[proxmark3-svn] / client / cmdhf14a.c

//-----------------------------------------------------------------------------
// 2011, Merlok
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
//
// 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 ISO14443A commands
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
#include "iso14443crc.h"
#include "data.h"
#include "proxmark3.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf14a.h"
#include "common.h"
#include "cmdmain.h"
#include "mifare.h"

static int CmdHelp(const char *Cmd);
static void waitCmd(uint8_t iLen);

int CmdHF14AList(const char *Cmd)
{
	PrintAndLog("Deprecated command, use 'hf list 14a' instead");
	return 0;
}

void iso14a_set_timeout(uint32_t timeout) {
	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	SendCommand(&c);
}

int CmdHF14AReader(const char *Cmd)
{
	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
	SendCommand(&c);

	UsbCommand resp;
	WaitForResponse(CMD_ACK,&resp);
	
	iso14a_card_select_t card;
	memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));

	uint64_t select_status = resp.arg[0];		// 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
	
	if(select_status == 0) {
		PrintAndLog("iso14443a card select failed");
		// disconnect
		c.arg[0] = 0;
		c.arg[1] = 0;
		c.arg[2] = 0;
		SendCommand(&c);
		return 0;
	}

	PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
	PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
	PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);

	switch (card.sak) {
		case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
		case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
		case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
		case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
		case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
		case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
		case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
		case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
		case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
		case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
		case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
		case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
		case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
		case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
		default: ;
	}

	
	// try to request ATS even if tag claims not to support it
	if (select_status == 2) {
		uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
		c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
		c.arg[1] = 2;
		c.arg[2] = 0;
		memcpy(c.d.asBytes, rats, 2);
		SendCommand(&c);
		WaitForResponse(CMD_ACK,&resp);
		
	    memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
		card.ats_len = resp.arg[0];				// note: ats_len includes CRC Bytes
	} 

	// disconnect
	c.arg[0] = 0;
	c.arg[1] = 0;
	c.arg[2] = 0;
	SendCommand(&c);

	
	if(card.ats_len >= 3) {			// a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
		bool ta1 = 0, tb1 = 0, tc1 = 0;
		int pos;

		if (select_status == 2) {
			PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
		}
		PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
		PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
		if (card.ats[0] != card.ats_len - 2) {
			PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
		}
		
		if (card.ats[0] > 1) {		// there is a format byte (T0)
			ta1 = (card.ats[1] & 0x10) == 0x10;
			tb1 = (card.ats[1] & 0x20) == 0x20;
			tc1 = (card.ats[1] & 0x40) == 0x40;
			int16_t fsci = card.ats[1] & 0x0f;
			PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
					"TC1 is%s present, FSCI is %d (FSC = %ld)",
				(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
				fsci,
				fsci < 5 ? (fsci - 2) * 8 : 
					fsci < 8 ? (fsci - 3) * 32 :
					fsci == 8 ? 256 :
					-1
				);
		}
		pos = 2;
		if (ta1) {
			char dr[16], ds[16];
			dr[0] = ds[0] = '\0';
			if (card.ats[pos] & 0x10) strcat(ds, "2, ");
			if (card.ats[pos] & 0x20) strcat(ds, "4, ");
			if (card.ats[pos] & 0x40) strcat(ds, "8, ");
			if (card.ats[pos] & 0x01) strcat(dr, "2, ");
			if (card.ats[pos] & 0x02) strcat(dr, "4, ");
			if (card.ats[pos] & 0x04) strcat(dr, "8, ");
			if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
			if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
			PrintAndLog("       - TA1 : different divisors are%s supported, "
					"DR: [%s], DS: [%s]",
					(card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
			pos++;
		}
		if (tb1) {
			uint32_t sfgi = card.ats[pos] & 0x0F;
			uint32_t fwi = card.ats[pos] >> 4;
			PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
					(sfgi),
					sfgi ? "" : "(not needed) ",
					sfgi ? (1 << 12) << sfgi : 0,
					fwi,
					(1 << 12) << fwi
					);
			pos++;
		}
		if (tc1) {
			PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
					(card.ats[pos] & 0x01) ? "" : " NOT",
					(card.ats[pos] & 0x02) ? "" : " NOT");
			pos++;
		}
		if (card.ats[0] > pos) {
			char *tip = "";
			if (card.ats[0] - pos >= 7) {
				if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
					tip = "-> MIFARE Plus X 2K or 4K";
				} else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
					tip = "-> MIFARE Plus S 2K or 4K";
				}
			} 
			PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
			if (card.ats[pos] == 0xC1) {
				PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
				PrintAndLog("                  %02x -> Length is %d bytes",
						card.ats[pos + 1], card.ats[pos + 1]);
				switch (card.ats[pos + 2] & 0xf0) {
					case 0x10:
						PrintAndLog("                     1x -> MIFARE DESFire");
						break;
					case 0x20:
						PrintAndLog("                     2x -> MIFARE Plus");
						break;
				}
				switch (card.ats[pos + 2] & 0x0f) {
					case 0x00:
						PrintAndLog("                     x0 -> <1 kByte");
						break;
					case 0x01:
						PrintAndLog("                     x0 -> 1 kByte");
						break;
					case 0x02:
						PrintAndLog("                     x0 -> 2 kByte");
						break;
					case 0x03:
						PrintAndLog("                     x0 -> 4 kByte");
						break;
					case 0x04:
						PrintAndLog("                     x0 -> 8 kByte");
						break;
				}
				switch (card.ats[pos + 3] & 0xf0) {
					case 0x00:
						PrintAndLog("                        0x -> Engineering sample");
						break;
					case 0x20:
						PrintAndLog("                        2x -> Released");
						break;
				}
				switch (card.ats[pos + 3] & 0x0f) {
					case 0x00:
						PrintAndLog("                        x0 -> Generation 1");
						break;
					case 0x01:
						PrintAndLog("                        x1 -> Generation 2");
						break;
					case 0x02:
						PrintAndLog("                        x2 -> Generation 3");
						break;
				}
				switch (card.ats[pos + 4] & 0x0f) {
					case 0x00:
						PrintAndLog("                           x0 -> Only VCSL supported");
						break;
					case 0x01:
						PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
						break;
					case 0x0E:
						PrintAndLog("                           xE -> no VCS command supported");
						break;
				}
			}
		}
	} else {
		PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
	}

	return select_status;
}

// Collect ISO14443 Type A UIDs
int CmdHF14ACUIDs(const char *Cmd)
{
	// requested number of UIDs
	int n = atoi(Cmd);
	// collect at least 1 (e.g. if no parameter was given)
	n = n > 0 ? n : 1;

	PrintAndLog("Collecting %d UIDs", n);
	PrintAndLog("Start: %u", time(NULL));
	// repeat n times
	for (int i = 0; i < n; i++) {
		// execute anticollision procedure
		UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
		SendCommand(&c);
    
		UsbCommand resp;
		WaitForResponse(CMD_ACK,&resp);

		iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;

		// check if command failed
		if (resp.arg[0] == 0) {
			PrintAndLog("Card select failed.");
		} else {
			char uid_string[20];
			for (uint16_t i = 0; i < card->uidlen; i++) {
				sprintf(&uid_string[2*i], "%02X", card->uid[i]);
			}
			PrintAndLog("%s", uid_string);
		}
	}
	PrintAndLog("End: %u", time(NULL));

	return 1;
}

// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
{
	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	
	// Retrieve the tag type
	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	
	// When no argument was given, just print help message
	if (tagtype == 0) {
		PrintAndLog("");
		PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
		PrintAndLog("");
		PrintAndLog("   syntax: hf 14a sim <type> <uid>");
		PrintAndLog("    types: 1 = MIFARE Classic");
		PrintAndLog("           2 = MIFARE Ultralight");
		PrintAndLog("           3 = MIFARE DESFIRE");
		PrintAndLog("           4 = ISO/IEC 14443-4");
		PrintAndLog("           5 = MIFARE TNP3XXX");		
		PrintAndLog("");
		return 1;
	}
	
	// Store the tag type
	c.arg[0] = tagtype;
	
	// Retrieve the full 4 or 7 byte long uid 
	uint64_t long_uid = param_get64ex(Cmd,1,0,16);

	// Are we handling the (optional) second part uid?
	if (long_uid > 0xffffffff) {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
		// Store the second part
		c.arg[2] = (long_uid & 0xffffffff);
		long_uid >>= 32;
		// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
		c.arg[1] = (long_uid & 0xffffff);
	} else {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
		// Only store the first part
		c.arg[1] = long_uid & 0xffffffff;
	}
/*
		// At lease save the mandatory first part of the UID
		c.arg[0] = long_uid & 0xffffffff;

	if (c.arg[1] == 0) {
		PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	}
	
	switch (c.arg[0]) {
		case 1: {
			PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
			UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
		} break;
		case 2: {
			PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
		} break;
		default: {
			PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
			PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
			PrintAndLog(" type1: 4 ",c.arg[0]);

			return 1;
		} break;
	}	
*/
/*
  unsigned int hi = 0, lo = 0;
  int n = 0, i = 0;
  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
    hi= (hi << 4) | (lo >> 28);
    lo= (lo << 4) | (n & 0xf);
  }
*/
//	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
//  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
  SendCommand(&c);
  return 0;
}

int CmdHF14ASnoop(const char *Cmd) {
	int param = 0;
	
	if (param_getchar(Cmd, 0) == 'h') {
		PrintAndLog("It get data from the field and saves it into command buffer.");
		PrintAndLog("Buffer accessible from command hf list 14a.");
		PrintAndLog("Usage:  hf 14a snoop [c][r]");
		PrintAndLog("c - triggered by first data from card");
		PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
		PrintAndLog("sample: hf 14a snoop c r");
		return 0;
	}	
	
	for (int i = 0; i < 2; i++) {
		char ctmp = param_getchar(Cmd, i);
		if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
		if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
	}

  UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
  SendCommand(&c);
  return 0;
}

int CmdHF14ACmdRaw(const char *cmd) {
    UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
    uint8_t reply=1;
    uint8_t crc=0;
    uint8_t power=0;
    uint8_t active=0;
    uint8_t active_select=0;
    uint16_t numbits=0;
    char buf[5]="";
    int i=0;
    uint8_t data[100];
    unsigned int datalen=0, temp;

    if (strlen(cmd)<2) {
        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
        PrintAndLog("       -r    do not read response");
        PrintAndLog("       -c    calculate and append CRC");
        PrintAndLog("       -p    leave the signal field ON after receive");
        PrintAndLog("       -a    active signal field ON without select");
        PrintAndLog("       -s    active signal field ON with select");
        PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
        return 0;
    }

    // strip
    while (*cmd==' ' || *cmd=='\t') cmd++;

    while (cmd[i]!='\0') {
        if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
        if (cmd[i]=='-') {
            switch (cmd[i+1]) {
                case 'r': 
                    reply=0;
                    break;
                case 'c':
                    crc=1;
                    break;
                case 'p':
                    power=1;
                    break;
                case 'a':
                    active=1;
                    break;
                case 's':
                    active_select=1;
                    break;
                case 'b': 
                    sscanf(cmd+i+2,"%d",&temp);
                    numbits = temp & 0xFFFF;
                    i+=3;
                    while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
                    i-=2;
                    break;
                default:
                    PrintAndLog("Invalid option");
                    return 0;
            }
            i+=2;
            continue;
        }
        if ((cmd[i]>='0' && cmd[i]<='9') ||
            (cmd[i]>='a' && cmd[i]<='f') ||
            (cmd[i]>='A' && cmd[i]<='F') ) {
            buf[strlen(buf)+1]=0;
            buf[strlen(buf)]=cmd[i];
            i++;

            if (strlen(buf)>=2) {
                sscanf(buf,"%x",&temp);
                data[datalen]=(uint8_t)(temp & 0xff);
                datalen++;
                *buf=0;
            }
            continue;
        }
        PrintAndLog("Invalid char on input");
        return 0;
    }
    if(crc && datalen>0)
    {
        uint8_t first, second;
        ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
        data[datalen++] = first;
        data[datalen++] = second;
    }

    if(active || active_select)
    {
        c.arg[0] |= ISO14A_CONNECT;
        if(active)
            c.arg[0] |= ISO14A_NO_SELECT;
    }
    if(power)
        c.arg[0] |= ISO14A_NO_DISCONNECT;
    if(datalen>0)
        c.arg[0] |= ISO14A_RAW;

    c.arg[1] = datalen;
    c.arg[2] = numbits;
    memcpy(c.d.asBytes,data,datalen);

    SendCommand(&c);

    if (reply) {
        if(active_select)
            waitCmd(1);
        if(datalen>0)
            waitCmd(0);
    } // if reply
    return 0;
}

static void waitCmd(uint8_t iSelect)
{
    uint8_t *recv;
    UsbCommand resp;
    char *hexout;

    if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
        recv = resp.d.asBytes;
        uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
        PrintAndLog("received %i octets",iLen);
        if(!iLen)
            return;
        hexout = (char *)malloc(iLen * 3 + 1);
        if (hexout != NULL) {
            for (int i = 0; i < iLen; i++) { // data in hex
                sprintf(&hexout[i * 3], "%02X ", recv[i]);
            }
            PrintAndLog("%s", hexout);
            free(hexout);
        } else {
            PrintAndLog("malloc failed your client has low memory?");
        }
    } else {
        PrintAndLog("timeout while waiting for reply.");
    }
}

static command_t CommandTable[] = 
{
  {"help",   CmdHelp,              1, "This help"},
  {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
  {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
  {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
  {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
  {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
  {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
  {NULL, NULL, 0, NULL}
};

int CmdHF14A(const char *Cmd) {
	// flush
	WaitForResponseTimeout(CMD_ACK,NULL,100);

	// parse
  CmdsParse(CommandTable, Cmd);
  return 0;
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
f89c7050	2	// 2011, Merlok
534983d7	3	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
a553f267	4	//
	5	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	6	// at your option, any later version. See the LICENSE.txt file for the text of
	7	// the license.
	8	//-----------------------------------------------------------------------------
	9	// High frequency ISO14443A commands
	10	//-----------------------------------------------------------------------------
	11
7fe9b0b7	12	#include <stdio.h>
590f8ff9	13	#include <stdlib.h>
7fe9b0b7	14	#include <string.h>
f397b5cc	15	#include <unistd.h>
20f9a2a1	16	#include "util.h"
7fe9b0b7	17	#include "iso14443crc.h"
7fe9b0b7	18	#include "data.h"
902cb3c0	19	#include "proxmark3.h"
7fe9b0b7	20	#include "ui.h"
	21	#include "cmdparser.h"
	22	#include "cmdhf14a.h"
534983d7	23	#include "common.h"
20f9a2a1	24	#include "cmdmain.h"
902cb3c0	25	#include "mifare.h"
7fe9b0b7	26
7fe9b0b7	27	static int CmdHelp(const char *Cmd);
5f6d6c90	28	static void waitCmd(uint8_t iLen);
7fe9b0b7	29
	30	int CmdHF14AList(const char *Cmd)
	31	{
4c3de57a	32	PrintAndLog("Deprecated command, use 'hf list 14a' instead");
f89c7050	33	return 0;
7fe9b0b7	34	}
7fe9b0b7	35
534983d7	36	void iso14a_set_timeout(uint32_t timeout) {
	37	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	38	SendCommand(&c);
	39	}
	40
7fe9b0b7	41	int CmdHF14AReader(const char *Cmd)
7fe9b0b7	42	{
19d6d91f	43	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT \| ISO14A_NO_DISCONNECT, 0, 0}};
534983d7	44	SendCommand(&c);
902cb3c0	45
902cb3c0	46	UsbCommand resp;
7bc95e2e	47	WaitForResponse(CMD_ACK,&resp);
902cb3c0	48
19d6d91f	49	iso14a_card_select_t card;
19d6d91f	50	memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
534983d7	51
9a573554	52	uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
19d6d91f	53
19d6d91f	54	if(select_status == 0) {
534983d7	55	PrintAndLog("iso14443a card select failed");
52bfb955	56	// disconnect
	57	c.arg[0] = 0;
	58	c.arg[1] = 0;
	59	c.arg[2] = 0;
	60	SendCommand(&c);
534983d7	61	return 0;
	62	}
	63
19d6d91f	64	PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
	65	PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
	66	PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
713e7ffb	67
19d6d91f	68	switch (card.sak) {
79a73ab2	69	case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight \| Ultralight C"); break;
3fe4ff4f	70	case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
79a73ab2	71	case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
e691fc45	72	case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k \| Plus 2k SL1"); break;
79a73ab2	73	case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
e691fc45	74	case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
	75	case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
	76	case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k \| Plus 4k SL1"); break;
	77	case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k \| DESFire EV1 2k/4k/8k \| Plus 2k/4k SL3 \| JCOP 31/41"); break;
79a73ab2	78	case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire \| DESFire EV1"); break;
	79	case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
	80	case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
	81	case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
	82	case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
9ca155ba M	83	default: ;
9ca155ba M	84	}
19d6d91f	85
	86
	87	// try to request ATS even if tag claims not to support it
	88	if (select_status == 2) {
	89	uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
	90	c.arg[0] = ISO14A_RAW \| ISO14A_APPEND_CRC \| ISO14A_NO_DISCONNECT;
	91	c.arg[1] = 2;
	92	c.arg[2] = 0;
	93	memcpy(c.d.asBytes, rats, 2);
	94	SendCommand(&c);
	95	WaitForResponse(CMD_ACK,&resp);
	96
	97	memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
9a573554	98	card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
19d6d91f	99	}
	100
	101	// disconnect
	102	c.arg[0] = 0;
	103	c.arg[1] = 0;
	104	c.arg[2] = 0;
	105	SendCommand(&c);
	106
	107
9a573554	108	if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
561f7c11	109	bool ta1 = 0, tb1 = 0, tc1 = 0;
	110	int pos;
	111
9a573554	112	if (select_status == 2) {
19d6d91f	113	PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
	114	}
	115	PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
9a573554	116	PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
	117	if (card.ats[0] != card.ats_len - 2) {
	118	PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
561f7c11	119	}
9a573554	120
9a573554	121	if (card.ats[0] > 1) { // there is a format byte (T0)
19d6d91f	122	ta1 = (card.ats[1] & 0x10) == 0x10;
	123	tb1 = (card.ats[1] & 0x20) == 0x20;
	124	tc1 = (card.ats[1] & 0x40) == 0x40;
9a573554	125	int16_t fsci = card.ats[1] & 0x0f;
561f7c11	126	PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
9a573554	127	"TC1 is%s present, FSCI is %d (FSC = %ld)",
561f7c11	128	(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
9a573554	129	fsci,
	130	fsci < 5 ? (fsci - 2) * 8 :
	131	fsci < 8 ? (fsci - 3) * 32 :
	132	fsci == 8 ? 256 :
	133	-1
	134	);
561f7c11	135	}
561f7c11	136	pos = 2;
9a573554	137	if (ta1) {
561f7c11	138	char dr[16], ds[16];
561f7c11	139	dr[0] = ds[0] = '\0';
19d6d91f	140	if (card.ats[pos] & 0x10) strcat(ds, "2, ");
	141	if (card.ats[pos] & 0x20) strcat(ds, "4, ");
	142	if (card.ats[pos] & 0x40) strcat(ds, "8, ");
	143	if (card.ats[pos] & 0x01) strcat(dr, "2, ");
	144	if (card.ats[pos] & 0x02) strcat(dr, "4, ");
	145	if (card.ats[pos] & 0x04) strcat(dr, "8, ");
561f7c11	146	if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
	147	if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
	148	PrintAndLog(" - TA1 : different divisors are%s supported, "
	149	"DR: [%s], DS: [%s]",
19d6d91f	150	(card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
561f7c11	151	pos++;
561f7c11	152	}
9a573554	153	if (tb1) {
	154	uint32_t sfgi = card.ats[pos] & 0x0F;
	155	uint32_t fwi = card.ats[pos] >> 4;
	156	PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
	157	(sfgi),
	158	sfgi ? "" : "(not needed) ",
	159	sfgi ? (1 << 12) << sfgi : 0,
	160	fwi,
	161	(1 << 12) << fwi
	162	);
561f7c11	163	pos++;
561f7c11	164	}
9a573554	165	if (tc1) {
561f7c11	166	PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
19d6d91f	167	(card.ats[pos] & 0x01) ? "" : " NOT",
19d6d91f	168	(card.ats[pos] & 0x02) ? "" : " NOT");
561f7c11	169	pos++;
561f7c11	170	}
9a573554	171	if (card.ats[0] > pos) {
561f7c11	172	char *tip = "";
9a573554	173	if (card.ats[0] - pos >= 7) {
19d6d91f	174	if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
561f7c11	175	tip = "-> MIFARE Plus X 2K or 4K";
19d6d91f	176	} else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
561f7c11	177	tip = "-> MIFARE Plus S 2K or 4K";
	178	}
	179	}
9a573554	180	PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
19d6d91f	181	if (card.ats[pos] == 0xC1) {
561f7c11	182	PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
561f7c11	183	PrintAndLog(" %02x -> Length is %d bytes",
19d6d91f	184	card.ats[pos + 1], card.ats[pos + 1]);
19d6d91f	185	switch (card.ats[pos + 2] & 0xf0) {
561f7c11	186	case 0x10:
	187	PrintAndLog(" 1x -> MIFARE DESFire");
	188	break;
	189	case 0x20:
	190	PrintAndLog(" 2x -> MIFARE Plus");
	191	break;
	192	}
19d6d91f	193	switch (card.ats[pos + 2] & 0x0f) {
561f7c11	194	case 0x00:
	195	PrintAndLog(" x0 -> <1 kByte");
	196	break;
	197	case 0x01:
	198	PrintAndLog(" x0 -> 1 kByte");
	199	break;
	200	case 0x02:
	201	PrintAndLog(" x0 -> 2 kByte");
	202	break;
	203	case 0x03:
	204	PrintAndLog(" x0 -> 4 kByte");
	205	break;
	206	case 0x04:
	207	PrintAndLog(" x0 -> 8 kByte");
	208	break;
	209	}
19d6d91f	210	switch (card.ats[pos + 3] & 0xf0) {
561f7c11	211	case 0x00:
	212	PrintAndLog(" 0x -> Engineering sample");
	213	break;
	214	case 0x20:
	215	PrintAndLog(" 2x -> Released");
	216	break;
	217	}
19d6d91f	218	switch (card.ats[pos + 3] & 0x0f) {
561f7c11	219	case 0x00:
	220	PrintAndLog(" x0 -> Generation 1");
	221	break;
	222	case 0x01:
	223	PrintAndLog(" x1 -> Generation 2");
	224	break;
	225	case 0x02:
	226	PrintAndLog(" x2 -> Generation 3");
	227	break;
	228	}
19d6d91f	229	switch (card.ats[pos + 4] & 0x0f) {
561f7c11	230	case 0x00:
	231	PrintAndLog(" x0 -> Only VCSL supported");
	232	break;
	233	case 0x01:
	234	PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
	235	break;
	236	case 0x0E:
	237	PrintAndLog(" xE -> no VCS command supported");
	238	break;
	239	}
	240	}
	241	}
79a73ab2	242	} else {
19d6d91f	243	PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
19d6d91f	244	}
534983d7	245
19d6d91f	246	return select_status;
7fe9b0b7	247	}
7fe9b0b7	248
db22dfe6	249	// Collect ISO14443 Type A UIDs
	250	int CmdHF14ACUIDs(const char *Cmd)
	251	{
	252	// requested number of UIDs
	253	int n = atoi(Cmd);
	254	// collect at least 1 (e.g. if no parameter was given)
	255	n = n > 0 ? n : 1;
	256
	257	PrintAndLog("Collecting %d UIDs", n);
	258	PrintAndLog("Start: %u", time(NULL));
	259	// repeat n times
	260	for (int i = 0; i < n; i++) {
	261	// execute anticollision procedure
	262	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	263	SendCommand(&c);
902cb3c0	264
72b1090a	265	UsbCommand resp;
72b1090a	266	WaitForResponse(CMD_ACK,&resp);
902cb3c0	267
72b1090a	268	iso14a_card_select_t card = (iso14a_card_select_t ) resp.d.asBytes;
db22dfe6	269
db22dfe6	270	// check if command failed
902cb3c0	271	if (resp.arg[0] == 0) {
db22dfe6	272	PrintAndLog("Card select failed.");
db22dfe6	273	} else {
72b1090a	274	char uid_string[20];
	275	for (uint16_t i = 0; i < card->uidlen; i++) {
	276	sprintf(&uid_string[2*i], "%02X", card->uid[i]);
db22dfe6	277	}
72b1090a	278	PrintAndLog("%s", uid_string);
db22dfe6	279	}
	280	}
	281	PrintAndLog("End: %u", time(NULL));
	282
	283	return 1;
	284	}
	285
7fe9b0b7	286	// ## simulate iso14443a tag
	287	// ## greg - added ability to specify tag UID
	288	int CmdHF14ASim(const char *Cmd)
81cd0474	289	{
	290	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	291
	292	// Retrieve the tag type
	293	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	294
	295	// When no argument was given, just print help message
	296	if (tagtype == 0) {
	297	PrintAndLog("");
	298	PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
	299	PrintAndLog("");
	300	PrintAndLog(" syntax: hf 14a sim <type> <uid>");
	301	PrintAndLog(" types: 1 = MIFARE Classic");
	302	PrintAndLog(" 2 = MIFARE Ultralight");
	303	PrintAndLog(" 3 = MIFARE DESFIRE");
	304	PrintAndLog(" 4 = ISO/IEC 14443-4");
3fe4ff4f	305	PrintAndLog(" 5 = MIFARE TNP3XXX");
81cd0474	306	PrintAndLog("");
	307	return 1;
	308	}
	309
	310	// Store the tag type
	311	c.arg[0] = tagtype;
	312
	313	// Retrieve the full 4 or 7 byte long uid
	314	uint64_t long_uid = param_get64ex(Cmd,1,0,16);
	315
	316	// Are we handling the (optional) second part uid?
	317	if (long_uid > 0xffffffff) {
125a98a1	318	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
81cd0474	319	// Store the second part
	320	c.arg[2] = (long_uid & 0xffffffff);
	321	long_uid >>= 32;
	322	// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
	323	c.arg[1] = (long_uid & 0xffffff);
	324	} else {
	325	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
	326	// Only store the first part
	327	c.arg[1] = long_uid & 0xffffffff;
	328	}
	329	/*
	330	// At lease save the mandatory first part of the UID
	331	c.arg[0] = long_uid & 0xffffffff;
	332
81cd0474	333	if (c.arg[1] == 0) {
	334	PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	335	}
	336
	337	switch (c.arg[0]) {
	338	case 1: {
	339	PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
	340	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
	341	} break;
	342	case 2: {
	343	PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
	344	} break;
	345	default: {
	346	PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
	347	PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
	348	PrintAndLog(" type1: 4 ",c.arg[0]);
	349
	350	return 1;
	351	} break;
	352	}
	353	*/
	354	/*
7fe9b0b7	355	unsigned int hi = 0, lo = 0;
	356	int n = 0, i = 0;
	357	while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
	358	hi= (hi << 4) \| (lo >> 28);
	359	lo= (lo << 4) \| (n & 0xf);
	360	}
81cd0474	361	*/
	362	// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
	363	// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
7fe9b0b7	364	SendCommand(&c);
	365	return 0;
	366	}
	367
5cd9ec01 M	368	int CmdHF14ASnoop(const char *Cmd) {
	369	int param = 0;
	370
	371	if (param_getchar(Cmd, 0) == 'h') {
	372	PrintAndLog("It get data from the field and saves it into command buffer.");
4c3de57a	373	PrintAndLog("Buffer accessible from command hf list 14a.");
5cd9ec01 M	374	PrintAndLog("Usage: hf 14a snoop [c][r]");
	375	PrintAndLog("c - triggered by first data from card");
	376	PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
	377	PrintAndLog("sample: hf 14a snoop c r");
	378	return 0;
	379	}
	380
	381	for (int i = 0; i < 2; i++) {
	382	char ctmp = param_getchar(Cmd, i);
	383	if (ctmp == 'c' \|\| ctmp == 'C') param \|= 0x01;
	384	if (ctmp == 'r' \|\| ctmp == 'R') param \|= 0x02;
	385	}
	386
	387	UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
7fe9b0b7	388	SendCommand(&c);
	389	return 0;
	390	}
	391
5f6d6c90	392	int CmdHF14ACmdRaw(const char *cmd) {
	393	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
	394	uint8_t reply=1;
	395	uint8_t crc=0;
	396	uint8_t power=0;
	397	uint8_t active=0;
	398	uint8_t active_select=0;
	399	uint16_t numbits=0;
	400	char buf[5]="";
	401	int i=0;
	402	uint8_t data[100];
	403	unsigned int datalen=0, temp;
	404
	405	if (strlen(cmd)<2) {
	406	PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
	407	PrintAndLog(" -r do not read response");
	408	PrintAndLog(" -c calculate and append CRC");
	409	PrintAndLog(" -p leave the signal field ON after receive");
	410	PrintAndLog(" -a active signal field ON without select");
	411	PrintAndLog(" -s active signal field ON with select");
	412	PrintAndLog(" -b number of bits to send. Useful for send partial byte");
	413	return 0;
	414	}
	415
	416	// strip
	417	while (cmd==' ' \|\| cmd=='\t') cmd++;
	418
	419	while (cmd[i]!='\0') {
	420	if (cmd[i]==' ' \|\| cmd[i]=='\t') { i++; continue; }
	421	if (cmd[i]=='-') {
	422	switch (cmd[i+1]) {
	423	case 'r':
	424	reply=0;
	425	break;
	426	case 'c':
	427	crc=1;
	428	break;
	429	case 'p':
	430	power=1;
	431	break;
	432	case 'a':
	433	active=1;
	434	break;
	435	case 's':
	436	active_select=1;
	437	break;
	438	case 'b':
	439	sscanf(cmd+i+2,"%d",&temp);
	440	numbits = temp & 0xFFFF;
	441	i+=3;
	442	while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
	443	i-=2;
	444	break;
	445	default:
	446	PrintAndLog("Invalid option");
	447	return 0;
	448	}
	449	i+=2;
	450	continue;
	451	}
	452	if ((cmd[i]>='0' && cmd[i]<='9') \|\|
	453	(cmd[i]>='a' && cmd[i]<='f') \|\|
	454	(cmd[i]>='A' && cmd[i]<='F') ) {
	455	buf[strlen(buf)+1]=0;
456	buf[strlen(buf)]=cmd[i];
457	i++;
458
459	if (strlen(buf)>=2) {
460	sscanf(buf,"%x",&temp);
461	data[datalen]=(uint8_t)(temp & 0xff);
462	datalen++;
463	*buf=0;
464	}
465	continue;
466	}
467	PrintAndLog("Invalid char on input");
468	return 0;
469	}
470	if(crc && datalen>0)
471	{
472	uint8_t first, second;
473	ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
474	data[datalen++] = first;
475	data[datalen++] = second;
476	}
477
478	if(active \|\| active_select)
479	{
480	c.arg[0] \|= ISO14A_CONNECT;
481	if(active)
482	c.arg[0] \|= ISO14A_NO_SELECT;
483	}
484	if(power)
485	c.arg[0] \|= ISO14A_NO_DISCONNECT;
486	if(datalen>0)
487	c.arg[0] \|= ISO14A_RAW;
488
489	c.arg[1] = datalen;
490	c.arg[2] = numbits;
491	memcpy(c.d.asBytes,data,datalen);
492
493	SendCommand(&c);
494
495	if (reply) {
496	if(active_select)
497	waitCmd(1);
498	if(datalen>0)
499	waitCmd(0);
500	} // if reply
501	return 0;
502	}
503
504	static void waitCmd(uint8_t iSelect)
505	{
506	uint8_t *recv;
507	UsbCommand resp;
508	char *hexout;
509
510	if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
511	recv = resp.d.asBytes;
512	uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
513	PrintAndLog("received %i octets",iLen);
514	if(!iLen)
515	return;
516	hexout = (char )malloc(iLen 3 + 1);
517	if (hexout != NULL) {
5f6d6c90	518	for (int i = 0; i < iLen; i++) { // data in hex
f66021cf	519	sprintf(&hexout[i * 3], "%02X ", recv[i]);
5f6d6c90	520	}
	521	PrintAndLog("%s", hexout);
	522	free(hexout);
	523	} else {
	524	PrintAndLog("malloc failed your client has low memory?");
	525	}
	526	} else {
	527	PrintAndLog("timeout while waiting for reply.");
	528	}
	529	}
	530
7fe9b0b7	531	static command_t CommandTable[] =
7fe9b0b7	532	{
5acd09bd	533	{"help", CmdHelp, 1, "This help"},
4c3de57a	534	{"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
5acd09bd	535	{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
	536	{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
	537	{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
	538	{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
5f6d6c90	539	{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
7fe9b0b7	540	{NULL, NULL, 0, NULL}
	541	};
	542
902cb3c0	543	int CmdHF14A(const char *Cmd) {
f397b5cc	544	// flush
902cb3c0	545	WaitForResponseTimeout(CMD_ACK,NULL,100);
f397b5cc M	546
f397b5cc M	547	// parse
7fe9b0b7	548	CmdsParse(CommandTable, Cmd);
	549	return 0;
	550	}
	551
	552	int CmdHelp(const char *Cmd)
	553	{
	554	CmdsHelp(CommandTable);
	555	return 0;
	556	}