only call the Rejected0RTT() callback on HRR when 0-RTT was tried

[marten-seemann]

This is the relevant diff. For some reason, the diff doesn't work on GitHub this time.

diff --git a/handshake_client_tls13.go b/handshake_client_tls13.go
index 9cade7e..d9f7ba4 100644
--- a/handshake_client_tls13.go
+++ b/handshake_client_tls13.go
@@ -262,10 +262,10 @@ func (hs *clientHandshakeStateTLS13) processHelloRetryRequest() error {
                }
        }

-       if hs.hello.earlyData && c.extraConfig != nil && c.extraConfig.Rejected0RTT != nil {
+       hs.hello.earlyData = false // disable 0-RTT
+       if c.extraConfig != nil && c.extraConfig.Rejected0RTT != nil {
                c.extraConfig.Rejected0RTT()
        }
-       hs.hello.earlyData = false // disable 0-RTT

        hs.transcript.Write(hs.hello.marshal())
        if _, err := c.writeRecord(recordTypeHandshake, hs.hello.marshal()); err != nil {

[codecov]

Codecov Report

Merging #3070 (33037be) into master (f58b456) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3070   +/-   ##
=======================================
  Coverage   86.05%   86.05%           
=======================================
  Files         133      133           
  Lines        9443     9443           
=======================================
  Hits         8126     8126           
  Misses        955      955           
  Partials      362      362           

---

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