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