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Stop using DHCP on iOS and tvOS

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We do not have the `com.apple.developer.networking.multicast` entitlement and are unable to obtain it for non-technical reasons.
This commit is contained in:
世界
2025-08-19 21:38:03 +08:00
parent e2281f4f9d
commit 9510bc7911
3 changed files with 34 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dns/transport/dhcp/dhcp.go
+8 -2
View File
@@ -201,7 +201,11 @@ func (t *Transport) fetchServers0(ctx context.Context, iface *control.Interface)
}
defer packetConn.Close()
discovery, err := dhcpv4.NewDiscovery(iface.HardwareAddr, dhcpv4.WithBroadcast(true), dhcpv4.WithRequestedOptions(dhcpv4.OptionDomainNameServer, dhcpv4.OptionDNSDomainSearchList))
discovery, err := dhcpv4.NewDiscovery(iface.HardwareAddr, dhcpv4.WithBroadcast(true), dhcpv4.WithRequestedOptions(
dhcpv4.OptionDomainName,
dhcpv4.OptionDomainNameServer,
dhcpv4.OptionDNSDomainSearchList,
))
if err != nil {
return err
}
@@ -253,8 +257,10 @@ func (t *Transport) fetchServersResponse(iface *control.Interface, packetConn ne
func (t *Transport) recreateServers(iface *control.Interface, dhcpPacket *dhcpv4.DHCPv4) error {
searchList := dhcpPacket.DomainSearch()
if searchList != nil {
if searchList != nil && len(searchList.Labels) > 0 {
t.search = searchList.Labels
} else if dhcpPacket.DomainName() != "" {
t.search = []string{dhcpPacket.DomainName()}
}
serverAddrs := common.Map(dhcpPacket.DNS(), func(it net.IP) M.Socksaddr {
return M.SocksaddrFrom(M.AddrFromIP(it), 53)
dns/transport/local/local_darwin.go
+20 -13
View File
@@ -7,6 +7,7 @@ import (
"errors"
"net"
mDNS "github.com/miekg/dns"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/dns"
@@ -19,8 +20,6 @@ import (
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/service"
mDNS "github.com/miekg/dns"
)
func RegisterTransport(registry *dns.TransportRegistry) {
@@ -74,12 +73,14 @@ func (t *Transport) Start(stage adapter.StartStage) error {
break
}
}
if t.fallback {
t.dhcpTransport = newDHCPTransport(t.TransportAdapter, log.ContextWithOverrideLevel(t.ctx, log.LevelDebug), t.dialer, t.logger)
if t.dhcpTransport != nil {
err := t.dhcpTransport.Start(stage)
if err != nil {
return err
if !C.IsIos {
if t.fallback {
t.dhcpTransport = newDHCPTransport(t.TransportAdapter, log.ContextWithOverrideLevel(t.ctx, log.LevelDebug), t.dialer, t.logger)
if t.dhcpTransport != nil {
err := t.dhcpTransport.Start(stage)
if err != nil {
return err
}
}
}
}
@@ -104,10 +105,12 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
if !t.fallback {
return t.exchange(ctx, message, domain)
}
if t.dhcpTransport != nil {
dhcpTransports, _ := t.dhcpTransport.Fetch()
if len(dhcpTransports) > 0 {
return t.dhcpTransport.Exchange0(ctx, message, dhcpTransports)
if !C.IsIos {
if t.dhcpTransport != nil {
dhcpTransports, _ := t.dhcpTransport.Fetch()
if len(dhcpTransports) > 0 {
return t.dhcpTransport.Exchange0(ctx, message, dhcpTransports)
}
}
}
if t.preferGo {
@@ -131,5 +134,9 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
}
return dns.FixedResponse(message.Id, question, addresses, C.DefaultDNSTTL), nil
}
return nil, E.New("only A and AAAA queries are supported on Apple platforms when using TUN and DHCP unavailable.")
if C.IsIos {
return nil, E.New("only A and AAAA queries are supported on iOS and tvOS when using NetworkExtension.")
} else {
return nil, E.New("only A and AAAA queries are supported on macOS when using NetworkExtension and DHCP unavailable.")
}
}