chore: import upstream snapshot with attribution

src/modules/Hosts/HostsModuleInterface/HostsModuleInterface.base.rc

@@ -0,0 +1,40 @@
+#include <windows.h>
+#include "resource.h"
+#include "../../../common/version/version.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+#include "winres.h"
+#undef APSTUDIO_READONLY_SYMBOLS
+
+1 VERSIONINFO
+FILEVERSION FILE_VERSION
+PRODUCTVERSION PRODUCT_VERSION
+FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+FILEFLAGS VS_FF_DEBUG
+#else
+FILEFLAGS 0x0L
+#endif
+FILEOS VOS_NT_WINDOWS32
+FILETYPE VFT_DLL
+FILESUBTYPE VFT2_UNKNOWN
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0" // US English (0x0409), Unicode (0x04B0) charset
+        BEGIN
+            VALUE "CompanyName", COMPANY_NAME
+            VALUE "FileDescription", FILE_DESCRIPTION
+            VALUE "FileVersion", FILE_VERSION_STRING
+            VALUE "InternalName", INTERNAL_NAME
+            VALUE "LegalCopyright", COPYRIGHT_NOTE
+            VALUE "OriginalFilename", ORIGINAL_FILENAME
+            VALUE "ProductName", PRODUCT_NAME
+            VALUE "ProductVersion", PRODUCT_VERSION_STRING
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1200 // US English (0x0409), Unicode (1200) charset
+    END
+END

src/modules/Hosts/HostsModuleInterface/HostsModuleInterface.vcxproj

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <Import Project="$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.props" Condition="Exists('$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.props')" />
+  <Target Name="GenerateResourceFiles" BeforeTargets="PrepareForBuild">
+    <Exec LogStandardErrorAsError="false" Command="powershell -NonInteractive -executionpolicy Unrestricted -NoProfile ..\..\..\..\tools\build\convert-resx-to-rc.ps1 $(MSBuildThisFileDirectory) resource.base.h resource.h HostsModuleInterface.base.rc HostsModuleInterface.rc" />
+  </Target>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <ProjectGuid>{B41B888C-7DB8-4747-B262-4062E05A230D}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>HostsModuleInterface</RootNamespace>
+    <ProjectName>HostsModuleInterface</ProjectName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <OutDir>$(RepoRoot)$(Platform)\$(Configuration)\WinUI3Apps\</OutDir>
+    <TargetName>PowerToys.HostsModuleInterface</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(RepoRoot)src\common\inc;$(RepoRoot)src\common\Telemetry;..\..\;$(RepoRoot)src\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+    <None Include="resource.base.h" />
+    <ClInclude Include="Generated Files\resource.h" />
+    <ClInclude Include="trace.h" />
+    <ClInclude Include="pch.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="trace.cpp" />
+    <ClCompile Include="pch.cpp">
+      <PrecompiledHeader Condition="'$(UsePrecompiledHeaders)' != 'false'">Create</PrecompiledHeader>
+    </ClCompile>
+    <ClCompile Include="dllmain.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(RepoRoot)src\common\logger\logger.vcxproj">
+      <Project>{d9b8fc84-322a-4f9f-bbb9-20915c47ddfd}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(RepoRoot)src\common\SettingsAPI\SettingsAPI.vcxproj">
+      <Project>{6955446d-23f7-4023-9bb3-8657f904af99}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="HostsModuleInterface.base.rc" />
+    <ResourceCompile Include="Generated Files\HostsModuleInterface.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resource.resx" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <Import Project="$(RepoRoot)deps\spdlog.props" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.props')" Text="$([System.String]::Format('$(ErrorText)', '$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.props'))" />
+    <Error Condition="!Exists('$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(RepoRoot)packages\Microsoft.Windows.CppWinRT.2.0.250303.1\build\native\Microsoft.Windows.CppWinRT.targets'))" />
+  </Target>
+</Project>

