/* packet-rfid-pn532.c * Dissector for the NXP PN532 Protocol * * References: * http://www.nxp.com/documents/user_manual/141520.pdf * * Copyright 2012, Tyson Key * Copyright 2013, Michal Labedzki for Tieto Corporation * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later * */ #include "config.h" #include #include #include #include "packet-usb.h" static int proto_pn532; static int hf_pn532_command; static int hf_pn532_direction; static int hf_pn532_MaxTg; static int hf_pn532_Tg; static int hf_pn532_NbTg; static int hf_pn532_BrTy; static int hf_pn532_error; static int hf_pn532_status_nad_present; static int hf_pn532_status_mi; static int hf_pn532_status_error_code; static int hf_pn532_payload_length; static int hf_pn532_ic_version; static int hf_pn532_fw_version; static int hf_pn532_fw_revision; static int hf_pn532_fw_support; static int hf_pn532_fw_support_rfu; static int hf_pn532_fw_support_iso_018092; static int hf_pn532_fw_support_iso_iec_14443_type_b; static int hf_pn532_fw_support_iso_iec_14443_type_a; static int hf_pn532_14443a_uid; static int hf_pn532_sam_mode; static int hf_pn532_sam_timeout; static int hf_pn532_sam_irq; static int hf_pn532_config; static int hf_pn532_config_not_used; static int hf_pn532_config_auto_rfca; static int hf_pn532_config_rf; static int hf_pn532_config_rfu; static int hf_pn532_config_atr_res_timeout; static int hf_pn532_config_timeout_non_dep; static int hf_pn532_config_max_rty_com; static int hf_pn532_config_max_rty_atr; static int hf_pn532_config_max_rty_psl; static int hf_pn532_config_max_rty_passive_activation; static int hf_pn532_afi; static int hf_pn532_polling_method; static int hf_pn532_config_ciu_rf_cfg; static int hf_pn532_config_ciu_cw_gs_p; static int hf_pn532_config_ciu_mod_gs_p; static int hf_pn532_config_ciu_rx_threshold; static int hf_pn532_config_ciu_demon_rf_on; static int hf_pn532_config_ciu_demon_rf_off; static int hf_pn532_config_ciu_gs_n_on; static int hf_pn532_config_ciu_gs_n_off; static int hf_pn532_config_ciu_mod_width; static int hf_pn532_config_ciu_mif_nfc; static int hf_pn532_config_ciu_tx_bit_phase; static int hf_pn532_config_212_kbps; static int hf_pn532_config_424_kbps; static int hf_pn532_config_848_kbps; static int hf_pn532_state; static int hf_pn532_brit_nu_7; static int hf_pn532_brit_speed_target; static int hf_pn532_brit_nu_3; static int hf_pn532_brit_speed_initiator; static int hf_pn532_tg_response; static int hf_pn532_initiator_command; static int hf_pn532_data_in; static int hf_pn532_data_out; static int hf_pn532_gt; static int hf_pn532_mode_nu_7; static int hf_pn532_mode_nu_3_7; static int hf_pn532_mode_picc_only; static int hf_pn532_mode_dep_only; static int hf_pn532_mode_passive_only; static int hf_pn532_mode_mifare_parameters; static int hf_pn532_mode_mifare_parameters_sens_res; static int hf_pn532_mode_mifare_parameters_nfc_id_1t; static int hf_pn532_mode_mifare_parameters_sel_res; static int hf_pn532_mode_felica_parameters; static int hf_pn532_mode_felica_parameters_nfc_id_2t; static int hf_pn532_mode_felica_parameters_pad; static int hf_pn532_mode_felica_parameters_system_code; static int hf_pn532_mode_nfc_id_3t; static int hf_pn532_mode_gt_length; static int hf_pn532_mode_gt; static int hf_pn532_mode_tk_length; static int hf_pn532_mode_tk; static int hf_pn532_mode_baudrate; static int hf_pn532_mode_iso_iec_14443_4_picc; static int hf_pn532_mode_dep; static int hf_pn532_mode_framing_type; static int hf_pn532_brit; static int hf_pn532_brti; static int hf_pn532_txmode_nu_7; static int hf_pn532_txmode_tx_speed; static int hf_pn532_txmode_nu_2_3; static int hf_pn532_txmode_tx_framing; static int hf_pn532_baudrate; static int hf_pn532_flags; static int hf_pn532_flags_rfu_7; static int hf_pn532_flags_remove_preamble_and_postamble; static int hf_pn532_flags_iso_14443_4_picc_emulation; static int hf_pn532_flags_automatic_rats; static int hf_pn532_flags_rfu_3; static int hf_pn532_flags_automatic_atr_res; static int hf_pn532_flags_did_used; static int hf_pn532_flags_nad_used; static int hf_pn532_target; static int hf_pn532_wakeup_enable; static int hf_pn532_generate_irq; static int hf_pn532_register_address; static int hf_pn532_register_value; static int hf_pn532_field; static int hf_pn532_brrx; static int hf_pn532_brtx; static int hf_pn532_type; static int hf_pn532_sam_status; static int hf_pn532_wakeup_enable_i2c; static int hf_pn532_wakeup_enable_gpio; static int hf_pn532_wakeup_enable_spi; static int hf_pn532_wakeup_enable_hsu; static int hf_pn532_wakeup_enable_rf_level_detector; static int hf_pn532_wakeup_enable_rfu_2; static int hf_pn532_wakeup_enable_int_1; static int hf_pn532_wakeup_enable_int_0; static int hf_pn532_gpio_ioi1; static int hf_pn532_gpio_p3; static int hf_pn532_gpio_p7; static int hf_pn532_poll_number; static int hf_pn532_period; static int hf_pn532_autopoll_type; static int hf_pn532_autopoll_type_act; static int hf_pn532_autopoll_type_dep; static int hf_pn532_autopoll_type_tcl; static int hf_pn532_autopoll_type_mf_fe; static int hf_pn532_autopoll_type_not_used; static int hf_pn532_autopoll_type_baudrate_and_modulation; static int hf_pn532_target_data; static int hf_pn532_target_data_length; static int hf_pn532_nfc_id_3i; static int hf_pn532_gi; static int hf_pn532_next_not_used_2_7; static int hf_pn532_next_gi; static int hf_pn532_next_nfc_id_3i; static int hf_pn532_nfc_id_3t; static int hf_pn532_activation_baudrate; static int hf_pn532_communication_mode; static int hf_pn532_jump_next_not_used_3_7; static int hf_pn532_jump_next_passive_initiator_data; static int hf_pn532_jump_next_gi; static int hf_pn532_jump_next_nfc_id_3i; static int hf_pn532_passive_initiator_data; static int hf_pn532_did_target; static int hf_pn532_send_bit_rate_target; static int hf_pn532_receive_bit_rate_target; static int hf_pn532_timeout; static int hf_pn532_optional_parameters; static int hf_pn532_test_number; static int hf_pn532_parameters; static int hf_pn532_parameters_length; static int hf_pn532_sens_res; static int hf_pn532_sel_res; static int hf_pn532_nfc_id_length; static int hf_pn532_nfc_id_1; static int hf_pn532_ats_length; static int hf_pn532_ats; static int hf_pn532_pol_res_length; static int hf_pn532_response_code; static int hf_pn532_nfc_id_2t; static int hf_pn532_pad; static int hf_pn532_syst_code; static int hf_pn532_atqb_response; static int hf_pn532_attrib_res_length; static int hf_pn532_attrib_res; static int hf_pn532_jewel_id; static int hf_pn532_response_for; static int hf_pn532_diagnose_baudrate; static int hf_pn532_reply_delay; static int hf_pn532_ciu_tx_mode; static int hf_pn532_ciu_rx_mode; static int hf_pn532_diagnose_result; static int hf_pn532_diagnose_number_of_fails; static int hf_pn532_andet_bot; static int hf_pn532_andet_up; static int hf_pn532_andet_ith; static int hf_pn532_andet_en; static expert_field ei_unknown_data; static expert_field ei_unexpected_data; static wmem_tree_t *command_info; static dissector_handle_t pn532_handle; void proto_register_pn532(void); void proto_reg_handoff_pn532(void); #define DIAGNOSE_REQ 0x00 #define DIAGNOSE_RSP 0x01 #define GET_FIRMWARE_VERSION_REQ 0x02 #define GET_FIRMWARE_VERSION_RSP 0x03 #define GET_GENERAL_STATUS_REQ 0x04 #define GET_GENERAL_STATUS_RSP 0x05 #define READ_REGISTER_REQ 0x06 #define READ_REGISTER_RSP 0x07 #define WRITE_REGISTER_REQ 0x08 #define WRITE_REGISTER_RSP 0x09 #define READ_GPIO_REQ 0x0C #define READ_GPIO_RSP 0x0D #define WRITE_GPIO_REQ 0x0E #define WRITE_GPIO_RSP 0x0F #define SET_SERIAL_BAUD_RATE_REQ 0x10 #define SET_SERIAL_BAUD_RATE_RSP 0x11 #define SET_PARAMETERS_REQ 0x12 #define SET_PARAMETERS_RSP 0x13 #define SAM_CONFIGURATION_REQ 0x14 #define SAM_CONFIGURATION_RSP 0x15 #define POWER_DOWN_REQ 0x16 #define POWER_DOWN_RSP 0x17 #define RF_CONFIGURATION_REQ 0x32 #define RF_CONFIGURATION_RSP 0x33 #define IN_DATA_EXCHANGE_REQ 0x40 #define IN_DATA_EXCHANGE_RSP 0x41 #define IN_COMMUNICATE_THRU_REQ 0x42 #define IN_COMMUNICATE_THRU_RSP 0x43 #define IN_DESELECT_REQ 0x44 #define IN_DESELECT_RSP 0x45 #define IN_JUMP_FOR_PSL_REQ 0x46 #define IN_JUMP_FOR_PSL_RSP 0x47 #define IN_LIST_PASSIVE_TARGET_REQ 0x4A #define IN_LIST_PASSIVE_TARGET_RSP 0x4B #define IN_PSL_REQ 0x4E #define IN_PSL_RSP 0x4F #define IN_ATR_REQ 0x50 #define IN_ATR_RSP 0x51 #define IN_RELEASE_REQ 0x52 #define IN_RELEASE_RSP 0x53 #define IN_SELECT_REQ 0x54 #define IN_SELECT_RSP 0x55 #define IN_JUMP_FOR_DEP_REQ 0x56 #define IN_JUMP_FOR_DEP_RSP 0x57 #define RF_REGULATION_TEST_REQ 0x58 #define RF_REGULATION_TEST_RSP 0x59 #define IN_AUTO_POLL_REQ 0x60 #define IN_AUTO_POLL_RSP 0x61 #define TG_GET_DATA_REQ 0x86 #define TG_GET_DATA_RSP 0x87 #define TG_GET_INITIATOR_CMD_REQ 0x88 #define TG_GET_INITIATOR_CMD_RSP 0x89 #define TG_GET_TARGET_STATUS_REQ 0x8A #define TG_GET_TARGET_STATUS_RSP 0x8B #define TG_INIT_AS_TARGET_REQ 0x8C #define TG_INIT_AS_TARGET_RSP 0x8D #define TG_SET_DATA_REQ 0x8E #define TG_SET_DATA_RSP 0x8F #define TG_RESP_TO_INITIATOR_REQ 0x90 #define TG_RESP_TO_INITIATOR_RSP 0x91 #define TG_SET_GENERAL_BYTES_REQ 0x92 #define TG_SET_GENERAL_BYTES_RSP 0x93 #define TG_SET_METADATA_REQ 0x94 #define TG_SET_METADATA_RSP 0x95 /* Baud rate and modulation types */ #define ISO_IEC_14443A_106 0x00 #define FELICA_212 0x01 #define FELICA_424 0x02 #define ISO_IEC_14443B_106 0x03 #define JEWEL_14443A_106 0x04 /* Table of payload types - adapted from