diff options
Diffstat (limited to 'epan/dissectors/packet-simulcrypt.c')
| -rw-r--r-- | epan/dissectors/packet-simulcrypt.c | 1852 |
1 files changed, 1852 insertions, 0 deletions
diff --git a/epan/dissectors/packet-simulcrypt.c b/epan/dissectors/packet-simulcrypt.c new file mode 100644 index 00000000..5fac3a13 --- /dev/null +++ b/epan/dissectors/packet-simulcrypt.c @@ -0,0 +1,1852 @@ +/* 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; + +/* Dissector handle for SIMULCRYPT protocol */ +static dissector_handle_t simulcrypt_handle; + +/* 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); + + simulcrypt_handle = register_dissector("simulcrypt", dissect_simulcrypt, proto_simulcrypt); + + /* 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; + guint i; + + if (!initialized) { + 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: + */ |