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165 lines
4.4 KiB
165 lines
4.4 KiB
/* This Source Code Form is subject to the terms of the Mozilla Public |
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* License, v. 2.0. If a copy of the MPL was not distributed with this |
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. |
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* |
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* (c) ZeroTier, Inc. |
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* https://www.zerotier.com/ |
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*/ |
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#include "EthernetTap.hpp" |
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#include "OSUtils.hpp" |
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#include <stdlib.h> |
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#include <string.h> |
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#ifdef ZT_SDK |
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#include "../include/VirtualTap.hpp" |
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#include "../node/Node.hpp" |
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#include "../nonfree/controller/EmbeddedNetworkController.hpp" |
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#else |
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#ifdef __APPLE__ |
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#include "MacEthernetTap.hpp" |
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#include "MacKextEthernetTap.hpp" |
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#include <sys/sysctl.h> |
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#endif // __APPLE__ |
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#ifdef __LINUX__ |
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#include "ExtOsdep.hpp" |
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#include "LinuxEthernetTap.hpp" |
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#endif // __LINUX__ |
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#ifdef __WINDOWS__ |
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#include "WindowsEthernetTap.hpp" |
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#endif // __WINDOWS__ |
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#ifdef __FreeBSD__ |
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#include "BSDEthernetTap.hpp" |
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#endif // __FreeBSD__ |
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#ifdef __NetBSD__ |
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#include "NetBSDEthernetTap.hpp" |
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#endif // __NetBSD__ |
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#ifdef __OpenBSD__ |
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#include "BSDEthernetTap.hpp" |
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#endif // __OpenBSD__ |
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#endif |
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namespace ZeroTier { |
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std::shared_ptr<EthernetTap> EthernetTap::newInstance( |
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const char* tapDeviceType, // OS-specific, NULL for default |
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unsigned int concurrency, |
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bool pinning, |
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const char* homePath, |
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const MAC& mac, |
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unsigned int mtu, |
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unsigned int metric, |
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uint64_t nwid, |
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const char* friendlyName, |
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void (*handler)(void*, void*, uint64_t, const MAC&, const MAC&, unsigned int, unsigned int, const void*, unsigned int), |
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void* arg) |
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{ |
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#ifdef ZT_SDK |
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return std::shared_ptr<EthernetTap>(new VirtualTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#else // not ZT_SDK |
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#ifdef __APPLE__ |
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char osrelease[256]; |
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size_t size = sizeof(osrelease); |
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if (sysctlbyname("kern.osrelease", osrelease, &size, nullptr, 0) == 0) { |
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char* dotAt = strchr(osrelease, '.'); |
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if (dotAt) { |
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*dotAt = (char)0; |
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// The "feth" virtual Ethernet device type appeared in Darwin 17.x.x. Older versions |
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// (Sierra and earlier) must use the a kernel extension. |
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if (strtol(osrelease, (char**)0, 10) < 17) { |
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return std::shared_ptr<EthernetTap>(new MacKextEthernetTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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} |
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else { |
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return std::shared_ptr<EthernetTap>(new MacEthernetTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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} |
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} |
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} |
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#endif // __APPLE__ |
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#ifdef __LINUX__ |
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#ifdef ZT_EXTOSDEP |
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return std::shared_ptr<EthernetTap>(new ExtOsdepTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#else |
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return std::shared_ptr<EthernetTap>(new LinuxEthernetTap(homePath, concurrency, pinning, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#endif // ZT_EXTOSDEP |
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#endif // __LINUX__ |
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#ifdef __WINDOWS__ |
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HRESULT hres = CoInitializeEx(0, COINIT_MULTITHREADED); |
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if (FAILED(hres)) { |
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throw std::runtime_error("WinEthernetTap: COM initialization failed"); |
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} |
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static bool _comInit = false; |
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static Mutex _comInit_m; |
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{ |
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Mutex::Lock l(_comInit_m); |
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if (! _comInit) { |
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hres = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_PKT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL); |
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if (FAILED(hres)) { |
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CoUninitialize(); |
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fprintf(stderr, "WinEthernetTap: Failed to initialize security"); |
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throw std::runtime_error("WinEthernetTap: Failed to initialize security"); |
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} |
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_comInit = true; |
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} |
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} |
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return std::shared_ptr<EthernetTap>(new WindowsEthernetTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#endif // __WINDOWS__ |
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#ifdef __FreeBSD__ |
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return std::shared_ptr<EthernetTap>(new BSDEthernetTap(homePath, concurrency, pinning, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#endif // __FreeBSD__ |
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#ifdef __NetBSD__ |
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return std::shared_ptr<EthernetTap>(new NetBSDEthernetTap(homePath, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#endif // __NetBSD__ |
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#ifdef __OpenBSD__ |
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return std::shared_ptr<EthernetTap>(new BSDEthernetTap(homePath, concurrency, pinning, mac, mtu, metric, nwid, friendlyName, handler, arg)); |
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#endif // __OpenBSD__ |
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#endif // ZT_SDK? |
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return std::shared_ptr<EthernetTap>(); |
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} |
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EthernetTap::EthernetTap() |
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{ |
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} |
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EthernetTap::~EthernetTap() |
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{ |
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} |
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bool EthernetTap::addIps(std::vector<InetAddress> ips) |
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{ |
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for (std::vector<InetAddress>::const_iterator i(ips.begin()); i != ips.end(); ++i) { |
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if (! addIp(*i)) |
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return false; |
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} |
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return true; |
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} |
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std::string EthernetTap::friendlyName() const |
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{ |
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// Most platforms do not have this. |
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return std::string(); |
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} |
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} // namespace ZeroTier
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