1 | /** @file
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2 | *
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3 | * SVCMAIN - COM out-of-proc server main entry
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 innotek GmbH
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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 | #include <stdio.h>
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19 |
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20 | #include "VBox/com/defs.h"
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21 |
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22 | #include "svchlp.h"
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23 |
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24 | #include <VBox/err.h>
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25 | #include <iprt/runtime.h>
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26 |
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27 | #include "MachineImpl.h"
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28 | #include "HardDiskImpl.h"
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29 | #include "DVDImageImpl.h"
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30 | #include "FloppyImageImpl.h"
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31 | #include "GuestOSTypeImpl.h"
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32 | #include "ProgressImpl.h"
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33 | #include "SystemPropertiesImpl.h"
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34 | #include "VirtualBoxImpl.h"
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35 |
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36 | #include "Logging.h"
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37 |
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38 | #include <atlbase.h>
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39 | #include <atlcom.h>
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40 |
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41 | #define _ATL_FREE_THREADED
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42 |
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43 | class CExeModule : public CComModule
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44 | {
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45 | public:
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46 | LONG Unlock();
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47 | DWORD dwThreadID;
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48 | HANDLE hEventShutdown;
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49 | void MonitorShutdown();
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50 | bool StartMonitor();
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51 | bool bActivity;
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52 | };
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53 |
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54 | const DWORD dwTimeOut = 5000; /* time for EXE to be idle before shutting down */
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55 | const DWORD dwPause = 1000; /* time to wait for threads to finish up */
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56 |
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57 | /* Passed to CreateThread to monitor the shutdown event */
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58 | static DWORD WINAPI MonitorProc(void* pv)
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59 | {
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60 | CExeModule* p = (CExeModule*)pv;
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61 | p->MonitorShutdown();
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62 | return 0;
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63 | }
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64 |
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65 | LONG CExeModule::Unlock()
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66 | {
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67 | LONG l = CComModule::Unlock();
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68 | if (l == 0)
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69 | {
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70 | bActivity = true;
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71 | SetEvent(hEventShutdown); /* tell monitor that we transitioned to zero */
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72 | }
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73 | return l;
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74 | }
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75 |
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76 | /* Monitors the shutdown event */
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77 | void CExeModule::MonitorShutdown()
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78 | {
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79 | while (1)
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80 | {
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81 | WaitForSingleObject(hEventShutdown, INFINITE);
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82 | DWORD dwWait=0;
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83 | do
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84 | {
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85 | bActivity = false;
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86 | dwWait = WaitForSingleObject(hEventShutdown, dwTimeOut);
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87 | } while (dwWait == WAIT_OBJECT_0);
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88 | /* timed out */
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89 | if (!bActivity && m_nLockCnt == 0) /* if no activity let's really bail */
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90 | {
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91 | #if _WIN32_WINNT >= 0x0400 & defined(_ATL_FREE_THREADED)
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92 | CoSuspendClassObjects();
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93 | if (!bActivity && m_nLockCnt == 0)
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94 | #endif
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95 | break;
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96 | }
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97 | }
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98 | CloseHandle(hEventShutdown);
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99 | PostThreadMessage(dwThreadID, WM_QUIT, 0, 0);
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100 | }
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101 |
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102 | bool CExeModule::StartMonitor()
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103 | {
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104 | hEventShutdown = CreateEvent(NULL, false, false, NULL);
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105 | if (hEventShutdown == NULL)
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106 | return false;
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107 | DWORD dwThreadID;
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108 | HANDLE h = CreateThread(NULL, 0, MonitorProc, this, 0, &dwThreadID);
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109 | return (h != NULL);
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110 | }
