VBoxUSBMon-solaris.c@ 93115

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1	/* $Id: VBoxUSBMon-solaris.c 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* VirtualBox USB Monitor Driver, Solaris Hosts.
4	*/
5
6	/*
7	* Copyright (C) 2008-2022 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	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#define LOG_GROUP LOG_GROUP_USB_DRV
32	#include "VBoxUSBFilterMgr.h"
33	#include <VBox/usblib-solaris.h>
34	#include <VBox/version.h>
35	#include <VBox/log.h>
36	#include <VBox/cdefs.h>
37	#include <VBox/types.h>
38	#include <VBox/version.h>
39	#include <iprt/assert.h>
40	#include <iprt/err.h>
41	#include <iprt/initterm.h>
42	#include <iprt/mem.h>
43	#include <iprt/process.h>
44	#include <iprt/path.h>
45	#include <iprt/semaphore.h>
46	#include <iprt/string.h>
47
48	#define USBDRV_MAJOR_VER 2
49	#define USBDRV_MINOR_VER 0
50	#include <sys/usb/usba.h>
51	#include <sys/conf.h>
52	#include <sys/modctl.h>
53	#include <sys/mutex.h>
54	#include <sys/stat.h>
55	#include <sys/ddi.h>
56	#include <sys/sunddi.h>
57	#include <sys/sunndi.h>
58	#include <sys/open.h>
59	#include <sys/cmn_err.h>
60
61
62	/*********************************************************************************************************************************
63	* Defined Constants And Macros *
64	*********************************************************************************************************************************/
65	/** The module name. */
66	#define DEVICE_NAME "vboxusbmon"
67	/** The module description as seen in 'modinfo'. */
68	#define DEVICE_DESC_DRV "VirtualBox USBMon"
69
70
71	/*********************************************************************************************************************************
72	* Internal Functions *
73	*********************************************************************************************************************************/
74	static int VBoxUSBMonSolarisOpen(dev_t pDev, int fFlag, int fType, cred_t pCred);
75	static int VBoxUSBMonSolarisClose(dev_t Dev, int fFlag, int fType, cred_t *pCred);
76	static int VBoxUSBMonSolarisRead(dev_t Dev, struct uio pUio, cred_t pCred);
77	static int VBoxUSBMonSolarisWrite(dev_t Dev, struct uio pUio, cred_t pCred);
78	static int VBoxUSBMonSolarisIOCtl(dev_t Dev, int Cmd, intptr_t pArg, int Mode, cred_t pCred, int pVal);
79	static int VBoxUSBMonSolarisGetInfo(dev_info_t pDip, ddi_info_cmd_t enmCmd, void pArg, void **ppResult);
80	static int VBoxUSBMonSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd);
81	static int VBoxUSBMonSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd);
82
83
84	/*********************************************************************************************************************************
85	* Structures and Typedefs *
86	*********************************************************************************************************************************/
87	/**
88	* cb_ops: for drivers that support char/block entry points
89	*/
90	static struct cb_ops g_VBoxUSBMonSolarisCbOps =
91	{
92	VBoxUSBMonSolarisOpen,
93	VBoxUSBMonSolarisClose,
94	nodev, /* b strategy */
95	nodev, /* b dump */
96	nodev, /* b print */
97	VBoxUSBMonSolarisRead,
98	VBoxUSBMonSolarisWrite,
99	VBoxUSBMonSolarisIOCtl,
100	nodev, /* c devmap */
101	nodev, /* c mmap */
102	nodev, /* c segmap */
103	nochpoll, /* c poll */
104	ddi_prop_op, /* property ops */
105	NULL, /* streamtab */
106	D_NEW \| D_MP, /* compat. flag */
107	CB_REV /* revision */
108	};
109
110	/**
111	* dev_ops: for driver device operations
112	*/
113	static struct dev_ops g_VBoxUSBMonSolarisDevOps =
114	{
115	DEVO_REV, /* driver build revision */
116	0, /* ref count */
117	VBoxUSBMonSolarisGetInfo,
118	nulldev, /* identify */
119	nulldev, /* probe */
120	VBoxUSBMonSolarisAttach,
121	VBoxUSBMonSolarisDetach,
122	nodev, /* reset */
123	&g_VBoxUSBMonSolarisCbOps,
124	(struct bus_ops *)0,
125	nodev, /* power */
126	ddi_quiesce_not_needed
127	};
128
129	/**
130	* modldrv: export driver specifics to the kernel
131	*/
132	static struct modldrv g_VBoxUSBMonSolarisModule =
133	{
134	&mod_driverops, /* extern from kernel */
135	DEVICE_DESC_DRV " " VBOX_VERSION_STRING "r" RT_XSTR(VBOX_SVN_REV),
136	&g_VBoxUSBMonSolarisDevOps
137	};
138
139	/**
140	* modlinkage: export install/remove/info to the kernel
141	*/
142	static struct modlinkage g_VBoxUSBMonSolarisModLinkage =
143	{
144	MODREV_1,
145	&g_VBoxUSBMonSolarisModule,
146	NULL,
147	};
148
149	/**
150	* Client driver info.
151	*/
152	typedef struct vboxusbmon_client_t
153	{
154	dev_info_t pDip; / Client device info. pointer */
155	VBOXUSB_CLIENT_INFO Info; /* Client registration data. */
156	struct vboxusbmon_client_t pNext; / Pointer to next client */
157	} vboxusbmon_client_t;
158
159	/**
160	* Device state info.
