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# -*- coding: utf-8 -*-
# Copyright: (c) 2020, Jordan Borean (@jborean93) <jborean93@gmail.com>
# MIT License (see LICENSE or https://opensource.org/licenses/MIT)
import pytest
import spnego._credssp_structures as credssp
from .conftest import get_data
def test_unpack_missing_text_field():
with pytest.raises(ValueError, match="Missing mandatory text field 'field' in 'structure'"):
credssp.unpack_text_field({}, 0, "structure", "field")
def test_ts_request_pack():
expected = get_data("credssp_ts_request")
actual = credssp.TSRequest(6, credssp.NegoData(b"123"), b"auth info", b"pub key auth", 10, b"client nonce").pack()
assert actual == expected
def test_ts_request_unpack():
data = get_data("credssp_ts_request")
actual = credssp.TSRequest.unpack(data)
assert isinstance(actual, credssp.TSRequest)
assert actual.version == 6
assert isinstance(actual.nego_tokens, list)
assert len(actual.nego_tokens) == 1
assert isinstance(actual.nego_tokens[0], credssp.NegoData)
assert actual.nego_tokens[0].nego_token == b"123"
assert actual.auth_info == b"auth info"
assert actual.pub_key_auth == b"pub key auth"
assert actual.error_code == 10
assert actual.client_nonce == b"client nonce"
def test_ts_credential_unknown_credential_type():
credential = credssp.TSCredentials("failure") # type: ignore[arg-type] # Testing this scenario
with pytest.raises(ValueError, match="Invalid credential type set"):
_ = credential.cred_type
def test_ts_credential_unknown_credential_type_unpack():
data = get_data("credssp_ts_credential_password")
# Manually change the credType to 0 in a known good structure.
data = data[:6] + b"\x00" + data[7:]
with pytest.raises(ValueError, match="Unknown credType 0 in TSCredentials, cannot unpack"):
credssp.TSCredentials.unpack(data)
def test_ts_credential_password_pack():
expected = get_data("credssp_ts_credential_password")
actual = credssp.TSCredentials(
credssp.TSPasswordCreds(
"domain name",
"username",
"password",
)
).pack()
assert actual == expected
def test_ts_credential_password_unpack():
data = get_data("credssp_ts_credential_password")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 1
assert isinstance(actual.credentials, credssp.TSPasswordCreds)
assert actual.credentials.domain_name == "domain name"
assert actual.credentials.username == "username"
assert actual.credentials.password == "password"
def test_ts_credential_smart_card_pack():
# https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cssp/94846575-5a58-44de-b07b-48b90af328fb
expected = get_data("credssp_ts_credential_smart_card")
actual = credssp.TSCredentials(
credssp.TSSmartCardCreds(
"bbbbbbbbbbbb",
credssp.TSCspDataDetail(
1,
reader_name="OMNIKEY CardMan 3x21 0",
container_name="le-MSSmartcardUser-8bda019f-1266--53268",
csp_name="Microsoft Base Smart Card Crypto Provider",
),
)
).pack()
assert actual == expected
def test_ts_credential_smart_card_unpack():
# https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cssp/94846575-5a58-44de-b07b-48b90af328fb
data = get_data("credssp_ts_credential_smart_card")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 2
assert isinstance(actual.credentials, credssp.TSSmartCardCreds)
assert actual.credentials.pin == "bbbbbbbbbbbb"
assert isinstance(actual.credentials.csp_data, credssp.TSCspDataDetail)
assert actual.credentials.csp_data.key_spec == 1
assert actual.credentials.csp_data.card_name is None
assert actual.credentials.csp_data.reader_name == "OMNIKEY CardMan 3x21 0"
assert actual.credentials.csp_data.container_name == "le-MSSmartcardUser-8bda019f-1266--53268"
assert actual.credentials.csp_data.csp_name == "Microsoft Base Smart Card Crypto Provider"
assert actual.credentials.user_hint is None
assert actual.credentials.domain_hint is None
def test_ts_credential_smart_card_full_pack():
expected = get_data("credssp_ts_credential_smart_card_full")
actual = credssp.TSCredentials(
credssp.TSSmartCardCreds(
"bbbbbbbbbbbb",
credssp.TSCspDataDetail(
1,
card_name="Card Name",
reader_name="OMNIKEY CardMan 3x21 0",
container_name="le-MSSmartcardUser-8bda019f-1266--53268",
csp_name="Microsoft Base Smart Card Crypto Provider",
),
"user_hint",
"domain_hint",
)
).pack()
assert actual == expected
def test_ts_credential_smart_card_full_unpack():
data = get_data("credssp_ts_credential_smart_card_full")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 2
assert isinstance(actual.credentials, credssp.TSSmartCardCreds)
assert actual.credentials.pin == "bbbbbbbbbbbb"
assert isinstance(actual.credentials.csp_data, credssp.TSCspDataDetail)
assert actual.credentials.csp_data.key_spec == 1
assert actual.credentials.csp_data.card_name == "Card Name"
assert actual.credentials.csp_data.reader_name == "OMNIKEY CardMan 3x21 0"
assert actual.credentials.csp_data.container_name == "le-MSSmartcardUser-8bda019f-1266--53268"
assert actual.credentials.csp_data.csp_name == "Microsoft Base Smart Card Crypto Provider"
assert actual.credentials.user_hint == "user_hint"
assert actual.credentials.domain_hint == "domain_hint"
def test_ts_credential_remote_guard_multiple_pack():
expected = get_data("credssp_ts_credential_remote_guard_multiple")
actual = credssp.TSCredentials(
credssp.TSRemoteGuardCreds(
credssp.TSRemoteGuardPackageCred("Package 1", b"123"),
[
credssp.TSRemoteGuardPackageCred("Package 2", b"456"),
credssp.TSRemoteGuardPackageCred("Package 3", b"789"),
],
)
).pack()
assert actual == expected
def test_ts_credential_remote_guard_multiple_unpack():
data = get_data("credssp_ts_credential_remote_guard_multiple")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 6
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials.logon_cred, credssp.TSRemoteGuardPackageCred)
assert actual.credentials.logon_cred.package_name == "Package 1"
assert actual.credentials.logon_cred.cred_buffer == b"123"
assert isinstance(actual.credentials.supplemental_creds, list)
assert len(actual.credentials.supplemental_creds) == 2
assert isinstance(actual.credentials.supplemental_creds[0], credssp.TSRemoteGuardPackageCred)
assert actual.credentials.supplemental_creds[0].package_name == "Package 2"
assert actual.credentials.supplemental_creds[0].cred_buffer == b"456"
assert isinstance(actual.credentials.supplemental_creds[1], credssp.TSRemoteGuardPackageCred)
assert actual.credentials.supplemental_creds[1].package_name == "Package 3"
assert actual.credentials.supplemental_creds[1].cred_buffer == b"789"
def test_ts_credential_remote_guard_no_supplemental_pack():
expected = get_data("credssp_ts_credential_remote_guard_no_supplemental")
actual = credssp.TSCredentials(
credssp.TSRemoteGuardCreds(
credssp.TSRemoteGuardPackageCred("Package 1", b"123"),
)
).pack()
assert actual == expected
def test_ts_credential_remote_guard_no_supplemental_unpack():
data = get_data("credssp_ts_credential_remote_guard_no_supplemental")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 6
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials.logon_cred, credssp.TSRemoteGuardPackageCred)
assert actual.credentials.logon_cred.package_name == "Package 1"
assert actual.credentials.logon_cred.cred_buffer == b"123"
assert actual.credentials.supplemental_creds is None
def test_ts_credential_remote_guard_empty_supplemental_pack():
expected = get_data("credssp_ts_credential_remote_guard_empty_supplemental")
actual = credssp.TSCredentials(
credssp.TSRemoteGuardCreds(credssp.TSRemoteGuardPackageCred("Package 1", b"123"), [])
).pack()
assert actual == expected
def test_ts_credential_remote_guard_empty_supplemental_unpack():
data = get_data("credssp_ts_credential_remote_guard_empty_supplemental")
actual = credssp.TSCredentials.unpack(data)
assert isinstance(actual, credssp.TSCredentials)
assert actual.cred_type == 6
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials, credssp.TSRemoteGuardCreds)
assert isinstance(actual.credentials.logon_cred, credssp.TSRemoteGuardPackageCred)
assert actual.credentials.logon_cred.package_name == "Package 1"
assert actual.credentials.logon_cred.cred_buffer == b"123"
assert actual.credentials.supplemental_creds == []
def test_ts_remote_guard_pack():
# Based on https://interopevents.blob.core.windows.net/events/2018/rdp/day3/577741-Remote%20Credencial%20Guard.pdf
expected = get_data("credssp_ts_remote_guard_ms_example")
actual = credssp.TSRemoteGuardCreds(
credssp.TSRemoteGuardPackageCred("Kerberos", b"\x11" * 2611),
credssp.TSRemoteGuardPackageCred("NTLM", b"\x22" * 204),
).pack()
assert actual == expected
def test_ts_remote_guard_unpack():
# Based on https://interopevents.blob.core.windows.net/events/2018/rdp/day3/577741-Remote%20Credencial%20Guard.pdf
data = get_data("credssp_ts_remote_guard_ms_example")
actual = credssp.TSRemoteGuardCreds.unpack(data)
assert isinstance(actual, credssp.TSRemoteGuardCreds)
assert isinstance(actual.logon_cred, credssp.TSRemoteGuardPackageCred)
assert actual.logon_cred.package_name == "Kerberos"
assert actual.logon_cred.cred_buffer == b"\x11" * 2611
assert isinstance(actual.supplemental_creds, list)
assert len(actual.supplemental_creds) == 1
assert isinstance(actual.supplemental_creds[0], credssp.TSRemoteGuardPackageCred)
assert actual.supplemental_creds[0].package_name == "NTLM"
assert actual.supplemental_creds[0].cred_buffer == b"\x22" * 204
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