Xray-core/proxy/shadowtls/utls.go
2023-02-21 23:00:30 +08:00

106 lines
3.5 KiB
Go

package shadowtls
import (
"crypto/rand"
"math/big"
utls "github.com/sagernet/utls"
)
func init() {
bigInt, _ := rand.Int(rand.Reader, big.NewInt(int64(len(ModernFingerprints))))
stopAt := int(bigInt.Int64())
i := 0
for _, v := range ModernFingerprints {
if i == stopAt {
PresetFingerprints["random"] = v
break
}
i++
}
weights := utls.DefaultWeights
weights.TLSVersMax_Set_VersionTLS13 = 1
weights.FirstKeyShare_Set_CurveP256 = 0
randomized := utls.HelloRandomized
randomized.Seed, _ = utls.NewPRNGSeed()
randomized.Weights = &weights
PresetFingerprints["randomized"] = &randomized
}
func GetFingerprint(name string) (fingerprint *utls.ClientHelloID) {
if name == "" {
return
}
if fingerprint = PresetFingerprints[name]; fingerprint != nil {
return
}
if fingerprint = ModernFingerprints[name]; fingerprint != nil {
return
}
if fingerprint = OtherFingerprints[name]; fingerprint != nil {
return
}
return
}
var PresetFingerprints = map[string]*utls.ClientHelloID{
// Recommended preset options in GUI clients
"chrome": &utls.HelloChrome_Auto,
"firefox": &utls.HelloFirefox_Auto,
"safari": &utls.HelloSafari_Auto,
"ios": &utls.HelloIOS_Auto,
"android": &utls.HelloAndroid_11_OkHttp,
"edge": &utls.HelloEdge_Auto,
"360": &utls.Hello360_Auto,
"qq": &utls.HelloQQ_Auto,
"random": nil,
"randomized": nil,
}
var ModernFingerprints = map[string]*utls.ClientHelloID{
// One of these will be chosen as `random` at startup
"hellofirefox_99": &utls.HelloFirefox_99,
"hellofirefox_102": &utls.HelloFirefox_102,
"hellofirefox_105": &utls.HelloFirefox_105,
"hellochrome_83": &utls.HelloChrome_83,
"hellochrome_87": &utls.HelloChrome_87,
"hellochrome_96": &utls.HelloChrome_96,
"hellochrome_100": &utls.HelloChrome_100,
"hellochrome_102": &utls.HelloChrome_102,
"hellochrome_106_shuffle": &utls.HelloChrome_106_Shuffle,
"helloios_13": &utls.HelloIOS_13,
"helloios_14": &utls.HelloIOS_14,
"helloedge_85": &utls.HelloEdge_85,
"helloedge_106": &utls.HelloEdge_106,
"hellosafari_16_0": &utls.HelloSafari_16_0,
"hello360_11_0": &utls.Hello360_11_0,
"helloqq_11_1": &utls.HelloQQ_11_1,
}
var OtherFingerprints = map[string]*utls.ClientHelloID{
// Golang, randomized, auto, and fingerprints that are too old
"hellogolang": &utls.HelloGolang,
"hellorandomized": &utls.HelloRandomized,
"hellorandomizedalpn": &utls.HelloRandomizedALPN,
"hellorandomizednoalpn": &utls.HelloRandomizedNoALPN,
"hellofirefox_auto": &utls.HelloFirefox_Auto,
"hellofirefox_55": &utls.HelloFirefox_55,
"hellofirefox_56": &utls.HelloFirefox_56,
"hellofirefox_63": &utls.HelloFirefox_63,
"hellofirefox_65": &utls.HelloFirefox_65,
"hellochrome_auto": &utls.HelloChrome_Auto,
"hellochrome_58": &utls.HelloChrome_58,
"hellochrome_62": &utls.HelloChrome_62,
"hellochrome_70": &utls.HelloChrome_70,
"hellochrome_72": &utls.HelloChrome_72,
"helloios_auto": &utls.HelloIOS_Auto,
"helloios_11_1": &utls.HelloIOS_11_1,
"helloios_12_1": &utls.HelloIOS_12_1,
"helloandroid_11_okhttp": &utls.HelloAndroid_11_OkHttp,
"helloedge_auto": &utls.HelloEdge_Auto,
"hellosafari_auto": &utls.HelloSafari_Auto,
"hello360_auto": &utls.Hello360_Auto,
"hello360_7_5": &utls.Hello360_7_5,
"helloqq_auto": &utls.HelloQQ_Auto,
}