Files
quic-go/internal/handshake/session_ticket.go
Ameame 8ef0a71581 store the RTT in the token, not in the session ticket (#5065)
* remove RTT from session ticket

* save RTT in token

* use mus as rtt unit in token

* move RTT from session state to token on client side

* Rename the rtt variables

Co-authored-by: Marten Seemann <martenseemann@gmail.com>

* Update internal/handshake/token_generator.go

Co-authored-by: Marten Seemann <martenseemann@gmail.com>

* Update token_generator.go

* Update connection.go

* Update token_generator.go

* correct slice  access in fuzz.go

* rearrange connection constructor parameters

---------

Co-authored-by: Marten Seemann <martenseemann@gmail.com>
2025-05-16 12:25:58 +02:00

57 lines
1.3 KiB
Go

package handshake
import (
"bytes"
"errors"
"fmt"
"github.com/quic-go/quic-go/internal/wire"
"github.com/quic-go/quic-go/quicvarint"
)
const sessionTicketRevision = 5
type sessionTicket struct {
Parameters *wire.TransportParameters
}
func (t *sessionTicket) Marshal() []byte {
b := make([]byte, 0, 256)
b = quicvarint.Append(b, sessionTicketRevision)
return t.Parameters.MarshalForSessionTicket(b)
}
func (t *sessionTicket) Unmarshal(b []byte) error {
rev, l, err := quicvarint.Parse(b)
if err != nil {
return errors.New("failed to read session ticket revision")
}
b = b[l:]
if rev != sessionTicketRevision {
return fmt.Errorf("unknown session ticket revision: %d", rev)
}
var tp wire.TransportParameters
if err := tp.UnmarshalFromSessionTicket(b); err != nil {
return fmt.Errorf("unmarshaling transport parameters from session ticket failed: %s", err.Error())
}
t.Parameters = &tp
return nil
}
const extraPrefix = "quic-go1"
func addSessionStateExtraPrefix(b []byte) []byte {
return append([]byte(extraPrefix), b...)
}
func findSessionStateExtraData(extras [][]byte) []byte {
prefix := []byte(extraPrefix)
for _, extra := range extras {
if len(extra) < len(prefix) || !bytes.Equal(prefix, extra[:len(prefix)]) {
continue
}
return extra[len(prefix):]
}
return nil
}