the I2C dissector */ enum { SUB_DATA = 0, SUB_FELICA, SUB_MIFARE, SUB_ISO7816, SUB_MAX }; typedef struct command_data_t { uint32_t bus_id; uint32_t device_address; uint32_t endpoint; uint8_t command; uint32_t command_frame_number; uint32_t response_frame_number; union { int16_t test_number; int16_t baudrate; } data; } command_data_t; static dissector_handle_t sub_handles[SUB_MAX]; static int sub_selected = SUB_DATA; /* Subtree handles: set by register_subtree_array */ static int ett_pn532; static int ett_pn532_flags; static int ett_pn532_target; static int ett_pn532_fw_support; static int ett_pn532_config_212_kbps; static int ett_pn532_config_424_kbps; static int ett_pn532_config_848_kbps; static int ett_pn532_mifare_parameters; static int ett_pn532_felica_parameters; static int ett_pn532_wakeup_enable; static int ett_pn532_autopoll_type; /* Re-arranged from defs above to be in ascending order by value */ static const value_string pn532_commands[] = { {DIAGNOSE_REQ, "Diagnose"}, {DIAGNOSE_RSP, "Diagnose (Response)"}, {GET_FIRMWARE_VERSION_REQ, "GetFirmwareVersion"}, {GET_FIRMWARE_VERSION_RSP, "GetFirmwareVersion (Response)"}, {GET_GENERAL_STATUS_REQ, "GetGeneralStatus"}, {GET_GENERAL_STATUS_RSP, "GetGeneralStatus (Response)"}, {READ_REGISTER_REQ, "ReadRegister"}, {READ_REGISTER_RSP, "ReadRegister (Response)"}, {WRITE_REGISTER_REQ, "WriteRegister"}, {WRITE_REGISTER_RSP, "WriteRegister (Response)"}, {READ_GPIO_REQ, "ReadGPIO"}, {READ_GPIO_RSP, "ReadGPIO (Response)"}, {WRITE_GPIO_REQ, "WriteGPIO"}, {WRITE_GPIO_RSP, "WriteGPIO (Response)"}, {SET_SERIAL_BAUD_RATE_REQ, "SetSerialBaudRate"}, {SET_SERIAL_BAUD_RATE_RSP, "SetSerialBaudRate (Response)"}, {SET_PARAMETERS_REQ, "SetParameters"}, {SET_PARAMETERS_RSP, "SetParameters (Response)"}, {SAM_CONFIGURATION_REQ, "SAMConfiguration"}, {SAM_CONFIGURATION_RSP, "SAMConfiguration (Response)"}, {POWER_DOWN_REQ, "PowerDown"}, {POWER_DOWN_RSP, "PowerDown (Response)"}, {RF_CONFIGURATION_REQ, "RFConfiguration"}, {RF_CONFIGURATION_RSP, "RFConfiguration (Response)"}, {IN_DATA_EXCHANGE_REQ, "InDataExchange"}, {IN_DATA_EXCHANGE_RSP, "InDataExchange (Response)"}, {IN_COMMUNICATE_THRU_REQ, "InCommunicateThru"}, {IN_COMMUNICATE_THRU_RSP, "InCommunicateThru (Response)"}, {IN_DESELECT_REQ, "InDeselect"}, {IN_DESELECT_RSP, "InDeselect (Response)"}, {IN_JUMP_FOR_PSL_REQ, "InJumpForPSL"}, {IN_JUMP_FOR_PSL_RSP, "InJumpForPSL (Response)"}, {IN_LIST_PASSIVE_TARGET_REQ, "InListPassiveTarget"}, {IN_LIST_PASSIVE_TARGET_RSP, "InListPassiveTarget (Response)"}, {IN_PSL_REQ, "InPSL"}, {IN_PSL_RSP, "InPSL (Response)"}, {IN_ATR_REQ, "InATR"}, {IN_ATR_RSP, "InATR (Response)"}, {IN_RELEASE_REQ, "InRelease"}, {IN_RELEASE_RSP, "InRelease (Response)"}, {IN_SELECT_REQ, "InSelect"}, {IN_SELECT_RSP, "InSelect (Response)"}, {IN_JUMP_FOR_DEP_REQ, "InJumpForDEP"}, {IN_JUMP_FOR_DEP_RSP, "InJumpForDEP (Response)"}, {RF_REGULATION_TEST_REQ, "RFRegulationTest"}, {RF_REGULATION_TEST_RSP, "RFRegulationTest (Response)"}, {IN_AUTO_POLL_REQ, "InAutoPoll"}, {IN_AUTO_POLL_RSP, "InAutoPoll (Response)"}, {TG_GET_DATA_REQ, "TgGetData"}, {TG_GET_DATA_RSP, "TgGetData (Response)"}, {TG_GET_INITIATOR_CMD_REQ, "TgGetInitiatorCommand"}, {TG_GET_INITIATOR_CMD_RSP, "TgGetInitiatorCommand (Response)"}, {TG_GET_TARGET_STATUS_REQ, "TgGetTargetStatus"}, {TG_GET_TARGET_STATUS_RSP, "TgGetTargetStatus (Response)"}, {TG_INIT_AS_TARGET_REQ, "TgInitAsTarget"}, {TG_INIT_AS_TARGET_RSP, "TgInitAsTarget (Response)"}, {TG_SET_DATA_REQ, "TgSetData"}, {TG_SET_DATA_RSP, "TgSetData (Response)"}, {TG_RESP_TO_INITIATOR_REQ, "TgResponseToInitiator"}, {TG_RESP_TO_INITIATOR_RSP, "TgResponseToInitiator (Response)"}, {TG_SET_GENERAL_BYTES_REQ, "TgSetGeneralBytes"}, {TG_SET_GENERAL_BYTES_RSP, "TgSetGeneralBytes (Response)"}, {TG_SET_METADATA_REQ, "TgSetMetaData"}, {TG_SET_METADATA_RSP, "TgSetMetaData (Response)"}, {0x00, NULL} }; static value_string_ext pn532_commands_ext = VALUE_STRING_EXT_INIT(pn532_commands); /* TFI - 1 byte frame identifier; specifying direction of communication */ static const value_string pn532_directions[] = { {0xD4, "Host to PN532"}, {0xD5, "PN532 to Host"}, {0x00, NULL} }; static const value_string pn532_errors[] = { {0x00, "No Error"}, {0x01, "Time Out"}, {0x02, "CRC Error detected by the CIU"}, {0x03, "Parity Error detected by the CIU"}, {0x04, "Erroneous Bit Count has been detected"}, {0x05, "Framing error during Mifare operation"}, {0x06, "Abnormal Bit-Collision"}, {0x07, "Communication Buffer Size Insufficient"}, {0x09, "RF Buffer overflow has been detected by the CIU"}, {0x0A, "In active communication mode, the RF field has not been switched on in time by the counterpart"}, {0x0B, "RF Protocol Error"}, {0x0D, "Temperature Error"}, {0x0E, "Internal Buffer Overflow"}, {0x10, "Invalid Parameter"}, {0x12, "The PN532 configured in target mode does not support the command received from the initiator"}, {0x13, "Invalid Data Format"}, {0x14, "Authentication Error"}, {0x23, "UID Check Byte is Wrong"}, {0x25, "Invalid Device State"}, {0x26, "Operation not allowed in this configuration"}, {0x27, "Unacceptable Command"}, {0x29, "The PN532 configured as target has been released by its initiator"}, {0x2A, "ID of the card does not match"}, {0x2B, "Card previously activated has disappeared"}, {0x2C, "Mismatch between the NFCID3 initiator and the NFCID3 target in DEP 212/424 kbps passive"}, {0x2D, "Over-current event has been detected"}, {0x2E, "NAD missing in DEP frame"}, {0x00, NULL} }; static const value_string pn532_config_vals[] = { {0x01, "RF Field"}, {0x02, "Various Timings"}, {0x04, "Max Rty COM"}, {0x05, "Max Retries"}, {0x0A, "Analog settings for the baudrate 106 kbps type A"}, {0x0B, "Analog settings for the baudrate 212/424 kbps"}, {0x0C, "Analog settings for the type B"}, {0x0D, "Analog settings for baudrates 212/424 and 848 kbps with ISO/IEC14443-4 protocol"}, {0x00, NULL} }; static const value_string pn532_config_timeout_vals[] = { {0x00, "No Timeout"}, {0x01, "100 us"}, {0x02, "200 us"}, {0x03, "400 us"}, {0x04, "800 us"}, {0x05, "1.6 ms"}, {0x06, "3.2 ms"}, {0x07, "6.4 ms"}, {0x08, "12.8 ms"}, {0x09, "25.6 ms"}, {0x0A, "51.2 ms"}, {0x0B, "102.4 ms"}, {0x0C, "204.8 ms"}, {0x0D, "409.6 ms"}, {0x0E, "819.2 ms"}, {0x0F, "1.64 sec"}, {0x10, "3.28 sec"}, {0x00, NULL} }; static const value_string pn532_polling_method_vals[] = { {0x00, "Timeslot Approach"}, {0x01, "Probabilistic Approach"}, {0x00, NULL} }; /* Baud rates and modulation types */ static const value_string pn532_brtypes[] = { {ISO_IEC_14443A_106, "ISO/IEC 14443-A at 106 kbps"}, {FELICA_212, "FeliCa at 212 kbps"}, {FELICA_424, "FeliCa at 424 kbps"}, {ISO_IEC_14443B_106, "ISO/IEC 14443-B at 106 kbps"}, {JEWEL_14443A_106, "InnoVision Jewel/Topaz at 106 kbps"}, {0x00, NULL} }; /* SAM Modes */ static const value_string pn532_sam_modes[] = { {0x01, "Normal Mode"}, {0x02, "Virtual Card Mode"}, {0x03, "Wired Card Mode"}, {0x04, "Dual Card Mode"}, {0x00, NULL} }; static const value_string pn532_state_vals[] = { {0x00, "TG Idle / TG Released"}, {0x01, "TG Activated"}, {0x02, "TG Deselected"}, {0x80, "PICC Released"}, {0x81, "PICC Activated"}, {0x82, "PICC Deselected"}, {0x00, NULL} }; static const value_string pn532_speed_vals[] = { {0x00, "106 kbps"}, {0x01, "212 kbps"}, {0x02, "424 kbps"}, {0x00, NULL} }; static const value_string pn532_framing_type_vals[] = { {0x00, "Mifare"}, {0x01, "Active Mode"}, {0x02, "FeliCa"}, {0x00, NULL} }; static const value_string pn532_txspeed_vals[] = { {0x00, "106 kbps"}, {0x01, "212 kbps"}, {0x02, "424 kbps"}, {0x03, "848 kbps"}, {0x00, NULL} }; static const value_string pn532_txframing_vals[] = { {0x00, "Mifare"}, {0x02, "FeliCa"}, {0x00, NULL} }; static const value_string pn532_baudrate_vals[] = { {0x00, "9.6 kbaud"}, {0x01, "19.2 kbaud"}, {0x02, "38.4 kbaud"}, {0x03, "57.6 kbaud"}, {0x04, "115.2 kbaud"}, {0x05, "230.4 kbaud"}, {0x06, "460.8 kbaud"}, {0x07, "921.6 kbaud"}, {0x08, "1.288 Mbaud"}, {0x00, NULL} }; static const value_string pn532_type_vals[] = { {0x00, "Mifare, ISO/IEC14443-3 Type A, ISO/IEC14443-3 Type B, ISO/IEC18092 passive 106 kbps"}, {0x01, "ISO/IEC18092 Active Mode"}, {0x02, "Innovision Jewel Tag"}, {0x10, "FeliCa, ISO/IEC18092 passive 212/424 kbps"}, {0x00, NULL} }; static const value_string pn532_communication_mode_vals[] = { {0x00, "Passive Mode"}, {0x01, "Active Mode"}, {0x00, NULL} }; static const value_string pn532_test_number_vals[] = { {0x00, "Communication Line Test"}, {0x01, "ROM Test"}, {0x02, "RAM Test"}, {0x04, "Polling Test to Target"}, {0x05, "Echo Back Test"}, {0x06, "Attention Request Test or ISO/IEC14443-4 card presence detection"}, {0x07, "Self Antenna Test"}, {0x00, NULL} }; static const value_string pn532_diagnose_baudrate_vals[] = { {0x01, "212 kbps"}, {0x02, "424 kbps"}, {0x00, NULL} }; static void sam_timeout_base(char* buf, uint32_t value) { if (value == 0x00) { snprintf(buf, ITEM_LABEL_LENGTH, "No timeout control"); } else if (0x01 <= value && value <= 0x13) { snprintf(buf, ITEM_LABEL_LENGTH, "%u ms", value * 50); } else { snprintf(buf, ITEM_LABEL_LENGTH, "%u.%03u s", value * 50 / 1000, value * 50 % 1000); } } static void replay_delay_base(char* buf, uint32_t value) { snprintf(buf, ITEM_LABEL_LENGTH, "%u.