1 # Samba common functions
3 # Copyright (C) Matthieu Patou <mat@matws.net>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 from samba import dsdb
22 from samba.ndr import ndr_pack
23 from samba.dcerpc import misc
27 def confirm(msg, forced=False, allow_all=False):
28 """confirm an action with the user
30 :param msg: A string to print to the user
31 :param forced: Are the answer forced
34 print("%s [YES]" % msg)
48 mapping['ALL'] = 'ALL'
49 mapping['NONE'] = 'NONE'
50 prompt = '[y/N/all/none]'
53 v = raw_input(msg + ' %s ' % prompt)
57 print("Unknown response '%s'" % v)
60 def normalise_int32(ivalue):
61 '''normalise a ldap integer to signed 32 bit'''
62 if int(ivalue) & 0x80000000 and int(ivalue) > 0:
63 return str(int(ivalue) - 0x100000000)
67 class dsdb_Dn(object):
68 '''a class for binary DN'''
70 def __init__(self, samdb, dnstring, syntax_oid=None):
71 '''create a dsdb_Dn'''
72 if syntax_oid is None:
73 # auto-detect based on string
74 if dnstring.startswith("B:"):
75 syntax_oid = dsdb.DSDB_SYNTAX_BINARY_DN
76 elif dnstring.startswith("S:"):
77 syntax_oid = dsdb.DSDB_SYNTAX_STRING_DN
79 syntax_oid = dsdb.DSDB_SYNTAX_OR_NAME
80 if syntax_oid in [dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_STRING_DN]:
82 colons = dnstring.split(':')
84 raise RuntimeError("Invalid DN %s" % dnstring)
85 prefix_len = 4 + len(colons[1]) + int(colons[1])
86 self.prefix = dnstring[0:prefix_len]
87 self.binary = self.prefix[3+len(colons[1]):-1]
88 self.dnstring = dnstring[prefix_len:]
90 self.dnstring = dnstring
93 self.dn = ldb.Dn(samdb, self.dnstring)
96 return self.prefix + str(self.dn.extended_str(mode=1))
98 def __cmp__(self, other):
99 ''' compare dsdb_Dn values similar to parsed_dn_compare()'''
102 guid1 = dn1.dn.get_extended_component("GUID")
103 guid1b = ndr_pack(misc.GUID(guid1))
104 guid2 = dn2.dn.get_extended_component("GUID")
105 guid2b = ndr_pack(misc.GUID(guid2))
107 v = cmp(guid1, guid2)
110 v = cmp(dn1.binary, dn2.binary)
113 def get_binary_integer(self):
114 '''return binary part of a dsdb_Dn as an integer, or None'''
115 if self.prefix == '':
117 return int(self.binary, 16)
120 '''return binary as a byte string'''
121 return binascii.unhexlify(self.binary)