src/modules/Hosts/HostsModuleInterface/HostsModuleInterface.vcxproj.filters

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;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;h++;hm;inl;inc;ipp;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="Generated Files">
+      <UniqueIdentifier>{875a08c6-f610-4667-bd0f-80171ed96072}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="pch.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="dllmain.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="trace.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="HostsModuleInterface.base.rc">
+      <Filter>Resource Files</Filter>
+    </None>
+    <None Include="Resource.resx">
+      <Filter>Resource Files</Filter>
+    </None>
+    <None Include="resource.base.h">
+      <Filter>Header Files</Filter>
+    </None>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="pch.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="Generated Files\resource.h">
+      <Filter>Generated Files</Filter>
+    </ClInclude>
+    <ClInclude Include="trace.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="Generated Files\HostsModuleInterface.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+</Project>

src/modules/Hosts/HostsModuleInterface/Resource.resx

@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <data name="Hosts_Name" xml:space="preserve">
+    <value>Hosts File Editor</value>
+    <comment>"Hosts" refer to the system hosts file, do not loc</comment>
+  </data>
+</root>

src/modules/Hosts/HostsModuleInterface/dllmain.cpp

@@ -0,0 +1,306 @@
+#include "pch.h"
+
+#include "trace.h"
+#include <common/logger/logger.h>
+#include <common/utils/logger_helper.h>
+#include <interface/powertoy_module_interface.h>
+#include "Generated Files/resource.h"
+
+#include <shellapi.h>
+#include <common/interop/shared_constants.h>
+#include <common/utils/EventWaiter.h>
+#include <common/utils/resources.h>
+#include <common/utils/winapi_error.h>
+#include <common/SettingsAPI/settings_objects.h>
+#include <string>
+
+extern "C" IMAGE_DOS_HEADER __ImageBase;
+
+BOOL APIENTRY DllMain(HMODULE /*hModule*/, DWORD ul_reason_for_call, LPVOID /*lpReserved*/)
+{
+    switch (ul_reason_for_call)
+    {
+    case DLL_PROCESS_ATTACH:
+        Trace::RegisterProvider();
+        break;
+    case DLL_THREAD_ATTACH:
+    case DLL_THREAD_DETACH:
+        break;
+    case DLL_PROCESS_DETACH:
+        Trace::UnregisterProvider();
+        break;
+    }
+    return TRUE;
+}
+
+namespace
+{
+    // Name of the powertoy module.
+    inline const std::wstring ModuleKey = L"Hosts";
+}
+
+class HostsModuleInterface : public PowertoyModuleIface
+{
+private:
+    bool m_enabled = false;
+
+    std::wstring app_name;
+
+    //contains the non localized key of the powertoy
+    std::wstring app_key;
+
+    HANDLE m_hProcess = nullptr;
+
+    HANDLE m_hShowEvent{};
+
+    HANDLE m_hShowAdminEvent{};
+
+    HANDLE m_hTerminateEvent{};
+
+    bool is_process_running()
+    {
+        return WaitForSingleObject(m_hProcess, 0) == WAIT_TIMEOUT;
+    }
+
+    void bring_process_to_front()
+    {
+        auto enum_windows = [](HWND hwnd, LPARAM param) -> BOOL {
+            HANDLE process_handle = reinterpret_cast<HANDLE>(param);
+            DWORD window_process_id = 0;
+
+            GetWindowThreadProcessId(hwnd, &window_process_id);
+            if (GetProcessId(process_handle) == window_process_id)
+            {
+                SetForegroundWindow(hwnd);
+                return FALSE;
+            }
+            return TRUE;
+        };
+
+        EnumWindows(enum_windows, (LPARAM)m_hProcess);
+    }
+
+    void launch_process(bool runas)
+    {
+        Logger::trace(L"Starting Hosts process");
+        unsigned long powertoys_pid = GetCurrentProcessId();
+
+        std::wstring executable_args = L"";
+        executable_args.append(std::to_wstring(powertoys_pid));
+
+        SHELLEXECUTEINFOW sei{ sizeof(sei) };
+        sei.fMask = { SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_NO_UI };
+        sei.lpFile = L"WinUI3Apps\\PowerToys.Hosts.exe";
+        sei.nShow = SW_SHOWNORMAL;
+        sei.lpParameters = executable_args.data();
+
+        if (runas)
+        {
+            sei.lpVerb = L"runas";
+        }
+
+        if (ShellExecuteExW(&sei))
+        {
+            Logger::trace("Successfully started the Hosts process");
+        }
+        else
+        {
+            Logger::error(L"Hosts failed to start. {}", get_last_error_or_default(GetLastError()));
+        }
+
+        m_hProcess = sei.hProcess;
+    }
+
+public:
+    EventWaiter m_showEventWaiter;
+
+    EventWaiter m_showAdminEventWaiter;
+
+    HostsModuleInterface()
+    {
+        app_name = GET_RESOURCE_STRING(IDS_HOSTS_NAME);
+        app_key = ModuleKey;
+        LoggerHelpers::init_logger(app_key, L"ModuleInterface", LogSettings::hostsLoggerName);
+
+        m_hShowEvent = CreateDefaultEvent(CommonSharedConstants::SHOW_HOSTS_EVENT);
+        if (!m_hShowEvent)
+        {
+            Logger::error(L"Failed to create show hosts event");
+            auto message = get_last_error_message(GetLastError());
+            if (message.has_value())
+            {
+                Logger::error(message.value());
+            }
+        }
+
+        m_hShowAdminEvent = CreateDefaultEvent(CommonSharedConstants::SHOW_HOSTS_ADMIN_EVENT);
+        if (!m_hShowAdminEvent)
+        {
+            Logger::error(L"Failed to create show hosts admin event");
+            auto message = get_last_error_message(GetLastError());
+            if (message.has_value())
+            {
+                Logger::error(message.value());
+            }
+        }
+
+        m_hTerminateEvent = CreateDefaultEvent(CommonSharedConstants::TERMINATE_HOSTS_EVENT);
+        if (!m_hTerminateEvent)
+        {
+            Logger::error(L"Failed to create terminate hosts event");
+            auto message = get_last_error_message(GetLastError());
+            if (message.has_value())
+            {
+                Logger::error(message.value());
+            }
+        }
+
+        m_showEventWaiter.start(CommonSharedConstants::SHOW_HOSTS_EVENT, [&](DWORD err)
+        {
+            if (m_enabled && err == ERROR_SUCCESS)
+            {
+                Logger::trace(L"{} event was signaled", CommonSharedConstants::SHOW_HOSTS_EVENT);
+
+                if (is_process_running())
+                {
+                    bring_process_to_front();
+                }
+                else
+                {
+                    launch_process(false);
+                }
+
+                Trace::ActivateEditor();
+            }
+        });
+
+        m_showAdminEventWaiter.start(CommonSharedConstants::SHOW_HOSTS_ADMIN_EVENT, [&](DWORD err)
+        {
+            if (m_enabled && err == ERROR_SUCCESS)
+            {
+                Logger::trace(L"{} event was signaled", CommonSharedConstants::SHOW_HOSTS_ADMIN_EVENT);
+                
+                if (is_process_running())
+                {
+                    bring_process_to_front();
+                }
+                else
+                {
+                    launch_process(true);
+                }
+
+                Trace::ActivateEditor();
+            }
+        });
+    }
+
+    ~HostsModuleInterface()
+    {
+        m_enabled = false;
+    }
+
+    // Destroy the powertoy and free memory
+    virtual void destroy() override
+    {
+        Logger::trace("HostsModuleInterface::destroy()");
+
+        if (m_hShowEvent)
+        {
+            CloseHandle(m_hShowEvent);
+            m_hShowEvent = nullptr;
+        }
+
+        if (m_hShowAdminEvent)
+        {
+            CloseHandle(m_hShowAdminEvent);
+            m_hShowAdminEvent = nullptr;
+        }
+
+        if (m_hTerminateEvent)
+        {
+            CloseHandle(m_hTerminateEvent);
+            m_hTerminateEvent = nullptr;
+        }
+
+        delete this;
+    }
+
+    // Return the localized display name of the powertoy
+    virtual const wchar_t* get_name() override
+    {
+        return app_name.c_str();
+    }
+
+    // Return the non localized key of the powertoy, this will be cached by the runner
+    virtual const wchar_t* get_key() override
+    {
+        return app_key.c_str();
+    }
+
+    // Return the configured status for the gpo policy for the module
+    virtual powertoys_gpo::gpo_rule_configured_t gpo_policy_enabled_configuration() override
+    {
+        return powertoys_gpo::getConfiguredHostsFileEditorEnabledValue();
+    }
+
+    // Returns whether the PowerToys should be enabled by default
+    virtual bool is_enabled_by_default() const override
+    {
+        return false;
+    }
+
+    virtual bool get_config(wchar_t* /*buffer*/, int* /*buffer_size*/) override
+    {
+        return false;
+    }
+
+    virtual void call_custom_action(const wchar_t* /*action*/) override
+    {
+    }
+
+    virtual void set_config(const wchar_t* /*config*/) override
+    {
+    }
+
+    virtual bool is_enabled() override
+    {
+        return m_enabled;
+    }
+
+    virtual void enable()
+    {
+        Logger::trace("HostsModuleInterface::enable()");
+        m_enabled = true;
+        Trace::EnableHostsFileEditor(true);
+    };
+
+    virtual void disable()
+    {
+        Logger::trace("HostsModuleInterface::disable()");
+        if (m_enabled)
+        {
+            if (m_hShowEvent)
+            {
+                ResetEvent(m_hShowEvent);
+            }
+
+            if (m_hShowAdminEvent)
+            {
+                ResetEvent(m_hShowAdminEvent);
+            }
+
+            SetEvent(m_hTerminateEvent);
+            WaitForSingleObject(m_hProcess, 1500);
+            TerminateProcess(m_hProcess, 1);
+            ResetEvent(m_hTerminateEvent);
+        }
+
+        m_enabled = false;
+        Trace::EnableHostsFileEditor(false);
+    }
+};
+
+extern "C" __declspec(dllexport) PowertoyModuleIface* __cdecl powertoy_create()
+{
+    return new HostsModuleInterface();
+}

src/modules/Hosts/HostsModuleInterface/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.CppWinRT" version="2.0.250303.1" targetFramework="native" />
+</packages>

src/modules/Hosts/HostsModuleInterface/pch.cpp

@@ -0,0 +1 @@
+#include "pch.h"

src/modules/Hosts/HostsModuleInterface/pch.h

@@ -0,0 +1,4 @@
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>

src/modules/Hosts/HostsModuleInterface/resource.base.h

@@ -0,0 +1,13 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by AlwaysOnTopModuleInterface.rc
+
+//////////////////////////////
+// Non-localizable
+
+#define FILE_DESCRIPTION "PowerToys Hosts Module"
+#define INTERNAL_NAME "PowerToys.HostsModuleInterface"
+#define ORIGINAL_FILENAME "PowerToys.HostsModuleInterface.dll"
+
+// Non-localizable
+//////////////////////////////

src/modules/Hosts/HostsModuleInterface/trace.cpp

@@ -0,0 +1,32 @@
+#include "pch.h"
+#include "trace.h"
+
+#include <common/Telemetry/TraceBase.h>
+
+TRACELOGGING_DEFINE_PROVIDER(
+    g_hProvider,
+    "Microsoft.PowerToys",
+    // {38e8889b-9731-53f5-e901-e8a7c1753074}
+    (0x38e8889b, 0x9731, 0x53f5, 0xe9, 0x01, 0xe8, 0xa7, 0xc1, 0x75, 0x30, 0x74),
+    TraceLoggingOptionProjectTelemetry());
+
+// Log if the user has HostsFileEditor enabled or disabled
+void Trace::EnableHostsFileEditor(const bool enabled) noexcept
+{
+    TraceLoggingWriteWrapper(
+        g_hProvider,
+        "HostsFileEditor_EnableHostsFileEditor",
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE),
+        TraceLoggingBoolean(enabled, "Enabled"));
+}
+
+// Log that the user tried to activate the editor
+void Trace::ActivateEditor() noexcept
+{
+    TraceLoggingWriteWrapper(
+        g_hProvider,
+        "HostsFileEditor_Activate",
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE));
+}

src/modules/Hosts/HostsModuleInterface/trace.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <common/Telemetry/TraceBase.h>
+
+class Trace : public telemetry::TraceBase
+{
+public:
+    // Log if the user has HostsFileEditor enabled or disabled
+    static void EnableHostsFileEditor(const bool enabled) noexcept;
+
+    // Log that the user tried to activate the editor
+    static void ActivateEditor() noexcept;
+};