mirror of
https://github.com/ZeroTier/ZeroTierOne
synced 2025-08-20 05:13:58 -07:00
clang-format this branch
This commit is contained in:
Adam Ierymenko
parent
8b77ef538a
commit
342fa9d33f
135 changed files with 42729 additions and 42439 deletions
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@ -64,360 +64,360 @@ static bool globalTapInitialized = false;
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static bool fethMaxMtuAdjusted = false;
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MacEthernetTap::MacEthernetTap(
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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* data, unsigned int len),
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void* arg)
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: _handler(handler)
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, _arg(arg)
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, _nwid(nwid)
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, _homePath(homePath)
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, _mtu(mtu)
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, _metric(metric)
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, _devNo(0)
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, _agentStdin(-1)
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, _agentStdout(-1)
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, _agentStderr(-1)
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, _agentStdin2(-1)
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, _agentStdout2(-1)
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, _agentStderr2(-1)
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, _agentPid(-1)
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, _enabled(true)
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, _lastIfAddrsUpdate(0)
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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* data, unsigned int len),
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void* arg)
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: _handler(handler)
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, _arg(arg)
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, _nwid(nwid)
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, _homePath(homePath)
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, _mtu(mtu)
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, _metric(metric)
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, _devNo(0)
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, _agentStdin(-1)
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, _agentStdout(-1)
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, _agentStderr(-1)
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, _agentStdin2(-1)
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, _agentStdout2(-1)
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, _agentStderr2(-1)
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, _agentPid(-1)
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, _enabled(true)
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, _lastIfAddrsUpdate(0)
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{
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char ethaddr[64], mtustr[16], devnostr[16], devstr[16], metricstr[16];
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OSUtils::ztsnprintf(ethaddr, sizeof(ethaddr), "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x", (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3], (int)mac[4], (int)mac[5]);
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OSUtils::ztsnprintf(mtustr, sizeof(mtustr), "%u", mtu);
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OSUtils::ztsnprintf(metricstr, sizeof(metricstr), "%u", metric);
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char ethaddr[64], mtustr[16], devnostr[16], devstr[16], metricstr[16];
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OSUtils::ztsnprintf(ethaddr, sizeof(ethaddr), "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x", (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3], (int)mac[4], (int)mac[5]);
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OSUtils::ztsnprintf(mtustr, sizeof(mtustr), "%u", mtu);
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OSUtils::ztsnprintf(metricstr, sizeof(metricstr), "%u", metric);
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std::string agentPath(homePath);
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agentPath.push_back(ZT_PATH_SEPARATOR);
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agentPath.append("MacEthernetTapAgent");
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if (! OSUtils::fileExists(agentPath.c_str()))
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throw std::runtime_error("MacEthernetTapAgent not present in ZeroTier home");
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std::string agentPath(homePath);
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agentPath.push_back(ZT_PATH_SEPARATOR);
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agentPath.append("MacEthernetTapAgent");
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if (! OSUtils::fileExists(agentPath.c_str()))
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throw std::runtime_error("MacEthernetTapAgent not present in ZeroTier home");
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Mutex::Lock _gl(globalTapCreateLock); // only make one at a time
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Mutex::Lock _gl(globalTapCreateLock); // only make one at a time
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if (! fethMaxMtuAdjusted) {
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fethMaxMtuAdjusted = true;
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int old_mtu = 0;
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size_t old_mtu_len = sizeof(old_mtu);
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int mtu = 10000;
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sysctlbyname(MACOS_FETH_MAX_MTU_SYSCTL, &old_mtu, &old_mtu_len, &mtu, sizeof(mtu));
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}
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if (! fethMaxMtuAdjusted) {
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fethMaxMtuAdjusted = true;
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int old_mtu = 0;
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size_t old_mtu_len = sizeof(old_mtu);
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int mtu = 10000;
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sysctlbyname(MACOS_FETH_MAX_MTU_SYSCTL, &old_mtu, &old_mtu_len, &mtu, sizeof(mtu));
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}
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// Destroy all feth devices on first tap start in case ZeroTier did not exit cleanly last time.
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// We leave interfaces less than feth100 alone in case something else is messing with feth devices.
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if (! globalTapInitialized) {
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globalTapInitialized = true;
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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std::set<std::string> deleted;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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int nameLen = (int)strlen(p->ifa_name);
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// Delete feth# from feth0 to feth9999, but don't touch >10000.
