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wireshark/epan/dissectors/packet-simulcrypt.c

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/* packet-simulcrypt.c
* Simulcrypt protocol interface as defined in ETSI TS 103.197 v 1.5.1
*
* ECMG <-> SCS support
* David Castleford, Orange Labs / France Telecom R&D
* Oct 2008
*
* EMMG <-> MUX support and generic interface support
* Copyright 2009, Stig Bjorlykke <stig@bjorlykke.org>
*
* EIS <-> SCS support, (P)SIG <-> MUX support, MUX <-> CiM support and (P) <-> CiP support
* Copyright 2010, Giuliano Fabris <giuliano.fabris@appeartv.com> / AppearTV
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/prefs.h>
#include "packet-tcp.h"
#define PROTO_TAG_SIMULCRYPT "SIMULCRYPT"
#define CA_SYSTEM_ID_MIKEY 0x9999 /* CA_system_ID corresponding to MIKEY ECM */
#define CA_SYSTEM_ID_MIKEY_PROTO "mikey" /* Protocol name to be used to "decode as" ECMs with CA_SYSTEM_ID_MIKEY */
void proto_register_simulcrypt(void);
/* Tecm_interpretation links ca_system_id to ecmg port and protocol name for dissection of
* ecm_datagram in ECM_Response message.
* Currently size is 1 as only have MIKEY protocol but could add extra protocols
* could add option in preferences for new ca_system_id for new protocol for example
*/
typedef struct Tecm_interpretation
{
int ca_system_id;
const char *protocol_name;
dissector_handle_t protocol_handle;
guint ecmg_port;
} ecm_interpretation;
#define ECM_MIKEY_INDEX 0 /* must agree with tab_ecm_inter initialization */
static ecm_interpretation tab_ecm_inter[] = {
{CA_SYSTEM_ID_MIKEY, CA_SYSTEM_ID_MIKEY_PROTO, NULL, -1}
};
#define ECM_INTERPRETATION_SIZE (sizeof(tab_ecm_inter)/sizeof(ecm_interpretation))
static int dissect_simulcrypt_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_);
static guint get_simulcrypt_message_len(packet_info *pinfo, tvbuff_t *tvb, int offset, void *data);
static void dissect_simulcrypt_data(proto_tree *simulcrypt_tree, proto_item *simulcrypt_item, packet_info *pinfo _U_,
tvbuff_t *tvb, proto_tree *tree, int offset,
int container_data_length, guint16 iftype, gboolean is_subtree);
/* Wireshark ID of the SIMULCRYPT protocol */
static guint proto_simulcrypt = -1;
/* Preferences (with default values) */
static int ca_system_id_mikey = CA_SYSTEM_ID_MIKEY; /* MIKEY ECM CA_system_ID */
/* MIKEY payload start bytes */
/*unsigned char mikey_start[3]={0x01,0x00,0x15};
* mikey_start[0]=0x01; first byte mikey payload (version)
* mikey_start[1]=0x00; second byte mikey payload (data type)
* mikey_start[2]=0x15; third byte (next payload)
*/
/* Dissector-internal values to determine interface, can be re-organized */
#define SIMULCRYPT_RESERVED 0
#define SIMULCRYPT_ECMG_SCS 1
#define SIMULCRYPT_EMMG_MUX 2
#define SIMULCRYPT_CPSIG_PSIG 3
#define SIMULCRYPT_EIS_SCS 4
#define SIMULCRYPT_PSIG_MUX 5
#define SIMULCRYPT_MUX_CIM 6
#define SIMULCRYPT_PSIG_CIP 7
#define SIMULCRYPT_USER_DEFINED 8
static const value_string interfacenames[] = {
{ SIMULCRYPT_RESERVED, "DVB reserved" },
{ SIMULCRYPT_ECMG_SCS, "ECMG <-> SCS" },
{ SIMULCRYPT_EMMG_MUX, "EMMG <-> MUX" },
{ SIMULCRYPT_CPSIG_PSIG, "C(P)SIG <-> (P)SIG" },
{ SIMULCRYPT_EIS_SCS, "EIS <-> SCS" },
{ SIMULCRYPT_PSIG_MUX, "(P)SIG <-> MUX" },
{ SIMULCRYPT_MUX_CIM, "Carousel in the MUX - CiM" },
{ SIMULCRYPT_PSIG_CIP, "Carousel in the (P) - CiP" },
{ SIMULCRYPT_USER_DEFINED, "User defined" },
{ 0, NULL }
};
/* Reserved 0x0000 */
#define SIMULCRYPT_ECMG_CHANNEL_SETUP 0x0001
#define SIMULCRYPT_ECMG_CHANNEL_TEST 0x0002
#define SIMULCRYPT_ECMG_CHANNEL_STATUS 0x0003
#define SIMULCRYPT_ECMG_CHANNEL_CLOSE 0x0004
#define SIMULCRYPT_ECMG_CHANNEL_ERROR 0x0005
/* Reserved 0x0006 - 0x0010 */
#define SIMULCRYPT_EMMG_CHANNEL_SETUP 0x0011
#define SIMULCRYPT_EMMG_CHANNEL_TEST 0x0012
#define SIMULCRYPT_EMMG_CHANNEL_STATUS 0x0013
#define SIMULCRYPT_EMMG_CHANNEL_CLOSE 0x0014
#define SIMULCRYPT_EMMG_CHANNEL_ERROR 0x0015
/* Reserved 0x0016 - 0x0100 */
#define SIMULCRYPT_ECMG_STREAM_SETUP 0x0101
#define SIMULCRYPT_ECMG_STREAM_TEST 0x0102
#define SIMULCRYPT_ECMG_STREAM_STATUS 0x0103
#define SIMULCRYPT_ECMG_STREAM_CLOSE_REQUEST 0x0104
#define SIMULCRYPT_ECMG_STREAM_CLOSE_RESPONSE 0x0105
#define SIMULCRYPT_ECMG_STREAM_ERROR 0x0106
/* Reserved 0x0107 - 0x0110 */
#define SIMULCRYPT_EMMG_STREAM_SETUP 0x0111
#define SIMULCRYPT_EMMG_STREAM_TEST 0x0112
#define SIMULCRYPT_EMMG_STREAM_STATUS 0x0113
#define SIMULCRYPT_EMMG_STREAM_CLOSE_REQUEST 0x0114
#define SIMULCRYPT_EMMG_STREAM_CLOSE_RESPONSE 0x0115
#define SIMULCRYPT_EMMG_STREAM_ERROR 0x0116
#define SIMULCRYPT_EMMG_STREAM_BW_REQUEST 0x0117
#define SIMULCRYPT_EMMG_STREAM_BW_ALLOCATION 0x0118
/* Reserved 0x0119 - 0x0200 */
#define SIMULCRYPT_ECMG_CW_PROVISION 0x0201
#define SIMULCRYPT_ECMG_ECM_RESPONSE 0x0202
/* Reserved 0x0203 - 0x0210 */
#define SIMULCRYPT_EMMG_DATA_PROVISION 0x0211
/* Reserved 0x0212 - 0x0300 */
/* Reserved 0x0322 - 0x0400 */
#define SIMULCRYPT_EIS_CHANNEL_SET_UP 0x0401
#define SIMULCRYPT_EIS_CHANNEL_TEST 0x0402
#define SIMULCRYPT_EIS_CHANNEL_STATUS 0x0403
#define SIMULCRYPT_EIS_CHANNEL_CLOSE 0x0404
#define SIMULCRYPT_EIS_CHANNEL_ERROR 0x0405
#define SIMULCRYPT_EIS_CHANNEL_RESET 0x0406
#define SIMULCRYPT_EIS_SCG_PROVISION 0x0408
#define SIMULCRYPT_EIS_SCG_TEST 0x0409
#define SIMULCRYPT_EIS_SCG_STATUS 0x040A
#define SIMULCRYPT_EIS_SCG_ERROR 0x040B
#define SIMULCRYPT_EIS_SCG_LIST_REQUEST 0x040C
#define SIMULCRYPT_EIS_SCG_LIST_RESPONSE 0x040D
#define SIMULCRYPT_PSIG_CHANNEL_SETUP 0x0411
#define SIMULCRYPT_PSIG_CHANNEL_TEST 0x0412
#define SIMULCRYPT_PSIG_CHANNEL_STATUS 0x0413
#define SIMULCRYPT_PSIG_CHANNEL_CLOSE 0x0414
#define SIMULCRYPT_PSIG_CHANNEL_ERROR 0x0415
#define SIMULCRYPT_PSIG_STREAM_SETUP 0x0421
#define SIMULCRYPT_PSIG_STREAM_TEST 0x0422
#define SIMULCRYPT_PSIG_STREAM_STATUS 0x0423
#define SIMULCRYPT_PSIG_STREAM_CLOSE_REQUEST 0x0424
#define SIMULCRYPT_PSIG_STREAM_CLOSE_RESPONSE 0x0425
#define SIMULCRYPT_PSIG_STREAM_ERROR 0x0426
#define SIMULCRYPT_PSIG_CIM_STREAM_SECTION_PROVISION 0x0431
#define SIMULCRYPT_PSIG_CIM_CHANNEL_RESET 0x0432
#define SIMULCRYPT_PSIG_CIM_STREAM_BW_REQUEST 0x0441
#define SIMULCRYPT_PSIG_CIM_STREAM_BW_ALLOCATION 0x0442
#define SIMULCRYPT_PSIG_CIM_STREAM_DATA_PROVISION 0x0443
/* User defined 0x8000 - 0xFFFF */
static const value_string messagetypenames[] = {
{ SIMULCRYPT_ECMG_CHANNEL_SETUP, "CHANNEL_SETUP" },
{ SIMULCRYPT_ECMG_CHANNEL_TEST, "CHANNEL_TEST" },
{ SIMULCRYPT_ECMG_CHANNEL_STATUS, "CHANNEL_STATUS" },
{ SIMULCRYPT_ECMG_CHANNEL_CLOSE, "CHANNEL_CLOSE" },
{ SIMULCRYPT_ECMG_CHANNEL_ERROR, "CHANNEL_ERROR" },
{ SIMULCRYPT_EMMG_CHANNEL_SETUP, "CHANNEL_SETUP" },
{ SIMULCRYPT_EMMG_CHANNEL_TEST, "CHANNEL_TEST" },
{ SIMULCRYPT_EMMG_CHANNEL_STATUS, "CHANNEL_STATUS" },
{ SIMULCRYPT_EMMG_CHANNEL_CLOSE, "CHANNEL_CLOSE" },
{ SIMULCRYPT_EMMG_CHANNEL_ERROR, "CHANNEL_ERROR" },
{ SIMULCRYPT_ECMG_STREAM_SETUP, "STREAM_SETUP" },
{ SIMULCRYPT_ECMG_STREAM_TEST, "STREAM_TEST" },
{ SIMULCRYPT_ECMG_STREAM_STATUS, "STREAM_STATUS" },
{ SIMULCRYPT_ECMG_STREAM_CLOSE_REQUEST, "STREAM_CLOSE_REQUEST" },
{ SIMULCRYPT_ECMG_STREAM_CLOSE_RESPONSE, "STREAM_CLOSE_RESPONSE" },
{ SIMULCRYPT_ECMG_STREAM_ERROR, "STREAM_ERROR" },
{ SIMULCRYPT_EMMG_STREAM_SETUP, "STREAM_SETUP" },
{ SIMULCRYPT_EMMG_STREAM_TEST, "STREAM_TEST" },
{ SIMULCRYPT_EMMG_STREAM_STATUS, "STREAM_STATUS" },
{ SIMULCRYPT_EMMG_STREAM_CLOSE_REQUEST, "STREAM_CLOSE_REQUEST" },
{ SIMULCRYPT_EMMG_STREAM_CLOSE_RESPONSE, "STREAM_CLOSE_RESPONSE" },
{ SIMULCRYPT_EMMG_STREAM_ERROR, "STREAM_ERROR" },
{ SIMULCRYPT_EMMG_STREAM_BW_REQUEST, "STREAM_BW_REQUEST" },
{ SIMULCRYPT_EMMG_STREAM_BW_ALLOCATION, "STREAM_BW_ALLOCATION" },
{ SIMULCRYPT_ECMG_CW_PROVISION, "CW_PROVISION" },
{ SIMULCRYPT_ECMG_ECM_RESPONSE, "ECM_RESPONSE" },
{ SIMULCRYPT_EMMG_DATA_PROVISION, "DATA_PROVISION" },
{ SIMULCRYPT_EIS_CHANNEL_SET_UP, "CHANNEL_SET_UP" },
{ SIMULCRYPT_EIS_CHANNEL_TEST, "CHANNEL_TEST" },
{ SIMULCRYPT_EIS_CHANNEL_STATUS, "CHANNEL_STATUS" },
{ SIMULCRYPT_EIS_CHANNEL_CLOSE, "CHANNEL_CLOSE" },
{ SIMULCRYPT_EIS_CHANNEL_ERROR, "CHANNEL_ERROR" },
{ SIMULCRYPT_EIS_CHANNEL_RESET, "CHANNEL_RESET" },
{ SIMULCRYPT_EIS_SCG_PROVISION, "SCG_PROVISION" },
{ SIMULCRYPT_EIS_SCG_TEST, "SCG_TEST" },
{ SIMULCRYPT_EIS_SCG_STATUS, "SCG_STATUS" },
