mirror of
https://github.com/ZeroTier/ZeroTierOne
synced 2025-08-14 02:27:38 -07:00
clang-format
This commit is contained in:
Adam Ierymenko
parent
d45f280cb7
commit
ba2a4a605c
140 changed files with 19214 additions and 17403 deletions
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@ -19,42 +19,39 @@
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#ifdef __LINUX__
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#include "../node/Utils.hpp"
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#include "../node/Mutex.hpp"
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#include "../node/Dictionary.hpp"
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#include "OSUtils.hpp"
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#include "../node/Mutex.hpp"
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#include "../node/Utils.hpp"
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#include "LinuxEthernetTap.hpp"
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#include "LinuxNetLink.hpp"
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#include "OSUtils.hpp"
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#include <algorithm>
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#include <arpa/inet.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <ifaddrs.h>
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#include <linux/if.h>
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#include <linux/if_addr.h>
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#include <linux/if_ether.h>
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#include <linux/if_tun.h>
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#include <net/if_arp.h>
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#include <netinet/in.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/wait.h>
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#include <sys/select.h>
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#include <netinet/in.h>
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#include <net/if_arp.h>
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#include <arpa/inet.h>
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#include <linux/if.h>
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#include <linux/if_tun.h>
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#include <linux/if_addr.h>
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#include <linux/if_ether.h>
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#include <ifaddrs.h>
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#include <algorithm>
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#include <utility>
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#include <string>
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#include <ctype.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/utsname.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <utility>
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#ifndef IFNAMSIZ
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#define IFNAMSIZ 16
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@ -63,7 +60,7 @@
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#define ZT_TAP_BUF_SIZE (1024 * 16)
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// ff:ff:ff:ff:ff:ff with no ADI
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static const ZeroTier::MulticastGroup _blindWildcardMulticastGroup(ZeroTier::MAC(0xff),0);
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static const ZeroTier::MulticastGroup _blindWildcardMulticastGroup(ZeroTier::MAC(0xff), 0);
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namespace ZeroTier {
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@ -72,9 +69,10 @@ namespace ZeroTier {
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// the tap devices.
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//
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// Returns true if the kernel major version is < 3
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bool isOldLinuxKernel() {
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bool isOldLinuxKernel()
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{
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struct utsname buffer;
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char *p;
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char* p;
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long ver[16];
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int i = 0;
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if (uname(&buffer) != 0) {
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@ -84,20 +82,21 @@ bool isOldLinuxKernel() {
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p = buffer.release;
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while (*p) {
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if (isdigit(*p)) {
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ver[i] = strtol(p, &p, 10);
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i++;
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} else {
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p++;
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}
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}
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while (*p) {
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if (isdigit(*p)) {
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ver[i] = strtol(p, &p, 10);
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i++;
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}
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else {
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p++;
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}
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}
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return ver[0] < 3;
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}
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static const char _base32_chars[32] = { 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','2','3','4','5','6','7' };
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static void _base32_5_to_8(const uint8_t *in,char *out)
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static const char _base32_chars[32] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '2', '3', '4', '5', '6', '7' };
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static void _base32_5_to_8(const uint8_t* in, char* out)
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{
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out[0] = _base32_chars[(in[0]) >> 3];
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out[1] = _base32_chars[(in[0] & 0x07) << 2 | (in[1] & 0xc0) >> 6];
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@ -110,87 +109,89 @@ static void _base32_5_to_8(const uint8_t *in,char *out)
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}
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LinuxEthernetTap::LinuxEthernetTap(
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const char *homePath,
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const char* homePath,
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unsigned int concurrency,
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bool pinning,
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const MAC &mac,
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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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_handler(handler),
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_arg(arg),
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_nwid(nwid),
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_mac(mac),
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_homePath(homePath),
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_mtu(mtu),
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_fd(0),
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_enabled(true),
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_run(true),
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_lastIfAddrsUpdate(0)
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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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: _handler(handler)
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, _arg(arg)
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, _nwid(nwid)
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, _mac(mac)
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, _homePath(homePath)
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, _mtu(mtu)
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, _fd(0)
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, _enabled(true)
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, _run(true)
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, _lastIfAddrsUpdate(0)
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{
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static std::mutex s_tapCreateLock;
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char procpath[128],nwids[32];
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char procpath[128], nwids[32];
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struct stat sbuf;
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// Create only one tap at a time globally.
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std::lock_guard<std::mutex> tapCreateLock(s_tapCreateLock);
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// Make sure Linux netlink is initialized.
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(void)LinuxNetLink::getInstance();
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OSUtils::ztsnprintf(nwids,sizeof(nwids),"%.16llx",nwid);
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OSUtils::ztsnprintf(nwids, sizeof(nwids), "%.16llx", nwid);
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_fd = ::open("/dev/net/tun",O_RDWR);
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_fd = ::open("/dev/net/tun", O_RDWR);
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if (_fd <= 0) {
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_fd = ::open("/dev/tun",O_RDWR);
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_fd = ::open("/dev/tun", O_RDWR);
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if (_fd <= 0)
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throw std::runtime_error(std::string("could not open TUN/TAP device: ") + strerror(errno));
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}
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struct ifreq ifr;
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memset(&ifr,0,sizeof(ifr));
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memset(&ifr, 0, sizeof(ifr));
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// Restore device names from legacy devicemap, but for new devices we use a base32-based
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// canonical device name.
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std::map<std::string,std::string> globalDeviceMap;
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FILE *devmapf = fopen((_homePath + ZT_PATH_SEPARATOR_S + "devicemap").c_str(),"r");
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std::map<std::string, std::string> globalDeviceMap;
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FILE* devmapf = fopen((_homePath + ZT_PATH_SEPARATOR_S + "devicemap").c_str(), "r");
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if (devmapf) {
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char buf[256];
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while (fgets(buf,sizeof(buf),devmapf)) {
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char *x = (char *)0;
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char *y = (char *)0;
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char *saveptr = (char *)0;
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for(char *f=Utils::stok(buf,"\r\n=",&saveptr);(f);f=Utils::stok((char *)0,"\r\n=",&saveptr)) {
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if (!x) x = f;
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else if (!y) y = f;
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else break;
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while (fgets(buf, sizeof(buf), devmapf)) {
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char* x = (char*)0;
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char* y = (char*)0;
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char* saveptr = (char*)0;
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for (char* f = Utils::stok(buf, "\r\n=", &saveptr); (f); f = Utils::stok((char*)0, "\r\n=", &saveptr)) {
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if (! x)
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x = f;
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else if (! y)
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y = f;
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else
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break;
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}
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if ((x)&&(y)&&(x[0])&&(y[0]))
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if ((x) && (y) && (x[0]) && (y[0]))
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globalDeviceMap[x] = y;
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}
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fclose(devmapf);
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}
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bool recalledDevice = false;
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std::map<std::string,std::string>::const_iterator gdmEntry = globalDeviceMap.find(nwids);
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std::map<std::string, std::string>::const_iterator gdmEntry = globalDeviceMap.find(nwids);
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if (gdmEntry != globalDeviceMap.end()) {
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Utils::scopy(ifr.ifr_name,sizeof(ifr.ifr_name),gdmEntry->second.c_str());
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OSUtils::ztsnprintf(procpath,sizeof(procpath),"/proc/sys/net/ipv4/conf/%s",ifr.ifr_name);
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recalledDevice = (stat(procpath,&sbuf) != 0);
