msi: Register class ids from 32-bit packages under Wow6432Node on 64-bit.

dlls/msi/classes.c

@@ -804,12 +804,19 @@ static UINT register_appid(const MSIAPPID *appid, LPCWSTR app )
 UINT ACTION_RegisterClassInfo(MSIPACKAGE *package)
 {
     static const WCHAR szFileType_fmt[] = {'F','i','l','e','T','y','p','e','\\','%','s','\\','%','i',0};
+    const WCHAR *keypath;
     MSIRECORD *uirow;
     HKEY hkey,hkey2,hkey3;
     MSICLASS *cls;
 
     load_classes_and_such(package);
-    if (RegCreateKeyW(HKEY_CLASSES_ROOT, szCLSID, &hkey) != ERROR_SUCCESS)
+
+    if (is_64bit && package->platform == PLATFORM_INTEL)
+        keypath = szWow6432NodeCLSID;
+    else
+        keypath = szCLSID;
+
+    if (RegCreateKeyW(HKEY_CLASSES_ROOT, keypath, &hkey) != ERROR_SUCCESS)
         return ERROR_FUNCTION_FAILED;
 
     LIST_FOR_EACH_ENTRY( cls, &package->classes, MSICLASS, entry )
@@ -963,12 +970,19 @@ UINT ACTION_RegisterClassInfo(MSIPACKAGE *package)
 UINT ACTION_UnregisterClassInfo( MSIPACKAGE *package )
 {
     static const WCHAR szFileType[] = {'F','i','l','e','T','y','p','e','\\',0};
+    const WCHAR *keypath;
     MSIRECORD *uirow;
     MSICLASS *cls;
     HKEY hkey, hkey2;
 
     load_classes_and_such( package );
-    if (RegOpenKeyW( HKEY_CLASSES_ROOT, szCLSID, &hkey ) != ERROR_SUCCESS)
+
+    if (is_64bit && package->platform == PLATFORM_INTEL)
+        keypath = szWow6432NodeCLSID;
+    else
+        keypath = szCLSID;
+
+    if (RegOpenKeyW( HKEY_CLASSES_ROOT, keypath, &hkey ) != ERROR_SUCCESS)
         return ERROR_SUCCESS;
 
     LIST_FOR_EACH_ENTRY( cls, &package->classes, MSICLASS, entry )

dlls/msi/msipriv.h

@@ -37,6 +37,8 @@
 #include "wine/list.h"
 #include "wine/debug.h"
 
+static const BOOL is_64bit = sizeof(void *) > sizeof(int);
+
 #define MSI_DATASIZEMASK 0x00ff
 #define MSITYPE_VALID    0x0100
 #define MSITYPE_LOCALIZABLE 0x200
@@ -1147,6 +1149,7 @@ static const WCHAR szAdminUser[] = {'A','d','m','i','n','U','s','e','r',0};
 static const WCHAR szIntel[] = {'I','n','t','e','l',0};
 static const WCHAR szIntel64[] = {'I','n','t','e','l','6','4',0};
 static const WCHAR szX64[] = {'x','6','4',0};
+static const WCHAR szWow6432NodeCLSID[] = {'W','o','w','6','4','3','2','N','o','d','e','\\','C','L','S','I','D',0};
 
 /* memory allocation macro functions */
 static void *msi_alloc( size_t len ) __WINE_ALLOC_SIZE(1);

dlls/msi/package.c

@@ -1350,7 +1350,6 @@ static UINT msi_parse_summary( MSISUMMARYINFO *si, MSIPACKAGE *package )
 
 static UINT validate_package( MSIPACKAGE *package )
 {
-    static const BOOL is_64bit = sizeof(void *) > sizeof(int);
     BOOL is_wow64;
     UINT i;
 

dlls/msi/registry.c

@@ -40,8 +40,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(msi);
 
-static const BOOL is_64bit = sizeof(void *) > sizeof(int);
-
 /* 
  * This module will be all the helper functions for registry access by the
  * installer bits.