FIX: the check for formatlen was wrong.

[proxmark3-svn] / client / cmdhf.c

diff --git a/client/cmdhf.c b/client/cmdhf.c
index 176d99cc8928982f438061b51a24122904355758..0cbca7514f59afd0175f36286c382ea1dda7743b 100644 (file)
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -9,7 +9,8 @@
 //-----------------------------------------------------------------------------
 
 #include <stdio.h>
 //-----------------------------------------------------------------------------
 
 #include <stdio.h>

-#include "proxusb.h"
+#include <string.h>
+#include "proxmark3.h"

 #include "graph.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "graph.h"
 #include "ui.h"
 #include "cmdparser.h"


@@ -17,36 +18,882 @@
 #include "cmdhf14a.h"
 #include "cmdhf14b.h"
 #include "cmdhf15.h"
 #include "cmdhf14a.h"
 #include "cmdhf14b.h"
 #include "cmdhf15.h"

+#include "cmdhfepa.h"

 #include "cmdhflegic.h"
 #include "cmdhflegic.h"

+#include "cmdhficlass.h"
+#include "cmdhfmf.h"
+#include "cmdhfmfu.h"
+#include "cmdhfmfdes.h"
+#include "cmdhftopaz.h"
+#include "protocols.h"

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

-int CmdHFTune(const char *Cmd)
+int CmdHFTune(const char *Cmd) {
+       PrintAndLog("Measuring HF antenna, press button to exit");
+       UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING_HF};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}
+
+
+int applyIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)

 {
 {

-  UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
-  SendCommand(&c);
-  return 0;
+       switch(cmd[0])
+       {
+       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)
+               if(cmd[1] == 0x70)
+                       snprintf(exp,size,"SELECT_UID");
+               else
+                       snprintf(exp,size,"ANTICOLL");
+               break;
+       }
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
+               //95 20 = Anticollision of cascade level2
+               //95 70 = Select of cascade level2
+               if(cmd[2] == 0x70)
+                       snprintf(exp,size,"SELECT_UID-2");
+               else
+                       snprintf(exp,size,"ANTICOLL-2");
+               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_AUTH_KEYA:{
+               if ( cmdsize > 3)
+                       snprintf(exp,size,"AUTH-A(%d)",cmd[1]); 
+               else
+                       //      case MIFARE_ULEV1_VERSION :  both 0x60.
+                       snprintf(exp,size,"EV1 VERSION");
+               break;
+       }
+       case MIFARE_AUTH_KEYB:                  snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
+       case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
+       case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
+       case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
+       case MIFARE_ULC_AUTH_1 :                snprintf(exp,size,"AUTH "); break;
+       case MIFARE_ULC_AUTH_2 :                snprintf(exp,size,"AUTH_ANSW"); break;
+       case MIFARE_ULEV1_AUTH :        
+               if ( cmdsize == 7 )
+                       snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
+               else
+                       snprintf(exp,size,"PWD-AUTH");
+               break;
+       case MIFARE_ULEV1_FASTREAD : {
+               if ( cmdsize >=3 && cmd[2] <= 0xE6)
+                       snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULC_WRITE : {
+               if ( cmd[1] < 0x21 )
+                       snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READ_CNT :{
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"READ CNT(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_INCR_CNT : {
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"INCR(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READSIG :             snprintf(exp,size,"READ_SIG"); break;
+       case MIFARE_ULEV1_CHECKTEAR :   snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
+       case MIFARE_ULEV1_VCSL :                snprintf(exp,size,"VCSL"); break;
+       default:                                                return 0;
+       }
+       return 1;

 }
 
 }
 

-static command_t CommandTable[] = 
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+       applyIso14443a(exp, size, cmd, cmdsize);
+}
+
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)

