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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 #ifndef __UTIL_H_
11 #define __UTIL_H_
12
13 #include <stdio.h>
14 #include <stdint.h> //included in data.h
15 #include <stdlib.h>
16 #include <string.h>
17 #include <ctype.h>
18 #include <math.h> // math.pow
19 #include <time.h> // time, gmtime
20 #include "proxmark3.h" // time_t
21 #include "data.h" // for FILE_PATH_SIZE
22
23 #include <time.h>
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>
31 #include <windows.h>
32 #endif
33
34
35 #ifndef BITMASK
36 # define BITMASK(X) (1 << (X))
37 #endif
38 #ifndef ROTR
39 # define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
40 #endif
41
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
48
49 // Byte swapping
50 #ifndef BSWAP_32
51 # define BSWAP_32(x) \
52 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
53 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
54 #endif
55 #ifndef BSWAP_16
56 # define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
57 #endif
58
59 // Boolean
60 #define TRUE 1
61 #define FALSE 0
62 #define EVEN 0
63 #define ODD 1
64
65 // Nibble logic
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
78
79 // Binary Encoded Digit
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
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
96 int ukbhit(void);
97
98 void AddLogLine(char *fileName, char *extData, char *c);
99 void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len);
100 void AddLogUint64(char *fileName, char *extData, const uint64_t data);
101 void AddLogCurrentDT(char *fileName);
102 void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount);
103
104 void print_hex(const uint8_t * data, const size_t len);
105 void print_hex_break(const uint8_t *data, const size_t len, const uint8_t breaks);
106 char *sprint_hex(const uint8_t * data, const size_t len);
107 char *sprint_bin(const uint8_t * data, const size_t len);
108 char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
109 char *sprint_hex_ascii(const uint8_t *data, const size_t len);
110 char *sprint_ascii(const uint8_t *data, const size_t len);
111
112 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
113 uint64_t bytes_to_num(uint8_t* src, size_t len);
114 void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
115 void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
116 uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
117 void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
118
119 char param_getchar(const char *line, int paramnum);
120 int param_getptr(const char *line, int *bg, int *en, int paramnum);
121 uint8_t param_get8(const char *line, int paramnum);
122 uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
123 uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
124 uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
125 uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
126 uint8_t param_isdec(const char *line, int paramnum);
127 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
128 int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt);
129 int param_getstr(const char *line, int paramnum, char * str);
130
131 int hextobinarray( char *target, char *source);
132 int hextobinstring( char *target, char *source);
133 int binarraytohex( char *target, char *source, int length);
134 void binarraytobinstring(char *target, char *source, int length);
135 uint8_t GetParity( uint8_t *string, uint8_t type, int length);
136 void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
137
138 void xor(unsigned char * dst, unsigned char * src, size_t len);
139 int32_t le24toh (uint8_t data[3]);
140 uint32_t le32toh (uint8_t *data);
141 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
142 void rol(uint8_t *data, const size_t len);
143 uint32_t SwapBits(uint32_t value, int nrbits);
144 uint32_t reflect(uint32_t v, int b);
145 uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
146
147 #endif
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