| 1 | /* $Id: ComHostUtils.cpp 87698 2021-02-10 17:21:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * ComHostUtils.cpp
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2020 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.alldomusa.eu.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 |
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| 19 | /*********************************************************************************************************************************
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| 20 | * Header Files *
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| 21 | *********************************************************************************************************************************/
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| 22 | #if defined(RT_OS_WINDOWS) && !defined(VBOX_COM_OUTOFPROC_MODULE)
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| 23 | # define VBOX_COM_OUTOFPROC_MODULE
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| 24 | #endif
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| 25 | #include <VBox/com/com.h>
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| 26 | #include <VBox/com/listeners.h>
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| 27 | #include <VBox/com/string.h>
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| 28 | #include <VBox/com/Guid.h>
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| 29 | #include <VBox/com/array.h>
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| 30 | #include <VBox/com/ErrorInfo.h>
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| 31 | #include <VBox/com/errorprint.h>
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| 32 | #include <VBox/com/EventQueue.h>
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| 33 | #include <VBox/com/VirtualBox.h>
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| 34 |
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| 35 | #include <iprt/alloca.h>
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| 36 | #include <iprt/buildconfig.h>
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| 37 | #include <iprt/errcore.h>
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| 38 | #include <iprt/net.h> /* must come before getopt */
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| 39 | #include <iprt/getopt.h>
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| 40 | #include <iprt/initterm.h>
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| 41 | #include <iprt/message.h>
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| 42 | #include <iprt/param.h>
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| 43 | #include <iprt/path.h>
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| 44 | #include <iprt/stream.h>
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| 45 | #include <iprt/time.h>
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| 46 | #include <iprt/string.h>
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| 47 |
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| 48 |
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| 49 | #include "../NetLib/VBoxNetLib.h"
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| 50 | #include "../NetLib/shared_ptr.h"
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| 51 |
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| 52 | #include <vector>
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| 53 | #include <list>
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| 54 | #include <iprt/sanitized/string>
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| 55 | #include <map>
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| 56 |
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| 57 | #include "../NetLib/VBoxNetBaseService.h"
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| 58 |
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| 59 | #ifdef RT_OS_WINDOWS /* WinMain */
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| 60 | # include <iprt/win/windows.h>
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| 61 | # include <stdlib.h>
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| 62 | # ifdef INET_ADDRSTRLEN
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| 63 | /* On Windows INET_ADDRSTRLEN defined as 22 Ws2ipdef.h, because it include port number */
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| 64 | # undef INET_ADDRSTRLEN
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| 65 | # endif
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| 66 | # define INET_ADDRSTRLEN 16
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| 67 | #else
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| 68 | # include <netinet/in.h>
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| 69 | #endif
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| 70 |
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| 71 | #include "utils.h"
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| 72 |
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| 73 |
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| 74 | VBOX_LISTENER_DECLARE(NATNetworkListenerImpl)
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| 75 |
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| 76 |
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| 77 | int localMappings(const ComNatPtr& nat, AddressToOffsetMapping& mapping)
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| 78 | {
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| 79 | mapping.clear();
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| 80 |
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| 81 | ComBstrArray strs;
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| 82 | size_t cStrs;
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| 83 | HRESULT hrc = nat->COMGETTER(LocalMappings)(ComSafeArrayAsOutParam(strs));
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| 84 | if ( SUCCEEDED(hrc)
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| 85 | && (cStrs = strs.size()))
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| 86 | {
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| 87 | for (size_t i = 0; i < cStrs; ++i)
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| 88 | {
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| 89 | char szAddr[17];
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| 90 | RTNETADDRIPV4 ip4addr;
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| 91 | char *pszTerm;
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| 92 | uint32_t u32Off;
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| 93 | com::Utf8Str strLo2Off(strs[i]);
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| 94 | const char *pszLo2Off = strLo2Off.c_str();
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| 95 |
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| 96 | RT_ZERO(szAddr);
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| 97 |
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| 98 | pszTerm = RTStrStr(pszLo2Off, "=");
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| 99 |
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| 100 | if ( pszTerm
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| 101 | && (pszTerm - pszLo2Off) <= INET_ADDRSTRLEN)
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| 102 | {
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| 103 | memcpy(szAddr, pszLo2Off, (pszTerm - pszLo2Off));
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| 104 | int rc = RTNetStrToIPv4Addr(szAddr, &ip4addr);
