3 # Sets password settings (Password complexity, history length,
4 # minimum password length, the minimum and maximum password age) on a
7 # Copyright Jelmer Vernooij 2008
8 # Copyright Matthias Dieter Wallnoefer 2009
9 # Copyright Andrew Kroeger 2009
10 # Released under the GNU GPL version 3 or later
14 sys
.path
.insert(0, os
.path
.join(os
.path
.dirname(sys
.argv
[0]), "../bin/python"))
16 import samba
.getopt
as options
21 from samba
.auth
import system_session
22 from samba
.samdb
import SamDB
23 from samba
.dcerpc
.samr
import DOMAIN_PASSWORD_COMPLEX
25 parser
= optparse
.OptionParser("pwsettings (show | set <options>)")
26 sambaopts
= options
.SambaOptions(parser
)
27 parser
.add_option_group(sambaopts
)
28 parser
.add_option_group(options
.VersionOptions(parser
))
29 credopts
= options
.CredentialsOptions(parser
)
30 parser
.add_option_group(credopts
)
31 parser
.add_option("--quiet", help="Be quiet", action
="store_true")
32 parser
.add_option("-H", help="LDB URL for database or target server", type=str)
33 parser
.add_option("--complexity",
34 help="The password complexity (on | off | default). Default is 'on'", type=str)
35 parser
.add_option("--history-length",
36 help="The password history length (<integer> | default). Default is 24.", type=str)
37 parser
.add_option("--min-pwd-length",
38 help="The minimum password length (<integer> | default). Default is 7.", type=str)
39 parser
.add_option("--min-pwd-age",
40 help="The minimum password age (<integer in days> | default). Default is 0.", type=str)
41 parser
.add_option("--max-pwd-age",
42 help="The maximum password age (<integer in days> | default). Default is 43.", type=str)
44 opts
, args
= parser
.parse_args()
47 # print a message if quiet is not set
57 lp
= sambaopts
.get_loadparm()
59 creds
= credopts
.get_credentials(lp
)
61 if opts
.H
is not None:
64 url
= lp
.get("sam database")
66 samdb
= SamDB(url
=url
, session_info
=system_session(),
67 credentials
=creds
, lp
=lp
)
69 domain_dn
= SamDB
.domain_dn(samdb
)
70 res
= samdb
.search(domain_dn
, scope
=ldb
.SCOPE_BASE
,
71 attrs
=["pwdProperties", "pwdHistoryLength", "minPwdLength", "minPwdAge",
75 pwd_props
= int(res
[0]["pwdProperties"][0])
76 pwd_hist_len
= int(res
[0]["pwdHistoryLength"][0])
77 min_pwd_len
= int(res
[0]["minPwdLength"][0])
79 min_pwd_age
= int(abs(int(res
[0]["minPwdAge"][0])) / (1e7
* 60 * 60 * 24))
80 max_pwd_age
= int(abs(int(res
[0]["maxPwdAge"][0])) / (1e7
* 60 * 60 * 24))
82 print "ERROR: Could not retrieve password properties!"
84 print "So no settings can be displayed!"
88 message("Password informations for domain '" + domain_dn
+ "'")
90 if pwd_props
& DOMAIN_PASSWORD_COMPLEX
!= 0:
91 message("Password complexity: on")
93 message("Password complexity: off")
94 message("Password history length: " + str(pwd_hist_len
))
95 message("Minimum password length: " + str(min_pwd_len
))
96 message("Minimum password age (days): " + str(min_pwd_age
))
97 message("Maximum password age (days): " + str(max_pwd_age
))
99 elif args
[0] == "set":
103 m
.dn
= ldb
.Dn(samdb
, domain_dn
)
105 if opts
.complexity
is not None:
106 if opts
.complexity
== "on" or opts
.complexity
== "default":
107 pwd_props
= pwd_props | DOMAIN_PASSWORD_COMPLEX
108 msgs
.append("Password complexity activated!")
109 elif opts
.complexity
== "off":
110 pwd_props
= pwd_props
& (~DOMAIN_PASSWORD_COMPLEX
)
111 msgs
.append("Password complexity deactivated!")
113 print "ERROR: Wrong argument '" + opts
.complexity
+ "'!"
116 m
["pwdProperties"] = ldb
.MessageElement(str(pwd_props
),
117 ldb
.FLAG_MOD_REPLACE
, "pwdProperties")
119 if opts
.history_length
is not None:
120 if opts
.history_length
== "default":
123 pwd_hist_len
= int(opts
.history_length
)
125 if pwd_hist_len
< 0 or pwd_hist_len
> 24:
126 print "ERROR: Password history length must be in the range of 0 to 24!"
129 m
["pwdHistoryLength"] = ldb
.MessageElement(str(pwd_hist_len
),
130 ldb
.FLAG_MOD_REPLACE
, "pwdHistoryLength")
131 msgs
.append("Password history length changed!")
133 if opts
.min_pwd_length
is not None:
134 if opts
.min_pwd_length
== "default":
137 min_pwd_len
= int(opts
.min_pwd_length
)
139 if min_pwd_len
< 0 or min_pwd_len
> 14:
140 print "ERROR: Minimum password length must be in the range of 0 to 14!"
143 m
["minPwdLength"] = ldb
.MessageElement(str(min_pwd_len
),
144 ldb
.FLAG_MOD_REPLACE
, "minPwdLength")
145 msgs
.append("Minimum password length changed!")
147 if opts
.min_pwd_age
is not None:
148 if opts
.min_pwd_age
== "default":
151 min_pwd_age
= int(opts
.min_pwd_age
)
153 if min_pwd_age
< 0 or min_pwd_age
> 998:
154 print "ERROR: Minimum password age must be in the range of 0 to 998!"
158 min_pwd_age_ticks
= -int(min_pwd_age
* (24 * 60 * 60 * 1e7
))
160 m
["minPwdAge"] = ldb
.MessageElement(str(min_pwd_age_ticks
),
161 ldb
.FLAG_MOD_REPLACE
, "minPwdAge")
162 msgs
.append("Minimum password age changed!")
164 if opts
.max_pwd_age
is not None:
165 if opts
.max_pwd_age
== "default":
168 max_pwd_age
= int(opts
.max_pwd_age
)
170 if max_pwd_age
< 0 or max_pwd_age
> 999:
171 print "ERROR: Maximum password age must be in the range of 0 to 999!"
175 max_pwd_age_ticks
= -int(max_pwd_age
* (24 * 60 * 60 * 1e7
))
177 m
["maxPwdAge"] = ldb
.MessageElement(str(max_pwd_age_ticks
),
178 ldb
.FLAG_MOD_REPLACE
, "maxPwdAge")
179 msgs
.append("Maximum password age changed!")
181 if max_pwd_age
> 0 and min_pwd_age
>= max_pwd_age
:
182 print "ERROR: Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age
, min_pwd_age
)
187 msgs
.append("All changes applied successfully!")
189 message("\n".join(msgs
))
191 print "ERROR: Wrong argument '" + args
[0] + "'!"