X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/314a9b9cdd3d0e45bef3158e0a40de8568edf236..0d2624a0cc13dbe34392da1f8495af6c64a84ddb:/client/util.c?ds=sidebyside

diff --git a/client/util.c b/client/util.c
index 7e6b4074..dec7c5a1 100644
--- a/client/util.c
+++ b/client/util.c
@@ -16,7 +16,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <time.h>
-#include "data.h"
+#include <stdarg.h>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -111,11 +111,52 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount)
 	sprintf(fnameptr, "%s", ext); 
 }
 
+// fill buffer from structure [{uint8_t data, size_t length},...]
+int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...) {
+	*dataLength = 0;
+	va_list valist;
+	va_start(valist, dataLength);
+	
+	uint8_t *vdata = NULL;
+	size_t vlength = 0;
+	do{
+		vdata = va_arg(valist, uint8_t *);
+		if (!vdata)
+			break;
+		
+		vlength = va_arg(valist, size_t);
+		if (*dataLength + vlength >  maxDataLength) {
+			va_end(valist);
+			return 1;
+		}
+		
+		memcpy(&data[*dataLength], vdata, vlength);
+		*dataLength += vlength;
+		
+	} while (vdata);
+	
+	va_end(valist);
+
+	return 0;
+}
+
+bool CheckStringIsHEXValue(const char *value) {
+	for (int i = 0; i < strlen(value); i++)
+		if (!isxdigit(value[i]))
+			return false;
+
+	if (strlen(value) % 2)
+		return false;
+	
+	return true;
+}
+
 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;
+	memset(tmp, 0x00, hex_max_len);
 
 	int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
 
@@ -138,35 +179,8 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
 
 // printing and converting functions
 
-void print_hex(const uint8_t * data, const size_t len)
-{
-	size_t i;
-
-	for (i=0; i < len; i++)
-		printf("%02x ", data[i]);
-
-	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) {
-	static char buf[1025] = {0};
+	static char buf[4097] = {0};
 	
 	hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false);
 
@@ -174,7 +188,7 @@ char *sprint_hex(const uint8_t *data, const size_t len) {
 }
 
 char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
-	static char buf[1025] = {0};
+	static char buf[4097] = {0};
 
 	hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false);
 
@@ -220,27 +234,6 @@ 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 > 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;
@@ -260,10 +253,6 @@ char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_st
 	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--) {
@@ -324,16 +313,6 @@ 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++){
-			dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
-		}
-	}
-}
-
 //assumes little endian
 char * printBits(size_t const size, void const * const ptr)
 {
@@ -356,6 +335,23 @@ char * printBits(size_t const size, void const * const ptr)
 	return buf;
 }
 
+char * printBitsPar(const uint8_t *b, size_t len) {
+	static char buf1[512] = {0};
+	static char buf2[512] = {0};
+	static char *buf;
+	if (buf != buf1)
+		buf = buf1;
+	else
+		buf = buf2;
+	memset(buf, 0x00, 512);
+
+	for (int i = 0; i < len; i++) {
+		buf[i] = ((b[i / 8] << (i % 8)) & 0x80) ? '1':'0';
+	}
+	return buf;
+}
+
+
 //  -------------------------------------------------------------------------
 //  string parameters lib
 //  -------------------------------------------------------------------------
@@ -631,17 +627,6 @@ int hextobinarray(char *target, char *source)
     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)
@@ -664,16 +649,6 @@ int binarraytohex(char *target,char *source, int length)
     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)
 {
@@ -701,13 +676,6 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) {
        *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){