Merge branch 'master' of https://github.com/Proxmark/proxmark3

[proxmark3-svn] / client / cmdhf.c

diff --git a/client/cmdhf.c b/client/cmdhf.c
index 33d01aeec4466e1fd6b7a706898e3918559e30ba..7f1246cc36be6e72c691d04857ccf5df6a628c6c 100644 (file)
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -22,6 +22,7 @@
 #include "cmdhflegic.h"
 #include "cmdhficlass.h"
 #include "cmdhfmf.h"
 #include "cmdhflegic.h"
 #include "cmdhficlass.h"
 #include "cmdhfmf.h"

+#include "cmdhfmfu.h"

 
 static int CmdHelp(const char *Cmd);
 
 
 static int CmdHelp(const char *Cmd);
 


@@ -31,8 +32,6 @@ int CmdHFTune(const char *Cmd)
   SendCommand(&c);
   return 0;
 }
   SendCommand(&c);
   return 0;
 }

-// for the time being. Need better Bigbuf handling.
-#define TRACE_SIZE 3000

 
 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
 /*
 
 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
 /*


@@ -137,14 +136,14 @@ NXP/Philips CUSTOM COMMANDS
 #define ICLASS_CMD_READ4            0x06
 
 
 #define ICLASS_CMD_READ4            0x06
 
 

-#define ISO14443_CMD_REQA       0x26
-#define ISO14443_CMD_READBLOCK  0x30
-#define ISO14443_CMD_WUPA       0x52
-#define ISO14443_CMD_ANTICOLL_OR_SELECT     0x93
-#define ISO14443_CMD_ANTICOLL_OR_SELECT_2   0x95
-#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
-#define ISO14443_CMD_HALT       0x50
-#define ISO14443_CMD_RATS       0xE0
+#define ISO14443A_CMD_REQA       0x26
+#define ISO14443A_CMD_READBLOCK  0x30
+#define ISO14443A_CMD_WUPA       0x52
+#define ISO14443A_CMD_ANTICOLL_OR_SELECT     0x93
+#define ISO14443A_CMD_ANTICOLL_OR_SELECT_2   0x95
+#define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
+#define ISO14443A_CMD_HALT       0x50
+#define ISO14443A_CMD_RATS       0xE0

 
 #define MIFARE_AUTH_KEYA           0x60
 #define MIFARE_AUTH_KEYB           0x61
 
 #define MIFARE_AUTH_KEYA           0x60
 #define MIFARE_AUTH_KEYB           0x61


@@ -158,9 +157,28 @@ NXP/Philips CUSTOM COMMANDS
 #define MIFARE_ULC_AUTH_1       0x1A
 #define MIFARE_ULC_AUTH_2        0xAF
 
 #define MIFARE_ULC_AUTH_1       0x1A
 #define MIFARE_ULC_AUTH_2        0xAF
 

+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+

 #define ISO14443B_REQB         0x05
 #define ISO14443B_ATTRIB       0x1D
 #define ISO14443B_HALT         0x50
 #define ISO14443B_REQB         0x05
 #define ISO14443B_ATTRIB       0x1D
 #define ISO14443B_HALT         0x50

+#define ISO14443B_INITIATE     0x06
+#define ISO14443B_SELECT       0x0E
+#define ISO14443B_GET_UID      0x0B
+#define ISO14443B_READ_BLK     0x08
+#define ISO14443B_WRITE_BLK    0x09
+#define ISO14443B_RESET        0x0C
+#define ISO14443B_COMPLETION   0x0F
+#define ISO14443B_AUTHENTICATE 0x0A

 
 //First byte is 26
 #define ISO15693_INVENTORY     0x01
 
 //First byte is 26
 #define ISO15693_INVENTORY     0x01


@@ -180,17 +198,20 @@ NXP/Philips CUSTOM COMMANDS
 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 
 
 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 
 

+#define ISO_14443A 0
+#define ICLASS     1
+#define ISO_14443B 2

 
 
 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 {
        switch(cmd[0])
        {
 
 
 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 {
        switch(cmd[0])
        {

-       case ISO14443_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
-       case ISO14443_CMD_ANTICOLL_OR_SELECT:{
+       case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT:{

                // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
                // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
                // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
                // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)

-               if(cmd[2] == 0x70)
+               if(cmd[1] == 0x70)

