mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 09:59:45 +08:00
256 lines
6.4 KiB
C
256 lines
6.4 KiB
C
//-----------------------------------------------------------------------------
|
|
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
|
|
// Copyright (C) 2011 Gerhard de Koning Gans
|
|
//
|
|
// 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 iClass commands
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
|
|
#include "data.h"
|
|
//#include "proxusb.h"
|
|
#include "proxmark3.h"
|
|
#include "ui.h"
|
|
#include "cmdparser.h"
|
|
#include "cmdhficlass.h"
|
|
#include "common.h"
|
|
#include "util.h"
|
|
|
|
static int CmdHelp(const char *Cmd);
|
|
|
|
int CmdHFiClassList(const char *Cmd)
|
|
{
|
|
uint8_t got[1920];
|
|
GetFromBigBuf(got,sizeof(got),0);
|
|
|
|
PrintAndLog("recorded activity:");
|
|
PrintAndLog(" ETU :rssi: who bytes");
|
|
PrintAndLog("---------+----+----+-----------");
|
|
|
|
int i = 0;
|
|
int prev = -1;
|
|
|
|
for (;;) {
|
|
if(i >= 1900) {
|
|
break;
|
|
}
|
|
|
|
bool isResponse;
|
|
int timestamp = *((uint32_t *)(got+i));
|
|
if (timestamp & 0x80000000) {
|
|
timestamp &= 0x7fffffff;
|
|
isResponse = 1;
|
|
} else {
|
|
isResponse = 0;
|
|
}
|
|
|
|
int metric = 0;
|
|
int parityBits = *((uint32_t *)(got+i+4));
|
|
// 4 bytes of additional information...
|
|
// maximum of 32 additional parity bit information
|
|
//
|
|
// TODO:
|
|
// at each quarter bit period we can send power level (16 levels)
|
|
// or each half bit period in 256 levels.
|
|
|
|
|
|
int len = got[i+8];
|
|
|
|
if (len > 100) {
|
|
break;
|
|
}
|
|
if (i + len >= 1900) {
|
|
break;
|
|
}
|
|
|
|
uint8_t *frame = (got+i+9);
|
|
|
|
// Break and stick with current result if buffer was not completely full
|
|
if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
|
|
|
|
char line[1000] = "";
|
|
int j;
|
|
for (j = 0; j < len; j++) {
|
|
int oddparity = 0x01;
|
|
int k;
|
|
|
|
for (k=0;k<8;k++) {
|
|
oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
|
|
}
|
|
|
|
//if((parityBits >> (len - j - 1)) & 0x01) {
|
|
if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
|
|
sprintf(line+(j*4), "%02x! ", frame[j]);
|
|
}
|
|
else {
|
|
sprintf(line+(j*4), "%02x ", frame[j]);
|
|
}
|
|
}
|
|
|
|
char *crc;
|
|
crc = "";
|
|
if (len > 2) {
|
|
uint8_t b1, b2;
|
|
for (j = 0; j < (len - 1); j++) {
|
|
// gives problems... search for the reason..
|
|
/*if(frame[j] == 0xAA) {
|
|
switch(frame[j+1]) {
|
|
case 0x01:
|
|
crc = "[1] Two drops close after each other";
|
|
break;
|
|
case 0x02:
|
|
crc = "[2] Potential SOC with a drop in second half of bitperiod";
|
|
break;
|
|
case 0x03:
|
|
crc = "[3] Segment Z after segment X is not possible";
|
|
break;
|
|
case 0x04:
|
|
crc = "[4] Parity bit of a fully received byte was wrong";
|
|
break;
|
|
default:
|
|
crc = "[?] Unknown error";
|
|
break;
|
|
}
|
|
break;
|
|
}*/
|
|
}
|
|
|
|
if (strlen(crc)==0) {
|
|
if(!isResponse && len == 4) {
|
|
// Rough guess that this is a command from the reader
|
|
// For iClass the command byte is not part of the CRC
|
|
ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2);
|
|
}
|
|
else {
|
|
// For other data.. CRC might not be applicable (UPDATE commands etc.)
