dlls/wmiutils/main.c

   1 /*
   2  * Copyright 2009 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include <stdarg.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "objbase.h"
  28 #include "wbemcli.h"
  29
  30 #include "wine/debug.h"
  31 #include "wmiutils_private.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(wmiutils);
  34
  35 typedef HRESULT (*fnCreateInstance)( IUnknown *pUnkOuter, LPVOID *ppObj );
  36
  37 typedef struct
  38 {
  39     const struct IClassFactoryVtbl *vtbl;
  40     fnCreateInstance pfnCreateInstance;
  41 } wmiutils_cf;
  42
  43 static inline wmiutils_cf *impl_from_IClassFactory( IClassFactory *iface )
  44 {
  45     return (wmiutils_cf *)((char *)iface - FIELD_OFFSET( wmiutils_cf, vtbl ));
  46 }
  47
  48 static HRESULT WINAPI wmiutils_cf_QueryInterface( IClassFactory *iface, REFIID riid, LPVOID *ppobj )
  49 {
  50     if (IsEqualGUID(riid, &IID_IUnknown) ||
  51         IsEqualGUID(riid, &IID_IClassFactory))
  52     {
  53         IClassFactory_AddRef( iface );
  54         *ppobj = iface;
  55         return S_OK;
  56     }
  57     FIXME("interface %s not implemented\n", debugstr_guid(riid));
  58     return E_NOINTERFACE;
  59 }
  60
  61 static ULONG WINAPI wmiutils_cf_AddRef( IClassFactory *iface )
  62 {
  63     return 2;
  64 }
  65
  66 static ULONG WINAPI wmiutils_cf_Release( IClassFactory *iface )
  67 {
  68     return 1;
  69 }
  70
  71 static HRESULT WINAPI wmiutils_cf_CreateInstance( IClassFactory *iface, LPUNKNOWN pOuter,
  72                                                   REFIID riid, LPVOID *ppobj )
  73 {
  74     wmiutils_cf *This = impl_from_IClassFactory( iface );
  75     HRESULT r;
  76     IUnknown *punk;
  77
  78     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj);
  79
  80     *ppobj = NULL;
  81
  82     if (pOuter)
  83         return CLASS_E_NOAGGREGATION;
  84
  85     r = This->pfnCreateInstance( pOuter, (LPVOID *)&punk );
  86     if (FAILED(r))
  87         return r;
  88
  89     r = IUnknown_QueryInterface( punk, riid, ppobj );
  90     if (FAILED(r))
  91         return r;
  92
  93     IUnknown_Release( punk );
  94     return r;
  95 }
  96
  97 static HRESULT WINAPI wmiutils_cf_LockServer( IClassFactory *iface, BOOL dolock )
  98 {
  99     FIXME("(%p)->(%d)\n", iface, dolock);
 100     return S_OK;
 101 }
 102
 103 static const struct IClassFactoryVtbl wmiutils_cf_vtbl =
 104 {
 105     wmiutils_cf_QueryInterface,
 106     wmiutils_cf_AddRef,
 107     wmiutils_cf_Release,
 108     wmiutils_cf_CreateInstance,
 109     wmiutils_cf_LockServer
 110 };
 111
 112 static wmiutils_cf status_code_cf = { &wmiutils_cf_vtbl, WbemStatusCodeText_create };
 113
 114 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
 115 {
 116     switch(reason)
 117     {
 118     case DLL_WINE_PREATTACH:
 119         return FALSE;  /* prefer native version */
 120     case DLL_PROCESS_ATTACH:
 121         DisableThreadLibraryCalls( hinst );
 122         break;
 123     case DLL_PROCESS_DETACH:
 124         break;
 125     }
 126     return TRUE;
 127 }
 128
 129 HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID iid, LPVOID *ppv )
 130 {
 131     IClassFactory *cf = NULL;
 132
 133     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 134
 135     if (IsEqualGUID( rclsid, &CLSID_WbemStatusCode ))
 136     {
 137        cf = (IClassFactory *)&status_code_cf.vtbl;
 138     }
 139     if (!cf) return CLASS_E_CLASSNOTAVAILABLE;
 140     return IClassFactory_QueryInterface( cf, iid, ppv );
 141 }
 142
 143 HRESULT WINAPI DllCanUnloadNow( void )
 144 {
 145     return S_FALSE;
 146 }