                {
                        snprintf(exp,size,"SELECT_UID"); break;
                }else
                {
                        snprintf(exp,size,"SELECT_UID"); break;
                }else


@@ -198,7 +219,7 @@ void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
                        snprintf(exp,size,"ANTICOLL"); break;
                }
        }
                        snprintf(exp,size,"ANTICOLL"); break;
                }
        }

-       case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{

                //95 20 = Anticollision of cascade level2
                //95 70 = Select of cascade level2
                if(cmd[2] == 0x70)
                //95 20 = Anticollision of cascade level2
                //95 70 = Select of cascade level2
                if(cmd[2] == 0x70)


@@ -209,17 +230,17 @@ void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
                        snprintf(exp,size,"ANTICOLL-2"); break;
                }
        }
                        snprintf(exp,size,"ANTICOLL-2"); break;
                }
        }

-       case ISO14443_CMD_REQA:       snprintf(exp,size,"REQA"); break;
-       case ISO14443_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
-       case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
-       case ISO14443_CMD_HALT:       snprintf(exp,size,"HALT"); break;
-       case ISO14443_CMD_RATS:       snprintf(exp,size,"RATS"); break;
+       case ISO14443A_CMD_REQA:       snprintf(exp,size,"REQA"); break;
+       case ISO14443A_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_HALT:       snprintf(exp,size,"HALT"); break;
+       case ISO14443A_CMD_RATS:       snprintf(exp,size,"RATS"); break;

        case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
        case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
        case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
        case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
        case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
        case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
        case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
        case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;

-       case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
-       case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
+       case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
+       case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;

        case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
        default:                      snprintf(exp,size,"?"); break;
        }
        case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
        default:                      snprintf(exp,size,"?"); break;
        }


@@ -281,10 +302,64 @@ void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
                case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
                case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
                case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
                case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
                case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
                case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;

-               default:                     snprintf(exp,size,"?"); break;
+               default:                            snprintf(exp,size,"?"); break;

                }
        }
 }
                }
        }
 }

+
+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0]){
+       case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
+       case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+       case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
+       case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
+       case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
+       case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
+       case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
+       case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
+       case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
+       case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
+       case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
+       default                     : snprintf(exp,size ,"?");break;
+       }
+
+}
+
+/**
+ * @brief iso14443B_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *          1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+
+uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       uint8_t b1,b2;
+
+       if(len <= 2) return 2;
+
+       ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
+       if(b1 != data[len-2] || b2 != data[len-1]) {
+         return 0;
+       }
+       return 1;
+}
+

 /**
  * @brief iclass_CRC_Ok Checks CRC in command or response
  * @param isResponse
 /**
  * @brief iclass_CRC_Ok Checks CRC in command or response
  * @param isResponse


@@ -294,7 +369,7 @@ void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
  *             1 : CRC-command, CRC ok
  *          2 : Not crc-command
  */
  *             1 : CRC-command, CRC ok
  *          2 : Not crc-command
  */

-uint8_t iclass_CRC_Ok(bool isResponse, uint8_t* data, uint8_t len)
+uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)

 {
        if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
 
 {
        if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
 


@@ -346,18 +421,18 @@ uint8_t iclass_CRC_Ok(bool isResponse, uint8_t* data, uint8_t len)
        }
 }
 
        }
 }
 

-uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)

 {
        bool isResponse;
 {
        bool isResponse;

-       uint16_t duration, data_len,parity_len;
+       uint16_t duration, data_len, parity_len;

 
        uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
        char explanation[30] = {0};
 
 
        uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
        char explanation[30] = {0};
 

+       if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+       

        first_timestamp = *((uint32_t *)(trace));
        timestamp = *((uint32_t *)(trace + tracepos));
        first_timestamp = *((uint32_t *)(trace));
        timestamp = *((uint32_t *)(trace + tracepos));

-       // Break and stick with current result if buffer was not completely full
-       if (timestamp == 0x44444444) return TRACE_SIZE;

 
        tracepos += 4;
        duration = *((uint16_t *)(trace + tracepos));
 
        tracepos += 4;
        duration = *((uint16_t *)(trace + tracepos));


@@ -373,18 +448,21 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
        }
        parity_len = (data_len-1)/8 + 1;
 
