VBoxServiceVMInfo.cpp@ 44824

Last change on this file since 44824 was 44595, checked in by vboxsync, 12 years ago
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1	/* $Id: VBoxServiceVMInfo.cpp 44595 2013-02-08 09:40:06Z vboxsync $ */
2	/** @file
3	* VBoxService - Virtual Machine Information for the Host.
4	*/
5
6	/*
7	* Copyright (C) 2009-2012 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
18
19
20	/*******************************************************************************
21	* Header Files *
22	*******************************************************************************/
23	#ifdef RT_OS_WINDOWS
24	# ifdef TARGET_NT4 /* HACK ALERT! PMIB_IPSTATS undefined if 0x0400 with newer SDKs. */
25	# undef _WIN32_WINNT
26	# define _WIN32_WINNT 0x0500
27	# endif
28	# include <winsock2.h>
29	# include <iphlpapi.h>
30	# include <ws2tcpip.h>
31	# include <windows.h>
32	# include <Ntsecapi.h>
33	#else
34	# define __STDC_LIMIT_MACROS
35	# include <arpa/inet.h>
36	# include <errno.h>
37	# include <netinet/in.h>
38	# include <sys/ioctl.h>
39	# include <sys/socket.h>
40	# include <net/if.h>
41	# include <pwd.h> /* getpwuid */
42	# include <unistd.h>
43	# if !defined(RT_OS_OS2) && !defined(RT_OS_FREEBSD) && !defined(RT_OS_HAIKU)
44	# include <utmpx.h> /* @todo FreeBSD 9 should have this. */
45	# endif
46	# ifdef RT_OS_SOLARIS
47	# include <sys/sockio.h>
48	# include <net/if_arp.h>
49	# endif
50	# ifdef RT_OS_FREEBSD
51	# include <ifaddrs.h> /* getifaddrs, freeifaddrs */
52	# include <net/if_dl.h> /* LLADDR */
53	# include <netdb.h> /* getnameinfo */
54	# endif
55	# ifdef VBOX_WITH_DBUS
56	# include <VBox/dbus.h>
57	# endif
58	#endif
59
60	#include <iprt/mem.h>
61	#include <iprt/thread.h>
62	#include <iprt/string.h>
63	#include <iprt/semaphore.h>
64	#include <iprt/system.h>
65	#include <iprt/time.h>
66	#include <iprt/assert.h>
67	#include <VBox/version.h>
68	#include <VBox/VBoxGuestLib.h>
69	#include "VBoxServiceInternal.h"
70	#include "VBoxServiceUtils.h"
71	#include "VBoxServicePropCache.h"
72
73
74	/** Structure containing information about a location awarness
75	* client provided by the host. */
76	/** @todo Move this (and functions) into VbglR3. */
77	typedef struct VBOXSERVICELACLIENTINFO
78	{
79	uint32_t uID;
80	char *pszName;
81	char *pszLocation;
82	char *pszDomain;
83	bool fAttached;
84	uint64_t uAttachedTS;
85	} VBOXSERVICELACLIENTINFO, *PVBOXSERVICELACLIENTINFO;
86
87
88	/*******************************************************************************
89	* Global Variables *
90	*******************************************************************************/
91	/** The vminfo interval (milliseconds). */
92	static uint32_t g_cMsVMInfoInterval = 0;
93	/** The semaphore we're blocking on. */
94	static RTSEMEVENTMULTI g_hVMInfoEvent = NIL_RTSEMEVENTMULTI;
95	/** The guest property service client ID. */
96	static uint32_t g_uVMInfoGuestPropSvcClientID = 0;
97	/** Number of logged in users in OS. */
98	static uint32_t g_cVMInfoLoggedInUsers = UINT32_MAX;
99	/** The guest property cache. */
100	static VBOXSERVICEVEPROPCACHE g_VMInfoPropCache;
101	/** The VM session ID. Changes whenever the VM is restored or reset. */
102	static uint64_t g_idVMInfoSession;
103	/** The last attached locartion awareness (LA) client timestamp. */
104	static uint64_t g_LAClientAttachedTS = 0;
105	/** The current LA client info. */
106	static VBOXSERVICELACLIENTINFO g_LAClientInfo;
107
108
109	/*******************************************************************************
110	* Defines *
111	*******************************************************************************/
112	static const char *g_pszLAActiveClient = "/VirtualBox/HostInfo/VRDP/ActiveClient";
113
114	#ifdef VBOX_WITH_DBUS
115	/** ConsoleKit defines (taken from 0.4.5). */
116	#define CK_NAME "org.freedesktop.ConsoleKit"
117	#define CK_PATH "/org/freedesktop/ConsoleKit"
118	#define CK_INTERFACE "org.freedesktop.ConsoleKit"
119
120	#define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager"
121	#define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager"
122	#define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat"
123	#define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session"
124	#endif
125
126
127
128	/**
129	* Signals the event so that a re-enumeration of VM-specific
130	* information (like logged in users) can happen.
131	*
132	* @return IPRT status code.
133	*/
134	int VBoxServiceVMInfoSignal(void)
135	{
136	/* Trigger a re-enumeration of all logged-in users by unblocking
137	* the multi event semaphore of the VMInfo thread. */
138	if (g_hVMInfoEvent)
139	return RTSemEventMultiSignal(g_hVMInfoEvent);
140
141	return VINF_SUCCESS;
142	}
143
144
145	/** @copydoc VBOXSERVICE::pfnPreInit */
146	static DECLCALLBACK(int) VBoxServiceVMInfoPreInit(void)
147	{
148	return VINF_SUCCESS;
149	}
150
151
152	/** @copydoc VBOXSERVICE::pfnOption */
153	static DECLCALLBACK(int) VBoxServiceVMInfoOption(const char ppszShort, int argc, char argv, int *pi)
154	{
155	int rc = -1;
156	if (ppszShort)
157	/* no short options */;
158	else if (!strcmp(argv[*pi], "--vminfo-interval"))
159	rc = VBoxServiceArgUInt32(argc, argv, "", pi,
160	&g_cMsVMInfoInterval, 1, UINT32_MAX - 1);
161	return rc;
162	}
163
164
165	/** @copydoc VBOXSERVICE::pfnInit */
166	static DECLCALLBACK(int) VBoxServiceVMInfoInit(void)
167	{
168	/*
169	* If not specified, find the right interval default.
170	* Then create the event sem to block on.
171	*/
172	if (!g_cMsVMInfoInterval)
173	g_cMsVMInfoInterval = g_DefaultInterval * 1000;
174	if (!g_cMsVMInfoInterval)
175	{
176	/* Set it to 5s by default for location awareness checks. */
177	g_cMsVMInfoInterval = 5 * 1000;
178	}
179
180	int rc = RTSemEventMultiCreate(&g_hVMInfoEvent);
181	AssertRCReturn(rc, rc);
182
183	VbglR3GetSessionId(&g_idVMInfoSession);
184	/* The status code is ignored as this information is not available with VBox < 3.2.10. */
185
186	/* Initialize the LA client object. */
187	RT_ZERO(g_LAClientInfo);
188
189	rc = VbglR3GuestPropConnect(&g_uVMInfoGuestPropSvcClientID);
190	if (RT_SUCCESS(rc))
191	VBoxServiceVerbose(3, "Property Service Client ID: %#x\n", g_uVMInfoGuestPropSvcClientID);
192	else
193	{
194	/* If the service was not found, we disable this service without
195	causing VBoxService to fail. */
196	if (rc == VERR_HGCM_SERVICE_NOT_FOUND) /* Host service is not available. */
197	{
198	VBoxServiceVerbose(0, "Guest property service is not available, disabling the service\n");
199	rc = VERR_SERVICE_DISABLED;
200	}
201	else
202	VBoxServiceError("Failed to connect to the guest property service! Error: %Rrc\n", rc);
203	RTSemEventMultiDestroy(g_hVMInfoEvent);
204	g_hVMInfoEvent = NIL_RTSEMEVENTMULTI;
205	}
206
207	if (RT_SUCCESS(rc))
208	{
209	VBoxServicePropCacheCreate(&g_VMInfoPropCache, g_uVMInfoGuestPropSvcClientID);
210
211	/*
212	* Declare some guest properties with flags and reset values.
