cvs.zerfleddert.de Git - proxmark3-svn/blob - client/cmdhfemv.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2014 Peter Fillmore
   3 // 2017 iceman
   4 //
   5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 // at your option, any later version. See the LICENSE.txt file for the text of
   7 // the license.
   8 //-----------------------------------------------------------------------------
   9 // High frequency EMV commands
  10 //-----------------------------------------------------------------------------
  11 #include "cmdhfemv.h"
  12
  13 static int CmdHelp(const char *Cmd);
  14
  15 int usage_hf_emv_test(void){
  16         PrintAndLog("EMV test ");
  17         PrintAndLog("Usage:  hf emv test [h]");
  18         PrintAndLog("Options:");
  19         PrintAndLog("      h             : this help");
  20         PrintAndLog("");
  21         PrintAndLog("Samples:");
  22         PrintAndLog("      hf emv test");
  23         return 0;
  24 }
  25 int usage_hf_emv_readrecord(void){
  26         PrintAndLog("Read a EMV record ");
  27         PrintAndLog("Usage:  hf emv readrecord [h] <records> <sfi>");
  28         PrintAndLog("Options:");
  29         PrintAndLog("      h             : this help");
  30         PrintAndLog("      <records>     : number of records");
  31         PrintAndLog("      <sfi>         : number of SFI records");
  32         PrintAndLog("");
  33         PrintAndLog("Samples:");
  34         PrintAndLog("      hf emv readrecord 1 1");
  35         return 0;
  36 }
  37 int usage_hf_emv_clone(void){
  38         PrintAndLog("Usage:  hf emv clone [h] <records> <SFI> ");
  39         PrintAndLog("Options:");
  40         PrintAndLog("      h             : this help");
  41         PrintAndLog("      <records>     : number of records");
  42         PrintAndLog("      <sfi>         : number of SFI records");
  43         PrintAndLog("");
  44         PrintAndLog("Samples:");
  45         PrintAndLog("      hf emv clone 10 10");
  46         return 0;
  47 }
  48 int usage_hf_emv_transaction(void){
  49         PrintAndLog("Performs EMV reader transaction");
  50         PrintAndLog("Usage:  hf emv trans [h]");
  51         PrintAndLog("Options:");
  52         PrintAndLog("      h             : this help");
  53         PrintAndLog("");
  54         PrintAndLog("Samples:");
  55         PrintAndLog("      hf emv trans");
  56         return 0;
  57 }
  58 int usage_hf_emv_getrnd(void){
  59         PrintAndLog("retrieve the UN number from a terminal");
  60         PrintAndLog("Usage:  hf emv getrnd [h]");
  61         PrintAndLog("Options:");
  62         PrintAndLog("      h             : this help");
  63         PrintAndLog("");
  64         PrintAndLog("Samples:");
  65         PrintAndLog("      hf emv getrnd");
  66         return 0;
  67 }
  68 int usage_hf_emv_eload(void){
  69         PrintAndLog("set EMV tags in the device to use in a transaction");
  70         PrintAndLog("Usage:  hf emv eload [h] o <filename w/o .bin>");
  71         PrintAndLog("Options:");
  72         PrintAndLog("      h             : this help");
  73         PrintAndLog("      o <filename>  : filename w/o '.bin'");
  74         PrintAndLog("");
  75         PrintAndLog("Samples:");
  76         PrintAndLog("      hf emv eload o myfile");
  77         return 0;
  78 }
  79 int usage_hf_emv_dump(void){
  80         PrintAndLog("Gets EMV contactless tag values.");
  81         PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
  82         PrintAndLog("Usage:  hf emv dump [h] o <filename w/o .bin>");
  83         PrintAndLog("Options:");
  84         PrintAndLog("      h             : this help");
  85         PrintAndLog("      o <filename>  : filename w/o '.bin' to dump bytes");
  86         PrintAndLog("");
  87         PrintAndLog("Samples:");
  88         PrintAndLog("      hf emv dump");
  89         PrintAndLog("      hf emv dump o myfile");
  90         return 0;
  91 }
  92 int usage_hf_emv_sim(void){
  93         PrintAndLog("Simulates a EMV contactless card");
  94         PrintAndLog("Usage:  hf emv sim [h]");
  95         PrintAndLog("Options:");
  96         PrintAndLog("      h             : this help");
  97         PrintAndLog("");
  98         PrintAndLog("Samples:");
  99         PrintAndLog("      hf emv sim");
 100         return 0;
 101 }
 102
 103 int CmdHfEmvTest(const char *Cmd) {
 104         char cmdp = param_getchar(Cmd, 0);
 105         if ( cmdp == 'h' || cmdp == 'H') return usage_hf_emv_test();
 106
 107         UsbCommand c = {CMD_EMV_TEST, {0, 0, 0}};
 108         clearCommandBuffer();
 109         SendCommand(&c);
