3 # Unix SMB/CIFS implementation.
4 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
6 # Based on the original in EJS:
7 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 3 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 """Convenience functions for using the SAM."""
28 from samba.idmap import IDmapDB
33 __docformat__ = "restructuredText"
35 class SamDB(samba.Ldb):
36 """The SAM database."""
38 def __init__(self, url=None, lp=None, modules_dir=None, session_info=None,
39 credentials=None, flags=0, options=None):
40 """Opens the Sam Database.
41 For parameter meanings see the super class (samba.Ldb)
46 url = lp.get("sam database")
48 super(SamDB, self).__init__(url=url, lp=lp, modules_dir=modules_dir,
49 session_info=session_info, credentials=credentials, flags=flags,
52 glue.dsdb_set_global_schema(self)
54 def connect(self, url=None, flags=0, options=None):
55 super(SamDB, self).connect(url=self.lp.private_path(url), flags=flags,
58 def enable_account(self, user_dn):
61 :param user_dn: Dn of the account to enable.
63 res = self.search(user_dn, ldb.SCOPE_BASE, None, ["userAccountControl"])
65 userAccountControl = int(res[0]["userAccountControl"][0])
66 if (userAccountControl & 0x2):
67 userAccountControl = userAccountControl & ~0x2 # remove disabled bit
68 if (userAccountControl & 0x20):
69 userAccountControl = userAccountControl & ~0x20 # remove 'no password required' bit
74 replace: userAccountControl
75 userAccountControl: %u
76 """ % (user_dn, userAccountControl)
79 def force_password_change_at_next_login(self, user_dn):
80 """Force a password change at next login
82 :param user_dn: Dn of the account to force password change on
93 # find the DNs for the domain
94 res = self.search(base="",
96 expression="(defaultNamingContext=*)",
97 attrs=["defaultNamingContext"])
98 assert(len(res) == 1 and res[0]["defaultNamingContext"] is not None)
99 return res[0]["defaultNamingContext"][0]
101 def newuser(self, username, unixname, password, force_password_change_at_next_login=False):
102 """add a new user record.
104 :param username: Name of the new user.
105 :param unixname: Name of the unix user to map to.
106 :param password: Password for the new user
109 self.transaction_start()
111 user_dn = "CN=%s,CN=Users,%s" % (username, self.domain_dn())
114 # the new user record. note the reliance on the samdb module to
115 # fill in a sid, guid etc
118 self.add({"dn": user_dn,
119 "sAMAccountName": username,
120 "userPassword": password,
121 "objectClass": "user"})
123 res = self.search(user_dn, scope=ldb.SCOPE_BASE,
124 expression="objectclass=*",
127 user_sid = self.schema_format_value("objectSid", res[0]["objectSid"][0])
130 idmap = IDmapDB(lp=self.lp)
132 user = pwd.getpwnam(unixname)
133 # setup ID mapping for this UID
135 idmap.setup_name_mapping(user_sid, idmap.TYPE_UID, user[2])
140 if force_password_change_at_next_login:
141 self.force_password_change_at_next_login(user_dn)
143 # modify the userAccountControl to remove the disabled bit
144 self.enable_account(user_dn)
146 self.transaction_cancel()
148 self.transaction_commit()
150 def setpassword(self, filter, password, force_password_change_at_next_login=False):
151 """Set a password on a user record
153 :param filter: LDAP filter to find the user (eg samccountname=name)
154 :param password: Password for the user
157 self.transaction_start()
159 res = self.search(base=self.domain_dn(), scope=ldb.SCOPE_SUBTREE,
160 expression=filter, attrs=[])
161 assert(len(res) == 1)
167 glue.samdb_set_password(samdb=self, user_dn=str(user_dn),
168 dom_dn=self.domain_dn(), mod=mod, new_password=password,
173 if force_password_change_at_next_login:
174 self.force_password_change_at_next_login(user_dn)
176 # modify the userAccountControl to remove the disabled bit
177 self.enable_account(user_dn)
179 self.transaction_cancel()
181 self.transaction_commit()
183 def setexpiry(self, user, expiry_seconds, noexpiry):
184 """Set the account expiry for a user
186 :param expiry_seconds: expiry time from now in seconds
187 :param noexpiry: if set, then don't expire password
189 self.transaction_start()
191 res = self.search(base=self.domain_dn(), scope=ldb.SCOPE_SUBTREE,
192 expression=("(samAccountName=%s)" % user),
193 attrs=["userAccountControl", "accountExpires"])
195 userAccountControl = int(res[0]["userAccountControl"][0])
196 accountExpires = int(res[0]["accountExpires"][0])
198 userAccountControl = userAccountControl | 0x10000
201 userAccountControl = userAccountControl & ~0x10000
202 accountExpires = glue.unix2nttime(expiry_seconds + int(time.time()))
207 replace: userAccountControl
208 userAccountControl: %u
209 replace: accountExpires
211 """ % (res[0].dn, userAccountControl, accountExpires)
212 # now change the database
213 self.modify_ldif(mod)
215 self.transaction_cancel()
217 self.transaction_commit();