| 1 | /* $Id: main.cpp 79365 2019-06-26 15:57:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - The main() function.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | /* Qt includes: */
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| 19 | #include <QApplication>
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| 20 | #include <QMessageBox>
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| 21 | #ifdef VBOX_WS_X11
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| 22 | # ifndef Q_OS_SOLARIS
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| 23 | # include <QFontDatabase>
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| 24 | # endif
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| 25 | #endif
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| 26 |
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| 27 | /* GUI includes: */
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| 28 | #include "UICommon.h"
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| 29 | #include "UIStarter.h"
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| 30 | #include "UIModalWindowManager.h"
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| 31 | #ifdef VBOX_WS_MAC
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| 32 | # include "VBoxUtils.h"
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| 33 | # include "UICocoaApplication.h"
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| 34 | #endif /* VBOX_WS_MAC */
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| 35 |
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| 36 | /* Other VBox includes: */
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| 37 | #include <iprt/buildconfig.h>
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| 38 | #include <iprt/stream.h>
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| 39 | #include <VBox/err.h>
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| 40 | #include <VBox/version.h>
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| 41 | #ifdef VBOX_WITH_HARDENING
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| 42 | # include <VBox/sup.h>
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| 43 | #endif
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| 44 | #if !defined(VBOX_WITH_HARDENING) || !defined(VBOX_RUNTIME_UI)
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| 45 | # include <iprt/initterm.h>
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| 46 | # ifdef VBOX_WS_MAC
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| 47 | # include <iprt/asm.h>
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| 48 | # endif
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| 49 | #endif
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| 50 | #ifdef VBOX_WS_X11
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| 51 | # include <iprt/env.h>
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| 52 | #endif
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| 53 | #ifdef VBOX_WITH_HARDENING
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| 54 | # include <iprt/ctype.h>
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| 55 | #endif
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| 56 |
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| 57 | /* Other includes: */
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| 58 | #ifdef VBOX_WS_MAC
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| 59 | # include <dlfcn.h>
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| 60 | # include <sys/mman.h>
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| 61 | #endif /* VBOX_WS_MAC */
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| 62 | #ifdef VBOX_WS_X11
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| 63 | # include <dlfcn.h>
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| 64 | # include <unistd.h>
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| 65 | # include <X11/Xlib.h>
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| 66 | # if defined(RT_OS_LINUX) && defined(DEBUG)
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| 67 | # include <signal.h>
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| 68 | # include <execinfo.h>
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| 69 | # ifndef __USE_GNU
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| 70 | # define __USE_GNU
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| 71 | # endif /* !__USE_GNU */
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| 72 | # include <ucontext.h>
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| 73 | # ifdef RT_ARCH_AMD64
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| 74 | # define REG_PC REG_RIP
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| 75 | # else /* !RT_ARCH_AMD64 */
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| 76 | # define REG_PC REG_EIP
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| 77 | # endif /* !RT_ARCH_AMD64 */
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| 78 | # endif /* RT_OS_LINUX && DEBUG */
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| 79 | #endif /* VBOX_WS_X11 */
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| 80 |
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| 81 |
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| 82 | /* XXX Temporarily. Don't rely on the user to hack the Makefile himself! */
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| 83 | QString g_QStrHintLinuxNoMemory = QApplication::tr(
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| 84 | "This error means that the kernel driver was either not able to "
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| 85 | "allocate enough memory or that some mapping operation failed."
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| 86 | );
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| 87 |
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| 88 | QString g_QStrHintLinuxNoDriver = QApplication::tr(
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| 89 | "The VirtualBox Linux kernel driver is either not loaded or not set "
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| 90 | "up correctly. Please try setting it up again by executing<br/><br/>"
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| 91 | " <font color=blue>'/sbin/vboxconfig'</font><br/><br/>"
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| 92 | "as root.<br/><br/>"
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| 93 | "If your system has EFI Secure Boot enabled you may also need to sign "
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| 94 | "the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before "
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| 95 | "you can load them. Please see your Linux system's documentation for "
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| 96 | "more information."
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| 97 | );
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| 98 |
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| 99 | QString g_QStrHintOtherWrongDriverVersion = QApplication::tr(
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| 100 | "The VirtualBox kernel modules do not match this version of "
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| 101 | "VirtualBox. The installation of VirtualBox was apparently not "
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| 102 | "successful. Please try completely uninstalling and reinstalling "
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| 103 | "VirtualBox."
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| 104 | );
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| 105 |
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| 106 | QString g_QStrHintLinuxWrongDriverVersion = QApplication::tr(
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| 107 | "The VirtualBox kernel modules do not match this version of "
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| 108 | "VirtualBox. The installation of VirtualBox was apparently not "
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| 109 | "successful. Executing<br/><br/>"
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| 110 | " <font color=blue>'/sbin/vboxconfig'</font><br/><br/>"
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| 111 | "may correct this. Make sure that you are not mixing builds "
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| 112 | "of VirtualBox from different sources."
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| 113 | );
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| 114 |
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| 115 | QString g_QStrHintOtherNoDriver = QApplication::tr(
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| 116 | "Make sure the kernel module has been loaded successfully."
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| 117 | );
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| 118 |
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| 119 | /* I hope this isn't (C), (TM) or (R) Microsoft support ;-) */
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| 120 | QString g_QStrHintReinstall = QApplication::tr(
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| 121 | "Please try reinstalling VirtualBox."
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| 122 | );
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| 123 |
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| 124 |
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| 125 | #ifdef VBOX_WS_MAC
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| 126 | /**
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| 127 | * Mac OS X: Really ugly hack to bypass a set-uid check in AppKit.
