X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3ded0f97d32f91766a5815b6c74ca7c6ebade8bf..0d2624a0cc13dbe34392da1f8495af6c64a84ddb:/client/util.c?ds=inline diff --git a/client/util.c b/client/util.c index 7e6b4074..dec7c5a1 100644 --- a/client/util.c +++ b/client/util.c @@ -16,7 +16,7 @@ #include #include #include -#include "data.h" +#include #ifdef _WIN32 #include @@ -111,11 +111,52 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) sprintf(fnameptr, "%s", ext); } +// fill buffer from structure [{uint8_t data, size_t length},...] +int FillBuffer(uint8_t *data, size_t maxDataLength, size_t *dataLength, ...) { + *dataLength = 0; + va_list valist; + va_start(valist, dataLength); + + uint8_t *vdata = NULL; + size_t vlength = 0; + do{ + vdata = va_arg(valist, uint8_t *); + if (!vdata) + break; + + vlength = va_arg(valist, size_t); + if (*dataLength + vlength > maxDataLength) { + va_end(valist); + return 1; + } + + memcpy(&data[*dataLength], vdata, vlength); + *dataLength += vlength; + + } while (vdata); + + va_end(valist); + + return 0; +} + +bool CheckStringIsHEXValue(const char *value) { + for (int i = 0; i < strlen(value); i++) + if (!isxdigit(value[i])) + return false; + + if (strlen(value) % 2) + return false; + + return true; +} + void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len, const size_t min_str_len, const size_t spaces_between, bool uppercase) { char *tmp = (char *)buf; size_t i; + memset(tmp, 0x00, hex_max_len); int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len; @@ -138,35 +179,8 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex // printing and converting functions -void print_hex(const uint8_t * data, const size_t len) -{ - size_t i; - - for (i=0; i < len; i++) - printf("%02x ", data[i]); - - printf("\n"); -} - -void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) { - - int rownum = 0; - printf("[%02d] | ", rownum); - for (int i = 0; i < len; ++i) { - - printf("%02X ", data[i]); - - // check if a line break is needed - if ( breaks > 0 && !((i+1) % breaks) && (i+1 < len) ) { - ++rownum; - printf("\n[%02d] | ", rownum); - } - } - printf("\n"); -} - char *sprint_hex(const uint8_t *data, const size_t len) { - static char buf[1025] = {0}; + static char buf[4097] = {0}; hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false); @@ -174,7 +188,7 @@ char *sprint_hex(const uint8_t *data, const size_t len) { } char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) { - static char buf[1025] = {0}; + static char buf[4097] = {0}; hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false); @@ -220,27 +234,6 @@ char *sprint_bin(const uint8_t *data, const size_t len) { return sprint_bin_break(data, len, 0); } -char *sprint_hex_ascii(const uint8_t *data, const size_t len) { - static char buf[1024]; - char *tmp = buf; - memset(buf, 0x00, 1024); - size_t max_len = (len > 255) ? 255 : len; - // max 255 bytes * 3 + 2 characters = 767 in buffer - sprintf(tmp, "%s| ", sprint_hex(data, max_len) ); - - size_t i = 0; - size_t pos = (max_len * 3)+2; - // add another 255 characters ascii = 1020 characters of buffer used - while(i < max_len) { - char c = data[i]; - if ( (c < 32) || (c == 127)) - c = '.'; - sprintf(tmp+pos+i, "%c", c); - ++i; - } - return buf; -} - char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len) { static char buf[1024]; char *tmp = buf; @@ -260,10 +253,6 @@ char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_st return buf; } -char *sprint_ascii(const uint8_t *data, const size_t len) { - return sprint_ascii_ex(data, len, 0); -} - void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) { while (len--) { @@ -324,16 +313,6 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS return tmp; } -// takes a uint8_t src array, for len items and reverses the byte order in blocksizes (8,16,32,64), -// returns: the dest array contains the reordered src array. -void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest){ - for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){ - for (size_t i = 0; i < blockSize; i++){ - dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)]; - } - } -} - //assumes little endian char * printBits(size_t const size, void const * const ptr) { @@ -356,6 +335,23 @@ char * printBits(size_t const size, void const * const ptr) return buf; } +char * printBitsPar(const uint8_t *b, size_t len) { + static char buf1[512] = {0}; + static char buf2[512] = {0}; + static char *buf; + if (buf != buf1) + buf = buf1; + else + buf = buf2; + memset(buf, 0x00, 512); + + for (int i = 0; i < len; i++) { + buf[i] = ((b[i / 8] << (i % 8)) & 0x80) ? '1':'0'; + } + return buf; +} + + // ------------------------------------------------------------------------- // string parameters lib // ------------------------------------------------------------------------- @@ -631,17 +627,6 @@ int hextobinarray(char *target, char *source) return count; } -// convert hex to human readable binary string -int hextobinstring(char *target, char *source) -{ - int length; - - if(!(length= hextobinarray(target, source))) - return 0; - binarraytobinstring(target, target, length); - return length; -} - // convert binary array of 0x00/0x01 values to hex (safe to do in place as target will always be shorter than source) // return number of bits converted int binarraytohex(char *target,char *source, int length) @@ -664,16 +649,6 @@ int binarraytohex(char *target,char *source, int length) return length; } -// convert binary array to human readable binary -void binarraytobinstring(char *target, char *source, int length) -{ - int i; - - for(i= 0 ; i < length ; ++i) - *(target++)= *(source++) + '0'; - *target= '\0'; -} - // return parity bit required to match type uint8_t GetParity( uint8_t *bits, uint8_t type, int length) { @@ -701,13 +676,6 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) { *dst ^= *src; } -int32_t le24toh (uint8_t data[3]) { - return (data[2] << 16) | (data[1] << 8) | data[0]; -} -uint32_t le32toh (uint8_t *data) { - return (uint32_t)( (data[3]<<24) | (data[2]<<16) | (data[1]<<8) | data[0]); -} - // RotateLeft - Ultralight, Desfire, works on byte level // 00-01-02 >> 01-02-00 void rol(uint8_t *data, const size_t len){