mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-10-31 08:26:15 +08:00
9332b857ff
ADD: got tired of always writing wrong "hf 14a list", so I hooked it back up to call the "hf list" with argument. Things becomes smoother that way.
412 lines
10 KiB
C
412 lines
10 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2015 Piwi
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// High frequency Topaz (NFC Type 1) commands
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//-----------------------------------------------------------------------------
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "cmdmain.h"
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#include "cmdparser.h"
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#include "cmdhftopaz.h"
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#include "cmdhf14a.h"
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#include "ui.h"
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#include "mifare.h"
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#include "proxmark3.h"
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#include "iso14443crc.h"
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#include "protocols.h"
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#include "cmdhf.h"
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#define TOPAZ_MAX_MEMORY 2048
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static struct {
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uint8_t HR01[2];
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uint8_t uid[7];
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uint8_t size;
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uint8_t data_blocks[TOPAZ_MAX_MEMORY/8][8];
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uint8_t *dynamic_lock_areas;
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uint8_t *dynamic_reserved_areas;
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} topaz_tag;
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static void topaz_switch_on_field(void)
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{
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UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
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SendCommand(&c);
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}
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static void topaz_switch_off_field(void)
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{
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UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
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SendCommand(&c);
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}
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static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
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{
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UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
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memcpy(c.d.asBytes, cmd, len);
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SendCommand(&c);
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UsbCommand resp;
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WaitForResponse(CMD_ACK, &resp);
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if (resp.arg[0] > 0) {
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memcpy(response, resp.d.asBytes, resp.arg[0]);
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}
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return resp.arg[0];
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}
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static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
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{
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if (len > 1) {
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uint8_t first, second;
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ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
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cmd[len-2] = first;
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cmd[len-1] = second;
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}
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return topaz_send_cmd_raw(cmd, len, response);
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}
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static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
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{
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// ToDo: implement anticollision
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uint8_t wupa_cmd[] = {TOPAZ_WUPA};
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uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
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topaz_switch_on_field();
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if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
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topaz_switch_off_field();
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return -1; // WUPA failed
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}
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if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
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topaz_switch_off_field();
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return -2; // RID failed
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}
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return 0; // OK
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}
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static int topaz_rall(uint8_t *uid, uint8_t *response)
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{
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uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
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memcpy(&rall_cmd[3], uid, 4);
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if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
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topaz_switch_off_field();
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return -1; // RALL failed
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}
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return 0;
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}
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static bool topaz_block_is_locked(uint8_t blockno, uint8_t *lockbits)
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{
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if(lockbits[blockno/8] >> (blockno % 8) & 0x01) {
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return true;
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} else {
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return false;
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}
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}
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static int topaz_print_CC(uint8_t *data)
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{
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if(data[0] != 0xe1) {
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return -1; // no NDEF message
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}
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PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
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PrintAndLog(" %02x: NDEF Magic Number", data[0]);
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PrintAndLog(" %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
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PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
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PrintAndLog(" %02x: %s / %s", data[3],
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(data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
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(data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
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return 0;
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}
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static void get_TLV(uint8_t **TLV_ptr, uint8_t *tag, uint16_t *length, uint8_t **value)
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{
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*length = 0;
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*value = NULL;
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*tag = **TLV_ptr;
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*TLV_ptr += 1;
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switch (*tag) {
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case 0x00: // NULL TLV.
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case 0xFE: // Terminator TLV.
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break;
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case 0x01: // Lock Control TLV
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case 0x02: // Reserved Memory TLV
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case 0x03: // NDEF message TLV
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case 0xFD: // proprietary TLV
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*length = **TLV_ptr;
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*TLV_ptr += 1;
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if (*length == 0xff) {
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*length = **TLV_ptr << 8;
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*TLV_ptr += 1;
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*length |= **TLV_ptr;
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*TLV_ptr += 1;
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}
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*value = *TLV_ptr;
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*TLV_ptr += *length;
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break;
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default: // RFU
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break;
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}
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}
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static bool topaz_print_lock_control_TLVs(uint8_t *memory)
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{
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uint8_t *TLV_ptr = memory;
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uint8_t tag = 0;
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uint16_t length;
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uint8_t *value;
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bool lock_TLV_present = false;
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while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
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// all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
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get_TLV(&TLV_ptr, &tag, &length, &value);
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if (tag == 0x01) { // the Lock Control TLV
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uint8_t pages_addr = value[0] >> 4;
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uint8_t byte_offset = value[0] & 0x0f;
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uint8_t size_in_bits = value[1] ? value[1] : 256;
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uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
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uint8_t bytes_locked_per_bit = 1 << (value[2] >> 4);
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PrintAndLog("Lock Area of %d bits at byte offset 0x%02x. Each Lock Bit locks %d bytes.",
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size_in_bits,
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pages_addr * bytes_per_page + byte_offset,
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bytes_locked_per_bit);
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lock_TLV_present = true;
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}
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}
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if (!lock_TLV_present) {
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PrintAndLog("(No Lock Control TLV present)");
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return -1;
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} else {
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return 0;
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}
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}
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static int topaz_print_reserved_memory_control_TLVs(uint8_t *memory)
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{
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uint8_t *TLV_ptr = memory;
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uint8_t tag = 0;
