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Fix DNS routing

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世界 2022-09-04 12:39:43 +08:00
parent 9078bc2de5
commit 4801b6f057
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GPG key ID: CD109927C34A63C4
2 changed files with 7 additions and 10 deletions
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14
outbound/dns.go
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@ -77,12 +77,9 @@ func (d *DNS) handleConnection(ctx context.Context, conn net.Conn, metadata adap
if err != nil { if err != nil {
return err return err
} }
if len(message.Questions) > 0 { metadataInQuery := metadata
question := message.Questions[0]
metadata.Domain = string(question.Name.Data[:question.Name.Length-1])
}
go func() error { go func() error {
response, err := d.router.Exchange(ctx, &message) response, err := d.router.Exchange(adapter.WithContext(ctx, &metadataInQuery), &message)
if err != nil { if err != nil {
return err return err
} }
@ -125,13 +122,10 @@ func (d *DNS) NewPacketConnection(ctx context.Context, conn N.PacketConn, metada
if err != nil { if err != nil {
return err return err
} }
if len(message.Questions) > 0 {
question := message.Questions[0]
metadata.Domain = string(question.Name.Data[:question.Name.Length-1])
}
timeout.Update() timeout.Update()
metadataInQuery := metadata
go func() error { go func() error {
response, err := d.router.Exchange(ctx, &message) response, err := d.router.Exchange(adapter.WithContext(ctx, &metadataInQuery), &message)
if err != nil { if err != nil {
return err return err
} }

3
route/router_dns.go
View file

@ -52,6 +52,7 @@ func (r *Router) Exchange(ctx context.Context, message *dnsmessage.Message) (*dn
case dnsmessage.TypeAAAA: case dnsmessage.TypeAAAA:
metadata.IPVersion = 6 metadata.IPVersion = 6
} }
metadata.Domain = string(message.Questions[0].Name.Data[:message.Questions[0].Name.Length-1])
} }
ctx, transport, strategy := r.matchDNS(ctx) ctx, transport, strategy := r.matchDNS(ctx)
ctx, cancel := context.WithTimeout(ctx, C.DNSTimeout) ctx, cancel := context.WithTimeout(ctx, C.DNSTimeout)
@ -68,6 +69,8 @@ func (r *Router) Exchange(ctx context.Context, message *dnsmessage.Message) (*dn
func (r *Router) Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error) { func (r *Router) Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error) {
r.dnsLogger.DebugContext(ctx, "lookup domain ", domain) r.dnsLogger.DebugContext(ctx, "lookup domain ", domain)
ctx, metadata := adapter.AppendContext(ctx)
metadata.Domain = domain
ctx, transport, transportStrategy := r.matchDNS(ctx) ctx, transport, transportStrategy := r.matchDNS(ctx)
if strategy == dns.DomainStrategyAsIS { if strategy == dns.DomainStrategyAsIS {
strategy = transportStrategy strategy = transportStrategy