fix memory overflow in hf mf nested (issue #479)

[proxmark3-svn] / client / cmdhfmf.c

//-----------------------------------------------------------------------------\r
// Copyright (C) 2011,2012 Merlok\r
//\r
// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
// at your option, any later version. See the LICENSE.txt file for the text of\r
// the license.\r
//-----------------------------------------------------------------------------\r
// High frequency MIFARE commands\r
//-----------------------------------------------------------------------------\r
\r
#include "cmdhfmf.h"\r
\r
#include <inttypes.h>\r
#include <string.h>\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <ctype.h>\r
#include "proxmark3.h"\r
#include "cmdmain.h"\r
#include "cmdhfmfhard.h"\r
#include "util.h"\r
#include "util_posix.h"\r
#include "usb_cmd.h"\r
#include "ui.h"\r
#include "mifarehost.h"\r
#include "mifare.h"\r
#include "mfkey.h"\r
\r
#define NESTED_SECTOR_RETRY     10			// how often we try mfested() until we give up\r
\r
static int CmdHelp(const char *Cmd);\r
\r
int CmdHF14AMifare(const char *Cmd)\r
{\r
	int isOK = 0;\r
	uint64_t key = 0;\r
	isOK = mfDarkside(&key);\r
	switch (isOK) {\r
		case -1 : PrintAndLog("Button pressed. Aborted."); return 1;\r
		case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1;\r
		case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1;\r
		case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
				  PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1;\r
		case -5 : PrintAndLog("Aborted via keyboard.");  return 1;\r
		default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key);\r
	}\r
\r
	PrintAndLog("");\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfWrBl(const char *Cmd)\r
{\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
\r
	char cmdp	= 0x00;\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf wrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");\r
		PrintAndLog("        sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");\r
		return 0;\r
	}\r
\r
	blockNo = param_get8(Cmd, 0);\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp == 0x00) {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	if (param_gethex(Cmd, 3, bldata, 32)) {\r
		PrintAndLog("Block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
	PrintAndLog("--data: %s", sprint_hex(bldata, 16));\r
\r
  UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
	memcpy(c.d.asBytes + 10, bldata, 16);\r
  SendCommand(&c);\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		uint8_t isOK  = resp.arg[0] & 0xff;\r
		PrintAndLog("isOk:%02x", isOK);\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfRdBl(const char *Cmd)\r
{\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
\r
	char cmdp	= 0x00;\r
\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf rdbl    <block number> <key A/B> <key (12 hex symbols)>");\r
		PrintAndLog("        sample: hf mf rdbl 0 A FFFFFFFFFFFF ");\r
		return 0;\r
	}\r
\r
	blockNo = param_get8(Cmd, 0);\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp == 0x00) {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
\r
  UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
  SendCommand(&c);\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		uint8_t isOK  = resp.arg[0] & 0xff;\r
		uint8_t *data = resp.d.asBytes;\r
\r
		if (isOK)\r
			PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));\r
		else\r
			PrintAndLog("isOk:%02x", isOK);\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
int CmdHF14AMfRdSc(const char *Cmd)\r
{\r
	int i;\r
	uint8_t sectorNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t isOK  = 0;\r
	uint8_t *data  = NULL;\r
	char cmdp	= 0x00;\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf rdsc    <sector number> <key A/B> <key (12 hex symbols)>");\r
		PrintAndLog("        sample: hf mf rdsc 0 A FFFFFFFFFFFF ");\r
		return 0;\r
	}\r
\r
	sectorNo = param_get8(Cmd, 0);\r
	if (sectorNo > 39) {\r
		PrintAndLog("Sector number must be less than 40");\r
		return 1;\r
	}\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));\r
\r
	UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
	SendCommand(&c);\r
	PrintAndLog(" ");\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		isOK  = resp.arg[0] & 0xff;\r
		data  = resp.d.asBytes;\r
\r
		PrintAndLog("isOk:%02x", isOK);\r
		if (isOK) {\r
			for (i = 0; i < (sectorNo<32?3:15); i++) {\r
				PrintAndLog("data   : %s", sprint_hex(data + i * 16, 16));\r
			}\r
			PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));\r
		}\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
uint8_t FirstBlockOfSector(uint8_t sectorNo)\r
{\r
	if (sectorNo < 32) {\r
		return sectorNo * 4;\r
	} else {\r
		return 32 * 4 + (sectorNo - 32) * 16;\r
	}\r
}\r
\r
uint8_t NumBlocksPerSector(uint8_t sectorNo)\r
{\r
	if (sectorNo < 32) {\r
		return 4;\r
	} else {\r
		return 16;\r
	}\r
}\r
\r
static int ParamCardSizeSectors(const char c) {\r
	int numBlocks = 16;\r
	switch (c) {\r
		case '0' : numBlocks = 5; break;\r
		case '2' : numBlocks = 32; break;\r
		case '4' : numBlocks = 40; break;\r
		default:   numBlocks = 16;\r
	}\r
	return numBlocks;\r
}\r
\r
static int ParamCardSizeBlocks(const char c) {\r
	int numBlocks = 16 * 4;\r
	switch (c) {\r
		case '0' : numBlocks = 5 * 4; break;\r
		case '2' : numBlocks = 32 * 4; break;\r
		case '4' : numBlocks = 32 * 4 + 8 * 16; break;\r
		default:   numBlocks = 16 * 4;\r
	}\r
	return numBlocks;\r
}\r
\r
int CmdHF14AMfDump(const char *Cmd)\r
{\r
	uint8_t sectorNo, blockNo;\r
\r
	uint8_t keyA[40][6];\r
	uint8_t keyB[40][6];\r
	uint8_t rights[40][4];\r
	uint8_t carddata[256][16];\r
	uint8_t numSectors = 16;\r
\r
	FILE *fin;\r
	FILE *fout;\r
\r
	UsbCommand resp;\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
	numSectors = ParamCardSizeSectors(cmdp);\r
\r
	if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
		PrintAndLog("Usage:   hf mf dump [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("Samples: hf mf dump");\r
		PrintAndLog("         hf mf dump 4");\r
		return 0;\r
	}\r
\r
	if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpkeys.bin");\r
		return 1;\r
	}\r
\r
	// Read keys A from file\r
	for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
		size_t bytes_read = fread(keyA[sectorNo], 1, 6, fin);\r
		if (bytes_read != 6) {\r
			PrintAndLog("File reading error.");\r
			fclose(fin);\r
			return 2;\r
		}\r
	}\r
\r
	// Read keys B from file\r
	for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
		size_t bytes_read = fread(keyB[sectorNo], 1, 6, fin);\r
		if (bytes_read != 6) {\r
			PrintAndLog("File reading error.");\r
			fclose(fin);\r
			return 2;\r
		}\r
	}\r
\r
	fclose(fin);\r
\r
	PrintAndLog("|-----------------------------------------|");\r
	PrintAndLog("|------ Reading sector access bits...-----|");\r
	PrintAndLog("|-----------------------------------------|");\r
	uint8_t tries = 0;\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		for (tries = 0; tries < 3; tries++) {\r
			UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};\r
			memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
			SendCommand(&c);\r
\r
			if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
				uint8_t isOK  = resp.arg[0] & 0xff;\r
				uint8_t *data  = resp.d.asBytes;\r
				if (isOK){\r
					rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0\r
					rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1\r
					rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2\r
					rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer\r
					break;\r
				} else if (tries == 2) { // on last try set defaults\r
					PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
					rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
					rights[sectorNo][3] = 0x01;\r
				}\r
			} else {\r
				PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);\r
				rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
				rights[sectorNo][3] = 0x01;\r
			}\r
		}\r
	}\r
\r
	PrintAndLog("|-----------------------------------------|");\r
	PrintAndLog("|----- Dumping all blocks to file... -----|");\r
	PrintAndLog("|-----------------------------------------|");\r
\r
	bool isOK = true;\r
	for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
		for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
			bool received = false;\r
			for (tries = 0; tries < 3; tries++) {\r
				if (blockNo == NumBlocksPerSector(sectorNo) - 1) {		// sector trailer. At least the Access Conditions can always be read with key A.\r
					UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
					memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
					SendCommand(&c);\r
					received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
				} else {												// data block. Check if it can be read with key A or key B\r
					uint8_t data_area = sectorNo<32?blockNo:blockNo/5;\r
					if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) {	// only key B would work\r
						UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};\r
						memcpy(c.d.asBytes, keyB[sectorNo], 6);\r
						SendCommand(&c);\r
						received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
					} else if (rights[sectorNo][data_area] == 0x07) {										// no key would work\r
						isOK = false;\r
						PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
