source4/scripting/python/samba/getopt.py

   1 #!/usr/bin/python
   2
   3 # Samba-specific bits for optparse
   4 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 """Support for parsing Samba-related command-line options."""
  21
  22 import optparse
  23 from credentials import Credentials, DONT_USE_KERBEROS, MUST_USE_KERBEROS
  24 from hostconfig import Hostconfig
  25
  26 __docformat__ = "restructuredText"
  27
  28 class SambaOptions(optparse.OptionGroup):
  29     """General Samba-related command line options."""
  30     def __init__(self, parser):
  31         optparse.OptionGroup.__init__(self, parser, "Samba Common Options")
  32         self.add_option("-s", "--configfile", action="callback",
  33                         type=str, metavar="FILE", help="Configuration file",
  34                         callback=self._load_configfile)
  35         self._configfile = None
  36
  37     def get_loadparm_path(self):
  38         """Return the path to the smb.conf file specified on the command line.  """
  39         return self._configfile
  40
  41     def _load_configfile(self, option, opt_str, arg, parser):
  42         self._configfile = arg
  43
  44     def get_loadparm(self):
  45         """Return a loadparm object with data specified on the command line.  """
  46         import os, param
  47         lp = param.LoadParm()
  48         if self._configfile is not None:
  49             lp.load(self._configfile)
  50         elif os.getenv("SMB_CONF_PATH") is not None:
  51             lp.load(os.getenv("SMB_CONF_PATH"))
  52         else:
  53             lp.load_default()
  54         return lp
  55
  56     def get_hostconfig(self):
  57         return Hostconfig(self.get_loadparm())
  58
  59
  60 class VersionOptions(optparse.OptionGroup):
  61     """Command line option for printing Samba version."""
  62     def __init__(self, parser):
  63         optparse.OptionGroup.__init__(self, parser, "Version Options")
  64
  65
  66 class CredentialsOptions(optparse.OptionGroup):
  67     """Command line options for specifying credentials."""
  68     def __init__(self, parser):
  69         self.no_pass = False
  70         optparse.OptionGroup.__init__(self, parser, "Credentials Options")
  71         self.add_option("--simple-bind-dn", metavar="DN", action="callback",
  72                         callback=self._set_simple_bind_dn, type=str,
  73                         help="DN to use for a simple bind")
  74         self.add_option("--password", metavar="PASSWORD", action="callback",
  75                         help="Password", type=str, callback=self._set_password)
  76         self.add_option("-U", "--username", metavar="USERNAME",
  77                         action="callback", type=str,
  78                         help="Username", callback=self._parse_username)
  79         self.add_option("-W", "--workgroup", metavar="WORKGROUP",
  80                         action="callback", type=str,
  81                         help="Workgroup", callback=self._parse_workgroup)
  82         self.add_option("-N", "--no-pass", action="store_true",
  83                         help="Don't ask for a password")
  84         self.add_option("-k", "--kerberos", metavar="KERBEROS",
  85                         action="callback", type=str,
  86                         help="Use Kerberos", callback=self._set_kerberos)
  87         self.creds = Credentials()
  88
  89     def _parse_username(self, option, opt_str, arg, parser):
  90         self.creds.parse_string(arg)
  91
  92     def _parse_workgroup(self, option, opt_str, arg, parser):
  93         self.creds.set_domain(arg)
  94
  95     def _set_password(self, option, opt_str, arg, parser):
  96         self.creds.set_password(arg)
  97
  98     def _set_kerberos(self, option, opt_str, arg, parser):
  99         if bool(arg) or arg.lower() == "yes":
 100             self.creds.set_kerberos_state(MUST_USE_KERBEROS)
 101         else:
 102             self.creds.set_kerberos_state(DONT_USE_KERBEROS)
 103
 104     def _set_simple_bind_dn(self, option, opt_str, arg, parser):
 105         self.creds.set_bind_dn(arg)
 106
 107     def get_credentials(self, lp):
 108         """Obtain the credentials set on the command-line.
 109
 110         :param lp: Loadparm object to use.
 111         :return: Credentials object
 112         """
 113         self.creds.guess(lp)
 114         if not self.no_pass:
 115             self.creds.set_cmdline_callbacks()
 116         return self.creds