xref: /reactos/dll/win32/shdocvw/shdocvw_main.c (revision 8a978a17)
1 /*
2  * SHDOCVW - Internet Explorer Web Control
3  *
4  * Copyright 2001 John R. Sheets (for CodeWeavers)
5  * Copyright 2004 Mike McCormack (for CodeWeavers)
6  * Copyright 2008 Detlef Riekenberg
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21  */
22 
23 #include <stdarg.h>
24 #include <stdio.h>
25 
26 #include "wine/debug.h"
27 
28 #include "shdocvw.h"
29 
30 #include "winreg.h"
31 #ifdef __REACTOS__
32 #include "winnls.h"
33 #endif
34 #include "shlwapi.h"
35 #include "wininet.h"
36 #include "isguids.h"
37 
38 #include "initguid.h"
39 
40 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
41 
42 LONG SHDOCVW_refCount = 0;
43 
44 static HMODULE SHDOCVW_hshell32 = 0;
45 static HINSTANCE ieframe_instance;
46 
47 static HINSTANCE get_ieframe_instance(void)
48 {
49     static const WCHAR ieframe_dllW[] = {'i','e','f','r','a','m','e','.','d','l','l',0};
50 
51     if(!ieframe_instance)
52         ieframe_instance = LoadLibraryW(ieframe_dllW);
53 
54     return ieframe_instance;
55 }
56 
57 static HRESULT get_ieframe_object(REFCLSID rclsid, REFIID riid, void **ppv)
58 {
59     HINSTANCE ieframe_instance;
60 
61     static HRESULT (WINAPI *ieframe_DllGetClassObject)(REFCLSID,REFIID,void**);
62 
63     if(!ieframe_DllGetClassObject) {
64         ieframe_instance = get_ieframe_instance();
65         if(!ieframe_instance)
66             return CLASS_E_CLASSNOTAVAILABLE;
67 
68         ieframe_DllGetClassObject = (void*)GetProcAddress(ieframe_instance, "DllGetClassObject");
69         if(!ieframe_DllGetClassObject)
70             return CLASS_E_CLASSNOTAVAILABLE;
71     }
72 
73     return ieframe_DllGetClassObject(rclsid, riid, ppv);
74 }
75 
76 /*************************************************************************
77  *              DllGetClassObject (SHDOCVW.@)
78  */
79 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
80 {
81     TRACE("(%s %s %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
82 
83     if(IsEqualGUID(&CLSID_WebBrowser, rclsid)
84        || IsEqualGUID(&CLSID_WebBrowser_V1, rclsid)
85        || IsEqualGUID(&CLSID_InternetShortcut, rclsid)
86        || IsEqualGUID(&CLSID_CUrlHistory, rclsid)
87        || IsEqualGUID(&CLSID_TaskbarList, rclsid))
88         return get_ieframe_object(rclsid, riid, ppv);
89 
90     /* As a last resort, figure if the CLSID belongs to a 'Shell Instance Object' */
91     return SHDOCVW_GetShellInstanceObjectClassObject(rclsid, riid, ppv);
92 }
93 
94 /***********************************************************************
95  *          DllRegisterServer (shdocvw.@)
96  */
97 HRESULT WINAPI DllRegisterServer(void)
98 {
99     TRACE("\n");
100     return S_OK;
101 }
102 
103 /***********************************************************************
104  *          DllUnregisterServer (shdocvw.@)
105  */
106 HRESULT WINAPI DllUnregisterServer(void)
107 {
108     TRACE("\n");
109     return S_OK;
110 }
111 
112 /******************************************************************
113  *             IEWinMain            (SHDOCVW.101)
114  *
115  * Only returns on error.
