[fix]code

This commit is contained in:
gVisor bot 2021-12-02 03:39:37 +08:00
parent 0b4e8e4bca
commit d68d6467f3
14 changed files with 798 additions and 17 deletions

View file

@ -26,7 +26,7 @@ type fetcher struct {
done chan struct{}
hash [16]byte
parser parser
onUpdate func(interface{})
onUpdate func(interface{}) error
}
func (f *fetcher) Name() string {
@ -167,7 +167,7 @@ func safeWrite(path string, buf []byte) error {
return os.WriteFile(path, buf, fileMode)
}
func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(interface{})) *fetcher {
func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(interface{}) error) *fetcher {
var ticker *time.Ticker
if interval != 0 {
ticker = time.NewTicker(interval)

View file

@ -60,3 +60,44 @@ func ParseProxyProvider(name string, mapping map[string]interface{}) (types.Prox
interval := time.Duration(uint(schema.Interval)) * time.Second
return NewProxySetProvider(name, interval, vehicle, hc), nil
}
type ruleProviderSchema struct {
Type string `provider:"type"`
Behavior string `provider:"behavior"`
Path string `provider:"path"`
URL string `provider:"url,omitempty"`
Interval int `provider:"interval,omitempty"`
}
func ParseRuleProvider(name string, mapping map[string]interface{}) (types.RuleProvider, error) {
schema := &ruleProviderSchema{}
decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
if err := decoder.Decode(mapping, schema); err != nil {
return nil, err
}
var behavior Behavior
switch schema.Behavior {
case "domain":
behavior = Domain
case "ipcidr":
behavior = IPCIDR
case "classical":
behavior = Classical
default:
return nil, fmt.Errorf("unsupported behavior type: %s", schema.Behavior)
}
path := C.Path.Resolve(schema.Path)
var vehicle types.Vehicle
switch schema.Type {
case "file":
vehicle = NewFileVehicle(path)
case "http":
vehicle = NewHTTPVehicle(schema.URL, path)
default:
return nil, fmt.Errorf("unsupported vehicle type: %s", schema.Type)
}
interval := time.Duration(uint(schema.Interval)) * time.Second
return NewRuleSetProvider(name, behavior, interval, vehicle), nil
}

