[proxmark3-svn] / client / cmdhf.c

//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// 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 commands
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <string.h>
#include "proxmark3.h"
#include "graph.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf.h"
#include "cmdhf14a.h"
#include "cmdhf14b.h"
#include "cmdhf15.h"
#include "cmdhfepa.h"
#include "cmdhflegic.h"
#include "cmdhficlass.h"
#include "cmdhfmf.h"

static int CmdHelp(const char *Cmd);

int CmdHFTune(const char *Cmd)
{
  UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
  SendCommand(&c);
  return 0;
}
// for the time being. Need better Bigbuf handling.
#define TRACE_SIZE 3000

//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
/*
ISO14443A (usually NFC tags)
	26 (7bits) = REQA
	30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
	A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
	52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
	93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	95 20 = Anticollision of cascade level2
	95 70 = Select of cascade level2
	50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
Mifare
	60 = Authenticate with KeyA
	61 = Authenticate with KeyB
	40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
	C0 = Decrement
	C1 = Increment
	C2 = Restore
	B0 = Transfer
Ultralight C
	A0 = Compatibility Write (to accomodate MIFARE commands)
	1A = Step1 Authenticate
	AF = Step2 Authenticate


ISO14443B
	05 = REQB
	1D = ATTRIB
	50 = HALT
SRIX4K (tag does not respond to 05)
	06 00 = INITIATE
	0E xx = SELECT ID (xx = Chip-ID)
	0B = Get UID
	08 yy = Read Block (yy = block number)
	09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
	0C = Reset to Inventory
	0F = Completion
	0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)


ISO15693
	MANDATORY COMMANDS (all ISO15693 tags must support those)
		01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
		02 = Stay Quiet
	OPTIONAL COMMANDS (not all tags support them)
		20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
		21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
		22 = Lock Block
		23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
		25 = Select
		26 = Reset to Ready
		27 = Write AFI
		28 = Lock AFI
		29 = Write DSFID
		2A = Lock DSFID
		2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
		2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)

EM Microelectronic CUSTOM COMMANDS
	A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
	A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
	B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
	E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
NXP/Philips CUSTOM COMMANDS
	A0 = Inventory Read
	A1 = Fast Inventory Read
	A2 = Set EAS
	A3 = Reset EAS
	A4 = Lock EAS
	A5 = EAS Alarm
	A6 = Password Protect EAS
	A7 = Write EAS ID
	A8 = Read EPC
	B0 = Inventory Page Read
	B1 = Fast Inventory Page Read
	B2 = Get Random Number
	B3 = Set Password
	B4 = Write Password
	B5 = Lock Password
	B6 = Bit Password Protection
	B7 = Lock Page Protection Condition
	B8 = Get Multiple Block Protection Status
	B9 = Destroy SLI
	BA = Enable Privacy
	BB = 64bit Password Protection
	40 = Long Range CMD (Standard ISO/TR7003:1990)
		*/

#define ICLASS_CMD_ACTALL 0x0A
#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
#define ICLASS_CMD_SELECT 0x81
#define ICLASS_CMD_PAGESEL 0x84
#define ICLASS_CMD_READCHECK 0x88
#define ICLASS_CMD_CHECK 0x05
#define ICLASS_CMD_SOF 0x0F
#define ICLASS_CMD_HALT 0x00

#define ISO14443_CMD_REQA       0x26
#define ISO14443_CMD_READBLOCK  0x30
#define ISO14443_CMD_WUPA       0x52
#define ISO14443_CMD_ANTICOLL_OR_SELECT     0x93
#define ISO14443_CMD_ANTICOLL_OR_SELECT_2   0x95
#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
#define ISO14443_CMD_HALT       0x50
#define ISO14443_CMD_RATS       0xE0

#define MIFARE_AUTH_KEYA	    0x60
#define MIFARE_AUTH_KEYB	    0x61
#define MIFARE_MAGICMODE	    0x40
#define MIFARE_CMD_INC          0xC0
#define MIFARE_CMD_DEC          0xC1
#define MIFARE_CMD_RESTORE      0xC2
#define MIFARE_CMD_TRANSFER     0xB0

#define MIFARE_ULC_WRITE        0xA0
#define MIFARE_ULC_AUTH_1       0x1A
#define MIFARE_ULC_AUTH_2        0xAF

