WSLApiLoader to expose missing function

DistroLauncher/WslApiLoader.cpp

@@ -14,6 +14,7 @@ WslApiLoader::WslApiLoader(const std::wstring& distributionName) :
         _isDistributionRegistered = (WSL_IS_DISTRIBUTION_REGISTERED)GetProcAddress(_wslApiDll, "WslIsDistributionRegistered");
         _registerDistribution = (WSL_REGISTER_DISTRIBUTION)GetProcAddress(_wslApiDll, "WslRegisterDistribution");
         _configureDistribution = (WSL_CONFIGURE_DISTRIBUTION)GetProcAddress(_wslApiDll, "WslConfigureDistribution");
+        _getDistributionConfiguration = (WSL_GET_DISTRIBUTION_CONFIGURATION)GetProcAddress(_wslApiDll, "WslGetDistributionConfiguration");
         _launchInteractive = (WSL_LAUNCH_INTERACTIVE)GetProcAddress(_wslApiDll, "WslLaunchInteractive");
         _launch = (WSL_LAUNCH)GetProcAddress(_wslApiDll, "WslLaunch");
     }
@@ -32,6 +33,7 @@ BOOL WslApiLoader::WslIsOptionalComponentInstalled()
             (_isDistributionRegistered != nullptr) &&
             (_registerDistribution != nullptr) &&
             (_configureDistribution != nullptr) &&
+            (_getDistributionConfiguration != nullptr) &&
             (_launchInteractive != nullptr) &&
             (_launch != nullptr));
 }
@@ -61,6 +63,20 @@ HRESULT WslApiLoader::WslConfigureDistribution(ULONG defaultUID, WSL_DISTRIBUTIO
     return hr;
 }
 
+HRESULT WslApiLoader::WslGetDistributionConfiguration(ULONG* distributionVersion,
+                                                      ULONG* defaultUID,
+                                                      WSL_DISTRIBUTION_FLAGS* wslDistributionFlags, 
+                                                      PSTR** defaultEnvironmentVariables,
+                                                      ULONG* defaultEnvironmentVariableCount)
+{
+    return _getDistributionConfiguration(_distributionName.c_str(),
+                                         distributionVersion,
+                                         defaultUID,
+                                         wslDistributionFlags,
+                                         defaultEnvironmentVariables,
+                                         defaultEnvironmentVariableCount);
+}
+
 HRESULT WslApiLoader::WslLaunchInteractive(PCWSTR command, BOOL useCurrentWorkingDirectory, DWORD *exitCode)
 {
     HRESULT hr = _launchInteractive(_distributionName.c_str(), command, useCurrentWorkingDirectory, exitCode);

DistroLauncher/WslApiLoader.h

@@ -33,6 +33,13 @@ class WslApiLoader
     HRESULT WslConfigureDistribution(ULONG defaultUID,
                                      WSL_DISTRIBUTION_FLAGS wslDistributionFlags);
 
+    HRESULT WslGetDistributionConfiguration(ULONG* distributionVersion,
+                                            ULONG* defaultUID,
+                                            WSL_DISTRIBUTION_FLAGS* wslDistributionFlags,
+                                            PSTR** defaultEnvironmentVariables,
+                                            ULONG* defaultEnvironmentVariableCount
+                                            );
+
     HRESULT WslLaunchInteractive(PCWSTR command,
                                  BOOL useCurrentWorkingDirectory,
                                  DWORD *exitCode);
@@ -50,6 +57,7 @@ class WslApiLoader
     WSL_IS_DISTRIBUTION_REGISTERED _isDistributionRegistered;
     WSL_REGISTER_DISTRIBUTION _registerDistribution;
     WSL_CONFIGURE_DISTRIBUTION _configureDistribution;
+    WSL_GET_DISTRIBUTION_CONFIGURATION _getDistributionConfiguration;
     WSL_LAUNCH_INTERACTIVE _launchInteractive;
     WSL_LAUNCH _launch;
 };