161	*/
162	typedef struct
163	{
164	RTPROCESS Process; /* The process (id) of the session */
165	} vboxusbmon_state_t;
166
167
168	/*********************************************************************************************************************************
169	* Global Variables *
170	*********************************************************************************************************************************/
171	/** Global Device handle we only support one instance. */
172	static dev_info_t *g_pDip = NULL;
173	/** Global Mutex. */
174	static kmutex_t g_VBoxUSBMonSolarisMtx;
175	/** Global list of client drivers registered with us. */
176	vboxusbmon_client_t *g_pVBoxUSBMonSolarisClients = NULL;
177	/** Opaque pointer to list of soft states. */
178	static void *g_pVBoxUSBMonSolarisState;
179
180
181	/*********************************************************************************************************************************
182	* Internal Functions *
183	*********************************************************************************************************************************/
184	static int vboxUSBMonSolarisProcessIOCtl(int iFunction, void pvState, void pvData, size_t cbData, size_t *pcbReturnedData);
185	static int vboxUSBMonSolarisResetDevice(char *pszDevicePath, bool fReattach);
186
187
188	/*********************************************************************************************************************************
189	* Monitor Global Hooks *
190	*********************************************************************************************************************************/
191	static int vboxUSBMonSolarisClientInfo(vboxusbmon_state_t *pState, PVBOXUSB_CLIENT_INFO pClientInfo);
192	int VBoxUSBMonSolarisRegisterClient(dev_info_t *pClientDip, PVBOXUSB_CLIENT_INFO pClientInfo);
193	int VBoxUSBMonSolarisUnregisterClient(dev_info_t *pClientDip);
194	int VBoxUSBMonSolarisElectDriver(usb_dev_descr_t pDevDesc, usb_dev_str_t pDevStrings, char *pszDevicePath, int Bus, int Port,
195	char *ppszDrv, void pvReserved);
196
197
198	/**
199	* Kernel entry points
200	*/
201	int _init(void)
202	{
203	int rc;
204
205	LogFunc((DEVICE_NAME ": _init\n"));
206
207	g_pDip = NULL;
208
209	/*
210	* Prevent module autounloading.
211	*/
212	modctl_t *pModCtl = mod_getctl(&g_VBoxUSBMonSolarisModLinkage);
213	if (pModCtl)
214	pModCtl->mod_loadflags \|= MOD_NOAUTOUNLOAD;
215	else
216	LogRel((DEVICE_NAME ": _init: Failed to disable autounloading!\n"));
217
218	/*
219	* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
220	*/
221	rc = RTR0Init(0);
222	if (RT_SUCCESS(rc))
223	{
224	/*
225	* Initialize global mutex.
226	*/
227	mutex_init(&g_VBoxUSBMonSolarisMtx, NULL, MUTEX_DRIVER, NULL);
228	rc = VBoxUSBFilterInit();
229	if (RT_SUCCESS(rc))
230	{
231	rc = ddi_soft_state_init(&g_pVBoxUSBMonSolarisState, sizeof(vboxusbmon_state_t), 1);
232	if (!rc)
233	{
234	rc = mod_install(&g_VBoxUSBMonSolarisModLinkage);
235	if (!rc)
236	return rc;
237
238	LogRel((DEVICE_NAME ": _init: mod_install failed! rc=%d\n", rc));
239	ddi_soft_state_fini(&g_pVBoxUSBMonSolarisState);
240	}
241	else
242	LogRel((DEVICE_NAME ": _init: ddi_soft_state_init failed! rc=%d\n", rc));
243	}
244	else
245	LogRel((DEVICE_NAME ": _init: VBoxUSBFilterInit failed! rc=%d\n", rc));
246
247	mutex_destroy(&g_VBoxUSBMonSolarisMtx);
248	RTR0Term();
249	}
250	else
251	LogRel((DEVICE_NAME ": _init: RTR0Init failed! rc=%d\n", rc));
252
253	return -1;
254	}
255
256
257	int _fini(void)
258	{
259	int rc;
260
261	LogFunc((DEVICE_NAME ": _fini\n"));
262
263	rc = mod_remove(&g_VBoxUSBMonSolarisModLinkage);
264	if (!rc)
265	{
266	ddi_soft_state_fini(&g_pVBoxUSBMonSolarisState);
267	VBoxUSBFilterTerm();
268	mutex_destroy(&g_VBoxUSBMonSolarisMtx);
269
270	RTR0Term();
271	}
272	return rc;
273	}
274
275
276	int _info(struct modinfo *pModInfo)
277	{
278	LogFunc((DEVICE_NAME ": _info\n"));
279
280	return mod_info(&g_VBoxUSBMonSolarisModLinkage, pModInfo);
281	}
282
283
284	/**
285	* Attach entry point, to attach a device to the system or resume it.
286	*
287	* @param pDip The module structure instance.
288	* @param enmCmd Attach type (ddi_attach_cmd_t)
289	*
290	* @returns corresponding solaris error code.
291	*/
292	static int VBoxUSBMonSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd)
293	{
294	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisAttach: pDip=%p enmCmd=%d\n", pDip, enmCmd));
295	switch (enmCmd)
296	{
297	case DDI_ATTACH:
298	{
299	if (RT_UNLIKELY(g_pDip))
300	{
301	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisAttach: Global instance already initialized\n"));
302	return DDI_FAILURE;
303	}
304
305	g_pDip = pDip;
306	int rc = ddi_create_priv_minor_node(pDip, DEVICE_NAME, S_IFCHR, 0 /* instance /, DDI_PSEUDO, 0 / flags */,
307	"none", "none", 0660);
308	if (rc == DDI_SUCCESS)
309	{
310	rc = usb_register_dev_driver(g_pDip, VBoxUSBMonSolarisElectDriver);
311	if (rc == DDI_SUCCESS)
312	{
313	ddi_report_dev(pDip);
314	return DDI_SUCCESS;
315	}
316
317	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisAttach: Failed to register driver election callback! rc=%d\n", rc));
318	}
319	else
320	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisAttach: ddi_create_minor_node failed! rc=%d\n", rc));
321	return DDI_FAILURE;
322	}
323
324	case DDI_RESUME:
325	{
326	/* We don't have to bother about power management. */
327	return DDI_SUCCESS;
328	}
329
330	default:
331	return DDI_FAILURE;
332	}
333	}
334
335
336	/**
337	* Detach entry point, to detach a device to the system or suspend it.