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| 128 | *
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| 129 | * This will modify the issetugid() function to always return zero. This must
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| 130 | * be done _before_ AppKit is initialized, otherwise it will refuse to play ball
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| 131 | * with us as it distrusts set-uid processes since Snow Leopard. We, however,
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| 132 | * have carefully dropped all root privileges at this point and there should be
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| 133 | * no reason for any security concern here.
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| 134 | */
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| 135 | static void HideSetUidRootFromAppKit()
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| 136 | {
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| 137 | /* Find issetguid() and make it always return 0 by modifying the code: */
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| 138 | void *pvAddr = dlsym(RTLD_DEFAULT, "issetugid");
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| 139 | int rc = mprotect((void *)((uintptr_t)pvAddr & ~(uintptr_t)0xfff), 0x2000, PROT_WRITE | PROT_READ | PROT_EXEC);
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| 140 | if (!rc)
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| 141 | ASMAtomicWriteU32((volatile uint32_t *)pvAddr, 0xccc3c031); /* xor eax, eax; ret; int3 */
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| 142 | }
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| 143 | #endif /* VBOX_WS_MAC */
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| 144 |
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| 145 | #ifdef VBOX_WS_X11
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| 146 | /** X11: For versions of Xlib which are aware of multi-threaded environments this function
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| 147 | * calls for XInitThreads() which initializes Xlib support for concurrent threads.
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| 148 | * @returns @c non-zero unless it is unsafe to make multi-threaded calls to Xlib.
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| 149 | * @remarks This is a workaround for a bug on old Xlib versions, fixed in commit
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| 150 | * 941f02e and released in Xlib version 1.1. We check for the symbol
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| 151 | * "xcb_connect" which was introduced in that version. */
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| 152 | static Status MakeSureMultiThreadingIsSafe()
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| 153 | {
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| 154 | /* Success by default: */
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| 155 | Status rc = 1;
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| 156 | /* Get a global handle to process symbols: */
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| 157 | void *pvProcess = dlopen(0, RTLD_GLOBAL | RTLD_LAZY);
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| 158 | /* Initialize multi-thread environment only if we can obtain
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| 159 | * an address of xcb_connect symbol in this process: */
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| 160 | if (pvProcess && dlsym(pvProcess, "xcb_connect"))
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| 161 | rc = XInitThreads();
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| 162 | /* Close the handle: */
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| 163 | if (pvProcess)
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| 164 | dlclose(pvProcess);
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| 165 | /* Return result: */
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| 166 | return rc;
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| 167 | }
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| 168 |
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| 169 | # if defined(RT_OS_LINUX) && defined(DEBUG)
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| 170 | /** X11, Linux, Debug: The signal handler that prints out a backtrace of the call stack.
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| 171 | * @remarks The code is taken from http://www.linuxjournal.com/article/6391. */
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| 172 | static void BackTraceSignalHandler(int sig, siginfo_t *pInfo, void *pSecret)
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| 173 | {
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| 174 | void *trace[16];
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| 175 | char **messages = (char **)0;
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| 176 | int i, iTraceSize = 0;
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| 177 | ucontext_t *uc = (ucontext_t *)pSecret;
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| 178 |
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| 179 | /* Do something useful with siginfo_t: */
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| 180 | if (sig == SIGSEGV)
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| 181 | Log(("GUI: Got signal %d, faulty address is %p, from %p\n",
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| 182 | sig, pInfo->si_addr, uc->uc_mcontext.gregs[REG_PC]));
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| 183 | /* Or do nothing by default: */
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| 184 | else
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| 185 | Log(("GUI: Got signal %d\n", sig));
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| 186 |
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| 187 | /* Acquire backtrace of 16 lvls depth: */
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| 188 | iTraceSize = backtrace(trace, 16);
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| 189 |
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| 190 | /* Overwrite sigaction with caller's address: */
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| 191 | trace[1] = (void *)uc->uc_mcontext.gregs[REG_PC];
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| 192 |
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| 193 | /* Translate the addresses into an array of messages: */
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| 194 | messages = backtrace_symbols(trace, iTraceSize);
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| 195 |
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| 196 | /* Skip first stack frame (points here): */
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| 197 | Log(("GUI: [bt] Execution path:\n"));
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| 198 | for (i = 1; i < iTraceSize; ++i)
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| 199 | Log(("GUI: [bt] %s\n", messages[i]));
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| 200 |
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| 201 | exit(0);
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| 202 | }
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| 203 |
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| 204 | /** X11, Linux, Debug: Installs signal handler printing backtrace of the call stack. */
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| 205 | static void InstallSignalHandler()
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| 206 | {
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| 207 | struct sigaction sa;
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| 208 | sa.sa_sigaction = BackTraceSignalHandler;
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| 209 | sigemptyset(&sa.sa_mask);
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| 210 | sa.sa_flags = SA_RESTART | SA_SIGINFO;
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| 211 | sigaction(SIGSEGV, &sa, 0);
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| 212 | sigaction(SIGBUS, &sa, 0);
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| 213 | sigaction(SIGUSR1, &sa, 0);
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| 214 | }
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| 215 | # endif /* RT_OS_LINUX && DEBUG */
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| 216 | #endif /* VBOX_WS_X11 */
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| 217 |
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| 218 | /** Qt5 message handler, function that prints out
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| 219 | * debug, warning, critical, fatal and system error messages.
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| 220 | * @param type Holds the type of the message.
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| 221 | * @param context Holds the message context.