{ SIMULCRYPT_EIS_SCG_ERROR, "SCG_ERROR" },
{ SIMULCRYPT_EIS_SCG_LIST_REQUEST, "SCG_LIST_REQUEST" },
{ SIMULCRYPT_EIS_SCG_LIST_RESPONSE, "SCG_LIST_RESPONSE" },
{ SIMULCRYPT_PSIG_CHANNEL_SETUP, "CHANNEL_SETUP" },
{ SIMULCRYPT_PSIG_CHANNEL_TEST, "CHANNEL_TEST" },
{ SIMULCRYPT_PSIG_CHANNEL_STATUS, "CHANNEL_STATUS" },
{ SIMULCRYPT_PSIG_CHANNEL_CLOSE, "CHANNEL_CLOSE" },
{ SIMULCRYPT_PSIG_CHANNEL_ERROR, "CHANNEL_ERROR" },
{ SIMULCRYPT_PSIG_STREAM_SETUP, "STREAM_SETUP" },
{ SIMULCRYPT_PSIG_STREAM_TEST, "STREAM_TEST" },
{ SIMULCRYPT_PSIG_STREAM_STATUS, "STREAM_STATUS" },
{ SIMULCRYPT_PSIG_STREAM_CLOSE_REQUEST, "STREAM_CLOSE_REQUEST" },
{ SIMULCRYPT_PSIG_STREAM_CLOSE_RESPONSE, "STREAM_CLOSE_RESPONSE" },
{ SIMULCRYPT_PSIG_STREAM_ERROR, "STREAM_ERROR" },
{ SIMULCRYPT_PSIG_CIM_STREAM_SECTION_PROVISION, "CIM_STREAM_SECTION_PROVISION"},
{ SIMULCRYPT_PSIG_CIM_CHANNEL_RESET, "CIM_CHANNEL_RESET"},
/* XXX: Following added (since they seem to have been missing) */
{ SIMULCRYPT_PSIG_CIM_STREAM_BW_REQUEST, "CIM_STREAM_BW_REQUEST"},
{ SIMULCRYPT_PSIG_CIM_STREAM_BW_ALLOCATION, "CIM_STREAM_BW_ALLOCATION"},
{ SIMULCRYPT_PSIG_CIM_STREAM_DATA_PROVISION, "CIM_STREAM_DATA_PROVISION"},
{ 0, NULL }
};
static value_string_ext messagetypenames_ext = VALUE_STRING_EXT_INIT(messagetypenames);
/* Simulcrypt ECMG Parameter Types */
#define SIMULCRYPT_ECMG_DVB_RESERVED 0x0000
#define SIMULCRYPT_ECMG_SUPER_CAS_ID 0x0001
#define SIMULCRYPT_ECMG_SECTION_TSPKT_FLAG 0x0002
#define SIMULCRYPT_ECMG_DELAY_START 0x0003
#define SIMULCRYPT_ECMG_DELAY_STOP 0x0004
#define SIMULCRYPT_ECMG_TRANSITION_DELAY_START 0x0005
#define SIMULCRYPT_ECMG_TRANSITION_DELAY_STOP 0x0006
#define SIMULCRYPT_ECMG_ECM_REP_PERIOD 0x0007
#define SIMULCRYPT_ECMG_MAX_STREAMS 0x0008
#define SIMULCRYPT_ECMG_MIN_CP_DURATION 0x0009
#define SIMULCRYPT_ECMG_LEAD_CW 0x000A
#define SIMULCRYPT_ECMG_CW_PER_MESSAGE 0x000B
#define SIMULCRYPT_ECMG_MAX_COMP_TIME 0x000C
#define SIMULCRYPT_ECMG_ACCESS_CRITERIA 0x000D
#define SIMULCRYPT_ECMG_ECM_CHANNEL_ID 0x000E
#define SIMULCRYPT_ECMG_ECM_STREAM_ID 0x000F
#define SIMULCRYPT_ECMG_NOMINAL_CP_DURATION 0x0010
#define SIMULCRYPT_ECMG_ACCESS_CRITERIA_TRANSFER_MODE 0x0011
#define SIMULCRYPT_ECMG_CP_NUMBER 0x0012
#define SIMULCRYPT_ECMG_CP_DURATION 0x0013
#define SIMULCRYPT_ECMG_CP_CW_COMBINATION 0x0014
#define SIMULCRYPT_ECMG_ECM_DATAGRAM 0x0015
#define SIMULCRYPT_ECMG_AC_DELAY_START 0x0016
#define SIMULCRYPT_ECMG_AC_DELAY_STOP 0x0017
#define SIMULCRYPT_ECMG_CW_ENCRYPTION 0x0018
#define SIMULCRYPT_ECMG_ECM_ID 0x0019
#define SIMULCRYPT_ECMG_ERROR_STATUS 0x7000
#define SIMULCRYPT_ECMG_ERROR_INFORMATION 0x7001
static const value_string ecmg_parametertypenames[] = {
{ SIMULCRYPT_ECMG_DVB_RESERVED, "DVB_RESERVED" },
{ SIMULCRYPT_ECMG_SUPER_CAS_ID, "SUPER_CAS_ID" },
{ SIMULCRYPT_ECMG_SECTION_TSPKT_FLAG, "SECTION_TSPKT_FLAG" },
{ SIMULCRYPT_ECMG_DELAY_START, "DELAY_START" },
{ SIMULCRYPT_ECMG_DELAY_STOP, "DELAY_STOP" },
{ SIMULCRYPT_ECMG_TRANSITION_DELAY_START, "TRANSITION_DELAY_START" },
{ SIMULCRYPT_ECMG_TRANSITION_DELAY_STOP, "TRANSITION_DELAY_STOP" },
{ SIMULCRYPT_ECMG_ECM_REP_PERIOD, "ECM_REP_PERIOD" },
{ SIMULCRYPT_ECMG_MAX_STREAMS, "MAX_STREAMS" },
{ SIMULCRYPT_ECMG_MIN_CP_DURATION, "MIN_CP_DURATION" },
{ SIMULCRYPT_ECMG_LEAD_CW, "LEAD_CW" },
{ SIMULCRYPT_ECMG_CW_PER_MESSAGE, "CW_PER_MESSAGE" },
{ SIMULCRYPT_ECMG_MAX_COMP_TIME, "MAX_COMP_TIME" },
{ SIMULCRYPT_ECMG_ACCESS_CRITERIA, "ACCESS_CRITERIA" },
{ SIMULCRYPT_ECMG_ECM_CHANNEL_ID, "ECM_CHANNEL_ID" },
{ SIMULCRYPT_ECMG_ECM_STREAM_ID, "ECM_STREAM_ID" },
{ SIMULCRYPT_ECMG_NOMINAL_CP_DURATION, "NOMINAL_CP_DURATION" },
{ SIMULCRYPT_ECMG_ACCESS_CRITERIA_TRANSFER_MODE, "ACCESS_CRITERIA_TRANSFER_MODE" },
{ SIMULCRYPT_ECMG_CP_NUMBER, "CP_NUMBER" },
{ SIMULCRYPT_ECMG_CP_DURATION, "CP_DURATION" },
{ SIMULCRYPT_ECMG_CP_CW_COMBINATION, "CP_CW_COMBINATION" },
{ SIMULCRYPT_ECMG_ECM_DATAGRAM, "ECM_DATAGRAM" },
{ SIMULCRYPT_ECMG_AC_DELAY_START, "AC_DELAY_START" },
{ SIMULCRYPT_ECMG_AC_DELAY_STOP, "AC_DELAY_STOP" },
{ SIMULCRYPT_ECMG_CW_ENCRYPTION, "CW_ENCRYPTION" },
{ SIMULCRYPT_ECMG_ECM_ID, "ECM_ID" },
{ SIMULCRYPT_ECMG_ERROR_STATUS, "ERROR_STATUS" },
{ SIMULCRYPT_ECMG_ERROR_INFORMATION, "ERROR_INFORMATION" },
{ 0, NULL }
};
static value_string_ext ecmg_parametertypenames_ext = VALUE_STRING_EXT_INIT(ecmg_parametertypenames);
/* Simulcrypt ECMG protocol error values */
static const value_string ecmg_error_values[] = {
{ 0x0000, "DVB Reserved" },
{ 0x0001, "Invalid message" },
{ 0x0002, "Unsupported protocol version" },
{ 0x0003, "Unknown message type value" },
{ 0x0004, "Message too long" },
{ 0x0005, "Unknown super CAS ID value" },
{ 0x0006, "Unknown ECM channel ID value" },
{ 0x0007, "Unknown ECM stream ID value" },
{ 0x0008, "Too many channels on this ECMG" },
{ 0x0009, "Too many ECM streams on this channel" },
{ 0x000A, "Too many ECM streams on this ECMG" },
{ 0x000B, "Not enough control words to compute ECM" },
{ 0x000C, "ECMG out of storage capacity" },
{ 0x000D, "ECMG out of computational resources" },
{ 0x000E, "Unknown parameter type value" },
{ 0x000F, "Inconsistent length for DVB parameter" },
{ 0x0010, "Missing mandatory DVB parameter" },
{ 0x0011, "Invalid value for DVB parameter" },
{ 0x0012, "Unknown ECM ID value" },
{ 0x0013, "ECM channel ID value already in use" },
{ 0x0014, "ECM stream ID value already in use" },
{ 0x0015, "ECM ID value already in use" },
{ 0x7000, "Unknown error" },
{ 0x7001, "Unrecoverable error" },
{ 0, NULL }
};
static value_string_ext ecmg_error_values_ext = VALUE_STRING_EXT_INIT(ecmg_error_values);
/* Simulcrypt EMMG Parameter Types */
#define SIMULCRYPT_EMMG_DVB_RESERVED 0x0000
#define SIMULCRYPT_EMMG_CLIENT_ID 0x0001
#define SIMULCRYPT_EMMG_SECTION_TSPKT_FLAG 0x0002
#define SIMULCRYPT_EMMG_DATA_CHANNEL_ID 0x0003
#define SIMULCRYPT_EMMG_DATA_STREAM_ID 0x0004
#define SIMULCRYPT_EMMG_DATAGRAM 0x0005
#define SIMULCRYPT_EMMG_BANDWIDTH 0x0006
#define SIMULCRYPT_EMMG_DATA_TYPE 0x0007
#define SIMULCRYPT_EMMG_DATA_ID 0x0008
#define SIMULCRYPT_EMMG_ERROR_STATUS 0x7000
#define SIMULCRYPT_EMMG_ERROR_INFORMATION 0x7001
static const value_string emmg_parametertypenames[] = {
{ SIMULCRYPT_EMMG_DVB_RESERVED, "DVB_RESERVED" },
{ SIMULCRYPT_EMMG_CLIENT_ID, "CLIENT_ID" },
{ SIMULCRYPT_EMMG_SECTION_TSPKT_FLAG, "SECTION_TSPKT_FLAG" },
{ SIMULCRYPT_EMMG_DATA_CHANNEL_ID, "DATA_CHANNEL_ID" },
{ SIMULCRYPT_EMMG_DATA_STREAM_ID, "DATA_STREAM_ID" },
{ SIMULCRYPT_EMMG_DATAGRAM, "DATAGRAM" },
{ SIMULCRYPT_EMMG_BANDWIDTH, "BANDWIDTH" },
{ SIMULCRYPT_EMMG_DATA_TYPE, "DATA_TYPE" },
{ SIMULCRYPT_EMMG_DATA_ID, "DATA_ID" },
{ SIMULCRYPT_EMMG_ERROR_STATUS, "ERROR_STATUS" },
{ SIMULCRYPT_EMMG_ERROR_INFORMATION, "ERROR_INFORMATION" },
{ 0, NULL }
};
static value_string_ext emmg_parametertypenames_ext = VALUE_STRING_EXT_INIT(emmg_parametertypenames);
/* Simulcrypt EMMG protocol error values */
static const value_string emmg_error_values[] = {
{ 0x0000, "DVB Reserved" },
{ 0x0001, "Invalid message" },
{ 0x0002, "Unsupported protocol version" },
{ 0x0003, "Unknown message type value" },
{ 0x0004, "Message too long" },
{ 0x0005, "Unknown data stream ID value" },
{ 0x0006, "Unknown data channel ID value" },
{ 0x0007, "Too many channels on this MUX" },
{ 0x0008, "Too many data streams on this channel" },
{ 0x0009, "Too many data streams on this MUX" },
{ 0x000A, "Unknown parameter type" },
{ 0x000B, "Inconsistent length for DVB parameter" },
{ 0x000C, "Missing mandatory DVB parameter" },
{ 0x000D, "Invalid value for DVB parameter" },
{ 0x000E, "Unknown client ID value" },
{ 0x000F, "Exceeded bandwidth" },
{ 0x0010, "Unknown data ID value" },
{ 0x0011, "Data channel ID value already in use" },
{ 0x0012, "Data stream ID value already in use" },
{ 0x0013, "Data ID value already in use" },
{ 0x0014, "Client ID value already in use" },
{ 0x7000, "Unknown error" },
{ 0x7001, "Unrecoverable error" },
{ 0, NULL }
};
static value_string_ext emmg_error_values_ext = VALUE_STRING_EXT_INIT(emmg_error_values);
/* Simulcrypt EIS Parameter Types */
#define SIMULCRYPT_EIS_DVB_RESERVED 0x0000
#define SIMULCRYPT_EIS_CHANNEL_ID 0x0001
#define SIMULCRYPT_EIS_SERVICE_FLAG 0x0002
#define SIMULCRYPT_EIS_COMPONENT_FLAG 0x0003
#define SIMULCRYPT_EIS_MAX_SCG 0x0004
