SUPLib-win.cpp@ 53002

Last change on this file since 53002 was 53002, checked in by vboxsync, 10 years ago
VBoxDrv-win.cpp: Keep the error info string from failed VBoxDrv and VBoxDrvStub open operations so userland can give us better messages to work on. Fixeds a couple of odd bugs.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 25.6 KB

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1	/* $Id: SUPLib-win.cpp 53002 2014-10-08 23:46:15Z vboxsync $ */
2	/** @file
3	* VirtualBox Support Library - Windows NT specific parts.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27	/*******************************************************************************
28	* Header Files *
29	*******************************************************************************/
30	#define LOG_GROUP LOG_GROUP_SUP
31	#ifdef IN_SUP_HARDENED_R3
32	# undef DEBUG /* Warning: disables RT_STRICT */
33	# undef LOG_DISABLED
34	# define LOG_DISABLED
35	/** @todo RTLOGREL_DISABLED */
36	# include <iprt/log.h>
37	# undef LogRelIt
38	# define LogRelIt(pvInst, fFlags, iGroup, fmtargs) do { } while (0)
39	#endif
40
41	#define USE_NT_DEVICE_IO_CONTROL_FILE
42	#include <iprt/nt/nt-and-windows.h>
43
44	#include <VBox/sup.h>
45	#include <VBox/types.h>
46	#include <VBox/err.h>
47	#include <VBox/param.h>
48	#include <VBox/log.h>
49	#include <iprt/assert.h>
50	#include <iprt/path.h>
51	#include <iprt/string.h>
52	#include "../SUPLibInternal.h"
53	#include "../SUPDrvIOC.h"
54	#ifdef VBOX_WITH_HARDENING
55	# include "win/SUPHardenedVerify-win.h"
56	#endif
57
58
59	/*******************************************************************************
60	* Defined Constants And Macros *
61	*******************************************************************************/
62	/** The support service name. */
63	#define SERVICE_NAME "VBoxDrv"
64
65
66	/*******************************************************************************
67	* Internal Functions *
68	*******************************************************************************/
69	#ifndef IN_SUP_HARDENED_R3
70	static int suplibOsCreateService(void);
71	//unused: static int suplibOsUpdateService(void);
72	static int suplibOsDeleteService(void);
73	static int suplibOsStartService(void);
74	static int suplibOsStopService(void);
75	#endif
76	#ifdef USE_NT_DEVICE_IO_CONTROL_FILE
77	static int suplibConvertNtStatus(NTSTATUS rcNt);
78	#else
79	static int suplibConvertWin32Err(int);
80	#endif
81
82	/*******************************************************************************
83	* Global Variables *
84	*******************************************************************************/
85	static bool g_fHardenedVerifyInited = false;
86
87
88	int suplibOsHardenedVerifyInit(void)
89	{
90	if (!g_fHardenedVerifyInited)
91	{
92	#if defined(VBOX_WITH_HARDENING) && !defined(IN_SUP_HARDENED_R3) && !defined(IN_SUP_R3_STATIC)
93	supR3HardenedWinInitVersion();
94	int rc = supHardenedWinInitImageVerifier(NULL);
95	if (RT_FAILURE(rc))
96	return rc;
97	supR3HardenedWinResolveVerifyTrustApiAndHookThreadCreation(NULL);
98	#endif
99	g_fHardenedVerifyInited = true;
100	}
101	return VINF_SUCCESS;
102	}
103
104
105	int suplibOsHardenedVerifyTerm(void)
106	{
107	/** @todo free resources... */
108	return VINF_SUCCESS;
109	}
110
111
112	int suplibOsInit(PSUPLIBDATA pThis, bool fPreInited, bool fUnrestricted, SUPINITOP *penmWhat, PRTERRINFO pErrInfo)
113	{
114	/*
115	* Make sure the image verifier is fully initialized.
116	*/
117	int rc = suplibOsHardenedVerifyInit();
118	if (RT_FAILURE(rc))
119	return RTErrInfoSetF(pErrInfo, rc, "suplibOsHardenedVerifyInit failed: %Rrc", rc);
120
121	/*
122	* Done if of pre-inited.
123	*/
124	if (fPreInited)
125	{
126	#if defined(VBOX_WITH_HARDENING) && !defined(IN_SUP_HARDENED_R3)
127	# ifdef IN_SUP_R3_STATIC
128	return VERR_NOT_SUPPORTED;
129	# else
130	return VINF_SUCCESS;
131	# endif
132	#else
133	return VINF_SUCCESS;
134	#endif
135	}
136
137	/*
138	* Try open the device.
139	*/
140	#ifndef IN_SUP_HARDENED_R3
141	uint32_t cTry = 0;
142	#endif
143	HANDLE hDevice;
144	for (;;)
145	{
146	IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
147
148	static const WCHAR s_wszName[] = L"\\Device\\VBoxDrvU";
149	UNICODE_STRING NtName;
150	NtName.Buffer = (PWSTR)s_wszName;
151	NtName.Length = sizeof(s_wszName) - sizeof(WCHAR) * (fUnrestricted ? 2 : 1);
152	NtName.MaximumLength = NtName.Length;
153
154	OBJECT_ATTRIBUTES ObjAttr;
155	InitializeObjectAttributes(&ObjAttr, &NtName, OBJ_CASE_INSENSITIVE, NULL /hRootDir/, NULL /pSecDesc/);
156
157	hDevice = RTNT_INVALID_HANDLE_VALUE;
158
159	NTSTATUS rcNt = NtCreateFile(&hDevice,
160	GENERIC_READ \| GENERIC_WRITE,
161	&ObjAttr,
162	&Ios,
163	NULL /* Allocation Size*/,
164	FILE_ATTRIBUTE_NORMAL,
165	FILE_SHARE_READ \| FILE_SHARE_WRITE,
166	FILE_OPEN,
167	FILE_NON_DIRECTORY_FILE,
168	NULL /EaBuffer/,
169	0 /EaLength/);
170	if (NT_SUCCESS(rcNt))
171	rcNt = Ios.Status;
172	if (NT_SUCCESS(rcNt))
173	{
174	/*
175	* We're good.
176	*/
177	pThis->hDevice = hDevice;
178	pThis->fUnrestricted = fUnrestricted;
179	return VINF_SUCCESS;
180	}
181
182	#ifndef IN_SUP_HARDENED_R3
183	/*
184	* Failed to open, try starting the service and reopen the device
185	* exactly once.
186	*/
187	if (cTry == 0 && !NT_SUCCESS(rcNt))
188	{
189	cTry++;
190	suplibOsStartService();
191	continue;
192	}
193	#endif
194
195	/*
196	* Translate the error code.
197	*/
198	switch (rcNt)
199	{
200	/** @todo someone must test what is actually returned. */
201	case STATUS_DEVICE_DOES_NOT_EXIST:
202	case STATUS_DEVICE_NOT_CONNECTED:
203	//case ERROR_BAD_DEVICE:
204	case STATUS_DEVICE_REMOVED:
205	//case ERROR_DEVICE_NOT_AVAILABLE:
206	rc = VERR_VM_DRIVER_LOAD_ERROR;
207	break;
208	case STATUS_OBJECT_PATH_NOT_FOUND:
209	case STATUS_NO_SUCH_DEVICE:
210	case STATUS_NO_SUCH_FILE:
211	case STATUS_OBJECT_NAME_NOT_FOUND:
212	rc = VERR_VM_DRIVER_NOT_INSTALLED;
213	break;
214	case STATUS_ACCESS_DENIED:
215	case STATUS_SHARING_VIOLATION:
216	rc = VERR_VM_DRIVER_NOT_ACCESSIBLE;
217	break;
218	case STATUS_UNSUCCESSFUL:
219	rc = VERR_SUPLIB_NT_PROCESS_UNTRUSTED_0;
220	break;
221	case STATUS_TRUST_FAILURE:
222	rc = VERR_SUPLIB_NT_PROCESS_UNTRUSTED_1;
223	break;
224	case STATUS_TOO_LATE:
225	rc = VERR_SUPDRV_HARDENING_EVIL_HANDLE;
226	break;
227	default:
228	if (SUP_NT_STATUS_IS_VBOX(rcNt)) /* See VBoxDrvNtErr2NtStatus. */
229	rc = SUP_NT_STATUS_TO_VBOX(rcNt);
230	else
231	rc = VERR_VM_DRIVER_OPEN_ERROR;
232	break;
233	}
234
235	#ifdef IN_SUP_HARDENED_R3
236	/*
237	* Get more details from VBoxDrvErrorInfo if present.
