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refactor: DNS

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世界 2024-12-02 23:17:01 +08:00
parent 4f3ee61104
commit ccd3de39eb
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GPG key ID: CD109927C34A63C4
89 changed files with 4792 additions and 1733 deletions
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60
common/dialer/resolve.go
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@ -3,13 +3,11 @@ package dialer
import (
"context"
"net"
"net/netip"
"time"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@ -23,12 +21,12 @@ var (
type resolveDialer struct {
dialer N.Dialer
parallel bool
router adapter.Router
strategy dns.DomainStrategy
router adapter.DNSRouter
strategy C.DomainStrategy
fallbackDelay time.Duration
}
func NewResolveDialer(router adapter.Router, dialer N.Dialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) N.Dialer {
func NewResolveDialer(router adapter.DNSRouter, dialer N.Dialer, parallel bool, strategy C.DomainStrategy, fallbackDelay time.Duration) N.Dialer {
return &resolveDialer{
dialer,
parallel,
@ -43,7 +41,7 @@ type resolveParallelNetworkDialer struct {
dialer ParallelInterfaceDialer
}
func NewResolveParallelInterfaceDialer(router adapter.Router, dialer ParallelInterfaceDialer, parallel bool, strategy dns.DomainStrategy, fallbackDelay time.Duration) ParallelInterfaceDialer {
func NewResolveParallelInterfaceDialer(router adapter.DNSRouter, dialer ParallelInterfaceDialer, parallel bool, strategy C.DomainStrategy, fallbackDelay time.Duration) ParallelInterfaceDialer {
return &resolveParallelNetworkDialer{
resolveDialer{
dialer,
@ -60,22 +58,13 @@ func (d *resolveDialer) DialContext(ctx context.Context, network string, destina
if !destination.IsFqdn() {
return d.dialer.DialContext(ctx, network, destination)
}
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""
var addresses []netip.Addr
var err error
if d.strategy == dns.DomainStrategyAsIS {
addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
} else {
addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
}
addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Strategy: d.strategy})
if err != nil {
return nil, err
}
if d.parallel {
return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, d.fallbackDelay)
return N.DialParallel(ctx, d.dialer, network, destination, addresses, d.strategy == C.DomainStrategyPreferIPv6, d.fallbackDelay)
} else {
return N.DialSerial(ctx, d.dialer, network, destination, addresses)
}
@ -85,17 +74,8 @@ func (d *resolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
if !destination.IsFqdn() {
return d.dialer.ListenPacket(ctx, destination)
}
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""
var addresses []netip.Addr
var err error
if d.strategy == dns.DomainStrategyAsIS {
addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
} else {
addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
}
addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Strategy: d.strategy})
if err != nil {
return nil, err
}
@ -110,17 +90,10 @@ func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context
if !destination.IsFqdn() {
return d.dialer.DialContext(ctx, network, destination)
}
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""
var addresses []netip.Addr
var err error
if d.strategy == dns.DomainStrategyAsIS {
addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
} else {
addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
}
addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{
Strategy: d.strategy,
})
if err != nil {
return nil, err
}
@ -128,7 +101,7 @@ func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context
fallbackDelay = d.fallbackDelay
}
if d.parallel {
return DialParallelNetwork(ctx, d.dialer, network, destination, addresses, d.strategy == dns.DomainStrategyPreferIPv6, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
return DialParallelNetwork(ctx, d.dialer, network, destination, addresses, d.strategy == C.DomainStrategyPreferIPv6, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
} else {
return DialSerialNetwork(ctx, d.dialer, network, destination, addresses, strategy, interfaceType, fallbackInterfaceType, fallbackDelay)
}
@ -138,17 +111,8 @@ func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.C
if !destination.IsFqdn() {
return d.dialer.ListenPacket(ctx, destination)
}
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""
var addresses []netip.Addr
var err error
if d.strategy == dns.DomainStrategyAsIS {
addresses, err = d.router.LookupDefault(ctx, destination.Fqdn)
} else {
addresses, err = d.router.Lookup(ctx, destination.Fqdn, d.strategy)
}
addresses, err := d.router.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{Strategy: d.strategy})
if err != nil {
return nil, err
}