mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-04 12:09:19 +02:00
Add logic to filter TLS_AES_128_CCM_8_SHA256
This commit is contained in:
parent
04278a8940
commit
8006430c15
|
@ -406,10 +406,18 @@ func XtlsFilterTls(buffer buf.MultiBuffer, numberOfPacketToFilter *int, enableXt
|
|||
startsBytes := b.BytesTo(6)
|
||||
if bytes.Equal(tlsServerHandShakeStart, startsBytes[:3]) && startsBytes[5] == 0x02 {
|
||||
total := (int(startsBytes[3])<<8 | int(startsBytes[4])) + 5
|
||||
if b.Len() >= int32(total) {
|
||||
if b.Len() >= int32(total) && total >= 74 {
|
||||
if bytes.Contains(b.BytesTo(int32(total)), tls13SupportedVersions) {
|
||||
*enableXtls = true
|
||||
newError("XtlsFilterTls13 found tls 1.3! ", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
|
||||
sessionIdLen := int32(b.Byte(43))
|
||||
cipherSuite := b.BytesRange(43 + sessionIdLen + 1, 43 + sessionIdLen + 3)
|
||||
cipherNum := uint16(cipherSuite[0]) << 8 | uint16(cipherSuite[1])
|
||||
v, ok := Tls13CipherSuiteDic[cipherNum]
|
||||
if !ok {
|
||||
v = "Unknown cipher!"
|
||||
} else if (v != "TLS_AES_128_CCM_8_SHA256") {
|
||||
*enableXtls = true
|
||||
}
|
||||
newError("XtlsFilterTls13 found tls 1.3! ", buffer.Len(), " ", v).WriteToLog(session.ExportIDToError(ctx))
|
||||
} else {
|
||||
newError("XtlsFilterTls13 found tls 1.2! ", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
|
||||
}
|
||||
|
@ -559,3 +567,11 @@ func XtlsUnpadding(ctx context.Context, buffer buf.MultiBuffer, userUUID []byte,
|
|||
buf.ReleaseMulti(buffer)
|
||||
return mb2
|
||||
}
|
||||
|
||||
var Tls13CipherSuiteDic = map[uint16]string{
|
||||
0x1301 : "TLS_AES_128_GCM_SHA256",
|
||||
0x1302 : "TLS_AES_256_GCM_SHA384",
|
||||
0x1303 : "TLS_CHACHA20_POLY1305_SHA256",
|
||||
0x1304 : "TLS_AES_128_CCM_SHA256",
|
||||
0x1305 : "TLS_AES_128_CCM_8_SHA256",
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue