1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
#!/usr/bin/env python3
import unittest
from framework import VppTestCase, VppTestRunner
from util import ppp
from scapy.packet import Raw
from scapy.layers.inet import IP, UDP
from syslog_rfc5424_parser import SyslogMessage, ParseError
from syslog_rfc5424_parser.constants import SyslogFacility, SyslogSeverity
from vpp_papi import VppEnum
class TestSyslog(VppTestCase):
""" Syslog Protocol Test Cases """
@property
def SYSLOG_SEVERITY(self):
return VppEnum.vl_api_syslog_severity_t
@classmethod
def setUpClass(cls):
super(TestSyslog, cls).setUpClass()
try:
cls.pg0, = cls.create_pg_interfaces(range(1))
cls.pg0.admin_up()
cls.pg0.config_ip4()
cls.pg0.resolve_arp()
except Exception:
super(TestSyslog, cls).tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestSyslog, cls).tearDownClass()
def syslog_generate(self, facility, severity, appname, msgid, sd=None,
msg=None):
"""
Generate syslog message
:param facility: facility value
:param severity: severity level
:param appname: application name that originate message
:param msgid: message identifier
:param sd: structured data (optional)
:param msg: free-form message (optional)
"""
facility_str = ['kernel', 'user-level', 'mail-system',
'system-daemons', 'security-authorization', 'syslogd',
'line-printer', 'network-news', 'uucp', 'clock-daemon',
'', 'ftp-daemon', 'ntp-subsystem', 'log-audit',
'log-alert', '', 'local0', 'local1', 'local2',
'local3', 'local4', 'local5', 'local6', 'local7']
severity_str = ['emergency', 'alert', 'critical', 'error', 'warning',
'notice', 'informational', 'debug']
cli_str = "test syslog %s %s %s %s" % (facility_str[facility],
severity_str[severity],
appname,
msgid)
if sd is not None:
for sd_id, sd_params in sd.items():
cli_str += " sd-id %s" % (sd_id)
for name, value in sd_params.items():
cli_str += " sd-param %s %s" % (name, value)
if msg is not None:
cli_str += " %s" % (msg)
self.vapi.cli(cli_str)
def syslog_verify(self, data, facility, severity, appname, msgid, sd=None,
msg=None):
"""
Verify syslog message
:param data: syslog message
:param facility: facility value
:param severity: severity level
:param appname: application name that originate message
:param msgid: message identifier
:param sd: structured data (optional)
:param msg: free-form message (optional)
"""
message = data.decode('utf-8')
if sd is None:
sd = {}
try:
message = SyslogMessage.parse(message)
except ParseError as e:
self.logger.error(e)
raise
else:
self.assertEqual(message.facility, facility)
self.assertEqual(message.severity, severity)
self.assertEqual(message.appname, appname)
self.assertEqual(message.msgid, msgid)
self.assertEqual(message.msg, msg)
self.assertEqual(message.sd, sd)
self.assertEqual(message.version, 1)
self.assertEqual(message.hostname, self.pg0.local_ip4)
def test_syslog(self):
""" Syslog Protocol test """
self.vapi.syslog_set_sender(src_address=self.pg0.local_ip4n,
collector_address=self.pg0.remote_ip4n)
config = self.vapi.syslog_get_sender()
self.assertEqual(str(config.collector_address),
self.pg0.remote_ip4)
self.assertEqual(config.collector_port, 514)
self.assertEqual(str(config.src_address), self.pg0.local_ip4)
self.assertEqual(config.vrf_id, 0)
self.assertEqual(config.max_msg_size, 480)
appname = 'test'
msgid = 'testMsg'
msg = 'this is message'
sd1 = {'exampleSDID@32473': {'iut': '3',
'eventSource': 'App',
'eventID': '1011'}}
sd2 = {'exampleSDID@32473': {'iut': '3',
'eventSource': 'App',
'eventID': '1011'},
'examplePriority@32473': {'class': 'high'}}
self.pg_enable_capture(self.pg_interfaces)
self.syslog_generate(SyslogFacility.local7,
SyslogSeverity.info,
appname,
msgid,
None,
msg)
capture = self.pg0.get_capture(1)
try:
self.assertEqual(capture[0][IP].src, self.pg0.local_ip4)
self.assertEqual(capture[0][IP].dst, self.pg0.remote_ip4)
self.assertEqual(capture[0][UDP].dport, 514)
self.assert_packet_checksums_valid(capture[0], False)
except:
self.logger.error(ppp("invalid packet:", capture[0]))
raise
self.syslog_verify(capture[0][Raw].load,
SyslogFacility.local7,
SyslogSeverity.info,
appname,
msgid,
None,
msg)
self.pg_enable_capture(self.pg_interfaces)
self.vapi.syslog_set_filter(
self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_WARN)
filter = self.vapi.syslog_get_filter()
self.assertEqual(filter.severity,
self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_WARN)
self.syslog_generate(SyslogFacility.local7,
SyslogSeverity.info,
appname,
msgid,
None,
msg)
self.pg0.assert_nothing_captured()
self.pg_enable_capture(self.pg_interfaces)
self.syslog_generate(SyslogFacility.local6,
SyslogSeverity.warning,
appname,
msgid,
sd1,
msg)
capture = self.pg0.get_capture(1)
self.syslog_verify(capture[0][Raw].load,
SyslogFacility.local6,
SyslogSeverity.warning,
appname,
msgid,
sd1,
msg)
self.vapi.syslog_set_sender(self.pg0.local_ip4n,
self.pg0.remote_ip4n,
collector_port=12345)
config = self.vapi.syslog_get_sender()
self.assertEqual(config.collector_port, 12345)
self.pg_enable_capture(self.pg_interfaces)
self.syslog_generate(SyslogFacility.local5,
SyslogSeverity.err,
appname,
msgid,
sd2,
None)
capture = self.pg0.get_capture(1)
try:
self.assertEqual(capture[0][UDP].dport, 12345)
except:
self.logger.error(ppp("invalid packet:", capture[0]))
raise
self.syslog_verify(capture[0][Raw].load,
SyslogFacility.local5,
SyslogSeverity.err,
appname,
msgid,
sd2,
None)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
|