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if ((! strncmp(p->ifa_name, "feth", 4)) && (nameLen >= 5) && (nameLen <= 8) && (deleted.count(std::string(p->ifa_name)) == 0)) {
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deleted.insert(std::string(p->ifa_name));
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const char* args[4];
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args[0] = "/sbin/ifconfig";
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args[1] = p->ifa_name;
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args[2] = "destroy";
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args[3] = (char*)0;
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const pid_t pid = vfork();
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if (pid == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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else if (pid > 0) {
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int rv = 0;
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waitpid(pid, &rv, 0);
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}
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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}
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// Destroy all feth devices on first tap start in case ZeroTier did not exit cleanly last time.
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// We leave interfaces less than feth100 alone in case something else is messing with feth devices.
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if (! globalTapInitialized) {
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globalTapInitialized = true;
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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std::set<std::string> deleted;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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int nameLen = (int)strlen(p->ifa_name);
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// Delete feth# from feth0 to feth9999, but don't touch >10000.
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if ((! strncmp(p->ifa_name, "feth", 4)) && (nameLen >= 5) && (nameLen <= 8) && (deleted.count(std::string(p->ifa_name)) == 0)) {
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deleted.insert(std::string(p->ifa_name));
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const char* args[4];
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args[0] = "/sbin/ifconfig";
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args[1] = p->ifa_name;
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args[2] = "destroy";
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args[3] = (char*)0;
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const pid_t pid = vfork();
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if (pid == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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else if (pid > 0) {
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int rv = 0;
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waitpid(pid, &rv, 0);
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}
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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}
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unsigned int devNo = 100 + ((nwid ^ (nwid >> 32) ^ (nwid >> 48)) % 4900);
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for (;;) {
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OSUtils::ztsnprintf(devnostr, sizeof(devnostr), "%u", devNo);
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OSUtils::ztsnprintf(devstr, sizeof(devstr), "feth%u", devNo);
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bool duplicate = false;
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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if (! strcmp(p->ifa_name, devstr)) {
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duplicate = true;
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break;
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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if (duplicate) {
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devNo = (devNo + 1) % 5000;
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if (devNo < 100)
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devNo = 100;
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}
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else {
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_dev = devstr;
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_devNo = devNo;
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break;
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}
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}
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unsigned int devNo = 100 + ((nwid ^ (nwid >> 32) ^ (nwid >> 48)) % 4900);
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for (;;) {
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OSUtils::ztsnprintf(devnostr, sizeof(devnostr), "%u", devNo);
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OSUtils::ztsnprintf(devstr, sizeof(devstr), "feth%u", devNo);
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bool duplicate = false;
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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if (! strcmp(p->ifa_name, devstr)) {
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duplicate = true;
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break;
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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if (duplicate) {
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devNo = (devNo + 1) % 5000;
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if (devNo < 100)
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devNo = 100;
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}
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else {
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_dev = devstr;
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_devNo = devNo;
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break;
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}
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}
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if (::pipe(_shutdownSignalPipe))
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throw std::runtime_error("pipe creation failed");
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if (::pipe(_shutdownSignalPipe))
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throw std::runtime_error("pipe creation failed");
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int agentStdin[2];
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int agentStdout[2];
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int agentStderr[2];
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if (::pipe(agentStdin))
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throw std::runtime_error("pipe creation failed");
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if (::pipe(agentStdout))
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throw std::runtime_error("pipe creation failed");
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if (::pipe(agentStderr))
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throw std::runtime_error("pipe creation failed");
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_agentStdin = agentStdin[1];
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_agentStdout = agentStdout[0];
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_agentStderr = agentStderr[0];
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_agentStdin2 = agentStdin[0];
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_agentStdout2 = agentStdout[1];
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_agentStderr2 = agentStderr[1];
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long apid = (long)fork();
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if (apid < 0) {
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throw std::runtime_error("fork failed");
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}
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else if (apid == 0) {
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::dup2(agentStdin[0], STDIN_FILENO);
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::dup2(agentStdout[1], STDOUT_FILENO);
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::dup2(agentStderr[1], STDERR_FILENO);
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::close(agentStdin[0]);
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::close(agentStdin[1]);
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::close(agentStdout[0]);
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::close(agentStdout[1]);
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::close(agentStderr[0]);
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::close(agentStderr[1]);
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::execl(agentPath.c_str(), agentPath.c_str(), devnostr, ethaddr, mtustr, metricstr, (char*)0);
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::_exit(-1);
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}
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else {
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_agentPid = apid;
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int agentStdin[2];
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int agentStdout[2];
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int agentStderr[2];
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if (::pipe(agentStdin))
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throw std::runtime_error("pipe creation failed");
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if (::pipe(agentStdout))
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throw std::runtime_error("pipe creation failed");
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if (::pipe(agentStderr))
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throw std::runtime_error("pipe creation failed");
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_agentStdin = agentStdin[1];
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_agentStdout = agentStdout[0];
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_agentStderr = agentStderr[0];
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_agentStdin2 = agentStdin[0];
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_agentStdout2 = agentStdout[1];
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_agentStderr2 = agentStderr[1];
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long apid = (long)fork();
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if (apid < 0) {
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throw std::runtime_error("fork failed");
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}
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else if (apid == 0) {
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::dup2(agentStdin[0], STDIN_FILENO);
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::dup2(agentStdout[1], STDOUT_FILENO);
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::dup2(agentStderr[1], STDERR_FILENO);
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::close(agentStdin[0]);
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::close(agentStdin[1]);
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::close(agentStdout[0]);
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::close(agentStdout[1]);
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::close(agentStderr[0]);
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::close(agentStderr[1]);
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::execl(agentPath.c_str(), agentPath.c_str(), devnostr, ethaddr, mtustr, metricstr, (char*)0);
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::_exit(-1);
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}
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else {
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_agentPid = apid;
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// Wait up to 10 seconds for the subprocess to actually create the device. This prevents
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// things like routes from being created before the device exists.
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for (int waitLoops = 0;; ++waitLoops) {
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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if ((p->ifa_name) && (! strcmp(devstr, p->ifa_name))) {
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waitLoops = -1;
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break;
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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if (waitLoops == -1) {
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break;
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}
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else if (waitLoops >= 100) { // 10 seconds
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throw std::runtime_error("feth device creation timed out");
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}
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Thread::sleep(100);
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}
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}
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// Wait up to 10 seconds for the subprocess to actually create the device. This prevents
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// things like routes from being created before the device exists.
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for (int waitLoops = 0;; ++waitLoops) {
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struct ifaddrs* ifa = (struct ifaddrs*)0;
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if (! getifaddrs(&ifa)) {
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struct ifaddrs* p = ifa;
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while (p) {
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if ((p->ifa_name) && (! strcmp(devstr, p->ifa_name))) {
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waitLoops = -1;
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break;
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}
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p = p->ifa_next;
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}
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freeifaddrs(ifa);
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}
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if (waitLoops == -1) {
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break;
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}
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else if (waitLoops >= 100) { // 10 seconds
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throw std::runtime_error("feth device creation timed out");
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}
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Thread::sleep(100);
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}
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}
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_thread = Thread::start(this);
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_thread = Thread::start(this);
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}
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MacEthernetTap::~MacEthernetTap()
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{
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char tmp[64];
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const char* args[4];
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pid_t pid0, pid1;
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char tmp[64];
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const char* args[4];
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pid_t pid0, pid1;
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MacDNSHelper::removeDNS(_nwid);
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MacDNSHelper::removeIps4(_nwid);
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MacDNSHelper::removeIps6(_nwid);
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MacDNSHelper::removeDNS(_nwid);
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MacDNSHelper::removeIps4(_nwid);
