X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c7b2751136b82bb3c0c61b49cc8cb4008a65d8dd..refs/pull/524/head:/client/util.c diff --git a/client/util.c b/client/util.c index 13067ec1..b7f07bde 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 @@ -22,6 +18,10 @@ #include #include "data.h" +#ifdef _WIN32 +#include +#endif + #define MAX_BIN_BREAK_LENGTH (3072+384+1) #ifndef _WIN32 @@ -111,6 +111,31 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) sprintf(fnameptr, "%s", ext); } +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; + + int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len; + + for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) { + sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]); + + for (int j = 0; j < spaces_between; j++) + sprintf(tmp + 2 + j, " "); + } + + 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 void print_hex(const uint8_t * data, const size_t len) @@ -141,19 +166,25 @@ void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) { } char *sprint_hex(const uint8_t *data, const size_t len) { + static char buf[1025] = {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[1025] = {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; @@ -193,13 +224,14 @@ 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; - + 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; - while(i < max_len){ + // add another 255 characters ascii = 1020 characters of buffer used + while(i < max_len) { char c = data[i]; if ( (c < 32) || (c == 127)) c = '.'; @@ -209,7 +241,7 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) { 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); @@ -220,9 +252,18 @@ 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; } +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--) { @@ -321,7 +362,7 @@ char * printBits(size_t const size, void const * const ptr) // ------------------------------------------------------------------------- // 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 +395,28 @@ 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) @@ -470,11 +526,66 @@ 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(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 +603,7 @@ 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 +619,10 @@ 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 %d of %s\n", x, x, source - start, start); return 0; + } // output for(i= 0 ; i < 4 ; ++i, ++count) *(target++)= (x >> (3 - i)) & 1; @@ -613,50 +727,30 @@ 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 +766,4 @@ extern int num_CPUs(void) return 1; #endif } +