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|
import os
import struct
import sys
import pytest
from conftest import get_config, test_ace
from bonsai import LDAPClient
from bonsai.active_directory.acl import ACE, ACL, ACLRevision
from bonsai.active_directory.sid import SID
from bonsai.active_directory import SecurityDescriptor
@pytest.fixture
def client():
"""Create a client with authentication settings."""
cfg = get_config()
url = f"ldap://{cfg['SERVER']['hostname']}:{cfg['SERVER']['port']}"
client = LDAPClient(url)
client.set_credentials(
"SIMPLE", user=cfg["SIMPLEAUTH"]["user"], password=cfg["SIMPLEAUTH"]["password"]
)
return client
@pytest.fixture
def test_sd():
return SecurityDescriptor(
{
"self_relative": False,
"rm_control_valid": False,
"sacl_protected": False,
"dacl_protected": False,
"sacl_auto_inherited": False,
"dacl_auto_inherited": False,
"sacl_computed_inheritance_required": False,
"dacl_computed_inheritance_required": False,
"server_security": False,
"dacl_trusted": True,
"sacl_defaulted": False,
"sacl_present": False,
"dacl_defaulted": False,
"dacl_present": False,
"group_defaulted": True,
"owner_defaulted": True,
},
SID("S-1-1-0"),
SID("S-1-1-0"),
None,
None,
)
def test_from_binary():
"""Test from_binary method."""
with pytest.raises(TypeError):
_ = SecurityDescriptor.from_binary(0)
with pytest.raises(TypeError):
_ = SecurityDescriptor.from_binary("INVALID")
with pytest.raises(ValueError):
_ = SecurityDescriptor.from_binary(b"\x05\nH\x00\x07\x00")
curdir = os.path.abspath(os.path.dirname(__file__))
with open(os.path.join(curdir, "testenv", "sd-sample0.bin"), "rb") as data:
input_data = data.read()
sec_desc = SecurityDescriptor.from_binary(input_data)
assert sec_desc.revision == 1
assert sec_desc.group_sid == "S-1-5-21-3526669579-2242266465-3136906013-512"
assert sec_desc.owner_sid == "S-1-5-21-3526669579-2242266465-3136906013-512"
assert sec_desc.sbz1 == 0
assert sec_desc.control["dacl_present"]
assert len(sec_desc.dacl.aces) == 24
assert sec_desc.dacl.aces[0].type == 5
assert str(sec_desc.dacl.aces[0].trustee_sid) == "S-1-5-32-554"
assert not sec_desc.control["sacl_present"]
assert sec_desc.sacl is None
with open(os.path.join(curdir, "testenv", "sd-sample1.bin"), "rb") as data:
input_data = data.read()
sec_desc = SecurityDescriptor.from_binary(input_data)
assert sec_desc.revision == 1
assert sec_desc.group_sid == "S-1-5-21-3526669579-2242266465-3136906013-512"
assert sec_desc.owner_sid == "S-1-5-21-3526669579-2242266465-3136906013-512"
assert sec_desc.sbz1 == 0
assert sec_desc.control["dacl_present"]
assert len(sec_desc.dacl.aces) == 24
assert sec_desc.dacl.aces[0].type == 5
assert sec_desc.dacl.aces[0].trustee_sid == "S-1-5-32-554"
assert sec_desc.control["sacl_present"]
assert len(sec_desc.sacl.aces) == 3
assert sec_desc.sacl.aces[0].type == 2
assert sec_desc.sacl.aces[0].trustee_sid == "S-1-1-0"
@pytest.mark.parametrize(
"file",
["sd-sample0.bin", "sd-sample1.bin"],
)
def test_to_binary(file):
"""Test to_binary method."""
curdir = os.path.abspath(os.path.dirname(__file__))
with open(os.path.join(curdir, "testenv", file), "rb") as data:
expected_data = data.read()
test_sec_desc = SecurityDescriptor.from_binary(expected_data)
test_data = test_sec_desc.to_binary()
(
expected_rev,
expected_sbz1,
expected_ctrl,
expected_offset_owner,
expected_offset_group,
expected_offset_sacl,
expected_offset_dacl,
) = struct.unpack("<BBHIIII", expected_data[:20])
(
test_rev,
test_sbz1,
test_ctrl,
test_offset_owner,
test_offset_group,
test_offset_sacl,
test_offset_dacl,
) = struct.unpack("<BBHIIII", test_data[:20])
assert len(test_data) == len(expected_data)
assert test_rev == expected_rev
assert test_sbz1 == expected_sbz1
assert test_ctrl == expected_ctrl
if expected_offset_owner:
assert (
test_data[
test_offset_owner : test_offset_owner + test_sec_desc.owner_sid.size
]
== expected_data[
expected_offset_owner : expected_offset_owner
+ test_sec_desc.owner_sid.size
]
)
if expected_offset_group:
assert (
test_data[
test_offset_group : test_offset_group + test_sec_desc.group_sid.size
]
== expected_data[
expected_offset_group : expected_offset_group
+ test_sec_desc.group_sid.size
]
)
if expected_offset_sacl:
assert (
test_data[test_offset_sacl : test_offset_sacl + test_sec_desc.sacl.size]
== expected_data[
expected_offset_sacl : expected_offset_sacl
+ test_sec_desc.sacl.size
]
)
if expected_offset_dacl:
assert (
test_data[test_offset_dacl : test_offset_dacl + test_sec_desc.dacl.size]
== expected_data[
expected_offset_dacl : expected_offset_dacl
+ test_sec_desc.dacl.size
]
)
assert SecurityDescriptor.from_binary(test_data).to_binary() == test_data