338	*
339	* @param pDip The module structure instance.
340	* @param enmCmd Attach type (ddi_attach_cmd_t)
341	*
342	* @returns corresponding solaris error code.
343	*/
344	static int VBoxUSBMonSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
345	{
346	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisDetach\n"));
347
348	switch (enmCmd)
349	{
350	case DDI_DETACH:
351	{
352	/*
353	* Free all registered clients' info.
354	*/
355	mutex_enter(&g_VBoxUSBMonSolarisMtx);
356	vboxusbmon_client_t *pCur = g_pVBoxUSBMonSolarisClients;
357	while (pCur)
358	{
359	vboxusbmon_client_t *pNext = pCur->pNext;
360	RTMemFree(pCur);
361	pCur = pNext;
362	}
363	mutex_exit(&g_VBoxUSBMonSolarisMtx);
364
365	usb_unregister_dev_driver(g_pDip);
366
367	ddi_remove_minor_node(pDip, NULL);
368	g_pDip = NULL;
369	return DDI_SUCCESS;
370	}
371
372	case DDI_SUSPEND:
373	{
374	/* We don't have to bother about power management. */
375	return DDI_SUCCESS;
376	}
377
378	default:
379	return DDI_FAILURE;
380	}
381	}
382
383
384	/**
385	* Info entry point, called by solaris kernel for obtaining driver info.
386	*
387	* @param pDip The module structure instance (do not use).
388	* @param enmCmd Information request type.
389	* @param pvArg Type specific argument.
390	* @param ppvResult Where to store the requested info.
391	*
392	* @returns corresponding solaris error code.
393	*/
394	static int VBoxUSBMonSolarisGetInfo(dev_info_t pDip, ddi_info_cmd_t enmCmd, void pvArg, void **ppvResult)
395	{
396	int rc = DDI_SUCCESS;
397
398	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisGetInfo\n"));
399
400	switch (enmCmd)
401	{
402	case DDI_INFO_DEVT2DEVINFO:
403	{
404	ppvResult = (void )g_pDip;
405	if (!*ppvResult)
406	rc = DDI_FAILURE;
407	break;
408	}
409
410	case DDI_INFO_DEVT2INSTANCE:
411	{
412	/* There can only be a single-instance of this driver and thus its instance number is 0. */
413	ppvResult = (void )0;
414	break;
415	}
416
417	default:
418	rc = DDI_FAILURE;
419	break;
420	}
421	return rc;
422	}
423
424
425	static int VBoxUSBMonSolarisOpen(dev_t pDev, int fFlag, int fType, cred_t pCred)
426	{
427	vboxusbmon_state_t *pState = NULL;
428	unsigned iOpenInstance;
429
430	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisOpen\n"));
431
432	/*
433	* Verify we are being opened as a character device.
434	*/
435	if (fType != OTYP_CHR)
436	return EINVAL;
437
438	/*
439	* Verify that we're called after attach.
440	*/
441	if (!g_pDip)
442	{
443	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisOpen: Invalid state for opening\n"));
444	return ENXIO;
445	}
446
447	for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
448	{
449	if ( !ddi_get_soft_state(g_pVBoxUSBMonSolarisState, iOpenInstance) /* faster */
450	&& ddi_soft_state_zalloc(g_pVBoxUSBMonSolarisState, iOpenInstance) == DDI_SUCCESS)
451	{
452	pState = ddi_get_soft_state(g_pVBoxUSBMonSolarisState, iOpenInstance);
453	break;
454	}
455	}
456	if (!pState)
457	{
458	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisOpen: Too many open instances"));
459	return ENXIO;
460	}
461
462	pState->Process = RTProcSelf();
463	pDev = makedevice(getmajor(pDev), iOpenInstance);
464
465	NOREF(fFlag);
466	NOREF(pCred);
467
468	return 0;
469	}
470
471
472	static int VBoxUSBMonSolarisClose(dev_t Dev, int fFlag, int fType, cred_t *pCred)
473	{
474	vboxusbmon_state_t *pState = NULL;
475	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisClose\n"));
476
477	pState = ddi_get_soft_state(g_pVBoxUSBMonSolarisState, getminor(Dev));
478	if (!pState)
479	{
480	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisClose: Failed to get state\n"));
481	return EFAULT;
482	}
483
484	/*
485	* Remove all filters for this client process.
486	*/
487	VBoxUSBFilterRemoveOwner(pState->Process);
488
489	ddi_soft_state_free(g_pVBoxUSBMonSolarisState, getminor(Dev));
490	pState = NULL;
491
492	NOREF(fFlag);
493	NOREF(fType);
494	NOREF(pCred);
495
496	return 0;
497	}
498
499
500	static int VBoxUSBMonSolarisRead(dev_t Dev, struct uio pUio, cred_t pCred)
501	{
502	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisRead\n"));
503	return 0;
504	}
505
506
507	static int VBoxUSBMonSolarisWrite(dev_t Dev, struct uio pUio, cred_t pCred)
508	{
509	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisWrite\n"));
510	return 0;
511	}
512
513
514	/** @def IOCPARM_LEN
515	* Gets the length from the ioctl number.
516	* This is normally defined by sys/ioccom.h on BSD systems...
517	*/
518	#ifndef IOCPARM_LEN
519	# define IOCPARM_LEN(Code) (((Code) >> 16) & IOCPARM_MASK)
520	#endif
521
522	static int VBoxUSBMonSolarisIOCtl(dev_t Dev, int Cmd, intptr_t pArg, int Mode, cred_t pCred, int pVal)
523	{
524	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: Dev=%d Cmd=%d pArg=%p Mode=%d\n", Dev, Cmd, pArg));
525
526	/*
527	* Get the session from the soft state item.