#define SIMULCRYPT_EIS_ECM_GROUP 0x0005
#define SIMULCRYPT_EIS_SCG_ID 0x0006
#define SIMULCRYPT_EIS_SCG_REFERENCE_ID 0x0007
#define SIMULCRYPT_EIS_SUPER_CAS_ID 0x0008
#define SIMULCRYPT_EIS_ECM_ID 0x0009
#define SIMULCRYPT_EIS_ACCESS_CRITERIA 0x000A
#define SIMULCRYPT_EIS_ACTIVATION_TIME 0x000B
#define SIMULCRYPT_EIS_ACTIVATION_PENDING_FLAG 0x000C
#define SIMULCRYPT_EIS_COMPONENT_ID 0x000D
#define SIMULCRYPT_EIS_SERVICE_ID 0x000E
#define SIMULCRYPT_EIS_TRANSPORT_STREAM_ID 0x000F
#define SIMULCRYPT_EIS_AC_CHANGED_FLAG 0x0010
#define SIMULCRYPT_EIS_SCG_CURRENT_REFERENCE_ID 0x0011
#define SIMULCRYPT_EIS_SCG_PENDING_REFERENCE_ID 0x0012
#define SIMULCRYPT_EIS_CP_DURATION_FLAG 0x0013
#define SIMULCRYPT_EIS_RECOMMENDED_CP_DURATION 0x0014
#define SIMULCRYPT_EIS_SCG_NOMINAL_CP_DURATION 0x0015
#define SIMULCRYPT_EIS_ORIGINAL_NETWORK_ID 0x0016
#define SIMULCRYPT_EIS_ERROR_STATUS 0x7000
#define SIMULCRYPT_EIS_ERROR_INFORMATION 0x7001
#define SIMULCRYPT_EIS_ERROR_DESCRIPTION 0x7002
static const value_string eis_parametertypenames[] = {
{ SIMULCRYPT_EIS_DVB_RESERVED, "DVB_RESERVED" },
{ SIMULCRYPT_EIS_CHANNEL_ID, "EIS_CHANNEL_ID" },
{ SIMULCRYPT_EIS_SERVICE_FLAG, "SERVICE_FLAG" },
{ SIMULCRYPT_EIS_COMPONENT_FLAG, "COMPONENT_FLAG" },
{ SIMULCRYPT_EIS_MAX_SCG, "MAX_SCG" },
{ SIMULCRYPT_EIS_ECM_GROUP, "ECM_GROUP" },
{ SIMULCRYPT_EIS_SCG_ID, "SCG_ID" },
{ SIMULCRYPT_EIS_SCG_REFERENCE_ID, "SCG_REFERENCE_ID" },
{ SIMULCRYPT_EIS_SUPER_CAS_ID, "SUPER_CAS_ID" },
{ SIMULCRYPT_EIS_ECM_ID, "ECM_ID" },
{ SIMULCRYPT_EIS_ACCESS_CRITERIA, "ACCESS_CRITERIA" },
{ SIMULCRYPT_EIS_ACTIVATION_TIME, "ACTIVATION_TIME" },
{ SIMULCRYPT_EIS_ACTIVATION_PENDING_FLAG, "ACTIVATION_PENDING_FLAG" },
{ SIMULCRYPT_EIS_COMPONENT_ID, "COMPONENT_ID" },
{ SIMULCRYPT_EIS_SERVICE_ID, "SERVICE_ID" },
{ SIMULCRYPT_EIS_TRANSPORT_STREAM_ID, "TRANSPORT_STREAM_ID" },
{ SIMULCRYPT_EIS_AC_CHANGED_FLAG, "AC_CHANGED_FLAG" },
{ SIMULCRYPT_EIS_SCG_CURRENT_REFERENCE_ID, "SCG_CURRENT_REFERENCE_ID" },
{ SIMULCRYPT_EIS_SCG_PENDING_REFERENCE_ID, "SCG_PENDING_REFERENCE_ID" },
{ SIMULCRYPT_EIS_CP_DURATION_FLAG, "CP_DURATION_FLAG" },
{ SIMULCRYPT_EIS_RECOMMENDED_CP_DURATION, "RECOMMENDED_CP_DURATION" },
{ SIMULCRYPT_EIS_SCG_NOMINAL_CP_DURATION, "SCG_NOMINAL_CP_DURATION" },
{ SIMULCRYPT_EIS_ORIGINAL_NETWORK_ID, "ORIGINAL_NETWORK_ID" },
{ SIMULCRYPT_EIS_ERROR_STATUS, "ERROR_STATUS" },
{ SIMULCRYPT_EIS_ERROR_INFORMATION, "ERROR_INFORMATION" },
{ SIMULCRYPT_EIS_ERROR_DESCRIPTION, "ERROR_DESCRIPTION" },
{ 0, NULL }
};
static value_string_ext eis_parametertypenames_ext = VALUE_STRING_EXT_INIT(eis_parametertypenames);
/* Simulcrypt EIS protocol error values */
static const value_string eis_error_values[] = {
{ 0x0000, "DVB Reserved" },
{ 0x0001, "Invalid message" },
{ 0x0002, "Unsupported protocol version" },
{ 0x0003, "Unknown message_type value" },
{ 0x0004, "Message too long" },
{ 0x0005, "Inconsistent length for parameter" },
{ 0x0006, "Missing mandatory parameter" },
{ 0x0007, "Invalid value for parameter" },
{ 0x0008, "Unknown EIS_channel_ID value" },
{ 0x0009, "Unknown SCG_ID value" },
{ 0x000A, "Max SCGs already defined" },
{ 0x000B, "Service level SCG definitions not supportend" },
{ 0x000C, "Elementary Stream level SCG definitions not supported" },
{ 0x000D, "Activation_time possibly too soon for SCS to be accurate" },
{ 0x000E, "SCG definition cannot span transport boundaries" },
{ 0x000F, "A resource does not exist on this SCG" },
{ 0x0010, "A resource is already defined in an existing SCG" },
{ 0x0011, "SCG may not contain one or more content entries and no ECM_Group entries" },
{ 0x0012, "SCG may not contain one or more ECM_Group entries and no content entries" },
{ 0x0013, "EIS_channel_ID value already in use" },
{ 0x0014, "Unknown Super_CAS_Id" },
{ 0x7000, "Unknown error" },
{ 0x7001, "Unrecoverable error" },
{ 0, NULL }
};
static value_string_ext eis_error_values_ext = VALUE_STRING_EXT_INIT(eis_error_values);
/* Simulcrypt PSIG Parameter Types */
#define SIMULCRYPT_PSIG_DVB_RESERVED 0x0000
#define SIMULCRYPT_PSIG_PSIG_TYPE 0x0001
#define SIMULCRYPT_PSIG_CHANNEL_ID 0x0002
#define SIMULCRYPT_PSIG_STREAM_ID 0x0003
#define SIMULCRYPT_PSIG_TRANSPORT_STREAM_ID 0x0004
#define SIMULCRYPT_PSIG_ORIGINAL_NETWORK_ID 0x0005
#define SIMULCRYPT_PSIG_PACKET_ID 0x0006
#define SIMULCRYPT_PSIG_INTERFACE_MODE_CONFIGURATION 0x0007
#define SIMULCRYPT_PSIG_MAX_STREAM 0x0008
#define SIMULCRYPT_PSIG_TABLE_PERIOD_PAIR 0x0009
#define SIMULCRYPT_PSIG_MPEG_SECTION 0x000A
#define SIMULCRYPT_PSIG_REPETITION_RATE 0x000B
#define SIMULCRYPT_PSIG_ACTIVATION_TIME 0x000C
#define SIMULCRYPT_PSIG_DATAGRAM 0x000D
#define SIMULCRYPT_PSIG_BANDWIDTH 0x000E
#define SIMULCRYPT_PSIG_INITIAL_BANDWIDTH 0x000F
#define SIMULCRYPT_PSIG_MAX_COMP_TIME 0x0010
#define SIMULCRYPT_PSIG_ASI_INPUT_PACKET_ID 0x0011
#define SIMULCRYPT_PSIG_ERROR_STATUS 0x7000
#define SIMULCRYPT_PSIG_ERROR_INFORMATION 0x7001
static const value_string psig_parametertypenames[] = {
{ SIMULCRYPT_PSIG_DVB_RESERVED, "DVB_RESERVED" },
{ SIMULCRYPT_PSIG_PSIG_TYPE, "PSIG_TYPE" },
{ SIMULCRYPT_PSIG_CHANNEL_ID, "PSIG_CHANNEL_ID" },
{ SIMULCRYPT_PSIG_STREAM_ID, "STREAM_ID" },
{ SIMULCRYPT_PSIG_TRANSPORT_STREAM_ID, "TRANSPORT_STREAM_ID" },
{ SIMULCRYPT_PSIG_ORIGINAL_NETWORK_ID, "ORIGINAL_NETWORK_ID" },
{ SIMULCRYPT_PSIG_PACKET_ID, "PACKET_ID" },
{ SIMULCRYPT_PSIG_INTERFACE_MODE_CONFIGURATION, "INTERFACE_MODE_CONFIGURATION" },
{ SIMULCRYPT_PSIG_MAX_STREAM, "MAX_STREAM" },
{ SIMULCRYPT_PSIG_TABLE_PERIOD_PAIR, "TABLE_PERIOD_PAIR" },
{ SIMULCRYPT_PSIG_MPEG_SECTION, "MPEG_SECTION" },
{ SIMULCRYPT_PSIG_REPETITION_RATE, "REPETITION_RATE" },
{ SIMULCRYPT_PSIG_ACTIVATION_TIME, "ACTIVATION_TIME" },
{ SIMULCRYPT_PSIG_DATAGRAM, "DATAGRAM" },
{ SIMULCRYPT_PSIG_BANDWIDTH, "BANDWIDTH" },
{ SIMULCRYPT_PSIG_INITIAL_BANDWIDTH, "INITIAL_BANDWIDTH" },
{ SIMULCRYPT_PSIG_MAX_COMP_TIME, "MAX_COMP_TIME" },
{ SIMULCRYPT_PSIG_ASI_INPUT_PACKET_ID, "ASI_INPUT_PACKET_ID" },
{ SIMULCRYPT_PSIG_ERROR_STATUS, "ERROR_STATUS" },
{ SIMULCRYPT_PSIG_ERROR_INFORMATION, "ERROR_INFORMATION" },
{ 0, NULL }
};
static value_string_ext psig_parametertypenames_ext = VALUE_STRING_EXT_INIT(psig_parametertypenames);
#if 0
/* Simulcrypt PSIG protocol error values */
static const value_string psig_error_values[] = {
{ 0x0000, "DVB Reserved" },
{ 0x0001, "Invalid message" },
{ 0x0002, "Unsupported protocol version" },
{ 0x0003, "Unknown message_type value" },
{ 0x0004, "Message too long" },
{ 0x0005, "Unknown stream_ID value" },
{ 0x0006, "Unknown channel_ID value" },
{ 0x0007, "Too many channels on this MUX" },
{ 0x0008, "Too many data streams on this channel" },
{ 0x0009, "Too many data streams on this MUX" },
{ 0x000A, "Unknown parameter_type" },
{ 0x000B, "Inconsistent length for parameter" },
{ 0x000C, "Missing mandatory parameter" },
{ 0x000D, "Invalid value for parameter" },
{ 0x000E, "Inconsistent value of transport_stream_ID" },
{ 0x000F, "Inconsistent value of packet_ID" },
{ 0x0010, "channel_ID value already in use" },
{ 0x0011, "stream_ID value already in use" },
{ 0x0012, "Stream already open for this pair (transport_stream_ID, packet_ID)" },
{ 0x0013, "Overflow error when receiving the list of MPEG (CiM error type)" },
{ 0x0014, "Inconsistent format of TOT template (CiM error type)" },
{ 0x0015, "Warning: Difficulties in respecting the requested repetition_rates for the last 5 minutes (CiM error type)" },
{ 0x0016, "Warning: Difficulties in respecting the requested Bandwidth for the last 5 minutes (CiM error type)" },
{ 0x7000, "Unknown error" },
{ 0x7001, "Unrecoverable error" },
{ 0, NULL }
};
static value_string_ext psig_error_values_ext = VALUE_STRING_EXT_INIT(psig_error_values);
#endif
/* The following hf_* variables are used to hold the Wireshark IDs of
* our header fields; they are filled out when we call
* proto_register_field_array() in proto_register_simulcrypt()
*/
static gint hf_simulcrypt_header = -1;
static gint hf_simulcrypt_version = -1;
static gint hf_simulcrypt_message_type = -1;
static gint hf_simulcrypt_interface = -1;
static gint hf_simulcrypt_message_length = -1;
static gint hf_simulcrypt_message = -1;
static gint hf_simulcrypt_parameter = -1;
static gint hf_simulcrypt_parameter_type = -1;