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uint16_t length;
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uint8_t *value;
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bool reserved_memory_control_TLV_present = false;
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while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
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// all Reserved Memory Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
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get_TLV(&TLV_ptr, &tag, &length, &value);
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if (tag == 0x02) { // the Reserved Memory Control TLV
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uint8_t pages_addr = value[0] >> 4;
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uint8_t byte_offset = value[0] & 0x0f;
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uint8_t size_in_bytes = value[1] ? value[1] : 256;
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uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
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PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.",
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size_in_bytes,
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pages_addr * bytes_per_page + byte_offset);
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reserved_memory_control_TLV_present = true;
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}
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}
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if (!reserved_memory_control_TLV_present) {
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PrintAndLog("(No Reserved Memory Control TLV present)");
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return -1;
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} else {
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return 0;
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}
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}
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static void topaz_print_lifecycle_state(uint8_t *data)
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{
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}
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static void topaz_print_NDEF(uint8_t *data)
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{
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}
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int CmdHFTopazReader(const char *Cmd) {
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int status;
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uint8_t atqa[2];
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uint8_t rid_response[8];
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uint8_t *uid_echo = &rid_response[2];
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uint8_t rall_response[124];
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status = topaz_select(atqa, rid_response);
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if (status == -1) {
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PrintAndLog("Error: couldn't receive ATQA");
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return -1;
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}
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PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
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if (atqa[1] != 0x0c && atqa[0] != 0x00) {
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PrintAndLog("Tag doesn't support the Topaz protocol.");
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topaz_switch_off_field();
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return -1;
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}
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if (status == -2) {
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PrintAndLog("Error: tag didn't answer to RID");
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topaz_switch_off_field();
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return -1;
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}
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topaz_tag.HR01[0] = rid_response[0];
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topaz_tag.HR01[1] = rid_response[1];
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// ToDo: CRC check
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PrintAndLog("HR0 : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0],
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(rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
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(rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
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(rid_response[0] & 0x0F) == 0x10 ? "static" : "dynamic");
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PrintAndLog("HR1 : %02x", rid_response[1]);
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status = topaz_rall(uid_echo, rall_response);
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if(status == -1) {
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PrintAndLog("Error: tag didn't answer to RALL");
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topaz_switch_off_field();
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return -1;
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}
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memcpy(topaz_tag.uid, rall_response+2, 7);
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PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
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topaz_tag.uid[6],
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topaz_tag.uid[5],
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topaz_tag.uid[4],
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topaz_tag.uid[3],
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topaz_tag.uid[2],
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topaz_tag.uid[1],
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topaz_tag.uid[0]);
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PrintAndLog(" UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s",
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topaz_tag.uid[6],
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getTagInfo(topaz_tag.uid[6]));
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memcpy(topaz_tag.data_blocks, rall_response+2, 0x10*8);
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PrintAndLog("");
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PrintAndLog("Static Data blocks 00 to 0c:");
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PrintAndLog("block# | offset | Data | Locked?");
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char line[80];
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for (uint16_t i = 0; i <= 0x0c; i++) {
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for (uint16_t j = 0; j < 8; j++) {
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sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[i][j] /*rall_response[2 + 8*i + j]*/);
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}
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PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", i, i*8, line, topaz_block_is_locked(i, &topaz_tag.data_blocks[0x0e][0]) ? "yes" : "no");
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}
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PrintAndLog("");
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PrintAndLog("Static Reserved block 0d:");
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for (uint16_t j = 0; j < 8; j++) {
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sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0d][j]);
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}
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PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
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PrintAndLog("");
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PrintAndLog("Static Lockbits and OTP Bytes:");
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for (uint16_t j = 0; j < 8; j++) {
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sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0e][j]);
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}
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PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
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PrintAndLog("");
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status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
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if (status == -1) {
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PrintAndLog("No NDEF message present");
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topaz_switch_off_field();
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return 0;
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}
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PrintAndLog("");
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bool lock_TLV_present = topaz_print_lock_control_TLVs(&topaz_tag.data_blocks[1][4]);
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if ( lock_TLV_present ) {
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PrintAndLog("");
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}
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PrintAndLog("");
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bool reserved_mem_present = topaz_print_reserved_memory_control_TLVs(&topaz_tag.data_blocks[1][4]);
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if (reserved_mem_present) {
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PrintAndLog("");
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}
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topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
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topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
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topaz_switch_off_field();
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return 0;
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}
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int CmdHFTopazSim(const char *Cmd) {
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PrintAndLog("not yet implemented");
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return 0;
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}
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int CmdHFTopazCmdRaw(const char *Cmd) {
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PrintAndLog("not yet implemented");
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return 0;
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}
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int CmdHFTopazList(const char *Cmd) {
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CmdHFList("topaz");
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return 0;
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}
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static int CmdHelp(const char *Cmd);
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static command_t CommandTable[] =
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{
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{"help", CmdHelp, 1, "This help"},
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{"reader", CmdHFTopazReader, 0, "Act like a Topaz reader"},
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{"sim", CmdHFTopazSim, 0, "<UID> -- Simulate Topaz tag"},
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{"sniff", CmdHF14ASniff, 0, "Sniff Topaz reader-tag communication"},
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{"raw", CmdHFTopazCmdRaw, 0, "Send raw hex data to tag"},
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{"list", CmdHFTopazList, 0, "[Deprecated] List Topaz history"},
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{NULL, NULL, 0, NULL}
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};
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int CmdHFTopaz(const char *Cmd) {
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// flush
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WaitForResponseTimeout(CMD_ACK,NULL,100);
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// parse
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CmdsParse(CommandTable, Cmd);
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return 0;
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}
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static int CmdHelp(const char *Cmd)
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{
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CmdsHelp(CommandTable);
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return 0;
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}
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