@ -115,7 +115,8 @@ namespace ZeroTier { typedef BSDEthernetTap EthernetTap; }
# define ZT_MAX_HTTP_MESSAGE_SIZE (1024 * 1024 * 64)
# define ZT_MAX_HTTP_CONNECTIONS 64
// Interface metric for ZeroTier taps
// Interface metric for ZeroTier taps -- this ensures that if we are on WiFi and also
// bridged via ZeroTier to the same LAN traffic will (if the OS is sane) prefer WiFi.
# define ZT_IF_METRIC 5000
// How often to check for new multicast subscriptions on a tap device
@ -473,10 +474,10 @@ public:
* destructively with uPnP port mapping behavior in very weird buggy ways .
* It ' s only used if uPnP / NAT - PMP is enabled in this build .
*/
struct {
InetAddress v4a , v6a ;
PhySocket * v4s , * v6s ;
} _udp [ 3 ] ;
Binder _bindings [ 3 ] ;
unsigned int _ports [ 3 ] ;
uint16_t _portsBE [ 3 ] ; // ports in big-endian network byte order as in sockaddr
// Sockets for JSON API -- bound only to V4 and V6 localhost
PhySocket * _v4TcpControlSocket ;
@ -511,9 +512,6 @@ public:
std : : string _fatalErrorMessage ;
Mutex _termReason_m ;
// The default/deterministic port we were told to use, normally 9993
unsigned int _port ;
// uPnP/NAT-PMP port mapper if enabled
# ifdef ZT_USE_MINIUPNPC
PortMapper * _portMapper ;
@ -550,7 +548,6 @@ public:
, _nextBackgroundTaskDeadline ( 0 )
, _tcpFallbackTunnel ( ( TcpConnection * ) 0 )
, _termReason ( ONE_STILL_RUNNING )
, _port ( 0 )
# ifdef ZT_USE_MINIUPNPC
, _portMapper ( ( PortMapper * ) 0 )
# endif
@ -562,8 +559,13 @@ public:
# endif
, _run ( true )
{
memset ( ( void * ) _udp , 0 , sizeof ( _udp ) ) ;
_ports [ 0 ] = 0 ;
_ports [ 1 ] = 0 ;
_ports [ 2 ] = 0 ;
// The control socket is bound to the default/static port on localhost. If we
// can do this, we have successfully allocated a port. The binders will take
// care of binding non-local addresses for ZeroTier traffic.
const int portTrials = ( port = = 0 ) ? 256 : 1 ; // if port is 0, pick random
for ( int k = 0 ; k < portTrials ; + + k ) {
if ( port = = 0 ) {
@ -572,59 +574,54 @@ public:
port = 40000 + ( randp % 25500 ) ;
}
_udp [ 0 ] . v4a = InetAddress ( ( uint32_t ) 0 , port ) ;
_udp [ 0 ] . v4s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 0 ] . v4a ) , ( void * ) & ( _udp [ 0 ] . v4a ) , ZT_UDP_DESIRED_BUF_SIZE ) ;
if ( _udp [ 0 ] . v4s ) {
struct sockaddr_in in4 ;
memset ( & in4 , 0 , sizeof ( in4 ) ) ;
in4 . sin_family = AF_INET ;
in4 . sin_addr . s_addr = Utils : : hton ( ( uint32_t ) 0x7f000001 ) ; // right now we just listen for TCP @127.0.0.1
in4 . sin_port = Utils : : hton ( ( uint16_t ) port ) ;
_v4TcpControlSocket = _phy . tcpListen ( ( const struct sockaddr * ) & in4 , this ) ;
if ( _v4TcpControlSocket ) {
_udp [ 0 ] . v6a = InetAddress ( " \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 " , 16 , port ) ;
_udp [ 0 ] . v6s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 0 ] . v6a ) , ( void * ) & ( _udp [ 0 ] . v6a ) , ZT_UDP_DESIRED_BUF_SIZE ) ;
struct sockaddr_in6 in6 ;
memset ( ( void * ) & in6 , 0 , sizeof ( in6 ) ) ;
in6 . sin6_family = AF_INET6 ;
in6 . sin6_port = in4 . sin_port ;
in6 . sin6_addr . s6_addr [ 15 ] = 1 ; // IPv6 localhost == ::1
_v6TcpControlSocket = _phy . tcpListen ( ( const struct sockaddr * ) & in6 , this ) ;
_port = port ;
break ; // success!
