mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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267 lines
8.4 KiB
C
267 lines
8.4 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// utilities
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//-----------------------------------------------------------------------------
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#ifndef __UTIL_H_
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#define __UTIL_H_
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#include <stdint.h> //included in data.h
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#include <stddef.h>
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#include <inttypes.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include "ui.h" // PrintAndLog
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#ifdef ANDROID
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#include <endian.h>
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#endif
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#ifndef BITMASK
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# define BITMASK(X) (1 << (X))
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#endif
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#ifndef ROTR
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# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
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#endif
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#ifndef ROTL
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# define ROTL(x,n) (((uintmax_t)(x) << (n)) | ((uintmax_t)(x) >> ((sizeof(x) * 8) - (n))))
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#endif
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#ifndef MIN
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# define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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# define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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// endian change for 64bit
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#ifdef __GNUC__
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#ifndef BSWAP_64
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#define BSWAP_64(x) __builtin_bswap64(x)
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#endif
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#else
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#ifdef _MSC_VER
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#ifndef BSWAP_64
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#define BSWAP_64(x) _byteswap_uint64(x)
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#endif
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#else
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#ifndef BSWAP_64
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#define BSWAP_64(x) \
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(((uint64_t)(x) << 56) | \
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(((uint64_t)(x) << 40) & 0xff000000000000ULL) | \
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(((uint64_t)(x) << 24) & 0xff0000000000ULL) | \
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(((uint64_t)(x) << 8) & 0xff00000000ULL) | \
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(((uint64_t)(x) >> 8) & 0xff000000ULL) | \
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(((uint64_t)(x) >> 24) & 0xff0000ULL) | \
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(((uint64_t)(x) >> 40) & 0xff00ULL) | \
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((uint64_t)(x) >> 56))
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#endif
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#endif
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#endif
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// endian change for 32bit
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#ifdef __GNUC__
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#ifndef BSWAP_32
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#define BSWAP_32(x) __builtin_bswap32(x)
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#endif
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#else
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#ifdef _MSC_VER
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#ifndef BSWAP_32
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#define BSWAP_32(x) _byteswap_ulong(x)
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#endif
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#else
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#ifndef BSWAP_32
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# define BSWAP_32(x) \
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((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
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#endif
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#endif
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#endif
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// endian change for 16bit
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#ifdef __GNUC__
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#ifndef BSWAP_16
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#define BSWAP_16(x) __builtin_bswap16(x)
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#endif
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#else
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#ifdef _MSC_VER
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#ifndef BSWAP_16
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#define BSWAP_16(x) _byteswap_ushort(x)
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#endif
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#else
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#ifndef BSWAP_16
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# define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
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#endif
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#endif
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#endif
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#define EVEN 0
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#define ODD 1
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// Nibble logic
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#ifndef NIBBLE_HIGH
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# define NIBBLE_HIGH(b) ( (b & 0xF0) >> 4 )
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#endif
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#ifndef NIBBLE_LOW
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# define NIBBLE_LOW(b) ( b & 0x0F )
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#endif
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#ifndef CRUMB
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# define CRUMB(b,p) (((b & (0x3 << p) ) >> p ) & 0xF)
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#endif
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#ifndef SWAP_NIBBLE
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# define SWAP_NIBBLE(b) ( (NIBBLE_LOW(b)<< 4) | NIBBLE_HIGH(b))
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#endif
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// Binary Encoded Digit
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#ifndef BCD2DEC
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# define BCD2DEC(bcd) HornerScheme(bcd, 0x10, 10)
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#endif
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#ifndef DEC2BCD
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# define DEC2BCD(dec) HornerScheme(dec, 10, 0x10)
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#endif
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// used for save/load files
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#ifndef FILE_PATH_SIZE
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# define FILE_PATH_SIZE 1000
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#endif
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#ifndef ARRAYLEN
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# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _BLUE_(s) "\x1b[34m" s "\x1b[0m "
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#else
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# define _BLUE_(s) s " "
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _RED_(s) "\x1b[31m" s "\x1b[0m "
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#else
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# define _RED_(s) s " "
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _GREEN_(s) "\x1b[32m" s "\x1b[0m "
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#else
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# define _GREEN_(s) s " "
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _YELLOW_(s) "\x1b[33m" s "\x1b[0m "
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#else
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# define _YELLOW_(s) s " "
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _MAGENTA_(s) "\x1b[35m" s "\x1b[0m "
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#else
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# define _MAGENTA_(s) s " "
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#endif
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#if defined(__linux__) || (__APPLE__)
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# define _CYAN_(s) "\x1b[36m" s "\x1b[0m "
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#else
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# define _CYAN_(s) s " "
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#endif
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#ifndef DropField
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#define DropField() { \
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UsbCommand c_drop = {CMD_READER_ISO_14443a, {0,0,0}, {{0}}}; clearCommandBuffer(); SendCommand(&c_drop); \
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}
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#endif
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#ifndef DropFieldEx
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#define DropFieldEx(x) { \
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if ( (x) == ECC_CONTACTLESS) { \
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DropField(); \
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} \
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}
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#endif
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uint8_t g_debugMode;
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int ukbhit(void);
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void AddLogLine(const char *fn, const char *data, const char *c);
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void AddLogHex(const char *fn, const char *extData, const uint8_t *data, const size_t len);
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void AddLogUint64(const char *fn, const char *data, const uint64_t value);
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void AddLogCurrentDT(const char *fn);
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void FillFileNameByUID(char *filenamePrefix, const uint8_t *uid, const char *ext, const int uidlen);
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// fill buffer from structure [{uint8_t data, size_t length},...]
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int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...);
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bool CheckStringIsHEXValue(const char *value);
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void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len,
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const size_t hex_max_len, const size_t min_str_len, const size_t spaces_between,
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bool uppercase);
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void print_hex(const uint8_t *data, const size_t len);
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void print_hex_break(const uint8_t *data, const size_t len, const uint8_t breaks);
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char *sprint_hex(const uint8_t *data, const size_t len);
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char *sprint_hex_inrow(const uint8_t *data, const size_t len);
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char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
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char *sprint_hex_inrow_spaces(const uint8_t *data, const size_t len, size_t spaces_between);
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char *sprint_bin(const uint8_t *data, const size_t len);
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char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
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char *sprint_hex_ascii(const uint8_t *data, const size_t len);
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char *sprint_ascii(const uint8_t *data, const size_t len);
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char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
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void print_blocks(uint32_t *data, size_t len);
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void num_to_bytes(uint64_t n, size_t len, uint8_t *dest);
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uint64_t bytes_to_num(uint8_t *src, size_t len);
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void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
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void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
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uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
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void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
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int param_getlength(const char *line, int paramnum);
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char param_getchar(const char *line, int paramnum);
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char param_getchar_indx(const char *line, int indx, int paramnum);
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int param_getptr(const char *line, int *bg, int *en, int paramnum);
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uint8_t param_get8(const char *line, int paramnum);
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uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
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uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
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uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
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uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
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uint8_t param_isdec(const char *line, int paramnum);
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int param_gethex(const char *line, int paramnum, uint8_t *data, int hexcnt);
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int param_gethex_ex(const char *line, int paramnum, uint8_t *data, int *hexcnt);
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int param_gethex_to_eol(const char *line, int paramnum, uint8_t *data, int maxdatalen, int *datalen);
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int param_getstr(const char *line, int paramnum, char *str, size_t buffersize);
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int hextobinarray(char *target, char *source);
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int hextobinstring(char *target, char *source);
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int binarraytohex(char *target, const size_t targetlen, char *source, size_t srclen);
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void binarraytobinstring(char *target, char *source, int length);
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uint8_t GetParity(uint8_t *bits, uint8_t type, int length);
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void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
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void wiegand_add_parity_swapped(uint8_t *target, uint8_t *source, uint8_t length);
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void xor(unsigned char *dst, unsigned char *src, size_t len);
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int32_t le24toh(uint8_t data[3]);
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uint32_t PackBits(uint8_t start, uint8_t len, uint8_t *bits);
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void rol(uint8_t *data, const size_t len);
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uint32_t reflect(uint32_t v, int b);
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uint8_t reflect8(uint8_t b); // dedicated 8bit reversal
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uint16_t reflect16(uint16_t b); // dedicated 16bit reversal
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uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
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int num_CPUs(void); // number of logical CPUs
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void str_lower(char *s); // converts string to lower case
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bool str_startswith(const char *s, const char *pre); // check for prefix in string
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void strcleanrn(char *buf, size_t len);
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void strcreplace(char *buf, size_t len, char from, char to);
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char *strmcopy(char *buf);
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#endif
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