[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 "proxusb.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)
{
  uint8_t got[1920];
  GetFromBigBuf(got,sizeof(got),0);
  WaitForResponse(CMD_ACK,NULL);

  PrintAndLog("recorded activity:");
  PrintAndLog(" ETU     :rssi: who bytes");
  PrintAndLog("---------+----+----+-----------");

  int i = 0;
  int prev = -1;

  for (;;) {
    if(i >= 1900) {
      break;
    }

    bool isResponse;
    int timestamp = *((uint32_t *)(got+i));
    if (timestamp & 0x80000000) {
      timestamp &= 0x7fffffff;
      isResponse = 1;
    } else {
      isResponse = 0;
    }

    int metric = 0;
    int parityBits = *((uint32_t *)(got+i+4));
    // 4 bytes of additional information...
    // maximum of 32 additional parity bit information
    //
    // TODO:
    // at each quarter bit period we can send power level (16 levels)
    // or each half bit period in 256 levels.


    int len = got[i+8];

    if (len > 100) {
      break;
    }
    if (i + len >= 1900) {
      break;
    }

    uint8_t *frame = (got+i+9);

    // Break and stick with current result if buffer was not completely full
    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }

    char line[1000] = "";
    int j;
    for (j = 0; j < len; j++) {
      int oddparity = 0x01;
      int k;

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

      //if((parityBits >> (len - j - 1)) & 0x01) {
      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
        sprintf(line+(j*4), "%02x!  ", frame[j]);
      }
      else {
        sprintf(line+(j*4), "%02x   ", frame[j]);
      }
    }

    char *crc;
    crc = "";
    if (len > 2) {
      uint8_t b1, b2;
      for (j = 0; j < (len - 1); j++) {
        // gives problems... search for the reason..
        /*if(frame[j] == 0xAA) {
          switch(frame[j+1]) {
            case 0x01:
              crc = "[1] Two drops close after each other";
            break;
            case 0x02:
              crc = "[2] Potential SOC with a drop in second half of bitperiod";
              break;
            case 0x03:
              crc = "[3] Segment Z after segment X is not possible";
              break;
            case 0x04:
              crc = "[4] Parity bit of a fully received byte was wrong";
              break;
            default:
              crc = "[?] Unknown error";
              break;
          }
          break;
        }*/
      }

      if (strlen(crc)==0) {
        ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
        if (b1 != frame[len-2] || b2 != frame[len-1]) {
          crc = (isResponse & (len < 6)) ? "" : " !crc";
        } else {
          crc = "";
        }
      }
    } else {
      crc = ""; // SHORT
    }

    char metricString[100];
    if (isResponse) {
      sprintf(metricString, "%3d", metric);
    } else {
      strcpy(metricString, "   ");
    }

    PrintAndLog(" +%7d: %s: %s %s %s",
      (prev < 0 ? 0 : (timestamp - prev)),
      metricString,
      (isResponse ? "TAG" : "   "), line, crc);

    prev = timestamp;
    i += (len + 9);
  }
	return 0;
}

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

int CmdHF14AReader(const char *Cmd)
{
	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;

	if(resp.arg[0] == 0) {
		PrintAndLog("iso14443a card select failed");
		return 0;
	}

	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
	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"); break;
		case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
		case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k"); break;
		case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k"); break;
		case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k"); break;
		case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | 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: ;
	}
	if(resp.arg[0] == 1) {
		bool ta1 = 0, tb1 = 0, tc1 = 0;
		int pos;

		PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
		if (card->ats_len > 0) {
			PrintAndLog("       -  TL : length is %d bytes", card->ats[0]);
		}
		if (card->ats_len > 1) {
			ta1 = (card->ats[1] & 0x10) == 0x10;
			tb1 = (card->ats[1] & 0x20) == 0x20;
			tc1 = (card->ats[1] & 0x40) == 0x40;
			PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
					"TC1 is%s present, FSCI is %d",
				(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
				(card->ats[1] & 0x0f));
		}
		pos = 2;
		if (ta1 && card->ats_len > pos) {
			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 && card->ats_len > pos) {
			PrintAndLog("       - TB1 : SFGI = %d, FWI = %d",
					(card->ats[pos] & 0x08),
					(card->ats[pos] & 0x80) >> 4);
			pos++;
		}
		if (tc1 && card->ats_len > pos) {
			PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
					(card->ats[pos] & 0x01) ? "" : " NOT",
					(card->ats[pos] & 0x02) ? "" : " NOT");
			pos++;
		}
		if (card->ats_len > pos) {
			char *tip = "";
			if (card->ats_len - 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_len - pos - 2), 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 iso14443a-4 card found, RATS not supported");
  }

	return resp.arg[0];
}

// 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);

		uint8_t *uid  = resp.d.asBytes;
		iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);

