X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c48c4d7856cc61694b9bb1a4d9a33f693cb4fbe2..7b6e32053373740516833b1a228a0ad01bb14bd2:/client/util.c diff --git a/client/util.c b/client/util.c index 13067ec1..423d14a0 100644 --- a/client/util.c +++ b/client/util.c @@ -8,10 +8,6 @@ // utilities //----------------------------------------------------------------------------- -#if !defined(_WIN32) -#define _POSIX_C_SOURCE 199309L // need nanosleep() -#endif - #include "util.h" #include @@ -20,7 +16,11 @@ #include #include #include -#include "data.h" +#include + +#ifdef _WIN32 +#include +#endif #define MAX_BIN_BREAK_LENGTH (3072+384+1) @@ -111,49 +111,83 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) sprintf(fnameptr, "%s", ext); } -// 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]); +// 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); - printf("\n"); + return 0; } -void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) { +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 rownum = 0; - printf("[%02d] | ", rownum); - for (int i = 0; i < len; ++i) { + int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len; - printf("%02X ", data[i]); + for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) { + sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]); - // check if a line break is needed - if ( breaks > 0 && !((i+1) % breaks) && (i+1 < len) ) { - ++rownum; - printf("\n[%02d] | ", rownum); - } + for (int j = 0; j < spaces_between; j++) + sprintf(tmp + 2 + j, " "); } - printf("\n"); + + i *= (2 + spaces_between); + int minStrLen = min_str_len > i ? min_str_len : 0; + if (minStrLen > hex_max_len) + minStrLen = hex_max_len; + for(; i < minStrLen; i++, tmp += 1) + sprintf(tmp, " "); + + return; } +// printing and converting functions + char *sprint_hex(const uint8_t *data, const size_t len) { + static char buf[4097] = {0}; - int maxLen = ( len > 1024/3) ? 1024/3 : len; - static char buf[1024]; - memset(buf, 0x00, 1024); - char *tmp = buf; - size_t i; + hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false); + + return buf; +} + +char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) { + static char buf[4097] = {0}; - for (i=0; i < maxLen; ++i, tmp += 3) - sprintf(tmp, "%02x ", (unsigned int) data[i]); + hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false); return buf; } +char *sprint_hex_inrow(const uint8_t *data, const size_t len) { + return sprint_hex_inrow_ex(data, len, 0); +} + char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) { // make sure we don't go beyond our char array memory int max_len; @@ -189,27 +223,7 @@ 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 > 1010) ? 1010 : len; - - sprintf(tmp, "%s| ", sprint_hex(data, max_len) ); - - size_t i = 0; - size_t pos = (max_len * 3)+2; - 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(const uint8_t *data, const size_t len) { +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; memset(buf, 0x00, 1024); @@ -220,6 +234,11 @@ char *sprint_ascii(const uint8_t *data, const size_t len) { tmp[i] = ((c < 32) || (c == 127)) ? '.' : c; ++i; } + + int minStrLen = min_str_len > i ? min_str_len : 0; + for(; i < minStrLen; ++i) + tmp[i] = ' '; + return buf; } @@ -283,16 +302,6 @@ 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) { @@ -315,13 +324,30 @@ 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 // ------------------------------------------------------------------------- // ------------------------------------------------------------------------- // line - param line -// bg, en - symbol numbers in param line of beginning an ending parameter +// bg, en - symbol numbers in param line of beginning and ending parameter // paramnum - param number (from 0) // ------------------------------------------------------------------------- int param_getptr(const char *line, int *bg, int *en, int paramnum) @@ -354,13 +380,28 @@ int param_getptr(const char *line, int *bg, int *en, int paramnum) } -char param_getchar(const char *line, int paramnum) +int param_getlength(const char *line, int paramnum) { int bg, en; + if (param_getptr(line, &bg, &en, paramnum)) return 0; + + return en - bg + 1; +} + +char param_getchar(const char *line, int paramnum) { + return param_getchar_indx(line, 0, paramnum); +} + +char param_getchar_indx(const char *line, int indx, int paramnum) { + int bg, en; + if (param_getptr(line, &bg, &en, paramnum)) return 0x00; - return line[bg]; + if (bg + indx > en) + return '\0'; + + return line[bg + indx]; } uint8_t param_get8(const char *line, int paramnum) @@ -440,7 +481,7 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt) return 1; for(i = 0; i < hexcnt; i += 2) { - if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1; + if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) ) return 1; sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp); data[i / 2] = temp & 0xff; @@ -462,7 +503,7 @@ int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt) return 1; for(i = 0; i < *hexcnt; i += 2) { - if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) ) return 1; + if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) ) return 1; sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp); data[i / 2] = temp & 0xff; @@ -470,11 +511,66 @@ int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt) return 0; } -int param_getstr(const char *line, int paramnum, char * str) + +int param_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxdatalen, int *datalen) { + int bg, en; + uint32_t temp; + char buf[5] = {0}; + + if (param_getptr(line, &bg, &en, paramnum)) return 1; + + *datalen = 0; + + int indx = bg; + while (line[indx]) { + if (line[indx] == '\t' || line[indx] == ' ') { + indx++; + continue; + } + + if (isxdigit((unsigned char)line[indx])) { + buf[strlen(buf) + 1] = 0x00; + buf[strlen(buf)] = line[indx]; + } else { + // if we have symbols other than spaces and hex + return 1; + } + + if (*datalen >= maxdatalen) { + // if we dont have space in buffer and have symbols to translate + return 2; + } + + if (strlen(buf) >= 2) { + sscanf(buf, "%x", &temp); + data[*datalen] = (uint8_t)(temp & 0xff); + *buf = 0; + (*datalen)++; + } + + indx++; + } + + if (strlen(buf) > 0) + //error when not completed hex bytes + return 3; + + return 0; +} + +int param_getstr(const char *line, int paramnum, char * str, size_t buffersize) { int bg, en; - if (param_getptr(line, &bg, &en, paramnum)) return 0; + if (param_getptr(line, &bg, &en, paramnum)) { + return 0; + } + + // Prevent out of bounds errors + if (en - bg + 1 >= buffersize) { + printf("out of bounds error: want %d bytes have %zd bytes\n", en - bg + 1 + 1, buffersize); + return 0; + } memcpy(str, line + bg, en - bg + 1); str[en - bg + 1] = 0; @@ -492,6 +588,7 @@ https://github.com/ApertureLabsLtd/RFIDler/blob/master/firmware/Pic32/RFIDler.X/ int hextobinarray(char *target, char *source) { int length, i, count= 0; + char* start = source; char x; length = strlen(source); @@ -507,8 +604,10 @@ int hextobinarray(char *target, char *source) x -= '0'; else if (x >= 'A' && x <= 'F') x -= 'A' - 10; - else + else { + printf("Discovered unknown character %c %d at idx %tu of %s\n", x, x, source - start, start); return 0; + } // output for(i= 0 ; i < 4 ; ++i, ++count) *(target++)= (x >> (3 - i)) & 1; @@ -517,17 +616,6 @@ 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) @@ -550,16 +638,6 @@ 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) { @@ -587,13 +665,6 @@ 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){ @@ -613,50 +684,30 @@ void clean_ascii(unsigned char *buf, size_t len) { } } - -// Timer functions -#if !defined (_WIN32) -#include - -static void nsleep(uint64_t n) { - struct timespec timeout; - timeout.tv_sec = n/1000000000; - timeout.tv_nsec = n%1000000000; - while (nanosleep(&timeout, &timeout) && errno == EINTR); +// replace \r \n to \0 +void strcleanrn(char *buf, size_t len) { + strcreplace(buf, len, '\n', '\0'); + strcreplace(buf, len, '\r', '\0'); } -void msleep(uint32_t n) { - nsleep(1000000 * n); +// replace char in buffer +void strcreplace(char *buf, size_t len, char from, char to) { + for (size_t i = 0; i < len; i++) { + if (buf[i] == from) + buf[i] = to; + } } -#endif // _WIN32 - -// a milliseconds timer for performance measurement -uint64_t msclock() { -#if defined(_WIN32) - #include - - // WORKAROUND FOR MinGW (some versions - use if normal code does not compile) - // It has no _ftime_s and needs explicit inclusion of timeb.h - #include - struct _timeb t; - _ftime(&t); - return 1000 * t.time + t.millitm; - - // NORMAL CODE (use _ftime_s) - //struct _timeb t; - //if (_ftime_s(&t)) { - // return 0; - //} else { - // return 1000 * t.time + t.millitm; - //} -#else - struct timespec t; - clock_gettime(CLOCK_MONOTONIC, &t); - return (t.tv_sec * 1000 + t.tv_nsec / 1000000); -#endif +char *strmcopy(char *buf) { + char * str = NULL; + if ((str = (char*) malloc(strlen(buf) + 1)) != NULL) { + memset(str, 0, strlen(buf) + 1); + strcpy(str, buf); + } + return str; } + // determine number of logical CPU cores (use for multithreaded functions) extern int num_CPUs(void) { @@ -672,3 +723,4 @@ extern int num_CPUs(void) return 1; #endif } +