static gint hf_simulcrypt_ecmg_parameter_type = -1;
static gint hf_simulcrypt_emmg_parameter_type = -1;
static gint hf_simulcrypt_parameter_length = -1;
static gint hf_simulcrypt_ca_system_id = -1;
static gint hf_simulcrypt_ca_subsystem_id = -1;
static gint hf_simulcrypt_super_cas_id = -1;
static gint hf_simulcrypt_section_tspkt_flag = -1;
static gint hf_simulcrypt_ecm_channel_id = -1;
static gint hf_simulcrypt_delay_start = -1;
static gint hf_simulcrypt_delay_stop = -1;
static gint hf_simulcrypt_ac_delay_start = -1;
static gint hf_simulcrypt_ac_delay_stop = -1;
static gint hf_simulcrypt_transition_delay_start = -1;
static gint hf_simulcrypt_transition_delay_stop = -1;
static gint hf_simulcrypt_ecm_rep_period = -1;
static gint hf_simulcrypt_max_streams = -1;
static gint hf_simulcrypt_min_cp_duration = -1;
static gint hf_simulcrypt_lead_cw = -1;
static gint hf_simulcrypt_cw_per_msg = -1;
static gint hf_simulcrypt_max_comp_time = -1;
static gint hf_simulcrypt_access_criteria = -1;
static gint hf_simulcrypt_ecm_stream_id = -1;
static gint hf_simulcrypt_nominal_cp_duration = -1;
static gint hf_simulcrypt_access_criteria_transfer_mode = -1;
static gint hf_simulcrypt_cp_number = -1;
static gint hf_simulcrypt_cp_duration = -1;
static gint hf_simulcrypt_cp_cw_combination = -1;
static gint hf_simulcrypt_ecm_datagram = -1;
static gint hf_simulcrypt_cw_encryption = -1;
static gint hf_simulcrypt_ecm_id = -1;
static gint hf_simulcrypt_client_id = -1;
static gint hf_simulcrypt_data_channel_id = -1;
static gint hf_simulcrypt_data_stream_id = -1;
static gint hf_simulcrypt_datagram = -1;
static gint hf_simulcrypt_bandwidth = -1;
static gint hf_simulcrypt_data_type = -1;
static gint hf_simulcrypt_data_id = -1;
static gint hf_simulcrypt_ecmg_error_status = -1;
static gint hf_simulcrypt_emmg_error_status = -1;
static gint hf_simulcrypt_error_information = -1;
static gint hf_simulcrypt_eis_parameter_type = -1;
static gint hf_simulcrypt_eis_channel_id = -1;
static gint hf_simulcrypt_service_flag = -1;
static gint hf_simulcrypt_component_flag = -1;
static gint hf_simulcrypt_max_scg = -1;
static gint hf_simulcrypt_ecm_group = -1;
static gint hf_simulcrypt_scg_id = -1;
static gint hf_simulcrypt_scg_reference_id = -1;
static gint hf_simulcrypt_activation_time = -1;
static gint hf_simulcrypt_year = -1;
static gint hf_simulcrypt_month = -1;
static gint hf_simulcrypt_day = -1;
static gint hf_simulcrypt_hour = -1;
static gint hf_simulcrypt_minute = -1;
static gint hf_simulcrypt_second = -1;
static gint hf_simulcrypt_hundredth_second = -1;
static gint hf_simulcrypt_activation_pending_flag = -1;
static gint hf_simulcrypt_component_id = -1;
static gint hf_simulcrypt_service_id = -1;
static gint hf_simulcrypt_transport_stream_id = -1;
static gint hf_simulcrypt_ac_changed_flag = -1;
static gint hf_simulcrypt_scg_current_reference_id = -1;
static gint hf_simulcrypt_scg_pending_reference_id = -1;
static gint hf_simulcrypt_cp_duration_flag = -1;
static gint hf_simulcrypt_recommended_cp_duration = -1;
static gint hf_simulcrypt_scg_nominal_cp_duration = -1;
static gint hf_simulcrypt_original_network_id = -1;
static gint hf_simulcrypt_eis_error_status = -1;
static gint hf_simulcrypt_error_description = -1;
static gint hf_simulcrypt_psig_parameter_type = -1;
static gint hf_simulcrypt_psig_type = -1;
static gint hf_simulcrypt_channel_id = -1;
static gint hf_simulcrypt_stream_id = -1;
static gint hf_simulcrypt_packet_id = -1;
static gint hf_simulcrypt_interface_mode_configuration = -1;
static gint hf_simulcrypt_max_stream = -1;
static gint hf_simulcrypt_table_period_pair = -1;
static gint hf_simulcrypt_mpeg_section = -1;
static gint hf_simulcrypt_repetition_rate = -1;
static gint hf_simulcrypt_initial_bandwidth = -1;
static gint hf_simulcrypt_asi_input_packet_id = -1;
static gint hf_simulcrypt_psig_error_status = -1;
static gint hf_simulcrypt_parameter_value = -1;
/* These are the ids of the subtrees that we may be creating */
static gint ett_simulcrypt = -1;
static gint ett_simulcrypt_header = -1;
static gint ett_simulcrypt_message = -1;
static gint ett_simulcrypt_parameter = -1;
static gint ett_simulcrypt_super_cas_id = -1;
static gint ett_simulcrypt_ecm_datagram = -1;
static gint ett_simulcrypt_ecm_group = -1;
static gint ett_simulcrypt_activation_time = -1;
static gint ett_simulcrypt_table_period_pair = -1;
#define FRAME_HEADER_LEN 8
/* The main dissecting routine */
static int
dissect_simulcrypt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
tcp_dissect_pdus(tvb, pinfo, tree, TRUE, FRAME_HEADER_LEN,
get_simulcrypt_message_len, dissect_simulcrypt_message, data);
return tvb_captured_length(tvb);
}
/* Informative tree structure is shown here:
* TREE -
* - HEADER
* version
* message type
* message length
* - MESSAGE
* - TYPE of parameter
* length of parameter
value of parameter
- PARAMETER (optional branch for certain parameters only)
* parameter value sub items here
* End informative tree structure
*/
static guint16
get_interface (guint16 type)
{
int interface;
if (type >= 0x8000) {
return SIMULCRYPT_USER_DEFINED;
}
/* Hex values fetched from Table 3: Message-type values for command/response-based protocols */
switch (type & 0xFFF0) {
case 0x0000:
case 0x0100:
case 0x0200:
interface = SIMULCRYPT_ECMG_SCS;
break;
case 0x0010:
case 0x0110:
case 0x0210:
interface = SIMULCRYPT_EMMG_MUX;
break;
case 0x0310:
case 0x0320:
interface = SIMULCRYPT_CPSIG_PSIG;
break;
case 0x0400:
interface = SIMULCRYPT_EIS_SCS;
break;
case 0x0410:
case 0x0420:
interface = SIMULCRYPT_PSIG_MUX;
break;
case 0x0430:
interface = SIMULCRYPT_MUX_CIM;
break;
case 0x0440:
interface = SIMULCRYPT_PSIG_CIP;
break;
default:
interface = SIMULCRYPT_RESERVED;
break;
}
return interface;
}
static void
dissect_ecmg_parameter_value (proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, guint32 offset,
guint16 plen, guint16 ptype, gchar *pvalue_char)
{
proto_item *simulcrypt_item;
proto_tree *simulcrypt_super_cas_id_tree;
proto_tree *simulcrypt_ecm_datagram_tree;
tvbuff_t *next_tvb;
guint32 pvaluedec; /* parameter decimal value */
int ca_system_id;
guint i;
switch (ptype) {
case SIMULCRYPT_ECMG_SUPER_CAS_ID:
/* add super_cas_id item */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_super_cas_id, tvb, offset, plen, ENC_BIG_ENDIAN); /* value item */
simulcrypt_super_cas_id_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_super_cas_id);
/* Simulcrypt_super_cas_id_tree */
simulcrypt_item = proto_tree_add_item(simulcrypt_super_cas_id_tree, hf_simulcrypt_ca_system_id, tvb, offset, 2, ENC_BIG_ENDIAN );
/* Test for known CA_System_ID */
ca_system_id = tvb_get_ntohs(tvb,offset);
for(i=0;i<ECM_INTERPRETATION_SIZE;i++)
{
if(tab_ecm_inter[i].ca_system_id==ca_system_id)
{
tab_ecm_inter[i].ecmg_port=pinfo->destport;
proto_item_append_text(simulcrypt_item, ", Port %d, Protocol %s",tab_ecm_inter[i].ecmg_port, tab_ecm_inter[i].protocol_name);
break;
}
}
proto_tree_add_item(simulcrypt_super_cas_id_tree, hf_simulcrypt_ca_subsystem_id, tvb, offset+2, 2, ENC_BIG_ENDIAN );
break;
case SIMULCRYPT_ECMG_SECTION_TSPKT_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_section_tspkt_flag, tvb, offset, plen, ENC_BIG_ENDIAN); /* value item */
break;
case SIMULCRYPT_ECMG_ECM_CHANNEL_ID:
proto_tree_add_item(tree, hf_simulcrypt_ecm_channel_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_DELAY_START:
proto_tree_add_item(tree, hf_simulcrypt_delay_start, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_DELAY_STOP:
proto_tree_add_item(tree, hf_simulcrypt_delay_stop, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_TRANSITION_DELAY_START:
proto_tree_add_item(tree, hf_simulcrypt_transition_delay_start, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_TRANSITION_DELAY_STOP:
proto_tree_add_item(tree, hf_simulcrypt_transition_delay_stop, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_AC_DELAY_START:
proto_tree_add_item(tree, hf_simulcrypt_ac_delay_start, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_AC_DELAY_STOP:
proto_tree_add_item(tree, hf_simulcrypt_ac_delay_stop, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_ECM_REP_PERIOD:
proto_tree_add_item(tree, hf_simulcrypt_ecm_rep_period, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_MAX_STREAMS:
proto_tree_add_item(tree, hf_simulcrypt_max_streams, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_MIN_CP_DURATION:
/* convert value to ms (in units 100 ms) */
pvaluedec = tvb_get_ntohs(tvb, offset); /* read 2 byte min CP duration value */
pvaluedec = pvaluedec*100; /* in ms now */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_min_cp_duration, tvb, offset, plen, ENC_BIG_ENDIAN);
proto_item_append_text(simulcrypt_item, " (%d ms)",pvaluedec);
break;
case SIMULCRYPT_ECMG_LEAD_CW:
proto_tree_add_item(tree, hf_simulcrypt_lead_cw, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_CW_PER_MESSAGE:
proto_tree_add_item(tree, hf_simulcrypt_cw_per_msg, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_MAX_COMP_TIME:
proto_tree_add_item(tree, hf_simulcrypt_max_comp_time, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_ACCESS_CRITERIA:
proto_tree_add_item(tree, hf_simulcrypt_access_criteria, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_ECMG_ECM_STREAM_ID:
proto_tree_add_item(tree, hf_simulcrypt_ecm_stream_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_NOMINAL_CP_DURATION:
/* convert value to ms (in units 100 ms) */
pvaluedec = tvb_get_ntohs(tvb, offset); /* read 2 byte nominal CP duration value */
pvaluedec = pvaluedec*100; /* in ms now */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_nominal_cp_duration, tvb, offset, plen, ENC_BIG_ENDIAN);
proto_item_append_text(simulcrypt_item, " (%d ms)", pvaluedec);
break;
case SIMULCRYPT_ECMG_ACCESS_CRITERIA_TRANSFER_MODE:
proto_tree_add_item(tree, hf_simulcrypt_access_criteria_transfer_mode, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_CP_NUMBER:
proto_tree_add_item(tree, hf_simulcrypt_cp_number, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_CP_DURATION:
/* convert value to ms (in units 100 ms) */
pvaluedec = tvb_get_ntohs(tvb, offset); /* read 2 byte CP duration value */
pvaluedec = pvaluedec*100; /* in ms now */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_cp_duration, tvb, offset, plen, ENC_BIG_ENDIAN);
proto_item_append_text(simulcrypt_item, " (%d ms)", pvaluedec);
break;
case SIMULCRYPT_ECMG_CP_CW_COMBINATION:
proto_tree_add_item(tree, hf_simulcrypt_cp_cw_combination, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_ECMG_ECM_DATAGRAM:
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_ecm_datagram, tvb, offset, plen, ENC_NA);
/* Test srcport against table of ECMG ports & CA_System_ID for known protocol types */
for(i=0;i<ECM_INTERPRETATION_SIZE;i++)
{
if(tab_ecm_inter[i].ecmg_port==pinfo->srcport) /* ECMG source port */
{ /* recognise port & ca_system_id and hence protocol name for ECM datagram */
next_tvb = tvb_new_subset_remaining(tvb, offset);
simulcrypt_ecm_datagram_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_ecm_datagram);
if(tab_ecm_inter[i].protocol_handle != NULL)
{
call_dissector(tab_ecm_inter[i].protocol_handle, next_tvb,pinfo, simulcrypt_ecm_datagram_tree);
}
break;
}
}
break;
case SIMULCRYPT_ECMG_CW_ENCRYPTION:
proto_tree_add_item(tree, hf_simulcrypt_cw_encryption, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_ECMG_ECM_ID:
proto_tree_add_item(tree, hf_simulcrypt_ecm_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_ERROR_STATUS:
proto_tree_add_item(tree, hf_simulcrypt_ecmg_error_status, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_ECMG_ERROR_INFORMATION:
proto_tree_add_item(tree, hf_simulcrypt_error_information, tvb, offset, plen, ENC_NA);
break;
default: /* Unknown parameter type */
proto_tree_add_string(tree, hf_simulcrypt_parameter_value, tvb, offset, plen, pvalue_char);
break;
} /* end parameter type switch */
}
static void
dissect_emmg_parameter_value (proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, guint32 offset,
guint16 plen, guint16 ptype, gchar *pvalue_char)
{
switch (ptype) {
case SIMULCRYPT_EMMG_CLIENT_ID:
proto_tree_add_item(tree, hf_simulcrypt_client_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_SECTION_TSPKT_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_section_tspkt_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_DATA_CHANNEL_ID:
proto_tree_add_item(tree, hf_simulcrypt_data_channel_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_DATA_STREAM_ID:
proto_tree_add_item(tree, hf_simulcrypt_data_stream_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_DATAGRAM:
proto_tree_add_item(tree, hf_simulcrypt_datagram, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_EMMG_BANDWIDTH:
proto_tree_add_item(tree, hf_simulcrypt_bandwidth, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_DATA_TYPE:
proto_tree_add_item(tree, hf_simulcrypt_data_type, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_DATA_ID:
proto_tree_add_item(tree, hf_simulcrypt_data_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_ERROR_STATUS:
proto_tree_add_item(tree, hf_simulcrypt_emmg_error_status, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_ERROR_INFORMATION:
proto_tree_add_item(tree, hf_simulcrypt_error_information, tvb, offset, plen, ENC_NA);
break;
default: /* Unknown parameter type */
proto_tree_add_string(tree, hf_simulcrypt_parameter_value, tvb, offset, plen, pvalue_char);
break;
} /* end parameter type switch */
}
static void
dissect_eis_parameter_value (proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, guint32 offset,
guint16 plen, guint16 ptype, gchar *pvalue_char)
{
proto_item *simulcrypt_item;
proto_tree *simulcrypt_super_cas_id_tree;
proto_tree *simulcrypt_ecm_group_tree;
proto_tree *simulcrypt_activation_time_tree;
guint32 pvaluedec; /* parameter decimal value */
int ca_system_id;
guint i;
switch (ptype) {
case SIMULCRYPT_EIS_CHANNEL_ID:
proto_tree_add_item(tree, hf_simulcrypt_eis_channel_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SERVICE_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_service_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_COMPONENT_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_component_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_MAX_SCG:
proto_tree_add_item(tree, hf_simulcrypt_max_scg, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_ECM_GROUP:
/* add ECM_Group item */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_ecm_group, tvb, offset, plen, ENC_NA); /* value item */
/* create subtree */
simulcrypt_ecm_group_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_ecm_group);
/* dissect subtree */
dissect_simulcrypt_data(simulcrypt_ecm_group_tree, simulcrypt_item, pinfo, tvb, tree, offset, plen, SIMULCRYPT_EIS_SCS, TRUE);
break;
case SIMULCRYPT_EIS_SCG_ID:
proto_tree_add_item(tree, hf_simulcrypt_scg_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SCG_REFERENCE_ID:
proto_tree_add_item(tree, hf_simulcrypt_scg_reference_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SUPER_CAS_ID:
/* add super_cas_id item */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_super_cas_id, tvb, offset, plen, ENC_BIG_ENDIAN); /* value item */
simulcrypt_super_cas_id_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_super_cas_id);
/* Simulcrypt_super_cas_id_tree */
simulcrypt_item = proto_tree_add_item(simulcrypt_super_cas_id_tree, hf_simulcrypt_ca_system_id, tvb, offset, 2, ENC_BIG_ENDIAN );
/* Test for known CA_System_ID */
ca_system_id = tvb_get_ntohs(tvb,offset);
for(i=0;i<ECM_INTERPRETATION_SIZE;i++)
{
if(tab_ecm_inter[i].ca_system_id==ca_system_id)
{
tab_ecm_inter[i].ecmg_port=pinfo->destport;
proto_item_append_text(simulcrypt_item, ", Port %d, Protocol %s",tab_ecm_inter[i].ecmg_port, tab_ecm_inter[i].protocol_name);
break;
}
}
proto_tree_add_item(simulcrypt_super_cas_id_tree, hf_simulcrypt_ca_subsystem_id, tvb, offset+2, 2, ENC_BIG_ENDIAN );
break;
case SIMULCRYPT_EIS_ECM_ID:
proto_tree_add_item(tree, hf_simulcrypt_ecm_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_ACCESS_CRITERIA:
proto_tree_add_item(tree, hf_simulcrypt_access_criteria, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_EIS_ACTIVATION_TIME:
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_activation_time, tvb, offset, plen, ENC_NA); /* value item */
/* create subtree */
simulcrypt_activation_time_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_activation_time);
