fix WaitForResponse (without timeout)
[proxmark3-svn] / client / cmdhf14a.c
index 46cfbebe3d5a2726f748215ae6ac911633a49b03..58315582742ed8850c15e1277f7f9f065cfa0791 100644 (file)
@@ -1,6 +1,6 @@
 //-----------------------------------------------------------------------------
-// 2011, Merlok
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
+// 2011, 2017 - 2019 Merlok
 //
 // 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
 // High frequency ISO14443A commands
 //-----------------------------------------------------------------------------
 
+#include "cmdhf14a.h"
+
 #include <stdio.h>
 #include <stdlib.h>
+#include <inttypes.h>
 #include <string.h>
-#include <conio.h>
+#include <unistd.h>
+#include <ctype.h>
 #include "util.h"
+#include "util_posix.h"
 #include "iso14443crc.h"
-#include "data.h"
-#include "proxusb.h"
+#include "comms.h"
 #include "ui.h"
 #include "cmdparser.h"
-#include "cmdhf14a.h"
 #include "common.h"
 #include "cmdmain.h"
-#include "nonce2key/nonce2key.h"
-#include "nonce2key/crapto1.h"
+#include "mifare.h"
+#include "cmdhfmfu.h"
+#include "mifare/mifarehost.h"
+#include "cliparser/cliparser.h"
+#include "emv/apduinfo.h"
+#include "emv/emvcore.h"
+#include "taginfo.h"
 
 static int CmdHelp(const char *Cmd);
+static int waitCmd(uint8_t iLen);
+
+// iso14a apdu input frame length
+static uint16_t frameLength = 0;
+uint16_t atsFSC[] = {16, 24, 32, 40, 48, 64, 96, 128, 256};
 
 int CmdHF14AList(const char *Cmd)
 {
-  uint8_t got[1920];
-  GetFromBigBuf(got, sizeof(got));
-
-  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);
-  }
+       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}};
+int Hf14443_4aGetCardData(iso14a_card_select_t *card) {
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
        SendCommand(&c);
+
+       UsbCommand resp;
+       WaitForResponse(CMD_NACK, &resp);
+
+       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, 3: proprietary Anticollision
+
+       if (select_status == 0) {
+               PrintAndLog("E->iso14443a card select failed");
+               return 1;
+       }
+
+       if (select_status == 2) {
+               PrintAndLog("E->Card doesn't support iso14443-4 mode");
+               return 1;
+       }
+
+       if (select_status == 3) {
+               PrintAndLog("E->Card doesn't support standard iso14443-3 anticollision");
+               PrintAndLog("\tATQA : %02x %02x", card->atqa[1], card->atqa[0]);
+               return 1;
+       }
+
+       PrintAndLog(" UID: %s", sprint_hex(card->uid, card->uidlen));
+       PrintAndLog("ATQA: %02x %02x", card->atqa[1], card->atqa[0]);
+       PrintAndLog(" SAK: %02x [%" PRIu64 "]", card->sak, resp.arg[0]);
+       if(card->ats_len < 3) {         // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+               PrintAndLog("E-> Error ATS length(%d) : %s", card->ats_len, sprint_hex(card->ats, card->ats_len));
+               return 1;
+       }
+       PrintAndLog(" ATS: %s", sprint_hex(card->ats, card->ats_len));
+
+       return 0;
 }
 
