]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdsmartcard.c
fix 'hf 14b sriwrite' (#880)
[proxmark3-svn] / client / cmdsmartcard.c
index 80cbec462f79d6f0c30aa77f79fdf114fc2b571e..b0d96f1320f422848b48c74c7d0ba5b55ef188f6 100644 (file)
 #include "smartcard.h"
 #include "comms.h"
 #include "protocols.h"
-#include "cmdhf.h"              // CmdHFlist
+#include "cmdhw.h"
+#include "cmdhflist.h"
 #include "emv/apduinfo.h"       // APDUcode description
 #include "emv/emvcore.h"        // decodeTVL
-#include "crypto/libpcrypto.h"                 // sha512hash
+#include "crypto/libpcrypto.h" // sha512hash
 #include "emv/dump.h"                  // dump_buffer
+#include "pcsc.h"
 
 #define SC_UPGRADE_FILES_DIRECTORY          "sc_upgrade_firmware/"
 
+static bool UseAlternativeSmartcardReader = false;     // default: use PM3 RDV40 Smartcard Slot (if available)
+
 static int CmdHelp(const char *Cmd);
 
 static int usage_sm_raw(void) {
        PrintAndLogEx(NORMAL, "Usage: sc raw [h|r|c] d <0A 0B 0C ... hex>");
        PrintAndLogEx(NORMAL, "       h          :  this help");
        PrintAndLogEx(NORMAL, "       r          :  do not read response");
-       PrintAndLogEx(NORMAL, "       a          :  active smartcard without select");
-       PrintAndLogEx(NORMAL, "       s          :  active smartcard with select");
+       PrintAndLogEx(NORMAL, "       a          :  active smartcard without select (reset sc module)");
+       PrintAndLogEx(NORMAL, "       s          :  active smartcard with select (get ATR)");
        PrintAndLogEx(NORMAL, "       t          :  executes TLV decoder if it possible");
+       PrintAndLogEx(NORMAL, "       0          :  use protocol T=0");
        PrintAndLogEx(NORMAL, "       d <bytes>  :  bytes to send");
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(NORMAL, "Examples:");
-       PrintAndLogEx(NORMAL, "        sc raw d 00a404000e315041592e5359532e444446303100    - `1PAY.SYS.DDF01` PPSE directory");
-       PrintAndLogEx(NORMAL, "        sc raw d 00a404000e325041592e5359532e444446303100    - `2PAY.SYS.DDF01` PPSE directory");
+       PrintAndLogEx(NORMAL, "        sc raw s 0 d 00a404000e315041592e5359532e4444463031  - `1PAY.SYS.DDF01` PSE directory with get ATR");
+       return 0;
+}
+
+static int usage_sm_select(void) {
+       PrintAndLogEx(NORMAL, "Usage: sc select [h|<reader name>] ");
+       PrintAndLogEx(NORMAL, "       h             :  this help");
+       PrintAndLogEx(NORMAL, "       <reader name> :  a card reader's name, wildcards allowed, leave empty to pick from available readers");
+       PrintAndLogEx(NORMAL, "");
+       PrintAndLogEx(NORMAL, "Examples:");
+       PrintAndLogEx(NORMAL, "        sc select          : list available card readers and pick");
+       PrintAndLogEx(NORMAL, "        sc select Gemalto* : select a connected Gemalto card reader" );
        return 0;
 }
 
@@ -161,77 +176,81 @@ float FArray[] = {
        0     // b1111 RFU
 };
 
-int GetATRDi(uint8_t *atr, size_t atrlen) {
+static int GetATRDi(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return DiArray[TA1 & 0x0f];  // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di
 }
 
-int GetATRFi(uint8_t *atr, size_t atrlen) {
+static int GetATRFi(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FiArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
 }
 
-float GetATRF(uint8_t *atr, size_t atrlen) {
+static float GetATRF(uint8_t *atr, size_t atrlen) {
        uint8_t TA1 = GetATRTA1(atr, atrlen);
 
        return FArray[TA1 >> 4];  // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
 }
 
 static int PrintATR(uint8_t *atr, size_t atrlen) {
-       uint8_t vxor = 0;
-       for (int i = 1; i < atrlen; i++)
-               vxor ^= atr[i];
-
-       if (vxor)
-               PrintAndLogEx(WARNING, "Check summ error. Must be 0 but: 0x%02x", vxor);
-       else
-               PrintAndLogEx(INFO, "Check summ OK.");
-
-       if (atr[0] != 0x3b)
-               PrintAndLogEx(WARNING, "Not a direct convention: 0x%02x", atr[0]);
 
        uint8_t T0 = atr[1];
        uint8_t K = T0 & 0x0F;
-       uint8_t TD1 = 0;
-
-       uint8_t T1len = 0;
-       uint8_t TD1len = 0;
-       uint8_t TDilen = 0;
+       uint8_t TD1 = 0, T1len = 0, TD1len = 0, TDilen = 0;
+       bool protocol_T0_present = true;
+       bool protocol_T15_present = false;
 
        if (T0 & 0x10) {
-               PrintAndLog("TA1 (Maximum clock frequency, proposed bit duration): 0x%02x", atr[2 + T1len]);
+               PrintAndLog("\t- TA1 (Maximum clock frequency, proposed bit duration) [ 0x%02x ]", atr[2 + T1len]);
                T1len++;
        }
+       
        if (T0 & 0x20) {
-               PrintAndLog("TB1 (Deprecated: VPP requirements): 0x%02x", atr[2 + T1len]);
+               PrintAndLog("\t- TB1 (Deprecated: VPP requirements) [ 0x%02x ]", atr[2 + T1len]);
                T1len++;
        }
+       
        if (T0 & 0x40) {
-               PrintAndLog("TC1 (Extra delay between bytes required by card): 0x%02x", atr[2 + T1len]);
+               PrintAndLog("\t- TC1 (Extra delay between bytes required by card) [ 0x%02x ]", atr[2 + T1len]);
                T1len++;
        }
+       
        if (T0 & 0x80) {
                TD1 = atr[2 + T1len];
-               PrintAndLog("TD1 (First offered transmission protocol, presence of TA2..TD2): 0x%02x. Protocol T=%d", TD1, TD1 & 0x0f);
+               PrintAndLog("\t- TD1 (First offered transmission protocol, presence of TA2..TD2) [ 0x%02x ] Protocol T%d", TD1, TD1 & 0x0f);
+               protocol_T0_present = false;
+               if ((TD1 & 0x0f) == 0) {
+                       protocol_T0_present = true;
+               }
+               if ((TD1 & 0x0f) == 15) {
+                       protocol_T15_present = true;
+               }
+               
                T1len++;
 
                if (TD1 & 0x10) {
-                       PrintAndLog("TA2 (Specific protocol and parameters to be used after the ATR): 0x%02x", atr[2 + T1len + TD1len]);
+                       PrintAndLog("\t- TA2 (Specific protocol and parameters to be used after the ATR) [ 0x%02x ]", atr[2 + T1len + TD1len]);
                        TD1len++;
                }
                if (TD1 & 0x20) {
-                       PrintAndLog("TB2 (Deprecated: VPP precise voltage requirement): 0x%02x", atr[2 + T1len + TD1len]);
+                       PrintAndLog("\t- TB2 (Deprecated: VPP precise voltage requirement) [ 0x%02x ]", atr[2 + T1len + TD1len]);
                        TD1len++;
                }
                if (TD1 & 0x40) {
-                       PrintAndLog("TC2 (Maximum waiting time for protocol T=0): 0x%02x", atr[2 + T1len + TD1len]);
+                       PrintAndLog("\t- TC2 (Maximum waiting time for protocol T=0) [ 0x%02x ]", atr[2 + T1len + TD1len]);
                        TD1len++;
                }
                if (TD1 & 0x80) {
                        uint8_t TDi = atr[2 + T1len + TD1len];
-                       PrintAndLog("TD2 (A supported protocol or more global parameters, presence of TA3..TD3): 0x%02x. Protocol T=%d", TDi, TDi & 0x0f);
+                       PrintAndLog("\t- TD2 (A supported protocol or more global parameters, presence of TA3..TD3) [ 0x%02x ] Protocol T%d", TDi, TDi & 0x0f);
+                       if ((TDi & 0x0f) == 0) {
+                               protocol_T0_present = true;
+                       }
+                       if ((TDi & 0x0f) == 15) {
+                               protocol_T15_present = true;
+                       }
                        TD1len++;
 
                        bool nextCycle = true;
@@ -239,20 +258,20 @@ static int PrintATR(uint8_t *atr, size_t atrlen) {
                        while (nextCycle) {
                                nextCycle = false;
                                if (TDi & 0x10) {
-                                       PrintAndLog("TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+                                       PrintAndLog("\t- TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
                                        TDilen++;
                                }
                                if (TDi & 0x20) {
-                                       PrintAndLog("TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+                                       PrintAndLog("\t- TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
                                        TDilen++;
                                }
                                if (TDi & 0x40) {
-                                       PrintAndLog("TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
+                                       PrintAndLog("\t- TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
                                        TDilen++;
                                }
                                if (TDi & 0x80) {
                                        TDi = atr[2 + T1len + TD1len + TDilen];
-                                       PrintAndLog("TD%d: 0x%02x. Protocol T=%d", vi, TDi, TDi & 0x0f);
+                                       PrintAndLog("\t- TD%d [ 0x%02x ] Protocol T%d", vi, TDi, TDi & 0x0f);
                                        TDilen++;
 
                                        nextCycle = true;
@@ -262,132 +281,149 @@ static int PrintATR(uint8_t *atr, size_t atrlen) {
                }
        }
 
+       if (!protocol_T0_present || protocol_T15_present) { // there is CRC Check Byte TCK
+               uint8_t vxor = 0;
+               for (int i = 1; i < atrlen; i++)
+                       vxor ^= atr[i];
+               
+               if (vxor)
+                       PrintAndLogEx(WARNING, "Check sum error. Must be 0 got 0x%02X", vxor);
+               else
+                       PrintAndLogEx(INFO, "Check sum OK.");
+       }
+       
+       if (atr[0] != 0x3b)
+               PrintAndLogEx(WARNING, "Not a direct convention [ 0x%02x ]", atr[0]);
+
        uint8_t calen = 2 + T1len + TD1len + TDilen + K;
 
        if (atrlen != calen && atrlen != calen + 1)  // may be CRC
                PrintAndLogEx(ERR, "ATR length error. len: %d, T1len: %d, TD1len: %d, TDilen: %d, K: %d", atrlen, T1len, TD1len, TDilen, K);
-       else
-               PrintAndLogEx(INFO, "ATR length OK.");
 
-       PrintAndLog("Historical bytes len: 0x%02x", K);
        if (K > 0)
-               PrintAndLog("The format of historical bytes: %02x", atr[2 + T1len + TD1len + TDilen]);
+               PrintAndLogEx(INFO, "\nHistorical bytes | len %02d | format %02x", K, atr[2 + T1len + TD1len + TDilen]);
+       
        if (K > 1) {
-               PrintAndLog("Historical bytes:");
+               PrintAndLogEx(INFO, "\tHistorical bytes");
                dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1);
        }
 
        return 0;
 }
 
+bool smart_getATR(smart_card_atr_t *card)
+{
+       if (UseAlternativeSmartcardReader) {
+               return pcscGetATR(card);
+       } else {
+               UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
+               SendCommand(&c);
+
+               UsbCommand resp;
+               if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
+                       return false;
+               }
 
-static bool smart_select(bool silent) {
-       UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-       clearCommandBuffer();
-       SendCommand(&c);
-       UsbCommand resp;
-       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
-               if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
-               return false;
+               if (resp.arg[0] & 0xff) {
+                       return resp.arg[0] & 0xFF;
+               }
+
+               memcpy(card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
+
+               return true;
        }
+}
 
-       uint8_t isok = resp.arg[0] & 0xFF;
-       if (!isok) {
+static bool smart_select(bool silent) {
+
+       smart_card_atr_t card;
+       if (!smart_getATR(&card)) {
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return false;
        }
 
        if (!silent) {
-               smart_card_atr_t card;
-               memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
-
                PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
        }
 
        return true;
 }
 
-static int smart_wait(uint8_t *data) {
-       UsbCommand resp;
-       if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
-               PrintAndLogEx(WARNING, "smart card response failed");
-               return -1;
-       }
-
-       uint32_t len = resp.arg[0];
-       if ( !len ) {
-               PrintAndLogEx(WARNING, "smart card response failed");
-               return -2;
-       }
-       memcpy(data, resp.d.asBytes, len);
-       PrintAndLogEx(SUCCESS, " %d | %s", len, sprint_hex_inrow_ex(data,  len, 32));
-
-       if (len >= 2) {
-               PrintAndLogEx(SUCCESS, "%02X%02X | %s", data[len - 2], data[len - 1], GetAPDUCodeDescription(data[len - 2], data[len - 1]));
-       }
-       return len;
-}
 
-static int smart_response(uint8_t apduINS, uint8_t *data) {
+static void smart_transmit(uint8_t *data, uint32_t data_len, uint32_t flags, uint8_t *response, int *response_len, uint32_t max_response_len)
+{
+       // PrintAndLogEx(SUCCESS, "C-TPDU>>>> %s", sprint_hex(data, data_len));
+       if (UseAlternativeSmartcardReader) {
+               *response_len = max_response_len;
+               pcscTransmit(data, data_len, flags, response, response_len);
+       } else {
+               UsbCommand c = {CMD_SMART_RAW, {flags, data_len, 0}};
+               memcpy(c.d.asBytes, data, data_len);
+               SendCommand(&c);
 
-       int datalen = smart_wait(data);
-       bool needGetData = false;
+               if (!WaitForResponseTimeout(CMD_ACK, &c, 2500)) {
+                       PrintAndLogEx(WARNING, "smart card response timeout");
+                       *response_len = -1;
+                       return;
+               }
 
-       if (datalen < 2 ) {
-               goto out;
+               *response_len = c.arg[0];
+               if (*response_len > 0) {
+                       memcpy(response, c.d.asBytes, *response_len);
+               }
        }
 
-       if (datalen > 2 && data[0] != apduINS) {
-               PrintAndLogEx(ERR, "Card ACK error. len=0x%x data[0]=%02x", datalen, data[0]);
-               datalen = 0;
-               goto out;
+       if (*response_len <= 0) {
+               PrintAndLogEx(WARNING, "smart card response failed");
+               *response_len = -2;
+               return;
        }
 
-       if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) {
-               needGetData = true;
+       if (*response_len < 2) {
+               // PrintAndLogEx(SUCCESS, "R-TPDU  %02X | ", response[0]);
+               return;
        }
 
-       if (needGetData) {
-               int len = data[datalen - 1];
-               PrintAndLogEx(INFO, "Requesting response. len=0x%x", len);
-               uint8_t getstatus[] = {ISO7816_GETSTATUS, 0x00, 0x00, len};
-               UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}};
-               memcpy(cStatus.d.asBytes, getstatus, sizeof(getstatus) );
-               clearCommandBuffer();
-               SendCommand(&cStatus);
-
-               datalen = smart_wait(data);
+       // PrintAndLogEx(SUCCESS, "R-TPDU<<<< %s", sprint_hex(response, *response_len));
+       // PrintAndLogEx(SUCCESS, "R-TPDU SW %02X%02X | %s", response[*response_len-2], response[*response_len-1], GetAPDUCodeDescription(response[*response_len-2], response[*response_len-1]));
+}
 
-               if (datalen < 2 ) {
-                       goto out;
-               }
-               if (datalen > 2 && data[0] != ISO7816_GETSTATUS) {
-                       PrintAndLogEx(ERR, "GetResponse ACK error. len=0x%x data[0]=%02x", len, data[0]);
-                       datalen = 0;
-                       goto out;
-               }
 
-               if (datalen != len + 2 + 1) { // 2 - response, 1 - ACK
-                       PrintAndLogEx(WARNING, "GetResponse wrong length. Must be: 0x%02x but: 0x%02x", len, datalen - 3);
-               }
+static int CmdSmartSelect(const char *Cmd)
+{
+       const char *readername;
+       
+       if (tolower(param_getchar(Cmd, 0)) == 'h') {
+               return usage_sm_select();
        }
-
-       if (datalen > 2) {
-               datalen--;
-               memmove(data, &data[1], datalen);
+       
+       if (!PM3hasSmartcardSlot() && !pcscCheckForCardReaders()) {
+               PrintAndLogEx(WARNING, "No Smartcard Readers available");
+               UseAlternativeSmartcardReader = false;
+               return 1;
+       }
+       
+       int bg, en;
+       if (param_getptr(Cmd, &bg, &en, 0)) {
+               UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(NULL);
+       } else {
+               readername = Cmd + bg;
+               UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(readername);
        }
-       out:
-       return datalen;
+
+       return 0;
 }
 