/* dissect subtree */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_year, tvb, offset, 2, ENC_BIG_ENDIAN); /* first 2 bytes */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_month, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* third byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_day, tvb, offset+3, 1, ENC_BIG_ENDIAN); /*fourth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_hour, tvb, offset+4, 1, ENC_BIG_ENDIAN); /*fifth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_minute, tvb, offset+5, 1, ENC_BIG_ENDIAN); /* sixth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_second, tvb, offset+6, 1, ENC_BIG_ENDIAN); /* seventh byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_hundredth_second, tvb, offset+7, 1, ENC_BIG_ENDIAN); /* eighth byte */
break;
case SIMULCRYPT_EIS_ACTIVATION_PENDING_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_activation_pending_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_COMPONENT_ID:
proto_tree_add_item(tree, hf_simulcrypt_component_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SERVICE_ID:
proto_tree_add_item(tree, hf_simulcrypt_service_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_TRANSPORT_STREAM_ID:
proto_tree_add_item(tree, hf_simulcrypt_transport_stream_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_AC_CHANGED_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_ac_changed_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SCG_CURRENT_REFERENCE_ID:
proto_tree_add_item(tree, hf_simulcrypt_scg_current_reference_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SCG_PENDING_REFERENCE_ID:
proto_tree_add_item(tree, hf_simulcrypt_scg_pending_reference_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_CP_DURATION_FLAG:
proto_tree_add_item(tree, hf_simulcrypt_cp_duration_flag, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_RECOMMENDED_CP_DURATION:
/* convert value to ms (in units 100 ms) */
pvaluedec = tvb_get_ntohs(tvb, offset); /* read 2 byte CP duration value */
pvaluedec = pvaluedec*100; /* in ms now */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_recommended_cp_duration, tvb, offset, plen, ENC_BIG_ENDIAN);
proto_item_append_text(simulcrypt_item, " (%d ms)", pvaluedec);
break;
case SIMULCRYPT_EIS_SCG_NOMINAL_CP_DURATION:
/* convert value to ms (in units 100 ms) */
pvaluedec = tvb_get_ntohs(tvb, offset); /* read 2 byte CP duration value */
pvaluedec = pvaluedec*100; /* in ms now */
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_scg_nominal_cp_duration, tvb, offset, plen, ENC_BIG_ENDIAN);
proto_item_append_text(simulcrypt_item, " (%d ms)", pvaluedec);
break;
case SIMULCRYPT_EIS_ORIGINAL_NETWORK_ID:
proto_tree_add_item(tree, hf_simulcrypt_original_network_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_ERROR_STATUS:
proto_tree_add_item(tree, hf_simulcrypt_eis_error_status, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_ERROR_INFORMATION:
proto_tree_add_item(tree, hf_simulcrypt_error_information, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_EIS_ERROR_DESCRIPTION:
proto_tree_add_item(tree, hf_simulcrypt_error_description, tvb, offset, plen, ENC_ASCII);
break;
default: /* Unknown parameter type */
proto_tree_add_string(tree, hf_simulcrypt_parameter_value, tvb, offset, plen, pvalue_char);
break;
} /* end parameter type switch */
}
static void
dissect_psig_parameter_value (proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, guint32 offset,
guint16 plen, guint16 ptype, gchar *pvalue_char)
{
proto_tree *simulcrypt_psig_table_period_pair_tree;
proto_tree *simulcrypt_activation_time_tree;
proto_item *simulcrypt_item;
guint32 pvaluedec; /* parameter decimal value */
switch (ptype) {
case SIMULCRYPT_PSIG_PSIG_TYPE:
pvaluedec = tvb_get_guint8(tvb, offset);
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_psig_type, tvb, offset, plen, ENC_BIG_ENDIAN);
switch(pvaluedec){
case 1:
proto_item_append_text(simulcrypt_item, " (PSIG)");
break;
case 2:
proto_item_append_text(simulcrypt_item, " (SIG)");
break;
case 3:
proto_item_append_text(simulcrypt_item, " (PSISIG)");
break;
default:
break;
}
break;
case SIMULCRYPT_PSIG_CHANNEL_ID:
proto_tree_add_item(tree, hf_simulcrypt_channel_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_STREAM_ID:
proto_tree_add_item(tree, hf_simulcrypt_stream_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_TRANSPORT_STREAM_ID:
proto_tree_add_item(tree, hf_simulcrypt_transport_stream_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_ORIGINAL_NETWORK_ID:
proto_tree_add_item(tree, hf_simulcrypt_original_network_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_PACKET_ID:
proto_tree_add_item(tree, hf_simulcrypt_packet_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_INTERFACE_MODE_CONFIGURATION:
proto_tree_add_item(tree, hf_simulcrypt_interface_mode_configuration, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_MAX_STREAM:
proto_tree_add_item(tree, hf_simulcrypt_max_stream, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_TABLE_PERIOD_PAIR:
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_table_period_pair, tvb, offset, plen, ENC_NA); /* value item */
/* create subtree */
simulcrypt_psig_table_period_pair_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_table_period_pair);
/* dissect subtree */
dissect_simulcrypt_data(simulcrypt_psig_table_period_pair_tree, simulcrypt_item, pinfo, tvb, tree, offset, plen, SIMULCRYPT_MUX_CIM, TRUE);
break;
case SIMULCRYPT_PSIG_MPEG_SECTION:
proto_tree_add_item(tree, hf_simulcrypt_mpeg_section, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_PSIG_REPETITION_RATE:
proto_tree_add_item(tree, hf_simulcrypt_repetition_rate, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_ACTIVATION_TIME:
simulcrypt_item = proto_tree_add_item(tree, hf_simulcrypt_activation_time, tvb, offset, plen, ENC_NA); /* value item */
/* create subtree */
simulcrypt_activation_time_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_activation_time);
/* dissect subtree */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_year, tvb, offset, 2, ENC_BIG_ENDIAN); /* first 2 bytes */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_month, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* third byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_day, tvb, offset+3, 1, ENC_BIG_ENDIAN); /*fourth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_hour, tvb, offset+4, 1, ENC_BIG_ENDIAN); /*fifth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_minute, tvb, offset+5, 1, ENC_BIG_ENDIAN); /* sixth byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_second, tvb, offset+6, 1, ENC_BIG_ENDIAN); /* seventh byte */
proto_tree_add_item(simulcrypt_activation_time_tree, hf_simulcrypt_hundredth_second, tvb, offset+7, 1, ENC_BIG_ENDIAN); /* eighth byte */
break;
case SIMULCRYPT_PSIG_DATAGRAM:
proto_tree_add_item(tree, hf_simulcrypt_datagram, tvb, offset, plen, ENC_NA);
break;
case SIMULCRYPT_PSIG_BANDWIDTH:
proto_tree_add_item(tree, hf_simulcrypt_bandwidth, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_INITIAL_BANDWIDTH:
proto_tree_add_item(tree, hf_simulcrypt_initial_bandwidth, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_MAX_COMP_TIME:
proto_tree_add_item(tree, hf_simulcrypt_max_comp_time, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_ASI_INPUT_PACKET_ID:
proto_tree_add_item(tree, hf_simulcrypt_asi_input_packet_id, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_ERROR_STATUS:
proto_tree_add_item(tree, hf_simulcrypt_psig_error_status, tvb, offset, plen, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_ERROR_INFORMATION:
proto_tree_add_item(tree, hf_simulcrypt_error_information, tvb, offset, plen, ENC_NA);
break;
default: /* Unknown parameter type */
proto_tree_add_string(tree, hf_simulcrypt_parameter_value, tvb, offset, plen, pvalue_char);
break;
} /* end parameter type switch */
}
/* This method dissects fully reassembled messages */
static int
dissect_simulcrypt_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *simulcrypt_item;
proto_tree *simulcrypt_tree;
proto_tree *simulcrypt_header_tree;
proto_tree *simulcrypt_message_tree;
guint16 type, iftype;
