netcmd: domain: move paswordsettings command to domain/passwordsettings.py
authorRob van der Linde <rob@catalyst.net.nz>
Fri, 31 Mar 2023 00:18:50 +0000 (13:18 +1300)
committerAndrew Bartlett <abartlet@samba.org>
Fri, 31 Mar 2023 07:25:32 +0000 (07:25 +0000)
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
python/samba/netcmd/domain/__init__.py
python/samba/netcmd/domain/passwordsettings.py [new file with mode: 0644]

index 1662400c44c14d4412dc2f62bd707d677aa65d41..7cae91fc76adf4a72845ae937945f744c7073c7f 100644 (file)
@@ -44,7 +44,6 @@ from samba.dcerpc import lsa
 from samba.dcerpc import netlogon
 from samba.dcerpc import security
 from samba.dcerpc import nbt
-from samba.dcerpc.samr import DOMAIN_PASSWORD_COMPLEX, DOMAIN_PASSWORD_STORE_CLEARTEXT
 from samba.netcmd import (
     Command,
     CommandError,
@@ -52,9 +51,6 @@ from samba.netcmd import (
     Option
 )
 from samba.netcmd.fsmo import get_fsmo_roleowner
-from samba.netcmd.common import (NEVER_TIMESTAMP,
-                                 timestamp_to_mins,
-                                 timestamp_to_days)
 from samba import string_to_byte_array
 from samba.auth_util import system_session_unix
 from samba import is_ad_dc_built
@@ -89,8 +85,6 @@ from samba.provision.common import (
     FILL_DRS
 )
 
-from samba.netcmd.pso import cmd_domain_passwordsettings_pso
-
 from samba.trust_utils import CreateTrustedDomainRelax
 
 from .backup import cmd_domain_backup
@@ -105,6 +99,7 @@ from .join import cmd_domain_join
 from .keytab import cmd_domain_export_keytab
 from .leave import cmd_domain_leave
 from .level import cmd_domain_level
+from .passwordsettings import cmd_domain_passwordsettings
 
 
 class cmd_domain_provision(Command):
@@ -467,288 +462,6 @@ class cmd_domain_provision(Command):
             return None
 
 
-class cmd_domain_passwordsettings_show(Command):
-    """Display current password settings for the domain."""
-
-    synopsis = "%prog [options]"
-
-    takes_optiongroups = {
-        "sambaopts": options.SambaOptions,
-        "versionopts": options.VersionOptions,
-        "credopts": options.CredentialsOptions,
-    }
-
-    takes_options = [
-        Option("-H", "--URL", help="LDB URL for database or target server", type=str,
-               metavar="URL", dest="H"),
-          ]
-
-    def run(self, H=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", "lockoutDuration", "lockoutThreshold",
-                                  "lockOutObservationWindow"])
-        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 = timestamp_to_days(res[0]["minPwdAge"][0])
-            cur_max_pwd_age = timestamp_to_days(res[0]["maxPwdAge"][0])
-
-            cur_account_lockout_threshold = int(res[0]["lockoutThreshold"][0])
-
-            # ticks -> mins
-            cur_account_lockout_duration = timestamp_to_mins(res[0]["lockoutDuration"][0])
-            cur_reset_account_lockout_after = timestamp_to_mins(res[0]["lockOutObservationWindow"][0])
-        except Exception as e:
-            raise CommandError("Could not retrieve password properties!", e)
-
-        self.message("Password information 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)
-        self.message("Account lockout duration (mins): %d" % cur_account_lockout_duration)
-        self.message("Account lockout threshold (attempts): %d" % cur_account_lockout_threshold)
-        self.message("Reset account lockout after (mins): %d" % cur_reset_account_lockout_after)
-
-
-class cmd_domain_passwordsettings_set(Command):
-    """Set password settings.
-
-    Password complexity, password lockout policy, history length,
-    minimum password length, the minimum and maximum password age) on
-    a Samba AD DC server.
-
-    Use against a Windows DC is possible, but group policy will override it.