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Utils::scopy(ifr.ifr_name, sizeof(ifr.ifr_name), gdmEntry->second.c_str());
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OSUtils::ztsnprintf(procpath, sizeof(procpath), "/proc/sys/net/ipv4/conf/%s", ifr.ifr_name);
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recalledDevice = (stat(procpath, &sbuf) != 0);
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}
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if (!recalledDevice) {
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if (! recalledDevice) {
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#ifdef __SYNOLOGY__
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int devno = 50;
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do {
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OSUtils::ztsnprintf(ifr.ifr_name,sizeof(ifr.ifr_name),"eth%d",devno++);
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OSUtils::ztsnprintf(procpath,sizeof(procpath),"/proc/sys/net/ipv4/conf/%s",ifr.ifr_name);
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} while (stat(procpath,&sbuf) == 0); // try zt#++ until we find one that does not exist
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OSUtils::ztsnprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "eth%d", devno++);
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OSUtils::ztsnprintf(procpath, sizeof(procpath), "/proc/sys/net/ipv4/conf/%s", ifr.ifr_name);
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} while (stat(procpath, &sbuf) == 0); // try zt#++ until we find one that does not exist
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#else
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uint64_t trial = 0; // incremented in the very unlikely event of a name collision with another network
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uint64_t trial = 0; // incremented in the very unlikely event of a name collision with another network
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do {
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const uint64_t nwid40 = (nwid ^ (nwid >> 24)) + trial++;
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uint8_t tmp2[5];
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@ -202,29 +203,28 @@ LinuxEthernetTap::LinuxEthernetTap(
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tmp2[4] = (uint8_t)(nwid40 & 0xff);
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tmp3[0] = 'z';
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tmp3[1] = 't';
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_base32_5_to_8(tmp2,tmp3 + 2);
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_base32_5_to_8(tmp2, tmp3 + 2);
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tmp3[10] = (char)0;
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memcpy(ifr.ifr_name,tmp3,11);
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OSUtils::ztsnprintf(procpath,sizeof(procpath),"/proc/sys/net/ipv4/conf/%s",ifr.ifr_name);
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} while (stat(procpath,&sbuf) == 0);
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memcpy(ifr.ifr_name, tmp3, 11);
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OSUtils::ztsnprintf(procpath, sizeof(procpath), "/proc/sys/net/ipv4/conf/%s", ifr.ifr_name);
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} while (stat(procpath, &sbuf) == 0);
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#endif
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}
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ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
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if (ioctl(_fd,TUNSETIFF,(void *)&ifr) < 0) {
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if (ioctl(_fd, TUNSETIFF, (void*)&ifr) < 0) {
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::close(_fd);
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throw std::runtime_error("unable to configure TUN/TAP device for TAP operation");
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}
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::ioctl(_fd,TUNSETPERSIST,0); // valgrind may generate a false alarm here
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::ioctl(_fd, TUNSETPERSIST, 0); // valgrind may generate a false alarm here
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_dev = ifr.ifr_name;
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::fcntl(_fd,F_SETFD,fcntl(_fd,F_GETFD) | FD_CLOEXEC);
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::fcntl(_fd, F_SETFD, fcntl(_fd, F_GETFD) | FD_CLOEXEC);
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(void)::pipe(_shutdownSignalPipe);
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for (unsigned int i = 0; i < concurrency; ++i) {
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_rxThreads.push_back(std::thread([this, i, concurrency, pinning] {
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if (pinning) {
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int pinCore = i % concurrency;
