-static void FindDNS(std::string& server)
-{
- if (!server.empty())
- return;
-#ifdef _WIN32
- // attempt to look up their nameserver from the system
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"WARNING: <dns:server> not defined, attempting to find a working server in the system settings...");
-
- PFIXED_INFO pFixedInfo;
- DWORD dwBufferSize = sizeof(FIXED_INFO);
- pFixedInfo = (PFIXED_INFO) HeapAlloc(GetProcessHeap(), 0, sizeof(FIXED_INFO));
-
- if(pFixedInfo)
- {
- if (GetNetworkParams(pFixedInfo, &dwBufferSize) == ERROR_BUFFER_OVERFLOW) {
- HeapFree(GetProcessHeap(), 0, pFixedInfo);
- pFixedInfo = (PFIXED_INFO) HeapAlloc(GetProcessHeap(), 0, dwBufferSize);
- }
-
- if(pFixedInfo) {
- if (GetNetworkParams(pFixedInfo, &dwBufferSize) == NO_ERROR)
- server = pFixedInfo->DnsServerList.IpAddress.String;
-
- HeapFree(GetProcessHeap(), 0, pFixedInfo);
- }
-
- if(!server.empty())
- {
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"<dns:server> set to '%s' as first active resolver in the system settings.", server.c_str());
- return;
- }
- }
-
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"No viable nameserver found! Defaulting to nameserver '127.0.0.1'!");
-#else
- // attempt to look up their nameserver from /etc/resolv.conf
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
-
- std::ifstream resolv("/etc/resolv.conf");
-
- while (resolv >> server)
- {
- if (server == "nameserver")
- {
- resolv >> server;
- if (server.find_first_not_of("0123456789.") == std::string::npos)
- {
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",server.c_str());
- return;
- }
- }
- }
-
- ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
-#endif
- server = "127.0.0.1";
-}
-