213	*/
214	VBoxServicePropCacheUpdateEntry(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/LoggedInUsersList",
215	VBOXSERVICEPROPCACHEFLAG_TEMPORARY \| VBOXSERVICEPROPCACHEFLAG_TRANSIENT, NULL /* Delete on exit */);
216	VBoxServicePropCacheUpdateEntry(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/LoggedInUsers",
217	VBOXSERVICEPROPCACHEFLAG_TEMPORARY \| VBOXSERVICEPROPCACHEFLAG_TRANSIENT, "0");
218	VBoxServicePropCacheUpdateEntry(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/NoLoggedInUsers",
219	VBOXSERVICEPROPCACHEFLAG_TEMPORARY \| VBOXSERVICEPROPCACHEFLAG_TRANSIENT, "true");
220	VBoxServicePropCacheUpdateEntry(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/Net/Count",
221	VBOXSERVICEPROPCACHEFLAG_TEMPORARY \| VBOXSERVICEPROPCACHEFLAG_ALWAYS_UPDATE, NULL /* Delete on exit */);
222	}
223	return rc;
224	}
225
226
227	/**
228	* Retrieves a specifiy client LA property.
229	*
230	* @return IPRT status code.
231	* @param uClientID LA client ID to retrieve property for.
232	* @param pszProperty Property (without path) to retrieve.
233	* @param ppszValue Where to store value of property.
234	* @param puTimestamp Timestamp of property to retrieve. Optional.
235	*/
236	static int vboxServiceGetLAClientValue(uint32_t uClientID, const char *pszProperty,
237	char *ppszValue, uint64_t puTimestamp)
238	{
239	AssertReturn(uClientID, VERR_INVALID_PARAMETER);
240	AssertPtrReturn(pszProperty, VERR_INVALID_POINTER);
241
242	int rc;
243
244	char pszClientPath[255];
245	if (RTStrPrintf(pszClientPath, sizeof(pszClientPath),
246	"/VirtualBox/HostInfo/VRDP/Client/%RU32/%s", uClientID, pszProperty))
247	{
248	rc = VBoxServiceReadHostProp(g_uVMInfoGuestPropSvcClientID, pszClientPath, true /* Read only */,
249	ppszValue, NULL /* Flags */, puTimestamp);
250	}
251	else
252	rc = VERR_NO_MEMORY;
253
254	return rc;
255	}
256
257
258	/**
259	* Retrieves LA client information. On success the returned structure will have allocated
260	* objects which need to be free'd with vboxServiceFreeLAClientInfo.
261	*
262	* @return IPRT status code.
263	* @param uClientID Client ID to retrieve information for.
264	* @param pClient Pointer where to store the client information.
265	*/
266	static int vboxServiceGetLAClientInfo(uint32_t uClientID, PVBOXSERVICELACLIENTINFO pClient)
267	{
268	AssertReturn(uClientID, VERR_INVALID_PARAMETER);
269	AssertPtrReturn(pClient, VERR_INVALID_POINTER);
270
271	int rc = vboxServiceGetLAClientValue(uClientID, "Name", &pClient->pszName,
272	NULL /* Timestamp */);
273	if (RT_SUCCESS(rc))
274	{
275	char *pszAttach;
276	rc = vboxServiceGetLAClientValue(uClientID, "Attach", &pszAttach,
277	&pClient->uAttachedTS);
278	if (RT_SUCCESS(rc))
279	{
280	AssertPtr(pszAttach);
281	pClient->fAttached = !RTStrICmp(pszAttach, "1") ? true : false;
282
283	RTStrFree(pszAttach);
284	}
285	}
286	if (RT_SUCCESS(rc))
287	rc = vboxServiceGetLAClientValue(uClientID, "Location", &pClient->pszLocation,
288	NULL /* Timestamp */);
289	if (RT_SUCCESS(rc))
290	rc = vboxServiceGetLAClientValue(uClientID, "Domain", &pClient->pszDomain,
291	NULL /* Timestamp */);
292	if (RT_SUCCESS(rc))
293	pClient->uID = uClientID;
294
295	return rc;
296	}
297
298
299	/**
300	* Frees all allocated LA client information of a structure.
301	*
302	* @param pClient Pointer to client information structure to free.
303	*/
304	static void vboxServiceFreeLAClientInfo(PVBOXSERVICELACLIENTINFO pClient)
305	{
306	if (pClient)
307	{
308	if (pClient->pszName)
309	{
310	RTStrFree(pClient->pszName);
311	pClient->pszName = NULL;
312	}
313	if (pClient->pszLocation)
314	{
315	RTStrFree(pClient->pszLocation);
316	pClient->pszLocation = NULL;
317	}
318	if (pClient->pszDomain)
319	{
320	RTStrFree(pClient->pszDomain);
321	pClient->pszDomain = NULL;
322	}
323	}
324	}
325
326
327	/**
328	* Writes the properties that won't change while the service is running.
329	*
330	* Errors are ignored.
331	*/
332	static void vboxserviceVMInfoWriteFixedProperties(void)
333	{
334	/*
335	* First get OS information that won't change.
336	*/
337	char szInfo[256];
338	int rc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szInfo, sizeof(szInfo));
339	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestInfo/OS/Product",
340	"%s", RT_FAILURE(rc) ? "" : szInfo);
341
342	rc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szInfo, sizeof(szInfo));
343	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestInfo/OS/Release",
344	"%s", RT_FAILURE(rc) ? "" : szInfo);
345
346	rc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, szInfo, sizeof(szInfo));
347	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestInfo/OS/Version",
348	"%s", RT_FAILURE(rc) ? "" : szInfo);
349
350	rc = RTSystemQueryOSInfo(RTSYSOSINFO_SERVICE_PACK, szInfo, sizeof(szInfo));
351	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestInfo/OS/ServicePack",
352	"%s", RT_FAILURE(rc) ? "" : szInfo);
353
354	/*
355	* Retrieve version information about Guest Additions and installed files (components).
356	*/
357	char *pszAddVer;
358	char *pszAddVerExt;
359	char *pszAddRev;
360	rc = VbglR3GetAdditionsVersion(&pszAddVer, &pszAddVerExt, &pszAddRev);
361	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestAdd/Version",
362	"%s", RT_FAILURE(rc) ? "" : pszAddVer);
363	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestAdd/VersionExt",
364	"%s", RT_FAILURE(rc) ? "" : pszAddVerExt);
365	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestAdd/Revision",
366	"%s", RT_FAILURE(rc) ? "" : pszAddRev);
367	if (RT_SUCCESS(rc))
368	{
369	RTStrFree(pszAddVer);
370	RTStrFree(pszAddVerExt);
371	RTStrFree(pszAddRev);
372	}
373
374	#ifdef RT_OS_WINDOWS
375	/*
376	* Do windows specific properties.
