From 8cdf15c2b3b83ef3f6bbb11f5921b69efce69fe9 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Mon, 19 Dec 2016 14:55:58 +0100
Subject: [PATCH] CHG: 'lf awid brute' - extra check if device gotten offline
 CHG: 'lf t55x7 brute' - extra check if device gotten offline CHG: 'lf nedap'
 - Nedap is supposed to be Diphase.

---
 client/cmdlfhid.c   |  4 ++--
 client/cmdlfnedap.c | 13 +++++++------
 client/cmdlft55xx.c | 18 +++++++++++-------
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c
index 11d996b7..d4fd1522 100644
--- a/client/cmdlfhid.c
+++ b/client/cmdlfhid.c
@@ -127,7 +127,7 @@ int CmdHIDSim(const char *Cmd) {
 
 int CmdHIDClone(const char *Cmd) {
 	
-	unsigned int hi2 = 0, hi = 0, lo = 0;
+	uint32_t hi2 = 0, hi = 0, lo = 0;
 	int n = 0, i = 0;
 	UsbCommand c;
 
@@ -482,7 +482,7 @@ static command_t CommandTable[] = {
 	{"fskdemod",CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
 	{"sim",     CmdHIDSim,      0, "HID tag simulator"},
 	{"clone",   CmdHIDClone,    0, "Clone HID to T55x7"},
-	{"wiegand", CmdHIDWiegand,  0, "Convert facility code/card number to Wiegand code"},
+	{"wiegand", CmdHIDWiegand,  1, "Convert facility code/card number to Wiegand code"},
 	{"brute",   CmdHIDBrute,	0, "Bruteforce card number against reader"},
 	{NULL, NULL, 0, NULL}
 };
diff --git a/client/cmdlfnedap.c b/client/cmdlfnedap.c
index 1b745a11..61dab8a4 100644
--- a/client/cmdlfnedap.c
+++ b/client/cmdlfnedap.c
@@ -226,13 +226,14 @@ int CmdLFNedapClone(const char *Cmd) {
 		return 1;
 	}	
 
-	((ASK/biphase   data rawdemod ab 0 64 1 0
-	//NEDAP - compat mode, ASK/Biphase, data rate 64, 4 data blocks
-	blocks[0] = T55x7_MODULATION_BIPHASE | T55x7_BITRATE_RF_64 | 4<<T55x7_MAXBLOCK_SHIFT;
+	((ASK/DIphase   data rawdemod ab 0 64 1 0
+	//NEDAP - compat mode, ASK/DIphase, data rate 64, 4 data blocks
+	// DI-pahse (CDP) T55x7_MODULATION_DIPHASE
+	blocks[0] = T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_64 | 7<<T55x7_MAXBLOCK_SHIFT;
 
 	if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
 		//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
-		blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | 64<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT;
+		blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | 64<<T5555_BITRATE_SHIFT | 7<<T5555_MAXBLOCK_SHIFT;
 
 	blocks[1] = bytebits_to_byte(bs,32);
 	blocks[2] = bytebits_to_byte(bs+32,32);
@@ -273,7 +274,7 @@ int CmdLFNedapSim(const char *Cmd) {
 	size_t size = sizeof(bs);
 	memset(bs, 0x00, size);
 	
-	// NEDAP,  Bihase = 2, clock 64, inverted, 
+	// NEDAP,  Biphase = 2, clock 64, inverted,  (DIPhase == inverted BIphase
 	uint8_t encoding = 2, separator = 0, clk=64, invert=1;
 	uint16_t arg1, arg2;
 	arg1 = clk << 8 | encoding;
@@ -312,7 +313,7 @@ int CmdLFNedapChk(const char *Cmd){
     uint8_t cl = 0x1D, ch = 0x1D, carry = 0;
     uint8_t al, bl, temp;
     
-	for (int i = 0; i < len; ++i){
+	for (int i = len; i >=0; --i){
 		al = data[i];
         for (int j = 8; j > 0; --j) {
 			
diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index f28f84ce..25b9ba27 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -1463,8 +1463,7 @@ int CmdT55xxBruteForce(const char *Cmd) {
 		if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
 		memcpy(filename, Cmd+2, len);
 	
-		FILE * f = fopen( filename , "r");
-		
+		FILE * f = fopen( filename , "r");		
 		if ( !f ) {
 			PrintAndLog("File: %s: not found or locked.", filename);
 			free(keyBlock);
@@ -1519,7 +1518,13 @@ int CmdT55xxBruteForce(const char *Cmd) {
 		// loop
 		uint64_t testpwd = 0x00;
 		for (uint16_t c = 0; c < keycnt; ++c ) {
-	
+
+			if ( offline ) {
+				printf("Device offline\n");
+				free(keyBlock);
+				return  2;
+			}
+		
 			if (ukbhit()) {
 				ch = getchar();
 				(void)ch;
@@ -1531,8 +1536,7 @@ int CmdT55xxBruteForce(const char *Cmd) {
 			testpwd = bytes_to_num(keyBlock + 4*c, 4);
 
 			PrintAndLog("Testing %08X", testpwd);
-			
-			
+						
 			if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
 				PrintAndLog("Aquireing data from device failed. Quitting");
 				free(keyBlock);
@@ -1540,7 +1544,6 @@ int CmdT55xxBruteForce(const char *Cmd) {
 			}
 			
 			found = tryDetectModulation();
-
 			if ( found ) {
 				PrintAndLog("Found valid password: [%08X]", testpwd);
 				free(keyBlock);
@@ -1610,7 +1613,8 @@ int tryOnePassword(uint32_t password) {
 
 	if (tryDetectModulation())
 		return 1;
-	else return 0;
+	else 
+		return 0;
 }
 
 int CmdT55xxRecoverPW(const char *Cmd) {
-- 
2.39.5