9c8f7f64acf3e6fa97519d7476889f193d172b86
[samba.git] / 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(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