Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

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

1 files changed, 558 insertions, 0 deletions

diff --git a/src/VBox/Main/src-server/darwin/NetIf-darwin.cpp b/src/VBox/Main/src-server/darwin/NetIf-darwin.cpp
new file mode 100644
index 00000000..a714069f
--- /dev/null
+++ b/src/VBox/Main/src-server/darwin/NetIf-darwin.cpp
@@ -0,0 +1,558 @@
+/* $Id: NetIf-darwin.cpp $ */
+/** @file
+ * Main - NetIfList, Darwin implementation.
+ */
+
+/*
+ * Copyright (C) 2008-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_MAIN_HOST
+
+/*
+ * Deal with conflicts first.
+ * PVM - BSD mess, that FreeBSD has correct a long time ago.
+ * iprt/types.h before sys/param.h - prevents UINT32_C and friends.
+ */
+#include <iprt/types.h>
+#include <sys/param.h>
+#undef PVM
+
+#include <iprt/errcore.h>
+#include <iprt/alloc.h>
+
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/sysctl.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <ifaddrs.h>
+#include <errno.h>
+#include <unistd.h>
+#include <list>
+
+#include "HostNetworkInterfaceImpl.h"
+#include "netif.h"
+#include "iokit.h"
+#include "LoggingNew.h"
+
+#if 0
+int NetIfList(std::list <ComObjPtr<HostNetworkInterface> > &list)
+{
+    int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (sock < 0)
+    {
+        Log(("NetIfList: socket() -> %d\n", errno));
+        return NULL;
+    }
+    struct ifaddrs *IfAddrs, *pAddr;
+    int rc = getifaddrs(&IfAddrs);
+    if (rc)
+    {
+        close(sock);
+        Log(("NetIfList: getifaddrs() -> %d\n", rc));
+        return VERR_INTERNAL_ERROR;
+    }
+
+    PDARWINETHERNIC pEtherNICs = DarwinGetEthernetControllers();
+    while (pEtherNICs)
+    {
+        size_t cbNameLen = strlen(pEtherNICs->szName) + 1;
+        PNETIFINFO pNew = (PNETIFINFO)RTMemAllocZ(RT_OFFSETOF(NETIFINFO, szName[cbNameLen]));
+        pNew->MACAddress = pEtherNICs->Mac;
+        pNew->enmMediumType = NETIF_T_ETHERNET;
+        pNew->Uuid = pEtherNICs->Uuid;
+        Assert(sizeof(pNew->szShortName) > sizeof(pEtherNICs->szBSDName));
+        memcpy(pNew->szShortName, pEtherNICs->szBSDName, sizeof(pEtherNICs->szBSDName));
+        pNew->szShortName[sizeof(pEtherNICs->szBSDName)] = '\0';
+        memcpy(pNew->szName, pEtherNICs->szName, cbNameLen);
+
+        struct ifreq IfReq;
+        RTStrCopy(IfReq.ifr_name, sizeof(IfReq.ifr_name), pNew->szShortName);
+        if (ioctl(sock, SIOCGIFFLAGS, &IfReq) < 0)
+        {
+            Log(("NetIfList: ioctl(SIOCGIFFLAGS) -> %d\n", errno));
+            pNew->enmStatus = NETIF_S_UNKNOWN;
+        }
+        else
+            pNew->enmStatus = (IfReq.ifr_flags & IFF_UP) ? NETIF_S_UP : NETIF_S_DOWN;
+
+        for (pAddr = IfAddrs; pAddr != NULL; pAddr = pAddr->ifa_next)
+        {
+            if (strcmp(pNew->szShortName, pAddr->ifa_name))
+                continue;
+
+            struct sockaddr_in *pIPAddr, *pIPNetMask;
+            struct sockaddr_in6 *pIPv6Addr, *pIPv6NetMask;
+
+            switch (pAddr->ifa_addr->sa_family)
+            {
+                case AF_INET:
+                    if (pNew->IPAddress.u)
+                        break;
+                    pIPAddr = (struct sockaddr_in *)pAddr->ifa_addr;
+                    Assert(sizeof(pNew->IPAddress) == sizeof(pIPAddr->sin_addr));
+                    pNew->IPAddress.u = pIPAddr->sin_addr.s_addr;
+                    pIPNetMask = (struct sockaddr_in *)pAddr->ifa_netmask;
+                    Assert(pIPNetMask->sin_family == AF_INET);
+                    Assert(sizeof(pNew->IPNetMask) == sizeof(pIPNetMask->sin_addr));
+                    pNew->IPNetMask.u = pIPNetMask->sin_addr.s_addr;
+                    break;
+                case AF_INET6:
+                    if (pNew->IPv6Address.s.Lo || pNew->IPv6Address.s.Hi)
+                        break;
+                    pIPv6Addr = (struct sockaddr_in6 *)pAddr->ifa_addr;
+                    Assert(sizeof(pNew->IPv6Address) == sizeof(pIPv6Addr->sin6_addr));
+                    memcpy(pNew->IPv6Address.au8,
+                           pIPv6Addr->sin6_addr.__u6_addr.__u6_addr8,
+                           sizeof(pNew->IPv6Address));
+                    pIPv6NetMask = (struct sockaddr_in6 *)pAddr->ifa_netmask;
+                    Assert(pIPv6NetMask->sin6_family == AF_INET6);
+                    Assert(sizeof(pNew->IPv6NetMask) == sizeof(pIPv6NetMask->sin6_addr));
+                    memcpy(pNew->IPv6NetMask.au8,
+                           pIPv6NetMask->sin6_addr.__u6_addr.__u6_addr8,
+                           sizeof(pNew->IPv6NetMask));
+                    break;
+            }
+        }
+
+        ComObjPtr<HostNetworkInterface> IfObj;
+        IfObj.createObject();
+        if (SUCCEEDED(IfObj->init(Bstr(pEtherNICs->szName), HostNetworkInterfaceType_Bridged, pNew)))
+            list.push_back(IfObj);
+        RTMemFree(pNew);
+
+        /* next, free current */
+        void *pvFree = pEtherNICs;
+        pEtherNICs = pEtherNICs->pNext;
+        RTMemFree(pvFree);
+    }
+
+    freeifaddrs(IfAddrs);
+    close(sock);
+    return VINF_SUCCESS;
+}
+#else
+
+#define ROUNDUP(a) \
+    (((a) & (sizeof(u_long) - 1)) ? (1 + ((a) | (sizeof(u_long) - 1))) : (a))
+#define ADVANCE(x, n) (x += (n)->sa_len ? ROUNDUP((n)->sa_len) : sizeof(u_long))
+
+void extractAddresses(int iAddrMask, caddr_t cp, caddr_t cplim, struct sockaddr **pAddresses)
+{
+    struct sockaddr *sa;
+
+    for (int i = 0; i < RTAX_MAX && cp < cplim; i++) {
+        if (iAddrMask & (1 << i))
+        {
+            sa = (struct sockaddr *)cp;
+
+            pAddresses[i] = sa;
+
+            ADVANCE(cp, sa);
+        }
+        else
+            pAddresses[i] = NULL;
+    }
+}
+
+void extractAddressesToNetInfo(int iAddrMask, caddr_t cp, caddr_t cplim, PNETIFINFO pInfo)
+{
+    struct sockaddr *addresses[RTAX_MAX];
+
+    extractAddresses(iAddrMask, cp, cplim, addresses);
+    switch (addresses[RTAX_IFA]->sa_family)
+    {
+        case AF_INET:
+            if (!pInfo->IPAddress.u)
+            {
+                pInfo->IPAddress.u = ((struct sockaddr_in *)addresses[RTAX_IFA])->sin_addr.s_addr;
