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samba-mirror/source4/dsdb/tests/python/vlv.py
Douglas Bagnall 23765e54e0 vlv tests: remove uninteresting debug message
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-08-19 13:31:27 +02:00

1085 lines
45 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Originally based on ./sam.py
import optparse
import sys
import os
import base64
import random
import re
sys.path.insert(0, "bin/python")
import samba
from samba.tests.subunitrun import SubunitOptions, TestProgram
import samba.getopt as options
from samba.auth import system_session
import ldb
from samba.samdb import SamDB
import time
parser = optparse.OptionParser("vlv.py [options] <host>")
sambaopts = options.SambaOptions(parser)
parser.add_option_group(sambaopts)
parser.add_option_group(options.VersionOptions(parser))
# use command line creds if available
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
subunitopts = SubunitOptions(parser)
parser.add_option_group(subunitopts)
parser.add_option('--elements', type='int', default=20,
help="use this many elements in the tests")
parser.add_option('--delete-in-setup', action='store_true',
help="cleanup in next setup rather than teardown")
parser.add_option('--skip-attr-regex',
help="ignore attributes matching this regex")
opts, args = parser.parse_args()
if len(args) < 1:
parser.print_usage()
sys.exit(1)
host = args[0]
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
N_ELEMENTS = opts.elements
class VlvTestException(Exception):
pass
def encode_vlv_control(critical=1,
before=0, after=0,
offset=None,
gte=None,
n=0, cookie=None):
s = "vlv:%d:%d:%d:" % (critical, before, after)
if offset is not None:
m = "%d:%d" % (offset, n)
elif ':' in gte or '\x00' in gte:
gte = base64.b64encode(gte)
m = "base64>=%s" % gte
else:
m = ">=%s" % gte
if cookie is None:
return s + m
return s + m + ':' + cookie
def get_cookie(controls, expected_n=None):
"""Get the cookie, STILL base64 encoded, or raise ValueError."""
for c in list(controls):
cstr = str(c)
if cstr.startswith('vlv_resp'):
head, n, _, cookie = cstr.rsplit(':', 3)
if expected_n is not None and int(n) != expected_n:
raise ValueError("Expected %s items, server said %s" %
(expected_n, n))
return cookie
raise ValueError("there is no VLV response")
class VLVTests(samba.tests.TestCase):
def create_user(self, i, n, prefix='vlvtest', suffix='', attrs=None):
name = "%s%d%s" % (prefix, i, suffix)
