--- /dev/null
- PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", i, i*8, line, topaz_block_is_locked(i, &topaz_tag.data_blocks[0x0d][0]) ? "yes" : "no");
+//-----------------------------------------------------------------------------
+// Copyright (C) 2015 Piwi
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency Topaz (NFC Type 1) commands
+//-----------------------------------------------------------------------------
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "cmdmain.h"
+#include "cmdparser.h"
+#include "cmdhftopaz.h"
+#include "cmdhf14a.h"
+#include "ui.h"
+#include "mifare.h"
+#include "proxmark3.h"
+#include "iso14443crc.h"
+#include "protocols.h"
+
+#define TOPAZ_MAX_MEMORY 2048
+
+static struct {
+ uint8_t HR01[2];
+ uint8_t uid[7];
+ uint8_t size;
+ uint8_t data_blocks[TOPAZ_MAX_MEMORY/8][8];
+ uint8_t *dynamic_lock_areas;
+ uint8_t *dynamic_reserved_areas;
+} topaz_tag;
+
+
+static void topaz_switch_on_field(void)
+{
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
+ SendCommand(&c);
+}
+
+
+static void topaz_switch_off_field(void)
+{
+ UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+ SendCommand(&c);
+}
+
+
+static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
+{
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
+ memcpy(c.d.asBytes, cmd, len);
+ SendCommand(&c);
+
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK, &resp);
+
+ if (resp.arg[0] > 0) {
+ memcpy(response, resp.d.asBytes, resp.arg[0]);
+ }
+
+ return resp.arg[0];
+}
+
+
+static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
+{
+ if (len > 1) {
+ uint8_t first, second;
+ ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
+ cmd[len-2] = first;
+ cmd[len-1] = second;
+ }
+
+ return topaz_send_cmd_raw(cmd, len, response);
+}
+
+
+static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
+{
+ // ToDo: implement anticollision
+
+ uint8_t wupa_cmd[] = {TOPAZ_WUPA};
+ uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
+
+ topaz_switch_on_field();
+
+ if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
+ topaz_switch_off_field();
+ return -1; // WUPA failed
+ }
+
+ if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
+ topaz_switch_off_field();
+ return -2; // RID failed
+ }
+
+ return 0; // OK
+}
+
+
+static int topaz_rall(uint8_t *uid, uint8_t *response)
+{
+ uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
+
+ memcpy(&rall_cmd[3], uid, 4);
+ if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
+ topaz_switch_off_field();
+ return -1; // RALL failed
+ }
+
+ return 0;
+}
+
+
+static bool topaz_block_is_locked(uint8_t blockno, uint8_t *lockbits)
+{
+ if(lockbits[blockno/8] >> (blockno % 8) & 0x01) {
+ return true;
+ } else {
+ return false;
+ }
+}
+
+
+static int topaz_print_CC(uint8_t *data)
+{
+ if(data[0] != 0xe1) {
+ return -1; // no NDEF message
+ }
+
+ PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
+ PrintAndLog(" %02x: NDEF Magic Number", data[0]);
+ PrintAndLog(" %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
+ PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
+ PrintAndLog(" %02x: %s / %s", data[3],
+ (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
+ (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
+ return 0;
+}
+
+
+static void get_TLV(uint8_t **TLV_ptr, uint8_t *tag, uint16_t *length, uint8_t **value)
+{
+ *length = 0;
+ *value = NULL;
+
+ *tag = **TLV_ptr;
+ *TLV_ptr += 1;
+ switch (*tag) {
+ case 0x00: // NULL TLV.
+ case 0xFE: // Terminator TLV.
+ break;
+ case 0x01: // Lock Control TLV
+ case 0x02: // Reserved Memory TLV
+ case 0x03: // NDEF message TLV
+ case 0xFD: // proprietary TLV
+ *length = **TLV_ptr;
+ *TLV_ptr += 1;
+ if (*length == 0xff) {
+ *length = **TLV_ptr << 8;
+ *TLV_ptr += 1;
+ *length |= **TLV_ptr;
+ *TLV_ptr += 1;
+ }
+ *value = *TLV_ptr;
+ *TLV_ptr += *length;
+ break;
+ default: // RFU
+ break;
+ }
+}
+
+
+static bool topaz_print_lock_control_TLVs(uint8_t *memory)
+{
+ uint8_t *TLV_ptr = memory;
+ uint8_t tag = 0;
+ uint16_t length;
+ uint8_t *value;
+ bool lock_TLV_present = false;
+
+ while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
+ // all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+ get_TLV(&TLV_ptr, &tag, &length, &value);
+ if (tag == 0x01) { // the Lock Control TLV
+ uint8_t pages_addr = value[0] >> 4;
+ uint8_t byte_offset = value[0] & 0x0f;
+ uint8_t size_in_bits = value[1] ? value[1] : 256;
+ uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+ uint8_t bytes_locked_per_bit = 1 << (value[2] >> 4);
+ PrintAndLog("Lock Area of %d bits at byte offset 0x%02x. Each Lock Bit locks %d bytes.",
+ size_in_bits,
+ pages_addr * bytes_per_page + byte_offset,
+ bytes_locked_per_bit);
+ lock_TLV_present = true;
+ }
+ }
+
+ if (!lock_TLV_present) {
+ PrintAndLog("(No Lock Control TLV present)");
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+
+static int topaz_print_reserved_memory_control_TLVs(uint8_t *memory)
+{
