-#include <stdio.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"
+
#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "data.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+#define MAX_BIN_BREAK_LENGTH (3072+384+1)
+
+#ifndef _WIN32
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+int ukbhit(void)
+{
+ int cnt = 0;
+ int error;
+ static struct termios Otty, Ntty;
+
+ if ( tcgetattr(STDIN_FILENO, &Otty) == -1 ) return -1;
+ Ntty = 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();
+}
+#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", (unsigned int) uid[j]);
+ sprintf(fnameptr, "%s", ext);
+}
+
+void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len,
+ const size_t min_str_len, const size_t spaces_between, bool uppercase) {
+
+ char *tmp = (char *)buf;
+ size_t i;
+
+ int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
+
+ for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) {
+ sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]);
+
+ for (int j = 0; j < spaces_between; j++)
+ sprintf(tmp + 2 + j, " ");
+ }
+
+ i *= (2 + spaces_between);
+ int minStrLen = min_str_len > i ? min_str_len : 0;
+ if (minStrLen > hex_max_len)
+ minStrLen = hex_max_len;
+ for(; i < minStrLen; i++, tmp += 1)
+ sprintf(tmp, " ");
+
+ return;
+}
+
+// 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) {
+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) {
+ static char buf[1025] = {0};
+
+ hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false);
+
+ return buf;
+}
+
+char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
+ static char buf[1025] = {0};
+
+ hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false);
+
+ return buf;
+}
+
+char *sprint_hex_inrow(const uint8_t *data, const size_t len) {
+ return sprint_hex_inrow_ex(data, len, 0);
+}
+
+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;
+ if (breaks==0)
+ max_len = ( len > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len;
+ else
+ max_len = ( len+(len/breaks) > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len+(len/breaks);
+
+ static char buf[MAX_BIN_BREAK_LENGTH]; // 3072 + end of line characters if broken at 8 bits
+ //clear memory
+ 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; out_index++) {
+ // set character - (should be binary but verify it isn't more than 1 digit)
+ 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) ) {
+ // increment and print line break
+ out_index++;
+ sprintf(tmp++, "%s","\n");
+ }
+ in_index++;
+ }
+
+ return buf;
+}
+
+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;
- size_t i;
+ char *tmp = buf;
+ memset(buf, 0x00, 1024);
+ size_t max_len = (len > 255) ? 255 : len;
+ // max 255 bytes * 3 + 2 characters = 767 in buffer
+ sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
+
+ size_t i = 0;
+ size_t pos = (max_len * 3)+2;
+ // add another 255 characters ascii = 1020 characters of buffer used
+ 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_ex(const uint8_t *data, const size_t len, const size_t min_str_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;
+ }
+
+ int minStrLen = min_str_len > i ? min_str_len : 0;
+ for(; i < minStrLen; ++i)
+ tmp[i] = ' ';
+
+ return buf;
+}
+
+char *sprint_ascii(const uint8_t *data, const size_t len) {
+ return sprint_ascii_ex(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;
+}
+
+void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) {
+ while (len--) {
+ dest[len] = n & 1;
+ n >>= 1;
+ }
+}
- for (i=0; i < len && i < 1024/3; i++, tmp += 3)
- sprintf(tmp, "%02x ", data[i]);
+//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
+// up to 64 bytes or 512 bits
+uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize){
+ static uint8_t buf[64];
+ memset(buf, 0x00, 64);
+ uint8_t *tmp = buf;
+ for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
+ for (size_t i = 0; i < blockSize; i++){
+ tmp[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
+ }
+ }
+ 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)
+{
+ 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", (unsigned int)byte);
+ tmp++;
+ }
+ }
return buf;
}
+
+// -------------------------------------------------------------------------