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| 222 | * @param strMessage Holds the message body. */
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| 223 | static void QtMessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &strMessage)
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| 224 | {
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| 225 | NOREF(context);
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| 226 | # ifndef VBOX_WS_X11
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| 227 | NOREF(strMessage);
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| 228 | # endif
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| 229 | switch (type)
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| 230 | {
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| 231 | case QtDebugMsg:
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| 232 | Log(("Qt DEBUG: %s\n", strMessage.toUtf8().constData()));
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| 233 | break;
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| 234 | case QtWarningMsg:
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| 235 | Log(("Qt WARNING: %s\n", strMessage.toUtf8().constData()));
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| 236 | # ifdef VBOX_WS_X11
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| 237 | /* Needed for instance for the message ``cannot connect to X server'': */
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| 238 | RTStrmPrintf(g_pStdErr, "Qt WARNING: %s\n", strMessage.toUtf8().constData());
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| 239 | # endif
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| 240 | break;
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| 241 | case QtCriticalMsg:
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| 242 | Log(("Qt CRITICAL: %s\n", strMessage.toUtf8().constData()));
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| 243 | # ifdef VBOX_WS_X11
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| 244 | /* Needed for instance for the message ``cannot connect to X server'': */
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| 245 | RTStrmPrintf(g_pStdErr, "Qt CRITICAL: %s\n", strMessage.toUtf8().constData());
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| 246 | # endif
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| 247 | break;
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| 248 | case QtFatalMsg:
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| 249 | Log(("Qt FATAL: %s\n", strMessage.toUtf8().constData()));
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| 250 | # ifdef VBOX_WS_X11
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| 251 | /* Needed for instance for the message ``cannot connect to X server'': */
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| 252 | RTStrmPrintf(g_pStdErr, "Qt FATAL: %s\n", strMessage.toUtf8().constData());
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| 253 | # endif
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| 254 | # if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
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| 255 | case QtInfoMsg:
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| 256 | /** @todo ignore? */
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| 257 | break;
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| 258 | # endif
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| 259 | }
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| 260 | }
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| 261 |
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| 262 | /** Shows all available command line parameters. */
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| 263 | static void ShowHelp()
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| 264 | {
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| 265 | #ifndef VBOX_RUNTIME_UI
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| 266 | static const char s_szTitle[] = VBOX_PRODUCT " VM Selector";
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| 267 | #else
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| 268 | static const char s_szTitle[] = VBOX_PRODUCT " VM Runner";
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| 269 | #endif
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| 270 | static const char s_szUsage[] =
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| 271 | #ifdef VBOX_RUNTIME_UI
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| 272 | "Options:\n"
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| 273 | " --startvm <vmname|UUID> start a VM by specifying its UUID or name\n"
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| 274 | " --separate start a separate VM process\n"
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| 275 | " --normal keep normal (windowed) mode during startup\n"
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| 276 | " --fullscreen switch to fullscreen mode during startup\n"
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| 277 | " --seamless switch to seamless mode during startup\n"
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| 278 | " --scale switch to scale mode during startup\n"
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| 279 | " --no-startvm-errormsgbox do not show a message box for VM start errors\n"
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| 280 | " --restore-current restore the current snapshot before starting\n"
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| 281 | " --no-aggressive-caching delays caching media info in VM processes\n"
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| 282 | " --fda <image|none> Mount the specified floppy image\n"
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| 283 | " --dvd <image|none> Mount the specified DVD image\n"
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| 284 | # ifdef VBOX_GUI_WITH_PIDFILE
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| 285 | " --pidfile <file> create a pidfile file when a VM is up and running\n"
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| 286 | # endif /* VBOX_GUI_WITH_PIDFILE */
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| 287 | # ifdef VBOX_WITH_DEBUGGER_GUI
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| 288 | " --dbg enable the GUI debug menu\n"
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| 289 | " --debug like --dbg and show debug windows at VM startup\n"
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| 290 | " --debug-command-line like --dbg and show command line window at VM startup\n"
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| 291 | " --debug-statistics like --dbg and show statistics window at VM startup\n"
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| 292 | " --no-debug disable the GUI debug menu and debug windows\n"
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| 293 | " --start-paused start the VM in the paused state\n"
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| 294 | " --start-running start the VM running (for overriding --debug*)\n"
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| 295 | # endif /* VBOX_WITH_DEBUGGER_GUI */
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| 296 | "\n"
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| 297 | "Expert options:\n"
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| 298 | " --disable-patm disable code patching (ignored by AMD-V/VT-x)\n"
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| 299 | " --disable-csam disable code scanning (ignored by AMD-V/VT-x)\n"
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| 300 | " --recompile-supervisor recompiled execution of supervisor code (*)\n"
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| 301 | " --recompile-user recompiled execution of user code (*)\n"