528	*/
529	vboxusbmon_state_t *pState = ddi_get_soft_state(g_pVBoxUSBMonSolarisState, getminor(Dev));
530	if (!pState)
531	{
532	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: No state data for minor instance %d\n", getminor(Dev)));
533	return EINVAL;
534	}
535
536	/*
537	* Read the request wrapper. Though We don't really need wrapper struct. now
538	* it's room for the future as Solaris isn't generous regarding the size.
539	*/
540	VBOXUSBREQ ReqWrap;
541	if (IOCPARM_LEN(Cmd) != sizeof(ReqWrap))
542	{
543	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: bad request %#x size=%d expected=%d\n", Cmd, IOCPARM_LEN(Cmd),
544	sizeof(ReqWrap)));
545	return ENOTTY;
546	}
547
548	int rc = ddi_copyin((void *)pArg, &ReqWrap, sizeof(ReqWrap), Mode);
549	if (RT_UNLIKELY(rc))
550	{
551	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: ddi_copyin failed to read header pArg=%p Cmd=%d. rc=%d\n", pArg, Cmd, rc));
552	return EINVAL;
553	}
554
555	if (ReqWrap.u32Magic != VBOXUSBMON_MAGIC)
556	{
557	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: Bad magic %#x; pArg=%p Cmd=%d\n", ReqWrap.u32Magic, pArg, Cmd));
558	return EINVAL;
559	}
560	if (RT_UNLIKELY( ReqWrap.cbData == 0
561	\|\| ReqWrap.cbData > _1M*16))
562	{
563	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: Bad size %#x; pArg=%p Cmd=%d\n", ReqWrap.cbData, pArg, Cmd));
564	return EINVAL;
565	}
566
567	/*
568	* Read the request.
569	*/
570	void *pvBuf = RTMemTmpAlloc(ReqWrap.cbData);
571	if (RT_UNLIKELY(!pvBuf))
572	{
573	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: RTMemTmpAlloc failed to alloc %d bytes\n", ReqWrap.cbData));
574	return ENOMEM;
575	}
576
577	rc = ddi_copyin((void *)(uintptr_t)ReqWrap.pvDataR3, pvBuf, ReqWrap.cbData, Mode);
578	if (RT_UNLIKELY(rc))
579	{
580	RTMemTmpFree(pvBuf);
581	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: ddi_copyin failed; pvBuf=%p pArg=%p Cmd=%d. rc=%d\n", pvBuf, pArg, Cmd,
582	rc));
583	return EFAULT;
584	}
585	if (RT_UNLIKELY( ReqWrap.cbData != 0
586	&& !RT_VALID_PTR(pvBuf)))
587	{
588	RTMemTmpFree(pvBuf);
589	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: pvBuf Invalid pointer %p\n", pvBuf));
590	return EINVAL;
591	}
592	Log((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: pid=%d\n", (int)RTProcSelf()));
593
594	/*
595	* Process the IOCtl.
596	*/
597	size_t cbDataReturned = 0;
598	rc = vboxUSBMonSolarisProcessIOCtl(Cmd, pState, pvBuf, ReqWrap.cbData, &cbDataReturned);
599	ReqWrap.rc = rc;
600	rc = 0;
601
602	if (RT_UNLIKELY(cbDataReturned > ReqWrap.cbData))
603	{
604	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: Too much output data %d expected %d\n", cbDataReturned, ReqWrap.cbData));
605	cbDataReturned = ReqWrap.cbData;
606	}
607
608	ReqWrap.cbData = cbDataReturned;
609
610	/*
611	* Copy the request back to user space.
612	*/
613	rc = ddi_copyout(&ReqWrap, (void *)pArg, sizeof(ReqWrap), Mode);
614	if (RT_LIKELY(!rc))
615	{
616	/*
617	* Copy the payload (if any) back to user space.
618	*/
619	if (cbDataReturned > 0)
620	{
621	rc = ddi_copyout(pvBuf, (void *)(uintptr_t)ReqWrap.pvDataR3, cbDataReturned, Mode);
622	if (RT_UNLIKELY(rc))
623	{
624	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: ddi_copyout failed; pvBuf=%p pArg=%p Cmd=%d. rc=%d\n", pvBuf,
625	pArg, Cmd, rc));
626	rc = EFAULT;
627	}
628	}
629	}
630	else
631	{
632	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisIOCtl: ddi_copyout(1) failed pArg=%p Cmd=%d\n", pArg, Cmd));
633	rc = EFAULT;
634	}
635
636	*pVal = rc;
637	RTMemTmpFree(pvBuf);
638	return rc;
639	}
640
641
642	/**
643	* IOCtl processor for user to kernel and kernel to kernel communication.
644	*
645	* @returns VBox status code.
646	*
647	* @param iFunction The requested function.
648	* @param pvState Opaque pointer to driver state used for getting
649	* ring-3 process (Id).
650	* @param pvData The input/output data buffer. Can be NULL
651	* depending on the function.
652	* @param cbData The max size of the data buffer.
653	* @param pcbReturnedData Where to store the amount of returned data. Can
654	* be NULL.
