"""Convenience functions for using the SAM."""
import samba
-import misc
+import glue
import ldb
+from samba.idmap import IDmapDB
+import pwd
+import time
+import base64
+
+__docformat__ = "restructuredText"
class SamDB(samba.Ldb):
"""The SAM database."""
+
def __init__(self, url=None, session_info=None, credentials=None,
modules_dir=None, lp=None):
"""Open the Sam Database.
:param url: URL of the database.
"""
+ self.lp = lp
super(SamDB, self).__init__(session_info=session_info, credentials=credentials,
modules_dir=modules_dir, lp=lp)
- assert misc.dsdb_set_global_schema(self) == 0
+ glue.dsdb_set_global_schema(self)
if url:
self.connect(url)
+ else:
+ self.connect(lp.get("sam database"))
+
+ def connect(self, url):
+ super(SamDB, self).connect(self.lp.private_path(url))
def add_foreign(self, domaindn, sid, desc):
"""Add a foreign security principle."""
objectClass: top
objectClass: foreignSecurityPrincipal
description: %s
- """ % (sid, domaindn, desc)
+""" % (sid, domaindn, desc)
# deliberately ignore errors from this, as the records may
# already exist
for msg in self.parse_ldif(add):
self.add(msg[1])
- def setup_name_mapping(self, domaindn, sid, unixname):
- """Setup a mapping between a sam name and a unix name.
-
- :param domaindn: DN of the domain.
- :param sid: SID of the NT-side of the mapping.
- :param unixname: Unix name to map to.
- """
- res = self.search(domaindn, ldb.SCOPE_SUBTREE,
- "objectSid=%s" % sid, ["dn"])
- assert len(res) == 1, "Failed to find record for objectSid %s" % sid
-
- mod = """
-dn: %s
-changetype: modify
-replace: unixName
-unixName: %s
-""" % (res[0].dn, unixname)
- self.modify(self.parse_ldif(mod).next()[1])
+ def add_stock_foreign_sids(self):
+ domaindn = self.domain_dn()
+ self.add_foreign(domaindn, "S-1-5-7", "Anonymous")
+ self.add_foreign(domaindn, "S-1-1-0", "World")
+ self.add_foreign(domaindn, "S-1-5-2", "Network")
+ self.add_foreign(domaindn, "S-1-5-18", "System")
+ self.add_foreign(domaindn, "S-1-5-11", "Authenticated Users")
def enable_account(self, user_dn):
"""Enable an account.
:param user_dn: Dn of the account to enable.
"""
- res = self.search(user_dn, SCOPE_ONELEVEL, None, ["userAccountControl"])
+ res = self.search(user_dn, ldb.SCOPE_BASE, None, ["userAccountControl"])
assert len(res) == 1
- userAccountControl = res[0].userAccountControl
- userAccountControl = userAccountControl - 2 # remove disabled bit
+ userAccountControl = res[0]["userAccountControl"][0]
+ userAccountControl = int(userAccountControl)
+ if (userAccountControl & 0x2):
+ userAccountControl = userAccountControl & ~0x2 # remove disabled bit
+ if (userAccountControl & 0x20):
+ userAccountControl = userAccountControl & ~0x20 # remove 'no password required' bit
+
mod = """
dn: %s
changetype: modify
""" % (user_dn, userAccountControl)
self.modify_ldif(mod)
+ def domain_dn(self):
+ # find the DNs for the domain and the domain users group
+ res = self.search("", scope=ldb.SCOPE_BASE,
+ expression="(defaultNamingContext=*)",
+ attrs=["defaultNamingContext"])
+ assert(len(res) == 1 and res[0]["defaultNamingContext"] is not None)
+ return res[0]["defaultNamingContext"][0]
+
def newuser(self, username, unixname, password):
"""add a new user record.
