tcp::endpoint const GetAddressForClient(Realm const& realm, ip::address const& clientAddr)
{
ip::address realmIp;
// Attempt to send best address for client
if (clientAddr.is_loopback())
{
// Try guessing if realm is also connected locally
if (realm.LocalAddress.is_loopback() || realm.ExternalAddress.is_loopback())
realmIp = clientAddr;
else
{
// Assume that user connecting from the machine that authserver is located on
// has all realms available in his local network
realmIp = realm.LocalAddress;
}
}
else
{
if (clientAddr.is_v4() &&
(clientAddr.to_v4().to_ulong() & realm.LocalSubnetMask.to_v4().to_ulong()) ==
(realm.LocalAddress.to_v4().to_ulong() & realm.LocalSubnetMask.to_v4().to_ulong()))
{
realmIp = realm.LocalAddress;
}
else
realmIp = realm.ExternalAddress;
}
tcp::endpoint endpoint(realmIp, realm.port);
// Return external IP
return endpoint;
}
void c_net_node::add_to_inbox (char *data, size_t size, const ip::address &source_address) {
_info("add_to_inbox");
std::lock_guard<std::mutex> lg(m_inbox_mutex);
s_message message;
message.m_data.assign(data, size);
message.m_source_id = source_address.to_string();
m_inbox.emplace_back(std::move(message));
}
promise< mac::address >
arp_win32::resolve( const ip::address &ip_address )
{
auto self = false;
auto ret = promise< mac::address >();
for ( auto nif : machine::self().nifs() )
{
if ( nif.address() == ip_address )
{
mac::address mac = nif.mac_address();
runloop::shared().dispatch( [=]() mutable
{
ret.resolve( std::move( mac ) );
} );
self = true;
break;
}
}
if ( !self )
{
std::thread t( [=]() mutable
{
IPAddr dest;
ULONG bytes[ 2 ];
ULONG len = sizeof( bytes );
mac::address mac;
auto err = std::error_code();
ip_address >> dest;
auto aerr = SendARP( dest, INADDR_ANY, &bytes, &len );
ncheck_error_action( aerr == NO_ERROR, err = make_error_code( std::errc::no_such_device_or_address ), exit, "SendARP to % failed (%)", ip_address.to_string(), err );
ncheck_error_action( len == 6, err = make_error_code( std::errc::no_such_device_or_address ), exit, "bad mac address size: %", len );
mac = mac::address( reinterpret_cast< std::uint8_t* >( &bytes ), len );
mlog( marker::arp, log::level_t::info, "% -> %", ip_address.to_string(), mac.to_string() );
exit:
runloop::shared().dispatch( [=]() mutable
{
if ( !err )
{
ret.resolve( std::move( mac ) );
}
else
{
ret.reject( err );
}
} );
} );
bool IPAddress::isPrefixValid ( const std::string& p_prefix, const ::ip::address& p_address ) {
uint8_t max_prefix = p_address.is_v4() ? 32 : 128;
try {
c_prefix_number = boost::lexical_cast<int>(p_prefix);
} catch(boost::bad_lexical_cast &e) {
return false;
}
return ( c_prefix_number >= 0 && c_prefix_number < max_prefix );
}