ReactOS  0.4.14-dev-114-gc8cbd56
internet.c
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1 /*
2  * Copyright 2005 Jacek Caban
3  * Copyright 2011 Thomas Mullaly for CodeWeavers
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19 
20 #include "urlmon_main.h"
21 #include "winreg.h"
22 #include "shlwapi.h"
23 
24 #include "wine/debug.h"
25 
27 
28 static const WCHAR feature_control_keyW[] =
29  {'S','o','f','t','w','a','r','e','\\',
30  'M','i','c','r','o','s','o','f','t','\\',
31  'I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r','\\',
32  'M','a','i','n','\\',
33  'F','e','a','t','u','r','e','C','o','n','t','r','o','l',0};
34 
36  {'F','E','A','T','U','R','E','_','O','B','J','E','C','T','_','C','A','C','H','I','N','G',0};
38  {'F','E','A','T','U','R','E','_','Z','O','N','E','_','E','L','E','V','A','T','I','O','N',0};
39 static const WCHAR feature_mime_handlingW[] =
40  {'F','E','A','T','U','R','E','_','M','I','M','E','_','H','A','N','D','L','I','N','G',0};
41 static const WCHAR feature_mime_sniffingW[] =
42  {'F','E','A','T','U','R','E','_','M','I','M','E','_','S','N','I','F','F','I','N','G',0};
44  {'F','E','A','T','U','R','E','_','W','I','N','D','O','W','_','R','E','S','T','R','I','C','T','I','O','N','S',0};
46  {'F','E','A','T','U','R','E','_','W','E','B','O','C','_','P','O','P','U','P','M','A','N','A','G','E','M','E','N','T',0};
47 static const WCHAR feature_behaviorsW[] =
48  {'F','E','A','T','U','R','E','_','B','E','H','A','V','I','O','R','S',0};
50  {'F','E','A','T','U','R','E','_','D','I','S','A','B','L','E','_','M','K','_','P','R','O','T','O','C','O','L',0};
52  {'F','E','A','T','U','R','E','_','L','O','C','A','L','M','A','C','H','I','N','E','_','L','O','C','K','D','O','W','N',0};
53 static const WCHAR feature_securitybandW[] =
54  {'F','E','A','T','U','R','E','_','S','E','C','U','R','I','T','Y','B','A','N','D',0};
56  {'F','E','A','T','U','R','E','_','R','E','S','T','R','I','C','T','_','A','C','T','I','V','E','X','I','N','S','T','A','L','L',0};
58  {'F','E','A','T','U','R','E','_','V','A','L','I','D','A','T','E','_','N','A','V','I','G','A','T','E','_','U','R','L',0};
60  {'F','E','A','T','U','R','E','_','R','E','S','T','R','I','C','T','_','F','I','L','E','D','O','W','N','L','O','A','D',0};
62  {'F','E','A','T','U','R','E','_','A','D','D','O','N','_','M','A','N','A','G','E','M','E','N','T',0};
64  {'F','E','A','T','U','R','E','_','P','R','O','T','O','C','O','L','_','L','O','C','K','D','O','W','N',0};
66  {'F','E','A','T','U','R','E','_','H','T','T','P','_','U','S','E','R','N','A','M','E','_',
67  'P','A','S','S','W','O','R','D','_','D','I','S','A','B','L','E',0};
69  {'F','E','A','T','U','R','E','_','S','A','F','E','_','B','I','N','D','T','O','O','B','J','E','C','T',0};
71  {'F','E','A','T','U','R','E','_','U','N','C','_','S','A','V','E','D','F','I','L','E','C','H','E','C','K',0};
73  {'F','E','A','T','U','R','E','_','G','E','T','_','U','R','L','_','D','O','M','_',
74  'F','I','L','E','P','A','T','H','_','U','N','E','N','C','O','D','E','D',0};
76  {'F','E','A','T','U','R','E','_','T','A','B','B','E','D','_','B','R','O','W','S','I','N','G',0};
77 static const WCHAR feature_ssluxW[] =
78  {'F','E','A','T','U','R','E','_','S','S','L','U','X',0};
80  {'F','E','A','T','U','R','E','_','D','I','S','A','B','L','E','_','N','A','V','I','G','A','T','I','O','N','_',
81  'S','O','U','N','D','S',0};
83  {'F','E','A','T','U','R','E','_','D','I','S','A','B','L','E','_','L','E','G','A','C','Y','_',
84  'C','O','M','P','R','E','S','S','I','O','N',0};
86  {'F','E','A','T','U','R','E','_','F','O','R','C','E','_','A','D','D','R','_','A','N','D','_',
87  'S','T','A','T','U','S',0};
88 static const WCHAR feature_xmlhttpW[] =
89  {'F','E','A','T','U','R','E','_','X','M','L','H','T','T','P',0};
91  {'F','E','A','T','U','R','E','_','D','I','S','A','B','L','E','_','T','E','L','N','E','T','_',
92  'P','R','O','T','O','C','O','L',0};
93 static const WCHAR feature_feedsW[] =
94  {'F','E','A','T','U','R','E','_','F','E','E','D','S',0};
96  {'F','E','A','T','U','R','E','_','B','L','O','C','K','_','I','N','P','U','T','_','P','R','O','M','P','T','S',0};
97 
100 {
101  0, 0, &process_features_cs,
103  0, 0, { (DWORD_PTR)(__FILE__ ": process features") }
104 };
105 static CRITICAL_SECTION process_features_cs = { &process_features_cs_dbg, -1, 0, 0, 0, 0 };
106 
107 typedef struct feature_control {
112 
113 /* IMPORTANT!!!
114  *
115  * This array is indexed using INTERNETFEATURELIST values, so everything must
116  * appear in the same order as it does in INTERNETFEATURELIST.
117  */
118 static feature_control process_feature_controls[FEATURE_ENTRY_COUNT] = {
147 };
148 
150 {
151  WCHAR *ptr;
152  DWORD len = 0;
153 
154  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
155 
156  if(flags)
157  ERR("wrong flags\n");
158 
159  ptr = strchrW(url, ':');
160  if(ptr)
161  len = ptr-url;
162 
163  if(rsize)
164  *rsize = len;
165 
166  if(len >= size)
167  return E_POINTER;
168 
169  if(len)
170  memcpy(result, url, len*sizeof(WCHAR));
171  result[len] = 0;
172 
173  return S_OK;
174 }
175 
177  DWORD size, DWORD *rsize)
178 {
180  DWORD prsize = size;
181  HRESULT hres;
182 
183  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
184 
186 
187  if(protocol_info) {
188  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_CANONICALIZE,
189  flags, result, size, rsize, 0);
190  IInternetProtocolInfo_Release(protocol_info);
191  if(SUCCEEDED(hres))
192  return hres;
193  }
194 
195  hres = UrlCanonicalizeW(url, result, &prsize, flags);
196 
197  if(rsize)
198  *rsize = prsize;
199  return hres;
200 }
201 
203 {
205  HRESULT hres;
206 
207  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
208 
210 
211  if(protocol_info) {
212  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_SECURITY_URL,
213  flags, result, size, rsize, 0);
214  IInternetProtocolInfo_Release(protocol_info);
215  return hres;
216  }
217 
218  return E_FAIL;
219 }
220 
222 {
224  DWORD prsize;
225  HRESULT hres;
226 
227  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
228 
230 
231  if(protocol_info) {
232  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_ENCODE,
233  flags, result, size, rsize, 0);
234  IInternetProtocolInfo_Release(protocol_info);
235  if(SUCCEEDED(hres))
236  return hres;
237  }
238 
239  prsize = size;
240  hres = UrlUnescapeW((LPWSTR)url, result, &prsize, flags);
241 
242  if(rsize)
243  *rsize = prsize;
244 
245  return hres;
246 }
247 
249 {
251  DWORD prsize;
252  HRESULT hres;
253 
254  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
255 
257 
258  if(protocol_info) {
259  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_PATH_FROM_URL,
260  flags, result, size, rsize, 0);
261  IInternetProtocolInfo_Release(protocol_info);
262  if(SUCCEEDED(hres))
263  return hres;
264  }
265 
266  prsize = size;
267  hres = PathCreateFromUrlW(url, result, &prsize, 0);
268 
269  if(rsize)
270  *rsize = prsize;
271  return hres;
272 }
273 
275  DWORD size, DWORD *rsize)
276 {
278  HRESULT hres;
279 
280  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
281 
283 
284  if(protocol_info) {
285  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_SECURITY_DOMAIN,
286  flags, result, size, rsize, 0);
287  IInternetProtocolInfo_Release(protocol_info);
288  if(SUCCEEDED(hres))
289  return hres;
290  }
291 
292  return E_FAIL;
293 }
294 
296  DWORD size, DWORD *rsize)
297 {
299  HRESULT hres;
300 
301  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
302 
304 
305  if(protocol_info) {
306  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_DOMAIN,
307  flags, result, size, rsize, 0);
308  IInternetProtocolInfo_Release(protocol_info);
309  if(SUCCEEDED(hres))
310  return hres;
311  }
312 
314  if(rsize)
315  *rsize = size;
316 
317  if(hres == E_POINTER)
318  return S_FALSE;
319 
320  if(FAILED(hres))
321  return E_FAIL;
322  return S_OK;
323 }
324 
326  DWORD size, DWORD *rsize)
327 {
330  HRESULT hres;
331 
332  TRACE("(%s %08x %p %d %p)\n", debugstr_w(url), flags, result, size, rsize);
333 
335 
336  if(protocol_info) {
337  hres = IInternetProtocolInfo_ParseUrl(protocol_info, url, PARSE_ROOTDOCUMENT,
338  flags, result, size, rsize, 0);
339  IInternetProtocolInfo_Release(protocol_info);
340  if(SUCCEEDED(hres))
341  return hres;
342  }
343 
344  url_info.cbSize = sizeof(url_info);
345  if(FAILED(ParseURLW(url, &url_info)))
346  return E_FAIL;
347 
348  switch(url_info.nScheme) {
349  case URL_SCHEME_FTP:
350  case URL_SCHEME_HTTP:
351  case URL_SCHEME_HTTPS:
352  if(url_info.cchSuffix<3 || *(url_info.pszSuffix)!='/'
353  || *(url_info.pszSuffix+1)!='/')
354  return E_FAIL;
355 
356  if(size < url_info.cchProtocol+3) {
357  size = 0;
359 
360  if(rsize)
361  *rsize = size+url_info.cchProtocol+3;
362 
363  if(hres == E_POINTER)
364  return S_FALSE;
365 
366  return hres;
367  }
368 
369  size -= url_info.cchProtocol+3;
370  hres = UrlGetPartW(url, result+url_info.cchProtocol+3,
372 
373  if(hres == E_POINTER)
374  return S_FALSE;
375 
376  if(FAILED(hres))
377  return E_FAIL;
378 
379  if(rsize)
380  *rsize = size+url_info.cchProtocol+3;
381 
382  memcpy(result, url, (url_info.cchProtocol+3)*sizeof(WCHAR));
383  return hres;
384  default:
385  return E_FAIL;
386  }
387 }
388 
389 /**************************************************************************
390  * CoInternetParseUrl (URLMON.@)
391  */
393  LPWSTR pszResult, DWORD cchResult, DWORD *pcchResult, DWORD dwReserved)
394 {
395  if(dwReserved)
396  WARN("dwReserved = %d\n", dwReserved);
397 
398  switch(ParseAction) {
399  case PARSE_CANONICALIZE:
400  return parse_canonicalize_url(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
401  case PARSE_SECURITY_URL:
402  return parse_security_url(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
403  case PARSE_ENCODE:
404  return parse_encode(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
405  case PARSE_PATH_FROM_URL:
406  return parse_path_from_url(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
407  case PARSE_SCHEMA:
408  return parse_schema(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
409  case PARSE_SECURITY_DOMAIN:
410  return parse_security_domain(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
411  case PARSE_DOMAIN:
412  return parse_domain(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
413  case PARSE_ROOTDOCUMENT:
414  return parse_rootdocument(pwzUrl, dwFlags, pszResult, cchResult, pcchResult);
415  default:
416  FIXME("not supported action %d\n", ParseAction);
417  }
418 
419  return E_NOTIMPL;
420 }
421 
422 /**************************************************************************
423  * CoInternetCombineUrl (URLMON.@)
424  */
425 HRESULT WINAPI CoInternetCombineUrl(LPCWSTR pwzBaseUrl, LPCWSTR pwzRelativeUrl,
426  DWORD dwCombineFlags, LPWSTR pwzResult, DWORD cchResult, DWORD *pcchResult,
428 {
430  DWORD size = cchResult;
431  HRESULT hres;
432 
433  TRACE("(%s,%s,0x%08x,%p,%d,%p,%d)\n", debugstr_w(pwzBaseUrl),
434  debugstr_w(pwzRelativeUrl), dwCombineFlags, pwzResult, cchResult, pcchResult,
435  dwReserved);
436 
437  protocol_info = get_protocol_info(pwzBaseUrl);
438 
439  if(protocol_info) {
440  hres = IInternetProtocolInfo_CombineUrl(protocol_info, pwzBaseUrl, pwzRelativeUrl,
441  dwCombineFlags, pwzResult, cchResult, pcchResult, dwReserved);
442  IInternetProtocolInfo_Release(protocol_info);
443  if(SUCCEEDED(hres))
444  return hres;
445  }
446 
447 
448  hres = UrlCombineW(pwzBaseUrl, pwzRelativeUrl, pwzResult, &size, dwCombineFlags);
449 
450  if(pcchResult)
451  *pcchResult = size;
452 
453  return hres;
454 }
455 
456 /**************************************************************************
457  * CoInternetCompareUrl (URLMON.@)
458  */
459 HRESULT WINAPI CoInternetCompareUrl(LPCWSTR pwzUrl1, LPCWSTR pwzUrl2, DWORD dwCompareFlags)
460 {
462  HRESULT hres;
463 
464  TRACE("(%s,%s,%08x)\n", debugstr_w(pwzUrl1), debugstr_w(pwzUrl2), dwCompareFlags);
465 
466  protocol_info = get_protocol_info(pwzUrl1);
467 
468  if(protocol_info) {
469  hres = IInternetProtocolInfo_CompareUrl(protocol_info, pwzUrl1, pwzUrl2, dwCompareFlags);
470  IInternetProtocolInfo_Release(protocol_info);
471  if(SUCCEEDED(hres))
472  return hres;
473  }
474 
475  return UrlCompareW(pwzUrl1, pwzUrl2, dwCompareFlags) ? S_FALSE : S_OK;
476 }
477 
478 /***********************************************************************
479  * CoInternetQueryInfo (URLMON.@)
480  *
481  * Retrieves information relevant to a specified URL
482  *
483  */
485  DWORD dwQueryFlags, LPVOID pvBuffer, DWORD cbBuffer, DWORD *pcbBuffer,
487 {
489  HRESULT hres;
490 
491  TRACE("(%s, %x, %x, %p, %x, %p, %x)\n", debugstr_w(pwzUrl),
492  QueryOption, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved);
493 
495 
496  if(protocol_info) {
497  hres = IInternetProtocolInfo_QueryInfo(protocol_info, pwzUrl, QueryOption, dwQueryFlags,
498  pvBuffer, cbBuffer, pcbBuffer, dwReserved);
499  IInternetProtocolInfo_Release(protocol_info);
500 
501  return SUCCEEDED(hres) ? hres : E_FAIL;
502  }
503 
504  switch(QueryOption) {
505  case QUERY_USES_NETWORK:
506  if(!pvBuffer || cbBuffer < sizeof(DWORD))
507  return E_FAIL;
508 
509  *(DWORD*)pvBuffer = 0;
510  if(pcbBuffer)
511  *pcbBuffer = sizeof(DWORD);
512  break;
513 
514  default:
515  FIXME("Not supported option %d\n", QueryOption);
516  return E_NOTIMPL;
517  }
518 
519  return S_OK;
520 }
521 
523 {
525 
528 
530 }
531 
533 {
534  const DWORD supported_flags = SET_FEATURE_ON_PROCESS;
535 
536  if(feature >= FEATURE_ENTRY_COUNT)
537  return E_FAIL;
538 
539  if(flags & ~supported_flags)
540  FIXME("Unsupported flags: %08x\n", flags & ~supported_flags);
541 
542  if(flags & SET_FEATURE_ON_PROCESS)
544 
545  return S_OK;
546 }
547 
549 {
550  DWORD type, value, size;
551  HKEY feature;
552  DWORD res;
553 
554  static const WCHAR wildcardW[] = {'*',0};
555 
556  res = RegOpenKeyW(feature_control, feature_name, &feature);
557  if(res != ERROR_SUCCESS)
558  return FALSE;
559 
560  size = sizeof(DWORD);
561  res = RegQueryValueExW(feature, process_name, NULL, &type, (BYTE*)&value, &size);
562  if(res != ERROR_SUCCESS || type != REG_DWORD) {
563  size = sizeof(DWORD);
565  }
566 
568  if(res != ERROR_SUCCESS)
569  return FALSE;
570 
571  if(type != REG_DWORD) {
572  WARN("Unexpected registry value type %d (expected REG_DWORD) for %s\n", type, debugstr_w(wildcardW));
573  return FALSE;
574  }
575 
576  *enabled = value == 1;
577  return TRUE;
578 }
579 
580 /* Assumes 'process_features_cs' is held. */
582 {
583  DWORD res;
586  LPCWSTR process_name, feature_name;
587  HRESULT hres = S_FALSE;
588  BOOL check_hklm = FALSE;
589  BOOL enabled;
590 
592  ERR("Failed to get module file name: %u\n", GetLastError());
593  return E_UNEXPECTED;
594  }
595 
596  process_name = strrchrW(module_name, '\\');
597  if(!process_name) {
598  ERR("Invalid module file name: %s\n", debugstr_w(module_name));
599  return E_UNEXPECTED;
600  }
601 
602  /* Skip past the '\\' in front of the filename. */
603  ++process_name;
604 
606 
608  if(res == ERROR_SUCCESS) {
609  if(get_feature_from_reg(feature_control, feature_name, process_name, &enabled)) {
610  hres = enabled ? S_OK : S_FALSE;
612  } else
613  /* We didn't find anything in HKCU, so check HKLM. */
614  check_hklm = TRUE;
615 
617  }
618 
619  if(check_hklm) {
621  if(res == ERROR_SUCCESS) {
622  if(get_feature_from_reg(feature_control, feature_name, process_name, &enabled)) {
623  hres = enabled ? S_OK : S_FALSE;
625  }
627  }
628  }
629 
630  /* Don't bother checking the registry again for this feature. */
632 
633  return hres;
634 }
635 
637 {
638  HRESULT hres = S_OK;
639 
641 
642  /* Try loading the feature from the registry, if it hasn't already
643  * been done.
644  */
645  if(process_feature_controls[feature].check_registry)
647  if(SUCCEEDED(hres))
649 
651 
652  return hres;
653 }
654 
656 {
657  HRESULT hres;
658 
659  if(feature >= FEATURE_ENTRY_COUNT)
660  return E_FAIL;
661 
662  if(flags == GET_FEATURE_FROM_PROCESS)
664  else {
665  FIXME("Unsupported flags: %08x\n", flags);
666  hres = E_NOTIMPL;
667  }
668 
669  return hres;
670 }
671 
672 /***********************************************************************
673  * CoInternetSetFeatureEnabled (URLMON.@)
674  */
676 {
677  TRACE("(%d, %08x, %x)\n", FeatureEntry, dwFlags, fEnable);
678  return set_internet_feature(FeatureEntry, dwFlags, fEnable);
679 }
680 
681 /***********************************************************************
682  * CoInternetIsFeatureEnabled (URLMON.@)
683  */
685 {
686  TRACE("(%d, %08x)\n", FeatureEntry, dwFlags);
687  return get_internet_feature(FeatureEntry, dwFlags);
688 }
689 
690 /***********************************************************************
691  * CoInternetIsFeatureEnabledForUrl (URLMON.@)
692  */
694  IInternetSecurityManager *pSecMgr)
695 {
696  DWORD urlaction = 0;
697  HRESULT hres;
698 
699  TRACE("(%d %08x %s %p)\n", FeatureEntry, dwFlags, debugstr_w(szURL), pSecMgr);
700 
701  if(FeatureEntry == FEATURE_MIME_SNIFFING)
702  urlaction = URLACTION_FEATURE_MIME_SNIFFING;
703  else if(FeatureEntry == FEATURE_WINDOW_RESTRICTIONS)
704  urlaction = URLACTION_FEATURE_WINDOW_RESTRICTIONS;
705  else if(FeatureEntry == FEATURE_ZONE_ELEVATION)
706  urlaction = URLACTION_FEATURE_ZONE_ELEVATION;
707 
708  if(!szURL || !urlaction || !pSecMgr)
709  return CoInternetIsFeatureEnabled(FeatureEntry, dwFlags);
710 
711  switch(dwFlags) {
712  case GET_FEATURE_FROM_THREAD:
713  case GET_FEATURE_FROM_THREAD_LOCALMACHINE:
714  case GET_FEATURE_FROM_THREAD_INTRANET:
715  case GET_FEATURE_FROM_THREAD_TRUSTED:
716  case GET_FEATURE_FROM_THREAD_INTERNET:
717  case GET_FEATURE_FROM_THREAD_RESTRICTED:
718  FIXME("unsupported flags %x\n", dwFlags);
719  return E_NOTIMPL;
720 
721  case GET_FEATURE_FROM_PROCESS:
722  hres = CoInternetIsFeatureEnabled(FeatureEntry, dwFlags);
723  if(hres != S_OK)
724  return hres;
725  /* fall through */
726 
727  default: {
728  DWORD policy = URLPOLICY_DISALLOW;
729 
730  hres = IInternetSecurityManager_ProcessUrlAction(pSecMgr, szURL, urlaction,
731  (BYTE*)&policy, sizeof(DWORD), NULL, 0, PUAF_NOUI, 0);
732  if(hres!=S_OK || policy!=URLPOLICY_ALLOW)
733  return S_OK;
734  return S_FALSE;
735  }
736  }
737 }
738 
739 /***********************************************************************
740  * CoInternetIsFeatureZoneElevationEnabled (URLMON.@)
741  */
744 {
745  HRESULT hres;
746 
747  TRACE("(%s %s %p %x)\n", debugstr_w(szFromURL), debugstr_w(szToURL), pSecMgr, dwFlags);
748 
749  if(!pSecMgr || !szToURL)
751 
752  switch(dwFlags) {
753  case GET_FEATURE_FROM_THREAD:
754  case GET_FEATURE_FROM_THREAD_LOCALMACHINE:
755  case GET_FEATURE_FROM_THREAD_INTRANET:
756  case GET_FEATURE_FROM_THREAD_TRUSTED:
757  case GET_FEATURE_FROM_THREAD_INTERNET:
758  case GET_FEATURE_FROM_THREAD_RESTRICTED:
759  FIXME("unsupported flags %x\n", dwFlags);
760  return E_NOTIMPL;
761 
762  case GET_FEATURE_FROM_PROCESS:
764  if(hres != S_OK)
765  return hres;
766  /* fall through */
767 
768  default: {
769  DWORD policy = URLPOLICY_DISALLOW;
770 
771  hres = IInternetSecurityManager_ProcessUrlAction(pSecMgr, szToURL,
772  URLACTION_FEATURE_ZONE_ELEVATION, (BYTE*)&policy, sizeof(DWORD),
773  NULL, 0, PUAF_NOUI, 0);
774  if(FAILED(hres))
775  return S_OK;
776 
777  switch(policy) {
778  case URLPOLICY_ALLOW:
779  return S_FALSE;
780  case URLPOLICY_QUERY:
781  FIXME("Ask user dialog not implemented\n");
782  default:
783  return S_OK;
784  }
785  }
786  }
787 }
static PARSEACTION
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INTERNETFEATURELIST feature
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#define E_FAIL
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_In_ HANDLE _In_ DWORD _In_ DWORD _Inout_opt_ LPOVERLAPPED _In_opt_ LPTRANSMIT_FILE_BUFFERS _In_ DWORD dwReserved
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