1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.Runtime.Interop
{
using System;
using System.Text;
using System.Security;
using System.Collections.Generic;
using System.Runtime.Versioning;
using Microsoft.Win32.SafeHandles;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.Diagnostics;
using FILETIME = System.Runtime.InteropServices.ComTypes.FILETIME;
[SuppressUnmanagedCodeSecurity]
static class UnsafeNativeMethods
{
public const string KERNEL32 = "kernel32.dll";
public const String ADVAPI32 = "advapi32.dll";
public const int ERROR_INVALID_HANDLE = 6;
public const int ERROR_MORE_DATA = 234;
public const int ERROR_ARITHMETIC_OVERFLOW = 534;
public const int ERROR_NOT_ENOUGH_MEMORY = 8;
[StructLayout(LayoutKind.Explicit, Size = 16)]
public struct EventData
{
[FieldOffset(0)]
internal UInt64 DataPointer;
[FieldOffset(8)]
internal uint Size;
[FieldOffset(12)]
internal int Reserved;
}
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, BestFitMapping = false, CharSet = CharSet.Auto)]
[ResourceExposure(ResourceScope.Process)]
[SecurityCritical]
public static extern SafeWaitHandle CreateWaitableTimer(IntPtr mustBeZero, bool manualReset, string timerName);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, ExactSpelling = true)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
public static extern bool SetWaitableTimer(SafeWaitHandle handle, ref long dueTime, int period, IntPtr mustBeZero, IntPtr mustBeZeroAlso, bool resume);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, SetLastError = true)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
public static extern int QueryPerformanceCounter(out long time);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, SetLastError = false)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
public static extern uint GetSystemTimeAdjustment(
[Out] out int adjustment,
[Out] out uint increment,
[Out] out uint adjustmentDisabled
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, SetLastError = true)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
private static extern void GetSystemTimeAsFileTime([Out] out FILETIME time);
[SecurityCritical]
public static void GetSystemTimeAsFileTime(out long time) {
FILETIME fileTime;
GetSystemTimeAsFileTime(out fileTime);
time = 0;
time |= (uint)fileTime.dwHighDateTime;
time <<= sizeof(uint) * 8;
time |= (uint)fileTime.dwLowDateTime;
}
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.SpecifyMarshalingForPInvokeStringArguments, Justification = "")]
[DllImport(KERNEL32, SetLastError = true, CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
static extern bool GetComputerNameEx
(
[In] ComputerNameFormat nameType,
[In, Out, MarshalAs(UnmanagedType.LPTStr)] StringBuilder lpBuffer,
[In, Out] ref int size
);
[SecurityCritical]
internal static string GetComputerName(ComputerNameFormat nameType)
{
int length = 0;
if (!GetComputerNameEx(nameType, null, ref length))
{
int error = Marshal.GetLastWin32Error();
if (error != ERROR_MORE_DATA)
{
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
}
if (length < 0)
{
Fx.AssertAndThrow("GetComputerName returned an invalid length: " + length);
}
StringBuilder stringBuilder = new StringBuilder(length);
if (!GetComputerNameEx(nameType, stringBuilder, ref length))
{
int error = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
return stringBuilder.ToString();
}
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
internal static extern bool IsDebuggerPresent();
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32)]
[ResourceExposure(ResourceScope.Process)]
[SecurityCritical]
internal static extern void DebugBreak();
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(KERNEL32, CharSet = CharSet.Unicode)]
[ResourceExposure(ResourceScope.Process)]
[SecurityCritical]
internal static extern void OutputDebugString(string lpOutputString);
//
// Callback
//
[SecurityCritical]
internal unsafe delegate void EtwEnableCallback(
[In] ref Guid sourceId,
[In] int isEnabled,
[In] byte level,
[In] long matchAnyKeywords,
[In] long matchAllKeywords,
[In] void* filterData,
[In] void* callbackContext
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventRegister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventRegister(
[In] ref Guid providerId,
[In]EtwEnableCallback enableCallback,
[In]void* callbackContext,
[In][Out]ref long registrationHandle
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventUnregister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern uint EventUnregister([In] long registrationHandle);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventEnabled", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern bool EventEnabled([In] long registrationHandle, [In] ref EventDescriptor eventDescriptor);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWrite", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWrite(
[In] long registrationHandle,
[In] ref EventDescriptor eventDescriptor,
[In] uint userDataCount,
[In] EventData* userData
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWriteTransfer", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWriteTransfer(
[In] long registrationHandle,
[In] ref EventDescriptor eventDescriptor,
[In] ref Guid activityId,
[In] ref Guid relatedActivityId,
[In] uint userDataCount,
[In] EventData* userData
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWriteString", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWriteString(
[In] long registrationHandle,
[In] byte level,
[In] long keywords,
[In] char* message
);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventActivityIdControl", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventActivityIdControl([In] int ControlCode, [In][Out] ref Guid ActivityId);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, CharSet = System.Runtime.InteropServices.CharSet.Unicode, SetLastError = true)]
[ResourceExposure(ResourceScope.None)]
[SecurityCritical]
[Fx.Tag.SecurityNote(Critical = "Accesses security critical type SafeHandle")]
internal static extern bool ReportEvent(SafeHandle hEventLog, ushort type, ushort category,
uint eventID, byte[] userSID, ushort numStrings, uint dataLen, HandleRef strings,
byte[] rawData);
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage,
Justification = "This PInvoke call has been reviewed")]
[DllImport(ADVAPI32, CharSet = System.Runtime.InteropServices.CharSet.Unicode, SetLastError = true)]
[ResourceExposure(ResourceScope.Machine)]
[Fx.Tag.SecurityNote(Critical = "Returns security critical type SafeEventLogWriteHandle")]
[SecurityCritical]
internal static extern SafeEventLogWriteHandle RegisterEventSource(string uncServerName, string sourceName);
}
}
|