user = {
'cn': name,
"objectclass": "user",
'givenName': "abcdefghijklmnopqrstuvwxyz"[i % 26],
"roomNumber": "%sbc" % (n - i),
"carLicense": "后来经",
"employeeNumber": "%s%sx" % (abs(i * (99 - i)), '\n' * (i & 255)),
"accountExpires": "%s" % (10 ** 9 + 1000000 * i),
"msTSExpireDate4": "19%02d0101010000.0Z" % (i % 100),
"flags": str(i * (n - i)),
"serialNumber": "abc %s%s%s" % ('AaBb |-/'[i & 7],
' 3z}'[i & 3],
'"@'[i & 1],),
}
# _user_broken_attrs tests are broken due to problems outside
# of VLV.
_user_broken_attrs = {
# Sort doesn't look past a NUL byte.
"photo": "\x00%d" % (n - i),
"audio": "%sn octet string %s%s ♫♬\x00lalala" % ('Aa'[i & 1],
chr(i & 255), i),
"displayNamePrintable": "%d\x00%c" % (i, i & 255),
"adminDisplayName": "%d\x00b" % (n-i),
"title": "%d%sb" % (n - i, '\x00' * i),
"comment": "Favourite colour is %d" % (n % (i + 1)),
# Names that vary only in case. Windows returns
# equivalent addresses in the order they were put
# in ('a st', 'A st',...).
"street": "%s st" % (chr(65 | (i & 14) | ((i & 1) * 32))),
}
if attrs is not None:
user.update(attrs)
user['dn'] = "cn=%s,%s" % (user['cn'], self.ou)
if opts.skip_attr_regex:
match = re.compile(opts.skip_attr_regex).search
for k in user.keys():
if match(k):
del user[k]
self.users.append(user)
self.ldb.add(user)
return user
def setUp(self):
super(VLVTests, self).setUp()
self.ldb = SamDB(host, credentials=creds,
session_info=system_session(lp), lp=lp)
self.base_dn = self.ldb.domain_dn()
self.ou = "ou=vlv,%s" % self.base_dn
if opts.delete_in_setup:
try:
self.ldb.delete(self.ou, ['tree_delete:1'])
except ldb.LdbError, e:
print "tried deleting %s, got error %s" % (self.ou, e)
self.ldb.add({
"dn": self.ou,
"objectclass": "organizationalUnit"})
self.users = []
for i in range(N_ELEMENTS):
self.create_user(i, N_ELEMENTS)
attrs = self.users[0].keys()
self.binary_sorted_keys = ['audio',
'photo',
"msTSExpireDate4",
'serialNumber',
"displayNamePrintable"]
self.numeric_sorted_keys = ['flags',
'accountExpires']
self.timestamp_keys = ['msTSExpireDate4']
self.int64_keys = set(['accountExpires'])
self.locale_sorted_keys = [x for x in attrs if
x not in (self.binary_sorted_keys +
self.numeric_sorted_keys)]
# don't try spaces, etc in cn
self.delicate_keys = ['cn']
def tearDown(self):
super(VLVTests, self).tearDown()
if not opts.delete_in_setup:
self.ldb.delete(self.ou, ['tree_delete:1'])
def get_full_list(self, attr, include_cn=False):
"""Fetch the whole list sorted on the attribute, using the VLV.
This way you get a VLV cookie."""
n_users = len(self.users)
sort_control = "server_sort:1:0:%s" % attr
half_n = n_users // 2
vlv_search = "vlv:1:%d:%d:%d:0" % (half_n, half_n, half_n + 1)
attrs = [attr]
if include_cn:
attrs.append('cn')
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=attrs,
controls=[sort_control,
vlv_search])
if include_cn:
full_results = [(x[attr][0], x['cn'][0]) for x in res]
else:
full_results = [x[attr][0].lower() for x in res]
controls = res.controls
return full_results, controls, sort_control
def get_expected_order(self, attr, expression=None):
"""Fetch the whole list sorted on the attribute, using sort only."""
sort_control = "server_sort:1:0:%s" % attr
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
expression=expression,
attrs=[attr],
controls=[sort_control])
results = [x[attr][0] for x in res]
return results
def delete_user(self, user):
self.ldb.delete(user['dn'])
del self.users[self.users.index(user)]
def get_gte_tests_and_order(self, attr, expression=None):
expected_order = self.get_expected_order(attr, expression=expression)
gte_users = []
if attr in self.delicate_keys:
gte_keys = [
'3',
'abc',
'¹',
'ŋđ¼³ŧ“«đð',
'桑巴',
]
elif attr in self.timestamp_keys:
gte_keys = [
'18560101010000.0Z',
'19140103010000.0Z',
'19560101010010.0Z',
'19700101000000.0Z',
'19991231211234.3Z',
'20061111211234.0Z',
'20390901041234.0Z',
'25560101010000.0Z',
]
elif attr not in self.numeric_sorted_keys:
gte_keys = [
'3',
'abc',
' ',
'!@#!@#!',
'kōkako',
'¹',
'ŋđ¼³ŧ“«đð',
'\n\t\t',
'桑巴',
'zzzz',
]
if expected_order:
gte_keys.append(expected_order[len(expected_order) // 2] + ' tail')
else:
# "numeric" means positive integers
# doesn't work with -1, 3.14, ' 3', '9' * 20
gte_keys = ['3',
'1' * 10,
'1',
'9' * 7,
'0']
if attr in self.int64_keys:
gte_keys += ['3' * 12, '71' * 8]
for i, x in enumerate(gte_keys):
user = self.create_user(i, N_ELEMENTS,
prefix='gte',
attrs={attr: x})
gte_users.append(user)
gte_order = self.get_expected_order(attr)
for user in gte_users:
self.delete_user(user)
# for sanity's sake
expected_order_2 = self.get_expected_order(attr, expression=expression)
self.assertEqual(expected_order, expected_order_2)
