main.cpp@ 105266

Last change on this file since 105266 was 105103, checked in by vboxsync, 7 months ago
FE/Qt: Yet another build fix for r163701; s.a. r163702.
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1	/* $Id: main.cpp 105103 2024-07-02 17:01:37Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - The main() function.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	/* Qt includes: */
29	#include <QApplication>
30	#include <QMessageBox>
31	#ifdef VBOX_WS_NIX
32	# ifndef Q_OS_SOLARIS
33	# include <QFontDatabase>
34	# endif
35	#endif
36
37	/* GUI includes: */
38	#include "UICommon.h"
39	#include "UILoggingDefs.h"
40	#include "UIModalWindowManager.h"
41	#include "UIStarter.h"
42	#ifdef VBOX_WS_MAC
43	# include "VBoxUtils.h"
44	# include "UICocoaApplication.h"
45	#endif /* VBOX_WS_MAC */
46	#ifdef VBOX_WS_NIX
47	# include "UIVersion.h"
48	#endif
49
50	/* Other VBox includes: */
51	#include <iprt/buildconfig.h>
52	#include <iprt/stream.h>
53	#include <VBox/err.h>
54	#include <VBox/version.h>
55	#include <VBox/sup.h>
56	#if !defined(VBOX_WITH_HARDENING) \|\| !defined(VBOX_RUNTIME_UI)
57	# include <iprt/initterm.h>
58	# ifdef VBOX_WS_MAC
59	# include <iprt/asm.h>
60	# endif
61	#endif
62	#ifdef VBOX_WS_NIX
63	# include <iprt/env.h>
64	#endif
65	#ifdef VBOX_WITH_HARDENING
66	# include <iprt/ctype.h>
67	#endif
68	#if defined(VBOX_RUNTIME_UI) && defined(VBOX_WS_MAC)
69	# include <iprt/path.h>
70	#endif
71	#ifdef VBOX_WS_WIN
72	# include <VBox/com/microatl.h>
73	#endif
74	#if defined(VBOX_WITH_HARDENING) \|\| defined(VBOX_WS_WIN)
75	# include <iprt/string.h>
76	#endif
77
78	/* Other includes: */
79	#ifdef VBOX_WS_MAC
80	# include <dlfcn.h>
81	# include <sys/mman.h>
82	#endif /* VBOX_WS_MAC */
83	#ifdef VBOX_WS_NIX
84	# include <dlfcn.h>
85	# include <unistd.h>
86	# include <X11/Xlib.h>
87	# include "VBoxUtils-nix.h"
88	# if defined(RT_OS_LINUX) && defined(DEBUG)
89	# include <signal.h>
90	# include <execinfo.h>
91	# ifndef __USE_GNU
92	# define __USE_GNU
93	# endif /* !__USE_GNU */
94	# include <ucontext.h>
95	# ifdef RT_ARCH_AMD64
96	# define REG_PC REG_RIP
97	# else /* !RT_ARCH_AMD64 */
98	# define REG_PC REG_EIP
99	# endif /* !RT_ARCH_AMD64 */
100	# endif /* RT_OS_LINUX && DEBUG */
101	#endif /* VBOX_WS_NIX */
102
103
104	/* XXX Temporarily. Don't rely on the user to hack the Makefile himself! */
105	QString g_QStrHintLinuxNoMemory = QApplication::tr(
106	"This error means that the kernel driver was either not able to "
107	"allocate enough memory or that some mapping operation failed."
108	);
109
110	QString g_QStrHintLinuxNoDriver = QApplication::tr(
111	"The VirtualBox Linux kernel driver is either not loaded or not set "
112	"up correctly. Please try setting it up again by executing<br/><br/>"
113	" <font color=blue>'/sbin/vboxconfig'</font><br/><br/>"
114	"as root.<br/><br/>"
115	"If your system has EFI Secure Boot enabled you may also need to sign "
116	"the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before "
117	"you can load them. Please see your Linux system's documentation for "
118	"more information."
119	);
120
121	QString g_QStrHintOtherWrongDriverVersion = QApplication::tr(
122	"The VirtualBox kernel modules do not match this version of "
123	"VirtualBox. The installation of VirtualBox was apparently not "
124	"successful. Please try completely uninstalling and reinstalling "
125	"VirtualBox."
126	);
127
128	QString g_QStrHintLinuxWrongDriverVersion = QApplication::tr(
129	"The VirtualBox kernel modules do not match this version of "
130	"VirtualBox. The installation of VirtualBox was apparently not "
131	"successful. Executing<br/><br/>"
132	" <font color=blue>'/sbin/vboxconfig'</font><br/><br/>"
133	"may correct this. Make sure that you are not mixing builds "
134	"of VirtualBox from different sources."