238	*/
239	if (pErrInfo && pErrInfo->cbMsg > 32)
240	{
241	/* Prefix. */
242	size_t cchPrefix;
243	const char *pszDefine = RTErrGetDefine(rc);
244	if (strncmp(pszDefine, RT_STR_TUPLE("Unknown")))
245	cchPrefix = RTStrPrintf(pErrInfo->pszMsg, pErrInfo->cbMsg / 2, "Integrity error (%#x/%s): ", rcNt, pszDefine);
246	else
247	cchPrefix = RTStrPrintf(pErrInfo->pszMsg, pErrInfo->cbMsg / 2, "Integrity error (%#x/%d): ", rcNt, rc);
248
249	/* Get error info. */
250	supR3HardenedWinReadErrorInfoDevice(pErrInfo->pszMsg + cchPrefix, pErrInfo->cbMsg - cchPrefix, "");
251	if (pErrInfo->pszMsg[cchPrefix] != '\0')
252	{
253	pErrInfo->fFlags \|= RTERRINFO_FLAGS_SET;
254	pErrInfo->rc = rc;
255	*penmWhat = kSupInitOp_Integrity;
256	}
257	else
258	pErrInfo->pszMsg[0] = '\0';
259	}
260	#endif
261	return rc;
262	}
263	}
264
265
266	#ifndef IN_SUP_HARDENED_R3
267
268	int suplibOsInstall(void)
269	{
270	int rc = suplibOsCreateService();
271	if (RT_SUCCESS(rc))
272	{
273	int rc2 = suplibOsStartService();
274	if (rc2 != VINF_SUCCESS)
275	rc = rc2;
276	}
277	return rc;
278	}
279
280
281	int suplibOsUninstall(void)
282	{
283	int rc = suplibOsStopService();
284	if (RT_SUCCESS(rc))
285	rc = suplibOsDeleteService();
286	return rc;
287	}
288
289
290	/**
291	* Creates the service.
292	*
293	* @returns VBox status code.
294	* @retval VWRN_ALREADY_EXISTS if it already exists.
295	*/
296	static int suplibOsCreateService(void)
297	{
298	/*
299	* Assume it didn't exist, so we'll create the service.