#define ISO14443B_REQB         0x05
#define ISO14443B_ATTRIB       0x1D
#define ISO14443B_HALT         0x50

//First byte is 26
#define ISO15693_INVENTORY     0x01
#define ISO15693_STAYQUIET     0x02
//First byte is 02
#define ISO15693_READBLOCK            0x20
#define ISO15693_WRITEBLOCK           0x21
#define ISO15693_LOCKBLOCK            0x22
#define ISO15693_READ_MULTI_BLOCK     0x23
#define ISO15693_SELECT               0x25
#define ISO15693_RESET_TO_READY       0x26
#define ISO15693_WRITE_AFI            0x27
#define ISO15693_LOCK_AFI             0x28
#define ISO15693_WRITE_DSFID          0x29
#define ISO15693_LOCK_DSFID           0x2A
#define ISO15693_GET_SYSTEM_INFO      0x2B
#define ISO15693_READ_MULTI_SECSTATUS 0x2C


void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
	switch(cmd[0])
	{
	case ISO14443_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
	case ISO14443_CMD_ANTICOLL_OR_SELECT:{
		// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
		// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
		if(cmd[2] == 0x70)
		{
			snprintf(exp,size,"SELECT_UID"); break;
		}else
		{
			snprintf(exp,size,"ANTICOLL"); break;
		}
	}
	case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
		//95 20 = Anticollision of cascade level2
		//95 70 = Select of cascade level2
		if(cmd[2] == 0x70)
		{
			snprintf(exp,size,"SELECT_UID-2"); break;
		}else
		{
			snprintf(exp,size,"ANTICOLL-2"); break;
		}
	}
	case ISO14443_CMD_REQA:       snprintf(exp,size,"REQA"); break;
	case ISO14443_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
	case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
	case ISO14443_CMD_HALT:       snprintf(exp,size,"HALT"); break;
	case ISO14443_CMD_RATS:       snprintf(exp,size,"RATS"); break;
	case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
	case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
	case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
	case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
	case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
	case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
	case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
	default:                      snprintf(exp,size,"?"); break;
	}
	return;
}

void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
	switch(cmd[0])
	{
	case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
	case ICLASS_CMD_READ_OR_IDENTIFY:{
		if(cmdsize > 1){
			snprintf(exp,size,"READ(%d)",cmd[1]);
		}else{
			snprintf(exp,size,"IDENTIFY");
		}
		break;
	}
	case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
	case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL"); break;
	case ICLASS_CMD_READCHECK:   snprintf(exp,size,"READCHECK"); break;
	case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
	case ICLASS_CMD_SOF:         snprintf(exp,size,"SOF"); break;
	case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
	default:                     snprintf(exp,size,"?"); break;
	}
	return;
}

void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{

	if(cmd[0] == 0x26)
	{
		switch(cmd[1]){
		case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
		case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
		default:                     snprintf(exp,size,"?"); break;

		}
	}else if(cmd[0] == 0x02)
	{
		switch(cmd[1])
		{
		case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
		case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
		case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
		case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
		case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
		case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
		case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
		case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
		case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
		case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
		case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
		case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
		default:                     snprintf(exp,size,"?"); break;
		}
	}
}

uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
{
	bool isResponse;
	uint16_t duration, data_len,parity_len;

	uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
	char explanation[30] = {0};

	first_timestamp = *((uint32_t *)(trace));
	timestamp = *((uint32_t *)(trace + tracepos));
	// Break and stick with current result if buffer was not completely full
	if (timestamp == 0x44444444) return TRACE_SIZE;

	tracepos += 4;
	duration = *((uint16_t *)(trace + tracepos));
	tracepos += 2;
	data_len = *((uint16_t *)(trace + tracepos));
	tracepos += 2;

	if (data_len & 0x8000) {
	  data_len &= 0x7fff;
	  isResponse = true;
	} else {
	  isResponse = false;
	}
	parity_len = (data_len-1)/8 + 1;

	if (tracepos + data_len + parity_len >= TRACE_SIZE) {
		return TRACE_SIZE;
	}

	uint8_t *frame = trace + tracepos;
	tracepos += data_len;
	uint8_t *parityBytes = trace + tracepos;
	tracepos += parity_len;

