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Deprecate legacy VMess header with a planned decommission (#717)

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This commit is contained in:
Xiaokang Wang 2021-03-01 13:26:54 +00:00 committed by GitHub
parent b084b4f980
commit 733c5dea88
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 2 deletions
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7
proxy/vmess/encoding/server.go
View File

@ -191,11 +191,16 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
decryptor = bytes.NewReader(aeadData)
s.isAEADRequest = true
case !s.isAEADForced && errorAEAD == vmessaead.ErrNotFound:
case errorAEAD == vmessaead.ErrNotFound:
userLegacy, timestamp, valid, userValidationError := s.userValidator.Get(buffer.Bytes())
if !valid || userValidationError != nil {
return nil, drainConnection(newError("invalid user").Base(userValidationError))
}
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."))
} else {
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()
}
user = userLegacy
iv := hashTimestamp(md5.New(), timestamp)
vmessAccount = userLegacy.Account.(*vmess.MemoryAccount)

12
proxy/vmess/inbound/inbound.go
View File

@ -353,16 +353,26 @@ func (h *Handler) generateCommand(ctx context.Context, request *protocol.Request
}
var aeadForced = false
var aeadForced2022 = false
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
const defaultFlagValue = "NOT_DEFINED_AT_ALL"
var defaultFlagValue = "NOT_DEFINED_AT_ALL"
if time.Now().Year() >= 2022 {
defaultFlagValue = "true_by_default_2022"
}
isAeadForced := platform.NewEnvFlag("v2ray.vmess.aead.forced").GetValue(func() string { return defaultFlagValue })
if isAeadForced == "true" {
aeadForced = true
}
if isAeadForced == "true_by_default_2022" {
aeadForced = true
aeadForced2022 = true
}
}