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Refactor: new Shadowsocks validator (#629)

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* Refactor: new Shadowsocks validator

* Fix NoneCliper cannot work

* Feat: refine the size of drain

* fix: fix validator after merge 'main'

* fix: UDP user logic

* style: refine code style
This commit is contained in:
秋のかえで 2021-11-01 10:10:26 +08:00 • committed by GitHub
parent dd6769954c
commit 63d0cb1bd6
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4 changed files with 139 additions and 187 deletions
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25
proxy/shadowsocks/config.go
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@ -7,8 +7,6 @@ import (
"crypto/md5"
"crypto/sha1"
"io"
"reflect"
"strconv"
"golang.org/x/crypto/chacha20poly1305"
"golang.org/x/crypto/hkdf"
@ -28,6 +26,10 @@ type MemoryAccount struct {
replayFilter antireplay.GeneralizedReplayFilter
}
var (
ErrIVNotUnique = newError("IV is not unique")
)
// Equals implements protocol.Account.Equals().
func (a *MemoryAccount) Equals(another protocol.Account) bool {
if account, ok := another.(*MemoryAccount); ok {
@ -43,24 +45,7 @@ func (a *MemoryAccount) CheckIV(iv []byte) error {
if a.replayFilter.Check(iv) {
return nil
}
return newError("IV is not unique")
}
func (a *MemoryAccount) GetCipherName() string {
switch a.Cipher.(type) {
case *AEADCipher:
switch reflect.ValueOf(a.Cipher.(*AEADCipher).AEADAuthCreator).Pointer() {
case reflect.ValueOf(createAesGcm).Pointer():
keyBytes := a.Cipher.(*AEADCipher).KeyBytes
return "AES_" + strconv.FormatInt(int64(keyBytes*8), 10) + "_GCM"
case reflect.ValueOf(createChaCha20Poly1305).Pointer():
return "CHACHA20_POLY1305"
}
case *NoneCipher:
return "NONE"
}
return ""
return ErrIVNotUnique
}
func createAesGcm(key []byte) cipher.AEAD {