source3/lib/util_names.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Jeremy Allison 2001-2007
   6    Copyright (C) Simo Sorce 2001
   7    Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
   8    Copyright (C) James Peach 2006
   9    Copyright (C) Andrew Bartlett 2010-2011
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25 #include "includes.h"
  26
  27 /******************************************************************
  28  get the default domain/netbios name to be used when dealing
  29  with our passdb list of accounts
  30 ******************************************************************/
  31
  32 const char *get_global_sam_name(void)
  33 {
  34         if (IS_DC) {
  35                 return lp_workgroup();
  36         }
  37         return lp_netbios_name();
  38 }
  39
  40
  41 /******************************************************************
  42  Get the default domain/netbios name to be used when
  43  testing authentication.
  44 ******************************************************************/
  45
  46 const char *my_sam_name(void)
  47 {
  48         if (lp_server_role() == ROLE_STANDALONE) {
  49                 return lp_netbios_name();
  50         }
  51
  52         return lp_workgroup();
  53 }
  54
  55 bool is_allowed_domain(const char *domain_name)
  56 {
  57         const char **ignored_domains = NULL;
  58         const char **dom = NULL;
  59
  60         ignored_domains = lp_parm_string_list(-1,
  61                                               "winbind",
  62                                               "ignore domains",
  63                                               NULL);
  64
  65         for (dom = ignored_domains; dom != NULL && *dom != NULL; dom++) {
  66                 if (gen_fnmatch(*dom, domain_name) == 0) {
  67                         DBG_NOTICE("Ignoring domain '%s'\n", domain_name);
  68                         return false;
  69                 }
  70         }
  71
  72         if (lp_allow_trusted_domains()) {
  73                 return true;
  74         }
  75
  76         if (strequal(lp_workgroup(), domain_name)) {
  77                 return true;
  78         }
  79
  80         if (is_myname(domain_name)) {
  81                 return true;
  82         }
  83
  84         DBG_NOTICE("Not trusted domain '%s'\n", domain_name);
  85         return false;
  86 }