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210e544016
Now the .conf file is only loaded on its first use, which means that SMB_CONF_PATH need not be defined for tests that don't make use of it. Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
111 lines
3.9 KiB
Python
Executable File
111 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Unix SMB/CIFS implementation.
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# Copyright (C) Stefan Metzmacher 2020
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# Copyright (C) 2021 Catalyst.Net Ltd
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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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from ldb import SCOPE_SUBTREE
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from samba.dcerpc import security
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from samba.ndr import ndr_unpack
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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.tests.krb5.kdc_base_test import KDCBaseTest
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sys.path.insert(0, "bin/python")
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os.environ["PYTHONUNBUFFERED"] = "1"
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global_asn1_print = False
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global_hexdump = False
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class SmbTests(KDCBaseTest):
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"""Test for SMB authentication using Kerberos credentials stored in a
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credentials cache file.
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"""
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def test_smb(self):
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# Create a user account and a machine account, along with a Kerberos
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# credentials cache file where the service ticket authenticating the
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# user are stored.
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samdb = self.get_samdb()
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user_name = "smbusr"
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mach_name = samdb.host_dns_name()
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service = "cifs"
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share = "tmp"
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# Create the user account.
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(user_credentials, _) = self.create_account(samdb, user_name)
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# Talk to the KDC to obtain the service ticket, which gets placed into
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# the cache. The machine account name has to match the name in the
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# ticket, to ensure that the krbtgt ticket doesn't also need to be
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# stored.
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(creds, cachefile) = self.create_ccache_with_user(user_credentials,
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mach_name,
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service)
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# Set the Kerberos 5 credentials cache environment variable. This is
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# required because the codepath that gets run (gse_krb5) looks for it
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# in here and not in the credentials object.
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krb5_ccname = os.environ.get("KRB5CCNAME", "")
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self.addCleanup(os.environ.__setitem__, "KRB5CCNAME", krb5_ccname)
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os.environ["KRB5CCNAME"] = "FILE:" + cachefile.name
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# Authenticate in-process to the machine account using the user's
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# cached credentials.
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# Retrieve the user account's SID.
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ldb_res = samdb.search(scope=SCOPE_SUBTREE,
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expression="(sAMAccountName=%s)" % user_name,
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attrs=["objectSid"])
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self.assertEqual(1, len(ldb_res))
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sid = ndr_unpack(security.dom_sid, ldb_res[0]["objectSid"][0])
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# Connect to a share and retrieve the user SID.
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s3_lp = s3param.get_context()
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s3_lp.load(self.get_lp().configfile)
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min_protocol = s3_lp.get("client min protocol")
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self.addCleanup(s3_lp.set, "client min protocol", min_protocol)
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s3_lp.set("client min protocol", "NT1")
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max_protocol = s3_lp.get("client max protocol")
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self.addCleanup(s3_lp.set, "client max protocol", max_protocol)
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s3_lp.set("client max protocol", "NT1")
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conn = libsmb.Conn(mach_name, share, lp=s3_lp, creds=creds)
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(uid, gid, gids, sids, guest) = conn.posix_whoami()
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# Ensure that they match.
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self.assertEqual(sid, sids[0])
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# Remove the cached credentials file.
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os.remove(cachefile.name)
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if __name__ == "__main__":
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global_asn1_print = True
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global_hexdump = True
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import unittest
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unittest.main()
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