X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c188b1b9b24b65a60c594364b474edba7c4ab8a2..5ebcb867a3552a36953b36653b67d4e83e5a9ab3:/armsrc/mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index be25273d..0443c1f1 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -18,6 +18,7 @@
 #include "util.h"
 #include "crc.h"
 #include "protocols.h"
+#include "parity.h"
 
 //-----------------------------------------------------------------------------
 // Select, Authenticate, Read a MIFARE tag. 
@@ -33,9 +34,9 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	
 	// variables
 	byte_t isOK = 0;
-	byte_t dataoutbuf[16];
-	uint8_t uid[10];
-	uint32_t cuid;
+	byte_t dataoutbuf[16] = {0x00};
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
@@ -192,8 +193,8 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	// variables
 	byte_t isOK = 0;
 	byte_t dataoutbuf[16 * 16];
-	uint8_t uid[10];
-	uint32_t cuid;
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
@@ -351,15 +352,15 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	uint8_t blockNo = arg0;
 	uint8_t keyType = arg1;
 	uint64_t ui64Key = 0;
-	byte_t blockdata[16];
+	byte_t blockdata[16] = {0x00};
 
 	ui64Key = bytes_to_num(datain, 6);
 	memcpy(blockdata, datain + 10, 16);
 	
 	// variables
 	byte_t isOK = 0;
-	uint8_t uid[10];
-	uint32_t cuid;
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
@@ -591,9 +592,9 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
 
 // Return 1 if the nonce is invalid else return 0
 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
-	return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
-	(oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
-	(oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
+	return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
+	(oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
+	(oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
 }
 
 
@@ -606,18 +607,18 @@ int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
 void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)
 {
 	uint64_t ui64Key = 0;
-	uint8_t uid[10];
-	uint32_t cuid;
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0;
 	uint8_t cascade_levels = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
-	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
 	int16_t isOK = 0;
-	uint8_t par_enc[1];
+	uint8_t par_enc[1] = {0x00};
 	uint8_t nt_par_enc = 0;
-	uint8_t buf[USB_CMD_DATA_SIZE];
-	uint32_t timeout;
+	uint8_t buf[USB_CMD_DATA_SIZE] = {0x00};
+	uint32_t timeout = 0;
 	
 	uint8_t blockNo = arg0 & 0xff;
 	uint8_t keyType = (arg0 >> 8) & 0xff;
@@ -746,19 +747,19 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 	
 	// variables
 	uint16_t rtr, i, j, len;
-	uint16_t davg;
+	uint16_t davg = 0;
 	static uint16_t dmin, dmax;
-	uint8_t uid[10];
-	uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
-	uint8_t par[1];
-	uint32_t target_nt[2], target_ks[2];
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0, nt1, nt2, nttmp, nttest, ks1;
+	uint8_t par[1] = {0x00};
+	uint32_t target_nt[2] = {0x00}, target_ks[2] = {0x00};
 	
-	uint8_t par_array[4];
+	uint8_t par_array[4] = {0x00};
 	uint16_t ncount = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
-	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
+	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
 
 	uint32_t auth1_time, auth2_time;
 	static uint16_t delta_time;
@@ -897,7 +898,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 			
 			// Parity validity check
 			for (j = 0; j < 4; j++) {
-				par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
+				par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
 			}
 			
 			ncount = 0;
@@ -966,8 +967,8 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	// variables
 	int i;
 	byte_t isOK = 0;
-	uint8_t uid[10];
-	uint32_t cuid;
+	uint8_t uid[10] = {0x00};
+	uint32_t cuid = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
@@ -1042,13 +1043,13 @@ void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
 
 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-	//emlSetMem(datain, arg0, arg1); // data, block num, blocks count	 
+	if (arg2==0) arg2 = 16; // backwards compat... default bytewidth
 	emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width
 }
 
 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
 	FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-	byte_t buf[USB_CMD_DATA_SIZE];
+	byte_t buf[USB_CMD_DATA_SIZE] = {0x00};
 	emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
 
 	LED_B_ON();
@@ -1064,15 +1065,15 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 	uint8_t numSectors = arg0;
 	uint8_t keyType = arg1;
 	uint64_t ui64Key = 0;
-	uint32_t cuid;
+	uint32_t cuid = 0;
 	struct Crypto1State mpcs = {0, 0};
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
 