116  */
117 DWORD WINAPI IEWinMain(LPSTR szCommandLine, int nShowWindow)
118 {
119     DWORD (WINAPI *pIEWinMain)(const WCHAR*,int);
120     WCHAR *cmdline;
121     DWORD ret, len;
122 
123     TRACE("%s %d\n", debugstr_a(szCommandLine), nShowWindow);
124 
125     pIEWinMain = (void*)GetProcAddress(get_ieframe_instance(), MAKEINTRESOURCEA(101));
126     if(!pIEWinMain)
127         ExitProcess(1);
128 
129     len = MultiByteToWideChar(CP_ACP, 0, szCommandLine, -1, NULL, 0);
130     cmdline = heap_alloc(len*sizeof(WCHAR));
131     if(!cmdline)
132         ExitProcess(1);
133     MultiByteToWideChar(CP_ACP, 0, szCommandLine, -1, cmdline, len);
134 
135     ret = pIEWinMain(cmdline, nShowWindow);
136 
137     heap_free(cmdline);
138     return ret;
139 }
140 
141 /*************************************************************************
142  * SHDOCVW DllMain
143  */
144 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
145 {
146     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
147     switch (fdwReason)
148     {
149     case DLL_PROCESS_ATTACH:
150         DisableThreadLibraryCalls(hinst);
151         break;
152     case DLL_PROCESS_DETACH:
153         if (fImpLoad) break;
154         if (SHDOCVW_hshell32) FreeLibrary(SHDOCVW_hshell32);
155         if (ieframe_instance) FreeLibrary(ieframe_instance);
156         break;
157     }
158     return TRUE;
159 }
160 
161 /*************************************************************************
162  *              DllCanUnloadNow (SHDOCVW.@)
163  */
164 HRESULT WINAPI DllCanUnloadNow(void)
165 {
166     return SHDOCVW_refCount ? S_FALSE : S_OK;
167 }
168 
169 /***********************************************************************
170  *              DllGetVersion (SHDOCVW.@)
171  */
172 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
173 {
174     if (info->cbSize != sizeof(DLLVERSIONINFO)) FIXME("support DLLVERSIONINFO2\n");
175 
176     /* this is what IE6 on Windows 98 reports */
177     info->dwMajorVersion = 6;
178     info->dwMinorVersion = 0;
179     info->dwBuildNumber = 2600;
180     info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
181 
182     return NOERROR;
183 }
184 
185 /*************************************************************************
186  *              DllInstall (SHDOCVW.@)
187  */
188 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
189 {
190    FIXME("(%s, %s): stub!\n", bInstall ? "TRUE":"FALSE", debugstr_w(cmdline));
191 
192    return S_OK;
193 }
194 
195 /*************************************************************************
196  * SHDOCVW_LoadShell32
197  *
198  * makes sure the handle to shell32 is valid
199  */
200 static BOOL SHDOCVW_LoadShell32(void)
201 {
202      if (SHDOCVW_hshell32)
203        return TRUE;
204      return ((SHDOCVW_hshell32 = LoadLibraryA("shell32.dll")) != NULL);
205 }
206 
207 /***********************************************************************
208  *		@ (SHDOCVW.110)
209  *
210  * Called by Win98 explorer.exe main binary, definitely has 0
211  * parameters.
212  */
213 DWORD WINAPI WinList_Init(void)
214 {
215     FIXME("(), stub!\n");
216     return 0x0deadfeed;
217 }
218 
219 /***********************************************************************
220  *		@ (SHDOCVW.118)
221  *
222  * Called by Win98 explorer.exe main binary, definitely has only one
223  * parameter.
224  */
225 static BOOL (WINAPI *pShellDDEInit)(BOOL start) = NULL;
226 
227 BOOL WINAPI ShellDDEInit(BOOL start)
228 {
229     TRACE("(%d)\n", start);
230 
231     if (!pShellDDEInit)
232     {
233       if (!SHDOCVW_LoadShell32())
234         return FALSE;
235       pShellDDEInit = (void *)GetProcAddress(SHDOCVW_hshell32, (LPCSTR)188);
236     }
237 
238     if (pShellDDEInit)
239       return pShellDDEInit(start);
240     else
241       return FALSE;
242 }
243 
244 /***********************************************************************
245  *		@ (SHDOCVW.125)
246  *
247  * Called by Win98 explorer.exe main binary, definitely has 0
248  * parameters.
249  */
250 DWORD WINAPI RunInstallUninstallStubs(void)
251 {
252     FIXME("(), stub!\n");
253     return 0x0deadbee;
254 }
255 
256 /***********************************************************************
257  *              @ (SHDOCVW.130)
258  *
259  * Called by Emerge Desktop (alternative Windows Shell).
