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chore: sync vless encryption code

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This commit is contained in:
wwqgtxx
2025-08-14 23:52:05 +08:00
parent 946b4025df
commit 76e40baebc
5 changed files with 23 additions and 18 deletions
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18
transport/vless/encryption/server.go
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@@ -97,7 +97,7 @@ func (i *ServerInstance) Handshake(conn net.Conn) (net.Conn, error) {
}
c := &ServerConn{Conn: conn}
_, t, l, err := ReadAndDiscardPaddings(c.Conn)
_, t, l, err := ReadAndDiscardPaddings(c.Conn) // allow paddings before client/ticket hello
if err != nil {
return nil, err
}
@@ -117,9 +117,13 @@ func (i *ServerInstance) Handshake(conn net.Conn) (net.Conn, error) {
s := i.sessions[[21]byte(peerTicketHello)]
i.RUnlock()
if s == nil {
noise := make([]byte, randBetween(100, 1000))
rand.Read(noise)
c.Conn.Write(noise) // make client do new handshake
noises := make([]byte, randBetween(100, 1000))
var err error
for err == nil {
rand.Read(noises)
_, _, err = DecodeHeader(noises)
}
c.Conn.Write(noises) // make client do new handshake
return nil, errors.New("expired ticket")
}
if _, replay := s.randoms.LoadOrStore([32]byte(peerTicketHello[21:]), true); replay {
@@ -169,7 +173,7 @@ func (i *ServerInstance) Handshake(conn net.Conn) (net.Conn, error) {
if _, err := c.Conn.Write(serverHello); err != nil {
return nil, err
}
// server can send more padding / PFS AEAD messages if needed
// server can send more paddings / PFS AEAD messages if needed
if i.minutes > 0 {
i.Lock()
@@ -189,8 +193,8 @@ func (c *ServerConn) Read(b []byte) (int, error) {
return 0, nil
}
if c.peerAead == nil {
if c.peerRandom == nil { // from 1-RTT
_, t, l, err := ReadAndDiscardPaddings(c.Conn)
if c.peerRandom == nil { // 1-RTT's 0-RTT
_, t, l, err := ReadAndDiscardPaddings(c.Conn) // allow paddings before ticket hello
if err != nil {
return 0, err
}