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#!/usr/bin/env python
#
# Samba common functions
#
# Copyright (C) Matthieu Patou <mat@matws.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import ldb, dsdb
def confirm(msg, forced = False, allow_all=False):
"""confirm an action with the user
:param msg: A string to print to the user
:param forced: Are the answer forced
"""
if forced:
print("%s [YES]" % msg)
return True
mapping = {
'Y': True,
'YES': True,
'': False,
'N': False,
'NO': False,
}
prompt = '[y/N]'
if allow_all:
mapping['ALL'] = 'ALL'
mapping['NONE'] = 'NONE'
prompt = '[y/N/all/none]'
while True:
v = raw_input(msg + ' %s ' % prompt)
v = v.upper()
if v in mapping:
return mapping[v]
print("Unknown response '%s'" % v)
def normalise_int32(ivalue):
'''normalise a ldap integer to signed 32 bit'''
if int(ivalue) & 0x80000000 and int(ivalue) > 0:
return str(int(ivalue) - 0x100000000)
return str(ivalue)
class dsdb_Dn(object):
'''a class for binary DN'''
def __init__(self, samdb, dnstring, syntax_oid=None):
'''create a dsdb_Dn'''
if syntax_oid is None:
# auto-detect based on string
if dnstring.startswith("B:"):
syntax_oid = dsdb.DSDB_SYNTAX_BINARY_DN
elif dnstring.startswith("S:"):
syntax_oid = dsdb.DSDB_SYNTAX_STRING_DN
else:
syntax_oid = dsdb.DSDB_SYNTAX_OR_NAME
if syntax_oid in [ dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_STRING_DN ]:
# it is a binary DN
colons = dnstring.split(':')
if len(colons) < 4:
raise RuntimeError("Invalid DN %s" % dnstring)
prefix_len = 4 + len(colons[1]) + int(colons[1])
self.prefix = dnstring[0:prefix_len]
self.binary = self.prefix[4:-1]
self.dnstring = dnstring[prefix_len:]
else:
self.dnstring = dnstring
self.prefix = ''
self.binary = ''
self.dn = ldb.Dn(samdb, self.dnstring)
def __str__(self):
return self.prefix + str(self.dn.extended_str(mode=1))
def get_binary_integer(self):
'''return binary part of a dsdb_Dn as an integer, or None'''
if self.prefix == '':
return None
return int(self.binary, 16)
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