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<p class="MsoNormal"><span style="font-size:11.0pt">This seems to be a bug in how s_time handles the TLS 1.3 post-handshake NewSessionTicket message; more specifically: not handling the retry when SSL_read() returns -1.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The following diff (in tls1.3-draft-19 branch) appears to resolve the issue:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">$ git diff<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">diff --git a/apps/s_time.c b/apps/s_time.c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">index 998ef72..caa1b22 100644<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">--- a/apps/s_time.c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">+++ b/apps/s_time.c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">@@ -234,8 +234,8 @@ int s_time_main(int argc, char **argv)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New""> fmt_http_get_cmd, www_path);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New""> if (SSL_write(scon, buf, buf_len) <= 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New""> goto end;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">- while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">- bytes_read += i;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">+ while ((i = SSL_read(scon, buf, sizeof(buf))) > 0 || BIO_should_retry(SSL_get_rbio(scon)))<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New"">+ if (i > 0) bytes_read += i;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New""> }</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">--Roelof<o:p></o:p></span></p>
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