		// check if command failed
		if (resp.arg[0] == 0) {
			PrintAndLog("Card select failed.");
		} else {
			// check if UID is 4 bytes
			if ((card->atqa[1] & 0xC0) == 0) {
				PrintAndLog("%02X%02X%02X%02X",
				            *uid, *(uid + 1), *(uid + 2), *(uid + 3));
			} else {
				PrintAndLog("UID longer than 4 bytes");
			}
		}
	}
	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 14a list.");
		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) {
            uint8_t first, second;
            for (int i = 0; i < iLen; i++) { // data in hex
                sprintf(&hexout[i * 3], "%02hX ", 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, "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"
28fdb04f	19	//#include "proxusb.h"
902cb3c0	20	#include "proxmark3.h"
7fe9b0b7	21	#include "ui.h"
	22	#include "cmdparser.h"
	23	#include "cmdhf14a.h"
534983d7	24	#include "common.h"
20f9a2a1	25	#include "cmdmain.h"
902cb3c0	26	#include "mifare.h"
7fe9b0b7	27
7fe9b0b7	28	static int CmdHelp(const char *Cmd);
5f6d6c90	29	static void waitCmd(uint8_t iLen);
7fe9b0b7	30
	31	int CmdHF14AList(const char *Cmd)
	32	{
	33	uint8_t got[1920];
db09cb3a	34	GetFromBigBuf(got,sizeof(got),0);
902cb3c0	35	WaitForResponse(CMD_ACK,NULL);
7fe9b0b7	36
	37	PrintAndLog("recorded activity:");
	38	PrintAndLog(" ETU :rssi: who bytes");
	39	PrintAndLog("---------+----+----+-----------");
	40
	41	int i = 0;
	42	int prev = -1;
	43
	44	for (;;) {
	45	if(i >= 1900) {
	46	break;
	47	}
	48
	49	bool isResponse;
	50	int timestamp = ((uint32_t )(got+i));
	51	if (timestamp & 0x80000000) {
	52	timestamp &= 0x7fffffff;
	53	isResponse = 1;
	54	} else {
	55	isResponse = 0;
	56	}
	57
	58	int metric = 0;
	59	int parityBits = ((uint32_t )(got+i+4));
	60	// 4 bytes of additional information...
	61	// maximum of 32 additional parity bit information
	62	//
	63	// TODO:
	64	// at each quarter bit period we can send power level (16 levels)
	65	// or each half bit period in 256 levels.
	66
	67
	68	int len = got[i+8];
	69
	70	if (len > 100) {
	71	break;
	72	}
	73	if (i + len >= 1900) {
	74	break;
	75	}
	76
	77	uint8_t *frame = (got+i+9);
	78
	79	// Break and stick with current result if buffer was not completely full
	80	if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
	81
	82	char line[1000] = "";
	83	int j;
	84	for (j = 0; j < len; j++) {
	85	int oddparity = 0x01;
	86	int k;
	87
	88	for (k=0;k<8;k++) {
	89	oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
	90	}
	91
	92	//if((parityBits >> (len - j - 1)) & 0x01) {
	93	if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
	94	sprintf(line+(j*4), "%02x! ", frame[j]);
	95	}
	96	else {
	97	sprintf(line+(j*4), "%02x ", frame[j]);
	98	}
	99	}
100
101	char *crc;
102	crc = "";
103	if (len > 2) {
104	uint8_t b1, b2;
105	for (j = 0; j < (len - 1); j++) {
106	// gives problems... search for the reason..
107	/*if(frame[j] == 0xAA) {
108	switch(frame[j+1]) {
109	case 0x01:
110	crc = "[1] Two drops close after each other";
111	break;
112	case 0x02:
113	crc = "[2] Potential SOC with a drop in second half of bitperiod";
114	break;
115	case 0x03:
116	crc = "[3] Segment Z after segment X is not possible";
117	break;
118	case 0x04:
119	crc = "[4] Parity bit of a fully received byte was wrong";
120	break;
121	default:
122	crc = "[?] Unknown error";
123	break;
124	}
125	break;
126	}*/
127	}
128
129	if (strlen(crc)==0) {
130	ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
131	if (b1 != frame[len-2] \|\| b2 != frame[len-1]) {
132	crc = (isResponse & (len < 6)) ? "" : " !crc";
133	} else {
134	crc = "";
135	}
136	}
137	} else {
138	crc = ""; // SHORT
139	}
140
141	char metricString[100];
142	if (isResponse) {
