github/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/ZeroTier/ZeroTierOne synced 2025-08-21 13:54:15 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

No more tap factories.

Browse source
This commit is contained in:
Adam Ierymenko 2015-04-08 18:47:06 -07:00
commit d761330465
11 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

78
attic/BSDEthernetTapFactory.cpp Normal file
View file

@ -0,0 +1,78 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "BSDEthernetTapFactory.hpp"
#include "BSDEthernetTap.hpp"
namespace ZeroTier {
BSDEthernetTapFactory::BSDEthernetTapFactory()
{
}
BSDEthernetTapFactory::~BSDEthernetTapFactory()
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d)
delete *d;
}
EthernetTap *BSDEthernetTapFactory::open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
{
Mutex::Lock _l(_devices_m);
EthernetTap *t = new BSDEthernetTap(mac,mtu,metric,nwid,desiredDevice,friendlyName,handler,arg);
_devices.push_back(t);
return t;
}
void BSDEthernetTapFactory::close(EthernetTap *tap,bool destroyPersistentDevices)
{
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d) {
if (*d == tap) {
_devices.erase(d);
break;
}
}
}
delete tap;
}
} // namespace ZeroTier

63
attic/BSDEthernetTapFactory.hpp Normal file
View file

@ -0,0 +1,63 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef ZT_BSDETHERNETTAPFACTORY_HPP
#define ZT_BSDETHERNETTAPFACTORY_HPP
#include <vector>
#include <string>
#include "EthernetTapFactory.hpp"
#include "../node/Mutex.hpp"
namespace ZeroTier {
class BSDEthernetTapFactory : public EthernetTapFactory
{
public:
BSDEthernetTapFactory();
virtual ~BSDEthernetTapFactory();
virtual EthernetTap *open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg);
virtual void close(EthernetTap *tap,bool destroyPersistentDevices);
private:
std::vector<EthernetTap *> _devices;
Mutex _devices_m;
};
} // namespace ZeroTier
#endif

74
attic/LinuxEthernetTapFactory.cpp Normal file
View file

@ -0,0 +1,74 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include "LinuxEthernetTapFactory.hpp"
#include "LinuxEthernetTap.hpp"
namespace ZeroTier {
LinuxEthernetTapFactory::LinuxEthernetTapFactory()
{
}
LinuxEthernetTapFactory::~LinuxEthernetTapFactory()
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d)
delete *d;
}
EthernetTap *LinuxEthernetTapFactory::open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
{
Mutex::Lock _l(_devices_m);
EthernetTap *t = new LinuxEthernetTap(mac,mtu,metric,nwid,desiredDevice,friendlyName,handler,arg);
_devices.push_back(t);
return t;
}
void LinuxEthernetTapFactory::close(EthernetTap *tap,bool destroyPersistentDevices)
{
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d) {
if (*d == tap) {
_devices.erase(d);
break;
}
}
}
delete tap;
}
} // namespace ZeroTier

63
attic/LinuxEthernetTapFactory.hpp Normal file
View file

@ -0,0 +1,63 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef ZT_LINUXETHERNETTAPFACTORY_HPP
#define ZT_LINUXETHERNETTAPFACTORY_HPP
#include <vector>
#include <string>
#include "../node/EthernetTapFactory.hpp"
#include "../node/Mutex.hpp"
namespace ZeroTier {
class LinuxEthernetTapFactory : public EthernetTapFactory
{
public:
LinuxEthernetTapFactory();
virtual ~LinuxEthernetTapFactory();
virtual EthernetTap *open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg);
virtual void close(EthernetTap *tap,bool destroyPersistentDevices);
private:
std::vector<EthernetTap *> _devices;
Mutex _devices_m;
};
} // namespace ZeroTier
#endif

