libcli/security/session.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    session_info utility functions
   5
   6    Copyright (C) Andrew Bartlett 2008-2010
   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 #include "includes.h"
  23 #include "libcli/security/security.h"
  24 #include "librpc/gen_ndr/auth.h"
  25
  26 enum security_user_level security_session_user_level(struct auth_session_info *session_info,
  27                                                      const struct dom_sid *domain_sid)
  28 {
  29         bool authenticated = false;
  30         bool guest = false;
  31
  32         if (!session_info) {
  33                 return SECURITY_ANONYMOUS;
  34         }
  35
  36         if (security_token_is_system(session_info->security_token)) {
  37                 return SECURITY_SYSTEM;
  38         }
  39
  40         if (security_token_is_anonymous(session_info->security_token)) {
  41                 return SECURITY_ANONYMOUS;
  42         }
  43
  44         authenticated = security_token_has_nt_authenticated_users(session_info->security_token);
  45         guest = security_token_has_builtin_guests(session_info->security_token);
  46         if (!authenticated) {
  47                 if (guest) {
  48                         return SECURITY_GUEST;
  49                 }
  50                 return SECURITY_ANONYMOUS;
  51         }
  52
  53         if (security_token_has_builtin_administrators(session_info->security_token)) {
  54                 return SECURITY_ADMINISTRATOR;
  55         }
  56
  57         if (domain_sid) {
  58                 struct dom_sid *rodc_dcs;
  59                 rodc_dcs = dom_sid_add_rid(session_info, domain_sid, DOMAIN_RID_READONLY_DCS);
  60                 if (security_token_has_sid(session_info->security_token, rodc_dcs)) {
  61                         talloc_free(rodc_dcs);
  62                         return SECURITY_RO_DOMAIN_CONTROLLER;
  63                 }
  64                 talloc_free(rodc_dcs);
  65         }
  66
  67         if (security_token_has_enterprise_dcs(session_info->security_token)) {
  68                 return SECURITY_DOMAIN_CONTROLLER;
  69         }
  70
  71         return SECURITY_USER;
  72 }