@pytest.mark.skipif(
not sys.platform.startswith("win"),
reason="Cannot query SecurityDescriptor from OpenLDAP",
)
@pytest.mark.parametrize(
"sd_flags, owner_sid, group_sid, dacl, sacl",
[
(1, True, False, False, False),
(2, False, True, False, False),
(3, True, True, False, False),
(4, False, False, True, False),
(8, False, False, False, True),
(15, True, True, True, True),
],
ids=["only-owner", "only-group", "owner-group", "only-dacl", "only-sacl", "all"],
)
def test_sd_flags(client, sd_flags, owner_sid, group_sid, dacl, sacl):
"""Test LDAP_SERVER_SD_FLAGS_OID control"""
client.sd_flags = sd_flags
with client.connect() as conn:
res = conn.search(
"cn=chuck,ou=nerdherd,dc=bonsai,dc=test",
0,
attrlist=["nTSecurityDescriptor"],
)[0]
sec_desc = SecurityDescriptor.from_binary(res["nTSecurityDescriptor"][0])
assert sec_desc.revision == 1
if owner_sid:
assert sec_desc.owner_sid is not None
assert isinstance(sec_desc.owner_sid, SID)
else:
assert sec_desc.owner_sid is None
if group_sid:
assert sec_desc.group_sid is not None
assert isinstance(sec_desc.group_sid, SID)
else:
assert sec_desc.group_sid is None
assert sec_desc.control["dacl_present"] is dacl
if dacl:
assert isinstance(sec_desc.dacl, ACL)
else:
assert sec_desc.dacl is None
assert sec_desc.control["sacl_present"] is sacl
if sacl:
assert isinstance(sec_desc.sacl, ACL)
else:
assert sec_desc.sacl is None
def test_sd_set_control(test_sd: SecurityDescriptor):
"""Test setting controls for SecurityDescriptor."""
with pytest.raises(TypeError):
test_sd.set_control("string")
with pytest.raises(TypeError):
test_sd.set_control({"a": "b", "c": True})
with pytest.raises(ValueError):
test_sd.set_control(-2)
test_sd.set_control(0)
assert all(val is False for val in test_sd.control.values())
test_sd.control = {"sacl_protected": True}
assert test_sd.control["sacl_protected"]
assert all(
val is False for key, val in test_sd.control.items() if key != "sacl_protected"
)
test_sd.control = 0x8 + 0x20
assert test_sd.control["dacl_defaulted"]
assert test_sd.control["sacl_defaulted"]
assert all(
val is False
for key, val in test_sd.control.items()
if key not in ("dacl_defaulted", "sacl_defaulted")
)
def test_sd_set_owner_sid(test_sd: SecurityDescriptor):
"""Test setting owner SID for SecurityDescriptor."""
assert test_sd.owner_sid == SID("S-1-1-0")
with pytest.raises(TypeError):
test_sd.set_owner_sid("string")
with pytest.raises(TypeError):
test_sd.set_owner_sid(0)
with pytest.raises(TypeError):
test_sd.owner_sid = True
test_sd.set_owner_sid(SID("S-1-5-10"))
assert test_sd.owner_sid == SID("S-1-5-10")
test_sd.owner_sid = SID("S-1-5-20")
assert test_sd.owner_sid == SID("S-1-5-20")
def test_sd_set_group_sid(test_sd: SecurityDescriptor):
"""Test setting group SID for SecurityDescriptor."""
assert test_sd.group_sid == SID("S-1-1-0")
with pytest.raises(TypeError):
test_sd.set_group_sid("string")
with pytest.raises(TypeError):
test_sd.set_group_sid(0)
with pytest.raises(TypeError):
test_sd.group_sid = True
test_sd.set_group_sid(SID("S-1-5-10"))
assert test_sd.group_sid == SID("S-1-5-10")
test_sd.group_sid = SID("S-1-5-20")
assert test_sd.group_sid == SID("S-1-5-20")
def test_sd_set_dacl(test_sd: SecurityDescriptor, test_ace: ACE):
"""Test setting dacl for SecurityDescriptor."""
assert test_sd.dacl is None
with pytest.raises(TypeError):
test_sd.set_dacl("string")
with pytest.raises(TypeError):
test_sd.set_dacl(0)
with pytest.raises(TypeError):
test_sd.dacl = True
with pytest.raises(TypeError):
test_sd.set_dacl(["A", "b"])
test_sd.set_dacl(ACL(ACLRevision.ACL_REVISION, []))
assert test_sd.dacl is not None
assert test_sd.control["dacl_present"]
test_sd.dacl = ACL(ACLRevision.ACL_REVISION, [test_ace])
assert test_sd.dacl is not None
assert test_sd.dacl.aces[0] == test_ace
test_sd.dacl = None
assert test_sd.dacl is None
assert test_sd.control["dacl_present"] is False
def test_sd_set_sacl(test_sd: SecurityDescriptor, test_ace: ACE):
"""Test setting sacl for SecurityDescriptor."""
assert test_sd.sacl is None
with pytest.raises(TypeError):
test_sd.set_sacl("string")
with pytest.raises(TypeError):
test_sd.set_sacl(0)
with pytest.raises(TypeError):
test_sd.sacl = True
with pytest.raises(TypeError):
test_sd.set_sacl(["A", "b"])
test_sd.set_sacl(ACL(ACLRevision.ACL_REVISION, []))
assert test_sd.sacl is not None
assert test_sd.control["sacl_present"]
test_sd.sacl = ACL(ACLRevision.ACL_REVISION, [test_ace])
assert test_sd.sacl is not None
assert test_sd.sacl.aces[0] == test_ace
test_sd.sacl = None
assert test_sd.sacl is None
assert test_sd.control["sacl_present"] is False
|