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| 302 | " --recompile-all recompiled execution of all code, with disabled\n"
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| 303 | " code patching and scanning\n"
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| 304 | " --execute-all-in-iem For debugging the interpreted execution mode.\n"
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| 305 | " --warp-pct <pct> time warp factor, 100%% (= 1.0) = normal speed\n"
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| 306 | " (*) For AMD-V/VT-x setups the effect is --recompile-all.\n"
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| 307 | "\n"
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| 308 | # ifdef VBOX_WITH_DEBUGGER_GUI
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| 309 | "The following environment (and extra data) variables are evaluated:\n"
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| 310 | " VBOX_GUI_DBG_ENABLED (GUI/Dbg/Enabled)\n"
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| 311 | " enable the GUI debug menu if set\n"
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| 312 | " VBOX_GUI_DBG_AUTO_SHOW (GUI/Dbg/AutoShow)\n"
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| 313 | " show debug windows at VM startup\n"
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| 314 | " VBOX_GUI_NO_DEBUGGER\n"
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| 315 | " disable the GUI debug menu and debug windows\n"
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| 316 | # endif /* VBOX_WITH_DEBUGGER_GUI */
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| 317 | #else
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| 318 | "No special options.\n"
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| 319 | "\n"
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| 320 | "If you are looking for --startvm and related options, you need to use VirtualBoxVM.\n"
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| 321 | #endif
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| 322 | ;
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| 323 |
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| 324 | RTPrintf("%s v%s\n"
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| 325 | "(C) 2005-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
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| 326 | "All rights reserved.\n"
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| 327 | "\n"
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| 328 | "%s",
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| 329 | s_szTitle, RTBldCfgVersion(), s_szUsage);
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| 330 |
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| 331 | #ifdef RT_OS_WINDOWS
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| 332 | /* Show message box. Modify the option list a little
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| 333 | * to better make it fit in the upcoming dialog. */
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| 334 | char szTitleWithVersion[sizeof(s_szTitle) + 128];
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| 335 | char szMsg[sizeof(s_szUsage) + 128];
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| 336 | char *pszDst = szMsg;
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| 337 | size_t offSrc = 0;
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| 338 | while (offSrc < sizeof(s_szUsage) - 1U)
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| 339 | {
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| 340 | char ch;
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| 341 | if ( s_szUsage[offSrc] == ' '
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| 342 | && s_szUsage[offSrc + 1] == ' '
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| 343 | && ( (ch = s_szUsage[offSrc + 2]) == '-' /* option line */
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| 344 | || ch == 'V' /* env.var. line */))
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| 345 | {
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| 346 | /* Split option lines: */
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| 347 | if (ch == '-')
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| 348 | {
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| 349 | offSrc += 2;
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| 350 | size_t cchOption = 0;
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| 351 | while ( s_szUsage[offSrc + cchOption] != ' '
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| 352 | || s_szUsage[offSrc + cchOption + 1] != ' ')
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| 353 | ++cchOption;
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| 354 |
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| 355 | memcpy(pszDst, &s_szUsage[offSrc], cchOption);
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| 356 | offSrc += cchOption + 2;
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| 357 | pszDst += cchOption;
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| 358 | }
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| 359 | /* Change environment variable indentation: */
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| 360 | else
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| 361 | {
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| 362 | offSrc += 2;
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| 363 | size_t cchLine = 0;
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| 364 | while ((ch = s_szUsage[offSrc + cchLine]) != '\n' && ch != '\0')
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| 365 | ++cchLine;
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| 366 |
|
|---|
| 367 | memcpy(pszDst, &s_szUsage[offSrc], cchLine);
|
|---|
| 368 | offSrc += cchLine + 1;
|
|---|
| 369 | pszDst += cchLine;
|
|---|
| 370 | }
|
|---|
| 371 | *pszDst++ = '\n';
|
|---|
| 372 | *pszDst++ = '\t';
|
|---|
| 373 |
|
|---|
| 374 | while (s_szUsage[offSrc] == ' ')
|
|---|
| 375 | ++offSrc;
|
|---|
| 376 | }
|
|---|
| 377 |
|
|---|
| 378 | /* Copy up to and including end of line: */
|
|---|
| 379 | while ((ch = s_szUsage[offSrc++]) != '\n' && ch != '\0')
|
|---|
| 380 | *pszDst++ = ch;
|
|---|
| 381 | *pszDst++ = ch;
|
|---|
| 382 | }
|
|---|
| 383 | *pszDst = '\0';
|
|---|
| 384 |
|
|---|
| 385 | RTStrPrintf(szTitleWithVersion, sizeof(szTitleWithVersion), "%s v%s - Command Line Options", s_szTitle, RTBldCfgVersion());
|
|---|
| 386 | MessageBoxExA(NULL /*hwndOwner*/, szMsg, szTitleWithVersion, MB_OK | MB_ICONINFORMATION,
|
|---|
| 387 | MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL));
|
|---|
| 388 | #endif
|
|---|
| 389 | }
|
|---|
| 390 |
|
|---|
| 391 | extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char ** /*envp*/)
|
|---|
| 392 | {
|
|---|
| 393 | #ifdef RT_OS_WINDOWS
|
|---|
| 394 | ATL::CComModule _Module; /* Required internally by ATL (constructor records instance in global variable). */
|
|---|
| 395 | #endif
|
|---|
| 396 |
|
|---|
| 397 | /* Failed result initially: */
|
|---|
| 398 | int iResultCode = 1;
|
|---|
| 399 |
|
|---|
| 400 | /* Start logging: */
|
|---|
| 401 | LogFlowFuncEnter();
|
|---|
| 402 |
|
|---|
| 403 | /* Simulate try-catch block: */
|
|---|
| 404 | do
|
|---|
| 405 | {
|
|---|
| 406 | #ifdef VBOX_WS_MAC
|
|---|
| 407 | /* Hide setuid root from AppKit: */
|
|---|
| 408 | HideSetUidRootFromAppKit();
|
|---|
| 409 | #endif /* VBOX_WS_MAC */
|
|---|
| 410 |
|
|---|
| 411 | #ifdef VBOX_WS_X11
|
|---|
| 412 | /* Make sure multi-threaded environment is safe: */
|
|---|
| 413 | if (!MakeSureMultiThreadingIsSafe())
|
|---|
| 414 | break;
|
|---|
| 415 | #endif /* VBOX_WS_X11 */
|
|---|
| 416 |
|
|---|
| 417 | /* Console help preprocessing: */
|
|---|
| 418 | bool fHelpShown = false;
|
|---|
| 419 | for (int i = 0; i < argc; ++i)
|
|---|
| 420 | {
|
|---|
| 421 | if ( !strcmp(argv[i], "-h")
|
|---|
| 422 | || !strcmp(argv[i], "-?")
