Feature: process condition for rules

rule/base.go

@@ -3,6 +3,7 @@ package rules
 import (
 	"errors"
 	"net"
+	"strings"
 
 	C "github.com/Dreamacro/clash/constant"
 )
@@ -24,9 +25,9 @@ func HasNoResolve(params []string) bool {
 
 func findNetwork(params []string) C.NetWork {
 	for _, p := range params {
-		if p == "tcp" {
+		if strings.EqualFold(p, "tcp") {
 			return C.TCP
-		} else if p == "udp" {
+		} else if strings.EqualFold(p, "udp") {
 			return C.UDP
 		}
 	}
@@ -51,3 +52,17 @@ func findSourceIPs(params []string) []*net.IPNet {
 	}
 	return nil
 }
+
+func findProcessName(params []string) []string {
+	var processNames []string
+	for _, p := range params {
+		if strings.HasPrefix(p, "P:") {
+			processNames = append(processNames, strings.TrimPrefix(p, "P:"))
+		}
+	}
+
+	if len(processNames) > 0 {
+		return processNames
+	}
+	return nil
+}

rule/geoip.go

@@ -24,9 +24,14 @@ func (g *GEOIP) Match(metadata *C.Metadata) bool {
 		return false
 	}
 
-	if strings.EqualFold(g.country, "LAN") || C.TunBroadcastAddr.Equal(ip) {
-		return ip.IsPrivate()
+	if strings.EqualFold(g.country, "LAN") {
+		return ip.IsPrivate() ||
+			ip.IsUnspecified() ||
+			ip.IsLoopback() ||
+			ip.IsMulticast() ||
+			C.TunBroadcastAddr.Equal(ip)
 	}
+
 	record, _ := mmdb.Instance().Country(ip)
 	return strings.EqualFold(record.Country.IsoCode, g.country)
 }

rule/parser.go

@@ -13,8 +13,9 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
 	)
 
 	ruleExtra := &C.RuleExtra{
-		Network:   findNetwork(params),
-		SourceIPs: findSourceIPs(params),
+		Network:      findNetwork(params),
+		SourceIPs:    findSourceIPs(params),
+		ProcessNames: findProcessName(params),
 	}
 
 	switch tp {