chore: cleanup dns policy match code

config/config.go

@@ -20,9 +20,9 @@ import (
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/auth"
+	"github.com/metacubex/mihomo/component/cidr"
 	"github.com/metacubex/mihomo/component/fakeip"
 	"github.com/metacubex/mihomo/component/geodata"
-	"github.com/metacubex/mihomo/component/geodata/router"
 	P "github.com/metacubex/mihomo/component/process"
 	"github.com/metacubex/mihomo/component/resolver"
 	SNIFF "github.com/metacubex/mihomo/component/sniffer"
@@ -114,33 +114,25 @@ type NTP struct {
 
 // DNS config
 type DNS struct {
-	Enable                bool             `yaml:"enable"`
-	PreferH3              bool             `yaml:"prefer-h3"`
-	IPv6                  bool             `yaml:"ipv6"`
-	IPv6Timeout           uint             `yaml:"ipv6-timeout"`
-	UseSystemHosts        bool             `yaml:"use-system-hosts"`
-	NameServer            []dns.NameServer `yaml:"nameserver"`
-	Fallback              []dns.NameServer `yaml:"fallback"`
-	FallbackFilter        FallbackFilter   `yaml:"fallback-filter"`
-	Listen                string           `yaml:"listen"`
-	EnhancedMode          C.DNSMode        `yaml:"enhanced-mode"`
-	DefaultNameserver     []dns.NameServer `yaml:"default-nameserver"`
-	CacheAlgorithm        string           `yaml:"cache-algorithm"`
+	Enable                bool
+	PreferH3              bool
+	IPv6                  bool
+	IPv6Timeout           uint
+	UseSystemHosts        bool
+	NameServer            []dns.NameServer
+	Fallback              []dns.NameServer
+	FallbackIPFilter      []C.Rule
+	FallbackDomainFilter  []C.Rule
+	Listen                string
+	EnhancedMode          C.DNSMode
+	DefaultNameserver     []dns.NameServer
+	CacheAlgorithm        string
 	FakeIPRange           *fakeip.Pool
 	Hosts                 *trie.DomainTrie[resolver.HostValue]
-	NameServerPolicy      *orderedmap.OrderedMap[string, []dns.NameServer]
+	NameServerPolicy      []dns.Policy
 	ProxyServerNameserver []dns.NameServer
 }
 
-// FallbackFilter config
-type FallbackFilter struct {
-	GeoIP     bool                   `yaml:"geoip"`
-	GeoIPCode string                 `yaml:"geoip-code"`
-	IPCIDR    []netip.Prefix         `yaml:"ipcidr"`
-	Domain    []string               `yaml:"domain"`
-	GeoSite   []router.DomainMatcher `yaml:"geosite"`
-}
-
 // Profile config
 type Profile struct {
 	StoreSelected bool `yaml:"store-selected"`
@@ -1205,49 +1197,13 @@ func parsePureDNSServer(server string) string {
 	}
 }
 
-func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], ruleProviders map[string]providerTypes.RuleProvider, respectRules bool, preferH3 bool) (*orderedmap.OrderedMap[string, []dns.NameServer], error) {
-	policy := orderedmap.New[string, []dns.NameServer]()
-	updatedPolicy := orderedmap.New[string, any]()
+func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rules []C.Rule, ruleProviders map[string]providerTypes.RuleProvider, respectRules bool, preferH3 bool) ([]dns.Policy, error) {
+	var policy []dns.Policy
 	re := regexp.MustCompile(`[a-zA-Z0-9\-]+\.[a-zA-Z]{2,}(\.[a-zA-Z]{2,})?`)
 