-int CmdSmartRaw(const char *Cmd) {
+
+static int CmdSmartRaw(const char *Cmd) {
 
        int hexlen = 0;
        bool active = false;
        bool active_select = false;
+    bool useT0 = false;        
        uint8_t cmdp = 0;
        bool errors = false, reply = true, decodeTLV = false, breakloop = false;
-       uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+       uint8_t data[ISO7816_MAX_FRAME_SIZE] = {0x00};
 
        while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
                switch (tolower(param_getchar(Cmd, cmdp))) {
@@ -408,6 +444,10 @@ int CmdSmartRaw(const char *Cmd) {
                        decodeTLV = true;
                        cmdp++;
                        break;
+               case '0':
+                       useT0 = true;
+                       cmdp++;
+                       break;                  
                case 'd': {
                        switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) {
                        case 1:
@@ -437,101 +477,107 @@ int CmdSmartRaw(const char *Cmd) {
        //Validations
        if (errors || cmdp == 0 ) return usage_sm_raw();
 
-       // arg0 = RFU flags
-       // arg1 = length
-       UsbCommand c = {CMD_SMART_RAW, {0, hexlen, 0}};
-
+       uint32_t flags = 0;
+       uint32_t protocol = 0;
        if (active || active_select) {
-               c.arg[0] |= SC_CONNECT;
+               flags |= SC_CONNECT;
                if (active_select)
-                       c.arg[0] |= SC_SELECT;
+                       flags |= SC_SELECT;
        }
-
        if (hexlen > 0) {
-               c.arg[0] |= SC_RAW;
+               if (useT0)
+                       protocol = SC_RAW_T0;
+               else
+                       protocol = SC_RAW;
        }
-
-       memcpy(c.d.asBytes, data, hexlen );
-       clearCommandBuffer();
-       SendCommand(&c);
+       
+       int response_len = 0;
+       uint8_t *response = NULL;
+       if (reply) {
+               response = calloc(ISO7816_MAX_FRAME_SIZE, sizeof(uint8_t));
+               if ( !response )
+                       return 1;
+       }
+       
+       smart_transmit(data, hexlen, flags|protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
 
        // reading response from smart card
        if ( reply ) {
-
-               uint8_t* buf = calloc(USB_CMD_DATA_SIZE, sizeof(uint8_t));
-               if ( !buf )
-                       return 1;
-
-               int len = smart_response(data[1], buf);
-               if ( len < 0 ) {
-                       free(buf);
+               if ( response_len < 0 ) {
+                       free(response);
                        return 2;
                }
 
-               if ( buf[0] == 0x6C ) {
-                       data[4] = buf[1];
-
-                       memcpy(c.d.asBytes, data, sizeof(data) );
-                       clearCommandBuffer();
-                       SendCommand(&c);
-                       len = smart_response(data[1], buf);
-
+               if ( response[0] == 0x6C ) {
+                       data[4] = response[1];
+                       smart_transmit(data, hexlen, protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
                        data[4] = 0;
                }
 
-               if (decodeTLV && len > 4)
-                       TLVPrintFromBuffer(buf+1, len-3);
+               if (decodeTLV && response_len > 4)
+                       TLVPrintFromBuffer(response, response_len-2);
 
-               free(buf);
+               free(response);
        }
        return 0;
 }
 
-int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
-       *dataoutlen = 0;
+
+int ExchangeAPDUSC(uint8_t *APDU, int APDUlen, bool activateCard, bool leaveSignalON, uint8_t *response, int maxresponselen, int *responselen) 
+{
+       uint8_t TPDU[ISO7816_MAX_FRAME_SIZE];
+       
+       *responselen = 0;
 
        if (activateCard)
                smart_select(false);
-       printf("* APDU SC\n");
 
