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/* $Id: VBoxNetFltInstall.cpp $ */
/** @file
* NetFltInstall - VBoxNetFlt installer command line tool
*/
/*
* Copyright (C) 2008-2023 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>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <VBox/VBoxNetCfg-win.h>
#include <devguid.h>
#include <stdio.h>
#include <iprt/initterm.h>
#include <iprt/message.h>
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define NETFLT_ID L"sun_VBoxNetFlt"
#define VBOX_NETCFG_APP_NAME L"NetFltInstall"
#define VBOX_NETFLT_PT_INF L".\\VBoxNetFlt.inf"
#define VBOX_NETFLT_MP_INF L".\\VBoxNetFltM.inf"
#define VBOX_NETFLT_RETRIES 10
static DECLCALLBACK(void) winNetCfgLogger(const char *pszString)
{
printf("%s", pszString);
}
/** Wrapper around GetfullPathNameW that will try an alternative INF location.
*
* The default location is the current directory. If not found there, the
* alternative location is the executable directory. If not found there either,
* the first alternative is present to the caller.
*/
static DWORD MyGetfullPathNameW(LPCWSTR pwszName, size_t cchFull, LPWSTR pwszFull)
{
LPWSTR pwszFilePart;
DWORD dwSize = GetFullPathNameW(pwszName, (DWORD)cchFull, pwszFull, &pwszFilePart);
if (dwSize <= 0)
return dwSize;
/* if it doesn't exist, see if the file exists in the same directory as the executable. */
if (GetFileAttributesW(pwszFull) == INVALID_FILE_ATTRIBUTES)
{
WCHAR wsz[512];
DWORD cch = GetModuleFileNameW(GetModuleHandle(NULL), &wsz[0], RT_ELEMENTS(wsz));
if (cch > 0)
{
while (cch > 0 && wsz[cch - 1] != '/' && wsz[cch - 1] != '\\' && wsz[cch - 1] != ':')
cch--;
unsigned i = 0;
while (cch < RT_ELEMENTS(wsz))
{
wsz[cch] = pwszFilePart[i++];
if (!wsz[cch])
{
dwSize = GetFullPathNameW(wsz, (DWORD)cchFull, pwszFull, NULL);
if (dwSize > 0 && GetFileAttributesW(pwszFull) != INVALID_FILE_ATTRIBUTES)
return dwSize;
break;
}
cch++;
}
}
}
/* fallback */
return GetFullPathNameW(pwszName, (DWORD)cchFull, pwszFull, NULL);
}
static int VBoxNetFltInstall()
{
WCHAR wszPtInf[MAX_PATH];
WCHAR wszMpInf[MAX_PATH];
INetCfg *pnc;
int rcExit = RTEXITCODE_FAILURE;
VBoxNetCfgWinSetLogging(winNetCfgLogger);
HRESULT hr = CoInitialize(NULL);
if (hr == S_OK)
{
for (int i = 0;; i++)
{
LPWSTR pwszLockedBy = NULL;
hr = VBoxNetCfgWinQueryINetCfg(&pnc, TRUE, VBOX_NETCFG_APP_NAME, 10000, &pwszLockedBy);
if (hr == S_OK)
{
DWORD dwSize;
dwSize = MyGetfullPathNameW(VBOX_NETFLT_PT_INF, RT_ELEMENTS(wszPtInf), wszPtInf);
if (dwSize > 0)
{
/** @todo add size check for (RT_ELEMENTS(wszPtInf) == dwSize (string length in WCHARs) */
dwSize = MyGetfullPathNameW(VBOX_NETFLT_MP_INF, RT_ELEMENTS(wszMpInf), wszMpInf);
if (dwSize > 0)
{
/** @todo add size check for (RT_ELEMENTS(wszMpInf) == dwSize (string length in WHCARs) */
LPCWSTR apwszInfs[] = { wszPtInf, wszMpInf };
hr = VBoxNetCfgWinNetFltInstall(pnc, apwszInfs, 2);
if (hr == S_OK)
{
wprintf(L"installed successfully\n");
rcExit = RTEXITCODE_SUCCESS;
}
else
wprintf(L"error installing VBoxNetFlt (%#lx)\n", hr);
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
wprintf(L"error getting full inf path for VBoxNetFltM.inf (%#lx)\n", hr);
}
}
else
{
hr = HRESULT_FROM_WIN32(GetLastError());
wprintf(L"error getting full inf path for VBoxNetFlt.inf (%#lx)\n", hr);
}
VBoxNetCfgWinReleaseINetCfg(pnc, TRUE);
break;
}
if (hr == NETCFG_E_NO_WRITE_LOCK && pwszLockedBy)
{
if (i < VBOX_NETFLT_RETRIES && !wcscmp(pwszLockedBy, L"6to4svc.dll"))
{
wprintf(L"6to4svc.dll is holding the lock, retrying %d out of %d\n", i + 1, VBOX_NETFLT_RETRIES);
CoTaskMemFree(pwszLockedBy);
}
else
{
wprintf(L"Error: write lock is owned by another application (%s), close the application and retry installing\n", pwszLockedBy);
CoTaskMemFree(pwszLockedBy);
break;
}
}
else
{
wprintf(L"Error getting the INetCfg interface (%#lx)\n", hr);
break;
}
}
CoUninitialize();
}
else
wprintf(L"Error initializing COM (%#lx)\n", hr);
VBoxNetCfgWinSetLogging(NULL);
return rcExit;
}
int __cdecl main(int argc, char **argv)
{
RTR3InitExeNoArguments(0);
if (argc != 1)
return RTMsgErrorExit(RTEXITCODE_SYNTAX, "This utility takes no arguments\n");
NOREF(argv);
return VBoxNetFltInstall();
}
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