Browse Source
Hoisted Doorstop files the rest of the way out of the submodule
This also adds some error tracking stuff to Doorstoppull/46/head
29 changed files with 2520 additions and 1 deletions
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+0 -1Doorstop
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+325 -0Doorstop/.gitignore
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+58 -0Doorstop/DoorstopTest/DoorstopTest.csproj
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+24 -0Doorstop/DoorstopTest/Loader.cs
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+36 -0Doorstop/DoorstopTest/Properties/AssemblyInfo.cs
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+116 -0Doorstop/LICENSE
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+190 -0Doorstop/Proxy/Proxy.vcxproj
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+61 -0Doorstop/Proxy/Proxy.vcxproj.filters
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+63 -0Doorstop/Proxy/assert_util.h
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+137 -0Doorstop/Proxy/config.h
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+65 -0Doorstop/Proxy/crt.h
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+64 -0Doorstop/Proxy/dll.def
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+162 -0Doorstop/Proxy/hook.h
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+462 -0Doorstop/Proxy/main.c
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+105 -0Doorstop/Proxy/mono.h
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+133 -0Doorstop/Proxy/proxy.c
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+54 -0Doorstop/Proxy/proxy.def
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+74 -0Doorstop/Proxy/proxy.h
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BINDoorstop/Proxy/proxy.rc
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+63 -0Doorstop/Proxy/proxydefs.txt
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+65 -0Doorstop/Proxy/winapi_util.h
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+47 -0Doorstop/README.md
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+77 -0Doorstop/UnityDoorstop.sln
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BINDoorstop/docs/logo.png
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BINDoorstop/docs/logo_sm.png
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+52 -0Doorstop/proxygen/proxy_gen.py
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+34 -0Doorstop/proxygen/templates/proxy_template.c
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+3 -0Doorstop/proxygen/templates/proxy_template.def
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+50 -0Doorstop/proxygen/winhttp.txt
+ 325
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Doorstop/.gitignore
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| @ -0,0 +1,325 @@ | |||||
| ## Ignore Visual Studio temporary files, build results, and | |||||
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Doorstop/DoorstopTest/DoorstopTest.csproj
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| @ -0,0 +1,58 @@ | |||||
| <?xml version="1.0" encoding="utf-8"?> | |||||
| <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | |||||
| <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> | |||||
| <PropertyGroup> | |||||
| <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> | |||||
| <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> | |||||
| <ProjectGuid>{62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}</ProjectGuid> | |||||
| <OutputType>Library</OutputType> | |||||
| <AppDesignerFolder>Properties</AppDesignerFolder> | |||||
| <RootNamespace>Doorstop</RootNamespace> | |||||
| <AssemblyName>Doorstop</AssemblyName> | |||||
| <TargetFrameworkVersion>v3.5</TargetFrameworkVersion> | |||||
| <FileAlignment>512</FileAlignment> | |||||
| </PropertyGroup> | |||||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> | |||||
| <DebugSymbols>true</DebugSymbols> | |||||
| <DebugType>full</DebugType> | |||||
| <Optimize>false</Optimize> | |||||
| <OutputPath>bin\Debug\</OutputPath> | |||||
| <DefineConstants>DEBUG;TRACE</DefineConstants> | |||||
| <ErrorReport>prompt</ErrorReport> | |||||
| <WarningLevel>4</WarningLevel> | |||||
| </PropertyGroup> | |||||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> | |||||
| <DebugType>pdbonly</DebugType> | |||||
| <Optimize>true</Optimize> | |||||
| <OutputPath>bin\Release\</OutputPath> | |||||
| <DefineConstants>TRACE</DefineConstants> | |||||
| <ErrorReport>prompt</ErrorReport> | |||||
| <WarningLevel>4</WarningLevel> | |||||
| </PropertyGroup> | |||||
| <PropertyGroup> | |||||
| <StartupObject /> | |||||
| </PropertyGroup> | |||||
| <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Verbose|AnyCPU'"> | |||||
| <DebugSymbols>true</DebugSymbols> | |||||
| <OutputPath>bin\Verbose\</OutputPath> | |||||
| <DefineConstants>DEBUG;TRACE</DefineConstants> | |||||
| <DebugType>full</DebugType> | |||||
| <PlatformTarget>AnyCPU</PlatformTarget> | |||||
| <ErrorReport>prompt</ErrorReport> | |||||
| <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet> | |||||
| </PropertyGroup> | |||||
| <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Verbose_Release|AnyCPU'"> | |||||
| <OutputPath>bin\Verbose_Release\</OutputPath> | |||||
| <DefineConstants>TRACE</DefineConstants> | |||||
| <Optimize>true</Optimize> | |||||
| <DebugType>pdbonly</DebugType> | |||||
| <PlatformTarget>AnyCPU</PlatformTarget> | |||||
| <ErrorReport>prompt</ErrorReport> | |||||
| <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet> | |||||
| </PropertyGroup> | |||||
| <ItemGroup> | |||||
| <Compile Include="Loader.cs" /> | |||||
| <Compile Include="Properties\AssemblyInfo.cs" /> | |||||
| </ItemGroup> | |||||
| <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> | |||||
| </Project> | |||||
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Doorstop/DoorstopTest/Loader.cs
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| using System; | |||||
| using System.IO; | |||||
| namespace Doorstop | |||||
| { | |||||
| public static class Loader | |||||
| { | |||||
| public static void Main(string[] args) | |||||
| { | |||||
| using (TextWriter tw = File.CreateText("doorstop_is_alive.txt")) | |||||
| { | |||||
| tw.WriteLine($"Hello! This text file was generated by Doorstop on {DateTime.Now:R}!"); | |||||
| tw.WriteLine($"I was called with {args.Length} params!"); | |||||
| for (int i = 0; i < args.Length; i++) | |||||
| tw.WriteLine($"{i} => {args[i]}"); | |||||
| tw.WriteLine("Replace this DLL with a custom-made one to do whatever you want!"); | |||||
| tw.Flush(); | |||||
| } | |||||
| } | |||||
| } | |||||
| } | |||||
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| @ -0,0 +1,36 @@ | |||||
| using System.Reflection; | |||||
| using System.Runtime.CompilerServices; | |||||
| using System.Runtime.InteropServices; | |||||
| // General Information about an assembly is controlled through the following | |||||
| // set of attributes. Change these attribute values to modify the information | |||||
| // associated with an assembly. | |||||
| [assembly: AssemblyTitle("PatchLoader")] | |||||
| [assembly: AssemblyDescription("")] | |||||
| [assembly: AssemblyConfiguration("")] | |||||
| [assembly: AssemblyCompany("")] | |||||
| [assembly: AssemblyProduct("PatchLoader")] | |||||
| [assembly: AssemblyCopyright("Copyright © 2018")] | |||||
| [assembly: AssemblyTrademark("")] | |||||
| [assembly: AssemblyCulture("")] | |||||
| // Setting ComVisible to false makes the types in this assembly not visible | |||||
| // to COM components. If you need to access a type in this assembly from | |||||
| // COM, set the ComVisible attribute to true on that type. | |||||
| [assembly: ComVisible(false)] | |||||
| // The following GUID is for the ID of the typelib if this project is exposed to COM | |||||
| [assembly: Guid("62b61ccc-0775-4cf4-b37a-eb5e33cbd08c")] | |||||
| // Version information for an assembly consists of the following four values: | |||||
| // | |||||
| // Major Version | |||||
| // Minor Version | |||||
| // Build Number | |||||
| // Revision | |||||
| // | |||||
| // You can specify all the values or you can default the Build and Revision Numbers | |||||
| // by using the '*' as shown below: | |||||
| // [assembly: AssemblyVersion("1.0.*")] | |||||
| [assembly: AssemblyVersion("1.0.0.0")] | |||||
| [assembly: AssemblyFileVersion("1.0.0.0")] | |||||
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Doorstop/LICENSE
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| @ -0,0 +1,116 @@ | |||||
| CC0 1.0 Universal | |||||
| Statement of Purpose | |||||
| The laws of most jurisdictions throughout the world automatically confer | |||||
| exclusive Copyright and Related Rights (defined below) upon the creator and | |||||
| subsequent owner(s) (each and all, an "owner") of an original work of | |||||
| authorship and/or a database (each, a "Work"). | |||||
| Certain owners wish to permanently relinquish those rights to a Work for the | |||||
| purpose of contributing to a commons of creative, cultural and scientific | |||||
| works ("Commons") that the public can reliably and without fear of later | |||||
| claims of infringement build upon, modify, incorporate in other works, reuse | |||||
| and redistribute as freely as possible in any form whatsoever and for any | |||||
| purposes, including without limitation commercial purposes. These owners may | |||||
| contribute to the Commons to promote the ideal of a free culture and the | |||||
