mirrors/utls
1
0
Fork 0
mirror of https://github.com/refraction-networking/utls.git synced 2025-04-03 20:17:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

crypto/tls: let HTTP/1.1 clients connect to servers with NextProtos "h2"

Browse source 
Fixes #46310

Change-Id: Idd5e30f05c439f736ae6f3904cbb9cc2ba772315
Reviewed-on: https://go-review.googlesource.com/c/go/+/325432
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This commit is contained in:
Filippo Valsorda 2021-06-07 08:24:22 -04:00
parent ff7a45e2ab
commit 3c6b6127c0
7 changed files with 277 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

15
handshake_server_tls13.go
View file

@ -11,7 +11,6 @@ import (
"crypto/hmac"
"crypto/rsa"
"errors"
"fmt"
"hash"
"io"
"sync/atomic"
@ -551,15 +550,13 @@ func (hs *serverHandshakeStateTLS13) sendServerParameters() error {
encryptedExtensions := new(encryptedExtensionsMsg)
if len(c.config.NextProtos) > 0 && len(hs.clientHello.alpnProtocols) > 0 {
selectedProto := mutualProtocol(hs.clientHello.alpnProtocols, c.config.NextProtos)
if selectedProto == "" {
c.sendAlert(alertNoApplicationProtocol)
return fmt.Errorf("tls: client requested unsupported application protocols (%s)", hs.clientHello.alpnProtocols)
}
encryptedExtensions.alpnProtocol = selectedProto
c.clientProtocol = selectedProto
selectedProto, err := negotiateALPN(c.config.NextProtos, hs.clientHello.alpnProtocols)
if err != nil {
c.sendAlert(alertNoApplicationProtocol)
return err
}
encryptedExtensions.alpnProtocol = selectedProto
c.clientProtocol = selectedProto
hs.transcript.Write(encryptedExtensions.marshal())
if _, err := c.writeRecord(recordTypeHandshake, encryptedExtensions.marshal()); err != nil {