Some refines related to direct/freedom and targetStrategy; More intelligent "useIP"/"ForceIP", enhance "origin" functionality (#5030)

https://github.com/XTLS/Xray-core/pull/5009#issuecomment-3194264277

infra/conf/freedom.go

@@ -11,6 +11,7 @@ import (
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/proxy/freedom"
 	"google.golang.org/protobuf/proto"
+	"github.com/xtls/xray-core/transport/internet"
 )
 
 type FreedomConfig struct {
@@ -47,27 +48,27 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 	}
 	switch strings.ToLower(targetStrategy) {
 	case "asis", "":
-		config.DomainStrategy = freedom.Config_AS_IS
+		config.DomainStrategy = internet.DomainStrategy_AS_IS
 	case "useip":
-		config.DomainStrategy = freedom.Config_USE_IP
+		config.DomainStrategy = internet.DomainStrategy_USE_IP
 	case "useipv4":
-		config.DomainStrategy = freedom.Config_USE_IP4
+		config.DomainStrategy = internet.DomainStrategy_USE_IP4
 	case "useipv6":
-		config.DomainStrategy = freedom.Config_USE_IP6
+		config.DomainStrategy = internet.DomainStrategy_USE_IP6
 	case "useipv4v6":
-		config.DomainStrategy = freedom.Config_USE_IP46
+		config.DomainStrategy = internet.DomainStrategy_USE_IP46
 	case "useipv6v4":
-		config.DomainStrategy = freedom.Config_USE_IP64
+		config.DomainStrategy = internet.DomainStrategy_USE_IP64
 	case "forceip":
-		config.DomainStrategy = freedom.Config_FORCE_IP
+		config.DomainStrategy = internet.DomainStrategy_FORCE_IP
 	case "forceipv4":
-		config.DomainStrategy = freedom.Config_FORCE_IP4
+		config.DomainStrategy = internet.DomainStrategy_FORCE_IP4
 	case "forceipv6":
-		config.DomainStrategy = freedom.Config_FORCE_IP6
+		config.DomainStrategy = internet.DomainStrategy_FORCE_IP6
 	case "forceipv4v6":
-		config.DomainStrategy = freedom.Config_FORCE_IP46
+		config.DomainStrategy = internet.DomainStrategy_FORCE_IP46
 	case "forceipv6v4":
-		config.DomainStrategy = freedom.Config_FORCE_IP64
+		config.DomainStrategy = internet.DomainStrategy_FORCE_IP64
 	default:
 		return nil, errors.New("unsupported domain strategy: ", targetStrategy)
 	}

infra/conf/freedom_test.go

@@ -7,6 +7,7 @@ import (
 	"github.com/xtls/xray-core/common/protocol"
 	. "github.com/xtls/xray-core/infra/conf"
 	"github.com/xtls/xray-core/proxy/freedom"
+	"github.com/xtls/xray-core/transport/internet"
 )
 
 func TestFreedomConfig(t *testing.T) {
@@ -23,7 +24,7 @@ func TestFreedomConfig(t *testing.T) {
 			}`,
 			Parser: loadJSON(creator),
 			Output: &freedom.Config{
-				DomainStrategy: freedom.Config_AS_IS,
+				DomainStrategy: internet.DomainStrategy_AS_IS,
 				DestinationOverride: &freedom.DestinationOverride{
 					Server: &protocol.ServerEndpoint{
 						Address: &net.IPOrDomain{