| further production of creative, cultural and scientific works, or to gain | |||||
| reputation or greater distribution for their Work in part through the use and | |||||
| efforts of others. | |||||
| For these and/or other purposes and motivations, and without any expectation | |||||
| of additional consideration or compensation, the person associating CC0 with a | |||||
| Work (the "Affirmer"), to the extent that he or she is an owner of Copyright | |||||
| and Related Rights in the Work, voluntarily elects to apply CC0 to the Work | |||||
| and publicly distribute the Work under its terms, with knowledge of his or her | |||||
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| @ -0,0 +1,190 @@ | |||||
| <?xml version="1.0" encoding="utf-8"?> | |||||
| <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | |||||
| <ItemGroup Label="ProjectConfigurations"> | |||||
| <ProjectConfiguration Include="Release|Win32"> | |||||
| <Configuration>Release</Configuration> | |||||
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| <ClInclude Include="config.h" /> | |||||
| <ClInclude Include="crt.h" /> | |||||
| <ClInclude Include="hook.h" /> | |||||
| <ClInclude Include="mono.h" /> | |||||
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+ 61
- 0
Doorstop/Proxy/Proxy.vcxproj.filters
View File
| @ -0,0 +1,61 @@ | |||||
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| <ItemGroup> | |||||
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| <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> | |||||
| </Filter> | |||||
| <Filter Include="Header Files"> | |||||
| <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier> | |||||
| <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions> | |||||
| </Filter> | |||||
| <Filter Include="Resource Files"> | |||||
| <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier> | |||||
| <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> | |||||
| </Filter> | |||||
| <Filter Include="Other"> | |||||
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| <Filter>Source Files</Filter> | |||||
| </ClCompile> | |||||
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| </ClCompile> | |||||
| </ItemGroup> | |||||
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| </ClInclude> | |||||
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| </ClInclude> | |||||
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+ 63
- 0
Doorstop/Proxy/assert_util.h
View File
| @ -0,0 +1,63 @@ | |||||
| #pragma once | |||||
| #ifdef _VERBOSE | |||||
| #pragma comment(lib, "ucrt.lib") | |||||
| #include <windows.h> | |||||
| #include <stdio.h> | |||||
| static HANDLE log_handle; | |||||
| char buffer[8192]; | |||||
| wchar_t bufferW[8192]; | |||||
| inline void init_logger() | |||||
| { | |||||
| log_handle = CreateFileA("doorstop.log", GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, | |||||
| NULL); | |||||
| } | |||||
| inline void free_logger() | |||||
| { | |||||
| CloseHandle(log_handle); | |||||
| } | |||||
| #define LOG(message, ...) \ | |||||
| { \ | |||||
| int len = _snprintf_s(buffer, sizeof(buffer)/sizeof(char), _TRUNCATE, message, __VA_ARGS__); \ | |||||
| WriteFile(log_handle, buffer, len, NULL, NULL); \ | |||||
| } | |||||
| #else | |||||
| inline void init_logger() | |||||
| { | |||||
| } | |||||
| inline void free_logger() | |||||
| { | |||||
| } | |||||
| #define LOG(message, ...) | |||||
| #endif | |||||
| #define ASSERT_F(test, message, ...) \ | |||||
| if(!(test)) \ | |||||
| { \ | |||||
| _snwprintf_s(bufferW, sizeof(bufferW)/sizeof(wchar_t), _TRUNCATE, message, __VA_ARGS__); \ | |||||
| MessageBoxW(NULL, bufferW, L"Doorstop: Fatal", MB_OK | MB_ICONERROR); \ | |||||
| ExitProcess(EXIT_FAILURE); \ | |||||
| } | |||||
| // A helper for cleaner error logging | |||||
| #define ASSERT(test, message) \ | |||||
| if(!(test)) \ | |||||
| { \ | |||||
| MessageBoxW(NULL, message, L"Doorstop: Fatal", MB_OK | MB_ICONERROR); \ | |||||
| ExitProcess(EXIT_FAILURE); \ | |||||
| } | |||||
| #define ASSERT_SOFT(test, ...) \ | |||||
| if(!(test)) \ | |||||
| { \ | |||||
| return __VA_ARGS__; \ | |||||
| } | |||||
+ 137
- 0
Doorstop/Proxy/config.h
View File
| @ -0,0 +1,137 @@ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4267 ) | |||||
| #include <Windows.h> | |||||
| #include <shellapi.h> | |||||
| #include "winapi_util.h" | |||||
| #include "assert_util.h" | |||||
| #include "crt.h" | |||||
| #define CONFIG_NAME L"doorstop_config" | |||||
| #define DEFAULT_TARGET_ASSEMBLY L"Doorstop.dll" | |||||
| #define EXE_EXTENSION_LENGTH 4 | |||||
| BOOL enabled = FALSE; | |||||
| BOOL debug = FALSE; | |||||
| BOOL debug_server = FALSE; | |||||
| BOOL debug_info = FALSE; | |||||
| wchar_t *targetAssembly = NULL; | |||||
| #define STR_EQUAL(str1, str2) (lstrcmpiW(str1, str2) == 0) | |||||
| inline void initConfigFile() | |||||
| { | |||||
| enabled = TRUE; | |||||
| WIN32_FIND_DATAW findData; | |||||
| HANDLE findHandle = FindFirstFileW(L"*_Data", &findData); | |||||
| if (findHandle == INVALID_HANDLE_VALUE) | |||||
| { | |||||
| MessageBoxW(NULL, L"Could not locate game being injected!", L"No files found in current directory matching '*_Data'", | |||||
| MB_OK | MB_ICONERROR | MB_SYSTEMMODAL | MB_TOPMOST | MB_SETFOREGROUND); | |||||
| ExitProcess(GetLastError()); | |||||
| } | |||||
| do | |||||
| { | |||||
| if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) | |||||
| { // must be a directory | |||||
| wchar_t* target = memalloc(MAX_PATH * sizeof(wchar_t)); | |||||
| const int EXIT_FAILURE = 1; | |||||
| ASSERT(target != NULL, L"Address returned by memalloc was NULL!"); | |||||
| wmemset(target, 0, MAX_PATH); | |||||
| wmemcpy(target, findData.cFileName, wcslen(findData.cFileName)); | |||||
| wmemcpy(target + wcslen(target), L"/Managed/IPA.Injector.dll", 26); | |||||
| targetAssembly = target; | |||||
| FindClose(findHandle); | |||||
| break; | |||||
| } | |||||
| } | |||||
| while (FindNextFileW(findHandle, &findData) != 0); | |||||
| if (targetAssembly == NULL) | |||||
| { | |||||
| MessageBoxW(NULL, L"Could not locate game being injected!", L"No valid directories matching '*_Data'", | |||||
| MB_OK | MB_ICONERROR | MB_SYSTEMMODAL | MB_TOPMOST | MB_SETFOREGROUND); | |||||
| ExitProcess(GetLastError()); | |||||
| } | |||||
| } | |||||
| inline void initCmdArgs() | |||||
| { | |||||
| wchar_t *args = GetCommandLineW(); | |||||
| int argc = 0; | |||||
| wchar_t **argv = CommandLineToArgvW(args, &argc); | |||||
| #define IS_ARGUMENT(arg_name) STR_EQUAL(arg, arg_name) && i < argc | |||||
| for (int i = 0; i < argc; i++) | |||||
| { | |||||
| wchar_t *arg = argv[i]; | |||||
| /*if (IS_ARGUMENT(L"--doorstop-enable")) | |||||
| { | |||||
| wchar_t *par = argv[++i]; | |||||
| if (STR_EQUAL(par, L"true")) | |||||
| enabled = TRUE; | |||||
| else if (STR_EQUAL(par, L"false")) | |||||
| enabled = FALSE; | |||||
| } | |||||
| else if (IS_ARGUMENT(L"--doorstop-target")) | |||||
| { | |||||
| if (targetAssembly != NULL) | |||||
| memfree(targetAssembly); | |||||
| const size_t len = wcslen(argv[i + 1]) + 1; | |||||
| targetAssembly = memalloc(sizeof(wchar_t) * len); | |||||
| lstrcpynW(targetAssembly, argv[++i], len); | |||||
| LOG("Args; Target assembly: %S\n", targetAssembly); | |||||
| } | |||||
| else */if (IS_ARGUMENT(L"--mono-debug")) | |||||
| { | |||||
| debug = TRUE; | |||||
| debug_info = TRUE; | |||||
| LOG("Enabled debugging\n"); | |||||
| } | |||||
| else if (IS_ARGUMENT(L"--debug")) | |||||
| { | |||||
| debug_info = TRUE; | |||||
| LOG("Enabled loading of debug info\n"); | |||||
| } | |||||
| else if (IS_ARGUMENT(L"--server")) | |||||
| { | |||||
| debug_server = TRUE; | |||||
| LOG("Server-mode debugging enabled\n"); | |||||
| } | |||||
| } | |||||
| LocalFree(argv); | |||||
| } | |||||
| inline void initEnvVars() | |||||
| { | |||||
| if (GetEnvironmentVariableW(L"DOORSTOP_DISABLE", NULL, 0) != 0) | |||||
| { | |||||
| LOG("DOORSTOP_DISABLE is set! Disabling Doorstop!\n"); | |||||
| enabled = FALSE; | |||||
| } | |||||
| } | |||||
| inline void loadConfig() | |||||
| { | |||||
| initConfigFile(); | |||||
| initCmdArgs(); | |||||
| initEnvVars(); | |||||
| } | |||||
| inline void cleanupConfig() | |||||
| { | |||||
| if (targetAssembly != NULL) | |||||
| memfree(targetAssembly); | |||||
| } | |||||
+ 65
- 0
Doorstop/Proxy/crt.h
View File
| @ -0,0 +1,65 @@ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4028 28251 6001 ) | |||||
| #include <debugapi.h> | |||||
| HANDLE hHeap; | |||||
| #define memalloc(size) HeapAlloc(hHeap, HEAP_GENERATE_EXCEPTIONS, size) | |||||
| #define memcalloc(size) HeapAlloc(hHeap, HEAP_ZERO_MEMORY, size) | |||||
| #define memfree(mem) HeapFree(hHeap, 0, mem) | |||||
| #define STR_LEN(str) (sizeof(str) / sizeof(str[0])) | |||||
| #define DEBUG_BREAK { if (IsDebuggerPresent()) { __debugbreak(); } } | |||||
| inline void *wmemcpy(wchar_t *dst, const wchar_t *src, size_t n) | |||||
| { | |||||
| wchar_t *d = dst; | |||||
| const wchar_t *s = src; | |||||
| while (n--) | |||||
| *d++ = *s++; | |||||
| return dst; | |||||
| } | |||||
| inline void *wmemset(wchar_t *dst, wchar_t c, size_t n) | |||||
| { | |||||
| wchar_t *d = dst; | |||||
| while (n--) | |||||
| *(d++) = c; | |||||
| return dst; | |||||
| } | |||||
| void *memset(void *dst, char c, int n) | |||||
| { | |||||
| char *d = dst; | |||||
| while (n--) | |||||
| *d = c; | |||||
| return dst; | |||||
| } | |||||
| inline void *memcpy(void *dst, const void *src, int n) | |||||
| { | |||||
| char *d = dst; | |||||
| const char *s = src; | |||||
| while (n--) | |||||
| *d++ = *s++; | |||||
