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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//-----------------------------------------------------------------------------
10
11#include <stdio.h>
12#include <stdint.h> //included in data.h
13#include <stdlib.h>
14#include <string.h>
15#include <ctype.h>
16#include <math.h> // math.pow
17#include <time.h> // time, gmtime
18#include "proxmark3.h" // time_t
19#include "data.h" // for FILE_PATH_SIZE
20
21#include <time.h>
22// Handle platform specific includes
23#ifndef _WIN32
24 #include <termios.h>
25 #include <sys/ioctl.h>
26 #include <sys/time.h>
27#else
28 #include <conio.h>
29 #include <windows.h>
30#endif
31
32
33#ifndef BITMASK
34# define BITMASK(X) (1 << (X))
35#endif
36#ifndef ROTR
37# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
38#endif
39
40#ifndef MIN
41# define MIN(a, b) (((a) < (b)) ? (a) : (b))
42#endif
43#ifndef MAX
44# define MAX(a, b) (((a) > (b)) ? (a) : (b))
45#endif
46
47// Byte swapping
48#ifndef BSWAP_32
49# define BSWAP_32(x) \
50 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
51 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
52#endif
53#ifndef BSWAP_16
54# define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
55#endif
56
57// Boolean
58#define TRUE 1
59#define FALSE 0
60#define EVEN 0
61#define ODD 1
62
63// Nibble logic
64#ifndef NIBBLE_HIGH
65# define NIBBLE_HIGH(b) ( (b & 0xF0) >> 4 )
66#endif
67#ifndef NIBBLE_LOW
68# define NIBBLE_LOW(b) ( b & 0x0F )
69#endif
70#ifndef CRUMB
71# define CRUMB(b,p) (((b & (0x3 << p) ) >> p ) & 0xF)
72#endif
73#ifndef SWAP_NIBBLE
74# define SWAP_NIBBLE(b) ( (NIBBLE_LOW(b)<< 4) | NIBBLE_HIGH(b))
75#endif
76
77// Binary Encoded Digit
78#ifndef BCD2DEC
79# define BCD2DEC(bcd) HornerScheme(bcd, 0x10, 10)
80#endif
81#ifndef DEC2BCD
82# define DEC2BCD(dec) HornerScheme(dec, 10, 0x10)
83#endif
84
85// used for save/load files
86#ifndef FILE_PATH_SIZE
87# define FILE_PATH_SIZE 1000
88#endif
89
90#ifndef ARRAYLEN
91# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
92#endif
93
94int ukbhit(void);
95
96void AddLogLine(char *fileName, char *extData, char *c);
97void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len);
98void AddLogUint64(char *fileName, char *extData, const uint64_t data);
99void AddLogCurrentDT(char *fileName);
100void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount);
101
102void print_hex(const uint8_t * data, const size_t len);
103void print_hex_break(const uint8_t *data, const size_t len, const uint8_t breaks);
104char *sprint_hex(const uint8_t * data, const size_t len);
105char *sprint_bin(const uint8_t * data, const size_t len);
106char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
107char *sprint_hex_ascii(const uint8_t *data, const size_t len);
108
109void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
110uint64_t bytes_to_num(uint8_t* src, size_t len);
111void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
112void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
113uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
114void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
115
116char param_getchar(const char *line, int paramnum);
117int param_getptr(const char *line, int *bg, int *en, int paramnum);
118uint8_t param_get8(const char *line, int paramnum);
119uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
120uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
121uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
122uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
123uint8_t param_isdec(const char *line, int paramnum);
124int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
125int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt);
126int param_getstr(const char *line, int paramnum, char * str);
127
128int hextobinarray( char *target, char *source);
129int hextobinstring( char *target, char *source);
130int binarraytohex( char *target, char *source, int length);
131void binarraytobinstring(char *target, char *source, int length);
132uint8_t GetParity( uint8_t *string, uint8_t type, int length);
133void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
134
135void xor(unsigned char * dst, unsigned char * src, size_t len);
136int32_t le24toh (uint8_t data[3]);
137uint32_t le32toh (uint8_t *data);
138uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
139void rol(uint8_t *data, const size_t len);
140uint32_t SwapBits(uint32_t value, int nrbits);
141uint32_t reflect(uint32_t v, int b);
142uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
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