-int CmdHF14AMifare(const char *Cmd)
-{
-       uint32_t uid = 0;
-       uint32_t nt = 0;
-       uint64_t par_list = 0, ks_list = 0, r_key = 0;
-       uint8_t isOK = 0;
-       
-       UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
+int CmdHF14AReader(const char *Cmd) {
+       uint32_t cm = ISO14A_CONNECT;
+       bool leaveSignalON = false;
+
+       CLIParserInit("hf 14a reader", "Executes ISO1443A anticollision-select group of commands.", NULL);
+       void* argtable[] = {
+               arg_param_begin,
+               arg_lit0("kK",  "keep",    "keep the field active after command executed"),
+               arg_lit0("xX",  "drop",    "just drop the signal field"),
+               arg_lit0("3",   NULL,      "ISO14443-3 select only (skip RATS)"),
+               arg_param_end
+       };
+       if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){
+               CLIParserFree();
+               return 0;
+       }
+
+       leaveSignalON = arg_get_lit(1);
+       if (arg_get_lit(2)) {
+               cm = cm - ISO14A_CONNECT;
+       }
+       if (arg_get_lit(3)) {
+               cm |= ISO14A_NO_RATS;
+       }
+
+       CLIParserFree();
+
+       if (leaveSignalON)
+               cm |= ISO14A_NO_DISCONNECT;
+
+       UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
        SendCommand(&c);
-       
-       //flush queue
-       while (kbhit()) getchar();
-       while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
-
-       // message
-       printf("-------------------------------------------------------------------------\n");
-       printf("Executing command. It may take up to 30 min.\n");
-       printf("Press the key on proxmark3 device to abort proxmark3.\n");
-       printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
-       printf("-------------------------------------------------------------------------\n");
-       
-       // wait cycle
-       while (true) {
-               printf(".");
-               if (kbhit()) {
-                       getchar();
-                       printf("\naborted via keyboard!\n");
-                       break;
+
+       if (ISO14A_CONNECT & cm) {
+               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, 3: proprietary Anticollision
+
+               if(select_status == 0) {
+                       PrintAndLog("iso14443a card select failed");
+                       return 1;
                }
-               
-               UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000);
-               if (resp != NULL) {
-                       isOK  = resp->arg[0] & 0xff;
-       
-                       uid = (uint32_t)bytes_to_num(resp->d.asBytes +  0, 4);
-                       nt =  (uint32_t)bytes_to_num(resp->d.asBytes +  4, 4);
-                       par_list = bytes_to_num(resp->d.asBytes +  8, 8);
-                       ks_list = bytes_to_num(resp->d.asBytes +  16, 8);
-       
-                       printf("\n\n");
-                       PrintAndLog("isOk:%02x", isOK);
-                       if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n");
-                       break;
+
+               if(select_status == 3) {
+                       PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+                       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+                       return 1;
                }
-       }       
-       printf("\n");
-       
-       // error
-       if (isOK != 1) return 1;
-       
-       // execute original function from util nonce2key
-       if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2;
-       printf("-------------------------------------------------------------------------\n");
-       PrintAndLog("Key found:%012llx \n", r_key);
-       
+
+               PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+               PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+               PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
+               if(card.ats_len >= 3) {         // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
+                       PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
+               }
+               if (leaveSignalON) {
+                       PrintAndLog("Card is selected. You can now start sending commands");
+               }
+       }
+
+       if (!leaveSignalON) {
+               PrintAndLog("Field dropped.");
+       }
+
        return 0;
 }
 
-int CmdHF14AMfWrBl(const char *Cmd)
-{
-       int i, temp;
-       uint8_t blockNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
-       const char *cmdpe       = Cmd;
 
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfwrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
+int CmdHF14AInfo(const char *Cmd) {
+
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       SendCommand(&c);
+
+       UsbCommand resp;
+       if (!WaitForResponseTimeout(CMD_NACK, &resp, 500)) {
+               if (Cmd[0] != 's') PrintAndLog("Error: No response from Proxmark.\n");
                return 0;
-       }       
-       PrintAndLog("l: %s", Cmd);
-       
-       // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       blockNo = strtol(cmdp, NULL, 0) & 0xff;
+       }
        
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
+       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, 3: proprietary Anticollision
+
+       if (select_status == 0) {
+               if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
+               // disconnect
+               c.arg[0] = 0;
+               c.arg[1] = 0;
+               c.arg[2] = 0;
+               SendCommand(&c);
+               return 0;
+       }
+
+       if(select_status == 3) {
+               PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+               PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+               // disconnect
+               c.arg[0] = 0;
+               c.arg[1] = 0;
+               c.arg[2] = 0;
+               SendCommand(&c);
+               return 0;
        }
 
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+       PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+       PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
 
-       // next value here:cmdpe
-       cmdpe = cmdp;
-       while (*cmdpe!=' ' && *cmdpe!='\t') cmdpe++;
-       while (*cmdpe==' ' || *cmdpe=='\t') cmdpe++;
+       bool isMifareClassic = true;
+       switch (card.sak) {
+               case 0x00:
+                       isMifareClassic = false;
 
-       if ((int)cmdpe - (int)cmdp != 13) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
+                       //***************************************test****************
+                       // disconnect
+                       c.arg[0] = 0;
+                       c.arg[1] = 0;
+                       c.arg[2] = 0;
+                       SendCommand(&c);
+
+                       uint32_t tagT = GetHF14AMfU_Type();
+                       ul_print_type(tagT, 0);
+
+                       //reconnect for further tests
+                       c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
+                       c.arg[1] = 0;
+                       c.arg[2] = 0;
+
+                       SendCommand(&c);
+
+                       UsbCommand resp;
+                       WaitForResponse(CMD_NACK,&resp);
+
+                       memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_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;
+                       }
+
+                       /*  orig
+                       // check if the tag answers to GETVERSION (0x60)
+                       c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+                       c.arg[1] = 1;
+                       c.arg[2] = 0;
+                       c.d.asBytes[0] = 0x60;
+                       SendCommand(&c);
+                       WaitForResponse(CMD_ACK,&resp);
+
+                       uint8_t version[10] = {0};
+                       memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
+                       uint8_t len = resp.arg[0] & 0xff;
+                       switch ( len ){
+                               // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
+                               // UL-EV1, size, check version[6] == 0x0b (smaller)  0x0b * 4 == 48
+                               case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
+                               case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
+                               case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
+                       }
+                       */
+                       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: ;
        }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       if (strlen(cmdp) != 32) {
-               PrintAndLog("Length of block data must be 32 hex symbols");
-               return 0;
+
+       // Double & triple sized UID, can be mapped to a manufacturer.
+       // HACK: does this apply for Ultralight cards?
+       if (card.uidlen > 4) {
+               PrintAndLog("MANUFACTURER : %s", getManufacturerName(card.uid[0]));
        }
 