						tries = 2;\r
					} else {																				// key A would work\r
						UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
						memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
						SendCommand(&c);\r
						received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
					}\r
				}\r
				if (received) {\r
					isOK  = resp.arg[0] & 0xff;\r
					if (isOK) break;\r
				}\r
			}\r
\r
			if (received) {\r
				isOK  = resp.arg[0] & 0xff;\r
				uint8_t *data  = resp.d.asBytes;\r
				if (blockNo == NumBlocksPerSector(sectorNo) - 1) {		// sector trailer. Fill in the keys.\r
					data[0]  = (keyA[sectorNo][0]);\r
					data[1]  = (keyA[sectorNo][1]);\r
					data[2]  = (keyA[sectorNo][2]);\r
					data[3]  = (keyA[sectorNo][3]);\r
					data[4]  = (keyA[sectorNo][4]);\r
					data[5]  = (keyA[sectorNo][5]);\r
					data[10] = (keyB[sectorNo][0]);\r
					data[11] = (keyB[sectorNo][1]);\r
					data[12] = (keyB[sectorNo][2]);\r
					data[13] = (keyB[sectorNo][3]);\r
					data[14] = (keyB[sectorNo][4]);\r
					data[15] = (keyB[sectorNo][5]);\r
				}\r
				if (isOK) {\r
					memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);\r
                    PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);\r
				} else {\r
					PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);\r
					break;\r
				}\r
			}\r
			else {\r
				isOK = false;\r
				PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);\r
				break;\r
			}\r
		}\r
	}\r
\r
	if (isOK) {\r
		if ((fout = fopen("dumpdata.bin","wb")) == NULL) {\r
			PrintAndLog("Could not create file name dumpdata.bin");\r
			return 1;\r
		}\r
		uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);\r
		fwrite(carddata, 1, 16*numblocks, fout);\r
		fclose(fout);\r
		PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);\r
	}\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfRestore(const char *Cmd)\r
{\r
	uint8_t sectorNo,blockNo;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};\r
	uint8_t bldata[16] = {0x00};\r
	uint8_t keyA[40][6];\r
	uint8_t keyB[40][6];\r
	uint8_t numSectors;\r
\r
	FILE *fdump;\r
	FILE *fkeys;\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
	switch (cmdp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' :\r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}\r
\r
	if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
		PrintAndLog("Usage:   hf mf restore [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("Samples: hf mf restore");\r
		PrintAndLog("         hf mf restore 4");\r
		return 0;\r
	}\r
\r
	if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpkeys.bin");\r
		return 1;\r
	}\r
\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);\r
		if (bytes_read != 6) {\r
			PrintAndLog("File reading error (dumpkeys.bin).");\r
			fclose(fkeys);\r
			return 2;\r
		}\r
	}\r
\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);\r
		if (bytes_read != 6) {\r
			PrintAndLog("File reading error (dumpkeys.bin).");\r
			fclose(fkeys);\r
			return 2;\r
		}\r
	}\r
\r
	fclose(fkeys);\r
\r
	if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpdata.bin");\r
		return 1;\r
	}\r
	PrintAndLog("Restoring dumpdata.bin to card");\r
\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
			UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};\r
			memcpy(c.d.asBytes, key, 6);\r
\r
			size_t bytes_read = fread(bldata, 1, 16, fdump);\r
			if (bytes_read != 16) {\r
				PrintAndLog("File reading error (dumpdata.bin).");\r
				fclose(fdump);\r
				return 2;\r
			}\r
\r
			if (blockNo == NumBlocksPerSector(sectorNo) - 1) {	// sector trailer\r
				bldata[0]  = (keyA[sectorNo][0]);\r
				bldata[1]  = (keyA[sectorNo][1]);\r
				bldata[2]  = (keyA[sectorNo][2]);\r
				bldata[3]  = (keyA[sectorNo][3]);\r
				bldata[4]  = (keyA[sectorNo][4]);\r
				bldata[5]  = (keyA[sectorNo][5]);\r
				bldata[10] = (keyB[sectorNo][0]);\r
				bldata[11] = (keyB[sectorNo][1]);\r
				bldata[12] = (keyB[sectorNo][2]);\r
				bldata[13] = (keyB[sectorNo][3]);\r
				bldata[14] = (keyB[sectorNo][4]);\r
				bldata[15] = (keyB[sectorNo][5]);\r
			}\r
\r
			PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));\r
\r
			memcpy(c.d.asBytes + 10, bldata, 16);\r
			SendCommand(&c);\r
\r
			UsbCommand resp;\r
			if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
				uint8_t isOK  = resp.arg[0] & 0xff;\r
				PrintAndLog("isOk:%02x", isOK);\r
			} else {\r
				PrintAndLog("Command execute timeout");\r
			}\r
		}\r
	}\r
\r
	fclose(fdump);\r
	return 0;\r
}\r
\r
//----------------------------------------------\r
//   Nested\r
//----------------------------------------------\r
\r
static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {\r
	char ctmp3[3] = {0};\r
	int len = param_getlength(Cmd, indx);\r
	if (len > 0 && len < 4){\r
		param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));\r
		\r
		*paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T');\r
		*paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D');\r
		bool paramS1 = *paramT || *paramD;\r
\r
		// slow and very slow\r
		if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {\r
			*timeout = 11; // slow\r
		\r
			if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r
				*timeout = 53; // very slow\r
			}\r
			if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r
				*timeout = 53; // very slow\r
			}\r
		}\r
	}\r
}\r
\r
int CmdHF14AMfNested(const char *Cmd)\r
{\r
	int i, j, res, iterations;\r
	sector_t *e_sector = NULL;\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t trgBlockNo = 0;\r
	uint8_t trgKeyType = 0;\r
	uint8_t SectorsCnt = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t keyBlock[MifareDefaultKeysSize * 6];\r
	uint64_t key64 = 0;\r
	// timeout in units. (ms * 106)/10 or us*0.0106\r
	uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r
	\r
	bool autosearchKey = false;\r
\r
	bool transferToEml = false;\r
	bool createDumpFile = false;\r
	FILE *fkeys;\r
	uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
	uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
\r
	char cmdp, ctmp;\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:");\r
		PrintAndLog(" all sectors:  hf mf nested  <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]");\r
		PrintAndLog(" all sectors autosearch key:  hf mf nested  <card memory> * [t|d|s|ss]");\r
		PrintAndLog(" one sector:   hf mf nested  o <block number> <key A/B> <key (12 hex symbols)>");\r
		PrintAndLog("               <target block number> <target key A/B> [t]");\r
		PrintAndLog(" ");\r
		PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
		PrintAndLog("t - transfer keys to emulator memory");\r
		PrintAndLog("d - write keys to binary file dumpkeys.bin");\r
		PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)");\r
		PrintAndLog("ss - Very slow (5ms) check keys");\r
		PrintAndLog(" ");\r
		PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");\r
		PrintAndLog("      sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
		PrintAndLog("      sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
		PrintAndLog("      sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
		PrintAndLog("      sample5: hf mf nested 1 * t");\r
		PrintAndLog("      sample6: hf mf nested 1 * ss");\r
		return 0;\r
	}\r
\r
	// <card memory>\r
	cmdp = param_getchar(Cmd, 0);\r
	if (cmdp == 'o' || cmdp == 'O') {\r
		cmdp = 'o';\r
		SectorsCnt = 1;\r
	} else {\r
		SectorsCnt = ParamCardSizeSectors(cmdp);\r
	}\r
		\r
	// <block number>. number or autosearch key (*)\r
	if (param_getchar(Cmd, 1) == '*') {\r
		autosearchKey = true;\r
\r
		parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r
\r
		PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us", \r
			SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r
	} else {\r
		blockNo = param_get8(Cmd, 1);\r
\r
		ctmp = param_getchar(Cmd, 2);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Key type must be A or B");\r
			return 1;\r
		}\r
\r
		if (ctmp != 'A' && ctmp != 'a')\r
			keyType = 1;\r
\r
		if (param_gethex(Cmd, 3, key, 12)) {\r
			PrintAndLog("Key must include 12 HEX symbols");\r
			return 1;\r
		}\r
\r
		// check if we can authenticate to sector\r
		res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);\r
		if (res) {\r
			PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
			return 3;\r
		}\r
\r
		// one sector nested\r
		if (cmdp == 'o') { \r
			trgBlockNo = param_get8(Cmd, 4);\r
\r
			ctmp = param_getchar(Cmd, 5);\r
			if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
				PrintAndLog("Target key type must be A or B");\r
				return 1;\r
			}\r
			if (ctmp != 'A' && ctmp != 'a')\r
				trgKeyType = 1;\r
\r
			parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);\r
		} else {\r
			parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);\r
		}\r
\r
		PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us", \r
			SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r
	}\r
\r
	// one-sector nested\r
	if (cmdp == 'o') { // ------------------------------------  one sector working\r
		PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');\r
		int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);\r
		if (isOK) {\r
			switch (isOK) {\r
				case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
				case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
