Revert "Merge pull request #2377 from Bairdo/chewie-radius"

This reverts commit b252afe, reversing
changes made to a76f710.

Author: Josh Bailey

faucet/faucet_dot1x.py

@@ -29,6 +29,11 @@
 class FaucetDot1x:
     """Wrapper for experimental Chewie 802.1x authenticator."""
 
+    # TODO: support other credentials.
+    CREDENTIALS = {
+        'gary': 'microphone',
+    }
+
     def __init__(self, logger, metrics, send_flow_msgs):
         self.logger = logger
         self.metrics = metrics
@@ -39,10 +44,10 @@ def __init__(self, logger, metrics, send_flow_msgs):
         self.dot1x_port = None
 
     def _create_dot1x_speaker(self):
-        chewie = Chewie(  # pylint: disable=too-many-function-args
-            self.dot1x_intf, self.logger,
-            self.auth_handler, self.failure_handler, self.logoff_handler,
-            '127.0.0.1')
+        chewie = Chewie(
+            self.dot1x_intf, self.CREDENTIALS,
+            self.logger, self.auth_handler,
+            MacAddress.from_string('00:00:00:00:00:01'))
         hub.spawn(chewie.run)
         return chewie
 
@@ -59,17 +64,17 @@ def auth_handler(self, address, _group_address):
         if flowmods:
             self._send_flow_msgs(self._valve, flowmods)
 
-    def logoff_handler(self, address, _):
+    def logoff_handler(self, address):
         """Callback for when an EAP logoff happens."""
         self.logger.info('Logoff from MAC %s on %s',
                          str(address), self.dot1x_port)
         self.metrics.inc_var('dp_dot1x_logoff', self._valve.base_prom_labels)
         self.metrics.inc_var('port_dot1x_logoff', self._valve.port_labels(self.dot1x_port))
-        flowmods = self._valve.del_authed_mac(self.dot1x_port.number, str(address))
+        flowmods = self._valve.del_authed_mac(self.dot1x_port.number, address)
         if flowmods:
             self._send_flow_msgs(self._valve, flowmods)
 
-    def failure_handler(self, address, _):
+    def failure_handler(self, address):
         """Callback for when a EAP failure happens."""
         self.logger.info('Failure from MAC %s on %s',
                          str(address), self.dot1x_port)

faucet/valve.py

@@ -1476,7 +1476,7 @@ def del_authed_mac(self, port_num, mac):
             priority=self.dp.highest_priority,
             strict=True
         )
-        return ofmsg
+        return [ofmsg]
 
     def add_route(self, vlan, ip_gw, ip_dst):
         """Add route to VLAN routing table."""

tests/integration/mininet_tests.py

@@ -13,7 +13,6 @@
 import os
 import random
 import re
-import shutil
 import socket
 import threading
 import time
@@ -156,7 +155,7 @@ def test_untagged(self):
         self.verify_events_log(event_log)
 
 
-class FaucetSingle8021XSuccessTest(FaucetUntaggedTest):
+class FaucetUntagged8021XSuccessTest(FaucetUntaggedTest):
 
     SOFTWARE_ONLY = True
 
@@ -223,7 +222,7 @@ class FaucetSingle8021XSuccessTest(FaucetUntaggedTest):
 network={
     key_mgmt=IEEE8021X
     eap=MD5
-    identity="user"
+    identity="user@example.com"
     password="microphone"
 }
 """
@@ -248,19 +247,11 @@ def _write_faucet_config(self):
 
         self.CONFIG = self.CONFIG.replace('NFV_INTF', str(nfv_intf))
         self.CONFIG_GLOBAL = self.CONFIG_GLOBAL.replace("NFV_MAC", nfv_intf.MAC())
-        super(FaucetSingle8021XSuccessTest, self)._write_faucet_config()
+        super(FaucetUntagged8021XSuccessTest, self)._write_faucet_config()
 
     def setUp(self):
-        super(FaucetSingle8021XSuccessTest, self).setUp()
+        super(FaucetUntagged8021XSuccessTest, self).setUp()
         self.host_drop_all_ips(self.nfv_host)
-        self.radius_port = 1812
-        # self.radius_port = mininet_test_util.find_free_port(
-        #     self.ports_sock, self._test_name())
-        self.start_freeradius()
-
-    def tearDown(self):
-        self.nfv_host.cmd('kill %d' % self.freeradius_pid)
-        super(FaucetSingle8021XSuccessTest, self).tearDown()
 
     def try_8021x(self, and_logff=False):
         tcpdump_filter = 'ether proto 0x888e'
@@ -272,28 +263,22 @@ def try_8021x(self, and_logff=False):
 
     def test_untagged(self):
         tcpdump_txt = self.try_8021x(and_logff=True)
-
         self.assertIn('Success', tcpdump_txt)
         self.assertEqual(
             1,
-            self.scrape_prometheus_var('dp_dot1x_success', default=0))
-        self.assertEqual(
-            1,
-            self.scrape_prometheus_var('port_dot1x_success', labels={'port': 1}, default=0))
+            self.scrape_prometheus_var('dp_dot1x_success', any_labels=True, default=0))
         self.assertEqual(
             0,
-            self.scrape_prometheus_var('dp_dot1x_failure', default=0))
-        self.assertEqual(
-            0,
-            self.scrape_prometheus_var('port_dot1x_failure', labels={'port': 1}, default=0))
+            self.scrape_prometheus_var('dp_dot1x_failure', any_labels=True, default=0))
         self.assertEqual(
             1,
-            self.scrape_prometheus_var('dp_dot1x_logoff', default=0))
+            self.scrape_prometheus_var('port_dot1x_success', any_labels=True, default=0))
         self.assertEqual(
-            1,
-            self.scrape_prometheus_var('port_dot1x_logoff', labels={'port': 1}, default=0))
+            0,
+            self.scrape_prometheus_var('port_dot1x_failure', any_labels=True, default=0))
         self.assertIn('Success', tcpdump_txt)
         self.assertIn('logoff', tcpdump_txt)
+        # TODO check prometheus dp/port_dot1x_logoff once logoff_handler implemented on chewie side.
 