	//--- Draw the data column
	char line[16][110];
	for (int j = 0; j < data_len; j++) {
		int oddparity = 0x01;
		int k;

		for (k=0 ; k<8 ; k++) {
			oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
		}

		uint8_t parityBits = parityBytes[j>>3];

		if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
			sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
		} else {
			sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);
		}
	}
	//--- Draw the CRC column
	bool crcError = false;

	if (data_len > 2) {
		uint8_t b1, b2;
		if(iclass)
		{
			if(!isResponse && data_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], data_len-3, &b1, &b2);
			}
			else {
				// For other data.. CRC might not be applicable (UPDATE commands etc.)
				ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
			}

			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
				crcError = true;
			}

		}else{//Iso 14443a

			ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);

			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
				if(!(isResponse & (data_len < 6)))
				{
						crcError = true;
				}
			}
		}

	}
	char *crc = crcError ? "!crc" :"    ";

	EndOfTransmissionTimestamp = timestamp + duration;

	if(!isResponse)
	{
		if(iclass)	annotateIclass(explanation,sizeof(explanation),frame,data_len);
		else annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
	}

	int num_lines = (data_len - 1)/16 + 1;
	for (int j = 0; j < num_lines; j++) {
		if (j == 0) {
			PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
				(timestamp - first_timestamp),
				(EndOfTransmissionTimestamp - first_timestamp),
				(isResponse ? "Tag" : "Rdr"),
				line[j],
				(j == num_lines-1) ? crc : "    ",
				(j == num_lines-1) ? explanation : "");
		} else {
			PrintAndLog("           |           |     | %-64s| %s| %s",
				line[j],
				(j == num_lines-1)?crc:"    ",
				(j == num_lines-1) ? explanation : "");
		}
	}

	bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;

	if (showWaitCycles && !isResponse && next_isResponse) {
		uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
		if (next_timestamp != 0x44444444) {
			PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
				(EndOfTransmissionTimestamp - first_timestamp),
				(next_timestamp - first_timestamp),
				"   ",
				(next_timestamp - EndOfTransmissionTimestamp));
		}
	}
	return tracepos;
}

int CmdHFList(const char *Cmd)
{
	bool showWaitCycles = false;
	char type[40] = {0};
	int tlen = param_getstr(Cmd,0,type);
	char param = param_getchar(Cmd, 1);
	bool errors = false;
	bool iclass = false;
	//Validate params
	if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
	{
		errors = true;
	}
	if(param == 'h' || (param !=0 && param != 'f'))
	{
		errors = true;
	}

	if (errors) {
		PrintAndLog("List protocol data in trace buffer.");
		PrintAndLog("Usage:  hf list [14a|iclass] [f]");
		PrintAndLog("    14a    - interpret data as iso14443a communications");
		PrintAndLog("    iclass - interpret data as iclass communications");
		PrintAndLog("    f      - show frame delay times as well");
		PrintAndLog("");
		PrintAndLog("example: hf list 14a f");
		PrintAndLog("example: hf list iclass");
		return 0;
	}
	if(strcmp(type, "iclass") == 0)
	{
		iclass = true;
	}

	if (param == 'f') {
		showWaitCycles = true;
	}


	uint8_t trace[TRACE_SIZE];
	uint16_t tracepos = 0;
	GetFromBigBuf(trace, TRACE_SIZE, 0);
	WaitForResponse(CMD_ACK, NULL);

	PrintAndLog("Recorded Activity");
	PrintAndLog("");
	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
	PrintAndLog("iClass    - Timings are not as accurate");
	PrintAndLog("");
	PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
	PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");

	while(tracepos < TRACE_SIZE)
	{
		tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
	}
	return 0;
}


static command_t CommandTable[] = 
{
  {"help",        CmdHelp,          1, "This help"},
  {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
  {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
  {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
  {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
  {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
  {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
  {"mf",      		CmdHFMF,		1, "{ MIFARE RFIDs... }"},
  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
  {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
	{NULL, NULL, 0, NULL}
};

int CmdHF(const char *Cmd)
{
  CmdsParse(CommandTable, Cmd);
  return 0; 
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
	2	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
	3	//
	4	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	5	// at your option, any later version. See the LICENSE.txt file for the text of
	6	// the license.
	7	//-----------------------------------------------------------------------------
	8	// High frequency commands
	9	//-----------------------------------------------------------------------------
	10
7fe9b0b7	11	#include <stdio.h>
4c3de57a	12	#include <string.h>
902cb3c0	13	#include "proxmark3.h"
7fe9b0b7	14	#include "graph.h"
	15	#include "ui.h"
	16	#include "cmdparser.h"
	17	#include "cmdhf.h"
	18	#include "cmdhf14a.h"
	19	#include "cmdhf14b.h"
	20	#include "cmdhf15.h"
5acd09bd	21	#include "cmdhfepa.h"
7fe9b0b7	22	#include "cmdhflegic.h"
cee5a30d	23	#include "cmdhficlass.h"
9ca155ba	24	#include "cmdhfmf.h"
7fe9b0b7	25
	26	static int CmdHelp(const char *Cmd);
	27
	28	int CmdHFTune(const char *Cmd)
	29	{
	30	UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
	31	SendCommand(&c);
	32	return 0;
	33	}
4c3de57a MHS	34	// for the time being. Need better Bigbuf handling.
	35	#define TRACE_SIZE 3000
	36
4df54240 MHS	37	//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
	38	/*
	39	ISO14443A (usually NFC tags)
	40	26 (7bits) = REQA
	41	30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
	42	A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
	43	52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
	44	93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	45	93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	46	95 20 = Anticollision of cascade level2
	47	95 70 = Select of cascade level2
	48	50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
	49	Mifare
	50	60 = Authenticate with KeyA
	51	61 = Authenticate with KeyB
	52	40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
	53	C0 = Decrement
	54	C1 = Increment
	55	C2 = Restore
	56	B0 = Transfer
	57	Ultralight C
	58	A0 = Compatibility Write (to accomodate MIFARE commands)
	59	1A = Step1 Authenticate
	60	AF = Step2 Authenticate
	61
	62
	63	ISO14443B
	64	05 = REQB
	65	1D = ATTRIB
	66	50 = HALT
	67	SRIX4K (tag does not respond to 05)
	68	06 00 = INITIATE
	69	0E xx = SELECT ID (xx = Chip-ID)
	70	0B = Get UID
	71	08 yy = Read Block (yy = block number)
	72	09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
	73	0C = Reset to Inventory
	74	0F = Completion
	75	0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
	76
	77
	78	ISO15693
	79	MANDATORY COMMANDS (all ISO15693 tags must support those)
	80	01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
	81	02 = Stay Quiet
	82	OPTIONAL COMMANDS (not all tags support them)
	83	20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
	84	21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
	85	22 = Lock Block
	86	23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
	87	25 = Select
	88	26 = Reset to Ready
	89	27 = Write AFI
	90	28 = Lock AFI
	91	29 = Write DSFID
	92	2A = Lock DSFID
	93	2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
	94	2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
	95
	96	EM Microelectronic CUSTOM COMMANDS
	97	A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
	98	A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
	99	B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
	100	E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
101	NXP/Philips CUSTOM COMMANDS
102	A0 = Inventory Read
103	A1 = Fast Inventory Read
104	A2 = Set EAS
105	A3 = Reset EAS
106	A4 = Lock EAS
107	A5 = EAS Alarm
108	A6 = Password Protect EAS
109	A7 = Write EAS ID
110	A8 = Read EPC
111	B0 = Inventory Page Read
112	B1 = Fast Inventory Page Read
113	B2 = Get Random Number
114	B3 = Set Password
115	B4 = Write Password
116	B5 = Lock Password
117	B6 = Bit Password Protection
118	B7 = Lock Page Protection Condition
119	B8 = Get Multiple Block Protection Status
120	B9 = Destroy SLI
121	BA = Enable Privacy
122	BB = 64bit Password Protection
123	40 = Long Range CMD (Standard ISO/TR7003:1990)
124	*/
125
4c3de57a	126	#define ICLASS_CMD_ACTALL 0x0A
4df54240	127	#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
4c3de57a MHS	128	#define ICLASS_CMD_SELECT 0x81
	129	#define ICLASS_CMD_PAGESEL 0x84
	130	#define ICLASS_CMD_READCHECK 0x88
	131	#define ICLASS_CMD_CHECK 0x05
	132	#define ICLASS_CMD_SOF 0x0F
	133	#define ICLASS_CMD_HALT 0x00
	134
4df54240 MHS	135	#define ISO14443_CMD_REQA 0x26
	136	#define ISO14443_CMD_READBLOCK 0x30
	137	#define ISO14443_CMD_WUPA 0x52
	138	#define ISO14443_CMD_ANTICOLL_OR_SELECT 0x93
	139	#define ISO14443_CMD_ANTICOLL_OR_SELECT_2 0x95
	140	#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
	141	#define ISO14443_CMD_HALT 0x50
	142	#define ISO14443_CMD_RATS 0xE0
	143
	144	#define MIFARE_AUTH_KEYA 0x60
	145	#define MIFARE_AUTH_KEYB 0x61
	146	#define MIFARE_MAGICMODE 0x40
	147	#define MIFARE_CMD_INC 0xC0
	148	#define MIFARE_CMD_DEC 0xC1
	149	#define MIFARE_CMD_RESTORE 0xC2
	150	#define MIFARE_CMD_TRANSFER 0xB0
	151
	152	#define MIFARE_ULC_WRITE 0xA0
	153	#define MIFARE_ULC_AUTH_1 0x1A
	154	#define MIFARE_ULC_AUTH_2 0xAF
	155
	156	#define ISO14443B_REQB 0x05
	157	#define ISO14443B_ATTRIB 0x1D
	158	#define ISO14443B_HALT 0x50
	159
	160	//First byte is 26
	161	#define ISO15693_INVENTORY 0x01
	162	#define ISO15693_STAYQUIET 0x02
	163	//First byte is 02
	164	#define ISO15693_READBLOCK 0x20
	165	#define ISO15693_WRITEBLOCK 0x21
	166	#define ISO15693_LOCKBLOCK 0x22
	167	#define ISO15693_READ_MULTI_BLOCK 0x23
	168	#define ISO15693_SELECT 0x25
	169	#define ISO15693_RESET_TO_READY 0x26
	170	#define ISO15693_WRITE_AFI 0x27
	171	#define ISO15693_LOCK_AFI 0x28
	172	#define ISO15693_WRITE_DSFID 0x29
	173	#define ISO15693_LOCK_DSFID 0x2A
	174	#define ISO15693_GET_SYSTEM_INFO 0x2B
	175	#define ISO15693_READ_MULTI_SECSTATUS 0x2C
	176
	177
4c3de57a MHS	178
	179
	180	void annotateIso14443a(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	181	{
	182	switch(cmd[0])
	183	{
4df54240 MHS	184	case ISO14443_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
	185	case ISO14443_CMD_ANTICOLL_OR_SELECT:{
	186	// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	187	// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	188	if(cmd[2] == 0x70)
4c3de57a MHS	189	{
	190	snprintf(exp,size,"SELECT_UID"); break;
	191	}else
	192	{
4df54240 MHS	193	snprintf(exp,size,"ANTICOLL"); break;
	194	}
	195	}
	196	case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
	197	//95 20 = Anticollision of cascade level2
	198	//95 70 = Select of cascade level2
	199	if(cmd[2] == 0x70)
	200	{
	201	snprintf(exp,size,"SELECT_UID-2"); break;
	202	}else
	203	{
	204	snprintf(exp,size,"ANTICOLL-2"); break;
4c3de57a MHS	205	}
4c3de57a MHS	206	}
4df54240 MHS	207	case ISO14443_CMD_REQA: snprintf(exp,size,"REQA"); break;
	208	case ISO14443_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
	209	case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
	210	case ISO14443_CMD_HALT: snprintf(exp,size,"HALT"); break;
	211	case ISO14443_CMD_RATS: snprintf(exp,size,"RATS"); break;
	212	case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
	213	case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
	214	case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
	215	case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
	216	case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A"); break;
	217	case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B"); break;
	218	case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break;
	219	default: snprintf(exp,size,"?"); break;
4c3de57a MHS	220	}
	221	return;
	222	}
	223
	224	void annotateIclass(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	225	{
4c3de57a MHS	226	switch(cmd[0])
4c3de57a MHS	227	{
337818f7	228	case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
4df54240 MHS	229	case ICLASS_CMD_READ_OR_IDENTIFY:{
	230	if(cmdsize > 1){
	231	snprintf(exp,size,"READ(%d)",cmd[1]);
	232	}else{
	233	snprintf(exp,size,"IDENTIFY");
	234	}
	235	break;
	236	}
337818f7 MHS	237	case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
	238	case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL"); break;
	239	case ICLASS_CMD_READCHECK: snprintf(exp,size,"READCHECK"); break;
	240	case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
	241	case ICLASS_CMD_SOF: snprintf(exp,size,"SOF"); break;
	242	case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
	243	default: snprintf(exp,size,"?"); break;
4c3de57a MHS	244	}
	245	return;
	246	}
	247
4df54240 MHS	248	void annotateIso15693(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	249	{
	250
	251	if(cmd[0] == 0x26)
	252	{
	253	switch(cmd[1]){
	254	case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
	255	case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
	256	default: snprintf(exp,size,"?"); break;
4c3de57a	257
4df54240 MHS	258	}
	259	}else if(cmd[0] == 0x02)
	260	{
	261	switch(cmd[1])
	262	{
	263	case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
	264	case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
	265	case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
	266	case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
	267	case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
	268	case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
	269	case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
	270	case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
	271	case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
	272	case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
	273	case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
	274	case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
	275	default: snprintf(exp,size,"?"); break;
	276	}
	277	}
	278	}
4c3de57a MHS	279
	280	uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
	281	{
	282	bool isResponse;
	283	uint16_t duration, data_len,parity_len;
	284
	285	uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
	286	char explanation[30] = {0};
	287
	288	first_timestamp = ((uint32_t )(trace));
	289	timestamp = ((uint32_t )(trace + tracepos));
	290	// Break and stick with current result if buffer was not completely full
	291	if (timestamp == 0x44444444) return TRACE_SIZE;
	292
	293	tracepos += 4;
	294	duration = ((uint16_t )(trace + tracepos));
	295	tracepos += 2;
	296	data_len = ((uint16_t )(trace + tracepos));
	297	tracepos += 2;
	298
	299	if (data_len & 0x8000) {
	300	data_len &= 0x7fff;
	301	isResponse = true;
	302	} else {
	303	isResponse = false;
	304	}
	305	parity_len = (data_len-1)/8 + 1;
	306
	307	if (tracepos + data_len + parity_len >= TRACE_SIZE) {
	308	return TRACE_SIZE;
	309	}
	310
	311	uint8_t *frame = trace + tracepos;
	312	tracepos += data_len;
	313	uint8_t *parityBytes = trace + tracepos;
	314	tracepos += parity_len;
	315
	316	//--- Draw the data column
	317	char line[16][110];
	318	for (int j = 0; j < data_len; j++) {
	319	int oddparity = 0x01;
	320	int k;
	321
	322	for (k=0 ; k<8 ; k++) {
	323	oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
	324	}
	325
	326	uint8_t parityBits = parityBytes[j>>3];
	327
	328	if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
	329	sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
	330	} else {
	331	sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
	332	}
	333	}
	334	//--- Draw the CRC column
	335	bool crcError = false;
	336
	337	if (data_len > 2) {
	338	uint8_t b1, b2;
	339	if(iclass)
	340	{
	341	if(!isResponse && data_len == 4 ) {
	342	// Rough guess that this is a command from the reader
343	// For iClass the command byte is not part of the CRC
344	ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
345	}
346	else {
347	// For other data.. CRC might not be applicable (UPDATE commands etc.)
348	ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
349	}
350
351	if (b1 != frame[data_len-2] \|\| b2 != frame[data_len-1]) {
352	crcError = true;
353	}
354
355	}else{//Iso 14443a
356
357	ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
358
359	if (b1 != frame[data_len-2] \|\| b2 != frame[data_len-1]) {
360	if(!(isResponse & (data_len < 6)))
361	{
362	crcError = true;
363	}
364	}
365	}
366
367	}
368	char *crc = crcError ? "!crc" :" ";
369
370	EndOfTransmissionTimestamp = timestamp + duration;
371
372	if(!isResponse)
373	{
374	if(iclass) annotateIclass(explanation,sizeof(explanation),frame,data_len);
375	else annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
376	}
377
378	int num_lines = (data_len - 1)/16 + 1;
379	for (int j = 0; j < num_lines; j++) {
380	if (j == 0) {
381	PrintAndLog(" %9d \| %9d \| %s \| %-64s\| %s\| %s",
382	(timestamp - first_timestamp),
383	(EndOfTransmissionTimestamp - first_timestamp),
384	(isResponse ? "Tag" : "Rdr"),
385	line[j],
386	(j == num_lines-1) ? crc : " ",
387	(j == num_lines-1) ? explanation : "");
388	} else {
389	PrintAndLog(" \| \| \| %-64s\| %s\| %s",
390	line[j],
391	(j == num_lines-1)?crc:" ",
392	(j == num_lines-1) ? explanation : "");
393	}
394	}
395
396	bool next_isResponse = ((uint16_t )(trace + tracepos + 6)) & 0x8000;
397
398	if (showWaitCycles && !isResponse && next_isResponse) {
399	uint32_t next_timestamp = ((uint32_t )(trace + tracepos));
400	if (next_timestamp != 0x44444444) {
401	PrintAndLog(" %9d \| %9d \| %s \| fdt (Frame Delay Time): %d",
402	(EndOfTransmissionTimestamp - first_timestamp),
403	(next_timestamp - first_timestamp),
404	" ",
405	(next_timestamp - EndOfTransmissionTimestamp));
406	}
407	}
408	return tracepos;
409	}
410
411	int CmdHFList(const char *Cmd)
412	{
413	bool showWaitCycles = false;
414	char type[40] = {0};
415	int tlen = param_getstr(Cmd,0,type);
416	char param = param_getchar(Cmd, 1);
417	bool errors = false;
418	bool iclass = false;
419	//Validate params
420	if(tlen == 0 \|\| (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
421	{
422	errors = true;
423	}
424	if(param == 'h' \|\| (param !=0 && param != 'f'))
425	{
426	errors = true;
427	}
428
429	if (errors) {
430	PrintAndLog("List protocol data in trace buffer.");
431	PrintAndLog("Usage: hf list [14a\|iclass] [f]");
337818f7	432	PrintAndLog(" 14a - interpret data as iso14443a communications");
4c3de57a	433	PrintAndLog(" iclass - interpret data as iclass communications");
337818f7	434	PrintAndLog(" f - show frame delay times as well");
4c3de57a MHS	435	PrintAndLog("");
	436	PrintAndLog("example: hf list 14a f");
	437	PrintAndLog("example: hf list iclass");
	438	return 0;
	439	}
	440	if(strcmp(type, "iclass") == 0)
	441	{
	442	iclass = true;
	443	}
	444
	445	if (param == 'f') {
	446	showWaitCycles = true;
	447	}
	448
	449
	450	uint8_t trace[TRACE_SIZE];
	451	uint16_t tracepos = 0;
	452	GetFromBigBuf(trace, TRACE_SIZE, 0);
	453	WaitForResponse(CMD_ACK, NULL);
	454
	455	PrintAndLog("Recorded Activity");
	456	PrintAndLog("");
	457	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
	458	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
	459	PrintAndLog("iClass - Timings are not as accurate");
	460	PrintAndLog("");
	461	PrintAndLog(" Start \| End \| Src \| Data (! denotes parity error) \| CRC \| Annotation \|");
	462	PrintAndLog("-----------\|-----------\|-----\|-----------------------------------------------------------------\|-----\|--------------------\|");
	463
	464	while(tracepos < TRACE_SIZE)
	465	{
	466	tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
	467	}
	468	return 0;
	469	}
	470
7fe9b0b7	471
	472	static command_t CommandTable[] =
	473	{
	474	{"help", CmdHelp, 1, "This help"},
37239a7c	475	{"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
	476	{"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
	477	{"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
5acd09bd	478	{"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
8e220a91	479	{"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
cee5a30d	480	{"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
4c3de57a	481	{"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
c59c3405	482	{"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
4c3de57a MHS	483	{"list", CmdHFList, 1, "List protocol data in trace buffer"},
4c3de57a MHS	484	{NULL, NULL, 0, NULL}
7fe9b0b7	485	};
	486
	487	int CmdHF(const char *Cmd)
	488	{
	489	CmdsParse(CommandTable, Cmd);
	490	return 0;
	491	}
	492
	493	int CmdHelp(const char *Cmd)
	494	{
	495	CmdsHelp(CommandTable);
	496	return 0;
	497	}