View file

@ -4,7 +4,9 @@ import (
"encoding/json"
"errors"
"fmt"
"github.com/Dreamacro/clash/component/trie"
"runtime"
"strings"
"time"
"github.com/Dreamacro/clash/adapter"
@ -132,9 +134,10 @@ func NewProxySetProvider(name string, interval time.Duration, vehicle types.Vehi
healthCheck: hc,
}
onUpdate := func(elm interface{}) {
onUpdate := func(elm interface{}) error {
ret := elm.([]C.Proxy)
pd.setProxies(ret)
return nil
}
fetcher := newFetcher(name, interval, vehicle, proxiesParse, onUpdate)
@ -221,3 +224,278 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
runtime.SetFinalizer(wrapper, stopCompatibleProvider)
return wrapper, nil
}
// Rule
type Behavior int
var (
parse = func(ruleType, rule string, params []string) (C.Rule, error) {
return nil, errors.New("unimplemented function")
}
ruleProviders = map[string]types.RuleProvider{}
)
func SetClassicalRuleParser(function func(ruleType, rule string, params []string) (C.Rule, error)) {
parse = function
}
func RuleProviders() map[string]types.RuleProvider {
return ruleProviders
}
func SetRuleProvider(ruleProvider types.RuleProvider) {
if ruleProvider != nil {
ruleProviders[(ruleProvider).Name()] = ruleProvider
}
}
type ruleSetProvider struct {
*fetcher
behavior Behavior
count int
DomainRules *trie.DomainTrie
IPCIDRRules *trie.IpCidrTrie
ClassicalRules []C.Rule
}
type RuleSetProvider struct {
*ruleSetProvider
}
func (r RuleSetProvider) Behavior() types.RuleType {
//TODO implement me
panic("implement me")
}
func (r RuleSetProvider) ShouldResolveIP() bool {
//TODO implement me
panic("implement me")
}
func (r RuleSetProvider) AsRule(adaptor string) C.Rule {
//TODO implement me
panic("implement me")
}
func NewRuleSetProvider(name string, behavior Behavior, interval time.Duration, vehicle types.Vehicle) *RuleSetProvider {
rp := &ruleSetProvider{
behavior: behavior,
}
onUpdate := func(elm interface{}) error {
rulesRaw := elm.([]string)
rp.count = len(rulesRaw)
rules, err := constructRules(rp.behavior, rulesRaw)
if err != nil {
return err
}
rp.setRules(rules)
return nil
}
fetcher := newFetcher(name, interval, vehicle, rulesParse, onUpdate)
rp.fetcher = fetcher
wrapper := &RuleSetProvider{
rp,
}
runtime.SetFinalizer(wrapper, stopRuleSetProvider)
return wrapper
}
func (rp *ruleSetProvider) Name() string {
return rp.name
}
func (rp *ruleSetProvider) RuleCount() int {
return rp.count
}
const (
Domain = iota
IPCIDR
Classical
)
// RuleType defined
func (b Behavior) String() string {
switch b {
case Domain:
return "Domain"
case IPCIDR:
return "IPCIDR"
case Classical:
return "Classical"
default:
return ""
}
}
func (rp *ruleSetProvider) Match(metadata *C.Metadata) bool {
switch rp.behavior {
case Domain:
return rp.DomainRules.Search(metadata.Host) != nil
case IPCIDR:
return rp.IPCIDRRules.IsContain(metadata.DstIP)
case Classical:
for _, rule := range rp.ClassicalRules {
if rule.Match(metadata) {
return true
}
}
return false
default:
return false
}
}
func (rp *ruleSetProvider) Behavior() Behavior {
return rp.behavior
}