     def wpa_supplicant_callback(self, and_logoff):
         wpa_ctrl_path = os.path.join(
@@ -314,100 +299,36 @@ def wpa_supplicant_callback(self, and_logoff):
                         break
                 time.sleep(1)
             self.assertEqual(eap_state, 'SUCCESS')
-            self.wait_until_matching_flow(
-                {'eth_src': self.eapol_host.MAC(), 'in_port': 1}, table_id=0)
-
             self.eapol_host.cmd('wpa_cli -p %s logoff' % wpa_ctrl_path)
 
-            for i in range(10):
-                if not self.matching_flow_present(
-                    {'eth_src': self.eapol_host.MAC(), 'in_port': 1}, table_id=0):
-                    break
-                time.sleep(1)
-            else:
-                self.fail('authentication flow was not removed.')
-
-    def wait_for_radius(self, radius_log_path, timeout=10):
-        for i in range(timeout):
-            if os.path.exists(radius_log_path):
-                break
-            time.sleep(1)
-        else:
-            self.fail('could not open radius log after %d seconds' % timeout)
-
-        with open(radius_log_path, 'r') as log:
-            while True:
-                line = log.readline()
-                if not line:
-                    time.sleep(1)
-                    continue
-                if line.strip() == 'Ready to process requests.':
-                    return
-
-    def start_freeradius(self):
-        with open('/etc/freeradius/users', 'w') as f:
-            f.write('user   Cleartext-Password := "microphone"')
-
-        with open('/etc/freeradius/clients.conf', 'w') as f:
-            f.write('''client localhost {
-    ipaddr = 127.0.0.1
-    secret = SECRET
-}''')
-
-        radius_log_path = '%s/radius.log' % self.tmpdir
-        shutil.copytree('/etc/freeradius/', '%s/freeradius' % self.tmpdir)
-        os.system('chmod o+rx %s' % self.root_tmpdir)
-        os.system('chown -R root:freerad %s/freeradius/*' % self.tmpdir)
-        os.system('chown root:freerad %s/freeradius' % self.tmpdir)
-
-        with open('%s/freeradius/radiusd.conf' % self.tmpdir, 'r+') as radiusd_file:
-            config = radiusd_file.read()
-            radiusd_file.seek(0)
-            radiusd_file.truncate()
-            new_config = config.replace('port = 0', 'port = %d' % self.radius_port, 2)
-            radiusd_file.write(new_config)
 
-        self.nfv_host.cmd('freeradius -sxx -l %s -d %s/freeradius &' % (radius_log_path, self.tmpdir))
-
-        self.freeradius_pid = self.nfv_host.lastPid
-        self.wait_for_radius(radius_log_path)
-        return radius_log_path
-
-
-class FaucetSingle8021XFailureTest(FaucetSingle8021XSuccessTest):
+class FaucetUntagged8021XFailureTest(FaucetUntagged8021XSuccessTest):
     """Failure due to incorrect identity/password"""
 
     wpasupplicant_conf = """
     ap_scan=0
     network={
         key_mgmt=IEEE8021X
         eap=MD5
-        identity="user"
+        identity="user@example.com"
         password="wrongpassword"
     }
     """
 
     def test_untagged(self):
         tcpdump_txt = self.try_8021x(and_logff=False)
         self.assertIn('Failure', tcpdump_txt)
+        faucet_log = self.env['faucet']['FAUCET_LOG']
+        with open(faucet_log, 'r') as log:
+            faucet_log_txt = log.read()
+        self.assertNotIn('Successful auth', faucet_log_txt)
         self.assertEqual(
             0,
-            self.scrape_prometheus_var('dp_dot1x_success', default=0))
+            self.scrape_prometheus_var('dp_dot1x_success', labels={'port': 1}, default=0))
         self.assertEqual(
             0,
             self.scrape_prometheus_var('port_dot1x_success', labels={'port': 1}, default=0))
-        self.assertEqual(
-            0,
-            self.scrape_prometheus_var('dp_dot1x_logoff', default=0))
-        self.assertEqual(
-            0,
-            self.scrape_prometheus_var('port_dot1x_logoff', labels={'port': 1}, default=0))
-        self.assertEqual(
-            1,
-            self.scrape_prometheus_var('dp_dot1x_failure', default=0))
-        self.assertEqual(
-            1,
-            self.scrape_prometheus_var('port_dot1x_failure', labels={'port': 1}, default=0))
+        # TODO add prometheus dp/port_dot1x_failure check once failure handler is implemented on chewie side.
 
 
 class FaucetUntaggedRandomVidTest(FaucetUntaggedTest):