1/*
2 *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_BASE_WIN32_H_
12#define WEBRTC_BASE_WIN32_H_
13
14#if defined(WEBRTC_WIN)
15
16#ifndef WIN32_LEAN_AND_MEAN
17#define WIN32_LEAN_AND_MEAN
18#endif
19
20// Make sure we don't get min/max macros
21#ifndef NOMINMAX
22#define NOMINMAX
23#endif
24
25#include <winsock2.h>
26#include <windows.h>
27
28#ifndef SECURITY_MANDATORY_LABEL_AUTHORITY
29// Add defines that we use if we are compiling against older sdks
30#define SECURITY_MANDATORY_MEDIUM_RID               (0x00002000L)
31#define TokenIntegrityLevel static_cast<TOKEN_INFORMATION_CLASS>(0x19)
32typedef struct _TOKEN_MANDATORY_LABEL {
33    SID_AND_ATTRIBUTES Label;
34} TOKEN_MANDATORY_LABEL, *PTOKEN_MANDATORY_LABEL;
35#endif  // SECURITY_MANDATORY_LABEL_AUTHORITY
36
37#undef SetPort
38
39#include <string>
40
41#include "webrtc/base/stringutils.h"
42#include "webrtc/base/basictypes.h"
43
44namespace rtc {
45
46const char* win32_inet_ntop(int af, const void *src, char* dst, socklen_t size);
47int win32_inet_pton(int af, const char* src, void *dst);
48
49///////////////////////////////////////////////////////////////////////////////
50
51inline std::wstring ToUtf16(const char* utf8, size_t len) {
52  int len16 = ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len),
53                                    NULL, 0);
54  wchar_t* ws = STACK_ARRAY(wchar_t, len16);
55  ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len), ws, len16);
56  return std::wstring(ws, len16);
57}
58
59inline std::wstring ToUtf16(const std::string& str) {
60  return ToUtf16(str.data(), str.length());
61}
62
63inline std::string ToUtf8(const wchar_t* wide, size_t len) {
64  int len8 = ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len),
65                                   NULL, 0, NULL, NULL);
66  char* ns = STACK_ARRAY(char, len8);
67  ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len), ns, len8,
68                        NULL, NULL);
69  return std::string(ns, len8);
70}
71
72inline std::string ToUtf8(const wchar_t* wide) {
73  return ToUtf8(wide, wcslen(wide));
74}
75
76inline std::string ToUtf8(const std::wstring& wstr) {
77  return ToUtf8(wstr.data(), wstr.length());
78}
79
80// Convert FILETIME to time_t
81void FileTimeToUnixTime(const FILETIME& ft, time_t* ut);
82
83// Convert time_t to FILETIME
84void UnixTimeToFileTime(const time_t& ut, FILETIME * ft);
85
86// Convert a Utf8 path representation to a non-length-limited Unicode pathname.
87bool Utf8ToWindowsFilename(const std::string& utf8, std::wstring* filename);
88
89// Convert a FILETIME to a UInt64
90inline uint64 ToUInt64(const FILETIME& ft) {
91  ULARGE_INTEGER r = {ft.dwLowDateTime, ft.dwHighDateTime};
92  return r.QuadPart;
93}
94
95enum WindowsMajorVersions {
96  kWindows2000 = 5,
97  kWindowsVista = 6,
98};
99bool GetOsVersion(int* major, int* minor, int* build);
100
101inline bool IsWindowsVistaOrLater() {
102  int major;
103  return (GetOsVersion(&major, NULL, NULL) && major >= kWindowsVista);
104}
105
106inline bool IsWindowsXpOrLater() {
107  int major, minor;
108  return (GetOsVersion(&major, &minor, NULL) &&
109          (major >= kWindowsVista ||
110          (major == kWindows2000 && minor >= 1)));
111}
112
113// Determine the current integrity level of the process.
114bool GetCurrentProcessIntegrityLevel(int* level);
115
116inline bool IsCurrentProcessLowIntegrity() {
117  int level;
118  return (GetCurrentProcessIntegrityLevel(&level) &&
119      level < SECURITY_MANDATORY_MEDIUM_RID);
120}
121
122bool AdjustCurrentProcessPrivilege(const TCHAR* privilege, bool to_enable);
123
124///////////////////////////////////////////////////////////////////////////////
125
126}  // namespace rtc
127
128#endif  // WEBRTC_WIN
129#endif  // WEBRTC_BASE_WIN32_H_
130