dlls/msi/msi_main.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2006 Mike McCormack for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "shlwapi.h"
  30 #include "oleauto.h"
  31 #include "msipriv.h"
  32
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  36
  37 static LONG dll_count;
  38
  39 /* the UI level */
  40 INSTALLUILEVEL gUILevel = INSTALLUILEVEL_BASIC;
  41 HWND           gUIhwnd = 0;
  42 INSTALLUI_HANDLERA gUIHandlerA = NULL;
  43 INSTALLUI_HANDLERW gUIHandlerW = NULL;
  44 DWORD gUIFilter = 0;
  45 LPVOID gUIContext = NULL;
  46 WCHAR gszLogFile[MAX_PATH];
  47 WCHAR msi_path[MAX_PATH];
  48 ITypeLib *msi_typelib = NULL;
  49 HINSTANCE msi_hInstance;
  50
  51 /*
  52  * Dll lifetime tracking declaration
  53  */
  54 static void LockModule(void)
  55 {
  56     InterlockedIncrement(&dll_count);
  57 }
  58
  59 static void UnlockModule(void)
  60 {
  61     InterlockedDecrement(&dll_count);
  62 }
  63
  64 /******************************************************************
  65  *      DllMain
  66  */
  67 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  68 {
  69     switch (fdwReason)
  70     {
  71     case DLL_PROCESS_ATTACH:
  72         msi_hInstance = hinstDLL;
  73         DisableThreadLibraryCalls(hinstDLL);
  74         msi_dialog_register_class();
  75         break;
  76     case DLL_PROCESS_DETACH:
  77         if (msi_typelib) ITypeLib_Release( msi_typelib );
  78         msi_dialog_unregister_class();
  79         msi_free_handle_table();
  80         break;
  81     }
  82     return TRUE;
  83 }
  84
  85 static CRITICAL_SECTION MSI_typelib_cs;
  86 static CRITICAL_SECTION_DEBUG MSI_typelib_cs_debug =
  87 {
  88     0, 0, &MSI_typelib_cs,
  89     { &MSI_typelib_cs_debug.ProcessLocksList,
  90       &MSI_typelib_cs_debug.ProcessLocksList },
  91       0, 0, { (DWORD_PTR)(__FILE__ ": MSI_typelib_cs") }
  92 };
  93 static CRITICAL_SECTION MSI_typelib_cs = { &MSI_typelib_cs_debug, -1, 0, 0, 0, 0 };
  94
  95 ITypeLib *get_msi_typelib( LPWSTR *path )
  96 {
  97     EnterCriticalSection( &MSI_typelib_cs );
  98
  99     if (!msi_typelib)
 100     {
 101         TRACE("loading typelib\n");
 102
 103         if (GetModuleFileNameW( msi_hInstance, msi_path, MAX_PATH ))
 104             LoadTypeLib( msi_path, &msi_typelib );
 105     }
 106
 107     LeaveCriticalSection( &MSI_typelib_cs );
 108
 109     if (path)
 110         *path = msi_path;
 111
 112     if (msi_typelib)
 113         ITypeLib_AddRef( msi_typelib );
 114
 115     return msi_typelib;
 116 }
 117
 118 static HRESULT create_msiserver( IUnknown *pOuter, LPVOID *ppObj )
 119 {
 120     FIXME("\n");
 121     return E_FAIL;
 122 }
 123
 124 typedef struct tagIClassFactoryImpl {
 125     const IClassFactoryVtbl *lpVtbl;
 126     HRESULT (*create_object)( IUnknown*, LPVOID* );
 127 } IClassFactoryImpl;
 128
 129 static HRESULT WINAPI MsiCF_QueryInterface(LPCLASSFACTORY iface,
 130                 REFIID riid,LPVOID *ppobj)
 131 {
 132     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 133
 134     TRACE("%p %s %p\n",This,debugstr_guid(riid),ppobj);
 135
 136     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
 137         IsEqualCLSID( riid, &IID_IClassFactory ) )
 138     {
 139         IClassFactory_AddRef( iface );
 140         *ppobj = iface;
 141         return S_OK;
 142     }
 143     return E_NOINTERFACE;
 144 }
 145
 146 static ULONG WINAPI MsiCF_AddRef(LPCLASSFACTORY iface)
 147 {
 148     LockModule();
 149     return 2;
 150 }
 151
 152 static ULONG WINAPI MsiCF_Release(LPCLASSFACTORY iface)
 153 {
 154     UnlockModule();
 155     return 1;
 156 }
 157
 158 static HRESULT WINAPI MsiCF_CreateInstance(LPCLASSFACTORY iface,
 159     LPUNKNOWN pOuter, REFIID riid, LPVOID *ppobj)
 160 {
 161     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 162     IUnknown *unk = NULL;
 163     HRESULT r;
 164
 165     TRACE("%p %p %s %p\n", This, pOuter, debugstr_guid(riid), ppobj);
 166
 167     r = This->create_object( pOuter, (LPVOID*) &unk );
 168     if (SUCCEEDED(r))
 169     {
 170         r = IUnknown_QueryInterface( unk, riid, ppobj );
 171         IUnknown_Release( unk );
 172     }
 173     return r;
 174 }
 175
 176 static HRESULT WINAPI MsiCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 177 {
 178     TRACE("%p %d\n", iface, dolock);
 179
 180     if (dolock)
 181         LockModule();
 182     else
 183         UnlockModule();
 184
 185     return S_OK;
 186 }
 187
 188 static const IClassFactoryVtbl MsiCF_Vtbl =
 189 {
 190     MsiCF_QueryInterface,
 191     MsiCF_AddRef,
 192     MsiCF_Release,
 193     MsiCF_CreateInstance,
 194     MsiCF_LockServer
 195 };
 196
 197 static IClassFactoryImpl MsiServer_CF = { &MsiCF_Vtbl, create_msiserver };
 198
 199 /******************************************************************
 200  * DllGetClassObject          [MSI.@]
 201  */
 202 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 203 {
 204     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 205
 206     if ( IsEqualCLSID (rclsid, &CLSID_IMsiServerX2) )
 207     {
 208         *ppv = (LPVOID) &MsiServer_CF;
 209         return S_OK;
 210     }
 211
 212     if( IsEqualCLSID (rclsid, &CLSID_IMsiServerMessage) ||
 213         IsEqualCLSID (rclsid, &CLSID_IMsiServer) ||
 214         IsEqualCLSID (rclsid, &CLSID_IMsiServerX1) ||
 215         IsEqualCLSID (rclsid, &CLSID_IMsiServerX3) )
 216     {
 217         FIXME("create %s object\n", debugstr_guid( rclsid ));
 218     }
 219
 220     return CLASS_E_CLASSNOTAVAILABLE;
 221 }
 222
 223 /******************************************************************
 224  * DllGetVersion              [MSI.@]
 225  */
 226 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *pdvi)
 227 {
 228     TRACE("%p\n",pdvi);
 229
 230     if (pdvi->cbSize < sizeof(DLLVERSIONINFO))
 231         return E_INVALIDARG;
 232
 233     pdvi->dwMajorVersion = MSI_MAJORVERSION;
 234     pdvi->dwMinorVersion = MSI_MINORVERSION;
 235     pdvi->dwBuildNumber = MSI_BUILDNUMBER;
 236     pdvi->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 237
 238     return S_OK;
 239 }
 240
 241 /******************************************************************
 242  * DllCanUnloadNow            [MSI.@]
 243  */
 244 HRESULT WINAPI DllCanUnloadNow(void)
 245 {
 246     return dll_count == 0 ? S_OK : S_FALSE;
 247 }