The Android Open Source Project | 845e012 | 2009-03-03 19:31:34 -0800 | [diff] [blame] | 1 | /* |
| 2 | * wpa_supplicant/hostapd / OS specific functions for Win32 systems |
| 3 | * Copyright (c) 2005-2006, Jouni Malinen <j@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 | } |