| 1 | /* $Id: VBoxGuestInst.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Small tool to (un)install the VBoxGuest device driver.
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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 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/win/windows.h>
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| 32 |
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| 33 | #include <stdio.h>
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| 34 | #include <stdlib.h>
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| 35 | #include <string.h>
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| 36 |
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| 37 | #include <VBox/VBoxGuest.h> /* for VBOXGUEST_SERVICE_NAME */
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| 38 | #include <iprt/err.h>
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| 39 |
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| 40 |
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| 41 | //#define TESTMODE
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| 42 |
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| 43 |
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| 44 |
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| 45 | static int installDriver(bool fStartIt)
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| 46 | {
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| 47 | /*
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| 48 | * Assume it didn't exist, so we'll create the service.
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| 49 | */
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| 50 | SC_HANDLE hSMgrCreate = OpenSCManager(NULL, NULL, SERVICE_CHANGE_CONFIG);
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| 51 | if (!hSMgrCreate)
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| 52 | {
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| 53 | printf("OpenSCManager(,,create) failed rc=%d\n", GetLastError());
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| 54 | return -1;
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| 55 | }
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| 56 |
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| 57 | const char *pszSlashName = "\\VBoxGuest.sys";
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| 58 | char szDriver[MAX_PATH * 2];
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| 59 | GetCurrentDirectory(MAX_PATH, szDriver);
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| 60 | strcat(szDriver, pszSlashName);
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| 61 | if (GetFileAttributesA(szDriver) == INVALID_FILE_ATTRIBUTES)
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| 62 | {
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| 63 | GetSystemDirectory(szDriver, sizeof(szDriver));
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| 64 | strcat(strcat(szDriver, "\\drivers"), pszSlashName);
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| 65 |
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| 66 | /* Try FAT name abbreviation. */
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| 67 | if (GetFileAttributesA(szDriver) == INVALID_FILE_ATTRIBUTES)
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| 68 | {
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| 69 | pszSlashName = "\\VBoxGst.sys";
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| 70 | GetCurrentDirectory(MAX_PATH, szDriver);
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| 71 | strcat(szDriver, pszSlashName);
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| 72 | if (GetFileAttributesA(szDriver) == INVALID_FILE_ATTRIBUTES)
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| 73 | {
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| 74 | GetSystemDirectory(szDriver, sizeof(szDriver));
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| 75 | strcat(strcat(szDriver, "\\drivers"), pszSlashName);
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| 76 |
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| 77 | }
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| 78 | }
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| 79 | }
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| 80 |
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| 81 | SC_HANDLE hService = CreateService(hSMgrCreate,
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| 82 | VBOXGUEST_SERVICE_NAME,
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| 83 | "VBoxGuest Support Driver",
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| 84 | SERVICE_QUERY_STATUS | (fStartIt ? SERVICE_START : 0),
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| 85 | SERVICE_KERNEL_DRIVER,
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| 86 | SERVICE_BOOT_START,
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| 87 | SERVICE_ERROR_NORMAL,
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| 88 | szDriver,
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| 89 | "System",
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| 90 | NULL, NULL, NULL, NULL);
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| 91 | if (hService)
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| 92 | {
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| 93 | printf("Successfully created service '%s' for driver '%s'.\n", VBOXGUEST_SERVICE_NAME, szDriver);
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| 94 | if (fStartIt)
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| 95 | {
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| 96 | if (StartService(hService, 0, NULL))
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| 97 | printf("successfully started driver '%s'\n", szDriver);
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| 98 | else
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| 99 | printf("StartService failed: %d\n", GetLastError());
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| 100 | }
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| 101 | CloseServiceHandle(hService);
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| 102 | }
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| 103 | else
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| 104 | printf("CreateService failed! lasterr=%d (szDriver=%s)\n", GetLastError(), szDriver);
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| 105 | CloseServiceHandle(hSMgrCreate);
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| 106 | return hService ? 0 : -1;
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| 107 | }
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| 108 |
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| 109 | static int uninstallDriver(void)
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| 110 | {
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| 111 | int rc = -1;
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| 112 | SC_HANDLE hSMgr = OpenSCManager(NULL, NULL, SERVICE_CHANGE_CONFIG);
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| 113 | if (!hSMgr)
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| 114 | {
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| 115 | printf("OpenSCManager(,,delete) failed rc=%d\n", GetLastError());
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| 116 | return -1;
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| 117 | }
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| 118 | SC_HANDLE hService = OpenService(hSMgr, VBOXGUEST_SERVICE_NAME, SERVICE_STOP | SERVICE_QUERY_STATUS | DELETE);
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| 119 | if (hService)
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| 120 | {
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| 121 | /*
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| 122 | * Try stop it if it's running.
