source4/auth/ntlm/auth_simple.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    auth functions
   5
   6    Copyright (C) Simo Sorce 2005
   7    Copyright (C) Andrew Tridgell 2005
   8    Copyright (C) Andrew Bartlett 2005
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "auth/auth.h"
  26
  27 /*
  28  It's allowed to pass NULL as session_info,
  29  when the caller doesn't need a session_info
  30 */
  31 _PUBLIC_ NTSTATUS authenticate_username_pw(TALLOC_CTX *mem_ctx,
  32                                            struct tevent_context *ev,
  33                                            struct messaging_context *msg,
  34                                            struct loadparm_context *lp_ctx,
  35                                            const char *nt4_domain,
  36                                            const char *nt4_username,
  37                                            const char *password,
  38                                            struct auth_session_info **session_info)
  39 {
  40         struct auth_context *auth_context;
  41         struct auth_usersupplied_info *user_info;
  42         struct auth_serversupplied_info *server_info;
  43         NTSTATUS nt_status;
  44         TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
  45
  46         if (!tmp_ctx) {
  47                 return NT_STATUS_NO_MEMORY;
  48         }
  49
  50         nt_status = auth_context_create(tmp_ctx,
  51                                         ev, msg,
  52                                         lp_ctx,
  53                                         &auth_context);
  54         if (!NT_STATUS_IS_OK(nt_status)) {
  55                 talloc_free(tmp_ctx);
  56                 return nt_status;
  57         }
  58
  59         user_info = talloc_zero(tmp_ctx, struct auth_usersupplied_info);
  60         if (!user_info) {
  61                 talloc_free(tmp_ctx);
  62                 return NT_STATUS_NO_MEMORY;
  63         }
  64
  65         user_info->mapped_state = true;
  66         user_info->client.account_name = nt4_username;
  67         user_info->mapped.account_name = nt4_username;
  68         user_info->client.domain_name = nt4_domain;
  69         user_info->mapped.domain_name = nt4_domain;
  70
  71         user_info->workstation_name = NULL;
  72
  73         user_info->remote_host = NULL;
  74
  75         user_info->password_state = AUTH_PASSWORD_PLAIN;
  76         user_info->password.plaintext = talloc_strdup(user_info, password);
  77
  78         user_info->flags = USER_INFO_CASE_INSENSITIVE_USERNAME |
  79                 USER_INFO_DONT_CHECK_UNIX_ACCOUNT;
  80
  81         user_info->logon_parameters = 0;
  82
  83         nt_status = auth_check_password(auth_context, tmp_ctx, user_info, &server_info);
  84         if (!NT_STATUS_IS_OK(nt_status)) {
  85                 talloc_free(tmp_ctx);
  86                 return nt_status;
  87         }
  88
  89         if (session_info) {
  90                 uint32_t flags = AUTH_SESSION_INFO_DEFAULT_GROUPS;
  91                 if (server_info->authenticated) {
  92                         flags |= AUTH_SESSION_INFO_AUTHENTICATED;
  93                 }
  94                 nt_status = auth_context->generate_session_info(tmp_ctx, auth_context,
  95                                                                 server_info,
  96                                                                 flags,
  97                                                                 session_info);
  98
  99                 if (NT_STATUS_IS_OK(nt_status)) {
 100                         talloc_steal(mem_ctx, *session_info);
 101                 }
 102         }
 103
 104         talloc_free(tmp_ctx);
 105         return nt_status;
 106 }
 107