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https://github.com/samba-team/samba.git
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bc7c6c15da
Signed-off-by: Lumir Balhar <lbalhar@redhat.com> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
# Samba common functions
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#
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# Copyright (C) Matthieu Patou <mat@matws.net>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import ldb
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from samba import dsdb
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from samba.ndr import ndr_pack
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from samba.dcerpc import misc
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import binascii
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def confirm(msg, forced=False, allow_all=False):
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"""confirm an action with the user
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:param msg: A string to print to the user
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:param forced: Are the answer forced
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"""
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if forced:
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print("%s [YES]" % msg)
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return True
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mapping = {
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'Y': True,
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'YES': True,
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'': False,
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'N': False,
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'NO': False,
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}
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prompt = '[y/N]'
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if allow_all:
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mapping['ALL'] = 'ALL'
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mapping['NONE'] = 'NONE'
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prompt = '[y/N/all/none]'
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while True:
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v = raw_input(msg + ' %s ' % prompt)
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v = v.upper()
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if v in mapping:
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return mapping[v]
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print("Unknown response '%s'" % v)
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def normalise_int32(ivalue):
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'''normalise a ldap integer to signed 32 bit'''
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if int(ivalue) & 0x80000000 and int(ivalue) > 0:
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return str(int(ivalue) - 0x100000000)
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return str(ivalue)
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class dsdb_Dn(object):
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'''a class for binary DN'''
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def __init__(self, samdb, dnstring, syntax_oid=None):
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'''create a dsdb_Dn'''
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if syntax_oid is None:
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# auto-detect based on string
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if dnstring.startswith("B:"):
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syntax_oid = dsdb.DSDB_SYNTAX_BINARY_DN
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elif dnstring.startswith("S:"):
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syntax_oid = dsdb.DSDB_SYNTAX_STRING_DN
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else:
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syntax_oid = dsdb.DSDB_SYNTAX_OR_NAME
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if syntax_oid in [dsdb.DSDB_SYNTAX_BINARY_DN, dsdb.DSDB_SYNTAX_STRING_DN]:
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# it is a binary DN
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colons = dnstring.split(':')
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if len(colons) < 4:
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raise RuntimeError("Invalid DN %s" % dnstring)
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prefix_len = 4 + len(colons[1]) + int(colons[1])
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self.prefix = dnstring[0:prefix_len]
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self.binary = self.prefix[3+len(colons[1]):-1]
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self.dnstring = dnstring[prefix_len:]
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else:
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self.dnstring = dnstring
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self.prefix = ''
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self.binary = ''
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self.dn = ldb.Dn(samdb, self.dnstring)
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def __str__(self):
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return self.prefix + str(self.dn.extended_str(mode=1))
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def __cmp__(self, other):
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''' compare dsdb_Dn values similar to parsed_dn_compare()'''
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dn1 = self
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dn2 = other
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guid1 = dn1.dn.get_extended_component("GUID")
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guid1b = ndr_pack(misc.GUID(guid1))
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guid2 = dn2.dn.get_extended_component("GUID")
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guid2b = ndr_pack(misc.GUID(guid2))
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v = cmp(guid1, guid2)
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if v != 0:
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return v
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v = cmp(dn1.binary, dn2.binary)
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return v
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def get_binary_integer(self):
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'''return binary part of a dsdb_Dn as an integer, or None'''
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if self.prefix == '':
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return None
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return int(self.binary, 16)
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def get_bytes(self):
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'''return binary as a byte string'''
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return binascii.unhexlify(self.binary)
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