dns

package

v0.0.0-...-e25560c Latest Latest Go to latest Published: Aug 10, 2023 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/intxff/rdcross

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Documentation ¶

Overview ¶

copied from https://github.com/coredns/coredns/blob/master/plugin/pkg/dnsutil/reverse.go

Index ¶

Constants
func ExtractAddressFromReverse(reverseName string) string
func GetDomainByIP(ip net.IP) (string, bool)
func IsReverse(name string) int
func ResolveIP(domain string) ([]net.IP, error)
func ResolveIPv4(domain string) ([]net.IP, error)
func ResolveIPv6(domain string) ([]net.IP, error)
type DNS
- func (d *DNS) NewServer(pool *fakeip.FakeIP) *DNSServer
type DNSServer
type FakeIP

Constants ¶

View Source

const (
	// IP4arpa is the reverse tree suffix for v4 IP addresses.
	IP4arpa = ".in-addr.arpa."
	// IP6arpa is the reverse tree suffix for v6 IP addresses.
	IP6arpa = ".ip6.arpa."
)

Variables ¶

This section is empty.

Functions ¶

func ExtractAddressFromReverse ¶

func ExtractAddressFromReverse(reverseName string) string

ExtractAddressFromReverse turns a standard PTR reverse record name into an IP address. This works for ipv4 or ipv6.

54.119.58.176.in-addr.arpa. becomes 176.58.119.54. If the conversion fails the empty string is returned.

func GetDomainByIP ¶

func GetDomainByIP(ip net.IP) (string, bool)

func IsReverse ¶

func IsReverse(name string) int

IsReverse returns 0 is name is not in a reverse zone. Anything > 0 indicates name is in a reverse zone. The returned integer will be 1 for in-addr.arpa. (IPv4) and 2 for ip6.arpa. (IPv6).

func ResolveIP ¶

func ResolveIP(domain string) ([]net.IP, error)

func ResolveIPv4 ¶

func ResolveIPv4(domain string) ([]net.IP, error)

func ResolveIPv6 ¶

func ResolveIPv6(domain string) ([]net.IP, error)

Types ¶

type DNS ¶

type DNS struct {
	Enable   bool     `yaml:"enable"`
	Listen   string   `yaml:"listen"`
	Upstream []string `yaml:"upstream"`
	FakeIP   FakeIP   `yaml:"fakeip"`
}

func (*DNS) NewServer ¶

func (d *DNS) NewServer(pool *fakeip.FakeIP) *DNSServer

type DNSServer ¶

type DNSServer struct {
	*dns.Server
}

type FakeIP ¶

type FakeIP struct {
	Enable bool   `yaml:"enable"`
	Cidr   string `yaml:"cidr"`
	Ttl    int    `yaml:"ttl"`
}

Source Files ¶

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