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This commit is contained in:
yaling888
2021-10-28 00:06:55 +08:00
parent 433d35e866
commit 2953772a0e
23 changed files with 280 additions and 545 deletions
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6
rule/geodata/memconservative/cache.go
View File

@ -2,7 +2,7 @@ package memconservative
import (
"fmt"
"io/ioutil"
"os"
"strings"
C "github.com/Dreamacro/clash/constant"
@ -54,7 +54,7 @@ func (g GeoIPCache) Unmarshal(filename, code string) (*router.GeoIP, error) {
case errFailedToReadBytes, errFailedToReadExpectedLenBytes,
errInvalidGeodataFile, errInvalidGeodataVarintLength:
log.Warnln("failed to decode geoip file: %s%s", filename, ", fallback to the original ReadFile method")
geoipBytes, err = ioutil.ReadFile(asset)
geoipBytes, err = os.ReadFile(asset)
if err != nil {
return nil, err
}
@ -119,7 +119,7 @@ func (g GeoSiteCache) Unmarshal(filename, code string) (*router.GeoSite, error)
case errFailedToReadBytes, errFailedToReadExpectedLenBytes,
errInvalidGeodataFile, errInvalidGeodataVarintLength:
log.Warnln("failed to decode geoip file: %s%s", filename, ", fallback to the original ReadFile method")
geositeBytes, err = ioutil.ReadFile(asset)
geositeBytes, err = os.ReadFile(asset)
if err != nil {
return nil, err
}

42
rule/geodata/router/condition.go
View File

@ -2,7 +2,6 @@ package router
import (
"fmt"
"net"
"strings"
"github.com/Dreamacro/clash/rule/geodata/strmatcher"
@ -69,44 +68,3 @@ func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
func (m *DomainMatcher) ApplyDomain(domain string) bool {
return len(m.matchers.Match(strings.ToLower(domain))) > 0
}
type MultiGeoIPMatcher struct {
matchers []*GeoIPMatcher
}
func NewMultiGeoIPMatcher(geoips []*GeoIP) (*MultiGeoIPMatcher, error) {
var matchers []*GeoIPMatcher
for _, geoip := range geoips {
matcher, err := globalGeoIPContainer.Add(geoip)
if err != nil {
return nil, err
}
matchers = append(matchers, matcher)
}
matcher := &MultiGeoIPMatcher{
matchers: matchers,
}
return matcher, nil
}
func (m *MultiGeoIPMatcher) ApplyIp(ip net.IP) bool {
for _, matcher := range m.matchers {
if matcher.Match(ip) {
return true
}
}
return false
}
func NewGeoIPMatcher(geoip *GeoIP) (*GeoIPMatcher, error) {
matcher, err := globalGeoIPContainer.Add(geoip)
if err != nil {
return nil, err
}
return matcher, nil
}

