utils

package
v2.2.2 Latest Latest
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Published: Dec 19, 2021 License: GPL-3.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func BoolLogic

func BoolLogic(ctx context.Context, qCtx *handler.Context, fs []handler.Matcher, logicalAND bool) (matched bool, err error)

func BytesToStringUnsafe

func BytesToStringUnsafe(b []byte) string

BytesToStringUnsafe converts bytes to string.

func GenerateCertificate

func GenerateCertificate(dnsName string) (cert tls.Certificate, err error)

GenerateCertificate generates a ecdsa certificate with given dnsName. This should only use in test.

func GetIPFromAddr

func GetIPFromAddr(addr net.Addr) (ip net.IP)

GetIPFromAddr returns net.IP from net.Addr. Will return nil if no ip address can be parsed.

func GetMsgKey

func GetMsgKey(m *dns.Msg, salt uint16) (string, error)

GetMsgKey unpacks m and set its id to salt.

func GetMsgKeyWithBytesSalt added in v2.2.0

func GetMsgKeyWithBytesSalt(m *dns.Msg, salt []byte) (string, error)

GetMsgKeyWithBytesSalt unpacks m and appends salt to the string.

func GetMsgKeyWithInt64Salt added in v2.2.0

func GetMsgKeyWithInt64Salt(m *dns.Msg, salt int64) (string, error)

GetMsgKeyWithInt64Salt unpacks m and appends salt to the string.

func IsIPAddr

func IsIPAddr(s string) bool

IsIPAddr returns true is s is a IP address. s can contain ":port".

func LoadCertPool

func LoadCertPool(certs []string) (*x509.CertPool, error)

LoadCertPool reads and loads certificates in certs.

func RemoveComment

func RemoveComment(s, symbol string) string

RemoveComment removes comment after "symbol".

func SplitLine

func SplitLine(s string) []string

SplitLine removes all spaces " " and extracts words from s.

func SplitLineReg

func SplitLineReg(s string) []string

SplitLineReg extracts words from s by using regexp "\S+".

func SplitSchemeAndHost

func SplitSchemeAndHost(addr string) (protocol, host string)

SplitSchemeAndHost splits addr to protocol and host.

func SplitString2

func SplitString2(s, symbol string) (s1 string, s2 string, ok bool)

SplitString2 split s to two parts by given symbol

Types

type NetAddr

type NetAddr struct {
	// contains filtered or unexported fields
}

NetAddr implements net.Addr interface.

func NewNetAddr

func NewNetAddr(addr string, network string) *NetAddr

func (*NetAddr) IP

func (n *NetAddr) IP() net.IP

func (*NetAddr) Network

func (n *NetAddr) Network() string

func (*NetAddr) String

func (n *NetAddr) String() string

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