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/*
* 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;
}
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