135	);
136
137	QString g_QStrHintOtherNoDriver = QApplication::tr(
138	"Make sure the kernel module has been loaded successfully."
139	);
140
141	/* I hope this isn't (C), (TM) or (R) Microsoft support ;-) */
142	QString g_QStrHintReinstall = QApplication::tr(
143	"Please try reinstalling VirtualBox."
144	);
145
146
147	#ifdef VBOX_WS_NIX
148	/** X11: For versions of Xlib which are aware of multi-threaded environments this function
149	* calls for XInitThreads() which initializes Xlib support for concurrent threads.
150	* @returns @c non-zero unless it is unsafe to make multi-threaded calls to Xlib.
151	* @remarks This is a workaround for a bug on old Xlib versions, fixed in commit
152	* 941f02e and released in Xlib version 1.1. We check for the symbol
153	* "xcb_connect" which was introduced in that version. */
154	static Status MakeSureMultiThreadingIsSafe()
155	{
156	/* Success by default: */
157	Status rc = 1;
158	/* Get a global handle to process symbols: */
159	void *pvProcess = dlopen(0, RTLD_GLOBAL \| RTLD_LAZY);
160	/* Initialize multi-thread environment only if we can obtain
161	* an address of xcb_connect symbol in this process: */
162	if (pvProcess && dlsym(pvProcess, "xcb_connect"))
163	rc = XInitThreads();
164	/* Close the handle: */
165	if (pvProcess)
166	dlclose(pvProcess);
167	/* Return result: */
168	return rc;
169	}
170
171	# if (defined(RT_OS_LINUX) && !defined(RT_ARCH_ARM64)) && defined(DEBUG)
172	/** X11, Linux, Debug: The signal handler that prints out a backtrace of the call stack.
173	* @remarks The code is taken from http://www.linuxjournal.com/article/6391. */
174	static void BackTraceSignalHandler(int sig, siginfo_t pInfo, void pSecret)
175	{
176	void *trace[16];
177	char messages = (char )0;
178	int i, iTraceSize = 0;
179	ucontext_t uc = (ucontext_t )pSecret;
180
181	/* Do something useful with siginfo_t: */
182	if (sig == SIGSEGV)
183	Log(("GUI: Got signal %d, faulty address is %p, from %p\n",
184	sig, pInfo->si_addr, uc->uc_mcontext.gregs[REG_PC]));
185	/* Or do nothing by default: */
186	else
187	Log(("GUI: Got signal %d\n", sig));
188
189	/* Acquire backtrace of 16 lvls depth: */
190	iTraceSize = backtrace(trace, 16);
191
192	/* Overwrite sigaction with caller's address: */
193	trace[1] = (void *)uc->uc_mcontext.gregs[REG_PC];
194
195	/* Translate the addresses into an array of messages: */
196	messages = backtrace_symbols(trace, iTraceSize);
197
198	/* Skip first stack frame (points here): */
199	Log(("GUI: [bt] Execution path:\n"));
200	for (i = 1; i < iTraceSize; ++i)
201	Log(("GUI: [bt] %s\n", messages[i]));
202
203	exit(0);
204	}
205
206	/** X11, Linux, Debug: Installs signal handler printing backtrace of the call stack. */
207	static void InstallSignalHandler()
208	{
209	struct sigaction sa;
210	sa.sa_sigaction = BackTraceSignalHandler;
211	sigemptyset(&sa.sa_mask);
212	sa.sa_flags = SA_RESTART \| SA_SIGINFO;
213	sigaction(SIGSEGV, &sa, 0);
214	sigaction(SIGBUS, &sa, 0);
215	sigaction(SIGUSR1, &sa, 0);
216	}
217	# endif /* RT_OS_LINUX && DEBUG */
218	#endif /* VBOX_WS_NIX */
219
220	/** Qt5 message handler, function that prints out
221	* debug, warning, critical, fatal and system error messages.
222	* @param enmType Holds the type of the message.
223	* @param context Holds the message context.