377	*/
378	char *pszInstDir;
379	rc = VbglR3GetAdditionsInstallationPath(&pszInstDir);
380	VBoxServiceWritePropF(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestAdd/InstallDir",
381	"%s", RT_FAILURE(rc) ? "" : pszInstDir);
382	if (RT_SUCCESS(rc))
383	RTStrFree(pszInstDir);
384
385	VBoxServiceWinGetComponentVersions(g_uVMInfoGuestPropSvcClientID);
386	#endif
387	}
388
389	#if defined(VBOX_WITH_DBUS) && defined(RT_OS_LINUX) /* Not yet for Solaris/FreeBSB. */
390	/*
391	* Simple wrapper to work around compiler-specific va_list madness.
392	*/
393	static dbus_bool_t vboxService_dbus_message_get_args(DBusMessage *message,
394	DBusError *error,
395	int first_arg_type,
396	...)
397	{
398	va_list va;
399	va_start(va, first_arg_type);
400	dbus_bool_t ret = dbus_message_get_args_valist(message, error,
401	first_arg_type, va);
402	va_end(va);
403	return ret;
404	}
405	#endif
406
407	/**
408	* Provide information about active users.
409	*/
410	static int vboxserviceVMInfoWriteUsers(void)
411	{
412	int rc = VINF_SUCCESS;
413	char *pszUserList = NULL;
414	uint32_t cUsersInList = 0;
415
416	#ifdef RT_OS_WINDOWS
417	# ifndef TARGET_NT4
418	rc = VBoxServiceVMInfoWinWriteUsers(&pszUserList, &cUsersInList);
419	# else
420	rc = VERR_NOT_IMPLEMENTED;
421	# endif
422
423	#elif defined(RT_OS_FREEBSD)
424	/** @todo FreeBSD: Port logged on user info retrieval.
425	* However, FreeBSD 9 supports utmpx, so we could use the code
426	* block below (?). */
427	rc = VERR_NOT_IMPLEMENTED;
428
429	#elif defined(RT_OS_HAIKU)
430	/** @todo Haiku: Port logged on user info retrieval. */
431	rc = VERR_NOT_IMPLEMENTED;
432
433	#elif defined(RT_OS_OS2)
434	/** @todo OS/2: Port logged on (LAN/local/whatever) user info retrieval. */
435	rc = VERR_NOT_IMPLEMENTED;
436
437	#else
438	setutxent();
439	utmpx *ut_user;
440	uint32_t cListSize = 32;
441
442	/* Allocate a first array to hold 32 users max. */
443	char papszUsers = (char )RTMemAllocZ(cListSize * sizeof(char *));
444	if (papszUsers == NULL)
445	rc = VERR_NO_MEMORY;
446
447	/* Process all entries in the utmp file.
448	* Note: This only handles */
449	while ( (ut_user = getutxent())
450	&& RT_SUCCESS(rc))
451	{
452	VBoxServiceVerbose(4, "Found entry \"%s\" (type: %d, PID: %RU32, session: %RU32)\n",
453	ut_user->ut_user, ut_user->ut_type, ut_user->ut_pid, ut_user->ut_session);
454	if (cUsersInList > cListSize)
455	{
456	cListSize += 32;
457	void pvNew = RTMemRealloc(papszUsers, cListSize sizeof(char*));
458	AssertPtrBreakStmt(pvNew, cListSize -= 32);
459	papszUsers = (char **)pvNew;
460	}
461
462	/* Make sure we don't add user names which are not
463	* part of type USER_PROCES. */
464	if (ut_user->ut_type == USER_PROCESS) /* Regular user process. */
465	{
466	bool fFound = false;
467	for (uint32_t i = 0; i < cUsersInList && !fFound; i++)
468	fFound = strcmp(papszUsers[i], ut_user->ut_user) == 0;
469
470	if (!fFound)
471	{
472	VBoxServiceVerbose(4, "Adding user \"%s\" (type: %d) to list\n",
473	ut_user->ut_user, ut_user->ut_type);
474
475	rc = RTStrDupEx(&papszUsers[cUsersInList], (const char *)ut_user->ut_user);
476	if (RT_FAILURE(rc))
477	break;
478	cUsersInList++;
479	}
480	}
481	}
482
483	#ifdef VBOX_WITH_DBUS
484	# if defined(RT_OS_LINUX) /* Not yet for Solaris/FreeBSB. */
485	DBusError dbErr;
486	DBusConnection *pConnection = NULL;
487	int rc2 = RTDBusLoadLib();
488	if (RT_SUCCESS(rc2))
489	{
490	/* Handle desktop sessions using ConsoleKit. */
491	VBoxServiceVerbose(4, "Checking ConsoleKit sessions ...\n");
492
493	dbus_error_init(&dbErr);
494	pConnection = dbus_bus_get(DBUS_BUS_SYSTEM, &dbErr);
495	}
496
497	if ( pConnection
498	&& !dbus_error_is_set(&dbErr))
499	{
500	/* Get all available sessions. */
501	DBusMessage *pMsgSessions = dbus_message_new_method_call("org.freedesktop.ConsoleKit",
502	"/org/freedesktop/ConsoleKit/Manager",
503	"org.freedesktop.ConsoleKit.Manager",
504	"GetSessions");
505	if ( pMsgSessions
506	&& (dbus_message_get_type(pMsgSessions) == DBUS_MESSAGE_TYPE_METHOD_CALL))
507	{
508	DBusMessage *pReplySessions = dbus_connection_send_with_reply_and_block(pConnection,
509	pMsgSessions, 30 * 1000 /* 30s timeout */,
510	&dbErr);
511	if ( pReplySessions
512	&& !dbus_error_is_set(&dbErr))
513	{
514	char **ppszSessions; int cSessions;
515	if ( (dbus_message_get_type(pMsgSessions) == DBUS_MESSAGE_TYPE_METHOD_CALL)
516	&& vboxService_dbus_message_get_args(pReplySessions, &dbErr, DBUS_TYPE_ARRAY,
517	DBUS_TYPE_OBJECT_PATH, &ppszSessions, &cSessions,
518	DBUS_TYPE_INVALID /* Termination */))
519	{
520	VBoxServiceVerbose(4, "ConsoleKit: retrieved %RU16 session(s)\n", cSessions);
521
522	char **ppszCurSession = ppszSessions;
523	for (ppszCurSession;
524	ppszCurSession && *ppszCurSession; ppszCurSession++)
525	{
526	VBoxServiceVerbose(4, "ConsoleKit: processing session '%s' ...\n", *ppszCurSession);
527
528	/* Only respect active sessions .*/
529	bool fActive = false;
530	DBusMessage *pMsgSessionActive = dbus_message_new_method_call("org.freedesktop.ConsoleKit",
531	*ppszCurSession,
532	"org.freedesktop.ConsoleKit.Session",
533	"IsActive");
534	if ( pMsgSessionActive
535	&& dbus_message_get_type(pMsgSessionActive) == DBUS_MESSAGE_TYPE_METHOD_CALL)
536	{
537	DBusMessage *pReplySessionActive = dbus_connection_send_with_reply_and_block(pConnection,
538	pMsgSessionActive, 30 * 1000 /* 30s timeout */,
539	&dbErr);
540	if ( pReplySessionActive
541	&& !dbus_error_is_set(&dbErr))
542	{
543	DBusMessageIter itMsg;
544	if ( dbus_message_iter_init(pReplySessionActive, &itMsg)
545	&& dbus_message_iter_get_arg_type(&itMsg) == DBUS_TYPE_BOOLEAN)
546	{
547	/* Get uid from message. */
548	int val;
549	dbus_message_iter_get_basic(&itMsg, &val);
550	fActive = val >= 1;
551	}
552
553	if (pReplySessionActive)
554	dbus_message_unref(pReplySessionActive);
555	}
556
557	if (pMsgSessionActive)
558	dbus_message_unref(pMsgSessionActive);
559	}
560
561	VBoxServiceVerbose(4, "ConsoleKit: session '%s' is %s\n",
562	*ppszCurSession, fActive ? "active" : "not active");
563
564	/* *ppszCurSession now contains the object path
565	* (e.g. "/org/freedesktop/ConsoleKit/Session1"). */
566	DBusMessage *pMsgUnixUser = dbus_message_new_method_call("org.freedesktop.ConsoleKit",
567	*ppszCurSession,
568	"org.freedesktop.ConsoleKit.Session",
569	"GetUnixUser");
570	if ( fActive
571	&& pMsgUnixUser