 {
 {

-  {"help",        CmdHelp,          1, "This help"},
-  {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
-  {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
-  {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
-  {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
-  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
-  {NULL, NULL, 0, NULL}
-};
+       switch(cmd[0])
+       {
+       case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
+       case ICLASS_CMD_READ_OR_IDENTIFY:{
+               if(cmdsize > 1){
+                       snprintf(exp,size,"READ(%d)",cmd[1]);
+               }else{
+                       snprintf(exp,size,"IDENTIFY");
+               }
+               break;
+       }
+       case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
+       case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+       case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
+       case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
+       case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
+       case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+       case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
+       case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+       default:                     snprintf(exp,size,"?"); break;
+       }
+       return;
+}
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+
+       if(cmd[0] == 0x26)
+       {
+               switch(cmd[1]){
+               case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
+               case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
+               default:                     snprintf(exp,size,"?"); break;
+
+               }
+       }else if(cmd[0] == 0x02)
+       {
+               switch(cmd[1])
+               {
+               case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
+               case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
+               case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
+               case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+               case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
+               case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
+               case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
+               case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
+               case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");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;
+               }
+       }
+}
+
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0]) {
+               case TOPAZ_REQA                                         :snprintf(exp, size, "REQA");break;
+               case TOPAZ_WUPA                                         :snprintf(exp, size, "WUPA");break;
+               case TOPAZ_RID                                          :snprintf(exp, size, "RID");break;
+               case TOPAZ_RALL                                         :snprintf(exp, size, "RALL");break;
+               case TOPAZ_READ                                         :snprintf(exp, size, "READ");break;
+               case TOPAZ_WRITE_E                                      :snprintf(exp, size, "WRITE-E");break;
+               case TOPAZ_WRITE_NE                                     :snprintf(exp, size, "WRITE-NE");break;
+               case TOPAZ_RSEG                                         :snprintf(exp, size, "RSEG");break;
+               case TOPAZ_READ8                                        :snprintf(exp, size, "READ8");break;
+               case TOPAZ_WRITE_E8                                     :snprintf(exp, size, "WRITE-E8");break;
+               case TOPAZ_WRITE_NE8                            :snprintf(exp, size, "WRITE-NE8");break;
+               default                                                         :snprintf(exp,size,"?"); break;
+       }
+}
+
+// iso 7816-3 
+void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+       // S-block
+       if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {              
+               switch ( (cmd[0] & 0x3f)  ) {
+                       case 0x00       : snprintf(exp, size, "S-block RESYNCH req"); break;
+                       case 0x20       : snprintf(exp, size, "S-block RESYNCH resp"); break;
+                       case 0x01       : snprintf(exp, size, "S-block IFS req"); break;
+                       case 0x21       : snprintf(exp, size, "S-block IFS resp"); break;
+                       case 0x02       : snprintf(exp, size, "S-block ABORT req"); break;
+                       case 0x22       : snprintf(exp, size, "S-block ABORT resp"); break;
+                       case 0x03       : snprintf(exp, size, "S-block WTX reqt"); break;
+                       case 0x23       : snprintf(exp, size, "S-block WTX resp"); break;
+                       default         : snprintf(exp, size, "S-block"); break;
+               }               
+       }
+       // R-block (ack)
+       else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) {
+               if ( (cmd[0] & 0x10) == 0 ) 
+                       snprintf(exp, size, "R-block ACK");
+               else
+                       snprintf(exp, size, "R-block NACK");
+       }
+       // I-block
+       else {
+
+               int pos = (cmd[0] == 2 ||  cmd[0] == 3) ? 2 : 3;
+               switch ( cmd[pos] ){
+                       case ISO7816_READ_BINARY                                :snprintf(exp, size, "READ BIN");break;
+                       case ISO7816_WRITE_BINARY                               :snprintf(exp, size, "WRITE BIN");break;
+                       case ISO7816_UPDATE_BINARY                              :snprintf(exp, size, "UPDATE BIN");break;
+                       case ISO7816_ERASE_BINARY                               :snprintf(exp, size, "ERASE BIN");break;
+                       case ISO7816_READ_RECORDS                               :snprintf(exp, size, "READ RECORDS");break;
