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refactor: Outbound domain resolver

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世界 2025-01-12 12:45:27 +08:00
parent 6c9e61a0a0
commit 360b25e53c
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GPG key ID: CD109927C34A63C4
33 changed files with 392 additions and 167 deletions
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50
option/dns.go
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@ -4,7 +4,6 @@ import (
"context"
"net/netip"
"net/url"
"os"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/experimental/deprecated"
@ -121,11 +120,6 @@ func (o *NewDNSServerOptions) Upgrade(ctx context.Context) error {
if o.Type != C.DNSTypeLegacy {
return nil
}
defer func() {
encoder := json.NewEncoder(os.Stderr)
encoder.SetIndent("", " ")
encoder.Encode(o)
}()
options := o.Options.(*LegacyDNSServerOptions)
serverURL, _ := url.Parse(options.Address)
var serverType string
@ -139,18 +133,34 @@ func (o *NewDNSServerOptions) Upgrade(ctx context.Context) error {
serverType = C.DNSTypeUDP
}
}
remoteOptions := RemoteDNSServerOptions{
LocalDNSServerOptions: LocalDNSServerOptions{
DialerOptions: DialerOptions{
Detour: options.Detour,
var remoteOptions RemoteDNSServerOptions
if options.Detour == "" {
remoteOptions = RemoteDNSServerOptions{
LocalDNSServerOptions: LocalDNSServerOptions{
LegacyStrategy: options.Strategy,
LegacyDefaultDialer: options.Detour == "",
LegacyClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
},
LegacyStrategy: options.Strategy,
LegacyDefaultDialer: options.Detour == "",
LegacyClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
},
AddressResolver: options.AddressResolver,
AddressStrategy: options.AddressStrategy,
AddressFallbackDelay: options.AddressFallbackDelay,
LegacyAddressResolver: options.AddressResolver,
LegacyAddressStrategy: options.AddressStrategy,
LegacyAddressFallbackDelay: options.AddressFallbackDelay,
}
} else {
remoteOptions = RemoteDNSServerOptions{
LocalDNSServerOptions: LocalDNSServerOptions{
DialerOptions: DialerOptions{
Detour: options.Detour,
DomainResolver: &DomainResolveOptions{
Server: options.AddressResolver,
Strategy: options.AddressStrategy,
},
FallbackDelay: options.AddressFallbackDelay,
},
LegacyStrategy: options.Strategy,
LegacyDefaultDialer: options.Detour == "",
LegacyClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
},
}
}
switch serverType {
case C.DNSTypeLocal:
@ -291,9 +301,9 @@ type LocalDNSServerOptions struct {
type RemoteDNSServerOptions struct {
LocalDNSServerOptions
ServerOptions
AddressResolver string `json:"address_resolver,omitempty"`
AddressStrategy DomainStrategy `json:"address_strategy,omitempty"`
AddressFallbackDelay badoption.Duration `json:"address_fallback_delay,omitempty"`
LegacyAddressResolver string `json:"-"`
LegacyAddressStrategy DomainStrategy `json:"-"`
LegacyAddressFallbackDelay badoption.Duration `json:"-"`
}
type RemoteTLSDNSServerOptions struct {