NEW: HF MFU SETPWD - set password to a Ultralight C tag.

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index a077aae9020ba053f74c7d52e5e5fc82df4a32d2..edd9aebce96dec0a3de08dc7ad68798a9a8a0aaf 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -46,12 +46,18 @@ int ukbhit(void) {
 #endif
 
 // log files functions
-void AddLogLine(char *fileName, char *extData, char *c) {
+void AddLogLine(char *file, char *extData, char *c) {
        FILE *fLog = NULL;
-
-       fLog = fopen(fileName, "a");
+    char filename[FILE_PATH_SIZE] = {0x00};
+    int len = 0;
+
+    len = strlen(file);
+    if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+    memcpy(filename, file, len);
+   
+       fLog = fopen(filename, "a");
        if (!fLog) {
-               printf("Could not append log file %s", fileName);
+               printf("Could not append log file %s", filename);
                return;
        }
 
@@ -103,11 +109,13 @@ void print_hex(const uint8_t * data, const size_t len)
 }
 
 char * sprint_hex(const uint8_t * data, const size_t len) {
+       
+       int maxLen = ( len > 1024/3) ? 1024/3 : len;
        static char buf[1024];
        char * tmp = buf;
        size_t i;
 
-       for (i=0; i < len && i < 1024/3; i++, tmp += 3)
+       for (i=0; i < maxLen; ++i, tmp += 3)
                sprintf(tmp, "%02x ", data[i]);
 
        return buf;
@@ -205,6 +213,7 @@ int param_getptr(const char *line, int *bg, int *en, int paramnum)
        return 0;
 }
 
+
 char param_getchar(const char *line, int paramnum)
 {
        int bg, en;
@@ -219,6 +228,35 @@ uint8_t param_get8(const char *line, int paramnum)
        return param_get8ex(line, paramnum, 10, 0);
 }
 
+/**
+ * @brief Reads a decimal integer (actually, 0-254, not 255)
+ * @param line
+ * @param paramnum
+ * @return -1 if error
+ */
+uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination)
+{
+       uint8_t val =  param_get8ex(line, paramnum, 255, 10);
+       if( (int8_t) val == -1) return 1;
+       (*destination) = val;
+       return 0;
+}
+/**
+ * @brief Checks if param is decimal
+ * @param line
+ * @param paramnum
+ * @return
+ */
+uint8_t param_isdec(const char *line, int paramnum)
+{
+       int bg, en;
+       //TODO, check more thorougly
+       if (!param_getptr(line, &bg, &en, paramnum)) return 1;
+               //              return strtoul(&line[bg], NULL, 10) & 0xff;
+
+       return 0;
+}
+
 uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base)
 {
        int bg, en;