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from filecmp import cmp
from getpass import getuser
from pathlib import Path
from shutil import copyfile, copytree, rmtree
from socket import socket, AF_UNIX, SOCK_STREAM
from subprocess import Popen, run
from time import sleep
import threading
import unittest
(TRUE, FALSE, BLACK, GREY, WHITE, UNSEEN) = (
b"true", b"false", b"black", b"grey", b"white", b"unseen")
localconfig = "tmp1/config"
setuphelper = "program/greylistd-setup-exim4"
add_split_data = [setuphelper, "add", "-no-reload",
"tmp/40_exim4-config_check_data", "acl_check_data"]
del_split_data = [setuphelper, "remove", "-no-reload",
"tmp/40_exim4-config_check_data", "acl_check_data"]
add_split_rcpt = [setuphelper, "add", "-no-reload",
"tmp/30_exim4-config_check_rcpt", "acl_check_rcpt"]
del_split_rcpt = [setuphelper, "remove", "-no-reload",
"tmp/30_exim4-config_check_rcpt", "acl_check_rcpt"]
add_combined_data = [setuphelper, "add", "-no-reload",
"tmp/exim4.conf.template", "acl_check_data"]
del_combined_data = [setuphelper, "remove", "-no-reload",
"tmp/exim4.conf.template", "acl_check_data"]
add_combined_rcpt = [setuphelper, "add", "-no-reload",
"tmp/exim4.conf.template", "acl_check_rcpt"]
del_combined_rcpt = [setuphelper, "remove", "-no-reload",
"tmp/exim4.conf.template", "acl_check_rcpt"]
greylistcmd = b" --grey 192.0.2.42 send@example.com recv@example.com"
class test_setup_exim4(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Copy test data
rmtree("tmp", ignore_errors=True)
copytree("tests/data", "tmp")
def test_data_single(self):
result = run(add_split_data)
self.assertEqual(result.returncode, 0,
"Fail to add data ACLs to split configuration file.")
self.assertTrue(cmp("tmp/40_exim4-config_check_data",
"tests/data/40_exim4-config_check_data_patched",
shallow=False))
result = run(del_split_data)
self.assertEqual(result.returncode, 0,
"Fail to del data ACLs from split configuration file.")
self.assertTrue(cmp("tmp/40_exim4-config_check_data",
"tests/data/40_exim4-config_check_data",
shallow=False))
def test_rcpt_single(self):
result = run(add_split_rcpt)
self.assertEqual(result.returncode, 0,
"Fail to add data ACLs to split configuration file.")
self.assertTrue(cmp("tmp/30_exim4-config_check_rcpt",
"tests/data/30_exim4-config_check_rcpt_patched",
shallow=False))
result = run(del_split_rcpt)
self.assertEqual(result.returncode, 0,
"Fail to del data ACLs from split configuration file.")
self.assertTrue(cmp("tmp/30_exim4-config_check_rcpt",
"tests/data/30_exim4-config_check_rcpt",
shallow=False))
def test_combined(self):
result = run(add_combined_data)
self.assertEqual(result.returncode, 0,
"Fail to add data ACLs to combined configuration file.")
result = run(add_combined_rcpt)
self.assertEqual(result.returncode, 0,
"Fail to add data ACLs to combined configuration file.")
self.assertTrue(cmp("tmp/exim4.conf.template",
"tests/data/exim4.conf.template_patched",
shallow=False))
result = run(del_combined_data)
self.assertEqual(result.returncode, 0,
"Fail to del data ACLs from combined configuration file.")
result = run(del_combined_rcpt)
self.assertEqual(result.returncode, 0,
"Fail to del data ACLs from combined configuration file.")
self.assertTrue(cmp("tmp/exim4.conf.template",
"tests/data/exim4.conf.template",
shallow=False))
def get_value(localconfig, section, key):
with open(localconfig) as fp:
for line in fp:
line = line.strip()
if line.startswith("#"):
continue
if (line[0:1] == '[') and (']' in line):
_section = line[1:line.find(']')].strip().lower()
continue
if ('=' in line):
_key, _data = [s.strip() for s in line.split('=', 1)]
if (section == _section) and (_key == key):
return _data
return None
pid = None
class test_basic_checks(unittest.TestCase):
daemon = None
sock = None
def greylistd():
global pid
pid = Popen(["program/greylistd", localconfig])
@classmethod
def setUpClass(cls):
rmtree("tmp1", ignore_errors=True)
Path("tmp1").mkdir(parents=True, exist_ok=True)
copyfile("tests/config", "tmp1/config")
with open("tmp1/config", "a") as fp:
fp.write("owner = %s" % getuser())
# start the engines
cls.daemon = threading.Thread(target=cls.greylistd,
name="greylistd",
daemon=True)
cls.daemon.start()
cls.sockname = get_value(localconfig, "socket", "path")
sleep(5)
@classmethod
def tearDownClass(cls):
global pid
pid.terminate()
pid.kill()
def tearDown(self):
self.sock.close()
def setUp(self):
self.sock = socket(AF_UNIX, SOCK_STREAM)
self.sock.connect(self.sockname)
def test_first(self):
self.sock.send(greylistcmd)
status = self.sock.recv(1024)
self.assertEqual(status, TRUE, msg="First check.")
def test_too_fast(self):
self.sock.send(greylistcmd)
status = self.sock.recv(1024)
self.assertEqual(status, TRUE, msg="Retry too fast.")
def test_white(self):
sleep(45)
self.sock.send(greylistcmd)
status = self.sock.recv(1024)
self.assertEqual(status, FALSE, msg="Auto whitelist.")
if __name__ == '__main__':
unittest.main()
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