|
|
ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
|
|
}
|
|
//printf("%1x %1x",(unsigned)b1,(unsigned)b2);
|
|
if (b1 != frame[len-2] || b2 != frame[len-1]) {
|
|
crc = (isResponse & (len < 8)) ? "" : " !crc";
|
|
} else {
|
|
crc = "";
|
|
}
|
|
}
|
|
} else {
|
|
crc = ""; // SHORT
|
|
}
|
|
|
|
char metricString[100];
|
|
if (isResponse) {
|
|
sprintf(metricString, "%3d", metric);
|
|
} else {
|
|
strcpy(metricString, " ");
|
|
}
|
|
|
|
PrintAndLog(" +%7d: %s: %s %s %s",
|
|
(prev < 0 ? 0 : (timestamp - prev)),
|
|
metricString,
|
|
(isResponse ? "TAG" : " "), line, crc);
|
|
|
|
prev = timestamp;
|
|
i += (len + 9);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*void iso14a_set_timeout(uint32_t timeout) {
|
|
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
|
|
SendCommand(&c);
|
|
}*/
|
|
|
|
int CmdHFiClassSnoop(const char *Cmd)
|
|
{
|
|
UsbCommand c = {CMD_SNOOP_ICLASS};
|
|
SendCommand(&c);
|
|
return 0;
|
|
}
|
|
|
|
int CmdHFiClassSim(const char *Cmd)
|
|
{
|
|
uint8_t simType = 0;
|
|
uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
|
|
|
|
if (strlen(Cmd)<2) {
|
|
PrintAndLog("Usage: hf iclass sim <sim type> <CSN (16 hex symbols)>");
|
|
PrintAndLog(" sample: hf iclass sim 0 031FEC8AF7FF12E0");
|
|
return 0;
|
|
}
|
|
|
|
simType = param_get8(Cmd, 0);
|
|
if (param_gethex(Cmd, 1, CSN, 16)) {
|
|
PrintAndLog("A CSN should consist of 16 HEX symbols");
|
|
return 1;
|
|
}
|
|
PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
|
|
|
|
UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType}};
|
|
memcpy(c.d.asBytes, CSN, 8);
|
|
SendCommand(&c);
|
|
|
|
/*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
|
|
if (resp != NULL) {
|
|
uint8_t isOK = resp->arg[0] & 0xff;
|
|
PrintAndLog("isOk:%02x", isOK);
|
|
} else {
|
|
PrintAndLog("Command execute timeout");
|
|
}*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CmdHFiClassReader(const char *Cmd)
|
|
{
|
|
uint8_t readerType = 0;
|
|
|
|
if (strlen(Cmd)<1) {
|
|
PrintAndLog("Usage: hf iclass reader <reader type>");
|
|
PrintAndLog(" sample: hf iclass reader 0");
|
|
return 0;
|
|
}
|
|
|
|
readerType = param_get8(Cmd, 0);
|
|
PrintAndLog("--readertype:%02x", readerType);
|
|
|
|
UsbCommand c = {CMD_READER_ICLASS, {readerType}};
|
|
//memcpy(c.d.asBytes, CSN, 8);
|
|
SendCommand(&c);
|
|
|
|
/*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
|
|
if (resp != NULL) {
|
|
uint8_t isOK = resp->arg[0] & 0xff;
|
|
PrintAndLog("isOk:%02x", isOK);
|
|
} else {
|
|
PrintAndLog("Command execute timeout");
|
|
}*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
static command_t CommandTable[] =
|
|
{
|
|
{"help", CmdHelp, 1, "This help"},
|
|
{"list", CmdHFiClassList, 0, "List iClass history"},
|
|
{"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
|
|
{"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
|
|
{"reader", CmdHFiClassReader, 0, "Read an iClass tag"},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
int CmdHFiClass(const char *Cmd)
|
|
{
|
|
CmdsParse(CommandTable, Cmd);
|
|
return 0;
|
|
}
|
|
|
|
int CmdHelp(const char *Cmd)
|
|
{
|
|
CmdsHelp(CommandTable);
|
|
return 0;
|
|
}
|