260  */
261 DWORD WINAPI RunInstallUninstallStubs2(int arg)
262 {
263     FIXME("(%d), stub!\n", arg);
264     return 0x0deadbee;
265 }
266 
267 /***********************************************************************
268  *              SetQueryNetSessionCount (SHDOCVW.@)
269  */
270 DWORD WINAPI SetQueryNetSessionCount(DWORD arg)
271 {
272     FIXME("(%u), stub!\n", arg);
273     return 0;
274 }
275 
276 /**********************************************************************
277  * Some forwards (by ordinal) to SHLWAPI
278  */
279 
280 static void* fetch_shlwapi_ordinal(UINT_PTR ord)
281 {
282     static const WCHAR shlwapiW[] = {'s','h','l','w','a','p','i','.','d','l','l','\0'};
283     static HANDLE h;
284 
285     if (!h && !(h = GetModuleHandleW(shlwapiW))) return NULL;
286     return (void*)GetProcAddress(h, (const char*)ord);
287 }
288 
289 /******************************************************************
290  *		WhichPlatformFORWARD            (SHDOCVW.@)
291  */
292 DWORD WINAPI WhichPlatformFORWARD(void)
293 {
294     static DWORD (WINAPI *p)(void);
295 
296     if (p || (p = fetch_shlwapi_ordinal(276))) return p();
297     return 1; /* not integrated, see shlwapi.WhichPlatform */
298 }
299 
300 /******************************************************************
301  *		StopWatchModeFORWARD            (SHDOCVW.@)
302  */
303 void WINAPI StopWatchModeFORWARD(void)
304 {
305     static void (WINAPI *p)(void);
306 
307     if (p || (p = fetch_shlwapi_ordinal(241))) p();
308 }
309 
310 /******************************************************************
311  *		StopWatchFlushFORWARD            (SHDOCVW.@)
312  */
313 void WINAPI StopWatchFlushFORWARD(void)
314 {
315     static void (WINAPI *p)(void);
316 
317     if (p || (p = fetch_shlwapi_ordinal(242))) p();
318 }
319 
320 /******************************************************************
321  *		StopWatchAFORWARD            (SHDOCVW.@)
322  */
323 DWORD WINAPI StopWatchAFORWARD(DWORD dwClass, LPCSTR lpszStr, DWORD dwUnknown,
324                                DWORD dwMode, DWORD dwTimeStamp)
325 {
326     static DWORD (WINAPI *p)(DWORD, LPCSTR, DWORD, DWORD, DWORD);
327 
328     if (p || (p = fetch_shlwapi_ordinal(243)))
329         return p(dwClass, lpszStr, dwUnknown, dwMode, dwTimeStamp);
330     return ERROR_CALL_NOT_IMPLEMENTED;
331 }
332 
333 /******************************************************************
334  *		StopWatchWFORWARD            (SHDOCVW.@)
335  */
336 DWORD WINAPI StopWatchWFORWARD(DWORD dwClass, LPCWSTR lpszStr, DWORD dwUnknown,
337                                DWORD dwMode, DWORD dwTimeStamp)
338 {
339     static DWORD (WINAPI *p)(DWORD, LPCWSTR, DWORD, DWORD, DWORD);
340 
341     if (p || (p = fetch_shlwapi_ordinal(244)))
342         return p(dwClass, lpszStr, dwUnknown, dwMode, dwTimeStamp);
343     return ERROR_CALL_NOT_IMPLEMENTED;
344 }
345 
346 /******************************************************************
347  *  URLSubRegQueryA (SHDOCVW.151)
348  */
349 HRESULT WINAPI URLSubRegQueryA(LPCSTR regpath, LPCSTR name, DWORD type,
350                                LPSTR out, DWORD outlen, DWORD unknown)
351 {
352     CHAR buffer[INTERNET_MAX_URL_LENGTH];
353     DWORD len;
354     LONG res;
355 
356     TRACE("(%s, %s, %d, %p, %d, %d)\n", debugstr_a(regpath), debugstr_a(name),
357             type, out, outlen, unknown);
358 
359     if (!out) return S_OK;
360 
361     len = sizeof(buffer);
362     res = SHRegGetUSValueA(regpath, name, NULL, buffer,  &len, FALSE, NULL, 0);
363     if (!res) {
364         lstrcpynA(out, buffer, outlen);
365         return S_OK;
366     }
367 
368     return E_FAIL;
369 }
370 
371 /******************************************************************
372  *  ParseURLFromOutsideSourceW (SHDOCVW.170)