 110         UsbCommand resp;
 111         if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
 112                 PrintAndLog("Command execute time-out");
 113                 return 1;
 114         }
 115         uint8_t isOK  = resp.arg[0] & 0xff;
 116         PrintAndLog("isOk: %02x", isOK);
 117         return 0;
 118 }
 119
 120 int CmdHfEmvReadRecord(const char *Cmd) {
 121         char cmdp = param_getchar(Cmd, 0);
 122         if ((strlen(Cmd)<3) || cmdp == 'h' || cmdp == 'H') return usage_hf_emv_readrecord();
 123
 124         uint8_t record = param_get8(Cmd, 0);
 125         uint8_t sfi = param_getchar(Cmd, 1);
 126     if(record > 32){
 127         PrintAndLog("Record must be less than 32");
 128                 return 1;
 129     }
 130         PrintAndLog("--record no:%02x SFI:%02x ", record, sfi);
 131
 132         UsbCommand c = {CMD_EMV_READ_RECORD, {record, sfi, 0}};
 133         clearCommandBuffer();
 134         SendCommand(&c);
 135         UsbCommand resp;
 136         if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
 137                 PrintAndLog("Command execute timeout");
 138                 return 1;
 139         }
 140         uint8_t isOK  = resp.arg[0] & 0xff;
 141         PrintAndLog("isOk:%02x", isOK);
 142         return 0;
 143 }
 144
 145 int CmdHfEmvClone(const char *Cmd) {
 146         char cmdp = param_getchar(Cmd, 0);
 147         if ((strlen(Cmd)<3) || cmdp == 'h' || cmdp == 'H') return usage_hf_emv_clone();
 148
 149         uint8_t record = param_get8(Cmd, 0);
 150         uint8_t sfi = param_get8(Cmd, 1);
 151     if(record > 32){
 152         PrintAndLog("Record must be less than 32");
 153                 return 1;
 154     }
 155         UsbCommand c = {CMD_EMV_CLONE, {sfi, record, 0}};
 156         clearCommandBuffer();
 157         SendCommand(&c);
 158         UsbCommand resp;
 159         if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
 160                 PrintAndLog("Command execute timeout");
 161                 return 1;
 162         }
 163         uint8_t isOK  = resp.arg[0] & 0xff;
 164         PrintAndLog("isOk:%02x", isOK);
 165         return 0;
 166 }
 167
 168 int CmdHfEmvTrans(const char *Cmd) {
 169         char cmdp = param_getchar(Cmd, 0);
 170         if ( cmdp == 'h' || cmdp == 'H') return usage_hf_emv_transaction();
 171
 172         UsbCommand c = {CMD_EMV_TRANSACTION, {0, 0, 0}};
 173         clearCommandBuffer();
 174         SendCommand(&c);
 175         UsbCommand resp;
 176         if (WaitForResponseTimeout(CMD_ACK, &resp, 5000)) {
 177                 PrintAndLog("Command execute time-out");
 178                 return 1;
 179         }
 180         uint8_t isOK  = resp.arg[0] & 0xff;
 181         PrintAndLog("isOk: %02x", isOK);
 182         print_hex_break(resp.d.asBytes, 512, 32);
 183         return 0;
 184 }
 185 //retrieve the UN number from a terminal
 186 int CmdHfEmvGetrng(const char *Cmd) {
 187         char cmdp = param_getchar(Cmd, 0);
 188         if ( cmdp == 'h' || cmdp == 'H') return usage_hf_emv_getrnd();
 189     UsbCommand c = {CMD_EMV_GET_RANDOM_NUM, {0, 0, 0}};
 190         clearCommandBuffer();
 191     SendCommand(&c);
 192     return 0;
 193 }
 194 //Load a dumped EMV tag on to emulator memory
 195 int CmdHfEmvELoad(const char *Cmd) {
 196         FILE * f;
 197         char filename[FILE_PATH_SIZE];
 198         char *fnameptr = filename;
 199         int len;
 200         bool errors = false;
 201         uint8_t cmdp = 0;
 202
 203         while(param_getchar(Cmd, cmdp) != 0x00) {
 204                 switch(param_getchar(Cmd, cmdp)) {
 205                         case 'h':
 206                         case 'H':
 207                                 return usage_hf_emv_eload();
 208                         case 'o':
 209                         case 'O':
 210                                 len = param_getstr(Cmd, cmdp+1, filename);
 211                                 if (!len)
 212                                         errors = true;
 213                                 if (len > FILE_PATH_SIZE-5)
 214                                         len = FILE_PATH_SIZE-5;
 215                                 sprintf(fnameptr + len,".bin");
 216                                 cmdp += 2;
 217                                 break;
 218                         default:
 219                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 220                                 errors = true;
 221                                 break;
 222                 }
 223                 if(errors) break;
 224         }
 225
 226         //Validations
 227         if(errors) return usage_hf_emv_eload();
