1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
#!/usr/bin/env python
# Unix SMB/CIFS implementation.
# A test for the ntlm_auth tool
# Copyright (C) Kai Blin <kai@samba.org> 2008
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Test ntlm_auth
This test program will start ntlm_auth with the given command line switches and
see if it will get the expected results.
"""
import os
import sys
from optparse import OptionParser
class ReadChildError(Exception):
pass
class WriteChildError(Exception):
pass
def readLine(pipe):
"""readLine(pipe) -> str
Read a line from the child's pipe, returns the string read.
Throws ReadChildError if the read fails.
"""
buf = os.read(pipe, 2047)
newline = buf.find('\n')
if newline == -1:
raise ReadChildError()
return buf[:newline]
def writeLine(pipe, buf):
"""writeLine(pipe, buf) -> nul
Write a line to the child's pipe.
Raises WriteChildError if the write fails.
"""
written = os.write(pipe, buf)
if written != len(buf):
raise WriteChildError()
os.write(pipe, "\n")
def parseCommandLine():
"""parseCommandLine() -> (opts, ntlm_auth_path)
Parse the command line.
Return a tuple consisting of the options and the path to ntlm_auth.
"""
usage = "usage: %prog [options] path/to/ntlm_auth"
parser = OptionParser(usage)
parser.set_defaults(client_username="foo")
parser.set_defaults(client_password="secret")
parser.set_defaults(client_domain="FOO")
parser.set_defaults(client_helper="ntlmssp-client-1")
parser.set_defaults(server_username="foo")
parser.set_defaults(server_password="secret")
parser.set_defaults(server_domain="FOO")
parser.set_defaults(server_helper="squid-2.5-ntlmssp")
parser.set_defaults(config_file="/etc/samba/smb.conf")
parser.add_option("--client-username", dest="client_username",\
help="User name for the client. [default: foo]")
parser.add_option("--client-password", dest="client_password",\
help="Password the client will send. [default: secret]")
parser.add_option("--client-domain", dest="client_domain",\
help="Domain the client authenticates for. [default: FOO]")
parser.add_option("--client-helper", dest="client_helper",\
help="Helper mode for the ntlm_auth client. [default: ntlmssp-client-1]")
parser.add_option("--server-username", dest="server_username",\
help="User name server uses for local auth. [default: foo]")
parser.add_option("--server-password", dest="server_password",\
help="Password server uses for local auth. [default: secret]")
parser.add_option("--server-domain", dest="server_domain",\
help="Domain server uses for local auth. [default: FOO]")
parser.add_option("--server-helper", dest="server_helper",\
help="Helper mode for the ntlm_auth server. [default: squid-2.5-server]")
parser.add_option("--server-use-winbindd", dest="server_use_winbindd",\
help="Use winbindd to check the password (rather than default username/pw)", action="store_true")
parser.add_option("-s", "--configfile", dest="config_file",\
help="Path to smb.conf file. [default:/etc/samba/smb.conf")
(opts, args) = parser.parse_args()
if len(args) != 1:
parser.error("Invalid number of arguments.")
if not os.access(args[0], os.X_OK):
parser.error("%s is not executable." % args[0])
return (opts, args[0])
def main():
"""main() -> int
Run the test.
Returns 0 if test succeeded, <>0 otherwise.
"""
(opts, ntlm_auth_path) = parseCommandLine()
(client_in_r, client_in_w) = os.pipe()
(client_out_r, client_out_w) = os.pipe()
client_pid = os.fork()
if not client_pid:
# We're in the client child
os.close(0)
os.close(1)
os.dup2(client_out_r, 0)
os.close(client_out_r)
os.close(client_out_w)
os.dup2(client_in_w, 1)
os.close(client_in_r)
os.close(client_in_w)
client_args = []
client_args.append("--helper-protocol=%s" % opts.client_helper)
client_args.append("--username=%s" % opts.client_username)
client_args.append("--password=%s" % opts.client_password)
client_args.append("--domain=%s" % opts.client_domain)
client_args.append("--configfile=%s" % opts.config_file)
os.execv(ntlm_auth_path, client_args)
client_in = client_in_r
os.close(client_in_w)
client_out = client_out_w
os.close(client_out_r)
(server_in_r, server_in_w) = os.pipe()
(server_out_r, server_out_w) = os.pipe()
server_pid = os.fork()
if not server_pid:
# We're in the server child
os.close(0)
os.close(1)
os.dup2(server_out_r, 0)
os.close(server_out_r)
os.close(server_out_w)
os.dup2(server_in_w, 1)
os.close(server_in_r)
os.close(server_in_w)
server_args = []
server_args.append("--helper-protocol=%s" % opts.server_helper)
if not opts.server_use_winbindd:
server_args.append("--username=%s" % opts.server_username)
server_args.append("--password=%s" % opts.server_password)
server_args.append("--domain=%s" % opts.server_domain)
server_args.append("--configfile=%s" % opts.config_file)
os.execv(ntlm_auth_path, server_args)
server_in = server_in_r
os.close(server_in_w)
server_out = server_out_w
os.close(server_out_r)
# We're in the parent
writeLine(client_out, "YR")
buf = readLine(client_in)
if buf.count("YR ", 0, 3) != 1:
sys.exit(1)
writeLine(server_out, buf)
buf = readLine(server_in)
if buf.count("TT ", 0, 3) != 1:
sys.exit(2)
writeLine(client_out, buf)
buf = readLine(client_in)
if buf.count("AF ", 0, 3) != 1:
sys.exit(3)
# Client sends 'AF <base64 blob>' but server expects 'KK <abse64 blob>'
buf = buf.replace("AF", "KK", 1)
writeLine(server_out, buf)
buf = readLine(server_in)
if buf.count("AF ", 0, 3) != 1:
sys.exit(4)
if opts.client_helper == "ntlmssp-client-1":
writeLine(client_out, "GK")
buf = readLine(client_in)
if buf.count("GK ", 0, 3) != 1:
sys.exit(4)
writeLine(client_out, "GF")
buf = readLine(client_in)
if buf.count("GF ", 0, 3) != 1:
sys.exit(4)
if opts.server_helper == "squid-2.5-ntlmssp":
writeLine(server_out, "GK")
buf = readLine(server_in)
if buf.count("GK ", 0, 3) != 1:
sys.exit(4)
writeLine(server_out, "GF")
buf = readLine(server_in)
if buf.count("GF ", 0, 3) != 1:
sys.exit(4)
os.close(server_in)
os.close(server_out)
os.close(client_in)
os.close(client_out)
os.waitpid(server_pid, 0)
os.waitpid(client_pid, 0)
sys.exit(0)
if __name__ == "__main__":
main()
|