+                pInfo->IPNetMask.u = ((struct sockaddr_in *)addresses[RTAX_NETMASK])->sin_addr.s_addr;
+            }
+            break;
+        case AF_INET6:
+            if (!pInfo->IPv6Address.s.Lo && !pInfo->IPv6Address.s.Hi)
+            {
+                memcpy(pInfo->IPv6Address.au8,
+                       ((struct sockaddr_in6 *)addresses[RTAX_IFA])->sin6_addr.__u6_addr.__u6_addr8,
+                       sizeof(pInfo->IPv6Address));
+                memcpy(pInfo->IPv6NetMask.au8,
+                       ((struct sockaddr_in6 *)addresses[RTAX_NETMASK])->sin6_addr.__u6_addr.__u6_addr8,
+                       sizeof(pInfo->IPv6NetMask));
+            }
+            break;
+        default:
+            Log(("NetIfList: Unsupported address family: %u\n", addresses[RTAX_IFA]->sa_family));
+            break;
+    }
+}
+
+static int getDefaultIfaceIndex(unsigned short *pu16Index)
+{
+    size_t cbNeeded;
+    char *pBuf, *pNext;
+    int aiMib[6];
+    struct sockaddr *addresses[RTAX_MAX];
+
+    aiMib[0] = CTL_NET;
+    aiMib[1] = PF_ROUTE;
+    aiMib[2] = 0;
+    aiMib[3] = PF_INET; /* address family */
+    aiMib[4] = NET_RT_DUMP;
+    aiMib[5] = 0;
+
+    if (sysctl(aiMib, 6, NULL, &cbNeeded, NULL, 0) < 0)
+    {
+        Log(("getDefaultIfaceIndex: Failed to get estimate for list size (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+    if ((pBuf = (char *)RTMemAlloc(cbNeeded)) == NULL)
+        return VERR_NO_MEMORY;
+    if (sysctl(aiMib, 6, pBuf, &cbNeeded, NULL, 0) < 0)
+    {
+        RTMemFree(pBuf);
+        Log(("getDefaultIfaceIndex: Failed to retrieve interface table (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+
+    char *pEnd = pBuf + cbNeeded;
+    struct rt_msghdr *pRtMsg;
+    for (pNext = pBuf; pNext < pEnd; pNext += pRtMsg->rtm_msglen)
+    {
+        pRtMsg = (struct rt_msghdr *)pNext;
+
+        if (pRtMsg->rtm_type != RTM_GET)
+        {
+            Log(("getDefaultIfaceIndex: Got message %u while expecting %u.\n",
+                 pRtMsg->rtm_type, RTM_GET));
+            //rc = VERR_INTERNAL_ERROR;
+            continue;
+        }
+        if ((char*)(pRtMsg + 1) < pEnd)
+        {
+            /* Extract addresses from the message. */
+            extractAddresses(pRtMsg->rtm_addrs, (char *)(pRtMsg + 1),
+                             pRtMsg->rtm_msglen + 1 + (char *)pRtMsg, addresses);
+            if ((pRtMsg->rtm_addrs & RTA_DST)
+                && (pRtMsg->rtm_addrs & RTA_NETMASK))
+            {
+                if (addresses[RTAX_DST]->sa_family != AF_INET)
+                    continue;
+                struct sockaddr_in *addr = (struct sockaddr_in *)addresses[RTAX_DST];
+                struct sockaddr_in *mask = (struct sockaddr_in *)addresses[RTAX_NETMASK];
+                if ((addr->sin_addr.s_addr == INADDR_ANY) &&
+                    mask &&
+                    (ntohl(mask->sin_addr.s_addr) == 0L ||
+                     mask->sin_len == 0))
+                {
+                    *pu16Index = pRtMsg->rtm_index;
+                    RTMemFree(pBuf);
+                    return VINF_SUCCESS;
+                }
+            }
+        }
+    }
+    RTMemFree(pBuf);
+    return 0; /* Failed to find default interface, take the first one in the list. */
+}
+
+int NetIfList(std::list <ComObjPtr<HostNetworkInterface> > &list)
+{
+    int rc = VINF_SUCCESS;
+    size_t cbNeeded;
+    char *pBuf, *pNext;
+    int aiMib[6];
+    unsigned short u16DefaultIface = 0; /* initialized to shut up gcc */
+
+    /* Get the index of the interface associated with default route. */
+    rc = getDefaultIfaceIndex(&u16DefaultIface);
+    if (RT_FAILURE(rc))
+        return rc;
+
+    aiMib[0] = CTL_NET;
+    aiMib[1] = PF_ROUTE;
+    aiMib[2] = 0;
+    aiMib[3] = 0;       /* address family */
+    aiMib[4] = NET_RT_IFLIST;
+    aiMib[5] = 0;
+
+    if (sysctl(aiMib, 6, NULL, &cbNeeded, NULL, 0) < 0)
+    {
+        Log(("NetIfList: Failed to get estimate for list size (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+    if ((pBuf = (char*)RTMemAlloc(cbNeeded)) == NULL)
+        return VERR_NO_MEMORY;
+    if (sysctl(aiMib, 6, pBuf, &cbNeeded, NULL, 0) < 0)
+    {
+        RTMemFree(pBuf);
+        Log(("NetIfList: Failed to retrieve interface table (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+
+    int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (sock < 0)
+    {
+        RTMemFree(pBuf);
+        Log(("NetIfList: socket() -> %d\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+
+    PDARWINETHERNIC pNIC;
+    PDARWINETHERNIC pEtherNICs = DarwinGetEthernetControllers();
+
+    char *pEnd = pBuf + cbNeeded;
+    for (pNext = pBuf; pNext < pEnd;)
+    {
+        struct if_msghdr *pIfMsg = (struct if_msghdr *)pNext;
+
+        if (pIfMsg->ifm_type != RTM_IFINFO)
+        {
+            Log(("NetIfList: Got message %u while expecting %u.\n",
+                 pIfMsg->ifm_type, RTM_IFINFO));
+            rc = VERR_INTERNAL_ERROR;
+            break;
+        }
+        struct sockaddr_dl *pSdl = (struct sockaddr_dl *)(pIfMsg + 1);
+
+        size_t cbNameLen = pSdl->sdl_nlen + 1;
+        Assert(pSdl->sdl_nlen < sizeof(pNIC->szBSDName));
+        for (pNIC = pEtherNICs; pNIC; pNIC = pNIC->pNext)
+            if (   !strncmp(pSdl->sdl_data, pNIC->szBSDName, pSdl->sdl_nlen)
+                && pNIC->szBSDName[pSdl->sdl_nlen] == '\0')
+            {
+                cbNameLen = strlen(pNIC->szName) + 1;
+                break;
+            }
+        PNETIFINFO pNew = (PNETIFINFO)RTMemAllocZ(RT_UOFFSETOF_DYN(NETIFINFO, szName[cbNameLen]));
+        if (!pNew)
+        {
+            rc = VERR_NO_MEMORY;
+            break;
+        }
+        memcpy(pNew->MACAddress.au8, LLADDR(pSdl), sizeof(pNew->MACAddress.au8));
+        pNew->enmMediumType = NETIF_T_ETHERNET;
+        Assert(sizeof(pNew->szShortName) > pSdl->sdl_nlen);
+        memcpy(pNew->szShortName, pSdl->sdl_data, RT_MIN(pSdl->sdl_nlen, sizeof(pNew->szShortName) - 1));
+
+        /*
+         * If we found the adapter in the list returned by
+         * DarwinGetEthernetControllers() copy the name and UUID from there.
+         */
+        if (pNIC)
+        {
+            memcpy(pNew->szName, pNIC->szName, cbNameLen);
+            pNew->Uuid = pNIC->Uuid;
+            pNew->fWireless = pNIC->fWireless;
+        }
+        else
+        {
+            memcpy(pNew->szName, pSdl->sdl_data, pSdl->sdl_nlen);
+            /* Generate UUID from name and MAC address. */
+            RTUUID uuid;
+            RTUuidClear(&uuid);
+            memcpy(&uuid, pNew->szShortName, RT_MIN(cbNameLen, sizeof(uuid)));
+            uuid.Gen.u8ClockSeqHiAndReserved = (uuid.Gen.u8ClockSeqHiAndReserved & 0x3f) | 0x80;
+            uuid.Gen.u16TimeHiAndVersion = (uuid.Gen.u16TimeHiAndVersion & 0x0fff) | 0x4000;
+            memcpy(uuid.Gen.au8Node, pNew->MACAddress.au8, sizeof(uuid.Gen.au8Node));
+            pNew->Uuid = uuid;
+        }
+
+        pNext += pIfMsg->ifm_msglen;
+        while (pNext < pEnd)
+        {
+            struct ifa_msghdr *pIfAddrMsg = (struct ifa_msghdr *)pNext;
+
+            if (pIfAddrMsg->ifam_type != RTM_NEWADDR)
+                break;
+            extractAddressesToNetInfo(pIfAddrMsg->ifam_addrs,
+                                      (char *)(pIfAddrMsg + 1),
+                                      pIfAddrMsg->ifam_msglen + (char *)pIfAddrMsg,
+                                      pNew);
+            pNext += pIfAddrMsg->ifam_msglen;
+        }
+
+        if (pSdl->sdl_type == IFT_ETHER)
+        {
+            struct ifreq IfReq;
+            RTStrCopy(IfReq.ifr_name, sizeof(IfReq.ifr_name), pNew->szShortName);
+            if (ioctl(sock, SIOCGIFFLAGS, &IfReq) < 0)
+            {
+                Log(("NetIfList: ioctl(SIOCGIFFLAGS) -> %d\n", errno));
+                pNew->enmStatus = NETIF_S_UNKNOWN;
+            }
+            else
+                pNew->enmStatus = (IfReq.ifr_flags & IFF_UP) ? NETIF_S_UP : NETIF_S_DOWN;
+
+            HostNetworkInterfaceType_T enmType;
+            if (strncmp(pNew->szName, RT_STR_TUPLE("vboxnet")))
+                enmType = HostNetworkInterfaceType_Bridged;
+            else
+                enmType = HostNetworkInterfaceType_HostOnly;
+
+            ComObjPtr<HostNetworkInterface> IfObj;
+            IfObj.createObject();
+            if (SUCCEEDED(IfObj->init(Bstr(pNew->szName), enmType, pNew)))
+            {
+                /* Make sure the default interface gets to the beginning. */
+                if (pIfMsg->ifm_index == u16DefaultIface)
+                    list.push_front(IfObj);
+                else
+                    list.push_back(IfObj);
+            }
+        }
+        RTMemFree(pNew);
+    }
+    for (pNIC = pEtherNICs; pNIC;)
+    {
+        void *pvFree = pNIC;
+        pNIC = pNIC->pNext;
+        RTMemFree(pvFree);
+    }
+    close(sock);
+    RTMemFree(pBuf);
+    return rc;
+}
+
+int NetIfGetConfigByName(PNETIFINFO pInfo)
+{
+    int rc = VINF_SUCCESS;
+    size_t cbNeeded;
+    char *pBuf, *pNext;
+    int aiMib[6];
+
+    aiMib[0] = CTL_NET;
+    aiMib[1] = PF_ROUTE;
+    aiMib[2] = 0;
+    aiMib[3] = 0;       /* address family */
+    aiMib[4] = NET_RT_IFLIST;
+    aiMib[5] = 0;
+
+    if (sysctl(aiMib, 6, NULL, &cbNeeded, NULL, 0) < 0)
+    {
+        Log(("NetIfList: Failed to get estimate for list size (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+    if ((pBuf = (char*)RTMemAlloc(cbNeeded)) == NULL)
+        return VERR_NO_MEMORY;
+    if (sysctl(aiMib, 6, pBuf, &cbNeeded, NULL, 0) < 0)
+    {
+        RTMemFree(pBuf);
+        Log(("NetIfList: Failed to retrieve interface table (errno=%d).\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+
+    int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (sock < 0)
+    {
+        RTMemFree(pBuf);
+        Log(("NetIfList: socket() -> %d\n", errno));
+        return RTErrConvertFromErrno(errno);
+    }
+
+    char *pEnd = pBuf + cbNeeded;
+    for (pNext = pBuf; pNext < pEnd;)
+    {
+        struct if_msghdr *pIfMsg = (struct if_msghdr *)pNext;
+
+        if (pIfMsg->ifm_type != RTM_IFINFO)
+        {
+            Log(("NetIfList: Got message %u while expecting %u.\n",
+                 pIfMsg->ifm_type, RTM_IFINFO));
+            rc = VERR_INTERNAL_ERROR;
+            break;
+        }
+        struct sockaddr_dl *pSdl = (struct sockaddr_dl *)(pIfMsg + 1);
+
+        bool fSkip = !!strncmp(pInfo->szShortName, pSdl->sdl_data, pSdl->sdl_nlen)
+            || pInfo->szShortName[pSdl->sdl_nlen] != '\0';
+
+        pNext += pIfMsg->ifm_msglen;
+        while (pNext < pEnd)
+        {
+            struct ifa_msghdr *pIfAddrMsg = (struct ifa_msghdr *)pNext;
+
+            if (pIfAddrMsg->ifam_type != RTM_NEWADDR)
+                break;
+            if (!fSkip)
+                extractAddressesToNetInfo(pIfAddrMsg->ifam_addrs,
+                                          (char *)(pIfAddrMsg + 1),
+                                          pIfAddrMsg->ifam_msglen + (char *)pIfAddrMsg,
+                                          pInfo);
+            pNext += pIfAddrMsg->ifam_msglen;
+        }
+
+        if (!fSkip && pSdl->sdl_type == IFT_ETHER)
+        {
+            size_t cbNameLen = pSdl->sdl_nlen + 1;
+            memcpy(pInfo->MACAddress.au8, LLADDR(pSdl), sizeof(pInfo->MACAddress.au8));
+            pInfo->enmMediumType = NETIF_T_ETHERNET;
+            /* Generate UUID from name and MAC address. */
+            RTUUID uuid;
+            RTUuidClear(&uuid);
+            memcpy(&uuid, pInfo->szShortName, RT_MIN(cbNameLen, sizeof(uuid)));
+            uuid.Gen.u8ClockSeqHiAndReserved = (uuid.Gen.u8ClockSeqHiAndReserved & 0x3f) | 0x80;
+            uuid.Gen.u16TimeHiAndVersion = (uuid.Gen.u16TimeHiAndVersion & 0x0fff) | 0x4000;
+            memcpy(uuid.Gen.au8Node, pInfo->MACAddress.au8, sizeof(uuid.Gen.au8Node));
+            pInfo->Uuid = uuid;
+
+            struct ifreq IfReq;
+            RTStrCopy(IfReq.ifr_name, sizeof(IfReq.ifr_name), pInfo->szShortName);
+            if (ioctl(sock, SIOCGIFFLAGS, &IfReq) < 0)
+            {
+                Log(("NetIfList: ioctl(SIOCGIFFLAGS) -> %d\n", errno));
+                pInfo->enmStatus = NETIF_S_UNKNOWN;
+            }
+            else
+                pInfo->enmStatus = (IfReq.ifr_flags & IFF_UP) ? NETIF_S_UP : NETIF_S_DOWN;
+
+            return VINF_SUCCESS;
+        }
+    }
+    close(sock);
+    RTMemFree(pBuf);
+    return rc;
+}
+
+/**
+ * Retrieve the physical link speed in megabits per second. If the interface is
+ * not up or otherwise unavailable the zero speed is returned.
+ *
+ * @returns VBox status code.
+ *
+ * @param   pcszIfName  Interface name.
+ * @param   puMbits     Where to store the link speed.
+ */
+int NetIfGetLinkSpeed(const char *pcszIfName, uint32_t *puMbits)
+{
+    RT_NOREF(pcszIfName, puMbits);
+    return VERR_NOT_IMPLEMENTED;
+}
+#endif