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fprintf(stderr, "Pinning tap thread %d to core %d\n", i, pinCore);
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@ -233,8 +233,7 @@ LinuxEthernetTap::LinuxEthernetTap(
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CPU_ZERO(&cpuset);
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CPU_SET(pinCore, &cpuset);
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int rc = pthread_setaffinity_np(self, sizeof(cpu_set_t), &cpuset);
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if (rc != 0)
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{
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if (rc != 0) {
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fprintf(stderr, "Failed to pin tap thread %d to core %d: %s\n", i, pinCore, strerror(errno));
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exit(1);
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}
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@ -364,11 +363,11 @@ LinuxEthernetTap::LinuxEthernetTap(
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LinuxEthernetTap::~LinuxEthernetTap()
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{
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_run = false;
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(void)::write(_shutdownSignalPipe[1],"\0",1);
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(void)::write(_shutdownSignalPipe[1], "\0", 1);
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::close(_fd);
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::close(_shutdownSignalPipe[0]);
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::close(_shutdownSignalPipe[1]);
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for (std::thread &t : _rxThreads) {
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for (std::thread& t : _rxThreads) {
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t.join();
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}
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}
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@ -383,7 +382,7 @@ bool LinuxEthernetTap::enabled() const
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return _enabled;
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}
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static bool ___removeIp(const std::string &_dev,const InetAddress &ip)
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static bool ___removeIp(const std::string& _dev, const InetAddress& ip)
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{
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LinuxNetLink::getInstance().removeAddress(ip, _dev.c_str());
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return true;
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@ -392,55 +391,54 @@ static bool ___removeIp(const std::string &_dev,const InetAddress &ip)
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bool LinuxEthernetTap::addIps(std::vector<InetAddress> ips)
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{
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#ifdef __SYNOLOGY__
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std::string filepath = "/etc/sysconfig/network-scripts/ifcfg-"+_dev;
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std::string cfg_contents = "DEVICE="+_dev+"\nBOOTPROTO=static";
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int ip4=0,ip6=0,ip4_tot=0,ip6_tot=0;
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std::string filepath = "/etc/sysconfig/network-scripts/ifcfg-" + _dev;
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std::string cfg_contents = "DEVICE=" + _dev + "\nBOOTPROTO=static";
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int ip4 = 0, ip6 = 0, ip4_tot = 0, ip6_tot = 0;
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for(int i=0; i<(int)ips.size(); i++) {
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for (int i = 0; i < (int)ips.size(); i++) {
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if (ips[i].isV4())
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ip4_tot++;
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else
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ip6_tot++;
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}
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// Assemble and write contents of ifcfg-dev file
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for(int i=0; i<(int)ips.size(); i++) {
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for (int i = 0; i < (int)ips.size(); i++) {
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if (ips[i].isV4()) {
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char iptmp[64],iptmp2[64];
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char iptmp[64], iptmp2[64];
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std::string numstr4 = ip4_tot > 1 ? std::to_string(ip4) : "";
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cfg_contents += "\nIPADDR"+numstr4+"="+ips[i].toIpString(iptmp)