|
|---|
| 423 | || !strcmp(argv[i], "-help")
|
|---|
| 424 | || !strcmp(argv[i], "--help"))
|
|---|
| 425 | {
|
|---|
| 426 | fHelpShown = true;
|
|---|
| 427 | ShowHelp();
|
|---|
| 428 | break;
|
|---|
| 429 | }
|
|---|
| 430 | }
|
|---|
| 431 | if (fHelpShown)
|
|---|
| 432 | {
|
|---|
| 433 | iResultCode = 0;
|
|---|
| 434 | break;
|
|---|
| 435 | }
|
|---|
| 436 |
|
|---|
| 437 | #ifdef VBOX_WITH_HARDENING
|
|---|
| 438 | /* Make sure the image verification code works: */
|
|---|
| 439 | SUPR3HardenedVerifyInit();
|
|---|
| 440 | #endif /* VBOX_WITH_HARDENING */
|
|---|
| 441 |
|
|---|
| 442 | #ifdef VBOX_WS_MAC
|
|---|
| 443 | /* Apply font fixes (before QApplication get created and instantiated font-hints): */
|
|---|
| 444 | switch (UICommon::determineOsRelease())
|
|---|
| 445 | {
|
|---|
| 446 | case MacOSXRelease_Mavericks: QFont::insertSubstitution(".Lucida Grande UI", "Lucida Grande"); break;
|
|---|
| 447 | case MacOSXRelease_Yosemite: QFont::insertSubstitution(".Helvetica Neue DeskInterface", "Helvetica Neue"); break;
|
|---|
| 448 | case MacOSXRelease_ElCapitan: QFont::insertSubstitution(".SF NS Text", "Helvetica Neue"); break;
|
|---|
| 449 | default: break;
|
|---|
| 450 | }
|
|---|
| 451 |
|
|---|
| 452 | /* Instantiate own NSApplication before QApplication do it for us: */
|
|---|
| 453 | UICocoaApplication::instance();
|
|---|
| 454 | #endif /* VBOX_WS_MAC */
|
|---|
| 455 |
|
|---|
| 456 | #ifdef VBOX_WS_X11
|
|---|
| 457 | # if defined(RT_OS_LINUX) && defined(DEBUG)
|
|---|
| 458 | /* Install signal handler to backtrace the call stack: */
|
|---|
| 459 | InstallSignalHandler();
|
|---|
| 460 | # endif /* RT_OS_LINUX && DEBUG */
|
|---|
| 461 | #endif /* VBOX_WS_X11 */
|
|---|
| 462 |
|
|---|
| 463 | /* Install Qt console message handler: */
|
|---|
| 464 | qInstallMessageHandler(QtMessageOutput);
|
|---|
| 465 |
|
|---|
| 466 | /* Enable HiDPI support: */
|
|---|
| 467 | QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
|
|---|
| 468 | #if (!defined(DEBUG_bird) || defined(RT_OS_DARWIN))
|
|---|
| 469 | QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
|
|---|
| 470 | #endif
|
|---|
| 471 |
|
|---|
| 472 | /* Create application: */
|
|---|
| 473 | QApplication a(argc, argv);
|
|---|
| 474 |
|
|---|
| 475 | #ifdef VBOX_WS_WIN
|
|---|
| 476 | /* Drag in the sound drivers and DLLs early to get rid of the delay taking
|
|---|
| 477 | * place when the main menu bar (or any action from that menu bar) is
|
|---|
| 478 | * activated for the first time. This delay is especially annoying if it
|
|---|
| 479 | * happens when the VM is executing in real mode (which gives 100% CPU
|
|---|
| 480 | * load and slows down the load process that happens on the main GUI
|
|---|
| 481 | * thread to several seconds). */
|
|---|
| 482 | PlaySound(NULL, NULL, 0);
|
|---|
| 483 | #endif /* VBOX_WS_WIN */
|
|---|
| 484 |
|
|---|
| 485 | #ifdef VBOX_WS_MAC
|
|---|
| 486 | /* Disable menu icons on MacOS X host: */
|
|---|
| 487 | ::darwinDisableIconsInMenus();
|
|---|
| 488 | #endif /* VBOX_WS_MAC */
|
|---|
| 489 |
|
|---|
| 490 | #ifdef VBOX_WS_X11
|
|---|
| 491 | /* Make all widget native.
|
|---|
| 492 | * We did it to avoid various Qt crashes while testing widget attributes or acquiring winIds.
|
|---|
| 493 | * Yes, we aware of note that alien widgets faster to draw but the only widget we need to be fast
|
|---|
| 494 | * is viewport of VM which was always native since we are using his id for 3D service needs. */
|
|---|
| 495 | a.setAttribute(Qt::AA_NativeWindows);
|
|---|
| 496 |
|
|---|
| 497 | # ifdef Q_OS_SOLARIS
|
|---|
| 498 | a.setStyle("fusion");
|
|---|
| 499 | # endif /* Q_OS_SOLARIS */
|
|---|
| 500 |
|
|---|
| 501 | # ifndef Q_OS_SOLARIS
|
|---|
| 502 | /* Apply font fixes (after QApplication get created and instantiated font-family): */
|
|---|
| 503 | QFontDatabase fontDataBase;
|
|---|
| 504 | QString currentFamily(QApplication::font().family());
|
|---|
| 505 | bool isCurrentScaleable = fontDataBase.isScalable(currentFamily);
|
|---|
| 506 | QString subFamily(QFont::substitute(currentFamily));
|
|---|
| 507 | bool isSubScaleable = fontDataBase.isScalable(subFamily);
|
|---|
| 508 | if (isCurrentScaleable && !isSubScaleable)
|
|---|
| 509 | QFont::removeSubstitutions(currentFamily);
|
|---|
| 510 | # endif /* !Q_OS_SOLARIS */
|
|---|
| 511 |
|
|---|
| 512 | /* Qt version check (major.minor are sensitive, fix number is ignored): */
|
|---|
| 513 | if (UICommon::qtRTVersion() < (UICommon::qtCTVersion() & 0xFFFF00))
|
|---|
| 514 | {
|
|---|
| 515 | QString strMsg = QApplication::tr("Executable <b>%1</b> requires Qt %2.x, found Qt %3.")
