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/* $Id: NetIf-generic.cpp $ */
/** @file
* VirtualBox Main - Generic NetIf implementation.
*/
/*
* Copyright (C) 2009-2010 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.
*/
#include <VBox/err.h>
#include <VBox/log.h>
#include <iprt/process.h>
#include <iprt/env.h>
#include <iprt/path.h>
#include <iprt/param.h>
#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN)
# include <cstdio>
#endif
#include "HostNetworkInterfaceImpl.h"
#include "ProgressImpl.h"
#include "VirtualBoxImpl.h"
#include "netif.h"
#define VBOXNETADPCTL_NAME "VBoxNetAdpCtl"
static int NetIfAdpCtl(const char * pcszIfName, const char *pszAddr, const char *pszOption, const char *pszMask)
{
const char *args[] = { NULL, pcszIfName, pszAddr, pszOption, pszMask, NULL };
char szAdpCtl[RTPATH_MAX];
int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME));
if (RT_FAILURE(rc))
{
LogRel(("NetIfAdpCtl: failed to get program path, rc=%Rrc.\n", rc));
return rc;
}
strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME);
args[0] = szAdpCtl;
if (!RTPathExists(szAdpCtl))
{
LogRel(("NetIfAdpCtl: path %s does not exist. Failed to run " VBOXNETADPCTL_NAME " helper.\n",
szAdpCtl));
return VERR_FILE_NOT_FOUND;
}
RTPROCESS pid;
rc = RTProcCreate(szAdpCtl, args, RTENV_DEFAULT, 0, &pid);
if (RT_SUCCESS(rc))
{
RTPROCSTATUS Status;
rc = RTProcWait(pid, 0, &Status);
if ( RT_SUCCESS(rc)
&& Status.iStatus == 0
&& Status.enmReason == RTPROCEXITREASON_NORMAL)
return VINF_SUCCESS;
}
else
LogRel(("NetIfAdpCtl: failed to create process for %.\n",
szAdpCtl));
return rc;
}
static int NetIfAdpCtl(HostNetworkInterface * pIf, const char *pszAddr, const char *pszOption, const char *pszMask)
{
Bstr interfaceName;
pIf->COMGETTER(Name)(interfaceName.asOutParam());
Utf8Str strName(interfaceName);
return NetIfAdpCtl(strName.c_str(), pszAddr, pszOption, pszMask);
}
int NetIfEnableStaticIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * pIf, ULONG aOldIp, ULONG aNewIp, ULONG aMask)
{
const char *pszOption, *pszMask;
char szAddress[16]; /* 4*3 + 3*1 + 1 */
char szNetMask[16]; /* 4*3 + 3*1 + 1 */
uint8_t *pu8Addr = (uint8_t *)&aNewIp;
uint8_t *pu8Mask = (uint8_t *)&aMask;
if (aNewIp == 0)
{
pu8Addr = (uint8_t *)&aOldIp;
pszOption = "remove";
pszMask = NULL;
}
else
{
pszOption = "netmask";
pszMask = szNetMask;
RTStrPrintf(szNetMask, sizeof(szNetMask), "%d.%d.%d.%d",
pu8Mask[0], pu8Mask[1], pu8Mask[2], pu8Mask[3]);
}
RTStrPrintf(szAddress, sizeof(szAddress), "%d.%d.%d.%d",
pu8Addr[0], pu8Addr[1], pu8Addr[2], pu8Addr[3]);
return NetIfAdpCtl(pIf, szAddress, pszOption, pszMask);
}
int NetIfEnableStaticIpConfigV6(VirtualBox * /* vBox */, HostNetworkInterface * pIf, IN_BSTR aOldIPV6Address, IN_BSTR aIPV6Address, ULONG aIPV6MaskPrefixLength)
{
char szAddress[5*8 + 1 + 5 + 1];
if (Bstr(aIPV6Address).length())
{
RTStrPrintf(szAddress, sizeof(szAddress), "%ls/%d",
aIPV6Address, aIPV6MaskPrefixLength);
return NetIfAdpCtl(pIf, szAddress, NULL, NULL);
}
else
{
RTStrPrintf(szAddress, sizeof(szAddress), "%ls",
aOldIPV6Address);
return NetIfAdpCtl(pIf, szAddress, "remove", NULL);
}
}
int NetIfEnableDynamicIpConfig(VirtualBox * /* vBox */, HostNetworkInterface * /* pIf */)
{
return VERR_NOT_IMPLEMENTED;
}
int NetIfCreateHostOnlyNetworkInterface(VirtualBox *pVBox,
IHostNetworkInterface **aHostNetworkInterface,
IProgress **aProgress,
const char *pcszName)
{
#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
/* create a progress object */
ComObjPtr<Progress> progress;
progress.createObject();
ComPtr<IHost> host;
HRESULT hrc = pVBox->COMGETTER(Host)(host.asOutParam());
if (SUCCEEDED(hrc))
{
hrc = progress->init(pVBox, host,