 	for pair := nsPolicy.Oldest(); pair != nil; pair = pair.Next() {
 		k, v := pair.Key, pair.Value
-		if strings.Contains(strings.ToLower(k), ",") {
-			if strings.Contains(k, "geosite:") {
-				subkeys := strings.Split(k, ":")
-				subkeys = subkeys[1:]
-				subkeys = strings.Split(subkeys[0], ",")
-				for _, subkey := range subkeys {
-					newKey := "geosite:" + subkey
-					updatedPolicy.Store(newKey, v)
-				}
-			} else if strings.Contains(strings.ToLower(k), "rule-set:") {
-				subkeys := strings.Split(k, ":")
-				subkeys = subkeys[1:]
-				subkeys = strings.Split(subkeys[0], ",")
-				for _, subkey := range subkeys {
-					newKey := "rule-set:" + subkey
-					updatedPolicy.Store(newKey, v)
-				}
-			} else if re.MatchString(k) {
-				subkeys := strings.Split(k, ",")
-				for _, subkey := range subkeys {
-					updatedPolicy.Store(subkey, v)
-				}
-			}
-		} else {
-			if strings.Contains(strings.ToLower(k), "geosite:") {
-				updatedPolicy.Store("geosite:"+k[8:], v)
-			} else if strings.Contains(strings.ToLower(k), "rule-set:") {
-				updatedPolicy.Store("rule-set:"+k[9:], v)
-			}
-			updatedPolicy.Store(k, v)
-		}
-	}
-
-	for pair := updatedPolicy.Oldest(); pair != nil; pair = pair.Next() {
-		domain, server := pair.Key, pair.Value
-		servers, err := utils.ToStringSlice(server)
+		servers, err := utils.ToStringSlice(v)
 		if err != nil {
 			return nil, err
 		}
@@ -1255,75 +1211,65 @@ func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rulePro
 		if err != nil {
 			return nil, err
 		}
-		if _, valid := trie.ValidAndSplitDomain(domain); !valid {
-			return nil, fmt.Errorf("DNS ResoverRule invalid domain: %s", domain)
+		if strings.Contains(strings.ToLower(k), ",") {
+			if strings.Contains(k, "geosite:") {
+				subkeys := strings.Split(k, ":")
+				subkeys = subkeys[1:]
+				subkeys = strings.Split(subkeys[0], ",")
+				for _, subkey := range subkeys {
+					newKey := "geosite:" + subkey
+					policy = append(policy, dns.Policy{Domain: newKey, NameServers: nameservers})
 				}
+			} else if strings.Contains(strings.ToLower(k), "rule-set:") {
+				subkeys := strings.Split(k, ":")
+				subkeys = subkeys[1:]
+				subkeys = strings.Split(subkeys[0], ",")
+				for _, subkey := range subkeys {
+					newKey := "rule-set:" + subkey
+					policy = append(policy, dns.Policy{Domain: newKey, NameServers: nameservers})
+				}
+			} else if re.MatchString(k) {
+				subkeys := strings.Split(k, ",")
+				for _, subkey := range subkeys {
+					policy = append(policy, dns.Policy{Domain: subkey, NameServers: nameservers})
+				}
+			}
+		} else {
+			if strings.Contains(strings.ToLower(k), "geosite:") {
+				policy = append(policy, dns.Policy{Domain: "geosite:" + k[8:], NameServers: nameservers})
+			} else if strings.Contains(strings.ToLower(k), "rule-set:") {
+				policy = append(policy, dns.Policy{Domain: "rule-set:" + k[9:], NameServers: nameservers})
+			} else {
+				policy = append(policy, dns.Policy{Domain: k, NameServers: nameservers})
+			}
+		}
+	}
+
+	for idx, p := range policy {
+		domain, nameservers := p.Domain, p.NameServers
+
 		if strings.HasPrefix(domain, "rule-set:") {
 			domainSetName := domain[9:]
-			if provider, ok := ruleProviders[domainSetName]; !ok {
-				return nil, fmt.Errorf("not found rule-set: %s", domainSetName)
-			} else {
-				switch provider.Behavior() {
-				case providerTypes.IPCIDR:
-					return nil, fmt.Errorf("rule provider type error, except domain,actual %s", provider.Behavior())
-				case providerTypes.Classical:
-					log.Warnln("%s provider is %s, only matching it contain domain rule", provider.Name(), provider.Behavior())
-				}
-			}
-		}
-		policy.Store(domain, nameservers)
-	}
-
-	return policy, nil
-}
-
-func parseFallbackIPCIDR(ips []string) ([]netip.Prefix, error) {
-	var ipNets []netip.Prefix
-
-	for idx, ip := range ips {
-		ipnet, err := netip.ParsePrefix(ip)
-		if err != nil {
-			return nil, fmt.Errorf("DNS FallbackIP[%d] format error: %s", idx, err.Error())
-		}
-		ipNets = append(ipNets, ipnet)
-	}
-
-	return ipNets, nil
-}
-
-func parseFallbackGeoSite(countries []string, rules []C.Rule) ([]router.DomainMatcher, error) {
-	var sites []router.DomainMatcher
-	if len(countries) > 0 {
-		if err := geodata.InitGeoSite(); err != nil {
-			return nil, fmt.Errorf("can't initial GeoSite: %s", err)
-		}
-		log.Warnln("replace fallback-filter.geosite with nameserver-policy, it will be removed in the future")
-	}
-
-	for _, country := range countries {
-		found := false
-		for _, rule := range rules {
-			if rule.RuleType() == C.GEOSITE {
-				if strings.EqualFold(country, rule.Payload()) {
-					found = true
-					sites = append(sites, rule.(C.RuleGeoSite).GetDomainMatcher())
-					log.Infoln("Start initial GeoSite dns fallback filter from rule `%s`", country)
-				}
-			}
-		}
-
-		if !found {
-			matcher, recordsCount, err := geodata.LoadGeoSiteMatcher(country)
+			rule, err := parseDomainRuleSet(domainSetName, ruleProviders)
 			if err != nil {
 				return nil, err
 			}
-
-			sites = append(sites, matcher)
-
-			log.Infoln("Start initial GeoSite dns fallback filter `%s`, records: %d", country, recordsCount)
+			policy[idx] = dns.Policy{Rule: rule, NameServers: nameservers}
+		} else if strings.HasPrefix(domain, "geosite:") {
+			country := domain[8:]
+			rule, err := parseGEOSITE(country, rules)
+			if err != nil {
+				return nil, err
+			}
+			policy[idx] = dns.Policy{Rule: rule, NameServers: nameservers}
+		} else {
+			if _, valid := trie.ValidAndSplitDomain(domain); !valid {
+				return nil, fmt.Errorf("DNS ResoverRule invalid domain: %s", domain)
 			}
 		}
-	return sites, nil
+	}
+
+	return policy, nil
 }
 