-       UsbCommand c = {CMD_SMART_RAW, {SC_RAW | SC_CONNECT, datainlen, 0}};
+       uint32_t flags = SC_RAW_T0;
        if (activateCard) {
-               c.arg[0] |= SC_SELECT;
+               flags |= SC_SELECT | SC_CONNECT;
        }
-       memcpy(c.d.asBytes, datain, datainlen);
-       clearCommandBuffer();
-       SendCommand(&c);
-
-       int len = smart_response(datain[1], dataout);
-
-       if ( len < 0 ) {
-               return 2;
+       
+       if (APDUlen == 4) {     // Case 1
+               memcpy(TPDU, APDU, 4);
+               TPDU[4] = 0x00;
+               smart_transmit(TPDU, 5, flags, response, responselen, maxresponselen);
+       } else if (APDUlen == 5) { // Case 2 Short
+               smart_transmit(APDU, 5, flags, response, responselen, maxresponselen);
+               if (response[0] == 0x6C) { // wrong Le
+                       uint16_t Le = APDU[4] ? APDU[4] : 256;
+                       uint8_t La = response[1];
+                       memcpy(TPDU, APDU, 5);
+                       TPDU[4] = La;
+                       smart_transmit(TPDU, 5, SC_RAW_T0, response, responselen, maxresponselen);
+                       if (Le < La && *responselen >= 0) {
+                               response[Le] = response[*responselen-2];
+                               response[Le+1] = response[*responselen-1];
+                               *responselen = Le + 2;
+                       }
+               }
+       } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4]) { // Case 3 Short
+               smart_transmit(APDU, APDUlen, flags, response, responselen, maxresponselen);
+       } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4] + 1) { // Case 4 Short
+               smart_transmit(APDU, APDUlen-1, flags, response, responselen, maxresponselen);
+               if (response[0] == 0x90 && response[1] == 0x00) {
+                       uint8_t Le = APDU[APDUlen-1];
+                       uint8_t get_response[5] = {0x00, ISO7816_GET_RESPONSE, 0x00, 0x00, Le};
+                       return ExchangeAPDUSC(get_response, 5, false, leaveSignalON, response, maxresponselen, responselen);
+               }
+       } else { // Long Cases not yet implemented
+               PrintAndLogEx(ERR, "Long APDUs not yet implemented");
+               *responselen = -3;
        }
 
-
-       // retry
-       if (len > 1 && dataout[len - 2] == 0x6c && datainlen > 4) {
-               UsbCommand c2 = {CMD_SMART_RAW, {SC_RAW, datainlen, 0}};
-               memcpy(c2.d.asBytes, datain, datainlen);
-
-               int vlen = 5 + datain[4];
-               if (datainlen == vlen)
-                       datainlen++;
-
-               c2.d.asBytes[vlen] = dataout[len - 1];
-
-               clearCommandBuffer();
-               SendCommand(&c2);
-
-               len = smart_response(datain[1], dataout);
+       if (*responselen < 0 ) {
+               return 1;
+       } else {
+               return 0;
        }
-       *dataoutlen = len;
-
-       return 0;
 }
 
 
-int CmdSmartUpgrade(const char *Cmd) {
+static int CmdSmartUpgrade(const char *Cmd) {
 
        PrintAndLogEx(NORMAL, "");
        PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
@@ -552,7 +598,6 @@ int CmdSmartUpgrade(const char *Cmd) {
                                errors = true;
                                break;
                        }
-
                        cmdp += 2;
                        break;
                case 'h':
@@ -581,7 +626,7 @@ int CmdSmartUpgrade(const char *Cmd) {
                return 1;
        }
 
-       char sha512filename[FILE_PATH_SIZE];
+       char sha512filename[FILE_PATH_SIZE] = {'\0'};
        char *bin_extension = filename;
        char *dot_position = NULL;
        while ((dot_position = strchr(bin_extension, '.')) != NULL) {
@@ -592,7 +637,7 @@ int CmdSmartUpgrade(const char *Cmd) {
            || !strcmp(bin_extension, "bin")
 #endif
            ) {
-               strncpy(sha512filename, filename, strlen(filename) - strlen("bin"));
+               memcpy(sha512filename, filename, strlen(filename) - strlen("bin"));
                strcat(sha512filename, "sha512.txt");
        } else {
                PrintAndLogEx(FAILED, "Filename extension of Firmware Upgrade File must be .BIN");
@@ -732,7 +777,8 @@ int CmdSmartUpgrade(const char *Cmd) {
        return 0;
 }
 
-int CmdSmartInfo(const char *Cmd){
+
+static int CmdSmartInfo(const char *Cmd){
        uint8_t cmdp = 0;
        bool errors = false, silent = false;
 
