Add raw HF signal plotting (#786)

[proxmark3-svn] / client / cmdhf14a.c

diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 480923d663a91f3de77531b67f2b5ddac4fcb2b9..922a94492d9f2e1628fcdd7b9d885dac94bc4027 100644 (file)
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -20,8 +20,7 @@
 #include "util.h"
 #include "util_posix.h"
 #include "iso14443crc.h"
 #include "util.h"
 #include "util_posix.h"
 #include "iso14443crc.h"

-#include "data.h"
-#include "proxmark3.h"
+#include "comms.h"

 #include "ui.h"
 #include "cmdparser.h"
 #include "common.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "common.h"


@@ -29,6 +28,7 @@
 #include "mifare.h"
 #include "cmdhfmfu.h"
 #include "mifarehost.h"
 #include "mifare.h"
 #include "cmdhfmfu.h"
 #include "mifarehost.h"

+#include "cliparser/cliparser.h"

 #include "emv/apduinfo.h"
 #include "emv/emvcore.h"
 
 #include "emv/apduinfo.h"
 #include "emv/emvcore.h"
 


@@ -136,40 +136,73 @@ int CmdHF14AList(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

+int Hf14443_4aGetCardData(iso14a_card_select_t * card) {
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
+       SendCommand(&c);
+
+       UsbCommand resp;
+       WaitForResponse(CMD_ACK,&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 CmdHF14AReader(const char *Cmd) {
        uint32_t cm = ISO14A_CONNECT;
 int CmdHF14AReader(const char *Cmd) {
        uint32_t cm = ISO14A_CONNECT;

-       bool disconnectAfter = true;
+       bool leaveSignalON = false;

        
        

-       int cmdp = 0;
-       while(param_getchar(Cmd, cmdp) != 0x00) {
-               switch(param_getchar(Cmd, cmdp)) {
-               case 'h':
-               case 'H':
-                       PrintAndLog("Usage: hf 14a reader [k|x] [3]");
-                       PrintAndLog("       k    keep the field active after command executed");
-                       PrintAndLog("       x    just drop the signal field");
-                       PrintAndLog("       3    ISO14443-3 select only (skip RATS)");
-                       return 0;
-               case '3':
-                       cm |= ISO14A_NO_RATS; 
-                       break;
-               case 'k':
-               case 'K':
-                       disconnectAfter = false;
-                       break;
-               case 'x':
-               case 'X':
-                       cm &= ~ISO14A_CONNECT;
-                       break;
-               default:
-                       PrintAndLog("Unknown command.");
-                       return 1;
-               }       
-               
-               cmdp++;
+       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;

        }
        }

-
-       if (!disconnectAfter)
+       
+       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}};
                cm |= ISO14A_NO_DISCONNECT; 
        
        UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};


@@ -201,12 +234,12 @@ int CmdHF14AReader(const char *Cmd) {
                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(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 (!disconnectAfter) {
+               if (leaveSignalON) {

                        PrintAndLog("Card is selected. You can now start sending commands");
                }
        }
 
                        PrintAndLog("Card is selected. You can now start sending commands");
                }
        }
 

-       if (disconnectAfter) {
+       if (!leaveSignalON) {

                PrintAndLog("Field dropped.");
        }
        
                PrintAndLog("Field dropped.");
        }
        


@@ -487,12 +520,12 @@ int CmdHF14AInfo(const char *Cmd)
 
        
        // try to see if card responses to "chinese magic backdoor" commands.
 
        
        // try to see if card responses to "chinese magic backdoor" commands.

-       mfCIdentify();
+       (void)mfCIdentify();

        
        if (isMifareClassic) {          
                switch(DetectClassicPrng()) {
                case 0:
        
        if (isMifareClassic) {          
                switch(DetectClassicPrng()) {
                case 0:

-                       PrintAndLog("Prng detection: HARDEND (hardnested)");            
+                       PrintAndLog("Prng detection: HARDENED (hardnested)");           

                        break;
                case 1:
                        PrintAndLog("Prng detection: WEAK");
                        break;
                case 1:
                        PrintAndLog("Prng detection: WEAK");


@@ -654,20 +687,119 @@ void DropField() {
        SendCommand(&c);
 }
 
        SendCommand(&c);
 }
 

-int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+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;
        uint16_t cmdc = 0;

+       *dataoutlen = 0;

        
        if (activateField) {
        
        if (activateField) {

-               cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+               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;
+                       }
+               }

        }
        }

+       

        if (leaveSignalON)
                cmdc |= ISO14A_NO_DISCONNECT;
 
        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);
+               
+               // CRC Check
+               if (iLen == -1) {
+                       PrintAndLog("14aRAW ERROR: ISO 14443A CRC error.");
+                       return 3;
+               }
+
+
+    } else {
+        PrintAndLog("14aRAW ERROR: Reply timeout.");
+               return 4;
+    }
+       
+       return 0;
+}
+
+int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool *chaining) {
+       uint16_t cmdc = 0;
+
+       *chaining = false;
+       
+       if (activateField) {
+               cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+       }
+

        // "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"
        // "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 | cmdc, (datainlen & 0xFFFF), 0}}; 
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_NO_DISCONNECT | cmdc, (datainlen & 0xFFFF), 0}}; 

        memcpy(c.d.asBytes, datain, datainlen);
        SendCommand(&c);
        
        memcpy(c.d.asBytes, datain, datainlen);
        SendCommand(&c);
        


@@ -681,6 +813,7 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
                }
                if (resp.arg[0] != 1) {
                        PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
                }
                if (resp.arg[0] != 1) {
                        PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);

+                       DropField();

                        return 1;
                }
        }
                        return 1;
                }
        }


@@ -688,45 +821,76 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
     if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
         recv = resp.d.asBytes;
         int iLen = resp.arg[0];
     if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
         recv = resp.d.asBytes;
         int iLen = resp.arg[0];

+               uint8_t res = resp.arg[1];

                
                

-               *dataoutlen = iLen - 2;
-               if (*dataoutlen < 0)
-                       *dataoutlen = 0;
+               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;
                }
                
                
                if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
                        PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
                        return 2;
                }
                

-               memcpy(dataout, recv, *dataoutlen);
-               

         if(!iLen) {
                        PrintAndLog("APDU ERROR: No APDU response.");
             return 1;
                }
 
         if(!iLen) {
                        PrintAndLog("APDU ERROR: No APDU response.");
             return 1;
                }
 

+               // check apdu length
+               if (iLen < 4 && 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;
                }
                // check block TODO
                if (iLen == -2) {
                        PrintAndLog("APDU ERROR: Block type mismatch.");
                        return 2;
                }

+
+               memcpy(dataout, recv, dlen);
+               
+               // chaining
+               if ((res & 0x10) != 0) {
+                       *chaining = true;
+               }

                
                // CRC Check
                if (iLen == -1) {
                        PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
                        return 3;
                }
                
                // CRC Check
                if (iLen == -1) {
                        PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
                        return 3;
                }

-
-               // check apdu length
-               if (iLen < 4) {
-                       PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
-                       return 2;
-               }
-               

     } else {
         PrintAndLog("APDU ERROR: Reply timeout.");
                return 4;
     }
     } 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 = CmdExchangeAPDU(datain, datainlen, activateField, dataout, maxdataoutlen, dataoutlen, &chaining);
+
+       while (chaining) {
+               // I-block with chaining
+               res = CmdExchangeAPDU(NULL, 0, false, &dataout[*dataoutlen], maxdataoutlen, dataoutlen, &chaining);
+               
+               if (res) {
+                       if (!leaveSignalON)
+                               DropField();
+                       
+                       return 100;
+               }
+       }       
+       
+       if (!leaveSignalON)
+               DropField();

        
        return 0;
 }
        
        return 0;
 }


@@ -738,59 +902,30 @@ int CmdHF14AAPDU(const char *cmd) {
        bool activateField = false;
        bool leaveSignalON = false;
        bool decodeTLV = false;
        bool activateField = false;
        bool leaveSignalON = false;
        bool decodeTLV = false;

+
+       CLIParserInit("hf 14a apdu", 
+               "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)", 
+               "Sample:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\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_strx1(NULL, NULL,      "<APDU (hex)>", NULL),
+               arg_param_end
+       };
+       CLIExecWithReturn(cmd, argtable, false);

        
        

-       if (strlen(cmd) < 2) {
-               PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
-               PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)");
-               PrintAndLog("       -s    activate field and select card");
-               PrintAndLog("       -k    leave the signal field ON after receive response");
-               PrintAndLog("       -t    executes TLV decoder if it possible. TODO!!!!");
-               return 0;
-       }
+       activateField = arg_get_lit(1);
+       leaveSignalON = arg_get_lit(2);
+       decodeTLV = arg_get_lit(3);
+       // len = data + PCB(1b) + CRC(2b)
+       CLIGetHexBLessWithReturn(4, data, &datalen, 1 + 2);