|
|---|
| 516 | .arg(qAppName())
|
|---|
| 517 | .arg(UICommon::qtCTVersionString().section('.', 0, 1))
|
|---|
| 518 | .arg(UICommon::qtRTVersionString());
|
|---|
| 519 | QMessageBox::critical(0, QApplication::tr("Incompatible Qt Library Error"),
|
|---|
| 520 | strMsg, QMessageBox::Abort, 0);
|
|---|
| 521 | qFatal("%s", strMsg.toUtf8().constData());
|
|---|
| 522 | break;
|
|---|
| 523 | }
|
|---|
| 524 | #endif /* VBOX_WS_X11 */
|
|---|
| 525 |
|
|---|
| 526 | /* Create modal-window manager: */
|
|---|
| 527 | UIModalWindowManager::create();
|
|---|
| 528 |
|
|---|
| 529 | /* Create UI starter: */
|
|---|
| 530 | UIStarter::create();
|
|---|
| 531 | #ifndef VBOX_RUNTIME_UI
|
|---|
| 532 | /* Create global app instance for Selector UI: */
|
|---|
| 533 | UICommon::create(UICommon::UIType_SelectorUI);
|
|---|
| 534 | #else
|
|---|
| 535 | /* Create global app instance for Runtime UI: */
|
|---|
| 536 | UICommon::create(UICommon::UIType_RuntimeUI);
|
|---|
| 537 | #endif
|
|---|
| 538 |
|
|---|
| 539 | /* Simulate try-catch block: */
|
|---|
| 540 | do
|
|---|
| 541 | {
|
|---|
| 542 | /* Exit if UICommon is not valid: */
|
|---|
| 543 | if (!uiCommon().isValid())
|
|---|
| 544 | break;
|
|---|
| 545 |
|
|---|
| 546 | /* Init link between UI starter and global app instance: */
|
|---|
| 547 | gStarter->init();
|
|---|
| 548 |
|
|---|
| 549 | /* Exit if UICommon pre-processed arguments: */
|
|---|
| 550 | if (uiCommon().processArgs())
|
|---|
| 551 | break;
|
|---|
| 552 |
|
|---|
| 553 | // WORKAROUND:
|
|---|
| 554 | // Initially we wanted to make that workaround for Runtime UI only,
|
|---|
| 555 | // because only there we had a strict handling for proper application quit
|
|---|
| 556 | // procedure. But it appeared on X11 (as usually due to an async nature) there
|
|---|
| 557 | // can happen situations that Qt application is checking whether at least one
|
|---|
| 558 | // window is already shown and if not - exits prematurely _before_ it is actually
|
|---|
| 559 | // shown. That can happen for example if window is not yet shown because blocked
|
|---|
| 560 | // by startup error message-box which is not treated as real window by some
|
|---|
| 561 | // reason. So we are making application exit manual everywhere.
|
|---|
| 562 | qApp->setQuitOnLastWindowClosed(false);
|
|---|
| 563 |
|
|---|
| 564 | /* Request to Start UI _after_ QApplication executed: */
|
|---|
| 565 | QMetaObject::invokeMethod(gStarter, "sltStartUI", Qt::QueuedConnection);
|
|---|
| 566 |
|
|---|
| 567 | /* Start application: */
|
|---|
| 568 | iResultCode = a.exec();
|
|---|
| 569 |
|
|---|
| 570 | /* Break link between UI starter and global app instance: */
|
|---|
| 571 | gStarter->deinit();
|
|---|
| 572 | }
|
|---|
| 573 | while (0);
|
|---|
| 574 |
|
|---|
| 575 | /* Destroy global app instance: */
|
|---|
| 576 | UICommon::destroy();
|
|---|
| 577 | /* Destroy UI starter: */
|
|---|
| 578 | UIStarter::destroy();
|
|---|
| 579 |
|
|---|
| 580 | /* Destroy modal-window manager: */
|
|---|
| 581 | UIModalWindowManager::destroy();
|
|---|
| 582 | }
|
|---|
| 583 | while (0);
|
|---|
| 584 |
|
|---|
| 585 | /* Finish logging: */
|
|---|
| 586 | LogFlowFunc(("rc=%d\n", iResultCode));
|
|---|
| 587 | LogFlowFuncLeave();
|
|---|
| 588 |
|
|---|
| 589 | /* Return result: */
|
|---|
| 590 | return iResultCode;
|
|---|
| 591 | }
|
|---|
| 592 |
|
|---|
| 593 | #if !defined(VBOX_WITH_HARDENING) || !defined(VBOX_RUNTIME_UI)
|
|---|
| 594 |
|
|---|
| 595 | int main(int argc, char **argv, char **envp)
|
|---|
| 596 | {
|
|---|
| 597 | # ifdef VBOX_WS_X11
|
|---|
| 598 | /* Make sure multi-threaded environment is safe: */
|
|---|
| 599 | if (!MakeSureMultiThreadingIsSafe())
|
|---|
| 600 | return 1;
|
|---|
| 601 | # endif /* VBOX_WS_X11 */
|
|---|
| 602 |
|
|---|
| 603 | /* Initialize VBox Runtime: */
|
|---|
| 604 | # ifdef VBOX_RUNTIME_UI
|
|---|
| 605 | /* Initialize the SUPLib as well only if we are really about to start a VM.
