFS(&tfs_set_notset), 0x4, NULL, HFILL } + }, + { &hf_dvbci_dlv_sys_hint_s, + { "satellite network (DVB-S/S2)", "dvb-ci.opp.dlv_sys_hint.s", + FT_BOOLEAN, 4, TFS(&tfs_set_notset), 0x2, NULL, HFILL } + }, + { &hf_dvbci_dlv_sys_hint_c, + { "cable network (DVB-C/C2)", "dvb-ci.opp.dlv_sys_hint.c", + FT_BOOLEAN, 4, TFS(&tfs_set_notset), 0x1, 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_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, + { "Character table", "dvb-ci.opp.char_tbl", + FT_BYTES, BASE_NONE, 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, VALS(dvbci_opp_eit_pf_usage), 0x30, NULL, HFILL } + }, + { &hf_dvbci_eit_sch_usage, + { "EIT schedule usage", "dvb-ci.opp.eit_sch_usage", + FT_UINT8, BASE_HEX, VALS(dvbci_opp_eit_sch_usage), 0x0E, NULL, HFILL } + }, + { &hf_dvbci_ext_evt_usage, + { "Extended event usage", "dvb-ci.opp.ext_evt_usage", + FT_UINT8, BASE_HEX, VALS(dvbci_opp_ext_evt), 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_svc_type_loop_len, + { "Service type loop length", "dvb-ci.opp.svc_type_loop_len", + FT_UINT8, BASE_DEC, NULL, 0x7F, NULL, HFILL } + }, + { &hf_dvbci_opp_svc_type, + { "Service type", "dvb-ci.opp.service_type", FT_UINT8, + BASE_HEX|BASE_EXT_STRING, &mpeg_descr_service_type_vals_ext, + 0, NULL, HFILL } + }, + { &hf_dvbci_dlv_cap_loop_len, + { "Delivery capability loop length", "dvb-ci.opp.dlv_cap_loop_len", + FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } + }, + { &hf_dvbci_dlv_cap_byte, + { "Delivery capability byte", "dvb-ci.opp.dlv_cap_byte", + FT_UINT8, BASE_HEX, VALS(dvbci_opp_dlv_cap), 0, NULL, HFILL } + }, + { &hf_dvbci_app_cap_loop_len, + { "Application capability loop length", "dvb-ci.opp.app_cap_loop_len", + FT_UINT8, BASE_DEC, 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|BASE_EXT_STRING, + &mpeg_descr_data_bcast_id_vals_ext, 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, VALS(dvbci_opp_tune_stat), 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_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 } + } + }; + + static ei_register_info ei[] = { + { &ei_dvbci_cor_addr, + { "dvb-ci.cor_address.invalid", PI_PROTOCOL, PI_WARN, + "COR address must not be greater than 0xFFE (DVB-CI spec, A.5.6)", + EXPFILL }}, + { &ei_dvbci_buf_size, + { "dvb-ci.buf_size.invalid", PI_PROTOCOL, PI_WARN, + "Illegal buffer size command", EXPFILL }}, + { &ei_dvbci_ml, + { "dvb-ci.more_last.invalid", PI_PROTOCOL, PI_WARN, + "Invalid More/Last indicator, second byte of an LPDU must be 0x80 or 0x00", EXPFILL }}, + { &ei_dvbci_c_tpdu_tag, + { "dvb-ci.c_tpdu_tag.invalid", PI_MALFORMED, PI_ERROR, + "Invalid Command-TPDU tag, see DVB-CI specification, table A.16 for valid values", EXPFILL }}, + { &ei_dvbci_r_tpdu_status_mandatory, + { "dvb-ci.r_tpdu_status.mandatory", PI_MALFORMED, PI_ERROR, + "Response TPDU's status part is missing, RTPDU status is mandatory", EXPFILL }}, + { &ei_dvbci_r_tpdu_tag, + { "dvb-ci.r_tpdu_tag.invalid", PI_MALFORMED, PI_ERROR, + "Invalid Response-TPDU tag, see DVB-CI specification, table A.16 for valid values", EXPFILL }}, + { &ei_dvbci_sb_value, + { "dvb-ci.sb_value.invalid", PI_PROTOCOL, PI_WARN, + "Invalid SB_value, must be 