X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9ca155ba443e8f2a9feb7640f4b461842cce9e35..refs/pull/245/head:/client/util.c?ds=sidebyside

diff --git a/client/util.c b/client/util.c
index c7764f70..7c70d55d 100644
--- a/client/util.c
+++ b/client/util.c
@@ -8,15 +8,26 @@
 // utilities
 //-----------------------------------------------------------------------------
 
-#include <stdio.h>
-#include <stdlib.h>
+#if !defined(_WIN32)
+#define _POSIX_C_SOURCE	199309L			// need nanosleep()
+#endif
+
+#include "util.h"
+
+#include <stdint.h>
 #include <string.h>
 #include <ctype.h>
-#include "util.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "data.h"
+
+#define MAX_BIN_BREAK_LENGTH   (3072+384+1)
 
-#ifdef __linux__
+#ifndef _WIN32
 #include <termios.h>
 #include <sys/ioctl.h> 
+
 int ukbhit(void)
 {
   int cnt = 0;
@@ -24,7 +35,7 @@ int ukbhit(void)
   static struct termios Otty, Ntty;
 
 
-  tcgetattr( 0, &Otty);
+  if ( tcgetattr( 0, &Otty) == -1 ) return -1;
   Ntty = Otty;
 
   Ntty.c_iflag          = 0;       /* input mode                */
@@ -42,12 +53,65 @@ int ukbhit(void)
 }
 
 #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); 
+}
+
+// printing and converting functions
 
 void print_hex(const uint8_t * data, const size_t len)
 {
@@ -59,17 +123,106 @@ 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) {
+	
+	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 ", (unsigned int) 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;
+	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-1; 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;
+	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--) {
@@ -89,6 +242,79 @@ 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) {
+	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;
+	}
+}
+
+// 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
 //  -------------------------------------------------------------------------
@@ -127,6 +353,7 @@ 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;
@@ -138,7 +365,36 @@ char param_getchar(const char *line, int paramnum)
 
 uint8_t param_get8(const char *line, int paramnum)
 {
-	return param_get8ex(line, paramnum, 10, 0);
+	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)
@@ -146,7 +402,7 @@ uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base)
 	int bg, en;
 
 	if (!param_getptr(line, &bg, &en, paramnum)) 
-		return strtol(&line[bg], NULL, base) & 0xff;
+		return strtoul(&line[bg], NULL, base) & 0xff;
 	else
 		return deflt;
 }
@@ -156,7 +412,7 @@ uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base)
 	int bg, en;
 
 	if (!param_getptr(line, &bg, &en, paramnum)) 
-		return strtol(&line[bg], NULL, base);
+		return strtoul(&line[bg], NULL, base);
 	else
 		return deflt;
 }
@@ -166,11 +422,9 @@ uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base)
 	int bg, en;
 
 	if (!param_getptr(line, &bg, &en, paramnum)) 
-		return strtol(&line[bg], NULL, base);
+		return strtoull(&line[bg], NULL, base);
 	else
 		return deflt;
-
-	return 0;
 }
 
 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
@@ -194,3 +448,202 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
 
 	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(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", (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] = '.';
+  }
+}
+
+
+// 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>
+	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
+}