%03u s", value * 500 / 1000, value * 500 % 1000); } static int dissect_status(proto_tree *tree, tvbuff_t *tvb, int offset) { proto_tree_add_item(tree, hf_pn532_status_nad_present, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pn532_status_mi, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pn532_status_error_code, tvb, offset, 1, ENC_BIG_ENDIAN); return offset + 1; } static int dissect_pn532(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_item *item; proto_tree *pn532_tree; proto_item *sub_item; proto_tree *sub_tree; proto_item *next_item; proto_tree *next_tree; uint8_t cmd; uint8_t config; int16_t baudrate; int16_t test_number; uint8_t length; uint8_t value; uint8_t type; uint8_t item_value; tvbuff_t *next_tvb; int offset = 0; command_data_t *command_data = NULL; urb_info_t *urb; wmem_tree_key_t key[5]; uint32_t bus_id; uint32_t device_address; uint32_t endpoint; uint32_t k_bus_id; uint32_t k_device_address; uint32_t k_endpoint; uint32_t k_frame_number; /* Reject the packet if data is NULL */ if (data == NULL) return 0; urb = (urb_info_t *)data; col_set_str(pinfo->cinfo, COL_PROTOCOL, "PN532"); item = proto_tree_add_item(tree, proto_pn532, tvb, 0, -1, ENC_NA); pn532_tree = proto_item_add_subtree(item, ett_pn532); proto_tree_add_item(pn532_tree, hf_pn532_direction, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_command, tvb, offset, 1, ENC_NA); cmd = tvb_get_uint8(tvb, offset); offset += 1; col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(cmd, &pn532_commands_ext, "Unknown command")); bus_id = urb->bus_id; device_address = urb->device_address; endpoint = urb->endpoint; k_bus_id = bus_id; k_device_address = device_address; k_endpoint = endpoint; k_frame_number = pinfo->num; key[0].length = 1; key[0].key = &k_bus_id; key[1].length = 1; key[1].key = &k_device_address; key[2].length = 1; key[2].key = &k_endpoint; key[3].length = 1; key[3].key = &k_frame_number; key[4].length = 0; key[4].key = NULL; if (!pinfo->fd->visited && !(cmd & 0x01)) { command_data = wmem_new(wmem_file_scope(), command_data_t); command_data->bus_id = bus_id; command_data->device_address = device_address; command_data->endpoint = endpoint; command_data->command = cmd; command_data->command_frame_number = pinfo->num; command_data->response_frame_number = 0; wmem_tree_insert32_array(command_info, key, command_data); k_bus_id = bus_id; k_device_address = device_address; k_endpoint = endpoint; k_frame_number = pinfo->num; key[0].length = 1; key[0].key = &k_bus_id; key[1].length = 1; key[1].key = &k_device_address; key[2].length = 1; key[2].key = &k_endpoint; key[3].length = 1; key[3].key = &k_frame_number; key[4].length = 0; key[4].key = NULL; } if (cmd & 0x01) { wmem_tree_t *wmem_tree; key[3].length = 0; key[3].key = NULL; wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(command_info, key); if (wmem_tree) { command_data = (command_data_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num); if (command_data && (command_data->response_frame_number == 0 || command_data->response_frame_number == pinfo->num)) { if (!pinfo->fd->visited && command_data->response_frame_number == 0) { command_data->response_frame_number = pinfo->num; } } } if (command_data) { sub_item = proto_tree_add_uint(pn532_tree, hf_pn532_response_for, tvb, offset, tvb_captured_length_remaining(tvb, offset), command_data->command_frame_number); proto_item_set_generated(sub_item); } } switch (cmd) { case DIAGNOSE_REQ: proto_tree_add_item(pn532_tree, hf_pn532_test_number, tvb, offset, 1, ENC_NA); test_number = tvb_get_uint8(tvb, offset); offset += 1; if (command_data) command_data->data.test_number = test_number; proto_tree_add_item(pn532_tree, hf_pn532_parameters_length, tvb, offset, 1, ENC_NA); length = tvb_get_uint8(tvb, offset); offset += 1; switch (test_number) { case 0x00: proto_tree_add_item(pn532_tree, hf_pn532_data_in, tvb, offset, length, ENC_NA); offset += length; break; case 0x04: proto_tree_add_item(pn532_tree, hf_pn532_diagnose_baudrate, tvb, offset, 1, ENC_NA); offset += 1; break; case 0x05: proto_tree_add_item(pn532_tree, hf_pn532_reply_delay, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_ciu_tx_mode, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_ciu_rx_mode, tvb, offset, 1, ENC_NA); offset += 1; break; case 0x07: proto_tree_add_item(pn532_tree, hf_pn532_andet_bot, tvb, offset, 1, ENC_NA); proto_tree_add_item(pn532_tree, hf_pn532_andet_up, tvb, offset, 1, ENC_NA); proto_tree_add_item(pn532_tree, hf_pn532_andet_ith, tvb, offset, 1, ENC_NA); proto_tree_add_item(pn532_tree, hf_pn532_andet_en, tvb, offset, 1, ENC_NA); offset += 1; break; case 0x01: case 0x02: case 0x06: /* No parameters */ break; default: proto_tree_add_item(pn532_tree, hf_pn532_parameters, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case DIAGNOSE_RSP: if (command_data && command_data->command == DIAGNOSE_REQ) test_number = command_data->data.test_number; else test_number = -1; /* Force unknown test_number */ if (tvb_reported_length_remaining(tvb, offset) >= 1) { proto_tree_add_item(pn532_tree, hf_pn532_parameters_length, tvb, offset, 1, ENC_NA); offset += 1; switch (test_number) { case 0x00: proto_tree_add_item(pn532_tree, hf_pn532_test_number, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_parameters_length, tvb, offset, 1, ENC_NA); length = tvb_captured_length_remaining(tvb, offset); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_data_out, tvb, offset, length, ENC_NA); offset += length; break; case 0x01: case 0x02: case 0x06: case 0x07: proto_tree_add_item(pn532_tree, hf_pn532_diagnose_result, tvb, offset, 1, ENC_NA); offset += 1; break; case 0x04: proto_tree_add_item(pn532_tree, hf_pn532_diagnose_number_of_fails, tvb, offset, 1, ENC_NA); offset += 1; break; case 0x05: /* Not possible; test 0x05 runs infinitely */ break; default: proto_tree_add_item(pn532_tree, hf_pn532_parameters, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } } break; case GET_FIRMWARE_VERSION_REQ: /* No parameters */ break; case GET_FIRMWARE_VERSION_RSP: proto_tree_add_item(pn532_tree, hf_pn532_ic_version, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_fw_version, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_fw_revision, tvb, offset, 1, ENC_NA); offset += 1; sub_item = proto_tree_add_item(pn532_tree, hf_pn532_fw_support, tvb, offset, 1, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_fw_support); proto_tree_add_item(sub_tree, hf_pn532_fw_support_rfu, tvb, offset, 1, ENC_NA); proto_tree_add_item(sub_tree, hf_pn532_fw_support_iso_018092, tvb, offset, 1, ENC_NA); proto_tree_add_item(sub_tree, hf_pn532_fw_support_iso_iec_14443_type_b, tvb, offset, 1, ENC_NA); proto_tree_add_item(sub_tree, hf_pn532_fw_support_iso_iec_14443_type_a, tvb, offset, 1, ENC_NA); offset += 1; break; case GET_GENERAL_STATUS_REQ: /* No parameters */ break; case GET_GENERAL_STATUS_RSP: proto_tree_add_item(pn532_tree, hf_pn532_error, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_field, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_NbTg, tvb, offset, 1, ENC_BIG_ENDIAN); value = tvb_get_uint8(tvb, offset); offset += 1; for (item_value = 1; item_value <= value; item_value += 1) { sub_item = proto_tree_add_item(pn532_tree, hf_pn532_target, tvb, offset, 4, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_target); proto_item_append_text(sub_item, " %u/%u", item_value, value); proto_tree_add_item(sub_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_brrx, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_brtx, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } proto_tree_add_item(pn532_tree, hf_pn532_sam_status, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case READ_REGISTER_REQ: while (tvb_reported_length_remaining(tvb, offset) >= 2) { proto_tree_add_item(pn532_tree, hf_pn532_register_address, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } break; case READ_REGISTER_RSP: while (tvb_reported_length_remaining(tvb, offset) >= 1) { proto_tree_add_item(pn532_tree, hf_pn532_register_value, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case WRITE_REGISTER_REQ: while (tvb_reported_length_remaining(tvb, offset) >= 3) { proto_tree_add_item(pn532_tree, hf_pn532_register_address, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(pn532_tree, hf_pn532_register_value, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case WRITE_REGISTER_RSP: /* No parameters */ break; case READ_GPIO_REQ: /* No parameters */ break; case READ_GPIO_RSP: proto_tree_add_item(pn532_tree, hf_pn532_gpio_p3, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gpio_p7, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gpio_ioi1, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case WRITE_GPIO_REQ: proto_tree_add_item(pn532_tree, hf_pn532_gpio_p3, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gpio_p7, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case WRITE_GPIO_RSP: /* No parameters */ break; case SET_SERIAL_BAUD_RATE_REQ: proto_tree_add_item(pn532_tree, hf_pn532_baudrate, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case SET_SERIAL_BAUD_RATE_RSP: /* No parameters */ break; case SET_PARAMETERS_REQ: sub_item = proto_tree_add_item(pn532_tree, hf_pn532_flags, tvb, offset, 1, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_flags); proto_tree_add_item(sub_tree, hf_pn532_flags_rfu_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_remove_preamble_and_postamble, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_iso_14443_4_picc_emulation, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_automatic_rats, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_rfu_3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_automatic_atr_res, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_did_used, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_flags_nad_used, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case SET_PARAMETERS_RSP: /* No parameters */ break; case SAM_CONFIGURATION_REQ: /* Secure Application/Security Access Module Configuration Request */ proto_tree_add_item(pn532_tree, hf_pn532_sam_mode, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_sam_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (tvb_reported_length_remaining(tvb, offset) >= 1) { proto_tree_add_item(pn532_tree, hf_pn532_sam_irq, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case SAM_CONFIGURATION_RSP: /* No parameters */ break; case POWER_DOWN_REQ: sub_item = proto_tree_add_item(pn532_tree, hf_pn532_wakeup_enable, tvb, offset, 1, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_wakeup_enable); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_i2c, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_gpio, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_spi, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_hsu, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_rf_level_detector, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_rfu_2, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_int_1, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_wakeup_enable_int_0, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (tvb_reported_length_remaining(tvb, offset) >= 1) { proto_tree_add_item(pn532_tree, hf_pn532_generate_irq, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case POWER_DOWN_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case RF_CONFIGURATION_REQ: proto_tree_add_item(pn532_tree, hf_pn532_config, tvb, offset, 1, ENC_BIG_ENDIAN); config = tvb_get_uint8(tvb, offset); offset += 1; switch(config) { case 0x01: proto_tree_add_item(pn532_tree, hf_pn532_config_not_used, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_config_auto_rfca, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_config_rf, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case 0x02: proto_tree_add_item(pn532_tree, hf_pn532_config_rfu, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_atr_res_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_timeout_non_dep, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case 0x04: proto_tree_add_item(pn532_tree, hf_pn532_config_max_rty_com, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case 0x05: proto_tree_add_item(pn532_tree, hf_pn532_config_max_rty_atr, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_max_rty_psl, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_max_rty_passive_activation, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case 0x0A: case 0x0B: proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_rf_cfg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_gs_n_on, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_cw_gs_p, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_mod_gs_p, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_demon_rf_on, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_rx_threshold, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_demon_rf_off, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_gs_n_off, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (config == 0x0A) { proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_mod_width, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_mif_nfc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_tx_bit_phase, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case 0x0C: proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_gs_n_on, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_mod_gs_p, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_config_ciu_rx_threshold, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case 0x0D: sub_item = proto_tree_add_item(pn532_tree, hf_pn532_config_212_kbps, tvb, offset, 3, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_config_212_kbps); proto_tree_add_item(sub_tree, hf_pn532_config_ciu_rx_threshold, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mod_width, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mif_nfc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; sub_item = proto_tree_add_item(pn532_tree, hf_pn532_config_424_kbps, tvb, offset, 3, ENC_BIG_ENDIAN); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_config_424_kbps); proto_tree_add_item(sub_tree, hf_pn532_config_ciu_rx_threshold, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mod_width, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mif_nfc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; sub_item = proto_tree_add_item(pn532_tree, hf_pn532_config_848_kbps, tvb, offset, 3, ENC_BIG_ENDIAN); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_config_848_kbps); proto_tree_add_item(sub_tree, hf_pn532_config_ciu_rx_threshold, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mod_width, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_config_ciu_mif_nfc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; default: proto_tree_add_expert(pn532_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_captured_length_remaining(tvb, offset)); offset += tvb_captured_length_remaining(tvb, offset); } break; case RF_CONFIGURATION_RSP: /* No parameters */ break; case RF_REGULATION_TEST_REQ: proto_tree_add_item(pn532_tree, hf_pn532_txmode_nu_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_txmode_tx_speed, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_txmode_nu_2_3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_txmode_tx_framing, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case RF_REGULATION_TEST_RSP: /* This should never happened */ break; case IN_JUMP_FOR_DEP_REQ: case IN_JUMP_FOR_PSL_REQ: proto_tree_add_item(pn532_tree, hf_pn532_communication_mode, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_activation_baudrate, tvb, offset, 1, ENC_BIG_ENDIAN); baudrate = tvb_get_uint8(tvb, offset); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_jump_next_not_used_3_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_jump_next_passive_initiator_data, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_jump_next_gi, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_jump_next_nfc_id_3i, tvb, offset, 1, ENC_BIG_ENDIAN); value = tvb_get_uint8(tvb, offset); offset += 1; if (value & 0x01) { if (baudrate == 0x00) { proto_tree_add_item(pn532_tree, hf_pn532_passive_initiator_data, tvb, offset, 4, ENC_NA); offset += 4; } else { proto_tree_add_item(pn532_tree, hf_pn532_passive_initiator_data, tvb, offset, 5, ENC_NA); offset += 5; } } if (value & 0x02) { proto_tree_add_item(pn532_tree, hf_pn532_nfc_id_3i, tvb, offset, 10, ENC_NA); offset += 10; } if (value & 0x04) { proto_tree_add_item(pn532_tree, hf_pn532_gi, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_JUMP_FOR_DEP_RSP: case IN_JUMP_FOR_PSL_RSP: offset = dissect_status(pn532_tree, tvb, offset); proto_tree_add_item(pn532_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_nfc_id_3t, tvb, offset, 10, ENC_NA); offset += 10; proto_tree_add_item(pn532_tree, hf_pn532_did_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_send_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_receive_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_optional_parameters, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gt, tvb, offset, 10, ENC_NA); offset += 10; break; case IN_LIST_PASSIVE_TARGET_REQ: proto_tree_add_item(pn532_tree, hf_pn532_MaxTg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_BrTy, tvb, offset, 1, ENC_BIG_ENDIAN); baudrate = tvb_get_uint8(tvb, offset); offset += 1; if (command_data) command_data->data.baudrate = baudrate; switch(baudrate) { case ISO_IEC_14443A_106: while (tvb_reported_length_remaining(tvb, offset) >= 4) { proto_tree_add_item(pn532_tree, hf_pn532_14443a_uid, tvb, 6, 4, ENC_BIG_ENDIAN); offset += 4; } break; case FELICA_212: case FELICA_424: next_tvb = tvb_new_subset_length(tvb, offset, 5); call_dissector(sub_handles[SUB_FELICA], next_tvb, pinfo, tree); offset += 5; break; case ISO_IEC_14443B_106: proto_tree_add_item(pn532_tree, hf_pn532_afi, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (tvb_reported_length_remaining(tvb, offset) >= 1) { proto_tree_add_item(pn532_tree, hf_pn532_polling_method, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case JEWEL_14443A_106: /* No parameter */ break; } break; case IN_LIST_PASSIVE_TARGET_RSP: proto_tree_add_item(pn532_tree, hf_pn532_NbTg, tvb, offset, 1, ENC_BIG_ENDIAN); value = tvb_get_uint8(tvb, offset); offset += 1; if (command_data && command_data->command == IN_LIST_PASSIVE_TARGET_REQ) baudrate = command_data->data.baudrate; else baudrate = -1; /* Force unknown baudrate... */ sub_item = proto_tree_add_uint(pn532_tree, hf_pn532_BrTy, tvb, offset, tvb_captured_length_remaining(tvb, offset), baudrate); proto_item_set_generated(sub_item); for (item_value = 1; item_value <= value; item_value += 1) { sub_item = proto_tree_add_item(pn532_tree, hf_pn532_target, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_target); proto_item_append_text(sub_item, " %u/%u", item_value, value); proto_tree_add_item(sub_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; switch (baudrate) { case ISO_IEC_14443A_106: proto_tree_add_item(sub_tree, hf_pn532_sens_res, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(sub_tree, hf_pn532_sel_res, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_nfc_id_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_nfc_id_1, tvb, offset, length, ENC_NA); offset += length; if (tvb_reported_length_remaining(tvb, offset)) { proto_tree_add_item(sub_tree, hf_pn532_ats_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_ats, tvb, offset, length - 1, ENC_NA); offset += length - 1; } break; case FELICA_212: case FELICA_424: proto_tree_add_item(sub_tree, hf_pn532_pol_res_length, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_response_code, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_nfc_id_2t, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(sub_tree, hf_pn532_pad, tvb, offset, 8, ENC_NA); offset += 8; if (tvb_reported_length_remaining(tvb, offset) >= 2) { proto_tree_add_item(sub_tree, hf_pn532_syst_code, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } else if (tvb_reported_length_remaining(tvb, offset) == 1) { proto_tree_add_expert(pn532_tree, pinfo, &ei_unexpected_data, tvb, offset, 1); offset += 1; } break; case ISO_IEC_14443B_106: proto_tree_add_item(sub_tree, hf_pn532_atqb_response, tvb, offset, 12, ENC_NA); offset += 12; proto_tree_add_item(sub_tree, hf_pn532_attrib_res_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_attrib_res, tvb, offset, length, ENC_NA); offset += length; break; case JEWEL_14443A_106: proto_tree_add_item(sub_tree, hf_pn532_sens_res, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(sub_tree, hf_pn532_jewel_id, tvb, offset, 4, ENC_NA); offset += 4; break; default: proto_tree_add_expert(pn532_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_captured_length_remaining(tvb, offset)); offset += tvb_captured_length_remaining(tvb, offset); } } break; case IN_ATR_REQ: proto_tree_add_item(pn532_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_next_not_used_2_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_next_gi, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_next_nfc_id_3i, tvb, offset, 1, ENC_BIG_ENDIAN); value = tvb_get_uint8(tvb, offset); offset += 1; if (value & 0x01) { proto_tree_add_item(pn532_tree, hf_pn532_nfc_id_3i, tvb, offset, 10, ENC_NA); offset += 10; } if (value & 0x02) { proto_tree_add_item(pn532_tree, hf_pn532_gi, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_ATR_RSP: offset = dissect_status(pn532_tree, tvb, offset); proto_tree_add_item(pn532_tree, hf_pn532_nfc_id_3t, tvb, offset, 10, ENC_NA); offset += 10; proto_tree_add_item(pn532_tree, hf_pn532_did_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_send_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_receive_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_optional_parameters, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gt, tvb, offset, 10, ENC_NA); offset += 10; break; case IN_PSL_REQ: proto_tree_add_item(pn532_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_brit, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_brti, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case IN_PSL_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case IN_DATA_EXCHANGE_REQ: proto_tree_add_item(pn532_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (sub_selected == SUB_MIFARE) { /* Seems to work for payloads from LibNFC's "nfc-mfultralight" command */ next_tvb = tvb_new_subset_remaining(tvb, offset); call_dissector(sub_handles[SUB_MIFARE], next_tvb, pinfo, tree); offset += tvb_captured_length_remaining(tvb, offset); } else if (sub_selected == SUB_ISO7816) { /* Seems to work for EMV payloads sent using TAMA shell scripts */ next_tvb = tvb_new_subset_remaining(tvb, offset); /* Need to do this, for the ISO7816 dissector to work, it seems */ pinfo->p2p_dir = P2P_DIR_SENT; call_dissector(sub_handles[SUB_ISO7816], next_tvb, pinfo, tree); offset += tvb_captured_length_remaining(tvb, offset); } else { proto_tree_add_item(pn532_tree, hf_pn532_data_out, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_DATA_EXCHANGE_RSP: offset = dissect_status(pn532_tree, tvb, offset); if (sub_selected == SUB_ISO7816) { /* Seems to work for identifying responses to Select File requests... Might need to investigate "Status Words", later */ next_tvb = tvb_new_subset_remaining(tvb, offset); /* Need to do this, for the ISO7816 dissector to work, it seems */ pinfo->p2p_dir = P2P_DIR_RECV; call_dissector(sub_handles[SUB_ISO7816], next_tvb, pinfo, tree); offset += tvb_captured_length_remaining(tvb, offset); } else { proto_tree_add_item(pn532_tree, hf_pn532_data_in, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_COMMUNICATE_THRU_REQ: if (sub_selected == SUB_FELICA) { /* Alleged payload length for FeliCa */ proto_tree_add_item(pn532_tree, hf_pn532_payload_length, tvb, 2, 1, ENC_BIG_ENDIAN); /* Attempt to dissect FeliCa payloads */ next_tvb = tvb_new_subset_remaining(tvb, 3); call_dissector(sub_handles[SUB_FELICA], next_tvb, pinfo, tree); } else { /* NOTE: MiFare transmissions may identify as spurious FeliCa packets, in some cases */ proto_tree_add_item(pn532_tree, hf_pn532_data_out, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_COMMUNICATE_THRU_RSP: offset = dissect_status(pn532_tree, tvb, offset); if (sub_selected == SUB_FELICA) { /* Alleged payload length for FeliCa */ proto_tree_add_item(pn532_tree, hf_pn532_payload_length, tvb, 3, 1, ENC_BIG_ENDIAN); /* Attempt to dissect FeliCa payloads */ next_tvb = tvb_new_subset_remaining(tvb, 4); call_dissector(sub_handles[SUB_FELICA], next_tvb, pinfo, tree); } else { /* NOTE: MiFare transmissions may identify as spurious FeliCa packets, in some cases */ proto_tree_add_item(pn532_tree, hf_pn532_data_in, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); } break; case IN_DESELECT_REQ: case IN_RELEASE_REQ: case IN_SELECT_REQ: proto_tree_add_item(pn532_tree, hf_pn532_Tg, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; case IN_DESELECT_RSP: case IN_RELEASE_RSP: case IN_SELECT_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case IN_AUTO_POLL_REQ: proto_tree_add_item(pn532_tree, hf_pn532_poll_number, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_period, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* This one is mandatory */ sub_item = proto_tree_add_item(pn532_tree, hf_pn532_autopoll_type, tvb, offset, 1, ENC_BIG_ENDIAN); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_autopoll_type); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_act, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_dep, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_tcl, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_mf_fe, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_not_used, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_baudrate_and_modulation, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; while (tvb_reported_length_remaining(tvb, offset) >= 1) { sub_item = proto_tree_add_item(pn532_tree, hf_pn532_autopoll_type, tvb, offset, 1, ENC_BIG_ENDIAN); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_autopoll_type); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_act, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_dep, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_tcl, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_mf_fe, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_not_used, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pn532_autopoll_type_baudrate_and_modulation, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case IN_AUTO_POLL_RSP: proto_tree_add_item(pn532_tree, hf_pn532_NbTg, tvb, offset, 1, ENC_BIG_ENDIAN); value = tvb_get_uint8(tvb, offset); offset += 1; for (item_value = 1; item_value <= value; item_value += 1) { sub_item = proto_tree_add_item(pn532_tree, hf_pn532_target, tvb, offset, 4, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_target); proto_item_append_text(sub_item, " %u/%u", item_value, value); next_item = proto_tree_add_item(sub_tree, hf_pn532_autopoll_type, tvb, offset, 1, ENC_BIG_ENDIAN); next_tree = proto_item_add_subtree(next_item, ett_pn532_autopoll_type); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_act, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_dep, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_tcl, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_mf_fe, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_not_used, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(next_tree, hf_pn532_autopoll_type_baudrate_and_modulation, tvb, offset, 1, ENC_BIG_ENDIAN); type = tvb_get_uint8(tvb, offset); offset += 1; proto_tree_add_item(sub_tree, hf_pn532_target_data_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); proto_item_set_len(sub_item, length + 4); offset += 1; if (type & 0x40) { /* DEP */ if (type & 0x80) { /* Passive mode */ proto_tree_add_item(pn532_tree, hf_pn532_target_data, tvb, offset, length, ENC_NA); offset += length; } proto_tree_add_item(pn532_tree, hf_pn532_nfc_id_3t, tvb, offset, 10, ENC_NA); offset += 