-#include <stdio.h>
-#include <stdint.h>
+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// utilities
+//-----------------------------------------------------------------------------
+
+#include "util.h"
+
+#ifndef _WIN32
+#include <termios.h>
+#include <sys/ioctl.h>
+
+int ukbhit(void)
+{
+ int cnt = 0;
+ int error;
+ static struct termios Otty, Ntty;
+
+
+ tcgetattr( 0, &Otty);
+ 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);
+ }
+
+ return ( error == 0 ? cnt : -1 );
+}
+
+#else
+#include <conio.h>
+int ukbhit(void) {
+ return kbhit();
+}
+#endif
+
+// log files functions
+void AddLogLine(char *file, char *extData, char *c) {
+ FILE *fLog = NULL;
+ 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);
+ return;
+ }
+
+ fprintf(fLog, "%s", extData);
+ fprintf(fLog, "%s\n", c);
+ fclose(fLog);
+}
+
+void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len){
+ AddLogLine(fileName, extData, sprint_hex(data, len));
+}
+
+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));
+ AddLogLine(fileName, extData, buf);
+}
+
+void AddLogCurrentDT(char *fileName) {
+ char buff[20];
+ 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);
+}
+
+void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) {
+ char * fnameptr = fileName;
+ memset(fileName, 0x00, 200);
+
+ for (int j = 0; j < byteCount; j++, fnameptr += 2)
+ sprintf(fnameptr, "%02x", uid[j]);
+ sprintf(fnameptr, "%s", ext);
+}
+
+// printing and converting functions
void print_hex(const uint8_t * data, const size_t len)
{
printf("\n");
}
-char * sprint_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;
+ memset(buf, 0x00, 1024);
+ char *tmp = buf;
size_t i;
- for (i=0; i < len && i < 1024/3; i++, tmp += 3)
- sprintf(tmp, "%02x ", data[i]);
+ 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) {
+
+ int maxLen = ( len > 1024) ? 1024 : len;
+ static char buf[1024];
+ memset(buf, 0x00, 1024);
+ char *tmp = buf;
+
+ for (size_t i=0; i < maxLen; ++i){
+ sprintf(tmp++, "%u", data[i]);
+ if (breaks > 0 && !((i+1) % breaks))
+ sprintf(tmp++, "%s","\n");
+ }
+
+ return buf;
+}
+
+char *sprint_bin(const uint8_t *data, const size_t len) {
+ return sprint_bin_break(data, len, 0);
+}
+void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
+{
+ while (len--) {
+ dest[len] = (uint8_t) n;
+ n >>= 8;
+ }
+}
+
+uint64_t bytes_to_num(uint8_t* src, size_t len)
+{
+ uint64_t num = 0;
+ while (len--)
+ {
+ num = (num << 8) | (*src);
+ src++;
+ }
+ return num;
+}
+
+// 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
+// up to 64 bytes or 512 bits
+uint8_t *SwapEndian64(uint8_t *src, size_t len){
+ static uint8_t temp[64]={0};
+ for (uint8_t block=0; block < (uint8_t)len/8; block++){
+ for (size_t i = 0; i < 8; i++){
+ temp[i+(8*block)] = src[(7-i)+(8*block)];
+ }
+ }
+ return temp;
+}
+
+//assumes little endian
+char * printBits(size_t const size, void const * const ptr)
+{
+ unsigned char *b = (unsigned char*) ptr;
+ unsigned char byte;
+ static char buf[1024];
+ char * tmp = buf;
+ int i, j;
+ for (i=size-1;i>=0;i--)
+ {
+ for (j=7;j>=0;j--)
+ {
+ byte = b[i] & (1<<j);
+ byte >>= j;
+ sprintf(tmp, "%u", byte);
+ tmp++;
+ }
+ }
return buf;
}
+
+// -------------------------------------------------------------------------
+// string parameters lib
+// -------------------------------------------------------------------------
+
+// -------------------------------------------------------------------------
+// line - param line
+// bg, en - symbol numbers in param line of beginning an ending parameter
+// paramnum - param number (from 0)
+// -------------------------------------------------------------------------
+int param_getptr(const char *line, int *bg, int *en, int paramnum)
+{
+ int i;
+ int len = strlen(line);
+
+ *bg = 0;
+ *en = 0;
+
+ // skip spaces
+ while (line[*bg] ==' ' || line[*bg]=='\t') (*bg)++;
+ if (*bg >= len) {
+ return 1;
+ }
+
+ for (i = 0; i < paramnum; i++) {