300	*/
301	int rc;
302	SC_HANDLE hSMgrCreate = OpenSCManager(NULL, NULL, SERVICE_CHANGE_CONFIG);
303	DWORD dwErr = GetLastError();
304	AssertMsg(hSMgrCreate, ("OpenSCManager(,,create) failed dwErr=%d\n", dwErr));
305	if (hSMgrCreate != NULL)
306	{
307	char szDriver[RTPATH_MAX];
308	rc = RTPathExecDir(szDriver, sizeof(szDriver) - sizeof("\\VBoxDrv.sys"));
309	if (RT_SUCCESS(rc))
310	{
311	strcat(szDriver, "\\VBoxDrv.sys");
312	SC_HANDLE hService = CreateService(hSMgrCreate,
313	SERVICE_NAME,
314	"VBox Support Driver",
315	SERVICE_QUERY_STATUS,
316	SERVICE_KERNEL_DRIVER,
317	SERVICE_DEMAND_START,
318	SERVICE_ERROR_NORMAL,
319	szDriver,
320	NULL, NULL, NULL, NULL, NULL);
321	dwErr = GetLastError();
322	if (hService)
323	{
324	CloseServiceHandle(hService);
325	rc = VINF_SUCCESS;
326	}
327	else if (dwErr == ERROR_SERVICE_EXISTS)
328	rc = VWRN_ALREADY_EXISTS;
329	else
330	{
331	AssertMsgFailed(("CreateService failed! dwErr=%Rwa szDriver=%s\n", dwErr, szDriver));
332	rc = RTErrConvertFromWin32(dwErr);
333	}
334	}
335	CloseServiceHandle(hSMgrCreate);
336	}
337	else
338	rc = RTErrConvertFromWin32(GetLastError());
339	return rc;
340	}
341
342
343	/**
344	* Stops a possibly running service.
345	*
346	* @returns VBox status code.
347	*/
348	static int suplibOsStopService(void)
349	{
350	/*
351	* Assume it didn't exist, so we'll create the service.
352	*/
353	int rc;
354	SC_HANDLE hSMgr = OpenSCManager(NULL, NULL, SERVICE_STOP \| SERVICE_QUERY_STATUS);
355	DWORD dwErr = GetLastError();
356	AssertMsg(hSMgr, ("OpenSCManager(,,delete) failed dwErr=%d\n", dwErr));
357	if (hSMgr)
358	{
359	SC_HANDLE hService = OpenService(hSMgr, SERVICE_NAME, SERVICE_STOP \| SERVICE_QUERY_STATUS);
360	if (hService)
361	{
362	/*
363	* Stop the service.
364	*/
365	SERVICE_STATUS Status;
366	QueryServiceStatus(hService, &Status);
367	if (Status.dwCurrentState == SERVICE_STOPPED)
368	rc = VINF_SUCCESS;
369	else if (ControlService(hService, SERVICE_CONTROL_STOP, &Status))
370	{
371	int iWait = 100;
372	while (Status.dwCurrentState == SERVICE_STOP_PENDING && iWait-- > 0)
373	{
374	Sleep(100);
375	QueryServiceStatus(hService, &Status);
376	}
377	if (Status.dwCurrentState == SERVICE_STOPPED)
378	rc = VINF_SUCCESS;
379	else
380	{
381	AssertMsgFailed(("Failed to stop service. status=%d\n", Status.dwCurrentState));
382	rc = VERR_GENERAL_FAILURE;
383	}
384	}
385	else
386	{
387	dwErr = GetLastError();
388	AssertMsgFailed(("ControlService failed with dwErr=%Rwa. status=%d\n", dwErr, Status.dwCurrentState));
389	rc = RTErrConvertFromWin32(dwErr);
390	}
391	CloseServiceHandle(hService);
392	}
393	else
394	{
395	dwErr = GetLastError();
396	if (GetLastError() == ERROR_SERVICE_DOES_NOT_EXIST)
397	rc = VINF_SUCCESS;
398	else
399	{
400	AssertMsgFailed(("OpenService failed dwErr=%Rwa\n", dwErr));
401	rc = RTErrConvertFromWin32(dwErr);
402	}
403	}
404	CloseServiceHandle(hSMgr);
405	}
406	else
407	rc = RTErrConvertFromWin32(dwErr);
408	return rc;
409	}
410
411
412	/**
413	* Deletes the service.
414	*
415	* @returns VBox status code.
416	*/
417	int suplibOsDeleteService(void)
418	{
419	/*
420	* Assume it didn't exist, so we'll create the service.
