// utilities
//-----------------------------------------------------------------------------
+#if !defined(_WIN32)
+#define _POSIX_C_SOURCE 199309L // need nanosleep()
+#endif
+
#include "util.h"
+
+#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "data.h"
+
#define MAX_BIN_BREAK_LENGTH (3072+384+1)
#ifndef _WIN32
#include <termios.h>
#include <sys/ioctl.h>
-
+#include <unistd.h>
int ukbhit(void)
{
int error;
static struct termios Otty, Ntty;
-
- if ( tcgetattr( 0, &Otty) == -1 ) return -1;
+ if ( tcgetattr(STDIN_FILENO, &Otty) == -1 ) return -1;
Ntty = Otty;
- Ntty.c_iflag = 0; /* input mode */
- Ntty.c_oflag = 0; /* output mode */
- Ntty.c_lflag &= ~ICANON; /* raw mode */
- Ntty.c_cc[VMIN] = CMIN; /* minimum time to wait */
- Ntty.c_cc[VTIME] = CTIME; /* minimum characters to wait for */
-
- if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) {
- error += ioctl(0, FIONREAD, &cnt);
- error += tcsetattr(0, TCSANOW, &Otty);
+ Ntty.c_iflag = 0x0000; // input mode
+ Ntty.c_oflag = 0x0000; // output mode
+ Ntty.c_lflag &= ~ICANON; // control mode = raw
+ Ntty.c_cc[VMIN] = 1; // return if at least 1 character is in the queue
+ Ntty.c_cc[VTIME] = 0; // no timeout. Wait forever
+
+ if (0 == (error = tcsetattr(STDIN_FILENO, TCSANOW, &Ntty))) { // set new attributes
+ error += ioctl(STDIN_FILENO, FIONREAD, &cnt); // get number of characters availabe
+ error += tcsetattr(STDIN_FILENO, TCSANOW, &Otty); // reset attributes
}
return ( error == 0 ? cnt : -1 );
}
#else
+
#include <conio.h>
int ukbhit(void) {
return kbhit();
printf("\n");
}
+void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
+
+ int rownum = 0;
+ printf("[%02d] | ", rownum);
+ for (int i = 0; i < len; ++i) {
+
+ printf("%02X ", data[i]);
+
+ // check if a line break is needed
+ if ( breaks > 0 && !((i+1) % breaks) && (i+1 < len) ) {
+ ++rownum;
+ printf("\n[%02d] | ", rownum);
+ }
+ }
+ printf("\n");
+}
+
char *sprint_hex(const uint8_t *data, const size_t len) {
int maxLen = ( len > 1024/3) ? 1024/3 : len;
if (data[in_index]<10)
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
- if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 != max_len) ) {
+ if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 < max_len) ) {
// increment and print line break
out_index++;
sprintf(tmp++, "%s","\n");
char *sprint_bin(const uint8_t *data, const size_t len) {
return sprint_bin_break(data, len, 0);
}
+
+char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
+ static char buf[1024];
+ char *tmp = buf;
+ memset(buf, 0x00, 1024);
+ size_t max_len = (len > 1010) ? 1010 : len;
+
+ sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
+
+ size_t i = 0;
+ size_t pos = (max_len * 3)+2;
+ while(i < max_len){
+ char c = data[i];
+ if ( (c < 32) || (c == 127))
+ c = '.';
+ sprintf(tmp+pos+i, "%c", c);
+ ++i;
+ }
+ return buf;
+}
+
+char *sprint_ascii(const uint8_t *data, const size_t len) {
+ static char buf[1024];
+ char *tmp = buf;
+ memset(buf, 0x00, 1024);
+ size_t max_len = (len > 1010) ? 1010 : len;
+ size_t i = 0;
+ while(i < max_len){
+ char c = data[i];
+ tmp[i] = ((c < 32) || (c == 127)) ? '.' : c;
+ ++i;
+ }
+ return buf;
+}
+
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
{
while (len--) {
}
}
+//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;
+ }
+}
+
+// Swap bit order on a uint32_t value. Can be limited by nrbits just use say 8bits reversal
+// And clears the rest of the bits.
+uint32_t SwapBits(uint32_t value, int nrbits) {
+ uint32_t newvalue = 0;
+ for(int i = 0; i < nrbits; i++) {
+ newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);
+ }
+ return newvalue;
+}
+
// aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
// to
// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
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++){
+ dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
+ }
+ }
+}
+
//assumes little endian
char * printBits(size_t const size, void const * const ptr)
{
return strtoull(&line[bg], NULL, base);
else
return deflt;
-
- return 0;
}
int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
*(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;
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]);
+}
// RotateLeft - Ultralight, Desfire, works on byte level
// 00-01-02 >> 01-02-00
}
data[len-1] = first;
}
+
+
+// Replace unprintable characters with a dot in char buffer
+void clean_ascii(unsigned char *buf, size_t len) {
+ for (size_t i = 0; i < len; i++) {
+ if (!isprint(buf[i]))
+ buf[i] = '.';
+ }
+}
+
+
+// Timer functions
+#if !defined (_WIN32)
+#include <errno.h>
+
+static void nsleep(uint64_t n) {
+ struct timespec timeout;
+ timeout.tv_sec = n/1000000000;
+ timeout.tv_nsec = n%1000000000;
+ while (nanosleep(&timeout, &timeout) && errno == EINTR);
+}
+
+void msleep(uint32_t n) {
+ nsleep(1000000 * n);
+}
+
+#endif // _WIN32
+
+// a milliseconds timer for performance measurement
+uint64_t msclock() {
+#if defined(_WIN32)
+ #include <sys/types.h>
+
+ // WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
+ // It has no _ftime_s and needs explicit inclusion of timeb.h
+ #include <sys/timeb.h>
+ struct _timeb t;
+ _ftime(&t);
+ return 1000 * t.time + t.millitm;
+
+ // NORMAL CODE (use _ftime_s)
+ //struct _timeb t;
+ //if (_ftime_s(&t)) {
+ // return 0;
+ //} else {
+ // return 1000 * t.time + t.millitm;
+ //}
+#else
+ struct timespec t;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
+#endif
+}
+
+// determine number of logical CPU cores (use for multithreaded functions)
+extern int num_CPUs(void)
+{
+#if defined(_WIN32)
+ #include <sysinfoapi.h>
+ SYSTEM_INFO sysinfo;
+ GetSystemInfo(&sysinfo);
+ return sysinfo.dwNumberOfProcessors;
+#elif defined(__linux__) || defined(__APPLE__)
+ #include <unistd.h>
+ return sysconf(_SC_NPROCESSORS_ONLN);
+#else
+ return 1;
+#endif
+}