224	* @param strMessage Holds the message body. */
225	static void QtMessageOutput(QtMsgType enmType, const QMessageLogContext &context, const QString &strMessage)
226	{
227	NOREF(context);
228	# ifndef VBOX_WS_NIX
229	NOREF(strMessage);
230	# endif
231	switch (enmType)
232	{
233	case QtDebugMsg:
234	Log(("Qt DEBUG: %s\n", strMessage.toUtf8().constData()));
235	break;
236	case QtWarningMsg:
237	Log(("Qt WARNING: %s\n", strMessage.toUtf8().constData()));
238	# ifdef VBOX_WS_NIX
239	/* Needed for instance for the message ``cannot connect to X server'': */
240	RTStrmPrintf(g_pStdErr, "Qt WARNING: %s\n", strMessage.toUtf8().constData());
241	# endif
242	break;
243	case QtCriticalMsg:
244	Log(("Qt CRITICAL: %s\n", strMessage.toUtf8().constData()));
245	# ifdef VBOX_WS_NIX
246	/* Needed for instance for the message ``cannot connect to X server'': */
247	RTStrmPrintf(g_pStdErr, "Qt CRITICAL: %s\n", strMessage.toUtf8().constData());
248	# endif
249	break;
250	case QtFatalMsg:
251	Log(("Qt FATAL: %s\n", strMessage.toUtf8().constData()));
252	# ifdef VBOX_WS_NIX
253	/* Needed for instance for the message ``cannot connect to X server'': */
254	RTStrmPrintf(g_pStdErr, "Qt FATAL: %s\n", strMessage.toUtf8().constData());
255	# endif
256	break;
257	case QtInfoMsg:
258	/** @todo ignore? */
259	break;
260	}
261	}
262
263	/** Shows all available command line parameters. */
264	static void ShowHelp()
265	{
266	#ifndef VBOX_RUNTIME_UI
267	static const char s_szTitle[] = VBOX_PRODUCT " Manager";
268	#else
269	static const char s_szTitle[] = VBOX_PRODUCT " Runner";
270	#endif
271
272	static const char s_szUsage[] =
273	#ifdef VBOX_RUNTIME_UI
274	"Options:\n"
275	" --startvm <vmname\|UUID> start a VM by specifying its UUID or name\n"
276	" --separate start a separate VM process\n"
277	" --normal keep normal (windowed) mode during startup\n"
278	" --fullscreen switch to fullscreen mode during startup\n"
279	" --seamless switch to seamless mode during startup\n"
280	" --scale switch to scale mode during startup\n"
281	" --no-startvm-errormsgbox do not show a message box for VM start errors\n"
282	" --restore-current restore the current snapshot before starting\n"
283	" --no-aggressive-caching delays caching media info in VM processes\n"
284	" --fda <image\|none> Mount the specified floppy image\n"
285	" --dvd <image\|none> Mount the specified DVD image\n"
286	# ifdef VBOX_GUI_WITH_PIDFILE
287	" --pidfile <file> create a pidfile file when a VM is up and running\n"
288	# endif /* VBOX_GUI_WITH_PIDFILE */
289	# ifdef VBOX_WITH_DEBUGGER_GUI
290	" --dbg enable the GUI debug menu\n"
291	" --debug like --dbg and show debug windows at VM startup\n"
292	" --debug-command-line like --dbg and show command line window at VM startup\n"
293	" --debug-statistics like --dbg and show statistics window at VM startup\n"
294	" --statistics-expand <pat> expand the matching statistics (can be repeated)\n"
295	" --statistics-filter <pat> statistics filter\n"
296	" --statistics-config <str> statistics configuration\n"
297	" --no-debug disable the GUI debug menu and debug windows\n"
298	" --start-paused start the VM in the paused state\n"
299	" --start-running start the VM running (for overriding --debug*)\n"
300	# endif /* VBOX_WITH_DEBUGGER_GUI */
301	"\n"
302	"Expert options:\n"
303	" --execute-all-in-iem For debugging the interpreted execution mode.\n"
304	" --driverless Do not open the support driver (NEM or IEM mode).\n"
305	" --warp-pct <pct> time warp factor, 100%% (= 1.0) = normal speed\n"
306	" --no-keyboard-grabbing Don't grab the keyboard on windows (for debugging).\n"
307	"\n"
308	# ifdef VBOX_WITH_DEBUGGER_GUI
309	"The following environment (and extra data) variables are evaluated:\n"
310	" VBOX_GUI_DBG_ENABLED (GUI/Dbg/Enabled)\n"
311	" enable the GUI debug menu if set\n"
312	" VBOX_GUI_DBG_AUTO_SHOW (GUI/Dbg/AutoShow)\n"
313	" show debug windows at VM startup\n"
314	" VBOX_GUI_NO_DEBUGGER\n"
315	" disable the GUI debug menu and debug windows\n"
316	# endif /* VBOX_WITH_DEBUGGER_GUI */
317	#else
318	"No special options.\n"
319	"\n"
320	"If you are looking for --startvm and related options, you need to use VirtualBoxVM.\n"
321	#endif
322	;
323
324	RTPrintf("%s v%s\n"