 228
 229         // open file
 230         f = fopen(filename,"r");
 231         if (!f) {
 232                 PrintAndLog("File %s not found or locked", filename);
 233                 return 1;
 234         }
 235
 236     char line[512];
 237     char *token;
 238     uint16_t tag;
 239
 240     UsbCommand c = {CMD_EMV_LOAD_VALUE, {0,0,0}};
 241
 242         // transfer to device
 243     while (fgets(line, sizeof (line), f)) {
 244         printf("LINE = %s\n", line);
 245
 246         token = strtok(line, ":");
 247         tag = (uint16_t)strtol(token, NULL, 0);
 248         token = strtok(NULL,"");
 249
 250         c.arg[0] = tag;
 251         memcpy(c.d.asBytes, token, strlen(token));
 252
 253                 clearCommandBuffer();
 254         SendCommand(&c);
 255
 256         printf("Loaded TAG   = %04x\n", tag);
 257         printf("Loaded VALUE = %s\n", token);
 258     }
 259
 260         fclose(f);
 261         PrintAndLog("loaded %s", filename);
 262         //PrintAndLog("\nLoaded %d bytes from file: %s  to emulator memory", numofbytes, filename);
 263         return 0;
 264 }
 265
 266 int CmdHfEmvDump(const char *Cmd){
 267
 268         bool errors = false;
 269         uint8_t cmdp = 0;
 270         while(param_getchar(Cmd, cmdp) != 0x00) {
 271                 switch(param_getchar(Cmd, cmdp)) {
 272                         case 'h':
 273                         case 'H':
 274                                 return usage_hf_emv_dump();
 275                         default:
 276                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 277                                 errors = true;
 278                                 break;
 279                 }
 280                 if(errors) break;
 281         }
 282
 283         //Validations
 284         if(errors) return usage_hf_emv_dump();
 285
 286     UsbCommand c = {CMD_EMV_DUMP_CARD, {0, 0, 0}};
 287         clearCommandBuffer();
 288     SendCommand(&c);
 289         UsbCommand resp;
 290         if (!WaitForResponseTimeout(CMD_ACK, &resp, 3000)) {
 291                 PrintAndLog("Command execute time-out");
 292                 return 1;
 293         }
 294         return 0;
 295 }
 296
 297 int CmdHfEmvSim(const char *Cmd) {
 298
 299         bool errors = false;
 300         uint8_t cmdp = 0;
 301         while(param_getchar(Cmd, cmdp) != 0x00) {
 302                 switch(param_getchar(Cmd, cmdp)) {
 303                         case 'h':
 304                         case 'H':
 305                                 return usage_hf_emv_sim();
 306                         default:
 307                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 308                                 errors = true;
 309                                 break;
 310                 }
 311                 if(errors) break;
 312         }
 313
 314         //Validations
 315         if(errors) return usage_hf_emv_sim();
 316
 317         UsbCommand c = {CMD_EMV_SIM, {0,0,0}};
 318         clearCommandBuffer();
 319         SendCommand(&c);
 320         UsbCommand resp;
 321         if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
 322                 PrintAndLog("Command execute time-out");
 323                 return 1;
 324         }
 325         uint8_t isOK  = resp.arg[0] & 0xff;
 326         PrintAndLog("isOk:%02x", isOK);
 327         return 0;
 328 }
 329
 330 int CmdHfEmvList(const char *Cmd) {
 331         return CmdHFList("7816");
 332 }
 333
 334 static command_t CommandTable[] =  {
 335         {"help",                CmdHelp,                  1, "This help"},
 336         {"readrecord",  CmdHfEmvReadRecord, 0, "EMV Read Record"},
 337         {"transaction", CmdHfEmvTrans,    0, "Perform EMV Transaction"},
 338         {"getrng",              CmdHfEmvGetrng,   0, "get random number from terminal"},
 339         {"eload",               CmdHfEmvELoad,    0, "load EMV tag into device"},
 340         {"dump",                CmdHfEmvDump,     0, "dump EMV tag values"},
 341         {"sim",                 CmdHfEmvSim,      0, "simulate EMV tag"},
 342         {"clone",               CmdHfEmvClone,    0, "clone an EMV tag"},
 343         {"list",                CmdHfEmvList,     0, "[Deprecated] List ISO7816 history"},
 344     {"test",            CmdHfEmvTest,     0, "Test Function"},
 345         {NULL, NULL, 0, NULL}
 346 };
 347
 348 int CmdHFEmv(const char *Cmd) {
 349         clearCommandBuffer();
 350         CmdsParse(CommandTable, Cmd);
 351         return 0;
 352 }
 353
 354 int CmdHelp(const char *Cmd) {
 355         CmdsHelp(CommandTable);
 356         return 0;
 357 }