|
|---|
| 606 | * Don't do this if we are only starting the selector window or a separate VM process. */
|
|---|
| 607 | bool fStartVM = false;
|
|---|
| 608 | bool fSeparateProcess = false;
|
|---|
| 609 | for (int i = 1; i < argc && !(fStartVM && fSeparateProcess); ++i)
|
|---|
| 610 | {
|
|---|
| 611 | /* NOTE: the check here must match the corresponding check for the
|
|---|
| 612 | * options to start a VM in hardenedmain.cpp and UICommon.cpp exactly,
|
|---|
| 613 | * otherwise there will be weird error messages. */
|
|---|
| 614 | if ( !::strcmp(argv[i], "--startvm")
|
|---|
| 615 | || !::strcmp(argv[i], "-startvm"))
|
|---|
| 616 | fStartVM = true;
|
|---|
| 617 | else if ( !::strcmp(argv[i], "--separate")
|
|---|
| 618 | || !::strcmp(argv[i], "-separate"))
|
|---|
| 619 | fSeparateProcess = true;
|
|---|
| 620 | }
|
|---|
| 621 |
|
|---|
| 622 | uint32_t fFlags = fStartVM && !fSeparateProcess ? RTR3INIT_FLAGS_SUPLIB : 0;
|
|---|
| 623 | # else
|
|---|
| 624 | uint32_t fFlags = 0;
|
|---|
| 625 | # endif
|
|---|
| 626 | int rc = RTR3InitExe(argc, &argv, fFlags);
|
|---|
| 627 |
|
|---|
| 628 | /* Initialization failed: */
|
|---|
| 629 | if (RT_FAILURE(rc))
|
|---|
| 630 | {
|
|---|
| 631 | /* We have to create QApplication anyway
|
|---|
| 632 | * just to show the only one error-message: */
|
|---|
| 633 | QApplication a(argc, &argv[0]);
|
|---|
| 634 | Q_UNUSED(a);
|
|---|
| 635 |
|
|---|
| 636 | # ifdef Q_OS_SOLARIS
|
|---|
| 637 | a.setStyle("fusion");
|
|---|
| 638 | # endif
|
|---|
| 639 |
|
|---|
| 640 | /* Prepare the error-message: */
|
|---|
| 641 | QString strTitle = QApplication::tr("VirtualBox - Runtime Error");
|
|---|
| 642 | QString strText = "<html>";
|
|---|
| 643 | switch (rc)
|
|---|
| 644 | {
|
|---|
| 645 | case VERR_VM_DRIVER_NOT_INSTALLED:
|
|---|
| 646 | case VERR_VM_DRIVER_LOAD_ERROR:
|
|---|
| 647 | strText += QApplication::tr("<b>Cannot access the kernel driver!</b><br/><br/>");
|
|---|
| 648 | # ifdef RT_OS_LINUX
|
|---|
| 649 | strText += g_QStrHintLinuxNoDriver;
|
|---|
| 650 | # else
|
|---|
| 651 | strText += g_QStrHintOtherNoDriver;
|
|---|
| 652 | # endif
|
|---|
| 653 | break;
|
|---|
| 654 | # ifdef RT_OS_LINUX
|
|---|
| 655 | case VERR_NO_MEMORY:
|
|---|
| 656 | strText += g_QStrHintLinuxNoMemory;
|
|---|
| 657 | break;
|
|---|
| 658 | # endif
|
|---|
| 659 | case VERR_VM_DRIVER_NOT_ACCESSIBLE:
|
|---|
| 660 | strText += QApplication::tr("Kernel driver not accessible");
|
|---|
| 661 | break;
|
|---|
| 662 | case VERR_VM_DRIVER_VERSION_MISMATCH:
|
|---|
| 663 | # ifdef RT_OS_LINUX
|
|---|
| 664 | strText += g_QStrHintLinuxWrongDriverVersion;
|
|---|
| 665 | # else
|
|---|
| 666 | strText += g_QStrHintOtherWrongDriverVersion;
|
|---|
| 667 | # endif
|
|---|
| 668 | break;
|
|---|
| 669 | default:
|
|---|
| 670 | strText += QApplication::tr("Unknown error %2 during initialization of the Runtime").arg(rc);
|
|---|
| 671 | break;
|
|---|
| 672 | }
|
|---|
| 673 | strText += "</html>";
|
|---|
| 674 |
|
|---|
| 675 | /* Show the error-message: */
|
|---|
| 676 | QMessageBox::critical(0 /* parent */, strTitle, strText,
|
|---|
| 677 | QMessageBox::Abort /* 1st button */, 0 /* 2nd button */);
|
|---|
| 678 |
|
|---|
| 679 | /* Default error-result: */
|
|---|
| 680 | return 1;
|
|---|
| 681 | }
|
|---|
| 682 |
|
|---|
| 683 | /* Call to actual main function: */
|
|---|
| 684 | return TrustedMain(argc, argv, envp);
|
|---|
| 685 | }
|
|---|
| 686 |
|
|---|
| 687 | #endif /* !VBOX_WITH_HARDENING || !VBOX_RUNTIME_UI */
|
|---|
| 688 |
|
|---|
| 689 | #ifdef VBOX_WITH_HARDENING
|
|---|
| 690 |
|
|---|
| 691 | /**
|
|---|
| 692 | * Special entrypoint used by the hardening code when something goes south.
|
|---|
| 693 | *
|
|---|
| 694 | * Display an error dialog to the user.
|
|---|
| 695 | *
|
|---|
| 696 | * @param pszWhere Indicates where the error occured.
|
|---|
| 697 | * @param enmWhat Indicates what init operation was going on at the time.
|
|---|
| 698 | * @param rc The VBox status code corresponding to the error.
|
|---|
| 699 | * @param pszMsgFmt The message format string.
|
|---|
| 700 | * @param va Format arguments.
|
|---|
| 701 | */
|
|---|
| 702 | extern "C" DECLEXPORT(void) TrustedError(const char *pszWhere, SUPINITOP enmWhat, int rc, const char *pszMsgFmt, va_list va)
|
|---|
| 703 | {
|
|---|
| 704 | # ifdef VBOX_WS_MAC
|
|---|
| 705 | /* Hide setuid root from AppKit: */
|
|---|
| 706 | HideSetUidRootFromAppKit();
|
|---|
| 707 | # endif /* VBOX_WS_MAC */
|
|---|
| 708 |
|
|---|
| 709 | char szMsgBuf[_16K];
|
|---|
| 710 |
|
|---|
| 711 | /*
|
|---|
| 712 | * We have to create QApplication anyway just to show the only one error-message.
|
|---|
| 713 | * This is a bit hackish as we don't have the argument vector handy.
|
|---|
| 714 | */
|
|---|
| 715 | int argc = 0;
|
|---|
| 716 | char *argv[2] = { NULL, NULL };
|
|---|
| 717 | QApplication a(argc, &argv[0]);
|
|---|
| 718 |
|
|---|
| 719 | /*
|
|---|
| 720 | * The details starts off a properly formatted rc and where/what, we use
|
|---|
| 721 | * the szMsgBuf for this, thus this have to come before the actual message
|
|---|
| 722 | * formatting.
|
|---|
| 723 | */
|
|---|
| 724 | RTStrPrintf(szMsgBuf, sizeof(szMsgBuf),
|
|---|
| 725 | "<!--EOM-->"
|
|---|
| 726 | "where: %s\n"
|
|---|
| 727 | "what: %d\n"
|
|---|
| 728 | "%Rra\n",
|
|---|
| 729 | pszWhere, enmWhat, rc);
|
|---|
| 730 | QString strDetails = szMsgBuf;
|
|---|
| 731 |
|
|---|
| 732 | /*
|
|---|
| 733 | * Format the error message. Take whatever comes after a double new line as
|
|---|
| 734 | * something better off in the details section.
|
|---|
| 735 | */
|
|---|
| 736 | RTStrPrintfV(szMsgBuf, sizeof(szMsgBuf), pszMsgFmt, va);
|
|---|
| 737 |
|
|---|
| 738 | char *pszDetails = strstr(szMsgBuf, "\n\n");
|
|---|
| 739 | if (pszDetails)
|
|---|
| 740 | {
|
|---|
| 741 | while (RT_C_IS_SPACE(*pszDetails))
|
|---|
| 742 | *pszDetails++ = '\0';
|
|---|
| 743 | if (*pszDetails)
|
|---|
| 744 | {
|
|---|
| 745 | strDetails += "\n";
|
|---|
| 746 | strDetails += pszDetails;
|
|---|
| 747 | }
|
|---|
| 748 | RTStrStripR(szMsgBuf);
|
|---|
| 749 | }
|
|---|
| 750 |
|
|---|
| 751 | QString strText = QApplication::tr("<html><b>%1 (rc=%2)</b><br/><br/>").arg(szMsgBuf).arg(rc);
|
|---|
| 752 | strText.replace(QString("\n"), QString("<br>"));
|
|---|
| 753 |
|
|---|
| 754 | /*
|
|---|
| 755 | * Append possibly helpful hints to the error message.
|
|---|
| 756 | */
|
|---|
| 757 | switch (enmWhat)
|
|---|
| 758 | {
|
|---|
| 759 | case kSupInitOp_Driver:
|
|---|
| 760 | # ifdef RT_OS_LINUX
|
|---|
| 761 | strText += g_QStrHintLinuxNoDriver;
|
|---|
| 762 | # else /* RT_OS_LINUX */
|
|---|
| 763 | strText += g_QStrHintOtherNoDriver;
|
|---|
| 764 | # endif /* !RT_OS_LINUX */
|
|---|
| 765 | break;
|
|---|
| 766 | case kSupInitOp_IPRT:
|
|---|
| 767 | case kSupInitOp_Misc:
|
|---|
| 768 | if (rc == VERR_VM_DRIVER_VERSION_MISMATCH)
|
|---|
| 769 | # ifndef RT_OS_LINUX
|
|---|
| 770 | strText += g_QStrHintOtherWrongDriverVersion;
|
|---|
| 771 | # else
|
|---|
| 772 | strText += g_QStrHintLinuxWrongDriverVersion;
|
|---|
| 773 | else if (rc == VERR_NO_MEMORY)
|
|---|
| 774 | strText += g_QStrHintLinuxNoMemory;
|
|---|
| 775 | # endif
|
|---|
| 776 | else
|
|---|
| 777 | strText += g_QStrHintReinstall;
|
|---|
| 778 | break;
|
|---|
| 779 | case kSupInitOp_Integrity:
|
|---|
| 780 | case kSupInitOp_RootCheck:
|
|---|
| 781 | strText += g_QStrHintReinstall;
|
|---|
| 782 | break;
|
|---|
| 783 | default:
|
|---|
| 784 | /* no hints here */
|
|---|
| 785 | break;
|
|---|
| 786 | }
|
|---|
| 787 |
|
|---|
| 788 | # ifdef VBOX_WS_X11
|
|---|
| 789 | /* We have to to make sure that we display the error-message
|
|---|
| 790 | * after the parent displayed its own message. */
|
|---|
| 791 | sleep(2);
|
|---|
| 792 | # endif /* VBOX_WS_X11 */
|
|---|
| 793 |
|
|---|
| 794 | /* Update strText with strDetails: */
|
|---|
| 795 | if (!strDetails.isEmpty())
|
|---|
| 796 | strText += QString("<br><br>%1").arg(strDetails);
|
|---|
| 797 |
|
|---|
| 798 | /* Close the <html> scope: */
|
|---|
| 799 | strText += "</html>";
|
|---|
| 800 |
|
|---|
| 801 | /* Create and show the error message-box: */
|
|---|
| 802 | QMessageBox::critical(0, QApplication::tr("VirtualBox - Error In %1").arg(pszWhere), strText);
|
|---|
| 803 |
|
|---|
| 804 | qFatal("%s", strText.toUtf8().constData());
|
|---|
| 805 | }
|
|---|
| 806 |
|
|---|
| 807 | #endif /* VBOX_WITH_HARDENING */
|
|---|
