mirror of
https://github.com/samba-team/samba.git
synced 2025-10-30 08:23:49 +03:00
2381b4ff67
Tests to confirm the standard process model honours the smbd.conf variable "max smbd processes", when forking a new process on accept. Signed-off-by: Gary Lockyer <gary@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
79 lines
3.0 KiB
Python
79 lines
3.0 KiB
Python
# Tests for limiting processes forked on accept by the standard process model
|
|
#
|
|
# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2018
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
from __future__ import print_function
|
|
"""Tests limits on processes forked by fork on accept in the standard process
|
|
model.
|
|
NOTE: This test runs in an environment with an artificially low setting for
|
|
smbd max processes
|
|
"""
|
|
|
|
|
|
import os
|
|
from samba.tests import TestCase
|
|
from samba.samdb import SamDB
|
|
from ldb import LdbError, ERR_OPERATIONS_ERROR
|
|
|
|
|
|
class StandardModelProcessLimitTests(TestCase):
|
|
|
|
def setUp(self):
|
|
super(StandardModelProcessLimitTests, self).setUp()
|
|
|
|
def tearDown(self):
|
|
super(StandardModelProcessLimitTests, self).tearDown()
|
|
|
|
def simple_bind(self):
|
|
creds = self.insta_creds(template=self.get_credentials())
|
|
creds.set_bind_dn("%s\\%s" % (creds.get_domain(),
|
|
creds.get_username()))
|
|
|
|
return SamDB(url="ldaps://%s" % os.environ["SERVER"],
|
|
lp=self.get_loadparm(),
|
|
credentials=creds)
|
|
|
|
def test_process_limits(self):
|
|
creds = self.insta_creds(template=self.get_credentials())
|
|
creds.set_bind_dn("%s\\%s" % (creds.get_domain(),
|
|
creds.get_username()))
|
|
|
|
connections = []
|
|
try:
|
|
# Open a series of LDAP connections, the maximum number of
|
|
# active connections should be 20, so the 21st should fail.
|
|
# But as it is possible that there may be other processes holding
|
|
# connections, need to allow for earlier connection failures.
|
|
for _ in range(21):
|
|
connections.append(self.simple_bind())
|
|
self.fail(
|
|
"Processes not limited, able to make more than 20 connections")
|
|
except LdbError as e:
|
|
(errno, estr) = e.args
|
|
if errno != ERR_OPERATIONS_ERROR:
|
|
raise
|
|
if not (estr.endswith("NT_STATUS_CONNECTION_DISCONNECTED") or
|
|
estr.endswith("NT_STATUS_CONNECTION_RESET")):
|
|
raise
|
|
pass
|
|
#
|
|
# Clean up the connections we've just opened, by deleting the
|
|
# connection in python. This should invoke the talloc destructor to
|
|
# release any resources and close the actual connection to the server.
|
|
for c in connections:
|
|
del c
|