3 # Unix SMB/CIFS implementation.
4 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
5 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 def _in_source_tree():
24 """Check whether the script is being run from the source dir. """
25 return os.path.exists("%s/../../../samba4-skip" % os.path.dirname(__file__))
28 # When running, in-tree, make sure bin/python is in the PYTHONPATH
31 srcdir = "%s/../../.." % os.path.dirname(__file__)
32 sys.path.append("%s/bin/python" % srcdir)
33 default_ldb_modules_dir = "%s/bin/modules/ldb" % srcdir
41 """Simple Samba-specific LDB subclass that takes care
42 of setting up the modules dir, credentials pointers, etc.
44 Please note that this is intended to be for all Samba LDB files,
45 not necessarily the Sam database. For Sam-specific helper
46 functions see samdb.py.
48 def __init__(self, url=None, session_info=None, credentials=None,
49 modules_dir=None, lp=None):
50 """Open a Samba Ldb file.
52 :param url: Optional LDB URL to open
53 :param session_info: Optional session information
54 :param credentials: Optional credentials, defaults to anonymous.
55 :param modules_dir: Modules directory, if not the default.
56 :param lp: Loadparm object, optional.
58 This is different from a regular Ldb file in that the Samba-specific
59 modules-dir is used by default and that credentials and session_info
60 can be passed through (required by some modules).
62 super(Ldb, self).__init__()
64 if modules_dir is not None:
65 self.set_modules_dir(modules_dir)
66 elif default_ldb_modules_dir is not None:
67 self.set_modules_dir(default_ldb_modules_dir)
69 if credentials is not None:
70 self.set_credentials(self, credentials)
72 if session_info is not None:
73 self.set_session_info(self, session_info)
76 self.set_loadparm(self, lp)
81 set_credentials = misc.ldb_set_credentials
82 set_session_info = misc.ldb_set_session_info
83 set_loadparm = misc.ldb_set_loadparm
85 def searchone(self, basedn, expression, attribute):
86 """Search for one attribute as a string."""
87 res = self.search(basedn, SCOPE_SUBTREE, expression, [attribute])
88 if len(res) != 1 or res[0][attribute] is None:
90 return res[0][attribute]
93 """Erase an ldb, removing all records."""
95 for attr in ["@INDEXLIST", "@ATTRIBUTES", "@SUBCLASSES", "@MODULES",
96 "@OPTIONS", "@PARTITION", "@KLUDGEACL"]:
98 self.delete(ldb.Dn(self, attr))
99 except ldb.LdbError, (LDB_ERR_NO_SUCH_OBJECT, _):
100 # Ignore missing dn errors
103 basedn = ldb.Dn(self, "")
105 for msg in self.search(basedn, ldb.SCOPE_SUBTREE,
106 "(&(|(objectclass=*)(dn=*))(!(dn=@BASEINFO)))",
110 res = self.search(basedn, ldb.SCOPE_SUBTREE, "(&(|(objectclass=*)(dn=*))(!(dn=@BASEINFO)))", ["dn"])
114 def substitute_var(text, values):
115 """substitute strings of the form ${NAME} in str, replacing
116 with substitutions from subobj.
118 :param text: Text in which to subsitute.
119 :param values: Dictionary with keys and values.
122 for (name, value) in values.items():
123 text = text.replace("${%s}" % name, value)
125 assert "${" not in text, text
130 def valid_netbios_name(name):
131 """Check whether a name is valid as a NetBIOS name. """
132 # FIXME: There are probably more constraints here.
133 # crh has a paragraph on this in his book (1.4.1.1)
138 version = misc.version