base/applications/iexplore/main.c

   1 /*
   2  * Internet Explorer wrapper
   3  *
   4  * Copyright 2006 Mike McCormack
   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 <windows.h>
  22 #include <advpub.h>
  23 #include <ole2.h>
  24 #include <rpcproxy.h>
  25
  26 #include "wine/unicode.h"
  27 #include "wine/debug.h"
  28
  29 extern DWORD WINAPI IEWinMain(const WCHAR*, int);
  30
  31 static BOOL check_native_ie(void)
  32 {
  33     DWORD handle, size;
  34     LPWSTR file_desc;
  35     UINT bytes;
  36     void* buf;
  37     BOOL ret = TRUE;
  38     LPWORD translation;
  39
  40     static const WCHAR browseui_dllW[] = {'b','r','o','w','s','e','u','i','.','d','l','l',0};
  41     static const WCHAR wineW[] = {'W','i','n','e',0};
  42     static const WCHAR translationW[] =
  43         {'\\','V','a','r','F','i','l','e','I','n','f','o',
  44          '\\','T','r','a','n','s','l','a','t','i','o','n',0};
  45     static const WCHAR file_desc_fmtW[] =
  46         {'\\','S','t','r','i','n','g','F','i','l','e','I','n','f','o',
  47          '\\','%','0','4','x','%','0','4','x',
  48          '\\','F','i','l','e','D','e','s','c','r','i','p','t','i','o','n',0};
  49     WCHAR file_desc_strW[48];
  50
  51     size = GetFileVersionInfoSizeW(browseui_dllW, &handle);
  52     if(!size)
  53         return TRUE;
  54
  55     buf = HeapAlloc(GetProcessHeap(), 0, size);
  56     GetFileVersionInfoW(browseui_dllW, 0, size,buf);
  57     if (VerQueryValueW(buf, translationW, (void **)&translation, &bytes))
  58     {
  59         wsprintfW(file_desc_strW, file_desc_fmtW, translation[0], translation[1]);
  60         ret = !VerQueryValueW(buf, file_desc_strW, (void**)&file_desc, &bytes) || !strstrW(file_desc, wineW);
  61     }
  62
  63     HeapFree(GetProcessHeap(), 0, buf);
  64     return ret;
  65 }
  66
  67 static DWORD register_iexplore(BOOL doregister)
  68 {
  69     HRESULT hres;
  70
  71     if (check_native_ie()) {
  72         WINE_MESSAGE("Native IE detected, not doing registration\n");
  73         return 0;
  74     }
  75
  76     hres = RegInstallA(NULL, doregister ? "RegisterIE" : "UnregisterIE", NULL);
  77     return FAILED(hres);
  78 }
  79
  80 int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE prev, WCHAR *cmdline, int show)
  81 {
  82     static const WCHAR regserverW[] = {'r','e','g','s','e','r','v','e','r',0};
  83     static const WCHAR unregserverW[] = {'u','n','r','e','g','s','e','r','v','e','r',0};
  84
  85     if(*cmdline == '-' || *cmdline == '/') {
  86         if(!strcmpiW(cmdline+1, regserverW))
  87             return register_iexplore(TRUE);
  88         if(!strcmpiW(cmdline+1, unregserverW))
  89             return register_iexplore(FALSE);
  90     }
  91
  92     return IEWinMain(cmdline, show);
  93 }