source4/scripting/python/samba/netcmd/dbcheck.py

   1 #!/usr/bin/env python
   2 #
   3 # Samba4 AD database checker
   4 #
   5 # Copyright (C) Andrew Tridgell 2011
   6 #
   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.
  11 #
  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.
  16 #
  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/>.
  19 #
  20
  21 import ldb, sys
  22 import samba.getopt as options
  23 from samba.auth import system_session
  24 from samba.samdb import SamDB
  25 from samba.netcmd import (
  26     Command,
  27     CommandError,
  28     Option
  29     )
  30 from samba.dbchecker import dbcheck
  31
  32
  33 class cmd_dbcheck(Command):
  34     """check local AD database for errors"""
  35     synopsis = "dbcheck <DN> [options]"
  36
  37     takes_optiongroups = {
  38         "sambaopts": options.SambaOptions,
  39         "versionopts": options.VersionOptions,
  40         "credopts": options.CredentialsOptionsDouble,
  41     }
  42
  43     takes_args = ["DN?"]
  44
  45     takes_options = [
  46         Option("--scope", dest="scope", default="SUB",
  47             help="Pass search scope that builds DN list. Options: SUB, ONE, BASE"),
  48         Option("--fix", dest="fix", default=False, action='store_true',
  49                help='Fix any errors found'),
  50         Option("--yes", dest="yes", default=False, action='store_true',
  51                help="don't confirm changes, just do them all as a single transaction"),
  52         Option("--cross-ncs", dest="cross_ncs", default=False, action='store_true',
  53                help="cross naming context boundaries"),
  54         Option("-v", "--verbose", dest="verbose", action="store_true", default=False,
  55             help="Print more details of checking"),
  56         Option("--quiet", dest="quiet", action="store_true", default=False,
  57             help="don't print details of checking"),
  58         Option("--attrs", dest="attrs", default=None, help="list of attributes to check (space separated)"),
  59         Option("-H", help="LDB URL for database or target server (defaults to local SAM database)", type=str),
  60         ]
  61
  62     def run(self, DN=None, H=None, verbose=False, fix=False, yes=False, cross_ncs=False, quiet=False,
  63             scope="SUB", credopts=None, sambaopts=None, versionopts=None, attrs=None):
  64
  65         lp = sambaopts.get_loadparm()
  66         creds = credopts.get_credentials(lp, fallback_machine=True)
  67
  68         samdb = SamDB(session_info=system_session(), url=H,
  69                       credentials=creds, lp=lp)
  70         if H is None:
  71             samdb_schema = samdb
  72         else:
  73             samdb_schema = SamDB(session_info=system_session(), url=None,
  74                                  credentials=creds, lp=lp)
  75
  76         scope_map = { "SUB": ldb.SCOPE_SUBTREE, "BASE":ldb.SCOPE_BASE, "ONE":ldb.SCOPE_ONELEVEL }
  77         scope = scope.upper()
  78         if not scope in scope_map:
  79             raise CommandError("Unknown scope %s" % scope)
  80         search_scope = scope_map[scope]
  81
  82         controls = []
  83         if H is not None:
  84             controls.append('paged_results:1:1000')
  85         if cross_ncs:
  86             controls.append("search_options:1:2")
  87
  88         if not attrs:
  89             attrs = ['*']
  90         else:
  91             attrs = attrs.split()
  92
  93         if yes and fix:
  94             samdb.transaction_start()
  95
  96         chk = dbcheck(samdb, samdb_schema=samdb_schema, verbose=verbose, fix=fix, yes=yes, quiet=quiet)
  97         error_count = chk.check_database(DN=DN, scope=search_scope, controls=controls, attrs=attrs)
  98
  99         if yes and fix:
 100             samdb.transaction_commit()
 101
 102         if error_count != 0:
 103             sys.exit(1)
 104