+ while (line[*bg]!=' ' && line[*bg]!='\t' && line[*bg] != '\0') (*bg)++;
+ while (line[*bg]==' ' || line[*bg]=='\t') (*bg)++;
+
+ if (line[*bg] == '\0') return 1;
+ }
+
+ *en = *bg;
+ while (line[*en] != ' ' && line[*en] != '\t' && line[*en] != '\0') (*en)++;
+
+ (*en)--;
+
+ return 0;
+}
+
+
+char param_getchar(const char *line, int paramnum)
+{
+ int bg, en;
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 0x00;
+
+ return line[bg];
+}
+
+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;
+
+ if (!param_getptr(line, &bg, &en, paramnum))
+ return strtoul(&line[bg], NULL, base) & 0xff;
+ else
+ return deflt;
+}
+
+uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base)
+{
+ int bg, en;
+
+ if (!param_getptr(line, &bg, &en, paramnum))
+ return strtoul(&line[bg], NULL, base);
+ else
+ return deflt;
+}
+
+uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base)
+{
+ int bg, en;
+
+ if (!param_getptr(line, &bg, &en, paramnum))
+ return strtoull(&line[bg], NULL, base);
+ else
+ return deflt;
+
+ return 0;
+}
+
+int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
+{
+ int bg, en, temp, i;
+
+ if (hexcnt % 2)
+ return 1;
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 1;
+
+ if (en - bg + 1 != hexcnt)
+ return 1;
+
+ for(i = 0; i < hexcnt; i += 2) {
+ if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1;
+
+ sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp);
+ data[i / 2] = temp & 0xff;
+ }
+
+ return 0;
+}
+
+int param_getstr(const char *line, int paramnum, char * str)
+{
+ int bg, en;
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 0;
+
+ memcpy(str, line + bg, en - bg + 1);
+ str[en - bg + 1] = 0;
+
+ return en - bg + 1;
+}
+
+/*
+The following methods comes from Rfidler sourcecode.
+https://github.com/ApertureLabsLtd/RFIDler/blob/master/firmware/Pic32/RFIDler.X/src/
+*/
+
+// convert hex to sequence of 0/1 bit values
+// returns number of bits converted
+int hextobinarray(char *target, char *source)
+{
+ int length, i, count= 0;
+ char x;
+
+ length = strlen(source);
+ // process 4 bits (1 hex digit) at a time
+ while(length--)
+ {
+ x= *(source++);
+ // capitalize
+ if (x >= 'a' && x <= 'f')
+ x -= 32;
+ // convert to numeric value
+ if (x >= '0' && x <= '9')
+ x -= '0';
+ else if (x >= 'A' && x <= 'F')
+ x -= 'A' - 10;
+ else
+ return 0;
+ // output
+ for(i= 0 ; i < 4 ; ++i, ++count)
+ *(target++)= (x >> (3 - i)) & 1;
+ }
+
+ return count;
+}
+
+// convert hex to human readable binary string
+int hextobinstring(char *target, char *source)
+{
+ int length;
+
+ if(!(length= hextobinarray(target, source)))
+ return 0;
+ binarraytobinstring(target, target, length);
+ return length;
+}
+
+// convert binary array of 0x00/0x01 values to hex (safe to do in place as target will always be shorter than source)
+// return number of bits converted
+int binarraytohex(char *target, char *source, int length)
+{
+ unsigned char i, x;
+ int j = length;
+
+ if(j % 4)
+ return 0;
+
+ while(j)
+ {
+ for(i= x= 0 ; i < 4 ; ++i)
+ x += ( source[i] << (3 - i));
+ sprintf(target,"%X", x);
+ ++target;
+ source += 4;
+ j -= 4;
+ }
+ return length;
+}
+
+// convert binary array to human readable binary
+void binarraytobinstring(char *target, char *source, int length)
+{
+ int i;
+
+ for(i= 0 ; i < length ; ++i)
+ *(target++)= *(source++) + '0';
+ *target= '\0';
+}
+
+// return parity bit required to match type
+uint8_t GetParity( char *bits, uint8_t type, int length)
+{
+ int x;
+
+ for(x= 0 ; length > 0 ; --length)
+ x += bits[length - 1];
+ x %= 2;
+
+ return x ^ type;
+}
+
+// add HID parity to binary array: EVEN prefix for 1st half of ID, ODD suffix for 2nd half
+void wiegand_add_parity(char *target, char *source, char length)
+{
+ *(target++)= GetParity(source, EVEN, length / 2);
+ memcpy(target, source, length);
+ target += length;
+ *(target)= GetParity(source + length / 2, ODD, length / 2);
+}
projects / proxmark3-svn / blobdiff