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Add DNS mode

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世界 2026-05-02 15:42:00 +08:00
parent 3c7d6ad82f
commit 47bdde06c3
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GPG key ID: CD109927C34A63C4
4 changed files with 103 additions and 58 deletions
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38
tun_linux.go
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@ -354,7 +354,12 @@ func (t *NativeTun) start() error {
return E.Cause(err, "set rules")
}
t.setSearchDomainForSystemdResolved()
if t.options.DNSMode != DNSModeDisabled {
err = t.setSearchDomainForSystemdResolved()
if err != nil {
return E.Cause(err, "set search domain")
}
}
if t.options.AutoRoute && runtime.GOOS == "android" {
t.interfaceCallback = t.options.InterfaceMonitor.RegisterCallback(t.routeUpdate)
@ -369,7 +374,9 @@ func (t *NativeTun) Close() error {
if t.options.EXP_ExternalConfiguration {
return common.Close(common.PtrOrNil(t.tunFile))
}
t.unsetSearchDomainForSystemdResolved()
if t.options.DNSMode != DNSModeDisabled {
t.unsetSearchDomainForSystemdResolved()
}
t.unsetAddresses()
return E.Errors(t.unsetRoute(), t.unsetRules(), common.Close(common.PtrOrNil(t.tunFile)))
}
@ -1190,37 +1197,24 @@ func (t *NativeTun) routeUpdate(_ *control.Interface, flags int) {
}
}
func (t *NativeTun) setSearchDomainForSystemdResolved() {
if t.options.EXP_DisableDNSHijack {
return
}
func (t *NativeTun) setSearchDomainForSystemdResolved() error {
ctlPath, err := exec.LookPath("resolvectl")
if err != nil {
return
return nil
}
dnsServer := t.options.DNSServers
if len(dnsServer) == 0 {
if len(t.options.Inet4Address) > 0 && HasNextAddress(t.options.Inet4Address[0], 1) {
dnsServer = append(dnsServer, t.options.Inet4Address[0].Addr().Next())
}
if len(t.options.Inet6Address) > 0 && HasNextAddress(t.options.Inet6Address[0], 1) {
dnsServer = append(dnsServer, t.options.Inet6Address[0].Addr().Next())
}
}
if len(dnsServer) == 0 {
return
dnsAddress, err := t.options.DNSServerAddress()
if err != nil {
return err
}
go func() {
_ = shell.Exec(ctlPath, "domain", t.options.Name, "~.").Run()
_ = shell.Exec(ctlPath, "default-route", t.options.Name, "true").Run()
_ = shell.Exec(ctlPath, append([]string{"dns", t.options.Name}, common.Map(dnsServer, netip.Addr.String)...)...).Run()
_ = shell.Exec(ctlPath, append([]string{"dns", t.options.Name}, common.Map(dnsAddress, netip.Addr.String)...)...).Run()
}()
return nil
}
func (t *NativeTun) unsetSearchDomainForSystemdResolved() {
if t.options.EXP_DisableDNSHijack {
return
}
ctlPath, err := exec.LookPath("resolvectl")
if err != nil {
return