} else {
_phy . close ( _udp [ 0 ] . v4s , false ) ;
}
struct sockaddr_in in4 ;
memset ( & in4 , 0 , sizeof ( in4 ) ) ;
in4 . sin_family = AF_INET ;
in4 . sin_addr . s_addr = Utils : : hton ( ( uint32_t ) 0x7f000001 ) ; // right now we just listen for TCP @127.0.0.1
in4 . sin_port = Utils : : hton ( ( uint16_t ) port ) ;
_v4TcpControlSocket = _phy . tcpListen ( ( const struct sockaddr * ) & in4 , this ) ;
struct sockaddr_in6 in6 ;
memset ( ( void * ) & in6 , 0 , sizeof ( in6 ) ) ;
in6 . sin6_family = AF_INET6 ;
in6 . sin6_port = in4 . sin_port ;
in6 . sin6_addr . s6_addr [ 15 ] = 1 ; // IPv6 localhost == ::1
_v6TcpControlSocket = _phy . tcpListen ( ( const struct sockaddr * ) & in6 , this ) ;
// We must bind one of IPv4 or IPv6 -- support either failing to support hosts that
// have only IPv4 or only IPv6 stacks.
if ( ( ( _v4TcpControlSocket ) | | ( _v6TcpControlSocket ) ) & & ( _trialBind ( port ) ) ) {
_ports [ 0 ] = port ;
break ;
} else {
if ( _v4TcpControlSocket )
_phy . close ( _v4TcpControlSocket , false ) ;
if ( _v6TcpControlSocket )
_phy . close ( _v6TcpControlSocket , false ) ;
port = 0 ;
}
port = 0 ;
}
if ( _port = = 0 )
throw std : : runtime_error ( " cannot bind to port " ) ;
if ( _ports [ 0 ] = = 0 )
throw std : : runtime_error ( " cannot bind to local control interface port " ) ;
char portstr [ 64 ] ;
Utils : : snprintf ( portstr , sizeof ( portstr ) , " %u " , _port ) ;
Utils : : snprintf ( portstr , sizeof ( portstr ) , " %u " , _ports [ 0 ] ) ;
OSUtils : : writeFile ( ( _homePath + ZT_PATH_SEPARATOR_S + " zerotier-one.port " ) . c_str ( ) , std : : string ( portstr ) ) ;
}
virtual ~ OneServiceImpl ( )
{
for ( int i = 0 ; i < 3 ; + + i ) {
if ( _udp [ i ] . v4s )
_phy . close ( _udp [ i ] . v4s ) ;
if ( _udp [ i ] . v6s )
_phy . close ( _udp [ i ] . v6s ) ;
}
for ( int i = 0 ; i < 3 ; + + i )
_bindings [ i ] . closeAll ( _phy ) ;
_phy . close ( _v4TcpControlSocket ) ;
_phy . close ( _v6TcpControlSocket ) ;
# ifdef ZT_ENABLE_CLUSTER
_phy . close ( _clusterMessageSocket ) ;
# endif
# ifdef ZT_USE_MINIUPNPC
delete _portMapper ;
# endif
@ -654,7 +651,9 @@ public:
_termReason = ONE_UNRECOVERABLE_ERROR ;
_fatalErrorMessage = " authtoken.secret could not be written " ;
return _termReason ;
} else OSUtils : : lockDownFile ( authTokenPath . c_str ( ) , false ) ;
} else {
OSUtils : : lockDownFile ( authTokenPath . c_str ( ) , false ) ;
}
}
}
authToken = _trimString ( authToken ) ;
@ -670,42 +669,47 @@ public:
SnodePathCheckFunction ,
SnodeEventCallback ) ;
// Bind secondary randomized port. If this fails we continue anyway.
for ( int k = 0 ; k < 512 ; + + k ) {
const unsigned int randomizedPort = 40000 + ( ( ( unsigned int ) _node - > address ( ) + k ) % 25500 ) ;
_udp [ 1 ] . v4a = InetAddress ( 0 , randomizedPort ) ;
_udp [ 1 ] . v4s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 1 ] . v4a ) , ( void * ) & ( _udp [ 1 ] . v4a ) , ZT_UDP_DESIRED_BUF_SIZE ) ;
if ( _udp [ 1 ] . v4s ) {
_udp [ 1 ] . v6a = InetAddress ( " \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 " , 16 , randomizedPort ) ;
_udp [ 1 ] . v6s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 1 ] . v6a ) , ( void * ) & ( _udp [ 1 ] . v6a ) , ZT_UDP_DESIRED_BUF_SIZE ) ;
if ( _udp [ 1 ] . v6s ) {
break ;
} else {
_phy . close ( _udp [ 1 ] . v4s ) ;
_udp [ 1 ] . v4s = ( PhySocket * ) 0 ;
}
// Attempt to bind to a secondary port chosen from our ZeroTier address.
// This exists because there are buggy NATs out there that fail if more
// than one device behind the same NAT tries to use the same internal
// private address port number.
_ports [ 1 ] = 20000 + ( ( unsigned int ) _node - > address ( ) % 45500 ) ;
for ( int i = 0 ; ; + + i ) {
if ( i > 256 ) {
_ports [ 1 ] = 0 ;
break ;
} else if ( + + _ports [ 1 ] > = 65536 ) {
_ports [ 1 ] = 20000 ;
}
if ( _trialBind ( _ports [ 1 ] ) )
break ;
}
# ifdef ZT_USE_MINIUPNPC
// Bind tertiary uPnP/NAT-PMP redirect port. If this succeeds start port mapper.
for ( int k = 0 ; k < 512 ; + + k ) {
const unsigned int mapperPort = 40000 + ( ( ( _port + 1 ) * ( k + 1 ) ) % 25500 ) ;
char uniqueName [ 64 ] ;
_udp [ 2 ] . v4a = InetAddress ( 0 , mapperPort ) ;
_udp [ 2 ] . v4s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 2 ] . v4a ) , ( void * ) & ( _udp [ 2 ] . v4a ) , ZT_UDP_DESIRED_BUF_SIZE ) ;
if ( _udp [ 2 ] . v4s ) {
Utils : : snprintf ( uniqueName , sizeof ( uniqueName ) , " ZeroTier/%.10llx " , _node - > address ( ) ) ;
_portMapper = new PortMapper ( mapperPort , uniqueName ) ;
_udp [ 2 ] . v6a = InetAddress ( " \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 " , 16 , mapperPort ) ;
_udp [ 2 ] . v6s = _phy . udpBind ( ( const struct sockaddr * ) & ( _udp [ 2 ] . v6a ) , ( void * ) & ( _udp [ 2 ] . v6a ) , ZT_UDP_DESIRED_BUF_SIZE ) ; // okay if this fails, but it shouldn't
// If we're running uPnP/NAT-PMP, bind a *third* port for that. We can't
// use the other two ports for that because some NATs do really funky
// stuff with ports that are explicitly mapped that breaks things.
_ports [ 2 ] = _ports [ 1 ] ;
for ( int i = 0 ; ; + + i ) {
if ( i > 256 ) {
_ports [ 2 ] = 0 ;
break ;
} else if ( + + _ports [ 2 ] > = 65536 ) {
_ports [ 2 ] = 20000 ;
}
if ( _trialBind ( _ports [ 2 ] ) )
break ;
}
if ( _ports [ 2 ] ) {
char uniqueName [ 64 ] ;
Utils : : snprintf ( uniqueName , sizeof ( uniqueName ) , " ZeroTier/%.10llx " , _node - > address ( ) ) ;
_portMapper = new PortMapper ( _ports [ 2 ] , uniqueName ) ;
}
# endif
for ( int i = 0 ; i < 3 ; + + i )
_portsBE [ i ] = Utils : : hton ( ( uint16_t ) _ports [ i ] ) ;
# ifdef ZT_ENABLE_NETWORK_CONTROLLER
_controller = new SqliteNetworkController ( _node , ( _homePath + ZT_PATH_SEPARATOR_S + ZT_CONTROLLER_DB_PATH ) . c_str ( ) , ( _homePath + ZT_PATH_SEPARATOR_S + " circuitTestResults.d " ) . c_str ( ) ) ;
_node - > setNetconfMaster ( ( void * ) _controller ) ;
@ -800,6 +804,7 @@ public:
_lastRestart = clockShouldBe ;
uint64_t lastTapMulticastGroupCheck = 0 ;
uint64_t lastTcpFallbackResolve = 0 ;
uint64_t lastBindRefresh = 0 ;
uint64_t lastLocalInterfaceAddressCheck = ( OSUtils : : now ( ) - ZT_LOCAL_INTERFACE_CHECK_INTERVAL ) + 15000 ; // do this in 15s to give portmapper time to configure and other things time to settle
# ifdef ZT_AUTO_UPDATE
uint64_t lastSoftwareUpdateCheck = 0 ;
@ -812,9 +817,28 @@ public:
_termReason = ONE_NORMAL_TERMINATION ;
_termReason_m . unlock ( ) ;
break ;
} else _run_m . unlock ( ) ;
} else {
_run_m . unlock ( ) ;
}
const uint64_t now = OSUtils : : now ( ) ;