# Map gte tests to indexes in expected order. This will break
# if gte_order and expected_order are differently ordered (as
# it should).
gte_map = {}
# index to the first one with each value
index_map = {}
for i, k in enumerate(expected_order):
if k not in index_map:
index_map[k] = i
keys = []
for k in gte_order:
if k in index_map:
i = index_map[k]
gte_map[k] = i
for k in keys:
gte_map[k] = i
keys = []
else:
keys.append(k)
for k in keys:
gte_map[k] = len(expected_order)
if False:
print "gte_map:"
for k in gte_order:
print " %10s => %10s" % (k, gte_map[k])
return gte_order, expected_order, gte_map
def assertCorrectResults(self, results, expected_order,
offset, before, after):
"""A helper to calculate offsets correctly and say as much as possible
when something goes wrong."""
start = max(offset - before - 1, 0)
end = offset + after
expected_results = expected_order[start: end]
# if it is a tuple with the cn, drop the cn
if expected_results and isinstance(expected_results[0], tuple):
expected_results = [x[0] for x in expected_results]
if expected_results == results:
return
if expected_order is not None:
print "expected order: %s" % expected_order[:20]
if len(expected_order) > 20:
print "... and %d more not shown" % (len(expected_order) - 20)
print "offset %d before %d after %d" % (offset, before, after)
print "start %d end %d" % (start, end)
print "expected: %s" % expected_results
print "got : %s" % results
self.assertEquals(expected_results, results)
def test_server_vlv_with_cookie(self):
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
for attr in attrs:
expected_order = self.get_expected_order(attr)
sort_control = "server_sort:1:0:%s" % attr
res = None
n = len(self.users)
for before in [10, 0, 3, 1, 4, 5, 2]:
for after in [0, 3, 1, 4, 5, 2, 7]:
for offset in range(max(1, before - 2),
min(n - after + 2, n)):
if res is None:
vlv_search = "vlv:1:%d:%d:%d:0" % (before, after,
offset)
else:
cookie = get_cookie(res.controls, n)
vlv_search = ("vlv:1:%d:%d:%d:%s:%s" %
(before, after, offset, n,
cookie))
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def run_index_tests_with_expressions(self, expressions):
# Here we don't test every before/after combination.
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
for attr in attrs:
for expression in expressions:
expected_order = self.get_expected_order(attr, expression)
sort_control = "server_sort:1:0:%s" % attr
res = None
n = len(expected_order)
for before in range(0, 11):
after = before
for offset in range(max(1, before - 2),
min(n - after + 2, n)):
if res is None:
vlv_search = "vlv:1:%d:%d:%d:0" % (before, after,
offset)
else:
cookie = get_cookie(res.controls)
vlv_search = ("vlv:1:%d:%d:%d:%s:%s" %
(before, after, offset, n,
cookie))
res = self.ldb.search(self.ou,
expression=expression,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def test_server_vlv_with_expression(self):
"""What happens when we run the VLV with an expression?"""
expressions = ["(objectClass=*)",
"(cn=%s)" % self.users[-1]['cn'],
"(roomNumber=%s)" % self.users[0]['roomNumber'],
]
self.run_index_tests_with_expressions(expressions)
def test_server_vlv_with_failing_expression(self):
"""What happens when we run the VLV on an expression that matches
nothing?"""
