source: branches/samba-3.5.x/source4/setup/setpassword

#!/usr/bin/python
#
# Sets a user password on a Samba4 server
# Copyright Jelmer Vernooij 2008
#
# Based on the original in EJS:
# Copyright Andrew Tridgell 2005
#
# 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/>.
#

import sys

# Find right directory when running from source tree
sys.path.insert(0, "bin/python")

import samba.getopt as options
import optparse

from getpass import getpass
from samba.auth import system_session
from samba.samdb import SamDB

parser = optparse.OptionParser("setpassword [username] [options]")
sambaopts = options.SambaOptions(parser)
parser.add_option_group(sambaopts)
parser.add_option_group(options.VersionOptions(parser))
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
parser.add_option("-H", help="LDB URL for database or target server", type=str)
parser.add_option("--filter", help="LDAP Filter to set password on", type=str)
parser.add_option("--newpassword", help="Set password", type=str)
parser.add_option("--must-change-at-next-login", help="Force password to be changed on next login", action="store_true")

opts, args = parser.parse_args()

filter = opts.filter

if (len(args) == 0) and (filter is None):
        print "Either the username or '--filter' must be specified!"
        parser.print_usage()
        sys.exit(1)

password = opts.newpassword;
if password is None:
        password = getpass("New Password: ")

if filter is None:
        username = args[0]
        filter = "(&(objectClass=user)(sAMAccountName=%s))" % (username)

lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)

if opts.H is not None:
        url = opts.H
else:
        url = lp.get("sam database")

samdb = SamDB(url=url, session_info=system_session(), credentials=creds, lp=lp)

samdb.setpassword(filter, password, force_password_change_at_next_login_req=opts.must_change_at_next_login)