655	*/
656	static int vboxUSBMonSolarisProcessIOCtl(int iFunction, void pvState, void pvData, size_t cbData, size_t *pcbReturnedData)
657	{
658	LogFunc((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: iFunction=%d pvBuf=%p cbBuf=%zu\n", iFunction, pvData, cbData));
659
660	AssertPtrReturn(pvState, VERR_INVALID_POINTER);
661	vboxusbmon_state_t pState = (vboxusbmon_state_t )pvState;
662	int rc;
663
664	#define CHECKRET_MIN_SIZE(mnemonic, cbMin) \
665	do { \
666	if (RT_UNLIKELY(cbData < (cbMin))) \
667	{ \
668	LogRel(("vboxUSBSolarisProcessIOCtl: " mnemonic ": cbData=%#zx (%zu) min is %#zx (%zu)\n", \
669	cbData, cbData, (size_t)(cbMin), (size_t)(cbMin))); \
670	return VERR_BUFFER_OVERFLOW; \
671	} \
672	if (RT_UNLIKELY((cbMin) != 0 && !RT_VALID_PTR(pvData))) \
673	{ \
674	LogRel(("vboxUSBSolarisProcessIOCtl: " mnemonic ": Invalid pointer %p\n", pvData)); \
675	return VERR_INVALID_POINTER; \
676	} \
677	} while (0)
678
679	switch (iFunction)
680	{
681	case VBOXUSBMON_IOCTL_ADD_FILTER:
682	{
683	CHECKRET_MIN_SIZE("ADD_FILTER", sizeof(VBOXUSBREQ_ADD_FILTER));
684
685	VBOXUSBREQ_ADD_FILTER pReq = (VBOXUSBREQ_ADD_FILTER )pvData;
686	PUSBFILTER pFilter = (PUSBFILTER)&pReq->Filter;
687
688	Log(("vboxUSBMonSolarisProcessIOCtl: idVendor=%#x idProduct=%#x bcdDevice=%#x bDeviceClass=%#x "
689	"bDeviceSubClass=%#x bDeviceProtocol=%#x bBus=%#x bPort=%#x\n",
690	USBFilterGetNum(pFilter, USBFILTERIDX_VENDOR_ID),
691	USBFilterGetNum(pFilter, USBFILTERIDX_PRODUCT_ID),
692	USBFilterGetNum(pFilter, USBFILTERIDX_DEVICE_REV),
693	USBFilterGetNum(pFilter, USBFILTERIDX_DEVICE_CLASS),
694	USBFilterGetNum(pFilter, USBFILTERIDX_DEVICE_SUB_CLASS),
695	USBFilterGetNum(pFilter, USBFILTERIDX_DEVICE_PROTOCOL),
696	USBFilterGetNum(pFilter, USBFILTERIDX_BUS),
697	USBFilterGetNum(pFilter, USBFILTERIDX_PORT)));
698	Log(("vboxUSBMonSolarisProcessIOCtl: Manufacturer=%s Product=%s Serial=%s\n",
699	USBFilterGetString(pFilter, USBFILTERIDX_MANUFACTURER_STR) ? USBFilterGetString(pFilter, USBFILTERIDX_MANUFACTURER_STR) : "<null>",
700	USBFilterGetString(pFilter, USBFILTERIDX_PRODUCT_STR) ? USBFilterGetString(pFilter, USBFILTERIDX_PRODUCT_STR) : "<null>",
701	USBFilterGetString(pFilter, USBFILTERIDX_SERIAL_NUMBER_STR) ? USBFilterGetString(pFilter, USBFILTERIDX_SERIAL_NUMBER_STR) : "<null>"));
702
703	rc = USBFilterSetMustBePresent(pFilter, USBFILTERIDX_BUS, false /* fMustBePresent */); AssertRC(rc);
704
705	rc = VBoxUSBFilterAdd(pFilter, pState->Process, &pReq->uId);
706	*pcbReturnedData = cbData;
707	Log((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: ADD_FILTER (Process:%d) returned %d\n", pState->Process, rc));
708	break;
709	}
710
711	case VBOXUSBMON_IOCTL_REMOVE_FILTER:
712	{
713	CHECKRET_MIN_SIZE("REMOVE_FILTER", sizeof(VBOXUSBREQ_REMOVE_FILTER));
714
715	VBOXUSBREQ_REMOVE_FILTER pReq = (VBOXUSBREQ_REMOVE_FILTER )pvData;
716	rc = VBoxUSBFilterRemove(pState->Process, (uintptr_t)pReq->uId);
717	*pcbReturnedData = 0;
718	Log((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: REMOVE_FILTER (Process:%d) returned %d\n", pState->Process, rc));
719	break;
720	}
721
722	case VBOXUSBMON_IOCTL_RESET_DEVICE:
723	{
724	CHECKRET_MIN_SIZE("RESET_DEVICE", sizeof(VBOXUSBREQ_RESET_DEVICE));
725
726	VBOXUSBREQ_RESET_DEVICE pReq = (VBOXUSBREQ_RESET_DEVICE )pvData;
727	rc = vboxUSBMonSolarisResetDevice(pReq->szDevicePath, pReq->fReattach);
728	*pcbReturnedData = 0;
729	Log((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: RESET_DEVICE (Process:%d) returned %d\n", pState->Process, rc));
730	break;
731	}
732
733	case VBOXUSBMON_IOCTL_CLIENT_INFO:
734	{
735	CHECKRET_MIN_SIZE("CLIENT_INFO", sizeof(VBOXUSBREQ_CLIENT_INFO));
736
737	VBOXUSBREQ_CLIENT_INFO pReq = (VBOXUSBREQ_CLIENT_INFO )pvData;
738	rc = vboxUSBMonSolarisClientInfo(pState, pReq);
739	*pcbReturnedData = cbData;
740	Log((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: CLIENT_INFO (Process:%d) returned %d\n", pState->Process, rc));
741	break;
742	}
743
744	case VBOXUSBMON_IOCTL_GET_VERSION:
745	{
746	CHECKRET_MIN_SIZE("GET_VERSION", sizeof(VBOXUSBREQ_GET_VERSION));
747
748	PVBOXUSBREQ_GET_VERSION pGetVersionReq = (PVBOXUSBREQ_GET_VERSION)pvData;
749	pGetVersionReq->u32Major = VBOXUSBMON_VERSION_MAJOR;
750	pGetVersionReq->u32Minor = VBOXUSBMON_VERSION_MINOR;
751	*pcbReturnedData = sizeof(VBOXUSBREQ_GET_VERSION);
752	rc = VINF_SUCCESS;
753	Log((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: GET_VERSION returned %d\n", rc));
754	break;
755	}
756
757	default:
758	{
759	LogRel((DEVICE_NAME ": vboxUSBMonSolarisProcessIOCtl: Unknown request (Process:%d) %#x\n", pState->Process,
760	iFunction));
761	*pcbReturnedData = 0;
762	rc = VERR_NOT_SUPPORTED;
763	break;
764	}
765	}
766	return rc;
767	}
768
769
770	static int vboxUSBMonSolarisResetDevice(char *pszDevicePath, bool fReattach)
771	{
772	int rc = VERR_GENERAL_FAILURE;
773
774	LogFunc((DEVICE_NAME ": vboxUSBMonSolarisResetDevice: pszDevicePath=%s fReattach=%d\n", pszDevicePath, fReattach));
775
776	/*
777	* Try grabbing the dev_info_t.