col_set_str(pinfo->cinfo, COL_PROTOCOL, PROTO_TAG_SIMULCRYPT);
col_clear(pinfo->cinfo,COL_INFO);
/* get 2 byte type value */
type = tvb_get_ntohs(tvb, 1); /* 2 bytes starting at offset 1 are the message type */
iftype = get_interface (type);
col_add_fstr(pinfo->cinfo, COL_INFO, "%d > %d Info Type:[%s]",
pinfo->srcport, pinfo->destport,
val_to_str_ext(type, &messagetypenames_ext, "Unknown Type:0x%02x"));
if (tree)
{
/* we are being asked for details */
guint32 offset = 0;
guint32 msg_length;
simulcrypt_item = proto_tree_add_item(tree, proto_simulcrypt, tvb, 0, -1, ENC_NA);
simulcrypt_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt);
proto_item_append_text(simulcrypt_item, ", Interface: %s", val_to_str(iftype, interfacenames, "Unknown (0x%02x)"));
/* Simulcrypt_tree analysis */
/* we are being asked for details */
/* ADD HEADER BRANCH */
simulcrypt_item = proto_tree_add_item(simulcrypt_tree, hf_simulcrypt_header, tvb, offset, 5, ENC_NA );
simulcrypt_header_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_header);
proto_item_append_text(simulcrypt_header_tree, ", Length: %s", "5 bytes"); /* add text to Header tree indicating Length 5 bytes */
/* Simulcrypt_header_tree analysis */
/* Message Version 1 Byte */
proto_tree_add_item(simulcrypt_header_tree, hf_simulcrypt_version, tvb, offset, 1, ENC_BIG_ENDIAN);
offset+=1;
/* Message Type 2 Bytes */
proto_tree_add_item(simulcrypt_header_tree, hf_simulcrypt_message_type, tvb, offset, 2, ENC_BIG_ENDIAN);
simulcrypt_item = proto_tree_add_uint_format_value(simulcrypt_header_tree, hf_simulcrypt_interface, tvb, offset, 2, iftype,
"%s", val_to_str_const(iftype, interfacenames, "Unknown"));
proto_item_set_generated (simulcrypt_item);
offset+=2;
/* Message Length 2 Bytes */
proto_tree_add_item(simulcrypt_header_tree, hf_simulcrypt_message_length, tvb, offset, 2, ENC_BIG_ENDIAN);
msg_length = tvb_get_ntohs(tvb, offset); /* read 2 byte message length value */
offset+=2;
/* ADD MESSAGE BRANCH */
simulcrypt_item = proto_tree_add_item(simulcrypt_tree, hf_simulcrypt_message, tvb, offset, -1, ENC_NA );
simulcrypt_message_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_message);
proto_item_append_text(simulcrypt_message_tree, " containing TLV parameters"); /* add text to Message tree */
proto_item_append_text(simulcrypt_message_tree, ", Length: %d (bytes)", msg_length); /* add length info to message_tree */
/* end header details */
/* Simulcrypt_message_tree analysis */
/* we are being asked for details */
/* Navigate through message after header to find one or more parameters */
dissect_simulcrypt_data(simulcrypt_message_tree, simulcrypt_item, pinfo, tvb, tree, offset, (msg_length+5), iftype, FALSE); /* offset is from beginning of the 5 byte header */
} /* end tree */
return tvb_captured_length(tvb);
}
/* this method is used to dissect TLV parameters */
/* can be used both from the main tree (simulcrypt_message_tree) and the subtrees (created from TLV items) */
static void
dissect_simulcrypt_data(proto_tree *simulcrypt_tree, proto_item *simulcrypt_item, packet_info *pinfo _U_,
tvbuff_t *tvb, proto_tree *tree, int offset,
int container_data_length, guint16 iftype, gboolean is_subtree)
{
int subtree_offset = 0;
proto_tree *simulcrypt_parameter_tree;
int applied_offset;
if(is_subtree)
{
applied_offset = subtree_offset;
}
else
{
applied_offset = offset;
}
while (applied_offset < container_data_length)
{
guint16 plen; /* parameter length */
guint16 ptype; /* parameter type */
gchar *pvalue_char; /* parameter value string */
/* Parameter Type 2 Bytes */
ptype = tvb_get_ntohs(tvb, offset); /* read 2 byte type value */
/* Parameter Length 2 Bytes */
plen = tvb_get_ntohs(tvb, offset+2); /* read 2 byte length value */
/* Parameter Value plen Bytes */
pvalue_char = tvb_bytes_to_str(pinfo->pool, tvb, offset+4, plen);
simulcrypt_item = proto_tree_add_item(simulcrypt_tree, hf_simulcrypt_parameter, tvb, offset, plen+2+2, ENC_NA );
/* add length and value info to type */
switch (iftype) {
case SIMULCRYPT_ECMG_SCS:
proto_item_append_text(simulcrypt_item, ": Type=%s", val_to_str_ext(ptype, &ecmg_parametertypenames_ext, "Unknown Type:0x%02x"));
break;
case SIMULCRYPT_EMMG_MUX:
proto_item_append_text(simulcrypt_item, ": Type=%s", val_to_str_ext(ptype, &emmg_parametertypenames_ext, "Unknown Type:0x%02x"));
break;
case SIMULCRYPT_EIS_SCS:
proto_item_append_text(simulcrypt_item, ": Type=%s", val_to_str_ext(ptype, &eis_parametertypenames_ext, "Unknown Type:0x%02x"));
break;
case SIMULCRYPT_PSIG_MUX:
case SIMULCRYPT_MUX_CIM:
case SIMULCRYPT_PSIG_CIP:
proto_item_append_text(simulcrypt_item, ": Type=%s", val_to_str_ext(ptype, &psig_parametertypenames_ext, "Unknown Type:0x%02x"));
break;
default:
proto_item_append_text(simulcrypt_item, ": Type=0x%02x", ptype);
break;
}
proto_item_append_text(simulcrypt_item, ", Value Length=%d (bytes)", plen); /* add length info to parameter */
proto_item_append_text(simulcrypt_item, ", Value=0x%s", pvalue_char); /* add value info to parameter */
/* add subtree for parameter type, length and value items */
simulcrypt_parameter_tree = proto_item_add_subtree(simulcrypt_item, ett_simulcrypt_parameter); /* add subtree for Length and Value */
switch (iftype) { /* parameter type */
case SIMULCRYPT_ECMG_SCS:
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_ecmg_parameter_type, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EMMG_MUX:
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_emmg_parameter_type, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_EIS_SCS:
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_eis_parameter_type, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case SIMULCRYPT_PSIG_MUX:
case SIMULCRYPT_MUX_CIM:
case SIMULCRYPT_PSIG_CIP:
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_psig_parameter_type, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
default:
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_parameter_type, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
}
proto_tree_add_item(simulcrypt_parameter_tree, hf_simulcrypt_parameter_length, tvb, offset+2, 2, ENC_BIG_ENDIAN); /* length item */
offset += 2+2; /* offset --> parameter value */
switch (iftype) {
case SIMULCRYPT_ECMG_SCS:
dissect_ecmg_parameter_value (simulcrypt_parameter_tree, tvb, pinfo, offset, plen, ptype, pvalue_char);
break;
case SIMULCRYPT_EMMG_MUX:
dissect_emmg_parameter_value (simulcrypt_parameter_tree, tvb, pinfo, offset, plen, ptype, pvalue_char);
break;
case SIMULCRYPT_EIS_SCS:
dissect_eis_parameter_value (simulcrypt_parameter_tree, tvb, pinfo, offset, plen, ptype, pvalue_char);
break;
case SIMULCRYPT_PSIG_MUX:
case SIMULCRYPT_MUX_CIM:
case SIMULCRYPT_PSIG_CIP:
dissect_psig_parameter_value (simulcrypt_parameter_tree, tvb, pinfo, offset, plen, ptype, pvalue_char);
break;
default:
proto_tree_add_string(tree, hf_simulcrypt_parameter_value, tvb, offset, plen, pvalue_char);
break;
}
offset += plen;
subtree_offset += 2+2+plen;
if(is_subtree)
{
applied_offset = subtree_offset;
}
else
{
applied_offset = offset;
}
} /* end parameter tree details */
}
/* determine PDU length of protocol foo */
static guint
get_simulcrypt_message_len(packet_info *pinfo _U_, tvbuff_t *tvb,
int offset, void *data _U_)
{
guint iLg;
iLg = tvb_get_ntohs(tvb,offset+3); /*length is at offset 3 */
iLg += 5; /* add 1 byte version + 2 byte type + 2 byte length (simulcrypt "header" */
return iLg;
}
/* Clean out the ecm_interpretation port association whenever */
/* making a pass through a capture file to dissect all its packets */
/* (e.g., reading in a new capture file, changing a simulcrypt pref, */
/* or running a "filter packets" or "colorize packets" pass over the */
/* current capture file. */
static void
simulcrypt_init(void)
{
guint i;
for(i=0;i<ECM_INTERPRETATION_SIZE;i++)
{
tab_ecm_inter[i].ecmg_port = -1;
}
}
void proto_reg_handoff_simulcrypt(void);
void
proto_register_simulcrypt (void)
{
/* A header field is something you can search/filter on.
*
* We create a structure to register our fields. It consists of an
* array of hf_register_info structures, each of which are of the format
* {&(field id), {name, abbrev, type, display, strings, bitmask, blurb, HFILL}}.
