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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 48f84b31d6
commit bba92146b1
2 changed files with 25 additions and 15 deletions
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30
dns/transport/local/local_darwin.go
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@@ -74,12 +74,14 @@ 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
}
}
}
}
@@ -103,10 +105,12 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
if !t.fallback {
return t.exchange(ctx, message, question.Name)
}
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 {
@@ -130,5 +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.")
}
}