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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
| commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
| tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-rfid-pn532.c | |
| parent | Initial commit. (diff) | |
| download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip | |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-rfid-pn532.c')
| -rw-r--r-- | epan/dissectors/packet-rfid-pn532.c | 2345 |
1 files changed, 2345 insertions, 0 deletions
diff --git a/epan/dissectors/packet-rfid-pn532.c b/epan/dissectors/packet-rfid-pn532.c new file mode 100644 index 00000000..d0426fbd --- /dev/null +++ b/epan/dissectors/packet-rfid-pn532.c @@ -0,0 +1,2345 @@ +/* packet-rfid-pn532.c + * Dissector for the NXP PN532 Protocol + * + * References: + * http://www.nxp.com/documents/user_manual/141520.pdf + * + * Copyright 2012, Tyson Key <tyson.key@gmail.com> + * Copyright 2013, Michal Labedzki for Tieto Corporation + * + * 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 <epan/expert.h> +#include "packet-usb.h" + +static int proto_pn532 = -1; + +static int hf_pn532_command = -1; +static int hf_pn532_direction = -1; +static int hf_pn532_MaxTg = -1; +static int hf_pn532_Tg = -1; +static int hf_pn532_NbTg = -1; +static int hf_pn532_BrTy = -1; +static int hf_pn532_error = -1; +static int hf_pn532_status_nad_present = -1; +static int hf_pn532_status_mi = -1; +static int hf_pn532_status_error_code = -1; +static int hf_pn532_payload_length = -1; +static int hf_pn532_ic_version = -1; +static int hf_pn532_fw_version = -1; +static int hf_pn532_fw_revision = -1; +static int hf_pn532_fw_support = -1; +static int hf_pn532_fw_support_rfu = -1; +static int hf_pn532_fw_support_iso_018092 = -1; +static int hf_pn532_fw_support_iso_iec_14443_type_b = -1; +static int hf_pn532_fw_support_iso_iec_14443_type_a = -1; +static int hf_pn532_14443a_uid = -1; +static int hf_pn532_sam_mode = -1; +static int hf_pn532_sam_timeout = -1; +static int hf_pn532_sam_irq = -1; +static int hf_pn532_config = -1; +static int hf_pn532_config_not_used = -1; +static int hf_pn532_config_auto_rfca = -1; +static int hf_pn532_config_rf = -1; +static int hf_pn532_config_rfu = -1; +static int hf_pn532_config_atr_res_timeout = -1; +static int hf_pn532_config_timeout_non_dep = -1; +static int hf_pn532_config_max_rty_com = -1; +static int hf_pn532_config_max_rty_atr = -1; +static int hf_pn532_config_max_rty_psl = -1; +static int hf_pn532_config_max_rty_passive_activation = -1; +static int hf_pn532_afi = -1; +static int hf_pn532_polling_method = -1; +static int hf_pn532_config_ciu_rf_cfg = -1; +static int hf_pn532_config_ciu_cw_gs_p = -1; +static int hf_pn532_config_ciu_mod_gs_p = -1; +static int hf_pn532_config_ciu_rx_threshold = -1; +static int hf_pn532_config_ciu_demon_rf_on = -1; +static int hf_pn532_config_ciu_demon_rf_off = -1; +static int hf_pn532_config_ciu_gs_n_on = -1; +static int hf_pn532_config_ciu_gs_n_off = -1; +static int hf_pn532_config_ciu_mod_width = -1; +static int hf_pn532_config_ciu_mif_nfc = -1; +static int hf_pn532_config_ciu_tx_bit_phase = -1; +static int hf_pn532_config_212_kbps = -1; +static int hf_pn532_config_424_kbps = -1; +static int hf_pn532_config_848_kbps = -1; +static int hf_pn532_state = -1; +static int hf_pn532_brit_nu_7 = -1; +static int hf_pn532_brit_speed_target = -1; +static int hf_pn532_brit_nu_3 = -1; +static int hf_pn532_brit_speed_initiator = -1; +static int hf_pn532_tg_response = -1; +static int hf_pn532_initiator_command = -1; +static int hf_pn532_data_in = -1; +static int hf_pn532_data_out = -1; +static int hf_pn532_gt = -1; +static int hf_pn532_mode_nu_7 = -1; +static int hf_pn532_mode_nu_3_7 = -1; +static int hf_pn532_mode_picc_only = -1; +static int hf_pn532_mode_dep_only = -1; +static int hf_pn532_mode_passive_only = -1; +static int hf_pn532_mode_mifare_parameters = -1; +static int hf_pn532_mode_mifare_parameters_sens_res = -1; +static