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MacDNSHelper::removeIps6(_nwid);
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Mutex::Lock _gl(globalTapCreateLock);
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::write(_shutdownSignalPipe[1], "\0", 1); // causes thread to exit
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Mutex::Lock _gl(globalTapCreateLock);
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::write(_shutdownSignalPipe[1], "\0", 1); // causes thread to exit
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int ec = 0;
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::kill(_agentPid, SIGKILL);
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::waitpid(_agentPid, &ec, 0);
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int ec = 0;
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::kill(_agentPid, SIGKILL);
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::waitpid(_agentPid, &ec, 0);
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args[0] = "/sbin/ifconfig";
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args[1] = _dev.c_str();
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args[2] = "destroy";
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args[3] = (char*)0;
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pid0 = vfork();
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if (pid0 == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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args[0] = "/sbin/ifconfig";
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args[1] = _dev.c_str();
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args[2] = "destroy";
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args[3] = (char*)0;
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pid0 = vfork();
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if (pid0 == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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snprintf(tmp, sizeof(tmp), "feth%u", _devNo + 5000);
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// args[0] = "/sbin/ifconfig";
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args[1] = tmp;
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// args[2] = "destroy";
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// args[3] = (char *)0;
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pid1 = vfork();
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if (pid1 == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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snprintf(tmp, sizeof(tmp), "feth%u", _devNo + 5000);
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// args[0] = "/sbin/ifconfig";
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args[1] = tmp;
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// args[2] = "destroy";
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// args[3] = (char *)0;
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pid1 = vfork();
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if (pid1 == 0) {
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execv(args[0], const_cast<char**>(args));
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_exit(-1);
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}
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if (pid0 > 0) {
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int rv = 0;
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waitpid(pid0, &rv, 0);
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}
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if (pid1 > 0) {
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int rv = 0;
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waitpid(pid1, &rv, 0);
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}
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if (pid0 > 0) {
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int rv = 0;
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waitpid(pid0, &rv, 0);
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}
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if (pid1 > 0) {
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int rv = 0;
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waitpid(pid1, &rv, 0);
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}
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Thread::join(_thread);
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Thread::join(_thread);
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}
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void MacEthernetTap::setEnabled(bool en)
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{
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_enabled = en;
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_enabled = en;
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}
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bool MacEthernetTap::enabled() const
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{
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return _enabled;
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return _enabled;
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}
|
||||
|
||||
bool MacEthernetTap::addIp(const InetAddress& ip)
|
||||
{
|
||||
char tmp[128];
|
||||
char tmp[128];
|
||||
|
||||
if (! ip)
|
||||
return false;
|
||||
if (! ip)
|
||||
return false;
|
||||
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append((ip.ss_family == AF_INET6) ? "inet6" : "inet");
|
||||
cmd.push_back(0);
|
||||
cmd.append(ip.toString(tmp));
|
||||
cmd.push_back(0);
|
||||
cmd.append("alias");
|
||||
cmd.push_back(0);
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append((ip.ss_family == AF_INET6) ? "inet6" : "inet");
|
||||
cmd.push_back(0);
|
||||
cmd.append(ip.toString(tmp));
|
||||
cmd.push_back(0);
|
||||
cmd.append("alias");
|
||||
cmd.push_back(0);
|
||||
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
|
||||
return true;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool MacEthernetTap::removeIp(const InetAddress& ip)
|
||||
{
|
||||
char tmp[128];
|
||||
char tmp[128];
|
||||
|
||||
if (! ip)
|
||||
return false;
|
||||
if (! ip)
|
||||
return false;
|
||||
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append((ip.ss_family == AF_INET6) ? "inet6" : "inet");
|
||||
cmd.push_back(0);
|
||||
cmd.append(ip.toString(tmp));
|
||||
cmd.push_back(0);
|
||||
cmd.append("-alias");
|
||||
cmd.push_back(0);
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append((ip.ss_family == AF_INET6) ? "inet6" : "inet");
|
||||
cmd.push_back(0);
|
||||
cmd.append(ip.toString(tmp));
|
||||
cmd.push_back(0);
|
||||
cmd.append("-alias");
|
||||
cmd.push_back(0);
|
||||
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
|
||||
return true;
|
||||
return true;
|
||||
}
|
||||
|
||||
std::vector<InetAddress> MacEthernetTap::ips() const
|
||||
{
|
||||
uint64_t now = OSUtils::now();
|
||||
uint64_t now = OSUtils::now();
|
||||
|
||||
if ((now - _lastIfAddrsUpdate) <= GETIFADDRS_CACHE_TIME) {
|
||||
return _ifaddrs;
|
||||
}
|
||||
_lastIfAddrsUpdate = now;
|
||||
if ((now - _lastIfAddrsUpdate) <= GETIFADDRS_CACHE_TIME) {
|
||||
return _ifaddrs;
|
||||
}
|
||||
_lastIfAddrsUpdate = now;
|
||||
|
||||
struct ifaddrs* ifa = (struct ifaddrs*)0;
|
||||
std::vector<InetAddress> r;
|
||||
struct ifaddrs* ifa = (struct ifaddrs*)0;
|
||||
std::vector<InetAddress> r;
|
||||
|
||||
if (! getifaddrs(&ifa)) {
|
||||
struct ifaddrs* p = ifa;
|
||||
while (p) {
|
||||
if ((p->ifa_name) && (! strcmp(p->ifa_name, _dev.c_str())) && (p->ifa_addr)) {
|
||||
switch (p->ifa_addr->sa_family) {
|
||||
case AF_INET: {
|
||||
struct sockaddr_in* sin = (struct sockaddr_in*)p->ifa_addr;
|
||||
struct sockaddr_in* nm = (struct sockaddr_in*)p->ifa_netmask;
|
||||
r.push_back(InetAddress(&(sin->sin_addr.s_addr), 4, Utils::countBits((uint32_t)nm->sin_addr.s_addr)));
|
||||
} break;
|
||||
case AF_INET6: {
|
||||
struct sockaddr_in6* sin = (struct sockaddr_in6*)p->ifa_addr;
|
||||
struct sockaddr_in6* nm = (struct sockaddr_in6*)p->ifa_netmask;
|
||||
uint32_t b[4];
|
||||
memcpy(b, nm->sin6_addr.s6_addr, sizeof(b));
|
||||
r.push_back(InetAddress(sin->sin6_addr.s6_addr, 16, Utils::countBits(b[0]) + Utils::countBits(b[1]) + Utils::countBits(b[2]) + Utils::countBits(b[3])));
|
||||
} break;
|
||||
}
|
||||
}
|
||||
p = p->ifa_next;
|
||||
}
|
||||
freeifaddrs(ifa);
|
||||
}
|
||||
std::sort(r.begin(), r.end());
|
||||
r.erase(std::unique(r.begin(), r.end()), r.end());
|
||||
if (! getifaddrs(&ifa)) {
|
||||
struct ifaddrs* p = ifa;
|
||||
while (p) {
|
||||
if ((p->ifa_name) && (! strcmp(p->ifa_name, _dev.c_str())) && (p->ifa_addr)) {
|
||||
switch (p->ifa_addr->sa_family) {
|
||||
case AF_INET: {
|
||||
struct sockaddr_in* sin = (struct sockaddr_in*)p->ifa_addr;
|
||||
struct sockaddr_in* nm = (struct sockaddr_in*)p->ifa_netmask;
|
||||
r.push_back(InetAddress(&(sin->sin_addr.s_addr), 4, Utils::countBits((uint32_t)nm->sin_addr.s_addr)));
|
||||
} break;
|
||||
case AF_INET6: {
|
||||
struct sockaddr_in6* sin = (struct sockaddr_in6*)p->ifa_addr;
|
||||
struct sockaddr_in6* nm = (struct sockaddr_in6*)p->ifa_netmask;
|
||||
uint32_t b[4];
|
||||
memcpy(b, nm->sin6_addr.s6_addr, sizeof(b));
|
||||
r.push_back(InetAddress(sin->sin6_addr.s6_addr, 16, Utils::countBits(b[0]) + Utils::countBits(b[1]) + Utils::countBits(b[2]) + Utils::countBits(b[3])));
|
||||
} break;
|
||||
}
|
||||
}
|
||||
p = p->ifa_next;
|
||||
}
|
||||
freeifaddrs(ifa);
|
||||
}
|
||||
std::sort(r.begin(), r.end());
|
||||
r.erase(std::unique(r.begin(), r.end()), r.end());
|
||||
|
||||
_ifaddrs = r;
|
||||
_ifaddrs = r;
|
||||
|
||||
return r;
|
||||
return r;
|
||||
}
|
||||
|
||||
void MacEthernetTap::put(const MAC& from, const MAC& to, unsigned int etherType, const void* data, unsigned int len)
|
||||
{
|
||||
struct iovec iov[3];
|
||||
unsigned char hdr[15];
|
||||
uint16_t l;
|
||||
if ((_agentStdin > 0) && (len <= _mtu) && (_enabled)) {
|
||||
hdr[0] = ZT_MACETHERNETTAPAGENT_STDIN_CMD_PACKET;
|
||||
to.copyTo(hdr + 1, 6);
|
||||
from.copyTo(hdr + 7, 6);
|
||||
hdr[13] = (unsigned char)((etherType >> 8) & 0xff);
|
||||
hdr[14] = (unsigned char)(etherType & 0xff);
|
||||
l = (uint16_t)(len + 15);
|
||||
iov[0].iov_base = &l;
|
||||
iov[0].iov_len = 2;
|
||||
iov[1].iov_base = hdr;
|
||||
iov[1].iov_len = 15;
|
||||
iov[2].iov_base = const_cast<void*>(data);
|
||||
iov[2].iov_len = len;
|
||||
_putLock.lock();
|
||||
writev(_agentStdin, iov, 3);
|
||||
_putLock.unlock();
|
||||
}
|
||||
struct iovec iov[3];
|
||||
unsigned char hdr[15];
|
||||
uint16_t l;
|
||||
if ((_agentStdin > 0) && (len <= _mtu) && (_enabled)) {
|
||||
hdr[0] = ZT_MACETHERNETTAPAGENT_STDIN_CMD_PACKET;
|
||||
to.copyTo(hdr + 1, 6);
|
||||
from.copyTo(hdr + 7, 6);
|
||||
hdr[13] = (unsigned char)((etherType >> 8) & 0xff);
|
||||
hdr[14] = (unsigned char)(etherType & 0xff);
|
||||
l = (uint16_t)(len + 15);
|
||||
iov[0].iov_base = &l;
|
||||
iov[0].iov_len = 2;
|
||||
iov[1].iov_base = hdr;
|
||||
iov[1].iov_len = 15;
|
||||
iov[2].iov_base = const_cast<void*>(data);
|
||||
iov[2].iov_len = len;
|
||||
_putLock.lock();
|
||||
writev(_agentStdin, iov, 3);
|
||||
_putLock.unlock();
|
||||
}
|
||||
}
|
||||
|
||||
std::string MacEthernetTap::deviceName() const
|
||||
{
|
||||
return _dev;
|
||||
return _dev;
|
||||
}
|
||||
void MacEthernetTap::setFriendlyName(const char* friendlyName)
|
||||
{
|
||||
|
|
@ -425,143 +425,143 @@ void MacEthernetTap::setFriendlyName(const char* friendlyName)
|
|||
|
||||
void MacEthernetTap::scanMulticastGroups(std::vector<MulticastGroup>& added, std::vector<MulticastGroup>& removed)
|
||||
{
|
||||
std::vector<MulticastGroup> newGroups;
|
||||
std::vector<MulticastGroup> newGroups;
|
||||
|
||||
struct ifmaddrs* ifmap = (struct ifmaddrs*)0;
|
||||
if (! getifmaddrs(&ifmap)) {
|
||||
struct ifmaddrs* p = ifmap;
|
||||
while (p) {
|
||||
if (p->ifma_addr->sa_family == AF_LINK) {
|
||||
struct sockaddr_dl* in = (struct sockaddr_dl*)p->ifma_name;
|
||||
struct sockaddr_dl* la = (struct sockaddr_dl*)p->ifma_addr;
|
||||
if ((la->sdl_alen == 6) && (in->sdl_nlen <= _dev.length()) && (! memcmp(_dev.data(), in->sdl_data, in->sdl_nlen)))
|
||||
newGroups.push_back(MulticastGroup(MAC(la->sdl_data + la->sdl_nlen, 6), 0));
|
||||
}
|
||||
p = p->ifma_next;
|
||||
}
|
||||
freeifmaddrs(ifmap);
|
||||
}
|
||||
struct ifmaddrs* ifmap = (struct ifmaddrs*)0;
|
||||
if (! getifmaddrs(&ifmap)) {
|
||||
