2015-03-19 00:12:09 +08:00
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//-----------------------------------------------------------------------------
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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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2015-03-21 04:06:51 +08:00
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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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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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UsbCommand resp;
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WaitForResponse(CMD_ACK, &resp);
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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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UsbCommand resp;
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WaitForResponse(CMD_ACK, &resp);
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}
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static void 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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memcpy(response, resp.d.asBytes, resp.arg[0]);
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}
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static void 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, &first, &second);
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cmd[len] = first;
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cmd[len+1] = second;
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}
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topaz_send_cmd_raw(cmd, len+2, response);
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}
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static void topaz_select(uint8_t *atqa, uint8_t *uid)
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{
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// ToDo: implement anticollision
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uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
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uint8_t wupa_cmd[] = {TOPAZ_WUPA};
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topaz_switch_on_field();
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topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa);
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topaz_send_cmd(rid_cmd, sizeof(rid_cmd) - 2, uid);
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topaz_switch_off_field();
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}
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2015-03-19 00:12:09 +08:00
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int CmdHFTopazReader(const char *Cmd)
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{
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PrintAndLog("not yet implemented");
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return 0;
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}
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int CmdHFTopazSim(const char *Cmd)
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{
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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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{
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PrintAndLog("not yet implemented");
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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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{"snoop", CmdHF14ASnoop, 0, "Eavesdrop a Topaz reader-tag communication"},
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{"raw", CmdHFTopazCmdRaw, 0, "Send raw hex data to tag"},
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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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