int hf_pn532_mode_mifare_parameters_nfc_id_1t = -1; +static int hf_pn532_mode_mifare_parameters_sel_res = -1; +static int hf_pn532_mode_felica_parameters = -1; +static int hf_pn532_mode_felica_parameters_nfc_id_2t = -1; +static int hf_pn532_mode_felica_parameters_pad = -1; +static int hf_pn532_mode_felica_parameters_system_code = -1; +static int hf_pn532_mode_nfc_id_3t = -1; +static int hf_pn532_mode_gt_length = -1; +static int hf_pn532_mode_gt = -1; +static int hf_pn532_mode_tk_length = -1; +static int hf_pn532_mode_tk = -1; +static int hf_pn532_mode_baudrate = -1; +static int hf_pn532_mode_iso_iec_14443_4_picc = -1; +static int hf_pn532_mode_dep = -1; +static int hf_pn532_mode_framing_type = -1; +static int hf_pn532_brit = -1; +static int hf_pn532_brti = -1; +static int hf_pn532_txmode_nu_7 = -1; +static int hf_pn532_txmode_tx_speed = -1; +static int hf_pn532_txmode_nu_2_3 = -1; +static int hf_pn532_txmode_tx_framing = -1; +static int hf_pn532_baudrate = -1; +static int hf_pn532_flags = -1; +static int hf_pn532_flags_rfu_7 = -1; +static int hf_pn532_flags_remove_preamble_and_postamble = -1; +static int hf_pn532_flags_iso_14443_4_picc_emulation = -1; +static int hf_pn532_flags_automatic_rats = -1; +static int hf_pn532_flags_rfu_3 = -1; +static int hf_pn532_flags_automatic_atr_res = -1; +static int hf_pn532_flags_did_used = -1; +static int hf_pn532_flags_nad_used = -1; +static int hf_pn532_target = -1; +static int hf_pn532_wakeup_enable = -1; +static int hf_pn532_generate_irq = -1; +static int hf_pn532_register_address = -1; +static int hf_pn532_register_value = -1; +static int hf_pn532_field = -1; +static int hf_pn532_brrx = -1; +static int hf_pn532_brtx = -1; +static int hf_pn532_type = -1; +static int hf_pn532_sam_status = -1; +static int hf_pn532_wakeup_enable_i2c = -1; +static int hf_pn532_wakeup_enable_gpio = -1; +static int hf_pn532_wakeup_enable_spi = -1; +static int hf_pn532_wakeup_enable_hsu = -1; +static int hf_pn532_wakeup_enable_rf_level_detector = -1; +static int hf_pn532_wakeup_enable_rfu_2 = -1; +static int hf_pn532_wakeup_enable_int_1 = -1; +static int hf_pn532_wakeup_enable_int_0 = -1; +static int hf_pn532_gpio_ioi1 = -1; +static int hf_pn532_gpio_p3 = -1; +static int hf_pn532_gpio_p7 = -1; +static int hf_pn532_poll_number = -1; +static int hf_pn532_period = -1; +static int hf_pn532_autopoll_type = -1; +static int hf_pn532_autopoll_type_act = -1; +static int hf_pn532_autopoll_type_dep = -1; +static int hf_pn532_autopoll_type_tcl = -1; +static int hf_pn532_autopoll_type_mf_fe = -1; +static int hf_pn532_autopoll_type_not_used = -1; +static int hf_pn532_autopoll_type_baudrate_and_modulation = -1; +static int hf_pn532_target_data = -1; +static int hf_pn532_target_data_length = -1; +static int hf_pn532_nfc_id_3i = -1; +static int hf_pn532_gi = -1; +static int hf_pn532_next_not_used_2_7 = -1; +static int hf_pn532_next_gi = -1; +static int hf_pn532_next_nfc_id_3i = -1; +static int hf_pn532_nfc_id_3t = -1; +static int hf_pn532_activation_baudrate = -1; +static int hf_pn532_communication_mode = -1; +static int hf_pn532_jump_next_not_used_3_7 = -1; +static int hf_pn532_jump_next_passive_initiator_data = -1; +static int hf_pn532_jump_next_gi = -1; +static int hf_pn532_jump_next_nfc_id_3i = -1; +static int hf_pn532_passive_initiator_data = -1; +static int hf_pn532_did_target = -1; +static int hf_pn532_send_bit_rate_target = -1; +static int hf_pn532_receive_bit_rate_target = -1; +static int hf_pn532_timeout = -1; +static int hf_pn532_optional_parameters = -1; +static int hf_pn532_test_number = -1; +static int hf_pn532_parameters = -1; +static int hf_pn532_parameters_length = -1; +static int hf_pn532_sens_res = -1; +static int hf_pn532_sel_res = -1; +static int hf_pn532_nfc_id_length = -1; +static int hf_pn532_nfc_id_1 = -1; +static int hf_pn532_ats_length = -1; +static int hf_pn532_ats = -1; +static int hf_pn532_pol_res_length = -1; +static int hf_pn532_response_code = -1; +static int