nexmon – Rev 1
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/* 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
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#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;
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"},
{0x03, "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) {
g_snprintf(buf, ITEM_LABEL_LENGTH, "No timeout control");
} else if (0x01 <= value && value <= 0x13) {
g_snprintf(buf, ITEM_LABEL_LENGTH, "%u ms", value * 50);
} else {
g_snprintf(buf, ITEM_LABEL_LENGTH, "%u.%03u s", value * 50 / 1000, value * 50 % 1000);
}
}
static void replay_delay_base(gchar* buf, guint32 value) {
g_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->flags.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->flags.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.not_used.2_3", 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);
register_dissector("pn532", dissect_pn532, proto_pn532);
}
/* Handler registration */
void proto_reg_handoff_pn532(void)
{
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 - http://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:
*/