+                       case ISO7816_WRITE_RECORDS                              :snprintf(exp, size, "WRITE RECORDS");break;
+                       case ISO7816_APPEND_RECORD                              :snprintf(exp, size, "APPEND RECORD");break;
+                       case ISO7816_UPDATE_RECORD                              :snprintf(exp, size, "UPDATE RECORD");break;
+                       case ISO7816_GET_DATA                                   :snprintf(exp, size, "GET DATA");break;
+                       case ISO7816_PUT_DATA                                   :snprintf(exp, size, "PUT DATA");break;
+                       case ISO7816_SELECT_FILE                                :snprintf(exp, size, "SELECT FILE");break;
+                       case ISO7816_VERIFY                                             :snprintf(exp, size, "VERIFY");break;
+                       case ISO7816_INTERNAL_AUTHENTICATION    :snprintf(exp, size, "INTERNAL AUTH");break;
+                       case ISO7816_EXTERNAL_AUTHENTICATION    :snprintf(exp, size, "EXTERNAL AUTH");break;
+                       case ISO7816_GET_CHALLENGE                              :snprintf(exp, size, "GET CHALLENGE");break;
+                       case ISO7816_MANAGE_CHANNEL                             :snprintf(exp, size, "MANAGE CHANNEL");break;
+                       default                                                                 :snprintf(exp,size,"?"); break;
+               }
+       }
+}
+
+// MIFARE DESFire
+void annotateMfDesfire(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+       
+       // it's basically a ISO14443a tag, so try annotation from there
+       if (!applyIso14443a(exp, size, cmd, cmdsize)){
+               //PrintAndLog("rest");
+               //PrintAndLog("(%d)",cmd[0]);
+               // S-block 11xxx010
+               if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {              
+                       switch ( (cmd[0] & 0x30)  ) {
+                               case 0x30       : snprintf(exp, size, "S-block DESELECT"); break;
+                               case 0x00       : snprintf(exp, size, "S-block WTX"); break;
+                               default         : snprintf(exp, size, "S-block"); break;
+                       }               
+               }
+               // R-block (ack) 101xx01x
+               else if ( ((cmd[0] & 0xB0) == 0xA0) && ( cmdsize > 2) ) {
+                       if ( (cmd[0] & 0x10) == 0 ) 
+                               snprintf(exp, size, "R-block ACK(%d)", (cmd[0] & 0x01));
+                       else
+                               snprintf(exp, size, "R-block NACK(%d)", (cmd[0] & 0x01));
+               }
+               // I-block 000xCN1x
+               else if ( (cmd[0] & 0xC0) == 0x00){
+                       // PCB [CID] [NAD] [INF] CRC CRC
+                       int pos = 1;
+                       if ( (cmd[0] & 0x08) == 0x08) // cid byte following
+                               pos = pos + 1;
+                       if ( (cmd[0] & 0x04) == 0x04) // nad byte following
+                               pos = pos + 1;
+                       //PrintAndLog("[%d]",pos);
+                       switch ( cmd[pos] ){
+                               case MFDES_CREATE_APPLICATION                   :snprintf(exp, size, "CREATE APPLICATION");break;
+                               case MFDES_DELETE_APPLICATION                   :snprintf(exp, size, "DELETE APPLICATION");break;
+                               case MFDES_GET_APPLICATION_IDS                  :snprintf(exp, size, "GET APPLICATION IDS");break;
+                               case MFDES_SELECT_APPLICATION                   :snprintf(exp, size, "SELECT APPLICATION");break;
+                               case MFDES_FORMAT_PICC                                  :snprintf(exp, size, "FORMAT PICC");break;
+                               case MFDES_GET_VERSION                                  :snprintf(exp, size, "GET VERSION");break;
+                               case MFDES_READ_DATA                                    :snprintf(exp, size, "READ DATA");break;
+                               case MFDES_WRITE_DATA                                   :snprintf(exp, size, "WRITE DATA");break;
+                               case MFDES_GET_VALUE                                    :snprintf(exp, size, "GET VALUE");break;
+                               case MFDES_CREDIT                                               :snprintf(exp, size, "CREDIT");break;
+                               case MFDES_DEBIT                                                :snprintf(exp, size, "DEBIT");break;
+                               case MFDES_LIMITED_CREDIT                               :snprintf(exp, size, "LIMITED CREDIT");break;
+                               case MFDES_WRITE_RECORD                                 :snprintf(exp, size, "WRITE RECORD");break;
+                               case MFDES_READ_RECORDS                                 :snprintf(exp, size, "READ RECORDS");break;
+                               case MFDES_CLEAR_RECORD_FILE                    :snprintf(exp, size, "CLEAR RECORD FILE");break;
+                               case MFDES_COMMIT_TRANSACTION                   :snprintf(exp, size, "COMMIT TRANSACTION");break;
+                               case MFDES_ABORT_TRANSACTION                    :snprintf(exp, size, "ABORT TRANSACTION");break;
+                               case MFDES_GET_FREE_MEMORY                              :snprintf(exp, size, "GET FREE MEMORY");break;
+                               case MFDES_GET_FILE_IDS                                 :snprintf(exp, size, "GET FILE IDS");break;
+                               case MFDES_GET_ISOFILE_IDS                              :snprintf(exp, size, "GET ISOFILE IDS");break;
+                               case MFDES_GET_FILE_SETTINGS                    :snprintf(exp, size, "GET FILE SETTINGS");break;
+                               case MFDES_CHANGE_FILE_SETTINGS                 :snprintf(exp, size, "CHANGE FILE SETTINGS");break;
