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Add hf mf eview

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This commit is contained in:
Philippe Teuwen 2020-08-30 01:48:42 +02:00
commit aee5528fbd
1 changed files with 61 additions and 0 deletions
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61
client/src/cmdhfmf.c
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@ -356,6 +356,16 @@ static int usage_hf14_esave(void) {
PrintAndLogEx(NORMAL, _YELLOW_(" hf mf esave 4 filename"));
return PM3_SUCCESS;
}
static int usage_hf14_eview(void) {
PrintAndLogEx(NORMAL, "It displays emul memory");
PrintAndLogEx(NORMAL, " Usage: hf mf eview [card memory]");
PrintAndLogEx(NORMAL, " [card memory]: 0 = 320 bytes (MIFARE Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" hf mf eview"));
PrintAndLogEx(NORMAL, _YELLOW_(" hf mf eview 4"));
return PM3_SUCCESS;
}
static int usage_hf14_ecfill(void) {
PrintAndLogEx(NORMAL, "Read card and transfer its data to emulator memory.");
PrintAndLogEx(NORMAL, "Keys must be laid in the emulator memory. \n");
@ -3681,6 +3691,56 @@ static int CmdHF14AMfESave(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdHF14AMfEView(const char *Cmd) {
uint8_t *dump;
int bytes;
uint16_t blocks;
char c = tolower(param_getchar(Cmd, 0));
if (c == 'h') return usage_hf14_eview();
if (c != 0) {
blocks = NumOfBlocks(c);
if (blocks == 0) return usage_hf14_eview();
} else {
blocks = MIFARE_1K_MAXBLOCK;
}
bytes = blocks * MFBLOCK_SIZE;
dump = calloc(bytes, sizeof(uint8_t));
if (!dump) {
PrintAndLogEx(WARNING, "Fail, cannot allocate memory");
return PM3_EMALLOC;
}
memset(dump, 0, bytes);
PrintAndLogEx(INFO, "downloading from emulator memory");
if (!GetFromDevice(BIG_BUF_EML, dump, bytes, 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "Fail, transfer from device time-out");
free(dump);
return PM3_ETIMEOUT;
}
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(INFO, "----+-------------------------------------------------+-----------------");
PrintAndLogEx(INFO, "blk | data | ascii");
PrintAndLogEx(INFO, "----+-------------------------------------------------+-----------------");
for (uint16_t i = 0; i < blocks; i++){
if (i == 0) {
PrintAndLogEx(INFO, "%03d | " _RED_("%s"), i, sprint_hex_ascii(dump + (i * 16) , 16) );
} else if (mfIsSectorTrailer(i)) {
PrintAndLogEx(INFO, "%03d | " _YELLOW_("%s"), i, sprint_hex_ascii(dump + (i * 16) , 16) );
} else {
PrintAndLogEx(INFO, "%03d | %s ", i, sprint_hex_ascii(dump + (i * 16) , 16) );
}
}
PrintAndLogEx(INFO, "----+-------------------------------------------------+-----------------");
PrintAndLogEx(NORMAL, "");
free(dump);
return PM3_SUCCESS;
}
static int CmdHF14AMfECFill(const char *Cmd) {
uint8_t keyType = 0;
uint8_t numSectors = 16;
@ -4972,6 +5032,7 @@ static command_t CommandTable[] = {
{"eset", CmdHF14AMfESet, IfPm3Iso14443a, "Set simulator memory block"},
{"eload", CmdHF14AMfELoad, IfPm3Iso14443a, "Load from file emul dump"},
{"esave", CmdHF14AMfESave, IfPm3Iso14443a, "Save to file emul dump"},
{"eview", CmdHF14AMfEView, IfPm3Iso14443a, "View emul memory"},
{"ecfill", CmdHF14AMfECFill, IfPm3Iso14443a, "Fill simulator memory with help of keys from simulator"},
{"ekeyprn", CmdHF14AMfEKeyPrn, IfPm3Iso14443a, "Print keys from simulator memory"},
{"-----------", CmdHelp, IfPm3Iso14443a, "----------------------- " _CYAN_("magic") " -----------------------"},