				case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r
				default : PrintAndLog("Unknown Error.\n");\r
			}\r
			return 2;\r
		}\r
		key64 = bytes_to_num(keyBlock, 6);\r
		if (key64) {\r
			PrintAndLog("Found valid key:%012" PRIx64, key64);\r
\r
			// transfer key to the emulator\r
			if (transferToEml) {\r
				uint8_t sectortrailer;\r
				if (trgBlockNo < 32*4) { 	// 4 block sector\r
					sectortrailer = (trgBlockNo & 0x03) + 3;\r
				} else {					// 16 block sector\r
					sectortrailer = (trgBlockNo & 0x0f) + 15;\r
				}\r
				mfEmlGetMem(keyBlock, sectortrailer, 1);\r
\r
				if (!trgKeyType)\r
					num_to_bytes(key64, 6, keyBlock);\r
				else\r
					num_to_bytes(key64, 6, &keyBlock[10]);\r
				mfEmlSetMem(keyBlock, sectortrailer, 1);\r
				PrintAndLog("Key transferred to emulator memory.");\r
			}\r
		} else {\r
			PrintAndLog("No valid key found");\r
		}\r
	}\r
	else { // ------------------------------------  multiple sectors working\r
		uint64_t msclock1;\r
		msclock1 = msclock();\r
\r
		e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
		if (e_sector == NULL) return 1;\r
\r
		//test current key and additional standard keys first\r
		for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){\r
			num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
		}\r
\r
		PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r
		mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);\r
		\r
		// get known key from array\r
		bool keyFound = false;\r
		if (autosearchKey) {\r
			for (i = 0; i < SectorsCnt; i++) {\r
				for (j = 0; j < 2; j++) {\r
					if (e_sector[i].foundKey[j]) {\r
						// get known key\r
						blockNo = i * 4;\r
						keyType = j;\r
						num_to_bytes(e_sector[i].Key[j], 6, key);\r
						\r
						keyFound = true;\r
						break;\r
					}\r
				}\r
				if (keyFound) break;\r
			}		\r
\r
			// Can't found a key....\r
			if (!keyFound) {\r
				PrintAndLog("Can't found any of the known keys.");\r
				return 4;\r
			}\r
			PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
		}\r
\r
		// nested sectors\r
		iterations = 0;\r
		PrintAndLog("nested...");\r
		bool calibrate = true;\r
		for (i = 0; i < NESTED_SECTOR_RETRY; i++) {\r
			for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
				for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {\r
					if (e_sector[sectorNo].foundKey[trgKeyType]) continue;\r
					PrintAndLog("-----------------------------------------------");\r
					int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);\r
					if(isOK) {\r
						switch (isOK) {\r
							case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
							case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
							case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r
							default : PrintAndLog("Unknown Error.\n");\r
						}\r
						free(e_sector);\r
						return 2;\r
					} else {\r
						calibrate = false;\r
					}\r
\r
					iterations++;\r
\r
					key64 = bytes_to_num(keyBlock, 6);\r
					if (key64) {\r
						PrintAndLog("Found valid key:%012" PRIx64, key64);\r
						e_sector[sectorNo].foundKey[trgKeyType] = 1;\r
						e_sector[sectorNo].Key[trgKeyType] = key64;\r
						\r
						// try to check this key as a key to the other sectors\r
						mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);\r
					}\r
				}\r
			}\r
		}\r
\r
		// print nested statistic\r
		PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations);\r
		PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);\r
		\r
		// print result\r
		PrintAndLog("|---|----------------|---|----------------|---|");\r
		PrintAndLog("|sec|key A           |res|key B           |res|");\r
		PrintAndLog("|---|----------------|---|----------------|---|");\r
		for (i = 0; i < SectorsCnt; i++) {\r
			PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,\r
				e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r
		}\r
		PrintAndLog("|---|----------------|---|----------------|---|");\r
\r
		// transfer keys to the emulator memory\r
		if (transferToEml) {\r
			for (i = 0; i < SectorsCnt; i++) {\r
				mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
				if (e_sector[i].foundKey[0])\r
					num_to_bytes(e_sector[i].Key[0], 6, keyBlock);\r
				if (e_sector[i].foundKey[1])\r
					num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);\r
				mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
			}\r
			PrintAndLog("Keys transferred to emulator memory.");\r
		}\r
\r
		// Create dump file\r
		if (createDumpFile) {\r
			if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {\r
				PrintAndLog("Could not create file dumpkeys.bin");\r
				free(e_sector);\r
				return 1;\r
			}\r
			PrintAndLog("Printing keys to binary file dumpkeys.bin...");\r
			for(i=0; i<SectorsCnt; i++) {\r
				if (e_sector[i].foundKey[0]){\r
					num_to_bytes(e_sector[i].Key[0], 6, tempkey);\r
					fwrite ( tempkey, 1, 6, fkeys );\r
				}\r
				else{\r
					fwrite ( &standart, 1, 6, fkeys );\r
				}\r
			}\r
			for(i=0; i<SectorsCnt; i++) {\r
				if (e_sector[i].foundKey[1]){\r
					num_to_bytes(e_sector[i].Key[1], 6, tempkey);\r
					fwrite ( tempkey, 1, 6, fkeys );\r
				}\r
				else{\r
					fwrite ( &standart, 1, 6, fkeys );\r
				}\r
			}\r
			fclose(fkeys);\r
		}\r
\r
		free(e_sector);\r
	}\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfNestedHard(const char *Cmd)\r
{\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t trgBlockNo = 0;\r
	uint8_t trgKeyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};\r
\r
	char ctmp;\r
	ctmp = param_getchar(Cmd, 0);\r
\r
	if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {\r
		PrintAndLog("Usage:");\r
		PrintAndLog("      hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");\r
		PrintAndLog("                       <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");\r
		PrintAndLog("  or  hf mf hardnested r [known target key]");\r
		PrintAndLog(" ");\r
		PrintAndLog("Options: ");\r
		PrintAndLog("      w: Acquire nonces and write them to binary file nonces.bin");\r
		PrintAndLog("      s: Slower acquisition (required by some non standard cards)");\r
		PrintAndLog("      r: Read nonces.bin and start attack");\r
		PrintAndLog(" ");\r
		PrintAndLog("      sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");\r
		PrintAndLog("      sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");\r
		PrintAndLog("      sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");\r
		PrintAndLog("      sample4: hf mf hardnested r");\r
		PrintAndLog(" ");\r
		PrintAndLog("Add the known target key to check if it is present in the remaining key space:");\r
		PrintAndLog("      sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");\r
		return 0;\r
	}\r
\r
	bool know_target_key = false;\r
	bool nonce_file_read = false;\r
	bool nonce_file_write = false;\r
	bool slow = false;\r
	int tests = 0;\r
\r
\r
	if (ctmp == 'R' || ctmp == 'r') {\r
		nonce_file_read = true;\r
		if (!param_gethex(Cmd, 1, trgkey, 12)) {\r
			know_target_key = true;\r
		}\r
	} else if (ctmp == 'T' || ctmp == 't') {\r
		tests = param_get32ex(Cmd, 1, 100, 10);\r
		if (!param_gethex(Cmd, 2, trgkey, 12)) {\r
			know_target_key = true;\r
		}\r
	} else {\r
		blockNo = param_get8(Cmd, 0);\r
		ctmp = param_getchar(Cmd, 1);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Key type must be A or B");\r
			return 1;\r
		}\r
		if (ctmp != 'A' && ctmp != 'a') {\r
			keyType = 1;\r
		}\r
\r
		if (param_gethex(Cmd, 2, key, 12)) {\r
			PrintAndLog("Key must include 12 HEX symbols");\r
			return 1;\r
		}\r
\r
		trgBlockNo = param_get8(Cmd, 3);\r
		ctmp = param_getchar(Cmd, 4);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Target key type must be A or B");\r
			return 1;\r
		}\r
		if (ctmp != 'A' && ctmp != 'a') {\r
			trgKeyType = 1;\r
		}\r
\r
		uint16_t i = 5;\r
\r
		if (!param_gethex(Cmd, 5, trgkey, 12)) {\r
			know_target_key = true;\r
			i++;\r
		}\r
\r
		while ((ctmp = param_getchar(Cmd, i))) {\r
			if (ctmp == 's' || ctmp == 'S') {\r
				slow = true;\r
			} else if (ctmp == 'w' || ctmp == 'W') {\r
				nonce_file_write = true;\r
			} else {\r
				PrintAndLog("Possible options are w and/or s");\r
				return 1;\r
			}\r
			i++;\r
		}\r
	}\r
\r
	PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",\r
			trgBlockNo,\r
			trgKeyType?'B':'A',\r
			trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],\r
			know_target_key?"":" (not set)",\r
			nonce_file_write?"write":nonce_file_read?"read":"none",\r
			slow?"Yes":"No",\r
			tests);\r
\r
	int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);\r
\r
	if (isOK) {\r
		switch (isOK) {\r
			case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
			case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
			default : break;\r
		}\r
		return 2;\r
	}\r
\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfChk(const char *Cmd)\r
{\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
		PrintAndLog("          * - all sectors");\r
		PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
		PrintAndLog("d - write keys to binary file\n");\r
		PrintAndLog("t - write keys to emulator memory");\r
		PrintAndLog("s - slow execute. timeout 1ms");\r
		PrintAndLog("ss- very slow execute. timeout 5ms");\r
		PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
		PrintAndLog("              hf mf chk *1 ? t");\r
		PrintAndLog("              hf mf chk *1 ? d");\r
