dlls/winecrt0/register.c

   1 /*
   2  * Support functions for Wine dll registrations
   3  *
   4  * Copyright (c) 2010 Alexandre Julliard
   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 "config.h"
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25 #define ATL_INITGUID
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "ole2.h"
  30 #include "rpcproxy.h"
  31 #include "atliface.h"
  32
  33 static const WCHAR ole32W[] = {'o','l','e','3','2','.','d','l','l',0};
  34 static const WCHAR regtypeW[] = {'W','I','N','E','_','R','E','G','I','S','T','R','Y',0};
  35 static const WCHAR moduleW[] = {'M','O','D','U','L','E',0};
  36
  37 struct reg_info
  38 {
  39     IRegistrar  *registrar;
  40     BOOL         do_register;
  41     BOOL         uninit;
  42     HRESULT      result;
  43 };
  44
  45 static HMODULE ole32;
  46 static HRESULT (WINAPI *pCoInitialize)(LPVOID);
  47 static void (WINAPI *pCoUninitialize)(void);
  48 static HRESULT (WINAPI *pCoCreateInstance)(REFCLSID,LPUNKNOWN,DWORD,REFIID,LPVOID*);
  49
  50 static IRegistrar *create_registrar( HMODULE inst, struct reg_info *info )
  51 {
  52     if (!pCoCreateInstance)
  53     {
  54         if (!(ole32 = LoadLibraryW( ole32W )) ||
  55             !(pCoInitialize = (void *)GetProcAddress( ole32, "CoInitialize" )) ||
  56             !(pCoUninitialize = (void *)GetProcAddress( ole32, "CoUninitialize" )) ||
  57             !(pCoCreateInstance = (void *)GetProcAddress( ole32, "CoCreateInstance" )))
  58         {
  59             info->result = E_NOINTERFACE;
  60             return NULL;
  61         }
  62     }
  63     info->uninit = SUCCEEDED( pCoInitialize( NULL ));
  64
  65     info->result = pCoCreateInstance( &CLSID_Registrar, NULL, CLSCTX_INPROC_SERVER,
  66                                       &IID_IRegistrar, (void **)&info->registrar );
  67     if (SUCCEEDED( info->result ))
  68     {
  69         WCHAR str[MAX_PATH];
  70
  71         GetModuleFileNameW( inst, str, MAX_PATH );
  72         IRegistrar_AddReplacement( info->registrar, moduleW, str );
  73     }
  74     return info->registrar;
  75 }
  76
  77 static BOOL CALLBACK register_resource( HMODULE module, LPCWSTR type, LPWSTR name, LONG_PTR arg )
  78 {
  79     struct reg_info *info = (struct reg_info *)arg;
  80     WCHAR *buffer;
  81     HRSRC rsrc = FindResourceW( module, name, type );
  82     char *str = LoadResource( module, rsrc );
  83     DWORD lenW, lenA = SizeofResource( module, rsrc );
  84
  85     if (!str) return FALSE;
  86     if (!info->registrar && !create_registrar( module, info )) return FALSE;
  87     lenW = MultiByteToWideChar( CP_UTF8, 0, str, lenA, NULL, 0 ) + 1;
  88     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, lenW * sizeof(WCHAR) )))
  89     {
  90         info->result = E_OUTOFMEMORY;
  91         return FALSE;
  92     }
  93     MultiByteToWideChar( CP_UTF8, 0, str, lenA, buffer, lenW );
  94     buffer[lenW - 1] = 0;
  95
  96     if (info->do_register)
  97         info->result = IRegistrar_StringRegister( info->registrar, buffer );
  98     else
  99         info->result = IRegistrar_StringUnregister( info->registrar, buffer );
 100
 101     HeapFree( GetProcessHeap(), 0, buffer );
 102     return SUCCEEDED(info->result);
 103 }
 104
 105 HRESULT __wine_register_resources( HMODULE module )
 106 {
 107     struct reg_info info;
 108
 109     info.registrar = NULL;
 110     info.do_register = TRUE;
 111     info.uninit = FALSE;
 112     info.result = S_OK;
 113     EnumResourceNamesW( module, regtypeW, register_resource, (LONG_PTR)&info );
 114     if (info.registrar) IRegistrar_Release( info.registrar );
 115     if (info.uninit) pCoUninitialize();
 116     return info.result;
 117 }
 118
 119 HRESULT __wine_unregister_resources( HMODULE module )
 120 {
 121     struct reg_info info;
 122
 123     info.registrar = NULL;
 124     info.do_register = FALSE;
 125     info.uninit = FALSE;
 126     info.result = S_OK;
 127     EnumResourceNamesW( module, regtypeW, register_resource, (LONG_PTR)&info );
 128     if (info.registrar) IRegistrar_Release( info.registrar );
 129     if (info.uninit) pCoUninitialize();
 130     return info.result;
 131 }