├── dnface_opt
    ├── logo.ico
    ├── resource.h
    ├── kdriver.cpp
    ├── dnface_opt.cpp
    ├── dnface_opt.rc
    ├── win32utility.cpp
    ├── dnface_opt.vcxproj.user
    ├── dnface_opt.vcxproj.filters
    ├── kdriver.h
    ├── win32utility.h
    └── dnface_opt.vcxproj
├── README.md
├── LICENSE
└── dnface_opt.sln


/dnface_opt/logo.ico:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/logo.ico


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/dnface_opt/resource.h:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/resource.h


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/dnface_opt/kdriver.cpp:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/kdriver.cpp


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/dnface_opt/dnface_opt.cpp:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/dnface_opt.cpp


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/dnface_opt/dnface_opt.rc:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/dnface_opt.rc


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/dnface_opt/win32utility.cpp:
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https://raw.githubusercontent.com/H3d9/dnface_opt/HEAD/dnface_opt/win32utility.cpp


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/dnface_opt/dnface_opt.vcxproj.user:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 |   <PropertyGroup />
4 | </Project>


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/README.md:
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1 | # 优化DNF内置ACE模块
2 | 论坛链接：https://bbs.colg.cn/thread-8518972-1-1.html
3 | ## 工作原理
4 | 修改ACE-GDPServer64.dll中的sub_180004340()函数：<br>
5 | 将WaitForSingleObject等待结束后执行的Sleep的参数由0修改为100。<br><br>
6 | 【注】使用0调用Sleep仅仅意味着线程放弃当前时间片，并不意味着节省系统资源。
7 | 事实上此时资源已经几乎全部消耗在上下文转换（以及用户-内核态切换）中。


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/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2022 H3d9
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/dnface_opt.sln:
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 1 | 
 2 | Microsoft Visual Studio Solution File, Format Version 12.00
 3 | # Visual Studio Version 16
 4 | VisualStudioVersion = 16.0.32428.217
 5 | MinimumVisualStudioVersion = 10.0.40219.1
 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dnface_opt", "dnface_opt\dnface_opt.vcxproj", "{AFEBB4F6-F8D2-417D-B0DE-F59015343F73}"
 7 | EndProject
 8 | Global
 9 | 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
10 | 		Debug|x64 = Debug|x64
11 | 		Release|x64 = Release|x64
12 | 	EndGlobalSection
13 | 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
14 | 		{AFEBB4F6-F8D2-417D-B0DE-F59015343F73}.Debug|x64.ActiveCfg = Debug|x64
15 | 		{AFEBB4F6-F8D2-417D-B0DE-F59015343F73}.Debug|x64.Build.0 = Debug|x64
16 | 		{AFEBB4F6-F8D2-417D-B0DE-F59015343F73}.Release|x64.ActiveCfg = Release|x64
17 | 		{AFEBB4F6-F8D2-417D-B0DE-F59015343F73}.Release|x64.Build.0 = Release|x64
18 | 	EndGlobalSection
19 | 	GlobalSection(SolutionProperties) = preSolution
20 | 		HideSolutionNode = FALSE
21 | 	EndGlobalSection
22 | 	GlobalSection(ExtensibilityGlobals) = postSolution
23 | 		SolutionGuid = {7CA03A4C-4726-4CB5-A1E6-13B2F300F7A5}
24 | 	EndGlobalSection
25 | EndGlobal
26 | 


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/dnface_opt/dnface_opt.vcxproj.filters:
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 1 | <?xml version="1.0" encoding="utf-8"?>
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 4 |     <Filter Include="资源文件">
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 6 |       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
 7 |     </Filter>
 8 |   </ItemGroup>
 9 |   <ItemGroup>
10 |     <ClInclude Include="win32utility.h" />
11 |     <ClInclude Include="kdriver.h" />
12 |     <ClInclude Include="resource.h" />
13 |   </ItemGroup>
14 |   <ItemGroup>
15 |     <ClCompile Include="win32utility.cpp" />
16 |     <ClCompile Include="dnface_opt.cpp" />
17 |     <ClCompile Include="kdriver.cpp" />
18 |   </ItemGroup>
19 |   <ItemGroup>
20 |     <ResourceCompile Include="dnface_opt.rc">
21 |       <Filter>资源文件</Filter>
22 |     </ResourceCompile>
23 |   </ItemGroup>
24 |   <ItemGroup>
25 |     <Image Include="logo.ico">
26 |       <Filter>资源文件</Filter>
27 |     </Image>
28 |   </ItemGroup>
29 |   <ItemGroup>
30 |     <None Include="..\x64\Release\123.sys" />
31 |   </ItemGroup>
32 | </Project>


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/dnface_opt/kdriver.h:
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 1 | #pragma once
 2 | #include <Windows.h>
 3 | #include <string>
 4 | #include <vector>
 5 | #include <memory>
 6 | 
 7 | 
 8 | // driver io module (sington)
 9 | class KernelDriver {
10 | 
11 | private:
12 | 	static KernelDriver  kernelDriver;
13 | 
14 | private:
15 | 	KernelDriver();
16 | 	~KernelDriver();
17 | 	KernelDriver(const KernelDriver&)               = delete;
18 | 	KernelDriver(KernelDriver&&)                    = delete;
19 | 	KernelDriver& operator= (const KernelDriver&)   = delete;
20 | 	KernelDriver& operator= (KernelDriver&&)        = delete;
21 | 
22 | public:
23 | 	static KernelDriver& getInstance();
24 | 
25 | public:
26 | 	bool     init();
27 | 	bool     load();
28 | 	void     unload();
29 | 	bool     readVM(DWORD pid, PVOID out, PVOID targetAddress);
30 | 	bool     writeVM(DWORD pid, PVOID in, PVOID targetAddress);
31 | 	bool     searchVad(DWORD pid, std::vector<ULONG64>& out, const wchar_t* moduleName);
32 | 
33 | private:
34 | 	bool     _startService();
35 | 	void     _endService();
36 | 
37 | private:
38 | 	struct VMIO_REQUEST {
39 | 		HANDLE   pid;
40 | 
41 | 		PVOID    address           = NULL;
42 | 		CHAR     data   [0x1000]   = {};
43 | 
44 | 		ULONG    errorCode         = 0;
45 | 		CHAR     errorFunc [128]   = {};
46 | 
47 | 		VMIO_REQUEST(DWORD pid) : pid(reinterpret_cast<HANDLE>(static_cast<LONG64>(pid))) {}
48 | 	};
49 | 
50 | 	static constexpr DWORD   VMIO_VERSION  = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x0700, METHOD_BUFFERED, FILE_SPECIAL_ACCESS);
51 | 	static constexpr DWORD   VMIO_READ     = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x0701, METHOD_BUFFERED, FILE_SPECIAL_ACCESS);
52 | 	static constexpr DWORD   VMIO_WRITE    = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x0702, METHOD_BUFFERED, FILE_SPECIAL_ACCESS);
53 | 	static constexpr DWORD	 VM_VADSEARCH  = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x0706, METHOD_BUFFERED, FILE_SPECIAL_ACCESS);
54 | 
55 | 	std::string     sysfile;
56 | 	SC_HANDLE       hSCManager;
57 | 	SC_HANDLE       hService;
58 | 	HANDLE          hDriver;
59 | 
60 | 
61 | public:
62 | 	volatile DWORD  errorCode;     // module's errors recorded here (if method returns false).
63 | 	const CHAR*     errorMessage;  // caller can decide to log, panic, or ignore.
64 | 
65 | private:
66 | 	void            _resetError();
67 | 	void            _recordError(DWORD errorCode, const CHAR* msg, ...);
68 | 
69 | private:
70 | 	std::unique_ptr<CHAR[]>  errorMessage_ptr;
71 | };


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/dnface_opt/win32utility.h:
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 1 | #pragma once
 2 | #include <Windows.h>
 3 | #include <vector>
 4 | #include <string>
 5 | 
 6 | // thread module wrapper (raii, see: std::shared_ptr)
 7 | struct win32Thread {
 8 | 
 9 | 	// general properties
10 | 	DWORD       tid;
11 | 	HANDLE      handle;
12 | 
13 | 	// time properties
14 | 	ULONG64     cycles;
15 | 	ULONG64     cycleDelta;
16 | 	ULONG64     cycleDeltaAvg;
17 | 
18 | 	// ctors
19 | 	win32Thread(DWORD tid, DWORD desiredAccess = THREAD_ALL_ACCESS);
20 | 	~win32Thread();
21 | 	win32Thread(const win32Thread& t);
22 | 	win32Thread(win32Thread&& t) noexcept;
23 | 	win32Thread& operator= (win32Thread t) noexcept;
24 | 	// win32Thread& operator= (win32Thread&&);  >> no need; overload resolution is before '=delete'
25 | 	
26 | private:
27 | 	DWORD*      _refCount;
28 | 
29 | private:
30 | 	static void _mySwap(win32Thread& t1, win32Thread& t2);  // friend ADL? no way, i don't need inline
31 | };
32 | 
33 | 
34 | // general thread toolkit
35 | class win32ThreadManager {
36 | 
37 | public:
38 | 	win32ThreadManager();
39 | 	~win32ThreadManager()                                      = default;
40 | 	win32ThreadManager(const win32ThreadManager&)              = delete;
41 | 	win32ThreadManager(win32ThreadManager&&)                   = delete;
42 | 	win32ThreadManager& operator= (const win32ThreadManager&)  = delete;
43 | 	win32ThreadManager& operator= (win32ThreadManager&&)       = delete;
44 | 
45 | 	std::vector<DWORD>  getTargetPid(const char* procName = "DNF.exe");
46 | 	
47 | public:
48 | 	DWORD                      pid;
49 | 	DWORD                      threadCount;
50 | 	std::vector<win32Thread>   threadList;
51 | };
52 | 
53 | 
54 | // general system toolkit (sington)
55 | class win32SystemManager {
56 | 
57 | private:
58 | 	static win32SystemManager  systemManager;
59 | 
60 | private:
61 | 	win32SystemManager();
62 | 	~win32SystemManager();
63 | 	win32SystemManager(const win32SystemManager&)               = delete;
64 | 	win32SystemManager(win32SystemManager&&)                    = delete;
65 | 	win32SystemManager& operator= (const win32SystemManager&)   = delete;
66 | 	win32SystemManager& operator= (win32SystemManager&&)        = delete;
67 | 
68 | public:
69 | 	static win32SystemManager&  getInstance();
70 | 
71 | public:
72 | 	bool       enableDebugPrivilege();
73 | 
74 | public:
75 | 	void       panic(const char* format, ...);
76 | 	void       panic(DWORD errorCode, const char* format, ...);
77 | 	
78 | private:
79 | 	void     _panic(DWORD code, const char* showbuf);
80 | };


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153 |     <ResourceCompile Include="dnface_opt.rc" />
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156 |     <Image Include="logo.ico" />
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