-       for(i = 0; i < 16; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               bldata[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6));
-       PrintAndLog(" data: %s", sprint_hex(bldata, 16));
-       
-  UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-       memcpy(c.d.asBytes + 10, bldata, 16);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
+       // 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
+       }
 
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
+       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;
 
-               PrintAndLog("isOk:%02x", isOK);
+               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 < sizeof(atsFSC) ? atsFSC[fsci] : -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("                     x1 -> 1 kByte");
+                                               break;
+                                       case 0x02:
+                                               PrintAndLog("                     x2 -> 2 kByte");
+                                               break;
+                                       case 0x03:
+                                               PrintAndLog("                     x3 -> 4 kByte");
+                                               break;
+                                       case 0x04:
+                                               PrintAndLog("                     x4 -> 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("Command execute timeout");
+               PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
        }
 
-       return 0;
-}
 
-int CmdHF14AMfRdBl(const char *Cmd)
-{
-       int i, temp;
-       uint8_t blockNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
+       // try to see if card responses to "chinese magic backdoor" commands.
+       (void)mfCIdentify();
 
+       if (isMifareClassic) {
+               switch (DetectClassicPrng()) {
+               case 0:
+                       PrintAndLog("Prng detection: HARDENED (hardnested)");
+                       break;
+               case 1:
+                       PrintAndLog("Prng detection: WEAK");
+                       break;
+               default:
+                       PrintAndLog("Prng detection error.");
+               }
+       }
 
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfrdbl    <block number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       blockNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
+       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: %" PRIu64, msclock()/1000);
+       // repeat n times
+       for (int i = 0; i < n; i++) {
+               // execute anticollision procedure
+               UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
+               SendCommand(&c);
+
+               UsbCommand resp;
+               WaitForResponse(CMD_NACK,&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: %" PRIu64, msclock()/1000);
 
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+       return 1;
+}
 
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
+// ## 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;
        }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6));
-       
-  UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
 
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-               uint8_t              * data  = resp->d.asBytes;
+       // 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);
 
-               PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 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" PRIx64 ")",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("Command execute timeout");
+               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 CmdHF14AMfRdSc(const char *Cmd)
-{
-       int i, temp;
-       uint8_t sectorNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
 
+int CmdHF14ASnoop(const char *Cmd) {
+       int param = 0;
 
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfrdsc    <sector number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF ");
+       uint8_t ctmp = param_getchar(Cmd, 0) ;
+       if (ctmp == 'h' || ctmp == '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;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
        }
 
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+       for (int i = 0; i < 2; i++) {
+               ctmp = param_getchar(Cmd, i);
+               if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
+               if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
+       }
 
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
+       UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+       SendCommand(&c);
+       return 0;
+}
+
+
+void DropField() {
+       UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+       SendCommand(&c);
+}
+
+
+int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+       static bool responseNum = false;
+       uint16_t cmdc = 0;
+       *dataoutlen = 0;
+
+       if (activateField) {
+               responseNum = false;
+               UsbCommand resp;
+
+               // Anticollision + SELECT card
+               UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT | ISO14A_CLEAR_TRACE, 0, 0}};
+               SendCommand(&ca);
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+                       PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
+                       return 1;
+               }
+
+               // check result
+               if (resp.arg[0] == 0) {
+                       PrintAndLog("14aRAW ERROR: No card in field.");
+                       return 1;
+               }
+
+               if (resp.arg[0] != 1 && resp.arg[0] != 2) {
+                       PrintAndLog("14aRAW ERROR: card not in iso14443-4. res=%d.", resp.arg[0]);
+                       return 1;
+               }
+
+               if (resp.arg[0] == 2) {     // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
+                       // get ATS
+                       UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
+                       uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
+                       memcpy(cr.d.asBytes, rats, 2);
+                       SendCommand(&cr);
+                       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+                               PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
+                               return 1;
+                       }
+
+                       if (resp.arg[0] <= 0) { // ats_len
+                               PrintAndLog("14aRAW ERROR: Can't get ATS.");
+                               return 1;
+                       }
+               }
        }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
-       
-  UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-       PrintAndLog(" ");
 
