ADD: added a CRC64_ECMA implementation

[proxmark3-svn] / client / loclass / fileutils.c

diff --git a/client/loclass/fileutils.c b/client/loclass/fileutils.c
index 08e1c1a798ce6eb18bd49fb642674af76f61b0b0..e5e5c5b0569270c422c53e83078d738a64f9e106 100644 (file)
--- a/client/loclass/fileutils.c
+++ b/client/loclass/fileutils.c
@@ -1,3 +1,42 @@
+/*****************************************************************************
+ * WARNING
+ *
+ * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. 
+ * 
+ * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL 
+ * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, 
+ * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. 
+ * 
+ * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. 
+ *
+ *****************************************************************************
+ *
+ * This file is part of loclass. It is a reconstructon of the cipher engine
+ * used in iClass, and RFID techology.
+ *
+ * The implementation is based on the work performed by
+ * Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
+ * Milosch Meriac in the paper "Dismantling IClass".
+ *
+ * Copyright (C) 2014 Martin Holst Swende
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with loclass.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * 
+ * 
+ ****************************************************************************/
+#ifndef ON_DEVICE
+
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -11,14 +50,20 @@
  * @return
  */
 int fileExists(const char *filename) {
-       struct _stat fileStat;
-       int result = _stat(filename, &fileStat);
+
+#ifdef _WIN32
+       struct _stat st;
+       int result = _stat(filename, &st);
+#else
+       struct stat st;
+       int result = stat(filename, &st);
+#endif
        return result == 0;
 }
 
 int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen)
 {
-       int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+5);
+       int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+10);
        char * fileName = malloc(size);
 
        memset(fileName,0,size);
@@ -35,6 +80,7 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
        FILE *fileHandle=fopen(fileName,"wb");
        if(!fileHandle) {
                prnlog("Failed to write to file '%s'", fileName);
+               free(fileName);
                return 1;
        }
        fwrite(data, 1, datalen, fileHandle);
@@ -55,11 +101,18 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
  */
 void prnlog(char *fmt, ...)
 {
-
+       char buffer[2048] = {0};
        va_list args;
        va_start(args,fmt);
-    PrintAndLog(fmt, args);
-    //vprintf(fmt,args);
+       vsprintf (buffer,fmt, args);
        va_end(args);
-    //printf("\n");
+       PrintAndLog(buffer);
+
 }
+#else //if we're on ARM
+void prnlog(char *fmt,...)
+{
+       return;
+}
+
+#endif