Merge pull request #23 from Adlyq/Alpha-pr-iptabls

[skip ci] auto change interface for tproxy
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Meta 2022-03-22 00:32:47 +08:00 committed by GitHub
commit bf6839e5f3
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 24 additions and 13 deletions

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@ -2,7 +2,7 @@ package executor
import ( import (
"fmt" "fmt"
"github.com/Dreamacro/clash/listener/tun/ipstack/commons"
"net" "net"
"os" "os"
"runtime" "runtime"
@ -75,14 +75,14 @@ func ApplyConfig(cfg *config.Config, force bool) {
defer mux.Unlock() defer mux.Unlock()
updateUsers(cfg.Users) updateUsers(cfg.Users)
updateHosts(cfg.Hosts)
updateProxies(cfg.Proxies, cfg.Providers) updateProxies(cfg.Proxies, cfg.Providers)
updateRules(cfg.Rules, cfg.RuleProviders) updateRules(cfg.Rules, cfg.RuleProviders)
updateGeneral(cfg.General, force) updateGeneral(cfg.General, force)
updateDNS(cfg.DNS, cfg.Tun) updateDNS(cfg.DNS, cfg.Tun)
updateTun(cfg.Tun) updateTun(cfg.Tun)
updateIPTables(cfg.DNS, cfg.General, cfg.Tun) autoUpdateIPTables(cfg.DNS, cfg.General, cfg.Tun)
updateExperimental(cfg) updateExperimental(cfg)
updateHosts(cfg.Hosts)
loadProvider(cfg.RuleProviders, cfg.Providers) loadProvider(cfg.RuleProviders, cfg.Providers)
updateProfile(cfg) updateProfile(cfg)
@ -301,9 +301,7 @@ func patchSelectGroup(proxies map[string]C.Proxy) {
} }
} }
func updateIPTables(dns *config.DNS, general *config.General, tun *config.Tun) { func autoUpdateIPTables(dns *config.DNS, general *config.General, tun *config.Tun) {
tproxy.CleanUpTProxyLinuxIPTables()
if runtime.GOOS != "linux" || general.TProxyPort == 0 { if runtime.GOOS != "linux" || general.TProxyPort == 0 {
return return
} }
@ -326,22 +324,32 @@ func updateIPTables(dns *config.DNS, general *config.General, tun *config.Tun) {
return return
} }
err = updateIPTables(dns, general)
go commons.DefaultInterfaceChangeMonitor(func(_ string) {
updateIPTables(dns, general)
})
}
func updateIPTables(dns *config.DNS, general *config.General) error {
tproxy.CleanUpTProxyLinuxIPTables()
_, dnsPortStr, err := net.SplitHostPort(dns.Listen) _, dnsPortStr, err := net.SplitHostPort(dns.Listen)
if dnsPortStr == "0" || dnsPortStr == "" || err != nil { if dnsPortStr == "0" || dnsPortStr == "" || err != nil {
return return err
} }
dnsPort, err := strconv.Atoi(dnsPortStr) dnsPort, err := strconv.Atoi(dnsPortStr)
if err != nil { if err != nil {
return return err
} }
if dialer.DefaultRoutingMark.Load() == 0 { if dialer.DefaultRoutingMark.Load() == 0 {
dialer.DefaultRoutingMark.Store(2158) dialer.DefaultRoutingMark.Store(2158)
} }
if general.AutoIptables { if general.AutoIptables {
err = tproxy.SetTProxyLinuxIPTables(general.Interface, general.TProxyPort, dnsPort) err = tproxy.SetTProxyLinuxIPTables(dialer.DefaultInterface.Load(), general.TProxyPort, dnsPort)
} }
return err
} }
func Cleanup() { func Cleanup() {

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@ -24,7 +24,7 @@ func ipv4MaskString(bits int) string {
return fmt.Sprintf("%d.%d.%d.%d", m[0], m[1], m[2], m[3]) return fmt.Sprintf("%d.%d.%d.%d", m[0], m[1], m[2], m[3])
} }
func defaultInterfaceChangeMonitor() { func DefaultInterfaceChangeMonitor(cb func(ifName string)) {
t := time.NewTicker(defaultInterfaceMonitorDuration) t := time.NewTicker(defaultInterfaceMonitorDuration)
defer t.Stop() defer t.Stop()
@ -43,6 +43,9 @@ func defaultInterfaceChangeMonitor() {
} }
dialer.DefaultInterface.Store(interfaceName) dialer.DefaultInterface.Store(interfaceName)
if cb != nil {
cb(interfaceName)
}
log.Warnln("[TUN] default interface changed by monitor, %s => %s", old, interfaceName) log.Warnln("[TUN] default interface changed by monitor, %s => %s", old, interfaceName)
} }

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@ -54,7 +54,7 @@ func configInterfaceRouting(interfaceName string, addr netip.Prefix) error {
} }
} }
go defaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor(nil)
return execRouterCmd("add", "-inet6", "2000::/3", interfaceName) return execRouterCmd("add", "-inet6", "2000::/3", interfaceName)
} }

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@ -42,7 +42,7 @@ func configInterfaceRouting(interfaceName string, addr netip.Prefix) error {
} }
} }
go defaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor(nil)
return nil return nil
} }

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@ -203,7 +203,7 @@ startOver:
wintunInterfaceName = dev.Name() wintunInterfaceName = dev.Name()
go defaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor(nil)
return nil return nil
} }