github/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/ZeroTier/ZeroTierOne synced 2025-07-16 10:03:14 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix problems with previous commit.

Browse source
This commit is contained in:
Adam Ierymenko 2016-03-03 14:15:09 -08:00
parent ba56a5b9d1
commit fe3a84a422
2 changed files with 12 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

22
service/OneService.cpp
View file

@ -1313,31 +1313,29 @@ public:
PhySocket *froms = (PhySocket *)0;
if (addr->ss_family == AF_INET) {
if (reinterpret_cast<const struct sockaddr_in *>(addr)->sin_port == 0) {
if (reinterpret_cast<const struct sockaddr_in *>(localAddr)->sin_port == 0) {
// If sender specifies any local address, use secondary port 1/4 times
froms = ((_udp[1].v4s) ? _udp[(++_udpPortPickerCounter & 0x4) >> 2].v4s : _udp[0].v4s);
froms = _udp[(++_udpPortPickerCounter & 0x4) >> 2].v4s;
} else {
// If sender specifies a local address, find it by just checking port since right now we always bind wildcard
for(int k=0;k<2;++k) {
for(int k=1;k<2;++k) {
// Match fast on port only, since right now we always bind wildcard
if (reinterpret_cast<const struct sockaddr_in *>(&(_udp[k].v4a))->sin_port == reinterpret_cast<const struct sockaddr_in *>(addr)->sin_port) {
if (reinterpret_cast<const struct sockaddr_in *>(&(_udp[k].v4a))->sin_port == reinterpret_cast<const struct sockaddr_in *>(localAddr)->sin_port) {
froms = _udp[k].v4s;
break;
}
}
}
if (!froms)
froms = _udp[0].v4s;
#ifdef ZT_TCP_FALLBACK_RELAY
// TCP fallback tunnel support, currently IPv4 only
if ((len >= 16)&&(reinterpret_cast<const InetAddress *>(addr)->ipScope() == InetAddress::IP_SCOPE_GLOBAL)) {
const uint64_t now = OSUtils::now();
// Engage TCP tunnel fallback if we haven't received anything valid from a global
// IP address in ZT_TCP_FALLBACK_AFTER milliseconds. If we do start getting
// valid direct traffic we'll stop using it and close the socket after a while.
const uint64_t now = OSUtils::now();
if (((now - _lastDirectReceiveFromGlobal) > ZT_TCP_FALLBACK_AFTER)&&((now - _lastRestart) > ZT_TCP_FALLBACK_AFTER)) {
if (_tcpFallbackTunnel) {
Mutex::Lock _l(_tcpFallbackTunnel->writeBuf_m);
@ -1370,12 +1368,12 @@ public:
}
#endif // ZT_TCP_FALLBACK_RELAY
} else if (addr->ss_family == AF_INET6) {
if (reinterpret_cast<const struct sockaddr_in6 *>(addr)->sin6_port != 0) {
if (reinterpret_cast<const struct sockaddr_in6 *>(localAddr)->sin6_port != 0) {
// If sender specifies a local address, find it by just checking port since right now we always bind wildcard
for(int k=0;k<2;++k) {
for(int k=1;k<2;++k) {
// Match fast on port only, since right now we always bind wildcard
if (reinterpret_cast<const struct sockaddr_in6 *>(&(_udp[k].v4a))->sin6_port == reinterpret_cast<const struct sockaddr_in6 *>(addr)->sin6_port) {
froms = _udp[k].v4s;
if (reinterpret_cast<const struct sockaddr_in6 *>(&(_udp[k].v6a))->sin6_port == reinterpret_cast<const struct sockaddr_in6 *>(localAddr)->sin6_port) {
froms = _udp[k].v6s;
break;
}
}
@ -1393,7 +1391,7 @@ public:
if ((ttl)&&(addr->ss_family == AF_INET))
_phy.setIp4UdpTtl(froms,ttl);
int result = (_phy.udpSend(froms,(const struct sockaddr *)addr,data,len) != 0) ? 0 : -1;
const int result = (_phy.udpSend(froms,(const struct sockaddr *)addr,data,len) != 0) ? 0 : -1;
if ((ttl)&&(addr->ss_family == AF_INET))
_phy.setIp4UdpTtl(froms,255);
return result;