client/src/util.h

   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 "common.h"
  14
  15 #ifdef ANDROID
  16 #include <endian.h>
  17 #endif
  18
  19 // used for save/load files
  20 #ifndef FILE_PATH_SIZE
  21 # define FILE_PATH_SIZE 1000
  22 #endif
  23
  24 extern uint8_t g_debugMode;
  25 extern uint8_t g_printAndLog;
  26 extern bool g_pendingPrompt;
  27
  28 #define PRINTANDLOG_PRINT 1
  29 #define PRINTANDLOG_LOG   2
  30
  31 int kbd_enter_pressed(void);
  32 void FillFileNameByUID(char *filenamePrefix, const uint8_t *uid, const char *ext, const int uidlen);
  33 // fill buffer from structure [{uint8_t data, size_t length},...]
  34 int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...);
  35
  36 bool CheckStringIsHEXValue(const char *value);
  37 void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len,
  38                    const size_t hex_max_len, const size_t min_str_len, const size_t spaces_between,
  39                    bool uppercase);
  40
  41 void print_hex(const uint8_t *data, const size_t len);
  42 void print_hex_break(const uint8_t *data, const size_t len, const uint8_t breaks);
  43 char *sprint_hex(const uint8_t *data, const size_t len);
  44 char *sprint_hex_inrow(const uint8_t *data, const size_t len);
  45 char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
  46 char *sprint_hex_inrow_spaces(const uint8_t *data, const size_t len, size_t spaces_between);
  47 char *sprint_bin(const uint8_t *data, const size_t len);
  48 char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
  49 char *sprint_hex_ascii(const uint8_t *data, const size_t len);
  50 char *sprint_ascii(const uint8_t *data, const size_t len);
  51 char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
  52
  53 void print_buffer(const uint8_t *data, const size_t len, int level);
  54 void print_blocks(uint32_t *data, size_t len);
  55
  56 int hex_to_bytes(const char *hexValue, uint8_t *bytesValue, size_t maxBytesValueLen);
  57 void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
  58 void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
  59 void bytes_to_bytebits(void *src, size_t srclen, void *dest);
  60
  61 // Swap endian on arrays up to 64bytes.
  62 uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
  63 void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
  64
  65 // parameter helper functions
  66 int param_getlength(const char *line, int paramnum);
  67 char param_getchar(const char *line, int paramnum);
  68 char param_getchar_indx(const char *line, int indx, int paramnum);
  69 int param_getptr(const char *line, int *bg, int *en, int paramnum);
  70 uint8_t param_get8(const char *line, int paramnum);
  71 uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
  72 uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
  73 uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
  74 float param_getfloat(const char *line, int paramnum, float deflt);
  75 uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
  76 uint8_t param_isdec(const char *line, int paramnum);
  77 int param_gethex(const char *line, int paramnum, uint8_t *data, int hexcnt);
  78 int param_gethex_ex(const char *line, int paramnum, uint8_t *data, int *hexcnt);
  79 int param_gethex_to_eol(const char *line, int paramnum, uint8_t *data, int maxdatalen, int *datalen);
  80 int param_getbin_to_eol(const char *line, int paramnum, uint8_t *data, int maxdatalen, int *datalen);
  81 int param_getstr(const char *line, int paramnum, char *str, size_t buffersize);
  82
  83 int hextobinarray(char *target, char *source);
  84 int hextobinstring(char *target, char *source);
  85 int binarraytohex(char *target, const size_t targetlen, char *source, size_t srclen);
  86 void binarraytobinstring(char *target,  char *source, int length);
  87 int binstring2binarray(uint8_t *target, char *source, int length);
  88
  89 uint8_t GetParity(uint8_t *bits, uint8_t type, int length);
  90 void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
  91 void wiegand_add_parity_swapped(uint8_t *target, uint8_t *source, uint8_t length);
  92
  93 //void xor(unsigned char *dst, unsigned char *src, size_t len);
  94
  95 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t *bits);
  96 uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
  97
  98 int num_CPUs(void); // number of logical CPUs
  99
 100 void str_lower(char *s); // converts string to lower case
 101 bool str_startswith(const char *s,  const char *pre);  // check for prefix in string
 102 bool str_endswith(const char *s,  const char *suffix);    // check for suffix in string
 103 void clean_ascii(unsigned char *buf, size_t len);
 104 void strcleanrn(char *buf, size_t len);
 105 void strcreplace(char *buf, size_t len, char from, char to);
 106 char *str_dup(const char *src);
 107 char *str_ndup(const char *src, size_t len);
 108 int hexstring_to_u96(uint32_t *hi2, uint32_t *hi, uint32_t *lo, const char *str);
 109 int binstring_to_u96(uint32_t *hi2, uint32_t *hi, uint32_t *lo, const char *str);
 110 int binarray_to_u96(uint32_t *hi2, uint32_t *hi, uint32_t *lo, uint8_t *arr, int arrlen);
 111
 112 uint32_t bitcount32(uint32_t a);
 113 uint64_t bitcount64(uint64_t a);
 114 uint32_t leadingzeros32(uint32_t a);
 115 uint64_t leadingzeros64(uint64_t a);
 116
 117 #endif