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fix: generate ClientHelloSpec only once

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This commit is contained in:
Amir Khan 2024-07-18 12:18:32 -04:00
parent 841ef93712
commit 6a73d07bc2
2 changed files with 24 additions and 16 deletions
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1
u_conn.go
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@ -32,6 +32,7 @@ type UConn struct {
sessionController *sessionController
clientHelloBuildStatus ClientHelloBuildStatus
clientHelloSpec *ClientHelloSpec
HandshakeState PubClientHandshakeState

39
u_parrots.go
View file

@ -2588,25 +2588,32 @@ func ShuffleChromeTLSExtensions(exts []TLSExtension) []TLSExtension {
}
func (uconn *UConn) applyPresetByID(id ClientHelloID) (err error) {
var spec ClientHelloSpec
uconn.ClientHelloID = id
// choose/generate the spec
switch id.Client {
case helloRandomized, helloRandomizedNoALPN, helloRandomizedALPN:
spec, err = uconn.generateRandomizedSpec()
if err != nil {
return err
}
case helloCustom:
return nil
default:
spec, err = UTLSIdToSpec(id)
if err != nil {
return err
if uconn.clientHelloSpec == nil {
var spec ClientHelloSpec
uconn.ClientHelloID = id
// choose/generate the spec
switch id.Client {
case helloRandomized, helloRandomizedNoALPN, helloRandomizedALPN:
spec, err = uconn.generateRandomizedSpec()
if err != nil {
return err
}
case helloCustom:
return nil
default:
spec, err = UTLSIdToSpec(id)
if err != nil {
return err
}
}
uconn.clientHelloSpec = &spec
}
return uconn.ApplyPreset(&spec)
return uconn.ApplyPreset(uconn.clientHelloSpec)
}
// ApplyPreset should only be used in conjunction with HelloCustom to apply custom specs.