325	"Copyright (C) 2005-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
326	"\n"
327	"%s",
328	s_szTitle, RTBldCfgVersion(), s_szUsage);
329
330	#ifdef VBOX_WS_WIN
331	/* Show message box. Modify the option list a little
332	* to better make it fit in the upcoming dialog. */
333	char szTitleWithVersion[sizeof(s_szTitle) + 128];
334	char szMsg[sizeof(s_szUsage) + 128];
335	char *pszDst = szMsg;
336	size_t offSrc = 0;
337	while (offSrc < sizeof(s_szUsage) - 1U)
338	{
339	char ch;
340	if ( s_szUsage[offSrc] == ' '
341	&& s_szUsage[offSrc + 1] == ' '
342	&& ( (ch = s_szUsage[offSrc + 2]) == '-' /* option line */
343	\|\| ch == 'V' /* env.var. line */))
344	{
345	/* Split option lines: */
346	if (ch == '-')
347	{
348	offSrc += 2;
349	size_t cchOption = 0;
350	while ( s_szUsage[offSrc + cchOption] != ' '
351	\|\| s_szUsage[offSrc + cchOption + 1] != ' ')
352	++cchOption;
353
354	memcpy(pszDst, &s_szUsage[offSrc], cchOption);
355	offSrc += cchOption + 2;
356	pszDst += cchOption;
357	}
358	/* Change environment variable indentation: */
359	else
360	{
361	offSrc += 2;
362	size_t cchLine = 0;
363	while ((ch = s_szUsage[offSrc + cchLine]) != '\n' && ch != '\0')
364	++cchLine;
365
366	memcpy(pszDst, &s_szUsage[offSrc], cchLine);
367	offSrc += cchLine + 1;
368	pszDst += cchLine;
369	}
370	*pszDst++ = '\n';
371	*pszDst++ = '\t';
372
373	while (s_szUsage[offSrc] == ' ')
374	++offSrc;
375	}
376
377	/* Copy up to and including end of line: */
378	while ((ch = s_szUsage[offSrc++]) != '\n' && ch != '\0')
379	*pszDst++ = ch;
380	*pszDst++ = ch;
381	}
382	*pszDst = '\0';
383
384	RTStrPrintf(szTitleWithVersion, sizeof(szTitleWithVersion), "%s v%s - Command Line Options", s_szTitle, RTBldCfgVersion());
385	MessageBoxExA(NULL /hwndOwner/, szMsg, szTitleWithVersion, MB_OK \| MB_ICONINFORMATION,
386	MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL));
387	#endif /* VBOX_WS_WIN */
388	}
389
390	extern "C" DECLEXPORT(int) TrustedMain(int argc, char argv, char /envp/)
391	{
392	#ifdef VBOX_WS_WIN
393	ATL::CComModule _Module; /* Required internally by ATL (constructor records instance in global variable). */
394	#endif
395
396	/* Failed result initially: */
397	int iResultCode = 1;
398
399	/* Start logging: */
400	LogFlowFuncEnter();
401
402	/* Simulate try-catch block: */
403	do
404	{
405	#ifdef VBOX_WS_NIX
406	/* Make sure multi-threaded environment is safe: */
407	if (!MakeSureMultiThreadingIsSafe())
408	break;
409	VBGHDISPLAYSERVERTYPE enmDisplayServerType = VBGHDisplayServerTypeDetect();
410	/* Abort before instantiating QApplication in case no active display server can be found to
411	* prevent QApplication from aborting: */
412	if (enmDisplayServerType == VBGHDISPLAYSERVERTYPE_NONE)
413	{
414	iResultCode = 1;
415	Log(("We could not detect an active display server. Exiting."));
416	RTStrmPrintf(g_pStdErr, "No active display server, X11 or Wayland, detected. Exiting.\n");
417	break;
418	}
419	if (VBGHDisplayServerTypeIsXAvailable(enmDisplayServerType))
420	/* Force using Qt platform plugin 'xcb', we have X11 specific code: */
421	RTEnvSet("QT_QPA_PLATFORM", "xcb");
422	else
423	/* Assume pure Wayland (without a X server):*/
424	RTEnvSet("QT_QPA_PLATFORM", "wayland");
425	#endif /* VBOX_WS_NIX */
426
427	/* Console help preprocessing: */
428	bool fHelpShown = false;
429	for (int i = 0; i < argc; ++i)
430	{
431	if ( !strcmp(argv[i], "-h")
432	\|\| !strcmp(argv[i], "-?")
433	\|\| !strcmp(argv[i], "-help")
434	\|\| !strcmp(argv[i], "--help"))
435	{
436	fHelpShown = true;
437	ShowHelp();
438	break;
439	}
440	}
441	if (fHelpShown)
442	{
443	iResultCode = 0;
444	break;
445	}
446
447	#ifdef VBOX_WITH_HARDENING
448	/* Make sure the image verification code works: */
449	SUPR3HardenedVerifyInit();
450	#endif /* VBOX_WITH_HARDENING */
451
452	#ifdef VBOX_WS_MAC
453	/* Prevent AppNap for Runtime UI only: */
454	bool fPreventAppNap = false;
455	# ifdef VBOX_RUNTIME_UI
456	fPreventAppNap = true;
457	# endif
458	/* Instantiate own NSApplication before QApplication do it for us: */
459	UICocoaApplication::create(fPreventAppNap);
460
461	# ifdef VBOX_RUNTIME_UI
462	/* If we're a helper app inside Resources in the main application bundle,
463	* we need to amend the library path so the platform plugin can be found.