struct ifmaddrs* p = ifmap;
|
||||
while (p) {
|
||||
if (p->ifma_addr->sa_family == AF_LINK) {
|
||||
struct sockaddr_dl* in = (struct sockaddr_dl*)p->ifma_name;
|
||||
struct sockaddr_dl* la = (struct sockaddr_dl*)p->ifma_addr;
|
||||
if ((la->sdl_alen == 6) && (in->sdl_nlen <= _dev.length()) && (! memcmp(_dev.data(), in->sdl_data, in->sdl_nlen)))
|
||||
newGroups.push_back(MulticastGroup(MAC(la->sdl_data + la->sdl_nlen, 6), 0));
|
||||
}
|
||||
p = p->ifma_next;
|
||||
}
|
||||
freeifmaddrs(ifmap);
|
||||
}
|
||||
|
||||
std::vector<InetAddress> allIps(ips());
|
||||
for (std::vector<InetAddress>::iterator ip(allIps.begin()); ip != allIps.end(); ++ip)
|
||||
newGroups.push_back(MulticastGroup::deriveMulticastGroupForAddressResolution(*ip));
|
||||
std::vector<InetAddress> allIps(ips());
|
||||
for (std::vector<InetAddress>::iterator ip(allIps.begin()); ip != allIps.end(); ++ip)
|
||||
newGroups.push_back(MulticastGroup::deriveMulticastGroupForAddressResolution(*ip));
|
||||
|
||||
std::sort(newGroups.begin(), newGroups.end());
|
||||
newGroups.erase(std::unique(newGroups.begin(), newGroups.end()), newGroups.end());
|
||||
std::sort(newGroups.begin(), newGroups.end());
|
||||
newGroups.erase(std::unique(newGroups.begin(), newGroups.end()), newGroups.end());
|
||||
|
||||
for (std::vector<MulticastGroup>::iterator m(newGroups.begin()); m != newGroups.end(); ++m) {
|
||||
if (! std::binary_search(_multicastGroups.begin(), _multicastGroups.end(), *m))
|
||||
added.push_back(*m);
|
||||
}
|
||||
for (std::vector<MulticastGroup>::iterator m(_multicastGroups.begin()); m != _multicastGroups.end(); ++m) {
|
||||
if (! std::binary_search(newGroups.begin(), newGroups.end(), *m))
|
||||
removed.push_back(*m);
|
||||
}
|
||||
for (std::vector<MulticastGroup>::iterator m(newGroups.begin()); m != newGroups.end(); ++m) {
|
||||
if (! std::binary_search(_multicastGroups.begin(), _multicastGroups.end(), *m))
|
||||
added.push_back(*m);
|
||||
}
|
||||
for (std::vector<MulticastGroup>::iterator m(_multicastGroups.begin()); m != _multicastGroups.end(); ++m) {
|
||||
if (! std::binary_search(newGroups.begin(), newGroups.end(), *m))
|
||||
removed.push_back(*m);
|
||||
}
|
||||
|
||||
_multicastGroups.swap(newGroups);
|
||||
_multicastGroups.swap(newGroups);
|
||||
}
|
||||
|
||||
void MacEthernetTap::setMtu(unsigned int mtu)
|
||||
{
|
||||
if (_mtu != mtu) {
|
||||
char tmp[16];
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append("mtu");
|
||||
cmd.push_back(0);
|
||||
OSUtils::ztsnprintf(tmp, sizeof(tmp), "%u", mtu);
|
||||
cmd.append(tmp);
|
||||
cmd.push_back(0);
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
_mtu = mtu;
|
||||
}
|
||||
if (_mtu != mtu) {
|
||||
char tmp[16];
|
||||
std::string cmd;
|
||||
cmd.push_back((char)ZT_MACETHERNETTAPAGENT_STDIN_CMD_IFCONFIG);
|
||||
cmd.append("mtu");
|
||||
cmd.push_back(0);
|
||||
OSUtils::ztsnprintf(tmp, sizeof(tmp), "%u", mtu);
|
||||
cmd.append(tmp);
|
||||
cmd.push_back(0);
|
||||
uint16_t l = (uint16_t)cmd.length();
|
||||
_putLock.lock();
|
||||
write(_agentStdin, &l, 2);
|
||||
write(_agentStdin, cmd.data(), cmd.length());
|
||||
_putLock.unlock();
|
||||
_mtu = mtu;
|
||||
}
|
||||
}
|
||||
|
||||
#define ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE 131072
|
||||
|
||||
void MacEthernetTap::threadMain() throw()
|
||||
{
|
||||
char agentReadBuf[ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE];
|
||||
char agentStderrBuf[256];
|
||||
fd_set readfds, nullfds;
|
||||
MAC to, from;
|
||||
char agentReadBuf[ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE];
|
||||
char agentStderrBuf[256];
|
||||
fd_set readfds, nullfds;
|
||||
MAC to, from;
|
||||
|
||||
Thread::sleep(250);
|
||||
Thread::sleep(250);
|
||||
|
||||
const int nfds = std::max(std::max(_shutdownSignalPipe[0], _agentStdout), _agentStderr) + 1;
|
||||
long agentReadPtr = 0;
|
||||
fcntl(_agentStdout, F_SETFL, fcntl(_agentStdout, F_GETFL) | O_NONBLOCK);
|
||||
fcntl(_agentStderr, F_SETFL, fcntl(_agentStderr, F_GETFL) | O_NONBLOCK);
|
||||
const int nfds = std::max(std::max(_shutdownSignalPipe[0], _agentStdout), _agentStderr) + 1;
|
||||
long agentReadPtr = 0;
|
||||