10; proto_tree_add_item(pn532_tree, hf_pn532_did_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_send_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_receive_bit_rate_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_optional_parameters, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_gt, tvb, offset, 10, ENC_NA); offset += 10; } else { /* non-DEP */ proto_tree_add_item(pn532_tree, hf_pn532_target_data, tvb, offset, length, ENC_NA); offset += length; } } break; case TG_INIT_AS_TARGET_REQ: proto_tree_add_item(pn532_tree, hf_pn532_mode_nu_3_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_picc_only, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_dep_only, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_passive_only, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; sub_item = proto_tree_add_item(pn532_tree, hf_pn532_mode_mifare_parameters, tvb, offset, 6, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_mifare_parameters); proto_tree_add_item(sub_tree, hf_pn532_mode_mifare_parameters_sens_res, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(sub_tree, hf_pn532_mode_mifare_parameters_nfc_id_1t, tvb, offset, 3, ENC_NA); offset += 3; proto_tree_add_item(sub_tree, hf_pn532_mode_mifare_parameters_sel_res, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; sub_item = proto_tree_add_item(pn532_tree, hf_pn532_mode_felica_parameters, tvb, offset, 18, ENC_NA); sub_tree = proto_item_add_subtree(sub_item, ett_pn532_felica_parameters); proto_tree_add_item(sub_tree, hf_pn532_mode_felica_parameters_nfc_id_2t, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(sub_tree, hf_pn532_mode_felica_parameters_pad, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(sub_tree, hf_pn532_mode_felica_parameters_system_code, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(pn532_tree, hf_pn532_mode_nfc_id_3t, tvb, offset, 10, ENC_NA); offset += 10; proto_tree_add_item(pn532_tree, hf_pn532_mode_gt_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); offset += 1; if (length > 0) { proto_tree_add_item(pn532_tree, hf_pn532_mode_gt, tvb, offset, length, ENC_NA); offset += length; } proto_tree_add_item(pn532_tree, hf_pn532_mode_tk_length, tvb, offset, 1, ENC_BIG_ENDIAN); length = tvb_get_uint8(tvb, offset); offset += 1; if (length > 0) { proto_tree_add_item(pn532_tree, hf_pn532_mode_tk, tvb, offset, length, ENC_NA); offset += length; } break; case TG_INIT_AS_TARGET_RSP: proto_tree_add_item(pn532_tree, hf_pn532_mode_nu_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_baudrate, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_iso_iec_14443_4_picc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_dep, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_mode_framing_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_initiator_command, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_SET_GENERAL_BYTES_REQ: proto_tree_add_item(pn532_tree, hf_pn532_gt, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_SET_GENERAL_BYTES_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case TG_GET_DATA_REQ: /* No parameters */ break; case TG_GET_DATA_RSP: offset = dissect_status(pn532_tree, tvb, offset); proto_tree_add_item(pn532_tree, hf_pn532_data_in, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_SET_DATA_REQ: case TG_SET_METADATA_REQ: proto_tree_add_item(pn532_tree, hf_pn532_data_out, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_SET_DATA_RSP: case TG_SET_METADATA_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case TG_GET_INITIATOR_CMD_REQ: /* No parameters */ break; case TG_GET_INITIATOR_CMD_RSP: offset = dissect_status(pn532_tree, tvb, offset); proto_tree_add_item(pn532_tree, hf_pn532_initiator_command, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_RESP_TO_INITIATOR_REQ: proto_tree_add_item(pn532_tree, hf_pn532_tg_response, tvb, offset, tvb_captured_length_remaining(tvb, offset), ENC_NA); offset += tvb_captured_length_remaining(tvb, offset); break; case TG_RESP_TO_INITIATOR_RSP: offset = dissect_status(pn532_tree, tvb, offset); break; case TG_GET_TARGET_STATUS_REQ: /* No parameters */ break; case TG_GET_TARGET_STATUS_RSP: proto_tree_add_item(pn532_tree, hf_pn532_state, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(pn532_tree, hf_pn532_brit_nu_7, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_brit_speed_initiator, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_brit_nu_3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(pn532_tree, hf_pn532_brit_speed_target, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; break; default: proto_tree_add_expert(pn532_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_captured_length_remaining(tvb, offset)); offset += tvb_captured_length_remaining(tvb, offset); break; } if (tvb_reported_length_remaining(tvb, offset) > 0) { proto_tree_add_expert(pn532_tree, pinfo, &ei_unexpected_data, tvb, offset, tvb_captured_length_remaining(tvb, offset)); offset += tvb_captured_length_remaining(tvb, offset); } return offset; } void proto_register_pn532(void) { module_t *pref_mod; expert_module_t *expert_pn532; static hf_register_info hf[] = { {&hf_pn532_command, {"Command", "pn532.cmd", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &pn532_commands_ext, 0x0, NULL, HFILL}}, {&hf_pn532_direction, {"Direction", "pn532.tfi", FT_UINT8, BASE_HEX, VALS(pn532_directions), 0x0, NULL, HFILL}}, {&hf_pn532_status_nad_present, {"NAD Present", "pn532.status.nad_present", FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_status_mi, {"MI", "pn532.status.mi", FT_UINT8, BASE_HEX, NULL, 0x40, NULL, HFILL}}, {&hf_pn532_status_error_code, {"Error Code", "pn532.status.error_code", FT_UINT8, BASE_HEX, VALS(pn532_errors), 0x3F, NULL, HFILL}}, {&hf_pn532_error, {"Last Error", "pn532.last_error", FT_UINT8, BASE_HEX, VALS(pn532_errors), 0x00, NULL, HFILL}}, {&hf_pn532_BrTy, {"Baud Rate and Modulation", "pn532.BrTy", FT_UINT8, BASE_HEX, VALS(pn532_brtypes), 0x0, NULL, HFILL}}, {&hf_pn532_MaxTg, {"Maximum Number of Targets", "pn532.MaxTg", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_Tg, {"Logical Target Number", "pn532.Tg", FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_NbTg, {"Number of Targets", "pn532.NbTg", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_payload_length, {"Payload Length", "pn532.payload.length", FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_ic_version, {"Integrated Circuit Version", "pn532.ic.version", FT_UINT8, BASE_HEX, NULL, 0x0, "Version of the IC. For PN532, the contain of this byte is 0x32", HFILL}}, {&hf_pn532_fw_version, {"Firmware Version", "pn532.fw.version", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_fw_revision, {"Firmware Revision", "pn532.fw.revision", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_fw_support, {"Firmware Support", "pn532.fw.support", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_fw_support_rfu, {"RFU", "pn532.fw.support.rfu", FT_UINT8, BASE_HEX, NULL, 0xF8, NULL, HFILL}}, {&hf_pn532_fw_support_iso_018092, {"ISO 018092", "pn532.fw.support.iso_018092", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}}, {&hf_pn532_fw_support_iso_iec_14443_type_b, {"ISO/IEC 14443 Type B", "pn532.fw.support.iso_iec_14443_type_b", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}}, {&hf_pn532_fw_support_iso_iec_14443_type_a, {"ISO/IEC 14443 Type A", "pn532.fw.support.iso_iec_14443_type_a", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}}, {&hf_pn532_14443a_uid, {"ISO/IEC 14443-A UID", "pn532.iso.14443a.uid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_sam_mode, {"SAM Mode", "pn532.sam.mode", FT_UINT8, BASE_HEX, VALS(pn532_sam_modes), 0x0, NULL, HFILL}}, {&hf_pn532_sam_timeout, {"SAM Timeout", "pn532.sam.timeout", FT_UINT8, BASE_CUSTOM, CF_FUNC(sam_timeout_base), 0x0, NULL, HFILL}}, {&hf_pn532_sam_irq, {"SAM IRQ", "pn532.sam.irq", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_pn532_config, {"Config Item", "pn532.config", FT_UINT8, BASE_HEX, VALS(pn532_config_vals), 0x0, NULL, HFILL}}, {&hf_pn532_config_not_used, {"Not used", "pn532.config.not_used", FT_UINT8, BASE_HEX, NULL, 0xFC, NULL, HFILL}}, {&hf_pn532_config_auto_rfca, {"Auto RFCA", "pn532.config.auto_rfca", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}}, {&hf_pn532_config_rf, {"RF", "pn532.config.rf", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}}, {&hf_pn532_config_rfu, {"RFU", "pn532.config.rfu", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_atr_res_timeout, {"ATR Res Timeout", "pn532.config.atr_res_timeout", FT_UINT8, BASE_HEX, VALS(pn532_config_timeout_vals), 0x00, NULL, HFILL}}, {&hf_pn532_config_timeout_non_dep, {"TimeOut during non-DEP communications", "pn532.config.timeout_non_dep", FT_UINT8, BASE_HEX, VALS(pn532_config_timeout_vals), 0x00, NULL, HFILL}}, {&hf_pn532_config_max_rty_com, {"Max Retry COM", "pn532.config.max_rty_com", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_max_rty_atr, {"Max Retry ATR", "pn532.config.max_rty_atr", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_max_rty_psl, {"Max Retry PSL", "pn532.config.max_rty_psl", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_max_rty_passive_activation, {"Max Retry Passive Activation", "pn532.config.max_rty_passive_activation", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_afi, {"AFI", "pn532.afi", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_polling_method, {"Polling