421	*/
422	int rc;
423	SC_HANDLE hSMgr = OpenSCManager(NULL, NULL, SERVICE_CHANGE_CONFIG);
424	DWORD dwErr = GetLastError();
425	AssertMsg(hSMgr, ("OpenSCManager(,,delete) failed rc=%d\n", dwErr));
426	if (hSMgr)
427	{
428	SC_HANDLE hService = OpenService(hSMgr, SERVICE_NAME, DELETE);
429	if (hService)
430	{
431	/*
432	* Delete the service.
433	*/
434	if (DeleteService(hService))
435	rc = VINF_SUCCESS;
436	else
437	{
438	dwErr = GetLastError();
439	AssertMsgFailed(("DeleteService failed dwErr=%Rwa\n", dwErr));
440	rc = RTErrConvertFromWin32(dwErr);
441	}
442	CloseServiceHandle(hService);
443	}
444	else
445	{
446	dwErr = GetLastError();
447	if (dwErr == ERROR_SERVICE_DOES_NOT_EXIST)
448	rc = VINF_SUCCESS;
449	else
450	{
451	AssertMsgFailed(("OpenService failed dwErr=%Rwa\n", dwErr));
452	rc = RTErrConvertFromWin32(dwErr);
453	}
454	}
455	CloseServiceHandle(hSMgr);
456	}
457	return rc;
458	}
459
460	#if 0
461	/**
462	* Creates the service.
463	*
464	* @returns 0 on success.
465	* @returns -1 on failure.
466	*/
467	static int suplibOsUpdateService(void)
468	{
469	/*
470	* Assume it didn't exist, so we'll create the service.
471	*/
472	SC_HANDLE hSMgr = OpenSCManager(NULL, NULL, SERVICE_CHANGE_CONFIG);
473	DWORD LastError = GetLastError(); NOREF(LastError);
474	AssertMsg(hSMgr, ("OpenSCManager(,,delete) failed LastError=%Rwa\n", LastError));
475	if (hSMgr)
476	{
477	SC_HANDLE hService = OpenService(hSMgr, SERVICE_NAME, SERVICE_CHANGE_CONFIG);
478	if (hService)
479	{
480	char szDriver[RTPATH_MAX];
481	int rc = RTPathExecDir(szDriver, sizeof(szDriver) - sizeof("\\VBoxDrv.sys"));
482	if (RT_SUCCESS(rc))
483	{
484	strcat(szDriver, "\\VBoxDrv.sys");
485
486	SC_LOCK hLock = LockServiceDatabase(hSMgr);
487	if (ChangeServiceConfig(hService,
488	SERVICE_KERNEL_DRIVER,
489	SERVICE_DEMAND_START,
490	SERVICE_ERROR_NORMAL,
491	szDriver,
492	NULL, NULL, NULL, NULL, NULL, NULL))
493	{
494
495	UnlockServiceDatabase(hLock);
496	CloseServiceHandle(hService);
497	CloseServiceHandle(hSMgr);
498	return 0;
499	}
500	else
501	{
502	DWORD LastError = GetLastError(); NOREF(LastError);
503	AssertMsgFailed(("ChangeServiceConfig failed LastError=%Rwa\n", LastError));
504	}
505	}
506	UnlockServiceDatabase(hLock);
507	CloseServiceHandle(hService);
508	}
509	else
510	{
511	DWORD LastError = GetLastError(); NOREF(LastError);
512	AssertMsgFailed(("OpenService failed LastError=%Rwa\n", LastError));
513	}
514	CloseServiceHandle(hSMgr);
515	}
516	return -1;
517	}
518	#endif
519
520
521	/**
522	* Attempts to start the service, creating it if necessary.
523	*
524	* @returns VBox status code.
525	*/
526	static int suplibOsStartService(void)
527	{
528	/*
529	* Check if the driver service is there.
530	*/
531	SC_HANDLE hSMgr = OpenSCManager(NULL, NULL, SERVICE_QUERY_STATUS \| SERVICE_START);
532	if (hSMgr == NULL)
533	{
534	DWORD dwErr = GetLastError();
535	AssertMsgFailed(("couldn't open service manager in SERVICE_QUERY_CONFIG \| SERVICE_QUERY_STATUS mode! (dwErr=%d)\n", dwErr));
536	return RTErrConvertFromWin32(dwErr);
537	}
538
539	/*
540	* Try open our service to check it's status.
541	*/
542	SC_HANDLE hService = OpenService(hSMgr, SERVICE_NAME, SERVICE_QUERY_STATUS \| SERVICE_START);
543	if (!hService)
544	{
545	/*
546	* Create the service.
547	*/
548	int rc = suplibOsCreateService();
549	if (RT_FAILURE(rc))
550	return rc;
551
552	/*
553	* Try open the service.
554	*/
555	hService = OpenService(hSMgr, SERVICE_NAME, SERVICE_QUERY_STATUS \| SERVICE_START);
556	}
557
558	/*
559	* Check if open and on demand create succeeded.
560	*/
561	int rc;
562	if (hService)
563	{
564
565	/*
566	* Query service status to see if we need to start it or not.
567	*/
568	SERVICE_STATUS Status;
569	BOOL fRc = QueryServiceStatus(hService, &Status);
570	Assert(fRc);
571	if (Status.dwCurrentState == SERVICE_RUNNING)
572	rc = VINF_ALREADY_INITIALIZED;
573	else
574	{
575	if (Status.dwCurrentState == SERVICE_START_PENDING)
576	rc = VINF_SUCCESS;
577	else
578	{
579	/*
580	* Start it.
581	*/
582	if (StartService(hService, 0, NULL))
583	rc = VINF_SUCCESS;
584	else
585	{
586	DWORD dwErr = GetLastError();
587	AssertMsg(fRc, ("StartService failed with dwErr=%Rwa\n", dwErr));
588	rc = RTErrConvertFromWin32(dwErr);
589	}
590	}
591
592	/*
593	* Wait for the service to finish starting.
594	* We'll wait for 10 seconds then we'll give up.
595	*/
596	QueryServiceStatus(hService, &Status);
597	if (Status.dwCurrentState == SERVICE_START_PENDING)
598	{
599	int iWait;
600	for (iWait = 100; iWait > 0 && Status.dwCurrentState == SERVICE_START_PENDING; iWait--)
601	{
602	Sleep(100);
603	QueryServiceStatus(hService, &Status);
604	}
605	DWORD dwErr = GetLastError(); NOREF(dwErr);
606	AssertMsg(Status.dwCurrentState != SERVICE_RUNNING,
607	("Failed to start. dwErr=%Rwa iWait=%d status=%d\n", dwErr, iWait, Status.dwCurrentState));
608	}
609
610	if (Status.dwCurrentState == SERVICE_RUNNING)
611	rc = VINF_SUCCESS;
612	else if (RT_SUCCESS_NP(rc))
613	rc = VERR_GENERAL_FAILURE;
614	}
615
616	/*
617	* Close open handles.
618	*/
619	CloseServiceHandle(hService);
620	}
621	else
622	{
623	DWORD dwErr = GetLastError();
624	AssertMsgFailed(("OpenService failed! LastError=%Rwa\n", dwErr));
625	rc = RTErrConvertFromWin32(dwErr);
626	}
627	if (!CloseServiceHandle(hSMgr))
628	AssertFailed();
629
630	return rc;
631	}
632
633
634	int suplibOsTerm(PSUPLIBDATA pThis)
635	{
636	/*
637	* Check if we're inited at all.
638	*/
639	if (pThis->hDevice != NULL)
640	{
641	if (!CloseHandle((HANDLE)pThis->hDevice))
642	AssertFailed();
643	pThis->hDevice = NIL_RTFILE; /* yes, that's right */
644	}
645
646	return VINF_SUCCESS;
647	}
648
649
650	int suplibOsIOCtl(PSUPLIBDATA pThis, uintptr_t uFunction, void *pvReq, size_t cbReq)
651	{
652	/*
653	* Issue the device I/O control.
