[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 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("");
		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;

	
	// 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;
79a73ab2	70	case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
e691fc45	71	case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k \| Plus 2k SL1"); break;
79a73ab2	72	case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
e691fc45	73	case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
	74	case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
	75	case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k \| Plus 4k SL1"); break;
	76	case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k \| DESFire EV1 2k/4k/8k \| Plus 2k/4k SL3 \| JCOP 31/41"); break;
79a73ab2	77	case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire \| DESFire EV1"); break;
	78	case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
	79	case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
	80	case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
	81	case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
9ca155ba M	82	default: ;
9ca155ba M	83	}
19d6d91f	84
	85
	86	// try to request ATS even if tag claims not to support it
	87	if (select_status == 2) {
	88	uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
	89	c.arg[0] = ISO14A_RAW \| ISO14A_APPEND_CRC \| ISO14A_NO_DISCONNECT;
	90	c.arg[1] = 2;
	91	c.arg[2] = 0;
	92	memcpy(c.d.asBytes, rats, 2);
	93	SendCommand(&c);
	94	WaitForResponse(CMD_ACK,&resp);
	95
	96	memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
9a573554	97	card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
19d6d91f	98	}
	99
	100	// disconnect
	101	c.arg[0] = 0;
	102	c.arg[1] = 0;
	103	c.arg[2] = 0;
	104	SendCommand(&c);
	105
	106
9a573554	107	if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
561f7c11	108	bool ta1 = 0, tb1 = 0, tc1 = 0;
	109	int pos;
	110
9a573554	111	if (select_status == 2) {
19d6d91f	112	PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
	113	}
	114	PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
9a573554	115	PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
	116	if (card.ats[0] != card.ats_len - 2) {
	117	PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
561f7c11	118	}
9a573554	119
9a573554	120	if (card.ats[0] > 1) { // there is a format byte (T0)
19d6d91f	121	ta1 = (card.ats[1] & 0x10) == 0x10;
	122	tb1 = (card.ats[1] & 0x20) == 0x20;
	123	tc1 = (card.ats[1] & 0x40) == 0x40;
9a573554	124	int16_t fsci = card.ats[1] & 0x0f;
561f7c11	125	PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
9a573554	126	"TC1 is%s present, FSCI is %d (FSC = %ld)",
561f7c11	127	(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
9a573554	128	fsci,
	129	fsci < 5 ? (fsci - 2) * 8 :
	130	fsci < 8 ? (fsci - 3) * 32 :
	131	fsci == 8 ? 256 :
	132	-1
	133	);
561f7c11	134	}
561f7c11	135	pos = 2;
9a573554	136	if (ta1) {
561f7c11	137	char dr[16], ds[16];
561f7c11	138	dr[0] = ds[0] = '\0';
19d6d91f	139	if (card.ats[pos] & 0x10) strcat(ds, "2, ");
	140	if (card.ats[pos] & 0x20) strcat(ds, "4, ");
	141	if (card.ats[pos] & 0x40) strcat(ds, "8, ");
	142	if (card.ats[pos] & 0x01) strcat(dr, "2, ");
	143	if (card.ats[pos] & 0x02) strcat(dr, "4, ");
	144	if (card.ats[pos] & 0x04) strcat(dr, "8, ");
561f7c11	145	if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
	146	if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
	147	PrintAndLog(" - TA1 : different divisors are%s supported, "
	148	"DR: [%s], DS: [%s]",
19d6d91f	149	(card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
561f7c11	150	pos++;
561f7c11	151	}
9a573554	152	if (tb1) {
	153	uint32_t sfgi = card.ats[pos] & 0x0F;
	154	uint32_t fwi = card.ats[pos] >> 4;
	155	PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
	156	(sfgi),
	157	sfgi ? "" : "(not needed) ",
	158	sfgi ? (1 << 12) << sfgi : 0,
	159	fwi,
	160	(1 << 12) << fwi
	161	);
561f7c11	162	pos++;
561f7c11	163	}
9a573554	164	if (tc1) {
561f7c11	165	PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
19d6d91f	166	(card.ats[pos] & 0x01) ? "" : " NOT",
19d6d91f	167	(card.ats[pos] & 0x02) ? "" : " NOT");
561f7c11	168	pos++;
561f7c11	169	}
9a573554	170	if (card.ats[0] > pos) {
561f7c11	171	char *tip = "";
9a573554	172	if (card.ats[0] - pos >= 7) {
19d6d91f	173	if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
561f7c11	174	tip = "-> MIFARE Plus X 2K or 4K";
19d6d91f	175	} else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
561f7c11	176	tip = "-> MIFARE Plus S 2K or 4K";
	177	}
	178	}
9a573554	179	PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
19d6d91f	180	if (card.ats[pos] == 0xC1) {
561f7c11	181	PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
561f7c11	182	PrintAndLog(" %02x -> Length is %d bytes",
19d6d91f	183	card.ats[pos + 1], card.ats[pos + 1]);
19d6d91f	184	switch (card.ats[pos + 2] & 0xf0) {
561f7c11	185	case 0x10:
	186	PrintAndLog(" 1x -> MIFARE DESFire");
	187	break;
	188	case 0x20:
	189	PrintAndLog(" 2x -> MIFARE Plus");
	190	break;
	191	}
19d6d91f	192	switch (card.ats[pos + 2] & 0x0f) {
561f7c11	193	case 0x00:
	194	PrintAndLog(" x0 -> <1 kByte");
	195	break;
	196	case 0x01:
	197	PrintAndLog(" x0 -> 1 kByte");
	198	break;
	199	case 0x02:
	200	PrintAndLog(" x0 -> 2 kByte");
	201	break;
	202	case 0x03:
	203	PrintAndLog(" x0 -> 4 kByte");
	204	break;
	205	case 0x04:
	206	PrintAndLog(" x0 -> 8 kByte");
	207	break;
	208	}
19d6d91f	209	switch (card.ats[pos + 3] & 0xf0) {
561f7c11	210	case 0x00:
	211	PrintAndLog(" 0x -> Engineering sample");
	212	break;
	213	case 0x20:
	214	PrintAndLog(" 2x -> Released");
	215	break;
	216	}
19d6d91f	217	switch (card.ats[pos + 3] & 0x0f) {
561f7c11	218	case 0x00:
	219	PrintAndLog(" x0 -> Generation 1");
	220	break;
	221	case 0x01:
	222	PrintAndLog(" x1 -> Generation 2");
	223	break;
	224	case 0x02:
	225	PrintAndLog(" x2 -> Generation 3");
	226	break;
	227	}
19d6d91f	228	switch (card.ats[pos + 4] & 0x0f) {
561f7c11	229	case 0x00:
	230	PrintAndLog(" x0 -> Only VCSL supported");
	231	break;
	232	case 0x01:
	233	PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
	234	break;
	235	case 0x0E:
	236	PrintAndLog(" xE -> no VCS command supported");
	237	break;
	238	}
	239	}
	240	}
79a73ab2	241	} else {
19d6d91f	242	PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
19d6d91f	243	}
534983d7	244
19d6d91f	245	return select_status;
7fe9b0b7	246	}
7fe9b0b7	247
db22dfe6	248	// Collect ISO14443 Type A UIDs
	249	int CmdHF14ACUIDs(const char *Cmd)
	250	{
	251	// requested number of UIDs
	252	int n = atoi(Cmd);
	253	// collect at least 1 (e.g. if no parameter was given)
	254	n = n > 0 ? n : 1;
	255
	256	PrintAndLog("Collecting %d UIDs", n);
	257	PrintAndLog("Start: %u", time(NULL));
	258	// repeat n times
	259	for (int i = 0; i < n; i++) {
	260	// execute anticollision procedure
	261	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	262	SendCommand(&c);
902cb3c0	263
72b1090a	264	UsbCommand resp;
72b1090a	265	WaitForResponse(CMD_ACK,&resp);
902cb3c0	266
72b1090a	267	iso14a_card_select_t card = (iso14a_card_select_t ) resp.d.asBytes;
db22dfe6	268
db22dfe6	269	// check if command failed
902cb3c0	270	if (resp.arg[0] == 0) {
db22dfe6	271	PrintAndLog("Card select failed.");
db22dfe6	272	} else {
72b1090a	273	char uid_string[20];
	274	for (uint16_t i = 0; i < card->uidlen; i++) {
	275	sprintf(&uid_string[2*i], "%02X", card->uid[i]);
db22dfe6	276	}
72b1090a	277	PrintAndLog("%s", uid_string);
db22dfe6	278	}
	279	}
	280	PrintAndLog("End: %u", time(NULL));
	281
	282	return 1;
	283	}
	284
7fe9b0b7	285	// ## simulate iso14443a tag
	286	// ## greg - added ability to specify tag UID
	287	int CmdHF14ASim(const char *Cmd)
81cd0474	288	{
	289	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	290
	291	// Retrieve the tag type
	292	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	293
	294	// When no argument was given, just print help message
	295	if (tagtype == 0) {
	296	PrintAndLog("");
	297	PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
	298	PrintAndLog("");
	299	PrintAndLog(" syntax: hf 14a sim <type> <uid>");
	300	PrintAndLog(" types: 1 = MIFARE Classic");
	301	PrintAndLog(" 2 = MIFARE Ultralight");
	302	PrintAndLog(" 3 = MIFARE DESFIRE");
	303	PrintAndLog(" 4 = ISO/IEC 14443-4");
	304	PrintAndLog("");
	305	return 1;
	306	}
	307
	308	// Store the tag type
	309	c.arg[0] = tagtype;
	310
	311	// Retrieve the full 4 or 7 byte long uid
	312	uint64_t long_uid = param_get64ex(Cmd,1,0,16);
	313
	314	// Are we handling the (optional) second part uid?