Bstr("Creating host only network interface").raw(),
FALSE /* aCancelable */);
if (SUCCEEDED(hrc))
{
progress.queryInterfaceTo(aProgress);
char szAdpCtl[RTPATH_MAX];
int rc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
if (RT_FAILURE(rc))
{
progress->notifyComplete(E_FAIL,
COM_IIDOF(IHostNetworkInterface),
HostNetworkInterface::getStaticComponentName(),
"Failed to get program path, rc=%Rrc\n", rc);
return rc;
}
strcat(szAdpCtl, "/" VBOXNETADPCTL_NAME " ");
if (pcszName && strlen(pcszName) <= RTPATH_MAX - strlen(szAdpCtl) - sizeof(" add"))
{
strcat(szAdpCtl, pcszName);
strcat(szAdpCtl, " add");
}
else
strcat(szAdpCtl, "add");
FILE *fp = popen(szAdpCtl, "r");
if (fp)
{
char szBuf[VBOXNET_MAX_SHORT_NAME];
if (fgets(szBuf, sizeof(szBuf), fp))
{
char *pLast = szBuf + strlen(szBuf) - 1;
if (pLast >= szBuf && *pLast == '\n')
*pLast = 0;
size_t cbNameLen = strlen(szBuf) + 1;
PNETIFINFO pInfo = (PNETIFINFO)RTMemAllocZ(RT_OFFSETOF(NETIFINFO, szName[cbNameLen]));
if (!pInfo)
rc = VERR_NO_MEMORY;
else
{
strcpy(pInfo->szShortName, szBuf);
strcpy(pInfo->szName, szBuf);
rc = NetIfGetConfigByName(pInfo);
if (RT_FAILURE(rc))
{
progress->notifyComplete(E_FAIL,
COM_IIDOF(IHostNetworkInterface),
HostNetworkInterface::getStaticComponentName(),
"Failed to get config info for %s (as reported by '" VBOXNETADPCTL_NAME " add')\n", szBuf);
}
else
{
Bstr IfName(szBuf);
/* create a new uninitialized host interface object */
ComObjPtr<HostNetworkInterface> iface;
iface.createObject();
iface->init(IfName, HostNetworkInterfaceType_HostOnly, pInfo);
iface->setVirtualBox(pVBox);
iface.queryInterfaceTo(aHostNetworkInterface);
}
RTMemFree(pInfo);
}
}
if ((rc = pclose(fp)) != 0)
{
progress->notifyComplete(E_FAIL,
COM_IIDOF(IHostNetworkInterface),
HostNetworkInterface::getStaticComponentName(),
"Failed to execute '"VBOXNETADPCTL_NAME " add' (exit status: %d)", rc);
rc = VERR_INTERNAL_ERROR;
}
}
if (RT_SUCCESS(rc))
progress->notifyComplete(rc);
}
}
return hrc;
#else
NOREF(pVBox);
NOREF(aHostNetworkInterface);
NOREF(aProgress);
return VERR_NOT_IMPLEMENTED;
#endif
}
int NetIfRemoveHostOnlyNetworkInterface(VirtualBox *pVBox, IN_GUID aId,
IProgress **aProgress)
{
#if defined(RT_OS_LINUX) || defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)
/* create a progress object */
ComObjPtr<Progress> progress;
progress.createObject();
ComPtr<IHost> host;
int rc = VINF_SUCCESS;
HRESULT hr = pVBox->COMGETTER(Host)(host.asOutParam());
if(SUCCEEDED(hr))
{
Bstr ifname;
ComPtr<IHostNetworkInterface> iface;
if (FAILED(host->FindHostNetworkInterfaceById(Guid(aId).toUtf16().raw(), iface.asOutParam())))
return VERR_INVALID_PARAMETER;
iface->COMGETTER(Name)(ifname.asOutParam());
if (ifname.isEmpty())
return VERR_INTERNAL_ERROR;
rc = progress->init(pVBox, host,
Bstr("Removing host network interface").raw(),
FALSE /* aCancelable */);
if(SUCCEEDED(rc))
{
progress.queryInterfaceTo(aProgress);
rc = NetIfAdpCtl(Utf8Str(ifname).c_str(), "remove", NULL, NULL);
if (RT_FAILURE(rc))
progress->notifyComplete(E_FAIL,
COM_IIDOF(IHostNetworkInterface),
HostNetworkInterface::getStaticComponentName(),
"Failed to execute '"VBOXNETADPCTL_NAME "' (exit status: %d)", rc);
else
progress->notifyComplete(S_OK);
}
}
else
{
progress->notifyComplete(hr);
rc = VERR_INTERNAL_ERROR;
}
return rc;
#else
NOREF(pVBox);
NOREF(aId);
NOREF(aProgress);
return VERR_NOT_IMPLEMENTED;
#endif
}
int NetIfGetConfig(HostNetworkInterface * /* pIf */, NETIFINFO *)
{
return VERR_NOT_IMPLEMENTED;
}
int NetIfDhcpRediscover(VirtualBox * /* pVbox */, HostNetworkInterface * /* pIf */)
{
return VERR_NOT_IMPLEMENTED;
}
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