X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9ca155ba443e8f2a9feb7640f4b461842cce9e35..b4a2fcf67695c45c63f485e9e65859b1320050bd:/client/util.c diff --git a/client/util.c b/client/util.c index c7764f70..edd9aebc 100644 --- a/client/util.c +++ b/client/util.c @@ -8,15 +8,12 @@ // utilities //----------------------------------------------------------------------------- -#include -#include -#include -#include #include "util.h" -#ifdef __linux__ +#ifndef _WIN32 #include #include + int ukbhit(void) { int cnt = 0; @@ -48,6 +45,58 @@ int ukbhit(void) { } #endif +// log files functions +void AddLogLine(char *file, char *extData, char *c) { + FILE *fLog = NULL; + char filename[FILE_PATH_SIZE] = {0x00}; + int len = 0; + + len = strlen(file); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, file, len); + + fLog = fopen(filename, "a"); + if (!fLog) { + printf("Could not append log file %s", filename); + return; + } + + fprintf(fLog, "%s", extData); + fprintf(fLog, "%s\n", c); + fclose(fLog); +} + +void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len){ + AddLogLine(fileName, extData, sprint_hex(data, len)); +} + +void AddLogUint64(char *fileName, char *extData, const uint64_t data) { + char buf[100] = {0}; + sprintf(buf, "%x%x", (unsigned int)((data & 0xFFFFFFFF00000000) >> 32), (unsigned int)(data & 0xFFFFFFFF)); + AddLogLine(fileName, extData, buf); +} + +void AddLogCurrentDT(char *fileName) { + char buff[20]; + struct tm *curTime; + + time_t now = time(0); + curTime = gmtime(&now); + + strftime (buff, sizeof(buff), "%Y-%m-%d %H:%M:%S", curTime); + AddLogLine(fileName, "\nanticollision: ", buff); +} + +void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) { + char * fnameptr = fileName; + memset(fileName, 0x00, 200); + + for (int j = 0; j < byteCount; j++, fnameptr += 2) + sprintf(fnameptr, "%02x", uid[j]); + sprintf(fnameptr, "%s", ext); +} + +// printing and converting functions void print_hex(const uint8_t * data, const size_t len) { @@ -60,16 +109,31 @@ void print_hex(const uint8_t * data, const size_t len) } char * sprint_hex(const uint8_t * data, const size_t len) { + + int maxLen = ( len > 1024/3) ? 1024/3 : len; static char buf[1024]; char * tmp = buf; size_t i; - for (i=0; i < len && i < 1024/3; i++, tmp += 3) + for (i=0; i < maxLen; ++i, tmp += 3) sprintf(tmp, "%02x ", data[i]); return buf; } +char * sprint_bin(const uint8_t * data, const size_t len) { + + int maxLen = ( len > 1024) ? 1024 : len; + static char buf[1024]; + char * tmp = buf; + size_t i; + + for (i=0; i < maxLen; ++i, ++tmp) + sprintf(tmp, "%u", data[i]); + + return buf; +} + void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) { while (len--) { @@ -89,6 +153,28 @@ uint64_t bytes_to_num(uint8_t* src, size_t len) return num; } +//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 // ------------------------------------------------------------------------- @@ -127,6 +213,7 @@ int param_getptr(const char *line, int *bg, int *en, int paramnum) return 0; } + char param_getchar(const char *line, int paramnum) { int bg, en; @@ -141,12 +228,41 @@ uint8_t param_get8(const char *line, int paramnum) return param_get8ex(line, paramnum, 10, 0); } +/** + * @brief Reads a decimal integer (actually, 0-254, not 255) + * @param line + * @param paramnum + * @return -1 if error + */ +uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination) +{ + uint8_t val = param_get8ex(line, paramnum, 255, 10); + if( (int8_t) val == -1) return 1; + (*destination) = val; + return 0; +} +/** + * @brief Checks if param is decimal + * @param line + * @param paramnum + * @return + */ +uint8_t param_isdec(const char *line, int paramnum) +{ + int bg, en; + //TODO, check more thorougly + if (!param_getptr(line, &bg, &en, paramnum)) return 1; + // return strtoul(&line[bg], NULL, 10) & 0xff; + + return 0; +} + uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base) { int bg, en; if (!param_getptr(line, &bg, &en, paramnum)) - return strtol(&line[bg], NULL, base) & 0xff; + return strtoul(&line[bg], NULL, base) & 0xff; else return deflt; } @@ -156,7 +272,7 @@ uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base) int bg, en; if (!param_getptr(line, &bg, &en, paramnum)) - return strtol(&line[bg], NULL, base); + return strtoul(&line[bg], NULL, base); else return deflt; } @@ -166,7 +282,7 @@ uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base) int bg, en; if (!param_getptr(line, &bg, &en, paramnum)) - return strtol(&line[bg], NULL, base); + return strtoull(&line[bg], NULL, base); else return deflt; @@ -194,3 +310,114 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt) return 0; } + +int param_getstr(const char *line, int paramnum, char * str) +{ + int bg, en; + + if (param_getptr(line, &bg, &en, paramnum)) return 0; + + memcpy(str, line + bg, en - bg + 1); + str[en - bg + 1] = 0; + + return en - bg + 1; +} + +/* +The following methods comes from Rfidler sourcecode. +https://github.com/ApertureLabsLtd/RFIDler/blob/master/firmware/Pic32/RFIDler.X/src/ +*/ + +// convert hex to sequence of 0/1 bit values +// returns number of bits converted +int hextobinarray(char *target, char *source) +{ + int length, i, count= 0; + char x; + + length = strlen(source); + // process 4 bits (1 hex digit) at a time + while(length--) + { + x= *(source++); + // capitalize + if (x >= 'a' && x <= 'f') + x -= 32; + // convert to numeric value + if (x >= '0' && x <= '9') + x -= '0'; + else if (x >= 'A' && x <= 'F') + x -= 'A' - 10; + else + return 0; + // output + for(i= 0 ; i < 4 ; ++i, ++count) + *(target++)= (x >> (3 - i)) & 1; + } + + 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) +{ + unsigned char i, x; + int j = length; + + if(j % 4) + return 0; + + while(j) + { + for(i= x= 0 ; i < 4 ; ++i) + x += ( source[i] << (3 - i)); + sprintf(target,"%X", x); + ++target; + source += 4; + j -= 4; + } + 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( char *bits, uint8_t type, int length) +{ + int x; + + for(x= 0 ; length > 0 ; --length) + x += bits[length - 1]; + x %= 2; + + return x ^ type; +} + +// 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) +{ + *(target++)= GetParity(source, EVEN, length / 2); + memcpy(target, source, length); + target += length; + *(target)= GetParity(source + length / 2, ODD, length / 2); +}