778	*/
779	dev_info_t *pDeviceInfo = e_ddi_hold_devi_by_path(pszDevicePath, 0);
780	if (pDeviceInfo)
781	{
782	ddi_release_devi(pDeviceInfo);
783
784	/*
785	* Grab the root device node from the parent hub for resetting.
786	*/
787	dev_info_t *pTmpDeviceInfo = NULL;
788	for (;;)
789	{
790	pTmpDeviceInfo = ddi_get_parent(pDeviceInfo);
791	if (!pTmpDeviceInfo)
792	{
793	LogRel((DEVICE_NAME ":vboxUSBMonSolarisResetDevice: Failed to get parent device info for %s\n", pszDevicePath));
794	return VERR_GENERAL_FAILURE;
795	}
796
797	if (ddi_prop_exists(DDI_DEV_T_ANY, pTmpDeviceInfo, DDI_PROP_DONTPASS, "usb-port-count")) /* parent hub */
798	break;
799
800	pDeviceInfo = pTmpDeviceInfo;
801	}
802
803	/*
804	* Try re-enumerating the device.
805	*/
806	rc = usb_reset_device(pDeviceInfo, fReattach ? USB_RESET_LVL_REATTACH : USB_RESET_LVL_DEFAULT);
807	Log((DEVICE_NAME ": vboxUSBMonSolarisResetDevice: usb_reset_device for %s level=%s rc=%d\n", pszDevicePath,
808	fReattach ? "ReAttach" : "Default", rc));
809
810	switch (rc)
811	{
812	case USB_SUCCESS: rc = VINF_SUCCESS; break;
813	case USB_INVALID_PERM: rc = VERR_PERMISSION_DENIED; break;
814	case USB_INVALID_ARGS: rc = VERR_INVALID_PARAMETER; break;
815	case USB_BUSY: rc = VERR_RESOURCE_BUSY; break;
816	case USB_INVALID_CONTEXT: rc = VERR_INVALID_CONTEXT; break;
817	case USB_FAILURE: rc = VERR_GENERAL_FAILURE; break;
818
819	default: rc = VERR_UNRESOLVED_ERROR; break;
820	}
821	}
822	else
823	{
824	rc = VERR_INVALID_HANDLE;
825	LogRel((DEVICE_NAME ": vboxUSBMonSolarisResetDevice: Cannot obtain device info for %s\n", pszDevicePath));
826	}
827
828	return rc;
829	}
830
831
832	/**
833	* Query client driver information. This also has a side-effect that it informs
834	* the client driver which upcoming VM process should be allowed to open it.
835	*
836	* @returns VBox status code.
837	* @param pState Pointer to the device state.
838	* @param pClientInfo Pointer to the client info. object.
839	*/
840	static int vboxUSBMonSolarisClientInfo(vboxusbmon_state_t *pState, PVBOXUSB_CLIENT_INFO pClientInfo)
841	{
842	LogFunc((DEVICE_NAME ": vboxUSBMonSolarisClientInfo: pState=%p pClientInfo=%p\n", pState, pClientInfo));
843
844	AssertPtrReturn(pState, VERR_INVALID_POINTER);
845	AssertPtrReturn(pClientInfo, VERR_INVALID_POINTER);
846
847	mutex_enter(&g_VBoxUSBMonSolarisMtx);
848	vboxusbmon_client_t *pCur = g_pVBoxUSBMonSolarisClients;
849	vboxusbmon_client_t *pPrev = NULL;
850	while (pCur)
851	{
852	if (strncmp(pClientInfo->szDeviceIdent, pCur->Info.szDeviceIdent, sizeof(pCur->Info.szDeviceIdent) - 1) == 0)
853	{
854	pClientInfo->Instance = pCur->Info.Instance;
855	RTStrPrintf(pClientInfo->szClientPath, sizeof(pClientInfo->szClientPath), "%s", pCur->Info.szClientPath);
856
857	/*
858	* Inform the client driver that this is the client process that is going to open it. We can predict the future!
859	*/
860	int rc;
861	if (pCur->Info.pfnSetConsumerCredentials)
862	{
863	rc = pCur->Info.pfnSetConsumerCredentials(pState->Process, pCur->Info.Instance, NULL /* pvReserved */);
864	if (RT_FAILURE(rc))
865	LogRel((DEVICE_NAME ": vboxUSBMonSolarisClientInfo: pfnSetConsumerCredentials failed! rc=%d\n", rc));
866	}
867	else
868	rc = VERR_INVALID_FUNCTION;
869
870	mutex_exit(&g_VBoxUSBMonSolarisMtx);
871
872	Log((DEVICE_NAME ": vboxUSBMonSolarisClientInfo: Found %s, rc=%d\n", pClientInfo->szDeviceIdent, rc));
873	return rc;
874	}
875	pPrev = pCur;
876	pCur = pCur->pNext;
877	}
878
879	mutex_exit(&g_VBoxUSBMonSolarisMtx);
880
881	LogRel((DEVICE_NAME ": vboxUSBMonSolarisClientInfo: Failed to find client %s\n", pClientInfo->szDeviceIdent));
882	return VERR_NOT_FOUND;
883	}
884
885
886	/**
887	* Registers client driver.
