43 lines
909 B
Go
43 lines
909 B
Go
package obfs
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import (
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"errors"
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"fmt"
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"net"
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)
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var (
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errTLS12TicketAuthIncorrectMagicNumber = errors.New("tls1.2_ticket_auth incorrect magic number")
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errTLS12TicketAuthTooShortData = errors.New("tls1.2_ticket_auth too short data")
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errTLS12TicketAuthHMACError = errors.New("tls1.2_ticket_auth hmac verifying failed")
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)
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type authData struct {
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clientID [32]byte
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}
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type Obfs interface {
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StreamConn(net.Conn) net.Conn
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}
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type obfsCreator func(b *Base) Obfs
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var obfsList = make(map[string]struct {
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overhead int
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new obfsCreator
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})
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func register(name string, c obfsCreator, o int) {
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obfsList[name] = struct {
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overhead int
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new obfsCreator
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}{overhead: o, new: c}
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}
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func PickObfs(name string, b *Base) (Obfs, int, error) {
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if choice, ok := obfsList[name]; ok {
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return choice.new(b), choice.overhead, nil
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}
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return nil, 0, fmt.Errorf("Obfs %s not supported", name)
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}
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