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Published: Nov 25, 2023 License: GPL-3.0 Imports: 28 Imported by: 0




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const (
	IfaceTTL    = time.Second * 20
	DHCPTTL     = time.Hour
	DHCPTimeout = time.Minute


This section is empty.


func NewDomainFilter

func NewDomainFilter(domains []string) *domainFilter

func ReCreateServer

func ReCreateServer(addr string, resolver *Resolver, mapper *ResolverEnhancer)


type Config

type Config struct {
	Main, Fallback []NameServer
	Default        []NameServer
	IPv6           bool
	EnhancedMode   C.DNSMode
	FallbackFilter FallbackFilter
	Pool           *fakeip.Pool
	Hosts          *trie.DomainTrie
	Policy         map[string]NameServer
	SearchDomains  []string

type FallbackFilter

type FallbackFilter struct {
	GeoIP     bool
	GeoIPCode string
	IPCIDR    []*net.IPNet
	Domain    []string

type NameServer

type NameServer struct {
	Net       string
	Addr      string
	Interface string

type Resolver

type Resolver struct {
	// contains filtered or unexported fields

func NewResolver

func NewResolver(config Config) *Resolver

func (*Resolver) Exchange

func (r *Resolver) Exchange(m *D.Msg) (msg *D.Msg, err error)

Exchange a batch of dns request, and it use cache

func (*Resolver) ExchangeContext

func (r *Resolver) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, err error)

ExchangeContext a batch of dns request with context.Context, and it use cache

func (*Resolver) LookupIP

func (r *Resolver) LookupIP(ctx context.Context, host string) (ip []net.IP, err error)

LookupIP request with TypeA and TypeAAAA, priority return TypeA

func (*Resolver) LookupIPv4

func (r *Resolver) LookupIPv4(ctx context.Context, host string) ([]net.IP, error)

LookupIPv4 request with TypeA

func (*Resolver) LookupIPv6

func (r *Resolver) LookupIPv6(ctx context.Context, host string) ([]net.IP, error)

LookupIPv6 request with TypeAAAA

func (*Resolver) ResolveIP

func (r *Resolver) ResolveIP(host string) (ip net.IP, err error)

ResolveIP request with TypeA and TypeAAAA, priority return TypeA

func (*Resolver) ResolveIPv4

func (r *Resolver) ResolveIPv4(host string) (ip net.IP, err error)

ResolveIPv4 request with TypeA

func (*Resolver) ResolveIPv6

func (r *Resolver) ResolveIPv6(host string) (ip net.IP, err error)

ResolveIPv6 request with TypeAAAA

type ResolverEnhancer

type ResolverEnhancer struct {
	// contains filtered or unexported fields

func NewEnhancer

func NewEnhancer(cfg Config) *ResolverEnhancer

func (*ResolverEnhancer) FakeIPEnabled

func (h *ResolverEnhancer) FakeIPEnabled() bool

func (*ResolverEnhancer) FindHostByIP

func (h *ResolverEnhancer) FindHostByIP(ip net.IP) (string, bool)

func (*ResolverEnhancer) IsExistFakeIP

func (h *ResolverEnhancer) IsExistFakeIP(ip net.IP) bool

func (*ResolverEnhancer) IsFakeIP

func (h *ResolverEnhancer) IsFakeIP(ip net.IP) bool

func (*ResolverEnhancer) MappingEnabled

func (h *ResolverEnhancer) MappingEnabled() bool

func (*ResolverEnhancer) PatchFrom

func (h *ResolverEnhancer) PatchFrom(o *ResolverEnhancer)

type Server

type Server struct {
	// contains filtered or unexported fields

func (*Server) ServeDNS

func (s *Server) ServeDNS(w D.ResponseWriter, r *D.Msg)

ServeDNS implement D.Handler ServeDNS

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