464	* Note! This builds on the initIprtForDarwinHelperApp() hack. */
465	{
466	char szExecDir[RTPATH_MAX];
467	int vrc = RTPathExecDir(szExecDir, sizeof(szExecDir));
468	AssertRC(vrc);
469	RTPathStripTrailingSlash(szExecDir); /* .../Contents/MacOS */
470	RTPathStripFilename(szExecDir); /* .../Contents */
471	RTPathAppend(szExecDir, sizeof(szExecDir), "plugins"); /* .../Contents/plugins */
472	QCoreApplication::addLibraryPath(QString::fromUtf8(szExecDir));
473	}
474	# endif /* VBOX_RUNTIME_UI */
475	#endif /* VBOX_WS_MAC */
476
477	#ifdef VBOX_WS_NIX
478	# if (defined(RT_OS_LINUX) && !defined(RT_ARCH_ARM64)) && defined(DEBUG)
479	/* Install signal handler to backtrace the call stack: */
480	InstallSignalHandler();
481	# endif /* RT_OS_LINUX && DEBUG */
482	#endif /* VBOX_WS_NIX */
483
484	/* Install Qt console message handler: */
485	qInstallMessageHandler(QtMessageOutput);
486
487	#ifdef VBOX_WS_NIX
488	// WORKAROUND:
489	// Some Desktop Environments forcing this variable which was useful in Qt5 case.
490	// But in Qt6 case this variable is additional multiplier to scale-factor
491	// calculated automatic way, which means for x2 the effective factor will be 2x2=4.
492	// No idea how to proceed, probably we will ignore this variable for now, by
493	// setting it to be always equal to 1.
494	//qputenv("QT_SCALE_FACTOR", "1");
495	#endif /* VBOX_WS_NIX */
496
497	/* Create application: */
498	QApplication a(argc, argv);
499
500	#ifdef VBOX_WS_MAC
501	/* Disable menu icons on MacOS X host: */
502	::darwinDisableIconsInMenus();
503	#endif /* VBOX_WS_MAC */
504
505	#ifdef VBOX_WS_WIN
506	/* Drag in the sound drivers and DLLs early to get rid of the delay taking
507	* place when the main menu bar (or any action from that menu bar) is
508	* activated for the first time. This delay is especially annoying if it
509	* happens when the VM is executing in real mode (which gives 100% CPU
510	* load and slows down the load process that happens on the main GUI
511	* thread to several seconds). */
512	PlaySound(NULL, NULL, 0);
513	#endif /* VBOX_WS_WIN */
514
515	#ifdef VBOX_WS_NIX
516	/* Make all widget native.
517	* We did it to avoid various Qt crashes while testing widget attributes or acquiring winIds.
518	* Yes, we aware of note that alien widgets faster to draw but the only widget we need to be fast
519	* is viewport of VM which was always native since we are using his id for 3D service needs. */
520	a.setAttribute(Qt::AA_NativeWindows);
521
522	# ifdef Q_OS_SOLARIS
523	a.setStyle("fusion");
524	# endif /* Q_OS_SOLARIS */
525
526	# ifndef Q_OS_SOLARIS
527	/* Apply font fixes (after QApplication get created and instantiated font-family): */
528	QFontDatabase fontDataBase;
529	QString currentFamily(QApplication::font().family());
530	bool isCurrentScaleable = fontDataBase.isScalable(currentFamily);
531	QString subFamily(QFont::substitute(currentFamily));
532	bool isSubScaleable = fontDataBase.isScalable(subFamily);
533	if (isCurrentScaleable && !isSubScaleable)
534	QFont::removeSubstitutions(currentFamily);
535	# endif /* !Q_OS_SOLARIS */
536
537	/* Qt version check (major.minor are sensitive, fix number is ignored): */
538	if (UIVersionInfo::qtRTVersion() < (UIVersionInfo::qtCTVersion() & 0xFFFF00))
539	{
540	QString strMsg = QApplication::tr("Executable <b>%1</b> requires Qt %2.x, found Qt %3.")
541	.arg(qAppName())
542	.arg(UIVersionInfo::qtCTVersionString().section('.', 0, 1))
543	.arg(UIVersionInfo::qtRTVersionString());
544	QMessageBox::critical(0, QApplication::tr("Incompatible Qt Library Error"),
545	strMsg, QMessageBox::Abort, QMessageBox::NoButton);
546	qFatal("%s", strMsg.toUtf8().constData());
547	break;
548	}
549	#endif /* VBOX_WS_NIX */
550
551	/* Create modal-window manager: */
552	UIModalWindowManager::create();
553
554	#ifndef VBOX_RUNTIME_UI
555	/* Create global app instance for Selector UI: */
556	UICommon::create(UIType_ManagerUI);
557	#else
558	/* Create global app instance for Runtime UI: */
559	UICommon::create(UIType_RuntimeUI);
560	#endif
561
562	/* Simulate try-catch block: */
563	do
564	{
565	/* Exit if UICommon is not valid: */
566	if (!uiCommon().isValid())
567	break;
568	/* Exit if UICommon pre-processed arguments: */
569	if (uiCommon().processArgs())
570	break;
571
572	// WORKAROUND:
573	// Initially we wanted to make that workaround for Runtime UI only,
574	// because only there we had a strict handling for proper application quit
575	// procedure. But it appeared on X11 (as usually due to an async nature) there
576	// can happen situations that Qt application is checking whether at least one
577	// window is already shown and if not - exits prematurely _before_ it is actually
578	// shown. That can happen for example if window is not yet shown because blocked
579	// by startup error message-box which is not treated as real window by some
580	// reason. So we are making application exit manual everywhere.
581	a.setQuitOnLastWindowClosed(false);
582
583	/* Create UI starter: */
584	UIStarter uiStarter;
585	/* Request to Start UI _after_ QApplication executed: */
586	QMetaObject::invokeMethod(&uiStarter, "sltStartUI", Qt::QueuedConnection);
587
588	/* Start application: */
589	iResultCode = a.exec();
590	}
591	while (0);
592
593	/* Destroy global app instance: */
594	UICommon::destroy();
595
596	/* Destroy modal-window manager: */
597	UIModalWindowManager::destroy();
598	}
599	while (0);
600
601	/* Finish logging: */
602	LogFlowFunc(("rc=%d\n", iResultCode));
603	LogFlowFuncLeave();
604
605	/* Return result: */
606	return iResultCode;
607	}
608
609	#if !defined(VBOX_WITH_HARDENING) \|\| !defined(VBOX_RUNTIME_UI)
610
611	# if defined(RT_OS_DARWIN) && defined(VBOX_RUNTIME_UI)
612
613	extern "C" const char *_dyld_get_image_name(uint32_t);
614
615	/** Init runtime with the executable path pointing into the
616	* VirtualBox.app/Contents/MacOS/ rather than
617	* VirtualBox.app/Contents/Resource/VirtualBoxVM.app/Contents/MacOS/.
618	*
619	* This is a HACK to make codesign and friends happy on OS X. The idea is to
620	* improve and eliminate this over time.
621	*/
622	DECL_NO_INLINE(static, int) initIprtForDarwinHelperApp(int cArgs, char ***ppapszArgs, uint32_t fFlags)
623	{
624	const char *pszImageName = _dyld_get_image_name(0);
625	AssertReturn(pszImageName, VERR_INTERNAL_ERROR);
626
627	char szTmpPath[PATH_MAX + 1];
628	const char *psz = realpath(pszImageName, szTmpPath);
629	int rc;
630	if (psz)
631	{
632	char *pszFilename = RTPathFilename(szTmpPath);
633	if (pszFilename)
634	{
635	char const chSavedFilename0 = *pszFilename;
636	*pszFilename = '\0';
637	RTPathStripTrailingSlash(szTmpPath); /* VirtualBox.app/Contents/Resources/VirtualBoxVM.app/Contents/MacOS */
638	RTPathStripFilename(szTmpPath); /* VirtualBox.app/Contents/Resources/VirtualBoxVM.app/Contents/ */
639	RTPathStripFilename(szTmpPath); /* VirtualBox.app/Contents/Resources/VirtualBoxVM.app */
640	RTPathStripFilename(szTmpPath); /* VirtualBox.app/Contents/Resources */
641	RTPathStripFilename(szTmpPath); /* VirtualBox.app/Contents */
642	char *pszDst = strchr(szTmpPath, '\0');
643	pszDst = (char )memcpy(pszDst, RT_STR_TUPLE("/MacOS/")) + sizeof("/MacOS/") - 1; /* @todo where is mempcpy? */
644	*pszFilename = chSavedFilename0;
645	memmove(pszDst, pszFilename, strlen(pszFilename) + 1);
646
647	return RTR3InitEx(RTR3INIT_VER_CUR, fFlags, cArgs, ppapszArgs, szTmpPath);
648	}
649	rc = VERR_INVALID_NAME;
650	}
651	else
652	rc = RTErrConvertFromErrno(errno);
653	AssertMsgRCReturn(rc, ("rc=%Rrc pszLink=\"%s\"\nhex: %.*Rhxs\n", rc, pszImageName, strlen(pszImageName), pszImageName), rc);
654	return rc;
655	}
656	# endif
657
658
659	int main(int argc, char argv, char envp)
660	{
661	# ifdef VBOX_WS_NIX
662	/* Make sure multi-threaded environment is safe: */
663	if (!MakeSureMultiThreadingIsSafe())
664	return 1;
665	# endif /* VBOX_WS_NIX */
666
667	/*
668	* Determine the IPRT/SUPLib initialization flags if runtime UI process.
669	* Only initialize SUPLib if about to start a VM in this process.
670	*
671	* Note! This must must match the corresponding parsing in hardenedmain.cpp
672	* and UICommon.cpp exactly, otherwise there will be weird error messages.
673	*/
674	/** @todo r=bird: We should consider just postponing this stuff till VM
675	* creation, it shouldn't make too much of a difference GIP-wise. */
676	uint32_t fFlags = 0;
677	# ifdef VBOX_RUNTIME_UI
678	unsigned cOptionsLeft = 4;
679	bool fStartVM = false;
680	bool fSeparateProcess = false;
681	bool fExecuteAllInIem = false;
682	bool fDriverless = false;
683	for (int i = 1; i < argc && cOptionsLeft > 0; ++i)
684	{
685	if ( !strcmp(argv[i], "--startvm")
686	\|\| !strcmp(argv[i], "-startvm"))
687	{
688	cOptionsLeft -= fStartVM == false;
689	fStartVM = true;
690	i++;
691	}
692	else if ( !strcmp(argv[i], "--separate")
693	\|\| !strcmp(argv[i], "-separate"))
694	{
695	cOptionsLeft -= fSeparateProcess == false;
696	fSeparateProcess = true;
697	}
698	else if (!strcmp(argv[i], "--execute-all-in-iem"))
699	{
700	cOptionsLeft -= fExecuteAllInIem == false;
701	fExecuteAllInIem = true;
702	}
703	else if (!strcmp(argv[i], "--driverless"))
704	{
705	cOptionsLeft -= fDriverless == false;
706	fDriverless = true;
707	}
708	}
709	if (fStartVM && !fSeparateProcess)
710	{
711	fFlags \|= RTR3INIT_FLAGS_TRY_SUPLIB;
712	if (fExecuteAllInIem)
713	fFlags \|= SUPR3INIT_F_DRIVERLESS_IEM_ALLOWED << RTR3INIT_FLAGS_SUPLIB_SHIFT;
714	if (fDriverless)
715	fFlags \|= SUPR3INIT_F_DRIVERLESS << RTR3INIT_FLAGS_SUPLIB_SHIFT;
716	}
717	# endif /* VBOX_RUNTIME_UI */
718
719	/* Initialize VBox Runtime: */
720	# if defined(RT_OS_DARWIN) && defined(VBOX_RUNTIME_UI)
721	int rc = initIprtForDarwinHelperApp(argc, &argv, fFlags);
722	# else
723	int rc = RTR3InitExe(argc, &argv, fFlags);
724	# endif
725	/* Initialization failed: */
726	if (RT_FAILURE(rc))
727	{
728	/* We have to create QApplication anyway
729	* just to show the only one error-message: */
730	QApplication a(argc, &argv[0]);
731	Q_UNUSED(a);
732
733	# ifdef Q_OS_SOLARIS
734	a.setStyle("fusion");
735	# endif
736
737	/* Prepare the error-message: */
738	QString strTitle = QApplication::tr("VirtualBox - Runtime Error");
739	QString strText = "<html>";
740	switch (rc)
741	{
742	case VERR_VM_DRIVER_NOT_INSTALLED:
743	case VERR_VM_DRIVER_LOAD_ERROR:
744	strText += QApplication::tr("<b>Cannot access the kernel driver!</b><br/><br/>");
745	# ifdef RT_OS_LINUX
746	strText += g_QStrHintLinuxNoDriver;
747	# else
748	strText += g_QStrHintOtherNoDriver;
749	# endif
750	break;
751	# ifdef RT_OS_LINUX
752	case VERR_NO_MEMORY:
753	strText += g_QStrHintLinuxNoMemory;
754	break;
755	# endif
756	case VERR_VM_DRIVER_NOT_ACCESSIBLE:
757	strText += QApplication::tr("Kernel driver not accessible");
758	break;
759	case VERR_VM_DRIVER_VERSION_MISMATCH:
760	# ifdef RT_OS_LINUX
761	strText += g_QStrHintLinuxWrongDriverVersion;
762	# else
763	strText += g_QStrHintOtherWrongDriverVersion;
764	# endif
765	break;
766	default:
767	strText += QApplication::tr("Unknown error %2 during initialization of the Runtime").arg(rc);
768	break;
769	}
770	strText += "</html>";
771
772	/* Show the error-message: */
773	QMessageBox::critical(0 /* parent */, strTitle, strText,
774	QMessageBox::Abort /* 1st button /, QMessageBox::NoButton / 2nd button */);
775
776	/* Default error-result: */
777	return 1;
778	}
779
780	/* Call to actual main function: */
781	return TrustedMain(argc, argv, envp);
782	}
783
784	#endif /* !VBOX_WITH_HARDENING \|\| !VBOX_RUNTIME_UI */
785
786	#ifdef VBOX_WITH_HARDENING
787
788	/**
789	* Special entrypoint used by the hardening code when something goes south.
790	*
791	* Display an error dialog to the user.
792	*
793	* @param pszWhere Indicates where the error occured.
794	* @param enmWhat Indicates what init operation was going on at the time.
795	* @param rc The VBox status code corresponding to the error.
796	* @param pszMsgFmt The message format string.
797	* @param va Format arguments.
798	*/
799	extern "C" DECLEXPORT(void) TrustedError(const char pszWhere, SUPINITOP enmWhat, int rc, const char pszMsgFmt, va_list va)
800	{
801	char szMsgBuf[_16K];
802
803	/*
804	* We have to create QApplication anyway just to show the only one error-message.
805	* This is a bit hackish as we don't have the argument vector handy.
806	*/
807	int argc = 0;
808	char *argv[2] = { NULL, NULL };
809	QApplication a(argc, &argv[0]);
810
811	/*
812	* The details starts off a properly formatted rc and where/what, we use
813	* the szMsgBuf for this, thus this have to come before the actual message
814	* formatting.
815	*/
816	RTStrPrintf(szMsgBuf, sizeof(szMsgBuf),
817	"<!--EOM-->"
818	"where: %s\n"
819	"what: %d\n"
820	"%Rra\n",
821	pszWhere, enmWhat, rc);
822	QString strDetails = szMsgBuf;
823
824	/*
825	* Format the error message. Take whatever comes after a double new line as
826	* something better off in the details section.
827	*/
828	RTStrPrintfV(szMsgBuf, sizeof(szMsgBuf), pszMsgFmt, va);
829
830	char *pszDetails = strstr(szMsgBuf, "\n\n");
831	if (pszDetails)
832	{
833	while (RT_C_IS_SPACE(*pszDetails))
834	*pszDetails++ = '\0';
835	if (*pszDetails)
836	{
837	strDetails += "\n";
838	strDetails += pszDetails;
839	}
840	RTStrStripR(szMsgBuf);
841	}
842
843	QString strText = QApplication::tr("<html><b>%1 (rc=%2)</b><br/><br/>").arg(szMsgBuf).arg(rc);
844	strText.replace(QString("\n"), QString("<br>"));
845
846	/*
847	* Append possibly helpful hints to the error message.
848	*/
849	switch (enmWhat)
850	{
851	case kSupInitOp_Driver:
852	# ifdef RT_OS_LINUX
853	strText += g_QStrHintLinuxNoDriver;
854	# else /* RT_OS_LINUX */
855	strText += g_QStrHintOtherNoDriver;
856	# endif /* !RT_OS_LINUX */
857	break;
858	case kSupInitOp_IPRT:
859	case kSupInitOp_Misc:
860	if (rc == VERR_VM_DRIVER_VERSION_MISMATCH)
861	# ifndef RT_OS_LINUX
862	strText += g_QStrHintOtherWrongDriverVersion;
863	# else
864	strText += g_QStrHintLinuxWrongDriverVersion;
865	else if (rc == VERR_NO_MEMORY)
866	strText += g_QStrHintLinuxNoMemory;
867	# endif
868	else
869	strText += g_QStrHintReinstall;
870	break;
871	case kSupInitOp_Integrity:
872	case kSupInitOp_RootCheck:
873	strText += g_QStrHintReinstall;
874	break;
875	default:
876	/* no hints here */
877	break;
878	}
879
880	# ifdef VBOX_WS_NIX
881	/* We have to to make sure that we display the error-message
882	* after the parent displayed its own message. */
883	sleep(2);
884	# endif /* VBOX_WS_NIX */
885
886	/* Update strText with strDetails: */
887	if (!strDetails.isEmpty())
888	strText += QString("<br><br>%1").arg(strDetails);
889
890	/* Close the <html> scope: */
891	strText += "</html>";
892
893	/* Create and show the error message-box: */
894	QMessageBox::critical(0, QApplication::tr("VirtualBox - Error In %1").arg(pszWhere), strText);
895
896	qFatal("%s", strText.toUtf8().constData());
897	}
898
899	#endif /* VBOX_WITH_HARDENING */

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/main.cpp@ 105266

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