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-               uint8_t              * data  = resp->d.asBytes;
+       if (leaveSignalON)
+               cmdc |= ISO14A_NO_DISCONNECT;
+
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | cmdc, (datainlen & 0xFFFF) + 2, 0}};
+       uint8_t header[] = {0x0a | responseNum, 0x00};
+       responseNum ^= 1;
+       memcpy(c.d.asBytes, header, 2);
+       memcpy(&c.d.asBytes[2], datain, datainlen);
+       SendCommand(&c);
+
+       uint8_t *recv;
+       UsbCommand resp;
+
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               recv = resp.d.asBytes;
+               int iLen = resp.arg[0];
+
+               if(!iLen) {
+                       PrintAndLog("14aRAW ERROR: No card response.");
+                       return 1;
+               }
+
+               *dataoutlen = iLen - 2;
+               if (*dataoutlen < 0)
+                       *dataoutlen = 0;
+
+               if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+                       PrintAndLog("14aRAW ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+                       return 2;
+               }
+
+               if (recv[0] != header[0]) {
+                       PrintAndLog("14aRAW ERROR: iso14443-4 framing error. Card send %2x must be %2x", dataout[0], header[0]);
+                       return 2;
+               }
+
+               memcpy(dataout, &recv[2], *dataoutlen);
 
-               PrintAndLog("isOk:%02x", isOK);
-               for (i = 0; i < 2; i++) {
-                       PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
+               // CRC Check
+               if (iLen == -1) {
+                       PrintAndLog("14aRAW ERROR: ISO 14443A CRC error.");
+                       return 3;
                }
+
+
        } else {
-               PrintAndLog("Command1 execute timeout");
+               PrintAndLog("14aRAW ERROR: Reply timeout.");
+               return 4;
+       }
+
+       return 0;
+}
+
+
+static int SelectCard14443_4(bool disconnect, iso14a_card_select_t *card) {
+       UsbCommand resp;
+
+       frameLength = 0;
+
+       if (card)
+               memset(card, 0, sizeof(iso14a_card_select_t));
+
+       DropField();
+
+       // Anticollision + SELECT card
+       UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       SendCommand(&ca);
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               PrintAndLogEx(ERR, "Proxmark connection timeout.");
+               return 1;
+       }
+
+       // check result
+       if (resp.arg[0] == 0) {
+               PrintAndLogEx(ERR, "No card in field.");
+               return 1;
        }
 
-               // response2
-       resp = WaitForResponseTimeout(CMD_ACK, 500);
-       PrintAndLog(" ");
+       if (resp.arg[0] != 1 && resp.arg[0] != 2) {
+               PrintAndLogEx(ERR, "Card not in iso14443-4. res=%d.", resp.arg[0]);
+               return 1;
+       }
 
-       if (resp != NULL) {
-               uint8_t              * data  = resp->d.asBytes;
+       if (resp.arg[0] == 2) {     // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
+               // try to get ATS although SAK indicated that it is not ISO14443-4 compliant
+               UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
+               uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
+               memcpy(cr.d.asBytes, rats, 2);
+               SendCommand(&cr);
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+                       PrintAndLogEx(ERR, "Proxmark connection timeout.");
+                       return 1;
+               }
 
-               for (i = 0; i < 2; i++) {
-                       PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
+               if (resp.arg[0] <= 0) { // ats_len
+                       PrintAndLogEx(ERR, "Can't get ATS.");
+                       return 1;
                }
-       } else {
-               PrintAndLog("Command2 execute timeout");
        }
-       
-  return 0;
+
+       // get frame length from ATS
+       iso14a_card_select_t *vcard = (iso14a_card_select_t *) resp.d.asBytes;
+       if (vcard->ats_len > 1) {
+               uint8_t fsci = vcard->ats[1] & 0x0f;
+               if (fsci < sizeof(atsFSC))
+                       frameLength = atsFSC[fsci];
+       }
+
+       if (card) {
+               memcpy(card, vcard, sizeof(iso14a_card_select_t));
+       }
+
+       if (disconnect) {
+               DropField();
+       }
+
+       return 0;
 }
 
-int CmdHF14AMfNested(const char *Cmd)
+
+static int ExchangeAPDU(bool chainingin, uint8_t *datain, int datainlen, bool activateField, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool *chainingout)
 {
-       int i, temp, len;
-       uint8_t sectorNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       uint8_t isEOF;
-       uint8_t * data;
-       uint32_t uid;
-       fnVector * vector = NULL;
-       int lenVector = 0;
-       UsbCommand * resp = NULL;
-       
-       const char *cmdp        = Cmd;
+       *chainingout = false;
 
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14a nested    <sector number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a nested 0 A FFFFFFFFFFFF ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
+       if (activateField) {
+               // select with no disconnect and set frameLength
+               int selres = SelectCard14443_4(false, NULL);
+               if (selres)
+                       return selres;
        }
 
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+       uint16_t cmdc = 0;
+       if (chainingin)
+               cmdc = ISO14A_SEND_CHAINING;
 
