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fix nil pointer deref at http upgrade transport hub

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This commit is contained in:
Shelikhoo 2023-10-28 03:45:39 +01:00
parent bf7684c790
commit 6cb780fea5
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GPG Key ID: C4D5E79D22B25316
1 changed files with 2 additions and 1 deletions
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3
transport/internet/httpupgrade/hub.go
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@ -34,6 +34,7 @@ func (s *server) Handle(conn net.Conn) (internet.Connection, error) {
connection := strings.ToLower(req.Header.Get("Connection"))
upgrade := strings.ToLower(req.Header.Get("Upgrade"))
if connection != "upgrade" || upgrade != "websocket" {
_ = conn.Close()
return nil, newError("unrecognized request")
}
resp := &http.Response{
@ -48,6 +49,7 @@ func (s *server) Handle(conn net.Conn) (internet.Connection, error) {
resp.Header.Set("Upgrade", "websocket")
err = resp.Write(conn)
if err != nil {
_ = conn.Close()
return nil, err
}
return internet.Connection(conn), nil
@ -62,7 +64,6 @@ func (s *server) keepAccepting() {
handledConn, err := s.Handle(conn)
if err != nil {
newError("failed to handle request").Base(err).WriteToLog()
common.Must(handledConn.Close())
continue
}
s.addConn(handledConn)