@@ -753,51 +799,48 @@ int CmdSmartInfo(const char *Cmd){
        //Validations
        if (errors ) return usage_sm_info();
 
-       UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-       clearCommandBuffer();
-       SendCommand(&c);
-       UsbCommand resp;
-       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
+       smart_card_atr_t card;
+       if (!smart_getATR(&card)) {
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }
-
-       uint8_t isok = resp.arg[0] & 0xFF;
-       if (!isok) {
-               if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
+       
+       if (!card.atr_len) {
+               if (!silent) PrintAndLogEx(ERR, "can't get ATR from a smart card");
                return 1;
        }
 
-       smart_card_atr_t card;
-       memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
-
        // print header
-       PrintAndLogEx(INFO, "\n--- Smartcard Information ---------");
+       PrintAndLogEx(INFO, "--- Smartcard Information ---------");
        PrintAndLogEx(INFO, "-------------------------------------------------------------");
-       PrintAndLogEx(INFO, "ISO76183 ATR : %s", sprint_hex(card.atr, card.atr_len));
-       PrintAndLogEx(INFO, "look up ATR");
-       PrintAndLogEx(INFO, "http://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
+       PrintAndLogEx(INFO, "ISO7618-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
+       PrintAndLogEx(INFO, "\nhttp://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
 
        // print ATR
        PrintAndLogEx(NORMAL, "");
-       PrintAndLogEx(NORMAL, "* ATR:");
+       PrintAndLogEx(INFO, "ATR");
        PrintATR(card.atr, card.atr_len);
 
        // print D/F (brom byte TA1 or defaults)
        PrintAndLogEx(NORMAL, "");
-       PrintAndLogEx(NORMAL, "* D/F (TA1):");
+       PrintAndLogEx(INFO, "D/F (TA1)");
        int Di = GetATRDi(card.atr, card.atr_len);
        int Fi = GetATRFi(card.atr, card.atr_len);
        float F = GetATRF(card.atr, card.atr_len);
        if (GetATRTA1(card.atr, card.atr_len) == 0x11)
                PrintAndLogEx(INFO, "Using default values...");
 
-       PrintAndLogEx(NORMAL, "Di=%d", Di);
-       PrintAndLogEx(NORMAL, "Fi=%d", Fi);
-       PrintAndLogEx(NORMAL, "F=%.1f MHz", F);
-       PrintAndLogEx(NORMAL, "Cycles/ETU=%d", Fi/Di);
-       PrintAndLogEx(NORMAL, "%.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di));
-       PrintAndLogEx(NORMAL, "%.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F);
+       PrintAndLogEx(NORMAL, "\t- Di=%d", Di);
+       PrintAndLogEx(NORMAL, "\t- Fi=%d", Fi);
+       PrintAndLogEx(NORMAL, "\t- F=%.1f MHz", F);
+  
+       if (Di && Fi) {
+               PrintAndLogEx(NORMAL, "\t- Cycles/ETU=%d", Fi/Di);
+               PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di));
+               PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F);
+       } else {
+               PrintAndLogEx(WARNING, "\t- Di or Fi is RFU.");
+       };
 
        return 0;
 }
@@ -823,28 +866,18 @@ int CmdSmartReader(const char *Cmd){
        //Validations
        if (errors ) return usage_sm_reader();
 
-       UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
-       clearCommandBuffer();
-       SendCommand(&c);
-       UsbCommand resp;
-       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
-               if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
-               return 1;
-       }
-
-       uint8_t isok = resp.arg[0] & 0xFF;
-       if (!isok) {
+       smart_card_atr_t card;
+       if (!smart_getATR(&card)) {
                if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
                return 1;
        }
-       smart_card_atr_t card;
-       memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
 
        PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
        return 0;
 }
 
-int CmdSmartSetClock(const char *Cmd){
+
+static int CmdSmartSetClock(const char *Cmd){
        uint8_t cmdp = 0;
        bool errors = false;
        uint8_t clock = 0;
@@ -899,12 +932,18 @@ int CmdSmartSetClock(const char *Cmd){
        return 0;
 }
 