572	&& dbus_message_get_type(pMsgUnixUser) == DBUS_MESSAGE_TYPE_METHOD_CALL)
573	{
574	DBusMessage *pReplyUnixUser = dbus_connection_send_with_reply_and_block(pConnection,
575	pMsgUnixUser, 30 * 1000 /* 30s timeout */,
576	&dbErr);
577	if ( pReplyUnixUser
578	&& !dbus_error_is_set(&dbErr))
579	{
580	DBusMessageIter itMsg;
581	if ( dbus_message_iter_init(pReplyUnixUser, &itMsg)
582	&& dbus_message_iter_get_arg_type(&itMsg) == DBUS_TYPE_UINT32)
583	{
584	/* Get uid from message. */
585	uint32_t uid;
586	dbus_message_iter_get_basic(&itMsg, &uid);
587
588	/** @todo Add support for getting UID_MIN (/etc/login.defs on
589	* Debian). */
590	uint32_t uid_min = 1000;
591
592	/* Look up user name (realname) from uid. */
593	setpwent();
594	struct passwd *ppwEntry = getpwuid(uid);
595	if ( ppwEntry
596	&& ppwEntry->pw_uid >= uid_min /* Only respect users, not daemons etc. */
597	&& ppwEntry->pw_name)
598	{
599	VBoxServiceVerbose(4, "ConsoleKit: session '%s' -> %s (uid: %RU32)\n",
600	*ppszCurSession, ppwEntry->pw_name, uid);
601
602	bool fFound = false;
603	for (uint32_t i = 0; i < cUsersInList && !fFound; i++)
604	fFound = strcmp(papszUsers[i], ppwEntry->pw_name) == 0;
605
606	if (!fFound)
607	{
608	VBoxServiceVerbose(4, "ConsoleKit: adding user \"%s\" to list\n",
609	ppwEntry->pw_name);
610
611	rc = RTStrDupEx(&papszUsers[cUsersInList], (const char *)ppwEntry->pw_name);
612	if (RT_FAILURE(rc))
613	break;
614	cUsersInList++;
615	}
616	}
617	else
618	VBoxServiceError("ConsoleKit: unable to lookup user name for uid=%RU32\n", uid);
619	}
620	else
621	AssertMsgFailed(("ConsoleKit: GetUnixUser returned a wrong argument type\n"));
622	}
623
624	if (pReplyUnixUser)
625	dbus_message_unref(pReplyUnixUser);
626	}
627	else
628	VBoxServiceError("ConsoleKit: unable to retrieve user for session '%s' (msg type=%d): %s",
629	*ppszCurSession, dbus_message_get_type(pMsgUnixUser),
630	dbus_error_is_set(&dbErr) ? dbErr.message : "No error information available\n");
631
632	if (pMsgUnixUser)
633	dbus_message_unref(pMsgUnixUser);
634	}
635
636	dbus_free_string_array(ppszSessions);
637	}
638	else
639	{
640	VBoxServiceError("ConsoleKit: unable to retrieve session parameters (msg type=%d): %s",
641	dbus_message_get_type(pMsgSessions),
642	dbus_error_is_set(&dbErr) ? dbErr.message : "No error information available\n");
643	}
644	dbus_message_unref(pReplySessions);
645	}
646
647	if (pMsgSessions)
648	{
649	dbus_message_unref(pMsgSessions);
650	pMsgSessions = NULL;
651	}
652	}
653	else
654	{
655	static int s_iBitchedAboutConsoleKit = 0;
656	if (s_iBitchedAboutConsoleKit++ < 3)
657	VBoxServiceError("Unable to invoke ConsoleKit (%d/3) -- maybe not installed / used? Error: %s\n",
658	s_iBitchedAboutConsoleKit,
659	dbus_error_is_set(&dbErr) ? dbErr.message : "No error information available\n");
660	}
661
662	if (pMsgSessions)
663	dbus_message_unref(pMsgSessions);
664	}
665	else
666	{
667	static int s_iBitchedAboutDBus = 0;
668	if (s_iBitchedAboutDBus++ < 3)
669	VBoxServiceError("Unable to connect to system D-Bus (%d/3): %s\n", s_iBitchedAboutDBus,
670	dbus_error_is_set(&dbErr) ? dbErr.message : "D-Bus not installed\n");
671	}
672
673	if (dbus_error_is_set(&dbErr))
674	dbus_error_free(&dbErr);
675	# endif /* RT_OS_LINUX */
676	#endif /* VBOX_WITH_DBUS */
677
678	/** @todo Fedora/others: Handle systemd-loginctl. */
679
680	/* Calc the string length. */
681	size_t cchUserList = 0;
682	if (RT_SUCCESS(rc))
683	{
684	for (uint32_t i = 0; i < cUsersInList; i++)
685	cchUserList += (i != 0) + strlen(papszUsers[i]);
686	}
687
688	/* Build the user list. */
689	if (RT_SUCCESS(rc))
690	rc = RTStrAllocEx(&pszUserList, cchUserList + 1);
691	if (RT_SUCCESS(rc))
692	{
693	char *psz = pszUserList;
694	for (uint32_t i = 0; i < cUsersInList; i++)
695	{
696	if (i != 0)
697	*psz++ = ',';
698	size_t cch = strlen(papszUsers[i]);
699	memcpy(psz, papszUsers[i], cch);
700	psz += cch;
701	}
702	*psz = '\0';
703	}
704
705	/* Cleanup. */
706	for (uint32_t i = 0; i < cUsersInList; i++)
707	RTStrFree(papszUsers[i]);
708	RTMemFree(papszUsers);
709
710	endutxent(); /* Close utmpx file. */
711	#endif
712	Assert(RT_FAILURE(rc) \|\| cUsersInList == 0 \|\| (pszUserList && *pszUserList));
713
714	/* If the user enumeration above failed, reset the user count to 0 except
715	* we didn't have enough memory anymore. In that case we want to preserve
716	* the previous user count in order to not confuse third party tools which
717	* rely on that count. */
718	if (RT_FAILURE(rc))
719	{
720	if (rc == VERR_NO_MEMORY)
721	{
722	static int s_iVMInfoBitchedOOM = 0;
723	if (s_iVMInfoBitchedOOM++ < 3)
724	VBoxServiceVerbose(0, "Warning: Not enough memory available to enumerate users! Keeping old value (%u)\n",
725	g_cVMInfoLoggedInUsers);
726	cUsersInList = g_cVMInfoLoggedInUsers;
727	}
728	else
729	cUsersInList = 0;
730	}
731
732	VBoxServiceVerbose(4, "cUsersInList=%RU32, pszUserList=%s, rc=%Rrc\n",
733	cUsersInList, pszUserList ? pszUserList : "<NULL>", rc);
734
735	if (pszUserList && cUsersInList > 0)
736	rc = VBoxServicePropCacheUpdate(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/LoggedInUsersList", "%s", pszUserList);
737	else
738	rc = VBoxServicePropCacheUpdate(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/LoggedInUsersList", NULL);
739	if (RT_FAILURE(rc))
740	{
741	VBoxServiceError("Error writing logged on users list, rc=%Rrc\n", rc);
742	cUsersInList = 0; /* Reset user count on error. */
743	}
744
745	rc = VBoxServicePropCacheUpdate(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/LoggedInUsers", "%u", cUsersInList);
746	if (RT_FAILURE(rc))
747	{
748	VBoxServiceError("Error writing logged on users count, rc=%Rrc\n", rc);
749	cUsersInList = 0; /* Reset user count on error. */
750	}
751
752	if (g_cVMInfoLoggedInUsers != cUsersInList)
753	{
754	rc = VBoxServicePropCacheUpdate(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/OS/NoLoggedInUsers",
755	cUsersInList == 0 ? "true" : "false");
756	if (RT_FAILURE(rc))
757	VBoxServiceError("Error writing no logged in users beacon, rc=%Rrc\n", rc);
758	g_cVMInfoLoggedInUsers = cUsersInList;
759	}
760	if (pszUserList)
761	RTStrFree(pszUserList);
762
763	VBoxServiceVerbose(4, "Writing users returned with rc=%Rrc\n", rc);
764	return rc;
765	}
766
767
768	/**
769	* Provide information about the guest network.