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| 123 | */
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| 124 | SERVICE_STATUS Status = { 0, 0, 0, 0, 0, 0, 0 };
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| 125 | QueryServiceStatus(hService, &Status);
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| 126 | if (Status.dwCurrentState == SERVICE_STOPPED)
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| 127 | rc = VINF_SUCCESS;
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| 128 | else if (ControlService(hService, SERVICE_CONTROL_STOP, &Status))
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| 129 | {
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| 130 | int iWait = 100;
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| 131 | while (Status.dwCurrentState == SERVICE_STOP_PENDING && iWait-- > 0)
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| 132 | {
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| 133 | Sleep(100);
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| 134 | QueryServiceStatus(hService, &Status);
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| 135 | }
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| 136 | if (Status.dwCurrentState == SERVICE_STOPPED)
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| 137 | rc = VINF_SUCCESS;
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| 138 | else
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| 139 | {
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| 140 | printf("Failed to stop service. status=%d (%#x)\n", Status.dwCurrentState, Status.dwCurrentState);
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| 141 | rc = VERR_GENERAL_FAILURE;
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| 142 | }
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| 143 | }
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| 144 | else
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| 145 | {
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| 146 | DWORD dwErr = GetLastError();
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| 147 | if ( Status.dwCurrentState == SERVICE_STOP_PENDING
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| 148 | && dwErr == ERROR_SERVICE_CANNOT_ACCEPT_CTRL)
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| 149 | rc = VERR_RESOURCE_BUSY; /* better than VERR_GENERAL_FAILURE */
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| 150 | else
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| 151 | {
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| 152 | printf("ControlService failed with dwErr=%u. status=%d (%#x)\n",
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| 153 | dwErr, Status.dwCurrentState, Status.dwCurrentState);
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| 154 | rc = -1;
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | /*
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| 159 | * Delete the service.
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| 160 | */
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| 161 | if (RT_SUCCESS(rc))
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| 162 | {
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| 163 | if (DeleteService(hService))
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| 164 | rc = 0;
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| 165 | else
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| 166 | {
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| 167 | printf("DeleteService failed lasterr=%d\n", GetLastError());
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| 168 | rc = -1;
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| 169 | }
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| 170 | }
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| 171 | CloseServiceHandle(hService);
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| 172 | }
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| 173 | else if (GetLastError() == ERROR_SERVICE_DOES_NOT_EXIST)
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| 174 | rc = 0;
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| 175 | else
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| 176 | printf("OpenService failed lasterr=%d\n", GetLastError());
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| 177 | CloseServiceHandle(hSMgr);
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| 178 | return rc;
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| 179 | }
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| 180 |
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| 181 | #ifdef TESTMODE
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| 182 |
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| 183 | static HANDLE openDriver(void)
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| 184 | {
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| 185 | HANDLE hDevice;
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| 186 |
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| 187 | hDevice = CreateFile(VBOXGUEST_DEVICE_NAME, // Win2k+: VBOXGUEST_DEVICE_NAME_GLOBAL
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| 188 | GENERIC_READ | GENERIC_WRITE,
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| 189 | FILE_SHARE_READ | FILE_SHARE_WRITE,
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| 190 | NULL,
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| 191 | OPEN_EXISTING,
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| 192 | FILE_ATTRIBUTE_NORMAL,
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| 193 | NULL);
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| 194 | if (hDevice == INVALID_HANDLE_VALUE)
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| 195 | {
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| 196 | printf("CreateFile did not work. GetLastError() 0x%x\n", GetLastError());
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| 197 | }
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| 198 | return hDevice;
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| 199 | }
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| 200 |
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| 201 | static int closeDriver(HANDLE hDevice)
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| 202 | {
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| 203 | CloseHandle(hDevice);
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| 204 | return 0;
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| 205 | }
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| 206 |
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| 207 | static int performTest(void)
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| 208 | {
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| 209 | int rc = 0;
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| 210 |
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| 211 | HANDLE hDevice = openDriver();
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| 212 |
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| 213 | if (hDevice != INVALID_HANDLE_VALUE)
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| 214 | closeDriver(hDevice);
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| 215 | else
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| 216 | printf("openDriver failed!\n");
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| 217 |
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| 218 | return rc;
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| 219 | }
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| 220 |
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| 221 | #endif /* TESTMODE */
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| 222 |
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| 223 | static int usage(char *programName)
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| 224 | {
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| 225 | printf("error, syntax: %s [install|uninstall]\n", programName);
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| 226 | return 1;
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| 227 | }
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| 228 |
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| 229 | int main(int argc, char **argv)
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| 230 | {
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| 231 | bool installMode;
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| 232 | #ifdef TESTMODE
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| 233 | bool testMode = false;
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| 234 | #endif
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| 235 |
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| 236 | if (argc != 2)
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| 237 | return usage(argv[0]);
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| 238 |
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| 239 | if (strcmp(argv[1], "install") == 0)
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| 240 | installMode = true;
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| 241 | else if (strcmp(argv[1], "uninstall") == 0)
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| 242 | installMode = false;
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| 243 | #ifdef TESTMODE
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| 244 | else if (strcmp(argv[1], "test") == 0)
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| 245 | testMode = true;
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| 246 | #endif
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| 247 | else
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| 248 | return usage(argv[0]);
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| 249 |
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| 250 |
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| 251 | int rc;
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| 252 | #ifdef TESTMODE
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| 253 | if (testMode)
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| 254 | rc = performTest();
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| 255 | else
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| 256 | #endif
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| 257 | if (installMode)
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| 258 | rc = installDriver(true);
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| 259 | else
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| 260 | rc = uninstallDriver();
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| 261 |
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| 262 | if (rc == 0)
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| 263 | printf("operation completed successfully!\n");
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| 264 | else
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| 265 | printf("error: operation failed with status code %d\n", rc);
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| 266 |
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| 267 | return rc;
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| 268 | }
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| 269 |
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