X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/59f726c989e93a7a29fd23a442bd173839bfc845..refs/pull/450/head:/client/util.c?ds=sidebyside diff --git a/client/util.c b/client/util.c index 374ae397..8357f601 100644 --- a/client/util.c +++ b/client/util.c @@ -9,12 +9,25 @@ //----------------------------------------------------------------------------- #include "util.h" + +#include +#include +#include +#include +#include +#include +#include "data.h" + +#ifdef _WIN32 +#include +#endif + #define MAX_BIN_BREAK_LENGTH (3072+384+1) #ifndef _WIN32 #include #include - +#include int ukbhit(void) { @@ -22,25 +35,25 @@ int ukbhit(void) int error; static struct termios Otty, Ntty; - - if ( tcgetattr( 0, &Otty) == -1 ) return -1; + if ( tcgetattr(STDIN_FILENO, &Otty) == -1 ) return -1; Ntty = Otty; - Ntty.c_iflag = 0; /* input mode */ - Ntty.c_oflag = 0; /* output mode */ - Ntty.c_lflag &= ~ICANON; /* raw mode */ - Ntty.c_cc[VMIN] = CMIN; /* minimum time to wait */ - Ntty.c_cc[VTIME] = CTIME; /* minimum characters to wait for */ - - if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) { - error += ioctl(0, FIONREAD, &cnt); - error += tcsetattr(0, TCSANOW, &Otty); + Ntty.c_iflag = 0x0000; // input mode + Ntty.c_oflag = 0x0000; // output mode + Ntty.c_lflag &= ~ICANON; // control mode = raw + Ntty.c_cc[VMIN] = 1; // return if at least 1 character is in the queue + Ntty.c_cc[VTIME] = 0; // no timeout. Wait forever + + if (0 == (error = tcsetattr(STDIN_FILENO, TCSANOW, &Ntty))) { // set new attributes + error += ioctl(STDIN_FILENO, FIONREAD, &cnt); // get number of characters availabe + error += tcsetattr(STDIN_FILENO, TCSANOW, &Otty); // reset attributes } return ( error == 0 ? cnt : -1 ); } #else + #include int ukbhit(void) { return kbhit(); @@ -156,12 +169,12 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea 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-1; out_index++) { + for (size_t out_index=0; out_index < max_len; out_index++) { // set character - (should be binary but verify it isn't more than 1 digit) if (data[in_index]<10) sprintf(tmp++, "%u", (unsigned int) 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) ) { + if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 < max_len) ) { // increment and print line break out_index++; sprintf(tmp++, "%s","\n"); @@ -180,13 +193,14 @@ 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 = '.'; @@ -244,6 +258,15 @@ void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest) { } } +// Swap bit order on a uint32_t value. Can be limited by nrbits just use say 8bits reversal +// And clears the rest of the bits. +uint32_t SwapBits(uint32_t value, int nrbits) { + uint32_t newvalue = 0; + for(int i = 0; i < nrbits; i++) { + newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i); + } + return newvalue; +} // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp // to @@ -299,7 +322,7 @@ 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) @@ -332,6 +355,15 @@ int param_getptr(const char *line, int *bg, int *en, 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) { int bg, en; @@ -581,3 +613,53 @@ void rol(uint8_t *data, const size_t len){ } data[len-1] = first; } + + +// Replace unprintable characters with a dot in char buffer +void clean_ascii(unsigned char *buf, size_t len) { + for (size_t i = 0; i < len; i++) { + if (!isprint(buf[i])) + buf[i] = '.'; + } +} + +// replace \r \n to \0 +void strcleanrn(char *buf, size_t len) { + strcreplace(buf, len, '\n', '\0'); + strcreplace(buf, len, '\r', '\0'); +} + +// 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; + } +} + +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) +{ +#if defined(_WIN32) + #include + SYSTEM_INFO sysinfo; + GetSystemInfo(&sysinfo); + return sysinfo.dwNumberOfProcessors; +#elif defined(__linux__) || defined(__APPLE__) + #include + return sysconf(_SC_NPROCESSORS_ONLN); +#else + return 1; +#endif +} +