*/
static hf_register_info hf[] =
{
{ &hf_simulcrypt_header,
{ "Header", "simulcrypt.header", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_version,
{ "Version", "simulcrypt.version", FT_UINT8, BASE_HEX, NULL, 0x0, /* version 1 byte */
NULL, HFILL }},
{ &hf_simulcrypt_message_type,
{ "Message Type", "simulcrypt.message.type", FT_UINT16, BASE_HEX|BASE_EXT_STRING, &messagetypenames_ext, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_interface,
{ "Interface", "simulcrypt.message.interface", FT_UINT16, BASE_DEC, VALS(interfacenames), 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_message_length,
{ "Message Length", "simulcrypt.message.len", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_byte_bytes, 0x0, /* length 2 bytes, print as decimal value */
NULL, HFILL }},
{ &hf_simulcrypt_message,
{ "Message", "simulcrypt.message", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_parameter,
{ "Parameter", "simulcrypt.parameter", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_parameter_type,
{ "Parameter Type", "simulcrypt.parameter.type", FT_UINT16, BASE_HEX, NULL, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_ecmg_parameter_type,
{ "Parameter Type", "simulcrypt.parameter.type", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &ecmg_parametertypenames_ext, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_emmg_parameter_type,
{ "Parameter Type", "simulcrypt.parameter.type", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &emmg_parametertypenames_ext, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_parameter_length,
{ "Parameter Length", "simulcrypt.parameter.len", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_byte_bytes, 0x0, /* length 2 bytes, print as decimal value */
NULL, HFILL }},
{ &hf_simulcrypt_ca_system_id,
{ "CA System ID", "simulcrypt.parameter.ca_system_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ca_subsystem_id,
{ "CA Subsystem ID", "simulcrypt.parameter.ca_subsystem_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_super_cas_id,
{ "SuperCAS ID", "simulcrypt.super_cas_id", FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_section_tspkt_flag,
{ "Section TS pkt flag", "simulcrypt.section_tspkt_flag", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_channel_id,
{ "ECM channel ID", "simulcrypt.ecm_channel_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_delay_start,
{ "Delay start", "simulcrypt.delay_start", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_delay_stop,
{ "Delay stop", "simulcrypt.delay_stop", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ac_delay_start,
{ "AC delay start", "simulcrypt.ac_delay_start", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ac_delay_stop,
{ "AC delay stop", "simulcrypt.ac_delay_stop", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_transition_delay_start,
{ "Transition delay start", "simulcrypt.transition_delay_start", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_transition_delay_stop,
{ "Transition delay stop", "simulcrypt.transition_delay_stop", FT_INT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_rep_period,
{ "ECM repetition period", "simulcrypt.ecm_rep_period", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_max_streams,
{ "Max streams", "simulcrypt.max_streams", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_min_cp_duration,
{ "Min CP duration", "simulcrypt.min_cp_duration", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_lead_cw,
{ "Lead CW", "simulcrypt.lead_cw", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cw_per_msg,
{ "CW per msg", "simulcrypt.cw_per_msg", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_max_comp_time,
{ "Max comp time", "simulcrypt.max_comp_time", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_access_criteria,
{ "Access criteria", "simulcrypt.access_criteria", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_stream_id,
{ "ECM stream ID", "simulcrypt.ecm_stream_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_nominal_cp_duration,
{ "Nominal CP duration", "simulcrypt.nominal_cp_duration", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_access_criteria_transfer_mode,
{ "AC transfer mode", "simulcrypt.access_criteria_transfer_mode", FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cp_number,
{ "CP number", "simulcrypt.cp_number", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cp_duration,
{ "CP duration", "simulcrypt.cp_duration", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cp_cw_combination,
{ "CP CW combination", "simulcrypt.cp_cw_combination", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_datagram,
{ "ECM datagram", "simulcrypt.ecm_datagram", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cw_encryption,
{ "CW encryption", "simulcrypt.cw_encryption", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_id,
{ "ECM ID", "simulcrypt.ecm_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_client_id,
{ "Client ID", "simulcrypt.client_id", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_data_channel_id,
{ "Data Channel ID", "simulcrypt.data_channel_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_data_stream_id,
{ "Data Stream ID", "simulcrypt.data_stream_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_datagram,
{ "Datagram", "simulcrypt.datagram", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_bandwidth,
{ "Bandwidth", "simulcrypt.bandwidth", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_data_type,
{ "Data Type", "simulcrypt.data_type", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_data_id,
{ "Data ID", "simulcrypt.data_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecmg_error_status,
{ "Error status", "simulcrypt.error_status", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &ecmg_error_values_ext, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_emmg_error_status,
{ "Error status", "simulcrypt.error_status", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &emmg_error_values_ext, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_error_information,
{ "Error information", "simulcrypt.error_information", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_eis_parameter_type,
{ "Parameter Type", "simulcrypt.parameter.type", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &eis_parametertypenames_ext, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_eis_channel_id,
{ "EIS channel ID", "simulcrypt.parameter.eis_channel_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_service_flag,
{ "Service flag", "simulcrypt.parameter.service_flag", FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_component_flag,
{ "Component flag", "simulcrypt.parameter.component_flag", FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_max_scg,
{ "Max SCG", "simulcrypt.parameter.max_scg", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ecm_group,
{ "ECM group", "simulcrypt.parameter.ecm_group", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_scg_id,
{ "SCG ID", "simulcrypt.parameter.scg_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_scg_reference_id,
{ "SCG reference ID", "simulcrypt.parameter.scg_reference_id", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_activation_time,
{ "Activation time", "simulcrypt.parameter.activation_time", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_year,
{ "Year", "simulcrypt.parameter.year", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_month,
{ "Month", "simulcrypt.parameter.month", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_day,
{ "Day", "simulcrypt.parameter.day", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_hour,
{ "Hour", "simulcrypt.parameter.hour", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_minute,
{ "Minute", "simulcrypt.parameter.minute", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_second,
{ "Second", "simulcrypt.parameter.second", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_hundredth_second,
{ "Hundredth_second", "simulcrypt.parameter.hundredth_second", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_activation_pending_flag,
{ "Activation pending flag", "simulcrypt.parameter.activation_pending_flag", FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_component_id,
{ "Component ID", "simulcrypt.parameter.component_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_service_id,
{ "Service ID", "simulcrypt.parameter.service_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_transport_stream_id,
{ "Transport stream ID", "simulcrypt.parameter.transport_stream_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_ac_changed_flag,
{ "AC changed flag", "simulcrypt.parameter.ac_changed_flag", FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_scg_current_reference_id,
{ "SCG current reference ID", "simulcrypt.parameter.scg_current_reference_id", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_scg_pending_reference_id,
{ "SCG pending reference ID", "simulcrypt.parameter.scg_pending_reference_id", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_cp_duration_flag,
{ "CP duration flag", "simulcrypt.parameter.cp_duration_flag", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_recommended_cp_duration,
{ "Recommended CP duration", "simulcrypt.parameter.recommended_cp_duration", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_scg_nominal_cp_duration,
{ "SCG nominal CP duration", "simulcrypt.parameter.scg_nominal_cp_duration", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_original_network_id,
{ "Original network ID", "simulcrypt.parameter.original_network_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_eis_error_status,
{ "Error status", "simulcrypt.error_status", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &eis_error_values_ext, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_error_description,
{ "Error status", "simulcrypt.error_description", FT_STRING, BASE_NONE, NULL, 0x0, /* error_description --> ASCII byte string */
NULL, HFILL }},
{ &hf_simulcrypt_psig_parameter_type,
{ "Parameter Type", "simulcrypt.parameter.type", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &psig_parametertypenames_ext, 0x0, /* type 2 bytes */
NULL, HFILL }},
{ &hf_simulcrypt_psig_type,
{ "PSIG type", "simulcrypt.parameter.psig_type", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_channel_id,
{ "Channel ID", "simulcrypt.parameter.channel_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_stream_id,
{ "Stream ID", "simulcrypt.parameter.stream_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_packet_id,
{ "Packet ID", "simulcrypt.parameter.packet_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_interface_mode_configuration,
{ "Interface mode configuration", "simulcrypt.parameter.interface_mode_configuration", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_max_stream,
{ "Max stream", "simulcrypt.parameter.max_stream", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_table_period_pair,
{ "Table period pair", "simulcrypt.parameter.table_period_pair", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_mpeg_section,
{ "MPEG section", "simulcrypt.parameter.mpeg_section", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_repetition_rate,
{ "Repetition rate", "simulcrypt.parameter.repetition_rate", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_initial_bandwidth,
{ "Initial bandwidth", "simulcrypt.parameter.initial_bandwidth", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_asi_input_packet_id,
{ "ASI input packet ID", "simulcrypt.parameter.asi_input_packet_id", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_psig_error_status,
{ "Error status", "simulcrypt.parameter.error_status", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_simulcrypt_parameter_value,
{ "Parameter Value", "simulcrypt.parameter.value", FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }}
};
static gint *ett[] =
{
&ett_simulcrypt,
&ett_simulcrypt_header,
&ett_simulcrypt_message,
&ett_simulcrypt_parameter,
&ett_simulcrypt_super_cas_id,
&ett_simulcrypt_ecm_datagram,
&ett_simulcrypt_ecm_group,
&ett_simulcrypt_activation_time,
&ett_simulcrypt_table_period_pair
};
module_t *simulcrypt_module;
/* execute protocol initialization only once */
proto_simulcrypt = proto_register_protocol ("SIMULCRYPT Protocol", "SIMULCRYPT", "simulcrypt");
proto_register_field_array (proto_simulcrypt, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
register_init_routine(simulcrypt_init);
/* Register our configuration options for Simulcrypt, particularly our port. */
/* This registers our preferences; function proto_reg_handoff_simulcrypt is */
/* called when preferences are applied. */
simulcrypt_module = prefs_register_protocol(proto_simulcrypt, proto_reg_handoff_simulcrypt);
prefs_register_uint_preference(simulcrypt_module, "ca_system_id_mikey","MIKEY ECM CA_system_ID (in hex)",
"Set the CA_system_ID used to decode ECM datagram as MIKEY", 16, &ca_system_id_mikey);
}
/* this is run every time preferences are changed and also during Wireshark initialization */
void
proto_reg_handoff_simulcrypt(void)
{
static gboolean initialized=FALSE;
dissector_handle_t simulcrypt_handle;
guint i;
if (!initialized) {
simulcrypt_handle = create_dissector_handle(dissect_simulcrypt, proto_simulcrypt);
for(i=0;i<ECM_INTERPRETATION_SIZE;i++)
{
tab_ecm_inter[i].protocol_handle = find_dissector(tab_ecm_inter[i].protocol_name);
}
dissector_add_for_decode_as_with_preference("udp.port", simulcrypt_handle);
dissector_add_for_decode_as_with_preference("tcp.port", simulcrypt_handle);
initialized = TRUE;
}
/* update tab_ecm_inter table (always do this) */
tab_ecm_inter[ECM_MIKEY_INDEX].ca_system_id=ca_system_id_mikey;
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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