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The class is based on test_ntlm_auth.py script. Signed-off-by: Samuel Cabrero <scabrero@suse.de> Reviewed-by: Noel Power <npower@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Pair-programmed-by: Andrew Bartlett <abartlet@samba.org>
211 lines
8.5 KiB
Python
211 lines
8.5 KiB
Python
# Unix SMB/CIFS implementation.
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# A test for the ntlm_auth tool
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# Copyright (C) Kai Blin <kai@samba.org> 2008
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# Copyright (C) Samuel Cabrero <scabrero@suse.de> 2018
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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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"""Test ntlm_auth
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This test program will start ntlm_auth with the given command line switches and
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see if it will get the expected results.
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"""
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import os
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import samba
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import subprocess
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from samba.tests import BlackboxTestCase
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class NTLMAuthTestCase(BlackboxTestCase):
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def setUp(self):
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super(NTLMAuthTestCase, self).setUp()
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bindir = os.path.normpath(os.getenv("BINDIR", "./bin"))
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self.ntlm_auth_path = os.path.join(bindir, 'ntlm_auth')
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self.lp = samba.tests.env_loadparm()
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self.winbind_separator = self.lp.get('winbind separator')
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def readLine(self, text_stream):
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buf = text_stream.readline()
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newline = buf.find('\n')
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if newline == -1:
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raise Exception("Failed to read line")
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return buf[:newline]
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def writeLine(self, text_stream, buf):
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text_stream.write(buf)
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text_stream.write("\n")
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def run_helper(self,
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client_username=None,
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client_password=None,
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client_domain=None,
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client_use_cached_creds=False,
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server_username=None,
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server_password=None,
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server_domain=None,
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client_helper="ntlmssp-client-1",
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server_helper="squid-2.5-ntlmssp",
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server_use_winbind=False,
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require_membership=None,
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target_hostname=None,
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target_service=None):
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self.assertTrue(os.access(self.ntlm_auth_path, os.X_OK))
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if client_username is None:
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raise Exception("client_username required")
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# Client helper args
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client_args = []
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client_args.append(self.ntlm_auth_path)
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client_args.append("--helper-protocol=%s" % client_helper)
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client_args.append("--username=%s" % client_username)
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if client_domain:
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client_args.append("--domain=%s" % client_domain)
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if client_use_cached_creds:
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client_args.append("--use-cached-creds")
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else:
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if client_password is None:
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raise Exception("client_password required")
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client_args.append("--password=%s" % client_password)
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if target_service:
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client_args.append("--target-service=%s" % target_service)
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if target_hostname:
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client_args.append("--target-hostname=%s" % target_hostname)
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client_args.append("--configfile=%s" % self.lp.configfile)
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# Server helper args
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server_args = []
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server_args.append(self.ntlm_auth_path)
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server_args.append("--helper-protocol=%s" % server_helper)
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server_args.append("--configfile=%s" % self.lp.configfile)
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if not server_use_winbind:
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if server_username is None or server_password is None or server_domain is None:
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raise Exception("Server credentials required if not using winbind")
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server_args.append("--username=%s" % server_username)
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server_args.append("--password=%s" % server_password)
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server_args.append("--domain=%s" % server_domain)
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if require_membership is not None:
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raise Exception("Server must be using winbind for require-membership-of")
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else:
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if require_membership is not None:
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server_args.append("--require-membership-of=%s" % require_membership)
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# Run helpers
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result = False
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server_proc = subprocess.Popen(server_args, stdout=subprocess.PIPE, stdin=subprocess.PIPE, bufsize=0, universal_newlines=True)
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client_proc = subprocess.Popen(client_args, stdout=subprocess.PIPE, stdin=subprocess.PIPE, bufsize=0, universal_newlines=True)
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try:
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if client_helper == "ntlmssp-client-1" and server_helper == "squid-2.5-ntlmssp":
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self.writeLine(client_proc.stdin, "YR")
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("YR "))
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self.writeLine(server_proc.stdin, buf)
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buf = self.readLine(server_proc.stdout)
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self.assertTrue(buf.startswith("TT "))
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self.writeLine(client_proc.stdin, buf)
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("AF "))
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# Client sends 'AF <base64 blob>' but server
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# expects 'KK <base64 blob>'
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buf = buf.replace("AF", "KK", 1)
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self.writeLine(server_proc.stdin, buf)
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buf = self.readLine(server_proc.stdout)
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result = buf.startswith("AF ")
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elif client_helper == "ntlmssp-client-1" and server_helper == "gss-spnego":
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self.writeLine(client_proc.stdin, "YR")
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("YR "))
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self.writeLine(server_proc.stdin, buf)
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buf = self.readLine(server_proc.stdout)
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self.assertTrue(buf.startswith("TT "))
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self.writeLine(client_proc.stdin, buf)
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("AF "))
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# Client sends 'AF <base64 blob>' but server expects 'KK <abse64 blob>'
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buf = buf.replace("AF", "KK", 1)
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self.writeLine(server_proc.stdin, buf)
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buf = self.readLine(server_proc.stdout)
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result = buf.startswith("AF * ")
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elif client_helper == "gss-spnego-client" and server_helper == "gss-spnego":
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self.writeLine(server_proc.stdin, "YR")
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buf = self.readLine(server_proc.stdout)
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while True:
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if (buf.startswith("NA * ")):
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result = False
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break
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self.assertTrue(buf.startswith("AF ") or buf.startswith("TT "))
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self.writeLine(client_proc.stdin, buf)
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buf = self.readLine(client_proc.stdout)
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if buf.startswith("AF"):
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result = True
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break
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self.assertTrue(buf.startswith("AF ") or buf.startswith("KK ") or buf.startswith("TT "))
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self.writeLine(server_proc.stdin, buf)
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buf = self.readLine(server_proc.stdout)
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if buf.startswith("AF * "):
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result = True
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break
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else:
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self.fail("Helper protocols not handled")
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if result is True and client_helper == "ntlmssp-client-1":
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self.writeLine(client_proc.stdin, "GK")
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("GK "))
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self.writeLine(client_proc.stdin, "GF")
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buf = self.readLine(client_proc.stdout)
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self.assertTrue(buf.startswith("GF "))
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if result is True and server_helper == "squid-2.5-ntlmssp":
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self.writeLine(server_proc.stdin, "GK")
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buf = self.readLine(server_proc.stdout)
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self.assertTrue(buf.startswith("GK "))
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self.writeLine(server_proc.stdin, "GF")
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buf = self.readLine(server_proc.stdout)
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self.assertTrue(buf.startswith("GF "))
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client_proc.stdin.close()
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client_proc.wait()
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self.assertEqual(client_proc.returncode, 0)
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server_proc.stdin.close()
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server_proc.wait()
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self.assertEqual(server_proc.returncode, 0)
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return result
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except:
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client_proc.kill()
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client_proc.wait()
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server_proc.kill()
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server_proc.wait()
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raise
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