243
rule/geodata/router/condition_geoip.go
View File

@ -1,243 +0,0 @@
package router
import (
"encoding/binary"
"fmt"
"net"
"sort"
)
// CIDRList is an alias of []*CIDR to provide sort.Interface.
type CIDRList []*CIDR
// Len implements sort.Interface.
func (l *CIDRList) Len() int {
return len(*l)
}
// Less implements sort.Interface.
func (l *CIDRList) Less(i int, j int) bool {
ci := (*l)[i]
cj := (*l)[j]
if len(ci.Ip) < len(cj.Ip) {
return true
}
if len(ci.Ip) > len(cj.Ip) {
return false
}
for k := 0; k < len(ci.Ip); k++ {
if ci.Ip[k] < cj.Ip[k] {
return true
}
if ci.Ip[k] > cj.Ip[k] {
return false
}
}
return ci.Prefix < cj.Prefix
}
// Swap implements sort.Interface.
func (l *CIDRList) Swap(i int, j int) {
(*l)[i], (*l)[j] = (*l)[j], (*l)[i]
}
type ipv6 struct {
a uint64
b uint64
}
type GeoIPMatcher struct {
countryCode string
reverseMatch bool
ip4 []uint32
prefix4 []uint8
ip6 []ipv6
prefix6 []uint8
}
func normalize4(ip uint32, prefix uint8) uint32 {
return (ip >> (32 - prefix)) << (32 - prefix)
}
func normalize6(ip ipv6, prefix uint8) ipv6 {
if prefix <= 64 {
ip.a = (ip.a >> (64 - prefix)) << (64 - prefix)
ip.b = 0
} else {
ip.b = (ip.b >> (128 - prefix)) << (128 - prefix)
}
return ip
}
func (m *GeoIPMatcher) Init(cidrs []*CIDR) error {
ip4Count := 0
ip6Count := 0
for _, cidr := range cidrs {
ip := cidr.Ip
switch len(ip) {
case 4:
ip4Count++
case 16:
ip6Count++
default:
return fmt.Errorf("unexpect ip length: %d", len(ip))
}
}
cidrList := CIDRList(cidrs)
sort.Sort(&cidrList)
m.ip4 = make([]uint32, 0, ip4Count)
m.prefix4 = make([]uint8, 0, ip4Count)
m.ip6 = make([]ipv6, 0, ip6Count)
m.prefix6 = make([]uint8, 0, ip6Count)
for _, cidr := range cidrs {
ip := cidr.Ip
prefix := uint8(cidr.Prefix)
switch len(ip) {
case 4:
m.ip4 = append(m.ip4, normalize4(binary.BigEndian.Uint32(ip), prefix))
m.prefix4 = append(m.prefix4, prefix)
case 16:
ip6 := ipv6{
a: binary.BigEndian.Uint64(ip[0:8]),
b: binary.BigEndian.Uint64(ip[8:16]),
}
ip6 = normalize6(ip6, prefix)
m.ip6 = append(m.ip6, ip6)
m.prefix6 = append(m.prefix6, prefix)
}
}
return nil
}
func (m *GeoIPMatcher) SetReverseMatch(isReverseMatch bool) {
m.reverseMatch = isReverseMatch
}
func (m *GeoIPMatcher) match4(ip uint32) bool {
if len(m.ip4) == 0 {
return false
}
if ip < m.ip4[0] {
return false
}
size := uint32(len(m.ip4))
l := uint32(0)
r := size
for l < r {
x := ((l + r) >> 1)
if ip < m.ip4[x] {
r = x
continue
}
nip := normalize4(ip, m.prefix4[x])
if nip == m.ip4[x] {
return true
}
l = x + 1
}
return l > 0 && normalize4(ip, m.prefix4[l-1]) == m.ip4[l-1]
}
func less6(a ipv6, b ipv6) bool {
return a.a < b.a || (a.a == b.a && a.b < b.b)
}
func (m *GeoIPMatcher) match6(ip ipv6) bool {
if len(m.ip6) == 0 {
return false
}
if less6(ip, m.ip6[0]) {
return false
}
size := uint32(len(m.ip6))
l := uint32(0)
r := size
for l < r {
x := (l + r) / 2
if less6(ip, m.ip6[x]) {
r = x
continue
}
if normalize6(ip, m.prefix6[x]) == m.ip6[x] {
return true
}
l = x + 1
}
return l > 0 && normalize6(ip, m.prefix6[l-1]) == m.ip6[l-1]
}
// Match returns true if the given ip is included by the GeoIP.
func (m *GeoIPMatcher) Match(ip net.IP) bool {
switch len(ip) {
case 4:
if m.reverseMatch {
return !m.match4(binary.BigEndian.Uint32(ip))
}
return m.match4(binary.BigEndian.Uint32(ip))
case 16:
if m.reverseMatch {
return !m.match6(ipv6{
a: binary.BigEndian.Uint64(ip[0:8]),
b: binary.BigEndian.Uint64(ip[8:16]),
})
}
return m.match6(ipv6{
a: binary.BigEndian.Uint64(ip[0:8]),
b: binary.BigEndian.Uint64(ip[8:16]),
})
default:
return false
}
}
// GeoIPMatcherContainer is a container for GeoIPMatchers. It keeps unique copies of GeoIPMatcher by country code.
type GeoIPMatcherContainer struct {
matchers []*GeoIPMatcher
}
// Add adds a new GeoIP set into the container.
// If the country code of GeoIP is not empty, GeoIPMatcherContainer will try to find an existing one, instead of adding a new one.
func (c *GeoIPMatcherContainer) Add(geoip *GeoIP) (*GeoIPMatcher, error) {
if len(geoip.CountryCode) > 0 {
for _, m := range c.matchers {
if m.countryCode == geoip.CountryCode && m.reverseMatch == geoip.ReverseMatch {
return m, nil
}
}
}
m := &GeoIPMatcher{
countryCode: geoip.CountryCode,
reverseMatch: geoip.ReverseMatch,
}
if err := m.Init(geoip.Cidr); err != nil {
return nil, err
}
if len(geoip.CountryCode) > 0 {
c.matchers = append(c.matchers, m)
}
return m, nil
}
var globalGeoIPContainer GeoIPMatcherContainer

