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#!/usr/bin/env python3

# Unix SMB/CIFS implementation.
# Copyright (C) Volker Lendecke 2008
# Copyright (C) Stefan Metzmacher 2008
#
# Extract our own machine pw from secrets.ldb
#
# 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 samba.param as param, ldb, sys, getopt

optlist, args = getopt.getopt(sys.argv[1:], "s:")

conf = param.LoadParm()
loaded = False

for o, v in optlist:
    if o == "-s":
        if not conf.load(v):
            print(v + " not found")
            exit(1)
        loaded = True

if not loaded:
    conf.load_default()

path=conf.get("private dir") + "/secrets.ldb"
netbios=conf.get("netbios name")

secrets = ldb.Ldb(path)

search = ("(&(objectclass=primaryDomain)(samaccountname=" +
      netbios + "$))")

msg = secrets.search(expression=search, attrs=['secret'])

if not msg:
    print("Error:")
    print("Password for host[%s] not found in path[%s]." % (netbios, path))
    print("You may want to pass the smb.conf location via the -s option.")
    exit(1)

password=msg[0]['secret'][0]

print(password)
exit(0)