+                               case MFDES_CREATE_STD_DATA_FILE                 :snprintf(exp, size, "CREATE STD DATA FILE");break;
+                               case MFDES_CREATE_BACKUP_DATA_FILE              :snprintf(exp, size, "CREATE BACKUP DATA FILE");break;
+                               case MFDES_CREATE_VALUE_FILE                    :snprintf(exp, size, "CREATE VALUE FILE");break;
+                               case MFDES_CREATE_LINEAR_RECORD_FILE    :snprintf(exp, size, "CREATE LINEAR RECORD FILE");break;
+                               case MFDES_CREATE_CYCLIC_RECORD_FILE    :snprintf(exp, size, "CREATE CYCLIC RECORD FILE");break;
+                               case MFDES_DELETE_FILE                                  :snprintf(exp, size, "DELETE FILE");break;
+                               case MFDES_AUTHENTICATE                                 :snprintf(exp, size, "AUTH NATIVE (keyNo %d)", cmd[pos+1]);break;  // AUTHENTICATE_NATIVE
+                               case MFDES_AUTHENTICATE_ISO                             :snprintf(exp, size, "AUTH ISO (keyNo %d)", cmd[pos+1]);break;  // AUTHENTICATE_STANDARD
+                               case MFDES_AUTHENTICATE_AES                             :snprintf(exp, size, "AUTH AES (keyNo %d)", cmd[pos+1]);break;
+                               case MFDES_CHANGE_KEY_SETTINGS                  :snprintf(exp, size, "CHANGE KEY SETTINGS");break;
+                               case MFDES_GET_KEY_SETTINGS                             :snprintf(exp, size, "GET KEY SETTINGS");break;
+                               case MFDES_CHANGE_KEY                                   :snprintf(exp, size, "CHANGE KEY");break;
+                               case MFDES_GET_KEY_VERSION                              :snprintf(exp, size, "GET KEY VERSION");break;
+                               case MFDES_AUTHENTICATION_FRAME                 :snprintf(exp, size, "AUTH FRAME / NEXT FRAME");break;
+                               default                                                                 :break;
+                       }
+               }else{
+                       // anything else
+                       snprintf(exp,size,"?");
+               }
+       }
+}
+
+/**
+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             : {
+                       
+                       switch ( cmd[2] & 0x07 ) {
+                               case 0: snprintf(exp, size,"1 slot ");break;
+                               case 1: snprintf(exp, size,"2 slots ");break; 
+                               case 2: snprintf(exp, size,"4 slots ");break;
+                               case 3: snprintf(exp, size,"8 slots ");break;
+                               default: snprintf(exp, size,"16 slots ");break;
+                       }                       
+                       if ( (cmd[2] & 0x8) )
+                               snprintf(exp, size,"WUPB");
+                       else
+                               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;
+               case ISO14443B_PING                     : snprintf(exp,size,"PING");break;
+               case ISO14443B_PONG                     : snprintf(exp,size,"PONG");break;
+               default                     : snprintf(exp,size ,"?");break;
+       }
+}
+
+/**
+ * @brief iso14443A_CRC_check 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 iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       uint8_t b1,b2;
+
+       if(len <= 2) return 2;
+
+       if(isResponse & (len < 6)) return 2;
+       
+       ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
+       if (b1 != data[len-2] || b2 != data[len-1]) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+
+/**
+ * @brief iso14443B_CRC_check 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
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *             1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+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
+
+       uint8_t b1, b2;
+
+       if(!isResponse)//Commands to tag
+       {
+               /**
+                 These commands should have CRC. Total length leftmost
+                 4     READ
+                 4 READ4
+                 12 UPDATE - unsecured, ends with CRC16
+                 14 UPDATE - secured, ends with signature instead
+                 4 PAGESEL
+                 **/
+               if(len == 4 || len == 12)//Covers three of them
+               {
+                       //Don't include the command byte
+                       ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
+                       return b1 == data[len -2] && b2 == data[len-1];
+               }
+               return 2;
+       }else{
+               /**
+               These tag responses should have CRC. Total length leftmost
+
+               10  READ                data[8] crc[2]
+               34  READ4               data[32]crc[2]
+               10  UPDATE      data[8] crc[2]
+               10 SELECT       csn[8] crc[2]
+               10  IDENTIFY  asnb[8] crc[2]
+               10  PAGESEL   block1[8] crc[2]
+               10  DETECT    csn[8] crc[2]
+
+               These should not
+
+               4  CHECK                chip_response[4]
+               8  READCHECK data[8]
+               1  ACTALL    sof[1]
+               1  ACT       sof[1]
+
+               In conclusion, without looking at the command; any response
+               of length 10 or 34 should have CRC
+                 **/
+               if(len != 10 && len != 34) return true;
+
+               ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
+               return b1 == data[len -2] && b2 == data[len-1];
+       }
+}
+
+
+bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
+{
+       return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
+}
+
+
+bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
+{
+       uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
+       
+       return(next_records_datalen & 0x8000);
+}
+