| return dst; | |||||
| } | |||||
| inline size_t wcslen(wchar_t const *str) | |||||
| { | |||||
| size_t result = 0; | |||||
| while (*str++) | |||||
| result++; | |||||
| return result; | |||||
| } | |||||
| inline size_t strlen(char const *str) | |||||
| { | |||||
| size_t result = 0; | |||||
| while (*str++) | |||||
| result++; | |||||
| return result; | |||||
| } | |||||
+ 64
- 0
Doorstop/Proxy/dll.def
View File
| @ -0,0 +1,64 @@ | |||||
| EXPORTS | |||||
| SvchostPushServiceGlobals | |||||
| WinHttpAddRequestHeaders | |||||
| WinHttpAutoProxySvcMain | |||||
| WinHttpCheckPlatform | |||||
| WinHttpCloseHandle | |||||
| WinHttpConnect | |||||
| WinHttpConnectionDeletePolicyEntries | |||||
| WinHttpConnectionDeleteProxyInfo | |||||
| WinHttpConnectionFreeNameList | |||||
| WinHttpConnectionFreeProxyInfo | |||||
| WinHttpConnectionFreeProxyList | |||||
| WinHttpConnectionGetNameList | |||||
| WinHttpConnectionGetProxyInfo | |||||
| WinHttpConnectionGetProxyList | |||||
| WinHttpConnectionSetPolicyEntries | |||||
| WinHttpConnectionSetProxyInfo | |||||
| WinHttpConnectionUpdateIfIndexTable | |||||
| WinHttpCrackUrl | |||||
| WinHttpCreateProxyResolver | |||||
| WinHttpCreateUrl | |||||
| WinHttpDetectAutoProxyConfigUrl | |||||
| WinHttpFreeProxyResult | |||||
| WinHttpFreeProxyResultEx | |||||
| WinHttpFreeProxySettings | |||||
| WinHttpGetDefaultProxyConfiguration | |||||
| WinHttpGetIEProxyConfigForCurrentUser | |||||
| WinHttpGetProxyForUrl | |||||
| WinHttpGetProxyForUrlEx | |||||
| WinHttpGetProxyForUrlEx2 | |||||
| WinHttpGetProxyForUrlHvsi | |||||
| WinHttpGetProxyResult | |||||
| WinHttpGetProxyResultEx | |||||
| WinHttpGetProxySettingsVersion | |||||
| WinHttpGetTunnelSocket | |||||
| WinHttpOpen | |||||
| WinHttpOpenRequest | |||||
| WinHttpProbeConnectivity | |||||
| WinHttpQueryAuthSchemes | |||||
| WinHttpQueryDataAvailable | |||||
| WinHttpQueryHeaders | |||||
| WinHttpQueryOption | |||||
| WinHttpReadData | |||||
| WinHttpReadProxySettings | |||||
| WinHttpReadProxySettingsHvsi | |||||
| WinHttpReceiveResponse | |||||
| WinHttpResetAutoProxy | |||||
| WinHttpSaveProxyCredentials | |||||
| WinHttpSendRequest | |||||
| WinHttpSetCredentials | |||||
| WinHttpSetDefaultProxyConfiguration | |||||
| WinHttpSetOption | |||||
| WinHttpSetStatusCallback | |||||
| WinHttpSetTimeouts | |||||
| WinHttpTimeFromSystemTime | |||||
| WinHttpTimeToSystemTime | |||||
| WinHttpWebSocketClose | |||||
| WinHttpWebSocketCompleteUpgrade | |||||
| WinHttpWebSocketQueryCloseStatus | |||||
| WinHttpWebSocketReceive | |||||
| WinHttpWebSocketSend | |||||
| WinHttpWebSocketShutdown | |||||
| WinHttpWriteData | |||||
| WinHttpWriteProxySettings | |||||
+ 162
- 0
Doorstop/Proxy/hook.h
View File
| @ -0,0 +1,162 @@ | |||||
| /* | |||||
| * EAT-based hooking for x86/x64. | |||||
| * | |||||
| * Big thanks to ez (https://github.com/ezdiy/) for making this! | |||||
| * | |||||
| * Creates "hooks" by modifying the module's export address table. | |||||
| * The procedure works in three main parts: | |||||
| * | |||||
| * 1. Reading the module's PE file and getting all exported functions. | |||||
| * 2. Finding the right function to "hook" by simple address lookup | |||||
| * 3. Modify the entry to point to the hook. | |||||
| * | |||||
| * The idea is based on the fact that the export table allows forwarding imports: | |||||
| * | |||||
| * https://en.wikibooks.org/wiki/X86_Disassembly/Windows_Executable_Files#Forwarding | |||||
| * | |||||
| * You can also find some reference material on the same page to understand this code better. | |||||
| * | |||||
| */ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4267 90 ) | |||||
| #include <windows.h> | |||||
| // PE format uses RVAs (Relative Virtual Addresses) to save addresses relative to the base of the module | |||||
| // More info: https://en.wikibooks.org/wiki/X86_Disassembly/Windows_Executable_Files#Relative_Virtual_Addressing_(RVA) | |||||
| // | |||||
| // This helper macro converts the saved RVA to a fully valid pointer to the data in the PE file | |||||
| #define RVA2PTR(t,base,rva) ((t)(((PCHAR) base) + rva)) | |||||
| // A helper function to write into protected memory | |||||
| inline int vpmemcpy(void *dst, void *src, size_t sz) | |||||
| { | |||||
| DWORD oldp; | |||||
| // Make the memory page writeable | |||||
| if (!VirtualProtect(dst, sz, PAGE_READWRITE, &oldp)) | |||||
| return 1; | |||||
| memcpy(dst, src, sz); | |||||
| // Restore the protection level | |||||
| VirtualProtect(dst, sz, oldp, &oldp); | |||||
| return 0; | |||||
| } | |||||
| /** | |||||
| * \brief Replaces the specified function entry in the EAT with a forward to a custom one, thus creating the "hook" effect. | |||||
| * \param hostDll The address of the module to hook. | |||||
| * \param originalFunction Address of the original function. | |||||
| * \param forwardFunctionEntry Name of the function to add a forward to. Must be of form `dll.API`. | |||||
| * \return TRUE, if hooking succeeded, otherwise, FALSE. | |||||
| */ | |||||
| inline BOOL ezHook(HMODULE hostDll, void *originalFunction, char *forwardFunctionEntry) | |||||
| { | |||||
| /* | |||||
| * Note that we are not doing any trampoline magic or editing the assembly! | |||||
| * | |||||
| * Instead, we are reading the module's PE file, find the original function's entry in the export address table (EAT), | |||||
| * and replace it with a forward import. | |||||
| * | |||||
| * This ultimately will fool the game/executable to call our hook, while keeping original function intact. | |||||
| * | |||||
| * Thus, in order to work, the proxy DLL has to export the hook, because we are essentially | |||||
| * asking the game to call our hook without ever going to the original function (unlike with trampolines). | |||||
| */ | |||||
| size_t fwdlen = strlen(forwardFunctionEntry); | |||||
| // The module always starts with a DOS (or "MZ") header | |||||
| IMAGE_DOS_HEADER *mz = (PIMAGE_DOS_HEADER)hostDll; | |||||
| // Next, get the NT headers. The offset to them is saved in e_lfanew | |||||
| IMAGE_NT_HEADERS *nt = RVA2PTR(PIMAGE_NT_HEADERS, mz, mz->e_lfanew); | |||||
| // Get the pointer to the data directory of the exports | |||||
| IMAGE_DATA_DIRECTORY *edirp = &nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT]; | |||||
| IMAGE_DATA_DIRECTORY edir = *edirp; | |||||
| // Finally, the virtual address in the data direcotry tells the location of the exports table | |||||
| IMAGE_EXPORT_DIRECTORY *exports = RVA2PTR(PIMAGE_EXPORT_DIRECTORY, mz, edir.VirtualAddress); | |||||
| // Read the addrress of the function list and the address of function names | |||||
| DWORD *addrs = RVA2PTR(DWORD*, mz, exports->AddressOfFunctions); | |||||
| // DWORD* names = RVA2PTR(DWORD*, mz, exports->AddressOfNames); | |||||
| // Iterate through all functions | |||||
| for (unsigned i = 0; i < exports->NumberOfFunctions; i++) | |||||
| { | |||||
| //char* name = RVA2PTR(char*, mz, names[i]); // Name of the exported function | |||||
| void *addr = RVA2PTR(void*, mz, addrs[i]); // Address of the exported function | |||||
| // Check if we have the function we need to modify | |||||
| if (addr == originalFunction) | |||||
| { | |||||
| DWORD fptr = edir.VirtualAddress + edir.Size; | |||||
| int err = 0; | |||||
| // Update the entry to go the the last entry (which we will populate in the next memcpy) | |||||
| err |= vpmemcpy(&addrs[i], &fptr, sizeof(fptr)); | |||||
| // Add the forwarding import to our function at the end of the EAT | |||||
| err |= vpmemcpy(((char*)exports + edir.Size), forwardFunctionEntry, fwdlen); | |||||
| // Increment the size of the export data directory | |||||
| // and write the new export data directory | |||||
| edir.Size += fwdlen + 1; | |||||
| err |= vpmemcpy(edirp, &edir, sizeof(edir)); | |||||
| return err == 0; | |||||
| } | |||||
| } | |||||
| return FALSE; | |||||
| } | |||||
| /** | |||||
| * \brief Hooks the given function through the Import Address Table | |||||
| * \param dll Module to hook | |||||
| * \param targetFunction Address of the target function to hook | |||||
| * \param detourFunction Address of the detour function | |||||
| * \return TRUE if successful, otherwise FALSE | |||||
| */ | |||||
| inline BOOL iat_hook(HMODULE dll, char const* targetDLL, void *targetFunction, void *detourFunction) | |||||
| { | |||||
| IMAGE_DOS_HEADER *mz = (PIMAGE_DOS_HEADER)dll; | |||||
| IMAGE_NT_HEADERS *nt = RVA2PTR(PIMAGE_NT_HEADERS, mz, mz->e_lfanew); | |||||
| IMAGE_IMPORT_DESCRIPTOR *imports = RVA2PTR(PIMAGE_IMPORT_DESCRIPTOR, mz, nt->OptionalHeader.DataDirectory[ | |||||
| IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress); | |||||
| for (int i = 0; imports[i].Characteristics; i++) | |||||
| { | |||||
| char *name = RVA2PTR(char*, mz, imports[i].Name); | |||||
| if(lstrcmpiA(name, targetDLL) != 0) | |||||
| continue; | |||||
| void **thunk = RVA2PTR(void**, mz, imports[i].FirstThunk); | |||||
| void **nextThunk = RVA2PTR(void**, mz, imports[i+1].FirstThunk); | |||||
| for (; thunk && thunk < nextThunk; thunk++) | |||||
| { | |||||
| void *import = *thunk; | |||||
| if (import != targetFunction) | |||||
| continue; | |||||
| DWORD oldState; | |||||
| if (!VirtualProtect(thunk, sizeof(void*), PAGE_READWRITE, &oldState)) | |||||
| return FALSE; | |||||
| *thunk = (void*)detourFunction; | |||||
| VirtualProtect(thunk, sizeof(void*), oldState, &oldState); | |||||
| return TRUE; | |||||
| } | |||||
| } | |||||
| return FALSE; | |||||
| } | |||||
+ 462
- 0
Doorstop/Proxy/main.c
View File
| @ -0,0 +1,462 @@ | |||||
