mirror of
https://gitclone.com/github.com/MetaCubeX/Clash.Meta
synced 2024-11-15 21:51:23 +08:00
353 lines
8.3 KiB
Go
353 lines
8.3 KiB
Go
package executor
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import (
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"fmt"
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"net"
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"os"
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"runtime"
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"strconv"
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"sync"
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"github.com/Dreamacro/clash/listener/tproxy"
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"github.com/Dreamacro/clash/adapter"
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"github.com/Dreamacro/clash/adapter/outboundgroup"
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"github.com/Dreamacro/clash/component/auth"
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"github.com/Dreamacro/clash/component/dialer"
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G "github.com/Dreamacro/clash/component/geodata"
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"github.com/Dreamacro/clash/component/iface"
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"github.com/Dreamacro/clash/component/profile"
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"github.com/Dreamacro/clash/component/profile/cachefile"
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"github.com/Dreamacro/clash/component/resolver"
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"github.com/Dreamacro/clash/component/trie"
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"github.com/Dreamacro/clash/config"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/constant/provider"
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"github.com/Dreamacro/clash/dns"
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P "github.com/Dreamacro/clash/listener"
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authStore "github.com/Dreamacro/clash/listener/auth"
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"github.com/Dreamacro/clash/log"
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"github.com/Dreamacro/clash/tunnel"
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)
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var mux sync.Mutex
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func readConfig(path string) ([]byte, error) {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return nil, err
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}
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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if len(data) == 0 {
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return nil, fmt.Errorf("configuration file %s is empty", path)
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}
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return data, err
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}
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// Parse config with default config path
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func Parse() (*config.Config, error) {
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return ParseWithPath(C.Path.Config())
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}
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// ParseWithPath parse config with custom config path
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func ParseWithPath(path string) (*config.Config, error) {
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buf, err := readConfig(path)
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if err != nil {
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return nil, err
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}
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return ParseWithBytes(buf)
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}
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// ParseWithBytes config with buffer
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func ParseWithBytes(buf []byte) (*config.Config, error) {
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return config.Parse(buf)
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}
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// ApplyConfig dispatch configure to all parts
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func ApplyConfig(cfg *config.Config, force bool) {
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mux.Lock()
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defer mux.Unlock()
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log.SetLevel(log.INFO)
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updateUsers(cfg.Users)
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updateHosts(cfg.Hosts)
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updateGeneral(cfg.General, cfg.Tun, force)
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updateProxies(cfg.Proxies, cfg.Providers)
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updateRules(cfg.Rules, cfg.RuleProviders)
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updateIPTables(cfg.DNS, cfg.General.TProxyPort, cfg.General.Interface, cfg.Tun.Enable)
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updateDNS(cfg.DNS, cfg.Tun)
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updateTun(cfg.Tun, cfg.DNS.FakeIPRange.IPNet().String())
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updateExperimental(cfg)
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loadProvider(cfg.RuleProviders, cfg.Providers)
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updateProfile(cfg)
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log.SetLevel(cfg.General.LogLevel)
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}
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func GetGeneral() *config.General {
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ports := P.GetPorts()
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authenticator := []string{}
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if auth := authStore.Authenticator(); auth != nil {
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authenticator = auth.Users()
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}
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general := &config.General{
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Inbound: config.Inbound{
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Port: ports.Port,
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SocksPort: ports.SocksPort,
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RedirPort: ports.RedirPort,
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TProxyPort: ports.TProxyPort,
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MixedPort: ports.MixedPort,
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Authentication: authenticator,
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AllowLan: P.AllowLan(),
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BindAddress: P.BindAddress(),
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},
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Mode: tunnel.Mode(),
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LogLevel: log.Level(),
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IPv6: !resolver.DisableIPv6,
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GeodataLoader: G.LoaderName(),
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}
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return general
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}
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func updateExperimental(c *config.Config) {}
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func updateDNS(c *config.DNS, t *config.Tun) {
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cfg := dns.Config{
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Main: c.NameServer,
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Fallback: c.Fallback,
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IPv6: c.IPv6,
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EnhancedMode: c.EnhancedMode,
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Pool: c.FakeIPRange,
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Hosts: c.Hosts,
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FallbackFilter: dns.FallbackFilter{
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GeoIP: c.FallbackFilter.GeoIP,
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GeoIPCode: c.FallbackFilter.GeoIPCode,
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IPCIDR: c.FallbackFilter.IPCIDR,
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Domain: c.FallbackFilter.Domain,
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GeoSite: c.FallbackFilter.GeoSite,
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},
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Default: c.DefaultNameserver,
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Policy: c.NameServerPolicy,
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}
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r := dns.NewResolver(cfg)
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mr := dns.NewMainResolver(r)
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m := dns.NewEnhancer(cfg)
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// reuse cache of old host mapper
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if old := resolver.DefaultHostMapper; old != nil {
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m.PatchFrom(old.(*dns.ResolverEnhancer))
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}
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resolver.DefaultResolver = r
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resolver.MainResolver = mr
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resolver.DefaultHostMapper = m
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if t.Enable {
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resolver.DefaultLocalServer = dns.NewLocalServer(r, m)
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}
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if c.Enable {
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dns.ReCreateServer(c.Listen, r, m)
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} else {
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if !t.Enable {
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resolver.DefaultResolver = nil
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resolver.MainResolver = nil
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resolver.DefaultHostMapper = nil
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resolver.DefaultLocalServer = nil
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}
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dns.ReCreateServer("", nil, nil)
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}
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}
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func updateHosts(tree *trie.DomainTrie) {
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resolver.DefaultHosts = tree
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}
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func updateProxies(proxies map[string]C.Proxy, providers map[string]provider.ProxyProvider) {
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tunnel.UpdateProxies(proxies, providers)
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}
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func updateRules(rules []C.Rule, ruleProviders map[string]*provider.RuleProvider) {
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tunnel.UpdateRules(rules, ruleProviders)
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}
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func loadProvider(ruleProviders map[string]*provider.RuleProvider, proxyProviders map[string]provider.ProxyProvider) {
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load := func(pv provider.Provider) {
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if pv.VehicleType() == provider.Compatible {
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log.Infoln("Start initial compatible provider %s", pv.Name())
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} else {
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log.Infoln("Start initial provider %s", (pv).Name())
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}
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if err := (pv).Initial(); err != nil {
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switch pv.Type() {
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case provider.Proxy:
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{
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log.Warnln("initial proxy provider %s error: %v", (pv).Name(), err)
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}
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case provider.Rule:
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{
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log.Warnln("initial rule provider %s error: %v", (pv).Name(), err)
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}
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}
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}
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}
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for _, proxyProvider := range proxyProviders {
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load(proxyProvider)
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}
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for _, ruleProvider := range ruleProviders {
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load(*ruleProvider)
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}
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}
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func updateTun(tun *config.Tun, tunAddressPrefix string) {
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P.ReCreateTun(tun, tunAddressPrefix, tunnel.TCPIn(), tunnel.UDPIn())
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}
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func updateGeneral(general *config.General, Tun *config.Tun, force bool) {
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tunnel.SetMode(general.Mode)
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resolver.DisableIPv6 = !general.IPv6
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adapter.UnifiedDelay.Store(general.UnifiedDelay)
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dialer.DefaultInterface.Store(general.Interface)
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if dialer.DefaultInterface.Load() != "" {
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log.Infoln("Use interface name: %s", general.Interface)
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}
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if general.RoutingMark > 0 || (general.RoutingMark == 0 && general.TProxyPort == 0) {
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dialer.DefaultRoutingMark.Store(int32(general.RoutingMark))
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if general.RoutingMark > 0 {
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log.Infoln("Use routing mark: %#x", general.RoutingMark)
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}
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}
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iface.FlushCache()
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if !force {
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return
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}
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geodataLoader := general.GeodataLoader
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G.SetLoader(geodataLoader)
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allowLan := general.AllowLan
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P.SetAllowLan(allowLan)
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bindAddress := general.BindAddress
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P.SetBindAddress(bindAddress)
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tcpIn := tunnel.TCPIn()
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udpIn := tunnel.UDPIn()
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P.ReCreateHTTP(general.Port, tcpIn)
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P.ReCreateSocks(general.SocksPort, tcpIn, udpIn)
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P.ReCreateRedir(general.RedirPort, tcpIn, udpIn)
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P.ReCreateTProxy(general.TProxyPort, tcpIn, udpIn)
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P.ReCreateMixed(general.MixedPort, tcpIn, udpIn)
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}
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func updateUsers(users []auth.AuthUser) {
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authenticator := auth.NewAuthenticator(users)
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authStore.SetAuthenticator(authenticator)
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if authenticator != nil {
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log.Infoln("Authentication of local server updated")
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}
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}
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func updateProfile(cfg *config.Config) {
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profileCfg := cfg.Profile
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profile.StoreSelected.Store(profileCfg.StoreSelected)
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if profileCfg.StoreSelected {
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patchSelectGroup(cfg.Proxies)
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}
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}
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func patchSelectGroup(proxies map[string]C.Proxy) {
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mapping := cachefile.Cache().SelectedMap()
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if mapping == nil {
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return
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}
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for name, proxy := range proxies {
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outbound, ok := proxy.(*adapter.Proxy)
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if !ok {
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continue
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}
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selector, ok := outbound.ProxyAdapter.(*outboundgroup.Selector)
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if !ok {
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continue
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}
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selected, exist := mapping[name]
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if !exist {
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continue
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}
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selector.Set(selected)
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}
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}
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func updateIPTables(dns *config.DNS, tProxyPort int, interfaceName string, tunEnable bool) {
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tproxy.CleanUpTProxyLinuxIPTables()
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if runtime.GOOS != "linux" || tProxyPort == 0 {
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return
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}
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var err error
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defer func() {
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if err != nil {
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log.Errorln("Setting iptables failed: %s", err.Error())
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os.Exit(2)
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}
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}()
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if !dns.Enable || dns.Listen == "" {
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err = fmt.Errorf("DNS server must be enable")
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return
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}
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if tunEnable {
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err = fmt.Errorf("TUN device must be disabe")
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return
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}
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_, dnsPortStr, err := net.SplitHostPort(dns.Listen)
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if dnsPortStr == "0" || dnsPortStr == "" || err != nil {
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return
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}
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dnsPort, err := strconv.Atoi(dnsPortStr)
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if err != nil {
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return
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}
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if dialer.DefaultRoutingMark.Load() == 0 {
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dialer.DefaultRoutingMark.Store(2158)
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}
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err = tproxy.SetTProxyLinuxIPTables(interfaceName, tProxyPort, dnsPort)
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}
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func Cleanup() {
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P.Cleanup()
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if runtime.GOOS == "linux" {
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tproxy.CleanUpTProxyLinuxIPTables()
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}
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}
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