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Always disable cache for fake-ip DNS transport if independent_cache
disabled
This commit is contained in:
parent
71d1879bd6
commit
2ae192305c
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@ -69,6 +69,7 @@ type Router struct {
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geositeCache map[string]adapter.Rule
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needFindProcess bool
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dnsClient *dns.Client
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dnsIndependentCache bool
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defaultDomainStrategy dns.DomainStrategy
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dnsRules []adapter.DNSRule
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ruleSets []adapter.RuleSet
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@ -122,6 +123,7 @@ func NewRouter(
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geositeOptions: common.PtrValueOrDefault(options.Geosite),
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geositeCache: make(map[string]adapter.Rule),
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needFindProcess: hasRule(options.Rules, isProcessRule) || hasDNSRule(dnsOptions.Rules, isProcessDNSRule) || options.FindProcess,
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dnsIndependentCache: dnsOptions.IndependentCache,
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defaultDetour: options.Final,
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defaultDomainStrategy: dns.DomainStrategy(dnsOptions.Strategy),
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interfaceFinder: control.NewDefaultInterfaceFinder(),
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@ -56,7 +56,8 @@ func (r *Router) matchDNS(ctx context.Context, allowFakeIP bool, index int) (con
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r.dnsLogger.ErrorContext(ctx, "transport not found: ", detour)
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continue
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}
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if _, isFakeIP := transport.(adapter.FakeIPTransport); isFakeIP && !allowFakeIP {
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_, isFakeIP := transport.(adapter.FakeIPTransport)
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if isFakeIP && !allowFakeIP {
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continue
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}
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displayRuleIndex := ruleIndex
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@ -64,7 +65,7 @@ func (r *Router) matchDNS(ctx context.Context, allowFakeIP bool, index int) (con
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displayRuleIndex += index + 1
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}
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r.dnsLogger.DebugContext(ctx, "match[", displayRuleIndex, "] ", rule.String(), " => ", detour)
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if rule.DisableCache() {
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if (isFakeIP && !r.dnsIndependentCache) || rule.DisableCache() {
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ctx = dns.ContextWithDisableCache(ctx, true)
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}
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if rewriteTTL := rule.RewriteTTL(); rewriteTTL != nil {
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@ -93,9 +94,10 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, er
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r.dnsLogger.DebugContext(ctx, "exchange ", formatQuestion(message.Question[0].String()))
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}
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var (
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response *mDNS.Msg
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cached bool
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err error
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response *mDNS.Msg
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cached bool
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transport dns.Transport
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err error
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)
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response, cached = r.dnsClient.ExchangeCache(ctx, message)
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if !cached {
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@ -112,7 +114,6 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, er
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metadata.Domain = fqdnToDomain(message.Question[0].Name)
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}
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var (
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transport dns.Transport
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strategy dns.DomainStrategy
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rule adapter.DNSRule
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ruleIndex int
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@ -158,17 +159,22 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, er
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break
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}
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}
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if err != nil {
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return nil, err
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}
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if r.dnsReverseMapping != nil && len(message.Question) > 0 && response != nil && len(response.Answer) > 0 {
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for _, answer := range response.Answer {
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switch record := answer.(type) {
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case *mDNS.A:
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r.dnsReverseMapping.Save(M.AddrFromIP(record.A), fqdnToDomain(record.Hdr.Name), int(record.Hdr.Ttl))
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case *mDNS.AAAA:
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r.dnsReverseMapping.Save(M.AddrFromIP(record.AAAA), fqdnToDomain(record.Hdr.Name), int(record.Hdr.Ttl))
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if _, isFakeIP := transport.(adapter.FakeIPTransport); !isFakeIP {
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for _, answer := range response.Answer {
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switch record := answer.(type) {
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case *mDNS.A:
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r.dnsReverseMapping.Save(M.AddrFromIP(record.A), fqdnToDomain(record.Hdr.Name), int(record.Hdr.Ttl))
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case *mDNS.AAAA:
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r.dnsReverseMapping.Save(M.AddrFromIP(record.AAAA), fqdnToDomain(record.Hdr.Name), int(record.Hdr.Ttl))
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}
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}
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}
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}
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return response, err
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return response, nil
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}
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func (r *Router) Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error) {
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