373  */
374 DWORD WINAPI ParseURLFromOutsideSourceW(LPCWSTR url, LPWSTR out, LPDWORD plen, LPDWORD unknown)
375 {
376     WCHAR buffer_in[INTERNET_MAX_URL_LENGTH];
377     WCHAR buffer_out[INTERNET_MAX_URL_LENGTH];
378     LPCWSTR ptr = url;
379     HRESULT hr;
380     DWORD needed;
381     DWORD len;
382     DWORD res;
383 
384     TRACE("(%s, %p, %p, %p) len: %d, unknown: 0x%x\n", debugstr_w(url), out, plen, unknown,
385             plen ? *plen : 0, unknown ? *unknown : 0);
386 
387     if (!PathIsURLW(ptr)) {
388         len = ARRAY_SIZE(buffer_in);
389         buffer_in[0] = 0;
390         hr = UrlApplySchemeW(ptr, buffer_in, &len, URL_APPLY_GUESSSCHEME | URL_APPLY_DEFAULT);
391         TRACE("got 0x%x with %s\n", hr, debugstr_w(buffer_in));
392         if (hr == S_OK) {
393             /* we parsed the url to buffer_in */
394             ptr = buffer_in;
395         }
396         else
397         {
398             FIXME("call search hook for %s\n", debugstr_w(ptr));
399         }
400     }
401 
402     len = ARRAY_SIZE(buffer_out);
403     buffer_out[0] = '\0';
404     hr = UrlCanonicalizeW(ptr, buffer_out, &len, URL_ESCAPE_SPACES_ONLY);
405     needed = lstrlenW(buffer_out)+1;
406     TRACE("got 0x%x with %s (need %d)\n", hr, debugstr_w(buffer_out), needed);
407 
408     res = 0;
409     if (*plen >= needed) {
410         if (out != NULL) {
411             lstrcpyW(out, buffer_out);
412             /* On success, 1 is returned for unicode version */
413             res = 1;
414         }
415         needed--;
416     }
417 
418     *plen = needed;
419 
420     TRACE("=> %d\n", res);
421     return res;
422 }
423 
424 /******************************************************************
425  *  ParseURLFromOutsideSourceA (SHDOCVW.169)
426  *
427  * See ParseURLFromOutsideSourceW
428  */
429 DWORD WINAPI ParseURLFromOutsideSourceA(LPCSTR url, LPSTR out, LPDWORD plen, LPDWORD unknown)
430 {
431     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
432     LPWSTR urlW = NULL;
433     DWORD needed;
434     DWORD res;
435     DWORD len;
436 
437     TRACE("(%s, %p, %p, %p) len: %d, unknown: 0x%x\n", debugstr_a(url), out, plen, unknown,
438             plen ? *plen : 0, unknown ? *unknown : 0);
439 
440     if (url) {
441         len = MultiByteToWideChar(CP_ACP, 0, url, -1, NULL, 0);
442         urlW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
443         MultiByteToWideChar(CP_ACP, 0, url, -1, urlW, len);
444     }
445 
446     len = ARRAY_SIZE(buffer);
447     ParseURLFromOutsideSourceW(urlW, buffer, &len, unknown);
448     HeapFree(GetProcessHeap(), 0, urlW);
449 
450     needed = WideCharToMultiByte(CP_ACP, 0, buffer, -1, NULL, 0, NULL, NULL);
451 
452     res = 0;
453     if (*plen >= needed) {
454         if (out != NULL) {
455             WideCharToMultiByte(CP_ACP, 0, buffer, -1, out, *plen, NULL, NULL);
456             /* On success, string size including terminating 0 is returned for ansi version */
457             res = needed;
458         }
459         needed--;
460     }
461 
462     *plen = needed;
463 
464     TRACE("=> %d\n", res);
465     return res;
466 }
467 
468 /******************************************************************
469  *  IEParseDisplayNameWithBCW (SHDOCVW.218)
470  */
471 HRESULT WINAPI IEParseDisplayNameWithBCW(DWORD codepage, LPCWSTR lpszDisplayName, LPBC pbc, LPITEMIDLIST *ppidl)
472 {
473     /* Guessing at parameter 3 based on IShellFolder's  ParseDisplayName */
474     FIXME("stub: 0x%x %s %p %p\n",codepage,debugstr_w(lpszDisplayName),pbc,ppidl);
475     return E_FAIL;
476 }
477 
478 /******************************************************************
479  *  SHRestricted2W (SHDOCVW.159)
480  */
481 DWORD WINAPI SHRestricted2W(DWORD res, LPCWSTR url, DWORD reserved)