 func paresNTP(rawCfg *RawConfig) *NTP {
@@ -1357,10 +1303,6 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		IPv6:           cfg.IPv6,
 		UseSystemHosts: cfg.UseSystemHosts,
 		EnhancedMode:   cfg.EnhancedMode,
-		FallbackFilter: FallbackFilter{
-			IPCIDR:  []netip.Prefix{},
-			GeoSite: []router.DomainMatcher{},
-		},
 	}
 	var err error
 	if dnsCfg.NameServer, err = parseNameServer(cfg.NameServer, cfg.RespectRules, cfg.PreferH3); err != nil {
@@ -1371,7 +1313,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		return nil, err
 	}
 
-	if dnsCfg.NameServerPolicy, err = parseNameServerPolicy(cfg.NameServerPolicy, ruleProviders, cfg.RespectRules, cfg.PreferH3); err != nil {
+	if dnsCfg.NameServerPolicy, err = parseNameServerPolicy(cfg.NameServerPolicy, rules, ruleProviders, cfg.RespectRules, cfg.PreferH3); err != nil {
 		return nil, err
 	}
 
@@ -1438,18 +1380,51 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		dnsCfg.FakeIPRange = pool
 	}
 
+	var rule C.Rule
 	if len(cfg.Fallback) != 0 {
-		dnsCfg.FallbackFilter.GeoIP = cfg.FallbackFilter.GeoIP
-		dnsCfg.FallbackFilter.GeoIPCode = cfg.FallbackFilter.GeoIPCode
-		if fallbackip, err := parseFallbackIPCIDR(cfg.FallbackFilter.IPCIDR); err == nil {
-			dnsCfg.FallbackFilter.IPCIDR = fallbackip
-		}
-		dnsCfg.FallbackFilter.Domain = cfg.FallbackFilter.Domain
-		fallbackGeoSite, err := parseFallbackGeoSite(cfg.FallbackFilter.GeoSite, rules)
+		if cfg.FallbackFilter.GeoIP {
+			rule, err = RC.NewGEOIP(cfg.FallbackFilter.GeoIPCode, "", false, true)
 			if err != nil {
-			return nil, fmt.Errorf("load GeoSite dns fallback filter error, %w", err)
+				return nil, fmt.Errorf("load GeoIP dns fallback filter error, %w", err)
+			}
+			dnsCfg.FallbackIPFilter = append(dnsCfg.FallbackIPFilter, rule)
+		}
+		if len(cfg.FallbackFilter.IPCIDR) > 0 {
+			cidrSet := cidr.NewIpCidrSet()
+			for idx, ipcidr := range cfg.FallbackFilter.IPCIDR {
+				err = cidrSet.AddIpCidrForString(ipcidr)
+				if err != nil {
+					return nil, fmt.Errorf("DNS FallbackIP[%d] format error: %w", idx, err)
+				}
+			}
+			err = cidrSet.Merge()
+			if err != nil {
+				return nil, err
+			}
+			rule = RP.NewIpCidrSet(cidrSet, "")
+			dnsCfg.FallbackIPFilter = append(dnsCfg.FallbackIPFilter, rule)
+		}
+		if len(cfg.FallbackFilter.Domain) > 0 {
+			domainTrie := trie.New[struct{}]()
+			for idx, domain := range cfg.FallbackFilter.Domain {
+				err = domainTrie.Insert(domain, struct{}{})
+				if err != nil {
+					return nil, fmt.Errorf("DNS FallbackDomain[%d] format error: %w", idx, err)
+				}
+			}
+			rule = RP.NewDomainSet(domainTrie.NewDomainSet(), "")
+			dnsCfg.FallbackIPFilter = append(dnsCfg.FallbackIPFilter, rule)
+		}
+		if len(cfg.FallbackFilter.GeoSite) > 0 {
+			log.Warnln("replace fallback-filter.geosite with nameserver-policy, it will be removed in the future")
+			for idx, geoSite := range cfg.FallbackFilter.GeoSite {
+				rule, err = parseGEOSITE(geoSite, rules)
+				if err != nil {
+					return nil, fmt.Errorf("DNS FallbackGeosite[%d] format error: %w", idx, err)
+				}
+				dnsCfg.FallbackIPFilter = append(dnsCfg.FallbackIPFilter, rule)
+			}
 		}
-		dnsCfg.FallbackFilter.GeoSite = fallbackGeoSite
 	}
 
 	if cfg.UseHosts {
@@ -1636,44 +1611,21 @@ func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], rules
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
 			for _, country := range subkeys {
-				found := false
-				for _, rule = range rules {
-					if rule.RuleType() == C.GEOSITE {
-						if strings.EqualFold(country, rule.Payload()) {
-							found = true
-							domainRules = append(domainRules, rule)
-						}
-					}
-				}
-				if !found {
-					rule, err = RC.NewGEOSITE(country, "")
+				rule, err = parseGEOSITE(country, rules)
 				if err != nil {
 					return nil, err
 				}
 				domainRules = append(domainRules, rule)
 			}
-			}
 		} else if strings.Contains(domainLower, "rule-set:") {
 			subkeys := strings.Split(domain, ":")
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
 			for _, domainSetName := range subkeys {
-				if rp, ok := ruleProviders[domainSetName]; !ok {
-					return nil, fmt.Errorf("not found rule-set: %s", domainSetName)
-				} else {
-					switch rp.Behavior() {
-					case providerTypes.IPCIDR:
-						return nil, fmt.Errorf("rule provider type error, except domain,actual %s", rp.Behavior())
-					case providerTypes.Classical:
-						log.Warnln("%s provider is %s, only matching it contain domain rule", rp.Name(), rp.Behavior())
-					default:
-					}
-				}
-				rule, err = RP.NewRuleSet(domainSetName, "", true)
+				rule, err = parseDomainRuleSet(domainSetName, ruleProviders)
 				if err != nil {
 					return nil, err
 				}
-
 				domainRules = append(domainRules, rule)
 			}
 		} else {
@@ -1692,3 +1644,29 @@ func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], rules
 	}
 	return
 }
+
+func parseDomainRuleSet(domainSetName string, ruleProviders map[string]providerTypes.RuleProvider) (C.Rule, error) {
+	if rp, ok := ruleProviders[domainSetName]; !ok {
+		return nil, fmt.Errorf("not found rule-set: %s", domainSetName)
+	} else {
+		switch rp.Behavior() {
+		case providerTypes.IPCIDR:
+			return nil, fmt.Errorf("rule provider type error, except domain,actual %s", rp.Behavior())
+		case providerTypes.Classical:
+			log.Warnln("%s provider is %s, only matching it contain domain rule", rp.Name(), rp.Behavior())
+		default:
+		}
+	}
+	return RP.NewRuleSet(domainSetName, "", true)
+}
+
+func parseGEOSITE(country string, rules []C.Rule) (C.Rule, error) {
+	for _, rule := range rules {
+		if rule.RuleType() == C.GEOSITE {
+			if strings.EqualFold(country, rule.Payload()) {
+				return rule, nil
+			}
+		}
+	}
+	return RC.NewGEOSITE(country, "")
+}

