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 RTC_BASE_WIN32_H_
12 #define RTC_BASE_WIN32_H_
13 
14 #ifndef WEBRTC_WIN
15 #error "Only #include this header in Windows builds"
16 #endif
17 
18 // Make sure we don't get min/max macros
19 #ifndef NOMINMAX
20 #define NOMINMAX
21 #endif
22 
23 // clang-format off
24 // clang formating would change include order.
25 #include <winsock2.h> // must come first
26 #include <windows.h>
27 // clang-format on
28 
29 typedef int socklen_t;
30 
31 #ifndef SECURITY_MANDATORY_LABEL_AUTHORITY
32 // Add defines that we use if we are compiling against older sdks
33 #define SECURITY_MANDATORY_MEDIUM_RID (0x00002000L)
34 #define TokenIntegrityLevel static_cast<TOKEN_INFORMATION_CLASS>(0x19)
35 typedef struct _TOKEN_MANDATORY_LABEL {
36   SID_AND_ATTRIBUTES Label;
37 } TOKEN_MANDATORY_LABEL, *PTOKEN_MANDATORY_LABEL;
38 #endif  // SECURITY_MANDATORY_LABEL_AUTHORITY
39 
40 #undef SetPort
41 
42 #include <string>
43 
44 namespace rtc {
45 
46 const char* win32_inet_ntop(int af, const void* src, char* dst, socklen_t size);
47 int win32_inet_pton(int af, const char* src, void* dst);
48 
49 enum WindowsMajorVersions {
50   kWindows2000 = 5,
51   kWindowsVista = 6,
52   kWindows10 = 10,
53 };
54 
55 #if !defined(WINUWP)
56 bool GetOsVersion(int* major, int* minor, int* build);
57 
IsWindowsVistaOrLater()58 inline bool IsWindowsVistaOrLater() {
59   int major;
60   return (GetOsVersion(&major, nullptr, nullptr) && major >= kWindowsVista);
61 }
62 
IsWindowsXpOrLater()63 inline bool IsWindowsXpOrLater() {
64   int major, minor;
65   return (GetOsVersion(&major, &minor, nullptr) &&
66           (major >= kWindowsVista || (major == kWindows2000 && minor >= 1)));
67 }
68 
IsWindows8OrLater()69 inline bool IsWindows8OrLater() {
70   int major, minor;
71   return (GetOsVersion(&major, &minor, nullptr) &&
72           (major > kWindowsVista || (major == kWindowsVista && minor >= 2)));
73 }
74 
IsWindows10OrLater()75 inline bool IsWindows10OrLater() {
76   int major;
77   return (GetOsVersion(&major, nullptr, nullptr) && (major >= kWindows10));
78 }
79 
80 #else
81 
82 // When targetting WinUWP the OS must be Windows 10 (or greater) as lesser
83 // Windows OS targets are not supported.
IsWindowsVistaOrLater()84 inline bool IsWindowsVistaOrLater() {
85   return true;
86 }
87 
IsWindowsXpOrLater()88 inline bool IsWindowsXpOrLater() {
89   return true;
90 }
91 
IsWindows8OrLater()92 inline bool IsWindows8OrLater() {
93   return true;
94 }
95 
IsWindows10OrLater()96 inline bool IsWindows10OrLater() {
97   return true;
98 }
99 
100 #endif  // !defined(WINUWP)
101 
102 }  // namespace rtc
103 
104 #endif  // RTC_BASE_WIN32_H_
105