        }
        parity_len = (data_len-1)/8 + 1;
 

-       if (tracepos + data_len + parity_len >= TRACE_SIZE) {
-               return TRACE_SIZE;
+       if (tracepos + data_len + parity_len > traceLen) {
+               return traceLen;

        }
        }

-

        uint8_t *frame = trace + tracepos;
        tracepos += data_len;
        uint8_t *parityBytes = trace + tracepos;
        tracepos += parity_len;
 
        uint8_t *frame = trace + tracepos;
        tracepos += data_len;
        uint8_t *parityBytes = trace + tracepos;
        tracepos += parity_len;
 

+

        //--- Draw the data column
        //--- Draw the data column

+       //char line[16][110];

        char line[16][110];
        char line[16][110];

-       for (int j = 0; j < data_len; j++) {
+
+       for (int j = 0; j < data_len && j/16 < 16; j++) {
+

                int oddparity = 0x01;
                int k;
 
                int oddparity = 0x01;
                int k;
 


@@ -393,11 +471,17 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
                }
 
                uint8_t parityBits = parityBytes[j>>3];
                }
 
                uint8_t parityBits = parityBytes[j>>3];

-

                if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
                if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {

-                       sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
+

                } else {
                } else {

-                       sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x  ", frame[j]);
+               }
+       }
+       if(data_len == 0)
+       {
+               if(data_len == 0){
+                       sprintf(line[0],"<empty trace - possible error>");

                }
        }
        //--- Draw the CRC column
                }
        }
        //--- Draw the CRC column


@@ -405,12 +489,15 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
 
        if (data_len > 2) {
                uint8_t b1, b2;
 
        if (data_len > 2) {
                uint8_t b1, b2;

-               if(iclass)
+               if(protocol == ICLASS)

                {
                {

-                       //The following commands have crc
-                       crcStatus = iclass_CRC_Ok(isResponse, frame, data_len);
+                       crcStatus = iclass_CRC_check(isResponse, frame, data_len);

 
 

-               }else{//Iso 14443a
+               }else if (protocol == ISO_14443B)
+               {
+                       crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
+               }
+               else if (protocol == ISO_14443A){//Iso 14443a

 
                        ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 
 
                        ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 


@@ -431,14 +518,16 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
 
        if(!isResponse)
        {
 
        if(!isResponse)
        {

-               if(iclass)
+               if(protocol == ICLASS)

                        annotateIclass(explanation,sizeof(explanation),frame,data_len);
                        annotateIclass(explanation,sizeof(explanation),frame,data_len);

-               else 
+               else if (protocol == ISO_14443A)

                        annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
                        annotateIso14443a(explanation,sizeof(explanation),frame,data_len);

+               else if(protocol == ISO_14443B)
+                       annotateIso14443b(explanation,sizeof(explanation),frame,data_len);

        }
 
        }
 

-       int num_lines = (data_len - 1)/16 + 1;
-       for (int j = 0; j < num_lines; j++) {
+       int num_lines = MIN((data_len - 1)/16 + 1, 16);
+       for (int j = 0; j < num_lines ; j++) {

                if (j == 0) {
                        PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
                                (timestamp - first_timestamp),
                if (j == 0) {
                        PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
                                (timestamp - first_timestamp),


@@ -455,6 +544,8 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
                }
        }
 
                }
        }
 

+       if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+       

        bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 
        if (showWaitCycles && !isResponse && next_isResponse) {
        bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 
        if (showWaitCycles && !isResponse && next_isResponse) {


@@ -467,9 +558,11 @@ uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool sho
                                (next_timestamp - EndOfTransmissionTimestamp));
                }
        }
                                (next_timestamp - EndOfTransmissionTimestamp));
                }
        }

+

        return tracepos;
 }
 
        return tracepos;
 }
 

+

 int CmdHFList(const char *Cmd)
 {
        bool showWaitCycles = false;
 int CmdHFList(const char *Cmd)
 {
        bool showWaitCycles = false;


@@ -477,9 +570,9 @@ int CmdHFList(const char *Cmd)
        int tlen = param_getstr(Cmd,0,type);
        char param = param_getchar(Cmd, 1);
        bool errors = false;
        int tlen = param_getstr(Cmd,0,type);
        char param = param_getchar(Cmd, 1);
        bool errors = false;