func (rp *ruleSetProvider) VehicleType() types.VehicleType {
return rp.vehicle.Type()
}
func (rp *ruleSetProvider) Type() types.ProviderType {
return types.Rule
}
func (rp *ruleSetProvider) Initial() error {
elm, err := rp.fetcher.Initial()
if err != nil {
return err
}
return rp.fetcher.onUpdate(elm)
}
func (rp *ruleSetProvider) Update() error {
elm, same, err := rp.fetcher.Update()
if err == nil && !same {
return rp.fetcher.onUpdate(elm)
}
return err
}
func (rp *ruleSetProvider) setRules(rules interface{}) {
switch rp.behavior {
case Domain:
rp.DomainRules = rules.(*trie.DomainTrie)
case Classical:
rp.ClassicalRules = rules.([]C.Rule)
case IPCIDR:
rp.IPCIDRRules = rules.(*trie.IpCidrTrie)
default:
}
}
func (rp *ruleSetProvider) MarshalJSON() ([]byte, error) {
return json.Marshal(
map[string]interface{}{
"behavior": rp.behavior.String(),
"name": rp.Name(),
"ruleCount": rp.RuleCount(),
"type": rp.Type().String(),
"updatedAt": rp.updatedAt,
"vehicleType": rp.VehicleType().String(),
})
}
type RulePayload struct {
/**
key: Domain or IP Cidr
value: Rule type or is empty
*/
Rules []string `yaml:"payload"`
}
func rulesParse(buf []byte) (interface{}, error) {
rulePayload := RulePayload{}
err := yaml.Unmarshal(buf, &rulePayload)
if err != nil {
return nil, err
}
return rulePayload.Rules, nil
}
func constructRules(behavior Behavior, rules []string) (interface{}, error) {
switch behavior {
case Domain:
return handleDomainRules(rules)
case IPCIDR:
return handleIpCidrRules(rules)
case Classical:
return handleClassicalRules(rules)
default:
return nil, errors.New("unknown behavior type")
}
}
func handleDomainRules(rules []string) (interface{}, error) {
domainRules := trie.New()
for _, rawRule := range rules {
ruleType, rule, _ := ruleParse(rawRule)
if ruleType != "" {
return nil, errors.New("error format of domain")
}
if err := domainRules.Insert(rule, ""); err != nil {
return nil, err
}
}
return domainRules, nil
}
func handleIpCidrRules(rules []string) (interface{}, error) {
ipCidrRules := trie.NewIpCidrTrie()
for _, rawRule := range rules {
ruleType, rule, _ := ruleParse(rawRule)
if ruleType != "" {
return nil, errors.New("error format of ip-cidr")
}
if err := ipCidrRules.AddIpCidrForString(rule); err != nil {
return nil, err
}
}
return ipCidrRules, nil
}
func handleClassicalRules(rules []string) (interface{}, error) {
var classicalRules []C.Rule
for _, rawRule := range rules {
ruleType, rule, params := ruleParse(rawRule)
if ruleType == "RULE-SET" {
return nil, errors.New("error rule type")
}
r, err := parse(ruleType, rule, params)
if err != nil {
return nil, err
}
classicalRules = append(classicalRules, r)
}
return classicalRules, nil
}
func ruleParse(ruleRaw string) (string, string, []string) {
item := strings.Split(ruleRaw, ",")
if len(item) == 1 {
return "", item[0], nil
} else if len(item) == 2 {
return item[0], item[1], nil
} else if len(item) > 2 {
return item[0], item[1], item[2:]
}
return "", "", nil
}
func stopRuleSetProvider(rp *RuleSetProvider) {
rp.fetcher.Destroy()
}

