source4/scripting/bin/sambaundoguididx

   1 #!/usr/bin/env python3
   2 import optparse
   3 import sys
   4
   5 # Find right directory when running from source tree
   6 sys.path.insert(0, "bin/python")
   7
   8
   9 import samba
  10 import ldb
  11 import urllib
  12 import os
  13 from samba import getopt as options
  14 from samba.samdb import SamDB
  15 from samba.dbchecker import dbcheck
  16 from samba.credentials import Credentials
  17 parser = optparse.OptionParser("sambaundoguididx")
  18 sambaopts = options.SambaOptions(parser)
  19 parser.add_option_group(options.VersionOptions(parser))
  20 parser.add_option("-H", "--URL", help="LDB URL for database",
  21                   type=str, metavar="URL", dest="H")
  22 opts, args = parser.parse_args()
  23
  24 if len(args) != 0:
  25     parser.print_usage()
  26     sys.exit(1)
  27
  28 lp_ctx = sambaopts.get_loadparm()
  29 lp_ctx.set("dsdb:guid index", "false")
  30
  31 if opts.H is None:
  32     url = lp_ctx.samdb_url()
  33 else:
  34     url = opts.H
  35
  36 samdb = ldb.Ldb(url=url, options=["modules:"])
  37
  38 partitions = samdb.search(base="@PARTITION",
  39                           scope=ldb.SCOPE_BASE,
  40                           attrs=["partition"])
  41
  42 modmsg = ldb.Message()
  43 modmsg.dn = ldb.Dn(samdb, '@INDEXLIST')
  44 modmsg.add(ldb.MessageElement(
  45     elements=[],
  46     flags=ldb.FLAG_MOD_REPLACE,
  47     name='@IDXGUID'))
  48 modmsg.add(ldb.MessageElement(
  49     elements=[],
  50     flags=ldb.FLAG_MOD_REPLACE,
  51     name='@IDX_DN_GUID'))
  52
  53 samdb.transaction_start()
  54 samdb.modify(modmsg)
  55
  56 privatedir = os.path.dirname(url)
  57
  58 dbs = []
  59 for part in partitions[0]['partition']:
  60     tdbname = part.split(":")[1]
  61     tdbpath = os.path.join(privatedir, tdbname)
  62
  63     db = ldb.Ldb(url=tdbpath, options=["modules:"])
  64     db.transaction_start()
  65     db.modify(modmsg)
  66     dbs.append(db)
  67
  68 for db in dbs:
  69     db.transaction_commit()
  70
  71 samdb.transaction_commit()
  72
  73 print("Re-opening with the full DB stack")
  74 samdb = SamDB(url=url,
  75                           lp=lp_ctx)
  76 print "Re-triggering another re-index"
  77 chk = dbcheck(samdb)
  78
  79 chk.reindex_database()
  80
  81 print "Your database has been downgraded to DN-based index values."
  82
  83 print "NOTE: Any use of a Samba 4.8 tool including ldbsearch will auto-upgrade back to GUID index mode"