X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2d0717853d6f1d406e00437050c7b40e46ae8121..refs/pull/254/head:/client/util.c diff --git a/client/util.c b/client/util.c index 374ae397..d07c915c 100644 --- a/client/util.c +++ b/client/util.c @@ -8,13 +8,26 @@ // utilities //----------------------------------------------------------------------------- +#if !defined(_WIN32) +#define _POSIX_C_SOURCE 199309L // need nanosleep() +#endif + #include "util.h" + +#include +#include +#include +#include +#include +#include +#include "data.h" + #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(); @@ -244,6 +257,15 @@ 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 @@ -581,3 +603,47 @@ 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] = '.'; + } +} + + +// 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); +} + +void msleep(uint32_t n) { + nsleep(1000000 * n); +} + +#endif // _WIN32 + +// a milliseconds timer for performance measurement +uint64_t msclock() { +#if defined(_WIN32) +#include + 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 +}