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Add DNS mode

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This commit is contained in:
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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35
tun_windows.go
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@ -16,7 +16,6 @@ import (
"github.com/sagernet/sing-tun/internal/winipcfg"
"github.com/sagernet/sing-tun/internal/winsys"
"github.com/sagernet/sing-tun/internal/wintun"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/windnsapi"
@ -81,16 +80,14 @@ func (t *NativeTun) configure() error {
if err != nil {
return E.Cause(err, "set ipv4 address")
}
if t.options.AutoRoute && !t.options.EXP_DisableDNSHijack {
dnsServers := common.Filter(t.options.DNSServers, netip.Addr.Is4)
if len(dnsServers) == 0 && HasNextAddress(t.options.Inet4Address[0], 1) {
dnsServers = []netip.Addr{t.options.Inet4Address[0].Addr().Next()}
if t.options.AutoRoute && t.options.DNSModeOrDefault() != DNSModeDisabled {
dnsServers, err := t.options.Inet4DNSAddress()
if err != nil {
return err
}
if len(dnsServers) > 0 {
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET), dnsServers, nil)
if err != nil {
return E.Cause(err, "set ipv4 dns")
}
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET), dnsServers, nil)
if err != nil {
return E.Cause(err, "set ipv4 dns")
}
} else {
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET), nil, nil)
@ -104,16 +101,14 @@ func (t *NativeTun) configure() error {
if err != nil {
return E.Cause(err, "set ipv6 address")
}
if t.options.AutoRoute && !t.options.EXP_DisableDNSHijack {
dnsServers := common.Filter(t.options.DNSServers, netip.Addr.Is6)
if len(dnsServers) == 0 && HasNextAddress(t.options.Inet6Address[0], 1) {
dnsServers = []netip.Addr{t.options.Inet6Address[0].Addr().Next()}
if t.options.AutoRoute && t.options.DNSModeOrDefault() != DNSModeDisabled {
dnsServers, err := t.options.Inet6DNSAddress()
if err != nil {
return err
}
if len(dnsServers) > 0 {
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET6), dnsServers, nil)
if err != nil {
return E.Cause(err, "set ipv6 dns")
}
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET6), dnsServers, nil)
if err != nil {
return E.Cause(err, "set ipv6 dns")
}
} else {
err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET6), nil, nil)
@ -334,7 +329,7 @@ func (t *NativeTun) Start() error {
}
}
if !t.options.EXP_DisableDNSHijack {
if t.options.DNSModeOrDefault() == DNSModeHijack {
blockDNSCondition := make([]winsys.FWPM_FILTER_CONDITION0, 1)
blockDNSCondition[0].FieldKey = winsys.FWPM_CONDITION_IP_REMOTE_PORT
blockDNSCondition[0].MatchType = winsys.FWP_MATCH_EQUAL