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authorMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-08-05 23:18:47 +0200
committerMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-08-07 17:21:58 +0200
commitaa6dc21fa304943ad70afd14f84cea720f3f2d27 (patch)
treeeaed3174cc4abe5c2331fbad26aed5b29aa5ee4b /source4/setup/pwsettings
parentaef96af916eab4c29656d3ff6426618f331b7400 (diff)
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s4: Add a new script for setting password properties for a domain in a easier way
Diffstat (limited to 'source4/setup/pwsettings')
-rwxr-xr-xsource4/setup/pwsettings202
1 files changed, 202 insertions, 0 deletions
diff --git a/source4/setup/pwsettings b/source4/setup/pwsettings
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+#!/usr/bin/python
+#
+# Sets password settings (Password complexity, history length,
+# minimum password length, the minimum and maximum password age) on a
+# Samba4 server
+#
+# Copyright Jelmer Vernooij 2008
+# Copyright Matthias Dieter Wallnoefer 2009
+# Released under the GNU GPL version 3 or later
+#
+import os, sys
+
+sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), "../bin/python"))
+
+import samba.getopt as options
+import optparse
+import pwd
+import ldb
+
+from samba.auth import system_session
+from samba.samdb import SamDB
+from samba.dcerpc.samr import DOMAIN_PASSWORD_COMPLEX
+
+parser = optparse.OptionParser("pwsettings (show | set <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("--complexity",
+ help="The password complexity (on | off). Default is 'on'", type=str)
+parser.add_option("--history-length",
+ help="The password history length (<integer> | default)", type=str)
+parser.add_option("--min-pwd-length",
+ help="The minimum password length (<integer> | default)", type=str)
+parser.add_option("--min-pwd-age",
+ help="The minimum password age (<integer in days> | default)", type=str)
+parser.add_option("--max-pwd-age",
+ help="The maximum password age (<integer in days> | default)", type=str)
+
+opts, args = parser.parse_args()
+
+#
+# print a message if quiet is not set
+#
+def message(text):
+ if not opts.quiet:
+ print text
+
+if len(args) == 0:
+ parser.print_usage()
+ sys.exit(1)
+
+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)
+
+res = samdb.search("", scope=ldb.SCOPE_BASE,
+ expression="(defaultNamingContext=*)",
+ attrs=["defaultNamingContext"])
+assert(len(res) == 1 and res[0]["defaultNamingContext"] is not None)
+domain_dn = res[0]["defaultNamingContext"][0]
+
+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])
+ min_pwd_len = int(res[0]["minPwdLength"][0])
+ min_pwd_age = int(res[0]["minPwdAge"][0])
+ max_pwd_age = int(res[0]["maxPwdAge"][0])
+except:
+ if args[0] == "show":
+ print "ERROR: Password informations missing in your AD domain object!"
+ print "So no settings can be displayed!"
+ sys.exit(1)
+ else:
+ if pwd_props is None:
+ pwd_props = 0
+ print "WARNING: Assuming previous password properties 0 (used for password complexity setting)"
+
+if args[0] == "show":
+ print "Password informations for domain '" + domain_dn + "'"
+ print ""
+ if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
+ print "Password complexity: on"
+ else:
+ print "Password complexity: off"
+ print "Password history length: " + str(pwd_hist_len)
+ print "Minimum password length: " + str(min_pwd_len)
+ print "Minimum password age: " + str(min_pwd_age)
+ print "Maximum password age: " + str(max_pwd_age)
+
+elif args[0] == "set":
+ if opts.complexity is not None:
+ if opts.complexity == "on":
+ pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["pwdProperties"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "pwdProperties")
+ samdb.modify(m)
+ m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
+ ldb.CHANGETYPE_ADD, "pwdProperties")
+ samdb.modify(m)
+ print "Password complexity activated!"
+ elif opts.complexity == "off":
+ pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["pwdProperties"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "pwdProperties")
+ samdb.modify(m)
+ m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
+ ldb.CHANGETYPE_ADD, "pwdProperties")
+ samdb.modify(m)
+ print "Password complexity deactivated!"
+ else:
+ print "ERROR: Wrong argument '" + opts.complexity + "'!"
+ sys.exit(1)
+
+ if opts.history_length is not None:
+ if opts.history_length == "default":
+ pwd_hist_len = 24
+ else:
+ pwd_hist_len = int(opts.history_length)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["pwdHistoryLength"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "pwdHistoryLength")
+ samdb.modify(m)
+ m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
+ ldb.CHANGETYPE_ADD, "pwdHistoryLength")
+ samdb.modify(m)
+ print "Password history length changed!"
+
+ if opts.min_pwd_length is not None:
+ if opts.min_pwd_length == "default":
+ min_pwd_len = 7
+ else:
+ min_pwd_len = int(opts.min_pwd_length)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["minPwdLength"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "minPwdLength")
+ samdb.modify(m)
+ m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
+ ldb.CHANGETYPE_ADD, "minPwdLength")
+ samdb.modify(m)
+ print "Minimum password length changed!"
+
+ if opts.min_pwd_age is not None:
+ if opts.min_pwd_age == "default":
+ min_pwd_age = 0
+ else:
+ min_pwd_age = int(opts.min_pwd_age)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["minPwdAge"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "minPwdAge")
+ samdb.modify(m)
+ m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age),
+ ldb.CHANGETYPE_ADD, "minPwdAge")
+ samdb.modify(m)
+ print "Minimum password age changed!"
+
+ if opts.max_pwd_age is not None:
+ if opts.max_pwd_age == "default":
+ max_pwd_age = -37108517437440
+ else:
+ max_pwd_age = int(opts.max_pwd_age)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["maxPwdAge"] = ldb.MessageElement([],
+ ldb.CHANGETYPE_DELETE, "maxPwdAge")
+ samdb.modify(m)
+ m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age),
+ ldb.CHANGETYPE_ADD, "maxPwdAge")
+ samdb.modify(m)
+ print "Maximum password age changed!"
+
+ print "All changes applied successfully!"
+
+else:
+ print "ERROR: Wrong argument '" + args[0] + "'!"
+ sys.exit(1)