X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/508b37ba9ce74eed6553ce59deb79f49b5311d11..6f79363dba7882b00544625b730109bdb9f96c8d:/client/util.c

diff --git a/client/util.c b/client/util.c
index de1cbe94..9d4c83ee 100644
--- a/client/util.c
+++ b/client/util.c
@@ -21,14 +21,14 @@ int ukbhit(void)
   int error;
   static struct termios Otty, Ntty;
 
-  tcgetattr( 0, &Otty);
+  if ( tcgetattr( 0, &Otty) == -1) return -1;
   Ntty = Otty;
 
-  Ntty.c_iflag          = 0;       /* input mode                */
-  Ntty.c_oflag          = 0;       /* output mode               */
-  Ntty.c_lflag         &= ~ICANON; /* raw mode */
-  Ntty.c_cc[VMIN]       = CMIN;    /* minimum time to wait      */
-  Ntty.c_cc[VTIME]      = CTIME;   /* minimum characters to wait for */
+  Ntty.c_iflag		= 0;       /* input mode                */
+  Ntty.c_oflag		= 0;       /* output mode               */
+  Ntty.c_lflag		&= ~ICANON; /* raw mode */
+  Ntty.c_cc[VMIN]	= CMIN;    /* minimum time to wait      */
+  Ntty.c_cc[VTIME]	= CTIME;   /* minimum characters to wait for */
 
   if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) {
     error += ioctl(0, FIONREAD, &cnt);
@@ -137,10 +137,10 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
 
 	size_t in_index = 0;
 	// loop through the out_index to make sure we don't go too far
-	for (size_t out_index=0; out_index < max_len; out_index++) {
+	for (size_t out_index=0; out_index < max_len-2; out_index++) {
 		// set character
 		sprintf(tmp++, "%u", data[in_index]);
-		// check if a line break is needed
+		// check if a line break is needed and we have room to print it in our array
 		if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 != max_len) ) {
 			// increment and print line break
 			out_index++;
@@ -194,8 +194,7 @@ void num_to_bytebits(uint64_t	n, size_t len, uint8_t *dest) {
 // hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
 // up to 64 bytes or 512 bits
 uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize){
-	static uint8_t buf[64];
-	//uint8_t buf[64];
+	uint8_t buf[64];
 	memset(buf, 0x00, 64);
 	uint8_t *tmp = buf;
 	for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
@@ -206,6 +205,15 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
 	return tmp;
 }
 
+void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest){
+	for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
+		for (size_t i = 0; i < blockSize; i++){
+			dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
+		}
+	}
+}
+
+
 //  -------------------------------------------------------------------------
 //  string parameters lib
 //  -------------------------------------------------------------------------
@@ -455,11 +463,9 @@ void binarraytobinstring(char *target, char *source,  int length)
 uint8_t GetParity( uint8_t *bits, uint8_t type, int length)
 {
     int x;
-
-    for(x= 0 ; length > 0 ; --length)
+    for( x = 0 ; length > 0 ; --length)
         x += bits[length - 1];
     x %= 2;
-
     return x ^ type;
 }
 
@@ -495,7 +501,8 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits) {
 	return tmp;
 }
 
-// RotateLeft - Ultralight, Desfire
+// RotateLeft - Ultralight, Desfire, works on byte level
+// 00-01-02  >> 01-02-00
 void rol(uint8_t *data, const size_t len){
     uint8_t first = data[0];
     for (size_t i = 0; i < len-1; i++) {