source: branches/samba-3.5.x/source4/auth/ntlm/auth_developer.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 6.6 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Generic authentication types
4 Copyright (C) Andrew Bartlett 2001-2002
5 Copyright (C) Jelmer Vernooij 2002
6 Copyright (C) Stefan Metzmacher 2005
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 "auth/auth.h"
24#include "auth/ntlm/auth_proto.h"
25#include "libcli/security/security.h"
26#include "librpc/gen_ndr/ndr_samr.h"
27
28static NTSTATUS name_to_ntstatus_want_check(struct auth_method_context *ctx,
29 TALLOC_CTX *mem_ctx,
30 const struct auth_usersupplied_info *user_info)
31{
32 return NT_STATUS_OK;
33}
34
35/**
36 * Return an error based on username
37 *
38 * This function allows the testing of obsure errors, as well as the generation
39 * of NT_STATUS -> DOS error mapping tables.
40 *
41 * This module is of no value to end-users.
42 *
43 * The password is ignored.
44 *
45 * @return An NTSTATUS value based on the username
46 **/
47
48static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx,
49 TALLOC_CTX *mem_ctx,
50 const struct auth_usersupplied_info *user_info,
51 struct auth_serversupplied_info **_server_info)
52{
53 NTSTATUS nt_status;
54 struct auth_serversupplied_info *server_info;
55 uint32_t error_num;
56 const char *user;
57
58 user = user_info->client.account_name;
59
60 if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
61 nt_status = nt_status_string_to_code(user);
62 } else {
63 error_num = strtoul(user, NULL, 16);
64 DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num));
65 nt_status = NT_STATUS(error_num);
66 }
67 NT_STATUS_NOT_OK_RETURN(nt_status);
68
69 server_info = talloc(mem_ctx, struct auth_serversupplied_info);
70 NT_STATUS_HAVE_NO_MEMORY(server_info);
71
72 server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
73 NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
74
75 /* is this correct? */
76 server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
77 NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
78
79 server_info->n_domain_groups = 0;
80 server_info->domain_groups = NULL;
81
82 /* annoying, but the Anonymous really does have a session key,
83 and it is all zeros! */
84 server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
85 NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
86
87 server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
88 NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
89
90 data_blob_clear(&server_info->user_session_key);
91 data_blob_clear(&server_info->lm_session_key);
92
93 server_info->account_name = talloc_asprintf(server_info, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
94 NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
95
96 server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
97 NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
98
99 server_info->full_name = talloc_asprintf(server_info, "NAME TO NTSTATUS %s Anonymous Logon", user);
100 NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
101
102 server_info->logon_script = talloc_strdup(server_info, "");
103 NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
104
105 server_info->profile_path = talloc_strdup(server_info, "");
106 NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
107
108 server_info->home_directory = talloc_strdup(server_info, "");
109 NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
110
111 server_info->home_drive = talloc_strdup(server_info, "");
112 NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
113
114 server_info->last_logon = 0;
115 server_info->last_logoff = 0;
116 server_info->acct_expiry = 0;
117 server_info->last_password_change = 0;
118 server_info->allow_password_change = 0;
119 server_info->force_password_change = 0;
120
121 server_info->logon_count = 0;
122 server_info->bad_password_count = 0;
123
124 server_info->acct_flags = ACB_NORMAL;
125
126 server_info->authenticated = false;
127
128 *_server_info = server_info;
129
130 return nt_status;
131}
132
133static const struct auth_operations name_to_ntstatus_auth_ops = {
134 .name = "name_to_ntstatus",
135 .get_challenge = auth_get_challenge_not_implemented,
136 .want_check = name_to_ntstatus_want_check,
137 .check_password = name_to_ntstatus_check_password
138};
139
140/**
141 * Return a 'fixed' challenge instead of a variable one.
142 *
143 * The idea of this function is to make packet snifs consistant
144 * with a fixed challenge, so as to aid debugging.
145 *
146 * This module is of no value to end-users.
147 *
148 * This module does not actually authenticate the user, but
149 * just pretenteds to need a specified challenge.
150 * This module removes *all* security from the challenge-response system
151 *
152 * @return NT_STATUS_UNSUCCESSFUL
153 **/
154static NTSTATUS fixed_challenge_get_challenge(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
155{
156 DATA_BLOB blob;
157 const char *challenge = "I am a teapot";
158
159 blob = data_blob_talloc(mem_ctx, challenge, 8);
160 NT_STATUS_HAVE_NO_MEMORY(blob.data);
161
162 *_blob = blob;
163 return NT_STATUS_OK;
164}
165
166static NTSTATUS fixed_challenge_want_check(struct auth_method_context *ctx,
167 TALLOC_CTX *mem_ctx,
168 const struct auth_usersupplied_info *user_info)
169{
170 /* don't handle any users */
171 return NT_STATUS_NOT_IMPLEMENTED;
172}
173
174static NTSTATUS fixed_challenge_check_password(struct auth_method_context *ctx,
175 TALLOC_CTX *mem_ctx,
176 const struct auth_usersupplied_info *user_info,
177 struct auth_serversupplied_info **_server_info)
178{
179 /* don't handle any users */
180 return NT_STATUS_NO_SUCH_USER;
181}
182
183static const struct auth_operations fixed_challenge_auth_ops = {
184 .name = "fixed_challenge",
185 .get_challenge = fixed_challenge_get_challenge,
186 .want_check = fixed_challenge_want_check,
187 .check_password = fixed_challenge_check_password
188};
189
190_PUBLIC_ NTSTATUS auth_developer_init(void)
191{
192 NTSTATUS ret;
193
194 ret = auth_register(&name_to_ntstatus_auth_ops);
195 if (!NT_STATUS_IS_OK(ret)) {
196 DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
197 return ret;
198 }
199
200 ret = auth_register(&fixed_challenge_auth_ops);
201 if (!NT_STATUS_IS_OK(ret)) {
202 DEBUG(0,("Failed to register 'fixed_challenge' auth backend!\n"));
203 return ret;
204 }
205
206 return ret;
207}
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