 
 

-int CmdHF(const char *Cmd)
+bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len)

 {
 {

-  CmdsParse(CommandTable, Cmd);
-  return 0; 
+
+#define MAX_TOPAZ_READER_CMD_LEN       16
+
+       uint32_t last_timestamp = timestamp + *duration;
+
+       if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
+
+       memcpy(topaz_reader_command, frame, *data_len);
+
+       while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
+               uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
+               *tracepos += sizeof(uint32_t);
+               uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
+               *tracepos += sizeof(uint16_t);
+               uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
+               *tracepos += sizeof(uint16_t);
+               uint8_t *next_frame = (trace + *tracepos);
+               *tracepos += next_data_len;
+               if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
+                       memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
+                       *data_len += next_data_len;
+                       last_timestamp = next_timestamp + next_duration;
+               } else {
+                       // rewind and exit
+                       *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
+                       break;
+               }
+               uint16_t next_parity_len = (next_data_len-1)/8 + 1;
+               *tracepos += next_parity_len;
+       }
+
+       *duration = last_timestamp - timestamp;
+       
+       return true;
+}
+
+
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
+{
+       bool isResponse;
+       uint16_t data_len, parity_len;
+       uint32_t duration;
+       uint8_t topaz_reader_command[9];
+       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));
+
+       tracepos += 4;
+       duration = *((uint16_t *)(trace + tracepos));
+       tracepos += 2;
+       data_len = *((uint16_t *)(trace + tracepos));
+       tracepos += 2;
+
+       if (data_len & 0x8000) {
+         data_len &= 0x7fff;
+         isResponse = true;
+       } else {
+         isResponse = false;
+       }
+       parity_len = (data_len-1)/8 + 1;
+
+       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;
+
+       if (protocol == TOPAZ && !isResponse) {
+               // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
+               // merge them:
+               if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
+                       frame = topaz_reader_command;
+               }
+       }
+       
+       //Check the CRC status
+       uint8_t crcStatus = 2;
+
+       if (data_len > 2) {
+               switch (protocol) {
+                       case ICLASS:
+                               crcStatus = iclass_CRC_check(isResponse, frame, data_len);
+                               break;
+                       case ISO_14443B:
+                       case TOPAZ:
+                               crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
+                               break;
+                       case ISO_14443A:
+                       case MFDES:
+                               crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
+                               break;                          
+                       default: 
+                               break;
+               }
+       }
+       //0 CRC-command, CRC not ok
+       //1 CRC-command, CRC ok
+       //2 Not crc-command
+
+       //--- Draw the data column
+       char line[16][110];
+
+       for (int j = 0; j < data_len && j/16 < 16; j++) {
+
+               int oddparity = 0x01;
+               int k;
+
+               for (k=0 ; k<8 ; k++) {
+                       oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
+               }
+               uint8_t parityBits = parityBytes[j>>3];
+               if (protocol != ISO_14443B && protocol != ISO_7816_4 &&  (isResponse || protocol == ISO_14443A)  && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
+
+               } else {
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x  ", frame[j]);
+               }
+
+       }
+
+       if (markCRCBytes) {
+               //CRC-command
+               if(crcStatus == 0 || crcStatus == 1) {
+                       char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
+                       (*pos1) = '[';
+                       char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
+                       sprintf(pos2, "%c", ']');
+               }
+       }
+
+       if(data_len == 0 )
+               sprintf(line[0],"<empty trace - possible error>");
+
+
+       //--- Draw the CRC column
+       char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
+
+       EndOfTransmissionTimestamp = timestamp + duration;
+
+       if(!isResponse)
+       {
+               switch(protocol) {
+                       case ICLASS:            annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
+                       case ISO_14443A:        annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
+                       case MFDES:                     annotateMfDesfire(explanation,sizeof(explanation),frame,data_len); break;
+                       case ISO_14443B:        annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
+                       case TOPAZ:                     annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
+                       case ISO_7816_4:        annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
+                       default:                        break;
+               }
+       }
+
+       int num_lines = MIN((data_len - 1)/16 + 1, 16);
+       for (int j = 0; j < num_lines ; j++) {
+               if (j == 0) {
+                       PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
+                               (timestamp - first_timestamp),
+                               (EndOfTransmissionTimestamp - first_timestamp),
+                               (isResponse ? "Tag" : "Rdr"),
+                               line[j],
+                               (j == num_lines-1) ? crc : "    ",
+                               (j == num_lines-1) ? explanation : "");
+               } else {
+                       PrintAndLog("            |            |     |%-64s | %s| %s",
+                               line[j],
+                               (j == num_lines-1) ? crc : "    ",
+                               (j == num_lines-1) ? explanation : "");
+               }
+       }
+
+       if (is_last_record(tracepos, trace, traceLen)) return traceLen;
+       
+       if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
+               uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
+                       PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d",
+                               (EndOfTransmissionTimestamp - first_timestamp),
+                               (next_timestamp - first_timestamp),
+                               "   ",
+                               (next_timestamp - EndOfTransmissionTimestamp));
+               }
+
+       return tracepos;
+}
+
+int usage_hf_list(){
+       PrintAndLog("List protocol data in trace buffer.");
+       PrintAndLog("Usage:  hf list <protocol> [f][c]");
+       PrintAndLog("    f      - show frame delay times as well");
+       PrintAndLog("    c      - mark CRC bytes");
+       PrintAndLog("Supported <protocol> values:");
+       PrintAndLog("    raw    - just show raw data without annotations");
+       PrintAndLog("    14a    - interpret data as iso14443a communications");
+       PrintAndLog("    14b    - interpret data as iso14443b communications");
+               PrintAndLog("    des    - interpret data as DESFire communications");
+       PrintAndLog("    iclass - interpret data as iclass communications");
+       PrintAndLog("    topaz  - interpret data as topaz communications");
+       PrintAndLog("    7816   - interpret data as iso7816-4 communications");
+       PrintAndLog("");
+       PrintAndLog("example:   hf list 14a f");
+       PrintAndLog("                   hf list iclass");
+       return 0;
+}
+int usage_hf_search(){
+       PrintAndLog("Usage: hf search");
+       PrintAndLog("Will try to find a HF read out of the unknown tag. Stops when found.");
+       PrintAndLog("Options:");
+       PrintAndLog("       h   - This help");
+       PrintAndLog("");
+       return 0;
+}
+int usage_hf_snoop(){
+       PrintAndLog("Usage: hf snoop <skip pairs> <skip triggers>");
+       PrintAndLog("The high frequence snoop will assign all available memory on device for snooped data");
+       PrintAndLog("User the 'data samples' command to download from device,  and 'data plot' to look at it");
+       PrintAndLog("Press button to quit the snooping.");
+       PrintAndLog("Options:");
+       PrintAndLog("       h                           - This help");
+       PrintAndLog("       <skip pairs>        - skip sample pairs");
+       PrintAndLog("       <skip triggers>     - skip number of triggers");
+       PrintAndLog("");
+       PrintAndLog("example:   hf snoop");
+       PrintAndLog("           hf snoop 1000 0");
+       return 0;
+}
+
+int CmdHFList(const char *Cmd)
+{
+       clearCommandBuffer();
+               
+       bool showWaitCycles = false;
+       bool markCRCBytes = false;
+       char type[10] = {0};
+       //int tlen = param_getstr(Cmd,0,type);
+       char param1 = param_getchar(Cmd, 1);
+       char param2 = param_getchar(Cmd, 2);
+       bool errors = false;
+       uint8_t protocol = 0;
+
+       //Validate params H or empty
+       if (strlen(Cmd) < 1 || param1 == 'h' || param1 == 'H') return usage_hf_list();
+       
+       //Validate params  F,C
+       if(
+               (param1 != 0 && param1 != 'f' && param1 != 'c') || 
+               (param2 != 0 && param2 != 'f' && param2 != 'c')
+               ) {
+               return usage_hf_list();
+       }
+
+       param_getstr(Cmd,0,type);
+       
+       // validate type of output
+       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, "topaz")== 0)      protocol = TOPAZ;
+       else if(strcmp(type, "7816")== 0)       protocol = ISO_7816_4;  
+       else if(strcmp(type,"des")== 0)         protocol = MFDES;                       
+       else if(strcmp(type, "raw")== 0)        protocol = -1;//No crc, no annotations
+       else errors = true;
+
+       if (errors) return usage_hf_list();
+
+       if (param1 == 'f' || param2 == 'f') showWaitCycles = true;
+       if (param1 == 'c' || param2 == 'c') markCRCBytes = true;
+
+       uint8_t *trace;
+       uint16_t tracepos = 0;
+       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("iClass    - Timings are not as accurate");
+       PrintAndLog("");
+    PrintAndLog("      Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
+       PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
+
+       while(tracepos < traceLen)
+       {
+               tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
+       }
+
+       free(trace);
+       return 0;
+}
+
+int CmdHFSearch(const char *Cmd){
+
+       char cmdp = param_getchar(Cmd, 0);      
+       if (cmdp == 'h' || cmdp == 'H') return usage_hf_search();
+       
+       PrintAndLog("");
+       int ans = CmdHF14AReader("s");
+
+       if (ans > 0) {
+               PrintAndLog("\nValid ISO14443-A Tag Found - Quiting Search\n");
+               return ans;
+       } 
+       ans = CmdHF14BReader("s");
+       if (ans) {
+               PrintAndLog("\nValid ISO14443-B Tag Found - Quiting Search\n");
+               return ans;
+       }
+       ans = HFiClassReader("", false, false);
+       if (ans) {
+               PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
+               return ans;
+       }
+       ans = HF15Reader("", false);
+       if (ans) {
+               PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
+               return ans;
+       }
+       ans = CmdHFTopazReader("s");
+       if (ans == 0) {
+               PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n");
+               return 1;
+       }
+       PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
+       return 0;

 }
 
 }
 

-int CmdHelp(const char *Cmd)
+int CmdHFSnoop(const char *Cmd)

 {
 {

-  CmdsHelp(CommandTable);
-  return 0;
+       char cmdp = param_getchar(Cmd, 0);      
+       if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop();
+       
+       int skippairs =  param_get32ex(Cmd, 0, 0, 10);
+       int skiptriggers =  param_get32ex(Cmd, 1, 0, 10);
+       
+       UsbCommand c = {CMD_HF_SNIFFER, {skippairs, skiptriggers, 0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}
+
+static command_t CommandTable[] = {
+       {"help",        CmdHelp,          1, "This help"},
+       {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
+       {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
+       {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
+       {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
+       {"legic",       CmdHFLegic,       1, "{ LEGIC RFIDs... }"},
+       {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
+       {"mf",          CmdHFMF,                  1, "{ MIFARE RFIDs... }"},
+       {"mfu",         CmdHFMFUltra,     1, "{ MIFARE Ultralight RFIDs... }"},
+       {"mfdes",               CmdHFMFDes,               1, "{ MIFARE Desfire RFIDs... }"},
+       {"topaz",               CmdHFTopaz,               1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
+       {"tune",                CmdHFTune,            0, "Continuously measure HF antenna tuning"},
+       {"list",        CmdHFList,        1, "List protocol data in trace buffer"},
+       {"search",      CmdHFSearch,      1, "Search for known HF tags [preliminary]"},
+       {"snoop",       CmdHFSnoop,       0, "<samples to skip (10000)> <triggers to skip (1)> Generic LF/HF Snoop in Testing stage"},
+       {NULL, NULL, 0, NULL}
+};
+
+int CmdHF(const char *Cmd) {
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0; 
+}
+
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;

 }
 }