-    """
-
-    synopsis = "%prog <options> [options]"
-
-    takes_optiongroups = {
-        "sambaopts": options.SambaOptions,
-        "versionopts": options.VersionOptions,
-        "credopts": options.CredentialsOptions,
-    }
-
-    takes_options = [
-        Option("-H", "--URL", help="LDB URL for database or target server", type=str,
-               metavar="URL", dest="H"),
-        Option("-q", "--quiet", help="Be quiet", action="store_true"),  # unused
-        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),
-        Option("--account-lockout-duration",
-               help="The length of time an account is locked out after exceeding the limit on bad password attempts (<integer in mins> | default).  Default is 30 mins.", type=str),
-        Option("--account-lockout-threshold",
-               help="The number of bad password attempts allowed before locking out the account (<integer> | default).  Default is 0 (never lock out).", type=str),
-        Option("--reset-account-lockout-after",
-               help="After this time is elapsed, the recorded number of attempts restarts from zero (<integer> | default).  Default is 30.", type=str),
-    ]
-
-    def run(self, H=None, min_pwd_age=None, max_pwd_age=None,
-            quiet=False, complexity=None, store_plaintext=None, history_length=None,
-            min_pwd_length=None, account_lockout_duration=None, account_lockout_threshold=None,
-            reset_account_lockout_after=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()
-        msgs = []
-        m = ldb.Message()
-        m.dn = ldb.Dn(samdb, domain_dn)
-        pwd_props = int(samdb.get_pwdProperties())
-
-        # get the current password age settings
-        max_pwd_age_ticks = samdb.get_maxPwdAge()
-        min_pwd_age_ticks = samdb.get_minPwdAge()
-
-        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
-            if max_pwd_age == 0:
-                max_pwd_age_ticks = NEVER_TIMESTAMP
-            else:
-                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 account_lockout_duration is not None:
-            if account_lockout_duration == "default":
-                account_lockout_duration = 30
-            else:
-                account_lockout_duration = int(account_lockout_duration)
-
-            if account_lockout_duration < 0 or account_lockout_duration > 99999:
-                raise CommandError("Account lockout duration "
-                                   "must be in the range of 0 to 99999!")
-
-            # minutes -> ticks
-            if account_lockout_duration == 0:
-                account_lockout_duration_ticks = NEVER_TIMESTAMP
-            else:
-                account_lockout_duration_ticks = -int(account_lockout_duration * (60 * 1e7))
-
-            m["lockoutDuration"] = ldb.MessageElement(str(account_lockout_duration_ticks),
-                                                      ldb.FLAG_MOD_REPLACE, "lockoutDuration")
-            msgs.append("Account lockout duration changed!")
-
-        if account_lockout_threshold is not None:
-            if account_lockout_threshold == "default":
-                account_lockout_threshold = 0
-            else:
-                account_lockout_threshold = int(account_lockout_threshold)
-
-            m["lockoutThreshold"] = ldb.MessageElement(str(account_lockout_threshold),
-                                                       ldb.FLAG_MOD_REPLACE, "lockoutThreshold")
-            msgs.append("Account lockout threshold changed!")
-
-        if reset_account_lockout_after is not None:
-            if reset_account_lockout_after == "default":
-                reset_account_lockout_after = 30
-            else:
-                reset_account_lockout_after = int(reset_account_lockout_after)
-
-            if reset_account_lockout_after < 0 or reset_account_lockout_after > 99999:
-                raise CommandError("Maximum password age must be in the range of 0 to 99999!")
-
-            # minutes -> ticks
-            if reset_account_lockout_after == 0:
-                reset_account_lockout_after_ticks = NEVER_TIMESTAMP
-            else:
-                reset_account_lockout_after_ticks = -int(reset_account_lockout_after * (60 * 1e7))
-
-            m["lockOutObservationWindow"] = ldb.MessageElement(str(reset_account_lockout_after_ticks),
-                                                               ldb.FLAG_MOD_REPLACE, "lockOutObservationWindow")
-            msgs.append("Duration to reset account lockout after changed!")
-
-        if max_pwd_age or min_pwd_age:
-            # If we're setting either min or max password, make sure the max is
-            # still greater overall. As either setting could be None, we use the
-            # ticks here (which are always set) and work backwards.
-            max_pwd_age = timestamp_to_days(max_pwd_age_ticks)
-            min_pwd_age = timestamp_to_days(min_pwd_age_ticks)
-            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))
-
-        if len(m) == 0:
-            raise CommandError("You must specify at least one option to set. Try --help")
-        samdb.modify(m)
-        msgs.append("All changes applied successfully!")
-        self.message("\n".join(msgs))
-
-
-class cmd_domain_passwordsettings(SuperCommand):
-    """Manage password policy settings."""
-
-    subcommands = {}
-    subcommands["pso"] = cmd_domain_passwordsettings_pso()
-    subcommands["show"] = cmd_domain_passwordsettings_show()
-    subcommands["set"] = cmd_domain_passwordsettings_set()
-
-
 class cmd_domain_samba3upgrade(cmd_domain_classicupgrade):
     __doc__ = cmd_domain_classicupgrade.__doc__
 
diff --git a/python/samba/netcmd/domain/passwordsettings.py b/python/samba/netcmd/domain/passwordsettings.py
new file mode 100644 (file)
index 0000000..d0cf47b
--- /dev/null
@@ -0,0 +1,316 @@
+# domain management - domain passwordsettings
+#
+# Copyright Matthias Dieter Wallnoefer 2009
+# Copyright Andrew Kroeger 2009
+# Copyright Jelmer Vernooij 2007-2012
+# Copyright Giampaolo Lauria 2011
+# Copyright Matthieu Patou <mat@matws.net> 2011
+# Copyright Andrew Bartlett 2008-2015
+# Copyright Stefan Metzmacher 2012
+#
+# 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 ldb
+import samba.getopt as options
+from samba.auth import system_session
+from samba.dcerpc.samr import (DOMAIN_PASSWORD_COMPLEX,
+                               DOMAIN_PASSWORD_STORE_CLEARTEXT)
+from samba.netcmd import Command, CommandError, Option, SuperCommand
+from samba.netcmd.common import (NEVER_TIMESTAMP, timestamp_to_days,
+                                 timestamp_to_mins)
+from samba.netcmd.pso import cmd_domain_passwordsettings_pso
+from samba.samdb import SamDB
+
+
+class cmd_domain_passwordsettings_show(Command):
+    """Display current password settings for the domain."""
+
+    synopsis = "%prog [options]"
+
+    takes_optiongroups = {
+        "sambaopts": options.SambaOptions,
+        "versionopts": options.VersionOptions,
+        "credopts": options.CredentialsOptions,
+    }
+
+    takes_options = [
+        Option("-H", "--URL", help="LDB URL for database or target server", type=str,
+               metavar="URL", dest="H"),
+          ]
+
+    def run(self, H=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", "lockoutDuration", "lockoutThreshold",
+                                  "lockOutObservationWindow"])
+        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 = timestamp_to_days(res[0]["minPwdAge"][0])
+            cur_max_pwd_age = timestamp_to_days(res[0]["maxPwdAge"][0])
+
+            cur_account_lockout_threshold = int(res[0]["lockoutThreshold"][0])
+
+            # ticks -> mins
+            cur_account_lockout_duration = timestamp_to_mins(res[0]["lockoutDuration"][0])
+            cur_reset_account_lockout_after = timestamp_to_mins(res[0]["lockOutObservationWindow"][0])
+        except Exception as e:
+            raise CommandError("Could not retrieve password properties!", e)
+
+        self.message("Password information 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)
+        self.message("Account lockout duration (mins): %d" % cur_account_lockout_duration)
+        self.message("Account lockout threshold (attempts): %d" % cur_account_lockout_threshold)
+        self.message("Reset account lockout after (mins): %d" % cur_reset_account_lockout_after)
+
+
+class cmd_domain_passwordsettings_set(Command):
+    """Set password settings.
+
+    Password complexity, password lockout policy, history length,
+    minimum password length, the minimum and maximum password age) on
+    a Samba AD DC server.
+
+    Use against a Windows DC is possible, but group policy will override it.
+    """
+
+    synopsis = "%prog <options> [options]"
+
+    takes_optiongroups = {
+        "sambaopts": options.SambaOptions,
+        "versionopts": options.VersionOptions,
+        "credopts": options.CredentialsOptions,
+    }
+
+    takes_options = [
+        Option("-H", "--URL", help="LDB URL for database or target server", type=str,
+               metavar="URL", dest="H"),
+        Option("-q", "--quiet", help="Be quiet", action="store_true"),  # unused
+        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),
+        Option("--account-lockout-duration",
+               help="The length of time an account is locked out after exceeding the limit on bad password attempts (<integer in mins> | default).  Default is 30 mins.", type=str),
+        Option("--account-lockout-threshold",
+               help="The number of bad password attempts allowed before locking out the account (<integer> | default).  Default is 0 (never lock out).", type=str),
+        Option("--reset-account-lockout-after",
+               help="After this time is elapsed, the recorded number of attempts restarts from zero (<integer> | default).  Default is 30.", type=str),
+    ]
+
+    def run(self, H=None, min_pwd_age=None, max_pwd_age=None,
+            quiet=False, complexity=None, store_plaintext=None, history_length=None,
+            min_pwd_length=None, account_lockout_duration=None, account_lockout_threshold=None,
+            reset_account_lockout_after=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()
+        msgs = []
+        m = ldb.Message()
+        m.dn = ldb.Dn(samdb, domain_dn)
+        pwd_props = int(samdb.get_pwdProperties())
+
+        # get the current password age settings
+        max_pwd_age_ticks = samdb.get_maxPwdAge()
+        min_pwd_age_ticks = samdb.get_minPwdAge()
+
+        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
+            if max_pwd_age == 0:
+                max_pwd_age_ticks = NEVER_TIMESTAMP
+            else:
+                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 account_lockout_duration is not None:
+            if account_lockout_duration == "default":
+                account_lockout_duration = 30
+            else:
+                account_lockout_duration = int(account_lockout_duration)
+
+            if account_lockout_duration < 0 or account_lockout_duration > 99999:
+                raise CommandError("Account lockout duration "
+                                   "must be in the range of 0 to 99999!")
+
+            # minutes -> ticks
+            if account_lockout_duration == 0:
+                account_lockout_duration_ticks = NEVER_TIMESTAMP
+            else:
+                account_lockout_duration_ticks = -int(account_lockout_duration * (60 * 1e7))
+
+            m["lockoutDuration"] = ldb.MessageElement(str(account_lockout_duration_ticks),
+                                                      ldb.FLAG_MOD_REPLACE, "lockoutDuration")
+            msgs.append("Account lockout duration changed!")
+
+        if account_lockout_threshold is not None:
+            if account_lockout_threshold == "default":
+                account_lockout_threshold = 0
+            else:
+                account_lockout_threshold = int(account_lockout_threshold)
+
+            m["lockoutThreshold"] = ldb.MessageElement(str(account_lockout_threshold),
+                                                       ldb.FLAG_MOD_REPLACE, "lockoutThreshold")
+            msgs.append("Account lockout threshold changed!")
+
+        if reset_account_lockout_after is not None:
+            if reset_account_lockout_after == "default":
+                reset_account_lockout_after = 30
+            else:
+                reset_account_lockout_after = int(reset_account_lockout_after)
+
+            if reset_account_lockout_after < 0 or reset_account_lockout_after > 99999:
+                raise CommandError("Maximum password age must be in the range of 0 to 99999!")
+
+            # minutes -> ticks
+            if reset_account_lockout_after == 0:
+                reset_account_lockout_after_ticks = NEVER_TIMESTAMP
+            else:
+                reset_account_lockout_after_ticks = -int(reset_account_lockout_after * (60 * 1e7))
+
+            m["lockOutObservationWindow"] = ldb.MessageElement(str(reset_account_lockout_after_ticks),
+                                                               ldb.FLAG_MOD_REPLACE, "lockOutObservationWindow")
+            msgs.append("Duration to reset account lockout after changed!")
+
+        if max_pwd_age or min_pwd_age:
+            # If we're setting either min or max password, make sure the max is
+            # still greater overall. As either setting could be None, we use the
+            # ticks here (which are always set) and work backwards.
+            max_pwd_age = timestamp_to_days(max_pwd_age_ticks)
+            min_pwd_age = timestamp_to_days(min_pwd_age_ticks)
+            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))
+
+        if len(m) == 0:
+            raise CommandError("You must specify at least one option to set. Try --help")
+        samdb.modify(m)
+        msgs.append("All changes applied successfully!")
+        self.message("\n".join(msgs))
+
+
+class cmd_domain_passwordsettings(SuperCommand):
+    """Manage password policy settings."""
+
+    subcommands = {}
+    subcommands["pso"] = cmd_domain_passwordsettings_pso()
+    subcommands["show"] = cmd_domain_passwordsettings_show()
+    subcommands["set"] = cmd_domain_passwordsettings_set()