		PrintAndLog("              hf mf chk *1 ? s");\r
		PrintAndLog("              hf mf chk *1 ? dss");\r
		return 0;\r
	}\r
\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE]={0};\r
	char buf[13];\r
	uint8_t *keyBlock = NULL, *p;\r
	uint16_t stKeyBlock = 20;\r
\r
	int i, res;\r
	int	keycnt = 0;\r
	char ctmp	= 0x00;\r
	char ctmp3[3]	= {0x00};\r
	uint8_t blockNo = 0;\r
	uint8_t SectorsCnt = 0;\r
	uint8_t keyType = 0;\r
	uint64_t key64 = 0;\r
	uint32_t timeout14a = 0; // timeout in us\r
	bool param3InUse = false;\r
\r
	int transferToEml = 0;\r
	int createDumpFile = 0;\r
	\r
	sector_t *e_sector = NULL;\r
\r
	keyBlock = calloc(stKeyBlock, 6);\r
	if (keyBlock == NULL) return 1;\r
\r
	int defaultKeysSize = MifareDefaultKeysSize;\r
	for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){\r
		num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
	}\r
\r
	if (param_getchar(Cmd, 0)=='*') {\r
		SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));\r
	}\r
	else\r
		blockNo = param_get8(Cmd, 0);\r
\r
	ctmp = param_getchar(Cmd, 1);\r
	switch (ctmp) {\r
	case 'a': case 'A':\r
		keyType = 0;\r
		break;\r
	case 'b': case 'B':\r
		keyType = 1;\r
		break;\r
	case '?':\r
		keyType = 2;\r
		break;\r
	default:\r
		PrintAndLog("Key type must be A , B or ?");\r
		free(keyBlock);\r
		return 1;\r
	};\r
\r
	// transfer to emulator & create dump file\r
	ctmp = param_getchar(Cmd, 2);\r
	if (ctmp == 't' || ctmp == 'T') transferToEml = 1;\r
	if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;\r
	\r
	param3InUse = transferToEml | createDumpFile;\r
	\r
	timeout14a = 500; // fast by default\r
	// double parameters - ts, ds\r
	int clen = param_getlength(Cmd, 2);\r
	if (clen == 2 || clen == 3){\r
		param_getstr(Cmd, 2, ctmp3, sizeof(ctmp3));\r
		ctmp = ctmp3[1];\r
	}\r
	//parse\r
	if (ctmp == 's' || ctmp == 'S') {\r
		timeout14a = 1000; // slow\r
		if (!param3InUse && clen == 2 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r
			timeout14a = 5000; // very slow\r
		}\r
		if (param3InUse && clen == 3 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r
			timeout14a = 5000; // very slow\r
		}\r
		param3InUse = true;\r
	}\r
\r
	for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {\r
		if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r
			if ( stKeyBlock - keycnt < 2) {\r
				p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
				if (!p) {\r
					PrintAndLog("Cannot allocate memory for Keys");\r
					free(keyBlock);\r
					return 2;\r
				}\r
				keyBlock = p;\r
			}\r
			PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
			(keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
			(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],	(keyBlock + 6*keycnt)[5], 6);\r
			keycnt++;\r
		} else {\r
			// May be a dic file\r
			if ( param_getstr(Cmd, 2 + i, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {\r
				PrintAndLog("File name too long");\r
				free(keyBlock);\r
				return 2;\r
			}\r
\r
			if ( (f = fopen( filename , "r")) ) {\r
				while( fgets(buf, sizeof(buf), f) ){\r
					if (strlen(buf) < 12 || buf[11] == '\n')\r
						continue;\r
\r
					while (fgetc(f) != '\n' && !feof(f)) ;  //goto next line\r
\r
					if( buf[0]=='#' ) continue;	//The line start with # is comment, skip\r
\r
					if (!isxdigit(buf[0])){\r
						PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
						continue;\r
					}\r
\r
					buf[12] = 0;\r
\r
					if ( stKeyBlock - keycnt < 2) {\r
						p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
						if (!p) {\r
							PrintAndLog("Cannot allocate memory for defKeys");\r
							free(keyBlock);\r
							fclose(f);\r
							return 2;\r
						}\r
						keyBlock = p;\r
					}\r
					memset(keyBlock + 6 * keycnt, 0, 6);\r
					num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
					PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
					keycnt++;\r
					memset(buf, 0, sizeof(buf));\r
				}\r
				fclose(f);\r
			} else {\r
				PrintAndLog("File: %s: not found or locked.", filename);\r
				free(keyBlock);\r
				return 1;\r
\r
			}\r
		}\r
	}\r
\r
	// fill with default keys\r
	if (keycnt == 0) {\r
		PrintAndLog("No key specified, trying default keys");\r
		for (;keycnt < defaultKeysSize; keycnt++)\r
			PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
				(keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
				(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],	(keyBlock + 6*keycnt)[5], 6);\r
	}\r
\r
	// initialize storage for found keys\r
	e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
	if (e_sector == NULL) return 1;\r
	for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {\r
		for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
			e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;\r
			e_sector[sectorNo].foundKey[keyAB] = 0;\r
		}\r
	}\r
	printf("\n");\r
\r
	bool foundAKey = false;\r
	uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;\r
	if (SectorsCnt) {\r
		PrintAndLog("To cancel this operation press the button on the proxmark...");\r
		printf("--");\r
		for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
\r
			uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
			res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106\r
\r
			if (res != 1) {\r
				if (!res) {\r
					printf("o");\r
					foundAKey = true;\r
				} else {\r
					printf(".");\r
				}\r
			} else {\r
				printf("\n");\r
				PrintAndLog("Command execute timeout");\r
			}\r
		}\r
	} else {\r
		int keyAB = keyType;\r
		do {\r
			for (uint32_t c = 0; c < keycnt; c+=max_keys) {\r
\r
				uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
				res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64); \r
\r
				if (res != 1) {\r
					if (!res) {\r
						PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);\r
						foundAKey = true;\r
					}\r
				} else {\r
					PrintAndLog("Command execute timeout");\r
				}\r
			}\r
		} while(--keyAB > 0);\r
	}\r
	\r
	// print result\r
	if (foundAKey) {\r
		if (SectorsCnt) {\r
			PrintAndLog("");\r
			PrintAndLog("|---|----------------|---|----------------|---|");\r
			PrintAndLog("|sec|key A           |res|key B           |res|");\r
			PrintAndLog("|---|----------------|---|----------------|---|");\r
			for (i = 0; i < SectorsCnt; i++) {\r
				PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,\r
					e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r
			}\r
			PrintAndLog("|---|----------------|---|----------------|---|");\r
		}\r
	} else {\r
		PrintAndLog("");\r
		PrintAndLog("No valid keys found.");\r
	}	\r
	\r
	if (transferToEml) {\r
		uint8_t block[16];\r
		for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
			if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) {\r
				mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
				for (uint16_t t = 0; t < 2; t++) {\r
					if (e_sector[sectorNo].foundKey[t]) {\r
						num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);\r
					}\r
				}\r
				mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
			}\r
		}\r
		PrintAndLog("Found keys have been transferred to the emulator memory");\r
	}\r
\r
	if (createDumpFile) {\r
		FILE *fkeys = fopen("dumpkeys.bin","wb");\r
		if (fkeys == NULL) {\r
			PrintAndLog("Could not create file dumpkeys.bin");\r
			free(e_sector);\r
			free(keyBlock);\r
			return 1;\r
		}\r
		uint8_t mkey[6];\r
		for (uint8_t t = 0; t < 2; t++) {\r
			for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
				num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey);\r
				fwrite(mkey, 1, 6, fkeys);\r
			}\r
		}\r
		fclose(fkeys);\r
		PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");\r
	}\r
\r
	free(e_sector);\r
	free(keyBlock);\r
	PrintAndLog("");\r
	return 0;\r
}\r
\r
void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {\r
	#define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()\r
	                           // cannot be more than 7 or it will overrun c.d.asBytes(512)\r
	uint64_t key = 0;\r
	typedef struct {\r
			uint64_t keyA;\r
			uint64_t keyB;\r
	} st_t;\r
	st_t sector_trailer[ATTACK_KEY_COUNT];\r
	memset(sector_trailer, 0x00, sizeof(sector_trailer));\r
\r
	uint8_t	stSector[ATTACK_KEY_COUNT];\r
	memset(stSector, 0x00, sizeof(stSector));\r
	uint8_t key_cnt[ATTACK_KEY_COUNT];\r
	memset(key_cnt, 0x00, sizeof(key_cnt));\r
\r
	for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {\r
		if (ar_resp[i].ar2 > 0) {\r
			//PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2);\r
			if (doStandardAttack && mfkey32(ar_resp[i], &key)) {\r
				PrintAndLog("  Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));\r
\r
				for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {\r
					if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {\r
						if (ar_resp[i].keytype==0) {\r
							//keyA\r
							sector_trailer[ii].keyA = key;\r
							stSector[ii] = ar_resp[i].sector;\r
							key_cnt[ii]++;\r
							break;\r
						} else {\r
							//keyB\r
							sector_trailer[ii].keyB = key;\r
							stSector[ii] = ar_resp[i].sector;\r
							key_cnt[ii]++;\r
							break;\r
						}\r
					}\r
				}\r
			} else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {\r
				uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;\r
				uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;\r
\r
				PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"\r
					, keyType ? "B" : "A"\r
					, sectorNum\r
					, key\r
				);\r
\r
				for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {\r
					if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {\r
						if (keyType==0) {\r
							//keyA\r
							sector_trailer[ii].keyA = key;\r
							stSector[ii] = sectorNum;\r
							key_cnt[ii]++;\r
							break;\r
						} else {\r
							//keyB\r
							sector_trailer[ii].keyB = key;\r
							stSector[ii] = sectorNum;\r
							key_cnt[ii]++;\r
							break;\r
						}\r
					}\r
				}\r
				continue;\r
			}\r
		}\r
	}\r
	//set emulator memory for keys\r
	if (setEmulatorMem) {\r
		for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {\r
			if (key_cnt[i]>0) {\r
				uint8_t	memBlock[16];\r
				memset(memBlock, 0x00, sizeof(memBlock));\r
				char cmd1[36];\r
				memset(cmd1,0x00,sizeof(cmd1));\r
				snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF));\r
				PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);\r
				if (param_gethex(cmd1, 0, memBlock, 32)) {\r
					PrintAndLog("block data must include 32 HEX symbols");\r
					return;\r
				}\r
\r
				UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};\r
				memcpy(c.d.asBytes, memBlock, 16);\r
				clearCommandBuffer();\r
				SendCommand(&c);\r
			}\r
		}\r
	}\r
	/*\r
	//un-comment to use as well moebius attack\r
	for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {\r
		if (ar_resp[i].ar2 > 0) {\r
			if (tryMfk32_moebius(ar_resp[i], &key)) {\r
				PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));\r
			}\r
		}\r
	}*/\r
}\r
\r
int usage_hf14_mf1ksim(void) {\r
	PrintAndLog("Usage:  hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> i x");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");\r
	PrintAndLog("      u    (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used");\r
	PrintAndLog("      n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
	PrintAndLog("      i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
	PrintAndLog("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r
	PrintAndLog("      e    (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");\r
	PrintAndLog("      f    (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");\r
	PrintAndLog("      r    (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");\r
	PrintAndLog("samples:");\r
	PrintAndLog("           hf mf sim u 0a0a0a0a");\r
	PrintAndLog("           hf mf sim u 11223344556677");\r
	PrintAndLog("           hf mf sim u 112233445566778899AA");\r
	PrintAndLog("           hf mf sim f uids.txt");\r
	PrintAndLog("           hf mf sim u 0a0a0a0a e");\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMf1kSim(const char *Cmd) {\r
	UsbCommand resp;\r
	uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
	uint8_t exitAfterNReads = 0;\r
	uint8_t flags = 0;\r
	int uidlen = 0;\r
	uint8_t pnr = 0;\r
	bool setEmulatorMem = false;\r
	bool attackFromFile = false;\r
	FILE *f;\r
	char filename[FILE_PATH_SIZE];\r
	memset(filename, 0x00, sizeof(filename));\r
	int len = 0;\r
	char buf[64];\r
\r
	uint8_t cmdp = 0;\r
	bool errors = false;\r
\r
	while(param_getchar(Cmd, cmdp) != 0x00) {\r
		switch(param_getchar(Cmd, cmdp)) {\r
		case 'e':\r
		case 'E':\r
			setEmulatorMem = true;\r
			//implies x and i\r
			flags |= FLAG_INTERACTIVE;\r
			flags |= FLAG_NR_AR_ATTACK;\r
			cmdp++;\r
			break;\r
		case 'f':\r
		case 'F':\r
			len = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));\r
			if (len < 1) {\r
				PrintAndLog("error no filename found");\r
				return 0;\r
			}\r
			attackFromFile = true;\r
			//implies x and i\r
			flags |= FLAG_INTERACTIVE;\r
			flags |= FLAG_NR_AR_ATTACK;\r
			cmdp += 2;\r
			break;\r
		case 'h':\r
		case 'H':\r
			return usage_hf14_mf1ksim();\r
		case 'i':\r
		case 'I':\r
			flags |= FLAG_INTERACTIVE;\r
			cmdp++;\r
			break;\r
		case 'n':\r
		case 'N':\r
			exitAfterNReads = param_get8(Cmd, pnr+1);\r
			cmdp += 2;\r
			break;\r
		case 'r':\r
		case 'R':\r
			flags |= FLAG_RANDOM_NONCE;\r
			cmdp++;\r
			break;\r
		case 'u':\r
		case 'U':\r
			param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);\r
			switch(uidlen) {\r
				case 20: flags = FLAG_10B_UID_IN_DATA;	break; //not complete\r
				case 14: flags = FLAG_7B_UID_IN_DATA; break;\r
				case  8: flags = FLAG_4B_UID_IN_DATA; break;\r
				default: return usage_hf14_mf1ksim();\r
			}\r
			cmdp += 2;\r
			break;\r
		case 'x':\r
		case 'X':\r
			flags |= FLAG_NR_AR_ATTACK;\r
			cmdp++;\r
			break;\r
		default:\r
			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
			errors = true;\r
			break;\r
		}\r
		if(errors) break;\r
	}\r
	//Validations\r
	if(errors) return usage_hf14_mf1ksim();\r
\r
	//get uid from file\r
	if (attackFromFile) {\r
		int count = 0;\r
		// open file\r
		f = fopen(filename, "r");\r
		if (f == NULL) {\r
			PrintAndLog("File %s not found or locked", filename);\r
			return 1;\r
		}\r
		PrintAndLog("Loading file and simulating. Press keyboard to abort");\r
		while(!feof(f) && !ukbhit()){\r
			memset(buf, 0, sizeof(buf));\r
			memset(uid, 0, sizeof(uid));\r
\r
			if (fgets(buf, sizeof(buf), f) == NULL) {\r
				if (count > 0) break;\r
\r
				PrintAndLog("File reading error.");\r
				fclose(f);\r
				return 2;\r
			}\r
			if(!strlen(buf) && feof(f)) break;\r
\r
			uidlen = strlen(buf)-1;\r
			switch(uidlen) {\r
				case 20: flags |= FLAG_10B_UID_IN_DATA;	break; //not complete\r
				case 14: flags |= FLAG_7B_UID_IN_DATA; break;\r
				case  8: flags |= FLAG_4B_UID_IN_DATA; break;\r
				default:\r
					PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);\r
					fclose(f);\r
					return 2;\r
			}\r
\r
			for (uint8_t i = 0; i < uidlen; i += 2) {\r
				sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);\r
			}\r
\r
			PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",\r
					flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):\r
						flags & FLAG_7B_UID_IN_DATA	? sprint_hex(uid,7):\r
							flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"\r
					, exitAfterNReads, flags, flags);\r
\r
			UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};\r
			memcpy(c.d.asBytes, uid, sizeof(uid));\r
			clearCommandBuffer();\r
			SendCommand(&c);\r
\r
			while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
				//We're waiting only 1.5 s at a time, otherwise we get the\r
				// annoying message about "Waiting for a response... "\r
			}\r
			//got a response\r
			nonces_t ar_resp[ATTACK_KEY_COUNT*2];\r
			memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));\r
			// We can skip the standard attack if we have RANDOM_NONCE set.\r
			readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));\r
			if ((bool)resp.arg[1]) {\r
				PrintAndLog("Device button pressed - quitting");\r
				fclose(f);\r
				return 4;\r
			}\r
			count++;\r
		}\r
		fclose(f);\r
	} else { //not from file\r
\r
		PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ",\r
				flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):\r
					flags & FLAG_7B_UID_IN_DATA	? sprint_hex(uid,7):\r
						flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"\r
				, exitAfterNReads, flags, flags);\r
\r
		UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};\r
		memcpy(c.d.asBytes, uid, sizeof(uid));\r
		clearCommandBuffer();\r
		SendCommand(&c);\r
\r
		if(flags & FLAG_INTERACTIVE) {\r
			PrintAndLog("Press pm3-button to abort simulation");\r
			while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
				//We're waiting only 1.5 s at a time, otherwise we get the\r
				// annoying message about "Waiting for a response... "\r
			}\r
			//got a response\r
			if (flags & FLAG_NR_AR_ATTACK) {\r
				nonces_t ar_resp[ATTACK_KEY_COUNT*2];\r
				memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));\r
				// We can skip the standard attack if we have RANDOM_NONCE set.\r
				readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));\r
			}\r
		}\r
	}\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfDbg(const char *Cmd)\r
{\r
	int dbgMode = param_get32ex(Cmd, 0, 0, 10);\r
	if (dbgMode > 4) {\r
		PrintAndLog("Max debug mode parameter is 4 \n");\r
	}\r
\r
	if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {\r
		PrintAndLog("Usage:  hf mf dbg  <debug level>");\r
		PrintAndLog(" 0 - no debug messages");\r
		PrintAndLog(" 1 - error messages");\r
		PrintAndLog(" 2 - plus information messages");\r
		PrintAndLog(" 3 - plus debug messages");\r
		PrintAndLog(" 4 - print even debug messages in timing critical functions");\r
		PrintAndLog("     Note: this option therefore may cause malfunction itself");\r
		return 0;\r
	}\r
\r
  UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r
  SendCommand(&c);\r
\r
  return 0;\r
}\r
\r
int CmdHF14AMfEGet(const char *Cmd)\r
{\r
	uint8_t blockNo = 0;\r
	uint8_t data[16] = {0x00};\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eget <block number>");\r
		PrintAndLog(" sample: hf mf eget 0 ");\r
		return 0;\r
	}\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	PrintAndLog(" ");\r
	if (!mfEmlGetMem(data, blockNo, 1)) {\r
		PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
int CmdHF14AMfEClear(const char *Cmd)\r
{\r
	if (param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eclr");\r
		PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");\r
		return 0;\r
	}\r
\r
  UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};\r
  SendCommand(&c);\r
  return 0;\r
}\r
\r
\r
int CmdHF14AMfESet(const char *Cmd)\r
{\r
	uint8_t memBlock[16];\r
	uint8_t blockNo = 0;\r
\r
	memset(memBlock, 0x00, sizeof(memBlock));\r
\r
	if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eset <block number> <block data (32 hex symbols)>");\r
		PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");\r
		return 0;\r
	}\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	if (param_gethex(Cmd, 1, memBlock, 32)) {\r
		PrintAndLog("block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
\r
	//  1 - blocks count\r
	UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};\r
	memcpy(c.d.asBytes, memBlock, 16);\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfELoad(const char *Cmd)\r
{\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char *fnameptr = filename;\r
	char buf[64] = {0x00};\r
	uint8_t buf8[64] = {0x00};\r
	int i, len, blockNum, numBlocks;\r
	int nameParamNo = 1;\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
\r
	if ( ctmp == 'h' || ctmp == 0x00) {\r
		PrintAndLog("It loads emul dump from the file `filename.eml`");\r
		PrintAndLog("Usage:  hf mf eload [card memory] <file name w/o `.eml`>");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf eload filename");\r
		PrintAndLog("         hf mf eload 4 filename");\r
		return 0;\r
	}\r
\r
	switch (ctmp) {\r
		case '0' : numBlocks = 5*4; break;\r
		case '1' :\r
		case '\0': numBlocks = 16*4; break;\r
		case '2' : numBlocks = 32*4; break;\r
		case '4' : numBlocks = 256; break;\r
		default:  {\r
			numBlocks = 16*4;\r
			nameParamNo = 0;\r
		}\r
	}\r
\r
	len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));\r
\r
	if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
	fnameptr += len;\r
\r
	sprintf(fnameptr, ".eml");\r
\r
	// open file\r
	f = fopen(filename, "r");\r
	if (f == NULL) {\r
		PrintAndLog("File %s not found or locked", filename);\r
		return 1;\r
	}\r
\r
	blockNum = 0;\r
	while(!feof(f)){\r
		memset(buf, 0, sizeof(buf));\r
\r
		if (fgets(buf, sizeof(buf), f) == NULL) {\r
\r
			if (blockNum >= numBlocks) break;\r
\r
			PrintAndLog("File reading error.");\r
			fclose(f);\r
			return 2;\r
		}\r
\r
		if (strlen(buf) < 32){\r
			if(strlen(buf) && feof(f))\r
				break;\r
			PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
			fclose(f);\r
			return 2;\r
		}\r
\r
		for (i = 0; i < 32; i += 2) {\r
			sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
		}\r
\r
		if (mfEmlSetMem(buf8, blockNum, 1)) {\r
			PrintAndLog("Cant set emul block: %3d", blockNum);\r
			fclose(f);\r
			return 3;\r
		}\r
		printf(".");\r
		blockNum++;\r
\r
		if (blockNum >= numBlocks) break;\r
	}\r
	fclose(f);\r
	printf("\n");\r
\r
	if ((blockNum != numBlocks)) {\r
		PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);\r
		return 4;\r
	}\r
	PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfESave(const char *Cmd)\r
{\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char * fnameptr = filename;\r
	uint8_t buf[64];\r
	int i, j, len, numBlocks;\r
	int nameParamNo = 1;\r
\r
	memset(filename, 0, sizeof(filename));\r
	memset(buf, 0, sizeof(buf));\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
\r
	if ( ctmp == 'h' || ctmp == 'H') {\r
		PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");\r
		PrintAndLog(" Usage:  hf mf esave [card memory] [file name w/o `.eml`]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf esave ");\r
		PrintAndLog("         hf mf esave 4");\r
		PrintAndLog("         hf mf esave 4 filename");\r
		return 0;\r
	}\r
\r
	switch (ctmp) {\r
		case '0' : numBlocks = 5*4; break;\r
		case '1' :\r
		case '\0': numBlocks = 16*4; break;\r
		case '2' : numBlocks = 32*4; break;\r
		case '4' : numBlocks = 256; break;\r
		default:  {\r
			numBlocks = 16*4;\r
			nameParamNo = 0;\r
		}\r
	}\r
\r
	len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));\r
\r
	if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
	// user supplied filename?\r
	if (len < 1) {\r
		// get filename (UID from memory)\r
		if (mfEmlGetMem(buf, 0, 1)) {\r
			PrintAndLog("Can\'t get UID from block: %d", 0);\r
			len = sprintf(fnameptr, "dump");\r
			fnameptr += len;\r
		}\r
		else {\r
			for (j = 0; j < 7; j++, fnameptr += 2)\r
				sprintf(fnameptr, "%02X", buf[j]);\r
		}\r
	} else {\r
		fnameptr += len;\r
	}\r
\r
	// add file extension\r
	sprintf(fnameptr, ".eml");\r
\r
	// open file\r
	f = fopen(filename, "w+");\r
\r
	if ( !f ) {\r
		PrintAndLog("Can't open file %s ", filename);\r
		return 1;\r
	}\r
\r
	// put hex\r
	for (i = 0; i < numBlocks; i++) {\r
		if (mfEmlGetMem(buf, i, 1)) {\r
			PrintAndLog("Cant get block: %d", i);\r
			break;\r
		}\r
		for (j = 0; j < 16; j++)\r
			fprintf(f, "%02X", buf[j]);\r
		fprintf(f,"\n");\r
	}\r
	fclose(f);\r
\r
	PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);\r
\r
  return 0;\r
}\r
\r
\r
int CmdHF14AMfECFill(const char *Cmd)\r
{\r
	uint8_t keyType = 0;\r
	uint8_t numSectors = 16;\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf ecfill <key A/B> [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("samples:  hf mf ecfill A");\r
		PrintAndLog("          hf mf ecfill A 4");\r
		PrintAndLog("Read card and transfer its data to emulator memory.");\r
		PrintAndLog("Keys must be laid in the emulator memory. \n");\r
		return 0;\r
	}\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (ctmp != 'A' && ctmp != 'a') keyType = 1;\r
\r
	ctmp = param_getchar(Cmd, 1);\r
	switch (ctmp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' :\r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}\r
\r
	printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);\r
	UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
int CmdHF14AMfEKeyPrn(const char *Cmd)\r
{\r
	int i;\r
	uint8_t numSectors;\r
	uint8_t data[16];\r
	uint64_t keyA, keyB;\r
\r
	if (param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("It prints the keys loaded in the emulator memory");\r
		PrintAndLog("Usage:  hf mf ekeyprn [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf ekeyprn 1");\r
		return 0;\r
	}\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
\r
	switch (cmdp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' :\r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}\r
\r
	PrintAndLog("|---|----------------|----------------|");\r
	PrintAndLog("|sec|key A           |key B           |");\r
	PrintAndLog("|---|----------------|----------------|");\r
	for (i = 0; i < numSectors; i++) {\r
		if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {\r
			PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
			break;\r
		}\r
		keyA = bytes_to_num(data, 6);\r
		keyB = bytes_to_num(data + 10, 6);\r
		PrintAndLog("|%03d|  %012" PRIx64 "  |  %012" PRIx64 "  |", i, keyA, keyB);\r
	}\r
	PrintAndLog("|---|----------------|----------------|");\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfCSetUID(const char *Cmd)\r
{\r
	uint8_t uid[8] = {0x00};\r
	uint8_t oldUid[8] = {0x00};\r
	uint8_t atqa[2] = {0x00};\r
	uint8_t sak[1] = {0x00};\r
	uint8_t atqaPresent = 0;\r
	int res;\r
\r
	uint8_t needHelp = 0;\r
	char cmdp = 1;\r
	\r
	if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) {\r
		PrintAndLog("UID must include 8 HEX symbols");\r
		return 1;\r
	}\r
\r
	if (param_getlength(Cmd, 1) > 1 && param_getlength(Cmd, 2) >  1) {\r
		atqaPresent = 1;\r
		cmdp = 3;\r
		\r
		if (param_gethex(Cmd, 1, atqa, 4)) {\r
			PrintAndLog("ATQA must include 4 HEX symbols");\r
			return 1;\r
		}\r
				\r
		if (param_gethex(Cmd, 2, sak, 2)) {\r
			PrintAndLog("SAK must include 2 HEX symbols");\r
			return 1;\r
		}\r
	}\r
\r
	while(param_getchar(Cmd, cmdp) != 0x00)\r
	{\r
		switch(param_getchar(Cmd, cmdp))\r
		{\r
		case 'h':\r
		case 'H':\r
			needHelp = 1;\r
			break;\r
		default:\r
			PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
			needHelp = 1;\r
			break;\r
		}\r
		cmdp++;\r
	}\r
\r
	if (strlen(Cmd) < 1 || needHelp) {\r
		PrintAndLog("");\r
		PrintAndLog("Usage:  hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols]");\r
		PrintAndLog("sample:  hf mf csetuid 01020304");\r
		PrintAndLog("sample:  hf mf csetuid 01020304 0004 08");\r
		PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");\r
		return 0;\r
	}\r
\r
	PrintAndLog("uid:%s", sprint_hex(uid, 4));\r
	if (atqaPresent) {\r
		PrintAndLog("--atqa:%s sak:%02x", sprint_hex(atqa, 2), sak[0]);\r
	}\r
\r
	res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid);\r
	if (res) {\r
			PrintAndLog("Can't set UID. Error=%d", res);\r
			return 1;\r
		}\r
\r
	PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));\r
	PrintAndLog("new UID:%s", sprint_hex(uid, 4));\r
	return 0;\r
}\r
\r
int CmdHF14AMfCWipe(const char *Cmd)\r
{\r
	int res, gen = 0;\r
	int numBlocks = 16 * 4;\r
	bool wipeCard = false;\r
	bool fillCard = false;\r
	\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf cwipe [card size] [w] [p]");\r
		PrintAndLog("sample:  hf mf cwipe 1 w s");\r
		PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)");\r
		PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)");\r
		return 0;\r
	}\r
\r
	gen = mfCIdentify();\r
	if ((gen != 1) && (gen != 2)) \r
		return 1;\r
	\r
	numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0));\r
\r
	char cmdp = 0;\r
	while(param_getchar(Cmd, cmdp) != 0x00){\r