 
 

-       int cmdp = 0;
-       while(param_getchar(cmd, cmdp) != 0x00) {
-               char c = param_getchar(cmd, cmdp);
-               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
-                       switch (param_getchar_indx(cmd, 1, cmdp)) {
-                               case 's':
-                               case 'S':
-                                       activateField = true;
-                                       break;
-                               case 'k':
-                               case 'K':
-                                       leaveSignalON = true;
-                                       break;
-                               case 't':
-                               case 'T':
-                                       decodeTLV = true;
-                                       break;
-                               default:
-                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
-                                       return 1;
-                       }
-                       
-               if (isxdigit((unsigned char)c)) {
-                       // len = data + PCB(1b) + CRC(2b)
-                       switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
-                       case 1:
-                               PrintAndLog("Invalid HEX value.");
-                               return 1;
-                       case 2:
-                               PrintAndLog("APDU too large.");
-                               return 1;
-                       case 3:
-                               PrintAndLog("Hex must have even number of digits.");
-                               return 1;
-                       }
-                       
-                       // we get all the hex to end of line with spaces
-                       break;
-               }
-               
-               cmdp++;
-       }

 
 

+       CLIParserFree();
+//     PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]);

        PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
        
        int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
        PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
        
        int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);


@@ -822,102 +957,57 @@ int CmdHF14ACmdRaw(const char *cmd) {
        bool bTimeout = false;
        uint32_t timeout = 0;
        bool topazmode = false;
        bool bTimeout = false;
        uint32_t timeout = 0;
        bool topazmode = false;

-       char buf[5]="";
-       int i = 0;

        uint8_t data[USB_CMD_DATA_SIZE];
        uint8_t data[USB_CMD_DATA_SIZE];

-       uint16_t datalen = 0;
-       uint32_t temp;
-
-       if (strlen(cmd)<2) {
-               PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <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");
-               PrintAndLog("       -t    timeout in ms");
-               PrintAndLog("       -T    use Topaz protocol to send command");
-               PrintAndLog("       -3    ISO14443-3 select only (skip RATS)");
-               return 0;
-       }
-
+       int datalen = 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 = false;
-                                       break;
-                               case 'c':
-                                       crc = true;
-                                       break;
-                               case 'p':
-                                       power = true;
-                                       break;
-                               case 'a':
-                                       active = true;
-                                       break;
-                               case 's':
-                                       active_select = true;
-                                       break;
-                               case 'b': 
-                                       sscanf(cmd+i+2,"%d",&temp);
-                                       numbits = temp & 0xFFFF;
-                                       i+=3;
-                                       while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
-                                       i-=2;
-                                       break;
-                               case 't':
-                                       bTimeout = true;
-                                       sscanf(cmd+i+2,"%d",&temp);
-                                       timeout = temp;
-                                       i+=3;
-                                       while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
-                                       i-=2;
-                                       break;
-                               case 'T':
-                                       topazmode = true;
-                                       break;
-                               case '3':
-                                       no_rats = true;
-                                       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);
-                               *buf=0;
-                               if (datalen > sizeof(data)-1) {
-                                       if (crc)
-                                               PrintAndLog("Buffer is full, we can't add CRC to your data");
-                                       break;
-                               } else {
-                                       datalen++;
-                               }
-                       }
-                       continue;
-               }
-               PrintAndLog("Invalid char on input");
+       // 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;
        }
                return 0;
        }

-
+       
+       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;
+       }
+       
+       CLIParserFree();        
+       
+       // logic 

        if(crc && datalen>0 && datalen<sizeof(data)-2)
        {
                uint8_t first, second;
        if(crc && datalen>0 && datalen<sizeof(data)-2)
        {
                uint8_t first, second;


@@ -1033,12 +1123,9 @@ static command_t CommandTable[] =
 };
 
 int CmdHF14A(const char *Cmd) {
 };
 
 int CmdHF14A(const char *Cmd) {

-       // flush
-       WaitForResponseTimeout(CMD_ACK,NULL,100);
-
-       // parse
-  CmdsParse(CommandTable, Cmd);
-  return 0;
+       (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
+       CmdsParse(CommandTable, Cmd);
+       return 0;

 }
 
 int CmdHelp(const char *Cmd)
 }
 
 int CmdHelp(const char *Cmd)