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| 105 | if (RT_SUCCESS(rc))
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| 106 | {
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| 107 | u32Off = RTStrToUInt32(pszTerm + 1);
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| 108 | if (u32Off != 0)
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| 109 | mapping.insert(
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| 110 | AddressToOffsetMapping::value_type(ip4addr, u32Off));
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| 111 | }
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| 112 | }
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| 113 | }
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| 114 | }
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| 115 | else
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| 116 | return VERR_NOT_FOUND;
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| 117 |
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| 118 | return VINF_SUCCESS;
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| 119 | }
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| 120 |
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| 121 |
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| 122 | int createNatListener(ComNatListenerPtr& listener, const ComVirtualBoxPtr& vboxptr,
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| 123 | NATNetworkEventAdapter *adapter, /* const */ ComEventTypeArray& events)
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| 124 | {
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| 125 | ComObjPtr<NATNetworkListenerImpl> obj;
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| 126 | HRESULT hrc = obj.createObject();
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| 127 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 128 |
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| 129 | hrc = obj->init(new NATNetworkListener(), adapter);
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| 130 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 131 |
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| 132 | ComPtr<IEventSource> esVBox;
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| 133 | hrc = vboxptr->COMGETTER(EventSource)(esVBox.asOutParam());
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| 134 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 135 |
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| 136 | listener = obj;
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| 137 |
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| 138 | hrc = esVBox->RegisterListener(listener, ComSafeArrayAsInParam(events), true);
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| 139 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 140 |
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| 141 | return VINF_SUCCESS;
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| 142 | }
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| 143 |
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| 144 | int destroyNatListener(ComNatListenerPtr& listener, const ComVirtualBoxPtr& vboxptr)
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| 145 | {
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| 146 | if (listener)
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| 147 | {
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| 148 | ComPtr<IEventSource> esVBox;
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| 149 | HRESULT hrc = vboxptr->COMGETTER(EventSource)(esVBox.asOutParam());
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| 150 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 151 | if (!esVBox.isNull())
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| 152 | {
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| 153 | hrc = esVBox->UnregisterListener(listener);
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| 154 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 155 | }
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| 156 | listener.setNull();
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| 157 | }
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| 158 | return VINF_SUCCESS;
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| 159 | }
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| 160 |
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| 161 | int createClientListener(ComNatListenerPtr& listener, const ComVirtualBoxClientPtr& vboxclientptr,
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| 162 | NATNetworkEventAdapter *adapter, /* const */ ComEventTypeArray& events)
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| 163 | {
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| 164 | ComObjPtr<NATNetworkListenerImpl> obj;
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| 165 | HRESULT hrc = obj.createObject();
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| 166 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 167 |
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| 168 | hrc = obj->init(new NATNetworkListener(), adapter);
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| 169 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 170 |
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| 171 | ComPtr<IEventSource> esVBox;
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| 172 | hrc = vboxclientptr->COMGETTER(EventSource)(esVBox.asOutParam());
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| 173 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 174 |
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| 175 | listener = obj;
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| 176 |
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| 177 | hrc = esVBox->RegisterListener(listener, ComSafeArrayAsInParam(events), true);
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| 178 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 179 |
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| 180 | return VINF_SUCCESS;
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| 181 | }
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| 182 |
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| 183 | int destroyClientListener(ComNatListenerPtr& listener, const ComVirtualBoxClientPtr& vboxclientptr)
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| 184 | {
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| 185 | if (listener)
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| 186 | {
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| 187 | ComPtr<IEventSource> esVBox;
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| 188 | HRESULT hrc = vboxclientptr->COMGETTER(EventSource)(esVBox.asOutParam());
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| 189 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 190 | if (!esVBox.isNull())
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| 191 | {
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| 192 | hrc = esVBox->UnregisterListener(listener);
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| 193 | AssertComRCReturn(hrc, VERR_INTERNAL_ERROR);
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| 194 | }
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| 195 | listener.setNull();
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| 196 | }
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| 197 | return VINF_SUCCESS;
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| 198 | }
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