-       bool iclass = false;
+       uint8_t protocol = 0;

        //Validate params
        //Validate params

-       if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
+       if(tlen == 0)

        {
                errors = true;
        }
        {
                errors = true;
        }


@@ -487,34 +580,69 @@ int CmdHFList(const char *Cmd)
        {
                errors = true;
        }
        {
                errors = true;
        }

+       if(!errors)
+       {
+               if(strcmp(type, "iclass") == 0)
+               {
+                       protocol = ICLASS;
+               }else if(strcmp(type, "14a") == 0)
+               {
+                       protocol = ISO_14443A;
+               }
+               else if(strcmp(type, "14b") == 0)
+               {
+                       protocol = ISO_14443B;
+               }else if(strcmp(type,"raw")== 0)
+               {
+                       protocol = -1;//No crc, no annotations
+               }else{
+                       errors = true;
+               }
+       }

 
        if (errors) {
                PrintAndLog("List protocol data in trace buffer.");
 
        if (errors) {
                PrintAndLog("List protocol data in trace buffer.");

-               PrintAndLog("Usage:  hf list [14a|iclass] [f]");
+               PrintAndLog("Usage:  hf list <protocol> [f]");
+               PrintAndLog("    f      - show frame delay times as well");
+               PrintAndLog("Supported <protocol> values:");
+               PrintAndLog("    raw    - just show raw data without annotations");

                PrintAndLog("    14a    - interpret data as iso14443a communications");
                PrintAndLog("    14a    - interpret data as iso14443a communications");

+               PrintAndLog("    14b    - interpret data as iso14443b communications");

                PrintAndLog("    iclass - interpret data as iclass communications");
                PrintAndLog("    iclass - interpret data as iclass communications");

-               PrintAndLog("    f      - show frame delay times as well");

                PrintAndLog("");
                PrintAndLog("example: hf list 14a f");
                PrintAndLog("example: hf list iclass");
                return 0;
        }
                PrintAndLog("");
                PrintAndLog("example: hf list 14a f");
                PrintAndLog("example: hf list iclass");
                return 0;
        }

-       if(strcmp(type, "iclass") == 0)
-       {
-               iclass = true;
-       }
+

 
        if (param == 'f') {
                showWaitCycles = true;
        }
 
 
 
        if (param == 'f') {
                showWaitCycles = true;
        }
 
 

-       uint8_t trace[TRACE_SIZE];
+       uint8_t *trace;

        uint16_t tracepos = 0;
        uint16_t tracepos = 0;

-       GetFromBigBuf(trace, TRACE_SIZE, 0);
-       WaitForResponse(CMD_ACK, NULL);
-
-       PrintAndLog("Recorded Activity");
+       trace = malloc(USB_CMD_DATA_SIZE);
+
+       // Query for the size of the trace
+       UsbCommand response;
+       GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
+       WaitForResponse(CMD_ACK, &response);
+       uint16_t traceLen = response.arg[2];
+       if (traceLen > USB_CMD_DATA_SIZE) {
+               uint8_t *p = realloc(trace, traceLen);
+               if (p == NULL) {
+                       PrintAndLog("Cannot allocate memory for trace");
+                       free(trace);
+                       return 2;
+               }
+               trace = p;
+               GetFromBigBuf(trace, traceLen, 0);
+               WaitForResponse(CMD_ACK, NULL);
+       }
+       
+       PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);

        PrintAndLog("");
        PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
        PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
        PrintAndLog("");
        PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
        PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");


@@ -523,10 +651,12 @@ int CmdHFList(const char *Cmd)
        PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
        PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 
        PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
        PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 

-       while(tracepos < TRACE_SIZE)
+       while(tracepos < traceLen)

        {
        {

-               tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
+               tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);

        }
        }

+
+       free(trace);

        return 0;
 }
 
        return 0;
 }
 


@@ -541,6 +671,7 @@ static command_t CommandTable[] =
   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
   {"mf",               CmdHFMF,                1, "{ MIFARE RFIDs... }"},
   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
   {"mf",               CmdHFMF,                1, "{ MIFARE RFIDs... }"},

+  {"mfu",                      CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},

   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
        {NULL, NULL, 0, NULL}
   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
        {NULL, NULL, 0, NULL}