git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdhflist.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) Merlok - 2017
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // Command: hf mf list. It shows data from arm buffer.
   9 //-----------------------------------------------------------------------------
  10
  11 #include "cmdhflist.h"
  12
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include <stdint.h>
  17 #include <stdbool.h>
  18 #include "util.h"
  19 #include "data.h"
  20 #include "ui.h"
  21 #include "iso14443crc.h"
  22 #include "parity.h"
  23 #include "protocols.h"
  24
  25
  26 enum MifareAuthSeq {
  27         masNone,
  28         masNt,
  29         masNrAr,
  30         masAt,
  31         masData,
  32         masDataNested,
  33         masError,
  34 };
  35 static enum MifareAuthSeq MifareAuthState;
  36
  37 /**
  38  * @brief iso14443A_CRC_check Checks CRC in command or response
  39  * @param isResponse
  40  * @param data
  41  * @param len
  42  * @return  0 : CRC-command, CRC not ok
  43  *          1 : CRC-command, CRC ok
  44  *          2 : Not crc-command
  45  */
  46 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
  47 {
  48         uint8_t b1,b2;
  49
  50         if(len <= 2) return 2;
  51
  52         if(isResponse & (len < 6)) return 2;
  53
  54         ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
  55         if (b1 != data[len-2] || b2 != data[len-1]) {
  56                 return 0;
  57         } else {
  58                 return 1;
  59         }
  60 }
  61
  62 uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
  63 {
  64         switch(MifareAuthState) {
  65                 case masNone:
  66                 case masData:
  67                 case masDataNested:
  68                 case masError:
  69                         return iso14443A_CRC_check(isResponse, data, len);
  70                 default:
  71                         return 2;
  72         }
  73
  74 }
  75
  76 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
  77 {
  78         switch(cmd[0])
  79         {
  80         case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
  81         case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
  82                 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
  83                 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
  84                 if(cmd[1] == 0x70)
  85                 {
  86                         snprintf(exp,size,"SELECT_UID"); break;
  87                 }else
  88                 {
  89                         snprintf(exp,size,"ANTICOLL"); break;
  90                 }
  91         }
  92         case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
  93                 //95 20 = Anticollision of cascade level2
  94                 //95 70 = Select of cascade level2
  95                 if(cmd[2] == 0x70)
  96                 {
  97                         snprintf(exp,size,"SELECT_UID-2"); break;
  98                 }else
  99                 {
 100                         snprintf(exp,size,"ANTICOLL-2"); break;
 101                 }
 102         }
 103         case ISO14443A_CMD_REQA:                snprintf(exp,size,"REQA"); break;
 104         case ISO14443A_CMD_READBLOCK:   snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
 105         case ISO14443A_CMD_WRITEBLOCK:  snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
 106         case ISO14443A_CMD_HALT:
 107                 snprintf(exp,size,"HALT");
 108                 MifareAuthState = masNone;
 109                 break;
 110         case ISO14443A_CMD_RATS:                snprintf(exp,size,"RATS"); break;
 111         case MIFARE_CMD_INC:                    snprintf(exp,size,"INC(%d)",cmd[1]); break;
 112         case MIFARE_CMD_DEC:                    snprintf(exp,size,"DEC(%d)",cmd[1]); break;
 113         case MIFARE_CMD_RESTORE:                snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
 114         case MIFARE_CMD_TRANSFER:               snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
 115         case MIFARE_AUTH_KEYA:
 116                 if ( cmdsize > 3) {
 117                         snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
 118                         MifareAuthState = masNt;
 119                 } else {
 120                         //      case MIFARE_ULEV1_VERSION :  both 0x60.
 121                         snprintf(exp,size,"EV1 VERSION");
 122                 }
 123                 break;
 124         case MIFARE_AUTH_KEYB:
 125                 MifareAuthState = masNt;
 126                 snprintf(exp,size,"AUTH-B(%d)",cmd[1]);
 127                 break;
 128         case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
 129         case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
 130         case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
 131         case MIFARE_ULC_AUTH_1:         snprintf(exp,size,"AUTH "); break;
 132         case MIFARE_ULC_AUTH_2:         snprintf(exp,size,"AUTH_ANSW"); break;
 133         case MIFARE_ULEV1_AUTH:
 134                 if ( cmdsize == 7 )
 135                         snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
 136                 else
 137                         snprintf(exp,size,"PWD-AUTH");
 138                 break;
 139         case MIFARE_ULEV1_FASTREAD:{
 140                 if ( cmdsize >=3 && cmd[2] <= 0xE6)
 141                         snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
 142                 else
 143                         snprintf(exp,size,"?");
 144                 break;
 145         }
 146         case MIFARE_ULC_WRITE:{
 147                 if ( cmd[1] < 0x21 )
 148                         snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
 149                 else
 150                         snprintf(exp,size,"?");
 151                 break;
 152         }
 153         case MIFARE_ULEV1_READ_CNT:{
 154                 if ( cmd[1] < 5 )
 155                         snprintf(exp,size,"READ CNT(%d)",cmd[1]);
 156                 else
 157                         snprintf(exp,size,"?");
 158                 break;
 159         }
 160         case MIFARE_ULEV1_INCR_CNT:{
 161                 if ( cmd[1] < 5 )
 162                         snprintf(exp,size,"INCR(%d)",cmd[1]);
 163                 else
 164                         snprintf(exp,size,"?");
 165                 break;
 166         }
 167         case MIFARE_ULEV1_READSIG:              snprintf(exp,size,"READ_SIG"); break;
 168         case MIFARE_ULEV1_CHECKTEAR:    snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
 169         case MIFARE_ULEV1_VCSL:         snprintf(exp,size,"VCSL"); break;
 170         default:                                                snprintf(exp,size,"?"); break;
 171         }
 172         return;
 173 }
 174
 175 void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, bool isResponse) {
 176         switch(MifareAuthState) {
 177                 case masNt:
 178                         if (cmdsize == 4) {
 179                                 snprintf(exp,size,"AUTH: nt");
 180                                 MifareAuthState = masNrAr;
 181                                 printf("--ntok\n");
 182                                 return;
 183                         } else {
 184                                 MifareAuthState = masError;
 185                                 printf("--err %d\n", cmdsize);
 186                         }
 187                         break;
 188                 case masNrAr:
 189                         if (cmdsize == 8) {
 190                                 snprintf(exp,size,"AUTH: nr ar");
 191                                 MifareAuthState = masAt;
 192                                 return;
 193                         } else {
 194                                 MifareAuthState = masError;
 195                         }
 196                         break;
 197                 case masAt:
 198                         if (cmdsize == 4) {
 199                                 snprintf(exp,size,"AUTH: at");
 200                                 MifareAuthState = masData;
 201                                 return;
 202                         } else {
 203                                 MifareAuthState = masError;
 204                         }
 205                         break;
 206                 default:
 207                         break;
 208         }
 209
 210         if (!isResponse)
 211                 annotateIso14443a(exp, size, cmd, cmdsize);
 212
 213 }