Method", "pn532.polling_method", FT_UINT8, BASE_DEC, VALS(pn532_polling_method_vals), 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_rf_cfg, {"CIU RF Cfg", "pn532.ciu_rf_cfg", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_gs_n_on, {"CIU GsN On", "pn532.ciu_gs_n_on", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_gs_n_off, {"CIU GsN Off", "pn532.ciu_gs_n_off", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_cw_gs_p, {"CIU CW GsP", "pn532.ciu_cw_gs_p", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_demon_rf_on, {"CIU Demon when RF is On", "pn532.ciu_demon_rf_on", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_demon_rf_off, {"CIU Demon when RF is Off", "pn532.ciu_demon_rf_off", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_rx_threshold, {"CIU RX Threshold", "pn532.ciu_rx_threshold", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_mod_width, {"CIU Mod Width", "pn532.ciu_mod_width", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_mod_gs_p, {"CIU Mod GsP", "pn532.ciu_mod_gs_p", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_mif_nfc, {"CIU Mif NFC", "pn532.ciu_mif_nfc", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_ciu_tx_bit_phase, {"CIU TX Bit Phase", "pn532.ciu_tx_bit_phase", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_212_kbps, {"212 kbps settings", "pn532.212_kbps", FT_UINT24, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_424_kbps, {"424 kbps settings", "pn532.424_kbps", FT_UINT24, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_config_848_kbps, {"848 kbps settings", "pn532.848_kbps", FT_UINT24, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_state, {"State", "pn532.state", FT_UINT8, BASE_HEX, VALS(pn532_state_vals), 0x00, NULL, HFILL}}, {&hf_pn532_brit_nu_7, {"Not Used", "pn532.brit.not_used.7", FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_brit_speed_initiator, {"Speed Initiator", "pn532.brit.speed_initiator", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x70, NULL, HFILL}}, {&hf_pn532_brit_nu_3, {"Not Used", "pn532.brit.not_used.3", FT_UINT8, BASE_HEX, NULL, 0x08, NULL, HFILL}}, {&hf_pn532_brit_speed_target, {"Speed Target", "pn532.brit.speed_target", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x07, NULL, HFILL}}, {&hf_pn532_tg_response, {"TG Response", "pn532.tg_response", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_initiator_command, {"Initiator Command", "pn532.initiator_command", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_data_out, {"Data Out", "pn532.data_out", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_data_in, {"Data In", "pn532.data_in", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_gt, {"Gt", "pn532.gt", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_gi, {"Gi", "pn532.gi", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_nu_3_7, {"Not Used", "pn532.mode.not_used.3_7", FT_UINT8, BASE_HEX, NULL, 0xF8, NULL, HFILL}}, {&hf_pn532_mode_picc_only, {"PICC Only", "pn532.mode.picc_only", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}}, {&hf_pn532_mode_dep_only, {"DEP Only", "pn532.mode.dep_only", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}}, {&hf_pn532_mode_passive_only, {"Passive Only", "pn532.mode.passive_only", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}}, {&hf_pn532_mode_mifare_parameters, {"Mifare Parameters", "pn532.mode.mifare_parameters", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_mifare_parameters_sens_res, {"SENS RES", "pn532.mode.mifare_parameters.sens_res", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_mifare_parameters_nfc_id_1t, {"NFC ID 1t", "pn532.mode.mifare_parameters.nfc_id_1t", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_mifare_parameters_sel_res, {"SEL RES", "pn532.mode.mifare_parameters.sel_res", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_felica_parameters, {"FeliCA Parameters", "pn532.mode.felica_parameters", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_felica_parameters_nfc_id_2t, {"NFC ID 2t", "pn532.mode.felica_parameters.nfc_id_2t", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_felica_parameters_pad, {"Pad", "pn532.mode.felica_parameters.pad", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_felica_parameters_system_code, {"System Code", "pn532.mode.felica_parameters.system_code", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_nfc_id_3t, {"NFC ID 3t", "pn532.mode.nfc_id_3t", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_gt, {"Gt", "pn532.mode.gt", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_gt_length, {"Gt Length", "pn532.mode.gt.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_tk, {"Tk", "pn532.mode.tk", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_tk_length, {"Tk Length", "pn532.mode.tk.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_mode_nu_7, {"Not Used", "pn532.mode.not_used.7", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_mode_baudrate, {"Baudrate", "pn532.mode.baudrate", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x70, NULL, HFILL}}, {&hf_pn532_mode_iso_iec_14443_4_picc, {"ISO/IEC 14443-4 PICC", "pn532.mode.iso_iec_14443_4_picc", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}}, {&hf_pn532_mode_dep, {"DEP", "pn532.mode.dep", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}}, {&hf_pn532_mode_framing_type, {"Framing Type", "pn532.mode.framing_type", FT_UINT8, BASE_HEX, VALS(pn532_framing_type_vals), 0x03, NULL, HFILL}}, {&hf_pn532_brit, {"BRit", "pn532.brit", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x00, NULL, HFILL}}, {&hf_pn532_brti, {"BRti", "pn532.brti", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x00, NULL, HFILL}}, {&hf_pn532_txmode_nu_7, {"Not Used", "pn532.txmode.not_used.7", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_txmode_tx_speed, {"Tx Speed", "pn532.txmode.txspeed", FT_UINT8, BASE_HEX, VALS(pn532_txspeed_vals), 0x70, NULL, HFILL}}, {&hf_pn532_txmode_nu_2_3, {"Not Used", "pn532.txmode.not_used.2_3", FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL}}, {&hf_pn532_txmode_tx_framing, {"Tx Framing", "pn532.txmode.tx_framing", FT_UINT8, BASE_HEX, VALS(pn532_txframing_vals), 0x03, NULL, HFILL}}, {&hf_pn532_baudrate, {"Baudrate", "pn532.baudrate", FT_UINT8, BASE_HEX, VALS(pn532_baudrate_vals), 0x00, NULL, HFILL}}, {&hf_pn532_flags, {"Flags", "pn532.flags", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_flags_rfu_7, {"RFU", "pn532.flags.rfu.7", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_flags_remove_preamble_and_postamble, {"Remove Preamble and Postamble", "pn532.flags.remove_preamble_and_postamble", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL}}, {&hf_pn532_flags_iso_14443_4_picc_emulation, {"ISO 14443-4 PICC Emulation", "pn532.flags.iso_14443_4_picc_emulation", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL}}, {&hf_pn532_flags_automatic_rats, {"Automatic RATS", "pn532.flags.automatic_rats", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL}}, {&hf_pn532_flags_rfu_3, {"RFU", "pn532.flags.rfu.3", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}}, {&hf_pn532_flags_automatic_atr_res, {"Automatic ATR RES", "pn532.flags.automatic_atr_res", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}}, {&hf_pn532_flags_did_used, {"DID Used", "pn532.flags.did_used", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}}, {&hf_pn532_flags_nad_used, {"NAD Used", "pn532.flags.nad_used", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}}, {&hf_pn532_wakeup_enable, {"Wakeup Enable", "pn532.wakeup_enable", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_target, {"Target", "pn532.target", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_generate_irq, {"Generate IRQ", "pn532.generate_irq", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_register_address, {"Register Address", "pn532.register.address", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_register_value, {"Register Value", "pn532.register.value", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_field, {"Field", "pn532.field", FT_BOOLEAN, BASE_NONE, TFS(&tfs_present_not_present), 0x00, "Field indicates if an external RF field is present and detected by the PN532", HFILL}}, {&hf_pn532_brrx, {"Baudrate Rx", "pn532.brrx", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x00, NULL, HFILL}}, {&hf_pn532_brtx, {"Baudrate Tx", "pn532.brtx", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x00, NULL, HFILL}}, {&hf_pn532_type, {"Type", "pn532.type", FT_UINT8, BASE_HEX, VALS(pn532_type_vals), 0x00, NULL, HFILL}}, {&hf_pn532_sam_status, {"SAM Status", "pn532.sam.status", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_wakeup_enable_i2c, {"I2C", "pn532.wakeup_enable.i2c", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_wakeup_enable_gpio, {"GPIO", "pn532.wakeup_enable.gpio", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL}}, {&hf_pn532_wakeup_enable_spi, {"SPI", "pn532.wakeup_enable.spi", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL}}, {&hf_pn532_wakeup_enable_hsu, {"HSU", "pn532.wakeup_enable.hsu", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL}}, {&hf_pn532_wakeup_enable_rf_level_detector, {"RF Level Detector", "pn532.wakeup_enable.rf_level_detector", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}}, {&hf_pn532_wakeup_enable_rfu_2, {"RFU", "pn532.wakeup_enable.rfu_2", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}}, {&hf_pn532_wakeup_enable_int_1, {"I2C", "pn532.wakeup_enable.int.1", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}}, {&hf_pn532_wakeup_enable_int_0, {"I2C", "pn532.wakeup_enable.int.0", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}}, {&hf_pn532_gpio_ioi1, {"GPIO IOI1", "pn532.gpio.ioi1", FT_UINT8, BASE_HEX, NULL, 0xFF, NULL, HFILL}}, {&hf_pn532_gpio_p3, {"GPIO P3", "pn532.gpio.p3", FT_UINT8, BASE_HEX, NULL, 0xFF, NULL, HFILL}}, {&hf_pn532_gpio_p7, {"GPIO P7", "pn532.gpio.p7", FT_UINT8, BASE_HEX, NULL, 0xFF, NULL, HFILL}}, {&hf_pn532_poll_number, {"Poll Number", "pn532.poll_number", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_period, {"Period", "pn532.period", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_autopoll_type, {"Type", "pn532.autopoll_type", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_target_data, {"Target Data", "pn532.target_data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_target_data_length, {"Target Data Length", "pn532.target_data.