| /* | |||||
| * main.cpp -- The main "entry point" and the main logic of the DLL. | |||||
| * | |||||
| * Here, we define and initialize struct Main that contains the main code of this DLL. | |||||
| * | |||||
| * The main procedure goes as follows: | |||||
| * 1. The loader checks that PatchLoader.dll and mono.dll exist | |||||
| * 2. mono.dll is loaded into memory and some of its functions are looked up | |||||
| * 3. mono_jit_init_version is hooked with the help of MinHook | |||||
| * | |||||
| * Then, the loader waits until Unity creates its root domain for mono (which is done with mono_jit_init_version). | |||||
| * | |||||
| * Inside mono_jit_init_version hook: | |||||
| * 1. Call the original mono_jit_init_version to get the Unity root domain | |||||
| * 2. Load PatchLoader.dll into the root domain | |||||
| * 3. Find and invoke PatchLoader.Loader.Run() | |||||
| * | |||||
| * Rest of the work is done on the managed side. | |||||
| * | |||||
| */ | |||||
| #pragma warning( disable : 4267 100 152 6387 4456 6011 ) | |||||
| #include "winapi_util.h" | |||||
| #include <Windows.h> | |||||
| #include "config.h" | |||||
| #include "mono.h" | |||||
| #include "hook.h" | |||||
| #include "assert_util.h" | |||||
| #include "proxy.h" | |||||
| #include <synchapi.h> | |||||
| #include <intrin.h> | |||||
| EXTERN_C IMAGE_DOS_HEADER __ImageBase; // This is provided by MSVC with the infomration about this DLL | |||||
| HANDLE unhandledMutex; | |||||
| void ownMonoJitParseOptions(int argc, char * argv[]); | |||||
| BOOL setOptions = FALSE; | |||||
| void unhandledException(void* exc, void* data) | |||||
| { | |||||
| WaitForSingleObject(unhandledMutex, INFINITE); | |||||
| void* exception = NULL; | |||||
| void* mstr = mono_object_to_string(exc, &exception); | |||||
| if (exception != NULL) | |||||
| { | |||||
| #ifdef _VERBOSE | |||||
| void* monostr = mono_object_to_string(exception, &exception); | |||||
| if (exception != NULL) | |||||
| { | |||||
| DEBUG_BREAK; | |||||
| LOG("An error occurred while stringifying uncaught error, but the error could not be stringified.\n"); | |||||
| ASSERT(FALSE, L"Uncaught exception; could not stringify"); | |||||
| } | |||||
| else | |||||
| { | |||||
| char* str = mono_string_to_utf8(monostr); | |||||
| DEBUG_BREAK; | |||||
| LOG("An error occurred stringifying uncaught error: %s\n", str); | |||||
| size_t len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0); | |||||
| wchar_t* wstr = memalloc(sizeof(wchar_t) * len); | |||||
| MultiByteToWideChar(CP_UTF8, 0, str, -1, wstr, len); | |||||
| ASSERT_F(FALSE, L"Uncaught exception; stringify failed: %s", wstr); | |||||
| memfree(wstr); | |||||
| mono_free(str); | |||||
| } | |||||
| #else | |||||
| ASSERT(FALSE, L"Could not stringify uncaught exception"); | |||||
| #endif | |||||
| } | |||||
| char* str = mono_string_to_utf8(mstr); | |||||
| DEBUG_BREAK; | |||||
| LOG("Uncaught exception: %s\n", str); | |||||
| size_t len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0); | |||||
| wchar_t* wstr = memalloc(sizeof(wchar_t) * len); | |||||
| MultiByteToWideChar(CP_UTF8, 0, str, -1, wstr, len); | |||||
| #ifdef _VERBOSE | |||||
| ASSERT(FALSE, L"Uncaught exception; see doorstop.log for details"); | |||||
| #else | |||||
| ASSERT_F(FALSE, L"Uncaught exception: %s", wstr); | |||||
| #endif | |||||
| memfree(wstr); | |||||
| mono_free(str); | |||||
| ReleaseMutex(unhandledMutex); | |||||
| } | |||||
| // The hook for mono_jit_init_version | |||||
| // We use this since it will always be called once to initialize Mono's JIT | |||||
| void *ownMonoJitInitVersion(const char *root_domain_name, const char *runtime_version) | |||||
| { | |||||
| // Call the original mono_jit_init_version to initialize the Unity Root Domain | |||||
| if (debug) { | |||||
| char* opts[1]; | |||||
| opts[0] = ""; | |||||
| ownMonoJitParseOptions(0, opts); | |||||
| } | |||||
| #ifdef WIN32 | |||||
| if (debug_info) { | |||||
| mono_debug_init(MONO_DEBUG_FORMAT_MONO); | |||||
| } | |||||
| #endif | |||||
| void *domain = mono_jit_init_version(root_domain_name, runtime_version); | |||||
| if (debug_info) { | |||||
| #ifdef WIN64 | |||||
| mono_debug_init(MONO_DEBUG_FORMAT_MONO); | |||||
| #endif | |||||
| mono_debug_domain_create(domain); | |||||
| } | |||||
| size_t len = WideCharToMultiByte(CP_UTF8, 0, targetAssembly, -1, NULL, 0, NULL, NULL); | |||||
| char *dll_path = memalloc(sizeof(char) * len); | |||||
| WideCharToMultiByte(CP_UTF8, 0, targetAssembly, -1, dll_path, len, NULL, NULL); | |||||
| LOG("Loading assembly: %s\n", dll_path); | |||||
| // Load our custom assembly into the domain | |||||
| void *assembly = mono_domain_assembly_open(domain, dll_path); | |||||
| if (assembly == NULL) | |||||
| LOG("Failed to load assembly\n"); | |||||
| memfree(dll_path); | |||||
| ASSERT_SOFT(assembly != NULL, domain); | |||||
| // Get assembly's image that contains CIL code | |||||
| void *image = mono_assembly_get_image(assembly); | |||||
| ASSERT_SOFT(image != NULL, domain); | |||||
| // Note: we use the runtime_invoke route since jit_exec will not work on DLLs | |||||
| // Create a descriptor for a random Main method | |||||
| void *desc = mono_method_desc_new("*:Main", FALSE); | |||||
| // Find the first possible Main method in the assembly | |||||
| void *method = mono_method_desc_search_in_image(desc, image); | |||||
| ASSERT_SOFT(method != NULL, domain); | |||||
| void *signature = mono_method_signature(method); | |||||
| // Get the number of parameters in the signature | |||||
| UINT32 params = mono_signature_get_param_count(signature); | |||||
| void **args = NULL; | |||||
| wchar_t *app_path = NULL; | |||||
| if (params == 1) | |||||
| { | |||||
| // If there is a parameter, it's most likely a string[]. | |||||
| // Populate it as follows | |||||
| // 0 => path to the game's executable | |||||
| // 1 => --doorstop-invoke | |||||
| get_module_path(NULL, &app_path, NULL, 0); | |||||
| void *exe_path = MONO_STRING(app_path); | |||||
| void *doorstop_handle = MONO_STRING(L"--doorstop-invoke"); | |||||
| void *args_array = mono_array_new(domain, mono_get_string_class(), 2); | |||||
| SET_ARRAY_REF(args_array, 0, exe_path); | |||||
| SET_ARRAY_REF(args_array, 1, doorstop_handle); | |||||
| args = memalloc(sizeof(void*) * 1); | |||||
| _ASSERTE(args != nullptr); | |||||
| args[0] = args_array; | |||||
| } | |||||
| LOG("Installing uncaught exception handler\n"); | |||||
| mono_install_unhandled_exception_hook(unhandledException, NULL); | |||||
| unhandledMutex = CreateMutexW(NULL, FALSE, NULL); | |||||
| LOG("Invoking method!\n"); | |||||
| void* exception = NULL; | |||||
| mono_runtime_invoke(method, NULL, args, &exception); | |||||
| WaitForSingleObject(unhandledMutex, INFINITE); // if the EH is triggered, wait for it | |||||
| if (args != NULL) | |||||
| { | |||||
| memfree(app_path); | |||||
| memfree(args); | |||||
| NULL; | |||||
| } | |||||
| #ifdef _VERBOSE | |||||
| if (exception != NULL) | |||||
| { | |||||
| void* monostr = mono_object_to_string(exception, &exception); | |||||
| if (exception != NULL) | |||||
| LOG("An error occurred while invoking the injector, but the error could not be stringified.\n") | |||||
| else | |||||
| { | |||||
| char* str = mono_string_to_utf8(monostr); | |||||
| LOG("An error occurred invoking the injector: %s\n", str); | |||||
| mono_free(str); | |||||
| } | |||||
| } | |||||
| #endif | |||||
| cleanupConfig(); | |||||
| free_logger(); | |||||
| ReleaseMutex(unhandledMutex); | |||||
| return domain; | |||||
| } | |||||
| void ownMonoJitParseOptions(int argc, char * argv[]) | |||||
| { | |||||
| setOptions = TRUE; | |||||
| int size = argc; | |||||
| #ifdef WIN64 | |||||
| if (debug) size += 2; | |||||
| #elif defined(WIN32) | |||||
| if (debug) size += 1; | |||||
| #endif | |||||
| char** arguments = memalloc(sizeof(char*) * size); | |||||
| _ASSERTE(arguments != nullptr); | |||||
| memcpy(arguments, argv, sizeof(char*) * argc); | |||||
| if (debug) { | |||||
| //arguments[argc++] = "--debug"; | |||||
| #ifdef WIN64 | |||||
| arguments[argc++] = "--soft-breakpoints"; | |||||
| #endif | |||||
| if (debug_server) | |||||
| arguments[argc] = "--debugger-agent=transport=dt_socket,address=0.0.0.0:10000,server=y"; | |||||
| else | |||||
| arguments[argc] = "--debugger-agent=transport=dt_socket,address=127.0.0.1:10000,server=n"; | |||||
| } | |||||
| mono_jit_parse_options(size, arguments); | |||||
| memfree(arguments); | |||||
| } | |||||
| BOOL initialized = FALSE; | |||||
| void init(HMODULE module) | |||||
| { | |||||
| if (!initialized) | |||||
| { | |||||
| initialized = TRUE; | |||||
| LOG("Got mono.dll at %p\n", module); | |||||
| loadMonoFunctions(module); | |||||
| } | |||||
| } | |||||
| void * WINAPI hookGetProcAddress(HMODULE module, char const *name) | |||||
| { | |||||
| if (lstrcmpA(name, "mono_jit_init_version") == 0) | |||||
| { | |||||
| init(module); | |||||
| return (void*)&ownMonoJitInitVersion; | |||||
| } | |||||
| if (lstrcmpA(name, "mono_jit_parse_options") == 0 && debug) | |||||
| { | |||||
| init(module); | |||||
| return (void*)&ownMonoJitParseOptions; | |||||
| } | |||||
| return (void*)GetProcAddress(module, name); | |||||
| } | |||||
| BOOL hookGetMessage( | |||||
| BOOL isW, | |||||
| LPMSG msg, | |||||
| HWND hwnd, | |||||
| UINT wMsgFilterMin, | |||||
| UINT wMsgFilterMax | |||||
| ); | |||||
| BOOL WINAPI hookGetMessageA(LPMSG msg, HWND hwnd, UINT wMsgFilterMin, UINT wMsgFilterMax) | |||||
| { | |||||
| return hookGetMessage(FALSE, msg, hwnd, wMsgFilterMin, wMsgFilterMax); | |||||
| } | |||||
| BOOL WINAPI hookGetMessageW(LPMSG msg, HWND hwnd, UINT wMsgFilterMin, UINT wMsgFilterMax) | |||||
| { | |||||
| return hookGetMessage(TRUE, msg, hwnd, wMsgFilterMin, wMsgFilterMax); | |||||
| } | |||||
| typedef BOOL(*GetMessageHook)(BOOL isW, BOOL result, LPMSG msg, HWND hwnd, UINT filterMin, UINT filterMax); | |||||
| GetMessageHook getMessageHook = NULL; | |||||
| __declspec(dllexport) void __stdcall SetGetMessageHook(GetMessageHook hook) { | |||||
| getMessageHook = hook; | |||||
| } | |||||
| BOOL hookGetMessage( | |||||
| BOOL isW, | |||||
| LPMSG msg, | |||||
| HWND hwnd, | |||||
| UINT wMsgFilterMin, | |||||
| UINT wMsgFilterMax | |||||
| ) | |||||
| { | |||||
| BOOL loop = FALSE; | |||||
| BOOL result; | |||||
| do { | |||||
| if (isW) { | |||||
| result = GetMessageW(msg, hwnd, wMsgFilterMin, wMsgFilterMax); | |||||
| } else { | |||||
| result = GetMessageA(msg, hwnd, wMsgFilterMin, wMsgFilterMax); | |||||
| } | |||||
| if (getMessageHook) { | |||||
| loop = getMessageHook(isW, result, msg, hwnd, wMsgFilterMin, wMsgFilterMax); | |||||
| } | |||||
| } while (loop); | |||||
| return result; | |||||
| } | |||||
| BOOL hookPeekMessage( | |||||
| BOOL isW, | |||||
| LPMSG msg, | |||||
| HWND hwnd, | |||||
| UINT wMsgFilterMin, | |||||
| UINT wMsgFilterMax, | |||||
| UINT wRemoveMsg | |||||
| ); | |||||
| BOOL WINAPI hookPeekMessageA(LPMSG msg, HWND hwnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg) | |||||
| { | |||||
| return hookPeekMessage(FALSE, msg, hwnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); | |||||
| } | |||||
| BOOL WINAPI hookPeekMessageW(LPMSG msg, HWND hwnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg) | |||||
| { | |||||
| return hookPeekMessage(TRUE, msg, hwnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); | |||||
| } | |||||
| typedef BOOL(*PeekMessageHook)(BOOL isW, BOOL result, LPMSG msg, HWND hwnd, UINT filterMin, UINT filterMax, UINT* wRemoveMsg); | |||||
| PeekMessageHook peekMessageHook = NULL; | |||||
| __declspec(dllexport) void __stdcall SetPeekMessageHook(PeekMessageHook hook) { | |||||
| peekMessageHook = hook; | |||||
| } | |||||
| BOOL hookPeekMessage( | |||||
| BOOL isW, | |||||
| LPMSG msg, | |||||
| HWND hwnd, | |||||
| UINT wMsgFilterMin, | |||||
| UINT wMsgFilterMax, | |||||
| UINT wRemoveMsg | |||||
| ) | |||||
| { | |||||
| BOOL loop = FALSE; | |||||
| BOOL result; | |||||
| do { | |||||
| if (isW) { | |||||
| result = PeekMessageW(msg, hwnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); | |||||
| } | |||||
| else { | |||||
| result = PeekMessageA(msg, hwnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg); | |||||
| } | |||||
| if (peekMessageHook) { | |||||
| loop = peekMessageHook(isW, result, msg, hwnd, wMsgFilterMin, wMsgFilterMax, &wRemoveMsg); | |||||
| } | |||||
| } while (loop); | |||||
| return result; | |||||
| } | |||||
| BOOL WINAPI DllMain(HINSTANCE hInstDll, DWORD reasonForDllLoad, LPVOID reserved) | |||||
| { | |||||
| if (reasonForDllLoad != DLL_PROCESS_ATTACH) | |||||
| return TRUE; | |||||
| hHeap = GetProcessHeap(); | |||||
| init_logger(); | |||||
| LOG("Doorstop started!\n"); | |||||
| wchar_t *dll_path = NULL; | |||||
| size_t dll_path_len = get_module_path((HINSTANCE)&__ImageBase, &dll_path, NULL, 0); | |||||
| LOG("DLL Path: %S\n", dll_path); | |||||
| wchar_t *dll_name = get_file_name_no_ext(dll_path, dll_path_len); | |||||
| LOG("Doorstop DLL Name: %S\n", dll_name); | |||||
| loadProxy(dll_name); | |||||
| loadConfig(); | |||||
| // If the loader is disabled, don't inject anything. | |||||
| if (enabled) | |||||
| { | |||||
| LOG("Doorstop enabled!\n"); | |||||
| ASSERT_SOFT(GetFileAttributesW(targetAssembly) != INVALID_FILE_ATTRIBUTES, TRUE); | |||||
| HMODULE targetModule = GetModuleHandleA("UnityPlayer"); | |||||
| if(targetModule == NULL) | |||||
| { | |||||
| LOG("No UnityPlayer.dll; using EXE as the hook target."); | |||||
| targetModule = GetModuleHandleA(NULL); | |||||
| } | |||||
| LOG("Installing IAT hook\n"); | |||||
| if (!iat_hook(targetModule, "kernel32.dll", &GetProcAddress, &hookGetProcAddress)) | |||||
| { | |||||
| LOG("Failed to install IAT hook!\n"); | |||||
| free_logger(); | |||||
| } | |||||
| LOG("Hook installed!\n"); | |||||
| LOG("Attempting to install GetMessageA and GetMessageW hooks\n"); | |||||
| if (!iat_hook(targetModule, "user32.dll", &GetMessageA, &hookGetMessageA)) { | |||||
| LOG("Could not hook GetMessageA! (not an error)\n"); | |||||
| } | |||||
| if (!iat_hook(targetModule, "user32.dll", &GetMessageW, &hookGetMessageW)) { | |||||
| LOG("Could not hook GetMessageW! (not an error)\n"); | |||||
| } | |||||
| LOG("Attempting to install PeekMessageA and PeekMessageW hooks\n"); | |||||
| if (!iat_hook(targetModule, "user32.dll", &PeekMessageA, &hookPeekMessageA)) { | |||||
| LOG("Could not hook PeekMessageA! (not an error)\n"); | |||||
| } | |||||
| if (!iat_hook(targetModule, "user32.dll", &PeekMessageW, &hookPeekMessageW)) { | |||||
| LOG("Could not hook PeekMessageW! (not an error)\n"); | |||||
| } | |||||
| } | |||||
| else | |||||
| { | |||||
| LOG("Doorstop disabled! memfreeing resources\n"); | |||||
| free_logger(); | |||||
| } | |||||
| memfree(dll_name); | |||||
| memfree(dll_path); | |||||
| return TRUE; | |||||
| } | |||||
+ 105
- 0
Doorstop/Proxy/mono.h
View File
| @ -0,0 +1,105 @@ | |||||
| /* | |||||
| * mono.h -- Definitions for Mono C API functions. | |||||
| * | |||||
| * The file contains definitions for some of functions provided by Mono C API. | |||||
| * | |||||
| * Note: Since we don't use any mono headers, all pointers to mono-related structs are | |||||
| * replaced with void *. | |||||
| */ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4152 ) | |||||
| #include <windows.h> | |||||
| // Creates a MonoString based from a C wide string | |||||
| #define MONO_STRING(str) mono_string_new_utf16(domain, str, wcslen(str)) | |||||
| // Set MonoArray's index to a reference type value (i.e. string) | |||||
| #define SET_ARRAY_REF(arr, index, refVal) \ | |||||
| { \ | |||||
| void **p = (void**) mono_array_addr_with_size(arr, sizeof(void*), index); \ | |||||
| mono_gc_wbarrier_set_arrayref(arr, p, refVal); \ | |||||
| } | |||||
| // Here we define the pointers to some functions within mono.dll | |||||
| // Note to C learners: these are not signature definitions, but rather "variable" | |||||
| // definitions with the function pointer type. | |||||
| // Note: we use void* instead of the real intented structs defined in mono API | |||||
| // This way we don't need to include or define any of Mono's structs, which saves space | |||||
| // This, obviously, comes with a drawback of not being able to easily access the contents of the structs | |||||
| typedef enum { | |||||
| MONO_DEBUG_FORMAT_NONE, | |||||
| MONO_DEBUG_FORMAT_MONO, | |||||
| /* Deprecated, the mdb debugger is not longer supported. */ | |||||
| MONO_DEBUG_FORMAT_DEBUGGER | |||||
| } MonoDebugFormat; | |||||
| void (*mono_jit_parse_options)(int argc, char * argv[]); | |||||
| void (*mono_debug_init)(MonoDebugFormat format); | |||||
| void(*mono_debug_domain_create)(void*); | |||||
| void *(*mono_jit_init_version)(const char *root_domain_name, const char *runtime_version); | |||||
| void *(*mono_domain_assembly_open)(void *domain, const char *name); | |||||
| void *(*mono_assembly_get_image)(void *assembly); | |||||
| void *(*mono_runtime_invoke)(void *method, void *obj, void **params, void **exc); | |||||
| void *(*mono_method_desc_new)(const char *name, int include_namespace); | |||||
| void *(*mono_method_desc_search_in_image)(void *desc, void *image); | |||||
| void *(*mono_method_signature)(void *method); | |||||
| UINT32 (*mono_signature_get_param_count)(void *sig); | |||||
| void *(*mono_array_new)(void *domain, void *eclass, uintptr_t n); | |||||
| void (*mono_gc_wbarrier_set_arrayref)(void *arr, void *slot_ptr, void *value); | |||||
| char *(*mono_array_addr_with_size)(void *arr, int size, uintptr_t idx); | |||||
| void *(*mono_get_string_class)(); | |||||
| void *(*mono_string_new_utf16)(void *domain, const wchar_t *text, INT32 len); | |||||
| void* (*mono_object_to_string)(void* obj, void** exc); | |||||
| char* (*mono_string_to_utf8)(void* str); | |||||
| void (*mono_free)(void*); | |||||
| /* Installs a function which is called when the runtime encounters an unhandled exception. | |||||
| * This hook isn't expected to return. | |||||
| * If no hook has been installed, the runtime will print a message before aborting. | |||||
| */ | |||||
| typedef void (*MonoUnhandledExceptionFunc)(void* exc, void* user_data); | |||||
| void (*mono_install_unhandled_exception_hook)(MonoUnhandledExceptionFunc func, void* user_data); | |||||
| /** | |||||
| * \brief Loads Mono C API function pointers so that the above definitions can be called. | |||||
| * \param monoLib Mono.dll module. | |||||
| */ | |||||
| inline void loadMonoFunctions(HMODULE monoLib) | |||||
| { | |||||
| // Enjoy the fact that C allows such sloppy casting | |||||
| // In C++ you would have to cast to the precise function pointer type | |||||
| #define GET_MONO_PROC(name) name = (void*)GetProcAddress(monoLib, #name) | |||||
| // Find and assign all our functions that we are going to use | |||||
| GET_MONO_PROC(mono_debug_domain_create); | |||||
| GET_MONO_PROC(mono_domain_assembly_open); | |||||
| GET_MONO_PROC(mono_assembly_get_image); | |||||
| GET_MONO_PROC(mono_runtime_invoke); | |||||
| GET_MONO_PROC(mono_debug_init); | |||||
| GET_MONO_PROC(mono_jit_init_version); | |||||
| GET_MONO_PROC(mono_jit_parse_options); | |||||
| GET_MONO_PROC(mono_method_desc_new); | |||||
| GET_MONO_PROC(mono_method_desc_search_in_image); | |||||
| GET_MONO_PROC(mono_method_signature); | |||||
| GET_MONO_PROC(mono_signature_get_param_count); | |||||
| GET_MONO_PROC(mono_array_new); | |||||
| GET_MONO_PROC(mono_get_string_class); | |||||
| GET_MONO_PROC(mono_string_new_utf16); | |||||
| GET_MONO_PROC(mono_gc_wbarrier_set_arrayref); | |||||
| GET_MONO_PROC(mono_array_addr_with_size); | |||||
| GET_MONO_PROC(mono_object_to_string); | |||||
| GET_MONO_PROC(mono_string_to_utf8); | |||||
| GET_MONO_PROC(mono_free); | |||||
| GET_MONO_PROC(mono_install_unhandled_exception_hook); | |||||
| } | |||||
+ 133
- 0
Doorstop/Proxy/proxy.c
View File
| @ -0,0 +1,133 @@ | |||||
| /* ================================== | |||||
| * COMPUTER GENERATED -- DO NOT EDIT | |||||
| * ================================== | |||||
| * | |||||
| * This file contains the definitions for all proxy functions this DLL supports. | |||||
| * | |||||
| * The proxies are very simple functions that should be optimizied into a | |||||
| * single JMP instruction without editing the stack at all. | |||||
| * | |||||
| * NOTE: While this works, this is a somewhat hackish approach that is based on how | |||||
| * the compiler optimizes the code. That said, the proxy will not work on Debug build currently | |||||
| * (that can be fixed by changing the appropriate compile flag that I am yet to locate). | |||||
| */ | |||||
| #pragma warning( disable : 4244 ) | |||||
| #include <windows.h> | |||||
| #define ADD_ORIGINAL(i, name) originalFunctions[i] = GetProcAddress(dll, #name) | |||||
| #define PROXY(i, name) \ | |||||
| __declspec(dllexport) ULONG __stdcall name() \ | |||||
| { \ | |||||
| return originalFunctions[i](); \ | |||||
| } | |||||
| FARPROC originalFunctions[50] = {0}; | |||||
| void loadFunctions(HMODULE dll) | |||||
| { | |||||
| ADD_ORIGINAL(0, WinHttpAddRequestHeaders); | |||||
| ADD_ORIGINAL(1, WinHttpAutoProxySvcMain); | |||||
| ADD_ORIGINAL(2, WinHttpCheckPlatform); | |||||
| ADD_ORIGINAL(3, WinHttpCloseHandle); | |||||
| ADD_ORIGINAL(4, WinHttpConnect); | |||||
| ADD_ORIGINAL(5, WinHttpConnectionDeleteProxyInfo); | |||||
| ADD_ORIGINAL(6, WinHttpConnectionFreeNameList); | |||||
| ADD_ORIGINAL(7, WinHttpConnectionFreeProxyInfo); | |||||
| ADD_ORIGINAL(8, WinHttpConnectionFreeProxyList); | |||||
| ADD_ORIGINAL(9, WinHttpConnectionGetNameList); | |||||
| ADD_ORIGINAL(10, WinHttpConnectionGetProxyInfo); | |||||
| ADD_ORIGINAL(11, WinHttpConnectionGetProxyList); | |||||
| ADD_ORIGINAL(12, WinHttpConnectionSetProxyInfo); | |||||
| ADD_ORIGINAL(13, WinHttpCrackUrl); | |||||
| ADD_ORIGINAL(14, WinHttpCreateProxyResolver); | |||||
| ADD_ORIGINAL(15, WinHttpCreateUrl); | |||||
| ADD_ORIGINAL(16, WinHttpDetectAutoProxyConfigUrl); | |||||
| ADD_ORIGINAL(17, WinHttpFreeProxyResult); | |||||
| ADD_ORIGINAL(18, WinHttpGetDefaultProxyConfiguration); | |||||
| ADD_ORIGINAL(19, WinHttpGetIEProxyConfigForCurrentUser); | |||||
| ADD_ORIGINAL(20, WinHttpGetProxyForUrl); | |||||
| ADD_ORIGINAL(21, WinHttpGetProxyForUrlEx); | |||||
| ADD_ORIGINAL(22, WinHttpGetProxyResult); | |||||
| ADD_ORIGINAL(23, WinHttpGetTunnelSocket); | |||||
| ADD_ORIGINAL(24, WinHttpOpen); | |||||
| ADD_ORIGINAL(25, WinHttpOpenRequest); | |||||
| ADD_ORIGINAL(26, WinHttpProbeConnectivity); | |||||
| ADD_ORIGINAL(27, WinHttpQueryAuthSchemes); | |||||
| ADD_ORIGINAL(28, WinHttpQueryDataAvailable); | |||||
| ADD_ORIGINAL(29, WinHttpQueryHeaders); | |||||
| ADD_ORIGINAL(30, WinHttpQueryOption); | |||||
| ADD_ORIGINAL(31, WinHttpReadData); | |||||
| ADD_ORIGINAL(32, WinHttpReceiveResponse); | |||||
| ADD_ORIGINAL(33, WinHttpResetAutoProxy); | |||||
| ADD_ORIGINAL(34, WinHttpSaveProxyCredentials); | |||||
| ADD_ORIGINAL(35, WinHttpSendRequest); | |||||
| ADD_ORIGINAL(36, WinHttpSetCredentials); | |||||
| ADD_ORIGINAL(37, WinHttpSetDefaultProxyConfiguration); | |||||
| ADD_ORIGINAL(38, WinHttpSetOption); | |||||
| ADD_ORIGINAL(39, WinHttpSetStatusCallback); | |||||
| ADD_ORIGINAL(40, WinHttpSetTimeouts); | |||||
| ADD_ORIGINAL(41, WinHttpTimeFromSystemTime); | |||||
| ADD_ORIGINAL(42, WinHttpTimeToSystemTime); | |||||
| ADD_ORIGINAL(43, WinHttpWebSocketClose); | |||||
| ADD_ORIGINAL(44, WinHttpWebSocketCompleteUpgrade); | |||||
| ADD_ORIGINAL(45, WinHttpWebSocketQueryCloseStatus); | |||||
| ADD_ORIGINAL(46, WinHttpWebSocketReceive); | |||||
| ADD_ORIGINAL(47, WinHttpWebSocketSend); | |||||
| ADD_ORIGINAL(48, WinHttpWebSocketShutdown); | |||||
| ADD_ORIGINAL(49, WinHttpWriteData); | |||||
| } | |||||
| PROXY(0, WinHttpAddRequestHeaders); | |||||
| PROXY(1, WinHttpAutoProxySvcMain); | |||||
| PROXY(2, WinHttpCheckPlatform); | |||||
| PROXY(3, WinHttpCloseHandle); | |||||
| PROXY(4, WinHttpConnect); | |||||
| PROXY(5, WinHttpConnectionDeleteProxyInfo); | |||||
| PROXY(6, WinHttpConnectionFreeNameList); | |||||
| PROXY(7, WinHttpConnectionFreeProxyInfo); | |||||
| PROXY(8, WinHttpConnectionFreeProxyList); | |||||
| PROXY(9, WinHttpConnectionGetNameList); | |||||
| PROXY(10, WinHttpConnectionGetProxyInfo); | |||||
| PROXY(11, WinHttpConnectionGetProxyList); | |||||
| PROXY(12, WinHttpConnectionSetProxyInfo); | |||||
| PROXY(13, WinHttpCrackUrl); | |||||
| PROXY(14, WinHttpCreateProxyResolver); | |||||
| PROXY(15, WinHttpCreateUrl); | |||||
| PROXY(16, WinHttpDetectAutoProxyConfigUrl); | |||||
| PROXY(17, WinHttpFreeProxyResult); | |||||
| PROXY(18, WinHttpGetDefaultProxyConfiguration); | |||||
| PROXY(19, WinHttpGetIEProxyConfigForCurrentUser); | |||||
| PROXY(20, WinHttpGetProxyForUrl); | |||||
| PROXY(21, WinHttpGetProxyForUrlEx); | |||||
| PROXY(22, WinHttpGetProxyResult); | |||||
| PROXY(23, WinHttpGetTunnelSocket); | |||||
| PROXY(24, WinHttpOpen); | |||||
| PROXY(25, WinHttpOpenRequest); | |||||
| PROXY(26, WinHttpProbeConnectivity); | |||||
| PROXY(27, WinHttpQueryAuthSchemes); | |||||
| PROXY(28, WinHttpQueryDataAvailable); | |||||
| PROXY(29, WinHttpQueryHeaders); | |||||
| PROXY(30, WinHttpQueryOption); | |||||
| PROXY(31, WinHttpReadData); | |||||
| PROXY(32, WinHttpReceiveResponse); | |||||
| PROXY(33, WinHttpResetAutoProxy); | |||||
| PROXY(34, WinHttpSaveProxyCredentials); | |||||
| PROXY(35, WinHttpSendRequest); | |||||
| PROXY(36, WinHttpSetCredentials); | |||||
| PROXY(37, WinHttpSetDefaultProxyConfiguration); | |||||
| PROXY(38, WinHttpSetOption); | |||||
| PROXY(39, WinHttpSetStatusCallback); | |||||
| PROXY(40, WinHttpSetTimeouts); | |||||
| PROXY(41, WinHttpTimeFromSystemTime); | |||||
| PROXY(42, WinHttpTimeToSystemTime); | |||||
| PROXY(43, WinHttpWebSocketClose); | |||||
| PROXY(44, WinHttpWebSocketCompleteUpgrade); | |||||
| PROXY(45, WinHttpWebSocketQueryCloseStatus); | |||||
| PROXY(46, WinHttpWebSocketReceive); | |||||
| PROXY(47, WinHttpWebSocketSend); | |||||
| PROXY(48, WinHttpWebSocketShutdown); | |||||
| PROXY(49, WinHttpWriteData); | |||||
+ 54
- 0
Doorstop/Proxy/proxy.def
View File
| @ -0,0 +1,54 @@ | |||||
| LIBRARY proxy.dll | |||||
| EXPORTS | |||||
| WinHttpAddRequestHeaders @1 | |||||
| WinHttpAutoProxySvcMain @2 | |||||
| WinHttpCheckPlatform @3 | |||||
| WinHttpCloseHandle @4 | |||||
| WinHttpConnect @5 | |||||
| WinHttpConnectionDeleteProxyInfo @6 | |||||
| WinHttpConnectionFreeNameList @7 | |||||
| WinHttpConnectionFreeProxyInfo @8 | |||||
| WinHttpConnectionFreeProxyList @9 | |||||
| WinHttpConnectionGetNameList @10 | |||||
| WinHttpConnectionGetProxyInfo @11 | |||||
| WinHttpConnectionGetProxyList @12 | |||||
| WinHttpConnectionSetProxyInfo @13 | |||||
| WinHttpCrackUrl @14 | |||||
| WinHttpCreateProxyResolver @15 | |||||
| WinHttpCreateUrl @16 | |||||
| WinHttpDetectAutoProxyConfigUrl @17 | |||||
| WinHttpFreeProxyResult @18 | |||||
| WinHttpGetDefaultProxyConfiguration @19 | |||||
| WinHttpGetIEProxyConfigForCurrentUser @20 | |||||
| WinHttpGetProxyForUrl @21 | |||||
| WinHttpGetProxyForUrlEx @22 | |||||
| WinHttpGetProxyResult @23 | |||||
| WinHttpGetTunnelSocket @24 | |||||
| WinHttpOpen @25 | |||||
| WinHttpOpenRequest @26 | |||||
| WinHttpProbeConnectivity @27 | |||||
| WinHttpQueryAuthSchemes @28 | |||||
| WinHttpQueryDataAvailable @29 | |||||
| WinHttpQueryHeaders @30 | |||||
| WinHttpQueryOption @31 | |||||
| WinHttpReadData @32 | |||||
| WinHttpReceiveResponse @33 | |||||
| WinHttpResetAutoProxy @34 | |||||
| WinHttpSaveProxyCredentials @35 | |||||
| WinHttpSendRequest @36 | |||||
| WinHttpSetCredentials @37 | |||||
| WinHttpSetDefaultProxyConfiguration @38 | |||||
| WinHttpSetOption @39 | |||||
| WinHttpSetStatusCallback @40 | |||||
| WinHttpSetTimeouts @41 | |||||
| WinHttpTimeFromSystemTime @42 | |||||
| WinHttpTimeToSystemTime @43 | |||||
| WinHttpWebSocketClose @44 | |||||
| WinHttpWebSocketCompleteUpgrade @45 | |||||
| WinHttpWebSocketQueryCloseStatus @46 | |||||
| WinHttpWebSocketReceive @47 | |||||
| WinHttpWebSocketSend @48 | |||||
| WinHttpWebSocketShutdown @49 | |||||
| WinHttpWriteData @50 | |||||
| SetGetMessageHook @51 | |||||
| SetPeekMessageHook @52 | |||||
+ 74
- 0
Doorstop/Proxy/proxy.h
View File
| @ -0,0 +1,74 @@ | |||||
| /* | |||||
| * Proxy.h -- Definitions for proxy-related functionality | |||||
| * | |||||
| * The proxy works roughly as follows: | |||||
| * - We define our exports in proxy.c (computer generated) | |||||
| * - loadProxy initializes the proxy: | |||||
| * 1. Look up the name of this DLL | |||||
| * 2. Find the original DLL with the same name | |||||
| * 3. Load the original DLL | |||||
| * 4. Load all functions into originalFunctions array | |||||
| * | |||||
| * For more information, refer to proxy.c | |||||
| */ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4267 6387 6386 ) | |||||
| #include <Windows.h> | |||||
| #include <Shlwapi.h> | |||||
| #include "assert_util.h" | |||||
| #include <crtdbg.h> | |||||
| #define ALT_POSTFIX L"_alt.dll" | |||||
| #define DLL_POSTFIX L".dll" | |||||
| extern FARPROC originalFunctions[]; | |||||
| extern void loadFunctions(HMODULE dll); | |||||
| // Load the proxy functions into memory | |||||
| inline void loadProxy(wchar_t *moduleName) | |||||
| { | |||||
| size_t module_name_len = wcslen(moduleName); | |||||
| size_t alt_name_len = module_name_len + STR_LEN(ALT_POSTFIX); | |||||
| wchar_t *alt_name = memalloc(sizeof(wchar_t) * alt_name_len); | |||||
| wmemcpy(alt_name, moduleName, module_name_len); | |||||
| wmemcpy(alt_name + module_name_len, ALT_POSTFIX, STR_LEN(ALT_POSTFIX)); | |||||
| wchar_t *dll_path = NULL; // The final DLL path | |||||
| const int alt_full_path_len = GetFullPathNameW(alt_name, 0, NULL, NULL); | |||||
| wchar_t *alt_full_path = memalloc(sizeof(wchar_t) * alt_full_path_len); | |||||
| GetFullPathNameW(alt_name, alt_full_path_len, alt_full_path, NULL); | |||||
| memfree(alt_name); | |||||
| LOG("Looking for original DLL from %S\n", alt_full_path); | |||||
| // Try to look for the alternative first in the same directory. | |||||
| HMODULE handle = LoadLibrary(alt_full_path); | |||||
| if (handle == NULL) | |||||
| { | |||||
| size_t system_dir_len = GetSystemDirectoryW(NULL, 0); | |||||
| dll_path = memalloc(sizeof(wchar_t) * (system_dir_len + module_name_len + STR_LEN(DLL_POSTFIX))); | |||||
| _ASSERTE(dll_path != nullptr); | |||||
| GetSystemDirectoryW(dll_path, system_dir_len); | |||||
| dll_path[system_dir_len - 1] = L'\\'; | |||||
| wmemcpy(dll_path + system_dir_len, moduleName, module_name_len); | |||||
| wmemcpy(dll_path + system_dir_len + module_name_len, DLL_POSTFIX, STR_LEN(DLL_POSTFIX)); | |||||
| LOG("Looking for original DLL from %S\n", dll_path); | |||||
| handle = LoadLibraryW(dll_path); | |||||
| } | |||||
| ASSERT_F(handle != NULL, L"Unable to load the original %s.dll (looked from system directory and from %s_alt.dll)!", | |||||
| moduleName, moduleName); | |||||
| memfree(alt_full_path); | |||||
| memfree(dll_path); | |||||
| loadFunctions(handle); | |||||
| } | |||||
BIN
Doorstop/Proxy/proxy.rc
View File
+ 63
- 0
Doorstop/Proxy/proxydefs.txt
View File
| @ -0,0 +1,63 @@ | |||||
| SvchostPushServiceGlobals | |||||
| WinHttpAddRequestHeaders | |||||
| WinHttpAutoProxySvcMain | |||||
| WinHttpCheckPlatform | |||||
| WinHttpCloseHandle | |||||
| WinHttpConnect | |||||
| WinHttpConnectionDeletePolicyEntries | |||||
| WinHttpConnectionDeleteProxyInfo | |||||
| WinHttpConnectionFreeNameList | |||||
| WinHttpConnectionFreeProxyInfo | |||||
| WinHttpConnectionFreeProxyList | |||||
| WinHttpConnectionGetNameList | |||||
| WinHttpConnectionGetProxyInfo | |||||
| WinHttpConnectionGetProxyList | |||||
| WinHttpConnectionSetPolicyEntries | |||||
| WinHttpConnectionSetProxyInfo | |||||
| WinHttpConnectionUpdateIfIndexTable | |||||
| WinHttpCrackUrl | |||||
| WinHttpCreateProxyResolver | |||||
| WinHttpCreateUrl | |||||
| WinHttpDetectAutoProxyConfigUrl | |||||
| WinHttpFreeProxyResult | |||||
| WinHttpFreeProxyResultEx | |||||
| WinHttpFreeProxySettings | |||||
| WinHttpGetDefaultProxyConfiguration | |||||
| WinHttpGetIEProxyConfigForCurrentUser | |||||
| WinHttpGetProxyForUrl | |||||
| WinHttpGetProxyForUrlEx | |||||
| WinHttpGetProxyForUrlEx2 | |||||
| WinHttpGetProxyForUrlHvsi | |||||
| WinHttpGetProxyResult | |||||
| WinHttpGetProxyResultEx | |||||
| WinHttpGetProxySettingsVersion | |||||
| WinHttpGetTunnelSocket | |||||
| WinHttpOpen | |||||
| WinHttpOpenRequest | |||||
| WinHttpProbeConnectivity | |||||
| WinHttpQueryAuthSchemes | |||||
| WinHttpQueryDataAvailable | |||||
| WinHttpQueryHeaders | |||||
| WinHttpQueryOption | |||||
| WinHttpReadData | |||||
| WinHttpReadProxySettings | |||||
| WinHttpReadProxySettingsHvsi | |||||
| WinHttpReceiveResponse | |||||
| WinHttpResetAutoProxy | |||||
| WinHttpSaveProxyCredentials | |||||
| WinHttpSendRequest | |||||
| WinHttpSetCredentials | |||||
| WinHttpSetDefaultProxyConfiguration | |||||
| WinHttpSetOption | |||||
| WinHttpSetStatusCallback | |||||
| WinHttpSetTimeouts | |||||
| WinHttpTimeFromSystemTime | |||||
| WinHttpTimeToSystemTime | |||||
| WinHttpWebSocketClose | |||||
| WinHttpWebSocketCompleteUpgrade | |||||
| WinHttpWebSocketQueryCloseStatus | |||||
| WinHttpWebSocketReceive | |||||
| WinHttpWebSocketSend | |||||
| WinHttpWebSocketShutdown | |||||
| WinHttpWriteData | |||||
| WinHttpWriteProxySettings | |||||
+ 65
- 0
Doorstop/Proxy/winapi_util.h
View File
| @ -0,0 +1,65 @@ | |||||
| #pragma once | |||||
| #pragma warning( disable : 4267 6387 ) | |||||
| #include <windows.h> | |||||
| #include "crt.h" | |||||
| inline size_t get_module_path(HMODULE module, wchar_t **result, size_t *size, size_t free_space) | |||||
| { | |||||
| size_t i = 0; | |||||
| size_t len, s; | |||||
| *result = NULL; | |||||
| do | |||||
| { | |||||
| if (*result != NULL) | |||||
| memfree(*result); | |||||
| i++; | |||||
| s = i * MAX_PATH + 1; | |||||
| *result = memalloc(sizeof(wchar_t) * s); | |||||
| len = GetModuleFileNameW(module, *result, s); | |||||
| } | |||||
| while (GetLastError() == ERROR_INSUFFICIENT_BUFFER && s - len >= free_space); | |||||
| if (size != NULL) | |||||
| *size = s; | |||||
| return len; | |||||
| } | |||||
| inline wchar_t *get_ini_entry(const wchar_t *config_file, const wchar_t *section, const wchar_t *key, | |||||
| const wchar_t *default_val) | |||||
| { | |||||
| size_t i = 0; | |||||
| size_t size, read; | |||||
| wchar_t *result = NULL; | |||||
| do | |||||
| { | |||||
| if (result != NULL) | |||||
| memfree(result); | |||||
| i++; | |||||
| size = i * MAX_PATH + 1; | |||||
| result = memalloc(sizeof(wchar_t) * size); | |||||
| read = GetPrivateProfileStringW(section, key, default_val, result, size, config_file); | |||||
| } | |||||
| while (read == size - 1); | |||||
| return result; | |||||
| } | |||||
| inline wchar_t *get_file_name_no_ext(wchar_t *str, size_t len) | |||||
| { | |||||
| size_t ext_index = len; | |||||
| size_t i; | |||||
| for (i = len; i > 0; i--) | |||||
| { | |||||
| wchar_t c = *(str + i); | |||||
| if (c == L'.' && ext_index == len) | |||||
| ext_index = i; | |||||
| else if (c == L'\\') | |||||
| break; | |||||
| } | |||||
| size_t result_len = ext_index - i; | |||||
| wchar_t *result = memcalloc(sizeof(wchar_t) * result_len); | |||||
| wmemcpy(result, str + i + 1, result_len - 1); | |||||
| return result; | |||||
| } | |||||
+ 47
- 0
Doorstop/README.md
View File
| @ -0,0 +1,47 @@ | |||||
| <p align="center"> | |||||
| <img src="https://raw.githubusercontent.com/NeighTools/UnityDoorstop/master/docs/logo_sm.png"/> | |||||
| </p> | |||||
|  | |||||
|  | |||||
|  | |||||
| *Run managed code before Unity does!* | |||||
| # Unity Doorstop | |||||
| Doorstop is a tool to execute managed assemblies inside Unity as early as possible! | |||||
| This repository is indented mainly for developers! | |||||
| Developers should package Doorstop into their applications for the end-users. | |||||
| ## Features | |||||
| * **Runs first**: Doorstop runs its own code before Unity has an ability to do so. | |||||
| * **Configurable**: A very basic configuration file allows to specify your own assembly to execute! | |||||
| * **Public domain!** You are fully free to embed Doorstop into your application! | |||||
| ## Guides for users and developers on [the wiki](https://github.com/NeighTools/UnityDoorstop/wiki) | |||||
| ## Building | |||||
| To build, you will need: | |||||
| * Visual Studio 2017 (2015 might work as well with some modifications) | |||||
| * Visual C++ Toolset v140 | |||||
| * .NET Framework 3.5 or newer (only for the example, not used by the proxy) | |||||
| * Python (only to generate proxy functions; not needed to build) | |||||
| Clone, open in Visual Studio, select the platform (x86/x64) and build. | |||||
| #### Custom proxy functions | |||||
| Doorstop's proxy is flexible and allows to be load as different DLLs. | |||||
| You can modify which functions you want to proxy by adding/removing function names in `Proxy/proxydefs.txt` and running `proxygen/proxy_gen.py ../Proxy/proxydefs.txt` to generate an appropriate proxy functions. | |||||
| The current set up allows to use the proxy for the following DLLs: | |||||
| * `winhttp.dll` (All exports) | |||||
| * `iphlpapi.dll` (Only `GetIpAddrTable`) | |||||
| (WIP: Currently all build results are placed in separate folders; will be changed later) | |||||
+ 77
- 0
Doorstop/UnityDoorstop.sln
View File
| @ -0,0 +1,77 @@ | |||||
| | |||||
| Microsoft Visual Studio Solution File, Format Version 12.00 | |||||
| # Visual Studio 15 | |||||
| VisualStudioVersion = 15.0.27428.2043 | |||||
| MinimumVisualStudioVersion = 10.0.40219.1 | |||||
| Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "proxy", "Proxy\Proxy.vcxproj", "{88609E16-731F-46C9-8139-6B1A7A83240D}" | |||||
| EndProject | |||||
| Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DoorstopTest", "DoorstopTest\DoorstopTest.csproj", "{62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}" | |||||
| EndProject | |||||
| Global | |||||
| GlobalSection(SolutionConfigurationPlatforms) = preSolution | |||||
| Debug|Any CPU = Debug|Any CPU | |||||
| Debug|x64 = Debug|x64 | |||||
| Debug|x86 = Debug|x86 | |||||
| Release|Any CPU = Release|Any CPU | |||||
| Release|x64 = Release|x64 | |||||
| Release|x86 = Release|x86 | |||||
| Verbose_Release|Any CPU = Verbose_Release|Any CPU | |||||
| Verbose_Release|x64 = Verbose_Release|x64 | |||||
| Verbose_Release|x86 = Verbose_Release|x86 | |||||
| Verbose|Any CPU = Verbose|Any CPU | |||||
| Verbose|x64 = Verbose|x64 | |||||
| Verbose|x86 = Verbose|x86 | |||||
| EndGlobalSection | |||||
| GlobalSection(ProjectConfigurationPlatforms) = postSolution | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Debug|Any CPU.ActiveCfg = Debug|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Debug|x64.ActiveCfg = Debug|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Debug|x64.Build.0 = Debug|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Debug|x86.ActiveCfg = Debug|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Debug|x86.Build.0 = Debug|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Release|Any CPU.ActiveCfg = Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Release|x64.ActiveCfg = Release|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Release|x64.Build.0 = Release|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Release|x86.ActiveCfg = Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Release|x86.Build.0 = Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose_Release|Any CPU.ActiveCfg = Verbose_Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose_Release|x64.ActiveCfg = Verbose_Release|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose_Release|x64.Build.0 = Verbose_Release|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose_Release|x86.ActiveCfg = Verbose_Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose_Release|x86.Build.0 = Verbose_Release|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose|Any CPU.ActiveCfg = Verbose|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose|x64.ActiveCfg = Verbose|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose|x64.Build.0 = Verbose|x64 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose|x86.ActiveCfg = Verbose|Win32 | |||||
| {88609E16-731F-46C9-8139-6B1A7A83240D}.Verbose|x86.Build.0 = Verbose|Win32 | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|Any CPU.Build.0 = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|x64.ActiveCfg = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|x64.Build.0 = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|x86.ActiveCfg = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Debug|x86.Build.0 = Debug|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|Any CPU.ActiveCfg = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|Any CPU.Build.0 = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|x64.ActiveCfg = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|x64.Build.0 = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|x86.ActiveCfg = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Release|x86.Build.0 = Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|Any CPU.ActiveCfg = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|Any CPU.Build.0 = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|x64.ActiveCfg = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|x64.Build.0 = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|x86.ActiveCfg = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose_Release|x86.Build.0 = Verbose_Release|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|Any CPU.ActiveCfg = Verbose|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|Any CPU.Build.0 = Verbose|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|x64.ActiveCfg = Verbose|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|x64.Build.0 = Verbose|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|x86.ActiveCfg = Verbose|Any CPU | |||||
| {62B61CCC-0775-4CF4-B37A-EB5E33CBD08C}.Verbose|x86.Build.0 = Verbose|Any CPU | |||||
| EndGlobalSection | |||||
| GlobalSection(SolutionProperties) = preSolution | |||||
| HideSolutionNode = FALSE | |||||
| EndGlobalSection | |||||
| GlobalSection(ExtensibilityGlobals) = postSolution | |||||
| SolutionGuid = {4EF47C82-18DC-4E9E-A878-8C003FFB303D} | |||||
| EndGlobalSection | |||||
| EndGlobal | |||||
BIN
Doorstop/docs/logo.png
View File
| Before | After |
|---|---|
|
|
| Width: 3469 | Height: 649 | Size: 84 KiB |
BIN
Doorstop/docs/logo_sm.png
View File
| Before | After |
|---|---|
|
|
| Width: 694 | Height: 130 | Size: 14 KiB |
+ 52
- 0
Doorstop/proxygen/proxy_gen.py
View File
| @ -0,0 +1,52 @@ | |||||
| import sys | |||||
| import os | |||||
| #import pefile | |||||
| import io | |||||
| import string | |||||
| def main(): | |||||
| path = os.path.dirname(os.path.realpath(sys.argv[0])) | |||||
| file = sys.argv[1] | |||||
| proxies = io.StringIO() | |||||
| proxy_add = io.StringIO() | |||||
| proxy_def = io.StringIO() | |||||
| proxy_def_file = io.StringIO() | |||||
| count = 0 | |||||
| """ for dll in dlls: | |||||
| pe = pefile.PE(dll, fast_load=True) | |||||
| pe.parse_data_directories() | |||||
| for exp in pe.DIRECTORY_ENTRY_EXPORT.symbols: | |||||
| name = exp.name.decode() | |||||
| proxies.write("%s\n" % name) | |||||
| proxy_add.write("ADD_ORIGINAL(%d, %s);\n" % (count, name)) | |||||
| proxy_def.write("PROXY(%d, %s);\n" % (count, name)) | |||||
| count = count + 1 """ | |||||
| with open(file, "r") as includes: | |||||
| names = includes.readlines() | |||||
| for name in names: | |||||
| name = name.strip() | |||||
| proxies.write(f"{name}\n") | |||||
| proxy_add.write(f"ADD_ORIGINAL({count}, {name});\n") | |||||
| proxy_def.write(f"PROXY({count}, {name});\n") | |||||
| proxy_def_file.write(f" {name} @{count+1}\n") | |||||
| count = count + 1 | |||||
| with open(f"{path}\\templates\\proxy_template.c", "r") as proxy_file: | |||||
| new_proxy = string.Template(proxy_file.read()).safe_substitute(proxy_count=count, proxy_add=proxy_add.getvalue(), proxy_def=proxy_def.getvalue()) | |||||
| with open(f"{path}\\..\\Proxy\\proxy.c", "w") as proxy_c_file: | |||||
| proxy_c_file.write(new_proxy) | |||||
| with open(f"{path}\\templates\\proxy_template.def", "r") as proxy_file: | |||||
| new_proxy_def = string.Template(proxy_file.read()).safe_substitute(proxy_exports=proxy_def_file.getvalue()) | |||||
| with open(f"{path}\\..\\Proxy\\proxy.def", "w") as proxy_def_file: | |||||
| proxy_def_file.write(new_proxy_def) | |||||
| if __name__ == "__main__": | |||||
| main() | |||||
+ 34
- 0
Doorstop/proxygen/templates/proxy_template.c
View File
| @ -0,0 +1,34 @@ | |||||
| /* ================================== | |||||
| * COMPUTER GENERATED -- DO NOT EDIT | |||||
| * ================================== | |||||
| * | |||||
| * This file contains the definitions for all proxy functions this DLL supports. | |||||
| * | |||||
| * The proxies are very simple functions that should be optimizied into a | |||||
| * single JMP instruction without editing the stack at all. | |||||
| * | |||||
| * NOTE: While this works, this is a somewhat hackish approach that is based on how | |||||
| * the compiler optimizes the code. That said, the proxy will not work on Debug build currently | |||||
| * (that can be fixed by changing the appropriate compile flag that I am yet to locate). | |||||
| */ | |||||
| #pragma warning( disable : 4244 ) | |||||
| #include <windows.h> | |||||
| #define ADD_ORIGINAL(i, name) originalFunctions[i] = GetProcAddress(dll, #name) | |||||
| #define PROXY(i, name) \ | |||||
| __declspec(dllexport) ULONG __stdcall name() \ | |||||
| { \ | |||||
| return originalFunctions[i](); \ | |||||
| } | |||||
| FARPROC originalFunctions[${proxy_count}] = {0}; | |||||
| void loadFunctions(HMODULE dll) | |||||
| { | |||||
| ${proxy_add} | |||||
| } | |||||
| ${proxy_def} | |||||
+ 3
- 0
Doorstop/proxygen/templates/proxy_template.def
View File
| @ -0,0 +1,3 @@ | |||||
| LIBRARY proxy.dll | |||||
| EXPORTS | |||||
| ${proxy_exports} | |||||
+ 50
- 0
Doorstop/proxygen/winhttp.txt
View File
| @ -0,0 +1,50 @@ | |||||
| WinHttpAddRequestHeaders | |||||
| WinHttpAutoProxySvcMain | |||||
| WinHttpCheckPlatform | |||||
| WinHttpCloseHandle | |||||
| WinHttpConnect | |||||
| WinHttpConnectionDeleteProxyInfo | |||||
| WinHttpConnectionFreeNameList | |||||
| WinHttpConnectionFreeProxyInfo | |||||
| WinHttpConnectionFreeProxyList | |||||
| WinHttpConnectionGetNameList | |||||
| WinHttpConnectionGetProxyInfo | |||||
| WinHttpConnectionGetProxyList | |||||
| WinHttpConnectionSetProxyInfo | |||||
| WinHttpCrackUrl | |||||
| WinHttpCreateProxyResolver | |||||
| WinHttpCreateUrl | |||||
| WinHttpDetectAutoProxyConfigUrl | |||||
| WinHttpFreeProxyResult | |||||
| WinHttpGetDefaultProxyConfiguration | |||||
| WinHttpGetIEProxyConfigForCurrentUser | |||||
| WinHttpGetProxyForUrl | |||||
| WinHttpGetProxyForUrlEx | |||||
| WinHttpGetProxyResult | |||||
| WinHttpGetTunnelSocket | |||||
| WinHttpOpen | |||||
| WinHttpOpenRequest | |||||
| WinHttpProbeConnectivity | |||||
| WinHttpQueryAuthSchemes | |||||
| WinHttpQueryDataAvailable | |||||
| WinHttpQueryHeaders | |||||
| WinHttpQueryOption | |||||
| WinHttpReadData | |||||
| WinHttpReceiveResponse | |||||
| WinHttpResetAutoProxy | |||||
| WinHttpSaveProxyCredentials | |||||
| WinHttpSendRequest | |||||
| WinHttpSetCredentials | |||||
| WinHttpSetDefaultProxyConfiguration | |||||
| WinHttpSetOption | |||||
| WinHttpSetStatusCallback | |||||
| WinHttpSetTimeouts | |||||
| WinHttpTimeFromSystemTime | |||||
| WinHttpTimeToSystemTime | |||||
| WinHttpWebSocketClose | |||||
| WinHttpWebSocketCompleteUpgrade | |||||
| WinHttpWebSocketQueryCloseStatus | |||||
| WinHttpWebSocketReceive | |||||
| WinHttpWebSocketSend | |||||
| WinHttpWebSocketShutdown | |||||
| WinHttpWriteData | |||||