482 {
483     FIXME("(%d %s %d) stub\n", res, debugstr_w(url), reserved);
484     return 0;
485 }
486 
487 /******************************************************************
488  * SHRestricted2A (SHDOCVW.158)
489  *
490  * See SHRestricted2W
491  */
492 DWORD WINAPI SHRestricted2A(DWORD restriction, LPCSTR url, DWORD reserved)
493 {
494     LPWSTR urlW = NULL;
495     DWORD res;
496 
497     TRACE("(%d, %s, %d)\n", restriction, debugstr_a(url), reserved);
498     if (url) {
499         DWORD len = MultiByteToWideChar(CP_ACP, 0, url, -1, NULL, 0);
500         urlW = heap_alloc(len * sizeof(WCHAR));
501         MultiByteToWideChar(CP_ACP, 0, url, -1, urlW, len);
502     }
503     res = SHRestricted2W(restriction, urlW, reserved);
504     heap_free(urlW);
505     return res;
506 }
507 
508 /******************************************************************
509  * ImportPrivacySettings (SHDOCVW.@)
510  *
511  * Import global and/or per site privacy preferences from an xml file
512  *
513  * PARAMS
514  *  filename      [I] XML file to use
515  *  pGlobalPrefs  [IO] PTR to a usage flag for the global privacy preferences
516  *  pPerSitePrefs [IO] PTR to a usage flag for the per site privacy preferences
517  *
518  * RETURNS
519  *  Success: TRUE  (the privacy preferences where updated)
520  *  Failure: FALSE (the privacy preferences are unchanged)
521  *
522  * NOTES
523  *  Set the flag to TRUE, when the related privacy preferences in the xml file
524  *  should be used (parsed and overwrite the current settings).
525  *  On return, the flag is TRUE, when the related privacy settings where used
526  *
527  */
528 BOOL WINAPI ImportPrivacySettings(LPCWSTR filename, BOOL *pGlobalPrefs, BOOL * pPerSitePrefs)
529 {
530     FIXME("(%s, %p->%d, %p->%d): stub\n", debugstr_w(filename),
531         pGlobalPrefs, pGlobalPrefs ? *pGlobalPrefs : 0,
532         pPerSitePrefs, pPerSitePrefs ? *pPerSitePrefs : 0);
533 
534     if (pGlobalPrefs) *pGlobalPrefs = FALSE;
535     if (pPerSitePrefs) *pPerSitePrefs = FALSE;
536 
537     return TRUE;
538 }
539 
540 /******************************************************************
541  * ResetProfileSharing (SHDOCVW.164)
542  */
543 HRESULT WINAPI ResetProfileSharing(HWND hwnd)
544 {
545     FIXME("(%p) stub\n", hwnd);
546     return E_NOTIMPL;
547 }
548 
549 /******************************************************************
550  * InstallReg_RunDLL (SHDOCVW.@)
551  */
552 void WINAPI InstallReg_RunDLL(HWND hwnd, HINSTANCE handle, LPCSTR cmdline, INT show)
553 {
554     FIXME("(%p %p %s %x)\n", hwnd, handle, debugstr_a(cmdline), show);
555 }
556 
557 /******************************************************************
558  * DoFileDownload (SHDOCVW.@)
559  */
560 BOOL WINAPI DoFileDownload(LPWSTR filename)
561 {
562     FIXME("(%s) stub\n", debugstr_w(filename));
563     return FALSE;
564 }
565 
566 /******************************************************************
567  * DoOrganizeFavDlgW (SHDOCVW.@)
568  */
569 BOOL WINAPI DoOrganizeFavDlgW(HWND hwnd, LPCWSTR initDir)
570 {
571     FIXME("(%p %s) stub\n", hwnd, debugstr_w(initDir));
572     return FALSE;
573 }
574 
575 /******************************************************************
576  * DoOrganizeFavDlg (SHDOCVW.@)
577  */
578 BOOL WINAPI DoOrganizeFavDlg(HWND hwnd, LPCSTR initDir)
579 {
580     LPWSTR initDirW = NULL;
581     BOOL res;
582 
583     TRACE("(%p %s)\n", hwnd, debugstr_a(initDir));
584 
585     if (initDir) {
586         DWORD len = MultiByteToWideChar(CP_ACP, 0, initDir, -1, NULL, 0);
587         initDirW = heap_alloc(len * sizeof(WCHAR));
588         MultiByteToWideChar(CP_ACP, 0, initDir, -1, initDirW, len);
589     }
590     res = DoOrganizeFavDlgW(hwnd, initDirW);
591     heap_free(initDirW);
592     return res;
593 }
594