/* * wpa_supplicant/hostapd / OS specific functions for Win32 systems * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi> * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "includes.h" #include <time.h> #include <winsock2.h> #include <wincrypt.h> #include "os.h" void os_sleep(os_time_t sec, os_time_t usec) { if (sec) Sleep(sec * 1000); if (usec) Sleep(usec / 1000); } int os_get_time(struct os_time *t) { #define EPOCHFILETIME (116444736000000000ULL) FILETIME ft; LARGE_INTEGER li; ULONGLONG tt; #ifdef _WIN32_WCE SYSTEMTIME st; GetSystemTime(&st); SystemTimeToFileTime(&st, &ft); #else /* _WIN32_WCE */ GetSystemTimeAsFileTime(&ft); #endif /* _WIN32_WCE */ li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; tt = (li.QuadPart - EPOCHFILETIME) / 10; t->sec = (os_time_t) (tt / 1000000); t->usec = (os_time_t) (tt % 1000000); return 0; } int os_mktime(int year, int month, int day, int hour, int min, int sec, os_time_t *t) { struct tm tm, *tm1; time_t t_local, t1, t2; os_time_t tz_offset; if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 || hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 || sec > 60) return -1; memset(&tm, 0, sizeof(tm)); tm.tm_year = year - 1900; tm.tm_mon = month - 1; tm.tm_mday = day; tm.tm_hour = hour; tm.tm_min = min; tm.tm_sec = sec; t_local = mktime(&tm); /* figure out offset to UTC */ tm1 = localtime(&t_local); if (tm1) { t1 = mktime(tm1); tm1 = gmtime(&t_local); if (tm1) { t2 = mktime(tm1); tz_offset = t2 - t1; } else tz_offset = 0; } else tz_offset = 0; *t = (os_time_t) t_local - tz_offset; return 0; } int os_gmtime(os_time_t t, struct os_tm *tm) { struct tm *tm2; time_t t2 = t; tm2 = gmtime(&t2); if (tm2 == NULL) return -1; tm->sec = tm2->tm_sec; tm->min = tm2->tm_min; tm->hour = tm2->tm_hour; tm->day = tm2->tm_mday; tm->month = tm2->tm_mon + 1; tm->year = tm2->tm_year + 1900; return 0; } int os_daemonize(const char *pid_file) { /* TODO */ return -1; } void os_daemonize_terminate(const char *pid_file) { } int os_get_random(unsigned char *buf, size_t len) { HCRYPTPROV prov; BOOL ret; if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) return -1; ret = CryptGenRandom(prov, len, buf); CryptReleaseContext(prov, 0); return ret ? 0 : -1; } unsigned long os_random(void) { return rand(); } char * os_rel2abs_path(const char *rel_path) { return _strdup(rel_path); } int os_program_init(void) { #ifdef CONFIG_NATIVE_WINDOWS WSADATA wsaData; if (WSAStartup(MAKEWORD(2, 0), &wsaData)) { printf("Could not find a usable WinSock.dll\n"); return -1; } #endif /* CONFIG_NATIVE_WINDOWS */ return 0; } void os_program_deinit(void) { #ifdef CONFIG_NATIVE_WINDOWS WSACleanup(); #endif /* CONFIG_NATIVE_WINDOWS */ } int os_setenv(const char *name, const char *value, int overwrite) { return -1; } int os_unsetenv(const char *name) { return -1; } char * os_readfile(const char *name, size_t *len) { FILE *f; char *buf; f = fopen(name, "rb"); if (f == NULL) return NULL; fseek(f, 0, SEEK_END); *len = ftell(f); fseek(f, 0, SEEK_SET); buf = malloc(*len); if (buf == NULL) { fclose(f); return NULL; } fread(buf, 1, *len, f); fclose(f); return buf; } void * os_zalloc(size_t size) { return calloc(1, size); } size_t os_strlcpy(char *dest, const char *src, size_t siz) { const char *s = src; size_t left = siz; if (left) { /* Copy string up to the maximum size of the dest buffer */ while (--left != 0) { if ((*dest++ = *s++) == '\0') break; } } if (left == 0) { /* Not enough room for the string; force NUL-termination */ if (siz != 0) *dest = '\0'; while (*s++) ; /* determine total src string length */ } return s - src - 1; }