From 18d52d43368d3574001e68a0cfcdc02dac3c8fd3 Mon Sep 17 00:00:00 2001
From: Giannis Adamopoulos <gadamopoulos@reactos.org>
Date: Tue, 14 Feb 2017 09:47:13 +0000
Subject: [PATCH] [RUNDLL32] -Load and activate the manifest of the hosted dll
 before loading the library.

svn path=/trunk/; revision=73799
---
 reactos/base/system/rundll32/rundll32.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/reactos/base/system/rundll32/rundll32.c b/reactos/base/system/rundll32/rundll32.c
index f9d6b7e4c7a..23bba1e2539 100644
--- a/reactos/base/system/rundll32/rundll32.c
+++ b/reactos/base/system/rundll32/rundll32.c
@@ -346,6 +346,11 @@ int WINAPI _tWinMain(
     int i;
     size_t nStrLen;
 
+    ACTCTXW ActCtx = {sizeof(ACTCTX), ACTCTX_FLAG_RESOURCE_NAME_VALID};
+    HANDLE hActCtx;
+    ULONG_PTR cookie;
+    BOOL bActivated;
+
     // Get command-line in argc-argv format
     argv = CommandLineToArgv(GetCommandLine(),&argc);
 
@@ -381,6 +386,11 @@ int WINAPI _tWinMain(
     else
         lptCmdLine = _T("");
 
+    ActCtx.lpSource = lptDllName;
+    ActCtx.lpResourceName = (LPCWSTR)123;
+    hActCtx = CreateActCtx(&ActCtx);
+    bActivated = (hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(hActCtx, &cookie) : FALSE);
+
     // Everything is all setup, so load the dll now
     hDll = LoadLibrary(lptDllName);
     if (hDll) {
@@ -429,6 +439,8 @@ int WINAPI _tWinMain(
         if (!RegisterBlankClass(hInstance, hPrevInstance))
         {
             FreeLibrary(hDll);
+            if (bActivated)
+                DeactivateActCtx(0, cookie);
             return 0;
         }
         // Create a window so we can pass a window handle to
@@ -476,6 +488,9 @@ int WINAPI _tWinMain(
         free(lptMsgBuffer);
     }
 
+    if (bActivated)
+        DeactivateActCtx(0, cookie);
+
     if (argv) free(argv);
     return 0; /* rundll32 always returns 0! */
 }
-- 
2.17.1