fcntl(_agentStdout, F_SETFL, fcntl(_agentStdout, F_GETFL) | O_NONBLOCK);
|
||||
fcntl(_agentStderr, F_SETFL, fcntl(_agentStderr, F_GETFL) | O_NONBLOCK);
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
FD_ZERO(&nullfds);
|
||||
for (;;) {
|
||||
FD_SET(_shutdownSignalPipe[0], &readfds);
|
||||
FD_SET(_agentStdout, &readfds);
|
||||
FD_SET(_agentStderr, &readfds);
|
||||
select(nfds, &readfds, &nullfds, &nullfds, (struct timeval*)0);
|
||||
FD_ZERO(&readfds);
|
||||
FD_ZERO(&nullfds);
|
||||
for (;;) {
|
||||
FD_SET(_shutdownSignalPipe[0], &readfds);
|
||||
FD_SET(_agentStdout, &readfds);
|
||||
FD_SET(_agentStderr, &readfds);
|
||||
select(nfds, &readfds, &nullfds, &nullfds, (struct timeval*)0);
|
||||
|
||||
if (FD_ISSET(_shutdownSignalPipe[0], &readfds))
|
||||
break;
|
||||
if (FD_ISSET(_shutdownSignalPipe[0], &readfds))
|
||||
break;
|
||||
|
||||
if (FD_ISSET(_agentStdout, &readfds)) {
|
||||
long n = (long)read(_agentStdout, agentReadBuf + agentReadPtr, ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE - agentReadPtr);
|
||||
if (n > 0) {
|
||||
agentReadPtr += n;
|
||||
while (agentReadPtr >= 2) {
|
||||
long len = *((uint16_t*)agentReadBuf);
|
||||
if (agentReadPtr >= (len + 2)) {
|
||||
char* msg = agentReadBuf + 2;
|
||||
if (FD_ISSET(_agentStdout, &readfds)) {
|
||||
long n = (long)read(_agentStdout, agentReadBuf + agentReadPtr, ZT_MACETHERNETTAP_AGENT_READ_BUF_SIZE - agentReadPtr);
|
||||
if (n > 0) {
|
||||
agentReadPtr += n;
|
||||
while (agentReadPtr >= 2) {
|
||||
long len = *((uint16_t*)agentReadBuf);
|
||||
if (agentReadPtr >= (len + 2)) {
|
||||
char* msg = agentReadBuf + 2;
|
||||
|
||||
if ((len > 14) && (_enabled)) {
|
||||
to.setTo(msg, 6);
|
||||
from.setTo(msg + 6, 6);
|
||||
_handler(_arg, (void*)0, _nwid, from, to, ntohs(((const uint16_t*)msg)[6]), 0, (const void*)(msg + 14), (unsigned int)len - 14);
|
||||
}
|
||||
if ((len > 14) && (_enabled)) {
|
||||
to.setTo(msg, 6);
|
||||
from.setTo(msg + 6, 6);
|
||||
_handler(_arg, (void*)0, _nwid, from, to, ntohs(((const uint16_t*)msg)[6]), 0, (const void*)(msg + 14), (unsigned int)len - 14);
|
||||
}
|
||||
|
||||
if (agentReadPtr > (len + 2)) {
|
||||
memmove(agentReadBuf, agentReadBuf + len + 2, agentReadPtr -= (len + 2));
|
||||
}
|
||||
else {
|
||||
agentReadPtr = 0;
|
||||
}
|
||||
}
|
||||
else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (agentReadPtr > (len + 2)) {
|
||||
memmove(agentReadBuf, agentReadBuf + len + 2, agentReadPtr -= (len + 2));
|
||||
}
|
||||
else {
|
||||
agentReadPtr = 0;
|
||||
}
|
||||
}
|
||||
else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (FD_ISSET(_agentStderr, &readfds)) {
|
||||
read(_agentStderr, agentStderrBuf, sizeof(agentStderrBuf));
|
||||
/*
|
||||
const ssize_t n = read(_agentStderr,agentStderrBuf,sizeof(agentStderrBuf));
|
||||
if (n > 0)
|
||||
write(STDERR_FILENO,agentStderrBuf,(size_t)n);
|
||||
*/
|
||||
}
|
||||
}
|
||||
if (FD_ISSET(_agentStderr, &readfds)) {
|
||||
read(_agentStderr, agentStderrBuf, sizeof(agentStderrBuf));
|
||||
/*
|
||||
const ssize_t n = read(_agentStderr,agentStderrBuf,sizeof(agentStderrBuf));
|
||||
if (n > 0)
|
||||
write(STDERR_FILENO,agentStderrBuf,(size_t)n);
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
::close(_agentStdin);
|
||||
::close(_agentStdout);
|
||||
::close(_agentStderr);
|
||||
::close(_agentStdin2);
|
||||
::close(_agentStdout2);
|
||||
::close(_agentStderr2);
|
||||
::close(_shutdownSignalPipe[0]);
|
||||
::close(_shutdownSignalPipe[1]);
|
||||
::close(_agentStdin);
|
||||
::close(_agentStdout);
|
||||
::close(_agentStderr);
|
||||
::close(_agentStdin2);
|
||||
::close(_agentStdout2);
|
||||
::close(_agentStderr2);
|
||||
::close(_shutdownSignalPipe[0]);
|
||||
::close(_shutdownSignalPipe[1]);
|
||||
}
|
||||
|
||||
void MacEthernetTap::setDns(const char* domain, const std::vector<InetAddress>& servers)
|
||||
{
|
||||
MacDNSHelper::setDNS(this->_nwid, domain, servers);
|
||||
MacDNSHelper::setDNS(this->_nwid, domain, servers);
|
||||
}
|
||||
|
||||
} // namespace ZeroTier
|
||||
} // namespace ZeroTier
|
||||
|
||||
#endif // __APPLE__
|
||||
#endif // __APPLE__
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue