X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/051643995984009593bcb8180ff9f9d570af7df5..c71f4da9bc3d8207e8308e3212345eb578e1a08f:/client/util.c
diff --git a/client/util.c b/client/util.c
index ce5d9f16..99a26a40 100644
--- a/client/util.c
+++ b/client/util.c
@@ -9,6 +9,7 @@
//-----------------------------------------------------------------------------
#include "util.h"
+#include "proxmark3.h"
#define MAX_BIN_BREAK_LENGTH (3072+384+1)
#ifndef _WIN32
@@ -47,7 +48,7 @@ int ukbhit(void) {
// log files functions
void AddLogLine(char *file, char *extData, char *c) {
- FILE *fLog = NULL;
+ FILE *f = NULL;
char filename[FILE_PATH_SIZE] = {0x00};
int len = 0;
@@ -55,15 +56,16 @@ void AddLogLine(char *file, char *extData, char *c) {
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
memcpy(filename, file, len);
- fLog = fopen(filename, "a");
- if (!fLog) {
+ f = fopen(filename, "a");
+ if (!f) {
printf("Could not append log file %s", filename);
return;
}
- fprintf(fLog, "%s", extData);
- fprintf(fLog, "%s\n", c);
- fclose(fLog);
+ fprintf(f, "%s", extData);
+ fprintf(f, "%s\n", c);
+ fflush(f);
+ fclose(f);
}
void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len){
@@ -71,28 +73,33 @@ void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t
}
void AddLogUint64(char *fileName, char *extData, const uint64_t data) {
- char buf[100] = {0};
- sprintf(buf, "%x%x", (unsigned int)((data & 0xFFFFFFFF00000000) >> 32), (unsigned int)(data & 0xFFFFFFFF));
+ char buf[20] = {0};
+ memset(buf, 0x00, sizeof(buf));
+ //sprintf(buf, "%X%X", (unsigned int)((data & 0xFFFFFFFF00000000) >> 32), (unsigned int)(data & 0xFFFFFFFF));
+ sprintf(buf, "%012"llx"", data);
AddLogLine(fileName, extData, buf);
}
void AddLogCurrentDT(char *fileName) {
- char buff[20];
+ char buf[20];
+ memset(buf, 0x00, sizeof(buf));
struct tm *curTime;
-
time_t now = time(0);
curTime = gmtime(&now);
-
- strftime (buff, sizeof(buff), "%Y-%m-%d %H:%M:%S", curTime);
- AddLogLine(fileName, "\nanticollision: ", buff);
+ strftime (buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", curTime);
+ AddLogLine(fileName, "\nanticollision: ", buf);
}
-void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) {
+void FillFileNameByUID(char *fileName, uint8_t *uid, char *ext, int byteCount) {
+ if ( fileName == NULL || uid == NULL || ext == NULL ){
+ printf("error: parameter is NULL\n");
+ return;
+ }
char * fnameptr = fileName;
- memset(fileName, 0x00, 200);
+ memset(fileName, 0x00, FILE_PATH_SIZE);
for (int j = 0; j < byteCount; j++, fnameptr += 2)
- sprintf(fnameptr, "%02x", uid[j]);
+ sprintf(fnameptr, "%02X", uid[j]);
sprintf(fnameptr, "%s", ext);
}
@@ -103,6 +110,7 @@ void print_hex(const uint8_t * data, const size_t len) {
printf("%02x ", data[i]);
printf("\n");
}
+
void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
int rownum = 0;
@@ -130,13 +138,14 @@ char *sprint_hex(const uint8_t *data, const size_t len) {
for (i=0; i < maxLen; ++i, tmp += 3)
sprintf(tmp, "%02X ", data[i]);
-
return buf;
}
char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) {
+
// make sure we don't go beyond our char array memory
- int max_len;
+ size_t in_index = 0, out_index = 0;
+ int max_len;
if (breaks==0)
max_len = ( len > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len;
else
@@ -147,9 +156,8 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
memset(buf, 0x00, sizeof(buf));
char *tmp = buf;
- 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-2; out_index++) {
+ for (out_index=0; out_index < max_len-2; out_index++) {
// set character
sprintf(tmp++, "%u", (unsigned int) data[in_index]);
// check if a line break is needed and we have room to print it in our array
@@ -157,10 +165,11 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
// increment and print line break
out_index++;
sprintf(tmp++, "%s","\n");
- }
+ }
in_index++;
}
-
+ // last char.
+ sprintf(tmp++, "%u", (unsigned int) data[in_index]);
return buf;
}
@@ -176,6 +185,7 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
sprintf(tmp, "%s| %s", sprint_hex(data, max_len) , data);
return buf;
}
+
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
{
while (len--) {
@@ -195,12 +205,21 @@ uint64_t bytes_to_num(uint8_t* src, size_t len)
return num;
}
-void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) {
+// takes a number (uint64_t) and creates a binarray in dest.
+void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) {
while (len--) {
dest[len] = n & 1;
n >>= 1;
}
}
+//least significant bit first
+void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest) {
+ for(int i = 0 ; i < len ; ++i) {
+ dest[i] = n & 1;
+ n >>= 1;
+ }
+}
+
// aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
// to
@@ -218,6 +237,8 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
return tmp;
}
+// takes a uint8_t src array, for len items and reverses the byte order in blocksizes (8,16,32,64),
+// returns: the dest array contains the reordered src array.
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++){
@@ -226,7 +247,6 @@ void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSiz
}
}
-
// -------------------------------------------------------------------------
// string parameters lib
// -------------------------------------------------------------------------
@@ -491,6 +511,7 @@ void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length)
*(target)= GetParity(source + length / 2, ODD, length / 2);
}
+// xor two arrays together for len items. The dst array contains the new xored values.
void xor(unsigned char * dst, unsigned char * src, size_t len) {
for( ; len > 0; len--,dst++,src++)
*dst ^= *src;
@@ -499,7 +520,10 @@ 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];
}
-
+uint32_t le32toh (uint8_t *data) {
+ return (uint32_t)( (data[3]<<24) | (data[2]<<16) | (data[1]<<8) | data[0]);
+}
+// Pack a bitarray into a uint32_t.
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits) {
if (len > 32) return 0;
@@ -524,6 +548,7 @@ void rol(uint8_t *data, const size_t len){
data[len-1] = first;
}
+// Swap bit order on a uint32_t value. Can be limited by nrbits just use say 8bits reversal
uint32_t SwapBits(uint32_t value, int nrbits) {
uint32_t newvalue = 0;
for(int i = 0; i < nrbits; i++) {