expressions = ["(samaccountname=testferf)",
"(cn=hefalump)",
]
self.run_index_tests_with_expressions(expressions)
def run_gte_tests_with_expressions(self, expressions):
# Here we don't test every before/after combination.
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
for expression in expressions:
for attr in attrs:
gte_order, expected_order, gte_map = \
self.get_gte_tests_and_order(attr, expression)
# In case there is some order dependency, disorder tests
gte_tests = gte_order[:]
random.seed(2)
random.shuffle(gte_tests)
res = None
sort_control = "server_sort:1:0:%s" % attr
expected_order = self.get_expected_order(attr, expression)
sort_control = "server_sort:1:0:%s" % attr
res = None
for before in range(0, 11):
after = before
for gte in gte_tests:
if res is not None:
cookie = get_cookie(res.controls)
else:
cookie = None
vlv_search = encode_vlv_control(before=before,
after=after,
gte=gte,
cookie=cookie)
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
expression=expression,
attrs=[attr],
controls=[sort_control,
vlv_search])
results = [x[attr][0] for x in res]
offset = gte_map.get(gte, len(expected_order))
# here offset is 0-based
start = max(offset - before, 0)
end = offset + 1 + after
expected_results = expected_order[start: end]
self.assertEquals(expected_results, results)
def test_vlv_gte_with_expression(self):
"""What happens when we run the VLV with an expression?"""
expressions = ["(objectClass=*)",
"(cn=%s)" % self.users[-1]['cn'],
"(roomNumber=%s)" % self.users[0]['roomNumber'],
]
self.run_gte_tests_with_expressions(expressions)
def test_vlv_gte_with_failing_expression(self):
"""What happens when we run the VLV on an expression that matches
nothing?"""
expressions = ["(samaccountname=testferf)",
"(cn=hefalump)",
]
self.run_gte_tests_with_expressions(expressions)
def test_server_vlv_with_cookie_while_adding_and_deleting(self):
"""What happens if we add or remove items in the middle of the VLV?
Nothing. The search and the sort is not repeated, and we only
deal with the objects originally found.
"""
attrs = ['cn'] + [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
user_number = 0
iteration = 0
for attr in attrs:
full_results, controls, sort_control = \
self.get_full_list(attr, True)
original_n = len(self.users)
expected_order = full_results
random.seed(1)
for before in range(0, 3) + [6, 11, 19]:
for after in range(0, 3) + [6, 11, 19]:
start = max(before - 1, 1)
end = max(start + 4, original_n - after + 2)
for offset in range(start, end):
#if iteration > 2076:
# return
cookie = get_cookie(controls, original_n)
vlv_search = encode_vlv_control(before=before,
after=after,
offset=offset,
n=original_n,
cookie=cookie)
iteration += 1
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
controls = res.controls
results = [x[attr][0] for x in res]
real_offset = max(1, min(offset, len(expected_order)))
expected_results = []
skipped = 0
begin_offset = max(real_offset - before - 1, 0)
real_before = min(before, real_offset - 1)
real_after = min(after,
len(expected_order) - real_offset)
for x in expected_order[begin_offset:]:
if x is not None:
expected_results.append(x[0])
if (len(expected_results) ==
real_before + real_after + 1):
break
else:
skipped += 1
if expected_results != results:
print ("attr %s before %d after %d offset %d" %
(attr, before, after, offset))
self.assertEquals(expected_results, results)
n = len(self.users)
if random.random() < 0.1 + (n < 5) * 0.05:
if n == 0:
i = 0
else:
i = random.randrange(n)
user = self.create_user(i, n, suffix='-%s' %
user_number)
user_number += 1
if random.random() < 0.1 + (n > 50) * 0.02 and n:
index = random.randrange(n)
user = self.users.pop(index)
self.ldb.delete(user['dn'])
replaced = (user[attr], user['cn'])
if replaced in expected_order:
i = expected_order.index(replaced)
expected_order[i] = None
def test_server_vlv_with_cookie_while_changing(self):
"""What happens if we modify items in the middle of the VLV?
The expected behaviour (as found on Windows) is the sort is
not repeated, but the changes in attributes are reflected.
"""
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass', 'cn')]
for attr in attrs:
n_users = len(self.users)
expected_order = [x.upper() for x in self.get_expected_order(attr)]
sort_control = "server_sort:1:0:%s" % attr
res = None
i = 0
# First we'll fetch the whole list so we know the original
# sort order. This is necessary because we don't know how
# the server will order equivalent items. We are using the
# dn as a key.
half_n = n_users // 2
vlv_search = "vlv:1:%d:%d:%d:0" % (half_n, half_n, half_n + 1)
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=['dn', attr],
controls=[sort_control, vlv_search])
results = [x[attr][0].upper() for x in res]
#self.assertEquals(expected_order, results)
dn_order = [str(x['dn']) for x in res]
values = results[:]
for before in range(0, 3):
for after in range(0, 3):
for offset in range(1 + before, n_users - after):
cookie = get_cookie(res.controls, len(self.users))
vlv_search = ("vlv:1:%d:%d:%d:%s:%s" %
(before, after, offset, len(self.users),
cookie))
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=['dn', attr],
controls=[sort_control,
vlv_search])
dn_results = [str(x['dn']) for x in res]
dn_expected = dn_order[offset - before - 1:
offset + after]
self.assertEquals(dn_expected, dn_results)
results = [x[attr][0].upper() for x in res]
self.assertCorrectResults(results, values,
offset, before, after)
i += 1
if i % 3 == 2:
if (attr in self.locale_sorted_keys or
attr in self.binary_sorted_keys):
i1 = i % n_users
i2 = (i ^ 255) % n_users
dn1 = dn_order[i1]
dn2 = dn_order[i2]
v2 = values[i2]
if v2 in self.locale_sorted_keys:
v2 += '-%d' % i
cn1 = dn1.split(',', 1)[0][3:]
cn2 = dn2.split(',', 1)[0][3:]
values[i1] = v2
m = ldb.Message()
m.dn = ldb.Dn(self.ldb, dn1)
m[attr] = ldb.MessageElement(v2,
ldb.FLAG_MOD_REPLACE,
attr)
self.ldb.modify(m)
def test_server_vlv_fractions_with_cookie(self):
"""What happens when the count is set to an arbitrary number?
In that case the offset and the count form a fraction, and the
VLV should be centred at a point offset/count of the way
through. For example, if offset is 3 and count is 6, the VLV
should be looking around halfway. The actual algorithm is a
bit fiddlier than that, because of the one-basedness of VLV.
"""
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
n_users = len(self.users)
random.seed(4)
for attr in attrs:
full_results, controls, sort_control = self.get_full_list(attr)
self.assertEqual(len(full_results), n_users)
for before in range(0, 2):
for after in range(0, 2):
for denominator in range(1, 20):
for offset in range(1, denominator + 3):
cookie = get_cookie(controls, len(self.users))
vlv_search = ("vlv:1:%d:%d:%d:%s:%s" %
(before, after, offset,
denominator,
cookie))
try:
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
except ldb.LdbError, e:
if offset != 0:
raise
print ("offset %d denominator %d raised error "
"expected error %s\n"
"(offset zero is illegal unless "
"content count is zero)" %
(offset, denominator, e))
continue
results = [x[attr][0].lower() for x in res]
if denominator == 0:
denominator = n_users
if offset == 0:
offset = denominator
elif denominator == 1:
# the offset can only be 1, but the 1/1 case
# means something special
if offset == 1:
real_offset = n_users
else:
real_offset = 1
else:
if offset > denominator:
offset = denominator
real_offset = (1 +
int(round((n_users - 1) *
(offset - 1) /
(denominator - 1.0)))
)
self.assertCorrectResults(results, full_results,
real_offset, before,
after)
controls = res.controls
if False:
for c in list(controls):
cstr = str(c)
if cstr.startswith('vlv_resp'):
bits = cstr.rsplit(':')
print ("the answer is %s; we said %d" %
(bits[2], real_offset))
break
def test_server_vlv_no_cookie(self):
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
for attr in attrs:
expected_order = self.get_expected_order(attr)
sort_control = "server_sort:1:0:%s" % attr
for before in range(0, 5):
for after in range(0, 7):
for offset in range(1 + before, len(self.users) - after):
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:1:%d:%d:%d:0" %
(before, after,
offset)])
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def get_expected_order_showing_deleted(self, attr,
expression="(|(cn=vlvtest*)(cn=vlv-deleted*))",
base=None,
scope=ldb.SCOPE_SUBTREE
):
"""Fetch the whole list sorted on the attribute, using sort only,
searching in the entire tree, not just our OU. This is the
way to find deleted objects.
