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987cba9057
This allows the tests to be executed without an explicit PYTHONPATH="bin/python". BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Tue Dec 13 14:06:14 UTC 2022 on sn-devel-184
123 lines
4.3 KiB
Python
Executable File
123 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Unix SMB/CIFS implementation.
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# Copyright (C) Samuel Cabrero 2021
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sys
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import os
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sys.path.insert(0, "bin/python")
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os.environ["PYTHONUNBUFFERED"] = "1"
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import pwd
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import ctypes
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from samba.tests import env_get_var_value
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from samba.samba3 import libsmb_samba_internal as libsmb
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from samba.samba3 import param as s3param
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from samba import NTSTATUSError, ntstatus
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from samba.tests.krb5.kdc_base_test import KDCBaseTest
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from samba.credentials import MUST_USE_KERBEROS, DONT_USE_KERBEROS
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class SmbMinDomainUid(KDCBaseTest):
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"""Test for SMB authorization without NSS winbind. In such setup domain
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accounts are mapped to local accounts using the 'username map' option.
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"""
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def setUp(self):
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super(KDCBaseTest, self).setUp()
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# Create a user account, along with a Kerberos credentials cache file
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# where the service ticket authenticating the user are stored.
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self.samdb = self.get_samdb()
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self.mach_name = env_get_var_value('SERVER')
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self.user_name = "root"
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self.service = "cifs"
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self.share = "tmp"
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# Create the user account.
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(self.user_creds, _) = self.create_account(self.samdb, self.user_name)
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# Build the global inject file path
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server_conf = env_get_var_value('SMB_CONF_PATH')
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server_conf_dir = os.path.dirname(server_conf)
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self.global_inject = os.path.join(server_conf_dir, "global_inject.conf")
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def _test_min_uid(self, creds):
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# Assert unix root uid is less than 'idmap config ADDOMAIN' minimum
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s3_lp = s3param.get_context()
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s3_lp.load(self.get_lp().configfile)
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domain_range = s3_lp.get("idmap config * : range").split('-')
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domain_range_low = int(domain_range[0])
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unix_root_pw = pwd.getpwnam(self.user_name)
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self.assertLess(unix_root_pw.pw_uid, domain_range_low)
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self.assertLess(unix_root_pw.pw_gid, domain_range_low)
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conn = libsmb.Conn(self.mach_name, self.share, lp=s3_lp, creds=creds)
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# Disconnect
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conn = None
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# Restrict access to local root account uid
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with open(self.global_inject, 'w') as f:
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f.write("min domain uid = %s\n" % (unix_root_pw.pw_uid + 1))
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with self.assertRaises(NTSTATUSError) as cm:
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conn = libsmb.Conn(self.mach_name,
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self.share,
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lp=s3_lp,
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creds=creds)
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code = ctypes.c_uint32(cm.exception.args[0]).value
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self.assertEqual(code, ntstatus.NT_STATUS_INVALID_TOKEN)
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# check that the local root account uid is now allowed
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with open(self.global_inject, 'w') as f:
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f.write("min domain uid = %s\n" % unix_root_pw.pw_uid)
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conn = libsmb.Conn(self.mach_name, self.share, lp=s3_lp, creds=creds)
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# Disconnect
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conn = None
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with open(self.global_inject, 'w') as f:
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f.truncate()
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def test_min_domain_uid_krb5(self):
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krb5_state = self.user_creds.get_kerberos_state()
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self.user_creds.set_kerberos_state(MUST_USE_KERBEROS)
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ret = self._test_min_uid(self.user_creds)
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self.user_creds.set_kerberos_state(krb5_state)
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return ret
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def test_min_domain_uid_ntlmssp(self):
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krb5_state = self.user_creds.get_kerberos_state()
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self.user_creds.set_kerberos_state(DONT_USE_KERBEROS)
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ret = self._test_min_uid(self.user_creds)
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self.user_creds.set_kerberos_state(krb5_state)
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return ret
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def tearDown(self):
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# Ensure no leftovers in global inject file
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with open(self.global_inject, 'w') as f:
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f.truncate()
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super(KDCBaseTest, self).tearDown()
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if __name__ == "__main__":
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import unittest
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unittest.main()
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