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+ "\nNETMASK"+numstr4+"="+ips[i].netmask().toIpString(iptmp2)+"\n";
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cfg_contents += "\nIPADDR" + numstr4 + "=" + ips[i].toIpString(iptmp) + "\nNETMASK" + numstr4 + "=" + ips[i].netmask().toIpString(iptmp2) + "\n";
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ip4++;
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} else {
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char iptmp[64],iptmp2[64];
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}
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else {
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char iptmp[64], iptmp2[64];
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std::string numstr6 = ip6_tot > 1 ? std::to_string(ip6) : "";
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cfg_contents += "\nIPV6ADDR"+numstr6+"="+ips[i].toIpString(iptmp)
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+ "\nNETMASK"+numstr6+"="+ips[i].netmask().toIpString(iptmp2)+"\n";
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cfg_contents += "\nIPV6ADDR" + numstr6 + "=" + ips[i].toIpString(iptmp) + "\nNETMASK" + numstr6 + "=" + ips[i].netmask().toIpString(iptmp2) + "\n";
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ip6++;
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}
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}
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OSUtils::writeFile(filepath.c_str(), cfg_contents.c_str(), cfg_contents.length());
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// Finally, add IPs
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for(int i=0; i<(int)ips.size(); i++){
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for (int i = 0; i < (int)ips.size(); i++) {
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LinuxNetLink::getInstance().addAddress(ips[i], _dev.c_str());
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}
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return true;
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#endif // __SYNOLOGY__
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#endif // __SYNOLOGY__
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return false;
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}
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bool LinuxEthernetTap::addIp(const InetAddress &ip)
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bool LinuxEthernetTap::addIp(const InetAddress& ip)
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{
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if (!ip)
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if (! ip)
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return false;
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std::vector<InetAddress> allIps(ips());
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if (std::binary_search(allIps.begin(),allIps.end(),ip))
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if (std::binary_search(allIps.begin(), allIps.end(), ip))
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return true;
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// Remove and reconfigure if address is the same but netmask is different
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for(std::vector<InetAddress>::iterator i(allIps.begin());i!=allIps.end();++i) {
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for (std::vector<InetAddress>::iterator i(allIps.begin()); i != allIps.end(); ++i) {
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if (i->ipsEqual(ip))
|
||||
___removeIp(_dev,*i);
|
||||
___removeIp(_dev, *i);
|
||||
}
|
||||
|
||||
LinuxNetLink::getInstance().addAddress(ip, _dev.c_str());
|
||||
|
|
@ -448,13 +446,13 @@ bool LinuxEthernetTap::addIp(const InetAddress &ip)
|
|||
return true;
|
||||
}
|
||||
|
||||
bool LinuxEthernetTap::removeIp(const InetAddress &ip)
|
||||
bool LinuxEthernetTap::removeIp(const InetAddress& ip)
|
||||
{
|
||||
if (!ip)
|
||||
if (! ip)
|
||||
return true;
|
||||
std::vector<InetAddress> allIps(ips());
|
||||
if (std::find(allIps.begin(),allIps.end(),ip) != allIps.end()) {
|
||||
if (___removeIp(_dev,ip))
|
||||
if (std::find(allIps.begin(), allIps.end(), ip) != allIps.end()) {
|
||||
if (___removeIp(_dev, ip))
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
|
|
@ -462,7 +460,6 @@ bool LinuxEthernetTap::removeIp(const InetAddress &ip)
|
|||
|
||||
std::vector<InetAddress> LinuxEthernetTap::ips() const
|
||||
{
|
||||
|
||||
uint64_t now = OSUtils::now();
|
||||
|
||||
if ((now - _lastIfAddrsUpdate) <= GETIFADDRS_CACHE_TIME) {
|
||||
|
|
@ -470,28 +467,28 @@ std::vector<InetAddress> LinuxEthernetTap::ips() const
|
|||
}
|
||||
_lastIfAddrsUpdate = now;
|
||||
|
||||
struct ifaddrs *ifa = (struct ifaddrs *)0;
|
||||
struct ifaddrs* ifa = (struct ifaddrs*)0;
|
||||
if (getifaddrs(&ifa))
|
||||
return std::vector<InetAddress>();
|
||||
|
||||
std::vector<InetAddress> r;
|
||||
|
||||
struct ifaddrs *p = ifa;
|
||||
struct ifaddrs* p = ifa;
|
||||
while (p) {
|
||||
if ((!strcmp(p->ifa_name,_dev.c_str()))&&(p->ifa_addr)&&(p->ifa_netmask)&&(p->ifa_addr->sa_family == p->ifa_netmask->sa_family)) {
|
||||
switch(p->ifa_addr->sa_family) {
|
||||
if ((! strcmp(p->ifa_name, _dev.c_str())) && (p->ifa_addr) && (p->ifa_netmask) && (p->ifa_addr->sa_family == p->ifa_netmask->sa_family)) {
|
||||
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;
|
||||
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;
|
||||
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;
|
||||
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;
|
||||
|
|
@ -500,24 +497,24 @@ std::vector<InetAddress> LinuxEthernetTap::ips() const
|
|||
if (ifa)
|
||||
freeifaddrs(ifa);
|
||||
|
||||
std::sort(r.begin(),r.end());
|
||||
r.erase(std::unique(r.begin(),r.end()),r.end());
|
||||
std::sort(r.begin(), r.end());
|
||||
r.erase(std::unique(r.begin(), r.end()), r.end());
|
||||
|
||||
_ifaddrs = r;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
void LinuxEthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len)
|
||||
void LinuxEthernetTap::put(const MAC& from, const MAC& to, unsigned int etherType, const void* data, unsigned int len)
|
||||
{
|
||||
char putBuf[ZT_MAX_MTU + 64];
|
||||
if ((_fd > 0)&&(len <= _mtu)&&(_enabled)) {
|
||||
to.copyTo(putBuf,6);
|
||||
from.copyTo(putBuf + 6,6);
|
||||
*((uint16_t *)(putBuf + 12)) = htons((uint16_t)etherType);
|
||||
memcpy(putBuf + 14,data,len);
|
||||
if ((_fd > 0) && (len <= _mtu) && (_enabled)) {
|
||||
to.copyTo(putBuf, 6);
|
||||
from.copyTo(putBuf + 6, 6);
|
||||
*((uint16_t*)(putBuf + 12)) = htons((uint16_t)etherType);
|
||||
memcpy(putBuf + 14, data, len);
|
||||
len += 14;
|
||||
(void)::write(_fd,putBuf,len);
|
||||
(void)::write(_fd, putBuf, len);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -526,53 +523,53 @@ std::string LinuxEthernetTap::deviceName() const
|
|||
return _dev;
|
||||
}
|
||||
|
||||
void LinuxEthernetTap::setFriendlyName(const char *friendlyName)
|
||||
void LinuxEthernetTap::setFriendlyName(const char* friendlyName)
|
||||
{
|
||||
}
|
||||
|
||||
void LinuxEthernetTap::scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed)
|
||||
void LinuxEthernetTap::scanMulticastGroups(std::vector<MulticastGroup>& added, std::vector<MulticastGroup>& removed)
|
||||
{
|
||||
char *ptr,*ptr2;
|
||||
char *ptr, *ptr2;
|
||||
unsigned char mac[6];
|
||||
std::vector<MulticastGroup> newGroups;
|
||||
|
||||
int fd = ::open("/proc/net/dev_mcast",O_RDONLY);
|
||||
int fd = ::open("/proc/net/dev_mcast", O_RDONLY);
|
||||
if (fd > 0) {
|
||||
char buf[131072];
|
||||
int n = (int)::read(fd,buf,sizeof(buf));
|
||||
if ((n > 0)&&(n < (int)sizeof(buf))) {
|
||||
int n = (int)::read(fd, buf, sizeof(buf));
|
||||
if ((n > 0) && (n < (int)sizeof(buf))) {
|
||||
buf[n] = (char)0;
|
||||
for(char *l=strtok_r(buf,"\r\n",&ptr);(l);l=strtok_r((char *)0,"\r\n",&ptr)) {
|
||||
for (char* l = strtok_r(buf, "\r\n", &ptr); (l); l = strtok_r((char*)0, "\r\n", &ptr)) {
|
||||
int fno = 0;
|
||||
char *devname = (char *)0;
|
||||
char *mcastmac = (char *)0;
|
||||
for(char *f=strtok_r(l," \t",&ptr2);(f);f=strtok_r((char *)0," \t",&ptr2)) {
|
||||
char* devname = (char*)0;
|
||||
char* mcastmac = (char*)0;
|
||||
for (char* f = strtok_r(l, " \t", &ptr2); (f); f = strtok_r((char*)0, " \t", &ptr2)) {
|
||||
if (fno == 1)
|
||||
devname = f;
|
||||
else if (fno == 4)
|
||||
mcastmac = f;
|
||||
++fno;
|
||||
}
|
||||
if ((devname)&&(!strcmp(devname,_dev.c_str()))&&(mcastmac)&&(Utils::unhex(mcastmac,mac,6) == 6))
|
||||
newGroups.push_back(MulticastGroup(MAC(mac,6),0));
|
||||
if ((devname) && (! strcmp(devname, _dev.c_str())) && (mcastmac) && (Utils::unhex(mcastmac, mac, 6) == 6))
|
||||
newGroups.push_back(MulticastGroup(MAC(mac, 6), 0));
|
||||
}
|
||||
}
|
||||
::close(fd);
|
||||
}
|
||||
|
||||
std::vector<InetAddress> allIps(ips());
|
||||
for(std::vector<InetAddress>::iterator ip(allIps.begin());ip!=allIps.end();++ip)
|
||||
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))
|
||||
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))
|
||||
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);
|
||||
}
|
||||
|
||||
|
|
@ -583,13 +580,13 @@ void LinuxEthernetTap::setMtu(unsigned int mtu)
|
|||
{
|
||||
if (_mtu != mtu) {
|
||||
_mtu = mtu;
|
||||
int sock = socket(AF_INET,SOCK_DGRAM,0);
|
||||
int sock = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (sock > 0) {
|
||||
struct ifreq ifr;
|
||||
memset(&ifr,0,sizeof(ifr));
|
||||
strcpy(ifr.ifr_name,_dev.c_str());
|
||||
memset(&ifr, 0, sizeof(ifr));
|
||||
strcpy(ifr.ifr_name, _dev.c_str());
|
||||
ifr.ifr_ifru.ifru_mtu = (int)mtu;
|
||||
if (ioctl(sock,SIOCSIFMTU,(void *)&ifr) < 0) {
|
||||
if (ioctl(sock, SIOCSIFMTU, (void*)&ifr) < 0) {
|
||||
printf("WARNING: ioctl() failed updating existing Linux tap device (set MTU)\n");
|
||||
}
|
||||
close(sock);
|
||||
|
|
@ -597,6 +594,6 @@ void LinuxEthernetTap::setMtu(unsigned int mtu)
|
|||
}
|
||||
}
|
||||
|
||||
} // namespace ZeroTier
|
||||
} // namespace ZeroTier
|
||||
|
||||
#endif // __LINUX__
|
||||
#endif // __LINUX__
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue