Chore: embed the RuleExtra into Base

component/process/process.go

@@ -3,6 +3,8 @@ package process
 import (
 	"errors"
 	"net"
+
+	C "github.com/Dreamacro/clash/constant"
 )
 
 var (
@@ -19,3 +21,45 @@ const (
 func FindProcessName(network string, srcIP net.IP, srcPort int) (string, error) {
 	return findProcessName(network, srcIP, srcPort)
 }
+
+func ShouldFindProcess(metadata *C.Metadata) bool {
+	if metadata.Process != "" {
+		return false
+	}
+	for _, ip := range localIPs {
+		if ip.Equal(metadata.SrcIP) {
+			return true
+		}
+	}
+	return false
+}
+
+func getLocalIPs() []net.IP {
+	ips := []net.IP{net.IPv4(198, 18, 0, 1), net.IPv4zero, net.IPv6zero}
+
+	netInterfaces, err := net.Interfaces()
+	if err != nil {
+		ips = append(ips, net.IPv4(127, 0, 0, 1), net.IPv6loopback)
+		return ips
+	}
+
+	for i := 0; i < len(netInterfaces); i++ {
+		if (netInterfaces[i].Flags & net.FlagUp) != 0 {
+			adds, _ := netInterfaces[i].Addrs()
+
+			for _, address := range adds {
+				if ipNet, ok := address.(*net.IPNet); ok {
+					ips = append(ips, ipNet.IP)
+				}
+			}
+		}
+	}
+
+	return ips
+}
+
+var localIPs []net.IP
+
+func init() {
+	localIPs = getLocalIPs()
+}