654	*/
655	PSUPREQHDR pHdr = (PSUPREQHDR)pvReq;
656	Assert(cbReq == RT_MAX(pHdr->cbIn, pHdr->cbOut));
657	# ifdef USE_NT_DEVICE_IO_CONTROL_FILE
658	IO_STATUS_BLOCK Ios;
659	Ios.Status = -1;
660	Ios.Information = 0;
661	NTSTATUS rcNt = NtDeviceIoControlFile((HANDLE)pThis->hDevice, NULL /hEvent/, NULL /pfnApc/, NULL /pvApcCtx/, &Ios,
662	(ULONG)uFunction,
663	pvReq /pvInput /, pHdr->cbIn /* cbInput */,
664	pvReq /pvOutput/, pHdr->cbOut /* cbOutput */);
665	if (NT_SUCCESS(rcNt))
666	{
667	if (NT_SUCCESS(Ios.Status))
668	return VINF_SUCCESS;
669	rcNt = Ios.Status;
670	}
671	return suplibConvertNtStatus(rcNt);
672
673	# else
674	DWORD cbReturned = (ULONG)pHdr->cbOut;
675	if (DeviceIoControl((HANDLE)pThis->hDevice, uFunction, pvReq, pHdr->cbIn, pvReq, cbReturned, &cbReturned, NULL))
676	return 0;
677	return suplibConvertWin32Err(GetLastError());
678	# endif
679	}
680
681
682	int suplibOsIOCtlFast(PSUPLIBDATA pThis, uintptr_t uFunction, uintptr_t idCpu)
683	{
684	/*
685	* Issue device I/O control.
686	*/
687	# ifdef USE_NT_DEVICE_IO_CONTROL_FILE
688	IO_STATUS_BLOCK Ios;
689	Ios.Status = -1;
690	Ios.Information = 0;
691	NTSTATUS rcNt = NtDeviceIoControlFile((HANDLE)pThis->hDevice, NULL /hEvent/, NULL /pfnApc/, NULL /pvApcCtx/, &Ios,
692	(ULONG)uFunction,
693	NULL /pvInput /, 0 /* cbInput */,
694	(PVOID)idCpu /pvOutput/, 0 /* cbOutput */);
695	if (NT_SUCCESS(rcNt))
696	{
697	if (NT_SUCCESS(Ios.Status))
698	return VINF_SUCCESS;
699	rcNt = Ios.Status;
700	}
701	return suplibConvertNtStatus(rcNt);
702	# else
703	DWORD cbReturned = 0;
704	if (DeviceIoControl((HANDLE)pThis->hDevice, uFunction, NULL, 0, (LPVOID)idCpu, 0, &cbReturned, NULL))
705	return VINF_SUCCESS;
706	return suplibConvertWin32Err(GetLastError());
707	# endif
708	}
709
710
711	int suplibOsPageAlloc(PSUPLIBDATA pThis, size_t cPages, void **ppvPages)
712	{
713	NOREF(pThis);
714	*ppvPages = VirtualAlloc(NULL, (size_t)cPages << PAGE_SHIFT, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
715	if (*ppvPages)
716	return VINF_SUCCESS;
717	return RTErrConvertFromWin32(GetLastError());
718	}
719
720
721	int suplibOsPageFree(PSUPLIBDATA pThis, void pvPages, size_t / cPages */)
722	{
723	NOREF(pThis);
724	if (VirtualFree(pvPages, 0, MEM_RELEASE))
725	return VINF_SUCCESS;
726	return RTErrConvertFromWin32(GetLastError());
727	}
728
729
730	# ifndef USE_NT_DEVICE_IO_CONTROL_FILE
731	/**
732	* Converts a supdrv win32 error code to an IPRT status code.
733	*
734	* @returns corresponding IPRT error code.
735	* @param rc Win32 error code.
