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1//-----------------------------------------------------------------------------
2// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3//
4// This code is licensed to you under the terms of the GNU GPL, version 2 or,
5// at your option, any later version. See the LICENSE.txt file for the text of
6// the license.
7//-----------------------------------------------------------------------------
8// utilities
9//-----------------------------------------------------------------------------
2d3f8e5f 10#ifndef __UTIL_H_
11#define __UTIL_H_
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12
13#include <stdio.h>
dae31af2 14#include <stdint.h> //included in data.h
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15#include <stdlib.h>
16#include <string.h>
17#include <ctype.h>
dae31af2 18#include <math.h> // math.pow
faad338e 19#include <time.h> // time, gmtime
b403c300 20#include "proxmark3.h" // time_t
dae31af2 21#include "data.h" // for FILE_PATH_SIZE
20f9a2a1 22
da827979 23#include <time.h>
1ca5dce0 24// Handle platform specific includes
25#ifndef _WIN32
26 #include <termios.h>
27 #include <sys/ioctl.h>
28 #include <sys/time.h>
29#else
30 #include <conio.h>
1ca5dce0 31 #include <windows.h>
32#endif
33
34
3e134b4c 35#ifndef BITMASK
36# define BITMASK(X) (1 << (X))
37#endif
ab7bb494 38#ifndef ROTR
39# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
40#endif
df007486 41
759c16b3 42#ifndef MIN
43# define MIN(a, b) (((a) < (b)) ? (a) : (b))
44#endif
45#ifndef MAX
46# define MAX(a, b) (((a) > (b)) ? (a) : (b))
47#endif
df007486 48
49// Byte swapping
dd79e03a 50#ifndef BSWAP_32
3e134b4c 51# define BSWAP_32(x) \
dd79e03a 52 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
53 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
54#endif
3e134b4c 55#ifndef BSWAP_16
56# define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
57#endif
58
df007486 59// Boolean
79544b28 60#define TRUE 1
61#define FALSE 0
62#define EVEN 0
63#define ODD 1
902cb3c0 64
df007486 65// Nibble logic
0d2c5909 66#ifndef NIBBLE_HIGH
67# define NIBBLE_HIGH(b) ( (b & 0xF0) >> 4 )
68#endif
69#ifndef NIBBLE_LOW
70# define NIBBLE_LOW(b) ( b & 0x0F )
71#endif
72#ifndef CRUMB
73# define CRUMB(b,p) (((b & (0x3 << p) ) >> p ) & 0xF)
74#endif
75#ifndef SWAP_NIBBLE
76# define SWAP_NIBBLE(b) ( (NIBBLE_LOW(b)<< 4) | NIBBLE_HIGH(b))
77#endif
dae31af2 78
df007486 79// Binary Encoded Digit
dae31af2 80#ifndef BCD2DEC
81# define BCD2DEC(bcd) HornerScheme(bcd, 0x10, 10)
82#endif
83#ifndef DEC2BCD
84# define DEC2BCD(dec) HornerScheme(dec, 10, 0x10)
85#endif
86
df007486 87// used for save/load files
88#ifndef FILE_PATH_SIZE
89# define FILE_PATH_SIZE 1000
90#endif
91
92#ifndef ARRAYLEN
93# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
94#endif
95
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96int ukbhit(void);
97
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98void AddLogLine(char *fileName, char *extData, char *c);
99void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len);
100void AddLogUint64(char *fileName, char *extData, const uint64_t data);
101void AddLogCurrentDT(char *fileName);
e0c635d1 102void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount);
55acbb2a 103
534983d7 104void print_hex(const uint8_t * data, const size_t len);
9827020a 105void print_hex_break(const uint8_t *data, const size_t len, const uint8_t breaks);
dd79e03a 106char *sprint_hex(const uint8_t * data, const size_t len);
107char *sprint_bin(const uint8_t * data, const size_t len);
108char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
0c97a456 109char *sprint_hex_ascii(const uint8_t *data, const size_t len);
1cc80785 110char *sprint_ascii(const uint8_t *data, const size_t len);
f397b5cc 111
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112void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
113uint64_t bytes_to_num(uint8_t* src, size_t len);
0d2c5909 114void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
115void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
224e8c1a 116uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
f4d0ffd1 117void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
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118
119char param_getchar(const char *line, int paramnum);
0de8e387 120int param_getptr(const char *line, int *bg, int *en, int paramnum);
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121uint8_t param_get8(const char *line, int paramnum);
122uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
123uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
124uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
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125uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
126uint8_t param_isdec(const char *line, int paramnum);
f397b5cc 127int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
e98572a1 128int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt);
aea4d766 129int param_getstr(const char *line, int paramnum, char * str);
55acbb2a 130
9984b173 131int hextobinarray( char *target, char *source);
132int hextobinstring( char *target, char *source);
133int binarraytohex( char *target, char *source, int length);
79544b28 134void binarraytobinstring(char *target, char *source, int length);
a126332a 135uint8_t GetParity( uint8_t *string, uint8_t type, int length);
136void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
79544b28 137
c3c241f3 138void xor(unsigned char * dst, unsigned char * src, size_t len);
139int32_t le24toh (uint8_t data[3]);
c805748f 140uint32_t le32toh (uint8_t *data);
ad6219fc 141uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
6bb7609c 142void rol(uint8_t *data, const size_t len);
3e134b4c 143uint32_t SwapBits(uint32_t value, int nrbits);
dae31af2 144uint32_t reflect(uint32_t v, int b);
2d3f8e5f 145uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
146
147#endif
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