hf_pn532_nfc_id_2t = -1; +static int hf_pn532_pad = -1; +static int hf_pn532_syst_code = -1; +static int hf_pn532_atqb_response = -1; +static int hf_pn532_attrib_res_length = -1; +static int hf_pn532_attrib_res = -1; +static int hf_pn532_jewel_id = -1; +static int hf_pn532_response_for = -1; +static int hf_pn532_diagnose_baudrate = -1; +static int hf_pn532_reply_delay = -1; +static int hf_pn532_ciu_tx_mode = -1; +static int hf_pn532_ciu_rx_mode = -1; +static int hf_pn532_diagnose_result = -1; +static int hf_pn532_diagnose_number_of_fails = -1; +static int hf_pn532_andet_bot = -1; +static int hf_pn532_andet_up = -1; +static int hf_pn532_andet_ith = -1; +static int hf_pn532_andet_en = -1; + +static expert_field ei_unknown_data = EI_INIT; +static expert_field ei_unexpected_data = EI_INIT; + +static wmem_tree_t *command_info = NULL; + +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 { + guint32 bus_id; + guint32 device_address; + guint32 endpoint; + + guint8 command; + guint32 command_frame_number; + guint32 response_frame_number; + union { + gint16 test_number; + gint16 baudrate; + } data; +} command_data_t; + +static dissector_handle_t sub_handles[SUB_MAX]; +static gint sub_selected = SUB_DATA; + +/* Subtree handles: set by register_subtree_array */ +static gint ett_pn532 = -1; +static gint ett_pn532_flags = -1; +static gint ett_pn532_target = -1; +static gint ett_pn532_fw_support = -1; +static gint ett_pn532_config_212_kbps = -1; +static gint ett_pn532_config_424_kbps = -1; +static gint ett_pn532_config_848_kbps = -1; +static gint ett_pn532_mifare_parameters = -1; +static gint ett_pn532_felica_parameters = -1; +static gint ett_pn532_wakeup_enable = -1; +static gint ett_pn532_autopoll_type = -1; + +/* 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(gchar* buf, guint32 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(gchar* buf, guint32 value) { + snprintf(buf, ITEM_LABEL_LENGTH, "%u.%03u s", value * 500 / 1000, value * 500 % 1000); +} + +static gint +dissect_status(proto_tree *tree, tvbuff_t *tvb, gint 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 gint +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; + guint8 cmd; + guint8 config; + gint16 baudrate; + gint16 test_number; + guint8 length; + guint8 value; + guint8 type; + guint8 item_value; + tvbuff_t *next_tvb; + gint offset = 0; + command_data_t *command_data = NULL; + usb_conv_info_t *usb_conv_info; + wmem_tree_key_t key[5]; + guint32 bus_id; + guint32 device_address; + guint32 endpoint; + guint32 k_bus_id; + guint32 k_device_address; + guint32 k_endpoint; + guint32 k_frame_number; + + /* Reject the packet if data is NULL */ + if (data == NULL) + return 0; + usb_conv_info = (usb_conv_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_guint8(tvb, offset); + offset += 1; + + col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(cmd, &pn532_commands_ext, "Unknown command")); + + bus_id = usb_conv_info->bus_id; + device_address = usb_conv_info->device_address; + endpoint = usb_conv_info->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_guint8(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_guint8(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_numer */ + + 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_guint8(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_guint8(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 happend */ + 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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(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_guint8(tvb, offset); + offset += 1; + + proto_tree_add_item(sub_tree, hf_pn532_target_data_length, tvb, offset, 1, ENC_BIG_ENDIAN); + length = tvb_get_guint8(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_guint8(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_guint8(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 gint *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: + */ |