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
-       }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
-
-       // flush queue
-       while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
-       
-  UsbCommand c = {CMD_MIFARE_NESTED, {sectorNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
+       // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
+       // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
+       // here length USB_CMD_DATA_SIZE=512
+       // timeout must be authomatically set by "get ATS"
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_NO_DISCONNECT | cmdc, (datainlen & 0xFFFF), 0}};
+       memcpy(c.d.asBytes, datain, datainlen);
+       SendCommand(&c);
 
-       PrintAndLog("\n");
-       printf("-------------------------------------------------------------------------\n");
+       uint8_t *recv;
+       UsbCommand resp;
 
-       // wait cycle
-       while (true) {
-               printf(".");
-               if (kbhit()) {
-                       getchar();
-                       printf("\naborted via keyboard!\n");
-                       break;
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               recv = resp.d.asBytes;
+               int iLen = resp.arg[0];
+               uint8_t res = resp.arg[1];
+
+               int dlen = iLen - 2;
+               if (dlen < 0)
+                       dlen = 0;
+               *dataoutlen += dlen;
+
+               if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+                       PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+                       return 2;
+               }
+
+               // I-block ACK
+               if ((res & 0xf2) == 0xa2) {
+                       *dataoutlen = 0;
+                       *chainingout = true;
+                       return 0;
+               }
+
+               if(!iLen) {
+                       PrintAndLog("APDU ERROR: No APDU response.");
+                       return 1;
+               }
+
+               // check apdu length
+               if (iLen < 2 && iLen >= 0) {
+                       PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
+                       return 2;
+               }
+
+               // check block TODO
+               if (iLen == -2) {
+                       PrintAndLog("APDU ERROR: Block type mismatch.");
+                       return 2;
+               }
+
+               memcpy(dataout, recv, dlen);
+
+               // chaining
+               if ((res & 0x10) != 0) {
+                       *chainingout = true;
+               }
+
+               // CRC Check
+               if (iLen == -1) {
+                       PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
+                       return 3;
                }
+       } else {
+               PrintAndLog("APDU ERROR: Reply timeout.");
+               return 4;
+       }
+
+       return 0;
+}
+
+
+int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+       *dataoutlen = 0;
+       bool chaining = false;
+       int res;
+
+       // 3 byte here - 1b framing header, 2b crc16
+       if ( (frameLength && (datainlen > frameLength - 3)) || (datainlen > USB_CMD_DATA_SIZE - 3) ) {
+               int clen = 0;
+
+               bool vActivateField = activateField;
+
+               do {
+                       int vlen = MIN(frameLength - 3, datainlen - clen);
+                       bool chainBlockNotLast = ((clen + vlen) < datainlen);
 
-               resp = WaitForResponseTimeout(CMD_ACK, 1500);
+                       *dataoutlen = 0;
+                       res = ExchangeAPDU(chainBlockNotLast, &datain[clen], vlen, vActivateField, dataout, maxdataoutlen, dataoutlen, &chaining);
+                       if (res) {
+                               if (!leaveSignalON)
+                                       DropField();
 
-               if (resp != NULL) {
-                       isEOF  = resp->arg[0] & 0xff;
-                       data  = resp->d.asBytes;
+                               return 200;
+                       }
+
+                       // check R-block ACK
+                       if ((*dataoutlen == 0) && (*dataoutlen != 0 || chaining != chainBlockNotLast)) {
+                               if (!leaveSignalON)
+                                       DropField();
 
-                       PrintAndLog("isEOF:%02x", isEOF);       
-                       for (i = 0; i < 2; i++) {
-                               PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
+                               return 201;
                        }
-                       if (isEOF) break;
-                       
-                       len = resp->arg[1] & 0xff;
-                       if (len == 0) continue;
-                       
-                       memcpy(&uid, resp->d.asBytes, 4); 
-                       PrintAndLog("uid:%08x len=%d trgbl=%d trgkey=%d", uid, len, resp->arg[2] & 0xff, (resp->arg[2] >> 8) & 0xff);
-
-                       vector = (fnVector *) realloc((void *)vector, (lenVector + len) * sizeof(fnVector) + 200);
-                       if (vector == NULL) {
-                               PrintAndLog("Memory allocation error for fnVector. len: %d bytes: %d", lenVector + len, (lenVector + len) * sizeof(fnVector)); 
+
+                       clen += vlen;
+                       vActivateField = false;
+                       if (*dataoutlen) {
+                               if (clen != datainlen)
+                                       PrintAndLogEx(WARNING, "APDU: I-block/R-block sequence error. Data len=%d, Sent=%d, Last packet len=%d", datainlen, clen, *dataoutlen);
                                break;
                        }
-                       
-                       for (i = 0; i < len; i++) {
-                               vector[lenVector + i].blockNo = resp->arg[2] & 0xff;
-                               vector[lenVector + i].keyType = (resp->arg[2] >> 8) & 0xff;
-                               vector[lenVector + i].uid = uid;
+               } while (clen < datainlen);
+       } else {
+               res = ExchangeAPDU(false, datain, datainlen, activateField, dataout, maxdataoutlen, dataoutlen, &chaining);
+               if (res) {
+                       if (!leaveSignalON)
+                               DropField();
+
+                       return res;
+               }
+       }
 