143	sprintf(metricString, "%3d", metric);
144	} else {
145	strcpy(metricString, " ");
146	}
147
148	PrintAndLog(" +%7d: %s: %s %s %s",
149	(prev < 0 ? 0 : (timestamp - prev)),
150	metricString,
151	(isResponse ? "TAG" : " "), line, crc);
152
153	prev = timestamp;
154	i += (len + 9);
155	}
f89c7050	156	return 0;
7fe9b0b7	157	}
7fe9b0b7	158
534983d7	159	void iso14a_set_timeout(uint32_t timeout) {
	160	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
	161	SendCommand(&c);
	162	}
	163
7fe9b0b7	164	int CmdHF14AReader(const char *Cmd)
7fe9b0b7	165	{
534983d7	166	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
534983d7	167	SendCommand(&c);
902cb3c0	168
	169	UsbCommand resp;
	170	WaitForResponse(CMD_ACK,&resp);
	171
79a73ab2	172	iso14a_card_select_t card = (iso14a_card_select_t )resp.d.asBytes;
534983d7	173
902cb3c0	174	if(resp.arg[0] == 0) {
534983d7	175	PrintAndLog("iso14443a card select failed");
	176	return 0;
	177	}
	178
	179	PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
79a73ab2	180	PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
902cb3c0	181	PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
713e7ffb	182
9ca155ba	183	switch (card->sak) {
79a73ab2	184	case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight \| Ultralight C"); break;
79a73ab2	185	case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
713e7ffb	186
79a73ab2	187	case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k \| Plus 2k"); break;
	188	case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
	189	case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k"); break;
	190	case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k"); break;
	191	case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k \| Plus 4k"); break;
	192	case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k \| DESFire EV1 2k/4k/8k \| Plus 2k/4k \| JCOP 31/41"); break;
	193	case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire \| DESFire EV1"); break;
	194	case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
	195	case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
	196	case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
	197	case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
9ca155ba M	198	default: ;
9ca155ba M	199	}
902cb3c0	200	if(resp.arg[0] == 1) {
561f7c11	201	bool ta1 = 0, tb1 = 0, tc1 = 0;
	202	int pos;
	203
534983d7	204	PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
561f7c11	205	if (card->ats_len > 0) {
	206	PrintAndLog(" - TL : length is %d bytes", card->ats[0]);
	207	}
	208	if (card->ats_len > 1) {
	209	ta1 = (card->ats[1] & 0x10) == 0x10;
	210	tb1 = (card->ats[1] & 0x20) == 0x20;
	211	tc1 = (card->ats[1] & 0x40) == 0x40;
	212	PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
	213	"TC1 is%s present, FSCI is %d",
	214	(ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
	215	(card->ats[1] & 0x0f));
	216	}
	217	pos = 2;
	218	if (ta1 && card->ats_len > pos) {
	219	char dr[16], ds[16];
	220	dr[0] = ds[0] = '\0';
	221	if (card->ats[pos] & 0x10) strcat(ds, "2, ");
	222	if (card->ats[pos] & 0x20) strcat(ds, "4, ");
	223	if (card->ats[pos] & 0x40) strcat(ds, "8, ");
	224	if (card->ats[pos] & 0x01) strcat(dr, "2, ");
	225	if (card->ats[pos] & 0x02) strcat(dr, "4, ");
	226	if (card->ats[pos] & 0x04) strcat(dr, "8, ");
	227	if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
	228	if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
	229	PrintAndLog(" - TA1 : different divisors are%s supported, "
	230	"DR: [%s], DS: [%s]",
	231	(card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
	232	pos++;
	233	}
	234	if (tb1 && card->ats_len > pos) {
	235	PrintAndLog(" - TB1 : SFGI = %d, FWI = %d",
