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

   1 #!/usr/bin/env python
   2 #
   3 # Manipulate file NT ACLs
   4 #
   5 # Copyright Matthieu Patou 2010 <mat@matws.net>
   6 # Copyright Giampaolo Lauria 2011 <lauria2@yahoo.com>
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 from samba.credentials import DONT_USE_KERBEROS
  23 import samba.getopt as options
  24 from samba.dcerpc import security
  25 from samba.ntacls import setntacl, getntacl
  26 from samba import Ldb
  27 from samba.ndr import ndr_unpack
  28
  29 from ldb import SCOPE_BASE
  30 import os
  31
  32 from samba.auth import system_session
  33 from samba.netcmd import (
  34     Command,
  35     CommandError,
  36     SuperCommand,
  37     Option,
  38     )
  39
  40
  41
  42 class cmd_ntacl_set(Command):
  43     """Set ACLs on a file"""
  44
  45     synopsis = "%prog <acl> <file> [options]"
  46
  47     takes_options = [
  48         Option("--quiet", help="Be quiet", action="store_true"),
  49         Option("--xattr-backend", type="choice", help="xattr backend type (native fs or tdb)",
  50                choices=["native","tdb"]),
  51         Option("--eadb-file", help="Name of the tdb file where attributes are stored", type="string"),
  52         ]
  53
  54     takes_args = ["acl","file"]
  55
  56     def run(self, acl, file, quiet=False,xattr_backend=None,eadb_file=None,
  57             credopts=None, sambaopts=None, versionopts=None):
  58         lp = sambaopts.get_loadparm()
  59         path = os.path.join(lp.get("private dir"), lp.get("secrets database") or "secrets.ldb")
  60         creds = credopts.get_credentials(lp)
  61         creds.set_kerberos_state(DONT_USE_KERBEROS)
  62         try:
  63             ldb = Ldb(path, session_info=system_session(), credentials=creds,
  64                       lp=lp)
  65         except Exception, e:
  66             raise CommandError("Unable to read domain SID from configuration files", e)
  67         attrs = ["objectSid"]
  68         res = ldb.search(expression="(objectClass=*)",
  69             base="flatname=%s,cn=Primary Domains" % lp.get("workgroup"),
  70             scope=SCOPE_BASE, attrs=attrs)
  71         if len(res) !=0:
  72             domainsid = ndr_unpack(security.dom_sid, res[0]["objectSid"][0])
  73             setntacl(lp, file, acl, str(domainsid), xattr_backend, eadb_file)
  74         else:
  75             raise CommandError("Unable to read domain SID from configuration files")
  76
  77
  78
  79 class cmd_ntacl_get(Command):
  80     """Set ACLs on a file"""
  81     synopsis = "%prog <file> [options]"
  82
  83     takes_options = [
  84         Option("--as-sddl", help="Output ACL in the SDDL format", action="store_true"),
  85         Option("--xattr-backend", type="choice", help="xattr backend type (native fs or tdb)",
  86                choices=["native","tdb"]),
  87         Option("--eadb-file", help="Name of the tdb file where attributes are stored", type="string"),
  88         ]
  89
  90     takes_args = ["file"]
  91
  92     def run(self, file, as_sddl=False, xattr_backend=None, eadb_file=None,
  93             credopts=None, sambaopts=None, versionopts=None):
  94         lp = sambaopts.get_loadparm()
  95         acl = getntacl(lp, file, xattr_backend, eadb_file)
  96         if as_sddl:
  97             anysid = security.dom_sid(security.SID_NT_SELF)
  98             self.outf.write(acl.info.as_sddl(anysid)+"\n")
  99         else:
 100             acl.dump()
 101
 102
 103 class cmd_ntacl(SuperCommand):
 104     """NT ACLs manipulation"""
 105
 106     subcommands = {}
 107     subcommands["set"] = cmd_ntacl_set()
 108     subcommands["get"] = cmd_ntacl_get()
 109