		switch(param_getchar(Cmd, cmdp)) {\r
		case 'w':\r
		case 'W':\r
			wipeCard = 1;\r
			break;\r
		case 'f':\r
		case 'F':\r
			fillCard = 1;\r
			break;\r
		default:\r
			break;\r
		}\r
		cmdp++;\r
	}\r
\r
	if (!wipeCard && !fillCard) \r
		wipeCard = true;\r
\r
	PrintAndLog("--blocks count:%2d wipe:%c fill:%c", numBlocks, (wipeCard)?'y':'n', (fillCard)?'y':'n');\r
\r
	if (gen == 2) {\r
		/* generation 1b magic card */\r
		if (wipeCard) {\r
			PrintAndLog("WARNING: can't wipe magic card 1b generation");\r
		}\r
		res = mfCWipe(numBlocks, true, false, fillCard); \r
	} else {\r
		/* generation 1a magic card by default */\r
		res = mfCWipe(numBlocks, false, wipeCard, fillCard); \r
	}\r
\r
	if (res) {\r
		PrintAndLog("Can't wipe. error=%d", res);\r
		return 1;\r
	}\r
	PrintAndLog("OK");\r
	return 0;\r
}\r
\r
int CmdHF14AMfCSetBlk(const char *Cmd)\r
{\r
	uint8_t memBlock[16] = {0x00};\r
	uint8_t blockNo = 0;\r
	bool wipeCard = false;\r
	int res, gen = 0;\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf csetblk <block number> <block data (32 hex symbols)> [w]");\r
		PrintAndLog("sample:  hf mf csetblk 1 01020304050607080910111213141516");\r
		PrintAndLog("Set block data for magic Chinese card (only works with such cards)");\r
		PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");\r
		return 0;\r
	}\r
\r
	gen = mfCIdentify();\r
	if ((gen != 1) && (gen != 2)) \r
		return 1;\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	if (param_gethex(Cmd, 1, memBlock, 32)) {\r
		PrintAndLog("block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
\r
	char ctmp = param_getchar(Cmd, 2);\r
	wipeCard = (ctmp == 'w' || ctmp == 'W');\r
	PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));\r
\r
	if (gen == 2) {\r
		/* generation 1b magic card */\r
		res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);\r
	} else {\r
		/* generation 1a magic card by default */\r
		res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);\r
	}\r
\r
	if (res) {\r
		PrintAndLog("Can't write block. error=%d", res);\r
		return 1;\r
	}\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfCLoad(const char *Cmd)\r
{\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE] = {0x00};\r
	char * fnameptr = filename;\r
	char buf[256] = {0x00};\r
	uint8_t buf8[256] = {0x00};\r
	uint8_t fillFromEmulator = 0;\r
	int i, len, blockNum, flags = 0, gen = 0, numblock = 64;\r
\r
	if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {\r
		PrintAndLog("It loads magic Chinese card from the file `filename.eml`");\r
		PrintAndLog("or from emulator memory (option `e`). 4K card: (option `4`)");\r
		PrintAndLog("Usage:  hf mf cload [file name w/o `.eml`][e][4]");\r
		PrintAndLog("   or:  hf mf cload e [4]");\r
		PrintAndLog("Sample: hf mf cload filename");\r
		PrintAndLog("        hf mf cload filname 4");\r
		PrintAndLog("        hf mf cload e");\r
		PrintAndLog("        hf mf cload e 4");\r
		return 0;\r
	}\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;\r
	ctmp = param_getchar(Cmd, 1);\r
	if (ctmp == '4') numblock = 256;\r
\r
	gen = mfCIdentify();\r
	PrintAndLog("Loading magic mifare %dK", numblock == 256 ? 4:1);\r
\r
	if (fillFromEmulator) {\r
		for (blockNum = 0; blockNum < numblock; blockNum += 1) {\r
			if (mfEmlGetMem(buf8, blockNum, 1)) {\r
				PrintAndLog("Cant get block: %d", blockNum);\r
				return 2;\r
			}\r
			if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;				// switch on field and send magic sequence\r
			if (blockNum == 1) flags = 0;													// just write\r
			if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;		// Done. Magic Halt and switch off field.\r
\r
			if (gen == 2)\r
				/* generation 1b magic card */\r
				flags |= CSETBLOCK_MAGIC_1B;\r
			if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {\r
				PrintAndLog("Cant set magic card block: %d", blockNum);\r
				return 3;\r
			}\r
		}\r
		return 0;\r
	} else {\r
		param_getstr(Cmd, 0, filename, sizeof(filename));\r
\r
		len = strlen(filename);\r
		if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
		//memcpy(filename, Cmd, len);\r
		fnameptr += len;\r
\r
		sprintf(fnameptr, ".eml");\r
\r
		// open file\r
		f = fopen(filename, "r");\r
		if (f == NULL) {\r
			PrintAndLog("File not found or locked.");\r
			return 1;\r
		}\r
\r
		blockNum = 0;\r
		while(!feof(f)){\r
\r
			memset(buf, 0, sizeof(buf));\r
\r
			if (fgets(buf, sizeof(buf), f) == NULL) {\r
				fclose(f);\r
				PrintAndLog("File reading error.");\r
				return 2;\r
			}\r
\r
			if (strlen(buf) < 32) {\r
				if(strlen(buf) && feof(f))\r
					break;\r
				PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
				fclose(f);\r
				return 2;\r
			}\r
			for (i = 0; i < 32; i += 2)\r
				sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
\r
			if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;				// switch on field and send magic sequence\r
			if (blockNum == 1) flags = 0;													// just write\r
			if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;		// Done. Switch off field.\r
\r
			if (gen == 2)\r
				/* generation 1b magic card */\r
				flags |= CSETBLOCK_MAGIC_1B;\r
			if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {\r
				PrintAndLog("Can't set magic card block: %d", blockNum);\r
				fclose(f);\r
				return 3;\r
			}\r
			blockNum++;\r
\r
			if (blockNum >= numblock) break;  // magic card type - mifare 1K 64 blocks, mifare 4k 256 blocks\r
		}\r
		fclose(f);\r
\r
		//if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){\r
		if (blockNum != numblock){\r
			PrintAndLog("File content error. There must be %d blocks", numblock);\r
			return 4;\r
		}\r
		PrintAndLog("Loaded from file: %s", filename);\r
		return 0;\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfCGetBlk(const char *Cmd) {\r
	uint8_t memBlock[16];\r
	uint8_t blockNo = 0;\r
	int res, gen = 0;\r
	memset(memBlock, 0x00, sizeof(memBlock));\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf cgetblk <block number>");\r
		PrintAndLog("sample:  hf mf cgetblk 1");\r
		PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");\r
		return 0;\r
	}\r
\r
	gen = mfCIdentify();\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	PrintAndLog("--block number:%2d ", blockNo);\r
\r
	if (gen == 2) {\r
		/* generation 1b magic card */\r
		res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);\r
	} else {\r
		/* generation 1a magic card by default */\r
		res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);\r
	}\r
	if (res) {\r
			PrintAndLog("Can't read block. error=%d", res);\r
			return 1;\r
		}\r
\r
	PrintAndLog("block data:%s", sprint_hex(memBlock, 16));\r
	return 0;\r
}\r
\r
int CmdHF14AMfCGetSc(const char *Cmd) {\r
	uint8_t memBlock[16] = {0x00};\r
	uint8_t sectorNo = 0;\r
	int i, res, flags, gen = 0, baseblock = 0, sect_size = 4;\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf cgetsc <sector number>");\r
		PrintAndLog("sample:  hf mf cgetsc 0");\r
		PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");\r
		return 0;\r
	}\r
\r
	sectorNo = param_get8(Cmd, 0);\r
\r
	if (sectorNo > 39) {\r
		PrintAndLog("Sector number must be in [0..15] in MIFARE classic 1k and [0..39] in MIFARE classic 4k.");\r
		return 1;\r
	}\r
\r
	PrintAndLog("--sector number:%d ", sectorNo);\r
\r
	gen = mfCIdentify();\r
\r
	flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;\r
	if (sectorNo < 32 ) {\r
		baseblock = sectorNo * 4;\r
	} else {\r
		baseblock = 128 + 16 * (sectorNo - 32);\r
\r
	}\r
	if (sectorNo > 31) sect_size = 16;\r
\r
	for (i = 0; i < sect_size; i++) {\r
		if (i == 1) flags = 0;\r
		if (i == sect_size - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;\r
\r
		if (gen == 2)\r
			/* generation 1b magic card */\r
			flags |= CSETBLOCK_MAGIC_1B;\r
\r
		res = mfCGetBlock(baseblock + i, memBlock, flags);\r
		if (res) {\r
			PrintAndLog("Can't read block. %d error=%d", baseblock + i, res);\r
			return 1;\r
		}\r
\r
		PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));\r
	}\r
	return 0;\r
}\r
\r
\r
int CmdHF14AMfCSave(const char *Cmd) {\r
\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE] = {0x00};\r
	char * fnameptr = filename;\r
	uint8_t fillFromEmulator = 0;\r
	uint8_t buf[256] = {0x00};\r
	int i, j, len, flags, gen = 0, numblock = 64;\r
\r
	// memset(filename, 0, sizeof(filename));\r
	// memset(buf, 0, sizeof(buf));\r
\r
	if (param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");\r
		PrintAndLog("or into emulator memory (option `e`). 4K card: (option `4`)");\r
		PrintAndLog("Usage:  hf mf csave [file name w/o `.eml`][e][4]");\r
		PrintAndLog("Sample: hf mf csave ");\r
		PrintAndLog("        hf mf csave filename");\r
		PrintAndLog("        hf mf csave e");\r
		PrintAndLog("        hf mf csave 4");\r
		PrintAndLog("        hf mf csave filename 4");\r
		PrintAndLog("        hf mf csave e 4");\r
		return 0;\r
	}\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;\r
	if (ctmp == '4') numblock = 256;\r
	ctmp = param_getchar(Cmd, 1);\r
	if (ctmp == '4') numblock = 256;\r
\r
	gen = mfCIdentify();\r
	PrintAndLog("Saving magic mifare %dK", numblock == 256 ? 4:1);\r
\r
	if (fillFromEmulator) {\r
		// put into emulator\r
		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;\r
		for (i = 0; i < numblock; i++) {\r
			if (i == 1) flags = 0;\r
			if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;\r
\r
			if (gen == 2)\r