-                               memcpy(&vector[lenVector + i].nt,  (void *)(resp->d.asBytes + 8 + i * 8 + 0), 4);
-                               memcpy(&vector[lenVector + i].ks1, (void *)(resp->d.asBytes + 8 + i * 8 + 4), 4);
+       while (chaining) {
+               // I-block with chaining
+               res = ExchangeAPDU(false, NULL, 0, false, &dataout[*dataoutlen], maxdataoutlen, dataoutlen, &chaining);
 
-                               PrintAndLog("i=%d nt:%08x ks1:%08x", i, vector[lenVector + i].nt, vector[lenVector + i].ks1);
-                       }
+               if (res) {
+                       if (!leaveSignalON)
+                               DropField();
 
-                       lenVector += len;
+                       return 100;
                }
        }
-       
-       
-       
-       // finalize
-       free(vector);
 
-  return 0;
+       if (!leaveSignalON)
+               DropField();
+
+       return 0;
 }
 
-int CmdHF14AMf1kSim(const char *Cmd)
-{
-       int i, temp;
-       uint8_t uid[4] = {0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
+// ISO14443-4. 7. Half-duplex block transmission protocol
+int CmdHF14AAPDU(const char *cmd) {
+       uint8_t data[USB_CMD_DATA_SIZE];
+       int datalen = 0;
+       uint8_t header[5];
+       int headerlen = 0;
+       bool activateField = false;
+       bool leaveSignalON = false;
+       bool decodeTLV = false;
+       bool decodeAPDU = false;
+       bool makeAPDU = false;
+       bool extendedAPDU = false;
+       int le = 0;
+       int res = 0;
+
+       CLIParserInit("hf 14a apdu",
+                                 "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL). Works with all APDU types from ISO 7816-4:2013",
+                                 "Examples:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\n"
+                                 "\thf 14a apdu -sd 00A404000E325041592E5359532E444446303100 - decode APDU\n"
+                                 "\thf 14a apdu -sm 00A40400 325041592E5359532E4444463031 -l 256 - encode standard APDU\n"
+                                 "\thf 14a apdu -sm 00A40400 325041592E5359532E4444463031 -el 65536 - encode extended APDU\n");
+
+       void* argtable[] = {
+               arg_param_begin,
+               arg_lit0("sS",  "select",   "activate field and select card"),
+               arg_lit0("kK",  "keep",     "leave the signal field ON after receive response"),
+               arg_lit0("tT",  "tlv",      "executes TLV decoder if it possible"),
+               arg_lit0("dD",  "decapdu",  "decode APDU request if it possible"),
+               arg_str0("mM",  "make",     "<head (CLA INS P1 P2) hex>", "make APDU with head from this field and data from data field. Must be 4 bytes length: <CLA INS P1 P2>"),
+               arg_lit0("eE",  "extended", "make extended length APDU (requires `-m`)"),
+               arg_int0("lL",  "le",       "<Le (int)>", "Le APDU parameter (requires `-m`)"),
+               arg_strx1(NULL, NULL,       "<APDU (hex) | data (hex)>", "APDU (without `-m`), or data (with `-m`)"),
+               arg_param_end
+       };
+       CLIExecWithReturn(cmd, argtable, false);
+
+       activateField = arg_get_lit(1);
+       leaveSignalON = arg_get_lit(2);
+       decodeTLV = arg_get_lit(3);
+       decodeAPDU = arg_get_lit(4);
+
+       res = CLIParamHexToBuf(arg_get_str(5), header, sizeof(header), &headerlen);
+       makeAPDU = headerlen > 0;
+       if (res || (makeAPDU && headerlen != 4)) {
+               PrintAndLogEx(ERR, "header length must be exactly 4 bytes");
+               CLIParserFree();
+               return 1;
+       }
+       extendedAPDU = arg_get_lit(6);
+       le = arg_get_int_def(7, 0);
 
+       if (makeAPDU) {
+               uint8_t apdudata[USB_CMD_DATA_SIZE] = {0};
+               int apdudatalen = 0;
 
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14a mfsim  <uid (8 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfsim 0a0a0a0a ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
+               CLIGetHexBLessWithReturn(8, apdudata, &apdudatalen, 1 + 2);
 