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_autopoll_type_act, {"Active Mode", "pn532.autopoll_type.active", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_autopoll_type_dep, {"DEP", "pn532.autopoll_type.dep", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL}}, {&hf_pn532_autopoll_type_tcl, {"TCL", "pn532.autopoll_type.tcl", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL}}, {&hf_pn532_autopoll_type_mf_fe, {"Mf_Fe", "pn532.autopoll_type.mf_fe", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL}}, {&hf_pn532_autopoll_type_not_used, {"Not used", "pn532.autopoll_type.not_used", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}}, {&hf_pn532_autopoll_type_baudrate_and_modulation, {"Baudrate and Modulation", "pn532.autopoll_type.baudrate_and_modulation", FT_UINT8, BASE_HEX, VALS(pn532_brtypes), 0x07, NULL, HFILL}}, {&hf_pn532_nfc_id_3i, {"NFC ID 3i", "pn532.nfc_id_3i", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_next_not_used_2_7, {"Not Used", "pn532.next.not_used.2_7", FT_BOOLEAN, 8, NULL, 0xFC, NULL, HFILL}}, {&hf_pn532_next_gi, {"Gi", "pn532.next.gi", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL}}, {&hf_pn532_next_nfc_id_3i, {"NFC ID 3i", "pn532.next.nfc_id_3i", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL}}, {&hf_pn532_nfc_id_3t, {"NFC ID 3t", "pn532.nfc_id_3t", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_communication_mode, {"Communication Mode", "pn532.communication_mode", FT_UINT8, BASE_HEX, VALS(pn532_communication_mode_vals), 0x00, NULL, HFILL}}, {&hf_pn532_activation_baudrate, {"Baudrate", "pn532.activation_baudrate", FT_UINT8, BASE_HEX, VALS(pn532_speed_vals), 0x70, NULL, HFILL}}, {&hf_pn532_jump_next_not_used_3_7, {"Not Used", "pn532.jump_next.not_used.3_7", FT_BOOLEAN, 8, NULL, 0xF8, NULL, HFILL}}, {&hf_pn532_jump_next_gi, {"Gi", "pn532.jump_next.gi", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, NULL, HFILL}}, {&hf_pn532_jump_next_nfc_id_3i, {"NFC ID 3i", "pn532.jump_next.nfc_id_3i", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL}}, {&hf_pn532_jump_next_passive_initiator_data, {"Passive Initiator Data", "pn532.jump_next.passive_initiator_data", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL}}, {&hf_pn532_passive_initiator_data, {"Passive Initiator Data", "pn532.passive_initiator_data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_did_target, {"DID Target", "pn532.did_target", FT_UINT8, BASE_HEX_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_send_bit_rate_target, {"Send Bit Rate Target", "pn532.send_bit_rate_target", FT_UINT8, BASE_DEC_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_receive_bit_rate_target, {"Receive Bit Rate Target", "pn532.receive_bit_rate_target", FT_UINT8, BASE_DEC_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_timeout, {"Timeout", "pn532.timeout", FT_UINT8, BASE_DEC_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_optional_parameters, {"Optional Parameters", "pn532.optional_parameters", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_test_number, {"Test Number", "pn532.test_number", FT_UINT8, BASE_HEX, VALS(pn532_test_number_vals), 0x00, NULL, HFILL}}, {&hf_pn532_parameters, {"Parameters", "pn532.diagnose_parameters", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_parameters_length, {"Parameters Length", "pn532.diagnose_parameters.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_sens_res, {"SENS RES", "pn532.sens_res", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_sel_res, {"SEL RES", "pn532.sel_res", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_nfc_id_length, {"NFC ID Length", "pn532.nfc_id_length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_nfc_id_1, {"NFC ID 1", "pn532.nfc_id_1", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_ats_length, {"ATS Length", "pn532.ats_length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_ats, {"ATS", "pn532.ats", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_pol_res_length, {"POL RES Length", "pn532.pol_res_length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_response_code, {"Response Code", "pn532.response_code", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_nfc_id_2t, {"NFC ID 2t", "pn532.nfc_id_2t", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_pad, {"Pad", "pn532.pad", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_syst_code, {"Syst Code", "pn532.syst_code", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_atqb_response, {"ATQB Response", "pn532.atqb_response", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_attrib_res_length, {"Attrib RES Length", "pn532.attrib_res_length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_attrib_res, {"Attrib RES", "pn532.attrib_res", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_jewel_id, {"Jewel ID", "pn532.jewel_id", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_response_for, { "Response for", "pn532.response_for", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_diagnose_baudrate, {"Diagnose Baudrate", "pn532.diagnose_baudrate", FT_UINT8, BASE_HEX, VALS(pn532_diagnose_baudrate_vals), 0x00, NULL, HFILL}}, {&hf_pn532_reply_delay, {"Reply Delay", "pn532.sam.reply_delay", FT_UINT8, BASE_CUSTOM, CF_FUNC(replay_delay_base), 0x0, NULL, HFILL}}, {&hf_pn532_ciu_tx_mode, {"CIU Tx Mode", "pn532.ciu_tx_mode", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_ciu_rx_mode, {"CIU Rx Mode", "pn532.ciu_rx_mode", FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_diagnose_number_of_fails, {"Number of Fails", "pn532.number_of_fails", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL}}, {&hf_pn532_diagnose_result, {"Result", "pn532.result", FT_BOOLEAN, BASE_NONE, TFS(&tfs_ok_error), 0x00, NULL, HFILL}}, {&hf_pn532_andet_bot, {"Andet Bot", "pn532.andet.bot", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}}, {&hf_pn532_andet_up, {"Andet Up", "pn532.andet.up", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL}}, {&hf_pn532_andet_ith, {"Andet Ith", "pn532.andet.ith", FT_BOOLEAN, 8, NULL, 0x3E, NULL, HFILL}}, {&hf_pn532_andet_en, {"Andet En", "pn532.andet.en", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}} }; static ei_register_info ei[] = { { &ei_unknown_data, { "pn532.expert.unknown_data", PI_PROTOCOL, PI_NOTE, "Unknown data", EXPFILL }}, { &ei_unexpected_data, { "pn532.expert.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }}, }; static int *ett[] = { &ett_pn532, &ett_pn532_flags, &ett_pn532_target, &ett_pn532_fw_support, &ett_pn532_config_212_kbps, &ett_pn532_config_424_kbps, &ett_pn532_config_848_kbps, &ett_pn532_mifare_parameters, &ett_pn532_felica_parameters, &ett_pn532_wakeup_enable, &ett_pn532_autopoll_type }; static const enum_val_t sub_enum_vals[] = { { "data", "Data", SUB_DATA }, { "felica", "Sony FeliCa", SUB_FELICA }, { "mifare", "NXP MiFare", SUB_MIFARE }, { "iso7816", "ISO 7816", SUB_ISO7816 }, { NULL, NULL, 0 } }; command_info = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); proto_pn532 = proto_register_protocol("NXP PN532", "PN532", "pn532"); proto_register_field_array(proto_pn532, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_pn532 = expert_register_protocol(proto_pn532); expert_register_field_array(expert_pn532, ei, array_length(ei)); pref_mod = prefs_register_protocol(proto_pn532, NULL); prefs_register_static_text_preference(pref_mod, "version", "PN532 protocol version is based on: \"UM0701-02; PN532 User Manual\"", "Version of protocol supported by this dissector."); prefs_register_enum_preference(pref_mod, "prtype532", "Payload Type", "Protocol payload type", &sub_selected, sub_enum_vals, false); pn532_handle = register_dissector("pn532", dissect_pn532, proto_pn532); } /* Handler registration */ void proto_reg_handoff_pn532(void) { dissector_add_for_decode_as("usbccid.subdissector", pn532_handle); sub_handles[SUB_DATA] = find_dissector("data"); sub_handles[SUB_FELICA] = find_dissector_add_dependency("felica", proto_pn532); sub_handles[SUB_MIFARE] = find_dissector_add_dependency("mifare", proto_pn532); sub_handles[SUB_ISO7816] = find_dissector_add_dependency("iso7816", proto_pn532); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * ex: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */