VBoxGINA.cpp@ 16684

Last change on this file since 16684 was 16143, checked in by vboxsync, 16 years ago
VBoxGINA: Fixed CTRL-ALT-DEL handling: Now works as expected. Also added some more diagnostic info for further debugging.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 15.6 KB

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1	/** @file
2	*
3	* VBoxGINA -- Windows Logon DLL for VirtualBox
4	*
5	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
6	*
7	* This file is part of VirtualBox Open Source Edition (OSE), as
8	* available from http://www.virtualbox.org. This file is free software;
9	* you can redistribute it and/or modify it under the terms of the GNU
10	* General Public License (GPL) as published by the Free Software
11	* Foundation, in version 2 as it comes in the "COPYING" file of the
12	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
13	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
14	*
15	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
16	* Clara, CA 95054 USA or visit http://www.sun.com if you need
17	* additional information or have any questions.
18	*/
19
20	#include <stdio.h>
21	#include <stdlib.h>
22	#include <windows.h>
23	#include "winwlx.h"
24	#include "VBoxGINA.h"
25	#include "Helper.h"
26	#include "Dialog.h"
27
28	/*
29	* Global variables
30	*/
31
32
33	/** DLL instance handle */
34	HINSTANCE hDllInstance;
35
36	/** Version of Winlogon */
37	DWORD wlxVersion;
38
39	/** Handle to Winlogon service */
40	HANDLE hGinaWlx;
41	/** Winlog function dispatch table */
42	PWLX_DISPATCH_VERSION_1_1 pWlxFuncs;
43
44	/**
45	* Function pointers to MSGINA entry points
46	*/
47	PGWLXNEGOTIATE GWlxNegotiate;
48	PGWLXINITIALIZE GWlxInitialize;
49	PGWLXDISPLAYSASNOTICE GWlxDisplaySASNotice;
50	PGWLXLOGGEDOUTSAS GWlxLoggedOutSAS;
51	PGWLXACTIVATEUSERSHELL GWlxActivateUserShell;
52	PGWLXLOGGEDONSAS GWlxLoggedOnSAS;
53	PGWLXDISPLAYLOCKEDNOTICE GWlxDisplayLockedNotice;
54	PGWLXWKSTALOCKEDSAS GWlxWkstaLockedSAS;
55	PGWLXISLOCKOK GWlxIsLockOk;
56	PGWLXISLOGOFFOK GWlxIsLogoffOk;
57	PGWLXLOGOFF GWlxLogoff;
58	PGWLXSHUTDOWN GWlxShutdown;
59	/* GINA 1.1 */
60	PGWLXSTARTAPPLICATION GWlxStartApplication;
61	PGWLXSCREENSAVERNOTIFY GWlxScreenSaverNotify;
62	/* GINA 1.3 */
63	PGWLXNETWORKPROVIDERLOAD GWlxNetworkProviderLoad;
64	PGWLXDISPLAYSTATUSMESSAGE GWlxDisplayStatusMessage;
65	PGWLXGETSTATUSMESSAGE GWlxGetStatusMessage;
66	PGWLXREMOVESTATUSMESSAGE GWlxRemoveStatusMessage;
67	/* GINA 1.4 */
68	PGWLXGETCONSOLESWITCHCREDENTIALS GWlxGetConsoleSwitchCredentials;
69	PGWLXRECONNECTNOTIFY GWlxReconnectNotify;
70	PGWLXDISCONNECTNOTIFY GWlxDisconnectNotify;
71
72
73
74	/**
75	* DLL entry point.
76	*/
77	BOOL WINAPI DllMain(HINSTANCE hInstance,
78	DWORD dwReason,
79	LPVOID lpReserved)
80	{
81	switch (dwReason)
82	{
83	case DLL_PROCESS_ATTACH:
84	{
85	RTR3Init();
86	VbglR3Init();
87	LogRel(("VBoxGina: DLL loaded.\n"));
88
89	DisableThreadLibraryCalls(hInstance);
90	hDllInstance = hInstance;
91	break;
92	}
93
94	case DLL_PROCESS_DETACH:
95	{
96	LogRel(("VBoxGina: DLL unloaded.\n"));
97	VbglR3Term();
98	/// @todo RTR3Term();
99	break;
100	}
101
102	default:
103	break;
104	}
105	return TRUE;
106	}
107
108	BOOL WINAPI WlxNegotiate(DWORD dwWinlogonVersion,
109	DWORD *pdwDllVersion)
110	{
111	HINSTANCE hDll;
112
113	#ifdef DEBUG
114	/* enable full log output */
115	RTLogGroupSettings(RTLogDefaultInstance(), "all=~0");
116	#endif
117
118	Log(("VBoxGINA::WlxNegotiate: dwWinlogonVersion: %d\n", dwWinlogonVersion));
119
120	/* load the standard Microsoft GINA DLL */
121	if (!(hDll = LoadLibrary(TEXT("MSGINA.DLL"))))
122	{
123	Log(("VBoxGINA::WlxNegotiate: failed loading MSGINA! last error = %d\n", GetLastError()));
124	return FALSE;
125	}
126
127	/*
128	* Now get the entry points of the MSGINA
129	*/
130	GWlxNegotiate = (PGWLXNEGOTIATE)GetProcAddress(hDll, "WlxNegotiate");
131	if (!GWlxNegotiate)
132	{
133	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxNegotiate\n"));
134	return FALSE;
135	}
136	GWlxInitialize = (PGWLXINITIALIZE)GetProcAddress(hDll, "WlxInitialize");
137	if (!GWlxInitialize)
138	{
139	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxInitialize\n"));
140	return FALSE;
141	}
142	GWlxDisplaySASNotice =
143	(PGWLXDISPLAYSASNOTICE)GetProcAddress(hDll, "WlxDisplaySASNotice");
144	if (!GWlxDisplaySASNotice)
145	{
146	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxDisplaySASNotice\n"));
147	return FALSE;
148	}
149	GWlxLoggedOutSAS =
150	(PGWLXLOGGEDOUTSAS)GetProcAddress(hDll, "WlxLoggedOutSAS");
151	if (!GWlxLoggedOutSAS)
152	{
153	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxLoggedOutSAS\n"));
154	return FALSE;
155	}
156	GWlxActivateUserShell =
157	(PGWLXACTIVATEUSERSHELL)GetProcAddress(hDll, "WlxActivateUserShell");
158	if (!GWlxActivateUserShell)
159	{
160	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxActivateUserShell\n"));
161	return FALSE;
162	}
163	GWlxLoggedOnSAS =
164	(PGWLXLOGGEDONSAS)GetProcAddress(hDll, "WlxLoggedOnSAS");
165	if (!GWlxLoggedOnSAS)
166	{
167	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxLoggedOnSAS\n"));
168	return FALSE;
169	}
170	GWlxDisplayLockedNotice =
171	(PGWLXDISPLAYLOCKEDNOTICE)GetProcAddress(hDll, "WlxDisplayLockedNotice");
172	if (!GWlxDisplayLockedNotice)
173	{
174	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxDisplayLockedNotice\n"));
175	return FALSE;
176	}
177	GWlxIsLockOk = (PGWLXISLOCKOK)GetProcAddress(hDll, "WlxIsLockOk");
178	if (!GWlxIsLockOk)
179	{
180	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxIsLockOk\n"));
181	return FALSE;
182	}
183	GWlxWkstaLockedSAS =
184	(PGWLXWKSTALOCKEDSAS)GetProcAddress(hDll, "WlxWkstaLockedSAS");
185	if (!GWlxWkstaLockedSAS)
186	{
187	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxWkstaLockedSAS\n"));
188	return FALSE;
189	}
190	GWlxIsLogoffOk = (PGWLXISLOGOFFOK)GetProcAddress(hDll, "WlxIsLogoffOk");
191	if (!GWlxIsLogoffOk)
192	{
193	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxIsLogoffOk\n"));
194	return FALSE;
195	}
196	GWlxLogoff = (PGWLXLOGOFF)GetProcAddress(hDll, "WlxLogoff");
197	if (!GWlxLogoff)
198	{
199	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxLogoff\n"));
200	return FALSE;
201	}
202	GWlxShutdown = (PGWLXSHUTDOWN)GetProcAddress(hDll, "WlxShutdown");
203	if (!GWlxShutdown)
204	{
205	Log(("VBoxGINA::WlxNegotiate: failed resolving WlxShutdown\n"));
206	return FALSE;
207	}
208	/* GINA 1.1, optional */
209	GWlxStartApplication = (PGWLXSTARTAPPLICATION)GetProcAddress(hDll, "WlxStartApplication");
210	GWlxScreenSaverNotify = (PGWLXSCREENSAVERNOTIFY)GetProcAddress(hDll, "WlxScreenSaverNotify");
211	/* GINA 1.3, optional */
212	GWlxNetworkProviderLoad = (PGWLXNETWORKPROVIDERLOAD)GetProcAddress( hDll, "WlxNetworkProviderLoad");
213	GWlxDisplayStatusMessage = (PGWLXDISPLAYSTATUSMESSAGE)GetProcAddress( hDll, "WlxDisplayStatusMessage");
214	GWlxGetStatusMessage = (PGWLXGETSTATUSMESSAGE)GetProcAddress( hDll, "WlxGetStatusMessage");
215	GWlxRemoveStatusMessage = (PGWLXREMOVESTATUSMESSAGE)GetProcAddress( hDll, "WlxRemoveStatusMessage");
216	/* GINA 1.4, optional */
217	GWlxGetConsoleSwitchCredentials =
218	(PGWLXGETCONSOLESWITCHCREDENTIALS)GetProcAddress(hDll, "WlxGetConsoleSwitchCredentials");
219	GWlxReconnectNotify = (PGWLXRECONNECTNOTIFY)GetProcAddress(hDll, "WlxReconnectNotify");
220	GWlxDisconnectNotify = (PGWLXDISCONNECTNOTIFY)GetProcAddress(hDll, "WlxDisconnectNotify");
221	Log(("VBoxGINA::WlxNegotiate: optional function pointers:\n"
222	" WlxStartApplication: %p\n"
223	" WlxScreenSaverNotify: %p\n"
224	" WlxNetworkProviderLoad: %p\n"
225	" WlxDisplayStatusMessage: %p\n"
226	" WlxGetStatusMessage: %p\n"
227	" WlxRemoveStatusMessage: %p\n"
228	" WlxGetConsoleSwitchCredentials: %p\n"
229	" WlxReconnectNotify: %p\n"
230	" WlxDisconnectNotify: %p\n",
231	GWlxStartApplication, GWlxScreenSaverNotify, GWlxNetworkProviderLoad,
232	GWlxDisplayStatusMessage, GWlxGetStatusMessage, GWlxRemoveStatusMessage,
233	GWlxGetConsoleSwitchCredentials, GWlxReconnectNotify, GWlxDisconnectNotify));
234
235	wlxVersion = dwWinlogonVersion;
236
237	/* forward call */
238	return GWlxNegotiate(dwWinlogonVersion, pdwDllVersion);
239	}
240
241
242	BOOL WINAPI WlxInitialize(LPWSTR lpWinsta, HANDLE hWlx, PVOID pvReserved,
243	PVOID pWinlogonFunctions, PVOID *pWlxContext)
244	{
245	Log(("VBoxGINA::WlxInitialize\n"));
246
247	/* store Winlogon function table */
248	pWlxFuncs = (PWLX_DISPATCH_VERSION_1_1)pWinlogonFunctions;
249
250	/* store handle to Winlogon service*/
251	hGinaWlx = hWlx;
252
253	/* hook the dialogs */
254	hookDialogBoxes(pWlxFuncs, wlxVersion);
255
256	/* forward call */
257	return GWlxInitialize(lpWinsta, hWlx, pvReserved, pWinlogonFunctions, pWlxContext);
258	}
259
260
261	VOID WINAPI WlxDisplaySASNotice(PVOID pWlxContext)
262	{
263	Log(("VBoxGINA::WlxDisplaySASNotice\n"));
264
265	/* check if there are credentials for us, if so simulat C-A-D */
266	if (credentialsAvailable())
267	{
268	Log(("VBoxGINA::WlxDisplaySASNotice: simulating C-A-D\n"));
269	/* automatic C-A-D */
270	pWlxFuncs->WlxSasNotify(hGinaWlx, WLX_SAS_TYPE_CTRL_ALT_DEL);
271	}
272	else
273	{
274	Log(("VBoxGINA::WlxDisplaySASNotice: starting credentials poller\n"));
275	/* start the credentials poller thread */
276	credentialsPollerCreate();
277	/* forward call to MSGINA */
278	GWlxDisplaySASNotice(pWlxContext);
279	}
280	}
281
282
283	int WINAPI WlxLoggedOutSAS(PVOID pWlxContext, DWORD dwSasType, PLUID pAuthenticationId,
284	PSID pLogonSid, PDWORD pdwOptions, PHANDLE phToken,
285	PWLX_MPR_NOTIFY_INFO pMprNotifyInfo, PVOID *pProfile)
286	{
287	Log(("VBoxGINA::WlxLoggedOutSAS\n"));
288
289	/* when performing a direct logon without C-A-D, our poller might not be running */
290	if (!credentialsAvailable())
291	{
292	credentialsPollerCreate();
293	}
294
295	int iRet;
296	iRet = GWlxLoggedOutSAS(pWlxContext, dwSasType, pAuthenticationId, pLogonSid,
297	pdwOptions, phToken, pMprNotifyInfo, pProfile);
298
299	if (iRet == WLX_SAS_ACTION_LOGON)
300	{
301	//
302	// copy pMprNotifyInfo and pLogonSid for later use
303	//
304
305	// pMprNotifyInfo->pszUserName
306	// pMprNotifyInfo->pszDomain
307	// pMprNotifyInfo->pszPassword
308	// pMprNotifyInfo->pszOldPassword
309
310	}
311
312	return iRet;
313	}
314
315
316	BOOL WINAPI WlxActivateUserShell(PVOID pWlxContext, PWSTR pszDesktopName,
317	PWSTR pszMprLogonScript, PVOID pEnvironment)
318	{
319	Log(("VBoxGINA::WlxActivateUserShell\n"));
320
321	/* forward call to MSGINA */
322	return GWlxActivateUserShell(pWlxContext, pszDesktopName, pszMprLogonScript, pEnvironment);
323	}
324
325
326	int WINAPI WlxLoggedOnSAS(PVOID pWlxContext, DWORD dwSasType, PVOID pReserved)
327	{
328	HKEY hKey;
329	DWORD dwValue = 1;
330	DWORD dwSize = 0;
331	DWORD dwType = 0;
332	int iRet = WLX_SAS_ACTION_NONE;
333
334	Log(("VBoxGINA::WlxLoggedOnSAS: SaSType = %ld\n", dwSasType));
335
336	/* Winlogon registry path */
337	static TCHAR szPath[] = TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon");
338
339	if (!RegOpenKey(HKEY_LOCAL_MACHINE, szPath, &hKey))
340	{
341	dwSize = sizeof(DWORD);
342	RegQueryValueEx(hKey, TEXT("SAS_S"), 0, &dwType, (PBYTE)&dwValue, &dwSize);
343	RegCloseKey(hKey);
344	}
345	else
346	{
347	Log(("VBoxGINA::WlxLoggedOnSAS: Could not open registry key! Last error: %d\n", GetLastError()));
348	}
349
350	if (dwValue)
351	{
352	switch (dwSasType)
353	{
354
355	case WLX_SAS_TYPE_CTRL_ALT_DEL: /* User pressed CTRL-ALT-DEL. */
356
357	/* Show the task list (or whatever the OS wants to do here). */
358	iRet = WLX_SAS_ACTION_TASKLIST;
359	break;
360
361	default:
362	break;
363	}
364	}
365	else
366	{
367	/* Forward call to MSGINA. */
368	Log(("VBoxGINA::WlxLoggedOnSAS: Forwarding call to MSGINA ...\n"));
369	return GWlxLoggedOnSAS(pWlxContext, dwSasType, pReserved);
370	}
371
372	return iRet;
373	}
374
375	VOID WINAPI WlxDisplayLockedNotice(PVOID pWlxContext)
376	{
377	Log(("VBoxGINA::WlxDisplayLockedNotice\n"));
378	/* forward call to MSGINA */
379	GWlxDisplayLockedNotice(pWlxContext);
380	}
381
382
383	BOOL WINAPI WlxIsLockOk(PVOID pWlxContext)
384	{
385	Log(("VBoxGINA::WlxIsLockOk\n"));
386	/* forward call to MSGINA */
387	return GWlxIsLockOk(pWlxContext);
388	}
389
390	int WINAPI WlxWkstaLockedSAS(PVOID pWlxContext, DWORD dwSasType)
391	{
392	Log(("VBoxGINA::WlxWkstaLockedSAS\n"));
393	/* forward call to MSGINA */
394	return GWlxWkstaLockedSAS(pWlxContext, dwSasType);
395	}
396
397	BOOL WINAPI WlxIsLogoffOk(PVOID pWlxContext)
398	{
399	BOOL bSuccess;
400
401	Log(("VBoxGINA::WlxIsLogoffOk\n"));
402
403	bSuccess = GWlxIsLogoffOk(pWlxContext);
404
405	if (bSuccess)
406	{
407	//
408	// if it's ok to logoff, finish with the stored credentials
409	// and scrub the buffers
410	//
411
412	}
413	return bSuccess;
414	}
415
416
417	VOID WINAPI WlxLogoff(PVOID pWlxContext)
418	{
419	Log(("VBoxGINA::WlxLogoff\n"));
420
421	/* forward call to MSGINA */
422	GWlxLogoff(pWlxContext);
423	}
424
425
