xref: /reactos/base/applications/iexplore/main.c (revision cdf90707)
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 }
94