1 /* 2 * wpa_supplicant/hostapd / OS specific functions for Win32 systems 3 * Copyright (c) 2005-2006, Jouni Malinen <j (at) w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #include "includes.h" 16 #include <winsock2.h> 17 #include <wincrypt.h> 18 19 #include "os.h" 20 21 void os_sleep(os_time_t sec, os_time_t usec) 22 { 23 if (sec) 24 Sleep(sec * 1000); 25 if (usec) 26 Sleep(usec / 1000); 27 } 28 29 30 int os_get_time(struct os_time *t) 31 { 32 #define EPOCHFILETIME (116444736000000000ULL) 33 FILETIME ft; 34 LARGE_INTEGER li; 35 ULONGLONG tt; 36 37 #ifdef _WIN32_WCE 38 SYSTEMTIME st; 39 40 GetSystemTime(&st); 41 SystemTimeToFileTime(&st, &ft); 42 #else /* _WIN32_WCE */ 43 GetSystemTimeAsFileTime(&ft); 44 #endif /* _WIN32_WCE */ 45 li.LowPart = ft.dwLowDateTime; 46 li.HighPart = ft.dwHighDateTime; 47 tt = (li.QuadPart - EPOCHFILETIME) / 10; 48 t->sec = (os_time_t) (tt / 1000000); 49 t->usec = (os_time_t) (tt % 1000000); 50 51 return 0; 52 } 53 54 55 int os_mktime(int year, int month, int day, int hour, int min, int sec, 56 os_time_t *t) 57 { 58 struct tm tm, *tm1; 59 time_t t_local, t1, t2; 60 os_time_t tz_offset; 61 62 if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 || 63 hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 || 64 sec > 60) 65 return -1; 66 67 memset(&tm, 0, sizeof(tm)); 68 tm.tm_year = year - 1900; 69 tm.tm_mon = month - 1; 70 tm.tm_mday = day; 71 tm.tm_hour = hour; 72 tm.tm_min = min; 73 tm.tm_sec = sec; 74 75 t_local = mktime(&tm); 76 77 /* figure out offset to UTC */ 78 tm1 = localtime(&t_local); 79 if (tm1) { 80 t1 = mktime(tm1); 81 tm1 = gmtime(&t_local); 82 if (tm1) { 83 t2 = mktime(tm1); 84 tz_offset = t2 - t1; 85 } else 86 tz_offset = 0; 87 } else 88 tz_offset = 0; 89 90 *t = (os_time_t) t_local - tz_offset; 91 return 0; 92 } 93 94 95 int os_daemonize(const char *pid_file) 96 { 97 /* TODO */ 98 return -1; 99 } 100 101 102 void os_daemonize_terminate(const char *pid_file) 103 { 104 } 105 106 107 int os_get_random(unsigned char *buf, size_t len) 108 { 109 HCRYPTPROV prov; 110 BOOL ret; 111 112 if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, 113 CRYPT_VERIFYCONTEXT)) 114 return -1; 115 116 ret = CryptGenRandom(prov, len, buf); 117 CryptReleaseContext(prov, 0); 118 119 return ret ? 0 : -1; 120 } 121 122 123 unsigned long os_random(void) 124 { 125 return rand(); 126 } 127 128 129 char * os_rel2abs_path(const char *rel_path) 130 { 131 return _strdup(rel_path); 132 } 133 134 135 int os_program_init(void) 136 { 137 #ifdef CONFIG_NATIVE_WINDOWS 138 WSADATA wsaData; 139 if (WSAStartup(MAKEWORD(2, 0), &wsaData)) { 140 printf("Could not find a usable WinSock.dll\n"); 141 return -1; 142 } 143 #endif /* CONFIG_NATIVE_WINDOWS */ 144 return 0; 145 } 146 147 148 void os_program_deinit(void) 149 { 150 #ifdef CONFIG_NATIVE_WINDOWS 151 WSACleanup(); 152 #endif /* CONFIG_NATIVE_WINDOWS */ 153 } 154 155 156 int os_setenv(const char *name, const char *value, int overwrite) 157 { 158 return -1; 159 } 160 161 162 int os_unsetenv(const char *name) 163 { 164 return -1; 165 } 166 167 168 char * os_readfile(const char *name, size_t *len) 169 { 170 FILE *f; 171 char *buf; 172 173 f = fopen(name, "rb"); 174 if (f == NULL) 175 return NULL; 176 177 fseek(f, 0, SEEK_END); 178 *len = ftell(f); 179 fseek(f, 0, SEEK_SET); 180 181 buf = malloc(*len); 182 if (buf == NULL) { 183 fclose(f); 184 return NULL; 185 } 186 187 fread(buf, 1, *len, f); 188 fclose(f); 189 190 return buf; 191 } 192 193 194 void * os_zalloc(size_t size) 195 { 196 return calloc(1, size); 197 } 198
