Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 666 insertions, 0 deletions

diff --git a/src/VBox/Main/src-server/HostNetworkInterfaceImpl.cpp b/src/VBox/Main/src-server/HostNetworkInterfaceImpl.cpp
new file mode 100644
index 00000000..44f6872c
--- /dev/null
+++ b/src/VBox/Main/src-server/HostNetworkInterfaceImpl.cpp
@@ -0,0 +1,666 @@
+/* $Id: HostNetworkInterfaceImpl.cpp $ */
+/** @file
+ * VirtualBox COM class implementation
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ */
+
+#define LOG_GROUP LOG_GROUP_MAIN_HOSTNETWORKINTERFACE
+#include "HostNetworkInterfaceImpl.h"
+#include "AutoCaller.h"
+#include "netif.h"
+#ifdef VBOX_WITH_RESOURCE_USAGE_API
+# include "Performance.h"
+# include "PerformanceImpl.h"
+#endif
+#include "LoggingNew.h"
+
+#include <iprt/cpp/utils.h>
+
+#ifdef RT_OS_FREEBSD
+# include <netinet/in.h> /* INADDR_NONE */
+#endif /* RT_OS_FREEBSD */
+
+#include "VirtualBoxImpl.h"
+
+// constructor / destructor
+/////////////////////////////////////////////////////////////////////////////
+
+HostNetworkInterface::HostNetworkInterface()
+    : mVirtualBox(NULL)
+{
+}
+
+HostNetworkInterface::~HostNetworkInterface()
+{
+}
+
+HRESULT HostNetworkInterface::FinalConstruct()
+{
+    return BaseFinalConstruct();
+}
+
+void HostNetworkInterface::FinalRelease()
+{
+    uninit();
+    BaseFinalRelease();
+}
+
+// public initializer/uninitializer for internal purposes only
+/////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Initializes the host object.
+ *
+ * @returns COM result indicator
+ * @param   aInterfaceName name of the network interface
+ * @param   aShortName  short name of the network interface
+ * @param   aGuid       GUID of the host network interface
+ * @param   ifType      interface type
+ */
+HRESULT HostNetworkInterface::init(Bstr aInterfaceName, Bstr aShortName, Guid aGuid, HostNetworkInterfaceType_T ifType)
+{
+    LogFlowThisFunc(("aInterfaceName={%ls}, aGuid={%s}\n",
+                      aInterfaceName.raw(), aGuid.toString().c_str()));
+
+    ComAssertRet(!aInterfaceName.isEmpty(), E_INVALIDARG);
+    ComAssertRet(aGuid.isValid(), E_INVALIDARG);
+
+    /* Enclose the state transition NotReady->InInit->Ready */
+    AutoInitSpan autoInitSpan(this);
+    AssertReturn(autoInitSpan.isOk(), E_FAIL);
+
+    unconst(mInterfaceName) = aInterfaceName;
+    unconst(mNetworkName) = i_composeNetworkName(aShortName);
+    unconst(mShortName) = aShortName;
+    unconst(mGuid) = aGuid;
+    mIfType = ifType;
+
+    /* Confirm a successful initialization */
+    autoInitSpan.setSucceeded();
+
+    return S_OK;
+}
+
+#ifdef VBOX_WITH_RESOURCE_USAGE_API
+
+void HostNetworkInterface::i_registerMetrics(PerformanceCollector *aCollector, ComPtr<IUnknown> objptr)
+{
+    LogFlowThisFunc(("mShortName={%ls}, mInterfaceName={%ls}, mGuid={%s}, mSpeedMbits=%u\n",
+                     mShortName.raw(), mInterfaceName.raw(), mGuid.toString().c_str(), m.speedMbits));
+    pm::CollectorHAL *hal = aCollector->getHAL();
+    /* Create sub metrics */
+    Utf8StrFmt strName("Net/%ls", mShortName.raw());
+    pm::SubMetric *networkLoadRx   = new pm::SubMetric(strName + "/Load/Rx",
+        "Percentage of network interface receive bandwidth used.");
+    pm::SubMetric *networkLoadTx   = new pm::SubMetric(strName + "/Load/Tx",
+        "Percentage of network interface transmit bandwidth used.");
+    pm::SubMetric *networkLinkSpeed = new pm::SubMetric(strName + "/LinkSpeed",
+        "Physical link speed.");
+
+    /* Create and register base metrics */
+    pm::BaseMetric *networkSpeed = new pm::HostNetworkSpeed(hal, objptr, strName + "/LinkSpeed",
+                                                            Utf8Str(mShortName), Utf8Str(mInterfaceName),
+                                                            m.speedMbits, networkLinkSpeed);
+    aCollector->registerBaseMetric(networkSpeed);
+    pm::BaseMetric *networkLoad = new pm::HostNetworkLoadRaw(hal, objptr, strName + "/Load",
+                                                             Utf8Str(mShortName), Utf8Str(mInterfaceName),
+                                                             m.speedMbits, networkLoadRx, networkLoadTx);
+    aCollector->registerBaseMetric(networkLoad);
+
+    aCollector->registerMetric(new pm::Metric(networkSpeed, networkLinkSpeed, 0));
+    aCollector->registerMetric(new pm::Metric(networkSpeed, networkLinkSpeed,
+                                              new pm::AggregateAvg()));
+    aCollector->registerMetric(new pm::Metric(networkSpeed, networkLinkSpeed,
+                                              new pm::AggregateMin()));
+    aCollector->registerMetric(new pm::Metric(networkSpeed, networkLinkSpeed,
+                                              new pm::AggregateMax()));
+
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadRx, 0));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadRx,
+                                              new pm::AggregateAvg()));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadRx,
+                                              new pm::AggregateMin()));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadRx,
+                                              new pm::AggregateMax()));
+
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadTx, 0));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadTx,
+                                              new pm::AggregateAvg()));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadTx,
+                                              new pm::AggregateMin()));
+    aCollector->registerMetric(new pm::Metric(networkLoad, networkLoadTx,
+                                              new pm::AggregateMax()));
+}
+
+void HostNetworkInterface::i_unregisterMetrics(PerformanceCollector *aCollector, ComPtr<IUnknown> objptr)
+{
+    LogFlowThisFunc(("mShortName={%ls}, mInterfaceName={%ls}, mGuid={%s}\n",
+                     mShortName.raw(), mInterfaceName.raw(), mGuid.toString().c_str()));
+    Utf8StrFmt name("Net/%ls", mShortName.raw());
+    aCollector->unregisterMetricsFor(objptr, name + "/*");
+    aCollector->unregisterBaseMetricsFor(objptr, name);
+}
+
+#endif /* VBOX_WITH_RESOURCE_USAGE_API */
+
+#ifdef VBOX_WITH_HOSTNETIF_API
+
+HRESULT HostNetworkInterface::updateConfig()
+{
+    NETIFINFO info;
+    int rc = NetIfGetConfig(this, &info);
+    if (RT_SUCCESS(rc))
+    {
+        int iPrefixIPv6;
+
+        m.realIPAddress = m.IPAddress = info.IPAddress.u;
+        m.realNetworkMask = m.networkMask = info.IPNetMask.u;
+        m.dhcpEnabled = info.fDhcpEnabled;
+        if (info.IPv6Address.s.Lo || info.IPv6Address.s.Hi)
+            m.realIPV6Address = m.IPV6Address = Bstr(Utf8StrFmt("%RTnaipv6", &info.IPv6Address));
+        else
+            m.realIPV6Address = m.IPV6Address = Bstr("");
+        RTNetMaskToPrefixIPv6(&info.IPv6NetMask, &iPrefixIPv6);
+        m.realIPV6PrefixLength = m.IPV6NetworkMaskPrefixLength = iPrefixIPv6;
+        m.hardwareAddress = Bstr(Utf8StrFmt("%RTmac", &info.MACAddress));
+        AssertCompile((unsigned)NETIF_T_UNKNOWN == (unsigned)HostNetworkInterfaceMediumType_Unknown);
+        m.mediumType = (HostNetworkInterfaceMediumType_T)info.enmMediumType;
+        AssertCompile((unsigned)NETIF_S_UNKNOWN == (unsigned)HostNetworkInterfaceStatus_Unknown);
+        m.status = (HostNetworkInterfaceStatus_T)info.enmStatus;
+        m.speedMbits = info.uSpeedMbits;
+        m.wireless = info.fWireless;
+        return S_OK;
+    }
+    return rc == VERR_NOT_IMPLEMENTED ? E_NOTIMPL : E_FAIL;
+}
+
+Bstr HostNetworkInterface::i_composeNetworkName(const Utf8Str aShortName)
+{
+    return Utf8Str("HostInterfaceNetworking-").append(aShortName);
+}
+/**
+ * Initializes the host object.
+ *
+ * @returns COM result indicator
+ * @param   aInterfaceName name of the network interface
+ * @param   aGuid GUID of the host network interface
+ */
+HRESULT HostNetworkInterface::init(Bstr aInterfaceName, HostNetworkInterfaceType_T ifType, PNETIFINFO pIf)
+{
+//    LogFlowThisFunc(("aInterfaceName={%ls}, aGuid={%s}\n",
+//                      aInterfaceName.raw(), aGuid.toString().raw()));
+
+//    ComAssertRet(aInterfaceName, E_INVALIDARG);
+//    ComAssertRet(aGuid.isValid(), E_INVALIDARG);
+    ComAssertRet(pIf, E_INVALIDARG);
+
+    /* Enclose the state transition NotReady->InInit->Ready */
+    AutoInitSpan autoInitSpan(this);
+    AssertReturn(autoInitSpan.isOk(), E_FAIL);
+
+    unconst(mInterfaceName) = aInterfaceName;
+    unconst(mGuid) = pIf->Uuid;
+    if (pIf->szShortName[0])
+    {
+        unconst(mNetworkName) = i_composeNetworkName(pIf->szShortName);
+        unconst(mShortName)   = pIf->szShortName;
+    }
+    else
+    {
+        unconst(mNetworkName) = i_composeNetworkName(aInterfaceName);
+        unconst(mShortName)   = aInterfaceName;
+    }
+    mIfType = ifType;
+
+    int iPrefixIPv6;
+
+    m.realIPAddress = m.IPAddress = pIf->IPAddress.u;
+    m.realNetworkMask = m.networkMask = pIf->IPNetMask.u;
+    if (pIf->IPv6Address.s.Lo || pIf->IPv6Address.s.Hi)
+        m.realIPV6Address = m.IPV6Address = Bstr(Utf8StrFmt("%RTnaipv6", &pIf->IPv6Address));
+    else
+        m.realIPV6Address = m.IPV6Address = Bstr("");
+    RTNetMaskToPrefixIPv6(&pIf->IPv6NetMask, &iPrefixIPv6);
+    m.realIPV6PrefixLength = m.IPV6NetworkMaskPrefixLength = iPrefixIPv6;
+    m.dhcpEnabled = pIf->fDhcpEnabled;
+    m.hardwareAddress = Bstr(Utf8StrFmt("%RTmac", &pIf->MACAddress));
+    AssertCompile((unsigned)NETIF_T_UNKNOWN == (unsigned)HostNetworkInterfaceMediumType_Unknown);
+    m.mediumType = (HostNetworkInterfaceMediumType_T)pIf->enmMediumType;
+    AssertCompile((unsigned)NETIF_S_UNKNOWN == (unsigned)HostNetworkInterfaceStatus_Unknown);
+    m.status = (HostNetworkInterfaceStatus_T)pIf->enmStatus;
+    m.speedMbits = pIf->uSpeedMbits;
+    m.wireless = pIf->fWireless;
+
+    /* Confirm a successful initialization */
+    autoInitSpan.setSucceeded();
+
+    return S_OK;
+}
+#endif
+
+// wrapped IHostNetworkInterface properties
+/////////////////////////////////////////////////////////////////////////////
+/**
+ * Returns the name of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aInterfaceName - Interface Name
+ */
+
+HRESULT HostNetworkInterface::getName(com::Utf8Str &aInterfaceName)
+{
+    aInterfaceName = mInterfaceName;
+    return S_OK;
+}
+
+/**
+ * Returns the short name of the host network interface.
+ *
+ * @returns  COM status code
+ * @param   aShortName Short Name
+ */
+
+HRESULT HostNetworkInterface::getShortName(com::Utf8Str &aShortName)
+{
+    aShortName = mShortName;
+
+    return S_OK;
+}
+
+/**
+ * Returns the GUID of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aGuid GUID
+ */
+HRESULT HostNetworkInterface::getId(com::Guid &aGuid)
+{
+    aGuid = mGuid;
+
+    return S_OK;
+}
+
+HRESULT HostNetworkInterface::getDHCPEnabled(BOOL *aDHCPEnabled)
+{
+    *aDHCPEnabled = m.dhcpEnabled;
+
+    return S_OK;
+}
+
+
+/**
+ * Returns the IP address of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aIPAddress  Address name
+ */
+HRESULT HostNetworkInterface::getIPAddress(com::Utf8Str &aIPAddress)
+{
+    in_addr tmp;
+#if defined(RT_OS_WINDOWS)
+    tmp.S_un.S_addr = m.IPAddress;
+#else
+    tmp.s_addr = m.IPAddress;
+#endif
+    char *addr = inet_ntoa(tmp);
+    if (addr)
+    {
+        aIPAddress = addr;
+        return S_OK;
+    }
+
+    return E_FAIL;
+}
+
+/**
+ * Returns the netwok mask of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aNetworkMask name.
+ */
+HRESULT HostNetworkInterface::getNetworkMask(com::Utf8Str &aNetworkMask)
+{
+
+    in_addr tmp;
+#if defined(RT_OS_WINDOWS)
+    tmp.S_un.S_addr = m.networkMask;
+#else
+    tmp.s_addr = m.networkMask;
+#endif
+    char *addr = inet_ntoa(tmp);
+    if (addr)
+    {
+        aNetworkMask = Utf8Str(addr);
+        return S_OK;
+    }
+
+    return E_FAIL;
+}
+
+HRESULT HostNetworkInterface::getIPV6Supported(BOOL *aIPV6Supported)
+{
+#if defined(RT_OS_WINDOWS)
+    *aIPV6Supported = FALSE;
+#else
+    *aIPV6Supported = TRUE;
+#endif
+
+    return S_OK;
+}
+
+/**
+ * Returns the IP V6 address of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aIPV6Address
+ */
+HRESULT HostNetworkInterface::getIPV6Address(com::Utf8Str &aIPV6Address)
+{
+    aIPV6Address = m.IPV6Address;
+    return S_OK;
+}
+
+/**
+ * Returns the IP V6 network mask prefix length of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aIPV6NetworkMaskPrefixLength address of result pointer
+ */
+HRESULT HostNetworkInterface::getIPV6NetworkMaskPrefixLength(ULONG *aIPV6NetworkMaskPrefixLength)
+{
+    *aIPV6NetworkMaskPrefixLength = m.IPV6NetworkMaskPrefixLength;
+
+    return S_OK;
+}
+
+/**
+ * Returns the hardware address of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aHardwareAddress hardware address
+ */
+HRESULT HostNetworkInterface::getHardwareAddress(com::Utf8Str &aHardwareAddress)
+{
+    aHardwareAddress = m.hardwareAddress;
+    return S_OK;
+}
+
+/**
+ * Returns the encapsulation protocol type of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aType address of result pointer
+ */
+HRESULT HostNetworkInterface::getMediumType(HostNetworkInterfaceMediumType_T *aType)
+{
+    *aType = m.mediumType;
+
+    return S_OK;
+}
+
+/**
+ * Returns the current state of the host network interface.
+ *
+ * @returns COM status code
+ * @param   aStatus address of result pointer
+ */
+HRESULT HostNetworkInterface::getStatus(HostNetworkInterfaceStatus_T *aStatus)
+{
+    *aStatus = m.status;
+
+    return S_OK;
+}
+
+/**
+ * Returns network interface type
+ *
+ * @returns COM status code
+ * @param   aType address of result pointer
+ */
+HRESULT HostNetworkInterface::getInterfaceType(HostNetworkInterfaceType_T *aType)
+{
+    *aType = mIfType;
+
+    return S_OK;
+
+}
+
+HRESULT HostNetworkInterface::getNetworkName(com::Utf8Str &aNetworkName)
+{
+    aNetworkName = mNetworkName;
+
+    return S_OK;
+}
+
+HRESULT HostNetworkInterface::getWireless(BOOL *aWireless)
+{
+    *aWireless = m.wireless;
+
+    return S_OK;
+}
+
+HRESULT HostNetworkInterface::enableStaticIPConfig(const com::Utf8Str &aIPAddress,
+                                                   const com::Utf8Str &aNetworkMask)
+{
+#ifndef VBOX_WITH_HOSTNETIF_API
+    return E_NOTIMPL;
+#else
+    if (aIPAddress.isEmpty())
+    {
+        if (m.IPAddress)
+        {
+            int rc = NetIfEnableStaticIpConfig(mVirtualBox, this, m.IPAddress, 0, 0);
+            if (RT_SUCCESS(rc))
+            {
+                m.realIPAddress = 0;
+                if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPAddress",
+                                                             mInterfaceName.raw()).raw(), NULL)))
+                    return E_FAIL;
+                if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPNetMask",
+                                                             mInterfaceName.raw()).raw(), NULL)))
+                    return E_FAIL;
+                return S_OK;
+            }
+        }
+        else
+            return S_OK;
+    }
+
+    ULONG ip, mask;
+    ip = inet_addr(aIPAddress.c_str());
+    if (ip != INADDR_NONE)
+    {
+        if (aNetworkMask.isEmpty())
+            mask = 0xFFFFFF;
+        else
+            mask = inet_addr(aNetworkMask.c_str());
+        if (mask != INADDR_NONE)
+        {
+            if (m.realIPAddress == ip && m.realNetworkMask == mask)
+                return S_OK;
+            int rc = NetIfEnableStaticIpConfig(mVirtualBox, this, m.IPAddress, ip, mask);
+            if (RT_SUCCESS(rc))
+            {
+                m.realIPAddress   = ip;
+                m.realNetworkMask = mask;
+                if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPAddress",
+                                                             mInterfaceName.raw()).raw(),
+                                                     Bstr(aIPAddress).raw())))
+                    return E_FAIL;
+                if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPNetMask",
+                                                             mInterfaceName.raw()).raw(),
+                                                     Bstr(aNetworkMask).raw())))
+                    return E_FAIL;
+                return S_OK;
+            }
+            else
+            {
+                LogRel(("Failed to EnableStaticIpConfig with rc=%Rrc\n", rc));
+                return rc == VERR_NOT_IMPLEMENTED ? E_NOTIMPL : E_FAIL;
+            }
+
+        }
+    }
+    return E_FAIL;
+#endif
+}
+
+HRESULT HostNetworkInterface::enableStaticIPConfigV6(const com::Utf8Str &aIPV6Address,
+                                                     ULONG aIPV6NetworkMaskPrefixLength)
+{
+#ifndef VBOX_WITH_HOSTNETIF_API
+    return E_NOTIMPL;
+#else
+    if (aIPV6NetworkMaskPrefixLength > 128)
+        return mVirtualBox->setErrorBoth(E_INVALIDARG, VERR_INVALID_PARAMETER,
+                   "Invalid IPv6 prefix length");
+
+    int rc;
+
+    RTNETADDRIPV6 AddrOld, AddrNew;
+    char *pszZoneIgnored;
+    bool fAddrChanged;
+
+    rc = RTNetStrToIPv6Addr(aIPV6Address.c_str(), &AddrNew, &pszZoneIgnored);
+    if (RT_FAILURE(rc))
+    {
+        return mVirtualBox->setErrorBoth(E_INVALIDARG, rc, "Invalid IPv6 address");
+    }
+
+    rc = RTNetStrToIPv6Addr(com::Utf8Str(m.realIPV6Address).c_str(), &AddrOld, &pszZoneIgnored);
+    if (RT_SUCCESS(rc))
+    {
+        fAddrChanged = (AddrNew.s.Lo != AddrOld.s.Lo || AddrNew.s.Hi != AddrOld.s.Hi);
+    }
+    else
+    {
+        fAddrChanged = true;
+    }
+
+    if (   fAddrChanged
+        || m.realIPV6PrefixLength != aIPV6NetworkMaskPrefixLength)
+    {
+        BSTR bstr;
+        aIPV6Address.cloneTo(&bstr);
+        if (aIPV6NetworkMaskPrefixLength == 0)
+            aIPV6NetworkMaskPrefixLength = 64;
+        rc = NetIfEnableStaticIpConfigV6(mVirtualBox, this, m.IPV6Address.raw(),
+                                         bstr, aIPV6NetworkMaskPrefixLength);
+        if (RT_FAILURE(rc))
+        {
+            LogRel(("Failed to EnableStaticIpConfigV6 with rc=%Rrc\n", rc));
+            return rc == VERR_NOT_IMPLEMENTED ? E_NOTIMPL : E_FAIL;
+        }
+        else
+        {
+            m.realIPV6Address = aIPV6Address;
+            m.realIPV6PrefixLength = aIPV6NetworkMaskPrefixLength;
+            if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPV6Address",
+                                                         mInterfaceName.raw()).raw(),
+                                                 Bstr(aIPV6Address).raw())))
+                return E_FAIL;
+            if (FAILED(mVirtualBox->SetExtraData(BstrFmt("HostOnly/%ls/IPV6NetMask",
+                                                         mInterfaceName.raw()).raw(),
+                                                 BstrFmt("%u", aIPV6NetworkMaskPrefixLength).raw())))
+                return E_FAIL;
+        }
+
+    }
+    return S_OK;
+#endif
+}
+
+HRESULT HostNetworkInterface::enableDynamicIPConfig()
+{
+#ifndef VBOX_WITH_HOSTNETIF_API
+    return E_NOTIMPL;
+#else
+    int rc = NetIfEnableDynamicIpConfig(mVirtualBox, this);
+    if (RT_FAILURE(rc))
+    {
+        LogRel(("Failed to EnableDynamicIpConfig with rc=%Rrc\n", rc));
+        return rc == VERR_NOT_IMPLEMENTED ? E_NOTIMPL : E_FAIL;
+    }
+    return S_OK;
+#endif
+}
+
+HRESULT HostNetworkInterface::dHCPRediscover()
+{
+#ifndef VBOX_WITH_HOSTNETIF_API
+    return E_NOTIMPL;
+#else
+    int rc = NetIfDhcpRediscover(mVirtualBox, this);
+    if (RT_FAILURE(rc))
+    {
+        LogRel(("Failed to DhcpRediscover with rc=%Rrc\n", rc));
+        return rc == VERR_NOT_IMPLEMENTED ? E_NOTIMPL : E_FAIL;
+    }
+    return S_OK;
+#endif
+}
+
+HRESULT HostNetworkInterface::i_setVirtualBox(VirtualBox *pVirtualBox)
+{
+    AutoCaller autoCaller(this);
+    if (FAILED(autoCaller.rc())) return autoCaller.rc();
+
+    AssertReturn(mVirtualBox != pVirtualBox, S_OK);
+
+    unconst(mVirtualBox) = pVirtualBox;
+
+#if !defined(RT_OS_WINDOWS)
+    /* If IPv4 address hasn't been initialized */
+    if (m.IPAddress == 0 && mIfType == HostNetworkInterfaceType_HostOnly)
+    {
+        Bstr tmpAddr, tmpMask;
+        HRESULT hrc = mVirtualBox->GetExtraData(BstrFmt("HostOnly/%ls/IPAddress",
+                                                        mInterfaceName.raw()).raw(),
+                                                tmpAddr.asOutParam());
+        if (FAILED(hrc) || tmpAddr.isEmpty())
+            tmpAddr = getDefaultIPv4Address(mInterfaceName);
+
+        hrc = mVirtualBox->GetExtraData(BstrFmt("HostOnly/%ls/IPNetMask",
+                                                mInterfaceName.raw()).raw(),
+                                        tmpMask.asOutParam());
+        if (FAILED(hrc) || tmpMask.isEmpty())
+            tmpMask = Bstr(VBOXNET_IPV4MASK_DEFAULT);
+
+        m.IPAddress = inet_addr(Utf8Str(tmpAddr).c_str());
+        m.networkMask = inet_addr(Utf8Str(tmpMask).c_str());
+    }
+
+    if (m.IPV6Address.isEmpty())
+    {
+        Bstr tmpPrefixLen;
+        HRESULT hrc = mVirtualBox->GetExtraData(BstrFmt("HostOnly/%ls/IPV6Address",
+                                                        mInterfaceName.raw()).raw(),
+                                                m.IPV6Address.asOutParam());
+        if (SUCCEEDED(hrc) && !m.IPV6Address.isEmpty())
+        {
+            hrc = mVirtualBox->GetExtraData(BstrFmt("HostOnly/%ls/IPV6PrefixLen",
+                                                    mInterfaceName.raw()).raw(),
+                                            tmpPrefixLen.asOutParam());
+            if (SUCCEEDED(hrc) && !tmpPrefixLen.isEmpty())
+                m.IPV6NetworkMaskPrefixLength = Utf8Str(tmpPrefixLen).toUInt32();
+            else
+                m.IPV6NetworkMaskPrefixLength = 64;
+        }
+    }
+#endif
+
+    return S_OK;
+}
+
+/* vi: set tabstop=4 shiftwidth=4 expandtab: */