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111 |
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112 | CExeModule _Module;
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113 |
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114 | BEGIN_OBJECT_MAP(ObjectMap)
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115 | OBJECT_ENTRY(CLSID_VirtualBox, VirtualBox)
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116 | END_OBJECT_MAP()
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117 |
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118 |
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119 | LPCTSTR FindOneOf(LPCTSTR p1, LPCTSTR p2)
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120 | {
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121 | while (p1 != NULL && *p1 != NULL)
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122 | {
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123 | LPCTSTR p = p2;
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124 | while (p != NULL && *p != NULL)
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125 | {
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126 | if (*p1 == *p)
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127 | return CharNext(p1);
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128 | p = CharNext(p);
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129 | }
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130 | p1 = CharNext(p1);
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131 | }
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132 | return NULL;
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133 | }
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134 |
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135 | static int WordCmpI(LPCTSTR psz1, LPCTSTR psz2) throw()
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136 | {
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137 | TCHAR c1 = (TCHAR)CharUpper((LPTSTR)*psz1);
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138 | TCHAR c2 = (TCHAR)CharUpper((LPTSTR)*psz2);
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139 | while (c1 != NULL && c1 == c2 && c1 != ' ' && c1 != '\t')
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140 | {
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141 | psz1 = CharNext(psz1);
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142 | psz2 = CharNext(psz2);
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143 | c1 = (TCHAR)CharUpper((LPTSTR)*psz1);
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144 | c2 = (TCHAR)CharUpper((LPTSTR)*psz2);
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145 | }
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146 | if ((c1 == NULL || c1 == ' ' || c1 == '\t') && (c2 == NULL || c2 == ' ' || c2 == '\t'))
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147 | return 0;
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148 |
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149 | return (c1 < c2) ? -1 : 1;
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150 | }
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151 |
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152 | /////////////////////////////////////////////////////////////////////////////
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153 | //
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154 | extern "C" int WINAPI _tWinMain(HINSTANCE hInstance,
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155 | HINSTANCE /*hPrevInstance*/, LPTSTR lpCmdLine, int /*nShowCmd*/)
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156 | {
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157 | /*
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158 | * Initialize the VBox runtime without loading
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159 | * the support driver.
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160 | */
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161 | RTR3Init(false);
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162 |
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163 | lpCmdLine = GetCommandLine(); /* this line necessary for _ATL_MIN_CRT */
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164 |
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165 | #if _WIN32_WINNT >= 0x0400 & defined(_ATL_FREE_THREADED)
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166 | HRESULT hRes = CoInitializeEx(NULL, COINIT_MULTITHREADED);
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167 | #else
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168 | HRESULT hRes = CoInitialize(NULL);
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169 | #endif
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170 | _ASSERTE(SUCCEEDED(hRes));
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171 | _Module.Init(ObjectMap, hInstance, &LIBID_VirtualBox);
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172 | _Module.dwThreadID = GetCurrentThreadId();
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173 | TCHAR szTokens[] = _T("-/");
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174 |
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175 | int nRet = 0;
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176 | BOOL bRun = TRUE;
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177 | LPCTSTR lpszToken = FindOneOf(lpCmdLine, szTokens);
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178 | while (lpszToken != NULL)
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179 | {
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180 | if (WordCmpI(lpszToken, _T("UnregServer")) == 0)
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181 | {
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182 | _Module.UpdateRegistryFromResource(IDR_VIRTUALBOX, FALSE);
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183 | nRet = _Module.UnregisterServer(TRUE);
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184 | bRun = FALSE;
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185 | break;
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186 | }
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187 | else if (WordCmpI(lpszToken, _T("RegServer")) == 0)
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188 | {
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189 | _Module.UpdateRegistryFromResource(IDR_VIRTUALBOX, TRUE);
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190 | nRet = _Module.RegisterServer(TRUE);
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191 | bRun = FALSE;
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192 | break;
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193 | }
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194 | else if (WordCmpI(lpszToken, _T("ReregServer")) == 0)
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195 | {
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196 | _Module.UpdateRegistryFromResource(IDR_VIRTUALBOX, FALSE);
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197 | nRet = _Module.UnregisterServer(TRUE);
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198 | _Module.UpdateRegistryFromResource(IDR_VIRTUALBOX, TRUE);
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199 | nRet = _Module.RegisterServer(TRUE);
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200 | bRun = FALSE;
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201 | break;