View file

@ -0,0 +1,58 @@
package provider
import (
"github.com/Dreamacro/clash/constant"
rules "github.com/Dreamacro/clash/rule"
"github.com/stretchr/testify/assert"
"net"
"testing"
"time"
)
func setup() {
SetClassicalRuleParser(func(ruleType, rule string, params []string) (constant.Rule, error) {
if params == nil {
params = make([]string, 0)
}
return rules.ParseRule(ruleType, rule, "", params)
})
}
func TestDomain(t *testing.T) {
setup()
domainProvider := NewRuleSetProvider("test", Domain,
time.Duration(uint(100000)), NewFileVehicle("./domain.txt"))
assert.Nil(t, domainProvider.Initial())
assert.True(t, domainProvider.Match(&constant.Metadata{Host: "youtube.com"}))
assert.True(t, domainProvider.Match(&constant.Metadata{Host: "www.youtube.com"}))
assert.True(t, domainProvider.Match(&constant.Metadata{Host: "test.youtube.com"}))
assert.True(t, domainProvider.Match(&constant.Metadata{Host: "bcovlive-a.akamaihd.net"}))
assert.False(t, domainProvider.Match(&constant.Metadata{Host: "baidu.com"}))
}
func TestClassical(t *testing.T) {
setup()
classicalProvider := NewRuleSetProvider("test", Classical,
time.Duration(uint(100000)), NewFileVehicle("./classical.txt"))
assert.Nil(t, classicalProvider.Initial())
assert.True(t, classicalProvider.Match(&constant.Metadata{Host: "www.10010.com", AddrType: constant.AtypDomainName}))
assert.False(t, classicalProvider.Match(&constant.Metadata{Host: "google.com", AddrType: constant.AtypDomainName}))
assert.True(t, classicalProvider.Match(&constant.Metadata{Host: "analytics.strava.com", AddrType: constant.AtypDomainName}))
assert.True(t, classicalProvider.Match(&constant.Metadata{DstIP: net.ParseIP("2a0b:b580::1")}))
assert.False(t, classicalProvider.Match(&constant.Metadata{DstIP: net.ParseIP("2a0b:c582::1")}))
assert.True(t, classicalProvider.Match(&constant.Metadata{DstIP: net.ParseIP("1.255.62.34")}))
assert.False(t, classicalProvider.Match(&constant.Metadata{DstIP: net.ParseIP("103.65.41.199")}))
}
func TestIpCidr(t *testing.T) {
setup()
domainProvider := NewRuleSetProvider("test", IPCIDR,
time.Duration(uint(100000)), NewFileVehicle("./ipcidr.txt"))
assert.Nil(t, domainProvider.Initial())
assert.True(t, domainProvider.Match(&constant.Metadata{DstIP: net.ParseIP("91.108.22.10")}))
assert.False(t, domainProvider.Match(&constant.Metadata{DstIP: net.ParseIP("149.190.220.251")}))
assert.True(t, domainProvider.Match(&constant.Metadata{DstIP: net.ParseIP("2001:b28:f23f:f005::a")}))
assert.False(t, domainProvider.Match(&constant.Metadata{DstIP: net.ParseIP("2006:b28:f23f:f005::a")}))
}

