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WIP support for chrome 119 #3

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WIP support for chrome 119 #3

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51d43d8
WIP support for chrome 119
hellais Dec 7, 2023
d6a7f76
Remove comment about cookie support
hellais Dec 7, 2023
e4efbfc
Format u_tls
hellais Dec 7, 2023
4d4b3b6
Fix
hellais Dec 7, 2023
bc4c7b1
Fix import
hellais Dec 7, 2023
12ee05c
Fix status request format
hellais Dec 7, 2023
71ce36c
Temporarily disable ECH extension
hellais Dec 7, 2023
a61bcd0
comment out hex
hellais Dec 7, 2023
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18 changes: 18 additions & 0 deletions tls/u_tls.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package tls
import (
"bytes"
"compress/zlib"
//"encoding/hex"
"fmt"
"io"

Expand All @@ -16,6 +17,7 @@ const (
extensionEMS uint16 = 23
extensionCompressCertificate uint16 = 27
extensionApplicationSetting uint16 = 0x4469
extensionECH uint16 = 0xfe0d // Unknown type 65037
)

const (
Expand Down Expand Up @@ -299,6 +301,21 @@ func transformClientHello(mRaw []byte, noGreaseKeyshare bool) []byte {
b.AddUint16(BoringGrease(random, ssl_grease_extension1))
b.AddUint16(0x0000)

b.AddUint16(extensionStatusRequest)
b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
b.AddUint8(1) // status_type = ocsp
b.AddUint16(0) // empty responder_id_list
b.AddUint16(0) // empty request_extensions
})

/*
b.AddUint16(extensionECH)
b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
h, _ := hex.DecodeString("0000010001630020c4e7a7065a0b30728687f639a13136972e642bf192277508e88c3c2ea1a9824f00b0ddea441241f9211290af1bf57d17e327bf97842f074145b558f0f41afd8b60a0ea52fda19aaeb60a0254633577a2ca7ae68421b4c664038c31af05e7af14dadcddc53b9b0c7b9ceeb4ed8eafdcbd9657c94e0e9821c2690cf81a3d906e3b0f27ab525aaf59d94a3aac0ec9812c4b09ff8be446ef182f45ee92e37578ef60bef71e44cd10055d0310a5b51c59a8370decbcadc5095a9fc665460804f71a552a2514ba6d8ea71dccbf01de2d0e552d871b")
b.AddBytes(h)
})
*/

if len(sniExtensionData) > 0 {
b.AddUint16(extensionServerName)
b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
Expand Down Expand Up @@ -368,6 +385,7 @@ func transformClientHello(mRaw []byte, noGreaseKeyshare bool) []byte {
if !noGreaseKeyshare {
b.AddUint16(BoringGrease(random, ssl_grease_group))
b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
b.AddUint16(1)
b.AddUint8(0)
})
}
Expand Down