-       if (strlen(cmdp) != 8) {
-               PrintAndLog("Length of UID must be 8 hex symbols");
-               return 0;
+               APDUStruct apdu;
+               apdu.cla = header[0];
+               apdu.ins = header[1];
+               apdu.p1 = header[2];
+               apdu.p2 = header[3];
+
+               apdu.lc = apdudatalen;
+               apdu.data = apdudata;
+
+               apdu.extended_apdu = extendedAPDU;
+               apdu.le = le;
+
+               if (APDUEncode(&apdu, data, &datalen)) {
+                       PrintAndLogEx(ERR, "can't make apdu with provided parameters.");
+                       CLIParserFree();
+                       return 2;
+               }
+       } else {
+               if (extendedAPDU) {
+                       PrintAndLogEx(ERR, "`-e` without `-m`.");
+                       CLIParserFree();
+                       return 3;
+               }
+               if (le > 0) {
+                       PrintAndLogEx(ERR, "`-l` without `-m`.");
+                       CLIParserFree();
+                       return 3;
+               }
+
+               // len = data + PCB(1b) + CRC(2b)
+               CLIGetHexBLessWithReturn(8, data, &datalen, 1 + 2);
        }
-       
-       for(i = 0; i < 4; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               uid[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" uid:%s ", sprint_hex(uid, 4));
-       
-  UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}};
-       memcpy(c.d.asBytes, uid, 6);
-  SendCommand(&c);
 
-  return 0;
-}
+       CLIParserFree();
+//  PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]);
+       PrintAndLogEx(NORMAL, ">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
 
+       if (decodeAPDU) {
+               APDUStruct apdu;
 
-int CmdHF14AReader(const char *Cmd)
-{
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
-       SendCommand(&c);
-       UsbCommand * resp = WaitForResponse(CMD_ACK);
-       uint8_t              * uid  = resp->d.asBytes;
-       iso14a_card_select_t * card = uid + 12;
+               if (APDUDecode(data, datalen, &apdu) == 0)
+                       APDUPrint(apdu);
+               else
+                       PrintAndLogEx(WARNING, "can't decode APDU.");
+       }
+
+       res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
+
+       if (res)
+               return res;
+
+       PrintAndLog("<<<< %s", sprint_hex(data, datalen));
 
-       if(resp->arg[0] == 0) {
-               PrintAndLog("iso14443a card select failed");
+       PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
+
+       // TLV decoder
+       if (decodeTLV && datalen > 4) {
+               TLVPrintFromBuffer(data, datalen - 2);
+       }
+
+       return 0;
+}
+
+int CmdHF14ACmdRaw(const char *cmd) {
+       UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+       bool reply=1;
+       bool crc = false;
+       bool power = false;
+       bool active = false;
+       bool active_select = false;
+       bool no_rats = false;
+       uint16_t numbits = 0;
+       bool bTimeout = false;
+       uint32_t timeout = 0;
+       bool topazmode = false;
+       uint8_t data[USB_CMD_DATA_SIZE];
+       int datalen = 0;
+
+       // extract parameters
+       CLIParserInit("hf 14a raw", "Send raw hex data to tag",
+               "Sample:\n"\
+               "\thf 14a raw -pa -b7 -t1000 52  -- execute WUPA\n"\
+               "\thf 14a raw -p 9320            -- anticollision\n"\
+               "\thf 14a raw -psc 60 00         -- select and mifare AUTH\n");
+       void* argtable[] = {
+               arg_param_begin,
+               arg_lit0("rR",  "nreply",  "do not read response"),
+               arg_lit0("cC",  "crc",     "calculate and append CRC"),
+               arg_lit0("pP",  "power",   "leave the signal field ON after receive"),
+               arg_lit0("aA",  "active",  "active signal field ON without select"),
+               arg_lit0("sS",  "actives", "active signal field ON with select"),
+               arg_int0("bB",  "bits",    NULL, "number of bits to send. Useful for send partial byte"),
+               arg_int0("t",   "timeout", NULL, "timeout in ms"),
+               arg_lit0("T",   "topaz",   "use Topaz protocol to send command"),
+               arg_lit0("3",   NULL,      "ISO14443-3 select only (skip RATS)"),
+               arg_strx1(NULL, NULL,      "<data (hex)>", NULL),
+               arg_param_end
+       };
+       // defaults
+       arg_get_int(6) = 0;
+       arg_get_int(7) = 0;
+
+       if (CLIParserParseString(cmd, argtable, arg_getsize(argtable), false)){
+               CLIParserFree();
                return 0;
        }
 
-       PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
-       PrintAndLog(" UID : %s", sprint_hex(uid, 12));
-       PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
-       if(resp->arg[0] == 1)
-               PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
-       else
-               PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
+       reply = !arg_get_lit(1);
+       crc = arg_get_lit(2);
+       power = arg_get_lit(3);
+       active = arg_get_lit(4);
+       active_select = arg_get_lit(5);
+       numbits = arg_get_int(6) & 0xFFFF;
+       timeout = arg_get_int(7);
+       bTimeout = (timeout > 0);
+       topazmode = arg_get_lit(8);
+       no_rats = arg_get_lit(9);
+       // len = data + CRC(2b)
+       if (CLIParamHexToBuf(arg_get_str(10), data, sizeof(data) -2, &datalen)) {
+               CLIParserFree();
+               return 1;
+       }
 