426	VOID WINAPI WlxShutdown(PVOID pWlxContext, DWORD ShutdownType)
427	{
428	Log(("VBoxGINA::WlxShutdown\n"));
429
430	/* forward call to MSGINA */
431	GWlxShutdown(pWlxContext, ShutdownType);
432	}
433
434
435	/*
436	* GINA 1.1 entry points
437	*/
438
439	BOOL WINAPI WlxScreenSaverNotify(PVOID pWlxContext, BOOL *pSecure)
440	{
441	Log(("VBoxGINA::WlxScreenSaverNotify\n"));
442
443	/* forward to MSGINA if present */
444	if (GWlxScreenSaverNotify)
445	return GWlxScreenSaverNotify(pWlxContext, pSecure);
446	/* return something intelligent */
447	*pSecure = TRUE;
448	return TRUE;
449	}
450
451	BOOL WINAPI WlxStartApplication(PVOID pWlxContext, PWSTR pszDesktopName,
452	PVOID pEnvironment, PWSTR pszCmdLine)
453	{
454	Log(("VBoxGINA::WlxStartApplication: pWlxCtx=%p, pszDesktopName=%ls, pEnvironment=%p, pszCmdLine=%ls\n",
455	pWlxContext, pszDesktopName, pEnvironment, pszCmdLine));
456
457	/* forward to MSGINA if present */
458	if (GWlxStartApplication)
459	return GWlxStartApplication(pWlxContext, pszDesktopName, pEnvironment, pszCmdLine);
460	return FALSE;
461	}
462
463	/*
464	* GINA 1.3 entry points
465	*/
466	BOOL WINAPI WlxNetworkProviderLoad (PVOID pWlxContext, PWLX_MPR_NOTIFY_INFO pNprNotifyInfo)
467	{
468	Log(("VBoxGINA::WlxNetworkProviderLoad\n"));
469
470	/* forward to MSGINA if present */
471	if (GWlxNetworkProviderLoad)
472	return GWlxNetworkProviderLoad(pWlxContext, pNprNotifyInfo);
473	return FALSE;
474	}
475
476
477	BOOL WINAPI WlxDisplayStatusMessage(PVOID pWlxContext, HDESK hDesktop, DWORD dwOptions,
478	PWSTR pTitle, PWSTR pMessage)
479	{
480	Log(("VBoxGINA::WlxDisplayStatusMessage\n"));
481
482	/* forward to MSGINA if present */
483	if (GWlxDisplayStatusMessage)
484	return GWlxDisplayStatusMessage(pWlxContext, hDesktop, dwOptions, pTitle, pMessage);
485	return FALSE;
486	}
487
488
489	BOOL WINAPI WlxGetStatusMessage(PVOID pWlxContext, DWORD *pdwOptions,
490	PWSTR pMessage, DWORD dwBufferSize)
491	{
492	Log(("VBoxGINA::WlxGetStatusMessage\n"));
493
494	/* forward to MSGINA if present */
495	if (GWlxGetStatusMessage)
496	return GWlxGetStatusMessage(pWlxContext, pdwOptions, pMessage, dwBufferSize);
497	return FALSE;
498	}
499
500
501	BOOL WINAPI WlxRemoveStatusMessage(PVOID pWlxContext)
502	{
503	Log(("VBoxGINA::WlxRemoveStatusMessage\n"));
504
505	/* forward to MSGINA if present */
506	if (GWlxRemoveStatusMessage)
507	return GWlxRemoveStatusMessage(pWlxContext);
508	return FALSE;
509	}
510
511
512	/*
513	* GINA 1.4 entry points
514	*/
515
516	BOOL WINAPI WlxGetConsoleSwitchCredentials(PVOID pWlxContext,PVOID pCredInfo)
517	{
518	Log(("VBoxGINA::WlxGetConsoleSwitchCredentials\n"));
519
520	/* forward call to MSGINA if present */
521	if (GWlxGetConsoleSwitchCredentials)
522	return GWlxGetConsoleSwitchCredentials(pWlxContext,pCredInfo);
523	return FALSE;
524	}
525
526	VOID WINAPI WlxReconnectNotify(PVOID pWlxContext)
527	{
528	Log(("VBoxGINA::WlxReconnectNotify\n"));
529
530	/* forward to MSGINA if present */
531	if (GWlxReconnectNotify)
532	GWlxReconnectNotify(pWlxContext);
533	}
534
535	VOID WINAPI WlxDisconnectNotify(PVOID pWlxContext)
536	{
537	Log(("VBoxGINA::WlxDisconnectNotify\n"));
538
539	/* forward to MSGINA if present */
540	if (GWlxDisconnectNotify)
541	GWlxDisconnectNotify(pWlxContext);
542	}

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source: vbox/trunk/src/VBox/Additions/WINNT/VBoxGINA/VBoxGINA.cpp@ 16684

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