122
attic/OSXEthernetTapFactory.cpp Normal file
View file

@ -0,0 +1,122 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "OSXEthernetTapFactory.hpp"
#include "OSXEthernetTap.hpp"
#include "../node/Utils.hpp"
namespace ZeroTier {
OSXEthernetTapFactory::OSXEthernetTapFactory(const char *pathToTapKext,const char *tapKextName) :
_pathToTapKext((pathToTapKext) ? pathToTapKext : ""),
_tapKextName((tapKextName) ? tapKextName : "")
{
struct stat stattmp;
if ((_pathToTapKext.length())&&(_tapKextName.length())) {
if (stat("/dev/zt0",&stattmp)) {
long kextpid = (long)vfork();
if (kextpid == 0) {
::chdir(_pathToTapKext.c_str());
Utils::redirectUnixOutputs("/dev/null",(const char *)0);
::execl("/sbin/kextload","/sbin/kextload","-q","-repository",_pathToTapKext.c_str(),_tapKextName.c_str(),(const char *)0);
::_exit(-1);
} else if (kextpid > 0) {
int exitcode = -1;
::waitpid(kextpid,&exitcode,0);
} else throw std::runtime_error("unable to create subprocess with fork()");
}
}
if (stat("/dev/zt0",&stattmp)) {
::usleep(500); // give tap device driver time to start up and try again
if (stat("/dev/zt0",&stattmp))
throw std::runtime_error("/dev/zt# tap devices do not exist and unable to load kernel extension");
}
}
OSXEthernetTapFactory::~OSXEthernetTapFactory()
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d)
delete *d;
if ((_pathToTapKext.length())&&(_tapKextName.length())) {
// Attempt to unload kext. If anything else is using a /dev/zt# node, this
// fails and the kext stays in the kernel.
char tmp[16384];
sprintf(tmp,"%s/%s",_pathToTapKext.c_str(),_tapKextName.c_str());
long kextpid = (long)vfork();
if (kextpid == 0) {
Utils::redirectUnixOutputs("/dev/null",(const char *)0);
::execl("/sbin/kextunload","/sbin/kextunload",tmp,(const char *)0);
::_exit(-1);
} else if (kextpid > 0) {
int exitcode = -1;
::waitpid(kextpid,&exitcode,0);
}
}
}
EthernetTap *OSXEthernetTapFactory::open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
{
Mutex::Lock _l(_devices_m);
EthernetTap *t = new OSXEthernetTap(mac,mtu,metric,nwid,desiredDevice,friendlyName,handler,arg);
_devices.push_back(t);
return t;
}
void OSXEthernetTapFactory::close(EthernetTap *tap,bool destroyPersistentDevices)
{
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d) {
if (*d == tap) {
_devices.erase(d);
break;
}
}
}
delete tap;
}
} // namespace ZeroTier

76
attic/OSXEthernetTapFactory.hpp Normal file
View file

@ -0,0 +1,76 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef ZT_OSXETHERNETTAPFACTORY_HPP
#define ZT_OSXETHERNETTAPFACTORY_HPP
#include <vector>
#include <string>
#include "../node/EthernetTapFactory.hpp"
#include "../node/Mutex.hpp"
namespace ZeroTier {
class OSXEthernetTapFactory : public EthernetTapFactory
{
public:
/**
* Create OSX ethernet tap factory
*
* If kext paths are specified, an attempt will be made to load the kext
* on launch if not present and unload it on shutdown.
*
* @param pathToTapKext Full path to the location of the tap kext
* @param tapKextName Name of tap kext as found within tap kext path (usually "tap.kext")
* @throws std::runtime_error Tap not available and unable to load kext
*/
OSXEthernetTapFactory(const char *pathToTapKext,const char *tapKextName);
virtual ~OSXEthernetTapFactory();
virtual EthernetTap *open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg);
virtual void close(EthernetTap *tap,bool destroyPersistentDevices);
private:
std::vector<EthernetTap *> _devices;
Mutex _devices_m;
std::string _pathToTapKext;
std::string _tapKextName;
};
} // namespace ZeroTier
#endif