-int CmdSmartList(const char *Cmd) {
-       CmdHFList("7816");
+
+static int CmdSmartList(const char *Cmd) {
+       if (UseAlternativeSmartcardReader) {
+               CmdHFList("7816 p");
+       } else {
+               CmdHFList("7816");
+       }
        return 0;
 }
 
-int CmdSmartBruteforceSFI(const char *Cmd) {
+
+static int CmdSmartBruteforceSFI(const char *Cmd) {
 
        char ctmp = tolower(param_getchar(Cmd, 0));
        if (ctmp == 'h') return usage_sm_brute();
@@ -916,15 +955,16 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
                return 1;
        }
 
-       PrintAndLogEx(INFO, "Selecting PPSE aid");
-       CmdSmartRaw("d 00a404000e325041592e5359532e444446303100");
-       CmdSmartRaw("d 00a4040007a000000004101000");
+       PrintAndLogEx(INFO, "Selecting PSE aid");
+       CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
+       CmdSmartRaw("0 t d 00a4040007a000000004101000");  // mastercard
+//     CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
 
        PrintAndLogEx(INFO, "starting");
 
-       UsbCommand c = {CMD_SMART_RAW, {SC_RAW, sizeof(data), 0}};
-       uint8_t* buf = malloc(USB_CMD_DATA_SIZE);
-       if ( !buf )
+       int response_len = 0;
+       uint8_t* response = malloc(ISO7816_MAX_FRAME_SIZE);
+       if (!response)
                return 1;
 
        for (uint8_t i=1; i < 4; i++) {
@@ -933,53 +973,47 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
                        data[2] = p1;
                        data[3] = (i << 3) + 4;
 
-                       memcpy(c.d.asBytes, data, sizeof(data) );
-                       clearCommandBuffer();
-                       SendCommand(&c);
+                       smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
-                       smart_response(data[1], buf);
-
-                       // if 0x6C
-                       if ( buf[0] == 0x6C ) {
-                               data[4] = buf[1];
-
-                               memcpy(c.d.asBytes, data, sizeof(data) );
-                               clearCommandBuffer();
-                               SendCommand(&c);
-                               uint8_t len = smart_response(data[1], buf);
+                       if ( response[0] == 0x6C ) {
+                               data[4] = response[1];
+                               smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE); 
 
                                // TLV decoder
-                               if (len > 4)
-                                       TLVPrintFromBuffer(buf+1, len-3);
+                               if (response_len > 4)
+                                       TLVPrintFromBuffer(response+1, response_len-3);
 
                                data[4] = 0;
                        }
-                       memset(buf, 0x00, USB_CMD_DATA_SIZE);
+                       memset(response, 0x00, ISO7816_MAX_FRAME_SIZE);
                }
        }
-       free(buf);
+       free(response);
        return 0;
 }
 
 static command_t CommandTable[] = {
        {"help",     CmdHelp,               1, "This help"},
-       {"list",     CmdSmartList,          0, "List ISO 7816 history"},
-       {"info",     CmdSmartInfo,          0, "Tag information"},
-       {"reader",   CmdSmartReader,        0, "Act like an IS07816 reader"},
-       {"raw",      CmdSmartRaw,           0, "Send raw hex data to tag"},
+       {"select",   CmdSmartSelect,        1, "Select the Smartcard Reader to use"},
+       {"list",     CmdSmartList,          1, "List ISO 7816 history"},
+       {"info",     CmdSmartInfo,          1, "Tag information"},
+       {"reader",   CmdSmartReader,        1, "Act like an IS07816 reader"},
+       {"raw",      CmdSmartRaw,           1, "Send raw hex data to tag"},
        {"upgrade",  CmdSmartUpgrade,       0, "Upgrade firmware"},
-       {"setclock", CmdSmartSetClock,      0, "Set clock speed"},
-       {"brute",    CmdSmartBruteforceSFI, 0, "Bruteforce SFI"},
+       {"setclock", CmdSmartSetClock,      1, "Set clock speed"},
+       {"brute",    CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
        {NULL,       NULL,                  0, NULL}
 };
 
+
 int CmdSmartcard(const char *Cmd) {
        clearCommandBuffer();
        CmdsParse(CommandTable, Cmd);
        return 0;
 }
 
-int CmdHelp(const char *Cmd) {
+
+static int CmdHelp(const char *Cmd) {
        CmdsHelp(CommandTable);
        return 0;
 }
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