 	// variables
-	byte_t dataoutbuf[16];
-	byte_t dataoutbuf2[16];
-	uint8_t uid[10];
+	byte_t dataoutbuf[16] = {0x00};
+	byte_t dataoutbuf2[16] = {0x00};
+	uint8_t uid[10] = {0x00};
 
 	LED_A_ON();
 	LED_B_OFF();
@@ -1110,7 +1111,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 				isOK = false;
 				if (MF_DBGLEVEL >= 1)	Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
 				break;
-			};
+			}
 			if (isOK) {
 				if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
 					emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
@@ -1124,9 +1125,9 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 
 	}
 
-	if(mifare_classic_halt(pcs, cuid)) {
-		if (MF_DBGLEVEL >= 1)	Dbprintf("Halt error");
-	};
+	if(mifare_classic_halt(pcs, cuid))
+		if (MF_DBGLEVEL >= 1)
+			Dbprintf("Halt error");
 
 	//  ----------------------------- crypto1 destroy
 	crypto1_destroy(pcs);
@@ -1168,7 +1169,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 	// variables
 	uint8_t uid[10] = {0x00};
 	uint8_t data[18] = {0x00};
-	uint32_t cuid;
+	uint32_t cuid = 0;
 	
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
@@ -1186,8 +1187,8 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 		if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("Can't select card");
 			OnErrorMagic(MAGIC_UID);
-		};
-	};
+		}
+	}
 	
 	// wipe tag, fill it with zeros
 	if (workFlags & MAGIC_WIPE){
@@ -1195,14 +1196,14 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wupC1 error");
 			OnErrorMagic(MAGIC_WIPE);
-		};
+		}
 
 		ReaderTransmit(wipeC, sizeof(wipeC), NULL);
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wipeC error");
 			OnErrorMagic(MAGIC_WIPE);
-		};
-	};	
+		}
+	}	
 
 	// write block
 	if (workFlags & MAGIC_WUPC) {
@@ -1210,19 +1211,19 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wupC1 error");
 			OnErrorMagic(MAGIC_WUPC);
-		};
+		}
 
 		ReaderTransmit(wupC2, sizeof(wupC2), NULL);
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wupC2 error");
 			OnErrorMagic(MAGIC_WUPC);
-		};
+		}
 	}
 
 	if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("write block send command error");
 		OnErrorMagic(4);
-	};
+	}
 	
 	memcpy(data, datain, 16);
 	AppendCrc14443a(data, 16);
@@ -1231,7 +1232,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 	if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("write block send data error");
 		OnErrorMagic(0);
-	};	
+	}	
 	
 	if (workFlags & MAGIC_OFF) 
 		mifare_classic_halt_ex(NULL);
@@ -1270,20 +1271,20 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");
 			OnErrorMagic(MAGIC_WUPC);
-		};
+		}
 
 		ReaderTransmit(wupC2, sizeof(wupC2), NULL);
 		if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 			if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");
 			OnErrorMagic(MAGIC_WUPC);
-		};
+		}
 	}
 
 	// read block		
 	if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");
 		OnErrorMagic(0);
-	};
+	}
 	
 	memcpy(data, receivedAnswer, sizeof(data));
 	
@@ -1308,19 +1309,19 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 void MifareCIdent(){
 	
 	// variables
-	byte_t isOK = 1;	
-	uint8_t receivedAnswer[1];
-	uint8_t receivedAnswerPar[1];
+	bool isOK = true;	
+	uint8_t receivedAnswer[1] = {0x00};
+	uint8_t receivedAnswerPar[1] = {0x00};
 
 	ReaderTransmitBitsPar(wupC1,7,0, NULL);
 	if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-		isOK = 0;
-	};
+		isOK = false;
+	}
 
 	ReaderTransmit(wupC2, sizeof(wupC2), NULL);
 	if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
-		isOK = 0;
-	};
+		isOK = false;
+	}
 
 	// removed the if,  since some magic tags misbehavies and send an answer to it.
 	mifare_classic_halt(NULL, 0);
@@ -1347,9 +1348,9 @@ void MifareCollectNonces(uint32_t arg0, uint32_t arg1){
 
 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
 
-	byte_t dataout[11] = {0x00};
+	byte_t dataout[12] = {0x00};
 	uint8_t uid[10] = {0x00};
-	uint32_t cuid = 0x00;
+	uint32_t cuid = 0;
     
 	iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
 	clear_trace();