736	*/
737	static int suplibConvertWin32Err(int rc)
738	{
739	/* Conversion program (link with ntdll.lib from ddk):
740	#define _WIN32_WINNT 0x0501
741	#include <windows.h>
742	#include <ntstatus.h>
743	#include <winternl.h>
744	#include <stdio.h>
745
746	int main()
747	{
748	#define CONVERT(a) printf(#a " %#x -> %d\n", a, RtlNtStatusToDosError((a)))
749	CONVERT(STATUS_SUCCESS);
750	CONVERT(STATUS_NOT_SUPPORTED);
751	CONVERT(STATUS_INVALID_PARAMETER);
752	CONVERT(STATUS_UNKNOWN_REVISION);
753	CONVERT(STATUS_INVALID_HANDLE);
754	CONVERT(STATUS_INVALID_ADDRESS);
755	CONVERT(STATUS_NOT_LOCKED);
756	CONVERT(STATUS_IMAGE_ALREADY_LOADED);
757	CONVERT(STATUS_ACCESS_DENIED);
758	CONVERT(STATUS_REVISION_MISMATCH);
759
760	return 0;
761	}
762	*/
763
764	switch (rc)
765	{
766	//case 0: return STATUS_SUCCESS;
767	case 0: return VINF_SUCCESS;
768	case ERROR_NOT_SUPPORTED: return VERR_GENERAL_FAILURE;
769	case ERROR_INVALID_PARAMETER: return VERR_INVALID_PARAMETER;
770	case ERROR_UNKNOWN_REVISION: return VERR_INVALID_MAGIC;
771	case ERROR_INVALID_HANDLE: return VERR_INVALID_HANDLE;
772	case ERROR_UNEXP_NET_ERR: return VERR_INVALID_POINTER;
773	case ERROR_NOT_LOCKED: return VERR_LOCK_FAILED;
774	case ERROR_SERVICE_ALREADY_RUNNING: return VERR_ALREADY_LOADED;
775	case ERROR_ACCESS_DENIED: return VERR_PERMISSION_DENIED;
776	case ERROR_REVISION_MISMATCH: return VERR_VERSION_MISMATCH;
777	}
778
779	/* fall back on the default conversion. */
780	return RTErrConvertFromWin32(rc);
781	}
782	# else
783	/**
784	* Reverse of VBoxDrvNtErr2NtStatus
785	* returns VBox status code.
786	* @param rcNt NT status code.
787	*/
788	static int suplibConvertNtStatus(NTSTATUS rcNt)
789	{
790	switch (rcNt)
791	{
792	case STATUS_SUCCESS: return VINF_SUCCESS;
793	case STATUS_NOT_SUPPORTED: return VERR_GENERAL_FAILURE;
794	case STATUS_INVALID_PARAMETER: return VERR_INVALID_PARAMETER;
795	case STATUS_UNKNOWN_REVISION: return VERR_INVALID_MAGIC;
796	case STATUS_INVALID_HANDLE: return VERR_INVALID_HANDLE;
797	case STATUS_INVALID_ADDRESS: return VERR_INVALID_POINTER;
798	case STATUS_NOT_LOCKED: return VERR_LOCK_FAILED;
799	case STATUS_IMAGE_ALREADY_LOADED: return VERR_ALREADY_LOADED;
800	case STATUS_ACCESS_DENIED: return VERR_PERMISSION_DENIED;
801	case STATUS_REVISION_MISMATCH: return VERR_VERSION_MISMATCH;
802	}
803
804	/* See VBoxDrvNtErr2NtStatus. */
805	if (SUP_NT_STATUS_IS_VBOX(rcNt))
806	return SUP_NT_STATUS_TO_VBOX(rcNt);
807
808	/* Fall back on IPRT for the rest. */
809	return RTErrConvertFromNtStatus(rcNt);
810	}
811	# endif
812
813	#endif /* !IN_SUP_HARDENED_R3 */
814

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source: vbox/trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp@ 53002

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