X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f885043422facc34eb6a5b3c3767f8ac25338157..3acac886bc2e0b89723673968af21984aa15a073:/client/cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 28149eff..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);
@@ -1491,7 +1490,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
 				if (!p) {
 					PrintAndLog("Cannot allocate memory for defaultKeys");
 					free(keyBlock);
-					fclose(f);
+					if (f) {
+						fclose(f);
+						f = NULL;
+					}
 					return 2;
 				}
 				keyBlock = p;
@@ -1502,8 +1504,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
 			keycnt++;
 			memset(buf, 0, sizeof(buf));
 		}		
-		fclose(f);
-		
+		if (f) {
+			fclose(f);
+			f = NULL;
+		}
 		if (keycnt == 0) {
 			PrintAndLog("No keys found in file");
 			free(keyBlock);
@@ -1514,7 +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;
@@ -1526,8 +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);
@@ -1535,7 +1544,6 @@ int CmdT55xxBruteForce(const char *Cmd) {
 			}
 			
 			found = tryDetectModulation();
-
 			if ( found ) {
 				PrintAndLog("Found valid password: [%08X]", testpwd);
 				free(keyBlock);
@@ -1605,7 +1613,8 @@ int tryOnePassword(uint32_t password) {
 
 	if (tryDetectModulation())
 		return 1;
-	else return 0;
+	else 
+		return 0;
 }
 
 int CmdT55xxRecoverPW(const char *Cmd) {