View file

@ -0,0 +1,47 @@
package trie
import "errors"
var (
ErrorOverMaxValue = errors.New("the value don't over max value")
)
type IpCidrNode struct {
Mark bool
child map[uint32]*IpCidrNode
maxValue uint32
}
func NewIpCidrNode(mark bool, maxValue uint32) *IpCidrNode {
ipCidrNode := &IpCidrNode{
Mark: mark,
child: map[uint32]*IpCidrNode{},
maxValue: maxValue,
}
return ipCidrNode
}
func (n *IpCidrNode) addChild(value uint32) error {
if value > n.maxValue {
return ErrorOverMaxValue
}
n.child[value] = NewIpCidrNode(false, n.maxValue)
return nil
}
func (n *IpCidrNode) hasChild(value uint32) bool {
return n.getChild(value) != nil
}
func (n *IpCidrNode) getChild(value uint32) *IpCidrNode {
if value <= n.maxValue && !n.Mark {
if n.child[value] == nil {
n.child[value] = NewIpCidrNode(false, n.maxValue)
}
return n.child[value]
}
return nil
}

View file

@ -0,0 +1,214 @@
package trie
import (
"github.com/Dreamacro/clash/log"
"net"
)
type IPV6 bool
const (
ipv4GroupMaxValue = 0xFF
ipv6GroupMaxValue = 0xFFFF
)
type IpCidrTrie struct {
ipv4Trie *IpCidrNode
ipv6Trie *IpCidrNode
}
func NewIpCidrTrie() *IpCidrTrie {
return &IpCidrTrie{
ipv4Trie: NewIpCidrNode(false, ipv4GroupMaxValue),
ipv6Trie: NewIpCidrNode(false, ipv6GroupMaxValue),
}
}
func (trie *IpCidrTrie) AddIpCidr(ipCidr *net.IPNet) error {
subIpCidr, subCidr, isIpv4, err := ipCidrToSubIpCidr(ipCidr)
if err != nil {
return err
}
for _, sub := range subIpCidr {
addIpCidr(trie, isIpv4, sub, subCidr/8)
}
return nil
}
func (trie *IpCidrTrie) AddIpCidrForString(ipCidr string) error {
_, ipNet, err := net.ParseCIDR(ipCidr)
if err != nil {
return err
}
return trie.AddIpCidr(ipNet)
}
func (trie *IpCidrTrie) IsContain(ip net.IP) bool {
ip, isIpv4 := checkAndConverterIp(ip)
if ip == nil {
return false
}
var groupValues []uint32
var ipCidrNode *IpCidrNode
if isIpv4 {
ipCidrNode = trie.ipv4Trie
for _, group := range ip {
groupValues = append(groupValues, uint32(group))
}
} else {
ipCidrNode = trie.ipv6Trie
for i := 0; i < len(ip); i += 2 {
groupValues = append(groupValues, getIpv6GroupValue(ip[i], ip[i+1]))
}
}
return search(ipCidrNode, groupValues) != nil
}
func (trie *IpCidrTrie) IsContainForString(ipString string) bool {
return trie.IsContain(net.ParseIP(ipString))
}
func ipCidrToSubIpCidr(ipNet *net.IPNet) ([]net.IP, int, bool, error) {
maskSize, _ := ipNet.Mask.Size()
var (
ipList []net.IP
newMaskSize int
isIpv4 bool
err error
)
ip, isIpv4 := checkAndConverterIp(ipNet.IP)
ipList, newMaskSize, err = subIpCidr(ip, maskSize, true)
return ipList, newMaskSize, isIpv4, err
}
func subIpCidr(ip net.IP, maskSize int, isIpv4 bool) ([]net.IP, int, error) {
var subIpCidrList []net.IP
groupSize := 8
if !isIpv4 {
groupSize = 16
}
if maskSize%groupSize == 0 {
return append(subIpCidrList, ip), maskSize, nil
}
lastByteMaskSize := maskSize % 8
lastByteMaskIndex := maskSize / 8
subIpCidrNum := 0xFF >> lastByteMaskSize
for i := 0; i < subIpCidrNum; i++ {
subIpCidr := make([]byte, len(ip))
copy(subIpCidr, ip)
subIpCidr[lastByteMaskIndex] += byte(i)
subIpCidrList = append(subIpCidrList, subIpCidr)
}
return subIpCidrList, lastByteMaskIndex * 8, nil
}
func addIpCidr(trie *IpCidrTrie, isIpv4 bool, ip net.IP, groupSize int) {
if isIpv4 {
addIpv4Cidr(trie, ip, groupSize)
} else {
addIpv6Cidr(trie, ip, groupSize)
}
}
func addIpv4Cidr(trie *IpCidrTrie, ip net.IP, groupSize int) {
node := trie.ipv4Trie.getChild(uint32(ip[0]))
for i := 1; i < groupSize; i++ {
if node.Mark {
return
}
groupValue := uint32(ip[i])
if !node.hasChild(groupValue) {
err := node.addChild(groupValue)
if err != nil {
log.Errorln(err.Error())
}
}
node = node.getChild(groupValue)
}
node.Mark = true
cleanChild(node)
}
func addIpv6Cidr(trie *IpCidrTrie, ip net.IP, groupSize int) {
node := trie.ipv6Trie.getChild(getIpv6GroupValue(ip[0], ip[1]))
for i := 2; i < groupSize; i += 2 {
if node.Mark {
return
}
groupValue := getIpv6GroupValue(ip[i], ip[i+1])
if !node.hasChild(groupValue) {
err := node.addChild(groupValue)
if err != nil {
log.Errorln(err.Error())
}
}
node = node.getChild(groupValue)
}
node.Mark = true
cleanChild(node)
}
func getIpv6GroupValue(high, low byte) uint32 {
return (uint32(high) << 8) | uint32(low)
}
func cleanChild(node *IpCidrNode) {
for i := uint32(0); i < uint32(len(node.child)); i++ {
delete(node.child, i)
}
}
func search(root *IpCidrNode, groupValues []uint32) *IpCidrNode {
node := root.getChild(groupValues[0])
if node.Mark {
return node
}
for _, value := range groupValues[1:] {
if !node.hasChild(value) {
return nil
}
node = node.getChild(value)
if node.Mark {
return node
}
}
return nil
}
// return net.IP To4 or To16 and is ipv4
func checkAndConverterIp(ip net.IP) (net.IP, bool) {
ipResult := ip.To4()
if ipResult == nil {
ipResult = ip.To16()
if ipResult == nil {
return nil, false
}
return ipResult, false
}
return ipResult, true
}

View file

@ -122,7 +122,7 @@ type Config struct {
Hosts *trie.DomainTrie
Profile *Profile
Rules []C.Rule
RuleProviders map[string]C.Rule
RuleProviders map[string]providerTypes.RuleProvider
Users []auth.AuthUser
Proxies map[string]C.Proxy
Providers map[string]providerTypes.ProxyProvider
@ -482,9 +482,40 @@ time = ClashTime()
return nil
}
func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[string]C.Rule, error) {
func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[string]providerTypes.RuleProvider, error) {
rules := []C.Rule{}
ruleProviders := map[string]C.Rule{}
ruleProviders := map[string]providerTypes.RuleProvider{}
ruleProviderNameSet := make(map[string]interface{}, len(ruleProviders))
// set parse callback for parse rule type
provider.SetClassicalRuleParser(func(ruleType, rule string, params []string) (C.Rule, error) {
if params == nil {
params = make([]string, 0)
}
return R.ParseRule(ruleType, rule, "", params)
})
for name, mapping := range cfg.RuleProvider {
rp, err := provider.ParseRuleProvider(name, mapping)
if err != nil {
return nil, nil, err
}
ruleProviders[name] = rp
provider.SetRuleProvider(rp)
}
for _, provider := range ruleProviders {
log.Infoln("Start initial provider %s", (provider).Name())
if err := (provider).Initial(); err != nil {
return nil, nil, fmt.Errorf("initial rule provider %s error: %w", (provider).Name(), err)
}
}
// get all name of rule provider
for k := range ruleProviders {
ruleProviderNameSet[k] = nil
}
rulesConfig := cfg.Rule
mode := cfg.Mode
@ -526,6 +557,7 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
return nil, nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
}
rule = trimArr(rule)
params = trimArr(params)
parsed, parseErr := R.ParseRule(ruleName, payload, target, params)

View file

@ -1,5 +1,6 @@
package provider
import "C"
import (
"github.com/Dreamacro/clash/constant"
)
@ -79,6 +80,8 @@ const (
Classical
)
type Behavior int
// RuleType defined
type RuleType int

View file

@ -12,6 +12,7 @@ const (
SrcPort
DstPort
Process
RuleSet
Script
MATCH
)
@ -40,6 +41,8 @@ func (rt RuleType) String() string {
return "DstPort"
case Process:
return "Process"
case RuleSet:
return "RuleSet"
case Script:
return "Script"
case MATCH:

View file

@ -75,7 +75,7 @@ func ApplyConfig(cfg *config.Config, force bool) {
updateUsers(cfg.Users)
updateProxies(cfg.Proxies, cfg.Providers)
updateRules(cfg.Rules)
updateRules(cfg.Rules, cfg.RuleProviders)
updateHosts(cfg.Hosts)
updateProfile(cfg)
updateIPTables(cfg.DNS, cfg.General)
@ -176,8 +176,8 @@ func updateProxies(proxies map[string]C.Proxy, providers map[string]provider.Pro
tunnel.UpdateProxies(proxies, providers)
}
func updateRules(rules []C.Rule) {
tunnel.UpdateRules(rules)
func updateRules(rules []C.Rule, ruleProviders map[string]provider.RuleProvider) {
tunnel.UpdateRules(rules, ruleProviders)
}
func updateGeneral(general *config.General, force bool) {

View file

@ -75,3 +75,40 @@ func findProviderByName(next http.Handler) http.Handler {
next.ServeHTTP(w, r.WithContext(ctx))
})
}
func getRuleProviders(w http.ResponseWriter, r *http.Request) {
ruleProviders := tunnel.RuleProviders()
render.JSON(w, r, render.M{
"providers": ruleProviders,
})
}
func updateRuleProvider(w http.ResponseWriter, r *http.Request) {
provider := r.Context().Value(CtxKeyProvider).(provider.RuleProvider)
if err := (provider).Update(); err != nil {
render.Status(r, http.StatusServiceUnavailable)
render.JSON(w, r, newError(err.Error()))
}
render.NoContent(w, r)
}
func parseRuleProviderName(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
name := getEscapeParam(r, "name")
ctx := context.WithValue(r.Context(), CtxKeyProviderName, name)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
func findRuleProviderByName(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
name := r.Context().Value(CtxKeyProviderName).(string)
providers := tunnel.RuleProviders()
provider, exist := providers[name]
if !exist {
render.Status(r, http.StatusNotFound)
render.JSON(w, r, ErrNotFound)
return
}
ctx := context.WithValue(r.Context(), CtxKeyProvider, provider)
next.ServeHTTP(w, r.WithContext(ctx))
})
}

View file

@ -40,6 +40,8 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
parsed, parseErr = NewPort(payload, target, false, ruleExtra)
case "PROCESS-NAME":
parsed, parseErr = NewProcess(payload, target, ruleExtra)
case "RULE-SET":
parsed, parseErr = NewRuleSet(payload, target, ruleExtra)
case "MATCH":
parsed = NewMatch(target, ruleExtra)
default:

60
rule/rule_set.go Normal file
View file

@ -0,0 +1,60 @@
package rules
import (
"fmt"
"github.com/Dreamacro/clash/adapter/provider"
C "github.com/Dreamacro/clash/constant"
types "github.com/Dreamacro/clash/constant/provider"
)
type RuleSet struct {
ruleProviderName string
adapter string
ruleProvider *types.RuleProvider
ruleExtra *C.RuleExtra
}
func (rs *RuleSet) RuleType() C.RuleType {
return C.RuleSet
}
func (rs *RuleSet) Match(metadata *C.Metadata) bool {
return rs.getProviders().Match(metadata)
}
func (rs *RuleSet) Adapter() string {
return rs.adapter
}
func (rs *RuleSet) Payload() string {
return rs.getProviders().Name()
}
func (rs *RuleSet) ShouldResolveIP() bool {
return rs.getProviders().Behavior() != provider.Domain
}
func (rs *RuleSet) getProviders() types.RuleProvider {
if rs.ruleProvider == nil {
rp := provider.RuleProviders()[rs.ruleProviderName]
rs.ruleProvider = &rp
}
return *rs.ruleProvider
}
func (rs *RuleSet) RuleExtra() *C.RuleExtra {
return rs.ruleExtra
}
func NewRuleSet(ruleProviderName string, adapter string, ruleExtra *C.RuleExtra) (*RuleSet, error) {
rp, ok := provider.RuleProviders()[ruleProviderName]
if !ok {
return nil, fmt.Errorf("rule set %s not found", ruleProviderName)
}
return &RuleSet{
ruleProviderName: ruleProviderName,
adapter: adapter,
ruleProvider: &rp,
ruleExtra: ruleExtra,
}, nil
}

View file

@ -20,13 +20,14 @@ import (
)
var (
tcpQueue = make(chan C.ConnContext, 200)
udpQueue = make(chan *inbound.PacketAdapter, 200)
natTable = nat.New()
rules []C.Rule
proxies = make(map[string]C.Proxy)
providers map[string]provider.ProxyProvider
configMux sync.RWMutex
tcpQueue = make(chan C.ConnContext, 200)
udpQueue = make(chan *inbound.PacketAdapter, 200)
natTable = nat.New()
rules []C.Rule
ruleProviders map[string]provider.RuleProvider
proxies = make(map[string]C.Proxy)
providers map[string]provider.ProxyProvider
configMux sync.RWMutex
// Outbound Rule
mode = Rule
@ -57,9 +58,10 @@ func Rules() []C.Rule {
}
// UpdateRules handle update rules
func UpdateRules(newRules []C.Rule) {
func UpdateRules(newRules []C.Rule, rp map[string]provider.RuleProvider) {
configMux.Lock()
rules = newRules
ruleProviders = rp
configMux.Unlock()
}
@ -81,6 +83,10 @@ func UpdateProxies(newProxies map[string]C.Proxy, newProviders map[string]provid
configMux.Unlock()
}
func RuleProviders() map[string]provider.RuleProvider {
return ruleProviders
}
// Mode return current mode
func Mode() TunnelMode {
return mode