--- /dev/null
+#!/usr/bin/env python
+#
+# domain management
+#
+# Copyright Matthias Dieter Wallnoefer 2009
+# Copyright Andrew Kroeger 2009
+# Copyright Jelmer Vernooij 2009
+# Copyright Giampaolo Lauria 2011
+#
+# 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,
+ SuperCommand,
+ Option
+ )
+
+
+class cmd_domain_passwordsettings(Command):
+ """Sets password settings
+
+ Password complexity, history length, minimum password length, the minimum
+ and maximum password age) on a Samba4 server.
+ """
+
+ synopsis = "%prog domain passwordsettings (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)
+
+
+
+class cmd_domain(SuperCommand):
+ """Domain management"""
+
+ subcommands = {}
+ subcommands["passwordsettings"] = cmd_domain_passwordsettings()
git.samba.org / obnox / samba / samba-obnox.git / commitdiff