"""
if base is None:
base = self.base_dn
sort_control = "server_sort:1:0:%s" % attr
controls = [sort_control, "show_deleted:1"]
res = self.ldb.search(base,
scope=scope,
expression=expression,
attrs=[attr],
controls=controls)
results = [x[attr][0] for x in res]
return results
def add_deleted_users(self, n):
deleted_users = [self.create_user(i, n, prefix='vlv-deleted')
for i in range(n)]
for user in deleted_users:
self.delete_user(user)
def test_server_vlv_no_cookie_show_deleted(self):
"""What do we see with the show_deleted control?"""
attrs = ['objectGUID',
'cn',
'sAMAccountName',
'objectSid',
'name',
'whenChanged',
'usnChanged'
]
# add some deleted users first, just in case there are none
self.add_deleted_users(6)
random.seed(22)
expression = "(|(cn=vlvtest*)(cn=vlv-deleted*))"
for attr in attrs:
show_deleted_control = "show_deleted:1"
expected_order = self.get_expected_order_showing_deleted(attr,
expression)
n = len(expected_order)
sort_control = "server_sort:1:0:%s" % attr
for before in [3, 1, 0]:
for after in [0, 2]:
# don't test every position, because there could be hundreds.
# jump back and forth instead
for i in range(20):
offset = random.randrange(max(1, before - 2),
min(n - after + 2, n))
res = self.ldb.search(self.base_dn,
expression=expression,
scope=ldb.SCOPE_SUBTREE,
attrs=[attr],
controls=[sort_control,
show_deleted_control,
"vlv:1:%d:%d:%d:0" %
(before, after,
offset)
]
)
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def test_server_vlv_no_cookie_show_deleted_only(self):
"""What do we see with the show_deleted control when we're not looking
at any non-deleted things"""
attrs = ['objectGUID',
'cn',
'sAMAccountName',
'objectSid',
'whenChanged',
]
# add some deleted users first, just in case there are none
self.add_deleted_users(4)
base = 'CN=Deleted Objects,%s' % self.base_dn
expression = "(cn=vlv-deleted*)"
for attr in attrs:
show_deleted_control = "show_deleted:1"
expected_order = self.get_expected_order_showing_deleted(attr,
expression=expression,
base=base,
scope=ldb.SCOPE_ONELEVEL)
print ("searching for attr %s amongst %d deleted objects" %
(attr, len(expected_order)))
sort_control = "server_sort:1:0:%s" % attr
step = max(len(expected_order) // 10, 1)
for before in [3, 0]:
for after in [0, 2]:
for offset in range(1 + before,
len(expected_order) - after,
step):
res = self.ldb.search(base,
expression=expression,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
show_deleted_control,
"vlv:1:%d:%d:%d:0" %
(before, after,
offset)])
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def test_server_vlv_with_cookie_show_deleted(self):
"""What do we see with the show_deleted control?"""
attrs = ['objectGUID',
'cn',
'sAMAccountName',
'objectSid',
'name',
'whenChanged',
'usnChanged'
]
self.add_deleted_users(6)
random.seed(23)
for attr in attrs:
expected_order = self.get_expected_order(attr)
sort_control = "server_sort:1:0:%s" % attr
res = None
show_deleted_control = "show_deleted:1"
expected_order = self.get_expected_order_showing_deleted(attr)
n = len(expected_order)
expression = "(|(cn=vlvtest*)(cn=vlv-deleted*))"
for before in [3, 2, 1, 0]:
after = before
for i in range(20):
offset = random.randrange(max(1, before - 2),
min(n - after + 2, n))
if res is None:
vlv_search = "vlv:1:%d:%d:%d:0" % (before, after,
offset)
else:
cookie = get_cookie(res.controls, n)
vlv_search = ("vlv:1:%d:%d:%d:%s:%s" %
(before, after, offset, n,
cookie))
res = self.ldb.search(self.base_dn,
expression=expression,
scope=ldb.SCOPE_SUBTREE,
attrs=[attr],
controls=[sort_control,
vlv_search,
show_deleted_control])
results = [x[attr][0] for x in res]
self.assertCorrectResults(results, expected_order,
offset, before, after)
def test_server_vlv_gte_with_cookie(self):
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
for attr in attrs:
gte_order, expected_order, gte_map = \
self.get_gte_tests_and_order(attr)
# In case there is some order dependency, disorder tests
gte_tests = gte_order[:]
random.seed(1)
random.shuffle(gte_tests)
res = None
sort_control = "server_sort:1:0:%s" % attr
for before in [0, 1, 2, 4]:
for after in [0, 1, 3, 6]:
for gte in gte_tests:
if res is not None:
cookie = get_cookie(res.controls, len(self.users))
else:
cookie = None
vlv_search = encode_vlv_control(before=before,
after=after,
gte=gte,
cookie=cookie)
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
results = [x[attr][0] for x in res]
offset = gte_map.get(gte, len(expected_order))
# here offset is 0-based
start = max(offset - before, 0)
end = offset + 1 + after
expected_results = expected_order[start: end]
self.assertEquals(expected_results, results)
def test_server_vlv_gte_no_cookie(self):
attrs = [x for x in self.users[0].keys() if x not in
('dn', 'objectclass')]
iteration = 0
for attr in attrs:
gte_order, expected_order, gte_map = \
self.get_gte_tests_and_order(attr)
# In case there is some order dependency, disorder tests
gte_tests = gte_order[:]
random.seed(1)
random.shuffle(gte_tests)
sort_control = "server_sort:1:0:%s" % attr
for before in [0, 1, 3]:
for after in [0, 4]:
for gte in gte_tests:
vlv_search = encode_vlv_control(before=before,
after=after,
gte=gte)
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
vlv_search])
results = [x[attr][0] for x in res]
# here offset is 0-based
offset = gte_map.get(gte, len(expected_order))
start = max(offset - before, 0)
end = offset + after + 1
expected_results = expected_order[start: end]
iteration += 1
if expected_results != results:
middle = expected_order[len(expected_order) // 2]
print expected_results, results
print middle
print expected_order
print
print ("\nattr %s offset %d before %d "
"after %d gte %s" %
(attr, offset, before, after, gte))
self.assertEquals(expected_results, results)
def test_multiple_searches(self):
"""The maximum number of concurrent vlv searches per connection is
currently set at 3. That means if you open 4 VLV searches the
cookie on the first one should fail.
"""
# Windows has a limit of 10 VLVs where there are low numbers
# of objects in each search.
attrs = ([x for x in self.users[0].keys() if x not in
('dn', 'objectclass')] * 2)[:12]
vlv_cookies = []
for attr in attrs:
sort_control = "server_sort:1:0:%s" % attr
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:1:1:1:1:0"])
cookie = get_cookie(res.controls, len(self.users))
vlv_cookies.append(cookie)
time.sleep(0.2)
# now this one should fail
self.assertRaises(ldb.LdbError,
self.ldb.search,
self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:1:1:1:1:0:%s" % vlv_cookies[0]])
# and this one should succeed
res = self.ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:1:1:1:1:0:%s" % vlv_cookies[-1]])
# this one should fail because it is a new connection and
# doesn't share cookies
new_ldb = SamDB(host, credentials=creds,
session_info=system_session(lp), lp=lp)
self.assertRaises(ldb.LdbError,
new_ldb.search, self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:1:1:1:1:0:%s" % vlv_cookies[-1]])
# but now without the critical flag it just does no VLV.
new_ldb.search(self.ou,
scope=ldb.SCOPE_ONELEVEL,
attrs=[attr],
controls=[sort_control,
"vlv:0:1:1:1:0:%s" % vlv_cookies[-1]])
if "://" not in host:
if os.path.isfile(host):
host = "tdb://%s" % host
else:
host = "ldap://%s" % host
TestProgram(module=__name__, opts=subunitopts)