+++ /dev/null
-#!/usr/bin/env python
-#
-# Sets password settings.
-# (Password complexity, history length, minimum password length, the minimum
-# and maximum password age) on a Samba4 server
-#
-# Copyright Matthias Dieter Wallnoefer 2009
-# Copyright Andrew Kroeger 2009
-# Copyright Jelmer Vernooij 2009
-#
-# 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.getopt as options
-import ldb
-
-from samba.auth import system_session
-from samba.samdb import SamDB
-from samba.dcerpc.samr import DOMAIN_PASSWORD_COMPLEX, DOMAIN_PASSWORD_STORE_CLEARTEXT
-from samba.netcmd import Command, CommandError, Option
-
-class cmd_pwsettings(Command):
- """Sets password settings
-
- Password complexity, history length, minimum password length, the minimum
- and maximum password age) on a Samba4 server.
- """
-
- synopsis = "(show | set <options>)"
-
- takes_optiongroups = {
- "sambaopts": options.SambaOptions,
- "versionopts": options.VersionOptions,
- "credopts": options.CredentialsOptions,
- }
-
- takes_options = [
- Option("-H", help="LDB URL for database or target server", type=str),
- Option("--quiet", help="Be quiet", action="store_true"),
- Option("--complexity", type="choice", choices=["on","off","default"],
- help="The password complexity (on | off | default). Default is 'on'"),
- Option("--store-plaintext", type="choice", choices=["on","off","default"],
- help="Store plaintext passwords where account have 'store passwords with reversible encryption' set (on | off | default). Default is 'off'"),
- Option("--history-length",
- help="The password history length (<integer> | default). Default is 24.", type=str),
- Option("--min-pwd-length",
- help="The minimum password length (<integer> | default). Default is 7.", type=str),
- Option("--min-pwd-age",
- help="The minimum password age (<integer in days> | default). Default is 1.", type=str),
- Option("--max-pwd-age",
- help="The maximum password age (<integer in days> | default). Default is 43.", type=str),
- ]
-
- takes_args = ["subcommand"]
-
- def run(self, subcommand, H=None, min_pwd_age=None, max_pwd_age=None,
- quiet=False, complexity=None, store_plaintext=None, history_length=None,
- min_pwd_length=None, credopts=None, sambaopts=None,
- versionopts=None):
- lp = sambaopts.get_loadparm()
- creds = credopts.get_credentials(lp)
-
- samdb = SamDB(url=H, session_info=system_session(),
- credentials=creds, lp=lp)
-
- domain_dn = samdb.domain_dn()
- res = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
- attrs=["pwdProperties", "pwdHistoryLength", "minPwdLength",
- "minPwdAge", "maxPwdAge"])
- assert(len(res) == 1)
- try:
- pwd_props = int(res[0]["pwdProperties"][0])
- pwd_hist_len = int(res[0]["pwdHistoryLength"][0])
- cur_min_pwd_len = int(res[0]["minPwdLength"][0])
- # ticks -> days
- cur_min_pwd_age = int(abs(int(res[0]["minPwdAge"][0])) / (1e7 * 60 * 60 * 24))
- cur_max_pwd_age = int(abs(int(res[0]["maxPwdAge"][0])) / (1e7 * 60 * 60 * 24))
- except Exception, e:
- raise CommandError("Could not retrieve password properties!", e)
-
- if subcommand == "show":
- self.message("Password informations for domain '%s'" % domain_dn)
- self.message("")
- if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
- self.message("Password complexity: on")
- else:
- self.message("Password complexity: off")
- if pwd_props & DOMAIN_PASSWORD_STORE_CLEARTEXT != 0:
- self.message("Store plaintext passwords: on")
- else:
- self.message("Store plaintext passwords: off")
- self.message("Password history length: %d" % pwd_hist_len)
- self.message("Minimum password length: %d" % cur_min_pwd_len)
- self.message("Minimum password age (days): %d" % cur_min_pwd_age)
- self.message("Maximum password age (days): %d" % cur_max_pwd_age)
- elif subcommand == "set":
- msgs = []
- m = ldb.Message()
- m.dn = ldb.Dn(samdb, domain_dn)
-
- if complexity is not None:
- if complexity == "on" or complexity == "default":
- pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
- msgs.append("Password complexity activated!")
- elif complexity == "off":
- pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
- msgs.append("Password complexity deactivated!")
-
- if store_plaintext is not None:
- if store_plaintext == "on" or store_plaintext == "default":
- pwd_props = pwd_props | DOMAIN_PASSWORD_STORE_CLEARTEXT
- msgs.append("Plaintext password storage for changed passwords activated!")
- elif store_plaintext == "off":
- pwd_props = pwd_props & (~DOMAIN_PASSWORD_STORE_CLEARTEXT)
- msgs.append("Plaintext password storage for changed passwords deactivated!")
-
- if complexity is not None or store_plaintext is not None:
- m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
- ldb.FLAG_MOD_REPLACE, "pwdProperties")
-
- if history_length is not None:
- if history_length == "default":
- pwd_hist_len = 24
- else:
- pwd_hist_len = int(history_length)
-
- if pwd_hist_len < 0 or pwd_hist_len > 24:
- raise CommandError("Password history length must be in the range of 0 to 24!")
-
- m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
- ldb.FLAG_MOD_REPLACE, "pwdHistoryLength")
- msgs.append("Password history length changed!")
-
- if min_pwd_length is not None:
- if min_pwd_length == "default":
- min_pwd_len = 7
- else:
- min_pwd_len = int(min_pwd_length)
-
- if min_pwd_len < 0 or min_pwd_len > 14:
- raise CommandError("Minimum password length must be in the range of 0 to 14!")
-
- m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
- ldb.FLAG_MOD_REPLACE, "minPwdLength")
- msgs.append("Minimum password length changed!")
-
- if min_pwd_age is not None:
- if min_pwd_age == "default":
- min_pwd_age = 1
- else:
- min_pwd_age = int(min_pwd_age)
-
- if min_pwd_age < 0 or min_pwd_age > 998:
- raise CommandError("Minimum password age must be in the range of 0 to 998!")
-
- # days -> ticks
- min_pwd_age_ticks = -int(min_pwd_age * (24 * 60 * 60 * 1e7))
-
- m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age_ticks),
- ldb.FLAG_MOD_REPLACE, "minPwdAge")
- msgs.append("Minimum password age changed!")
-
- if max_pwd_age is not None:
- if max_pwd_age == "default":
- max_pwd_age = 43
- else:
- max_pwd_age = int(max_pwd_age)
-
- if max_pwd_age < 0 or max_pwd_age > 999:
- raise CommandError("Maximum password age must be in the range of 0 to 999!")
-
- # days -> ticks
- max_pwd_age_ticks = -int(max_pwd_age * (24 * 60 * 60 * 1e7))
-
- m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age_ticks),
- ldb.FLAG_MOD_REPLACE, "maxPwdAge")
- msgs.append("Maximum password age changed!")
-
- if max_pwd_age > 0 and min_pwd_age >= max_pwd_age:
- raise CommandError("Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age, min_pwd_age))
-
- samdb.modify(m)
- msgs.append("All changes applied successfully!")
- self.message("\n".join(msgs))
- else:
- raise CommandError("Wrong argument '%s'!" % subcommand)
git.samba.org / kai / samba.git / commitdiff