	236	(card->ats[pos] & 0x08),
	237	(card->ats[pos] & 0x80) >> 4);
	238	pos++;
	239	}
	240	if (tc1 && card->ats_len > pos) {
	241	PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
	242	(card->ats[pos] & 0x01) ? "" : " NOT",
	243	(card->ats[pos] & 0x02) ? "" : " NOT");
	244	pos++;
	245	}
	246	if (card->ats_len > pos) {
	247	char *tip = "";
	248	if (card->ats_len - pos > 7) {
	249	if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
	250	tip = "-> MIFARE Plus X 2K or 4K";
	251	} else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
	252	tip = "-> MIFARE Plus S 2K or 4K";
	253	}
	254	}
	255	PrintAndLog(" - HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
	256	if (card->ats[pos] == 0xC1) {
	257	PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
	258	PrintAndLog(" %02x -> Length is %d bytes",
	259	card->ats[pos + 1], card->ats[pos + 1]);
	260	switch (card->ats[pos + 2] & 0xf0) {
	261	case 0x10:
	262	PrintAndLog(" 1x -> MIFARE DESFire");
	263	break;
	264	case 0x20:
	265	PrintAndLog(" 2x -> MIFARE Plus");
	266	break;
	267	}
	268	switch (card->ats[pos + 2] & 0x0f) {
269	case 0x00:
270	PrintAndLog(" x0 -> <1 kByte");
271	break;
272	case 0x01:
273	PrintAndLog(" x0 -> 1 kByte");
274	break;
275	case 0x02:
276	PrintAndLog(" x0 -> 2 kByte");
277	break;
278	case 0x03:
279	PrintAndLog(" x0 -> 4 kByte");
280	break;
281	case 0x04:
282	PrintAndLog(" x0 -> 8 kByte");
283	break;
284	}
285	switch (card->ats[pos + 3] & 0xf0) {
286	case 0x00:
287	PrintAndLog(" 0x -> Engineering sample");
288	break;
289	case 0x20:
290	PrintAndLog(" 2x -> Released");
291	break;
292	}
293	switch (card->ats[pos + 3] & 0x0f) {
294	case 0x00:
295	PrintAndLog(" x0 -> Generation 1");
296	break;
297	case 0x01:
298	PrintAndLog(" x1 -> Generation 2");
299	break;
300	case 0x02:
301	PrintAndLog(" x2 -> Generation 3");
302	break;
303	}
304	switch (card->ats[pos + 4] & 0x0f) {
305	case 0x00:
306	PrintAndLog(" x0 -> Only VCSL supported");
307	break;
308	case 0x01:
309	PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
310	break;
311	case 0x0E:
312	PrintAndLog(" xE -> no VCS command supported");
313	break;
314	}
315	}
316	}
79a73ab2	317	} else {
	318	PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
	319	}
534983d7	320
902cb3c0	321	return resp.arg[0];
7fe9b0b7	322	}
7fe9b0b7	323
db22dfe6	324	// Collect ISO14443 Type A UIDs
	325	int CmdHF14ACUIDs(const char *Cmd)
	326	{
	327	// requested number of UIDs
	328	int n = atoi(Cmd);
	329	// collect at least 1 (e.g. if no parameter was given)
	330	n = n > 0 ? n : 1;
	331
	332	PrintAndLog("Collecting %d UIDs", n);
	333	PrintAndLog("Start: %u", time(NULL));
	334	// repeat n times
	335	for (int i = 0; i < n; i++) {
	336	// execute anticollision procedure
	337	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
	338	SendCommand(&c);
902cb3c0	339
	340	UsbCommand resp;
	341	WaitForResponse(CMD_ACK,&resp);
	342
	343	uint8_t *uid = resp.d.asBytes;
db22dfe6	344	iso14a_card_select_t card = (iso14a_card_select_t )(uid + 12);
	345
	346	// check if command failed
902cb3c0	347	if (resp.arg[0] == 0) {
db22dfe6	348	PrintAndLog("Card select failed.");
	349	} else {
	350	// check if UID is 4 bytes
	351	if ((card->atqa[1] & 0xC0) == 0) {
	352	PrintAndLog("%02X%02X%02X%02X",
	353	uid, (uid + 1), (uid + 2), (uid + 3));
	354	} else {
	355	PrintAndLog("UID longer than 4 bytes");
	356	}
	357	}
	358	}
	359	PrintAndLog("End: %u", time(NULL));
	360
	361	return 1;
	362	}
	363
7fe9b0b7	364	// ## simulate iso14443a tag
	365	// ## greg - added ability to specify tag UID
	366	int CmdHF14ASim(const char *Cmd)
81cd0474	367	{
	368	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
	369
	370	// Retrieve the tag type