constant/rule.go

@@ -28,6 +28,7 @@ const (
 	ProcessPathRegex
 	RuleSet
 	DomainSet
+	IpCidrSet
 	Network
 	Uid
 	SubRules
@@ -93,6 +94,8 @@ func (rt RuleType) String() string {
 		return "RuleSet"
 	case DomainSet:
 		return "DomainSet"
+	case IpCidrSet:
+		return "IpCidrSet"
 	case Network:
 		return "Network"
 	case DSCP:
@@ -121,3 +124,8 @@ type Rule interface {
 	ShouldFindProcess() bool
 	ProviderNames() []string
 }
+
+type RuleGroup interface {
+	Rule
+	GetRecodeSize() int
+}

constant/rule_extra.go

@@ -1,17 +0,0 @@
-package constant
-
-import (
-	"github.com/metacubex/mihomo/component/geodata/router"
-)
-
-type RuleGeoSite interface {
-	GetDomainMatcher() router.DomainMatcher
-}
-
-type RuleGeoIP interface {
-	GetIPMatcher() *router.GeoIPMatcher
-}
-
-type RuleGroup interface {
-	GetRecodeSize() int
-}

dns/filters.go

@@ -1,102 +0,0 @@
-package dns
-
-import (
-	"net/netip"
-	"strings"
-
-	"github.com/metacubex/mihomo/component/geodata"
-	"github.com/metacubex/mihomo/component/geodata/router"
-	"github.com/metacubex/mihomo/component/mmdb"
-	"github.com/metacubex/mihomo/component/trie"
-	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/log"
-)
-
-type fallbackIPFilter interface {
-	Match(netip.Addr) bool
-}
-
-type geoipFilter struct {
-	code string
-}
-
-var geoIPMatcher *router.GeoIPMatcher
-
-func (gf *geoipFilter) Match(ip netip.Addr) bool {
-	if !C.GeodataMode {
-		codes := mmdb.IPInstance().LookupCode(ip.AsSlice())
-		for _, code := range codes {
-			if !strings.EqualFold(code, gf.code) && !ip.IsPrivate() {
-				return true
-			}
-		}
-		return false
-	}
-
-	if geoIPMatcher == nil {
-		var err error
-		geoIPMatcher, _, err = geodata.LoadGeoIPMatcher("CN")
-		if err != nil {
-			log.Errorln("[GeoIPFilter] LoadGeoIPMatcher error: %s", err.Error())
-			return false
-		}
-	}
-	return !geoIPMatcher.Match(ip)
-}
-
-type ipnetFilter struct {
-	ipnet netip.Prefix
-}
-
-func (inf *ipnetFilter) Match(ip netip.Addr) bool {
-	return inf.ipnet.Contains(ip)
-}
-
-type fallbackDomainFilter interface {
-	Match(domain string) bool
-}
-
-type domainFilter struct {
-	tree *trie.DomainTrie[struct{}]
-}
-
-func NewDomainFilter(domains []string) *domainFilter {
-	df := domainFilter{tree: trie.New[struct{}]()}
-	for _, domain := range domains {
-		_ = df.tree.Insert(domain, struct{}{})
-	}
-	df.tree.Optimize()
-	return &df
-}
-
-func (df *domainFilter) Match(domain string) bool {
-	return df.tree.Search(domain) != nil
-}
-
-type geoSiteFilter struct {
-	matchers []router.DomainMatcher
-}
-
-func NewGeoSite(group string) (fallbackDomainFilter, error) {
-	if err := geodata.InitGeoSite(); err != nil {
-		log.Errorln("can't initial GeoSite: %s", err)
-		return nil, err
-	}
-	matcher, _, err := geodata.LoadGeoSiteMatcher(group)
-	if err != nil {
-		return nil, err
-	}
-	filter := &geoSiteFilter{
-		matchers: []router.DomainMatcher{matcher},
-	}
-	return filter, nil
-}
-
-func (gsf *geoSiteFilter) Match(domain string) bool {
-	for _, matcher := range gsf.matchers {
-		if matcher.ApplyDomain(domain) {
-			return true
-		}
-	}
-	return false
-}

dns/policy.go

@@ -3,7 +3,6 @@ package dns
 import (
 	"github.com/metacubex/mihomo/component/trie"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
 )
 
 type dnsPolicy interface {
@@ -22,32 +21,14 @@ func (p domainTriePolicy) Match(domain string) []dnsClient {
 	return nil
 }
 
-type geositePolicy struct {
-	matcher    fallbackDomainFilter
-	inverse    bool
+type domainRulePolicy struct {
+	rule       C.Rule
 	dnsClients []dnsClient
 }
 
-func (p geositePolicy) Match(domain string) []dnsClient {
-	matched := p.matcher.Match(domain)
-	if matched != p.inverse {
+func (p domainRulePolicy) Match(domain string) []dnsClient {
+	if ok, _ := p.rule.Match(&C.Metadata{Host: domain}); ok {
 		return p.dnsClients
 	}
 	return nil
 }
-
-type domainSetPolicy struct {
-	tunnel     provider.Tunnel
-	name       string
-	dnsClients []dnsClient
-}
-
-func (p domainSetPolicy) Match(domain string) []dnsClient {
-	if ruleProvider, ok := p.tunnel.RuleProviders()[p.name]; ok {
-		metadata := &C.Metadata{Host: domain}
-		if ok := ruleProvider.Match(metadata); ok {
-			return p.dnsClients
-		}
-	}
-	return nil
-}

dns/resolver.go

@@ -4,13 +4,11 @@ import (
 	"context"
 	"errors"
 	"net/netip"
-	"strings"
 	"time"
 
 	"github.com/metacubex/mihomo/common/arc"
 	"github.com/metacubex/mihomo/common/lru"
 	"github.com/metacubex/mihomo/component/fakeip"
-	"github.com/metacubex/mihomo/component/geodata/router"
 	"github.com/metacubex/mihomo/component/resolver"
 	"github.com/metacubex/mihomo/component/trie"
 	C "github.com/metacubex/mihomo/constant"
@@ -19,7 +17,6 @@ import (
 
 	D "github.com/miekg/dns"
 	"github.com/samber/lo"
-	orderedmap "github.com/wk8/go-ordered-map/v2"
 	"golang.org/x/exp/maps"
 	"golang.org/x/sync/singleflight"
 )
@@ -45,8 +42,8 @@ type Resolver struct {
 	hosts                 *trie.DomainTrie[resolver.HostValue]
 	main                  []dnsClient
 	fallback              []dnsClient
-	fallbackDomainFilters []fallbackDomainFilter
-	fallbackIPFilters     []fallbackIPFilter
+	fallbackDomainFilters []C.Rule
+	fallbackIPFilters     []C.Rule
 	group                 singleflight.Group
 	cache                 dnsCache
 	policy                []dnsPolicy
@@ -122,7 +119,7 @@ func (r *Resolver) LookupIPv6(ctx context.Context, host string) ([]netip.Addr, e
 