4
rule/geodata/standard/standard.go
View File

@ -2,7 +2,7 @@ package standard
import (
"fmt"
"io/ioutil"
"io"
"os"
"strings"
@ -19,7 +19,7 @@ func ReadFile(path string) ([]byte, error) {
}
defer reader.Close()
return ioutil.ReadAll(reader)
return io.ReadAll(reader)
}
func ReadAsset(file string) ([]byte, error) {

59
rule/geoip.go
View File

@ -1,22 +1,17 @@
package rules
import (
"fmt"
"strings"
"github.com/Dreamacro/clash/component/mmdb"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/rule/geodata"
"github.com/Dreamacro/clash/rule/geodata/router"
_ "github.com/Dreamacro/clash/rule/geodata/standard"
)
type GEOIP struct {
country string
adapter string
noResolveIP bool
ruleExtra *C.RuleExtra
geoIPMatcher *router.GeoIPMatcher
country string
adapter string
noResolveIP bool
ruleExtra *C.RuleExtra
}
func (g *GEOIP) RuleType() C.RuleType {
@ -29,10 +24,11 @@ func (g *GEOIP) Match(metadata *C.Metadata) bool {
return false
}
if strings.EqualFold(g.country, "LAN") {
if strings.EqualFold(g.country, "LAN") || C.TunBroadcastAddr.Equal(ip) {
return ip.IsPrivate()
}
return g.geoIPMatcher.Match(ip)
record, _ := mmdb.Instance().Country(ip)
return strings.EqualFold(record.Country.IsoCode, g.country)
}
func (g *GEOIP) Adapter() string {
@ -51,39 +47,16 @@ func (g *GEOIP) RuleExtra() *C.RuleExtra {
return g.ruleExtra
}
func (g *GEOIP) GetCountry() string {
return g.country
}
func NewGEOIP(country string, adapter string, noResolveIP bool, ruleExtra *C.RuleExtra) (*GEOIP, error) {
geoLoaderName := "standard"
//geoLoaderName := "memconservative"
geoLoader, err := geodata.GetGeoDataLoader(geoLoaderName)
if err != nil {
return nil, fmt.Errorf("[GeoIP] %s", err.Error())
}
records, err := geoLoader.LoadGeoIP(strings.ReplaceAll(country, "!", ""))
if err != nil {
return nil, fmt.Errorf("[GeoIP] %s", err.Error())
}
geoIP := &router.GeoIP{
CountryCode: country,
Cidr: records,
ReverseMatch: strings.Contains(country, "!"),
}
geoIPMatcher, err := router.NewGeoIPMatcher(geoIP)
if err != nil {
return nil, fmt.Errorf("[GeoIP] %s", err.Error())
}
log.Infoln("Start initial GeoIP rule %s => %s, records: %d", country, adapter, len(records))
geoip := &GEOIP{
country: country,
adapter: adapter,
noResolveIP: noResolveIP,
ruleExtra: ruleExtra,
geoIPMatcher: geoIPMatcher,
country: country,
adapter: adapter,
noResolveIP: noResolveIP,
ruleExtra: ruleExtra,
}
return geoip, nil

16
rule/geosite.go
View File

@ -49,24 +49,24 @@ func (gs *GEOSITE) RuleExtra() *C.RuleExtra {
func NewGEOSITE(country string, adapter string, ruleExtra *C.RuleExtra) (*GEOSITE, error) {
geoLoaderName := "standard"
//geoLoaderName := "memconservative"
geoLoader, err := geodata.GetGeoDataLoader(geoLoaderName)
if err != nil {
return nil, fmt.Errorf("[GeoSite] %s", err.Error())
return nil, fmt.Errorf("load GeoSite data error, %s", err.Error())
}
domains, err := geoLoader.LoadGeoSite(country)
if err != nil {
return nil, fmt.Errorf("[GeoSite] %s", err.Error())
return nil, fmt.Errorf("load GeoSite data error, %s", err.Error())
}
//linear: linear algorithm
//matcher, err := router.NewDomainMatcher(domains)
//mph：minimal perfect hash algorithm
/**
linear: linear algorithm
matcher, err := router.NewDomainMatcher(domains)
mph：minimal perfect hash algorithm
*/
matcher, err := router.NewMphMatcherGroup(domains)
if err != nil {
return nil, fmt.Errorf("[GeoSite] %s", err.Error())
return nil, fmt.Errorf("load GeoSite data error, %s", err.Error())
}
log.Infoln("Start initial GeoSite rule %s => %s, records: %d", country, adapter, len(domains))