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#!/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.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]")
(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)
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)
server_args.append("--username=%s" % opts.server_username)
server_args.append("--password=%s" % opts.server_password)
server_args.append("--domain=%s" % opts.server_domain)
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)
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()
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