 func (r *Resolver) shouldIPFallback(ip netip.Addr) bool {
 	for _, filter := range r.fallbackIPFilters {
-		if filter.Match(ip) {
+		if ok, _ := filter.Match(&C.Metadata{DstIP: ip}); ok {
 			return true
 		}
 	}
@@ -277,7 +274,7 @@ func (r *Resolver) shouldOnlyQueryFallback(m *D.Msg) bool {
 	}
 
 	for _, df := range r.fallbackDomainFilters {
-		if df.Match(domain) {
+		if ok, _ := df.Match(&C.Metadata{Host: domain}); ok {
 			return true
 		}
 	}
@@ -398,12 +395,10 @@ func (ns NameServer) Equal(ns2 NameServer) bool {
 	return false
 }
 
-type FallbackFilter struct {
-	GeoIP     bool
-	GeoIPCode string
-	IPCIDR    []netip.Prefix
-	Domain    []string
-	GeoSite   []router.DomainMatcher
+type Policy struct {
+	Domain      string
+	Rule        C.Rule
+	NameServers []NameServer
 }
 
 type Config struct {
@@ -413,10 +408,11 @@ type Config struct {
 	IPv6                 bool
 	IPv6Timeout          uint
 	EnhancedMode         C.DNSMode
-	FallbackFilter FallbackFilter
+	FallbackIPFilter     []C.Rule
+	FallbackDomainFilter []C.Rule
 	Pool                 *fakeip.Pool
 	Hosts                *trie.DomainTrie[resolver.HostValue]
-	Policy         *orderedmap.OrderedMap[string, []NameServer]
+	Policy               []Policy
 	Tunnel               provider.Tunnel
 	CacheAlgorithm       string
 }
@@ -482,7 +478,7 @@ func NewResolver(config Config) *Resolver {
 		r.proxyServer = cacheTransform(config.ProxyServer)
 	}
 
-	if config.Policy.Len() != 0 {
+	if len(config.Policy) != 0 {
 		r.policy = make([]dnsPolicy, 0)
 
 		var triePolicy *trie.DomainTrie[[]dnsClient]
@@ -497,75 +493,20 @@ func NewResolver(config Config) *Resolver {
 			}
 		}
 
-		for pair := config.Policy.Oldest(); pair != nil; pair = pair.Next() {
-			domain, nameserver := pair.Key, pair.Value
-
-			if temp := strings.Split(domain, ":"); len(temp) == 2 {
-				prefix := temp[0]
-				key := temp[1]
-				switch prefix {
-				case "rule-set":
-					if _, ok := config.Tunnel.RuleProviders()[key]; ok {
-						log.Debugln("Adding rule-set policy: %s ", key)
-						insertPolicy(domainSetPolicy{
-							tunnel:     config.Tunnel,
-							name:       key,
-							dnsClients: cacheTransform(nameserver),
-						})
-						continue
+		for _, policy := range config.Policy {
+			if policy.Rule != nil {
+				insertPolicy(domainRulePolicy{rule: policy.Rule, dnsClients: cacheTransform(policy.NameServers)})
 			} else {
-						log.Warnln("Can't found ruleset policy: %s", key)
-					}
-				case "geosite":
-					inverse := false
-					if strings.HasPrefix(key, "!") {
-						inverse = true
-						key = key[1:]
-					}
-					log.Debugln("Adding geosite policy: %s inversed %t", key, inverse)
-					matcher, err := NewGeoSite(key)
-					if err != nil {
-						log.Warnln("adding geosite policy %s error: %s", key, err)
-						continue
-					}
-					insertPolicy(geositePolicy{
-						matcher:    matcher,
-						inverse:    inverse,
-						dnsClients: cacheTransform(nameserver),
-					})
-					continue // skip triePolicy new
-				}
-			}
 				if triePolicy == nil {
 					triePolicy = trie.New[[]dnsClient]()
 				}
-			_ = triePolicy.Insert(domain, cacheTransform(nameserver))
+				_ = triePolicy.Insert(policy.Domain, cacheTransform(policy.NameServers))
+			}
 		}
 		insertPolicy(nil)
 	}
-
-	fallbackIPFilters := []fallbackIPFilter{}
-	if config.FallbackFilter.GeoIP {
-		fallbackIPFilters = append(fallbackIPFilters, &geoipFilter{
-			code: config.FallbackFilter.GeoIPCode,
-		})
-	}
-	for _, ipnet := range config.FallbackFilter.IPCIDR {
-		fallbackIPFilters = append(fallbackIPFilters, &ipnetFilter{ipnet: ipnet})
-	}
-	r.fallbackIPFilters = fallbackIPFilters
-
-	fallbackDomainFilters := []fallbackDomainFilter{}
-	if len(config.FallbackFilter.Domain) != 0 {
-		fallbackDomainFilters = append(fallbackDomainFilters, NewDomainFilter(config.FallbackFilter.Domain))
-	}
-
-	if len(config.FallbackFilter.GeoSite) != 0 {
-		fallbackDomainFilters = append(fallbackDomainFilters, &geoSiteFilter{
-			matchers: config.FallbackFilter.GeoSite,
-		})
-	}
-	r.fallbackDomainFilters = fallbackDomainFilters
+	r.fallbackIPFilters = config.FallbackIPFilter
+	r.fallbackDomainFilters = config.FallbackDomainFilter
 
