Revert fix for GitHub issue #600 because it causes route objects to build up forever (at least on Mac). Bleh. #600 is a rare issue and will need some other fix after reliable duplication.

osdep/ManagedRoute.cpp

@@ -246,6 +246,7 @@ static std::vector<_RTE> _getRTEs(const InetAddress &target,bool contains)
 
 static void _routeCmd(const char *op,const InetAddress &target,const InetAddress &via,const char *ifscope,const char *localInterface)
 {
+	//char f1[1024],f2[1024]; printf("%s %s %s %s %s\n",op,target.toString(f1),via.toString(f2),ifscope,localInterface);
 	long p = (long)fork();
 	if (p > 0) {
 		int exitcode = -1;

service/OneService.cpp

@@ -1610,12 +1610,10 @@ public:
 			// Nuke applied routes that are no longer in n.config.routes[] and/or are not allowed
 			for(std::list< SharedPtr<ManagedRoute> >::iterator mr(n.managedRoutes.begin());mr!=n.managedRoutes.end();) {
 				bool haveRoute = false;
-
 				if ( (checkIfManagedIsAllowed(n,(*mr)->target())) && (((*mr)->via().ss_family != (*mr)->target().ss_family)||(!matchIpOnly(myIps,(*mr)->via()))) ) {
 					for(unsigned int i=0;i<n.config.routeCount;++i) {
 						const InetAddress *const target = reinterpret_cast<const InetAddress *>(&(n.config.routes[i].target));
 						const InetAddress *const via = reinterpret_cast<const InetAddress *>(&(n.config.routes[i].via));
-
 						if ( ((*mr)->target() == *target) && ( ((via->ss_family == target->ss_family)&&((*mr)->via().ipsEqual(*via))) || (strcmp(tapdev,(*mr)->device())==0) ) ) {
 							haveRoute = true;
 							break;
@@ -1640,15 +1638,12 @@ public:
 				bool haveRoute = false;
 
 				// Ignore routes implied by local managed IPs since adding the IP adds the route
-				// Commented out to fix ticket #600 (disappearing routes on macOS). Remove this block when we're sure there's no side effects
-				/*
 				for(std::vector<InetAddress>::iterator ip(n.managedIps.begin());ip!=n.managedIps.end();++ip) {
 					if ((target->netmaskBits() == ip->netmaskBits())&&(target->containsAddress(*ip))) {
 						haveRoute = true;
 						break;
 					}
 				}
-				*/
 				if (haveRoute)
 					continue;