-       return resp->arg[0];
-}
+       CLIParserFree();
 
-// ## simulate iso14443a tag
-// ## greg - added ability to specify tag UID
-int CmdHF14ASim(const char *Cmd)
-{                                 
+       // logic
+       if(crc && datalen>0 && datalen<sizeof(data)-2)
+       {
+               uint8_t first, second;
+               if (topazmode) {
+                       ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+               } else {
+                       ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+               }
+               data[datalen++] = first;
+               data[datalen++] = second;
+       }
 
-  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);
-  }
+       if(active || active_select)
+       {
+               c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+               if(active)
+                       c.arg[0] |= ISO14A_NO_SELECT;
+       }
 
-  // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
-  UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
-  PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
-  SendCommand(&c);
-  return 0;
+       if(bTimeout){
+               #define MAX_TIMEOUT 40542464    // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
+               c.arg[0] |= ISO14A_SET_TIMEOUT;
+               if(timeout > MAX_TIMEOUT) {
+                       timeout = MAX_TIMEOUT;
+                       PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
+               }
+               c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
+       }
+
+       if(power) {
+               c.arg[0] |= ISO14A_NO_DISCONNECT;
+       }
+
+       if(datalen > 0) {
+               c.arg[0] |= ISO14A_RAW;
+       }
+
+       if(topazmode) {
+               c.arg[0] |= ISO14A_TOPAZMODE;
+       }
+
+       if(no_rats) {
+               c.arg[0] |= ISO14A_NO_RATS;
+       }
+
+       // Max buffer is USB_CMD_DATA_SIZE (512)
+       c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
+       memcpy(c.d.asBytes,data,datalen);
+
+       SendCommand(&c);
+
+       if (reply) {
+               int res = 0;
+               if (active_select)
+                       res = waitCmd(1);
+               if (!res && datalen > 0)
+                       waitCmd(0);
+       } // if reply
+       return 0;
 }
 
-int CmdHF14ASnoop(const char *Cmd)
-{
-  UsbCommand c = {CMD_SNOOP_ISO_14443a};
-  SendCommand(&c);
-  return 0;
+
+static int waitCmd(uint8_t iSelect) {
+       uint8_t *recv;
+       UsbCommand resp;
+       char *hexout;
+
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+               recv = resp.d.asBytes;
+               uint8_t iLen = resp.arg[0];
+               if (iSelect){
+                       iLen = resp.arg[1];
+                       if (iLen){
+                               PrintAndLog("Card selected. UID[%i]:", iLen);
+                       } else {
+                               PrintAndLog("Can't select card.");
+                       }
+               } else {
+                       PrintAndLog("received %i bytes:", iLen);
+               }
+               if(!iLen)
+                       return 1;
+               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?");
+                       return 2;
+               }
+       } else {
+               PrintAndLog("timeout while waiting for reply.");
+               return 3;
+       }
+       return 0;
 }
 
-static command_t CommandTable[] = 
+static command_t CommandTable[] =
 {
-  {"help",   CmdHelp,          1, "This help"},
-  {"list",   CmdHF14AList,     0, "List ISO 14443a history"},
-  {"mifare", CmdHF14AMifare,   0, "Read out sector 0 parity error messages. param - <used card nonce>"},
-  {"mfrdbl", CmdHF14AMfRdBl,   0, "Read MIFARE classic block"},
-  {"mfrdsc", CmdHF14AMfRdSc,   0, "Read MIFARE classic sector"},
-  {"mfwrbl", CmdHF14AMfWrBl,   0, "Write MIFARE classic block"},
-  {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
-  {"mfsim",  CmdHF14AMf1kSim,  0, "Simulate MIFARE 1k card - NOT WORKING!!!"},
-  {"reader", CmdHF14AReader,   0, "Act like an ISO14443 Type A reader"},
-  {"sim",    CmdHF14ASim,      0, "<UID> -- Fake ISO 14443a tag"},
-  {"snoop",  CmdHF14ASnoop,    0, "Eavesdrop ISO 14443 Type A"},
-  {NULL, NULL, 0, NULL}
+       {"help",     CmdHelp,              1, "This help"},
+       {"list",     CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
+       {"reader",   CmdHF14AReader,       0, "Start acting like an ISO14443 Type A reader"},
+       {"info",     CmdHF14AInfo,         0, "Reads card and shows information about it"},
+       {"cuids",    CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
+       {"sim",      CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
+       {"snoop",    CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+       {"apdu",     CmdHF14AAPDU,         0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"},
+       {"raw",      CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
+       {NULL,       NULL,                 0, NULL}
 };
 
-int CmdHF14A(const char *Cmd)
-{
-  CmdsParse(CommandTable, Cmd);
-  return 0;
+int CmdHF14A(const char *Cmd) {
+       (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
+       CmdsParse(CommandTable, Cmd);
+       return 0;
 }
 
 int CmdHelp(const char *Cmd)
Impressum, Datenschutz