"""
# connect to the sam
self.transaction_start()
+ try:
+ domain_dn = self.domain_dn()
+ assert(domain_dn is not None)
+ user_dn = "CN=%s,CN=Users,%s" % (username, domain_dn)
+
+ #
+ # the new user record. note the reliance on the samdb module to
+ # fill in a sid, guid etc
+ #
+ # now the real work
+ self.add({"dn": user_dn,
+ "sAMAccountName": username,
+ "userPassword": password,
+ "objectClass": "user"})
+
+ res = self.search(user_dn, scope=ldb.SCOPE_BASE,
+ expression="objectclass=*",
+ attrs=["objectSid"])
+ assert len(res) == 1
+ user_sid = self.schema_format_value("objectSid", res[0]["objectSid"][0])
+
+ try:
+ idmap = IDmapDB(lp=self.lp)
+
+ user = pwd.getpwnam(unixname)
+ # setup ID mapping for this UID
+
+ idmap.setup_name_mapping(user_sid, idmap.TYPE_UID, user[2])
+
+ except KeyError:
+ pass
+
+ # modify the userAccountControl to remove the disabled bit
+ self.enable_account(user_dn)
+ except:
+ self.transaction_cancel()
+ raise
+ self.transaction_commit()
- # find the DNs for the domain and the domain users group
- res = self.search("", SCOPE_BASE, "defaultNamingContext=*",
- ["defaultNamingContext"])
- assert(len(res) == 1 and res[0].defaultNamingContext is not None)
- domain_dn = res[0]["defaultNamingContext"][0]
- assert(domain_dn is not None)
- dom_users = self.searchone(basedn=domain_dn, attribute="dn", expression="name=Domain Users")
- assert(dom_users is not None)
-
- user_dn = "CN=%s,CN=Users,%s" % (username, domain_dn)
-
- #
- # the new user record. note the reliance on the samdb module to fill
- # in a sid, guid etc
- #
- # now the real work
- self.add({"dn": user_dn,
- "sAMAccountName": username,
- "unixName": unixname,
- "sambaPassword": password,
- "objectClass": "user"})
-
- # add the user to the users group as well
- modgroup = """
+ def setpassword(self, filter, password):
+ """Set a password on a user record
+
+ :param filter: LDAP filter to find the user (eg samccountname=name)
+ :param password: Password for the user
+ """
+ # connect to the sam
+ self.transaction_start()
+ try:
+ # find the DNs for the domain
+ res = self.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]
+ assert(domain_dn is not None)
+
+ res = self.search(domain_dn, scope=ldb.SCOPE_SUBTREE,
+ expression=filter,
+ attrs=[])
+ assert(len(res) == 1)
+ user_dn = res[0].dn
+
+ setpw = """
dn: %s
changetype: modify
-add: member
-member: %s
-""" % (dom_users, user_dn)
-
+replace: userPassword
+userPassword:: %s
+""" % (user_dn, base64.b64encode(password))
- self.modify(modgroup)
+ self.modify_ldif(setpw)
- # modify the userAccountControl to remove the disabled bit
- enable_account(self, user_dn)
+ # modify the userAccountControl to remove the disabled bit
+ self.enable_account(user_dn)
+ except:
+ self.transaction_cancel()
+ raise
self.transaction_commit()
def set_domain_sid(self, sid):
:param sid: The new domain sid to use.
"""
- misc.samdb_set_domain_sid(self, sid)
+ glue.samdb_set_domain_sid(self, sid)
def attach_schema_from_ldif(self, pf, df):
- misc.dsdb_attach_schema_from_ldif_file(self, pf, df)
+ glue.dsdb_attach_schema_from_ldif(self, pf, df)
+
+ def convert_schema_to_openldap(self, target, mapping):
+ return glue.dsdb_convert_schema_to_openldap(self, target, mapping)
def set_invocation_id(self, invocation_id):
- """Set the invocation id for this SamDB handle.
-
- :param invocation_id: GUID of the invocation id.
- """
- misc.dsdb_set_ntds_invocation_id(self, invocation_id)
+ """Set the invocation id for this SamDB handle.
+
+ :param invocation_id: GUID of the invocation id.
+ """
+ glue.dsdb_set_ntds_invocation_id(self, invocation_id)
+
+ def setexpiry(self, user, expiry_seconds, noexpiry):
+ """Set the password expiry for a user
+
+ :param expiry_seconds: expiry time from now in seconds
+ :param noexpiry: if set, then don't expire password
+ """
+ self.transaction_start()
+ try:
+ res = self.search(base=self.domain_dn(), scope=ldb.SCOPE_SUBTREE,
+ expression=("(samAccountName=%s)" % user),
+ attrs=["userAccountControl", "accountExpires"])
+ assert len(res) == 1
+ userAccountControl = int(res[0]["userAccountControl"][0])
+ accountExpires = int(res[0]["accountExpires"][0])
+ if noexpiry:
+ userAccountControl = userAccountControl | 0x10000
+ accountExpires = 0
+ else:
+ userAccountControl = userAccountControl & ~0x10000
+ accountExpires = glue.unix2nttime(expiry_seconds + int(time.time()))
+
+ mod = """
+dn: %s
+changetype: modify
+replace: userAccountControl
+userAccountControl: %u
+replace: accountExpires
+accountExpires: %u
+""" % (res[0].dn, userAccountControl, accountExpires)
+ # now change the database
+ self.modify_ldif(mod)
+ except:
+ self.transaction_cancel()
+ raise
+ self.transaction_commit();
git.samba.org / ira / wip.git / blobdiff