888	*
889	* @returns VBox status code.
890	*/
891	int VBoxUSBMonSolarisRegisterClient(dev_info_t *pClientDip, PVBOXUSB_CLIENT_INFO pClientInfo)
892	{
893	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisRegisterClient: pClientDip=%p pClientInfo=%p\n", pClientDip, pClientInfo));
894	AssertPtrReturn(pClientInfo, VERR_INVALID_PARAMETER);
895
896	if (RT_LIKELY(g_pDip))
897	{
898	vboxusbmon_client_t *pClient = RTMemAllocZ(sizeof(vboxusbmon_client_t));
899	if (RT_LIKELY(pClient))
900	{
901	pClient->Info.Instance = pClientInfo->Instance;
902	strncpy(pClient->Info.szClientPath, pClientInfo->szClientPath, sizeof(pClient->Info.szClientPath));
903	strncpy(pClient->Info.szDeviceIdent, pClientInfo->szDeviceIdent, sizeof(pClient->Info.szDeviceIdent));
904	pClient->Info.pfnSetConsumerCredentials = pClientInfo->pfnSetConsumerCredentials;
905	pClient->pDip = pClientDip;
906
907	mutex_enter(&g_VBoxUSBMonSolarisMtx);
908	pClient->pNext = g_pVBoxUSBMonSolarisClients;
909	g_pVBoxUSBMonSolarisClients = pClient;
910	mutex_exit(&g_VBoxUSBMonSolarisMtx);
911
912	Log((DEVICE_NAME ": Client registered (ClientPath=%s Ident=%s)\n", pClient->Info.szClientPath,
913	pClient->Info.szDeviceIdent));
914	return VINF_SUCCESS;
915	}
916	return VERR_NO_MEMORY;
917	}
918	return VERR_INVALID_STATE;
919	}
920
921
922	/**
923	* Deregisters client driver.
924	*
925	* @returns VBox status code.
926	*/
927	int VBoxUSBMonSolarisUnregisterClient(dev_info_t *pClientDip)
928	{
929	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisUnregisterClient: pClientDip=%p\n", pClientDip));
930	AssertReturn(pClientDip, VERR_INVALID_PARAMETER);
931
932	if (RT_LIKELY(g_pDip))
933	{
934	mutex_enter(&g_VBoxUSBMonSolarisMtx);
935
936	vboxusbmon_client_t *pCur = g_pVBoxUSBMonSolarisClients;
937	vboxusbmon_client_t *pPrev = NULL;
938	while (pCur)
939	{
940	if (pCur->pDip == pClientDip)
941	{
942	if (pPrev)
943	pPrev->pNext = pCur->pNext;
944	else
945	g_pVBoxUSBMonSolarisClients = pCur->pNext;
946
947	mutex_exit(&g_VBoxUSBMonSolarisMtx);
948
949	Log((DEVICE_NAME ": Client unregistered (ClientPath=%s Ident=%s)\n", pCur->Info.szClientPath,
950	pCur->Info.szDeviceIdent));
951	RTMemFree(pCur);
952	return VINF_SUCCESS;
953	}
954	pPrev = pCur;
955	pCur = pCur->pNext;
956	}
957
958	mutex_exit(&g_VBoxUSBMonSolarisMtx);
959
960	LogRel((DEVICE_NAME ": VBoxUSBMonSolarisUnregisterClient: Failed to find registered client %p\n", pClientDip));
961	return VERR_NOT_FOUND;
962	}
963	return VERR_INVALID_STATE;
964	}
965
966
967	/**
968	* USBA driver election callback.
969	*
970	* @returns USB_SUCCESS if we want to capture the device, USB_FAILURE otherwise.
971	* @param pDevDesc The parsed device descriptor (does not include subconfigs).
972	* @param pDevStrings Device strings: Manufacturer, Product, Serial Number.
973	* @param pszDevicePath The physical path of the device being attached.
974	* @param Bus The Bus number on which the device is on.
975	* @param Port The Port number on the bus.
976	* @param ppszDrv The name of the driver we wish to capture the device with.
977	* @param pvReserved Reserved for future use.
978	*/
979	int VBoxUSBMonSolarisElectDriver(usb_dev_descr_t pDevDesc, usb_dev_str_t pDevStrings, char *pszDevicePath, int Bus, int Port,
980	char *ppszDrv, void pvReserved)
981	{
982	LogFunc((DEVICE_NAME ": VBoxUSBMonSolarisElectDriver: pDevDesc=%p pDevStrings=%p pszDevicePath=%s Bus=%d Port=%d\n", pDevDesc,
983	pDevStrings, pszDevicePath, Bus, Port));
984
985	AssertPtrReturn(pDevDesc, USB_FAILURE);
986	AssertPtrReturn(pDevStrings, USB_FAILURE);
987
988	/*
989	* Create a filter from the device being attached.
