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;
}
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 );
}