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show legacy warning only once

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This commit is contained in:
Shelikhoo 2021-04-05 18:55:44 +01:00
parent 2604c7c375
commit e413653b1d
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GPG Key ID: C4D5E79D22B25316
2 changed files with 16 additions and 1 deletions
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4
proxy/vmess/encoding/server.go
View File

@ -199,7 +199,9 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
if s.isAEADForced {
return nil, drainConnection(newError("invalid user: VMessAEAD is enforced and a non VMessAEAD connection is received. You can still disable this security feature with environment variable v2ray.vmess.aead.forced = false . You will not be able to enable legacy header workaround in the future."))
}
newError("Critical Warning: potentially invalid user: a non VMessAEAD connection is received. From 2022 Jan 1st, this kind of connection will be rejected by default. You should update or replace your client software now. ").AtWarning().WriteToLog()
if s.userValidator.ShouldShowLegacyWarn() {
newError("Critical Warning: potentially invalid user: a non VMessAEAD connection is received. From 2022 Jan 1st, this kind of connection will be rejected by default. You should update or replace your client software now. This message will not be shown for further violation on this inbound.").AtWarning().WriteToLog()
}
user = userLegacy
iv := hashTimestamp(md5.New(), timestamp)
vmessAccount = userLegacy.Account.(*vmess.MemoryAccount)

13
proxy/vmess/validator.go
View File

@ -42,6 +42,8 @@ type TimedUserValidator struct {
behaviorFused bool
aeadDecoderHolder *aead.AuthIDDecoderHolder
legacyWarnShown bool
}
type indexTimePair struct {
@ -247,6 +249,17 @@ func (v *TimedUserValidator) BurnTaintFuse(userHash []byte) error {
return ErrNotFound
}
/* ShouldShowLegacyWarn will return whether a Legacy Warning should be shown
Not guaranteed to only return true once for every inbound, but it is okay.
*/
func (v *TimedUserValidator) ShouldShowLegacyWarn() bool {
if v.legacyWarnShown {
return false
}
v.legacyWarnShown = true
return true
}
var ErrNotFound = newError("Not Found")
var ErrTainted = newError("ErrTainted")