X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6ca1477c746fbf310e7c246ac18d6d4c46f026f8..7f0d5926362d50ed01ea04af95a1e03777fce47c:/client/util.c

diff --git a/client/util.c b/client/util.c
index 32c06e91..e5cbc4aa 100644
--- a/client/util.c
+++ b/client/util.c
@@ -23,7 +23,7 @@ int ukbhit(void)
   static struct termios Otty, Ntty;
 
 
-  tcgetattr( 0, &Otty);
+  if ( tcgetattr( 0, &Otty) == -1 ) return -1;
   Ntty = Otty;
 
   Ntty.c_iflag          = 0;       /* input mode                */
@@ -140,8 +140,9 @@ 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++) {
-		// set character
-		sprintf(tmp++, "%u", data[in_index]);
+		// set character - (should be binary but verify it isn't more than 1 digit)
+		if (data[in_index]<10)
+			sprintf(tmp++, "%u", data[in_index]);
 		// 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
@@ -497,3 +498,13 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) {
 int32_t le24toh (uint8_t data[3]) {
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }
+
+// 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++) {
+        data[i] = data[i+1];
+    }
+    data[len-1] = first;
+}