770	*/
771	static int vboxserviceVMInfoWriteNetwork(void)
772	{
773	int rc = VINF_SUCCESS;
774	uint32_t cIfacesReport = 0;
775	char szPropPath[256];
776
777	#ifdef RT_OS_WINDOWS
778	IP_ADAPTER_INFO *pAdpInfo = NULL;
779
780	# ifndef TARGET_NT4
781	ULONG cbAdpInfo = sizeof(*pAdpInfo);
782	pAdpInfo = (IP_ADAPTER_INFO *)RTMemAlloc(cbAdpInfo);
783	if (!pAdpInfo)
784	{
785	VBoxServiceError("VMInfo/Network: Failed to allocate IP_ADAPTER_INFO\n");
786	return VERR_NO_MEMORY;
787	}
788	DWORD dwRet = GetAdaptersInfo(pAdpInfo, &cbAdpInfo);
789	if (dwRet == ERROR_BUFFER_OVERFLOW)
790	{
791	IP_ADAPTER_INFO pAdpInfoNew = (IP_ADAPTER_INFO)RTMemRealloc(pAdpInfo, cbAdpInfo);
792	if (pAdpInfoNew)
793	{
794	pAdpInfo = pAdpInfoNew;
795	dwRet = GetAdaptersInfo(pAdpInfo, &cbAdpInfo);
796	}
797	}
798	else if (dwRet == ERROR_NO_DATA)
799	{
800	VBoxServiceVerbose(3, "VMInfo/Network: No network adapters available\n");
801
802	/* If no network adapters available / present in the
803	* system we pretend success to not bail out too early. */
804	dwRet = ERROR_SUCCESS;
805	}
806
807	if (dwRet != ERROR_SUCCESS)
808	{
809	if (pAdpInfo)
810	RTMemFree(pAdpInfo);
811	VBoxServiceError("VMInfo/Network: Failed to get adapter info: Error %d\n", dwRet);
812	return RTErrConvertFromWin32(dwRet);
813	}
814	# endif /* !TARGET_NT4 */
815
816	SOCKET sd = WSASocket(AF_INET, SOCK_DGRAM, 0, 0, 0, 0);
817	if (sd == SOCKET_ERROR) /* Socket invalid. */
818	{
819	int wsaErr = WSAGetLastError();
820	/* Don't complain/bail out with an error if network stack is not up; can happen
821	* on NT4 due to start up when not connected shares dialogs pop up. */
822	if (WSAENETDOWN == wsaErr)
823	{
824	VBoxServiceVerbose(0, "VMInfo/Network: Network is not up yet.\n");
825	wsaErr = VINF_SUCCESS;
826	}
827	else
828	VBoxServiceError("VMInfo/Network: Failed to get a socket: Error %d\n", wsaErr);
829	if (pAdpInfo)
830	RTMemFree(pAdpInfo);
831	return RTErrConvertFromWin32(wsaErr);
832	}
833
834	INTERFACE_INFO InterfaceList[20] = {0};
835	unsigned long nBytesReturned = 0;
836	if (WSAIoctl(sd,
837	SIO_GET_INTERFACE_LIST,
838	0,
839	0,
840	&InterfaceList,
841	sizeof(InterfaceList),
842	&nBytesReturned,
843	0,
844	0) == SOCKET_ERROR)
845	{
846	VBoxServiceError("VMInfo/Network: Failed to WSAIoctl() on socket: Error: %d\n", WSAGetLastError());
847	if (pAdpInfo)
848	RTMemFree(pAdpInfo);
849	return RTErrConvertFromWin32(WSAGetLastError());
850	}
851	int cIfacesSystem = nBytesReturned / sizeof(INTERFACE_INFO);
852
853	/** @todo Use GetAdaptersInfo() and GetAdapterAddresses (IPv4 + IPv6) for more information. */
854	for (int i = 0; i < cIfacesSystem; ++i)
855	{
856	sockaddr_in *pAddress;
857	u_long nFlags = 0;
858	if (InterfaceList[i].iiFlags & IFF_LOOPBACK) /* Skip loopback device. */
859	continue;
860	nFlags = InterfaceList[i].iiFlags;
861	pAddress = (sockaddr_in *)&(InterfaceList[i].iiAddress);
862	Assert(pAddress);
863	char szIp[32];
864	RTStrPrintf(szIp, sizeof(szIp), "%s", inet_ntoa(pAddress->sin_addr));
865	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/IP", cIfacesReport);
866	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szIp);
867
868	pAddress = (sockaddr_in *) & (InterfaceList[i].iiBroadcastAddress);
869	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Broadcast", cIfacesReport);
870	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", inet_ntoa(pAddress->sin_addr));
871
872	pAddress = (sockaddr_in *)&(InterfaceList[i].iiNetmask);
873	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Netmask", cIfacesReport);
874	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", inet_ntoa(pAddress->sin_addr));
875
876	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/Status", cIfacesReport);
877	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, nFlags & IFF_UP ? "Up" : "Down");
878
879	# ifndef TARGET_NT4
880	IP_ADAPTER_INFO *pAdp;
881	for (pAdp = pAdpInfo; pAdp; pAdp = pAdp->Next)
882	if (!strcmp(pAdp->IpAddressList.IpAddress.String, szIp))
883	break;
884
885	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/MAC", cIfacesReport);
886	if (pAdp)
887	{
888	char szMac[32];
889	RTStrPrintf(szMac, sizeof(szMac), "%02X%02X%02X%02X%02X%02X",
890	pAdp->Address[0], pAdp->Address[1], pAdp->Address[2],
891	pAdp->Address[3], pAdp->Address[4], pAdp->Address[5]);
892	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szMac);
893	}
894	else
895	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, NULL);
896	# endif /* !TARGET_NT4 */
897
898	cIfacesReport++;
899	}
900	if (pAdpInfo)
901	RTMemFree(pAdpInfo);
902	if (sd >= 0)
903	closesocket(sd);
904
905	#elif defined(RT_OS_HAIKU)
906	/** @todo Haiku: implement network info. retreival */
907	return VERR_NOT_IMPLEMENTED;
908
909	#elif defined(RT_OS_FREEBSD)
910	struct ifaddrs *pIfHead = NULL;
911
912	/* Get all available interfaces */
913	rc = getifaddrs(&pIfHead);
914	if (rc < 0)
915	{
916	rc = RTErrConvertFromErrno(errno);
917	VBoxServiceError("VMInfo/Network: Failed to get all interfaces: Error %Rrc\n");
918	return rc;
919	}
920
921	/* Loop through all interfaces and set the data. */
922	for (struct ifaddrs *pIfCurr = pIfHead; pIfCurr; pIfCurr = pIfCurr->ifa_next)
923	{
924	/*
925	* Only AF_INET and no loopback interfaces
926	* @todo: IPv6 interfaces
927	*/
928	if ( pIfCurr->ifa_addr->sa_family == AF_INET
929	&& !(pIfCurr->ifa_flags & IFF_LOOPBACK))
930	{
931	char szInetAddr[NI_MAXHOST];
932
933	memset(szInetAddr, 0, NI_MAXHOST);
934	getnameinfo(pIfCurr->ifa_addr, sizeof(struct sockaddr_in),
935	szInetAddr, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
936	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/IP", cIfacesReport);
937	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szInetAddr);
938
939	memset(szInetAddr, 0, NI_MAXHOST);
940	getnameinfo(pIfCurr->ifa_broadaddr, sizeof(struct sockaddr_in),
941	szInetAddr, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
942	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Broadcast", cIfacesReport);
943	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szInetAddr);
944
945	memset(szInetAddr, 0, NI_MAXHOST);
946	getnameinfo(pIfCurr->ifa_netmask, sizeof(struct sockaddr_in),
947	szInetAddr, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
948	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Netmask", cIfacesReport);
949	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szInetAddr);
950
951	/* Search for the AF_LINK interface of the current AF_INET one and get the mac. */
952	for (struct ifaddrs *pIfLinkCurr = pIfHead; pIfLinkCurr; pIfLinkCurr = pIfLinkCurr->ifa_next)
953	{
954	if ( pIfLinkCurr->ifa_addr->sa_family == AF_LINK
955	&& !strcmp(pIfCurr->ifa_name, pIfLinkCurr->ifa_name))
956	{
957	char szMac[32];
958	uint8_t *pu8Mac = NULL;
959	struct sockaddr_dl pLinkAddress = (struct sockaddr_dl )pIfLinkCurr->ifa_addr;
960
961	AssertPtr(pLinkAddress);
962	pu8Mac = (uint8_t *)LLADDR(pLinkAddress);
963	RTStrPrintf(szMac, sizeof(szMac), "%02X%02X%02X%02X%02X%02X",
964	pu8Mac[0], pu8Mac[1], pu8Mac[2], pu8Mac[3], pu8Mac[4], pu8Mac[5]);
965	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/MAC", cIfacesReport);
966	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szMac);
967	break;
968	}
969	}
970
971	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/Status", cIfacesReport);
972	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, pIfCurr->ifa_flags & IFF_UP ? "Up" : "Down");
973
974	cIfacesReport++;
975	}
976	}
977
978	/* Free allocated resources. */
979	freeifaddrs(pIfHead);
980
981	#else /* !RT_OS_WINDOWS && !RT_OS_FREEBSD */
982	int sd = socket(AF_INET, SOCK_DGRAM, 0);
983	if (sd < 0)
984	{
985	rc = RTErrConvertFromErrno(errno);
986	VBoxServiceError("VMInfo/Network: Failed to get a socket: Error %Rrc\n", rc);
987	return rc;
988	}
989
990	ifconf ifcfg;
991	char buffer[1024] = {0};
992	ifcfg.ifc_len = sizeof(buffer);
993	ifcfg.ifc_buf = buffer;
994	if (ioctl(sd, SIOCGIFCONF, &ifcfg) < 0)
995	{
996	close(sd);
997	rc = RTErrConvertFromErrno(errno);
998	VBoxServiceError("VMInfo/Network: Failed to ioctl(SIOCGIFCONF) on socket: Error %Rrc\n", rc);
999	return rc;
1000	}
1001
1002	ifreq* ifrequest = ifcfg.ifc_req;
1003	int cIfacesSystem = ifcfg.ifc_len / sizeof(ifreq);
1004
1005	for (int i = 0; i < cIfacesSystem; ++i)
1006	{
1007	sockaddr_in *pAddress;
1008	if (ioctl(sd, SIOCGIFFLAGS, &ifrequest[i]) < 0)
1009	{
1010	rc = RTErrConvertFromErrno(errno);
1011	VBoxServiceError("VMInfo/Network: Failed to ioctl(SIOCGIFFLAGS) on socket: Error %Rrc\n", rc);
1012	break;
1013	}
1014	if (ifrequest[i].ifr_flags & IFF_LOOPBACK) /* Skip the loopback device. */
1015	continue;
1016
1017	bool fIfUp = !!(ifrequest[i].ifr_flags & IFF_UP);
1018	pAddress = ((sockaddr_in *)&ifrequest[i].ifr_addr);
1019	Assert(pAddress);
1020	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/IP", cIfacesReport);
1021	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", inet_ntoa(pAddress->sin_addr));
1022
1023	if (ioctl(sd, SIOCGIFBRDADDR, &ifrequest[i]) < 0)
1024	{
1025	rc = RTErrConvertFromErrno(errno);
1026	VBoxServiceError("VMInfo/Network: Failed to ioctl(SIOCGIFBRDADDR) on socket: Error %Rrc\n", rc);
1027	break;
1028	}
1029	pAddress = (sockaddr_in *)&ifrequest[i].ifr_broadaddr;
1030	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Broadcast", cIfacesReport);
1031	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", inet_ntoa(pAddress->sin_addr));
1032
1033	if (ioctl(sd, SIOCGIFNETMASK, &ifrequest[i]) < 0)
1034	{
1035	rc = RTErrConvertFromErrno(errno);
1036	VBoxServiceError("VMInfo/Network: Failed to ioctl(SIOCGIFNETMASK) on socket: Error %Rrc\n", rc);
1037	break;
1038	}
1039	# if defined(RT_OS_OS2) \|\| defined(RT_OS_SOLARIS)
1040	pAddress = (sockaddr_in *)&ifrequest[i].ifr_addr;
1041	# else
1042	pAddress = (sockaddr_in *)&ifrequest[i].ifr_netmask;
1043	# endif
1044
1045	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/V4/Netmask", cIfacesReport);
1046	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", inet_ntoa(pAddress->sin_addr));
1047
1048	# if defined(RT_OS_SOLARIS)
1049	/*
1050	* "ifreq" is obsolete on Solaris. We use the recommended "lifreq".
1051	* We might fail if the interface has not been assigned an IP address.
1052	* That doesn't matter; as long as it's plumbed we can pick it up.
1053	* But, if it has not acquired an IP address we cannot obtain it's MAC
1054	* address this way, so we just use all zeros there.
1055	*/
1056	RTMAC IfMac;
1057	RT_ZERO(IfMac);
1058	struct lifreq IfReq;
1059	RT_ZERO(IfReq);
1060	AssertCompile(sizeof(IfReq.lifr_name) >= sizeof(ifrequest[i].ifr_name));
1061	strncpy(IfReq.lifr_name, ifrequest[i].ifr_name, sizeof(ifrequest[i].ifr_name));
1062	if (ioctl(sd, SIOCGLIFADDR, &IfReq) >= 0)
1063	{
1064	struct arpreq ArpReq;
1065	RT_ZERO(ArpReq);
1066	memcpy(&ArpReq.arp_pa, &IfReq.lifr_addr, sizeof(struct sockaddr_in));
1067
1068	if (ioctl(sd, SIOCGARP, &ArpReq) >= 0)
1069	memcpy(&IfMac, ArpReq.arp_ha.sa_data, sizeof(IfMac));
1070	else
1071	{
1072	rc = RTErrConvertFromErrno(errno);
1073	VBoxServiceError("VMInfo/Network: failed to ioctl(SIOCGARP) on socket: Error %Rrc\n", rc);
1074	break;
1075	}
1076	}
1077	else
1078	{
1079	VBoxServiceVerbose(2, "VMInfo/Network: Interface %d has no assigned IP address, skipping ...\n", i);
1080	continue;
1081	}
1082	# else
1083	# ifndef RT_OS_OS2 /** @todo port this to OS/2 */
1084	if (ioctl(sd, SIOCGIFHWADDR, &ifrequest[i]) < 0)
1085	{
1086	rc = RTErrConvertFromErrno(errno);
1087	VBoxServiceError("VMInfo/Network: Failed to ioctl(SIOCGIFHWADDR) on socket: Error %Rrc\n", rc);
1088	break;
1089	}
1090	# endif
1091	# endif
1092
1093	# ifndef RT_OS_OS2 /** @todo port this to OS/2 */
1094	char szMac[32];
1095	# if defined(RT_OS_SOLARIS)
1096	uint8_t *pu8Mac = IfMac.au8;
1097	# else
1098	uint8_t pu8Mac = (uint8_t)&ifrequest[i].ifr_hwaddr.sa_data[0]; /* @todo see above */
1099	# endif
1100	RTStrPrintf(szMac, sizeof(szMac), "%02X%02X%02X%02X%02X%02X",
1101	pu8Mac[0], pu8Mac[1], pu8Mac[2], pu8Mac[3], pu8Mac[4], pu8Mac[5]);
1102	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/MAC", cIfacesReport);
1103	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, "%s", szMac);
1104	# endif /* !OS/2*/
1105
1106	RTStrPrintf(szPropPath, sizeof(szPropPath), "/VirtualBox/GuestInfo/Net/%u/Status", cIfacesReport);
1107	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, szPropPath, fIfUp ? "Up" : "Down");
1108	cIfacesReport++;
1109	} /* For all interfaces */
1110
1111	close(sd);
1112	if (RT_FAILURE(rc))
1113	VBoxServiceError("VMInfo/Network: Network enumeration for interface %u failed with error %Rrc\n", cIfacesReport, rc);
1114
1115	#endif /* !RT_OS_WINDOWS */
1116
1117	#if 0 /* Zapping not enabled yet, needs more testing first. */
1118	/*
1119	* Zap all stale network interface data if the former (saved) network ifaces count
1120	* is bigger than the current one.
1121	*/
1122
1123	/* Get former count. */
1124	uint32_t cIfacesReportOld;
1125	rc = VBoxServiceReadPropUInt32(g_uVMInfoGuestPropSvcClientID, "/VirtualBox/GuestInfo/Net/Count", &cIfacesReportOld,
1126	0 /* Min /, UINT32_MAX / Max */);
1127	if ( RT_SUCCESS(rc)
1128	&& cIfacesReportOld > cIfacesReport) /* Are some ifaces not around anymore? */
1129	{
1130	VBoxServiceVerbose(3, "VMInfo/Network: Stale interface data detected (%u old vs. %u current)\n",
1131	cIfacesReportOld, cIfacesReport);
1132
1133	uint32_t uIfaceDeleteIdx = cIfacesReport;
1134	do
1135	{
1136	VBoxServiceVerbose(3, "VMInfo/Network: Deleting stale data of interface %d ...\n", uIfaceDeleteIdx);
1137	rc = VBoxServicePropCacheUpdateByPath(&g_VMInfoPropCache, NULL /* Value, delete /, 0 / Flags */, "/VirtualBox/GuestInfo/Net/%u", uIfaceDeleteIdx++);
1138	} while (RT_SUCCESS(rc));
1139	}
1140	else if ( RT_FAILURE(rc)
1141	&& rc != VERR_NOT_FOUND)
1142	{
1143	VBoxServiceError("VMInfo/Network: Failed retrieving old network interfaces count with error %Rrc\n", rc);
1144	}
1145	#endif
1146
1147	/*
1148	* This property is a beacon which is _always_ written, even if the network configuration
1149	* does not change. If this property is missing, the host assumes that all other GuestInfo
1150	* properties are no longer valid.
1151	*/
1152	VBoxServicePropCacheUpdate(&g_VMInfoPropCache, "/VirtualBox/GuestInfo/Net/Count", "%d",
1153	cIfacesReport);
1154
1155	/* Don't fail here; just report everything we got. */
1156	return VINF_SUCCESS;
1157	}
1158
1159
1160	/** @copydoc VBOXSERVICE::pfnWorker */
1161	DECLCALLBACK(int) VBoxServiceVMInfoWorker(bool volatile *pfShutdown)
1162	{
1163	int rc;
1164
1165	/*
1166	* Tell the control thread that it can continue
1167	* spawning services.
1168	*/
1169	RTThreadUserSignal(RTThreadSelf());
1170
1171	#ifdef RT_OS_WINDOWS
1172	/* Required for network information (must be called per thread). */
1173	WSADATA wsaData;
1174	if (WSAStartup(MAKEWORD(2, 2), &wsaData))
1175	VBoxServiceError("VMInfo/Network: WSAStartup failed! Error: %Rrc\n", RTErrConvertFromWin32(WSAGetLastError()));
1176	#endif /* RT_OS_WINDOWS */
1177
1178	/*
1179	* Write the fixed properties first.
1180	*/
1181	vboxserviceVMInfoWriteFixedProperties();
1182
1183	/*
1184	* Now enter the loop retrieving runtime data continuously.
1185	*/
1186	for (;;)
1187	{
1188	rc = vboxserviceVMInfoWriteUsers();
1189	if (RT_FAILURE(rc))
1190	break;
1191
1192	rc = vboxserviceVMInfoWriteNetwork();
1193	if (RT_FAILURE(rc))
1194	break;
1195
1196	/* Whether to wait for event semaphore or not. */
1197	bool fWait = true;
1198
1199	/* Check for location awareness. This most likely only
1200	* works with VBox (latest) 4.1 and up. */
1201
1202	/* Check for new connection. */
1203	char *pszLAClientID = NULL;
1204	int rc2 = VBoxServiceReadHostProp(g_uVMInfoGuestPropSvcClientID, g_pszLAActiveClient, true /* Read only */,
1205	&pszLAClientID, NULL /* Flags /, NULL / Timestamp */);
1206	if (RT_SUCCESS(rc2))
1207	{
1208	AssertPtr(pszLAClientID);
1209	if (RTStrICmp(pszLAClientID, "0")) /* Is a client connected? */
1210	{
1211	uint32_t uLAClientID = RTStrToInt32(pszLAClientID);
1212	uint64_t uLAClientAttachedTS;
1213
1214	/* Peek at "Attach" value to figure out if hotdesking happened. */
1215	char *pszAttach = NULL;
1216	rc2 = vboxServiceGetLAClientValue(uLAClientID, "Attach", &pszAttach,
1217	&uLAClientAttachedTS);
1218
1219	if ( RT_SUCCESS(rc2)
1220	&& ( !g_LAClientAttachedTS
1221	\|\| (g_LAClientAttachedTS != uLAClientAttachedTS)))
1222	{
1223	vboxServiceFreeLAClientInfo(&g_LAClientInfo);
1224
1225	/* Note: There is a race between setting the guest properties by the host and getting them by
1226	* the guest. */
1227	rc2 = vboxServiceGetLAClientInfo(uLAClientID, &g_LAClientInfo);
1228	if (RT_SUCCESS(rc2))
1229	{
1230	VBoxServiceVerbose(1, "VRDP: Hotdesk client %s with ID=%RU32, Name=%s, Domain=%s\n",
1231	/* If g_LAClientAttachedTS is 0 this means there already was an active
1232	* hotdesk session when VBoxService started. */
1233	!g_LAClientAttachedTS ? "already active" : g_LAClientInfo.fAttached ? "connected" : "disconnected",
1234	uLAClientID, g_LAClientInfo.pszName, g_LAClientInfo.pszDomain);
1235
1236	g_LAClientAttachedTS = g_LAClientInfo.uAttachedTS;
1237
1238	/* Don't wait for event semaphore below anymore because we now know that the client
1239	* changed. This means we need to iterate all VM information again immediately. */
1240	fWait = false;
1241	}
1242	else
1243	{
1244	static int s_iBitchedAboutLAClientInfo = 0;
1245	if (s_iBitchedAboutLAClientInfo++ < 10)
1246	VBoxServiceError("Error getting active location awareness client info, rc=%Rrc\n", rc2);
1247	}
1248	}
1249	else if (RT_FAILURE(rc2))
1250	VBoxServiceError("Error getting attached value of location awareness client %RU32, rc=%Rrc\n",
1251	uLAClientID, rc2);
1252	if (pszAttach)
1253	RTStrFree(pszAttach);
1254	}
1255	else
1256	{
1257	VBoxServiceVerbose(1, "VRDP: UTTSC disconnected from VRDP server\n");
1258	vboxServiceFreeLAClientInfo(&g_LAClientInfo);
1259	}
1260
1261	RTStrFree(pszLAClientID);
1262	}
1263	else
1264	{
1265	static int s_iBitchedAboutLAClient = 0;
1266	if ( (rc2 != VERR_NOT_FOUND) /* No location awareness installed, skip. */
1267	&& s_iBitchedAboutLAClient++ < 3)
1268	VBoxServiceError("VRDP: Querying connected location awareness client failed with rc=%Rrc\n", rc2);
1269	}
1270
1271	VBoxServiceVerbose(3, "VRDP: Handling location awareness done\n");
1272
1273	/*
1274	* Flush all properties if we were restored.
1275	*/
1276	uint64_t idNewSession = g_idVMInfoSession;
1277	VbglR3GetSessionId(&idNewSession);
1278	if (idNewSession != g_idVMInfoSession)
1279	{
1280	VBoxServiceVerbose(3, "The VM session ID changed, flushing all properties\n");
1281	vboxserviceVMInfoWriteFixedProperties();
1282	VBoxServicePropCacheFlush(&g_VMInfoPropCache);
1283	g_idVMInfoSession = idNewSession;
1284	}
1285
1286	/*
1287	* Block for a while.
1288	*
1289	* The event semaphore takes care of ignoring interruptions and it
1290	* allows us to implement service wakeup later.
1291	*/
1292	if (*pfShutdown)
1293	break;
1294	if (fWait)
1295	rc2 = RTSemEventMultiWait(g_hVMInfoEvent, g_cMsVMInfoInterval);
1296	if (*pfShutdown)
1297	break;
1298	if (rc2 != VERR_TIMEOUT && RT_FAILURE(rc2))
1299	{
1300	VBoxServiceError("RTSemEventMultiWait failed; rc2=%Rrc\n", rc2);
1301	rc = rc2;
1302	break;
1303	}
1304	else if (RT_LIKELY(RT_SUCCESS(rc2)))
1305	{
1306	/* Reset event semaphore if it got triggered. */
1307	rc2 = RTSemEventMultiReset(g_hVMInfoEvent);
1308	if (RT_FAILURE(rc2))
1309	rc2 = VBoxServiceError("RTSemEventMultiReset failed; rc2=%Rrc\n", rc2);
1310	}
1311	}
1312
1313	#ifdef RT_OS_WINDOWS
1314	WSACleanup();
1315	#endif
1316
1317	return rc;
1318	}
1319
1320
1321	/** @copydoc VBOXSERVICE::pfnStop */
1322	static DECLCALLBACK(void) VBoxServiceVMInfoStop(void)
1323	{
1324	RTSemEventMultiSignal(g_hVMInfoEvent);
1325	}
1326
1327
1328	/** @copydoc VBOXSERVICE::pfnTerm */
1329	static DECLCALLBACK(void) VBoxServiceVMInfoTerm(void)
1330	{
1331	if (g_hVMInfoEvent != NIL_RTSEMEVENTMULTI)
1332	{
1333	/** @todo temporary solution: Zap all values which are not valid
1334	* anymore when VM goes down (reboot/shutdown ). Needs to
1335	* be replaced with "temporary properties" later.
1336	*
1337	* One idea is to introduce a (HGCM-)session guest property
1338	* flag meaning that a guest property is only valid as long
1339	* as the HGCM session isn't closed (e.g. guest application
1340	* terminates). [don't remove till implemented]
1341	*/
1342	/** @todo r=bird: Drop the VbglR3GuestPropDelSet call here and use the cache
1343	* since it remembers what we've written. */
1344	/* Delete the "../Net" branch. */
1345	const char apszPat[1] = { "/VirtualBox/GuestInfo/Net/" };
1346	int rc = VbglR3GuestPropDelSet(g_uVMInfoGuestPropSvcClientID, &apszPat[0], RT_ELEMENTS(apszPat));
1347
1348	/* Destroy LA client info. */
1349	vboxServiceFreeLAClientInfo(&g_LAClientInfo);
1350
1351	/* Destroy property cache. */
1352	VBoxServicePropCacheDestroy(&g_VMInfoPropCache);
1353
1354	/* Disconnect from guest properties service. */
1355	rc = VbglR3GuestPropDisconnect(g_uVMInfoGuestPropSvcClientID);
1356	if (RT_FAILURE(rc))
1357	VBoxServiceError("Failed to disconnect from guest property service! Error: %Rrc\n", rc);
1358	g_uVMInfoGuestPropSvcClientID = 0;
1359
1360	RTSemEventMultiDestroy(g_hVMInfoEvent);
1361	g_hVMInfoEvent = NIL_RTSEMEVENTMULTI;
1362	}
1363	}
1364
1365
1366	/**
1367	* The 'vminfo' service description.
1368	*/
1369	VBOXSERVICE g_VMInfo =
1370	{
1371	/* pszName. */
1372	"vminfo",
1373	/* pszDescription. */
1374	"Virtual Machine Information",
1375	/* pszUsage. */
1376	" [--vminfo-interval <ms>]"
1377	,
1378	/* pszOptions. */
1379	" --vminfo-interval Specifies the interval at which to retrieve the\n"
1380	" VM information. The default is 10000 ms.\n"
1381	,
1382	/* methods */
1383	VBoxServiceVMInfoPreInit,
1384	VBoxServiceVMInfoOption,
1385	VBoxServiceVMInfoInit,
1386	VBoxServiceVMInfoWorker,
1387	VBoxServiceVMInfoStop,
1388	VBoxServiceVMInfoTerm
1389	};
1390

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source: vbox/trunk/src/VBox/Additions/common/VBoxService/VBoxServiceVMInfo.cpp@ 44824

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