X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/60e8657796583774aae6f8f4937d008ed12cb04d..9332b857ffeee343334064d3ca53048f59c55e50:/client/util.c diff --git a/client/util.c b/client/util.c index 797a9392..159929b5 100644 --- a/client/util.c +++ b/client/util.c @@ -9,6 +9,7 @@ //----------------------------------------------------------------------------- #include "util.h" +#define MAX_BIN_BREAK_LENGTH (3072+384+1) #ifndef _WIN32 #include @@ -20,7 +21,6 @@ int ukbhit(void) int error; static struct termios Otty, Ntty; - tcgetattr( 0, &Otty); Ntty = Otty; @@ -123,17 +123,31 @@ char *sprint_hex(const uint8_t *data, const size_t len) { } char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) { - - int maxLen = ( len > 1020) ? 1020 : len; - static char buf[1024]; - memset(buf, 0x00, 1024); + // make sure we don't go beyond our char array memory + int max_len; + if (breaks==0) + max_len = ( len > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len; + else + max_len = ( len+(len/breaks) > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len+(len/breaks); + + static char buf[MAX_BIN_BREAK_LENGTH]; // 3072 + end of line characters if broken at 8 bits + //clear memory + memset(buf, 0x00, sizeof(buf)); char *tmp = buf; - for (size_t i=0; i < maxLen; ++i){ - sprintf(tmp++, "%u", data[i]); - if (breaks > 0 && !((i+1) % breaks)) + size_t in_index = 0; + // loop through the out_index to make sure we don't go too far + for (size_t out_index=0; out_index < max_len; out_index++) { + // set character + sprintf(tmp++, "%u", data[in_index]); + // check if a line break is needed and we have room to print it in our array + if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 != max_len) ) { + // increment and print line break + out_index++; sprintf(tmp++, "%s","\n"); } + in_index++; + } return buf; } @@ -141,6 +155,14 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea 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]; + memset(buf, 0x00, 1024); + char *tmp = buf; + sprintf(tmp, "%s| %s", sprint_hex(data, len) , data); + return buf; +} void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) { while (len--) { @@ -160,6 +182,13 @@ uint64_t bytes_to_num(uint8_t* src, size_t len) return num; } +void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) { + while (len--) { + dest[len] = n & 1; + n >>= 1; + } +} + // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp // to // hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii @@ -176,28 +205,6 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS return tmp; } -//assumes little endian -char * printBits(size_t const size, void const * const ptr) -{ - unsigned char *b = (unsigned char*) ptr; - unsigned char byte; - static char buf[1024]; - char * tmp = buf; - int i, j; - - for (i=size-1;i>=0;i--) - { - for (j=7;j>=0;j--) - { - byte = b[i] & (1<>= j; - sprintf(tmp, "%u", byte); - tmp++; - } - } - return buf; -} - // ------------------------------------------------------------------------- // string parameters lib // ------------------------------------------------------------------------- @@ -316,13 +323,11 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt) { int bg, en, temp, i; - if (hexcnt % 2) - return 1; + if (hexcnt & 1) return 1; if (param_getptr(line, &bg, &en, paramnum)) return 1; - if (en - bg + 1 != hexcnt) - return 1; + if (en - bg + 1 != hexcnt) return 1; for(i = 0; i < hexcnt; i += 2) { if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1; @@ -333,7 +338,28 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt) return 0; } +int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt) +{ + int bg, en, temp, i; + + //if (hexcnt % 2) + // return 1; + + if (param_getptr(line, &bg, &en, paramnum)) return 1; + *hexcnt = en - bg + 1; + if (*hexcnt % 2) //error if not complete hex bytes + return 1; + + for(i = 0; i < *hexcnt; i += 2) { + if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1; + + sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp); + data[i / 2] = temp & 0xff; + } + + return 0; +} int param_getstr(const char *line, int paramnum, char * str) { int bg, en; @@ -425,7 +451,7 @@ void binarraytobinstring(char *target, char *source, int length) } // return parity bit required to match type -uint8_t GetParity( char *bits, uint8_t type, int length) +uint8_t GetParity( uint8_t *bits, uint8_t type, int length) { int x; @@ -437,7 +463,7 @@ uint8_t GetParity( char *bits, uint8_t type, int length) } // add HID parity to binary array: EVEN prefix for 1st half of ID, ODD suffix for 2nd half -void wiegand_add_parity(char *target, char *source, char length) +void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length) { *(target++)= GetParity(source, EVEN, length / 2); memcpy(target, source, length); @@ -454,17 +480,25 @@ int32_t le24toh (uint8_t data[3]) { return (data[2] << 16) | (data[1] << 8) | data[0]; } - uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits) { + + if (len > 32) return 0; int i = start; int j = len-1; - - if (len > 32) return 0; - uint32_t tmp = 0; + for (; j >= 0; --j, ++i) tmp |= bits[i] << j; return tmp; } + +// RotateLeft - Ultralight, Desfire +void rol(uint8_t *data, const size_t len){ + uint8_t first = data[0]; + for (size_t i = 0; i < len-1; i++) { + data[i] = data[i+1]; + } + data[len-1] = first; +} \ No newline at end of file