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202 | }
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203 | else if ( (WordCmpI(lpszToken, _T("h")) == 0)
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204 | || (WordCmpI(lpszToken, _T("?")) == 0))
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205 | {
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206 | TCHAR txt[]= L"Options:\n\n"
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207 | L"/RegServer:\tregister COM out-of-proc server\n"
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208 | L"/UnregServer:\tunregister COM out-of-proc server\n"
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209 | L"/ReregServer:\tunregister and register COM server\n"
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210 | L"no options:\trun the server";
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211 | TCHAR title[]=_T("Usage");
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212 | nRet = -1;
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213 | bRun = FALSE;
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214 | MessageBox(NULL, txt, title, MB_OK);
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215 | break;
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216 | }
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217 | else if (WordCmpI (lpszToken, _T("Helper")) == 0)
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218 | {
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219 | Log (("SVCMAIN: Processing Helper request (cmdline=\"%ls\")...\n",
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220 | lpszToken + 6));
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221 |
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222 | TCHAR szTokens[] = _T (" \t");
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223 |
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224 | int vrc = VINF_SUCCESS;
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225 | Utf8Str pipeName;
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226 |
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227 | lpszToken = FindOneOf (lpszToken, szTokens);
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228 | if (lpszToken)
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229 | {
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230 | while (*lpszToken != NULL &&
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231 | (*lpszToken == ' ' || *lpszToken == '\t'))
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232 | ++ lpszToken;
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233 |
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234 | if (*lpszToken != NULL)
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235 | {
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236 | Bstr str (lpszToken);
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237 | LPCTSTR lpszToken2 = FindOneOf (lpszToken, szTokens);
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238 | if (lpszToken2)
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239 | str.mutableRaw() [lpszToken2 - lpszToken] = '\0';
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240 | pipeName = Utf8Str (lpszToken);
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241 | }
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242 | }
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243 |
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244 | if (pipeName.isEmpty())
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245 | vrc = VERR_INVALID_PARAMETER;
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246 |
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247 | if (VBOX_SUCCESS (vrc))
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248 | {
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249 | /* do the helper job */
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250 | SVCHlpServer server;
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251 | vrc = server.open (pipeName);
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252 | if (VBOX_SUCCESS (vrc))
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253 | vrc = server.run();
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254 | }
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255 | if (VBOX_FAILURE (vrc))
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256 | {
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257 | Utf8Str err = Utf8StrFmt (
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258 | "Failed to process Helper request (%Vrc).", vrc);
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259 | Log (("SVCMAIN: %s\n", err.raw()));
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260 | }
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261 |
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262 | /* don't run the COM server */
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263 | bRun = FALSE;
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264 | break;
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265 | }
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266 |
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267 | lpszToken = FindOneOf(lpszToken, szTokens);
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268 | }
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269 |
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270 | if (bRun)
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271 | {
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272 | _Module.StartMonitor();
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273 | #if _WIN32_WINNT >= 0x0400 & defined(_ATL_FREE_THREADED)
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274 | hRes = _Module.RegisterClassObjects(CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE | REGCLS_SUSPENDED);
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275 | _ASSERTE(SUCCEEDED(hRes));
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276 | hRes = CoResumeClassObjects();
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277 | #else
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278 | hRes = _Module.RegisterClassObjects(CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE);
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279 | #endif
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280 | _ASSERTE(SUCCEEDED(hRes));
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281 |
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282 | MSG msg;
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283 | while (GetMessage(&msg, 0, 0, 0))
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284 | DispatchMessage(&msg);
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285 |
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286 | _Module.RevokeClassObjects();
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287 | Sleep(dwPause); //wait for any threads to finish
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288 | }
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289 |
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290 | _Module.Term();
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291 | CoUninitialize();
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292 | Log(("SVCMAIN: Returning, COM server process ends.\n"));
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293 | return nRet;
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294 | }
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