+// string parameters lib
+// -------------------------------------------------------------------------
+
+// -------------------------------------------------------------------------
+// line - param line
+// bg, en - symbol numbers in param line of beginning and 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;
+}
+
+
+int param_getlength(const char *line, int paramnum)
+{
+ int bg, en;
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 0;
+
+ return en - bg + 1;
+}
+
+char param_getchar(const char *line, int paramnum) {
+ return param_getchar_indx(line, 0, paramnum);
+}
+
+char param_getchar_indx(const char *line, int indx, int paramnum) {
+ int bg, en;
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 0x00;
+
+ if (bg + indx > en)
+ return '\0';
+
+ return line[bg + indx];
+}
+
+uint8_t param_get8(const char *line, int paramnum)
+{
+ return param_get8ex(line, paramnum, 0, 10);
+}
+
+/**
+ * @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;
+}
+
+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((unsigned char)line[bg + i]) && isxdigit((unsigned char)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_gethex_ex(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;
+
+ *hexcnt = en - bg + 1;
+ if (*hexcnt % 2) //error if not complete hex bytes
+ return 1;
+
+ for(i = 0; i < *hexcnt; i += 2) {
+ if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)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_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxdatalen, int *datalen) {
+ int bg, en;
+ uint32_t temp;
+ char buf[5] = {0};
+
+ if (param_getptr(line, &bg, &en, paramnum)) return 1;
+
+ *datalen = 0;
+
+ int indx = bg;
+ while (line[indx]) {
+ if (line[indx] == '\t' || line[indx] == ' ') {
+ indx++;
+ continue;
+ }
+
+ if (isxdigit((unsigned char)line[indx])) {
+ buf[strlen(buf) + 1] = 0x00;
+ buf[strlen(buf)] = line[indx];
+ } else {
+ // if we have symbols other than spaces and hex
+ return 1;
+ }
+
+ if (*datalen >= maxdatalen) {
+ // if we dont have space in buffer and have symbols to translate
+ return 2;
+ }
+
+ if (strlen(buf) >= 2) {
+ sscanf(buf, "%x", &temp);
+ data[*datalen] = (uint8_t)(temp & 0xff);
+ *buf = 0;
+ (*datalen)++;
+ }
+
+ indx++;
+ }
+
+ if (strlen(buf) > 0)
+ //error when not completed hex bytes
+ return 3;
+
+ return 0;
+}
+
+int param_getstr(const char *line, int paramnum, char * str, size_t buffersize)
+{
+ int bg, en;
+
+ if (param_getptr(line, &bg, &en, paramnum)) {
+ return 0;
+ }
+
+ // Prevent out of bounds errors
+ if (en - bg + 1 >= buffersize) {
+ printf("out of bounds error: want %d bytes have %zd bytes\n", en - bg + 1 + 1, buffersize);
+ 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* start = source;
+ 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 {
+ printf("Discovered unknown character %c %d at idx %tu of %s\n", x, x, source - start, start);
+ 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", (unsigned int)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( uint8_t *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(uint8_t *target, uint8_t *source, uint8_t length)
+{
+ *(target++)= GetParity(source, EVEN, length / 2);
+ memcpy(target, source, length);
+ target += 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;
+}
+
+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
+void rol(uint8_t *data, const size_t len){
+ uint8_t first = data[0];
+ for (size_t i = 0; i < len-1; i++) {
+ data[i] = data[i+1];
+ }
+ 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] = '.';
+ }
+}
+
+// replace \r \n to \0
+void strcleanrn(char *buf, size_t len) {
+ strcreplace(buf, len, '\n', '\0');
+ strcreplace(buf, len, '\r', '\0');
+}
+
+// replace char in buffer
+void strcreplace(char *buf, size_t len, char from, char to) {
+ for (size_t i = 0; i < len; i++) {
+ if (buf[i] == from)
+ buf[i] = to;
+ }
+}
+
+char *strmcopy(char *buf) {
+ char * str = NULL;
+ if ((str = (char*) malloc(strlen(buf) + 1)) != NULL) {
+ memset(str, 0, strlen(buf) + 1);
+ strcpy(str, buf);
+ }
+ return str;
+}
+
+
+// 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
+}
+
projects / proxmark3-svn / blobdiff