Perform a SSL quiet shutdown when close-notify is not sent

iocore/net/SSLNetVConnection.cc

@@ -874,6 +874,11 @@ SSLNetVConnection::do_io_close(int lerrno)
         // Send the close-notify
         int ret = SSL_shutdown(ssl);
         Debug("ssl-shutdown", "SSL_shutdown %s", (ret) ? "success" : "failed");
+      } else {
+        // Request a quiet shutdown to OpenSSL
+        SSL_set_quiet_shutdown(ssl, 1);
+        SSL_set_shutdown(ssl, SSL_RECEIVED_SHUTDOWN | SSL_SENT_SHUTDOWN);
+        Debug("ssl-shutdown", "Enable quiet shutdown");
       }
     }
   }

tests/gold_tests/tls/tls_session_cache.test.py

@@ -0,0 +1,93 @@
+'''
+'''
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import os
+import re
+Test.Summary = '''
+Test tls session cache
+'''
+
+# Define default ATS
+ts = Test.MakeATSProcess("ts", select_ports=True, enable_tls=True)
+server = Test.MakeOriginServer("server")
+
+
+# Add info the origin server responses
+request_header = {"headers": "GET / HTTP/1.1\r\nHost: www.example.com\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
+response_header = {"headers": "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\n", "timestamp": "1469733493.993", "body": ""}
+server.addResponse("sessionlog.json", request_header, response_header)
+
+# add ssl materials like key, certificates for the server
+ts.addSSLfile("ssl/server.pem")
+ts.addSSLfile("ssl/server.key")
+
+ts.Disk.remap_config.AddLine(
+    'map / http://127.0.0.1:{0}'.format(server.Variables.Port)
+)
+
+ts.Disk.ssl_multicert_config.AddLine(
+    'dest_ip=* ssl_cert_name=server.pem ssl_key_name=server.key'
+)
+
+ts.Disk.records_config.update({
+    'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
+    'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
+    'proxy.config.ssl.client.verify.server':  0,
+    'proxy.config.ssl.server.cipher_suite': 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES256-GCM-SHA384:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:RC4-SHA:RC4-MD5:AES128-SHA:AES256-SHA:DES-CBC3-SHA!SRP:!DSS:!PSK:!aNULL:!eNULL:!SSLv2',
+    'proxy.config.exec_thread.autoconfig.scale': 1.0,
+    'proxy.config.ssl.session_cache': 2,
+    'proxy.config.ssl.session_cache.size': 4096,
+    'proxy.config.ssl.session_cache.num_buckets': 256,
+    'proxy.config.ssl.session_cache.skip_cache_on_bucket_contention': 0,
+    'proxy.config.ssl.session_cache.timeout': 0,
+    'proxy.config.ssl.session_cache.auto_clear': 1,
+    'proxy.config.ssl.server.session_ticket.enable': 0,
+})
+
+# Check that Session-ID is the same on every connection
+def checkSession(ev) :
+  retval = False
+  f = open(openssl_output, 'r')
+  err = "Session ids match"
+  if not f:
+    err = "Failed to open {0}".format(openssl_output)
+    return (retval, "Check that session ids match", err)
+
+  content = f.read()
+  match = re.findall('Session-ID: ([0-9A-F]+)', content)
+
+  if match:
+    if all(i == j for i, j in zip(match, match[1:])):
+      err = "{0} reused successfully {1} times".format(match[0], len(match))
+      retval = True
+    else:
+      err = "Session is not being reused as expected"
+  else:
+    err = "Didn't find session id"
+  return (retval, "Check that session ids match", err)
+
+
+tr = Test.AddTestRun("OpenSSL s_client -reconnect")
+tr.Command = 'echo -e "GET / HTTP/1.0\r\n" | openssl s_client -tls1_2 -connect 127.0.0.1:{0} -reconnect'.format(ts.Variables.ssl_port)
+tr.ReturnCode = 0
+# time delay as proxy.config.http.wait_for_cache could be broken
+tr.Processes.Default.StartBefore(server)
+tr.Processes.Default.StartBefore(Test.Processes.ts)
+openssl_output = tr.Processes.Default.Streams.stdout.AbsPath
+tr.Processes.Default.Streams.All.Content = Testers.Lambda(checkSession)
+tr.StillRunningAfter = server