				/* generation 1b magic card */\r
				flags |= CSETBLOCK_MAGIC_1B;\r
\r
			if (mfCGetBlock(i, buf, flags)) {\r
				PrintAndLog("Cant get block: %d", i);\r
				break;\r
			}\r
\r
			if (mfEmlSetMem(buf, i, 1)) {\r
				PrintAndLog("Cant set emul block: %d", i);\r
				return 3;\r
			}\r
		}\r
		return 0;\r
	} else {\r
		param_getstr(Cmd, 0, filename, sizeof(filename));\r
\r
		len = strlen(filename);\r
		if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
		ctmp = param_getchar(Cmd, 0);\r
		if (len < 1 || (ctmp == '4')) {\r
			// get filename\r
\r
			flags = CSETBLOCK_SINGLE_OPER;\r
			if (gen == 2)\r
				/* generation 1b magic card */\r
				flags |= CSETBLOCK_MAGIC_1B;\r
			if (mfCGetBlock(0, buf, flags)) {\r
				PrintAndLog("Cant get block: %d", 0);\r
				len = sprintf(fnameptr, "dump");\r
				fnameptr += len;\r
			}\r
			else {\r
				for (j = 0; j < 7; j++, fnameptr += 2)\r
					sprintf(fnameptr, "%02x", buf[j]);\r
			}\r
		} else {\r
			//memcpy(filename, Cmd, len);\r
			fnameptr += len;\r
		}\r
\r
		sprintf(fnameptr, ".eml");\r
\r
		// open file\r
		f = fopen(filename, "w+");\r
\r
		if (f == NULL) {\r
			PrintAndLog("File not found or locked.");\r
			return 1;\r
		}\r
\r
		// put hex\r
		flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;\r
		for (i = 0; i < numblock; i++) {\r
			if (i == 1) flags = 0;\r
			if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;\r
\r
			if (gen == 2)\r
				/* generation 1b magic card */\r
				flags |= CSETBLOCK_MAGIC_1B;\r
			if (mfCGetBlock(i, buf, flags)) {\r
				PrintAndLog("Cant get block: %d", i);\r
				break;\r
			}\r
			for (j = 0; j < 16; j++)\r
				fprintf(f, "%02x", buf[j]);\r
			fprintf(f,"\n");\r
		}\r
		fclose(f);\r
\r
		PrintAndLog("Saved to file: %s", filename);\r
\r
		return 0;\r
	}\r
}\r
\r
\r
int CmdHF14AMfSniff(const char *Cmd){\r
\r
	bool wantLogToFile = 0;\r
	bool wantDecrypt = 0;\r
	//bool wantSaveToEml = 0; TODO\r
	bool wantSaveToEmlFile = 0;\r
\r
	//var\r
	int res = 0;\r
	int len = 0;\r
	int blockLen = 0;\r
	int pckNum = 0;\r
	int num = 0;\r
	uint8_t uid[7];\r
	uint8_t uid_len;\r
	uint8_t atqa[2] = {0x00};\r
	uint8_t sak;\r
	bool isTag;\r
	uint8_t *buf = NULL;\r
	uint16_t bufsize = 0;\r
	uint8_t *bufPtr = NULL;\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if ( ctmp == 'h' || ctmp == 'H' ) {\r
		PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
		PrintAndLog("You can specify:");\r
		PrintAndLog("    l - save encrypted sequence to logfile `uid.log`");\r
		PrintAndLog("    d - decrypt sequence and put it to log file `uid.log`");\r
		PrintAndLog(" n/a   e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
		PrintAndLog("    f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
		PrintAndLog("Usage:  hf mf sniff [l][d][e][f]");\r
		PrintAndLog("  sample: hf mf sniff l d e");\r
		return 0;\r
	}\r
\r
	for (int i = 0; i < 4; i++) {\r
		ctmp = param_getchar(Cmd, i);\r
		if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;\r
		if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;\r
		//if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO\r
		if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;\r
	}\r
\r
	printf("-------------------------------------------------------------------------\n");\r
	printf("Executing command. \n");\r
	printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");\r
	printf("Press the key on pc keyboard to abort the client.\n");\r
	printf("-------------------------------------------------------------------------\n");\r
\r
	UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
\r
	// wait cycle\r
	while (true) {\r
		printf(".");\r
		fflush(stdout);\r
		if (ukbhit()) {\r
			getchar();\r
			printf("\naborted via keyboard!\n");\r
			break;\r
		}\r
\r
		UsbCommand resp;\r
		if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {\r
			res = resp.arg[0] & 0xff;\r
			uint16_t traceLen = resp.arg[1];\r
			len = resp.arg[2];\r
\r
			if (res == 0) {								// we are done\r
				free(buf);\r
				return 0;\r
			}\r
\r
			if (res == 1) {								// there is (more) data to be transferred\r
				if (pckNum == 0) {						// first packet, (re)allocate necessary buffer\r
					if (traceLen > bufsize || buf == NULL) {\r
						uint8_t *p;\r
						if (buf == NULL) {				// not yet allocated\r
							p = malloc(traceLen);\r
						} else {						// need more memory\r
							p = realloc(buf, traceLen);\r
						}\r
						if (p == NULL) {\r
							PrintAndLog("Cannot allocate memory for trace");\r
							free(buf);\r
							return 2;\r
						}\r
						buf = p;\r
					}\r
					bufPtr = buf;\r
					bufsize = traceLen;\r
					memset(buf, 0x00, traceLen);\r
				}\r
				memcpy(bufPtr, resp.d.asBytes, len);\r
				bufPtr += len;\r
				pckNum++;\r
			}\r
\r
			if (res == 2) {								// received all data, start displaying\r
				blockLen = bufPtr - buf;\r
				bufPtr = buf;\r
				printf(">\n");\r
				PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
				while (bufPtr - buf < blockLen) {\r
					bufPtr += 6;						// skip (void) timing information\r
					len = *((uint16_t *)bufPtr);\r
					if(len & 0x8000) {\r
						isTag = true;\r
						len &= 0x7fff;\r
					} else {\r
						isTag = false;\r
					}\r
					bufPtr += 2;\r
					if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
						memcpy(uid, bufPtr + 2, 7);\r
						memcpy(atqa, bufPtr + 2 + 7, 2);\r
						uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r
						sak = bufPtr[11];\r
						PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",\r
							sprint_hex(uid + (7 - uid_len), uid_len),\r
							atqa[1],\r
							atqa[0],\r
							sak);\r
						if (wantLogToFile || wantDecrypt) {\r
							FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);\r
							AddLogCurrentDT(logHexFileName);\r
						}\r
						if (wantDecrypt)\r
							mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
					} else {\r
						PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));\r
						if (wantLogToFile)\r
							AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
						if (wantDecrypt)\r
							mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
						num++;\r
					}\r
					bufPtr += len;\r
					bufPtr += ((len-1)/8+1);	// ignore parity\r
				}\r
				pckNum = 0;\r
			}\r
		} // resp not NULL\r
	} // while (true)\r
\r
	free(buf);\r
	return 0;\r
}\r
\r
//needs nt, ar, at, Data to decrypt\r
int CmdDecryptTraceCmds(const char *Cmd){\r
	uint8_t data[50];\r
	int len = 0;\r
	param_gethex_ex(Cmd,3,data,&len);\r
	return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);\r
}\r
\r
static command_t CommandTable[] =\r
{\r
  {"help",             CmdHelp,                 1, "This help"},\r
  {"dbg",              CmdHF14AMfDbg,           0, "Set default debug mode"},\r
  {"rdbl",             CmdHF14AMfRdBl,          0, "Read MIFARE classic block"},\r
  {"rdsc",             CmdHF14AMfRdSc,          0, "Read MIFARE classic sector"},\r
  {"dump",             CmdHF14AMfDump,          0, "Dump MIFARE classic tag to binary file"},\r
  {"restore",  	       CmdHF14AMfRestore,       0, "Restore MIFARE classic binary file to BLANK tag"},\r
  {"wrbl",             CmdHF14AMfWrBl,          0, "Write MIFARE classic block"},\r
  {"chk",              CmdHF14AMfChk,           0, "Test block keys"},\r
  {"mifare",           CmdHF14AMifare,          0, "Read parity error messages."},\r
  {"hardnested",       CmdHF14AMfNestedHard,    0, "Nested attack for hardened Mifare cards"},\r
  {"nested",           CmdHF14AMfNested,        0, "Test nested authentication"},\r
  {"sniff",            CmdHF14AMfSniff,         0, "Sniff card-reader communication"},\r
  {"sim",              CmdHF14AMf1kSim,         0, "Simulate MIFARE card"},\r
  {"eclr",             CmdHF14AMfEClear,        0, "Clear simulator memory block"},\r
  {"eget",             CmdHF14AMfEGet,          0, "Get simulator memory block"},\r
  {"eset",             CmdHF14AMfESet,          0, "Set simulator memory block"},\r
  {"eload",            CmdHF14AMfELoad,         0, "Load from file emul dump"},\r
  {"esave",            CmdHF14AMfESave,         0, "Save to file emul dump"},\r
  {"ecfill",           CmdHF14AMfECFill,        0, "Fill simulator memory with help of keys from simulator"},\r
  {"ekeyprn",          CmdHF14AMfEKeyPrn,       0, "Print keys from simulator memory"},\r
  {"cwipe",            CmdHF14AMfCWipe,         0, "Wipe magic Chinese card"},\r
  {"csetuid",          CmdHF14AMfCSetUID,       0, "Set UID for magic Chinese card"},\r
  {"csetblk",          CmdHF14AMfCSetBlk,       0, "Write block - Magic Chinese card"},\r
  {"cgetblk",          CmdHF14AMfCGetBlk,       0, "Read block - Magic Chinese card"},\r
  {"cgetsc",           CmdHF14AMfCGetSc,        0, "Read sector - Magic Chinese card"},\r
  {"cload",            CmdHF14AMfCLoad,         0, "Load dump into magic Chinese card"},\r
  {"csave",            CmdHF14AMfCSave,         0, "Save dump from magic Chinese card into file or emulator"},\r
  {"decrypt",          CmdDecryptTraceCmds,     1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r
  {NULL,               NULL,                    0, NULL}\r
};\r
\r
int CmdHFMF(const char *Cmd)\r
{\r
	// flush\r
	WaitForResponseTimeout(CMD_ACK,NULL,100);\r
\r
  CmdsParse(CommandTable, Cmd);\r
  return 0;\r
}\r
\r
int CmdHelp(const char *Cmd)\r
{\r
  CmdsHelp(CommandTable);\r
  return 0;\r
}\r