+ uint8_t *TLV_ptr = memory;
+ uint8_t tag = 0;
+ uint16_t length;
+ uint8_t *value;
+ bool reserved_memory_control_TLV_present = false;
+
+ while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
+ // all Reserved Memory Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+ get_TLV(&TLV_ptr, &tag, &length, &value);
+ if (tag == 0x02) { // the Reserved Memory Control TLV
+ uint8_t pages_addr = value[0] >> 4;
+ uint8_t byte_offset = value[0] & 0x0f;
+ uint8_t size_in_bytes = value[1] ? value[1] : 256;
+ uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+ PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.",
+ size_in_bytes,
+ pages_addr * bytes_per_page + byte_offset);
+ reserved_memory_control_TLV_present = true;
+ }
+ }
+
+ if (!reserved_memory_control_TLV_present) {
+ PrintAndLog("(No Reserved Memory Control TLV present)");
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+
+static void topaz_print_lifecycle_state(uint8_t *data)
+{
+
+}
+
+
+static void topaz_print_NDEF(uint8_t *data)
+{
+
+}
+
+
+int CmdHFTopazReader(const char *Cmd)
+{
+ int status;
+ uint8_t atqa[2];
+ uint8_t rid_response[8];
+ uint8_t *uid_echo = &rid_response[2];
+ uint8_t rall_response[124];
+
+ status = topaz_select(atqa, rid_response);
+
+ if (status == -1) {
+ PrintAndLog("Error: couldn't receive ATQA");
+ return -1;
+ }
+
+ PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
+ if (atqa[1] != 0x0c && atqa[0] != 0x00) {
+ PrintAndLog("Tag doesn't support the Topaz protocol.");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ if (status == -2) {
+ PrintAndLog("Error: tag didn't answer to RID");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ topaz_tag.HR01[0] = rid_response[0];
+ topaz_tag.HR01[1] = rid_response[1];
+
+ // ToDo: CRC check
+ PrintAndLog("HR0 : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0],
+ (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+ (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+ (rid_response[0] & 0x0F) == 0x10 ? "static" : "dynamic");
+ PrintAndLog("HR1 : %02x", rid_response[1]);
+
+ status = topaz_rall(uid_echo, rall_response);
+
+ if(status == -1) {
+ PrintAndLog("Error: tag didn't answer to RALL");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ memcpy(topaz_tag.uid, rall_response+2, 7);
+ PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
+ topaz_tag.uid[6],
+ topaz_tag.uid[5],
+ topaz_tag.uid[4],
+ topaz_tag.uid[3],
+ topaz_tag.uid[2],
+ topaz_tag.uid[1],
+ topaz_tag.uid[0]);
+ PrintAndLog(" UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s",
+ topaz_tag.uid[6],
+ getTagInfo(topaz_tag.uid[6]));
+
+ memcpy(topaz_tag.data_blocks, rall_response+2, 0x10*8);
+ PrintAndLog("");
+ PrintAndLog("Static Data blocks 00 to 0c:");
+ PrintAndLog("block# | offset | Data | Locked?");
+ char line[80];
+ for (uint16_t i = 0; i <= 0x0c; i++) {
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[i][j] /*rall_response[2 + 8*i + j]*/);
+ }
++ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", i, i*8, line, topaz_block_is_locked(i, &topaz_tag.data_blocks[0x0e][0]) ? "yes" : "no");
+ }
+
+ PrintAndLog("");
+ PrintAndLog("Static Reserved block 0d:");
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0d][j]);
+ }
+ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
+
+ PrintAndLog("");
+ PrintAndLog("Static Lockbits and OTP Bytes:");
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0e][j]);
+ }
+ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
+
+ PrintAndLog("");
+
+ status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
+
+ if (status == -1) {
+ PrintAndLog("No NDEF message present");
+ topaz_switch_off_field();
+ return 0;
+ }
+
+ PrintAndLog("");
+ bool lock_TLV_present = topaz_print_lock_control_TLVs(&topaz_tag.data_blocks[1][4]);
+
+ PrintAndLog("");
+ bool reserved_mem_present = topaz_print_reserved_memory_control_TLVs(&topaz_tag.data_blocks[1][4]);
+
+ topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
+
+ topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
+
+ topaz_switch_off_field();
+ return 0;
+}
+
+
+int CmdHFTopazSim(const char *Cmd)
+{
+ PrintAndLog("not yet implemented");
+ return 0;
+}
+
+
+int CmdHFTopazCmdRaw(const char *Cmd)
+{
+ PrintAndLog("not yet implemented");
+ return 0;
+}
+
+
+static int CmdHelp(const char *Cmd);
+
+
+static command_t CommandTable[] =
+{
+ {"help", CmdHelp, 1, "This help"},
+ {"reader", CmdHFTopazReader, 0, "Act like a Topaz reader"},
+ {"sim", CmdHFTopazSim, 0, "<UID> -- Simulate Topaz tag"},
+ {"snoop", CmdHF14ASnoop, 0, "Eavesdrop a Topaz reader-tag communication"},
+ {"raw", CmdHFTopazCmdRaw, 0, "Send raw hex data to tag"},
+ {NULL, NULL, 0, NULL}
+};
+
+
+int CmdHFTopaz(const char *Cmd) {
+ // flush
+ WaitForResponseTimeout(CMD_ACK,NULL,100);
+
+ // parse
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+static int CmdHelp(const char *Cmd)
+{
+ CmdsHelp(CommandTable);
+ return 0;
+}
+
+
projects / proxmark3-svn / commitdiff