0x00 or 0x80", EXPFILL }}, + { &ei_dvbci_t_c_id, + { "dvb-ci.t_c_id.invalid", PI_PROTOCOL, PI_WARN, + "Transport Connection ID mismatch, tcid is %d in the transport layer and %d in the link layer", EXPFILL }}, + { &ei_dvbci_tpdu_status_tag, + { "dvb-ci.tpdu.status_tag.invalid", PI_MALFORMED, PI_ERROR, + "Invalid status tag, this must always be T_SB (0x80)", EXPFILL }}, + { &ei_dvbci_spdu_tag, + { "dvb-ci.spdu.invalid_tag", PI_MALFORMED, PI_ERROR, + "Invalid SPDU tag, See table 14 in the DVB-CI specification", + EXPFILL }}, + { &ei_dvbci_spdu_cam_to_host, + { "dvb-ci.spdu.cam_to_host", PI_PROTOCOL, PI_WARN, + "Invalid SPDU direction, this SPDU must be sent from CAM to host", + EXPFILL }}, + { &ei_dvbci_spdu_host_to_cam, + { "dvb-ci.spdu.host_to_cam", PI_PROTOCOL, PI_WARN, + "Invalid SPDU direction, this SPDU must be sent from host to CAM", + EXPFILL }}, + { &ei_dvbci_apdu_tag, + { "dvb-ci.apdu.invalid_tag", PI_MALFORMED, PI_ERROR, + "Invalid or unsupported APDU tag", EXPFILL }}, + { &ei_dvbci_apu_cam_to_host, + { "dvb-ci.apu.cam_to_host", PI_PROTOCOL, PI_WARN, + "Invalid APDU direction, this APDU must be sent from CAM to host", + EXPFILL }}, + { &ei_dvbci_apu_host_to_cam, + { "dvb-ci.apu.host_to_cam", PI_PROTOCOL, PI_WARN, + "Invalid APDU direction, this APDU must be sent from host to CAM", + EXPFILL }}, + { &ei_dvbci_apdu_not_supported, + { "dvb-ci.apdu.not_supported", PI_PROTOCOL, PI_WARN, + "Dissection of this APDU is not supported", EXPFILL }}, + { &ei_dvbci_res_ver, + { "dvb-ci.apdu.res_ver_old", PI_PROTOCOL, PI_WARN, + "Invalid resource version for this apdu", EXPFILL }}, + { &ei_dvbci_res_class, + { "dvb-ci.apdu.res_class_invalid", PI_PROTOCOL, PI_WARN, + "Invalid resource class for this apdu", EXPFILL }}, + { &ei_dvbci_bad_length, + { "dvb-ci.apdu.bad_length", PI_MALFORMED, PI_ERROR, + "Invalid APDU length field, %s must be a multiple of 4 bytes", + EXPFILL }}, + /* this is used for both MMI and operator profile */ + { &ei_dvbci_invalid_char_tbl, + { "dvb-ci.apdu.invalid_char_tbl", PI_MALFORMED, PI_ERROR, + "Invalid character table", EXPFILL }}, + { &ei_dvbci_no_ca_desc_es, + { "dvb-ci.ca.no_ca_desc_es", PI_PROTOCOL, PI_CHAT, + "No CA descriptors for this elementary stream", EXPFILL }}, + { &ei_dvbci_no_ca_desc_prog, + { "dvb-ci.ca.no_ca_desc_prog", PI_PROTOCOL, PI_CHAT, + "No CA descriptors at program level", EXPFILL }}, + { &ei_dvbci_ca_pmt_cmd_id, + { "dvb-ci.ca.ca_pmt_cmd_id.ca_pmt", PI_MALFORMED, PI_ERROR, + "The ca_pmt shall only contain ca descriptors (tag 0x9)", + EXPFILL }}, + { &ei_dvbci_time_offs_unknown, + { "dvb-ci.dt.local_offset_unknown", PI_PROTOCOL, PI_CHAT, + "Offset between UTC and local time is unknown", EXPFILL }}, + { &ei_dvbci_not_text_more_or_text_last, + { "dvb-ci.mmi.not_text_more_or_text_last", PI_MALFORMED, PI_ERROR, + "Items must be text_more() or text_last() objects", EXPFILL }}, + { &ei_dvbci_network_id, + { "dvb-ci.hc.nid.ignored", PI_PROTOCOL, PI_NOTE, + "Network ID is usually ignored by hosts", EXPFILL }}, + { &ei_dvbci_cc_pin_nvr_chg, + { "dvb-ci.cc.pin_never_changed", PI_PROTOCOL, PI_CHAT, + "CICAM PIN has never been changed", EXPFILL }}, + { &ei_dvbci_pin_evt_cent, + { "dvb-ci.cc.pin_event_time_centi.invalid", PI_PROTOCOL, PI_WARN, + "Invalid value for event time centiseconds, Value must be between 0 and 100", + EXPFILL }}, + { &ei_dvbci_sac_payload_enc, + { "dvb-ci.cc.sac.payload_enc.clear", PI_PROTOCOL, PI_NOTE, + "The original PDU was encrypted, this exported PDU is in the clear", + EXPFILL }}, + { &ei_dvbci_sig_qual, + { "dvb-ci.opp.sig_qual.invalid", PI_PROTOCOL, PI_WARN, + "Invalid value for signal strength / signal quality, values are in percent (0 to 100)", + EXPFILL }}, + { &ei_dvbci_cicam_nit_table_id, + { "dvb-ci.opp.cicam_nit_table_id_invalid", PI_PROTOCOL, PI_WARN, + "CICAM NIT must have table id 0x40 (NIT actual)", EXPFILL }}, + { &ei_dvbci_cup_progress, + { "dvb-ci.cup.progress_invalid", PI_PROTOCOL, PI_WARN, + "progress is in percent, value must be between 0 and 100", + EXPFILL }}, + }; + + 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)); + expert_dvbci = expert_register_protocol(proto_dvbci); + expert_register_field_array(expert_dvbci, ei, array_length(ei)); + + 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)", + &dvbci_sek); + prefs_register_string_preference(dvbci_module, + "siv", "SAC Init Vector", "SAC Init Vector (16 hex bytes)", + &dvbci_siv); + prefs_register_bool_preference(dvbci_module, + "dissect_lsc_msg", + "Dissect LSC messages", + "Dissect the content of messages transmitted " + "on the Low-Speed Communication resource. " + "This requires a dissector for the protocol and target port " + "contained in the connection descriptor.", + &dvbci_dissect_lsc_msg); + + sas_msg_dissector_table = register_dissector_table("dvb-ci.sas.app_id_str", + "SAS application id", proto_dvbci, FT_STRING, STRING_CASE_SENSITIVE); + + register_init_routine(dvbci_init); + reassembly_table_register(&tpdu_reassembly_table, + &addresses_reassembly_table_functions); + reassembly_table_register(&spdu_reassembly_table, + &addresses_reassembly_table_functions); + + + /* the dissector for decrypted CI+ SAC messages which we can export */ + register_dissector_with_description(EXPORTED_SAC_MSG_PROTO, + EXPORTED_SAC_MSG_DESCRIPTION, + dissect_dvbci_exported_sac_msg, proto_dvbci); + + exported_pdu_tap = register_export_pdu_tap("DVB-CI"); + + register_shutdown_routine(dvbci_shutdown); + + dvbci_handle = register_dissector("dvb-ci", dissect_dvbci, proto_dvbci); +} + + +void +proto_reg_handoff_dvbci(void) +{ + static gboolean initialized = FALSE; + + if (!initialized) { + dissector_add_uint("wtap_encap", WTAP_ENCAP_DVBCI, dvbci_handle); + + data_handle = find_dissector("data"); + mpeg_pmt_handle = find_dissector_add_dependency("mpeg_pmt", proto_dvbci); + dvb_nit_handle = find_dissector_add_dependency("dvb_nit", proto_dvbci); + mime_handle = find_dissector_add_dependency("mime_dlt", proto_dvbci); + tcp_dissector_table = find_dissector_table("tcp.port"); + udp_dissector_table = find_dissector_table("udp.port"); + initialized = TRUE; + } + + g_free(dvbci_sek_bin); + g_free(dvbci_siv_bin); + pref_key_string_to_bin(dvbci_sek, &dvbci_sek_bin); + pref_key_string_to_bin(dvbci_siv, &dvbci_siv_bin); +} + +/* + * Editor modelines - https://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: + */ |