 	return r
 }

hub/executor/executor.go

@@ -229,13 +229,8 @@ func updateDNS(c *config.DNS, generalIPv6 bool) {
 		EnhancedMode:         c.EnhancedMode,
 		Pool:                 c.FakeIPRange,
 		Hosts:                c.Hosts,
-		FallbackFilter: dns.FallbackFilter{
-			GeoIP:     c.FallbackFilter.GeoIP,
-			GeoIPCode: c.FallbackFilter.GeoIPCode,
-			IPCIDR:    c.FallbackFilter.IPCIDR,
-			Domain:    c.FallbackFilter.Domain,
-			GeoSite:   c.FallbackFilter.GeoSite,
-		},
+		FallbackIPFilter:     c.FallbackIPFilter,
+		FallbackDomainFilter: c.FallbackDomainFilter,
 		Default:              c.DefaultNameserver,
 		Policy:               c.NameServerPolicy,
 		ProxyServer:          c.ProxyServerNameserver,

rules/provider/domain_set.go

@@ -19,10 +19,7 @@ func (d *DomainSet) RuleType() C.RuleType {
 }
 
 func (d *DomainSet) Match(metadata *C.Metadata) (bool, string) {
-	if d.domainSet == nil {
-		return false, ""
-	}
-	return d.domainSet.Has(metadata.RuleHost()), d.adapter
+	return d.domainStrategy.Match(metadata), d.adapter
 }
 
 func (d *DomainSet) Adapter() string {

rules/provider/ipcidr_set.go

@@ -0,0 +1,40 @@
+package provider
+
+import (
+	"github.com/metacubex/mihomo/component/cidr"
+	C "github.com/metacubex/mihomo/constant"
+)
+
+type IpCidrSet struct {
+	*ipcidrStrategy
+	adapter string
+}
+
+func (d *IpCidrSet) ProviderNames() []string {
+	return nil
+}
+
+func (d *IpCidrSet) RuleType() C.RuleType {
+	return C.IpCidrSet
+}
+
+func (d *IpCidrSet) Match(metadata *C.Metadata) (bool, string) {
+	return d.ipcidrStrategy.Match(metadata), d.adapter
+}
+
+func (d *IpCidrSet) Adapter() string {
+	return d.adapter
+}
+
+func (d *IpCidrSet) Payload() string {
+	return ""
+}
+
+func NewIpCidrSet(cidrSet *cidr.IpCidrSet, adapter string) *IpCidrSet {
+	return &IpCidrSet{
+		ipcidrStrategy: &ipcidrStrategy{cidrSet: cidrSet},
+		adapter:        adapter,
+	}
+}
+
+var _ C.Rule = (*IpCidrSet)(nil)