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# Samba4 AD database checker
#
# Copyright (C) Andrew Tridgell 2011
#
# 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, sys
import samba.getopt as options
from samba.auth import system_session
from samba.samdb import SamDB
from samba.netcmd import (
Command,
CommandError,
Option
)
from samba.dbchecker import dbcheck
class cmd_dbcheck(Command):
"""check local AD database for errors"""
synopsis = "%prog [<DN>] [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptionsDouble,
}
takes_args = ["DN?"]
takes_options = [
Option("--scope", dest="scope", default="SUB",
help="Pass search scope that builds DN list. Options: SUB, ONE, BASE"),
Option("--fix", dest="fix", default=False, action='store_true',
help='Fix any errors found'),
Option("--yes", dest="yes", default=False, action='store_true',
help="don't confirm changes, just do them all as a single transaction"),
Option("--cross-ncs", dest="cross_ncs", default=False, action='store_true',
help="cross naming context boundaries"),
Option("-v", "--verbose", dest="verbose", action="store_true", default=False,
help="Print more details of checking"),
Option("--quiet", dest="quiet", action="store_true", default=False,
help="don't print details of checking"),
Option("--attrs", dest="attrs", default=None, help="list of attributes to check (space separated)"),
Option("--reindex", dest="reindex", default=False, action="store_true", help="force database re-index"),
Option("-H", "--URL", help="LDB URL for database or target server (defaults to local SAM database)",
type=str, metavar="URL", dest="H"),
]
def run(self, DN=None, H=None, verbose=False, fix=False, yes=False,
cross_ncs=False, quiet=False,
scope="SUB", credopts=None, sambaopts=None, versionopts=None,
attrs=None, reindex=False):
lp = sambaopts.get_loadparm()
over_ldap = H is not None and H.startswith('ldap')
if over_ldap:
creds = credopts.get_credentials(lp, fallback_machine=True)
else:
creds = None
samdb = SamDB(session_info=system_session(), url=H,
credentials=creds, lp=lp)
if H is None or not over_ldap:
samdb_schema = samdb
else:
samdb_schema = SamDB(session_info=system_session(), url=None,
credentials=creds, lp=lp)
scope_map = { "SUB": ldb.SCOPE_SUBTREE, "BASE": ldb.SCOPE_BASE, "ONE":ldb.SCOPE_ONELEVEL }
scope = scope.upper()
if not scope in scope_map:
raise CommandError("Unknown scope %s" % scope)
search_scope = scope_map[scope]
controls = ['show_deleted:1']
if over_ldap:
controls.append('paged_results:1:1000')
if cross_ncs:
controls.append("search_options:1:2")
if not attrs:
attrs = ['*']
else:
attrs = attrs.split()
started_transaction = False
if yes and fix:
samdb.transaction_start()
started_transaction = True
try:
chk = dbcheck(samdb, samdb_schema=samdb_schema, verbose=verbose,
fix=fix, yes=yes, quiet=quiet, in_transaction=started_transaction)
if reindex:
self.outf.write("Re-indexing...\n")
error_count = 0
if chk.reindex_database():
self.outf.write("completed re-index OK\n")
else:
error_count = chk.check_database(DN=DN, scope=search_scope,
controls=controls, attrs=attrs)
except:
if started_transaction:
samdb.transaction_cancel()
raise
if started_transaction:
samdb.transaction_commit()
if error_count != 0:
sys.exit(1)
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