990	*/
991	USBFILTER Filter;
992	USBFilterInit(&Filter, USBFILTERTYPE_CAPTURE);
993	USBFilterSetNumExact(&Filter, USBFILTERIDX_VENDOR_ID, pDevDesc->idVendor, true);
994	USBFilterSetNumExact(&Filter, USBFILTERIDX_PRODUCT_ID, pDevDesc->idProduct, true);
995	USBFilterSetNumExact(&Filter, USBFILTERIDX_DEVICE_REV, pDevDesc->bcdDevice, true);
996	USBFilterSetNumExact(&Filter, USBFILTERIDX_DEVICE_CLASS, pDevDesc->bDeviceClass, true);
997	USBFilterSetNumExact(&Filter, USBFILTERIDX_DEVICE_SUB_CLASS, pDevDesc->bDeviceSubClass, true);
998	USBFilterSetNumExact(&Filter, USBFILTERIDX_DEVICE_PROTOCOL, pDevDesc->bDeviceProtocol, true);
999	USBFilterSetNumExact(&Filter, USBFILTERIDX_BUS, 0x0 /* Bus /, true); / Use 0x0 as userland initFilterFromDevice function in Main: see comment on "SetMustBePresent" below */
1000	USBFilterSetNumExact(&Filter, USBFILTERIDX_PORT, Port, true);
1001	USBFilterSetStringExact(&Filter, USBFILTERIDX_MANUFACTURER_STR, pDevStrings->usb_mfg ? pDevStrings->usb_mfg : "",
1002	true /fMustBePresent/, true /fPurge/);
1003	USBFilterSetStringExact(&Filter, USBFILTERIDX_PRODUCT_STR, pDevStrings->usb_product ? pDevStrings->usb_product : "",
1004	true /fMustBePresent/, true /fPurge/);
1005	USBFilterSetStringExact(&Filter, USBFILTERIDX_SERIAL_NUMBER_STR, pDevStrings->usb_serialno ? pDevStrings->usb_serialno : "",
1006	true /fMustBePresent/, true /fPurge/);
1007
1008	/* This doesn't work like it should (USBFilterMatch fails on matching field (6) i.e. Bus despite this. Investigate later. */
1009	USBFilterSetMustBePresent(&Filter, USBFILTERIDX_BUS, false /* fMustBePresent */);
1010
1011	Log((DEVICE_NAME ": VBoxUSBMonSolarisElectDriver: idVendor=%#x idProduct=%#x bcdDevice=%#x bDeviceClass=%#x "
1012	"bDeviceSubClass=%#x bDeviceProtocol=%#x bBus=%#x bPort=%#x\n",
1013	USBFilterGetNum(&Filter, USBFILTERIDX_VENDOR_ID),
1014	USBFilterGetNum(&Filter, USBFILTERIDX_PRODUCT_ID),
1015	USBFilterGetNum(&Filter, USBFILTERIDX_DEVICE_REV),
1016	USBFilterGetNum(&Filter, USBFILTERIDX_DEVICE_CLASS),
1017	USBFilterGetNum(&Filter, USBFILTERIDX_DEVICE_SUB_CLASS),
1018	USBFilterGetNum(&Filter, USBFILTERIDX_DEVICE_PROTOCOL),
1019	USBFilterGetNum(&Filter, USBFILTERIDX_BUS),
1020	USBFilterGetNum(&Filter, USBFILTERIDX_PORT)));
1021	Log((DEVICE_NAME ": VBoxUSBMonSolarisElectDriver: Manufacturer=%s Product=%s Serial=%s\n",
1022	USBFilterGetString(&Filter, USBFILTERIDX_MANUFACTURER_STR) ? USBFilterGetString(&Filter, USBFILTERIDX_MANUFACTURER_STR) : "<null>",
1023	USBFilterGetString(&Filter, USBFILTERIDX_PRODUCT_STR) ? USBFilterGetString(&Filter, USBFILTERIDX_PRODUCT_STR) : "<null>",
1024	USBFilterGetString(&Filter, USBFILTERIDX_SERIAL_NUMBER_STR) ? USBFilterGetString(&Filter, USBFILTERIDX_SERIAL_NUMBER_STR) : "<null>"));
1025
1026	/*
1027	* Run through user filters and try to see if it has a match.
1028	*/
1029	uintptr_t uId = 0;
1030	RTPROCESS Owner = VBoxUSBFilterMatch(&Filter, &uId);
1031	USBFilterDelete(&Filter);
1032	if (Owner == NIL_RTPROCESS)
1033	{
1034	Log((DEVICE_NAME ": VBoxUSBMonSolarisElectDriver: No matching filters, device %#x:%#x uninteresting\n",
1035	pDevDesc->idVendor, pDevDesc->idProduct));
1036	return USB_FAILURE;
1037	}
1038
1039	*ppszDrv = ddi_strdup(VBOXUSB_DRIVER_NAME, KM_SLEEP);
1040	#if 0
1041	LogRel((DEVICE_NAME ": Capturing %s %s %#x:%#x:%s Bus=%d Port=%d\n",
1042	pDevStrings->usb_mfg ? pDevStrings->usb_mfg : "<Unknown Manufacturer>",
1043	pDevStrings->usb_product ? pDevStrings->usb_product : "<Unnamed USB device>",
1044	pDevDesc->idVendor, pDevDesc->idProduct, pszDevicePath, Bus, Port));
1045	#else
1046	/* Until IPRT R0 logging is fixed. See @bugref{6657#c7} */
1047	cmn_err(CE_CONT, "Capturing %s %s 0x%x:0x%x:%s Bus=%d Port=%d\n",
1048	pDevStrings->usb_mfg ? pDevStrings->usb_mfg : "<Unknown Manufacturer>",
1049	pDevStrings->usb_product ? pDevStrings->usb_product : "<Unnamed USB device>",
1050	pDevDesc->idVendor, pDevDesc->idProduct, pszDevicePath, Bus, Port);
1051	#endif
1052	return USB_SUCCESS;
1053	}
1054

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source: vbox/trunk/src/VBox/HostDrivers/VBoxUSB/solaris/VBoxUSBMon-solaris.c@ 93115

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