	371	uint8_t tagtype = param_get8ex(Cmd,0,0,10);
	372
	373	// When no argument was given, just print help message
	374	if (tagtype == 0) {
	375	PrintAndLog("");
	376	PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
	377	PrintAndLog("");
	378	PrintAndLog(" syntax: hf 14a sim <type> <uid>");
	379	PrintAndLog(" types: 1 = MIFARE Classic");
	380	PrintAndLog(" 2 = MIFARE Ultralight");
	381	PrintAndLog(" 3 = MIFARE DESFIRE");
	382	PrintAndLog(" 4 = ISO/IEC 14443-4");
	383	PrintAndLog("");
	384	return 1;
	385	}
	386
	387	// Store the tag type
	388	c.arg[0] = tagtype;
	389
	390	// Retrieve the full 4 or 7 byte long uid
	391	uint64_t long_uid = param_get64ex(Cmd,1,0,16);
	392
	393	// Are we handling the (optional) second part uid?
	394	if (long_uid > 0xffffffff) {
125a98a1	395	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
81cd0474	396	// Store the second part
	397	c.arg[2] = (long_uid & 0xffffffff);
	398	long_uid >>= 32;
	399	// Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
	400	c.arg[1] = (long_uid & 0xffffff);
	401	} else {
	402	PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
	403	// Only store the first part
	404	c.arg[1] = long_uid & 0xffffffff;
	405	}
	406	/*
	407	// At lease save the mandatory first part of the UID
	408	c.arg[0] = long_uid & 0xffffffff;
	409
	410
	411	// At lease save the mandatory first part of the UID
	412	c.arg[0] = long_uid & 0xffffffff;
	413
	414	if (c.arg[1] == 0) {
	415	PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
	416	}
	417
	418	switch (c.arg[0]) {
	419	case 1: {
	420	PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
	421	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)};
	422	} break;
	423	case 2: {
	424	PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
	425	} break;
	426	default: {
	427	PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
	428	PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
	429	PrintAndLog(" type1: 4 ",c.arg[0]);
	430
	431	return 1;
	432	} break;
	433	}
	434	*/
	435	/*
7fe9b0b7	436	unsigned int hi = 0, lo = 0;
	437	int n = 0, i = 0;
	438	while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
	439	hi= (hi << 4) \| (lo >> 28);
	440	lo= (lo << 4) \| (n & 0xf);
	441	}
81cd0474	442	*/
	443	// 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)};
	444	// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
7fe9b0b7	445	SendCommand(&c);
	446	return 0;
	447	}
	448
5cd9ec01 M	449	int CmdHF14ASnoop(const char *Cmd) {
	450	int param = 0;
	451
	452	if (param_getchar(Cmd, 0) == 'h') {
	453	PrintAndLog("It get data from the field and saves it into command buffer.");
	454	PrintAndLog("Buffer accessible from command hf 14a list.");
	455	PrintAndLog("Usage: hf 14a snoop [c][r]");
	456	PrintAndLog("c - triggered by first data from card");
	457	PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
	458	PrintAndLog("sample: hf 14a snoop c r");
	459	return 0;
	460	}
	461
	462	for (int i = 0; i < 2; i++) {
	463	char ctmp = param_getchar(Cmd, i);
	464	if (ctmp == 'c' \|\| ctmp == 'C') param \|= 0x01;
	465	if (ctmp == 'r' \|\| ctmp == 'R') param \|= 0x02;
	466	}
	467
	468	UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
7fe9b0b7	469	SendCommand(&c);
	470	return 0;
	471	}
	472
5f6d6c90	473	int CmdHF14ACmdRaw(const char *cmd) {
	474	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
	475	uint8_t reply=1;
	476	uint8_t crc=0;
	477	uint8_t power=0;
	478	uint8_t active=0;
	479	uint8_t active_select=0;
	480	uint16_t numbits=0;
	481	char buf[5]="";
	482	int i=0;
	483	uint8_t data[100];
	484	unsigned int datalen=0, temp;
	485
	486	if (strlen(cmd)<2) {
	487	PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
	488	PrintAndLog(" -r do not read response");
