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fix: generate ClientHelloSpec only once (#306)

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* fix: generate ClientHelloSpec only once

* chore: remove empty line in u_parrots.go

Co-authored-by: Gaukas Wang <i@gauk.as>
Signed-off-by: adotkhan <61702862+adotkhan@users.noreply.github.com>

---------

Signed-off-by: adotkhan <61702862+adotkhan@users.noreply.github.com>
Co-authored-by: Gaukas Wang <i@gauk.as>
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adotkhan 2024-07-19 10:03:27 -04:00 • committed by GitHub
parent 841ef93712
commit 4a28d1af44
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2 changed files with 23 additions and 16 deletions
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38
u_parrots.go
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@ -2588,25 +2588,31 @@ 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.