From 8fb5d579e8cf5eb0f93d07a73bf318a8969c6b10 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Wed, 17 Jul 2024 11:09:34 -0700
Subject: Initialize WOW64 in TouchFile custom action

Fixes 8638
---
 src/ext/Util/ca/TouchFile.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'src/ext')

diff --git a/src/ext/Util/ca/TouchFile.cpp b/src/ext/Util/ca/TouchFile.cpp
index 2c3918af..4a3b57b4 100644
--- a/src/ext/Util/ca/TouchFile.cpp
+++ b/src/ext/Util/ca/TouchFile.cpp
@@ -23,6 +23,7 @@ static HRESULT SetExistingFileModifiedTime(
     )
 {
     HRESULT hr = S_OK;
+#ifndef _WIN64
     BOOL fReenableFileSystemRedirection = FALSE;
 
     if (f64Bit)
@@ -32,14 +33,20 @@ static HRESULT SetExistingFileModifiedTime(
 
         fReenableFileSystemRedirection = TRUE;
     }
+#else
+    UNREFERENCED_PARAMETER(wzId);
+    UNREFERENCED_PARAMETER(f64Bit);
+#endif
 
     hr = FileSetTime(wzPath, NULL, NULL, pftModified);
 
+#ifndef _WIN64
 LExit:
     if (fReenableFileSystemRedirection)
     {
         WcaRevertWow64FSRedirection();
     }
+#endif
 
     return hr;
 }
@@ -83,6 +90,7 @@ static BOOL TryGetExistingFileModifiedTime(
     )
 {
     HRESULT hr = S_OK;
+#ifndef _WIN64
     BOOL fReenableFileSystemRedirection = FALSE;
 
     if (f64Bit)
@@ -92,6 +100,10 @@ static BOOL TryGetExistingFileModifiedTime(
 
         fReenableFileSystemRedirection = TRUE;
     }
+#else
+    UNREFERENCED_PARAMETER(wzId);
+    UNREFERENCED_PARAMETER(f64Bit);
+#endif
 
     hr = FileGetTime(wzPath, NULL, NULL, pftModified);
     if (E_PATHNOTFOUND == hr || E_FILENOTFOUND == hr)
@@ -104,11 +116,13 @@ static BOOL TryGetExistingFileModifiedTime(
         WcaLog(LOGMSG_STANDARD, "Cannot access modified timestamp for file: '%ls' due to error: 0x%x. Continuing with out rollback for: %ls", wzPath, hr, wzId);
     }
 
+#ifndef _WIN64
 LExit:
     if (fReenableFileSystemRedirection)
     {
         WcaRevertWow64FSRedirection();
     }
+#endif
 
     return SUCCEEDED(hr);
 }
@@ -217,9 +231,17 @@ extern "C" UINT WINAPI WixTouchFileDuringInstall(
     hr = WcaInitialize(hInstall, "WixTouchFileDuringInstall");
     ExitOnFailure(hr, "Failed to initialize WixTouchFileDuringInstall.");
 
+#ifndef _WIN64
+    WcaInitializeWow64();
+#endif
+
     hr = ProcessTouchFileTable(TRUE);
 
 LExit:
+#ifndef _WIN64
+    WcaFinalizeWow64();
+#endif
+
     DWORD er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
     return WcaFinalize(er);
 }
@@ -236,9 +258,17 @@ extern "C" UINT WINAPI WixTouchFileDuringUninstall(
     hr = WcaInitialize(hInstall, "WixTouchFileDuringUninstall");
     ExitOnFailure(hr, "Failed to initialize WixTouchFileDuringUninstall.");
 
+#ifndef _WIN64
+    WcaInitializeWow64();
+#endif
+
     hr = ProcessTouchFileTable(FALSE);
 
 LExit:
+#ifndef _WIN64
+    WcaFinalizeWow64();
+#endif
+
     DWORD er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
     return WcaFinalize(er);
 }
@@ -261,6 +291,10 @@ extern "C" UINT WINAPI WixExecuteTouchFile(
     hr = WcaInitialize(hInstall, "WixExecuteTouchFile");
     ExitOnFailure(hr, "Failed to initialize WixExecuteTouchFile.");
 
+#ifndef _WIN64
+    WcaInitializeWow64();
+#endif
+
     hr = WcaGetProperty(L"CustomActionData", &sczData);
     ExitOnFailure(hr, "Failed to get custom action data for WixExecuteTouchFile.");
 
@@ -299,6 +333,10 @@ extern "C" UINT WINAPI WixExecuteTouchFile(
     }
 
 LExit:
+#ifndef _WIN64
+    WcaFinalizeWow64();
+#endif
+
     ReleaseStr(sczPath);
     ReleaseStr(sczId);
     ReleaseStr(sczData);
-- 
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