mirror of
https://github.com/SagerNet/sing-box.git
synced 2025-04-03 11:57:37 +03:00
93 lines
2.9 KiB
Go
93 lines
2.9 KiB
Go
package adapter
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import (
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"context"
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"net/netip"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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E "github.com/sagernet/sing/common/exceptions"
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"github.com/sagernet/sing/common/logger"
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"github.com/sagernet/sing/service"
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"github.com/miekg/dns"
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)
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type DNSRouter interface {
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Lifecycle
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Exchange(ctx context.Context, message *dns.Msg, options DNSQueryOptions) (*dns.Msg, error)
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Lookup(ctx context.Context, domain string, options DNSQueryOptions) ([]netip.Addr, error)
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ClearCache()
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LookupReverseMapping(ip netip.Addr) (string, bool)
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ResetNetwork()
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}
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type DNSClient interface {
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Start()
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Exchange(ctx context.Context, transport DNSTransport, message *dns.Msg, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) (*dns.Msg, error)
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Lookup(ctx context.Context, transport DNSTransport, domain string, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error)
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LookupCache(domain string, strategy C.DomainStrategy) ([]netip.Addr, bool)
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ExchangeCache(ctx context.Context, message *dns.Msg) (*dns.Msg, bool)
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ClearCache()
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}
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type DNSQueryOptions struct {
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Transport DNSTransport
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Strategy C.DomainStrategy
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DisableCache bool
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RewriteTTL *uint32
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ClientSubnet netip.Prefix
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}
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func DNSQueryOptionsFrom(ctx context.Context, options *option.DomainResolveOptions) (*DNSQueryOptions, error) {
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if options == nil {
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return &DNSQueryOptions{}, nil
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}
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transportManager := service.FromContext[DNSTransportManager](ctx)
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transport, loaded := transportManager.Transport(options.Server)
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if !loaded {
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return nil, E.New("domain resolver not found: " + options.Server)
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}
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return &DNSQueryOptions{
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Transport: transport,
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Strategy: C.DomainStrategy(options.Strategy),
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DisableCache: options.DisableCache,
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RewriteTTL: options.RewriteTTL,
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ClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
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}, nil
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}
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type RDRCStore interface {
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LoadRDRC(transportName string, qName string, qType uint16) (rejected bool)
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SaveRDRC(transportName string, qName string, qType uint16) error
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SaveRDRCAsync(transportName string, qName string, qType uint16, logger logger.Logger)
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}
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type DNSTransport interface {
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Lifecycle
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Type() string
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Tag() string
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Dependencies() []string
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Exchange(ctx context.Context, message *dns.Msg) (*dns.Msg, error)
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}
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type LegacyDNSTransport interface {
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LegacyStrategy() C.DomainStrategy
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LegacyClientSubnet() netip.Prefix
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}
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type DNSTransportRegistry interface {
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option.DNSTransportOptionsRegistry
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CreateDNSTransport(ctx context.Context, logger log.ContextLogger, tag string, transportType string, options any) (DNSTransport, error)
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}
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type DNSTransportManager interface {
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Lifecycle
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Transports() []DNSTransport
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Transport(tag string) (DNSTransport, bool)
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Default() DNSTransport
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FakeIP() FakeIPTransport
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Remove(tag string) error
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Create(ctx context.Context, logger log.ContextLogger, tag string, outboundType string, options any) error
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}
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