162
attic/WindowsEthernetTapFactory.cpp Normal file
View file

@ -0,0 +1,162 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include "WindowsEthernetTapFactory.hpp"
#include "WindowsEthernetTap.hpp"
namespace ZeroTier {
WindowsEthernetTapFactory::Env::Env()
{
#ifdef _WIN64
is64Bit = TRUE;
devcon = "\\devcon_x64.exe";
tapDriver = "\\tap-windows\\x64\\zttap200.inf";
#else
is64Bit = FALSE;
IsWow64Process(GetCurrentProcess(),&is64Bit);
devcon = ((is64Bit == TRUE) ? "\\devcon_x64.exe" : "\\devcon_x86.exe");
tapDriver = ((is64Bit == TRUE) ? "\\tap-windows\\x64\\zttap200.inf" : "\\tap-windows\\x86\\zttap200.inf");
#endif
}
const WindowsEthernetTapFactory::Env WindowsEthernetTapFactory::WINENV;
WindowsEthernetTapFactory::WindowsEthernetTapFactory(const char *pathToHelpers) :
_pathToHelpers(pathToHelpers)
{
}
WindowsEthernetTapFactory::~WindowsEthernetTapFactory()
{
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d)
delete *d;
}
EthernetTap *WindowsEthernetTapFactory::open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
{
Mutex::Lock _l(_devices_m);
EthernetTap *t = new WindowsEthernetTap(_pathToHelpers.c_str(),mac,mtu,metric,nwid,desiredDevice,friendlyName,handler,arg);
_devices.push_back(t);
return t;
}
void WindowsEthernetTapFactory::close(EthernetTap *tap,bool destroyPersistentDevices)
{
if (!tap)
return;
std::string instanceId(((WindowsEthernetTap *)tap)->instanceId());
Mutex::Lock _l(_devices_m);
for(std::vector<EthernetTap *>::iterator d(_devices.begin());d!=_devices.end();++d) {
if (*d == tap) {
_devices.erase(d);
break;
}
}
delete tap;
if (destroyPersistentDevices)
_deletePersistentTapDevice(_pathToHelpers.c_str(),instanceId.c_str());
}
void WindowsEthernetTapFactory::destroyAllPersistentTapDevices(const char *pathToHelpers)
{
char subkeyName[4096];
char subkeyClass[4096];
char data[4096];
std::set<std::string> instanceIdPathsToRemove;
{
HKEY nwAdapters;
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}",0,KEY_READ|KEY_WRITE,&nwAdapters) != ERROR_SUCCESS)
return;
for(DWORD subkeyIndex=0;;++subkeyIndex) {
DWORD type;
DWORD dataLen;
DWORD subkeyNameLen = sizeof(subkeyName);
DWORD subkeyClassLen = sizeof(subkeyClass);
FILETIME lastWriteTime;
if (RegEnumKeyExA(nwAdapters,subkeyIndex,subkeyName,&subkeyNameLen,(DWORD *)0,subkeyClass,&subkeyClassLen,&lastWriteTime) == ERROR_SUCCESS) {
type = 0;
dataLen = sizeof(data);
if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
data[dataLen] = '\0';
if (!strnicmp(data,"zttap",5)) {
std::string instanceIdPath;
type = 0;
dataLen = sizeof(data);
if (RegGetValueA(nwAdapters,subkeyName,"DeviceInstanceID",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS)
instanceIdPath.assign(data,dataLen);
if (instanceIdPath.length() != 0)
instanceIdPathsToRemove.insert(instanceIdPath);
}
}
} else break; // end of list or failure
}
RegCloseKey(nwAdapters);
}
for(std::set<std::string>::iterator iidp(instanceIdPathsToRemove.begin());iidp!=instanceIdPathsToRemove.end();++iidp)
_deletePersistentTapDevice(pathToHelpers,iidp->c_str());
}
void WindowsEthernetTapFactory::_deletePersistentTapDevice(const char *pathToHelpers,const char *instanceId)
{
HANDLE devconLog = CreateFileA((std::string(pathToHelpers) + "\\devcon.log").c_str(),GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
STARTUPINFOA startupInfo;
startupInfo.cb = sizeof(startupInfo);
if (devconLog != INVALID_HANDLE_VALUE) {
SetFilePointer(devconLog,0,0,FILE_END);
startupInfo.hStdOutput = devconLog;
startupInfo.hStdError = devconLog;
}
PROCESS_INFORMATION processInfo;
memset(&startupInfo,0,sizeof(STARTUPINFOA));
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
if (CreateProcessA(NULL,(LPSTR)(std::string("\"") + pathToHelpers + WINENV.devcon + "\" remove @" + instanceId).c_str(),NULL,NULL,FALSE,0,NULL,NULL,&startupInfo,&processInfo)) {
WaitForSingleObject(processInfo.hProcess,INFINITE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
if (devconLog != INVALID_HANDLE_VALUE)
CloseHandle(devconLog);
}
} // namespace ZeroTier

90
attic/WindowsEthernetTapFactory.hpp Normal file
View file

@ -0,0 +1,90 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef ZT_WINDOWSETHERNETTAPFACTORY_HPP
#define ZT_WINDOWSETHERNETTAPFACTORY_HPP
#include <vector>
#include <string>
#include "../node/EthernetTapFactory.hpp"
#include "../node/Mutex.hpp"
namespace ZeroTier {
class WindowsEthernetTapFactory : public EthernetTapFactory
{
public:
class Env
{
public:
Env();
BOOL is64Bit; // true if WIN64 or WoW64 (32-bit binary on 64-bit architecture)
const char *devcon; // name of devcon binary in pathToHelpers to use
const char *tapDriver; // relative path to driver under pathToHelpers to use
};
/**
* Constants related to Windows environment, computed on program start
*/
static const Env WINENV;
/**
* @param pathToHelpers Path to devcon32.exe, devcon64.exe, and other required helper binaries (ZeroTier running directory)
*/
WindowsEthernetTapFactory(const char *pathToHelpers);
virtual ~WindowsEthernetTapFactory();
virtual EthernetTap *open(
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *desiredDevice,
const char *friendlyName,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg);
virtual void close(EthernetTap *tap,bool destroyPersistentDevices);
/**
* Uninstalls all persistent tap devices in the system belonging to ZeroTier
*
* This is for uninstallation. Do not call this while tap devices are active.
*/
static void destroyAllPersistentTapDevices(const char *pathToHelpers);
private:
static void _deletePersistentTapDevice(const char *pathToHelpers,const char *instanceId);
std::string _pathToHelpers;
std::vector<EthernetTap *> _devices;
Mutex _devices_m;
};
} // namespace ZeroTier
#endif