// Attempt to detect sleep/wake events by detecting delay overruns
bool restarted = false ;
if ( ( now > clockShouldBe ) & & ( ( now - clockShouldBe ) > 10000 ) ) {
_lastRestart = now ;
restarted = true ;
}
uint64_t now = OSUtils : : now ( ) ;
// Refresh bindings in case device's interfaces have changed
if ( ( ( now - lastBindRefresh ) > = ZT_BINDER_REFRESH_PERIOD ) | | ( restarted ) ) {
lastBindRefresh = now ;
for ( int i = 0 ; i < 3 ; + + i ) {
if ( _ports [ i ] ) {
_bindings [ i ] . refresh ( _phy , _ports [ i ] , * this ) ;
}
}
}
uint64_t dl = _nextBackgroundTaskDeadline ;
if ( dl < = now ) {
@ -822,10 +846,6 @@ public:
dl = _nextBackgroundTaskDeadline ;
}
// Attempt to detect sleep/wake events by detecting delay overruns
if ( ( now > clockShouldBe ) & & ( ( now - clockShouldBe ) > 2000 ) )
_lastRestart = now ;
# ifdef ZT_AUTO_UPDATE
if ( ( now - lastSoftwareUpdateCheck ) > = ZT_AUTO_UPDATE_CHECK_PERIOD ) {
lastSoftwareUpdateCheck = now ;
@ -859,9 +879,11 @@ public:
_node - > clearLocalInterfaceAddresses ( ) ;
# ifdef ZT_USE_MINIUPNPC
std : : vector < InetAddress > mappedAddresses ( _portMapper - > get ( ) ) ;
for ( std : : vector < InetAddress > : : const_iterator ext ( mappedAddresses . begin ( ) ) ; ext ! = mappedAddresses . end ( ) ; + + ext )
_node - > addLocalInterfaceAddress ( reinterpret_cast < const struct sockaddr_storage * > ( & ( * ext ) ) ) ;
if ( _portMapper ) {
std : : vector < InetAddress > mappedAddresses ( _portMapper - > get ( ) ) ;
for ( std : : vector < InetAddress > : : const_iterator ext ( mappedAddresses . begin ( ) ) ; ext ! = mappedAddresses . end ( ) ; + + ext )
_node - > addLocalInterfaceAddress ( reinterpret_cast < const struct sockaddr_storage * > ( & ( * ext ) ) ) ;
}
# endif
# ifdef __UNIX_LIKE__
@ -885,7 +907,7 @@ public:
}
if ( ! isZT ) {
InetAddress ip ( ifa - > ifa_addr ) ;
ip . setPort ( _port ) ;
ip . setPort ( _ports [ 0 ] ) ;
_node - > addLocalInterfaceAddress ( reinterpret_cast < const struct sockaddr_storage * > ( & ip ) ) ;
}
}
@ -999,7 +1021,7 @@ public:
// Begin private implementation methods
inline void phyOnDatagram ( PhySocket * sock , void * * uptr , const struct sockaddr * from , void * data , unsigned long len )
inline void phyOnDatagram ( PhySocket * sock , void * * uptr , const struct sockaddr * localAddr , const struct sockaddr * from , void * data , unsigned long len )
{
# ifdef ZT_ENABLE_CLUSTER
if ( sock = = _clusterMessageSocket ) {
@ -1019,7 +1041,7 @@ public:
const ZT_ResultCode rc = _node - > processWirePacket (
OSUtils : : now ( ) ,
reinterpret_cast < const struct sockaddr_storage * > ( * uptr ) , // *uptr points to InetAddress/sockaddr of local listen port
reinterpret_cast < const struct sockaddr_storage * > ( localAddr ) ,
( const struct sockaddr_storage * ) from , // Phy<> uses sockaddr_storage, so it'll always be that big
data ,
len ,
@ -1072,28 +1094,32 @@ public:
inline void phyOnTcpAccept ( PhySocket * sockL , PhySocket * sockN , void * * uptrL , void * * uptrN , const struct sockaddr * from )
{
// Incoming TCP connections are HTTP JSON API requests.
TcpConnection * tc = new TcpConnection ( ) ;
_tcpConnections . insert ( tc ) ;
tc - > type = TcpConnection : : TCP_HTTP_INCOMING ;
tc - > shouldKeepAlive = true ;
tc - > parent = this ;
tc - > sock = sockN ;
tc - > from = from ;
http_parser_init ( & ( tc - > parser ) , HTTP_REQUEST ) ;
tc - > parser . data = ( void * ) tc ;
tc - > messageSize = 0 ;
tc - > lastActivity = OSUtils : : now ( ) ;
tc - > currentHeaderField = " " ;
tc - > currentHeaderValue = " " ;
tc - > url = " " ;
tc - > status = " " ;
tc - > headers . clear ( ) ;
tc - > body = " " ;
tc - > writeBuf = " " ;
* uptrN = ( void * ) tc ;
if ( ( ! from ) | | ( reinterpret_cast < const InetAddress * > ( from ) - > ipScope ( ) ! = InetAddress : : IP_SCOPE_LOOPBACK ) ) {
// Non-Loopback: deny (for now)
_phy . close ( sockN , false ) ;
return ;
} else {
// Loopback == HTTP JSON API request
TcpConnection * tc = new TcpConnection ( ) ;
_tcpConnections . insert ( tc ) ;
tc - > type = TcpConnection : : TCP_HTTP_INCOMING ;
tc - > shouldKeepAlive = true ;
tc - > parent = this ;
tc - > sock = sockN ;
tc - > from = from ;
http_parser_init ( & ( tc - > parser ) , HTTP_REQUEST ) ;
tc - > parser . data = ( void * ) tc ;
tc - > messageSize = 0 ;
tc - > lastActivity = OSUtils : : now ( ) ;
tc - > currentHeaderField = " " ;
tc - > currentHeaderValue = " " ;
tc - > url = " " ;
tc - > status = " " ;
tc - > headers . clear ( ) ;
tc - > body = " " ;
tc - > writeBuf = " " ;
* uptrN = ( void * ) tc ;
}
}
inline void phyOnTcpClose ( PhySocket * sock , void * * uptr )
@ -1166,9 +1192,10 @@ public:
}
if ( from ) {
InetAddress fakeTcpLocalInterfaceAddress ( ( uint32_t ) 0xffffffff , 0xffff ) ;
const ZT_ResultCode rc = _node - > processWirePacket (
OSUtils : : now ( ) ,
reinterpret_cast < struct sockaddr_storage * > ( & ( _udp [ 0 ] . v4a ) ) , // TCP tunneled packets are "from" the default local port's address
reinterpret_cast < struct sockaddr_storage * > ( & fakeTcpLocalInterfaceAddress ) ,
reinterpret_cast < struct sockaddr_storage * > ( & from ) ,
data ,
plen ,
@ -1383,24 +1410,22 @@ public:
inline int nodeWirePacketSendFunction ( const struct sockaddr_storage * localAddr , const struct sockaddr_storage * addr , const void * data , unsigned int len , unsigned int ttl )
{
PhySocket * froms = ( PhySocket * ) 0 ;
unsigned int fromBindingNo = 0 ;
if ( addr - > ss_family = = AF_INET ) {
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 [ ( + + _udpPortPickerCounter & 0x4 ) > > 2 ] . v4s ;
// If sender is sending from wildcard (null address), choose the secondary backup
// port 1/4 of the time. (but only for IPv4)
fromBindingNo = ( + + _udpPortPickerCounter & 0x4 ) > > 2 ;
if ( ! _ports [ fromBindingNo ] )
fromBindingNo = 0 ;
} else {
// If sender specifies a local address, find it by just checking port since right now we always bind wildcard
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 * > ( localAddr ) - > sin_port ) {
froms = _udp [ k ] . v4s ;
break ;
}
}
const uint16_t lp = reinterpret_cast < const struct sockaddr_in * > ( localAddr ) - > sin_port ;
if ( lp = = _portsBE [ 1 ] )
fromBindingNo = 1 ;
else if ( lp = = _portsBE [ 2 ] )
fromBindingNo = 2 ;
}
if ( ! froms )
froms = _udp [ 0 ] . v4s ;
# ifdef ZT_TCP_FALLBACK_RELAY
// TCP fallback tunnel support, currently IPv4 only
@ -1442,17 +1467,12 @@ public:
# endif // ZT_TCP_FALLBACK_RELAY
} else if ( addr - > ss_family = = AF_INET6 ) {
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 = 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 ] . v6a ) ) - > sin6_port = = reinterpret_cast < const struct sockaddr_in6 * > ( localAddr ) - > sin6_port ) {
froms = _udp [ k ] . v6s ;
break ;
}
}
const uint16_t lp = reinterpret_cast < const struct sockaddr_in6 * > ( localAddr ) - > sin6_port ;
if ( lp = = _portsBE [ 1 ] )
fromBindingNo = 1 ;
else if ( lp = = _portsBE [ 2 ] )
fromBindingNo = 2 ;
}
if ( ! froms )
froms = _udp [ 0 ] . v6s ;
} else {
return - 1 ;
}
@ -1462,12 +1482,7 @@ public:
return 0 ; // silently break UDP
# endif
if ( ( ttl ) & & ( addr - > ss_family = = AF_INET ) )
_phy . setIp4UdpTtl ( froms , ttl ) ;
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 ;
return ( _bindings [ fromBindingNo ] . udpSend ( _phy , * ( reinterpret_cast < const InetAddress * > ( localAddr ) ) , * ( reinterpret_cast < const InetAddress * > ( addr ) ) , data , len , ttl ) ) ? 0 : - 1 ;
}
inline void nodeVirtualNetworkFrameFunction ( uint64_t nwid , void * * nuptr , uint64_t sourceMac , uint64_t destMac , unsigned int etherType , unsigned int vlanId , const void * data , unsigned int len )
@ -1551,6 +1566,25 @@ public:
_phy . close ( tc - > sock ) ; // will call close handler, which deletes from _tcpConnections
}
bool shouldBindInterface ( const char * ifname , const InetAddress & ifaddr )
{
if ( isBlacklistedLocalInterfaceForZeroTierTraffic ( ifname ) )
return false ;
Mutex : : Lock _l ( _taps_m ) ;
for ( std : : map < uint64_t , EthernetTap * > : : const_iterator t ( _taps . begin ( ) ) ; t ! = _taps . end ( ) ; + + t ) {
if ( t - > second ) {
std : : vector < InetAddress > ips ( t - > second - > ips ( ) ) ;
for ( std : : vector < InetAddress > : : const_iterator i ( ips . begin ( ) ) ; i ! = ips . end ( ) ; + + i ) {
if ( i - > ipsEqual ( ifaddr ) )
return false ;
}
}
}
return true ;
}
std : : string _dataStorePrepPath ( const char * name ) const
{
std : : string p ( _homePath ) ;
@ -1567,6 +1601,41 @@ public:
}
return p ;
}
bool _trialBind ( unsigned int port )
{
struct sockaddr_in in4 ;
struct sockaddr_in6 in6 ;
PhySocket * tb ;
memset ( & in4 , 0 , sizeof ( in4 ) ) ;
in4 . sin_family = AF_INET ;
in4 . sin_port = Utils : : hton ( ( uint16_t ) port ) ;
tb = _phy . udpBind ( reinterpret_cast < const struct sockaddr * > ( & in4 ) , ( void * ) 0 , 0 ) ;
if ( tb ) {
_phy . close ( tb , false ) ;
tb = _phy . tcpListen ( reinterpret_cast < const struct sockaddr * > ( & in4 ) , ( void * ) 0 ) ;
if ( tb ) {
_phy . close ( tb , false ) ;
return true ;
}
}
memset ( & in6 , 0 , sizeof ( in6 ) ) ;
in6 . sin6_family = AF_INET6 ;
in6 . sin6_port = Utils : : hton ( ( uint16_t ) port ) ;
tb = _phy . udpBind ( reinterpret_cast < const struct sockaddr * > ( & in6 ) , ( void * ) 0 , 0 ) ;
if ( tb ) {
_phy . close ( tb , false ) ;
tb = _phy . tcpListen ( reinterpret_cast < const struct sockaddr * > ( & in6 ) , ( void * ) 0 ) ;
if ( tb ) {
_phy . close ( tb , false ) ;
return true ;
}
}
return false ;
}
} ;
static int SnodeVirtualNetworkConfigFunction ( ZT_Node * node , void * uptr , uint64_t nwid , void * * nuptr , enum ZT_VirtualNetworkConfigOperation op , const ZT_VirtualNetworkConfig * nwconf )
Adam Ierymenko
10 years ago