[Feature]

1.Add Network rule, match network type(TCP/UDP)
2.Add logic rules(NOT,OR,AND)
-AND,((DOMAIN,baidu.com),(NETWORK,UDP)),REJECT

(cherry picked from commit d7092e2e37f2c48282c878edea1b2ebc2912b09a)

rule/common/domain.go

@@ -0,0 +1,48 @@
+package common
+
+import (
+	"strings"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type Domain struct {
+	domain    string
+	adapter   string
+	ruleExtra *C.RuleExtra
+}
+
+func (d *Domain) RuleType() C.RuleType {
+	return C.Domain
+}
+
+func (d *Domain) Match(metadata *C.Metadata) bool {
+	if metadata.AddrType != C.AtypDomainName {
+		return false
+	}
+	return metadata.Host == d.domain
+}
+
+func (d *Domain) Adapter() string {
+	return d.adapter
+}
+
+func (d *Domain) Payload() string {
+	return d.domain
+}
+
+func (d *Domain) ShouldResolveIP() bool {
+	return false
+}
+
+func (d *Domain) RuleExtra() *C.RuleExtra {
+	return d.ruleExtra
+}
+
+func NewDomain(domain string, adapter string, ruleExtra *C.RuleExtra) *Domain {
+	return &Domain{
+		domain:    strings.ToLower(domain),
+		adapter:   adapter,
+		ruleExtra: ruleExtra,
+	}
+}