	315	if (long_uid > 0xffffffff) {
125a98a1	316	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
81cd0474	317	// Store the second part
	318	c.arg[2] = (long_uid & 0xffffffff);
	319	long_uid >>= 32;
	320	// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
	321	c.arg[1] = (long_uid & 0xffffff);
	322	} else {
	323	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
	324	// Only store the first part
	325	c.arg[1] = long_uid & 0xffffffff;
	326	}
	327	/*
	328	// At lease save the mandatory first part of the UID
	329	c.arg[0] = long_uid & 0xffffffff;
	330
	331
	332	// At lease save the mandatory first part of the UID
	333	c.arg[0] = long_uid & 0xffffffff;
	334
	335	if (c.arg[1] == 0) {
	336	PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	337	}
	338
	339	switch (c.arg[0]) {
	340	case 1: {
	341	PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
	342	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)};
	343	} break;
	344	case 2: {
	345	PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
	346	} break;
	347	default: {
	348	PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
	349	PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
	350	PrintAndLog(" type1: 4 ",c.arg[0]);
	351
	352	return 1;
	353	} break;
	354	}
	355	*/
	356	/*
7fe9b0b7	357	unsigned int hi = 0, lo = 0;
	358	int n = 0, i = 0;
	359	while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
	360	hi= (hi << 4) \| (lo >> 28);
	361	lo= (lo << 4) \| (n & 0xf);
	362	}
81cd0474	363	*/
	364	// 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)};
	365	// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
7fe9b0b7	366	SendCommand(&c);
	367	return 0;
	368	}
	369
5cd9ec01 M	370	int CmdHF14ASnoop(const char *Cmd) {
	371	int param = 0;
	372
	373	if (param_getchar(Cmd, 0) == 'h') {
	374	PrintAndLog("It get data from the field and saves it into command buffer.");
4c3de57a	375	PrintAndLog("Buffer accessible from command hf list 14a.");
5cd9ec01 M	376	PrintAndLog("Usage: hf 14a snoop [c][r]");
	377	PrintAndLog("c - triggered by first data from card");
	378	PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
	379	PrintAndLog("sample: hf 14a snoop c r");
	380	return 0;
	381	}
	382
	383	for (int i = 0; i < 2; i++) {
	384	char ctmp = param_getchar(Cmd, i);
	385	if (ctmp == 'c' \|\| ctmp == 'C') param \|= 0x01;
	386	if (ctmp == 'r' \|\| ctmp == 'R') param \|= 0x02;
	387	}
	388
	389	UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
7fe9b0b7	390	SendCommand(&c);
	391	return 0;
	392	}
	393
5f6d6c90	394	int CmdHF14ACmdRaw(const char *cmd) {
	395	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
	396	uint8_t reply=1;
	397	uint8_t crc=0;
	398	uint8_t power=0;
	399	uint8_t active=0;
	400	uint8_t active_select=0;
	401	uint16_t numbits=0;
	402	char buf[5]="";
	403	int i=0;
	404	uint8_t data[100];
	405	unsigned int datalen=0, temp;
	406
	407	if (strlen(cmd)<2) {
	408	PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
	409	PrintAndLog(" -r do not read response");
	410	PrintAndLog(" -c calculate and append CRC");
	411	PrintAndLog(" -p leave the signal field ON after receive");
	412	PrintAndLog(" -a active signal field ON without select");
	413	PrintAndLog(" -s active signal field ON with select");
	414	PrintAndLog(" -b number of bits to send. Useful for send partial byte");
	415	return 0;
	416	}
	417
	418	// strip
	419	while (cmd==' ' \|\| cmd=='\t') cmd++;
	420
	421	while (cmd[i]!='\0') {
	422	if (cmd[i]==' ' \|\| cmd[i]=='\t') { i++; continue; }
	423	if (cmd[i]=='-') {
	424	switch (cmd[i+1]) {
	425	case 'r':
	426	reply=0;
	427	break;
	428	case 'c':
	429	crc=1;
	430	break;
	431	case 'p':
	432	power=1;
	433	break;
	434	case 'a':
	435	active=1;
	436	break;
	437	case 's':
	438	active_select=1;
	439	break;
	440	case 'b':
	441	sscanf(cmd+i+2,"%d",&temp);
	442	numbits = temp & 0xFFFF;
	443	i+=3;
	444	while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
	445	i-=2;
	446	break;
	447	default:
	448	PrintAndLog("Invalid option");
	449	return 0;
	450	}
	451	i+=2;
	452	continue;
	453	}
	454	if ((cmd[i]>='0' && cmd[i]<='9') \|\|
	455	(cmd[i]>='a' && cmd[i]<='f') \|\|
	456	(cmd[i]>='A' && cmd[i]<='F') ) {
	457	buf[strlen(buf)+1]=0;
458	buf[strlen(buf)]=cmd[i];
459	i++;
460
461	if (strlen(buf)>=2) {
462	sscanf(buf,"%x",&temp);
463	data[datalen]=(uint8_t)(temp & 0xff);
464	datalen++;
465	*buf=0;
466	}
467	continue;
468	}
469	PrintAndLog("Invalid char on input");
470	return 0;
471	}
472	if(crc && datalen>0)
473	{
474	uint8_t first, second;
475	ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
476	data[datalen++] = first;
477	data[datalen++] = second;
478	}
479
480	if(active \|\| active_select)
481	{
482	c.arg[0] \|= ISO14A_CONNECT;
483	if(active)
484	c.arg[0] \|= ISO14A_NO_SELECT;
485	}
486	if(power)
487	c.arg[0] \|= ISO14A_NO_DISCONNECT;
488	if(datalen>0)
489	c.arg[0] \|= ISO14A_RAW;
490
491	c.arg[1] = datalen;
492	c.arg[2] = numbits;
493	memcpy(c.d.asBytes,data,datalen);
494
495	SendCommand(&c);
496
497	if (reply) {
498	if(active_select)
499	waitCmd(1);
500	if(datalen>0)
501	waitCmd(0);
502	} // if reply
503	return 0;
504	}
505
506	static void waitCmd(uint8_t iSelect)
507	{
508	uint8_t *recv;
509	UsbCommand resp;
510	char *hexout;
511
512	if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
513	recv = resp.d.asBytes;
514	uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
515	PrintAndLog("received %i octets",iLen);
516	if(!iLen)
517	return;
518	hexout = (char )malloc(iLen 3 + 1);
519	if (hexout != NULL) {
5f6d6c90	520	for (int i = 0; i < iLen; i++) { // data in hex
f66021cf	521	sprintf(&hexout[i * 3], "%02X ", recv[i]);
5f6d6c90	522	}
	523	PrintAndLog("%s", hexout);
	524	free(hexout);
	525	} else {
	526	PrintAndLog("malloc failed your client has low memory?");
	527	}
	528	} else {
	529	PrintAndLog("timeout while waiting for reply.");
	530	}
	531	}
	532
7fe9b0b7	533	static command_t CommandTable[] =
7fe9b0b7	534	{
5acd09bd	535	{"help", CmdHelp, 1, "This help"},
4c3de57a	536	{"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
5acd09bd	537	{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
	538	{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
	539	{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
	540	{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
5f6d6c90	541	{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
7fe9b0b7	542	{NULL, NULL, 0, NULL}
	543	};
	544
902cb3c0	545	int CmdHF14A(const char *Cmd) {
f397b5cc	546	// flush
902cb3c0	547	WaitForResponseTimeout(CMD_ACK,NULL,100);
f397b5cc M	548
f397b5cc M	549	// parse
7fe9b0b7	550	CmdsParse(CommandTable, Cmd);
	551	return 0;
	552	}
	553
	554	int CmdHelp(const char *Cmd)
	555	{
	556	CmdsHelp(CommandTable);
	557	return 0;
	558	}