source/auth/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 #include "lib/events/events.h"
  27
  28 /*
  29  It's allowed to pass NULL as session_info,
  30  when the caller doesn't need a session_info
  31 */
  32 _PUBLIC_ NTSTATUS authenticate_username_pw(TALLOC_CTX *mem_ctx,
  33                                            struct event_context *ev,
  34                                            struct messaging_context *msg,
  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                                         &auth_context);
  53         if (!NT_STATUS_IS_OK(nt_status)) {
  54                 talloc_free(tmp_ctx);
  55                 return nt_status;
  56         }
  57
  58         user_info = talloc(tmp_ctx, struct auth_usersupplied_info);
  59         if (!user_info) {
  60                 talloc_free(tmp_ctx);
  61                 return NT_STATUS_NO_MEMORY;
  62         }
  63
  64         user_info->mapped_state = true;
  65         user_info->client.account_name = nt4_username;
  66         user_info->mapped.account_name = nt4_username;
  67         user_info->client.domain_name = nt4_domain;
  68         user_info->mapped.domain_name = nt4_domain;
  69
  70         user_info->workstation_name = NULL;
  71
  72         user_info->remote_host = NULL;
  73
  74         user_info->password_state = AUTH_PASSWORD_PLAIN;
  75         user_info->password.plaintext = talloc_strdup(user_info, password);
  76
  77         user_info->flags = USER_INFO_CASE_INSENSITIVE_USERNAME |
  78                 USER_INFO_DONT_CHECK_UNIX_ACCOUNT;
  79
  80         user_info->logon_parameters = 0;
  81
  82         nt_status = auth_check_password(auth_context, tmp_ctx, user_info, &server_info);
  83         if (!NT_STATUS_IS_OK(nt_status)) {
  84                 talloc_free(tmp_ctx);
  85                 return nt_status;
  86         }
  87
  88         if (session_info) {
  89                 nt_status = auth_generate_session_info(tmp_ctx, server_info, session_info);
  90
  91                 if (NT_STATUS_IS_OK(nt_status)) {
  92                         talloc_steal(mem_ctx, *session_info);
  93                 }
  94         }
  95
  96         talloc_free(tmp_ctx);
  97         return nt_status;
  98 }
  99