	489	PrintAndLog(" -c calculate and append CRC");
	490	PrintAndLog(" -p leave the signal field ON after receive");
	491	PrintAndLog(" -a active signal field ON without select");
	492	PrintAndLog(" -s active signal field ON with select");
	493	PrintAndLog(" -b number of bits to send. Useful for send partial byte");
	494	return 0;
	495	}
	496
	497	// strip
	498	while (cmd==' ' \|\| cmd=='\t') cmd++;
	499
	500	while (cmd[i]!='\0') {
	501	if (cmd[i]==' ' \|\| cmd[i]=='\t') { i++; continue; }
	502	if (cmd[i]=='-') {
	503	switch (cmd[i+1]) {
	504	case 'r':
	505	reply=0;
	506	break;
	507	case 'c':
	508	crc=1;
	509	break;
	510	case 'p':
	511	power=1;
	512	break;
	513	case 'a':
	514	active=1;
	515	break;
	516	case 's':
	517	active_select=1;
	518	break;
	519	case 'b':
	520	sscanf(cmd+i+2,"%d",&temp);
	521	numbits = temp & 0xFFFF;
	522	i+=3;
	523	while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
	524	i-=2;
	525	break;
	526	default:
	527	PrintAndLog("Invalid option");
	528	return 0;
	529	}
	530	i+=2;
	531	continue;
	532	}
	533	if ((cmd[i]>='0' && cmd[i]<='9') \|\|
	534	(cmd[i]>='a' && cmd[i]<='f') \|\|
	535	(cmd[i]>='A' && cmd[i]<='F') ) {
	536	buf[strlen(buf)+1]=0;
537	buf[strlen(buf)]=cmd[i];
538	i++;
539
540	if (strlen(buf)>=2) {
541	sscanf(buf,"%x",&temp);
542	data[datalen]=(uint8_t)(temp & 0xff);
543	datalen++;
544	*buf=0;
545	}
546	continue;
547	}
548	PrintAndLog("Invalid char on input");
549	return 0;
550	}
551	if(crc && datalen>0)
552	{
553	uint8_t first, second;
554	ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
555	data[datalen++] = first;
556	data[datalen++] = second;
557	}
558
559	if(active \|\| active_select)
560	{
561	c.arg[0] \|= ISO14A_CONNECT;
562	if(active)
563	c.arg[0] \|= ISO14A_NO_SELECT;
564	}
565	if(power)
566	c.arg[0] \|= ISO14A_NO_DISCONNECT;
567	if(datalen>0)
568	c.arg[0] \|= ISO14A_RAW;
569
570	c.arg[1] = datalen;
571	c.arg[2] = numbits;
572	memcpy(c.d.asBytes,data,datalen);
573
574	SendCommand(&c);
575
576	if (reply) {
577	if(active_select)
578	waitCmd(1);
579	if(datalen>0)
580	waitCmd(0);
581	} // if reply
582	return 0;
583	}
584
585	static void waitCmd(uint8_t iSelect)
586	{
587	uint8_t *recv;
588	UsbCommand resp;
589	char *hexout;
590
591	if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
592	recv = resp.d.asBytes;
593	uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
594	PrintAndLog("received %i octets",iLen);
595	if(!iLen)
596	return;
597	hexout = (char )malloc(iLen 3 + 1);
598	if (hexout != NULL) {
599	uint8_t first, second;
600	for (int i = 0; i < iLen; i++) { // data in hex
601	sprintf(&hexout[i * 3], "%02hX ", recv[i]);
602	}
603	PrintAndLog("%s", hexout);
604	free(hexout);
605	} else {
606	PrintAndLog("malloc failed your client has low memory?");
607	}
608	} else {
609	PrintAndLog("timeout while waiting for reply.");
610	}
611	}
612
7fe9b0b7	613	static command_t CommandTable[] =
7fe9b0b7	614	{
5acd09bd	615	{"help", CmdHelp, 1, "This help"},
	616	{"list", CmdHF14AList, 0, "List ISO 14443a history"},
	617	{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
	618	{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
	619	{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
	620	{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
5f6d6c90	621	{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
7fe9b0b7	622	{NULL, NULL, 0, NULL}
	623	};
	624
902cb3c0	625	int CmdHF14A(const char *Cmd) {
f397b5cc	626	// flush
902cb3c0	627	WaitForResponseTimeout(CMD_ACK,NULL,100);
f397b5cc M	628
f397b5cc M	629	// parse
7fe9b0b7	630	CmdsParse(CommandTable, Cmd);
	631	return 0;
	632	}
	633
	634	int CmdHelp(const char *Cmd)
	635	{
	636	CmdsHelp(CommandTable);
	637	return 0;
	638	}